CN215487947U - Hydraulic machine for breather valve driving device - Google Patents
Hydraulic machine for breather valve driving device Download PDFInfo
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- CN215487947U CN215487947U CN202023086264.3U CN202023086264U CN215487947U CN 215487947 U CN215487947 U CN 215487947U CN 202023086264 U CN202023086264 U CN 202023086264U CN 215487947 U CN215487947 U CN 215487947U
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Abstract
The utility model discloses a hydraulic machine used in a breather valve driving device, which comprises a shell and a mandril, wherein the mandril is arranged in the shell; the improved structure is characterized in that an upper bushing is arranged in the shell, the ejector rod is inserted into the upper bushing, a circle of first annular notch is formed in the inner side wall of the upper bushing along the circumferential direction of the inner side wall, a circle of second annular notch is formed in the outer side wall of the upper bushing along the circumferential direction of the outer side wall of the upper bushing, and a sealing ring is arranged in each first annular notch and each second annular notch. The application provides a hydraulic press for among breather valve drive arrangement slides in last bush through the ejector pin, avoids rubbing between ejector pin and the casing inside wall to cause the damage to the casing, all sets up the sealing washer between last bush lateral surface and the casing and between medial surface and the ejector pin, makes sealed effect better between ejector pin and the casing.
Description
Technical Field
The utility model relates to the technical field of ship transmission devices, in particular to a hydraulic machine used in a breather valve driving device.
Background
The vent valve driving device is used for driving the vent valve and the transmission mechanism on the submarine to smoothly open and close the air inlet and outlet of the ballast water tank within a specified time without clamping stagnation.
When an existing hydraulic machine used in a vent valve driving device acts, a push rod in the hydraulic machine directly drives to open or close a vent valve, and due to the fact that force on the push rod is large, after the push rod moves for many times, abrasion between the push rod and a shell is serious, sealing failure between the push rod and the shell is caused, and water leakage of the hydraulic machine is caused.
SUMMERY OF THE UTILITY MODEL
The application provides a hydraulic press for among breather valve drive arrangement, has solved the technical problem that sealed effect is poor between the ejector pin of hydraulic press and the casing among the prior art.
The application provides a hydraulic machine for use in a breather valve drive, the hydraulic machine comprising a housing and a ram, the ram disposed in the housing;
the improved structure is characterized in that an upper bushing is arranged in the shell, the ejector rod is inserted into the upper bushing, a circle of first annular notch is formed in the inner side wall of the upper bushing along the circumferential direction of the inner side wall, a circle of second annular notch is formed in the outer side wall of the upper bushing along the circumferential direction of the outer side wall of the upper bushing, and a sealing ring is arranged in each first annular notch and each second annular notch.
Preferably, the outer side wall of the upper bushing, which is close to the power input end of the ejector rod, is provided with a first annular groove, a first annular boss is integrally formed outwards at a position, corresponding to the first annular groove, of the inner side wall of the shell, and the first annular boss is arranged in the first annular groove.
Preferably, the first annular gap and the second annular gap are arranged in a staggered mode, and the first annular gap and the second annular gap are both arranged on the upper bushing below the first annular groove.
Preferably, a gland is arranged in the shell, the gland is arranged on one side, close to the power input end of the ejector rod, of the upper bushing, annular sealing packing is arranged in the shell, the sealing packing is arranged between the upper bushing and the gland, and the ejector rod is inserted into the sealing packing.
Preferably, the sealing filler is formed by weaving multiple groups of reinforced flexible graphite.
Preferably, the reinforced flexible graphite is internally provided with 304 stainless steel wires.
Preferably, a first through notch which is perpendicular to the axial direction of the shell is formed in the side wall of the shell and corresponds to the gland, two first convex shoulders are oppositely arranged at one end, away from the sealing filler, of the gland, and the first convex shoulders are correspondingly arranged in the first notch;
two second convex shoulders are oppositely arranged on the side face, corresponding to the position of the sealing packing, of the shell, and the second convex shoulders are fixedly connected with the first convex shoulders through bolts.
Preferably, a lower bushing is fixedly arranged inside the shell, the lower bushing is arranged in the shell, one side of the first notch, which is far away from the output end of the ejector rod, of the first notch, the ejector rod is arranged in the lower bushing, and second notches are formed in the lower bushing and the shell.
Preferably, one end of the lower bushing, which is close to the first notch, is integrally formed with a second annular boss outward, a second annular groove is formed in the inner side wall of the housing, which corresponds to the second annular boss, and the second annular boss is arranged in the second annular groove.
Preferably, a pressure oil injector is fixedly arranged on the side face of the shell and comprises a body, an oil cover, an oil rod, a pressure ring and a leather cup;
one end of the body is open, the other end of the body is provided with an oil nozzle, the oil nozzle is communicated with the interior of the body, a plugging ball is arranged at one end, close to the body, of the interior of the oil nozzle, a plugging ring is connected to one end, far away from the body, of the interior of the oil nozzle through threads, a spring is arranged in the oil nozzle, and the spring is fixedly connected with the plugging ball;
the oil cap with body threaded connection, the oil cap corresponds the fixed beam hanger that is provided with of terminal surface of body, the beam hanger is kept away from the one end of oil cap is fixed clamping ring and the leather cup of having set gradually, the bowl mouth orientation of leather cup the body is inside to be set up, leather cup sliding seal sets up this is internal, the clamping ring with the leather cup is close to the terminal surface contact of oil cap.
The beneficial effect of this application is as follows:
the application provides a hydraulic press for among breather valve drive arrangement slides in last bush through the ejector pin, avoids rubbing between ejector pin and the casing inside wall to cause the damage to the casing, all sets up the sealing washer between last bush lateral surface and the casing and between medial surface and the ejector pin, makes sealed effect better between ejector pin and the casing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a side cross-sectional view of a hydraulic machine provided herein;
fig. 2 is a second side sectional view of a hydraulic machine provided in the present application;
FIG. 3 is a side cross-sectional view of the housing in an embodiment of the present application;
FIG. 4 is a second side sectional view of the housing in the embodiment of the present application;
FIG. 5 is a side cross-sectional view of an upper bushing in an embodiment of the present application;
FIG. 6 is a side cross-sectional view of a gland in an embodiment of the present application;
FIG. 7 is a schematic view of the pressure lubricator in the embodiment of the present application.
Wherein, 10-shell; 101-a cross oil groove; 11-a top rod; 12-a connecting rod; 13-an upper bushing; 14-a sealing ring; 15-a first annular indentation; 16-a second annular indentation; 17-a first annular groove; 18-a first annular boss; 19-sealing packing; 20-pressing the cover; 21-a first notch; 22-a first shoulder; 23-a second shoulder; 24-a lower bushing; 25-a second notch; 26-a second annular boss; 27-a second annular groove; 30-pressure lubricator; 31-a body; 32-oil cover; 33-a sucker rod; 34-a leather cup; 36-a nozzle tip; 361-blocking ball; 362-blocking ring; 363-spring.
Detailed Description
The embodiment of the application provides a hydraulic press for among breather valve drive arrangement, has solved the technical problem that sealed effect is poor between the ejector pin of hydraulic press and the casing among the prior art.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
as shown in fig. 1 to 4, the present application provides a hydraulic machine for use in a breather valve drive device, the hydraulic machine including a housing 10 and a jack 11, the jack 11 being disposed in the housing 10.
An upper bushing 13 is arranged in the shell 10, the ejector rod 11 is inserted into the upper bushing 13, a circle of first annular gap 15 is formed in the inner side wall of the upper bushing 13 along the circumferential direction of the inner side wall, a circle of second annular gap 16 is formed in the outer side wall of the upper bushing 13 along the circumferential direction of the outer side wall of the upper bushing, and sealing rings 14 are arranged in the first annular gap 15 and the second annular gap 16.
Through ejector pin 11 slides in last bush 13, avoid between ejector pin 11 and the casing 10 inside wall friction to cause the damage to casing 10, all set up sealing washer 14 between last bush 13 lateral surface and casing 10 and between medial surface and ejector pin 11, make between ejector pin 11 and the casing 10 sealed effect better.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 1-5, in order to solve the technical problem of poor sealing effect between the ejector rod 11 and the housing 10 of the hydraulic press in the prior art, the embodiment provides a hydraulic press for a breather valve driving device, a power input end of the ejector rod 11 is hinged with a connecting rod 12, a lower end of the connecting rod 12 is connected with the driving device through a crank, and the driving device drives a crank-connecting rod mechanism to rotate, so as to drive the ejector rod 11 to slide up and down in the housing; a first annular groove 17 is formed in one end, close to the connecting rod 12, of the outer side wall of the upper bushing 13, a first annular boss 18 is integrally formed on the outer side wall of the shell 10, corresponding to the first annular groove 17, and the first annular boss 18 is arranged in the first annular groove 17, so that the fixing effect between the upper bushing 13 and the shell 10 is better.
First annular breach 15 with second annular breach 16 dislocation set, first annular breach 15 with second annular breach 16 all sets up first annular recess 17 below on last bush 13, reduce set up first annular breach 15 on last bush 13 with second annular breach 16 causes the influence to last bush 13 intensity.
As shown in fig. 1 to 6, in order to solve the technical problem of poor sealing effect between the ram 11 and the housing 10 of the hydraulic machine in the prior art, the present embodiment provides a hydraulic machine for a breather valve driving device, a gland 20 is arranged in the housing 10, and the gland 20 is arranged on one side of the upper bushing 13 close to the power input end of the ram 10.
An annular sealing packing 19 is arranged inside the shell 10, the sealing packing 19 is arranged between the upper bushing 13 and the gland 20, the ejector rod 11 is inserted into the sealing packing 19, and the shell 10 and the ejector rod 11 are simultaneously sealed through the sealing packing 19 and the sealing ring 14, so that the sealing effect between the ejector rod 11 and the shell 10 is better; the sealing filler 19 is formed by weaving a plurality of groups of reinforced flexible graphite, and 304 stainless steel wires are arranged in the reinforced flexible graphite, so that the strength of the sealing filler 19 is improved, and the service life of the sealing filler 19 is prolonged.
A first completely through notch 21 perpendicular to the axial direction of the housing 10 is formed in the side wall of the housing 10 corresponding to the gland 20, two first shoulders 22 are oppositely arranged at one end of the gland 20 away from the sealing packing 19, and the first shoulders 22 are correspondingly arranged in the first notch 21;
two second shoulders 23 are oppositely arranged on the side surface of the shell 10 corresponding to the position of the sealing packing 19, the second shoulders 23 are fixedly connected with the first shoulders 22 through bolts, and the gland 20 can compress the sealing packing 19 through the fixed connection between the first shoulders 22 and the second shoulders 23, so that the upper bushing 13 is prevented from moving in the shell 10, and the sealing effect of the sealing packing 19 and the sealing ring 14 is improved.
The casing 10 is internally and fixedly provided with a lower bushing 24, the lower bushing 24 is fixedly connected with the casing 10 through a fixing pin or a jackscrew, the lower bushing 24 is arranged in the casing 10, the first notch 21 is far away from the output end side of the ejector rod 11, the ejector rod 11 and the connecting rod 12 are arranged in the lower bushing 24, the lower bushing 24 and the casing 10 correspond to the rotating direction of the connecting rod 12, and a second notch 25 is arranged in the rotating direction of the connecting rod 12, so that the connecting rod 12 can rotate in the second notch 25.
The one end that lower bushing 24 is close to first breach 21 outwards an organic whole is formed with second annular boss 26, casing 10 inside wall corresponds second annular boss 26's position has seted up second annular groove 27, second annular boss 26 sets up in second annular groove 27, uses through lower bushing 24 and the cooperation of last bush 13, makes ejector pin 11 can move along casing 10 axis direction, reduces the friction between ejector pin 11 and the casing 10, avoids causing casing 10 inner wall wearing and tearing.
As shown in fig. 1 and 7, in order to solve the technical problem of oil shortage between the top rod 11 and the housing 10 in the hydraulic machine in the prior art, the embodiment provides a hydraulic machine for a breather valve driving device, a pressure oil injector 30 is fixedly arranged on the side surface of the housing 10, and the pressure oil injector 30 comprises a body 31, an oil cover 32, an oil rod 33, a pressing ring 34 and a leather cup 35;
one end of the body 31 is open, the other end of the body 31 is provided with an oil nozzle 36, the oil nozzle 36 is communicated with the inside of the body 31, one end of the inside of the oil nozzle 36, which is close to the body 31, is provided with a blocking ball 361, one end of the inside of the oil nozzle 36, which is far away from the body 31, is in threaded connection with a blocking ring 362, a spring 363 is arranged in the oil nozzle 36, and the spring 363 is fixedly connected with the blocking ball 361;
In the above embodiment, after the oil cover 32 is rotated to open, the lubricating oil is added into the body 31, the oil cover 32 is screwed, the leather cup 35 enters the hydraulic oil in the body 31 into the oil nipple 36, the pressing ring 34 prevents the leather cup 35 from deforming toward the oil cover 32, the sealing ball 361 is pushed open by the hydraulic oil, the hydraulic oil enters the cross oil groove through the oil nipple 36, and the ejector rod 11 and the upper bushing 13 as well as the upper bushing 13 and the housing 10 are lubricated, so that friction is reduced.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A hydraulic machine for use in a breather valve drive, comprising a housing and a ram, the ram being disposed in the housing;
an upper bushing is arranged in the shell, the ejector rod is inserted into the upper bushing, a circle of first annular notch is formed in the inner side wall of the upper bushing along the circumferential direction of the inner side wall, a circle of second annular notch is formed in the outer side wall of the upper bushing along the circumferential direction of the outer side wall of the upper bushing, and sealing rings are arranged in the first annular notch and the second annular notch;
a gland is arranged in the shell, the gland is arranged on one side, close to the power input end of the ejector rod, of the upper bushing, annular sealing packing is arranged in the shell, the sealing packing is arranged between the upper bushing and the gland, and the ejector rod is inserted into the sealing packing;
the sealing filler is formed by weaving a plurality of groups of reinforced flexible graphite, and 304 stainless steel wires are arranged in the reinforced flexible graphite.
2. The hydraulic machine for the breather valve drive according to claim 1, wherein the outer sidewall of the upper bushing near the power input end of the ram is formed with a first annular groove, and the inner sidewall of the housing corresponding to the first annular groove is formed with a first annular projection outwardly and integrally, and the first annular projection is disposed in the first annular groove.
3. The hydraulic machine for use in a breather valve drive of claim 2, wherein said first annular notch and said second annular notch are offset and both open on said upper bushing below said first annular groove.
4. The hydraulic machine for a breather valve drive according to claim 1, wherein the housing side wall is provided with a first completely through notch perpendicular to the housing axial direction at a position corresponding to the gland, and two first shoulders are oppositely arranged at an end of the gland away from the packing material and are correspondingly arranged in the first notch;
two second convex shoulders are oppositely arranged on the side face, corresponding to the position of the sealing packing, of the shell, and the second convex shoulders are fixedly connected with the first convex shoulders through bolts.
5. The hydraulic machine for the breather valve drive according to claim 4, wherein a lower bushing is fixedly arranged inside the housing, the lower bushing is arranged in the housing on the side of the first notch far away from the output end of the ejector rod, the ejector rod is arranged in the lower bushing, and second notches are arranged on the lower bushing and the housing.
6. The hydraulic machine for the vent valve driving device according to claim 5, wherein a second annular boss is integrally formed at one end of the lower bushing close to the first notch, a second annular groove is formed in the inner side wall of the housing at a position corresponding to the second annular boss, and the second annular boss is disposed in the second annular groove.
7. The hydraulic machine for the breather valve driving device according to claim 1, wherein a pressure oil injector is fixedly arranged on the side surface of the shell, a cross-shaped oil groove is arranged at the position of the shell corresponding to the upper bushing, the pressure oil injector is communicated with the cross-shaped oil groove, and the pressure oil injector comprises a body, an oil cover, an oil rod, a pressing ring and a leather cup;
one end of the body is open, the other end of the body is provided with an oil nozzle, the oil nozzle is communicated with the interior of the body, a plugging ball is arranged at one end, close to the body, of the interior of the oil nozzle, a plugging ring is connected to one end, far away from the body, of the interior of the oil nozzle through threads, a spring is arranged in the oil nozzle, and the spring is fixedly connected with the plugging ball;
the oil cap with body threaded connection, the oil cap corresponds the fixed beam hanger that is provided with of terminal surface of body, the beam hanger is kept away from the one end of oil cap is fixed clamping ring and the leather cup of having set gradually, the bowl mouth orientation of leather cup the body is inside to be set up, leather cup sliding seal sets up this is internal, the clamping ring with the leather cup is close to the terminal surface contact of oil cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023086264.3U CN215487947U (en) | 2020-12-18 | 2020-12-18 | Hydraulic machine for breather valve driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023086264.3U CN215487947U (en) | 2020-12-18 | 2020-12-18 | Hydraulic machine for breather valve driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487947U true CN215487947U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023086264.3U Active CN215487947U (en) | 2020-12-18 | 2020-12-18 | Hydraulic machine for breather valve driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487947U (en) |
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2020
- 2020-12-18 CN CN202023086264.3U patent/CN215487947U/en active Active
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