CN204704518U - A kind of single-direction and dual-direction circulates selectable pipe joint - Google Patents
A kind of single-direction and dual-direction circulates selectable pipe joint Download PDFInfo
- Publication number
- CN204704518U CN204704518U CN201520414806.5U CN201520414806U CN204704518U CN 204704518 U CN204704518 U CN 204704518U CN 201520414806 U CN201520414806 U CN 201520414806U CN 204704518 U CN204704518 U CN 204704518U
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- China
- Prior art keywords
- hole
- inner cylinder
- cylindrical piece
- interior cylindrical
- dual
- 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
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a kind of single-direction and dual-direction to circulate selectable pipe joint, it comprises outer sleeve, interior cylindrical piece, inner cylinder and restriction end cap; Be provided with through hole in outer sleeve, the two ends of through hole are provided with thread section; The external diameter of interior cylindrical piece is identical with through hole internal diameter, and the external diameter of inner cylinder is less than the internal diameter of through hole; Interior cylindrical piece is connected with outer sleeve one, and inner cylinder end is connected with interior cylindrical piece one end one; Be provided with coaxial through hole in interior cylindrical piece and inner cylinder, through hole one end is provided with the limited ring be connected with its one; The sidewall of inner cylinder end is provided with circular hole; Restriction end cap is threaded with inner cylinder top, and this positive stop end covers to be provided with and is communicated with through hole and hole coaxial with it, and the internal diameter of hole is less than the internal diameter of through hole; The cylinder slide block matching with it and slide is provided with in through hole.The utility model controls by flow direction the connection or closed that cylinder slide block opening and closing circular hole realizes this joint, thus reaches the function of liquid one-way flow.
Description
Technical field
The utility model belongs to pipe coupling technical field, particularly relates to a kind of single-direction and dual-direction and to circulate selectable pipe joint.
Background technique
Pipe joint is the device for two pipelines or a pipe ends are linked together.General pipe joint only has the function of connection, can not the flow direction of liquid in restriction conduit.And one-way valve is also the one of pipe joint, it can control liquid in pipeline can only to a direction flowing, but also can only one-way flow, also just limits two-way circulation.
Model utility content
(1) technical problem that will solve
Before the technical problems to be solved in the utility model is to provide a kind of use, single-direction and dual-direction circulates selectable pipe joint.
(2) technological scheme
For solving the problems of the technologies described above, the utility model provides a kind of single-direction and dual-direction to circulate selectable pipe joint, and it comprises outer sleeve, interior cylindrical piece, inner cylinder and restriction end cap; Be provided with coaxial through hole in outer sleeve, the two ends of this through hole are provided with thread section; The external diameter of interior cylindrical piece is identical with through hole internal diameter, and the external diameter of inner cylinder is less than the internal diameter of through hole, and it is interior and coaxial with it that this interior cylindrical piece and inner cylinder are placed in through hole; Interior cylindrical piece is connected with outer sleeve one, and inner cylinder end is connected with interior cylindrical piece one end one; Be provided with coaxial through hole in interior cylindrical piece and inner cylinder, this through hole is provided with the limited ring be connected with its one near one end of interior cylindrical piece; The circular hole that the sidewall of inner cylinder end has been provided with through hole and through hole through; Restriction end cap is threaded with inner cylinder top, and this positive stop end covers to be provided with and is communicated with through hole and hole coaxial with it, and the internal diameter of this hole is less than the internal diameter of through hole; The cylinder slide block matching with it and slide is provided with in through hole.
Wherein, be provided with seal ring between limited ring and cylinder slide block, sealing circle is pasted on limited ring.
Wherein, limit between end cap and cylinder slide block and be provided with Returnning spring.
Wherein, circular hole place be provided with band torsion spring singly drive reset gate.
Wherein, circular hole has four, and within these four circular holes, cylindrical axis is that the rounded array in axle center is uniformly distributed.
Wherein, the thread section at through hole two ends is provided with sealer.
(3) beneficial effect
Compared with prior art, the utility model controls by flow direction the connection or closed that cylinder slide block opening and closing circular hole realizes this joint, thus reaches the function of liquid one-way flow; And the seal ring set up, substantially increase the sealing limiting reverse circulation; Wherein, the Returnning spring set up, can ensure this product no liquid by time all keep reverse circulation restriction state; And set up singly drive reset gate, liquid counter-current can not be passed through from hole, and then directly acts on cylinder slide block, thus block reverse circulation.
Accompanying drawing explanation
Fig. 1 is that the utility model single-direction and dual-direction circulates the structural representation of selectable pipe joint.
Fig. 2 is that a kind of single-direction and dual-direction of optimizing of the utility model circulates the structural representation of selectable pipe joint.
Fig. 3 be the utility model single-direction and dual-direction circulate selectable pipe joint circular hole distribution structural representation sectional view.
Description of reference numerals: 1, outer sleeve; 2, interior cylindrical piece; 3, inner cylinder; 4, end cap is limited; 5, cylinder slide block; 6, seal ring; 7, Returnning spring; 11, through hole; 21, through hole; 31, circular hole; 41, hole; 211, limited ring; 311, singly reset gate is driven.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
Fig. 1 is that the utility model single-direction and dual-direction circulates the structural representation of selectable pipe joint, embody this single-direction and dual-direction selectable pipe joint that circulates to be made up of outer sleeve 1, interior cylindrical piece 2, inner cylinder 3, restriction end cap 4 and cylinder slide block 5, and the structure of its inside and annexation; Fig. 2 is that a kind of single-direction and dual-direction of optimizing of the utility model circulates the structural representation of selectable pipe joint, mainly reflects Returnning spring 7 and singly drives reset gate 311; Fig. 3 be the utility model single-direction and dual-direction circulate selectable pipe joint circular hole distribution structural representation sectional view, emphasis embodies quantity and the distribution situation of circular hole 31.
The utility model single-direction and dual-direction circulate selectable pipe joint structure as shown in Figure 1, this single-direction and dual-direction circulate selectable pipe joint comprise outer sleeve 1, interior cylindrical piece 2, inner cylinder 3 and restriction end cap 4; Be provided with coaxial through hole 11 in outer sleeve 1, the two ends of this through hole 11 are provided with thread section; The external diameter of interior cylindrical piece 2 is identical with through hole 11 internal diameter, and the external diameter of inner cylinder 3 is less than the internal diameter of through hole 11, and it is interior and coaxial with it that this interior cylindrical piece 2 and inner cylinder 3 are placed in through hole 11; Interior cylindrical piece 2 is connected with outer sleeve 1 one, and inner cylinder 3 end is connected with interior cylindrical piece 2 one end one; Be provided with coaxial through hole 21 in interior cylindrical piece 2 and inner cylinder 3, this through hole 21 is provided with the limited ring 211 be connected with its one near one end of interior cylindrical piece 2; The circular hole 31 that the sidewall of inner cylinder 3 end has been provided with through hole 11 and through hole 21 through; Restriction end cap 4 is threaded with inner cylinder 3 top, and this spacing end cap 4 is provided with and is communicated with through hole 21 and hole 41 coaxial with it, and the internal diameter of this hole 41 is less than the internal diameter of through hole 21; The cylinder slide block 5 matching with it and slide is provided with in through hole 21.When the utility model needs to two-way circulate, restriction end cap can be turned on and take out cylinder slide block, thus use as common bidirectional joint.And when using as one-way valve, the utility model controls by flow direction the connection or closed that cylinder slide block opening and closing circular hole realizes this joint, thus reach the function of liquid one-way flow.
As shown in Figure 1, in the present embodiment, be provided with seal ring 6 between limited ring 211 and cylinder slide block 5, sealing circle 6 is pasted on limited ring 211.The seal ring that the utility model is set up, substantially increases the sealing limiting reverse circulation.
As shown in Figure 2, in the present embodiment, restriction end cap 4 and cylinder slide block 5 between be provided with Returnning spring 7, can ensure this product no liquid by time all keep reverse circulation restriction state.
As shown in Figure 2, in the present embodiment, circular hole 31 place be provided with band torsion spring singly drive reset gate 311, liquid counter-current can not be passed through from hole, and then directly acts on cylinder slide block, thus block reverse circulation.
As shown in Figure 3, in the present embodiment, circular hole 31 has four, these four circular holes 31 with the axis of inner cylinder 3 for the rounded array in axle center is uniformly distributed.The utility model adopts said structure, adds the flow of liquid one-way flowing.
In the present embodiment, the thread section at through hole 11 two ends is provided with sealer, the sealing of pipeline junction can be ensured.
These are only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. single-direction and dual-direction circulates a selectable pipe joint, it is characterized in that: the described single-direction and dual-direction selectable pipe joint that circulates comprises outer sleeve (1), interior cylindrical piece (2), inner cylinder (3) and restriction end cap (4); Be provided with coaxial through hole (11) in described outer sleeve (1), the two ends of described through hole (11) are provided with thread section; The external diameter of described interior cylindrical piece (2) is identical with through hole (11) internal diameter, the external diameter of described inner cylinder (3) is less than the internal diameter of through hole (11), and it is interior and coaxial with it that this interior cylindrical piece (2) and inner cylinder (3) are placed in through hole (11); Interior cylindrical piece (2) is connected with outer sleeve (1) one, and inner cylinder (3) end is connected with interior cylindrical piece (2) one end one; Be provided with coaxial through hole (21) in interior cylindrical piece (2) and inner cylinder (3), described through hole (21) is provided with the limited ring (211) be connected with its one near one end of interior cylindrical piece (2); The circular hole (31) that the sidewall of inner cylinder (3) end has been provided with through hole (11) and through hole (21) through; Described restriction end cap (4) is threaded with inner cylinder (3) top, this spacing end cap (4) is provided with and is communicated with through hole (21) and hole coaxial with it (41), and the internal diameter of described hole (41) is less than the internal diameter of through hole (21); The cylinder slide block (5) matching with it and slide is provided with in through hole (21).
2. single-direction and dual-direction according to claim 1 circulates selectable pipe joint, it is characterized in that: be provided with seal ring (6) between described limited ring (211) and cylinder slide block (5), described seal ring (6) is pasted on limited ring (211).
3. single-direction and dual-direction according to claim 1 circulates selectable pipe joint, it is characterized in that: be provided with Returnning spring (7) between described restriction end cap (4) and cylinder slide block (5).
4. single-direction and dual-direction according to claim 1 circulates selectable pipe joint, it is characterized in that: what described circular hole (31) place was provided with band torsion spring singly drives reset gate (311).
5. single-direction and dual-direction according to claim 1 circulates selectable pipe joint, it is characterized in that: described circular hole (31) has four, these four circular holes (31) are that the rounded array in axle center is uniformly distributed with the axis of inner cylinder (3).
6. single-direction and dual-direction according to claim 1 circulates selectable pipe joint, it is characterized in that: the thread section at described through hole (11) two ends is provided with sealer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520414806.5U CN204704518U (en) | 2015-06-16 | 2015-06-16 | A kind of single-direction and dual-direction circulates selectable pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520414806.5U CN204704518U (en) | 2015-06-16 | 2015-06-16 | A kind of single-direction and dual-direction circulates selectable pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204704518U true CN204704518U (en) | 2015-10-14 |
Family
ID=54284137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520414806.5U Expired - Fee Related CN204704518U (en) | 2015-06-16 | 2015-06-16 | A kind of single-direction and dual-direction circulates selectable pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204704518U (en) |
-
2015
- 2015-06-16 CN CN201520414806.5U patent/CN204704518U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20160616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |