CN212690510U

CN212690510U - Hydraulic piston stable in operation

Info

Publication number: CN212690510U
Application number: CN202021641679.XU
Authority: CN
Inventors: 唐玉芝; 王健; 赵玉凤; 张彧萌; 陈欣元
Original assignee: Nantong Institute of Technology
Current assignee: Nantong Institute of Technology
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-03-12
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a hydraulic piston that operation is stable, including the fixed jar of piston, the upper end fixed surface of the fixed jar of piston installs the sealed lid of fixed jar, the last fixed surface of the sealed lid of fixed jar installs first engaging lug ring, the front fixed surface of the sealed lid of fixed jar installs the oil pipe and connects, the lower extreme fixed surface of the fixed jar of piston installs the sealed lantern ring, the lower fixed surface of the sealed lantern ring installs sealed clamping ring, the hydraulic pressure inside groove has been seted up to the internal surface of the fixed jar of piston, the internal surface of the fixed jar of piston is located the inside position movable mounting of hydraulic pressure inside groove and has the piston dead lever. A move stable hydraulic piston, belong to the piston field, can constitute the operation structure of dual flexible activity, make the flexible activity operation of more stable of piston, can be in the quick resilience of pulling piston dead lever, improved piston functioning speed.

Description

Hydraulic piston stable in operation

Technical Field

The utility model relates to a piston field, in particular to move stable hydraulic piston.

Background

The hydraulic piston is an important component of the hydraulic cylinder, plays a role in telescopic movable operation, is widely installed on mechanical equipment to transmit hydraulic pressure, and gradually increases along with the use requirement of the hydraulic piston, but the existing hydraulic piston cannot meet the requirement of people, so that the hydraulic piston which is more convenient to use is needed; when hydraulic piston used, the one-stroke structure of hydraulic piston operated steady inadequately, can't make the flexible movable operation that the piston is more stable, simultaneously, can not be in the quick resilience of pulling piston dead lever, reduced piston functioning speed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a move stable hydraulic piston, can effectively solve the problem in the background.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hydraulic piston stable in operation comprises a piston fixing cylinder, wherein a fixing cylinder sealing cover is fixedly arranged on the outer surface of the upper end of the piston fixing cylinder, a first connecting lug ring is fixedly arranged on the upper surface of the fixing cylinder sealing cover, an oil pipe joint is fixedly arranged on the front surface of the fixing cylinder sealing cover, a sealing lantern ring is fixedly arranged on the outer surface of the lower end of the piston fixing cylinder, a sealing pressing ring is fixedly arranged on the lower surface of the sealing lantern ring, a hydraulic inner groove is formed in the inner surface of the piston fixing cylinder, a piston fixing rod is movably arranged at the inner position, located in the hydraulic inner groove, of the inner surface of the piston fixing cylinder, a second connecting lug ring is fixedly arranged on the outer surface of the lower end of the piston fixing rod, a positioning telescopic rod is fixedly arranged at the position, located above the piston fixing rod, of the inner surface, the inner side of the piston rod sealing block is fixedly provided with a positioning rod sealing ring, and the inner surface of the piston fixing rod is movably provided with a pull-back spring.

Preferably, the upper position of the inner surface of the piston fixing cylinder, which is located on the hydraulic inner groove, is fixedly provided with a buffer cushion block, the upper end of the positioning telescopic rod is fixedly connected with the buffer cushion block, and the buffer cushion block is located above the piston rod sealing block.

Preferably, the lower end of the piston fixing rod penetrates to the position below the piston fixing cylinder, and the sealing lantern ring and the sealing pressing ring are attached to the outer side of the piston fixing rod.

Preferably, first connection earring and second connection earring are circular structural design, the size of first connection earring is greater than the size of second connection earring.

Preferably, the oil pipe joint is communicated with the inside of the piston fixing cylinder through a fixing cylinder sealing cover.

Preferably, the lower end of the positioning telescopic rod penetrates through the piston rod sealing block to the inner position of the piston fixing rod, the upper end of the pull-back spring is fixedly connected with the positioning telescopic rod, and the positioning rod sealing ring is attached to the outer side of the positioning telescopic rod.

Compared with the prior art, the utility model discloses following beneficial effect has: this move stable hydraulic piston through the fixed jar of piston, hydraulic pressure inside groove, piston dead lever and the locating lever sealing washer that sets up, can constitute the operation structure of dual flexible activity, makes the flexible movable operation of more stable of piston, through the location telescopic link and the pullback spring that set up, can be at the quick resilience of pulling piston dead lever, improved piston functioning speed.

Drawings

Fig. 1 is a schematic view of the overall structure of a hydraulic piston which operates stably according to the present invention;

fig. 2 is an exploded view of a piston fixing cylinder, a sealing sleeve ring and a sealing pressing ring of a hydraulic piston which operates stably according to the present invention;

fig. 3 is the utility model discloses a piston dead lever and piston rod seal block's of hydraulic piston that operates stably profile chart.

In the figure: 1. a piston fixing cylinder; 2. a fixed cylinder sealing cover; 3. a first connecting earring; 4. an oil pipe joint; 5. a sealing collar; 6. sealing the pressing ring; 7. a hydraulic inner tank; 8. buffering cushion blocks; 9. a piston fixing rod; 10. a second connecting earring; 11. positioning the telescopic rod; 12. a piston rod sealing block; 13. a positioning rod sealing ring; 14. the spring is pulled back.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

As shown in figures 1-3, a hydraulic piston with stable operation comprises a piston fixing cylinder 1, a fixing cylinder sealing cover 2 is fixedly arranged on the outer surface of the upper end of the piston fixing cylinder 1, a first connecting lug ring 3 is fixedly arranged on the upper surface of the fixing cylinder sealing cover 2, an oil pipe joint 4 is fixedly arranged on the front surface of the fixing cylinder sealing cover 2, a sealing lantern ring 5 is fixedly arranged on the outer surface of the lower end of the piston fixing cylinder 1, a sealing pressing ring 6 is fixedly arranged on the lower surface of the sealing lantern ring 5, a hydraulic inner groove 7 is arranged on the inner surface of the piston fixing cylinder 1, a piston fixing rod 9 is movably arranged at the inner position of the hydraulic inner groove 7 on the inner surface of the piston fixing cylinder 1, a second connecting lug ring 10 is fixedly arranged on the outer surface of the lower end of the piston fixing rod 9, and a positioning telescopic rod 11, a piston rod sealing block 12 is fixedly arranged on the outer surface of the upper end of the piston fixing rod 9, a positioning rod sealing ring 13 is fixedly arranged on the inner side of the piston rod sealing block 12, and a pull-back spring 14 is movably arranged on the inner surface of the piston fixing rod 9;

in this embodiment, in order to perform the buffering and limiting, a buffering cushion block 8 is fixedly installed at a position above the hydraulic inner groove 7 on the inner surface of the piston fixing cylinder 1, the upper end of the positioning telescopic rod 11 is fixedly connected with the buffering cushion block 8, the buffering cushion block 8 is located above the piston rod sealing block 12, and the buffering cushion block 8 is used for buffering and limiting the piston rod sealing block 12.

In this embodiment, in order to seal the piston fixing rod 9, the lower end of the piston fixing rod 9 penetrates to the position below the piston fixing cylinder 1, the sealing collar 5 and the sealing pressing ring 6 are both attached to the outer side of the piston fixing rod 9, and the sealing collar 5 and the sealing pressing ring 6 are attached to the outer side of the piston fixing rod 9 to achieve a sealing effect.

In the present embodiment, the first connecting ear loop 3 and the second connecting ear loop 10 are both designed to be circular structures, and the size of the first connecting ear loop 3 is larger than that of the second connecting ear loop 10.

In the present embodiment, in order to supply hydraulic oil, the oil pipe joint 4 is connected to the inside of the piston fixing cylinder 1 through the fixing cylinder seal cap 2, and the oil pipe joint 4 is used to supply hydraulic oil into the piston fixing cylinder 1.

In addition, in order to seal the positioning telescopic rod 11, the lower end of the positioning telescopic rod 11 penetrates through the piston rod sealing block 12 to the inner position of the piston fixing rod 9, the upper end of the pullback spring 14 is fixedly connected with the positioning telescopic rod 11, the positioning rod sealing ring 13 is attached to the outer side of the positioning telescopic rod 11, and the positioning rod sealing ring 13 is used for sealing the positioning telescopic rod 11.

It should be noted that the present invention is a hydraulic piston with stable operation, the piston fixing cylinder 1 and the piston fixing rod 9 constitute the main structure part of the hydraulic piston, the hydraulic oil is inputted through the oil pipe joint 4 on the fixing cylinder sealing cover 2, then the piston fixing rod 9 performs the function of hydraulic telescopic operation by telescopic movement in the hydraulic internal groove 7 in the piston fixing cylinder 1, when the piston fixing rod 9 performs telescopic movement, the positioning telescopic rod 11 in the piston fixing cylinder 1 is simultaneously inserted into the piston fixing rod 9, therefore, when the piston fixing rod 9 performs telescopic movement with the hydraulic internal groove 7, the positioning telescopic rod 11 performs telescopic movement in the piston fixing rod 9 simultaneously, thereby forming the structure of dual telescopic movement, making the piston fixing rod 9 more stable telescopic movement, and the positioning telescopic rod 11 is connected with the pullback spring 14 in the piston fixing rod 9, the pulling pull-back spring 14 expandes when the location telescopic link 11 moves about to when the piston dead lever 9 kick-backs, through the quick resilience that kick-backs of the pull-back spring 14, increase the speed that the piston dead lever 9 was withdrawed, improved piston functioning speed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A hydraulic piston which operates stably, characterized in that: including piston fixed cylinder (1), the upper end external fixed surface of piston fixed cylinder (1) installs the sealed lid of fixed cylinder (2), the last fixed surface of the sealed lid of fixed cylinder (2) installs first connection earrings (3), the preceding fixed surface of the sealed lid of fixed cylinder (2) installs oil pipe joint (4), the lower extreme external fixed surface of piston fixed cylinder (1) installs sealed lantern ring (5), the lower fixed surface of sealed lantern ring (5) installs sealed clamping ring (6), hydraulic pressure inside groove (7) have been seted up to the internal surface of piston fixed cylinder (1), the internal position movable mounting that the internal surface of piston fixed cylinder (1) is located hydraulic pressure inside groove (7) has piston dead lever (9), the lower extreme external fixed surface of piston dead lever (9) installs second connection earrings (10), the top position fixed mounting that the internal surface of piston fixed cylinder (1) is located piston dead lever (9) has location dead lever (9) The telescopic rod (11), the outer fixed surface in upper end of piston dead lever (9) installs piston rod seal block (12), the inboard fixed mounting of piston rod seal block (12) has locating lever sealing washer (13), the internal surface movable mounting of piston dead lever (9) has pullback spring (14).

2. A operationally stable hydraulic piston as claimed in claim 1, wherein: the upper position that the internal surface of piston stationary cylinder (1) is located hydraulic pressure inside groove (7) is fixed to be installed and is cushioned cushion (8), the upper end and the cushion (8) fixed connection of location telescopic link (11), cushion (8) are located the top position of piston rod seal (12).

3. A operationally stable hydraulic piston as claimed in claim 1, wherein: the lower end of the piston fixing rod (9) penetrates through the position below the piston fixing cylinder (1), and the sealing lantern ring (5) and the sealing pressing ring (6) are attached to the outer side of the piston fixing rod (9).

4. A operationally stable hydraulic piston as claimed in claim 1, wherein: first connection earrings (3) and second connection earrings (10) are circular structural design, the size of first connection earrings (3) is greater than the size of second connection earrings (10).

5. A operationally stable hydraulic piston as claimed in claim 1, wherein: the oil pipe joint (4) is communicated with the inside of the piston fixing cylinder (1) through the fixing cylinder sealing cover (2).

6. A operationally stable hydraulic piston as claimed in claim 1, wherein: the lower end of the positioning telescopic rod (11) penetrates through the inner position from the piston rod sealing block (12) to the piston fixing rod (9), the upper end of the pull-back spring (14) is fixedly connected with the positioning telescopic rod (11), and the positioning rod sealing ring (13) is attached to and connected with the outer side of the positioning telescopic rod (11).