Manual air volume adjusting valve convenient to operate

Abstract

The utility model relates to the technical field of air volume adjusting valves, and discloses a manual air volume adjusting valve convenient to operate, which comprises an annular shell, an annular plate is fixed on one side of the annular shell, a plurality of mounting holes are formed in the annular plate, a plurality of supporting rods are arranged in the annular shell, and the supporting rods are fixed on the annular plate. The two ends of the supporting rods are rotationally connected to the two sides of the inner wall of the annular shell through bearings, one ends of the multiple supporting rods are connected with a rotating mechanism, and wind shields are placed on one sides of the multiple supporting rods. The wind shield can be fixed to the supporting rod through the limiting mechanism, the wind shield can be driven to rotate by rotating the supporting rod, the worm can be driven to rotate by rotating the rotating handle, the worm can rotate to drive the multiple worm wheels to rotate at the same time, and the multiple rotating rods can be driven to rotate by rotating the multiple worm wheels. And the multiple rotating rods rotate to drive the multiple supporting rods to rotate, so that the angles of the multiple wind shields can be adjusted at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of air volume regulating valves, and more specifically, to a manual air volume regulating valve which is easy to operate. Background Art

[0002] The air volume regulating valve is an indispensable central air conditioning terminal accessory in the ventilation, air conditioning and air purification projects of industrial plants and civil buildings. It is generally used in air conditioning and ventilation system pipes to adjust the air volume of the branch pipes, and can also be used for the mixing and adjustment of fresh air and return air. There are multiple wind shields in the air volume regulating valve. When the angle of the air volume needs to be adjusted, multiple wind shields need to be rotated. However, the existing air volume regulating valve staff can only adjust the angle of one wind shield at a time, which is not convenient to operate. For this reason, we propose a manual air volume regulating valve that is easy to operate. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a manual air volume regulating valve that is easy to operate and has the advantage of being able to adjust the angles of multiple wind shields at one time.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manual air volume regulating valve that is easy to operate, comprising an annular shell, an annular plate is fixed on one side of the annular shell, a plurality of mounting holes are opened on the annular plate, a plurality of support rods are arranged in the annular shell, and the two ends of the support rods are rotatably connected to the two sides of the inner wall of the annular shell through bearings, a plurality of the support rods are connected to a rotating mechanism at one end, a wind shield is placed on one side of the plurality of support rods, and a limiting mechanism for engaging the wind shield is installed on the support rod.

[0005] As a preferred technical solution of the utility model, a cover plate is installed on one side of the annular plate, an opening is opened on one side of the cover plate, and a dustproof net is fixed in the opening.

[0006] As a preferred technical solution of the utility model, the rotating mechanism includes a side shell body and multiple rotating rods, the side shell body is fixed on one side above the annular shell body, one end of the multiple rotating rods is respectively fixed to one end of multiple support rods, the other ends of the multiple rotating rods are fixed with worm gears, and the worm gears are arranged in the side shell body, side bearings are fixed to both side walls of the side shell body, a worm is connected to one of the side bearings, one end of the worm passes through the other side bearing and is fixed with a rotating handle, and the worm and the multiple worm gears are arranged to cooperate with each other.

[0007] As a preferred technical solution of the utility model, the outer side of the turning handle is provided with anti-slip grooves.

[0008] As a preferred technical solution of the utility model, the limiting mechanism includes a limiting hole and a sliding hole, the sliding hole is opened on one side of the support rod, and the limiting hole is opened on one side of the wind shield. A slide plate is slidably arranged in the sliding hole, one end of the slide plate passes through the limiting hole and is fixed to the limiting plate, and the limiting plate is placed on one side of the wind shield, the other end of the slide plate extends outward and is fixed with a pull plate, a sliding rod is fixed to the side wall of the sliding hole, one end of the sliding rod passes through the slide plate and is fixed to the other side wall of the sliding hole, a spring is arranged on the outer sleeve of the sliding rod, one end of the spring is fixed to the side wall of the sliding hole, and the other end of the spring is fixed to the slide plate.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] The utility model can fix the wind shield on the support rod through the limiting mechanism, and the wind shield can be driven to rotate by rotating the support rod, and rotating the handle can drive the worm to rotate, and the rotation of the worm can simultaneously drive multiple worm gears to rotate, and the rotation of multiple worm gears can drive multiple rotating rods to rotate, and the rotation of multiple rotating rods can drive multiple support rods to rotate, so that the angles of multiple wind shields can be adjusted at the same time, which is convenient for the staff to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0013] Figure 3 This is a side view of the structure of the utility model;

[0014] Figure 4 It is a schematic diagram of the structure of the limiting mechanism of the utility model.

[0015] In the figure: 1. annular shell; 2. cover plate; 3. dust screen; 4. annular plate; 5. mounting hole; 6. support rod; 7. wind shield; 8. limiting mechanism; 81. limiting hole; 82. sliding hole; 83. slide plate; 84. sliding rod; 85. spring; 86. limiting plate; 87. pull plate; 9. turning rod; 10. worm gear; 11. side shell; 12. worm; 13. turning handle. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] like Figures 1 to 4 As shown, the utility model provides a manual air volume regulating valve that is easy to operate, including an annular shell 1, an annular plate 4 is fixed on one side of the annular shell 1, and a plurality of mounting holes 5 are opened on the annular plate 4. The air volume regulating valve can be fixed on the equipment by using bolts through the mounting holes 5. A plurality of support rods 6 are arranged in the annular shell 1, and the two ends of the support rods 6 are rotatably connected to the two sides of the inner wall of the annular shell 1 through bearings. A rotating mechanism is connected to one end of the plurality of support rods 6, and a wind shield 7 is placed on one side of the plurality of support rods 6. A limiting mechanism 8 that engages with the wind shield 7 is installed on the support rod 6. The wind shield 7 can be installed on the support rod 6 through the limiting mechanism 8, and the plurality of support rods 6 can be driven to rotate at the same time through the rotating mechanism. The rotation of the plurality of support rods 6 can drive the plurality of wind shields 7 to rotate, so that the angle of the air volume can be adjusted.

[0018] A cover plate 2 is installed on one side of the annular plate 4 , an opening is provided on one side of the cover plate 2 on the support rod 6 , and a dustproof net 3 is fixed in the opening, so that some garbage can be prevented from entering the annular shell 1 .

[0019] Among them, the rotating mechanism includes a side shell 11 and multiple rotating rods 9, the side shell 11 is fixed on one side above the annular shell 1, one end of the multiple rotating rods 9 is respectively fixed to one end of the multiple supporting rods 6, and the other end of the multiple rotating rods 9 is fixed with a worm gear 10, and the worm gear 10 is arranged in the side shell 11, and side bearings are fixed on both side walls of the side shell 11, one of the side bearings is connected with a worm 12, one end of the worm 12 passes through the other side bearing and is fixed with a rotating handle 13, and the rotating handle 13 is provided with anti-slip grooves on the outside, and the worm 12 and the multiple worm wheels 10 are arranged to cooperate with each other. Rotating the rotating handle 13 can drive the worm 12 to rotate, and the worm 12 and the multiple worm wheels 10 are arranged to cooperate with each other. When the worm 12 rotates, the multiple worm wheels 10 can be driven to rotate at the same time, and the rotation of the multiple worm wheels 10 can drive the multiple rotating rods 9 to rotate, and the rotation of the multiple rotating rods 9 can drive the multiple supporting rods 6 to rotate, so that the multiple windshield plates 7 can be driven to rotate.

[0020] The limiting mechanism 8 includes a limiting hole 81 and a sliding hole 82. The sliding hole 82 is provided on one side of the support rod 6, and the limiting hole 81 is provided on one side of the wind shield 7. A slide plate 83 is slidably arranged in the sliding hole 82. One end of the slide plate 83 passes through the limiting hole 81 and is fixed with a limiting plate 86. The limiting plate 86 is placed on one side of the wind shield 7. By placing the limiting plate 86 on one side of the wind shield 7, the wind shield 7 can be limited. The other end of the slide plate 83 extends outward and is fixed with a pull plate 87. The side wall of the sliding hole 82 is fixed with a sliding rod 84. One end of the slide bar 84 passes through the slide plate 83 and is fixed to the other side wall of the slide hole 82. A spring 85 is provided on the outer sleeve of the slide bar 84. One end of the spring 85 is fixed to the side wall of the slide hole 82, and the other end of the spring 85 is fixed to the slide plate 83. When the wind shield 7 needs to be disassembled, cleaned or replaced, it is only necessary to pull the pull plate 87. Pulling the pull plate 87 can drive the slide plate 83 to move. The movement of the slide plate 83 can drive the limit plate 86 to move. Then move the wind shield 7 to pull the limit plate 86 out along the limit hole 81.

[0021] The working principle and use process of the utility model are as follows: the wind shield 7 can be fixed on the support rod 6 through the limiting mechanism 8, which facilitates the disassembly of the wind shield 7, and rotating the handle 13 can drive the worm 12 to rotate, and the rotation of the worm 12 can simultaneously drive multiple worm wheels 10 to rotate, and the rotation of multiple worm wheels 10 can drive multiple rotating rods 9 to rotate, and the rotation of multiple rotating rods 9 can drive multiple support rods 6 to rotate, and the rotation of multiple support rods 6 can drive multiple wind shields 7 to rotate, so that the angles of multiple wind shields 7 can be adjusted at the same time, which is convenient for the staff to operate.

[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A conveniently operated manual air volume regulating valve, comprising an annular housing (1), characterized in that: An annular plate (4) is fixed on one side of the annular shell (1), and a plurality of mounting holes (5) are provided on the annular plate (4). A plurality of support rods (6) are arranged inside the annular shell (1), and the two ends of the support rods (6) are rotatably connected to the two sides of the inner wall of the annular shell (1) through bearings. One end of the plurality of support rods (6) is connected to a rotating mechanism, and a windshield (7) is placed on one side of the plurality of support rods (6), and a limiting mechanism (8) for engaging the windshield (7) is installed on the support rods (6).

2. A conveniently operated manual air volume regulating valve according to claim 1, characterized in that: A cover plate (2) is installed on one side of the annular plate (4), an opening is provided on one side of the cover plate (2), and a dustproof net (3) is fixed in the opening.

3. The conveniently operated manual air volume regulating valve according to claim 1 is characterized in that: The rotating mechanism comprises a side housing (11) and a plurality of rotating rods (9), wherein the side housing (11) is fixed on one side above the annular housing (1), one end of the plurality of rotating rods (9) is respectively fixed on one end of a plurality of supporting rods (6), the other end of the plurality of rotating rods (9) is fixed with a worm gear (10), and the worm gear (10) is arranged in the side housing (11), and side bearings are fixed on both side walls of the side housing (11), a worm (12) is connected in one of the side bearings, one end of the worm (12) passes through the other side bearing and is fixed with a rotating handle (13), and the worm (12) and the plurality of worm gears (10) are arranged in cooperation with each other.

4. The conveniently operated manual air volume regulating valve according to claim 3 is characterized in that: The rotating handle (13) is provided with anti-skid patterns on the outside.

5. The conveniently operated manual air volume regulating valve according to claim 1 is characterized in that: The limiting mechanism (8) comprises a limiting hole (81) and a sliding hole (82), wherein the sliding hole (82) is provided on one side of the support rod (6), and the limiting hole (81) is provided on one side of the wind shield (7). A sliding plate (83) is slidably arranged in the sliding hole (82), one end of the sliding plate (83) passes through the limiting hole (81) and is fixed with a limiting plate (86), and the limiting plate (86) is placed on one side of the wind shield (7), the other end of the sliding plate (83) extends outward and is fixed with a pulling plate (87), a sliding rod (84) is fixed to the side wall of the sliding hole (82), one end of the sliding rod (84) passes through the sliding plate (83) and is fixed to the other side wall of the sliding hole (82), a spring (85) is provided on the outer sleeve of the sliding rod (84), one end of the spring (85) is fixed to the side wall of the sliding hole (82), and the other end of the spring (85) is fixed to the sliding plate (83).

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