CN218566655U

CN218566655U - Electronic pressure gauge

Info

Publication number: CN218566655U
Application number: CN202222357796.9U
Authority: CN
Inventors: 姚小勇; 闵兴
Original assignee: Hangzhou Haoyi Import And Export Co ltd
Current assignee: Hangzhou Haoyi Import And Export Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-03-03
Anticipated expiration: 2032-09-06

Abstract

The utility model provides an electronic pressure gauge, including the casing with install forced induction subassembly and the supporting component in the casing, the lower extreme at the forced induction subassembly is installed to the supporting component, and the lower extreme of supporting component stretches out the casing setting, the sensor of forced induction subassembly and the rigidity of casing, the floating installation of supporting component is on the casing, the vehicle is exerted gravity and is given the big plane in top of casing, receive the action of gravity, the supporting component, produce certain displacement between the forced induction subassembly, make the forced induction subassembly receive the holding power of supporting component, the forced induction subassembly is responded to the holding power, and with responding to the information transmission who obtains in the display, each part of forced induction subassembly is fixed relative to the casing, the supporting component has certain activity space relative to the casing, prevent that the sensor from taking place relative movement in the pressure gauge use, prevent that the pressure test precision that the sensor displacement caused from descending.

Description

Electronic pressure gauge

Technical Field

The utility model belongs to the technical field of the weighing-appliance, concretely relates to electronic pressure gauge.

Background

The existing horizontal type convenient digital display pressure gauge for measuring the weight of a motor home or a large trailer has the following defects that (1) the existing pressure gauge usually uses two piezoelectric ceramic gravity sensors, the two sensors are distributed at two ends of a stress surface, so that the gap between the sensors is overlarge, when a heavy object is pressed at the central position, a steel plate placed on the sensors is easy to sink in the middle, the two ends tilt, on one hand, the number of the sensors is inaccurate, on the other hand, the steel plate deforms, the measured value is inaccurate in the subsequent use process, and the service life of a product is greatly shortened; (2) The bottom surface of the existing pressure device is mostly of a plane structure, so that the surface of the pressure device is not beneficial to the vehicle to press on the one hand, and when the surface of the pressure device is pressed on the other hand, the local pressure is large, and the pressure device is easy to damage.

Disclosure of Invention

Not enough more than to, the utility model aims to solve the technical problem that an electronic pressure gauge is provided, this electronic pressure gauge has stronger bearing capacity, and the atress is more even, measurement accuracy is higher.

In order to solve the technical problems, the utility model adopts the technical proposal that,

the utility model provides an electronic pressure gauge, includes the casing and installs forced induction subassembly and the supporting component in the casing, and the supporting component is installed at the lower extreme of forced induction subassembly, and the lower extreme of supporting component stretches out the casing setting, and the forced induction subassembly includes sensor, fixing base and atress board, and fixing base fixed mounting evenly installs a plurality of sensors between fixing base and the atress board on the atress board, and the supporting component is installed in the below of sensor.

As the utility model discloses a preferred scheme, the rigidity of sensor and casing, the supporting component is floating to be installed on the casing.

As a preferred scheme of the utility model, the shaping has the sensor chamber on the up end of fixing base, and the sensor is installed in the sensor intracavity, and the shaping has the support chamber that communicates with the sensor chamber on the lower terminal surface of fixing base, and supporting component installs at the support intracavity, sensor and supporting component adaptation.

As an optimized scheme of the utility model, the middle part fixedly connected with connecting plate in sensor chamber.

As the utility model discloses an optimal scheme, supporting component includes rubber pad and backup pad, backup pad and support chamber adaptation, and the rubber pad cover is established in the outside of backup pad.

As an optimal scheme of the utility model, the outside shaping of rubber pad has the joint step, and the rubber pad passes through the joint step and is connected with the support chamber.

As a preferred scheme of the utility model, supporting component's lower terminal surface is the arc surface.

As the utility model discloses a preferred scheme, the casing includes last casing and lower casing of mutual amalgamation, and the shaping has the limiting plate subassembly in the last casing, and the forced induction subassembly passes through the limiting plate unit mount in last casing, and the shaping has logical groove on the casing down, and it is external that the supporting component stretches out the inferior valve through leading to the groove.

As a preferred scheme of the utility model, install display, battery and sensor circuit board in the upper casing, sensor circuit board is connected with the sensor, and the display is connected with the circuit board, and the battery is connected with sensor, sensor circuit board and display respectively, installs the plug wire mouth on the upper casing.

As the utility model discloses an optimal scheme, limiting plate subassembly includes first limiting plate and second limiting plate, and first limiting plate fixed connection is in the middle part of last casing, and second limiting plate fixed connection is equipped with the circuit board clearance in the both sides of last casing between second limiting plate and the last casing edge, and sensor circuit board installs in the circuit board clearance.

The beneficial effects of the utility model are that, (1) the relative casing of each part of forced induction subassembly is fixed, and the relative casing of supporting component has certain activity space, guarantees the stability of forced induction subassembly, guarantees the response precision of forced induction subassembly to improve the gravity measurement accuracy of this pressure gauge.

(2) Through evenly setting up a plurality of sensors in the below of atress board, the atress of atress board is more even, and non-deformable is crooked, and product life is longer.

(3) The lower end face of the supporting component is an arc face, when the pressure of an automobile tire passes, the arc face enables the main body of the pressure gauge to incline for 8 to 10 degrees to form a slope for the tire, so that the tire can be easily pressed on the surface of the pressure gauge, and the main body can be protected to a certain extent.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an expanded schematic view of the present invention.

Fig. 3 is a schematic structural diagram of the fixing base.

Fig. 4 is a schematic view of the structure of fig. 3 after being rotated by a certain angle.

Fig. 5 is a schematic structural diagram of the connection of the pressure sensing set and the upper shell.

Fig. 6 is a partially enlarged view at a.

Fig. 7 is a schematic view of a rubber pad structure.

Reference numerals: the sensor comprises an upper shell 1, a first limiting plate 1-1, a second limiting plate 1-2, a lower shell 2, a through groove 2-1, a stress plate 3, a sensor circuit board 4, a sensor 5, a fixed seat 6, a sensor cavity 6-1, a supporting cavity 6-2, a connecting plate 6-3, a supporting plate 7, a rubber pad 8, a clamping step 8-1, a wire inserting port 10, a display 11 and a battery 12.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The utility model provides an electronic pressure gauge, including the casing with install forced induction subassembly and the supporting component in the casing, the lower extreme at the forced induction subassembly is installed to the supporting component, and the lower extreme of supporting component stretches out the casing setting, the sensor 5 of forced induction subassembly and the rigidity of casing, the floating installation of supporting component is on the casing, the vehicle is exerted gravity and is given the big plane in top of casing, receive the action of gravity, the supporting component, produce certain displacement between the forced induction subassembly, make the forced induction subassembly receive the holding power of supporting component, the forced induction subassembly is responded to the holding power, and with the information transmission that the response obtained in the display, each part of forced induction subassembly is fixed relative to the casing, the supporting component has certain activity space relative to the casing, prevent that the sensor from taking place relative movement in the pressure gauge use, prevent that the pressure test precision that the sensor displacement caused from descending.

The forced induction subassembly includes sensor 5, fixing base 6 and

atress board

3, and 6 fixed mounting of fixing base are on atress board 3, evenly install a plurality of sensors 5 between fixing base 6 and the atress board 3, and the supporting component is installed in the below of sensor 5, evenly sets up a plurality of sensors 5 through the below at

atress board

3, and 3 atress of atress board are more even, and non-deformable is crooked, and product life is longer.

The sensor cavity 6-1 is formed in the upper end face of the fixing seat 6, the sensor 5 is installed in the sensor cavity 6-1, the installation stability of the sensor 5 is guaranteed, the sensor 5 is prevented from being displaced in the using process, the supporting cavity 6-2 communicated with the sensor cavity 6-1 is formed in the lower end face of the fixing seat 6, the supporting component is installed in the supporting cavity 6-2, the sensor 5 is matched with the supporting component, supporting force is provided for the sensor 5 through the supporting component, and therefore the sensor 5 can conveniently sense gravity.

In this embodiment, the fixing seat 6 is installed on the stress plate 3 through a screw, so as to fix the sensor 5, and the lower end of the sensor 5 extends into the supporting cavity 6-2, so that the supporting component can provide supporting force for the sensor 5, so that the sensor 5 deforms, and the sensor 5 calculates corresponding deformation pressure according to the deformation amount of the sensor.

The middle part of the sensor cavity 6-1 is fixedly connected with a connecting plate 6-3, and the sensor cavity 6-1 is isolated through the arrangement of the connecting plate 6-3, so that the sensor 5 is stably arranged in the sensor cavity 6-1.

The supporting component comprises a rubber pad 8 and a supporting plate 7, the rubber pad 8 is sleeved on the outer side of the supporting plate 7, the supporting plate 7 is matched with the supporting cavity 6-2, namely, the supporting plate 7 is installed in the supporting cavity 6-2 through the rubber pad 8, and the rubber pad 8 has certain deformation capacity, so that the supporting plate 7 is conveniently and movably installed in the supporting cavity 6-2.

The lower end face of the supporting component is an arc face, namely, the lower end faces of the rubber pad 8 and the supporting plate 7 are arc faces, when the automobile tire passes, the arc faces can enable the main body of the pressure gauge to incline for 8 to 10 degrees to give a slope to the tire, so that the tire can be easily pressed on the surface of the pressure gauge, and the main body can be protected to a certain degree.

The clamping step 8-1 is formed on the outer side of the rubber pad 8, the rubber pad 8 is connected with the supporting cavity 6-2 through the clamping step 8-1, the sealing performance of the rubber pad 8 and the fixing seat 6 is guaranteed, water is prevented from entering the pressure gauge, and therefore the service life of the pressure gauge is further guaranteed.

The shell comprises an upper shell 1 and a lower shell 2 which are spliced with each other, a limiting plate assembly is formed in the upper shell 1, the pressure sensing assembly is installed in the upper shell 1 through the limiting plate assembly, namely, the stress plate 3 and the fixing seat 6 are installed in the upper shell 1 through the limiting plate assembly, a through groove 2-1 is formed in the lower shell 2, and the supporting assembly extends out of the lower shell 2 through the through groove 2-1 to facilitate the relative movement of the supporting assembly with respect to the shell.

In order to display the measurement result of the pressure gauge conveniently, a display 11, a battery 12 and a sensor circuit board 4 are installed in the upper shell 1, the sensor circuit board 4 is connected with the sensor 5, the display 11 is connected with the circuit board, the battery 12 is respectively connected with the sensor 5, the sensor circuit board 4 and the display 11, a plug wire port 10 is installed on the upper shell 1, the plug wire port 10 is connected with the battery 12, and through the arrangement of the type-c plug wire port 10, the long-time traveling can be realized without power failure, and the pressure gauge can be used by charging at any time.

In order to fix the pressure sensing assembly and the sensor circuit board 4 at the same time conveniently, the limiting plate assembly comprises a first limiting plate 1-1 and a second limiting plate 1-2, the first limiting plate 1-1 is fixedly connected to the middle of the upper shell 1, the second limiting plate 1-2 is fixedly connected to two sides of the upper shell 1, a circuit board gap is arranged between the second limiting plate 1-2 and the edge of the upper shell 1, and the sensor circuit board 4 is installed in the circuit board gap.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides an electronic pressure gauge, a serial communication port, including the casing with install forced induction subassembly and the supporting component in the casing, the supporting component is installed at the lower extreme of forced induction subassembly, and the lower extreme of supporting component stretches out the casing setting, the forced induction subassembly includes sensor (5), fixing base (6) and atress board (3), fixing base (6) fixed mounting is on atress board (3), evenly install a plurality of sensors (5) between fixing base (6) and atress board (3), the supporting component is installed in the below of sensor (5).

2. An electronic pressure gauge according to claim 1, wherein the sensor (5) is fixed in position with the housing, and the support member is float-mounted on the housing.

3. The electronic pressure gauge according to claim 1, wherein a sensor cavity (6-1) is formed on the upper end face of the fixed seat (6), the sensor (5) is installed in the sensor cavity (6-1), a support cavity (6-2) communicated with the sensor cavity (6-1) is formed on the lower end face of the fixed seat (6), the support component is installed in the support cavity (6-2), and the sensor (5) is matched with the support component.

4. An electronic pressure unit according to claim 3, characterized in that the middle of the sensor chamber (6-1) is fixedly connected with a connection plate (6-3).

5. An electronic pressure gauge according to claim 3, wherein the supporting member comprises a rubber pad (8) and a supporting plate (7), the supporting plate (7) is fitted into the supporting cavity (6-2), and the rubber pad (8) is fitted over the outer side of the supporting plate (7).

6. An electronic pressure gauge according to claim 5, wherein the rubber pad (8) is formed with a snap-fit step (8-1) on the outer side, and the rubber pad (8) is connected to the support cavity (6-2) through the snap-fit step (8-1).

7. The electronic pressure gauge according to claim 1, wherein the lower end surface of the support member is a circular arc surface.

8. The electronic pressure device according to claim 1, wherein the housing comprises an upper housing (1) and a lower housing (2) which are spliced with each other, a limiting plate assembly is formed in the upper housing (1), the pressure sensing assembly is mounted in the upper housing (1) through the limiting plate assembly, a through groove (2-1) is formed in the lower housing (2), and the supporting assembly extends out of the lower housing (2) through the through groove (2-1).

9. The electronic pressure gauge according to claim 8, wherein the upper housing (1) is provided therein with a display (11), a battery (12) and a sensor circuit board (4), the sensor circuit board (4) is connected to the sensor (5), the display (11) is connected to the circuit board, the battery (12) is connected to the sensor (5), the sensor circuit board (4) and the display (11), and the upper housing (1) is provided thereon with a plug-in port (10).

10. The electronic pressure gauge according to claim 9, wherein the limiting plate assembly comprises a first limiting plate (1-1) and a second limiting plate (1-2), the first limiting plate (1-1) is fixedly connected to the middle of the upper casing (1), the second limiting plate (1-2) is fixedly connected to both sides of the upper casing (1), a circuit board gap is formed between the second limiting plate (1-2) and the edge of the upper casing (1), and the sensor circuit board (4) is installed in the circuit board gap.