CN217713556U

CN217713556U - Powder metallurgy gear

Info

Publication number: CN217713556U
Application number: CN202221668790.7U
Authority: CN
Inventors: 王玲军
Original assignee: Zhejiang Taiyang Powder Metallurgy Co ltd
Current assignee: Zhejiang Taiyang Powder Metallurgy Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-01
Anticipated expiration: 2032-06-29

Abstract

The utility model provides a powder metallurgy gear belongs to gear technical field. The gear solves the problems that the conventional gear is worn after being used for a long time, part of individual teeth in the gear are damaged and deformed to influence the normal use of the whole transmission gear, the whole gear on a shaft needs to be replaced, and the replacement cost is high. This powder metallurgy gear, including the gear body, the gear body on seted up the mounting hole, can dismantle on the gear body and be provided with the connecting piece, be provided with the rack that a plurality of is used for work on the periphery wall of connecting piece, the rack is the integrated into one piece setting with the connecting piece, the rack be the slope setting, be provided with four location portions that are used for fixed connection spare on the gear body, four location portions are the integrated into one piece setting with the gear body, all be provided with latch device on four location portions, the upper end of connecting piece is provided with to lean on the piece. The utility model has the advantage of long service life.

Description

Powder metallurgy gear

Technical Field

The utility model belongs to the technical field of the gear, a gear, in particular to powder metallurgy gear is related to.

Background

Gears are wheel-like mechanical parts that transmit torque by virtue of meshing of teeth. The gear can realize the functions of changing the rotating speed and the torque, changing the moving direction, changing the moving form and the like through being matched with other toothed mechanical parts (such as another gear, a rack and a worm). Because of the advantages of high transmission efficiency, accurate transmission ratio, large power range and the like, the gear mechanism is widely applied to industrial products, and the design and manufacturing level of the gear mechanism can directly influence the quality of the industrial products. After the gear is used for a long time, the gear is abraded, part of individual teeth in the gear are deformed after being damaged, the normal use of the whole transmission gear is influenced, the whole gear on the shaft needs to be replaced, and the replacement cost is high.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a reasonable in design and simple structure and convenient powder metallurgy gear of dismantling.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a powder metallurgy gear, includes the gear body, its characterized in that, the gear body on set up the mounting hole that supplies the axle to install, the last connecting piece that can dismantle of gear body is provided with, be provided with the rack that a plurality of is used for work on the periphery wall of connecting piece, rack and connecting piece be integrated into one piece and set up, the rack be the slope setting, the gear body on be provided with four location portions that are used for fixed connection spare, four location portion and gear body are integrated into one piece and set up, four all be provided with the latch device that is used for supplying the connecting piece to carry out the joint location in location portion, the upper end of connecting piece is provided with and is used for leaning on the piece that supports that leans on, set up the trompil one that agrees with corresponding location portion on the connecting piece, support and set up the trompil two that agrees with corresponding location portion on the piece.

In foretell powder metallurgy gear, latch device include two joint spare and reset spring, location portion on set up the draw-in groove that supplies two joint spares to install, reset spring set up in the draw-in groove, and make joint spare remove in the draw-in groove through reset spring's effect, reset spring's one end fixed connection in the draw-in groove inner wall, just reset spring's the other end links to each other with joint spare.

In the powder metallurgy gear, a lubricating oil channel for lubricating is formed at the bottom end of the connecting piece and at a position corresponding to each rack.

In the above-mentioned powder metallurgy gear, the lower extreme of joint spare with lean on the upper end of piece to laminate mutually.

In the above powder metallurgy gear, the positioning part is higher than the abutting part, and the clamping part is higher than the abutting part.

Compared with the prior art, this powder metallurgy gear passes through the connecting piece and is split type structure setting with the gear body, is taking place to damage the back through long-term wearing and tearing to the rack, and the accessible is changed the connecting piece and is carried out the change to the rack, has reduced use cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is a schematic structural view of the connecting member of the present invention.

Fig. 4 is a schematic structural diagram of the middle latch device of the present invention.

In the figure, 1, a gear body; 2. mounting holes; 3. a connecting member; 4. a rack; 5. a positioning part; 6. a clamping device; 7. an abutting member; 8. opening a first hole; 9. opening a second hole; 10. a clamping piece; 11. a return spring; 12. a card slot; 13. and a lubricating oil channel.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3, and fig. 4, the powder metallurgy gear includes a gear body 1, the gear body 1 is provided with a mounting hole 2 for an axle to be mounted, the gear body 1 is provided with a connecting member 3 in a detachable manner, a plurality of racks 4 for work are provided on the peripheral wall of the connecting member 3, the racks 4 and the connecting member 3 are arranged in an integrally formed manner, the racks 4 are obliquely arranged, the gear body 1 is provided with four positioning portions 5 for fixing the connecting member 3, the four positioning portions 5 and the gear body 1 are arranged in an integrally formed manner, four clamping devices 6 for clamping and positioning the connecting member 3 are provided on the positioning portions 5, the upper end of the connecting member 3 is provided with a supporting member 7 for supporting, the connecting member 3 is provided with a first opening 8 engaged with the corresponding positioning portion 5, and the supporting member 7 is provided with a second opening 9 engaged with the corresponding positioning portion 5.

Further saying, latch device 6 includes two joint spare 10 and reset spring 11, location portion 5 on offer and supply two joint spare 10 to carry out the draw-in groove 12 of installing, reset spring 11 set up in draw-in groove 12, and make joint spare 10 remove in draw-in groove 12 through reset spring 11's effect, reset spring 11's one end fixed connection is in draw-in groove 12 inner wall, just reset spring 11's the other end links to each other with joint spare 10.

Further saying, when needs are installed connecting piece 3, through the joint piece of pressing latch device 6, the joint piece of extrusion both sides makes the joint piece stretch into draw-in groove 12 in, reset spring 11 compresses, go into connecting piece 3 according to location portion 5 card, carry out the screens about connecting piece 3, move down and paste tightly on gear body 1 when connecting piece 3, continue to lean on trompil two 9 on 7 to correspond with location portion 5, and move down and lean on 7 make the bottom that leans on 7 and the upper end of connecting piece 3 paste, at this moment, reset spring 11 kick-backs, the joint piece pops out outside draw-in groove 12, and the lower tip of joint piece pastes with the upper end that leans on 7, screens from top to bottom connecting piece 3, when needs are dismantled connecting piece 3, press the joint piece of both sides and make the joint piece stretch into draw-in groove 12, reset spring 11 compresses, can will lean on in proper order to lean on 7 and connecting piece 3 to take out, dismantle or change connecting piece 3.

In more detail, a lubricating oil passage 13 for lubrication is opened at the bottom end of the connecting member 3 and at a position corresponding to each rack 4.

In further detail, the lower end of the clamping piece 10 is attached to the upper end of the abutting piece 7.

In more detail, the positioning part 5 is higher than the abutting part 7, and the clamping part 10 is higher than the abutting part 7.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the gear body 1, the mounting hole 2, the connecting member 3, the rack 4, the positioning portion 5, the snap-fit device 6, the abutting member, the first opening 8, the second opening 9, the snap-fit member 10, the return spring 11, the slot 12, the lubricating oil duct 13, etc. are used more frequently in the drawings, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims

1. The utility model provides a powder metallurgy gear, includes gear body (1), its characterized in that, gear body (1) on set up and supply the axle to carry out mounting hole (2) installed, gear body (1) is gone up to dismantle and is provided with connecting piece (3), be provided with rack (4) that a plurality of is used for work on the periphery wall of connecting piece (3), rack (4) and connecting piece (3) be integrated into one piece and set up, rack (4) be the slope setting, gear body (1) on be provided with four location portion (5) that are used for fixed connection spare (3), four location portion (5) are integrated into one piece with gear body (1) and set up, four all be provided with clamping device (6) that are used for supplying connecting piece (3) to carry out the joint location on location portion (5), the upper end of connecting piece (3) is provided with the piece (7) that leans on to lean on, connecting piece (3) is seted up trompil one (8) that agree with corresponding location portion (5), lean on and set up trompil two (9) that agree with corresponding location portion (5) agree with.

2. The powder metallurgy gear according to claim 1, wherein the clamping device (6) comprises two clamping members (10) and a return spring (11), the positioning portion (5) is provided with a clamping groove (12) for the two clamping members (10) to be mounted, the return spring (11) is arranged in the clamping groove (12), the clamping members (10) move in the clamping groove (12) under the action of the return spring (11), one end of the return spring (11) is fixedly connected to the inner wall of the clamping groove (12), and the other end of the return spring (11) is connected with the clamping members (10).

3. A powder metallurgy gear according to claim 1, wherein a lubricating oil channel (13) for lubrication is opened at the bottom end of the connecting piece (3) and at a position corresponding to each rack (4).

4. A powder metallurgical gear according to claim 2, wherein the lower end of the snap-in element (10) abuts the upper end of the abutment element (7).

5. A powder metallurgy gear according to claim 2, wherein the positioning portion (5) is higher than the abutment member (7), and the snap-in member (10) is provided at a height higher than the abutment member (7).