Air valve blade connecting piece

Abstract

The utility model belongs to the technical field of air valves, particularly relates to an air valve blade connecting piece, and aims to solve the problems that in the prior art, in actual use, a handle is generally used for adjusting the rotation angle of a blade so as to control the air volume, but the stability of the handle and the blade is poor in use, the handle and the blade are easily influenced by external force to shake or deflect, and the air volume is influenced. According to the technical scheme, the fan comprises a shell and blades, and the blades are rotationally connected to the inner wall of the shell; the connecting shaft is fixedly connected to the right side of the blade, the right side of the connecting shaft extends to the outside of the shell, and the handle is fixedly connected to the right side of the connecting shaft; according to the utility model, the handle is fixed or unlocked through a simple structure, so that the blade is rotationally positioned, the blade is kept stable during use, the blade is prevented from shaking or loosening due to the influence of external force, and good practicability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air valve, especially to an air valve blade connecting piece. BACKGROUND

[0002] The air volume regulating valve is also called air door or air valve, and is an indispensable central air conditioning terminal accessory in the ventilation, air conditioning and air purification engineering of industrial plants and civil buildings, is generally used in air conditioning and ventilation system pipeline to adjust the air volume of branch pipes, and can be used for mixing adjustment of fresh air and return air, controls the flow, pressure and direction of airflow in the air duct by opening or closing to realize effective management of air circulation, and the air valve can be divided into various types according to the structure, function and application environment: manual air valve: function: the opening degree of the air valve is controlled by manually operating the switch. Application: it is commonly used in the occasions requiring regular flow adjustment or start-stop in the ventilation system, and is simple to operate, suitable for small or fixed equipment. Automatic air valve: function: the opening and closing state of the air valve is automatically adjusted by an electric or pneumatic drive device, and is usually combined with a sensor to realize automatic adjustment according to air flow, temperature and the like. Application: it is widely used in places requiring accurate control and adjustment of air volume, such as large air conditioning systems and industrial ventilation systems. Regulating air valve: function: it is used for accurately controlling air volume and air speed, and adjusting the flow of airflow in the air duct. Application: it is usually used in occasions requiring stable air volume control, such as air conditioning systems and ventilation pipelines. Check air valve: function: the check air valve is mainly used for preventing airflow from flowing in the opposite direction to avoid the backflow of airflow in the pipeline. Application: it is widely used in exhaust systems and fire prevention ventilation systems to ensure that airflow can only flow in one direction. Fire prevention air valve: function: it is used for preventing fire spreading, and can be automatically closed to block the spread of fire sources and toxic smoke through the ventilation pipeline. Application: it is particularly suitable for places requiring fire safety, such as high-rise buildings and industrial plants. Sound insulation air valve: function: it is used for reducing the noise caused by airflow in the air duct and reducing vibration propagation. Application: it is suitable for environments with high noise requirements, such as offices, hospitals and laboratories. The air valve is widely used in various industries and places, mainly including: air conditioning system: adjusting the distribution of cold and warm airflow to ensure the normal operation of the air conditioning system. Ventilation system: used in industrial plants, underground parking lots, shopping malls, office buildings and other places to ensure air circulation and indoor air quality. Smoke exhaust system: such as fire smoke exhaust in buildings, kitchen exhaust and the like to ensure the safe exhaust of airflow. Air filtration system: the air valve is used for adjusting air flow, and is used with a filter to ensure air quality.

[0003] The air valve in the prior art is usually adjusted by using a handle to adjust the rotation angle of the blade to control the air volume, but the stability of the handle and the blade is poor and is easily affected by external force to shake or deflect, which is inconvenient in use, so the air valve blade connecting piece is proposed to solve the above problems. The utility model discloses a content

[0004] The utility model discloses a kind of wind valve vane connecting pieces, including

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of wind valve vane connecting piece, including

[0007] Shell and vane, the vane is rotatably connected in the inner wall of shell;

[0008] Connecting shaft and handle, the connecting shaft is fixedly connected at the right side of vane, and the right side of connecting shaft extends to the outside of shell, the handle is fixedly connected at the right side of connecting shaft;

[0009] Adjusting mechanism, adjusting mechanism is connected with handle, and the adjusting mechanism is used to fix handle so that vane is fixed.

[0010] As a preferred scheme of the utility model, the adjusting mechanism includes: positioning plate, plug rod, push plate and positioning groove;

[0011] The positioning plate is fixedly connected at the right side of shell, the plug rod and push plate are slidably connected at the right side of handle, and the bottom of plug rod and the top of push plate are fixedly connected, the positioning groove is arranged at the bottom of positioning plate, and the number of positioning groove is multiple, and plug rod and positioning groove are engaged.

[0012] As a preferred scheme of the utility model, the right side of shell is provided with through hole, and the inner wall of through hole is rotatably connected with the outer wall of connecting shaft.

[0013] As a preferred scheme of the utility model, the right side of handle is fixedly connected with fixed sleeve, and the outer wall of plug rod is slidably connected with the inner wall of fixed sleeve.

[0014] As a preferred scheme of the utility model, the right side of handle is provided with sliding slot, and the inner wall of sliding slot is symmetrically provided with limiting slot, and the number of limiting slot is two, the left side of plug rod is fixedly connected with sliding plate, and the outer wall of sliding plate is slidably connected with the inner wall of limiting slot and sliding slot.

[0015] As a preferred scheme of the utility model, the inner wall of sliding slot is fixedly connected with spring, and the bottom of sliding plate is fixedly connected with the top of spring.

[0016] Beneficial effects:

[0017] 1. The handle is convenient to drive the connecting shaft to rotate to make the blade rotate, and the handle is fixed through the adjusting mechanism to make the blade fixed;

[0018] 2. The handle and the blade are unlocked by pushing the push plate to move downward to drive the inserting rod to move downward, and the inserting rod is out of contact with the positioning groove when moving, so that the handle and the blade are unlocked;

[0019] In the utility model, the handle is fixed or unlocked through simple structure, so that the blade is positioned in rotation, the blade is kept stable during use, shaking or loosening caused by external force is prevented, and good practicability is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the perspective view of the utility model;

[0021] Figure 2 It is the perspective view of the blade, the connecting shaft, the handle, the inserting rod and the push plate of the utility model;

[0022] Figure 3 It is the partial perspective view of the utility model;

[0023] Figure 4 It is the perspective view of the push plate, the inserting rod and the sliding plate of the utility model.

[0024] In the drawing: 1, shell; 2, blade; 3, connecting shaft; 4, handle; 5, positioning plate; 6, inserting rod; 7, push plate; 8, sliding plate; 9, spring; 10, fixed sleeve; 11, positioning groove. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] EMBODIMENT

[0027] REFERENCE Figures 1-4 A kind of air valve blade connecting piece, comprising

[0028] Shell 1 and blade 2, blade 2 is rotatably connected to the inner wall of shell 1;

[0029] Connecting shaft 3 and handle 4, connecting shaft 3 is fixedly connected to the right side of blade 2, and the right side of connecting shaft 3 extends to the outside of shell 1, handle 4 is fixedly connected to the right side of connecting shaft 3;

[0030] Adjusting mechanism, adjusting mechanism is connected with handle 4, and adjusting mechanism is used to fix handle 4 to make blade 2 fixed.

[0031] As a preferred scheme of the utility model, the adjusting mechanism comprises: a positioning plate 5, a plug rod 6, a push plate 7 and a positioning groove 11.

[0032] The positioning plate 5 is fixedly connected to the right side of the shell 1, the plug rod 6 and the push plate 7 are both slidingly connected to the right side of the handle 4, the bottom of the plug rod 6 is fixedly connected to the top of the push plate 7, the positioning groove 11 is arranged at the bottom of the positioning plate 5, the number of the positioning groove 11 is multiple, and the plug rod 6 is clamped with the positioning groove 11.

[0033] As a preferred scheme of the utility model, a through hole is formed in the right side of the shell 1, the inner wall of the through hole is rotationally connected to the outer wall of the connecting shaft 3, the connecting shaft 3 is conveniently limited through the through hole, and the connecting shaft 3 is conveniently rotated

[0034] As a preferred scheme of the utility model, the right side of the handle 4 is fixedly connected with a fixed sleeve 10, the outer wall of the plug rod 6 is slidingly connected to the inner wall of the fixed sleeve 10, the plug rod 6 is conveniently limited through the fixed sleeve 10, and the plug rod 6 is conveniently clamped with the positioning groove 11.

[0035] As a preferred scheme of the utility model, a sliding groove is formed in the right side of the handle 4, the inner wall of the sliding groove is symmetrically provided with a limiting groove, the number of the limiting groove is two, the left side of the plug rod 6 is fixedly connected with a sliding plate 8, the outer wall of the sliding plate 8 is slidingly connected to the inner wall of the limiting groove and the sliding groove, the sliding plate 8 is conveniently limited through the cooperation of the sliding groove and the limiting groove, so that the plug rod 6 is conveniently slid up and down.

[0036] As a preferred scheme of the utility model, the inner wall of the sliding groove is fixedly connected with a spring 9, the bottom of the sliding plate 8 is fixedly connected to the top of the spring 9, the sliding plate 8 is conveniently reset through the elastic force of the spring 9, so as to drive the plug rod 6 to reset.

[0037] It should be noted that: specific type of blade 2 is selected by the person skilled in the art, and the above blade 2 and the like all belong to the prior art, and the scheme is not described in detail.

[0038] The utility model discloses a working principle: when actually using, install shell 1 in suitable position, when needing to adjust the rotation angle of vane 2, first push the push -plate 7, the push -plate 7 down will drive the insertion rod 6 to go down when insertion rod 6 moves and will drive the slide plate 8 to go down, the slide plate 8 slides in the inner wall of spacing groove at this moment, through the spacing groove to the slide plate 8 is positioned, make the slide plate 8 and spacing groove stable perpendicular movement, through the fixed sleeve 10 and move insertion rod 6 stable movement, insertion rod 6 moves and the positioning groove 11 contact at this moment is separated, to make handle 4 to be unlocked, through the push handle 4 rotation can drive the connecting shaft 3 rotation and drive vane 2 to rotate, the interval and the number of positioning groove 11 can be set up according to the use demand, when vane 2 rotates to the suitable position, make insertion rod 6 and positioning groove 11 alignment at this moment, release the push -plate 7, spring 9 loses the limit and pushes the slide plate 8 reset and drives insertion rod 6 reset, through insertion rod 6 reset and positioning groove 11 and make handle 4 fixed, and make vane 2 be fixed in the current angle, realize according to the use demand and adjust the rotation angle of vane 2's effect, and make vane 2 keep stable when using.

[0039] The above, only for the utility model of preferable specific implementation, but the protection scope of the utility model is not limited to this, any familiar with the technical field of the technical person in the utility model discloses the technical range, according to the utility model technical scheme and the utility model concept of the utility model, equivalent replacement or change, all should cover in the protection scope of the utility model.

Claims

1. A wind vane blade connector, characterized in that, The utility model relates to a kind of adjustable fan, including Housing (1) and blade (2), the blade (2) is rotatably connected in the inner wall of housing (1); Connecting shaft (3) and handle (4), the connecting shaft (3) is fixedly connected in the right side of blade (2), and the right side of connecting shaft (3) extends to the outside of housing (1), the handle (4) is fixedly connected in the right side of connecting shaft (3); Adjusting mechanism, adjusting mechanism is connected with handle (4), the adjusting mechanism is used to fix handle (4) so that blade (2) is fixed.

2. A wind turbine blade connection according to claim 1, wherein The adjusting mechanism includes: positioning plate (5), plug rod (6), dial plate (7) and positioning groove (11); The positioning plate (5) is fixedly connected in the right side of housing (1), the plug rod (6) and dial plate (7) are both slidingly connected in the right side of handle (4), and the bottom of plug rod (6) is fixedly connected with the top of dial plate (7), the positioning groove (11) is arranged in the bottom of positioning plate (5), and the number of positioning groove (11) is multiple, and plug rod (6) and positioning groove (11) are engaged.

3. A wind turbine blade connection according to claim 1, wherein The right side of housing (1) is provided with through hole, and the inner wall of through hole is rotatably connected with the outer wall of connecting shaft (3).

4. A wind turbine blade connection according to claim 1, wherein The right side of handle (4) is fixedly connected with fixed sleeve (10), and the outer wall of plug rod (6) is slidingly connected with the inner wall of fixed sleeve (10).

5. A wind turbine blade connection according to claim 2, wherein The right side of handle (4) is provided with sliding slot, and the inner wall of sliding slot is symmetrically provided with limiting slot, and the number of limiting slot is two, the left side of plug rod (6) is fixedly connected with sliding plate (8), and the outer wall of sliding plate (8) is slidingly connected with the inner wall of limiting slot and sliding slot.

6. A wind turbine blade connection according to claim 5, wherein The inner wall of sliding slot is fixedly connected with spring (9), and the bottom of sliding plate (8) is fixedly connected with the top of spring (9).

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