QB/T 1550-1992 Specifications for pin-type lamp holders QB/T1550-1992 Standard download decompression password: www.bzxz.net

Industry Standard of the People's Republic of China
Gauges for Pin-Type Lampholders
QB1550-92
This standard is consistent with the corresponding loose-leaf standard in 1FC Publication 61-3 (J) (1989) Lampholders and Lampholders and Gauges for Verifying Interchangeability Safety "Part 3 Gauges".
Subject Content and Scope of Application
This standard specifies the type, size, purpose and inspection method of gauges for pin-type lampholders other than fluorescent lampholders. This standard applies to the design and manufacture of pin-type lamp holder gauges, and also applies to the design and inspection of products by lamp holder manufacturers. 2 Reference standards
QB1549 Types and dimensions of pin-type lamp holders GB1957 Smooth limit gauges
3 Product classification
The gauges specified in this standard include G4, G5.3, G6.35, G9.5, GY16, G22 and G38 and their derivative series according to the specifications of the lamp holders to be inspected. Each specification of gauges is composed of 1 to 3 gauges for different purposes (see Chapter 5 for details). 4
General technical requirements
4.1 The basic dimensions of the gauges shown in the attached drawings of the standard are in mm. 4.2 The main technical conditions such as the material, working surface hardness and surface roughness of the gauges shall meet the corresponding requirements in GB1957. 4.3 The non-working surface of the gauge shall have the following clear and firm markings: a.
Gauge model (consistent with the lamp holder to be tested); A, B, and code specified in the gauge type size; this standard number QB1550;
Publication date and manufacturer's mark.
4.4 The chamfer size of the working surface of the gauge marked with "chamfer" is 0.2~0.3×45° or a fillet of 0.2~0.3; the chamfer size of the unmarked chamfer is 0.5×45°.
4.5 Gauges that have passed the manufacturer's inspection shall have a certificate of conformity. 4.6 Finished gauges shall be rust-proofed before packaging and shall be packaged with hard materials. 5 Types and dimensions of gauges for pin-type lampholders 5.1 General gauge for G4 lampholders
Approved by the Ministry of Light Industry of the People's Republic of China on July 6, 1992 394
Implemented on March 1, 1993
Dimension symbols
Surface Y
Surface 2
QB1550-92
Note: 1) Dimensions E and L specify the dimensions of the two ends of the gauge. Purpose Comprehensive inspection of G4 lampholders.
Dimension symbols
Surface X
Inspection Insert the two ends of the gauge into the lampholder in turn. The pins of the gauge should be able to reach the reference surface of the lampholder. At this time, there should be a clear gap between the gauge surfaces X, Y and Z and the corresponding surfaces of the lampholder. After this test, the corresponding gauge in 5.4 should be used to inspect the minimum clamping force of the contacts. 5.2 Go-through gauge for GZ4 lamp holder
Surface Y
Surface X
Dimension symbol
QB1550-92
Inspect the connector and installation of GZ4 lamp holder. Purpose
Dimension symbol
Inspection Insert the two ends of the gauge into the connector in turn. The surface X or surface Y of the gauge should contact the adjacent connector surface. Then use the corresponding gauge in Article 5.4 to inspect the minimum clamping force of the contact. 5.3 Go-through gauge for GZ6.35 lamp holder
Surface Y
Dimension symbol
Dimension symbol
Surface X
Dimension:
Purpose Inspect the installation of the contact connection part of the GZ6.35 lamp holder. Inspect Insert the two ends of the gauge into the connector hole of the lamp holder in turn. The surfaces X and Y of the gauge should be able to contact the adjacent surface of the connector.
After this test, the corresponding gauge in 5.4 shall also be used to check the holding force of the contacts. Gauge for checking the minimum holding force of G4, GZ4 and GZ6.35 lampholders 5.4
Dimension symbol
Note: 1) This dimension is the gauge dimension of G4 lampholder. QB1550—92
Purpose To check the minimum holding force of G4, GZ4 and GZ6.35 lampholder contacts. Bias
Test Place the lampholder downward and insert the gauges into the contacts one by one. When the gauge is inserted to the bottom and released, the gauge should not fall out of the contact hole under its own weight.
Before this test, G4, GZ4 and GZ6.35 lampholders shall be tested respectively with the through gauges specified in 5.1, 5.2 and 5.3. 5.5 Go gauge for G5.3 lampholders
Surface X
Dimension symbol
Dimension symbol
Whip surface X
Purpose To check the fit of the lampholder with the lampholder when the length and diameter of the lampholder pins are at their maximum values ​​and the center distance is at its minimum and maximum values ​​respectively. At the same time, the minimum positioning area (AXB) and the maximum depth of the recess (C) are also checked. Each end of the gauge shall be inserted into the lampholder in turn and the surface X shall be in contact with the lampholder positioning surface. In any case, the other surface X shall be coplanar or convex with the edge of the recess of the lampholder body under test. 5.6 Go gauge for CX5.3 and GY5.3 lampholders
Dimension symbol
Dimension symbol
Note: ① The deviation of the gauge only takes into account the extreme diameter and displacement of the paired pins. ②The installation of the lamp holder in the connector and contact is auxiliary. The size of the lamp holder gauge is not completely consistent with the lamp holder gauge. Purpose To inspect the installation of the lamp holder in the GX5.3 and GY5.3 lamp holders. GY5.3
Inspection For the lamp holders of the types shown in Figures 4 and 6 of QB1549, insert the two ends of the gauge into them in turn, and the surface Y of the gauge should contact the surface of the connector.
For the lamp holders of the types shown in Figures 5 and 7 of QB1549, slowly insert the two ends of the gauge into them in turn, and the surface Z of the gauge should contact the surface Z of the lamp holder.
5.7 Test gauge for maximum extraction force of contacts of GX5.3 and GY5.3 lampholders 398
Dimension symbol
GX5.3GY5.3
QB1550—92
Dimension symbol
Purpose Test the extraction force of lamp holders with maximum and minimum pin center distances in lampholders. Test so that the pins of the gauge are perpendicular to the reference plane of the lampholder. Ruler
For the connectors of lampholders of the types shown in Figures 4 and 6 of QB1549, insert the gauge into the connector hole. The force required to extract the gauge should not be greater than 8.9N specified in QB1549 for GX5.3 and GY5.3 lampholders. For the contact device of the lamp holder of Figure 5 and Figure 7 in QB1549, place the pin of the gauge on the groove of the lamp holder in the specified direction, and then push the gauge into the groove from the side so that it contacts the support surface. The force required to pull out the gauge should not be greater than 8.9N specified in QB1549 for GX5.3 and GY5.3 lamp holders.
5.8 GX5.3 and GY5.3 lamp holder contact minimum clamping force test gauge GX5.3
Dimension symbol
QB155092
Test the minimum clamping force of the individual contacts of the lamp holder on the lamp cap pin of the smallest diameter.
Test the gauge completely inserted into each contact, and the force to pull out the gauge should not be less than 3.3N specified in QB1549 for GX5.3 and GY5.3 lamp holders.
5.9G9.5 Through gauge for lamp holder
Dimension symbol
Surface X
Dimension symbolwwW.bzxz.Net
Purpose To inspect the depth of dimension "C" at the lamp holder recess, and the installation of lamp caps with minimum and maximum pin center distances, maximum pin lengths and pin diameters in the lamp holder. Inspection Insert the two ends of the gauge into the lamp holder in turn, so that the gauge surface X contacts the lamp holder surface X. At this time, the other surface X of the gauge away from the contact surface should be coplanar or convex with the top edge of the lamp holder. 5.10 G9.5 lamp holder contact minimum clamping force inspection gauge 400
Dimension symbol
QB1550—92
Purpose Inspection G9.5 lamp holder contact minimum clamping force Dimension symbol
Inspection First use the G9.5 lamp holder through gauge in Article 5.9 to inspect and pass, then use this gauge to insert each contact of the lamp holder in turn, so that the gauge surface X contacts the lamp holder reference surface. Make the lamp holder recess mouth vertically downward, and the gauge should not fall off under its own weight. 5.11 GX9.5 lamp holder through gauge \A” and \B” 1:1
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Note: 1) This value is gauge A.
2) This value is gauge B.
QB1550—92
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Purpose To check the installation of the lamp cap with the largest size in the lamp holder. Ruler
About 45°
Gauges "A" and "B" should be able to be smoothly inserted into the lamp holder in sequence until the gauge surface X contacts the lamp holder surface. Inspection
5.12 Gauge 1 for checking the minimum clamping force of the GX9.5 lamp holder contacts:1
Dimension symbol
Verify the minimum clamping force on the lamp holder contacts. Dimension symbol
Verify that the gauge is inserted into each contact of the lamp holder. When the gauge is in the vertical downward position, it should not fall off under its own weight. 5.13 Gauge for checking the matching state of the lamp holder in the GX9.5 lamp holder 402
Dimension symbol
QB155092
Dimension symbol
Verify the matching state of the lamp holder with the smallest size in the lamp holder. After the gauge is fully inserted into the lamp holder, the gauge surface X should be pressed onto the concave surface of the lamp holder by the elastic part of the lamp holder. Inspection
5.14 Inspection of the gauges of GY9.5 and GZ9.5 lamp holders mm
Dimension symbol
QB1550—92
Dimension symbol
Note: ① The gauges of GY9.5 and GZ9.5 lamp holders differ only in dimensions B and J, and the other dimensions are the same. 1) This dimension is used for the gauge of GY9.5 lamp holders. 2) This dimension is used for the sister gauge of G29.5 lamp holders. The following aspects of the inspection of GY9.5 and GZ9.5 lamp holders: size
Inspect the lamp holder with the longest pin length and the largest pin diameter when it is inserted into the lamp holder with the minimum and maximum pin center distances; inspect the minimum size of the smooth surface of the base: ...Inspect the minimum horizontal spacing above the lamp holder reference plane; 0
QB1550-92
Inspect the distance from the reference plane to any edge of the side cover or similar protrusions (that is, the lamp holder size (); inspect the effectiveness of the lamp fixture system. Inspection Insert each end of the base gauge into the lamp holder in turn, and its surface X and Y should be respectively aligned with the reference plane of the lamp holder. The surfaces are in contact, and surface Y should not extend beyond the reference surface.
When surface X or Y of the gauge contacts the reference surface of the lamp holder, the fixed clamping device of the lamp holder should be able to effectively clamp the protruding part near the pin of the gauge.
5.15 Through gauge for G22 lamp holder
Dimension symbol
Surface X
Surface X
To check the mechanical fit of the G22 lamp holder with the largest lamp cap or lamp end within the allowable size range. Purpose
Insert the two ends of the gauge into the lamp holder in turn, and the corresponding surface X of the gauge should contact the reference surface of the lamp holder. If the lamp holder has a clamping 405
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