CN217555693U

CN217555693U - Hydraulic jack with replaceable inner cavity

Info

Publication number: CN217555693U
Application number: CN202221595404.6U
Authority: CN
Inventors: 倪国强; 朱仙裕; 杨尽万
Original assignee: HANGZHOU LANHAN MACHINERY CO LTD
Current assignee: HANGZHOU LANHAN MACHINERY CO LTD
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-11
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to a jack especially relates to a hydraulic jack of removable inner chamber. The utility model provides a can overcome the inner chamber of being convenient for change hydraulic jack of prior art shortcoming, and can not influence the hydraulic jack of the removable inner chamber of hydraulic jack inner chamber leakproofness. The utility model provides a hydraulic jack of removable inner chamber, is including body mount pad, oil pocket shell, first connecting ring and connecting cylinder etc. the top of body mount pad is connected with the oil pocket shell, and the interior bottom of oil pocket shell is connected with first connecting ring, and it has the gomphosis groove to open on the first connecting ring, and the top fixedly connected with connecting cylinder of first connecting ring. The staff unloads fastening bolt from the oil pocket shell through the screw to can make inner chamber and piston rod take off and change, under the effect through sealed the pad, can play sealed effect to the inner chamber of changing hydraulic jack, avoid hydraulic oil to ooze.

Description

Hydraulic jack with replaceable inner cavity

Technical Field

The utility model relates to a jack especially relates to a hydraulic jack of removable inner chamber.

Background

The hydraulic jack is also called oil jack, it is a jack using plunger or hydraulic cylinder as rigid jacking piece, the simple hoisting equipment is only equipped with hoisting mechanism for hoisting heavy object, it has the characters of simple structure, light weight and easy to carry. The inconvenience of changing the inner chamber of hydraulic jack among the prior art is very changed, just can change the inner chamber of hydraulic jack, but can influence the leakproofness of the inner chamber of hydraulic jack, leads to giving hydraulic oil easily when changing the inner chamber of pressing the jack and oozes.

According to the defects existing in the prior art, the hydraulic jack with the replaceable inner cavity, which can overcome the defects of the prior art and is convenient to replace, and the tightness of the inner cavity of the hydraulic jack is not affected, needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome and change inconvenience very, influence the leakproofness of hydraulic jack's inner chamber, lead to giving the shortcoming of oozing hydraulic oil easily when changing the inner chamber of pressing the jack, the to-be-solved technical problem of the utility model is to provide an inner chamber of being convenient for change hydraulic jack that can overcome prior art shortcoming, and can not influence the hydraulic jack of the removable inner chamber of hydraulic jack inner chamber leakproofness.

In order to solve the technical problem, the utility model provides a such hydraulic jack of removable inner chamber, including the body mount pad, the oil pocket shell, first connecting ring, the connecting cylinder, the second go-between, fastening bolt, the piston rod, inner chamber and sealing ring, the top of body mount pad is connected with the oil pocket shell, the interior bottom of oil pocket shell is connected with first connecting ring, it has the gomphosis groove to open on the first connecting ring, the top fixedly connected with connecting cylinder of first connecting ring, the inside slidingtype of connecting cylinder is connected with the inner chamber, the bottom of inner chamber is connected with the sealing ring, sealing ring embedding gomphosis inslot, the top of inner chamber is connected with the second go-between, the second go-between passes through bolted connection at oil pocket shell top with fastening bolt, the inside slidingtype of inner chamber is connected with the piston rod.

Preferably, the oil cavity sealing device further comprises a connecting frame, a conical cylinder and a rubber ring, the upper portion of the oil cavity shell is connected with the connecting frame through a bolt, the upper portion of the connecting frame is connected with the conical cylinder, the top of the conical cylinder is connected with the rubber ring, and the rubber ring slides on the piston rod.

Preferably, the piston rod further comprises a contact cylinder, and the top of the piston rod is magnetically connected with the contact cylinder.

Preferably, a sealing gasket is further included, and a sealing gasket for sealing liquid is connected to the bottom of the second connecting ring.

Preferably, the bottom of the piston rod is rounded.

Preferably, the outer wall surface of the inner cavity is smooth.

The utility model discloses on the basis of overcoming prior art shortcoming, the beneficial effect that can also reach has:

1. the staff unloads fastening bolt from the oil pocket shell through the screw to can make inner chamber and piston rod take off and change, under the effect through sealed the pad, can play sealed effect to the inner chamber of changing hydraulic jack, avoid hydraulic oil to ooze.

2. In the staff will change piston rod and inner chamber reinsert the connecting cylinder, through under the effect at the rubber ring, can block debris such as dust on the piston rod on the rubber ring, make debris such as less dust enter into the inner chamber, avoid causing the damage to the inner chamber inside.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded view of some parts of the present invention.

Fig. 3 is an exploded view of some parts of the present invention.

Fig. 4 is a schematic perspective view of the blocking assembly of the present invention.

Fig. 5 is a schematic view of a three-dimensional structure of the driving assembly of the present invention.

The symbols in the drawings are: the oil cavity sealing structure comprises a body mounting base 1, an oil cavity shell 2, a first connecting ring 3, a connecting cylinder 5, a second connecting ring 6, a fastening bolt 7, a piston rod 8, a sealing gasket 9, an inner cavity 10, an embedded groove 11, a sealing ring 12, a connecting frame 13, a conical cylinder 14, a rubber ring 15 and a contact cylinder 16.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Example 1

A hydraulic jack with a replaceable inner cavity is disclosed, as shown in figures 1-4, and comprises a body mounting base 1, an oil cavity shell 2, a first connecting ring 3, a connecting cylinder 5, a second connecting ring 6, a fastening bolt 7, a piston rod 8, an inner cavity 10 and a sealing ring 12, wherein the oil cavity shell 2 is welded at the top of the body mounting base 1, the inner bottom of the oil cavity shell 2 is connected with the first connecting ring 3, an embedded groove 11 is formed in the first connecting ring 3, the connecting cylinder 5 is welded at the top of the first connecting ring 3, the inner cavity 10 is connected to the connecting cylinder 5 in a sliding manner, the bottom of the piston rod 8 is provided with a round angle, the piston rod 8 can be inserted into the inner cavity 10 more easily, the bottom of the inner cavity 10 is connected with the sealing ring 12, the sealing ring 12 is embedded into the embedded groove 11, the second connecting ring 6 is welded at the top of the inner cavity 10, the outer wall surface of the inner cavity 10 is smooth, a worker can conveniently place and take the inner cavity 10 into and take the inner cavity 10 from the connecting cylinder 5, the second connecting ring 6 and the fastening bolt 7 are connected to the top of the shell 2 through bolts, and the inner cavity 10 is connected with the piston rod 8.

As shown in fig. 2, a sealing gasket 9 is further included, and the bottom of the second connecting ring 6 is connected with the sealing gasket 9 for sealing liquid, and the sealing gasket 9 can prevent hydraulic oil from seeping out.

As shown in fig. 1, the piston rod pulling device further comprises a contact cylinder 16, the top of the piston rod 8 is magnetically connected with the contact cylinder 16, so that the contact area can be increased, and a worker can pull out the piston rod 8 conveniently.

When the worker will change the inner cavity 10 of jack, the worker prepares a new inner cavity 10 and piston rod 8 of hydraulic jack earlier, the worker twists down fastening bolt 7, fastening bolt 7 will drive second go-between 6, sealed pad 9 and inner cavity 10 upwards take out, inner cavity 10 rebound can drive piston rod 8 and contact cylinder 16 upwards shift out, then the worker puts hydraulic jack inner cavity 10 and piston rod 8 prepared in advance into connecting cylinder 5, then pass through the screw fixation with fastening bolt 7 on oil pocket shell 2, through embedding gomphosis inslot 11 with sealing ring 12, thereby can play fine sealed effect to the inside of inner cavity 10, thereby can change hydraulic jack's inner cavity 10 and piston rod 8 through above-mentioned operation.

Example 2

On the basis of the embodiment 1, as shown in fig. 1 and 5, the oil chamber housing further comprises a connecting frame 13, a conical cylinder 14 and a rubber ring 15, the connecting frame 13 is connected to the upper portion of the oil chamber housing 2 through a bolt, the conical cylinder 14 is welded to the upper portion of the connecting frame 13, the rubber ring 15 is connected to the top of the conical cylinder 14, and the rubber ring 15 slides on the piston rod 8.

The staff unloads link 13 from oil pocket shell 2 through the bolt earlier, then turn down fastening bolt 7, fastening bolt 7 then can drive second go-between 6, sealed pad 9 and inner chamber 10 take out, the staff takes out inner chamber 10 upwards afterwards, inner chamber 10 moves up and can drive piston rod 8 upwards to shift out, piston rod 8 keeps away from inside inner chamber 10, then the staff puts into connecting cylinder 5 with new inner chamber 10, then pass through threaded connection fastening bolt 7 in oil pocket shell 2, insert new piston rod 8 from rubber ring 15 to the inner chamber 10 that has changed in, the staff moves piston rod 8 along rubber ring 15 downwards, thereby make dust etc. on the piston rod 8 block on rubber ring 15, with this debris such as the dust that can avoid more enter into inner chamber 10, thereby reduce the damage to the inner chamber 10 inside.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a hydraulic jack of removable inner chamber, a serial communication port, including body mount pad (1), oil pocket shell (2), first connecting ring (3), connecting cylinder (5), second connecting ring (6), fastening bolt (7), piston rod (8), inner chamber (10) and sealing ring (12), the top of body mount pad (1) is connected with oil pocket shell (2), the interior bottom of oil pocket shell (2) is connected with first connecting ring (3), it has gomphosis groove (11) to open on first connecting ring (3), the top fixedly connected with connecting cylinder (5) of first connecting ring (3), the internal sliding formula of connecting cylinder (5) is connected with inner chamber (10), the bottom of inner chamber (10) is connected with sealing ring (12), sealing ring (12) imbed in gomphosis groove (11), the top of inner chamber (10) is connected with second connecting ring (6), second connecting ring (6) pass through bolted connection at oil pocket shell (2) top with fastening bolt (7), the internal sliding formula of inner chamber (10) has piston rod (8).

2. The hydraulic jack with the replaceable inner cavity as claimed in claim 1, further comprising a connecting frame (13), a conical cylinder (14) and a rubber ring (15), wherein the connecting frame (13) is connected to the upper portion of the oil cavity housing (2) through a bolt, the conical cylinder (14) is connected to the upper portion of the connecting frame (13), the rubber ring (15) is connected to the top of the conical cylinder (14), and the rubber ring (15) slides on the piston rod (8).

3. A hydraulic jack with replaceable internal cavity according to claim 2, characterised in that it further comprises a contact cylinder (16), the contact cylinder (16) being magnetically connected to the top of the piston rod (8).

4. A hydraulic jack with replaceable inner cavity according to claim 3, characterized in that it further comprises a sealing gasket (9), and the bottom of the second connecting ring (6) is connected with the sealing gasket (9) for sealing liquid.

5. A hydraulic jack with replaceable internal cavity, according to claim 4, characterized in that the bottom of the piston rod (8) is rounded.

6. A hydraulic jack with replaceable internal cavity, as claimed in claim 5, characterised in that the external wall of the internal cavity (10) is smooth.