High-insulation water-accumulation-prevention commercial air conditioner wire harness
By using a cold-resistant PVC insulation layer and a high-temperature resistant PVC sleeve on the air conditioning wiring harness, combined with adjustment and installation components, the problem of the wiring harness being unable to be positioned after length adjustment is solved, achieving high insulation, high temperature resistance and water resistance, and improving the stability and safety of the wiring harness.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO YUSHUO ELECTRONIC TECHNOLOGY CO LTD
- Filing Date
- 2025-04-08
- Publication Date
- 2026-05-26
AI Technical Summary
The existing air conditioning wiring harness cannot be positioned after length adjustment, affecting stability, and has problems with water accumulation and insufficient temperature resistance.
The insulation layer is made of PVC material with high cold resistance and the sleeve is made of PVC material with high temperature resistance. Combined with adjustment components and installation components, the length of the wire harness can be adjusted and positioned, and water can be drained through the drainage hole.
It enables the adjustment and positioning of wire harness length with high insulation and high temperature resistance in cold environments, improving the stability and safety of the wire harness and preventing water accumulation from affecting wire performance.
Smart Images

Figure CN224288800U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of air conditioning wiring harness technology, and in particular to a commercial air conditioning wiring harness with high insulation and water resistance. Background Technology
[0002] When using an air conditioning refrigeration valve, it is necessary to use the air conditioning refrigeration valve wiring harness to achieve normal operation. When the coil of the refrigeration valve is energized, a magnetic field is generated to drive the iron core. The valve is opened by the movement of the iron core. The valve reset action is achieved by the gravity of the valve core and the elastic force of the spring installed on its top. Existing refrigeration valve wiring harness products do not have flame retardant properties, which can cause fire to spread when exposed to fire, posing a safety hazard. The products have low low temperature resistance, and water can easily accumulate inside the wiring harness tube, which weakens the performance of the wires.
[0003] For example, in the prior art, the patent with authorization announcement number CN217508173U discloses a high-insulation and water-proof air conditioning wiring harness. This device is equipped with an adjustment component. When installing and connecting the air conditioning wiring harness, in order to adjust the length as needed, the rotating handle can be rotated to drive the winding roller to wind or extend the wiring harness. After the length is adjusted, in order to make the wiring harness more stable, the rotating handle can be rotated to drive the fixing member to move inward on the fixing plate to clamp and fix the wiring harness to other components. This allows the length of the refrigeration valve wiring harness to be adjusted according to the connection needs when in use. The connection is very convenient, without the need to wind the wiring harness, and the fixing does not require the aid of external objects, making the operation more convenient.
[0004] However, after adjusting the length of the air conditioning wiring harness during installation, it is impossible to position the length of the wiring harness, which affects the stability of the wiring harness after adjustment. Therefore, a commercial air conditioning wiring harness with high insulation and water resistance is designed to solve the above problems. Utility Model Content
[0005] The purpose of this utility model is to solve the problems existing in the above-mentioned background technology and to propose a highly insulated and water-resistant commercial air conditioning wiring harness.
[0006] The technical problem to be solved by this utility model is to provide a commercial air conditioning wiring harness with high insulation and water resistance, which solves the problem in the prior art that after the length of the air conditioning wiring harness is adjusted, it is impossible to position the length of the air conditioning wiring harness, thus affecting the stability of the wiring harness after adjustment.
[0007] This utility model provides a highly insulated and water-resistant commercial air conditioning wiring harness, including a circuit board connector, wiring harnesses, a connector, and a sleeve. Multiple wiring harnesses are electrically connected to the circuit board connector, and a connector is electrically connected to the other end of each wiring harness. A sleeve covers the outer surface of each wiring harness, and an adjustment component for adjusting the length of the wiring harness is disposed through the center of the sleeve. An installation component is mounted on the adjustment component. An insulating layer covers the outer surface of each wiring harness, and multiple drainage holes are disposed through the left and right sides of the outer surface of the sleeve.
[0008] Preferably, the insulating layer is made of PVC material with high cold resistance.
[0009] Preferably, the sleeve is made of high-temperature resistant PVC material, and both ends of the sleeve are tapered, with the two ends of the sleeve being airtightly connected to multiple wire harnesses.
[0010] Preferably, the drainage holes are annular and located on the outer surface of the sleeve.
[0011] Preferably, the adjustment assembly includes a housing, a through hole, a handle, a locking nut, a rubber ring, and an n-shaped bracket. Through holes are provided on both the left and right surfaces of the housing. A handle is rotatably mounted on the center of the upper surface of the housing via a bearing. A locking nut is threaded onto the outer surface of the handle. A rubber ring is fixedly mounted on the bottom surface of the locking nut. An n-shaped bracket is fixedly mounted on the bottom of the handle.
[0012] Preferably, the sleeve passes through two through holes and is located in the center of the n-shaped frame.
[0013] Preferably, the mounting assembly includes an internally threaded ring fixed to the outer surface of the housing and a guide sleeve fixed to the inner surface of the housing. An adjusting screw is threaded onto the internally threaded ring. A first fixing block is rotatably mounted on the bottom of the adjusting screw via a bearing. A guide rod is passed through the guide sleeve. A second fixing block is fixedly mounted on the bottom of the guide rod. A mounting plate is fixedly mounted between the first fixing block and the second fixing block. Mounting bolts are threaded onto the four corners of the mounting plate.
[0014] Preferably, the length of the mounting plate is greater than the width of the box body, and the left and right sides of the mounting plate extend out of the left and right sides of the box body, respectively.
[0015] Compared with the prior art, this utility model has at least the following beneficial effects:
[0016] 1. This utility model features an insulating layer and a sleeve. The insulating layer is made of PVC material with high cold resistance, which gives it cold-resistant insulation properties and a cold-resistant temperature of -45 degrees Celsius, making it suitable for use in cold environments. The sleeve is made of high-temperature resistant PVC material, which increases the high-temperature resistance of the sleeve and enhances its practicality.
[0017] 2. This utility model is equipped with an adjustment component. When the overall length of the sleeve needs to be adjusted, the locking nut is loosened and the handle is turned. The handle drives the n-shaped frame to rotate, and the n-shaped frame winds the sleeve and wire harness to achieve the effect of adjusting the length of the wire harness. By tightening the locking nut, the rubber ring is made to fit tightly against the outer surface of the box, which achieves the effect of preventing the handle from turning and positioning it, making it convenient to position the wire harness after the length is adjusted.
[0018] 3. This utility model is equipped with an installation component. During installation, the device is installed in the required position using the mounting bolts on the mounting plate. Depending on the installation situation, the adjusting screw is rotated, which drives the internal threaded ring to move up and down along the adjusting screw. The guide sleeve moves up and down along the guide rod, thereby adjusting the distance between the mounting plate and the box, and thus adjusting the horizontal height of the box. This makes the sleeve have a shape where the horizontal height is low on the left and right sides and high in the center, which facilitates the drainage of water accumulated in the sleeve through the drain hole. Attached Figure Description
[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0020] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model.
[0021] Figure 2 This is a schematic diagram of the vertical cut structure at the water leakage hole of the sleeve of this utility model.
[0022] Figure 3 This is a three-dimensional structural diagram of the adjustment component and the mounting component of this utility model.
[0023] Figure 4 This utility model Figure 3 Cross-sectional structural diagram.
[0024] [Figure Labels]
[0025] 1. Circuit board connector; 2. Wire harness; 201. Insulation layer; 3. Connector; 4. Sleeve; 401. Drain hole; 5. Housing; 501. Through hole; 502. Turning handle; 503. Locking nut; 504. Rubber ring; 505. N-shaped bracket; 6. Mounting plate; 601. Mounting bolt; 7. Internal threaded ring; 8. Adjusting screw; 9. First fixing block; 10. Guide sleeve; 11. Guide rod; 12. Second fixing block. Detailed Implementation
[0026] Example:
[0027] like Figures 1-4 As shown, an embodiment of this utility model provides a highly insulated and water-resistant commercial air conditioning wiring harness, including a circuit board connector 1, wiring harnesses 2, a connector 3, and a sleeve 4. Multiple wiring harnesses 2 are electrically connected to the circuit board connector 1, and the other end of each wiring harness 2 is electrically connected to the connector 3. The outer surface of the multiple wiring harnesses 2 is covered with a sleeve 4, and an adjustment component for adjusting the length of the wiring harnesses 2 is provided through the center of the sleeve 4. An installation component is installed on the adjustment component. An insulation layer 201 is provided on the outer surface of the wiring harnesses 2, and multiple drainage holes 401 are provided through the left and right sides of the outer surface of the sleeve 4.
[0028] In this embodiment, the insulating layer 201 is made of PVC material with high cold resistance, which gives the insulating layer 201 a cold-resistant and insulating effect.
[0029] In this embodiment, the sleeve 4 is made of high-temperature resistant PVC material, and both ends of the sleeve 4 are tapered. The two ends of the sleeve 4 are connected to multiple wire harnesses 2 in an airtight manner to ensure the sealing of the connection between the sleeve 4 and the wire harnesses 2. The sleeve 4 also has flame-retardant and high-temperature resistant properties.
[0030] By incorporating an insulating layer 201 and a sleeve 4, the insulating layer 201, made of highly cold-resistant PVC material, provides cold-resistant insulation with a temperature resistance down to -45 degrees Celsius, making it suitable for use in relatively cold environments. The sleeve 4, made of high-temperature resistant PVC material, enhances the high-temperature resistance of the sleeve 4, thereby increasing its practicality.
[0031] In this embodiment, the drain hole 401 is annular and located on the outer surface of the sleeve 4, so that water inside the sleeve 4 can be discharged from the drain hole 401.
[0032] In this embodiment, the adjustment assembly includes a housing 5, a through hole 501, a handle 502, a locking nut 503, a rubber ring 504, and an n-shaped bracket 505. Through holes 501 are provided on both the left and right surfaces of the housing 5. A handle 502 is rotatably mounted on the center of the upper surface of the housing 5 via a bearing. A locking nut 503 is threadedly connected above the outer surface of the handle 502. A rubber ring 504 is fixedly mounted on the bottom surface of the locking nut 503. An n-shaped bracket 505 is fixedly mounted on the bottom of the handle 502.
[0033] In this embodiment, the sleeve 4 passes through the two through holes 501 and is located in the center of the n-shaped frame 505, so that the sleeve 4 can be wrapped around the n-shaped frame 505 when the n-shaped frame 505 rotates.
[0034] With the adjustable component, when the overall length of the sleeve 4 needs to be adjusted, the locking nut 503 is loosened and the handle 502 is turned. The handle 502 drives the n-shaped frame 505 to rotate, and the n-shaped frame 505 winds the sleeve 4 and the wire harness 2 to achieve the effect of adjusting the length of the wire harness. By tightening the locking nut 503, the rubber ring 504 is pressed tightly against the outer surface of the box 5, which achieves the effect of preventing the handle 502 from rotating and positioning it, making it convenient to position the wire harness 2 after the length is adjusted.
[0035] In this embodiment, the mounting assembly includes an internally threaded ring 7 fixed to the outer surface of the housing 5 and a guide sleeve 10 fixed to the inner surface of the housing 5. An adjusting screw 8 is threaded onto the internally threaded ring 7. A first fixing block 9 is rotatably mounted on the bottom of the adjusting screw 8 via a bearing. A guide rod 11 is passed through the guide sleeve 10. A second fixing block 12 is fixedly mounted on the bottom of the guide rod 11. A mounting plate 6 is fixedly mounted between the first fixing block 9 and the second fixing block 12. Mounting bolts 601 are threaded onto the four corners of the mounting plate 6.
[0036] In this embodiment, the length of the mounting plate 6 is greater than the width of the box 5, and the left and right sides of the mounting plate 6 extend out of the left and right sides of the box 5, respectively.
[0037] With the installation components provided, the device is installed in the required position using the mounting bolts 601 on the mounting plate 6. Depending on the installation, the adjusting screw 8 is rotated, which causes the internal threaded ring 7 to move up and down along the adjusting screw 8, and the guide sleeve 10 moves up and down along the guide rod 11, thereby adjusting the distance between the mounting plate 6 and the housing 5, and thus adjusting the horizontal height of the housing 5. This makes the sleeve 4 have a shape where the horizontal height is low on the left and right sides and high in the center, which facilitates the drainage of water accumulated in the sleeve 4 from the drain hole 401.
[0038] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of this utility model, and these should also be considered within the scope of protection of this utility model. These will not affect the implementation effect of this utility model or the practicality of the patent.
Claims
1. A highly insulated and water-resistant commercial air conditioning wiring harness, characterized in that: The device includes a circuit board connector (1), wire harnesses (2), connectors (3), and sleeves (4). Multiple wire harnesses (2) are electrically connected to the circuit board connector (1). The other end of each wire harness (2) is electrically connected to a connector (3). The outer surface of each wire harness (2) is covered with a sleeve (4). An adjustment component for adjusting the length of the wire harnesses (2) is provided through the center of the sleeve (4). An installation component is installed on the adjustment component. An insulation layer (201) is provided on the outer surface of each wire harness (2). Multiple drainage holes (401) are provided through the left and right sides of the outer surface of the sleeve (4).
2. The high-insulation, water-resistant commercial air conditioning wiring harness according to claim 1, characterized in that: The insulating layer (201) is made of PVC material with high cold resistance.
3. The high-insulation, water-resistant commercial air conditioning wiring harness according to claim 2, characterized in that: The sleeve (4) is made of high-temperature resistant PVC material, and the two ends of the sleeve (4) are closed. The two ends of the sleeve (4) are connected to multiple wire harnesses (2) in an airtight manner.
4. The high-insulation, water-resistant commercial air conditioning wiring harness according to claim 3, characterized in that: The drainage hole (401) is annular and connected to the outer surface of the sleeve (4).
5. The high-insulation, water-resistant commercial air conditioning wiring harness according to claim 1, characterized in that: The adjustment assembly includes a housing (5), a through hole (501), a handle (502), a locking nut (503), a rubber ring (504), and an n-shaped bracket (505). The through holes (501) are provided on both the left and right surfaces of the housing (5). The handle (502) is rotatably mounted on the center of the upper surface of the housing (5) via a bearing. The locking nut (503) is threaded onto the outer surface of the handle (502). The rubber ring (504) is fixedly mounted on the bottom surface of the locking nut (503). The n-shaped bracket (505) is fixedly mounted on the bottom of the handle (502).
6. The high-insulation, water-resistant commercial air conditioning wiring harness according to claim 5, characterized in that: The sleeve (4) passes through two through holes (501) and is located in the center of the n-shaped frame (505).
7. The high-insulation, water-resistant commercial air conditioning wiring harness according to claim 6, characterized in that: The mounting assembly includes an internal threaded ring (7) fixed to the outer surface of the housing (5) and a guide sleeve (10) fixed to the inner surface of the housing (5). An adjusting screw (8) is threaded onto the internal threaded ring (7). A first fixing block (9) is rotatably mounted on the bottom of the adjusting screw (8) via a bearing. A guide rod (11) is inserted through the guide sleeve (10). A second fixing block (12) is fixedly mounted on the bottom of the guide rod (11). A mounting plate (6) is fixedly mounted between the first fixing block (9) and the second fixing block (12). Mounting bolts (601) are threaded onto the four corners of the mounting plate (6).
8. The high-insulation, water-resistant commercial air conditioning wiring harness according to claim 7, characterized in that: The length of the mounting plate (6) is greater than the width of the box (5), and the left and right sides of the mounting plate (6) extend out of the left and right sides of the box (5) respectively.