CN214662650U

CN214662650U - Pipe fitting clamping and pressing joint for water diversion

Info

Publication number: CN214662650U
Application number: CN202120664034.6U
Authority: CN
Inventors: 刘建良; 杨笃聪
Original assignee: Zhejiang Homebase Intelligent Technology Co ltd
Current assignee: Zhejiang Homebase Intelligent Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-09
Anticipated expiration: 2031-03-31

Abstract

The utility model provides a pipe fitting card pressure joint that diversion was used belongs to and connects technical field. The problems of single function and insufficient applicability are solved. The clamping and pressing main pipe comprises a clamping and pressing main pipe body which is in a through type, two ends of the clamping and pressing main pipe body are respectively extruded outwards to form clamping and pressing portions, the clamping and pressing portions are provided with convex rings close to end portions, the inner sides of the clamping and pressing portions are provided with grooves corresponding to the positions of the convex rings, sealing rings are arranged in the grooves, the side portions of the clamping and pressing main pipe body are respectively connected with a first connecting head and a second connecting head, the side portions of the clamping and pressing main pipe body are provided with a first connecting port and a second connecting port, the first connecting head comprises a first head portion with internal threads and a first rod portion with the internal diameter smaller than the first head portion, the end portion of the first rod portion is abutted against the first connecting port and fixedly connected with the first connecting port through a welding mode, the second connecting head portion with the external threads and the second rod portion with the internal diameter smaller than the second head portion, and the end portion of the second rod portion is abutted against the second connecting port and fixedly connected with the second connecting port through a welding mode. It has the advantages of wide applicability, wide application range and the like.

Description

Pipe fitting clamping and pressing joint for water diversion

Technical Field

The utility model belongs to the technical field of connect, a pipe fitting card pressure joint that diversion was used is related to.

Background

In some existing pipe systems, for example, tap water systems or gas systems, a press-fit type joint is gradually used, and a thin-walled stainless steel pipe is inserted into the press-fit type joint and then clamped outside the press-fit type joint by a special hydraulic tool to be pressed, so that the thin-walled stainless steel pipe and the press-fit type joint can be fixed together, for example, a press-fit type stainless steel equal-diameter butt joint disclosed in patent application No. 201520422159.2. However, the clamping and pressing type stainless steel equal-diameter butt joint has single function, can only realize straight-through pipe fitting butt joint, and cannot realize shunt or external functional meters such as pressure meters, thermometers and the like.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide the pipe fitting card pressure joint that the diversion was used, solved traditional through formula card pressure joint function singleness, the not enough problem of suitability.

The purpose of the utility model can be realized by the following technical proposal:

the pipe fitting clamping joint for water diversion comprises a straight-through type clamping main pipe made of carbon steel material, the two ends of the clamping and pressing main pipe are respectively extruded outwards to form clamping and pressing parts, the positions of the clamping and pressing parts, which are close to the end parts, are provided with convex rings, the inner sides of the clamping and pressing parts, which are corresponding to the positions of the convex rings, are provided with grooves, sealing rings are arranged in the grooves, the positions, which are close to the clamping and pressing parts, in the clamping and pressing main pipe are provided with limiting steps, the clamping and pressing main pipe is characterized in that the side portion of the clamping and pressing main pipe is respectively connected with a first connecting head and a second connecting head, the side portion of the clamping and pressing main pipe is provided with a first connecting port and a second connecting port, the first connecting head comprises a first head portion and a first rod portion, the inner diameter of the first connecting head portion is smaller than that of the first head portion, the end portion of the first rod portion abuts against the first connecting port and fixedly connects the first connecting port and the second connecting port in a welding mode, the second connecting head portion comprises a second head portion and a second rod portion, the outer thread of the second connecting head portion is provided with an outer thread, the inner diameter of the second rod portion is smaller than that of the second connecting port, and the end portion of the second rod portion abuts against the second connecting port and fixedly connects the second connecting port and the second connecting port in a welding mode.

In this pipe fitting card pressure joint of diversion usefulness, through pressing the main pipe lateral part at the card and connecting connector one and connector two for this card pressure joint can connect reposition of redundant personnel branch pipe or manometer according to the demand, and the head of connector one is equipped with the internal thread, and the head of connector two is equipped with the external screw thread, has satisfied the connection demand of different forms again simultaneously, and it is wider to have improved suitability, the range of application that the card pressure connects. When external connection is not needed, the plug is connected to the first connector and the second connector.

In the pipe fitting clamping and pressing joint for water diversion, one end part of the rod part is provided with a first matching step, the clamping and pressing main pipe at the first connecting port abuts against the first matching step, the two end parts of the rod part are provided with a second matching step, and the clamping and pressing main pipe at the second connecting port abuts against the second matching step.

The arrangement of the first matching step and the second matching step can enable the positioning between the first rod part and the main clamping pipe and between the second rod part and the main clamping pipe to be more convenient, and meanwhile, the sealing length between the first rod part and the main clamping pipe can be increased.

In the pipe fitting clamping and pressing joint for water diversion, the rod part I and the head part I are of an integral structure, and the rod part II and the head part II are of an integral structure.

In the pipe fitting clamping and pressing joint for water diversion, the inner diameter of the first head part is larger than that of the first rod part, a first positioning step is connected between the inner wall of the first rod part and the inner wall of the first head part, the inner diameter of the second head part is smaller than that of the second rod part, a second positioning step is connected between the inner wall of the second rod part and the inner wall of the second head part, and filter screens are arranged at the first positioning step and the second positioning step.

The filter screen is arranged at the first positioning step and the second positioning step, so that no matter a pressure gauge or a shunt branch pipe is connected to the first connector or the second connector, the medium introduced into the pressure gauge or the shunt branch pipe can be filtered, and the pressure gauge is prevented from being damaged or the shunt branch pipe is prevented from being blocked to influence use.

In the pipe fitting clamping and pressing joint for water diversion, as another technical scheme, the first head part is in a cap shape, the first head part is sleeved on the first rod part, one end part of the first rod part is provided with a retaining shoulder capable of preventing the first head part from being separated from the first rod part, the outer side of one end of the second head part is provided with a convex edge, the two outer threads of the rod part are connected with a locking cap, and the second head part penetrates through the locking cap and presses the convex edge on the end face of the second rod part.

First pole portion passes head one earlier, then links firmly pole portion one in connector one through welding mode, so the head is spacing for a moment between the fender shoulder and the card pressure in pole portion one is responsible for, and the head can carry out universal rotation for pole portion one again simultaneously, has improved the convenience when the pipeline is connected and is arranged. Similarly, the second rod part and the second head part form a whole by utilizing the locking cap, and the second rod part is fixedly connected to the second connector in a welding mode, so that the second head part cannot be separated from the second rod part, and the second head part can rotate universally relative to the second rod part, so that the convenience in pipeline connection and arrangement is improved.

In the pipe fitting clamping and pressing joint for water diversion, the first connecting port is arranged opposite to the second connecting port, and filter screens are respectively fixed at the positions on the two sides of the first connecting port in the clamping and pressing main pipe.

In the pipe fitting clamping and pressing joint for water diversion, the side wall of the groove close to the end part of the clamping and pressing part is a straight surface, a clamping ring is further arranged in the groove, the clamping ring comprises an annular body and a clamping piece which is distributed along the inner edge of the annular body and inclines towards the direction close to the other clamping and pressing part, and the annular body is limited between the sealing ring and the side wall of the groove close to the end part of the clamping and pressing part.

Because be equipped with the rand in the recess, the aluminium-plastic pipe passes and outwards struts each card on the rand from the rand center, and each card can interlock from this makes the aluminium-plastic pipe can't outwards roll-off in the outside of aluminium-plastic pipe, so installer just need not vacate a hand and push up the aluminium-plastic pipe in order to avoid its roll-off when utilizing the instrument to carry out the card to aluminium-plastic pipe and card pressure portion, has improved the convenience of installation. Moreover, the clamping ring can also improve the connection firmness between the clamping main pipe and the aluminum-plastic pipe.

In the pipe fitting clamping and pressing joint for water diversion, the convex ring is externally provided with a detection hole communicated with the groove in a penetrating way. Through set up the inspection hole in the bulge loop outside, can effectively detect the leakage condition in the pressure testing stage to avoid appearing the leakage problem in the in-service use process.

Compared with the prior art, this pipe fitting card pressure joint that diversion was used is through pressing the lateral part connecting joint one and connector two at the card for this card pressure joint can connect reposition of redundant personnel branch pipe or manometer according to the demand, and the head of connector one is equipped with the internal thread, and the head of connector two is equipped with the external screw thread, has satisfied the connection demand of different forms again simultaneously, and it is wider to have improved the suitability, the range of application that the card pressure connects.

In addition, utilize the rand interlock to make the installer more convenient when the operation card presses the instrument outside the pipe fitting to the firm in connection nature of the card mode of pressing has still been improved.

Drawings

Fig. 1 is a schematic view of a first embodiment of a pipe clamping and pressing joint for water diversion.

Fig. 2 is a cross-sectional view of a first embodiment of the pipe clamping and pressing joint for water diversion.

Fig. 3 is an enlarged view of the main pipe, the first connector and the second connector in fig. 2.

Fig. 4 is a schematic view of a second embodiment of the pipe clamping and pressing joint for water diversion.

In the figure, 1, a main pipe is clamped and pressed; 1a, a clamping and pressing part; 1a1, convex ring; 1a11, detection well; 1a2, groove; 1b, a limiting step; 1c, a first connecting port; 1d, a second connecting port; 2. a seal ring; 3. a first connecting head; 3a, a first head; 3a1, internal threads; 3b, a rod part I; 3b1, matching step one; 3b2, shoulder; 3c, positioning the first step; 4. a second connector; 4a, a head II; 4a1, external threads; 4a2, convex edge; 4b, a rod part II; 4b1, a second matching step; 4c, positioning a second step; 4d, locking the cap; 5. a filter screen; 6. and a collar.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1-3, the pipe fitting clamping and pressing joint for water diversion comprises a straight-through clamping and pressing main pipe 1 made of carbon steel material, wherein two ends of the clamping and pressing main pipe 1 are respectively extruded outwards to form clamping and pressing portions 1a, a convex ring 1a1 is arranged at the position of the clamping and pressing portion 1a close to the end, a groove 1a2 is arranged at the position of the inner side of the clamping and pressing portion 1a corresponding to the convex ring 1a1, a sealing ring 2 is arranged in the groove 1a2, and a limiting step 1b is arranged at the position of the clamping and pressing main pipe 1 close to the clamping and pressing portion 1 a. Further, the side wall of the groove 1a2 near the end of the clamping portion 1a is a straight surface, a collar 6 is further arranged in the groove 1a2, the collar 6 includes an annular body and cards distributed along the annular body and inclined toward the direction near the other clamping portion 1a, and the annular body is limited between the sealing ring 2 and the side wall of the groove 1a2 near the end of the clamping portion 1 a. The convex ring 1a1 is externally provided with a detection hole 1a11 communicated with the groove 1a2 in a penetrating way.

As shown in fig. 1-3, the side of the main clamping and pressing pipe 1 is connected with a first connecting head 3 and a second connecting head 4, the side of the main clamping and pressing pipe 1 is provided with a first connecting port 1c and a second connecting port 1d, the first connecting head 3 comprises a first head part 3a provided with an internal thread 3a1 and a first rod part 3b with an internal diameter smaller than the first head part 3a, the end of the first rod part 3b is inserted into the first connecting port 1c and fixedly connected with the first connecting port 1c by welding, the second connecting head 4 comprises a second head part 4a provided with an external thread 4a1 and a second rod part 4b with an internal diameter smaller than the second head part 4a, and the end of the second rod part 4b is inserted into the second connecting port 1d and fixedly connected with the second connecting port by welding. Specifically, the end of the first rod part 3b is provided with a first matching step 3b1, the main clamping and pressing pipe 1 at the first connecting port 1c abuts against the first matching step 3b1, the end of the second rod part 4b is provided with a second matching step 4b1, and the main clamping and pressing pipe 1 at the second connecting port 1d abuts against the second matching step 4b 1. The first rod part 3b and the first head part 3a are of an integrated structure, and the second rod part 4b and the second head part 4a are of an integrated structure. The inner diameter of the first head part 3a is larger than that of the first rod part 3b, a first positioning step 3c is connected between the inner wall of the first rod part 3b and the inner wall of the first head part 3a, the inner diameter of the second head part 4a is smaller than that of the second rod part 4b, a second positioning step 4c is connected between the inner wall of the second rod part 4b and the inner wall of the second head part 4a, and filter screens 5 are arranged at the positions of the first positioning step 3c and the second positioning step 4 c.

When in connection, the two ends of the main clamping and pressing pipe 1 are respectively connected with the aluminum-plastic pipe, specifically, the aluminum-plastic pipe is inserted into the clamping and pressing part 1a until the end part of the aluminum-plastic pipe abuts against the limit step 1b, and then the clamping and pressing part 1a between the convex ring 1a1 and the limit step 1b is clamped by using a clamping and pressing tool, so that the clamping and pressing part 1a at the section is simultaneously deformed and fixed with the aluminum-plastic pipe. It should be noted that, because the collar 6 is further arranged in the groove 1a2, when the aluminum-plastic pipe is inserted into the clamping and pressing portion 1a, the aluminum-plastic pipe passes through the center of the collar 6 to expand the cards outwards, and the cards are engaged with the outside of the aluminum-plastic pipe to prevent the aluminum-plastic pipe from sliding outwards, and meanwhile, the sealing ring 2 abuts against the outer wall of the aluminum-plastic pipe to form sealing. The use of the clamping ring 6 enables an installer to clamp the aluminum-plastic pipe between the clamping and pressing part 1a and the aluminum-plastic pipe by using the clamping and pressing tool without needing to vacate one hand to push the aluminum-plastic pipe to avoid the aluminum-plastic pipe from slipping out.

In addition, because the clamp pressure main pipe 1 is externally connected with the first connector 3 and the second connector 4 respectively, a user can connect the pressure gauge according to the requirement of the user to observe the medium pressure in real time, or can connect the shunt branch pipe to realize shunting, and the applicability of the pipe clamp pressure joint for water diversion is greatly improved. Meanwhile, the first connector 3 is provided with the internal thread 3a1, and the second connector 4 is provided with the external thread 4a1, so that the connection requirements of different forms can be met, and the practical value is higher.

Example two

The structure and principle of this embodiment are basically the same as those of the first embodiment, except that: in this embodiment, as shown in fig. 4, a split structure is formed between the head portion one 3a and the rod portion one 3b, a split structure is formed between the head portion two 4a and the rod portion two 4b, the head portion one 3a is in a cap shape, the head portion one 3a is sleeved on the rod portion one 3b, the end portion of the rod portion one 3b is provided with a retaining shoulder 3b2 capable of preventing the head portion one 3a from coming off from the rod portion one 3b, a protruding edge 4a2 is arranged on the outer side of one end of the head portion two 4a, the external thread 4a1 of the rod portion two 4b is connected with a locking cap 4d, the head portion two 4a penetrates through the locking cap 4d, and the protruding edge 4a2 is pressed on the end face of the rod portion two 4b by the locking cap 4 d. The first connecting port 1c is opposite to the second connecting port 1d, and filter screens 5 are respectively fixed at the positions on the two sides of the first connecting port 1c in the clamping and pressing main pipe 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The pipe fitting clamping and pressing joint for water diversion comprises a straight-through clamping and pressing main pipe (1) made of carbon steel materials, wherein two ends of the clamping and pressing main pipe (1) are respectively extruded outwards to form clamping and pressing portions (1a), a convex ring (1a1) is arranged at the position, close to the end portion, of each clamping and pressing portion (1a), a groove (1a2) is formed in the position, corresponding to the convex ring (1a1), of the inner side of each clamping and pressing portion (1a), a sealing ring (2) is arranged in each groove (1a2), a limiting step (1b) is arranged in each clamping and pressing main pipe (1) and close to each clamping and pressing portion (1a), the pipe fitting clamping and pressing joint is characterized in that the side portion of each clamping and pressing main pipe (1) is respectively connected with a first connecting head (3) and a second connecting head (4), a first connecting port (1c) and a second connecting port (1d) are arranged on the side portion of each clamping and pressing main pipe (1), each connecting head (3) comprises a first head (3) with an internal thread and a first connecting head (3b) with an internal diameter smaller than that of the first connecting head (3a), the end of the first rod part (3b) is abutted against the first connector (1c) and fixedly connected with the first connector through a welding mode, the second connector (4) comprises a second head part (4a) with external threads and a second rod part (4b) with the inner diameter smaller than that of the second head part (4a), and the end of the second rod part (4b) is abutted against the second connector (1d) and fixedly connected with the second connector through a welding mode.

2. The pressure joint of water diversion pipes as claimed in claim 1, wherein the end of the first rod part (3b) has a first matching step (3b1), the pressure main pipe (1) at the first connection port (1c) abuts against the first matching step (3b1), the end of the second rod part (4b) has a second matching step (4b1), and the pressure main pipe (1) at the second connection port (1d) abuts against the second matching step (4b 1).

3. The pipe clamping and pressing joint for water diversion according to claim 2, wherein the rod part I (3b) and the head part I (3a) are of an integrated structure, and the rod part II (4b) and the head part II (4a) are of an integrated structure.

4. The pipe fitting clamping and pressing joint for water diversion according to claim 3, wherein the inner diameter of the first head (3a) is larger than that of the first rod (3b), a first positioning step (3c) is connected between the inner wall of the first rod (3b) and the inner wall of the first head (3a), the inner diameter of the second head (4a) is smaller than that of the second rod (4b), a second positioning step (4c) is connected between the inner wall of the second rod (4b) and the inner wall of the second head (4a), and filter screens (5) are arranged at the first positioning step (3c) and the second positioning step (4 c).

5. The pipe fitting clamping and pressing joint for water diversion according to claim 2, wherein the first head (3a) is in a cap shape, the first head (3a) is sleeved on the first rod (3b) and the end of the first rod (3b) is provided with a retaining shoulder (3b2) capable of preventing the first head (3a) from falling off from the first rod (3b), a convex edge (4a2) is arranged on the outer side of one end of the second head (4a), the second rod (4b) is in threaded connection with a locking cap (4d), the second head (4a) penetrates through the locking cap (4d), and the convex edge (4a2) is pressed on the end face of the second rod (4b) by the locking cap (4 d).

6. The pipe clamping and pressing joint for water diversion according to claim 5, wherein the first connecting port (1c) and the second connecting port (1d) are arranged opposite to each other, and filter screens (5) are respectively fixed at the positions on two sides of the first connecting port (1c) in the clamping and pressing main pipe (1).

7. The water diversion pipe fitting clamping and pressing joint as claimed in claim 1, wherein the side wall of the groove (1a2) close to the end of the clamping and pressing portion (1a) is a straight surface, a clamping ring (6) is further arranged in the groove (1a2), the clamping ring (6) comprises an annular body and clamping pieces which are distributed along the inner edge of the annular body and inclined towards the direction close to the other clamping and pressing portion (1a), and the annular body is limited between the sealing ring (2) and the side wall of the groove (1a2) close to the end of the clamping and pressing portion (1 a).

8. The pipe fitting clamping and pressing joint for water diversion according to claim 7, wherein a detection hole (1a11) communicated with the groove (1a2) is formed in the outer portion of the convex ring (1a1) in a penetrating mode.