CN1572339A - Mounting device of shower nozzle - Google Patents
Mounting device of shower nozzle Download PDFInfo
- Publication number
- CN1572339A CN1572339A CNA2004100639384A CN200410063938A CN1572339A CN 1572339 A CN1572339 A CN 1572339A CN A2004100639384 A CNA2004100639384 A CN A2004100639384A CN 200410063938 A CN200410063938 A CN 200410063938A CN 1572339 A CN1572339 A CN 1572339A
- Authority
- CN
- China
- Prior art keywords
- shower nozzle
- joint
- locking ring
- stage portion
- mounting portion
- 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
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/68—Details, e.g. of pipes or valve systems
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
- Nozzles (AREA)
Abstract
Between a joint 10 and a fitting part of the sprinkler head S, an O-ring 30 being a seal member for holding water-tightness in contact with both thereof is provided. At the inner periphery of the joint 10, a lock ring 20 having spring property is provided in a diametrically expandable manner. At the outer periphery of the fitting part 1 of the sprinkler head S, a step part 7 to which the lock ring 20 is fitted is disposed. At the step part 7, a tilting guide surface 6 for guiding the lock ring 20 is provided. Thus, at the thread terminating position of the sprinkler head S, the lock ring 20 is fitted into the step part, so that the sprinkler head S can be joined to the joint 10.
Description
Technical field
The present invention relates to be installed to the joint on the pipe arrangement and the structure of shower nozzle for the shower nozzle that fire-fighting fire extinguishing is used.
Background technology
Usually, shower nozzle be by joint be installed in be connected with the horizontal pipe arrangement that lays in the ceiling and extend downwardly near on the standpipe of ceiling.
Wherein, the past is to carry out screw engagement by the negative thread that will be provided with in week in the pin thread of the periphery setting of the mounting portion of shower nozzle and the joint to realize when being connected to this shower nozzle on this joint.At this moment, produce when preventing from pipe arrangement to introduce current and leak, wrap with band in the screw engagement part in advance, and sealant is gone up in coating.
In addition, in the existing scheme different with above-mentioned screw engagement, by stoping nut to be installed in the lower end of predetermined joint, this prevention nut is provided with the connecting ring with brace on interior week, will outer peripheral face be provided with shower nozzle that aforementioned brace can interconnectively be connected ditch and be inserted into aforementioned prevention nut, like this, be connected interconnecting of ditch and be able to shower nozzle is installed with above-mentioned by above-mentioned brace, thereby can not come off from joint.(for example, referring to Patent Document 1)
Further, other existing technical scheme is such: in the ball that the side activity within it that is used for is set on the perisporium of joint, the sliding cylinder that drives aforementioned ball flexibly is set on the periphery of this joint, endless groove that can be chimeric on the outer peripheral face of shower nozzle by setting and aforementioned ball, insert mobile sliding cylinder under the state of aforementioned joint at shower nozzle, push this ball, by this ball and endless groove is chimeric and shower nozzle and joint are linked.(for example, referring to Patent Document 2)
In addition, without screw thread, install in the scheme of shower nozzle by connecting, in order to prevent to leak, to connect with other method between shower nozzle and the joint, the two is provided with the seal member that O shape is encircled etc.
Patent documentation 1 publication number be 2907950 patent application (the 2-3 page or leaf, Fig. 1)
Patent documentation 2 publication numbers be 2559280 utility model application (the 2-3 page or leaf, Fig. 1)
When above-mentioned existing shower nozzle is installed, for the screw engagement scheme of pin thread and negative thread,, must partly superscribe band, and coating goes up sealant in this predetermined screw engagement in order to prevent to leak, cause the operation trouble, operating efficiency is low.
In addition, use under the situation of above-mentioned band, if the winding to flank is loose, when being screwed into screw thread, band and pin thread rotate together, and what be rolled onto negative thread is an incomplete part, can worry to produce to leak, strengthen the dynamics of winding for the generation that prevents this situation, at this moment, the disconnection of can breaking of thin and soft band must be processed so again.
In addition, use under the situation of sealant, usually, because this sealant is the liquid with certain viscosity, thereby has caking property, and become solidfied material through after a while, if coating surpasses the sealant of necessary amount on thread surface, when shower nozzle is installed, can worry that the part sealant flows into pipe arrangement inside, sealant so enters pipe arrangement inside, and the sealing valve of shower nozzle will be had close-burning sealant to be fixed, in breaking out of fire, can worry to produce great problem because hindering the running of valve.In addition, in contrast, when the quantity of sealant coating is fewer, can not get sufficient sealing, worry can produce and leak.
Further, when shower nozzle was installed on pipe arrangement, the have to posture that keeps up on the place of keeping a foothold and foothold of people had increased burden to the operator.In addition, efficient is also very low.Then, in this work, must reliably it be inserted pipe arrangement with screw thread in order to prevent that shower nozzle from leaking,, can cause sealing the belt breakage if used the bigger power that surpasses necessity to twist, and ridge damages the situation of leaking that produces, on the contrary, the strength of twisting is smaller, and can not obtain the sufficient sealing property of band this moment, worry can produce and leaks too in this case, needs proficiency in this work.
In addition, because this threaded portion forms taper, between shower nozzle and pipe arrangement one side, do not have in axial coupling part, so, be difficult to during installation set enter size, and when mounted, be subjected to the above-mentioned restriction that turns moment of torsion, for most shower nozzle is not installed on the ceiling pell-mell, also very difficult and need for a long time for this work of skilled people.
In addition, do not pass through screw engagement, only seem easily and can increase work efficiency by inserting the scheme of installing, need be provided with the prevention nut of the special shape of connecting ring interior week with brace, perhaps, that must process feasible side within it on joint has in the movable ball, and flexible additional setting on its outside presses the sliding cylinder of these balls.Because this complex structure makes manufacturing cost higher.In addition, because these braces and ball lack the function that prevents that shower nozzle from coming off, do not have sealing yet, in order to prevent to leak, must adopt other approach, need the seal member of O shape ring etc., in addition, leak in order to prevent reliably, the requirement of having to improves its installation accuracy, like this, worry can cause the insertion difficulty of shower nozzle, and inserts the new problem that can be damaged to O shape ring when connecting.
In addition, further, because shower nozzle, is taken off from above with regard to difficult in case be installed on the joint by with brace with is connected ditch and interconnects and install, if can take off, brace has also damaged, and can not re-use, like this, comprise all necessary replacing of joint, have the maintainability difference and consume the time of maintenance and the problem of expense.
Summary of the invention
The present invention proposes a kind of scheme, and this scheme can solve the problem that the mounting structure of the shower nozzle in above-mentioned past exists.
In order to address the above problem, in the present invention, the described invention of a first aspect of the present invention is, in the mounting structure of shower nozzle, the pin thread that is provided with by periphery with the mounting portion of shower nozzle, the mutual screw engagement of negative thread that is provided with in interior week with joint, and shower nozzle is connected on the standpipe by this joint, it is characterized in that, the seal member that both contact and keep watertight is set between above-mentioned joint and shower nozzle mounting portion with this, simultaneously joint be provided with the locking ring that can enlarge diametrically interior week, on the periphery of the mounting portion of shower nozzle, be provided with stage portion in addition with this locking ring tabling.Like this, the position that enters terminal by the screw thread at shower nozzle embeds stage portion with aforementioned locking ring, and shower nozzle and joint are closely bound together.
The described invention of second aspect present invention is characterised in that, in the structure of the invention of first aspect, above the stage portion of the mounting portion of shower nozzle, set angular guide surfaces, when being screwed into the shower nozzle spiral on the joint, the locking ring that is provided with on angular guide surfaces and the joint is slidingly connected, and this locking ring is radially enlarged and directs into stage portion.
In the described invention of a third aspect of the present invention, in the mounting structure of shower nozzle, the pin thread that is provided with by periphery with the mounting portion of shower nozzle, the mutual screw engagement of negative thread that is provided with in interior week with joint, and shower nozzle is connected on the standpipe by this joint, it is characterized in that, the seal member that both contact and keep watertight is set between above-mentioned joint and shower nozzle mounting portion with this, the periphery of the installation portion of shower nozzle is provided with the locking ring that can dwindle diametrically simultaneously, on the interior week of joint, be provided with the stage portion chimeric in addition with this locking ring.Like this, be provided with on the terminal location that is screwed into by the spiral at shower nozzle above-mentioned locking ring is embedded stage portion, shower nozzle and joint are closely bound together.
The described invention of a fourth aspect of the present invention, it is characterized in that, in the invention structure of second aspect, below the stage portion of joint, angular guide surfaces is set, when being screwed into the shower nozzle spiral on the joint, the locking ring that is provided with on angular guide surfaces and the shower nozzle is slidingly connected, and this locking ring radially dwindles and directs into stage portion.
Description of drawings
Fig. 1 is the side view that dissects of the major part of the embodiment of the mounting structure of shower nozzle of the present invention;
Fig. 2 is the major part enlarged drawing of Fig. 1;
Fig. 3 is the major part cross-sectional view of joint shown in Figure 1;
Fig. 4 is the plane of the locking ring that uses of the installation constitution of Fig. 1;
Fig. 5 shows the cross-sectional view under other the joint installment state of locking ring of example;
Fig. 6 shows the major part sectional view of the engagement state of other locking ring;
Fig. 7 illustrate other embodiments of the invention major part block side view.
The specific embodiment
Below, the present invention is described in detail based on the embodiment shown in the figure.
Fig. 1 dissects side view for the major part of the mounting structure of shower nozzle of the present invention, and Fig. 2 is a partial enlarged drawing.Among the figure, be provided with the joint that slightly is tubular of negative thread 11 in symbol 10 expressions week, the same with existing joint, this joint 11 extends downwardly near being connected with the horizontal pipe arrangement (not shown) of laying in the ceiling on the standpipe (not shown) of ceiling by being connected to.
In addition, shower nozzle S is also the same with existing shower nozzle, be provided with in the centre hexagonal bolt shape spanner coupling part 2 above, be provided with the mounting portion 1 that is formed with pin thread 5 on the periphery, in the body 3 below coupling part 2, built-in decomposes when breaking out of fire is installed, and open the thermoinduction breaking plant (not shown) of water for fire extinguishing outlet (not shown).
In addition, among Fig. 1, symbol 4 expression be arranged on body 3 the below, body 1 absorbs fire heat etc. and carries out thermoinduction and decompose needed thermal-arrest plate.
At this, in the mounting structure of the present invention, the downside that is provided with negative thread 11 of joint 10 be provided with groove 13 interior week, locking ring 20 is embedded into herein.
As shown in Figure 4, this locking ring 20 is the local approximate C font (plan view) that is intercepted.In a way, it can enlarge diametrically, is formed by spring steel.In addition, the internal diameter of this locking ring 20 is set at more a little bit smaller a little than the external diameter of the lower end of the mounting portion 1 of shower nozzle S.So in the state that is embedded into groove 13, as shown in Figure 3, the interior distolateral of it remains from a little inwardly square outstanding state of the interior week of joint 10.
In addition, the upside of the negative thread 11 of this joint 10 be provided with engaging groove 12 interior week, be embedded into herein (in this groove) as the O shape ring 30 of seal member.
On the one hand, shower nozzle S becomes big at its diameter of lower end side that it is provided with the mounting portion 1 of pin thread 5, is provided with the stage portion 7 that is used to embed aforementioned locking ring 20 herein.So, when shower nozzle S is screwed into joint 10 and installs by screw thread, being screwed into extreme positions at screw thread, the groove 13 that is provided with on this stage portion 7 and the joint 10 is relative.
Below, the joint 10 of said structure and the installation method of shower nozzle S are described, at first, with the mounting portion 1 of shower nozzle S from being installed on the not shown standpipe and being arranged on the inboard that joint is inserted in the below of the joint 10 on the ceiling, by rotary nozzle S, pin thread 5 screw engagement that the periphery of the negative thread 11 that is provided with in interior week of joint 10 and mounting portion 1 is provided with, thus shower nozzle S spiral is screwed into.At this moment, in threaded portion, there are not the band and the sealant that hinder rotation, in addition, because the screw thread body need not form the shape of cone, even do not use instrument such as spanner also can easily operate in the operation.
Like this, as the shower nozzle spiral is screwed in the joint 10, the angular guide surfaces 6 that then is arranged on the below of pin thread 5 contacts with locking ring 20 in the groove 13 that remains on joint 10, along with the spiral of shower nozzle S is screwed into, rubber-like locking ring 20 is slidingly connected with angular guide surfaces 6 and is enlarged diametrically, is squeezed in the groove 13.
Then, from this state further, after shower nozzle S spiral is screwed into, be arranged on stage portion 7 on the 1 lower end periphery of mounting portion and arrive the position relative with groove 13, the locking ring 20 that the extruding that wherein is in groove 13 inside has enlarged, by the elastic restoring force of self, return to original state, the inner of locking ring 20 is embedded in this stage portion 7.Therefore, along with the sound that drips, the shower nozzle S that spiral is screwed into stops at this position, and stops further that spiral is screwed into.At this moment, the upside of mounting portion 1 is inserted into the inboard of the O shape ring 30 at joint ditch 12 places that remain on joint 10, is arranged between joint 10 and the shower nozzle S by this O shape is encircled 30, thereby keeps watertightness performance.
In the mounting structure of above-mentioned shower nozzle of the present invention, because shower nozzle S only is screwed in the joint 10 by spiral, so, can at an easy rate shower nozzle S be installed on the joint 10 and not and can leak.Therefore, no longer need to implement the winding of the band mentioned and the waterproof means such as coating of sealant during operation.In addition, operation itself does not need instruments such as spanner just can easily carry out yet.In addition, because can feel the sound that drips, can excessively not worry taking place the uneven phenomenons such as deviation of installation site by operator's mistake so worry that spiral is not screwed into along with spiral is screwed into terminal location yet.
In addition, in the installation constitution of the present invention, because the crooked arch section 20a of the inboard of locking ring 20 engages (as shown in Figure 2) with stage portion 7, if so shower nozzle is rotated to the direction that screw thread unclamps, the angle part 7a of stage portion 7 upsides is squeezed on this crooked position so, and the result makes locking ring 20 push expansion laterally.Therefore, only need strength slightly bigger when installing, just shower nozzle can be taken out from joint 10.In addition at that time, owing to do not worry that locking ring 20 can be damaged, after taking out, similarly this shower nozzle S can be installed once more.
Fig. 5 expresses other embodiment of locking ring.As shown in Figure 5, in this case, the internal diameter of locking ring 21 is not invariable circular-arc, by carrying out bending at preposition, forms the outstanding to the inside scheme of coupling part 21a of three positions.In addition, the same with such scheme, when shower nozzle S spiral was screwed into joint 10, this locking ring 21 also joined with angular guide surfaces 6 and is enlarged by extruding laterally, is being provided with the location restore original state of stage portion 7.In this scheme,, make under shower nozzle S and state that joint 10 is connected, can keep the location by coupling part 21a is embedded in the stage portion 7.
Fig. 6 expresses the sectional view of the engagement state of above-mentioned locking ring 21.This locking ring 21 as shown in the figure is not to be to be formed by the rounded wire rod in cross section, but is formed for the pentagonal parts that are substantially in chevron cross section by interior all sides (right side among Fig. 6).So, in this case, when shower nozzle S outwards being taken out from joint 10 by rotation, the angle part 7a of the upside of stage portion 7 contacts with the inclined plane of interior all upsides of locking ring 21, the result enlarges (left side of Fig. 6) extruding laterally of this locking ring 21, wherein the joint between locking ring 21 and the stage portion 7 is disengaged, and shower nozzle S can take out from joint 10.
Fig. 7 expresses the sectional view of other installation constitutions of the shower nozzle among the present invention.As shown in the figure, in this case, the periphery in the mounting portion 1 of shower nozzle S is provided with the groove 9 that is used for keeping locking ring 22, in the stage portion 14 that engages with this locking ring 22 that is provided with in interior week of joint 10.So when shower nozzle S was installed, this locking ring 22 was slidingly connected with angular guide surfaces 15 on the interior week that is arranged on joint 10, push the inboard by dwindling of making progress of footpath, be embedded in the stage portion 14 by outwards launching in the position that is provided with stage portion 14.At this moment, the O shape ring 30 that remains in the engaging groove 8 of groove 9 upsides contacts with the inner peripheral surface of joint 10, and is identical by keep this technology of water seal and aforesaid technical scheme at their obstructions between the two.So the scheme of its function and previous embodiment does not have any variation.
In addition, in this embodiment, shower nozzle S is rotated on outside direction, because the angle part 14a of the downside of the stage portion 14 that forms on the joint 10 contacts with the extruding of the flexure plane in locking ring 22 outsides, locking ring 22 is subjected to making the power on its direction of dwindling diametrically, just removes and the combining of stage portion 14.
In the installation constitution of the shower nozzle of the invention described above, shower nozzle S easily is installed on the joint 10 removedly.In addition, even anyone carries out operation, drainage can not take place, can be installed to correct position reliably.
In addition, among the embodiment as shown in the figure, as shower nozzle S, though shown in the example is the scheme that the thermoinduction decomposer is arranged on the inside of body 3, but installation constitution of the present invention, so long as can use in any one scheme of the installation of the screw engagement that shower nozzle is screwed into by spiral, for example, structure can be horseshoe-shaped and scheme yoke shape.
In addition, among the embodiment as shown in the figure, as locking ring 20,21, though shown in the example to be periphery fallen the scheme of a part by intercepting, be to use the locking ring of installation constitution of the present invention, as long as engaging portion can radially dwindle or direction of expansion on have elasticity and can carry out compressional movement can, for example, it is also passable a plurality of connecting portions to be connected into this scheme of ring-type of polygon.
In addition, among the embodiment as shown in the figure, though the size of locking ring 20,21,22 can change diametrically, by embedding groove 9,13 with mobile hardly state on above-below direction, but this groove 9,13, its groove width (size of above-below direction) than the external diameter (perhaps thickness) of locking ring 20,21,22 big a little a bit can, like this, under shower nozzle S and state that joint 10 is connected, can carry out inching to the installation site of shower nozzle S.In addition, locking ring 20,21,22 can be realized the function that original prevention comes off like this, owing to have the O shape ring as seal member that remains between shower nozzle S and the joint 10, does not therefore worry producing leaking.
As mentioned above, among the present invention, in the installation constitution of the shower nozzle of first aspect and third aspect record, locking ring embeds stage portion when shower nozzle is screwed into terminal location by spiral, because shower nozzle keeps being connected with joint by the O shape ring as seal member, do not need to implement the waterproof measure of the winding of described band and the coating of sealant etc. during operation, in addition, operation itself also can just can be carried out at an easy rate without instruments such as spanners.Therefore, can improve the fitting operation performance of the shower nozzle of operating difficulties, when alleviating operator's burden, do not worry sneaking into the use that hampers it in the shower nozzle because of the breakage and the part sealant of the band after installing yet, in this device, do not worry to cause fatal bad consequences for use.
In addition, owing to can supervene the sound of ticktock when the spiral of shower nozzle is screwed into terminal location, therefore it is excessive not worry that spiral is screwed into, prevent when applying excessive strength and produce damage accident, even carrying out this operational method of work, a plurality of operators can not produce uneven problem yet, this shower nozzle can be installed to correct position reliably, and can not produce and leak.
Further, in the installation constitution of the present invention, shower nozzle is taken out from joint, therefore can easily carry out the inspection one by one and the exchange of shower nozzle, also have good maintainability owing to can not damage locking ring etc.
In addition, in the invention of second aspect and fourth aspect record,, make locking ring enter to transporting of stage portion because the angular guide surfaces of guiding locking ring is arranged on the periphery of mounting portion and the interior week of joint, slick and sly and reliable, reach the effect of the intention of further raising operability.
Claims (4)
1, a kind of mounting structure of shower nozzle by the pin thread that will be provided with in the periphery of the mounting portion of shower nozzle and the mutual screw engagement of negative thread that is provided with in interior week at joint, and is connected dirty vertical tube by this joint with shower nozzle, it is characterized in that:
The seal member that both contact and are used to keep watertight is set between above-mentioned joint and shower nozzle mounting portion with this, simultaneously, on the interior week of joint, be provided with the locking ring that can enlarge diametrically, and, on the periphery of the mounting portion of shower nozzle, be provided with the stage portion with this locking ring tabling, the position that enters terminal by the screw thread at shower nozzle embeds stage portion with aforementioned locking ring, and shower nozzle and joint are closely coupled together.
2, according to the mounting structure of the described shower nozzle of claim 1, it is characterized in that, above the stage portion of the mounting portion of shower nozzle, be provided with angular guide surfaces, when the shower nozzle spiral is screwed into joint, the locking ring that is provided with on this angular guide surfaces and this joint is slidingly connected, and this locking ring radially enlarges and directs into stage portion.
3, a kind of mounting structure of shower nozzle by the pin thread that will be provided with in the periphery of the mounting portion of shower nozzle and the mutual screw engagement of negative thread that is provided with in interior week at joint, and is connected dirty vertical tube by this joint with shower nozzle, it is characterized in that:
The seal member that both contact and are used to keep watertight is set between above-mentioned joint and shower nozzle mounting portion with this, simultaneously, on the periphery of the installation portion of shower nozzle, be provided with the locking ring that can dwindle diametrically, in addition, on the interior week of joint, be provided with the stage portion chimeric with this locking ring, the position that enters terminal by the screw thread at shower nozzle embeds stage portion with aforementioned locking ring, thereby shower nozzle and joint are closely coupled together.
4, according to the mounting structure of the shower nozzle of claim 3 record, it is characterized in that, below the stage portion of joint, be provided with angular guide surfaces, when the shower nozzle spiral is screwed into joint, the locking ring that is provided with on this angular guide surfaces and this shower nozzle is slidingly connected, and this locking ring radially dwindles and directs into this stage portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP160723/2003 | 2003-06-05 | ||
| JP2003160723A JP2004357981A (en) | 2003-06-05 | 2003-06-05 | Fitting structure of sprinkler head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1572339A true CN1572339A (en) | 2005-02-02 |
Family
ID=34053420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100639384A Pending CN1572339A (en) | 2003-06-05 | 2004-06-04 | Mounting device of shower nozzle |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2004357981A (en) |
| KR (1) | KR20040108608A (en) |
| CN (1) | CN1572339A (en) |
| TW (1) | TWI266019B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405874A (en) * | 2013-08-30 | 2013-11-27 | 广东胜捷工业安全技术有限公司 | Double-phase-flow fire-extinguishing nozzle |
| CN106439283A (en) * | 2016-10-18 | 2017-02-22 | 曾广新 | Connecting pipe system |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI554698B (en) * | 2011-08-24 | 2016-10-21 | ming-hong Chen | Quick installation of the water supply unit |
| JP6535523B2 (en) * | 2015-06-27 | 2019-06-26 | 千住スプリンクラー株式会社 | Fitting for sprinkler head |
| JP6727529B2 (en) * | 2015-06-27 | 2020-07-22 | 千住スプリンクラー株式会社 | Sprinkler head fitting |
| US10744527B2 (en) | 2016-08-23 | 2020-08-18 | Viking Group, Inc. | Low torque sprinkler fitting and method of manufacture |
| KR20210114195A (en) | 2020-03-10 | 2021-09-23 | (주)광운기업 | Leakage sensing apparatus of sprinkler system and method of operation in the leakage sensing apparatus |
| US20230054235A1 (en) * | 2020-03-19 | 2023-02-23 | Tyco Fire Products Lp | Quick connect sprinkler |
| AU2021250716A1 (en) * | 2020-03-31 | 2022-11-03 | Tyco Fire Products Lp | Systems and methods for quick connect storage sprinklers and fittings |
| EP4294537A1 (en) | 2021-02-17 | 2023-12-27 | Minimax Viking Research & Development GmbH | Fire protection systems and methods using fire protection devices installed in pipe fittings with an internally housed seal member |
-
2003
- 2003-06-05 JP JP2003160723A patent/JP2004357981A/en active Pending
-
2004
- 2004-06-04 CN CNA2004100639384A patent/CN1572339A/en active Pending
- 2004-06-04 KR KR1020040040752A patent/KR20040108608A/en not_active Application Discontinuation
- 2004-06-15 TW TW093117199A patent/TWI266019B/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405874A (en) * | 2013-08-30 | 2013-11-27 | 广东胜捷工业安全技术有限公司 | Double-phase-flow fire-extinguishing nozzle |
| CN106439283A (en) * | 2016-10-18 | 2017-02-22 | 曾广新 | Connecting pipe system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040108608A (en) | 2004-12-24 |
| TWI266019B (en) | 2006-11-11 |
| TW200540355A (en) | 2005-12-16 |
| JP2004357981A (en) | 2004-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1572339A (en) | Mounting device of shower nozzle | |
| US20070246219A1 (en) | Seal for a fluid assembly | |
| CN207762398U (en) | A kind of attachment device for water supply and sewerage pipeline | |
| CN205402037U (en) | Hydraulic pressure fluid pipeline system of connections and machine | |
| CA2698587C (en) | Sealable drain pipe coupling | |
| CN1659400A (en) | Coupling assembly and method | |
| CN201265365Y (en) | Well drilling water-resistant pipe connector suitable for deep water operation | |
| KR200390447Y1 (en) | Ball clip joint structure for large size drain pipe connect | |
| JP2007046701A (en) | Sluice valve device | |
| CN105465362A (en) | Anti-slipping sealing ring, anti-slipping block and pipeline assembly comprising sealing ring | |
| CN213271536U (en) | Three-way pipeline fastening device and fastening device | |
| CN202926228U (en) | Spline type high-pressure swinging and spraying drill stem | |
| BRPI0702894A2 (en) | a connector assembly for an off shore riser | |
| DE202015106967U1 (en) | connection system | |
| CN212455872U (en) | Drainage pipe of hydraulic engineering antiseep | |
| CN104896255B (en) | A kind of maintenance fixture of the compliant riser based on ROV operation | |
| KR101047503B1 (en) | Branch pipe socket | |
| CN209959180U (en) | Titanium alloy oil pipe joint | |
| CN113483113B (en) | Loose joint ball valve | |
| CN219242704U (en) | Three-way valve core reversing ball valve | |
| CN204571883U (en) | A kind of maintenance jig of compliant riser | |
| CN212407792U (en) | Mining pipeline protection fixing device | |
| JP3083365U (en) | Water supply pipe joints | |
| CN218235057U (en) | Sulfur-resistant and erosion-resistant high-pressure manifold | |
| CN211398868U (en) | Corrosion-resistant adapter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |