CN210071101U

CN210071101U - Overload impact prevention device for electronic balance

Info

Publication number: CN210071101U
Application number: CN201921254246.6U
Authority: CN
Inventors: 郭占成; 万文华
Original assignee: Tianjin D & T Transducer Technology Co Ltd
Current assignee: Tianjin D & T Transducer Technology Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-02-14
Anticipated expiration: 2029-08-05

Abstract

The utility model belongs to the technical field of electronic balance devices, in particular to an overload impact prevention device for an electronic balance, which comprises a shell, a functional bin, an electronic balance body and a tray, wherein the functional bin is arranged in the shell, the electronic balance body is fixedly connected with the bottom end inside the functional bin, the tray is lapped on the upper end of the electronic balance body, and the overload prevention device is arranged inside the functional bin; the utility model discloses, through setting up bee calling organ for the device is when the weight of the in-process article that weighs to the article surpasses the device's standard load numerical value, under bee calling organ's effect, bee calling organ can the sound production to people transmit overloaded signal, thereby make people in time handle overload phenomenon, avoid the device to surpass the device's the bearing mark time at the weight that the in-process that weighs to the article meets the article, can be to people signals, avoid the device to cause the damage.

Description

Overload impact prevention device for electronic balance

Technical Field

The utility model belongs to the technical field of electronic balance device, concretely relates to electronic balance is with anti-overload impact device.

Background

Electronic balances, in particular those based on the electromagnetic force compensation principle, which are currently on the market either have no overload protection function or have an incomplete overload protection function. The common overload protection problems mainly include that 1, the difference between central overload and unbalance overload is too large, protection failure is possibly caused, a balance is damaged, the center of a scale pan cannot be randomly arranged, 2, the overload protection device of a plurality of weighing sensors is arranged on the balance cover, the overload protection effect is not achieved when a single weighing sensor is used for weighing and transporting, and the following devices are provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an electronic balance is with anti-overload impact device has simple structure, the simple operation to have the characteristics of anti-overload impact.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an overload impact device for electronic balance, includes shell, function storehouse, electronic balance body and tray, the function storehouse sets up in the shell, electronic balance body fixed connection is in the inside bottom in function storehouse, electronic balance body upper end overlap joint has the tray, the inside overload protection device that is provided with in function storehouse, the through-hole has been seted up to function storehouse upper end, the overload protection device upper end is worn to establish in the through-hole, the overload protection device upper end sets up at the tray lower extreme, the inside bee calling organ that is provided with in function storehouse.

Preferably, overload protection device includes spacing platform, spacing platform fixed connection is in function storehouse bottom, the spout has been seted up to spacing platform inner wall, sliding connection has the slider in the spout, the other end fixedly connected with of slider has the elevating platform, the slider is total two to symmetrical arrangement is in the elevating platform both sides, spacing inside first dashpot that is provided with of platform, first dashpot bottom fixedly connected with pressure sensor, the first telescopic link of pressure sensor upper end fixedly connected with, first telescopic link upper end fixed connection is at the elevating platform lower extreme, first spring has been cup jointed on first telescopic link surface, the rubber sleeve has been cup jointed on first spring surface, total two of first spring to symmetrical arrangement is in the elevating platform upper end.

Preferably, the inside second dashpot that is provided with of elevating platform, the inside bottom fixedly connected with second telescopic link of second dashpot, the second spring has been cup jointed on second telescopic link surface, second telescopic link upper end fixedly connected with rubber column, the rubber column is worn to establish in the through-hole, the rubber column sets up at the tray lower extreme.

Preferably, shell fixed surface is connected with the fixed block, the handle is worn to be equipped with on the fixed block surface, the handle is total two to symmetrical arrangement is in the shell both sides, the shell openly is provided with control switch, the inside microprocessor that is provided with of control switch, shell lower extreme fixedly connected with rubber base, rubber base is total four to arrange at the shell lower extreme, shell lower extreme fixedly connected with battery.

Preferably, the control switch is electrically connected with the storage battery, and the control switch is respectively electrically connected with the pressure sensor, the buzzer and the electronic balance body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, through setting up bee calling organ, when making the device weigh the in-process article weight and surpassing the device's standard load numerical value, under bee calling organ's effect, bee calling organ can sound and transmit overloaded signal to people, thereby make people in time handle the overload phenomenon, avoid the device when meeting the weight of article and surpassing the device's bearing mark in the process of weighing the article, can send signal to people, avoid the device to cause the damage, under the effect of spout and slider, make the elevating platform through the mutual cooperation of spout and slider in the process of going up and down, make the elevating platform can carry out directional movement in the process of going up and down, avoid the elevating platform to produce the skew in the process of going up and down, under the effect of first spring, first telescopic link, second spring and second telescopic link, when the device is used for weighing the object, the impact force generated by the object can be buffered under the action of the first spring, the first telescopic rod, the second spring and the second telescopic rod, and the overload object is prevented from damaging the device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic structural view of the overload prevention device of the present invention;

FIG. 4 is a schematic diagram of the circuit system of the present invention;

in the figure: 1. a housing; 2. a functional bin; 3. an electronic balance body; 4. a tray; 5. a through hole; 6. an overload prevention device; 601. a limiting table; 602. a chute; 603. a slider; 604. a lifting platform; 605. a pressure sensor; 606. a first telescopic rod; 607. a first spring; 608. a rubber sleeve; 609. a second buffer tank; 610. a second telescopic rod; 611. a second spring; 612. a rubber column; 613. a first buffer tank; 7. a buzzer; 8. a fixed block; 9. a handle; 10. a storage battery; 11. a rubber base; 12. and controlling the switch.

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.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: an overload impact prevention device for an electronic balance comprises a shell 1, a functional bin 2, an electronic balance body 3 and a tray 4, wherein the functional bin 2 is arranged in the shell 1, the electronic balance body 3 is fixedly connected with the bottom end inside the functional bin 2, the tray 4 is lapped on the upper end of the electronic balance body 3, an overload prevention device 6 is arranged inside the functional bin 2, a through hole 5 is formed in the upper end of the functional bin 2, the upper end of the overload prevention device 6 is arranged in the through hole 5 in a penetrating manner, the upper end of the overload prevention device 6 is arranged at the lower end of the tray 4, a buzzer 7 is arranged inside the functional bin 2, and when the weight of an object exceeds the standard load value of the device in the process of weighing the object, the buzzer 7 can sound under the action of the buzzer 7 to transmit an overload signal to people, so that people can timely handle the overload phenomenon, the device is avoided when the weight of the object exceeds the bearing mark of the device in the process of weighing the object, so that a signal can be sent to people, and the device is prevented from being damaged.

Specifically, the overload prevention device 6 includes a limiting table 601, the limiting table 601 is fixedly connected to the bottom end of the functional cabin 2, a sliding groove 602 is formed in an inner wall of the limiting table 601, a sliding block 603 is slidably connected to the sliding groove 602, under the action of the sliding groove 602 and the sliding block 603, the lifting table 604 is matched with the sliding groove 602 and the sliding block 603 in the lifting process, so that the lifting table 604 can move directionally in the up-and-down moving process, and the lifting table 604 is prevented from shifting in the lifting process, the lifting table 604 is fixedly connected to the other end of the sliding block 603, the two sliding blocks 603 are provided, and are symmetrically arranged on two sides of the lifting table 604, a first buffer groove 613 is provided in the limiting table 601, a pressure sensor 605 is fixedly connected to the bottom end of the first buffer groove 613, the pressure sensor 605 is a device or a device capable of sensing a pressure signal and converting the pressure signal into a usable output electric signal according to a certain rule, the upper end of the pressure sensor 605 is fixedly connected with a first telescopic rod 606, the upper end of the first telescopic rod 606 is fixedly connected to the lower end of the lifting table 604, the surface of the first telescopic rod 606 is sleeved with a first spring 607, the surface of the first spring 607 is sleeved with a rubber sleeve 608, and the number of the first springs 607 is two and the first springs are symmetrically arranged at the upper end of the lifting table 604.

Specifically, the inside second dashpot 609 that is provided with of elevating platform 604, the inside bottom fixedly connected with second telescopic link 610 of second dashpot 609, second spring 611 has been cup jointed on the second telescopic link 610 surface, under the effect of first spring 607, first telescopic link 606, second spring 611 and second telescopic link 610, make the device when weighing the article, under the effect of first spring 607, first telescopic link 606, second spring 611 and second telescopic link 610, can cushion the impact force that the article produced, avoid overloaded article to cause the damage to the device, second telescopic link 610 upper end fixedly connected with rubber column 612, rubber column 612 wears to establish in through-hole 5, rubber column 612 sets up at tray 4 lower extreme.

Specifically, 1 fixed surface of shell is connected with fixed block 8, handle 9 is worn to be equipped with on the fixed block 8 surface, handle 9 is total two to symmetrical arrangement is in 1 both sides of shell, 1 openly is provided with control switch 12 of shell, control switch 12, the inside microprocessor that is provided with of

control switch

12, 1 lower extreme fixedly connected with rubber base 11 of shell, rubber base 11 is total four to arrange at 1 lower extreme of shell, 1 lower extreme fixedly connected with battery 10 of shell.

Specifically, the control switch 12 is electrically connected with the storage battery 10, and the control switch 12 is electrically connected with the pressure sensor, the buzzer 7 and the electronic balance body 3 respectively.

The utility model discloses a theory of operation and use flow: the utility model discloses, when using, at first remove the device to suitable position through handle 9, then will need the article of weighing to place on tray 4 upper end, when the weight of article surpassed the limit of electronic balance body 3, under the effect of overload prevention device 6, avoid electronic balance body 3 to exceed at the load standard, make electronic balance body 3 receive the harm, when electronic balance body 3 bears the weight, under the effect of first spring 607 and first telescopic link 606 in the first spacing groove, make elevating platform 604 who carries rubber column 612 receive the buffering, thereby make the impact force that the article on tray 4 caused buffer, avoid the impact force of transshipping to cause the damage to electronic balance body 3, simultaneously after elevating platform 604 moves to appointed position, second telescopic link 610 and second spring 611 that set up in second buffer slot 609 can cushion the surplus buffer force once more, the damage to the electronic balance body 3 caused by the impact force generated by the overloaded object is avoided, when the object on the upper end of the tray is overweight, and simultaneously the sliding block arranged on the side surface of the lifting platform 604 moves to the bottom end of the sliding groove 602, the lifting platform 604 stops moving downwards, so that the overload protection device 6 can support the tray loaded with the heavy object, and the tray loaded with the heavy object is prevented from acting on the electronic balance body, so that the device can be protected and the purpose of preventing the overload is achieved, simultaneously, the pressure sensor 605 arranged in the second buffer groove 609 after the lifting platform 604 reaches the designated position can transmit the numerical value of the weighing pressure to the microprocessor, the overload information is sounded to people through the buzzer 7 under the action of the microprocessor to transmit the overload signal to the people, so that the people can timely handle the overload phenomenon, and the specific model specification of the part related to the overload protection device needs to be determined according to the selection type such as the actual specification of the electronic balance, and the like In addition, the specific circuit connection structure among the components is the prior art, and the method is not improved in the application, so detailed description is omitted.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electronic balance is with anti-overload impact device, includes shell (1), function storehouse (2), electronic balance body (3) and tray (4), its characterized in that: function storehouse (2) set up in shell (1), electronic balance body (3) fixed connection is in the inside bottom in function storehouse (2), electronic balance body (3) upper end overlap joint has tray (4), inside overload prevention device (6) that is provided with in function storehouse (2), through-hole (5) have been seted up to function storehouse (2) upper end, overload prevention device (6) upper end is worn to establish in through-hole (5), overload prevention device (6) upper end sets up at tray (4) lower extreme, inside bee calling organ (7) that is provided with in function storehouse (2).

2. The overload shock preventing device for an electronic balance according to claim 1, wherein: the overload protection device (6) comprises a limiting table (601), the limiting table (601) is fixedly connected to the bottom end of the functional bin (2), sliding grooves (602) are formed in the inner wall of the limiting table (601), sliding blocks (603) are connected in the sliding grooves (602) in a sliding mode, a lifting table (604) is fixedly connected to the other end of each sliding block (603), the two sliding blocks (603) are arranged on two sides of the lifting table (604) in a symmetrical mode, a first buffer groove (613) is arranged inside the limiting table (601), a pressure sensor (605) is fixedly connected to the bottom end of the first buffer groove (613), a first telescopic rod (606) is fixedly connected to the upper end of the pressure sensor (605), the upper end of the first telescopic rod (606) is fixedly connected to the lower end of the lifting table (604), a first spring (607) is sleeved on the surface of the first telescopic rod (606), a rubber sleeve (608) is sleeved on the surface of the first, the first springs (607) are arranged at the upper end of the lifting platform (604) symmetrically.

3. The overload shock preventing device for an electronic balance according to claim 2, wherein: the inside second dashpot (609) that is provided with of elevating platform (604), inside bottom fixedly connected with second telescopic link (610) of second dashpot (609), second spring (611) have been cup jointed on second telescopic link (610) surface, second telescopic link (610) upper end fixedly connected with rubber column (612), rubber column (612) are worn to establish in through-hole (5), rubber column (612) set up at tray (4) lower extreme.

4. The overload shock preventing device for an electronic balance according to claim 2, wherein: the utility model discloses a battery, including shell (1), fixed block (8), handle (9) are worn to be equipped with on fixed block (8) surface, total two of handle (9) to the symmetrical arrangement is in shell (1) both sides, shell (1) openly is provided with control switch (12), the inside microprocessor that is provided with of control switch (12), shell (1) lower extreme fixedly connected with rubber base (11), rubber base (11) are total four to arrange at shell (1) lower extreme, shell (1) lower extreme fixedly connected with battery (10).

5. The overload shock preventing device for an electronic balance according to claim 4, wherein: the control switch (12) is electrically connected with the storage battery (10), and the control switch (12) is respectively electrically connected with the pressure sensor (605), the buzzer (7) and the electronic balance body (3).