Air conditioner valve element with high sealing performance

Abstract

The utility model relates to the technical field of air conditioner valve cores, in particular to an air conditioner valve core with high sealing performance, which comprises a valve core body, an installation external thread and a locking through hole are arranged on the valve core body, an extrusion sealing ring is arranged on the valve core body, a weather-proof waterproof cover is sleeved on the valve core body, and a conveying pipeline is arranged below the valve core body. A connecting seat is arranged on the conveying pipeline, a top sealing gasket is arranged on the connecting seat, a sealing sinking groove is formed in the connecting seat, mounting internal threads and an annular sealing groove are formed in the sealing sinking groove, a fixing plate is arranged on the weather-proof waterproof cover, and a threaded column is arranged on the fixing plate. According to the air conditioner valve element, the double-extrusion sealing effect of the mounting portion between the valve element body and the connecting base on the conveying pipeline is achieved, the situation that rainwater is accumulated on the mounting portion between the valve element body and the connecting base on the conveying pipeline and consequently rainwater immerses is avoided, the mounting sealing performance of the air conditioner valve element is greatly improved on the whole, and the weather-proof waterproof cover is conveniently detached.

Description

Technical Field

[0001] The utility model relates to the technical field of air-conditioning valve cores, in particular to an air-conditioning valve core with high sealing performance. Background Art

[0002] The air conditioning valve core is an important component in the air conditioning system. It is mainly used to control the flow and pressure of the refrigerant, thereby adjusting the refrigeration effect of the air conditioning system. The air conditioning valve core is widely used in various types of air conditioning systems, including household air conditioning, commercial air conditioning, industrial air conditioning, etc.

[0003] The working principle of the air conditioning valve core is that by rotating the valve core stem forward and reversely and through threaded transmission, the flow area between the core head on the valve core stem and the inner cavity of the valve core body can be adjusted, thereby adjusting the flow of refrigerant and further adjusting the cooling effect of the air conditioning system.

[0004] At present, the existing air-conditioning valve core is generally installed on the refrigerant delivery pipeline. The installation sealing between the valve core body and the connecting seat on the delivery pipeline is low, which is prone to refrigerant leakage. Moreover, the air-conditioning valve core is generally installed outdoors. When encountering heavy rain, rainwater will accumulate in the installation part of the valve core body and the connecting seat on the delivery pipeline. Over time, rainwater will penetrate, which greatly reduces the installation sealing of the air-conditioning valve core.

[0005] The above problems are widespread and urgently need to be improved. Utility Model Content

[0006] The utility model aims to solve the above-mentioned shortcomings in the prior art and proposes an air conditioning valve core with high sealing performance.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] An air-conditioning valve core with high sealing performance is designed, comprising a valve core body, the valve core body is provided with an installation external thread and a locking through hole, the valve core body is provided with an extrusion sealing ring, the valve core body is sleeved with a weather-resistant and waterproof cover, a delivery pipe is provided below the valve core body, a connecting seat is provided on the delivery pipe, a top sealing gasket is provided on the connecting seat, a sealing groove is provided on the connecting seat, an installation internal thread and an annular sealing groove are provided on the sealing groove, a fixing plate is provided on the weather-resistant and waterproof cover, and a threaded column is provided on the fixing plate.

[0009] Furthermore, the valve core body vertically passes through the sealing groove and is inserted into the conveying pipe. The valve core body is threadedly connected to the internal thread by installing an external thread. The top sealing gasket is arranged on the top surface of the connecting seat and is extruded with the outer wall of the valve core body. The top sealing gasket is made of polyurethane material, has high elastic sealing performance, and is corrosion-resistant and durable.

[0010] Furthermore, the top-view cross-sections of the annular sealing groove and the extrusion sealing ring are both ring-shaped structures. The extrusion sealing ring is extruded and inserted in the annular sealing groove. The extrusion sealing ring is made of highly elastic silicone material, has high elastic sealing performance, and is corrosion-resistant and durable.

[0011] Furthermore, there is a gap between the lower end surface of the weatherproof and waterproof cover and the outer wall surface of the conveying pipe, and the top end of the weatherproof and waterproof cover has an inclination angle of fifteen degrees with the horizontal plane, ensuring that rainwater accumulated on the top can be quickly diverted and drained away.

[0012] Furthermore, the fixing plate and the threaded column are a group, which are two groups symmetrical on the left and right. The threaded column is threadedly connected to the fixing plate and is clamped with the locking through hole, so that the weather-resistant waterproof cover can be easily removed from the valve core body.

[0013] Furthermore, a disassembly slot is provided on the threaded column, and the disassembly slot is a hexagonal groove structure, which is convenient for using a hexagonal wrench to insert and rotate the threaded column.

[0014] Furthermore, the weather-resistant and waterproof cover is made of PTFE polytetrafluoroethylene material as a whole, and the weather-resistant and waterproof cover is a cover-like structure as a whole. The weather-resistant and waterproof cover is a downward opening structure and its size is not less than the overall size of the connecting seat. The PTFE polytetrafluoroethylene material has excellent chemical corrosion resistance and weather resistance, and is transparent and impact-resistant, which allows staff to directly observe the condition of the internal valve core body.

[0015] The utility model provides an air conditioning valve core with high sealing performance, which has the following beneficial effects:

[0016] 1. The utility model arranges an extrusion sealing ring and a sealing groove on the connecting seat, arranges an annular sealing groove in the sealing groove, arranges an extrusion sealing ring structure on the valve core body, and then arranges a weather-resistant waterproof cover on the valve core body, thereby achieving a double extrusion sealing effect at the installation position between the valve core body and the connecting seat on the delivery pipeline, ensuring the installation sealing between the valve core body and the connecting seat on the delivery pipeline, avoiding refrigerant leakage, and effectively avoiding the accumulation of rainwater at the installation position between the valve core body and the connecting seat on the delivery pipeline to cause rainwater intrusion, thereby greatly improving the installation sealing of the air-conditioning valve core as a whole.

[0017] 2. The utility model provides a fixing plate with a threaded column on the weather-resistant waterproof cover, and provides a disassembly slot on the threaded column, and provides a locking through-hole structure on the valve core body, so that the weather-resistant waterproof cover can be easily removed to expose the valve core body, thereby facilitating regular maintenance of the valve core body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is an exploded view from the first perspective of the valve core body of the utility model when it is not installed;

[0019] Figure 2 This is an exploded view from a second perspective of the valve core body of the utility model when it is not installed;

[0020] Figure 3 It is a three-dimensional schematic diagram of the valve core body of the utility model in an installed state;

[0021] Figure 4 For the utility model Figure 3 Cross-section of the middle front view;

[0022] Figure 5 For the utility model Figure 4 A partial enlarged view of point M in the middle.

[0023] In the figure: 1 valve core body; 11 installation external thread; 12 extrusion sealing ring; 13 locking through hole; 2 weather-resistant waterproof cover; 3 fixing plate; 4 threaded column; 41 disassembly slot; 5 delivery pipeline; 6 connecting seat; 61 top sealing gasket; 7 sealing sink groove; 71 installation internal thread; 72 annular sealing groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-5 A high sealing performance air-conditioning valve core comprises a valve core body 1, the valve core body 1 is provided with an installation external thread 11 and a locking through hole 13, the valve core body 1 is provided with an extrusion sealing ring 12, the valve core body 1 is sleeved with a weather-resistant and waterproof cover 2, a delivery pipe 5 is provided below the valve core body 1, a connecting seat 6 is provided on the delivery pipe 5, a top sealing gasket 61 is provided on the connecting seat 6, a sealing sink groove 7 is provided on the connecting seat 6, a mounting internal thread 71 and an annular sealing groove 72 are provided on the sealing sink groove 7, a fixing plate 3 is provided on the weather-resistant and waterproof cover 2, a threaded column 4 is provided on the fixing plate 3, the valve core body 1 is the air-conditioning valve core, the delivery pipe 5 is a refrigerant pipe used on the air-conditioning outdoor unit, all of which are prior arts, and some existing structures are not drawn and marked, and no further description is required.

[0026] In detail, the valve core body 1 vertically passes through the sealing groove 7 and is inserted into the conveying pipe 5. The valve core body 1 is threadedly connected with the installation internal thread 71 through the installation external thread 11. The top sealing gasket 61 is arranged on the top surface of the connecting seat 6 and is extruded with the outer wall of the valve core body 1. The top sealing gasket 61 is made of polyurethane material, has high elastic sealing performance, is corrosion-resistant and durable.

[0027] Furthermore, the top-view cross-sections of the annular sealing groove 72 and the extrusion sealing ring 12 are both ring-shaped structures. The extrusion sealing ring 12 is extruded and inserted in the annular sealing groove 72. The extrusion sealing ring 12 is made of highly elastic silicone material, has high elastic sealing performance, is corrosion-resistant and durable.

[0028] Furthermore, there is a gap between the lower end surface of the weatherproof and waterproof cover 2 and the outer wall surface of the delivery pipe 5, so that when the valve core body 1 is horizontally rotated and removed, the weatherproof and waterproof cover 2 is prevented from horizontally rotating and colliding with the delivery pipe 5.

[0029] The top of the weatherproof and waterproof cover 2 has an inclination angle of 15 degrees with the horizontal plane, ensuring that rainwater accumulated on the top can be quickly diverted and drained away.

[0030] In more detail, the fixing plate 3 and the threaded column 4 are a group, which are two groups symmetrical on the left and right. The threaded column 4 is threadedly connected to the fixing plate 3 and is clamped with the locking through hole 13, so that the weather-resistant waterproof cover 2 can be easily removed from the valve core body 1.

[0031] In general, a disassembly slot 41 is provided on the threaded column 4 , and the disassembly slot 41 is a hexagonal groove structure, which is convenient for using a hexagonal wrench to insert and rotate the threaded column 4 .

[0032] Finally, the weather-resistant and waterproof cover 2 is made of PTFE polytetrafluoroethylene material as a whole. The weather-resistant and waterproof cover 2 is a cover-like structure as a whole. PTFE polytetrafluoroethylene material has excellent chemical corrosion resistance and weather resistance, and is transparent and impact-resistant. It not only allows the staff to directly observe the internal valve core body 1, but also realizes the protection of the valve core body 1 against collision with foreign objects.

[0033] The weatherproof and waterproof cover 2 is a downwardly open structure and its size is not less than the overall size of the connecting seat 6, ensuring that the entire connecting seat 6 is covered to prevent rainwater from intruding.

[0034] Working method: align the valve core body 1 with the sealing groove 7, and then rotate the valve core body 1 clockwise to drive the installation external thread 11 and the installation internal thread 71 to be threaded and locked. At this time, the top sealing gasket 61 will be squeezed and sealed with the outside of the valve core body 1, and at the same time, the extrusion sealing ring 12 is also squeezed and inserted into the annular sealing groove 72. At the same time, the weather-resistant and waterproof cover 2 has fully covered the installation parts of the valve core body 1 and the connecting seat 6, achieving a double extrusion sealing effect at the installation part between the valve core body and the connecting seat on the delivery pipeline, ensuring the installation sealing between the valve core body 1 and the connecting seat 6 on the delivery pipeline 5, avoiding refrigerant leakage, and effectively avoiding the accumulation of rainwater at the installation part of the valve core body 1 and the connecting seat 6 on the delivery pipeline 5 to cause rainwater intrusion, which greatly improves the installation sealing of the air-conditioning valve core as a whole.

[0035] In addition, insert the hexagonal wrench into the disassembly slot 41 and rotate it counterclockwise, driving the threaded column 4 to rotate counterclockwise. At the same time, the threaded transmission between the fixed plate 3 drives the threaded column 4 to move outward and exit the locking hole 13. Then move the weather-resistant waterproof cover 2 upward to easily remove it from the valve core body 1, so that the valve core body 1 can be exposed, which makes it convenient to perform regular maintenance on the valve core body 1.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An air conditioning valve core with high sealing performance, comprising a valve core body (1), characterized in that: The valve core body (1) is provided with an external mounting thread (11) and a locking through hole (13), the valve core body (1) is provided with an extrusion sealing ring (12), the valve core body (1) is sleeved with a weatherproof and waterproof cover (2), a delivery pipe (5) is provided below the valve core body (1), a connecting seat (6) is provided on the delivery pipe (5), a top sealing gasket (61) is provided on the connecting seat (6), a sealing groove (7) is provided on the connecting seat (6), a mounting internal thread (71) and an annular sealing groove (72) are provided on the sealing groove (7), a fixing plate (3) is provided on the weatherproof and waterproof cover (2), and a threaded column (4) is provided on the fixing plate (3).

2. The air conditioning valve core with high sealing performance according to claim 1, characterized in that: The valve core body (1) vertically passes through the sealing groove (7) and is inserted into the conveying pipe (5). The valve core body (1) is threadedly connected to the mounting internal thread (71) via the mounting external thread (11). The top sealing gasket (61) is arranged on the top surface of the connecting seat (6) and is extruded with the outer wall of the valve core body (1).

3. The air conditioning valve core with high sealing performance according to claim 1, characterized in that: The annular sealing groove (72) and the extrusion sealing ring (12) are both ring-shaped structures in top view cross-section, and the extrusion sealing ring (12) is extruded and inserted in the annular sealing groove (72).

4. The air conditioning valve core with high sealing performance according to claim 1, characterized in that: There is a gap between the lower end surface of the weatherproof and waterproof cover (2) and the outer wall surface of the conveying pipe (5), and the inclination of the top end of the weatherproof and waterproof cover (2) is 15 degrees with the horizontal plane.

5. The air conditioning valve core with high sealing performance according to claim 1, characterized in that: The fixing plate (3) and the threaded column (4) form a group, which is two groups symmetrical on the left and right. The threaded column (4) is threadedly connected to the fixing plate (3) and is clamped with the locking through hole (13).

6. The air conditioning valve core with high sealing performance according to claim 1, characterized in that: The threaded column (4) is provided with a disassembly slot (41), and the disassembly slot (41) is a hexagonal groove structure.

7. The air conditioning valve core with high sealing performance according to claim 1, characterized in that: The weatherproof and waterproof cover (2) is made of PTFE polytetrafluoroethylene material as a whole, and is a cover-shaped structure as a whole. The weatherproof and waterproof cover (2) is a downwardly open structure and has a size that is not less than the overall size of the connecting seat (6).

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