CN216112031U

CN216112031U - Improved gear

Info

Publication number: CN216112031U
Application number: CN202121893594.5U
Authority: CN
Inventors: 于婷
Original assignee: Hangzhou Jiuzuan Machinery Co ltd
Current assignee: Hangzhou Jiuzuan Machinery Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-03-22
Anticipated expiration: 2031-08-13

Abstract

The utility model belongs to the technical field of gears, and particularly relates to an improved gear which comprises a gear body, wherein a plurality of gear teeth are distributed on the outer edge of the gear body in the circumferential direction, the bottom of the gear teeth is provided with a fixed rod, the outer side of the gear body is provided with an inserting part, a plurality of grooves are distributed in the inner circumference of the inserting part, the fixed rod is inserted into the groove, the inner side of the insertion part is provided with a boss, the inner side of the boss is provided with a first combination wheel, a second combined wheel is arranged in the first through hole of the first combined wheel, the outer edges of the first combined wheel and the second combined wheel are both provided with bulges in the circumferential direction, the limiting rods are arranged on the two sides of the protrusion, the whole gear does not need to be replaced through the arrangement of the first combination wheel and the second combination wheel, the transmission shafts with two diameters can be met through the mounting and dismounting of the second combination wheel, the cost is reduced, and the gear utilization rate is improved.

Description

Improved gear

Technical Field

The utility model belongs to the technical field of gears, and particularly relates to an improved gear.

Background

The gear is a mechanical element which is meshed with the gear on the wheel rim to transmit motion and power, and the gear is widely applied to various industries such as material transportation, processing and the like and mainly plays a role in transmission. The existing gear is worn in the transmission process, the gear teeth are mainly arranged as a whole, and one gear can only be matched with a transmission shaft with one diameter. The abrasion of the gear teeth and the joints of the gears and the transmission shaft can cause that the gears are difficult to ensure the stability in the transmission process, thereby influencing the transmission efficiency. And generally, the whole gear is directly replaced when the abrasion is generated, so that the utilization rate of the gear is not high, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides an improved gear.

The utility model provides the following technical scheme:

the utility model provides an improved generation gear, includes the wheel body, wheel body outer fringe circumference distributes has a plurality of teeth of a cogwheel, the dead lever is installed to the teeth of a cogwheel bottom, the wheel body outside is provided with grafting portion, the circumferential distribution has a plurality of recesses in the grafting portion, the dead lever inserts in the recess, grafting portion inboard is provided with the boss, first combination wheel is installed to the boss inboard, install the second combination wheel in the first through-hole of first combination wheel, the outer fringe of first combination wheel and second combination wheel is equal circumference and is provided with the arch, the gag lever post is all installed to protruding both sides.

Preferably, the tooth surfaces on two sides of the gear tooth are internally provided with a wear-resistant layer, a plurality of reinforcing ribs are arranged in the wear-resistant layer, the inner wall of the groove is provided with a magnetic layer, and the fixing rod of the gear tooth is magnetically connected with the magnetic layer.

Preferably, the bulges of the first combination wheel and the second combination wheel are provided with corresponding clamping grooves, and the inner side of the second combination wheel is provided with a second through hole.

Preferably, the inner sides of the first through hole and the second through hole are respectively provided with an elastic ring.

Preferably, the bosses, the first combined wheel and the second combined wheel are circumferentially provided with heat dissipation holes.

Preferably, side rods are arranged at two ends of the limiting rod, the side rods are rotating rods, and threads are arranged on the side rods.

Preferably, the horizontal planes of the boss, the first combination wheel and the second combination wheel are all on the same plane, and the thickness of the boss is greater than that of the insertion part.

The first combined wheel 10 and the second combined wheel 12 are selected according to the diameter of the transmission shaft, so that the whole gear does not need to be replaced, the transmission shaft with two diameters can be met by mounting and dismounting the second combined wheel 12, the cost is reduced, and the gear utilization rate is improved. And first combination wheel 10 and second combination wheel 12 all carry out the joint through protruding 9 and fix to carry out spacing fixed by side lever 81 of gag lever post 8 through threaded connection, effectively prevent to drop. And the arrangement of the elastic ring 15 is beneficial to improving the wear resistance of the first through hole 13 and the second through hole 14. Simultaneously, also need not to change whole gear wheel after the teeth of a cogwheel 2 receives wearing and tearing, only with the dead lever 5 of the teeth of a cogwheel 2 that will correspond take off in the recess 6 of grafting portion 3 can, and the setting of magnetic layer 17 is convenient for install and dismantle, and wearing layer 16 and strengthening rib 4's setting is favorable to improving the performance of the teeth of a cogwheel 2, further practices thrift the cost.

The utility model has the following beneficial effects:

1) the first combination wheel and the second combination wheel are arranged, so that the whole gear does not need to be replaced, the second combination wheel can be assembled and disassembled to meet the requirements of transmission shafts with two diameters, the cost is reduced, and the gear utilization rate is improved;

2) the first combination wheel and the second combination wheel are stably fixed by matching the limiting rod with the bulge, so that falling off is effectively prevented;

3) meanwhile, the gear teeth and the grooves are arranged, so that the gear teeth are convenient to disassemble and assemble, the disassembling and assembling efficiency is greatly improved by the magnetic layer, and the cost is saved;

4) in addition, the arrangement of the wear-resistant layer and the reinforcing ribs is favorable for improving the use performance of the gear teeth, and the cost is further saved.

Drawings

FIG. 1 is an overall block diagram of an improved gear of the present invention;

FIG. 2 is a gear tooth construction of an improved gear of the present invention;

fig. 3 is a structure view of a stopper rod of an improved gear according to the present invention.

The figures are labeled as follows:

1-a wheel body; 2-gear teeth; 3-a plug-in part; 4-reinforcing ribs; 5-fixing the rod; 6-groove; 7-a boss; 8-a limiting rod; 81-side lever; 82-threads; 9-bulge; 10-a first composite wheel; 11-heat dissipation holes; 12-a second composite wheel; 13-a first via; 14-a second via; 15-an elastic ring; 16-a wear resistant layer; 17-magnetic layer.

Detailed Description

The following detailed description of the embodiments of the present invention will be given in conjunction with the accompanying drawings to make it clear to those skilled in the art how to practice the present invention. While the utility model has been described in connection with preferred embodiments thereof, these embodiments are merely illustrative, and not restrictive, of the scope of the utility model.

Referring to the attached drawings 1-3, an improved gear comprises a gear body 1, wherein a plurality of gear teeth 2 are circumferentially distributed on the outer edge of the gear body 1, a fixing rod 5 is mounted at the bottom of each gear tooth 2, an inserting portion 3 is arranged on the outer side of the gear body 1, a plurality of grooves 6 are circumferentially distributed in the inserting portion 3, the fixing rod 5 is inserted into each groove 6, so that the gear teeth 2 can be conveniently mounted and dismounted, a boss 7 is arranged on the inner side of the inserting portion 3, a first combination wheel 10 is mounted on the inner side of the boss 7, a second combination wheel 12 is mounted in a first through hole 13 of the first combination wheel 10, the first combination wheel 10 and the second combination wheel 12 can adapt to transmission shafts with different diameters, protrusions 9 are circumferentially arranged on the outer edges of the first combination wheel 10 and the second combination wheel 12, the first combination wheel 10 is mounted on the boss 7 through the protrusions 9, and the second combination wheel 12 is mounted on the first combination wheel 10, limiting rods 8 are installed on two sides of the protrusions 9, and the limiting rods 8 effectively prevent the first combination wheel 10 and the second combination wheel 12 from falling off.

Be provided with wearing layer 16 in the both sides flank of tooth 2 of the teeth of a cogwheel, effectively improve the wear resistance of the teeth of a cogwheel 2, be provided with a plurality of strengthening ribs 4 in the wearing layer 16, be favorable to improving the internal structure intensity of the teeth of a

cogwheel

2, 6 inner walls of recess are provided with magnetic layer 17, the dead lever 5 and the magnetic layer 17 magnetism of the teeth of a cogwheel 2 are connected, make the teeth of a cogwheel 2 fixed stable through magnetic layer 17.

The bulges 9 of the first combination wheel 10 and the second combination wheel 12 are provided with corresponding clamping grooves, and the inner side of the second combination wheel 12 is provided with a second through hole 14; elastic rings 15 are arranged on the inner sides of the first through hole 13 and the second through hole 14, the first through hole 13 and the second through hole 14 can be connected with a transmission shaft, and the elastic rings 15 effectively prevent abrasion at the joint in the transmission process.

The bosses 7, the first combined wheel 10 and the second combined wheel 12 are circumferentially provided with heat dissipation holes 11, so that the temperature is prevented from being too high in the transmission process.

Side rods 81 are arranged at two ends of the limiting rod 8, the side rods 81 are rotating rods, threads 82 are arranged on the side rods 81, and the limiting rod 8 is enabled to fix the protrusions 9 in the clamping grooves through the side rods 81.

The horizontal planes of the boss 7, the first combined wheel 10 and the second combined wheel 12 are all on the same plane, and the thickness of the boss 7 is larger than that of the inserting part 3, so that the wheel teeth 2 are prevented from being collided when being installed and disassembled.

The specific working principle of the utility model is as follows:

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention.

Claims

1. An improved gear comprises a gear body (1), and is characterized in that: the wheel body (1) outer fringe circumference distributes and has a plurality of teeth of a cogwheel (2), dead lever (5) are installed to teeth of a cogwheel (2) bottom, the wheel body (1) outside is provided with grafting portion (3), it has a plurality of recesses (6) to distribute in grafting portion (3) internal circumference, dead lever (5) insert in recess (6), grafting portion (3) inboard is provided with boss (7), first combination wheel (10) are installed to boss (7) inboard, install second combination wheel (12) in first through-hole (13) of first combination wheel (10), the outer fringe of first combination wheel (10) and second combination wheel (12) all circumference is provided with arch (9), gag lever post (8) are all installed to arch (9) both sides.

2. An improved gear according to claim 1, wherein: the tooth surface of the two sides of the gear teeth (2) is internally provided with a wear-resistant layer (16), the wear-resistant layer (16) is internally provided with a plurality of reinforcing ribs (4), the inner wall of the groove (6) is provided with a magnetic layer (17), and the fixing rod (5) of the gear teeth (2) is magnetically connected with the magnetic layer (17).

3. An improved gear according to claim 1, wherein: the bulges (9) of the first combined wheel (10) and the second combined wheel (12) are provided with corresponding clamping grooves, and the inner side of the second combined wheel (12) is provided with a second through hole (14).

4. An improved gear according to claim 3, wherein: elastic rings (15) are arranged on the inner sides of the first through hole (13) and the second through hole (14).

5. An improved gear according to claim 1, wherein: the heat dissipation holes (11) are circumferentially arranged on the boss (7), the first combination wheel (10) and the second combination wheel (12).

6. An improved gear according to claim 1, wherein: side rods (81) are arranged at two ends of the limiting rod (8), the side rods (81) are rotating rods, and threads (82) are arranged on the side rods (81).

7. An improved gear according to claim 1, wherein: the horizontal planes of the boss (7), the first combined wheel (10) and the second combined wheel (12) are all in the same plane, and the thickness of the boss (7) is larger than that of the insertion part (3).