CN204878848U - Last ooff valve of using of eyebath basin - Google Patents
Last ooff valve of using of eyebath basin Download PDFInfo
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- CN204878848U CN204878848U CN201520632363.7U CN201520632363U CN204878848U CN 204878848 U CN204878848 U CN 204878848U CN 201520632363 U CN201520632363 U CN 201520632363U CN 204878848 U CN204878848 U CN 204878848U
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- seal ring
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Abstract
Last ooff valve of using of eyebath basin, the intake water inlet intercommunication at cavity and valve body top, sail cavity and sail pipeline intercommunication, still be provided with drainage pipe on the lateral wall of valve body, the drainage cavity has been seted up with the corresponding position of drainage pipe in the valve body, drainage pipe and drainage cavity intercommunication, the drainage cavity is located sail cavity below with sail cavity intercommunication and drainage cavity, be provided with the drainage sealing washer in the drainage cavity, drainage sealing washer suit on the valve rod and with valve rod fixed connection, the drainage sealing washer is with the help of the lift of valve rod and the contact of last port or the separation of drainage cavity, the vertical clearance that intakes between sealing washer and the drainage sealing washer is greater than the vertical clearance between valve plate up end and the drainage cavity up end. Eyebath basin is in the stand -by state down or after using, and ponding in the pipeline of sail can automatic evacuation, can prevent that ponding from freezing and influencing eyebath basin's normal use, simple structure, and convenient to use is swift.
Description
Technical field
The utility model belongs to valve technology field, relates to the switch valve on eye washing device.
Background technique
Eye washing device is that harm is dropped to minimum effective safety protection articles for use rapidly by a kind of of employing when the health of poisonous and harmful substance (as chemical liquid etc.) splash to staff, face, eye or breaking out of fire occurring and causing staff's clothing to catch fire.Switch valve on existing eye washing device can only realize water function, does not have automatic-discharging function, under namely eye washing device is in stand-by state or use terminate after, have ponding in water supply pipeline, ponding froze and can affect the normal use of eye washing device winter.
Summary of the invention
The utility model is in order to overcome the defect of prior art, devise the switch valve on eye washing device, under eye washing device is in stand-by state or after using and terminating, the ponding in water supply pipeline can automatic-discharging, can prevent ponding from freezing and affecting the normal use of eye washing device.
The concrete technological scheme that the utility model is taked is: the switch valve on eye washing device, comprise valve body, valve rod, valve inner offers valve pocket, body wall is provided with water supply pipeline, the valve plate of ring is had in valve pocket, valve pocket is divided into upper and lower two chambers by valve plate, be respectively into water chamber and upper water cavity room, water inlet chamber is communicated with the water intake of body top, upper water cavity room is communicated with water supply pipeline, valve rod and valve body coaxially arrange and leave gap between valve rod and valve plate, the lower end of valve rod is provided with by handle, the upper end of valve rod is fixed with the nut check being positioned at water-inlet cavity indoor, be provided with into water seal ring between nut and valve plate, water inlet ring set to be fixedly connected with valve rod on valve rod, valve rod is set with spring, spring is being pressed between handle and valve body, the lifting of seal ring by valve rod of intaking contacts with valve plate or is separated, key is: the sidewall of described valve body is also provided with drainage pipe, in valve body, the position corresponding with drainage pipe offers water drain cavity, drainage pipe is communicated with water drain cavity, water drain cavity is communicated with upper water cavity room and water drain cavity is positioned at below upper water cavity room, draining seal ring is provided with in water drain cavity, draining ring set is on valve rod and be fixedly connected with valve rod, draining seal ring contacts by the lifting of valve rod with the upper end-hole of water drain cavity or is separated, vertical gap between water inlet seal ring and draining seal ring is greater than the vertical gap between valve plate upper-end surface and water drain cavity upper-end surface.
Extension supporting plate, the upper-end surface of dunnage contacts with the lower end surface of water inlet seal ring, and dunnage is fixedly connected with valve rod and dunnage and valve plate form snap-fit engagement.
Be provided with between described water inlet seal ring and nut into water sealing gasket, water inlet sealing gasket to be sleeved on valve rod and to be fixedly connected with valve rod.
Retaining pad is provided with between described water inlet sealing gasket and nut.
Differential is provided with between described valve rod and valve body.
Also be provided with valve stem seal pad between described valve rod and valve body, the lower end surface of valve stem seal pad contacts with the upper-end surface of differential.
The beneficial effects of the utility model are: moving up and down by valve rod, make to be communicated with the upper water function of realization into water chamber with upper water cavity room, or upper water cavity room is communicated with water drain cavity realize air emptying function, under making eye washing device no matter be in stand-by state or use terminate after, ponding in water supply pipeline can automatic-discharging, can prevent ponding from freezing and affecting the normal use of eye washing device, structure is simple, convenient to use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
In accompanying drawing, 1 represents valve body, and 2 represent valve rod, 3 represent water supply pipeline, and 4 represent valve plate, and handle is pressed in 5 representatives, 6 represent nut, 7 representative water inlet seal rings, and 8 represent spring, 9 represent drainage pipe, and 10 represent draining seal ring, and 11 represent dunnage, 12 representative water inlet sealing gaskets, 13 represent retaining pad, and 14 represent differential, and 15 represent valve stem seal pad.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated:
Specific embodiment, as Fig. 1, shown in Fig. 2, switch valve on eye washing device, comprise valve body 1, valve rod 2, valve body 1 inside offers valve pocket, valve body 1 sidewall is provided with water supply pipeline 3, the valve plate 4 of ring is had in valve pocket, valve pocket is divided into upper and lower two chambers by valve plate 4, be respectively into water chamber and upper water cavity room, water inlet chamber is communicated with the water intake at valve body 1 top, upper water cavity room is communicated with water supply pipeline 3, valve rod 2 arranges with valve body 1 is coaxial and leaves gap between valve rod 2 and valve plate 4, the lower end of valve rod 2 is provided with by 5, the upper end of valve rod 2 is locked with the nut 6 being positioned at water-inlet cavity indoor, be provided with between nut 6 and valve plate 4 into water seal ring 7, water inlet seal ring 7 to be sleeved on valve rod 2 and to be fixedly connected with valve rod 2, valve rod 2 is set with spring 8, spring 8 is being pressed between 5 and valve body 1, water inlet seal ring 7 contacts by the lifting of valve rod 2 with valve plate 4 or is separated, the sidewall of valve body 1 is also provided with drainage pipe 9, in valve body 1, the position corresponding with drainage pipe 9 offers water drain cavity, drainage pipe 9 is communicated with water drain cavity, water drain cavity is communicated with upper water cavity room and water drain cavity is positioned at below upper water cavity room, draining seal ring 10 is provided with in water drain cavity, draining seal ring 10 to be sleeved on valve rod 2 and to be fixedly connected with valve rod 2, draining seal ring 10 contacts by the lifting of valve rod 2 with the upper end-hole of water drain cavity or is separated, vertical gap between water inlet seal ring 7 and draining seal ring 10 is greater than the vertical gap between valve plate 4 upper-end surface and water drain cavity upper-end surface.
As to further improvement of the utility model, extension supporting plate 11, the upper-end surface of dunnage 11 contacts with the lower end surface of water inlet seal ring 7, dunnage 11 is fixedly connected with valve rod 2 and dunnage 11 and valve plate 4 form snap-fit engagement, dunnage 11 also can play further seal action while support water inlet seal ring 7, can improve sealing effect.
As to further improvement of the utility model, be provided with into water sealing gasket 12 between water inlet seal ring 7 and nut 6, water inlet sealing gasket 12 to be sleeved on valve rod 2 and to be fixedly connected with valve rod 2, water inlet sealing gasket 12 can compress water inlet seal ring 7, make into the better tightness between water seal ring 7 and valve plate 4, be provided with retaining pad 13 between water inlet sealing gasket 12 and nut 6, retaining pad 13 can prevent nut 6 from loosening, and makes the connection between nut 6 and valve rod 2 more solid and reliable.
As to further improvement of the utility model, be provided with differential 14 between valve rod 2 and valve body 1, be also provided with valve stem seal pad 15 between valve rod 2 and valve body 1, the lower end surface of valve stem seal pad 15 contacts with the upper-end surface of differential 14.Can flow out from the gap between valve rod 2 and valve body 1 by anti-sealing, improve the sealing of valve body 1, also can prevent the impurity such as outside dust from being entered in valve body 1 by gap and corrosion is caused to the parts in valve body 1, extend the working life of switch valve.
The utility model is in the specific implementation: press by 5, move upward by 5 band ovable valve stems 2, water inlet seal ring 7 is separated with valve plate 4, the seal ring of draining simultaneously 10 contacts with the upper end-hole of water drain cavity and forms sealing configuration, the water of water-inlet cavity indoor enters upper water cavity room, then flow in water supply pipeline 3, water function in realization; Unclamp by 5, valve rod 2 resets under the effect of spring 8, water inlet seal ring 7 contacts with valve plate 4 and forms sealing configuration, water in stopping, the seal ring of draining simultaneously 10 is separated with the upper end-hole of water drain cavity, and water residual in water supply pipeline 3 enters in water drain cavity, then discharge through drainage pipe 9, thus achieving air emptying function, structure is simple, convenient to use.
Claims (6)
1. the switch valve on eye washing device, comprise valve body (1), valve rod (2), valve body (1) inside offers valve pocket, valve body (1) sidewall is provided with water supply pipeline (3), the valve plate (4) of ring is had in valve pocket, valve pocket is divided into upper and lower two chambers by valve plate (4), be respectively into water chamber and upper water cavity room, water inlet chamber is communicated with the water intake at valve body (1) top, upper water cavity room is communicated with water supply pipeline (3), valve rod (2) arranges with valve body (1) is coaxial and leaves gap between valve rod (2) and valve plate (4), the lower end of valve rod (2) is provided with by (5), the upper end of valve rod (2) is locked with the nut (6) being positioned at water-inlet cavity indoor, be provided with between nut (6) and valve plate (4) into water seal ring (7), water inlet seal ring (7) is sleeved on valve rod (2) and goes up and be fixedly connected with valve rod (2), valve rod (2) is set with spring (8), spring (8) is positioned at by between (5) and valve body (1), water inlet seal ring (7) contacts by the lifting of valve rod (2) with valve plate (4) or is separated, it is characterized in that: the sidewall of described valve body (1) is also provided with drainage pipe (9), in valve body (1), the position corresponding with drainage pipe (9) offers water drain cavity, drainage pipe (9) is communicated with water drain cavity, water drain cavity is communicated with upper water cavity room and water drain cavity is positioned at below upper water cavity room, draining seal ring (10) is provided with in water drain cavity, draining seal ring (10) is sleeved on valve rod (2) and goes up and be fixedly connected with valve rod (2), draining seal ring (10) contacts by the lifting of valve rod (2) with the upper end-hole of water drain cavity or is separated, vertical gap between water inlet seal ring (7) and draining seal ring (10) is greater than the vertical gap between valve plate (4) upper-end surface and water drain cavity upper-end surface.
2. the switch valve on eye washing device according to claim 1, it is characterized in that: extension supporting plate (11), the upper-end surface of dunnage (11) contacts with the lower end surface of water inlet seal ring (7), and dunnage (11) is fixedly connected with valve rod (2) and dunnage (11) and valve plate (4) form snap-fit engagement.
3. the switch valve on eye washing device according to claim 1, it is characterized in that: be provided with between described water inlet seal ring (7) and nut (6) into water sealing gasket (12), water inlet sealing gasket (12) is sleeved on valve rod (2) and goes up and be fixedly connected with valve rod (2).
4. the switch valve on eye washing device according to claim 3, is characterized in that: be provided with retaining pad (13) between described water inlet sealing gasket (12) and nut (6).
5. the switch valve on eye washing device according to claim 1, is characterized in that: be provided with differential (14) between described valve rod (2) and valve body (1).
6. the switch valve on eye washing device according to claim 5, it is characterized in that: be also provided with valve stem seal pad (15) between described valve rod (2) and valve body (1), the lower end surface of valve stem seal pad (15) contacts with the upper-end surface of differential (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632363.7U CN204878848U (en) | 2015-08-20 | 2015-08-20 | Last ooff valve of using of eyebath basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632363.7U CN204878848U (en) | 2015-08-20 | 2015-08-20 | Last ooff valve of using of eyebath basin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204878848U true CN204878848U (en) | 2015-12-16 |
Family
ID=54823222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520632363.7U Active CN204878848U (en) | 2015-08-20 | 2015-08-20 | Last ooff valve of using of eyebath basin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204878848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113179734A (en) * | 2021-05-26 | 2021-07-30 | 广西壮族自治区农业科学院 | Irrigation device for planting sweetsop |
-
2015
- 2015-08-20 CN CN201520632363.7U patent/CN204878848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113179734A (en) * | 2021-05-26 | 2021-07-30 | 广西壮族自治区农业科学院 | Irrigation device for planting sweetsop |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |