CN217401970U - Connecting joint of water supply pipeline - Google Patents

Abstract

The utility model relates to a water supply pipe's attach fitting, including public head and female head, public head with female overhead snap ring and the jack catch of encircleing respectively, be provided with the card hole on the snap ring, the dop of jack catch can insert joint in the card hole, jack catch sliding connection to female overhead, female head is fixed with first spacing ring towards the one end of public head, first spacing ring with the cover is equipped with the spring between the jack catch, the spring is right all the time the jack catch is applyed and is kept away from the thrust of first spacing ring. One purpose of the utility model is that after the clamping jaw is inserted into the clamping hole for clamping, the spring can push the clamping jaw to move towards one side far away from the clamping ring and apply force, so as to keep the clamping jaw to hook the clamping hole firmly all the time; and the spring can exert the thrust towards public head to female head, guarantees that female head can with public head inseparable laminating all the time, improves sealed effect, avoids receiving the poor problem of connection reliability that the removal of external environment and joint caused.

Description

Connecting joint of water supply pipeline

Technical Field

The utility model relates to a pipe connection field, more specifically, the utility model relates to a water supply pipe's attach fitting.

Background

The pipeline is one of the most common devices in the fields of daily life, industrial production and the like, is mainly used for conveying liquid or gas, and the tightness of the connection between the pipelines is directly related to the quality of the joint between the pipelines.

Most of the existing pipe joints are connected in the form of threads, flanges or clamps, but the joints in the form cannot be quickly disassembled and assembled, so that time and labor are wasted when the pipe joints are operated in narrow spaces such as sewers or in narrow equipment. Therefore, a quick-connection joint appears, as shown in the utility model with the patent number CN205402049U, the claw and the snap ring are hooked for fixing, and in the actual use process, the connection between the claw and the snap ring is easily loosened by the influence of external temperature and humidity, for example, after thermal expansion, a gap is generated between the joints, which leads to leakage; in addition, gaps are generated due to certain displacement between the connectors in the moving process, and the use reliability is poor.

Therefore, a new type of connection joint for water supply pipes is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the current poor problem of pipe joint reliability.

According to the utility model discloses an aspect provides a water supply pipe's attach fitting, including public head and female head, public head with female overhead snap ring and the jack catch of encircleing respectively, be provided with the card hole on the snap ring, the dop of jack catch can insert joint in the card hole, jack catch sliding connection to female overhead, female head is fixed with first spacing ring towards the one end of public head, first spacing ring with the cover is equipped with the spring between the jack catch, the spring is right all the time the jack catch is applyed and is kept away from the thrust of first spacing ring.

Through the scheme, after the clamping jaw is inserted into the clamping hole for clamping, the spring can push the clamping jaw to move towards one side far away from the clamping ring and apply force, so that the clamping jaw is kept to hook the clamping hole firmly all the time; and the spring can exert the thrust towards public head to female head, guarantees that female head can with public head inseparable laminating all the time, improves sealed effect, avoids receiving the poor problem of connection reliability that the removal of external environment and joint caused.

Preferably, the snap ring with public head sliding connection, public head orientation female one end of head is provided with the second spacing ring.

Through this scheme, the snap ring of activity helps improving the spring sealed effect of promotion to female.

Preferably, the first limiting ring is concentrically provided with a connecting groove, the second limiting ring axially protrudes with a connecting part, and the outer diameter of the connecting part is matched with the inner diameter of the connecting groove.

Through this scheme, the stability of connecting can be improved in connecting groove is inserted to connecting portion, produces the sealed effect of gap influence when avoiding removing the connector.

Preferably, a sealing ring is arranged in the connecting groove.

Through this scheme, public head compresses tightly the back with female head, can make connecting portion compress tightly to keep sealed on the sealing ring, improves sealed effect.

Preferably, the connecting groove is convexly provided with a positioning tooth, the connecting part is provided with a positioning groove, and the male head is connected with the female head and then the positioning tooth is inserted into the positioning groove.

Through this scheme, back in the location tooth inserts the constant head tank can keep the relatively fixed of angle between public head and the female head to avoid the jack catch rupture that the rotation caused.

The utility model has the technical effects that the device has simple structure and convenient use, and the fixed connection between the male head and the female head can be realized only by inserting the clamping claws into the clamping holes; the arrangement of the spring not only can assist in tensioning the clamping jaw to keep a locking state with the clamping ring and avoid the influence of external environments such as expansion caused by heat and contraction caused by cold, but also can assist in pressing the female head onto the male head so as to improve the sealing effect; the device has high connection stability and cannot be influenced by movement, vibration and the like.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural view of a connection joint of a water supply pipeline according to a first embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the male and female connectors of fig. 1.

Fig. 3 is a schematic structural diagram of a male connector according to a second embodiment of the present invention.

Reference numerals: 100 male; 200 female heads; a 110 snap ring; 210 jaws; 111 a clamping hole; 211 clamping a head; 220 a first stop collar; a 230 spring; 120 a second stop collar; 221 connecting grooves; 121 a connecting part; 222 a seal ring; 122, positioning the grooves.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Example one

As shown in fig. 1 and fig. 2, the connection joint of the water supply pipeline in this embodiment includes a male head 100 and a female head 200, the male head 100 and the female head 200 are respectively provided with a clamping ring 110 and a clamping jaw 210 in a surrounding manner, the clamping ring 110 is provided with a clamping hole 111, a clamping head 211 of the clamping jaw 210 can be inserted into the clamping hole 111 for clamping, the clamping jaw 210 is slidably connected to the female head 200, one end of the female head 200 facing the male head 100 is fixed with a first limit ring 220, a spring 230 is sleeved between the first limit ring 220 and the clamping jaw 210, and the spring 230 always applies a pushing force away from the first limit ring 220 to the clamping jaw 210.

Through the scheme of the embodiment, after the clamping jaw 210 is inserted into the clamping hole 110 for clamping, the spring 230 can push the clamping jaw 210 to move and apply force to one side far away from the clamping ring 110, so that the clamping jaw 210 is always firmly hooked with the clamping hole 111;

and because jack catch 210 and female 200's sliding connection, spring 230 can exert the thrust towards public first 100 to female 200, guarantees that female 200 can be with the inseparable laminating all the time of public first 100, improves sealed effect, avoids receiving the poor problem of connection reliability that external environment and joint's removal caused.

In this embodiment or other embodiments, the retaining ring 110 is slidably connected to the male head 100, and a second limiting ring 120 is disposed at an end of the male head 100 facing the female head 200. The movable snap ring 110 helps to improve the push sealing effect of the spring 230 against the female head 200.

In this embodiment or other embodiments, the first position-limiting ring 220 is concentrically provided with a connecting groove 221, the second position-limiting ring 120 axially protrudes with a connecting portion 121, and an outer diameter of the connecting portion 121 matches an inner diameter of the connecting groove 221. Connecting portion 121 inserts and connects in the spread groove 221, can improve the stability of being connected between public head and the female head, keeps public head and female head to be connected the back coaxial arrangement, produces relative displacement and produces the sealed effect of gap influence when avoiding removing the connector.

In this embodiment or other embodiments, a sealing ring 222 is disposed in the connecting groove 221. After the male head 100 and the female head 200 are pressed, the connecting part 121 can be pressed onto the sealing ring 222 to keep sealing, and the sealing effect is improved.

The utility model has the technical effects that the device has simple structure and convenient use, and the fixed connection between the male head and the female head can be realized only by inserting the clamping claws into the clamping holes; the setting of spring not only can assist taut jack catch, keep with the locking state of snap ring, avoid being heated external environment's such as expend with heat and contract with cold influence, can assist moreover to compress tightly female to public overhead to improve sealed effect.

Example two

As shown in fig. 3, the connection joint of the water supply pipeline in this embodiment further includes a positioning tooth (not shown) protruding from the connection groove 221, a positioning groove 122 is disposed on the connection portion 121, and the positioning tooth is inserted into the positioning groove 122 after the male head 100 is connected with the female head 200.

Through the scheme of the embodiment, after the positioning teeth are inserted into the positioning grooves 122, the relative fixation of the angle between the male head 100 and the female head 200 can be kept, so that the claw 210 is prevented from being broken due to the rotation of the male head 100 relative to the female head 200; the device has high connection stability and cannot be influenced by movement, vibration and the like.

The positioning teeth in this embodiment are, for example, wedge-shaped or tapered teeth, and the shape of the positioning slot 122 matches with the positioning teeth, so that the positioning teeth can be conveniently inserted into the positioning slot 122, and the positioning slot can play a role in guiding.

When the sealing ring 222 is installed, the positioning teeth penetrate the sealing ring 222 outwards, or the sealing ring 222 is extruded onto the positioning teeth and fits the shape of the positioning teeth, and the positioning grooves 122 and the positioning teeth are both wavy, so as to improve the sealing effect.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (5)

1. The utility model provides a water supply pipe's attach fitting, includes public head and female head, public head with female overhead circling respectively is provided with snap ring and jack catch, be provided with the card hole on the snap ring, the dop of jack catch can insert joint in the card hole, jack catch sliding connection is to female overhead, its characterized in that, female head is fixed with first spacing ring towards the one end of public head, first spacing ring with the cover is equipped with the spring between the jack catch, the spring is right all the time the jack catch is applyed and is kept away from the thrust of first spacing ring.

2. The connector for a water supply pipe of claim 1, wherein the snap ring is slidably connected to the male head, and a second stop ring is disposed at an end of the male head facing the female head.

3. A connection joint of a water supply pipeline according to claim 2, wherein the first limit ring is concentrically provided with a connection groove, the second limit ring axially projects with a connection part, and the outer diameter of the connection part is matched with the inner diameter of the connection groove.

4. A connection joint for a water supply pipe according to claim 3, wherein said connection groove is provided with a sealing ring therein.

5. A water supply pipe connection fitting according to claim 3, wherein said connection groove has positioning teeth protruding therefrom, said connection portion has positioning grooves formed therein, and said positioning teeth are inserted into said positioning grooves after said male portion is connected to said female portion.

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