CN111306376B

CN111306376B - Pipe connector

Info

Publication number: CN111306376B
Application number: CN202010150377.0A
Authority: CN
Inventors: 高燚
Original assignee: Wenzhou Shengmiao Industrial Design Co ltd
Current assignee: Jinzhong Taigu Changxin Casting Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2021-03-26
Anticipated expiration: 2040-03-06
Also published as: JP6991418B2; JP2021139492A; CN111306376A

Abstract

The invention provides a pipe connector, and belongs to the technical field of machinery. The pipe connector comprises two internal thread cylinders distributed on the same axis, wherein the two internal thread cylinders are contacted and fixedly connected, the inner walls of the two internal thread cylinders are respectively provided with a first annular groove body, the section of each groove body is L-shaped, the first two groove bodies are contacted to form an annular groove body with a U-shaped section, each annular groove body consists of two annular groove walls and an annular groove bottom, an annular sealing element is arranged in each annular groove body, an annular mounting groove is formed in the middle of the inner side wall of each annular sealing element, a ring body is embedded in each mounting groove and made of a rigid material, two ends of each annular sealing element are respectively clamped between the ring body and the two annular groove walls to form sealing, and the inner sides; the annular groove bottom is provided with a blind hole, each internal thread cylinder is at least provided with two blind holes, a spring is arranged in each blind hole, and two ends of the spring are respectively abutted to the blind hole bottom wall and the annular sealing element. This pipe fitting connector convenient operation.

Description

Pipe connector

Technical Field

The invention belongs to the technical field of machinery, and relates to a connector, in particular to a pipe connector.

Background

The connection of body and body is generally realized through the connector, and current simple and easy connector generally is the internal thread pipe, during the use, twines the thread seal area on the pipe fitting, again with in the pipe fitting screw in nut. Because the raw material belt needs certain skill to wind, not only the beginner is difficult to get on hand, but also the operation is comparatively loaded down with trivial details.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a pipe connector which solves the technical problem of how to facilitate pipe connection.

The purpose of the invention can be realized by the following technical scheme: a pipe connector comprises two internal thread cylinders distributed on the same axis, the two internal thread cylinders are contacted and fixedly connected, it is characterized in that the inner walls of two adjacent ends of the two internal thread cylinders are respectively provided with a first annular groove body, the first groove body is L-shaped in cross section in the axial direction of the internal thread cylinder, the two groove bodies are contacted with each other to form an annular groove body with a U-shaped cross section, the annular groove body consists of two annular groove walls which are arranged right opposite to each other and an annular groove bottom which is arranged between the two annular groove walls, an annular sealing element is arranged in the annular groove body, the middle part of the inner side wall of the annular sealing element is provided with an annular mounting groove, a ring body with the shape and the size matched with the mounting groove is embedded in the mounting groove, two ends of the annular sealing element are respectively clamped between the ring body and two annular groove walls to form sealing, and the inner sides of the annular sealing element and the ring body extend to the inner hole of the internal thread cylinder; the blind hole has been seted up on the ring channel end, and blind hole length all is equipped with two blind holes along internal thread section of thick bamboo circumference equipartition on every internal thread section of thick bamboo at least along the axial extension of an internal thread section of thick bamboo, all is equipped with the spring in every blind hole, and the spring both ends offset with blind hole diapire and annular seal spare respectively.

When the sealing device is installed, the two pipe bodies are respectively screwed into the two internal thread cylinders, and the end faces of the pipe bodies are tightly pressed on the corresponding end faces of the annular sealing elements to form sealing.

The sealing assembly consisting of the annular sealing element and the ring body is clamped between the two internal thread cylinders, so that reliable sealing is formed between the two internal thread cylinders and between the two pipe bodies, the structure can be simplified, and the installation procedures are reduced to facilitate assembly.

The annular sealing member both ends all set up the spring and support to buffer fluid flows out and assaults the pressure on annular sealing member from the body, improve job stabilization nature and extension annular sealing member's life-span.

In the pipe connector, the outer walls of the two adjacent ends of the two internal thread cylinders are provided with conical surfaces, the conical surfaces and the internal thread cylinders are coaxially arranged, and the two conical surfaces are in contact with each other to form a positioning groove for storing welding liquid. The two internal thread cylinders are connected in a welding mode, and the device has the advantages of simple structure and convenience in installation.

In the pipe connector, the end face of the annular sealing element is integrally formed with the columnar supporting parts, the supporting parts and the blind holes are identical in number and correspond to one another in position, the supporting parts are inserted into the corresponding blind holes, and the spring is sleeved outside the supporting parts. The supporting part is used for supporting and guiding the spring so as to improve the working stability of the spring.

In the pipe connector, annular crushing grooves are formed in the two end faces, located at the inner hole of the internal thread cylinder, of the annular sealing element, and the crushing grooves and the annular sealing element are arranged coaxially. The crushing groove can enable the annular sealing element to be more easily elastically deformed and to be more closely attached to the pipe body, so that the sealing effect formed between the two pipe fittings is improved.

In the pipe connector, the crushing groove is circular arc-shaped in cross section in the axial direction of the internal threaded cylinder.

In the pipe connector, the inner side walls of the two ends of the annular sealing element are conical guide surfaces, and the diameters of the guide surfaces are gradually reduced from outside to inside. The guide surface is arranged to guide fluid to be discharged smoothly through the annular sealing element, so that the working stability of the connector is improved.

Compared with the prior art, the pipe connector has the following advantages:

1. the sealing assembly consisting of the annular sealing element and the ring body is clamped between the two internal thread cylinders, so that reliable sealing is formed between the two internal thread cylinders and between the two pipe bodies, the structure can be simplified, and the installation procedures are reduced to facilitate assembly.

2. The annular sealing member both ends all set up the spring and support to buffer fluid flows out and assaults the pressure on annular sealing member from the body, improve job stabilization nature and extension annular sealing member's life-span.

Drawings

Fig. 1 is a schematic structural view of the pipe connector.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 3 is a schematic diagram of the position structure of two internal thread cylinders.

In the figure, 1, an internal thread cylinder; 1a, a conical surface; 1b, a first groove body; 1c, blind holes; 2. positioning a groove; 3. an annular groove body; 4. an annular seal; 4a, a support part; 4b, a crushing tank; 4c, a guide surface; 5. a ring body; 6. a spring.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figure 1, the pipe fitting connector comprises internal thread cylinders 1 distributed on the same axis, and the two internal thread cylinders 1 are contacted and fixedly connected. In the present embodiment, the two internally threaded cylinders 1 are connected as follows: all be equipped with conical surface 1a on the outer wall at two adjacent ends of two internal thread section of thick bamboos 1, conical surface 1a and the coaxial setting of internal thread section of thick bamboos 1, two conical surfaces 1a contact in order to form the constant head tank 2 that is used for storing the welding liquid. Namely, the two internal thread cylinders 1 are connected in a welding mode, and the device has the advantages of simple structure and convenience in installation.

Specifically, as shown in fig. 1 and 3, annular groove bodies 1b are respectively formed on the inner walls of two adjacent ends of the two internal thread cylinders 1, and the groove bodies 1b and the internal thread cylinders 1 are coaxially arranged. The first groove 1b is L-shaped in cross section in the axial direction of the internal thread cylinder 1, and the two grooves 1b are contacted with each other to form an annular groove 3 with U-shaped cross section. Wherein, the annular groove body 3 is composed of two annular groove walls which are arranged oppositely and an annular groove bottom which is arranged between the two annular groove walls. Be equipped with annular sealing member 4 in the annular cell body 3, seted up on the inside wall middle part of annular sealing member 4 and be annular mounting groove, the mounting groove is embedded to have the shape and the size all with the ring body 5 that this mounting groove matches, ring body 5 is made by rigid material, and 4 both ends of annular sealing member press from both sides tightly respectively and form sealedly between ring body 5 and two annular cell walls, the inboard of annular sealing member 4 and ring body 5 all extends to 1 hole of internal thread section of thick bamboo. In this embodiment, the rigid material may be a stainless steel material or a plastic material. As shown in fig. 1, a blind hole 1c is formed in the annular groove bottom, and the length of the blind hole 1c extends along the axial direction of the internal thread cylinder 1. All be equipped with two blind holes 1c along 1 circumference equipartitions of an internal thread section of thick bamboo on every internal thread section of thick bamboo 1 at least, all be equipped with spring 6 in every blind hole 1c, and spring 6 both ends respectively with blind hole 1c diapire and annular seal 4 counterbalance. In the present embodiment, two blind holes 1c are preferably provided on each internally threaded cylinder 1.

Further, as shown in fig. 2, the end surface of the annular sealing member 4 is integrally formed with a columnar supporting portion 4a, and the supporting portion 4a and the blind hole 1c have the same number and are in one-to-one correspondence in position. The supporting portion 4a is inserted into the corresponding blind hole 1c, and the spring 6 is sleeved outside the supporting portion 4a to support and guide the spring 6, so as to improve the working stability of the spring 6.

As shown in fig. 2, two end faces of the annular sealing element 4 at the inner hole of the internal thread cylinder 1 are both provided with annular crushing grooves 4b, and the crushing grooves 4b and the annular sealing element 4 are coaxially arranged. The crushing groove 4b can make the annular sealing element 4 easier to elastically deform and more closely fit with the pipe body, so that the sealing effect formed between the two pipe fittings is improved. The crushing groove 4b preferably has a circular arc-shaped cross section in the axial direction of the internally threaded cylinder 1. The inner side walls of the two ends of the annular sealing element 4 are conical guide surfaces 4c, and the diameters of the guide surfaces 4c are gradually reduced from outside to inside. The guide surface 4c is arranged to guide the fluid to be discharged more smoothly through the annular sealing element 4, so that the working stability of the connector is improved.

During installation, the two pipe bodies are respectively screwed into the two internal thread cylinders 1, and the end faces of the pipe bodies are tightly pressed on the corresponding end faces of the annular sealing elements 4 to form sealing. The sealing assembly consisting of the annular sealing element 4 and the ring body 5 is clamped between the two internal thread cylinders 1, so that reliable sealing is formed between the two internal thread cylinders 1 and between the two pipe bodies, the structure can be simplified, and the installation procedures are reduced to facilitate assembly.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides a pipe fitting connector, including two internal thread section of thick bamboo (1) that distribute on the same axis, two internal thread section of thick bamboo (1) contact and link firmly, a serial communication port, all set up on the inner wall at the both ends that two internal thread section of thick bamboo (1) are cyclic annular cell body (1b), cell body (1b) is L shape at internal thread section of thick bamboo (1) axial, two cell body one (1b) contacts and forms annular cell body (3) that the cross-section is the U shape, annular cell body (3) comprise two annular cell walls that just set up and the annular cell bottom that is located between two annular cell walls, be equipped with annular sealing member (4) in annular cell body (3), set up on the inside wall middle part of annular sealing member (4) and be cyclic annular mounting groove, the mounting groove is embedded to have ring body (5) that shape and size all match with this mounting groove, ring body (5) are made by rigid material, and ring sealing member (4) both ends press from both sides tightly respectively and form The inner sides of the annular sealing element (4) and the ring body (5) extend to the inner hole of the internal thread cylinder (1); the blind hole (1c) has been seted up on the ring channel bottom, and the axial extension of an internal thread section of thick bamboo (1) is followed to blind hole (1c) length, all is equipped with two blind holes (1c) along an internal thread section of thick bamboo (1) circumference equipartition on every internal thread section of thick bamboo (1) at least, all is equipped with spring (6) in every blind hole (1c), and spring (6) both ends offset with blind hole (1c) diapire and annular seal spare (4) respectively.

2. A pipe connector according to claim 1, wherein the outer walls of the two adjacent ends of the two internally threaded cylinders (1) are provided with tapered surfaces (1a), the tapered surfaces (1a) and the internally threaded cylinders (1) are coaxially arranged, and the tapered surfaces (1a) are in contact with each other to form positioning grooves (2) for storing the welding liquid.

3. A pipe connector according to claim 1 or 2, wherein the end face of the annular sealing member (4) is integrally formed with a columnar support portion (4a), the number of the support portions (4a) and the number of the blind holes (1c) are the same, the positions of the support portions (4a) and the blind holes (1c) are in one-to-one correspondence, the support portions (4a) are inserted into the corresponding blind holes (1c), and the spring (6) is sleeved outside the support portions (4 a).

4. A pipe connector according to claim 1 or 2, wherein the annular sealing element (4) has annular crushing grooves (4b) at both ends thereof at the inner hole of the internal thread cylinder (1), and the crushing grooves (4b) and the annular sealing element (4) are coaxially arranged.

5. A pipe connector according to claim 4, wherein the cross-section of the crush groove (4b) in the axial direction of the internally threaded sleeve (1) is rounded.

6. A pipe fitting connector according to claim 1 or 2, wherein the inner side walls of both ends of the annular sealing member (4) are tapered guide surfaces (4c), and the diameter of the guide surfaces (4c) is gradually reduced from the outside to the inside.