CN219345416U - Install gear structure of axle sleeve - Google Patents

Abstract

The utility model discloses a gear structure provided with a shaft sleeve, which belongs to the technical field of gears and comprises a gear and a shaft sleeve, wherein the front side wall of the gear is provided with a shaft hole matched with the shaft sleeve, the left side wall and the right side wall of the shaft sleeve are respectively provided with a positioning block, the front side wall of the gear is provided with two groups of positioning grooves matched with the positioning blocks, the two groups of positioning grooves are communicated with the shaft hole, the two groups of positioning grooves are far away from the side wall and are respectively provided with a jack, the two groups of positioning blocks are internally provided with a cavity, and a fixing mechanism is arranged in the cavity.

Description

A gear structure with a shaft sleeve installed

technical field

The utility model relates to the technical field of gears, in particular to a gear structure equipped with a shaft sleeve.

Background technique

A gear is a mechanical element with teeth on the wheel rim that can continuously mesh to transmit motion and power. The application of gears in transmission has appeared very early. Most of the existing gears need to be used with bushings when they are used, but the existing The installation of the shaft sleeve is time-consuming and laborious, which affects the installation efficiency of the shaft sleeve. Therefore, a gear structure with a shaft sleeve is required.

Utility model content

The purpose of this utility model is to provide a gear structure with a shaft sleeve installed to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a gear structure with a shaft sleeve installed, including a gear and a shaft sleeve, the front side wall of the gear is provided with a shaft hole matching the shaft sleeve, and the shaft sleeve The left and right side walls are equipped with positioning blocks, and the front side wall of the gear is provided with two sets of positioning slots that match the positioning blocks. , the two groups of positioning blocks are provided with cavities inside, and a fixing mechanism is provided in the cavities.

Further, the fixing mechanism includes a sliding block that is slidingly connected to the rear side wall in the cavity, the right side wall of the sliding block is provided with an insertion rod, and one end of the insertion rod passes through the right side wall in the cavity and is connected with the socket. Matching, the outer wall of the insertion rod is sleeved with a spring, one end of the spring is connected to the right side wall of the sliding block, the other end of the spring is connected to the right side wall in the cavity, and the left side wall in the cavity slides The connection is provided with an extruding block, the front side wall of the cavity is raised and the bearing is connected with a threaded rod, and the outer wall of the threaded rod is sleeved with a threaded sleeve, and one end of the threaded sleeve is connected to the front side wall of the extrusion block Connected, the outer wall of the threaded rod is socketed and installed with a driven gear, the cavity is provided with a driving gear meshing with the driven gear, the front side wall of the driving gear is provided with a rotating shaft, and one end of the rotating shaft runs through the cavity The front side wall in the cavity is connected with the rotating plate provided outside.

Further, the right side wall of the cavity is provided with a sliding groove, and the right side wall of the threaded sleeve is provided with a sliding plate matching the sliding groove.

Further, a guide groove is provided on the left side wall of the cavity, and a guide block matching the guide groove is provided on the left side wall of the extrusion block.

Further, a limiting groove is provided on the rear side wall of the cavity, and a limiting block matching the limiting groove is provided on the rear side wall of the sliding block.

Further, both the pressing block and the sliding block are arranged in the shape of a right-angled trapezoid, and the slope of the pressing block is in contact with the slope of the sliding block.

Compared with the prior art, the beneficial effect of the utility model is that the utility model can quickly install the shaft sleeve in the shaft hole of the gear under the cooperation of the fixing mechanism, the positioning groove, the positioning block and the socket, and realize the shaft sleeve It can be quickly installed and disassembled with the gear, thereby improving the installation efficiency of the shaft sleeve.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a top view of the internal structure of the cavity of the utility model.

In the figure: 1, gear; 2, shaft hole; 3, shaft sleeve; 4, socket; 5, positioning groove; 6, positioning block; 7, fixing mechanism; 70, inserting rod; 71, spring; 72, sliding block ; 73, extrusion block; 74, threaded sleeve; 75, threaded rod; 76, driven gear; 77, rotating plate; 78, rotating shaft; 79, driving gear; 700, sliding plate; 701, sliding groove; 8, cavity.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1:

Please refer to Fig. 1, the utility model provides a technical solution: a gear structure with a bushing, including a gear 1 and a bushing 3, the front side wall of the gear 1 is provided with a shaft hole 2 matching the bushing 3, The left and right side walls of the shaft sleeve 3 are provided with positioning blocks 6, and the front side wall of the gear 1 is provided with two sets of positioning grooves 5 that match the positioning blocks 6. Jack holes 4 are provided away from the side walls, and cavities 8 are provided inside the two sets of positioning blocks 6 , and fixing mechanisms 7 are provided in the cavities 8 .

Please refer to Fig. 2, the fixing mechanism 7 includes a sliding block 72 provided with a sliding connection on the rear side wall in the cavity 8. The matched limit block makes the sliding block 72 move more stably under the action of the limit groove and the limit block. The right side wall of the sliding block 72 is provided with an insertion rod 70, and one end of the insertion rod 70 runs through the right side wall in the cavity 8 and The jack 4 is matched, and the outer wall of the insertion rod 70 is sleeved with a spring 71, one end of the spring 71 is connected with the right side wall of the sliding block 72, the other end of the spring 71 is connected with the right side wall in the cavity 8, and the left side wall in the cavity 8 The side wall is slidingly connected with an extrusion block 73, and the left side wall of the cavity 8 is provided with a guide groove, and the left side wall of the extrusion block 73 is provided with a guide block matching the guide groove, and under the action of the guide groove and the guide block The extruding block 73 is moved more stably in the cavity 8, the front side wall of the cavity 8 is raised and the bearing is connected with a threaded rod 75, and the outer wall of the threaded rod 75 is socketed with a threaded sleeve 74, and one end of the threaded sleeve 74 is connected to the extrusion The front side walls of the briquetting block 73 are connected, and the right side wall in the cavity 8 is provided with a sliding groove 701, and the right side wall of the threaded sleeve 74 is provided with a sliding plate 700 matched with the sliding groove 701, between the sliding plate 700 and the sliding groove 701 The threaded sleeve 74 is moved on the outer wall of the threaded rod 75 under the cooperation of the threaded rod. The outer wall of the threaded rod 75 is socketed and installed with a driven gear 76. The cavity 8 is provided with a driving gear 79 meshing with the driven gear 76. The driving gear 79 front side walls are provided with a rotating shaft 78, and one end of the rotating shaft 78 runs through the inner front side wall of the cavity 8 and is connected with the rotating plate 77 provided with the outside. The inclined surface of the sliding block 72 is in contact with the inclined surface of the sliding block 72. The staff rotates the rotating plate 77 to drive the rotating shaft 78 to rotate, the rotating shaft 78 drives the driving gear 79 to rotate, the driving gear 79 drives the driven gear 76 to rotate, and the driven gear 76 drives the threaded rod 75 rotates, and the threaded sleeve 74 moves on the outer wall of the threaded rod 75 under the cooperation of the sliding plate 700 and the sliding groove 701, and the threaded sleeve 74 drives the extruding block 73 to move, and the slope of the extruding block 73 faces the sliding block 72 Squeeze the inclined surface, the sliding block 72 squeezes the spring 71, and the sliding block 72 drives the insertion rod 70 to be inserted into the socket 2, thereby completing the installation of the shaft sleeve 3.

Working principle: When the shaft sleeve 3 needs to be installed in the shaft hole 2, the staff inserts the positioning block 6 into the positioning groove 5, and then the staff rotates the rotating plate 77 to drive the rotating shaft 78 to rotate, and the rotating shaft 78 drives the driving gear 79 to rotate. Rotate, the driving gear 79 drives the driven gear 76 to rotate, the driven gear 76 drives the threaded rod 75 to rotate, and under the cooperation of the sliding plate 700 and the sliding groove 701, the threaded sleeve 74 is moved on the outer wall of the threaded rod 75, and the threaded sleeve The cylinder 74 drives the extrusion block 73 to move, the slope of the extrusion block 73 squeezes the slope of the sliding block 72, the sliding block 72 squeezes the spring 71, and the sliding block 72 drives the insertion rod 70 to be inserted into the socket 2, Thus, the installation of the shaft sleeve 3 is completed.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A gear structure equipped with a shaft sleeve, comprising a gear (1) and a shaft sleeve (3), the front side wall of the gear (1) is provided with a shaft hole (2) matched with the shaft sleeve (3), It is characterized in that: the left and right side walls of the shaft sleeve (3) are provided with positioning blocks (6), and the front side wall of the gear (1) has two sets of positioning grooves (5) matching the positioning blocks (6), Two sets of positioning grooves (5) communicate with the shaft holes (2), two sets of positioning grooves (5) are provided with sockets (4) away from the side walls, and two sets of positioning blocks (6) are provided with cavities ( 8), the cavity (8) is provided with a fixing mechanism (7). 2. A gear structure with a shaft sleeve installed according to claim 1, characterized in that: the fixing mechanism (7) includes a sliding block (72) provided for sliding connection on the rear side wall of the cavity (8) , the right side wall of the sliding block (72) is provided with an insertion rod (70), and one end of the insertion rod (70) runs through the right side wall of the cavity (8) to match the jack (4), and the insertion rod (70) The outer wall is socketed with a spring (71), one end of the spring (71) is connected to the right side wall of the sliding block (72), and the other end of the spring (71) is connected to the right side wall in the cavity (8). The left side wall of the cavity (8) is slidingly connected with an extruding block (73), and the front side wall of the cavity (8) is connected with a threaded rod (75) to improve the bearing connection. The outer wall of the rod (75) is socketed with a threaded sleeve (74), and one end of the threaded sleeve (74) is connected to the front side wall of the extrusion block (73), and the outer wall of the threaded rod (75) is socketed and installed. There is a driven gear (76), a driving gear (79) meshing with the driven gear (76) is arranged in the cavity (8), and a rotating shaft (78) is arranged on the front side wall of the driving gear (79) , one end of the rotating shaft (78) passes through the inner front side wall of the cavity (8) and is connected with the rotating plate (77) provided on the outside. 3. A gear structure with a shaft sleeve installed according to claim 2, characterized in that: a sliding groove (701) is opened on the right side wall of the cavity (8), and the threaded sleeve (74) The right side wall is provided with a sliding plate (700) matched with the sliding groove (701). 4. A gear structure with a shaft sleeve installed according to claim 2, characterized in that: the left side wall of the cavity (8) is provided with a guide groove, and the left side wall of the extrusion block (73) A guide block matching the guide groove is provided. 5. A gear structure with a shaft sleeve installed according to claim 2, characterized in that: the rear side wall of the cavity (8) is provided with a limiting groove, and the rear side wall of the sliding block (72) is provided with a There are limit blocks matching the limit slots. 6. A gear structure with a shaft sleeve installed according to claim 2, characterized in that: the extruding block (73) and the sliding block (72) are arranged in a right-angled trapezoidal shape, and the extruding block ( 73) the slope contacts with the slope of slide block (72).

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