CN219301765U

CN219301765U - Anti-toppling weighing sensor module easy to install and position

Info

Publication number: CN219301765U
Application number: CN202222985439.7U
Authority: CN
Inventors: 姚玉明; 刘培宇; 胡文辉; 柯建东
Original assignee: Zhengzhou Keli Sensor Technology Co ltd
Current assignee: Zhengzhou Keli Sensor Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-07-04
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses an anti-toppling weighing sensor module easy to install and position, which comprises an upper pressure head, a pressure type sensor and a lower base which are sequentially arranged from top to bottom, wherein the lower end of the pressure type sensor is fixed on the lower base, a frame-type fixing frame is arranged outside the pressure type sensor, the frame-type fixing frame comprises an upper end face for positioning the upper end of the pressure type sensor and a lower bottom plate for fixing the lower base, a connecting plate is arranged between the upper end face and the lower bottom plate, an elastic damping piece matched with the pressure type sensor is arranged in the upper end face, and the lower bottom plate, the connecting plate and the upper end face are of an integrated structure. The utility model has the advantages that the elastic damping piece realizes the inclination and the tilting resistance of the damping pressure type sensor by virtue of the elasticity of the elastic damping piece, so that the whole rollover prevention capability is good; the frame type fixing frame is of an integral structure, and the accuracy and the reliability are high when the positioning structure is arranged on the frame type fixing frame, so that the stress deformation does not exist, and the positioning and the mounting between the sensor and the frame type fixing frame are convenient.

Description

Anti-toppling weighing sensor module easy to install and position

Technical Field

The utility model relates to the technical field of weighing devices, in particular to an anti-toppling weighing sensor module easy to install and position.

Background

The current pressure type weighing sensor, especially column type sensor, S-shaped pressure type sensor or other pressure type sensor with swinging property is widely applied to various weighing devices and electronic weighing equipment such as various automobile scales, rail scales, ladle scales, axle weight scales, charging bucket scales and the like. The pressure sensor generally comprises an upper pressure head, a lower pressure head, an upper mounting plate, a lower mounting plate, a lateral pull rod and other connecting pieces. The pressure type sensor has compact structure, stable and reliable performance, good force value transmission directivity and excellent dynamic response performance, and is very suitable for manufacturing a high-precision sensor.

The multifunctional weighing sensor comprises a column-type elastomer, a shell positioned on the outer wall of the elastomer, a strain gauge arranged on the elastomer and a digital processing module connected with the strain gauge, so that the function expansion application is realized; the Chinese patent utility model 'column type weighing sensor' with patent number ZL200420020485.2 comprises column type elastic bodies, wherein resistance strain gauges are fixed on the surfaces of the column type elastic bodies, the resistance strain gauges form a certain Hui Tingsi bridge, the height-diameter ratio of the column type elastic bodies is 2-4, and the four resistance strain gauges are uniformly adhered on the surfaces of the middle parts of the column type elastic bodies. The sensor maintains the advantages of simple structure and easy manufacture of the traditional column type sensor, and can overcome the defect of low congenital measurement precision of the column type sensor, and achieve higher precision in the aspects of linearity, side resistance, torsion resistance, azimuth error and the like. The patent number is CN202220197282.9 Chinese utility model patent 'column type weighing module', including column type sensor, upper pressure head and base, its characterized in that: the lower extreme of base is fixed with down the connecting plate, is fixed with down the U type spare that can carry out 360 degrees fluctuation limits around to the column type sensor on the connecting plate, and square hole has been seted up to the up end central point of falling U type spare, and the upper end shaping of column type sensor has the square block structure of cutting edge with square hole complex four sides, and the lower extreme setting of column type sensor is on the base, and the upper end passes the square hole of falling U type spare and offsets with last pressure head, and the lower extreme of falling U type spare is fixed in the left and right sides of connecting plate down through welded mode.

However, the above-mentioned pressure type or column type weighing sensor is inconvenient to be integrally installed in use as in the existing column type sensor, and is easy to deflect or even topple over, so that the requirements on the limit of the weighing platform, the strength of the weighing platform and the strength of the foundation are high in the use process. The patent of column type weighing module has the description of preventing toppling, but the lower extreme of its U type spare is fixed in the left and right sides of lower connecting plate through the welding mode, can lead to U type spare and lower connecting plate to be difficult to the centering because of welding deformation in the actual processing, causes the central axis skew easily by itself, can lead to weld joint to weld the inefficacy because of rust or impact etc. in the use, is difficult to reliably solve the problem such as pressure sensor deflection.

Disclosure of Invention

In order to solve the technical problem, the application provides a weighing sensor module capable of preventing toppling and being easily installed and positioned, and is good in overall rollover preventing capability, rapid in installation during application, and convenient to install and position between a sensor and a support.

In order to achieve the above object, the present utility model proposes the following technical solutions.

The utility model provides a prevent empting weighing sensor module of easy installation location, including last pressure head, pressure sensor and the lower base that from the top down set gradually, pressure sensor's lower extreme is fixed on the lower base, pressure sensor is frame mount outward, and frame mount is equipped with the connecting plate including the up end that is used for fixing pressure sensor upper end and the lower plate that is used for fixed lower base between up end and the lower plate, is equipped with the elastic damping spare of cooperation pressure sensor in the up end, lower plate, connecting plate and up end structure as an organic whole.

The elastic damping piece realizes the inclination and the tilting resistance of the damping pressure type sensor by virtue of the elasticity of the elastic damping piece, so that the whole rollover prevention capability is good; the frame type fixing frame is of an integral structure, and the accuracy and the reliability are high when the positioning structure is arranged on the frame type fixing frame, so that the stress deformation does not exist, and the positioning and the mounting between the sensor and the frame type fixing frame are convenient.

Preferably, a dust cover is arranged on the outer side of the connection between the lower base and the pressure type sensor. The dust cover upper portion cover is in pressure type sensor periphery, and the lower part cover is in lower base periphery, avoids sand and dust, earth etc. to get into and influences pressure type sensor's stability.

Preferably, the two sides of the pressure sensor are provided with two symmetrical connecting plates, each connecting plate comprises an upper side plate and a lower side plate, the lower side plates are vertically connected with the lower bottom plate, the upper side plates are obliquely arranged on one side, close to the pressure sensor, of the lower side plates, and the connecting plates are provided with open groove holes. The lower side plate and the lower bottom plate are vertically connected, and the support stability after connection is higher than that of the general inclined connection; the upper side plate is obliquely arranged relative to the lower side plate towards the pressure type sensor, so that the upper end occupied surface of the frame-type fixing frame is reduced, the weighing sensor is convenient to install, and the purpose of saving materials is achieved compared with a vertical side plate; the open groove holes are convenient for wiring, and are convenient for application, installation and fixation of the module.

Preferably, the lower bottom plate is connected with the lower base through a connecting bolt, and a threaded hole corresponding to the connecting bolt is formed in the lower bottom plate. The lower bottom plate is connected with the lower base through the connecting bolt, so that the connection reliability is high, the connection is stable, and the disassembly and the assembly are convenient.

Preferably, the lower bottom plate is provided with connecting lug plates at two sides of the corresponding connecting plate respectively. The lower bottom plate and the external part are fixed through the connecting lug plate, and the frame-type fixing frame is integrally and conveniently fixed.

Preferably, a transition fillet is arranged between the upper side plate and the upper end face. Stress concentration between the upper side plate and the upper end face is avoided, and connection reliability between the upper side plate and the upper end face is guaranteed.

Preferably, the frame-type fixing frame is an integral stamping or bending forming structure. The frame type fixing frame is convenient to manufacture and form, stress deflection can not be formed in the forming process, the central axis deflection is avoided, the structural reliability after forming is high, and the position of a subsequent positioning component is convenient to determine.

Preferably, the elastic damping piece comprises an elastic inner ring and an elastic outer ring which are concentrically arranged at intervals, the upper ends of the elastic inner ring and the elastic outer ring are provided with connecting rings, and the outer ends of the connecting rings extend out of the elastic outer ring to form limiting rings.

The beneficial effects of the utility model are as follows: the whole anti-rollover device has the advantages of good anti-rollover capability, quick installation during application, convenience in installation and positioning between the sensor and the bracket, and suitability for metering occasions such as automobile scales, axle weight scales, charging bucket scales and the like.

Drawings

Fig. 1 is a schematic view of the structure of the utility model after a partial explosion.

Fig. 2 is an internal cross-sectional view of the present utility model.

Fig. 3 is a top view of the present utility model.

Fig. 4 is a left side view of fig. 3.

Fig. 5 is a schematic structural view of a frame-type fixing frame in the present utility model.

In the figure: the upper end face 41 of the lower base 3 frame type fixing frame 4 of the upper pressure head 2 of the pressure sensor 1 is provided with a locating hole 411, the upper side plate 422 of the lower side plate 421 of the side plate 42 is provided with an open groove hole 423 which is connected with the lug plate 424 and the connecting bolt 425, and the transition fillet 43 is provided with the threaded hole 51 of the lower bottom plate 5, the elastic inner ring 61, the elastic outer ring 62 and the limit ring 63 of the elastic damping piece 6 are provided with the dust cover 7.

Detailed Description

The utility model is further described below with reference to the drawings and the specific embodiments.

In the case of example 1,

as shown in fig. 1 to 5, a weighing sensor module capable of preventing toppling and being easily installed and positioned comprises an upper pressure head 2, a pressure sensor 1 and a lower base 3 which are sequentially arranged from top to bottom, wherein the lower end of the pressure sensor 1 is fixed on the lower base 3, a frame-shaped fixing frame 4 is arranged outside the pressure sensor 1, the frame-shaped fixing frame 4 comprises an upper end face 41 for positioning the upper end of the pressure sensor 1 and a lower base 5 for fixing the lower base 3, a connecting plate is arranged between the upper end face 41 and the lower base 5, an elastic damping piece 6 matched with the pressure sensor 1 is arranged in the upper end face 41, the elastic damping piece 6 comprises an elastic inner ring 61 and an elastic outer ring 62 which are concentrically arranged at intervals, the upper ends of the elastic inner ring 61 and the elastic outer ring 62 are provided with connecting rings, and the outer ends of the connecting rings extend out of the elastic outer ring 62 to form a limiting ring 63. The elastic inner ring 61 is in interference fit with the side surface of the upper end of the pressure type sensor 1, and the elastic outer ring 62 is in fit with a positioning hole 411 which is arranged in the upper end surface 41 and is used for being matched with the upper end of the pressure type sensor 1. The elastic damping member 6 is made of an elastic material such as rubber. The lower base plate 5, the connecting plate and the upper end face 41 are of an integral structure. The frame-shaped fixing frame 4 is formed by integral stamping or bending. The connecting plate is equipped with two of symmetry in the both sides of pressure sensor 1, and the connecting plate includes upper side plate 422 and lower side plate 421, and lower side plate 421 is connected perpendicularly with lower bottom plate 5, and upper side plate 422 is equipped with transition fillet 43 to the slope of the one side that lower side plate 421 is close to pressure sensor 1, is equipped with between upper side plate 422 and the up end 41. The connecting plate is provided with an open groove hole 423. The lower base plate 5 is provided with connection lugs 424 on both sides of the corresponding connection plate, respectively. The connecting plate is provided with a notch groove corresponding to the connecting lug plate 424, when the frame-type fixing frame 4 is bent and formed, the connecting lug plate 424 moves along with the lower bottom plate 5 in the bending process of the lower bottom plate 5, and the lower bottom plate 5 is in place and then is connected with the lug plate 424, so that the frame-type fixing frame is automatically formed. The lower base plate 5 is of a two-half structure, and the two-half lower base plate 5 is welded or just butted according to specific conditions. The lower base plate 5 is connected with the lower base plate 3 through a connecting bolt 425, and a threaded hole 51 corresponding to the connecting bolt 425 is formed in the lower base plate 5. The outer side of the connection of the lower base 3 and the pressure sensor 1 is provided with a dust cover 7. The upper portion of the dust cover 7 is sleeved on the periphery of the pressure type sensor 1, and the lower portion of the dust cover is sleeved on the periphery of the lower base 3, so that sand, dust, soil and the like are prevented from entering and affecting the stability of the pressure type sensor 1.

The anti-toppling weighing sensor module easy to install and position disclosed by the utility model has the advantages that the frame-shaped fixing frame 4 is of an integral structure, the axis position can be conveniently determined by bending or sheet metal forming, the position between the center of the upper end surface 41 and the lower bottom plate 5 after forming is not easy to deviate, and the setting reliability of the pressure type sensor 1 is ensured. The elastic damping piece 6 realizes the inclination and the tilting resistance of the damping pressure type sensor 1 by virtue of the elasticity of the elastic damping piece, so that the whole rollover prevention capacity is good, the installation is quick during application, the installation and the positioning between the sensor and the bracket are convenient, and the elastic damping piece is very suitable for metering occasions such as automobile scales, axle weight scales, charging bucket scales and the like.

Claims

1. The utility model provides a prevent empting weighing sensor module of easy installation location, characterized by, including last pressure head, pressure formula sensor and the lower base that from the top down set gradually, pressure formula sensor's lower extreme is fixed on the lower base, and pressure formula sensor is equipped with the frame mount outward, and the frame mount is equipped with the connecting plate including the up end that is used for locating pressure formula sensor upper end and the lower plate that is used for fixed the lower base between up end and the lower plate, is equipped with the elastic damping spare of cooperation pressure formula sensor in the up end, lower plate, connecting plate and up end structure as an organic whole.

2. The anti-toppling easily installed and positioned weighing sensor module according to claim 1, wherein a dust cover is arranged on the outer side of the connection between the lower base and the pressure type sensor.

3. The anti-toppling weighing sensor module easy to install and position according to claim 1, wherein two symmetrical connecting plates are arranged on two sides of the pressure type sensor, each connecting plate comprises an upper side plate and a lower side plate, the lower side plate is vertically connected with the lower bottom plate, the upper side plate is obliquely arranged on one side, close to the pressure type sensor, of the lower side plate, and an open groove hole is formed in each connecting plate.

4. The anti-toppling easily installed and positioned weighing sensor module according to claim 3, wherein the lower base plate is connected with the lower base through connecting bolts, and threaded holes corresponding to the connecting bolts are formed in the lower base plate.

5. The anti-toppling and easy-to-install positioning load cell module according to claim 3 or 4, wherein the lower base plate is provided with connecting lug plates at two sides of the corresponding connecting plate respectively.

6. A load cell module for anti-toppling easy installation and positioning according to claim 3, wherein a transition fillet is provided between the upper side plate and the upper end surface.

7. The anti-toppling easy-to-install and positioning load cell module of claim 1, wherein the frame-type fixing frame is an integral stamping or bending structure.

8. The anti-toppling weighing sensor module easy to install and position according to claim 1, wherein the elastic damping piece comprises an elastic inner ring and an elastic outer ring which are concentrically arranged at intervals, connecting rings are arranged at the upper ends of the elastic inner ring and the elastic outer ring, and the outer ends of the connecting rings extend out of the elastic outer ring to form a limiting ring.