CN202048950U - Connection structure between urea liquid level sensor and joint, used for automobile - Google Patents
Connection structure between urea liquid level sensor and joint, used for automobile Download PDFInfo
- Publication number
- CN202048950U CN202048950U CN2011201414311U CN201120141431U CN202048950U CN 202048950 U CN202048950 U CN 202048950U CN 2011201414311 U CN2011201414311 U CN 2011201414311U CN 201120141431 U CN201120141431 U CN 201120141431U CN 202048950 U CN202048950 U CN 202048950U
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- joint
- level sensor
- pipeline
- liquid level
- automobile
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Abstract
The utility model discloses a connection structure between a urea liquid level sensor and a joint, used for automobiles. The connection structure comprises a liquid level sensor fixing seat, a pipeline and a joint, wherein the pipeline is installed on the liquid level sensor fixing seat, one end of the pipeline extends out of the inner side of the liquid level sensor fixing seat, the other end of the pipeline is communicated with the joint as a whole, and the tail end of the joint extends out of the outer side of the liquid level sensor fixing seat. The mode that traditional joint and pipeline are connected together through screw threads or by welding is replaced by communicating the pipeline with the joint as a whole, such that the connection of the joint and the pipeline is firm and not loose, and thereby the connection structure between a urea liquid level sensor and a joint, used for automobiles is free of leakage risk brought by welding, is convenient in assembling and disassembling, and brings convenience for the production of products and for the utilizing of users.
Description
Technical field
The utility model relates to urea level sensor field technology, refers in particular to the syndeton of a kind of automobile-used urea level sensor and joint.
Background technology
Diesel engine is used widely having obtained in the higher thermal efficiency and the lower every profession and trade of toxic emission all over the world, but its higher discharged nitrous oxides is puzzlement people's a problem always.Since the nineties in 20th century,, promoted the continuous development of engine technology along with the continuous strictness of countries in the world to fuel oil (gas) motor car engine Abgasgesetz.At present, the technology path of realizing state's IV emission standard has the former processing of SCR(urea selective recall), EGR+DPF(exhaust gas recirculation+grain catcher), LNT(nitrogen oxygen adsorber), CRT(cyclic regeneration grain catcher) etc., wherein occupy an leading position with SCR catalytic reduction technology, domestic large-scale diesel engine producer of a few family also big more options this technology path, it is to utilize emission controls by improving combustion to reduce soot, utilizes the SCR system to reduce the method for NOX discharging then.
The aqueous solution of urea of commercial usefulness is called AdBlue, and it is nontoxic, clean, be difficult for catching fire, no explosion danger, and it is used for reducing discharged nitrous oxides with oxides of nitrogen generation chemical reaction.Container as aqueous solution of urea is called urea box, urea box of the prior art is provided with liquid level sensor, the holder of this liquid level sensor is provided with a plurality of pipelines, this pipeline is used for being communicated with external lug, the common system of external lug of the prior art directly utilizes the front end of joint, mode by internal thread and external thread spiro fastening locking is communicated with external lug with corresponding pipeline is fixing, perhaps the mode by welding links together external lug and pipeline.
The connection structure of above-mentioned existing urea case liquid level sensor and joint, though can offer the fixing effect that is communicated with of user, really has progressive, but when using, reality but finds still to have many deficiencies on himself structure and the usability, the connection structure that causes existing urea box liquid level sensor and joint is in practical application, fail to reach best result of use and task performance, now its shortcoming is summarized as follows: the mode that external lug and pipeline are screwed together by screw thread or the mode of welding connect, exist the problem of loosening or not prison welding on the one hand, thereby cause the hidden danger of leaking easily, assembly and disassembly are loaded down with trivial details on the other hand, bring inconvenience for the production of product and user's use; And joint need utilize numerical control machine (CNC) to process separately, and manufacturing procedure is many, the cost of manufacture height.
The utility model content
In view of this, the utility model is at the disappearance of prior art existence, its fundamental purpose provides the syndeton of a kind of automobile-used urea level sensor and joint, and it can solve effectively that loosening or not prison welding appears in existing joint and pipeline ease of connection and the problem that causes leaking.
For achieving the above object, the utility model adopts following technical scheme:
The syndeton of a kind of automobile-used urea level sensor and joint, include liquid level sensor holder, pipeline and joint, this piping erection is on this liquid level sensor holder, one end of pipeline stretches out the inboard of liquid level sensor holder, the other end of pipeline is communicated with this joint is one-body molded, and the tail end of this joint stretches out the outside of liquid level sensor holder.
As a kind of preferred version, described pipeline includes an arc fold bending portion and an extension, and this extension stretches out the inboard of liquid level sensor holder, and extension is connected with an end of arc fold bending portion, and the other end of arc fold bending portion is connected with this joint.
As a kind of preferred version, have a containing cavity in the described liquid level sensor holder, this arc fold bending portion is placed in this containing cavity, and this pipeline is set with a sleeve outward, and this collet head is located between the internal face of the outside wall surface of pipeline and containing cavity.
As a kind of preferred version, described pipeline radially enlarges and is formed with bulge loop, to internal face that should sleeve radially indent form flutedly, this bulge loop is embedded in this groove.
As a kind of preferred version, further include an O-ring seal, the sealing circle is clamped between the internal face of the outside wall surface of pipeline and containing cavity, and the sealing circle is between the inner bottom surface of the bottom surface of aforementioned sleeve and containing cavity.
As a kind of preferred version, the external diameter of described joint is greater than the external diameter of pipeline, and the port of joint is formed with convex closure.
The utility model compared with prior art has tangible advantage and beneficial effect, particularly, and as shown from the above technical solution:
One, pipeline and joint are one-body molded to be communicated with by utilizing, the joint of tradition and the mode that pipeline connects by screw thread or welding etc. have been replaced, make being connected firmly between joint and the pipeline, can not occur becoming flexible, the also solderless tape splicing risk of leakage of coming, and assembly and disassembly are easy, give the production of product and user's offering convenience property of use.
Two, this pipeline and joint are one-body molded to be communicated with by utilizing, simple in structure, has removed joint from and has utilized CNC to carry out the loaded down with trivial details of machine-shaping separately, and manufacturing procedure reduces, and is beneficial to the manufacturing production cost that reduces enterprise.
For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the front view of the preferred embodiment of the utility model;
Fig. 2 is the sectional view of A-A position among Fig. 1.
The accompanying drawing identifier declaration:
10, liquid level sensor holder 101, containing cavity
20, pipeline 21, arc fold bending portion
22, extension 201, bulge loop
30, joint 31, convex closure
40, sleeve 50, O-ring seal.
Embodiment:
Please refer to illustrated in figures 1 and 2ly, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes liquid level sensor holder 10, pipeline 20 and joint 30.
Wherein, has a containing cavity 101 in this liquid level sensor holder 10.This pipeline 20 is installed on the liquid level sensor holder 10, and an end of pipeline 20 stretches out the inboard of liquid level sensor holder 10, the other end of pipeline 20 and these 30 one-body molded connections of joint, and the tail end of this joint 30 stretches out the outside of liquid level sensor holder 10.Pipeline 20 includes an arc fold bending portion 21 and an extension 22, and this extension 22 stretches out the inboard of liquid level sensor holder 10, and extension 22 is connected with an end of arc fold bending portion 21, and the other end of arc fold bending portion 21 is connected with this joint 30.Carry out expand tube by butt junction 30 and handle, make the external diameter of this joint 30 greater than the external diameter of pipeline 20, and the port of joint 30 is formed with convex closure 31.
And, these pipeline 20 outer sleeves 40 that are set with, this sleeve 40 is located between the internal face of the outside wall surface of pipeline 20 and containing cavity 101, simultaneously, this pipeline 20 radially enlarges and is formed with bulge loop 201, accordingly on the internal face of this sleeve 40 radially indent form flutedly, this bulge loop 201 is embedded in this groove and forms sealing.
In addition, further include O-ring seal 50, sealing circle 50 is clamped between the internal face of the outside wall surface of aforementioned pipeline 20 and containing cavity 101 and forms sealing, and sealing circle 50 makes O-ring seal 50 be positioned in the containing cavity 101 with this between the inner bottom surface of the bottom surface of aforementioned sleeve 40 and containing cavity 101.
The assembling process that present embodiment is described in detail in detail is as follows:
Have two joints 30 in the present embodiment, one of them water supply connector, another water out adapter, the one-body molded respectively pipeline 20 that is communicated with of this two joint 30, and the bottom of this two pipeline 20 (not shown) that communicates with each other, this two joint 30 and then two pipelines 20 are used to import chilled water, so that the urea liquid in the urea box is heated.During this assembling, at first get a body, with the bottom shaping (not shown) of this body; Then, the containing cavity 101 of liquid level sensor holder 10 is passed and the outside of stretching out liquid level sensor holder 10 in the two ends that make this body, and from the two ends of body all successively cover load onto O-ring seal 50 and sleeve 40, O-ring seal 50 and sleeve 40 all are fixed in the containing cavity 101; Then, expand tube and raising bag 31 are all carried out in the two ends of body, to form joint 30; Then, make the two ends arc fold bending of body can make joint 30, pipeline 20 and liquid level sensor holder 10 be assembled into one.
Design focal point of the present utility model is: at first, pipeline and joint are one-body molded to be communicated with by utilizing, the joint of tradition and the mode that pipeline connects by screw thread or welding etc. have been replaced, make being connected firmly between joint and the pipeline, can not occur becoming flexible, the also solderless tape splicing risk of leakage of coming, and assembly and disassembly are easy, give the production of product and user's offering convenience property of use.Secondly, this pipeline and joint are one-body molded to be communicated with by utilizing, simple in structure, has removed joint from and has utilized CNC to carry out the loaded down with trivial details of machine-shaping separately, and manufacturing procedure reduces, and is beneficial to the manufacturing production cost that reduces enterprise.
The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. the syndeton of automobile-used urea level sensor and joint, it is characterized in that: include liquid level sensor holder, pipeline and joint, this piping erection is on this liquid level sensor holder, one end of pipeline stretches out the inboard of liquid level sensor holder, the other end of pipeline is communicated with this joint is one-body molded, and the tail end of this joint stretches out the outside of liquid level sensor holder.
2. the syndeton of automobile-used urea level sensor according to claim 1 and joint, it is characterized in that: described pipeline includes an arc fold bending portion and an extension, this extension stretches out the inboard of liquid level sensor holder, extension is connected with an end of arc fold bending portion, and the other end of arc fold bending portion is connected with this joint.
3. the syndeton of automobile-used urea level sensor according to claim 2 and joint, it is characterized in that: have a containing cavity in the described liquid level sensor holder, this arc fold bending portion is placed in this containing cavity, this pipeline is set with a sleeve outward, and this collet head is located between the internal face of the outside wall surface of pipeline and containing cavity.
4. the syndeton of automobile-used urea level sensor according to claim 3 and joint is characterized in that: described pipeline radially enlarges and is formed with bulge loop, to internal face that should sleeve radially indent form flutedly, this bulge loop is embedded in this groove.
5. the syndeton of automobile-used urea level sensor according to claim 3 and joint, it is characterized in that: further include an O-ring seal, the sealing circle is clamped between the internal face of the outside wall surface of pipeline and containing cavity, and the sealing circle is between the inner bottom surface of the bottom surface of aforementioned sleeve and containing cavity.
6. the syndeton of automobile-used urea level sensor according to claim 1 and joint is characterized in that: the external diameter of described joint is greater than the external diameter of pipeline, and the port of joint is formed with convex closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201414311U CN202048950U (en) | 2011-05-06 | 2011-05-06 | Connection structure between urea liquid level sensor and joint, used for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201414311U CN202048950U (en) | 2011-05-06 | 2011-05-06 | Connection structure between urea liquid level sensor and joint, used for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202048950U true CN202048950U (en) | 2011-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201414311U Expired - Lifetime CN202048950U (en) | 2011-05-06 | 2011-05-06 | Connection structure between urea liquid level sensor and joint, used for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202048950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276290A (en) * | 2015-11-18 | 2016-01-27 | 湖南菲尔斯特传感器有限公司 | Structure for fixing plastic head and heating water pipe of urea sensor and assembling method for structure |
-
2011
- 2011-05-06 CN CN2011201414311U patent/CN202048950U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276290A (en) * | 2015-11-18 | 2016-01-27 | 湖南菲尔斯特传感器有限公司 | Structure for fixing plastic head and heating water pipe of urea sensor and assembling method for structure |
| CN105276290B (en) * | 2015-11-18 | 2017-07-14 | 湖南菲尔斯特传感器有限公司 | Fixed urea sensor plastic head and the structure and its assembly method of heating pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111123 |
|
| CX01 | Expiry of patent term |