CN206669181U - A kind of efficient sealed fire coupling - Google Patents
A kind of efficient sealed fire coupling Download PDFInfo
- Publication number
- CN206669181U CN206669181U CN201720241425.0U CN201720241425U CN206669181U CN 206669181 U CN206669181 U CN 206669181U CN 201720241425 U CN201720241425 U CN 201720241425U CN 206669181 U CN206669181 U CN 206669181U
- Authority
- CN
- China
- Prior art keywords
- post portion
- annulus post
- annulus
- annular
- arm
- 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.)
- Expired - Fee Related
Links
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a kind of efficient sealed fire coupling, including first interface and second interface, first interface includes the first annulus post portion, the first annular projection, extension spring and L-shaped bar;Second interface includes the second annulus post portion, the 3rd annulus post portion, the second annular is raised and the 3rd annular is raised, the madial wall in the 3rd annulus post portion has and raised the first toroidal cavity engaged of the second annular, L-shaped bar includes the first arm and the second arm, first arm is connected with extension spring, and it is raised that the second arm abuts the 3rd annular;First annulus post portion has external screw thread, 3rd annulus post portion has the internal thread engaged with external screw thread, the end of first cylinder ring portion has the second toroidal cavity, and the end in the second annulus post portion is connected with the 4th annulus post portion, and the 4th annulus post portion inserts the second toroidal cavity.Fire coupling good airproof performance of the present utility model, steadiness are good.
Description
Technical field
It the utility model is related to fire-fighting domain, and in particular to a kind of efficient sealed fire coupling.
Background technology
With city high building it is more and more, fire-fighting is more and more important in city, in fire-fighting operation, fire hose
Critically important, the both ends of fire hose have fire-fighting joint, can connect fire-fighting lance, and can connect two fire hoses
Together, it is desirable to fire-fighting joint can fast quick-detach, and good airproof performance.Although existing fire coupling species is various,
Wish sealing and the more preferable fire coupling of steadiness.
Utility model content
Purpose of utility model:The defects of the utility model is intended to overcome prior art, there is provided a kind of efficient sealed fire-fighting connects
Mouthful.
Technical scheme:A kind of fire coupling, including first interface and second interface, the first interface include the first annulus
Post portion, the first annular projection for being fixed on the first annulus post portion side wall, one end and the raised fixed stretching bullet of the first annular
Spring and the L-shaped bar fixed with the extension spring other end;The second interface includes the second annulus post portion, the 3rd annulus post portion, consolidated
The the second annular projection for being scheduled on the second annulus post portion side wall and the 3rd annular for being fixed on the 3rd annulus post portion side wall are raised,
The madial wall in the 3rd annulus post portion has and raised the first toroidal cavity engaged of second annular, the L-shaped
Bar includes the first arm and the second arm, and first arm is connected with the extension spring, and it is convex that the second arm abuts the 3rd annular
Rise;The first annulus post portion has external screw thread, and the 3rd annulus post portion has the internal thread engaged with the external screw thread, institute
Stating the end of the first cylinder ring portion has the second toroidal cavity, and the end in the second annulus post portion is connected with the 4th annulus post
Portion, the 4th annulus post portion insert second toroidal cavity.
Further, the end in the 4th annulus post portion is fixed with Gask-O-Seal, and the Gask-O-Seal is located at institute
State between the second toroidal cavity and the 4th annulus post portion.
Further, the quantity of extension spring and the L-shaped bar is 4.
Further, the 3rd annular is raised has the 3rd toroidal cavity, and the second arm of the L-shaped bar, which has, to be supported
The positioning convex being connected in the 3rd toroidal cavity.
Further, the positioning convex is hemispherical.
Further, the wall thickness in the 4th annulus post portion is more than the half of the second annulus post portion wall thickness.
Beneficial effect:Fire coupling of the present utility model, connection, dismounting are quick, and good seal performance.
Brief description of the drawings
Fig. 1 is fire coupling schematic diagram.
Embodiment
1 first annulus post portion;2 second annulus post portions;3 the 3rd annulus post portions;3.1 first toroidal cavities;1.1 second circles
Annular groove;4L shape bars;5 extension springs;11 first annulars are raised;21 the 4th annulus post portions;22 Gask-O-Seals;23 second
Annular is raised;31 the 3rd annulars are raised;41 positioning convex.
A kind of fire coupling, including first interface and second interface, the first interface include the first annulus post portion 1, consolidated
It is scheduled on the first annular projection 11 of the side wall of the first annulus post portion 1, the extension spring 5 that one end is fixed with the first annular projection 11
With the L-shaped bar 4 fixed with the other end of extension spring 5;The second interface include the second annulus post portion 2, the 3rd annulus post portion 3,
The the second annular projection 23 for being fixed on the side wall of the second annulus post portion 2 and the 3rd annulus for being fixed on the side wall of the 3rd annulus post portion 3
Shape projection 31, the madial wall in the 3rd annulus post portion 3 have the first annular engaged with second annular projection 23
Groove 3.1, the L-shaped bar include the first arm and the second arm, and first arm is connected with the extension spring 5, and the second arm abuts
The 3rd annular projection 31;The first annulus post portion 1 has an external screw thread, the 3rd annulus post portion 3 have with it is described
The internal thread of external screw thread engagement, the end of the first cylinder ring portion 1 has the second toroidal cavity 1.1, second annulus
The end in post portion 2 is connected with the 4th annulus post portion 21, and the 4th annulus post portion 21 inserts second toroidal cavity 1.1.
The end in the 4th annulus post portion is fixed with Gask-O-Seal 22, and it is recessed that the Gask-O-Seal 22 is located at second annular
Between the annulus post portion 21 of groove 1.1 and the 4th.The extension spring 5 and the quantity of L-shaped bar 4 are 4.3rd annular is convex
Playing 31 has the 3rd toroidal cavity, and the second arm of the L-shaped bar has the positioning being connected in the 3rd toroidal cavity
Projection 41.The positioning convex 41 is hemispherical.The wall thickness in the 4th annulus post portion is more than the one of the second annulus post portion wall thickness
Half.
Fire coupling of the present utility model, by screwing the first annulus post portion and the 3rd annulus post portion, so as to ring packing
Pad and the second toroidal cavity push against, and so as to which the first annulus post portion connects with the second annulus post portion, and are hooked by multiple L-shaped bars
Firmly (positioning convex is located in the 3rd toroidal cavity) the 3rd annular is raised, so that first and second interface is more stable, it is close
Envelope property is more preferable.
Although the utility model is illustrated and described with regard to preferred embodiment, those skilled in the art should manage
Solution, without departing from claim limited range of the present utility model, the utility model can be carried out various change and
Modification.
Claims (6)
1. a kind of efficient sealed fire coupling, it is characterised in that including first interface and second interface, the first interface includes
First annulus post portion, the first annular projection for being fixed on the first annulus post portion side wall, one end and the first annular are raised fixed
Extension spring and with the extension spring other end fix L-shaped bar;The second interface includes the second annulus post portion, the 3rd annulus
Post portion, the second annular projection for being fixed on the second annulus post portion side wall and the 3rd annulus for being fixed on the 3rd annulus post portion side wall
Shape is raised, and the madial wall in the 3rd annulus post portion has the first toroidal cavity engaged with second annular projection,
The L-shaped bar includes the first arm and the second arm, and first arm is connected with the extension spring, and the second arm catches on the 3rd circle
Annular protrusion;The first annulus post portion has external screw thread, and the 3rd annulus post portion with the external screw thread with engaging
Screw thread, the end of the first cylinder ring portion have the second toroidal cavity, and the end in the second annulus post portion is connected with
Four annulus post portions, the 4th annulus post portion insert second toroidal cavity.
2. efficient sealed fire coupling according to claim 1, it is characterised in that the end in the 4th annulus post portion is consolidated
Surely there is Gask-O-Seal, the Gask-O-Seal is between second toroidal cavity and the 4th annulus post portion.
3. efficient sealed fire coupling according to claim 1, it is characterised in that the number of extension spring and the L-shaped bar
Amount is 4.
4. efficient sealed fire coupling according to claim 1, it is characterised in that the 3rd annular is raised to have the
Three toroidal cavities, the second arm of the L-shaped bar have the positioning convex in embedded 3rd toroidal cavity.
5. efficient sealed fire coupling according to claim 4, it is characterised in that the positioning convex is hemispherical.
6. efficient sealed fire coupling according to claim 1, it is characterised in that the wall thickness in the 4th annulus post portion is big
In the half of the second annulus post portion wall thickness.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720241425.0U CN206669181U (en) | 2017-03-13 | 2017-03-13 | A kind of efficient sealed fire coupling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720241425.0U CN206669181U (en) | 2017-03-13 | 2017-03-13 | A kind of efficient sealed fire coupling |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206669181U true CN206669181U (en) | 2017-11-24 |
Family
ID=60377373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720241425.0U Expired - Fee Related CN206669181U (en) | 2017-03-13 | 2017-03-13 | A kind of efficient sealed fire coupling |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206669181U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111396654A (en) * | 2020-03-16 | 2020-07-10 | 孙龙 | Natural gas conveying pipe joint |
-
2017
- 2017-03-13 CN CN201720241425.0U patent/CN206669181U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111396654A (en) * | 2020-03-16 | 2020-07-10 | 孙龙 | Natural gas conveying pipe joint |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206669181U (en) | A kind of efficient sealed fire coupling | |
CN103470886B (en) | The pipeline clamp connected system of single groove double card structure | |
CN204372183U (en) | Pipeline self closing stop valve | |
CN106122639A (en) | A kind of hose connection device | |
CN205669638U (en) | A kind of external screw thread snap joint | |
CN204713664U (en) | A kind of can be general bottle stopper | |
CN208075663U (en) | The Hermetical connecting structure of exchanger tubes and tubesheets | |
CN208011408U (en) | A kind of LED lamp tube being easily installed | |
CN207230000U (en) | A kind of jointing of PVC circular pipes | |
CN104989893B (en) | Self-locking anti-loosing takes off quick coupling device | |
CN204420377U (en) | A kind of pipeline joint structure of screw air compressor | |
CN204459564U (en) | A kind of gas kitchen pipe joint | |
CN209444932U (en) | A kind of New type corrugated pipe coupling component and connection structure | |
CN208651864U (en) | A kind of double containment assembling pipe joint | |
CN201575176U (en) | Manual parallel gate valve | |
CN207500672U (en) | A kind of refrigeration equipment leakproof damping tube | |
CN105333245A (en) | Sealing type pipeline connecting system | |
CN206338523U (en) | A kind of quick joint for metal pipes | |
CN203926949U (en) | A kind of one-way valve | |
CN205331698U (en) | Gas -supply pipe overflow connects | |
CN209430757U (en) | A kind of sealing element of bulb tube connector | |
CN204330233U (en) | Valve hermetic seal test joint assembly | |
CN205383365U (en) | High pressure pipe connections spare | |
CN204477296U (en) | A kind of combined labyrinth and carbon gland adhesive tape | |
CN208687130U (en) | A kind of PE pipe convenient for assembling |
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: 20171124 Termination date: 20190313 |