CN217582689U - Oil cylinder upper cavity buffer device - Google Patents

Abstract

The utility model discloses a hydro-cylinder epicoele buffer belongs to the hydro-cylinder field, including the hydro-cylinder body, the right side fixedly connected with hydro-cylinder cap of hydro-cylinder body, and the inside swing joint of hydro-cylinder body has the piston rod, be equipped with the piston body on the piston rod, the inside of hydro-cylinder body is equipped with the left side and is equipped with buffer gear, buffer gear includes solid fixed ring, the wire guide, reset spring, movable block and toper buffer ring, the buffer gear of setting and the use of anticollision mechanism cooperation upper oil cylinder, can ensure after the hydro-cylinder unloads oil and the piston rod pressurized back piston rod can not remove fast in the hydro-cylinder body and cause the striking, and realize the purpose of buffering, and get into the bottom position of piston rod and reach the cushion pad in the intracavity on the earth and let buffer spring take place the deformation back, can further realize the cushioning effect, avoid the piston rod to take place the striking at the hydro-cylinder body, thereby not only can play the effect of buffer protection to the equipment that the hydro-cylinder itself and use the cooperation piston rod.

Description

Oil cylinder upper cavity buffer device

Technical Field

The utility model relates to a hydro-cylinder field, in particular to hydro-cylinder epicoele buffer.

Background

The cylinder generally refers to a hydraulic cylinder, which is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or oscillating motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. However, the inside buffer of traditional hydro-cylinder is comparatively single, generally utilize buffer spacer to realize cushioning effect, the cushioning effect is not good, make the hydro-cylinder at the in-process that cooperates other equipment to use, for example when using with equipment cooperation such as train pole or district brake lever, receive the pressure back when the hydro-cylinder is at the in-process of unloading or when unloading, can lead to the piston rod to descend fast and the striking bottom in the hydro-cylinder, not only cause the damage easily to the hydro-cylinder, and simultaneously, the equipment of installing on the piston rod also can fall down fast, thereby can pound people or other thing, and then lead to producing the potential safety hazard when using the hydro-cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a hydro-cylinder epicoele buffer can effectively solve the problem in the background art.

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

a buffering device for an upper cavity of an oil cylinder comprises an oil cylinder body, wherein an oil cylinder cover is fixedly connected to the right side of the oil cylinder body, a piston rod is movably connected inside the oil cylinder body, a piston body is arranged on the piston rod, a buffering mechanism is arranged on the left side inside the oil cylinder body, the buffering mechanism comprises a fixing ring, a lead rod, a reset spring, a movable block and a conical buffering ring, the fixing ring is fixedly connected to the left side inside the oil cylinder body, the lead rod is fixedly connected to the four sides of the right side of the fixing ring, reset spring cover establishes on the wire pole, movable block swing joint on the wire pole and with reset spring fixed connection, the toper buffering ring passes through the connecting block fixed connection of outer wall one side on the movable block, the inside right side of hydro-cylinder cap is equipped with the bottom chamber, and the bottom in bottom chamber is equipped with anticollision institution, anticollision institution includes buffer pad and buffer spring, buffer pad is provided with two, and buffer spring fixed connection is between buffer pad.

Preferably, the shaft of the piston rod is positioned at the left side of the piston body and fixedly provided with a conical ring in a sleeving manner.

Preferably, the buffer spring is fixedly installed between the symmetrical buffer gaskets, and the buffer gasket on the left side is fixedly installed on the inner bottom surface of the bottom cavity.

Preferably, a fixing ring is fixedly mounted on the left side wall of the inside of the cylinder body, grooves are formed in four sides of the right end of the fixing ring respectively, guide sliding grooves are formed in two sides of the inner wall of each groove respectively, a wire guide rod is fixedly mounted in each groove of each groove, a reset spring is sleeved on the rod body of each wire guide rod, and the outer end of each reset spring is fixedly mounted on the end wall of the inner side and the outer side of each groove.

Preferably, the inner fixed mounting of reset spring has the movable block, and has seted up the connecting hole on the lateral wall of movable block, the movable block passes through connecting hole movable mounting on the wire pole, and the both sides of movable block still fixed mounting respectively have the direction slider, direction slider slidable mounting is in the direction spout.

Preferably, the toper buffer ring divide into the quartering, and fixed mounting has the connecting block on the lateral wall of toper buffer ring, connecting block fixed mounting is on the right side wall of movable block.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, the buffer gear who sets up and the use of hydro-cylinder on the anticollision mechanism cooperation, when the hydro-cylinder oil discharge made the piston rod descend, the toper ring of installation will enter into the ring of the toper buffer ring that is divided into the quartering on the piston rod, and can extrude toper buffer ring to four side directions, then, toper buffer ring passes through the connecting block and makes the movable block move in the recess along the guide wire pole, and force reset spring to make indentation operation, make toper buffer ring be propped open through the toper ring with this piston rod at the in-process that descends, and let reset spring take place this in-process of deformation and can realize the buffering to the piston rod, ensure behind the hydro-cylinder oil discharge and the piston rod pressurized back piston rod can not remove in the hydro-cylinder body fast, and after the bottom position of piston rod gets into to the intracavity is supported to the buffer gasket and let buffer spring take place deformation, can further realize the cushioning effect, avoid the piston rod to take place the striking at the hydro-cylinder body, thereby not only can play the cushioning protection's effect to the equipment that the hydro-cylinder itself and use the cooperation piston rod, and simultaneously, the security of hydro-cylinder when using has still been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a sectional view of the whole structure of the present invention;

fig. 4 is a schematic view of the structure split of the buffering mechanism of the present invention.

In the figure: 1. a cylinder body of the oil cylinder; 2. a cylinder cover of the oil cylinder; 3. a piston rod; 4. a piston body; 5. a buffer mechanism; 6. an anti-collision mechanism; 7. a conical ring; 8. a bottom cavity; 9. a cushion pad; 10. a buffer spring; 11. a fixing ring; 12. a groove; 13. a guide chute; 14. a wire guide rod; 15. a return spring; 16. a movable block; 17. connecting holes; 18. a guide slide block; 19. a conical cushion ring; 20. and (4) connecting the blocks.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, an upper cylinder cavity buffer device comprises a cylinder body 1, a right side of the cylinder body 1 is fixedly connected with a cylinder cover 2, the inside of the cylinder body 1 is movably connected with a piston rod 3, the piston rod 3 is provided with a piston body 4, the inside of the cylinder body 1 is provided with a left side provided with a buffer mechanism 5, the buffer mechanism 5 comprises a fixing ring 11, a wire guide rod 14, a reset spring 15, a movable block 16 and a conical buffer ring 19, the fixing ring 11 is fixedly connected with the left side of the inside of the cylinder body 1, the wire guide rod 14 is fixedly connected with four sides of the right side of the fixing ring 11, the reset spring 15 is sleeved on the wire guide rod 14, the movable block 16 is movably connected with the wire guide rod 14 and is fixedly connected with the reset spring 15, the conical buffer ring 19 is fixedly connected with the movable block 16 through a connecting block 20 on one side of an outer wall, the right side of the inside of the cylinder cover 2 is provided with a bottom cavity 8, the bottom of the bottom cavity 8 is provided with an anti-collision mechanism 6, the anti-collision mechanism 6 comprises buffer gaskets 9 and buffer springs 10, the buffer gaskets 9 are provided with two buffer springs 10 which are fixedly connected between the buffer gaskets 9.

As shown in fig. 2-4, in this embodiment, in order to improve the safety of the oil cylinder in use through the buffer mechanism 5 and the anti-collision mechanism 6, a tapered ring 7 is fixedly mounted on the rod body of the piston rod 3 and located on the left side of the piston body 4 in a sleeved manner, the buffer spring 10 is fixedly mounted between the symmetrical buffer gaskets 9, the buffer gasket 9 on the left side is fixedly mounted on the inner bottom surface of the cavity of the bottom cavity 8, the fixed ring 11 is fixedly mounted on the left side wall inside the cylinder body 1, the four sides of the right end of the fixed ring 11 are respectively provided with a groove 12, the two sides of the inner wall of the groove 12 are respectively provided with a guide sliding chute 13, the groove of the groove 12 is fixedly provided with a wire guide 14, the rod body of the wire guide rod 14 is sleeved with a return spring 15, the outer end of the return spring 15 is fixedly mounted on the inner and outer side walls of the groove 12, the inner end of the return spring 15 is fixedly mounted with a movable block 16, the side wall of the movable block 16 is provided with a connecting hole 17, the movable block 16 is movably mounted on the wire guide rod 14 through the connecting hole 17, the two sides of the movable block 16 are respectively fixedly mounted with guide sliding blocks 18, the guide sliding block 18 is slidably mounted in the guide sliding chute 13, the tapered ring 19, the buffer sliding chute 19 is divided into four sides of the buffer sliding chute 19, the fixed ring, and the fixed block 20 is mounted on the fixed block 20, and the fixed on the fixed block 20, and equally divided into four equal parts of the fixed block 20;

the buffer mechanism 5 and the anticollision mechanism 6 are matched with the upper oil cylinder to be specifically operated as follows: after the oil cylinder body 1 is unloaded, the piston rod 3 will enter the oil cylinder body 1 quickly, when the piston rod 3 moves to a certain process, the bottom end part of the piston rod 3 will pass through the conical buffer ring 19 and the fixed ring 11, at this time, the conical ring 7 installed on the piston rod 3 will enter the groove divided into four equally divided conical buffer rings 19 and extrude the conical buffer rings 19, and the four equally divided conical buffer rings 19 will make the movable block 16 move in the groove 12 opened on the right side wall of the fixed ring 11 along the wire guide rod 14 through the connecting block 20 installed on the outer side wall, and in the moving process, the guide sliders 18 installed on both sides of the movable block 16 will slide in the guide chutes 13 opened on both sides in the groove 12, at this time, the return spring 15 sleeved on the wire guide rod 14 will be forced to retract, the four equally divided conical buffer rings 19 on the right side of the fixing ring 11 move towards the four sides, and the conical rings 7 are sunk between the conical buffer rings 19, so that the piston rod 3 is buffered through the displacement and deformation of the series of components under the action of the movement of the piston rod 3, meanwhile, after the piston rod 3 passes through the fixing ring 11 and enters the bottom cavity 8, the piston rod 3 is contacted with the buffer gaskets 9 in the bottom cavity 8, and the buffer springs 10 arranged between the buffer gaskets 9 deform, so that the piston rod 3 is prevented from being impacted in the cylinder body 1, and the buffer mechanisms 5 and the anti-collision mechanisms 6 are utilized to play a role in buffering protection on the cylinder body 1, and meanwhile, the safety degree of the cylinder in use is improved.

While the invention has been described in detail with reference to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

Claims (6)

1. The utility model provides an hydro-cylinder epicoele buffer, includes hydro-cylinder body (1), its characterized in that: the right side of the oil cylinder body (1) is fixedly connected with an oil cylinder cover (2), and the interior of the cylinder body (1) is movably connected with a piston rod (3), a piston body (4) is arranged on the piston rod (3), a buffer mechanism (5) is arranged on the left side in the cylinder body (1) of the oil cylinder, the buffer mechanism (5) comprises a fixed ring (11), a wire guide rod (14), a return spring (15), a movable block (16) and a conical buffer ring (19), the fixing ring (11) is fixedly connected to the left side of the interior of the oil cylinder body (1), and the wire guide rods (14) are fixedly connected with the four sides of the right side of the fixed ring (11), the reset spring (15) is sleeved on the wire guide rod (14), the movable block (16) is movably connected on the wire guide rod (14) and is fixedly connected with the reset spring (15), the conical buffer ring (19) is fixedly connected to the movable block (16) through a connecting block (20) at one side of the outer wall, a bottom cavity (8) is arranged at the right side in the cylinder cover (2), and the bottom of the bottom cavity (8) is provided with an anti-collision mechanism (6), the anti-collision mechanism (6) comprises two buffer gaskets (9) and two buffer springs (10), and the buffer spring (10) is fixedly connected between the buffer gaskets (9).

2. The cylinder upper chamber cushioning device of claim 1, wherein: and a conical ring (7) is fixedly arranged on the rod body of the piston rod (3) and positioned on the left side of the piston body (4) in a sleeving manner.

3. The cylinder upper chamber cushioning device of claim 2, wherein: the buffer springs (10) are fixedly arranged between the symmetrical buffer gaskets (9), and the buffer gasket (9) on the left side is fixedly arranged on the inner bottom surface of the bottom cavity (8).

4. The cylinder upper chamber cushioning device of claim 3, wherein: the oil cylinder is characterized in that a fixing ring (11) is fixedly mounted on the left side wall of the inside of the oil cylinder body (1), four sides of the right end of the fixing ring (11) are respectively provided with a groove (12), guide sliding grooves (13) are respectively formed in two sides of the inner wall of the groove (12), a guide wire rod (14) is fixedly mounted in the groove of the groove (12), a reset spring (15) is sleeved on the rod body of the guide wire rod (14), and the outer end of the reset spring (15) is fixedly mounted on the end wall of the inner side and the outer side of the groove (12).

5. The cylinder upper chamber buffer device according to claim 4, wherein: the inner fixed mounting of reset spring (15) has movable block (16), and has seted up connecting hole (17) on the lateral wall of movable block (16), movable block (16) pass through connecting hole (17) movable mounting on wire pole (14), and the both sides of movable block (16) still respectively fixed mounting have guide slider (18), guide slider (18) slidable mounting is in direction spout (13).

6. The cylinder upper chamber cushioning device of claim 5, wherein: the conical buffer ring (19) is divided into four equal parts, a connecting block (20) is fixedly mounted on the outer side wall of the conical buffer ring (19), and the connecting block (20) is fixedly mounted on the right side wall of the movable block (16).

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