CN219673294U - Pneumatic valve and water supply equipment for sanitation vehicle - Google Patents
Pneumatic valve and water supply equipment for sanitation vehicle Download PDFInfo
- Publication number
- CN219673294U CN219673294U CN202320512747.XU CN202320512747U CN219673294U CN 219673294 U CN219673294 U CN 219673294U CN 202320512747 U CN202320512747 U CN 202320512747U CN 219673294 U CN219673294 U CN 219673294U
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- piston
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 230000007613 environmental effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000001802 infusion Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model provides a pneumatic valve and water supply equipment for an environmental sanitation vehicle, belongs to the technical field of valves, and solves the problems that the linkage of an air cylinder and a valve is realized through the connection of a bracket and a coupling between the air cylinder and the valve, so that the cost is increased, and the volume of a connecting part is increased. The utility model comprises a cylinder, a valve and a connecting seat with a middle channel, wherein one end of the connecting seat stretches into the cylinder to form rotary connection, the other end of the connecting seat stretches into the valve to form fixed connection, and a piston rod of the cylinder penetrates through the middle channel to be fixedly connected with a valve clack in the valve. The utility model adopts the connecting part with special structure to replace the bracket and the coupler, and combines the cylinder end cover and the valve top cover into a whole, thereby simplifying the structure, reducing the cost, realizing compact assembly and saving the occupied space. One end of the connecting component is fixedly connected, the other end of the connecting component is connected, the connecting component can be used for conveniently connecting the air cylinder and the valve, the air cylinder can rotate relative to the valve, and the direction of the air source opening is adjustable.
Description
Technical Field
The utility model belongs to the technical field of machinery, and relates to a valve, in particular to a pneumatic valve for an environmental sanitation vehicle and water supply equipment.
Background
The pneumatic valve is a valve which is driven by compressed air to realize switching. The pneumatic valve is suitable for controlling the medium such as gas, steam, liquid and the like. Pneumatic valves have excellent sensitivity and sensing speed.
The pneumatic valve consists of a control cylinder and a valve, and the pneumatic valve matched with the sanitation truck requires that the control cylinder can rotate 360 degrees relative to the valve, and the direction is adjusted so as to be connected with the air pipe in any direction. Because the direction of the air source opening of the air cylinder needs to be convenient to adjust, a structure for adjusting the direction needs to be additionally arranged between the air cylinder and the valve in the past, and the linkage of the air cylinder and the valve is realized by connecting a bracket and a coupling between the air cylinder and the valve of the traditional pneumatic valve. This increases not only the cost but also the volume of the connection portion, whereby further improvement is still required.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, and provides a pneumatic valve and water supply equipment for an environmental sanitation vehicle, which are formed by adopting an integrated part to match two connection modes, simplify the structure and realize convenient angle adjustment.
The aim of the utility model can be achieved by the following technical scheme: a pneumatic valve for sanitation vehicle, includes cylinder and valve, still includes the connecting seat that has the middle part passageway, the one end of connecting seat stretches into the cylinder forms the rotation and connects, the other end of connecting seat stretches into the valve forms and links firmly, the piston rod of cylinder runs through the middle part passageway links firmly the inside valve clack of valve.
In the pneumatic valve for the sanitation vehicle, the cylinder comprises a cylinder barrel, an upper cover is arranged on one end cover of the cylinder barrel, the other end of the cylinder barrel is open, a piston is connected in the cylinder barrel in a sliding mode, a spring is clamped between the piston and the upper cover, the piston is fixedly connected with the piston rod, and the piston rod extends outwards from the opening.
In the pneumatic valve for the sanitation vehicle, a normal pressure chamber of the cylinder barrel is formed between the piston and the upper cover, and a vent is formed in the outer wall of the normal pressure chamber of the cylinder barrel; the high-pressure chamber of the cylinder barrel is formed between the piston and the connecting seat, and an air source port is opened on the outer wall of the high-pressure chamber.
In the pneumatic valve for the sanitation vehicle, at least one ring groove is concavely formed in the periphery of the piston, a piston sealing ring is embedded in the ring groove, and the piston sealing ring is in close sliding connection with the inner wall of the cylinder barrel.
In the pneumatic valve for the sanitation vehicle, the retaining ring groove A is concavely formed in the outer peripheral wall of one end of the connecting seat, the retaining ring groove B is concavely formed in the inner wall of the opening of the cylinder barrel correspondingly, the guiding conical surface C is arranged on the inner periphery of the opening of the cylinder barrel, the end portion of the connecting seat extends into the opening of the cylinder barrel, the retaining ring groove A is spliced with the retaining ring groove B and embedded into the steel wire retaining ring, and the first sealing ring is sleeved between the outer wall of the connecting seat and the inner wall of the cylinder barrel.
In the pneumatic valve for the sanitation vehicle, the valve comprises a valve body with an infusion channel, a valve seat is arranged in the middle of the infusion channel, an opening and closing opening is formed in the valve seat, an assembly opening is formed in the valve body, and the valve clack extends into and covers the opening and closing opening through the assembly opening.
In the pneumatic valve for the sanitation vehicle, the outer peripheral wall of one end of the connecting seat is provided with the external thread, the inner peripheral wall of the assembly port is provided with the internal thread, the end part of the connecting seat extends into the assembly port to form threaded engagement connection, and the second sealing ring is sleeved between the outer wall of the connecting seat and the inner wall of the assembly port.
In the pneumatic valve for the sanitation vehicle, the middle channel of the connecting seat is a step hole, the piston rod penetrates through the small-diameter hole of the step hole, the valve clack stretches into the large-diameter hole of the step hole to form sliding guide connection, and the piston rod is fixedly connected with the valve clack plug-in shaft pin.
In the pneumatic valve for the sanitation vehicle, the bottom end of the valve clack is provided with the convex disc, the diameter of the convex disc is larger than that of the large-diameter hole of the step hole, the bottom surface of the convex disc is embedded with the sealing gasket, and the diameter of the sealing gasket is larger than that of the opening and closing opening of the valve seat.
A water supply apparatus comprising the pneumatic valve for an environmental sanitation vehicle as described above.
Compared with the prior art, the pneumatic valve and the water supply equipment for the sanitation vehicle have the following beneficial effects:
1. the connecting part with a special structure is used for replacing the bracket and the coupler, and the cylinder end cover and the valve top cover are combined into a whole, so that the structure is simplified, the cost is reduced, the compact assembly is realized, and the occupied space is reduced.
2. One end of the connecting component is fixedly connected, the other end of the connecting component is connected, the connecting component can be used for conveniently connecting the air cylinder and the valve, the air cylinder can rotate relative to the valve, and the direction of the air source opening is adjustable.
Drawings
Fig. 1 is a sectional view showing a closed state of a pneumatic valve for an environmental sanitation vehicle.
Fig. 2 is a sectional view showing an opened state of the air-operated valve for the sanitation vehicle.
Fig. 3 is a sectional view of the pneumatic valve for the sanitation vehicle in a disassembled state.
In the figure, 1, a cylinder barrel; 1a, a vent; 1b, an air source port; 1c, a retainer ring groove B;1d, guiding the conical surface C; 2. an upper cover; 3. a spring; 4. a piston; 5. a piston rod; 6. a connecting seat; 6a, a retainer ring groove A; 7. a steel wire retainer ring; 8. a valve body; 9. a valve seat; 10. a valve flap; 11. a first sealing ring; 12. a second sealing ring; 13. and a sealing ring III.
Description of the embodiments
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Examples
As shown in fig. 1 to 3, the pneumatic valve for the sanitation vehicle comprises a cylinder and a valve, and further comprises a connecting seat 6 with a middle channel, wherein one end of the connecting seat 6 stretches into the cylinder to form rotary connection, the other end of the connecting seat 6 stretches into the valve to form fixed connection, and a piston rod 5 of the cylinder penetrates through the middle channel to be fixedly connected with a valve clack 10 inside the valve.
The cylinder includes cylinder 1, and upper cover 2 is established to cylinder 1's end cover, and the other end is uncovered, and the connecting seat 6 that sets up in the uncovered is as the cylinder lower cover, is sliding connection piston 4 in the cylinder 1, presss from both sides between piston 4 and the upper cover 2 and establishes spring 3, links firmly piston rod 5 on the piston 4, and piston rod 5 is by uncovered overhanging.
A normal pressure chamber of the cylinder barrel 1 is formed between the piston 4 and the upper cover 2, and a vent port 1a is formed in the outer wall of the normal pressure chamber of the cylinder barrel 1; a high-pressure chamber of the cylinder barrel 1 is formed between the piston 4 and the connecting seat 6, and an air source port 1b is opened on the outer wall of the high-pressure chamber of the cylinder barrel 1.
In a natural state, the spring 3 presses the piston 4 to enable the piston rod 5 to keep an overhanging state; after compressed gas is filled from the gas source port 1b, the pressure in the high-pressure cavity is increased, so that the piston 4 is pushed to compress the spring 3, and the piston rod 5 is driven to retract into the cylinder barrel 1; when the compressed gas is stopped from being filled, the exhaust gas in the high-pressure chamber returns to normal pressure, and the spring 3 pushes the piston 4 again to reset the piston rod 5.
At least one ring groove is concavely arranged on the periphery of the piston 4, a piston sealing ring is embedded in the ring groove, and the piston sealing ring is in close-fitting sliding connection with the inner wall of the cylinder barrel 1. The number of the piston sealing rings is two, the sliding action of the piston 4 in the cylinder barrel 1 is not influenced by the piston sealing rings, the tightness is ensured, and the phenomenon that the thrust of the piston 4 is invalid due to the fact that compressed air in a high-pressure chamber enters a normal-pressure chamber is avoided.
A check ring groove A6a is concavely formed in the outer peripheral wall of one end of the connecting seat 6, a check ring groove B1C is concavely formed in the inner wall of the opening of the cylinder barrel 1 correspondingly, a guide conical surface C1d is arranged on the inner periphery of the opening of the cylinder barrel 1, the end portion of the connecting seat 6 stretches into the opening of the cylinder barrel 1, the check ring groove A6a is spliced with the check ring groove B1C and embedded into the steel wire check ring 7, and a sealing ring 11 is sleeved between the outer wall of the connecting seat 6 and the inner wall of the cylinder barrel 1.
The depth of the retainer groove A6a is larger than the diameter of the steel wire retainer 7, the depth of the retainer groove B1c is equal to the radius of the steel wire retainer 7, and the outer diameter of the steel wire retainer 7 is slightly larger than the groove bottom diameter of the retainer groove B1 c. The cylinder can rotate relative to the connecting seat 6 through the steel wire retainer ring 7, so that the orientation of the air source port 1b on the cylinder barrel 1 can be adjusted as required, and the compressed air source can be conveniently connected. The first sealing ring 11 is positioned on the inner side of the steel wire retainer ring 7. The tightness between the cylinder barrel 1 and the connecting seat 6 is kept through the first sealing ring 11, so that the leakage of compressed air in the high-pressure cavity is avoided, and in addition, the first sealing ring 11 also plays a role in rotation damping.
The valve comprises a valve body 8 with an infusion channel, a valve seat 9 is arranged in the middle of the infusion channel, an opening and closing opening is formed in the valve seat 9, an assembly opening is formed in the valve body 8, and a valve clack 10 extends into and covers the opening and closing opening through the assembly opening. One end of the infusion channel is a liquid flow inlet, the other end is a liquid flow outlet, and the path of the infusion channel is bent through the valve seat 9. When the valve clack 10 is covered on the opening and closing opening, the circulation of the liquid medium is stopped; when the valve flap 10 is moved away from the opening and closing opening, the liquid medium flows through the gap between the valve flap 10 and the opening and closing opening.
An external thread is arranged on the outer peripheral wall of one end of the connecting seat 6, an internal thread is arranged on the inner peripheral wall of the assembly opening, the end part of the connecting seat 6 extends into the assembly opening to form threaded engagement connection, and a second sealing ring 12 is sleeved between the outer wall of the connecting seat 6 and the inner wall of the assembly opening. The assembly of the connecting seat 6 and the valve body 8 is realized through threaded fit, so that the convenience of disassembly and assembly and the firmness of connection are improved; meanwhile, the sealing ring II 12 is arranged, so that the tightness of the connecting seat 6 and the valve body 8 is ensured, and leakage of liquid medium is avoided. The connecting seat 6 is arranged in an assembly port of the valve body 8 and serves as a top cover of the valve.
The middle channel of the connecting seat 6 is a step hole, the piston rod 5 penetrates through a small diameter hole of the step hole, the valve clack 10 stretches into a large diameter hole of the step hole to form guide sliding connection, and the piston rod 5 is fixedly connected with a plug pin of the valve clack 10. At least one sealing ring III 13 is sleeved on the periphery of the piston rod 5, the outer wall of the sealing ring III 13 is tightly clamped with the small-diameter hole, and when the piston rod 5 stretches and slides, an annular gap between the sealing ring III 13 and the piston rod is sealed, so that leakage of a liquid medium is avoided.
The bottom end of the valve clack 10 is provided with a convex disc, the diameter of the convex disc is larger than that of the large-diameter hole of the step hole, the bottom surface of the convex disc is embedded into a sealing gasket, and the diameter of the sealing gasket is larger than that of the opening and closing opening of the valve seat 9. The convex disc is blocked and connected to the outer side of the large-diameter hole to form a limit, so that the transition lifting of the valve clack 10 is avoided. The sealing gasket completely covers the opening and closing opening of the valve seat 9 so as to ensure the interception effect of the liquid medium.
The method for installing the pneumatic valve for the sanitation vehicle comprises the following steps:
during installation, firstly, the steel wire check ring 7 is placed into the check ring groove A6a, the cylinder barrel 1 and the connecting seat 6 are inserted in a butt joint mode, the guide conical surface C1d of the cylinder barrel 1 extrudes the steel wire check ring 7, the steel wire check ring 7 is contracted and pressed into the check ring groove A6a, the connecting seat 6 is continuously inserted, the steel wire check ring 7 reaches the check ring groove B1C, the steel wire check ring 7 is opened to enable half of the steel wire check ring to enter the check ring groove B1C, and the other half of the steel wire check ring is located in the check ring groove A6a, so that the connecting seat 6 and the cylinder barrel 1 are connected and can be adjusted in a rotating mode.
The use mode of the pneumatic valve for the sanitation vehicle is as follows:
1. when the air source port 1b of the air cylinder is not connected with compressed air and the air port 1a is connected with the air, the spring 3 in the cylinder barrel 1 presses down the piston 4 by utilizing elasticity, the piston 4 presses down the piston rod 5 and the valve clack 10, the valve clack 10 is tightly pressed on the opening and closing port of the valve seat 9, the valve is in a closing state, and the medium cannot circulate.
2. When the air source port 1b of the air cylinder is connected with compressed air and the air vent 1a is connected with the air, the lower end of the piston 4 in the air cylinder enters the compressed air, the position of the piston 4 moves upwards under the action of the pressure of the compressed air, the piston 4 drives the piston rod 5 and the valve clack 10 to move upwards, the valve clack 10 leaves the opening and closing opening of the valve seat 9, the valve is in an opening state, and media can circulate.
Compared with the prior art, the pneumatic valve for the sanitation vehicle has the following beneficial effects:
1. the connecting part with a special structure is used for replacing the bracket and the coupler, and the cylinder end cover and the valve top cover are combined into a whole, so that the structure is simplified, the cost is reduced, the compact assembly is realized, and the occupied space is reduced.
2. One end of the connecting component is fixedly connected, the other end of the connecting component is connected, the connecting component can be used for conveniently connecting the air cylinder and the valve, the air cylinder can rotate relative to the valve, and the direction of the air source opening is adjustable.
Examples
Based on the first embodiment, the present embodiment is different in that:
a water supply apparatus comprising the pneumatic valve for an environmental sanitation vehicle as described above.
Compared with the prior art, the water supply equipment has the following beneficial effects:
1. the connecting part with a special structure is used for replacing the bracket and the coupler, and the cylinder end cover and the valve top cover are combined into a whole, so that the structure is simplified, the cost is reduced, the compact assembly is realized, and the occupied space is reduced.
2. One end of the connecting component is fixedly connected, the other end of the connecting component is connected, the connecting component can be used for conveniently connecting the air cylinder and the valve, the air cylinder can rotate relative to the valve, and the direction of the air source opening is adjustable.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the cylinder 1 is used more herein; a vent 1a; an air source port 1b; a retainer groove B1c; a guide cone C1d; an upper cover 2; a spring 3; a piston 4; a piston rod 5; a connecting seat 6; a retainer groove A6a; a wire retainer ring 7; a valve body 8; a valve seat 9; a valve flap 10; a first sealing ring 11; a second seal ring 12; seal three 13, etc., but does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (10)
1. The utility model provides a pneumatic valve for sanitation vehicle, includes cylinder and valve, its characterized in that still includes the connecting seat that has the middle part passageway, the one end of connecting seat stretches into the cylinder forms the rotation and connects, the other end of connecting seat stretches into the valve forms and links firmly, the piston rod of cylinder runs through the middle part passageway links firmly the inside valve clack of valve.
2. The pneumatic valve for an environmental sanitation vehicle according to claim 1, wherein the cylinder comprises a cylinder barrel, an upper cover is arranged at one end cover of the cylinder barrel, the other end of the cylinder barrel is open, a piston is connected in a sliding mode in the cylinder barrel, a spring is clamped between the piston and the upper cover, the piston rod is fixedly connected to the piston, and the piston rod extends outwards from the opening.
3. The air-operated valve for an environmental sanitation vehicle according to claim 2, wherein a normal pressure chamber of the cylinder is formed between the piston and the upper cover, and the cylinder opens a vent port on an outer wall of the normal pressure chamber; the high-pressure chamber of the cylinder barrel is formed between the piston and the connecting seat, and an air source port is opened on the outer wall of the high-pressure chamber.
4. The pneumatic valve for an environmental sanitation vehicle as claimed in claim 2, wherein the outer periphery of the piston is concavely provided with at least one ring groove, a piston sealing ring is embedded in the ring groove, and the piston sealing ring is in close sliding connection with the inner wall of the cylinder barrel.
5. The pneumatic valve for sanitation vehicles according to claim 2, wherein a retainer groove A is concavely formed in the outer peripheral wall of one end of the connecting seat, a retainer groove B is concavely formed in the inner wall of the opening of the cylinder barrel correspondingly, a guide conical surface C is formed in the inner periphery of the opening of the cylinder barrel, the end portion of the connecting seat extends into the opening of the cylinder barrel, the retainer groove A is spliced with the retainer groove B and embedded into a steel wire retainer, and a sealing ring I is sleeved between the outer wall of the connecting seat and the inner wall of the cylinder barrel.
6. The pneumatic valve for sanitation vehicles according to claim 1, wherein the valve comprises a valve body with an infusion channel, a valve seat is arranged in the middle of the infusion channel, an opening and closing opening is formed in the valve seat, an assembling opening is formed in the valve body, and the valve clack extends into and covers the opening and closing opening from the assembling opening.
7. The pneumatic valve for sanitation vehicles according to claim 6, wherein an external thread is formed on the outer peripheral wall of one end of the connecting seat, an internal thread is formed on the inner peripheral wall of the assembly port, the end part of the connecting seat extends into the assembly port to form threaded engagement connection, and a second sealing ring is further sleeved between the outer wall of the connecting seat and the inner wall of the assembly port.
8. The pneumatic valve for sanitation vehicles according to claim 6, wherein the middle channel of the connecting seat is a step hole, the piston rod penetrates through a small diameter hole of the step hole, the valve clack stretches into a large diameter hole of the step hole to form a sliding guide connection, and the piston rod is fixedly connected with the valve clack plug-in shaft pin.
9. The air-operated valve for an environmental sanitation vehicle according to claim 8, wherein the bottom end of the valve flap has a convex disc with a diameter larger than the diameter of the large diameter hole of the stepped hole, and the bottom surface of the convex disc is embedded with a gasket with a diameter larger than the diameter of the opening and closing opening of the valve seat.
10. A water supply apparatus comprising a pneumatic valve for an environmental sanitation vehicle as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320512747.XU CN219673294U (en) | 2023-03-10 | 2023-03-10 | Pneumatic valve and water supply equipment for sanitation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320512747.XU CN219673294U (en) | 2023-03-10 | 2023-03-10 | Pneumatic valve and water supply equipment for sanitation vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673294U true CN219673294U (en) | 2023-09-12 |
Family
ID=87920427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320512747.XU Active CN219673294U (en) | 2023-03-10 | 2023-03-10 | Pneumatic valve and water supply equipment for sanitation vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673294U (en) |
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2023
- 2023-03-10 CN CN202320512747.XU patent/CN219673294U/en active Active
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