CN211599880U

CN211599880U - Vehicle nylon tube quick connector with sealing device

Info

Publication number: CN211599880U
Application number: CN201922253066.2U
Authority: CN
Inventors: 昌爱梅
Original assignee: Yangzhou Tongfa Locomotive Electric Appliance Co ltd
Current assignee: Yangzhou Tongfa Locomotive Electric Appliance Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-29
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a quick connector of automobile-used nylon pipe with sealing device is including connecting plug end and the tip on the nylon pipe respectively, be equipped with on the outer wall of tip along its circumference around the seal receptacle of a week, the external screw thread has in the periphery of seal receptacle, it is connected with sealed lid to slide on the plug end, sealed lid is rotatable in its axial, sealed lid be close have on the inner wall of tip one side with the seal receptacle on the internal thread of external screw-thread fit, the one end that the tip is close to the plug end is equipped with fast plug buckle, the one end that the tip is close to the tip is equipped with fast plug shell, be equipped with on the inner wall of fast plug shell and detain the complex fast buckle of inserting with fast plug buckle. The connector can be quickly inserted, installed and detached, can be sealed, and is good in stability.

Description

Vehicle nylon tube quick connector with sealing device

Technical Field

The utility model relates to a vehicle articles for use technical field, concretely relates to automobile-used nylon tube quick connector with sealing device.

Background

Various vehicles are provided with a large number of signal lines, electric wires, air guide pipes and liquid pipelines, the pipelines are distributed in a narrow space of an internal structure of the vehicle, if the pipelines are not directly contacted with parts of the vehicle body in an additional protection mode, the pipelines are easily abraded due to factors such as vibration friction and the like during the driving of the vehicle, and adverse consequences such as signal interruption, electric leakage, air leakage and water leakage can occur after the abrasion, so that a protective structure needs to be coated outside a functional pipeline, a protective pipeline of an outer sleeve is usually adopted in practical application, and the most commonly used pipeline is a nylon pipeline.

The nylon tube has the advantages of corrosion resistance, long service life, lower cost than a metal tube and the like. And because the nylon tube is soft and easy to bend, the nylon tube is very suitable for being used on a vehicle pipeline. The nylon tube and the related equipment and the nylon tube are connected by using joints. The number of connectors on the vehicle is large, the installation workload is large, and the requirement on the installation stability is high.

Disclosure of Invention

For overcoming the not enough of prior art, the utility model provides a quick connector of automobile-used nylon tube with sealing device, it can peg graft installation and dismantlement fast to can seal, stability is better.

In order to realize the above-mentioned purpose, the utility model discloses a quick connector of automobile-used nylon tube with sealing device, including connecting plug end and the tip of connecting on the nylon tube respectively, be equipped with on the outer wall of tip along its circumference around the seal receptacle of a week, the external screw thread has in the periphery of seal receptacle, it is connected with sealed lid to slide on the plug end, sealed lid is rotatable in its axial direction, sealed lid have on being close to the inner wall of tip one side with the seal receptacle on the internal thread of screw-thread fit, the one end that the tip is close to the plug end is equipped with fast plug buckle, the one end that the tip is close to the tip is equipped with fast shell of inserting, be equipped with on the inner wall of fast shell of inserting and detain the complex fast buckle.

Furthermore, the joint end is positioned between the sealing seat and the quick inserting buckle and is connected with a piston ring in a sliding manner, and the inner wall of the quick inserting shell is provided with an accommodating groove for the deformation and folding of the quick inserting buckle ring.

Furthermore, one end of the piston ring close to the sealing seat is provided with a cutting angle, the piston ring is sleeved with a detachable and turnable extrusion ring, and the top side of the extrusion ring is provided with an inclined extrusion surface.

Further, the radial length of the piston ring is equal to the distance between the outer end of the quick insertion buckle ring and the sealing seat when the quick insertion buckle is inserted in the quick insertion buckle ring.

Furthermore, a plurality of O-shaped rings are arranged on the outer wall of the plug end, which is positioned in the quick-insertion shell.

Furthermore, one side of the joint end, which deviates from the quick-insertion buckle, is provided with a holding part, and the holding part is provided with a rough outer surface.

Furthermore, one end, far away from the quick-insertion shell, of the plug end is provided with a limiting ring for limiting the separation of the sealing cover, and one side, facing the limiting ring, of the sealing cover is provided with a limiting sleeve matched with the sealing cover.

The utility model discloses a quick connector of automobile-used nylon tube with sealing device can peg graft the installation fast and dismantle to can seal, stability is better.

Drawings

The invention will be further described and illustrated with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a nylon tube quick connector with a sealing device for a vehicle according to a preferred embodiment of the present invention in a separated state;

fig. 2 is a schematic structural view of a vehicle nylon tube quick connector with a sealing device according to a preferred embodiment of the present invention in a combined state;

fig. 3 is a schematic structural view of a detachable state of a nylon tube quick connector with a sealing device according to a preferred embodiment of the present invention.

Reference numerals: 1. a nylon tube; 2. a plug end; 21. an O-shaped ring; 22. a limiting ring; 3. a joint end; 31. a grip portion; 4. a sealing seat; 5. a sealing cover; 51. a limiting sleeve; 6. quickly inserting a buckle; 7. quickly inserting the shell; 71. a snap ring is inserted quickly; 72. accommodating grooves; 8. an expansion ring; 81. cutting corners; 9. extruding a ring; 91. and (5) extruding the surface.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses a quick connector of automobile-used nylon tube with sealing device of preferred embodiment, including connecting plug end 2 and joint end 3 on nylon tube 1 respectively, be equipped with on the outer wall of joint end 3 and encircle the seal receptacle 4 of a week along its circumference, the external screw thread has in the periphery of seal receptacle 4, plug end 2 slides upward and is connected with sealed lid 5, sealed lid 5 is rotatable in its axial, sealed lid 5 is close to have on the inner wall of joint end 3 one side with seal receptacle 4 external screw thread complex internal thread, can fix it on seal receptacle 4 through rotating sealed lid 5, reach sealed effect.

As shown in fig. 1, a quick-insertion buckle 6 is disposed at an end of the connector end 3 close to the plug end 2, a quick-insertion housing 7 is disposed at an end of the plug end 2 close to the connector end 3, and a quick-insertion buckle ring 71 engaged with the quick-insertion buckle 6 is disposed on an inner wall of the quick-insertion housing 7. The outer wall of the plug end 2 in the quick-insertion shell 7 is provided with a plurality of O-rings 21. The connection of the connector end 3 and the plug end 2 is realized rapidly through the insertion and matching of the quick insertion buckle 6 and the quick insertion buckle ring 71.

As shown in fig. 2, a piston ring 8 is slidably connected between the sealing seat 4 and the quick-insertion buckle 6 on the joint end 3, and a receiving groove 72 for the quick-insertion buckle 71 to deform and fold is formed on the inner wall of the quick-insertion shell 7. The piston ring 8 is sleeved with a detachable and overturned extrusion ring 9, and the extrusion ring 9 is a rubber ring with elasticity and enough hardness. The top side of the extrusion ring 9 is provided with an inclined extrusion surface 91, one end of the piston ring 8 close to the seal seat 4 is provided with a chamfer 81, and the radial length of the piston ring 8 is equal to the distance between the outer end of the quick insert buckle 71 and the seal seat 4 when the quick insert buckle 6 is inserted in the quick insert buckle 71. The length of the pressing ring 9 in the radial direction is equal to the distance between the outer end of the quick plug-in housing 7 and the sealing seat 4 when the quick plug-in buckle 6 is inserted into the quick plug-in buckle 71.

As shown in fig. 2 and 3, when the connector end 3 is mated with the plug end 2, the piston ring 8 is moved to one side of the sealing seat 4, then the flat surface of the extrusion ring 9 is sleeved on the piston ring 8, and then the quick-insertion buckle 6 is inserted into the quick-insertion buckle ring 71 to realize fixation. When disassembly is needed, the extrusion ring 9 is taken down, the end with the extrusion surface 91 is turned over to be aligned to the piston ring 8, the extrusion surface 91 is attached to the chamfer 81, force is applied to extrude the piston ring 8 to slide towards the quick-insertion buckle ring 71, the quick-insertion buckle ring 71 is extruded to deform and contract to enter the accommodating groove 72, and therefore locking of the quick-insertion buckle ring 71 on the quick-insertion buckle 6 can be released, and the plug end 2 and the joint end 3 can be disassembled quickly.

As shown in fig. 1, a side of the connector end 1 facing away from the quick-insertion buckle 6 is provided with a holding portion 31, and the holding portion 31 has a rough outer surface.

As shown in fig. 1, one end of the plug end 2 away from the quick-insertion housing 7 is provided with a limiting ring 22 for limiting the separation of the sealing cover 5, and one side of the sealing cover 5 facing the limiting ring 22 is provided with a limiting sleeve 51 matched with the limiting ring.

The above detailed description merely describes the preferred embodiments of the present invention and does not limit the scope of the present invention. Without departing from the design concept and spirit scope of the present invention, the ordinary skilled in the art should belong to the protection scope of the present invention according to the present invention provides the text description and drawings to the various modifications, replacements and improvements made by the technical solution of the present invention. The scope of protection of the present invention is determined by the claims.

Claims

1. The utility model provides a quick connector of automobile-used nylon tube with sealing device, is including connecting plug end and joint end on the nylon tube respectively, its characterized in that, be equipped with on the outer wall of joint end along its circumference around the seal receptacle of a week, the external screw thread has in the periphery of seal receptacle, it is connected with sealed lid to slide on the plug end, sealed lid is rotatable in its axial, sealed lid be close have on the inner wall of joint end one side with the seal receptacle on the internal thread of screw-thread fit, the one end that the joint end is close to the plug end is equipped with fast plug buckle, the one end that the plug end is close to the joint end is equipped with fast insert the shell, be equipped with on the inner wall of fast insert the shell with fast plug buckle complex fast insert the buckle.

2. The nylon tube quick connector with sealing device as claimed in claim 1, wherein the joint end is slidably connected with a piston ring between the sealing seat and the quick plug-in buckle, and the inner wall of the quick plug-in shell is provided with a receiving groove for the quick plug-in buckle to deform and fold in.

3. The nylon tube quick connector with the sealing device for the vehicle as claimed in claim 2, wherein one end of the piston ring close to the sealing seat is provided with a chamfer, the piston ring is sleeved with a detachable and overturned extrusion ring, and the top side of the extrusion ring is provided with an inclined extrusion surface.

4. The nylon tube quick connector with sealing device for vehicle as claimed in claim 3, wherein the radial length of the piston ring is equal to the distance between the outer end of the quick plug-in buckle ring and the sealing seat when the quick plug-in buckle is inserted in the quick plug-in buckle ring.

5. The nylon tube quick connector with sealing device of claim 4, wherein the length of the extrusion ring in the radial direction is equal to the distance between the outer end of the quick plug shell and the sealing seat when the quick plug-in buckle is inserted into the quick plug-in buckle ring.

6. The nylon tube quick connector with the sealing device for the vehicle as claimed in claim 1, wherein the outer wall of the quick connector end inside the quick connector shell is provided with a plurality of O-rings.

7. The nylon tube quick connector with the sealing device for the vehicle as claimed in claim 1, wherein a side of the connector end facing away from the quick connector buckle is provided with a holding part, and the holding part has a rough outer surface.

8. The nylon tube quick connector with the sealing device for the vehicle as claimed in claim 1, wherein the end of the plug end away from the quick connector housing is provided with a limiting ring for limiting the separation of the sealing cover, and a side of the sealing cover facing the limiting ring is provided with a limiting sleeve engaged with the limiting ring.