A handle support assembly and a fuse-type disconnector
By designing a handle support component in the fuse-type disconnect switch, and using the combination of grooves and ribs, as well as the insertion of bosses and notches, the problem of handle loosening is solved, achieving higher operational reliability and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG TENGEN ELECTRIC
- Filing Date
- 2025-07-04
- Publication Date
- 2026-06-09
AI Technical Summary
The lack of an effective lateral limiting mechanism between the handle and support of existing fuse-type disconnect switches makes them prone to loosening when lateral force is applied, affecting operational reliability and safety.
A handle support component was designed, which adopts a horizontal sliding fit between the first groove and the first rib, combined with the plug-in design of the boss and the notch, and forms a stable lateral limiting structure and double mechanical locking through the installation method of the buckle and the slot.
The reliability of the handle operation has been improved, preventing left and right swinging and accidental loosening, thus enhancing the stability and safety of operation.
Smart Images

Figure CN224342225U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of low-voltage electrical technology, specifically to a handle support component and a fuse-type disconnect switch. Background Technology
[0002] As a key component in low-voltage power distribution systems, fuse-type disconnect switches integrate isolation and fuse protection functions, and their reliability and ease of operation are of paramount importance.
[0003] The opening and closing operations of existing fuse-type disconnect switches are achieved through a handle support assembly, which includes a handle and a handle support. However, in current designs, the connection structure between the handle and the support relies on a simple shaft-hole connection, lacking an effective lateral limiting mechanism. This causes the handle to easily swing left and right relative to the handle support or even accidentally detach during frequent operation or when lateral force is applied, affecting not only the user experience but also potentially leading to the risk of misoperation. Utility Model Content
[0004] Therefore, the technical problem to be solved by this utility model is to overcome the defect that the handle is easy to detach from the support when lateral force is applied in the prior art, thereby providing a highly reliable handle support assembly and a fuse-type disconnect switch.
[0005] Therefore, the present invention provides a handle support assembly, including a support member and a handle. The support member has at least one first groove on its side plate, the first groove extending in a horizontal direction; the handle has a first rib on its inner wall that is adapted to and connected to the first groove.
[0006] The first rib has a boss at its front end in the insertion direction, the support has a notch at the end of the first groove, and when the handle and the support are assembled, the boss is inserted into the notch.
[0007] The support member has a stop block located on the outside of the side panel, and the notch is formed between the stop block and the side panel.
[0008] There are multiple first slide grooves, which are distributed at intervals along the height direction of the support member. A second rib is provided between two adjacent first slide grooves. The front end of the second rib is provided with a slot. The handle has a second slide groove located on both sides of the first rib. The second slide groove is slidably connected to the second rib, and the end of the second slide groove is provided with an undercut that is adapted to the slot.
[0009] The buckle has guide ramps and blocking surfaces located on its two sides.
[0010] This utility model also provides a fuse-type disconnect switch, including the handle support assembly described above.
[0011] The technical solution of this utility model has the following advantages:
[0012] 1. The handle support assembly provided by this utility model forms a stable lateral limiting structure through the horizontal sliding cooperation of the first groove and the first protruding rib. After assembly, the protruding rib is embedded in the groove, directly resisting the left and right swing of the handle and improving reliability.
[0013] 2. The handle support component provided by this utility model has a double mechanical locking design with the insertion of the boss and the notch, which further resists the left and right swing of the handle and improves reliability.
[0014] 3. The handle support component provided by this utility model has a push-in self-locking function through the inverted buckle and slot installation method, making installation faster and more convenient. Attached Figure Description
[0015] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0016] Figure 1 This is a perspective view of the handle support component of this utility model;
[0017] Figure 2 An exploded view of the handle support components;
[0018] Figure 3 First perspective view of the support component;
[0019] Figure 4 A second perspective view of the support component;
[0020] Figure 5 This is a 3D view of the handle.
[0021] Explanation of reference numerals in the attached drawings: 1. Support component; 2. Side panel; 3. First slide groove; 4. Handle; 5. First rib; 6. Boss; 7. Notch; 8. Stop; 9. Second rib; 10. Slot; 11. Undercut; 12. Second slide groove; 13. Guide slope; 14. Blocking surface. Detailed Implementation
[0022] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0025] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.
[0026] Example
[0027] This embodiment provides a fuse-type disconnect switch, including a handle support assembly, such as... Figure 1 and Figure 2 As shown, the handle support assembly includes a support 1 and a handle 4.
[0028] Support Component 1, such as Figure 3 As shown, it has multiple first sliding grooves 3 on its side panels 2, the first sliding grooves 3 extending horizontally, and the support member 1 also has a stop 8 on the outside of the side panel 2, such as... Figure 4 As shown, a notch 7 is formed between the stop block 8 and the side panel 2. A plurality of first sliding grooves 3 are distributed at intervals along the height direction of the support member 1, and a second rib 9 is provided between two adjacent first sliding grooves 3, and a slot 10 is provided at the front end of the second rib 9.
[0029] Handle 4, such asFigure 5 As shown, it has a first protruding rib 5 on its inner wall, which is adapted to and connected to the first sliding groove 3. The first protruding rib 5 has a boss 6 at its front end in the insertion direction. The handle 4 has a second sliding groove 12 located on the upper and lower sides of the first protruding rib 5. The second sliding groove 12 is slidably connected to the second protruding rib 9, and the end of the second sliding groove 12 is provided with a buckle 11 adapted to and connected to the slot 10. The buckle 11 has a guide slope 13 and a blocking surface 14 respectively provided on its two sides. When the handle 4 is assembled with the support member 1, the first protruding rib 5 is inserted into the first sliding groove 3 until the boss 6 at the front end of the first protruding rib 5 is inserted into the notch 7 at the end of the first sliding groove 3, and the buckle 11 is engaged in the slot 10.
[0030] The handle support assembly provided by this utility model forms a stable lateral limiting structure through the horizontal sliding cooperation of the first groove 3 and the first rib 5. After assembly, the rib is embedded in the groove to directly resist the left and right swing of the handle 4. The insertion design of the boss 6 and the notch 7 forms a double mechanical lock to further resist the left and right swing of the handle, thereby improving reliability.
[0031] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.
Claims
1. A handle support component, characterized in that, include: The support member (1) has at least one first groove (3) provided on its side panel (2), the first groove (3) extending in a horizontal direction; The handle (4) has a first rib (5) located on its inner wall and adapted to be connected to the first slide groove (3).
2. The handle support assembly according to claim 1, characterized in that, The first rib (5) has a boss (6) at its front end in the insertion direction, and the support member (1) has a notch (7) at the end of the first groove (3). When the handle (4) and the support member (1) are assembled, the boss (6) is inserted into the notch (7).
3. The handle support assembly according to claim 2, characterized in that, The support member (1) has a stop (8) located on the outside of the side panel (2), and the notch (7) is formed between the stop (8) and the side panel (2).
4. The handle support assembly according to any one of claims 1-3, characterized in that, There are multiple first slide grooves (3), and the multiple first slide grooves (3) are distributed at intervals along the height direction of the support member (1). A second rib (9) is provided between two adjacent first slide grooves (3). A slot (10) is provided at the front end of the second rib (9). The handle (4) has a second slide groove (12) located on both sides of the first rib (5). The second slide groove (12) is slidably connected to the second rib (9), and the end of the second slide groove (12) is provided with a buckle (11) adapted to be connected to the slot (10).
5. The handle support assembly according to claim 4, characterized in that, The buckle (11) has guide ramps (13) and blocking surfaces (14) on its two sides.
6. A fuse-type disconnect switch, characterized in that, Includes the handle support component as described in any one of claims 1-5.