CN212318710U

CN212318710U - Gear convenient to mount and dismount

Info

Publication number: CN212318710U
Application number: CN202020945939.6U
Authority: CN
Inventors: 朱智华
Original assignee: Shaoguan Huachuang Gear Machinery Co ltd
Current assignee: Shaoguan Huachuang Gear Machinery Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-08
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a gear convenient for installation and disassembly, which comprises a gear body and a gear mounting hole, wherein a plurality of guide grooves are arranged on the circumferential wall surface of the gear mounting hole along the circumferential array, a top press block is movably arranged in the guide grooves, and a driving mechanism capable of driving the top press block to move towards the center of the gear mounting hole is also arranged in the guide grooves, which has the advantages of reasonable and simple structure, the diameter of the gear mounting hole is firstly enlarged in advance, then the shaft is directly put into the gear mounting hole when in installation, then the movable block and the top press block are driven by a connecting rod to move towards the gear mounting hole by locking a bolt, the shaft is pressed tightly by three top press blocks, the gear body and the shaft are more firmly fixed by the arrangement of anti-skid convex strips, the bolt is locked by a locking mechanism, and the bolt is prevented from accidentally falling due to vibration, the normal operation of the gear body can be ensured; therefore, when the gear is installed or disassembled, the gear assembling and disassembling device is more convenient and improves the efficiency.

Description

Gear convenient to mount and dismount

Technical Field

The utility model relates to a gear technical field, in particular to gear easy to assemble and dismantlement.

Background

The gear that uses in the existing market installs the back of using in the pivot with it, if the service life overlength, gear and pivot direct fit tension even after the corrosion each other between the two together, often hardly take off the gear from the pivot, the equipment that the pivot is connected still can normal use sometimes, only need change the gear can, nevertheless because the gear is taken off and is led to whole equipment all can't use, cause the waste, has increaseed consumption cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gear easy to assemble and dismantlement.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a gear easy to assemble and dismantle, is including gear body and gear mounting hole there are a plurality of guide ways along the circumference array on the circumference wall of gear mounting hole the guide way internalization is equipped with the top briquetting still be equipped with the actuating mechanism that can drive top briquetting and remove toward gear mounting hole center department in the guide way.

Further, the gear body comprises a main body and a cover body, and the guide groove is formed in the main body.

Further, the driving mechanism comprises a sliding groove which is arranged in the guide groove and has the same direction with the guide groove, a moving block is movably arranged in the sliding groove and is fixedly connected with the jacking block, a connecting rod is hinged to the moving block, a threaded hole is formed in the guide groove, a bolt is arranged in the threaded hole, an annular sleeve is rotatably sleeved on the bolt, one end of the connecting rod is hinged to the annular sleeve, and the bolt penetrates through the cover body and is matched with the threaded hole.

Preferably, the cover body is provided with a locking mechanism capable of locking the bolt, the locking mechanism comprises a positioning pin movably arranged on the end of the bolt in a penetrating manner, the cover body is provided with a plurality of positioning holes in a circumferential array by taking the bolt as a circle center, and one end of the positioning pin is in interference fit with the positioning holes.

Preferably, the upper end of the positioning pin is provided with a power assisting lug.

Preferably, a spring is connected between the guide groove and the pressing block at intervals.

Preferably, the end of the top pressing block close to the gear mounting hole is an arc-shaped surface, and a plurality of anti-skidding convex strips are arranged on the arc-shaped surface.

Preferably, the number of the guide grooves is three.

To sum up, the utility model discloses for its beneficial effect of prior art is:

compared with the prior art, the gear convenient to mount and dismount has the advantages that the structure is reasonable and simple, the diameter of the gear mounting hole is firstly made large in advance, the shaft is directly placed into the gear mounting hole during mounting, then the movable block and the jacking block are driven to move towards the direction of the gear mounting hole through the connecting rod and are locked through the bolt, the shaft is jacked tightly through the three jacking blocks, the gear body is more firmly fixed with the shaft through the arrangement of the anti-skid convex strips, the bolt is locked through the locking mechanism, the bolt is prevented from accidentally falling due to vibration, and the normal operation of the gear body is guaranteed; therefore, when the gear is installed or disassembled, the gear assembling and disassembling device is more convenient and improves the efficiency.

Drawings

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

FIG. 2 is a schematic view of the main body of the present invention separated from the cover;

fig. 3 is a schematic perspective view of the main body of the present invention;

FIG. 4 is a schematic view of the half-section of the present invention;

fig. 5 is an enlarged schematic view of fig. 2 a according to the present invention.

Description of reference numerals:

1. a gear body; 2. a gear mounting hole; 3. a guide groove; 4. pressing the block; 100. a drive mechanism; 21. a main body; 22. a cover body; 31. a chute; 32. a moving block; 33. a connecting rod; 34. a threaded hole; 35. a bolt; 36. an annular sleeve; 41. positioning pins; 42. positioning holes; 51. a power-assisted bump; 61. a spring.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

a gear easy to assemble and disassemble as shown in fig. 1 to 5, the specific embodiment is as follows: the gear comprises a gear body 1 and a gear mounting hole 2, a plurality of guide grooves 3 are arranged on the circumferential wall surface of the gear mounting hole 2 along the circumference in an array manner, the number of the guide grooves 3 is preferably three, the gear body 1 comprises a main body 21 and a cover body 22, the main body 21 and the cover body 22 are locked together through screws, the guide grooves 3 are arranged on the main body 21, a jacking block 4 is movably arranged in the guide grooves 3, one end, close to the gear mounting hole 2, of the jacking block 4 is an arc-shaped surface, a plurality of anti-skidding convex strips are arranged on the arc-shaped surface, springs 61 are connected between the guide grooves 3 and the jacking block 4 at intervals, the springs 61 can enable the jacking block 4 to keep an outward thrust force and are used for fixing the jacking block 4 at the same time to prevent the jacking block 4 from randomly moving in the guide grooves 3, a driving mechanism 100 capable of driving the jacking block 4 to move towards the center of the gear mounting hole 2 is further arranged in the guide grooves 3, the diameter of the gear mounting hole 2 is firstly made large in advance, so that during mounting, a shaft is directly placed into the gear mounting hole 2, then the driving mechanism 100 drives the jacking blocks 4 to move towards the gear mounting hole 2, the shaft is jacked tightly through the three jacking blocks 4, and the gear body 1 and the shaft are fixed more firmly through the arrangement of the anti-skidding convex strips; therefore, when the gear is installed or disassembled, the gear assembling and disassembling device is more convenient and improves the efficiency.

The utility model discloses in actuating mechanism 100 is including setting up the spout 31 unanimous with 3 directions of guide way in guide way 3 the activity is equipped with movable block 32 in the spout 31,

movable block

32 and 4 fixed connection of roof pressure piece articulated on the movable block 32 have connecting rod 33 be equipped with screw hole 34 in the guide way 3 be equipped with bolt 35 in screw hole 34 rotate the cover on the bolt 35 and be equipped with annular cover 36, connecting rod 33 one end is articulated with annular cover 36, bolt 35 pass lid 22 and cooperate with screw hole 34, need lock gear body 1 when epaxial, through turning into screw hole 34 with bolt 35, move down through screw hole 34 and drive annular cover 36 and move down together, drive movable block 32 and roof pressure piece 4 lateral shifting through connecting rod 33 to tightly push up the axle.

The utility model discloses in be equipped with the locking mechanical system that can lock bolt 35 on the lid 22, locking mechanical system wears to establish locating pin 41 on the bolt 35 end including the activity use bolt 35 to have a plurality of locating holes 42 as centre of a circle circumference array on the

lid

22, 41 one end of locating pin and locating hole 42 interference fit locating pin 41 upper end is equipped with helping hand lug 51 and is in the interval connection has spring 61 between guide way 3 and the roof pressure piece 4, when bolt 35 locking back, injects in the locating hole 42 through locating pin 41, and then can prevent that bolt 35 is rotatory, can prevent to make the unexpected of bolt 35 drop because of the vibration, guarantee gear body 1 ability normal operating.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a gear easy to assemble and dismantlement, includes gear body (1) and gear mounting hole (2), its characterized in that: the gear mounting hole is characterized in that a plurality of guide grooves (3) are formed in the circumferential wall surface of the gear mounting hole (2) along the circumferential array, a top pressing block (4) is movably arranged in each guide groove (3), and a driving mechanism (100) capable of driving the top pressing block (4) to move towards the center of the gear mounting hole (2) is further arranged in each guide groove (3).

2. A gear for easy assembly and disassembly as claimed in claim 1, wherein said gear body (1) comprises a main body (21) and a cover (22), said guide groove (3) being provided on the main body (21).

3. The gear convenient to mount and dismount as claimed in claim 2, wherein the driving mechanism (100) comprises a sliding groove (31) which is arranged in the guide groove (3) and has the same direction as the guide groove (3), a moving block (32) is movably arranged in the sliding groove (31), the moving block (32) is fixedly connected with the top pressing block (4), a connecting rod (33) is hinged on the moving block (32), a threaded hole (34) is formed in the guide groove (3), a bolt (35) is arranged in the threaded hole (34), an annular sleeve (36) is rotatably sleeved on the bolt (35), one end of the connecting rod (33) is hinged with the annular sleeve (36), and the bolt (35) penetrates through the cover body (22) and is matched with the threaded hole (34).

4. The gear convenient to mount and dismount as claimed in claim 3, wherein a locking mechanism capable of locking the bolt (35) is disposed on the cover body (22), the locking mechanism includes a positioning pin (41) movably disposed through an end of the bolt (35), a plurality of positioning holes (42) are circumferentially arrayed on the cover body (22) with the bolt (35) as a center, and one end of the positioning pin (41) is in interference fit with the positioning holes (42).

5. A gear for easy mounting and dismounting according to claim 4, characterised in that a power assisting projection (51) is provided on the upper end of the positioning pin (41).

6. A gear wheel facilitating mounting and dismounting according to claim 3, characterised in that a spring (61) is connected between the guide groove (3) and the top press block (4) at an interval.

7. The gear convenient to mount and dismount as claimed in claim 3, wherein one end of the top pressing block (4) close to the gear mounting hole (2) is an arc-shaped surface, and a plurality of anti-slip convex strips are arranged on the arc-shaped surface.

8. A gear wheel facilitating mounting and dismounting according to any of claims 1-7, characterised in that the number of said guiding grooves (3) is three.