CN105971070A - Fire hydrant with 360-degree-rotating connector - Google Patents
Fire hydrant with 360-degree-rotating connector Download PDFInfo
- Publication number
- CN105971070A CN105971070A CN201610434592.7A CN201610434592A CN105971070A CN 105971070 A CN105971070 A CN 105971070A CN 201610434592 A CN201610434592 A CN 201610434592A CN 105971070 A CN105971070 A CN 105971070A
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- Prior art keywords
- hole
- bearing
- sealing ring
- fire
- shrinkage pool
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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
- E03B9/04—Column hydrants
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a fire hydrant with a 360-degree-rotating connector. The fire hydrant is mainly characterized in that a circular ring support of an integrated structure is arranged at the lower end of a fixed base, a top-sealed hollow shaft of an integrated structure is arranged at the upper end of the circular ring support, a 360-degree-rotating rotating body is arranged on the outer diameter of the hollow shaft, a ball valve is arranged at the right end of the rotating body, and the connector connected with a water drawing pipe of a fire fighting truck is arranged at the right end of the ball valve; an upper bearing hole and a lower bearing hole which are symmetric with respect to the horizontal center line are formed in the upper end and the lower end of the rotating body respectively, the hole diameters of the upper bearing hole and the lower bearing hole are in transition fit with the outer diameters of an upper bearing and a lower bearing respectively, and inner holes of the upper bearing and the lower bearing are in transition fit with an upper bearing position and a lower bearing position of the hollow shaft. According to the fire hydrant, the connector can rotate in a 360-degree mode, the water drawing pipe of the fire fighting truck and the connector of the fire hydrant can keep linear connection when fire occurs at any position of the periphery of the fire hydrant, the service life of the water drawing pipe of the fire fighting truck, the water drawing speed of the fire fighting truck is increased, the fire extinguishing efficiency of the fire fighting truck is improved, and property losses are reduced.
Description
Technical field
The present invention relates to fire-fighting equipment technical field, can 360 particularly to joint°The fire hydrant of revolution.The present invention is applicable to fire fighting truck and uses, and the grass being simultaneously suitable for big lawn is watered and the many places water in construction site.
Background technology
Existing fire hydrant is shared, the joint that fire hydrant is connected with the drinking-water pipe of fire fighting truck is fixed in one direction, around fire hydrant during breaking out of fire, the fire extinguishing position at fire fighting truck place not necessarily at the joint of fire hydrant towards position, after the drinking-water pipe of fire fighting truck and the joint of fire hydrant connect, owing to direction is different, the drinking-water pipe causing fire fighting truck bends, distorts, not only shorten the service life of the drinking-water pipe of fire fighting truck, cause economic loss, and have a strong impact on the speed of drawing water of fire fighting truck, reduce fire-fighting efficiency, cause an immeasurable loss to property.
Summary of the invention
It is an object of the invention to improve the deficiency of prior art, it is provided that a kind of joint can 360°The fire hydrant of revolution, no matter any position breaking out of fire around fire hydrant, the drinking-water pipe of fire fighting truck can keep straight line to be connected with the joint of fire hydrant, extends the service life of the drinking-water pipe of fire fighting truck, improves draw water speed and fire-fighting efficiency, the minimizing property loss of fire fighting truck.
The technical scheme is that the joint that is made up of fixing seat, upper and lower bearing, revolving body, silica gel sealing ring, pressure strip, round nut and ball valve can the fire hydrants of 360 ° of revolutions, the lower end of fixing seat is provided with the annulus bearing of integrative-structure, the upper end of annulus bearing is provided with the hollow axle of integrative-structure, top seal, and the external diameter of hollow axle is provided with can 360°The revolving body of revolution, the right-hand member of revolution is provided with ball valve, and the right-hand member of ball valve is provided with the joint that the drinking-water pipe with fire fighting truck is connected.
The left and right wall thickness of described hollow axle is provided with the circular hole of left and right symmetry that is vertical with the inlet opening fixing seat and that communicate, circular hole communicates with the first annular shrinkage pool on the horizontal center line in a half height of revolving body, and first annular shrinkage pool communicates with the apopore of joint.
First through hole of described first annular shrinkage pool upper/lower terminal is dynamic with the external diameter of hollow axle to be coordinated, the annular groove being symmetrical in horizontal center line it is respectively equipped with on the wall surface of the hole of the first through hole, being respectively equipped with silica gel sealing ring in annular groove, the endoporus of silica gel sealing ring coordinates with the outside diameter seal of hollow axle.
The upper/lower terminal of described revolving body is respectively equipped with the upper and lower dead eye being symmetrical in horizontal center line, the aperture of upper and lower dead eye respectively with the external diameter interference fits of upper and lower bearing, the endoporus of upper and lower bearing respectively with the upper and lower bearing position interference fits of hollow axle.
The inner ring lower surface of described lower bearing is pressed together with the upper surface towards upper convex ring of annulus bearing, and the upper surface, outer ring of lower bearing is pressed together with the looping pit bottom surface of lower bearing aperture.
The lower surface, outer ring of described upper bearing (metal) is pressed together with the looping pit bottom surface of upper bearing aperture；The inner ring upper surface of upper bearing (metal) is pressed together with the flange collar down of pressure strip.
The upper surface of described pressure strip is pressed together with the lower surface of round nut.
The screwed hole of described round nut tightens together with the first external screw thread of hollow axle.
Second through hole of described pressure strip is dynamic with the external diameter of hollow pipe upper end to be coordinated, the left and right projection being respectively arranged at two ends with symmetry of the second through hole, the symmetrical projection in left and right two ends be respectively charged into hollow pipe upper end left and right wall thickness external diameter on long recess in, pressure strip can only move up and down and can not turn round.
The lower end end of described fixing seat is provided with flange, and the radial direction border of flange is provided with 3～8 uniform third through-holes.
The left end of the valve body of described ball valve is connected with the right-hand member integrative-structure of revolving body, and the right-hand member of valve body is connected with the left end integrative-structure of hexagon prism, and the right-hand member of hexagon prism is connected with the left end integrative-structure of joint.
The horizontal center line of described valve body is provided with the second annular shrinkage pool communicated with apopore, and the upper end of the second annular shrinkage pool is provided with the fourth hole being mutually perpendicular to and communicating.
Being provided with the ball spool of ball valve in the second described annular shrinkage pool, the centrage of ball spool is provided with fifth hole, and fifth hole can be made during ball valve core rotation to communicate with apopore, it is also possible to sealed by apopore.
The left and right sphere of described ball spool coordinates towards left sphere shrinkage pool sealing towards right sphere shrinkage pool and right sealing ring with left sealing ring respectively, the left end of left sealing ring and the right-hand member of right sealing ring are respectively equipped with the 7th through hole and the clematis stem hole communicated with apopore, being respectively equipped with semicircle orifice in opposite directions on the wall thickness of the upper right side of left sealing ring and the left upper end of right sealing ring, the radius of semicircle orifice is slightly smaller than the radius of the rotating shaft of ball spool.
Described rotating shaft passes sealing circular hole, fourth hole, the endoporus of O RunddichtringO that on the wall thickness of the upper right side of left sealing ring and the left upper end of right sealing ring, two semicircle orifices in opposite directions are formed, then the upper surface of end cap at ball valve is stretched out, the tetragonal prism of rotating shaft upper end is dynamic with four square holes of handle left end to be coordinated, coupled with nut, by handle locking in rotating shaft by the screw rod of rotating shaft upper end end.
In the annular groove of the centre bore that the outer end of described O RunddichtringO is located at end cap.
It is provided with sealing gasket between lower surface and the upper surface of valve body of described end cap, by bolt, end cap is locked on the upper surface of valve body.
The external diameter of described joint is provided with the second external screw thread, and the left end of the second external screw thread 30 is provided with 2～4 uniform cannelures.
The present invention compared with prior art has following distinguishing feature and good effect: the present invention is provided with the annulus bearing of integrative-structure in the lower end of fixing seat, be provided with the hollow axle of integrative-structure, top seal in the upper end of annulus bearing, being provided with on the external diameter of hollow axle can 360°The revolving body of revolution, the right-hand member in revolution is provided with ball valve, and the right-hand member at ball valve is provided with the joint that the drinking-water pipe with fire fighting truck is connected.The joint of the present invention can 360°Revolution, no matter any position breaking out of fire around fire hydrant, the drinking-water pipe of fire fighting truck can keep straight line to be connected with the joint of fire hydrant, extends the service life of the drinking-water pipe of fire fighting truck, improves draw water speed and fire-fighting efficiency, the minimizing property loss of fire fighting truck.
The present invention is respectively equipped with the upper and lower dead eye being symmetrical in horizontal center line at the upper/lower terminal of revolving body, by the aperture of upper and lower dead eye respectively with the external diameter interference fits of upper and lower bearing, by the endoporus of upper and lower bearing respectively with the upper and lower bearing position interference fits of hollow axle；Make the inner ring lower surface of lower bearing be pressed together with the upper surface towards upper convex ring of annulus bearing, make the upper surface, outer ring of lower bearing be pressed together with the looping pit bottom surface of lower bearing aperture；The lower surface, outer ring of upper bearing (metal) is made to be pressed together with the looping pit bottom surface of upper bearing aperture；The inner ring upper surface of upper bearing (metal) is made to be pressed together with the flange collar down of pressure strip.The revolving body of the present invention uses upper and lower two bearings to be connected with the hollow axle of fixing seat, make the joint revolution with revolving body integrative-structure flexibly, extend the service life of the drinking-water pipe of fire fighting truck further, improve draw water speed and fire-fighting efficiency, the minimizing property loss of fire fighting truck.
The present invention is provided with the second external screw thread on the external diameter of joint, is provided with 2～4 uniform cannelures at the second externally threaded left end.The second external screw thread on the joint external diameter of the present invention is easy to the union joint of the drinking-water pipe with fire fighting truck and is connected；With iron wire, common water pipe is tightened on joint when 2～4 uniform cannelures of the joint left end of the present invention are applicable to be connected with joint with common water pipe, it is simple to the grass on big lawn is watered and the many places water in construction site.
Accompanying drawing explanation
The concrete structure of the present invention is given by below example and accompanying drawing thereof.
Fig. 1 is that the joint proposed according to the present invention can 360°The concrete structure schematic diagram of the fire hydrant of revolution.
Fig. 2 is that the joint proposed according to the present invention can 360°The concrete structure A-A sectional view of the fire hydrant of revolution.
Fig. 3 is that the joint proposed according to the present invention can 360°The concrete structure product exterior view of the fire hydrant of revolution.
nullIn figure: 1-fixes seat，2-annulus bearing，On 3-、Lower bearing aperture，On 4-、Lower bearing，5-the first through hole，6-circular hole，The first annular shrinkage pool of 7-，8-revolving body，9-silica gel sealing ring，10-hollow axle，11-pressure strip，12-flange collar down，13-round nut，14-long recess，15-the second through hole，16-the first external screw thread，17-end cap，18-sealing gasket，19-tetra-square hole，20-ball valve，21-screw rod，22-tetragonal prism，23-O RunddichtringO，24-handle，25-fourth hole，26-rotating shaft，27-joint，28-fifth hole，29-clematis stem hole，30-the second external screw thread，31-cannelure，32-hexagon prism，33-valve body，34-the second annular shrinkage pool，The right sealing ring of 35-，36-ball spool，The left sealing ring of 37-，38-the 7th through hole，39-apopore，40-inlet opening，41-is towards upper convex ring，42-third through-hole，43-flange，44-projection.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment: as shown in drawings, the joint being made up of fixing seat 1, upper and lower bearing 4, revolving body 8, silica gel sealing ring 9, pressure strip 11, round nut 13 and ball valve 20 can 360 ° revolution fire hydrants, the lower end of fixing seat 1 is provided with the annulus bearing 2 of integrative-structure, the upper end of annulus bearing 2 is provided with the hollow axle 10 of integrative-structure, top seal, and the external diameter of hollow axle 10 is provided with can 360°The revolving body 8 of revolution, the right-hand member of revolution 8 is provided with ball valve 20, and the right-hand member of ball valve 20 is provided with the joint 27 that the drinking-water pipe with fire fighting truck is connected.
The left and right wall thickness of hollow axle 10 is provided with the circular hole 6 of left and right symmetry that is vertical with the inlet opening 40 fixing seat 1 and that communicate, circular hole 6 communicates with the first annular shrinkage pool 7 on the horizontal center line in a half height of revolving body 8, and first annular shrinkage pool 7 communicates with the apopore 39 of joint 27.
First through hole 5 of first annular shrinkage pool 7 upper/lower terminal is dynamic with the external diameter of hollow axle 10 to be coordinated, it is respectively equipped with, on the wall surface of the hole of the first through hole 5, the annular groove being symmetrical in horizontal center line, being respectively equipped with silica gel sealing ring 9 in annular groove, the endoporus of silica gel sealing ring 9 coordinates with the outside diameter seal of hollow axle 10.
The upper/lower terminal of revolving body 8 is respectively equipped with the upper and lower dead eye 3 being symmetrical in horizontal center line, the aperture of upper and lower dead eye 3 respectively with the external diameter interference fits of upper and lower bearing 4, the endoporus of upper and lower bearing 4 respectively with the upper and lower bearing position interference fits of hollow axle 10.
The inner ring lower surface of lower bearing 4 is pressed together with the upper surface towards upper convex ring 41 of annulus bearing 2, and the upper surface, outer ring of lower bearing 4 is pressed together with the looping pit bottom surface of lower bearing aperture 3.
The lower surface, outer ring of upper bearing (metal) 4 is pressed together with the looping pit bottom surface of upper bearing aperture 3；The inner ring upper surface of upper bearing (metal) 4 is pressed together with the flange collar down 12 of pressure strip 11.
The upper surface of pressure strip 11 is pressed together with the lower surface of round nut 13.
The screwed hole of round nut 13 tightens together with the first external screw thread 16 of hollow axle 10.
Second through hole 15 of pressure strip 11 is dynamic with the external diameter of hollow pipe 10 upper end to be coordinated, the left and right projection 44 being respectively arranged at two ends with symmetry of the second through hole 15, the symmetrical projection 44 in left and right two ends be respectively charged into hollow pipe 10 upper end left and right wall thickness external diameter on long recess 14 in, pressure strip 11 can only move up and down and can not turn round.
The lower end end of fixing seat 1 is provided with flange 43, and the radial direction border of flange 43 is provided with 4 uniform third through-holes 42.
The left end of the valve body 33 of ball valve 20 is connected with the right-hand member integrative-structure of revolving body 8, and the right-hand member of valve body 33 is connected with the left end integrative-structure of hexagon prism 32, and the right-hand member of hexagon prism 32 is connected with the left end integrative-structure of joint 27.
The horizontal center line of valve body 33 is provided with the second annular shrinkage pool 34 communicated with apopore 39, and the upper end of the second annular shrinkage pool 34 is provided with the fourth hole 25 being mutually perpendicular to and communicating.
Being provided with the ball spool 36 of ball valve 20 in second annular shrinkage pool 34, the centrage of ball spool 36 is provided with fifth hole 28, fifth hole 28 can be made to communicate with apopore 39, it is also possible to sealed by apopore 39 when ball spool 36 rotates.
The left and right sphere of ball spool 36 coordinates towards left sphere shrinkage pool sealing towards right sphere shrinkage pool and right sealing ring 35 with left sealing ring 37 respectively, the left end of left sealing ring 37 and the right-hand member of right sealing ring 35 are respectively equipped with the 7th through hole 38 and the clematis stem hole 29 communicated with apopore 39, being respectively equipped with semicircle orifice in opposite directions on the wall thickness of the upper right side of left sealing ring 37 and the left upper end of right sealing ring 35, the radius of semicircle orifice is slightly smaller than the radius of the rotating shaft 26 of ball spool 36.
Rotating shaft 26 passes sealing circular hole, fourth hole 25, the endoporus of O RunddichtringO 23 that on the wall thickness of the upper right side of left sealing ring 37 and the left upper end of right sealing ring 35, two semicircle orifices in opposite directions are formed, then the upper surface of end cap 17 at ball valve 20 is stretched out, the tetragonal prism 22 of rotating shaft 26 upper end is dynamic with four square holes 19 of handle 24 left end to be coordinated, coupled with nut by the screw rod 21 of rotating shaft 26 upper end end, handle 24 is locked in rotating shaft 26.
In the annular groove of the centre bore that the outer end of O RunddichtringO 23 is located at end cap 17.
It is provided with sealing gasket 18 between lower surface and the upper surface of valve body 33 of end cap 17, by bolt, end cap 17 is locked on the upper surface of valve body 33.
The external diameter of joint 27 is provided with the second external screw thread 30, and the left end of the second external screw thread 30 is provided with 3 uniform cannelures 31.
Below in conjunction with the accompanying drawings the work process of the present invention is specifically described.
The work process of the present invention is: install the present invention: put sealing gasket on the flange of the reserved water pipe of dress fire hydrant, the flange of the fixing seat lower end end of the present invention is placed on sealing gasket, on the flange of the reserved water pipe that with bolt, the present invention is fastened on dress fire hydrant.
Open the gate valve on the reserved water pipe of dress fire hydrant, tap water flows into the inlet opening of the present invention, the circular hole of two left and right symmetries from the left and right wall thickness of hollow axle flows out, the first annular shrinkage pool being flowed on the horizontal center line in a half height of revolving body, then flow into the left end of the apopore communicated with first annular shrinkage pool.
When a fire, the joint of the present invention forwarding to the direction parked towards fire fighting truck, is connected with the joint of the present invention by the union joint of the drinking-water pipe of fire fighting truck, open the ball valve of the present invention, fire fighting truck can draw water fire extinguishing.
After fire extinguishing, close the ball valve of the present invention.
Claims (1)
1. joint can 360 ° revolution fire hydrants, it is made up of fixing seat (1), upper and lower bearing (4), revolving body (8), silica gel sealing ring (9), pressure strip (11), round nut (13) and ball valve (20), it is characterized in that: the lower end of fixing seat (1) is provided with the annulus bearing (2) of integrative-structure, the upper end of annulus bearing (2) is provided with the hollow axle (10) of integrative-structure, top seal, and the external diameter of hollow axle (10) is provided with can 360°The revolving body (8) of revolution, the right-hand member of revolution (8) is provided with ball valve (20), and the right-hand member of ball valve (20) is provided with the joint (27) that the drinking-water pipe with fire fighting truck is connected；
The left and right wall thickness of described hollow axle (10) is provided with the circular hole (6) of left and right symmetry that is vertical with the inlet opening (40) fixing seat (1) and that communicate, circular hole (6) communicates with the first annular shrinkage pool (7) on the horizontal center line in a half height of revolving body (8), and first annular shrinkage pool (7) communicates with the apopore (39) of joint (27)；
First through hole (5) of described first annular shrinkage pool (7) upper/lower terminal is dynamic with the external diameter of hollow axle (10) to be coordinated, it is respectively equipped with, on the wall surface of the hole of the first through hole (5), the annular groove being symmetrical in horizontal center line, being respectively equipped with silica gel sealing ring (9) in annular groove, the endoporus of silica gel sealing ring (9) coordinates with the outside diameter seal of hollow axle (10)；
The upper/lower terminal of described revolving body (8) is respectively equipped with the upper and lower dead eye (3) being symmetrical in horizontal center line, the aperture of upper and lower dead eye (3) respectively with the external diameter interference fits of upper and lower bearing (4), the endoporus of upper and lower bearing (4) respectively with the upper and lower bearing position interference fits of hollow axle (10)；
The inner ring lower surface of described lower bearing (4) is pressed together with the upper surface towards upper convex ring (41) of annulus bearing (2), and the upper surface, outer ring of lower bearing (4) is pressed together with the looping pit bottom surface of lower bearing aperture (3)；
The lower surface, outer ring of described upper bearing (metal) (4) is pressed together with the looping pit bottom surface of upper bearing aperture (3)；The inner ring upper surface of upper bearing (metal) (4) is pressed together with the flange collar down (12) of pressure strip (11)；
The upper surface of described pressure strip (11) is pressed together with the lower surface of round nut (13)；
The screwed hole of described round nut (13) tightens together with first external screw thread (16) of hollow axle (10)；
Second through hole (15) of described pressure strip (11) is dynamic with the external diameter of hollow pipe (10) upper end to be coordinated, the left and right projection (44) being respectively arranged at two ends with symmetry of the second through hole (15), the symmetrical projection (44) in left and right two ends be respectively charged into hollow pipe (10) upper end left and right wall thickness external diameter on long recess (14) in, pressure strip (11) can only move up and down and can not turn round；
The lower end end of described fixing seat (1) is provided with flange (43), and the radial direction border of flange (43) is provided with 3～8 uniform third through-holes (42)；
The left end of the valve body (33) of described ball valve (20) is connected with the right-hand member integrative-structure of revolving body (8), the right-hand member of valve body (33) is connected with the left end integrative-structure of hexagon prism (32), and the right-hand member of hexagon prism (32) is connected with the left end integrative-structure of joint (27)；
The horizontal center line of described valve body (33) is provided with the second annular shrinkage pool (34) communicated with apopore (39), and the upper end of the second annular shrinkage pool (34) is provided with the fourth hole (25) being mutually perpendicular to and communicating；
The ball spool (36) of ball valve (20) it is provided with in the second described annular shrinkage pool (34), the centrage of ball spool (36) is provided with fifth hole (28), ball spool (36) can make fifth hole (28) communicate with apopore (39) when rotating, it is also possible to is sealed by apopore (39)；
The left and right sphere of described ball spool (36) coordinates towards left sphere shrinkage pool sealing towards right sphere shrinkage pool and right sealing ring (35) with left sealing ring (37) respectively, the left end of left sealing ring (37) and the right-hand member of right sealing ring (35) are respectively equipped with the 7th through hole (38) and clematis stem hole (29) communicated with apopore (39), being respectively equipped with semicircle orifice in opposite directions on the wall thickness of the upper right side of left sealing ring (37) and the left upper end of right sealing ring (35), the radius of semicircle orifice is slightly smaller than the radius of the rotating shaft (26) of ball spool (36)；
Sealing circular hole that described rotating shaft (26) is formed through two semicircle orifices in opposite directions on the wall thickness of the upper right side of left sealing ring (37) and the left upper end of right sealing ring (35), fourth hole (25), the endoporus of O RunddichtringO (23), then the upper surface of end cap (17) in ball valve (20) is stretched out, the tetragonal prism (22) of rotating shaft (26) upper end is dynamic with four square holes (19) of handle (24) left end to be coordinated, coupled with nut by the screw rod (21) of rotating shaft (26) upper end end, handle (24) is locked in rotating shaft (26)；
In the annular groove of the centre bore that the outer end of described O RunddichtringO (23) is located at end cap (17)；
It is provided with sealing gasket (18) between lower surface and the upper surface of valve body (33) of described end cap (17), by bolt, end cap (17) is locked on the upper surface of valve body (33)；
The external diameter of described joint (27) is provided with the second external screw thread (30), and the left end of the second external screw thread (30) is provided with 2～4 uniform cannelures (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610434592.7A CN105971070A (en) | 2016-06-19 | 2016-06-19 | Fire hydrant with 360-degree-rotating connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610434592.7A CN105971070A (en) | 2016-06-19 | 2016-06-19 | Fire hydrant with 360-degree-rotating connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105971070A true CN105971070A (en) | 2016-09-28 |
Family
ID=57021341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610434592.7A Withdrawn CN105971070A (en) | 2016-06-19 | 2016-06-19 | Fire hydrant with 360-degree-rotating connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105971070A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106924921A (en) * | 2017-04-10 | 2017-07-07 | 重庆科技学院 | Special quick open-close type fire hydrant for corridor |
| CN108397320A (en) * | 2018-02-28 | 2018-08-14 | 安徽江淮汽车集团股份有限公司 | A kind of double fuel tank oil supply systems |
| CN108468609A (en) * | 2018-02-28 | 2018-08-31 | 安徽江淮汽车集团股份有限公司 | A kind of oil supply system for cold district vehicle motor |
| CN110401132A (en) * | 2019-07-18 | 2019-11-01 | 廖彦昭 | A kind of distribution board covered using rotating cylindrical |
-
2016
- 2016-06-19 CN CN201610434592.7A patent/CN105971070A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106924921A (en) * | 2017-04-10 | 2017-07-07 | 重庆科技学院 | Special quick open-close type fire hydrant for corridor |
| CN106924921B (en) * | 2017-04-10 | 2022-05-13 | 重庆科技学院 | Special quick open-close type fire hydrant for corridor |
| CN108397320A (en) * | 2018-02-28 | 2018-08-14 | 安徽江淮汽车集团股份有限公司 | A kind of double fuel tank oil supply systems |
| CN108468609A (en) * | 2018-02-28 | 2018-08-31 | 安徽江淮汽车集团股份有限公司 | A kind of oil supply system for cold district vehicle motor |
| CN110401132A (en) * | 2019-07-18 | 2019-11-01 | 廖彦昭 | A kind of distribution board covered using rotating cylindrical |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160928 |
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| WW01 | Invention patent application withdrawn after publication |