CN210739319U

CN210739319U - Automobile gear convenient for post processing

Info

Publication number: CN210739319U
Application number: CN201921583666.9U
Authority: CN
Inventors: 刘一兵; 韩璋; 姚宗学; 吕松林; 钱锦
Original assignee: Hubei Yexin Automobile Parts Co ltd
Current assignee: Hubei Yexin Automobile Parts Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-06-12
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a gear for car convenient to later stage processing, including outer ring gear and plectane, the fixed surface of establishing at the plectane of outer ring gear fixed cover, the shaft hole has been seted up at the middle part of plectane, sliding embedding has the pivot in the shaft hole, the surface of pivot has seted up the pinhole, the one end of shaft hole is fixed and is provided with first axle sleeve, first axle sleeve is the drum type structure, and the surface of first axle sleeve has seted up slide opening and external screw thread, sliding embedding has the key round pin in the slide opening, fixed being provided with first reset spring between key round pin and the slide opening, and the embedding end of key round pin cooperatees with the pinhole, the surface of first axle sleeve closes through the screw thread soon and is provided with the internal thread ring, the internal thread ring sticiss with the key; through setting up internal thread ring and key round pin, rotate the internal thread ring and can realize the fixed of pivot and gear and dismantle, it is fixed to compare traditional key round pin and keyway closure, and this fixed in structure is convenient with the dismantlement, and the later stage of being convenient for is dismantled and is maintained the processing.

Description

Automobile gear convenient for post processing

Technical Field

The utility model belongs to the technical field of the automobile gear, concretely relates to gear for car convenient to later stage processing.

Background

In the production process of an automobile, various gears are required to be used, the gears are obtained by processing processed gear blanks, the same gear blank can be made into different gears such as a straight gear, a helical gear and the like, and different gears can achieve the effects of speed change, torque transmission, direction change and the like through assembly.

The existing automobile gear has the problems that the gear and a rotating shaft are fixedly installed by arranging a key groove and embedding a key pin, the installation method is troublesome to disassemble, and the gear is inconvenient to disassemble and maintain and process in the later period, so that the automobile gear convenient to process in the later period is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gear for car convenient to later stage processing to solve the current gear for car that proposes in the above-mentioned background art, the installation that has gear and pivot realizes fixedly through seting up the keyway and embedding key round pin, and this mounting method dismantles comparatively trouble, is not convenient for the later stage and dismantles the gear and maintain the problem of processing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gear for car convenient to later stage processing, includes outer ring gear and plectane, the fixed surface of establishing at the plectane of outer ring gear fixed cover, the shaft hole has been seted up at the middle part of plectane, sliding embedding has the pivot in the shaft hole, the pinhole has been seted up to the surface of pivot, the fixed first axle sleeve that is provided with of one end in shaft hole, first axle sleeve is the drum type structure, and the surface of first axle sleeve has seted up slide opening and external screw thread, sliding embedding has the key round pin in the slide opening, it is provided with first reset spring to fix between key round pin and the slide opening, and the embedding end and the pinhole of key round pin cooperate, the surface of first axle sleeve closes soon through the screw thread and is provided with the internal thread ring, the internal.

Preferably, the blind hole has been seted up to the tip of first axle sleeve, the slip embedding has a spacing post in the blind hole, fixedly connected with second reset spring between the embedding end of spacing post and the interior diapire of blind hole.

Preferably, the end part of the extending end of the key pin is provided with an arc surface with an inclined angle, and one end of the arc surface and the outer surface of the first shaft sleeve are on the same arc surface.

Preferably, lightening holes are formed in the outer surface of the circular plate, and the lightening holes are uniformly distributed around the shaft hole.

Preferably, the outer side surface of the outer toothed ring is provided with anti-slip grains, and the inner edge of the outer toothed ring is provided with an arc surface.

Preferably, the other end of the shaft hole is fixedly provided with a second shaft sleeve, the second shaft sleeve is in a hexagonal prism structure, and the outer surface of the second shaft sleeve is provided with a key groove.

Preferably, the first shaft sleeve, the outer gear ring and the second shaft sleeve are all fixed with the circular plate into a whole, and the hole diameters of the first shaft sleeve and the second shaft sleeve are equal to the shaft hole of the circular plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through setting up internal thread ring and key round pin, rotate the internal thread ring and can realize the fixed of pivot and gear and dismantle, it is fixed to compare traditional key round pin and keyway closure, and this fixed in structure is convenient with the dismantlement, and the later stage of being convenient for is dismantled and is maintained the processing.

(2) Through the spacing post of design, carry out spacing fixed to the internal thread ring, improve the reliability of gear operation, set up the arc surface that has the angle of inclination, the internal thread ring extrusion fixed key round pin of being convenient for sets up the second shaft sleeve, is convenient for assemble not unidimensional gear and this gear fixedly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the gear of the present invention;

fig. 3 is a bottom view of the gear of the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;

FIG. 5 is a perspective view of the key pin of the present invention;

in the figure: 1. a rotating shaft; 2. a first bushing; 3. an internally threaded ring; 4. an outer ring gear; 5. a circular plate; 6. a keyway; 7. a second shaft sleeve; 8. a key pin; 9. a first return spring; 10. a pin hole; 11. lightening holes; 12. anti-skid lines; 13. blind holes; 14. a second return spring; 15. a limiting column; 16. and (4) a slide hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a gear for an automobile convenient for post processing comprises an outer gear ring 4 and a circular plate 5, wherein the outer surface of the circular plate 5 is provided with lightening holes 11, six lightening holes 11 are uniformly distributed around a shaft hole, the outer gear ring 4 is fixedly sleeved on the outer surface of the circular plate 5, the middle part of the circular plate 5 is provided with a shaft hole, a rotating shaft 1 is embedded in the shaft hole in a sliding manner, the outer surface of the rotating shaft 1 is provided with a pin hole 10, one end of the shaft hole is fixedly provided with a first shaft sleeve 2, the first shaft sleeve 2 is of a cylindrical structure, the outer surface of the first shaft sleeve 2 is provided with a sliding hole 16 and an external thread, a key pin 8 is embedded in the sliding hole 16 in a sliding manner, a first reset spring 9 is fixedly arranged between the key pin 8 and the sliding hole 16, the embedding end of the key pin 8 is matched with the pin hole 10, the outer surface of the first shaft sleeve 2 is provided with an internal, and make pinhole 10 and key 8 correspond, then close the internal thread ring 3 soon, extrude the slip through internal thread ring 3 with key 8 to sliding hole 16 in, when the end of the embedded end of sliding hole 16 stretched into pinhole 10, can realize the spacing of pivot 1 and gear and fix.

In this embodiment, the blind hole 13 has been seted up to the tip of first axle sleeve 2, and the sliding embedding has a spacing post 15 in blind hole 13, and fixedly connected with second reset spring 14 between the embedding end of spacing post 15 and the interior diapire of blind hole 13 carries out spacing fixed to internal thread ring 3 through setting up spacing post 15.

In this embodiment, the end of the extending end of the key pin 8 is configured as an arc surface with an inclined angle, and one end of the arc surface is on the same arc surface as the outer surface of the first sleeve 2, so that the inner thread ring 3 can slowly and uniformly press the key pin 8 into the sliding hole 16.

In this embodiment, the outer side surface of the outer ring gear 4 is provided with the anti-slip pattern 12, and the inner edge of the outer ring gear 4 is set to be a circular arc surface, so that the gear can be held conveniently by setting the anti-slip pattern 12.

In this embodiment, the other end of the shaft hole is fixedly provided with a second shaft sleeve 7, the second shaft sleeve 7 is in a hexagonal prism structure, the outer surface of the second shaft sleeve 7 is provided with a key groove 6, gears with different sizes are conveniently assembled and fixed with the gears by arranging the second shaft sleeve 7, the first shaft sleeve 2, the outer gear ring 4 and the second shaft sleeve 7 are all fixedly integrated with the circular plate 5, and the hole diameters of the first shaft sleeve 2 and the second shaft sleeve 7 are equal to the shaft hole of the circular plate 5.

The utility model discloses a theory of operation and use flow: the rotating shaft 1 is embedded into the shaft hole by arranging the internal thread ring 3 and the key pin 8, the pin hole 10 corresponds to the key pin 8, then the internal thread ring 3 is screwed, the key pin 8 is extruded and slides into the sliding hole 16 through the internal thread ring 3, when the end part of the embedding end of the sliding hole 16 extends into the pin hole 10, the limiting and fixing of the rotating shaft 1 and the gear can be realized, when the gear needs to be disassembled from the rotating shaft 1, the first shaft sleeve 2 is rotated, the key pin 8 slides outwards along the sliding hole 16 under the action of the first reset spring 9, the locking of the rotating shaft 1 and the gear is released, and the gear is convenient to install and disassemble and is convenient to disassemble and maintain and process at the later stage;

through setting up spacing post 15, carry out spacing fixed to internal thread ring 3, prevent that the gear from leading to the internal thread ring 3 not hard up gyration at the pivoted in-process, improve the reliability of gear, have the arc surface at angle of inclination through the setting, be convenient for internal thread ring 3 with the slow even pressure of key round pin 8 move to slide opening 16 in, through setting up second shaft sleeve 7, be convenient for assemble not unidimensional gear and this gear fixedly, set up anti-skidding line 12 and arc surface, be convenient for grip the gear.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gear for car convenient to later stage processing, includes outer ring gear (4) and plectane (5), outer ring gear (4) fixed cover is established at the surface of plectane (5), its characterized in that: the middle part of plectane (5) has been seted up the shaft hole, it has pivot (1) to slide the embedding in the shaft hole, pinhole (10) have been seted up to the surface of pivot (1), the one end in shaft hole is fixed and is provided with first axle sleeve (2), first axle sleeve (2) are the cylindrical structure, and the surface of first axle sleeve (2) has seted up slide opening (16) and external screw thread, it has cotter (8) to slide the embedding in slide opening (16), it is provided with first reset spring (9) to fix between cotter (8) and slide opening (16), and the embedding end of cotter (8) cooperatees with pinhole (10), the surface of first axle sleeve (2) closes soon through the screw thread and is provided with interior screw ring (3), interior screw ring (3) sticiss mutually with cotter (8).

2. The automobile gear convenient for post processing as claimed in claim 1, wherein: the end part of the first shaft sleeve (2) is provided with a blind hole (13), a limiting column (15) is embedded in the blind hole (13) in a sliding mode, and a second reset spring (14) is fixedly connected between an embedding end of the limiting column (15) and the inner bottom wall of the blind hole (13).

3. The automobile gear convenient for post processing as claimed in claim 1, wherein: the end part of the extending end of the key pin (8) is provided with an arc surface with an inclined angle, and one end of the arc surface and the outer surface of the first shaft sleeve (2) are on the same arc surface.

4. The automobile gear convenient for post processing as claimed in claim 1, wherein: lightening holes (11) are formed in the outer surface of the circular plate (5), and the lightening holes (11) are uniformly distributed around the shaft hole.

5. The automobile gear convenient for post processing as claimed in claim 1, wherein: the outer side surface of the outer gear ring (4) is provided with anti-slip grains (12), and the inner edge of the outer gear ring (4) is an arc surface.

6. The automobile gear convenient for post processing as claimed in claim 1, wherein: the other end of the shaft hole is fixedly provided with a second shaft sleeve (7), the second shaft sleeve (7) is of a hexagonal prism structure, and the outer surface of the second shaft sleeve (7) is provided with a key groove (6).

7. The automobile gear convenient for post processing as claimed in claim 6, wherein: the first shaft sleeve (2), the outer gear ring (4) and the second shaft sleeve (7) are all fixed with the circular plate (5) into a whole, and the hole diameters of the first shaft sleeve (2) and the second shaft sleeve (7) are equal to the shaft hole of the circular plate (5).