Handcart type switch cabinet handcart locking mechanism

By designing a limit device, the handcart-type switchgear achieves simultaneous locking at both ends of the handcart body, solving the problem that existing locking devices can only lock on one side. The structure is simple and highly stable.

CN223583602UActive Publication Date: 2025-11-21SHANGQIU YUDONG POWER GENERATION
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Patent Information

Application Number
CN202422714956.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-11-21
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

The existing locking devices for handcart-type switchgear can only lock one side, resulting in a complex structure and low stability.

Method used

A limiting device is adopted, including a handle, a connecting rod, a connecting plate, and a limiting rod. The locking operation at both ends of the handcart body is achieved by rotating the handle and the connecting rod. The cooperation between the limiting rod and the connecting plate prevents the connecting rod from moving and increases the connection strength.

Benefits of technology

It achieves simultaneous locking at both ends of the handcart body, has a simple structure, and the rotating handle facilitates locking and unlocking, ensuring the stability of the handcart when pulled out, and has a locking status indication function.

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Abstract

The utility model discloses a handcart type switch cabinet handcart locking mechanism which comprises a limiting device arranged on a handcart body and a limiting groove arranged on the side wall of a switch cabinet. The limiting device comprises a handle, a connecting rod, connecting plates and limiting rods, the connecting rod is located in the handcart body, the length of the connecting rod is matched with that of the handcart body, the connecting rod is rotationally connected with the handcart body through the two connecting plates, the limiting rods are arranged at the two ends of the connecting rod and are adjacent to the connecting plates, one end of the connecting rod is connected with the handle located outside the handcart body, and the other end of the connecting rod is connected with the connecting plates. One side of the handcart body parallel to the connecting rod is provided with a through hole through which the limiting rod passes during rotation; the locking device is improved on the basis of an existing handcart, locking operation can be completed only through the handle, the connecting rod, the connecting plate, the limiting rod and the limiting groove, the structure is simple, locking and unlocking operation can be achieved on the front side and the rear side of the handcart by rotating the handle, and the handcart can be pulled out of a switch cabinet by pulling the handle.
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Description

TECHNICAL FIELD

[0001] The utility model relates to switch cabinet technical field especially, and it is a kind of handcart type switch cabinet handcart locking mechanism. BACKGROUND

[0002] Handcart type switch cabinet is an important electrical equipment, it is to fix circuit breaker first on a handcart, then push handcart into corresponding switch cabinet, for the convenience of handcart push in and push out, the bottom of above-mentioned handcart is generally installed with gyro wheel, it is convenient for handcart push in and push out, simultaneously in order to prevent handcart in switch cabinet from sliding out switch cabinet, corresponding locking position is set on handcart in switch cabinet, handcart is connected with switch cabinet, but the existing locking device structure is complex, for example, the patent of authorized announcement No.CN108471075B discloses a locking device, and it can only connect one end of handcart, the other end is in non-connected state when using, and connection stability is not high. SUMMARY

[0003] The utility model solves the technical problems that existing handcart locking mechanism can only lock one side, and the structure is complex.

[0004] To solve the above technical problems, the utility model provides a technical scheme, which is a handcart type switch cabinet handcart locking mechanism, characterized by comprising limiting device arranged on handcart body and limiting slot arranged on side wall of switch cabinet.

[0005] The limiting device comprises a handle, a connecting rod, a connecting plate and a limiting rod, the connecting rod is located in the handcart body and its length matches the length of the handcart body, the connecting rod is rotatably connected to the handcart body through two connecting plates, both ends of the connecting rod are provided with the limiting rods, and the limiting rods are adjacent to the connecting plates, one end of the connecting rod is connected to the handle located outside the handcart body, and one side of the handcart body parallel to the connecting rod is provided with a through hole for the limiting rod to rotate.

[0006] Further, the handle and the limiting rod are oriented in the same direction on the connecting rod.

[0007] Further, the connecting plate is located between the two limiting rods, or the limiting rod is located between the two connecting plates.

[0008] Further, the connecting plate is located between the two limiting rods, or the limiting rod is located between the two connecting plates.

[0009] The utility model has the advantages that:

[0010] The locking device is improved on the basis of the existing handcart, and only the handle, the connecting rod, the connecting plate, the limiting rod and the limiting groove are needed to simultaneously lock the two ends of the handcart body, the structure is simple, the rotating handle can not only realize the locking and unlocking operations, but also can pull the handcart out of the switch cabinet by pulling the handle, the orientations of the handle and the limiting rod on the connecting rod are same, the orientation of the limiting rod is determined by the orientation of the handle, and then whether the limiting rod is in the limiting groove is determined, and the locking state indicating function is realized, the connecting plate is between the two limiting rods or the limiting rod is between the two connecting plates, the movement of the connecting rod in the axial direction is prevented through the limiting between the limiting rod and the connecting plate, the limiting rod is always corresponding to the through hole, the locking operation is facilitated, and the handcart can be pulled out of the switch cabinet through the pulling force of the connecting rod, the connecting plates are arranged on the two sides of the limiting rod close to the handle and in contact with the limiting rod, the connecting strength of the connecting rod and the handcart is increased when the handcart is pulled out through the pull rod, and the pulling stability is ensured.

[0011] In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are taken as examples, and the following detailed description is made in combination with the accompanying drawings. DRAWINGS

[0012] In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are taken as examples, and the following detailed description is made in combination with the accompanying drawings.

[0013] Figure 1 It is a structural schematic view of the utility model.

[0014] Figure 2 It is a structural schematic view of the connecting rod, the limiting rod and the connecting plate.

[0015] Figure 3 It is a structural schematic view when being locked.

[0016] Figure 4 It is a structural schematic view of the handcart body.

[0017] Figure 5 It is a structural schematic view of the handcart body and the switch cabinet.

[0018] In the drawing, 1-limiting groove, 2-handle, 3-connecting rod, 4-connecting plate, 5-limiting rod, 6-through hole; A-handcart body; B-switch cabinet. DETAILED DESCRIPTION

[0019] Embodiments of the present application will be described in more detail below with reference to the drawings. Although certain embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein, but rather these embodiments are provided so as to more completely and thoroughly understand the present application. It is understood that the drawings and embodiments of the present application are for illustrative purposes only and are not intended to limit the scope of protection of the present application.

[0020] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood in a broad sense, for example, can be fixed connection, or can be detachable connection, or can be integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application by the person skilled in the art.

[0021] The names of the messages or information exchanged between the plurality of devices in the embodiments of the present application are only for illustrative purposes, and are not intended to limit the scope of the messages or information. Embodiment one

[0022] As shown in Figures 1-2 A handcart type switch cabinet handcart locking mechanism, comprising a limiting device arranged on a handcart body A and a limiting groove 1 arranged on the side wall of a switch cabinet B;

[0023] The limiting device comprises a handle 2, a connecting rod 3, a connecting plate 4 and a limiting rod 5, the connecting rod 3 is in the handcart body A and its length matches the length of the handcart body A, the connecting rod 3 is rotatably connected with the handcart body A through two connecting plates 4, both ends of the connecting rod 3 are provided with limiting rods 5, and the limiting rods 5 are adjacent to the connecting plates 4, one end of the connecting rod 3 is connected with the handle 2 outside the handcart body A, and one side of the handcart body A parallel to the connecting rod 3 is provided with a through hole 6 through which the limiting rod 5 rotates; the handle 2, the connecting rod 3 and the limiting rod 5 can rotate around the axis of the connecting rod 3, and the handle 2 can not only realize locking and unlocking operation, but also can pull out the handcart body A from the switch cabinet B by pulling the handle 2.

[0024] Among them, the connecting plate 4 is between the two limiting rods 5 or the limiting rod 5 is between the two connecting plates 4; through the limiting between the limiting rod 5 and the connecting plate 4, the movement of the connecting rod 3 along the axial direction is prevented, so that the limiting rod 5 corresponds to the through hole 6 at all times, which is convenient for locking operation, and also facilitates the realization of pulling out the handcart from the switch cabinet B by the pulling force of the connecting rod 3. Embodiment two

[0025] As Figure 1 and 2 shown, the embodiment is on the basis of embodiment one to handle 2 and limit rod 5 and other technical features are described in detail obtained, the remaining technical features with embodiment one is same, same place, do not make superfluous repetition here, wherein, the embodiment and embodiment one The difference is that the handle 2 and the limit rod 5 on the connecting rod 3 is the same.

[0026] In this embodiment, the handle 2 and the limit rod 5 on the connecting rod 3 is the same, the orientation of handle 2 can determine the orientation of limit rod 5, and further determine whether the limit rod 5 is in the limit slot 1, play the locking state indication function, handle 2 and connecting rod 3 perpendicular, convenient to catch handle 2 handle car body A pull out. Embodiment three

[0027] As Figure 1 and 2 shown, the embodiment is on the basis of embodiment two to increase connecting plate 4 and other technical features obtained, the remaining technical features with embodiment two is same, same place, do not make superfluous repetition here, wherein, the embodiment and embodiment two The difference is that the limit rod 5 both sides are provided with the connecting plate 4 and contact.

[0028] In this embodiment, the limit rod 5 is clamped and contacted by two connecting plates 4, which does not affect the rotation of the connecting rod 3 and the limit rod 5, and increases the connection strength of the connecting rod 3 and the handle car body A when pulling out the handle car body A, to ensure the stability of pulling out.

[0029] The overall technical scheme formed by the above embodiments is used in the process: when the trolley body A is pushed into the switch cabinet B, the handle 2 is rotated to drive the connecting rod 3 and the limit rod 5 to rotate together, the limit rod 5 is rotated into the limit slot 1 through the through hole 6, and is kept in the locking state under the action of its own gravity, at this time, the handle 2 and the limit rod 5 are in horizontal state, the locking operation of the handle car body A is completed; when the handle car body A needs to be taken out from the switch cabinet B, the handle 2 is rotated reversely, the limit rod 5 is moved out of the limit slot 1, at this time, the handle 2 and the limit rod 5 are in vertical upward state, the handle 2 is pulled outward, and the handle car body A is pulled out from the switch cabinet B under the action of the connecting plate 4 and the limit rod 5.

[0030] It should be noted that the above only the preferred embodiments of the present application and the use of technical principles. Those skilled in the art will understand that the present application is not limited to the specific embodiments here, those skilled in the art can be made various obvious changes, re-adjustment and replacement without departing from the scope of the present application. Therefore, although the above embodiments of the present application has been described in more detail, but the present application is not limited to the above examples, without departing from the concept of the present application, but also can include more other equivalent embodiments, and the scope of the present application is determined by the appended claims.

Claims

1. A handcart switchgear handcart locking mechanism, characterized in that: The limiting device is arranged on the handcart body, and the limiting slot is arranged on the side wall of the switch cabinet. The limiting device comprises a handle, a connecting rod, connecting plates and limiting rods, the connecting rod is arranged in the handcart body and has a length matching the length of the handcart body, the connecting rod is rotatably connected to the handcart body through two connecting plates, the two ends of the connecting rod are provided with the limiting rods, the limiting rods are adjacent to the connecting plates, one end of the connecting rod is connected to the handle arranged outside the handcart body, and a through hole is arranged on the side of the handcart body parallel to the connecting rod and used for the limiting rods to pass through when rotating.

2. The handcart type switchgear handcart locking mechanism according to claim 1, characterized in that: The handle and the limiting rods have the same orientation on the connecting rod.

3. The handcart type switchgear handcart locking mechanism according to claim 1, characterized in that: The connecting plates are arranged between the two limiting rods, or the limiting rods are arranged between the two connecting plates.

4. The handcart type switchgear handcart locking mechanism according to claim 1, characterized in that: The connecting plates are arranged on the two sides of the limiting rods and in contact with the limiting rods.

Citation Information

Patent Citations

  • A handcart-type circuit breaker and a switchgear using the handcart-type circuit breaker

    CN108471075B