CN219587886U - Novel reinforcement safety oil cylinder - Google Patents

Abstract

The utility model discloses a novel reinforcement safety oil cylinder, which comprises a cylinder barrel, wherein an oil cavity is formed in the lower position of the inner part of the cylinder barrel, a piston is movably arranged at the upper end of the oil cavity, a plurality of groups of inner counter bores are uniformly formed in the bottom of the piston, the upper end of the piston is fixedly connected with a piston rod, a tension ring is welded on the upper end face of the piston rod, a guide sleeve is arranged on the periphery of the inner side of the top of the cylinder barrel, the guide sleeve is fixedly arranged in a guide sleeve groove, the guide sleeve groove is formed along the inner wall of the cylinder barrel, and an oil guide channel is formed in the bottom of the oil cavity. According to the novel reinforcement safety oil cylinder, the safety joint is arranged, when oil leakage occurs due to damage or looseness of the connecting end part of the oil pipe, the connecting end part of the oil pipe is firstly located in the protection range of the safety joint, and the four groups of shielding plates at the joint play a role in shielding, so that the oil is prevented from splashing outwards, the safety is improved, the novel reinforcement safety oil cylinder is suitable for different working conditions, and a better use prospect is brought.

Description

Novel reinforcement safety oil cylinder

Technical Field

The utility model relates to the technical field of oil cylinders, in particular to a novel reinforcement safety oil cylinder.

Background

The output force of the oil cylinder depends on the contact area of the piston and hydraulic oil and the pressure of the hydraulic oil, the pressure of the hydraulic oil is determined by external oil pumping equipment, so that the output force of the oil cylinder is generally required to be increased, the sectional area of the piston is required to be increased, the cylinder barrel is thickened, the volume of the oil cylinder is enlarged, and the existing oil cylinder is of a simplified structural design, so that the structural complexity of the oil cylinder can be increased like the technical scheme of increasing the piston, increasing the cylinder barrel and increasing the volume of the oil cylinder and using a plurality of groups of piston rods, the occupied space of the oil cylinder is increased, the connecting position of the oil cylinder and the oil pipe is lack of safety, splashing is easy after oil leakage occurs, the environment is polluted, and certain adverse effects are brought about in the use process.

Disclosure of Invention

The utility model mainly aims to provide a novel reinforcement safety oil cylinder, which can effectively solve the technical problems of insufficient output force of the oil cylinder and lack of safety protection of the connecting position of the oil cylinder and an oil pipe in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the novel reinforcement safety oil cylinder comprises a cylinder barrel, an oil cavity is formed in the lower portion of the inner portion of the cylinder barrel, a piston is movably arranged at the upper end of the oil cavity, a plurality of groups of inner counter bores are uniformly formed in the bottom of the piston, a piston rod is fixedly connected to the upper end of the piston, a tension ring is welded to the upper end face of the piston rod, a guide sleeve is arranged on the inner periphery of the top of the cylinder barrel, the guide sleeve is fixedly arranged in a guide sleeve groove, the guide sleeve groove is formed along the inner wall of the cylinder barrel, an oil guide channel is arranged at the bottom of the oil cavity, a mounting opening is formed in the position of the oil guide channel, and a safety joint is movably arranged at the mounting opening;

the safety joint comprises a curved pipe body, an external thread part, a groove, a first sealing ring, an internal thread sleeve, an interface, shielding plates and a sticky part, wherein the external thread part is positioned at the outer side of the lower end part of the curved pipe body, the curved pipe body is connected with the internal thread part of an installation port by utilizing the external thread part, the groove is positioned at one side of the external thread part, the first sealing ring is sleeved in the groove, the interface is positioned at the upper end surface of the curved pipe body, four groups of shielding plates are symmetrically arranged, and are all arc-shaped, and the four groups of shielding plates are glued in the curved pipe body through the sticky part of the root edge.

Preferably, the upper end of the cylinder barrel is provided with an exhaust hole at the outer side of the piston rod.

Preferably, a second sealing ring is arranged on the inner side of the top of the cylinder barrel and positioned above the guide sleeve in a circle, and a third sealing ring is sleeved on the outer side surface of the piston.

Preferably, the inner counter bores are small in outer part and large in inner part, the cross section of the inner counter bores is in an isosceles trapezoid shape, the oil contact area of the bottom of the piston is increased, and the number of the inner counter bores is preferably 8-12 groups.

Preferably, the internal thread sleeve is welded at the horizontal pipe body position of the curved pipe body and is in threaded connection with an external oil pipe.

Preferably, an interference fit groove acting on the first sealing ring is formed in the outermost side of the mounting opening.

Preferably, the shielding plates are made of rubber, have elasticity, and are inwards bent when the oil pipe stretches into the connector.

Compared with the prior art, the novel reinforcement safety oil cylinder provided by the utility model has the following remarkable improvements and advantages:

(1) The inner counter bore is small in the outside and large in the inside, layering on the space is formed at the bottom of the piston, the oil contact area at the bottom of the piston is increased after the pistons are densely distributed, and the acting area is increased, so that the output force of the oil cylinder is increased in a limited space.

(2) Through setting up safe joint, when oil pipe's link end is because damage or not hard up appear the oil leak, can be in safe joint protection scope inside at first to four groups of covers of interface department play the shielding effect, thereby prevent the outside quick spill of oil, improve the security.

(3) The whole oil cylinder is simple in design, convenient to operate, and capable of meeting practical use standards, reducing production cost, improving working efficiency and achieving better use effect compared with the traditional mode.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a novel reinforcement safety cylinder of the present utility model;

FIG. 2 is an interior view of the cylinder of the present utility model;

FIG. 3 is a schematic view of a safety joint according to the present utility model;

fig. 4 is a schematic view of the structure of the piston of the present utility model.

In the figure: 1. a cylinder; 2. an oil chamber; 3. an exhaust hole; 4. a piston; 5. a third seal ring; 6. an inner counter bore; 7. a piston rod; 8. a tension ring; 9. a guide sleeve; 10. a guide sleeve groove; 11. a second seal ring; 12. an oil guide channel; 13. a mounting port; 14. a safety joint; 15. a curved tube body; 16. an external thread portion; 17. a groove; 18. a first seal ring; 19. an internal thread sleeve; 20. an interface; 21. a mask; 22. a sticking part; 24. an interference fit groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

As shown in fig. 1-4, the embodiment provides a novel reinforcement safety oil cylinder, which comprises a cylinder barrel 1, wherein an oil cavity 2 is arranged at the lower position inside the cylinder barrel 1, and a piston 4 is movably arranged at the upper end inside the oil cavity 2.

Further, a plurality of groups of inner counter bores 6 are uniformly formed in the bottom of the piston 4.

Specifically, the inner counter bore 6 is small at the outer side and large at the inner side, and the cross section is isosceles trapezoid, so that the oil contact area of the bottom of the piston 4 is increased.

Further, the upper end fixedly connected with piston rod 7 of piston 4, the up end welding of piston rod 7 has pulling force ring 8, and the inboard week in top of cylinder 1 is provided with uide bushing 9, plays the effect of direction, and uide bushing 9 is fixed to be provided with in the uide bushing groove 10, and uide bushing groove 10 sets up along cylinder 1 inner wall, plays the effect of installation.

In this embodiment, the bottom of the oil cavity 2 is provided with an oil guiding channel 12, which plays a role in guiding flow, a mounting opening 13 is provided at a position of the oil guiding channel 12 located on the inner wall of the cylinder barrel 1, and a safety joint 14 is movably provided at the mounting opening 13.

Specifically, the safety joint 14 includes a curved pipe body 15, an external threaded portion 16, a groove 17, a first seal ring 18, an internal threaded sleeve 19, a joint 20, a mask 21, and an adhesive portion 22.

In this embodiment, the male screw portion 16 is located outside the lower end portion of the curved pipe body 15, the curved pipe body 15 is connected to the female screw portion of the mounting port 13 by the male screw portion 16, and the groove 17 is located on one side of the male screw portion 16.

In this embodiment, the female screw sleeve 19 is welded to the horizontal pipe body of the curved pipe body 15 and is screwed to the external oil pipe.

In this embodiment, the first sealing ring 18 is sleeved in the groove 17, the interface 20 is located on the upper end surface of the curved tube body 15, and four groups of shielding plates 21 are arranged in the interface 20.

Further, the four sets of masks 21 are symmetrically arranged and all are arc-shaped, and the four sets of masks 21 are glued inside the curved tube body 15 through the gluing parts 22 at the root edges.

Further, the shielding plates 21 are made of rubber, have elasticity, and when the shielding plates are not connected, the four groups of shielding plates 21 enclose a sealing body to play a role in sealing, when the oil pipe stretches into the connector 20, the four groups of shielding plates 21 are bent inwards, and the bent shielding plates 21 are abutted against the gap between the oil pipe and the connector 20 to play a role in shielding.

Further, the upper end part of the cylinder barrel 1 is provided with an exhaust hole 3 at the outer side of the piston rod 7, so as to play a role in balancing the internal and external air pressure.

Further, a second sealing ring 11 is arranged on the inner side of the top of the cylinder barrel 1 and above the guide sleeve 9 in a circle, and a third sealing ring 5 is sleeved on the outer side surface of the piston 4 to play a role in sealing.

Further, the outermost side of the mounting opening 13 is provided with an interference fit groove 24 acting on the first seal ring 18.

When the hydraulic oil pump is used, the safety joint 14 is screwed into the mounting port 13 through the external thread part 16, the first sealing ring 18 is used for clamping and sealing, then an external oil pipe extends into the safety joint 14 and is fixed with the internal thread sleeve 19, and in the hydraulic process, oil in the oil pipe continuously enters the oil cavity 2, so that the inner volume of the oil cavity 2 is enlarged, the piston 4 is extruded upwards, and the piston rod 7 is pushed to be ejected upwards.

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 therein 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 (7)

1. Novel reinforcement safety cylinder, including cylinder (1), its characterized in that: an oil cavity (2) is formed in the lower position of the inner portion of the cylinder barrel (1), a piston (4) is movably arranged at the upper end in the oil cavity (2), a plurality of groups of inner counter bores (6) are uniformly formed in the bottom of the piston (4), a piston rod (7) is fixedly connected to the upper end of the piston (4), a tension ring (8) is welded on the upper end face of the piston rod (7), a guide sleeve (9) is arranged on the inner periphery of the top of the cylinder barrel (1), a guide sleeve groove (10) is fixedly arranged in the guide sleeve (9), the guide sleeve groove (10) is arranged along the inner wall of the cylinder barrel (1), an oil guide channel (12) is arranged at the bottom of the oil cavity (2), an installation opening (13) is formed in the position of the inner wall of the cylinder barrel (1), and a safety joint (14) is movably arranged at the installation opening (13).

The safety joint (14) comprises a curved pipe body (15), an external thread part (16), a groove (17), a first sealing ring (18), an internal thread sleeve (19), an interface (20), a shielding plate (21) and a sticky part (22), wherein the external thread part (16) is located at the outer side of the lower end part of the curved pipe body (15), the curved pipe body (15) is connected with the internal thread part of an installation opening (13) by using the external thread part (16), the groove (17) is located at one side of the external thread part (16), the first sealing ring (18) is sleeved in the groove (17), the interface (20) is located at the upper end face of the curved pipe body (15), four groups of shielding plates (21) are symmetrically arranged and are all arc-shaped, and the four groups of shielding plates (21) are glued in the curved pipe body (15) through the sticky part (22) of the root edge.

2. The novel reinforcement safety cylinder according to claim 1, wherein: the upper end part of the cylinder barrel (1) is positioned at the outer side of the piston rod (7) and is provided with an exhaust hole (3).

3. The novel reinforcement safety cylinder according to claim 2, wherein: the cylinder barrel (1) is characterized in that a second sealing ring (11) is arranged on the inner side of the top of the cylinder barrel and above the guide sleeve (9) in a circle, and a third sealing ring (5) is sleeved on the outer side face of the piston (4).

4. A novel reinforcement safety cylinder as set forth in claim 3, wherein: the inner counter bore (6) is small at the outer side and large at the inner side, the section is isosceles trapezoid, and the oil contact area of the bottom of the piston (4) is increased.

5. The novel reinforcement safety cylinder according to claim 4, wherein: the internal thread sleeve (19) is welded at the horizontal pipe body position of the curved pipe body (15) and is in threaded connection with an external oil pipe.

6. The novel reinforcement safety cylinder according to claim 5, wherein: the outermost side of the mounting opening (13) is provided with an interference fit groove (24) acting on the first sealing ring (18).

7. The novel reinforcement safety cylinder according to claim 6, wherein: the shielding plates (21) are made of rubber and have elasticity, and when the oil pipe stretches into the connector (20), the four groups of shielding plates (21) are bent inwards.