Gear connecting shaft dismounting and mounting structure

Abstract

The utility model relates to the technical field of mechanical transmission parts, in particular to a gear connecting shaft dismounting structure which comprises a transmission shaft body, a connecting sleeve is fixedly connected to the surface of the transmission shaft body, a gear is inserted into the surface of the transmission shaft body, a plurality of connecting blocks are fixedly connected to the surface of one end of the gear, and the connecting blocks are embedded into the surface of the connecting sleeve. A plurality of sliding plates are slidably connected to the surface of the connecting sleeve, limiting blocks are attached to the surfaces of the sliding plates, and the limiting blocks are embedded in the surfaces of the connecting blocks to limit the gears; the device has the beneficial effects that through mutual cooperation of the sliding plate, the limiting block and the connecting block, the limiting block is embedded in the connecting block, rapid mounting and dismounting of the gear and the transmission shaft body are achieved, operation is easy and convenient, through mutual cooperation of the positioning groove and the positioning block, the mounting positions of the gear and the transmission shaft body can be rapidly positioned, and the practicability is high. The connection stability between the gear and the transmission shaft body is enhanced, and the assembly efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical transmission parts technical field, concretely is a gear connecting shaft dismounting structure. BACKGROUND

[0002] Gear connecting shaft is the key part in mechanical transmission system, is widely used in many fields, such as in the automobile industry, is used for engine, transmission and chassis system, realizes the transmission and distribution of power, in the field of ship, is the important transmission part of propulsion system and auxiliary machinery, guarantees the power transmission and equipment operation of ship.

[0003] In prior art, bolt is usually used to pass through the bolt hole on the gear flange, and is matched with the corresponding thread hole on the transmission shaft body, passes through the nut and is tightened, and the gear is tightly fixed on the shaft body.

[0004] However, the bolt usually needs larger tightening torque, needs to be operated by means of tool, causes the installation and dismounting process to be more laborsaving and time-consuming. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a gear connecting shaft dismounting structure to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a gear connecting shaft dismounting structure, comprising

[0007] Transmission shaft body, the surface of transmission shaft body is fixedly connected with connecting sleeve, and the surface of transmission shaft body is inserted with gear;

[0008] The surface of one end of gear is fixedly connected with multiple connecting blocks;

[0009] The surface of connecting block is embedded in the surface of connecting sleeve;

[0010] The surface of connecting sleeve is slidably connected with multiple sliding plates;

[0011] The surface of sliding plate is attached with limiting block;

[0012] The surface of limiting block is embedded in the surface of connecting block, and the gear is limited.

[0013] Preferably, the surface of transmission shaft body is provided with multiple positioning grooves in array distribution, the positioning groove is semicircular groove, the surface of positioning groove is slidably connected with positioning block, and the positioning block is fixedly connected to the inner side surface of gear.

[0014] Preferably, the connecting sleeve is annular plate structure, the inner side surface of connecting sleeve is provided with multiple connecting grooves in array distribution, the outer side surface of connecting sleeve is provided with multiple sliding grooves in array distribution, the sliding groove is arc groove, the surface of sliding groove is provided with limiting groove, and the limiting groove is through with connecting groove.

[0015] Preferably, the connecting block has a square block structure, the connecting block is inserted into the surface of the connecting groove, and the surface of the connecting block has a through hole, which is a circular groove.

[0016] Preferably, the limiting block is inserted into the surface of the limiting groove. The limiting block has a cylindrical structure. One side of the surface of the limiting block is provided with an inclined surface. A rubber hole is opened on the surface of the limiting block. A rubber strip is fixedly connected to the center of the rubber hole. The two ends of the rubber strip are fixedly connected to the surface of the limiting groove. The rubber strip is in a stretched state.

[0017] Preferably, the sliding plate has an arc-shaped plate structure, and the sliding plate is slidably connected to the surface of the sliding groove. A guide hole is opened on the surface of the sliding plate, and a guide rod passes through the surface of the guide hole. The two ends of the guide rod are fixedly connected to the surface of the sliding groove.

[0018] Preferably, the guide rod has an arc-shaped columnar structure, and a rubber sleeve is fitted on the surface of the guide rod. One end of the rubber sleeve is fixedly connected to the surface of the sliding plate, and the other end of the rubber sleeve is fixedly connected to the surface of the limiting groove.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] The gear connecting shaft disassembly and assembly structure proposed in this utility model enables the rapid installation and disassembly of gears and transmission shafts through the cooperation of sliding plates, limiting blocks, and connecting blocks. The operation is simple and convenient. The positioning groove and positioning block cooperate to quickly position the installation position of gears and transmission shafts, thereby improving assembly efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the disassembly and assembly structure of the gear connecting shaft of this utility model;

[0022] Figure 2 This is a half-sectional structural diagram of the gear connecting shaft disassembly and assembly structure of this utility model.

[0023] Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0024] Figure 4 This is a schematic diagram of the gear structure of the gear connecting shaft disassembly and assembly structure of this utility model;

[0025] Figure 5 This is a schematic diagram of the connecting sleeve structure of the gear connecting shaft disassembly and assembly structure of this utility model;

[0026] Figure 6 This is an exploded view of the limiting mechanism of the gear connecting shaft disassembly and assembly structure of this utility model.

[0027] In the figure: 1, transmission shaft body; 2, positioning groove; 3, gear; 4, connecting sleeve; 5, positioning block; 6, sliding plate; 7, connecting block; 8, limiting block; 9, rubber strip; 10, sliding groove; 11, connecting groove; 12, limiting groove; 13, perforation; 14, guide rod; 15, rubber hole; 16, guide hole; 17, rubber sleeve. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme of the utility model carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiments, only use to explain the embodiment of the utility model, and does not use to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor belongs to the scope of the protection of the utility model.

[0029] Embodiment one

[0030] Please refer to Figures 1 to 2 The utility model provides a technical scheme: a gear connecting shaft dismounting structure, including transmission shaft body 1, the surface fixed connection of transmission shaft body 1 has connecting sleeve 4, the surface of transmission shaft body 1 is inserted with gear 3, and the surface of gear 3 one end is fixedly connected with a plurality of connecting blocks 7, and connecting block 7 is embedded in the surface of connecting sleeve 4, and the surface of connecting sleeve 4 is slidably connected with a plurality of sliding plates 6, and the surface of sliding plate 6 is attached with limiting block 8, and limiting block 8 is embedded in the surface of connecting block 7, and gear 3 is positioned;

[0031] Through the mutual cooperation between sliding plate 6, limiting block 8 and connecting block 7, the quick installation and disassembly of gear 3 and transmission shaft body 1 can be realized, and the operation is simple and convenient, and through the cooperation of positioning groove 2 and positioning block 5, the installation position of gear 3 and transmission shaft body 1 can be quickly positioned, and the assembly efficiency is improved.

[0032] Embodiment two

[0033] Please refer to Figures 1 to 4 On the basis of embodiment one, in order to realize the increase gear 3 and transmission shaft body 1's connection strength, the surface of transmission shaft body 1 is provided with a plurality of array distribution positioning grooves 2, and the positioning groove 2 is semicircular groove, and the surface of positioning groove 2 is slidably connected with positioning block 5, and positioning block 5 is fixedly connected to the inner surface of gear 3, and through the cooperation of positioning groove 2 and positioning block 5, gear 3 is positioned and installed conveniently, and the stability of the connection between gear 3 and transmission shaft body 1 is enhanced;

[0034] The connecting sleeve 4 is annular plate-shaped structure, the inner side surface of the connecting sleeve 4 is provided with a plurality of array distribution connecting grooves 11, the outer side surface of the connecting sleeve 4 is provided with a plurality of array distribution sliding grooves 10, the sliding groove 10 is arc-shaped groove, the sliding groove 10 is arc-shaped groove can be combined with the sliding plate 6, facilitate the sliding plate 6 to slide, the surface of the sliding groove 10 is provided with a limiting groove 12, the limiting groove 12 is through with the connecting groove 11, the connecting block 7 is square block-shaped structure, the connecting block 7 is inserted in the surface of the connecting groove 11, the surface of the connecting block 7 is provided with a perforation 13, the perforation 13 is circular slot.

[0035] Example three

[0036] Please refer to Figures 1 to 6 , on the basis of example two, in order to realize the connection of the gear 3 and the transmission shaft body 1, the limiting block 8 is inserted in the surface of the limiting groove 12, the limiting block 8 is cylindrical structure, the surface of the limiting block 8 is provided with a slope on one side, setting the slope, can make the pressure of the sliding plate 6 along the slope to apply, in turn can extrude the limiting block 8, the surface of the limiting block 8 is provided with a rubber hole 15, the center position of the rubber hole 15 is fixedly connected with the rubber strip 9, the both ends of the rubber strip 9 are fixedly connected in the surface of the limiting groove 12, the rubber strip 9 is in tension state, by setting the rubber strip 9, when the limiting block 8 moves, the elastic force of the rubber strip 9 can make the limiting block 8 quickly recover to the initial limiting position;

[0037] The sliding plate 6 is arc-shaped plate-shaped structure, the sliding plate 6 is slidingly connected in the surface of the sliding groove 10, the surface of the sliding plate 6 is provided with a guide hole 16, the surface of the guide hole 16 is penetrated by the guide rod 14, the both ends of the guide rod 14 are fixedly connected in the surface of the sliding groove 10, the guide rod 14 is arc-shaped columnar structure, the guide rod 14 can accurately limit the sliding direction of the sliding plate 6;

[0038] The surface of the guide rod 14 is provided with a rubber sleeve 17, one end of the rubber sleeve 17 is fixedly connected in the surface of the sliding plate 6, the other end of the rubber sleeve 17 is fixedly connected in the surface of the limiting groove 12, the rubber sleeve 17 can absorb the vibration and impact generated when the sliding plate 6 works, avoid the displacement of the sliding plate 6 due to vibration, in turn lose the extrusion of the limiting block 8.

[0039] In actual use, first, the positioning block 5 on the surface of the gear 3 is aligned with the positioning groove 2 on the surface of the transmission shaft body 1, the gear 3 is slid inward along the positioning groove 2, then the sliding plate 6 is pushed to one side so that it no longer presses the limiting block 8, the rubber sleeve 17 is changed from the original state to the extrusion state by the extrusion of the sliding plate 6, after the limiting block 8 loses the pressure, the rubber strip 9 returns to the original state from the stretched state, the limiting block 8 moves away from the perforation 13, then the connecting block 7 on the surface of the gear 3 is inserted into the connecting groove 11, the sliding plate 6 is slid, the sliding plate 6 applies pressure along the inclined surface of the limiting block 8 and covers the surface of the limiting block 8, the rubber sleeve 17 returns to the original state from the compressed state, after the limiting block 8 is extruded and moves, it is pressed in the perforation 13, the installation of the gear 3 and the transmission shaft body 1 is completed;

[0040] When disassembly is needed, only the sliding plate 6 is slid to one side so that it no longer presses the limiting block 8, the rubber strip 9 connected to the surface of the limiting block 8 returns to the original state from the stretched state, the limiting block 8 is no longer embedded on the surface of the perforation 13, the gear 3 and the transmission shaft body 1 lose the limiting and can be disassembled.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A gear connecting shaft disassembly and assembly structure, characterized in that: include A drive shaft body, wherein a connecting sleeve is fixedly connected to the surface of the drive shaft body, and a gear is inserted into the surface of the drive shaft body; Multiple connecting blocks are fixedly connected to one end surface of the gear; The connecting block is embedded in the surface of the connecting sleeve; The surface of the connecting sleeve is slidably connected with multiple sliding plates; The surface of the sliding plate is fitted with a limiting block; The limiting block is embedded on the surface of the connecting block to limit the gear.

2. The gear connecting shaft disassembly and assembly structure according to claim 1, characterized in that: The surface of the transmission shaft is provided with a plurality of positioning grooves arranged in an array. The positioning grooves are semi-circular. Positioning blocks are slidably connected to the surface of the positioning grooves and are fixedly connected to the inner surface of the gear.

3. The gear connecting shaft disassembly and assembly structure according to claim 1, characterized in that: The connecting sleeve has an annular plate structure. The inner surface of the connecting sleeve has multiple connecting grooves arranged in an array. The outer surface of the connecting sleeve has multiple sliding grooves arranged in an array. The sliding grooves are arc-shaped grooves. The surface of the sliding grooves has a limiting groove, which is connected to the connecting groove.

4. The gear connecting shaft disassembly and assembly structure according to claim 3, characterized in that: The connecting block has a square block structure and is inserted into the surface of the connecting groove. The surface of the connecting block has a through hole, which is a circular groove.

5. The gear connecting shaft disassembly and assembly structure according to claim 3, characterized in that: The limiting block is inserted into the surface of the limiting groove. The limiting block has a cylindrical structure. One side of the surface of the limiting block is provided with an inclined surface. A rubber hole is opened on the surface of the limiting block. A rubber strip is fixedly connected to the center of the rubber hole. The two ends of the rubber strip are respectively fixedly connected to the surface of the limiting groove. The rubber strip is in a stretched state.

6. The gear connecting shaft disassembly and assembly structure according to claim 1, characterized in that: The sliding plate has an arc-shaped plate structure and is slidably connected to the surface of the sliding groove. A guide hole is provided on the surface of the sliding plate, and a guide rod passes through the surface of the guide hole. The two ends of the guide rod are fixedly connected to the surface of the sliding groove.

7. The gear connecting shaft disassembly and assembly structure according to claim 6, characterized in that: The guide rod has an arc-shaped columnar structure, and a rubber sleeve is fitted on the surface of the guide rod. One end of the rubber sleeve is fixedly connected to the surface of the sliding plate, and the other end of the rubber sleeve is fixedly connected to the surface of the limiting groove.

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