CN207634428U - A kind of hydraulic cylinder with cushion performance - Google Patents

A kind of hydraulic cylinder with cushion performance Download PDF

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Publication number
CN207634428U
CN207634428U CN201721477211.XU CN201721477211U CN207634428U CN 207634428 U CN207634428 U CN 207634428U CN 201721477211 U CN201721477211 U CN 201721477211U CN 207634428 U CN207634428 U CN 207634428U
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CN
China
Prior art keywords
fixed
piston
cylinder
plate
pressure ring
Prior art date
Application number
CN201721477211.XU
Other languages
Chinese (zh)
Inventor
梁伯明
Original Assignee
新昌县大市聚镇伯凡机械厂
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Publication date
Application filed by 新昌县大市聚镇伯凡机械厂 filed Critical 新昌县大市聚镇伯凡机械厂
Priority to CN201721477211.XU priority Critical patent/CN207634428U/en
Application granted granted Critical
Publication of CN207634428U publication Critical patent/CN207634428U/en

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Abstract

The utility model discloses a kind of hydraulic cylinders with cushion performance, including cylinder cap, it is fixed with cylinder barrel at the top of the cylinder cap, and the both sides of cylinder cap are fixed with symmetrically arranged fixed block, the inside sliding sleeve of the cylinder barrel is connected to push jack and piston, and piston is located at the top of push jack, side of the piston far from push jack is fixed with piston rod, and the one end of piston rod far from piston is fixed with connecting plate, connecting plate is located at the top of cylinder barrel, guide pipe is fixed at the top of the fixed block.The utility model is by connecting plate, telescopic rod, the second pressure, guide pipe, the first pressure ring and spring is isostructural is used cooperatively, can from outside to the movement of piston rod into row buffering, piston rod is avoided directly to be collided with cylinder cap, and the case where causing cylinder cap to damage, the service life of hydraulic cylinder can be extended, and into row buffering by the way of external buffer, it is convenient that buffer unit is replaced, using flexible.

Description

A kind of hydraulic cylinder with cushion performance

Technical field

The utility model is related to hydraulic cylinder technical field more particularly to a kind of hydraulic cylinders with cushion performance.

Background technology

Hydraulic cylinder is the hydraulic actuator that hydraulic energy is changed into mechanical energy, does straight reciprocating motion.The letter of its structure Single, reliable operation.Deceleration device when realizing reciprocating motion, can be removed from it, and do not have drive gap, stable movement, because This is used widely in the hydraulic system of various machineries.Hydraulic cylinder power output and piston effective area and its pressure difference on both sides It is directly proportional;Hydraulic cylinder is substantially made of cylinder barrel and cylinder cap, piston and piston rod, sealing device, buffer unit and exhaust apparatus. For buffer unit with exhaust apparatus depending on concrete application occasion, other devices are then essential.

Hydraulic cylinder is after use, during piston rod is retracted, is very easy to be collided with cylinder cap, so as to cause Cylinder cap damages, for this purpose, existing hydraulic cylinder is generally being internally provided with buffer unit, however, buffer unit is arranged in inside, once damage It is bad, it has not been convenient to repair, influence service life.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed has resiliency The hydraulic cylinder of energy.

To achieve the goals above, the utility model uses following technical solution:

A kind of hydraulic cylinder with cushion performance, including cylinder cap, the cylinder cap top are fixed with cylinder barrel, and the two of cylinder cap Side is fixed with symmetrically arranged fixed block, and the inside sliding sleeve of the cylinder barrel is connected to push jack and piston, and piston is located at push jack Top, side of the piston far from push jack is fixed with piston rod, and the one end of piston rod far from piston is fixed with connecting plate, even Fishplate bar is located at the top of cylinder barrel, guide pipe is fixed at the top of the fixed block, and the inside sliding sleeve of guide pipe is connected to up and down The equal sliding sleeve in inside of the second pressure ring and the first pressure ring being arranged, second pressure ring and the first pressure ring is connected to guide rod, and leads It is fixed to one end of bar with fixed block, the side of second pressure ring far from the first pressure ring is fixed with telescopic rod, and telescopic rod is slided The dynamic outside for being socketed in guide rod.

Preferably, the spring being socketed on the outside of the guide rod on the inside of guide pipe, one end of spring and the first pressure The bottom of ring is fixed, and the other end of spring is fixed with fixed block.

Preferably, sealing element is fixed on the inside of the cylinder barrel, and sealing element is located at the top of piston, and sealing element and work Be equipped between plug and cylinder barrel inside the first fuel feed hole for be connected to, and cylinder cap is equipped with the second fuel feed hole being connected to cylinder barrel inside.

Preferably, the piston is equipped with T-slot close to the side of push jack, and sliding sleeve is connected to T-shaped block, and T shapes in T-slot One end of block is fixed with piston, and the closed-loop between push jack and piston is socketed on the outside of T-shaped block.

Preferably, the guide pipe is equipped with the through-hole being adapted to telescopic rod size, and telescopic rod close to one end of connecting plate It is slidably socketed in through-hole, and telescopic rod is fixed close to one end of connecting plate with connecting plate.

Preferably, it is fixed with fixed ring at the top of the connecting plate.

It is isostructural by connecting plate, telescopic rod, the second pressure ring, guide pipe, the first pressure ring and spring in the utility model Be used cooperatively, can from outside to the movement of piston rod into row buffering, avoid piston rod from directly being collided with cylinder cap, and lead to cylinder cap The case where damage, occurs, and can extend the service life of hydraulic cylinder, and into row buffering, buffer part by the way of external buffer It is convenient that part is replaced, using flexible;When the second fuel feed hole oil inlet of cylinder cap, can take the lead in pushing push jack, and make push jack and piston pair Closed-loop is squeezed, so that closing annular strain expansion can improve the closure of piston to be sealed to cylinder barrel Can, using flexible.

Description of the drawings

Fig. 1 be the utility model proposes a kind of hydraulic cylinder with cushion performance structural schematic diagram;

Fig. 2 be the utility model proposes a kind of hydraulic cylinder with cushion performance guide pipe internal structure illustrate Figure.

In figure:1 cylinder cap, 2 cylinder barrels, 3 piston rods, 4 push jacks, 5 pistons, 6T shapes block, 7 closed-loops, 8 fixed blocks, 9 guide pipes, 10 sealing elements, 11 guide rods, 12 springs, 13 first pressure rings, 14 second pressure rings, 15 telescopic rods, 16 connecting plates.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-2, a kind of hydraulic cylinder with cushion performance, including cylinder cap 1,1 top of cylinder cap are fixed with cylinder barrel 2, And the both sides of cylinder cap 1 are fixed with symmetrically arranged fixed block 8, the inside sliding sleeve of cylinder barrel 2 is connected to push jack 4 and piston 5, and piston 5 are located at the top of push jack 4, and side of the piston 5 far from push jack 4 is fixed with piston rod 3, and the one end of piston rod 3 far from piston 5 is solid There are connecting plate 16, connecting plate 16 to be located at the top of cylinder barrel 2, the top of fixed block 8 is fixed with guide pipe 9, and guide pipe 9 is interior surely Slideslip is socketed with the second pressure ring 14 and the first pressure ring 13 setting up and down, and the inside of the second pressure ring 14 and the first pressure ring 13 is sliding It is dynamic to be socketed with guide rod 11, and one end of guide rod 11 is fixed with fixed block 8, side of second pressure ring 14 far from the first pressure ring 13 It is fixed with telescopic rod 15, and telescopic rod 15 is slidably socketed in the outside of guide rod 11, the outside of guide rod 11 is socketed with to be located at and lead To the spring 12 of 9 inside of pipe, one end of spring 12 and the bottom of the first pressure ring 13 are fixed, and the other end and fixed block of spring 12 8 fix, and the inside of cylinder barrel 2 is fixed with sealing element 10, and sealing element 10 is located at the top of piston 5, and sealing element 10 and piston 5 it Between be equipped with the first fuel feed hole be connected to the inside of cylinder barrel 2, and cylinder cap 1 is equipped with the second fuel feed hole being connected to inside cylinder barrel 2, piston 5 are equipped with T-slot close to the side of push jack 4, and sliding sleeve is connected to T-shaped block 6 in T-slot, and one end of T-shaped block 6 and piston 5 are solid It is fixed, and the outside of T-shaped block 6 is socketed with the closed-loop 7 between push jack 4 and piston 5, guide pipe 9 close to connecting plate 16 one End is equipped with the through-hole being adapted to 15 size of telescopic rod, and telescopic rod 15 is slidably socketed in through-hole, and telescopic rod 15 is close to connection One end of plate 16 is fixed with connecting plate 16, and the top of connecting plate 16 is fixed with fixed ring.

Operation principle:In the utility model, for piston rod 3 in return, connecting plate 16 drives telescopic rod 15 and the second pressure ring 14 will squeeze spring 12 when 13 time of contact of the second pressure ring 14 and the first pressure ring in the interior Slideslip of guide pipe 9, and spring 12 is right The movement of second pressure ring 14 is into row buffering, to indirectly to piston rod 3 into row buffering, piston rod 3 be avoided directly to be touched with cylinder cap 1 The case where hitting, and cylinder cap 1 caused to damage, to extend the service life of hydraulic cylinder, using flexible, when the of cylinder cap 1 It when two fuel feed hole oil inlets, can take the lead in pushing push jack 4, and push jack 4 is made to squeeze closed-loop 7 with piston 5, so that closing The deformation expansion of ring 7 can improve the closed performance of piston 5, using flexible to be sealed to cylinder barrel 2.

The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of hydraulic cylinder with cushion performance, including cylinder cap (1), which is characterized in that be fixed at the top of the cylinder cap (1) Cylinder barrel (2), and the both sides of cylinder cap (1) are fixed with symmetrically arranged fixed block (8), the inside sliding sleeve of the cylinder barrel (2) is connected to Push jack (4) and piston (5), and piston (5) is located at the top of push jack (4), side of the piston (5) far from push jack (4) is fixed There is piston rod (3), and the one end of piston rod (3) far from piston (5) is fixed with connecting plate (16), connecting plate (16) is located at cylinder barrel (2) top is fixed with guide pipe (9) at the top of the fixed block (8), and the inside sliding sleeve of guide pipe (9) is connected to up and down The second pressure ring (14) and the first pressure ring (13) being arranged, the equal sliding sleeve in inside of second pressure ring (14) and the first pressure ring (13) It is connected to guide rod (11), and one end of guide rod (11) is fixed with fixed block (8), second pressure ring (14) is far from the first pressure ring (13) side is fixed with telescopic rod (15), and telescopic rod (15) is slidably socketed in the outside of guide rod (11).
2. a kind of hydraulic cylinder with cushion performance according to claim 1, which is characterized in that the guide rod (11) Outside be socketed with the spring (12) on the inside of guide pipe (9), one end of spring (12) is solid with the bottom of the first pressure ring (13) It is fixed, and the other end of spring (12) and fixed block (8) are fixed.
3. a kind of hydraulic cylinder with cushion performance according to claim 1, which is characterized in that the cylinder barrel (2) Inside is fixed with sealing element (10), and sealing element (10) is located at the top of piston (5), and between sealing element (10) and piston (5) Equipped with the first fuel feed hole being connected to cylinder barrel (2) inside, and cylinder cap (1) is equipped with and internal the second fuel feed hole being connected to of cylinder barrel (2).
4. a kind of hydraulic cylinder with cushion performance according to claim 1, which is characterized in that the piston (5) is leaned on The side of nearly push jack (4) is equipped with T-slot, and sliding sleeve is connected to T-shaped block (6), and one end of T-shaped block (6) and piston in T-slot (5) fixed, and the closed-loop (7) being socketed on the outside of T-shaped block (6) between push jack (4) and piston (5).
5. a kind of hydraulic cylinder with cushion performance according to claim 1, which is characterized in that the guide pipe (9) The through-hole being adapted to telescopic rod (15) size is equipped with close to one end of connecting plate (16), and telescopic rod (15) is slidably socketed in through-hole It is interior, and telescopic rod (15) is fixed with connecting plate (16) close to one end of connecting plate (16).
6. a kind of hydraulic cylinder with cushion performance according to claim 1, which is characterized in that the connecting plate (16) Top be fixed with fixed ring.
CN201721477211.XU 2017-11-08 2017-11-08 A kind of hydraulic cylinder with cushion performance CN207634428U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721477211.XU CN207634428U (en) 2017-11-08 2017-11-08 A kind of hydraulic cylinder with cushion performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721477211.XU CN207634428U (en) 2017-11-08 2017-11-08 A kind of hydraulic cylinder with cushion performance

Publications (1)

Publication Number Publication Date
CN207634428U true CN207634428U (en) 2018-07-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721477211.XU CN207634428U (en) 2017-11-08 2017-11-08 A kind of hydraulic cylinder with cushion performance

Country Status (1)

Country Link
CN (1) CN207634428U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109026910A (en) * 2018-08-23 2018-12-18 扬州龙鑫机械有限公司 A kind of gate hydraulic headstock gear hydraulic cylinder
CN109595218A (en) * 2019-01-04 2019-04-09 安徽五洋机床制造有限公司 A kind of multi-parallel oil cylinder and its application method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109026910A (en) * 2018-08-23 2018-12-18 扬州龙鑫机械有限公司 A kind of gate hydraulic headstock gear hydraulic cylinder
CN109595218A (en) * 2019-01-04 2019-04-09 安徽五洋机床制造有限公司 A kind of multi-parallel oil cylinder and its application method

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GR01 Patent grant
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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180720

Termination date: 20181108