Inner gear ring convenient to assemble

By facilitating the assembly of the internal gear ring structure, the problems of cumbersome assembly and wear of the internal gear ring are solved, enabling rapid assembly and automatic lubrication, thus improving efficiency and lifespan.

CN223908737UActive Publication Date: 2026-02-13SUZHOU WUJIE PRECISION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520861560.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-05
Publication Date
2026-02-13
Estimated Expiration
2035-05-05

AI Technical Summary

Technical Problem

The existing internal gear ring assembly process is cumbersome and easily causes wear on the shaft and internal gear ring, resulting in reduced work efficiency.

Method used

It adopts a convenient assembly internal gear ring structure, including mounting shell, sliding block, positioning hole, positioning rod, lubrication structure, etc., and achieves quick assembly and automatic lubrication through limit and lubrication design, reducing wear.

Benefits of technology

It enables quick and convenient assembly of internal gear rings, improves work efficiency, reduces failure rate, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of industrial production, and discloses a conveniently assembled inner gear ring which comprises an installation shell, a plurality of sliding blocks are connected to the inner wall of the installation shell in a sliding mode, a plurality of positioning holes are formed in the bottom of the inner wall of the installation shell, installation grooves are formed in the bottoms of the inner walls of the positioning holes, and positioning rods are connected to the inner walls of the positioning holes in a sliding mode. A screw rod is fixedly connected to the bottom end of the positioning rod, a mounting cover is fixedly connected to the top end of the positioning rod, a nut is arranged on the outer wall of the screw rod, the inner wall of the nut is in threaded connection with the outer wall of the screw rod, and a plurality of limiting holes are formed in the inner wall of each sliding block. According to the utility model, after the mounting shell is sleeved on the shaft, the sliding block is sequentially placed into the inner wall of the mounting shell by keeping the limiting hole aligned with the positioning hole, the mounting cover covers the sliding block, and then the nut is rotated to limit the screw rod in the mounting groove, so that the purpose of quick and portable assembly is achieved, the working efficiency is accelerated, and the practicability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to industrial production technical field especially, it relates to convenient assembly inner tooth ring. BACKGROUND

[0002] Inner tooth ring, also known as inner gear, inner tooth sleeve and inner tooth ring, is a kind of common mechanical parts, mainly used to transmit power and movement, it can be installed on the shaft, and mesh with the external gear, constitute a part of gear pair, because its performance and quality directly affect the running efficiency and life of the whole mechanical system, so the design and assembly of inner tooth ring need to be able to withstand the expected load.

[0003] The assembly of inner tooth ring is an important process in mechanical manufacturing and maintenance, which is to correctly install the inner tooth ring on the shaft and ensure the cooperation accuracy with the external gear or other meshing parts, during assembly, the oil stains, rust marks and dust on the shaft and inner tooth ring need to be removed first, then appropriate amount of lubricating oil is applied on the assembly surface of the shaft and the inner hole of the inner tooth ring to reduce the friction during assembly, finally the inner tooth ring is placed on the shaft, and hammer, press and puller can be used for assistance, and correct assembly process is crucial to ensure the normal work of inner tooth ring and the reliability of the whole mechanical system.

[0004] The existing assembly of inner tooth ring can assemble the whole inner tooth ring with the shaft through special tools, and the assembly process is relatively cumbersome and easy to cause wear of the shaft and inner tooth ring, resulting in low working efficiency and poor practicability. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a convenient assembly inner tooth ring, which aims at improving the problem of the existing assembly process of the existing inner tooth ring in the prior art, which is relatively cumbersome and easy to cause wear of the shaft and inner tooth ring, resulting in low working efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: the convenient assembly inner tooth ring comprises an installation shell, a plurality of sliding blocks are slidably connected to the inner wall of the installation shell, a plurality of positioning holes are formed in the bottom of the inner wall of the installation shell, an installation slot is formed in the bottom of the inner wall of the positioning hole, a positioning rod is slidably connected to the inner wall of the positioning hole, a screw rod is fixedly connected to the bottom end of the positioning rod, an installation cover is fixedly connected to the top end of the positioning rod, a nut is arranged on the outer wall of the screw rod, the inner wall of the nut is threadedly connected with the outer wall of the screw rod, a plurality of limiting holes are formed in the inner wall of the sliding block, a lubricating structure is arranged on the outer wall of the installation shell, and the lubricating structure is used for injecting lubricating liquid during long-time high-speed operation.

[0007] As a further description of the above technical scheme:

[0008] The lubricating structure comprises an oil injection hole arranged on the outer wall of the mounting shell, a threaded plug threadedly connected to the inner wall of the oil injection hole, a liquid storage pipe communicated with the inner wall of the oil injection hole on the inward side, a plurality of flow guide grooves communicated with the inner wall of the liquid storage pipe, a liquid outlet groove communicated with the inner wall of the flow guide groove, and a ball slidingly connected to the inner wall of the liquid outlet groove, and the inward side of the ball is fixedly connected with a torsion spring.

[0009] As a further description of the above technical solution:

[0010] The outer wall of the torsion spring is slidingly connected with the inner wall of the liquid outlet groove, and the inward side of the ball is attached to the outward side of the liquid outlet groove.

[0011] As a further description of the above technical solution:

[0012] The outer wall of the sliding block is fixedly connected with the buffer cotton, and the outer wall of the nut is slidingly connected with the inner wall of the mounting groove.

[0013] As a further description of the above technical solution:

[0014] The inward side of the sliding block is fixedly connected with a plurality of clamping teeth, and the plurality of clamping teeth are fixedly connected at the same horizontal height.

[0015] As a further description of the above technical solution:

[0016] The bottom of the mounting cover is fixedly connected with a rubber ring, and the bottom of the rubber ring is attached to the top of the sliding block.

[0017] As a further description of the above technical solution:

[0018] The top of the nut is provided with a gasket, and the inner wall of the gasket is slidingly connected with the outer wall of the screw rod.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the mounting cover is slidingly connected with the inner wall of the mounting shell, and the plurality of positioning holes are arranged at the same horizontal height.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、The utility model discloses a mounting shell is set on the shaft, and the sliding block is put into the inner wall of the mounting shell in the order of the limiting hole and the positioning hole, then the mounting cover is covered, the positioning rod is inserted into the limiting hole, the screw rod is stretched out from the mounting groove, and then the screw nut is rotated to limit the screw rod in the mounting groove, so that the purpose of quick and portable assembly is achieved, the working efficiency is improved, and the practicability is improved.

[0023] 2. The utility model discloses a lubricating structure, which comprises a mounting shell, a mounting cover, a lubricating structure, a screw rod, a mounting groove, a nut, a positioning rod, a sliding block, a limiting hole, a positioning hole, a clamping tooth, a gasket, a buffer cotton and a rubber ring. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is front side perspective drawing of convenient assembly inner tooth ring that the utility model provides;

[0025] Figure 2 It is top view sub -graph of convenient assembly inner tooth ring that the utility model provides;

[0026] Figure 3 It is Figure 2 Enlarged view of A of convenient assembly inner tooth ring that the utility model provides;

[0027] Figure 4 It is positioning rod partial structure split drawing of convenient assembly inner tooth ring that the utility model provides;

[0028] Figure 5 It is threaded plug partial structure split drawing of convenient assembly inner tooth ring that the utility model provides;

[0029] Figure 6 It is sectional view of convenient assembly inner tooth ring that the utility model provides.

[0030] LEGEND:

[0031] 1, installation shell;2, lubricating structure;201, oil injection hole;202, threaded plug;203, liquid outlet groove;204, flow guide groove;205, torsion spring;206, ball;207, liquid storage pipe;3, mounting cover;4, screw rod;5, mounting groove;6, nut;7, positioning rod;8, sliding block;9, limiting hole;10, positioning hole;11, clamping tooth;12, gasket;13, buffer cotton;14, rubber ring. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] Please refer to the drawings of the utility model Figure 1 - the drawings of the utility model Figure 3The utility model provides an embodiment: convenient assembly internal tooth circle, including installation shell 1, the inner wall sliding connection of installation shell 1 has a plurality of sliding blocks 8, installation shell 1 is used for installing the whole structure, the inner wall bottom of installation shell 1 is equipped with a plurality of positioning hole 10, the inner wall bottom of positioning hole 10 is equipped with installation slot 5, the inner wall sliding connection of positioning hole 10 has the positioning rod 7, and the inner wall of positioning hole 10 is used for positioning installation,

[0034] Specifically, installation shell 1 is the base of the whole structure installation, positioning hole 10 is used for guiding and limiting the structure to be installed, providing a base point for the direction during installation, and installation slot 5 is used for limiting the components extending out of positioning hole 10.

[0035] Please refer to the accompanying drawings Figure 4 - the accompanying drawings Figure 6 The bottom end of the positioning rod 7 is fixedly connected with a screw rod 4, and the top end of the positioning rod 7 is fixedly connected with an installation cover 3, the installation cover 3 is used to ensure that the positioning rod 7 always remains at the same horizontal height, the outer wall of the screw rod 4 is provided with a nut 6, the inner wall of the nut 6 is threadedly connected with the outer wall of the screw rod 4, a plurality of limiting holes 9 are formed in the inner wall of the sliding block 8, the nut 6 is used to fix the screw rod 4, the outer wall of the installation shell 1 is provided with a lubricating structure 2, the lubricating structure 2 is used to inject lubricating liquid during long-time high-speed operation, and the limiting hole 9 is used to limit the position of the sliding block 8.

[0036] Specifically, the limiting hole 9 positions the installation position of the sliding block 8 while limiting the position of the sliding block 8, the nut 6 can fix the screw rod 4 at a specified position through threads, so that the structure fixed therewith is limited together, the installation cover 3 is used to move the positioning rod 7, and the positioning rod 7 can limit the sliding block 8 by being inserted into the limiting hole 9.

[0037] Please refer to the accompanying drawings Figure 3 - the accompanying drawings Figure 5 The lubricating structure 2 includes an oil injection hole 201, the oil injection hole 201 is arranged on the outer wall of the installation shell 1, the inner wall of the oil injection hole 201 is threadedly connected with a threaded plug 202, the oil injection hole 201 is used for a user to inject lubricating oil into the structure, the inner wall of the oil injection hole 201 is communicated with a liquid storage pipe 207 on the inward side, the inner wall of the liquid storage pipe 207 is communicated with a plurality of flow guide grooves 204, the liquid storage pipe 207 is used to store lubricating oil to be used, the inner wall of the flow guide groove 204 is communicated with a liquid outlet groove 203, the inner wall of the liquid outlet groove 203 is slidingly connected with a ball 206, the inward side of the ball 206 is fixedly connected with a torsion spring 205, and the ball 206 can move in the flow guide groove 204 through centrifugal force.

[0038] Specific, threaded plug 202 can prevent the inner tooth ring high-speed operation, the oil hole 201 in the lubricating oil splash, the user can fill the storage pipe 207 by injecting lubricating oil into the oil hole 201, so as to fill the lubricating liquid, torsion spring 205 can be pulled back to the inner tooth ring stops rotating, the ball 206.

[0039] Please refer to the attached Figure 2 - attached Figure 4 The outer wall of the sliding block 8 is fixedly connected with the buffer cotton 13, the outer wall of the nut 6 is slidably connected with the inner wall of the mounting groove 5, the top of the nut 6 is provided with a gasket 12, the buffer cotton 13 is used to reduce the noise during operation, the inner wall of the gasket 12 is slidably connected with the outer wall of the screw rod 4, the outer wall of the mounting cover 3 is slidably connected with the inner wall of the mounting shell 1, a plurality of positioning holes 10 are arranged at the same horizontal height, the gasket 12 is used to avoid the direct contact between the nut 6 and the outer wall of the mounting shell 1, causing abrasion, the bottom of the mounting cover 3 is fixedly connected with a rubber ring 14, the outer wall of the torsion spring 205 is slidably connected with the inner wall of the liquid outlet groove 203, the inward side of the ball 206 is fitted with the outward side of the liquid outlet groove 203, the rubber ring 14 can extrude the sliding block 8 to make the limiting more firm, the bottom of the rubber ring 14 is fitted with the top of the sliding block 8, the inward side of the sliding block 8 is fixedly connected with a plurality of clamping teeth 11, the plurality of clamping teeth 11 are fixedly connected at the same horizontal height, the clamping teeth 11 are used to mesh with other structures to transmit rotation;

[0040] Specifically, the positioning holes 10 arranged at the same horizontal height ensure the accuracy and consistency of installation, the rubber ring 14 can extrude the sliding block 8 to make it fit more closely with the inner wall of the mounting shell 1, thereby avoiding the shaking caused by the contrast during work, the buffer cotton 13 can effectively absorb the impact of the sliding block 8 during movement, reduce noise, prolong the service life of the tooth ring, the gasket 12 can reduce the friction between the nut 6 and the mounting shell 1, thereby preventing the nut 6 from loosening due to long-term use.

[0041] Working principle: when assembling the inner tooth ring, first, the mounting shell 1 is sleeved on the shaft, then the plurality of sliding blocks 8 are put into the preformed grooves in the mounting shell 1, and the limiting holes 9 correspond to the positioning holes 10, then the positioning rod 7 is inserted into the limiting hole 9, until the screw rod 4 is inserted into the mounting groove 5 from the positioning hole 10, then rotate the nut 6 to fix all the mechanisms;

[0042] Firstly, the lubricating oil is injected into the liquid storage tube 207 through the oil injection hole 201, and then the threaded plug 202 is rotated to seal the oil injection hole 201. When the gear ring is running at high speed, the ball 206 will be pulled out of the adhesion with the liquid outlet groove 203 and enter the flow guide groove 204 due to the centrifugal force, so that the lubricating liquid in it flows into the device through the torsion spring 205 for lubrication. When it stops, the torsion spring 205 will be bounced back to reset the ball 206.

[0043] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included within the scope of the present application.

Claims

1. A ring gear for easy assembly, comprising a mounting shell (1), characterized in that: The inner wall of the mounting shell (1) is slidably connected with a plurality of sliding blocks (8), a plurality of positioning holes (10) are arranged on the bottom of the inner wall of the mounting shell (1), an installation groove (5) is arranged on the bottom of the inner wall of the positioning hole (10), a positioning rod (7) is slidably connected with the inner wall of the positioning hole (10), the bottom end of the positioning rod (7) is fixedly connected with a screw rod (4), the top end of the positioning rod (7) is fixedly connected with an installation cover (3), the outer wall of the screw rod (4) is provided with a nut (6), the inner wall of the nut (6) is threadedly connected with the outer wall of the screw rod (4), a plurality of limiting holes (9) are arranged on the inner wall of the sliding block (8), and a lubricating structure (2) is arranged on the outer wall of the mounting shell (1). The lubricating structure (2) is used for injecting lubricating liquid during long-time high-speed operation.

2. The ready-to-assemble ring gear of claim 1, wherein: The lubricating structure (2) comprises an oil injection hole (201) arranged on the outer wall of the mounting shell (1), a threaded plug (202) threadedly connected with the inner wall of the oil injection hole (201), a liquid storage pipe (207) in communication with the inner wall of the oil injection hole (201) on the inward side, a plurality of flow guide grooves (204) in communication with the inner wall of the liquid storage pipe (207), an outlet groove (203) in communication with the inner wall of the flow guide groove (204), and a plurality of rolling balls (206) slidably connected with the inner wall of the outlet groove (203). The inward side of the rolling ball (206) is fixedly connected with a torsion spring (205).

3. The ready-to-assemble ring gear of claim 2, wherein: The outer wall of the torsion spring (205) is slidably connected with the inner wall of the outlet groove (203), and the inward side of the rolling ball (206) is attached to the outward side of the outlet groove (203).

4. The ready-to-assemble ring gear of claim 1, wherein: The outer wall of the sliding block (8) is fixedly connected with a buffer cotton (13), and the outer wall of the nut (6) is slidably connected with the inner wall of the installation groove (5).

5. The ready-to-assemble ring gear of claim 1, wherein: The inward side of the sliding block (8) is fixedly connected with a plurality of clamping teeth (11), and the plurality of clamping teeth (11) are fixedly connected at the same horizontal height.

6. The ready-to-assemble ring gear of claim 1, wherein: The bottom of the installation cover (3) is fixedly connected with a rubber ring (14), and the bottom of the rubber ring (14) is attached to the top of the sliding block (8).

7. The ready-to-assemble ring gear of claim 1, wherein: The top of the nut (6) is provided with a gasket (12), and the inner wall of the gasket (12) is slidably connected with the outer wall of the screw rod (4).

8. The ready-to-assemble ring gear of claim 1, wherein: The outer wall of the installation cover (3) is slidably connected with the inner wall of the mounting shell (1), and the plurality of positioning holes (10) are arranged at the same horizontal height.