阅读说明：本技术 一种汽车液压缸 (Automobile hydraulic cylinder ) 是由 李文标 于 2019-10-18 设计创作，主要内容包括：本发明公开了一种汽车液压缸,其结构包括液压缸、液压杆、管接头、衬套,液压缸由缸体、滑槽、底缸缓冲座、信号报警器、定位开关组成,液压缸利用活塞杆内的弹簧配合弧形顶条解决液压缸在高速做活塞运动时活塞与缸体内壁摩擦过快,常常会导致缸内的油温过高,在热胀冷缩下长期以往会导致缸体的密封性变差的问题,压板利用除污机构将表面上的油垢往外推送,使得油垢被挡圈上的纳污槽收纳起来,液压缸通过定位开关配合信号报警器来警示,液压缸密封有外渗或外泄的问题,避免液压缸的使用出现意外事故发生,提高了安全性能。(The invention discloses an automobile hydraulic cylinder, which structurally comprises a hydraulic cylinder, a hydraulic rod, a pipe joint and a bushing, wherein the hydraulic cylinder consists of a cylinder body, a sliding groove, a bottom cylinder buffer seat, a signal alarm and a positioning switch, a spring in a piston rod is matched with an arc-shaped top strip to solve the problems that when the hydraulic cylinder does piston movement at high speed, the friction between a piston and the inner wall of the cylinder body is too fast, the oil temperature in the cylinder is often too high, and the sealing performance of the cylinder body is deteriorated for a long time under the condition of expansion with heat and contraction with cold, a pressing plate pushes oil dirt on the surface outwards by using a dirt removing mechanism, so that the oil dirt is contained in a dirt containing groove on a retaining ring, the hydraulic cylinder is warned by matching the positioning switch with the signal alarm, the problem of leakage or leakage of the hydraulic cylinder seal is solved, the occurrence of an.)

1. The utility model provides an automobile hydraulic cylinder, its structure includes pneumatic cylinder (1), hydraulic stem (2), coupling (3), bush (4), pneumatic cylinder (1) one serve and be equipped with hydraulic stem (2), pneumatic cylinder (1) and hydraulic stem (2) sliding fit, pneumatic cylinder (1) other end on be equipped with bush (4), pneumatic cylinder (1) and bush (4) fixed connection, pneumatic cylinder (1) on the surface be equipped with two couplings (3) side by side, pneumatic cylinder (1) and coupling (3) structure as an organic whole, its characterized in that:

pneumatic cylinder (1) constitute by cylinder body (1 a), spout (1 b), end jar cushion socket (1 c), signal alarm (1 d), positioning switch (1 e), cylinder body (1 a) inner wall on be equipped with spout (1 b), the inside bottom of cylinder body (1 a) be equipped with end jar cushion socket (1 c), cylinder body (1 a) and end jar cushion socket (1 c) fixed connection, end jar cushion socket (1 c) bottom below be equipped with positioning switch (1 e), cylinder body (1 a) and positioning switch (1 e) be connected, cylinder body (1 a) install signal alarm (1 d) on the surface.

2. The hydraulic cylinder for automobiles of claim 1, wherein: hydraulic stem (2) constitute by piston rod (2 a), clamp plate (2 b), piston (2 c), buffering plunger (2 d), piston rod (2 a) bottom on be equipped with buffering plunger (2 d), piston rod (2 a) and buffering plunger (2 d) mechanical connection, piston rod (2 a) bottom on the surface be equipped with piston (2 c), piston rod (2 a) and piston (2 c) adopt interference fit, piston (2 c) all be equipped with clamp plate (2 b) from top to bottom, piston (2 c) and clamp plate (2 b) fixed connection.

3. The hydraulic cylinder for automobiles of claim 2, wherein: clamp plate (2 b) including scrubbing mechanism (2 b 1), ejector pin (2 b 2), slide bar (2 b 3), clamp plate (2 b) distribute on the surface equidistantly and be equipped with three scrubbing mechanism (2 b 1), clamp plate (2 b) and scrubbing mechanism (2 b 1) adopt clearance fit, clamp plate (2 b) bottom have ejector pin (2 b 2), clamp plate (2 b) and ejector pin (2 b 2) through the electric welding, ejector pin (2 b 2) install slide bar (2 b 3) on the surface.

4. A hydraulic cylinder for vehicles as defined in claim 3 wherein: scrubbing mechanism (2 b 1) constitute by rotary disk (2 b 11), impeller piece (2 b 12), pivot (2 b 13), rotary disk (2 b 11) bottom intermediate position on be equipped with pivot (2 b 13), rotary disk (2 b 11) and pivot (2 b 13) fixed connection, rotary disk (2 b 11) top surface on the equidistance distribution be equipped with five impeller pieces (2 b 12), rotary disk (2 b 11) and impeller piece (2 b 12) be the integrated structure.

5. The hydraulic cylinder for automobiles of claim 2, wherein: piston (2 c) include sealing washer (2 c 1), solid fixed ring (2 c 2), retaining ring (2 c 3), receive dirty groove (2 c 4), peripheral intermediate position of piston (2 c) on be equipped with sealing washer (2 c 1), piston (2 c) and sealing washer (2 c 1) swing joint, piston (2 c) periphery about both ends all be equipped with retaining ring (2 c 3), piston (2 c) and retaining ring (2 c 3) glue and connect, retaining ring (2 c 3) be equipped with more than two on the surface and receive dirty groove (2 c 4), piston (2 c) internally mounted have solid fixed ring (2 c 2).

6. The hydraulic cylinder for automobiles of claim 5, wherein: solid fixed ring (2 c 2) include spring (2 c 21), arc top strip (2 c 22), gu fixed ring (2 c 2) on the surface equidistance distribute be equipped with five arc top strips (2 c 22), gu fixed ring (2 c 2) and arc top strip (2 c 22) one end adopt clearance fit, arc top strip (2 c 22) other end and solid fixed ring (2 c 2) be connected through spring (2 c 21).

Technical Field

The invention relates to the field of hydraulic equipment, in particular to an automobile hydraulic cylinder.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). The hydraulic cylinder in the automobile is one of indispensable executive component, and the hydraulic cylinder in the automobile often can lead to the too high oil temperature in the jar with jar internal friction too fast when doing piston motion at a high speed, can lead to the leakproofness variation of cylinder body in the past for a long time under expend with heat and contract with cold, influences the life of automobile to in case there is the exosmosis or leaks in piston rod and the sealed of uide bushing, can lead to the use of pneumatic cylinder to appear the accident and take place.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the automobile hydraulic cylinder structurally comprises a hydraulic cylinder, a hydraulic rod, pipe joints and a bush, wherein the hydraulic rod is arranged at one end of the hydraulic cylinder, the hydraulic cylinder is in sliding fit with the hydraulic rod, the bush is arranged at the other end of the hydraulic cylinder, the hydraulic cylinder is fixedly connected with the bush, the two pipe joints are arranged on the surface of the hydraulic cylinder in parallel, and the hydraulic cylinder and the pipe joints are of an integrated structure;

the pneumatic cylinder constitute by cylinder body, spout, end jar cushion socket, signal alarm, positioning switch, the cylinder body inner wall on be equipped with the spout, the inside bottom of cylinder body be equipped with end jar cushion socket, cylinder body and end jar cushion socket fixed connection, end jar cushion socket bottom below be equipped with positioning switch, cylinder body and positioning switch be connected, the cylinder body install signal alarm on the surface.

As a further optimization of the technical scheme, the hydraulic rod consists of a piston rod, a pressing plate, a piston and a buffering plunger, the buffering plunger is arranged at the bottom end of the piston rod, the piston rod is mechanically connected with the buffering plunger, the piston is arranged on the surface of the bottom end of the piston rod, the piston rod and the piston are in interference fit, the pressing plate is arranged on the piston vertically, and the piston is fixedly connected with the pressing plate.

As a further optimization of the technical scheme, the pressing plate comprises a decontamination mechanism, a push rod and a slide rod, wherein the three decontamination mechanisms are distributed on the surface of the pressing plate at equal intervals, the pressing plate and the decontamination mechanism are in clearance fit, the push rod is arranged under the bottom end of the pressing plate, the pressing plate and the push rod are welded through electric welding, and the slide rod is installed on the surface of the push rod.

As a further optimization of the technical scheme, the decontamination mechanism consists of a rotating disk, impeller blades and a rotating shaft, the rotating shaft is arranged in the middle of the bottom end of the rotating disk, the rotating disk is fixedly connected with the rotating shaft, five impeller blades are distributed on the surface of the top end of the rotating disk at equal intervals, and the rotating disk and the impeller blades are of an integrated structure.

As a further optimization of this technical scheme, the piston include sealing washer, solid fixed ring, retaining ring, receive dirty groove, the peripheral intermediate position of piston on be equipped with the sealing washer, piston and sealing washer swing joint, the peripheral upper and lower both ends of piston all be equipped with the retaining ring, piston and retaining ring glue and connect, the retaining ring on the surface be equipped with more than two and receive dirty groove, piston internally mounted have solid fixed ring.

As the further optimization of this technical scheme, solid fixed ring include spring, arc top strip, solid fixed ring on the surface equidistant distribution be equipped with five arc top strips, solid fixed ring and arc top strip one end adopt clearance fit, the arc top strip other end be connected through the spring with solid fixed ring.

As the further optimization of the technical scheme, the retainer ring and the sealing ring are parallel to each other and have the same diameter.

As a further optimization of the technical scheme, the ejector rod and the positioning switch are positioned on the same horizontal plane.

As a further optimization of the technical scheme, the arc-shaped top strip is attached to the inner side of the sealing ring.

As a further optimization of the technical scheme, the positioning switch is electrically connected with the signal alarm.

Advantageous effects

The invention relates to an automobile hydraulic cylinder, after the hydraulic cylinder is arranged on an automobile, when a piston rod can move up and down quickly during working, a sealing ring on the surface of the piston can rub with the inner wall of a cylinder body quickly, the sealing ring can expand with heat and contract with cold after a long time, so that the sealing performance is poor, one end of an arc-shaped top strip is extruded outwards through a spring on a fixing ring, so that the sealing ring can be extruded outwards for a long time, the service life of the sealing ring is maintained, the sealing performance of the piston is improved, when the piston drives a pressing plate to move back and forth, a rotating shaft on the pressing plate drives an impeller blade to drive a rotating disc to rotate by utilizing the impact force of hydraulic oil, when the impeller blade rotates, oil dirt on the surface of the pressing plate can be pushed away to the periphery, the oil dirt is contained through a dirt containing groove of a retaining ring, the phenomenon that the oil dirt is, the ejector pin sliding distance under the clamp plate can change, and when the piston rod passed through the piston and drives the clamp plate lapse to the bottom, the inside bottom of cylinder body can be impaled to the ejector pin under the clamp plate, and the ejector pin touches positioning switch, and positioning switch opens signal alarm through the wire and reminds the user to maintain the pneumatic cylinder, has improved the security performance of pneumatic cylinder.

Compared with the prior art, the invention has the beneficial effects that: the pneumatic cylinder utilizes the spring fit arc top strip in the piston rod to solve the pneumatic cylinder piston and cylinder body inner wall friction when piston motion is done at a high speed too fast, often can lead to the oil temperature in the jar too high, can lead to the problem of the leakproofness variation of cylinder body in the past under expend with heat and contract with cold for a long time, the clamp plate utilizes scrubbing mechanism to the past propelling movement of the oil dirt on the surface, make the oil dirt accomodate by receiving dirty groove on the retaining ring, the pneumatic cylinder warns through positioning switch cooperation signal alarm, the pneumatic cylinder is sealed has the problem of oozing or leaking, the accident emergence appears in the use of avoiding the pneumatic cylinder, and the safety performance is improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a hydraulic cylinder of an automobile according to the present invention.

FIG. 2 is a schematic cross-sectional static structure of a hydraulic cylinder for a vehicle according to the present invention.

Fig. 3 is a schematic structural diagram of a cross-sectional working state of the hydraulic cylinder of the automobile.

FIG. 4 is an enlarged view of A of FIG. 3 according to the present invention.

FIG. 5 is a schematic top view of the platen of the present invention.

Fig. 6 is a schematic structural view of the piston of the present invention.

Fig. 7 is a schematic structural view of the decontamination mechanism of the present invention.

In the figure: the device comprises a hydraulic cylinder-1, a hydraulic rod-2, a pipe joint-3, a bushing-4, a cylinder body-1 a, a sliding groove-1 b, a bottom cylinder buffer seat-1 c, a signal alarm-1 d, a positioning switch-1 e, a piston rod-2 a, a pressure plate-2 b, a piston-2 c, a buffer plunger-2 d, a decontamination mechanism-2 b1, a top rod-2 b2, a sliding rod-2 b3, a rotating disk-2 b11, an impeller blade-2 b12, a rotating shaft-2 b13, a sealing ring-2 c1, a fixing ring-2 c2, a check ring-2 c3, a dirt containing groove-2 c4, a spring-2 c21 and an arc-shaped top strip-2 c 22.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.