CN214943502U

CN214943502U - Lifting equipment of anechoic chamber shielding door

Info

Publication number: CN214943502U
Application number: CN202121203514.9U
Authority: CN
Inventors: 任红磊
Original assignee: Yice Technology Co ltd
Current assignee: Yice Technology Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-30
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a lifting device of a shielding door of an anechoic chamber, which comprises an anechoic chamber wall body, wherein the anechoic chamber wall body is provided with a door hole, and a driving box and a supporting plate are respectively arranged above and below the door hole; the utility model discloses a motor drive screw rotates, make the lift slab band on the screw rod shielding door lift displacement, thereby realize opening and closing of shielding door, not only labour saving and time saving, still make shielding door switching in-process more stable, high durability and convenient use, have higher practicality, carry on spacingly and the buffering to first sliding sleeve through first buffer spring, and carry out spacingly and the buffering to the second sliding sleeve through second buffer spring, thereby make the cushion table can play a cushioning effect to the shielding door lower part when the shielding door descends to close under the effect of scissors frame, avoided the shielding door to take place to warp and damage because of rigid atress easily after long-time the use, and then guaranteed its normal shielding function.

Description

Lifting equipment of anechoic chamber shielding door

Technical Field

The utility model relates to an anechoic chamber equipment technical field especially relates to an anechoic chamber shield door's jacking equipment.

Background

The anechoic chamber is a closed shielding chamber which is mainly used for simulating an open field and is used for radiating radio disturbance and measuring radiation sensitivity, the size of the anechoic chamber and the selection of radio frequency wave-absorbing materials are mainly determined by the dimension of an external line of a tested device and test requirements and are divided into a 1m method, a 3m method or a 10m method, the anechoic chamber mainly comprises a shielding chamber and wave-absorbing materials, the shielding chamber comprises a shielding shell, a shielding door, a ventilation waveguide window, various power filters and the like, the shielding shell can adopt a welding type or assembling type structure according to user requirements, and the shielding door is generally divided into a hinged type and a lifting type;

the most all single structure of current anechoic chamber shield door, generally open or close through manual drive, not only waste time and energy, and the shield door process of opening and shutting is also stable inadequately, and it is inconvenient to use, and the practicality is not high, and some anechoic chamber shield doors that have in addition had not got the shock attenuation buffering at the in-process that the decline was closed to make anechoic chamber shield door take place to warp and damage because of rigid atress easily after long-time the use, thereby influence its normal shielding function, consequently, the utility model provides an elevating gear of anechoic chamber shield door is used for solving the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

To the above problem, an object of the utility model is to provide a lifting equipment of anechoic chamber shield door, this lifting equipment of anechoic chamber shield door passes through motor drive shield door lift displacement, thereby realize opening and closing of shield door, time saving and labor saving, it is more stable still to make shield door switching in-process, carry out spacing and buffering to first sliding sleeve through first buffer spring, and carry out spacing and buffering to the second sliding sleeve through second buffer spring, thereby make the cushion stage can play a cushioning effect to the shield door lower part when the shield door descends to close under the effect of scissors frame.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme realizes: the utility model provides a lifting equipment of anechoic chamber shield door, includes the darkroom wall body, the door opening has been seted up on the darkroom wall body, the top and the below of door opening are equipped with drive case and backup pad respectively, drive case and backup pad are respectively through connecting plate and connecting rod fixed connection in the darkroom wall body, the symmetry is equipped with through the rotatory screw rod of motor drive between drive case and the backup pad, the lifter plate has been cup jointed to the screw rod upper thread, the one end that the lifter plate is close to the darkroom wall body is fixed with the shield door that matches with the door opening, shield door below is equipped with the cushion chamber, the cushion chamber below is equipped with the base, be equipped with buffering damper between cushion chamber and the base.

The further improvement lies in that: buffering damper is including locating the first slide bar of cushion table bottom and the second slide bar of locating the base top, the both sides of first slide bar and second slide bar slide respectively and overlap and be equipped with first sliding sleeve and second sliding sleeve, it has the scissors frame to articulate between first sliding sleeve and the second sliding sleeve.

The further improvement lies in that: the first sliding rod is characterized in that two ends of the first sliding rod are respectively fixed with a stop block, the first sliding sleeve is connected with the stop blocks through first buffer springs, and the first buffer springs are sleeved on the first sliding rod in a sliding mode.

The further improvement lies in that: the second sliding rod is arranged in a groove in the top end of the base, the second sliding sleeve is connected with the inner wall of the base through a second buffer spring, and the second buffer spring is sleeved on the second sliding rod in a sliding mode.

The further improvement lies in that: both ends of the shielding door are fixed with limiting sliding strips, both sides of the door hole are provided with limiting sliding rails matched with the limiting sliding strips, and the limiting sliding rails are fixed on a wall body of a darkroom.

The further improvement lies in that: the motor is located the drive case top, the output of motor runs through to the drive incasement through the bearing and is connected with the driving gear, the screw rod top runs through to the drive incasement through the bearing and is connected with driven gear, the driving gear passes through the chain and is connected with driven gear transmission.

The utility model has the advantages that: the utility model discloses a darkroom wall body, rotate through the motor drive screw rod, make the lift slab band on the screw rod shielding door lift displacement, thereby realize opening and closing of shielding door, not only labour saving and time saving, still make shielding door switching in-process more stable, high durability and convenient use, have higher practicality, carry out spacing and buffering to first sliding sleeve through first buffer spring, and carry out spacing and buffering to the second sliding sleeve through second buffer spring, thereby make the cushion block can play a cushioning effect to shielding door lower part when shielding door descends to close under the effect of shear carrier, avoided the shielding door to take place to warp and damage because of rigid atress easily after long-time the use, and then guaranteed its normal shielding function.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a side cross-sectional view of the present invention;

fig. 4 is a sectional view of the buffering table and the base of the present invention.

Wherein: 1. a darkroom wall body; 2. a door opening; 3. a drive box; 4. a support plate; 5. a connecting plate; 6. a connecting rod; 7. a motor; 8. a screw; 9. a lifting plate; 10. a shield door; 11. a buffer table; 12. a base; 13. a first slide bar; 14. a second slide bar; 15. a first sliding sleeve; 16. a second sliding sleeve; 17. a scissor rack; 18. a stopper; 19. a first buffer spring; 20. a second buffer spring; 21. a limiting slide bar; 22. a limiting slide rail; 23. a driving gear; 24. a driven gear; 25. a shielding strip; 26. a slider; 27. a limiting groove; 28. a limiting rod.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

Example one

According to the drawings of fig. 1, 2, 3 and 4, the embodiment provides a lifting device of a shielding door of an electric wave dark room, which comprises a dark room wall 1, wherein a door hole 2 is formed in the dark room wall 1, a driving box 3 and a supporting plate 4 are respectively arranged above and below the door hole 2, the driving box 3 and the supporting plate 4 are respectively and fixedly connected to the dark room wall 1 through a connecting plate 5 and a connecting rod 6, screw rods 8 which are driven to rotate through a motor 7 are symmetrically arranged between the driving box 3 and the supporting plate 4, a lifting plate 9 is sleeved on the screw rods 8 in a threaded manner, one end, close to the dark room wall 1, of each lifting plate 9 is fixedly provided with a shielding door 10 matched with the door hole 2, the motor 7 drives the screw rods 8 to rotate, the lifting plate 9 on the screw rods 8 drives the shielding door 10 to move up and down, so as to realize the opening and closing of the shielding door 10, time and labor are saved, and the opening and the shielding door 10 is more stable in the opening and closing process, convenient to use has higher practicality, shield door 10 below is equipped with cushion table 11, cushion table 11 below is equipped with base 12, be equipped with buffering damper between cushion table 11 and the base 12, be convenient for cushion shield door 10, avoid shield door 10 to take place to warp and damage because of rigid atress easily after long-time the use.

Buffering damper is including locating the first slide bar 13 of cushion block 11 bottom and locating the second slide bar 14 on base 12 top, the both sides of first slide bar 13 and second slide bar 14 slide the cover respectively and are equipped with first sliding sleeve 15 and second sliding sleeve 16, it has scissors frame 17 to articulate between first sliding sleeve 15 and the second sliding sleeve 16, the cushion block 11 lift of being convenient for.

The two ends of the first sliding rod 13 are both fixed with a stop block 18, the first sliding sleeve 15 is connected with the stop block 18 through a first buffer spring 19, the first buffer spring 19 is slidably sleeved on the first sliding rod 13, and the first sliding sleeve 15 is limited and buffered through the first buffer spring.

The second sliding rod 14 is arranged in a groove at the top end of the base 12, the second sliding sleeve 16 is connected with the inner wall of the base 12 through a second buffer spring 20, the second buffer spring 20 is slidably sleeved on the second sliding rod 14, and the second sliding sleeve 16 is limited and buffered through the second buffer spring 20.

The shielding door 10 is characterized in that limiting sliding strips 21 are fixed at two ends of the shielding door 10, limiting sliding rails 22 matched with the limiting sliding strips 21 are arranged at two sides of the door hole 2, the limiting sliding rails 22 are fixed on the wall body 1 of the darkroom, and the shielding door 10 is limited, so that the shielding door 10 is more stable in the lifting process.

Motor 7 locates the 3 tops of drive case, motor 7's output runs through to drive case 3 in through the bearing and is connected with

driving gear

23, 8 tops of screw rod run through to drive case 3 in through the bearing and be connected with driven gear 24, driving gear 23 passes through the chain and is connected with driven gear 24 transmission, rotates through motor 7 drive driving gear 23, and driving gear 23 rethread chain drives driven gear 24 and rotates to make screw rod 8 rotate.

Be equipped with shielding strip 25 between the spacing slide rail 22, shielding strip 25 is located 2 tops in the door opening, shielding strip 25 is close to the one end and the shield door laminating of shield door 10, has further guaranteed the shielding effect.

The utility model discloses a screen door 10, including darkroom wall 1, buffer table 11, limiting groove 27, the gag lever post 28 that slides and run through slider 26 is equipped with the gag lever post 28 that slides and run through slider 26 on darkroom wall 1, the buffer table 11 is close to one side symmetry of darkroom wall 1 and is fixed with slider 26, the spacing groove 27 that matches with slider 26 is seted up to the position that lies in buffer table 11 on darkroom wall 1, be equipped with in the gag lever post 27, make buffer table 11 more stable at the buffering in-process to screen door 10.

When the shielding door 10 needs to be opened, the driving gear 23 is driven to rotate by the starting motor 7 firstly, the driving gear 23 drives the driven gear 24 to rotate through the chain, the driven gear 24 drives the screw rod 8 to rotate, the lifting plate 9 on the screw rod 8 drives the shielding door 10 to ascend, and then the shielding door 10 can be opened, when the shielding door 10 needs to be closed, the driving gear 23 is driven by the starting motor 7 to drive the driven gear 24 to reversely rotate, the driven gear 24 drives the screw rod 8 to reversely rotate, the lifting plate 9 on the screw rod 8 drives the shielding door 10 to descend, and then the shielding door 10 can be closed, and meanwhile, when the shielding door 10 is closed, the buffer table 11 can play a buffering role on the lower portion of the shielding door 10 under the action of the first buffer spring 19, the second buffer spring 20 and the scissor holder 17, and damage to the shielding door 10 after long-time use is avoided.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. 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 jacking equipment of anechoic chamber shield door, includes darkroom wall body (1), its characterized in that: the improved darkroom is characterized in that a door hole (2) is formed in the darkroom wall body (1), a driving box (3) and a supporting plate (4) are arranged above and below the door hole (2) respectively, the driving box (3) and the supporting plate (4) are fixedly connected to the darkroom wall body (1) through a connecting plate (5) and a connecting rod (6) respectively, a screw (8) driven to rotate through a motor (7) is symmetrically arranged between the driving box (3) and the supporting plate (4), a lifting plate (9) is sleeved on the screw (8) in a threaded manner, one end, close to the darkroom wall body (1), of the lifting plate (9) is fixed with a shielding door (10) matched with the door hole (2), a buffering table (11) is arranged below the shielding door (10), a base (12) is arranged below the buffering table (11), and a buffering damping mechanism is arranged between the buffering table (11) and the base (12).

2. The up-down apparatus of an anechoic chamber screen door according to claim 1, wherein: buffering damper is including locating first slide bar (13) of cushion table (11) bottom and locating second slide bar (14) on base (12) top, the both sides of first slide bar (13) and second slide bar (14) slide respectively and overlap and be equipped with first sliding sleeve (15) and second sliding sleeve (16), it has scissors frame (17) to articulate between first sliding sleeve (15) and second sliding sleeve (16).

3. The up-down apparatus of the anechoic chamber screen door according to claim 2, wherein: both ends of the first sliding rod (13) are fixed with a stop block (18), the first sliding sleeve (15) is connected with the stop block (18) through a first buffer spring (19), and the first buffer spring (19) is slidably sleeved on the first sliding rod (13).

4. The up-down apparatus of the anechoic chamber screen door according to claim 2, wherein: the second sliding rod (14) is arranged in a groove at the top end of the base (12), the second sliding sleeve (16) is connected with the inner wall of the base (12) through a second buffer spring (20), and the second buffer spring (20) is slidably sleeved on the second sliding rod (14).

5. The up-down apparatus of an anechoic chamber screen door according to claim 1, wherein: both ends of the shielding door (10) are fixed with limiting sliding strips (21), both sides of the door hole (2) are provided with limiting sliding rails (22) matched with the limiting sliding strips (21), and the limiting sliding rails (22) are fixed on the darkroom wall body (1).

6. The up-down apparatus of an anechoic chamber screen door according to claim 1, wherein: drive case (3) top is located in motor (7), the output of motor (7) runs through to drive case (3) in through the bearing and is connected with driving gear (23), screw rod (8) top runs through to drive case (3) in through the bearing and is connected with driven gear (24), driving gear (23) are connected with driven gear (24) transmission through the chain.