CN204753708U - New -type fire hydrant - Google Patents
New -type fire hydrant Download PDFInfo
- Publication number
- CN204753708U CN204753708U CN201520444824.8U CN201520444824U CN204753708U CN 204753708 U CN204753708 U CN 204753708U CN 201520444824 U CN201520444824 U CN 201520444824U CN 204753708 U CN204753708 U CN 204753708U
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- CN
- China
- Prior art keywords
- sealing ring
- water hole
- cylindrical shell
- spool
- recess side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a new -type fire hydrant, the up end of disk seat is equipped with the sealing washer, and the up end of disk seat is formed with annular storage tank, the disk seat was formed with the water hole, the lower extreme face of case is formed with the ring packing groove, and the ring packing groove has inner circle groove side and outer lane groove side, and the cross section in ring packing groove is the trapezoidal of under the narrow width or triangle -shaped. When the case downstream, the sealing washer matching stretches into the ring packing inslot to with by down the supreme inner circle groove side that is close to gradually is sealed more and more tighter with outer lane groove side, realize the fire hydrant and effectively close that the sealing washer can form sealed respectively with inner circle groove side and outer lane groove side moreover, ensures can not leak, seals effectually, when the case upward movement, separate gradually in sealing washer and ring packing groove, realizes opening of fire hydrant, and water gets into barrel upper portion by crossing the water hole through the water inlet, and then flow from the delivery port and supply water. Therefore, the utility model discloses can high -efficiently realize opening and closing of fire hydrant, the action is coordinated smoothly.
Description
Technical field
The utility model relates to fire fighting equipment field, is specifically related to a kind of new-type fire plug.
Background technology
Fire plug is also hydrant, is a kind of fixed fire fighting device, is mainly used in fire extinguishing.Divide indoor fire hydrant and outdoor fire hydrant.Fire fighting system comprises, outdoor fire hydrant system, indoor fire hydrant system, fire extinguisher system, and what have also has automatic sprinkler fire-extinguishing system, water cannon system, gas extinguishing system, fiery spy system, spraying system etc.Hydrant mainly implements fire extinguishing for fire fighting truck from municipal water supply pipe network or the water intaking of outdoor fire fighting waterline network, also directly can connect water-band, hydraulic giant goes out above-water method.So indoor and outdoor hydrant system is also one of important fire fighting device fought a fire.The structure of fire plug has been known, as Chinese invention patent CN201210250004.6 discloses a kind of fire plug, comprise the hollow cylinder for being connected with feed pipe, to be positioned on described hollow cylinder and with at least one water outlet mouthpiece of described hollow cylinder internal switching, be positioned at described hollow cylinder inner and for limiting described water outlet mouthpiece water outlet whether hydrant valve, described hydrant valve comprises valve seat, be arranged on the spool on described valve seat, the drive link be connected with described valve seat, described drive link is threaded in the outside that on described hollow cylinder and upper end extends described hollow cylinder, it is characterized in that: described spool is arranged on the bottom of described valve seat, described spool has the sealing surface that can seal mutually with described hollow cylinder, and described sealing surface is taper seat, the internal face of described hollow cylinder has the sealing inclined-plane matched with described taper seat tapering, when described hydrant valve is closed, described taper seat and described sealing inclined-plane offset, when described hydrant valve is opened, described drive link pushes up described spool downwards, and described taper seat is separated with described sealing inclined-plane downwards.Described spool comprises the rubber layer being positioned at inner valve body and being wrapped in the whole external surface of described valve body, and when described hydrant valve is closed, the rubber layer being coated on described taper seat external surface pushes against with described sealing inclined-plane phase elasticity.Described hollow cylinder comprises the base being positioned at bottom, the body being positioned at middle part and superposed outlet part, the top of described base and the bottom of described body are fixedly connected, the bottom of described outlet part and the top of described body are fixedly connected, and junction is provided with sealing ring, described sealing inclined-plane is positioned on the internal face of described base.Be provided with pilot valve in the middle part of described spool, described drive link is in transmission connection mutually with described pilot valve.This utility model can utilize hydraulic pressure to carry out nature sealing, but in real life process, hydraulic pressure is unstable, have a strong impact on sealing effectiveness during closedown, sealing place can be caused to lose efficacy after frequently loosening for a long time, and produce difficulty because hydraulic pressure is comparatively large when opening, have a strong impact on water outlet efficiency, practicality has much room for improvement.
Given this, inventor furthers investigate the problems referred to above, then has this case to produce.
Utility model content
The purpose of this utility model be to provide a kind of can the opening and closing of effective implemention fire plug, coordination is smooth and easy, novel and reasonable structure, practical new-type fire plug.
In order to achieve the above object, the utility model adopts such technical scheme:
A kind of new-type fire plug, comprises the vertical cylindrical shell arranged, and is located at the valve rod arranged in cylindrical shell and along cylindrical shell, and is located at the spool of valve rod lower end; The upper end of described cylindrical shell has delivery port, and lower end has water inlet, and described cylindrical shell is provided with the valve seat matched with described spool above described water inlet; The upper surface of described valve seat is provided with the sealing ring coaxial with described valve rod, and the upper surface of described valve seat is formed with the annular storage tank of fixing accommodating described sealing ring; Described valve seat is formed with the water hole corresponding with the center of circle of described sealing ring, and the aperture of described water hole is less than the internal diameter of described sealing ring; The lower surface of described spool is formed with the annular seal groove corresponding with described sealing ring, described annular seal groove has the interior ring recess side being in inner ring and the outer ring recess side being in outer ring, the cross section of described annular seal groove is trapezoidal or triangle wide at the top and narrow at the bottom, and described sealing ring is pressed on described interior ring recess side and described outer ring recess side.
The lower surface of above-mentioned spool is formed with the guiding plush copper corresponding with above-mentioned water hole, and described guiding plush copper is taper shape wide at the top and narrow at the bottom, and above-mentioned water hole is the taper shape matched with described guiding plush copper.
Between the upper surface of above-mentioned valve seat and the inner surface of above-mentioned water hole, there is the chamfering seamlessly transitted.
Above-mentioned sealing ring and above-mentioned annular storage tank glue together and are fixed together.
After adopting technique scheme, new-type fire plug of the present utility model, breaks through the structural form of conventional fire hydrant, in actual use, realized the lifting action of valve rod by the handle of rotation process valve rod upper end, and then actuatable valve core upwardly opens, and close whole fire plug downwards.Specifically, when spool moves downward, sealing ring coupling stretches in annular seal groove, coordinates compression respectively with interior ring recess side and outer ring recess side, and progresses into annular seal groove along with sealing ring, sealing ring can with close gradually from the bottom to top in ring recess side and outer ring recess side seal tighter, realize fire plug effectively to close, and sealing ring can form sealing surface respectively with interior ring recess side and outer ring recess side, form double shield, guarantee to leak, good sealing effect; When spool moves upward, sealing ring is separated gradually with annular seal groove, realizes the unlatching of fire plug, and water enters cylindrical shell top through water inlet by water hole, and then supplies water from delivery port outflow.Compared with prior art, new-type fire plug of the present utility model, they can the opening and closing of effective implemention fire plug, and coordination is smooth and easy, novel and reasonable structure, practical.
Accompanying drawing explanation
Fig. 1 is broken section structural representation of the present utility model.
In figure:
1-cylindrical shell 11-valve seat
111-sealing ring 112-water hole
113-chamfering 2-valve rod
3-spool 31-annular seal groove
312-outer ring recess side in ring recess side in 311-
32-leads plush copper.
Detailed description of the invention
In order to explain the technical solution of the utility model further, be described in detail below by specific embodiment.
The new-type fire plug of one of the present utility model, as shown in Figure 1, comprises cylindrical shell 1, valve rod 2 and spool 3.
Cylindrical shell 1 is vertically arranged, and it is interior and setting up and down along cylindrical shell 1 that valve rod 2 is located at cylindrical shell 1, and spool 3 is located at the lower end of valve rod 2; The upper end of cylindrical shell 1 has delivery port, and lower end has water inlet, and cylindrical shell 1 is provided with the valve seat 11 matched with spool 3 above described water inlet; The upper surface of valve seat 11 is provided with the sealing ring 111 coaxial with valve rod 2, and the upper surface of valve seat 11 is formed with the annular storage tank of fixing accommodating sealing ring 111; Valve seat 11 is formed with the water hole 112 corresponding with the center of circle of sealing ring 111, and the aperture of water hole 112 is less than the internal diameter of sealing ring 111, guarantees that water hole 112 is in the inner side of sealing ring 111, can be sealed; The lower surface of spool 3 is formed with the annular seal groove 31 corresponding with sealing ring 111, annular seal groove 31 has the interior ring recess side 311 being in inner ring and the outer ring recess side 312 being in outer ring, the cross section of annular seal groove 31 is trapezoidal or triangle wide at the top and narrow at the bottom, namely in ring recess side 311 and outer ring recess side 312 close gradually from top to bottom, sealing ring 111 is pressed on interior ring recess side 311 and outer ring recess side 312, and sealing ring 111 is pressed on interior ring recess side 311 and outer ring recess side 312.The utility model in actual use, realized the lifting action of valve rod, and then actuatable valve core 3 upwardly opens by the handle (not shown) of rotation process valve rod 2 upper end, and closes whole fire plug downwards.Specifically, when spool 3 moves downward, sealing ring 111 coupling stretches in annular seal groove 31, compression is coordinated respectively with interior ring recess side 311 and outer ring recess side 312, and progress into annular seal groove 31 along with sealing ring 111, sealing ring 111 can with close gradually from the bottom to top in ring recess side 311 and outer ring recess side 312 seal tighter, realize fire plug effectively to close, and sealing ring 111 can form sealing surface respectively with interior ring recess side 311 and outer ring recess side 312, form double shield, guarantee to leak, good sealing effect; When spool 3 moves upward, sealing ring 111 is separated gradually with annular seal groove 31, realizes the unlatching of fire plug, and water enters cylindrical shell 1 top through water inlet by water hole 112, and then supplies water from delivery port outflow.The edge of annular seal groove 31 can have rounded corner, can not hurt sealing ring 111, and is convenient to sealing ring 111 and enters in annular seal groove 31.
Preferably, the lower surface of spool 3 is formed with the guiding plush copper 32 corresponding with water hole 112, and guiding plush copper 32 is taper shape wide at the top and narrow at the bottom, and water hole 112 is the taper shape matched with guiding plush copper 32.When spool 3 moves downward, guiding plush copper 32 and water hole 112 can carry out auto-alignment, lead to the aligned fit of sealing ring 111 and annular seal groove 31.
Preferably, between the upper surface of valve seat 11 and the inner surface of water hole 112, there is the chamfering 113 seamlessly transitted.Chamfering 113 more can be convenient to guiding plush copper 32 and take advantage of a situation and slip in water hole 112.
In order to being fixedly connected with of specific implementation sealing ring 111 and annular storage tank, preferably, sealing ring 111 and above-mentioned annular storage tank glue together and are fixed together.
New-type fire plug of the present utility model, the mode that the connected mode of sealing ring and annular storage tank is preferably glued together, also can carry out choosing and designing according to actual requirement, the concrete form of sealing ring and annular storage tank also can carry out adjusting and designing according to actual requirement; Chamfering is preferably rounded corner, and concrete form can carry out adjusting and designing according to actual requirement; The concrete angle of inclination of guiding plush copper and water hole and form etc. all can be carried out adjusting and designing according to actual requirement; Angle between interior ring recess side and outer ring recess side can be 10-45 °, is preferably 15-35 °, specifically can be 15 °, 20 °, 25 °, 30 ° and 35 °; The concrete form, setting position etc. of water inlet and delivery port can carry out adjusting and designing according to actual requirement; The main part of cylindrical shell and valve rod is preferably prior art, but can be cooperation the technical solution of the utility model and do adaptive structural adjustment.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable change or the modification of similar thinking to it, all should be considered as not departing from patent category of the present utility model.
Claims (4)
1. a new-type fire plug, comprises the vertical cylindrical shell arranged, and is located at the valve rod arranged in cylindrical shell and along cylindrical shell, and is located at the spool of valve rod lower end; The upper end of described cylindrical shell has delivery port, and lower end has water inlet, and described cylindrical shell is provided with the valve seat matched with described spool above described water inlet; It is characterized in that: the upper surface of described valve seat is provided with the sealing ring coaxial with described valve rod, the upper surface of described valve seat is formed with the annular storage tank of fixing accommodating described sealing ring; Described valve seat is formed with the water hole corresponding with the center of circle of described sealing ring, and the aperture of described water hole is less than the internal diameter of described sealing ring; The lower surface of described spool is formed with the annular seal groove corresponding with described sealing ring, described annular seal groove has the interior ring recess side being in inner ring and the outer ring recess side being in outer ring, the cross section of described annular seal groove is trapezoidal or triangle wide at the top and narrow at the bottom, and described sealing ring is pressed on described interior ring recess side and described outer ring recess side.
2. the new-type fire plug of one according to claim 1, it is characterized in that: the lower surface of above-mentioned spool is formed with the guiding plush copper corresponding with above-mentioned water hole, described guiding plush copper is taper shape wide at the top and narrow at the bottom, and above-mentioned water hole is the taper shape matched with described guiding plush copper.
3. the new-type fire plug of one according to claim 2, is characterized in that: have the chamfering seamlessly transitted between the upper surface of above-mentioned valve seat and the inner surface of above-mentioned water hole.
4. the new-type fire plug of the one according to any one of claim 1-3, is characterized in that: above-mentioned sealing ring and above-mentioned annular storage tank glue together and be fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444824.8U CN204753708U (en) | 2015-06-26 | 2015-06-26 | New -type fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444824.8U CN204753708U (en) | 2015-06-26 | 2015-06-26 | New -type fire hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204753708U true CN204753708U (en) | 2015-11-11 |
Family
ID=54468432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520444824.8U Expired - Fee Related CN204753708U (en) | 2015-06-26 | 2015-06-26 | New -type fire hydrant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204753708U (en) |
-
2015
- 2015-06-26 CN CN201520444824.8U patent/CN204753708U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20170626 |