CN220602704U

CN220602704U - Portable electronic balance automatic calibrating device

Info

Publication number: CN220602704U
Application number: CN202322223761.0U
Authority: CN
Inventors: 马丽雪儿; 孔祥鑫; 赵燕
Original assignee: Zibo Institute Of Metrology Technology
Current assignee: Zibo Institute Of Metrology Technology
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-15
Anticipated expiration: 2033-08-18

Abstract

The utility model relates to the technical field of electronic balances, in particular to an automatic portable electronic balance calibrating device, which comprises a protection box body and an electronic balance body, wherein the lower end of the electronic balance body is fixedly connected with four groups of movable rods, the lower sides of the movable rods are movably arranged in a loop bar, the loop bar is fixedly arranged at the upper end of a buffer seat, the lower end of the buffer seat is fixedly connected with four groups of guide rods, the lower side of the inner wall of the protection box body is fixedly connected with four groups of loop blocks, guide grooves are formed in the loop blocks, the guide rods are movably arranged at the openings of the guide grooves, and the lower ends of the guide rods are fixedly connected with rubber damping blocks.

Description

Portable electronic balance automatic calibrating device

Technical Field

The utility model relates to the technical field of electronic balances, in particular to a portable electronic balance automatic verification device.

Background

An electronic balance is a balance for balancing the weight of an object by using electromagnetic force. The automatic weighing device is characterized by accurate and reliable weighing, rapid and clear display, automatic detection system, simple automatic calibration device, overload protection and other devices. The inner wall components of the electronic balance are compact, the maintenance is difficult, the maintenance cost is high, if the electronic balance is collided and bumped during carrying and transferring, the damage to the components in the electronic balance is easy to cause, and therefore, the portable electronic balance automatic verification device is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide a portable electronic balance automatic verification device, which solves the problems that the components on the inner wall of an electronic balance, which are proposed in the background technology, are compact, the maintenance is very difficult, the maintenance cost is high, and if the components are collided and bumped during carrying and transferring, the components in the electronic balance are easily damaged.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic calibrating device of portable electronic balance, includes protection box and electronic balance body, four movable bars of lower extreme fixed connection of electronic balance body, the downside movable mounting of movable bar is in the loop bar, the loop bar is fixed to be set up in the upper end of buffer seat, four guide arms of lower extreme fixedly connected with of buffer seat, four sets of pieces of fixedly connected with of inner wall downside of protection box, the guide slot has been seted up in the piece of cover, guide arm movable mounting is in the opening part of guide slot, the lower extreme fixedly connected with rubber damping piece of guide arm, vertically be provided with first spring in the guide slot, the upper and lower both ends of first spring offset with the lower extreme of rubber damping piece and the lower extreme of guide slot respectively, be provided with the elevating system that control electronic balance body goes up and down on the buffer seat, the upper end rotation of protection box is installed left and is closed the lid, the front side of protection box is provided with the locking mechanism who locks right side and closes the lid, protection box inner wall surface is provided with the sponge piece.

Preferably, the lifting mechanism comprises a screw rod, the screw rod is rotatably arranged at the center of the buffer seat, a screw sleeve is sleeved on the upper side of the screw rod through a thread, the screw sleeve is fixedly arranged at the lower end of the electronic balance body, a first gear is fixedly arranged at the lower end of the screw rod, a crank is rotatably arranged in the buffer seat, a second gear is fixedly arranged at the left end of the crank, and the first gear is meshed with the second gear.

Preferably, the locking mechanism comprises a locking rod, a movable groove is formed in the front side of the protection box body, the locking rod is movably mounted at an opening of the movable groove, a second spring is transversely arranged in the movable groove, the front side and the rear side of the second spring are respectively propped against the front end of the movable groove and the rear side of the locking rod, a locking hole is formed in the front end of the right closing cover, and the rear side of the locking rod is matched with the locking hole.

Preferably, the outer diameter of the rubber damping block is matched with the inner diameter of the guide groove, and the outer wall of the rubber damping block is tightly attached to the inner wall of the guide groove.

Preferably, the outer diameter of the movable rod is matched with the inner diameter of the loop bar, and the outer wall of the movable rod is tightly attached to the inner wall of the loop bar.

Preferably, the upper ends of the left closing cover and the right closing cover are both rotatably provided with handles.

Compared with the prior art, the utility model has the beneficial effects that: according to the electronic balance, the electronic balance body is wrapped and protected through the protection box body and the sponge block, so that the electronic balance body is convenient to carry and transfer, when the surface of the protection box body is impacted, the impact of the electronic balance body is buffered by utilizing the characteristics of the sponge block, the impact on components in the electronic balance body during carrying is reduced, and the vertical impact can be buffered through the guide rod, the rubber damping block and the first spring; the electronic balance body is lifted out of the protection box body when the electronic balance body is used, the electronic balance body is lowered into the protection box body when the electronic balance is not used, the left closing cover and the right closing cover are quickly closed for protection, and effective buffer protection and quick and portable use of the electronic balance body are realized.

Description of the drawings:

in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a structure of the movable slot of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure at the protective case of the present utility model;

FIG. 4 is a schematic cross-sectional view of the structure of the loop bar and loop block of the present utility model;

FIG. 5 is a schematic cross-sectional view of a buffer seat according to the present utility model;

FIG. 6 is an enlarged partial schematic view of the FIG. 2A;

FIG. 7 is an enlarged partial schematic view of the B of FIG. 4 in accordance with the present utility model;

fig. 8 is an enlarged partial schematic view of fig. 5C according to the present utility model.

In the figure: 1. protecting the box body; 2. an electronic balance body; 3. a movable rod; 4. a loop bar; 5. a buffer seat; 6. a screw sleeve; 7. a screw; 8. a first gear; 9. a second gear; 10. a crank; 11. a guide rod; 12. sleeving blocks; 13. a guide groove; 14. a first spring; 15. a rubber damping block; 16. a left closing cover; 17. closing the cover on the right; 18. a movable groove; 19. a locking lever; 20. a second spring; 21. a locking hole; 22. a sponge block; 23. a handle.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, an embodiment of the present utility model is provided: the utility model provides a portable electronic balance automatic verification device, including protection box 1 and electronic balance body 2, the lower extreme fixed connection of electronic balance body 2 four groups movable rod 3, the downside movable mounting of movable rod 3 is in loop bar 4, loop bar 4 fixed setting is in the upper end of buffer seat 5, the lower extreme fixedly connected with four groups guide arm 11 of buffer seat 5, the inner wall downside fixedly connected with four groups stack piece 12 of protection box 1, the guide slot 13 has been seted up in the stack piece 12, guide arm 11 movable mounting is in the opening part of guide slot 13, the lower extreme fixedly connected with rubber damping piece 15 of guide arm 11, vertically be provided with first spring 14 in the guide slot 13, the upper and lower both ends of first spring 14 offset with the lower extreme of rubber damping piece 15 and the lower extreme of guide slot 13 respectively, be provided with the elevating system that controls electronic balance body 2 to go up and down on the buffer seat 5, the upper end rotation of protection box 1 is installed left and right and closes lid 17, the front side of protection box 1 is provided with the locking mechanism who locks right and closes lid 17, protection box 1 inner wall surface is provided with sponge piece 22.

Further, the elevating system includes screw rod 7, and screw rod 7 rotates the center department of installing at buffering seat 5, and screw rod 7's upside has cup jointed swivel nut 6 through the screw thread, and swivel nut 6 fixed mounting is in the lower extreme of electronic balance body 2, and screw rod 7's lower extreme is fixed to be provided with first gear 8, and buffering seat 5 internal rotation is installed crank 10, and crank 10's left end is fixed to be provided with second gear 9, and first gear 8 meshes with second gear 9, and as shown in fig. 4, 5 and 8, this structure is used for realizing the lift of electronic balance body 2.

Further, the locking mechanism comprises a locking rod 19, a movable groove 18 is formed in the front side of the protection box body 1, the locking rod 19 is movably mounted at an opening of the movable groove 18, a second spring 20 is transversely arranged in the movable groove 18, the front side and the rear side of the second spring 20 are respectively propped against the front end of the movable groove 18 and the rear side of the locking rod 19, a locking hole 21 is formed in the front end of the right closing cover 17, the rear side of the locking rod 19 is matched with the locking hole 21, and the structure is used for locking the left closing cover 16 and the right closing cover 17 after closing as shown in fig. 2 and 6.

Further, the outer diameter of the rubber damping block 15 is matched with the inner diameter of the guide groove 13, the outer wall of the rubber damping block 15 is closely attached to the inner wall of the guide groove 13, as shown in fig. 7, the structure is used for ensuring sufficient friction between the rubber damping block 15 and the inner wall of the guide groove 13 so as to enhance the buffering effect during collision.

Further, the outer diameter of the movable rod 3 is matched with the inner diameter of the loop bar 4, the outer wall of the movable rod 3 is tightly attached to the inner wall of the loop bar 4, as shown in fig. 4 and 5, the structure is used for enabling the lifting of the electronic balance body 2 to be stable.

Further, the handles 23 are rotatably installed at the upper ends of the left closing cover 16 and the right closing cover 17, as shown in fig. 1 and 2, and the structure is used for enabling the protection case 1 to be lifted, so that the protection case is convenient to carry and portability is improved.

Working principle: when the electronic balance is impacted, the sponge block 22 separates the protection box body 1 from the electronic balance body 2, so that the protection box body 1 and the electronic balance body 2 are prevented from being in direct contact and expansion, when the electronic balance is impacted longitudinally, the guide rod 11 and the rubber damping block 15 move in the guide groove 13, the first spring 14 is compressed in the process, and when the first spring 14 rebounds, the rubber damping block 15 is pushed, so that the outer wall of the rubber damping block 15 rubs with the inner wall of the guide groove 13 to offset the rebound force of a part of the first spring 14, and a certain impact buffering effect is achieved; when the electronic balance body 2 is required to be used, the locking rod 19 is pulled outwards, so that the locking rod 19 is separated from the locking hole 21 and compresses the second spring 20, then the right closing cover 17 can be firstly rotated to open, then the left closing cover 16 is firstly rotated to open, then the crank 10 is rotated, the second gear 9 is caused to rotate, the first gear 8 is driven to rotate, the screw rod 7 is further driven to rotate, the screw sleeve 6 is caused to move upwards under the action of the screw thread, the electronic balance body 2 is driven to move upwards, the movable rod 3 slides and rises in the sleeve rod 4 in the process, the electronic balance body 2 is caused to rise completely from the protection box 1, then an object to be weighed can be placed on the electronic balance body 2, after weighing is completed, the crank 10 is reversely rotated, the electronic balance body 2 is caused to descend into the protection box 1, then the left closing cover 16 is firstly rotated, then the right closing cover 17 is rotated, the locking rod 19 is pulled outwards, after the right closing cover 17 is rotated, the second spring 20 is compressed, the locking rod 19 is aligned with the locking hole 21, the locking rod 19 is released, the second spring 20 pushes the locking rod 19 to be inserted into the locking hole 21, and the locking rod 19 is completely locked.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a portable electronic balance automatic verification device, includes guard box body (1) and electronic balance body (2), its characterized in that: the electronic balance comprises an electronic balance body (2), four groups of movable rods (3) are fixedly connected to the lower end of the electronic balance body (2), the lower side of the movable rods (3) is movably mounted in a loop rod (4), the loop rod (4) is fixedly arranged at the upper end of a buffer seat (5), four groups of guide rods (11) are fixedly connected to the lower end of the buffer seat (5), four groups of guide rods (12) are fixedly connected to the lower side of the inner wall of the protection box body (1), a guide groove (13) is formed in the loop block (12), the guide rods (11) are movably mounted at the opening of the guide groove (13), a rubber damping block (15) is fixedly connected to the lower end of the guide rod (11), a first spring (14) is longitudinally arranged in the guide groove (13), the upper end and the lower end of the first spring (14) are respectively abutted to the lower end of the rubber damping block (15) and the lower end of the guide groove (13), a lifting mechanism for controlling the electronic balance body (2) to lift is arranged on the buffer seat (5), a left protection box body (1) is rotatably provided with a protection box body (17), and a right protection box body (17) is fixedly connected to the left protection box body (17) and the right protection box body is fixedly provided with a front protection box body (17).

2. The automatic verification device for portable electronic balances according to claim 1, wherein: the lifting mechanism comprises a screw rod (7), the screw rod (7) is rotatably arranged at the center of a buffer seat (5), a threaded sleeve (6) is sleeved on the upper side of the screw rod (7), the threaded sleeve (6) is fixedly arranged at the lower end of an electronic balance body (2), a first gear (8) is fixedly arranged at the lower end of the screw rod (7), a crank (10) is rotatably arranged in the buffer seat (5), a second gear (9) is fixedly arranged at the left end of the crank (10), and the first gear (8) is meshed with the second gear (9).

3. The automatic verification device for portable electronic balances according to claim 1, wherein: the locking mechanism comprises a locking rod (19), a movable groove (18) is formed in the front side of the protection box body (1), the locking rod (19) is movably mounted at the opening of the movable groove (18), a second spring (20) is transversely arranged in the movable groove (18), the front side and the rear side of the second spring (20) are respectively propped against the front end of the movable groove (18) and the rear side of the locking rod (19), a locking hole (21) is formed in the front end of the right closing cover (17), and the rear side of the locking rod (19) is matched with the locking hole (21).

4. The automatic verification device for portable electronic balances according to claim 1, wherein: the outer diameter of the rubber damping block (15) is matched with the inner diameter of the guide groove (13), and the outer wall of the rubber damping block (15) is tightly attached to the inner wall of the guide groove (13).

5. The automatic verification device for portable electronic balances according to claim 1, wherein: the outer diameter of the movable rod (3) is matched with the inner diameter of the loop bar (4), and the outer wall of the movable rod (3) is tightly attached to the inner wall of the loop bar (4).

6. The automatic verification device for portable electronic balances according to claim 1, wherein: the upper ends of the left closing cover (16) and the right closing cover (17) are rotatably provided with handles (23).