CN208193451U - A kind of Matheson and Dresser joint - Google Patents
A kind of Matheson and Dresser joint Download PDFInfo
- Publication number
- CN208193451U CN208193451U CN201721827540.2U CN201721827540U CN208193451U CN 208193451 U CN208193451 U CN 208193451U CN 201721827540 U CN201721827540 U CN 201721827540U CN 208193451 U CN208193451 U CN 208193451U
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- Prior art keywords
- lug boss
- joint body
- matheson
- joint
- dresser
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Abstract
The utility model discloses a kind of Matheson and Dresser joints, joint body including tubulose, joint body is vertically arranged, the lug boss of coaxial annular is provided on its inner wall, piston is provided in joint body, piston includes discoidal closure part above the lug boss and axially across lug boss inside and extends to the bar portion below the lug boss, the outer diameter of closure part is greater than the internal diameter of lug boss and is less than the internal diameter of joint body, the outer diameter of bar portion is less than the internal diameter of lug boss, joint body is provided with the interconnecting piece for connecting with fire protection pipeline above lug boss, joint body is provided with for connecting the internal screw thread to jack up piston upwards by the crossover sub with the crossover sub on closed nozzle below lug boss.After increasing Matheson and Dresser joint between closed nozzle and fire protection pipeline, fire-fighting system original function is unaffected, meanwhile, during replacing damaged closed nozzle, security of system is protected, and reduces economic loss.
Description
Technical field
The utility model relates to fire-fighting system accessory technical fields, it particularly relates to a kind of Matheson and Dresser joint.
Background technique
The fire-fighting systems such as automatic water jetting, water mists are widely used at present, and (one kind is equipped with thoughts to closed nozzle
The spray head of warm frangible bulb or temperature-sensitive fusible alloy element.After spray head installation, firing-fighting medium is isolated from the outside, under Fire Conditions
After temperature-sensing element movement, firing-fighting medium side is released implementation fire extinguishing) it is common in such system.According to system function needs, wait close
Formula spray head and system pipe network installation and debugging are completed, and water must be full of under system standby state, in pipe network, and tie up by voltage-stabilizing system
Hold certain pressure.
At this point, if there is breakage and needs replacing in individual closed nozzle, after spray head removes, the water that is stored in pipe network can from
The opening of the connected fire protection pipeline of the closed nozzle is spouting, be easy to cause very big water damage.Just because of this, usual situation
Under, construction personnel can release pipe network internal water accumulation in advance, then replace spray head.
Although this way has evaded water damage, but there is a certain security risk, in the state of anhydrous in pipe network
If happening suddenly fire, fire-fighting system will be ineffective；Meanwhile as pipe network empties, great lot of water resources is wasted, and causes certain
Economic loss.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For above-mentioned technical problem in the related technology, the utility model proposes a kind of Matheson and Dresser joint, setting is sprayed in enclosed
Between head and fire protection pipeline, when replace closed nozzle, can automatic plugging fire protection pipeline, flow the water of storage in pipe network can not
Out, at the same time, in the state of closed nozzle normal mounting, the realization of closed nozzle function is not influenced.
To realize the above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of Matheson and Dresser joint, the joint body including tubulose, the joint body are vertically arranged, be provided on inner wall with
The lug boss of its coaxial annular is provided with piston in the joint body, and the piston includes being located above the lug boss
Discoidal closure part and axially across inside the lug boss and extending to the bar portion below the lug boss, the closure
The outer diameter in portion is greater than the internal diameter of the lug boss and is less than the internal diameter of the joint body, and the outer diameter of the bar portion is less than described convex
The internal diameter in the portion of rising, the joint body are provided with the interconnecting piece for connecting with fire protection pipeline, institute above the lug boss
Joint body is stated to be provided with below the lug boss for being connect with the crossover sub on closed nozzle through the conversion
The internal screw thread that connector jacks up piston upwards.
Further, the closure part is provided with O-ring or rubber gasket on the face being in contact with the lug boss.
Further, stop collar corresponding with the closure part is provided in the joint body, the stop collar is located at
The top of the closure part.
Further, the upper and lower part of the crossover sub is provided with external screw thread, the top of the crossover sub and institute
Joint body threaded connection is stated, the lower part of the crossover sub is threadedly coupled with the closed nozzle.
The utility model has the beneficial effects that after increasing Matheson and Dresser joint between closed nozzle and fire protection pipeline, fire-fighting system
Original function is unaffected, meanwhile, during replacing damaged closed nozzle, security of system is protected, and can also reduce and set
Standby maintenance workload, reduces economic loss.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the Matheson and Dresser joint according to the utility model embodiment；
Fig. 2 is the schematic diagram of the Matheson and Dresser joint according to the utility model embodiment.
In figure:
1, stop collar；2, piston；3, joint body；4, crossover sub；5, closed nozzle；6, lug boss；7, closure part；8,
Bar portion.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
As shown in Figs. 1-2, a kind of Matheson and Dresser joint according to the utility model embodiment, the joint body including tubulose
3, the joint body 3 is vertically arranged, and is provided with the lug boss 6 of coaxial annular on inner wall, in the joint body 3
It is provided with piston 2, the piston 2 includes positioned at the discoidal closure part 7 of 6 top of lug boss and axially across described
6 inside of lug boss and the bar portion 8 for extending to 6 lower section of lug boss, the outer diameter of the closure part 7 are greater than the interior of the lug boss 6
Diameter and the internal diameter for being less than the joint body 3, the outer diameter of the bar portion 8 are less than the internal diameter of the lug boss 6, the joint body
3 are provided with the interconnecting piece for connecting with fire protection pipeline in the top of the lug boss 6, and the joint body 3 is in the protrusion
The lower section in portion 6 is provided with for being connect with the crossover sub 4 on closed nozzle 5 to be pushed up piston 2 upwards by the crossover sub 4
The internal screw thread risen.
In a specific embodiment of the utility model, the closure part 7 is on the face being in contact with the lug boss 6
It is provided with O-ring or rubber gasket.
In a specific embodiment of the utility model, it is provided in the joint body 3 opposite with the closure part 7
The stop collar 1 answered, the stop collar 1 are located at the top of the closure part 7.
In a specific embodiment of the utility model, the upper and lower part of the crossover sub 4 is provided with outer spiral shell
Line, the top of the crossover sub 4 are threadedly coupled with the joint body 3, and the lower part of the crossover sub 4 and the enclosed are sprayed
First 5 are threadedly coupled.
In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of specifically used mode to the utility model
Above-mentioned technical proposal be described in detail.
Matheson and Dresser joint described in the utility model mainly includes that the joint body 3 of a tubulose and one are mounted on connector
Inside ontology 3, moveable piston 2.When closed nozzle 5 is not connect with Matheson and Dresser joint, the closure part 7 on 2 top of piston with connect
Head ontology 3 inside lug boss 6 contact realize end face seal, prevent from revealing, for further reinforcing sealing effect can the two it
Between rubber gasket or O-ring is added.After closed nozzle 5 is connect with Matheson and Dresser joint, the closed nozzle 5 that is installed in place by piston to
Upper jack-up.Closure part 7 is separated with lug boss 6, and firing-fighting medium reaches closed nozzle by the gap between joint body 3 and piston 2
5。
The top of joint body 3 is connect with fire protection pipeline by argon arc welding, and lower part is connect by screw thread with closed nozzle 5
(since closed nozzle 5 is internal screw thread, the crossover sub of a double end male thread is increased between closed nozzle 5 and joint body 3
4).When closed nozzle 5 is installed in place, crossover sub 4 jacks up bar portion 8 upwards, thus jack up piston 2 upwards, closure part 7
And the O-ring for sealing is separated with the lug boss 6 in joint body 3, firing-fighting medium by joint body 3 and piston 2 it
Between gap reach closed nozzle 5.In order to limit the scope of activities of piston 2, stop collar 1 is added on Matheson and Dresser joint top.
When specifically used, the top of joint body 3 is connect with fire protection pipeline, lower part is connect with closed nozzle 5, works as enclosed
When spray head 5 and crossover sub 4 are not mounted on Matheson and Dresser joint, piston 2 is under the action of self gravity and pipeline hydraulic pressure, thereon
The lower surface of the closure part 7 of setting and the upper surface of the lug boss 6 inside joint body 3 are in close contact, and realize sealing, to strengthen
Sealing effect can increase rubber gasket or O-ring between, to ensure that closed nozzle 5 and crossover sub 4 are missed from anti-
After removing on head, the water stored in fire protection pipeline can not flow out, when closed nozzle 5 is installed to Matheson and Dresser joint by crossover sub 4
When upper, crossover sub 4 jacks up piston 2 upwards, and lug boss 6 is separated with closure part 7, and firing-fighting medium is by joint body 3 and lives
Channel between plug 2 reaches closed nozzle 5, completes extinguishing action.
In conclusion being increased between closed nozzle and fire protection pipeline by means of the above-mentioned technical proposal of the utility model
After Matheson and Dresser joint, fire-fighting system original function is unaffected, meanwhile, during replacing damaged closed nozzle, security of system
It is protected, can also reduce equipment maintenance workload, reduce economic loss.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (4)
1. a kind of Matheson and Dresser joint, the joint body (3) including tubulose, which is characterized in that the joint body (3) is vertically arranged,
It is provided with the lug boss (6) of coaxial annular on its inner wall, is provided with piston (2), the work in the joint body (3)
Plug (2) includes being located at the discoidal closure part (7) above the lug boss (6) and axially across in the lug boss (6)
Portion simultaneously extends to the bar portion (8) below the lug boss (6), and the outer diameter of the closure part (7) is greater than the internal diameter of the lug boss (6)
And it is less than the internal diameter of the joint body (3), the outer diameter of the bar portion (8) is less than the internal diameter of the lug boss (6), the connector
Ontology (3) is provided with the interconnecting piece for connecting with fire protection pipeline, the joint body (3) above the lug boss (6)
It is provided with below the lug boss (6) for connecting with the crossover sub (4) on closed nozzle (5) to be connect by the conversion
The internal screw thread that head (4) jacks up piston (2) upwards.
2. Matheson and Dresser joint according to claim 1, which is characterized in that the closure part (7) with the lug boss (6) phase
O-ring or rubber gasket are provided on the face of contact.
3. Matheson and Dresser joint according to claim 1, which is characterized in that be provided with and the envelope in the joint body (3)
Stifled portion (7) corresponding stop collar (1), the stop collar (1) are located at the top of the closure part (7).
4. Matheson and Dresser joint according to claim 1, which is characterized in that the upper and lower part of the crossover sub (4) is all provided with
It is equipped with external screw thread, the top of the crossover sub (4) is threadedly coupled with the joint body (3), under the crossover sub (4)
Portion is threadedly coupled with the closed nozzle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827540.2U CN208193451U (en) | 2017-12-25 | 2017-12-25 | A kind of Matheson and Dresser joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827540.2U CN208193451U (en) | 2017-12-25 | 2017-12-25 | A kind of Matheson and Dresser joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208193451U true CN208193451U (en) | 2018-12-07 |
Family
ID=64490501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721827540.2U Active CN208193451U (en) | 2017-12-25 | 2017-12-25 | A kind of Matheson and Dresser joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208193451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107952197A (en) * | 2017-12-25 | 2018-04-24 | 上海联捷消防科技有限公司 | A kind of Matheson and Dresser joint |
-
2017
- 2017-12-25 CN CN201721827540.2U patent/CN208193451U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107952197A (en) * | 2017-12-25 | 2018-04-24 | 上海联捷消防科技有限公司 | A kind of Matheson and Dresser joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221019 Address after: 201306 building C, No. 888, Huanhu West 2nd Road, Lingang New Area, Pudong New Area, Shanghai Patentee after: Shanghai Lianjie Safety Technology Co.,Ltd. Address before: 200120 Room 224, Floor 2, Building 1, No. 1, Fute Middle Road, Pudong New Area Free Trade Pilot Zone, Shanghai Patentee before: SHANGHAI LEGION FIRE PROTECTION TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |