阅读说明：本技术 一种具有辅助缸体的防爆裂液压缸 (Anti-burst hydraulic cylinder with auxiliary cylinder body ) 是由 不公告发明人 于 2018-06-26 设计创作，主要内容包括：本发明提供一种具有辅助缸体的防爆裂液压缸,包括缸体,所述缸体的内壁的上部插接有活塞杆,所述活塞杆的底端外壁固定连接有密封圈,所述缸体的左侧面的中部固定连接有辅助缸,所述缸体的左侧面的中部固定连接油管的一端,所述油管的另一端固定连接所述辅助缸的右侧面的下端,油管连通缸体和辅助缸,本发明设计合理,使用便捷,当缸体内液压油压力大于缸体的最大承重压力时,油管自动开启,使液压油进入辅助缸内,从而降低缸体内的压力,保护液压缸,并且,可更具缸体的老化程度,手动调节油管的开启压力,从而适用范围较广,因此,适合广泛推广。(The invention provides an anti-burst hydraulic cylinder with an auxiliary cylinder body, which comprises a cylinder body, wherein a piston rod is inserted into the upper part of the inner wall of the cylinder body, a sealing ring is fixedly connected to the outer wall of the bottom end of the piston rod, an auxiliary cylinder is fixedly connected to the middle part of the left side surface of the cylinder body, one end of an oil pipe is fixedly connected to the middle part of the left side surface of the cylinder body, the other end of the oil pipe is fixedly connected to the lower end of the right side surface of the auxiliary cylinder, and the oil pipe is communicated with the cylinder body and the auxiliary cylinder.)

1. An anti-burst hydraulic cylinder with an auxiliary cylinder body comprises a cylinder body (1), and is characterized in that: the upper portion of the inner wall of the cylinder body (1) is inserted with a piston rod (2), the bottom outer wall of the piston rod (2) is fixedly connected with a sealing ring (4), the middle portion of the left side face of the cylinder body (1) is fixedly connected with an auxiliary cylinder (3), the middle portion of the left side face of the cylinder body (1) is fixedly connected with one end of an oil pipe (5), the other end of the oil pipe (5) is fixedly connected with the lower end of the right side face of the auxiliary cylinder (3), the lower portion of the inner wall of the cylinder body (1) is fixedly connected with a limiting ring (6), the lower portion of the inner wall of the cylinder body (1) is slidably connected with a piston (7), a first magnet (8) is embedded in the bottom surface of the piston (7), a screw cylinder (9) is fixedly connected with the lower end of the inner wall of the cylinder body (1), a screw rod (10) is screwed with the inner wall of, and the upper part of the cylinder body (1) is fixedly provided with a dustproof device (15).

2. The burst-proof hydraulic cylinder with an auxiliary cylinder body as claimed in claim 1, wherein: dust keeper (15) include upper cover ring (17) and dirt proof boot (16), the inner wall fixedly connected with dirt proof boot (16) of upper cover ring (17), the upper end inner wall of cylinder body (1) is pegged graft to the lower part of dirt proof boot (16), the outer wall of piston rod (2) is cup jointed in dirt proof boot (16), upper cover ring (17) are through screw rod fixed mounting in the upper end of cylinder body (1).

3. The burst-proof hydraulic cylinder with an auxiliary cylinder body as claimed in claim 1, wherein: the upper end fixedly connected with earrings (12) of piston rod (2), the inner wall fixedly connected with dust ring (14) of earrings (12).

4. The burst-proof hydraulic cylinder with an auxiliary cylinder body as claimed in claim 1, wherein: the left side and the right side of the upper portion inner wall of cylinder body (1) have all been seted up spout (18), the equal fixedly connected with spacing fixture block (19) of left end and the right-hand member of the lower part outer wall of piston rod (2), two the outer end of spacing fixture block (19) is two of sliding connection homonymy respectively the inner wall of spout (18).

5. The burst-proof hydraulic cylinder with an auxiliary cylinder body as claimed in claim 1, wherein: the upper end of the auxiliary cylinder (3) is fixedly connected with a gas injection pipe (20), and the upper end of the gas injection pipe (20) is fixedly connected with a switch (21).

6. The burst-proof hydraulic cylinder with an auxiliary cylinder body as claimed in claim 1, wherein: the bottom end of the screw rod (10) is fixedly connected with a rotary table (13).

Technical Field

The invention discloses an anti-burst hydraulic cylinder with an auxiliary cylinder body, and belongs to the technical field of hydraulic cylinders.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion or swinging motion, when the hydraulic cylinder is used, a proper hydraulic cylinder needs to be selected, if the pressure is too large and exceeds the allowable range of the cylinder body, an oil pipe, the oil cylinder or an overflow valve can burst, hydraulic oil overflows, the cylinder body is damaged, and normal production work is influenced, so the hydraulic cylinder is provided.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the anti-burst hydraulic cylinder with the auxiliary cylinder body to solve the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an anti-burst pneumatic cylinder with supplementary cylinder body, includes the cylinder body, it has the piston rod to peg graft on the upper portion of the inner wall of cylinder body, the bottom outer wall fixedly connected with sealing washer of piston rod, the middle part fixedly connected with supplementary jar of the left surface of cylinder body, the one end of the middle part fixed connection oil pipe of the left surface of cylinder body, the other end fixed connection of oil pipe the lower extreme of the right flank of supplementary jar, the lower part fixedly connected with spacing ring of the inner wall of cylinder body, the lower part sliding connection of the inner wall of cylinder body has the piston, the bottom surface of piston is inlayed and is had first magnet, the lower extreme fixedly connected with barrel of the inner wall of cylinder body, the inner wall spiro union of barrel has the screw rod, the upper end fixedly connected with second magnet of screw rod, the.

Further, dust keeper includes upper cover ring and dirt proof boot, the inner wall fixedly connected with dirt proof boot of upper cover ring, the upper end inner wall of the lower part grafting cylinder body of dirt proof boot, the outer wall of piston rod is cup jointed to the dirt proof boot, upper cover ring passes through screw rod fixed mounting in the upper end of cylinder body.

Furthermore, the upper end fixedly connected with earrings of piston rod, the inner wall fixedly connected with dust ring of earrings.

Furthermore, the left side and the right side of the upper portion inner wall of the cylinder body are both provided with a sliding groove, the left end and the right end of the lower portion outer wall of the piston rod are both fixedly connected with limiting clamping blocks, and the outer ends of the limiting clamping blocks are respectively connected with the inner walls of the sliding grooves at the same side in a sliding mode.

Further, the upper end of the auxiliary cylinder is fixedly connected with a gas injection pipe, and the upper end of the gas injection pipe is fixedly connected with a switch.

Further, the bottom end of the screw rod is fixedly connected with a rotary table.

The invention has the beneficial effects that: the invention relates to an anti-burst hydraulic cylinder with an auxiliary cylinder body, wherein a piston rod is inserted into the upper part of the inner wall of the cylinder body, a limit ring is fixedly connected to the lower part of the inner wall of the cylinder body, a piston is slidably connected to the lower part of the inner wall of the cylinder body, a first magnet is embedded in the bottom surface of the piston, a screw cylinder is fixedly connected to the lower end of the inner wall of the cylinder body, a screw rod is screwed on the inner wall of the screw cylinder, a second magnet is fixedly connected to the upper end of the screw rod, the first magnet and the second magnet are repelled, the position of the second magnet is adjusted, the repulsive force of the first magnet and the second magnet is equal to the maximum bearing pressure of the cylinder body, the piston blocks an oil pipe, when the oil pressure in the cylinder body is greater than the repulsive force of the first magnet and the second magnet, the oil pipe is opened, hydraulic oil enters, when the hydraulic oil pressure in the cylinder body is greater than the maximum bearing pressure of the cylinder body, the oil pipe is automatically opened, so that the hydraulic oil enters the auxiliary cylinder, the pressure in the cylinder body is reduced, the hydraulic cylinder is protected, the aging degree of the cylinder body can be better possessed, the opening pressure of the oil pipe is manually adjusted, and the application range is wider, so that the hydraulic cylinder is suitable for wide popularization.

Drawings

FIG. 1 is a front cross-sectional view of a burst-resistant hydraulic cylinder having an auxiliary cylinder body according to the present invention.

In the figure: 1 cylinder body, 2 piston rods, 3 auxiliary cylinders, 4 sealing rings, 5 oil pipes, 6 limiting rings, 7 pistons, 8 first magnets, 9 screw barrels, 10 screw rods, 11 second magnets, 12 earrings, 13 rotating discs, 14 dust-proof rings, 15 dust-proof devices, 16 dust-proof sleeves, 17 upper cover rings, 18 sliding grooves, 19 limiting clamping blocks, 20 gas injection pipes and 21 switches.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to the drawings, the present invention provides a technical solution: an anti-burst hydraulic cylinder with an auxiliary cylinder body comprises a cylinder body, wherein a piston rod is inserted into the upper portion of the inner wall of the cylinder body, a sealing ring is fixedly connected to the outer wall of the bottom end of the piston rod, an auxiliary cylinder is fixedly connected to the middle portion of the left side face of the cylinder body, one end of an oil pipe is fixedly connected to the middle portion of the left side face of the cylinder body, the other end of the oil pipe is fixedly connected to the lower end of the right side face of the auxiliary cylinder, the oil pipe is communicated with the cylinder body and the auxiliary cylinder, a limiting ring is fixedly connected to the lower portion of the inner wall of the cylinder body, the bottom face of the limiting ring is parallel to the inner wall of the upper end of the oil pipe, a piston is slidably connected to the lower portion of the inner wall of the cylinder body, the thickness of the piston is larger than the outer diameter length of the oil pipe, first magnet and second magnet are present strongest permanent magnet, neodymium iron boron powerful magnet, and magnetism, magnetic pole direction homogeneous phase are the same, and first magnet and second magnet are to repelling, make the bottom surface of the outer edge of the upper surface of piston closely laminating spacing ring, make the right-hand member that oil pipe was blocked up completely to the left surface of piston, the upper portion fixed mounting of cylinder body has dust keeper.

Particularly, for the upper portion that prevents the cylinder body gets into dust, dust keeper includes upper cover ring and dirt proof boot, and the dirt proof boot is made for the ebonite material, the inner wall fixedly connected with dirt proof boot of upper cover ring, the upper end inner wall of the lower part grafting cylinder body of dirt proof boot, the outer wall of piston rod is cup jointed to the dirt proof boot, the upper cover ring passes through screw rod fixed mounting in the upper end of cylinder body.

Specifically, in order to facilitate connection of the invention, an ear ring is fixedly connected to the upper end of the piston rod, and a dust ring is fixedly connected to the inner wall of the ear ring.

Particularly, in order to prevent the piston rod from rotating, the spout has all been seted up on the left side and the right side of the upper portion inner wall of cylinder body, and the spout is vertical square groove, the equal fixedly connected with of left end and the right-hand member of the lower part outer wall of piston rod spacing fixture block, two the outer end of spacing fixture block is two of sliding connection homonymy respectively the inner wall of spout.

Specifically, in order to facilitate gas injection, the upper end of the auxiliary cylinder is fixedly connected with a gas injection pipe, and the upper end of the gas injection pipe is fixedly connected with a switch.

Specifically, in order to facilitate rotation of the screw, a rotary table is fixedly connected to the bottom end of the screw.