CN117374653B

CN117374653B - Multi-bus equipment data acquisition device

Info

Publication number: CN117374653B
Application number: CN202311649325.8A
Authority: CN
Inventors: 刘伟; 高永忠; 赵玉钧; 陈红梅; 周驰; 徐成峰; 吴问天; 黄胡瑞; 于堂军; 陈景洋
Original assignee: Jiangsu Qianlima Technology Co ltd
Current assignee: Jiangsu Qianlima Technology Co ltd
Priority date: 2023-12-05
Filing date: 2023-12-05
Publication date: 2024-03-29
Anticipated expiration: 2043-12-05
Also published as: CN117374653A

Abstract

The invention discloses a multi-bus equipment data acquisition device, and relates to the technical field of data acquisition devices. Comprises a device body, a limiting device and an anti-disengaging device; the surface of the device body is fixedly provided with a heat dissipation port, the surface of the heat dissipation port is fixedly provided with a filter plate, and the surface of the device body is fixedly provided with a wiring port; the limiting device comprises an elastic expansion plate, the elastic expansion plate is fixedly arranged on the surface of the device body, the free end of the elastic expansion plate penetrates through the limiting plate in a sliding mode, a connecting frame is fixedly arranged on the surface of the elastic expansion plate, a moving plate is slidably arranged in the connecting frame, the moving plate is slidably connected with the surface of the limiting plate, the top of the connecting frame is slidably sleeved with an L-shaped plate, and damage is avoided when an external connector is subjected to powerful rapid pulling.

Description

Multi-bus equipment data acquisition device

Technical Field

The invention relates to the technical field of data acquisition devices, in particular to a multi-bus equipment data acquisition device.

Background

A data acquisition device is a device or system for collecting, storing, and transmitting data. These devices are widely used in a variety of fields including scientific research, industrial production, environmental monitoring, healthcare, and the like.

Patent publication number CN218163141U relates to a multi-bus device data acquisition device, including data acquisition ware, connection port, pilot lamp and antenna, be provided with on the data acquisition ware back wall connection port, be provided with on the data acquisition ware another lateral wall the pilot lamp, data acquisition ware back wall one side is provided with the power key, data acquisition ware back wall opposite side is provided with the antenna, antenna one side is provided with the heat dissipation chamber, the dust screen is installed to the heat dissipation intracavity. The beneficial effects are that: this patent is through setting up screw rod and fixture block, and in the device use, when connecting the transmission line, rotates the screw rod and makes it promote the fixture block removal this moment, and then fixes the transmission line, and then avoids inserting the transmission line with other transmission lines together with taking down when pulling out, guarantees the practicality of device to data continuity collection and device.

In the above-mentioned patent, through setting up screw rod and fixture block, in the device use, when connecting the transmission line, rotate the screw rod and make it promote the fixture block removal this moment, and then fix the transmission line, and then avoid taking other transmission lines off together with taking when pulling out the plug transmission line, guarantee the practicality of device to data continuity collection and device, but at the in-process of actual use, need be connected through transmission line and device body, thereby the transmission line breaks away from the device body easily and leads to data transmission to receive the influence, and excessively restrict the transmission line and can make link and wire produce the damage when the transmission line receives the powerful pulling.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a multi-bus equipment data acquisition device, which solves the problems in the background art.

In order to achieve the above purpose, the invention is realized by the following technical scheme: a multi-bus equipment data acquisition device comprises a device body, a limiting device and an anti-disengaging device; the surface of the device body is fixedly provided with a heat dissipation port, the surface of the heat dissipation port is fixedly provided with a filter plate, and the surface of the device body is fixedly provided with a wiring port; the limiting device comprises an elastic expansion plate, the elastic expansion plate is fixedly arranged on the surface of the device body, the free end of the elastic expansion plate penetrates through the limiting plate in a sliding mode, a connecting frame is fixedly arranged on the surface of the elastic expansion plate, a moving plate is arranged on the inner sliding mode of the connecting frame, the moving plate is connected with the surface of the limiting plate in a sliding mode, an L-shaped plate is sleeved on the top of the connecting frame in a sliding mode, hollow rubber is fixedly arranged on the top of the inner wall of the connecting frame, non-Newtonian fluid is fixedly arranged in the inner wall of the hollow rubber, the L-shaped plate moves upwards to be in contact with the inclined surface of the inclined block and push the inclined block to move, the clamping block is pushed to move towards the inside of the groove when the inclined block moves, the clamping block enters the inside of the groove to limit the pushing block, the surface of the connecting frame is slidably arranged on the pushing block, the surface of the pushing block is provided with the groove, and the connecting block is fixedly arranged on the top of the connecting frame, and the limiting plate is prevented from being damaged from being separated from the external connection port when the external connection port is pulled rapidly.

According to the technical scheme, one side of the tilting block, which is close to the L-shaped plate, is provided with the inclined plane, the L-shaped plate can push the tilting block to move when moving on the inclined plane, a reset spring is arranged between the pushing block and the connecting frame, a first spring is arranged between the limiting plate and the elastic expansion plate, and the pushing block can be driven to move towards the direction of the transverse plate through the reset spring.

According to the technical scheme, the anti-disengaging device comprises a connecting block, connecting block fixed mounting is in the bottom of device body, the swing plate is installed in the surface rotation of connecting block, be provided with a shell fragment between swing plate and the connecting block, the surface fixed mounting of connecting block has the fixed plate, can play the effect of buffering to the device body through swing plate and a shell fragment, can play the effect of protection to the device body.

According to the technical scheme, the bottom slidable mounting of device body has the crooked board, the fixed surface of swinging plate installs the protruding board, the fixed surface of crooked board installs the connecting rod, the top fixed mounting of connecting rod has the extrusion piece, the bottom fixed mounting of elastic expansion board has the link, the surface rotation of link installs turns over the board, the surface slidable mounting of limiting plate has the movable block, the movable block is articulated with the one end of transfer line, the other end of transfer line is articulated with turning over the board, can promote when the extrusion piece removes to turn over the board and rotate, can stimulate transfer line, movable block and limiting plate to remove to the direction of wiring mouth when turning over the board and prevent that external joint from loosening from the inside of wiring mouth when placing the device body, lead to external joint and wiring mouth bad contact.

According to the technical scheme, the second spring is arranged between the bending plate and the device body, the torsion spring is arranged between the turning plate and the connecting frame, and the second spring can drive the bending plate to reset.

According to the technical scheme, the dustproof device comprises a cross rod, the cross rod is fixedly arranged on the surface of the bending plate, the arc-shaped block is fixedly arranged on the surface of the bending plate, the T-shaped rod is slidably arranged between the inner wall and the outer wall of the radiating opening, the third spring is arranged between the T-shaped rod and the radiating opening, friction is generated between the T-shaped rod and the radiating opening when the T-shaped rod moves, vibration is generated between the T-shaped rod and the radiating opening when the T-shaped rod rubs against the radiating opening, and the effect that the vibration can be separated from the filter plate through the foreign matters is generated through the filter plate.

According to the technical scheme, the fixed surface of T shape pole installs the sealing frame, sealing frame's inner wall slidable mounting has the closing plate, the fixed surface of closing plate installs the linkage board, the bottom of sealing frame rotates and installs the jet-propelled board, the top of jet-propelled board articulates there is the intake pipe, the fixed surface of sealing frame installs the intake plate, can extrude the inside gas of sealing frame and follow jet-propelled board blowout through the intake pipe when the closing plate removes, and jet-propelled board spun gas can be towards the filter, prevents that the foreign matter from blocking up the filter and influencing the radiating effect of thermovent.

According to the technical scheme, the inside of intake pipe and air inlet plate all is provided with the check valve, the air jet plate passes through the elastic plate and is fixed with the closing plate, T shape pole passes through the atress pole and is fixed with the limiting plate, be provided with No. four springs between closing plate and the sealing frame, the direction through the air jet plate produces the effect that changes can pass through blowing the dirt, the inside check valve of intake pipe makes the intake pipe only can be to the inside air inlet of sealing frame, the inside gas of the inside check valve sealing frame of air inlet plate can only get into the inside of air jet plate.

The invention provides a data acquisition device of multi-bus equipment. The beneficial effects are as follows:

(1) This multi-bus equipment data acquisition device can restrict external connection on the wiring mouth through elasticity flexible and limiting plate, prevent that external connection from breaking away from the wiring mouth, when the wire on external connection receives quick high-force to drag, make external connection can promote limiting plate and elasticity flexible plate's free end and remove, limiting plate can drive the movable plate and remove, non-Newtonian fluid can solidify and promote L shaped plate upward movement when the inside non-Newtonian fluid of movable plate quick extrusion hollow rubber, can promote tilting block and screens piece removal when L shaped plate upward movement and remove the spacing to the impeller, the impeller moves down and can promote diaphragm and limiting plate and remove, limiting plate can remove the spacing to external connection, external connection can not break away from the wiring mouth and produce the damage when avoiding external connection to receive powerful quick pulling.

(2) This multi-bus equipment data acquisition device can play the effect of buffering to device body bottom through the swinging plate, can the convex board when the swinging plate rotates can promote crooked board and connecting rod and remove, and the extrusion piece can promote when the connecting rod removes turns over the board and rotate, can pull drive plate, movable block and limiting plate and remove when turning over the board and rotate, can extrude external joint inseparable laminating in the inside of wiring mouth when limiting plate removes, prevents to loosen from the inside of wiring mouth when placing the device body external joint, leads to external joint and wiring mouth poor contact.

(3) This multi-bus equipment data acquisition device can drive the horizontal pole and remove when crooked board removes, and the arc piece on the horizontal pole can promote T shape pole and remove, can drive the sealing frame when T shape pole removes for the linkage board can extrude the closing plate and remove, can extrude the inside gas of sealing frame and spout from jet-propelled board through the intake pipe when the closing plate removes, and jet-propelled board spun gas can blow off the foreign matter of filter surface adhesion, prevents that the filter from blockking up the radiating effect of effect that influences the thermovent.

Drawings

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

FIG. 2 is a schematic view of a structure of an elastic expansion plate according to the present invention;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the internal structure of the connecting frame of the present invention;

FIG. 5 is a schematic view of the position structure of the connecting block and the device body according to the present invention;

FIG. 6 is an enlarged schematic view of the portion B of FIG. 5 according to the present invention;

FIG. 7 is a schematic view of the bending plate and connecting rod position structure of the present invention;

FIG. 8 is a schematic diagram of the internal structure of the heat dissipation port according to the present invention;

fig. 9 is an enlarged schematic view of the part C of fig. 8 according to the present invention.

In the figure: 1. a device body; 2. a heat radiation port; 21. a filter plate; 3. a wiring port; 41. an elastic expansion plate; 42. a limiting plate; 43. a connection frame; 44. a moving plate; 45. an L-shaped plate; 46. a hollow rubber; 47. a pushing block; 48. a clamping block; 49. a tilting block; 410. a cross plate; 51. a connecting block; 52. a swinging plate; 53. a fixing plate; 54. bending the plate; 55. a convex plate; 56. a connecting rod; 57. extruding a block; 58. a connecting frame; 59. turning plate; 510. a moving block; 511. a transmission rod; 61. a cross bar; 62. an arc-shaped block; 63. a T-bar; 64. a sealing frame; 65. a sealing plate; 66. a linkage plate; 67. an air inlet plate; 68. an air jet plate; 69. an air inlet pipe; 610. an elastic plate; 611. and a stress rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, one embodiment of the present invention is: the data acquisition device of the multi-bus equipment comprises a device body 1, a limiting device and an anti-disengaging device; wherein, the surface of the device body 1 is fixedly provided with a heat radiation port 2, the surface of the heat radiation port 2 is fixedly provided with a filter plate 21, and the surface of the device body 1 is fixedly provided with a wiring port 3; the limiting device comprises an elastic expansion plate 41, the elastic expansion plate 41 is fixedly arranged on the surface of the device body 1, the free end of the elastic expansion plate 41 slides to penetrate through a limiting plate 42, a connecting frame 43 is fixedly arranged on the surface of the elastic expansion plate 41, a moving plate 44 is slidably arranged in the connecting frame 43, the moving plate 44 is slidably connected with the surface of the limiting plate 42, an L-shaped plate 45 is slidably sleeved on the top of the connecting frame 43, hollow rubber 46 is fixedly arranged on the top of the inner wall of the connecting frame 43, non-Newtonian fluid is fixedly arranged in the hollow rubber 46, the non-Newtonian fluid in the hollow rubber 46 is extruded when the moving plate 44 moves, the non-Newtonian fluid is solidified when being rapidly extruded by the moving plate 44, the moving plate 44 can push the non-Newtonian fluid to move integrally, the L-shaped plate 45 moves upwards, the L-shaped plate 45 contacts with the inclined surface of the inclined block 49 and pushes the inclined block 49 to move, the clamping block 48 moves inwards in a groove, the clamping block 48 enters the groove, the limiting block 47 can be relieved, the limiting block 47 is pushed by the sliding block 48, the sliding block 47 is pushed by the surface of the connecting frame 43, and the clamping block 47 is prevented from being damaged when the surface of the connecting frame is rapidly arranged on the surface of the connecting frame 43, and the connecting frame is prevented from being damaged by the surface of the connecting frame 43, and the connecting joint is prevented from being damaged by the external connection with the sliding joint 3.

One side of the inclined block 49, which is close to the L-shaped plate 45, is provided with an inclined surface, the L-shaped plate 45 pushes the inclined block 49 to move when moving on the inclined surface, a return spring is arranged between the pushing block 47 and the connecting frame 43, a first spring is arranged between the limiting plate 42 and the elastic expansion plate 41, and the pushing block 47 is driven to move towards the direction of the transverse plate 410 through the return spring.

The anti-disengaging device comprises a connecting block 51, the connecting block 51 is fixedly arranged at the bottom of the device body 1, a swinging plate 52 is rotatably arranged on the surface of the connecting block 51, a first elastic sheet is arranged between the swinging plate 52 and the connecting block 51, a fixing plate 53 is fixedly arranged on the surface of the connecting block 51, the device body 1 can be buffered through the swinging plate 52 and the first elastic sheet, and the device body 1 can be protected.

The bottom slidable mounting of device body 1 has crooked board 54, the fixed surface mounting of swinging plate 52 has protruding board 55, the fixed surface mounting of crooked board 54 has connecting rod 56, the fixed mounting in top of connecting rod 56 has extrusion piece 57, the fixed mounting in bottom of elastic expansion board 41 has link 58, the surface rotation of link 58 installs turns over plate 59, the surface slidable mounting of limiting plate 42 has movable block 510, movable block 510 is articulated with one end of transfer line 511, the other end and the turning over plate 59 of transfer line 511 are articulated, protruding board 55 can promote crooked board 54 and remove, connecting rod 56 can be driven when moving to crooked board 54, can drive extrusion piece 57 and remove when connecting rod 56 moves, can promote turning over plate 59 and rotate when extruding piece 57 removes, can pull transfer line 511, movable block 510 and limiting plate 42 to the direction of wiring mouth 3 when turning over plate 59 rotates, prevent that external connection from loosening from the inside of wiring mouth 3 when placing device body 1, lead to external connection and wiring mouth 3 poor contact.

A second spring is arranged between the bending plate 54 and the device body 1, and a torsion spring is arranged between the turning plate 59 and the connecting frame 58, and the second spring drives the bending plate 54 to reset.

When the external connector is inserted into the wiring port 3, the external connector drives the limiting plate 42 to move, the limiting plate 42 is driven to reset through the spring, the limiting plate 42 limits the external connector in the wiring port 3, the external connector can drive the limiting plate 42 and the free end of the elastic expansion plate 41 to move when being pulled by a rapid force, the limiting plate 42 can drive the moving plate 44 to move when being moved, the non-Newtonian fluid in the hollow rubber 46 can be extruded when the moving plate 44 moves, the non-Newtonian fluid can be solidified when being rapidly extruded by the moving plate 44, the moving plate 44 can drive the non-Newtonian fluid to move integrally, the non-Newtonian fluid can drive the L-shaped plate 45 to move upwards, the L-shaped plate 45 can be in contact with the inclined plane of the inclined block 49 and drive the inclined block 49 to move, the clamping block 48 can be pushed to move towards the inside of the groove when the inclined block 49 moves, the clamping block 48 enters the inside of the groove 47 can release the limit of the pushing block 47, the pushing block can push the transverse plate 410 to move towards the direction of the transverse plate 410 under the action of the reset spring, and the limiting plate 47 can release the limiting plate 47 from the limiting plate 42 to move, and the external connector can release the limiting plate 42 from the external connection port 3;

when placing subaerial with device body 1, can play the effect of buffering to device body 1 through swinging plate 52 and shell fragment, can promote the swinging plate 52 arc through the gravity of device body 1 and rotate, can drive protruding shaped plate 55 when swinging plate 52 rotates and remove, can promote curved plate 54 when removing, can drive connecting rod 56 when curved plate 54 removes, can drive extrusion piece 57 when connecting rod 56 removes, can promote when extrusion piece 57 removes and rotate turning plate 59, can pull transfer line 511, movable block 510 and limiting plate 42 when turning plate 59 rotates and remove to the direction of wiring mouth 3, make limiting plate 42 can promote the inseparable laminating of external joint in the inside of wiring mouth 3.

Referring to fig. 1-9, in another embodiment of the present invention, the dustproof device further includes a cross bar 61, the cross bar 61 is fixedly installed on the surface of the curved plate 54, an arc block 62 is fixedly installed on the surface of the curved plate 54, a T-shaped rod 63 is slidably installed between the inner wall and the outer wall of the heat dissipation port 2, a third spring is disposed between the T-shaped rod 63 and the heat dissipation port 2, when the cross bar 61 and the arc block 62 push the T-shaped rod 63 to move, friction is generated between the T-shaped rod 63 and the heat dissipation port 2 when the T-shaped rod 63 moves, vibration is generated between the heat dissipation port 2 and the filter plate 21 when the T-shaped rod 63 rubs with the heat dissipation port 2, and the vibration can be released from the filter plate 21 through the filter plate 21.

The fixed surface of T shape pole 63 installs sealed frame 64, sealed frame 64's inner wall slidable mounting has closing plate 65, the fixed surface of closing plate 65 installs linkage board 66, sealed frame 64's bottom is rotated and is installed jet-propelled board 68, jet-propelled board 68's top articulates there is intake pipe 69, sealed frame 64's fixed surface installs intake plate 67, sealed frame 64 upwards moves and can drive closing plate 65 and linkage board 66 and remove, the thermovent 2 can promote linkage board 66 and closing plate 65 and remove when making sealed frame 64 upwards remove through opposite effort, can extrude the inside gas of sealed frame 64 and jet-propelled board 68 blowout through intake pipe 69 when closing plate 65 removes, jet-propelled gas can be towards filter 21, prevent that the filter 21 from blockking up the effect that influences thermovent 2 heat dissipation with the foreign matter.

The inside of intake pipe 69 and air inlet plate 67 all is provided with the check valve, air inlet pipe 69 passes through elastic plate 610 and closing plate 65 is fixed, T shape pole 63 passes through atress pole 611 and limiting plate 42 is fixed, be provided with No. four springs between closing plate 65 and the sealing frame 64, can drive elastic plate 610 and remove when closing plate 65 removes, can pull air inlet plate 68's direction when elastic plate 610 removes and change, can pass through the effect of blowing dirt through air inlet plate 68's direction change, the inside check valve of intake pipe 69 makes intake pipe 69 can only be to the inside air inlet of sealing frame 64, the inside gas of the inside check valve sealing frame 64 of air inlet plate 67 can only get into the inside of air inlet plate 68.

When the embodiment works, the bending plate 54 moves to drive the cross rod 61 to move, the cross rod 61 moves to drive the arc-shaped block 62 to move, the cross rod 61 and the arc-shaped block 62 move to push the T-shaped rod 63 to move, the T-shaped rod 63 moves to drive the sealing frame 64 to move upwards, the sealing frame 64 moves to drive the sealing plate 65 and the linkage plate 66 to move, the heat dissipation port 2 pushes the linkage plate 66 and the sealing plate 65 to move when the sealing frame 64 moves upwards through opposite acting force, air in the sealing plate 65 can be extruded to be sprayed from the air injection plate 68 through the air inlet pipe 69, the air sprayed from the air injection plate 68 can face the filter plate 21, the sealing plate 65 moves to drive the elastic plate 610 to move, the direction of the air injection plate 68 can be pulled to change when the elastic plate 610 moves, and the T-shaped rod 63 can be driven to move through the stress rod 611 when the limiting plate 42 moves.

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

Claims

1. The utility model provides a multi-bus equipment data acquisition device, includes device body (1), its characterized in that: the device also comprises a limiting device, an anti-disengaging device and a dustproof device;

the device comprises a device body (1), wherein a heat dissipation port (2) is fixedly arranged on the surface of the device body (1), a filter plate (21) is fixedly arranged on the surface of the heat dissipation port (2), and a wiring port (3) is fixedly arranged on the surface of the device body (1);

the limiting device comprises an elastic expansion plate (41), wherein the elastic expansion plate (41) is fixedly arranged on the surface of a device body (1), the free end of the elastic expansion plate (41) penetrates through a limiting plate (42) in a sliding mode, a connecting frame (43) is fixedly arranged on the surface of the elastic expansion plate (41), a moving plate (44) is slidably arranged in the connecting frame (43), the moving plate (44) is slidably connected with the surface of the limiting plate (42), an L-shaped plate (45) is slidably sleeved on the top of the connecting frame (43), a hollow rubber (46) is fixedly arranged on the top of the inner wall of the connecting frame (43), a non-Newtonian fluid is fixedly arranged in the interior of the hollow rubber (46), a pushing block (47) is slidably arranged on the surface of the connecting frame (43), a groove is formed in the surface of the pushing block (47), a clamping block (48) is slidably arranged in the interior of the groove, an inclined block (49) is slidably arranged on the top of the connecting frame (43), a surface of the limiting plate (42) is fixedly provided with a cross plate (410), and the non-Newtonian fluid moves upwards in the whole, and the cross plate (45) moves upwards; one side of the inclined block (49) close to the L-shaped plate (45) is provided with an inclined plane, a reset spring is arranged between the pushing block (47) and the connecting frame (43), and a number one spring is arranged between the limiting plate (42) and the elastic expansion plate (41); the anti-disengaging device comprises a connecting block (51), the connecting block (51) is fixedly arranged at the bottom of the device body (1), a swinging plate (52) is rotatably arranged on the surface of the connecting block (51), a first elastic sheet is arranged between the swinging plate (52) and the connecting block (51), and a fixing plate (53) is fixedly arranged on the surface of the connecting block (51).

2. A multi-bus device data acquisition apparatus as claimed in claim 1, wherein: the device is characterized in that a bending plate (54) is slidably mounted at the bottom of the device body (1), a convex plate (55) is fixedly mounted on the surface of the swinging plate (52), a connecting rod (56) is fixedly mounted on the surface of the bending plate (54), a squeezing block (57) is fixedly mounted on the top of the connecting rod (56), a connecting frame (58) is fixedly mounted at the bottom of the elastic expansion plate (41), a turning plate (59) is mounted on the surface of the connecting frame (58) in a rotating manner, a moving block (510) is mounted on the surface of the limiting plate (42) in a sliding manner, the moving block (510) is hinged to one end of a transmission rod (511), and the other end of the transmission rod (511) is hinged to the turning plate (59).

3. A multi-bus device data acquisition apparatus as claimed in claim 2, wherein: a second spring is arranged between the bending plate (54) and the device body (1), and a torsion spring is arranged between the turning plate (59) and the connecting frame (58).

4. A multi-bus device data acquisition apparatus according to claim 3, wherein: the dustproof device comprises a cross rod (61), the cross rod (61) is fixedly arranged on the surface of a bending plate (54), an arc-shaped block (62) is fixedly arranged on the surface of the cross rod (61), a T-shaped rod (63) is slidably arranged between the inner wall and the outer wall of the heat radiation opening (2), and a third spring is arranged between the T-shaped rod (63) and the heat radiation opening (2).

5. The multi-bus device data acquisition apparatus of claim 4 wherein: the sealing device is characterized in that a sealing frame (64) is fixedly arranged on the surface of the T-shaped rod (63), a sealing plate (65) is slidably arranged on the inner wall of the sealing frame (64), a linkage plate (66) is fixedly arranged on the surface of the sealing plate (65), an air injection plate (68) is rotatably arranged at the bottom of the sealing frame (64), an air inlet pipe (69) is hinged to the top of the air injection plate (68), and an air inlet plate (67) is fixedly arranged on the surface of the sealing frame (64).

6. The multi-bus device data acquisition apparatus of claim 5, wherein: the inside of intake pipe (69) and air inlet plate (67) all is provided with the check valve, jet-propelled board (68) are fixed with closing plate (65) through elastic plate (610), T shape pole (63) are fixed with limiting plate (42) through atress pole (611), be provided with No. four springs between closing plate (65) and sealing frame (64).