CN214173546U

CN214173546U - Anti-interference weighing sensor

Info

Publication number: CN214173546U
Application number: CN202023225639.XU
Authority: CN
Inventors: 张发金; 李胜军
Original assignee: Hope Technologic Xiamen Co ltd
Current assignee: Hope Technologic Xiamen Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-10
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to an anti-interference type weighing sensor, including mount pad and weighing sensor body, be provided with on the mount pad the weighing sensor body, weighing sensor body one end with the mount pad is connected, the weighing sensor body other end is connected with the mount pad, the mount pad top is provided with the platform of weighing, the mount pad with the platform of weighing is connected through first buffer gear, first buffer gear includes slide, first spring, hinge bar and slider, and this anti-interference type weighing sensor, weighing sensor body are fixed on the mount pad, are provided with first buffer gear and second buffer gear in weighing sensor body top, and the preventing means receives vibrations and influences, is provided with overload protection device on the mount pad, prevents that the weighing sensor body from receiving the damage.

Description

Anti-interference weighing sensor

Technical Field

The utility model relates to a weighing sensor technical field specifically is an anti-interference type weighing sensor.

Background

As is known, a weighing sensor is a device which actually converts a mass signal into a measurable electric signal to be output, and the actual working environment of the sensor is considered by the sensor, which is important for the correct selection of the weighing sensor, and the weighing sensor is related to whether the sensor can work normally, the safety and the service life of the sensor, and even the reliability and the safety of the whole weighing apparatus.

When an object needing to be weighed is placed on the electronic balance, the weighing sensor converts a weight signal or a pressure signal into an electric quantity signal, and then the actual weight of the object is displayed through some built-in circuits and display devices, so in the structure of the whole electronic balance, the weighing sensor is an important part, the electronic balance on the market is generally not provided with a protection device for protecting the weighing sensor, and then when a heavy object suddenly drops onto the electronic balance, the weighing sensor is damaged, further the condition of inaccurate weighing is caused, and meanwhile, the weighing sensor is pulled up to cause the damage of the electronic balance, so that the electronic balance used at present has a certain improvement space.

For example, the patent publication "CN 208296968U" is named as: the utility model relates to a weighing sensor protection device, which comprises a weighing sensor, a weighing platform support frame, a sensor connecting block arranged at the top of the weighing sensor, a sensor base, a sensor housing and a limiting hanging edge, wherein the weighing platform support frame is arranged above the sensor connecting block; the below of sensor housing is equipped with the opening, the top of sensor housing is equipped with the through-hole, weighing sensor locates in the sensor housing, the sensor connecting block passes the through-hole and locates the housing outside, the sensor base locates the opening part of sensor housing below, be equipped with down spacing piece on the sensor base, spacing piece is apart from first settlement distance with weighing sensor's bottom down, spacing string limit is equipped with 2 of relative setting, the side of sensor housing is connected to the one end of spacing string limit, the weighing platform support frame is connected to the other end. Compared with the prior art, the utility model discloses guarantee in the transportation deformation volume of control sensor in safety range, and then protection sensor ".

The existing weighing sensor protection device is found in use, the damping effect of the device is poor, the influence of the external environment easily causes inaccurate measurement, and the use limitation of the device is high due to the poor protection device of the device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an anti-interference type weighing sensor with overload protection.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an anti-interference weighing sensor comprises a mounting seat and a weighing sensor body, wherein the weighing sensor body is arranged on the mounting seat, one end of the weighing sensor body is connected with the mounting seat, the other end of the weighing sensor body is connected with a mounting table, a weighing table is arranged above the mounting table, the mounting table is connected with the weighing table through a first buffer mechanism, the first buffer mechanism comprises a slide way, a first spring, a hinge rod and a slide block, the slide way is arranged on the side surface of the mounting table, the first spring is arranged at the inner end of the slide way, the slide block is arranged in the slide way, one end of the hinge rod is hinged with the slide block, the other end of the hinge rod is hinged with the weighing table, the first buffer mechanism is symmetrically arranged on the mounting table, a support is arranged on the mounting seat, and the supports are arranged at two ends of the mounting table, the support is provided with a hinged plate, the hinged plate is L-shaped, the hinged plate is arranged between the mounting table and the weighing table, limiting grooves are formed in two ends of the weighing table, one end of the hinged plate is matched with the weighing table, and the other end of the hinged plate is matched with the limiting grooves.

For convenient weighing, the utility model discloses the improvement has, the bench of weighing is provided with the rack.

In order to guarantee good overload protection, the utility model discloses the improvement has, the limiting groove is provided with the friction pad.

For the convenience articulated slab automatic re-setting, the utility model discloses the improvement has, be provided with the torsional spring on the support, the torsional spring sets up articulated slab both ends, the torsional spring with the articulated slab is connected.

In order to provide shock attenuation buffering protection, the utility model discloses the improvement has, be provided with second buffer gear on the mount table, second buffer gear includes telescopic link and second spring, telescopic link one end with the mount table is connected, the telescopic link other end with the platform of weighing is connected, the cover has on the telescopic link the second spring, second spring one end with the mount table is connected, the second spring other end with the platform of weighing is connected.

In order to guarantee the stability of platform of weighing, the utility model discloses the improvement has, telescopic link and second spring set up to the multiunit evenly arrange on the mount table.

(III) advantageous effects

Compared with the prior art, the utility model provides an anti-interference type weighing sensor possesses following beneficial effect:

this anti-interference type weighing sensor, the weighing sensor body is fixed on the mount pad, is provided with first buffer gear and second buffer gear above the weighing sensor body, and the preventing device receives vibrations and influences, is provided with overload protection device on the mount pad, prevents that the weighing sensor body from receiving the damage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a side sectional view of the structure of the present invention.

In the figure: 1. a mounting seat; 2. a weighing sensor body; 3. an installation table; 4. a weighing platform; 5. a first buffer mechanism; 6. a second buffer mechanism; 7. a slideway; 8. a first spring; 9. a hinged lever; 10. a slider; 11. a telescopic rod; 12. a second spring; 13. a support; 14. a hinge plate; 15. a limiting groove; 16. a friction pad; 17. a torsion spring; 18. and (5) placing the shelf.

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.

Referring to fig. 1-3, an anti-interference weighing sensor comprises a mounting base 1 and a weighing sensor body 2, the weighing sensor body 2 is arranged on the mounting base 1, one end of the weighing sensor body 2 is connected with the mounting base 1, the other end of the weighing sensor body 2 is connected with a mounting table 3, a weighing table 4 is arranged above the mounting table 3, the mounting table 3 is connected with the weighing table 4 through a first buffer mechanism 5, the first buffer mechanism 5 comprises a slide 7, a first spring 8, a hinge rod 9 and a slide block 10, the side surface of the mounting table 3 is provided with the slide 7, the first spring 8 is arranged at the inner end of the slide 7, the slide block 10 is arranged in the slide 7, one end of the hinge rod 9 is hinged with the slide block 10, the other end of the hinge rod 9 is hinged with the weighing table 4, the first buffer mechanisms 5 are symmetrically arranged on the mounting table 3, the mounting base 1 is provided with supports 13, the supports 13 are arranged at two ends of the mounting table 3, hinged plates 14 are arranged on the supports 13, the hinged plates 14 are L-shaped, the hinged plates 14 are arranged between the mounting table 3 and the weighing table 4, two ends of the weighing table 4 are provided with limiting grooves 15, one end of each hinged plate 14 is matched with the weighing table 4, and the other end of each hinged plate 14 is matched with the limiting groove 15.

The weighing platform 4 is provided with a placing rack 18 for weighing conveniently.

A friction pad 16 is arranged in the limiting groove 15 to ensure good overload protection.

The support 13 is provided with a torsion spring 17, the torsion spring 17 is arranged at two ends of the hinged plate 14, and the torsion spring 17 is connected with the hinged plate 14 to facilitate automatic return of the hinged plate 14.

The mounting table 3 is provided with a second buffer mechanism 6, the second buffer mechanism 6 comprises a telescopic rod 11 and a second spring 12, one end of the telescopic rod 11 is connected with the mounting table 3, the other end of the telescopic rod 11 is connected with the weighing table 4, the telescopic rod 11 is sleeved with the second spring 12, one end of the second spring 12 is connected with the mounting table 3, and the other end of the second spring 12 is connected with the weighing table 4 so as to provide damping and buffering protection.

The telescopic rods 11 and the second springs 12 are arranged in groups and are uniformly arranged on the mounting table 3, so as to ensure the stability of the weighing table 4.

To sum up, when the anti-interference weighing sensor is used, a weighing sensor body 2 is fixed on a mounting seat 1, a mounting table 3 is arranged above the weighing sensor body 2, the mounting table 3 is connected with a weighing table 4 through a first buffer mechanism 5 and a second buffer mechanism 6, when articles are placed on a placing frame 18 on the weighing table 4, a slide block 10 close to one end of the center of the mounting table 3 in a slide 7 moves towards one end with a first spring 8 by a hinged frame of the first buffer mechanism 5 and extrudes the first spring 8 to play a role in damping and buffering protection, a telescopic rod 11 is arranged on the mounting table 3, a second spring 12 is sleeved on the telescopic rod 11, when the weighing table 4 descends, the second spring 12 is extruded to conveniently provide damping and buffering protection, a support 13 is arranged on the mounting seat 1, a hinged plate 14 is arranged on the support 13, a torsion spring 17 is arranged on the support 13, the torsion spring 17 is connected with the hinged plate 14, so that the hinged plate 14 is convenient to reset, when heavy objects are too heavy, the weighing platform 4 is enabled to descend too much, the weighing platform 4 drives one end below the hinged plate 14, one end above the hinged plate 14 is enabled to be matched with the limiting grooves 15 at two ends of the weighing platform 4, the weighing platform 4 is prevented from continuously descending, and overload protection is achieved.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-interference type weighing sensor, includes mount pad (1) and weighing sensor body (2), its characterized in that: the weighing sensor comprises a mounting seat (1), a weighing sensor body (2) is arranged on the mounting seat (1), one end of the weighing sensor body (2) is connected with the mounting seat (1), the other end of the weighing sensor body (2) is connected with a mounting table (3), a weighing table (4) is arranged above the mounting table (3), the mounting table (3) is connected with the weighing table (4) through a first buffer mechanism (5), the first buffer mechanism (5) comprises a slide way (7), a first spring (8), a hinge rod (9) and a sliding block (10), the side face of the mounting table (3) is provided with the slide way (7), the inner end of the slide way (7) is provided with the first spring (8), the sliding block (10) is arranged in the slide way (7), one end of the hinge rod (9) is hinged with the sliding block (10), and the other end of the hinge rod (9) is hinged with the weighing table (4), the first buffer mechanisms (5) are symmetrically arranged on the mounting table (3), a support (13) is arranged on the mounting base (1), the support (13) is arranged at two ends of the mounting table (3), a hinged plate (14) is arranged on the support (13), the hinged plate (14) is L-shaped, the hinged plate (14) is arranged between the mounting table (3) and the weighing table (4), limiting grooves (15) are arranged at two ends of the weighing table (4), one end of the hinged plate (14) is matched with the weighing table (4), and the other end of the hinged plate (14) is matched with the limiting grooves (15).

2. The tamper resistant load cell of claim 1, wherein: and a placing rack (18) is arranged on the weighing platform (4).

3. The tamper resistant load cell of claim 1, wherein: and a friction pad (16) is arranged in the limit groove (15).

4. The tamper resistant load cell of claim 1, wherein: be provided with torsional spring (17) on support (13), torsional spring (17) set up articulated slab (14) both ends, torsional spring (17) with articulated slab (14) are connected.

5. The tamper resistant load cell of claim 1, wherein: the mounting table (3) is provided with a second buffer mechanism (6), the second buffer mechanism (6) comprises a telescopic rod (11) and a second spring (12), one end of the telescopic rod (11) is connected with the mounting table (3), the other end of the telescopic rod (11) is connected with the weighing table (4), the telescopic rod (11) is sleeved with the second spring (12), one end of the second spring (12) is connected with the mounting table (3), and the other end of the second spring (12) is connected with the weighing table (4).

6. The tamper resistant load cell of claim 5, wherein: the telescopic rods (11) and the second springs (12) are arranged in groups and are uniformly arranged on the mounting table (3).