Reducing linear flow precise regulation and control device

Abstract

The utility model discloses a variable-diameter linear flow precise regulation and control device which comprises a fixing unit and a rotating unit, the fixing unit comprises a first fixed disc and a second fixed disc, and the first fixed disc is located at the top of the second fixed disc; the rotating unit comprises a shifting piece, a first rotating disc, a second rotating disc and a vent hole adjusting piece. A connecting hole is formed in the middle of the shifting piece, and a plurality of shifting holes are formed in the periphery of the shifting piece. According to the variable-diameter linear flow precise regulation and control device, linkage is carried out through the fixing unit and the rotating unit, by adjusting the rotating angle of each adjusting blade, the diameter size of a ventilation hole is linearly adjusted, precise regulation and control of flow are achieved, and the variable-diameter linear flow precise regulation and control device has the advantages of being stable in structure, high in precision, high in practicability and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to flow regulation technical field, concretely relates to a variable diameter linear flow precision control device. BACKGROUND

[0002] In the industrial production process, flow regulating valve is the key equipment for realizing fluid flow control. The existing flow control device mostly realizes flow control through the opening of regulating valve, but this way has many limitations. The flow regulating characteristics of traditional regulating valve are often nonlinear, and it is difficult to realize accurate control in small flow regulation, resulting in low flow control precision, which cannot meet the process requirements of some extremely high flow precision. INVENTION CONTENTS

[0003] The main purpose of the utility model is to provide a variable diameter linear flow precision control device, which is linked through a fixed unit and a rotating unit, and the size of the air hole diameter is linearly adjusted by adjusting the rotation angle of each adjusting blade, so as to realize the precise control of flow, which has the advantages of stable structure, high precision and high practicability.

[0004] In order to achieve the above purpose, a variable diameter linear flow precision control device, comprising a fixed unit and a rotating unit, wherein:

[0005] The fixed unit comprises a first fixed disc and a second fixed disc, and the first fixed disc is located at the top of the second fixed disc, wherein:

[0006] The outer periphery of the first fixed disc is provided with a plurality of first fixed holes and a plurality of first arc-shaped sliding holes, and the center of the first fixed disc is provided with a first air hole and a plurality of second arc-shaped sliding holes are distributed around the first air hole;

[0007] The outer periphery of the second fixed disc is provided with a plurality of first fixed columns, the center of the second fixed disc is provided with a second air hole, and a plurality of arc-shaped sliding grooves are distributed around the second air hole, the first fixed column (from bottom to top one by one) is installed in the first fixed hole, and the second arc-shaped sliding hole is aligned with the arc-shaped sliding groove one by one;

[0008] The rotating unit comprises a shifting part, a first rotating disc, a second rotating disc and an air hole adjusting part, wherein:

[0009] The middle part of the shifting part is provided with a connecting hole (used for connecting a driving rod, so as to drive the whole shifting part to rotate) and the outer periphery of the shifting part is provided with a plurality of shifting holes;

[0010] The outer peripheral top of the first rotating disc is provided with a plurality of pushing blocks, and the outer peripheral bottom of the first rotating disc is provided with a plurality of second fixing columns, the center of the first rotating disc is provided with a third air hole, and a plurality of first strip-shaped sliding holes are distributed around the third air hole, and the pushing blocks are installed in the first arc-shaped sliding holes after penetrating the first arc-shaped sliding holes;

[0011] The second rotating disc is located at the bottom of the first rotating disc, and the outer peripheral top of the second rotating disc is provided with a plurality of second fixing holes, the second fixing columns (corresponding one by one from top to bottom) are installed in the second fixing holes (fixing the first rotating disc and the second rotating disc), the center of the second rotating disc is provided with a fourth air hole, and a plurality of second strip-shaped sliding holes are distributed around the fourth air hole;

[0012] The air hole adjusting piece is located between the first rotating disc and the second rotating disc, and the air hole adjusting piece is provided with a plurality of adjusting blades (constituting a circle), the tips of the adjusting blades constitute a flow air hole, the tail ends of the adjusting blades are provided with a first limiting block and a second limiting block, the first limiting block (upwardly) penetrates the first strip-shaped sliding hole and is installed in the second arc-shaped sliding hole, and the second limiting block (downwardly) penetrates the second strip-shaped sliding hole and is installed in the arc-shaped sliding groove (so that the first rotating disc and the second rotating disc stably drive each adjusting blade to rotate when moving, thereby adjusting the size of the flow air hole).

[0013] As a further preferred technical solution of the above technical solution, the first fixing holes and the first arc-shaped sliding holes are alternately distributed, and the second arc-shaped sliding holes are located between the first air holes and the first arc-shaped sliding holes.

[0014] As a further preferred technical solution of the above technical solution, the first strip-shaped sliding holes and the second strip-shaped sliding holes are aligned one by one.

[0015] As a further preferred technical solution of the above technical solution, the first rotating disc is located on the side of the first rotating disc away from the air hole adjusting piece, and the second rotating disc is located on the side of the second rotating disc away from the air hole adjusting piece.

[0016] As a further preferred technical solution of the above technical solution, the pushing piece is located on the side of the first rotating disc away from the first rotating disc, and a gasket is arranged between the pushing piece and the first rotating disc. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is an explosion drawing of the utility model.

[0019] Figure 3 is a sectional view of the utility model.

[0020] Figure 4 is a structure schematic view of the rotating unit (hidden from the piece) of the utility model.

[0021] The reference signs include: 310, fixed unit; 311, first fixed disc; 3111, first fixed hole; 3112, first arc-shaped sliding hole; 3113, first air hole; 3114, second arc-shaped sliding hole; 312, second fixed disc; 3121, first fixed column; 3122, second air hole; 3123, arc-shaped sliding slot; 320, rotating unit; 321, piece; 3211, connecting hole; 3212, push hole; 322, first rotating disc; 3221, push block; 3222, second fixed column; 3223, third air hole; 3224, first strip-shaped sliding hole; 323, second rotating disc; 3231, second fixed hole; 3232, fourth air hole; 3233, second strip-shaped sliding hole; 324, air hole adjusting piece; 3241, adjusting blade; 3242, flow air hole; 3243, first limiting block; 3244, second limiting block; 330, gasket. DETAILED DESCRIPTION

[0022] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art. The basic principles of the utility model defined in the following description can be applied to other implementation schemes, variant schemes, improved schemes, equivalent schemes and other technical schemes without departing from the spirit and scope of the utility model.

[0023] The utility model discloses a variable-diameter linear flow precision control device, and the following further describes the specific embodiments of the utility model in conjunction with preferred embodiments.

[0024] In the embodiments of the utility model, those skilled in the art should note that the driving rod and the like involved in the utility model can be regarded as prior art.

[0025] Preferred embodiments.

[0026] As Figures 1-4 The utility model discloses a variable-diameter linear flow precision control device, which comprises a fixed unit 310 and a rotating unit 320, wherein:

[0027] The fixed unit 310 comprises a first fixed disc 311 and a second fixed disc 312, and the first fixed disc 311 is located at the top of the second fixed disc 312, wherein:

[0028] The outer periphery of the first fixed disc 311 is provided with a plurality of first fixing holes 3111 and a plurality of first arc-shaped sliding holes 3112, the center of the first fixed disc 311 is provided with a first air hole 3113, and the periphery of the first air hole 3113 is distributed with a plurality of second arc-shaped sliding holes 3114;

[0029] The outer periphery top of the second fixed disc 312 is provided with a plurality of first fixing columns 3121, the center of the second fixed disc 312 is provided with a second air hole 3122, and the periphery of the second air hole 3122 is distributed with a plurality of arc-shaped sliding grooves 3123, the first fixing columns 3121 (corresponding from bottom to top one by one) are installed in the first fixing holes 3111, and the second arc-shaped sliding holes 3114 are aligned with the arc-shaped sliding grooves 3123 one by one;

[0030] The rotating unit 320 comprises a shifting part 321, a first rotating disc 322, a second rotating disc 323 and an air hole adjusting part 324, wherein:

[0031] The middle part of the shifting part 321 is provided with a connecting hole 3211 (for connecting a driving rod, so as to drive the whole shifting part to rotate) and the outer periphery of the shifting part 321 is provided with a plurality of shifting holes 3212;

[0032] The outer periphery top of the first rotating disc 322 is provided with a plurality of shifting blocks 3221, and the outer periphery bottom of the first rotating disc 322 is provided with a plurality of second fixing columns 3222, the center of the first rotating disc 322 is provided with a third air hole 3223, and the periphery of the third air hole 3223 is distributed with a plurality of first strip-shaped sliding holes 3224, the shifting blocks 3221 are installed in the shifting holes 3212 after penetrating through the first arc-shaped sliding holes 3112;

[0033] The second rotating disc 323 is located at the bottom of the first rotating disc 322, and the outer periphery top of the second rotating disc 323 is provided with a plurality of second fixing holes 3231, the second fixing columns 3222 (corresponding from top to bottom one by one) are installed in the second fixing holes 3231 (fixing the first rotating disc and the second rotating disc), the center of the second rotating disc 323 is provided with a fourth air hole 3232, and the periphery of the fourth air hole 3232 is distributed with a plurality of second strip-shaped sliding holes 3233;

[0034] The air vent adjusting piece 324 is located between the first rotating disc 322 and the second rotating disc 323, and is provided with a plurality of adjusting blades 3241 (constituting a circle), the tips of the adjusting blades 3241 constituting a flow air vent 3242, the tail ends of the adjusting blades 324 being provided with a first limiting block 3243 and a second limiting block 3244, the first limiting block 3243 (upwardly) penetrating through the first strip-shaped sliding hole 3224 and then being installed in the second arc-shaped sliding hole 3114, the second limiting block 3244 (downwardly) penetrating through the second strip-shaped sliding hole 3233 and then being installed in the arc-shaped sliding groove 3123 (so that the first rotating disc and the second rotating disc stably drive the rotating of each adjusting blade when moving, thereby adjusting the size of the flow air vent aperture).

[0035] Specifically, the first fixed holes 3111 and the first arc-shaped sliding holes 3112 are alternately distributed, and the second arc-shaped sliding holes 3114 are located between the first air vents 3113 and the first arc-shaped sliding holes 3112.

[0036] More specifically, the first strip-shaped sliding hole 3224 and the second strip-shaped sliding hole 3233 are in one-to-one alignment.

[0037] Further, the first fixed disc 311 is located on the side of the first rotating disc 322 away from the air vent adjusting piece 324, and the second fixed disc 312 is located on the side of the second rotating disc 323 away from the air vent adjusting piece 324.

[0038] Still further, the shifting piece 321 is located on the side of the first fixed disc 311 away from the first rotating disc 322, and a gasket 330 is arranged between the shifting piece 321 and the first fixed disc 311.

[0039] For the utility model:

[0040] When flow regulation is needed, the shifting piece is driven to rotate by the driving rod, and since the shifting block is installed in the shifting hole, the first rotating disc is driven to rotate and the second rotating disc is simultaneously driven to rotate, while the first rotating disc and the second rotating disc are rotating, the first strip-shaped sliding hole and the second strip-shaped sliding hole respectively drive the first limiting block and the second limiting block of the adjusting blade to move, thereby causing all the adjusting blades to rotate, in the rotating process, the first limiting block stably rotates in the second arc-shaped sliding hole and the second limiting block stably rotates in the arc-shaped sliding groove, improving the structural stability; the aperture size of the flow air vent constituted by the tips of each adjusting blade linearly increases or decreases along the rotating direction, thereby realizing precise regulation and control of flow.

[0041] It is worth mentioning that the driving rod and other technical features involved in the utility model patent application should be regarded as the prior art, the specific structure, working principle and possible control mode, spatial arrangement mode of these technical features can be selected by using the conventional selection in the field, and should not be regarded as the invention point of the utility model patent, and the utility model patent will not be further expanded and described in detail.

[0042] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, as long as the modification, equivalent replacement, improvement and the like are within the spirit and principle of the utility model, and should be included in the protection scope of the utility model.

Claims

1. A precision control device for linear flow rate with variable diameter, characterized in that, It includes fixed units and rotating units, wherein: The fixing unit includes a first fixing plate and a second fixing plate, wherein the first fixing plate is located on top of the second fixing plate, and: The outer periphery of the first fixed plate is provided with a plurality of first fixing holes and a plurality of first arc-shaped sliding holes, the center of the first fixed plate is provided with a first vent hole and a plurality of second arc-shaped sliding holes are distributed around the first vent hole; The second fixed plate has several first fixed posts on its outer periphery top, a second vent hole in the center of the second fixed plate and several arc-shaped sliding grooves distributed around the second vent hole, the first fixed posts are installed in the first fixed holes, and the second arc-shaped sliding holes are aligned with the arc-shaped sliding grooves one by one; The rotating unit includes a lever, a first turntable, a second turntable, and a vent adjustment component, wherein: The dialing component has a connecting hole in the middle and several dialing holes on its outer periphery; The first turntable has several paddles on its outer top and several second fixed posts on its outer bottom. The first turntable has a third vent hole in its center and several first strip-shaped sliding holes distributed around the third vent hole. The paddles pass through the first arc-shaped sliding holes and are installed in the paddle holes. The second turntable is located at the bottom of the first turntable and the top of the outer periphery of the second turntable is provided with a plurality of second fixing holes. The second fixing post is installed in the second fixing holes. The center of the second turntable is provided with a fourth vent hole and a plurality of second strip-shaped sliding holes are distributed around the fourth vent hole. The vent adjustment component is located between the first turntable and the second turntable, and the vent adjustment component is provided with a plurality of adjustment blades. The tips of the adjustment blades form a flow vent. The tail end of the adjustment blade is provided with a first limiting block and a second limiting block. The first limiting block passes through the first strip-shaped sliding hole and is installed in the second arc-shaped sliding hole. The second limiting block passes through the second strip-shaped sliding hole and is installed in the arc-shaped sliding groove.

2. The variable diameter linear flow precision control device according to claim 1, characterized in that, The first fixing hole and the first arc-shaped sliding hole are alternately distributed, and the second arc-shaped sliding hole is located between the first vent hole and the first arc-shaped sliding hole.

3. The variable diameter linear flow precision control device according to claim 2, characterized in that, The first and second strip-shaped sliding holes are aligned one-to-one.

4. The variable diameter linear flow precision control device according to claim 3, characterized in that, The first fixed plate is located on the side of the first turntable away from the vent adjustment component, and the second fixed plate is located on the side of the second turntable away from the vent adjustment component.

5. The variable diameter linear flow precision control device according to claim 4, characterized in that, The dialing element is located on the side of the first fixed plate away from the first turntable, and a gasket is provided between the dialing element and the first fixed plate.

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