CN211779030U

CN211779030U - Variable cross-section guiding device

Info

Publication number: CN211779030U
Application number: CN202020192691.0U
Authority: CN
Inventors: 张雯娟; 默罕默德阿德南
Original assignee: Sanming University
Current assignee: Sanming University
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-10-27
Anticipated expiration: 2030-02-21

Abstract

The utility model is suitable for a valve technical field provides a variable cross section guiding device, including being used for controlling the control assembly of air current size, the control assembly includes casing, first pivot and second pivot, be fixed with the bearing frame on the inside wall of casing top, first pivot runs through the bearing frame, be fixed with support piece on the lower surface of first pivot, be fixed with the outer dish on the lateral wall of support piece, the inside of outer dish is provided with the inner disc, the second pivot runs through first pivot, inner disc and outer dish; through setting up the control assembly, make operating personnel through control the first in command with the second in command, further control the outer dish and the angle of inner dish to under this device's effect, not only practiced thrift the cost, simple to operate moreover still has good fluid control characteristic.

Description

Variable cross-section guiding device

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to a variable cross section guiding device.

Background

The butterfly valve (butterfly valve for short) is an important device in a water supply and drainage pipeline system, and with the progress of industrial technology, different requirements are provided for the structure and performance of the butterfly valve. Therefore, the type, the material, the connection form and the like of the cable are reasonably selected according to working conditions during design and application. Wherein the butterfly valve may also be used to regulate and control the air flow. In the industrial field, the conditioning and control of air is a challenging problem and also a major cause of reduced efficiency.

Existing air deflectors often suffer from high costs and maintenance when using electronic and complex mechanical devices, and can be quite cumbersome during installation and when adjusting air flow rates.

SUMMERY OF THE UTILITY MODEL

The utility model provides a but variable cross section guiding device aims at solving current guiding device, not only needs high cost, and probably be quite troublesome moreover in the installation and when adjusting air flow.

The utility model discloses a realize like this, a variable cross section guiding device, including the control assembly who is used for controlling the air current size, the control assembly includes casing, first pivot and second pivot, be fixed with the bearing frame on the inside wall of casing top, the upper surface of bearing frame is fixed with the mounting, first pivot run through the mounting with the bearing frame, and with the inside wall fixed connection of bearing frame, be fixed with support piece on the lower surface of first pivot, be fixed with the outer dish on the lateral wall of support piece;

the inside of outer dish is provided with the inner disc, the second pivot runs through first pivot the inner disc with the outer dish, and with support piece rotates to be connected, the second pivot with inner disc fixed connection.

Preferably, a first handle is sleeved on the outer side wall of the first rotating shaft, and the first handle is located above the fixing piece and is fixedly connected with the first rotating shaft.

Preferably, the control assembly includes a limiting member, and the limiting member is located on a side of the first handle away from the fixing member and is fixedly connected to the first rotating shaft.

Preferably, a second handle is fixed at the top end of the second rotating shaft.

Preferably, a bearing is arranged at the joint of the support member and the second rotating shaft, the outer side wall of the bearing is fixedly connected with the support member, and the inner side wall of the bearing is fixedly connected with the second rotating shaft.

Preferably, the outer side wall of the shell is provided with a limiting hole.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the control assembly, an operator can further control the angles of the outer disc and the inner disc by controlling the first handle and the second handle, and the airflow flow rate is maximum when the outer disc is vertical to the shell and the inner disc is vertical to the outer disc;

when the outer disk is parallel to the housing and the inner disk and the outer disk are perpendicular, the airflow flow rate is medium; when the outer disc is parallel to the shell and the inner disc is parallel to the outer disc, the airflow flow rate is minimum, so that under the action of the device, the cost is saved, the installation is convenient, and the device has good fluid control characteristics.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention without the housing and the handle;

in the figure: 1-control component, 11-shell, 111-limit hole, 12-bearing seat, 13-fixing piece, 14-first rotating shaft, 141-first handle, 15-supporting piece, 16-outer disk, 17-inner disk, 18-second rotating shaft, 181-second handle and 19-limit piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, a variable cross-section flow guiding device includes a control assembly 1 for controlling the size of an air flow, the control assembly 1 includes a housing 11, a first rotating shaft 14 and a second rotating shaft 18, a bearing seat 12 is fixed on an inner side wall of a top end of the housing 11, a fixing member 13 is fixed on an upper surface of the bearing seat 12, the first rotating shaft 14 penetrates through the fixing member 13 and the bearing seat 12 and is fixedly connected with the inner side wall of the bearing seat 12, a supporting member 15 is fixed on a lower surface of the first rotating shaft 14, and an outer disc 16 is fixed on an outer side wall of the supporting member 15;

an inner disc 17 is arranged inside the outer disc 16, a second rotating shaft 18 penetrates through the first rotating shaft 14, the inner disc 17 and the outer disc 16 and is rotatably connected with the supporting piece 15, and the second rotating shaft 18 is fixedly connected with the inner disc 17.

In the embodiment, the shell 11 is arranged, so that the device can be conveniently installed on a pipeline under the action of the shell 11; by arranging the bearing seat 12, the first rotating shaft 14 is supported to rotate on the shell 11 under the action of the bearing seat 12, and meanwhile, friction generated by rotation is reduced under the action of the bearing seat 12, so that the service life is prolonged; the fixing piece 13 is arranged, so that the stability of the device is enhanced under the action of the fixing piece 13, and the fixing piece 13 and the shell 11 are connected through bolts and nuts, so that the device is convenient to disassemble and maintain; by arranging the first rotating shaft 14, the outer disc 16 is driven to rotate under the action of the first rotating shaft 14, so that the angle can be conveniently adjusted by an operator; by arranging the supporting piece 15, wherein the supporting piece 15 is in an L shape, the supporting piece 15 in the L shape is convenient to mount the outer disc 16 and the second rotating shaft 18, and on the other hand, certain materials are saved by the supporting piece 15 in the L shape, so that the weight of the device is further reduced; by arranging the outer disc 16, wherein the outer disc 16 is in threaded connection with the support piece 15, operators can conveniently replace the outer discs 16 with different diameters, so that the air flow discharging device is suitable for air flows with different pressures, and further the air flow discharging is more stable;

by arranging the inner disc 17, the control on the air flow is enhanced under the dual action of the outer disc 16 and the inner disc 17, so that the requirement of an operator on the size of the air flow is met; by providing the second rotating shaft 18, the operator can control the movement of the inner disc 17 by rotating the second rotating shaft 18.

In this embodiment, after the device is installed, the housing 11 is installed on the pipeline, then the airflow flows into the pipeline, when the operator needs the maximum airflow speed, the operator rotates the first handle 141 to drive the first rotating shaft 14 to rotate, further drives the outer disc 16 to rotate until the outer disc is perpendicular to the housing 11, then rotates the second rotating shaft 18 to rotate by rotating the second handle 181, further drives the inner disc 17 to rotate until the inner disc is perpendicular to the outer disc 16;

when the operator requires a moderate flow rate, as shown in fig. 1, the first handle 141 is turned to bring the outer disk 16 parallel to the housing 11, and then the second handle 181 is turned to bring the inner disk 17 perpendicular to the outer disk 16;

when the minimum air flow velocity is needed by an operator, the first handle 141 is rotated to enable the outer disc 16 to be parallel to the shell 11, then the second handle 181 is rotated to enable the inner disc 17 to be parallel to the outer disc 16, so that under the action of the device, the angle between the outer disc 16 and the inner disc 17 is controlled to control the air flow velocity, the requirement of the operator is met, and the device is simple in structure, small in size and convenient for the operator to install and detach.

Further, a first handle 141 is sleeved on an outer side wall of the first rotating shaft 14, and the first handle 141 is located above the fixing member 13 and is fixedly connected with the first rotating shaft 14.

In this embodiment, by providing the first handle 141, wherein a circular hole is formed inside the first handle 141, an external device can be connected to the first handle 141, thereby realizing automatic control; and the angle of the outer tray 16 can be precisely adjusted by the first handle 141.

Further, the control assembly 1 includes a limiting member 19, and the limiting member 19 is located on a side of the first handle 141 away from the fixing member 13 and is fixedly connected to the first rotating shaft 14.

In the embodiment, by providing the limiting member 19, the limiting member 19 prevents the first handle 141 from moving up and down when rotating, so that the first handle 141 can rotate more stably, and the effort of the operator can be saved.

Further, a second handle 181 is fixed to the top end of the second rotating shaft 18.

In this embodiment, by providing the second handle 181, the operator can easily rotate the second rotating shaft 18 by the second handle 181, and the angle of the inner tray 17 can be accurately controlled by the second handle 181.

Further, a bearing is arranged at the joint of the support member 15 and the second rotating shaft 18, the outer side wall of the bearing is fixedly connected with the support member 15, and the inner side wall of the bearing is fixedly connected with the second rotating shaft 18.

In the embodiment, the bearing is arranged, so that the second rotating shaft 18 is rotatably connected with the support member 15 through the bearing, and meanwhile, the friction coefficient of the second rotating shaft 18 in the movement process is reduced under the action of the bearing, so that the service life of the device is prolonged.

Furthermore, a limiting hole 111 is formed on the outer side wall of the housing 11.

In the embodiment, the limiting hole 111 is arranged, so that the device can be conveniently fixed on other devices under the action of the limiting hole 111, and certain convenience is provided for operators.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A variable cross-section flow guiding device comprising a control assembly (1) for controlling the size of an air flow, characterized in that: the control assembly (1) comprises a shell (11), a first rotating shaft (14) and a second rotating shaft (18), a bearing seat (12) is fixed on the inner side wall of the top end of the shell (11), a fixing piece (13) is fixed on the upper surface of the bearing seat (12), the first rotating shaft (14) penetrates through the fixing piece (13) and the bearing seat (12) and is fixedly connected with the inner side wall of the bearing seat (12), a supporting piece (15) is fixed on the lower surface of the first rotating shaft (14), and an outer disc (16) is fixed on the outer side wall of the supporting piece (15);

the inside of outer dish (16) is provided with inner disc (17), second pivot (18) run through first pivot (14), inner disc (17) with outer dish (16), and with support piece (15) rotate the connection, second pivot (18) with inner disc (17) fixed connection.

2. A variable cross-section flow guide device as defined in claim 1, wherein: the outer side wall of the first rotating shaft (14) is sleeved with a first handle (141), and the first handle (141) is located above the fixing piece (13) and fixedly connected with the first rotating shaft (14).

3. A variable area flow guide device according to claim 2, wherein: the control assembly (1) comprises a limiting piece (19), wherein the limiting piece (19) is positioned on one side, away from the fixing piece (13), of the first handle (141), and is fixedly connected with the first rotating shaft (14).

4. A variable area flow guide device according to claim 3, wherein: a second handle (181) is fixed at the top end of the second rotating shaft (18).

5. A variable cross-section flow guide device as defined in claim 1, wherein: the bearing is arranged at the joint of the support piece (15) and the second rotating shaft (18), the outer side wall of the bearing is fixedly connected with the support piece (15), and the inner side wall of the bearing is fixedly connected with the second rotating shaft (18).

6. A variable cross-section flow guide device as defined in claim 1, wherein: and the outer side wall of the shell (11) is provided with a limiting hole (111).