CN212988564U

CN212988564U - Dustproof analytical balance

Info

Publication number: CN212988564U
Application number: CN202022243685.6U
Authority: CN
Inventors: 僧蕊子; 范胤; 任宝
Original assignee: Anhui Guochuang Testing Technology Co ltd
Current assignee: Anhui Guochuang Testing Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-04-16
Anticipated expiration: 2030-10-10

Abstract

The utility model relates to the field of auxiliary equipment of measurement technology, in particular to a dustproof analytical balance, which comprises a box body, wherein an analytical balance device is arranged above the inner part of the box body, the analytical balance device comprises a first base, a first supporting plate is arranged above the box body, a second supporting rod is arranged above the first base, the top end of the first supporting plate is hinged with a first connecting rod, one end of the first connecting rod is hinged with a second connecting rod, and the top end of the second supporting rod is provided with a balancing rod; a bearing frame is arranged between one end of the second connecting rod, which is far away from the first connecting rod, and the end part of the balancing rod, and a bearing table is arranged above the bearing frame; and a convenient door sealing device is arranged above the box body. The utility model discloses a convenient door sealing device plays dirt-proof effect, realizes basic function through the analytical balance device that a plurality of connecting rods are constituteed, the core component of analytical balance device is the connecting rod to there is not easy absorption gathering part, and dustproof effect is splendid.

Description

Dustproof analytical balance

Technical Field

The utility model relates to a measure the technical auxiliary assembly field, specifically be a dustproof analytical balance.

Background

Balance, a weighing apparatus. The balance beam is supported by a fulcrum (shaft) at the center of the beam to form two arms, each arm is hung with a disc, one disc is used for placing an object with known mass, the other disc is used for placing an object to be measured, and the mass of the object to be measured can be indicated by the deflection of a pointer fixed on the beam when the pointer does not swing and points to the center scale; the balance is an equal-arm lever, is a weighing instrument and is an instrument for measuring the mass of an object; the existing balances are extremely fine and correspondingly have high requirements on core parts, all indexes of the parts have requirements, in addition, the parts are damaged due to the entering of dust, the precision is further influenced, and the probability of entering the dust is in direct proportion to the using times; therefore, it is significant to design a coarse dust control analytical balance that functions as a pre-measure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dustproof analytical balance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a dustproof analytical balance comprises a box body, wherein an analytical balance device is arranged above the inside of the box body, the analytical balance device comprises a first base, a first supporting plate is arranged above the box body, a second supporting rod is arranged above the first base, a first connecting rod is hinged to the top end of the first supporting plate, a second connecting rod is hinged to one end, away from the first supporting plate, of the first connecting rod, a balancing rod is arranged at the top end of the second supporting rod, and the middle of the balancing rod is rotatably connected to the second supporting rod; a bearing frame is arranged between one end of the second connecting rod, which is far away from the first connecting rod, and the end part of the balancing rod, and a bearing table is arranged above the bearing frame; and a convenient door sealing device is arranged above the box body.

As a further aspect of the present invention: the first base is detachably connected above the box body bottom plate through screws, the number of the first supporting plates is two, and the first supporting plates are fixedly connected with the box body bottom plate; the second supporting rod is fixedly connected with the first base.

As a further aspect of the present invention: a first limiting plate and a second limiting plate are arranged at two ends of the object bearing frame, the first limiting plate is hinged with the end part of the balancing rod, and the second limiting plate is hinged with the second connecting rod; and a third connecting rod is arranged between the balance rod and the first connecting rod, the third connecting rod is hinged with the balance rod, and the third connecting rod is hinged with the first connecting rod.

As a further aspect of the present invention: a second sliding groove is formed above the object bearing frame, the section of the second sliding groove is trapezoidal, a second sliding table is arranged below the object bearing table, and the second sliding table is connected with the second sliding groove in an embedded mode; a balance bubble is arranged at the center above the balance rod; the object bearing frame is provided with an object passing hole, and the balance rod penetrates through the object passing hole.

As a further aspect of the present invention: the convenient door sealing device comprises a box cover, a handle is arranged on the right side above the box cover, the handle is fixedly connected with the box cover, a first sliding table is arranged below the box cover, a transmission frame is arranged above the side wall of the box body, one end of the transmission frame is hinged with the box body, a first sliding groove is formed in the transmission frame, and the first sliding table is matched with the first sliding groove; the cross sections of the first sliding table and the first sliding groove are both trapezoidal.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a convenient door sealing device plays dirt-proof effect, realizes basic function through the analytical balance device that a plurality of connecting rods are constituteed, the core component of analytical balance device is the connecting rod to there is not easy absorption gathering part, and dustproof effect is splendid.

Drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic view of the construction of a dust-proof analytical balance.

Fig. 2 is a schematic structural view of a box body in the dustproof analytical balance.

Fig. 3 is a schematic view of the structure of a carrier in a dust-proof analytical balance.

In the figure: the device comprises a box body 1, a box cover 2, a first sliding table 201, a transmission frame 3, a first sliding groove 301, a first supporting plate 4, a first base 5, a second supporting plate 6, a first connecting rod 7, a second connecting rod 8, a bearing frame 9, a third connecting rod 10, a balancing rod 11, a bearing table 12, a sliding table 1201, a passing hole 13, a sliding groove 14, a first limiting plate 15, a second limiting plate 16, a handle 17 and a balance bubble 18.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Referring to fig. 1-3, in an embodiment of the present invention, a dustproof analytical balance includes a box body 1, an analytical balance device is disposed above the inside of the box body 1, the analytical balance device includes a first base 5, the first base 5 is detachably connected above a bottom plate of the box body 1 through screws, a first support plate 4 is disposed above the box body 1, there are two first support plates 4, and the first support plate 4 is fixedly connected to the bottom plate of the box body 1; a second support rod 6 is arranged above the first base 5, the second support rod 6 is fixedly connected with the first base 5, a first connecting rod 7 is hinged to the top end of the first support plate 4, a second connecting rod 8 is hinged to one end, far away from the first support plate 4, of the first connecting rod 7, a balance rod 11 is arranged at the top end of the second support rod 6, and the middle of the balance rod 11 is rotatably connected to the second support rod 6;

further, a bearing frame 9 is arranged between one end of the second connecting rod 8, which is far away from the first connecting rod 7, and the end of the balance rod 11, a first limiting plate 15 and a second limiting plate 16 are arranged at two ends of the bearing frame 9, the first limiting plate 15 is hinged with the end of the balance rod 11, and the second limiting plate 16 is hinged with the second connecting rod 8; a third connecting rod 10 is arranged between the balance rod 11 and the first connecting rod 7, the third connecting rod 10 is hinged with the balance rod 11, and the third connecting rod 10 is hinged with the first connecting rod 7;

specifically, a second sliding groove 14 is formed above the object bearing frame 9, the cross section of the second sliding groove 14 is trapezoidal, an object bearing table 12 is arranged above the object bearing frame 9, a second sliding table 1201 is arranged below the object bearing table 12, and the second sliding table 1201 and the second sliding groove 14 are connected in a jogged mode; a balance bubble 18 is arranged at the center above the balance rod 11; the object bearing frame 9 is provided with an object passing hole 13, and the balance rod 11 passes through the object passing hole 13.

The embodiment of the utility model provides a theory of operation is: put heavy object and law sign indicating number respectively in two hold thing platform 12, hold thing platform 12 and can dismantle with second spout 14 through second slip table 1201 and be connected, the junction between first connecting rod 7, second connecting rod 8, hold thing frame 9, third connecting rod 10 and the balancing pole 11 is articulated for when heavy object and law sign indicating number press down hold thing platform 12, can not take place the motion and interfere, and sensitivity is higher, and balancing bubble 18 is convenient for whether viewing device is balanced.

Example 2

Referring to fig. 1-2, different from embodiment 1, in the embodiment of the present invention, a convenient door sealing device is disposed above a box body 1, the convenient door sealing device includes a box cover 2, a handle 17 is disposed on the right side above the box cover 2, the handle 17 is fixedly connected to the box cover 2, a first sliding table 201 is disposed below the box cover 2, a transmission frame 3 is disposed above a side wall of the box body 1, one end of the transmission frame 3 is hinged to the box body 1, a first sliding chute 301 is disposed on the transmission frame 3, and the first sliding table 201 is matched with the first sliding chute 301; the cross sections of the first sliding table 201 and the first sliding groove 301 are both trapezoidal.

The embodiment of the utility model provides a theory of operation is: through handle 17 pull push away case lid 2, case lid 2 is rotatory around the lateral wall top of box 1 through driving frame 3, when rotatory box 1 outside that moves, through the sliding connection of first slip table 201 with first spout 301, pushes down case lid 2, places in box 1 side for case lid 2 bottom contact ground can not influence follow-up operation like traditional sealing door, and convenient sealing door device can play dustproof function when the device does not use.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; 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.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The dustproof analytical balance is characterized by comprising a box body (1), an analytical balance device is arranged above the interior of the box body (1) and comprises a first base (5), a first supporting plate (4) is arranged above the box body (1), a second supporting rod (6) is arranged above the first base (5), a first connecting rod (7) is hinged to the top end of the first supporting plate (4), a second connecting rod (8) is hinged to one end, far away from the first supporting plate (4), of the first connecting rod (7), a balancing rod (11) is arranged at the top end of the second supporting rod (6), and the middle of the balancing rod (11) is rotatably connected to the second supporting rod (6); a bearing frame (9) is arranged between one end of the second connecting rod (8) far away from the first connecting rod (7) and the end part of the balancing rod (11), and a bearing table (12) is arranged above the bearing frame (9); a convenient door sealing device is arranged above the box body (1).

2. The dust-proof analytical balance according to claim 1, wherein the first base (5) is detachably connected above the bottom plate of the box (1) by screws, the number of the first support plates (4) is two, and the first support plates (4) are fixedly connected with the bottom plate of the box (1); the second supporting rod (6) is fixedly connected with the first base (5).

3. The dust-proof analytical balance according to claim 2, wherein a first limiting plate (15) and a second limiting plate (16) are provided at both ends of the carrier (9), the first limiting plate (15) is hinged to the end of the balance bar (11), and the second limiting plate (16) is hinged to the second link (8); a third connecting rod (10) is arranged between the balance rod (11) and the first connecting rod (7), the third connecting rod (10) is hinged to the balance rod (11), and the third connecting rod (10) is hinged to the first connecting rod (7).

4. The dustproof analytical balance according to claim 2 or 3, wherein a second sliding groove (14) is formed above the object bearing frame (9), the section of the second sliding groove (14) is trapezoidal, a second sliding table (1201) is arranged below the object bearing table (12), and the second sliding table (1201) is connected with the second sliding groove (14) in a embedding manner; a balance bubble (18) is arranged at the center above the balance rod (11); the object bearing frame (9) is provided with an object passing hole (13), and the balance rod (11) penetrates through the object passing hole (13).

5. The dustproof analytical balance according to any one of claims 1 to 3, wherein the convenient door sealing device comprises a box cover (2), a handle (17) is arranged on the right side above the box cover (2), the handle (17) is fixedly connected with the box cover (2), a first sliding table (201) is arranged below the box cover (2), a transmission frame (3) is arranged above the side wall of the box body (1), one end of the transmission frame (3) is hinged with the box body (1), a first sliding groove (301) is formed in the transmission frame (3), and the first sliding table (201) is matched with the first sliding groove (301); the cross sections of the first sliding table (201) and the first sliding groove (301) are both trapezoidal.