CN204358307U - A kind of quick inserting joint and air brake piping - Google Patents
A kind of quick inserting joint and air brake piping Download PDFInfo
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- CN204358307U CN204358307U CN201420796188.0U CN201420796188U CN204358307U CN 204358307 U CN204358307 U CN 204358307U CN 201420796188 U CN201420796188 U CN 201420796188U CN 204358307 U CN204358307 U CN 204358307U
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- quick inserting
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- inserting joint
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Abstract
The utility model relates to a kind of quick inserting joint and air brake piping, wherein quick inserting joint comprises: plastic joint body (1) and metal liner (3), the two ends of described plastic joint body (1) are respectively fast spigot and pipe connects end, and described metal liner (3) is embedded in the endoporus of described fast spigot.The quick inserting joint of the utility model embodiment alleviates to some extent than the weight of metal quick inserting joint, simultaneously high than plastics quick inserting joint intensity again, and the decay resistance of quick inserting joint appearance can be strengthened, the material achieving quick inserting joint main body under safing prerequisite transfers plastics to by metal, also makes the conformity of quick inserting joint outward appearance and aesthetic property be improved in addition.
Description
Technical field
The utility model relates to pipe joint technical field, particularly relates to a kind of quick inserting joint and air brake piping.
Background technique
Gas circuit plastics quick inserting joint in the market mainly contains two kinds: a kind of is bamboo joint type connecting leg quick inserting joint, locks use; Another is directly-inserted quick connector, and joint is contained on commercial car valve body, and braking tracheae blank pipe inserts joint auto lock and connects.
Bamboo joint type connecting leg is wherein inserted male connector soon and is also divided into two kinds by material: metal quick inserting joint (steel or copper) and plastics quick inserting joint; Divide by fast slotting diameter specifications and can be divided into five kinds: namely insert connection diameter (unit: mm) soon and be about 15,10,9.4,8,6.3 equal-specifications.
Metal quick inserting joint intensity is higher, but weight is comparatively large, is not suitable for the stricter occasion of weight demands, and not corrosion-resistant, and Long-Time Service gets rusty easily.Although male connector inserted soon by plastics can solve these defects of metal quick inserting joint, the plastics applied in the market are inserted male connector soon and are only had 15 specifications, and its intensity can meet the normal usage requirement of quick inserting joint entrucking; And other as 10,9.4,8,6.3 equal-specifications because diameter is less, intensity cannot reach entrucking requirement, and especially wall thickness thin location fracture easily occurs causes car brakeing to be lost efficacy, and this makes plastics quick inserting joint market temporarily also not occurring small dimension.
Model utility content
The purpose of this utility model proposes a kind of quick inserting joint and air brake piping, can obtain higher intensity while alleviating quick inserting joint weight.
For achieving the above object, the utility model provides a kind of quick inserting joint on the one hand, comprise: plastic joint body 1 and metal liner 3, the two ends of described plastic joint body 1 are respectively fast spigot and pipe connects end, and described metal liner 3 is embedded in the endoporus of described fast spigot.
Further, described metal liner 3 is coaxially embedded in the endoporus of described fast spigot.
Further, the mode that described metal liner 3 is embedded in the endoporus of described fast spigot is integrated molding and forming or pressing.
Further, the fast slotting diameter of described quick inserting joint is below 10mm.
Further, also comprise seal ring 2, described seal ring 2 is embedded in the annular groove that arranges on described fast spigot outer wall.
Further, described seal ring 2 arranges more than two along the axis at intervals of described fast spigot.
Further, the outer wall that described pipe connects end is provided with ring hangnail.
Further, described quick inserting joint is through-type quick inserting joint, rectangular shape quick inserting joint, T-shaped tee joint quick-insertion connector or F type tee joint quick-insertion connector.
For achieving the above object, the utility model provides a kind of air brake piping on the other hand, and valve body 4 is provided with the negative joint matched with the fast spigot of above-mentioned quick inserting joint 5, and pipe connects end and is connected with nylon tube 6.
Further, described negative joint comprises: coupling sleeve 7 and elastic collar 8, described valve body 4 is offered porose, and described elastic collar 8 is arranged at the bottom of hole, can insert the laggard row axial limiting that puts in place at described fast spigot; Described coupling sleeve 7 is arranged on above described elastic collar 8, and the outside thread that the outer wall of described coupling sleeve 7 is arranged matches with the internal thread that the hole wall of described valve body 4 is arranged, and described coupling sleeve 7 can be fixed on described valve body 4.
Based on technique scheme, the quick inserting joint of the utility model embodiment, by the fast spigot inside embedded with metal bushing pipe at plastic joint body, alleviate to some extent than the weight of metal quick inserting joint, simultaneously high than plastics quick inserting joint intensity again, and the decay resistance of quick inserting joint appearance can be strengthened, the material of main part achieving quick inserting joint under safing prerequisite transfers plastics to by metal, also makes the conformity of quick inserting joint outward appearance and aesthetic property be improved in addition.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 be the through-type embodiment of the utility model quick inserting joint partly cut open structural representation;
Fig. 2 be the rectangular shape embodiment of the utility model quick inserting joint partly cut open structural representation;
Fig. 3 is the entrucking phase diagram of the through-type embodiment of the utility model quick inserting joint;
Fig. 4 is the entrucking phase diagram of the rectangular shape embodiment of the utility model quick inserting joint.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Metal or plastic material is generally chosen for the quick inserting joint of connecting pipeline in prior art, in order to reach higher join strength, metal quick inserting joint can be selected, but its weight more greatly and easily corrode, having weight in the occasion of strict demand or the stronger environment of corrosivity and should not use.And although plastics quick inserting joint is lightweight, but intensity is more weak relative to metal, when the quick inserting joint less for specification, such as insert connection diameter (unit: mm) soon and be about 10,9.4,8,6.3 specifications, tube wall is too thin can not meet requirement of strength, thus bring potential safety hazard to air brake piping, thus market is not broken through temporarily the bottleneck with plastic processing small dimension quick inserting joint.The utility model proposes a kind of new quick inserting joint to solve this problem of the prior art, under the premise that security is guaranteed, can transfer the quick inserting joint of any specification used in reality to plastic materials by metallic material.
The utility model provides a kind of quick inserting joint, as depicted in figs. 1 and 2, comprising: plastic joint body 1 and metal liner 3, and the two ends of plastic joint body 1 are respectively fast spigot and pipe connects end, and metal liner 3 is embedded in the endoporus of fast spigot.Metal liner 3 is for having the thin metallic tubd of certain external diameter, wall thickness and length, external diameter, wall thickness and length parameter generally design according to the specification of quick inserting joint and required intensity, in prior art, regulation outer diameter tube is greater than 20 with the ratio of pipeline wall thickness and is thin walled tube, but those skilled in the art can be not limited to the definition of prior art to thin walled tube when designing.
The quick inserting joint of the utility model embodiment, by the fast spigot inside embedded with metal bushing pipe at plastic joint body, alleviate to some extent than the weight of metal quick inserting joint, simultaneously high than plastics quick inserting joint intensity again, and the decay resistance of quick inserting joint appearance can be strengthened, the material of main part achieving quick inserting joint under safing prerequisite transfers plastics to by metal, also makes the conformity of quick inserting joint outward appearance and aesthetic property be improved in addition.
Preferably, metal liner 3 is coaxially embedded in the endoporus of fast spigot, and the mode of coaxially inlaying can make the stressed more even of tube wall circumference, but also allows the injection moulding deviation and the machining error that there is certain limit during fabrication.
Following embodiment is used for setting forth in air brake piping for quick inserting joint, and as shown in Figure 3 and Figure 4, now the function of quick inserting joint is connected on valve body 4 by nylon tube 6, and it also can be applied to and realize in the pneumatic pipeline of other function certainly.
Quick inserting joint conventional in engineering reality is generally through-type quick inserting joint, rectangular shape quick inserting joint, T-shaped tee joint quick-insertion connector or F type tee joint quick-insertion connector etc., Fig. 1 be the through-type embodiment of the utility model quick inserting joint partly cut open structural representation, fast spigot and pipe connect the central axes of end; Fig. 2 be the rectangular shape embodiment of the utility model quick inserting joint partly cut open structural representation, fast spigot and pipe connect the central axis upright of end; Also can be that fast spigot connects with pipe the quick inserting joint holding into other angle in addition.For the quick inserting joint of these types, the mosaic mode of its metal liner 3 and the mounting type in pneumatic pipeline all identical.
Wherein, metal liner 3 can be embedded in the endoporus of fast spigot of plastic joint body 1 by the technology that one embedding and injection molding is shaping, and embedding and injection molding is that thin metallic tubd is put into injection mould, is holistic technique by metal tube and moulding single injection-molded.In addition, the mode of pressing can also be adopted to inlay, as long as those skilled in the art are easy to the processing mode realized.In addition, metal liner 3 need selection intensity comparatively high energy meet usage requirement, and be easy to the material being processed as light wall pipe, preferably, can according to actual selection steel, aluminum alloy or titanium alloy.
The quick inserting joint used in reality divides according to fast slotting diameter can be divided into five kinds of specifications: namely inserting connection diameter (unit: mm) is soon 15,10,9.4,8,6.3 equal-specifications.It is the specification of 15mm that the quick inserting joint of all embodiments of the utility model can make fast slotting diameter, compared to metal quick inserting joint of the prior art, alleviate weight, and improve corrosion resistance, compared to plastics quick inserting joint of the prior art, join strength can be improved further, and then improve working life.Simultaneously, it is the specification of below 10mm that the quick inserting joint of all embodiments of the utility model can make fast slotting diameter, comprise conventional 10mm, 9.4mm, 8mm and 6.3mm equal-specification, compare and metal quick inserting joint of the prior art, further mitigate weight, and improve corrosion resistance, the more important thing is the technical bottleneck solving in prior art and the following specification of plastic processing 10mm can not be adopted to meet the quick inserting joint of requirement of strength, and owing to being subject to the support of metal liner 3, quick inserting joint possesses higher intensity, can ensure the safety used.
In another embodiment of the present utility model, quick inserting joint also comprises seal ring 2, and seal ring 2 is embedded in the annular groove that arranges on fast spigot outer wall, can improve the sealing of quick inserting joint like this, prevent gas leakage, seal ring 2 can select rubber material.In order to reach more excellent sealing effect further, seal ring 2 can be arranged more than two along the axis at intervals of fast spigot, this will process the annular groove of equal number accordingly on the outer wall of fast spigot.
In another embodiment of the present utility model, the outer wall that the pipe of plastic joint body 1 connects end is provided with ring hangnail, for being connected with nylon tube or other pneumatic tube, actual when using, by in ring hangnail press-in nylon tube, then lock element enhanced leaktightness and fixed effect.
Quick inserting joint due to the utility model embodiment is insert in the endoporus of valve body 4 in use, and thus also can be described as fast slotting male connector, the valve body 4 coordinated with it is negative joint, if be applied in vehicle, valve body 4 also can be described as vehicle-mounted valve body.Correspondingly, plastic joint body 1 also can be described as plastics and inserts male connector body soon, is the abbreviation that male connector main body inserted soon by plastics.The outer wall connecing end for pipe is provided with the quick inserting joint embodiment of ring hangnail, also can be described as bamboo joint type and inserts male connector soon, be straight-through bamboo joint type insert male connector soon for the embodiment shown in Fig. 1, be right angle bamboo joint type insert male connector soon for the embodiment shown in Fig. 2.In a kind of specific embodiment, this quick inserting joint chooses A type, also can need according to mounting interface the model choosing other.
In addition, the utility model additionally provides a kind of air brake piping, the entrucking phase diagram of the through-type embodiment of the utility model quick inserting joint as shown in Figure 3, with the entrucking phase diagram of the rectangular shape embodiment of the utility model quick inserting joint shown in Fig. 4, valve body 4 is provided with the negative joint matched with the fast spigot of above-mentioned quick inserting joint 5, and pipe connects end and is connected with nylon tube 6.Accordingly, the quick inserting joint 5 of above-described embodiment is male connector.
This kind of air brake piping is preferably applied in commercial heavy truck, also can be used in the various vehicles of other type or need the occasion by gas braking.According to the physical location of vehicle upper valve body 4 with other line arrangement, the through-type quick inserting joint shown in Fig. 1 can be selected, also can select the rectangular shape quick inserting joint shown in Fig. 2, or also can be that fast spigot connects with pipe the quick inserting joint holding into other angle.In addition, T-shaped tee joint quick-insertion connector or F type tee joint quick-insertion connector etc. can also be selected.
Because quick inserting joint of the present utility model can reach higher intensity with lighter weight, and there is stronger corrosion resistance, be suitable for the fast of all size and insert connection diameter, so the air brake piping adopting this kind of quick inserting joint to connect also has lightweight, join strength is high, the advantage of corrosion-resistant and beautiful shape, ensure that the reliability of commercial heavy truck or other car brakeing, also extend working life simultaneously, braking failure can not be caused by mechanical stress makes weak part rupture for a long time because of quick inserting joint, also the life-span of air brake piping can not be shortened due to corrosion.
More specifically, in the preferred Placement of one, as shown in Figure 3 and Figure 4, pipe connects end with in ring hangnail press-in nylon tube 6, can also lock element and strengthen fixing and sealing effect.The negative joint be arranged on valve body 4 comprises: coupling sleeve 7 and elastic collar 8, and valve body 4 is offered porose, elastic collar 8 is arranged at the bottom of hole, can insert the laggard row axial limiting that puts in place at fast spigot; Coupling sleeve 7 is arranged on above elastic collar 8, and the outside thread that the outer wall of coupling sleeve 7 is arranged matches with the internal thread that the hole wall of valve body 4 is arranged, and coupling sleeve 7 can be fixed on valve body 4.Preferably, coupling sleeve 7 connects end side near pipe and is provided with the slightly large boss of diameter, can limit the degree of depth that quick inserting joint is selected into valve body 4 endoporus.
Preferably, in the cavity formed, a circle sealing filler is along the circumferential direction set, the effect spacing to the termination of fast spigot can be played between the tapered end and the mounting hole of valve body 4 of the fast spigot of quick inserting joint, also can play the effect of sealing simultaneously.When vehicle needs braking, gas is drawn from the exhaust port of valve body 4, sealing filler makes gas can only import nylon tube 6 from the center hole of quick inserting joint, when if gas enters the tapered end of fast spigot from valve body 4, there occurs a small amount of gas leakage, also can be sealed further by the seal ring 2 being arranged on fast spigot outer wall, when gas by pipe connect end enter nylon tube 6 time, the setting of ring hangnail also can play sealing effect, so just can ensure that whole air brake piping has good tightness, decrease the leakage rate of gas, improve the reliability of car brakeing.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to embodiment of the present utility model or carry out equivalent replacement to portion of techniques feature; And do not depart from the spirit of technical solutions of the utility model, all should be encompassed in the utility model request protection technological scheme scope in the middle of.
Claims (10)
1. a quick inserting joint, it is characterized in that, comprise: plastic joint body (1) and metal liner (3), the two ends of described plastic joint body (1) are respectively fast spigot and pipe connects end, and described metal liner (3) is embedded in the endoporus of described fast spigot.
2. quick inserting joint according to claim 1, is characterized in that, described metal liner (3) is coaxially embedded in the endoporus of described fast spigot.
3. quick inserting joint according to claim 1, is characterized in that, the mode that described metal liner (3) is embedded in the endoporus of described fast spigot is integrated molding and forming or pressing.
4. according to the arbitrary described quick inserting joint of claims 1 to 3, it is characterized in that, the fast slotting diameter of described quick inserting joint is below 10mm.
5. according to the arbitrary described quick inserting joint of claims 1 to 3, it is characterized in that, also comprise seal ring (2), described seal ring (2) is embedded in the annular groove that arranges on described fast spigot outer wall.
6. quick inserting joint according to claim 5, is characterized in that, described seal ring (2) arranges more than two along the axis at intervals of described fast spigot.
7., according to the arbitrary described quick inserting joint of claims 1 to 3, it is characterized in that, the outer wall that described pipe connects end is provided with ring hangnail.
8., according to the arbitrary described quick inserting joint of claims 1 to 3, it is characterized in that, described quick inserting joint is through-type quick inserting joint, rectangular shape quick inserting joint, T-shaped tee joint quick-insertion connector or F type tee joint quick-insertion connector.
9. an air brake piping, is characterized in that, the negative joint that the fast spigot that valve body (4) is provided with described quick inserting joint (5) arbitrary with claim 1 ~ 8 matches, and pipe connects end and is connected with nylon tube (6).
10. air brake piping according to claim 9, it is characterized in that, described negative joint comprises: coupling sleeve (7) and elastic collar (8), described valve body (4) is offered porose, described elastic collar (8) is arranged at the bottom of hole, can insert the laggard row axial limiting that puts in place at described fast spigot; Described coupling sleeve (7) is arranged on described elastic collar (8) top, the outside thread that the outer wall of described coupling sleeve (7) is arranged matches with the internal thread that the hole wall of described valve body (4) is arranged, and described coupling sleeve (7) can be fixed on described valve body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796188.0U CN204358307U (en) | 2014-12-16 | 2014-12-16 | A kind of quick inserting joint and air brake piping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796188.0U CN204358307U (en) | 2014-12-16 | 2014-12-16 | A kind of quick inserting joint and air brake piping |
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| Publication Number | Publication Date |
|---|---|
| CN204358307U true CN204358307U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420796188.0U Active CN204358307U (en) | 2014-12-16 | 2014-12-16 | A kind of quick inserting joint and air brake piping |
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| CN (1) | CN204358307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716579A (en) * | 2018-05-23 | 2018-10-30 | 河北亚大汽车塑料制品有限公司 | A kind of quick connector with test side |
| GB2587792A (en) | 2019-08-16 | 2021-04-14 | Bows Peter | Improvements in single part water piping and plumbing |
-
2014
- 2014-12-16 CN CN201420796188.0U patent/CN204358307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716579A (en) * | 2018-05-23 | 2018-10-30 | 河北亚大汽车塑料制品有限公司 | A kind of quick connector with test side |
| GB2587792A (en) | 2019-08-16 | 2021-04-14 | Bows Peter | Improvements in single part water piping and plumbing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |