CN214837496U - Return energy-saving oil cylinder - Google Patents

Abstract

The utility model discloses a return stroke energy-saving type oil cylinder, the last fixed surface of bottom plate is connected with the cylinder, the last fixed surface of cylinder bottom is connected with the cylinder, the top fixedly connected with cylinder cap of cylinder, the inside swing joint of cylinder cap has the piston rod, the bottom fixedly connected with piston block of piston rod, one side outer wall fixedly connected with connecting plate of cylinder, one side fixedly connected with jar body of connecting plate, apron under the bottom fixedly connected with of jar body, the last fixed surface of apron is connected with the spring down, the inside swing joint of the jar body has the briquetting, and the spring is fixed mutually with the briquetting. The utility model discloses not only can make the piston rod accomplish the return stroke automatically through the piston piece, practiced thrift the energy, can make things convenient for the staff to know the internal pressure of jar through the manometer simultaneously, improve the convenience of device, can also cushion the piston piece through the blotter, improve the buffering effect of device.

Description

Return energy-saving oil cylinder

Technical Field

The utility model relates to an hydro-cylinder technical field especially relates to a return stroke energy-saving type hydro-cylinder.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion or swinging motion, has simple structure and reliable work, can omit a speed reducer when the hydraulic cylinder is used for realizing reciprocating motion, has no transmission clearance, and moves stably, thereby being widely applied to hydraulic systems of various machines.

The oil cylinder is widely applied to various fields in life due to the convenience and the high efficiency of use, the prior art adopts a hydraulic pump to draw out hydraulic oil to complete the return stroke of a piston rod, so that the consumption of the oil cylinder on energy sources can be increased to a certain extent, the energy sources are wasted, and in order to solve the problems, the return stroke energy-saving oil cylinder is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a return energy-saving oil cylinder.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a return stroke energy-saving type oil cylinder, includes the bottom plate, the last fixed surface of bottom plate is connected with the cylinder, the last fixed surface of cylinder bottom is connected with the cylinder, the top fixedly connected with cylinder cap of cylinder, the inside swing joint of cylinder cap has the piston rod, the bottom fixedly connected with piston block of piston rod, one side outer wall fixedly connected with connecting plate of cylinder, one side fixedly connected with jar body of connecting plate, apron under the bottom fixedly connected with of jar body, the last fixed surface of apron is connected with the spring down, the inside swing joint of the jar body has the briquetting, and the spring is fixed mutually with the briquetting, the top fixedly connected with upper cover plate of the jar body, the oil return opening has been seted up to one side of cylinder, fixedly connected with scavenge return pipe in the scavenge return opening, and the upper cover plate is passed to the one end of scavenge return pipe.

As a further proposal, the oil inlet is opened at one side of the cylinder bottom, and the oil inlet is linked together with the cylinder barrel.

As the utility model discloses the scheme of furthering again, one side fixedly connected with sealing washer of piston piece, and the sealing washer contacts with the cylinder.

As a further proposal, the top end of the piston rod is fixedly connected with a connector.

As the utility model discloses scheme further again, the last fixed surface of cylinder bottom is connected with a plurality of bracing pieces, and the top and the cylinder cap of bracing piece are fixed mutually.

As the utility model discloses scheme further again, one side fixedly connected with manometer of the jar body, the last fixed surface of cylinder cap is connected with the dust ring.

As a further proposal of the utility model, the upper surface of the piston block is fixedly connected with a buffer pad, and the buffer pad and a dustproof ring.

As the utility model discloses scheme further again, a plurality of fixed orificess have been seted up to the upper surface of bottom plate, and the fixed orifices symmetrical distribution.

The utility model has the advantages that:

1. through the setting of installation piston piece on the piston rod, oil enters into in the cylinder and promotes piston piece rebound, makes oil enter into jar internal through returning oil pipe, and makes briquetting pressure movable spring shorten, and when the internal oil of jar diminishes, the spring rebound extension makes the briquetting promote oil from returning oil pipe enter into in the cylinder, then presses the piston rod and makes the piston piece reset, thereby accomplish the return stroke of piston rod, avoid using the hydraulic pump to draw out hydraulic oil and accomplish the piston rod return stroke and increase the consumption of hydro-cylinder to the energy, practiced thrift the energy.

2. Through the setting of installing the manometer on the jar body, the manometer can detect jar internal pressure to make things convenient for the staff to observe and know jar internal pressure at any time, improved the convenience of device.

3. Through the setting of installation blotter on the piston piece, the blotter can cushion the piston piece, avoids piston piece rebound and cylinder cap direct contact collision to cause spare part to damage the pine and fall easily, has improved the buffering effect of device.

4. Through the setting of installation sealing washer on the piston rod, the sealing washer makes being connected inseparabler between piston piece and the cylinder, avoids oil to flow out from the gap between piston piece and the cylinder and influences device result of use, has passed through the leakproofness of device.

Drawings

Fig. 1 is a schematic structural view of a return energy-saving oil cylinder according to the present invention;

fig. 2 is a left side view structural schematic diagram of a return energy-saving oil cylinder provided by the present invention;

fig. 3 is a schematic sectional view of a return energy-saving oil cylinder according to the present invention.

In the figure: 1. a base plate; 2. a cylinder bottom; 3. a cylinder barrel; 4. a support bar; 5. a cylinder cover; 6. a piston rod; 7. a connector; 8. an oil inlet; 9. a connecting plate; 10. a tank body; 11. an upper cover plate; 12. an oil return pipe; 13. a pressure gauge; 14. briquetting; 15. a spring; 16. a lower cover plate; 17. a dust ring; 18. a piston block; 19. a cushion pad; 20. and (5) sealing 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. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, a return energy-saving oil cylinder comprises a bottom plate 1, a cylinder bottom 2 is fixed on the upper surface of the bottom plate 1 through bolts, a cylinder barrel 3 is fixed on the upper surface of the cylinder bottom 2 through bolts, a cylinder cover 5 is fixed on the top of the cylinder barrel 3 through bolts, a piston rod 6 is inserted into the cylinder cover 5, a piston block 18 is fixed at the bottom end of the piston rod 6 through bolts, a connecting plate 9 is fixed on the outer wall of one side of the cylinder barrel 3 through bolts, a tank body 10 is fixed on one side of the connecting plate 9 through bolts, the tank body 10 and the cylinder barrel 3 can be connected and fixed through the connecting plate 9, so that the device is more stable, a lower cover plate 16 is fixed on the bottom of the tank body 10 through bolts, a spring 15 is fixed on the upper surface of the lower cover plate 16 through bolts, a press block 14 is connected in the tank body 10 in a sliding manner, the spring 15 is fixed with the press block 14, and an upper cover plate 11 is fixed on the top of the tank body 10 through bolts, an oil return port is formed in one side of the cylinder barrel 3, an oil return pipe 12 is fixed in the oil return port through a bolt, one end of the oil return pipe 12 penetrates through the upper cover plate 11, oil enters the cylinder barrel 3 and pushes the piston block 18 to move upwards, the oil enters the tank body 10 through the oil return pipe 12, the pressing block 14 presses the spring 15 to shorten, when the oil in the tank body 10 is reduced, the spring 15 rebounds and extends to enable the pressing block 14 to push the oil to enter the cylinder barrel 3 from the oil return pipe 12, then the piston rod 6 is pressed to enable the piston block 18 to reset, return stroke of the piston rod 6 is completed, and consumption of the oil cylinder to energy is increased when hydraulic oil is extracted by a hydraulic pump to complete return stroke of the piston rod 6.

In the utility model, it should be noted that, an oil inlet 8 is opened on one side of the cylinder bottom 2, and the oil inlet 8 is communicated with the cylinder barrel 3, a sealing ring 20 is bonded on one side of the piston block 18, and the sealing ring 20 contacts with the cylinder barrel 3, the sealing ring 20 makes the connection between the piston block 18 and the cylinder barrel 3 more compact, avoid the oil flowing out from the gap between the piston block 18 and the cylinder barrel 3 to influence the use effect of the device, the top end of the piston rod 6 is fixed with a connector 7 through a bolt, the upper surface of the cylinder bottom 2 is fixed with a plurality of support rods 4 through bolts, and the top ends of the support rods 4 are fixed with the cylinder cover 5, one side of the cylinder body 10 is fixed with a pressure gauge 13 through a bolt, the pressure gauge 13 can detect the pressure in the cylinder body 10, thereby facilitating the worker to observe and know the pressure in the cylinder body 10 at any time, the upper surface of the cylinder cover 5 is bonded with a dust ring 17, the dust ring 17 can prevent dust of the cylinder barrel 3, inside avoiding the dust to enter into cylinder 3, the last surface bonding of piston block 18 has blotter 19, and blotter 19 and dust ring 17, blotter 19 can cushion piston block 18, avoids piston block 18 rebound to cause spare part to damage the pine with 5 direct contact collisions of cylinder cap easily, and a plurality of fixed orificess have been seted up to the upper surface of bottom plate 1, and the fixed orifices symmetric distribution.

The working principle is as follows: when the oil cylinder needs to work, firstly, an external pipeline is communicated with the oil cylinder, oil enters the cylinder barrel 3 through the oil inlet 8, the oil in the cylinder barrel 3 pushes the piston block 18 to move upwards to a proper position, the piston block 18 is located above the oil return opening, so that the oil enters the tank body 10 through the oil return pipe 12, then the oil presses the pressing block 14, the pressing spring 15 of the pressing block 14 is shortened, when the oil in the tank body 10 is reduced, the spring 15 rebounds and extends to enable the pressing block 14 to move upwards along the tank body 10, the oil is pushed to enter the cylinder barrel 3 from the oil return pipe 12, then the piston rod 6 is pressed to enable the piston block 18 to move downwards to a proper position to reset, and therefore return stroke of the piston rod 6 is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. A return energy-saving oil cylinder comprises a bottom plate (1) and is characterized in that the upper surface of the bottom plate (1) is fixedly connected with a cylinder bottom (2), the upper surface of the cylinder bottom (2) is fixedly connected with a cylinder barrel (3), the top of the cylinder barrel (3) is fixedly connected with a cylinder cover (5), the inside of the cylinder cover (5) is movably connected with a piston rod (6), the bottom of the piston rod (6) is fixedly connected with a piston block (18), the outer wall of one side of the cylinder barrel (3) is fixedly connected with a connecting plate (9), one side of the connecting plate (9) is fixedly connected with a cylinder body (10), the bottom of the cylinder body (10) is fixedly connected with a lower cover plate (16), the upper surface of the lower cover plate (16) is fixedly connected with a spring (15), the inside of the cylinder body (10) is movably connected with a pressing block (14), the spring (15) is fixed with the pressing block (14), the top of the cylinder body (10) is fixedly connected with an upper cover plate (11), an oil return port is formed in one side of the cylinder barrel (3), an oil return pipe (12) is fixedly connected in the oil return port, and one end of the oil return pipe (12) penetrates through the upper cover plate (11).

2. The return energy-saving oil cylinder as claimed in claim 1, wherein an oil inlet (8) is formed in one side of the cylinder bottom (2), and the oil inlet (8) is communicated with the cylinder barrel (3).

3. The return energy-saving oil cylinder as claimed in claim 2, characterized in that a sealing ring (20) is fixedly connected to one side of the piston block (18), and the sealing ring (20) is in contact with the cylinder barrel (3).

4. The return energy-saving oil cylinder as claimed in claim 1, characterized in that the top end of the piston rod (6) is fixedly connected with a connector (7).

5. The return energy-saving oil cylinder as claimed in claim 2, characterized in that a plurality of support rods (4) are fixedly connected to the upper surface of the cylinder bottom (2), and the top ends of the support rods (4) are fixed to the cylinder head (5).

6. The return energy-saving oil cylinder as claimed in claim 1, characterized in that a pressure gauge (13) is fixedly connected to one side of the tank body (10), and a dust ring (17) is fixedly connected to the upper surface of the cylinder cover (5).

7. The return energy-saving oil cylinder as claimed in claim 6, characterized in that a buffer pad (19) is fixedly connected to the upper surface of the piston block (18), and the buffer pad (19) and the dust ring (17) are connected.

8. The return energy-saving oil cylinder as claimed in claim 1, wherein the upper surface of the bottom plate (1) is provided with a plurality of fixing holes, and the fixing holes are symmetrically distributed.

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