Hydraulic oil cylinder with dustproof structure

Abstract

The utility model relates to the technical field of hydraulic oil cylinders, and discloses a hydraulic oil cylinder with a dustproof structure, which comprises a hydraulic oil cylinder main body, the hydraulic oil cylinder main body comprises a piston rod, the top end of the piston rod is fixedly connected with a connector, the outer side of the piston rod is fixedly provided with a fixing plate, and the bottom of the fixing plate is connected with a rubber plate. A plurality of rubber plugs are fixedly arranged at the top of the rubber plate and penetrate through the fixing plate, a corrugated pipe is fixedly connected to the bottom of the rubber plate and arranged on the outer side of the piston rod in a sleeving mode, and a connecting plate is fixedly connected to the bottom of the corrugated pipe. A rubber plate is arranged at the top of the corrugated pipe and located at the bottom of the fixing plate, and a plurality of rubber plugs at the top of the rubber plate penetrate through the fixing plate, so that the corrugated pipe is mounted and limited, dust is prevented through the corrugated pipe, and dust is prevented from entering the hydraulic oil cylinder body to affect use.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder technical field, concretely is a hydraulic cylinder with dustproof structure. BACKGROUND

[0002] Hydraulic cylinder is the hydraulic energy conversion mechanical energy hydraulic executing element, is mainly used for realizing linear reciprocating motion or swing motion, its structure is simple, reliable work, is widely used in various mechanical equipment, hydraulic cylinder utilizes the pressure work of liquid, when liquid is transported to the oil cylinder, the piston is pushed out by the pressure of liquid, liquid enters the oil cylinder from the import, increases the pressure of liquid in the oil cylinder, when the pressure reaches a certain degree, the piston is pushed out by the thrust of liquid, and the piston returns to the initial position when the liquid flows out of the oil cylinder, and the currently used hydraulic cylinder on the market is relatively simple in structure, dust is easy to enter the inside of the hydraulic cylinder during use and affect the service life, therefore, a hydraulic cylinder with dustproof structure is provided. SUMMARY

[0003] The utility model discloses a hydraulic cylinder with dustproof structure, to solve the problem that the currently used hydraulic cylinder on the market is relatively simple in structure, dust is easy to enter the inside of the hydraulic cylinder during use and affect the service life in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a hydraulic cylinder with dustproof structure, including hydraulic cylinder main part, the hydraulic cylinder main part includes piston rod, the top of piston rod is fixedly connected with connector, the outside of piston rod is fixedly provided with fixed plate, the bottom of fixed plate is connected with rubber plate, the top of rubber plate is fixedly provided with a plurality of rubber plug and rubber plug penetrates fixed plate, the bottom of rubber plate is fixedly connected with bellow and bellow is covered in the outside of piston rod, the bottom of bellow is fixedly connected with connecting plate, the inside of connecting plate is provided with connecting structure, connecting structure is fixedly connected with hydraulic cylinder main part.

[0005] As preferred, the connecting structure includes a plug-in plate, the plug-in plate is fixedly installed in the inside of the connecting plate, a plurality of limiting protruding blocks are fixedly arranged on the outside of the connecting plate, an annular sleeve plate is arranged on the bottom of the connecting plate, the annular sleeve plate is fixedly connected with the outside of the hydraulic cylinder main part, a plurality of elastic plates are fixedly arranged on the outside of the annular sleeve plate, one end of the plurality of elastic plates is buckled with the limiting protruding blocks, an annular buckle plate is fixedly arranged on the inner wall of the annular sleeve plate, and the annular buckle plate is buckled on the outside of the plug-in plate.

[0006] As preferred, a connecting hole is formed in the inside of the fixed plate, and the rubber plug penetrates the connecting hole.

[0007] Preferably, one end of the elastic plate is internally provided with a limiting hole, and the limiting protruding block is inserted into the limiting hole.

[0008] Preferably, the outer side of the plug-in plate is provided with an annular groove, and the annular buckle plate is buckled with the annular groove through interference fit.

[0009] Preferably, the top of the rubber plug is processed into an arc shape.

[0010] Compared with the prior art, the above technical scheme has the following technical effects:

[0011] The utility model discloses a rubber plug, corrugated pipe and connecting plate are set up, when using, the corrugated pipe is covered in the outer side of piston rod, and the multiple rubber plugs of rubber plate top are fixedly arranged through fixed plate, thereby installing and limiting the corrugated pipe, and the corrugated pipe bottom is fixedly provided with the connecting plate, and the inside of connecting plate is fixedly provided with the plug-in plate, and the annular buckle plate in annular sleeve plate is buckled on the outside of plug-in plate, conveniently disassembles and installs the corrugated pipe, and dust is prevented through the corrugated pipe, avoids the dust into the hydraulic oil cylinder main part, and influences use. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0013] Figure 1 It is the side view structure schematic diagram of the utility model;

[0014] Figure 2 It is the sectional view structure schematic diagram of the utility model;

[0015] Figure 3 It is the connecting structure schematic diagram of the utility model;

[0016] Figure 4 It is the Figure 2 Enlarged structure schematic diagram of A.

[0017] Explanation of reference numerals: 1, hydraulic oil cylinder main part;2, piston rod;3, connecting head;4, fixed plate;5, rubber plate;6, rubber plug;7, corrugated pipe;8, connecting plate;9, plug-in plate;10, limiting protruding block;11, annular sleeve plate;12, elastic plate;13, annular buckle plate. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0019] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the specification are only used to cooperate with the disclosed content of the specification, to be understood and read by those skilled in the art, and do not define the limiting conditions for the implementation of the present application, and therefore do not have substantial technical significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the disclosed technical content.

[0020] Embodiment

[0021] In the prior art, the hydraulic cylinder structure used in the market at present is relatively simple, and dust is easy to enter the interior of the hydraulic cylinder during use, thereby affecting the service life.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a hydraulic cylinder with dustproof structure, including hydraulic cylinder main body 1, hydraulic cylinder main body 1 includes piston rod 2, the top end of piston rod 2 is fixedly connected with connector 3, the outside of piston rod 2 is fixedly provided with fixed plate 4, the bottom of fixed plate 4 is connected with rubber plate 5, the top of rubber plate 5 is fixedly provided with multiple rubber plugs 6 and rubber plug 6 penetrates fixed plate 4, the bottom of rubber plate 5 is fixedly connected with bellow 7 and bellow 7 is sleeved on the outside of piston rod 2, the bottom of bellow 7 is fixedly connected with connecting plate 8, connecting plate 8 is provided with connecting structure in the inside, connecting structure is fixedly connected with hydraulic cylinder main body 1, when using, bellow 7 is covered on the outside of piston rod 2, bellow 7 top is provided with rubber plate 5 and rubber plate 5 is at the bottom of fixed plate 4, and multiple rubber plugs 6 on the top of rubber plate 5 penetrate fixed plate 4, so as to install and limit bellow 7, dust is prevented by bellow 7, avoid dust entering the interior of hydraulic cylinder main body 1, affect use.

[0023] The connecting structure comprises a plug-in plate 9 fixedly installed inside the connecting plate 8, a plurality of limiting protruding blocks 10 fixedly arranged on the outer side of the connecting plate 8, an annular sleeve plate 11 arranged on the bottom of the connecting plate 8 and fixedly connected with the outer side of the hydraulic oil cylinder body 1, a plurality of elastic plates 12 fixedly arranged on the outer side of the annular sleeve plate 11, one end of the plurality of elastic plates 12 buckled with the limiting protruding blocks 10, an annular buckle plate 13 fixedly arranged on the inner wall of the annular sleeve plate 11 and buckled on the outer side of the plug-in plate 9, and the connecting plate 8 is connected with the top of the annular sleeve plate 11 when the corrugated pipe 7 is installed, the elastic plates 12 on the outer side of the annular sleeve plate 11 are buckled with the limiting protruding blocks 10 on the outer side of the connecting plate 8, the plug-in plate 9 is plugged into the inside of the annular sleeve plate 11, the annular buckle plate 13 in the inside of the annular sleeve plate 11 is buckled on the outer side of the plug-in plate 9, so that the connecting plate 8 is limited and fixed, and the corrugated pipe 7 is conveniently disassembled and assembled.

[0024] The connecting hole is arranged in the inside of the fixed plate 4, the rubber plug 6 penetrates through the connecting hole, and the fixed plate 4 is connected with the rubber plate 5 through the rubber plug 6.

[0025] The limiting hole is arranged in one end of the elastic plate 12, the limiting protruding block 10 is inserted into the inside of the limiting hole, the connecting plate 8 is connected with the annular sleeve plate 11 through the buckling of the elastic plate 12 and the limiting protruding block 10.

[0026] The annular groove is arranged on the outer side of the plug-in plate 9, the annular buckle plate 13 is buckled with the annular groove through interference fit, and the connecting plate 8 is limited through the buckling of the plug-in plate 9 and the annular buckle plate 13.

[0027] The top of the rubber plug 6 is processed into an arc shape, so that the rubber plug 6 penetrates through the fixed plate 4.

[0028] The model of the hydraulic oil cylinder body 1 in the application is HCYY, and the structure and operation principle thereof are prior art, so the structure and operation principle thereof are not described herein

[0029] The working principle or structural principle is as follows: During use, the bellows 7 is placed over the outside of the piston rod 2. A rubber plate 5 is provided at the top of the bellows 7 and is located at the bottom of the fixed plate 4. Multiple rubber plugs 6 at the top of the rubber plate 5 penetrate the fixed plate 4, thereby limiting the installation of the bellows 7. At the same time, a connecting plate 8 is fixedly provided at the bottom of the bellows 7, and a plug-in plate 9 is fixedly provided inside the connecting plate 8. The connecting plate 8 is connected to the top of the annular sleeve 11. The elastic plate 12 on the outside of the annular sleeve 11 will engage with the limiting protrusion 10 on the outside of the connecting plate 8. Meanwhile, the plug-in plate 9 is inserted into the inside of the annular sleeve 11, and the annular buckle plate 13 inside the annular sleeve 11 is fastened to the outside of the plug-in plate 9, thereby limiting and fixing the connecting plate 8, facilitating the disassembly and assembly of the bellows 7. The bellows 7 also provides dust protection, preventing dust from entering the hydraulic cylinder body 1 and affecting its use.

[0030] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

Claims

1. A hydraulic cylinder with a dustproof structure, comprising a hydraulic cylinder body (1), wherein the hydraulic cylinder body (1) includes a piston rod (2), and a connector (3) is fixedly connected to the top end of the piston rod (2), characterized in that: A fixing plate (4) is fixedly installed on the outside of the piston rod (2). A rubber plate (5) is connected to the bottom of the fixing plate (4). Multiple rubber plugs (6) are fixedly installed on the top of the rubber plate (5) and the rubber plugs (6) penetrate the fixing plate (4). A bellows (7) is fixedly connected to the bottom of the rubber plate (5) and the bellows (7) is sleeved on the outside of the piston rod (2). A connecting plate (8) is fixedly connected to the bottom of the bellows (7). A connecting structure is provided inside the connecting plate (8). The connecting structure is fixedly connected to the hydraulic cylinder body (1).

2. A hydraulic cylinder with a dustproof structure according to claim 1, characterized in that: The connection structure includes a plug plate (9), which is fixedly installed inside the connecting plate (8). Multiple limiting protrusions (10) are fixedly provided on the outer side of the connecting plate (8). An annular sleeve plate (11) is provided at the bottom of the connecting plate (8). The annular sleeve plate (11) is fixedly connected to the outer side of the hydraulic cylinder body (1). Multiple elastic plates (12) are fixedly provided on the outer side of the annular sleeve plate (11). One end of the multiple elastic plates (12) is fastened to the limiting protrusions (10). An annular buckle plate (13) is fixedly provided on the inner wall of the annular sleeve plate (11). The annular buckle plate (13) is fastened to the outer side of the plug plate (9).

3. A hydraulic cylinder with a dustproof structure according to claim 1, characterized in that: The fixing plate (4) has a connecting hole inside, and the rubber plug (6) passes through the connecting hole.

4. A hydraulic cylinder with a dustproof structure according to claim 2, characterized in that: A limiting hole is provided inside one end of the elastic plate (12), and the limiting protrusion (10) is inserted into the limiting hole.

5. A hydraulic cylinder with a dustproof structure according to claim 2, characterized in that: The outer side of the plug plate (9) is provided with an annular groove, and the annular buckle plate (13) is fastened to the annular groove by interference fit.

6. A hydraulic cylinder with a dustproof structure according to claim 1, characterized in that: The top of the rubber stopper (6) is machined into an arc shape.

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