Square magnetic shell

By designing a limiting structure for the square magnetic shell, the problem of loosening of fastening bolts during elevator vibration was solved, achieving a stable connection of the electromagnet and improving the operational safety and reliability of the elevator.

CN223752178UActive Publication Date: 2026-01-02YUHUAN HAHUI MACHINERY CO LTD
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Patent Information

Application Number
CN202520413002.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-02
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

The existing electromagnet housing lacks a bolt limiting mechanism, which causes the bolts to loosen during frequent elevator operation, affecting the stability of the electromagnet connection and potentially causing elevator malfunctions.

Method used

A square magnetic shell was designed, which includes a rectangular hole, a support plate, a spring, a fixing block, an arc plate, a limiting plate, and anti-slip protrusions. These components are used to limit and fix the fastening bolts to prevent them from loosening and falling off.

Benefits of technology

It effectively prevents the fastening bolts from loosening, ensures a reliable connection between the electromagnet and the magnetic shell, reduces elevator malfunctions, and improves safety and reliability.

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Abstract

The utility model provides a square magnetic shell, and belongs to the technical field of machinery. The problem that an existing electromagnet magnetic shell is poor in limiting is solved. The square magnetic shell comprises a shell body, a mounting groove is formed in the left side of the shell body, a round hole is formed in the right side of the shell body, mounting holes are formed in the rear side and the front side of the right side of the shell body, fastening bolts are movably connected to inner cavities of the mounting holes in a penetrating mode, and rectangular holes are formed in the bottom of the front side and the top of the rear side of the shell body; supporting plates are riveted to the top and the bottom of an inner cavity of the rectangular hole, springs are fixedly connected to the opposite sides of the supporting plates, fixing blocks are fixedly connected to the opposite ends of the springs, arc-shaped plates are fixedly connected to the opposite ends of the fixing blocks, limiting plates are riveted to the right sides of the arc-shaped plates, and anti-skid protrusions are arranged on the surfaces of the fastening bolts. The limiting device has the advantages of being stable in limiting and the like.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical technical field relates to a square magnetic shell. BACKGROUND

[0002] The elevator brake is a key component in the elevator safety system, mainly used for controlling the stopping and keeping of the elevator, and the magnetic shell is installed on the surface of the brake during installation and use. The magnetic shell can enhance the magnetic field generated by the electromagnet by utilizing the characteristics of the soft magnetic material, concentrate and optimize the magnetic field distribution, and make the electromagnet work better.

[0003] The existing electromagnet magnetic shell lacks a limiting mechanism for the fastening bolt during use, which leads to the fact that the fastening bolt cannot be effectively limited and fixed under the influence of continuous vibration generated by frequent daily operation of the elevator and various complex working conditions. The bolt is prone to looseness in the long run. Once the bolt loosens, the connection stability between the electromagnet and the magnetic shell will decrease, which will affect the normal operation of the electromagnet and even cause elevator operation failure. SUMMARY

[0004] The utility model discloses in view of above -mentioned problem in prior art, provided a square magnetic shell that can be effectively limited to fastening bolt, greatly enhance the stability of bolt under complex working conditions.

[0005] The utility model discloses a square magnetic shell, including the shell, the left side of shell is seted up with the installation slot, the right side of shell is seted up with the round hole, the rear side and the front side of shell right side are seted up with the mounting hole, the inner chamber of mounting hole is connected with fastening bolt through the activity, the bottom of shell front side and the top of rear side are seted up with the rectangular hole, the top and bottom of rectangular hole inner chamber all rivet with the support plate, the opposite side of support plate all is fixedly connected with the spring, the opposite end of spring all is fixedly connected with the fixed block, the opposite end of fixed block all is fixedly connected with the arc plate, the right side of arc plate rivet with the limit board, the surface of fastening bolt is provided with the anti -skid convex.

[0006] The utility model discloses a square magnetic shell, including the shell, the left side of shell is seted up with the installation slot, the right side of shell is seted up with the round hole, the rear side and the front side of shell right side are seted up with the mounting hole, the inner chamber of mounting hole is connected with fastening bolt through the activity, the bottom of shell front side and the top of rear side are seted up with the rectangular hole, the top and bottom of rectangular hole inner chamber all rivet with the support plate, the opposite side of support plate all is fixedly connected with the spring, the opposite end of spring all is fixedly connected with the fixed block, the opposite end of fixed block all is fixedly connected with the arc plate, the right side of arc plate rivet with the limit board, the surface of fastening bolt is provided with the anti -skid convex.

[0007] In the square magnetic shell, the opposite side of the arc-shaped plate is riveted with an adjusting rod, the inner wall of the rectangular hole is riveted with a transverse plate, and the opposite end of the adjusting rod penetrates through the transverse plate and is riveted with an adjusting frame. In actual application, the transverse plate, the adjusting rod and the adjusting frame are arranged, so that the user can pull the arc-shaped plate, thereby releasing the limiting of the fastening bolt.

[0008] In the square magnetic shell, the opposite side of the arc-shaped plate is riveted with an adjusting rod, the inner wall of the rectangular hole is riveted with a transverse plate, and the opposite end of the adjusting rod penetrates through the transverse plate and is riveted with an adjusting frame. In actual application, the transverse plate, the adjusting rod and the adjusting frame are arranged, so that the user can pull the arc-shaped plate, thereby releasing the limiting of the fastening bolt.

[0009] In the square magnetic shell, the inner cavity of the rectangular hole is placed with a dustproof pad, and the right end of the fastening bolt is provided with a hexagonal groove. In actual application, the dustproof pad is arranged to prevent dust from entering the inner cavity of the rectangular hole.

[0010] In the square magnetic shell, the left side of the circular hole is communicated with the mounting groove, and the opposite side of the rectangular hole is communicated with the mounting hole.

[0011] Compared with the prior art, the square magnetic shell has the advantages that it has a limiting structure, can resist the vibration caused by frequent operation of the elevator, significantly reduces the risk of bolt loosening, ensures the reliable connection of the electromagnet and the magnetic shell, thereby maintaining the normal operation of the electromagnet, effectively reducing the elevator operation failure caused by bolt loosening, and improving the safety and reliability of the elevator operation. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structure perspective view of the square magnetic shell.

[0013] Figure 2 It is a left side perspective view of the square magnetic shell.

[0014] Figure 3 It is a mounting hole structure perspective view of the square magnetic shell.

[0015] Figure 4 It is a mounting groove structure perspective view of the square magnetic shell.

[0016] Figure 5 It is a rectangular hole structure perspective view of the square magnetic shell.

[0017] Figure 6 It is a partial structure perspective view of the square magnetic shell.

[0018] Figure 7 It is a structure perspective view of the arc-shaped plate of the square magnetic shell.

[0019] Figure 8 It is aFigure 5 Enlarged view of middle A.

[0020] In the figure, 1, shell; 2, mounting groove; 3, round hole; 4, mounting hole; 5, fastening bolt; 6, rectangular hole; 7, support plate; 8, spring; 9, fixed block; 10, arc plate; 11, limiting plate; 12, anti-skid protrusion; 13, adjusting rod; 14, cross plate; 15, adjusting frame; 16, clamping plate; 17, dustproof pad. DETAILED DESCRIPTION

[0021] The following is a specific embodiment of the present application and further describes the technical scheme of the present application in combination with the drawings, but the present application is not limited to these embodiments.

[0022] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 indicated, the present magnetic shell includes a shell 1, the left side of the shell 1 is provided with a mounting groove 2, the right side of the shell 1 is provided with a round hole 3, the rear side and the front side of the right side of the shell 1 are both provided with a mounting hole 4, the inner cavity of the mounting hole 4 is throughly connected with a fastening bolt 5, the bottom of the front side and the top of the rear side of the shell 1 are both provided with a rectangular hole 6, the top and the bottom of the inner cavity of the rectangular hole 6 are both riveted with a support plate 7, the opposite side of the support plate 7 is both fixedly connected with a spring 8, the opposite end of the spring 8 is both fixedly connected with a fixed block 9, the opposite end of the fixed block 9 is both fixedly connected with an arc plate 10, the right side of the arc plate 10 is riveted with a limiting plate 11, the surface of the fastening bolt 5 is provided with an anti-skid protrusion 12.

[0023] Further, the opposite side of the arc plate 10 is both riveted with an adjusting rod 13, the inner wall of the rectangular hole 6 is riveted with a cross plate 14, the opposite end of the adjusting rod 13 penetrates through the cross plate 14 and is riveted with an adjusting frame 15.

[0024] The opposite side of the arc plate 10 is both riveted with a clamping plate 16, the side of the clamping plate 16 away from the arc plate 10 is engaged with the anti-skid protrusion 12. The inner cavity of the rectangular hole 6 is placed with a dustproof pad 17, the right end of the fastening bolt 5 is provided with a hexagonal groove. The left side of the round hole 3 is communicated with the mounting groove 2, the opposite side of the rectangular hole 6 is communicated with the mounting hole 4.

[0025] In actual manufacturing, the electromagnet is placed in the inner cavity of the mounting groove 2, the dustproof pad 17 is removed, the adjusting frame 15 is pulled, the adjusting rod 13 and the arc-shaped plate 10 are moved by the adjusting frame 15, the arc-shaped plate 10 moves the limiting plate 11, the arc-shaped plate 10 is moved to the inside of the rectangular hole 6, then the fastening bolt 5 is inserted into the inner cavity of the mounting hole 4, the left end of the fastening bolt 5 is connected with the threaded hole on the surface of the electromagnet, then the adjusting frame 15 is loosened, the adjusting rod 13 and the arc-shaped plate 10 start to reset under the action of the spring 8, the clamping plate 16 on the surface of the arc-shaped plate 10 is engaged with the anti-skid protrusion 12, the limiting plate 11 moves to the right side of the fastening bolt 5, the fastening bolt 5 can be prevented from rotating under the action of the clamping plate 16, the fastening bolt 5 can be limited under the action of the limiting plate 11, so that the loosening or displacement of the fastening bolt 5 is avoided.

[0026] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art. The specific embodiments described in the specification are only illustrative of the spirit of the utility model. The person skilled in the art to which the utility model belongs can make various modifications or supplements to the specific embodiments described or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the range defined by the appended claims.

Claims

1. A square magnetic shell comprising a housing (1), characterized in that, The left side of the shell (1) is provided with a mounting groove (2), the right side of the shell (1) is provided with a circular hole (3), the rear side and the front side of the right side of the shell (1) are provided with mounting holes (4), the inner cavity of the mounting hole (4) is throughly connected with a fastening bolt (5), the bottom of the front side and the top of the rear side of the shell (1) are provided with rectangular holes (6), the top and the bottom of the inner cavity of the rectangular hole (6) are riveted with supporting plates (7), the opposite sides of the supporting plate (7) are fixedly connected with springs (8), the opposite ends of the spring (8) are fixedly connected with fixed blocks (9), the opposite ends of the fixed block (9) are fixedly connected with arc-shaped plates (10), the right side of the arc-shaped plate (10) is riveted with a limiting plate (11), the surface of the fastening bolt (5) is provided with anti-skid protrusions (12).

2. A square magnetic shell according to claim 1, characterized in that The opposite sides of the arc-shaped plate (10) are riveted with adjusting rods (13), the inner wall of the rectangular hole (6) is riveted with a horizontal plate (14), the opposite ends of the adjusting rod (13) penetrate through the horizontal plate (14) and are riveted with adjusting frames (15).

3. A square magnetic shell according to claim 1, characterized in that The opposite sides of the arc-shaped plate (10) are riveted with clamping plates (16), one side of the clamping plate (16) away from the arc-shaped plate (10) is engaged with the anti-skid protrusion (12).

4. A square magnetic shell according to claim 1, characterized in that The inner cavity of the rectangular hole (6) is placed with a dustproof pad (17), the right end of the fastening bolt (5) is provided with a hexagonal groove.

5. A square magnetic shell according to claim 1, characterized in that, The left side of the circular hole (3) is communicated with the mounting groove (2), the opposite sides of the rectangular hole (6) are communicated with the mounting hole (4).