CN220600134U - Low-temperature-resistant high-pressure oil cylinder - Google Patents

Abstract

The utility model discloses a low-temperature-resistant high-pressure oil cylinder, which relates to the technical field of hydraulic oil cylinders and comprises a main body and a buffer mechanism, wherein the buffer mechanism is arranged in the main body and comprises a groove body, the groove body is arranged in the main body, and a damper is fixedly connected in the groove body.

Description

Low-temperature-resistant high-pressure oil cylinder

Technical Field

The utility model relates to the technical field of hydraulic cylinders, in particular to a low-temperature-resistant high-pressure cylinder.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion. The hydraulic cylinder has simple structure and reliable operation, can avoid a speed reducer when being used for realizing reciprocating motion, has no transmission clearance and stable motion, thus being widely applied to hydraulic systems of various machines and being used for buffering the cylinder.

At present, a low-temperature hydraulic cylinder is disclosed in patent publication No. CN212536308U, which comprises the following components: cylinder body and piston rod, piston rod and cylinder body sliding connection, the equal fixedly connected with fixed block of one end that piston rod and cylinder body are on the back of the body mutually, the storage groove has been seted up to the one end that the cylinder body was kept away from to the fixed block, fixedly connected with fixed plate on the fixed block, set up the movable hole that is linked together with storage groove on the fixed block, the fixed hole has been seted up with the movable hole symmetry on the fixed plate, be equipped with the connecting block in the storage groove, the one end fixedly connected with solid fixed ring of piston rod is kept away from to the connecting block, push plate hole has been seted up to symmetry on the cell wall that the storage groove is in the opposite directions, symmetrical fixedly connected with push pedal on the connecting block. The utility model ensures that both ends of the hydraulic oil cylinder can be hinged with the connecting piece and fixedly connected with the connecting piece, so that the application range of the hydraulic oil cylinder is enlarged, and the application requirements of users can be met.

Aiming at the related technology, when the existing low-temperature-resistant high-pressure oil cylinder works, when the oil cylinder is impacted by high pressure, most of the low-temperature-resistant high-pressure oil cylinder works by buffering through the buffer sleeve on the piston, and the buffering effect is common, so that the piston generates a certain impact force on the cylinder bottom, the bottom of the oil cylinder is worn, and the service life of the low-temperature-resistant high-pressure oil cylinder is shortened.

Disclosure of Invention

The utility model aims to provide a low-temperature-resistant high-pressure oil cylinder, which can solve the problem that the low-temperature-resistant high-pressure oil cylinder in the background art can buffer a piston rod through the work of a buffer mechanism in the use process, so that the friction between a piston body and a main body is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the low-temperature-resistant high-pressure oil cylinder comprises a main body and a buffer mechanism, wherein the buffer mechanism is arranged in the main body;

the buffer mechanism comprises a groove body, the groove body is arranged in the main body, a damper is fixedly connected to the inside of the groove body, a spring is mounted on the outer wall of the damper in a matched mode, and a buffer plate is fixedly connected to the top of the spring.

Preferably, the inner wall of the groove body is movably connected with a piston body, and the outer wall of the piston body is provided with a first limit groove.

Preferably, the inner wall of the first limit groove is movably connected with a roller, one side of the roller is fixedly connected with a rotary rod, and the top of the piston body is fixedly connected with a piston rod.

Preferably, the inner wall of the main body is provided with a second limiting groove, and the inner wall of the second limiting groove is connected with a first sealing ring in an adhesive mode.

Preferably, the outer wall of the main body is provided with a filtering mechanism, the filtering mechanism comprises a filter box, a chute is formed in the filter box, and a sliding rail is movably connected with the inner wall of the chute.

Preferably, the bottom of slide rail fixedly connected with filter screen, the front fixedly connected with handle of filter screen, the outer wall fixedly connected with oil inlet of rose box.

Preferably, the front surface of the filter box is provided with a first threaded hole, the front surface of the filter screen is provided with a second threaded hole, and the inner wall of the second threaded hole is in threaded connection with a screw.

Preferably, the outer wall of the main body is fixedly connected with an exhaust pipe, and the front surface of the filter box is connected with a second sealing ring in an adhesive manner.

Compared with the prior art, the utility model has the beneficial effects that:

1. through buffer gear's setting, can effectually cushion effect to piston body and piston rod, thereby make piston body and piston rod can not receive powerful impact, work through between the zizania, spring and the buffer board, can play and carry out absorbing effect to the piston body, thereby the impact force has been reduced by a wide margin, secondly through the work of gyro wheel, can effectually carry out spacing effect to the piston body, make the piston body be difficult for taking place the skew in the inside of main part, then work through first sealing washer, can effectually carry out sealed effect to the main part, avoided the piston rod to drive oil outwards to spill over in the ejecting in the twinkling of an eye.

2. Through filtering mechanism's setting, can effectually filter the impurity of oil, through the work of filter screen, slide rail and spout, can play and carry out filterable effect to oil, make the impurity in the oil unable inside of carrying out the main part, secondly through the work of first screw hole, second screw hole, screw and second sealing washer, can play the effect sealed to the rose box.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic diagram of a buffer mechanism according to the present utility model;

FIG. 3 is a schematic diagram of a filtering mechanism according to the present utility model;

FIG. 4 is an enlarged view of the structure of FIG. 1A according to the present utility model;

fig. 5 is an enlarged view of the structure of fig. 3B according to the present utility model.

In the figure: 1. a main body; 2. a buffer mechanism; 201. a tank body; 202. a damper; 203. a spring; 204. a buffer plate; 205. a piston body; 206. a first limit groove; 207. a roller; 208. a rotating rod; 209. a piston rod; 210. the second limit groove; 211. a first seal ring; 3. a filtering mechanism; 301. a filter box; 302. a chute; 303. a slide rail; 304. a filter screen; 305. a handle; 306. an oil inlet; 307. a first threaded hole; 308. a second threaded hole; 309. a screw; 310. an exhaust pipe; 311. and a second sealing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, fig. 2 and fig. 4, a low temperature resistant high pressure cylinder is shown in the drawings, comprising a main body 1 and a buffer mechanism 2, and is characterized in that: the inside of main part 1 is provided with buffer gear 2, buffer gear 2 includes cell body 201, cell body 201 has been seted up to the inside of main part 1, the inside fixedly connected with attenuator 202 of cell body 201, spring 203 is installed in the outer wall cooperation of attenuator 202, the top fixedly connected with buffer plate 204 of spring 203, the inner wall swing joint of cell body 201 has piston body 205, first spacing groove 206 has been seted up to the outer wall of piston body 205, the inner wall swing joint of first spacing groove 206 has gyro wheel 207, one side fixedly connected with rotary rod 208 of gyro wheel 207, the top fixedly connected with piston rod 209 of piston body 205, second spacing groove 210 has been seted up to the inner wall of main part 1, the inner wall adhesive connection of second spacing groove 210 has first sealing washer 211.

Working principle of buffering the piston: first seal circle 211 is glued at the inner wall of second spacing groove 210 with glue at first, when piston rod 209 receives the impact, piston rod 209 can drive buffer plate 204, attenuator 202 and spring 203 and push down, and piston body 205 can drive gyro wheel 207 and slide down simultaneously to carry out the shock attenuation to piston rod 209, make piston rod 209 receive impact force to reduce, reduced simultaneously the friction between piston body 205 and the main part 1, thereby played effectual guarantee to the buffering of piston body 205.

Example 2

Referring to fig. 1 and 3, in the illustration, the filtering mechanism 3 includes a mounting block 301, the outer wall of the main body 1 is provided with the filtering mechanism 3, the filtering mechanism 3 includes a filtering box 301, a chute 302 is provided in the filtering box 301, an inner wall of the chute 302 is movably connected with a sliding rail 303, a filter screen 304 is fixedly connected with the bottom of the sliding rail 303, a handle 305 is fixedly connected with the front face of the filter screen 304, an oil inlet 306 is fixedly connected with the outer wall of the filtering box 301, a first threaded hole 307 is provided with the front face of the filtering box 301, a second threaded hole 308 is provided with the front face of the filter screen 304, a screw 309 is connected with the inner wall of the second threaded hole 308, an exhaust pipe 310 is fixedly connected with the outer wall of the main body 1, and a second sealing ring 311 is connected with the front face of the filtering box 301 in an adhesive manner.

In this embodiment: when the oil is filtered, the second sealing ring 311 is firstly adhered to the front surface of the filter box 301 by glue, at this time, the sliding rail 303 slides into the inner wall of the sliding groove 302, the filter screen 304 enters the filter box 301, at this time, the first threaded hole 307 is aligned with the second threaded hole 308, then the screw 309 is screwed into the first threaded hole 307 and the second threaded hole 308 clockwise, the filter box 301 is sealed, and when the oil enters the main body 1 through the filter screen 304, the oil is filtered by the filter screen 304, so that the filtering of stains in the oil is effectively ensured.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes-modifications-substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a high pressure hydro-cylinder of low temperature resistant, includes main part (1) and buffer gear (2), its characterized in that: a buffer mechanism (2) is arranged in the main body (1);

the buffer mechanism (2) comprises a groove body (201), the groove body (201) is arranged in the main body (1), a damper (202) is fixedly connected to the inside of the groove body (201), a spring (203) is mounted on the outer wall of the damper (202) in a matched mode, and a buffer plate (204) is fixedly connected to the top of the spring (203).

2. The low temperature resistant high pressure ram of claim 1, wherein: the inner wall swing joint of cell body (201) has piston body (205), first spacing groove (206) have been seted up to the outer wall of piston body (205).

3. The low temperature resistant high pressure ram of claim 2, wherein: the inner wall swing joint of first spacing groove (206) has gyro wheel (207), one side fixedly connected with rotary rod (208) of gyro wheel (207), the top fixedly connected with piston rod (209) of piston body (205).

4. The low temperature resistant high pressure ram of claim 1, wherein: the inner wall of the main body (1) is provided with a second limit groove (210), and the inner wall of the second limit groove (210) is connected with a first sealing ring (211) in an adhesive mode.

5. The low temperature resistant high pressure ram of claim 1, wherein: the outer wall of main part (1) is provided with filtering mechanism (3), filtering mechanism (3) are including filter cabinet (301), spout (302) have been seted up to the inside of filter cabinet (301), the inner wall swing joint of spout (302) has slide rail (303).

6. The low temperature resistant high pressure ram of claim 5, wherein: the bottom fixedly connected with filter screen (304) of slide rail (303), the front fixedly connected with handle (305) of filter screen (304), the outer wall fixedly connected with oil inlet (306) of rose box (301).

7. The low temperature resistant high pressure ram of claim 6, wherein: the front of filter box (301) has seted up first screw hole (307), the front of filter screen (304) has seted up second screw hole (308), the inner wall threaded connection of second screw hole (308) has screw (309).

8. The low temperature resistant high pressure ram of claim 5, wherein: the outer wall of the main body (1) is fixedly connected with an exhaust pipe (310), and the front surface of the filter box (301) is connected with a second sealing ring (311) in an adhesive mode.