CN111997954A - A combination valves for compressed air treatment for armoured vehicle - Google Patents
A combination valves for compressed air treatment for armoured vehicle Download PDFInfo
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- CN111997954A CN111997954A CN202010717442.3A CN202010717442A CN111997954A CN 111997954 A CN111997954 A CN 111997954A CN 202010717442 A CN202010717442 A CN 202010717442A CN 111997954 A CN111997954 A CN 111997954A
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- Prior art keywords
- sealing ring
- external thread
- thread cylinder
- air outlet
- ring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0206—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the collar not being integral with the pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
- F16L19/0218—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
Abstract
The invention relates to the technical field of combined valves, and particularly discloses a combined valve group for compressed air treatment of an armored vehicle. All the gas processing elements are inserted in one valve seat, and all the gas processing elements are communicated in the valve seat through the gas flow channel without an external pipeline, so that leakage points of the pipeline are eliminated, the pipeline arrangement is reduced, the assembly efficiency of the armored car is improved, and the assembly cost is reduced; meanwhile, the occupied space of the gas treatment system is reduced, all originally required pipelines are replaced by valve seats, and the structure of the gas treatment system is optimized.
Description
Technical Field
The invention relates to the technical field of combined valves, in particular to a combined valve group for compressed air treatment of an armored vehicle.
Background
Compressed air currently on armored vehicles needs to be processed through a gas treatment system: oil-water separation, filtration, pressure reduction, slag discharge, pressure regulation protection and the like, so that the gas can be supplied to a specific gas-using element through an electromagnetic valve. Different gas treatment components are required to be utilized in different treatment processes and then output to the next gas treatment component through a pipeline. Pipelines among all the gas treatment elements are generally connected through connecting nuts, the air leakage amount is not negligible, and the air compressor in the system is greatly loaded, so that the reliability of the system is influenced. Meanwhile, each gas distribution part in the existing compressed air, such as an electromagnetic valve, a pressure reducing valve and the like, is connected through a pipeline, the connection workload is large, time and labor are consumed, the occupied space of the pipeline is large, and the complexity of the layout design of each part of the armored car is increased.
Disclosure of Invention
The invention aims to: provides a combined valve group for compressed air treatment of armored vehicles, and solves the problem of low air pressure
The technical scheme adopted by the invention is as follows:
the utility model provides a compressed air handles and uses combination valves for armored car, is including being located the gas treatment system between air supply unit and the executive component, gas treatment system includes oil water separator and a plurality of control element, still includes the disk seat be provided with air supply interface, load interface and be located its inside airflow channel on the disk seat, oil water separator and control element all install on the disk seat and inside air flue respectively all communicates with airflow channel, and air supply unit sends into the inside airflow channel of disk seat with gaseous through air supply interface, in sending the executive component from load interface behind the gas treatment system again.
Further, oil water separator passes through coupling assembling to be fixed in one side of disk seat, coupling assembling includes bottom plate, mounting panel and screw, one side of bottom plate is connected with the lateral wall of disk seat, the bottom at oil water separator is fixed to the mounting panel, and its week is provided with a plurality of unthreaded holes, the quantity of screw is unanimous with the quantity of unthreaded hole, its pole portion end respectively pass behind a unthreaded hole with bottom plate threaded connection respectively.
Furthermore, the air outlet end of the air outlet pipeline of the oil-water separator is hermetically connected with the air inlet end communicated with the air outlet pipeline on the air flow channel through a connecting assembly, the connecting assembly comprises a nut, a bearing, a sealing ring and an external thread cylinder, the axes of the nut, the bearing, the sealing ring and the external thread cylinder are overlapped, the bearing is sleeved on the air outlet pipeline and axially fixed on the air outlet pipeline, the nut is sleeved on the bearing and is in interference fit with the outer ring of the bearing, the bottom of the external thread cylinder is inserted into the valve seat and is hermetically welded with the valve seat, and the top of the external thread cylinder is inserted into the inner; the sealing ring is located between the air outlet pipeline and the external thread cylinder, and the sealing ring, the air outlet pipeline and the external thread cylinder are in an axial locking state.
Furthermore, an annular sealing ring groove is formed in the top of the external thread cylinder, and the axis of the sealing ring groove is overlapped with the axis of the external thread cylinder; the sealing ring is a U-shaped sealing ring, the annular groove body of the sealing ring is positioned on the upper side of the sealing ring, the lower side of the sealing ring is inserted into the sealing ring groove, and the tail end of the air outlet pipeline is inserted into the annular groove body of the sealing ring.
Further, a covering sealing ring which is integrally formed with the sealing ring is arranged on the inner side of the sealing ring, the axis of the covering sealing ring is overlapped with the axis of the sealing ring, the covering sealing ring is located in the inner hole of the external thread cylinder, the outer circumferential surface of the covering sealing ring is in interference fit with the inner hole of the external thread cylinder, and the upper side of the outer circumferential surface of the covering sealing ring protrudes outwards to form a ring body which is connected with the upper side of the sealing ring into a whole.
Further, the thickness dimension of the covering sealing ring is gradually reduced along with the distance from the air outlet pipeline.
Further, a collar is convexly formed on the outer circumferential surface of the air outlet pipeline and positioned on the upper side of the bearing, and the top of the inner ring of the bearing is in contact with the lower side of the collar; an annular mounting groove is formed in the outer circumferential surface of the air outlet pipeline and located on the lower side of the bearing, an elastic clamping ring is mounted in the annular mounting groove, and the upper side of the elastic clamping ring is in contact with the lower side of the inner ring of the bearing.
Furthermore, the upper side of the inner ring of the nut is internally projected to form an inner ring body, and the lower side of the inner ring body is connected with the upper side of the outer ring of the bearing.
Further, the external thread cylinder is sleeved with a spring, the upper end and the lower end of the spring are respectively in contact with the nut and the valve seat, and the spring is in a compressed state.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention relates to a combined valve group for compressed air treatment of an armored vehicle, wherein an oil-water separator and a plurality of control elements in a gas treatment system are all arranged on a valve seat, and the oil-water separator, the control elements, a gas source device and an execution element are communicated through a gas flow channel in the valve seat, so that the basic functions of the gas treatment system are met: on the basis of facilitating the gas flow and finishing the preset operation, the gas leakage problem of each processing component can be effectively avoided; specifically, all the gas processing components are inserted into one valve seat, and the gas processing components are communicated with each other inside the valve seat through gas flow channels, so that external pipelines are not needed, leakage points of the pipelines are eliminated, pipeline arrangement is reduced, the assembly efficiency of the armored car is improved, and the assembly cost is reduced; meanwhile, the space occupied by the gas treatment system is reduced, and all originally required pipelines are replaced by valve seats, so that the structure of the gas treatment system is optimized; when a certain component is damaged, the component can be directly dismounted, and a new component is mounted, so that the convenience of later maintenance is improved;
2. the combined valve group for processing the compressed air for the armored vehicle is simple in structure and convenient to assemble, the nut which can independently rotate relative to the air outlet pipeline can be mounted on the air outlet pipeline through the bearing, and convenience of threaded connection or loosening between the nut and the external thread cylinder is improved;
3. according to the combined valve group for compressed air treatment of the armored vehicle, the inner side of the top of the external thread cylinder is covered by the covering sealing ring, so that a path required by pressure gas leakage is increased, and the sealing performance of the combined valve group is improved; and most importantly, when the pressure gas is introduced into the inner side of the covering sealing ring, the pressure gas generates outward thrust on the covering sealing ring, so that the covering sealing ring is tightly attached to the outer thread cylinder, and the sealing property of the invention is improved;
4. the purpose of arranging the upper covering sealing ring is the same as that of arranging the covering sealing ring, when pressure gas is introduced into the inner side of the upper covering sealing ring, the upper covering sealing ring generates outward thrust to enable the upper covering sealing ring to be tightly attached to the air outlet pipeline, and the sealing performance of the valve group for processing the compressed air of the armored vehicle is further improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings needed to be used in the embodiment will be briefly described below, and it should be understood that the proportional relationship of each component in the drawings in this specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic view of the gas circuit of embodiment 1;
FIG. 3 is a schematic structural view of the connection assembly;
fig. 4 is a schematic structural view of the seal ring.
Reference numerals in the drawings indicate:
1-oil-water separator, 2-pressure reducing valve, 3-one-way electromagnetic valve, 4-three-way electromagnetic valve, 5-automatic pressure regulating valve, 6-oil-water separator, 7-valve seat, 8-bottom plate, 9-mounting plate, 10-screw, 11-air outlet pipeline, 12-nut, 13-bearing, 14-sealing ring, 15-external thread cylinder, 16-sealing ring groove, 17-covering sealing ring, 18-shaft ring, 19-annular mounting groove, 20-elastic snap ring and 21-spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
The present invention will be described in detail with reference to fig. 1, 2 to 3.
Example 1
As shown in fig. 1 and 2, the combined valve set for compressed air treatment of an armored vehicle according to the present invention includes a gas treatment system located between a gas source device and an actuator, the gas treatment system includes an oil-water separator 1 and a plurality of control elements, and further includes a valve seat 7, the valve seat 7 is provided with a gas source interface, a load interface and a gas flow channel located inside the load interface, the oil-water separator 1 and the control elements are both mounted on the valve seat 7, and the respective internal gas channels are both communicated with the gas flow channel, the gas source device sends gas into the gas flow channel inside the valve seat 7 through the gas source interface, and the gas is sent into the actuator from the load interface after passing through the gas treatment system.
The air source device is a compressed air generating device, and is also provided with auxiliary devices for storing and purifying compressed air, such as an air compressor and an air storage tank, according to the actual working condition; the executing element is an element which can convert gas pressure energy into mechanical energy and complete acting action, and comprises but is not limited to a pneumatic cylinder and a pneumatic motor; the control element is an element that controls the pressure, flow rate and direction of movement of the gas, such as various valves or elements that perform a certain logic function, i.e. an activation logic element.
In the invention, an oil-water separator 1 and a plurality of control elements in a gas treatment system are all arranged on a valve seat 7, and the oil-water separator 1, the control elements, a gas source device and an execution element are communicated through a gas flow channel in the valve seat 7, so that the basic functions of the gas treatment system are satisfied: on the basis of facilitating gas flow and finishing preset operation, the gas leakage problem of each processing component (an oil-water separator and a control element) can be effectively avoided; specifically, all the gas processing components are inserted into one valve seat, and the gas processing components are communicated with each other inside the valve seat through gas flow channels, so that external pipelines are not needed, leakage points of the pipelines are eliminated, pipeline arrangement is reduced, the assembly efficiency of the armored car is improved, and the assembly cost is reduced; meanwhile, the space occupied by the gas treatment system is reduced, and all originally required pipelines are replaced by valve seats, so that the structure of the gas treatment system is optimized; when a certain component is damaged, the component can be directly detached, a new component is installed, and convenience of later maintenance is improved.
For example, when the hydraulic pressure of the gas treatment system is remote from the principle shown in fig. 1, a structure in which the respective treatment components are mounted on the valve seat 7 is shown in fig. 2.
Example 2
The present embodiment is explained about the mounting structure of the oil water separator 1.
As shown in fig. 2, in the present invention, the oil-water separator 1 is fixed on one side of the valve seat 7 through a connecting assembly, the connecting assembly includes a bottom plate 8, a mounting plate 9 and screws 10, one side of the bottom plate 8 is connected with a side wall of the valve seat 7, the mounting plate 9 is fixed at the bottom of the oil-water separator 1, a plurality of unthreaded holes are arranged around the mounting plate, the number of the screws 10 is the same as the number of the unthreaded holes, and the ends of the rod portions of the screws respectively penetrate through one unthreaded hole and then are in threaded connection with the bottom plate 8.
Example 3
In this embodiment, a sealing connection between the outlet port of the oil-water separator and the valve seat 7 is explained on the basis of the above embodiments.
As shown in fig. 3, in the present invention, an air outlet end of an air outlet pipe 11 of the oil-water separator 1 is hermetically connected with an air inlet end communicated with the air outlet pipe on an air flow channel through a connection assembly, the connection assembly includes a nut 12, a bearing 13, a seal ring 14 and an external thread cylinder 15, axes of the nut 12 and the bearing 13 coincide with each other, the bearing 13 is sleeved on the air outlet pipe 11 and is axially fixed on the air outlet pipe 11, the nut 12 is sleeved on the bearing 13 and is in interference fit with an outer ring of the bearing 13, a bottom of the external thread cylinder 15 is inserted into a valve seat 7 and is hermetically welded with the valve seat 7, and a top of the external thread cylinder is inserted into an; the sealing ring 14 is located between the air outlet pipeline 11 and the external thread cylinder 15, and the sealing ring 14, the air outlet pipeline 11 and the external thread cylinder 15 are in an axial locking state.
When the oil-water separator 1 needs to be replaced, the connection structure between the gas outlet pipeline 11 and the valve seat 1 needs to be released, specifically, the nut 12 is rotated to be away from the external thread cylinder 15, so that the gas outlet pipeline 11 is in connection contact with the valve seat 1; then, a new oil-water separator is installed on one side of the valve seat 7, then, the tail end of the air outlet pipeline 11 is opposite to the external thread cylinder 15, the sealing ring 14 is located between the sealing ring and the external thread cylinder 15, then, the nut 12 is rotated to enable the sealing ring to be in threaded connection with the external thread cylinder 15 until the sealing ring 14, the air outlet pipeline 11 and the external thread cylinder 15 are in an axial locking state, sealing between the air outlet pipeline and the valve seat 7 is guaranteed, and pressure gas is prevented from leaking.
The connecting component designed by the invention has a simple structure and is convenient to assemble, and the nut which can independently rotate relative to the air outlet pipeline 11 can be arranged on the air outlet pipeline through the bearing, so that the convenience of threaded connection or loosening between the nut and the external thread cylinder 15 is improved.
Further, an annular seal ring groove 16 is arranged at the top of the external thread cylinder 15, and the axis of the seal ring groove 16 is overlapped with the axis of the external thread cylinder 15; the sealing ring 14 is a U-shaped sealing ring, an annular groove body of the sealing ring 14 is positioned on the upper side of the sealing ring, the lower side of the sealing ring 14 is inserted into the sealing ring groove 16, and the tail end of the air outlet pipeline 11 is inserted into the annular groove body of the sealing ring 14.
The arrangement of the U-shaped sealing ring and the annular sealing ring groove 16 increases the sealing surface between the external thread cylinder 15 and the air outlet pipeline 11, and improves the sealing performance of the invention.
Further, a covering sealing ring 17 which is integrally formed with the sealing ring 14 is arranged on the inner side of the sealing ring 14, the axis of the covering sealing ring 17 is overlapped with the axis of the sealing ring 14, the covering sealing ring 17 is positioned in the inner hole of the external thread cylinder 15, the outer circumferential surface of the covering sealing ring 17 is in interference fit with the inner hole of the external thread cylinder 15, and the upper side of the outer circumferential surface of the covering sealing ring 17 protrudes out to form a ring body which is connected with the upper side of the sealing ring 14 into a whole.
Further, the thickness dimension of the covering gasket 17 is gradually reduced as it goes away from the outlet pipe 11.
The covering sealing ring 17 covers the inner side of the top of the external thread cylinder 15, so that a path required by pressure gas leakage is increased, and the sealing performance of the invention is improved; and most importantly, when the pressure gas is introduced into the inner side of the covering sealing ring 17, the pressure gas generates outward thrust on the covering sealing ring 17, so that the covering sealing ring 17 is tightly attached to the external thread cylinder 15, and the sealing performance of the invention is improved.
In order to further improve the sealing performance of the present invention, it is preferable that an upper covering sealing ring 22 is protruded on the top of the inner side of the sealing ring 14, an outer wall of the upper covering sealing ring 22 is fitted to the inner wall of the air outlet pipe 11, and the thickness of the upper covering sealing ring 22 is gradually reduced as being away from the external thread cylinder, as shown in fig. 3 and 4.
The purpose of the upper covering seal ring 22 is the same as that of the upper covering seal ring 17, when pressure gas is introduced into the inner side of the upper covering seal ring 22, the pressure gas generates outward thrust on the upper covering seal ring 22, so that the upper covering seal ring 22 is tightly attached to the air outlet pipeline 11, and the sealing performance of the invention is further improved.
Example 4
The embodiment is described with respect to the axial fixation of the bearing in outlet pipe 11.
As shown in fig. 3, a collar 18 is protruded outwardly on the outer circumferential surface of the outlet pipe 11 at the upper side of the bearing 13, and the top of the inner race of the bearing 13 is in contact with the lower side of the collar 18; an annular mounting groove 19 is formed in the outer circumferential surface of the outlet pipe 11 and located on the lower side of the bearing 13, an elastic snap ring 20 is mounted in the annular mounting groove 19, and the upper side of the elastic snap ring 20 is in contact with the lower side of the inner ring of the bearing 13.
Further, an upper side of an inner ring of the nut 12 is projected inward to form an inner ring, and a lower side of the inner ring is located above an outer ring of the bearing 13.
Example 5
On the basis of the above embodiment, the spring 21 is sleeved on the external thread cylinder 15, the upper and lower ends of the spring 21 are respectively contacted with the nut 12 and the valve seat 7, and the spring 21 is in a compressed state. The spring 21 presses the nut tightly to prevent it from loosening.
Claims (9)
1. A combination valve group for compressed air treatment of armored vehicles comprises a gas treatment system positioned between a gas source device and an execution element, wherein the gas treatment system comprises an oil-water separator (1) and a plurality of control elements, and is characterized in that: the oil-water separator is characterized by further comprising a valve seat (7), wherein an air source interface, a load interface and an air flow channel located inside the oil-water separator are arranged on the valve seat (7), the oil-water separator (1) and the control element are installed on the valve seat (7), the air passages inside the oil-water separator and the control element are communicated with the air flow channel, air is sent into the air flow channel inside the valve seat (7) through the air source interface by an air source device, and then is sent into the execution element from the load interface after passing through the air treatment system.
2. A combined valve group for compressed air treatment for armoured vehicles according to claim 1, characterized in that: oil water separator (1) passes through coupling assembling to be fixed in one side of disk seat (7), coupling assembling includes bottom plate (8), mounting panel (9) and screw (10), one side of bottom plate (8) is connected with the lateral wall of disk seat (7), the bottom at oil water separator (1) is fixed in mounting panel (9), and its week is provided with a plurality of unthreaded holes, the quantity of screw (10) is unanimous with the quantity of unthreaded hole, its pole portion end respectively pass behind a unthreaded hole with bottom plate (8) threaded connection respectively.
3. A combined valve group for compressed air treatment for armoured vehicles according to claim 1, characterized in that: the air outlet end of an air outlet pipeline (11) of the oil-water separator (1) is in sealing connection with an air inlet end communicated with the air outlet pipeline through a connecting assembly, the connecting assembly comprises a nut (12), a bearing (13), a sealing ring (14) and an external thread cylinder (15), axes of the nut (12), the bearing (13) and the external thread cylinder are overlapped, the bearing (11) is sleeved with the air outlet pipeline and axially fixed on the air outlet pipeline (11), the nut (12) is sleeved on the bearing (13) and in interference fit with an outer ring of the bearing (13), the bottom of the external thread cylinder (15) is inserted into a valve seat (7) and is in sealing welding with the valve seat (7), and the top of the external thread cylinder is inserted into an inner hole; the sealing ring (14) is located between the air outlet pipeline (11) and the external thread cylinder (15), and the sealing ring (14), the air outlet pipeline (11) and the external thread cylinder (15) are in an axial locking state.
4. A combined valve group for compressed air treatment for armoured vehicles according to claim 3, characterized in that: an annular sealing ring groove (16) is formed in the top of the external thread cylinder (15), and the axis of the sealing ring groove (16) is overlapped with the axis of the external thread cylinder (15); the sealing ring (14) is a U-shaped sealing ring, an annular groove body of the sealing ring (14) is positioned on the upper side of the sealing ring, the lower side of the sealing ring (14) is inserted into the sealing ring groove (16), and the tail end of the air outlet pipeline (11) is inserted into the annular groove body of the sealing ring (14).
5. A combined valve group for compressed air treatment of armoured vehicles according to claim 4 characterized in that: the inner side of the sealing ring (14) is provided with a covering sealing ring (17) which is integrally formed with the sealing ring (14), the axis of the covering sealing ring (17) is superposed with the axis of the sealing ring (14), the covering sealing ring (17) is positioned in the inner hole of the external thread cylinder (15), the outer circumferential surface of the covering sealing ring is in interference fit with the inner hole of the external thread cylinder (15), and the upper side of the outer circumferential surface of the covering sealing ring (17) is convexly protruded to form a ring body which is connected with the upper side of the sealing ring (14) into a whole.
6. A combined valve group for compressed air treatment of armoured vehicles according to claim 5 characterized in that: the thickness dimension of the covering sealing ring (17) is gradually reduced along with the distance from the air outlet pipeline (11).
7. A combined valve group for compressed air treatment of an armoured vehicle according to any of claims 3 to 6 characterized in that: a collar (18) is convexly formed on the outer circumferential surface of the air outlet pipeline (11) and positioned at the upper side of the bearing (13), and the top of the inner ring of the bearing (13) is contacted with the lower side of the collar (18); an annular mounting groove (19) is formed in the outer circumferential surface of the air outlet pipeline (11) and located on the lower side of the bearing (13), an elastic clamping ring (20) is mounted in the annular mounting groove (19), and the upper side of the elastic clamping ring (20) is in contact with the lower side of the inner ring of the bearing (13).
8. A combined valve group for compressed air treatment of an armoured vehicle according to any of claims 3 to 6 characterized in that: the upper side of the inner ring of the nut (12) is internally projected to form an inner ring body, and the lower side of the inner ring body is connected with the upper side of the outer ring of the bearing (13).
9. A combined valve group for compressed air treatment of an armoured vehicle according to any of claims 3 to 6 characterized in that: the spring (21) is sleeved on the external thread cylinder (15), the upper end and the lower end of the spring (21) are respectively contacted with the nut (12) and the valve seat (7), and the spring (21) is in a compressed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717442.3A CN111997954B (en) | 2020-07-23 | 2020-07-23 | A combination valves for compressed air treatment for armoured vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717442.3A CN111997954B (en) | 2020-07-23 | 2020-07-23 | A combination valves for compressed air treatment for armoured vehicle |
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| CN111997954A true CN111997954A (en) | 2020-11-27 |
| CN111997954B CN111997954B (en) | 2022-06-21 |
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| GB1211873A (en) * | 1967-04-11 | 1970-11-11 | Scragg & Sons | Improvements in and relating to textile yarn processing machines |
| CN101705956A (en) * | 2009-03-26 | 2010-05-12 | 重庆长江涂装机械厂 | Deicing method and device for pneumatic motor |
| CN105604997A (en) * | 2014-11-21 | 2016-05-25 | 北京中如技术有限公司 | High pressure jacking hydraulic system for high-speed dynamic balancing machine hydraulic system |
| CN205677900U (en) * | 2016-06-22 | 2016-11-09 | 宜宾三江机械有限责任公司 | A kind of baric systerm combination valve |
| CN205956449U (en) * | 2016-08-25 | 2017-02-15 | 银川英奥特自控有限公司 | Integration combined valve |
| CN206723471U (en) * | 2017-04-13 | 2017-12-08 | 天津渤化石化有限公司 | A kind of liquefied petroleum gas flow rate regulating valve |
| CN206786022U (en) * | 2017-06-12 | 2017-12-22 | 齐权丞 | A kind of vacuum valve |
| CN107324144A (en) * | 2017-07-03 | 2017-11-07 | 三峡大学 | Tension-adjusting gear |
| CN210531684U (en) * | 2019-05-08 | 2020-05-15 | 乐山市前沿油气设备制造有限公司 | Flange type stop valve |
| CN210860216U (en) * | 2019-09-23 | 2020-06-26 | 川消消防工程有限公司 | Safety lock catch structure of quick joint of fire extinguishing agent conveying hose |
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| CN111997954B (en) | 2022-06-21 |
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