Limiting nut with adjustable torque

By designing an adjustable torque limit nut, the problem of existing devices being unable to adjust torque is solved, enabling precise torque control and equipment protection. It also has a rust removal function, improving the stability and reliability of the connection.

CN223690142UActive Publication Date: 2025-12-19QUANZHOU QUANXING MACHINERY PRODUCTS CO LTD
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Patent Information

Application Number
CN202520446346.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2025-12-19
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

The existing nut limit device cannot adjust the torque, resulting in insufficient or excessive tightening, which may cause equipment damage or malfunction.

Method used

An adjustable torque limiting nut was designed, comprising an adjusting block assembly, a fixing assembly, an adjusting assembly, and a vibration assembly. The torque of the nut is adjusted by a knob and a threaded rod, and the elastic force of the limiting slider and spring prevents it from falling off. It is equipped with a miniature vibration motor for rust removal and vibration to remove rust residue.

Benefits of technology

It enables precise adjustment of nut torque, avoiding under-tightening or over-tightening, protecting equipment, and also has a rust removal function, improving connection stability and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The torque-adjustable limiting nut comprises an adjusting block assembly, a fixing assembly, an adjusting assembly and a vibration assembly, the upper end and the lower end of the adjusting block assembly are fixedly connected with the fixing assembly, the interior of the adjusting block assembly is fixedly connected with the adjusting assembly, and the front end of the adjusting block assembly is fixedly connected with the vibration assembly. The device is characterized by further comprising an adjusting block assembly; the adjusting block is in sliding connection with the limiting sliding block through the threaded connection sliding groove; the inner groove is formed in the adjusting block; the threaded connection sliding grooves are formed in the left end and the right end of the adjusting block; the rotating blocks are fixedly connected to the front end and the rear end of the adjusting block; and by arranging the adjusting assembly capable of adjusting the torque of the nut, the device can adjust the torque of the nut, and the situation that equipment is damaged or breaks down due to insufficient tightening or excessive tightening is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nut relevant field, concretely is a kind of adjustable torque limit nut. BACKGROUND

[0002] Nut is nut, and it is screwed together with bolt or screw rod to be used to play the part of fastening, and it is the component that all production and manufacture machinery must use according to the different of material, divided into carbon steel, stainless steel, nonferrous metal (such as copper) several big types, nut is the part that mechanical equipment is tightly connected, and it is connected together with nut and bolt of equal specification through the screw thread of inside.

[0003] For example (authorized announcement No.CN212272768U) the nut limiting device described in a kind of, including bolt and the nut of screwing on bolt, its characterized in that: the end tail of bolt is opened with device slot along axial direction, the outer wall of bolt is opened with the opening of intercommunication device slot, the inner wall of nut is opened with the clamping slot along axial direction, the device slot is equipped with clamping piece, the clamping piece includes threaded rod and the clamping block of screwing on threaded rod, the one end of threaded rod is at the opening outside of device slot slot, and the clamping block is stretched out from opening.

[0004] The above-mentioned device is clamped in the clamping slot of nut inner wall by clamping piece to limit nut rotation, so that nut is stably positioned on bolt, so that the component of fixed connection remains stable, and the device in the above-mentioned device does not have the device that the torque of nut can be adjusted, so that the device in the above-mentioned device cannot be adjusted due to the torque, so that the equipment is damaged or failure due to insufficient or over-tightening. UTILITY MODEL CONTENTS

[0005] Therefore, in order to solve the above problems, the utility model provides a kind of adjustable torque limit nut.

[0006] The utility model is realized, and a kind of adjustable torque limit nut is constructed, the device includes adjusting block assembly, fixed assembly, adjusting assembly, vibration component, the upper and lower ends of adjusting block assembly are fixedly connected with fixed assembly, the inside of adjusting block assembly is fixedly connected with adjusting assembly, the front end of adjusting block assembly is fixedly connected with vibration component, it is characterized by further including adjusting block assembly;Adjusting block, the sliding connection of adjusting block is connected with the limiting sliding block by threaded connection sliding slot;Inner groove, the inner groove is located in the inside of adjusting block;Threaded connection sliding slot, the threaded connection sliding slot is located in the left and right ends of adjusting block;Rotating block, the rotating block is fixedly connected to the front and rear ends of adjusting block;Threaded rod, the sliding connection of threaded rod is connected with the front and rear ends of adjusting block by threaded connection sliding slot;Knob, the knob is fixedly connected to the middle part of threaded rod.

[0007] Preferably, the fixing assembly comprises: a nut, which is slidingly connected to the upper and lower ends of the adjusting block; an anti-skid pad, which is arranged on the outer ring of the nut; a fixed buckle block, which is fixedly connected to the upper and lower ends of the adjusting block; a rotating buckle block, which is rotatably connected to the rear end of the rotating connecting block; a rotating connecting block, which is rotatably connected to the left end of the fixed buckle block; a clamping strip, which is arranged on the front end of the rotating buckle block and is slidingly connected to the clamping hole; and a clamping hole, which is arranged on the front end of the fixed buckle block.

[0008] Preferably, the adjusting assembly comprises: a first threaded clamp block, which is slidingly connected to the front and rear ends of the sliding rod; a second threaded clamp block, which is also slidingly connected to the front and rear ends of the sliding rod; a limiting sliding block, which is fixedly connected to the middle portions of the first threaded clamp block and the second threaded clamp block; a sliding rod, which is fixedly connected to the inside of the adjusting block; a spring, which is fixedly connected to the front and rear ends of the first threaded clamp block and the second threaded clamp block and is also fixedly connected to the inside of the adjusting block; and a buffer pad, which is also fixedly connected to the front and rear ends of the first threaded clamp block and the second threaded clamp block.

[0009] Preferably, the vibration assembly comprises: a liquid spraying ring, which is fixedly connected to the upper and lower ends of the adjusting block; a slag prevention net, which is fixedly connected to the middle portion of the liquid spraying ring; a liquid conveying pipe, which is fixedly connected to the front end of the liquid spraying ring; a spray head connector, which is fixedly connected to the front end of the liquid conveying pipe; a control button, which is fixedly connected to the front end of the adjusting block; a power supply socket, which is also fixedly connected to the front end of the adjusting block and is fixedly connected to the rear end of the micro vibration motor; and a micro vibration motor, which is also fixedly connected to the front end of the adjusting block.

[0010] Preferably, the threaded rod and the knob are both provided with two groups.

[0011] Preferably, the fixed buckle block and the rotating buckle block are both provided with two groups.

[0012] Preferably, the limiting sliding block and the sliding rod are both provided with two groups, and the springs are provided with four groups.

[0013] The adjustable torque limiting nut has the following advantages compared with the same type of device:

[0014] The adjustable torque limiting nut can adjust the torque of the nut to avoid the insufficient or excessive tightening of the nut, so that the device is not damaged or fails. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0016] Fig. 2 This is a schematic diagram of the adjusting block assembly structure of this utility model;

[0017] Fig. 3 This is a schematic diagram of the fixing component structure of this utility model;

[0018] Fig. 4 This is a schematic diagram of the adjustment component structure of this utility model;

[0019] Fig. 5 This is a schematic diagram of the vibration component structure of this utility model.

[0020] The components include: Adjusting block assembly-1, Adjusting block-11, Inner groove-12, Threaded connection slide groove-13, Rotating block-14, Threaded rod-15, Knob-16, Fixing assembly-2, Nut-21, Anti-slip pad block-22, Fixing buckle block-23, Rotating buckle block-24, Rotating connection block-25, Clip-26, Clip hole-27, Adjusting assembly-3, First threaded clamp block-31, Second threaded clamp block-32, Limiting slider-33, Slide rod-34, Spring-35, Buffer pad block-36, Vibration assembly-4, Spray ring-41, Slag-proof net-42, Infusion tube-43, Nozzle connector-44, Control button-45, Power socket-46, Miniature vibration motor-47. Detailed Implementation

[0021] The following is in conjunction with the appendix Figs. 1-5 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0022] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the singular forms "a", "an" and "the" include plural references unless the context clearly dictates otherwise.

[0024] Embodiment one:

[0025] Please refer to Figs. 1-5 The adjustable torque limiting nut of the application comprises an adjusting block assembly 1, a fixing assembly 2, an adjusting assembly 3, and a vibration assembly 4. The adjusting block assembly 1 is fixedly connected with the fixing assembly 2 at its upper and lower ends. The adjusting block assembly 1 is fixedly connected with the adjusting assembly 3 inside. The adjusting block assembly 1 is fixedly connected with the vibration assembly 4 at its front end. The adjustable torque limiting nut is characterized in that it further comprises the adjusting block assembly 1. The adjusting block 11 is slidably connected with the limiting sliding block 33 through the threaded connecting sliding groove 13. The inner groove 12 is arranged inside the adjusting block 11. The threaded connecting sliding groove 13 is arranged at the left and right ends of the adjusting block 11. The rotating block 14 is fixedly connected with the adjusting block 11 at its front and rear ends. The threaded rod 15 is slidably connected with the adjusting block 11 at its front and rear ends through the threaded connecting sliding groove 13. The knob 16 is fixedly connected with the middle part of the threaded rod 15. When the knob 16 is rotated, the threaded rod 15 is driven to rotate, and the limiting sliding block 33 and its upper assembly are driven to move leftward or rightward. The threaded rod 15 and the knob 16 are both provided with two groups.

[0026] The nut 21 is slidably connected with the adjusting block 11 at its upper and lower ends. The anti-skid pad 22 is arranged outside the nut 21. The fixed clamping block 23 is fixedly connected with the adjusting block 11 at its upper and lower ends. The rotating clamping block 24 is rotatably connected with the rotating connecting block 25 at its rear end. When the rotating clamping block 24 is pushed to rotate around the rotating connecting block 25 as the center, the clamping strip 26 is connected with the clamping hole 27, so that the nut 21 is clamped and fixed to the adjusting block 11 at its upper and lower ends. The rotating connecting block 25 is rotatably connected with the fixed clamping block 23 at its left end. The clamping strip 26 is arranged at the front end of the rotating clamping block 24. The clamping strip 26 is slidably connected with the clamping hole 27. The clamping hole 27 is arranged at the front end of the fixed clamping block 23. The fixed clamping block 23 and the rotating clamping block 24 are both provided with two groups.

[0027] The adjusting assembly 3, the first threaded clamping block 31 is slidably connected with the slide rod 34 at both ends, the second threaded clamping block 32 is also slidably connected with the slide rod 34 at both ends, the limiting slide block 33 is fixedly connected to the middle part of the first threaded clamping block 31 and the second threaded clamping block 32, and the spring 35 is driven to stretch and contract when the first threaded clamping block 31 and the second threaded clamping block 32 move, so that the second threaded clamping block 32 is pressed by the elastic force of rebound, and the first threaded clamping block 31 and the second threaded clamping block 32 are prevented from falling off, the slide rod 34 is fixedly connected in the adjusting block 11, the spring 35 is fixedly connected to both ends of the first threaded clamping block 31 and the second threaded clamping block 32, the spring 35 is also fixedly connected in the adjusting block 11, the buffer pad 36 is also fixedly connected to both ends of the first threaded clamping block 31 and the second threaded clamping block 32, the limiting slide block 33 and the slide rod 34 are both provided with two groups, and the spring 35 is provided with four groups.

[0028] The utility model discloses a kind of adjustable torque limiting nuts, and the working principle is as follows:

[0029] First, when using the device, first place the device in the working area, then connect the device with external power supply, which can provide the required power for the device to work.

[0030] Second, when using the device, first insert the specified nut 21 into the upper and lower ends of the adjusting block 11, then rotate the rotating buckle block 24 to rotate the connecting block 25 as the center to connect the clamping strip 26 and the clamping hole 27, so that the nut 21 can be clamped and fixed to the upper and lower ends of the adjusting block 11, then align the nut 21 with the screw to be connected, rotate the rotating block 14 to drive the device to rotate, so that the nut 21 is threadedly connected with the external screw, then rotate the knob 16 to drive the threaded rod 15 to rotate and drive the limiting slide block 33 and its upper assembly to move towards the external screw, so that the first threaded clamping block 31 and the second threaded clamping block 32 contact and clamp the external screw, then continue to rotate the knob 16 to adjust the pressure as needed to adjust the torque.

[0031] Example two:

[0032] Please refer to Figs. 1-5The utility model discloses a adjustable torque limit nut, compared with embodiment one, this embodiment still includes: vibration subassembly 4, the liquid injection ring 41 fixed connection is in the upper and lower both ends of the adjusting block 11, the slag prevention net 42 fixed connection is in the middle part of liquid injection ring 41, the infusion pipe 43 fixed connection is in the front end of liquid injection ring 41, the spray head connector 44 fixed connection is in the front end of infusion pipe 43, the control button 45 fixed connection is in the front end of adjusting block 11, the power supply socket 46 also fixed connection is in the front end of adjusting block 11, the power supply socket 46 is connected with the external power supply plug and can be powered to miniature vibration motor 47 through the electric wire, the power supply socket 46 rear end and miniature vibration motor 47 fixed connection, miniature vibration motor 47 also fixed connection is in the front end of adjusting block 11.

[0033] In this embodiment,

[0034] First, when the nut 21 needs to be removed for rust removal after long-term use, the external rust removal agent spray tank nozzle can be connected with the spray head connector 44, so that the rust removal agent can be delivered to the liquid injection ring 41 through the infusion pipe 43 to spray the internal connection of the nut 21, and the setting of the slag prevention net 42 can prevent rust slag from entering the liquid injection ring 41 to cause blockage. After the power supply socket 46 is connected with the external power supply plug, the miniature vibration motor 47 can be powered through the electric wire, and then the control button 45 is pressed to control the miniature vibration motor 47 to start vibration to drive the device to vibrate to shake off the rust slag, so that the nut 21 can be easily removed.

[0035] The utility model provides a adjustable torque limit nut through improvement, through setting up the adjusting assembly 3 of rust removal of the torque of nut, make this device can adjust the torque of nut avoid the situation that not enough or over tighten occurs lead to equipment damage or breakdown.

[0036] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt rivet, welding and the like in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0037] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An adjustable torque limiting nut, comprising an adjusting block assembly (1), a fixing assembly (2), an adjusting assembly (3), a vibration assembly (4), the upper and lower ends of the adjusting block assembly (1) are fixedly connected with the fixing assembly (2), the inside of the adjusting block assembly (1) is fixedly connected with the adjusting assembly (3), and the front end of the adjusting block assembly (1) is fixedly connected with the vibration assembly (4), characterized in that: Also include the adjusting block assembly (1); ​ Adjusting block (11), the adjusting block (11) is connected with the limiting sliding block (33) through the threaded connection sliding groove (13) slidingly; Inner groove (12), the inner groove (12) is arranged inside the adjusting block (11); Threaded connection sliding groove (13), the threaded connection sliding groove (13) is arranged at both ends of the adjusting block (11); Rotating block (14), the rotating block (14) is fixedly connected to both ends of the adjusting block (11); Threaded rod (15), the threaded rod (15) is connected with both ends of the adjusting block (11) through the threaded connection sliding groove (13) slidingly; Knob (16), the knob (16) is fixedly connected to the middle of the threaded rod (15).

2. The adjustable torque-limiting nut of claim 1, wherein: The fixed assembly (2) comprises; Nut (21), the nut (21) is connected to both ends of the adjusting block (11) slidingly; Anti-skid pad (22), the anti-skid pad (22) is arranged outside the nut (21); Fixed buckle block (23), the fixed buckle block (23) is fixedly connected to both ends of the adjusting block (11); Rotating buckle block (24), the rotating buckle block (24) is rotatably connected with the rotating connecting block (25) at the rear end; Rotating connecting block (25), the rotating connecting block (25) is rotatably connected with the fixed buckle block (23) at the left end; Card strip (26), the card strip (26) is arranged at the front end of the rotating buckle block (24), and the card strip (26) is connected with the sliding connection through the card hole (27); Card hole (27), the card hole (27) is arranged at the front end of the fixed buckle block (23).

3. The adjustable torque-limiting nut of claim 1, wherein: The adjusting assembly (3) comprises: First threaded clamp block (31), the first threaded clamp block (31) is slidably connected with the sliding rod (34) at both ends; Second threaded clamp block (32), the second threaded clamp block (32) is also slidably connected with the sliding rod (34) at both ends; Limiting sliding block (33), the limiting sliding block (33) is fixedly connected to the middle of the first threaded clamp block (31) and the second threaded clamp block (32); Sliding rod (34), the sliding rod (34) is fixedly connected to the adjusting block (11) inside; Spring (35), the spring (35) is fixedly connected to both ends of the first threaded clamp block (31) and the second threaded clamp block (32), and the spring (35) is also fixedly connected to the adjusting block (11) inside; Buffer pad block (36), the buffer pad block (36) is also fixedly connected to both ends of the first threaded clamp block (31) and the second threaded clamp block (32).

4. The adjustable torque-limiting nut of claim 1, wherein: The vibration assembly (4) comprises: Liquid spraying ring (41), the liquid spraying ring (41) is fixedly connected to both ends of the adjusting block (11); Anti- slag net (42), the anti- slag net (42) is fixedly connected to the middle of the liquid spraying ring (41); Liquid delivery pipe (43), the liquid delivery pipe (43) is fixedly connected to the front end of the liquid spraying ring (41); Spray connector (44), the spray connector (44) is fixedly connected to the front end of the liquid delivery pipe (43); Control button (45), the control button (45) is fixedly connected to the front end of the adjusting block (11); A power supply socket (46) is also fixedly connected to the front end of the adjusting block (11), and the rear end of the power supply socket (46) is fixedly connected with a micro vibration motor (47). A micro vibration motor (47) is also fixedly connected to the front end of the adjusting block (11).

5. The adjustable torque-limiting nut of claim 1, wherein: The threaded rod (15) and the knob (16) are each provided with two groups.

6. The adjustable torque-limiting nut of claim 2, wherein: The fixed buckle block (23) and the rotating buckle block (24) are each provided with two groups.

7. The adjustable torque-limiting nut of claim 3, wherein: The limiting sliding block (33) and the sliding rod (34) are each provided with two groups, and the springs (35) are provided with four groups in total.

Citation Information

Patent Citations

  • Nut limiting device

    CN212272768U