CN212838680U

CN212838680U - Hydraulic cylinder with prolonged service life

Info

Publication number: CN212838680U
Application number: CN202020968340.4U
Authority: CN
Inventors: 岳川; 姜军; 王吉红
Original assignee: Shandong Huaheng Intelligent Equipment Co ltd
Current assignee: Shandong Huaheng Intelligent Equipment Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-03-30
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses an increase of service life's hydraulic cylinder, comprising a cylinder body, the left end of cylinder body is provided with the base, the right-hand member of cylinder body is provided with the apron, the left end of base and the right-hand member of apron all set up flutedly, both ends are respectively in and correspond about the cylinder body the recess card is established and is connected, a plurality of slotted holes have all been seted up at both ends about the cylinder body, first business turn over liquid mouth has been seted up to the upper end intermediate position of base. The utility model discloses in, when the pump went into hydraulic oil, hydraulic oil entered into annular channel through first connection channel in, again by second connection channel, connecting pipe, slotted hole enter into the cylinder body in, can be so that the more even extrusion piston of hydraulic oil that gets into, the buffer spring of setting can cushion when making the piston remove the cylinder body both ends, reduces the damage of piston.

Description

Hydraulic cylinder with prolonged service life

Technical Field

The utility model relates to a hydraulic cylinder technical field especially relates to an increase of service life's hydraulic cylinder.

Background

The hydraulic oil cylinder is an actuating element in a hydraulic transmission system, is an energy conversion device for converting hydraulic energy into mechanical energy and is used for driving a working mechanism to do linear reciprocating motion or reciprocating swing. Hydraulic rams typically include a cylinder and a piston rod assembly that includes a piston and a piston rod. Wherein, the piston is fixedly connected at the end part of the piston rod, and the outer circumferential surface of the piston is in sliding fit with the inner cavity of the cylinder barrel.

The piston moves about under the promotion of the hydraulic oil of left and right ends oil inlet and outlet to drive the piston rod and remove, current oil inlet and outlet enters into the channel in the cylinder body and is a more, makes the hydraulic oil that enters into the cylinder body not even apply on the piston, thereby makes the life of piston reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hydraulic oil cylinder with prolonged service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a hydraulic cylinder with prolonged service life comprises a cylinder body, wherein a base is arranged at the left end of the cylinder body, a cover plate is arranged at the right end of the cylinder body, grooves are respectively formed at the left end of the base and the right end of the cover plate, the left end and the right end of the cylinder body are respectively clamped and connected with the corresponding grooves, a plurality of slotted holes are respectively formed at the left end and the right end of the cylinder body, a first liquid inlet and outlet is formed in the middle position of the upper end of the base, a second liquid inlet and outlet is formed in the middle position of the upper end of the cover plate, first connecting channels are respectively formed in the inner parts of the base and the cover plate and are respectively positioned at the lower ends of the first liquid inlet and outlet and the second liquid inlet and outlet, annular channels are respectively formed in the inner parts of the base and the cover plate and are respectively positioned at the lower ends of the first connecting channels, and a, the end, far away from the cylinder body, of each second connecting channel is communicated with the annular channel, the end, close to the cylinder body, of each second connecting channel is fixedly connected with a connecting pipe, and the connecting pipes are clamped in the corresponding slots respectively.

As a further description of the above technical solution:

a piston rod is arranged in the cylinder body, and a piston is fixedly connected to the position, close to the left end, of the piston rod.

As a further description of the above technical solution:

the piston is embedded with a plurality of second wear-resistant rings, the left end and the right end of the piston are fixedly connected with buffer springs, and the buffer springs are connected with the piston rod in a sleeved mode.

As a further description of the above technical solution:

a first through hole is formed in the middle of the right end of the cover plate, a second through hole is formed in the middle of the right end of the cylinder body, and the right end of the piston rod penetrates through the first through hole and the second through hole.

As a further description of the above technical solution:

the spacing groove has been seted up to the inside left end of cylinder body, the inside of second through-hole is inlayed and is had a plurality of first wear-resisting rings, the inside right-hand member of first through-hole is inlayed and is had the steckel, the right-hand member threaded connection of first through-hole has the dust seal.

As a further description of the above technical solution:

third through-holes have all been seted up to the four corners department of apron and base, a plurality of left and right correspondences equal fixedly connected with connecting rod between the third through-hole.

The utility model discloses following beneficial effect has:

when the hydraulic oil cylinder with the service life prolonged is used, the hydraulic oil cylinder is connected with a first liquid inlet and outlet, a first through hole, a Stent seal, a second through hole, a buffer spring, a piston, a second wear-resisting ring, a limiting groove, a slotted hole, a third through hole and a groove through the arranged cylinder body, a connecting rod, a base, the first liquid inlet and outlet, the piston rod, the dust seal, a cover plate, the second liquid inlet and outlet, the first connecting channel, the annular channel, the second connecting channel, the connecting pipe, the first wear-resisting ring, the first through hole, the second through hole, the buffer spring, the piston, the second wear-resisting ring, the limiting groove, the slotted hole, the third through hole and the groove Connecting pipe, slotted hole enter into the cylinder body, can be so that the more even extrusion piston of hydraulic oil that gets into, and the buffer spring who sets up can cushion when making the piston move the cylinder body both ends, reduces the damage of piston.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a right side view of the base of the present invention;

fig. 4 is a schematic view of the internal structure of the base of the present invention.

Illustration of the drawings:

1. a cylinder body; 2. a connecting rod; 3. a base; 4. a first liquid inlet and outlet; 5. a piston rod; 6. sealing by dust; 7. a cover plate; 8. a second liquid inlet and outlet; 9. a first connecting channel; 10. an annular channel; 11. a second connecting channel; 12. a connecting pipe; 13. a first wear ring; 14. a first through hole; 15. performing steckel; 16. a second through hole; 17. a buffer spring; 18. a piston; 19. a second wear ring; 20. a limiting groove; 21. a slot; 22. a third through hole; 23. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a hydraulic cylinder with prolonged service life comprises a cylinder body 1, wherein a base 3 is arranged at the left end of the cylinder body 1, a cover plate 7 is arranged at the right end of the cylinder body 1, grooves 23 are respectively formed at the left end of the base 3 and the right end of the cover plate 7, the left end and the right end of the cylinder body 1 are respectively clamped and connected with the corresponding grooves 23, a plurality of slotted holes 21 are respectively formed at the left end and the right end of the cylinder body 1, a first liquid inlet and outlet 4 is formed at the middle position of the upper end of the base 3, a second liquid inlet and outlet 8 is formed at the middle position of the upper end of the cover plate 7, a first connecting channel 9 is respectively formed at the lower ends of the first liquid inlet and outlet 4 and the second liquid inlet and outlet 8 in the interior of the base 3 and the cover plate 7, an annular channel 10 is respectively formed at the lower end position of the first connecting channel 9 in the interior of the base 3 and the cover plate 7, a, one end of each second connecting channel 11, which is far away from the cylinder body 1, is communicated with the annular channel 10, one end of each second connecting channel 11, which is close to the cylinder body 1, is fixedly connected with a connecting pipe 12, and the connecting pipes 12 are respectively clamped in the corresponding slotted holes 21.

A piston rod 5 is arranged in the cylinder body 1, and a piston 18 is fixedly connected to the position, close to the left end, of the piston rod 5; a plurality of second wear-resistant rings 19 are embedded on the piston 18, the left end and the right end of the piston 18 are fixedly connected with buffer springs 17, and the buffer springs 17 are sleeved with the piston rod 5 and connected with the second wear-resistant rings 19 so as to reduce the abrasion between the piston 18 and the inner wall of the cylinder body 1 when the piston 18 moves left and right; a first through hole 14 is formed in the middle position of the right end of the cover plate 7, a second through hole 16 is formed in the middle position of the right end of the cylinder body 1, and the right end of the piston rod 5 penetrates through the first through hole 14 and the second through hole 16; a limiting groove 20 is formed in the left end of the interior of the cylinder body 1, a plurality of first wear-resisting rings 13 are embedded in the second through hole 16, a Style seal 15 is embedded in the right end of the interior of the first through hole 14, a dustproof seal 6 is connected to the right end of the first through hole 14 in a threaded mode, the Style seal plays a role in sealing hydraulic oil, and the dustproof seal 6 plays a role in preventing dust from entering the cylinder body 1; third through holes 22 have all been seted up to apron 7 and base 3's four corners department, equal fixedly connected with connecting rod 2 between a plurality of third through holes 22 of controlling the correspondence, connecting rod 2 plays the effect of connecting apron 7 and base 3.

The working principle is as follows: oil pipe is connected respectively at first business turn over liquid mouth 4 and second business turn over liquid mouth 8, when first business turn over liquid mouth 4 pump goes into hydraulic oil, when second business turn over liquid mouth 8 discharge hydraulic oil, piston 18 can move to the right, thereby drive piston rod 5 and move to the right, make piston rod 5 stretch out, otherwise with piston rod 5 shrink, realize piston rod 5's reciprocating motion, when pump the pump is gone into hydraulic oil, hydraulic oil enters into annular channel 10 through first connection channel 9, again by second connection channel 11, connecting pipe 12, the slotted hole 21 enters into in the cylinder body 1, can make the extrusion piston 18 that gets into more even, buffer spring 17 that sets up can make piston 18 cushion when moving to cylinder body 1 both ends, reduce the damage of piston 18.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an increase of service life's hydraulic cylinder, includes cylinder body (1), its characterized in that: the left end of the cylinder body (1) is provided with a base (3), the right end of the cylinder body (1) is provided with a cover plate (7), the left end of the base (3) and the right end of the cover plate (7) are respectively provided with a groove (23), the left end and the right end of the cylinder body (1) are respectively connected with the corresponding grooves (23) in a clamping manner, the left end and the right end of the cylinder body (1) are respectively provided with a plurality of slotted holes (21), the middle position of the upper end of the base (3) is provided with a first liquid inlet and outlet (4), the middle position of the upper end of the cover plate (7) is provided with a second liquid inlet and outlet (8), the interiors of the base (3) and the cover plate (7) are respectively positioned at the lower ends of the first liquid inlet and outlet (4) and the second liquid inlet and outlet (8) are respectively provided with a first connecting channel (9), the interiors of the base (3) and the cover plate (7) are respectively positioned at the lower end, base (3) and apron (7) are close to one side of cylinder body (1) all sets up a plurality of second connection channel (11) that correspond with slotted hole (21), and is a plurality of channel (11) are connected to the second is kept away from the one end of cylinder body (1) all with annular channel (10) link up mutually, and are a plurality of channel (11) are close to the equal fixedly connected with connecting pipe (12) of one end of cylinder body (1), it is a plurality of connecting pipe (12) block respectively and establish and correspond in slotted hole (21).

2. An extended life hydraulic ram as claimed in claim 1 wherein: a piston rod (5) is arranged in the cylinder body (1), and a piston (18) is fixedly connected to the position, close to the left end, of the piston rod (5).

3. An extended life hydraulic ram as claimed in claim 2 wherein: a plurality of second wear-resistant rings (19) are embedded on the piston (18), buffer springs (17) are fixedly connected to the left end and the right end of the piston (18), and the buffer springs (17) are connected with the piston rod (5) in a sleeved mode.

4. An extended life hydraulic ram as claimed in claim 2 wherein: a first through hole (14) is formed in the middle of the right end of the cover plate (7), a second through hole (16) is formed in the middle of the right end of the cylinder body (1), and the right end of the piston rod (5) penetrates through the first through hole (14) and the second through hole (16).

5. An extended life hydraulic ram as claimed in claim 4 wherein: spacing groove (20) have been seted up to the inside left end of cylinder body (1), the inside of second through-hole (16) is inlayed and is had a plurality of first wear-resisting rings (13), the inside right-hand member of first through-hole (14) is inlayed and is had stone seal (15), the right-hand member threaded connection of first through-hole (14) has dust seal (6).

6. An extended life hydraulic ram as claimed in claim 1 wherein: third through-hole (22) have all been seted up in the four corners department of apron (7) and base (3), correspond about a plurality of equal fixedly connected with connecting rod (2) between third through-hole (22).