CN215639889U

CN215639889U - High-thrust force-sensitive sensor

Info

Publication number: CN215639889U
Application number: CN202121886264.3U
Authority: CN
Inventors: 周竞涛; 刘海波; 陈瑞龙
Original assignee: Guangzhou Zhigong Control Technology Co ltd
Current assignee: Guangzhou Zhigong Control Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-25
Anticipated expiration: 2031-08-12

Abstract

The utility model provides a high-thrust force-sensitive sensor which comprises a connector, a limiting block, an upper shell, an elastic beam, a base, a pressing block, a circuit board and a lower shell, wherein the connector is arranged on the upper shell; the connector comprises a base and a connecting part arranged on the base, the base is contained in the upper shell, and the connecting part protrudes out of the upper shell; the side surface of the limiting block is provided with at least two limiting bulges, at least two grooves matched with the limiting bulges are formed in the upper shell, the limiting block is arranged in the upper shell, and the limiting block is fixedly connected with the connecting head; the elastic beam is fixedly arranged in the base, the upper end of the elastic beam is abutted against the limiting block, the lower end of the elastic beam is abutted against the pressing block, and the limiting block, the elastic beam and the pressing block are sequentially connected through a fixing device and fixedly arranged on the bottom surface of the base; at least one sensing wire is fixedly arranged on the elastic beam.

Description

High-thrust force-sensitive sensor

Technical Field

The utility model relates to the field of mechanical control, in particular to a high-thrust force-sensitive sensor.

Background

The force-sensitive sensor is a conversion device for converting mechanical quantities such as stress, pressure and the like into electric signals, and comprises a plurality of forms such as a resistance type, a capacitance type, an inductance type, a piezoelectric type, a current type and the like; at present, force-sensitive sensors are widely applied to various industrial production and control environments, but general force-sensitive sensors are easily damaged to application environments with large instantaneous impact in order to guarantee response precision, and then errors and even error output are generated.

SUMMERY OF THE UTILITY MODEL

The high-thrust force-sensitive sensor provided by the utility model is suitable for application scenes with large vibration impact.

The utility model adopts the following technical scheme for realizing the purpose:

the utility model provides a high-thrust force-sensitive sensor which comprises a connector, a limiting block, an upper shell, an elastic beam, a base, a pressing block, a circuit board and a lower shell, wherein the connector is arranged on the upper shell;

the connector comprises a base and a connecting part arranged on the base, the base is contained in the upper shell, and the connecting part protrudes out of the upper shell; the side surface of the limiting block is provided with at least two limiting bulges, at least two grooves matched with the limiting bulges are formed in the upper shell, the limiting block is arranged in the upper shell, and the limiting block is fixedly connected with the connecting head;

the elastic beam is fixedly arranged in the base, the upper end of the elastic beam is abutted against the limiting block, the lower end of the elastic beam is abutted against the pressing block, and the limiting block, the elastic beam and the pressing block are sequentially connected through a fixing device and fixedly arranged on the bottom surface of the base; at least one sensing wire is fixedly arranged on the elastic beam;

the circuit board is arranged in the lower shell; the circuit board is electrically connected with the sensing wire;

the upper shell, the base and the lower shell are fixedly connected in sequence.

In an embodiment of the present invention, the elastic beam includes a cross-shaped elastic sheet and two elastic cushion blocks;

the tail ends of four long arms of the cross-shaped elastic piece are fixed on the base; at least one sensing wire is fixed on each of the four long arms of the cross-shaped elastic sheet, and the elastic cushion block is fixedly arranged at the centers of the upper surface and the lower surface of the cross-shaped elastic sheet; the elastic cushion block arranged on the cross elastic sheet is abutted against the limiting block, and the elastic cushion block arranged below the cross elastic sheet is abutted against the pressing block.

In an embodiment of the present invention, an extension ring is disposed outside the base, and at least two fixing holes are disposed on the extension ring.

In an embodiment of the utility model, at least two mounting holes are arranged on a side surface of the connecting portion of the connector.

The utility model has the beneficial effects that:

the utility model provides a high-thrust force-sensitive sensor which can adapt to an application scene with larger vibration impact and has the advantages of accurate reset, small midpoint dead zone, no error output and the like.

Drawings

FIG. 1 is a schematic cross-sectional view of a high thrust force sensor in accordance with an embodiment of the present invention;

fig. 2 is a schematic diagram of an exploded structure of a high thrust force sensor according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein the exemplary embodiments and descriptions are only used for explaining the present invention, but not for limiting the present invention.

It should be noted that, in the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model provides a high-thrust force-sensitive sensor, which comprises a connector 1, a limiting block 2, an upper shell 3, an elastic beam, a base 6, a pressing block 7, a circuit board 8 and a lower shell 9 in one specific embodiment of the utility model as shown in figures 1 and 2;

the connector 1 comprises a base and a connecting part arranged on the base, the base is accommodated in the upper shell 3, and the connecting part protrudes out of the upper shell 3; the side surface of the limiting block 2 is provided with at least two limiting bulges, at least two grooves matched with the limiting bulges are formed in the upper shell 3, the limiting block 2 is arranged in the upper shell 3, and the limiting block 2 is fixedly connected with the connector 1;

the elastic beam is fixedly arranged in the base 6, the upper end of the elastic beam is abutted against the limiting block 2, the lower end of the elastic beam is abutted against the pressing block 7, and the limiting block 2, the elastic beam and the pressing block 7 are sequentially connected through a fixing device and fixedly arranged on the bottom surface of the base 6; at least one sensing wire is fixedly arranged on the elastic beam;

the circuit board 8 is arranged in the lower shell 9; the circuit board 8 is electrically connected with the sensing wire;

the upper shell 3, the base 6 and the lower shell 9 are fixedly connected in sequence;

the elastic beam comprises a cross-shaped elastic sheet 5 and two elastic cushion blocks 4;

wherein, the tail ends of four long arms of the cross-shaped elastic sheet 5 are fixed on the base 6; at least one sensing wire is fixed on each of the four long arms of the cross-shaped elastic piece 5, and the elastic cushion block 4 is fixedly arranged at the centers of the upper surface and the lower surface of the cross-shaped elastic piece 5; the elastic cushion block 4 arranged on the cross elastic sheet 5 is abutted against the limiting block 2, and the elastic cushion block 4 arranged on the lower surface of the cross elastic sheet 5 is abutted against the pressing block 7.

In an embodiment of the present invention, an extension ring is disposed outside the base 6, and at least two fixing holes are disposed on the extension ring.

In an embodiment of the present invention, at least two mounting holes are disposed on a side surface of the connecting portion of the connector 1.

It should be understood that the above examples are only for clearly showing the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. It will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made herein without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. A high-thrust force-sensitive sensor is characterized by comprising a connector, a limiting block, an upper shell, an elastic beam, a base, a pressing block, a circuit board and a lower shell;

2. The high thrust force sensor of claim 1, wherein said spring beam comprises a cross spring and two spring pads;

3. The high thrust force sensor according to claim 1, wherein an extension ring is disposed outside said base, said extension ring having at least two fastening holes disposed therein.

4. The high thrust force sensor according to claim 1, wherein the connecting portion of said connecting head is provided with at least two mounting holes on its side.