CN203215136U - Connecting pipe fitting - Google Patents
Connecting pipe fitting Download PDFInfo
- Publication number
- CN203215136U CN203215136U CN 201320216858 CN201320216858U CN203215136U CN 203215136 U CN203215136 U CN 203215136U CN 201320216858 CN201320216858 CN 201320216858 CN 201320216858 U CN201320216858 U CN 201320216858U CN 203215136 U CN203215136 U CN 203215136U
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- connection pipe
- plastic layer
- fitting body
- connecting pipe
- 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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Abstract
The utility model discloses a connecting pipe fitting which comprises a connecting pipe fitting body. A plastic layer is arranged on the inner wall of the connecting pipe fitting body, extends out of a pipe orifice, covers the pipe orifice and then covers a part, which is positioned at the pipe orifice, of the outer wall of the connecting pipe fitting body in a bent manner, and a step which is recessed towards the center of the connecting pipe fitting body, is arranged on the part, which is covered by the plastic layer and is positioned at the pipe orifice, of the outer wall of the connecting pipe fitting body. The connecting pipe fitting has the advantages that tap water is prevented from being in contact with a metal pipe after flowing out of a gap at a joint of two connecting pipe fittings, so that the technical problem that tap water is polluted by heavy metal in an existing metal pipe is solved, and the quality of the water is high in an integral water supply procedure.
Description
Technical field
The utility model relates to the pipe fitting processing technique field, is specifically related to the connection pipe fitting of using in a kind of field of feeding water.
Background technique
In the aqueduct in feedwater field, the link that is used for two plastic lining composite steel pipes of connection is generally spheroidal graphite cast iron groove pipe fitting, if the inwall of this spheroidal graphite cast iron groove pipe fitting directly contacts with water, heavy metal or other material in the spheroidal graphite cast iron groove pipe fitting can enter in the tap water, thereby pollution tap water, influence people to the use of tap water, for the anti-generation of problem here, the inwall of spheroidal graphite cast iron groove pipe fitting of being everlasting in the prior art is coated for the powder of isolating etc., but effect is unsatisfactory, can not reach drinking water standard.
Existing two inwalls are provided with the pipe fitting of plastic layer after connection, in the process of feedwater, tap water may contact with the metal part branch of pipe fitting along the joint of two pipe fittings, this metal part may be iron, zinc coat or other heavy metal, thereby cause the heavy metal in the pipe fitting to enter in the tap water, influence water quality.
The model utility content
The utility model has overcome the deficiencies in the prior art, and a kind of connection pipe fitting is provided, and tap water is not contacted with metal tube, thereby avoids the impact of heavy metals water quality in the metal tube.
Consider the problems referred to above of prior art, according to the disclosed aspect of the utility model, the utility model by the following technical solutions:
A kind of connection pipe fitting comprises the connection pipe fitting body, and the inwall of described connection pipe fitting body is provided with plastic layer, it is characterized in that, described plastic layer extends the mouth of pipe, and the mouth of pipe is covered.
In order to realize the utility model better, further technological scheme is:
In an embodiment of the present utility model, after described plastic layer covered the mouth of pipe, bending covered on the outer wall at described connection pipe fitting body mouth of pipe place again.
In an embodiment of the present utility model, the outer wall at the described connection pipe fitting body mouth of pipe place that is covered by described plastic layer is provided with the step to central concave.
In an embodiment of the present utility model, described plastic layer covers follow-up reneing with described step and stretches, and the connection pipe fitting body of bearing of trend is provided with groove, and the plastic layer of described extension is stuck in this groove.
In an embodiment of the present utility model, after described two connection pipe fittings connected, the outer wall of joint was provided with seal ring.
In an embodiment of the present utility model, the length that described plastic layer extends the mouth of pipe is 2 to 4 millimeters.
The utility model can also be:
In an embodiment of the present utility model, the length that described plastic layer covers on the described step is 2 to 4 millimeters.
In an embodiment of the present utility model, described connection pipe fitting body be lead directly to, a kind of in the threeway, elbow.
In an embodiment of the present utility model, the two ends of described seal ring do not exceed the plastic layer of contact with it.
Compared with prior art, one of the beneficial effects of the utility model are:
Connection pipe fitting of the present utility model, tap water, can not contact with metal tube after flow out in the slit of joint from two connection pipe fittings, has avoided the technical problem of the pollution of heavy metals tap water in the metal tube, makes in the whole feedwater process, and the quality of water is high-quality more.
Description of drawings
For clearer explanation present specification embodiment or technological scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in the description of embodiment or prior art below, apparently, the accompanying drawing that describes below only is the reference to some embodiments in the present specification, for those skilled in the art, under the situation of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 shows the structural representation according to an embodiment's of the utility model connection pipe fitting.
Fig. 2 shows the structural representation according to another embodiment's of the utility model connection pipe fitting.
Fig. 3 shows according to the structural representation after two connection pipe fittings connections of an embodiment of the utility model.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail, but mode of execution of the present utility model is not limited thereto.
Fig. 1 shows the structural representation according to an embodiment's of the utility model connection pipe fitting.Embodiment with reference to a kind of connection pipe fitting shown in Figure 1, comprise connection pipe fitting body 101, this inwall of 101 of described connection pipe fitting is provided with plastic layer 102, and described plastic layer 102 extends the mouth of pipe 103, and the mouth of pipe 103 covered extended plastics covering portion 104 as shown in Figure 1.Tap water can contact with connection pipe fitting body 1 along the slit of joint in the prior art, technological scheme by present embodiment, having solved tap water flows out in the slit of joint from two connection pipe fittings, and the technical problem that contacts with connection pipe fitting body 1, thereby avoided the pollution of heavy metals tap water in the jointed tubular workpieces body 1, also can not cause tap water to the corrosion of connection pipe fitting body 1.
The length 109 that described plastic layer 101 extends the mouth of pipe 103 is 2 to 4 millimeters, and the length 109 that can select described plastic layer 101 to extend the mouth of pipe 103 in another embodiment of the present utility model is 3 millimeters.
Fig. 2 shows the structural representation according to another embodiment's of the utility model connection pipe fitting.With reference to the embodiment of a kind of connection pipe fitting shown in Figure 2, after described plastic layer 202 covered the mouth of pipe 203, bending covered on the outer wall at described connection pipe fitting body 201 mouths of pipe 203 places again.
Continue as shown in Figure 2, the outer wall 204 at described connection pipe fitting body 201 mouths of pipe 203 places that covered by described plastic layer 202 is provided with the step 204 to central concave, and Fig. 2 shows the bending part 205 of this plastic layer 202.Make the surface of bending part 205 flush with the outer surface of whole connection pipe fitting by this step 204.
Again as shown in Figure 2, described plastic layer 202 covers follow-up reneing with described step 204 and stretches, and the connection pipe fitting body 201 of bearing of trend is provided with groove 206, and the plastic layer 207 of described extension is stuck in this groove 206.
The length 210 that described plastic layer 202 covers on the described step 204 is 2 to 4 millimeters, and the length 210 that can select described plastic layer 202 to cover on the described step 204 in another embodiment of the present utility model is 3 millimeters.
Fig. 3 shows according to the structural representation after two connection pipe fittings connections of an embodiment of the utility model.Embodiment with reference to a kind of connection pipe fitting shown in Figure 3, after described two connection pipe fittings 301 connect, the outer wall of joint is provided with seal ring 308, and sealing ring 308 is fixed by fastener 311 and two connection pipe fittings 301, and the two ends of fastener 311 are stuck in the draw-in groove 312 of connection pipe fitting 301.The two ends of described seal ring 308 do not exceed the plastic layer 302 of contact with it, and namely the inboard of seal ring 308 does not contact with the outer wall of connection pipe fitting 301, and can play better sealing effect, seal ring 308 can be sealed plastic.
Connection pipe fitting body described in the above embodiment can be lead directly to, threeway, elbow, and be not limited only to this.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and other embodiment's difference that identical similar part cross-references gets final product between each embodiment.
" embodiment " who speaks of in this manual, " another embodiment ", " embodiment ", etc., refer to concrete feature, structure or the characteristics described in conjunction with this embodiment and be included among at least one embodiment that the application's generality describes.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in specification.Furthermore, when describing a concrete feature, structure or characteristics in conjunction with arbitrary embodiment, what advocate is to realize that in conjunction with other embodiments this feature, structure or characteristics also drop in the scope of the present utility model.
Although with reference to a plurality of explanatory embodiments of the present utility model the utility model is described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and mode of executions, and these are revised and mode of execution will drop within the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to constituent elements and/or the layout of subject combination layout.Except modification that constituent elements and/or layout are carried out with improving, to those skilled in the art, other purposes also will be tangible.
Claims (9)
1. a connection pipe fitting comprises the connection pipe fitting body, and the inwall of described connection pipe fitting body is provided with plastic layer, it is characterized in that, described plastic layer extends the mouth of pipe, and the mouth of pipe is covered.
2. connection pipe fitting according to claim 1 is characterized in that, after described plastic layer covered the mouth of pipe, bending covered on the outer wall at described connection pipe fitting body mouth of pipe place again.
3. connection pipe fitting according to claim 2 is characterized in that, the outer wall at the described connection pipe fitting body mouth of pipe place that is covered by described plastic layer is provided with the step to central concave.
4. connection pipe fitting according to claim 3 is characterized in that, described plastic layer covers follow-up reneing with described step and stretches, and the connection pipe fitting body of bearing of trend is provided with groove, and the plastic layer of described extension is stuck in this groove.
5. according to any described connection pipe fitting of claim 1 to 4, it is characterized in that after described two connection pipe fittings connected, the outer wall of joint was provided with seal ring.
6. connection pipe fitting according to claim 5 is characterized in that, the length that described plastic layer extends the mouth of pipe is 2 to 4 millimeters.
7. connection pipe fitting according to claim 5 is characterized in that, the length that described plastic layer covers on the described step is 2 to 4 millimeters.
8. connection pipe fitting according to claim 5 is characterized in that, described connection pipe fitting body be lead directly to, a kind of in the threeway, elbow.
9. connection pipe fitting according to claim 5 is characterized in that, the two ends of described seal ring do not exceed the plastic layer of contact with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320216858 CN203215136U (en) | 2013-04-25 | 2013-04-25 | Connecting pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320216858 CN203215136U (en) | 2013-04-25 | 2013-04-25 | Connecting pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203215136U true CN203215136U (en) | 2013-09-25 |
Family
ID=49204674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320216858 Expired - Fee Related CN203215136U (en) | 2013-04-25 | 2013-04-25 | Connecting pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203215136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216689A (en) * | 2013-04-25 | 2013-07-24 | 成都国木科技有限公司 | Connection pipe fitting |
-
2013
- 2013-04-25 CN CN 201320216858 patent/CN203215136U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216689A (en) * | 2013-04-25 | 2013-07-24 | 成都国木科技有限公司 | Connection pipe fitting |
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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: 20130925 Termination date: 20160425 |