CN212872668U

CN212872668U - EMC test room

Info

Publication number: CN212872668U
Application number: CN201921933672.2U
Authority: CN
Inventors: 吴鸿亮; 周秋云
Original assignee: Jiaxing Kexun Electron Co ltd
Current assignee: Jiaxing Kexun Electron Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2021-04-02
Anticipated expiration: 2029-11-11

Abstract

The utility model relates to the technical field of test equipment, and discloses an EMC test room, which comprises an EMC test room, wherein a clapboard is fixedly connected in the EMC test room, a bearing is embedded in the center of the clapboard, an inner ring of the bearing is fixedly connected with a rotating shaft, two ends of the rotating shaft penetrate through the bearing and extend outwards, a turntable is fixedly connected at the upper end of the rotating shaft, and a locking mechanism is fixedly connected at the lower end of the rotating shaft; the locking mechanism comprises a gear ring, a gear, a locking pipe, two limiting grooves and two limiting blocks, the locking pipe is sleeved on a rotating shaft located below the partition plate, the two limiting grooves are symmetrically arranged on a shaft wall of the rotating shaft located below the partition plate along the vertical direction, the two limiting blocks are respectively connected in the two limiting grooves in a sliding mode, and one ends, far away from the bottoms of the limiting grooves, of the two limiting blocks are fixedly connected to the inner pipe wall of the locking pipe. The utility model discloses prevent that the accident from leading to the lock to stop the pipe and take place to rotate to avoid the carousel to rotate, lead to the unable normal clear of test.

Description

EMC test room

Technical Field

The utility model relates to a test equipment technical field especially relates to an EMC test room.

Background

EMC test is also called electromagnetic compatibility, refers to the comprehensive evaluation of the interference and the anti-interference capability of electronic products in the aspect of electromagnetic fields, is one of the most important indexes of product quality, and aims to detect the influence of electromagnetic radiation generated by electric products on human bodies, public power grids and other electric products which normally work. The object to be tested is placed on the rotary table for testing, the rotary table is mostly driven by electrical elements at present, the failure rate is high, and the cost is high.

When the EMC testing equipment is used, the grab handle is shaken to drive the rotating rod to rotate and further drive the worm to rotate, so that the worm wheel is driven to rotate, the rotating shaft is driven to rotate, the rotating disc is driven to rotate, and an object to be tested on the rotating disc is driven to rotate; the scheme still has the following technical defects:

this technical scheme adopts the rotation grab handle mode to drive the carousel and rotates, and in the test process, if touch the grab handle carelessly and will lead to the carousel to rotate, influence normal test.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and adopting the rotation grab handle mode to drive the carousel rotation among the prior art, in the test process, if touch the grab handle carelessly and will lead to the carousel to rotate, influence the problem of normal test, and the EMC test room that provides.

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

an EMC test room comprises an EMC test room body, wherein a partition is fixedly connected in the EMC test room body, a bearing is embedded in the center of the partition, a rotating shaft is fixedly connected to the inner ring of the bearing, two ends of the rotating shaft penetrate through the bearing and extend outwards, a rotating disc is fixedly connected to the upper end of the rotating shaft, and a locking mechanism is fixedly connected to the lower end of the rotating shaft;

the locking mechanism comprises a gear ring, a gear, a locking pipe, two limiting grooves and two limiting blocks, the locking pipe is sleeved on a rotating shaft located below the partition plate, the two limiting grooves are symmetrically arranged on a shaft wall of the rotating shaft located below the partition plate along the vertical direction, the two limiting blocks are respectively connected in the two limiting grooves in a sliding mode, one ends, far away from the bottoms of the limiting grooves, of the two limiting blocks are fixedly connected to the inner pipe wall of the locking pipe together, the gear ring is fixedly connected to the center of the lower end in the EMC test chamber, the gear is fixedly sleeved on the outer pipe wall, close to the lower end, of the locking pipe, and the gear ring is meshed with the gear.

Preferably, the limiting groove is fixedly connected with a limiting rod along the vertical direction, a limiting hole is formed in the limiting block, the limiting rod penetrates through the limiting hole, and the limiting block is connected to the limiting rod in a sliding mode.

Preferably, the upper end fixedly connected with spring of stopper, the other end fixed connection of spring is at the cell wall that the spacing groove is close to the top, just the spring housing is established on the gag lever post.

Preferably, the pore wall of spacing hole is the even equidistance of annular a plurality of roll groove has been seted up, the roll inslot is equipped with rolling ball, the notch setting that the roll groove was passed to the one end that the roll groove tank bottom was kept away from to the ball, just ball roll connection is on the pole wall of gag lever post.

Preferably, the outer pipe wall of the locking pipe is symmetrically and fixedly connected with handles.

Preferably, the ball has a ball diameter larger than a groove diameter of the rolling groove opening.

Compared with the prior art, the utility model provides a EMC test room possesses following beneficial effect:

1. this EMC test room, through setting up the ring gear, the lock tube, a locking mechanism is constituteed to spacing groove and stop block, place the determinand on the carousel, hold and upwards pull out the lock tube, the lock tube drives the gear and extracts from the ring gear, drive the stopper simultaneously and be synchronous vertical motion in the spacing groove, rotate the lock tube to appointed angle as required, it does corresponding rotation in the bearing to drive the axis of rotation through the stopper after the lock tube atress, and then drive determinand to appointed angle on the carousel, loosen the lock tube again, under the effect of gravity, the lock tube drives gear card and goes into the ring gear, fix the lock tube, prevent that the accident from leading to the lock tube to take place to rotate, thereby avoid the carousel to rotate, lead to the unable normal clear of test.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses prevent that the accident from leading to the lock to stop the pipe and take place to rotate to avoid the carousel to rotate, lead to the unable normal clear of test.

Drawings

Fig. 1 is a schematic structural diagram of an EMC test room provided by the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1EMC test chamber, 2 baffles, 3 bearings, 4 axis of rotation, 5 carousels, 6 locking mechanism, 61 ring gear, 62 gears, 63 locking pipe, 64 spacing grooves, 65 spacing block, 7 gag lever posts, 8 rolling grooves, 9 balls, 10 handholds, 11 springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an EMC test room includes an EMC test room 1, a partition 2 is fixedly connected in the EMC test room 1, a bearing 3 is embedded in the center of the partition 2, an inner ring of the bearing 3 is fixedly connected with a rotating shaft 4, two ends of the rotating shaft 4 penetrate through the bearing 3 and extend outwards, a turntable 5 is fixedly connected to the upper end of the rotating shaft 4, and a locking mechanism 6 is fixedly connected to the lower end of the rotating shaft 4;

the locking mechanism 6 comprises a gear ring 61, a gear 62, a locking pipe 63, two limiting grooves 64 and two limiting blocks 65, the locking pipe 63 is sleeved on the rotating shaft 4 positioned below the partition plate 2, the two limiting grooves 64 are symmetrically arranged on the shaft wall of the rotating shaft 4 positioned below the partition plate 2 along the vertical direction, the two limiting blocks 65 are respectively connected in the two limiting grooves 64 in a sliding manner, one ends of the two limiting blocks 65 far away from the bottom of the limiting grooves 64 are jointly and fixedly connected on the inner pipe wall of the locking pipe 63, the gear ring 61 is fixedly connected at the center of the lower end in the EMC testing chamber 1, the gear 62 is fixedly sleeved on the outer pipe wall of the locking pipe 63 close to the lower end, the gear ring 61 is meshed with the gear 62, an object to be tested is placed on the turntable 5 and held to pull the locking pipe 63 upwards, the locking pipe 63 drives the gear 62 to be pulled out from the gear ring 61, and simultaneously drives the limiting blocks 65 to do, rotate lock and stop pipe 63 to appointed angle as required, lock and stop pipe 63 atress back and drive axis of rotation 4 through stopper 65 and do corresponding rotation in the bearing 3, and then drive the determinand on the carousel 5 to appointed angle, loosen lock and stop pipe 63 again, under the effect of gravity, lock and stop pipe 63 drives gear 62 card and goes into ring gear 61, stop pipe 63 to the lock and fix, prevent that the accident from leading to lock and stop pipe 63 to take place to rotate, thereby avoid carousel 5 to rotate, lead to the unable normal clear of test.

Limiting rod 7 is fixedly connected with along vertical direction in the spacing groove 64, has seted up spacing hole on the stopper 65, and limiting rod 7 passes spacing hole setting, and stopper 65 sliding connection is on limiting rod 7, and along with the motion of lock stopping pipe 63, lock stopping pipe 63 drives stopper 65 and is synchronous motion on limiting rod 7 for stopper 65 motion is more stable.

The upper end fixedly connected with spring 11 of stopper 65, the other end fixed connection of spring 11 is at the cell wall that spacing groove 64 is close to the top, and spring 11 cover is established on gag lever post 7, and stopper 65 compression spring 11 when upward movement, when loosening the locking pipe 63, compressed spring 11 promotes stopper 65 and returns to the original place automatically.

The pore wall of spacing hole is the even equidistance of annular and has seted up a plurality of roll groove 8, is equipped with rolling ball 9 in the roll groove 8, and the one end that roll groove 8 tank bottoms was kept away from to ball 9 passes the notch setting of roll groove 8, and ball 9 roll connection is on the pole wall of gag lever post 7 for take place stable relative motion between gag lever post 7 and the spacing hole.

The outer wall of the locking tube 63 is symmetrically and fixedly connected with a handle 10, and the handle 10 is convenient for applying force to the locking tube 63.

The ball 9 has a larger ball diameter than the groove diameter of the notch of the rolling groove 8, preventing the ball 9 from slipping out of the rolling groove 8.

The utility model discloses in, place the determinand on carousel 5, hold and upwards pull the lock and stop pipe 63, the lock stops pipe 63 and drives gear 62 and extracts from ring gear 61, it does synchronous vertical motion to drive stopper 65 in spacing groove 64 simultaneously, rotate lock stop pipe 63 to appointed angle as required, it does corresponding rotation to drive axis of rotation 4 in the bearing 3 through stopper 65 after the lock stops pipe 63 atress, and then drive determinand to appointed angle on the carousel 5, loosen lock stop pipe 63 again, under the effect of gravity, lock stop pipe 63 drives gear 62 card and goes into ring gear 61, it fixes lock stop pipe 63, prevent that the accident from leading to lock stop pipe 63 to take place to rotate, thereby avoid carousel 5 to rotate, lead to the unable normal clear of test.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An EMC test room comprises an EMC test room (1), and is characterized in that a partition plate (2) is fixedly connected in the EMC test room (1), a bearing (3) is embedded in the center of the partition plate (2), a rotating shaft (4) is fixedly connected to the inner ring of the bearing (3), two ends of the rotating shaft (4) penetrate through the bearing (3) and extend outwards, a rotating disc (5) is fixedly connected to the upper end of the rotating shaft (4), and a locking mechanism (6) is fixedly connected to the lower end of the rotating shaft (4);

the locking mechanism (6) comprises a gear ring (61), a gear (62), a locking pipe (63), two limiting grooves (64) and two limiting blocks (65), the locking pipe (63) is sleeved on the rotating shaft (4) positioned below the partition plate (2), the two limiting grooves (64) are symmetrically arranged on the shaft wall of the rotating shaft (4) positioned below the partition plate (2) along the vertical direction, the two limiting blocks (65) are respectively connected in the two limiting grooves (64) in a sliding manner, one ends of the two limiting blocks (65) far away from the bottom of the limiting groove (64) are fixedly connected to the inner pipe wall of the locking pipe (63) together, the gear ring (61) is fixedly connected at the center of the lower end in the EMC test chamber (1), the gear (62) is fixedly sleeved on the outer pipe wall of the locking pipe (63) close to the lower end, and the gear ring (61) is meshed with the gear (62).

2. The EMC test room of claim 1, wherein a limiting rod (7) is fixedly connected in the limiting groove (64) along a vertical direction, a limiting hole is formed in the limiting block (65), the limiting rod (7) is disposed through the limiting hole, and the limiting block (65) is slidably connected to the limiting rod (7).

3. The EMC test room of claim 1, wherein a spring (11) is fixedly connected to an upper end of the limiting block (65), the other end of the spring (11) is fixedly connected to a groove wall of the limiting groove (64) near the top, and the spring (11) is sleeved on the limiting rod (7).

4. The EMC test room of claim 2, wherein the hole wall of the limiting hole is provided with a plurality of rolling grooves (8) in a circular shape, uniformly and equidistantly, rolling balls (9) are arranged in the rolling grooves (8), one end of each rolling ball (9) far away from the bottom of each rolling groove (8) is arranged through a notch of each rolling groove (8), and the rolling balls (9) are connected to the rod wall of the limiting rod (7) in a rolling manner.

5. The EMC test room of claim 1, wherein the outer wall of the latching tube (63) is symmetrically and fixedly connected with grips (10).

6. EMC test room according to claim 4, characterized in that the ball diameter of the balls (9) is larger than the groove diameter of the groove opening of the rolling groove (8).