CN221033584U

CN221033584U - Adjustable gear shaft

Info

Publication number: CN221033584U
Application number: CN202322717451.4U
Authority: CN
Inventors: 吴国海
Original assignee: Shaoxing Haoyun Machinery Co ltd
Current assignee: Shaoxing Haoyun Machinery Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-05-28
Anticipated expiration: 2033-10-10

Abstract

The utility model discloses an adjustable gear shaft, which relates to the field of gear shafts and has the technical scheme that: the gear is connected to the outer wall of the shaft body in a sliding mode, the shaft body comprises a first pipe body and a second pipe body which are detachably connected, the gear is connected to the outer peripheral wall of the first pipe body in a sliding mode, a plurality of through holes which are evenly distributed at intervals along the length direction of the first pipe body are formed in the first pipe body, a plurality of limiting holes which are overlapped with the through holes are formed in the inner peripheral wall of the gear, and telescopic rods are arranged on the inner wall of the second pipe body.

Description

Adjustable gear shaft

Technical Field

The utility model relates to the field of gear shafts, in particular to an adjustable gear shaft.

Background

The gear shaft refers to a mechanical part which supports and rotates together with a rotating part to transmit motion, torque or bending moment, is generally in a metal round bar shape, each section can have different diameters, the part which rotates in the machine is arranged on the shaft, and the existing gear shaft is generally used in a low-speed environment.

The existing gear shaft comprises a gear and a shaft body, the gear and the shaft body are of an integrated structure, the gear needs to be replaced if the gear is worn, so that the split type gear shaft is arranged for saving the use cost, the gear in the existing split type gear shaft is connected to the outer wall of the shaft body in a sliding mode, the gear of the split type gear shaft can be replaced, and the use cost and the replacement cost of the gear shaft can be saved relatively.

The existing split type gear shaft can transmit torque to the gear through a key when the gear is sleeved on the shaft body, but the movement of the gear along the axial direction is not well limited, when the gear is subjected to external force along the axial direction, the gear moves along the axial direction easily, the mounting position of the gear on the gear shaft is usually fixed, the position of the gear is inconvenient to adjust, different transmission requirements are difficult to meet, and the position of the gear on the shaft body cannot be adjusted according to different use environments.

There is therefore a need to propose a new solution to this problem.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model aims to provide an adjustable gear shaft.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides an adjustable gear shaft, includes axis body and sliding connection at the gear of axis body outer wall, the axis body is including detachable connection's first and second body, gear sliding connection is at first outer perisporium of body, just offer a plurality of through-holes along its length direction interval distribution on the first body, the spacing hole that sets up with the through-hole coincidence is offered to the inner perisporium of gear, the inner wall of body second is equipped with the telescopic link, the one end fixedly connected with elasticity spacing subassembly of body second is kept away from to the telescopic link, elasticity spacing subassembly slides at first inner perisporium of body, elasticity spacing subassembly can imbed spacing hole and through-hole simultaneously.

Through adopting above-mentioned technical scheme, before adjusting the gear in the position of body an outer wall, gear sliding connection is at the outer perisporium of body one, spacing hole and one of them through-hole coincidence of gear inner perisporium, and elasticity spacing subassembly and telescopic link all are located body one inside, when needing to adjust the gear position, drive elasticity spacing subassembly and take place deformation when moving through the tip of handheld body two in keeping away from body one, make it break away from spacing hole and one of them through-hole simultaneously, afterwards pull body two drive telescopic link and elasticity spacing subassembly and slide towards the tip that is close to body one, until telescopic link and elasticity spacing subassembly all break away from body one inside, afterwards dismantle the gear from body one, when overlapping spacing hole and another one through-hole, adjust the telescopic link earlier, adjust into the required length when making elasticity spacing subassembly can imbed spacing hole and another through-hole coincidence simultaneously in body one inside sliding process, after the telescopic link is adjusted length, make it deformation through tight elasticity spacing subassembly, and stretch into body one inside together with elasticity spacing subassembly, elasticity spacing subassembly and body one side wall of body contradicts and one through-hole of the tip of pipe, can not be in the same time with the fixed gear along the axial direction of rotation of body one side of the body of the gear, can not be satisfied simultaneously along the fixed position of the gear at the same circumference, can not coincide with the fixed position of the gear, can be difficult to realize the demand of the axial position is fixed simultaneously with the gear, the gear can be adjusted simultaneously, the problem can be fixed simultaneously along the axial position is fixed at the axial position is not can be simultaneously along the axial with the axis is fixed.

The utility model is further provided with: the telescopic link includes connecting pipe and the connecting rod of coaxial setting, the inner wall at body two is established to the connecting pipe, elasticity spacing subassembly is established in the connecting rod one end of keeping away from body two, be equipped with the mounting that is used for the connecting rod to fix on the connecting pipe.

Through adopting above-mentioned technical scheme, when elasticity spacing subassembly and telescopic link all break away from the inside gear position that needs to be adjusted of body, and when spacing hole and another one through-hole coincide, handheld connecting rod slides at the inner peripheral wall of connecting pipe for adjust the required length of telescopic link when spacing hole and another one through-hole coincide, and make the telescopic link adjust the length after the connecting rod stable fixed at the inner peripheral wall of connecting pipe through the mounting, improve the stability of connecting rod when the connecting pipe inner wall.

The utility model is further provided with: the mounting is the bolt, the screw hole has been seted up to the one end that the body two was kept away from to the connecting pipe, the bolt passes the screw hole and supports tightly the periphery wall of connecting rod.

Through adopting above-mentioned technical scheme, when elasticity spacing subassembly, connecting pipe and connecting rod all break away from the inside gear position that is used for adjusting of body, spacing hole and another one through-hole coincidence on the gear, later handheld connecting rod slides at the inner peripheral wall of connecting pipe, the required length of telescopic link when being used for adjusting spacing hole and another one through-hole coincidence, and make the bolt support tightly with the periphery wall of connecting rod through the bolt, afterwards extrude elasticity spacing subassembly and make its deformation, and with elasticity spacing subassembly, connecting rod and connecting pipe all stretch into body inside, elasticity spacing subassembly is contradicted and is slided along its length direction with the inner peripheral wall of body one this moment, until elasticity spacing subassembly passes spacing hole and another one through-hole simultaneously, stability when connecting pipe inner wall is improved to the connecting rod through the bolt.

The utility model is further provided with: the elastic limiting assembly comprises a connecting sheet, a plurality of elastic strips and elastic lugs, wherein two ends of each elastic strip are respectively and fixedly connected with the connecting sheet and the elastic lugs, and the elastic lugs can be simultaneously embedded into limiting holes and through holes.

Through adopting above-mentioned technical scheme, before adjusting gear position, elastic lug imbeds spacing hole and one of them through-hole simultaneously, when need break away from first inside being used for of body with elastic spacing subassembly and adjust gear position, pull body two drive elastic lug makes its deformation, and make it break away from spacing hole and one of them through-hole simultaneously, elastic lug is in the laminating of body one's interior perisporium and is in the tip direction slip that is close to body one, when spacing hole and another one through-hole on the gear coincide, earlier through connecting rod at connecting pipe inner wall slip regulation required length, afterwards extrude the elastic strip, and with elastic lug, elastic strip, the connection piece, connecting rod and connecting pipe all stretch into body one inside, elastic lug is contradicted and is followed its length direction slip with body one's interior perisporium this moment, until elastic lug passes spacing hole and another one through-hole simultaneously, improve the stability of gear at body one outer wall.

The utility model is further provided with: the inner peripheral wall of the first pipe body is provided with a plurality of sliding grooves which are distributed along the length direction of the first pipe body and used for sliding the elastic lugs, and the sliding grooves are mutually communicated with the plurality of through holes.

Through adopting above-mentioned technical scheme, the elasticity lug is contradicted earlier with spout inner wall and is followed its length direction and is slided, and the elasticity lug is in extrusion state in spout sliding process, because spout and through-hole intercommunication each other for the elasticity lug is direct to slide into through-hole and one of them through-hole in spout inner wall sliding process, plays the guide effect to the slip of elasticity lug through the spout.

The utility model is further provided with: the elastic strip and the elastic lug are integrally formed, and the elastic strip and the elastic lug are made of spring steel.

Through adopting above-mentioned technical scheme, elastic strip and elastic lug make the joint strength who improves elastic strip and elastic lug through integrated into one piece.

The utility model is further provided with: the first pipe body and the second pipe body are connected through threads so that the first pipe body and the second pipe body can be detached.

Through adopting above-mentioned technical scheme, when spacing hole of elasticity spacing subassembly simultaneous embedding and one of them through-hole, elasticity spacing subassembly and telescopic link all are located body one inside this moment, through handheld body two and body one threaded connection, through elasticity spacing subassembly simultaneously embedding spacing hole and one of them through-hole, body two and body one threaded connection for elasticity spacing subassembly and telescopic link can be stably held in body one inside.

The utility model is further provided with: the outer wall fixedly connected with a plurality of locating strips of body one, a plurality of key ways that are used for locating strip gliding are seted up to the inner perisporium of gear.

Through adopting above-mentioned technical scheme, before adjusting the gear position, elasticity spacing subassembly imbeds spacing hole and one of them through-hole simultaneously, elasticity spacing subassembly and telescopic link all are located the inner peripheral wall of body one, and location strip outer wall and keyway inner wall laminating each other, when needing to adjust the gear position, the user drives elasticity spacing subassembly through the in-process of keeping away from the tip pulling of body one of handheld body two for elasticity spacing subassembly breaks away from spacing hole and one of them through-hole simultaneously, afterwards pull the direction removal that body two drive telescopic link and elasticity spacing subassembly were toward being close to body one tip, until telescopic link and elasticity spacing subassembly all break away from the inner peripheral wall of body one completely, later the user holds the gear, slide through the locating strip and make the keyway inner wall break away from the outer wall of locating strip at the keyway inner wall, make the gear can break away from the outer peripheral wall of body one, thereby conveniently dismantle the gear or adjust the position of gear at body one outer peripheral wall.

In summary, the utility model has the following beneficial effects: before adjusting the gear in the position of body an outer wall, gear sliding connection is in the outer perisporium of body one, spacing hole and one of them through-hole coincidence of gear inner perisporium, and elasticity spacing subassembly and telescopic link all are located body one inside, when needing the adjustment gear position, drive elasticity spacing subassembly and take place deformation when moving through the tip of handheld body two in a distance from body one, make it break away from spacing hole and one of them through-hole simultaneously, afterwards pull body two drive telescopic link and elasticity spacing subassembly and slide towards the tip that is close to body one, until telescopic link and elasticity spacing subassembly all break away from body one inside, later dismantle the gear from body one, when overlapping spacing hole and another one through-hole, adjust the telescopic link earlier, adjust into the required length when making elasticity spacing subassembly can imbed spacing hole and another one through-hole coincidence simultaneously in body one inside sliding process, after the telescopic link has been adjusted length, make it deform through tight elasticity spacing subassembly, and stretch into the inside of body one together with elasticity spacing subassembly, afterwards, elasticity spacing subassembly and body one inner perisporium contradicts and the tip of body one and slide along the tip of body one and slide until telescopic link all break away from body one inside, can not coincide with the gear, can be satisfied simultaneously with the fixed gear of the axial demand of the gear, can not be coincident with the other one through-hole simultaneously, can be satisfied with the gear setting up the position of the gear, can not be adjusted simultaneously, the problem can be fixed at the same with the axial position is fixed at the gear, the position is fixed at the same position, the gear, can be simultaneously, can be fixed at the position is not is at the same.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a top view of a gear and a tube according to the present utility model.

In the figure: 1. a gear; 2. a first pipe body; 3. a second pipe body; 4. a through hole; 5. a limiting hole; 6. a connecting pipe; 7. a connecting rod; 8. a bolt; 9. a threaded hole; 10. a connecting sheet; 11. an elastic strip; 12. an elastic bump; 13. a chute; 14. a positioning strip; 15. a keyway.

Detailed Description

The present utility model will be described in detail below with reference to the accompanying drawings and examples.

Examples:

An adjustable gear shaft, as shown in figure 1, comprises a shaft body and a gear 1 which is connected with the outer wall of the shaft body in a sliding way, wherein the shaft body comprises a first pipe body 2 and a second pipe body 3 which are detachably connected, the gear 1 is connected with the outer peripheral wall of the first pipe body 2 in a sliding way, a plurality of through holes 4 which are distributed at intervals along the length direction of the gear are formed in the first pipe body 2, a limit hole 5 which is overlapped with the through holes 4 is formed in the inner peripheral wall of the gear 1, a telescopic rod is arranged on the inner wall of the second pipe body 3, one end of the telescopic rod, far away from the second pipe body 3, is adhered with an elastic limit component, the elastic limit component slides on the inner peripheral wall of the first pipe body 2, when the limit hole 5 is overlapped with one of the through holes 4, the elastic limit component can be simultaneously embedded into the limit hole 5 and the through holes 4, before adjusting the position of the gear 1 on the outer wall of the first pipe body 2, the gear 1 is connected with the outer peripheral wall of the first pipe body 2 in a sliding way, and the limit hole 5 is overlapped with one of the through holes 4, when the position of the gear 1 is required to be adjusted, the elastic limiting assembly is driven to deform when the end part of the pipe body 2 far away from the pipe body 1 is moved by holding the pipe body 2, so that the elastic limiting assembly is separated from the limiting hole 5 and one of the through holes 4, then the pipe body 2 is pulled to drive the elastic limiting assembly and the telescopic rod to slide towards the end part close to the pipe body 2 until the telescopic rod and the elastic limiting assembly are separated from the pipe body 2, then the gear 1 is detached from the pipe body 2, the limiting hole 5 and the other through hole 4 are overlapped, the telescopic rod is firstly adjusted, the telescopic rod is adjusted to be the length required when the elastic limiting assembly can be simultaneously embedded into the limiting hole 5 and the other through hole 4 to be overlapped in the sliding process of the pipe body 2, after the telescopic rod is adjusted in length, the telescopic rod is deformed by pinching the elastic limiting assembly, and stretch into the inside of body one 2 with elasticity spacing subassembly and telescopic link together, elasticity spacing subassembly is contradicted and is slided along the length direction of body one 2 with the interior perisporium of body one 2 this moment, until elasticity spacing subassembly can imbed spacing hole 5 and another one through-hole 4 simultaneously and be in the coincidence department when the coincidence sets up, thereby fix gear 1 firmly the outer wall at body one 2, make gear 1 can stabilize with the coaxial rotation of axis body, can adjust gear 1 simultaneously in the different mounted position of body one 2 periphery wall, solve inconvenient adjusting gear 1's position and make the problem that is difficult to satisfy different transmission demands.

As shown in fig. 1, the telescopic link includes connecting pipe 6 and connecting rod 7 that coaxial setting, connecting pipe 6 integrated into one piece is at the inner wall of body two 3, elasticity spacing subassembly bonds the one end of keeping away from body two 3 at connecting rod 7, be equipped with the mounting that is used for connecting rod 7 to fix on connecting pipe 6, the mounting is bolt 8, threaded hole 9 has been seted up to one end of body two 3 is kept away from to connecting pipe 6, bolt 8 passes threaded hole 9 and supports tightly connecting rod 7's periphery wall, when elasticity spacing subassembly, connecting pipe 6 and connecting rod 7 all break away from body one 2 inside and are used for adjusting gear 1 position, spacing hole 5 and another one through-hole 4 coincidence on gear 1, later handheld connecting rod 7 slides at the inner perisporium of connecting pipe 6, the required length of telescopic link when being used for adjusting spacing hole 5 and another one through-hole 4 coincidence, and make bolt 8 support tightly with connecting rod 7's periphery wall through bolt 8, afterwards, extrude elasticity spacing subassembly and make its deformation, and with elasticity spacing subassembly, connecting rod 7 and connecting pipe 6 all stretch into body one 2 inside, elasticity spacing subassembly and conflict with the inner periphery wall of body one 2 and along its length direction simultaneously until elasticity spacing subassembly passes 5 and another through-hole 7 when improving stability at another connecting rod 6.

As shown in fig. 1, the elastic limiting component comprises a connecting piece 10, a plurality of elastic strips 11 and elastic lugs 12, the elastic strips 11 and the elastic lugs 12 are integrally formed, the elastic strips 11 and the elastic lugs 12 are made of spring steel, the connecting piece 10 is round, two ends of the elastic strips 11 are respectively connected with the connecting piece 10 and the elastic lugs 12, the elastic lugs 12 can be simultaneously embedded into the limiting holes 5 and one of the through holes 4, before adjusting the position of the gear 1, the elastic lugs 12 are simultaneously embedded into the limiting holes 5 and the through holes 4, when the elastic limiting component is required to be separated from the inner part of the first tube body 2 and used for adjusting the position of the gear 1, the elastic lugs 12 are pulled by the second tube body 3 to deform and simultaneously separate from the limiting holes 5 and one of the through holes 4, the elastic lugs 12 are attached to the inner peripheral wall of the first tube body 2 and slide towards the end direction close to the first tube body 2, when the limiting holes 5 and the other through holes 4 on the gear 1 are overlapped, the elastic lugs 11 are firstly slid on the inner wall of the connecting tube 6 through the connecting rod 7, then the elastic strips 11 are extruded, the elastic lugs 12, the elastic lugs 11, the connecting piece 10, the connecting rod 7 and the connecting tube 6 are all embedded into the first tube body 2, when the elastic lugs 12 are required to be separated from the inner peripheral wall 12, the first tube body 2 and the inner wall 12 is used for adjusting the position of the gear 1, and the elastic lugs are simultaneously pushed by the elastic lugs 12, and the elastic lugs 12 are simultaneously along the length of the elastic lugs 12 and the inner wall 12 and the elastic lugs 12 through the length and the elastic lugs 12.

As shown in fig. 1 and fig. 2, the inner peripheral wall of the first tube body 2 is provided with a plurality of sliding grooves 13 which are distributed along the length direction of the first tube body 2 and used for sliding of the elastic protruding blocks 12, the sliding grooves 13 are communicated with the through holes 4, the elastic protruding blocks 12 firstly collide with the inner walls of the sliding grooves 13 and slide along the length direction of the sliding grooves, the elastic protruding blocks 12 are in an extrusion state in the sliding process of the sliding grooves 13, and because the sliding grooves 13 and the through holes 4 are communicated with each other, the elastic protruding blocks 12 directly slide into the through holes 4 and one of the through holes 4 in the sliding process of the inner walls of the sliding grooves 13, and the sliding of the elastic protruding blocks 12 is guided through the sliding grooves 13.

As shown in FIG. 1 and FIG. 2, the first pipe body 2 and the second pipe body 3 are connected through threads to realize that the first pipe body 2 and the second pipe body 3 are detachable, when the elastic limiting component is simultaneously embedded into the limiting hole 5 and one of the through holes 4, the elastic limiting component and the telescopic rod are both positioned inside the first pipe body 2, at the moment, the second pipe body 3 is connected with the first pipe body 2 through threads through the second pipe body 3 in a threaded manner, and the elastic limiting component and the telescopic rod are stably accommodated inside the first pipe body 2 through the elastic limiting component and the limiting hole 5 and one of the through holes 4.

As shown in fig. 1 and fig. 2, the outer wall of the first tube body 2 is fixedly connected with a plurality of positioning strips 14, the inner peripheral wall of the gear 1 is provided with a plurality of key slots 15 for positioning strips 14 to slide, before adjusting the position of the gear 1, the elastic limiting components are simultaneously embedded into the limiting holes 5 and one of the through holes 4, the elastic limiting components and the telescopic rod are both positioned on the inner peripheral wall of the first tube body 2, and the outer wall of the positioning strips 14 and the inner wall of the key slots 15 are mutually attached, when the position of the gear 1 needs to be adjusted, a user drives the elastic limiting components to deform in the process of pulling the end part of the first tube body 2 away from the second tube body 3 by holding the second tube body 3, so that the elastic limiting components are simultaneously separated from the limiting holes 5 and one of the through holes 4, then the second tube body 3 drives the telescopic rod and the elastic limiting components to move in the direction close to the end part of the first tube body 2 until the telescopic rod and the elastic limiting components are completely separated from the inner peripheral wall of the first tube body 2, then the user holds the gear 1 by holding the positioning strips 14 and sliding the inner wall of the key slots 15 so that the inner wall of the key slots 15 is separated from the outer wall of the positioning strips 14, and the gear 1 can be separated from the outer peripheral wall of the first tube body 2, thereby facilitating the detachment of the gear 1 or the outer peripheral wall of the gear 1 at the position of the first tube body 2.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides an adjustable gear shaft, includes axis body and sliding connection at gear (1) of axis body outer wall, its characterized in that: the utility model discloses a gear, including dismantling body one (2) and body two (3) of connection, gear (1) sliding connection is at the periphery wall of body one (2), just offer a plurality of through-holes (4) along its length direction interval distribution on body one (2), spacing hole (5) that set up with through-hole (4) coincidence are offered to the inner perisporium of gear (1), the inner wall of body two (3) is equipped with the telescopic link, the one end fixedly connected with elasticity spacing subassembly of body two (3) is kept away from to the telescopic link, elasticity spacing subassembly slides at the inner perisporium of body one (2), elasticity spacing subassembly can imbed spacing hole (5) and through-hole (4) simultaneously.

2. The adjustable gear shaft of claim 1, wherein: the telescopic link includes connecting pipe (6) and connecting rod (7) of coaxial setting, connecting pipe (6) are established at the inner wall of body two (3), elasticity spacing subassembly is established in connecting rod (7) one end of keeping away from body two (3), be equipped with the mounting that is used for connecting rod (7) fixed on connecting pipe (6).

3. The adjustable gear shaft of claim 2, wherein: the fixing piece is a bolt (8), a threaded hole (9) is formed in one end, far away from the second pipe body (3), of the connecting pipe (6), and the bolt (8) penetrates through the threaded hole (9) and abuts against the peripheral wall of the connecting rod (7).

4. The adjustable gear shaft of claim 2, wherein: the elastic limiting assembly comprises a connecting sheet (10), a plurality of elastic strips (11) and elastic lugs (12), wherein two ends of each elastic strip (11) are respectively fixedly connected with the connecting sheet (10) and the elastic lugs (12), and the elastic lugs (12) can be simultaneously embedded into the limiting holes (5) and the through holes (4).

5. The adjustable gear shaft as set forth in claim 4, wherein: the inner peripheral wall of the first pipe body (2) is provided with a plurality of sliding grooves (13) which are distributed along the length direction of the first pipe body (2) and used for sliding the elastic lugs (12), and the sliding grooves (13) are communicated with the plurality of through holes (4).

6. The adjustable gear shaft as set forth in claim 4, wherein: the elastic strip (11) and the elastic lug (12) are integrally formed, and the elastic strip (11) and the elastic lug (12) are made of spring steel.

7. The adjustable gear shaft of claim 1, wherein: the first pipe body (2) and the second pipe body (3) are detachably connected through threads.

8. The adjustable gear shaft of claim 1, wherein: the outer wall of the first pipe body (2) is fixedly connected with a plurality of positioning strips (14), and the inner peripheral wall of the gear (1) is provided with a plurality of key grooves (15) for sliding the positioning strips (14).