CN109505326A - The double sealing structure of Anti-collision fire hydrant - Google Patents
The double sealing structure of Anti-collision fire hydrant Download PDFInfo
- Publication number
- CN109505326A CN109505326A CN201811359194.9A CN201811359194A CN109505326A CN 109505326 A CN109505326 A CN 109505326A CN 201811359194 A CN201811359194 A CN 201811359194A CN 109505326 A CN109505326 A CN 109505326A
- Authority
- CN
- China
- Prior art keywords
- seal
- face
- sealing
- flap
- wall
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 210000000476 body water Anatomy 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims abstract description 3
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 2
- 230000000747 cardiac effect Effects 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000000630 rising effect Effects 0.000 abstract description 3
- 230000005465 channeling Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B9/04—Column hydrants
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B2009/022—Hydrants with a tubular valve seat
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses a kind of double sealing structures of Anti-collision fire hydrant, it includes valve body, flap, flap front is formed by gasket and valve body import section and is tightly connected, valve outlet section is additionally provided with the fluid resistant seal component that sealing cooperation is formed with the flap back side, fluid resistant seal component includes sealing element and seal receptacle, seal receptacle is fixedly installed in the inner wall of valve outlet section, and sloped shoulders are extended on seal receptacle, and sealing element is installed on sloped shoulders.Flap front and valve inleting water mouth section form the first sealing structure, the flap back side and valve body water outlet section form second seals structure, first sealing structure plays closing or conducting valve body channeling, and second seals structure then plays the role of choked flow again when body is damaged, flap constitutes the case where fluid resistant seal cooperates, effectively water column avoided to gush after being encountered sealing element by water impact rising again.
Description
Technical field
The present invention relates to fire-fighting equipment technical field, especially a kind of double sealing structure of Anti-collision fire hydrant.
Background technique
Fire hydrant is generally mounted to numerous public places such as street, residential quarter, shopping centre, industrial area, provides surely for fire-fighting
Fixed water source guarantee.When not in use, fire hydrant end is generally blocked with boring cover, prevents from being damaged inside fire hydrant.
Fire hydrant in the prior art, structure generally include body, and body top is equipped with water outlet connector, water outlet connection
Mouth is equipped with boring cover, and valve body is connected below body, and flap is equipped in valve body, and flap is installed on valve rod lower end, and valve rod top connects
Extension bar, extension bar are installed in stopper, and extension bar rotate driving flap opens or closes valve channel.But fire hydrant is mounted on
On road surface, Chang Fasheng body is severed, and flap opens the water inlet of valve body, and there is a situation where water columns to gush, and not only water is caused to provide
Source waste, and traffic congestion is caused, bring inconvenience.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of double sealing structure of Anti-collision fire hydrant, the double densities
Even if seal structure rushes open the body of fire hydrant, flap also can be played via second of sealing structure prevents water column from gushing
It happens.
To achieve the goals above, the technical solution adopted by the present invention is that: a kind of double sealing structure of Anti-collision fire hydrant, packet
The flap that sealing cooperation is formed with the sealing surface of valve body import section is included, flap is equipped with gasket towards the front of sealing surface, special
Sign is: valve outlet section is additionally provided with the fluid resistant seal component that sealing cooperation is formed with the flap back side, and fluid resistant seal component includes
Sealing element and seal receptacle, the located screw of seal receptacle are installed on valve outlet section inner wall, and seal receptacle outer wall is equipped with towards flap and carries on the back
The sloped shoulders that face extends, are connected between sloped shoulders and seal receptacle by connecting neck portion, sealing element is socketed on the sloped shoulders
On, and the interior seal face of sealing element, external seal end face are bonded with the inner sidewall of sloped shoulders, lateral wall respectively, interior sealed end
The upper end of face and external seal end face passes through internal buckle respectively and forms tightening mouth along side, which is buckled in connecting neck portion, connects neck
The detent channel being embedded in for internal buckle along side, interior seal face and external seal are all had between the two sides and seal receptacle outer peripheral surface in portion
The lower end of end face is integrally connected by horizontal seal end face, and horizontal seal end face is bonded with the horizontal side wall of sloped shoulders, described
The flap back side includes pyramidal outer wall, and the lower edge of pyramidal outer wall has widened annular along side, pyramidal outer wall with it is interior close
Sealing end face corresponding matching, annular is along side and horizontal seal end face corresponding matching.
In above structure, valve inleting water mouth section is mainly sealed by flap and gasket, and flap is risen by valve rod driving
Drop movement is so that flap is closed or conducting valve channel, and when body is damaged, the support force of flap upper end is cancelled, by
Water impact, disengage with valve inleting water mouth section it is in sealing contact after move up, when its back side encounters sealing element, pass through cone
Platform outer peripheral surface, annular constitute fluid resistant seal cooperation along side and sealing element again, avoid the occurrence of the case where water column is gushed, and normal
In the case of, the lifting distance of flap has operating mechanism control, as long as not rising at sealing element position, fluid resistant seal component is not
Influence the flowing of fluid in valve flowing channel.
Further, the valve outlet section inner wall is equipped with annular groove, and fixing seat, fixing seat back are embedded in annular groove
It is extended with central boss from annular groove end face, there are annular end face, seal receptacles between central boss edge and fixing seat edge
For sheath structure, body has the cone-shaped inner hole being adapted to central boss outer peripheral surface towards one end of central boss, and body is another
End is equipped with the central through hole being adapted to the nut of positioning screw, and central through hole and cone-shaped inner hole are interconnected, pacify in central through hole
There is positioning screw after dress, the nut of positioning screw is positioned in the central through hole of seal receptacle, and the stud of positioning screw passes through center
Boss is threadedly connected in the bottom surface of annular groove, and the end face that the body is equipped with central through hole is additionally provided with annular groove, annular groove
It is located at the two sides of central through hole with cone-shaped inner hole, seal washer is embedded in the annular groove, the length of seal washer is greater than nut
Length.
In above structure, sealed socket sleeve is connected in fixing seat, and body is connected to fixation towards one end end of central boss edge
On the annular end face of seat, the two is fixedly installed in the annular groove of valve body together by positioning screw, which stablizes,
It is able to bear bring impact force when flap rises, and after the fixing seat and seal receptacle are mounted among valve body, then by body
It is fixed with valve body, it is easy to assembly, furthermore, the screw cap end on seal receptacle in central through hole is contacted with the fluid in valve channel
Long, inevitably there is situation of getting rusty, while embedding sealing washer plays sealing function in annular groove, have to the end of body
Strength support effect.
Further, the seal washer includes hard skeleton structure and the soft pad that is coated on the outside of hard skeleton structure
Circle body, hard skeleton are horizontally placed in annular groove, and the both ends of hard skeleton are connected on the side wall on annular groove both sides and form branch
Support structure.
In above structure, the hard skeleton of seal washer plays the intensity reinforcing effect to this end of body central through hole, together
When for soft spacer ring body provide a mounting bracket.
Further, the interior seal face lower edge is connected through tilting section with horizontal seal end face, interior seal face lower edge
With the interior sealing lip axially extending along lower seal, one end that horizontal seal end face is connected with external seal end face also has under
The axially extending outer seal lip of sealing element, interior sealing lip position is on outer seal lip, the horizontal seal end face and external seal
One end of end face linking also has the abutting sealing lip radially extended along lower seal, the abutting sealing lip and valve body water outlet section
Inner wall cooperation.
In above structure, sealing element include 3 sealing surfaces, interior seal face, horizontal seal end face and the flap back side cone
Platform periphery, annular formed along side it is in sealing contact, enhance sealing effect, external seal end face then with valve body water exit end inner wall constitute seal
Contact, interior sealing lip and outer seal lip play the role of further strengthening sealing function, play and flap is stopped to disengage sealing element, support
Connect the cooperation between sealing lip reinforcement valve body water outlet section inner wall and lower seal.
The invention will be further described below in conjunction with the accompanying drawings.
Detailed description of the invention
Attached drawing 1 is the three-dimensional structure diagram of specific embodiment of the invention Anti-collision fire hydrant；
Attached drawing 2 is specific embodiment of the invention double sealing structure schematic diagram；
Attached drawing 3 is specific embodiment of the invention part A schematic enlarged-scale view；
Attached drawing 4 is the partial structural diagram of specific embodiment of the invention sealing element；
Valve body 2, sealing surface 21, flap 3, pyramidal outer wall 31, annular along side 32, gasket 33,
It is fixing seat 61, central boss 62, seal receptacle 7, sloped shoulders 71, positioning screw 72, connecting neck portion 73, seal washer 8, hard
Matter skeleton 81, soft spacer ring body 82,
It is sealing element 9, interior seal face 91, tilting section 911, external seal end face 92, horizontal seal end face 93, tightening mouth 94, interior close
It seals lip 912, outer seal lip 921, abut sealing lip 931, internal buckle along side 95.
Specific embodiment
Specific embodiments of the present invention are the double sealing structure of Anti-collision fire hydrant as shown in Figs 1-4 comprising are installed on valve
Flap 3 in body 2,3 front of flap are equipped with gasket 33, and the formation sealing of sealing surface 21 of gasket 33 and 2 inducer of valve body is matched
It closes, plays the role of turning off or on 2 runner of valve body.2 outlet section of valve body is additionally provided with the resistance that sealing cooperation is formed with 3 back side of flap
Seal assembly is flowed, 3 back side of flap has pyramidal outer wall 31, and the lower edge of pyramidal outer wall 31 has widened annular along side
32。
Above-mentioned fluid resistant seal component includes sealing element 9 and seal receptacle 7, and the located screw 72 of seal receptacle 7 is installed in valve body 2 and goes out
On mouth section inner wall, 2 outlet section inner wall of valve body is equipped with annular groove, and fixing seat 61 is embedded in annular groove, and fixing seat 61 deviates from ring
Connected in star end face is extended with central boss 62, and there are annular end face, sealings between 61 edge of 62 edge of central boss and fixing seat
Seat 7 is sheath structure, and body has the cone-shaped inner hole being adapted to 62 outer peripheral surface of central boss, set towards one end of central boss 62
The body other end is equipped with the central through hole being adapted to the nut of positioning screw 72, and central through hole and cone-shaped inner hole are interconnected, positioning
The nut of screw 72 is positioned in the central through hole of seal receptacle 7, and the stud of positioning screw 72 is threadedly coupled across central boss 62
In the bottom surface of annular groove, the end face that body is equipped with central through hole is additionally provided with annular groove, during annular groove and cone-shaped inner hole are located at
The two sides of heart through-hole are embedded with seal washer 8 in the annular groove, and the length of seal washer 8 is greater than the length of nut, herein close
The length of seal washer 8 is such as a segment length in Fig. 2, the length namely b segment length of nut.Seal washer 8 includes hard skeleton 81
Structure and the soft spacer ring body 82 being coated on the outside of 81 structure of hard skeleton, hard skeleton 81 are horizontally placed in annular groove, and hard
The both ends of matter skeleton 81 are connected on the side wall on annular groove both sides and form support construction.The hard skeleton 81 of seal washer 8 plays
Intensity reinforcing effect to this end of body central through hole, while a mounting bracket is provided for soft spacer ring body 82.
Seal receptacle 7 is socketed in fixing seat 61, and body is connected to fixing seat 61 towards one end end of central boss 62 edge
On annular end face, the two is fixedly installed in the annular groove of valve body 2 together by positioning screw 72, which stablizes,
It is able to bear bring impact force when flap 3 rises, and after the fixing seat 61 and seal receptacle 7 are mounted among valve body 2, then will
Body is fixed with valve body 2, easy to assembly, furthermore, in the screw cap end and 2 channel of valve body on seal receptacle 7 in central through hole
Fluid contact is long, situation of getting rusty inevitably occurs, while embedding sealing washer 8 plays sealing function in annular groove, to body
The end have strength support effect.
7 outer wall of seal receptacle is equipped with the sloped shoulders 71 extended towards 3 back side of flap, leads between sloped shoulders 71 and seal receptacle 7
The linking of connecting neck portion 73 is crossed, sealing element 9 is socketed on the sloped shoulders 71, and the interior seal face 91 of sealing element 9, external seal end
Face 92 is bonded with the inner sidewall of sloped shoulders 71, lateral wall respectively, the upper end difference of interior seal face 91 and external seal end face 92
Tightening mouth 94 is formed along side 95 by internal buckle, which is buckled in connecting neck portion 73, the two sides of connecting neck portion 73 and sealing
The detent channel being embedded in for internal buckle along side 95 is all had between 7 outer peripheral surfaces of seat, interior seal face 91 and external seal end face 92
By the 93 one linking of horizontal seal end face, horizontal seal end face 93 is bonded with the horizontal side wall of sloped shoulders 71, interior close for lower end
91 lower edge of sealing end face is connected through tilting section 911 with horizontal seal end face 93, and interior 91 lower edge of seal face has along 9 axis of lower seal
To the interior sealing lip 912 of extension, one end that horizontal seal end face 93 is connected with external seal end face 92 also has along 9 axis of lower seal
To the outer seal lip 921 of extension, interior 912 position of sealing lip is on outer seal lip 921, horizontal seal end face 93 and external seal end
One end that face 92 is connected also has the abutting sealing lip 931 radially extended along lower seal 9, the abutting sealing lip 931 and valve body 2
The cooperation of water outlet section inner wall.3 back side of flap includes pyramidal outer wall 31 and interior 91 corresponding matching of seal face, annular along side 32 with
93 corresponding matching of horizontal seal end face.
Double sealing structure of the invention forms the first sealing structure with 2 water inlet section of valve body by 3 front of flap, and flap 3 is carried on the back
Face and 2 water outlet section of valve body form second seals structure, and flap 3 is moved up and down by valve rod driving so that flap 3 is closed or led
2 channel of port valve body, and when body is damaged, the support force of 3 upper end of flap cancels, and by water impact, disengages and valve body 2
Water inlet section it is in sealing contact after move up, when its back side encounters sealing element 9, by frustum outer peripheral surface, annular along side
32 constitute fluid resistant seal cooperation with sealing element 9 again, avoid the occurrence of the case where water column is gushed, and under normal circumstances, flap 3
Lifting distance has operating mechanism control, as long as not rising at 9 position of sealing element, fluid resistant seal component does not influence the stream of valve body 2
The flowing of fluid in road.
The present invention is not limited to above-mentioned specific embodiment, and persons skilled in the art are disclosed interior according to the present invention
Hold, can be implemented using other a variety of specific embodiments of the invention or all using design structure and think of of the invention
Road does simple change or change, both falls within protection scope of the present invention.
Claims (4)
1. a kind of double sealing structure of Anti-collision fire hydrant, the flap including forming sealing cooperation with the sealing surface of valve body import section,
Flap is equipped with gasket towards the front of sealing surface, it is characterised in that: valve outlet section is additionally provided with to be formed with the flap back side and seal
The fluid resistant seal component of cooperation, fluid resistant seal component include sealing element and seal receptacle, and the located screw of seal receptacle is installed in valve body
On outlet section inner wall, seal receptacle outer wall is equipped with the sloped shoulders extended towards the flap back side, passes through between sloped shoulders and seal receptacle
Connecting neck portion linking, sealing element is socketed on the sloped shoulders, and the interior seal face of sealing element, external seal end face respectively with incline
The upper end of the inner sidewall of oblique convex shoulder, lateral wall fitting, interior seal face and external seal end face passes through internal buckle respectively and is formed tightly along side
Necking, the tightening mouth are buckled in connecting neck portion, all have between the two sides and seal receptacle outer peripheral surface of connecting neck portion for internal buckle edge
The lower end of the detent channel of side insertion, interior seal face and external seal end face is integrally connected by horizontal seal end face, horizontal close
Sealing end face is bonded with the horizontal side wall of sloped shoulders, and the flap back side includes pyramidal outer wall, the lower edge of pyramidal outer wall
With widened annular along side, pyramidal outer wall and interior seal face corresponding matching, annular is corresponding with horizontal seal end face along side
Cooperation.
2. the double sealing structure of Anti-collision fire hydrant according to claim 1, it is characterised in that: the valve outlet section inner wall
Equipped with annular groove, fixing seat is embedded in annular groove, fixing seat is extended with central boss, middle cardiac prominence away from annular groove end face
There are annular end face between edge of table and fixing seat edge, seal receptacle is sheath structure, and body has towards one end of central boss
There is the cone-shaped inner hole being adapted to central boss outer peripheral surface, it is logical that the body other end is equipped with the center being adapted to the nut of positioning screw
Hole, central through hole and cone-shaped inner hole are interconnected, and have positioning screw after installing in central through hole, the nut of positioning screw is positioned in
In the central through hole of seal receptacle, the stud of positioning screw passes through central boss and is threadedly connected in the bottom surface of annular groove, described
The end face that body is equipped with central through hole is additionally provided with annular groove, and annular groove and cone-shaped inner hole are located at the two sides of central through hole, the annular
Seal washer is embedded in slot, the length of seal washer is greater than the length of nut.
3. the double sealing structure of Anti-collision fire hydrant according to claim 2, it is characterised in that: the seal washer includes hard
Matter skeleton structure and the soft spacer ring body being coated on the outside of hard skeleton structure, hard skeleton are horizontally placed in annular groove, and hard
The both ends of matter skeleton are connected on the side wall on annular groove both sides and form support construction.
4. the double sealing structure of Anti-collision fire hydrant according to claim 3, it is characterised in that: the interior seal face lower edge
It is connected through tilting section with horizontal seal end face, interior seal face lower edge has the interior sealing lip axially extending along lower seal, water
One end that plain seal end face is connected with external seal end face also has the outer seal lip axially extending along lower seal, interior sealing lip position
It sets on outer seal lip, one end that the horizontal seal end face is connected with external seal end face also has radially prolongs along lower seal
The abutting sealing lip stretched, the abutting sealing lip and valve body water outlet section inner wall cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359194.9A CN109505326A (en) | 2018-11-15 | 2018-11-15 | The double sealing structure of Anti-collision fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359194.9A CN109505326A (en) | 2018-11-15 | 2018-11-15 | The double sealing structure of Anti-collision fire hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109505326A true CN109505326A (en) | 2019-03-22 |
Family
ID=65748590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811359194.9A Pending CN109505326A (en) | 2018-11-15 | 2018-11-15 | The double sealing structure of Anti-collision fire hydrant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505326A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2742206A1 (en) * | 1995-12-07 | 1997-06-13 | Bayard | Stopcock especially for water hydrant giving rapid interruption of water flow |
| CN2510096Y (en) * | 2001-11-23 | 2002-09-11 | 芜湖铁扇消防集团有限公司 | Outdoor hydrant |
| KR100877927B1 (en) * | 2008-09-19 | 2009-01-12 | (주)화이어대상 | Indoor hydrant outlet |
| CN204781117U (en) * | 2015-07-29 | 2015-11-18 | 泉州市晋源消防水暖有限公司 | Adopt fire hydrant of bivalve lamella |
| CN209538298U (en) * | 2018-11-15 | 2019-10-25 | 浙江创力电子股份有限公司 | The double sealing structure of Anti-collision fire hydrant |
-
2018
- 2018-11-15 CN CN201811359194.9A patent/CN109505326A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2742206A1 (en) * | 1995-12-07 | 1997-06-13 | Bayard | Stopcock especially for water hydrant giving rapid interruption of water flow |
| CN2510096Y (en) * | 2001-11-23 | 2002-09-11 | 芜湖铁扇消防集团有限公司 | Outdoor hydrant |
| KR100877927B1 (en) * | 2008-09-19 | 2009-01-12 | (주)화이어대상 | Indoor hydrant outlet |
| CN204781117U (en) * | 2015-07-29 | 2015-11-18 | 泉州市晋源消防水暖有限公司 | Adopt fire hydrant of bivalve lamella |
| CN209538298U (en) * | 2018-11-15 | 2019-10-25 | 浙江创力电子股份有限公司 | The double sealing structure of Anti-collision fire hydrant |
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