Production test fixture

By designing and producing a test fixture and using a movable pull rod and a bracket to move the test needle, the problem of low efficiency of bathroom heater testing in the existing technology is solved, and fast and convenient test operations are achieved.

CN223436023UActive Publication Date: 2025-10-14ZHEJIANG LAISIAO ELECTRIC
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422642250.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-10-14
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

In the production process of bathroom heaters, the existing technology requires connecting the switch to the wiring terminal according to its function for testing, and then removing it after the test is completed, which wastes a lot of time and leads to low testing efficiency.

Method used

A production test fixture is designed, which includes a box body, a moving device and a test device. The movement of the retractable test needle is achieved through the cooperation of the movable pull rod and the movable bracket, which simplifies the connection and removal process of the terminal to be tested and the wiring terminal.

Benefits of technology

It improves the efficiency of bathroom heater testing, simplifies the operating procedures, and makes the testing process more convenient and efficient.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223436023U_ABST
    Figure CN223436023U_ABST
Patent Text Reader

Abstract

A production test fixture comprises a box body, a moving device and a test device, a wiring portion is arranged at the front end of the box body, an electric control portion is arranged at the rear portion of the box body, and a sliding groove is formed in the side wall of the box body from the front end to the middle of the electric control portion; the moving device comprises a moving support and a moving pull rod, terminal frames corresponding to the connecting holes are arranged in the moving support, a connecting plate is arranged on the side wall of the moving support, the front end of the connecting plate is fixedly connected with the side wall of the moving support, the rear end of the connecting plate extends backwards, the moving support is arranged in the wiring part, and the connecting plate is embedded in the sliding groove and can slide along the sliding groove; the left end and the right end of the movable pull rod are provided with movable plates corresponding to the connecting plates, the movable plates are fixedly connected with the connecting plates, the testing device comprises testing needles and wiring terminals, the testing needles are telescopic testing needles, and the testing needles are arranged corresponding to the connecting holes; the end head of the moving end of the test needle penetrates through the connecting hole to be embedded in the terminal frame and can move back and forth along with the moving bracket; and the wiring terminal is arranged in the wiring part in front of the movable bracket.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of electrical appliance testing, in particular to a production testing fixture. Background Art

[0002] During the production of bathroom heaters, the entire machine needs to be fully functional tested. In the actual production process, if the switch is connected to the wiring terminal according to the function for testing and then removed after the test is completed, a lot of time will be wasted. In order to improve the testing efficiency, a test fixture that can perform fast testing is needed. Utility Model Content

[0003] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a production test fixture, comprising a box body, a mobile device and a test device, the box body comprising a bottom box and an upper cover, the front end of the bottom box is provided with a wiring part, the rear part of the bottom box is an electric control part, the electric control part and the wiring part are separated by a partition, and the partition is arranged with connection holes; a slide groove is provided on the side wall of the box body from the front end to the middle of the electric control part; a connecting column is provided at the rear of the bottom box; the upper cover covers the electric control part; the mobile device comprises a mobile bracket, a mobile pull rod and a lock buckle, a terminal rack is arranged in correspondence with the connection holes in the mobile bracket, a connecting plate is provided on the side wall of the mobile bracket, the front end of the connecting plate is fixedly connected to the side wall of the mobile bracket, the rear end of the connecting plate extends backward, the mobile bracket is arranged in the wiring part, and the connection The plate is embedded in the slide groove and can slide along the slide groove; the lock includes a lock column and a fixed ring, the fixed ring is embedded in the connecting column, the lock column is embedded in the fixed ring and the connecting column and can slide up and down, and a spring is provided at the bottom of the lock column and the bottom of the connecting column; movable plates are provided at the left and right ends of the movable pull rod corresponding to the connecting plate, the movable plate is fixedly connected to the connecting plate, and a lock hole is provided on the top surface of the movable pull rod. When the movable pull rod moves to the final position, the lock column pops out and is embedded in the lock hole; the test device includes a test pin and a wiring terminal, the test pin is a telescopic test pin, and the test pin is arranged corresponding to the connecting hole; the movable end of the test pin passes through the connecting hole and is embedded in the terminal frame, and can move back and forth with the movable bracket; the wiring terminal is provided in the wiring part in front of the movable bracket.

[0004] Furthermore, a handle protruding upward is provided at the rear end of the movable pull rod.

[0005] Furthermore, screw holes are opened downward on the rear wall of the bottom box, and fixing holes are opened on the upper cover corresponding to the screw holes. Screws pass through the fixing holes and are screwed into the screw holes to fix the bottom box and the upper cover.

[0006] Furthermore, the length of the slide groove is the same as the telescopic length of the test needle.

[0007] Furthermore, a lock head is provided at the top of the lock column, one end of the lock head is raised, the maximum width of the lock head is greater than the width of the lock hole, the minimum width of the lock head is less than or equal to the width of the lock hole, and the lock column can rotate axially.

[0008] In summary, this application has the following beneficial effects:

[0009] Connect the terminal to be tested to the terminal block. Push the movable lever, and the movable bracket will pull the movable end of the test probe forward until it contacts the terminal to be tested. This completes the circuit, and the test fixture connects the back-end controller to the host computer, allowing the host computer to be tested. After the test is complete, pull the movable lever to move the movable end of the test probe away from the terminal to be tested. The terminal to be tested is then removed from the terminal block to complete the test. The movable lever and movable bracket work together to achieve retractable test probe movement, making it more convenient for the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Fig. 1 It is a structural diagram of the utility model;

[0011] Fig. 2 This is a schematic diagram of the utility model in use.

[0012] In the figure: 1. Base box; 2. Electrical control unit; 3. Wiring unit; 4. Upper cover; 5. Partition; 6. Connection hole; 7. Slide groove; 8. Connection column; 9. Screw hole; 10. Movable bracket; 11. Connection plate; 12. Terminal rack; 13. Wiring terminal; 14. Movable end; 15. Fixed end; 16. Locking column; 17. Fixing ring; 18. Locking head; 19. Spring; 20. Fixing hole; 21. Movable pull rod; 22. Movable plate; 23. Locking hole; 24. Handle; 25. Controller; 26. Terminal to be tested. DETAILED DESCRIPTION

[0013] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0014] In the description of the embodiments of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the product of the utility model is usually placed when in use. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, it should not be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description and should not be understood as indicating or implying relative importance.

[0015] In addition, if the terms "horizontal", "vertical", "overhanging" and the like are used, it does not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0016] In the description of the embodiments of the present application, "a plurality of" represents at least 2.

[0017] In the description of the embodiments of the present application, it should be further pointed out that, unless otherwise explicitly specified and limited, if the terms "provided", "installed", "connected", "connected" appear, they should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0018] Embodiment:

[0019] Please refer to Figs. 1-2The utility model provides a production test fixture, including box, mobile device and test device, the box includes bottom box 1 and upper cover 4, the bottom box 1 front end is provided with wiring part 3, and the bottom box 1 rear part is electric control part 2, and electric control part 2 is separated with wiring part 3 through partition 5, and partition 5 is arranged with connecting hole 6, the lateral wall of the box is set up sliding slot 7 from front end to the middle position of electric control part 2, and the rear part of bottom box 1 is provided with connecting column 8, the upper cover 4 covers electric control part 2, the mobile device includes mobile support 10, mobile pull rod 21 and lock catch, and the terminal rack 12 is arranged in mobile support 10 corresponding connecting hole 6, and the connecting plate 11 is arranged on the lateral wall of mobile support 10, and the front end of connecting plate 11 is fixedly connected with the lateral wall of mobile support 10, and the rear end of connecting plate 11 extends back, and mobile support 10 is arranged in wiring part 3, and connecting plate 11 is embedded in sliding slot 7 and can slide along sliding slot 7, the lock catch includes lock column 16 and fixed ring 17, and fixed ring 17 is embedded in connecting column 8, and lock column 16 is embedded in fixed ring 17 and connecting column 8 and can slide up and down, and the bottom of lock column 16 and the bottom of connecting column 8 are provided with spring 19, the mobile plate 22 of mobile pull rod 21 left and right two ends is provided with mobile plate 22 corresponding connecting plate 11, and mobile pull rod 21 top surface is provided with lock hole 23, and when mobile pull rod 21 moves to the last position, lock column 16 pops out and is embedded in lock hole 23, the test device includes test needle and wiring terminal 13, and the test needle is telescopic test needle, and the telescopic test needle includes mobile end 14 and fixed end 15, and mobile end 14 can slide along fixed end 15, the test needle is arranged corresponding connecting hole 6, and the end of mobile end 14 is embedded in terminal rack 12 through connecting hole 6 and can move back and forth along with mobile support 10, and the wiring terminal 13 is arranged in wiring part 3 in front of mobile support 10.

[0020] The rear end of the mobile pull rod 21 is provided with a handle 24 protruding upward.

[0021] The rear wall of the bottom box 1 is provided with a screw hole 9 downward, and the upper cover 4 is provided with a fixed hole 20 corresponding to the screw hole 9, and a screw is screwed into the screw hole 9 through the fixed hole 20 to fix the bottom box 1 and the upper cover 4.

[0022] The length of the sliding slot 7 is the same as the telescopic length of the test needle.

[0023] The top end of the lock column 16 is provided with a lock head 18, one end of the lock head 18 is protruding, the maximum width of the lock head 18 is greater than the width of the lock hole 23, the minimum width of the lock head 18 is less than or equal to the width of the lock hole 23, and the lock column 16 can rotate axially.

[0024] The present invention connects the terminal 26 to be tested to the terminal 13. At this time, the movable rod 21 is pushed, and the movable bracket 10 drives the movable end 14 of the test needle forward until the movable end 14 contacts the terminal 26 to be tested. At this time, the circuit is connected, and the test fixture connects the back-end controller 25 to the host, allowing the host function to be tested. After the test is completed, the movable rod 21 is pulled to move the movable end 14 of the test needle away from the terminal 26 to be tested, and the terminal 26 to be tested is removed from the terminal 13 to complete the test. The cooperation between the movable rod 21 and the movable bracket 10 enables the movement of the retractable test needle, making it more convenient for the operator to use.

[0025] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A production test fixture, characterized by: The box body comprises a box body, a mobile device and a test device, the box body comprises a bottom box and an upper cover, the front end of the bottom box is provided with a wiring part, the rear end of the bottom box is an electric control part, the electric control part and the wiring part are separated by a partition, and the partition is arranged with connection holes; a slide groove is provided on the side wall of the box body from the front end to the middle of the electric control part; a connecting column is provided at the rear end of the bottom box; the upper cover covers the electric control part; the mobile device comprises a mobile bracket, a mobile pull rod and a lock buckle, terminal racks are arranged in correspondence with the connection holes in the mobile bracket, a connecting plate is provided on the side wall of the mobile bracket, the front end of the connecting plate is fixedly connected to the side wall of the mobile bracket, the rear end of the connecting plate extends backward, the mobile bracket is arranged in the wiring part, the connecting plate is embedded in the slide groove and can slide along the slide groove; The lock buckle includes a lock column and a fixed ring, the fixed ring is embedded in the connecting column, the lock column is embedded in the fixed ring and the connecting column and can slide up and down, and springs are provided at the bottom of the lock column and the bottom of the connecting column; movable plates are provided at the left and right ends of the movable pull rod corresponding to the connecting plates, the movable plates are fixedly connected to the connecting plates, and a lock hole is provided on the top surface of the movable pull rod. When the movable pull rod moves to the final position, the lock column pops out and is embedded in the lock hole; the testing device includes a test pin and a wiring terminal, the test pin is a telescopic test pin, and the test pin is arranged corresponding to the connecting hole; the movable end of the test pin passes through the connecting hole and is embedded in the terminal frame, and can move back and forth with the movable bracket; the wiring terminal is provided in the wiring part in front of the movable bracket.

2. A production test fixture according to claim 1, characterized in that: The rear end of the movable pull rod is provided with a handle protruding upward.

3. The production test fixture according to claim 1, characterized in that: The rear wall of the bottom box is provided with screw holes downwardly, and the upper cover is provided with fixing holes corresponding to the screw holes. Screws pass through the fixing holes and are screwed into the screw holes to fix the bottom box and the upper cover.

4. The production test fixture according to claim 1, characterized in that: The length of the slideway is the same as the telescopic length of the test needle.

5. The production test fixture according to claim 1, characterized in that: A lock head is provided at the top of the lock column, one end of the lock head is raised, the maximum width of the lock head is greater than the width of the lock hole, the minimum width of the lock head is less than or equal to the width of the lock hole, and the lock column can rotate axially.