Movable air supply pipe of air conditioner for special vehicle
By designing an air-conditioning movable air supply duct including air outlet pipe, plug plate, and corrugated pipe elbow, the problems of single air supply mode and complicated air duct pipeline layout in the prior art are solved, and the functions of full-angle and all-round air supply and air volume direction adjustment are realized, reducing costs and weight.
Patent Information
- Application Number
- CN202421765406.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The air conditioner air supply method of existing special vehicles is single, and it is impossible to achieve all-angle and all-round air supply. The air duct pipelines are complicated, costly and heavy, which affects the weight of the entire vehicle.
An air conditioner movable air supply duct including air outlet pipe, plug plate, and corrugated pipe elbow is designed. It is closely connected to the air conditioner air outlet through the bellows elbow, with a certain degree of telescopicity and plasticity. It can adjust the position of the air outlet pipe according to the needs of the occupant, and achieve flexible adjustment of air volume and direction through the ball seat and valve plate structure.
It realizes a full-angle and all-round air supply with a simple structure, light weight and low cost. It can adjust the air volume and air direction according to different needs to meet the needs of temporary adjustment of the air supply position.
Smart Images

Figure CN222987922U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a movable air supply duct for an air conditioner of a special vehicle. Background Art
[0002] Special vehicles generally have good airtightness, which causes the interior of the vehicle to be stuffy, especially in summer. It is necessary to be equipped with an air conditioner for adjustment to make the interior environment of the vehicle comfortable. For existing special vehicles, the air supply adjustment method of the air conditioner is single and cannot achieve all-angle and all-round air supply; the air supply methods of the air conditioner are all open and diffused air supply, or air supply is carried out through air ducts arranged in the vehicle. The air outlet adjustment method is single and cannot achieve all-angle and all-round air supply; the arrangement of the air ducts is complicated, the cost is high, and the air ducts have a certain weight, which is a severe test for the weight of the whole vehicle. Summary of the Invention
[0003] In order to solve the above technical problems, the utility model provides a movable air supply duct for an air conditioner of a special vehicle, which has a simple structure, is light in weight, low in cost, and is convenient to install and maintain.
[0004] The technical solution adopted by the utility model is: a movable air supply duct for an air conditioner of a special vehicle, including an air outlet pipe, a plug plate and a corrugated pipe elbow; one end of the air outlet pipe is blocked by a plug plate, and the other end is connected to the corrugated pipe elbow; several air outlets are arranged on the side wall of the air outlet pipe;
[0005] The air outlet includes a connecting seat, a ball seat and an air outlet pipe; the central hole of the connecting seat is spherical, and the ball seat is in clearance fit with the central hole of the connecting seat; the central hole of the ball seat is in clearance fit with the air outlet pipe; a valve plate is hinged in the air outlet pipe, a pin shaft is fixedly installed on the valve plate, and the pin shaft can control the rotation of the valve plate; the connecting seat is fixed on the air outlet pipe, and the air outlet pipe is communicated with the air outlet pipe.
[0006] In the above-mentioned movable air supply duct for an air conditioner of a special vehicle, an O-shaped sealing ring is arranged between the outer wall of the ball seat and the inner wall of the connecting seat.
[0007] In the above-mentioned movable air supply duct for an air conditioner of a special vehicle, an air outlet seat plate is fixedly installed on the side wall of the air outlet pipe, and three air outlets are installed on the air outlet seat plate.
[0008] In the above-mentioned movable air supply duct for an air conditioner of a special vehicle, a retaining ring and a saddle-shaped pad are arranged on the side wall of the central hole of the ball seat, and the saddle-shaped pad is located between the retaining ring and the outer end of the air outlet pipe.
[0009] In the above-mentioned movable air supply duct for an air conditioner of a special vehicle, a transparent heat shrink tube is arranged at the outer end of the pin shaft; the valve plate is hinged in the air outlet pipe through two coaxial pin nails.
[0010] In the above-mentioned movable air supply duct for the special vehicle air conditioner, a connecting plate is provided on the air outlet pipe, and the connecting plate is used to install the air outlet pipe on the vehicle body.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] 1. The present utility model is composed of an air outlet, an air outlet pipe, a plug plate, and a corrugated pipe elbow, with a simple structure, light weight, and low cost; the air outlet pipe assembly is tightly connected to the air conditioner air outlet through the corrugated pipe elbow, and the corrugated pipe elbow has certain flexibility and plasticity, and the air outlet pipe can be adjusted to the required position for use according to different needs of the occupants.
[0013] 2. Three air outlets are arranged on the air outlet pipe of the present utility model, and the ball seat of the air outlet can rotate flexibly relative to the connecting seat and has a certain damping; the air volume can be adjusted through the control valve plate, and the adjustment of different angles of air supply and different air volumes of the air conditioner can be realized simultaneously; it can not only meet the functions of all-round, full-angle air supply and air volume adjustment, but also facilitate the temporary adjustment of the air supply position in the vehicle. Description of the Drawings
[0014] Figure 1 is the structural diagram of the present utility model.
[0015] Figure 2 is the structural diagram of the air outlet of the present utility model. Detailed Embodiment
[0016] The present utility model will be further described below with reference to the drawings.
[0017] As Figure 1-2 shown, the present utility model includes an air outlet pipe 1, a plug plate 2, and a corrugated pipe elbow 3. One end of the air outlet pipe 1 is blocked by the plug plate 2, and the other end is connected to the corrugated pipe elbow 3 through a stainless steel hose clamp 5. A tuyere seat plate 6 is provided on the side wall of the air outlet pipe 1 near the plug plate 2, and three air outlets 4 are provided on the tuyere seat plate 6 (the air outlet can be one or multiple, and when multiple, it is not limited to three). A connecting plate 7 is provided on the air outlet pipe 1, and the connecting plate 7 is used to install the air outlet pipe 1 on the vehicle body.
[0018] The described air outlet 4 includes a connecting seat 41, a ball seat 42, an air outlet pipe 43 and a valve plate 44; the central hole of the connecting seat 41 is spherical, the ball seat 42 is in clearance fit with the central part of the connecting seat 41, an O-ring seal 45 is provided between the outer wall of the ball seat 42 and the inner wall of the connecting seat 41, the ball seat 42 can rotate within the connecting seat 41, and the O-ring seal 45 provides a certain damping between them. The central hole of the ball seat 32 is in clearance fit with the air outlet pipe 43; a valve plate 44 is hinged in the air outlet pipe 43 by two coaxial pins 46; the axes of the two coaxial pins 46 pass through a diameter of the air outlet pipe 43; and the valve plate can be in clearance fit with the air outlet pipe 43. The valve plate 44 is provided with a pin hole, the pin hole is a through hole, and there is an included angle between the axis of the pin hole and the axis of the air outlet pipe 43; a pin shaft 47 is fixed in the pin hole, and a transparent heat shrinkable tube 410 is provided at the outer end of the pin shaft 47. In order to prevent the air outlet pipe 43 from being disengaged from the ball seat 42, a retaining ring 38 and a saddle-shaped pad 49 are provided on the side wall of the central hole of the ball seat 32, and the saddle-shaped pad 49 is located between the retaining ring 48 and the outer end of the air outlet pipe 43. The connecting seat 41 is fixed on the air outlet seat plate 6 of the air outlet pipe 1, and the air outlet pipe 43 is communicated with the air outlet pipe 1.
[0019] During the assembly of the air outlet, after the pin shaft 47 is inserted into the valve plate 44, the pin shaft 47 is fixed by riveting, the heat shrinkable tube 410 is installed on the pin shaft 47 with a hot air gun, the long hole part of the retaining ring is bent to match the pin shaft, the valve plate and the air outlet pipe 43 should rotate flexibly after being connected by two coaxial pins 46, and after assembly, the air outlet pipe 43 and the ball seat 42, and the ball seat 42 and the connecting seat 41 rotate flexibly and have damping. After installation is completed, the air outlet 4 is fastened to the air outlet seat plate 6 with stainless steel screws. One end of the corrugated pipe elbow 3 is clamped to the air outlet pipe 1 with a stainless steel hose clamp 5, and the other end can be cut with 3 - 4 cuts with a length of 20 to facilitate necking during installation. By controlling the valve plate 44, the air volume and the air volume direction can be adjusted; by controlling the rotation of the ball seat 42, the air conditioner can be controlled to send air in different directions; by adjusting the corrugated pipe elbow, the switching of hot and cold air of the air conditioner and the requirement of the air conditioner to send air to different positions in the vehicle can be realized.
Claims
1. A movable air supply duct for air conditioning of special vehicles, characterized by: It includes an air outlet pipe, a blocking plate and a bellows elbow; one end of the air outlet pipe is blocked by the blocking plate, and the other end is connected to the bellows elbow; a plurality of air outlets are arranged on the side wall of the air outlet pipe; The air outlet includes a connecting seat, a ball seat, and an air outlet pipe; the center hole of the connecting seat is spherical, and the ball seat and the center hole of the connecting seat are gap-matched; the center hole of the ball seat and the air outlet pipe are gap-matched; a valve plate is hinged in the air outlet pipe, and a pin is fixedly installed on the valve plate, and the pin can control the rotation of the valve plate; the connecting seat is fixed on the air outlet pipe, and the air outlet pipe is connected to the air outlet pipe.
2. The movable air supply duct for air conditioning of special vehicles according to claim 1 is characterized in that: An O-type sealing ring is arranged between the outer wall of the ball seat and the inner wall of the connecting seat.
3. The movable air supply duct for air conditioning of special vehicles according to claim 1 is characterized in that: In the above-mentioned movable air supply duct for air conditioning of special vehicles, an air outlet seat plate is fixedly installed on the side wall of the air outlet pipe, and three air outlets are installed on the air outlet seat plate.
4. The movable air supply duct for air conditioning of special vehicles according to claim 1 is characterized in that: In the above-mentioned movable air supply duct for air conditioner used in special vehicles, a retaining ring and a saddle pad are arranged on the side wall of the center hole of the ball seat, and the saddle pad is located between the retaining ring and the outer end of the air outlet pipe.
5. The movable air supply duct for air conditioning of special vehicles according to claim 1 is characterized in that: The outer end of the pin shaft is provided with a transparent heat shrink tube; the valve plate is hinged in the air outlet pipe through two coaxial pins.
6. The movable air supply duct for air conditioning of special vehicles according to claim 1 is characterized in that: The air outlet pipe is provided with a connecting plate, and the connecting plate is used for installing the air outlet pipe on the vehicle body.