CN210399252U

CN210399252U - Multi-group pipe conversion connecting device

Info

Publication number: CN210399252U
Application number: CN201921266491.9U
Authority: CN
Inventors: 吴承荣; 钱伟; 吴良岳
Original assignee: Taiwan Semiconductor Manufacturing Co TSMC Ltd
Current assignee: Guangdong Chigo Heating and Ventilation Equipment Co Ltd; Taiwan Semiconductor Manufacturing Co TSMC Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-24
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a multiunit pipe conversion connecting device, including an outdoor unit, many indoor units, box body and valve seat board, wherein, the valve seat board is including the base plate that is used for supplying valve pipe subassembly to bear the weight of the installation, the base plate is formed with the first installation layer and the second installation layer that are step-like by its back towards positive direction protrusion, the box body shaping has the chamber that holds that is used for holding valve seat board and valve pipe subassembly, a plurality of first output valves and a plurality of second output valves of valve pipe subassembly are drawn forth respectively and are installed on the front of first installation layer and second installation layer, the high-pressure main valve and the low pressure main valve of valve pipe subassembly are drawn forth and are installed on the box body front and are linked together with the high pressure interface and the low pressure interface of outdoor unit respectively; the high-pressure main valve is communicated with each first output valve; the low-pressure main valve is communicated with each second output valve; the high-pressure interface and the low-pressure interface of each indoor unit are respectively communicated with a first output valve and a second output valve.

Description

Multi-group pipe conversion connecting device

Technical Field

The utility model belongs to the technical field of air conditioner connection structure's technique and specifically relates to indicate a multiunit pipe conversion connecting device.

Background

In the prior air conditioning field, for some multi-split air conditioners, a valve seat plate is used as a bearing important part of a valve pipe assembly communicated with an interface of an inner machine and an outer machine. For most of multi-group pipe valve seat plates on the market at present, a high-pressure valve assembly and a low-pressure valve assembly are directly and integrally welded on the valve seat plate, and after each stop valve is connected with a quick connector, the distance between the quick connector and the valve seat plate is very close, particularly, the high-pressure valve assembly and the high-pressure and low-pressure valve assembly which are one to five are particularly obvious, so that the following problems exist in the machine adopting the mode: 1) the valve seat plate, the high-pressure valve assembly and the low-pressure valve assembly are all in a general assembly welding mode, and the phenomena of multiple welding spots and air leakage are frequently caused; 2) the sheet metal parts around are easy to burn black in the welding process, and the problem of unqualified quality is easy to cause. 3) The quick connector is quite static away from the valve seat plate, so that the space for operating the wrench is small, the operation is inconvenient, and the efficiency is low. 4) The distribution of the internal space is unreasonable, and the actual assembly operation is inconvenient.

Secondly, the existing multi-group pipe outdoor unit is hung with a plurality of groups of stop valves, the indoor unit connecting pipe and the plurality of pipes are directly connected with the external stop valve, the multi-group pipe outdoor unit with a smaller box body cannot be provided with a main valve due to the limited space, and each stop valve body needs to be closed when a refrigerant is closed, so that a large main valve box body is usually selected in an actual product, and the cost is increased. In addition, the existing external machine is hung with a plurality of groups of stop valves, so that the external machine with a plurality of groups of pipes is greatly different from the common external machine with one dragging and the other dragging, and the reference of the external machine with a plurality of groups of pipes is inconsistent with that of the common external machine with one dragging and the other dragging; multiple sets of pipe projects are developed on a one-to-one basis, the development cost is high, and the period is long; is not beneficial to fast switching and has poor universality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide a do not receive outer quick-witted box space restriction, convenient operation's multiunit pipe conversion connecting device.

In order to realize foretell purpose, the utility model provides a multiunit pipe conversion connecting device, including an outdoor unit and many indoor units, still include box body and valve seat board, wherein, the valve seat board is including being used for supplying valve pipe subassembly to bear the base plate of installation, the base plate is formed with the first mounting layer and the second mounting layer that are the step form by its back towards positive direction protrusion, the box body shaping has the chamber that holds that is used for holding valve seat board and valve pipe subassembly, wherein, box body back shaping supplies the valve seat board to put into the back opening that holds the chamber, the positive shaping of box body has the front opening that supplies first mounting layer and second mounting layer to pass and outstanding outside the box body, a plurality of first output valve and a plurality of second output valve of valve pipe subassembly draw forth respectively and install on the front of first mounting layer and second mounting layer, the high-pressure main valve and the low-pressure main valve of valve subassembly draw forth and install on the box body and connect with the high-pressure interface and the low pressure of outdoor unit respectively and connect to connect on the front The ports are communicated; the high-pressure main valve is communicated with each first output valve; the low-pressure main valve is communicated with each second output valve; the high-pressure interface and the low-pressure interface of each indoor unit are respectively communicated with a first output valve and a second output valve.

Further, the first mounting layer is formed with a plurality of first valve pipe mounting openings arranged along the length direction of the substrate, wherein each first valve pipe mounting opening is formed with a first pipe inlet channel extending towards the edge direction of one side of the substrate; the second mounting layer is formed with a plurality of second valve pipe mounting openings arranged along the length direction of the substrate, wherein each second valve pipe mounting opening is extended towards the other side edge direction of the substrate to form a second pipe inlet channel.

Further, a valve pipe screw hole is formed around each of the first valve pipe mounting port or the second valve pipe mounting port.

Further, each of the first pipe inlet passages extends in an obliquely downward direction; each of the second pipe inlet passages extends in an obliquely upward direction.

Further, each of the first tube-in passage/the second tube-in passage is arranged in parallel.

Further, the first valve pipe mounting openings are arranged at equal intervals along the length direction of the substrate.

Further, the second valve pipe mounting ports are arranged at equal intervals along the length direction of the substrate.

Further, a vertical distance between the first mounting layer and the substrate is smaller than a vertical distance between the second mounting layer and the substrate.

And the fixing plate is further provided, wherein two ends of the fixing plate are folded downwards to form bent edges fixedly connected with the back of the first mounting layer.

Further, the box body comprises a cover plate for covering the rear opening of the box body.

The utility model adopts the above technical scheme, its beneficial effect lies in: 1) the valve seat plate is an integral structure integrally formed by the base plate, so that the first mounting layer and the second mounting layer are respectively used for matching and assembling the high-pressure valve assembly and the low-pressure valve assembly, the installation is simple, the maintenance is convenient, and the difficulty in maintenance and repair is greatly reduced; 2) through the multiunit pipe conversion connecting device that disk seat board, box body and valve pipe subassembly constitute, can need not to change current ordinary "one drags one" off-premises station structure, alright realize the function of "dragging more", can choose for use suitable output valve pipe wantonly according to actual indoor set working quantity, convenient operation increases substantially work efficiency.

Drawings

FIG. 1 is a schematic diagram of a multi-group pipe connection according to an embodiment.

Fig. 2 is a front view of the multi-group tube conversion connecting device of the embodiment.

Fig. 3 is a top view of the multi-group pipe conversion connection device of the embodiment.

Fig. 4 is a rear view of the cartridge body and valve seat plate of the embodiment.

Fig. 5 is a schematic view of the installation of the valve seat plate of the embodiment.

Fig. 6 is a schematic structural view of a valve seat plate of the embodiment.

Fig. 7 is a top view of a valve seat plate of an embodiment.

The high-pressure valve assembly comprises a high-pressure valve assembly 1, a high-pressure main valve 11, a first output valve 12, a low-pressure valve assembly 2, a second output valve 21, a low-pressure main valve 22, a base plate 100, a first installation layer 110, a first valve pipe installation port 111, a first pipe inlet channel 112, a second installation layer 120, a second valve pipe installation port 121, a second pipe inlet channel 122, a second pipe inlet channel 130, a fixing plate 131, a bent edge 300, an outdoor unit 400, an indoor unit 200, a box body 210 and a cover plate 210.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete. It should be noted that the terms "first" and "second" in the present invention do not denote any particular quantity or order, but rather are used for distinguishing names.

Referring to fig. 1 to 6, in the present embodiment, a multiple-tube switching and connecting device includes an outdoor unit 300, five indoor units 400, a box 200, a valve seat plate, a cover plate 210, and a valve tube assembly, wherein the box 200 is formed with an accommodating cavity for accommodating the valve seat plate and the valve tube assembly, the back of the box 200 is formed with a rear opening for placing the valve seat plate into the accommodating cavity, and the front of the box 200 is open. The valve seat plate includes a base plate 100 and a fixing plate 130 for bearing-mounting the valve tube assembly, which includes five sets of high pressure valve assemblies 1 and five sets of low pressure valve assemblies 2 in the present embodiment. The substrate 100 of the present embodiment is formed with the first mounting layer 110 and the second mounting layer 120 in a step shape by protruding from the back surface B toward the front surface a, so that the plane where the substrate 100, the first mounting layer 110 and the second mounting layer 120 are located is arranged in three steps.

In this embodiment, the first mounting layer 110 is formed with a plurality of first valve tube mounting ports 111 arranged in a lengthwise direction of the substrate 100, wherein each first valve pipe mounting opening 111 is extended and formed with a first pipe inlet channel 112 towards one edge direction of the substrate 100, that is, the first pipe inlet passage 112 of the present embodiment is located on the right side of the substrate 100 with reference to the back surface B of the substrate 100, the first valve pipe mounting port 111 and the first pipe inlet passage 112 are used for fitting the first output valve 11 of the high pressure valve assembly 1, by placing the first output valves 11 of the five groups of high pressure valve assemblies 1 into the five first pipe inlet passages 112 one by one respectively, until the first output valve 11 is put into the first valve pipe mounting port 111, the first output valve 11 of each high-pressure valve assembly 1 is then fixed to the first mounting layer 110 with a self-tapping screw through a valve pipe screw hole formed around each first valve pipe mounting port 111. Next, each of the first pipe inlet passages 112 extends in an obliquely downward direction (an oblique angle of 30 °), and the respective first valve pipe mounting ports 111 and the first pipe inlet passages 112 are arranged in parallel at equal intervals.

In addition, the fixing plate 130 is formed with bent edges 131 at both ends thereof and fixedly connected to the back surface of the first mounting layer 110 by means of welding the two bent edges 131 to the back surface of the first mounting layer 110, so that the fixing plate 130 is arranged to extend along the length direction of the substrate 100. A vertical distance is formed between the top surface of the fixing plate 130 and the back surface of the first mounting layer 110, and the fixing plate 130 is used for supporting the filters of the high pressure valve assembly 1, that is, the five filters of the five groups of high pressure valve assemblies 1 are fixedly mounted on the top surface of the fixing plate 130 by a plurality of preset pipe clamps and screws.

In this embodiment, the second mounting layer 120 is formed with a plurality of second valve pipe mounting ports 121 arranged along the length direction of the substrate 100, wherein each second valve pipe mounting port 121 is extended and formed with a second pipe inlet passage 122 towards the other side edge of the substrate 100, that is, the second pipe inlet passage 122 of the present embodiment is located on the left side of the base plate 100 with reference to the back surface B of the base plate 100, the first valve pipe mounting port 111 and the second pipe inlet passage 122 are for fitting the second output valve 21 of the low pressure valve assembly 2, by placing the second output valves 21 of the five groups of low pressure valve assemblies 2 one by one into the five second pipe inlet passages 122 respectively, until the second output valve 21 is put into the second valve pipe mounting openings 121, and then the second output valve 21 of each low-pressure valve assembly 2 is fixed to the second mounting layer 120 with a tapping screw through a valve pipe screw hole formed around each second valve pipe mounting opening 121. Next, each of the second pipe inlet passages 122 extends in an obliquely upward direction (the angle of inclination is 30 °), and the second valve pipe mounting ports 121 and the second pipe inlet passages 122 are arranged in parallel at equal intervals.

Secondly, the vertical distance between the first mounting layer 110 and the substrate 100 of the embodiment is greater than the vertical distance between the second mounting layer 120 and the substrate 100, so that the first output valve 11 of the high-pressure valve assembly 1 mounted on the substrate 100 and the second output valve 21 of the low-pressure valve assembly 2 are arranged in a staggered manner, which is more convenient for subsequent assembly work. Secondly, the connection ports of the first and

second outlet valves

11 and 21 fixedly installed on the front surfaces of the first and

second installation floors

110 and 120 are each inclined upward by 30 ° so as to be connected to each indoor unit 400, and there is enough space for a wrench to perform a screwing operation.

In the present embodiment, the low pressure valve assembly 2 is disposed on a side of the electronic expansion valve close to the high pressure valve assembly 1, the electronic expansion valve and the first output valve 11 of the high pressure valve assembly 1 are respectively disposed on two sides of the base plate 100, that is, the electronic expansion valve is disposed on a back surface of the base plate 100, the first output valve 11 is disposed on a front surface of the base plate 100, and the plurality of first output valves 11, the plurality of filters, and the plurality of electronic expansion valves of the high pressure valve assembly 1 are in one-to-one correspondence and sequentially communicated with each other through a preset pipe. In this way, the space is fully utilized, so that the space for fixedly integrating the high-pressure valve assembly 1 and the low-pressure valve assembly 2 in the box body of the multi-split air conditioner is more reasonable.

Secondly, the high-pressure main valve 12 of the high-pressure valve assembly 1 is installed on the front surface of the box body 200 and extends into the inner cavity of the box body 200 through a pipeline to be communicated with each electronic expansion valve of the high-pressure valve assembly 1, so that the high-pressure main valve 12 is communicated with the plurality of first output valves 11, and the function of 'one-to-many' is achieved; similarly, the low-pressure main valve 22 of the low-pressure valve assembly 2 is installed on the front surface of the box body 200 and extends into the inner cavity of the box body 200 through a pipeline to be communicated with each second output valve 21 of the low-pressure valve assembly 2, so that the high-pressure main valve 12 is communicated with the plurality of first output valves 11, and the function of 'one-to-many' is achieved. For convenience of wiring, the high-pressure main valve 12 and the low-pressure main valve 22 of the present embodiment are disposed adjacent to the front surface of the case 200, and the conduits of the high-pressure main valve 12 and the low-pressure main valve 22 may extend into the receiving chamber through any one of the first inlet conduit passage 112 or the second inlet conduit passage 122 adjacent thereto.

In this embodiment, the multi-tube conversion connector can be obtained by pre-mounting the valve tube assembly on the valve seat plate, then placing the valve seat plate into the accommodating cavity from the rear opening of the box body 200 (the edge of the base plate 100 is formed with bolt holes for fitting bolts, and the base plate 100 is fixedly connected with the inner wall of the accommodating cavity by bolts), and making the first mounting layer 110 and the second mounting layer 120 pass through the front opening and then out of the box body 200, so that each of the pre-mounted first output valve 11 and the second output valve 21 is exposed outside the box body 200, then fixedly mounting the high-pressure main valve 12 and the low-pressure main valve 22 on the front surface of the box body 200 by screws, and finally covering the cover plate 210 on the rear opening of the box body 200 by screws.

The high-pressure main valve 12 and the low-pressure main valve 22 of the present embodiment are respectively communicated with the high-pressure port and the low-pressure port of the outdoor unit 300 through pipes; the five first output valves 11 and the five second output valves 21 are respectively in one-to-one correspondence with the five indoor units 400, that is, a high-pressure interface and a low-pressure interface of each indoor unit 400 are respectively communicated with one first output valve 11 and one second output valve 21, so that the common outdoor unit 300 can be communicated with a plurality of indoor units 400 through a multi-group pipe conversion connecting device without changing the existing interfaces, the effect of 'one driving more' is achieved, and the corresponding number of the first output valves 11 and the corresponding number of the second output valves 21 can be selected according to the actual number of the outdoor units 300, so that the outdoor unit is flexible and changeable.

Further, the valve seat plate of the embodiment can be manufactured and formed by punching and punching a non-passivated hot-dip galvanized plate with the thickness of 1.2mm, and the manufacturing cost is low and the efficiency is high. In addition, a plurality of screw holes are formed at the edge of the base plate 100 so that the base plate 100 is fixedly mounted on the multi-split housing.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents of the embodiments of the invention without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims

1. The utility model provides a multiunit pipe switching connecting device, includes an outdoor machine (300) and many indoor machines (400), its characterized in that: still include box body (200) and valve seat board, wherein, the valve seat board is including being used for supplying valve pipe assembly to bear base plate (100) of installation, base plate (100) are formed with first installation layer (110) and second installation layer (120) that are the step-like by its back (B) towards positive (A) direction protrusion, box body (200) shaping has the chamber that holds that is used for holding valve seat board and valve pipe assembly, wherein, box body (200) back shaping supplies the valve seat board to put into the back opening that holds the chamber, box body (200) front shaping has the preceding opening that supplies first installation layer (110) and second installation layer (120) to pass and protrude to the box body (200) outside, a plurality of first output valve (11) and a plurality of second output valve (21) of valve pipe assembly draw forth and install respectively on the front of first installation layer (110) and second installation layer (120), high-pressure main valve (12) and low-pressure main valve (22) of valve pipe assembly draw forth and install on box body (200) front and divide box body (200) to be divided Is respectively communicated with a high-pressure interface and a low-pressure interface of the outdoor unit (300); the high-pressure main valve (12) is communicated with each first output valve (11); the low-pressure main valve (22) is communicated with each second output valve (21); the high-pressure interface and the low-pressure interface of each indoor unit (400) are respectively communicated with a first output valve (11) and a second output valve (21).

2. The multi-group pipe conversion connecting device according to claim 1, wherein: the first mounting layer (110) is formed with a plurality of first valve pipe mounting openings (111) arranged along the length direction of the substrate (100), wherein each first valve pipe mounting opening (111) extends towards the edge direction of one side of the substrate (100) to form a first pipe inlet channel (112); the second mounting layer (120) is formed with a plurality of second valve pipe mounting openings (121) arranged along the length direction of the substrate (100), wherein each second valve pipe mounting opening (121) extends towards the other side edge of the substrate (100) and is formed with a second pipe inlet passage (122).

3. The multi-group pipe conversion connecting device according to claim 2, wherein: a valve screw hole is formed around each of the first valve pipe mounting port (111) or the second valve pipe mounting port (121).

4. The multi-group pipe conversion connecting device according to claim 2, wherein: each of the first pipe inlet passages (112) extends in an obliquely downward direction; each of the second pipe inlet passages (122) extends in an obliquely upward direction.

5. The multi-group pipe conversion connecting device according to claim 2, wherein: the first pipe inlet channel (112)/the second pipe inlet channel (122) are arranged in parallel.

6. The multi-group pipe conversion connecting device according to claim 1, wherein: the first valve pipe mounting openings (111) are arranged at equal intervals along the length direction of the substrate (100).

7. The multi-group pipe conversion connecting device according to claim 1, wherein: the second valve pipe mounting openings (121) are arranged at equal intervals along the length direction of the substrate (100).

8. The multi-group pipe conversion connecting device according to claim 1, wherein: the vertical distance between the first mounting layer (110) and the substrate (100) is smaller than the vertical distance between the second mounting layer (120) and the substrate (100).

9. The multi-group pipe conversion connecting device according to claim 1, wherein: the fixing plate is characterized by further comprising a fixing plate (130), wherein bent edges (131) fixedly connected with the back surface of the first mounting layer (110) are formed at two ends of the fixing plate (130) in a downward folding mode.

10. The multi-group pipe conversion connecting device according to claim 1, wherein: also comprises a cover plate (210) for covering the rear opening of the box body (200).