CN217201838U - Hydraulic jack - Google Patents

Abstract

The utility model discloses a hydraulic jack, which comprises a jack body, a pressure pipe, a top plate, a bottom fixing mechanism and an outer cover mechanism, the bottom fixing mechanism consists of an extension disc, a hoop, a tray, a fixed hole and a fixed pile, the bottom end of the jack body below the pressurizing pipe is fixedly connected with the extension disc, an extension disc with a bottom fixing mechanism is arranged below the jack body below the pressure pipe, when the jack body is used on the surface of a soil layer, the tray can be placed on the ground, then the extension disc below the jack body is downwards embedded into the annular hole of the hoop, at the moment, the tray is pushed into the lower gap of the object to be jacked, then the top disk above the jack body is contacted with an object, and at the moment, the top disk is nailed into the soil layer from the fixed hole on the surface of the tray by using the fixed pile, make to have extra fixed knot to construct between the bottom of jack body and the soil layer, and then make the jack body can be stable use on the soil layer surface with the help of end solid mechanism.

Description

Hydraulic jack

Technical Field

The utility model relates to a hydraulic equipment technical field, in particular to hydraulic jack.

Background

The hydraulic jack is a jack which adopts a plunger or a hydraulic cylinder as a rigid jacking piece. The self-locking device has the characteristics of compact structure, stable work, large jacking force, self-locking and the like. The hydraulic jack has strong jacking capacity, the jacking force of the heavy hydraulic jack exceeds 100t, and the universal hydraulic jack is suitable for various hoisting operations with small hoisting height. It is composed of oil chamber, oil pump, oil storage chamber, piston, crank and oil valve. When the manual oil pump works, the crank handle is pulled back and forth to enable the manual oil pump to continuously press oil into the oil cylinder, and the piston and the weight on the piston are forced to move upwards together due to continuous increase of the oil pressure in the oil cylinder. And opening the oil return valve, so that the high-pressure oil in the oil cylinder flows back to the oil storage cavity, and the heavy object and the piston fall together.

A hydraulic jack of patent number CN202020747145.9 belongs to hydraulic equipment technical field. The plunger solves the problem that the peripheral surface of the existing plunger and the hole wall of the cylinder body are abraded by friction. The hydraulic jack comprises a hydraulic cylinder and a plunger, wherein the hydraulic cylinder is provided with a plunger hole, the plunger is arranged in the plunger hole in a sliding manner, the hole wall of the plunger hole is provided with a dustproof ring mounting groove, a sealing ring mounting groove and two wear-resistant ring mounting grooves, the sealing ring mounting groove is positioned between the two wear-resistant ring mounting grooves, and the dustproof ring mounting groove is positioned above the two wear-resistant ring mounting grooves; each wear-resisting ring mounting groove is internally provided with a wear-resisting ring which is sleeved on the plunger, the sealing ring mounting groove is internally provided with a sealing ring which is sleeved on the plunger, and the dust-proof ring mounting groove is internally provided with a dust-proof ring which is sleeved on the plunger. The structure solves the problem that the peripheral surface of the plunger piston and the hole wall of the cylinder body are abraded by friction.

1. The hydraulic jack in the prior art is connected with a pressurizing pipe through a manual body to perform pressurizing operation during working, a jacking disc of the hydraulic jack can be ejected upwards after pressurization, when the hydraulic jack is used on earth ground, the bottom of the hydraulic jack is small in size, the contact surface between the hydraulic jack and the ground is small, stability is poor, and therefore the bottom of the hydraulic jack is lack of a good bottom fixing mechanism.

2. The hydraulic jack in the prior art performs pressurization operation through connection of the manual body and the pressurization pipe during working, a jacking disc of the hydraulic jack can be ejected upwards after pressurization, dust is easily attached to a rod body below the jacking disc and a telescopic rod between the hydraulic jack or the hydraulic jack is contacted by liquid carried by people after the jacking disc of the hydraulic jack is ejected, and the jacking disc of the hydraulic jack is short of a better outer cover mechanism.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a hydraulic jack, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hydraulic jack, includes jack body, forcing pipe and top dish, still includes end solid mechanism and dustcoat mechanism, end solid mechanism comprises extension dish, hoop, tray, decide hole and pile fixing, jack body bottom fixedly connected with extension dish of forcing pipe below, and the outside of extension dish has cup jointed the hoop, hoop welded fastening is in the top middle part of tray, and the tray surface in the hoop outside has seted up the fixed hole, the internal nail in hole of fixed hole has put into the pile fixing, install dustcoat mechanism between top dish and the jack body, and dustcoat mechanism comprises snap ring A, snap ring B, anchorage bar and elastic rubber sleeve.

Furtherly, snap ring A has been cup jointed to the outer wall department of top dish, the screw thread has cup jointed the fastening bolt between the outer wall of snap ring A and top dish soon, snap ring B has been cup jointed in the outside of jack body, and the screw thread has cup jointed the fastening bolt between snap ring B and the jack body soon, fixedly connected with elastic rubber sleeve between snap ring A and snap ring B's the ring body.

Furthermore, a pressurizing pipe extends out of the outer wall of the jack body, and a top disc is installed at the top end of the jack body.

Furthermore, the size of the sleeve body of the elastic rubber sleeve is larger than that of the cylinder body of the jack body, and the elastic rubber sleeve is made of elastic rubber; the elastic rubber sleeve made of elastic rubber has good elasticity and can elastically deform, and the larger elastic rubber sleeve can be better sleeved outside the jack body.

Further, the size of the disc body of the extension disc is the same as that of the annular hole of the hoop; the extension disc and the annular hole of the hoop can be in good vertical fit engagement.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a jack body below at the forcing pipe is provided with the extension dish of end solid mechanism below, when the jack body used on the soil layer surface, can put the tray subaerial, then in embedding the annular ring with the extension dish of jack body below downwards, push the below clearance department of treating the jack-up object with the tray this moment, then make the top dish and the object contact of jack body top, use the pile fixing this moment from the fixed orifices nail on tray surface in the soil layer, make to have extra fixed knot to construct between the bottom of jack body and the soil layer, and then make the jack body can be stable use on the soil layer surface with the help of end solid mechanism.

2. The utility model discloses a be provided with dustcoat mechanism between jack-up dish and jack body, the outside of jack-up dish is cup jointed and is used the gim peg to fix after snap ring A, then snap ring A below elastic rubber sleeve department has snap ring B can block in the cylinder body outside of jack-up body, then reuse the gim peg to locking between jack-up body and the snap ring B, make the telescopic link push away the jack-up dish when jack-up body pressurization and upwards jack-up, the elastic rubber sleeve is elongated cover telescopic link and jack-up body department in the jack-up dish below, can prevent effectively that the telescopic link department between jack-up body and the jack-up dish from being infected with external dust or liquid.

Drawings

Fig. 1 is the overall structure schematic diagram of the hydraulic jack of the present invention.

Fig. 2 is an exploded view of the bottom fixing mechanism of the hydraulic jack of the present invention.

Fig. 3 is a schematic view of the structure of the outer cover mechanism of the hydraulic jack of the present invention.

In the figure: 1. a jack body; 2. a pressurizing pipe; 3. a top tray; 4. a bottom fixing mechanism; 401. an extension tray; 402. a hoop; 403. a tray; 404. hole fixing; 405. pile fixing; 5. a housing mechanism; 501. a snap ring A; 502. a snap ring B; 503. fastening bolts; 504. an elastic rubber sleeve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a hydraulic jack includes a jack body 1, a pressure pipe 2, a top plate 3, a bottom fixing mechanism 4 and an outer cover mechanism 5, where the bottom fixing mechanism 4 includes an extension plate 401, a hoop 402, a tray 403, a fixing hole 404 and a fixing pile 405, the bottom end of the jack body 1 below the pressure pipe 2 is fixedly connected with the extension plate 401, the hoop 402 is sleeved outside the extension plate 401, the hoop 402 is welded and fixed to the middle of the top end of the tray 403, the fixing hole 404 is formed in the surface of the tray 403 outside the hoop 402, the fixing pile 405 is nailed into the hole body of the fixing hole 404, the outer cover mechanism 5 is installed between the top plate 3 and the jack body 1, and the outer cover mechanism 5 includes a clasp a501, a clasp B502, a fastening bolt 503 and an elastic rubber sleeve 504.

Wherein, the outer wall department of paring disc 3 has cup jointed snap ring A501, the screw thread has connect fastening bolt 503 soon between the outer wall of snap ring A501 and paring disc 3, snap ring B502 has been cup jointed in the outside of jack body 1, and the screw thread has connect fastening bolt 503 soon between snap ring B502 and the jack body 1, fixedly connected with elastic rubber sleeve 504 between the ring body of snap ring A501 and snap ring B502.

Wherein, the outer wall department of jack body 1 stretches out and has add the pressure tube 2, and the top of jack body 1 installs the top dish 3.

The size of the elastic rubber sleeve 504 is larger than the size of the cylinder body of the jack body 1, and the elastic rubber sleeve 504 is made of elastic rubber; the elastic rubber sleeve 504 made of elastic rubber has better elasticity and can elastically deform, and the larger elastic rubber sleeve 504 can be better sleeved on the outer side of the jack body 1.

Wherein the disc body size of the extension disc 401 is the same as the ring hole size of the hoop 402; the extension disc 401 and the ring hole of the hoop 402 can be in good vertical fit engagement.

It should be noted that, the utility model relates to a hydraulic jack, an extension disc 401 of a bottom fixing mechanism 4 is arranged below a jack body 1 below a pressure pipe 2, when the jack body 1 is used on the surface of the soil layer, a tray 403 can be placed on the ground, then the extension disc 401 below the jack body 1 is downwards embedded into a ring hole of a hoop 402, at this time, the tray 403 is pushed into a lower gap of an object to be jacked, then a top disc 3 above the jack body 1 is contacted with the object, at this time, a fixing pile 405 is driven into the soil layer from the fixing hole 404 on the surface of the tray 403, so that an additional fixing structure is arranged between the bottom end of the jack body 1 and the soil layer, the jack body 1 can be stably used on the surface of the soil layer by the bottom fixing mechanism 4, an outer cover mechanism 5 is arranged between the top disc 3 and the jack body 1, an outer side snap ring A501 of the top disc 3 is fixed by a fastening bolt 503, then snap ring A501 below elasticity gum cover 504 department has snap ring B502 can block in the cylinder body outside of jack body 1, then reuse fastening bolt 503 to lock between jack body 1 and the snap ring B502, when jack body 1 pressurization makes the telescopic link push up the dish 3 upwards, elasticity gum cover 504 is elongated cover telescopic link and jack body 1 department below the dish 3, can prevent effectively that the telescopic link department between jack body 1 and the dish 3 from being infected with external dust or liquid.

The utility model relates to a hydraulic jack, which comprises a jack body 1; 2. a pressurizing pipe; 3. a top tray; 4. a bottom fixing mechanism; 401. an extension tray; 402. a hoop; 403. a tray; 404. hole fixing; 405. pile fixing; 5. a housing mechanism; 501. a snap ring A; 502. a snap ring B; 503. fastening bolts; 504. the elastic rubber sleeve and the components are all universal standard parts or components known by the technicians in the field, and the structure and the principle of the elastic rubber sleeve are known by the technicians in technical manuals or by routine experimental methods.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a hydraulic jack, includes jack body (1), pressurization pipe (2) and head plate (3), its characterized in that: still include end solid fixed establishment (4) and dustcoat mechanism (5), end solid fixed establishment (4) comprises extension dish (401), hoop (402), tray (403), decide hole (404) and spud (405), jack body (1) bottom fixedly connected with of pressurization pipe (2) below extends dish (401), and has cup jointed hoop (402) in the outside of extending dish (401), hoop (402) welded fastening is in the top middle part of tray (403), and the tray (403) surface in the hoop (402) outside has seted up and has decided hole (404), the internal nail of hole of deciding hole (404) has decided pile (405), install dustcoat mechanism (5) between top dish (3) and jack body (1), and dustcoat mechanism (5) comprise snap ring A (501), snap ring B (502), fastening bolt (503) and elastic rubber sleeve (504).

2. A hydraulic jack as claimed in claim 1 in which: snap ring A (501) has been cup jointed in the outer wall department of paring disc (3), screw thread has connect fastening bolt (503) soon between the outer wall of snap ring A (501) and paring disc (3), snap ring B (502) has been cup jointed in the outside of jack body (1), and screw thread has connect fastening bolt (503) soon between snap ring B (502) and jack body (1), fixedly connected with elastic rubber sleeve (504) between the ring body of snap ring A (501) and snap ring B (502).

3. A hydraulic jack as claimed in claim 1 wherein: the outer wall of the jack body (1) extends out of the pressurizing pipe (2), and the top end of the jack body (1) is provided with the jacking disc (3).

4. A hydraulic jack as claimed in claim 1 wherein: the size of the elastic rubber sleeve (504) is larger than that of the cylinder body of the jack body (1), and the elastic rubber sleeve (504) is made of elastic rubber.

5. A hydraulic jack as claimed in claim 1 wherein: the size of the extension disc (401) is the same as that of the ring hole of the hoop (402).

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