CN203308811U - A new type of oil and gas isolation type automatic oil replenishment and exhaust type booster cylinder - Google Patents

Abstract

The utility model discloses a novel automatic oily exhaust type pressurized cylinder of mending of oil gas isolated. It is including oil storage bucket, pneumatic cylinder and pressure cylinder, connect through the midbody between pneumatic cylinder and the pressure cylinder, oil storage bucket top is provided with presses the oil pipe, be provided with return oil spring in the oil storage bucket, be provided with the oil duct between midbody and the oil drum middle cover. The hydraulic oil in the oil pressing space of the utility model enters the pneumatic cylinder through the oil duct under the action of the oil pressing piston, and realizes automatic oil supplement through the oil pressing pipe, and pushes the front piston to drive the front rod to strike an external object; and the pressure cylinder can further extrude the hydraulic oil in the pneumatic cylinder to the high pressure hydraulic oil that will produce produces high-pressure output power to the front rod effect, the utility model discloses a set up return spring in the pressure oil space of oil storage bucket, drive and press oil piston when doing reciprocating motion and oil drum lower cover contact, thereby produce bigger driving force, effectively strengthen the output power of pressing oil in the oil space.

Description

A new type of oil and gas isolation type automatic oil replenishment and exhaust type booster cylinder

technical field

The utility model relates to the technical field of booster cylinders, in particular to a novel oil-gas isolation type automatic oil supply and exhaust type booster cylinder.

Background technique

At present, pressurized cylinders are widely used in machining, packaging and other industries. With the needs of people in the process of use, there are more and more types of pressurized cylinders. Judging from the products currently on the market, they can be roughly divided into pneumatic cylinders (that is, pneumatic cylinders), hydraulic cylinders and gas-hydraulic booster cylinders. Among them, the pneumatic cylinder has the advantages of easy access to compressed air, clean and environment-friendly, while the hydraulic cylinder has the advantages of high output force and incompressible hydraulic oil. Therefore, people in the industry thought of combining the two into one to form a gas-hydraulic booster cylinder. However, the gas-liquid booster cylinders currently on the market generally have some problems. For example, although the advantages of the two can be combined, the pollution and loss of hydraulic oil can be caused due to the inability to separate the gas and liquid; there are still some that can achieve gas-liquid separation. , but the structure is relatively complicated, and it cannot be exhausted automatically, resulting in poor actual supercharging effect. For this reason, the inventor submitted a patent application on September 17, 2012, entitled "Oil and Gas Isolation Type Automatic Oil Supply and Exhaust Type Booster Cylinder", which was published on March 20, 2013. Although the above-mentioned patent overcomes the The structure is complex and cannot be automatically exhausted. However, the oil pressure piston in the above patent cannot move to the end during reciprocating motion, the oil pressure piston cannot contact the front cover of the oil drum, and the driving force of the hydraulic oil in the oil pressure space is insufficient. The working effect is not stable enough.

Contents of the invention

The purpose of this utility model is to provide a new type of oil-gas isolation type automatic replenishment and exhaust type pressurized cylinder for the deficiencies of the prior art. An oil return spring is set in the oil space to drive the oil pressure piston to contact with the lower cover of the oil barrel during reciprocating motion, thereby generating greater driving force and effectively enhancing the output force of hydraulic oil in the oil pressure space.

In order to achieve the above object, the utility model is achieved through the following technical solutions:

A new type of oil-gas isolation type automatic oil supply and exhaust type pressurized cylinder, including an oil storage barrel, the oil storage barrel includes an oil barrel lower cover, an oil barrel middle cover and an oil barrel upper cover, and the oil barrel lower cover There is an oil pressure space between the middle cover of the oil barrel and the upper cover of the oil barrel, and an oil storage space is formed between the middle cover of the oil barrel and the upper cover of the oil barrel. An oil pressure piston is matched in the oil pressure space, and the oil pressure piston is connected with a pressure An oil guide rod, one end of the oil pressure guide rod extends into the middle cover of the oil barrel, the lower cover of the oil barrel is provided with a first air inlet, the upper cover of the oil barrel is provided with an oil pressure conduit, the pressure The oil conduit is in communication with the oil storage space, and the upper cover of the oil drum is provided with a first air outlet; the air cylinder is matched with a front piston, which is connected with a front rod, and the front end of the air cylinder is provided with a Air pressure front cover, the front rod is pierced through the air pressure front cover; booster cylinder, a booster piston is matched in the booster cylinder, the booster piston is connected with a booster rod, the booster cylinder and the pneumatic cylinder Connected through the intermediate body, one end of the booster rod extends into the intermediate body, the rear end of the booster cylinder is provided with a booster rear cover, and the booster rear cover is provided with a second air inlet; the intermediate body and There is an oil passage between the upper cover of the oil barrel, one end of the oil passage communicates with the pneumatic cylinder through the intermediate body, and the other end of the oil passage is provided with two ports, one port communicates with the oil pressure space, and the other port passes through the oil barrel The middle cover communicates with the oil storage space; an oil return spring is arranged in the oil pressure space, and the oil return spring is sleeved on the oil pressure guide rod, and one end of the oil return spring is connected with the oil pressure piston, and the oil return spring The other end of the spring is connected with the oil drum middle cover.

Wherein, the air pressure front cover is provided with a third air inlet.

Further, a pressure gauge is also included, and the pressure gauge is connected with the intermediate body.

Still further, an oil standard tube is arranged between the middle cover of the oil drum and the upper cover of the oil drum.

Wherein, the front end of the air pressure front cover is provided with a flange, and the flange is engaged with the front end of the air pressure front cover. the

Wherein, both the oil storage barrel and the pneumatic cylinder are iron cylinders.

Wherein, the booster cylinder is an aluminum cylinder.

The beneficial effects of the utility model are:

The utility model relates to a new oil-gas isolation type automatic oil supply and exhaust type pressurized cylinder, the hydraulic oil in the pressure oil space of the oil storage barrel enters into the air pressure cylinder through the oil passage under the action of the oil pressure piston, And through the oil pressure pipe to realize automatic oil replenishment, push the front piston to drive the front rod to strike against external objects, because the upper cover of the oil drum has a first air outlet, it can also automatically exhaust a little gas entering the oil passage, which can Effectively realize gas-liquid separation; when the working product requires high-pressure output force, the second air inlet installed on the booster rear cover will inhale air, pushing the booster piston in the booster cylinder to move downward, thereby driving the booster rod The hydraulic oil in the pneumatic cylinder is further squeezed, and the generated high-pressure hydraulic oil acts on the front rod to generate high-pressure output force, which enhances the impact force of the front rod on external objects; the utility model further uses the pressure oil in the oil storage barrel An oil return spring is set in the space to drive the oil pressure piston to contact with the lower cover of the oil drum during reciprocating motion, thereby generating a greater driving force and effectively enhancing the output force of the hydraulic oil in the oil pressure space, and the work is stable and reliable, thereby achieving increased pressure purpose.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of a novel oil-gas isolation type automatic oil replenishment and exhaust type booster cylinder of the utility model;

Fig. 2 is a schematic cross-sectional structure diagram of a novel oil-gas isolation type automatic oil replenishment exhaust type pressurized cylinder of the utility model;

Fig. 3 is a top view of a new oil-gas isolation type automatic oil replenishment and exhaust type pressurized cylinder of the utility model;

Fig. 4 is a left view of a new oil-gas isolation type automatic oil replenishment and exhaust type booster cylinder of the utility model.

Included in Figures 1 to 4 are the labels:

1——Oil storage barrel 2——Pressure oil conduit

3——Pneumatic cylinder 4——Boost cylinder

5——Intermediate body 6——Oil passage

7——Pressure gauge 8——Oil standard tube

11——The lower cover of the oil drum 12——The middle cover of the oil drum

13——Oil barrel cover 14——Oil pressure space

15——Oil storage space 16——Oil pressure piston

17——Oil pressure guide rod 18——The first air inlet

19——Oil return spring 131——First air outlet

31——Front piston 32——Front rod

33——Air pressure front cover 34——Flange

331——the third air inlet 41——boosting piston

42——Boost lever 43——Boost cover

431—the second air inlet.

Detailed ways

Referring to Fig. 1 to Fig. 4, the utility model will be described in detail below in conjunction with the accompanying drawings.

A new type of oil and gas isolation type automatic oil supply and exhaust type pressurized cylinder described in the utility model includes an oil storage barrel 1, and the oil storage barrel 1 includes an oil barrel lower cover 11, an oil barrel middle cover 12 and an oil barrel. The upper cover 13 of the barrel, the oil pressure space 14 is between the lower cover 11 of the oil barrel and the middle cover 12 of the oil barrel, and the oil storage space 15 is between the middle cover 12 of the oil barrel and the upper cover 13 of the oil barrel. An oil pressure piston 16 is matched in the oil space 14, and the oil pressure piston 16 is connected with an oil pressure guide rod 17. One end of the oil pressure guide rod 17 extends into the middle cover 12 of the oil drum, and the lower cover 11 of the oil drum A first air inlet 18 is provided, and an oil pressure conduit 2 is arranged above the oil drum upper cover 13, and the oil pressure conduit 2 communicates with the oil storage space 15, and the oil drum upper cover 13 is provided with a first air outlet 131: Pneumatic cylinder 3, a front piston 31 is matched inside the pneumatic cylinder 3, the front piston 31 is connected with a front rod 32, the front end of the pneumatic cylinder 3 is provided with an air pressure front cover 33, and the front rod 32 is installed on the Air pressure front cover 33; booster cylinder 4, a booster piston 41 is matched inside the booster cylinder 4, and the booster piston 41 is connected with a booster rod 42, and the booster cylinder 4 and the pneumatic cylinder 3 pass through the intermediate 5 connection, one end of the booster rod 42 extends into the intermediate body 5, the rear end of the booster cylinder 4 is provided with a booster rear cover 43, and the booster rear cover 43 is provided with a second air inlet 431; An oil passage 6 is arranged between the intermediate body 5 and the oil drum upper cover 13, and one end of the oil passage 6 communicates with the pneumatic cylinder 3 through the intermediate body 5, and the other end of the oil passage 6 is provided with two ports, one of which is connected to the The oil pressure space 14 communicates, and the other port communicates with the oil storage space 15 through the oil drum middle cover 12; the oil pressure space 14 is provided with an oil return spring 19, and the oil return spring 19 is sleeved on the oil pressure guide rod 17 One end of the oil return spring 19 is connected to the oil pressure piston 16, and the other end of the oil return spring 19 is connected to the middle cover 12 of the oil drum. In the utility model, the hydraulic oil in the pressure oil space 14 of the oil storage barrel 1 enters into the pneumatic cylinder 3 through the oil passage 6 under the action of the oil pressure piston 16, and realizes automatic oil replenishment through the oil pressure conduit 2, Push the front piston 31 to drive the front rod 32 to strike against external objects. Since the oil drum upper cover 13 is provided with a first air outlet 131, only a muffler needs to be installed at the first air outlet 131 to prevent the oil from entering the oil passage 6. A small amount of gas is automatically exhausted, which can effectively realize gas-liquid separation. The muffler is a muffler sold in the general market; The intake air pushes the booster piston 41 in the booster cylinder 4 to move downward, thereby driving the booster rod 42 to further squeeze the hydraulic oil in the pneumatic cylinder 3, and the generated high-pressure hydraulic oil acts on the front rod 32 to generate The high-pressure output force enhances the impact force of the front rod 32 on external objects; the utility model further sets an oil return spring 19 in the oil pressure space 14 of the oil storage barrel 1 to drive the oil pressure piston 16 to contact with the oil barrel when reciprocating. The lower cover 11 is in contact with each other, thereby generating greater driving force, effectively enhancing the output force of the hydraulic oil in the pressure oil space 14, and working stably and reliably, thereby achieving the purpose of boosting.

The working process of the present utility model is:

Firstly, the first air inlet 18 of the lower cover 11 of the oil barrel is fed with air, and the oil pressure piston 16 in the oil pressure space 14 of the oil storage barrel 1 is pushed upward, and the oil return spring 19 is compressed under the push of the oil pressure piston 16, thereby The hydraulic oil in the oil pressure space 14 is input into the pneumatic cylinder 3 through the oil passage 6, and the front piston 31 is pushed to drive the front rod 32 to strike against external objects; The second air inlet 431 provided at 43 takes in air, and pushes the booster piston 41 in the booster cylinder 4 downward, thereby driving the booster rod 42 to move downward, and further squeezes the hydraulic oil in the pneumatic cylinder 3 . Since the utility model is provided with an oil pressure conduit 2 above the oil barrel upper cover 13, one of the ports of the oil passage 6 communicates with the oil storage space 15 through the oil barrel middle cover 12, because the oil pressure conduit 2 extends into the oil storage space 15 , when the hydraulic oil in the oil passage 6 is insufficient, the oil pressure conduit 2 can automatically replenish oil to the oil passage 6 to ensure the output oil pressure of the hydraulic oil; since the first air inlet 18 pushes the oil pressure piston 16 During the process, a small amount of gas will enter the oil pressure space 14, thereby entering the oil passage 6 and affecting the quality of the hydraulic oil. The gas is automatically exhausted to ensure the quality of the hydraulic oil and enhance the striking force of the front rod 32 on external objects; Since the oil pressure piston 16 is connected with the oil return spring 19, it can drive the oil pressure piston 16 to move backwards to the end and contact the lower cover 11 of the oil barrel, thereby preparing for the second pressurization, so that the boosting effect of the hydraulic oil every time Stable and reliable.

As a preferred embodiment, both the oil storage barrel 1 and the pneumatic cylinder 3 are iron cylinders, and the booster cylinder 4 is an aluminum cylinder.

In the utility model, the air pressure front cover 33 is provided with a third air inlet 331. When the front rod 32 runs to the bottom under the push of the front piston 31, the front rod 32 is forced to move in reverse. The front cover 33 is provided with a third air inlet 331 to ensure that when the front rod 32 is not strong enough to move in reverse, the third air inlet 331 provides power for the movement of the front piston 31, thereby driving the front rod 32 to move in reverse, without the need for The thrust of other external components realizes automatic reciprocating operation, which further enhances the practicability of the utility model.

Further, a pressure gauge 7 is also included, and the pressure gauge 7 is connected with the intermediate body 5 . In the utility model, by connecting the pressure gauge 7 at the intermediate body 5, the pressure in the pneumatic cylinder 3 can be detected and adjusted, which further improves the safety performance of the utility model.

Furthermore, an oil standard tube 8 is arranged between the oil drum middle cover 12 and the oil drum upper cover 13, and the oil standard tube 8 can directly reflect the oil level position of the hydraulic oil in the oil pressure space 14, which is convenient The pressure oil conduit 2 replenishes the hydraulic oil in the oil storage tank 1 .

In the present invention, the front end of the air pressure front cover 33 is provided with a flange 34 , and the flange 34 is engaged with the front end of the air pressure front cover 33 . The utility model can further strengthen the airtightness of the pneumatic cylinder 3 by arranging the flange 34 at the front end of the air pressure front cover 33, and enhance the practicability of the utility model.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (7)

1. A new type of oil-gas isolation type automatic oil replenishment and exhaust type booster cylinder, including An oil storage barrel, the oil storage barrel includes an oil barrel lower cover, an oil barrel middle cover and an oil barrel upper cover, the oil pressure space is between the oil barrel lower cover and the oil barrel middle cover, and the oil barrel middle cover There is an oil storage space between the upper cover of the oil drum, and an oil pressure piston is matched in the oil pressure space, and the oil pressure piston is connected with an oil pressure guide rod, and one end of the oil pressure guide rod extends into the middle cover of the oil drum Inside, the lower cover of the oil drum is provided with a first air inlet, the upper cover of the oil drum is provided with a pressure oil conduit, and the oil pressure conduit communicates with the oil storage space, and the upper cover of the oil drum is provided with a first air outlet; A pneumatic cylinder, a front piston is matched in the pneumatic cylinder, the front piston is connected to a front rod, the front end of the pneumatic cylinder is provided with an air pressure front cover, and the front rod is installed on the air pressure front cover; A booster cylinder, the booster cylinder is equipped with a booster piston, the booster piston is connected to a booster rod, the booster cylinder and the pneumatic cylinder are connected through an intermediate body, and one end of the booster rod extends into the middle body, the rear end of the booster cylinder is provided with a booster rear cover, and the booster rear cover is provided with a second air inlet; An oil passage is set between the intermediate body and the upper cover of the oil barrel, one end of the oil passage communicates with the pneumatic cylinder through the intermediate body, and the other end of the oil passage is provided with two ports, one port communicates with the oil pressure space, and the other One port communicates with the oil storage space through the middle cover of the oil drum; It is characterized by: An oil return spring is arranged in the oil pressure space, and the oil return spring is sleeved on the oil pressure guide rod. One end of the oil return spring is connected to the oil pressure piston, and the other end of the oil return spring is connected to the oil barrel. Cover connection. 2. A new type of oil-air isolation type automatic oil replenishment and exhaust type pressurized cylinder according to claim 1, characterized in that: the air pressure front cover is provided with a third air inlet. 3. A new type of oil-gas isolation type automatic oil replenishment and exhaust type booster cylinder according to claim 1, characterized in that it also includes a pressure gauge, and the pressure gauge is connected to the intermediate body. 4. A new type of oil and gas isolation type automatic oil replenishment and exhaust type pressurized cylinder according to claim 1, characterized in that: an oil standard tube is arranged between the middle cover of the oil drum and the upper cover of the oil drum. 5. A new type of oil-gas isolation type automatic oil supply and exhaust type pressurized cylinder according to claim 1, characterized in that: the front end of the air pressure front cover is provided with a flange, and the flange and the air pressure front cover The front snaps. 6. A new type of oil-gas isolation type automatic oil replenishment and exhaust type pressurized cylinder according to claim 1, characterized in that: the oil storage barrel and the pneumatic cylinder are both iron cylinders. 7. A new oil-gas isolation type automatic oil replenishment and exhaust type booster cylinder according to claim 1, characterized in that: the booster cylinder is an aluminum cylinder.

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