CN211175817U

CN211175817U - Quick connector

Info

Publication number: CN211175817U
Application number: CN201921712418.XU
Authority: CN
Inventors: 段国进; 邓文锋; 梁黎冰; 邹训鹏; 吴仁兴; 周永凯; 蔡小玲; 陈平菊; 韦彩妹; 冯秋敏; 黄廷平; 顾永良; 王红周
Original assignee: Zhongshan Filterpro Environmental Protection Technology LLC
Current assignee: Zhongshan Filterpro Environmental Protection Technology LLC
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-08-04
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a quick connector, including the quick connector main part, the quick connector main part includes: the hose connecting part is connected to the hose and internally provided with a first conveying channel communicated with the hose; hard tube connecting portion, hard tube connecting portion connect in hose connecting portion, have the second transfer passage who is linked together with first transfer passage in the hard tube connecting portion, and hard tube connecting portion have one can pull out the first end of pegging graft of inserting, and first end detachably of pegging graft inserts and locates in the hard tube and make hard tube and second transfer passage be linked together. When the filter core of water purifier needs to be changed, only need to extract the first end of pegging graft on the hard tube connecting portion from the hard tube, change finish after with first peg graft end insert in the hard tube again can, whole process need not to carry out the dismouting to the hose of connecting in hose connecting portion for the simple and easily operation of process of changing the filter core of water purifier is favorable to improving the efficiency of changing the filter core of water purifier.

Description

Quick connector

Technical Field

The utility model relates to a water purifier field, in particular to quick connector.

Background

Conventional water purifier, in order to reduce occupation space, the volume is less usually, leads to its inside installation space comparatively limited, consequently often needs to transport the hard tube switching of water for the hose, and the rethread hose is transported water to narrow and small installation space in the adaptation water purifier.

Among the prior art, generally be adapter of fixed connection on the hard tube, be provided with hose nipple on the adapter, the hose passes through hose nipple and communicates in the hard tube, when the filter core of water purifier is changed to needs, needs the dismouting to connect in hose nipple's hose, but the connection structure between hose nipple and the hose is more complicated, and the dismouting is inconvenient, has reduced the efficiency of changing the filter core of water purifier.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a need not quick connector of dismouting hose.

According to the utility model discloses a first aspect provides a quick connector, including the quick connector main part, the quick connector main part includes:

the hose connecting part is connected to a hose, and a first conveying channel communicated with the hose is arranged in the hose connecting part;

the hard tube connecting part is connected to the hose connecting part, a second conveying channel communicated with the first conveying channel is arranged in the hard tube connecting part, the hard tube connecting part is provided with a first plugging end capable of being plugged, and the first plugging end is detachably plugged in the hard tube and enables the hard tube to be communicated with the second conveying channel.

The quick connector has the following beneficial effects: when the filter element of the water purifier needs to be replaced, only the first inserting end on the hard pipe connecting part is extracted from the hard pipe, and the first inserting end is inserted into the hard pipe after replacement is finished, so that the whole process is not required to be connected with the hose of the hose connecting part for dismounting, the process for replacing the filter element of the water purifier is simple and easy to operate, and the efficiency for replacing the filter element of the water purifier is improved.

According to the utility model discloses a quick connector, hose connection portion include connecting main part and locking knob, first transfer passage set up in the connecting main part, the last second end of pegging graft that is equipped with of connecting main part, the tip of second end of pegging graft is equipped with the first annular bellying that has the slope spigot surface, pass through between second end of pegging graft and the hose first annular bellying tight fit, locking knob spiro union in connecting main part and correspondence the second end of pegging graft is equipped with dodges the through-hole, just correspond in the locking knob first annular bellying is equipped with the slope thrust surface. The second inserting end is inserted into the hose through the guiding effect of the inclined guide surface on the first annular bulge, the second inserting end is tightly matched with the hose through the first annular bulge, the locking knob is screwed, the inclined pushing surface can extrude the first annular bulge, the hose is clamped between the inclined pushing surface and the first annular bulge, and the joint of the second inserting end and the hose is sealed through the extrusion between the inclined pushing surface and the first annular bulge.

According to the utility model discloses an aspect a quick connector, first grafting is served and is equipped with second annular bulge, pass through between first grafting end and the hard tube second annular bulge tight fit, and pass through second annular bulge realizes first grafting end is sealed with the hard tube junction.

According to the utility model discloses a quick connector, hard tube connecting portion are L types to form an elbow structure, realized the switching-over, be convenient for adapt to actual installation environment.

According to the utility model discloses an aspect a quick connector, the department of buckling of hard tube connecting portion is equipped with the strengthening rib, in order to strengthen the intensity of the department of buckling of hard tube connecting portion.

According to the utility model discloses the first aspect a quick connector, hose connection portion with the hard tube connecting portion are split type structure, hose connection portion insert locate hard tube connecting portion and with hard tube connecting portion tight-fitting. Can correspond not unidimensional hose or hard tube according to actual conditions, change not unidimensional hose connecting portion or hard tube connecting portion, be favorable to improving the commonality.

According to the utility model discloses an aspect a quick connector, hose connection portion insert locate one end in the second transfer passage has first step and second step, be equipped with in the second transfer passage with first step with second step assorted stair structure, second transfer passage's inner wall corresponds the lateral wall of second step is equipped with protruding rib, the second step with pass through between the second transfer passage protruding rib tight fit. The sealing structure is simple, and the first step and the second step are matched with the step structure in the second conveying channel, so that the sealing between the hose connecting part and the hard pipe connecting part is facilitated.

According to the utility model discloses an aspect a quick connector, hose connecting portion with be equipped with seal structure in the junction between the hard tube connecting portion.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an exploded state diagram of FIG. 1;

fig. 4 is a schematic cross-sectional view of fig. 3.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number.

If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, a quick-connect coupling includes a quick-connect coupling main body, which includes:

a hose connecting part 10, wherein the hose connecting part 10 is connected to a hose, and a first conveying channel 11 communicated with the hose is arranged in the hose connecting part 10;

the hard tube connecting part 20 is connected to the hose connecting part 10, a second conveying channel 21 communicated with the first conveying channel 11 is arranged in the hard tube connecting part 20, the hard tube connecting part 20 is provided with a first plugging end 22 capable of being plugged, and the first plugging end 22 is detachably plugged in the hard tube to enable the hard tube to be communicated with the second conveying channel 21.

When the filter core of water purifier needs to be changed, only need to extract first grafting end 22 on hard tube connecting portion 20 from the hard tube, change finish after with first grafting end 22 insert in the hard tube again can, whole process need not to carry out the dismouting to the hose of connecting in hose connecting portion 10 for the simple and easily operation of process of the filter core of changing water purifier is favorable to improving the efficiency of the filter core of changing water purifier.

Referring to fig. 1 to 4, in some embodiments, the hose connecting portion 10 includes a connecting body 12 and a locking knob 13, the first conveying channel 11 is disposed in the connecting body 12, the connecting body 12 is provided with a second inserting end 121, an end of the second inserting end 121 is provided with a first annular protrusion 1211 having an inclined guide surface, the second inserting end 121 and the hose are tightly fitted through the first annular protrusion 1211, the locking knob 13 is screwed to the connecting body 12 and is provided with an avoiding through hole 131 corresponding to the second inserting end 121, and the locking knob 13 is provided with an inclined pushing surface 132 corresponding to the first annular protrusion 1211. The second plug end 121 is inserted into the hose by the guiding action of the inclined guiding surface on the first annular projection 1211, the second plug end 121 is tightly matched with the hose by the first annular projection 1211, the inclined pushing surface 132 can press the first annular projection 1211 during the process of screwing the locking knob 13, so that the hose is clamped between the inclined pushing surface 132 and the first annular projection 1211, and the sealing of the joint of the second plug end 121 and the hose is realized by the pressing between the inclined pushing surface 132 and the first annular projection 1211.

Referring to fig. 1 to 4, in some embodiments, the first plugging end 22 is provided with a second annular bulge 221, the first plugging end 22 is tightly fitted with the hard tube through the second annular bulge 221, and the joint of the first plugging end 22 and the hard tube is sealed through the second annular bulge 221.

Referring to fig. 1-4, in some embodiments, the hard tube connector 20 is shaped L to form an elbow structure, which allows for a change in direction to accommodate the actual installation environment.

Referring to fig. 1 and 3, in some embodiments, the bend of the hard tube connecting part 20 is provided with a reinforcing rib 23 to reinforce the strength of the bend of the hard tube connecting part 20.

Referring to fig. 2 to 4, in some embodiments, the hose connecting portion 10 and the hard pipe connecting portion 20 are of a split structure, and the hose connecting portion 10 is inserted into the hard pipe connecting portion 20 and is tightly fitted to the hard pipe connecting portion 20. According to the practical situation, the hose connecting parts 10 or the hard pipe connecting parts 20 with different sizes can be replaced corresponding to hoses or hard pipes with different sizes, and the universality is improved.

Referring to fig. 2 to 4, in some embodiments, the end of the hose connecting portion 10 inserted into the second conveying passage 21 has a first step 122 and a second step 123, a step structure matched with the first step 122 and the second step 123 is provided in the second conveying passage 21, a convex rib 211 is provided on the inner wall of the second conveying passage 21 corresponding to the side wall of the second step 123, and the second step 123 and the second conveying passage 21 are tightly fitted through the convex rib 211. The structure is simple, and the matching of the first step and the second step with the step structure in the second conveying channel 21 is beneficial to the sealing between the hose connecting part 10 and the hard pipe connecting part 20.

It should be noted that in some of the embodiments, the hose connection portion 10 is connected to the second conveying passage 21 by a screw thread.

In some of these embodiments, a sealing structure is provided at the connection between the hose connection 10 and the wand connection 20.

It should be noted that, in some embodiments, the sealing structure may be an elastic sealing ring, or may also be a sealant or other structures, which is not limited herein.

The above description specifically describes the preferred embodiments of the present invention, but of course, the present invention can also adopt different forms from the above embodiments, and equivalent changes or corresponding modifications made by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a quick connector, includes quick connector main part, its characterized in that, quick connector main part includes:

the hose connecting part (10) is connected to a hose, and a first conveying channel (11) communicated with the hose is arranged in the hose connecting part (10);

the hose connecting part (20) is connected to the hose connecting part (10), a second conveying channel (21) communicated with the first conveying channel (11) is arranged in the hose connecting part (20), the hose connecting part (20) is provided with a first plugging end (22) capable of being plugged and unplugged, and the first plugging end (22) is detachably plugged in the hose and enables the hose to be communicated with the second conveying channel (21).

2. The quick connector according to claim 1, wherein the hose connecting portion (10) includes a connecting body (12) and a locking knob (13), the first conveying passage (11) is disposed in the connecting body (12), a second connecting end (121) is disposed on the connecting body (12), a first annular protrusion (1211) having an inclined guide surface is disposed at an end of the second connecting end (121), the second connecting end (121) and the hose are tightly fitted through the first annular protrusion (1211), the locking knob (13) is screwed to the connecting body (12) and has a through hole (131) corresponding to the second connecting end (121), and an inclined pushing surface (132) is disposed in the locking knob (13) corresponding to the first annular protrusion (1211).

3. The quick connector according to claim 1, wherein the first connector end (22) is provided with a second annular protrusion (221), and the first connector end (22) and the hard tube are tightly fitted through the second annular protrusion (221).

4. A quick connector as claimed in claim 1, wherein the wand connection portion (20) is L-shaped.

5. A quick connector according to claim 4, wherein the bend of the pipe connector (20) is provided with a rib (23).

6. The quick connector according to claim 1, wherein the hose connecting portion (10) and the hard tube connecting portion (20) are of a split structure, and the hose connecting portion (10) is inserted into the second conveying passage (21) of the hard tube connecting portion (20).

7. The quick connector according to claim 6, wherein the end of the hose connecting portion (10) inserted into the second conveying passage (21) has a first step (122) and a second step (123), a step structure matched with the first step (122) and the second step (123) is arranged in the second conveying passage (21), a convex rib (211) is arranged on the inner wall of the second conveying passage (21) corresponding to the side wall of the second step (123), and the second step (123) and the second conveying passage (21) are tightly matched through the convex rib (211).

8. A quick-connect coupling according to claim 6, wherein a sealing arrangement is provided at the connection between the hose connection portion (10) and the wand connection portion (20).