Telescopic coupling

By designing a telescopic coupling, and utilizing a combination of threaded connection and limiting plate, the applicability problem of the fixed length of existing couplings is solved, enabling flexible adjustment of the distance between the input and output ports and enhancing stability, while simplifying the installation process.

CN223754495UActive Publication Date: 2026-01-02WUXI ZHONGXINRUI TECH
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Patent Information

Application Number
CN202520677502.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-01-02
Estimated Expiration
2035-04-10

AI Technical Summary

Technical Problem

Existing couplings have a fixed length and are applicable to only one type of situation, making them unable to meet the needs of connecting shafts of different sizes.

Method used

A telescopic coupling was designed, which achieves adjustable distance between input and output ports through a combination of threaded connection and limiting plate, and improves stability and convenience by using magnetic ring adsorption and spring telescopic rod.

Benefits of technology

It enables flexible adjustment of the distance between the input and output ports, enhances the applicability and stability of the coupling, simplifies the installation process, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The telescopic coupler comprises a bearing cylinder, a connecting rod is arranged in the bearing cylinder, a limiting groove is formed in the connecting rod, and a second thread is formed in the outer wall of the connecting rod; a groove is formed in the bearing cylinder, a limiting plate is hinged to the interior of the groove, a first thread matched with the second thread is formed in the limiting plate, and the second thread and the first thread are jointly in threaded connection with a nut so that the connecting rod can be connected with the limiting plate; when the distance between the input port and the output port is large or small, the nut is rotated upwards so that the nut can be separated from the first thread, then the limiting plate is separated from the groove, the bearing cylinder can be pulled, and therefore the distance between the input port and the output port can be adjusted; after the distance is adjusted, the limiting plate is pressed in the groove, the nut is rotated, the nut is in threaded connection with the first thread, then the limiting plate is fixed, and the bearing cylinder and the connecting rod form a whole.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the coupling technical field relates to a telescopic coupling. BACKGROUND

[0002] Coupling is a commonly used component in mechanical transmission, mainly used to connect shaft and shaft, or connect shaft and other rotary components intermediate transmission mechanism to transmit motion and torque. In the current market, the coupling is basically fixed length to connect two appearance consistent shafts, therefore, the application occasion of this coupling is relatively single. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a telescopic coupling, can solve the problem raised in the background art.

[0004] According to the technical scheme provided by the utility model: a telescopic coupling, including the receiving cylinder, be equipped with the connecting rod in the receiving cylinder, is set up in the limiting slot on the connecting rod, and the outer wall of connecting rod is equipped with the second thread;The recess is set up on the receiving cylinder, and the limiting plate is hinged in the recess, the first thread that is set up on the limiting plate is matched with the second thread, and the nut is commonly screwed on the second thread and the first thread, to be used for forming the connection of connecting rod and limiting plate.

[0005] Preferably, the limiting plate is Z-shaped, the lower end of the limiting plate is hinged to the inner wall of the recess through the hinge rod, so that the recess can be turned over, and the upper end of the limiting plate and the opposite side thereof are provided with the first thread.

[0006] Preferably, the opposite end of the receiving cylinder and the connecting rod is provided with the second receiving sleeve, the first receiving sleeve is provided on the second receiving sleeve through the bolt, the gasket is arranged between the first receiving sleeve and the second receiving sleeve, the input port is arranged on the first receiving sleeve, and the output port is arranged on the second receiving sleeve.

[0007] Preferably, the first fixing ring is sleeved on the receiving cylinder, the shaft sleeve is arranged on the first fixing ring, and the fixing ring is arranged on the shaft sleeve;The second fixing ring is arranged on the upper second receiving sleeve, and the second fixing ring and the fixing ring are adsorbed together through the magnetic ring, forming connection.

[0008] Preferably, two flat grooves are arranged on the receiving cylinder, so as to facilitate pulling the receiving cylinder.

[0009] Preferably, the recess hole is arranged at the bottom of the connecting rod, the spring telescopic rod is arranged between the recess hole and the inner wall of the bottom of the receiving cylinder, so as to support the connecting rod and ensure its stability.

[0010] The positive progress effect of the application is that:

[0011] The utility model discloses an embodiment provides a telescopic coupling, and the advantages are as follows:

[0012] 1. When the distance between the input port and the output port is large or small, rotate the nut upwards, so that the nut is separated from the first thread, at this time, separate the limiting plate from the groove, and then pull the receiving cylinder, so as to adjust the distance between the input port and the output port; after the distance is adjusted, press the limiting plate into the groove, and rotate the nut, which forms a screw connection between the nut and the first thread, and then fixes the limiting plate, so that the receiving cylinder and the connecting rod form a whole. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the perspective view of the utility model.

[0014] Figure 2 It is the front view of the utility model.

[0015] Figure 3 It is the fixed ring and the second fixed ring connection schematic view of the utility model.

[0016] Figure 4 It is the sectional view of the receiving cylinder of the utility model.

[0017] In the drawing: receiving cylinder 1;First thread 11;Groove 12;Limiting plate 13;Connecting rod 14;Limiting groove 15;Nut 16;Flat groove 2;First fixed ring 3;Shaft sleeve 31;Fixed ring 32;Second fixed ring 33;Output port 4;Input port 5;First receiving sleeve 51;Second receiving sleeve 52;Gasket 53;Bolt 54. DETAILED DESCRIPTION

[0018] In order to make the person skilled in the art better understand the utility model scheme, the technical scheme in the embodiment of the utility model will be described clearly and completely in the embodiment of the utility model below, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0019] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "in", "out" and the like is the orientation or position relation based on the orientation or position relation shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0020] As Figures 1-4As shown, the utility model is a telescopic coupling, including the receiving cylinder 1, the receiving cylinder 1 is equipped with connecting rod 14, is equipped with the limiting slot 15 on connecting rod 14, and the outer wall of connecting rod 14 is equipped with second thread;Receiving cylinder 1 is equipped with recess 12, recess 12 is hingedly connected with limiting plate 13, and first thread 11 that is equipped with with second thread cooperation is equipped on limiting plate 13, and the nut 16 that is jointly screwed with first thread 11 is used to form the connection of connecting rod 14 and limiting plate 13;

[0021] When the distance between input port 5 and output port 4 is large or small, rotate the nut 16 upward, so that the nut 16 is separated from the first thread 11, at this time, the limiting plate 13 is separated from the recess 12, and the receiving cylinder 1 can be pulled, so as to adjust the distance between the input port 5 and the output port 4; after the distance is adjusted, the limiting plate 13 is pressed into the recess 12, and the nut 16 is rotated, which is screwed with the first thread, and the limiting plate 13 is fixed, so that the receiving cylinder 1 and the connecting rod 14 form a whole.

[0022] Preferably, the limiting plate 13 is Z-shaped, the lower end of the limiting plate 13 is hingedly connected to the inner wall of the recess 12, so that the recess 12 can be turned over, and the upper end of the limiting plate 13 is provided with the first thread 11 on the side away from each other; when the nut 16 is screwed with the first thread 11, the lower end of the nut 16 is in extrusion contact with the middle part of the limiting plate 13.

[0023] Preferably, the receiving cylinder 1 and the connecting rod 14 are provided with second receiving sleeves 52 at the ends away from each other, the first receiving sleeve 51 is provided on the second receiving sleeve 52 through the bolt 54, the gasket 53 is arranged between the first receiving sleeve 51 and the second receiving sleeve 52, the input port 5 is arranged on the first receiving sleeve 51, and the output port 4 is arranged on the second receiving sleeve 52.

[0024] Preferably, the first fixing ring 3 is sleeved on the receiving cylinder 1, the shaft sleeve 31 is arranged on the first fixing ring 3, and the fixing ring 32 is arranged on the shaft sleeve 31; the second fixing ring 33 is arranged on the upper second receiving sleeve 52, the second fixing ring 33 and the fixing ring 32 are attracted together through the magnetic ring, forming a connection, which protects the internal structure; the first fixing ring 3 enhances the stability of the receiving cylinder 1, the shaft sleeve 31 provides an additional protective barrier for the internal structure of the shaft sleeve 31 when stretched, effectively resisting the interference and damage of the external environment; the magnetic ring is closely connected through the attraction effect, which simplifies the installation steps and improves the work efficiency

[0025] Preferably, two flat grooves 2 are arranged on the receiving cylinder 1, so as to pull the receiving cylinder 1; the flat groove 2 provides a fulcrum, so that when the receiving cylinder 1 needs to be pulled, it can be more convenient and labor-saving.

[0026] Preferably, the bottom of the connecting rod 14 is provided with a recess, and a spring telescopic rod is arranged between the recess and the inner wall of the bottom of the receiving cylinder 1, so as to support the connecting rod 14 and ensure the stability thereof.

[0027] It can be understood that the above embodiments are only exemplary embodiments for illustrating the principles of the present application, and the present application is not limited thereto. Various modifications and improvements can be made by those skilled in the art without departing from the spirit and essence of the present application, and these modifications and improvements are also considered as the protection scope of the present application.

Claims

1. A telescoping coupling, comprising: Including the receiving cylinder (1), the connecting rod (14) is arranged in the receiving cylinder (1), the limiting groove (15) is formed on the connecting rod (14), and the outer wall of the connecting rod (14) is provided with a second thread; the recess (12) is formed on the receiving cylinder (1), the limiting plate (13) is hinged in the recess (12), the first thread (11) is formed on the limiting plate (13), the second thread and the first thread (11) are jointly screwed with the nut (16), so as to form the connection between the connecting rod (14) and the limiting plate (13).

2. A telescoping coupling as in claim 1 wherein: The limiting plate (13) is Z-shaped, the lower end of the limiting plate (13) is hinged with the inner wall of the recess (12), so that the recess (12) can be turned over, and the upper end of the limiting plate (13) and the opposite side are provided with the first thread (11).

3. A telescoping shaft coupling as in claim 1, wherein: The opposite end of the receiving cylinder (1) and the connecting rod (14) is provided with the second receiving sleeve (52), the first receiving sleeve (51) is provided on the second receiving sleeve (52) through the bolt (54), the gasket (53) is arranged between the first receiving sleeve (51) and the second receiving sleeve (52), the input port (5) is arranged on the first receiving sleeve (51), and the output port (4) is arranged on the second receiving sleeve (52).

4. A telescoping coupling as defined in claim 3 wherein: The first fixing ring (3) is arranged on the receiving cylinder (1), the shaft sleeve (31) is arranged on the first fixing ring (3), and the fixing ring (32) is arranged on the shaft sleeve (31); the second fixing ring (33) is arranged on the upper second receiving sleeve (52), the second fixing ring (33) and the fixing ring (32) are adsorbed together through the magnetic ring, and the connection is formed.

5. A telescoping shaft coupling as defined in claim 1 wherein: Two flat grooves (2) are formed on the receiving cylinder (1), so as to facilitate pulling the receiving cylinder (1).

6. A telescoping coupling as in claim 1, wherein: The recess is formed in the bottom of the connecting rod (14), and the spring telescopic rod is arranged between the recess and the inner wall of the bottom of the receiving cylinder (1), so as to support the connecting rod (14) and ensure the stability.