CN207769000U - A kind of fire hydrant box of the scalable Fire branch of built-in buckle-type - Google Patents

Abstract

The utility model proposes a kind of fire hydrant boxes of the built-in scalable Fire branch of buckle-type, including the first pipette tips, telescopic second pipette tips and the first fixing piece being relatively large in diameter；First pipette tips have first through hole, the first passage along injection direction and the first card slot in arc-shaped, first card slot is circumferentially arranged, and first card slot is connected with first passage, first card slot is less than the length of the first passage along the width of injection direction；Second pipette tips include the body part nested together with the first through hole and the cutting ferrule part together with the first card slot cutting ferrule, the cutting ferrule part is not more than width of first card slot along injection direction along the width of injection direction, pull the second pipette tips, it is moved along first passage cutting ferrule part, second pipette tips are drawn out, and when cutting ferrule part corresponds to the first card slot, rotate body part, cutting ferrule part is rotated around the first card slot, and pipette tips are elongated；Compared with prior art, safe.

Description

A kind of fire hydrant box of the scalable Fire branch of built-in buckle-type

Technical field

The utility model is related to field of fire fighting equipment, and in particular to a kind of fire hydrant of the scalable Fire branch of built-in buckle-type Case.

Background technology

Fire branch is a part for fire-fighting equipment, is often often used in fire-fighting, and Fire branch is as a kind of important fire extinguishing Tool has the characteristics that high, easy to operate, the sensitive performance of reliability is high, service life is long, is widely used in various inflammable easy Quick-fried place and its fire-prone protection zone.The big gun head of Fire branch decides that jet length and extinguishing effect, performance quality are straight Connecing influences the performance of Fire branch jet stream.

The big gun head of existing Fire branch is much shorter, and outlet diameter is fixed, when flow determines, even if changing inlet pressure, Range, emitted dose size can not effectively be adjusted by throwing away, and cannot meet the needs of various scene of fire；When fire is greater, fire-fighting people Member needs the operation that keeps fire away, and ensures safety, and existing Fire branch pipette tips do not have extensibility, and if being prolonged by fire hose It stretches, fire hose, which meets fire, to burn.

In consideration of it, inventor furthers investigate the above problem, there is this case generation then.

Utility model content

The purpose of this utility model is to provide a kind of length of extensible Fire branch pipette tips, improve extinguishing effect and safety The fire hydrant box of the scalable Fire branch of built-in buckle-type of property.

In order to achieve the above object, the utility model uses such technical solution：

A kind of fire hydrant box of the scalable Fire branch of built-in buckle-type, thes improvement is that：Including being connected with fire hose The first pipette tips, telescopic second pipette tips and the first fixing piece connect；First pipette tips have first through hole, along injection direction First passage and the first card slot in arc-shaped, the first through hole be set to the middle part of first pipette tips, and described One through-hole extends along injection direction, and first card slot is circumferentially arranged, and first card slot is connected with first passage, institute State the length that the first card slot is less than the first passage along the width of injection direction；The diameter of second pipette tips is less than described the The diameter of one pipette tips；Second pipette tips include the body part nested together with the first through hole and with described The cutting ferrule part of one card slot cutting ferrule together, the cutting ferrule part are sprayed along the width of injection direction no more than first card slot edge Penetrate the width in direction；First fixing piece is arranged along the axial direction of the first through hole, and the fixation side of first fixing piece To with injection direction on the contrary, first fixing piece includes larger first top and the first smaller insertion section；Described first Pipette tips have be inserted into for first insertion section first to be inserted into hole, and hole is inserted into the cutting ferrule part with corresponding to described first The first slot；First fixing piece and the first passage stagger setting.

Second pipette tips are provided with two or more, and each second pipette tips are nested together, and each described second The diameter of pipette tips is reduced successively along injection direction.

Each second pipette tips all have the second through-hole, the second channel along injection direction and the in arc-shaped second card Slot, second through-hole is set to the middle part of second pipette tips, and second through-hole extends along injection direction, and described second Card slot is circumferentially arranged, and second card slot is connected with second channel, and second card slot is small along the width of injection direction In the length of the second channel；Each body part is sheathed in corresponding second through-hole, each cutting ferrule portion Divide and is fastened in corresponding second card slot.

The diameter of each second through-hole is gradual change.

It is both provided with the second fixing piece between two adjacent second pipette tips, second fixing piece is axially disposed, And the fixed-direction of second fixing piece and injection direction on the contrary, second fixing piece include larger second top and compared with The second small insertion section；Each second pipette tips have be inserted into for second insertion section second to be inserted into hole, and described second is solid Determine part and the second channel stagger setting.

The leakage-proof ring of liquid-leakage preventing is provided between the second insertion hole and the second insertion section.

The leakage-proof ring of liquid-leakage preventing is provided between the first insertion hole and the first insertion section.

After adopting the above technical scheme, the fire hydrant box of the scalable Fire branch of built-in buckle-type of the utility model, pulls Its second pipette tips, cutting ferrule part are moved along first passage, and the second pipette tips are drawn out, when cutting ferrule part corresponds to the first card slot, Body part is rotated along the circular arc direction of the first card slot, cutting ferrule part is rotated around the first card slot, the second pipette tips axially position, and first Fixing piece sequentially passes through the first slot of the first insertion hole and cutting ferrule part, can the first pipette tips and the second pipette tips be fixed on one It rises, i.e. axial restraint, at this point, extending the length of Fire branch pipette tips；Conversely, the first fixing piece is extracted, recoverable second gun barrel, then The first fixing piece is inserted into leakage, that is, shortens the length of Fire branch pipette tips；Compared with prior art, simple in structure, operation side Just, highly practical, safe.

Description of the drawings

Fig. 1 is the schematic cross-sectional view of the Fire branch retracted state of the utility model；

Fig. 2 is the first schematic cross-sectional view of the Fire branch tensional state of the utility model；

Fig. 3 is the second schematic cross-sectional view of the Fire branch tensional state of the utility model；

Fig. 4 is the schematic cross-sectional view at Fig. 3 A；

Fig. 5 is the schematic cross-sectional view at Fig. 3 B.

In figure：

1- the first pipette tips 11- first through hole

12- first passages the first card slots of 13-

2- the second pipette tips 21- body parts

22- cutting ferrules the second through-holes of part 23-

24- second channels the second card slots of 25-

The first tops 3- the first fixing piece 31-

The first insertion sections 32-

The second tops 4- the second fixing piece 41-

The second insertion sections 42-.

Specific implementation mode

In order to which the technical solution of the utility model is explained further, it is described in detail below by specific embodiment.

A kind of fire hydrant box of the scalable Fire branch of built-in buckle-type of the utility model, including babinet, storage foam solution Storage tank, proportioner, Fire branch, fire hose mechanism, control conveying foam solution valve, pipeline and alarm, It thes improvement is that：Fire branch includes the first pipette tips 1 being connected with fire hose, the fixation of telescopic second pipette tips 2 and first Part 3；First pipette tips 1 have first through hole 11, the first passage 12 along injection direction and the first card slot 13 in arc-shaped, the One through-hole 11 is set to the middle part of the first pipette tips 1, and first through hole 11 extends along injection direction, and the first card slot 13 is circumferentially set It sets, and the first card slot 13 is connected with first passage 12, the first card slot 13 is less than first passage 12 along the width of injection direction Length；The diameter of second pipette tips 2 is less than the diameter of the first pipette tips 1；Second pipette tips 2 include being nested together with first through hole 11 Body part 21 and the cutting ferrule part 22 together with 13 cutting ferrule of the first card slot, width of the cutting ferrule part 22 along injection direction No more than the first card slot 13 along the width of injection direction；First fixing piece 3 is arranged along the axial direction of first through hole 11, and first fixes The fixed-direction of part 3 is with injection direction on the contrary, the first fixing piece 3 includes larger first top 31 and the first smaller insertion section 32；First pipette tips 1 have be inserted into for the first insertion section 32 first to be inserted into hole, and hole is inserted into cutting ferrule part 22 with corresponding to first The first slot；First fixing piece 3 and 12 stagger setting of first passage.After adopting the above technical scheme, the utility model is interior The fire hydrant box for setting the scalable Fire branch of buckle-type pulls its second pipette tips 2, cutting ferrule part 22 to be moved along first passage 12, the Two pipette tips 2 are drawn out, and when cutting ferrule part 22 corresponds to the first card slot 13, body part is rotated along the circular arc direction of the first card slot 13 Divide 21, cutting ferrule part 22 is rotated around the first card slot 13, and 2 axially position of the second pipette tips, the first fixing piece 3 sequentially passes through the first insertion First pipette tips 1 and the second pipette tips 2 can be fixed together, i.e. axial restraint by first slot in hole and cutting ferrule part 22, at this point, Extend the length of Fire branch pipette tips；Conversely, as shown in Figure 1, extracting the first fixing piece 3, recoverable second gun barrel 2 is inserted into the One fixing piece 3 shortens the length of Fire branch pipette tips with leakage.

Preferably, the second pipette tips 2 are provided with two or more, and each second pipette tips 2 are nested together, and each second pipette tips 2 diameter is reduced successively along injection direction.Multiple second pipette tips 2 are set, make the length of Fire branch pipette tips can be according to actual demand Constantly extended.

Preferably, each second pipette tips 2 all have the second through-hole 23, along the second channel 24 of injection direction and in arc-shaped The second card slot 25, the second through-hole 23 is set to the middle part of the second pipette tips 2, and the second through-hole 23 extends along injection direction, described Second card slot 25 is circumferentially arranged, and the second card slot 25 is connected with second channel 24, width of second card slot 25 along injection direction Length of the degree less than second channel 24；Each body part 21 is sheathed in corresponding second through-hole 23, and each cutting ferrule part 22 is blocked It is placed in corresponding second card slot 25.For two second pipette tips 2 of arbitrary neighborhood, the second pipette tips 2 for pulling diameter smaller, card The second channel 24 for covering diametrically larger the second pipette tips 2 of part 22 pulls, and is relatively large in diameter when its cutting ferrule part 22 corresponds to When the second card slot 25 of the second pipette tips 2, its body part 21, cutting ferrule part 22 are rotated along the circular arc direction of second card slot 25 The second card slot around the second pipette tips 2 being relatively large in diameter rotates, smaller 2 axial restraint of the second pipette tips of diameter, Fire branch pipette tips quilt Extend again, by multiple second pipette tips 2 of repeatedly load-unload, the length of Fire branch pipette tips can be continuously increased；Conversely, recoverable each Two pipette tips 2.

It is smooth in order to ensure to spray, it is preferable that the diameter of each second through-hole 23 is gradual change.

Preferably, it is both provided with the second fixing piece 4 between two the second adjacent pipette tips 2, the second fixing piece 4 is set in an axial direction Set, and the fixed-direction of the second fixing piece 4 and injection direction on the contrary, the second fixing piece 4 include larger second top 41 and compared with The second small insertion section 42；Each second pipette tips 2 have be inserted into for the second insertion section 42 second to be inserted into hole, the second fixing piece 4 with 24 stagger setting of second channel.For two second pipette tips 2 of arbitrary neighborhood, the body part 21 of the second smaller pipette tips 2 is rotated, I.e. its cutting ferrule part 22 is moved around the second card slot of the second larger pipette tips 2, when on the cutting ferrule part 22 of the second smaller pipette tips 2 Slot and the second larger pipette tips 2 second be inserted into hole it is corresponding when, be inserted into the second fixing piece 4 so that two second pipette tips 2 are solid It is scheduled on together.

Leakage in order to prevent, it is preferable that the leakage-proof ring of liquid-leakage preventing is provided between the second insertion hole and the second insertion section 42.

Leakage in order to prevent, it is preferable that the leakage-proof ring of liquid-leakage preventing is provided between the first insertion hole and the first insertion section 41.

The fire hydrant box of the scalable Fire branch of built-in buckle-type of the utility model, the concrete form of first through hole can basis Actual requirement is adjusted and designs；The concrete form of body part can be adjusted and design according to actual requirement；Cutting ferrule Partial concrete form can be adjusted and design according to actual requirement；The concrete form of first passage can be according to actual requirement It is adjusted and designs；The concrete form of first card slot can be adjusted and design according to actual requirement；Second through-hole it is specific Form can be adjusted and design according to actual requirement；The concrete form of second channel can be adjusted and set according to actual requirement Meter；The concrete form of second card slot can be adjusted and design according to actual requirement；The concrete form of first insertion section can basis Actual requirement is adjusted and designs；The concrete form in the first insertion hole can the concrete form of the first insertion section be adjusted and set Meter；The concrete form of first slot can the concrete form of the first insertion section be adjusted and design；The specific shape of second insertion section Formula can be adjusted and design according to actual requirement；Second be inserted into hole concrete form can the second insertion section concrete form carry out Adjustment and design.

The product form of the utility model is not limited to this case diagram and embodiment, anyone carries out it similar thinking Appropriate changes or modifications all should be regarded as the patent category for not departing from the utility model.

Claims (7)

1. a kind of fire hydrant box of the scalable Fire branch of built-in buckle-type, including babinet, the storage tank for storing foam solution, ratio are mixed Valve, pipeline and the alarm of clutch, Fire branch, fire hose mechanism, control conveying foam solution, it is characterised in that：It is described to disappear Anti- rifle includes the first pipette tips being connected with fire hose, telescopic second pipette tips and the first fixing piece；The first pipette tips tool There are first through hole, the first passage along injection direction and the first card slot in arc-shaped, the first through hole to be set to described The middle part of one pipette tips, and the first through hole extends along injection direction, first card slot is circumferentially arranged, and first card Slot is connected with first passage, and first card slot is less than the length of the first passage along the width of injection direction；Described The diameter of two pipette tips is less than the diameter of first pipette tips；Second pipette tips include being nested together with the first through hole Body part and the cutting ferrule part together with the first card slot cutting ferrule, width of the cutting ferrule part along injection direction No more than first card slot along the width of injection direction；First fixing piece is arranged along the axial direction of the first through hole, and The fixed-direction of first fixing piece is with injection direction on the contrary, first fixing piece includes larger first top and smaller The first insertion section；First pipette tips have be inserted into for first insertion section first to be inserted into hole, the cutting ferrule part tool There is the first slot for being inserted into hole corresponding to described first；First fixing piece and the first passage stagger setting.

2. a kind of fire hydrant box of the scalable Fire branch of built-in buckle-type according to claim 1, it is characterised in that：It is described Second pipette tips are provided with two or more, and each second pipette tips are nested together, and the diameter edge of each second pipette tips Injection direction is reduced successively.

3. a kind of fire hydrant box of the scalable Fire branch of built-in buckle-type according to claim 2, it is characterised in that：Each institute It states the second pipette tips and all has the second through-hole, the second channel along injection direction and the second card slot in arc-shaped, described second is logical Hole is set to the middle part of second pipette tips, and second through-hole extends along injection direction, and second card slot is circumferentially set It sets, and second card slot is connected with second channel, second card slot is less than described second along the width of injection direction and leads to The length in road；Each body part is sheathed in corresponding second through-hole, and each cutting ferrule part is fastened in accordingly Second card slot in.

4. a kind of fire hydrant box of the scalable Fire branch of built-in buckle-type according to claim 3, it is characterised in that：Each institute The diameter for stating the second through-hole is gradual change.

5. a kind of fire hydrant box of the scalable Fire branch of built-in buckle-type according to claim 4, it is characterised in that：Two-phase It is both provided with the second fixing piece between adjacent second pipette tips, second fixing piece is axially disposed, and described second is solid The fixed-direction of part is determined with injection direction on the contrary, second fixing piece includes larger second top and the smaller second insertion Portion；Each second pipette tips have be inserted into for second insertion section second to be inserted into hole, second fixing piece and described the Two channel stagger settings.

6. a kind of fire hydrant box of the scalable Fire branch of built-in buckle-type according to claim 5, it is characterised in that：It is described The leakage-proof ring of liquid-leakage preventing is provided between second insertion hole and the second insertion section.

7. a kind of fire hydrant box of the scalable Fire branch of built-in buckle-type according to claim 1, it is characterised in that：It is described The leakage-proof ring of liquid-leakage preventing is provided between first insertion hole and the first insertion section.