CN216419433U

CN216419433U - Shielding room exhaust device capable of effectively overcoming dust backflow

Info

Publication number: CN216419433U
Application number: CN202123034538.9U
Authority: CN
Inventors: 刘君平; 曾祥进; 叶有电
Original assignee: Shenzhen Lingxian Machinery Industrial Equipment Co ltd
Current assignee: Shenzhen Lingxian Machinery Industrial Equipment Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-03
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a can effectively overcome shielding room exhaust apparatus of dust backward flow, including shielding room and exhaust apparatus, the inside lower surface of shielding room is equipped with the EMC revolving stage, the inside top of shielding room is equipped with movable mounting has the lifter plate, the inside movable mounting of lifter plate has exhaust apparatus, the inside both sides surface of shielding room and the below movable mounting who is located the lifter plate have the access door, the inside side surface of shielding room is equipped with the control box, the both sides surface of lifter plate is close to one end fixed mounting and has a motor, exhaust apparatus's fixed cover in surface is equipped with reinforcing frame. A shielding room exhaust apparatus that can effectively overcome dust backward flow, through the lifter plate that sets up, a motor and No. two motor between the complex mode, can carry out convenient adjustment to the interval between exhaust apparatus and the EMC revolving stage to exhaust apparatus also can adapt to the EMC revolving stage of placing at the inside different positions in shielding room.

Description

Shielding room exhaust device capable of effectively overcoming dust backflow

Technical Field

The utility model relates to an exhaust apparatus field, in particular to can effectively overcome shielding room exhaust apparatus of dust backward flow.

Background

The EMC refers to the ability of equipment or system to meet the requirements in the electromagnetic environment and not to generate intolerable electromagnetic interference to any equipment in the environment, the EMC test is also called electromagnetic compatibility, refers to the comprehensive evaluation of the interference and anti-interference ability of electronic products in the aspect of electromagnetic field, and is one of the most important indexes of product quality, the electromagnetic compatibility measurement is composed of a test field and a test instrument, the anechoic chamber is mainly used for simulating open field, the main components are mainly a shielding chamber and wave-absorbing materials, the shielding chamber is composed of a shielding shell, a shielding door, a ventilation waveguide window, various power filters and the like, the air flow in the anechoic chamber mainly depends on the top of the anechoic chamber or an air conditioning vent on the floor, therefore, when in the radiation emission, anti-interference and other tests of the engines such as gasoline generators, tools, automobile detection and the like, the samples need to be put into the anechoic chamber for testing, moreover, the sample needs to be tested in a normal working state and a harsher working state, and the testing time is long, so that the tail gas emission generated by the sample is involved;

however, the exhausting apparatus for the shielding room in the current stage has some disadvantages, for example, application No. 201821244957.0, which discloses "an exhausting apparatus for a shielding room or an anechoic chamber capable of effectively overcoming the backflow of dust", the non-metal plastic pipe film cannot be applied to the EMC turntable placed at different positions inside the shielding room, and the distance between the non-metal plastic pipe film and the EMC turntable cannot be easily adjusted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a shielding room exhaust apparatus that can effectively overcome dust backward flow can effectively solve the technical problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a can effectively overcome shielding room exhaust apparatus of dust backward flow, includes shielding room and exhaust apparatus, the inside lower surface in shielding room is equipped with the EMC revolving stage, the inside top in shielding room is equipped with movable mounting has the lifter plate, the inside movable mounting of lifter plate has exhaust apparatus, the inside both sides surface in shielding room and the below movable mounting who is located the lifter plate have the access door, the inside side surface in shielding room is equipped with the control box, the both sides surface of lifter plate is close to one end fixed mounting and has a motor, exhaust apparatus's fixed cover in surface is equipped with the reinforcement frame, the upper surface in shielding room is equipped with exhaust fan, the inside motor that is equipped with No. two in both sides in shielding room.

Preferably, the inside both sides surface of shielding room has vertically seted up the lift groove, the inside both sides surface of lift groove has vertically seted up the draw-in groove, the inside both sides surface of shielding room just is located the below in lift groove and has seted up the inner groovy.

Preferably, the upper surface and the lower surface of lifter plate are equipped with foldable protection casing, logical groove has been seted up to the inside of lifter plate, the inside both sides surface of logical groove has transversely seted up the guide way, the inside of guide way is equipped with the threaded rod No. one, the inside both sides surface that leads to the groove just is located the top and the below of guide way and has transversely seted up and inlay the groove of establishing, the both ends fixed surface of lifter plate installs the cover block, the inside screw thread that has seted up of cover block, the both sides fixed surface of cover block installs the fixture block, the one end fixed surface of threaded rod installs the gear No. one, the gear groove has been seted up to the one end inside of lifter plate, the fixture block inlays to be established in the draw-in groove.

Preferably, the surfaces of two sides of the exhaust device are fixedly provided with sleeves, threaded holes are also formed in the sleeves, the upper end face of the exhaust device is provided with a telescopic air guide hose, the exhaust device is communicated with an exhaust fan through the telescopic air guide hose, and the sleeves are sleeved on the surface of a first threaded rod.

Preferably, the fixed surface of the two sides of the reinforcing frame is provided with a sliding block, the sliding block is embedded in the embedding groove, the output end of the second motor is fixedly provided with a second threaded rod, and the second threaded rod extends in the lifting groove and penetrates through the sleeve block.

Preferably, the output fixed mounting of a motor has the pivot, the fixed cover in surface of pivot is equipped with No. two gears, the one end of pivot extends in the inside in gear groove, No. two gears and a gear engagement.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the complex mode between lifter plate, a motor and the No. two motors that set up, can carry out convenient adjustment to the interval between exhaust apparatus and the EMC revolving stage to exhaust apparatus also can adapt to the EMC revolving stage of placing in the inside different positions in shielded room.

Drawings

Fig. 1 is a schematic view of an installation structure of an exhaust device of a shielding room capable of effectively overcoming dust backflow of the present invention;

FIG. 2 is a partial split structure diagram of the shielding house exhaust device of the present invention capable of effectively overcoming the dust backflow;

FIG. 3 is an enlarged view of the exhaust device of the shielding room of the present invention at A in FIG. 2;

FIG. 4 is a partial structure view of an exhaust device of a shielding room capable of effectively overcoming the dust backflow of the present invention;

FIG. 5 is a partial cross-sectional view of the installation of the exhaust device of the shielding room of the present invention for effectively overcoming the dust backflow;

fig. 6 is a partial sectional view of a motor installation schematic diagram of a shielding room exhaust apparatus capable of effectively overcoming dust backflow of the present invention.

In the figure: 1. shielding the house; 101. a lifting groove; 102. an inner groove; 2. an EMC turntable; 3. a lifting plate; 301. a foldable shield; 302. a through groove; 303. a guide groove; 304. a first threaded rod; 305. embedding a groove; 306. sleeving blocks; 307. a first gear; 308. a gear groove; 4. an exhaust device; 401. a sleeve; 402. a telescopic air guide hose; 5. an access door; 6. a control box; 7. a first motor; 701. a rotating shaft; 702. a second gear; 8. reinforcing the frame; 9. a second motor; 901. a second threaded rod; 10. an exhaust fan.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1

As shown in figures 1-5, the shielding room exhaust device capable of effectively overcoming dust backflow comprises a shielding room 1 and an exhaust device 4, an EMC turntable 2 is arranged on the lower surface inside the shielding room 1, a lifting plate 3 is movably arranged above the inside of the shielding room 1, the exhaust device 4 is movably arranged inside the lifting plate 3, an access door 5 is movably arranged on the surfaces of two sides inside the shielding room 1 and below the lifting plate 3, a control box 6 is arranged on the surface of one side inside the shielding room 1, a first motor 7 is fixedly arranged on the surface of the lifting plate 3 close to one end, a reinforcing frame 8 is fixedly sleeved on the surface of the exhaust device 4, an exhaust fan 10 is arranged on the upper surface of the shielding room 1, a second motor 9 is arranged inside two sides of the shielding room 1, and the distance between the exhaust device 4 and the EMC turntable 2 can be conveniently adjusted by the matching mode among the lifting plate 3, the first motor 7 and the second motor 9, and the exhaust 4 can also accommodate EMC turntables 2 placed at different positions inside the shielded room 1;

lifting grooves 101 are longitudinally formed in the two side surfaces in the shielding room 1, clamping grooves are longitudinally formed in the two side surfaces in the lifting grooves 101, and inner grooves 102 are formed in the two side surfaces in the shielding room 1 and below the lifting grooves 101; folding protective covers 301 are arranged on the upper surface and the lower surface of the lifting plate 3, a through groove 302 is formed in the lifting plate 3, guide grooves 303 are transversely formed in two side surfaces in the through groove 302, a first threaded rod 304 is arranged in the guide grooves 303, embedding grooves 305 are transversely formed in two side surfaces in the through groove 302 and above and below the guide grooves 303, sleeve blocks 306 are fixedly arranged on two end surfaces of the lifting plate 3, threads are formed in the sleeve blocks 306, clamping blocks are fixedly arranged on two side surfaces of the sleeve blocks 306, a first gear 307 is fixedly arranged on one end surface of the first threaded rod 304, a gear groove 308 is formed in one end of the lifting plate 3, and the clamping blocks are embedded in the clamping grooves; the two side surfaces of the exhaust device 4 are fixedly provided with sleeves 401, threaded holes are also formed in the sleeves 401, the upper end surface of the exhaust device 4 is provided with a telescopic air guide hose 402, the exhaust device 4 is communicated with the exhaust fan 10 through the telescopic air guide hose 402, and the sleeves 401 are sleeved on the surface of the first threaded rod 304; the surface of the two sides of the reinforcing frame 8 is fixedly provided with a sliding block, the sliding block is embedded in the embedding groove 305, the output end of the second motor 9 is fixedly provided with a second threaded rod 901, and the second threaded rod 901 extends into the lifting groove 101 and penetrates through the sleeve block 306; the output end of the first motor 7 is fixedly provided with a rotating shaft 701, the surface of the rotating shaft 701 is fixedly sleeved with a second gear 702, one end of the rotating shaft 701 extends into the gear groove 308, and the second gear 702 is meshed with the first gear 307.

Example 2

It should be noted that, the utility model relates to a shielding room exhaust apparatus capable of effectively overcoming dust backflow, when in use, according to the placement position of the EMC rotary table 2, the position of the exhaust apparatus 4 can be freely and conveniently adjusted, by starting the first motor 7, the first motor 7 drives the first gear 307 to rotate through the second gear 702, so as to drive the first threaded rod 304 to rotate, so as to control the position of the exhaust apparatus 4 in the lifting plate 3, thereby matching the placement position of the EMC rotary table 2, by starting the second motor 9, the distance between the exhaust apparatus 4 and the EMC rotary table 2 can be adjusted, thereby better discharging the gas out of the shielding room 1, the exhaust fan 10 can draw the gas in the shielding room 1, the sleeve block 306 can make the lifting plate 3 more stable in the lifting process, and through the setting of the lifting plate 3, it is also more convenient when maintaining exhaust apparatus 4, through opening access door 5, can overhaul No. two motor 9.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a can effectively overcome shielding room exhaust apparatus of dust backward flow which characterized in that: including shielding room (1) and exhaust apparatus (4), the inside lower surface of shielding room (1) is equipped with EMC revolving stage (2), the inside top of shielding room (1) is equipped with movable mounting has lifter plate (3), the inside movable mounting of lifter plate (3) has exhaust apparatus (4), the below movable mounting that the inside both sides surface of shielding room (1) just is located lifter plate (3) has access door (5), the inside side surface of shielding room (1) is equipped with control box (6), the both sides surface of lifter plate (3) is close to one end fixed mounting and has motor (7), the fixed surface cover of exhaust apparatus (4) is equipped with reinforcing frame (8), the upper surface of shielding room (1) is equipped with exhaust fan (10), the inside motor (9) No. two that is equipped with in both sides of shielding room (1).

2. The shielding house exhaust device capable of effectively overcoming the dust backflow as claimed in claim 1, wherein: the shielding room is characterized in that lifting grooves (101) are longitudinally formed in the surfaces of two sides of the interior of the shielding room (1), clamping grooves are longitudinally formed in the surfaces of two sides of the interior of the lifting grooves (101), and inner grooves (102) are formed in the surfaces of two sides of the interior of the shielding room (1) and located below the lifting grooves (101).

3. The shielding house exhaust device capable of effectively overcoming the dust backflow as claimed in claim 2, wherein: the upper surface and the lower surface of the lifting plate (3) are provided with folding protective covers (301), a through groove (302) is arranged inside the lifting plate (3), guide grooves (303) are transversely arranged on the surfaces of two sides inside the through groove (302), a first threaded rod (304) is arranged inside the guide groove (303), embedding grooves (305) are transversely formed in the surfaces of the two sides of the inner part of the through groove (302) and positioned above and below the guide groove (303), the surfaces of the two ends of the lifting plate (3) are fixedly provided with sleeve blocks (306), the inner parts of the sleeve blocks (306) are provided with threads, the surfaces of the two sides of the sleeve block (306) are fixedly provided with a clamping block, the surface of one end of the first threaded rod (304) is fixedly provided with a first gear (307), a gear groove (308) is formed in one end of the lifting plate (3), and the clamping block is embedded in the clamping groove.

4. The shielding house exhaust device capable of effectively overcoming the dust backflow as claimed in claim 3, wherein: the surface of the two sides of the exhaust device (4) is fixedly provided with a sleeve (401), a threaded hole is also formed in the sleeve (401), the upper end face of the exhaust device (4) is provided with a telescopic air guide hose (402), the exhaust device (4) is communicated with an exhaust fan (10) through the telescopic air guide hose (402), and the sleeve (401) is sleeved on the surface of a first threaded rod (304).

5. The shielding house exhaust device capable of effectively overcoming the dust backflow as claimed in claim 4, wherein: the surface of the two sides of the reinforcing frame (8) is fixedly provided with a sliding block, the sliding block is embedded in the embedding groove (305), the output end of the second motor (9) is fixedly provided with a second threaded rod (901), and the second threaded rod (901) extends into the lifting groove (101) and penetrates through the sleeve block (306).

6. The shielding house exhaust device capable of effectively overcoming the dust backflow as claimed in claim 5, wherein: the output fixed mounting of a motor (7) has pivot (701), the fixed surface cover of pivot (701) is equipped with No. two gears (702), the one end of pivot (701) extends in the inside of gear groove (308), No. two gears (702) and a gear (307) meshing.