CN208764485U - A kind of anti-rotation fire-fighting Plastic Steel Pipe - Google Patents
A kind of anti-rotation fire-fighting Plastic Steel Pipe Download PDFInfo
- Publication number
- CN208764485U CN208764485U CN201821115163.4U CN201821115163U CN208764485U CN 208764485 U CN208764485 U CN 208764485U CN 201821115163 U CN201821115163 U CN 201821115163U CN 208764485 U CN208764485 U CN 208764485U
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- China
- Prior art keywords
- steel pipe
- flange
- plastic steel
- rotation
- annulus
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Abstract
The utility model relates to the technical fields of Plastic Steel Pipe, a kind of particularly anti-rotation fire-fighting Plastic Steel Pipe, Plastic Steel Pipe main body includes: steel pipe, outer modeling pipe and internal plastic tube, first flange is fixedly connected on one end of Plastic Steel Pipe main body, first flange is fixedly connected with the first annulus far from the side of Plastic Steel Pipe main body, the end surface symmetric of first annulus is set there are two claw, second flange is fixedly connected on the other end of Plastic Steel Pipe main body, second flange is fixedly connected with the second annulus far from the side of Plastic Steel Pipe main body, the end surface symmetric of second annulus set there are two with claw cooperation card slot, the outer wall of second annulus offers symmetrical two rotation slots, rotation slot is vertical with card slot and is connected to setting, circumferentially distributed rack gear and skewback are fixedly connected in rotation slot, the inner wall of claw is circumferentially distributed several latches with rack gear cooperation, solves the first method It produces relative rotation between blue and second flange and bolt is installed and generates offset, tilt bolt and the poor problem of fixed performance.
Description
Technical field
The utility model relates to the technical field of Plastic Steel Pipe, a kind of particularly anti-rotation fire-fighting Plastic Steel Pipe.
Background technique
Fire water-supply pipeline refers to for connecting the pipeline of fire-fighting equipment, equipment in terms of fire-fighting.It is long-term in fire water-supply pipe
Full of full water, with ensure fire-fighting equipment, equipment can timely moisturizing, in long-term use, pipeline gets rusty easily, and holds over time
Easily leakage can not give equipment, equipment water supply in time, be easy that there are security risks in this way, and such seal for pipe joints is poor,
Later period use and repair in it is very inconvenient.
Chinese patent CN201721130942.7 provides a kind of fire water-supply line plastic-steel tube connection better seal connection
Plastic-coated steel, it is not easy to leakage phenomenon occur, and facilitate later replacement and maintenance, the insulating layer of this line plastic-steel tube uses
Be rock wool material, can better heat-preserving anti-freezing, adapt in outdoor application.But screwing bolts come fix first flange with
When second flange, first flange and second flange can generate offset and bolt rotation direction tilted, thus first flange with
The fixed effect of second flange is poor, and first flange can be easy to produce loosening with second flange in long-time use process.
Utility model content
Technical problem to be solved by the utility model is: in order to solve to generate opposite turn between first flange and second flange
It is dynamic and bolt is installed and generates offset, tilt bolt and the poor problem of fixed performance, the utility model provide a kind of anti-rotation
Fire-fighting Plastic Steel Pipe when installation, in two card slots that two claws on the first annulus are extend on the second annulus and will extend to
Latch is sequentially clamped in rack gear to fix the first annulus and the second annulus and make first flange by card slot bottom by rotation claw
Corresponded to each other with the mounting hole in second flange, thus using when the fixed first flange of bolt and second flange between the two
Will not produce relative rotation, will not be produced relative rotation in this way due to first flange and second flange when bolt is installed and
Bolt is installed and generates offset, ensure that the connective stability between first flange and second flange, in disassembly, as long as by claw
To the promotion of skewback direction so that latch is detached from from rack gear, it is rotated further by claw and claw is entered in card slot from rotation slot, then
Claw is removed just from card slot.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of anti-rotation fire-fighting Plastic Steel Pipe, comprising:
Plastic Steel Pipe main body, the Plastic Steel Pipe main body include: steel pipe, the outer modeling pipe for being fixed on outer wall of steel pipe and are fixed on steel pipe
The internal plastic tube of inner wall,
First flange, the first flange are fixedly connected on one end of Plastic Steel Pipe main body, and the first flange is far from plastic-steel
The side of pipe main body is fixedly connected with the first annulus, and the end surface symmetric of first annulus is set there are two claw,
Second flange, the second flange are fixedly connected on the other end of Plastic Steel Pipe main body, and the second flange is far from modeling
The side of steel pipe main body is fixedly connected with the second annulus, and the end surface symmetric of second annulus sets that there are two the cards with claw cooperation
Slot, the outer wall of second annulus offer symmetrical two rotation slots, and the rotation slot is vertical with card slot and is connected to setting,
The first flange and second flange offer several mutual corresponding mounting holes respectively,
Circumferentially distributed rack gear and skewback are fixedly connected in the rotation slot, the inner wall of the claw is circumferentially distributed
There are several latches with rack gear cooperation.
Preferably, the rack gear and latch are helical teeth, the inclined direction of the rack gear and latch is that claw clamping is moved back
The direction of rotation slot out.
Specifically, the ratio between width of the width of the rack gear and skewback is 3:1-5:1.
Preferably, the claw is located at the skewed slot being equipped with close to the side of skewback convenient for sliding on skewback.
Preferably, the end face of first annulus offers mounting groove, it being capable of embedding sealing circle in the mounting groove.
Preferably, being equipped with steel wire floor between the outer modeling pipe and steel pipe, between internal plastic tube and steel pipe.
Specifically, the outer modeling pipe is Nian Jie with hot melt adhesive is passed through between steel pipe, between internal plastic tube and steel pipe.
Specifically, the internal plastic tube from steel pipe to successively include: carbon fiber layer far from steel pipe direction, it is glass layer, resistance to
Etching ground layer and anti-biotic material layer.
The beneficial effects of the utility model are:
The utility model provides a kind of anti-rotation fire-fighting Plastic Steel Pipe, and when installation, two claws on the first annulus are stretched
Enter into two card slots on the second annulus and extend to card slot bottom, by rotation claw by latch be sequentially clamped in rack gear come
It fixes the first annulus and with the second annulus first flange is corresponded to each other with the mounting hole in second flange, thus solid using bolt
It will not produce relative rotation between the two when determining first flange and second flange, it in this way will not be by when bolt is installed
Produce relative rotation in first flange and second flange and bolt be installed and generates offset, ensure that first flange and second flange it
Between connective stability, as long as claw is pushed to skewback direction so that latch is detached from from rack gear, be rotated further by card in disassembly
Pawl enters claw in card slot from rotation slot, then claw is removed just from card slot.
The utility model provides a kind of anti-rotation fire-fighting Plastic Steel Pipe, in order to further limit claw in rotation slot transfer
Dynamic, rack gear and latch are helical teeth, and the inclined direction of rack gear and latch is the direction that rotation slot is exited in claw clamping, when latch card
It connects when on rack gear, as latch can be connected on rack gear by claw rotation, and due to the design of helical teeth, in latch card
It connects and completes the separation between first flange and second flange in more difficult deviate from from rack gear after rack gear.
The utility model provides a kind of anti-rotation fire-fighting Plastic Steel Pipe, and claw, which is located to be equipped with close to the side of skewback, to be convenient for
The skewed slot slided on skewback, during claw is skidded off from rotation slot, directly by latch in the sliding friction of skewback surface
Latch can be worn, so that it is connected to stability maintenance on rack gear poor, is slided by skewed slot and skewback cooperation, convenient for claw from turning
Deviate from dynamic slot.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural schematic diagram of anti-rotation fire-fighting Plastic Steel Pipe of the utility model;
Fig. 2 is the partial enlarged view schematic diagram of part A in Fig. 1;
Fig. 3 is the partial enlarged view schematic diagram of part B in Fig. 1;
Fig. 4 is the structural schematic diagram of Plastic Steel Pipe main body;
In figure: 1. Plastic Steel Pipe main bodys, 11. steel pipes, 12. mould pipe, 13. internal plastic tubes, 131. carbon fiber layers, 132. glass fibers outside
Dimension layer, 133. corrosion resistant coating layers, 134. anti-biotic material layers, 14. first flanges, 141. first annulus, 142. claws, 143.
Latch, 144. skewed slots, 145. mounting grooves, 15. second flanges, 151. second annulus, 152. card slots, 153. rotation slots, 154. teeth
Item, 155. skewbacks, 16. steel wire floors, 2. mounting holes.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
The utility model provides a kind of anti-rotation fire-fighting Plastic Steel Pipe, comprising:
Plastic Steel Pipe main body 1, Plastic Steel Pipe main body 1 include: steel pipe 11, the outer modeling pipe 12 for being fixed on 11 outer wall of steel pipe and are fixed on
The internal plastic tube 13 of 11 inner wall of steel pipe,
First flange 14, first flange 14 are fixedly connected on one end of Plastic Steel Pipe main body 1, and first flange 14 is far from Plastic Steel Pipe
The side of main body 1 is fixedly connected with the first annulus 141, and the end surface symmetric of the first annulus 141 is set there are two claw 142,
Second flange 15, second flange 15 are fixedly connected on the other end of Plastic Steel Pipe main body 1, and second flange 15 is far from plastic-steel
The side of pipe main body 1 is fixedly connected with the second annulus 151, and the end surface symmetric of the second annulus 151 sets that there are two cooperate with claw 142
Card slot 152, the outer wall of the second annulus 151 offers symmetrical two rotation slots 153, rotation slot 153 it is vertical with card slot 152 and
Connection setting,
First flange 14 and second flange 15 offer several mutual corresponding mounting holes 2 respectively,
Circumferentially distributed rack gear 154 and skewback 155 are fixedly connected in rotation slot 153, the inner wall of claw 142 is circumferentially
Several latches 143 cooperated with rack gear 154 are distributed with.
When installation, two claws 142 on the first annulus 141 are extend into two card slots 152 on the second annulus 151
And 152 bottom of card slot is extended to, latch 143 is sequentially clamped in rack gear 154 by rotation claw 142 and fixes the first annulus
141 correspond to each other first flange 14 with the mounting hole 2 in second flange 15 with the second annulus 151, thus solid using bolt
Determine to produce relative rotation between the two when first flange 14 and second flange 15, in this way when bolt is installed not
Can be produced relative rotation due to first flange 14 and second flange 15 and bolt is installed and generates offset, ensure that first flange 14 with
Connective stability between second flange 15, in disassembly, as long as claw 142 is pushed to 155 direction of skewback so that latch 143
It is detached from from rack gear 154, is rotated further by claw 142 and claw 142 is entered in card slot 152 from rotation slot 153, then by claw
142 remove just from card slot 152.
In a specific embodiment, it is rotated to further limit claw 142 in rotation slot 153,154 He of rack gear
Latch 143 is helical teeth, and the inclined direction of rack gear 154 and latch 143 is that claw 142 is clamped the direction for exiting rotation slot 153, when
When latch 143 is connected on rack gear 154, as latch 143 can be connected on rack gear 154 by the rotation of claw 142, and by
In the design of helical teeth, more difficult deviate from from rack gear 154 after latch 143 is connected to rack gear 154 and complete first flange 14
With the separation between second flange 15.
Specifically, the ratio between width of the width of rack gear 154 and skewback 155 is 4:1, and skewback 155 is only as auxiliary latch 143
The tool deviate from from rack gear 154, the width that rack gear 154 occupies can obtain more greatly bigger clamping force, so that latch 143
It is not easy to be detached from from rotation slot 153 after having bigger area to be stuck in rotation slot 153.
In a specific embodiment, claw 142, which is located at, is equipped with close to the side of skewback 155 convenient on skewback 155
The skewed slot 144 of sliding, during claw 142 is skidded off from rotation slot 153, directly by latch 143 on 155 surface of skewback
Sliding friction can wear latch 143, so that it is connected to stability maintenance on rack gear 154 poor, pass through skewed slot 144 and skewback 155
Cooperation sliding, deviates from from rotation slot 153 convenient for claw 142.
In a specific embodiment, in order to guarantee the sealing performance between the first annulus 141 and the second annulus 151,
The end face of first annulus 141 offers mounting groove 145, being capable of embedding sealing circle in mounting groove 145.
In a specific embodiment, in order to improve the intensity of Plastic Steel Pipe main body 1, between outer modeling pipe 12 and steel pipe 11,
Steel wire floor 16 is equipped between internal plastic tube 13 and steel pipe 11.
Specifically, Nian Jie by hot melt adhesive between outer modeling pipe 12 and steel pipe 11, between internal plastic tube 13 and steel pipe 11, it can also
To be connected and fixed by other bonding agents, the utility model is without limitation.
Specifically, internal plastic tube 13 successively includes: carbon fiber layer 131, glass fibre from steel pipe 11 to separate 11 direction of steel pipe
Layer 132, corrosion resistant coating layer 133 and anti-biotic material layer 134, carbon fiber layer 131 and glass layer 132 help to improve plastic-steel
The durability of pipe main body 1 increases the service life of Plastic Steel Pipe main body 1.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (8)
1. a kind of anti-rotation fire-fighting Plastic Steel Pipe, comprising:
Plastic Steel Pipe main body (1), the Plastic Steel Pipe main body (1) include: steel pipe (11), the outer modeling pipe for being fixed on steel pipe (11) outer wall
(12) and it is fixed on the internal plastic tube (13) of steel pipe (11) inner wall,
First flange (14), the first flange (14) are fixedly connected on one end of Plastic Steel Pipe main body (1), the first flange
(14) side far from Plastic Steel Pipe main body (1) is fixedly connected with the first annulus (141), the end face pair of first annulus (141)
Title is set there are two claw (142),
Second flange (15), the second flange (15) are fixedly connected on the other end of Plastic Steel Pipe main body (1), the second flange
(15) side far from Plastic Steel Pipe main body (1) is fixedly connected with the second annulus (151), the end face pair of second annulus (151)
Claim to set there are two the card slot (152) with claw (142) cooperation, the outer wall of second annulus (151) offers symmetrical two
Rotation slot (153), the rotation slot (153) is vertical with card slot (152) and is connected to setting,
The first flange (14) and second flange (15) offer several mutual corresponding mounting holes (2) respectively,
It is characterized by: being fixedly connected with circumferentially distributed rack gear (154) and skewback (155), institute in the rotation slot (153)
State the circumferentially distributed latches (143) for having several and rack gear (154) cooperation of inner wall of claw (142).
2. a kind of anti-rotation fire-fighting Plastic Steel Pipe as described in claim 1, it is characterised in that: the rack gear (154) and latch
It (143) is helical teeth, the inclined direction of the rack gear (154) and latch (143) is that rotation slot is exited in claw (142) clamping
(153) direction.
3. a kind of anti-rotation fire-fighting Plastic Steel Pipe as described in claim 1, it is characterised in that: the width of the rack gear (154) with
The ratio between width of skewback (155) is 3:1-5:1.
4. a kind of anti-rotation fire-fighting Plastic Steel Pipe as described in claim 1, it is characterised in that: the claw (142) is located at close
The skewed slot (144) that the side of skewback (155) is equipped with convenient for sliding on skewback (155).
5. a kind of anti-rotation fire-fighting Plastic Steel Pipe as described in claim 1, it is characterised in that: the end of first annulus (141)
Face offers mounting groove (145), being capable of embedding sealing circle in the mounting groove (145).
6. a kind of anti-rotation fire-fighting Plastic Steel Pipe as described in claim 1, it is characterised in that: the outer modeling pipe (12) and steel pipe
(11) steel wire floor (16) are equipped between, between internal plastic tube (13) and steel pipe (11).
7. a kind of anti-rotation fire-fighting Plastic Steel Pipe as described in claim 1, it is characterised in that: the outer modeling pipe (12) and steel pipe
(11) between, it is Nian Jie by hot melt adhesive between internal plastic tube (13) and steel pipe (11).
8. a kind of anti-rotation fire-fighting Plastic Steel Pipe as described in claim 1, it is characterised in that: the internal plastic tube (13) is by steel pipe
It (11) successively include: carbon fiber layer (131), glass layer (132), corrosion resistant coating layer to separate steel pipe (11) direction
(133) and anti-biotic material layer (134).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821115163.4U CN208764485U (en) | 2018-07-15 | 2018-07-15 | A kind of anti-rotation fire-fighting Plastic Steel Pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821115163.4U CN208764485U (en) | 2018-07-15 | 2018-07-15 | A kind of anti-rotation fire-fighting Plastic Steel Pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208764485U true CN208764485U (en) | 2019-04-19 |
Family
ID=66129425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821115163.4U Expired - Fee Related CN208764485U (en) | 2018-07-15 | 2018-07-15 | A kind of anti-rotation fire-fighting Plastic Steel Pipe |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208764485U (en) |
-
2018
- 2018-07-15 CN CN201821115163.4U patent/CN208764485U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 Termination date: 20190715 |