CN210188770U

CN210188770U - Steel bushing for exhaust pipe of refrigeration equipment

Info

Publication number: CN210188770U
Application number: CN201921138979.3U
Authority: CN
Inventors: Xinqiang Wu; 吴信强
Original assignee: Guizhou Chengxin Refrigeration Equipment Co Ltd
Current assignee: Guizhou Chengxin Refrigeration Equipment Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-03-27
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a steel bushing for refrigeration plant blast pipe belongs to refrigeration plant accessory technical field, including sleeve pipe, ring, bush and two blast pipes, the sheathed tube upper and lower both ends extend to respectively in two relative one end mouths of pipe of blast pipe, the inboard and the sheathed tube pipe wall center department fixed connection of ring, the lateral wall of ring and the inboard fixed connection of bush, annular chamfer, two have all been seted up along in the upper and lower both ends mouth of pipe department of bush be equipped with fixed establishment in the annular chamfer. The utility model discloses, can be before the welding quick fixed blast pipe, the flow direction of crooked influence refrigerator appears in the exhaust duct after avoiding welding, and the blast pipe is difficult for appearing leaking when welding moreover and welds, the effectual welding quality of having guaranteed.

Description

Steel bushing for exhaust pipe of refrigeration equipment

Technical Field

The utility model relates to a refrigeration plant accessory technical field especially relates to a steel bushing for refrigeration plant exhaust pipe.

Background

The refrigerating equipment mainly comprises a compressor, an expansion valve, an evaporator, a condenser, accessories and pipelines, when the refrigeration equipment is operated, in order to avoid that the liquid refrigerant from the evaporator enters the cylinder to cause liquid impact, a liquid storage device is required to be arranged between the compressor and the evaporator, wherein, the exhaust pipe of the liquid storage device generally adopts a copper pipe, when the liquid storage device is assembled with the compressor, the exhaust pipe needs to be welded with a connecting pipeline on the shell of the compressor to complete the assembly of the liquid storage device and the compressor, and the exhaust pipes need to be kept coaxial during welding, but the existing exhaust pipes are simple in structure, the connection pipe on the compressor shell can not be ensured to be coaxial during welding, the welding quality is influenced, and the bent pipeline can change the flowing direction of the refrigerant, so that the refrigerant is convoluted, and the suction effect of the compressor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art current blast pipe structure comparatively simple, can't guarantee when the welding keep coaxial with the connecting pipe on the compressor housing, influenced welding quality, the pipeline of crooked can change the flow direction of refrigerant moreover for the refrigerant produces and circles round, has influenced the problem of compressor effect of breathing in, and the steel bushing for the refrigeration plant blast pipe that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a steel bushing for refrigeration plant blast pipe, includes sleeve pipe, ring, bush and two blast pipes, sheathed tube upper and lower both ends extend to respectively in the one end mouth of pipe that two blast pipes are relative, the inboard of ring and sheathed tube pipe wall center department fixed connection, the lateral wall of ring and the inboard fixed connection of bush, annular chamfer, two have all been seted up along in the upper and lower both ends mouth of pipe department of bush be equipped with fixed establishment in the annular chamfer.

Preferably, fixed establishment is including setting up the spacing ring piece in annular chamfer, the inclined plane of loop configuration is seted up to the lateral wall of spacing ring piece, the inclined plane cooperatees with the lateral wall of annular chamfer, the inboard of spacing ring piece slides with the inboard of blast pipe and cup joints, a plurality of evenly distributed's breach has all been seted up to the upper and lower both ends opening edge of bush, one side and the lateral wall intercommunication of bush of breach, the opposite side and one side intercommunication of annular chamfer of breach.

Preferably, a plurality of pressing blocks which are uniformly distributed are arranged in the annular chamfer, the pressing blocks are distributed annularly, and one end of each pressing block is fixedly connected with one side of the limiting ring block.

Preferably, the side wall of the sleeve is fixedly connected with a plurality of arc-shaped lugs which are uniformly distributed, and the arc-shaped lugs are uniformly distributed on the upper side and the lower side of the circular ring.

Preferably, the upper side and the lower side of the sleeve are fixedly connected with sleeves, and the side walls of the two sleeves are respectively in sliding sleeve joint with the inner walls of the two exhaust pipes.

Compared with the prior art, the utility model provides a steel bushing for refrigeration plant blast pipe possesses following beneficial effect:

1. this steel bushing for refrigeration plant exhaust pipe through spacing ring piece, sleeve pipe, bush, ring, annular chamfer, briquetting and the arc lug that is equipped with, can fix the blast pipe fast before the welding for connecting tube between reservoir and the compressor keeps coaxial, avoids the flow direction of crooked influence refrigerator to appear in welded exhaust duct.

2. This steel bushing for refrigeration plant blast pipe through breach, spacing ring piece and the annular chamfer that is equipped with, welding stress appears when can avoiding welding makes the pipeline crooked for the difficult appearance of blast pipe leaks to weld when welding, effectual assurance welding quality.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, can be before the welding quick fixation blast pipe, the flow direction of crooked influence refrigerator appears in the exhaust duct of avoiding after the welding, and the blast pipe is difficult for appearing leaking when welding moreover welds, the effectual welding quality of having guaranteed.

Drawings

Fig. 1 is a schematic structural view of a steel sleeve for an exhaust pipe of a refrigeration apparatus according to the present invention;

fig. 2 is a top view of a bushing and a ring in a steel bushing for an exhaust pipe of a refrigeration apparatus according to the present invention;

fig. 3 is an enlarged view of a structure at a in fig. 1.

In the figure: the device comprises an exhaust pipe 1, a sleeve 2, a sleeve 3, a bushing 4, a ring 5, a notch 6, an annular chamfer 7, an arc-shaped bump 8, a pressing block 9 and a limiting ring block 10.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a steel bushing for an exhaust pipe of a refrigeration equipment, comprising a sleeve 3, a ring 5, a bushing 4 and two exhaust pipes 1, wherein the upper end and the lower end of the sleeve 3 respectively extend into pipe orifices at the opposite ends of the two exhaust pipes 1, the inner side of the ring 5 is fixedly connected with the center of the pipe wall of the sleeve 3, the ring 5 is matched with the sleeve 3 to limit the exhaust pipes 1, so that the two exhaust pipes 1 keep coaxial, the lengths of the sleeve 3 extending into the exhaust pipes 1 are the same, the side wall of the ring 5 is fixedly connected with the inner side of the bushing 4, the inner edges of the pipe orifices at the upper end and the lower end of the bushing 4 are both provided with annular chamfers 7, a holding tank is formed between the annular chamfers 7 and the pipe walls of the exhaust pipes 1 and can hold melted welding solder, so that the steel bushing and the exhaust pipes 1 have good sealing performance after being welded, fixing mechanisms are arranged in the two annular chamfers, the side wall of the limit ring block 10 is provided with an inclined plane with an annular structure, the inclined plane is matched with the side wall of an annular chamfer 7, the inner side of the limit ring block 10 is in sliding sleeve joint with the inner side of an exhaust pipe 1, the opening edges of the upper end and the lower end of a lining 4 are respectively provided with a plurality of uniformly distributed notches 6, the notches 6 are convenient for fixing the limit ring block 10 by spot welding, so that the limit ring block 10 keeps extrusion force on the exhaust pipe 1, one side of each notch 6 is communicated with the side wall of the lining 4, the other side of each notch 6 is communicated with one side of the annular chamfer 7, a plurality of uniformly distributed pressing blocks 9 are arranged in the annular chamfer 7, the plurality of pressing blocks 9 are distributed annularly, one end of each pressing block 9 is fixedly connected with one side of the limit ring block 10, the pressing blocks 9 are convenient for using a wire pliers to press the limit ring block 10, the side wall of the, radius of arc lug 8 is 0.3mm, when spacing ring piece 10 extrudees blast pipe 1, arc lug 8 and the contact of 1 inner wall of blast pipe for blast pipe 1 is difficult for the slippage, the equal fixedly connected with sleeve 2 in the upper and lower both sides of sleeve pipe 3, the external diameter of sleeve 2 is the same with blast pipe 1's internal diameter, two sleeve 2's lateral wall slides with two blast pipe 1's inner wall respectively and cup joints, avoid causing the blast pipe 1 to weld the back because of the fit-up gap between sleeve pipe 3 and the blast pipe 1 and appear crooked.

In the utility model, when in use, the limiting ring blocks 10 are respectively sleeved on the two exhaust pipes 1, the sleeve 3 is extended into the exhaust pipes 1, the limiting ring blocks 10 are slid by hands, the limiting ring blocks 10 are moved into the annular chamfers 7 under stress, the steel wire pliers are used for clamping the pressing blocks 9 one by one, the pressing blocks 9 are driven by stress to drive the limiting ring blocks 10 to move, the limiting ring blocks 10 move to be contacted with the annular chamfers 7 and reversely extrude the exhaust pipes 1 to be contacted with the arc-shaped lugs 8, so that the exhaust pipes 1 can be quickly fixed before welding, the connecting pipeline between the liquid storage device and the compressor is kept coaxial, the flow direction of a refrigerator is prevented from being influenced by the bending of the exhaust pipeline after welding, the edges of the limiting ring blocks 10 are welded from the gaps 6 by using flame welding matched welding rods, the extrusion force of the limiting ring blocks 10 to the exhaust pipes 1 can, then the full-length welding is carried out at the gap between the 7-ring-shaped chamfer on the lining sleeve 4 and the exhaust pipe 1, so that the exhaust pipe 1 is not easy to leak during welding, and the welding quality is effectively ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a steel bushing for refrigeration plant blast pipe, includes sleeve pipe (3), ring (5), bush (4) and two blast pipes (1), its characterized in that, the upper and lower both ends of sleeve pipe (3) extend to respectively in two blast pipes (1) relative end pipe mouths, the inboard of ring (5) and the pipe wall center department fixed connection of sleeve pipe (3), the lateral wall of ring (5) and the inboard fixed connection of bush (4), annular chamfer (7), two have all been seted up along all in the upper and lower both ends pipe mouth department of bush (4) be equipped with fixed establishment in annular chamfer (7).

2. The steel bushing for the exhaust pipe of the refrigeration equipment as recited in claim 1, wherein the fixing mechanism comprises a limit ring block (10) arranged in the annular chamfer (7), the side wall of the limit ring block (10) is provided with an inclined plane of an annular structure, the inclined plane is matched with the side wall of the annular chamfer (7), the inner side of the limit ring block (10) is slidably sleeved with the inner side of the exhaust pipe (1), the opening edges of the upper end and the lower end of the bushing (4) are provided with a plurality of uniformly distributed notches (6), one side of each notch (6) is communicated with the side wall of the bushing (4), and the other side of each notch (6) is communicated with one side of the annular chamfer (7).

3. The steel bushing for the exhaust pipe of the refrigeration equipment as recited in claim 1, wherein a plurality of evenly distributed pressing blocks (9) are arranged in the annular chamfer (7), the plurality of pressing blocks (9) are distributed annularly, and one end of each pressing block (9) is fixedly connected with one side of the limit ring block (10).

4. The steel bushing for the exhaust pipe of the refrigeration equipment as recited in claim 1, wherein a plurality of evenly distributed arc-shaped protrusions (8) are fixedly connected to the side wall of the sleeve (3), and the arc-shaped protrusions (8) are evenly distributed on the upper side and the lower side of the circular ring (5).

5. The steel bushing for the exhaust pipe of the refrigeration equipment as recited in claim 1, wherein the sleeves (2) are fixedly connected to the upper and lower sides of the sleeve (3), and the side walls of the two sleeves (2) are respectively slidably sleeved with the inner walls of the two exhaust pipes (1).