CN219866810U - Pipe joint for central heating system - Google Patents

Abstract

The utility model discloses a pipe joint for a central heating system, which comprises a connecting pipe and a pipe head, wherein the connecting pipe comprises a metal hose and a matching shell, the matching shell is symmetrically arranged at two ends of the metal hose and is fixedly connected with the metal hose in a sealing way, the pipe head comprises an external connecting pipe and a connecting disc, the external connecting pipe is arranged at one end of the connecting disc, the external connecting pipe and the connecting disc are integrally formed, the connecting disc is arranged in the middle of the matching shell and is rotationally connected with the matching shell, and a locking mechanism corresponding to the matching shell is fixedly arranged on the outer side surface of the external connecting pipe. According to the utility model, the metal hose is arranged in the middle of the connecting pipe, so that the angle of use can be conveniently adjusted through the metal hose in actual connection, flexible connection can be realized according to actual needs, and meanwhile, the pipe head and the matching shell are connected in a sealing and clamping manner, so that quick installation is easy.

Description

Pipe joint for central heating system

Technical Field

The utility model relates to the technical field of pipe joints, in particular to a pipe joint for a central heating system.

Background

At present, central heating is a mode of heating production, heating and living heat users in a town or a large area through a heat network by taking hot water or steam generated by a central heat source as a heating medium. The hot water supply pipeline has the advantages of high heat load, large heat source scale, high heat efficiency, fuel and labor saving, small occupied area and the like, and the hot water is supplied to the pipeline correspondingly for transportation, so that auxiliary connection between the pipelines is needed through various pipe joints in the installation process.

Aiming at the related technology, the inventor considers that the angle of a pipe joint used by the existing heating system is fixed, and the connection angle cannot be adjusted at will, so that the angle and the position between the connecting pipes need to be calculated to select the model of the carrying pipe before the pipe is installed, the operation is very complicated, the existing connection mode mostly adopts hot melt connection, and once the connection is problematic, the connection is not easy to disassemble, inspect and replace.

Disclosure of Invention

The utility model provides a pipe joint for a central heating system, which is used for solving the problems in the background art.

The utility model is realized in the following way:

the utility model provides a coupling for central heating system, includes connecting pipe and tube head, the connecting pipe includes metal collapsible tube and cooperation shell, cooperation shell symmetry installs in metal collapsible tube's both ends, and cooperation shell and metal collapsible tube sealing fixed connection, the tube head includes outer takeover and connection pad, outer takeover sets up the one end at the connection pad, and outer takeover and connection pad integrated into one piece, the connection pad is installed at cooperation shell middle part, and connection pad and cooperation shell rotate to be connected, the lateral surface fixed mounting of outer takeover has the locking mechanism corresponding with the cooperation shell.

Further, the cooperation shell includes shell and spacing fixture block, spacing fixture block even setting is on the medial surface of shell, and spacing fixture block and shell integrated into one piece.

Further, a limiting clamping groove is formed in the outer side face of the shell, and a positioning groove corresponding to the limiting clamping block is formed in the outer side face of the connecting disc.

Further, the locking mechanism comprises a guide shell and a movable clamping block, wherein the guide shell is fixedly arranged on the outer side face of the outer connecting pipe, and the movable clamping block is slidably arranged in the middle of the guide shell.

Further, the guide shell comprises a shell body and an outer plate, wherein the outer plate is integrally formed on the outer side face of the shell body, and a supporting spring is further arranged between the outer plate and the movable clamping block.

Further, the movable clamping block comprises a limiting bottom block and a top plate, wherein the top plate is arranged at the lower end of the limiting bottom block, and the top plate and the limiting bottom block are integrally formed.

Further, an operation groove is formed in the upper end of the top plate.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the metal hose is arranged in the middle of the connecting pipe, so that the angle of use can be conveniently adjusted through the metal hose in actual connection, flexible connection can be realized according to actual needs, meanwhile, the pipe head and the matching shell are connected in a sealing clamping manner, quick installation is easy, and the movable clamping block can be rotationally detached only by pulling out the movable clamping block from the limiting clamping groove when the movable clamping block needs to be detached, so that the movable clamping block is very convenient to operate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the overall structure in an embodiment of the present utility model;

FIG. 2 is a perspective view of a connection tube in an embodiment of the present utility model;

FIG. 3 is a front perspective view of the mating cartridge and locking mechanism of an embodiment of the present utility model;

FIG. 4 is a rear perspective view of the mating tube head and locking mechanism of an embodiment of the present utility model;

FIG. 5 is a front view of the device of FIG. 3;

fig. 6 is a left side view of the device shown in fig. 3.

In the figure: 1. a connecting pipe; 11. a metal hose; 12. a mating shell; 121. a housing; 122. a limit clamping block; 123. a limit clamping groove; 2. a tube head; 21. an outer connecting pipe; 22. a connecting disc; 221. a positioning groove; 3. a locking mechanism; 31. a guide housing; 311. a housing; 312. an outer plate; 313. a support spring; 32. a movable clamping block; 321. limiting bottom blocks; 322. a top plate; 323. the operation groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Referring to fig. 1, 2, 3, 4, 5 and 6, a pipe joint for a central heating system includes a connection pipe 1 and a pipe head 2, the connection pipe 1 includes a metal hose 11 and a fitting housing 12, the fitting housing 12 is symmetrically installed at both ends of the metal hose 11, and the fitting housing 12 is fixedly connected with the metal hose 11 in a sealing manner, the pipe head 2 includes an outer connection pipe 21 and a connection disc 22, the outer connection pipe 21 is disposed at one end of the connection disc 22, the outer connection pipe 21 and the connection disc 22 are integrally formed, the connection disc 22 is installed at the middle of the fitting housing 12, the connection disc 22 is rotatably connected with the fitting housing 12, and a locking mechanism 3 corresponding to the fitting housing 12 is fixedly installed at the outer side surface of the outer connection pipe 21.

The matching shell 12 comprises a shell 121 and a limiting clamping block 122, the limiting clamping block 122 is uniformly arranged on the inner side surface of the shell 121, and the limiting clamping block 122 and the shell 121 are integrally formed. Through the structure setting to the cooperation shell 12 guarantee to install a plurality of spacing fixture blocks 122 on the medial surface of shell 121, just can carry out the spacing fixed of block through spacing fixture blocks 122 after connection pad 22 installs in shell 121. The outer side surface of the housing 121 is provided with a limit clamping groove 123, and the outer side surface of the connecting disc 22 is provided with a positioning groove 221 corresponding to the limit clamping block 122. The movable clamping block 32 on the locking mechanism 3 is convenient to be matched and clamped through the limiting clamping groove 123, so that relative rotation can be avoided after the connecting pipe 1 and the pipe head 2 are connected.

The locking mechanism 3 includes a guide shell 31 and a movable block 32, the guide shell 31 is fixedly installed on the outer side surface of the extension tube 21, and the movable block 32 is slidably installed in the middle of the guide shell 31. Through setting up the structure to locking mechanism 3 and conveniently coming slidable mounting movable fixture block 32 through direction shell 31, make things convenient for movable fixture block 32 to slide along the axial of extension tube 21, direction shell 31 includes casing 311 and planking 312, planking 312 integrated into one piece sets up on the lateral surface of casing 311, and still installs supporting spring 313 between planking 312 and the movable fixture block 32. Through guaranteeing to install planking 312 on casing 311 to the structure setting of shell 31, conveniently install support spring 313 through planking 312, easily promote the stable block of movable fixture block 32 in spacing draw-in groove 123 through support spring 313, movable fixture block 32 includes spacing bottom block 321 and roof 322, roof 322 sets up the lower extreme at spacing bottom block 321, and roof 322 and spacing bottom block 321 integrated into one piece. An operation groove 323 is formed at the upper end of the top plate 322. The top plate 322 is guaranteed to be in limiting sliding installation in the shell 311 through the limiting bottom block 321 by setting the structure of the movable clamping block 32, and meanwhile, the position of the top plate 322 is convenient for operators to move better through setting the operation groove 323.

Working principle: when the connecting pipe is required to be used, the two outer connecting pipes and the two pipelines to be connected can be connected with each other in a hot melting mode, then the connecting pipe can be adjusted to be connected with the bending degree through the metal hose, the matched shells at the two ends of the metal hose can be sleeved on the connecting disc of the corresponding pipe head conveniently, the corresponding sealing rings are required to be installed between the connecting disc and the matched shells, so that the sealing effect of the connection of the connecting pipe and the connecting pipe is guaranteed, and then the connecting pipe can be stably connected through rotating the matched shells when the top plate is clamped into the limiting clamping groove.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. A pipe joint for a central heating system, comprising a connecting pipe (1) and a pipe head (2), characterized in that: connecting pipe (1) include metal collapsible tube (11) and cooperation shell (12), cooperation shell (12) symmetry installs the both ends at metal collapsible tube (11), and cooperation shell (12) and metal collapsible tube (11) sealed fixed connection, tube head (2) are including outer takeover (21) and connection pad (22), outer takeover (21) set up the one end at connection pad (22), and outer takeover (21) and connection pad (22) integrated into one piece, connection pad (22) are installed at cooperation shell (12) middle part, and connection pad (22) are connected with cooperation shell (12) rotation, the lateral surface fixed mounting of outer takeover (21) have locking mechanism (3) corresponding with cooperation shell (12).

2. A pipe joint for a central heating system according to claim 1, wherein the mating shell (12) comprises a housing (121) and a limit fixture block (122), the limit fixture block (122) is uniformly arranged on the inner side surface of the housing (121), and the limit fixture block (122) and the housing (121) are integrally formed.

3. A pipe joint for a central heating system according to claim 2, characterized in that the outer side surface of the housing (121) is provided with a limit clamping groove (123), and the outer side surface of the connecting disc (22) is provided with a positioning groove (221) corresponding to the limit clamping block (122).

4. A pipe joint for a central heating system according to claim 3, characterized in that the locking mechanism (3) comprises a guiding shell (31) and a movable clamping block (32), the guiding shell (31) is fixedly mounted on the outer side surface of the outer connecting pipe (21), and the movable clamping block (32) is slidably mounted in the middle of the guiding shell (31).

5. A pipe joint for a central heating system according to claim 4, characterized in that the guiding shell (31) comprises a shell (311) and an outer plate (312), the outer plate (312) is integrally formed on the outer side of the shell (311), and a supporting spring (313) is further installed between the outer plate (312) and the movable clamping block (32).

6. A pipe joint for a central heating system according to claim 5, wherein the movable clamping block (32) comprises a limiting bottom block (321) and a top plate (322), the top plate (322) is arranged at the lower end of the limiting bottom block (321), and the top plate (322) and the limiting bottom block (321) are integrally formed.

7. A pipe joint for a central heating system according to claim 6, characterized in that the upper end of the top plate (322) is provided with an operating groove (323).