CN213658801U

CN213658801U - Test fixture of time relay dial switch

Info

Publication number: CN213658801U
Application number: CN202022823702.3U
Authority: CN
Inventors: 胡伊特; 胡伊达; 张彭春; 徐延端; 叶明静
Original assignee: Xinling Electrical Co ltd
Current assignee: Xinling Electrical Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-09
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a test fixture for a time relay dial switch, comprising a box body, a box cover arranged above the box body, an operation fixture vertically movably connected to the box cover, positioning components arranged on both sides of the operation fixture, and On the test circuit board assembly on one side of the box cover, a test station is formed on the operation fixture, a guide rail is arranged on the box cover, the guide rail is inserted on the operation fixture, and a return spring is arranged on the guide rail, and the return spring is located in the Between the operating fixture and the box cover, the box cover is provided with pins, the upper ends of the pins are inserted in the test station, and the lower ends of the pins are electrically connected to the test circuit board assembly through wires. After the clamp is pressed down along the guide rail, it forms linkage cooperation with the positioning components on both sides. The test fixture of the time relay dial switch of the utility model can directly detect the semi-finished dial switch assembly, and has the advantages of high detection efficiency, reliable positioning and convenient operation.

Description

Test fixture of time relay dial switch

Technical Field

The utility model relates to a test fixture especially relates to a time relay dial switch's test fixture.

Background

A time relay is an electrical component that can be used on a lower voltage or lower current circuit to turn on or off a higher voltage, higher current circuit, and is generally known in the market as including a cover, an add-on assembly, a circuit board for data processing and feedback, and a dial switch for control. The time relay assembly is qualified, and mainly tests components formed by the dial switch on the time relay and the PCB of the dial switch, but is not easy to test the time relay assembly after the time relay assembly is completed.

Disclosure of Invention

In view of this, the utility model aims at providing a time relay dial switch's test fixture that convenient to use, location are reliable can directly detect dial switch subassembly, promotes the detection efficiency of product.

In order to realize above mesh, the utility model discloses a such test fixture of time relay dial switch, including box body and setting at lid, the perpendicular swing joint of box body top the operation anchor clamps on the lid, set up locating component in the operation anchor clamps both sides, set up the test circuit board subassembly in lid one side, form the test station on the operation anchor clamps, be provided with the guide rail on the lid, the guide rail is worn to put on operation anchor clamps, and it is located between operation anchor clamps and the lid to be provided with reset spring and reset spring on the guide rail, be provided with the contact pin on the lid, the upper end of contact pin is worn to put in test station, and the lower extreme of contact pin passes through the wire and forms the electricity with test circuit board subassembly and is connected, operation anchor clamps form the linkage cooperation with the locating component of both sides after pushing down along the guide rail.

The working mode that the test fixture of the time relay dial switch detects the dial switch assembly is as follows: the dial switch assembly is placed on a testing station of an operating furniture, the dial switch assembly is pressed downwards to drive an operating clamp to descend, the operating clamp descends along a guide rail to compress a return spring, the operating clamp is fixed by positioning assemblies on two sides when being pressed to a certain position, the upper end of a contact pin is electrically connected with a welding spot of a PCB of the dial switch assembly along with the descending of the operating clamp, then dial on the dial switch assembly is operated, whether the actual numerical value on the dial switch is the same as the numerical value displayed by a liquid crystal screen of the testing circuit board assembly or not is observed, if the actual numerical value is the same as the numerical value, the dial switch assembly is a qualified product, if the actual numerical value is different, the dial switch assembly is an unqualified product, after the test is finished, the operating positioning assembly releases the fixing of the operating clamp, the operating clamp ascends under the action of the return spring to reset, and the dial switch assembly is taken down. The utility model discloses time relay dial switch's test fixture tests through the semi-manufactured goods to dial switch subassembly (time relay), compares in the time relay that finishes to the assembly detects and has the advantage that detection efficiency is high, and this test fixture location is reliable moreover, convenient operation.

The utility model discloses further set up to the locating component including setting up the fixing base on the lid, one side that the fixing base leaned on operating fixture forms the slider chamber, and one side that operating fixture was kept away from to the fixing base forms the handle chamber, the slider intracavity is provided with the slider, is provided with the handle in the handle chamber, the slider passes through the connecting rod with the handle and forms and be connected, the slider intracavity is provided with the slider spring that the drive slider removed to operating fixture, the inner wall in slider spring's one end link block chamber, the one end of the other end link block of slider spring.

The positioning assembly adopts the handle, the connecting rod and the sliding block to be connected to form an unlocking structure, the sliding block spring drives the sliding block to prop against the operating clamp, the sliding blocks which are arranged on two sides of the operating clamp can move oppositely to block the operating clamp after the operating clamp is pressed downwards, the handles on two sides are operated, the handles respectively drive the sliding blocks through the connecting rod to move to remove the fixation of the operating clamp, the operating clamp resets to an initial position, and the sliding blocks are again propped against two sides of the operating clamp under the action of the sliding block spring.

The utility model discloses further set up to the slider include swing joint at the guide part of slider intracavity and form linkage complex joint portion with operating fixture, one side that joint portion leaned on operating fixture forms the arcwall face, the guide part is connected to the one end of connecting rod.

The arc-shaped surface of the clamping part is smooth and fluent in the action when the operating clamp is pressed down.

The utility model discloses further set up to the handle include swing joint movable part in the handle intracavity and set up the splenium of pressing outside the handle intracavity, the movable part is connected to the other end of connecting rod.

The pressing part facilitates the release of the fixing of the operation clamp by the testing personnel.

This practicality further sets up to still be provided with a plurality of reference columns on the box cover, operating fixture pushes down along the guide rail and forms with the reference column and be connected.

Above-mentioned reference column makes the operation fixture can keep fixed relative the lid, lets the dial switch subassembly can not take place to rock when testing on the test station, guarantees the stability that contact pin and dial switch subassembly PCB board are gone up the solder joint electricity and are connected.

This practicality further sets up to test station formation positioning groove, and positioning groove's both sides form a plurality of jacks respectively, the upper end of contact pin is connected in the jack.

The jacks can improve the connection accuracy of the contact pins and the welding points on the corresponding dial switch component PCB.

Drawings

Fig. 1 is a perspective view of a dial switch assembly according to an embodiment of the present invention.

Fig. 2 is a perspective view of the dial switch assembly according to the embodiment of the present invention when detecting.

Fig. 3 is a perspective view of the embodiment of the present invention with the box body removed.

Fig. 4 is a perspective view of the lid, the operation clamp and the positioning assembly according to the embodiment of the present invention.

Fig. 5 is a sectional view of a positioning assembly according to an embodiment of the present invention.

Detailed Description

As shown in FIG. 1, the utility model relates to a test fixture who tests for dial switch subassembly (time relay's semi-manufactured goods), dial switch subassembly is including setting up the dial switch of PCB board and electricity on the PCB board in the bottom, and the solder joint is formed to the below of PCB board.

As shown in fig. 2-5, the testing fixture of the time relay dial switch of the present invention comprises a box body 1, a box cover 2 disposed above the box body 1, an operating fixture 3 vertically movably connected to the box cover 2, a positioning assembly 4 disposed on both sides of the operating fixture 3, and a testing circuit board assembly 5 disposed on one side of the box cover 2, wherein a testing station 31 is formed on the operating fixture 3, a guide rail 6 is disposed on the box cover 2, the guide rail 6 is disposed on the operating fixture 3, a return spring 61 is disposed on the guide rail 6, the return spring 61 is disposed between the operating fixture 3 and the box cover 2, the testing station 31 forms a positioning groove 32, a plurality of insertion holes 33 are respectively formed on both sides of the positioning groove 32, a contact pin 7 is disposed on the box cover 2, an upper end of the contact pin 7 is connected in the insertion hole 33, and a lower end of the contact pin 7 is electrically connected to the testing, the positioning assembly 4 comprises a fixed seat 41 arranged on the box cover 2, a slider cavity 42 is formed on one side of the fixed seat 41 close to the operating clamp 3, a handle cavity 43 is formed on one side of the fixed seat 41 far away from the operating clamp 3, a slider 44 is arranged in the slider cavity 42, the slider 44 comprises a guide part 441 movably connected in the slider cavity 42 and a clamping part 442 in linkage fit with the operating clamp 3, an arc-shaped surface 4421 is formed on one side of the clamping part 442 close to the operating clamp 3, a handle 45 is arranged in the handle cavity 43, the handle 45 comprises a movable part 451 movably connected in the handle cavity 43 and a pressing part 452 arranged outside the handle cavity 43, the slider 44 and the handle 45 are connected through a connecting rod 46, one end of the connecting rod 46 is connected with the guide part 441, the other end of the connecting rod 46 is connected with the movable part 451, a slider spring 47 driving the slider 44 to move towards the operating clamp, the inner wall in slider chamber 42 is connected to slider spring 47's one end, slider 44's one end is connected to slider spring 47's the other end, operation anchor clamps 3 forms the linkage cooperation with the joint portion 442 of both sides after pushing down along guide rail 6, still be provided with a plurality of reference columns 8 on the lid 2, operation anchor clamps 3 forms the connection cooperation with reference column 8 along guide rail 6 pushing down.

According to the above embodiment, the utility model discloses time relay dial switch's test fixture working method does: placing the dial switch component A on a testing station of the operating furniture (a PCB A2 is fixed in a positioning groove), pressing the dial switch component A to drive an operating clamp to descend, the operating clamp descends along a guide rail to compress a return spring, the operating clamp is fixed by clamping parts at two sides when being pressed to a certain position, the upper end of a contact pin is electrically connected with a welding point on a PCB 2 of the dial switch component along with the descending of the operating clamp, then operating a dial switch A1 on the dial switch component to observe whether the actual numerical value on the dial switch A1 is the same as the numerical value displayed by a liquid crystal screen of the testing circuit board component, if the actual numerical value is the same as the numerical value displayed by the liquid crystal screen of the testing circuit board component, indicating that the dial switch component is a qualified product, if the dial switch component is different, after the testing is finished, the operating pressing part releases the fixing of the operating clamp, the operating clamp ascends under the action of the return spring to, and finally, taking down the dial switch component.

In addition to the above embodiments, there are also other embodiments of the present invention, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and scope of the present invention, and those changes and modifications are equivalent to the technical solutions in the present patent, and then those corresponding changes and modifications are all within the scope of the appended claims.

Claims

1. the test fixture of a time relay dial switch, it is characterized in that: comprise box body and the box cover that is arranged on the box body top, the operation fixture that is vertically movably connected on the box cover, the positioning assembly that is arranged on both sides of the operation fixture 2. A test circuit board assembly arranged on one side of the box cover, a test station is formed on the operating fixture, a guide rail is provided on the box cover, the guide rail is inserted on the operating fixture, and the guide rail is provided with a return spring and reset The spring is located between the operating fixture and the box cover, the box cover is provided with pins, the upper ends of the pins are inserted in the test station, and the lower ends of the pins are electrically connected with the test circuit board assembly through wires, so The operating fixture is pressed down along the guide rail to form linkage cooperation with the positioning components on both sides.

2 . The test fixture of the time relay DIP switch according to claim 1 , wherein the positioning assembly comprises a fixing seat arranged on the box cover, and the fixing seat forms a slider cavity by one side of the operating fixture. 3 . , a handle cavity is formed on the side of the fixed seat away from the operation clamp, the slider cavity is provided with a slider, the handle cavity is provided with a handle, the slider and the handle are connected by a connecting rod, and the slider cavity is provided with a handle There is a slider spring that drives the slider to move toward the operating fixture, one end of the slider spring is connected to the inner wall of the slider cavity, and the other end of the slider spring is connected to one end of the slider.

3. The test fixture of the time relay DIP switch according to claim 2, wherein the sliding block comprises a guide part movably connected in the sliding block cavity and a clamping part that forms a linkage with the operating fixture, so The engaging portion forms an arc surface on one side of the operating clamp, and one end of the connecting rod is connected to the guide portion.

4. The test fixture of the time relay DIP switch according to claim 3, characterized in that: the handle comprises a movable part movably connected in the handle cavity and a pressing part arranged outside the handle cavity; The other end is connected to the movable part.

5. The test fixture of the time relay DIP switch according to claim 1 or 2 or 3 or 4, characterized in that: the box cover is also provided with a plurality of positioning posts, and the operation fixture is pressed down along the guide rail with The positioning posts form the connection.

6. The test fixture of the time relay DIP switch according to claim 1 or 2 or 3 or 4, wherein the test station forms a positioning groove, and a plurality of sockets are formed on both sides of the positioning groove respectively , the upper end of the pin is connected in the jack.