CN211004343U

CN211004343U - Hydraulic jack not afraid of scratch

Info

Publication number: CN211004343U
Application number: CN201921769636.7U
Authority: CN
Inventors: 张弟
Original assignee: Hebei Synchronous Machinery Technology Co ltd
Current assignee: Hebei Synchronous Machinery Technology Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-07-14
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a hydraulic jack not afraid of fish tail, including piston rod and little piston shell, little piston shell inside is equipped with little piston, little piston shell upper end is equipped with the lever handle, little piston shell outer end surface is equipped with the display screen, the display screen below is equipped with the battery, little piston shell left end is equipped with the jack shell, jack shell lower extreme is equipped with the base, the bottom top is equipped with the return rod cavity in the jack shell, return rod cavity top is equipped with big piston, big piston upper end is equipped with the piston rod, jack shell inner wall both sides are equipped with the acoustical panel, the acoustical panel outside all is equipped with the sealed pad, jack shell lower extreme is equipped with the base, the base inside is equipped with pressure sensor, the base inside is equipped with oil pipe, oil pipe is equipped with on fuel outlet valve, check valve a and check valve b respectively, jack shell left end is equipped with the; the utility model discloses possessed and prevented when the piston rod is impaired to leading to the fact the harm to sealed the pad, reduced the condition of oil leak, can watch the advantage of pressure value at any time.

Description

Hydraulic jack not afraid of scratch

Technical Field

The utility model relates to a jack technical field, concretely relates to is a hydraulic jack who is not afraid of the fish tail.

Background

The jack is a small and convenient hoisting device, has two types of mechanical type and hydraulic type, is mainly used in departments of factories and mines, transportation and the like as vehicle repair and other hoisting, supporting and other work, wherein the hydraulic jack is driven by manpower or electric power to drive a hydraulic pump, and uses a cylinder body or a piston as a hoisting piece to carry out hoisting work through hydraulic system transmission, has compact structure, can stably hoist a heavy object, the hoisting capacity is up to 1000 tons at most, the stroke is 1 meter, and the transmission efficiency is higher, so the application is wider, but because the whole work is completed by hydraulic oil, the motion range of the piston is limited, when the piston reaches an upper limit position, if oil is continuously injected into a hydraulic cavity, the pressure borne by a hydraulic chamber is increased, when the piston is damaged, a return rod damages elements in the cylinder body, thereby causing the condition of oil leakage, and shortening the service life of the jack, meanwhile, the noise reduction is not realized by a viewing pressure value; therefore, a hydraulic jack which is not afraid of scratching is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic jack who is not afraid of the fish tail has possessed and has prevented when the piston rod is impaired to sealed the pad and cause the harm, reduces the condition of oil leak, can watch the advantage of pressure value at any time, has solved prior art's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic jack not afraid of scratches comprises a piston rod and a small piston shell, wherein a small piston is arranged inside the small piston shell, the small piston is sleeved in the small piston shell to form a small cylinder body, a lever handle is arranged at the upper end of the small piston shell and is connected to the small piston through a small piston shell bolt, a display screen is arranged on the surface of the outer end of the small piston shell and is fixed on the small piston shell through embedding, a storage battery is arranged below the display screen and is fixed on the small piston shell through screws, a jack shell is arranged at the left end of the small piston shell, a base is arranged at the lower end of the jack shell and is fixed under the jack shell through screws, a rod returning cavity is arranged above the bottom in the jack shell, a large piston is arranged above the rod returning cavity and is sleeved on the rod returning cavity, the upper end of the large piston is provided with a piston rod, the piston rod is sleeved in a jack shell, two sides of the inner wall of the jack shell are provided with sound-absorbing plates, the sound-absorbing plates are fixed in the jack shell through glue, the outer sides of the sound-absorbing plates are provided with sealing gaskets, the sealing gaskets are fixed on the sound-absorbing plates through glue, the lower end of the jack shell is provided with a base, the base is fixed below the jack shell through welding and sealing, a pressure sensor is arranged in the base and fixed in the base through screws, an oil pipe is arranged in the base and respectively connected to a small cylinder body, a return rod cavity and an oil tank, the oil pipe is provided with an oil drain valve, a check valve a and a check valve b, the oil drain valve, the check valve a and the check valve b are all connected to the oil pipe through flanges, and the left end of the jack shell is, the oil tank is arranged in the oil tank shell, and the oil tank is fixed in the oil tank shell through screws.

Preferably, the sound-absorbing plate is made of a glass fiber plate made by compressing high-volume-weight glass wool.

Preferably, the left end and the right end of the large piston are provided with round rollers.

Preferably, the storage battery is connected to the pressure sensor and the display screen through cables.

Preferably, the pressure sensor model is: PT124-35Mpa, the display screen model: CE4R-1540, model number of the acoustical panel: 4eNHDzkC, the model number of the storage battery: CE 4R-1540.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides a hydraulic jack that is not afraid of fish tail, easy operation, cost of maintenance are low, through when changing the stopper rod into the piston rod, can not cause the damage to sealed the pad when the piston rod is impaired, increase back the pole cavity through the removal of piston, reduce the harm to sealed the pad, sound through the effectual inside hydraulic pressure during operation that reduces of acoustical panel simultaneously, pressure value accessible display screen watches, more convenient safety.

Drawings

FIG. 1 is a schematic view of the overall structure of a hydraulic jack that is not afraid of scratching;

fig. 2 is the working principle schematic diagram of the hydraulic jack not afraid of scratch.

The figures are labeled as follows: 1 oil tank, 2 oil drain valves, 3 piston rods, 4 rod returning cavities, 5 one-way valves a, 6 lever handles, 7 small pistons, 8 small cylinder bodies, 9 one-way valves b, 10 large pistons, 11 small piston shells, 12 display screens, 13 storage batteries, 14 bases, 15 pressure sensors, 16 sound-absorbing plates, 17 sealing gaskets, 18 oil tank shells, 19 jack shells and 20 oil pipes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a hydraulic jack that is not afraid of scratches comprises a piston rod 3 and a small piston shell 11, wherein a small piston 7 is arranged inside the small piston shell 11, the small piston 7 is sleeved in the small piston shell 11 to form a small cylinder 8, a lever handle 6 is arranged at the upper end of the small piston shell 11, the lever handle 6 is connected to the small piston 7 through the small piston shell 11 by bolts, a display screen 12 and a display screen 12 model are arranged on the surface of the outer end of the small piston shell 11: CE4R-1540, display screen 12 is fixed on small piston shell 11 through inlaying, display screen 12 below is equipped with battery 13, battery 13 model: CE4R-1540, battery 13 passes through the screw fixation on little piston shell 11, little piston shell 11 left end is equipped with jack shell 19, jack shell 19 lower extreme is equipped with base 14, base 14 passes through the screw fixation under jack shell 19, bottom top is equipped with back the pole cavity 4 in jack shell 19, it is equipped with big piston 10 to return pole cavity 4 top, big piston 10 suit is on returning pole cavity 4, big piston 10 upper end is equipped with

piston rod

3, 3 suits of piston rod are in

jack shell

19, 19 inner wall both sides of jack shell are equipped with

acoustical panel

16, 16 models of acoustical panel: 4eNHDzkC, acoustical panel 16 all fixes in jack shell 19 through glue, and the acoustical panel 16 outside all is equipped with sealed pad 17, and sealed pad 17 all fixes on acoustical panel 16 through glue, and jack shell 19 lower extreme is equipped with base 14, and base 14 passes through welded seal to be fixed under jack shell 19, and the inside pressure sensor 15 that is equipped with of base 14, the 15 models of pressure sensor: PT124-35Mpa, the pressure sensor 15 is fixed in the base 14 through screws, an oil pipe 20 is arranged in the base 14, the oil pipe 20 is respectively connected on the small cylinder body 8, the return rod cavity 4 and the oil tank 1, the oil pipe 20 is respectively provided with an oil drain valve 2, a check valve a5 and a check valve b9, the oil drain valve 2, the check valve a5 and the check valve b9 are all connected on the oil pipe 20 through flanges, the left end of the jack shell 19 is provided with an oil tank shell 18, the oil tank 1 is arranged in the oil tank shell 18, the oil tank 1 is fixed in the oil tank shell 18 through screws, the sound-absorbing plate 16 is made of glass fiber plates made of high-volume-weight glass wool compression, the left end and the right end of the large piston 10 are provided with round rollers, and the storage battery 13 is connected on the pressure.

The working principle is as follows: a hydraulic jack which is not afraid of scratch is characterized in that equipment is taken to a working place, a storage battery 13 is connected to a pressure sensor 15 and a display screen 12 through cables to ensure normal electrification, a piston rod 3 and a large piston 10 form a lifting cylinder, a lever handle 6, a small cylinder 8, a small piston 7, a one-way valve a5 and a one-way valve b9 form a manual hydraulic pump, the small piston 7 and the small cylinder 8 keep good matching relation and can realize reliable sealing, an oil pipe 20 inside a base 14 is connected with the small cylinder 8, the one-way valve a5, a one-way valve b9 and an oil drain valve 2, when the lever handle 6 is lifted, the small piston 7 moves downwards, the sealing volume of the lower cavity of the small piston 7 is increased to form local vacuum, the one-way valve b9 is opened, oil in an oil tank 1 is sucked into the small cylinder 8 through the oil pipe 20 under the action of large air pressure to finish one-time oil suction action, and when the lever handle 6, the small piston 7 moves downwards, the sealing volume of the lower cavity of the small piston is reduced, the oil pressure rises, the one-way valve b9 is closed, the one-way valve a5 is opened, oil enters the lower cavity of the lifting cylinder, the large piston 10 is driven to enable the piston rod 3 to rise for a certain distance, one-time oil pressing action is completed, the oil can be continuously pressed into the lifting cylinder when the lever handle 6 is repeatedly lifted and pressed, the piston rod 3 is enabled to continuously rise for the distance, the lifting purpose is achieved, the piston rod 3 is not in contact with the sealing gasket 17, the circular rollers at the two ends of the return rod cavity 4 effectively prevent the sealing gasket 17 from being scratched to cause oil leakage when the piston rod 3 is damaged and returned, the sound absorption plate 16 reduces the noise generated inside the hydraulic transmission, meanwhile, the oil enters the lifting cylinder, the pressure sensor 15 inside the base 14 effectively detects the pressure value of the oil, the display is convenient to display through the display screen 12, the oil tank shell 18 and the jack shell 19 effectively ensure the safety of the equipment operation.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a hydraulic jack that is not afraid of fish tail which characterized in that: the piston rod type cylinder piston is characterized by comprising a piston rod (3) and a small piston shell (11), wherein a small piston (7) is arranged inside the small piston shell (11), the small piston (7) is sleeved in the small piston shell (11) to form a small cylinder body (8), a lever handle (6) is arranged at the upper end of the small piston shell (11), the lever handle (6) is connected to the small piston (7) through the small piston shell (11) through a bolt, a display screen (12) is arranged on the surface of the outer end of the small piston shell (11), the display screen (12) is fixed on the small piston shell (11) through embedding, a storage battery (13) is arranged below the display screen (12), and the storage battery (13) is fixed on the small piston shell (11) through screws;

the jack is characterized in that a jack shell (19) is arranged at the left end of the small piston shell (11), a base (14) is arranged at the lower end of the jack shell (19), the base (14) is fixed below the jack shell (19) through screws, a rod returning cavity (4) is arranged above the bottom in the jack shell (19), a large piston (10) is arranged above the rod returning cavity (4), the large piston (10) is sleeved on the rod returning cavity (4), a piston rod (3) is arranged at the upper end of the large piston (10), the piston rod (3) is sleeved in the jack shell (19), sound absorbing plates (16) are arranged on two sides of the inner wall of the jack shell (19), the sound absorbing plates (16) are fixed in the jack shell (19) through glue, sealing gaskets (17) are arranged on the outer sides of the sound absorbing plates (16), and the sealing gaskets (17) are fixed on the sound absorbing plates (16), the lower end of the jack shell (19) is provided with a base (14), and the base (14) is fixed below the jack shell (19) in a welding and sealing manner;

base (14) inside pressure sensor (15) that is equipped with, pressure sensor (15) pass through the screw fixation in base (14), base (14) inside is equipped with oil pipe (20), oil pipe (20) are connected respectively on little cylinder body (8), return pole cavity (4) and oil tank (1), oil pipe (20) are equipped with fuel outlet valve (2), check valve an (5) and check valve b (9) respectively on, fuel outlet valve (2), check valve a (5) and check valve b (9) all through flange joint on oil pipe (20), jack shell (19) left end is equipped with oil tank shell (18), oil tank shell (18) inside is equipped with oil tank (1), oil tank (1) passes through the screw fixation in oil tank shell (18).

2. A scratch-resistant hydraulic jack as claimed in claim 1, wherein: the sound-absorbing plate (16) is a glass fiber plate made of high-volume-weight glass wool through compression.

3. A scratch-resistant hydraulic jack as claimed in claim 1, wherein: round rollers are arranged at the left end and the right end of the large piston (10).

4. A scratch-resistant hydraulic jack as claimed in claim 1, wherein: the storage battery (13) is connected to the pressure sensor (15) and the display screen (12) through cables.

5. A scratch-resistant hydraulic jack as claimed in claim 1, wherein: the pressure sensor (15) type: PT124-35Mpa, the display screen (12) model: CE4R-1540, model number of said acoustical panel (16): 4eNHDzkC, model number of the accumulator (13): CE 4R-1540.