CN217682548U

CN217682548U - Combined hydraulic oil cylinder protective cover

Info

Publication number: CN217682548U
Application number: CN202220163007.5U
Authority: CN
Inventors: 孟伟
Original assignee: Shanghai Dazhong Hydraulic System Co ltd
Current assignee: Shanghai Dazhong Hydraulic System Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-10-28
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a modular hydraulic cylinder safety cover belongs to hydraulic cylinder technical field, wherein, including hydraulic cylinder body and safety cover body, the quantity of safety cover body is two, two hinge swing joint, one are passed through to safety cover body one side the first fixing base of one side fixedly connected with of safety cover body, be provided with the pivot on the first fixing base, the surface swing joint of pivot has the rotation cover. Through the setting of safety cover body, first fixing base, second fixing base, rotating sleeve, threaded rod, butterfly nut and fixed slot etc. on realizing cup jointing hydraulic cylinder body surface with the safety cover body to rotate the threaded rod through limiting plate and rotating sleeve, make the threaded rod overlap joint to the recess in, and rotate the butterfly nut overlap joint to the fixed slot in, with this installation to the safety cover body of realization, increased the result of use of hydraulic cylinder safety cover.

Description

Combined hydraulic oil cylinder protective cover

Technical Field

The utility model relates to a hydraulic cylinder technical field, more specifically say, it relates to a modular hydraulic cylinder safety cover.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs 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. However, the existing hydraulic oil cylinder protective cover is inconvenient to install, and the extended piston rod is inconvenient to protect by the hydraulic oil cylinder protective cover.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Not enough to prior art exists, the utility model aims to provide a modular hydraulic cylinder safety cover, it has the characteristics that the hydraulic cylinder safety cover is convenient for install and the hydraulic cylinder safety cover is convenient for protect the piston rod that stretches out.

(2) Technical scheme

In order to achieve the purpose, the utility model provides a combined hydraulic oil cylinder protective cover, which comprises a hydraulic oil cylinder body and a protective cover body, wherein the protective cover body is two in number, two protective cover body sides are movably connected through a hinge, one protective cover body side is fixedly connected with a first fixed seat, a rotating shaft is arranged on the first fixed seat, the outer surface of the rotating shaft is movably connected with a rotating sleeve, one side of the rotating sleeve is fixedly connected with a connecting shaft, one end of the connecting shaft is fixedly connected with a threaded rod, one end of the threaded rod is fixedly connected with a limiting plate, the outer surface of the threaded rod is in threaded connection with a butterfly nut, one protective cover body is fixedly connected with a second fixed seat, one side of the second fixed seat is provided with a groove, and one side of the second fixed seat is provided with a fixed groove;

the safety protection cover comprises a protection cover body and is characterized in that a sliding groove is formed in the outer surface of the protection cover body, a plurality of clamping grooves are formed in the bottom of the inner wall of the sliding groove, a movable protection cover is arranged on the outer surface of the protection cover body, a sliding block is fixedly connected to one side of the movable protection cover and is connected to the sliding groove in a sliding mode, a movable cavity is formed in the movable protection cover, sliding grooves are formed in two sides of the inner wall of the movable cavity, a sliding plate is connected to the inner portion of each sliding groove in a sliding mode, a pull rod is fixedly connected to one side of the sliding plate, a clamping rod is fixedly connected to the other side of the sliding plate, and one end of the clamping rod penetrates through the sliding block to be connected to the clamping grooves.

When the combined hydraulic oil cylinder protective cover of the technical scheme is used, the protective cover body is sleeved on the hydraulic oil cylinder body, the threaded rod is rotated through the limiting plate and the rotating sleeve, the threaded rod is connected into the groove in an overlapping mode, the butterfly nut is connected into the fixing groove in an overlapping mode, the first fixing seat and the second fixing seat are used for installing the protective cover body, the pull plate is pulled to enable the pull rod to drive the clamping rod to retract into the movable cavity through the sliding plate, and the movable protective cover is pushed to enable the movable protective cover to protect the extending piston rod.

Furthermore, two arc-shaped grooves are formed in one side of each protection cover body, an oil inlet and an oil outlet are formed in the hydraulic oil cylinder body, and the arc-shaped grooves are clamped on the outer surfaces of the oil inlet and the oil outlet.

Furthermore, the protective cover body and the movable protective cover are both in arc-shaped design.

Furthermore, the inner wall of the protection cover body is provided with a buffer layer, the protection cover body is installed on the outer surface of the hydraulic oil cylinder body, and the buffer layer is lapped on the hydraulic oil cylinder body.

Further, the threaded rod is lapped in the groove, and the butterfly nut is lapped in the fixing groove.

Furthermore, the outer surface of the pull rod is sleeved with a spring, one end of the spring is fixedly connected to one side of the inner wall of the movable cavity, the other end of the spring is fixedly connected to the sliding plate, and one end of the pull rod penetrates through the pull plate fixedly connected with the movable protection cover.

(3) Advantageous effects

To sum up, the utility model discloses following beneficial effect has:

1. the protective cover body is sleeved on the outer surface of the hydraulic oil cylinder body through the arrangement of the protective cover body, the first fixed seat, the second fixed seat, the rotating sleeve, the threaded rod, the butterfly nut, the fixing groove and the like, the threaded rod is rotated through the limiting plate and the rotating sleeve, the threaded rod is lapped in the groove, the butterfly nut is rotated to be lapped in the fixing groove, the protective cover body is installed, and the using effect of the hydraulic oil cylinder protective cover is improved;

2. through the setting of activity safety cover, spout, slider, pull rod, sliding plate, sliding tray, kelly and draw-in groove etc. realize that the pulling arm-tie makes the pull rod pass through the sliding plate and drive the kelly and retract to the activity intracavity to promote the removal of activity safety cover, make the activity safety cover protect the piston rod that stretches out, increased the guard effect of hydraulic cylinder safety cover.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

The labels in the figures are:

1. a hydraulic cylinder body; 2. a protective cover body; 3. an arc-shaped slot; 4. a first fixed seat; 5. a rotating shaft; 6. rotating the sleeve; 7. a connecting shaft; 8. a threaded rod; 9. a limiting plate; 10. a butterfly nut; 11. a second fixed seat; 12. a movable protective cover; 13. a buffer layer; 14. a chute; 15. a card slot; 16. a movable cavity; 17. a sliding groove; 18. a sliding plate; 19. a pull rod; 20. a spring; 21. pulling a plate; 22. a clamping rod; 23. a slider; 24. a groove; 25. and fixing the grooves.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following description is made for the technical solution of the present invention in the embodiments to explain the present invention clearly and completely, obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a combined hydraulic oil cylinder protection cover is shown in figures 1, 2 and 3 and comprises a hydraulic oil cylinder body 1 and a protection cover body 2, the protection cover bodies 2 are two in number, one side of each of the two protection cover bodies 2 is movably connected through a hinge, one side of one protection cover body 2 is fixedly connected with a first fixing seat 4, a rotating shaft 5 is arranged on each first fixing seat 4, the outer surface of each rotating shaft 5 is movably connected with a rotating sleeve 6, one side of each rotating sleeve 6 is fixedly connected with a connecting shaft 7, one end of each connecting shaft 7 is fixedly connected with a threaded rod 8, one end of each threaded rod 8 is fixedly connected with a limiting plate 9, the outer surface of each threaded rod 8 is in threaded connection with a butterfly nut 10, one protection cover body 2 is fixedly connected with a second fixing seat 11, one side of each second fixing seat 11 is provided with a groove 24, one side of each second fixing seat 11 is provided with a fixing groove 25, the threaded rods 8 are connected into the grooves 24 in a lap joint mode through the protection cover bodies 2, the first fixing seats 4, the second fixing seats 11, the rotating sleeves 6, the threaded rods are in lap joint to the butterfly nuts 10, the fixing grooves 25, and the fixing grooves 25 are arranged in the hydraulic oil cylinder bodies, and the protection covers are installed in the protection covers 2;

sliding groove 14 has been seted up to the surface of safety cover body 2, a plurality of draw-in grooves 15 have been seted up to the inner wall bottom of spout 14, the surface of safety cover body 2 is provided with movable safety cover 12, one side fixedly connected with slider 23 of movable safety cover 12, slider 23 sliding connection is in spout 14, movable chamber 16 has been seted up to the inside of movable safety cover 12, sliding groove 17 has all been seted up to the inner wall both sides in movable chamber 16, sliding groove 17's inside sliding connection has sliding plate 18, one side fixedly connected with pull rod 19 of sliding plate 18, the opposite side fixedly connected with kelly 22 of sliding plate 18, the one end of kelly 22 passes slider 23 joint in draw-in groove 15, through movable safety cover 12, sliding groove 14, slider 23, pull rod 19, sliding plate 18, sliding groove 17, setting such as kelly 22 and draw-in groove 15, realize that pulling arm 21 makes pull rod 19 drive kelly 22 to retract to movable chamber 16 through sliding plate 18, and promote movable safety cover 12 to remove, make movable safety cover 12 protect the piston rod that stretches out, hydraulic cylinder's protective effect has been increased.

Specifically, as shown in fig. 1, 2, 3, two arc wall 3 have all been seted up to one side of two safety cover bodies 2, be provided with oil inlet and oil-out on the hydraulic cylinder body 1, 3 joints of arc wall are on the surface of oil inlet and oil-out, safety cover body 2 and activity safety cover 12 are the arc design, the inner wall of safety cover body 2 is provided with buffer layer 13, safety cover body 2 is installed on the surface of hydraulic cylinder body 1, buffer layer 13 overlap joint is on hydraulic cylinder body 1, 8 overlap joints of threaded rod are in recess 24, butterfly nut 10 overlap joints are in fixed slot 25.

Through adopting above-mentioned technical scheme, on two arc safety cover bodies 2 cup jointed hydraulic cylinder body 1, make safety cover body 2 and buffer layer 13 protect hydraulic cylinder body 1, and the arc wall 3 set up make things convenient for oil inlet and oil-out to leak outward to and first fixing base 4 and second fixing base 11 are fixed two arc safety cover bodies 2.

Specifically, as shown in fig. 1, 2 and 3, a spring 20 is sleeved on an outer surface of the pull rod 19, one end of the spring 20 is fixedly connected to one side of the inner wall of the movable cavity 16, the other end of the spring 20 is fixedly connected to the sliding plate 18, and one end of the pull rod 19 penetrates through the movable protection cover 12 and is fixedly connected to a pull plate 21.

Through adopting above-mentioned technical scheme, spring 20 promotes kelly 22 joint to draw-in groove 15 under the effect of resilience force when being in compression state, realizes kelly 22 fixed to activity safety cover 12.

The utility model discloses a theory of operation does:

when the protective cover is used, the protective cover of the hydraulic oil cylinder is moved to a place needing to be used, the protective cover body 2 is sleeved on the outer surface of the hydraulic oil cylinder body 1, the buffer layer 13 is in lap joint with the hydraulic oil cylinder body 1, the threaded rod 8 is driven to rotate through the limiting plate 9 and the rotating sleeve 6, the threaded rod 8 is in lap joint with the inner part of the groove 24, then the butterfly nut 10 is rotated to enable the butterfly nut 10 to be in lap joint with the inner part of the fixed groove 25, the protective cover body 2 is installed through the first fixed seat 4 and the second fixed seat 11, when the extended piston rod needs to be protected, the pull plate 21 is pulled to enable the pull rod 19 to drive the clamping rod 22 to retract into the movable cavity 16 through the sliding plate 18 and push the movable protective cover 12 to extend, the extended movable protective cover 12 extends out according to the extension amount of the piston rod, the pull plate 21 is loosened when the movable protective cover 12 extends to a proper length, the spring 20 pushes the clamping rod 22 to be clamped into the clamping groove 15 through the sliding plate 18 under the effect of resilience force, and accordingly the clamping rod 22 is fixed to the movable protective cover 12 and the protective cover of the piston rod is protected.

The specific embodiments are only for explaining the present invention, and it is not a limitation to the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a modular hydraulic cylinder safety cover, includes hydraulic cylinder body (1) and safety cover body (2), its characterized in that: the protective cover comprises two protective cover bodies (2) which are movably connected through a hinge, wherein one protective cover body (2) is fixedly connected with a first fixing seat (4) on one side, a rotating shaft (5) is arranged on the first fixing seat (4), a rotating sleeve (6) is movably connected with the outer surface of the rotating shaft (5), a connecting shaft (7) is fixedly connected with one side of the rotating sleeve (6), a threaded rod (8) is fixedly connected with one end of the connecting shaft (7), a limiting plate (9) is fixedly connected with one end of the threaded rod (8), a butterfly nut (10) is connected with the outer surface of the threaded rod (8) in a threaded manner, a second fixing seat (11) is fixedly connected with one protective cover body (2), a groove (24) is formed in one side of the second fixing seat (11), and a fixing groove (25) is formed in one side of the second fixing seat (11);

spout (14) have been seted up to the surface of safety cover body (2), a plurality of draw-in grooves (15) have been seted up to the inner wall bottom of spout (14), the surface of safety cover body (2) is provided with movable safety cover (12), one side fixedly connected with slider (23) of movable safety cover (12), slider (23) sliding connection is in spout (14), movable chamber (16) have been seted up to the inside of movable safety cover (12), sliding tray (17) have all been seted up to the inner wall both sides in movable chamber (16), the inside sliding connection of sliding tray (17) has sliding plate (18), one side fixedly connected with pull rod (19) of sliding plate (18), opposite side fixedly connected with kelly (22) of sliding plate (18), the one end of kelly (22) is passed slider (23) joint in draw-in groove (15).

2. The modular hydraulic ram protection cover of claim 1, wherein: two arc wall (3) have all been seted up to one side of safety cover body (2), be provided with oil inlet and oil-out on hydraulic cylinder body (1), arc wall (3) joint is on the surface of oil inlet and oil-out.

3. The combined hydraulic ram guard of claim 1, wherein: the protective cover body (2) and the movable protective cover (12) are both arc-shaped.

4. The modular hydraulic ram protection cover of claim 1, wherein: the protective cover is characterized in that a buffer layer (13) is arranged on the inner wall of the protective cover body (2), the protective cover body (2) is installed on the outer surface of the hydraulic oil cylinder body (1), and the buffer layer (13) is lapped on the hydraulic oil cylinder body (1).

5. The modular hydraulic ram protection cover of claim 1, wherein: the threaded rod (8) is lapped in the groove (24), and the butterfly nut (10) is lapped in the fixing groove (25).

6. The modular hydraulic ram protection cover of claim 1, wherein: the outer surface of pull rod (19) has cup jointed spring (20), the one end fixed connection of spring (20) is in the inner wall one side of activity chamber (16), the other end fixed connection of spring (20) is on sliding plate (18), the one end of pull rod (19) passes activity safety cover (12) fixedly connected with arm-tie (21).