Automatic reset auxiliary device for contact type limiting stopper
By designing an automatic reset auxiliary device for contact limit switches, and utilizing components such as the limit switch body, mounting bracket, support rod, and limit ring, the problem of limit switch failure caused by trigger rod deformation was solved, and the stable reset and accurate alignment of the limit switch were achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-11
- Publication Date
- 2026-04-07
AI Technical Summary
Existing contact limit switch automatic reset auxiliary devices are prone to failure to function properly during use due to deformation of the trigger rod at the limit terminal.
An automatic reset auxiliary device for a contact-type limit switch was designed, comprising a limit switch body, a mounting bracket, a support rod, a limit ring, a connecting rod, a limit plate, and a limit spring. Through the cooperation of these components, the limit switch can be stably reset and accurately aligned.
This improves the stability and accuracy of the limit switch, ensuring that it can perform its limiting function normally and avoiding failure due to deformation.
Smart Images
Figure CN224091586U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of contact limiters, specifically relating to an automatic reset auxiliary device for contact limiters. Background Technology
[0002] Limit switches are important safety protection devices for mechanical equipment. Contact limit switches are mainly used for equipment travel and lifting. When used for equipment travel limit control, a fixed trigger rod is usually installed at the limit switch end to activate the limit switch.
[0003] Existing contact limit switch automatic reset auxiliary devices still have some defects. In most contact limit switch automatic reset auxiliary devices, the trigger rod of the limit terminal is installed during temporary construction and is often deformed and misaligned due to external influences, resulting in the limit switch failure and inability to perform normal limit function. Therefore, we propose an automatic reset auxiliary device for contact limit switches. Utility Model Content
[0004] The purpose of this utility model is to provide an automatic reset auxiliary device for contact limiters, so as to solve the problem mentioned in the background art that deformation is easy to occur, resulting in failure to limit the position normally.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic reset auxiliary device for a contact-type limiter, comprising a limiter body, a mounting bracket on one side of the limiter body, a support rod on the top of the mounting bracket, a limit ring fixedly connected to the top of the support rod, a first connecting rod inside the limit ring, a first limiting plate fixedly connected to one end of the first connecting rod, a limiting spring on the surface of the first connecting rod, and a second connecting rod fixedly connected to one side of the first limiting plate.
[0006] Preferably, a rotary switch is provided at one end of the first connecting rod, and a starting device is provided on one side of the rotary switch.
[0007] Preferably, the mounting bracket has a first threaded hole inside, and a fixing bolt is provided inside the first threaded hole.
[0008] Preferably, a mounting plate is provided on one side of the limiter body, and the mounting plate and the limiter body are fixedly connected.
[0009] Preferably, the mounting plate has a second threaded hole inside, and a fixing plate is provided on the top of the mounting plate.
[0010] Preferably, the bottom of the mounting plate is provided with a reinforcing rod, and the reinforcing rod is fixedly connected to the mounting plate.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] 1. A mounting bracket is provided on one side of the limit switch body. A support rod and a limit ring are provided on the top of the mounting bracket. A first connecting rod is provided inside the limit ring. A first limit plate is provided at one end of the first connecting rod. A limit spring is provided on the surface. A second connecting rod is provided on one side of the first limit plate, so that it controls the rotary switch to open and return to its original position, thereby improving the alignment stability of the automatic reset auxiliary device of the contact limit switch.
[0013] 2. A mounting plate is provided on one side of the limit switch body, a fixing plate is provided on the top of the mounting plate, and a reinforcing rod is provided at the bottom of the mounting plate. This improves the stability of the mounting plate in fixing to its mounting frame, and at the same time improves the accuracy of the first connecting rod in docking with the rotary switch, thus improving the stability of the automatic reset auxiliary device for the contact limit switch. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of the automatic reset auxiliary device for the contact limiter of this utility model;
[0015] Figure 2 This is a schematic diagram of the overall side structure of the automatic reset auxiliary device for the contact limiter of this utility model;
[0016] Figure 3 This is a schematic diagram of the mounting plate structure of the automatic reset auxiliary device for the contact limiter of this utility model.
[0017] Figure 4 This is a schematic diagram of the limit rod structure of the automatic reset auxiliary device for the contact limiter of this utility model;
[0018] Figure 5 This is an exploded view of the limit rod of the automatic reset auxiliary device for the contact limiter of this utility model.
[0019] In the diagram: 1. Limiter body; 2. Mounting bracket; 3. Support rod; 4. Limiting ring; 5. First connecting rod; 6. First limiting plate; 7. Limiting spring; 8. Second connecting rod; 9. Rotary switch; 10. Starting device; 11. First threaded hole; 12. Fixing bolt; 13. Mounting plate; 14. Second threaded hole; 15. Fixing plate; 16. Reinforcing rod. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-5 This utility model provides a technical solution: an automatic reset auxiliary device for a contact-type limit switch, including a limit switch body 1, a mounting bracket 2 on one side of the limit switch body 1, a support rod 3 on the top of the mounting bracket 2, a limit ring 4 fixedly connected to the top of the support rod 3, a first connecting rod 5 inside the limit ring 4, a first limit plate 6 fixedly connected to one end of the first connecting rod 5, a limit spring 7 on the surface of the first connecting rod 5, and a second connecting rod 8 fixedly connected to one side of the first limit plate 6. By pushing the second connecting rod 8, the second connecting rod 8 drives the first limit plate 6, the first limit plate 6 squeezes its limit spring 7, and at the same time drives the first connecting rod 5 to move, so that the first connecting rod 5 starts the switch.
[0022] Specifically, a rotary switch 9 is provided at one end of the first connecting rod 5, and a starting device 10 is provided on one side of the rotary switch 9. The first connecting rod 5 is connected to the rotary switch 9, so that the rotary switch 9 is opened when the first connecting rod 5 moves, and the rotary switch 9 controls the starting device 10 to start.
[0023] Specifically, the mounting bracket 2 has a first threaded hole 11 inside, and a fixing bolt 12 is provided inside the first threaded hole 11. The mounting bracket 2 is installed through the first threaded hole 11 and the fixing bolt 12.
[0024] Specifically, a mounting plate 13 is provided on one side of the limiter body 1. The mounting plate 13 is fixedly connected to the limiter body 1, and the mounting bracket 2 is supported and fixedly installed through the mounting plate 13.
[0025] Specifically, the mounting plate 13 has a second threaded hole 14 inside and a fixing plate 15 on the top of the mounting plate 13. The second threaded hole 14 and the fixing plate 15 strengthen the mounting plate 13 to fix the mounting bracket 2.
[0026] Specifically, a reinforcing rod 16 is provided at the bottom of the mounting plate 13. The reinforcing rod 16 is fixedly connected to the mounting plate 13, thereby improving the stability of the mounting plate 13.
[0027] In this embodiment, during use, by pushing the second connecting rod 8, the second connecting rod 8 drives the first limiting plate 6, the first limiting plate 6 compresses its limiting spring 7, and at the same time drives the first connecting rod 5 to move, causing the first connecting rod 5 to push the rotary switch 9, causing the rotary switch 9 to open and close. When the force pushing the second connecting rod 8 is withdrawn, the limiting spring 7 is compressed, causing the first limiting plate 6 to rebound, causing the first limiting plate 6 to return to its original position, driving the first connecting rod 5 to return to its original position, and causing the rotary switch 9 to return to its original position.
[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An automatic reset auxiliary device for a contact-type limit switch, comprising a limit switch body (1), characterized in that: The limiter body (1) has a mounting bracket (2) on one side, a support rod (3) on the top of the mounting bracket (2), a limit ring (4) fixedly connected to the top of the support rod (3), a first connecting rod (5) inside the limit ring (4), a first limiting plate (6) fixedly connected to one end of the first connecting rod (5), a limit spring (7) on the surface of the first connecting rod (5), and a second connecting rod (8) fixedly connected to one side of the first limiting plate (6).
2. The automatic reset auxiliary device for a contact limit switch according to claim 1, characterized in that: The first connecting rod (5) is provided with a rotary switch (9) at one end, and a starting device (10) is provided on one side of the rotary switch (9).
3. The automatic reset auxiliary device for a contact limit switch according to claim 1, characterized in that: The mounting bracket (2) has a first threaded hole (11) inside, and a fixing bolt (12) is provided inside the first threaded hole (11).
4. The automatic reset auxiliary device for a contact limit switch according to claim 1, characterized in that: The limiter body (1) has a mounting plate (13) on one side, and the mounting plate (13) and the limiter body (1) are fixedly connected.
5. The automatic reset auxiliary device for a contact limit switch according to claim 4, characterized in that: The mounting plate (13) has a second threaded hole (14) inside, and a fixing plate (15) is provided on the top of the mounting plate (13).
6. The automatic reset auxiliary device for a contact limit switch according to claim 5, characterized in that: The bottom of the mounting plate (13) is provided with a reinforcing rod (16), and the reinforcing rod (16) and the mounting plate (13) are fixedly connected.