CN220118430U - Single-body type gas-liquid pressurizing cylinder - Google Patents

Abstract

The utility model discloses a single-body type gas-liquid pressurizing cylinder which is provided with a main cylinder body, wherein the main cylinder body comprises a front cylinder barrel, an outer cylinder barrel, an oil storage cylinder barrel and a rear cylinder barrel which are sequentially connected, the front cylinder barrel is connected with the outer cylinder barrel through a middle cover, an inner cylinder barrel is arranged in the outer cylinder barrel and is communicated with the outer cylinder barrel, an oil piston is arranged in the inner cylinder barrel, a piston rod is arranged on the oil piston, a gas piston is arranged in the front cylinder barrel, the outer cylinder barrel is connected with the oil storage cylinder barrel through a pressurizing middle cover, the oil storage cylinder barrel is connected with the rear cylinder barrel through a baffle cover, an oil storage piston and an oil spring are arranged in the oil storage cylinder barrel, a rear piston is arranged in the rear cylinder barrel, and a pressurizing rod is arranged on the rear piston. The pneumatic hydraulic cylinder is compact in integral structure, effectively saves structural space, is convenient for mounting and placing the pneumatic hydraulic oxygenation cylinder, is reasonable in structural connection with the hydraulic system, has good driving output effect and can meet the power output requirement.

Description

Single-body type gas-liquid pressurizing cylinder

Technical Field

The utility model relates to a pneumatic-hydraulic power output device, in particular to a single-body type pneumatic-hydraulic booster cylinder.

Background

In the mechanical field, the device drive is generally output by using air pressure or hydraulic pressure as a power source, wherein the air pressure has the advantage of quick action response, and the hydraulic pressure has the advantage of stable action and large power output.

In general, in a power output system of a device mechanism, if air pressure and hydraulic pressure requirements are to be met at the same time, two sets of pressure systems of air pressure and hydraulic pressure are often configured, and an oil storage cylinder body is generally connected with a main cylinder body in a parallel manner, so that the integral structure of the cylinder body is affected, the integral installation and placement of the cylinder body are inconvenient, in addition, the existing air-liquid booster cylinder has the phenomenon of gas or liquid oil leakage, so that the driving effect is poor, and the power output requirement cannot be met.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the single-body type gas-liquid booster cylinder, the pneumatic system and the hydraulic system are connected in series, the whole structure of the gas-liquid booster cylinder is compact, the structural space is effectively saved, the gas-liquid oxygen increasing cylinder can be conveniently installed and placed, the pneumatic system and the hydraulic system are connected in a reasonable structure, the driving output effect is good, and the power output requirement can be met.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a monomer formula gas-liquid booster cylinder, has the master cylinder body, the master cylinder body is including the preceding cylinder that connects gradually, outer cylinder, oil storage cylinder and back cylinder, preceding cylinder is connected through the intermediate head with outer cylinder, the one end that the intermediate head was kept away from to preceding cylinder is provided with the front end housing, be provided with interior cylinder in the outer cylinder, interior cylinder and outer cylinder intercommunication, be provided with the oil piston in the interior cylinder, be provided with the piston rod on the oil piston, the piston rod runs through intermediate head in proper order, the front end housing and extends to outside, be provided with the air piston in the preceding cylinder, the air piston suit is on the piston rod, outer cylinder is connected through the pressure boost intermediate head with the oil storage cylinder, the oil storage cylinder is connected through the baffle lid with the back cylinder, be provided with the oil storage piston in the oil storage cylinder, be provided with the oil spring between oil storage piston and the baffle lid, the one end that the baffle lid was kept away from to the back cylinder is provided with the back piston in the back cylinder, be provided with the booster rod on the back piston, the booster rod runs through baffle lid in proper order, oil storage piston and booster rod extends to the inner cylinder in the pressure boost intermediate head.

The single-body type gas-liquid pressurizing cylinder provided by the embodiment of the utility model has at least the following beneficial effects:

the utility model has a main cylinder body, the main cylinder body comprises a front cylinder barrel, an outer cylinder barrel, an oil storage cylinder barrel and a rear cylinder barrel which are sequentially connected, an inner cylinder barrel is arranged in the outer cylinder barrel, the inner cylinder barrel is communicated with the outer cylinder barrel, an oil piston is arranged in the inner cylinder barrel, a piston rod is arranged on the oil piston, the piston rod sequentially penetrates through a middle cover and a front end cover and extends to the outside, an air piston is arranged in the front cylinder barrel and is sleeved on the piston rod, the outer cylinder barrel is connected with the oil storage cylinder barrel through a pressurizing middle cover, the oil storage cylinder barrel is connected with the rear cylinder barrel through a baffle cover, an oil storage piston is arranged in the oil storage cylinder barrel, an oil spring is arranged between the oil storage piston and the baffle cover, one end, far away from the baffle cover, of the rear cylinder barrel is provided with a rear piston, and a pressure increasing rod is arranged on the rear piston.

A process air cavity is formed between the middle cover and the air piston, and a process air port is formed in the middle cover; a return air cavity is formed between the air piston and the front end cover, and a return air port communicated with the return air cavity is arranged on the front end cover; the pressure oil storage cavity is formed between the pressure boosting middle cover and the middle cover, the middle cover is provided with the liquid oil through hole, the inner cylinder is communicated with the outer cylinder through the liquid oil through hole, the reset air cavity is formed between the baffle cover and the rear piston, and the pressure boosting air cavity is formed between the rear piston and the rear end cover, so that the air pressure system and the hydraulic system are connected in series, the overall structure of the air-liquid pressure boosting cylinder is compact, the structural space is effectively saved, and the installation and the placement of the air-liquid oxygen increasing cylinder can be facilitated.

According to some embodiments of the utility model, a buffer flange is arranged on one side of the air piston, and the buffer flange is connected with the air piston.

The beneficial effects are that: through set up buffer flange in gas piston one side, can play the effect of buffering to gas piston, can effectively reduce the impact of gas piston to the intermediate cap, and then, reducible intermediate cap's wearing and tearing, extension intermediate cap's life.

According to some embodiments of the utility model, the buffer flange is fixedly connected with the air piston through a cylindrical head screw.

The beneficial effects are that: the buffer flange is fixedly connected with the air piston through the cylindrical head screw, so that the buffer flange and the air piston are stably connected, and the buffer flange is stable and smooth when being abutted against the middle cover.

According to some embodiments of the utility model, the end of the buffer flange away from the gas piston is sleeved with a steel shell buffer ring.

The beneficial effects are that: through the cover steel shell buffer ring on buffer flange, and then, can improve buffer flange's overall structure intensity, increase buffer flange's structural stability.

According to some embodiments of the utility model, the air piston is provided with a guide belt.

The beneficial effects are that: through set up the guide belt on the gas piston, can play the guide effect to the gas piston, can prevent that gas piston and preceding cylinder inner wall from taking place wearing and tearing, improve the performance of gas piston effectively, and can prolong the life of gas piston.

According to some embodiments of the utility model, the rear piston is provided with a piston cushion at an end thereof adjacent to the rear end cap.

The beneficial effects are that: the rear piston is located the one end that is close to the rear end cover and is provided with the piston blotter, can play the cushioning effect when rear piston butt rear end cover, and then, reducible rear piston plays the guard action to the impact of rear end cover.

According to some embodiments of the utility model, the intermediate cap is provided with a plurality of stem rings which are sleeved on the piston rod.

The beneficial effects are that: through set up a plurality of pole portion circles on the middle lid to, pole portion snare dress is on the piston rod, and then, can effectively prevent that piston rod and middle lid from taking place wearing and tearing, play the guard action to piston rod, middle lid, and, pole portion circle can play sealed effect, make gaseous and hydraulic oil separate completely, effectively prevent that hydraulic oil from leaking.

According to some embodiments of the utility model, piston rings are arranged on the gas piston, the oil storage piston and the rear piston.

The beneficial effects are that: through all set up the piston ring on gas piston, oil storage piston and back piston, and then for the sealing performance of each piston is good, can effectively prevent gas, hydraulic oil leakage, makes gas-liquid completely separate, makes gas-liquid pressure boost jar sealing performance good.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

fig. 2 is a structural cross-sectional view of an embodiment of the present utility model.

Reference numerals: the cylinder block 100, the front cylinder tube 110, the outer cylinder tube 120, the oil storage cylinder tube 130, the rear cylinder tube 140, the middle cover 150, the front end cover 160, the inner cylinder tube 170, the oil piston 180, the piston rod 190, the gas piston 200, the pressurizing middle cover 210, the baffle cover 220, the oil storage piston 230, the oil spring 240, the rear end cover 250, the rear piston 260, the pressurizing rod 270, the buffering flange 280, the cylindrical head screw 290, the steel shell buffering ring 300, the guide belt 310, the piston buffering pad 320, the rod portion ring 330, the piston ring 340, the process air chamber 350, the return air chamber 360, the pressurized oil storage chamber 370, the liquid oil through hole 380, the return air chamber 390, the pressurizing air chamber 400, and the oil storage chamber 410.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

A single-piece gas-liquid booster cylinder is described in detail below with reference to fig. 1-2 in a specific embodiment. It is to be understood that the following description is exemplary only and is not intended to limit the utility model in any way.

As shown in fig. 1, a single-body type gas-liquid booster cylinder is provided with a main cylinder body 100, the main cylinder body 100 comprises a front cylinder 110, an outer cylinder 120, an oil storage cylinder 130 and a rear cylinder 140 which are sequentially connected, the front cylinder 110 is connected with the outer cylinder 120 through a middle cover 150, one end, far away from the middle cover 150, of the front cylinder 110 is provided with a front end cover 160, an inner cylinder 170 is arranged in the outer cylinder 120, the inner cylinder 170 is communicated with the outer cylinder 120, an oil piston 180 is arranged in the inner cylinder 170, a piston rod 190 is arranged on the oil piston 180, the piston rod 190 sequentially penetrates through the middle cover 150 and the front end cover 160 and extends to the outside, an air piston 200 is arranged in the front cylinder 110, the air piston 200 is sleeved on the piston rod 190, the outer cylinder 120 is connected with the oil storage cylinder 130 through a middle booster cover 210, the oil storage cylinder 130 is connected with the rear cylinder 140 through a baffle cover 220, an oil storage piston 230 is arranged between the oil storage piston 230 and the baffle cover 220, one end, far away from the baffle cover 220 is provided with a rear end cover 250, a rear piston 260 is arranged in the rear cylinder 140, a rear piston 260 is arranged in the rear piston 140, and the piston 260 is sequentially extends to the middle booster cylinder cover 260 and extends to the piston 270.

The utility model has a main cylinder body 100, the main cylinder body 100 comprises a front cylinder 110, an outer cylinder 120, an oil storage cylinder 130 and a rear cylinder 140 which are sequentially connected, an inner cylinder 170 is arranged in the outer cylinder 120, the inner cylinder 170 is communicated with the outer cylinder 120, an oil piston 180 is arranged in the inner cylinder 170, a piston rod 190 is arranged on the oil piston 180, the piston rod 190 sequentially penetrates through a middle cover 150 and a front end cover 160 and extends to the outside, an air piston 200 is arranged in the front cylinder 110, the air piston 200 is sleeved on the piston rod 190, the outer cylinder 120 is connected with the oil storage cylinder 130 through a pressurizing middle cover 210, the oil storage cylinder 130 is connected with the rear cylinder 140 through a baffle cover 220, an oil storage piston 230 is arranged in the oil storage cylinder 130, a pressure oil spring 240 is arranged between the oil storage piston 230 and the baffle cover 220, a rear end cover 250 is arranged at one end of the rear cylinder 140 far away from the baffle cover 220, a rear piston 260 is arranged in the rear cylinder 140, and a pressurizing rod 270 is arranged on the rear piston 260.

Wherein, a process air cavity 350 is formed between the middle cover 150 and the air piston 200, and a process air port is arranged on the middle cover 150; a return air cavity 360 is formed between the air piston 200 and the front end cover 160, and a return air port communicated with the return air cavity 360 is arranged on the front end cover 160; the pressure storage cavity 370 is formed between the pressure boosting middle cover 210 and the middle cover 150, the middle cover 150 is provided with the liquid oil through hole 380, the inner cylinder 170 is communicated with the outer cylinder 120 through the liquid oil through hole 380, the reset air cavity 390 is formed between the baffle cover 220 and the rear piston 260, and the pressure boosting air cavity 400 is formed between the rear piston 260 and the rear end cover 250, so that the mode that the air pressure system is connected with the hydraulic system in series is realized, the integral structure of the air-liquid pressure boosting cylinder is compact, the structural space is effectively saved, and the installation and the placement of the air-liquid oxygen increasing cylinder can be facilitated.

It should be noted that, referring to fig. 2, when the gas-liquid booster cylinder is assembled for filling oil, the oil pressure spring 240 is compressed by the oil pressure, so that the oil storage piston 230 presses against the baffle cover 220, and an oil storage cavity 410 is formed between the oil storage piston 230 and the booster middle cover 210, the oil storage cavity 410 can accommodate hydraulic oil, and when the hydraulic oil in the inner cylinder 170 is reduced, the compression spring is reset for oil supplementing, so that the gas-liquid booster cylinder is convenient for oil supplementing, and the usability is effectively improved.

In some embodiments of the present utility model, a buffer flange 280 is provided at one side of the gas piston 200, and the buffer flange 280 is connected to the gas piston 200.

By providing the buffer flange 280 on one side of the gas piston 200, the buffer effect on the gas piston 200 can be achieved, the impact of the gas piston 200 on the middle cover 150 can be effectively reduced, and further, the abrasion of the middle cover 150 can be reduced, and the service life of the middle cover 150 can be prolonged.

In some embodiments of the present utility model, the cushion flange 280 is fixedly connected to the gas piston 200 by a cylindrical head screw 290.

The buffer flange 280 is fixedly connected with the air piston 200 through the cylindrical head screw 290, so that the buffer flange 280 is stably connected with the air piston 200, and further, the buffer flange 280 is stable and smooth when being abutted against the middle cover 150.

In some embodiments of the present utility model, the end of the damping flange 280 remote from the gas piston 200 is sleeved with a steel shell damping ring 300.

By sleeving the steel shell buffer ring 300 on the buffer flange 280, the overall structural strength of the buffer flange 280 can be improved, and the structural stability of the buffer flange 280 can be improved.

In some embodiments of the present utility model, the air piston 200 is provided with a guide band 310.

By arranging the guide belt 310 on the air piston 200, the air piston 200 can be guided, abrasion between the air piston 200 and the inner wall of the front cylinder 110 can be prevented, the service performance of the air piston 200 is effectively improved, and the service life of the air piston 200 can be prolonged.

In some embodiments of the present utility model, the rear piston 260 is provided with a piston cushion 320 near one end of the rear end cap 250.

The piston buffer 320 is disposed at one end of the rear piston 260 near the rear end cap 250, and can buffer the rear end cap 250 when the rear piston 260 abuts against the rear end cap 250, so that impact of the rear piston 260 on the rear end cap 250 can be reduced, and the rear end cap 250 can be protected.

In some embodiments of the present utility model, the intermediate cap 150 is provided with a plurality of rod rings 330, and the rod rings 330 are sleeved on the piston rod 190.

Through set up a plurality of pole portion circles 330 on intermediate cap 150 to, pole portion circle 330 suit is on piston rod 190, and then, can effectively prevent that piston rod 190 and intermediate cap 150 from taking place wearing and tearing, play the guard action to piston rod 190, intermediate cap 150, and, pole portion circle 330 can play sealed effect, make gas and hydraulic oil separate completely, effectively prevent that hydraulic oil from leaking.

In some embodiments of the present utility model, piston rings 340 are provided on each of the gas piston 200, the oil piston 180, the oil reservoir piston 230, and the rear piston 260.

Through all set up piston ring 340 on gas piston 200, oil piston 180, oil storage piston 230 and back piston 260, and then, make the sealing performance of each piston good, can effectively prevent gas, hydraulic oil leakage, make gas-liquid completely separate, make gas-liquid pressure cylinder sealing performance good.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (8)

1. A single-body gas-liquid booster cylinder, comprising:

the main cylinder body (100) comprises a front cylinder barrel (110), an outer cylinder barrel (120), an oil storage cylinder barrel (130) and a rear cylinder barrel (140) which are sequentially connected, wherein the front cylinder barrel (110) is connected with the outer cylinder barrel (120) through a middle cover (150), one end of the middle cover (150) is provided with a front end cover (160) which is far away from the front cylinder barrel (110), an inner cylinder barrel (170) is arranged in the outer cylinder barrel (120), the inner cylinder barrel (170) is communicated with the outer cylinder barrel (120), an oil piston (180) is arranged in the inner cylinder barrel (170), a piston rod (190) is arranged on the oil piston (180), the piston rod (190) sequentially penetrates through the middle cover (150) and extends to the outside, a gas piston (200) is arranged in the front cylinder barrel (110), the gas piston (200) is sleeved on the piston rod (190), the outer cylinder barrel (120) is connected with the oil storage cylinder barrel (130) through a middle cover (210), the oil piston (220) is connected with the oil storage cylinder barrel (230) through a baffle plate (230), the one end that back cylinder (140) kept away from baffle lid (220) is provided with rear end cap (250), be provided with back piston (260) in back cylinder (140), be provided with pressure boost pole (270) on back piston (260), pressure boost pole (270) run through in proper order baffle lid (220) oil storage piston (230) and lid (210) extend to in the pressure boost cylinder (170).

2. The single-body gas-liquid booster cylinder as defined in claim 1, characterized in that a buffer flange (280) is provided on one side of the gas piston (200), and the buffer flange (280) is connected with the gas piston (200).

3. The single-body gas-liquid booster cylinder as defined in claim 2 wherein said buffer flange (280) is fixedly connected to said gas piston (200) by means of a cylindrical head screw (290).

4. The single-body gas-liquid booster cylinder as defined in claim 2 wherein a steel shell buffer ring (300) is sleeved on the end of said buffer flange (280) away from said gas piston (200).

5. A monoblock gas-liquid pressure cylinder as claimed in claim 1, wherein the gas piston (200) is provided with a guide belt (310).

6. The single-piece gas-liquid booster cylinder of claim 1 wherein the rear piston (260) is provided with a piston cushion (320) at an end proximate the rear end cap (250).

7. The single-body gas-liquid booster cylinder as defined in claim 1, wherein a plurality of rod rings (330) are provided on the intermediate cover (150), and the rod rings (330) are sleeved on the piston rod (190).

8. The single-piece gas-liquid booster cylinder as defined in claim 1, wherein piston rings (340) are provided on the gas piston (200), the oil piston (180), the oil storage piston (230) and the rear piston (260).