CN216951548U

CN216951548U - Combined gear

Info

Publication number: CN216951548U
Application number: CN202220652652.3U
Authority: CN
Inventors: 姜斌
Original assignee: Qingdao Hengfeng Machinery Co ltd
Current assignee: Qingdao Hengfeng Machinery Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-12
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a combined gear, which relates to the related technical field of gears and comprises a support shaft, wherein a sleeve is fixedly arranged on the outer side wall of the center of the support shaft, gears are fixed at two ends of the support shaft, the gears are formed between a first gear and a second gear, clamping plates are rotatably arranged on the end surfaces of two ends of the support shaft, clamping grooves matched with the clamping plates are formed in the opposite sides of the first gear and the second gear, threaded holes are formed in the inner walls of the grooves, bolts are connected to the outer side wall of each clamping plate through threads, the first gear and the second gear are respectively sleeved at two ends of the support shaft, then the clamping plates are clamped with the clamping grooves, so that the first gear and the second gear are respectively and firmly fixed with the support shaft, the traditional gear integrated structural design of bidirectional insections is changed, and the whole gear does not need to be replaced when one insection of the bidirectional insection is damaged, the cost of gear replacement is reduced.

Description

Combined gear

Technical Field

The utility model relates to the technical field of gears, in particular to a combined gear.

Background

The gear is a mechanical element with a gear on a wheel rim which is continuously engaged to transmit motion and power, the gear is a toothed mechanical part which can be engaged with each other, the gear is widely applied in the mechanical transmission and the whole mechanical field, wherein the gear is often used for gear transmission, the gear transmission is a device for transmitting motion and power by a gear pair, the gear is a mechanical transmission mode which is most widely applied in modern various devices, the transmission is relatively accurate, the efficiency is high, the structure is compact, the work is reliable, the service life is long, however, the combined gear in the prior art has the following problems:

the existing gear is designed into an integrated structure, and is also designed into an integrated structure for the gear with bidirectional insections, and when one insection of the bidirectional insections is damaged, the whole gear needs to be replaced, so that the cost for replacing the gear is greatly improved, and the technical problem is solved by a novel combined gear.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a combination gear that solves the problems set forth above in the background art.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a combined gear, includes the back shaft, the center lateral wall fixed mounting of back shaft has the sleeve, the center department of back shaft has seted up the through-hole, the both ends of back shaft are fixed with the gear, the gear comprises between first gear and the second gear, back shaft both ends terminal surface all rotates installs the joint board, the draw-in groove that matches with the joint board is all seted up to one side that first gear is opposite with the second gear.

Preferably, a set of recess has all been seted up to the both ends lateral wall of back shaft, fixed mounting has the bracing piece between the one end lateral wall of recess, the one end of joint board rotates the lateral wall of installing at the bracing piece, through cup jointing first gear and second gear respectively at the both ends of back shaft, then utilizes the joint between joint board and the draw-in groove to make between first gear and the second gear respectively with fixed firm between the back shaft, thereby change the structural design of the gear integration of traditional two-way insection, and then one of them insection that makes two-way insection need not change whole gear when taking place to damage, reduced the cost of gear change.

Preferably, the inner wall of the groove is provided with a threaded hole, the outer side wall of the clamping plate is connected with a bolt through threads, and the bolt is matched with the threaded hole.

Preferably, the inside fixed mounting of draw-in groove has the partitioning block, and a plurality of the partitioning block annular equidistance is installed at the inner wall of draw-in groove, and adjacent two the distance between the partitioning block equals the width of joint board.

Preferably, the cross section caliber of the support shaft is matched with the diameter of the inner ring of the side wall of the gear.

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

through cup jointing first gear and second gear respectively at the both ends of back shaft, then utilize the joint between joint board and the draw-in groove to make between first gear and the second gear respectively with fixed firm between the back shaft, thereby change the structural design of the gear integration of traditional two-way insection, and then one of them insection that makes two-way insection need not change whole gear when taking place to damage, reduced the cost of gear change.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic diagram of a card-receiving structure according to the present invention.

FIG. 3 is an enlarged view of the structure of FIG. 2 according to the present invention.

In the figure: 1. a support shaft; 2. a gear; 21. a first gear; 22. a second gear; 3. a through hole; 4. a sleeve; 5. a clamping and connecting plate; 6. a groove; 7. a card slot; 8. a separation block; 10. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-3, the present invention provides a combined gear, which includes a supporting shaft 1, a sleeve 4 is fixedly installed on the outer side wall of the center of the supporting shaft 1, the supporting shaft 1 plays a role of transmission, gears 2 are fixed on two ends of the supporting shaft 1, and the gears 2 are composed of a first gear 21 and a second gear 22, which can facilitate the connection between the first gear 21 and the second gear 22, so that the function of the original gear structure with the bidirectional insection designed in an integrated structure is maintained after the first gear 21 and the second gear 22 are spliced.

In this embodiment, through-hole 3 has been seted up in the center department of back shaft 1, through-hole 3 is the axis of rotation structure that can conveniently install gear 2 in the mounted position that will among the prior art, 1 both ends terminal surface of back shaft all rotates and installs joint board 5, first gear 21 all seted up with joint board 5 assorted draw-in groove 7 with second gear 22 opposite one side, can make between gear 2 and the back shaft 1 fixed firm when the joint between joint board 5 and the draw-in groove 7, do not influence the use of gear 2.

Further, a set of recess 6 has all been seted up to the both ends lateral wall of back shaft 1, and fixed mounting has the bracing piece between the one end lateral wall of recess 6, and the one end of joint board 5 rotates the lateral wall of installing at the bracing piece, and recess 6 provides the activity space for joint board 5 to make joint board 5 convenient inside activity at recess 6.

Further, threaded hole is seted up to the inner wall of recess 6, and there is bolt 10 outside wall of joint board 5 through threaded connection, and the screw hole phase-match between bolt 10 and the screw hole, and the screw hole makes things convenient for the activity of bolt 10, can make after rotatory between bolt 10 and the screw hole between joint board 5 and the draw-in groove 7 fixed firm to make things convenient for the use of first gear 21 and second gear 22.

Furthermore, the separating blocks 8 are fixedly mounted inside the clamping groove 7, the plurality of separating blocks 8 are annularly and equidistantly mounted on the inner wall of the clamping groove 7, the distance between every two adjacent separating blocks 8 is equal to the width of the clamping plate 5, and the distance between every two adjacent separating blocks 8 can be just matched with the width between the clamping plate 5, so that the matching between the clamping plate 5 and the separating blocks 8 is fixed and fixed between the counter gear 2 and the supporting shaft 1, and the use of the first gear 21 and the second gear 22 is facilitated.

Further, the cross section caliber of the support shaft 1 is matched with the diameter of the inner ring of the side wall of the gear 2, so that the support shaft 1 and the first gear 21 and the second gear 22 in the gear 2 are kept on a certain horizontal line, and the first gear 21 and the second gear 22 can act together conveniently.

The working principle is as follows: the first gear 21 and the second gear 22 are respectively sleeved at two ends of the supporting shaft 1, and then the clamping connection between the clamping plate 5 and the clamping groove 7 is utilized, so that the first gear 21 and the second gear 22 are respectively and firmly fixed with the supporting shaft 1, the integrated structural design of the traditional gear 2 with two-way insections is changed, further, when one insection of the two-way insections is damaged, the whole gear does not need to be replaced, the cost for replacing the gear is reduced, wherein the clamping plate 5 and the clamping groove 7 can be firmly fixed after the bolt 10 and the threaded hole rotate, so that the first gear 21 and the second gear 22 can be conveniently used, in addition, the mode that the cross section caliber of the supporting shaft 1 is matched with the diameter of the inner ring of the side wall of the gear 2 is utilized, so that the first gear 21 and the second gear 22 in the supporting shaft 1 and the gear 2 are kept on a certain horizontal line, thereby facilitating the first gear 21 to co-act with the second gear 22.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a combined gear, includes back shaft (1), the central lateral wall fixed mounting of back shaft (1) has sleeve (4), through-hole (3), its characterized in that have been seted up to the center department of back shaft (1): the both ends of back shaft (1) are fixed with gear (2), constitute between gear (2) by first gear (21) and second gear (22), back shaft (1) both ends terminal surface all rotates and installs joint board (5), first gear (21) and second gear (22) opposite one side all seted up with joint board (5) assorted draw-in groove (7).

2. The combined gear according to claim 1, wherein a set of grooves (6) are formed on the outer side walls of both ends of the supporting shaft (1), a supporting rod is fixedly installed between the side walls of one end of each groove (6), and one end of the clamping plate (5) is rotatably installed on the outer side wall of each supporting rod.

3. The combination gear according to claim 2, wherein the inner wall of the groove (6) is provided with a threaded hole, the outer side wall of the snap plate (5) is connected with a bolt (10) through threads, and the bolt (10) is matched with the threaded hole.

4. The combined gear according to claim 3, wherein the inside of the clamping groove (7) is fixedly provided with the separating blocks (8), a plurality of the separating blocks (8) are annularly and equidistantly arranged on the inner wall of the clamping groove (7), and the distance between two adjacent separating blocks (8) is equal to the width of the clamping plate (5).

5. A combined gear according to claim 4, characterised in that the cross-sectional bore of the support shaft (1) matches the diameter of the inner ring of the side wall of the gear (2).