CN203203883U - Plug inserted pin displacement detection testing machine - Google Patents
Plug inserted pin displacement detection testing machine Download PDFInfo
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- CN203203883U CN203203883U CN 201320205157 CN201320205157U CN203203883U CN 203203883 U CN203203883 U CN 203203883U CN 201320205157 CN201320205157 CN 201320205157 CN 201320205157 U CN201320205157 U CN 201320205157U CN 203203883 U CN203203883 U CN 203203883U
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- main shaft
- testing machine
- displacement detecting
- plug
- turns
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Abstract
The utility model relates to the technical field of displacement detection of inserted pins of plugs and sockets, and particularly relates to a plug inserted pin displacement detection testing machine. The plug inserted pin displacement detection testing machine comprises a base, a support frame arranged on the base, a tensile force loading device and an installation block arranged on the support frame, wherein a through hole is formed in the installation block, a turning main shaft is arranged in the through hole in a penetration manner, a jack for containing the inserted pin is formed in the clamping end of the turning main shaft, a locking bolt is arranged on the installation block, the inner end of the locking bolt is pushed against the inner wall of the turning main shaft, the tensile force loading device comprises a connecting piece, a buffer spring and a loading mechanism, and the two ends of the buffer spring are respectively connected with the connecting piece and the loading mechanism. When a force application direction needs to be changed and detected, the turning main shaft is rotated by an appropriate angle. The plug inserted pin displacement detection testing machine is convenient to operate, simple and fast. When other inserted pins need to be detected, the previous inserted pin is taken out from the jack, and the inserted pin to be detected is inserted into the jack, thus an operation working procedure of the plug inserted pin displacement detection is greatly simplified, and the detection efficiency is greatly improved.
Description
Technical field
The utility model relates to the latch displacement detecting technical field of plugs and sockets, refers in particular to a kind of plug latch displacement detecting testing machine.
Background technology
In Australia and New Zealand, removable electrical equipment with plug and socket when the rated current of family expenses and similar applications is no more than the extra low voltage of 32A or low-voltage, plug and socket must reach the most basic safety requirements, and its examination criteria is whether the approval of plug and socket and test specification are met the testing requirement among the clause 2.13.9.1 among the AS/NZS 3112:2011.
Provide as follows among the clause 2.13.9.1 among the AS/NZS 3112:2011:
2.13.9 the fastness of inserted sheet
2.13.9.1 the movement of inserted sheet
By the movement of rigidity grip block clamping inserted sheet test inserted sheet, grip block is positioned at apart from plug face 5 ± 0.5mm place, and the power that applies 18 ± 1N is in inserted sheet.The design of grip block should be, and the inserted sheet of not testing during test can not touch grip block.
Except the non-rewirable plug, plug need not connect electric wire during test, and the terminal screw unclamps to allowing the 1mm2 conductor to connect.
The pre-service 1 hour under 40 ± 1 ℃ of temperature of plug and testing apparatus does not apply test force, in the whole test, all parts of plug and testing apparatus all are in this temperature, for all plugs, the point of application is that the direction of power should be along inserted sheet apart from plug face 14 ± 0.5mm place:
(a) along perpendicular to the line on inserted sheet plane and two directions by the inserted sheet center.
(b) reach regulation in (a) along a line with right corner.
10 seconds time, with (a) and (b) described mode power is applied to each inserted sheet gradually, and kept its maximum, force 10 seconds, then unclamp.When applying power, along the deviation of measuring inserted sheet with respect to the line of force of rigidity grip block. maximum deviation should be no more than 2.0mm.
All inserted sheets of test plug were successively tested rear 5 minutes finishing last inserted sheet, and its any distortion should not prevent that plug from inserting in the suitable standard tool (not applying undue power).
The bending of plug latch test mainly is to check whether the plug plug blades causes bending being subject to external force (falling improper use etc. such as accident), by after the external force alignment, cause harmful effect to plug blades.If toughness and the ductility of plug blades metal are inadequate, in use, easily after bending, alignment, cause plug blades to produce fatigue crack or inner structure fracture.Particularly, because covering of the insulation course of the outer parcel of latch fails in time to find, will in use cause temperature rise too high because the contact resistance of breakaway poing is excessive, and then cause the danger of fire, or remain in the socket because of after the plug blades fracture, cause live part to expose and produce the danger of electric shock.
Yet, on the market not without any the special inspecting equipment that meets this standard-required fully, thereby cause this test item of plug and socket to be difficult to the enforcement of simple and fast, not only reduced detection efficiency, testing result also is difficult to reach the requirement of test.
Summary of the invention
The technical problems to be solved in the utility model provide a kind of application of force accurately and reliably, flexible, simple to operate, the testing result of clamping plug latch displacement detecting testing machine accurately.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of plug latch displacement detecting testing machine, comprise base and be arranged at the bracing frame of base, also comprise the pulling force charger and be installed in the mounting blocks of bracing frame, mounting blocks offers through hole, be equipped with in this through hole and turn to main shaft, this turns to the bare terminal end of main shaft to offer jack for accommodating latch, described mounting blocks is equiped with clamping screw, the inner of this clamping screw and the outer wall butt that turns to main shaft, described pulling force charger comprises web member, buffer spring and load maintainer, the two ends of buffer spring are connected with load maintainer with web member respectively.
Preferably, the described bare terminal end of main shaft that turns to is equiped with the locking jackscrew, and the inner of this locking jackscrew extends in the jack.
Another is preferred, and the described bare terminal end of main shaft that turns to is equiped with the goat's horn screw, and the inner of this goat's horn screw extends in the jack.
Wherein, the described end that turns to of main shaft that turns to is equiped with the angular adjustment handwheel.
Wherein, the outer wall of described mounting blocks is equiped with index dial, and the described main shaft that turns to is equiped with pointer, and when turning to main shaft to rotate, pointer moves about at index dial.
Wherein, described load maintainer is counterweight, and this counterweight is connected with the lower end of buffer spring.
Preferably, described base is provided with cylinder, and the piston rod of this cylinder is fixed with pallet, this pallet be positioned at described counterweight under.
Another is preferred, the motor that the gear that described base is provided with the tooth bar that can slide up and down, be connected with a joggle with tooth bar and driven wheel rotate.
Wherein, the lower end of described web member is connected with the upper end of buffer spring, and collude for abutment ring or connection the web member upper end.
Further, plug latch displacement detecting testing machine also comprises constant temperature oven, and described base, bracing frame, pulling force charger and mounting blocks are positioned at constant temperature oven.
The beneficial effects of the utility model are: the utility model provides a kind of plug latch displacement detecting testing machine, in the testing process of triangle plug, first one of them latch is inserted in the jack, utilize width to make distance between the surface of the end face of bare terminal end and plug in the scope of 5 ± 0.5mm for the error detecting code of 5mm, adjustment turns to the steering angle of main shaft, so that the detection application of force direction of another latch straight down; Web member with the pulling force charger is connected with corresponding latch again, utilize width to make distance between the surface of the point of application and plug in the scope of 14 ± 0.5mm for the error detecting code of 14mm, load maintainer produces downward pulling force to web member subsequently, thereby can detect test according to the testing requirement among the clause 2.13.9.1 among the AS/NZS 3112:2011, when the needs change detects application of force direction, get final product turning to main shaft to rotate suitable angle, easy to operate, simple and fast; In the time need to detecting other latch, before latch is taken out from jack, latch to be detected is inserted in the jack get final product, greatly simplified the operational sequence of plug latch displacement detecting, detection efficiency improves greatly.Arranging of buffer spring effectively slowed down the moment overload pulling force of load maintainer to latch, and guaranteeing to detect test can carry out smoothly.In the testing process, the effect of clamping screw is preventing turning to main shaft loosening in through hole, and steadiness is high, and testing result is accurate.
Description of drawings
Fig. 1 is the utility model perspective view.
Perspective view when Fig. 2 is the hiding constant temperature oven of the utility model.
Spatial structure decomposing schematic representation when Fig. 3 is the hiding constant temperature oven of the utility model.
Right TV structure schematic diagram when Fig. 4 is the hiding constant temperature oven of the utility model.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing the utility model is further described, the content that embodiment is mentioned not is to restriction of the present utility model.
As shown in Figures 1 to 4, a kind of plug latch displacement detecting testing machine, comprise base 1 and be arranged at the bracing frame 2 of base 1, also comprise the pulling force charger and be installed in the mounting blocks 3 of bracing frame 2, mounting blocks 3 offers through hole 4, be equipped with in this through hole 4 and turn to main shaft 5, this turns to the bare terminal end of main shaft 5 to offer jack 6 for accommodating latch, described mounting blocks 3 is equiped with clamping screw 7, the inner of this clamping screw 7 and the outer wall butt that turns to main shaft 5, described pulling force charger comprises web member 8, buffer spring 9 and load maintainer, the two ends of buffer spring 9 are connected with load maintainer with web member 8 respectively.
See Fig. 4, in the testing process of triangle plug, first one of them latch is inserted in the jack 6, utilize width to make distance between the surface of the end face of bare terminal end and plug in the scope of 5 ± 0.5mm for the error detecting code of 5mm, adjustment turns to the steering angle of main shaft 5, so that the detection application of force direction of another latch straight down; Web member 8 with the pulling force charger is connected with corresponding latch again, utilize width to make distance between the surface of the point of application and plug in the scope of 14 ± 0.5mm for the error detecting code of 14mm, load maintainer produces downward pulling force to web member 8 subsequently, thereby can detect test according to the testing requirement among the clause 2.13.9.1 among the AS/NZS 3112:2011, when the needs change detects application of force direction, get final product turning to main shaft 5 to rotate suitable angle, easy to operate, simple and fast; In the time need to detecting other latch, before latch is taken out from jack 6, latch to be detected is inserted in the jack 6 get final product, greatly simplified the operational sequence of plug latch displacement detecting, detection efficiency improves greatly.Arranging of buffer spring 9 effectively slowed down the moment overload pulling force of load maintainer to latch, and guaranteeing to detect test can carry out smoothly.In the testing process, the effect of clamping screw 7 is preventing turning to main shaft 5 interior loosening at through hole 4, and steadiness is high, and testing result is accurate.
The described bare terminal end of main shaft 5 that turns to of the present embodiment is equiped with locking jackscrew 10, the inner of this locking jackscrew 10 extends in the jack 6, utilize the aid turn locking jackscrews 10 such as screwdriver, to strengthen latch fixing in jack 6, prevent that in testing process latch is interior loosening at jack 6, steadiness is higher, and testing result is more accurate.
Certainly, the described bare terminal end of main shaft 5 that turns to is equiped with the goat's horn screw, and the inner of this goat's horn screw extends in the jack 6.Utilize the goat's horn screw to replace locking jackscrew 10 can in disassembly process, avoid using aid, faster and more convenient operation.
The described end that turns to of main shaft 5 that turns to of the present embodiment is equiped with angular adjustment handwheel 11, can rotate easily by angular adjustment handwheel 11 and turn to main shaft 5.
The outer wall of the described mounting blocks 3 of the present embodiment is equiped with index dial 12, the described main shaft 5 that turns to is equiped with pointer 18, when turning to main shaft 5 to rotate, pointer 18 moves about at index dial 12, so that the rotational angle that turns to main shaft 5 is expressed more accurately, need not to use again extra measurement of angle instrument, the checking of angle during convenient the detection, testing is more simple.
The described load maintainer of the present embodiment is counterweight 13, and this counterweight 13 is connected with the lower end of buffer spring 9.The gravity of this counterweight 13 self is 18N, and when counterweight 13 hung on the lower end of buffer spring 9, the pulling force of 8 pairs of latches of web member also was 18N, and application of force direction and size are stable, and accuracy of detection is higher.
The described base 1 of the present embodiment is provided with cylinder 14, and the piston rod of this cylinder 14 is fixed with pallet 15, this pallet 15 be positioned at described counterweight 13 under.Counterweight 13 is positioned in the pallet 15, and when needing the gravity application of force of counterweight 13, pallet 15 moves down under the effect of cylinder 14, utilizes the gravity of counterweight 13 that latch is carried out drop-down action, thereby realizes tensile test.
In addition, moving up and down of pallet 15 can also adopt other schemes to realize, the motor that for example described base 1 is provided with the tooth bar that can slide up and down, the gear that is connected with a joggle with tooth bar and driven wheel rotate, utilize motor to be with carry-over bar to move up and down, thus realize pallet 15 move up and down the control function.
The lower end of the described web member 8 of the present embodiment is connected with the upper end of buffer spring 9, web member 8 upper ends are that abutment ring 16 or connection are colluded, can very easily web member 8 is connected with latch and separate, handled easily can certainly collude with connection and substitute abutment ring 16.
The present embodiment also comprise constant temperature oven 17, described base 1, bracing frame 2, pulling force charger and mounting blocks 3 are positioned at constant temperature oven 17, so that build 40 ± 1 ℃ environment temperature for a latch displacement detecting test, so that this detection test is not subjected to the impact of external environment, practicality is stronger.
Above-described embodiment is the better implementation of the utility model, in addition, all right alternate manner realization of the utility model, any apparent replacement is all within protection domain of the present utility model under the prerequisite that does not break away from the present utility model design.
Claims (10)
1. plug latch displacement detecting testing machine, comprise base (1) and be arranged at the bracing frame (2) of base (1), it is characterized in that: also comprise the pulling force charger and be installed in the mounting blocks (3) of bracing frame (2), mounting blocks (3) offers through hole (4), be equipped with in this through hole (4) and turn to main shaft (5), this turns to the bare terminal end of main shaft (5) to offer jack (6) for accommodating latch, described mounting blocks (3) is equiped with clamping screw (7), the inner of this clamping screw (7) and the outer wall butt that turns to main shaft (5), described pulling force charger comprises web member (8), buffer spring (9) and load maintainer, the two ends of buffer spring (9) are connected with load maintainer with web member (8) respectively.
2. plug latch displacement detecting testing machine according to claim 1 is characterized in that: the described bare terminal end of main shaft (5) that turns to is equiped with locking jackscrew (10), and the inner of this locking jackscrew (10) extends in the jack (6).
3. plug latch displacement detecting testing machine according to claim 1, it is characterized in that: the described bare terminal end of main shaft (5) that turns to is equiped with the goat's horn screw, and the inner of this goat's horn screw extends in the jack (6).
4. plug latch displacement detecting testing machine according to claim 1 is characterized in that: the described end that turns to of main shaft (5) that turns to is equiped with angular adjustment handwheel (11).
5. plug latch displacement detecting testing machine according to claim 1, it is characterized in that: the outer wall of described mounting blocks (3) is equiped with index dial (12), the described main shaft (5) that turns to is equiped with pointer (18), when turning to main shaft (5) to rotate, pointer (18) moves about at index dial (12).
6. plug latch displacement detecting testing machine according to claim 1, it is characterized in that: described load maintainer is counterweight (13), this counterweight (13) is connected with the lower end of buffer spring (9).
7. plug latch displacement detecting testing machine according to claim 6, it is characterized in that: described base (1) is provided with cylinder (14), the piston rod of this cylinder (14) is fixed with pallet (15), this pallet (15) be positioned at described counterweight (13) under.
8. plug latch displacement detecting testing machine according to claim 6 is characterized in that: the motor that the gear that described base (1) is provided with the tooth bar that can slide up and down, be connected with a joggle with tooth bar and driven wheel rotate.
9. plug latch displacement detecting testing machine according to claim 1, it is characterized in that: the lower end of described web member (8) is connected with the upper end of buffer spring (9), and web member (8) upper end is for abutment ring (16) or connect and collude.
10. plug latch displacement detecting testing machine according to claim 1, it is characterized in that: also comprise constant temperature oven (17), described base (1), bracing frame (2), pulling force charger and mounting blocks (3) are positioned at constant temperature oven (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320205157 CN203203883U (en) | 2013-04-22 | 2013-04-22 | Plug inserted pin displacement detection testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320205157 CN203203883U (en) | 2013-04-22 | 2013-04-22 | Plug inserted pin displacement detection testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203203883U true CN203203883U (en) | 2013-09-18 |
Family
ID=49147982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320205157 Expired - Fee Related CN203203883U (en) | 2013-04-22 | 2013-04-22 | Plug inserted pin displacement detection testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203203883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226083A (en) * | 2013-04-22 | 2013-07-31 | 中华人民共和国东莞出入境检验检疫局 | Displacement detection testing machine for plugs and latches |
| CN113833685A (en) * | 2021-11-26 | 2021-12-24 | 北京中科科仪股份有限公司 | Molecular pump spindle collecting amount measuring device and measuring method |
-
2013
- 2013-04-22 CN CN 201320205157 patent/CN203203883U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226083A (en) * | 2013-04-22 | 2013-07-31 | 中华人民共和国东莞出入境检验检疫局 | Displacement detection testing machine for plugs and latches |
| CN113833685A (en) * | 2021-11-26 | 2021-12-24 | 北京中科科仪股份有限公司 | Molecular pump spindle collecting amount measuring device and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20140422 |