CN211121571U

CN211121571U - High-precision analytical balance for detection

Info

Publication number: CN211121571U
Application number: CN201922351955.2U
Authority: CN
Inventors: 郑印江; 郭杰; 周杨
Original assignee: Gansu Aoke Testing Co ltd
Current assignee: Gansu Aoke Testing Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-07-28
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a high-precision analytical balance for detection, which comprises an analytical balance and a dust cover, wherein the dust cover is covered on the periphery of a detection platform of the analytical balance, a micro fan is arranged on the top surface of the dust cover, and one end of the micro fan is communicated with a dust collection pipe; the utility model discloses in, lead screw through rotating the dust cover top surface, make the lead screw drive carrier board and move down, make the carrier board bear the platform that the suction hood is close to analytical balance, then open micro-fan, make the platform of the directional analytical balance of a plurality of dust absorption mouths of suction hood bottom surface carry out the dust and adsorb, thereby effectively get rid of the dust on platform surface, avoid external factors to influence the accurate condition of analytical balance, thereby increase the accuracy that analytical balance detected, and simultaneously, sliding connection has the slide in the sliding cavity of dust cover side, through the lifting slide, make the groove that runs through of dust cover side show out, thereby be favorable to measuring getting of measuring article and put.

Description

High-precision analytical balance for detection

Technical Field

The utility model relates to an analytical balance technical field especially relates to a detect and use high accuracy analytical balance.

Background

The precision of the electronic balance is divided into a relative precision division value and an absolute precision division value, and the precision of the absolute precision division value reaching 0.1mg (namely 0.0001g) is called a ten-thousandth balance. And the ten-thousandth balance is used for weighing the mass of the object. One-ten-thousandth balance generally adopts a strain sensor, a capacitance sensor and an electromagnetic balance type sensor, the strain sensor has simple structure and low cost, but has limited precision, and the high precision can not be realized at present; the capacitance type sensor has high weighing speed and high cost performance, but cannot achieve high precision; an electronic balance using an electromagnetic balance sensor. Its advantages are accurate and reliable weighing, quick and clear display, automatic detection system, simple automatic calibrating device and overload protector.

Present high accuracy analytical balance is in the use, because analytical balance's accuracy is very high, leads to analytical balance surface a little dust and debris also to influence the testing result, influences analytical balance's normal detection, and simultaneously, the testing platform periphery of present analytical balance has covered the protection casing usually, and generally sets up the window of laying that waits to detect article at the top surface of protection casing for dust and debris are very easily got into testing platform, are unfavorable for analytical platform's dustproof.

For this reason, a high-precision analytical balance for detection is proposed to solve the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-precision analytical balance for detection.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a detect and use high accuracy analytical balance, includes analytic balance and dust cover, analytical balance's testing platform periphery has covered the dust cover, and the top surface of dust cover installs miniature fan, miniature fan's one end intercommunication has the dust absorption pipe, and the dust absorption pipe runs through the dust cover intercommunication and have the suction hood, the bottom surface laminating of suction hood is connected with the carrier board, and the bottom surface of suction hood runs through the carrier board and has seted up the dust absorption mouth, the top surface threaded connection of dust cover has the lead screw, and the one end of lead screw runs through the top surface rotation of dust cover and carrier board and is connected.

As a further description of the above technical solution: the dust cover is characterized in that a through groove is formed in the surface of one side of the dust cover, a sliding cavity is formed in the inner wall, located on one side of the through groove, of the dust cover, and a sliding plate is connected in the sliding cavity in a sliding mode.

As a further description of the above technical solution: one end of a dust collection pipe of the micro fan is communicated with the dust collection cover through a spiral hose, and a control button is arranged on the surface of the dust collection cover corresponding to the micro fan.

As a further description of the above technical solution: the lead screw is totally equipped with two, and two lead screws are symmetrical about the vertical central line of carrier board, the one end of lead screw all is connected with the carrier board through the bearing frame.

As a further description of the above technical solution: the dust hood is of a hollow disc-shaped structure, a plurality of dust suction ports are uniformly formed in the bottom surface of the dust hood, and through holes are formed in the surface of the carrier plate corresponding to the dust suction ports.

As a further description of the above technical solution: the through groove link up the side of dust cover, slide and through groove sealing connection in the sliding chamber, the skin weld of slide has the support bar.

The utility model discloses following beneficial effect has:

in the utility model, adopt the dust cover, the suction hood, the dust absorption pipe, micro fan, the lead screw, the carrier board, the dust absorption mouth constitutes analytical balance's dust absorption mechanism, through rotating the lead screw of dust cover top surface, impel the lead screw to drive the carrier board and move down, make the carrier board bear the suction hood and be close to analytical balance's platform, then open micro fan, impel a plurality of dust absorption mouths of suction hood bottom surface to carry out dust absorption to analytical balance's platform, thereby effectively get rid of the dust on platform surface, avoid external factors to influence the accurate condition of analytical balance, thereby increase analytical balance's accuracy of detection, simultaneously, sliding connection has the slide in the sliding chamber of dust cover side, through lifting the slide, impel the measuring groove of the side of dust cover to appear, thereby be favorable to getting and putting of article, avoid the open mode of traditional top surface, lead to the more condition of getting into analytical balance of, thereby increasing the dust-proof effect of the dust cover.

Drawings

FIG. 1 is a schematic diagram of the internal structure of a high-precision analytical balance for testing according to the present invention;

FIG. 2 is a side view of a high-precision analytical balance for testing according to the present invention;

fig. 3 is the schematic diagram of the dust hood structure of the high-precision analytical balance for detection.

Illustration of the drawings:

1. an analytical balance; 2. a slide plate; 3. a slide chamber; 4. a dust cover; 5. a dust hood; 6. a dust collection pipe; 7. a micro fan; 8. a screw rod; 9. a carrier plate; 10. a dust suction port; 11. through the slot.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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.

According to the utility model discloses an embodiment provides a detect and use high accuracy analytical balance.

Referring to the drawings and the detailed description, as shown in fig. 1-3, a high-precision analytical balance for testing according to an embodiment of the present invention includes an analytical balance 1 and a dust cover 4, the analytical balance 1 has a dust cover 4 covered around a testing platform, a micro-fan 7 is installed on a top surface of the dust cover 4, one end of the micro-fan 7 is connected to a dust pipe 6, the dust pipe 6 is connected to a dust hood 5 through the dust cover 4, the bottom surface of the dust hood 5 is connected to a carrier plate 9, a dust suction opening 10 is formed in the bottom surface of the dust hood 5 through the carrier plate 9, a lead screw 8 is connected to a top surface of the dust cover 4 through a screw thread, the dust cover at one end of the lead screw 8 is connected to the top surface of the carrier plate 9 through the dust cover 4 in a rotatable manner, when the platform of the analytical balance 1 needs to be cleaned, the lead screw 8 is rotated to drive the carrier plate 9 to move down, the carrier plate 9 bears the dust hood 5 and is close to the platform of the analytical balance 1, then the micro fan 7 is started, and the dust suction ports 10 on the bottom surface of the dust hood 5 are enabled to point to the platform of the analytical balance 1 for dust adsorption, so that dust on the surface of the platform is effectively removed, the condition that external factors influence the accuracy of the analytical balance 1 is avoided, and the detection accuracy of the analytical balance 1 is improved;

in one embodiment, the surface of one side of the dust cover 4 is provided with a through groove 11, the inner wall of the dust cover 4 on one side of the through groove 11 is provided with a sliding cavity 3, the sliding cavity 3 is internally and slidably connected with a sliding plate 2, and the sliding plate 2 is enabled to slide along the sliding cavity 3 of the dust cover 4 by pulling the sliding plate 2, so that the through groove 11 is exposed, and the taking and placing of the object to be detected are facilitated.

In one embodiment, one end of the dust suction pipe 6 of the micro-fan 7 is communicated with the dust hood 5 through a spiral hose, a control button is arranged on the surface of the dust hood 4 corresponding to the micro-fan 7, and the height of the dust hood 5 can be conveniently adjusted through the telescopic characteristic of the spiral hose of the dust suction pipe 6.

In one embodiment, there are two lead screws 8, and the two lead screws 8 are symmetrical with respect to the vertical center line of the carrier plate 9, and one end of each lead screw 8 is connected with the carrier plate 9 through a bearing seat, and through the two lead screws 8, the stability of the carrier plate 9 in the height adjustment process can be increased, and the specific operation is to synchronously rotate the two lead screws 8.

In one embodiment, the dust hood 5 is a hollow disc-shaped structure, the bottom surface of the dust hood 5 is uniformly provided with a plurality of dust suction ports 10, the surface of the carrier plate 9 is provided with through holes corresponding to the dust suction ports 10, namely, one ends of the plurality of dust suction ports 10 penetrate through the carrier plate 9, so that dust suction of the analytical balance 1 is facilitated, and the carrier plate 9 can be used as a supporting carrier for height adjustment of the dust hood 5.

In one embodiment, run through the side that the groove 11 link up the dust cover 4, slide 2 in the sliding chamber 3 with run through groove 11 sealing connection, the skin weld of slide 2 has the support bar, both be when slide 2 is in sliding chamber 3 bottom, can shelter from the through groove 11 of dust cover 4 side, avoid the dust to get into, through the support bar on slide 2 surface, be convenient for stimulate slide 2, impel slide 2 to break away from the state of sheltering from and run through groove 11 to be favorable to waiting to detect the getting of article and put.

The working principle is as follows:

during the use, move the device to suitable position, the switch on device power, when detecting article, through pulling slide 2, make the groove 11 that runs through of dust cover 4 side show out, then will detect that article pass and run through groove 11 and lay on analytical balance 1's platform, when the platform of needs clearance analytical balance 1, through the lead screw 8 of rotating dust cover 4 top surface, make lead screw 8 drive carrier board 9 move down, make carrier board 9 bear the platform that dust cage 5 is close to analytical balance 1, then open micro-fan 7, make a plurality of dust absorption mouths 10 of dust absorption cover 5 bottom surface point to analytical balance 1's platform and carry out the dust absorption, thereby effectively get rid of the dust on platform surface, avoid external factors to influence the accurate condition of analytical balance 1, thereby increase the accuracy that analytical balance 1 detected.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A high-accuracy analytical balance for testing, comprising an analytical balance (1) and a dust cover (4), characterized in that: the peripheral cover of testing platform of analytical balance (1) has connect dust cover (4), and the top surface of dust cover (4) installs micro-fan (7), the one end intercommunication of micro-fan (7) has dust absorption pipe (6), and dust absorption pipe (6) run through dust cover (4) intercommunication and have dust absorption cover (5), the bottom surface laminating of dust absorption cover (5) is connected with carrier board (9), and the bottom surface of dust absorption cover (5) runs through carrier board (9) and has seted up dust absorption mouth (10), the top surface threaded connection of dust cover (4) has lead screw (8), and the one end of lead screw (8) runs through the top surface rotation connection of dust cover (4) and carrier board (9).

2. A high-precision analytical balance for testing according to claim 1 wherein: the dust cover is characterized in that a through groove (11) is formed in the surface of one side of the dust cover (4), a sliding cavity (3) is formed in the inner wall, located on one side of the through groove (11), of the dust cover (4), and a sliding plate (2) is connected in the sliding cavity (3) in a sliding mode.

3. A high-precision analytical balance for testing according to claim 1 wherein: one end of a dust collection pipe (6) of the micro fan (7) is communicated with the dust collection cover (5) through a spiral hose, and a control button is installed on the surface of the dust cover (4) corresponding to the micro fan (7).

4. A high-precision analytical balance for testing according to claim 1 wherein: the two screw rods (8) are arranged, the two screw rods (8) are symmetrical about a vertical center line of the carrier plate (9), and one ends of the screw rods (8) are connected with the carrier plate (9) through bearing seats.

5. A high-precision analytical balance for testing according to claim 1 wherein: the dust hood (5) is of a hollow disc-shaped structure, a plurality of dust suction ports (10) are uniformly formed in the bottom surface of the dust hood (5), and through holes are formed in the surface of the carrier plate (9) corresponding to the dust suction ports (10).

6. A high-precision analytical balance for testing according to claim 2 wherein: run through the side that dust cover (4) are link up in groove (11), slide (2) in smooth chamber (3) and run through groove (11) sealing connection, the skin weld of slide (2) has the support bar.