CN2765643Y - Joint structure of fire-extinguishing sprinkling soft pipe - Google Patents
Joint structure of fire-extinguishing sprinkling soft pipe Download PDFInfo
- Publication number
- CN2765643Y CN2765643Y CN 200420096245 CN200420096245U CN2765643Y CN 2765643 Y CN2765643 Y CN 2765643Y CN 200420096245 CN200420096245 CN 200420096245 CN 200420096245 U CN200420096245 U CN 200420096245U CN 2765643 Y CN2765643 Y CN 2765643Y
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- China
- Prior art keywords
- pipe
- sleeve
- ring
- connecting pipe
- straight
- 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 - Lifetime
Links
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000005495 investment casting Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Rigid Pipes And Flexible Pipes (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model provides a joint structure of a fire-extinguishing sprinkling soft pipe, which mainly comprises a connection pipe, a casing pipe and a straight pipe, wherein the outer peripheral surface of the connection pipe is provided with a long ring concave part. The outer end of the connection pipe is concavely provided with a ring groove; a sleeve pipe is nested in the long ring groove. External force is applied to the periphery of the sleeve pipe so that the sleeve pipe is fixed on the ring concave part of the connection pipe. One end of the straight pipe is sheathed into the ring groove of the connection pipe. External force is applied so as to make the end part of the straight pipe clamped into the ring groove and make the straight pipe fixedly connected with the outer end of the connection pipe. In addition, two pipe bodies of different pipe diameters are sheathed together. The pipe body of the outer side is directly pressed together by the external force; applying external force makes the pipe body of the outer side and the pipe body of the inner side fixed and combined mutually so that the pipe body of the joint is formed into the outer periphery of different external diameters. The connection ends of two pipe bodies of different pipe diameters can be connected simply without being welded.
Description
Technical Field
The present invention relates to a joint structure of a fire hose, and more particularly to a joint structure of a fire hose, which is formed by fitting two pipes of different diameters together and applying an external force to press the pipes together, so that the pipes outside and inside are fixed to each other, and the pipes connected to the joint have outer rings of different outer diameters, and is easy to manufacture without molding and cutting and grinding of individual sizes.
Background
A conventional fire hose joint is generally used in a fire pipeline system of a building structure by connecting a straight pipe 70 with a flexible hose 72, as shown in FIGS. 1 and 2, wherein a connecting tube 70 of the fire hose joint is assembled with a cross joint 75 of a light steel frame ceiling, a sprinkler head 74 is exposed from the ceiling, a fixing piece 73 is fixedly inserted into a T-shaped frame 76, and the fixing piece 73 abuts against a convex ring part 701 of the connecting tube 70 and is fixedly assembled on the ceiling to form a fire sprinkler pipeline, as shown in FIG. 2. The connecting cylinder 70 of the conventional fire hose joint is generally made by precision casting, and has a convex ring part 701 with a larger diameter integrally formed on the periphery thereof, the convex ring part 701 provides a fixing piece 73 to be fastened and locked on the light steel frame, and in addition, the upper end of the connecting cylinder 70 and the lower end of the straight pipe 71 are welded and combined, and the defects in manufacturing and using are as follows: the connecting cylinder 70 having the protruding ring part 701 is manufactured by precision casting, so the size of the connecting cylinder is fixed, connecting cylinders 70 with different sizes must be used for T-shaped frames with different heights and specifications, a manufacturing supplier must manufacture and stock connecting cylinders 70 with various sizes, which is not favorable for industrial mass production and has high manufacturing cost, and the capital burden is further increased due to the total quantity of the stock. The connection between the connecting cylinder 70 and the straight pipe 71 is welded, corrosion is generated at the welding position, and the leakage phenomenon is easily caused after long-term use. And (III) welding combination is time-consuming and requires skilled welding technicians, so that mass production is not facilitated, and the production cost is also increased.
Disclosure of Invention
The utility model discloses what solve is the above-mentioned produced technical problem of technique with precision casting and welded structure, provide a fire control watering hose nipple, it utilizes the body suit of two different pipe diameters to close, exerts the direct pressfitting of external force again, makes the body in the outside and the inboard body reciprocal anchorage combination, makes the body that connects have the outer loop week of different external diameters, and the preparation is easy, does not need the moulding and the cutting grinding of individual size, can improve the preparation efficiency, reduces holistic cost of manufacture.
The utility model is realized by the following technical proposal that the joint structure of the fire-fighting sprinkler hose provided by the utility model mainly comprises a pipe, a sleeve pipe and a straight pipe; the outer ring periphery of the connecting pipe is provided with a long ring concave part, the outer end of the connecting pipe is concavely provided with a ring groove, a sleeve is nested in the ring concave part, and external force is applied to the ring periphery of the sleeve to fix the sleeve in the ring concave part of the connecting pipe, so that the pipe body of the joint forms outer ring peripheries with different outer diameters; in addition, one end of the straight pipe is sleeved into the annular groove of the connecting pipe, and an external force is applied to clamp the end part of the straight pipe in the annular groove, so that the straight pipe is fixedly combined with the outer end of the connecting pipe and is simply connected with the connecting ends of the two pipe bodies.
The utility model discloses the technical efficiency who reaches makes the pipe body of two different pipe diameters registrate mutually, exerts the direct pressfitting body in the outside of external force again, makes the body in the outside and the inboard body reciprocal anchorage combination, makes the body that connects form the outer ring week of different external diameters, and the preparation is easy, does not need to set for the module of single specification, size individually, can establish the size, the specification of the outer ring week of pipe of cong by oneself as required, has the elasticity in the preparation, is fit for random volume production and makes, ensures the utilization nature of industry.
The utility model discloses owing to cup joint the body end of two different pipe diameters mutually, the tip of inboard body sets up the annular, and the application of force in the body tip in the outside can simply connect two bodies, need not to weld at the junction, and the cost of manufacture is low, can increase life.
In order to make the objects, features and functions of the present invention more apparent, a detailed description of the present invention will be given below with reference to the accompanying drawings.
Drawings
FIG. 1 is an exploded perspective view of a conventional fire hose coupling;
FIG. 2 is an assembled schematic cross-sectional view of a conventional fire hose coupling;
fig. 3 is a schematic perspective exploded view of an embodiment of the present invention;
fig. 4 is a schematic combined cross-sectional view of an embodiment of the present invention;
fig. 5 is an assembly diagram of a partial sleeve and a connection pipe according to an embodiment of the present invention;
fig. 6 is an assembled view of the sleeve of fig. 5 fixedly inserted into the connecting tube.
Description of the figure numbers:
1, connecting pipes; 11 an annular recess; 12, a ring groove; 121, a ring groove; 13 fixing sheets; 131 is perforated; 132 a screw hole; 133 a screw; 2, sleeving a sleeve; 3, straight pipe; 4 a flexible hose; 41 pipe joints; a 5T-shaped inner frame; 70 a sleeve; 70 a sleeve; 71 a straight pipe; 72 a flexible hose; 73 fixing pieces; 74 a sprinkler head; 75 a cross joint; a 76T-type framework.
Detailed Description
As shown in fig. 3 and 4, there are shown an exploded perspective view and a combined cross-sectional view of an embodiment of the present invention; the utility model relates to a fire-fighting sprinkler hose joint, which mainly comprises a connecting pipe 1, a sleeve 2 and a straight pipe 3; wherein,
the outer ring of the connecting pipe 1 is provided with a long ring concave part 11 on the same surface, and the outer end of the connecting pipe 1 is provided with at least one ring groove 12 in a concave way.
The inner diameter of the sleeve 2 is slightly larger than the outer diameter of the connection pipe 1, and the length of the sleeve 2 is approximately equal to the length of the annular recess 11 of the connection pipe 1.
The straight tube 3 is a hollow tube with an inner diameter slightly larger than the outer diameter of the inner connecting tube 1, and the outer end of the vacuum tube 3 is combined with a flexible hose 4.
When the two pipes are combined, the sleeve 2 is nested in the annular concave part 11 on the outer side of the connecting pipe 1, and annular pressing force is applied to the outer circumference of the sleeve 2 in a centripetal manner, as shown in fig. 5 and 6, the annular pressing force presses inwards to enable the sleeve 2 to be combined in an embedded manner and fixedly combined with the annular concave part 11 of the connecting pipe 1, so that the pipe body of the connecting pipe 1 of the fire-fighting sprinkler hose joint forms the outer circumference with different outer diameters.
Referring to fig. 3 and 4, a fixing plate 13 is assembled, the through hole 131 of the fixing plate 13 passes through the upper end of the connecting pipe 1, the end of the straight pipe 3 is inserted into the annular groove 12 of the connecting pipe 1, an annular external force is applied to the end of the straight pipe 3, the end of the straight pipe 3 is forced to be pressed and tightly connected to the annular groove 12 of the connecting pipe 1, and the straight pipe 3 is fixedly connected with the connecting pipe 1.
In the specific application of the present invention, a flexible hose 4 is combined with the other end of the straight pipe 3 and then connected to the pipeline (not shown) of the water pipe by a pipe joint 41; the screw holes 132 at the two ends of the fixing sheet 13 are inserted with screws 133, the lower ends of the screws 133 are embedded in the T-shaped framework 5, and the lower side surface of the fixing sheet 14 is fastened and abutted against the upper end part of the sleeve 2 by a lock nut, so as to form a fire-fighting sprinkler system by fixed combination.
To sum up, the utility model discloses a fire control watering hose nipple has novelty, practicality and industrial value really.
The present invention has been described in detail, and the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and modifications made according to the application scope of the present invention should be covered by the claims of the present invention.
Claims (3)
1. A joint structure of a fire-fighting sprinkler hose mainly comprises a connecting pipe, a sleeve and a straight pipe; it is characterized in that the preparation method is characterized in that,
the circumferential surface of the outer ring of the connecting pipe is provided with a ring concave part, and the outer end of the connecting pipe is concavely provided with at least one ring groove;
the inner diameter of the sleeve is larger than the outer diameter of the connecting pipe, and the sleeve is embedded and assembled in the annular concave part of the connecting pipe;
the straight pipe is a hollow pipe body, and the inner diameter of the straight pipe is larger than the outer diameter of the inner connecting pipe;
the sleeve is sleeved on the ring concave part of the connecting pipe, centripetal ring-shaped pressing force is applied to the outer ring periphery of the sleeve, the sleeve is embedded and fixedly combined on the ring concave part of the connecting pipe, the pipe body structure of the connecting pipe of the joint forms the outer ring periphery with different outer diameters, the end part of the straight pipe is sleeved in the ring groove of the connecting pipe, and a ring-shaped external force is applied to force the end part of the straight pipe to be pressed and tightly connected with the ring groove, so that the straight pipe is fixedly combined with the connecting pipe.
2. The joint structure of a fire hose according to claim 1, wherein the length of the sleeve is equal to the length of the annular recess of the connection pipe.
3. The joint structure of a fire hose according to claim 1, wherein a fixing piece is inserted and assembled between the straight tube and the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096245 CN2765643Y (en) | 2004-09-30 | 2004-09-30 | Joint structure of fire-extinguishing sprinkling soft pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096245 CN2765643Y (en) | 2004-09-30 | 2004-09-30 | Joint structure of fire-extinguishing sprinkling soft pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2765643Y true CN2765643Y (en) | 2006-03-22 |
Family
ID=36606303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420096245 Expired - Lifetime CN2765643Y (en) | 2004-09-30 | 2004-09-30 | Joint structure of fire-extinguishing sprinkling soft pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2765643Y (en) |
-
2004
- 2004-09-30 CN CN 200420096245 patent/CN2765643Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140930 Granted publication date: 20060322 |