CN201851832U - Fastener provided with heating function and used for pipeline connector - Google Patents
Fastener provided with heating function and used for pipeline connector Download PDFInfo
- Publication number
- CN201851832U CN201851832U CN2010205204939U CN201020520493U CN201851832U CN 201851832 U CN201851832 U CN 201851832U CN 2010205204939 U CN2010205204939 U CN 2010205204939U CN 201020520493 U CN201020520493 U CN 201020520493U CN 201851832 U CN201851832 U CN 201851832U
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- pipe joint
- clipping device
- half ones
- snap portions
- notch
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Abstract
The utility model discloses a fastener provided with a heating function and used for a pipeline connector. The fastener comprises a fastening part, wherein the fastening part can be detachably fastened on the circumference of the pipeline connector, so that the inner surface of the fastening part is fitted with the surface of the circumference of the pipeline connector; and an accommodating part with a cavity is arranged on the fastening part, wherein a heating component is arranged in the cavity, and the cavity approaches the inner surface of the fastening part, so that the heat of the heating component is effectively transferred to the pipeline connector.
Description
Technical field
The utility model relates to a kind of pipe joint clipping device with heating function, and it is applicable to the anti-freezing pipeline of carrying liquid, and described anti-freezing pipeline is particularly useful for transport urea solution in diesel vehicle.
Background technique
For the emission performance that makes diesel vehicle reaches the laws and regulations requirement of increasingly stringent, selective catalytic reduction (SCR) system need be installed on diesel vehicle.The SCR system need use urea liquid.Urea liquid is crossed when hanging down at temperature and is frozen and the obstruction delivery line easily, causes SCR system down.Thereby use anti-freezing pipeline to come transport urea solution, so that can prevent that urea liquid from freezing in pipeline.
Existing anti-freezing pipeline all is only pipeline portions to be heated preventing that liquid in pipe from freezing, and does not take extra heating and anti-freezing measure at the pipe joint place.In cold especially area, the liquid of the joint of this anti-freezing pipeline might freeze, so that stops up delivery line, causes system down.Therefore, need also adopt the heating and anti-freezing measure, to improve the reliability of system at the pipe joint place.Yet existing pipeline adopts the general fast intubate pipeline connector in related domain usually, if specialized designs has the pipe joint of heating function again, can improve the cost of product greatly.
Summary of the invention
In order to solve the above-mentioned technical problem in related domain, the utility model provides a kind of clipping device with heating function that is used for pipe joint.Described clipping device comprises snap portions, and described snap portions removably is fastened on the periphery of described pipe joint, thereby the internal surface of described snap portions and the outer surface of described pipe joint are fitted tightly.On described snap portions, be provided with the receiver portion of band cavity.In described cavity, be provided with heating element, and described cavity is near the internal surface of described snap portions, so that make the heat of described heating element be passed to described pipe joint expeditiously.
Preferably, described snap portions comprises by the first half ones connected to one another of the portion of flexibly connecting and the second half ones, described the first half ones and the second half ones are the semicircular cylinder shape, described the first half ones and the second half ones can flexibly connect portion and closed each other by bending is described, thereby form complete drum, on the periphery that is fastened on described pipe joint.
Preferably, described snap portions is the drum with breach, and the width of described breach is less than the internal diameter of described snap portions.Described snap portions has elasticity.When the described pipe joint of described notch alignment was firmly pushed, described breach was strutted by described pipe joint, and described pipe joint is pushed into and remains in the described snap portions.
Preferably, described the first half ones comprise crook, and described the second half ones comprise notch.When described the first half ones and described the second half ones were closed, described crook was hooked described notch, kept the closed state of described the first half ones and described the second half ones thus.
Preferably, described pipe joint comprises circumferential recess, and described snap portions comprises the circumferential projection with described circumferential recess shape complementarity.When described clipping device was fastened on the described pipe joint, described circumferential projection fitted tightly in described circumferential recess, thereby improved heat conduction efficiency each other, and prevented described clipping device and described pipe joint moving axially relative to each other.
Preferably, described pipe joint comprises axial notch, and described snap portions comprises axial projection portion.When described clipping device was fastened on the described pipe joint, described axial projection portion was inserted in the described axial notch, thereby prevents described clipping device and the rotation relative to each other of described pipe joint.
Description of drawings
Fig. 1 illustrates the pipe joint of using clipping device of the present utility model;
Fig. 2 is the cross-sectional view that the line A-A from Fig. 1 obtains;
Fig. 3 is the front view of clipping device under open mode in the exemplary embodiment of the present utility model;
Fig. 4 is the plan view of clipping device under open mode among Fig. 3;
Fig. 5 is the front view of clipping device under fastening state among Fig. 3;
Fig. 6 is the sectional view that the line B-B from Fig. 4 obtains, and heating element wherein is removed; With
Fig. 7 is the front view of the clipping device in another exemplary embodiment of the present utility model.
Embodiment
Describe exemplary embodiment of the present utility model in detail hereinafter with reference to accompanying drawing.
Fig. 1 schematically shows a kind of universal pipe joint commonly used in related domain, and this pipe joint uses reference character " 1 " to represent generally.This pipe joint 1 comprises head 11, middle part 12 and afterbody 13.Head 11 is inserted in the pipeline usually, is inserted with the joint of another pipeline (as shown in phantom in Figure 1) or another pipeline in the afterbody 13 usually, thereby two pipelines are communicated with each other by pipe joint 1.Certainly, head 12 also can be inserted in the interface of a certain container, and afterbody 13 also can be inserted with the joint of a certain container.
Fig. 3 and Fig. 4 show front view and the plan view of clipping device under open mode according to exemplary embodiment of the present utility model respectively.This clipping device is used reference character " 2 " expression generally.
As shown in Figure 3 and Figure 4, described clipping device 2 has the snap portions of the first half ones 21 that comprise and the second half ones 22.The first half ones 21 and the second half ones 22 are connected to each other by the portion of flexibly connecting 23.Described snap portions can removably be fastened on the periphery of described pipe joint 1.Described the first half ones 21 and the second half ones 22 are the semicircular cylinder shape.
Fig. 5 shows the closed state of above-mentioned clipping device.As shown in Figure 5, described the first half ones 21 and the second half ones 22 can flexibly connect portion 23 and closed each other by bending is described, thereby form complete drum, so that can be fastened on the periphery of described pipe joint 1.
As shown in Figure 3 and Figure 4, described the first half ones 21 comprise crook 24, and described the second half ones 22 comprise notch 25 (shown in dotted line in Fig. 3).When described the first half ones 21 and described the second half ones 22 were closed, described crook 24 was hooked described notch 25, kept the closed state of described the first half ones 21 and described the second half ones 22 thus.Those skilled in the art will appreciate that and also can adopt related domain any other suitable structure commonly used to keep the closed state of the first half ones 21 and the second half ones 22.
Fig. 6 is the sectional view that the line B-B from Fig. 4 obtains.Shown in Fig. 3-6, on described snap portions, specifically be in this embodiment in the first half ones 21, be provided with the receiver portion 26 of band cavity 27, in described cavity 27, be provided with heating element, and described cavity 27 is near the internal surface of described snap portions, so that make the heat of described heating element be passed to described pipe joint 1 expeditiously.The heat that is delivered to pipe joint 1 can prevent that the liquid in the pipe joint 1 from freezing, and then avoids the fault that causes thus.
Described heating element can be the heating element that is applicable to any kind known in the art of this clipping device.This heating element can be fixed in the described cavity 27 by mode well known in the art.For example, heating element can directly be molded in the cavity 27, perhaps remains in the cavity 27 by tackiness agent.Persons of ordinary skill in the art may appreciate that this electric heating element can have the circuit that is connected to power supply, and can control the supply of electric power by controller when using electric heating element.
As shown in Figure 1, described pipe joint 1 comprises circumferential recess 14.Shown in Fig. 3-6, described snap portions comprises the circumferential projection 28 with described circumferential recess 14 shape complementarities.When described clipping device is fastened on the described pipe joint 1, described circumferential projection 28 fluid-tight engagement are in described circumferential recess 14, make the internal surface of described snap portions and the outer surface of described pipe joint 1 fit closelyr, thereby further improve heat conduction efficiency each other.Circumferential recess 14 that is engaged with each other and circumferential projection 28 can also prevent described clipping device 2 and described pipe joint 1 moving axially relative to each other, thereby avoid owing to this moves axially the circuit that damages heating element.Those skilled in the art will appreciate that and also can adopt any suitable structure to prevent clipping device and pipe joint moving axially relative to each other according to the structure of employed pipe joint.
As shown in Figure 2, described pipe joint 1 comprises axial notch 15.As Fig. 4 and shown in Figure 6, described snap portions comprises axial projection portion 29.The quantity of described axial projection portion 29 can be identical with the quantity of groove 15, also can only be provided with an axial projection portion 29.In this embodiment, described pipe joint 1 comprises two axial notches 15, and only is provided with two axial projection portions 29 in the first half ones 21.When described clipping device 2 is fastened on the described pipe joint 1, described axial projection portion 29 is bonded in the described axial notch 15, thereby prevent described clipping device 2 and the rotation relative to each other of described pipeline 1 joint, and then avoid damaging the circuit of heating element owing to this rotation.Those skilled in the art will appreciate that and also can adopt any suitable structure to prevent the rotation relative to each other of clipping device and pipe joint according to the structure of employed pipe joint.
In the above-described embodiments, the snap portions according to clipping device of the present utility model has adopted the structure that comprises two and half ones.But the snap portions of clipping device of the present utility model is not limited to above-mentioned concrete structure, but can adopt any other suitable structure in related domain, as long as clipping device can be remained on the pipe joint reliably.For example, Fig. 7 illustrates another exemplary embodiment of the present utility model, and the snap portions of clipping device has adopted the structure of U-shaped like clamp among this embodiment.Particularly, in this embodiment, snap portions 3 is for having the drum of breach, and the width of described breach is less than the internal diameter of described snap portions 3.Described snap portions 3 has elasticity, and when the described pipe joint 1 of described notch alignment was firmly pushed, described breach was strutted by described pipe joint 1, and described pipe joint 1 is pushed into and remains in the described snap portions 3.The other parts of clipping device are identical with a last embodiment among this embodiment, and for example, this clipping device also comprises the circumferential projection 31 with same structure, the receiver portion 32 and the axial projection (not shown) of band cavity 33.
Those having ordinary skill in the art will appreciate that, though the technical solution of the utility model has been described with reference to concrete exemplary embodiment, but the clipping device in the utility model is not limited to be applied to certain specific pipe joint, but can carry out suitable modification to clipping device of the present utility model according to the concrete structure of pipe joint, to satisfy the concrete needs of using.And, can make amendment to the utility model by adopting similar equivalent constructions, and not exceed scope of the present utility model.
Claims (6)
1. clipping device that is used for pipe joint with heating function, described clipping device comprises snap portions, described snap portions removably is fastened on the periphery of described pipe joint, the internal surface of described snap portions and the outer surface of described pipe joint are fitted, it is characterized in that, on described snap portions, be provided with the receiver portion of band cavity, in described cavity, be provided with heating element, and the position of described cavity is near the internal surface of described snap portions.
2. clipping device according to claim 1, it is characterized in that, described snap portions comprises by the first half ones connected to one another of the portion of flexibly connecting and the second half ones, described the first half ones and the second half ones are the semicircular cylinder shape, described the first half ones and the second half ones can flexibly connect portion and closed each other by bending is described, thereby form complete drum, on the periphery that is fastened on described pipe joint.
3. clipping device according to claim 1, it is characterized in that, described snap portions is the drum with breach, the width of described breach is less than the internal diameter of described snap portions, described snap portions has elasticity, when the described pipe joint of described notch alignment was firmly pushed, described breach was strutted by described pipe joint, and described pipe joint is pushed into and remains in the described snap portions.
4. clipping device according to claim 2, it is characterized in that, described the first half ones comprise crook, described the second half ones comprise notch, when described the first half ones and described the second half ones are closed, described crook is hooked described notch, keeps the closed state of described the first half ones and described the second half ones thus.
5. according to any described clipping device among the claim 1-3, it is characterized in that, described pipe joint comprises circumferential recess, described snap portions comprises the circumferential projection with described circumferential recess shape complementarity, when described clipping device is fastened on the described pipe joint, described circumferential projection is bonded in the described circumferential recess, thereby improves heat conduction efficiency each other, and prevents described clipping device and described pipe joint moving axially relative to each other.
6. according to any described clipping device among the claim 1-3, it is characterized in that, described pipe joint comprises axial notch, described snap portions comprises axial projection portion, when described clipping device is fastened on the described pipe joint, described axial projection portion is bonded in the described axial notch, thereby prevents described clipping device and the rotation relative to each other of described pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205204939U CN201851832U (en) | 2010-09-06 | 2010-09-06 | Fastener provided with heating function and used for pipeline connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205204939U CN201851832U (en) | 2010-09-06 | 2010-09-06 | Fastener provided with heating function and used for pipeline connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851832U true CN201851832U (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205204939U Ceased CN201851832U (en) | 2010-09-06 | 2010-09-06 | Fastener provided with heating function and used for pipeline connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168779A (en) * | 2010-09-06 | 2011-08-31 | 河北亚大汽车塑料制品有限公司 | Fastener with heating function for pipeline joint |
| CN102248677A (en) * | 2011-06-21 | 2011-11-23 | 刘均平 | Adhesive connecting process for inner pipe of casting polyurethane conveying pipe and special clamp thereof |
-
2010
- 2010-09-06 CN CN2010205204939U patent/CN201851832U/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168779A (en) * | 2010-09-06 | 2011-08-31 | 河北亚大汽车塑料制品有限公司 | Fastener with heating function for pipeline joint |
| CN102248677A (en) * | 2011-06-21 | 2011-11-23 | 刘均平 | Adhesive connecting process for inner pipe of casting polyurethane conveying pipe and special clamp thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20151019 Decision number of declaring invalidation: 27283 Granted publication date: 20110601 |