CN220622327U - High-pressure cylinder piston - Google Patents

High-pressure cylinder piston Download PDF

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Publication number
CN220622327U
CN220622327U CN202322392197.5U CN202322392197U CN220622327U CN 220622327 U CN220622327 U CN 220622327U CN 202322392197 U CN202322392197 U CN 202322392197U CN 220622327 U CN220622327 U CN 220622327U
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China
Prior art keywords
piston
groove
cylinder body
pressure cylinder
oil
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CN202322392197.5U
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Chinese (zh)
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童嘉城
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Sichuan Rongcheng Machinery Co ltd
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Sichuan Rongcheng Machinery Co ltd
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Abstract

The utility model provides a high-pressure cylinder piston, and relates to the technical field of pistons. The high pressure cylinder piston includes: the inner bottom wall of the cylinder body is provided with an oil storage tank, and the outer surface of the cylinder body is fixedly connected with an oil inlet pipe communicated with the oil storage tank; the piston mechanism is connected in the cylinder body; the piston mechanism comprises a piston, a guide ring, a sealing ring, a groove and an arc-shaped liquid dividing groove; the cylinder body is connected with a piston in a sliding way, and the outer surface of the piston is connected with a guide ring and a sealing ring; the lower surface of the piston is provided with a groove which is concentric with the piston and is concentric with the oil storage tank; the lower surface of the piston is also provided with a plurality of arc-shaped liquid distributing grooves which are uniformly and circumferentially arranged, and the arc-shaped liquid distributing grooves are communicated with the grooves. The high-pressure cylinder piston provided by the utility model has the advantages of sensitivity and high response speed.

Description

High-pressure cylinder piston
Technical Field
The utility model relates to the technical field of pistons, in particular to a high-pressure cylinder piston.
Background
The hydraulic cylinder is a hydraulic executive component which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion), and has simple structure and reliable operation. When it is used to realize reciprocating motion, it can eliminate speed reducer, and has no transmission clearance and smooth motion, so that it can be widely used in hydraulic systems of various machines.
Referring to Chinese patent CN 213270529U, a piston of a high-pressure oil cylinder is disclosed, and the spring is connected with the oil cylinder body and the piston body, so that the piston body can reset by means of the spring, the reset effect of the piston body is ensured, and the normal use of the oil cylinder is ensured; the setting of guide ring has guaranteed the rectilinear motion of piston body, has guaranteed the removal of piston body, but its when using, though oil through hole 15 have a part be located on the airtight end inner wall of oil cylinder body 1, but the gap between piston body and the cylinder body is less, is unfavorable for oil to enter into between piston body and the cylinder body, and then influences sensitivity and the response speed of piston body motion.
Accordingly, there is a need to provide a new high pressure cylinder piston that solves the above-mentioned technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a more sensitive and rapid high-pressure cylinder piston.
The high-pressure cylinder piston provided by the utility model comprises: the inner bottom wall of the cylinder body is provided with an oil storage tank, and the outer surface of the cylinder body is fixedly connected with an oil inlet pipe communicated with the oil storage tank; the piston mechanism is connected in the cylinder body; the piston mechanism comprises a piston, a guide ring, a sealing ring, a groove and an arc-shaped liquid dividing groove; the cylinder body is connected with a piston in a sliding way, and the outer surface of the piston is connected with a guide ring and a sealing ring; the lower surface of the piston is provided with a groove which is concentric with the piston and is concentric with the oil storage tank; the lower surface of the piston is also provided with a plurality of arc-shaped liquid distributing grooves which are uniformly and circumferentially arranged, and the arc-shaped liquid distributing grooves are communicated with the grooves.
Preferably, the number of the guide rings is two, and the two guide rings are arranged up and down; the sealing ring is positioned between the two guide rings.
Preferably, the sealing ring comprises two sub sealing rings which are arranged up and down, and the two sub sealing rings are sleeved in a mounting groove formed in the outer surface of the piston.
Preferably, the inner wall of the cylinder body is fixedly connected with a fixing ring for blocking the piston, and the fixing ring is arranged close to an opening at the upper end of the cylinder body.
Preferably, the upper surface of the piston is integrally formed with a convex ring, and the convex ring is aligned with the fixing ring.
Preferably, the upper surface of the piston is fixedly connected with a connector, and the connector extends to the outside of the cylinder body.
Preferably, the oil storage tank is arranged concentrically with the piston, and the diameter of the oil storage tank is smaller than that of the groove.
Compared with the related art, the high-pressure cylinder piston provided by the utility model has the following beneficial effects:
1. when the oil storage device is used, external hydraulic oil enters the oil storage tank through the oil inlet pipe and then enters the groove and the arc-shaped liquid dividing groove after filling the oil storage tank, so that the oil can be rapidly distributed to the bottom of the piston, the contact area between the piston and the oil is increased, the pushing of the piston is more sensitive, the response is quicker, and the device is beneficial to use;
2. the utility model realizes the guiding of the movement of the piston through the guide ring. And two guide rings are positioned on two sides of the sealing ring, so that the blocking of oil can be realized, the oil is prevented from directly impacting the sealing ring, and the sealing effect of the sealing ring is further improved.
Drawings
FIG. 1 is a schematic view of a high pressure cylinder piston according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of the high pressure cylinder piston shown in FIG. 1;
FIG. 3 is a schematic view of the piston mechanism shown in FIG. 2;
fig. 4 is a partial bottom view of the piston mechanism shown in fig. 2.
Reference numerals in the drawings: 1. a connector; 2. a cylinder; 3. an oil inlet pipe; 4. a fixing ring; 5. a piston mechanism; 51. a piston; 52. a guide ring; 53. a seal ring; 54. a groove; 55. an arc-shaped liquid dividing groove; 6. an oil storage tank.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1 to 4 in combination, a high pressure cylinder piston includes: the oil storage tank 6 is arranged on the inner bottom wall of the cylinder body 2, and the oil inlet pipe 3 communicated with the oil storage tank 6 is fixedly connected with the outer surface of the cylinder body 2; a piston mechanism 5, the piston mechanism 5 being connected within the cylinder 2; the piston mechanism 5 comprises a piston 51, a guide ring 52, a sealing ring 53, a groove 54 and an arc-shaped liquid separating groove 55; a piston 51 is connected in a sliding manner in the cylinder body 2, and a guide ring 52 and a sealing ring 53 are connected to the outer surface of the piston 51; the lower surface of the piston 51 is provided with a groove 54, the groove 54 is arranged concentrically with the piston 51, and the groove 54 is arranged concentrically with the oil storage tank 6; the lower surface of the piston 51 is also provided with a plurality of arc-shaped liquid dividing grooves 55 which are uniformly and circumferentially arranged, and the arc-shaped liquid dividing grooves 55 are communicated with the grooves 54; the connector 1, the connector 1 is fixedly connected with the upper surface of the piston 51, and the connector 1 extends to the outside of the cylinder body 2.
It is necessary to explain that: external hydraulic oil enters the oil storage tank 6 through the oil inlet pipe 3, and enters the groove 54 and the arc-shaped liquid dividing groove 55 after filling the oil storage tank 6, so that the piston 51 is pushed to move in the cylinder body 2 through oil;
it also needs to be stated that: the oil storage tank 6, the groove 54 and the arc-shaped liquid separating tank 55 are arranged, so that oil can be rapidly distributed to the bottom of the piston 51, the contact area between the piston 51 and the oil is increased, the piston 51 is more sensitive to push and more rapid in response, and the device is facilitated to use.
Referring to fig. 2, 3 and 4, the number of the guide rings 52 is two, and the two guide rings 52 are disposed up and down; the sealing ring 53 is located between the two guide rings 52.
It is necessary to explain that: the guiding of the movement of the piston 51 is achieved by a guide ring 52. And two guide rings 52 are located on two sides of the sealing ring 53, so that blocking of oil can be achieved, the oil is prevented from directly impacting the sealing ring 53, and the sealing effect of the sealing ring 53 is improved.
Referring to fig. 3 and 4, the sealing ring 53 includes two sub-sealing rings, which are disposed up and down, and are sleeved in a mounting groove formed on the outer surface of the piston 51.
It is necessary to explain that: the two sub-sealing rings can move relatively, namely, the two sub-sealing rings do not move synchronously, so that the two sub-sealing rings can be arranged in a staggered mode, and further, the oil liquid can be better sealed, and the oil liquid sealing effect is improved.
Referring to fig. 2, a fixing ring 4 for blocking the piston 51 is fixedly connected to the inner wall of the cylinder 2, and the fixing ring 4 is disposed near the upper end opening of the cylinder 2.
It is necessary to explain that: the fixed ring 4 can block the piston 51, limit the stroke of the piston 51, avoid excessive movement of the piston 51 and improve the reliability of the device.
Referring to fig. 2, a convex ring is integrally formed on the upper surface of the piston 51, and the convex ring is aligned with the fixing ring 4.
It is necessary to explain that: the convex ring can be contacted with the fixed ring 4, and the thickness of the contact part of the fixed ring 4 and the piston 51 is increased through the convex ring, so that the damage probability of the piston 51 is reduced, and the device is beneficial to use.
As shown with reference to fig. 2 and 4, the oil reservoir 6 is arranged concentrically with the piston 51, and the diameter of the oil reservoir 6 is smaller than the diameter of the groove 54.
It is necessary to explain that: because the oil storage tank 6 is arranged concentrically with the piston 51, the oil in the oil storage tank 6 enters the groove 54, and the diameter of the oil storage tank 6 is smaller than that of the groove 54, so that the oil in the oil storage tank 6 can be better diffused in the groove 54.
The working principle of the high-pressure cylinder piston provided by the utility model is as follows:
when the oil storage device is used, external hydraulic oil enters the oil storage tank 6 through the oil inlet pipe 3 and enters the groove 54 and the arc-shaped liquid dividing groove 55 after filling the oil storage tank 6, so that the oil can be rapidly distributed to the bottom of the piston 51 due to the existence of the oil storage tank 6, the groove 54 and the arc-shaped liquid dividing groove 55, the contact area between the piston 51 and the oil is increased, the pushing of the piston 51 is more sensitive and rapid, and the device is facilitated to use;
the utility model achieves the guiding of the movement of the piston 51 by the guide ring 52. And two guide rings 52 are located on two sides of the sealing ring 53, so that blocking of oil can be achieved, the oil is prevented from directly impacting the sealing ring 53, and the sealing effect of the sealing ring 53 is improved.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. A high pressure cylinder piston, comprising:
the oil storage tank (6) is arranged on the inner bottom wall of the cylinder body (2), and the oil inlet pipe (3) communicated with the oil storage tank (6) is fixedly connected with the outer surface of the cylinder body (2);
the piston mechanism (5), the said piston mechanism (5) connects in cylinder block (2); the piston mechanism (5) comprises a piston (51), a guide ring (52), a sealing ring (53), a groove (54) and an arc-shaped liquid dividing groove (55); a piston (51) is connected in a sliding manner in the cylinder body (2), and a guide ring (52) and a sealing ring (53) are connected to the outer surface of the piston (51); the lower surface of the piston (51) is provided with a groove (54), the groove (54) is concentrically arranged with the piston (51), and the groove (54) is concentrically arranged with the oil storage tank (6); the lower surface of the piston (51) is also provided with a plurality of arc-shaped liquid dividing grooves (55) which are uniformly and circumferentially arranged, and the arc-shaped liquid dividing grooves (55) are communicated with the grooves (54).
2. The high-pressure cylinder piston according to claim 1, wherein the number of guide rings (52) is two, the two guide rings (52) being arranged up and down; the sealing ring (53) is positioned between the two guide rings (52).
3. The high-pressure cylinder piston according to claim 2, characterized in that the sealing ring (53) comprises two sub-sealing rings which are arranged up and down, and are sleeved in a mounting groove formed in the outer surface of the piston (51).
4. A high pressure cylinder piston according to any one of claims 1-3, characterized in that the inner wall of the cylinder body (2) is fixedly connected with a fixing ring (4) for blocking the piston (51), the fixing ring (4) being arranged close to the upper end opening of the cylinder body (2).
5. The high-pressure cylinder piston according to claim 4, characterized in that the upper surface of the piston (51) is integrally formed with a convex ring, which is arranged in alignment with the fixing ring (4).
6. The high-pressure cylinder piston according to claim 4, characterized in that the upper surface of the piston (51) is fixedly connected to the connecting head (1), and the connecting head (1) extends to the outside of the cylinder body (2).
7. The high-pressure cylinder piston according to claim 4, characterized in that the oil reservoir (6) is arranged concentrically with the piston (51) and that the diameter of the oil reservoir (6) is smaller than the diameter of the recess (54).
CN202322392197.5U 2023-09-04 2023-09-04 High-pressure cylinder piston Active CN220622327U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322392197.5U CN220622327U (en) 2023-09-04 2023-09-04 High-pressure cylinder piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322392197.5U CN220622327U (en) 2023-09-04 2023-09-04 High-pressure cylinder piston

Publications (1)

Publication Number Publication Date
CN220622327U true CN220622327U (en) 2024-03-19

Family

ID=90221415

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322392197.5U Active CN220622327U (en) 2023-09-04 2023-09-04 High-pressure cylinder piston

Country Status (1)

Country Link
CN (1) CN220622327U (en)

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