CN209511329U - A kind of novel Concentric Reducers - Google Patents
A kind of novel Concentric Reducers Download PDFInfo
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- CN209511329U CN209511329U CN201822165990.0U CN201822165990U CN209511329U CN 209511329 U CN209511329 U CN 209511329U CN 201822165990 U CN201822165990 U CN 201822165990U CN 209511329 U CN209511329 U CN 209511329U
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Abstract
The utility model belongs to technical field of pipeline connection, more particularly to a kind of novel Concentric Reducers, including sequentially connected small diameter tube, coupling tube and large-diameter pipe, internal screw thread is provided on the inner wall of the small diameter tube, the large-diameter pipe includes sequentially connected breeze way, seal section and positioning section, the breeze way is connect with coupling tube, a sealing ring is embedded in the seal section, the seal section is convex in the outer wall of breeze way and positioning section, a positioning tube is connected on the outer wall of seal section, a compression ring is threaded on the inner wall of positioning tube, one end of compression ring is connected to the seal section towards on the side outer wall of positioning section, the other end of compression ring is piercing in the positioning tube and is connected with a rotating ring.The utility model seals the first sealing ring preferably to the gap between large-diameter pipe and big pipeline, improves the sealing effect of Concentric Reducers, while Concentric Reducers being made to have good structural strength.
Description
Technical field
The utility model belongs to technical field of pipeline connection, in particular to a kind of novel Concentric Reducers.
Background technique
Reduced pipe is also known as concentric reducer, the connection of the pipeline for two kinds of different tube diameters, be typically divided into Concentric Reducers and
Eccentric reducer is mainly made of stainless steel material.Existing Concentric Reducers are referring to Fig. 1, including sequentially connected small diameter tube
1, coupling tube 2 and large-diameter pipe 3, internal screw thread 11 is provided on the inner wall of the small diameter tube 1, and the large-diameter pipe 3 includes being sequentially connected
Breeze way 31, seal section 32 and positioning section 33, the breeze way 31 connect with coupling tube 2, is embedded in the seal section 32
One the first sealing ring 34.
Above-mentioned Concentric Reducers during the installation process, need that Concentric Reducers are first sheathed on big pipe in 3 side of large-diameter pipe
At the port in road 5, so that the port of the big pipeline 5 is arranged in large-diameter pipe 3 and can slide axially along large-diameter pipe 3, first
Sealing ring 34 seals the gap of large-diameter pipe 3 and big pipeline 5；Then the port that small pipeline 4 is equipped with external screw thread 41 is aligned
Small diameter tube 1, is rotated further by Concentric Reducers, so that the internal screw thread 11 of small diameter tube 1 is threadedly coupled with the external screw thread 41 of small pipeline 4, this
When be inserted into the length of big pipeline 5 in large-diameter pipe 3 and shorten, but the port of the big pipeline 5 remains to preferably be plugged in large-diameter pipe 3
Breeze way 31 in, the connection of Concentric Reducers Yu big pipeline 5 and small pipeline 4 is realized with this.
In actual installation process, the first sealing ring 34 is usually in that line face abuts with the outer wall of big pipeline 5, in order to manage greatly
Road 5 is slid along the axis direction of large-diameter pipe 3.However, the contact area that the first sealing ring 34 is abutted with big 5 line face of pipeline
Limited, once the first sealing ring 34 is worn, the gap between big pipeline 5 and large-diameter pipe 3 is then easily leaked, so that together
The sealing effect of heart reduced pipe is poor.
Utility model content
The purpose of the utility model is to provide a kind of novel Concentric Reducers, pass through the adjusting to seal section axial length
So that sealing ring is fitted closely with big pipeline outer wall, to increase the sealing effect of Concentric Reducers.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of novel Concentric Reducers, including sequentially connected small diameter tube, coupling tube and large-diameter pipe, the small diameter tube it is interior
It is provided with internal screw thread on wall, the large-diameter pipe includes sequentially connected breeze way, seal section and positioning section, the breeze way and mistake
Pipe connection is crossed, the first sealing ring is embedded in the seal section, the seal section is in the outer wall of breeze way and positioning section in protrusion
Shape is connected with a positioning tube on the outer wall of seal section, a compression ring, one end of compression ring is threaded on the inner wall of positioning tube
The seal section is connected to towards on the side outer wall of positioning section, the other end of compression ring is piercing in the positioning tube and is connected with one
Rotating ring.
By using above-mentioned technical proposal, after Concentric Reducers are threadedly coupled with small pipeline, the port of big pipeline is arranged in
In breeze way, the first sealing ring is connected on the outer wall of big pipeline, is then rotated compression ring toward close to breeze way side, sealing
Section generates an axial pressing force to seal section, so that the axial length of seal section shortens, the first sealing ring is in honeybee section at this time
Extruding under in the inner wall side of breeze way and positioning section protrusion, and then facilitate the first sealing ring preferably to large-diameter pipe and big
Gap between pipeline is sealed, and the sealing effect of Concentric Reducers is improved；Wherein, positioning tube is set to seal section remote
Side from central shaft, in order to increase compression ring to the compression effect of seal section, and compression ring is threadedly connected to positioning tube
Inner wall on, can be between positioning tube and positioning section with this in the case where the radial dimension for guaranteeing Concentric Reducers is inconvenient
Cavity filled, increase the structural strength of Concentric Reducers.
The utility model is further arranged to: the compression ring is arranged in the outer of side in positioning tube and the positioning section
Wall fitting.
By using above-mentioned technical proposal, compression ring is bonded with the outer wall of positioning section, is compressing seal section with this compression ring
While can also generate a thrust to positioning section and so that the pressing force that compression ring gives large-diameter pipe is uniformly distributed increase pressure
Compression effect of the tight ring to seal section.
The utility model is further arranged to: the seal section is in V-shape in axial truncation surface.
By using above-mentioned technical proposal, in the seal section of V-shape when being compacted, the point with V word is truncation surface
Center can have a guiding role to the compression of seal section with this, improve seal section so that the both ends spacing of V word reduces
Compression efficiency.
The utility model is further arranged to: first sealing ring towards seal section central axis side be a cambered surface, and
Cambered surface is convex at the inner wall of breeze way and positioning section.
By using above-mentioned technical proposal, cambered surface can will be in the inner sidewall of the first sealing ring and positioning section and breeze way
Side wall is connected, while being reduced the stress on the first sealing ring and being concentrated, when reducing big pipeline with this and being arranged in large-diameter pipe
The abrasion of first sealing ring helps to improve big pipeline and wears efficiency in large-diameter pipe.
The utility model is further arranged to: circumferentially spaced on the inner wall of the seal section to be equipped with several limiting slots, institute
Stating protrusion on the first sealing ring has the limited block being clamped with limiting slot.
By using above-mentioned technical proposal, limited block is connected in limiting slot, can be subject to circumferential limit to the first sealing ring
Position increases the structural stability of the first sealing ring and seal section, so that the first sealing ring turns with the rotation of Concentric Reducers
It is dynamic, the abrasion between seal section and the first sealing ring is reduced, the sealing effect of the first sealing ring is increased.
The utility model is further arranged to: the limiting slot is opened in seal section in the side inner wall of connection seal section
On.
By using above-mentioned technical proposal, during wearing, the first sealing ring can be carried over big pipeline with big pipeline,
It is clipped between big pipeline and breeze way, so that the abrasion of the first sealing ring is larger, limiting slot is opened in the one of connection seal section
Side preferably can be subject to axial limiting to the first sealing ring, increase the structural stability of the first sealing ring.
The utility model is further arranged to: radical length of the positioning section close to breeze way side is less than it far from slow
Rush the radical length of section side.
It by using above-mentioned technical proposal, is gradually reduced from the caliber ecto-entad of positioning section, is convenient for this in large-diameter pipe
To being quickly plugged in large-diameter pipe, the joint efficiency of big pipeline and large-diameter pipe is improved, there is structure to be simple and convenient to operate spy
Point.
The utility model is further arranged to: the inside of the small diameter tube offers a mounting groove in the end of internal screw thread,
The second sealing ring is connected in mounting groove.
By using above-mentioned technical proposal, when small pipeline is threadedly connected in small diameter tube, the second sealing ring is clipped in small pipeline
Between small diameter tube, gap between the two is sealed with this, increases the sealing effect of Concentric Reducers.
In conclusion the advantageous effects of the utility model are as follows:
1. the utility model by small diameter tube, internal screw thread, breeze way, seal section, the first sealing ring of positioning section, positioning tube with
And the setting of compression ring, facilitate the first sealing ring and preferably the gap between large-diameter pipe and big pipeline is sealed, improves
The sealing effect of Concentric Reducers, while making Concentric Reducers that there is good structural strength；
2. the utility model passes through the setting of limiting slot and limited block, the installation for increasing the first sealing ring and seal section is steady
It is qualitative, reduce the abrasion of the first sealing ring, guarantees its excellent sealing effect.
Detailed description of the invention
Fig. 1 is the internal structure perspective view of the explosion of existing Concentric Reducers and big pipeline and small pipeline；
Fig. 2 is the structural schematic diagram of the Concentric Reducers of the utility model；
Fig. 3 is the Concentric Reducers of the utility model and the internal structure perspective view of the explosion of big pipeline and small pipeline；
Fig. 4 is the Concentric Reducers of the utility model and the schematic diagram of internal structure of big pipeline and small pipeline；
In figure, 1, small diameter tube；11, internal screw thread；12, mounting groove；13, the second sealing ring；2, coupling tube；3, large-diameter pipe；31,
Breeze way；32, seal section；321, limiting slot；33, positioning section；34, the first sealing ring；341, limited block；35, positioning tube；36,
Compression ring；37, rotating ring；4, small pipeline；41, external screw thread；5, big pipeline.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It is a kind of novel Concentric Reducers disclosed by the utility model, including sequentially connected small diameter tube 1, mistake referring to Fig. 2
Pipe 2 and large-diameter pipe 3 are crossed, and small diameter tube 1, coupling tube 2 and large-diameter pipe 3 are integrally machined molding.
Referring to Fig. 3, small diameter tube 1 and small pipeline 4 cooperate, and internal screw thread 11 are provided in inner tube wall, correspondingly, small pipeline
4 are provided on the outer wall at port and are engaged external screw thread 41 with internal screw thread 11, to realize that the screw thread of small diameter tube 1 and small pipeline 4 connects
It connects.In addition, small diameter tube 1 is made of in the lateral wall being equipped at internal screw thread 11 six faceted pebbles, so that small diameter tube 1 is at internal screw thread 11
In hexa-prism, in order to which the screw thread to Concentric Reducers turns.The inside of small diameter tube 1 is also provided in the end of internal screw thread 11
One cricoid mounting groove 12 is connected with the second sealing ring 13 in mounting groove 12.When small pipeline 4 is threadedly connected in small diameter tube 1
When, the second sealing ring 13 is clamped between small pipeline 4 and small diameter tube 1.
Large-diameter pipe 3 include the breeze way 31 being connect with coupling tube 2, the seal section 32 being connect with breeze way 31 and with sealing
The positioning section 33 of 32 connection of section, seal section 32 is convex in the outer wall of breeze way 31 and positioning section 33, in axial truncation
Face is in V-shape, and the tip of V word is located at side of the seal section 32 far from central shaft.
Seal section 32 is at the inside of V word and is connected with first sealing ring 34, and the first sealing ring 34 is towards seal section
The side of 32 central axises is a cambered surface, and the cambered surface is convex at the inner wall of breeze way 31 and positioning section 33, Jin Erbian
In the breeze way 31 that the port of big pipeline 5 can quickly be plugged in large-diameter pipe 3.Seal section 32 is in the side of connection seal section 32
The spherical limiting slot 321 of multiple semicircles is circumferentially uniformly provided on wall, there is protrusion on the first sealing ring 34 is clamped with limiting slot 321
Limited block 341, to increase the structural stability between the first sealing ring 34 and seal section 32.
Seal section 32 is connected with a cylindric positioning tube 35 on the outer wall of the side far from central shaft, and positions
Cylinder 35 and the outer wall interval of positioning section 33 are arranged.One is threaded on the inner wall of positioning tube 35 to abut with 33 outer wall of positioning section
Compression ring 36, one end of the compression ring 36 is connected to the junction close to seal section 32 and positioning section 33, while and seal section
32 and positioning tube 35 the setting of junction interval, the other end of compression ring 36 is piercing in positioning tube 35 and is connected with one in six ribs
Columnar rotating ring 37 by the rotation of rotating ring 37, and then realizes compression ring 36 along axis direction to the close of seal section 32
Envelope compresses.
In addition, radical length of the positioning section 33 close to 31 side of breeze way is less than its radial direction length far from 31 side of breeze way
Degree, is gradually reduced the caliber ecto-entad of positioning section 33 with this, facilitates the port energy quick insertion of big pipeline 5 in buffering
In section 31, that improves big pipeline 5 and large-diameter pipe 3 is plugged and fixed efficiency.
The implementation principle of the present embodiment are as follows:
Concentric Reducers during installation, in conjunction with Fig. 4, are first sheathed on big pipeline 5 in 3 side of large-diameter pipe by Concentric Reducers
At port, so that the port of the big pipeline 5 is arranged in large-diameter pipe 3 and can slide axially along large-diameter pipe 3, the first sealing ring
The gap of 34 pairs of large-diameter pipes 3 and big pipeline 5 is sealed；The port that small pipeline 4 is equipped with external screw thread 41 is then directed at small diameter tube
1, Concentric Reducers are rotated further by, so that the internal screw thread 11 of small diameter tube 1 is threadedly coupled with the external screw thread 41 of small pipeline 4, are protruded at this time
The length of big pipeline 5 in large-diameter pipe 3 shortens, but the port of the big pipeline 5 remains to the buffering for being preferably plugged in large-diameter pipe 3
In section 31, the connection of reduced pipe Yu big pipeline 5 and small pipeline 4 is realized with this.
After Concentric Reducers are threadedly coupled with small pipeline 4, the port of big pipeline 5 is arranged in breeze way 31, and first is close
Seal 34 is connected on the outer wall of big pipeline 5, is then rotated compression ring 36 toward close to 31 side of breeze way, seal section 32 is to close
It seals section 32 and generates an axial pressing force, so that the axial length of seal section 32 shortens, the first sealing ring 34 is in honeybee section at this time
Extruding under in the inner wall side of breeze way 31 and positioning section 33 protrusion, and then facilitate the first sealing ring 34 preferably to major diameter
Gap between pipe 3 and big pipeline 5 is sealed, and the sealing effect of Concentric Reducers is improved.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of novel Concentric Reducers, including sequentially connected small diameter tube (1), coupling tube (2) and large-diameter pipe (3), described small
It is provided on the inner wall of diameter pipe (1) internal screw thread (11), the large-diameter pipe (3) includes sequentially connected breeze way (31), seal section
(32) it is connect with positioning section (33), the breeze way (31) with coupling tube (2), is embedded with the first sealing in the seal section (32)
It encloses (34), which is characterized in that the seal section (32) is convex in the outer wall of breeze way (31) and positioning section (33), seal section
(32) it is connected with a positioning tube (35), is threaded on the inner wall of positioning tube (35) compression ring (36) on outer wall, compressed
One end of ring (36) is connected to the seal section (32) towards on the side outer wall of positioning section (33), the other end of compression ring (36)
It is piercing in the positioning tube (35) and is connected with a rotating ring (37).
2. a kind of novel Concentric Reducers according to claim 1, which is characterized in that the compression ring (36) is arranged in fixed
Side in position cylinder (35) is bonded with the outer wall of the positioning section (33).
3. a kind of novel Concentric Reducers according to claim 2, which is characterized in that the seal section (32) is in axial direction
Truncation surface is in V-shape.
4. a kind of novel Concentric Reducers according to claim 1, which is characterized in that the first sealing ring (34) direction
Seal section (32) central axis side is a cambered surface, and cambered surface is convex at the inner wall of breeze way (31) and positioning section (33).
5. a kind of novel Concentric Reducers according to claim 1 or 4, which is characterized in that the seal section (32) it is interior
Circumferentially spaced on wall to be equipped with several limiting slots (321), there is protrusion on first sealing ring (34) is clamped with limiting slot (321)
Limited block (341).
6. a kind of novel Concentric Reducers according to claim 5, which is characterized in that the limiting slot (321) is opened in
Seal section (32) is on the side inner wall of connection seal section (32).
7. a kind of novel Concentric Reducers according to claim 1, which is characterized in that the positioning section (33) is close to buffering
The radical length of section (31) side is less than its radical length far from breeze way (31) side.
8. a kind of novel Concentric Reducers according to claim 1, which is characterized in that the inside of the small diameter tube (1) exists
The end of internal screw thread (11) offers a mounting groove (12), is connected with the second sealing ring (13) in mounting groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165990.0U CN209511329U (en) | 2018-12-22 | 2018-12-22 | A kind of novel Concentric Reducers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165990.0U CN209511329U (en) | 2018-12-22 | 2018-12-22 | A kind of novel Concentric Reducers |
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| Publication Number | Publication Date |
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| CN209511329U true CN209511329U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822165990.0U Active CN209511329U (en) | 2018-12-22 | 2018-12-22 | A kind of novel Concentric Reducers |
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| CN (1) | CN209511329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043425A (en) * | 2019-12-25 | 2020-04-21 | 杭州曼京科技有限公司 | Fire-fighting dual-purpose pipe joint |
-
2018
- 2018-12-22 CN CN201822165990.0U patent/CN209511329U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043425A (en) * | 2019-12-25 | 2020-04-21 | 杭州曼京科技有限公司 | Fire-fighting dual-purpose pipe joint |
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