CN217129970U

CN217129970U - Oil cylinder for fitness equipment

Info

Publication number: CN217129970U
Application number: CN202123433318.3U
Authority: CN
Inventors: 胡国明
Original assignee: Jiangmen Zhihui Hydraulic Technology Co ltd
Current assignee: Jiangmen Zhihui Hydraulic Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-05
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an hydro-cylinder for fitness equipment, the hydraulic cylinder comprises a cylinder, the left end fixed mounting of cylinder has first fixed plate, the left side fixed mounting of first fixed plate has first rings, the right side fixed mounting of cylinder has the cylinder cap, the equal fixed mounting of the left side inner wall of cylinder and the inner wall of cylinder cap has first compression spring, two common fixed mounting horizontal pole between the first compression spring, fixed mounting has the sealing washer on the inside left side inner wall of cylinder cap, sliding connection has the piston on the inside four walls of cylinder, and shown piston right side fixed mounting has the piston rod. The utility model discloses in, the oil absorption cotton can adsorb the hydraulic oil that leaks out in the hydro-cylinder, and the semicircle ring is convenient for fix the oil absorption cotton to in changing, the casing can prevent that the dust from dropping on the piston rod, thereby in being taken into the hydro-cylinder by hydraulic oil, cause the hydraulic oil in the hydro-cylinder rotten, locking device is convenient for remove the casing, thereby the convenience is changed the oil absorption cotton.

Description

Oil cylinder for fitness equipment

Technical Field

The utility model relates to a hydro-cylinder technical field especially relates to a hydro-cylinder for body-building apparatus.

Background

The oil cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device.

The sealing washer is all installed mostly to current hydro-cylinder for prevent revealing of hydro-cylinder, nevertheless can still appear revealing the phenomenon after the hydro-cylinder uses a period, when the hydro-cylinder application was on body-building apparatus, revealing of hydro-cylinder not only can influence the performance of equipment, can pollute equipment moreover, influence the environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an oil cylinder for fitness equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an oil cylinder for fitness equipment comprises a cylinder barrel, wherein a first fixing plate is fixedly installed at the left end of the cylinder barrel, a first lifting ring is fixedly installed at the left side of the first fixing plate, a cylinder cover is fixedly installed at the right side of the cylinder barrel, first compression springs are fixedly installed on the left inner wall of the cylinder barrel and the inner wall of the cylinder cover, a cross rod is fixedly installed between the two first compression springs together, a sealing ring is fixedly installed on the inner wall of the left side inside of the cylinder cover, pistons are connected on the four walls inside the cylinder barrel in a sliding mode, a piston rod is fixedly installed at the right side of each piston, a second fixing plate is fixedly installed at the right end of each piston rod, a second lifting ring is fixedly installed at the right end of each second fixing plate, a shell is fixedly installed on the outer wall of the right side of the cylinder cover, each piston rod penetrates through the cylinder cover and the shell, and semicircular oil absorption cotton is slidably connected on the surface of the piston rod close to the cylinder cover, the fixed cover in the cotton outside of semi-circular oil absorption is equipped with two semicircle rings, two the top and the bottom of semicircle ring all are provided with the bolt, the top of cylinder leans on left fixed mounting to have into oil pipe, the top fixed mounting of cylinder cap has an oil pipe, casing and cylinder cap junction fixed mounting have locking device.

As a further description of the above technical solution:

locking device includes fixed mounting and is in the first baffle of the right-hand member of cylinder cap, the bottom fixed mounting of first baffle has first bracing piece, the surface cover of first bracing piece is equipped with second compression spring, the bottom of first bracing piece is rotated and is connected with the kelly, the left end fixed mounting of kelly has the second bracing piece, the right-hand member of cylinder cap just is located the outside fixed mounting second baffle of casing, sliding connection is run through to the inside of second baffle has the pull rod, the surface cover of pull rod is equipped with third compression spring, the top fixed mounting of pull rod has L shape pole.

As a further description of the above technical solution:

the right-hand member of cylinder cap is provided with the spout with L shape pole looks adaptation, just spout inside be provided with L shape pole sliding connection's slide bar.

As a further description of the above technical solution:

and a through hole matched with the movable range of the second supporting rod is formed in the outer side of the shell.

As a further description of the above technical solution:

the cylinder cover is provided with a groove matched with the shell, the shell is provided with a through hole which is slightly larger than the diameter of the piston rod, and a sealing gasket is arranged in the through hole.

As a further description of the above technical solution:

sliding connection between horizontal pole and the piston, the inside of going out oil pipe and advancing oil pipe all is provided with the filter screen.

The utility model discloses following beneficial effect has:

this hydro-cylinder for body-building apparatus, through the oil absorption cotton, semicircle ring, bolt, casing, the locking device that set up, the oil absorption cotton can adsorb the hydraulic oil that exposes out in the hydro-cylinder, and the semicircle ring is convenient for fix the oil absorption cotton to be convenient for change, the casing can prevent that the dust from dropping on the piston rod, thereby in being taken into the hydro-cylinder by hydraulic oil, cause the hydraulic oil in the hydro-cylinder to deteriorate, locking device is convenient for remove the casing, thereby the convenience is changed the oil absorption cotton.

Drawings

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

FIG. 2 is a right side view of the semicircular ring of the present invention;

fig. 3 is an enlarged view of the structure at a of the present invention.

Illustration of the drawings:

1. a first hanging ring; 2. a second fixing plate; 3. a first compression spring; 4. a piston; 5. a cylinder barrel; 6. a cross bar; 7. a piston rod; 8. a seal ring; 9. a locking device; 10. a housing; 11. a second fixing plate; 12. a second hoisting ring; 13. a semicircular ring; 14. a cylinder cover; 15. an oil outlet pipe; 16. an oil inlet pipe; 17. a bolt; 18. oil absorbing cotton; 901. a third compression spring; 902. a pull rod; 903. an L-shaped rod; 904. a second baffle; 905. a second support bar; 906. a clamping rod; 907. a first support bar; 908. a second compression spring; 909. a first baffle.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: an oil cylinder for fitness equipment comprises a cylinder barrel 5, wherein a first fixing plate 2 is fixedly installed at the left end of the cylinder barrel 5, a first lifting ring 1 is fixedly installed at the left side of the first fixing plate 2, a cylinder cover 14 is fixedly installed at the right side of the cylinder barrel 5, first compression springs 3 are fixedly installed on the left inner wall of the cylinder barrel 5 and the inner wall of the cylinder cover 14, a cross rod 6 is fixedly installed between the two first compression springs 3, a sealing ring 8 is fixedly installed on the inner left inner wall of the cylinder cover 14, a piston 4 is connected onto four inner walls of the cylinder barrel 5 in a sliding mode, a piston rod 7 is fixedly installed on the right side of the piston 4, a second fixing plate 11 is fixedly installed at the right end of the piston rod 7, a second lifting ring 12 is fixedly installed at the right end of the second fixing plate 11, a shell 10 is fixedly installed on the outer wall of the right side of the cylinder cover 14, the piston rod 7 penetrates through the cylinder cover 14 and the shell 10, and a semicircular oil absorption cotton 18 is connected onto the surface of the piston rod 7 close to the cylinder cover 14 in a sliding mode, the fixed cover in the outside of the cotton 18 of semi-circular oil absorption is equipped with two semicircle rings 13, and the top and the bottom of two semicircle rings 13 all are provided with bolt 17, and the top of cylinder 5 leans on left fixed mounting to have into oil pipe 16, and the top fixed mounting of cylinder cap 14 has out oil pipe 15, and casing 10 and the joint fixed mounting of cylinder cap 14 have locking device 9.

The locking device 9 comprises a first baffle 909 fixedly mounted at the right end of the cylinder cover 14, a first support rod 907 is fixedly mounted at the bottom of the first baffle 909, a second compression spring 908 is sleeved on the surface of the first support rod 907, a clamping rod 906 is rotatably connected to the bottom of the first support rod 907, a second support rod 905 is fixedly mounted at the left end of the clamping rod 906, a second baffle 904 is fixedly mounted at the right end of the cylinder cover 14 and located outside the shell 10, a pull rod 902 penetrates through the inside of the second baffle 904 in a sliding connection mode, a third compression spring 901 is sleeved on the surface of the pull rod 902, and an L-shaped rod 903 is fixedly mounted at the top of the pull rod 902.

The right end of the cylinder cover 14 is provided with a sliding groove matched with the L-shaped rod 903, and a sliding rod connected with the L-shaped rod 903 in a sliding mode is arranged inside the sliding groove, so that the L-shaped rod 903 can slide conveniently.

The outer side of the housing 10 is provided with a through hole adapted to the movable range of the second support bar 905, so that the second support bar 905 can rotate conveniently.

The cylinder cover 14 is provided with a groove matched with the shell 10, so that the shell 10 is convenient to fix, the shell 10 is provided with a through hole with a diameter slightly larger than that of the piston rod 7, the shell 10 is convenient to slide on the piston rod 7, and a sealing gasket is arranged in the through hole, so that dust can be prevented from entering the shell 10.

Sliding connection between horizontal pole 6 and the piston 4, the slip of the piston 4 of being convenient for, the inside of going out oil pipe 15 and advancing oil pipe 16 all is provided with the filter screen, produces impurity entering cylinder 5 in the hydraulic oil.

The working principle is as follows: when the oil cylinder for the fitness equipment is used, the piston rod 7 moves left and right in the horizontal direction, the hydraulic oil in the cylinder barrel 5 is attached to the surface of the piston rod 7 and overflows from the joint of the cylinder cover 14 and the piston rod 7 along with the left and right movement of the piston rod 7, so that not only is the waste of the hydraulic oil caused, but also the hydraulic oil drops on the surface of the fitness equipment to influence the environment, after the oil absorption cotton 18 is installed, the flowing hydraulic oil is adsorbed to avoid dropping, the shell 10 can effectively reduce dust in the air attached to the piston rod 7, when the oil absorption cotton 18 adsorbs a part of the hydraulic oil to be replaced, the pull rod 902 can be pulled outwards to enable the L-shaped rod 903 to be separated from the second support rod 905 along with the contraction of the third compression spring 901, at the moment, the clamping rod 906 can rotate on the first support rod 907 under the elastic force of the second compression spring 908, so that one end of the clamping rod 906 is separated from the shell 10, the housing 10 can then be slid to expose the half-rings 13, and the bolts 17 can be loosened to remove and replace the absorbent cotton 18.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an hydro-cylinder for body-building apparatus, includes cylinder (5), its characterized in that: the left end fixed mounting of cylinder (5) has first fixed plate (2), the left side fixed mounting of first fixed plate (2) has first rings (1), the right side fixed mounting of cylinder (5) has cylinder cap (14), the equal fixed mounting of left side inner wall of cylinder (5) and the inner wall of cylinder cap (14) has first compression spring (3), two common fixed mounting horizontal pole (6) between first compression spring (3), fixed mounting has sealing washer (8) on the inside left side inner wall of cylinder cap (14), sliding connection has piston (4) on the inside four walls of cylinder (5), shown piston (4) right side fixed mounting has piston rod (7), the right-hand member fixed mounting of piston rod (7) has second fixed plate (11), the right-hand member fixed mounting of second fixed plate (11) has second rings (12), fixed mounting has casing (10) on the right side outer wall of cylinder cap (14), piston rod (7) run through cylinder cap (14) and casing (10) and piston rod (7) and have semi-circular oil absorption cotton (18) near the surface sliding connection of cylinder cap (14), the fixed cover in outside of semi-circular oil absorption cotton (18) is equipped with two semicircle rings (13), two the top and the bottom of semicircle ring (13) all are provided with bolt (17), the top of cylinder (5) leans on left fixed mounting to have into oil pipe (16), the top fixed mounting of cylinder cap (14) has out oil pipe (15), casing (10) and cylinder cap (14) junction fixed mounting has locking device (9).

2. The oil cylinder for fitness equipment as recited in claim 1, wherein: locking device (9) are including fixed mounting first baffle (909) of the right-hand member of cylinder cap (14), the bottom fixed mounting of first baffle (909) has first bracing piece (907), the surface cover of first bracing piece (907) is equipped with second compression spring (908), the bottom of first bracing piece (907) is rotated and is connected with kelly (906), the left end fixed mounting of kelly (906) has second bracing piece (905), the right-hand member of cylinder cap (14) just is located outside fixed mounting second baffle (904) of casing (10), sliding connection is run through to the inside of second baffle (904) has pull rod (902), the surface cover of pull rod (902) is equipped with third compression spring (901), the top fixed mounting of pull rod (902) has L shape pole (903).

3. The cylinder for fitness equipment according to claim 2, wherein: the right end of cylinder cap (14) is provided with the spout with L shape pole (903) looks adaptation, just the spout is inside to be provided with the slide bar with L shape pole (903) sliding connection.

4. The cylinder for fitness equipment according to claim 2, wherein: the outer side of the shell (10) is provided with a through hole matched with the moving range of the second support rod (905).

5. The oil cylinder for fitness equipment as recited in claim 1, wherein: the cylinder cover (14) is provided with a groove matched with the shell (10), the shell (10) is provided with a through hole which is slightly larger than the diameter of the piston rod (7), and a sealing gasket is arranged in the through hole.

6. The oil cylinder for fitness equipment as recited in claim 1, wherein: the cross rod (6) is connected with the piston (4) in a sliding mode, and filter screens are arranged inside the oil outlet pipe (15) and the oil inlet pipe (16).