CN217328351U

CN217328351U - High-precision anti-loose transmission gear

Info

Publication number: CN217328351U
Application number: CN202221363720.0U
Authority: CN
Inventors: 蒋兴金
Original assignee: Taizhou Shenghou Gear Co ltd
Current assignee: Taizhou Shenghou Gear Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-08-30
Anticipated expiration: 2032-05-31

Abstract

The utility model provides a locking drive gear of high accuracy belongs to gear drive technical field. It has solved current gear and has received wearing and tearing easily, leads to the unstable problem of meshing. This locking drive gear of high accuracy, this gear comprises gear main part and the wheel tooth portion of a plurality of circumference distribution in gear main part, the shaft hole has been seted up at gear main part middle part, the joining in marriage in the shaft hole has the main shaft, the main shaft is connected with gear main part key, the lubricating hole has been seted up on the outer terminal surface of each wheel tooth portion, the pore wall by the lubricating hole has seted up one oil storage tank towards corresponding wheel tooth portion internal extension, set up on the lateral surface of wheel tooth portion with the communicating oiling groove of oil storage tank, the outer keyway has been seted up in the gear main part, the interior keyway has been seted up on the main shaft wall, outer keyway and interior keyway merge and form the keyway assembly, join in marriage in the keyway assembly and connect the key piece, be equipped with the adjustment mechanism that can make things convenient for the key piece to dismantle in the keyway assembly. The utility model has the advantages of it is lubricated effectual, prevent the wearing and tearing of teeth of a cogwheel portion, prevent meshing relaxation unstability.

Description

High-precision anti-loose transmission gear

Technical Field

The utility model belongs to the technical field of gear drive, a gear is related to, in particular to locking drive gear of high accuracy.

Background

The transmission gear refers to a mechanical element with gear teeth on a wheel rim which are continuously meshed to transmit motion and power. At present, when a transmission gear is in a long-time meshing transmission process, gear teeth at the outer ring position of the transmission gear are easily abraded, the transmission gear after abrasion can cause the phenomenon of unstable meshing in the meshing process, the meshing of the gear teeth is loosened, and the meshing transmission precision is reduced.

Disclosure of Invention

The utility model aims at providing a to the above-mentioned problem that exists among the prior art, provide one kind at the gear drive in-process, carry out lubricated high accuracy locking drive gear to the wheel tooth.

The purpose of the utility model can be realized by the following technical proposal: a high-precision anti-loose transmission gear is composed of a gear main body and a plurality of gear tooth parts circumferentially distributed on the gear main body, wherein a shaft hole is formed in the middle of the gear main body, a main shaft is matched and connected in the shaft hole and is connected with the gear main body in a key mode, the anti-loose transmission gear is characterized in that an oil lubrication hole is formed in the outer end face of each gear tooth part, the longitudinal section of each oil lubrication hole is in a conical shape, an oil storage groove is formed in the oil lubrication hole in a manner that the hole wall of each oil lubrication hole extends towards the corresponding gear tooth part, an oil injection groove communicated with the oil storage groove is formed in the outer side face of each gear tooth part, lubricating grease is filled in the oil injection groove, an outer key groove is formed in the gear main body, an inner key groove communicated with the outer key groove is formed in the wall face of the main shaft, the outer key groove and the inner key groove are combined to form a key groove assembly, a key block is matched and connected in the key groove assembly, a limiting snap ring is clamped at the front end of the key block on the main shaft, and an adjusting mechanism which can facilitate the disassembly of the key block is arranged in the key groove assembly.

In the high-precision anti-loose transmission gear, the adjusting mechanism is positioned at the rear end of the key block.

In the high-precision anti-loose transmission gear, a cushion block for mounting the adjusting mechanism is further arranged in the key groove assembly, and the height of the cushion block is lower than the opening depth of the inner key groove.

In foretell anti-loose drive gear of high accuracy, adjustment mechanism constitute by fixed block, adjusting bolt, kicking block and spring, the fixed block set up for cavity, the kicking block set up in the fixed block, fixed block and kicking block between be equipped with and supply the gliding uide bushing of kicking block, the spring support to lean on to set up in kicking block tip and cover and establish outside the kicking block, adjusting bolt threaded connection in the fixed block and lean on with the spring other end counterbalance, kicking block fixed connection in adjusting bolt bottom.

In the high-precision anti-loosening transmission gear, the fixing block is provided with a connecting plate extending outwards, and the connecting plate is connected with the gear tooth part through a fixing bolt.

In the above high-precision anti-loose transmission gear, the gear body is provided with a sealing ring for sealing the oil injection groove.

Compared with the prior art, the high-precision anti-loose transmission gear has the following advantages:

1. the lubricating device has the advantages of good lubricating effect, prevention of abrasion of gear teeth and prevention of unstable meshing;

2. the gear box has the advantages that the key block is convenient to take out, and the main shaft and the gear are convenient to disassemble.

Drawings

Fig. 1 is a schematic perspective view of the high-precision anti-loose transmission gear.

Fig. 2 is a schematic sectional structural view of the high-precision anti-loose transmission gear.

In the figure, 1, a gear body; 2. a wheel tooth portion; 3. a main shaft; 4. an oil lubrication hole; 5. an oil storage tank; 6. an oil injection groove; 7. a key block; 8. a limit snap ring; 9. cushion blocks; 10. a fixed block; 11. adjusting the bolt; 12. a top block; 13. a spring; 14. a guide sleeve; 15. a connecting plate; 16. fixing the bolt; 17. and (4) a sealing ring.

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 and 2, the high-precision anti-loose transmission gear comprises a gear body 1 and a plurality of gear teeth 2 circumferentially distributed on the gear body 1, wherein a shaft hole is formed in the middle of the gear body 1, a spindle 3 is connected in the shaft hole in a matching manner, the spindle 3 is connected with the gear body 1 in a key manner, an oil lubrication hole 4 is formed in the outer end surface of each gear teeth 2, the longitudinal section of each oil lubrication hole 4 is in a conical shape, one end of the oil lubrication hole 4 with a large taper is outward, an oil storage tank 5 is formed by extending the hole wall of each oil lubrication hole 4 towards the corresponding gear teeth 2, an oil injection tank 6 communicated with the oil storage tank 5 is formed in the outer side surface of each gear teeth 2, lubricating grease is filled in the oil injection tank 6, when the gears are in meshing transmission, a certain amount of heat is generated between the meshing gear teeth 2, the lubricating grease is formed into liquid lubricating oil, and under the centrifugal action, the liquid lubricating oil is thrown out from the oil lubrication holes 4 and lubricates the gear teeth 2, the utility model discloses a lubrication oil, including lubrication hole 4, outer keyway, key groove assembly, limiting snap ring 8, the key groove assembly is equipped with the adjustment mechanism that can make things convenient for key piece 7 to dismantle, the one end that the bore of lubrication hole 4 is big is outwards, can make the dispersion on a large scale of liquid lubricating oil, plays the lubricated effect of efficient, has seted up outer keyway on the gear main part 1, has seted up on the main shaft 3 wall with the communicating inner keyway of outer keyway, outer keyway and inner keyway merge and form the keyway assembly, join in marriage in the keyway assembly and have joined in marriage key piece 7, lie in key piece 7 front end card on the main shaft 3 and be equipped with spacing snap ring 8, be equipped with in the keyway assembly and make things convenient for the key piece 7 to dismantle adjustment mechanism.

Further, still be equipped with the cushion 9 that supplies adjustment mechanism to install in the keyway assembly, the degree of depth of seting up of inner keyway is less than to cushion 9, adjustment mechanism is located key 7 rear end, adjustment mechanism is by fixed block 10, adjusting bolt 11, kicking block 12 and spring 13 constitute, fixed block 10 is installed on cushion 9, because the degree of depth of seting up of inner keyway is less than to cushion 9, therefore 10 side of fixed block gets into in the inner keyway and is spacing, fixed block 10 is the cavity and offers, kicking block 12 sets up in fixed block 10, be equipped with between fixed block 10 and the kicking block 12 and supply the gliding uide bushing 14 of kicking block 12, spring 13 supports to lean on and sets up in 12 tip of kicking block and cover and establish outside kicking block 12, adjusting bolt 11 threaded connection leans on with the other end counterbalance of spring 13 in fixed block 10, kicking block 12 fixed connection is in adjusting bolt 11 bottom.

Preferably, a connecting plate 15 extends outwardly from the fixed block 10, and the connecting plate 15 is connected to the wheel toothing 2 by means of a fixing bolt 16.

The top block 12 slides inwards and outwards by controlling the adjusting bolt 11. And taking out the limiting snap ring 8, controlling the adjusting bolt 11 to enable the top block 12 to move inwards and push the key block 7, moving the key block 7 out of the key groove assembly, and then easily taking out the key block 7.

Preferably, the gear body 1 is provided with a seal ring 17 for sealing the oil reservoir 6.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art 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 gear tooth portion 2, the main shaft 3, the lubricating oil hole 4, the oil storage tank 5, the oil injection tank 6, the key block 7, the limit snap ring 8, the cushion block 9, the fixing block 10, the adjusting bolt 11, the top block 12, the spring 13, the guide sleeve 14, the connecting plate 15, the fixing bolt 16, the seal ring 17, and the like are used more frequently, 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 in a manner that is inconsistent with the spirit of the invention.

Claims

1. A high-precision anti-loose transmission gear is composed of a gear main body (1) and a plurality of gear tooth parts (2) circumferentially distributed on the gear main body (1), wherein the middle part of the gear main body (1) is provided with a shaft hole, a spindle (3) is matched and connected in the shaft hole, the spindle (3) is in key connection with the gear main body (1), and the anti-loose transmission gear is characterized in that an oil lubrication hole (4) is formed in the outer end face of each gear tooth part (2), the longitudinal section of the oil lubrication hole (4) is in a conical shape, an oil storage groove (5) is formed in the hole wall of the oil lubrication hole (4) towards the corresponding gear tooth part (2) in an extending manner, an oil injection groove (6) communicated with the oil storage groove (5) is formed in the outer side face of the gear tooth part (2), lubricating grease is filled in the oil injection groove (6), an outer key groove is formed in the gear main body (1), an inner key groove communicated with the outer key groove is formed in the wall face of the spindle (3), the outer key groove and the inner key groove are combined to form a key groove assembly, a key block (7) is connected in the key groove assembly in a matching mode, a limiting snap ring (8) is arranged on the main shaft (3) and located at the front end of the key block (7) in a clamping mode, and an adjusting mechanism capable of facilitating detachment of the key block (7) is arranged in the key groove assembly.

2. A high precision anti-loose transmission gear according to claim 1, characterized in that the adjusting mechanism is located at the rear end of the key block (7).

3. A high precision anti-loose transmission gear according to claim 1, characterized in that a cushion block (9) for mounting the adjusting mechanism is further provided in the key groove assembly, and the height of the cushion block (9) is lower than the opening depth of the inner key groove.

4. The high-precision anti-loosening transmission gear is characterized in that the adjusting mechanism is composed of a fixing block (10), an adjusting bolt (11), a top block (12) and a spring (13), the fixing block (10) is hollow, the top block (12) is arranged in the fixing block (10), a guide sleeve (14) for the top block (12) to slide is arranged between the fixing block (10) and the top block (12), the spring (13) abuts against the end portion of the top block (12) and is sleeved outside the top block (12), the adjusting bolt (11) is in threaded connection with the fixing block (10) and abuts against the other end of the spring (13), and the top block (12) is fixedly connected to the bottom of the adjusting bolt (11).

5. A high-precision anti-loose transmission gear as claimed in claim 4, characterized in that a connecting plate (15) extends outwards from the fixing block (10), and the connecting plate (15) is connected with the gear tooth part (2) through a fixing bolt (16).

6. A high precision anti-loose transmission gear according to claim 1, characterized in that the gear body (1) is provided with a sealing ring (17) for sealing the oil filling groove (6).