CN212425267U

CN212425267U - Columnar eccentric column driving jack for rehabilitation machine

Info

Publication number: CN212425267U
Application number: CN202020958580.6U
Authority: CN
Inventors: 张明明; 蔡燕祥
Original assignee: Jiaxing Datong Machinery Co ltd
Current assignee: Jiaxing Datong Machinery Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-01-29
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a columnar eccentric column driving jack for a rehabilitation machine, which comprises a jack jacket, the lower end of the inner part of the jack jacket is provided with a valve body, the upper end of the valve body is provided with a cylinder groove, an oil cylinder is arranged in the cylinder groove, the outer wall of the lower end of the oil cylinder is fixedly connected with the inner wall of the cylinder groove, an oil way is arranged inside the upper end of the valve body, a vertical pressure oil tank is arranged in the middle inside the lower end of the valve body, the oil pressing groove is internally provided with an oil pressing component, the oil pressing component comprises an oil pressing part and a moving part, the oil pressing part is fixedly connected with the upper end of the moving part, a driving groove is arranged on one side of the lower end of the moving part, a cylindrical groove is arranged on the side wall of the valve body, the inner wall of the cylindrical groove is far away from the center, a moving groove which is in a semicircular annular shape and penetrates through the pressure oil tank in the vertical direction is formed in the position of the inner wall of the cylindrical groove, and a driving assembly is rotationally connected in the cylindrical groove.

Description

Columnar eccentric column driving jack for rehabilitation machine

Technical Field

The utility model relates to a jack technical field especially relates to a recovered machine is with eccentric post drive jack of column.

Background

The jack is light and small lifting equipment which takes a rigid jacking piece as a working device and jacks a heavy object through a top bracket or a bottom supporting claw within a small stroke. The jack is mainly used for the departments of factories, mines, transportation and the like as vehicle repair, other lifting, supporting and the like. The structure is light, firm, flexible and reliable, and can be carried and operated by one person.

The auxiliary walking hanging bracket for the rehabilitation is an instrument which can properly lift a patient and assist the patient to walk in the rehabilitation way. The electric lifting rod is generally arranged on the rehabilitation hanging frame in the prior art to properly lift a patient, but the electric lifting rod has certain limitation in actual operation. On one hand, the family members of a plurality of patients in the hospital can not use the remote controller to adjust the lifting rod, and the problem of inconvenient use exists. On the other hand, the electric lifting rod can run out of electricity when in use, and cannot be used continuously if the electric lifting rod cannot be charged in time, so that the use experience of a patient can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a columnar eccentric column driving jack for a rehabilitation machine, which can replace an electric lifting rod to realize the lifting function of a lifting rod on a hanger frame, and has the characteristic of convenient use, and the family members of patients can directly and manually adjust; in addition, the situation that the electric quantity cannot be used after being used up does not exist during use, so that the electric quantity control device can be used in more occasions, and the application range of the recovery machine is expanded.

The above technical purpose of the present invention can be achieved by the following technical solutions: a columnar eccentric column driving jack for a rehabilitation machine comprises a jack outer sleeve, wherein a valve body is arranged at the lower end inside the jack outer sleeve, a cylinder groove is formed in the upper end of the valve body, an oil cylinder is arranged in the cylinder groove, the outer wall of the lower end of the oil cylinder is fixedly connected with the inner wall of the cylinder groove, a piston rod is arranged at the upper end of the oil cylinder, an oil storage area is arranged between the outer wall of the oil cylinder and the jack outer sleeve, an oil way is formed in the upper end of the valve body, an oil pressing groove in the vertical direction is formed in the middle of the inner portion of the lower end of the valve body, an oil pressing assembly is arranged in the oil pressing groove and comprises an oil pressing portion and a moving portion, the oil pressing portion is fixedly connected to the upper end of the moving portion, a driving groove is formed in one side of the lower end of the moving portion, a cylindrical groove is formed in the side wall of the valve, and a driving component is rotationally connected in the cylindrical groove.

Through above-mentioned technical scheme, the control rotor can make the drive post remove at the shifting chute when the scope that removes the contained angle can rotate, and the drive post is the distance at both ends about the shifting chute at the ascending displacement volume of vertical direction. One end of the driving column, which is far away from the rotating body, moves in the driving groove and drives the oil pressing component to move up and down in the oil pressing groove. When the oil pressing part of the oil pressing assembly moves upwards, oil in the vacuum area is pressed into the cylinder groove, so that the piston rod moves upwards; when the oil pressing part moves downwards, oil in the oil storage area is sucked into the vacuum area, so that oil in the vacuum area can be pressed into the cylinder groove all the time, and the piston rod can be lifted to a proper height all the time.

The utility model discloses still further set up to: the drive assembly comprises a rotor and a drive column, the rotor is cylindrical, one end of the rotor, which is close to the valve body, is rotatably connected in the cylindrical groove, the drive column is eccentrically fixed on the side face, which is close to the pressure oil tank, of the rotor, and one end, which is far away from the rotor, of the drive column is penetrated through the movable groove and is embedded in the drive groove.

Through above-mentioned technical scheme, the drive post eccentric settings to have great displacement volume in vertical direction, the rotor drives the post and removes in the drive groove when making a round trip to rotate, thereby drives and presses oil assembly to reciprocate in certain extent.

The utility model discloses still further set up to: the central point of cylindrical groove puts and has seted up fixed caulking groove for, the fixed through-hole for fixing that link up to the shifting chute is seted up to the inner wall of fixed caulking groove, the central point that the rotor is close to the valve body side puts swivelling joint and has the fixed column, the fixed column inlays to be located fixed caulking groove in, the outer wall of fixed column is provided with the fixed pin, the fixed pin is kept away from the one end of fixed column and inlays to be located in the fixed through-hole for.

Through above-mentioned technical scheme, thereby the fixed pin is inserted and is located in the fixed through-hole and can prevent the rotor at the outside cylindrical groove of roll-off of rotation in-process.

The utility model discloses still further set up to: the outer wall of the fixing column is provided with a groove, one end, close to the fixing column, of the fixing pin is connected in the groove in a sliding mode, and an elastic piece is arranged between the groove and the fixing pin.

Through above-mentioned technical scheme, the elastic component makes the fixed pin have certain displacement volume, and the elastic component compresses when can pressing the fixed pin when need take out the rotor from cylindrical groove, thereby makes the position that the fixed pin is arranged in the through-hole for fixing shift out from the through-hole for fixing and can take out the rotor from cylindrical groove.

The utility model discloses still further set up to: and one end of the rotating body, which is far away from the valve body, is provided with a pressure lever jack.

Through above-mentioned technical scheme, during the staff can insert the depression bar into the depression bar jack when using, the convenience is rotated the rotor.

The utility model discloses still further set up to: the rotor overcoat is equipped with fixed lantern ring, fixed lantern ring is located the valve body with between the depression bar jack, fixed lantern ring fixed connection is in the outer wall of valve body, the inner wall of the fixed lantern ring with the outer wall of rotor rotates and connects.

Through above-mentioned technical scheme, fixed lantern ring can play the guard action to the rotor, prevents simultaneously that impurity from entering into the valve body from the marginal gap in cylindrical groove.

The utility model discloses still further set up to: the two ends of the moving groove are semicircular, and an included angle between the connecting line of the circle centers of the semicircular circle centers at the two ends of the moving groove and the circle center of the inner wall of the cylindrical groove is 90-120 degrees.

Through the technical scheme, the range of the rotation of the rotating body is controlled, so that the up-and-down movement distance of the oil pressing assembly is controlled, and the oil pressing assembly can better alternately complete the pressing of the oil in the oil storage area into the cylinder groove in the vacuum area and the sucking of the oil in the oil storage area into the vacuum area.

Drawings

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

fig. 2 is a top view of the present invention;

fig. 3 is a cross-sectional view taken along direction a of fig. 2 according to the present invention;

fig. 4 is a cross-sectional view taken along the direction B of fig. 1 according to the present invention;

FIG. 5 is a schematic view of a cylindrical trough according to the present invention;

fig. 6 is a schematic structural diagram of the driving assembly of the present invention;

fig. 7 is a top view of the drive assembly of the present invention;

fig. 8 is a cross-sectional view taken along direction C in fig. 7 according to the present invention.

The reference numbers in the figures mean: 1. a jack jacket; 2. a valve body; 3. a cylinder groove; 4. an oil cylinder; 5. a piston rod; 6. an oil storage region; 7. an oil path; 8. pressing an oil tank; 9. a pressure oil assembly; 10. a pressure oil part; 11. a moving part; 12. a drive slot; 13. a cylindrical groove; 14. a moving groove; 15. a drive assembly; 16. a rotating body; 17. a drive column; 18. a caulking groove for fixing; 19. a through hole for fixing; 20. fixing a column; 21. a fixing pin; 22. a groove; 23. an elastic member; 24. a pressure bar jack; 25. a fixed collar; 26. a vacuum zone; 27. a first oil channel; 28. a second oil channel; 29. a one-way valve; 30. an oil return passage; 31. and an oil return valve.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The present invention will be described below with reference to fig. 1 to 8.

The utility model provides a recovered machine eccentric column drive jack of column, includes jack overcoat 1, and jack overcoat 1's appearance is cylindrical, and the lower extreme fixed connection installation pole of jack overcoat 1 passes through screw and recovered machine body fixed connection. The lower end of the inner part of the jack jacket 1 is provided with a valve body 2, the upper end of the valve body 2 is provided with a cylinder groove 3, an oil cylinder 4 is arranged in the cylinder groove 3, the outer wall of the lower end of the oil cylinder 4 is fixedly connected with the inner wall of the cylinder groove 3, the upper end of the oil cylinder 4 is provided with a piston rod 5, and the upper end of the piston rod 5 is fixedly connected with the position of the lower end of a cargo boom at the upper end of the rehabilitation machine. The lower end of the boom and the rehabilitation machine body are connected with each other through a hinge, so that the piston rod 5 rises to enable one end of the boom, which is far away from the rehabilitation machine body, to rotate upwards by taking the hinged part as a center, thereby carrying out lifting work.

An oil storage area 6 is arranged between the outer wall of the oil cylinder 4 and the jack jacket 1, an oil way 7 is arranged inside the upper end of the valve body 2, and an oil pressing groove 8 in the vertical direction is arranged in the middle inside the lower end of the valve body 2. The oil path 7 comprises a vacuum area 26 communicated with the upper end of the oil pressing tank 8, an oil channel I27 communicated with the cylinder tank 3 and the vacuum area 26, and an oil channel II 28 communicated with the oil storage area 6 and the vacuum area 26, wherein a one-way valve 29 is arranged at the position, close to the vacuum area 26, of the oil channel I27 and the oil channel II 28, and oil can only enter the vacuum area 26 from the oil storage area 6 and then enter the cylinder tank 3 from the vacuum area 26. The oil path 7 further comprises an oil return channel 30 communicated with the cylinder groove 3 and the oil storage area 6, and an oil return valve 31 is arranged on the oil return channel 30.

An oil pressing assembly 9 is arranged in the oil pressing groove 8, the oil pressing assembly 9 comprises an oil pressing portion 10 and a moving portion 11, the oil pressing portion 10 is fixedly connected to the upper end of the moving portion 11, and the outer wall of the oil pressing portion 10 is sealed with the inner wall of the oil pressing groove 8. A driving groove 12 is formed horizontally at one side of the lower end of the moving part 11. The side wall of the valve body 2 close to the driving groove 12 is provided with a cylindrical groove 13, the position of the inner wall of the cylindrical groove 13 far away from the center is provided with a moving groove 14 which is arranged in the vertical direction and penetrates to the pressure oil tank 8 and is in a semi-circular ring shape. The central line of the moving groove 14 is a horizontal line, the two ends of the moving groove 14 are semicircular, an included angle between connecting lines of centers of the semicircular centers of the two ends of the moving groove 14 and the center of the inner wall of the cylindrical groove 13 is a moving included angle, and the moving included angle is 90-120 degrees.

The driving assembly 15 is rotatably connected in the cylindrical groove 13, the driving assembly 15 comprises a rotating body 16 and a driving column 17, the rotating body 16 is cylindrical, one end, close to the valve body 2, of the rotating body 16 is rotatably connected in the cylindrical groove 13, the driving column 17 is eccentrically fixed on the side face, close to the pressure oil tank 8, of the rotating body 16, and one end, far away from the rotating body 16, of the driving column 17 penetrates through the moving groove 14 and is embedded in the driving groove 12. When the control rotating body 16 can rotate within the range of the movement included angle, the driving column 17 can move in the moving groove 14, and the displacement of the driving column 17 in the vertical direction is the distance between the upper end and the lower end of the moving groove 14. One end of the driving column 17 far away from the rotating body 16 moves in the driving groove 12 and drives the oil pressing component 9 to move up and down in the oil pressing groove 8. When the oil pressing part 10 of the oil pressing assembly 9 moves upwards, oil in the vacuum area 26 is pressed into the cylinder groove 3, so that the piston rod 5 moves upwards; when the oil pressing part 10 moves downwards, the oil in the oil storage area 6 is sucked into the vacuum area 26, so that the oil in the vacuum area 26 can be pressed into the cylinder groove 3 all the time.

The central position of cylindrical groove 13 has seted up fixed caulking groove 18, and the inner wall of fixed caulking groove 18 has seted up the fixed through-hole 19 that link up to shifting chute 14, and the central position swivelling joint that rotor 16 is close to the valve body 2 side has fixed column 20, and fixed column 20 inlays and locates in fixed caulking groove 18, and the outer wall of fixed column 20 is provided with fixed pin 21, and the one end that fixed pin 21 kept away from fixed column 20 inlays and locates in fixed through-hole 19. The fixing pins 21 are inserted into the fixing through-holes 19 so that the rolling bodies 16 can be prevented from slipping out of the cylindrical grooves 13 during the rotation. The outer wall of the fixing column 20 is provided with a groove 22, one end of the fixing pin 21 close to the fixing column 20 is slidably connected in the groove 22, and an elastic part 23 is arranged between the groove 22 and the fixing pin 21. The elastic member 23 allows the fixing pin 21 to have a certain displacement, and when the fixing pin 21 is pressed when the rotator 16 is to be taken out of the cylindrical groove 13, the elastic member 23 is compressed, and the portion of the fixing pin 21 located in the fixing through hole 19 is moved out of the fixing through hole 19, so that the rotator 16 can be taken out of the cylindrical groove 13.

The one end that rotor 16 kept away from valve body 2 has seted up depression bar jack 24, and the staff can insert the depression bar in depression bar jack 24 when using, conveniently rotates rotor 16. Rotor 16 overcoat is equipped with fixed lantern ring 25, and fixed lantern ring 25 is located between valve body 2 and the depression bar jack 24, and fixed lantern ring 25 fixed connection is in the outer wall of valve body 2, and the inner wall of fixed lantern ring 25 and rotor 16's outer wall rotates to be connected. The fixing collar 25 can protect the rotor 16 while preventing foreign substances from entering the valve body 2 from the edge gap of the cylindrical groove 13.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a recovered machine column eccentric column drive jack, includes jack overcoat (1), the inside lower extreme of jack overcoat (1) is provided with valve body (2), jar groove (3) have been seted up to the upper end of valve body (2), be provided with in jar groove (3) hydro-cylinder (4) just the outer wall of hydro-cylinder (4) lower extreme and the inner wall fixed connection in jar groove (3), the upper end of hydro-cylinder (4) is provided with piston rod (5), its characterized in that: an oil storage area (6) is arranged between the outer wall of the oil cylinder (4) and the jack outer sleeve (1), an oil way (7) is arranged inside the upper end of the valve body (2), a vertical pressure oil tank (8) is arranged in the middle inside the lower end of the valve body (2), a pressure oil assembly (9) is arranged in the pressure oil tank (8), the pressure oil assembly (9) comprises a pressure oil part (10) and a moving part (11), the oil pressing part (10) is fixedly connected with the upper end of the moving part (11), one side of the lower end of the moving part (11) is provided with a driving groove (12), cylindrical groove (13) have been seted up to the lateral wall of valve body (2), the position that the center was kept away from to the inner wall of cylindrical groove (13) has been seted up vertical direction and has been link up to pressing oil tank (8) shape and be semicircle annular shifting chute (14), cylindrical groove (13) swivelling joint has drive assembly (15).

2. The columnar eccentric column driving jack for the rehabilitation machine as claimed in claim 1, wherein: drive assembly (15) are including rotor (16) and drive post (17), rotor (16) are cylindrical, one end swivelling joint in cylindrical groove (13) that rotor (16) are close to valve body (2), drive post (17) off-centre is fixed in rotor (16) are close to the side of pressing oil tank (8), the one end that rotor (16) were kept away from in drive post (17) runs through shifting chute (14) are set in drive groove (12).

3. The columnar eccentric column driving jack for the rehabilitation machine as claimed in claim 2, wherein: the central point of cylindrical groove (13) puts and has seted up fixed caulking groove (18) of using, the fixed through-hole (19) of using that link up to shifting chute (14) are seted up to the inner wall of fixed caulking groove (18) of using, the central point that rotor (16) are close to valve body (2) side puts swivelling joint has fixed column (20), fixed column (20) are inlayed and are located fixed caulking groove (18) of using, the outer wall of fixed column (20) is provided with fixed pin (21), the one end that fixed column (20) were kept away from in fixed pin (21) is inlayed and is located fixed through-hole (19) of using.

4. The columnar eccentric column driving jack for the rehabilitation machine as claimed in claim 3, wherein: a groove (22) is formed in the outer wall of the fixing column (20), one end, close to the fixing column (20), of the fixing pin (21) is connected into the groove (22) in a sliding mode, and an elastic piece (23) is arranged between the groove (22) and the fixing pin (21).

5. The columnar eccentric column driving jack for the rehabilitation machine as claimed in claim 2, wherein: and one end of the rotating body (16) far away from the valve body (2) is provided with a pressure lever jack (24).

6. The columnar eccentric column driving jack for the rehabilitation machine as claimed in claim 5, wherein: rotor (16) overcoat is equipped with fixed lantern ring (25), fixed lantern ring (25) are located valve body (2) with between depression bar jack (24), fixed lantern ring (25) fixed connection is in the outer wall of valve body (2), the inner wall of the fixed lantern ring (25) with the outer wall rotation of rotor (16) is connected.

7. The columnar eccentric column driving jack for the rehabilitation machine as claimed in claim 1, wherein: the two ends of the moving groove (14) are semicircular, and the included angle between the connecting line of the circle centers of the semicircular circle centers at the two ends of the moving groove (14) and the circle center of the inner wall of the cylindrical groove (13) is 90-120 degrees.