Force sensor assembly

Abstract

The utility model discloses a force sensor assembly, which comprises symmetrically distributed elastic clamping jaws, included angle ends of the elastic clamping jaws are wave-shaped structures, the elastic clamping jaws clamp an object in a self-adaptive manner through deformation, bottom ends of the elastic clamping jaws are provided with a floating platform, a middle position of the floating platform is provided with a function groove, and a lower part of the floating platform is provided with an installation base. And a supporting feedback structure is arranged between the floating platform and the mounting base. Wave-shaped elastic clamping jaws are adopted to automatically adapt to objects of different sizes, a V-shaped opening structure is used for increasing the contact area, reducing repeated adjustment and improving compatibility, a floating platform is limited by a guide assembly (such as a guide column or a linear sliding rail) to only vertically move, and the pre-compression design of a belleville spring set and a rubber column is combined, so that the force transmission accuracy is improved, and the working efficiency is improved. A mechanical modular scheme is adopted on the whole, the device can be suitable for being used in environments such as high temperature and fog water, the maintenance time consumption is less, the maintenance cost is lower, the device is more convenient to use, and the application range is wide.

Description

TECHNICAL FIELD

[0001] The utility model relates to force sensor component technical field especially relates to force sensor component. BACKGROUND

[0002] Force sensor converts the magnitude of force into related electrical signal device, current force sensor includes some clamping / support assembly, realizes corresponding combination function respectively, but, common force sensor clamping assembly needs too much manual adjustment clamping jaw, because the clamping mode of adjusting clamping jaw is single, needs more installation steps when installing, clamping force and external measured force are directly transmitted through rigid structure, especially in the vibration environment, there is the possibility of causing measurement error, there is the use environment restriction, in the industrial harsh environment, how to reduce power supply demand and enhance the adaptability of environment is the place that force sensor assembly needs to improve, therefore, force sensor assembly is urgently needed. SUMMARY

[0003] The utility model discloses a force sensor assembly to solve the defects in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] Force sensor assembly, including: symmetrical distribution's elastic clamping jaw, the included angle end of elastic clamping jaw is wave shape structure, and the elastic clamping jaw is through deformation and is adapted to clamping object, and the bottom of elastic clamping jaw is equipped with floating platform, and the middle position of floating platform is equipped with function groove, and the below of floating platform is equipped with installation base, and the support feedback structure is equipped between floating platform and installation base.

[0006] Further, the elastic clamping jaw is a V-shaped structure, the V-shaped openings of the two elastic clamping jaws are oppositely directed, and the inner wall of the elastic clamping jaw is provided with a pressure-sensitive film.

[0007] Further, the elastic clamping jaw is provided with an elastic steel sheet near the V-shaped opening end, the two ends of the elastic steel sheet are connected with the outer wall of the elastic clamping jaw, and the elastic steel sheet is an arc-shaped structure and is integrally bent and formed.

[0008] Further, the bottom of the installation base is embedded with an annular permanent magnet, and a threaded mounting hole is formed in the middle position of the bottom end.

[0009] Further, the support feedback structure includes a plurality of rubber columns and disc springs, the disc springs are located between the floating platform and the installation base, and the floating platform is connected with the installation base through the rubber columns.

[0010] Further, the mounting base is internally provided with an annular air flow channel, the inlet end and the outlet end of the annular air flow channel are respectively located at two sides of the mounting base, and the inner wall is provided with radiating fins.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The wave-shaped elastic clamping jaw automatically adapts to objects of different sizes, the V-shaped opening structure increases the contact area, reduces repeated adjustment, increases compatibility, the floating platform is limited to vertical movement through the guide assembly (such as a guide column or a linear slide rail), the pre-compression design of the disc spring group and the rubber column increases the accuracy of force transmission, the whole adopts a mechanical modular scheme, can be used in high temperature, fog and other environments, has less maintenance time and lower maintenance cost, is more portable to use, and has a wide application range. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.

[0014] Fig. 1 It is the whole structure schematic view of the force sensor assembly proposed in the utility model;

[0015] Fig. 2 It is the reverse view of the force sensor assembly proposed in the utility model;

[0016] Fig. 3 It is the sectional view of the force sensor assembly proposed in the utility model.

[0017] In the drawing: 1, elastic clamping jaw;2, floating platform;3, mounting base;4, support feedback structure;5, radiating fin;

[0018] 6, pressure sensing film;7, elastic steel sheet;8, permanent magnet;9, threaded mounting hole;10, rubber column;11, disc spring group;12, annular air flow channel. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0020] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0021] Referring to Figs. 1-3 The force sensor assembly comprises symmetrically distributed elastic clamping jaws 1, the clamping angle end of the elastic clamping jaw 1 is a wave-shaped structure, the elastic clamping jaw 1 is self-adapting to clamp an object through deformation, the bottom end of the elastic clamping jaw 1 is provided with a floating platform 2, and a functional groove is formed in the middle position of the floating platform 2; the functional groove is used for assisting clamping and contact between the elastic clamping jaw 1 and the object (a force sensor and a measured object), and in a specific embodiment, the vibration frequency of the floating platform can be adjusted by installing a micro damper (such as a silica gel pad) in the functional groove, in addition, the floating platform 2 can directly read the displacement amount by additionally arranging a vertical scale plate on one side, and the versatility of the equipment is increased.

[0022] A mounting base 3 is arranged below the floating platform 2, and a support feedback structure 4 is arranged between the floating platform 2 and the mounting base 3.

[0023] As can be seen from the above design, the elastic clamping jaw 1 is self-adapting to clamp an object through the elastic deformation of the wave-shaped structure at the end, the clamping force is transmitted to the floating platform 2, the floating platform 2 is pressed downward after being subjected to external force, the force is converted into observable mechanical feedback (such as displacement or deformation) through the support feedback structure 4, the functional groove is used for weight reduction or installation of auxiliary components (such as sensor cables), and can be adapted to load and place objects of different shapes, wherein the floating platform is guaranteed to move vertically through a guide assembly (a guide column or a linear slide rail).

[0024] The elastic clamping jaw 1 is in a V-shaped structure, the V-shaped openings of the two elastic clamping jaws 1 are oppositely directed, the inner wall of the elastic clamping jaw 1 is provided with a pressure sensing film 6, the surface of the pressure sensing film is provided with a color gradient area, the pressure size is determined by the area of the color change area, as can be seen from the above design, the V-shaped clamping jaw 1 is oppositely opened, the clamping contact area is increased, a mechanical pressure distribution film is pasted on the inner side, the material is a silica gel-based color-changing film, the pressure sensing film 6 reflects the clamping force distribution through the area of the color change area, local overpressure is avoided, the wave-shaped structure of the elastic clamping jaw 1 is automatically adapted to objects of different sizes through deformation, it is not necessary to manually adjust the spacing, the V-shaped structure is adapted to cylinders, prisms and various shapes, and the versatility is improved.

[0025] The elastic jaw 1 is provided with an elastic steel sheet 7 near the V-shaped opening end, both ends of the elastic steel sheet 7 are connected with the outer wall of the elastic jaw 1, the elastic steel sheet 7 is of an arc structure and is integrally bent and formed,

[0026] As can be seen from the above design, the elastic steel sheet 7 concentrates deformation through the arc structure, improves the elastic recovery capacity of the jaw 1, and at the same time, restricts the transverse displacement of the V-shaped opening end.

[0027] The bottom of the mounting base 3 is embedded with an annular permanent magnet 8, and a threaded mounting hole 9 is formed in the middle of the bottom end, the annular permanent magnet 8 provides quick adsorption installation, and the threaded mounting hole 9 is used for non-magnetic surface fixation, and flexibility and stability are considered.

[0028] The support feedback structure 4 includes a plurality of rubber columns 10 and a disc spring group 11, the disc spring group 11 is located between the floating platform 2 and the mounting base 3, the floating platform 2 is connected with the mounting base 3 through the rubber column 10, the rubber column 10 provides lateral stability through pre-compression, and the disc spring group 11 converts vertical pressure into linear displacement, and the force value is reflected through the downward distance of the floating platform 2.

[0029] The mounting base 3 is internally provided with an annular airflow channel 12, the channel inlet end and the outlet end are located on both sides of the base, respectively, and the inner wall is provided with a cooling fin 5, in the use process, external airflow enters the annular channel 12 through the inlet end, and heat exchange is accelerated through the cooling fin 5, so that the temperature of the base 3 is stable, and the stiffness drift of the disc spring (11) caused by high temperature is avoided.

[0030] The above only describes the preferred specific embodiments of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. Force sensor assembly, characterized in that Include: Symmetrical distribution of elastic clamping jaw (1), the clamping angle end of the elastic clamping jaw (1) is wave structure, the elastic clamping jaw (1) is self-adapting by deformation and clamping object, the bottom end of the elastic clamping jaw (1) is equipped with floating platform (2), the middle position of the floating platform (2) is equipped with functional groove, the lower side of the floating platform (2) is equipped with mounting base (3), the floating platform (2) and the mounting base (3) are equipped with support feedback structure (4) between.

2. The force sensor assembly of claim 1, wherein, The elastic clamping jaw (1) is V-shaped structure, the V-shaped opening of two elastic clamping jaws (1) is opposite to each other, the inner wall of the elastic clamping jaw (1) is equipped with pressure sensitive film (6).

3. The force sensor assembly of claim 2, wherein, The elastic clamping jaw (1) is equipped with elastic steel sheet (7) near the V-shaped opening end, the both ends of the elastic steel sheet (7) are connected with the outer wall of the elastic clamping jaw (1), the elastic steel sheet (7) is arc structure and is integrally bent and formed.

4. The force sensor assembly of claim 3, wherein, The bottom of the mounting base (3) is embedded with annular permanent magnet (8), and the bottom middle position is equipped with threaded mounting hole (9).

5. The force sensor assembly of claim 4, wherein, The support feedback structure (4) includes several rubber columns (10) and disc spring groups (11), the disc spring groups (11) are located between the floating platform (2) and the mounting base (3), the floating platform (2) is connected with the mounting base (3) through the rubber column (10).

6. The force sensor assembly of claim 5, wherein, The inside of the mounting base (3) is equipped with annular airflow channel (12), the inlet end and the outlet end of the annular airflow channel (12) are located on both sides of the mounting base (3) respectively, and the inner wall is equipped with cooling fin (5).

Images