CN219869952U - Modularized weighing sensor - Google Patents

Abstract

The utility model discloses a modularized weighing sensor, which comprises a pressure type sensor, wherein an upper pressure head and a lower base are respectively matched with the upper end and the lower end of the pressure type sensor, a four-face mask bracket is arranged outside the pressure type sensor, the four-face mask bracket comprises an upper end face and four side plates corresponding to the four sides of the upper end face, the lower ends of the four side plates are commonly connected with a lower bottom plate, the lower bottom plate is provided with a mounting hole corresponding to the lower base, and the upper end face is provided with a positioning hole corresponding to the upper end of the pressure type sensor. The utility model has the advantages of compact and reliable structure, stability and firmness, damping and anti-tilting of the sensor, quick installation during application, anti-tilting of the whole module, difficult overturning of the weighing apparatus carrier caused by lateral force, and suitability for metering occasions such as automobile scales, axle weight scales, charging bucket scales and the like.

Description

Modularized weighing sensor

Technical Field

The utility model relates to a weighing device, in particular to a modularized weighing sensor.

Background

The column type sensor is widely applied in weighing equipment and generally comprises an upper pressure head, a lower pressure head, an upper mounting plate, a lower mounting plate, a lateral pull rod and the like, the column type sensor is compact in structure and good in dynamic response performance, but because the whole gravity center of the column type sensor is high in use and easy to topple, the column type sensor needs to be matched with a bracket for application, and the sensor and the bracket are combined to form a module structure in the prior art, so that the column type sensor has an application trend.

For example, in chinese patent literature, patent number CN2021221334328 is a post type weighing sensor module of preventing that 25 days of 2022 1 month authorized bulletin, including post type sensor, last pressure head and base, the lower extreme fixed connection lower junction board of base sets up down the U type spare on the lower junction board, and the upper end of down the U type spare sets up the central round hole in order to fix a position the upper end of post type sensor, accomplishes the spacing direction to post type sensor through down U type spare and lower junction board, avoids the post type sensor to empty. The defects are that: 1. the inverted U-shaped piece can only provide opposite supports at two positions, the two directions corresponding to the two sides of the inverted U-shaped piece lack support limit, the situation that the whole inverted U-shaped piece is easy to deform and topple exists, and the support effect is not reliable enough; 2. the inverted U-shaped piece where the central round hole is located is a rigid component, the elasticity is lacking, when the column type sensor is subjected to transverse force, buffering is lacking, two ends of the column type sensor are easily damaged due to the transverse force, the service life of the column type sensor is influenced, and the reliability of a measuring result is influenced.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a modularized weighing sensor which can realize the integrated application of the sensor, has a stable structure and strong anti-roll capability.

Another object of the utility model is to provide cushioning and elasticity for the lateral direction of the column sensor, ensuring the reliability of the sensor application.

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

The utility model provides a modularization weighing sensor, includes pressure type sensor, and pressure type sensor's upper and lower both ends cooperation respectively are equipped with pressure head and lower base, and pressure type sensor is four face guard support outward, and four face guard support includes up end and corresponds four curb plates on four sides of up end, and the lower extreme of four curb plates is connected with the underfloor jointly, is equipped with the mounting hole that corresponds the lower base on the underfloor, is equipped with the locating hole that corresponds pressure type sensor upper end on the up end.

The pressure type sensor is a column type sensor in a vertically arranged pressed form, the four-sided cover bracket is matched with the lower bottom plate to realize modularized integration of the pressure type sensor, and weighing application of the sensor is facilitated; the four-sided cover support has reliable supporting effect on four side plates of the pressure type sensor, the anti-rolling capacity is extremely strong, and compared with the existing weighing sensor, the modularized weighing sensor is better in integrity.

Preferably, an elastic damping member is provided between the pressure sensor and the upper end surface. By means of the elastic damping effect, the pressure type sensor can swing freely and accurately, but cannot topple over, and the transverse stress of the pressure type sensor can be buffered to improve the application reliability of the sensor.

Preferably, a dust cover is arranged on the outer side of the connection between the lower base and the pressure type sensor. The housing structure of the dust cover has certain elasticity, the upper end of the dust cover is connected with the pressure type sensor, and the lower end of the dust cover is connected with the lower base, so that the sensor and the lower base form a flexible unit, the dust cover has a dust-proof effect, the vertical resetting capability of the pressure type sensor is greatly improved, and the function of assisting the elastic damping piece is achieved.

Preferably, the four side plates have the same shape, the side plates are folded plate-shaped, each side plate comprises a lower side plate fixedly connected with the lower bottom plate and an upper side plate connected with the upper end surface, the lower side plate is vertically connected with the lower bottom plate, the lower side plate is connected with the upper side plate at an obtuse angle, and the upper side plate is positioned on one side of the lower side plate facing the pressure sensor; one side plate is provided with a wiring groove corresponding to the pressure sensor. 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 occupied area at the upper end of the tetrahedral cover bracket is reduced, the installation of the weighing sensor is convenient, and the purpose of saving materials is achieved compared with the vertical side plate.

Preferably, the four side panels are arranged in a circumferential array about the axis of the tetrahedral shield mount. The four sides are uniformly and reliably supported.

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 surface is avoided, and the reliability of the tetrahedral cover bracket is ensured.

Preferably, the tetrahedral cover bracket is an integral stamping or bending forming structure, and the tetrahedral cover bracket and the lower bottom plate are welded into a whole. The tetrahedral cover bracket is convenient to form, high in structural integrity and good in support stability.

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 double-layer annular structure of the elastic damping piece can play a damping role, meanwhile, the elastic role can be guaranteed, the limiting ring realizes the support of the connecting ring on the positioning hole, and the anti-falling performance of the elastic damping piece is guaranteed.

The beneficial effects of the utility model are as follows: the structure is compact and reliable, the stability and firmness are realized, the damping of the sensor is high, the sensor is resistant to fall, the installation is quick during application, the whole module is anti-toppling, the overturning of the weighing apparatus carrier caused by lateral force is not easy to happen, and the sensor is very suitable for metering occasions such as automobile scales, axle weight scales, charging bucket scales and the like.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a top view of the present utility model.

Fig. 3 is a partial exploded view of the present utility model.

Fig. 4 is a schematic structural view of the tetrahedral mask holder in the present utility model.

In the figure: the upper end face 41 of the lower base 3 of the upper pressure head 2 of the pressure sensor 1 is covered with the locating holes 411, the lower side plate 421 of the side plate 42, the upper side plate 422 of the side plate 421 and the wiring groove 423 of the transition round angle 43, the lower bottom plate 5 is provided with the dustproof cover 7 of the elastic damping piece 6, the elastic inner ring 61, the elastic outer ring 62 and the limiting ring 63.

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 4, a modularized weighing sensor comprises a pressure sensor 1, wherein the side surfaces of the upper end and the lower end of the pressure sensor 1 are cylindrical surfaces, and the end surfaces of the upper end and the lower end of the pressure sensor 1 are arc surfaces. The upper and lower both ends of pressure sensor 1 cooperate respectively to be equipped with pressure head 2 and lower base 3, and pressure head 2 cover is established on pressure sensor 1's upper end, and pressure sensor 1's upper end and pressure head 2 form the arc cooperation, and pressure sensor 1 is equipped with four face guard support 4 outward, and four face guard support 4 includes up end 41 and corresponds four curb plates 42 on up end 41 four sides, and four curb plates 42 are circumference array setting around four face guard support 4's axis. The lower ends of the four side plates 42 are connected with a lower bottom plate 5, the tetrahedral cover bracket 4 is of an integrated stamping or bending forming structure, and the tetrahedral cover bracket 4 and the lower bottom plate 5 are welded into a whole. The lower bottom plate 5 is provided with a mounting hole 51 corresponding to the lower base 3, and the mounting hole 51 is of a blind hole structure. The upper end surface 41 is provided with a positioning hole 411 corresponding to the upper end of the pressure sensor 1. The positioning hole 411 is a through hole. The four side plates 42 have the same shape, the side plates 42 are folded plate-shaped, the side plates 42 comprise a lower side plate 421 fixedly connected with the lower bottom plate 5 and an upper side plate 422 connected with the upper end surface 41, the lower side plate 421 and the upper side plate 422 are connected at an obtuse angle, and the upper side plate 422 is positioned on one side of the lower side plate 421 facing the pressure sensor 1; the lower side plate 421 is welded perpendicularly to the lower bottom plate 5. One of the side plates 42 is provided with a wiring groove 423 corresponding to the pressure sensor 1. The upper end of the wiring groove 423 corresponds to the positioning hole 411. A transition fillet 43 is provided between the upper side plate 422 and the upper end surface 41. Rounded transitions are also provided between adjacent upper side plates 422.

An elastic damping member 6 is provided between the pressure sensor 1 and the upper end surface 41. The elastic damping member 6 comprises an elastic inner ring 61 and an elastic outer ring 62 which are concentrically arranged at intervals, wherein connecting rings are arranged at the upper ends of the elastic inner ring 61 and the elastic outer ring 62, and the outer ends of the connecting rings extend out of the elastic outer ring 62 to form a limiting ring 63. The outer side of the elastic outer ring 62 abuts against the positioning hole 411, and the inner side of the elastic inner ring 61 is fitted over the side surface of the upper end of the pressure sensor 1. 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 end of the dust cover 7 is annular, the upper end of the dust cover 7 is sleeved with the pressure type sensor 1, the lower end of the dust cover 7 is annular, and the lower end of the dust cover 7 is sleeved with the lower base 3. The dust cap 7 is also supported by an elastic material.

The medium-pressure sensor 1 is a column type sensor in a vertically arranged pressed mode, the four-sided cover bracket 4 is matched with the lower bottom plate 5 to realize modularized integration of the medium-pressure sensor 1, and weighing application of the sensor is facilitated; the four mask bracket 4 has reliable supporting function on the four side plates 42 of the pressure sensor 1, has extremely strong anti-rolling capability, and has better integrity compared with the existing weighing sensor after modularization; the elastic damping piece 6 depends on the elastic damping effect, so that the pressure type sensor 1 swings freely and measures accurately, but does not topple over, the transverse stress of the pressure type sensor 1 can be buffered, the application reliability of the sensor is improved, the upper end of the dust cover 7 is connected with the pressure type sensor 1, the lower end of the dust cover 7 is connected with the lower base 3, the sensor and the lower base 3 form a flexible unit capable of being matched with the elastic damping piece 6, the dust-proof device has the dust-proof effect, the vertical reset capability of the pressure type sensor 1 is greatly improved, and the function of assisting the elastic damping piece 6 is achieved. The utility model has compact and reliable structure, stability and firmness, damping and anti-fall of the sensor, quick installation in application, anti-toppling of the whole module, difficult overturning of the weighing apparatus carrier caused by lateral force, and suitability for metering occasions such as automobile scales, axle weight scales, charging bucket scales and the like.

Claims (6)

1. The utility model provides a modularization weighing sensor, its characterized in that, including the pressure type sensor, the upper and lower both ends of pressure type sensor cooperate respectively to be equipped with pressure head and lower base, and four face guard supports are equipped with outward to the pressure type sensor, and four face guard supports include up end and correspond four curb plates on four sides of up end, and the lower extreme of four curb plates is connected with the lower plate jointly, is equipped with the mounting hole that corresponds the lower base on the lower plate, is equipped with the locating hole that corresponds the pressure type sensor upper end on the up end, be equipped with elastic damping spare between pressure type sensor and the up end, elastic damping spare includes the elasticity inner ring and the elasticity outer loop that concentric interval set up, and the upper end of elasticity inner ring and elasticity outer loop is equipped with the go-between, and the outside that the outer end of go-between stretches out to the elasticity outer loop forms the spacing ring.

2. A modular load cell as defined in claim 1, wherein a dust cover is provided on the outside of the connection of the sub-mount to the pressure sensor.

3. The modular weighing sensor of claim 1, wherein the four side plates have the same shape, the side plates have folded plate shapes, the side plates comprise a lower side plate fixedly connected with the lower bottom plate and an upper side plate connected with the upper end surface, the lower side plate is vertically connected with the lower bottom plate, the lower side plate is connected with the upper side plate at an obtuse angle, and the upper side plate is positioned on one side of the lower side plate facing the pressure type sensor; one side plate is provided with a wiring groove corresponding to the pressure sensor.

4. A modular load cell as claimed in claim 1 or claim 3 wherein said four side panels are arranged in a circumferential array about the axis of the tetrahedral shield support.

5. A modular load cell as recited in claim 3, wherein a transition fillet is provided between said upper side plate and said upper end surface.

6. A modular load cell as claimed in claim 1 or claim 3 wherein the tetrahedral shield support is of integrally stamped or bent construction, the tetrahedral shield support being welded to the lower base plate.