Planetary gear structure convenient to disassemble and assemble

By designing quick-release and enclosed components in the planetary gear structure, the problem of inconvenient replacement of the planetary gear shaft is solved, enabling quick-release installation and protection, and improving disassembly and assembly efficiency and installation stability.

CN223739972UActive Publication Date: 2025-12-30HANGZHOU MAIAN TRANSMISSION TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520642991.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2025-12-30
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

In the existing technology, the gear shaft of the planetary gear is inconvenient to replace quickly, which affects the disassembly and assembly efficiency, the protection of the connection, and the stability of the installation.

Method used

A structure including a planetary gear body and a planetary gear shaft is designed. It adopts a closed assembly, and a quick-release assembly is set inside the closed assembly. The quick-release assembly includes a hidden slot, a telescopic connecting rod, a locking block, and a telescopic spring. The telescopic spring drives the locking block to retract into the hidden slot, realizing quick-release installation. It is protected by a closed shell and fastening bolts.

Benefits of technology

It enables quick-release installation and protection of planetary gears, improving disassembly and assembly efficiency and installation stability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223739972U_ABST
    Figure CN223739972U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of planetary gears, and discloses a planetary gear structure convenient to disassemble and assemble, which comprises a planetary gear body and a planetary gear shaft, the planetary gear shaft is positioned in the planetary gear body, sealing components are arranged on two sides of the planetary gear body, and quick disassembly components are arranged on the inner sides of the sealing components. According to the planetary gear structure convenient to disassemble and assemble, the clamping block is driven by the telescopic spring to contract so that the clamping block can be contained in the hidden clamping groove, and quick-disassembly type installation of the planetary gear shaft and the planetary gear body can be conveniently controlled; the contraction of the contraction clamping plate is controlled to be matched with the same-position connecting rod, so that the contraction can be synchronously carried out, the quick dismounting effect is further realized, the contraction clamping plate is tightened during mounting, the planet wheel shaft penetrates from one side of the planet gear body, and when the limiting clamping block abuts against the limiting clamping groove, the contraction clamping plate is loosened, and the planet wheel shaft and the planet gear body can be clamped and fixed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to planetary gear technology field, concretely is a planetary gear structure convenient to dismount. BACKGROUND

[0002] Planetary gear is the gear system that in addition to can revolve around own rotation axis rotation, its rotation axis also revolves with planetary frame around other gear axis, revolves around own axis rotation is called "rotation", revolves around other gear axis rotation is called "revolution", just like the planet in solar system, therefore, get the name.

[0003] In prior art, there is integral structure and split structure between planetary gear shaft and planetary gear, planetary gear is engaged with gear ring and sun gear, planetary gear needs to use gear shaft to drive when working.

[0004] But the gear shaft of planetary gear in prior art is inconvenient to replace fast, influences the efficiency of dismounting, is inconvenient to protect the connecting portion, influences the stability of installation, therefore, an urgent need arises for a planetary gear structure convenient to dismount. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] The utility model discloses a planetary gear structure convenient to dismount to solve the problem that the gear shaft of planetary gear is inconvenient to replace fast in the background art, influences the efficiency of dismounting, is inconvenient to protect the connecting portion, influences the stability of installation.

[0007] (II) technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a planetary gear structure convenient to dismount, including planetary gear body and planetary wheel axle, the planetary wheel axle is located in the inside of planetary gear body, the both sides of planetary gear body are provided with closed assembly, the inboard of closed assembly is provided with quick release assembly, the quick release assembly includes hidden clamping groove, the hidden clamping groove is opened in one end of planetary wheel axle symmetry, the bottom of hidden clamping groove is connected with one end of telescopic connecting rod symmetry, the other end of telescopic connecting rod is connected with clamping block, the bottom of hidden clamping groove is connected with one end of telescopic spring symmetry, the other end of telescopic spring is connected with clamping block, and the bottom between two clamping blocks is provided with homopolar connecting rod.

[0009] As a preferred technical scheme of the utility model, the closing assembly comprises movable clamping grooves, the inner wall of one of the movable clamping grooves is provided with a closing shell, the outer wall of one of the clamping blocks is provided with a fastening screw groove, and the closing shell and the clamping block are connected and fixed through the fastening screw groove provided with a fastening bolt matched therewith.

[0010] As a preferred technical scheme of the utility model, the inner wall of the other movable clamping groove is rotatably provided with a closing disc, the closing disc is provided with a communicating fastening nut, the outer circumferential surface of the planetary gear shaft is provided with a connecting thread matched with the fastening nut, and the fastening nut is threadedly connected to the outside of the planetary gear shaft.

[0011] As a preferred technical scheme of the utility model, one side of the hidden clamping groove is provided with an opening, the other side of the hidden clamping groove is provided with an opening, the inner wall of the opening is slidably provided with one clamping block matched therewith, and the inner wall of the opening is slidably provided with the other clamping block matched therewith.

[0012] As a preferred technical scheme of the utility model, the inner wall of the movable clamping groove is symmetrically provided with a limiting clamping groove, the outer wall of the planetary gear shaft is symmetrically provided with a limiting clamping block matched with the limiting clamping groove, and the planetary gear shaft is connected and fixed through the limiting clamping block and the limiting clamping groove.

[0013] As a preferred technical scheme of the utility model, the bottom of one of the clamping blocks is provided with a retractable clamp plate, the clamping block is matched with the clamping groove, the clamping groove is symmetrically provided in the inner wall of the movable clamping groove, and the clamping block is movably clamped on the two sides of the planetary gear body through the clamping groove.

[0014] As a preferred technical scheme of the utility model, the telescopic spring is movably sleeved on the outside of the telescopic connecting rod.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1、the planetary gear structure convenient to disassemble, through the telescopic spring, the clamping block is retracted into the hidden clamping groove, the fast disassembly type installation of the planetary gear shaft and the planetary gear body is convenient to control, the clamping block is movably telescoped in the opening of the hidden clamping groove, the opening provided on the end surface of the planetary gear shaft is provided with an opening, the retractable clamp plate is conveniently extended, the retraction of the retractable clamp plate is controlled and matched with the synchronous retraction of the connecting rod, and the fast disassembly effect is realized, when the retractable clamp plate is retracted, the planetary gear shaft is inserted from one side of the planetary gear body, the retractable clamp plate is loosened when the limiting clamping block abuts against the limiting clamping groove, and the planetary gear shaft and the planetary gear body are clamped and fixed;

[0017] 2. The quick-release planetary gear structure, the movable clamping groove is closed by the closed shell, the movable clamping groove is convenient for protecting the retractable clamp plate, the closed shell and the clamping block are fixed by the fastening bolt, the movable clamping groove is closed by the closed circular plate, and the closed circular plate is fixed with the planetary gear shaft through the fastening nut, so that the quick-release assembly is protected. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a rear side structure schematic view of the utility model;

[0020] Figure 3 It is a sectional structure schematic view of the utility model;

[0021] Figure 4 It is a planetary gear body structure schematic view of the utility model;

[0022] Figure 5 It is a planetary gear shaft structure schematic view of the utility model;

[0023] Figure 6 It is a quick-release assembly local structure schematic view of the utility model.

[0024] In the drawing: 1, planetary gear body; 2, planetary gear shaft; 3, closed assembly; 301, movable clamping groove; 302, closed shell; 303, fastening screw groove; 304, fastening bolt; 305, closed circular plate; 306, fastening nut; 307, connecting thread; 4, quick-release assembly; 401, hidden clamping groove; 402, telescopic connecting rod; 403, telescopic spring; 404, clamping block; 405, homopolar connecting rod; 406, retractable clamp plate; 407, clamping groove; 408, limiting clamping groove; 409, limiting clamping block. DETAILED DESCRIPTION

[0025] 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.

[0026] Please refer to Figures 1-6The utility model provides a kind of technical scheme: a planetary gear structure convenient to dismount, including planetary gear body 1 and planetary gear shaft 2, planetary gear shaft 2 is located inside planetary gear body 1, the both sides of planetary gear body 1 are provided with closed assembly 3, the inside of closed assembly 3 is provided with quick release assembly 4, quick release assembly 4 includes hidden clamping groove 401, hidden clamping groove 401 is symmetrically opened in one end of planetary gear shaft 2, the bottom of hidden clamping groove 401 is symmetrically connected with one end of telescopic connecting rod 402, the other end of telescopic connecting rod 402 is connected with clamping block 404, the bottom of hidden clamping groove 401 is symmetrically connected with one end of telescopic spring 403, the other end of telescopic spring 403 is connected with clamping block 404, same-position connecting rod 405 is arranged between the bottom of two clamping blocks 404, telescopic spring 403 movably sheathes outside telescopic connecting rod 402, the top of one side of hidden clamping groove 401 is provided with aperture, the other side of hidden clamping groove 401 is provided with opening, one of clamping blocks 404 matched therewith is slidably arranged on the inner wall of aperture, the other clamping block 404 matched therewith is slidably arranged on the inner wall of opening, the inner wall of movable clamping groove 301 is symmetrically opened with limit clamping groove 408, the outer wall of planetary gear shaft 2 is symmetrically provided with limit clamping block 409 matched with limit clamping groove 408, one of clamping blocks 404 is provided with contraction clamp plate 406, clamping block 404 is matched with clamping groove 407, clamping groove 407 is symmetrically opened on the inner wall of movable clamping groove 301, clamping block 404 is movably clamped on the both sides of planetary gear body 1 by setting clamping groove 407, by telescopic spring 403 drive clamping block 404 contraction, clamping block 404 is received in hidden clamping groove 401, it is convenient to control quick release type installation of planetary gear shaft 2 and planetary gear body 1, clamping block 404 is movably telescoped in the aperture of hidden clamping groove 401, the aperture of the end surface of planetary gear shaft 2 is provided with opening, convenient contraction clamp plate 406 to extend, by controlling the contraction of contraction clamp plate 406 with same-position connecting rod 405 can keep the contraction synchronous, to realize the effect of quick release, when installing, contraction clamp plate 406 is contracted, planetary gear shaft 2 is inserted from the side of planetary gear body 1, when limit clamping block 409 is against limit clamping groove 408, contraction clamp plate 406 can be released, and planetary gear shaft 2 and planetary gear body 1 are clamped and fixed.

[0027] The closing assembly 3 comprises movable clamping grooves 301, the inner wall of one of the movable clamping grooves 301 is provided with a closing shell 302, the outer wall of one of the clamping blocks 404 is provided with a fastening screw groove 303, the fastening screw groove 303 is connected and fixed with the clamping block 404 by arranging a fastening bolt 304 matched therewith, the inner wall of the other movable clamping groove 301 is rotatably provided with a closing disc 305, the closing disc 305 is provided with a communicating fastening nut 306, the outer circumferential surface of the planet shaft 2 is provided with a connecting thread 307 matched with the fastening nut 306, the fastening nut 306 is threadedly connected to the outside of the planet shaft 2, the movable clamping groove 301 is closed by the closing shell 302, the movable clamping groove 301 is convenient for protecting the contraction clamping plate 406, the closing shell 302 is fixed with the clamping block 404 by the fastening bolt 304, the movable clamping groove 301 is closed by the closing disc 305, the closing disc 305 is threadedly fixed with the planet shaft 2 by the fastening nut 306, and the quick release assembly 4 is conveniently protected.

[0028] Working principle: first, the clamping block 404 is driven by the telescopic spring 403 to be retracted into the hidden clamping groove 401, so as to conveniently control the quick release installation of the planet shaft 2 and the planet gear body 1, the clamping block 404 is movably telescopic in the opening of the hidden clamping groove 401, the opening on the end surface of the planet shaft 2 is provided with an opening, the contraction clamping plate 406 is conveniently extended, the contraction of the contraction clamping plate 406 is kept synchronous by controlling the contraction of the contraction clamping plate 406 and the synchronous control of the connecting rod 405, so as to realize the quick release effect, when the planet shaft 2 is inserted from one side of the planet gear body 1, the contraction clamping plate 406 is loosened when the limiting block 409 abuts against the limiting clamping groove 408, so as to clamp and fix the planet shaft 2 and the planet gear body 1, the movable clamping groove 301 is closed by the closing shell 302, the movable clamping groove 301 is convenient for protecting the contraction clamping plate 406, the closing shell 302 is fixed with the clamping block 404 by the fastening bolt 304, the movable clamping groove 301 is closed by the closing disc 305, the closing disc 305 is threadedly fixed with the planet shaft 2 by the fastening nut 306, and the quick release assembly 4 is conveniently protected.

[0029] Finally, it should be noted that the above content is only used to illustrate the technical scheme of the present application, and is not a limitation on the protection scope of the present application. Simple modifications or equivalent replacements of the technical scheme of the present application by ordinary skilled in the art do not deviate from the essence and scope of the technical scheme of the present application.

Claims

1. A planetary gear structure which is easy to disassemble, characterized by: The application relates to a planetary gear body (1) and a planetary wheel shaft (2) which is located inside the planetary gear body (1), and the planetary gear body (1) is provided with a closing assembly (3) on both sides, the inner side of the closing assembly (3) is provided with a quick-release assembly (4), the quick-release assembly (4) comprises hidden clamping grooves (401) which are symmetrically formed at one end of the planetary wheel shaft (2), the bottom of each hidden clamping groove (401) is symmetrically connected with one end of an elastic telescopic connecting rod (402), the other end of the elastic telescopic connecting rod (402) is connected with a clamping block (404), the bottom of each hidden clamping groove (401) is symmetrically connected with one end of an elastic telescopic spring (403), the other end of the elastic telescopic spring (403) is connected with the clamping block (404), and a same-position connecting rod (405) is arranged between the bottoms of the two clamping blocks (404).

2. The planetary gear structure according to claim 1, wherein: The closing assembly (3) comprises movable clamping grooves (301), the inner wall of one of the movable clamping grooves (301) is provided with a closing shell (302), the outer wall of one of the clamping blocks (404) is provided with a fastening screw groove (303), the fastening screw groove (303) is connected and fixed with the clamping block (404) through a fastening bolt (304) matched with the fastening screw groove (303).

3. The planetary gear structure according to claim 2, wherein: The inner wall of the other movable clamping groove (301) is rotationally provided with a closing disc (305), the closing disc (305) is provided with a fastening nut (306) in communication, the outer circumferential surface of the planetary wheel shaft (2) is provided with a connecting thread (307) matched with the fastening nut (306), and the fastening nut (306) is threadedly connected to the outside of the planetary wheel shaft (2).

4. The planetary gear structure of claim 1, wherein: One side of the hidden clamping groove (401) is provided with an opening, the other side of the hidden clamping groove (401) is provided with an opening, the inner wall of the opening is slidably provided with one of the clamping blocks (404) matched with the opening, and the inner wall of the opening is slidably provided with the other clamping block (404) matched with the opening.

5. The planetary gear structure of claim 2, wherein: The inner wall of the movable clamping groove (301) is symmetrically provided with a limiting clamping groove (408), and the outer wall of the planetary wheel shaft (2) is symmetrically provided with a limiting clamping block (409) matched with the limiting clamping groove (408); and the planetary wheel shaft (2) is connected and fixed with the limiting clamping block (409) and the limiting clamping groove (408).

6. The planetary gear structure of claim 1, wherein: The bottom of one of the clamping blocks (404) is provided with a contraction clamp (406), the clamping block (404) is matched with a clamping groove (407), the clamping groove (407) is symmetrically formed in the inner wall of the movable clamping groove (301), and the clamping block (404) is movably clamped on both sides of the planetary gear body (1) through the clamping groove (407).

7. The planetary gear structure of claim 1, wherein: The elastic telescopic spring (403) is movably sleeved on the outside of the elastic telescopic connecting rod (402).