CN214499619U

CN214499619U - Hydraulic cylinder convenient for disassembling and assembling piston rod

Info

Publication number: CN214499619U
Application number: CN202022733299.5U
Authority: CN
Inventors: 彭军
Original assignee: Yancheng Aohui Machinery Co ltd
Current assignee: Yancheng Aohui Machinery Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-10-26
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a hydraulic cylinder which belongs to the technical field of hydraulic cylinder, in particular to a hydraulic cylinder which is convenient for disassembling and assembling a piston rod, comprising a cylinder body and a piston rod, wherein the cylinder body comprises a left cylinder body and a right cylinder body, the right side of the front of the left cylinder body is connected with a first fixed block, the left side of the front of the right cylinder body is connected with a second fixed block, the right side wall of the first fixed block is connected with the left side wall of the second fixed block through a sealing gasket, a first screw groove is transversely arranged at the inner upper part and the lower part of the first fixed block, a second screw groove which is matched with the first screw groove is transversely arranged at the inner upper part and the lower part of the second fixed block, a bolt is screwed in the first screw groove and the second screw groove, the bolt passes through the first screw groove and the second screw groove to be screwed with a nut, the nut is positioned at the upper part and the lower part of the left side wall of the first fixed block, a cylinder head is arranged at the upper part of the cylinder body, the inner bottom of the piston rod of the utility model is provided with the screw groove, and the top of the piston plate is provided with the screw groove, the connecting ring is screwed in the screw groove, so that the structure is simple, and the piston rod is convenient to disassemble and assemble.

Description

Hydraulic cylinder convenient for disassembling and assembling piston rod

Technical Field

The utility model relates to a pneumatic cylinder technical field specifically is a pneumatic cylinder convenient to dismouting piston rod.

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 realize reciprocating motion, a speed reducer can be removed, and no transmission gap exists, the motion is stable, so that the reciprocating motion is widely applied to hydraulic systems of various machines, an important component in a hydraulic cylinder during a piston rod is designed into an integrated mode with a piston disc, the assembly and disassembly are inconvenient, the cylinder needs to be opened when the existing piston rod is assembled and disassembled, and the steps are complex and the assembly and disassembly are troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic cylinder convenient to dismouting piston rod to solve the inconvenient dismouting that proposes in the above-mentioned background art, the step is loaded down with trivial details, the trouble problem of dismouting.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic cylinder convenient for disassembling and assembling a piston rod comprises a cylinder body and a piston rod, wherein the cylinder body comprises a left cylinder body and a right cylinder body, a first fixed block is connected to the right side of the front of the left cylinder body, a second fixed block is connected to the left side of the front of the right cylinder body, the right side wall of the first fixed block is connected with the left side wall of the second fixed block through a sealing gasket, a first screw groove is transversely formed in the upper portion and the lower portion of the first fixed block, a second screw groove matched with the first screw groove is transversely formed in the upper portion and the lower portion of the second fixed block, a bolt is screwed in the first screw groove and the second screw groove and penetrates through the first screw groove and the second screw groove to be screwed with a nut, the nut is positioned above and below the left side wall of the first fixed block, a cylinder head is arranged above the cylinder body, a slot is longitudinally formed in the middle of the cylinder head, the piston rod is inserted into the slot, a piston disc is arranged below the cylinder body, a connecting ring is arranged in the middle of the top of the piston disc, the outer wall of the connecting ring is provided with threads, the bottom in the piston rod is longitudinally provided with a thread groove matched with the threads, and the connecting ring is screwed in the thread groove at the bottom in the piston rod.

Preferably, a first liquid inlet and a second liquid inlet are respectively arranged above and below the right side wall of the right cylinder body, and the first liquid inlet and the second liquid inlet are both communicated with the inside of the cylinder body.

Preferably, a first sealing groove is transversely formed in the middle of the outer wall of the piston disc, a first sealing ring is installed in the first sealing groove, and the outer wall of the first sealing ring is attached to the inner wall of the cylinder body.

Preferably, a dust-proof groove, a sealing groove II and a positioning groove are respectively and transversely formed in the movable groove I of the cylinder head from top to bottom, and a dust cover, a sealing ring II and a positioning ring are respectively arranged in the dust-proof groove, the sealing groove II and the positioning groove.

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

1) the utility model discloses the bottom is equipped with the thread groove in the piston rod, and piston dish top is equipped with the go-between, and the go-between spiro union is in the thread groove, simple structure, and the convenience is carried out the dismouting to the piston rod.

2) The utility model discloses left cylinder body passes through bolted connection with right cylinder body, when carrying out the dismouting to the piston rod, only need unscrew the bolt can separate left cylinder body and right cylinder body, and the step is simple, and the convenience is faster carries out the dismouting to the piston rod.

Drawings

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

FIG. 2 is a right side view of the cylinder body of the present invention;

fig. 3 is a schematic view of the piston rod structure of the present invention.

In the figure: 1 left cylinder body, 2 right cylinder body, 3 fixed block I, 4 fixed block II, 5 bolts, 6 nuts, 7 sealing gaskets, 8 liquid inlet I, 9 liquid inlet II, 10 piston rods, 11 cylinder heads, 12 dust covers, 13 sealing ring II, 14 positioning rings, 15 sealing ring I, 16 piston discs and 17 connecting rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope 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.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a hydraulic cylinder convenient for disassembling and assembling a piston rod comprises a cylinder body and a piston rod 10, wherein the cylinder body comprises a left cylinder body 1 and a right cylinder body 2, the right side of the front of the left cylinder body 1 is connected with a first fixed block 3, the left side of the front of the right cylinder body 2 is connected with a second fixed block 4, the right side wall of the first fixed block 3 is connected with the left side wall of the second fixed block 4 through a sealing gasket 7, the sealing gasket 7 plays a sealing role, a first spiral groove is transversely formed in the upper part and the lower part of the first fixed block 3, a second spiral groove matched with the first spiral groove is transversely formed in the upper part and the lower part of the second fixed block 4, a bolt 5 is screwed in the first spiral groove and the second spiral groove, the bolt 5 penetrates through the first spiral groove, the second spiral groove and a nut 6 in a screwed mode, the nut 6 is positioned above and below the left side wall of the first fixed block 3, when the piston rod 10 is disassembled and the piston rod 5 is required to be unscrewed, the left cylinder body 1 can be separated from the right cylinder body 2, convenient faster dismouting is carried out to piston rod 10, the upper portion is equipped with jar head 11 in the cylinder body, the slot has vertically been seted up at the middle part in jar head 11, piston rod 10 is inserted and is established in the slot, the below is equipped with piston disc 16 in the cylinder body, be equipped with go-between 17 in the middle of the 16 tops of piston disc, go-between 17 outer wall is equipped with the screw thread, the bottom vertically seted up in piston rod 10 with screw thread assorted thread groove, go-between 17 spiro union is equipped with piston disc 16 in the thread groove of bottom in piston rod 10, and clockwise turning piston rod 10 can make and get into the thread groove with go-between 17 spiro union, accomplishes being connected of piston rod 10 and piston disc 16, and anticlockwise turning piston rod 10 can make go-between 17 unscrew from the thread groove, can separate piston rod 10 and piston disc 16, accomplishes the dismantlement.

Wherein, a liquid inlet I8 and a liquid inlet II 9 are respectively arranged above and below the right side wall of the right cylinder body 2, and the liquid inlet I8 and the liquid inlet II 9 are both communicated with the inside of the cylinder body.

The middle part of the outer wall of the piston disc 16 is transversely provided with a first sealing groove, a first sealing ring 15 is installed in the first sealing groove, and the outer wall of the first sealing ring 15 is attached to the inner wall of the cylinder body.

Dust-proof groove, seal groove two, constant head tank have transversely been seted up respectively by last under to in the activity groove of jar head 11, install dust cover 12, sealing ring two 13, holding ring 14 in dust-proof groove, seal groove two, the constant head tank respectively, dust cover 12 prevents that the dust from getting into the cylinder body, and sealing ring two 13 can prevent that liquid from flowing out inside the cylinder body, and holding ring 14 can fix a position piston rod 10.

The working principle is as follows: clockwise turning piston rod 10 can make and get into the spiral shell groove with go-between 17 spiro union, accomplishes being connected of piston rod 10 and piston dish 16, and anticlockwise turning piston rod 10 can make go-between 17 unscrew from the spiral shell groove, can separate piston rod 10 and piston dish 16, accomplishes the dismantlement, when carrying out the dismouting to piston rod 10, only need unscrew bolt 5 can separate left cylinder body 1 and right cylinder body 2, and the convenient faster dismouting is carried out piston rod 10.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pneumatic cylinder convenient to dismouting piston rod, includes cylinder body and piston rod (10), its characterized in that: the cylinder body comprises a left cylinder body (1) and a right cylinder body (2), wherein a first fixed block (3) is connected to the right front side of the left cylinder body (1), a second fixed block (4) is connected to the left front side of the right cylinder body (2), the right side wall of the first fixed block (3) is connected with the left side wall of the second fixed block (4) through a sealing gasket (7), a first spiral groove is transversely formed in the upper portion and the lower portion of the first fixed block (3), a second spiral groove matched with the first spiral groove is transversely formed in the upper portion and the lower portion of the second fixed block (4), a bolt (5) is screwed in the first spiral groove and the second spiral groove, the bolt (5) penetrates through the first spiral groove, the second spiral groove and a nut (6) in a screwed mode, the nut (6) is located above and below the left side wall of the first fixed block (3), a cylinder head (11) is arranged above the cylinder body, and a slot is longitudinally formed in the middle of the cylinder head (11), the piston rod (10) is inserted into the slot, a piston disc (16) is arranged below the interior of the cylinder body, a connecting ring (17) is arranged in the middle of the top of the piston disc (16), threads are arranged on the outer wall of the connecting ring (17), a thread groove matched with the threads is longitudinally formed in the bottom of the piston rod (10), and the connecting ring (17) is in threaded connection with the thread groove in the bottom of the piston rod (10).

2. The hydraulic cylinder with the piston rod convenient to disassemble and assemble as claimed in claim 1, wherein: a liquid inlet I (8) and a liquid inlet II (9) are respectively arranged above and below the right side wall of the right cylinder body (2), and the liquid inlet I (8) and the liquid inlet II (9) are communicated with the inside of the cylinder body.

3. The hydraulic cylinder with the piston rod convenient to disassemble and assemble as claimed in claim 1, wherein: piston dish (16) outer wall middle part has transversely seted up seal groove one, install sealing ring (15) in the seal groove one, the outer wall and the cylinder body inner wall laminating of sealing ring (15).

4. The hydraulic cylinder with the piston rod convenient to disassemble and assemble as claimed in claim 1, wherein: a dust-proof groove, a sealing groove II and a positioning groove are respectively and transversely formed in the movable groove I of the cylinder head (11) from top to bottom, and a dust cover (12), a sealing ring II (13) and a positioning ring (14) are respectively arranged in the dust-proof groove, the sealing groove II and the positioning groove.