A connection structure for air conditioning pipes

Abstract

This invention provides a connection structure for air conditioning pipes, relating to the field of air conditioning pipe connections. It includes: a connecting pipe, a fixing plate, sealing washers, a connecting nut, a connecting platform, a connecting plate, an audible and visual alarm, and a fixing rod. The fixing plate is fixedly connected to the middle of the connecting pipe. The connecting nut is threadedly connected to the left and right sides of the connecting pipe. The sealing washers are located on the left and right sides of the connecting pipe. The connecting platform is fixedly connected to the outside of the connecting nut. The connecting plate is threadedly connected to the outside of the connecting platform. The audible and visual alarm is fixedly connected to the outside of the connecting plate. The fixing rod is fixedly connected to the middle of the connecting pipe. This invention avoids situations where the connection lengths of the copper pipes on both sides differ excessively, ensuring the tightness of the air conditioning pipe connection, improving the connection effect of the air conditioning pipe, and enhancing the usability of the connection structure. It solves the problem that existing connection structures easily affect the connection effect of air conditioning copper pipes and the usability of the connection structure itself.

Description

Technical Field

[0001] This invention relates to the field of air conditioning pipe connection technology, and in particular to a connection structure for air conditioning pipes. Background Technology

[0002] When installing an air conditioner, the installation positions of the indoor and outdoor units need to be adjusted according to the house structure. If the copper pipe is not long enough, a connecting structure is needed to splice the copper pipe. When splicing, the nut on the connector should be removed first, the nut and washer should be put on the outside of the copper pipe, the copper pipe should be inserted into the connector, and the nut should be tightened to complete the connection.

[0003] For example, CN107504303B discloses an air conditioning pipe connection structure and an air conditioner. The air conditioning pipe connection structure includes a shut-off valve and a connecting pipe. The shut-off valve includes a valve body and a sealing joint connected to the valve body. The sealing joint has a first axial through hole. A first fastening nut is fitted on the connecting pipe. One end of the connecting pipe is inserted into the sealing joint, and the first fastening nut is fastened to the sealing joint. The connecting pipe has a first protrusion that bulges outward along its radial direction. The end face of the sealing joint and the first protrusion are squeezed together by the first fastening nut to form a first seal. One of the connecting pipe and the sealing joint has a first groove that bulges inward along its radial direction. A first sealing ring is provided in the first groove. The first sealing ring is supported between the sealing joint and the connecting pipe to form a second seal. In the above technical solution, the connection between the shut-off valve and the connecting pipe is designed with a double sealing structure, which can significantly improve the refrigerant leakage situation and reduce the maintenance rate of the air conditioner.

[0004] However, when connecting copper pipes, the length of the copper pipe entering the connector needs to be judged by the operator's experience. If an operational error occurs, it is easy to cause a large difference in the connection length of the copper pipes on both sides. In this case, the copper pipe on the side with the shorter connection length has less contact area with the connector, which can easily affect the tightness of the connection, and thus affect the connection effect of the air conditioning copper pipe and the use effect of the connection structure. Summary of the Invention

[0005] In view of this, the present invention provides a connection structure for air conditioning pipes, which reduces the difficulty of using the connection structure, reduces the steps of judging the connection length of copper pipes, improves the connection efficiency of the pipes, effectively avoids the situation where the connection lengths of the copper pipes on both sides differ too much, ensures that there is a certain contact area between the air conditioning copper pipe and the connecting pipe, ensures the tightness of the connection of the air conditioning pipes, improves the connection effect of the air conditioning pipes, and improves the use effect of the connection structure.

[0006] This invention provides a connection structure for an air conditioning pipe, comprising: a connecting pipe, a fixing plate, sealing gaskets, connecting nuts, a positioning structure, a connecting platform, a limiting structure, a detection structure, an audible and visual alarm, and a fixing rod. The fixing plate is fixedly connected to the middle of the connecting pipe, and the outer side of the fixing plate has a polygonal structure. Two connecting nuts are provided, each threaded onto the left and right sides of the connecting pipe. Two sealing gaskets are provided, each located on the left and right sides of the connecting pipe. The positioning structure is located on the outer side of the connecting pipe. Two connecting platforms are provided, each fixedly connected to the outer side of the two connecting nuts. Two connecting plates are provided, each threadedly connected to the outer side of the two connecting platforms. The limiting structure is located on the inner side of the connecting pipe. The detection structure is located on the outer side of the connecting plates. Two audible and visual alarms are provided, each fixedly connected to the outer side of the two connecting plates, and the control circuits of both audible and visual alarms are connected in parallel with the air conditioning control circuit. The fixing rod is fixedly connected to the middle of the connecting pipe.

[0007] Furthermore, the limiting structure includes guide grooves and connecting sliders; four guide grooves are provided, and the four guide grooves are evenly distributed on the left and right sides of the connecting tube; four connecting sliders are provided, and the four connecting sliders are respectively slidably connected to the inner sides of the four guide grooves.

[0008] Furthermore, the limiting structure also includes elastic elements and limiting rods; four elastic elements are provided, and the four connecting sliders are elastically connected to the connecting tube through the four elastic elements; two limiting rods are provided, and the two limiting rods are respectively fixedly connected to the inner sides of the two connecting sliders on the left and the two connecting sliders on the right.

[0009] Furthermore, the limiting structure also includes a first limiting ring, a single-head connecting seat, and a connecting rod; two first limiting rings are provided, and the two first limiting rings are respectively fixedly connected to the middle of the two limiting rods; four single-head connecting seats are provided, and the four single-head connecting seats are respectively slidably connected to the upper and lower sides of the two limiting rods; four connecting rods are provided, and the four connecting rods are respectively hinged to the inner side of the four single-head connecting seats, with the two connecting rods on the left side hinged to each other and the two connecting rods on the right side hinged to each other.

[0010] Furthermore, the limiting structure also includes a second limiting ring and a double-headed connecting seat; the second limiting ring is fixedly connected to the middle part of the fixed rod; two double-headed connecting seats are provided, and the two double-headed connecting seats are slidably connected to the upper and lower sides of the fixed rod respectively, and the two double-headed connecting seats are respectively hinged to the four connecting rods.

[0011] Furthermore, the detection structure includes positioning rods and positioning plates; there are eight positioning rods, which are evenly distributed and fixedly connected to the outside of the two connecting plates; the start buttons of the two audible and visual alarms are respectively located in the middle of the uppermost positioning rod on the left and the middle of the uppermost positioning rod on the right; there are two positioning plates, which are fixedly connected to the outside of the eight positioning rods.

[0012] Furthermore, the detection structure also includes rubber gaskets and detection airbags; two rubber gaskets are provided, and the two rubber gaskets are respectively fixedly connected to the inner side of the two positioning plates; two detection airbags are provided, and the two detection airbags are respectively fixedly connected to the outer side of the two connecting plates, and the two detection airbags are respectively fixedly connected to the two positioning plates.

[0013] Furthermore, the positioning structure includes an active gear ring and a dial hole; two active gear rings are provided, and the two active gear rings are rotatably connected to the outside of the two connecting nuts respectively; multiple dial holes are provided, and the multiple dial holes are evenly distributed on the outside of the two active gear rings.

[0014] Furthermore, the positioning structure also includes a pressing plate, limiting screws, and driven gears; multiple limiting screws are provided, and the multiple limiting screws are evenly distributed and rotatably connected to the outside of the two connecting nuts; two pressing plates are provided, and the two pressing plates are respectively threaded to the inside of the multiple limiting screws, and the outside of the pressing plates has a polygonal structure; multiple driven gears are provided, and the multiple driven gears are respectively fixedly connected to the outside of the multiple limiting screws, and the multiple driven gears respectively mesh with the two driving gear rings.

[0015] Furthermore, the positioning structure also includes a compression ring and a positioning airbag; two positioning airbags are provided, and the two positioning airbags are respectively sleeved on the left and right sides of the connecting tube; two compression rings are provided, and the two compression rings are respectively sleeved on the left and right sides of the connecting tube.

[0016] Beneficial effects

[0017] The positioning airbags fix the copper pipe in place, preventing the copper pipe from being pulled and causing the connection between the copper pipe and the indoor and outdoor units of the air conditioner to loosen, thus ensuring the stability of the copper pipe connection. At the same time, they can also seal the pipe outlet hole in the wall panel, reducing indoor and outdoor air flow and ensuring the air conditioner's performance.

[0018] When a pipe leak occurs, the system detects the expansion and deformation of the airbag and activates an audible and visual alarm to alert the user to the leak, enabling timely repair of the air conditioner. Furthermore, the location of the activated alarm also indicates the location of the leak to repair personnel, improving repair efficiency.

[0019] By moving the limiting rod through the copper pipe, the space on both sides of the connecting pipe becomes equal, reducing the difficulty of using the connection structure, reducing the steps of judging the copper pipe connection length, improving the connection efficiency of the pipeline, effectively avoiding the situation where the connection lengths of the copper pipes on both sides differ too much, ensuring a certain contact area between the air conditioning copper pipe and the connecting pipe, ensuring the tightness of the air conditioning pipeline connection, improving the connection effect of the air conditioning pipeline, and improving the use effect of the connection structure. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0021] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0022] In the attached diagram:

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0024] Figure 2 This is a schematic diagram of the installation location of the audible and visual alarm device of the present invention.

[0025] Figure 3 This is a schematic diagram showing the positional relationship between the connecting nut and the connecting platform of the present invention.

[0026] Figure 4 This is a schematic diagram showing the positional relationship between the limiting screw and the extrusion plate of the present invention.

[0027] Figure 5 This is a schematic diagram of the meshing relationship between the driven gear and the driving gear ring of the present invention.

[0028] Figure 6 This is a cross-sectional structural diagram of the present invention.

[0029] Figure 7 This is a cross-sectional view of the connecting plate of the present invention.

[0030] Figure 8This is a schematic diagram of the installation position of the connecting rod of the present invention.

[0031] List of reference numerals

[0032] 1. Connecting pipe; 101. Guide groove; 102. Connecting slider; 103. Elastic element; 104. Limiting rod; 105. First limiting ring; 106. Single-head connecting seat; 107. Connecting rod; 108. Extrusion ring; 109. Positioning airbag; 2. Fixing plate; 3. Sealing washer; 4. Connecting nut; 401. Extrusion plate; 402. Driving gear ring; 403. Pulling hole; 404. Limiting screw; 405. Driven gear; 5. Connecting platform; 6. Connecting plate; 601. Positioning rod; 602. Positioning plate; 603. Rubber washer; 604. Detection airbag; 7. Audible and visual alarm; 8. Fixing rod; 801. Second limiting ring; 802. Double-head connecting seat. Detailed Implementation

[0033] Example 1: Please refer to Figures 1 to 6 As shown:

[0034] This invention provides a connection structure for an air conditioning pipe, including a connecting pipe 1, a fixing plate 2, sealing washers 3, connecting nuts 4, and a positioning structure; the fixing plate 2 is fixedly connected to the middle of the connecting pipe 1, and the outer side of the fixing plate 2 has a polygonal structure; two connecting nuts 4 are provided, and the two connecting nuts 4 are respectively threaded to the left and right sides of the connecting pipe 1; two sealing washers 3 are provided, and the two sealing washers 3 are respectively provided on the left and right sides of the connecting pipe 1; the positioning structure is provided on the outer side of the connecting pipe 1.

[0035] The positioning structure includes an active gear ring 402 and a dial hole 403. Two active gear rings 402 are provided, and the two active gear rings 402 are rotatably connected to the outside of the two connecting nuts 4 respectively. Multiple dial holes 403 are provided, and the multiple dial holes 403 are evenly distributed on the outside of the two active gear rings 402.

[0036] The positioning structure also includes a pressing plate 401, a limiting screw 404, and a driven gear 405. Multiple limiting screws 404 are evenly distributed and rotatably connected to the outside of two connecting nuts 4. Two pressing plates 401 are threadedly connected to the inside of the multiple limiting screws 404, and the outside of the pressing plates 401 has a polygonal structure. Multiple driven gears 405 are fixedly connected to the outside of the multiple limiting screws 404, and the multiple driven gears 405 mesh with two driving gear rings 402.

[0037] The positioning structure also includes a compression ring 108 and a positioning airbag 109; two positioning airbags 109 are provided, and the two positioning airbags 109 are respectively sleeved on the left and right sides of the connecting tube 1; two compression rings 108 are provided, and the two compression rings 108 are respectively sleeved on the left and right sides of the connecting tube 1.

[0038] The specific usage and function of this embodiment are as follows: After placing the sealing washer 3 and connecting nut 4 on the outside of the copper pipe, insert the copper pipe into the connecting pipe 1. At this time, use a tool to clamp the fixing plate 2 and the pressing plate 401. Rotating the fixing plate 2 or the pressing plate 401 will cause the connecting nut 4 to press the sealing washer 3. When the connecting nut 4 is tightened, the connection of the copper pipe is completed. After the air conditioning copper pipe is connected, insert the connecting pipe 1 into the outlet hole of the wall panel, insert the tool into the tapping hole 403, and push the tapping hole 403 to... The active gear ring 402 rotates, which drives the driven gear 405 and the limiting screw 404 to rotate. The rotation of the limiting screw 404 causes the extrusion plate 401 to move inward. When the extrusion plate 401 moves, it pushes the extrusion ring 108 to move inward. When the extrusion ring 108 moves, it extrudes the positioning airbag 109, causing the air inside the positioning airbag 109 to move outward, thereby changing the shape of the positioning airbag 109 and filling the outlet hole of the wall panel.

[0039] Example 2: Please refer to Figures 6 to 8 As shown:

[0040] Based on Embodiment 1, it also includes a connecting platform 5, a connecting plate 6, a limiting structure, a detection structure, an audible and visual alarm 7, and a fixing rod 8; two connecting platforms 5 are provided, and the two connecting platforms 5 are respectively fixedly connected to the outside of the two connecting nuts 4; two connecting plates 6 are provided, and the two connecting plates 6 are respectively threadedly connected to the outside of the two connecting platforms 5; the limiting structure is provided on the inside of the connecting pipe 1; the detection structure is provided on the outside of the connecting plate 6; two audible and visual alarms 7 are provided, and the two audible and visual alarms 7 are respectively fixedly connected to the outside of the two connecting plates 6, and the control circuits of the two audible and visual alarms 7 are connected in parallel with the control circuit of the air conditioner; the fixing rod 8 is fixedly connected to the middle of the connecting pipe 1.

[0041] The limiting structure includes guide grooves 101 and connecting sliders 102; four guide grooves 101 are provided, and the four guide grooves 101 are evenly distributed on the left and right sides of the connecting pipe 1; four connecting sliders 102 are provided, and the four connecting sliders 102 are slidably connected to the inner side of the four guide grooves 101 respectively.

[0042] The limiting structure also includes elastic elements 103 and limiting rods 104; four elastic elements 103 are provided, and four connecting sliders 102 are elastically connected to the connecting tube 1 through the four elastic elements 103; two limiting rods 104 are provided, and the two limiting rods 104 are respectively fixedly connected to the inner side of the two left connecting sliders 102 and the inner side of the two right connecting sliders 102.

[0043] The limiting structure also includes a first limiting ring 105, a single-head connecting seat 106, and a connecting rod 107. There are two first limiting rings 105, which are fixedly connected to the middle of the two limiting rods 104 respectively. There are four single-head connecting seats 106, which are slidably connected to the upper and lower sides of the two limiting rods 104 respectively. There are four connecting rods 107, which are hinged to the inner side of the four single-head connecting seats 106 respectively. The two connecting rods 107 on the left side are hinged to each other, and the two connecting rods 107 on the right side are hinged to each other.

[0044] The limiting structure also includes a second limiting ring 801 and a double-headed connecting seat 802; the second limiting ring 801 is fixedly connected to the middle of the fixed rod 8; there are two double-headed connecting seats 802, which are slidably connected to the upper and lower sides of the fixed rod 8 respectively, and the two double-headed connecting seats 802 are respectively hinged to the four connecting rods 107.

[0045] The detection structure includes positioning rods 601 and positioning plates 602. There are eight positioning rods 601, which are evenly distributed and fixedly connected to the outside of two connecting plates 6. The start buttons of the two audible and visual alarms 7 are respectively located in the middle of the uppermost positioning rod 601 on the left and the middle of the uppermost positioning rod 601 on the right. There are two positioning plates 602, which are fixedly connected to the outside of the eight positioning rods 601.

[0046] The detection structure also includes rubber gaskets 603 and detection airbags 604; two rubber gaskets 603 are provided, and the two rubber gaskets 603 are fixedly connected to the inner side of the two positioning plates 602 respectively; two detection airbags 604 are provided, and the two detection airbags 604 are fixedly connected to the outer side of the two connecting plates 6 respectively, and the two detection airbags 604 are fixedly connected to the two positioning plates 602 respectively.

[0047] The specific usage and function of this embodiment are as follows: When connecting the copper pipe, first, the connecting plate 6 and the connecting nut 4 are fitted together onto the outside of the copper pipe. After tightening the connecting nut 4, rotate the connecting plate 6 to connect it to the connecting platform 5. At this time, the rubber gasket 603 is tightly fitted with the copper pipe, ensuring the sealing of the copper pipe connection. The positioning rod 601 and the positioning plate 602 can fix the position of the detection airbag 604 and the start button. When leakage occurs between the copper pipe and the connecting pipe 1, the leaked gas will cause the detection airbag 604 to expand. After the detection airbag 604 expands and deforms, it will press the start button of the audible and visual alarm 7. At this time, the audible and visual alarm 7 will sound an alarm. When connecting the copper pipe, the copper pipe... The limit rod 104 will be pushed, causing the limit rod 104 and the connecting slider 102 to slide along the guide groove 101. At this time, the single-head connecting seat 106 will push the connecting rod 107, causing the connecting rod 107 to swing and drive the double-head connecting seat 802 on the fixed rod 8 and the connecting rod 107 on the other side to swing. When the connecting rod 107 on the other side swings, it will drive the limit rod 104 on the other side to slide. At this time, the space on both sides of the connecting tube 1 is the same. The first limit ring 105 and the second limit ring 801 can limit the movement distance of the single-head connecting seat 106 and the double-head connecting seat 802. When the connecting structure is removed, the elastic element 103 can reset the limit rod 104 for easy use next time.

Claims

1. A connection structure for an air conditioning pipe, comprising: The connector comprises a connecting pipe (1), a fixing plate (2), a sealing washer (3), a connecting nut (4), a positioning structure, a connecting platform (5), a connecting plate (6), a limiting structure, a detection structure, an audible and visual alarm (7), and a fixing rod (8); the fixing plate (2) is fixedly connected to the middle part of the connecting pipe (1); a connecting nut (4) is threadedly connected to the left and right sides of the connecting pipe (1); a sealing washer (3) is provided on the left and right sides of the connecting pipe (1); the positioning structure is located on the outside of the connecting pipe (1); a connecting platform (5) is fixedly connected to the outside of each connecting nut (4); each connecting platform (5) The outer side of the connecting pipe (1) is threaded with a connecting plate (6); the limiting structure is set on the inner side of the connecting pipe (1); the detection structure is set on the outer side of the connecting plate (6); a sound and light alarm (7) is fixedly connected to the outer side of each connecting plate (6), and the control circuit of the sound and light alarm (7) is connected in parallel with the control circuit of the air conditioner; the fixing rod (8) is fixedly connected to the middle part of the connecting pipe (1); the limiting structure includes a guide groove (101) and a connecting slider (102); two guide grooves (101) are respectively opened on the left and right sides of the connecting pipe (1); the inner side of each guide groove (101) slides left and right. A connecting slider (102) is connected to the connecting tube (1); the limiting structure also includes an elastic element (103) and a limiting rod (104); each connecting slider (102) is elastically connected to the connecting tube (1) through an elastic element (103); a limiting rod (104) is fixedly connected to the inner side of the two connecting sliders (102) on the left and the inner side of the two connecting sliders (102) on the right respectively; the limiting structure also includes a first limiting ring (105), a single-head connecting seat (106) and a connecting rod (107); a first limiting ring (105) is fixedly connected to the middle of each limiting rod (104); each limiting rod (104) is fixedly connected to the middle of the connecting tube (104) and the connecting rod (107) is fixedly connected to the connecting tube (104) through an elastic element (103); each limiting rod (104) is fixedly connected to the connecting tube (104) through an elastic element (103) and a limiting rod (104) through ... 4) A single-headed connecting seat (106) is slidably connected to the upper and lower sides of the fixed rod (8). A connecting rod (107) is hinged to the inner side of each single-headed connecting seat (106). The two connecting rods (107) on the left side are hinged to each other, and the two connecting rods (107) on the right side are hinged to each other. The limiting structure also includes a second limiting ring (801) and a double-headed connecting seat (802). The second limiting ring (801) is fixedly connected to the middle part of the fixed rod (8). A double-headed connecting seat (802) is slidably connected to the upper and lower sides of the fixed rod (8). The double-headed connecting seat (802) is hinged to the connecting rod (107).

2. The connection structure of an air conditioning pipe as described in claim 1, characterized in that: The positioning structure includes an active toothed ring (402) and a dial hole (403); each of the connecting nuts (4) is rotatably connected to an active toothed ring (402); and multiple dial holes (403) are evenly distributed on the outer side of each active toothed ring (402).

3. The connection structure of an air conditioning pipe as described in claim 2, characterized in that: The positioning structure also includes a pressing plate (401), a limiting screw (404), and a driven gear (405); multiple limiting screws (404) are evenly distributed and rotatably connected to the outer side of each connecting nut (4); a pressing plate (401) is threadedly connected to the inner side of the multiple limiting screws (404); a driven gear (405) is fixedly connected to the outer side of each limiting screw (404), and the driven gear (405) meshes with the driving gear ring (402).

4. The connection structure of an air conditioning pipe as described in claim 3, characterized in that: The positioning structure also includes a compression ring (108) and a positioning airbag (109); a positioning airbag (109) is respectively sleeved on the left and right sides of the connecting tube (1); a compression ring (108) is respectively sleeved on the left and right sides of the connecting tube (1).

5. The connection structure of an air conditioning pipe as described in claim 1, characterized in that: The detection structure includes a positioning rod (601) and a positioning plate (602); multiple positioning rods (601) are evenly distributed and fixedly connected to the outer side of each connecting plate (6); a positioning plate (602) is fixedly connected to the outer side of the multiple positioning rods (601); the start buttons of the two sound and light alarms (7) are respectively located in the middle of the uppermost positioning rod (601) on the left and the middle of the uppermost positioning rod (601) on the right.

6. The connection structure of an air conditioning pipe as described in claim 5, characterized in that: The detection structure also includes a rubber gasket (603) and a detection airbag (604); a rubber gasket (603) is fixedly connected to the inner side of each positioning plate (602); a detection airbag (604) is fixedly connected to the outer side of each connecting plate (6), and the detection airbag (604) is fixedly connected to the positioning plate (602).

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