CN218118526U

CN218118526U - High-strength powder metallurgy gear

Info

Publication number: CN218118526U
Application number: CN202221385361.9U
Authority: CN
Inventors: 包敢锋; 孙立平
Original assignee: Wuxi Hengteli Metal Products Co ltd
Current assignee: Wuxi Hengteli Metal Products Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-12-23
Anticipated expiration: 2032-06-06

Abstract

The utility model belongs to the technical field of the gear, a high strength powder metallurgy gear is disclosed, the teeth of a cogwheel including fluted disc and evenly distributed, teeth of a cogwheel integrated into one piece is on the fluted disc, the mounting hole has been seted up at the top of fluted disc, the bottom of mounting hole is run through and is extended to the bottom of fluted disc, it has the connecting seat to peg graft at the top of mounting hole, the bottom of connecting seat is run through the mounting hole and is extended to the bottom of fluted disc. The utility model discloses a, can be inside the draw-in groove with the quick restriction of extension strip through joint spring and fixture block for dismouting can be carried out between fluted disc and the connecting seat, the teeth of a cogwheel damage on avoiding the fluted disc needs whole change, thereby reduces the waste of resource, can be with the even replenishment of lubricating oil between the adjacent teeth of a cogwheel through the setting of annotating oil pocket and oil filler point, need not to rotate the fluted disc when the oiling, also can improve lubricating efficiency when improving the security performance.

Description

High-strength powder metallurgy gear

Technical Field

The utility model relates to a gear technical field, more specifically say, relate to a high strength powder metallurgy gear.

Background

The powder metallurgy gear is a commonly used powder metallurgy part in various automobile engines, can completely meet the requirement of dimensional precision, particularly tooth profile precision, through one-step forming and finishing processes without other post-treatment processes, and therefore, compared with the traditional machining method for manufacturing, the powder metallurgy gear greatly reduces material investment and manufacturing and is a typical product reflecting the characteristics of powder metallurgy.

General powder metallurgy gear weight is great, has increaseed the gear operation degree of difficulty, is difficult to guarantee the continuous steady operation of gear, and present most powder metallurgy gear on the market all is the integral type, long-time use can lead to the powder metallurgy gear to produce the wearing and tearing of different degrees, the powder metallurgy gear of integral type is not convenient for dismantle, and needs the whole change, the practicality of powder metallurgy gear has been reduced, the gear need rotate when adding lubricating oil simultaneously, the security performance is not good.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a high strength powder metallurgy gear to solve in the past powder metallurgy gear weight great, be not convenient for dismouting and lubricated not good problem of effect.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a high strength powder metallurgy gear, includes fluted disc and evenly distributed's the teeth of a cogwheel, teeth of a cogwheel integrated into one piece is on the fluted disc, the mounting hole has been seted up at the top of fluted disc, the bottom of mounting hole runs through and extends to the bottom of fluted disc, the top of mounting hole is pegged graft and is had the connecting seat, the bottom of connecting seat runs through the mounting hole and extends to the bottom of fluted disc, evenly distributed's draw-in groove has been seted up on the inner wall of mounting hole, the mounting groove has been seted up on the inner wall of draw-in groove, fixedly connected with joint spring on the inner wall of mounting groove, the other end fixedly connected with fixture block of joint spring, one side that the joint spring was kept away from to the fixture block runs through and extends to the inside of draw-in groove, fixedly connected with evenly distributed's extension strip on the connecting seat, the extension strip is located the inside of draw-in groove and contacts with the inner bottom wall of draw-in groove, the fixture block is located the top of extension strip and contacts, the oil injection hole has been seted up to the oil injection hole, evenly distributed's oil injection hole has been seted up on the inner wall of oil injection cavity, the other end runs through and extends to the bottom of fluted disc to the fluted disc.

Lightening holes are uniformly distributed in the top of the fluted disc, and the bottom ends of the lightening holes penetrate through and extend to the bottom of the fluted disc.

The fixture block is located one side fixedly connected with telescopic link of mounting groove, the other end fixed connection of telescopic link is on the inner wall of mounting groove, the telescopic link is located the inside of joint spring.

And the connecting seat is in threaded connection with a sealing baffle plate, and the sealing baffle plate is positioned at the top of the clamping groove.

The top of notes oil pipe is pegged graft and is had the rubber buffer, the rubber buffer contacts with the inner wall of notes oil pipe.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a joint spring and fixture block can be inside the draw-in groove with the quick restriction of extension strip, thereby improve connecting seat and fluted disc connection efficiency, make and carry out the dismouting between fluted disc and the connecting seat, it needs whole change to avoid the teeth of a cogwheel damage on the fluted disc, thereby reduce the waste of resource, can be with the even replenishment of lubricating oil between the adjacent teeth of a cogwheel through the setting of annotating oil pocket and oil filler point, need not to rotate the fluted disc when the oiling, also can improve lubricating efficiency when improving the security performance, the not good problem of powder metallurgy gear practicality in the past has been solved.

Drawings

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

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 4 is a schematic top view of the cross-sectional structure of the present invention.

The numbering in the figures illustrates:

1. a fluted disc; 2. gear teeth; 3. mounting holes; 4. a connecting seat; 5. mounting grooves; 6. clamping a spring; 7. a clamping block; 8. extending the strip; 9. an oil injection cavity; 10. an oil filler hole; 11. an oil filling pipe; 12. lightening holes; 13. a telescopic rod; 14. sealing the baffle; 15. a rubber plug; 16. a clamping groove.

Detailed Description

Referring to fig. 1 to 4, the utility model relates to a high-strength powder metallurgy gear, which comprises a fluted disc 1 and uniformly distributed gear teeth 2, wherein the gear teeth 2 are integrally formed on the fluted disc 1, the top of the fluted disc 1 is provided with a mounting hole 3, the bottom of the mounting hole 3 penetrates and extends to the bottom of the fluted disc 1, the top of the mounting hole 3 is inserted with a connecting seat 4, the bottom of the connecting seat 4 penetrates through the mounting hole 3 and extends to the bottom of the fluted disc 1, the inner wall of the mounting hole 3 is provided with uniformly distributed clamping grooves 16, the inner wall of the clamping groove 16 is provided with a mounting groove 5, the inner wall of the mounting groove 5 is fixedly connected with a clamping spring 6, the other end of the clamping spring 6 is fixedly connected with a clamping block 7, one side of the clamping block 7, which is far away from the clamping spring 6, penetrates and extends to the inside of the clamping groove 16, fixedly connected with evenly distributed's extension strip 8 on connecting seat 4, extension strip 8 is located draw-in groove 16 inside and contacts with the inner bottom wall of draw-in groove 16, fixture block 7 is located the top of extension strip 8 and contacts with the top of extension strip 8, notes oil cavity 9 has been seted up to fluted disc 1's inside, set up evenly distributed's oil filler point 10 on the inner wall in oiling cavity 9, the other end of oil filler point 10 runs through and extends to the outside of fluted disc 1, oil filler point 10 is located between two adjacent teeth of a cogwheel 2, the top fixedly connected with oiling pipe 11 of fluted disc 1, the inside that fluted disc 1 and extend to notes oil cavity 9 is run through to the bottom of oiling pipe 11, wherein can prepare the strip object that corresponds quantity with draw-in groove 16 in practical application, can be in between extension strip 8 and the draw-in groove 16 inner wall.

Lightening holes 12 are uniformly distributed on the top of the fluted disc 1, and the bottom ends of the lightening holes 12 penetrate through and extend to the bottom of the fluted disc 1. The weight of the gear can be effectively reduced by the arrangement of the lightening holes 12, so that the stable operation of the gear is guaranteed, heat generated by friction of the gear is dissipated timely, and normal operation of the gear is further guaranteed.

The fixture block 7 is located one side fixedly connected with telescopic link 13 of mounting groove 5, and telescopic link 13's other end fixed connection is on the inner wall of mounting groove 5, and telescopic link 13 is located the inside of joint spring 6. When the clamping block 7 moves, the telescopic rod 13 can stretch out and draw back along with the clamping block 7, the telescopic rod 13 can limit the clamping block 7, the clamping block 7 is located inside the mounting groove 5 all the time to keep moving in the horizontal direction, and meanwhile the telescopic rod 13 can also limit the clamping spring 6.

A sealing baffle plate 14 is connected to the connecting seat 4 through threads, and the sealing baffle plate 14 is located at the top of the clamping groove 16. When the connecting socket 4 is connected inside the mounting hole 3, a user connects the sealing baffle 14 on the top of the connecting socket 4 so that the card slots 16 are all shielded, thereby preventing the card slots 16 from being exposed to the air so that dust enters the inside.

A rubber plug 15 is inserted into the top of the oil filling pipe 11, and the rubber plug 15 is in contact with the inner wall of the oil filling pipe 11. The rubber plug 15 is arranged to seal the oil filling pipe 11 and prevent dust from entering the oil filling chamber 9 through the oil filling pipe 11.

When the powder metallurgy gear needs to be installed, a user lifts the connecting seat 4 to enable the connecting seat 4 to be located at the top of the installing hole 3, at the moment, the extension strip 8 is located at the top of the clamping groove 16, then a user moves the connecting seat 4 downwards, the extension strip 8 enters the clamping groove 16 and then contacts the clamping block 7, the clamping block 7 is pressed to move towards the inside of the mounting groove 5 along with the continuous pressing of the user, the clamping spring 6 generates opposite acting force when being stressed and contracted, the fixture block 7 completely enters the mounting groove 5 in the process that the extension strip 8 continuously moves downwards, the connecting seat 4 cannot continuously move downwards when the extension strip 8 is attached to the inner wall of the clamping groove 16, the fixture block 7 is not limited at the moment, the clamping spring 6 is reset and rebounded to push the fixture block 7 out of the mounting groove 5 again, so that the bottom of the clamping block 7 is attached to the top of the extension strip 8, the extension strip 8 is positioned in the clamping groove 16 and limits the clamping block 7 to be incapable of moving upwards, the installation is completed, then the fluted disc 1 is connected to an operation area through the connecting seat 4, when the connecting seat 4 needs to be separated from the fluted disc 1, a user can insert the prepared strip-shaped object into the clamping groove 16, so that the clamping block 7 enters the mounting groove 5, the strip-shaped object can shield the mounting groove 5 and does not obstruct the upward movement of the extension strip 8, and then a user can lift the connecting seat 4 upwards, after fluted disc 1 and the long-time function of teeth of a cogwheel 2, inside user of service can add lubricating oil into oiling pipe 11, lubricating oil through 11 back of oiling pipe get into annotate oil pocket 9 inside, later through annotate inside the even inflow oil filler point 10 in oil pocket 9, spill over to between two adjacent teeth of a cogwheel 2 through oil filler point 10 afterwards, lubricate wheel tooth 2, solved the not good problem of powder metallurgy gear practicality in the past.

Claims

1. The utility model provides a high strength powder metallurgy gear, includes fluted disc (1) and evenly distributed's teeth of a cogwheel (2), teeth of a cogwheel (2) integrated into one piece is on fluted disc (1), its characterized in that: the oil injection structure is characterized in that a mounting hole (3) is formed in the top of the fluted disc (1), the bottom of the mounting hole (3) penetrates through and extends to the bottom of the fluted disc (1), a connecting seat (4) is inserted into the top of the mounting hole (3), the bottom end of the connecting seat (4) penetrates through the mounting hole (3) and extends to the bottom of the fluted disc (1), evenly distributed clamping grooves (16) are formed in the inner wall of the mounting hole (3), a mounting groove (5) is formed in the inner wall of the clamping groove (16), a clamping spring (6) is fixedly connected to the inner wall of the mounting groove (5), a clamping block (7) is fixedly connected to the other end of the clamping spring (6), one side, far away from the clamping spring (6), of the clamping block (7) penetrates through and extends to the inside of the clamping groove (16), evenly distributed extension bars (8) are fixedly connected to the connecting seat (4), the extension bars (8) are located inside of the clamping groove (16) and contact with the inner bottom wall of the clamping groove (16), the clamping block (7) is located at the top of the extension bars (8) and contacts with the oil injection holes (9), and the oil injection holes (10) are formed in the inner wall of the fluted disc (1), oil filler point (10) are located between two adjacent teeth of a cogwheel (2), the top fixedly connected with oiling pipe (11) of fluted disc (1), the bottom of oiling pipe (11) runs through fluted disc (1) and extends to the inside of annotating oil pocket (9).

2. A high strength powder metallurgy gear according to claim 1, wherein: lightening holes (12) which are uniformly distributed are formed in the top of the fluted disc (1), and the bottom ends of the lightening holes (12) penetrate through and extend to the bottom of the fluted disc (1).

3. A high strength powder metallurgy gear according to claim 1, wherein: one side fixedly connected with telescopic link (13) that fixture block (7) is located mounting groove (5), the other end fixed connection of telescopic link (13) is on the inner wall of mounting groove (5), telescopic link (13) are located the inside of joint spring (6).

4. A high strength powder metallurgy gear according to claim 1, wherein: and a sealing baffle (14) is connected to the connecting seat (4) through threads, and the sealing baffle (14) is positioned at the top of the clamping groove (16).

5. A high strength powder metallurgy gear according to claim 1, wherein: the top of notes oil pipe (11) is pegged graft and is had rubber buffer (15), rubber buffer (15) contact with the inner wall of notes oil pipe (11).