Handle sleeve and low-voltage switchgear

Abstract

The utility model discloses a wind and sand prevention handle sleeve and low-voltage switch equipment in the technical field of low-voltage electric appliance component equipment. The handle sleeve comprises a cover plate with the covering area larger than an opening of a handle groove, and an annular feature is arranged on the inner side of the upper portion of the cover plate; the shape of the inner side of the annular feature is matched with the shape of a handle part on the upper portion of the handle in a sleeved mode, the size of the inner side of the annular feature is smaller than the width of a handle groove, the inner side of the cover plate is provided with a plugging part for supporting the two sides of the handle groove, the low-voltage switchgear comprises a panel and the handle, the panel is provided with the handle groove, and the handle moves in the handle groove. According to the energy storage switch cabinet, the problem that the energy storage operation of the switch cabinet is affected by sand wind in the desert environment in the prior art is solved, and the beneficial effects that the space is reasonably utilized, the structure is simplified, and the universality is improved are achieved.

Description

Technical Field

[0001] This application relates to the field of low-voltage electrical components and equipment technology, specifically to a windproof and sandproof handle sleeve and a low-voltage switchgear for low-voltage electrical equipment. Background Technology

[0002] With the rapid development of the new energy power generation industry, the photovoltaic industry is gradually increasing its share in the overall energy structure. The harsh application environment also places higher demands on low-voltage electrical components. Deserts, with their long hours of sunshine and strong ultraviolet radiation, are common locations for photovoltaic power generation. To ensure good heat dissipation, switchgear is usually not enclosed, and the energy storage handle in the switchgear is a moving part that often requires manual energy storage during operation. Because there is a gap between the handle and the cover, wind and sand can easily enter the product through this gap, affecting the operation of the operating mechanism. Simultaneously, sand accumulation in the gap affects energy storage operation. The usual solution is to add a cover directly to the outside of the handle slot on the panel, but this is prone to detaching from the entire product. If it cannot fit snugly against the product, it cannot provide wind and sand protection. If it needs to fit snugly, features such as clips need to be added to the side, requiring modification of the original product's handle slot side mold, resulting in poor versatility. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this application provides a handle sleeve and a low-voltage switchgear to solve the problem of wind and sand affecting the energy storage operation of switchgear in desert environments.

[0004] To achieve the above objectives, this application provides the following technical solution:

[0005] A handle cover includes a cover plate with a coverage area larger than the handle groove opening. The upper inner side of the cover plate is provided with an annular feature. The inner shape of the annular feature fits the handle shape of the upper part of the handle and the outer width is smaller than the handle groove width. The inner side of the cover plate is provided with an insert portion that supports both sides of the handle groove.

[0006] Preferably, the insertion portion includes a top rib feature disposed on the annular feature, the bottom of the top rib feature being used to abut against the top of the handle, and the top being used to abut against the lower edge of the top surface of the handle groove.

[0007] Preferably, the insertion part includes edge-fitting ribs on both sides of the inner side of the cover plate, and the edge-fitting ribs are respectively attached to the two sides of the handle groove.

[0008] Preferably, the insertion part includes a bottom plug feature composed of several horizontal and vertical ribs on the lower inner side of the cover plate, and the bottom of the bottom plug feature abuts against the lower edge of the bottom surface of the handle groove.

[0009] Preferably, the outer side of the end of the edge reinforcement feature is provided with a first chamfer feature.

[0010] Preferably, the top rib feature has inward-curving features on the upper and lower sides of its characteristic edge.

[0011] Preferably, the bottom edge of the longitudinal rib of the bottom plug is provided with an inwardly recessed feature.

[0012] Preferably, the inner sides of both ends of the bottom plug feature rib are provided with a second chamfer feature.

[0013] Preferably, a handle is provided on the upper outer side of the cover plate.

[0014] Based on the same inventive concept, this application also discloses a low-voltage switchgear, including a panel and a handle. The panel has a handle groove, and the handle moves in the handle groove. It also includes the aforementioned handle sleeve, which is fitted onto the handle and a cover plate is closed in front of the handle groove and completely closes the handle groove.

[0015] Compared with the prior art, the advantages of this solution are as follows: by fixing the handle sleeve to the handle, this application ensures that the handle can work normally and is not affected by wind and sand. The structure is simple, makes reasonable use of space, has wind and sand protection function and is reliable. It overcomes the defects of the prior art, avoids large-scale mold repair of the panel, enhances the versatility of the handle sleeve, and meets the new requirements put forward by the new application environment. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the windproof and sandproof handle sleeve being removed according to an embodiment of the circuit breaker of this application;

[0017] Figure 2 This is a perspective view of an embodiment of the sand-proof handle sleeve of this application;

[0018] Figure 3 A side view schematic diagram of an embodiment of the sand-proof handle sleeve with added handle according to this application;

[0019] Among them, 1-handle sleeve, 10-cover plate, 11-top rib feature, 111-inward retraction feature, 12-ring feature, 13-edge rib feature, 131-first chamfer feature, 14-bottom plug feature, 141-inward retraction feature, 142-second chamfer feature, 15-handle, 2-panel, 21-handle groove, 3-handle. Detailed Implementation

[0020] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0021] This embodiment provides a technical solution: a sand-proof handle cover 1, comprising a cover plate with a coverage area larger than the handle groove opening. An annular feature 12 is provided on the inner side of the upper part of the cover plate. The inner shape of the annular feature 12 fits the handle portion of the upper part of the handle 3 and its size is smaller than the width of the handle groove 21. An insert portion supporting both sides of the handle groove 21 is provided on the inner side of the cover plate. The annular feature 12 fits onto the handle 3, preventing the upper part of the entire handle cover 1 from detaching from the product, thus preventing the sand-proof function from failing. In this embodiment, the annular feature 12 is closed; however, when the strength of the annular feature 12 is appropriate, the front end of the annular feature 12 can also be open. The detachable handle cover 1 also facilitates individual cleaning.

[0022] The insertion part in this embodiment includes a top rib feature 11 disposed on the annular feature 12. The bottom of the top rib feature 11 abuts against the top of the handle 3, and the top of the top rib abuts against the lower edge of the top surface of the handle groove 21. The top rib feature 11 is mainly used for limiting the position. When the annular feature 12 is fitted into the appropriate position on the upper end of the handle 3, the top rib feature 11 can be locked above the handle 3 to determine the relative position of the handle sleeve 1 and the handle 3. The top of 11 just contacts the upper end of the handle groove 21 and plays a fixing role. If other insertion features can determine the relative position of the handle sleeve 1 and the handle 3, this feature can also be omitted or its height reduced. In order to make insertion smoother, the top rib feature 111 is provided with inward features 111 on the upper and lower sides of its end edge. That is, the longitudinal dimension of the far end of the top rib 11 is smaller than the longitudinal dimension of the near end of the top rib 11. The inward feature 111 can be a straight line or slightly curved.

[0023] In this embodiment, the insertion part also includes edge-fitting ribs 13 on both sides of the inner side of the cover plate, which are respectively attached to the two sides of the handle groove 21. These ribs support the two sides of the handle groove 21 when the handle sleeve 1 closes the handle groove 21, making the handle sleeve 1 more securely fixed. To facilitate insertion, a first chamfer feature 131 is provided on the outer side of the ends of the two edge-fitting ribs 13, serving both a guiding and fixing function. This first chamfer feature 131 can be a straight chamfer or an arc chamfer.

[0024] In this embodiment, the insertion part also includes a bottom plug feature 14 composed of several horizontal and vertical ribs on the lower inner side of the cover plate. The bottom of the bottom plug feature 14 abuts against the lower edge of the bottom surface of the handle groove 21. To facilitate insertion, an inwardly recessed feature 141 is provided on the inner side of the bottom edge of the vertical rib of the bottom plug feature 14. The inwardly recessed feature 141 can be a straight line or slightly curved. A second chamfer feature 142 is provided on the inner side of both ends of the horizontal rib of the bottom plug feature 14. The second chamfer feature 142 can be a straight angle or an arc chamfer. In this embodiment, the upper inner curve of the vertical rib of the bottom plug feature 14 also fits with the lower outer curve of the handle 3, so that the lower outer side of the handle 3 provides better support for the upper inner side of the vertical rib of the bottom plug feature 14, and the hand feels less hollow when pushed in. After the handle sleeve 1 fits the shape of the handle 3, it is placed in the handle groove 21. The space on the outer side of the handle groove 21 is relatively large, so the handle sleeve 1 is not easy to fall off after being placed.

[0025] In operation, the handle 3 is located within the handle slot 21, and the handle sleeve 1 is installed in the handle slot 21, effectively protecting the handle 3. Before energy storage, the handle sleeve 1 is removed, and the energy storage operation proceeds normally. After energy storage, the handle sleeve 1 is reattached to the handle 3. First, gently pull the handle 3 out, then place the annular feature 12 at the upper end of the handle sleeve 1 onto the handle 3. Next, return the handle 3 to the product, inserting the middle edge rib feature 13 and the lower bottom plug feature 14 into the handle slot 21 respectively to complete the assembly. To remove, pull the upper end of the handle sleeve 1 slightly outwards. Since pulling the handle 3 outwards requires minimal force, the upper end of the handle sleeve 1 will first disengage from the handle slot 21, allowing the handle sleeve 1 to be removed from the handle 3. If pulling the handle 3 outwards requires greater force, another embodiment shows that a handle 15 can be provided on the upper outer side of the cover plate. In this embodiment, the handle 15 is a longitudinal handle, but it can also be a transverse handle, with no directional limitation.

[0026] It should be noted that the removal and unloading methods may not be as described above. For example, after appropriate size calculation, a notch may be left on the handle sleeve 1 so that the height of the annular feature 12 is less than the height of the gap above. The handle can be removed and unloaded by lifting upwards or by pulling outwards directly using the opening of the annular feature 12, etc.

[0027] Based on the same inventive concept, this application also discloses an embodiment of a low-voltage switchgear. The low-voltage switchgear can be a disconnecting switch or a circuit breaker with a controller mutual inductor. This embodiment is a universal circuit breaker, including a panel 2 and a handle 3. The panel 2 has a handle groove 21, and the handle 3 moves longitudinally in the handle groove 21. It also includes the aforementioned windproof and sandproof handle sleeve 1. The handle sleeve 1 is fitted on the handle 3 and the cover plate is closed in front of the handle groove 21 and completely closes the handle groove 21.

[0028] In the description of this application, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "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 application 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 on this application. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] The above description is only a preferred embodiment of the present solution, but the scope of protection claimed by the present solution is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and inventive concept of this application, should be included within the scope of protection of this application.

Claims

1. A handle cover, comprising a cover plate (10) with a coverage area larger than the opening of a handle groove (21), characterized in that: The inner side of the upper part of the cover plate is provided with an annular feature (12). The inner shape of the annular feature (12) fits the shape of the handle (3) and the outer width is smaller than the width of the handle groove (21). The inner side of the cover plate is provided with a plug-in part that supports both sides of the handle groove (21).

2. The handle sleeve according to claim 1, characterized in that: The insertion part includes a top rib feature (11) disposed on the annular feature (12), the bottom of the top rib feature (11) is used to abut against the top of the handle (3), and the top is used to abut against the lower edge of the top surface of the handle groove (21).

3. The handle sleeve according to claim 1, characterized in that: The insertion part includes edge-fitting features (13) on both sides of the inner side of the cover plate, and the edge-fitting features (13) are respectively attached to the two sides of the handle groove (21).

4. The handle sleeve according to claim 1, characterized in that: The insertion part includes a bottom plug feature (14) composed of several horizontal and vertical ribs on the lower part of the inner side of the cover plate, and the bottom of the bottom plug feature (14) abuts against the lower edge of the bottom surface of the handle groove (21).

5. The handle sleeve according to claim 3, characterized in that: The outer side of the end of the edge reinforcement feature (13) is provided with a first chamfer feature (131).

6. The handle sleeve according to claim 2, characterized in that: The top reinforcement feature (11) has inward-retracting features (111) on the upper and lower sides of its end edge.

7. The handle sleeve according to claim 4, characterized in that: The bottom plug feature (14) has an inwardly recessed feature (141) on the inner side of the bottom edge of the longitudinal rib.

8. The handle sleeve according to claim 4, characterized in that: The bottom plug feature (14) has a second chamfer feature (142) on the inner side of both ends of the transverse rib.

9. The handle sleeve according to claim 1, characterized in that: A handle (15) is provided on the outer upper part of the cover plate.

10. A low-voltage switchgear, comprising a panel (2) and a handle (3), wherein the panel (2) has a handle groove (21) and the handle (3) moves within the handle groove (21), characterized in that: It also includes the handle sleeve (1) according to any one of claims 1-9, the handle sleeve (1) being fitted onto the handle (3) and the cover plate being closed in front of the handle groove (21) and completely closing the handle groove (21).

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