CN210346985U

CN210346985U - Mechanical pressure transducer protection device

Info

Publication number: CN210346985U
Application number: CN201920920676.0U
Authority: CN
Inventors: 刘玉梅
Original assignee: Dongguan Kairui Electronic Automation Technology Co ltd
Current assignee: Dongguan Kairui Electronic Automation Technology Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-17
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a mechanical type pressure sensor protection device, including the spring fixing base, spring fixing base one end is fixed with the spring and the other end of spring is connected with first weight, the other end of first weight is equipped with first magnet and first magnet outer wall runs through there is the fixing base, the fixing base inner wall is equipped with the second weight and the other end of second weight is connected with pressure sensor. This mechanical type pressure sensor protection device is provided with the protective sheath of hollow structure, such design makes things convenient for the protective sheath can play the guard action to the pressure sensor that its inside was equipped with, and the protective sheath is exquisite small and exquisite, so that can hold a plurality of pressure sensor simultaneously in very little space, be provided with pressure sensor and connector simultaneously and be electric connection, such design makes things convenient for pressure sensor to spread dynamics data through the electric wire after receiving pressure, leading-in to the connector, with data upload to the computer, judge the size of test dynamics.

Description

Mechanical pressure transducer protection device

Technical Field

The utility model relates to a keyboard button technical field specifically is a mechanical type pressure sensor protection device.

Background

Due to the great popularization of computers, people mostly carry out man-machine conversation through a keyboard, the quality requirement of the used keyboard is improved, whether the functional hand feeling of the keys of the keyboard is good or not is directly related to whether the input information is accurate or not and the service life of the keyboard. Therefore, when a manufacturer produces a product, the physical testing of the keyboard keys is required, the existing detection technology realizes the output of the rebounding force of the keys through the force sensor, the data acquisition card acquires the rebounding force of the force sensor on the keyboard keys for testing, namely, the data acquisition card acquires the rebounding force of the force sensor on the keyboard keys, the computer software testing system analyzes and processes the acquired data, and the conclusion whether the product is qualified or not is obtained according to the data. However, in the detection process, because the force sensor needs to ensure high sensitivity, a high-precision force sensor needs to be used, the force sensor is easy to expose outside, and is easy to collide to cause damage, so that the problem of protection needs to be solved by using the force sensor.

Disclosure of Invention

An object of the utility model is to provide a mechanical type pressure sensor protection device to solve the mechanical type pressure sensor on the existing market that above-mentioned background art provided because the dynamics sensor will guarantee high sensitivity, must use high-accuracy dynamics sensor, thereby cause the dynamics sensing to expose in the outside easily, the very easy collision causes the problem of damage.

In order to achieve the above object, the utility model provides a following technical scheme: a mechanical pressure transducer protection device comprises a spring fixing seat, wherein one end of the spring fixing seat is fixed with a spring, the other end of the spring is connected with a first weight, the other end of the first weight is provided with a first magnet, the outer wall of the first magnet penetrates through the fixing seat, the inner wall of the fixing seat is provided with a second weight, the other end of the second weight is connected with a pressure sensor, the other end of the pressure sensor is fixed with a second magnet, the second magnet is fixed on a limiting block, the limiting block is connected with a connecting rod and a knocking head, wherein,

keep away from first weight one side of fixing base is fixed with the connector, second weight, pressure sensor, second magnet, stopper and connecting rod are all fixed in the protective sheath.

Preferably, the spring fixing seat is of an inverted L-shaped structure, the spring fixing seat and the first weight form a telescopic structure through the spring, and the width of the first weight is larger than that of the first magnet.

Preferably, a rectangular through hole structure is formed in the fixing seat, the second weight is connected with the first weight through the through hole structure formed in the fixing seat, and the length and width of the inside of the through hole structure in the fixing seat are larger than those of the outside of the second weight and the first weight.

Preferably, the pressure sensor is connected with the limiting block through the second magnet, and the length and the width of the limiting block are larger than those of the pressure sensor.

Preferably, the pressure sensor and the connector are electrically connected through a wire.

Preferably, the interior of the protective sleeve is of a hollow structure, and one end of the protective sleeve and the fixed seat form a fixed integrated structure through a bolt.

Compared with the prior art, the beneficial effects of the utility model are that: this mechanical type pressure transducer protection device:

1. the protective sleeve with a hollow structure is arranged, so that the protective sleeve can protect the pressure sensors arranged in the protective sleeve conveniently, and the protective sleeve is exquisite and small, so that a plurality of pressure sensors can be accommodated in a small space conveniently;

2. the pressure sensor is electrically connected with the connector, so that the pressure sensor can transmit force data through an electric wire after receiving pressure, the force data is guided into the connector, the data is uploaded to a computer, and the magnitude of the testing force is judged;

3. be provided with pressure sensor and be connected with the stopper through second magnet, when such design makes things convenient for second magnet to pass through stopper and connecting rod, the connecting rod passes through second magnet and is connected with pressure sensor, and the person of facilitating the use can the connecting rod get put more convenient and can drop when the striking, plays protection pressure sensor.

Drawings

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

FIG. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic view of the internal planar structure of the present invention.

In the figure: 1. spring fixing base, 2, spring, 3, first weight, 4, first magnet, 5, fixing base, 6, second weight, 7, pressure sensor, 8, second magnet, 9, stopper, 10, connecting rod, 11, strike the head, 12, protective sheath, 13, connector.

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, the present invention provides a technical solution: a mechanical pressure transducer protection device comprises a spring fixing seat 1, a spring 2, a first weight 3, a first magnet 4, a fixing seat 5, a second weight 6, a pressure sensor 7, a second magnet 8, a limiting block 9, a connecting rod 10, a knocking head 11, a protective sleeve 12 and a connector 13, wherein the spring 2 is fixed at one end of the spring fixing seat 1, the first weight 3 is connected with the other end of the spring 2, the spring fixing seat 1 is of an inverted L-shaped structure, the spring fixing seat 1 and the first weight 3 form a telescopic structure through the spring 2, the width of the first weight 3 is larger than that of the first magnet 4, the spring fixing seat 1 and the first weight 3 of the inverted L-shaped structure can vertically stretch through the spring 2, and therefore when a test head applies pressure to the spring 2 through the spring fixing seat 1, the first weight 3 can move towards the second weight 6 through the first magnet 4, the other end of the first weight 3 is provided with a first magnet 4, the outer wall of the first magnet 4 penetrates through a fixed seat 5, a rectangular through hole structure is formed in the fixed seat 5, the second weight 6 is connected with the first weight 3 through the through hole structure formed in the fixed seat 5, the length and width inside the through hole structure formed in the fixed seat 5 are larger than the length and width outside the second weight 6 and the first weight 3, the design facilitates the connection between the second weight 6 and the first weight 3 through the through hole structure formed in the fixed seat 5, so that the pressure is applied to the direction of the second weight 6 after the first weight 3 is stressed, the fixed seat 5 is ensured to be wrapped outside the first weight 3 and the second weight 6, the first weight 3 and the second weight 6 are protected to be connected through the first magnet 4, the inner wall of the fixed seat 5 is provided with the second weight 6, and the other end of the second weight 6 is connected with a pressure sensor 7, the pressure sensor 7 is connected with the limiting block 9 through the second magnet 8, the length and the width of the limiting block 9 are larger than those of the pressure sensor 7, the structure enables the pressure sensor 7 to be more convenient to take and place through the design of the second magnet 8 and the limiting block 9, the connecting rod 10 is connected with the pressure sensor 7 through the second magnet 8, the limiting block 9 is placed below the pressure sensor 7, the pressure sensor 7 is prevented from being damaged once the force applied to the pressure sensor 7 exceeds the force measuring stroke, the pressure sensor 7 is electrically connected with the connector 13 through an electric wire, the design is convenient for the pressure sensor 7 to transmit force data through the electric wire after receiving pressure, the force data are guided into the connector 13 and are uploaded to a computer to judge the magnitude of the testing force, the second magnet 8 is fixed at the other end of the pressure sensor 7, and the second magnet 8 is fixed on the limiting block 9, the limiting block 9 is connected with a connecting rod 10 and a knocking head 11, wherein,

keep away from first weight 3 one side of fixing base 5 is fixed with connector 13, second weight 6, pressure sensor 7, second magnet 8, stopper 9 and connecting rod 10 are all fixed in protective sheath 12, the inside hollow structure that is of protective sheath 12, and protective sheath 12 one end passes through the bolt and constitutes fixed integrative structure with fixing base 5, and this structure can make pressure sensor 7 place in hollow structure's protective sheath 12, and protective sheath 12 is connected with fixing base 5, makes protective sheath 12 can play the guard action to pressure sensor 7 to protective sheath 12 is exquisite small and exquisite, holds a plurality of pressure sensor 7 simultaneously in very little space with the convenience.

The working principle is as follows: when the mechanical pressure sensor protector is used, firstly, a user can place the pressure sensor 7 in the protective sleeve 12, when a keyboard key presses the spring 2 through the spring fixing seat 1, because the first weight 3 is connected with the second weight 6 through the first magnet 4, when the gravity of the keyboard key moves downwards, the second weight 6 presses the pressure sensor 7 on the fixing seat 5, and a limit block 9 is placed below the pressure sensor 7, because the pressure sensor 7 is very sensitive to the force, once the force measuring stroke is exceeded, the pressure sensor 7 can be damaged, the protection of the pressure sensor 7 is increased, the pressure sensor 7 can be effectively protected during the pressing and moving processes of the pressure sensor 7, and because the connecting rod 10 is connected to the pressure sensor 7, the pressure sensor 7 is pressed after the testing head is stressed, the pressure sensor 7 forms pressure, the pressure sensor 7 transmits force data through an electric wire after receiving the pressure, the force data are guided into the connector 13, the data are uploaded to a computer, the magnitude of the tested force is judged, meanwhile, the connecting rod 10 is connected with the pressure sensor 7 through the second magnet 8, the taking and the placing are more convenient, and the content which is not described in detail in the description belongs to the prior art which is known by professionals in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a mechanical type pressure transducer protection device, includes spring fixing base (1), its characterized in that: the spring fixing seat is characterized in that one end of the spring fixing seat (1) is fixed with a spring (2), the other end of the spring (2) is connected with a first weight (3), the other end of the first weight (3) is provided with a first magnet (4), the outer wall of the first magnet (4) penetrates through the fixing seat (5), the inner wall of the fixing seat (5) is provided with a second weight (6), the other end of the second weight (6) is connected with a pressure sensor (7), the other end of the pressure sensor (7) is fixed with a second magnet (8), the second magnet (8) is fixed on a limiting block (9), the limiting block (9) is connected with a connecting rod (10) and a knocking head (11), wherein,

keep away from first weight (3) one side of fixing base (5) is fixed with connector (13), second weight (6), pressure sensor (7), second magnet (8), stopper (9) and connecting rod (10) are all fixed in protective sheath (12).

2. The mechanical pressure transducer protector of claim 1, wherein: spring fixing base (1) is "L" font structure of falling, and spring fixing base (1) constitutes extending structure through spring (2) and first weight (3) to the width of first weight (3) is greater than the width of first magnet (4).

3. The mechanical pressure transducer protector of claim 1, wherein: the rectangular through hole structure is formed in the fixing seat (5), the second weight (6) is connected with the first weight (3) through the through hole structure formed in the fixing seat (5), and the length and width of the inside of the through hole structure in the fixing seat (5) are larger than those of the outside of the second weight (6) and the first weight (3).

4. The mechanical pressure transducer protector of claim 1, wherein: the pressure sensor (7) is connected with the limiting block (9) through the second magnet (8), and the length and the width of the limiting block (9) are larger than those of the pressure sensor (7).

5. The mechanical pressure transducer protector of claim 1, wherein: the pressure sensor (7) is electrically connected with the connector (13) through an electric wire.

6. The mechanical pressure transducer protector of claim 1, wherein: the interior of the protective sleeve (12) is of a hollow structure, and one end of the protective sleeve (12) and the fixed seat (5) form a fixed integrated structure through a bolt.