A universal transfer switch
By introducing a ring and torsion spring structure into the universal changeover switch, combined with the locking groove design of the rotary handle, the problems of inconvenient operation and poor stability of traditional changeover switches are solved, achieving stability and safety under high current and high voltage environments.
Patent Information
- Application Number
- CN202422804022.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-18
AI Technical Summary
Traditional changeover switches are simple in design, have limited functions, and are inconvenient to operate. They are particularly unreliable and unreliable in high-current and high-voltage environments, and their locking mechanisms are prone to misoperation and instability.
A universal changeover switch was designed, comprising terminals, a mounting ring, a rotary handle, and an operating lever. Automatic reset is achieved by integrally forming an annular ring within the operating lever and equipping it with a torsion spring. A locking groove is provided at the lower end of the rotary handle to cooperate with the locking block of the operating lever, enhancing stability and safety.
It improves ease of operation and stability, ensures stability and safety during long-term use, and enhances reliability in high-current and high-voltage environments.
Smart Images
Figure CN223598599U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to switch technical field, concretely is a kind of universal change-over switch. BACKGROUND
[0002] Universal change-over switch, it is mainly suitable for electrical line in AC 50Hz, rated working voltage 380V and below, DC voltage 220V and below, rated current to 160A, universal change-over is mainly used for the change-over of various control circuits, the commutation measurement control of voltmeter, ammeter, the change-over of distribution device circuit and remote control etc..Universal change-over switch can also be used for directly controlling the start of small-capacity motor, speed regulation and commutation.
[0003] In electrical equipment and control system, change-over switch as a kind of key component, is widely used in various occasions needing to switch circuit or signal transmission path.The design of traditional change-over switch is often relatively simple, single function, and inconvenient to operate, especially when needing to frequently switch or in high current, high voltage environment, its reliability and durability become a big challenge.In addition, traditional change-over switch often has design defects in locking mechanism, which is easily unlocked under vibration or misoperation, thereby affecting the stability and safety of circuit SUMMARY
[0004] The utility model aims at providing a kind of universal change-over switch, to solve the problems presented in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of universal change-over switch, including terminal, installation ring and rotating handle, the operating lever is rotationally arranged in the installation ring, the operating lever is integrally formed with an annular ring in the operating lever and is provided with torsion spring between the operating lever and annular ring, the inner circle of the operating lever is provided with a plurality of lock blocks, the lower end of the rotating handle is provided with a connecting portion, the connecting portion is provided with lock slot for the insertion of lock block to realize the limiting of rotating handle.
[0006] Preferably, the upper cover is provided with a positioning column, a mounting hole and a clamping groove on the side of the lower seat, wherein the positioning column is inserted into the lower seat, and the mounting hole is provided with a fastening screw, which fastens the upper cover, the lower seat and the terminal.
[0007] Preferably, the upper cover is provided with a stroke interval, and the operating lever reciprocates in the stroke interval to switch between the unlocking and locking states.
[0008] Preferably, the lower end of the lock slot is provided with a guide portion for easy insertion into the installation ring, and the guide portion is inclined.
[0009] Preferably, the operating rod further comprises a through slot arranged on one side, and the torsion spring further comprises a spring leg one and a spring leg two, wherein the spring leg one is inserted into the through slot, and the spring leg two is inserted into the clamping slot of the upper cover.
[0010] Preferably, the wiring terminal is provided with a rotating shaft in the middle, and the rotating handle is sleeved on the rotating shaft to form linkage control.
[0011] Compared with the prior art, the utility model has the beneficial effects that: through integrally forming the annular ring in the operating rod and arranging the torsion spring between the operating rod and the annular ring, the operating rod can automatically return to the initial position under the action of the torsion spring, which not only improves the operation convenience of the switch, but also ensures the stability of the switch in the long-term use process. In addition, the lock slot arranged on the connecting part of the lower end of the rotating handle cooperates with the lock block in the operating rod, realizes the limiting function of the rotating handle, and further enhances the stability and safety of the switch. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the overall structure schematic view of the utility model embodiment;
[0013] Figure 2 It is the rotating handle structure schematic view of the utility model embodiment;
[0014] Figure 3 It is the local structure schematic view (not showing the rotating handle part) of the utility model embodiment;
[0015] Figure 4 It is the local structure schematic view (not showing the rotating handle and upper cover part) of the utility model embodiment;
[0016] Figure 5 It is the upper cover part structure schematic view of the utility model embodiment;
[0017] Figure 6 It is the operating rod and torsion spring assembly schematic view of the utility model embodiment.
[0018] In the drawing:
[0019] 10, rotating handle; 11, connecting part; 12, lock slot; 121, guide part;
[0020] 20, mounting ring; 21, upper cover; 211, clamping slot; 212, positioning column; 213, mounting hole; 214, stroke interval; 22, lower seat;
[0021] 30, wiring terminal;
[0022] 40, operating rod; 41, annular ring; 42, through slot; 43, lock block;
[0023] 50, rotating shaft;
[0024] 60 torsion spring; 61 spring foot one; 62 spring foot two. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0026] Please refer to Figures 1-6 A universal switch includes a wiring terminal 30, a mounting ring 20 and a rotating handle 10, the operating rod 40 is rotationally arranged in the mounting ring 20, the operating rod 40 is integrally formed with an annular ring 41, and a torsion spring 60 is arranged between the operating rod 40 and the annular ring 41, the inner ring of the operating rod 40 is provided with a plurality of locking blocks 43, and the lower end of the rotating handle 10 is provided with a connecting part 11, the connecting part 11 is provided with a locking groove 12 for inserting the locking block 43 to limit the rotating handle 10, the annular ring 41 is integrally formed in the operating rod 40, and the torsion spring 60 is arranged between the operating rod 40 and the annular ring 41, so that the operating rod 40 can automatically return to the initial position under the action of the torsion spring 60, which not only improves the operation convenience of the switch, but also ensures the stability of the switch in the long-term use. In addition, the locking groove 12 on the connecting part 11 at the lower end of the rotating handle 10 cooperates with the locking block 43 in the operating rod 40 to realize the limiting function of the rotating handle 10, and further enhances the stability and safety of the switch.
[0027] Specifically, the upper cover 21 is provided with a positioning column 212, a mounting hole 213 and a clamping groove 211 on the side facing the lower seat 22, the positioning column 212 is inserted into the lower seat 22, the mounting hole 213 is provided with a fastening screw, the fastening screw fastens the upper cover 21, the lower seat 22 and the wiring terminal 30, and the positioning column 212 ensures the accurate positioning between the upper cover 21 and the lower seat 22, and the upper cover 21, the lower seat 22 and the wiring terminal 30 are assembled by the fastening screw to form an integral whole, and the strength is higher.
[0028] Specifically, the upper cover 21 is provided with a stroke interval 214, the operating rod 40 makes reciprocating action in the stroke interval 214 to switch the unlocking and locking states, and the operating rod 40 is actuated once in the stroke interval 214 to complete the unlocking of the rotary switch, and is reset once to complete the locking of the rotary switch.
[0029] Specifically, the lower end of the lock slot 12 is provided with a guide part 121 facilitating insertion into the mounting ring 20, and the guide part 121 is obliquely arranged, so that the obliquely arranged guide part 121 facilitates insertion of the rotating handle 10.
[0030] Specifically, the operating rod 40 further comprises a through slot 42 arranged on one side, and the torsion spring 60 further comprises a spring leg one 61 and a spring leg two 62, wherein the spring leg one 61 is inserted into the through slot 42, and the spring leg two 62 is inserted into the clamping slot 211 of the upper cover 21, and the spring leg one 61 and the spring leg two 62 of the torsion spring 60 are respectively inserted into the through slot 42 and the clamping slot 211, so that the operating rod 40 is automatically reset under the action of the torsion spring 60 when rotating.
[0031] Specifically, the middle part of the wiring terminal 30 is provided with a rotating shaft 50, the rotating handle 10 is sleeved on the rotating shaft 50 to form linkage control, the rotating shaft 50 is engaged with the wiring terminal 30, and when the rotating shaft 50 rotates, the contact sheet at the upper end of the wiring terminal is driven to rotate to realize contact, the rotating handle 10 is sleeved on the rotating shaft 50 and is limited, so that when the rotating handle 10 rotates, the rotating shaft 50 is driven to rotate to achieve linkage effect.
[0032] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive in any respect, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A universal switch, characterized in that, It comprises: a terminal, a mounting ring and a rotating handle, the operating rod is rotatably arranged in the mounting ring, an annular ring is integrally formed in the operating rod, a torsion spring is arranged between the operating rod and the annular ring, a plurality of locking blocks are arranged in the inner ring of the operating rod, a connecting part is arranged at the lower end of the rotating handle, a locking groove is formed in the connecting part for inserting the locking blocks to limit the rotating handle.
2. The switch of claim 1, wherein: It also comprises an upper cover, the upper cover is provided with a positioning column, a mounting hole and a clamping groove on the side facing the lower seat, the positioning column is inserted into the lower seat, a fastening screw is arranged in the mounting hole, the fastening screw fastens the upper cover, the lower seat and the terminal.
3. The switch of claim 2, wherein: The upper cover is provided with a stroke interval, the operating rod reciprocates in the stroke interval to switch between the unlocking and locking states.
4. The switch of claim 1, wherein: The lower end of the locking groove is provided with a guide part for facilitating insertion into the mounting ring, and the guide part is arranged obliquely.
5. The switch of claim 1, wherein: The operating rod further comprises a through slot arranged on one side, the torsion spring further comprises a spring leg one and a spring leg two, the spring leg one is inserted into the through slot, and the spring leg two is inserted into the clamping groove of the upper cover.
6. The switch of claim 1, wherein: A rotating shaft is arranged in the middle of the terminal, and the rotating handle is sleeved on the rotating shaft to form a linkage control.