CN204767124U - Fire hydrant - Google Patents
Fire hydrant Download PDFInfo
- Publication number
- CN204767124U CN204767124U CN201520444878.4U CN201520444878U CN204767124U CN 204767124 U CN204767124 U CN 204767124U CN 201520444878 U CN201520444878 U CN 201520444878U CN 204767124 U CN204767124 U CN 204767124U
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- CN
- China
- Prior art keywords
- fire hydrant
- mentioned
- closure part
- conical
- water hole
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- 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 fire hydrant, including barrel, valve rod and case, the barrel is equipped with the disk seat with case matched with, the case includes the shutoff portion of taper shape narrow under the width, the disk seat be formed with with the conical water hole of crossing of shutoff portion assorted, the upper end external diameter of shutoff portion was greater than the upper end internal diameter in water hole. Realize the lift action of valve rod through the handle of rotating pilot valve pole upper end, and then can drive the case and upwards open and close whole fire hydrant downwards. Specifically be, when the case downstream, conical shutoff portion and the conical water hole automatic alignment that cooperatees of crossing, closely the laminating is together sealed with crossing the water hole up to shutoff portion, realizes that fire hydrant closes, and sealed face is big and stable, and is sealed effectual, when the case upward movement, shutoff portion with cross the water hole and separate gradually, realize opening of fire hydrant, water gets into barrel upper portion by crossing the water hole through the water inlet, and then flows from the delivery port and supply water. Therefore, the utility model discloses can high -efficiently realize opening and closing of fire hydrant.
Description
Technical field
The utility model relates to fire-fighting equipment field, is specifically related to a kind of fire hydrant.
Background technology
Fire hydrant is also fire 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.Fire hydrant mainly implements fire extinguishing for fire fighting truck from municipal water supply pipe network or the water intaking of outdoor fire fighting water supply 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 hydrant has been known, as Chinese invention patent CN201210250004.6 discloses a kind of fire hydrant, 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 outer surface of described valve body, and when described hydrant valve is closed, the rubber layer being coated on described taper seat outer 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 is the opening and closing providing a kind of effective implemention fire hydrant, and coordination is smooth and easy, novel and reasonable structure, practical fire hydrant.
In order to achieve the above object, the utility model adopts such technical scheme:
A kind of fire hydrant, 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; Described spool comprises conical closure part wide at the top and narrow at the bottom, and described valve seat is formed with the conical water hole matched with described closure part, and the upper end external diameter of described closure part is greater than the upper-end inner diameter of described water hole.
The side face of above-mentioned closure part is covered with flexible seal layer.
Above-mentioned flexible seal layer is rubber blanket.
The side face of above-mentioned closure part is formed with multiple annular burr arranged from top to bottom, above-mentioned rubber blanket and each described annular burr glued together.
The upper surface of above-mentioned valve seat is formed with conical cambered surface wide at the top and narrow at the bottom.
Between above-mentioned conical cambered surface and the inner surface of above-mentioned water hole, there is the chamfering seamlessly transitted.
Above-mentioned spool also comprises the connecting portion be connected with the lower end of above-mentioned valve rod, and above-mentioned closure part is connected to the lower end of connecting portion; Described connecting portion is thicker than described closure part, is formed with type conical bench face wide at the top and narrow at the bottom between described connecting portion and described closure part, and described type conical bench face and above-mentioned conical cambered surface match.
After adopting technique scheme, fire hydrant 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 hydrant downwards.Specifically, when spool moves downward, match with conical water hole auto-alignment in conical closure part, is sealed until closure part and water hole fit tightly, and realizes fire hydrant and close, and sealing surface is large and stable, good sealing effect; When spool moves upward, closure part is separated gradually with water hole, realizes the unlatching of fire hydrant, and water enters cylindrical shell top through water inlet by water hole, and then supplies water from delivery port outflow.Compared with prior art, fire hydrant of the present utility model, they can the opening and closing of effective implemention fire hydrant, 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
The conical cambered surface of 111-water hole 112-
113-chamfering 2-valve rod
3-spool 31-closure part
311-flexible seal layer 312-annular burr
32-connecting portion 33-type conical bench face.
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.
A kind of fire hydrant 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; Spool 3 comprises conical closure part 31 wide at the top and narrow at the bottom, and valve seat 11 is formed with the conical water hole 111 matched with closure part 31, and the upper end external diameter of closure part 31 is greater than the upper-end inner diameter of water hole 111.The utility model in actual use, realized the lifting action of valve rod 2, 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 hydrant downwards.Specifically, when spool 3 moves downward, match with conical water hole 111 auto-alignment in conical closure part 31, is sealed until closure part 31 and water hole 111 fit tightly, and realizes fire hydrant and close, and sealing surface is large and stable, good sealing effect; When spool 3 moves upward, closure part 31 is separated gradually with water hole 111, realizes the unlatching of fire hydrant, and water enters cylindrical shell 1 top through water inlet by water hole, and then supplies water from delivery port outflow.The structure that the upper end external diameter of closure part 31 is greater than the upper-end inner diameter of water hole 111 can be guaranteed that closure part 31 can be snapped together gradually with water hole 111 and seal.
Preferably, the side face of closure part 31 is covered with flexible seal layer 311.Flexible seal layer 311 can carry out effective sealing with the inner surface flexible contact of water hole 111.
Preferably, flexible seal layer 311 is rubber blanket.
Preferably, the side face of closure part 31 is formed with multiple annular burr 312 arranged from top to bottom, and the flexible seal layer 311 of rubber blanket form is glued together with each annular burr 312.Annular burr 312 can increase the surface area of closure part 31 side face, when gluing together with flexible seal layer 311, having more greatly and the cemented surface of solid, gluing together more firm.
Preferably, the upper surface of valve seat 11 is formed with conical cambered surface 112 wide at the top and narrow at the bottom.When closure part 31 can not touch conical cambered surface 112 with water hole 111 to closure part time corresponding 31, and take advantage of a situation along conical cambered surface 112 and slip in water hole 111, be convenient to closure part 31 and water hole 111 aligned fit.
Preferably, there is between conical cambered surface 112 and the inner surface of water hole 111 chamfering 113 seamlessly transitted.Chamfering 113 more can be convenient to closure part 31 and be taken advantage of a situation by conical cambered surface 112 and slip in water hole 111.
Preferably, spool 3 also comprises the connecting portion 32 be connected with the lower end of valve rod 2, and closure part 31 is connected to the lower end of connecting portion 32; Connecting portion 32 is thicker than closure part 31, is formed with type conical bench face 33 wide at the top and narrow at the bottom between connecting portion 32 and closure part 31, and type conical bench face 33 and conical cambered surface 112 match.Although connecting portion 32 is thicker than closure part 31, thinner than the inner chamber of cylindrical shell 1, and be formed between the madial wall of cylindrical shell 1 supply water through space; Although type conical bench face 33 and conical cambered surface 112 match, not with conical cambered surface 112 joint, this structure be in order to formed between type conical bench face 33 and conical cambered surface 112 supply water through the space of uniform-dimension.
Fire hydrant of the present utility model, the concrete angle of inclination of type conical bench face and conical cambered surface and form etc. all can be carried 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 annular concrete shape of burr, size, quantity and distribution form etc. all can carry out adjusting and designing according to actual requirement; Flexible seal layer is preferably rubber blanket, and its form also can carry out adjusting and designing according to actual requirement; The concrete drift angle number of degrees, the size and fit form etc. of closure part and water hole all can be carried out adjusting and designing according to actual requirement; 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 (7)
1. a fire hydrant, 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: described spool comprises conical closure part wide at the top and narrow at the bottom, described valve seat is formed with the conical water hole matched with described closure part, and the upper end external diameter of described closure part is greater than the upper-end inner diameter of described water hole.
2. a kind of fire hydrant according to claim 1, is characterized in that: the side face of above-mentioned closure part is covered with flexible seal layer.
3. a kind of fire hydrant according to claim 2, is characterized in that: above-mentioned flexible seal layer is rubber blanket.
4. a kind of fire hydrant according to claim 3, is characterized in that: the side face of above-mentioned closure part is formed with multiple annular burr arranged from top to bottom, above-mentioned rubber blanket and each described annular burr glued together.
5. a kind of fire hydrant according to any one of claim 1-4, is characterized in that: the upper surface of above-mentioned valve seat is formed with conical cambered surface wide at the top and narrow at the bottom.
6. a kind of fire hydrant according to claim 5, is characterized in that: have the chamfering seamlessly transitted between above-mentioned conical cambered surface and the inner surface of above-mentioned water hole.
7. a kind of fire hydrant according to claim 6, is characterized in that: above-mentioned spool also comprises the connecting portion be connected with the lower end of above-mentioned valve rod, and above-mentioned closure part is connected to the lower end of connecting portion; Described connecting portion is thicker than described closure part, is formed with type conical bench face wide at the top and narrow at the bottom between described connecting portion and described closure part, and described type conical bench face and above-mentioned conical cambered surface match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444878.4U CN204767124U (en) | 2015-06-26 | 2015-06-26 | Fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444878.4U CN204767124U (en) | 2015-06-26 | 2015-06-26 | Fire hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204767124U true CN204767124U (en) | 2015-11-18 |
Family
ID=54507259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520444878.4U Expired - Fee Related CN204767124U (en) | 2015-06-26 | 2015-06-26 | Fire hydrant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204767124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436832A (en) * | 2016-12-08 | 2017-02-22 | 重庆科技学院 | Fire hydrant on ground |
-
2015
- 2015-06-26 CN CN201520444878.4U patent/CN204767124U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436832A (en) * | 2016-12-08 | 2017-02-22 | 重庆科技学院 | Fire hydrant on ground |
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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: 20151118 Termination date: 20170626 |