CN213870813U

CN213870813U - Spline shaft capable of being quickly installed and connected

Info

Publication number: CN213870813U
Application number: CN202022785265.0U
Authority: CN
Inventors: 樊春林
Original assignee: Huai'an Jinzheng Transmission Machinery Co ltd
Current assignee: Huai'an Jinzheng Transmission Machinery Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-03
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a spline shaft that can install and connect fast in the spline shaft field, including axis body and fixed column, the inside of axis body has seted up fixed chamber, the surface of axis body has seted up the through-hole, the inside of through-hole is provided with the fixed plate, the top fixedly connected with fixed block of fixed plate, the bottom fixedly connected with locking block of fixed plate, the top of fixed plate is provided with the spring, the inside fixedly connected with second locking block of fixed chamber, the one end of fixed column has seted up fixed spout, the surface of fixed column has seted up the locking spout, the other end of fixed column has seted up the slip ring, the inside of fixed column has seted up the handle hole; the utility model discloses in, through the spring, when the fixed column is not installed in fixed chamber, push away the fixed plate, make the fixed block retract the through-hole in, do not influence the surface of axis body, can install the axle sleeve on the axis body, through second locking piece, get into the locking groove after, fix the fixed column, make it accomplish with the axis body and be connected.

Description

Spline shaft capable of being quickly installed and connected

Technical Field

The utility model relates to a integral key shaft field specifically is a but integral key shaft of quick erection joint.

Background

The spline shaft is a mechanical transmission type, has the same function as a flat key, a semicircular key and an inclined key, transmits mechanical torque, has a longitudinal key groove on the outer surface of the shaft, has a corresponding key groove on a rotating part sleeved on the shaft, can keep synchronous rotation with the shaft, can longitudinally slide on the shaft while rotating, such as a gear shifting gear of a gearbox and the like, and is divided into a rectangular spline shaft and an involute spline shaft, wherein the rectangular spline shaft in the spline shaft is widely applied, the involute spline shaft is used for connection with larger load, high centering precision requirement and larger size, the rectangular spline shaft is usually applied to devices of airplanes, automobiles, tractors, machine tool manufacturing industry, agricultural machinery, general mechanical transmission and the like, and has the characteristics of high bearing capacity, good centering performance and good guiding performance and shallow tooth root so that the stress concentration is small, in addition, the strength weakening of the shaft and the hub of the spline shaft is small, the processing is convenient, higher precision can be obtained by a grinding method, and the involute spline shaft is used for connection with larger load, high centering precision requirement and larger size.

General integral key shaft need prevent that the axle sleeve from removing or coming off when using, just need fix the axle sleeve on the axis body, but most fixed mode all uses fixed screw cap to fix spline shaft and axle sleeve, and when the operation, the step is comparatively loaded down with trivial details, and comparatively weary and hard, convenient and fast inadequately, consequently, technical personnel in the field provide a but spline shaft of quick erection joint to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but integral key shaft of quick erection joint to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides a but integral key shaft of quick erection joint, includes axis body and fixed column, fixed chamber has been seted up to the inside of axis body, the through-hole has been seted up to the surface of axis body, the inside of through-hole is provided with the fixed plate, the top fixedly connected with fixed block of fixed plate, the bottom fixedly connected with locking block of fixed plate, the top of fixed plate is provided with the spring, the inside fixedly connected with second locking block in fixed chamber, fixed spout has been seted up to the one end of fixed column, the locking spout has been seted up to the surface of fixed column, the slip ring has been seted up to the other end of fixed column, the handle hole has been seted up to the inside of fixed column.

As a further aspect of the present invention: the utility model discloses a locking device, including locking block, second locking block, anti-corrosion coating, anti-.

As a further aspect of the present invention: the utility model discloses a fixed sliding ring, including fixed spout, fixed sliding ring, fixed column, fixed chute and slip ring, the equal fixedly connected with smooth layer in surface of fixed spout and slip ring, one side fixed mounting of fixed column has rubber seal ring, through smooth layer, reduces the locking piece and produces frictional force when fixed spout and slip ring slip, reduces the friction loss, reduces the production of frictional heat, avoids the locking piece to produce thermal deformation, improves the durability of device, through rubber seal ring, separates fixed chamber and external world, can add lubricating oil to fixed chamber before accomplishing the connection, extension device's life.

As a further aspect of the present invention: the bottom fixedly connected with access groove of locking spout, the top fixedly connected with locking groove of locking spout through the access groove, makes the second locking piece can get into the locking spout after getting into fixed spout to get into the locking groove and fix the position, with the position of locking fixed column in fixed chamber.

As a further aspect of the present invention: one side fixedly connected with style of calligraphy cavity of handle hole, one side fixedly connected with disc type cavity of style of calligraphy cavity, through a style of calligraphy cavity and disc type cavity, inside the staff can use the instrument of special shape to stretch into the fixed column, convenient adjusts the state of fixed column, makes it accomplish with the axis body and is connected or break away from.

As a further aspect of the present invention: the outer fixed surface of axis body is connected with the spline tooth, the surface of spline tooth has cup jointed the axle sleeve, makes axle sleeve and axis body accomplish the linking through the spline tooth to transmission power.

As a further aspect of the present invention: the outer fixed surface of axis body is connected with the spacing collar, one side fixed mounting of spacing collar has the buffering packing ring, through the spacing collar, prescribes a limit to the position of axle sleeve, avoids the axle sleeve to slide, influences the connection, through the buffering packing ring, slows down the collision of axle sleeve and spacing collar, avoids axle sleeve and spacing collar to take place to damage.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the spring, when the fixed column is not installed in fixed chamber, push down the fixed plate, make the fixed block retract in the through-hole, do not influence the surface of axis body, can install the axle sleeve on the axis body, through the fixed column, pack the fixed chamber into with the fixed column, make the locking block when through fixed spout, by the fixed spout jack-up that improves gradually, make the fixed block stretch out the through-hole, fix the axle sleeve after the axle sleeve installation is accomplished, avoid the axle sleeve to deviate from, through the second locking block, get into the locking groove after, fix the fixed column, make it accomplish with the axis body and be connected, only need pack the fixed chamber into with the fixed column, just can accomplish the fixed to the axle sleeve, need not unnecessary step, and convenient for installation.

2. The utility model discloses in, through a style of calligraphy cavity and disc type cavity, inside the staff can stretch into the fixed column using special shape's instrument, convenient state to the fixed column is adjusted, make it accomplish with the axis body and be connected or break away from, through the spacing collar, prescribe a limit to the position of axle sleeve, avoid the axle sleeve to slide, the influence is connected, through the buffering packing ring, slow down the collision of axle sleeve and spacing collar, avoid axle sleeve and spacing collar to take place to damage, through smooth layer, reduce the locking block and produce frictional force when sliding in fixed spout and the sliding ring, reduce the friction loss, reduce the production of frictional heat, avoid the locking block to produce thermal deformation, improve the durability of device, through rubber seal ring, separate fixed chamber and external, can add lubricating oil to fixed chamber before accomplishing the connection, extension fixture's life.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the middle shaft body of the present invention;

fig. 3 is a schematic structural view of the fixing column of the present invention;

FIG. 4 is a schematic structural view of the operation hole of the present invention;

FIG. 5 is a schematic structural view of a middle smooth layer according to the present invention;

fig. 6 is a schematic view of the internal structure of the middle fixing block of the present invention.

In the figure: 1. a shaft body; 2. fixing a column; 3. a fixed cavity; 4. a through hole; 5. a fixing plate; 6. a fixed block; 7. a locking block; 8. a spring; 9. a second locking block; 10. fixing the chute; 11. locking the chute; 12. a slip ring; 13. an operation hole; 14. an anti-corrosion layer; 15. a wear layer; 16. a smoothing layer; 17. a rubber sealing gasket; 18. accessing the groove; 19. a locking groove; 20. a linear cavity; 21. a disc-shaped cavity; 22. spline teeth; 23. a shaft sleeve; 24. a limiting ring; 25. a cushion washer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a spline shaft capable of being quickly installed and connected includes a shaft body 1 and a fixed column 2, a fixed cavity 3 is formed inside the shaft body 1, a through hole 4 is formed on an outer surface of the shaft body 1, a fixed plate 5 is disposed inside the through hole 4, a fixed block 6 is fixedly connected to a top of the fixed plate 5, a locking block 7 is fixedly connected to a bottom of the fixed plate 5, a spring 8 is disposed on a top of the fixed plate 5, a second locking block 9 is fixedly connected to an inside of the fixed cavity 3, a fixed chute 10 is formed at one end of the fixed column 2, a locking chute 11 is formed on an outer surface of the fixed column 2, a sliding ring 12 is disposed at the other end of the fixed column 2, an operation hole 13 is formed inside the fixed column 2, and when the fixed column 2 is not installed in the fixed cavity 3, the fixed plate 5 is pushed down by the spring 8, so that the fixed block 6 is retracted into the through hole 4, do not influence the surface of axis body 1, can install axle sleeve 23 on the axis body 1, through fixed column 2, make locking block 7 when through fixed spout 10, by the fixed spout 10 jack-up that improves gradually, make fixed block 6 stretch out through-hole 4, install at axle sleeve 23 and accomplish the back and fix axle sleeve 23, avoid axle sleeve 23 to deviate from, through second locking block 9, get into after locking groove 19, fix fixed column 2, make it accomplish with the axis body 1 and be connected, only need pack fixed column 2 into fixed chamber 3, just can accomplish the fixed of counter axle sleeve 23, need not unnecessary step, be convenient for install.

The outer surface of the fixed block 6 is fixedly connected with an anti-corrosion layer 14, the outer surfaces of the locking block 7 and the second locking block 9 are fixedly connected with a wear-resistant layer 15, the anti-corrosion layer 14 is arranged on the fixed block 6 to resist corrosive substances which may be contacted with the device in the operation, so that the strength of the fixed block 6 is improved, the service life of the fixed block 6 is prolonged, the stability of the device is improved, the friction loss of the locking block 7 and the second locking block 9 in the use is reduced through the wear-resistant layer 15, the service stability of the device is improved, and the service life of the device is prolonged; the equal fixedly connected with smooth layer 16 of surface of fixed chute 10 and slip ring 12, one side fixed mounting of fixed column 2 has rubber seal ring 17, through smooth layer 16, reduce locking block 7 and produce frictional force when sliding in fixed chute 10 and slip ring 12, reduce the friction loss, reduce the production of frictional heat, avoid locking block 7 to produce thermal deformation, the durability of the device is improved, through rubber seal ring 17, separate fixed chamber 3 with the external world, can add lubricating oil to fixed chamber 3 before accomplishing the connection, the life of extension fixture.

The bottom of the locking chute 11 is fixedly connected with an access groove 18, the top of the locking chute 11 is fixedly connected with a locking groove 19, and the second locking block 9 can enter the locking chute 11 after entering the fixing chute 10 through the access groove 18 and enter the locking groove 19 to be fixed so as to lock the position of the fixing column 2 in the fixing cavity 3; one side of the operation hole 13 is fixedly connected with a linear cavity 20, one side of the linear cavity 20 is fixedly connected with a disc cavity 21, and through the linear cavity 20 and the disc cavity 21, a worker can extend into the fixing column 2 by using a tool with a special shape, so that the state of the fixing column 2 can be conveniently adjusted, and the fixing column 2 is connected with or separated from the shaft body 1; the outer surface of the shaft body 1 is fixedly connected with spline teeth 22, the outer surface of the spline teeth 22 is sleeved with a shaft sleeve 23, and the shaft sleeve 23 is connected with the shaft body 1 through the spline teeth 22 so as to transmit power; the outer fixed surface of axis body 1 is connected with spacing collar 24, and one side fixed mounting of spacing collar 24 has buffering packing ring 25, through spacing collar 24, prescribes a limit to the position of axle sleeve 23, avoids axle sleeve 23 to slide, and the influence is connected, through buffering packing ring 25, slows down axle sleeve 23 and spacing collar 24's collision, avoids axle sleeve 23 and spacing collar 24 to take place to damage.

The utility model discloses a theory of operation is: through the spring 8, when the fixed column 2 is not installed in the fixed cavity 3, the fixed plate 5 is pushed down to enable the fixed block 6 to be retracted into the through hole 4, the outer surface of the shaft body 1 is not affected, the shaft sleeve 23 can be installed on the shaft body 1, the fixed column 2 is installed in the fixed cavity 3 through the fixed column 2, the locking block 7 is jacked up by the gradually-improved fixed chute 10 when passing through the fixed chute 10, the fixed block 6 extends out of the through hole 4, the shaft sleeve 23 is fixed after the shaft sleeve 23 is installed, the shaft sleeve 23 is prevented from being separated, the fixed column 2 is fixed after entering the locking groove 19 through the second locking block 9, the fixed column 2 is connected with the shaft body 1, through the linear cavity 20 and the disc-shaped cavity 21, a worker can extend into the fixed column 2 through a tool with a special shape, the state of the fixed column 2 is conveniently adjusted, and the fixed column 2 is connected with or separated from the shaft body 1, through spacing collar 24, prescribe a limit to the position of axle sleeve 23, avoid axle sleeve 23 to slide, influence the connection, through buffering packing ring 25, slow down the collision of axle sleeve 23 with spacing collar 24, avoid axle sleeve 23 and spacing collar 24 to take place to damage, through smooth layer 16, reduce locking block 7 and produce frictional force when sliding in fixed spout 10 and sliding ring 12, reduce the friction loss, reduce the production of frictional heat, avoid locking block 7 to produce thermal deformation, improve the durability of device, through rubber seal ring 17, separate fixed chamber 3 from the external world, can add lubricating oil to fixed chamber 3 before accomplishing to connect, the life of extension fixture, the device is whole, only need to pack fixed column 2 into fixed chamber 3, just can accomplish the fixed to axle sleeve 23, need not unnecessary step, and convenient installation, and great convenience.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a but integral key shaft of quick erection joint, includes axis body (1) and fixed column (2), its characterized in that: fixed chamber (3) have been seted up to the inside of axis body (1), through-hole (4) have been seted up to the surface of axis body (1), the inside of through-hole (4) is provided with fixed plate (5), top fixedly connected with fixed block (6) of fixed plate (5), bottom fixedly connected with locking block (7) of fixed plate (5), the top of fixed plate (5) is provided with spring (8), inside fixedly connected with second locking block (9) of fixed chamber (3), fixed spout (10) have been seted up to the one end of fixed column (2), locking spout (11) have been seted up to the surface of fixed column (2), slip ring (12) have been seted up to the other end of fixed column (2), handle hole (13) have been seted up to the inside of fixed column (2).

2. Spline shaft according to claim 1, characterised in that: the outer surface of the fixed block (6) is fixedly connected with an anti-corrosion layer (14), and the outer surfaces of the locking block (7) and the second locking block (9) are fixedly connected with a wear-resistant layer (15).

3. Spline shaft according to claim 1, characterised in that: the outer surfaces of the fixed sliding chute (10) and the sliding ring (12) are fixedly connected with a smooth layer (16), and one side of the fixed column (2) is fixedly provided with a rubber sealing gasket (17).

4. Spline shaft according to claim 1, characterised in that: the bottom fixedly connected with of locking spout (11) is accessed into groove (18), the top fixedly connected with locking groove (19) of locking spout (11).

5. Spline shaft according to claim 1, characterised in that: one side of the operation hole (13) is fixedly connected with a linear cavity (20), and one side of the linear cavity (20) is fixedly connected with a disc-shaped cavity (21).

6. Spline shaft according to claim 1, characterised in that: the outer fixed surface of axis body (1) is connected with spline tooth (22), the surface of spline tooth (22) has cup jointed axle sleeve (23).

7. Spline shaft according to claim 1, characterised in that: the outer fixed surface of axis body (1) is connected with spacing collar (24), one side fixed mounting of spacing collar (24) has buffer washer (25).