CN108458174A - The pipe fitting joint structure that disconnected pipe easily screws out - Google Patents
The pipe fitting joint structure that disconnected pipe easily screws out Download PDFInfo
- Publication number
- CN108458174A CN108458174A CN201810415912.3A CN201810415912A CN108458174A CN 108458174 A CN108458174 A CN 108458174A CN 201810415912 A CN201810415912 A CN 201810415912A CN 108458174 A CN108458174 A CN 108458174A
- Authority
- CN
- China
- Prior art keywords
- tube body
- strip
- projected parts
- card slot
- madial wall
- 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.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 31
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
Abstract
The invention discloses the pipe fitting joint structure that easily screws out of disconnected pipe, belong to technical field of pipeline connection, including tube body, the end lateral wall of the tube body is equipped with external screw thread, the tip inside wall of the tube body is fixedly connected at least two strip projected parts, the strip projected parts are parallel with the axial direction of tube body, and strip projected parts are equally distributed on tube body madial wall circumference.The tube body madial wall of the present invention is provided with strip projected parts, after the pipe that breaks occurs, can provide impetus to back-out tool, facilitate and screw out disconnected pipe residual fraction, and then the riffled tube being attached thereto is avoided to be damaged to greatest extent, easy to operate, safe.
Description
Technical field
The invention belongs to technical field of pipeline connection, and in particular to a kind of pipe fitting joint structure that disconnected pipe easily screws out.
Background technology
Existing pipe fitting is substantially to be connected using helicitic texture, however tube wall is relatively thin at the screw thread of male element, is held
Easy fracture.Post-rift residual fraction is not easy to take out very much in another pipe.Existing mode be using expander from
It is tight that the madial wall of residual pipe will remain tube top, and then frictionally applies torque to residual pipe and screws out.However in order to reach
Enough frictional force can only just increase pressure when friction coefficient is certain, and pressure is excessive to be easily damaged riffled tube,
It is dangerous very high.
Invention content
In order to solve the above problem of the existing technology, present invention aims at provide a kind of pipe fitting that disconnected pipe easily screws out
Connection structure.
The technical solution adopted in the present invention is：
The end lateral wall of the pipe fitting joint structure that disconnected pipe easily screws out, including tube body, the tube body is equipped with external screw thread, described
The tip inside wall of tube body is fixedly connected at least two strip projected parts, and the strip projected parts are parallel with the axial direction of tube body, strip
Protrusion is equally distributed on tube body madial wall circumference.
Preferably, the wherein one side of the strip projected parts is equipped with reinforcing rib, and the madial wall of the reinforcing rib and tube body is solid
Fixed connection, the another side of strip projected parts are vertical with tube body madial wall.
Preferably, the cross section of the reinforcing rib is arc, and the outer surface of reinforcing rib is inscribed within the madial wall of tube body.
The end lateral wall of the pipe fitting joint structure that disconnected pipe easily screws out, including tube body, the tube body is equipped with external screw thread, described
The tip inside wall of tube body offers at least two strip card slots, and the strip card slot is parallel with the axial direction of tube body, strip card slot
It is equally distributed on tube body madial wall circumference.
Preferably, the cross section of the strip card slot wherein one side is arc, the another side of strip card slot and tube body
Madial wall is vertical.
The end lateral wall of the pipe fitting joint structure that disconnected pipe easily screws out, including tube body, the tube body is equipped with external screw thread, described
The tip inside wall of tube body is fixedly connected at least two strip projected parts, and the strip projected parts are parallel with the axial direction of tube body, strip
Protrusion is equally distributed on tube body madial wall circumference；The tip inside wall of the tube body offers strip card slot, the Strip-like clip
Slot is parallel with the axial direction of tube body；The wherein side of each strip projected parts is designed with a strip card slot, strip projected parts and Strip-like clip
Slot connects.
Preferably, the side that the strip projected parts connect with strip card slot is vertical with the madial wall of tube body, strip projected parts
Another side is equipped with reinforcing rib, and the reinforcing rib is fixedly connected with the madial wall of tube body；The strip card slot and strip projected parts phase
The side connect is vertical with the madial wall of tube body, and the cross section of strip card slot another side is arc.
Preferably, the cross section of the reinforcing rib is arc, and the outer surface of reinforcing rib is inscribed within the madial wall of tube body.
Beneficial effects of the present invention are：
The tube body madial wall of the present invention is provided with strip projected parts, after the pipe that breaks occurs, can provide impetus to back-out tool,
Facilitate and screw out disconnected pipe residual fraction, and then the riffled tube being attached thereto is avoided to be damaged to greatest extent.
The tube body madial wall of the present invention is provided with strip card slot, after the pipe that breaks occurs, can provide impetus to back-out tool,
Facilitate and screw out disconnected pipe residual fraction, and then the riffled tube being attached thereto is avoided to be damaged to greatest extent.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 2.
Fig. 4 is the B-B sectional views of Fig. 3.
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 3.
Fig. 6 is the C-C sectional views of Fig. 5.
Fig. 7 is the structural schematic diagram of the embodiment of the present invention 4.
Fig. 8 is the D-D sectional views of Fig. 7.
Fig. 9 is the structural schematic diagram of the embodiment of the present invention 5.
Figure 10 is the E-E sectional views of Fig. 9.
Figure 11 is the structural schematic diagram of the embodiment of the present invention 6.
Figure 12 is the F-F sectional views of Figure 11.
Figure 13 is the structural schematic diagram of the embodiment of the present invention 7.
Figure 14 is the G-G sectional views of Figure 13.
In figure：1- tube bodies；2- external screw threads；3- strip projected parts；4- strip card slots.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment does further explaination to the present invention.
Embodiment 1：
As illustrated in fig. 1 and 2, the pipe fitting joint structure that disconnected pipe provided in this embodiment easily screws out, including tube body 1, tube body 1
End lateral wall is equipped with external screw thread 2, and the tip inside wall of tube body 1 is fixedly connected with that there are two strip projected parts 3, strip projected parts 3 and pipes
The axial direction of body 1 is parallel, and two strip projected parts 3 are located at the opposite face of 1 madial wall of tube body.
Specifically, the height of strip projected parts 3 can be the one third of 1 pipe thickness of tube body to 2/3rds, specifically may be used
To be determined according to the diameter of tube body 1 and pipe thickness.The diameter of tube body 1 is bigger, and the height of strip projected parts 3 is higher；Tube body 1
Pipe thickness it is thicker, the height of strip projected parts 3 is shorter.The height of strip projected parts 3 is higher, more influences 1 internal flow of tube body
Transmission；The height of strip projected parts 3 is shorter, more bad when back-outing to put forth effort, therefore the height of strip projected parts 3 is in 1 pipe thickness of tube body
One third to being advisable between 2/3rds.
When pipe occurs to break for the tube body 1 in riffled tube, the residual fraction of tube body 1 is in riffled tube.It passes
The pipe fitting joint structure of system to remain pipe without impetus, and then is not easily taken out.The tip inside wall of tube body 1 of the present invention, which is fixed, to be connected
Strip projected parts 3 there are two connecing, and two strip projected parts 3 are symmetrical, and the residual fraction back-out after the pipe that breaks for tube body 1 provides
Impetus.As shown in Fig. 2, when specific implementation operation, it may be used that a word is cut or any width is equal with 1 internal diameter of tube body
Hardboard is inserted into as tool is back-outed in tube body 1, and both sides are stuck on two strip projected parts 3, and reverse rotation can manage residual
It screws out.Two strip projected parts 3 are symmetrical, must can effectively transmit torque.
Embodiment 2：
As shown in Figures 3 and 4, the pipe fitting joint structure that disconnected pipe provided in this embodiment easily screws out, including tube body 1, tube body 1
End lateral wall is equipped with external screw thread 2, and the tip inside wall of tube body 1 is fixedly connected with that there are two strip projected parts 3, strip projected parts 3 and pipes
The axial direction of body 1 is parallel, and two strip projected parts 3 are located at the opposite face of 1 madial wall of tube body, exists with the difference of embodiment 1
In：The wherein one side of strip projected parts 3 is equipped with reinforcing rib, and reinforcing rib is fixedly connected with the madial wall of tube body 1, strip projected parts 3
Another side is vertical with 1 madial wall of tube body.
Specifically, when external screw thread 2 is left hand thread, reinforcing rib is arranged in the side counterclockwise of strip projected parts 3；When outer spiral shell
When line 2 is right-handed thread, reinforcing rib is arranged in the side clockwise of strip projected parts 3；When twisting the residual fraction of tube body 1, back-out
The torque of tool is applied to one side of the strip projected parts 3 perpendicular to 1 madial wall of tube body, and reinforcing rib can effectively disperse pressure, keep away
Exempt from strip projected parts 3 to be destroyed.
In order to reduce the influence that reinforcing rib transmits fluid in tube body 1, as shown in figure 4, the cross section of reinforcing rib is arc,
The outer surface of reinforcing rib is inscribed within the madial wall of tube body 1 so that reinforcing rib is more streamlined, and resistance is small.
Embodiment 3：
As it can be seen in figures 5 and 6, the pipe fitting joint structure that disconnected pipe provided in this embodiment easily screws out, it is different from embodiment 2 it
Be in：The tip inside wall of tube body 1 is fixedly connected there are four strip projected parts 3, and four strip projected parts 3 are equally distributed on tube body 1
On madial wall circumference.Back-out tool other than a word may be used and be cut, can also be cut using cross.Four strip projected parts
3 compared with two strip projected parts 3, can more efficient transmission torque, it is more firm.
Embodiment 4：
As shown in FIG. 7 and 8, the pipe fitting joint structure that disconnected pipe provided in this embodiment easily screws out, including tube body 1, tube body 1
End lateral wall is equipped with external screw thread 2, and the tip inside wall of tube body 1 opens up that there are two strip card slot 4, strip card slot 4 and tube bodies 1
Axial parallel, two strip card slots 4 are located at the opposite face of 1 madial wall of tube body.
Specifically, the depth of strip card slot 4 can be the one third of 1 pipe thickness of tube body to half, specifically may be used
To be determined according to the diameter of tube body 1 and pipe thickness.The diameter of tube body 1 is bigger, and the depth of strip card slot 4 is deeper；Tube body 1
Pipe thickness it is thicker, the depth of strip card slot 4 is deeper.The depth of strip card slot 4 is deeper, more influences the intensity of tube body 1；Strip
The depth of card slot 4 is more shallow, more bad when back-outing to put forth effort, therefore the depth of strip card slot 4 is in the one third of 1 pipe thickness of tube body
It is advisable between half.
As shown in figure 8, specific implementation is broken, pipe is when back-outing operation, may be used that a word is cut or any width is equal to two
The hardboard of the slot bottom distance of strip card slot 4 is inserted into as tool is back-outed in tube body 1, and both sides are stuck in two strip card slots 4
On side wall, reverse rotation can screw out residual pipe.Two strip card slots 4 are symmetrical, must can effectively transmit torque.
Embodiment 5：
As shown in Figures 9 and 10, the pipe fitting joint structure that disconnected pipe provided in this embodiment easily screws out, the difference with embodiment 4
Place is：The cross section of the wherein one side of strip card slot 4 is arc, and another side and 1 madial wall of tube body of strip card slot 4 hang down
Directly.
Specifically, when external screw thread 2 is left hand thread, the side of arc is arranged in the side clockwise of strip card slot 4；When
When external screw thread 2 is right-handed thread, the side of arc is arranged in the side counterclockwise of strip card slot 4；In the residual fraction for twisting tube body 1
When, back-out the one side that the torque of tool is applied to strip card slot 4 perpendicular to 1 madial wall of tube body, the side of arc is conveniently back-outed
Tool is put into strip card slot 4, while reducing stress concentration, increases the intensity of tube body 1.
Embodiment 6：
As shown in FIG. 11 and 12, the pipe fitting joint structure that disconnected pipe provided in this embodiment easily screws out, the difference with embodiment 5
Place is：The tip inside wall of tube body 1 is set there are four strip card slot 4, and four strip card slots 4 are equally distributed on 1 inside of tube body
On wall circumference.Back-out tool other than a word may be used and be cut, can also be cut using cross.Four strip card slots 4 with
Two strip card slots 4 are compared, can more efficient transmission torque, it is more firm.
Embodiment 7：
As shown in Figs. 13 and 14, the pipe fitting joint structure that disconnected pipe provided in this embodiment easily screws out, including tube body 1, tube body 1
End lateral wall be equipped with external screw thread 2, the tip inside wall of tube body 1 is fixedly connected at least two strip projected parts 3, strip projected parts
3 is parallel with the axial direction of tube body 1, and strip projected parts 3 are equally distributed on 1 madial wall circumference of tube body；The tip inside wall of tube body 1 opens up
There are strip card slot 4, strip card slot 4 parallel with the axial direction of tube body 1；The wherein side of each strip projected parts 3 is designed with a strip
Card slot 4, strip projected parts 3 connect with strip card slot 4.Strip projected parts 3 and strip card slot 4 are set simultaneously, can not only reduce strip
The height of protrusion 3, can also reduce the depth of strip card slot 4, and can increase while significantly more efficient transmission torque
The intensity of tube body 1, moreover it is possible to reduce the influence to fluid in tube body 1 to the maximum extent, have outstanding advantageous effect.
In order to increase intensity and it is convenient for assembly back-out tool, the side and tube body that strip projected parts 3 connect with strip card slot 4
1 madial wall is vertical, and the another side of strip projected parts 3 is equipped with reinforcing rib, and reinforcing rib is fixedly connected with the madial wall of tube body 1；Item
The side that shape card slot 4 connects with strip projected parts 3 is vertical with the madial wall of tube body 1, and the cross section of 4 another side of strip card slot is arc
Shape.
In order to reduce the influence that reinforcing rib transmits fluid in tube body 1, as shown in figure 14, the cross section of reinforcing rib is arc
Shape, the outer surface of reinforcing rib are inscribed within the madial wall of tube body 1 so that reinforcing rib is more streamlined, and resistance is small.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are each under the inspiration of the present invention
The product of kind form.Above-mentioned specific implementation mode should not be understood the limitation of pairs of protection scope of the present invention, protection of the invention
Range should be subject to be defined in claims, and specification can be used for interpreting the claims.
Claims (8)
1. the end lateral wall of the pipe fitting joint structure that disconnected pipe easily screws out, including tube body (1), the tube body (1) is equipped with external screw thread
(2), it is characterised in that：The tip inside wall of the tube body (1) is fixedly connected at least two strip projected parts (3), the strip
Raised (3) are parallel with the axial direction of tube body (1), and strip projected parts (3) are equally distributed on tube body (1) madial wall circumference.
2. the pipe fitting joint structure that disconnected pipe according to claim 1 easily screws out, it is characterised in that：The strip projected parts (3)
Wherein one side be equipped with reinforcing rib, the reinforcing rib is fixedly connected with the madial wall of tube body (1), strip projected parts (3) it is another
Side is vertical with tube body (1) madial wall.
3. the pipe fitting joint structure that disconnected pipe according to claim 2 easily screws out, it is characterised in that：The reinforcing rib it is transversal
Face is arc, and the outer surface of reinforcing rib is inscribed within the madial wall of tube body (1).
4. the end lateral wall of the pipe fitting joint structure that disconnected pipe easily screws out, including tube body (1), the tube body (1) is equipped with external screw thread
(2), it is characterised in that：The tip inside wall of the tube body (1) offers at least two strip card slots (4), the strip card slot
(4) parallel with the axial direction of tube body (1), strip card slot (4) is equally distributed on tube body (1) madial wall circumference.
5. the pipe fitting joint structure that disconnected pipe according to claim 4 easily screws out, it is characterised in that：The strip card slot (4)
Wherein the cross section of one side is arc, and the another side of strip card slot (4) is vertical with tube body (1) madial wall.
6. the end lateral wall of the pipe fitting joint structure that disconnected pipe easily screws out, including tube body (1), the tube body (1) is equipped with external screw thread
(2), it is characterised in that：The tip inside wall of the tube body (1) is fixedly connected at least two strip projected parts (3), the strip
Raised (3) are parallel with the axial direction of tube body (1), and strip projected parts (3) are equally distributed on tube body (1) madial wall circumference；The tube body
(1) tip inside wall offers strip card slot (4), and the strip card slot (4) is parallel with the axial direction of tube body (1)；Each strip
The wherein side of raised (3) is designed with a strip card slot (4), and strip projected parts (3) connect with strip card slot (4).
7. the pipe fitting joint structure that disconnected pipe according to claim 6 easily screws out, it is characterised in that：The strip projected parts (3)
The side to connect with strip card slot (4) is vertical with the madial wall of tube body (1), and the another side of strip projected parts (3) is equipped with reinforcing rib,
The reinforcing rib is fixedly connected with the madial wall of tube body (1)；Side that the strip card slot (4) connects with strip projected parts (3) with
The madial wall of tube body (1) is vertical, and the cross section of strip card slot (4) another side is arc.
8. the pipe fitting joint structure that disconnected pipe according to claim 7 easily screws out, it is characterised in that：The reinforcing rib it is transversal
Face is arc, and the outer surface of reinforcing rib is inscribed within the madial wall of tube body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415912.3A CN108458174A (en) | 2018-05-03 | 2018-05-03 | The pipe fitting joint structure that disconnected pipe easily screws out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415912.3A CN108458174A (en) | 2018-05-03 | 2018-05-03 | The pipe fitting joint structure that disconnected pipe easily screws out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108458174A true CN108458174A (en) | 2018-08-28 |
Family
ID=63215162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810415912.3A Pending CN108458174A (en) | 2018-05-03 | 2018-05-03 | The pipe fitting joint structure that disconnected pipe easily screws out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108458174A (en) |
Citations (13)
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|---|---|---|---|---|
| US4688832A (en) * | 1984-08-13 | 1987-08-25 | Hydril Company | Well pipe joint |
| US20050077723A1 (en) * | 2003-10-14 | 2005-04-14 | Wai Lai Lin | Pipe fitting for liquid or steam |
| CN201041185Y (en) * | 2006-11-30 | 2008-03-26 | 浙江海力集团有限公司 | Five-edge roller anti-loosening anti-theft nut |
| CN202532051U (en) * | 2012-02-21 | 2012-11-14 | 何敏 | Outer wire joint with reinforcing ribs on inner wall and taking-out wrench |
| CN203804918U (en) * | 2014-04-29 | 2014-09-03 | 边财浪 | Device for taking broken threaded pipe |
| CN204328353U (en) * | 2014-11-11 | 2015-05-13 | 贵州黔南科技塑业有限公司 | A kind of heat insulation pipe joint structure |
| CN105757365A (en) * | 2014-12-14 | 2016-07-13 | 西安泽华建筑装饰工程有限责任公司 | Air pipe joint |
| CN105829740A (en) * | 2014-01-21 | 2016-08-03 | 哈利伯顿能源服务公司 | Locking nut with a directional coupling mechanism |
| TWM533713U (en) * | 2016-07-14 | 2016-12-11 | Me Fu Co Ltd | Connecting pipe |
| CN206830967U (en) * | 2017-05-26 | 2018-01-02 | 东莞好克五金塑料制品有限公司 | Blow-off outlet connecting tube |
| CN206904471U (en) * | 2017-06-21 | 2018-01-19 | 江阴市双丰塑业有限公司 | Protection pipe for protective conduit adiabator layer |
| CN107606368A (en) * | 2017-09-21 | 2018-01-19 | 徐军 | A kind of plastic conduit connecting pipe |
| CN208153887U (en) * | 2018-05-03 | 2018-11-27 | 四川大学华西医院 | The pipe fitting joint structure that disconnected pipe easily screws out |
-
2018
- 2018-05-03 CN CN201810415912.3A patent/CN108458174A/en active Pending
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|---|---|---|---|---|
| US4688832A (en) * | 1984-08-13 | 1987-08-25 | Hydril Company | Well pipe joint |
| US20050077723A1 (en) * | 2003-10-14 | 2005-04-14 | Wai Lai Lin | Pipe fitting for liquid or steam |
| CN201041185Y (en) * | 2006-11-30 | 2008-03-26 | 浙江海力集团有限公司 | Five-edge roller anti-loosening anti-theft nut |
| CN202532051U (en) * | 2012-02-21 | 2012-11-14 | 何敏 | Outer wire joint with reinforcing ribs on inner wall and taking-out wrench |
| CN105829740A (en) * | 2014-01-21 | 2016-08-03 | 哈利伯顿能源服务公司 | Locking nut with a directional coupling mechanism |
| CN203804918U (en) * | 2014-04-29 | 2014-09-03 | 边财浪 | Device for taking broken threaded pipe |
| CN204328353U (en) * | 2014-11-11 | 2015-05-13 | 贵州黔南科技塑业有限公司 | A kind of heat insulation pipe joint structure |
| CN105757365A (en) * | 2014-12-14 | 2016-07-13 | 西安泽华建筑装饰工程有限责任公司 | Air pipe joint |
| TWM533713U (en) * | 2016-07-14 | 2016-12-11 | Me Fu Co Ltd | Connecting pipe |
| CN206830967U (en) * | 2017-05-26 | 2018-01-02 | 东莞好克五金塑料制品有限公司 | Blow-off outlet connecting tube |
| CN206904471U (en) * | 2017-06-21 | 2018-01-19 | 江阴市双丰塑业有限公司 | Protection pipe for protective conduit adiabator layer |
| CN107606368A (en) * | 2017-09-21 | 2018-01-19 | 徐军 | A kind of plastic conduit connecting pipe |
| CN208153887U (en) * | 2018-05-03 | 2018-11-27 | 四川大学华西医院 | The pipe fitting joint structure that disconnected pipe easily screws out |
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| 韩英树;韩宁;: "巧取断丝锥的几种方法" * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180828 |