CN215414134U

CN215414134U - Pressure resistance sensor with protective structure

Info

Publication number: CN215414134U
Application number: CN202121346612.8U
Authority: CN
Inventors: 何仑
Original assignee: Yangzhou Kedong Electronics Co ltd
Current assignee: Yangzhou Kedong Electronics Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-04
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a piezoresistance sensor with a protective structure, which comprises a force sensor body, wherein eight groups of buffer parts are uniformly arranged on the outer wall of the force sensor body at equal intervals, four groups of the eight groups of buffer parts are arranged at the upper part and the lower part of the force sensor body respectively, the eight groups of buffer parts are all vertically fixed with the outer wall of the force sensor body, four groups of elastic shock absorption pads are arranged on the periphery of the force sensor body and are respectively arranged on the eight groups of buffer parts, four groups of protective plates are arranged on the periphery of the four groups of elastic shock absorption pads in an aligned mode, and the four groups of protective plates are all fixedly connected with the buffer parts through screws. The piezoresistance sensor with the protection structure is provided with the protection plate, the elastic shock absorption pad and the buffer piece, so that the damage of collision and vibration to the force sensor body can be greatly reduced, the chromium carbide wear-resisting plate is arranged, the abrasion is reduced, the service life is prolonged, the protection plate and the buffer piece are fixed through screws, and the damaged protection plate is convenient to replace.

Description

Pressure resistance sensor with protective structure

Technical Field

The utility model relates to the field of force sensor protection equipment, in particular to a pressure resistance sensor with a protection structure.

Background

The piezoresistance sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, military industry, petrifaction, oil wells, electric power, ships, machine tools, pipelines and the like.

At present, common resistance to compression sensor's protective structure protective effect is unsatisfactory, when receiving the collision effect, resistance to compression sensor's shell suffers the extrusion easily and damaged and the collision can lead to it to take place vibrations, shakes the pine with internals easily or shakes badly, and then has influenced pressure sensor's life to lead to the fact not little economic loss for the user, bring very big inconvenience for the user, so we provide a resistance to compression sensor with protective structure.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a pressure resistance sensor with a protective structure, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a piezoresistance force sensor with protective structure, includes the force sensor body, the outer wall of force sensor body is that even equidistant eight bolster and eight each four group's settings about the bolster are equipped with, eight groups the bolster all with the outer wall vertical fixation of force sensor body, the periphery of force sensor body is equipped with four group's elasticity and inhales shake pad and four groups the elasticity is inhaled the shock pad and is installed respectively on eight group's bolster, four groups the periphery of elasticity is inhaled the shock pad and is alignd and be equipped with four group's guard plate and four groups the guard plate all passes through screw and bolster fixed connection.

Preferably, the protection plate comprises an arc-shaped plate, and a chromium carbide wear-resisting plate is fixed on the outer surface of the arc-shaped plate.

Preferably, the bolster is including an installation section of thick bamboo, the inner chamber of an installation section of thick bamboo is fixed with buffer spring just buffer spring's the other end and screw thread section of thick bamboo fixed connection, the screw thread section of thick bamboo is located the inner chamber of an installation section of thick bamboo, the inner chamber of a screw thread section of thick bamboo is equipped with the screw thread chamber, it is two sets of just to be the symmetry on the outer wall of a screw thread section of thick bamboo and is equipped with two sets of spacing draw runner and two sets of spacing draw runner all slides and sets up in being two sets of spouts that the symmetry set up on the installation section of thick bamboo inner chamber wall.

Preferably, an elastic sealing gasket is arranged on the outer wall of the threaded cylinder, and the outer wall of the elastic sealing gasket is abutted against the inner cavity wall of the mounting cylinder.

Preferably, movable gaps are arranged between two adjacent groups of the four groups of the protection plates and the four groups of the elastic shock absorption pads.

Preferably, four groups elasticity is inhaled and is shaken the pad and all cup jointed at the bolster through the through hole that is equipped with on it, elasticity is carefully inhaled the interior outer wall of inhaling the pad and is contacted with the outer wall of force transducer body and the inner wall of guard plate respectively, the thickness that elasticity is inhaled the shock pad is greater than the length of an installation section of thick bamboo.

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

1. be equipped with guard plate, elasticity and inhale shake pad and buffer, during the collision, the guard plate will with the collision surface contact, the guard plate can be to the direction of force sensor body and be the direction motion that extrudees buffer spring and elasticity and inhale the shake pad, inhale the shake pad through buffer spring and elasticity and collide and bump and shake, can greatly reduce the damage that collision and vibrations led to the fact the force sensor body.

2. The chromium carbide wear-resisting plate is fixed on the outer surface of the protection plate, abrasion between the chromium carbide wear-resisting plate and the collision surface due to friction is reduced, and the service life of the chromium carbide wear-resisting plate is prolonged.

3. The protection plate is fixed with the buffer piece through screws, so that the damage protection plate can be replaced conveniently.

Drawings

FIG. 1 is an overall structural view of a piezoresistance sensor with a protective structure according to the present invention;

FIG. 2 is an exploded view of the elastic shock absorbing pad and force sensor body of the pressure resistance sensor with a protective structure according to the present invention;

FIG. 3 is a disassembled structure diagram of a buffer member of the piezoresistive sensor with a protective structure according to the present invention;

FIG. 4 is a structural diagram of a protection plate of the piezoresistive sensor with a protection structure according to the utility model.

In the figure: 1. a force sensor body; 2. an elastic shock absorbing pad; 3. a screw; 4. a movable gap; 5. a protection plate; 51. an arc-shaped plate; 52. a chromium carbide wear plate; 6. a buffer member; 61. mounting the cylinder; 62. a limiting slide bar; 63. a buffer spring; 64. a chute; 65. a threaded barrel; 7. a through hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may 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 in specific cases to those skilled in the art.

As shown in fig. 1-4, a piezoresistive force sensor with a protection structure comprises a force sensor body 1, wherein eight groups of buffer members 6 are uniformly arranged on the outer wall of the force sensor body 1 at equal intervals, four groups of buffer members 6 are arranged on the upper portion and the lower portion of the eight groups of buffer members 6, the eight groups of buffer members 6 are vertically fixed with the outer wall of the force sensor body 1, four groups of elastic shock absorption pads 2 are arranged on the periphery of the force sensor body 1, the four groups of elastic shock absorption pads 2 are respectively arranged on the eight groups of buffer members 6, four groups of protection plates 5 are arranged on the periphery of the four groups of elastic shock absorption pads 2 in an aligned mode, and the four groups of protection plates 5 are fixedly connected with the buffer members 6 through screws 3.

The protection plate 5 comprises an arc-shaped plate 51, a chromium carbide wear-resisting plate 52 is fixed on the outer surface of the arc-shaped plate 51, and the abrasion of the chromium carbide wear-resisting plate 52 and an impact surface due to friction is reduced, so that the service life of the chromium carbide wear-resisting plate is prolonged.

Buffer 6 includes installation section of thick bamboo 61, the inner chamber of installation section of thick bamboo 61 is fixed with buffer spring 63 and buffer spring 63's the other end and screw thread section of thick bamboo 65 fixed connection, screw thread section of thick bamboo 65 is located the inner chamber of installation section of thick bamboo 61, the inner chamber of screw thread section of thick bamboo 65 is equipped with the screw thread chamber, it is equipped with two sets of spacing draw runner 62 and two sets of spacing draw runner 62 of symmetry all slides and sets up in two sets of spouts 64 that are the symmetry setting on the inner chamber wall of installation section of thick bamboo 61 to be on the outer wall of screw thread section of thick bamboo 65, it is fixed with screw thread section of thick bamboo 65 that guard plate 5 passes through screw 3, its spacing draw runner 62 can guarantee screw thread section of thick bamboo 65 not to rotate when screw 3 and screw thread section of thick bamboo 65 threaded fixation, and have certain supporting role to installation section of thick bamboo 65 through buffer spring 63, make screw thread section of thick bamboo 65 difficult removal in screw 3 installation, the installation of screw 3 of being convenient for.

The outer wall that the outer wall of screw thread section of thick bamboo 65 installed elastic sealing pad and elastic sealing pad wall inconsistent with the inner chamber wall of an installation section of thick bamboo 61, accessible elastic sealing pad is to the inner chamber of an installation section of thick bamboo 61, prevents that the buffer spring 63 in the installation section of thick bamboo 61 from being corroded by the moisture and leading to rustting, influences its buffering effect.

The four groups of protection plates 5 and the four groups of elastic shock absorption pads 2 are provided with movable gaps 4 between two adjacent groups of protection plates 5 and two adjacent groups of elastic shock absorption pads 2, so that the protection plates 5 can move and the elastic shock absorption pads 2 can deform conveniently.

Four groups elasticity inhale shake fill up 2 and all cup joint at bolster 6 through the through hole 7 that is equipped with on it, elasticity thin inhale the interior outer wall of shake fill up 2 respectively with the outer wall of force sensor body 1 and the inner wall contact of guard plate 5, the thickness that the elasticity inhaled shake fill up 2 is greater than the length of an installation section of thick bamboo 61, the elasticity inhale the length difference of shake fill up 2 thickness and an installation section of thick bamboo 61 be the elasticity inhale shake fill up 2 and prolong the biggest deformation volume that the installation section of thick bamboo 61 direction took place promptly.

It should be noted that, the utility model is a piezoresistive force sensor with a protective structure, when a force sensor body 1 is collided, a protective plate 5 of the piezoresistive force sensor is in contact with a collision surface, the protective plate 5 can move towards the force sensor body 1 in a direction of extruding a buffer spring 63 and an elastic shock absorption pad 2, collision buffering and shock reduction are performed through the buffer spring 63 and the elastic shock absorption pad 2, damage of collision and shock to the force sensor body 1 can be greatly reduced, a chromium carbide wear plate 52 is fixed on the outer surface of the protective plate 5, abrasion of the chromium carbide wear plate 52 and the collision surface due to friction is reduced, the service life of the chromium carbide wear plate is prolonged, the protective plate 5 and the buffer 6 are fixed through screws, and replacement of the damaged protective plate 5 is facilitated.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pressure resistance sensor with protective structure, includes force transducer body (1), its characterized in that: the outer wall of force sensor body (1) is even equidistant eight bolster (6) and eight each four group's settings from top to bottom of bolster (6) of being equipped with, eight groups bolster (6) all with the outer wall vertical fixation of force sensor body (1), the periphery of force sensor body (1) is equipped with four groups elasticity and inhales shake pad (2) and four groups elasticity and inhale shake pad (2) and install respectively on eight group bolster (6), four groups the periphery of elasticity is inhaled and is aimed at of shake pad (2) and is equipped with four groups guard plate (5) and four groups guard plate (5) all through screw (3) and bolster (6) fixed connection.

2. The piezoresistance sensor with a protective structure according to claim 1, wherein: the protection plate (5) comprises an arc-shaped plate (51), and a chromium carbide wear-resisting plate (52) is fixed on the outer surface of the arc-shaped plate (51).

3. The piezoresistance sensor with a protective structure according to claim 1, wherein: bolster (6) are including installation section of thick bamboo (61), the inner chamber of installation section of thick bamboo (61) is fixed with buffer spring (63) just the other end and the screw thread section of thick bamboo (65) fixed connection of buffer spring (63), screw thread section of thick bamboo (65) are located the inner chamber of installation section of thick bamboo (61), the inner chamber of screw thread section of thick bamboo (65) is equipped with the screw thread chamber, it is two sets of and that the symmetry is equipped with two sets of spacing draw runner (62) and two sets of to be on the outer wall of screw thread section of thick bamboo (65) spacing draw runner (62) all slide and set up in two sets of spout (64) that are the symmetry and set up on installation section of thick bamboo (61) inner chamber wall.

4. The piezoresistance sensor with a protective structure according to claim 3, wherein: an elastic sealing gasket is arranged on the outer wall of the threaded cylinder (65), and the outer wall of the elastic sealing gasket is abutted against the inner cavity wall of the mounting cylinder (61).

5. The piezoresistance sensor with a protective structure according to claim 1, wherein: four groups of protection plates (5) and four groups of elastic shock absorption pads (2) are provided with movable gaps (4) between two adjacent groups of protection plates (5) and two adjacent groups of elastic shock absorption pads (2).

6. The piezoresistance sensor with a protective structure according to claim 1, wherein: four groups elasticity is inhaled and is shaken pad (2) and all cup jointed at bolster (6) through hole (7) that are equipped with on it, elasticity is inhaled the contact of the interior outer wall of inhaling pad (2) with the outer wall of force transducer body (1) and the inner wall of guard plate (5) respectively, the thickness that elasticity was inhaled and is filled up (2) is greater than the length of an installation section of thick bamboo (61).