CN215370981U - Rubber sealing element for piston - Google Patents
Rubber sealing element for piston Download PDFInfo
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- CN215370981U CN215370981U CN202121586123.XU CN202121586123U CN215370981U CN 215370981 U CN215370981 U CN 215370981U CN 202121586123 U CN202121586123 U CN 202121586123U CN 215370981 U CN215370981 U CN 215370981U
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Abstract
The utility model discloses a rubber sealing element for a piston, which comprises a sealing ring main body, a ceramic inner ring body, a heat dissipation mechanism and a sealing mechanism, wherein the ceramic inner ring body is fixedly arranged on the inner ring wall of the sealing ring main body, the heat dissipation mechanism is arranged on the side walls of the upper end and the bottom end of the sealing ring main body, the sealing mechanism comprises an annular expansion air bag, the annular expansion air bag is annularly arranged on the outer wall of the sealing ring main body, and an annular groove is annularly arranged on the outer wall of the sealing ring main body. According to the utility model, by arranging the sealing mechanism, when the sealing ring main body is arranged on the piston rod, the sealing ring main body is subjected to pressure, so that the annular gas storage pipe and the annular expansion air bag can be simultaneously pressed, part of gas in the annular gas storage pipe enters the annular expansion air bag, the annular expansion air bag can be contacted with the inner wall of the piston cylinder, the sealing effect is good, and meanwhile, the spring is arranged in the annular gas storage pipe, so that the elasticity of the sealing ring main body can be increased, and the sealing ring is convenient to use.
Description
Technical Field
The utility model relates to the technical field of sealing elements, in particular to a rubber sealing element for a piston.
Background
The sealing element is a material or a part for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading parts in machine equipment, and the piston rod sealing element in the hydraulic system is additionally provided with a rubber sealing ring.
The existing rubber sealing ring is poor in overall sealing effect in the using process, leakage is prone to occurring, the overall heat dissipation effect of the rubber sealing ring is poor, the sealing ring is prone to deforming or being damaged due to the fact that the sealing ring moves along with the piston rod, use is affected, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a rubber seal for a piston, which solves the above problems of the related art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rubber seal for piston, includes sealing washer main part, pottery inner ring body, heat dissipation mechanism and sealing mechanism, pottery inner ring body fixed mounting is on sealing washer main part inner ring wall, heat dissipation mechanism sets up on sealing washer main part upper end and the bottom lateral wall, sealing mechanism includes annular inflation gasbag, annular inflation gasbag ring is established on sealing washer main part outer wall, sealing washer main part outer wall is fitted with a contraceptive ring and is equipped with the annular groove, annular inflation gasbag fixed mounting is inside the annular groove, heat dissipation mechanism is located annular inflation gasbag top and below.
As further preferable in the present technical solution: the heat dissipation mechanism comprises a heat dissipation groove and heat dissipation fins, the heat dissipation groove is formed in the upper end of the sealing ring main body and in the side wall of the bottom end of the sealing ring main body, the heat dissipation fins are fixedly installed on the upper end of the sealing ring main body and in the side wall of the bottom end of the sealing ring main body, and the heat dissipation fins are located on one side of the heat dissipation groove.
As further preferable in the present technical solution: the heat dissipation grooves and the heat dissipation fins are arranged in a plurality of the heat dissipation grooves and the heat dissipation fins are circumferentially and uniformly distributed on the sealing ring main body, and the heat dissipation grooves and the heat dissipation fins are arranged in a staggered mode.
As further preferable in the present technical solution: the sealing ring is characterized in that an annular gas storage pipe is arranged in the sealing ring main body, one side of the annular gas storage pipe is connected with a gas pipe, and the annular gas storage pipe is communicated with the inside of the annular expansion airbag through the gas pipe.
As further preferable in the present technical solution: the annular gas storage pipe is internally provided with a plurality of springs which are circumferentially and uniformly distributed inside the annular gas storage pipe, and the top end and the bottom end of each spring are fixedly connected with the top end and the bottom end inside the annular gas storage pipe respectively.
As further preferable in the present technical solution: annular seal groove has all been seted up to sealing washer main part upper surface and lower surface, annular seal groove is inside all to be equipped with rubber seal ring.
As further preferable in the present technical solution: a plurality of inner ring grooves are formed in the inner wall of the ceramic inner ring body, the inner ring grooves are arranged in a stacked mode, and a plurality of heat-conducting silica gel rings are arranged inside the inner ring grooves.
The utility model provides a rubber sealing element for a piston, which has the following beneficial effects:
(1) according to the utility model, by arranging the sealing mechanism, when the sealing ring main body is arranged on the piston rod, the sealing ring main body can be extruded and fixed by using the positioning bolt at the upper end of the piston rod, so that the sealing ring main body can be pressurized, the annular gas storage pipe and the annular expansion air bag can be pressurized simultaneously, part of gas in the annular gas storage pipe enters the annular expansion air bag, and the annular expansion air bag can be contacted with the inner wall of the piston cylinder, so that the sealing effect is good, meanwhile, the spring is arranged in the annular gas storage pipe, so that the elasticity of the sealing ring main body can be increased, the sealing ring main body can still keep good sealing performance after long-term use, and the use is convenient.
(2) By arranging the heat dissipation mechanism, the heat dissipation can be accelerated by utilizing the plurality of heat dissipation grooves and the heat dissipation fins, the phenomenon of deformation and damage caused by heat accumulation on the sealing ring main body is avoided, and the service life of the sealing ring is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a top view of the present invention;
fig. 4 is a schematic structural diagram of part a in fig. 2 according to the present invention.
In the figure: 1. a seal ring main body; 2. an annular inflatable bladder; 3. a heat dissipation groove; 4. a heat sink; 5. an annular groove; 6. a gas delivery pipe; 7. an annular gas storage pipe; 8. a spring; 9. a rubber seal ring; 10. an annular seal groove; 11. a heat-conducting silica gel ring; 12. a ceramic inner ring; 13. an inner ring groove; 14. a heat dissipation mechanism; 15. and a sealing mechanism.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a rubber seal for piston, including sealing washer main part 1, internal ring 12 in the pottery, heat dissipation mechanism 14 and sealing mechanism 15, internal ring 12 fixed mounting in the pottery is on 1 rampart in the sealing washer main part, heat dissipation mechanism 14 sets up on 1 upper end of sealing washer main part and the bottom lateral wall, sealing mechanism 15 includes annular inflation gasbag 2, 2 rings of annular inflation gasbag are established on 1 outer wall of sealing washer main part, 1 outer wall of sealing washer is fitted with a contraceptive ring and is equipped with annular groove 5, 2 fixed mounting of annular inflation gasbag are inside annular groove 5, heat dissipation mechanism 14 is located 2 tops of annular inflation gasbag and below.
In this embodiment, specifically: heat dissipation mechanism 14 includes heat dissipation recess 3 and fin 4, heat dissipation recess 3 is seted up on sealing washer main part 1 upper end and bottom lateral wall, fin 4 fixed mounting is on sealing washer main part 1 upper end and bottom lateral wall, and fin 4 is located heat dissipation recess 3 one side, through setting up heat dissipation recess 3, can reduce the thickness of sealing washer main part 1 part, help the heat to give off, fin 4 can adsorb the heat on the sealing washer main part 1 and give off simultaneously, increase the radiating effect.
In this embodiment, specifically: heat dissipation recess 3 and fin 4 all are equipped with a plurality ofly, and a plurality of heat dissipation recesses 3 and fin 4 all are circumference evenly distributed on sealing washer main part 1, and heat dissipation recess 3 and fin 4 crisscross setting, through setting up a plurality of heat dissipation recesses 3 and fin 4, can increase heat radiating area to can increase radiating effect, convenient to use.
In this embodiment, specifically: 1 inside annular gas receiver 7 that is equipped with of sealing washer main part, annular gas receiver 7 one side is connected with gas-supply pipe 6, annular gas receiver 7 passes through gas-supply pipe 6 and the inside intercommunication of annular inflation gasbag 2, when sealing washer main part 1 receives pressure, can make annular gas receiver 7 receive pressure to can extrude the inside partial gas of annular gas receiver 7 and send into annular inflation gasbag 2 inside through gas-supply pipe 6, make the inflation of annular inflation gasbag 2 sealed.
In this embodiment, specifically: annular gas receiver 7 is inside to be equipped with spring 8, and spring 8 is equipped with a plurality ofly, and a plurality of springs 8 are circumference evenly distributed inside annular gas receiver 7, and 8 tops of spring and bottom respectively with 7 inside tops of annular gas receiver, bottom fixed connection, can increase annular gas receiver 7's elasticity through setting up spring 8 to can increase 1 whole elasticity of sealing washer main part, prolong its life.
In this embodiment, specifically: annular seal groove 10 has all been seted up to 1 upper surface of sealing washer main part and lower surface, and annular seal groove 10 is inside all to be equipped with rubber seal ring 9, can utilize rubber seal ring 9 to seal the contact surface of 1 upper end of sealing washer main part and lower extreme.
In this embodiment, specifically: a plurality of inner ring grooves 13 have been seted up on 12 inner walls in the pottery, and a plurality of inner ring grooves 13 are range upon range of formula setting, and a plurality of inner ring grooves 13 are inside all to be equipped with heat conduction silica gel circle 11, can utilize a plurality of heat conduction silica gel circles 11 and piston rod contact, can increase the frictional force of contact.
It should be noted that, when the rubber sealing member for the piston is in operation, by arranging the sealing mechanism 15, when the sealing ring main body 1 is sleeved on the piston rod, the upper end and the lower end of the sealing ring main body 1 are respectively contacted with the backing plate, and the backing plate can be extruded by using the positioning bolt, so that the sealing ring main body 1 is tightly installed in the piston cavity, at the moment, the sealing ring main body 1 is under pressure, so that the annular gas storage pipe 7 can be under pressure, so that part of gas in the annular gas storage pipe 7 can be extruded and sent into the annular expansion gas bag 2 through the gas pipe 6, so that the annular expansion gas bag 2 is expanded to abut against the inner wall of the piston cavity for sealing, the sealing effect is good, and by arranging the spring 8 in the annular gas storage pipe 7, the elasticity of the sealing ring main body 1 can be increased, so that the sealing ring main body 1 can still keep good sealing performance after being used for a long time, and through setting up heat dissipation mechanism 14, can utilize a plurality of heat conduction silica gel rings 11 and piston rod contact, can increase the frictional force of contact, increase the stability of connection, in the use simultaneously, can utilize heat dissipation recess 3 and fin 4 to give off the heat, wherein, heat dissipation recess 3, can reduce the thickness of sealing washer main part 1 part, help the heat to give off, fin 4 can adsorb and give off the heat on the sealing washer main part 1 simultaneously, increase the radiating effect, through setting up a plurality of heat dissipation recesses 3 and fin 4, can increase heat radiating area, thereby can increase the radiating effect, avoid on the sealing washer main part 1 heat gathering to lead to appearing deformation, the phenomenon of damage, the life of extension sealing washer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides a rubber seal for piston, its characterized in that, includes sealing washer main part (1), pottery inner ring body (12), heat dissipation mechanism (14) and sealing mechanism (15), pottery inner ring body (12) fixed mounting is on sealing washer main part (1) inner ring wall, heat dissipation mechanism (14) set up on sealing washer main part (1) upper end and the bottom lateral wall, sealing mechanism (15) are including annular inflation gasbag (2), annular inflation gasbag (2) ring is established on sealing washer main part (1) outer wall, sealing washer main part (1) outer wall is fitted with a contraceptive ring and is equipped with annular groove (5), annular inflation gasbag (2) fixed mounting is inside annular groove (5), heat dissipation mechanism (14) are located annular inflation gasbag (2) top and below.
2. A rubber seal for a piston as set forth in claim 1, wherein: radiating mechanism (14) are including heat dissipation recess (3) and fin (4), set up on sealing washer main part (1) upper end and bottom lateral wall heat dissipation recess (3), fin (4) fixed mounting is on sealing washer main part (1) upper end and bottom lateral wall, and fin (4) are located heat dissipation recess (3) one side.
3. A rubber seal for a piston according to claim 2, wherein: the heat dissipation grooves (3) and the heat dissipation fins (4) are multiple in number, the heat dissipation grooves (3) and the heat dissipation fins (4) are circumferentially and uniformly distributed on the sealing ring main body (1), and the heat dissipation grooves (3) and the heat dissipation fins (4) are arranged in a staggered mode.
4. A rubber seal for a piston as set forth in claim 1, wherein: the sealing ring is characterized in that an annular gas storage pipe (7) is arranged inside the sealing ring main body (1), one side of the annular gas storage pipe (7) is connected with a gas transmission pipe (6), and the annular gas storage pipe (7) is communicated with the inside of the annular expansion airbag (2) through the gas transmission pipe (6).
5. The rubber seal for a piston as set forth in claim 4, wherein: annular gas receiver (7) inside is equipped with spring (8), spring (8) are equipped with a plurality ofly, and are a plurality of spring (8) are circumference evenly distributed inside annular gas receiver (7), and spring (8) top and bottom respectively with annular gas receiver (7) inside top, bottom fixed connection.
6. A rubber seal for a piston as set forth in claim 1, wherein: annular seal groove (10) have all been seted up to sealing washer main part (1) upper surface and lower surface, annular seal groove (10) inside all is equipped with rubber seal ring (9).
7. A rubber seal for a piston as set forth in claim 1, wherein: a plurality of inner ring grooves (13) are formed in the inner wall of the ceramic inner ring body (12), the inner ring grooves (13) are arranged in a stacked mode, and heat-conducting silica gel rings (11) are arranged inside the inner ring grooves (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121586123.XU CN215370981U (en) | 2021-07-13 | 2021-07-13 | Rubber sealing element for piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121586123.XU CN215370981U (en) | 2021-07-13 | 2021-07-13 | Rubber sealing element for piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215370981U true CN215370981U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121586123.XU Active CN215370981U (en) | 2021-07-13 | 2021-07-13 | Rubber sealing element for piston |
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| CN (1) | CN215370981U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887750A (en) * | 2022-03-21 | 2022-08-12 | 华能武汉发电有限责任公司 | Concatenation formula coal supporting disc for ring type coal feeder |
| CN115638881A (en) * | 2022-10-31 | 2023-01-24 | 菏泽嘉泽电子材料有限公司 | Glass-lined temperature measuring tube with good sealing effect |
| CN117780289A (en) * | 2024-02-27 | 2024-03-29 | 西派集团有限公司 | High sulfur-resistant combined type metal seal tubing head |
-
2021
- 2021-07-13 CN CN202121586123.XU patent/CN215370981U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887750A (en) * | 2022-03-21 | 2022-08-12 | 华能武汉发电有限责任公司 | Concatenation formula coal supporting disc for ring type coal feeder |
| CN114887750B (en) * | 2022-03-21 | 2023-11-03 | 华能武汉发电有限责任公司 | Concatenation formula holds coal dish for ring type feeder |
| CN115638881A (en) * | 2022-10-31 | 2023-01-24 | 菏泽嘉泽电子材料有限公司 | Glass-lined temperature measuring tube with good sealing effect |
| CN117780289A (en) * | 2024-02-27 | 2024-03-29 | 西派集团有限公司 | High sulfur-resistant combined type metal seal tubing head |
| CN117780289B (en) * | 2024-02-27 | 2024-05-03 | 西派集团有限公司 | High sulfur-resistant combined type metal seal tubing head |
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