CN219388303U - Hydraulic cylinder - Google Patents

Abstract

The utility model discloses a hydraulic cylinder, which comprises a hydraulic cylinder assembly, wherein the hydraulic cylinder assembly is arranged on a support, the hydraulic cylinder assembly comprises a hydraulic seat, the upper end of the hydraulic seat is fixedly connected with a cylinder barrel, a piston rod is telescopically arranged in the upper end of the cylinder barrel, the front end and the rear end of the hydraulic seat are integrally connected with support plates, and a telescopic rod is telescopically arranged on the side wall of the bottom of the hydraulic seat. Therefore, hydraulic oil enters from the oil port to realize hydraulic jacking, meanwhile, the compression spring is compressed, when a user releases the pedal rod, at the moment, the compressed compression spring pulls the telescopic rod to move downwards, after the telescopic rod moves downwards, the hydraulic oil is discharged from the oil port, and the hydraulic oil reciprocates in this way, so that pedal type telescopic control of the hydraulic cylinder can be realized, the principle is simple, the structure is clear, the use cost is low, the energy is saved, the environment is protected, and the telescopic of the hydraulic cylinder is completely controlled by staff.

Description

Hydraulic cylinder

Technical Field

The utility model relates to the field of hydraulic cylinders, in particular to a hydraulic cylinder.

Background

The hydraulic cylinder comprises a cylinder body, a piston rod, a piston and an end cover, wherein the cylinder body is connected with the end cover, the piston rod is arranged in the cylinder body and is in sliding connection with the end cover, and the piston is fixedly arranged on the piston rod and is in sliding contact with the inner wall of the cylinder body. The current telescopic control of pneumatic cylinder is through advancing oil control, generally is automatically controlled, and this kind of mode is unfavorable for outdoor convenient use, and is unfavorable for the environmental protection, therefore, this application provides a pneumatic cylinder, adopts the mode of stepping on, promotes the pneumatic cylinder and is reciprocal rectilinear cycle motion, and is energy-concerving and environment-protective, simple structure, convenient operation.

Disclosure of Invention

The present utility model is directed to a hydraulic cylinder to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a pneumatic cylinder, includes the pneumatic cylinder subassembly, the pneumatic cylinder subassembly is installed on the frame, the pneumatic cylinder subassembly includes the hydraulic pressure seat, the upper end fixedly connected with cylinder of hydraulic pressure seat, telescopic mounting has the piston rod in the cylinder upper end, the front and back end integration of hydraulic pressure seat is connected with the mounting panel, telescopic mounting has the telescopic link on the bottom lateral wall of hydraulic pressure seat, be provided with the hydraulic fluid port on the lateral wall of hydraulic pressure seat, the support includes the limiting plate, is provided with front side mounting panel and rear mounting panel on the mounting panel of front and back side respectively, the mounting panel fixedly connected with bull stick of front and back side, the cover is rotated to the front and back side on the bull stick is equipped with the end plate, the right-hand member fixedly connected with connecting rod of front and back side end plate, connecting rod right-hand member fixedly connected with horizontal pole, fixedly connected with down the connecting pin between the end plate of front and back side, the rotating connection rotates and connects rotation round pin between the rotating plate other end and the telescopic link lower extreme, the below surface cover of telescopic link is equipped with down, compression limiting plate between the upper and lower connecting plate and the telescopic link.

Further, the outer surface of the foot pedal rod is sleeved with a rod sleeve.

Further, the connecting rod is a bent rod, and the cross rod and the pedal rod are integrally connected and mutually perpendicular.

Further, the upper limiting plate is fixedly arranged on the hydraulic seat, and the upper end and the lower end of the compression spring are respectively fixedly connected with the upper limiting plate and the lower connecting plate.

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

the user steps on the foot pole, horizontal pole and connecting rod and the end plate of connecting are rotatory along the bull stick, because the last rotation of end plate is connected with the rotor plate, so, rotatory end plate can promote the rotor plate and reciprocate the telescopic link jack-up that the rotor plate upper end is connected, the telescopic link moves up along the limiting plate, because the telescopic link upper end is arranged in the cylinder, and the hydraulic pressure seat is connected with the hydraulic fluid port, jack-up in the telescopic link with the piston rod follow cylinder, space grow in the cylinder this moment, the pressure drop reduces, therefore, hydraulic oil gets into from the hydraulic fluid port, realize hydraulic jacking, simultaneously, compression spring is compressed, when the user loosens the foot pole, at this moment, compressed compression spring pulling telescopic link moves down, in the same way, after the telescopic link moves down, hydraulic oil is discharged from the hydraulic fluid port, so reciprocating, can realize the pedal type telescopic control of pneumatic cylinder, the principle is simple, and clear structure is low, and is energy-concerving and environment-protective, the pneumatic cylinder is flexible by staff control completely.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a bracket structure according to the present utility model;

FIG. 3 is a schematic view of a hydraulic cylinder assembly according to the present utility model;

fig. 4 is a schematic view of the inner structure of the cylinder barrel according to the present utility model.

In the figure: 1. a bracket; 2. a hydraulic cylinder assembly; 21. a piston rod; 22. a cylinder; 23. a hydraulic seat; 24. a telescopic rod; 25. a support plate; 26. an oil port; 101. a compression spring; 102. an upper limit plate; 103. a front mounting plate; 104. a lower connecting plate; 105. a rotation pin; 106. a rotating plate; 107. a lower connecting pin; 108. an end plate; 109. a rotating rod; 110. a connecting rod; 111. a cross bar; 112. stepping on the rod by foot; 113. and a rear mounting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-4, a hydraulic cylinder comprises a hydraulic cylinder assembly 2, the hydraulic cylinder assembly 2 is installed on a support 1, the hydraulic cylinder assembly 2 comprises a hydraulic seat 23, the upper end of the hydraulic seat 23 is fixedly connected with a cylinder 22, a piston rod 21 is telescopically installed in the upper end of the cylinder 22, the front end and the rear end of the hydraulic seat 23 are integrally connected with a support plate 25, a telescopic rod 24 is telescopically installed on the bottom side wall of the hydraulic seat 23, an oil port 26 is arranged on the side wall of the hydraulic seat 23, the support 1 comprises an upper limiting plate 102, a front mounting plate 103 and a rear mounting plate 113 are respectively arranged on the support plate 25 on the front side and the rear side, a rotating rod 109 is fixedly connected with a rotating rod 109, an end plate 108 is sleeved on the rotating rod 109 on the front side and the rear side, a connecting rod 110 is fixedly connected with the right end of the front end plate 108, the right end of the connecting rod 110 is fixedly connected with a cross rod 111, a foot pedal 112 is fixedly connected with a lower connecting pin 107 between the side wall 108 of the hydraulic seat 23, a lower connecting pin 107 is fixedly connected with the outer surface of the connecting plate 104, and the outer surface of the lower end of the rotating rod 104 is sleeved with the outer surface of the connecting plate 104, and the lower end plate 106 is rotatably sleeved with the outer surface of the connecting plate 104.

The utility model relates to an active driving hydraulic cylinder, which comprises a hydraulic cylinder assembly 2, wherein the hydraulic cylinder assembly 2 is arranged on a bracket 1, when the active driving hydraulic cylinder is specifically used, a user steps on a foot stepping rod 112, a cross rod 111 and a connecting rod 110 and an end plate 108 connected with the cross rod rotate along a rotating rod 109, because the rotating plate 106 is rotationally connected to the end plate 108, the rotating end plate 108 can push the rotating plate 106 to move upwards, a telescopic rod 24 connected with the upper end of the rotating plate 106 is jacked up, the telescopic rod 24 moves upwards along a limiting plate 102, because the upper end of the telescopic rod 24 is arranged in a cylinder barrel 22, and a hydraulic seat 23 is connected with an oil port 26, the piston rod 21 is jacked up from the cylinder barrel 22, at the moment, the space in the cylinder barrel 22 is enlarged, the pressure drop is reduced, so hydraulic oil enters from the oil port 26, the hydraulic jacking is realized, meanwhile, a compression spring 101 is compressed, when the user releases the foot stepping rod 112, at the moment, the compressed compression spring 101 pulls the telescopic rod 24 to move downwards, and hydraulic oil is discharged from the oil port 26, and thus the hydraulic oil is reciprocally controlled, and the hydraulic cylinder can realize simple and clear lifting and lifting operation.

Further, the outer surface of the foot pedal rod 112 is sleeved with a rod sleeve, so that the foot pedal is convenient for a user to pedal.

Further, the connecting rod 110 is a bent rod, and the cross rod 111 and the foot lever 112 are integrally connected and mutually perpendicular, so that the use is convenient.

Further, the upper limiting plate 102 is fixedly arranged on the hydraulic seat 23 and used for limiting the movement of the telescopic rod 24 and fixing the wire, and is also used for fixing the compression spring 101, and the upper end and the lower end of the compression spring 101 are fixedly connected with the upper limiting plate 102 and the lower connecting plate 104 respectively.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (4)

1. A hydraulic cylinder comprising a hydraulic cylinder assembly (2), characterized in that: the hydraulic cylinder assembly (2) is installed on the support (1), the hydraulic cylinder assembly (2) comprises a hydraulic seat (23), the upper end fixedly connected with cylinder barrel (22) of hydraulic seat (23), telescopic installation has piston rod (21) in cylinder barrel (22) upper end, the front and back end integration of hydraulic seat (23) is connected with mounting plate (25), telescopic installation of bottom lateral wall of hydraulic seat (23) has telescopic link (24), be provided with hydraulic port (26) on the lateral wall of hydraulic seat (23), support (1) is provided with front side mounting plate (103) and rear mounting plate (113) on mounting plate (25) of front and back side respectively, front and back side mounting plate (25) fixedly connected with bull stick (109), the front and back side rotation cover is equipped with end plate (108) on bull stick (109), the right-hand member fixedly connected with connecting rod (110) of front and back side end plate (108), the right-hand member fixedly connected with horizontal pole (111) is connected with pin (107) down, the pin (107) is connected with down pin (107) fixedly, the telescopic device is characterized in that a rotating pin (105) is rotatably connected between the other end of the rotating plate (106) and the lower end of the telescopic rod (24), a lower connecting plate (104) is sleeved on the outer surface of the lower part of the telescopic rod (24), and a compression spring (101) is sleeved on the outer surface of the telescopic rod (24) between the lower connecting plate (104) and the upper limiting plate (102).

2. A hydraulic cylinder according to claim 1, characterized in that: the outer surface of the foot pedal rod (112) is sleeved with a rod sleeve.

3. A hydraulic cylinder according to claim 2, characterized in that: the connecting rod (110) is a bent rod, and the cross rod (111) and the pedal rod (112) are integrally connected and mutually perpendicular.

4. A hydraulic cylinder according to claim 3, wherein: the upper limiting plate (102) is fixedly arranged on the hydraulic seat (23), and the upper end and the lower end of the compression spring (101) are fixedly connected with the upper limiting plate (102) and the lower connecting plate (104) respectively.