CN101629662A - Fire hose pipe joint - Google Patents
Fire hose pipe joint Download PDFInfo
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- CN101629662A CN101629662A CN200910181967A CN200910181967A CN101629662A CN 101629662 A CN101629662 A CN 101629662A CN 200910181967 A CN200910181967 A CN 200910181967A CN 200910181967 A CN200910181967 A CN 200910181967A CN 101629662 A CN101629662 A CN 101629662A
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- pipe joint
- projection
- fastener
- slotted eye
- madial wall
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Abstract
The invention relates to a fire hose pipe joint which mainly comprises a pipe joint body and a fastener, wherein the end part of the pipe joint body is provided with a sealing device, the end part of the periphery of the pipe joint body is provided with an annular lug boss with an inclined plane, and locating slots with inclined planes are arranged on the peripheral surface of the annular lug boss at intervals; the fastener is sleeved on the periphery of the pipe joint body and is movable, the inner lateral wall of the fastener is provided with an elastic block with an inclined plane, and the back of the elastic block is provided with a projection with an inclined plane; when being pressed, the elastic block can be separately retracted inwards, and the pressed projection can drive the elastic block to retract. The structure avoids the difference of a male pipe joint and a female pipe joint, is convenient to butt, saves the precious time and facilitates managing spare parts.
Description
Technical field
The present invention relates to extinguisher, refer in particular to the pipe joint of fire-extinguisher water hose.
Background technique
At present, at fire-fighting domain, normally used water band pipe joint is two kinds of pipe joints of male and female bayonet socket, usually keeping at a certain distance away on the madial wall of female pipe joint has offered at least 3 installation hole slots, in each installs hole slot an elastomer block with an arc shaped surface is installed, and this elastomer block is connected by spring and installs in the hole slot, when not being under pressure, elastomer block is protruded the madial wall certain distance under the support of spring and balance, when being under pressure, elastomer block is suppressed in the inside sidewall and withdrawn; Public pipe joint is provided with a circle draw-in groove, in use, the butt joint of male and female pipe joint, the arc shaped surface of elastomer block is under the butt joint extruding of public pipe joint, elastomer block is under pressure inwardly withdraws, when elastomer block was withdrawn into certain distance, elastomer block entered in the draw-in groove by the obstruction of public pipe joint, elastomer block is also because returning to original position be stuck in the draw-in groove under internal pressure disappearing in the suppressing of spring of being subjected to combines the male and female pipe joint.For pipe joint butt joint back water can not flow out from the butt joint slit, the end face of pipe joint is provided with seal ring and docks the back sealing.This pipe joint structure is simple, but also there is certain defective in it: because the fire-fighting general execution all is hot job, therefore sometimes owing to out of trim or not careful it is pressed for time, the male and female pipe joint is prepared to father-in-law or female pipe joint, can't uses the waste quality time in use; Have, because the branch of male and female is arranged, when executing the task, need distinguish male and female earlier could dock again, and wastes rescue time; And processing conditions difference when production and processing is for production is made troubles.
The inventor works on the fire combat station for many years, and profound lesson is to this pipe joint with branch of male and female the inconvenience and the waste of time that are brought when executing the task, because when emergency rescue service, time is life, the time is exactly all.
Summary of the invention
Technical problem to be solved by this invention provides a kind of fire hose reel joint that does not have the branch of male and female, no matter in emergency circumstances at what, as long as with pipe joint just can be to connecting, butt joint has efficiently been saved the quality time; And, when preparing, only need to prepare an a kind of pipe joint and get final product, when in use, a pipe joint has been broken, and can arbitrarily change another one, does not need to check earlier male and female, can not have influence on the use of the supporting pipe joint of another one; When manufacturing, only need process a kind of pipe joint and just can solve.
For solving the problems of the technologies described above, technological scheme provided by the invention is a kind of fire hose pipe joint, it mainly is included in the pipe joint body that the end is provided with seal arrangement, be arranged on the fastener of described pipe joint body periphery, it is characterized in that described pipe joint body peripheral end is provided with an annular boss with an inclined-plane, keeping at a certain distance away on described boss outer circumferential face offers along the locating slot of its outer circumferential face to described boss body interior diagonally extending certain distance; Described fastener can move in certain distance along described pipe joint body, near keeping at a certain distance away to protrude around madial wall on the front end madial wall of described fastener at least 3 lockup devices are being installed, described lockup device can rebound to described fastener madial wall inside under certain active force; At each described lockup device rear end certain distance one extractor that protrudes described fastener madial wall is installed, described extractor can be to the inner withdrawal of its place slotted eye when being subjected to certain active force; Between described lockup device, described extractor and described fastener madial wall, has a communicating space, one lever is positioned at described space, its fulcrum is fixed on the described fastener madial wall of described lockup device one side, described lever pass behind the described lockup device its free end penetrate described extractor and fixing within it; Described lever satisfies when passing described lockup device when suppressing described lockup device separately and move in described fastener madial wall not can be because of leverage drives described extractor motion, but then can follow its outside motion because of leverage drives described extractor when described lockup device moves outside described fastener madial wall.
Described lockup device is for opening the slotted eye of certain depth on described fastener madial wall, being equipped with one in the described slotted eye protrudes described fastener madial wall and has the bullet piece on an inclined-plane, offer the tilted slotted hole that connects its both sides on the described bullet piece, described bullet piece can be withdrawn in its place slotted eye under pressure; Described extractor is equipped with the projection of the described fastener madial wall of a protrusion for to offer another slotted eye on described fastener madial wall in it, stating projection can be to the inner withdrawal of its place slotted eye when being under pressure; In described fastener,, offer a space on the direction of projection along described bullet piece, described space and described bullet piece, the slotted eye at described projection place is communicated with; Described lever penetrates described projection and is fixed on its inside after passing the tilted slotted hole of offering on the described bullet piece.
Described bullet piece supports by elastic element.
Described elastic element is spring or spring steel plate.
On described pipe joint body upper-end surface, offer an annular recess along its length direction, in described groove, be provided with an annular seal, an end of at least 4 elastic elements is connected with described annular seal; Wherein at least 2 elastic element the other ends that are provided with at interval are connected on the projection of the described pipe joint body of a protrusion, described projection is arranged in the slotted hole of offering along the flexible direction of the described elastic element that is connected with described projection, when described fastener moves forward, can drive described projection and make described annular seal stretch out described pipe joint end face along the described elastic element of its connection of described elongated slot motion compresses; At least 2 elastic element the other ends that are provided with at interval are fixed in the described groove in addition.
Described Sealing is a rubber seal.
The slotted eye that described projection is installed is inner for square, along a side of described fastener length direction near described slotted eye open end to lopsidedness, the relative both sides at the square opening position in the described slotted eye respectively offer a vertical slot, wherein the vertical slot with described bullet piece next-door neighbour is the perforation vertical slot, and its slotted eye that described projection will be installed is communicated with the slotted eye that described bullet piece is installed; Described lever passes on the rotatable global that described perforation vertical slot is connected described projection inside, forms a pole on the opposite side of described projection, and described pole is movable to be positioned at described non-through vertical slot; Its bi-side along described fastener length direction of described projection are arc shaped surface; The position of passing described projection at described lever offers a hole, and a spring is fastened on described lever, and its elastic force end is close on the side of described projection with respect to described slotted eye inclined-plane, and described projection is tilted to described slotted eye inclined-plane because of the elastic force effect; Near on the side on described slotted eye inclined-plane an elastic element is installed also at described projection, it can guarantee described projection inclination several angle and keep protruding on described fastener madial wall.
The one described lever of conflict also is installed and is made it not be subjected to external force to make the elastic element that the time spent keeps steady state
When using, the fastener of a pipe joint moves forward to pipe joint, and this is external, and the fastener of another pipe joint moves backward to the position that can not move again, with the fastener and the butt joint of pipe joint body of two pipe joints; Bullet piece with inclined-plane is withdrawn to fastener inside under the extruding of the annular boss of the pipe joint body that has the inclined-plane equally, make the bullet piece by behind the annular boss, under the effect of suppressing of elastic element, return to original convex position again, be stuck in annular boss one side, then fastener is rotated, the projection of bullet piece back enters the locating slot inclined-plane and enters locating slot, this projection extruding force on the annular boss contacting piece disappears at this moment, the bullet piece is not having under the pressure of lever yet, protrudingly under the suppressing of elastic element returns to the annular boss place that original position is stuck in another pipe joint; Along with moving forward of fastener, drive travels forward by the projection that elastic element is connected with seal ring, seal ring protruding conflict under the suppressing of elastic element is sealed in the enterprising line pipe of the end face of another pipe joint body, because Sealing is connected with elastic element, therefore when conflict pressure was too big, conflict pressure can be made seal ring slightly backward and compress, the excessive damage that causes seal ring of pressure of avoiding conflicting, at this moment, the elastic element that is fixed in the groove then is stretched condition; When using end, the fastener of counterrotating snap close, the projection on the fastener upwards made projection obtain the conflict pressure of pipe joint body and withdrew to the fastener internal motion to inner rotary along the inclined-plane of locating slot this moment, it drives lever motion simultaneously, under the effect of lever, the bullet piece also to the withdrawal of fastener internal motion, is retracted to the outer circumferential face that has left annular boss until the bullet piece, outwards draw back fastener then fastener and pipe joint body are broken away from, finish use; At this moment, Sealing is regained in pipe joint body end face under the effect that is fixed on the elastic element on the groove in addition, has avoided that Sealing is worn when not using.
In this structure, the bullet piece offers the space of perforation bullet piece both sides in the position that lever passed, and lever just is located in this space; When the bullet piece is not squeezed power and protrudes on fastener, lever contacts with the inner end in this space, when the bullet piece was subjected to extruding force to fastener inside separately, the bullet piece was withdrawn in fastener, can not be subjected to the extruding campaign of bullet piece when the bullet piece is inwardly withdrawn owing to existence regulations and parameters this moment in this space; When having only projection on the fastener to be subjected to extruding force to fastener inside, just can drive lever to the fastener internal motion, this moment, lever pushed the surface of contact of the inner end in this space, drove the bullet piece and inwardly withdrew.
Structure described in claim 7, it comparatively speaking uses more convenient: projection is under the state that normally is not squeezed, be the heeling condition that tilts to its slotted eye inclined-plane, place, because the effect of two elastic elements, one elastic element makes it tilt to the inclined-plane, and another elastic element makes it unlikely to the inclined-plane overbank, keeps projection under heeling condition, also protrude the fastener madial wall, and its protrusion height satisfies the annular boss of can conflicting by annular boss the time; In use, the extrapolated pipe joint body of fastener, bullet piece inwardly compress by inclined-plane conflict annular boss and pass through, and projection also tilts to pass through annular boss because of the power that compresses that is subjected to annular boss to slotted eye inclined-plane, place; When itself and another pipe joint fastening, the bullet piece makes two pipe joint lockings after being stuck in the annular boss of another pipe joint, and at this moment, the projection of inclination may compress in the locating slot of annular boss outer circumferential face or annular boss; Rotary buckle after using end, the projection that tilts then enters in the locating slot and in the conflict of locating slot, become plumbness by heeling condition, at this moment, projection is to the slotted eye internal motion and drive lever and inwardly move, and finally makes the bullet piece break away from annular boss by the inside motion of lever drives bullet piece again and withdraws from.Release the back bullet piece state that under the elastic force effect, restores balance, this moment, it outwards moved by the lever drives projection, when projection outwards moves to slotted eye incline position place, elastic element by the inclined-plane of slotted eye dorsad one side on the projection makes projection tilt to the slotted eye inclined-plane, make it keep suitable angle of inclination by the elastic element near slotted eye inclined-plane one side on the projection, return to state of equilibrium.
The present invention has only a kind of pipe joint, need not distinguish male and female and can use; And it docks convenient, and an extruding one rotation can be finished butt joint, has made things convenient for operation, has saved valuable time; And in the manufacturing process, only need a cover processing technology and mould to produce by batch, saved cost of production; When a pipe joint damages therein, can directly utilize good the changing of another one, complete preparation when having avoided the fire-fighting spare part to prepare is for the pipe joint spare parts management also brings great convenience.
Description of drawings
Figure sectional structure chart of the present invention
Fig. 2 annular boss of the present invention is faced structural representation
Another embodiment's of Fig. 3 convexity block structured of the present invention cross-sectional structural representation
Fig. 4 Fig. 3 convexity block structured is along the longitudinal sectional view of fastener length direction
Embodiment
Now lift a preferred embodiment and in conjunction with graphic its structure is specifically described, referring to Fig. 1～Fig. 2, pipe joint of the present invention mainly comprises pipe joint body 1, fastener 2, and lockup device, extractor, wherein:
Lockup device, at the madial wall of big caliber body 22 apart from its front end a distance, the hole slot 23 that keeps at a certain distance away and offer 3 tool certain depths around its madial wall, the bullet piece 24 of one protrusion madial wall is installed in this hole slot, this bullet piece 24 is fixed in this hole slot by 2 springs, it also can be a spring or many springs, and this spring also can be a spring steel plate; These bullet piece 24 its protrusion sides outside madial wall near pipe joint body front end are arc shaped surface, certainly, also can be the inclined-planes; In bullet piece 24, offer the surface groove with certain depth of its bi-side, front and back of a perforation; Bullet piece 24 is subjected to can withdrawing in its residing hole slot when internal pressure;
Extractor, on the big caliber body of the fastener madial wall of distance bullet piece 24 rear end certain distances, also offer with the corresponding hole slot 25 of hole slot 23 numbers, the projection 26 of the big caliber body madial wall of one protrusion is installed in this hole slot 25, this projection is the inclined-plane near the one side of pipe joint body front end, also can be arc shaped surface; Offer a hole slot at this projection near on pipe joint body front end one side; Projection 26 can be to the inner withdrawal of fastener when being under pressure;
In use, the fastener 2 of one of them pipe joint moves to the pipe joint front end, bullet piece 24 on it, the inclined-plane of projection 26 is squeezed in annular boss 11 places, make bullet piece 24, projection 26 is subjected to after the inside extruding force to the inner withdrawal of fastener, makes bullet piece 24 projections 26 on the fastener 2 move to the front end of annular boss 11; At this moment, fastener 2 also drives projection 122 and moves, and makes seal ring stretch out groove 12 under spring pressure; The fastener of another one pipe joint need not move to pipe joint body front end; When butt joint, stretch out the fastener and the extruding of another pipe joint body of the pipe joint of annular boss 11 front ends, bullet piece 24 under the extruding of the annular boss of pipe joint body, projection 26 inwardly withdrawal makes bullet piece 26 on the fastener move to the back of the annular boss 11 on another pipe joint body, this moment, two pipe joint bodies touched together, then fastener is turned clockwise, at this moment, projection 26 enters locating slot along the trough inclined-plane, location on the pipe joint body makes projection 26 return to the state that does not stress, this moment bullet piece 24 do not have lever under internal pressure, under the effect of spring, outwards eject, and drive lever and outwards move, make bullet piece 24, projection 26 returns to original convex position, at this moment, the rear end that bullet piece 24 is stuck in annular boss 11 links together two pipe joints, and the seal ring pipe joint end face of also conflicting seals; When breaking away from separately, the counterrotating fastener, projection 26 outwards moves along the locating slot inclined-plane, and be subjected to the extruding force of annular boss gradually, under the extruding force effect, projection 26 is inwardly withdrawn, and drives lever and inwardly moves, lever under internal pressure, the bullet piece 24 inwardly withdrawal outside circumference that break away from annular boss unplugs then two pipe joints separately then; At this moment, the fastener of one of them pipe joint also stretches out the front end at its pipe joint body, fastener is moved backward, projection 26 bullet pieces 24 are withdrawn under the effect of annular boss extruding force, the rear end that makes fastener move to annular boss is in not user mode, at this moment, an end that connects on the Sealing is fixed on 3 springs in the groove 12 and will stretches out the outer Sealing of groove by the bullet power of contracting and be withdrawn in the groove, makes it avoid being damaged when not using.
The projection 26 and the slotted eye 25 thereof of the extractor in the foregoing description also can followingly be provided with, and bullet piece and other parts of lockup device are provided with constant: referring to Fig. 3～Fig. 4; The slotted eye 30 that projection 40 is installed is opened on the madial wall of fastener 2, it is square slotted eye, making it in open end form an inclined-plane near open end to lopsidedness along a side of fastener 2 length directions, this inclined-plane makes these slotted eye 30 opening ends its inner square slotted eye of comparing be horn-like square aperture; On the bi-side of the square groove bore portion of these slotted eye 30 inside, offer a vertical slot respectively, wherein with hole slot 23 next-door neighbours' that bullet piece 24 is installed vertical slot for connecting vertical slot, it has been communicated with hole slot 23 and hole slot 30; Projection 40 is an arc shaped surface along the bi-side of fastener length direction, the one rotatable centre of sphere is installed in the inside near these projection 40 upper ends, lever 28 passes to pass behind the bullet piece 24 and connects the hole slots that pass in the projection 40 behind the vertical slot and be fixed on the centre of sphere, can satisfy projection 40 and rotate around lever 28; Pass at lever 28 on the relative another side of side of projection 40, form a pole, this pole is supported on the vertical slot 41 that connects the relative side of vertical slot turnably, and so, projection 40 can rotate around lever 28, also can move up and down along vertical slot; The position of passing projection 40 at lever 28 offers a hole, spring 42 is fastened on lever 28, its elastic force end is close in the groove of a side of projection 40, and this side is the side on slotted eye 30 inclined-planes dorsad, and this spring 42 can make projection 40 tilt to the inclined-plane of slotted eye 30; Near slotted eye 30 inclined-planes one side one spring 43 is installed also at projection 40, when projection 40 under spring 41 effect when slotted eye 30 inclined-planes tilt, these slotted eye 30 inclined-planes of 43 extruding of spring make projection 40 keep certain angle of inclination and maintain a certain distance the space with this inclined-plane, guarantee that it can not protrude on the fastener madial wall because of overbank.This projection 40 is when state of equilibrium, and it keeps heeling condition to protrude on the fastener madial wall, and the height that this projection protrudes satisfies it and can be subjected to its extruding by annular boss the time.For making lever 28 when not being subjected to external force, keep stable, a spring 44 is installed in slotted eye 30, this spring 44 compresses lever 28, guarantees projection 40 when being subjected to touching unintentionally, projection 40 nonvoluntary moving up and down.
Claims (8)
1. fire hose pipe joint, it mainly is included in the pipe joint body that the end is provided with seal arrangement, be arranged on the fastener of described pipe joint body periphery, it is characterized in that described pipe joint body peripheral end is provided with an annular boss with an inclined-plane, keeping at a certain distance away on described boss outer circumferential face offers along the locating slot of its outer circumferential face to described boss body interior diagonally extending certain distance; Described fastener can move in certain distance along described pipe joint body, near keeping at a certain distance away to protrude around madial wall on the front end madial wall of described fastener at least 3 lockup devices are being installed, described lockup device can rebound to described fastener madial wall inside under certain active force; At each described lockup device rear end certain distance one extractor that protrudes described fastener madial wall is installed, described extractor can be to the inner withdrawal of its place slotted eye when being subjected to certain active force; Between described lockup device, described extractor and described fastener madial wall, has a communicating space, one lever is positioned at described space, its fulcrum is fixed on the described fastener madial wall of described lockup device one side, described lever pass behind the described lockup device its free end penetrate described extractor and fixing within it; Described lever satisfies when passing described lockup device when suppressing described lockup device separately and move in described fastener madial wall not can be because of leverage drives described extractor motion, but then can follow its outside motion because of leverage drives described extractor when described lockup device moves outside described fastener madial wall.
2. fire hose pipe joint according to claim 1, it is characterized in that described lockup device is for opening the slotted eye of certain depth on described fastener madial wall, being equipped with one in the described slotted eye protrudes described fastener madial wall and has the bullet piece on an inclined-plane, offer the tilted slotted hole that connects its both sides on the described bullet piece, described bullet piece can be withdrawn in its place slotted eye under pressure; Described extractor is equipped with the projection of the described fastener madial wall of a protrusion for to offer another slotted eye on described fastener madial wall in it, stating projection can be to the inner withdrawal of its place slotted eye when being under pressure; In described fastener,, offer a space on the direction of projection along described bullet piece, described space and described bullet piece, the slotted eye at described projection place is communicated with; Described lever penetrates described projection and is fixed on its inside after passing the tilted slotted hole of offering on the described bullet piece.
3. according to the described fire hose pipe joint of claim 2, it is characterized in that described bullet piece supports by elastic element.
4. fire hose pipe joint according to claim 3 is characterized in that described elastic element is spring or spring steel plate.
5. fire hose pipe joint according to claim 1, it is characterized in that on described pipe joint body upper-end surface, offer an annular recess along its length direction, be provided with an annular seal in described groove, an end of at least 4 elastic elements is connected with described annular seal; Wherein at least 2 elastic element the other ends that are provided with at interval are connected on the projection of the described pipe joint body of a protrusion, described projection is arranged in the slotted hole of offering along the flexible direction of the described elastic element that is connected with described projection, when described fastener moves forward, can drive described projection and make described annular seal stretch out described pipe joint end face along the described elastic element of its connection of described elongated slot motion compresses; At least 2 elastic element the other ends that are provided with at interval are fixed in the described groove in addition.
6. fire hose pipe joint according to claim 1 is characterized in that described Sealing is a rubber seal.
7. fire hose pipe joint according to claim 2, it is characterized in that installing the slotted eye inside of described projection for square, along a side of described fastener length direction near described slotted eye open end to lopsidedness, the relative both sides at the square opening position in the described slotted eye respectively offer a vertical slot, wherein the vertical slot with described bullet piece next-door neighbour is the perforation vertical slot, and its slotted eye that described projection will be installed is communicated with the slotted eye that described bullet piece is installed; Described lever passes on the rotatable global that described perforation vertical slot is connected described projection inside, forms a pole on the opposite side of described projection, and described pole is movable to be positioned at described non-through vertical slot; Its bi-side along described fastener length direction of described projection are arc shaped surface; The position of passing described projection at described lever offers a hole, and a spring is fastened on described lever, and its elastic force end is close on the side of described projection with respect to described slotted eye inclined-plane, and described projection is tilted to described slotted eye inclined-plane because of the elastic force effect; Near on the side on described slotted eye inclined-plane an elastic element is installed also at described projection, it can guarantee described projection inclination several angle and keep protruding on described fastener madial wall.
8. fire hose pipe joint according to claim 7 is characterized in that a described lever of conflict also being installed and being made it not be subjected to external force to make the elastic element that the time spent keeps steady state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101819673A CN101629662B (en) | 2009-07-28 | 2009-07-28 | Fire hose pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101819673A CN101629662B (en) | 2009-07-28 | 2009-07-28 | Fire hose pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101629662A true CN101629662A (en) | 2010-01-20 |
| CN101629662B CN101629662B (en) | 2012-04-18 |
Family
ID=41574881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101819673A Expired - Fee Related CN101629662B (en) | 2009-07-28 | 2009-07-28 | Fire hose pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101629662B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588693A (en) * | 2011-01-17 | 2012-07-18 | 雃博股份有限公司 | Joint structure |
| CN103721363A (en) * | 2014-01-27 | 2014-04-16 | 济南同日数控设备有限公司 | External fire-fighting multi-medium quick joint |
| CN107387895A (en) * | 2017-08-28 | 2017-11-24 | 无锡市永兴金属软管有限公司 | A kind of metal hose |
| CN110260071A (en) * | 2019-06-27 | 2019-09-20 | 练伟 | A kind of high-accuracy mechanical casting |
| CN110559589A (en) * | 2019-09-30 | 2019-12-13 | 杭州少君科技有限公司 | fire-fighting equipment water pipe connector capable of being installed quickly and good in leakage-proof effect |
| CN112197084A (en) * | 2020-09-22 | 2021-01-08 | 上海平高天灵开关有限公司 | Scalable crooked gas monitoring table meter connection structure |
| CN113653175A (en) * | 2021-10-20 | 2021-11-16 | 南通上善若水环境科技有限公司 | Sewage treatment equipment for cleaning sewage treatment pipeline |
| CN114001217A (en) * | 2021-11-19 | 2022-02-01 | 扬州工业职业技术学院 | Wisdom fire hose coupling |
| CN115807882A (en) * | 2023-01-13 | 2023-03-17 | 新龙鼎控股集团有限公司 | Pipe joint for pressure type chemical oil remover |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7080860B2 (en) * | 2002-07-16 | 2006-07-25 | Tokai Rubber Industries, Ltd. | Fastening structure for end of hose with corrugated metal tube |
| JP2009019666A (en) * | 2007-07-11 | 2009-01-29 | Hitachi Metals Ltd | Pipe joint |
| CN201177113Y (en) * | 2008-04-14 | 2009-01-07 | 彭亦程 | Automatic protection air hose |
| CN201242008Y (en) * | 2008-07-28 | 2009-05-20 | 简明锐 | Improved connection joint |
| CN201521738U (en) * | 2009-07-28 | 2010-07-07 | 吴良江 | Pipe joint of fire hose |
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2009
- 2009-07-28 CN CN2009101819673A patent/CN101629662B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588693A (en) * | 2011-01-17 | 2012-07-18 | 雃博股份有限公司 | Joint structure |
| CN103721363A (en) * | 2014-01-27 | 2014-04-16 | 济南同日数控设备有限公司 | External fire-fighting multi-medium quick joint |
| CN103721363B (en) * | 2014-01-27 | 2016-01-20 | 济南同日数控设备有限公司 | The snap joint of a kind of external fire-fighting many media |
| CN107387895A (en) * | 2017-08-28 | 2017-11-24 | 无锡市永兴金属软管有限公司 | A kind of metal hose |
| CN110260071A (en) * | 2019-06-27 | 2019-09-20 | 练伟 | A kind of high-accuracy mechanical casting |
| CN110559589A (en) * | 2019-09-30 | 2019-12-13 | 杭州少君科技有限公司 | fire-fighting equipment water pipe connector capable of being installed quickly and good in leakage-proof effect |
| CN112197084A (en) * | 2020-09-22 | 2021-01-08 | 上海平高天灵开关有限公司 | Scalable crooked gas monitoring table meter connection structure |
| CN113653175A (en) * | 2021-10-20 | 2021-11-16 | 南通上善若水环境科技有限公司 | Sewage treatment equipment for cleaning sewage treatment pipeline |
| CN113653175B (en) * | 2021-10-20 | 2021-12-10 | 南通上善若水环境科技有限公司 | Sewage treatment equipment for cleaning sewage treatment pipeline |
| CN114001217A (en) * | 2021-11-19 | 2022-02-01 | 扬州工业职业技术学院 | Wisdom fire hose coupling |
| CN115807882A (en) * | 2023-01-13 | 2023-03-17 | 新龙鼎控股集团有限公司 | Pipe joint for pressure type chemical oil remover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101629662B (en) | 2012-04-18 |
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