CN211040069U

CN211040069U - Tee fitting for refrigeration

Info

Publication number: CN211040069U
Application number: CN201922005502.4U
Authority: CN
Inventors: 樊德洪
Original assignee: Shaoxing Shangyu Green Leaf Refrigeration Co ltd
Current assignee: Shaoxing Shangyu Green Leaf Refrigeration Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-17
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a tee bend spare for refrigeration, the on-line screen storage device comprises a base, the inner ring, the water conservancy diversion piece, connecting pipe and top cap, it is outside from the inner chamber of base, the lateral wall through-hole that passes the base with the connecting pipe lower extreme outwards, and with the connecting pipe welding in the through-hole, the position of through-hole can be offered wantonly according to the contained angle between the three branch pipe, can satisfy the connection between the multiple contained angle pipeline, the connecting pipe inner end cutting by the arcwall face the same with the base inner wall, can laminate with the outside of inner ring, insert fixed connection in the inner wall of base with the inner ring, cup joint the top cap on the base after the inner ring is fixed again, the inside of base and top cap has formed sealed cavity, and this cavity and three connecting pipe intercommunication, can be when tee bend circulation high pressure medium, stress can not concentrate on the seam, prevent to lead to fatigue.

Description

Tee fitting for refrigeration

Technical Field

The utility model relates to a refrigeration pipe fitting technical field specifically is a tee bend spare for refrigeration.

Background

The tee joint is the most typical structure in the pressure pipeline, and is a cylindrical shell opening connecting pipe structure in a mechanical calculation model, so that the local stress concentration phenomenon of the pipeline is caused due to the fact that the discontinuity of the pipeline structure is caused. Therefore, the tee is often a location where fatigue fracture, stress corrosion failure, and the like frequently occur. Under the influence of a manufacturing process, a plurality of pipe systems still use a tee joint formed by irregular opening and irregular welding, so that the position of the tee joint has great potential safety hazard. And in the refrigeration pipeline, the connecting tee joint with different included angles is required to be used due to space limitation, so that the independent die sinking production is troublesome, and the manufacturing cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tee bend spare for refrigeration to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a three-way piece for refrigeration comprises a base, an inner ring, a flow guide block, a connecting pipe and a top cover, wherein the base is of a hollow cylinder structure with an opening on the top surface, horn-shaped through holes are formed in the positions, corresponding to three branch pipes of a three-way, of the side wall of the base, the radius of the inner end of each through hole is larger than that of the outer end of each through hole, the positions of the through holes can be freely formed according to the included angle between the three branch pipes, the connection among pipelines with various included angles can be met, the lower end of each connecting pipe outwards penetrates through the through hole in the side wall of the base from the inner cavity of the base to the outside, the connecting pipe is welded in the through hole, the connecting pipe is a round pipeline with the inner end punched into a horn shape, the outer diameter of the inner end is the same as the outer diameter of the inner end of the through hole;

the inner ring is a ring body with a circular through hole in the position, corresponding to the connecting pipe, of the side wall, the radius of the through hole is the same as the inner diameter of the inner end of the connecting pipe, the inner end of the connecting pipe can be fixed, the inner ring is fixed and then the top cover is sleeved on the base, the top cover is of a hollow cylindrical structure with an opening in the bottom surface, the inner diameter of the top cover is the same as the outer diameter of the base, a U-shaped notch is cut in the position, corresponding to the connecting pipe, of the side wall of the top cover, the notch is aligned with the connecting pipe and sleeved on the base and welded together, a sealed cavity is formed inside the;

as a further aspect of the present invention: the inner side of the inner ring can be welded and fixed with a flow guide block, the flow guide block is in a triangular prism shape, the flow guide block is arranged on the inner ring and positioned at the center of two connecting pipes with the same flow direction, and the tips of the flow guide block point to the centers of the inner sides of the connecting pipes in different directions, so that the flow guide block can play a role in guiding a medium to flow;

as a further aspect of the present invention: the inner ring and the flow guide block are made of polytetrafluoroethylene materials, so that the impact resistance and the corrosion resistance of the inner cavity of the tee joint can be improved, and the service life is prolonged.

Compared with the prior art, the beneficial effects of the utility model are that: from the inner chamber of base outwards, pass the lateral wall through-hole of base with the connecting pipe lower extreme outwards, and with the connecting pipe welding in the through-hole, the position of through-hole can be seted up wantonly according to the contained angle between the three branch pipe, can satisfy the connection between the multiple contained angle pipeline, the cutting of connecting pipe inner end is by the arcwall face the same with the base inner wall, can laminate with the outside of inner ring, insert fixed connection in the inner wall of base with the inner ring, cup joint the top cap on the base again after the inner ring is fixed, the inside of base and top cap has formed sealed cavity, and this cavity and three connecting pipe intercommunication, can be when tee bend circulation high pressure medium, stress can not concentrate on the weld, prevent because stress concentration leads to fatigue fracture, ensure safe in utilization.

Drawings

Fig. 1 is a schematic structural view of a three-way member for refrigeration.

Fig. 2 is a schematic view of the structure of the inside of the three-way member for refrigeration.

Fig. 3 is a schematic structural view of a flow guide block in a three-way member for refrigeration.

In the figure: base 1, inner ring 2, water conservancy diversion piece 3, connecting pipe 4, top cap 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the present invention, a three-way component for refrigeration includes a base 1, an inner ring 2, a flow guiding block 3, a connecting pipe 4 and a top cover 5, wherein the base 1 is a hollow cylinder structure with an open top surface, a trumpet-shaped through hole is formed in a side wall of the base 1 corresponding to three branch pipes of the three-way, a radius of an inner end of the through hole is larger than a radius of an outer end, the through hole can be freely formed according to an included angle between the three branch pipes to meet connection between pipes with various included angles, a lower end of the connecting pipe 4 is outwardly passed through a through hole in a side wall of the base 1 from an inner cavity of the base 1, the connecting pipe 4 is welded in the through hole, the connecting pipe 4 is a round pipe with a trumpet-shaped inner end formed by punching, an outer diameter of the inner end is the same as an outer diameter of, the inner ring 2 can be attached to the outer side of the inner ring 2, and the inner ring 2 is inserted into the inner wall of the base 1 to be fixedly connected;

the inner ring 2 is a ring body with a circular through hole in the position, corresponding to the connecting pipe 4, of the side wall, the radius of the through hole is the same as the inner diameter of the inner end of the connecting pipe 4, the inner end of the connecting pipe 4 can be fixed, the top cover 5 is sleeved on the base 1 after the inner ring 2 is fixed, the top cover 5 is of a hollow cylinder structure with an opening in the bottom surface, the inner diameter of the top cover 5 is the same as the outer diameter of the base 1, a U-shaped notch is cut in the position, corresponding to the connecting pipe 4, of the side wall of the top cover 5, the notch is aligned with the connecting pipe 4 and sleeved on the base 1 and welded together, a sealed cavity is formed inside the base 1 and the;

the inner side of the inner ring 2 can be welded and fixed with the flow guide block 3, the flow guide block 3 is in a triangular prism shape, is arranged at the center of two connecting pipes 4 with the same flow direction on the inner ring 2, and the tip points to the centers of the inner sides of the connecting pipes 4 in different directions, so that the function of guiding the medium to flow can be achieved;

inner ring 2 and water conservancy diversion piece 3 are polytetrafluoroethylene material, can improve the shock-resistant and corrosion resisting property of tee bend inner chamber, improve life.

The utility model discloses a theory of operation is: from base 1's inner chamber outwards, pass base 1's lateral wall through-hole with connecting pipe 4 lower extreme outwards, and with connecting pipe 4 welding in the through-hole, the position of through-hole can be seted up wantonly according to the contained angle between the three branch pipe, can satisfy the connection between the multiple contained angle pipeline, 4 inner ends cutting of connecting pipe are by the arcwall face the same with base 1 inner wall, can laminate with inner ring 2's the outside, insert inner ring 2 fixed connection in base 1's the inner wall, cup joint top cap 5 on base 1 again after inner ring 2 is fixed, the inside of base 1 and top cap 5 has formed sealed cavity, and this cavity and three connecting pipe 4 intercommunication, can be when tee bend circulation high-pressure medium, stress can not concentrate on the seam, prevent to lead to fatigue fracture because stress concentration, ensure safe in utilization.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A three-way part for refrigeration comprises a base, an inner ring, a flow guide block, a connecting pipe and a top cover, and is characterized in that the base is of a hollow cylinder structure with an opening on the top surface, the positions of the side wall of the base, which correspond to three branch pipes of a three-way pipe, are provided with horn-shaped through holes, the radius of the inner end of each through hole is larger than that of the outer end of each through hole, the positions of the through holes can be formed according to included angles among the three branch pipes, the lower end of each connecting pipe outwards penetrates through the through hole of the side wall of the base from the inner cavity of the base, the connecting pipe is welded in the through hole, the connecting pipe is a round pipe with the inner end of the pipe punched into a horn shape, the outer diameter of the inner end is the same as that of the inner end of the through hole of the side wall;

the inner ring is a ring body with a circular through hole in the position, corresponding to the connecting pipe, of the side wall, the radius of the through hole is the same as the inner diameter of the inner end of the connecting pipe, the inner end of the connecting pipe is fixed, the top cover is sleeved on the base after the inner ring is fixed, the top cover is of a hollow cylinder structure with an opening in the bottom surface, the inner diameter of the top cover is the same as the outer diameter of the base, the position, corresponding to the connecting pipe, of the side wall of the top cover is cut through a U-shaped notch, the notch is aligned to the.

2. The three-way member for refrigeration as claimed in claim 1, wherein a guide block is welded and fixed to an inner side of the inner ring, the guide block has a triangular prism shape, and is disposed at a center of two connection pipes having the same flow direction on the inner ring, and a tip thereof is directed to a center of an inner side of the connection pipe in a different direction.

3. The three-way member for refrigeration of claim 1, wherein the inner ring and the deflector block are made of teflon.