Quick connecting assembly for automobile axle tube

By using a combination of threaded connection at the shaft tube connection of the car axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle axle ax

CN222950264UActive Publication Date: 2025-06-06DANJIANGKOU FENGDA IND & TRADE CO LTD
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Patent Information

Application Number
CN202421560520.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-06-06
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

The existing automobile axle shaft tube connection method is achieved through welding, which easily leads to position deviation and welding failure due to shaft tube shaking, affecting the connection effect.

Method used

The combination of threaded plugging is used instead of welding. By setting threaded holes and positioning holes on the shaft tube and the connecting head, and mechanical linkage between the stud and the worm gear is used to achieve rapid connection and disassembly.

Benefits of technology

Ensure coaxial stability of the shaft tube and the connecting head during installation, avoid welding failure problems, and improve connection efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile axle tube quick connection assembly which comprises a connector and an axle tube, a guide sleeve is fixedly sleeved on the right side outside the connector, a plurality of first threaded holes are integrally arranged on the left side inside the axle tube, and a plurality of receding holes are integrally arranged on the left side inside the axle tube. According to the utility model, a threaded insertion combination mode replaces a transmission welding process, welding failure caused by shaking of the axle tube in the welding process and influence on the connection effect of the axle tube are avoided, in addition, through the threaded insertion combination mode, the coaxial stability of the axle tube and the connector in the installation process is ensured, and the service life of the axle tube is prolonged. And the shaking phenomenon of the shaft tube in the connecting and mounting process is eliminated. Through the design of mechanical linkage, a plurality of studs can be in a synchronous operation state only by rotating the connecting sleeve, so that the studs in operation quickly connect the connector and the shaft tube which are in a coaxial state, and the connecting efficiency of the connector and the shaft tube is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts manufacturing, in particular to an automobile axle tube quick connection component. Background Art

[0002] At present, most of the existing automobile drive axle housings are manufactured using steel plate stamping and welding technology. The axle housing is mainly welded together by half-shells, axle tubes, reinforcement rings, rear covers, accessories, etc. If the circumferential weld between the axle tube and the housing fails, it will cause accidents such as the vehicle being unable to drive or rolling over, resulting in loss of life and property.

[0003] The patent name is "CN113246660A", which is a patent with the publication number of "A Bushing Ring for Connecting the Axle Tube of an Automobile Axle Shell and a Manufacturing Method". The public document ensures the effect of the axle tube welding installation by designing the internal groove of the bushing ring to be V-shaped, but the connection method in the public document is achieved by welding. During the welding process, when the axle tube shakes and causes the axle tube to move, the axle tube and the bushing ring will be offset, which will cause the axle tube welding to fail. Based on this, the utility model designs an automobile axle tube quick connection assembly to solve the above problem. Utility Model Content

[0004] The utility model aims to provide an automobile axle tube quick connection assembly to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a kind of automobile axle tube quick connection assembly, including a connecting head and axle tube, the outer right side fixing sleeve of the connecting head is provided with a guide sleeve, the inner left side of the axle tube is integrally provided with a plurality of first threaded holes, the inner left side of the axle tube is integrally provided with a plurality of give-way holes, a locking assembly is arranged on the outer side of the guide sleeve, a positioning assembly is arranged on the inner side of the connecting head, the locking assembly includes a cavity integrally provided inside the guide sleeve, a plurality of studs are threadedly penetrated by a plurality of studs on the outer side of the guide sleeve, the positioning assembly includes a mounting plate fixedly arranged on the inner left side of the connecting head, a plurality of positioning rods are fixedly arranged around the right side of the mounting plate, and a second threaded hole is integrally provided on the inner right side of the positioning rod.

[0006] Furthermore, the plurality of the first threaded holes and the plurality of the clearance holes are distributed around the axis of the shaft tube, and the first threaded holes and the clearance holes correspond to each other one by one.

[0007] Furthermore, the first threaded hole, the second threaded hole and the avoidance hole are all through-hole designs, the diameters of the first threaded hole and the second threaded hole are equal, and a avoidance hole is integrally provided at the middle end of the interior of the mounting plate.

[0008] Furthermore, the worm wheel sleeved on the outside of the stud is transfer-connected to the guide sleeve, and guide grooves are integrally provided on the left and right sides of the inside of the stud.

[0009] Furthermore, a sliding block is slidably connected inside the guide groove, the outer side of the sliding block is fixedly connected to the inner side of the worm gear, and the stud and the first threaded hole and the second threaded hole can be threadedly connected and assembled and disassembled.

[0010] Furthermore, a plurality of worms are connected inside the guide sleeve, the worms and worm wheels correspond to each other one by one, and the worms are meshed with the worm wheel teeth.

[0011] Furthermore, a connecting sleeve is provided on the left rotating sleeve outside the guide sleeve, and an external thread of the connecting sleeve penetrates the limiting rod.

[0012] Furthermore, a plurality of sockets are integrally provided on the left side of the connector, the sockets are blind hole designs, and the plurality of sockets are distributed around the axis of the connector as the center.

[0013] Furthermore, a ring-shaped rack is fixedly provided on the right side of the connecting sleeve, and the rack is meshed with the gear teeth of a gear fixedly sleeved on the left side of the worm.

[0014] Furthermore, the outer diameter of the connector is consistent with the outer diameter of the shaft tube, and the inner diameter of the guide sleeve is consistent with the outer diameter of the shaft tube.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model replaces the transmission welding process with a combination of threaded plug-in, thereby avoiding welding failure caused by shaking of the shaft tube during welding, which affects the connection effect of the shaft tube. In addition, the utility model ensures the stability of the shaft tube being coaxial with the connecting head during installation through a combination of threaded plug-in, eliminating the occurrence of shaking of the shaft tube during connection and installation.

[0017] 2. The utility model adopts a mechanical linkage design, and a plurality of studs can be put into a synchronous operation state simply by rotating the connecting sleeve, so that the running studs can quickly connect the coaxial connecting head and the shaft tube. It can be seen that by using the device in this application, the connection efficiency between the connecting head and the shaft tube is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a three-dimensional diagram of a quick-connect assembly for an automobile axle tube according to the utility model;

[0020] Figure 2 This is a three-dimensional diagram of the internal structure of an automobile axle tube quick connection assembly of the utility model;

[0021] Figure 3 A three-dimensional diagram of the guide sleeve;

[0022] Figure 4 is a three-dimensional diagram of a connecting sleeve;

[0023] Figure 5 is a stereogram of the connector;

[0024] Figure 6 A three-dimensional diagram of the shaft tube.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1-connecting head, 2-shaft tube, 3-guide sleeve, 4-first threaded hole, 5-allowance hole, 6-locking assembly, 7-positioning assembly, 601-cavity, 602-stud, 701-mounting plate, 702-positioning rod, 703-second threaded hole, 8-avoidance hole, 9-worm gear, 10-guide groove, 11-slider, 12-worm, 13-connecting sleeve, 14-limiting rod, 15-jack, 16-rack, 17-gear. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example 1

[0029] like Figure 1 , Figure 2 , Figure 5 , Figure 6As shown, the device includes a connector 1 and a shaft tube 2, a guide sleeve 3 is provided on the right side of the external fixing sleeve of the connector 1, a plurality of first threaded holes 4 are integrally provided on the left side of the internal shaft tube 2, a plurality of make way holes 5 are integrally provided on the left side of the internal shaft tube 2, a locking assembly 6 is provided on the outside of the guide sleeve 3, a positioning assembly 7 is provided on the inside of the connector 1, the locking assembly 6 includes a cavity 601 integrally provided on the inside of the guide sleeve 3, a plurality of studs 602 are penetrated by threads on the outside of the guide sleeve 3, the positioning assembly 7 includes a mounting plate 701 fixedly provided on the left side of the internal connector 1, a plurality of positioning rods 702 are fixedly provided on the right side of the mounting plate 701, and a second threaded hole 703 is integrally provided on the right side of the internal positioning rod 702.

[0030] The first threaded holes 4 of several pieces and the clearance holes 5 of several pieces are distributed around the axis of the shaft tube 2, and the first threaded holes 4 and the clearance holes 5 correspond to each other one by one. The first threaded holes 4, the second threaded holes 703 and the clearance holes 5 are all through-hole designs. The diameters of the first threaded holes 4 and the second threaded holes 703 are the same, and an avoidance hole 8 is integrally provided at the middle end of the interior of the mounting plate 701. First, the connecting head 1 is integrally connected to the shell of the bridge housing. The staff first inserts the left end of the shaft tube 2 into the guide sleeve 3, so that the shaft tube 2 and the connecting head 1 are in a coaxial state, until the left end of the shaft tube 2 coincides with the right end of the connecting head 1. At the same time, the positioning rod 702 passes through the clearance hole 5. At this time, the first threaded hole 4, the second threaded hole 703 and the stud 602 coincide with each other. The staff then rotates the stud 602 in turn in the forward direction, so that the stud 602 is threadedly connected to the first threaded hole 4 and the second threaded hole 703 in turn. In this way, the connection between the connecting head 1 and the shaft tube 2 is realized, and the avoidance hole 8 makes way for the connecting space between the inside of the shaft tube 2 and the inside of the connecting head 1.

[0031] Example 2

[0032] like Figure 2 , Figure 3 , Figure 4As shown, the worm wheel 9 sleeved on the outside of the stud 602 is connected to the guide sleeve 3, and the left and right sides of the stud 602 are integrally provided with guide grooves 10, and the guide grooves 10 are slidably connected with sliders 11, and the outer side of the slider 11 is fixedly connected to the inner side of the worm wheel 9. The stud 602 and the first threaded hole 4 and the second threaded hole 703 can be disassembled and assembled by threaded connection. The guide sleeve 3 is connected with a plurality of worms 12, and the worms 12 and the worm wheels 9 correspond to each other one by one, and the worms 12 and the worm wheels 9 are meshed with each other. The left side of the guide sleeve 3 is The rotating sleeve is provided with a connecting sleeve 13, and the external thread of the connecting sleeve 13 passes through a limit rod 14. A plurality of sockets 15 are integrally provided on the left side of the interior of the connector 1. The sockets 15 are blind hole designs, and the plurality of sockets 15 are distributed around the axis of the connector 1 as the center. A ring-shaped rack 16 is fixed on the right side of the interior of the connecting sleeve 13, and the rack 16 is meshed with the gear 17 fixedly sleeved on the left side of the outside of the worm 12. The outer diameter of the connector 1 is consistent with the outer diameter of the shaft tube 2, and the inner diameter of the guide sleeve 3 is consistent with the outer diameter of the shaft tube 2.

[0033] According to the operation method in Example 1, when the stud 602, the first threaded hole 4 and the second threaded hole 703 overlap each other, the staff can rotate the connecting sleeve 13 forward, so that the connecting sleeve 13 drives the rack 16 to drive the gear 17 to link the worm 12 and the worm wheel 9 to rotate. At this time, the worm wheel 9 drives the slider 11 to rotate together with the stud 602. Through the threaded connection between the stud 602 and the guide sleeve 3, the rotating stud 602 moves along the direction of the first threaded hole 4 and the second threaded hole 703, thereby realizing that a large number of studs 602 are in a synchronous operation state and connected with the corresponding first threaded hole 4 and the second threaded hole 703, thereby improving the convenience of the combined connection between the connector 1 and the shaft tube 2. In addition, through the sliding connection between the slider 11 and the guide groove 10, the normality of the stud 602 rotating and displacing is ensured. When the connector 1 and the shaft tube 2 are firmly connected, the staff screws the limit rod 14 into the current corresponding socket 15 to lock the state of the stud 602 after displacement.

Claims

1. An automobile axle tube quick connection assembly, comprising a connector (1) and an axle tube (2), characterized in that: A guide sleeve (3) is provided on the right side fixed sleeve of the external part of the connector (1); a plurality of first threaded holes (4) are integrally provided on the left side of the internal part of the shaft tube (2); a plurality of clearance holes (5) are integrally provided on the left side of the internal part of the shaft tube (2); a locking assembly (6) is provided on the external part of the guide sleeve (3); a positioning assembly (7) is provided on the internal part of the connector (1); the locking assembly (6) includes a cavity (601) integrally provided on the internal part of the guide sleeve (3); a plurality of studs (602) are threadedly penetrated on the external part of the guide sleeve (3); the positioning assembly (7) includes a mounting plate (701) fixedly provided on the left side of the internal part of the connector (1); a plurality of positioning rods (702) are integrally provided on the right side of the mounting plate (701); and a second threaded hole (703) is integrally provided on the right side of the internal part of the positioning rod (702).

2. The automobile axle tube quick connection assembly according to claim 1, characterized in that: The plurality of first threaded holes (4) and the plurality of clearance holes (5) are distributed around the axis of the shaft tube (2) as the center, and the first threaded holes (4) and the clearance holes (5) correspond to each other one by one.

3. The automobile axle tube quick connection assembly according to claim 1, characterized in that: The first threaded hole (4), the second threaded hole (703) and the avoidance hole (5) are all through-hole designs; the diameters of the first threaded hole (4) and the second threaded hole (703) are equal; and a avoidance hole (8) is integrally provided at the middle end of the interior of the mounting plate (701).

4. The automobile axle tube quick connection assembly according to claim 1, characterized in that: The worm wheel (9) sleeved on the outside of the stud (602) is connected to the guide sleeve (3) by transfer, and guide grooves (10) are integrally provided on the left and right sides of the inside of the stud (602).

5. The automobile axle tube quick connection assembly according to claim 4, characterized in that: A slider (11) is slidably connected inside the guide groove (10), and the outer side of the slider (11) is fixedly connected to the inner side of the worm gear (9). The stud (602) and the first threaded hole (4) and the second threaded hole (703) can be threadedly connected for assembly and disassembly.

6. The automobile axle tube quick connection assembly according to claim 1, characterized in that: A plurality of worms (12) are connected inside the guide sleeve (3), the worms (12) and the worm wheels (9) correspond to each other one by one, and the worms (12) and the worm wheels (9) are meshed with each other.

7. The automobile axle tube quick connection assembly according to claim 1, characterized in that: The left rotating sleeve outside the guide sleeve (3) is provided with a connecting sleeve (13), and the external thread of the connecting sleeve (13) penetrates a limiting rod (14).

8. The automobile axle tube quick connection assembly according to claim 1, characterized in that: A plurality of jacks (15) are integrally arranged on the left side of the interior of the connector (1), wherein the jacks (15) are blind holes, and the plurality of jacks (15) are distributed around the axis of the connector (1).

9. The automobile axle tube quick connection assembly according to claim 7, characterized in that: A toothed rack (16) with an annular orientation is fixedly arranged on the right side of the interior of the connecting sleeve (13), and the toothed rack (16) is meshed with the gear teeth of a gear (17) fixedly sleeved on the left side of the exterior of the worm (12).

10. The automobile axle tube quick connection assembly according to claim 1, characterized in that: The outer diameter of the connector (1) is consistent with the outer diameter of the shaft tube (2), and the inner diameter of the guide sleeve (3) is consistent with the outer diameter of the shaft tube (2).

Citation Information

Patent Citations

  • Bushing ring for connecting axle tube and axle housing of automobile and manufacturing method

    CN113246660A