Miniature tension and pressure sensing module

Abstract

The utility model provides a miniature tension and pressure sensing module, belongs to the technical field of touch modules, mainly aims at solving the problems that an existing module is large in use space and complex in structure, and provides the following technical scheme that the miniature tension and pressure sensing module comprises a rhombic elastic body structure which is made of stainless steel, and a through groove is formed in the top of the rhombic elastic body structure; a first force application shaft is arranged at the top of the rhombic elastomer structure, a groove is formed in the bottom of the rhombic elastomer structure, a second force application shaft is arranged at the bottom of the rhombic elastomer structure, and a strain gauge is arranged on one side of the rhombic elastomer structure; through the arrangement of the diamond-shaped elastic body structure, the limited attachment available area of the strainmeter can be maximized, the strainmeter can be used in a smaller pen container space, when the first force application shaft and the second force application shaft apply force to the diamond-shaped elastic body structure, the diamond-shaped elastic body structure is deformed by external force, the bridge of the strainmeter is changed, and the strainmeter can be attached to the strainmeter. Therefore, writing can be carried out on the external mobile device, and the module is simple in structure and convenient to assemble.

Description

TECHNICAL FIELD

[0001] The utility model belongs to touch module technical field, more specifically, it is especially related to a micro tension and compression force sensing module. BACKGROUND

[0002] The current PAD tablet computer or PC computer handwriting electronic pen needs to detect the pressure of the hand, and the pressing degree is transmitted to the pressure sensing module and circuit of the electronic pen through the pen tip for conversion, and the pen image size on the picture is accurately reflected, so that the drawing or writing thickness is smoothly controlled, and different experiences such as drawing pen, brush pen and fountain pen are obtained.

[0003] The utility model discloses a pressure sensing touch module, the module passes through the setting of touch sensing layer, conducting layer, cover plate and other parts, and the two polar plates of a capacitor are formed by the cooperation of touch sensing layer and conducting layer in use, and the pressure signal is detected by using the capacitance value change of the two polar plates due to the distance change; the current traditional module uses larger space, often needs larger pen barrel space to install, and the structure is relatively complex, so that the user is inconvenient to install. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a micro tension and compression force sensing module to solve the technical problems of the large space used by the traditional module and the complex structure in the prior art.

[0005] The purpose and effect of the micro tension and compression force sensing module are achieved by the following specific technical means:

[0006] A micro tension and compression force sensing module, comprising a rhombic elastomeric structure, the rhombic elastomeric structure is made of stainless steel, a through slot is formed in the top of the rhombic elastomeric structure, a first force applying shaft is arranged on the top of the rhombic elastomeric structure, a groove is formed in the bottom of the rhombic elastomeric structure, a second force applying shaft is arranged on the bottom of the rhombic elastomeric structure, and a strain gauge is arranged on one side of the rhombic elastomeric structure.

[0007] According to a preferred embodiment, one end of the first force applying shaft passes through the through slot and is connected with the rhombic elastomeric structure.

[0008] According to a preferred embodiment, the diameter of the first force applying shaft is 0.3mm.

[0009] According to a preferred embodiment, one end of the second force applying shaft close to the first force applying shaft is clamped in the groove.

[0010] According to a preferred embodiment, the diameter of the second force applying shaft is 0.5mm.

[0011] According to a preferred embodiment, the first force applying shaft and the second force applying shaft are made of stainless steel.

[0012] According to a preferred embodiment, the thickness of the rhombic elastic body structure is 0.3-0.5mm.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The user can pass one end of the first force applying shaft through the through slot on the top of the rhombic elastic body structure, and fix and connect the first force applying shaft with the rhombic elastic body structure, and can clamp one end of the second force applying shaft into the groove on the bottom of the rhombic elastic body structure, and connect the second force applying shaft with the rhombic elastic body structure, and can paste the strain gauge on one side of the rhombic elastic body structure, so that the assembly of the module is completed, the module structure is relatively simple, and because the rhombic elastic body structure can maximize the usable area of the limited strain gauge, the rhombic elastic body structure can be used in the smaller pen barrel space.

[0015] 2. When the user writes, the rhombic elastic body structure is pressed by the cooperation of the first force applying shaft and the second force applying shaft, so that the rhombic elastic body structure is deformed, so that the strain gauge bridge arranged on one side of the rhombic elastic body structure is changed, and the user can write smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the utility model micro tensile and compressive force sensing module;

[0017] Figure 2 It is a front view of the utility model micro tensile and compressive force sensing module;

[0018] Figure 3 It is a left view of the utility model micro tensile and compressive force sensing module;

[0019] Figure 4 It is a bottom view of the utility model micro tensile and compressive force sensing module.

[0020] In the drawing, the corresponding relationship between the component name and the drawing number is:

[0021] 10, rhombic elastic body structure; 11, first force applying shaft; 12, second force applying shaft; 13, strain gauge. DETAILED DESCRIPTION

[0022] The embodiment of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] Example:

[0024] As shown in the accompanying Figure 1 to the accompanying Figure 4 drawings:

[0025] The utility model provides a kind of micro pull pressure feeling module, the module includes rhombic elastomeric structure 10, rhombic elastomeric structure 10 when being subjected to external force, will be deformed, can effectively cooperate strain gauge 13, and rhombic elastomeric structure 10 can make the limited strain gauge 13 adhere available area maximization, can be used in more small pen barrel space, rhombic elastomeric structure 10 top is provided with through slot, rhombic elastomeric structure 10 top is provided with first force applying shaft 11, first force applying shaft 11 one end passes through through slot and is connected with rhombic elastomeric structure 10, when user writes, the force that first force applying shaft 11 applies to rhombic elastomeric structure 10 downwards, to make rhombic elastomeric structure 10 deformed, rhombic elastomeric structure 10 bottom is provided with recess, rhombic elastomeric structure 10 bottom is provided with second force applying shaft 12, and the end of second force applying shaft 12 close to first force applying shaft 11 is clamped in recess, when user writes, the force that second force applying shaft 12 applies to rhombic elastomeric structure 10 upwards, to make rhombic elastomeric structure 10 deformed, rhombic elastomeric structure 10 side is provided with strain gauge 13, strain gauge 13 can select the KFH series of OMEGA, the sensitivity of this series is higher, and measurement accuracy is better, strain gauge 13 is based on strain effect and is made, can real-time detect the force applied on rhombic elastomeric structure 10, when rhombic elastomeric structure 10 is subjected to external force and deformed, the bridge of strain gauge 13 being arranged in the side of rhombic elastomeric structure 10 changes, to make user can write on external mobile device.

[0026] The diameter of first force applying shaft 11 is 0.3mm, the diameter of second force applying shaft 12 is 0.5mm, the thickness of rhombic elastomeric structure 10 is 0.3-0.5mm, rhombic elastomeric structure 10 is stainless steel material, first force applying shaft 11 and second force applying shaft 12 are all made of stainless steel material, and stainless steel material has good corrosion resistance, and using stainless steel material can strengthen the durability of the module, and also can prolong the service life of the module.

[0027] The specific use and role of the embodiment are as follows: when the device is used, one end of the first force applying shaft 11 is passed through the through slot at the top of the rhombic elastic body structure 10, and the first force applying shaft 11 is fixedly connected with the rhombic elastic body structure 10, the second force applying shaft 12 is installed from the bottom of the rhombic elastic body structure 10, when installed, one end of the second force applying shaft 12 is clamped into the groove at the bottom of the rhombic elastic body structure 10, so that the second force applying shaft 12 is connected with the rhombic elastic body structure 10, then the strain gauge 13 is attached to one side of the rhombic elastic body structure 10, the rhombic elastic body structure 10 can maximize the usable area of the limited strain gauge 13, the module structure is simple, and the cost is low, so that it can be used in smaller pen barrel space, when the mold is assembled, the top of the first force applying shaft 11 is connected with the external pen body, the bottom of the second force applying shaft 12 is connected with the external pen point, when the user writes, the pressure of the pen point is transmitted to the first force applying shaft 11 and the second force applying shaft 12, the first force applying shaft 11 and the second force applying shaft 12 apply pressure to the rhombic elastic body structure 10 in the middle, at this time, the rhombic elastic body structure 10 is deformed under the pressure of the first force applying shaft 11 and the second force applying shaft 12, so that the bridge of the strain gauge 13 attached to one side of the rhombic elastic body structure 10 changes, so that the user can write smoothly on the external mobile device.

[0028] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications for specific use purposes.

Claims

1. A miniature tensile and compressive sensing module, characterized in that: The system includes a rhombic elastomer structure (10), which is made of stainless steel. The top of the rhombic elastomer structure (10) has a through groove, a first force-applying shaft (11) is provided on the top of the rhombic elastomer structure (10), a groove is provided on the bottom of the rhombic elastomer structure (10), a second force-applying shaft (12) is provided on the bottom of the rhombic elastomer structure (10), and a strain gauge (13) is provided on one side of the rhombic elastomer structure (10).

2. The miniature tensile and compressive sensing module as described in claim 1, characterized in that: One end of the first force-applying shaft (11) passes through the through groove and is connected to the rhombic elastic structure (10).

3. The miniature tensile and compressive sensing module as described in claim 2, characterized in that: The diameter of the first force-applying shaft (11) is 0.3 mm.

4. The miniature tensile and compressive sensing module as described in claim 1, characterized in that: The second force-applying shaft (12) is engaged in the groove at one end near the first force-applying shaft (11).

5. A miniature tensile and compressive sensing module as described in claim 4, characterized in that: The diameter of the second force-applying shaft (12) is 0.5 mm.

6. A miniature tensile and compressive sensing module as described in claim 1, characterized in that: Both the first force-applying shaft (11) and the second force-applying shaft (12) are made of stainless steel.

7. A miniature tensile and compressive sensing module as described in claim 1, characterized in that: The thickness of the rhombic elastomer structure (10) is 0.3-0.5 mm.

Images