CN216590239U

CN216590239U - Gas flow velocity control device

Info

Publication number: CN216590239U
Application number: CN202122461945.1U
Authority: CN
Inventors: 张汉雄; 暴学云; 杨增荣
Original assignee: Yunnan Chengjiang Zhicheng Phosphorus Chemical Co ltd
Current assignee: Yunnan Chengjiang Zhicheng Phosphorus Chemical Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-24
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a gas flow rate control device, and relates to the technical field of flow rate control. The pipeline comprises a pipeline, slidable mounting has the riser in the pipeline, the threaded rod is installed to the riser internal rotation, the threaded rod pass the U template and with U template threaded connection, the U template passes riser and slidable mounting in the riser, the bottom of riser is fixed with the filter screen, be provided with the ash blocking device that is used for preventing the dust from dropping in the U template, the ash blocking device is including keeping off grey mechanism, fixed establishment and control mechanism, it includes L pole A, support and baffle to keep off grey mechanism, L pole A is from last to passing riser and U template and equal slidable mounting in riser and U template down in proper order. This gas flow rate control device can be in use when guaranteeing that the dust that mix with in the gas carries out filteration, can adjust the velocity of flow of gas, guarantees that the gas that flows in can not mix with impurity, improves the quality of inflow gas.

Description

Gas flow velocity control device

Technical Field

The utility model relates to the technical field of flow rate control, in particular to a gas flow rate control device.

Background

The flow speed control device refers to various pneumatic elements which control the pressure, flow and flow direction of airflow in a pneumatic system and ensure the normal work of a pneumatic actuating element or mechanism. The structure of the flow rate control device can be decomposed into a valve body (comprising a valve seat, a valve hole and the like) and a valve core, and according to the relative positions of the valve body and the valve core, the valve has two types of normally closed type and normally open type, and the valve can be structurally divided into: stop type, sliding column type and sliding plate type valves.

Ordinary flow rate control device can not clear up the dust that adsorbs in the pipeline when controlling the flow rate, and when long-term use, behind the dust jam filter screen, lead to the dust to take place to block up the filter screen easily and cause the control to the gas flow rate can not reach the expectation effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a gas flow rate control device, which solves the problems of the background art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a gas flow rate control device, includes the pipeline, slidable mounting has the riser in the pipeline, the threaded rod is installed to riser internal rotation, the threaded rod pass the U template and with U template threaded connection, the U template passes riser and slidable mounting in the riser, the bottom of riser is fixed with the filter screen, be provided with the ash blocking device that is used for preventing the dust and drops in the U template, the ash blocking device includes ash blocking mechanism, fixed establishment and control mechanism.

Preferably, ash blocking mechanism includes L pole A, support and baffle, L pole A passes riser block and U template and equal slidable mounting in riser block and U template from last to down in proper order, L pole A is articulated with the one end of support, the other end of support is articulated with the surface of baffle, the baffle passes U template and slidable mounting in the U template.

Preferably, fixed establishment includes triangle-shaped piece A and triangle-shaped piece B, triangle-shaped piece A and triangle-shaped piece B pass L pole A and equal slidable mounting in L pole A from last down in proper order, it has the U template to slide to peg graft between triangle-shaped piece A and the triangle-shaped piece B.

Preferably, control mechanism includes L pole B, spring, quiet module, moves module and elasticity card sword, L pole B passes L pole A and slidable mounting in L pole A, be fixed with three hornblocks A and three hornblocks B on the L pole B, L pole B is fixed with the one end of spring, the other end of spring is fixed in L pole A, L pole B runs through from a left side to the right side in proper order and moves module and quiet module, move module slidable mounting on L pole B, L pole B is fixed with quiet module, it has the elasticity card sword to slide to peg graft between quiet module and the movable module, elasticity card sword slidable mounting is on L pole A.

Preferably, the ash blocking devices are provided with two groups and are respectively arranged at the left side and the right side of the filter screen.

Preferably, a groove is formed in the pipeline.

(III) advantageous effects

The utility model provides a gas flow velocity control device. The method has the following beneficial effects:

(1) this gas flow rate controlling means can be in use when guaranteeing that the dust that mix with in the gas filters, can adjust the velocity of flow of gas, guarantees that the gas that flows in can not mix with impurity, improves the quality of inflow gas.

(2) The dust blocking device arranged in the gas flow rate control device can clean the filter screen quickly after the filter screen is used for a long time, and meanwhile, the dust can not fall into a pipeline due to vibration when the filter screen is taken out, so that the quality of gas flowing in is improved.

Drawings

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

FIG. 2 is a schematic view of the structure of part A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of portion B of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the structure of part C of FIG. 1 according to the present invention.

In the figure: 1. a pipeline; 2. a vertical block; 3. a threaded rod; 4. a U-shaped plate; 5. a filter screen; 6. a dust blocking device; 61. an L-bar A; 62. a support; 63. a baffle plate; 64. a triangular block A; 65. a triangular block B; 66. an L-bar B; 67. a spring; 68. a static module; 69. a movable module; 610. an elastic clamping knife.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a gas flow velocity control device comprises a pipeline 1, wherein a vertical block 2 is arranged in the pipeline 1 in a sliding way, a groove is arranged in the pipeline 1, a U-shaped plate 4 is inserted in the groove arranged in the pipeline 1 in a sliding way, in order to prevent dust from flowing into the pipeline 1 along with the gas, therefore, the pipeline 1 is internally provided with a groove, a small part of dust can be in the groove, the pipeline is more convenient to clean, the vertical block 2 is internally and rotatably provided with a threaded rod 3, the threaded rod 3 penetrates through the U-shaped plate 4 and is in threaded connection with the U-shaped plate 4, through the rotation of threaded rod 3, reciprocate through control U template 4, control gaseous velocity of flow, U template 4 passes riser 2 and slidable mounting in riser 2, and the bottom of riser 2 is fixed with filter screen 5, is provided with the ash blocking device 6 that is used for preventing the dust and drops in the U template 4, and ash blocking device 6 includes ash blocking mechanism, fixed establishment and control mechanism, and ash blocking device 6 is provided with two sets ofly and sets up respectively in the left and right sides of filter screen 5.

Ash blocking mechanism includes L pole A61, support 62 and baffle 63, L pole A61 is from last to passing riser block 2 and U template 4 and equal slidable mounting in riser block 2 and U template 4 down in proper order, L pole A61 is articulated with the one end of support 62, the other end of support 62 is articulated with the surface of baffle 63, baffle 63 passes U template 4 and slidable mounting in U template 4, when the dust on the filter screen 5 needs to be cleared up, through promoting L pole A61 downwards, make L pole A61 drive baffle 63 through support 62 and stretch out in the U template 4, prevent that riser block 2 from taking place the shake when dismantling, fall into the dust in pipeline 1.

Fixing mechanism includes triangle-shaped piece A64 and triangle-shaped piece B65, triangle-shaped piece A64 and triangle-shaped piece B65 pass L pole A61 and equal slidable mounting in L pole A61 from last down in proper order, it has U template 4 to slide to peg graft between triangle-shaped piece A64 and the triangle-shaped piece B65, it is fixed with U template 4 to pass through triangle-shaped piece A64 and triangle-shaped piece B65 as L pole A61, make the in-process of U template 4 regulation gas flow velocity, L pole A61 can not drive baffle 63 and stretch out, prevent that baffle 63 from when U template 4 regulation gas flow velocity, scrape the dust on the filter screen 5 and rub into in the pipeline 1.

The control mechanism comprises an L rod B66, a spring 67, a static module 68, a movable module 69 and an elastic clamping knife 610, the L rod B66 penetrates through the L rod A61 and is slidably mounted in the L rod A61, a triangular block A64 and a triangular block B65 are fixed on the L rod B66, the L rod B66 is fixed with one end of the spring 67, the other end of the spring 67 is fixed in the L rod A61, the L rod B66 sequentially penetrates through the movable module 69 and the static module 68 from left to right, the movable module 69 is slidably mounted on the L rod B66, the L rod B66 is fixed with the static module 68, the elastic clamping knife 610 is slidably inserted between the static module 68 and the movable module 69, and the elastic clamping knife 610 is slidably mounted on the L rod A61, the L-shaped rod B66 can be limited by the mutual matching of the elastic clamping knife 610, the static module 68 and the movable module 69, when the L-shaped rod B66 can not move, the triangle blocks A64 and B65 can not move, and the phenomenon that the triangle blocks A64 and B65 are loosened in the adjusting process is prevented.

When the air flow rate in the pipeline 1 needs to be controlled during operation (or use), the air flow rate is controlled by controlling the U-shaped plate 4 to move up and down through the rotation of the threaded rod 3, and at the moment, the L rod A61 moves up and down along with the U-shaped plate 4 through the triangular block A64 and the triangular block B65.

When the filter screen 5 needs to be cleaned, the threaded rod 3 is rotated to enable the U-shaped plate 4 to move downwards, the movement is limited by the groove formed in the pipeline 1, the L rod B66 is pushed rightwards, the movable module 69 on the L rod B66 can extrude the elastic clamping knife 610, the elastic clamping knife 610 separates from the upper end and the lower end and separates from the space between the static module 68 and the movable module 69, at the moment, the elastic clamping knife 610 passes through the elasticity of the elastic clamping knife 610, the movable module 69 is on the left side of the movable module 69, after the L rod B66 is released, the L rod B66 pops up and down through the spring 67, when the elastic clamping knife 610 does not recover through the elasticity of the elastic clamping knife 610, the movable module 69 and the static module 68 can be on the left side of the elastic clamping knife 610, meanwhile, the L rod B66 can drive the triangular block A64 and the triangular block B65 to retract into the L rod A61, the L rod A61 can move up and down, the L rod A61 can press down, the L rod A61 can drive the triangular block 63 to extend out of the U-shaped plate 4 through the bracket 62, and the vertical block 2 is prevented from shaking when being disassembled, the dust is dropped into the duct 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gas flow rate control device comprising a duct (1), characterized in that: sliding mounting has riser block (2) in pipeline (1), threaded rod (3) are installed to riser block (2) internal rotation, threaded rod (3) pass U template (4) and with U template (4) threaded connection, U template (4) pass riser block (2) and slidable mounting in riser block (2), the bottom of riser block (2) is fixed with filter screen (5), be provided with in U template (4) and be used for preventing dust ash blocking device (6) that drop, ash blocking device (6) are including ash blocking mechanism, fixed establishment and control mechanism.

2. A gas flow rate control device according to claim 1, wherein: the ash blocking mechanism comprises an L rod A (61), a support (62) and a baffle (63), the L rod A (61) sequentially penetrates through a vertical block (2) and a U-shaped plate (4) from top to bottom and is arranged in the vertical block (2) and the U-shaped plate (4) in a sliding mode, the L rod A (61) is hinged to one end of the support (62), the other end of the support (62) is hinged to the surface of the baffle (63), and the baffle (63) penetrates through the U-shaped plate (4) and is arranged in the U-shaped plate (4) in a sliding mode.

3. A gas flow rate control device according to claim 1, wherein: fixing mechanism includes triangle-shaped piece A (64) and triangle-shaped piece B (65), triangle-shaped piece A (64) and triangle-shaped piece B (65) are from last to passing L pole A (61) and all slidable mounting in L pole A (61) down in proper order, it has U template (4) to slide to peg graft between triangle-shaped piece A (64) and triangle-shaped piece B (65).

4. A gas flow rate control device according to claim 1, wherein: the control mechanism comprises an L-shaped rod B (66), a spring (67), a static module (68), a movable module (69) and an elastic clamping knife (610), the L rod B (66) passes through the L rod A (61) and is slidably arranged in the L rod A (61), a triangular block A (64) and a triangular block B (65) are fixed on the L-shaped rod B (66), the L rod B (66) is fixed with one end of a spring (67), the other end of the spring (67) is fixed in the L rod A (61), the L-shaped rod B (66) sequentially penetrates through the movable module (69) and the static module (68) from left to right, the movable module (69) is slidably mounted on the L-shaped rod B (66), the L-shaped rod B (66) is fixed with the static module (68), an elastic clamping knife (610) is inserted between the static module (68) and the movable module (69) in a sliding mode, and the elastic clamping knife (610) is installed on the L rod A (61) in a sliding mode.

5. A gas flow rate control device according to claim 1, wherein: the ash blocking devices (6) are arranged in two groups and are respectively arranged on the left side and the right side of the filter screen (5).

6. A gas flow rate control device according to claim 1, wherein: a groove is formed in the pipeline (1).