CN214839211U - Pipeline connecting structure - Google Patents
Pipeline connecting structure Download PDFInfo
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- CN214839211U CN214839211U CN202121058421.1U CN202121058421U CN214839211U CN 214839211 U CN214839211 U CN 214839211U CN 202121058421 U CN202121058421 U CN 202121058421U CN 214839211 U CN214839211 U CN 214839211U
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Abstract
The application relates to a pipeline connecting structure, which comprises a first connecting sleeve and a second connecting sleeve which are opened at the same two ends and are cylindrical, wherein a connecting piece is arranged at one end of the second connecting sleeve, and the first connecting sleeve and the second connecting sleeve are mutually communicated through the connecting piece; the first connecting sleeve is provided with a plurality of anti-falling parts at intervals along the circumferential direction relative to one end connected with the connecting piece, and each anti-falling part comprises a connecting part and an anti-falling part; an interval is formed between the anti-falling part and the first connecting sleeve through the connecting part, the outer side wall of the anti-falling part extends to the outer side of the connecting part, an anti-falling groove is formed among the end wall of the first connecting sleeve, which faces the anti-falling part, the outer side wall of the connecting part and the end wall of the first connecting sleeve, which faces the anti-falling part, and the opening of the anti-falling groove is communicated with the outer side of the first connecting sleeve; the anti-falling piece is provided with a locking groove which is communicated with the anti-falling groove and the inner side of the anti-falling piece; the second connecting sleeve is provided with a locking anti-falling component; the condition that pine takes off and rotate relatively appears between connecting piece and the plastics tubular product can be reduced to this application.
Description
Technical Field
The application relates to the technical field of plastic pipe connecting pieces, in particular to a pipeline connecting structure.
Background
Because the length restriction of plastics tubular product, need connect in order to increase whole length many plastics tubular product when needs use longer plastics tubular product, connect through the connecting piece between two adjacent plastics tubular product and seal.
At present, a connecting piece for connecting two plastic pipes is generally a master-slave piece, a slave piece and a master piece are separately connected with the pipes, and the pipes are connected through the connection of the slave piece and the master piece; the primary and secondary parts are generally connected with the corresponding plastic pipes in an integrated manner by injection molding: the primary and secondary parts are placed into a mold for manufacturing the plastic pipe, and the liquefied plastic pipe raw material is injected into the mold cavity, so that the primary and secondary parts and the plastic pipe are tightly attached and fully connected after the plastic pipe is molded, and the two pipes are high in sealing performance and convenient to detach.
However, after the primary and secondary parts and the plastic pipe are connected in the above mode, the plastic pipe and the primary and secondary parts are easily loosened after being used for a period of time, so that the primary and secondary parts are loosened or rotate around the axis relative to the plastic pipe, and certain defects exist.
SUMMERY OF THE UTILITY MODEL
In order to reduce the condition that pine takes off and relative rotation appears between connecting piece and the plastics tubular product, this application provides pipeline connection structure.
The utility model provides a pipeline connection structure adopts following technical scheme:
a pipeline connecting structure comprises a first connecting sleeve and a second connecting sleeve which are open at two ends and are cylindrical, wherein a connecting piece is arranged at one end of the second connecting sleeve, the connecting piece is connected with one end of the first connecting sleeve in a sealing mode, the two ends of the connecting piece are open and communicated, and the first connecting sleeve and the second connecting sleeve are communicated with each other through the connecting piece; the first connecting sleeve is provided with a plurality of anti-falling parts at intervals along the circumferential direction relative to one end connected with the connecting piece, and each anti-falling part comprises a connecting part and an anti-falling part; an interval is formed between the anti-falling part and the first connecting sleeve through the connecting part, the outer side wall of the anti-falling part extends to the outer side of the connecting part, an anti-falling groove is formed among the end wall of the first connecting sleeve, which is towards the anti-falling part, the outer side wall of the connecting part and the end wall of the first connecting sleeve, which is towards the anti-falling part, and the opening of the anti-falling groove is communicated with the outer side of the first connecting sleeve; the anti-falling piece is provided with a locking groove which is communicated with the anti-falling groove and the inner side of the anti-falling piece; and a locking anti-falling component is arranged on the second connecting sleeve.
Through adopting above-mentioned technical scheme, first adapter sleeve and second adapter sleeve pass through the connecting piece and connect, first adapter sleeve and tubular product integrated into one piece's in-process, liquid raw materials pours into the mould die cavity into and fills anticreep groove and locking groove, because there is the ladder locking the inslot with the lateral wall of first adapter sleeve, first adapter sleeve is difficult to produce relative movement along the axial with plastics tubular product after liquid raw materials pours into, first adapter sleeve is difficult to around the axis relative rotation after liquid raw materials enters into locking inslot, the anticreep has been played, prevent pivoted effect, the pine takes off and the relative pivoted condition appear between reduction use a period of time back connecting piece and the plastics tubular product.
Optionally, the locking groove is communicated with one end of the anti-release piece away from the first connecting sleeve.
Through adopting above-mentioned technical scheme, after the one end of first connecting sleeve was kept away from to locking groove intercommunication anticreep piece, liquid raw materials can enter into one side that the anticreep piece kept away from first connecting sleeve, forms the left-hand thread, has further improved along axial locking power between first connecting sleeve and the plastics tubular product.
Optionally, two adjacent side walls of the anti-release member, which are close to each other, and an end wall of the first connecting sleeve are provided with first rotation limiting grooves, and the first rotation limiting grooves are respectively communicated with the inner side and the outer side of the anti-release member.
Through adopting above-mentioned technical scheme, be full of first limit groove behind the mould die cavity of liquid raw materials pouring, raw materials solidification back and the both sides wall butt in first limit groove for the unable rotation for plastics tubular product of locking first connecting sleeve.
Optionally, a plurality of first anti-drop rings are axially sleeved on the outer circumferential side wall of the first connecting sleeve.
Through adopting above-mentioned technical scheme, the setting of first anticreep ring makes liquid raw materials enter into between two first anticreep rings when pouring, forms the locking, makes first connecting sleeve be difficult to produce the removal along the relative plastics tubular product of axial.
Optionally, a plurality of anti-falling holes are formed in one end of the first anti-falling ring along the circumferential direction.
Through adopting above-mentioned technical scheme, the setting up of anticreep hole makes the liquid raw materials intercommunication between each adjacent first anticreep ring, further plays along axial locking effect.
Optionally, the inner circumferential wall of the first anti-drop ring is in threaded fit with the outer circumferential wall of the first connecting sleeve.
Through adopting above-mentioned technical scheme, first anticreep ring can move on the outer wall of first connecting sleeve along the axial for the volume of the liquid raw materials between two adjacent first anticreep rings can change, makes the structural strength that can adjust the junction between first connecting sleeve and the plastics tubular product.
Optionally, the locking anti-falling assembly comprises rotation limiting blocks which are arranged at one end, far away from the second connecting sleeve, of the first connecting sleeve at intervals along the circumferential direction, two adjacent rotation limiting blocks are formed between the side wall, close to each other, of each rotation limiting block and the end wall of the second connecting sleeve, and the second rotation limiting grooves are respectively communicated with the inner side and the outer side of each rotation limiting block.
Through adopting above-mentioned technical scheme, the setting up of restricted rotation piece makes liquid raw materials enter into the second restricted rotation inslot, and the raw materials solidification back and the both sides wall butt in second restricted rotation groove for lock second adapter sleeve makes it can't rotate for plastics tubular product.
Optionally, a plurality of second anti-slip rings are sleeved on the outer circumferential side wall of the second connecting sleeve.
Through adopting above-mentioned technical scheme, the second anticreep ring plays and prevents that the relative plastics tubular product of second adapter sleeve from producing not hard up effect along the axial.
Optionally, the connecting piece includes a connecting threaded sleeve, an external thread is arranged on the outer circumferential wall of the connecting threaded sleeve, and an internal thread matched with the connecting threaded sleeve is arranged on the inner wall of the first connecting sleeve.
By adopting the technical scheme, the mode of connecting the threaded sleeve is convenient for connecting the two plastic pipes, and the operation is simple.
In summary, the present application includes at least one of the following beneficial technical effects:
first adapter sleeve and second adapter sleeve pass through the connecting piece to be connected, first adapter sleeve and tubular product integrated into one piece's in-process, liquid raw materials pours into the mould die cavity into and fills anticreep groove and locking groove, because there is the ladder locking the inslot with the lateral wall of first adapter sleeve, first adapter sleeve is difficult to produce relative movement along the axial with plastics tubular product after liquid raw materials pours into, first adapter sleeve is difficult to around the axis relative rotation after liquid raw materials enters into locking inslot, the anticreep has been played, prevent pivoted effect, the pine takes off and the relative pivoted condition appear between reduction use a period back connecting piece and the plastics tubular product.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic cross-sectional view of the present application and the plastic tubing as it is being formed;
FIG. 3 is an exploded schematic view of the present application;
fig. 4 is a schematic structural diagram of the second connecting sleeve of the present application.
Description of reference numerals: 1. a first connecting sleeve; 11. a first material blocking edge; 2. a second connecting sleeve; 21. a second material retaining edge; 3. a connecting member; 4. a first mold; 41. a first mold cavity; 5. a second mold; 51. a second mold cavity; 6. a drop-off prevention member; 61. a connecting portion; 62. an anti-drop part; 63. a first rotation limiting groove; 64. a drop-proof groove; 65. a locking groove; 7. a first anti-slip ring; 71. anti-drop holes; 8. a rotation limiting block; 81. a second rotation limiting groove; 9. and a second anti-slip ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses pipeline connection structure, refer to fig. 1, fig. 2, including first adapter sleeve 1 and second adapter sleeve 2, first adapter sleeve 1 and second adapter sleeve 2 are the tube-shape equally and both ends opening, and the one end of second adapter sleeve 2 is provided with connecting piece 3, and first adapter sleeve 1 and second adapter sleeve 2 pass through connecting piece 3 to be connected and make inside intercommunication each other, and both junctions sealing connection. The first connecting sleeve 1 and the second connecting sleeve 2 are integrally formed with the end part of the plastic pipe relative to the connected end, so that the two plastic pipes are connected and sealed.
Referring to fig. 2, the connection member 3 includes a connection screw sleeve, an external thread is provided on an outer circumferential wall of the connection screw sleeve, and an internal thread that is screw-engaged with the connection screw sleeve is provided on an inner wall of the second connection sleeve 2.
Referring to fig. 1 and 2, a first material blocking edge 11 is fixedly sleeved on the outer side wall of the end portion where the first connecting sleeve 1 is connected with the connecting piece 3, the end portion of the outer mold wall of the first mold 4 is arranged on the first material blocking edge 11, the inner mold wall of the first mold 4 is arranged at the position, far away from the end connected with the connecting piece 3, of the first connecting sleeve 1 and close to the inner side, a cavity of the first mold 4 is formed between the inner mold wall and the outer mold wall of the first mold 4, and liquid raw materials are poured into the cavity of the first mold 4. The outer side wall of the end part of the second connecting sleeve 2 provided with the connecting piece 3 is fixedly sleeved with a second material blocking edge 21, the end part of the outer mold wall of the second mold 5 is arranged on the second material blocking edge 21, the inner mold wall of the second mold 5 is arranged at the position, far away from the connecting piece 3, of the second connecting sleeve 2 and close to the inner side, a cavity of the second mold 5 is formed between the inner mold wall and the outer mold wall of the second mold 5, and liquid raw materials are poured into the cavity of the second mold 5.
Referring to fig. 3, in order to connect the first connecting sleeve 1 and the plastic pipe more firmly, the first connecting sleeve 1 is provided with a plurality of anti-dropping parts 6 and a plurality of first anti-dropping rings 7, and the anti-dropping parts 6 and the first anti-dropping rings 7 are both arranged in the cavity of the first mold 4.
Referring to fig. 2 and 3, the anti-dropping parts 6 are fixedly connected to one end of the first connecting sleeve 1 opposite to the end connected with the connecting part 3 at intervals along the circumferential direction, and the anti-dropping parts 6 are arranged in an arc shape around the axis of the first connecting sleeve 1. The side walls of two adjacent anti-falling parts 6 close to each other and the end wall of the first connecting sleeve 1 are provided with first rotation limiting grooves 63, the first rotation limiting grooves 63 are respectively communicated with the inner side and the outer side of the anti-falling parts 6, and after liquid raw materials are injected, preliminary locking around the axis is formed to prevent rotation. Anticreep piece 6 includes connecting portion 61 and anticreep portion 62, connecting portion 61 extends towards keeping away from 1 direction of first connecting sleeve along the axial, the both ends of connecting portion 61 respectively with first connecting sleeve 1 and anticreep portion 62 fixed connection, be formed with the interval between anticreep portion 62 and the first connecting sleeve 1 tip, and the lateral wall of anticreep portion 62 extends to the outside of connecting portion 61, make the end wall of the first connecting sleeve 1 of anticreep portion 62 orientation, be formed with anticreep groove 64 between the lateral wall of connecting portion 61 and the end wall of first connecting sleeve 1 orientation anticreep portion 62, the opening of anticreep groove 64 is the arc and communicates first mould 4 die cavities, make liquid raw materials flow into in anticreep groove 64 after pouring into the die cavities, play axial anticreep effect. The one end that anticreep piece 6 kept away from first connecting sleeve 1 is seted up and is linked together anticreep groove 64 and the inboard locking groove 65 of anticreep piece 6 simultaneously, plays the effect of further preventing to rotate around the axis after liquid raw materials are full of locking groove 65.
Referring to fig. 2 and 3, the first anti-slip rings 7 are axially and alternately sleeved on the outer circumferential side wall of the first connecting sleeve 1, and liquid raw materials are injected between the outer circumferential side wall of the first connecting sleeve 1 and the outer mold wall of the first mold 4 to fill the space between two adjacent first anti-slip rings 7, so that the first connecting sleeve 1 and the plastic pipe are difficult to move relatively in the axial direction after being molded. A plurality of anti-falling holes 71 are formed in one end of each first anti-falling ring 7 along the circumferential direction, so that raw materials filled between every two adjacent first anti-falling rings 7 are connected with each other, and the anti-falling performance is better. The inner circumferential wall of the first anti-slip ring 7 is in threaded fit with the outer circumferential wall of the first connecting sleeve 1, so that the distance between two adjacent first anti-slip rings 7 can be changed to adjust the thickness of the raw material filled between the adjacent first anti-slip rings 7.
Referring to fig. 2 and 4, in order to enable the second connecting sleeve 2 to be connected with the plastic pipe more firmly, a plurality of rotation limiting blocks 8 and a plurality of second anti-falling rings 9 are arranged on the second connecting sleeve 2, and the rotation limiting blocks 8 and the second anti-falling rings 9 are both located in a cavity of the second mold 5.
Referring to fig. 2 and 4, a plurality of rotation limiting blocks 8 are fixedly connected to one end of the second connecting sleeve 2 opposite to the end where the connecting piece 3 is arranged at intervals along the circumferential direction, the rotation limiting blocks 8 are arranged in an arc shape around the axis of the second connecting sleeve 2, a second rotation limiting groove 81 is formed between the side where two adjacent rotation limiting blocks 8 are close to each other and the end wall of the second connecting sleeve 2, and the second rotation limiting grooves 81 are respectively communicated with the inner side and the outer side of the rotation limiting blocks 8, so that the second rotation limiting grooves 81 play a role in limiting relative rotation. The plurality of second anti-slip rings 9 are fixedly sleeved on the outer circumferential side wall of the second connecting sleeve 2 at intervals along the axial direction, and liquid raw materials are injected between the outer circumferential side wall of the second connecting sleeve 2 and the outer mold wall of the second mold 5 and then fill the space between two adjacent second anti-slip rings 9, so that the second connecting sleeve 2 and the plastic pipe are difficult to move relatively along the axial direction after being molded.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A pipeline connecting structure comprises a first connecting sleeve (1) and a second connecting sleeve (2) which are open at two ends and are cylindrical, wherein a connecting piece (3) is arranged at one end of the second connecting sleeve (2), the connecting piece (3) is connected with one end of the first connecting sleeve (1) in a sealing mode, two ends of the connecting piece (3) are open and communicated, and the first connecting sleeve (1) and the second connecting sleeve (2) are communicated with each other through the connecting piece (3); the method is characterized in that: a plurality of anti-falling parts (6) are arranged at intervals along the circumferential direction at one end of the first connecting sleeve (1) connected with the connecting piece (3), and each anti-falling part (6) comprises a connecting part (61) and an anti-falling part (62); a space is formed between the anti-falling part (62) and the first connecting sleeve (1) through the connecting part (61), the outer side wall of the anti-falling part (62) extends to the outer side of the connecting part (61), an anti-falling groove (64) is formed among the end wall of the first connecting sleeve (1) towards which the anti-falling part (62) faces, the outer side wall of the connecting part (61) and the end wall of the first connecting sleeve (1) towards the anti-falling part (62), and the opening of the anti-falling groove (64) is communicated with the outer side of the first connecting sleeve (1); the anti-falling piece (6) is provided with a locking groove (65) which is communicated with the anti-falling groove (64) and the inner side of the anti-falling piece (6) at the same time; and the second connecting sleeve (2) is provided with a locking anti-falling component.
2. The pipe connecting structure according to claim 1, wherein: the locking groove (65) is communicated with one end, away from the first connecting sleeve (1), of the anti-release piece (6) at the same time.
3. The pipe connecting structure according to claim 1, wherein: two adjacent side walls of the anti-falling parts (6) close to each other and the end wall of the first connecting sleeve (1) are provided with first rotation limiting grooves (63), and the first rotation limiting grooves (63) are respectively communicated with the inner side and the outer side of the anti-falling parts (6).
4. The pipe connecting structure according to claim 1, wherein: a plurality of first anti-drop rings (7) are axially sleeved on the outer circumferential side wall of the first connecting sleeve (1).
5. The pipe connecting structure according to claim 4, wherein: one end of the first anti-drop ring (7) is provided with a plurality of anti-drop holes (71) along the circumferential direction.
6. The pipe connecting structure according to claim 4, wherein: the inner circumferential wall of the first anti-drop ring (7) is in threaded fit with the outer circumferential wall of the first connecting sleeve (1).
7. The pipe connecting structure according to claim 1, wherein: locking anticreep subassembly includes along circumference interval set up second adapter sleeve (2) keep away from with limit commentaries on classics piece (8) of the one end of first adapter sleeve (1), adjacent two limit commentaries on classics piece (8) are formed with second limit commentaries on classics groove (81) between the lateral wall that is close to each other and the end wall of second adapter sleeve (2), second limit commentaries on classics groove (81) communicate the inside and outside of limit commentaries on classics piece (8) respectively.
8. The pipe connecting structure according to claim 1, wherein: the outer circumferential side wall of the second connecting sleeve (2) is sleeved with a plurality of second anti-falling rings (9).
9. The pipe connecting structure according to claim 1, wherein: the connecting piece (3) comprises a connecting threaded sleeve, an external thread is arranged on the outer circumferential wall of the connecting threaded sleeve, and an internal thread matched with the connecting threaded sleeve in a threaded manner is arranged on the inner wall of the first connecting sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121058421.1U CN214839211U (en) | 2021-05-17 | 2021-05-17 | Pipeline connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121058421.1U CN214839211U (en) | 2021-05-17 | 2021-05-17 | Pipeline connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214839211U true CN214839211U (en) | 2021-11-23 |
Family
ID=78774772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121058421.1U Active CN214839211U (en) | 2021-05-17 | 2021-05-17 | Pipeline connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214839211U (en) |
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2021
- 2021-05-17 CN CN202121058421.1U patent/CN214839211U/en active Active
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