Rotary flange quick connecting device

By designing a quick-connect device for rotating flanges, and utilizing the self-locking mechanism of spline sleeves, guide sleeves, springs, and steel balls, the problems of time-consuming and laborious connection between the test motor and the product shaft, as well as bolt detachment, were solved, achieving a fast and stable connection.

CN223635173UActive Publication Date: 2025-12-05KANGMAIER MECHANICAL & ELECTRICAL (JIAXING) CO LTD
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Patent Information

Application Number
CN202520237829.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-12-05
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

In the existing technology, the connection operation between the test motor and the product shaft is time-consuming and labor-intensive, and there is a safety hazard of bolts coming loose when rotating at high speed.

Method used

A quick-connection device for a rotary flange was designed, comprising a spline sleeve, a guide sleeve, a spring, an elastic retaining ring, and steel balls. The device achieves a quick and stable connection through a self-locking mechanism between the spline sleeve and the spline shaft.

Benefits of technology

It enables a quick and easy connection between the test motor and the product shaft, reduces the difficulty of operation, improves the stability of the connection, and avoids the risk of bolts coming loose.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a quick connecting device for a rotary flange, and belongs to the technical field of quick connecting devices. The diameter of one section at the top of the spline housing is reduced to form a sleeving section, a spline is arranged on the inner wall, and a guide sleeve sleeves the spline housing; the top of the guide sleeve is matched with the sleeving section, the bottom of the guide sleeve is matched with the middle section of the spline sleeve, and the guide sleeve is elastically connected with the spline sleeve through a spring. A clamping groove is formed in the periphery of the top end of the spline housing; a plurality of mounting cavities are formed in the spline housing; the mounting cavity is located in the middle section of the spline sleeve and corresponds to the bottom of the guide sleeve, the mounting cavity penetrates through the spline sleeve from the inner wall of the spline sleeve, and a movable steel ball is arranged in the mounting cavity; and the steel ball is locked by the guide sleeve. The device is rapid in connection, simple in operation, and automatic in locking, and can greatly reduce the working efficiency of simulation testing.
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Description

TECHNICAL FIELD

[0001] The utility model relates to quick connecting device technical field, concretely relates to a rotary flange quick connecting device. BACKGROUND

[0002] The automobile drive axle needs to carry out function test after production, to guarantee that each part meets the requirement. When function test, need to connect test motor with product's axle to drive product rotation, simulate normal use time's rotation. Prior art installs flange on test motor output shaft and product main shaft, then uses bolt to connect, it is time -consuming and laborious to operate, if bolt is less tight or is tight, in high -speed rotation, it is extremely easy to come off, there is extremely high security risk. For this, the utility model provides a rotary flange quick connecting device. SUMMARY

[0003] The utility model discloses a rotary flange quick connecting device.

[0004] To solve the above technical problem, the utility model discloses a rotary flange quick connecting device, which comprises a spline sleeve.

[0005] A rotary flange quick connecting device, comprising: a spline sleeve; the spline sleeve is in a cylindrical structure, a top section of the spline sleeve has a reduced diameter to form a sleeving section, and a bottom outer periphery of the spline sleeve is connected with a connecting flange; a plurality of connecting screw holes are formed in the connecting flange;

[0006] A plurality of inwardly protruding splines are arranged on an inner wall of the spline sleeve, and an outer guide sleeve is arranged outside the spline sleeve; the top of the guide sleeve is matched with the sleeving section, the bottom of the guide sleeve is matched with the middle section of the spline sleeve, and a circular annular groove is formed in the inside of the guide sleeve; the circular annular groove and the sleeving section are combined to form a containing space; a spring is arranged in the containing space; the top end of the spring is connected with the top of the guide sleeve, and the bottom of the spring abuts against the bottom end of the sleeving section;

[0007] A clamping groove is formed in the outer periphery of the top end of the spline sleeve; an elastic retainer ring is arranged in the clamping groove; the elastic retainer ring is used to limit the position of the guide sleeve;

[0008] A plurality of installation cavities are formed in the inside of the spline sleeve; the installation cavities are located in the middle section of the spline sleeve and correspond to the bottom of the guide sleeve, extend through the spline sleeve from the inner wall of the spline sleeve, and are internally provided with movable steel balls; the steel balls can only partially move to the inside of the spline sleeve.

[0009] On the basis of the above-mentioned scheme and as a preferred scheme of the above-mentioned scheme, the top of the spline is provided with a chamfer.

[0010] On the basis of the above-mentioned scheme and as a preferred scheme of the above-mentioned scheme, the top of the spline is provided with a chamfer.

[0011] On the basis of the above scheme and as a preferred scheme of the above scheme, the length of the bottom of the guide sleeve is greater than the diameter of the mounting cavity.

[0012] On the basis of the above scheme and as a preferred scheme of the above scheme, the mounting cavities are evenly distributed along the circumference of the spline sleeve.

[0013] The utility model discloses the beneficial effect is: the utility model discloses the spline sleeve is fixedly connected on the test motor output shaft through bolt, uses when making its alignment connection in the spline shaft of test product, then pulls the guide sleeve to the output shaft direction, makes the guide sleeve bottom no longer stop the steel ball, again the spline sleeve is covered in the spline shaft, until the steel ball and the recess on the spline shaft correspond, loosens the guide sleeve, extrudes the steel ball and makes it fixedly cooperated in the recess, realizes the fixed connection of spline sleeve and spline shaft, connects fast, and the operation is simple, and automatic locking can greatly reduce the work efficiency of functional test. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model.

[0015] Figure 2 It is the working cooperation schematic diagram of the utility model.

[0016] In the drawing: 1, spline sleeve;2, connecting flange;3, connecting screw hole;4, spline;5, guide sleeve;6, spring;7, elastic baffle;8, steel ball;9, spline shaft. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model;Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the protection scope of the utility model.

[0018] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "up", "down", "inner", "outer", "top / bottom end" is the orientation or position relation based on the drawing shown, 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, construct and operate in a particular orientation, therefore can not be understood as the limitation of the utility model.

[0019] As Figure 1As shown in the figure, a rotating flange quick connecting device comprises a spline sleeve 1, which is in a cylindrical structure, and a top section of which is reduced in diameter to form a sleeving section, and a bottom outer periphery of which is connected with a connecting flange 2, and the connecting flange 2 is provided with a plurality of connecting screw holes 3, and the screw holes 3 are used to cooperate with bolts to connect the whole quick connecting device on the output shaft of a test motor.

[0020] A plurality of inwardly protruding splines 4 are arranged on the inner wall of the spline sleeve 1, and an outer guide sleeve 5 is arranged outside. The splines 4 are used to cooperate with the spline shaft 9 of a product to be tested to realize torque transmission. Preferably, a chamfer is arranged on the top of the spline 4 to facilitate the insertion of the spline shaft 9.

[0021] The top of the guide sleeve 5 cooperates with the sleeving section, the bottom cooperates with the middle section of the spline sleeve 1, the inside is provided with a circular annular groove, and the circular annular groove and the sleeving section of the spline sleeve 1 are combined to form a containing space. A spring 6 is arranged in the containing space, the top end of the spring 6 is in contact with the top of the guide sleeve 5, and the bottom end is in contact with the bottom end of the sleeving section, which is used to keep the relative position of the guide sleeve 5 and the spline sleeve 1.

[0022] A clamping groove is arranged on the outer periphery of the top end of the spline sleeve 1, and a resilient retainer ring 7 is arranged in the clamping groove. The resilient retainer ring 7 is used to limit the position of the guide sleeve 5 to prevent the guide sleeve 5 from being separated from the spline sleeve 1.

[0023] A plurality of installation cavities are arranged in the spline sleeve 1, and the installation cavities are uniformly distributed along the circumference of the spline sleeve 1. The installation cavities are located in the middle section of the spline sleeve 1 and correspond to the bottom of the guide sleeve 5, and are arranged from the inner wall of the spline sleeve 1 to the spline sleeve 1, and the inside is provided with a movable steel ball 8, and the steel ball 8 is only partially movable to the inside of the spline sleeve 1. A limiting mechanism is arranged in the installation cavity 1 to limit the excessive protrusion of the steel ball 8 to the inside of the spline sleeve 1, and the guide sleeve 5 is used to block the steel ball 8 to prevent it from moving to the outside of the spline sleeve 1. The length of the bottom of the guide sleeve 5 is greater than the diameter of the installation cavity to achieve a good blocking effect.

[0024] Preferably, chamfers are arranged on the outer periphery of the top end and the bottom end of the guide sleeve 5 to reduce the sharpness of the guide sleeve 5.

[0025] Working process: as shown in the figure, Figure 2 move the product to be tested to the front of the test device, so that the spline shaft 9 on it is opposite to the spline sleeve 1, move the guide sleeve 5 to the bottom of the spline sleeve 1, move the bottom of the guide sleeve 5 away, expose the installation cavity, the steel ball 8 can be moved, then sleeve the spline sleeve 1 on the spline shaft 9, and make the steel ball 8 cooperate with the groove of the spline shaft 9, loosen the guide sleeve 5, and under the action of the spring 6, return to the original position, clamp the steel ball 8, realize self-locking. After the test is completed, the guide sleeve 5 is also moved to make the steel ball 8 movable, so that it can be disassembled. The structure is simple, the connection is quick, and time and labor are saved.

[0026] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor based on the concept of the present application. Therefore, any technical solutions obtained by logical analysis, reasoning or limited experiments based on the existing technology within the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A rotary flange quick connect device, characterized by, Include: Spline sleeve (1); the spline sleeve (1) is in cylindrical structure, the diameter of the top section is reduced to form a sleeve section, the bottom outer periphery is connected with the connecting flange (2); a plurality of connecting screw holes (3) are formed on the connecting flange (2); A plurality of inwardly protruding splines (4) are arranged on the inner wall of the spline sleeve (1), and an external guide sleeve (5) is arranged outside; the top of the guide sleeve (5) is matched with the sleeve section, the bottom is matched with the middle section of the spline sleeve (1), and a circular annular groove is formed inside; the circular annular groove and the sleeve section are combined to form a containing space; a spring (6) is arranged in the containing space; the top end of the spring (6) is connected with the top of the guide sleeve (5), and the bottom end is abutted on the bottom end of the sleeve section; The top outer periphery of the spline sleeve (1) is provided with a clamping groove; the clamping groove is provided with an elastic retainer (7); the elastic retainer (7) is used for limiting the position of the guide sleeve (5); A plurality of installation cavities are formed in the spline sleeve (1); the installation cavities are located in the middle section of the spline sleeve (1) and correspond to the bottom of the guide sleeve (5), and are formed through the spline sleeve (1) from the inner wall of the spline sleeve (1), and the inside is provided with movable steel balls (8); the steel balls (8) can be partially moved to the inside of the spline sleeve (1).

2. A rotary flange quick connect device according to claim 1, characterized in that The top outer periphery and the bottom outer periphery of the guide sleeve (5) are chamfered.

3. A rotary flange quick connect device according to claim 1, wherein, The top of the spline (4) is chamfered.

4. A rotary flange quick connect device according to claim 1, wherein, The length of the bottom of the guide sleeve (5) is greater than the diameter of the installation cavity.

5. A rotary flange quick connect device according to claim 1, wherein, A plurality of installation cavities are uniformly distributed along the circumference of the spline sleeve (1).