CN205371930U - Direct pipe fitting connects - Google Patents
Direct pipe fitting connects Download PDFInfo
- Publication number
- CN205371930U CN205371930U CN201620052550.2U CN201620052550U CN205371930U CN 205371930 U CN205371930 U CN 205371930U CN 201620052550 U CN201620052550 U CN 201620052550U CN 205371930 U CN205371930 U CN 205371930U
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- CN
- China
- Prior art keywords
- pipe fitting
- straight
- plastic pipe
- union
- pipe
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- 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.)
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Abstract
The utility model discloses a direct pipe fitting connects has solved among the prior art pipe fitting joint department and has produced great water pressure easily, brings certain hidden danger for the circulation of pipeline, and the condition of booster appears in pipe connection easily when unstable, destroy the problem of the connection of pipeline, and its technical scheme main points are direct pipe fitting connects, include the outer screwed joint of integrated into one piece setting and mould the coupling, outer screwed joint is including integrative screwed pipe portion that sets up and connection platform portion, it is provided with the buffering portion that is used for cushioning water flow to connect platform portion, the inside of screwed pipe portion is linked together with buffering portion, shares the flow of rivers in the unit interval, reduces the flow of rivers, plays the effect of buffering rivers, prevents that rivers are in joint department because of the great water pressure of the too big production of flow.
Description
Technical field
This utility model relates to a kind of pipe fitting joint, more specifically, it relates to a kind of straight-through pipe fitting joint.
Background technology
nullTubing is widely used in daily life and industry，Wherein various pipe joints play very important effect，Pipe joint is the fastening means between pipeline and pipeline，It it is the junction point that can dismount between element and pipeline，Act as indispensable key player in the tube，Plastic pipe union in the market，Mainly there is binodal、Elbow、Threeway etc.，Generally comprise joint body，One end of body is provided with and moulds the union joint that pipe coordinates，The other end of joint body is provided with fixed interior tooth joint，Wherein，Market use thermoplasticity with metal external thread joint more widely lead directly to，Injection molded by metal external thread joint and thermoplastic resin structure layer，For making thermoplastic pipe and this thermoplasticity bellmouth hot-melt adhesive paste led directly to，It is generally adopted and thermoplastic pipe's outer layer and this straight-through thermoplasticity bellmouth internal layer are heated simultaneously，Reach after uniform temperature until both，Thermoplastic pipe is advanced in this straight-through thermoplasticity bellmouth，Make both hot-melt adhesive paste，But the heat time heating time due to both、When the temperature reached and hot melt, fltting speed also differs，Work as superheated，Tubing lower thickness，Thermoplastic pipe is in this straight-through thermoplastic bellmouth internal strain，The internal latus rectum of bellmouth is made to diminish，Affect bellmouth flow.
nullIn order to solve the problems referred to above，In one section of Chinese patent document that number of patent application is " 201020584283.6 "，Describe a kind of thermoplasticity with metal external thread joint to lead directly to，Including two, the left and right bellmouth that injection moulding is connected，One of them is injection molded by metal external thread joint and thermoplastic resin structure layer，Thermoplastic resin structure layer is coated on the root outer ring of metal external thread joint，Other in which is made up of inside and outside double-layer structure，Outer structural layer is injection molded by thermoplastic resin，Have inside it no less than two grooves，Inner structural layer is injection molded by metal hollow light wall pipe and thermoplastic resin，Thermoplastic resin is coated on the outer ring of metal hollow light wall pipe，When thermoplastic pipe and thermoplastic bellmouth hot-melt adhesive paste，If over-heating，The clout produced when the groove of outer structural layer can absorb thermoplastic pipe with external and internal compositions layer hot melt，Circular row pore can discharge the air in external and internal compositions layer，The metal hollow light wall pipe of inner structural layer will not deform because of heating，Ensure that internal latus rectum.
But, the weak point that this thermoplasticity with metal external thread joint leads directly to is, when nipple connects with adjacent pipe fitting, what the inwall of pipe fitting realized between pipe fitting with pipe fitting with nipple threaded engagement fixing connects, the internal diameter of adjacent pipe fitting is equal with the external diameter of nipple, owing to nipple has certain thickness, therefore, the pipe diameter stenosis can passed through time in pipeline by nipple is narrow, current are subject to the stop of nipple, under current faster situation, bigger hydraulic pressure is easily produced at pipe fitting joint place, certain hidden danger is brought to the circulation of pipeline, easily there is the situation of booster in pipeline when connecting unstable, destroy the connection of pipeline.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is in that providing a kind of prevents current in joint because of the bigger hydraulic pressure of the excessive generation of flow, it is ensured that the stability at pipe fitting joint place, it is to avoid the straight-through pipe fitting joint that the situation of water pipe booster occurs.
For achieving the above object, this utility model provides following technical scheme: a kind of straight-through pipe fitting joint, male connection and plastic pipe union including one-body molded setting, it is characterized in that: described male connection includes the threaded tube portion and the connected unit portion that are wholely set, described connected unit portion is provided with the buffer part for cushioning water flow, and the inside of described threaded tube portion is connected with buffer part.
By adopting technique scheme, buffer part has bigger volume space, current can be cushioned, share the flow of current in the unit interval, reduce current flow, play buffering current effect, it is prevented that current in joint because of the hydraulic pressure that the excessive generation of flow is bigger, ensure the stability at pipe fitting joint place, it is to avoid the situation of water pipe booster occurs.
Further, described buffer part be connected unit portion cave in along current flow direction formed groove, described groove is arranged on the circumferential edge edge of threaded tube portion ringwise.
Further, described threaded tube portion is provided with several through holes within communication groove and threaded tube portion.
By adopting technique scheme, through hole connects with groove, facilitates in the water Liu Dao groove in nipple, plays the effect of buffering shunting discharge.
Further, the edge of described groove is provided with for the lobe in gap between sealed groove and pipe fitting.
By adopting technique scheme, clearance seal between pipe fitting and connected unit is lived by lobe, owing to lobe is made up of elastomeric material, when joint connects, pipe fitting can on nipple rotary squeezing lobe, the sealing property between pipe fitting and connected unit is made to reach better effect, it is prevented that water flows outwardly from the gap between connected unit and pipe fitting.
Further, the sidewall of described plastic pipe union is provided with anti-slip veins.
By adopting technique scheme, by anti-slip veins, operator can hold the one end being provided with anti-slip veins, swivel joint, and the meeting ratio that operates is relatively labor-saving, quick.
Further, described plastic pipe union is provided with for sealing the sealing member in gap between plastic pipe union inner hole wall and pipe fitting.
By adopting technique scheme, sealing member is sealing ring, for sealing up the gap between hole wall and pipe fitting, improves the sealing property between pipe fitting and plastic pipe union, it is prevented that water outwards oozes out from gap location.
Further, the sidewall of described plastic pipe union is provided with several reinforcements preventing plastic pipe union from bending.
By adopting technique scheme, lateral wall is fixedly installed reinforcement, strengthens the hardness of plastic pipe union, it is to avoid plastic pipe union produces situation about being badly deformed.
Further, the inner hole wall of described plastic pipe union is provided with wearing layer integrated with plastic pipe union inner hole wall.
By adopting technique scheme, the inner hole wall of plastic pipe union arranges one layer of wearing layer, strengthened the anti-wear performance of inner hole wall by wearing layer, reduce the screw thread on inner hole wall and inner hole wall and be subject to too much abrasion, improve the service life of plastic pipe union.
Further, described wearing layer is made up of polyvinylidene fluoride material.
By adopting technique scheme, this wearing layer is made up of polyvinylidene fluoride material, Kynoar belongs to crystalline material, there is good wearability, the intensity of this material and the effectiveness comparison of resistance to chemical attack are good simultaneously, the intensity of plastic pipe union can be strengthened, it is not easy to bending, also be not readily susceptible to chemical attack and produce to damage.
Accompanying drawing explanation
Fig. 1 is the structural representation of straight-through pipe fitting joint；
Fig. 2 is the sectional view of straight-through pipe fitting joint.
In figure: 101, threaded tube portion；102, connected unit portion；1, male connection；2, plastic pipe union；3, buffer part；4, lobe；5, reinforcement；6, anti-slip veins；7, through hole；8, sealing ring；9, wearing layer.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is further described.
nullAs depicted in figs. 1 and 2，A kind of straight-through pipe fitting joint，Male connection 1 and plastic pipe union 2 including integrated injection molding，Male connection 1 is made up of metal material，Hardness ratio is higher，The service life reached is long，The root of plastic pipe union 2 is coated on the root outer ring of metal external thread joint 1，Male connection 1 includes threaded tube portion 101 and the connected unit portion 102 of one-body molded setting，In the present embodiment，The corrugated tubing that threaded tube portion 101 is arranged for hollow，Corrugated tubing be shaped as cylinder，Connected unit portion 102 is the connected unit of truncated cone-shaped，The end face of connected unit and one end of corrugated tubing are integrated，Connected unit portion 102 is provided with the buffer part 3 for cushioning water flow，The inside of threaded tube portion 101 is connected with buffer part 3，Buffer part 3 be connected unit end face cave in along current flow direction formed annular groove，Groove is looped around threaded tube portion 101 outer circumferential edge along upper，Threaded tube portion 101 is provided with several through holes 7 running through corrugated tubing sidewall，Through hole 7 is positioned at threaded tube portion 101 on one end sidewall in connected unit portion 102，Through hole 7 connects internal for corrugated tubing with groove，Current diminish through nipple flow，The water being introduced in corrugated tubing is diverted in groove by through hole 7，Groove has bigger space，Current can be cushioned，Share the flow of current in the unit interval，Reduce the flow of current，Play the effect of buffering current，Prevent current in joint because of the bigger hydraulic pressure of the excessive generation of flow，Ensure the stability at pipe fitting joint place，The situation avoiding water pipe booster occurs.
nullAs depicted in figs. 1 and 2，The edge of groove is provided with for the lobe 4 in gap between sealed groove and pipe fitting，Lobe 4 is formed in the rightabout projection caved in groove，Lobe 4 is looped around the circumferential periphery edge of groove ringwise，Lobe 4 is made up of elastomeric material，After nipple connects with adjacent pipe fitting，The certain gap easily produced between connected unit portion 102 and the end of pipe fitting，Gap is positioned at groove，Current are easily successively from groove、Gap flows outwardly，The sealing causing pipeline reduces，Abutted with the end face of pipe fitting by lobe 4，Clearance seal between pipe fitting and connected unit is lived by lobe 4，Owing to lobe 4 is made up of elastomeric material，When joint connects，Pipe fitting can on nipple rotary squeezing lobe 4，The sealing property between pipe fitting and connected unit is made to reach better effect，Prevent water from flowing outwardly from the gap between connected unit and pipe fitting.
As shown in Figure 1, the sidewall of plastic pipe union 2 is provided with anti-slip veins 6, anti-slip veins 6 is positioned on one end sidewall of plastic pipe union 2 and is uniformly distributed on sidewall circumferencial direction, when rotating this joint, often because joint surface speckles with water or fastening is excessive, cause that swivel joint is required great effort very much when dismounting, by anti-slip veins 6, operator can hold the one end being provided with anti-slip veins 6, swivel joint, and the meeting ratio that operates is relatively labor-saving, quick.
As shown in Figure 2, plastic pipe union 2 is provided with for sealing the sealing member in gap between plastic pipe union 2 inner hole wall and pipe fitting, in the present embodiment, sealing member is sealing ring 8, when endoporus on plastic pipe union 2 is connected with pipe fitting, certain gap can be there is between hole wall and pipe fitting, the water capacity is easily slowly outwards oozed out from gap location, by being provided with a circle O-ring seal 8 on inwall, for sealing up the gap between hole wall and pipe fitting, improve the sealing property between pipe fitting and plastic pipe union 2, it is prevented that water outwards oozes out from gap location.
As shown in Figure 1, the sidewall of plastic pipe union 2 is provided with several reinforcements 5 preventing plastic pipe union 2 from bending, being shaped as cuboid and be evenly distributed on the circumferential sidewall of plastic pipe union 2 of reinforcement 5, owing to plastic pipe union 2 is made with plastic material, hardness ratio is relatively low, is subject to external force meeting flexural deformation, by being fixedly installed reinforcement 5 on lateral wall in the process used, strengthen the hardness of plastic pipe union 2, it is to avoid plastic pipe union 2 produces situation about being badly deformed.
nullAs shown in Figure 2，The inner hole wall of plastic pipe union 2 is provided with the wearing layer 9 of a layer and the plastic pipe union 2 one-body molded setting of inner hole wall，Wearing layer 9 has polyvinylidene fluoride material to make，Plastic pipe union 2 and pipe fitting are connected and in unloading process，Rotate plastic pipe union 2 all can make between the inner hole wall of plastic pipe union 2 and pipe fitting, to contact the friction that generation is certain，Thus causing that the inner hole wall of plastic pipe union 2 is subject to certain friction，Long-time use can cause that the thread abrasion on inner hole wall is thinning，Do not reach the effect being fastenedly connected pipe fitting，By arranging one layer of wearing layer 9 on the inner hole wall of plastic pipe union 2，The anti-wear performance of inner hole wall is strengthened by wearing layer 9，The screw thread reduced on inner hole wall and inner hole wall is subject to too much abrasion，Improve the service life of plastic pipe union 2，This wearing layer 9 is made up of polyvinylidene fluoride material，Kynoar belongs to crystalline material，There is good wearability，The intensity of this material and the effectiveness comparison of resistance to chemical attack are good simultaneously，The intensity of plastic pipe union 2 can be strengthened，It is not easy bending，Also it is not readily susceptible to chemical attack produce to damage.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a straight-through pipe fitting joint, male connection and plastic pipe union including one-body molded setting, it is characterized in that: described male connection includes the threaded tube portion and the connected unit portion that are wholely set, described connected unit portion is provided with the buffer part for cushioning water flow, and the inside of described threaded tube portion is connected with buffer part.
2. straight-through pipe fitting joint according to claim 1, it is characterised in that: described buffer part be connected unit portion cave in along current flow direction formed groove, described groove is arranged on the circumferential edge edge of threaded tube portion ringwise.
3. straight-through pipe fitting joint according to claim 2, it is characterised in that: described threaded tube portion is provided with several through holes within communication groove and threaded tube portion.
4. straight-through pipe fitting joint according to claim 3, it is characterised in that: the edge of described groove is provided with for the lobe in gap between sealed groove and pipe fitting.
5. straight-through pipe fitting joint according to claim 1, it is characterised in that: the sidewall of described plastic pipe union is provided with anti-slip veins.
6. straight-through pipe fitting joint according to claim 5, it is characterised in that: described plastic pipe union is provided with for sealing the sealing member in gap between plastic pipe union inner hole wall and pipe fitting.
7. straight-through pipe fitting joint according to claim 6, it is characterised in that: the sidewall of described plastic pipe union is provided with several reinforcements preventing plastic pipe union from bending.
8. straight-through pipe fitting joint according to claim 7, it is characterised in that: the inner hole wall of described plastic pipe union is provided with wearing layer integrated with plastic pipe union inner hole wall.
9. straight-through pipe fitting joint according to claim 8, it is characterised in that: described wearing layer is made up of polyvinylidene fluoride material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620052550.2U CN205371930U (en) | 2016-01-20 | 2016-01-20 | Direct pipe fitting connects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620052550.2U CN205371930U (en) | 2016-01-20 | 2016-01-20 | Direct pipe fitting connects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205371930U true CN205371930U (en) | 2016-07-06 |
Family
ID=56272760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620052550.2U Expired - Fee Related CN205371930U (en) | 2016-01-20 | 2016-01-20 | Direct pipe fitting connects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205371930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672177A (en) * | 2019-10-14 | 2020-01-10 | 山东和同信息科技股份有限公司 | NB-IoT Internet of things intelligent water meter |
-
2016
- 2016-01-20 CN CN201620052550.2U patent/CN205371930U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110672177A (en) * | 2019-10-14 | 2020-01-10 | 山东和同信息科技股份有限公司 | NB-IoT Internet of things intelligent water meter |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20170120 |