Fastening nut with anti-skid function for transmission machinery

By introducing a locking block, a movable rod, and a spring structure into the fastening nut of transmission machinery, the problem of the fastening nut of transmission machinery loosening under vibration is solved, achieving the effects of anti-slip and convenient disassembly.

CN223964754UActive Publication Date: 2026-03-03HAIYAN GUARDIAN STANDARD PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520874959.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-03-03
Estimated Expiration
2035-05-06

AI Technical Summary

Technical Problem

Existing transmission machinery uses simple fastening nuts, which are prone to loosening under external vibration, resulting in reduced component connection tightness.

Method used

A fastening nut with anti-slip function was designed. By introducing a locking block, a movable rod and a spring structure into the nut assembly, the locking block is inserted into the slot to push the movable rod to move, increasing the friction force and releasing the fixed point restriction through the spring rebound force, so as to achieve the nut's detachability.

Benefits of technology

It effectively prevents the nut from slipping and loosening, improves the tightness of the component connection, and facilitates the rotation and disassembly of the nut when needed.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223964754U_ABST
    Figure CN223964754U_ABST
Patent Text Reader

Abstract

The utility model relates to a fastening nut with an anti-skidding function for transmission machinery, which comprises a transmission shaft, a rotating shaft is attached to one end of the transmission shaft, the transmission shaft is connected with the rotating shaft through a plurality of bolts, a nut assembly is sleeved outside the bolts, and a group of auxiliary assemblies are symmetrically arranged inside the nut assembly. The nut assembly comprises a nut body, one side of the nut body is fixedly connected with a screw ring, the clamping block is inserted into the clamping groove, so that the clamping block gradually pushes the movable rod to move, the anti-skid rubber mat at the end of the movable rod can be conveniently moved out to make contact with the bolt, the friction force between the nut body and the bolt is increased, and meanwhile the fixed-point limiting effect is achieved; due to the fact that the movable frame can freely rotate in the limiting ring frame, threaded connection between the movable frame and the threaded ring can fix the position of the clamping block while the clamping block is not affected to be inserted into the clamping groove, and the clamping block is prevented from moving out of the clamping groove.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of fastening nuts for transmission machinery, and in particular to fastening nuts for transmission machinery with anti-slip function. Background Technology

[0002] Fastening nuts for transmission machinery are important parts used to connect and fasten components of transmission machinery.

[0003] Existing fastening nuts for transmission machinery have a relatively simple structure and are prone to loosening under external vibration during use, thereby reducing the tightness of the connection between various components in the transmission machinery. In view of this, we propose a fastening nut for transmission machinery with anti-slip function. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a fastening nut for transmission machinery with anti-slip function, so as to solve the technical problem that the existing fastening nuts for transmission machinery have a relatively simple structure and are prone to loosening under external vibration during use, thereby reducing the connection and fastening of various components in the transmission machinery.

[0005] To achieve the purpose of this utility model, the technical solution adopted by this utility model is as follows: a fastening nut for transmission machinery with anti-slip function is designed, including a transmission shaft, one end of which is attached to a rotating shaft, the transmission shaft and the rotating shaft are connected by a number of bolts, a nut assembly is sleeved on the outside of the bolts, and a set of auxiliary components is symmetrically arranged inside the nut assembly;

[0006] The nut assembly includes a nut body, a threaded ring fixed to one side of the nut body, a set of slots symmetrically opened inside the nut body, a movable frame sleeved outside the threaded ring, a limiting ring frame sleeved outside the movable frame, and a set of locking blocks symmetrically fixed to the surface of the limiting ring frame.

[0007] Preferably, the movable frame and the screw ring are connected by a thread, and the movable frame is movably engaged inside the limiting ring frame.

[0008] Preferably, the card block is inserted into the card slot, and the cross-section of the card block is a right trapezoidal shape.

[0009] Preferably, the auxiliary component includes a movable rod, a limiting ring plate is fixedly sleeved on the outside of the movable rod, a spring is connected to the surface of the limiting ring plate, an anti-slip pad is glued to the end of the movable rod, and a limiting groove is provided on the outside of the limiting ring plate and the spring.

[0010] Preferably, the end of the movable rod near the locking block is hemispherical, and the movable rod is in contact with the inclined surface of the locking block.

[0011] Preferably, the two ends of the spring are fixedly connected to the nut body and the limiting ring plate, respectively, and the movable rod forms an elastic structure through the limiting ring plate, the spring and the limiting groove, and the limiting groove and the slot are connected.

[0012] Preferably, when the spring is in its normal state, the anti-slip rubber pad at the end of the movable rod is located inside the limiting groove.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model inserts a locking block into a slot, causing the locking block to gradually push the movable rod to move. This facilitates the removal of the anti-slip rubber pad at the end of the movable rod so that it contacts the bolt, increasing the friction between the nut body and the bolt. At the same time, it plays a fixed-point limiting role, reducing the possibility of the nut body slipping and loosening. Since the movable frame can rotate freely inside the limiting ring frame, the threaded connection between the movable frame and the screw ring can fix the position of the locking block without affecting the insertion of the locking block into the slot, preventing the locking block from moving out of the slot.

[0015] 2. In this utility model, when the nut assembly needs to be disassembled, the movable frame is turned to move the limiting ring frame and the locking block, and separate them from the nut body. When the locking block moves out of the slot, the movable rod is effectively driven by the spring rebound force to move the anti-slip rubber pad into the limiting groove, thereby releasing the fixed point restriction between the nut body and the bolt, thus facilitating the rotation and disassembly of the nut body. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a partial three-dimensional structural schematic diagram of the present invention;

[0018] Figure 3 This is a partial structural diagram of the present invention.

[0019] Figure 4 This is a partial structural diagram of the present invention from another perspective;

[0020] Figure 5 This is a partial cross-sectional structural diagram of the present invention;

[0021] Figure 6 For the present utility model Figure 5 A magnified view of the structure at point A in the middle;

[0022] In the diagram: 1. Drive shaft; 2. Rotating shaft; 3. Bolt; 4. Nut assembly; 5. Auxiliary components;

[0023] 401. Nut body; 402. Threaded ring; 403. Slot; 404. Movable frame; 405. Limiting ring frame; 406. Locking block;

[0024] 501. Movable rod; 502. Limiting ring plate; 503. Spring; 504. Anti-slip pad; 505. Limiting groove. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0026] For fastening nuts for transmission machinery with anti-slip function, see [link / reference]. Figures 1 to 6 It includes a drive shaft 1, one end of which is attached to a rotating shaft 2. The drive shaft 1 and the rotating shaft 2 are connected by several bolts 3. A nut assembly 4 is sleeved on the outside of the bolts 3, and a set of auxiliary components 5 are symmetrically arranged inside the nut assembly 4.

[0027] The nut assembly 4 includes a nut body 401, a threaded ring 402 fixedly connected to one side of the nut body 401, a set of slots 403 symmetrically opened inside the nut body 401, a movable frame 404 sleeved outside the threaded ring 402, and a limiting ring frame 405 sleeved outside the movable frame 404. The movable frame 404 and the threaded ring 402 are threadedly connected, and the movable frame 404 is movably engaged inside the limiting ring frame 405. A set of locking blocks 406 are symmetrically fixedly connected to the surface of the limiting ring frame 405. Furthermore, the locking blocks 406 are inserted into the slots 403, and the cross-section of the locking blocks 406 is a right trapezoidal shape. This utility model inserts the locking block 406 into the locking slot 403, causing the locking block 406 to gradually push the movable rod 501 to move. This facilitates the removal of the anti-slip rubber pad 504 at the end of the movable rod 501 so that it contacts the bolt 3, increasing the friction between the nut body 401 and the bolt 3. At the same time, it plays a fixed-point limiting role, reducing the possibility of the nut body 401 slipping and loosening. Since the movable frame 404 can rotate freely inside the limiting ring frame 405, the threaded connection between the movable frame 404 and the screw ring 402 can fix the position of the locking block 406 without affecting the insertion of the locking block 406 into the locking slot 403, thus preventing the locking block 406 from moving out of the locking slot 403.

[0028] It is worth noting that the auxiliary component 5 includes a movable rod 501, wherein the end of the movable rod 501 near the locking block 406 is hemispherical, the movable rod 501 is in contact with the inclined surface of the locking block 406, a limiting ring plate 502 is fixedly sleeved on the outside of the movable rod 501, a spring 503 is connected to the surface of the limiting ring plate 502, and an anti-slip pad 504 is glued to the end of the movable rod 501. A limiting groove 505 is provided on the outside of the limiting ring plate 502 and the spring 503. Furthermore, the two ends of the spring 503 are fixedly connected to the nut body 401 and the limiting ring plate 502 respectively. The movable rod 501 forms an elastic structure with the limiting ring plate 502, the spring 503 and the limiting groove 505. The limiting groove 505 is connected to the locking groove 403. Furthermore, when the spring 503 is in the normal state, the anti-slip pad 504 at the end of the movable rod 501 is located inside the limiting groove 505. In this utility model, when the nut assembly 4 needs to be disassembled, the movable frame 404 is turned to move the limiting ring frame 405 and the locking block 406, and separate them from the nut body 401. When the locking block 406 moves out of the locking groove 403, the movable rod 501 is effectively driven by the rebound force of the spring 503 to move the anti-slip pad 504 into the limiting groove 505, thereby releasing the fixed point restriction between the nut body 401 and the bolt 3, thus facilitating the rotation and disassembly of the nut body 401.

[0029] Working principle: After the drive shaft 1 and the rotating shaft 2 are connected by several bolts 3, the nut body 401 is screwed onto the outside of the bolts 3. Then, the locking block 406 is inserted into the locking slot 403. The locking block 406 gradually pushes the movable rod 501 to move, making it easier to remove the anti-slip rubber pad 504 at the end of the movable rod 501 so that it contacts the bolt 3, increasing the friction between the nut body 401 and the bolt 3. At the same time, it plays a fixed-point limiting role, reducing the possibility of the nut body 401 slipping and loosening. Since the movable frame 404 can rotate freely inside the limiting ring frame 405, the threads between the movable frame 404 and the threaded ring 402 are... The connection can fix the position of the locking block 406 without affecting its insertion into the slot 403, preventing the locking block 406 from moving out of the slot 403. When the nut assembly 4 needs to be disassembled later, the movable frame 404 is turned to move the limiting ring frame 405 and the locking block 406, and separate them from the nut body 401. When the locking block 406 moves out of the slot 403, the movable rod 501 moves the anti-slip pad 504 into the limiting groove 505 due to the rebound force of the spring 503, releasing the fixed point restriction between the nut body 401 and the bolt 3, thereby facilitating the rotation and disassembly of the nut body 401.

[0030] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A fastening nut for transmission machinery with anti-slip function, including a transmission shaft (1), characterized in that, One end of the drive shaft (1) is attached to the rotating shaft (2). The drive shaft (1) and the rotating shaft (2) are connected by several bolts (3). The bolts (3) are fitted with nut assemblies (4) on the outside. A set of auxiliary components (5) are symmetrically arranged inside the nut assemblies (4). The nut assembly (4) includes a nut body (401), a threaded ring (402) is fixedly connected to one side of the nut body (401), a set of slots (403) are symmetrically opened inside the nut body (401), a movable frame (404) is sleeved on the outside of the threaded ring (402), a limiting ring frame (405) is sleeved on the outside of the movable frame (404), and a set of locking blocks (406) are symmetrically fixed to the surface of the limiting ring frame (405).

2. The fastening nut for transmission machinery with anti-slip function as described in claim 1, characterized in that, The movable frame (404) and the screw ring (402) are connected by a thread, and the movable frame (404) is movably engaged inside the limiting ring frame (405).

3. The fastening nut for transmission machinery with anti-slip function as described in claim 1, characterized in that, The card block (406) is inserted into the card slot (403), and the cross-section of the card block (406) is a right trapezoid.

4. The fastening nut for transmission machinery with anti-slip function as described in claim 1, characterized in that, The auxiliary component (5) includes a movable rod (501), a limiting ring plate (502) is fixedly sleeved on the outside of the movable rod (501), a spring (503) is connected to the surface of the limiting ring plate (502), an anti-slip pad (504) is glued to the end of the movable rod (501), and a limiting groove (505) is provided on the outside of the limiting ring plate (502) and the spring (503).

5. The fastening nut for transmission machinery with anti-slip function as described in claim 4, characterized in that, The end of the movable rod (501) near the locking block (406) is hemispherical, and the movable rod (501) is in contact with the inclined surface of the locking block (406).

6. The fastening nut for transmission machinery with anti-slip function as described in claim 4, characterized in that, The two ends of the spring (503) are fixedly connected to the nut body (401) and the limiting ring plate (502) respectively. The movable rod (501) forms an elastic structure through the limiting ring plate (502), the spring (503) and the limiting groove (505). The limiting groove (505) is connected to the slot (403).

7. The fastening nut for transmission machinery with anti-slip function as described in claim 4, characterized in that, When the spring (503) is in the normal state, the anti-slip pad (504) at the end of the movable rod (501) is located inside the limiting groove (505).