A simple and efficient drawer operating mechanism

By designing a limiting mechanism and using the pull ring to drive the rotating plate and rotating column, the drawer can be simply and efficiently limited and pulled out, solving the complex problems of the existing drawer operating mechanism and improving the convenience and stability of operation.

CN109346970BActive Publication Date: 2025-09-05NINGBO JINGYAN ELECTROMECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN201811324190.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2018-11-08
Publication Date
2025-09-05
Estimated Expiration
2038-11-08

AI Technical Summary

Technical Problem

The existing drawer operating mechanism is too complicated to achieve simple and efficient pushing and pulling functions.

Method used

A limit mechanism is designed, which drives the rotating plate to rotate through the pull ring, and the rotating plate drives the rotating column to rotate. The rotating column drives the limit slider to move up and down through the transmission connecting rod. The limit slider is inserted into or out of the limit slot under the action of the reset mechanism to realize the limitation and withdrawal of the drawer.

Benefits of technology

The drawer operation process is simplified, the simplicity and efficiency of operation are improved, the friction is reduced, and the drawer can be stably limited and easily pulled out.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN109346970B_ABST
    Figure CN109346970B_ABST
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Abstract

The present invention discloses a simple and efficient drawer operating mechanism, comprising a drawer body, wherein the drawer body cooperates with the mounting groove on the mounting body, a drawer head plate is provided at the right end of the drawer body, an auxiliary fixing plate is provided at the right end of the mounting body where the drawer head plate is located, and a limiting mechanism is provided between the drawer head plate and the auxiliary fixing plate. The present invention has a simple and reasonable structure, and the rotating plate is driven to rotate by the pull ring, and the rotating plate drives the rotating column to rotate, and the rotating column drives the limiting slider to move up and down through the transmission connecting rod. When moving downward, the limiting slider will disengage from the limiting slot. Under the action of the reset mechanism, the limiting slider is inserted into the limiting slot, thereby limiting the drawer body. Compared with the existing drawer structure, this drawer operating structure is simpler, more efficient and more practical.
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Description

Technical Field

[0001] The invention relates to the technical field of drawer lock devices, in particular to a simple and efficient drawer operating mechanism. Background Art

[0002] The existing drawer operating mechanism is the main component of the withdrawable switchgear. It plays the role of pushing and pulling out the drawer, opening and closing the circuit breaker, testing and isolating the auxiliary circuit, and locking many other functions. It is a comprehensive technical embodiment of the quality and performance of the entire switchgear.

[0003] However, the drawer operation result is still too complicated. In view of this situation, a simple and efficient drawer operating mechanism is now provided. Summary of the Invention

[0004] The object of the present invention is to provide a simple and efficient drawer operating mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A simple and efficient drawer operating mechanism includes a drawer body, which cooperates with a mounting groove on a mounting body, a drawer head plate is provided at the right end of the drawer body, an auxiliary fixing plate is provided at the right end of the mounting body where the drawer head plate is located, and a limiting mechanism is provided between the drawer head plate and the auxiliary fixing plate.

[0007] As a further solution of the present invention: the limit mechanism includes a rotating plate located on the right end surface of the drawer head plate, the drawer head plate is provided with a rotating bearing that cooperates with the rotating plate, and the right end surface of the rotating plate is provided with a pull ring, the drawer head plate where the rotating plate is located is provided with a transmission cavity, the upper end of the transmission cavity is provided with a sliding hole, and the sliding hole slides with a limit slider, and the auxiliary fixed plate where the sliding hole is located is provided with a limit slot. A rotating column is provided at the middle position of the left side of the rotating plate, and a reset mechanism is provided between the rotating column and the transmission cavity. A driving rod is provided on the left side of the rotating column, and a transmission connecting rod is rotatably connected to the driving rod. The lower end of the limit slider is provided with a tail rod, and the tail rod is rotatably connected to the upper end of the transmission connecting rod, and the rotating plate is driven to rotate by the pull ring, and the rotating plate drives the rotating column to rotate, and the rotating column drives the limit slider up and down through the transmission connecting rod. When moving downward, the limit slider will disengage from the limit slot.

[0008] As a further solution of the present invention: the upper end of the limit sliding block is triangular, and the inclined surface faces the left side.

[0009] As a further solution of the present invention: the reset mechanism includes side rods symmetrically arranged on the upper and lower sides of the rotating column, and the side rods are connected and fixed to the inner wall of the transmission cavity through a reset spring.

[0010] As a further solution of the present invention: a protective sleeve is provided on the outside of the pull ring.

[0011] As a further solution of the present invention: a sliding groove is provided in the mounting groove at the bottom of the drawer body, and a number of pulleys arranged at equal intervals are provided in the sliding groove. The top of the pulley is higher than the bottom of the mounting groove. The pulley is fixed in the sliding groove through a fixed rotating shaft. The pulley will support the drawer body, thereby reducing the friction between the drawer body and the sliding groove, making it convenient to pull out the drawer body.

[0012] Compared with the prior art, the beneficial effects of the present invention are: the present invention has a simple and reasonable structure, the pull ring drives the rotating plate to rotate, the rotating plate drives the rotating column to rotate, and the rotating column drives the limit slider to move up and down through the transmission connecting rod. When moving downward, the limit slider will disengage from the limit slot. Under the action of the reset mechanism, the limit slider is inserted into the limit slot, thereby limiting the drawer body. Compared with the existing drawer structure, this drawer operating structure is simpler, more efficient and more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural diagram of Example 1 of the present invention.

[0014] Figure 2 It is a structural schematic diagram of the rotating plate in the present invention.

[0015] Figure 3 This is a structural diagram of Example 2 of the present invention.

[0016] Among them: mounting body 1, mounting groove 2, drawer body 3, auxiliary fixing plate 4, drawer head plate 5, rotating bearing 6, rotating plate 7, pull ring 8, rotating column 9, limit slider 10, limit slot 11, sliding hole 12, tail rod 13, transmission connecting rod 14, drive rod 15, side rod 16, transmission cavity 17, return spring 18, sliding groove 19, pulley 20. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] Example 1

[0019] See also Figures 1-2, In the embodiment of the present invention, a simple and efficient drawer operating mechanism includes a drawer body 3, the drawer body 2 cooperates with the mounting groove 2 on the mounting body 1, the right end of the drawer body 2 is provided with a drawer head plate 5, and the right end of the mounting body 1 where the drawer head plate 5 is located is provided with an auxiliary fixing plate 4, and a limit mechanism is provided between the drawer head plate 5 and the auxiliary fixing plate 4, and the limit mechanism includes a rotating plate 7 located on the right end surface of the drawer head plate 5, a rotating bearing 6 cooperating with the rotating plate 7 is provided on the drawer head plate 5, a pull ring 8 is provided on the right end surface of the rotating plate 7, and a protective cover is provided on the outside of the pull ring 8. A transmission cavity 17 is provided inside the drawer head plate 5 where the rotating plate 7 is located, and a sliding hole 12 is provided at the upper end of the transmission cavity 17, and a limiting slider 10 is slidably matched in the sliding hole 12. The upper end of the limiting slider 10 is triangular, and the inclined surface faces the left side. A limit slot 11 is provided, a rotating column 9 is provided at the middle position on the left side of the rotating plate 7, and a reset mechanism is provided between the rotating column 9 and the transmission cavity 17. The reset mechanism includes side rods 16 symmetrically arranged on the upper and lower sides of the rotating column 9, and the side rods 16 are connected and fixed to the inner wall of the transmission cavity 17 by a reset spring 18. A driving rod 15 is provided on the left side of the rotating column 9, and a transmission connecting rod 14 is rotatably connected to the driving rod 15. A tail rod 13 is provided at the lower end of the limit slider 10, and the tail rod 13 is rotatably connected to the upper end of the transmission connecting rod 14. The rotating plate 7 is driven to rotate by the pull ring 8, and the rotating plate 7 drives the rotating column 9 to rotate. The rotating column 9 drives the limit slider 10 up and down through the transmission connecting rod 14. When moving downward, the limit slider 10 will disengage from the limit slot 11. Under the action of the reset mechanism, the limit slider 10 is inserted into the limit slot 11, thereby limiting the drawer body 3.

[0020] Example 2

[0021] See also Figure 3 , which is different from Example 1: a sliding groove 19 is provided in the mounting groove 2 at the bottom of the drawer body 3, and a plurality of pulleys 20 are provided in the sliding groove 19 at equal intervals. The top of the pulley 20 is higher than the bottom of the mounting groove 2, and the pulley 20 is fixed in the sliding groove 19 through a fixed rotating shaft. The pulley 20 will support the drawer body 3, thereby reducing the friction between the drawer body 3 and the sliding groove 19, making it easier to pull out the drawer body 3.

[0022] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0023] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A simple and efficient drawer operating mechanism, comprising a drawer body (3), characterized in that: The drawer body (3) is matched with the mounting groove (2) on the mounting body (1); a drawer head plate (5) is provided at the right end of the drawer body (3); an auxiliary fixing plate (4) is provided at the right end of the mounting body (1) where the drawer head plate (5) is located; and a limiting mechanism is provided between the drawer head plate (5) and the auxiliary fixing plate (4); The limiting mechanism comprises a rotating plate (7) located on the right end face of the drawer head plate (5), a rotating bearing (6) matched with the rotating plate (7) is provided on the drawer head plate (5), a pull ring (8) is provided on the right end face of the rotating plate (7), a transmission cavity (17) is provided inside the drawer head plate (5) where the rotating plate (7) is located, a sliding hole (12) is provided at the upper end of the transmission cavity (17), a limiting slider (10) is slidably matched in the sliding hole (12), a limiting slot (11) is provided on the auxiliary fixing plate (4) where the sliding hole (12) is located, a rotating column (9) is provided at the middle position on the left side of the rotating plate (7), a reset mechanism is provided between the rotating column (9) and the transmission cavity (17), a driving rod (15) is provided on the left side of the rotating column (9), a transmission connecting rod (14) is rotatably connected to the driving rod (15), a tail rod (13) is provided at the lower end of the limiting slider (10), and the tail rod (13) is rotatably connected to the upper end of the transmission connecting rod (14); The reset mechanism comprises side rods (16) symmetrically arranged on the upper and lower sides of the rotating column (9), and the side rods (16) are connected and fixed to the inner wall of the transmission cavity (17) through a reset spring (18); The upper end of the limiting sliding block (10) is triangular, and the inclined surface faces the left side.

2. The simple and efficient drawer operating mechanism according to claim 1, characterized in that: A protective sleeve is provided on the outside of the pull ring (8).

3. The simple and efficient drawer operating mechanism according to claim 1, characterized in that: A sliding groove (19) is provided in the mounting groove (2) at the bottom of the drawer body (3), and a plurality of pulleys (20) are provided in the sliding groove (19) at equal intervals. The top of the pulley (20) is higher than the bottom of the mounting groove (2). The pulley (20) is fixed in the sliding groove (19) through a fixed rotating shaft, and the pulley (20) supports the drawer body (3).

Citation Information

Patent Citations

  • Low -voltage switchgear of fixed isolating construction

    CN207409913U

  • Simple and efficient drawer operating mechanism

    CN209233303U