CN207640867U - A kind of improved light fire fighting fastener - Google Patents
A kind of improved light fire fighting fastener Download PDFInfo
- Publication number
- CN207640867U CN207640867U CN201721443437.8U CN201721443437U CN207640867U CN 207640867 U CN207640867 U CN 207640867U CN 201721443437 U CN201721443437 U CN 201721443437U CN 207640867 U CN207640867 U CN 207640867U
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- CN
- China
- Prior art keywords
- assembly
- retainer ring
- department
- interconnecting piece
- fixture block
- 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.)
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model proposes a kind of improved light fire fighting fasteners,Including department of assembly and interconnecting piece,The department of assembly and interconnecting piece are that alloy plastic is made,End opening is equipped with first step and second step in the first passage,The first step is located on the inside of second step,The transverse part of the first step and second step is equipped with seal groove,Interconnecting piece inner end outer wall is equipped with the first retainer ring and the second retainer ring being adapted to first step and second step,The end face of first retainer ring and the second retainer ring is equipped with the sealing ring being adapted to seal groove,The outer wall of second retainer ring is equipped with fixture block,The second step vertical part is equipped with the card slot being adapted to fixture block,The second channel includes normal portion,Dilatation portion and contraction flow region,Dilatation portion inner cavity is more than normal portion,The contraction flow region inner cavity is less than normal portion,The utility model more light wear-resistant,Good seal performance,Assembly more rapid and convenient,And it can be very good enhancing hydraulic pressure.
Description
Technical field
The utility model is related to fire-fighting equipment, more particularly to a kind of improved light fire fighting fastener.
Background technology
Fire fighting fastener can increase the length of fire hose, can facilitate and be connected with fire-fighting lance assembly.It is most of at present
Fire fighting fastener can metallic article, it is not only heavy, and easily corrode and get rusty, while mostly using screw joining manner greatly, fill
With slow, sealing performance is bad, cannot keep the stabilization of hydraulic pressure well when in use.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of improved light fire fighting fastener, it is lighter
Just wear-resisting, good seal performance, assembly more rapid and convenient, and can be very good enhancing hydraulic pressure.
It is to reach above-mentioned purpose technical solution provided by the utility model：A kind of improved light fire fighting fastener, packet
Department of assembly and interconnecting piece are included, the department of assembly is equipped with first passage, and the interconnecting piece is equipped with second channel, the department of assembly and company
Socket part is that alloy plastic is made, and end opening is equipped with first step and second step, the first step in the first passage
On the inside of second step, the transverse part of the first step and second step is equipped with seal groove, interconnecting piece inner end outer wall
Equipped with the first retainer ring and the second retainer ring being adapted to first step and second step, the end face of first retainer ring and the second retainer ring
Equipped with the sealing ring being adapted to seal groove, the outer wall of second retainer ring is equipped with fixture block, and the second step vertical part is equipped with and card
The card slot of block adaptation, the card slot penetrate through department of assembly's outer wall, and the second channel includes normal portion, dilatation portion and contraction flow region, institute
It is identical as first passage to state normal portion inner cavity size, dilatation portion inner cavity is more than normal portion, and the contraction flow region inner cavity is less than just
Normal portion.
Further, the second retainer ring outer wall is equipped with mounting groove, the inside flange of the installation channel opening, the fixture block one
End is arranged in mounting groove, compression spring is equipped between the fixture block and mounting groove slot bottom, and the medial surface of the fixture block is arc
Face, end opening ecto-entad tilts in the first passage.
Further, the outer end face of the department of assembly and interconnecting piece is equipped with extensional pipeline, and the extensional pipeline outer wall is set
There are limiting slot, and the outer end face indent circle of the department of assembly and interconnecting piece, the indent circle to be located on the outside of extensional pipeline.
Compared with prior art, it has the advantages that：
Department of assembly described in the utility model and interconnecting piece are that alloy plastic is made, more light wear-resistant, are significantly reduced
The weight of fire-fighting equipment, use are more convenient；And dual Seal Design greatly improves the sealing performance of buckle, is not easy to ooze
Water gas leakage so that hydraulic pressure keeps more stablizing；Furthermore the department of assembly and interconnecting piece clamp more rapid and convenient, when greatling save
Between, can be to eliminate fire behavior to strive for the more time.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Specific implementation mode
As shown in Figure 1, a kind of improved light fire fighting fastener, including department of assembly 1 and interconnecting piece 2, the department of assembly 1 are equipped with
First passage 11, the interconnecting piece 2 are equipped with second channel 21, and the outer end face of the department of assembly 1 and interconnecting piece 2 is equipped with extension
Road 3,3 outer wall of the extensional pipeline are equipped with limiting slot 31, and the outer end face indent circle 32 of the department of assembly 1 and interconnecting piece 2, institute
It states indent circle 32 and is located at 3 outside of extensional pipeline, the extensional pipeline 3 facilitates the later stage to be assembled with fire hose, while the assembly
Portion 1 and interconnecting piece 2 are that alloy plastic is made, more light wear-resistant, the weight of fire-fighting equipment are significantly reduced, using more just
It is prompt.
End opening is equipped with first step 12 and second step 13 in the first passage 11, and the first step 12 is located at the
The transverse part of the inside of two step 13, the first step 12 and second step 13 is equipped with seal groove 14, outside 2 inner end of the interconnecting piece
Wall is equipped with the first retainer ring 22 and the second retainer ring 23 that are adapted to first step 12 and second step 13, first retainer ring 22 and the
The end face of two retainer rings 23 is equipped with the sealing ring 24 being adapted to seal groove 14, and dual Seal Design greatly improves the sealing of buckle
Performance is not easy gas leakage of seeping water so that hydraulic pressure keeps more stablizing.
The outer wall of second retainer ring 23 is equipped with fixture block 25, and 13 vertical part of the second step is equipped with the card being adapted to fixture block 25
Slot 15, the card slot 15 penetrate through 1 outer wall of department of assembly, and 23 outer wall of the second retainer ring is equipped with mounting groove 26, and the mounting groove 26 is opened
Mouth is arranged to in-flanges, 25 one end of the fixture block in mounting groove 26, and pressure is equipped between 26 slot bottom of the fixture block 25 and mounting groove
Spring 27, and the medial surface of the fixture block 25 is arcwall face, and end opening ecto-entad tilts in the first passage 11, the dress
More rapid and convenient is clamped with portion 1 and interconnecting piece 2, greatlys save the time, can be to eliminate fire behavior to strive for the more time；Furthermore institute
It includes normal portion 211, dilatation portion 212 and contraction flow region 213 to state second channel 21, and 211 inner cavity size of the normal portion is logical with first
Road 11 is identical, and 212 inner cavity of dilatation portion is more than normal portion 211, and 213 inner cavity of the contraction flow region is less than normal portion 211, and water is logical
Hydraulic pressure can be greatly enhanced when crossing second channel 21 so that later stage hydraulic giant can spray farther distance.
Finally it should be noted that：Above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although
The utility model is described in detail with reference to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (3)
1. a kind of improved light fire fighting fastener, including department of assembly and interconnecting piece, the department of assembly are equipped with first passage, the company
Socket part is equipped with second channel, it is characterised in that：The department of assembly and interconnecting piece are that alloy plastic is made, in the first passage
End opening is equipped with first step and second step, and the first step is located on the inside of second step, the first step and second
The transverse part of step is equipped with seal groove, and interconnecting piece inner end outer wall is equipped with the first card being adapted to first step and second step
The end face of circle and the second retainer ring, first retainer ring and the second retainer ring is equipped with the sealing ring being adapted to seal groove, second card
The outer wall of circle is equipped with fixture block, and the second step vertical part is equipped with the card slot being adapted to fixture block, and the card slot penetrates through department of assembly's outer wall,
The second channel includes normal portion, dilatation portion and contraction flow region, and the normal portion inner cavity size is identical as first passage, the expansion
Appearance portion inner cavity is more than normal portion, and the contraction flow region inner cavity is less than normal portion.
2. the improved light fire fighting fastener of one kind according to claim 1, it is characterised in that：The second retainer ring outer wall is set
There are mounting groove, the inside flange of the installation channel opening, described fixture block one end to be arranged in mounting groove, the fixture block and mounting groove slot
Compression spring is equipped between bottom, and the medial surface of the fixture block is arcwall face, end opening ecto-entad tilts in the first passage.
3. the improved light fire fighting fastener of one kind according to claim 1, it is characterised in that：The department of assembly and interconnecting piece
Outer end face be equipped with extensional pipeline, the extensional pipeline outer wall is equipped with limiting slot, and the department of assembly and interconnecting piece is outer
End face indent circle, the indent circle are located on the outside of extensional pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721443437.8U CN207640867U (en) | 2017-11-02 | 2017-11-02 | A kind of improved light fire fighting fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721443437.8U CN207640867U (en) | 2017-11-02 | 2017-11-02 | A kind of improved light fire fighting fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207640867U true CN207640867U (en) | 2018-07-24 |
Family
ID=62884490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721443437.8U Active CN207640867U (en) | 2017-11-02 | 2017-11-02 | A kind of improved light fire fighting fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207640867U (en) |
-
2017
- 2017-11-02 CN CN201721443437.8U patent/CN207640867U/en active Active
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