CN219319561U

CN219319561U - Weighing sensor

Info

Publication number: CN219319561U
Application number: CN202220905260.3U
Authority: CN
Inventors: 单华锋; 张佳垚; 陈学刚
Original assignee: Keeson Technology Corp Ltd
Current assignee: Keeson Technology Corp Ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2023-07-07
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a weighing sensor, which comprises a shell component and a sensor, wherein the sensor is arranged in the shell component; the shell component comprises an upper cover and a bottom cover which are mutually spliced; the upper cover is internally provided with a fascia to limit the position of the sensor; the side wall of the upper cover is provided with an opening for line passing, and the upper cover is provided with at least one through hole for line passing; the utility model mainly gives nuts on the sensor a ship-shaped appearance to flow out of the height space, and has attractive appearance, economy and practicability; by adopting the sensor, the plastic shell is added on the core component of the sensor, so that the sensor is protected.

Description

Weighing sensor

Technical Field

The utility model relates to the field of weighing sensors, in particular to a weighing sensor acting on a bed leg.

Background

Along with the rapid development of society and economy, the application range of the weighing sensor is wider and wider, and the weighing sensor is actually a device for converting a quality signal into a measurable electric signal to be output through a certain detection circuit, and the weighing sensor is most widely used in a resistance strain type according to a conversion method; the principle of the resistance strain type weighing sensor is as follows: the elastic body generates elastic deformation under the action of external force, so that the resistance strain gauge adhered to the surface of the elastic body also generates deformation along with the deformation, after the resistance strain gauge is deformed, the resistance value of the elastic body changes along with the change of the appearance, and the resistance change is converted into an electric signal through a corresponding measuring circuit, so that the process of converting the external force into the electric signal is completed.

The weighing sensor on the market is single in appearance, mainly takes a cylinder shape and a cuboid shape as main materials, has a simple and easily damaged connecting position structure, is serious in industrial wind, and is difficult to meet the requirements of household products. In addition, the sensors on the market have a plurality of acute angles, and the sensors may cause harm to human bodies during use.

In view of the foregoing, it is desirable to design a load cell that overcomes the above-mentioned problems.

Disclosure of Invention

The utility model aims to overcome the defects that a weighing sensor is easy to damage, easy to cause damage to human body and the like in the prior art.

To this end, some embodiments of the present utility model provide a load cell that includes a housing assembly and a sensor mounted within the housing assembly.

Further, the gasket assembly is included,

the gasket assembly comprises an upper gasket and a lower gasket; the upper gasket is disposed in a first remaining space between the sensor and an upper inner surface of the housing assembly to fill the first remaining space, and the lower gasket is disposed in a second remaining space between the sensor and a lower inner surface of the housing assembly to fill the second remaining space.

Further, the bottom cover is provided with at least one through hole, so that the upper and lower positions of the sensor can be adjusted.

Further, the sensor end is provided with a wire clamping member to prevent loosening of the wire.

Further, the housing assembly includes an upper cover and a bottom cover that are mutually spliced.

Further, the upper cover has a channel therein to limit the positions of the sensor and the upper pad.

Further, the side wall of the upper cover is provided with an opening for the line, and the upper cover is provided with at least one through hole for the line.

Further, the side wall of the upper cover is provided with a bottom cover protruding part which is integrally arranged.

Further, the upper cover is provided with at least one through hole.

Further, the bottom cover is provided with a notch and a bottom cover boss integrally provided with the notch.

Further, the bottom cover is provided with a screw fixing part for embedding screws.

Further, both ends of the screw fixing portion are protruded to limit the position of the lower spacer.

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

the weighing sensor has special appearance, mainly gives nuts on the sensor a ship-shaped appearance to flow out of a height space, and has attractive appearance, economy and practicability; by adopting the sensor, the plastic shell is added on the core component of the sensor, so that the sensor is protected.

Description of the drawings:

FIGS. 1A and 1B are schematic diagrams of a first and a second weighing sensor according to an embodiment of the present utility model;

fig. 2A and 2B are schematic views illustrating the internal structures of the first and second covers according to the embodiment of the utility model;

fig. 3aa,3ab,3ba,3bb are schematic cross-sectional views of a first and second bottom covers according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a sensor according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of the use of the product according to the embodiment of the utility model.

Reference numerals:

in the figure: 1-a boat-shaped upper cover; 2-wire clamping components; 3-sensor fascia; 4-a wire through hole; 5-upper cover convex part; 6-sensor end; 7-upper cover through holes; 8-a bottom cover; 9-a screw fixing part; 10, a convex part of the bottom cover; 11-sidewall openings; 12-bottom cover notch; 13 a mounting object movable hole; 14-a bottom cover through hole; 15-a sensor; 16-gasket lane; 17-upper gasket; 18-lower gasket; 19-pad fixing part.

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.

The present utility model provides an embodiment one:

as shown in fig. 1B, a load cell 15 includes a housing assembly and a sensor, the sensor 15 being mounted within the housing assembly.

As shown in fig. 2B, the housing assembly includes a boat-shaped upper cover 1 and a bottom cover 8, and the housing assembly can wrap the core part of the sensor 15, and change the appearance of the sensor while protecting the sensor.

The upper cover 1 has a fascia 3 inside to confine the sensor 15. The fascia includes a fascia 3. The opening 4 in the side wall is used for circuit threading and electrical signal transmission.

The side wall of the upper cover 1 is provided with a through hole 4 for a through line, and an upper cover through hole 7 for installing a screw.

The side wall of the upper cover 1 is provided with a bottom cover protruding part 5 which is integrally arranged, and a mountable screw plays a role in fixing the bottom cover 8.

The upper cover 1 is provided with upper cover through holes 7 for mounting screws, and two upper cover through holes are arranged in the embodiment.

As shown in fig. 3BA and 3BB, the bottom cover 8 has a screw fixing portion 9 into which screws can be inserted.

The bottom cover 8 is provided with a notch 12 and a bulge part 10 which is integrally arranged, the notch 12 is used for fixing the boat-shaped upper cover 1, and the bulge part 10 is embedded with a screw for being used when the sensor 15 is installed.

The sensor 15 is provided with at least two through holes 14 with different diameters, and the through holes are used for fixing the sensor 15, so that the upper and lower positions of the sensor 15 can be adjusted.

The utility model is mainly applied to bedstead products, as shown in fig. 5, a structural schematic diagram of a weighing sensor 15 is shown, the weighing sensor 15 is provided with 3 through holes, and a wire clamping part 2 is arranged at the end part 6 of the weighing sensor for clamping wires, so that the wires are prevented from loosening. Fig. 6 shows a use state of the present embodiment.

The present utility model provides a second embodiment:

as shown in fig. 1A, a load cell 15 includes a housing assembly, a sensor 15, and a spacer assembly; the sensor 15 is installed in the shell assembly, the gasket assembly comprises an upper gasket 17 and a lower gasket 18, the upper gasket 17 has a certain thickness, and the thickness of the upper gasket 17 is larger than the height of the rib 16 in the vertical direction so as to avoid the stress of the rib when the load is applied; the four ribs 3 are used for fixing the upper and lower positions of the sensor 15 and the upper gasket 17 without loosening; the upper pad 17 is disposed in a first remaining space between the sensor 15 and an upper inner surface of the housing assembly to fill the first remaining space, and the lower pad 18 is disposed in a second remaining space between the sensor 15 and a lower inner surface of the housing assembly to fill the second remaining space. The upper gasket 17 and the lower gasket 18 increase the stress area when the rib 3 contacts with the sensor 15, reduce local pressure and play a role in protecting the shell and the sensor 15 in the shell.

As shown in fig. 2A, the housing assembly includes a boat-shaped upper cover 1 and a bottom cover 8, and the housing assembly can wrap the core part of the sensor 15, and change the appearance of the sensor while protecting the sensor.

The upper cover 1 is internally ribbed to limit the position of the sensor 15 and the upper gasket 17. The fascia includes an outer fascia 16 and an inner fascia 3. The height of the outer ribs 16 is smaller than the thickness of the gasket, so that the stress of the ribs 16 during loading is avoided; the inner ribs 3 are used to limit the position of the sensor and the upper pad 6, and the openings 11 in the side walls are used to limit the displacement of the sensor and simultaneously for the threading of the circuit and the transmission of electrical signals.

The side wall of the upper cover 1 is provided with a bulge part 5 which is integrally arranged, and the function of fixing the bottom cover 8 is achieved.

The upper cover 1 is provided with an upper cover through hole 7 for installing screws.

As shown in fig. 3AA and 3AB, the bottom cover 8 has a screw fixing portion 9 into which a screw can be inserted, and the screw fixing portion 9 is provided with a spacer fixing portion 19 to limit the position of the lower spacer 18.

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. A weighing cell, characterized in that: the sensor is arranged in the shell assembly;

comprising a gasket assembly, wherein the gasket assembly comprises a gasket,

2. A load cell according to claim 1, wherein the sensor end is provided with a wire-clamping member to prevent loosening of the wire.

3. The load cell of claim 1 wherein said housing assembly comprises a top cover and a bottom cover that are mated to each other.

4. A load cell according to claim 3, wherein the bottom cover is provided with at least one through hole allowing the sensor to be adjusted in up and down position.

5. The load cell of claim 4 wherein said upper cover has a channel therein to limit the position of said sensor and said upper spacer.

6. The load cell of claim 4 wherein said upper cover side wall is provided with an opening for wiring and said upper cover is provided with at least one through hole for wiring.

7. The load cell of claim 4 wherein said upper cover side wall is provided with an integrally formed bottom cover boss.

8. The load cell of claim 4 wherein said upper cover is provided with at least one through hole.

9. The load cell of claim 4 wherein the bottom cover is provided with a notch and a bottom cover boss integrally provided with the notch.

10. The load cell of claim 4 wherein the bottom cover is provided with screw fixtures for embedded screws.

11. The load cell of claim 10 wherein said screw fixation portion is raised at both ends to limit the position of said lower spacer.