CN212513289U

CN212513289U - Anti-vibration interference negative pressure weighing chamber

Info

Publication number: CN212513289U
Application number: CN202021427079.3U
Authority: CN
Inventors: 冯丽莉; 张晶; 韩文峰; 葛学峰; 张小景; 王媛媛
Original assignee: Changchun Haobang Health Technology Co ltd
Current assignee: Changchun Haobang Health Technology Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-02-09
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a room is weighed to anti-vibration interference's negative pressure, including weighing the room, it is provided with two supporting box to weigh the room both ends symmetry about, it is provided with two backup pads, two to weigh the room both ends symmetry about being located two supporting box the inside of supporting box all is provided with a guide arm, two the upper end of guide arm all is provided with a buffer, the front end of weighing the room sets up the symmetry and is provided with two air outlets. The utility model discloses a shock-proof negative pressure weighing chamber that disturbs, through set up the backup pad at weighing chamber both ends, set up connecting block, connecting rod and set up the guide arm at the backup pad lower extreme, set up buffer spring, slider on the guide arm, can reduce the vibrations of weighing chamber; through setting up buffer, can restrict buffer spring's amplitude again when can reducing the vibrations of weighing the room, finally improve the ability that the weighing room anti-vibration disturbed.

Description

Anti-vibration interference negative pressure weighing chamber

Technical Field

The utility model relates to an air purification equipment field, in particular to anti-vibration interference's negative pressure weighing room.

Background

The negative pressure weighing room is a special local purifying device used in the places of pharmacy, microbiological research, scientific experiment and the like, and provides a vertical one-way airflow, part of the clean air circulates in a working area, and part of the clean air is discharged to a nearby area, so that the working area generates negative pressure, dust and reagents are weighed and subpackaged in the device, the dust and the reagents can be controlled to overflow and rise, the suction harm of the dust and the reagents to human bodies can be prevented, the cross pollution of the dust and the reagents can be avoided, and the external environment and the safety of indoor personnel can be protected; the existing negative pressure weighing chamber is not provided with a corresponding damping device, so that the negative pressure weighing chamber is easily subjected to vibration interference and finally the use of the negative pressure weighing chamber is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a room is weighed to anti-vibration interference's negative pressure, can effectively solve the 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 room is weighed to anti-vibration negative pressure that disturbs, includes and weighs the room, it is provided with two supporting boxes to weigh the room both ends symmetry about, weigh the room about both ends be located two supporting boxes symmetry and be provided with two backup pads, two the inside of supporting box all is provided with a guide arm, two the upper end of guide arm all is provided with a buffer.

Preferably, the front end of the weighing chamber is symmetrically provided with two air outlets, the inner wall of the weighing chamber is provided with a sensor, the inner wall of the weighing chamber is provided with a touch screen below the sensor, and the inner wall of the weighing chamber is symmetrically provided with two air return ports below the touch screen.

Preferably, two the inner of supporting box has all been seted up one and has been accomodate the chamber, through setting up supporting box, can provide the support for weighing the room.

Preferably, two the backup pad sets up respectively and accomodates the intracavity at two, the inner of backup pad is provided with the connecting plate, the backup pad passes through the connecting plate to be connected in the outer end of weighing the room, the lower extreme symmetry of backup pad is provided with two connecting blocks, the turn trough has been seted up to the lower extreme of connecting block, the inside of turn trough is provided with the axle No. one, epaxial connecting rod that is connected with No. one, two shaft holes have been seted up to the symmetry on the connecting rod, the connecting rod links to each other with the axle No. one through the shaft hole that its upside was seted up, through set up the backup pad at weighing room both ends and set up connecting block, connecting rod at the backup.

Preferably, two the guide arm sets up respectively and accomodates the intracavity at two, the symmetry is provided with two buffer spring on the guide arm, two equal symmetry installs two sliders on the guide arm, set up the mounting hole in the slider, the slider passes through the mounting hole to be installed in buffer spring's inner, No. two turn-troughs have been seted up to the upper end of slider, No. two inside of turn-trough is provided with No. two axles, the shaft hole that the connecting rod was seted up through its downside links to each other with No. two axles, through setting up the guide arm and set up buffer spring, slider on the guide arm, can reduce the vibrations of weighing the room.

Preferably, two buffer sets up respectively between the slider that sets up on two guide arms, buffer contains oil pipe, set up the oil pocket in the oil pipe, be provided with the closing plate in the oil pocket, two overflow holes have been seted up to the symmetry on the closing plate, the upper end of closing plate is provided with the vaulting pole, the upper end and the backup pad of vaulting pole link to each other, through setting up buffer, can reduce the vibration of weighing the room and can restrict buffer spring's amplitude again.

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

the vibration of the weighing chamber can be reduced by arranging the supporting plates at the two ends of the weighing chamber, arranging the connecting blocks and the connecting rods at the lower ends of the supporting plates, arranging the guide rods, and arranging the buffer springs and the sliding blocks on the guide rods; through setting up buffer, can reduce again can restrict buffer spring's amplitude when weighing the vibrations of room to finally improve the ability of weighing the room anti-vibration interference.

Drawings

FIG. 1 is a schematic view of the overall structure of a vibration-interference-proof negative pressure weighing chamber of the present invention;

FIG. 2 is a schematic structural view of a support box of the vibration-proof negative pressure weighing chamber of the present invention;

FIG. 3 is a schematic view of the internal structure of the supporting box of the vibration-proof negative pressure weighing chamber of the present invention;

fig. 4 is an enlarged cross-sectional view of the buffering device of the negative pressure weighing chamber of the utility model, which is capable of preventing vibration interference.

In the figure: 1. a weighing chamber; 2. a support box; 3. a support plate; 4. a guide bar; 5. a buffer device; 6. an air outlet; 7. a sensor; 8. a touch screen; 9. an air return opening; 10. a receiving cavity; 11. a connecting plate; 12. connecting blocks; 13. a first rotary groove; 14. a first shaft; 15. a connecting rod; 16. a shaft hole; 17. a buffer spring; 18. a slider; 19. mounting holes; 20. turning a groove II; 21. a second shaft; 22. an oil pipe; 23. an oil chamber; 24. a sealing plate; 25. an overflow aperture; 26. a stay bar.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a vibration interference resistant negative pressure weighing room comprises a weighing room 1, wherein two support boxes 2 are symmetrically arranged at the left end and the right end of the weighing room 1, two support plates 3 are symmetrically arranged at the left end and the right end of the weighing room 1 in the two support boxes 2, a guide rod 4 is arranged inside each of the two support boxes 2, and a buffer device 5 is arranged at the upper end of each of the two guide rods 4;

the front end of the weighing chamber 1 is symmetrically provided with two air outlets 6, the inner wall of the weighing chamber 1 is provided with a sensor 7, the inner wall of the weighing chamber 1 is provided with a touch screen 8 below the sensor 7, and the inner wall of the weighing chamber 1 is symmetrically provided with two air return ports 9 below the touch screen 8; the inner ends of the two supporting boxes 2 are respectively provided with a containing cavity 10; the two support plates 3 are respectively arranged in the two containing cavities 10, the inner ends of the support plates 3 are provided with connecting plates 11, the support plates 3 are connected to the outer end of the weighing chamber 1 through the connecting plates 11, the lower ends of the support plates 3 are symmetrically provided with two connecting blocks 12, the lower ends of the connecting blocks 12 are provided with a first rotary groove 13, a first shaft 14 is arranged inside the first rotary groove 13, the first shaft 14 is connected with a connecting rod 15, the connecting rod 15 is symmetrically provided with two shaft holes 16, and the connecting rod 15 is connected with the first shaft 14 through the shaft hole 16 formed in the upper side of the connecting rod 15; the two guide rods 4 are respectively arranged in the two containing cavities 10, two buffer springs 17 are symmetrically arranged on the guide rods 4, two sliding blocks 18 are symmetrically arranged on the two guide rods 4, mounting holes 19 are formed in the sliding blocks 18, the sliding blocks 18 are mounted at the inner ends of the buffer springs 17 through the mounting holes 19, a second rotary groove 20 is formed in the upper end of each sliding block 18, a second shaft 21 is arranged inside each second rotary groove 20, and the connecting rod 15 is connected with the second shaft 21 through a shaft hole 16 formed in the lower side of the connecting rod; the two buffer devices 5 are respectively arranged between the sliding blocks 18 arranged on the two guide rods 4, each buffer device 5 comprises an oil pipe 22, an oil cavity 23 is formed in each oil pipe 22, a sealing plate 24 is arranged in each oil cavity 23, two overflow holes 25 are symmetrically formed in each sealing plate 24, a support rod 26 is arranged at the upper end of each sealing plate 24, and the upper end of each support rod 26 is connected with the corresponding support plate 3.

It should be noted that, the utility model relates to a vibration interference prevention negative pressure weighing chamber, when the weighing chamber 1 vibrates in the using process, the weighing chamber 1 will drive the support plate 3 to move in the support box 2, and the support plate 3 will drive the connecting rod 15 to move, when the connecting rod 15 moves, the slide block 18 will be driven to move along the guide rod 4, at this time, the slide block 18 will drive the buffer spring 17 to contract or expand, the buffer spring 17 deforms to reduce the vibration generated by the weighing chamber 1, and at this time, the support rod 26 on the buffer device 5 will move with the support plate 3, so as to drive the seal plate 24 to move in the oil chamber 23, because the oil chamber 23 is filled with hydraulic oil, when the seal plate 24 moves, the hydraulic oil in the oil chamber 23 will be extruded to pass through the overflow hole 25, in this process, the amplitude of the buffer spring 17 will be reduced, finally, the vibration of the weighing chamber 1 will also be reduced, the capability of anti-vibration interference is improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. 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 vibration-proof negative pressure weighing room that disturbs which characterized in that: including weighing room (1), weigh room (1) about both ends symmetry and be provided with two supporting box (2), weigh room (1) about both ends be located two supporting box (2) interior symmetry and be provided with two backup pad (3), two the inside of supporting box (2) all is provided with one guide arm (4), two the upper end of guide arm (4) all is provided with one buffer (5).

2. The vibration-interference-proof negative-pressure weighing chamber of claim 1, wherein: the front end of the weighing chamber (1) is symmetrically provided with two air outlets (6), the inner wall of the weighing chamber (1) is provided with a sensor (7), the inner wall of the weighing chamber (1) is provided with a touch screen (8) below the sensor (7), and the inner wall of the weighing chamber (1) is symmetrically provided with two air return ports (9) below the touch screen (8).

3. The vibration-interference-proof negative-pressure weighing chamber of claim 1, wherein: the inner ends of the two supporting boxes (2) are provided with a containing cavity (10).

4. The vibration-interference-proof negative-pressure weighing chamber of claim 1, wherein: two backup pad (3) set up respectively in two accomodate chamber (10), the inner of backup pad (3) is provided with connecting plate (11), backup pad (3) are connected in the outer end of weighing room (1) through connecting plate (11), the lower extreme symmetry of backup pad (3) is provided with two connecting blocks (12), a rotary groove (13) has been seted up to the lower extreme of connecting block (12), the inside of a rotary groove (13) is provided with axle (14) No. one, be connected with connecting rod (15) on axle (14), two shaft holes (16) have been seted up to the symmetry on connecting rod (15), shaft hole (16) that connecting rod (15) were seted up through its upside link to each other with axle (14).

5. The vibration-proof and interference-proof negative-pressure weighing chamber of claim 4, wherein: two guide arm (4) set up respectively in two accomodate chamber (10), the symmetry is provided with two buffer spring (17) on guide arm (4), two equal symmetry is installed two slider (18) on guide arm (4), mounting hole (19) have been seted up in slider (18), the inner at buffer spring (17) is installed through mounting hole (19) in slider (18), No. two turn-ways (20) have been seted up to the upper end of slider (18), the inside of No. two turn-ways (20) is provided with No. two axle (21), shaft hole (16) that connecting rod (15) were seted up through its downside links to each other with No. two axle (21).

6. The vibration-interference-proof negative-pressure weighing chamber of claim 1, wherein: two buffer (5) set up respectively between slider (18) that set up on two guide arms (4), buffer (5) contain oil pipe (22), oil pocket (23) have been seted up in oil pipe (22), be provided with closing plate (24) in oil pocket (23), two overflow holes (25) have been seted up to the symmetry on closing plate (24), the upper end of closing plate (24) is provided with vaulting pole (26), the upper end and backup pad (3) of vaulting pole (26) link to each other.