CN106195489A - The combination accessory of fire hose - Google Patents
The combination accessory of fire hose Download PDFInfo
- Publication number
- CN106195489A CN106195489A CN201610730569.2A CN201610730569A CN106195489A CN 106195489 A CN106195489 A CN 106195489A CN 201610730569 A CN201610730569 A CN 201610730569A CN 106195489 A CN106195489 A CN 106195489A
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- China
- Prior art keywords
- accessory
- mentioned
- undertaking
- throw
- out collar
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The combination accessory of the fire hose of the present invention outer peripheral face in sliding cylinder portion (25) is provided with main body side anti-slip tank (25a), the two ends of the inner peripheral surface of throw-out collar (22) are provided with throw-out collar side anti-slip tank (22c), it is provided with gap between the inner peripheral surface and the outer peripheral face in sliding cylinder portion of throw-out collar (22), it is prevented from the releasing of the combination accessory caused because of barrier when drawing fire hose, and there is no to add the trouble of additional component, do not damage conventional excellent operability, it is possible to more efficient and carry out fire-fighting operation safely.
Description
The application is entitled " the combination accessory of fire hose ", filing date March 23, Application No. in 2012
201210085819.3 the divisional application of application for a patent for invention.
Technical field
The present invention relates to the combination accessory of a kind of fire hose, particularly relate to a kind of fire-fighting possessing the anti-locking mechanism that comes off
The combination accessory of water band, this danger that anti-locking mechanism produces because of coming off for avoiding fire hose that comes off.
Background technology
When fire brigade carries out fire-fighting operation, needing to make fire hose extend to fire point from fire fighting truck, reliably conveying is gone out
Fire agent.
The outlet of fire hose and fire fighting truck, fire hose with discharge water nozzle and fire hose is joined by combination each other
Part connects.From fire fighting truck, the water or foam that receive pressurization are sent to, by them, the nozzle that discharges water, then release described water or bubble
Foam is for fire extinguishing etc..
Plug-in type, screw-type and torsional mode is had in the combination accessory that Japan sells.Plug-type raised path between farm fields open country formula combines joins
Part is due to simple in construction, lightweight, and the operability of mounting or dismounting is excellent, so being used in most of fire brigade.
Figure 12～Figure 14 represents that raised path between farm fields open country formula combines the structure of accessory.
Constitute with insertion accessory 20 by accepting accessory 10 in conjunction with accessory.
Insert accessory 20 to be made up of insertion fitment body 21 and throw-out collar 22.The side inserting fitment body 21 is provided with use
In the ring-type teat 23 locking with the undertaking accessory pawl 17 accepting accessory 10.Insert fitment body 21 the opposing party be provided with by
The insertion accessory use water band connecting portion 24 that serrated crosssection is constituted.Throw-out collar 22 is by for accepting the locking solution that accessory pawl 17 is pushed open
Except using cylindrical portion 22a and constituting with the flange shape operating portion 22b of finger press.The external diameter of locking releasing cylindrical portion 22a is than inserting
The external diameter of the ring-type teat 23 entering fitment body 21 is somewhat larger.
Accept accessory 10 by accepting fitment body 11, accepting accessory dead ring 13, pawl seat 14, undertaking accessory pawl 17, pawl bullet
Spring 15, rubber strip 16 and O-ring seals 18 are constituted.
Accept accessory dead ring 13, pawl seat 14, accept accessory pawl 17, latch spring 15, rubber strip 16 and O-ring seals 18
It is arranged in the side accepting fitment body 11.The opposing party accepting fitment body 11 is provided with holding of being made up of serrated crosssection
Connect accessory water band connecting portion 12.
Multiple undertaking accessory pawls 17 are arranged by equal intervals at circumferencial direction, and towards the front end accepting accessory 10, (side opens
Mouthful) there is inclined-plane.Can radially slide along pawl seat 14 it addition, accept accessory pawl 17.Latch spring 15 is always towards center position pair
Accept accessory pawl 17 and apply elastic force.
When being inserted by insertion accessory 20 in undertaking accessory 10, insert the limit of the front end (opening of a side) of fitment body 21
Edge encounters the inclined-plane accepting accessory pawl 17, and overcomes the power of latch spring 15 to make undertaking accessory pawl 17 retreat (moving outward).By
This, the front end inserting fitment body 21 proceeds to accept the limiting section 19 of fitment body 11, inserts the outer peripheral face of fitment body 21
Seal by O-ring seals 18 with the inner peripheral surface accepting fitment body 11.Now, the ring-type teat 23 inserting fitment body 21 is crossed
Accept the position of accessory pawl 17, therefore, accept accessory pawl 17 and exerted a force towards center position by the power of latch spring 15, thus return to
Position originally, completes to combine.
When to be released by the accessory combined, make throw-out collar 22 towards accepting the direction of accessory 10, i.e. insertion fitment body 21
The direction of ring-type teat 23 move.By making throw-out collar 22 move, locking releasing cylindrical portion 22a encounters undertaking accessory pawl 17
Inclined-plane, pushes open undertaking accessory pawl 17, while proceeding to insert the ring-type teat 23 of accessory 20.Thus will accept accessory pawl
17 with the locking elimination of ring-type teat 23, release and combine.
So, raised path between farm fields open country formula combines accessory and can combine simply and release.On the other hand, although raised path between farm fields open country formula combines accessory tool
Have a good operability, but a mechanism throw-out collar 22 of the bonding state releasing accessory not being fixed, accordingly, there exist because of
Hook etc. when impact, water Tape movement and make throw-out collar 22 move towards the direction released, make undertaking accessory pawl 17 disengage, water band connects
The probability that portion 24 departs from.It practice, in the fire-fighting operation of scene of fire, the nozzle that sometimes discharges water is de-with the combination accessory of water band
Open, or because when water band extends to combining the impact of accessory, at step, water band combines the throw-out collar 22 of accessory when extending and is hooked in
Step and water band connecting portion 24 is disengaged.In such occasion, send water to be interrupted, cause obstacle to fire-fighting operation.And, also
There is the water band that joint portion disengaged to dap under the effect of current and danger that the people of surrounding brings harm.
To release in conjunction with accessory in the case of the pressure not releasing water band it addition, also produce in training, fire-fighting operation
Mistake.
In a word, if just by water, the fire hose of pressurized with compressed air combination accessory because outside reason, the operation of people
Mistake and accidentally released, the most not only can cause obstacle to fire-fighting operation, and the most also can be to operator, people around
Bring harm.It is therefore prevented that this problem is the problem of fire-fighting.
In recent years, the fire fighting truck carrying compressed air foam fire-extinguishing system (CAFS) is continuously increased.CAFS car can be simple
Ground switching water and the radiation of foam, more cope with various fire than conventional pump truck, it is possible to put out a fire expeditiously.But
On the other hand, CAFS car is owing to using compressed-air foam, so combining the occasion that accessory is relieved accidentally, injection is had
There is the compressed-air foam of a lot of energy.Compressed-air foam is compared water and is had the probability around producing bigger harm.
It is therefore prevented that the combination accessory of fire hose be accidentally released to the task of top priority.
Patent document 1 discloses that the side preventing causing combining situation about accidentally being released because of throw-out collar 22 and barrier hook
Method.That is, there is the lid component of the external diameter bigger than the external diameter of throw-out collar 22 in the periphery installation inserting accessory 20 and undertaking accessory 10,
So that throw-out collar 22 can not simply with ground, bar contact.
It addition, in patent documentation 2, patent documentation 3, the locking component disclosing the movement by limiting throw-out collar 22 injects slotting
Enter and prevent from combining the method that accessory is released accidentally between the throw-out collar 22 of accessory 20 and the dead ring accepting accessory 10.
Citation
Patent documentation
Patent documentation 1: No. 3742003 publications of Japan Patent
Patent documentation 2: Japanese Unexamined Patent Publication 2000-329280 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2004-11860 publication
Summary of the invention
The problem that invention is to be solved
But, according to patent documentation 1, the weight and volume in conjunction with accessory increases, and operability suffers damage, and cost also increases
Add.It addition, the false dismissal of the combination caused because of mistake can not be prevented.
It addition, according to patent documentation 2, patent documentation 3, although it is prevented from the movement of water band because throw-out collar is hooked in barrier
The disengagement of the combination accessory hindering thing and produce, but the careless disengagement caused because of maloperation can not be prevented.It addition, install locking structure
Part is the most bothersome for the firefighting activities raced against time, and causes damage the operability of water band.It addition, it may also happen that forget peace
The mistake of dress locking component.
The problem that the invention solves the problems that is to solve above-mentioned problem of the prior art, it is provided that a kind of fire hose combination is joined
Part, this fire hose is prevented from the releasing of the combination accessory caused because of barrier when drawing fire hose with combining accessory,
And there is no to add the trouble of additional component, do not damage conventional excellent operability, it is possible to more efficient and carry out safely
Fire-fighting operation.
For solving the means of problem
The combination accessory of a kind of fire hose, is constituted with accepting accessory by inserting accessory, and above-mentioned insertion accessory has insertion
Fitment body and throw-out collar, this insertion fitment body is provided with ring-type teat on a side, is provided with insertion accessory on the opposing party
With water band connecting portion, between above-mentioned ring-type teat and above-mentioned insertion accessory water band connecting portion, it is provided with sliding cylinder portion, should
Throw-out collar can slide in above-mentioned sliding cylinder portion；Above-mentioned undertaking accessory has undertaking fitment body and latch spring, and this undertaking is joined
Part main body is provided with undertaking accessory pawl on a side, is provided with undertaking accessory water band connecting portion on the opposing party；This latch spring
Above-mentioned undertaking accessory pawl is exerted a force by the direction towards the central axis of above-mentioned undertaking fitment body；From above-mentioned undertaking fitment body one
Side inserts above-mentioned ring-type teat, until crossing the position of above-mentioned undertaking accessory pawl, thus combines above-mentioned insertion accessory with upper
State undertaking accessory, make above-mentioned throw-out collar slide along above-mentioned sliding cylinder portion and insert in above-mentioned undertaking accessory, with above-mentioned undertaking accessory
The locking releasing inclined-plane of pawl abuts, above-mentioned throw-out collar push above-mentioned locking releasing inclined-plane, thus by above-mentioned undertaking accessory pawl
Push open outward, release the locking of above-mentioned undertaking accessory pawl and above-mentioned ring-type teat, thus release above-mentioned insertion accessory with above-mentioned
Accept the combination of accessory, it is characterised in that: the outer peripheral face in above-mentioned sliding cylinder portion is provided with main body side anti-slip tank, pushes away above-mentioned
The two ends of the inner peripheral surface of ring are provided with throw-out collar side anti-slip tank, upper in the above-mentioned inner peripheral surface of above-mentioned throw-out collar and above-mentioned sliding cylinder portion
State and between outer peripheral face, be provided with gap.
The effect of invention
As indicated above, according to the combination accessory of the fire hose of the present invention, it is possible in the combination that maintenance is conventional
While the excellent operability of accessory, prevent the disengagement of the combination accessory caused because of the barrier in water Tape movement.Thus,
It can be avoided that dapping etc. of the water band caused because combining the careless disengagement of accessory is dangerous, it is possible to implement safer, rapid
Firefighting activities.
Accompanying drawing explanation
Fig. 1 is the half sectional view of the state that the combination accessory of the fire hose making one embodiment of the present of invention has disengaged.
Fig. 2 is to make this combine the half sectional view of the state that accessory combines.
Fig. 3 be this combine accessory want portion's sectional view.
Fig. 4 is to combine the half sectional view of throw-out collar of accessory for this.
Fig. 5 is to represent that what this combined the operating state of accessory wants portion's sectional view.
Fig. 6 is the half sectional view inserting accessory of the combination accessory of the fire hose for another embodiment of the present invention.
Fig. 7 is the curve chart of the pressure representing this fire hose and the relation of axial pulling force.
Fig. 8 is the locking locking ideograph with the power relation released of the combination accessory about the present embodiment.
Fig. 9 is to represent relative to conventional combination accessory and the song of the measured value of the releasing power of the combination accessory of the present embodiment
Line chart.
Figure 10 is the figure that the maximum representing and being released the card timing combining accessory by people refers to the measured value of power.
Figure 11 is the figure of the situation of the releasing of the combination accessory representing conventional combination accessory and the present embodiment.
Figure 12 is the half sectional view of the state making the combination accessory of conventional fire hose disengage.
Figure 13 is to make this combine the half sectional view of the state that accessory combines.
Figure 14 be this combine accessory accept accessory pawl enlarged drawing.
The explanation of symbol
10 accept accessory
11 accept fitment body
12 accept accessory use water band connecting portion
15 latch springs
17 accept accessory pawl
17a locking releasing inclined-plane
17b projection
20 insert accessory
21 insert fitment body
22 throw-out collars
23 ring-type teats
23a inserts accessory use water band connecting portion side end face
23b inclined-plane
23c locking locking groove
24 insert accessory use water band connecting portion
25 sliding cylinder portions
25a main body side anti-slip tank
25b keyway
Detailed description of the invention
The combination accessory of the fire hose of the 1st embodiment of the present invention, is constituted with accepting accessory 10 by inserting accessory 20,
Above-mentioned insertion accessory 20 has insertion fitment body 21 and throw-out collar 22；This insertion fitment body 21 is provided with ring-type prominent on a side
Portion 23, is provided with insertion accessory water band connecting portion 24 on the opposing party, uses with above-mentioned insertion accessory at above-mentioned ring-type teat 23
Being provided with sliding cylinder portion 25 between water band connecting portion 24, this throw-out collar 22 can slide in above-mentioned sliding cylinder portion 25；Above-mentioned
Accept accessory 10 and there is undertaking fitment body 11 and latch spring 15；This undertaking fitment body 11 is provided with undertaking accessory on a side
Pawl 17, is provided with undertaking accessory water band connecting portion 12 on the opposing party, and this latch spring 15 is towards above-mentioned undertaking fitment body 11
Above-mentioned undertaking accessory pawl 17 is exerted a force by the direction of central axis X 1；Insert above-mentioned ring-type from a side of above-mentioned undertaking fitment body 11
Teat 23, until crossing the position of above-mentioned undertaking accessory pawl 17, thus combines above-mentioned insertion accessory 20 and joins with above-mentioned undertaking
Part 10, makes above-mentioned throw-out collar 22 slide along above-mentioned sliding cylinder portion 25 and insert in above-mentioned undertaking accessory 10, with above-mentioned undertaking accessory
The locking releasing inclined-plane 17a of pawl 17 abuts, above-mentioned throw-out collar 22 push above-mentioned locking releasing inclined-plane 17a, thus by above-mentioned
Accept accessory pawl 17 to push open outward, release the locking of above-mentioned undertaking accessory pawl 17 and above-mentioned ring-type teat 23, thus in releasing
State the combination inserting accessory 20 with above-mentioned undertaking accessory 10, in the combination accessory of the fire hose constituted in such a way,
Outer peripheral face in above-mentioned sliding cylinder portion 25 is provided with main body side anti-slip tank 25a, sets at the two ends of the inner peripheral surface of above-mentioned throw-out collar 22
Be equipped with throw-out collar side anti-slip tank 22c, the above-mentioned outer peripheral face in the above-mentioned inner peripheral surface of above-mentioned throw-out collar 22 and above-mentioned sliding cylinder portion 25 it
Between be provided with gap.According to present embodiment, owing to existing between the inner circumferential of throw-out collar 22 and the periphery inserting fitment body 21
Gap, therefore, if throw-out collar 22 and barrier hook and cause a side side stress, then a side of the front end of throw-out collar 22 floats, another
Nip and insert the periphery of fitment body 21 in side.It addition, also there is identical phenomenon in the rear portion of throw-out collar 22.So, due to
The outer peripheral face in sliding cylinder portion 25 is formed with main body side anti-slip tank 25a, is formed with throw-out collar side at the two ends of the inner peripheral surface of throw-out collar 22
Anti-slip tank 22c, therefore, it can carry out throw-out collar 22 more reliably and insert the locking of fitment body 21, is applied in the barrier of a side
The power hindering thing produces anti-skidding effect.Thereby, it is possible to prevent the careless disengagement of the combination accessory caused because of barrier.
2nd embodiment of the present invention is in the combination accessory of the fire hose of the 1st embodiment, by main body side anti-slip tank
25a or throw-out collar side anti-slip tank 22c is formed as triangle, trapezoidal or wavy cross sectional shape.According to present embodiment, it is possible to more may be used
The disengagement caused because of outside hook is prevented by ground.
3rd embodiment of the present invention, in the combination accessory of the fire hose of the 1st or the 2nd embodiment, is formed with horizontal stroke
Pass through the keyway 25b of main body side anti-slip tank 25a, exceed the width of aforementioned body side anti-slip tank 25a by the two ends of above-mentioned keyway 25b
Mode is set up.According to present embodiment, in sand, the occasion of dust removing of main body side anti-slip tank 25a be will attach to, inciting somebody to action
Brush, cloth etc. is made circumferentially to move under the state that brush, cloth etc. are pressed against groove.So, by sand, dust from main body side anti-slip tank 25a
It is scavenged in keyway 25b, it is possible to easily sand, dust are removed.
Embodiment
Below, the combination accessory of the fire hose of one embodiment of the present of invention is described with reference to the accompanying drawings.
Fig. 1 is partly cuing open of state (but not shown throw-out collar) of having disengaged of the combination accessory of the fire hose making the present embodiment
View, Fig. 2 is the half sectional view of the state that the combination accessory of the fire hose making this embodiment combines, and Fig. 3 is this embodiment
Fire hose combination accessory want portion's sectional view, Fig. 4 is the throw-out collar of the combination accessory of the fire hose for this embodiment
Half sectional view, Fig. 5 be represent this embodiment fire hose combination accessory operating state want portion's sectional view.And,
Component with past case identical function is marked same symbol, and omits part explanation.
The combination accessory of the fire hose of the present embodiment is constituted with undertaking accessory 10 by inserting accessory 20.
Insert fitment body 21 on a side, be provided with ring-type teat 23, the opposing party is provided with insertion accessory water band
Connecting portion 24.Insert fitment body 21 and be provided with sliding cylinder between ring-type teat 23 and insertion accessory water band connecting portion 24
Portion 25.
Throw-out collar 22 shown in Fig. 4 can slide in the sliding cylinder portion 25 shown in Fig. 1.
Accept fitment body 11 on a side, be provided with undertaking accessory pawl 17, the opposing party is provided with undertaking accessory water
Band connecting portion 12.Above-mentioned undertaking accessory pawl 17 is executed by this latch spring 15 towards the direction of the central axis X 1 accepting fitment body 11
Power.
As in figure 2 it is shown, for inserting accessory 20 and accepting accessory 10, insert ring from the side's opening accepting fitment body 11
Shape teat 23, until crossing the position accepting accessory pawl 17.That is, the ring-type teat of the front end inserting fitment body 21 it is in
23 meet the locking releasing inclined-plane 17a accepting accessory pawl 17, overcome the power of latch spring 15, make undertaking accessory pawl 17 retreat.By
This, the front end of ring-type teat 23 advances to accept the limiting section 19 of fitment body 11, O-ring seals 18 seal.Now,
The ring-type teat 23 inserting fitment body 21 crosses undertaking accessory pawl 17, therefore, accepts the accessory pawl 17 power at latch spring 15
Under effect, advance in the direction towards central axis X 1, returns to original position.Thus, the ring-type teat 23 of fitment body 21 is inserted
Accessory pawl 17 is locking with accepting, and completes to combine.
To release the occasion inserting accessory 20 with the combination accepting accessory 10, make throw-out collar 22 slide along sliding cylinder portion 25
And insert in undertaking accessory 10, and abut with the locking releasing inclined-plane 17a accepting accessory pawl 17, throw-out collar 22 push locking solution
Except using inclined-plane 17a, thus being pushed open outward by undertaking accessory pawl 17, releasing undertaking accessory pawl 17 is locking with ring-type teat 23.
The combination accessory of the fire hose of the present embodiment is in the insertion accessory water band connecting portion side end face of ring-type teat 23
It is provided with the locking locking groove 23c defining inclined-plane 23b on 23a, abuts with inclined-plane 23b accepting to be provided with on accessory pawl 17
Projection 17b.
The inclined-plane 23b of locking locking groove 23c is in 0 ° of ＜ α relative to the angle [alpha] of the central axis X 2 inserting accessory 20
The scope that ＜ is 90 °, the present embodiment is set to 45 °.It addition, the inclined-plane of projection 17b abutted with this inclined-plane 23b is also set to and card lock
Surely by the angle that the angle [alpha] of the inclined-plane 23b of groove 23c is identical.
When locking releasing inclined-plane 17a is β relative to the angle of the central axis X 2 inserting fitment body 21, if β is ＜
α。
Accept accessory pawl 17 for 3 to arrange by equal intervals in the circumference accepting accessory 10.Accept accessory pawl 17 towards undertaking
The entrance of accessory 10 has locking releasing inclined-plane 17a, it addition, can radially slide along pawl seat 14.Latch spring 15 is to undertaking
Accessory pawl 17 applies the power moved towards the direction of central axis X 2 always.
If water band is pressurized, then inserts accessory 20 and undertaking accessory 10 moves towards the direction disengaged.Then, by locking locking
The inclined-plane 23b defined with groove 23c is mutually twisted with the inclined-plane formed by projection 17b being formed on undertaking accessory pawl 17,
Bonding state is locked.
When water band is not applied to pressure, as in the past, with finger towards accepting the direction of accessory 10, i.e. inserting
The flange shape operating portion 22b of throw-out collar 22 is pushed by the direction of the ring-type teat 23 of fitment body 21.So, the card of throw-out collar 22
Determine releasing cylindrical portion 22a and encounter by being formed on the inclined-plane that projection 17b accepted on accessory pawl 17 is formed, will accept
Accessory pawl 17 is pushed open, proceeds to insert the ring-type teat 23 of accessory 20.Thereby eliminate undertaking accessory pawl 17 prominent with ring-type
The hook in portion 23, makes the accessory combined disengage.
As the disengagement countermeasure of combination accessory during water band non-pressurised, in locking releasing cylindrical portion 22a of throw-out collar 22
The two ends of inner peripheral surface, be machined with the throw-out collar side anti-slip tank 22c formed by fine groove.Inserting the slip circle of fitment body 21
On the outer peripheral face in cylinder portion 25, machined the main body side anti-slip tank 25a formed by fine groove.
If as it is shown in figure 5, the flange shape operating portion 22b hook barrier of throw-out collar 22, throw-out collar 22 are in a side side stress
State, a side of the front end of the most locking releasing cylindrical portion 22a floats, and the opposing party nips and inserts the periphery of fitment body 21.Separately
Outward, also there is same phenomenon in the rear portion of locking releasing cylindrical portion 22a.Therefore, if forming throw-out collar side anti-slip tank 22c, main body
Side anti-slip tank 25a, the inner circumferential of the most locking releasing cylindrical portion 22a can be the most locking with insertion fitment body 21.It is applied in
The power of the barrier of one side produces anti-skidding effect.Thereby, it is possible to prevent accidentally taking off of the combination accessory caused because of barrier
Open.
Fig. 6 represents the combination accessory of the fire hose of another embodiment of the present invention.
Fig. 6 is the half sectional view inserting accessory of the combination accessory of the fire hose for the present embodiment, represents and pulls down
The state of throw-out collar.Throw-out collar 22 and undertaking accessory 10 are same as the previously described embodiments, therefore, omit the description.It addition, for existing skill
The component mark same-sign of art example identical function, and omit part explanation.
In the present embodiment, it is formed with the keyway 25b traversing a plurality of main body side anti-slip tank 25a, surpasses with the two ends of keyway 25b
The mode of the width crossing main body side anti-slip tank 25a is set up.
In sand, the occasion of dust removing of main body side anti-slip tank 25a be will attach to, brush, cloth etc. are being pressed against groove
State under make brush, cloth etc. circumferentially move.So, sand, dust are scavenged into keyway 25b from main body side anti-slip tank 25a,
Easily sand, dust can be removed.
Fig. 7 represents the relation of water band pressure (discharge water pressure) and the pulling force being axially applied with at water band.This pulling force makes
The direction effect disengaged in conjunction with accessory.The pressure that discharges water is generally more than 0.3Mpa.Nominal 65mm corresponding with this pressure and 50mm
The pulling force of water band be respectively 720N and more than 1100N.The inclined-plane 23b formed by locking locking groove 23c with by being formed on
Accept the inclined-plane that projection 17b on accessory pawl 17 formed to be mutually twisted such that it is able to pulling force general when utilizing this water band pressurize
Accessory bonding state locking each other.
Fig. 8 represents the ideograph of the power relation about the locking locking and releasing combining accessory.F1 is adding by water band
The pulling force that pressure produces.F2 is the power produced by the component of F1.This power makes pawl move towards the direction of central shaft X2, i.e. this power plays
Act on not understanding except locking.F4 is the power being subject to from throw-out collar 22.It addition, F3 is the component of F4, it plays a role to release locking.
Balance is kept when F3 with F2 is equal.If setting the α inclined-plane 23b as locking locking groove 23c relative to the central shaft inserting accessory 20
The angle of line X2, then the angle [alpha] of inclined-plane 23b can be processed to 0 °～90 ° arbitrarily angled.If it addition, setting β as locking releasing
With inclined-plane 17a relative to inserting the angle of central axis X 2 of fitment body 21, the angle beta of the most locking releasing inclined-plane 17a is
Necessarily.Here, pawl is moving radially the distance of L2 by the power of F2, accompanies with this, overcomes the power of F1, and ring-type teat 23 is at axle
Distance to mobile L1.Now, as amount of work, become F1 × L1=F2 × L2.Further, since L1/L2=tan (90-α),
Therefore, each power is as follows with the relation of angle.
F2/F1=tan (90-α) ... formula (1)
F4/F3=tan β ... formula (2)
Equally, F3=F2 tan β=a (constant), therefore,
F4=aF1tan (90-α) ... formula (3)
As formula (3), by changing the angle [alpha] of inclined-plane 23b, make the size variation of releasing power under certain pressure F1.
The groove that conventional combination accessory does not lock, therefore α is 90 °.Therefore, tan (90-α)=0, F4=0.That is, according to conventional
Structure, even if when being applied with pressure, if there is the frictional resistance for the power with locking overcoming latch spring 15
Power, then can release combination.
On the other hand, if α is 0 °, then tan (90-α) becomes infinitely great, with intrinsic pressure unrelated, the locking releasing institute of water band
Power F4 needed becomes infinitely great.So, if suitably setting the angle [alpha] of inclined-plane 23b, the most corresponding releasing power determines.
If the releasing power (comprising latch spring power and frictional force) of the combination accessory under minimum radiation pressure is set the finger than people
Power is bigger, even if then there is maloperation, it is also possible to avoid combining accessory and be accidentally released from.It addition, when water band is pressurized
When moving under state, even if being hooked in barrier, the combination of accessory also will not disengage simply.
It addition, only by above-mentioned countermeasure, when water band is the most pressurized, it is impossible to utilize the pressure of water band to combining accessory
Lock, disengage it is thus impossible to prevent causing combining accessory in movement because of barrier.Therefore, locking at throw-out collar 22
Release the two ends with the inner peripheral surface of cylindrical portion 22a, the throw-out collar side anti-slip tank 22c that processing is formed by fine groove.Inserting accessory
The main body side anti-slip tank 25a formed by fine groove is formed on the outer peripheral face in the sliding cylinder portion 25 of main body 21.
People to combining the occasion that accessory releases, bimanual finger promotes the flange shape operation of throw-out collar 22 equably
Portion 22b.On the other hand, it is hooked in the occasion of barrier at the flange shape operating portion 22b of throw-out collar 22, flange shape operating portion 22b's
One side side stress.Due between inner circumferential and the periphery inserting fitment body 21 of locking releasing cylindrical portion 22a at throw-out collar 22
There is the least gap, therefore, if becoming the stress of a side, the most as shown in Figure 5, locking releasing cylindrical portion 22a
A side of front end float, the opposing party nips and inserts the periphery of fitment body 21.It addition, after locking releasing cylindrical portion 22a
Also there is same phenomenon in portion.Therefore, by forming main body side anti-slip tank 25a, it is possible to make the end of locking releasing cylindrical portion 22a
Face is locking, but forms throw-out collar side anti-slip tank 22c by the two ends of the inner peripheral surface in locking releasing cylindrical portion 22a, it is possible to more may be used
Carry out mutual locking by ground, the power of the barrier putting on a side produces anti-skidding effect.Therefore, it is possible to prevent because of barrier
The careless disengagement of the combination accessory caused.
Fig. 9 represents relative to conventional combination accessory and the measured value of the releasing power of the combination accessory of the present embodiment.
In order to confirm the serviceability of the present invention, trial-production has the angle [alpha] of the inclined-plane 23b of the locking locking groove 23c of 45 °
In conjunction with accessory, the change of water band pressure is made to measure releasing power.It addition, in order to compare, also measure the releasing of conventional combination accessory
Power.Here, releasing power refers to, when inserting accessory 20 and combining with undertaking accessory 10, combine accessory to release
Locking and be applied to the maximum of the power on the flange shape operating portion 22b of throw-out collar 22.The survey of necessary releasing power depicted herein
Definite value is the power of latch spring 15, frictional force and the aggregate value of latching force produced by the occlusion on inclined-plane.
As it is shown in figure 9, water band is not being executed under stressed state, the releasing power phase of conventional product and the present embodiment
Deng.On the other hand, under the pressurized state of water band, along with this pressure increases, the power required for the combination releasing of accessory increases.?
Under the 0.3MPa of common minimum use pressure, the releasing power of the present embodiment is about 6 times of conventional product.
Represent that the maximum being released the card timing combining accessory by people refers to the measured value of power in Fig. 10.
Different from the structure accepting accessory 10 owing to inserting accessory 20, therefore, according to the operator released when combining accessory
With the relative position combining accessory, i.e. standing in insertion accessory 20 side or stand in undertaking accessory 10 side, the holding of finger is easy
Property changes, and accompanies with this, and the way of output of power also changes.Mensuration is to carry out two positions relative to identical testee
Mensuration.It addition, as measuring object, be divided into common people and fireman and each group be measured.Learn from this result, be used for
The minima of finger power, maximum and the meansigma methods that release the common people combining accessory are respectively 140N, 550N and 308N.Separately
Outward, the minima of finger power, maximum and the meansigma methods of fire fighter is respectively 149N, 680N and 398N.
According to this result, using the occasion of conventional combination accessory, according to the difference of people, at the water band pressure of 0.7MPa
Under be also possible to release the combination combining accessory.On the other hand, in the occasion of the combination accessory using the present invention, it is possible to by people's
The releasing of finger power combines the limiting pressure of accessory and is about 0.11MPa.Common minimum use pressure during fire-fighting operation is 0.3MPa,
Therefore, if utilizing the present embodiment, then it is prevented from the disengagement of the combination accessory caused because of maloperation.
Figure 11 is whether the combination accessory to conventional combination accessory and the present embodiment can lead because throw-out collar is hooked in step
The combination causing accessory is released from carrying out the result of inquiry agency acquisition.It addition, when water band is the most pressurized, to throw-out collar 22 hook
The state of accessory when being hung on step has been also carried out investigating.Experiment uses new combination accessory to carry out respectively 10 times.Same
Under pulling force, the probability that conventional combination accessory is released from combining is 100%, and the releasing probability of the present embodiment is 0%.Can obtain
Know, in the present embodiment, when by barrier hooks such as steps, it is possible to prevent careless disengagement.
Therefore, the serviceability of the present invention is confirmed.
Claims (3)
1. a combination accessory for fire hose, is constituted with accepting accessory by inserting accessory,
Above-mentioned insertion accessory has insertion fitment body and throw-out collar,
This insertion fitment body is provided with ring-type teat on a side, is provided with insertion accessory water band and connects on the opposing party
Portion, is provided with sliding cylinder portion between above-mentioned ring-type teat and above-mentioned insertion accessory water band connecting portion,
This throw-out collar can slide in above-mentioned sliding cylinder portion；
Above-mentioned undertaking accessory has undertaking fitment body and latch spring,
This undertaking fitment body is provided with undertaking accessory pawl on a side, is provided with undertaking accessory water band and connects on the opposing party
Portion；
Above-mentioned undertaking accessory pawl is exerted a force by this latch spring towards the direction of the central axis of above-mentioned undertaking fitment body；
Above-mentioned ring-type teat is inserted, until the position crossing above-mentioned undertaking accessory pawl is from a side of above-mentioned undertaking fitment body
Only, thus combine above-mentioned insertion accessory and above-mentioned undertaking accessory,
Above-mentioned throw-out collar is made to slide along above-mentioned sliding cylinder portion and insert in above-mentioned undertaking accessory, locking with above-mentioned undertaking accessory pawl
Releasing inclined-plane abuts, above-mentioned throw-out collar push above-mentioned locking releasing inclined-plane, thus pushed away outward by above-mentioned undertaking accessory pawl
Open, release the locking of above-mentioned undertaking accessory pawl and above-mentioned ring-type teat, thus release above-mentioned insertion accessory and above-mentioned undertaking accessory
Combination, it is characterised in that:
Outer peripheral face in above-mentioned sliding cylinder portion is provided with main body side anti-slip tank,
Throw-out collar side anti-slip tank it is provided with at the two ends of the inner peripheral surface of above-mentioned throw-out collar,
It is provided with gap between the above-mentioned inner peripheral surface and the above-mentioned outer peripheral face in above-mentioned sliding cylinder portion of above-mentioned throw-out collar.
The combination accessory of fire hose the most according to claim 1, it is characterised in that: by aforementioned body side anti-slip tank or on
State throw-out collar side anti-slip tank and be formed as triangle, trapezoidal or wavy cross sectional shape.
The combination accessory of fire hose the most according to claim 1 and 2, it is characterised in that: formed and traverse aforementioned body side
The keyway of anti-slip tank, sets up in the way of the two ends of above-mentioned keyway exceed the width of aforementioned body side anti-slip tank.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-187580 | 2011-08-30 | ||
| JP2011187580A JP5864164B2 (en) | 2011-08-30 | 2011-08-30 | Fire hose coupling fittings |
| CN201210085819.3A CN102966817B (en) | 2011-08-30 | 2012-03-23 | The combination accessory of fire hose |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210085819.3A Division CN102966817B (en) | 2011-08-30 | 2012-03-23 | The combination accessory of fire hose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106195489A true CN106195489A (en) | 2016-12-07 |
| CN106195489B CN106195489B (en) | 2019-03-26 |
Family
ID=47797151
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210085819.3A Active CN102966817B (en) | 2011-08-30 | 2012-03-23 | The combination accessory of fire hose |
| CN201610730569.2A Active CN106195489B (en) | 2011-08-30 | 2012-03-23 | The combination accessory of fire hose |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210085819.3A Active CN102966817B (en) | 2011-08-30 | 2012-03-23 | The combination accessory of fire hose |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5864164B2 (en) |
| KR (1) | KR101678713B1 (en) |
| CN (2) | CN102966817B (en) |
| HK (1) | HK1182435A1 (en) |
| TW (1) | TWI554308B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253336A (en) * | 2016-12-31 | 2019-01-22 | 王驰 | A kind of quick joint for metal pipes |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6384917B2 (en) * | 2014-10-08 | 2018-09-05 | 学校法人立命館 | Fire extinguishing nozzle |
| JP2016083191A (en) * | 2014-10-27 | 2016-05-19 | 学校法人立命館 | Community fire hydrant added with auxiliary fire extinction function |
| JP5977403B2 (en) * | 2015-07-29 | 2016-08-24 | 株式会社モリタホールディングス | Fire hose coupling fittings |
| CN105156800A (en) * | 2015-08-06 | 2015-12-16 | 刘磊 | Fast inserting type disengaging-preventing and binding-free hose coupling |
| CN106939951A (en) * | 2017-04-11 | 2017-07-11 | 公安部四川消防研究所 | A kind of connector fixing device and fastening method |
| CN107387903A (en) * | 2017-08-22 | 2017-11-24 | 周荣建 | A kind of fire extinguisher canvas hose joint |
| CN108273219A (en) * | 2017-12-13 | 2018-07-13 | 泉州旭瑞商务有限公司 | A kind of elastic fire hose |
| JP2020143724A (en) * | 2019-03-06 | 2020-09-10 | 株式会社山田製作所 | Metal insert fitting of insertion type connection joint, and insertion type connection joint |
| JP7226850B2 (en) * | 2019-04-04 | 2023-02-21 | フィフティスクエア株式会社 | Headphone cover and its fasteners |
| JP7376099B2 (en) * | 2020-06-04 | 2023-11-08 | 株式会社山田製作所 | Plug-in joint fittings and plug-in joints |
| CN113018744B (en) * | 2020-06-04 | 2022-08-12 | 安耐特消防装备有限公司 | Fire-fighting equipment collecting box and using method thereof |
| CN116734066B (en) * | 2023-08-15 | 2023-12-19 | 南通海王消防水带有限公司 | Fire control connects |
| CN117146084B (en) * | 2023-10-30 | 2024-02-20 | 泉州市山河消防技术有限公司 | Reducing type water hose connector |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20130024714A (en) | 2013-03-08 |
| TW201309361A (en) | 2013-03-01 |
| JP5864164B2 (en) | 2016-02-17 |
| CN102966817B (en) | 2016-09-28 |
| JP2013050143A (en) | 2013-03-14 |
| HK1182435A1 (en) | 2013-11-29 |
| TWI554308B (en) | 2016-10-21 |
| CN106195489B (en) | 2019-03-26 |
| KR101678713B1 (en) | 2016-11-22 |
| CN102966817A (en) | 2013-03-13 |
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