Constant air valve structure capable of adjusting air volume

Abstract

The utility model relates to a constant air valve structure capable of adjusting air volume, which belongs to the technical field of constant air valves and comprises a valve casing, a mounting hole is arranged on the valve casing, the valve casing is rotatably connected with an adjusting rod through the mounting hole, an adjusting blade is mounted on the adjusting rod, an air volume pointer is mounted on the adjusting rod, and a nut is in threaded connection with the adjusting rod. A lubricating structure is arranged on the valve shell; the lubricating structure comprises a lower oil hole formed in the valve shell, the valve shell is communicated with a lower oil pipe through the lower oil hole, the top end of the lower oil pipe is communicated with an oil tank, and the lower oil hole is communicated with the mounting hole. By arranging the lubricating structure, lubricating oil slowly flows into the lower oil hole from the oil tank through the lower oil pipe and then flows into the mounting hole through the lower oil hole to lubricate the space between the valve shell and the adjusting rod, and generated dirty oil flows into the oil discharge hole through the mounting hole and is discharged from the inner side of the valve shell; and the influence on the rotating sensitivity of the adjusting rod due to friction resistance between the adjusting rod and the valve shell is avoided as much as possible.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of damper, and relates to a damper structure capable of adjusting air volume. BACKGROUND

[0002] The damper, usually referred to as a constant air volume valve, currently has the ability to adjust air volume.

[0003] In the use process of the damper, the adjusting blade is connected with the valve shell through the adjusting rod, and the adjusting rod needs to be rotated when adjustment is needed. With long-term use, the adjusting rod and the valve shell are prone to friction and obstruction, affecting the sensitivity of the adjusting rod rotation.

[0004] To solve the above problems, the damper structure capable of adjusting air volume is provided in the application. UTILITY MODEL CONTENTS

[0005] The utility model provides a damper structure capable of adjusting air volume in view of the technical problems existing in the prior art.

[0006] The technical scheme for solving the above technical problems is as follows: a damper structure capable of adjusting air volume, comprising a valve shell, an installation hole is formed in the valve shell, the valve shell is rotationally connected with an adjusting rod through the installation hole, an adjusting blade is installed on the adjusting rod, an air volume pointer is installed on the adjusting rod, and a nut is threadedly connected to the adjusting rod.

[0007] A lubricating structure is arranged on the valve shell.

[0008] The lubricating structure comprises an oil outlet hole formed in the valve shell, the valve shell is communicated with an oil outlet pipe through the oil outlet hole, the top end of the oil outlet pipe is communicated with an oil tank, and the oil outlet hole is communicated with the installation hole.

[0009] An oil discharge hole is formed in the valve shell and communicated with the installation hole.

[0010] A threaded plug is threadedly connected to the inner wall of the oil tank, and the threaded plug is arranged to block the output end of the oil tank.

[0011] A sponge strip is arranged in the oil outlet pipe, and the sponge strip is arranged to slow down the moving speed of the lubricating oil.

[0012] A slot is formed in the outer side of the valve shell, a collecting box is movably inserted into the valve shell through the slot, a plug is installed on the outer side of the collecting box, four limiting plates are installed on the valve shell, two limiting plates of the four limiting plates are located on the two sides of the slot, and the plug is movably inserted between a group of limiting plates. The slot, the collecting box, the plug, and the limiting plates are arranged to receive the dirty oil.

[0013] The opposite side of each of the limiting plates is provided with a rubber sheet, which is arranged to be pressed between the limiting plate and the plug.

[0014] The inner side of the valve shell is provided with a plurality of secondary holes connected with the oil discharge hole, a plurality of receiving holes are arranged on the valve shell, a plurality of distribution holes connected with the receiving holes are arranged on the valve shell, the secondary holes, the receiving holes and the distribution holes are arranged to receive the dirty oil twice.

[0015] The utility model discloses the beneficial effect is:

[0016] Through setting up lubricating structure, lubricating oil slowly flows into the oil hole from the oil tank through the oil pipe, and the dirty oil generated by the oil hole flows into the mounting hole to lubricate between the valve shell and the adjusting rod, and the dirty oil flows into the oil discharge hole from the valve shell inside, which avoids the friction between the adjusting rod and the valve shell, and affects the sensitivity of the adjusting rod rotation.

[0017] The secondary hole is used for collecting the dirty oil overflowed in the mounting hole twice, in addition, the overflowed dirty oil is relatively dispersed and flows downward along the inner wall of the valve shell, at this time, the plurality of distribution holes help to receive a large amount of dirty oil, and the dirty oil is discharged from the valve shell inside through the receiving hole, so that the effect of discharging the dirty oil twice is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model discloses the whole structure schematic diagram of the device is shown for the utility model;

[0019] Figure 2 The mounting hole and the related part structure section view schematic diagram of the utility model is shown for the utility model;

[0020] Figure 3 The utility model is shown for the utility model Figure 2 The enlarged view of A in the middle;

[0021] Figure 4 The utility model is shown for the utility model Figure 2 The enlarged view of B in the middle;

[0022] Figure 5 The receiving hole and the related part structure section view schematic diagram of the utility model is shown for the utility model.

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] 1, valve shell;101, adjusting rod;102, nut;103, adjusting blade;104, air volume pointer;105, mounting hole;

[0025] 2, lubricating structure; 201, oil hole; 202, oil pipe; 203, oil tank; 204, threaded plug; 205, sponge strip; 206, oil discharge hole; 207, secondary hole; 208, receiving hole; 209, distribution hole; 210, insertion slot; 211, limiting plate; 212, rubber sheet; 213, collection box; 214, insertion plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0027] In the description of the present application, the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] In the description of the present application, the term "for example" is used to indicate "as an example, illustration or description". Any embodiment described as "for example" in the present application is not necessarily interpreted as more preferred or more advantageous than other embodiments. The following description is given in order to enable any person skilled in the art to implement and use the present application. In the following description, details are listed for the purpose of explanation. It should be understood that those skilled in the art can realize the present application without using these specific details. In other examples, well-known structures and processes will not be described in detail to avoid unnecessary details making the description of the present application obscure. Therefore, the present application is not intended to be limited to the shown embodiments, but is consistent with the broadest scope of principles and features disclosed in the present application.

[0029] REFERENCE Figures 1-4The application discloses a fixed air volume valve structure with adjustable air volume, which comprises a valve shell 1, a mounting hole 105 is formed in the valve shell 1, an adjusting rod 101 is rotatably connected to the valve shell 1 through the mounting hole 105, an adjusting blade 103 is installed on the adjusting rod 101, an air volume pointer 104 is installed on the adjusting rod 101, a nut 102 is threadedly connected to the adjusting rod 101, and a lubricating structure 2 is arranged on the valve shell 1; the lubricating structure 2 comprises a lower oil hole 201 formed in the valve shell 1, a lower oil pipe 202 is communicated with the valve shell 1 through the lower oil hole 201, an oil tank 203 is communicated with the top end of the lower oil pipe 202, and the lower oil hole 201 is communicated with the mounting hole 105; an oil discharge hole 206 is formed in the valve shell 1 and communicated with the mounting hole 105, according to the above technical scheme, specifically, lubricating oil is filled in the oil tank 203 in advance, then the lubricating oil slowly flows into the lower oil hole 201 through the lower oil pipe 202, the valve shell 1 and the adjusting rod 101 are lubricated by the lubricating oil flowing into the mounting hole 105 from the lower oil hole 201, then the dirty oil flows into the oil discharge hole 206 from the mounting hole 105 and is discharged from the inside of the valve shell 1, so that the sensitivity of the adjusting rod 101 is affected by the friction between the adjusting rod 101 and the valve shell 1 as little as possible.

[0030] With reference to Figure 3 The inner wall of the oil tank 203 is threadedly connected with a threaded plug 204. The threaded plug 204 is used for plugging the input end of the oil tank 203.

[0031] With reference to Figure 1 A sponge strip 205 is arranged in the lower oil pipe 202, and the sponge strip 205 is used for slowing down the flowing speed of the lubricating oil.

[0032] With reference to Figure 2 And Figure 4 An insertion groove 210 is formed in the outer side of the valve shell 1, a collecting box 213 is movably inserted into the insertion groove 210 through the insertion groove 210, a plug plate 214 is installed on the outer side of the collecting box 213, four limiting plates 211 are installed on the valve shell 1, two limiting plates 211 in each group are located on the two sides of the insertion groove 210, the plug plate 214 is movably inserted between the limiting plates 211 in one group, the collecting box 213 is inserted into the insertion groove 210, so that the plug plate 214 is located between the limiting plates 211, and the collecting box 213 is convenient for collecting the dirty oil;

[0033] Rubber sheets 212 are installed on the opposite sides of each group of limiting plates 211, the rubber sheets 212 are pressed between the plug plate 214 and the limiting plates 211, and the position of the collecting box 213 is fixed.

[0034] With reference to Figure 4 And Figure 5The inner side of the valve shell 1 is provided with a plurality of secondary holes 207 communicated with the oil discharge hole 206, the valve shell 1 is provided with a plurality of receiving holes 208, the valve shell 1 is provided with a plurality of distribution holes 209 communicated with the receiving holes 208, according to the above technical scheme, in particular, the secondary hole 207 is used for collecting the overflowed dirty oil in the mounting hole 105, in addition, the overflowed dirty oil is relatively dispersedly flowed along the inner wall of the valve shell 1 downwards, at this time, the plurality of distribution holes 209 are helpful to receive a large amount of dirty oil, and the dirty oil is discharged from the inner side of the valve shell 1 through the receiving hole 208, thereby the effect of secondary discharging of the dirty oil is achieved.

[0035] Working principle:

[0036] The adjustable air volume fixed air valve structure, the lubricating oil is filled in the oil tank 203 in advance, then the lubricating oil slowly flows into the lower oil hole 201 through the lower oil pipe 202, lubricates between the valve shell 1 and the adjusting rod 101 flowing into the mounting hole 105 from the lower oil hole 201, then the dirty oil flows into the oil discharge hole 206 through the mounting hole 105 and is discharged from the inner side of the valve shell 1, thereby the sensitivity of the rotation of the adjusting rod 101 is avoided to be affected by the friction between the adjusting rod 101 and the valve shell 1.

[0037] The adjustable air volume fixed air valve structure, the secondary hole 207 is used for collecting the overflowed dirty oil in the mounting hole 105, in addition, the overflowed dirty oil is relatively dispersedly flowed along the inner wall of the valve shell 1 downwards, at this time, the plurality of distribution holes 209 are helpful to receive a large amount of dirty oil, and the dirty oil is discharged from the inner side of the valve shell 1 through the receiving hole 208, thereby the effect of secondary discharging of the dirty oil is achieved.

[0038] Although the preferred embodiments of the present application have been described, those skilled in the art who have the basic inventive concept can make further changes and modifications to the embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0039] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A damper structure capable of adjusting air volume, comprising a valve housing (1), characterized in that, The valve shell (1) is provided with a mounting hole (105), the valve shell (1) is rotatably connected with an adjusting rod (101) through the mounting hole (105), the adjusting rod (101) is provided with an adjusting blade (103), the adjusting rod (101) is provided with an air volume pointer (104), and the adjusting rod (101) is threadedly connected with a nut (102). The valve shell (1) is provided with a lubricating structure (2); The lubricating structure (2) comprises a lower oil hole (201) formed in the valve shell (1), the valve shell (1) is communicated with a lower oil pipe (202) through the lower oil hole (201), the top end of the lower oil pipe (202) is communicated with an oil tank (203), and the lower oil hole (201) is communicated with the mounting hole (105). The valve shell (1) is provided with an oil discharge hole (206) communicated with the mounting hole (105).

2. The damper according to claim 1, wherein The inner wall of the oil tank (203) is threadedly connected with a threaded plug (204).

3. The damper bearing structure of claim 1, wherein The lower oil pipe (202) is provided with a sponge strip (205).

4. The damper bearing structure of claim 1, wherein The outer side of the valve shell (1) is provided with a slot (210), the valve shell (1) is movably inserted with a collecting box (213) through the slot (210), the outer side of the collecting box (213) is provided with an insertion plate (214), the valve shell (1) is provided with four limiting plates (211), two of the four limiting plates (211) are located on the two sides of the slot (210), and the insertion plate (214) is movably inserted between the two limiting plates (211).

5. The damper bearing structure of claim 4, wherein The opposite side of each set of limiting plates (211) is provided with a rubber sheet (212).

6. The damper bearing structure of claim 1, wherein The inner side of the valve shell (1) is provided with a plurality of secondary holes (207) communicated with the oil discharge hole (206), the valve shell (1) is provided with a plurality of receiving holes (208), and the valve shell (1) is provided with a plurality of distribution holes (209) communicated with the receiving holes (208).

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