CN212843946U

CN212843946U - Column type weighing sensor module

Info

Publication number: CN212843946U
Application number: CN202022010953.XU
Authority: CN
Inventors: 冯鹏刚
Original assignee: Changzhou Hengyuan Electronic Weighing Instrument Co ltd
Current assignee: Changzhou Hengyuan Electronic Weighing Instrument Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-03-30
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a column type weighing sensor module, including end cover, end cover circumference outside bottom is provided with a plurality of equidistance and arranges and be annular fixed block, end cover top central point puts and has seted up the ascending chamber one that holds of opening, hold chamber one bottom and continue to have seted up the mounting groove, it is provided with weighing sensor to hold a intracavity portion, the weighing sensor bottom is provided with the installation piece with mounting groove matched with, the weighing sensor top is provided with the bearing block, end cover top cover is equipped with a cover, top cover bottom has been seted up the opening downwards and with end cover matched with hold chamber two, it continues to set up the bearing groove with bearing block matched with to hold two tops in chamber. Has the advantages that: through setting up end cover and top cover for weighing sensor is in inclosed environment, thereby reduces the influence that dust, rainwater and ponding weighing sensor caused, and then improves this weighing module's stability and life.

Description

Column type weighing sensor module

Technical Field

The utility model relates to a weighing-appliance technical field particularly, relates to a column type weighing sensor module.

Background

The weighing sensor is a core component in electronic weighing and metering equipment, and is widely applied to various electronic weighing equipment such as electronic automobile scales, automobile detection lines, rail scales, bucket scales and the like. It generally consists of an elastic element, a resistive strain gauge and a wheatstone bridge circuit. When a force is applied to the sensor pressure head by an external heavy object, the elastic element can generate plastic deformation, particularly the part in the strain area is more sensitive, at the moment, the strain sheet adhered to the strain area can sense the strain generated by the plastic deformation of the elastic element and collect the stress generated by the strain, so that the resistance value of the strain sheet per se is changed, the strain sheet is converted into the change of voltage through a Wheatstone bridge circuit, the mass signal of the heavy object is converted into a measurable electric signal from the surface, and the output signal is collected through an instrument outside the sensor and converted into visually recognizable weight information.

Most of the existing weighing modules are arranged on the ground, and because the ground has much dust and does not protect internal parts, the weighing sensor is polluted by dust after being used for a long time, so that the weighing accuracy is influenced while the abrasion is increased; in rainy days, the accuracy and the service life of the weighing sensor can be influenced by surface water accumulation. Meanwhile, in the actual use process of the weighing module, the elastic body is often impacted by transverse load, the elastic body is easily inclined by the transverse load, and once the elastic body is inclined, the elastic body cannot be automatically reset, so that the whole bearing sensor is damaged and cannot be used.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a column type weighing sensor module possesses dustproof rain-proof, prevent toppling and prevent the advantage of weighing sensor rotation, and then solves the problem that the weighing sensor module receives dust and ponding influence normal work and weighing in-process unstable enough.

(II) technical scheme

For realizing foretell dustproof rain-proof, prevent toppling and prevent the advantage of weighing sensor rotation, the utility model discloses a concrete technical scheme as follows:

a column type weighing sensor module comprises a bottom sleeve, wherein a plurality of fixing blocks which are distributed in an equidistant way and are annular are arranged at the bottom of the outer side of the circumference of the bottom sleeve, a first accommodating cavity with an upward opening is formed in the center of the top of the bottom sleeve, a mounting groove is continuously formed in the bottom of the first accommodating cavity, a weighing sensor is arranged in the accommodating cavity I, an installation block matched with the installation groove is arranged at the bottom end of the weighing sensor, the top end of the weighing sensor is provided with a bearing block, the top of the bottom sleeve is sleeved with a top sleeve, the bottom of the top sleeve is provided with a second accommodating cavity with a downward opening and matched with the bottom sleeve, the top of the second accommodating cavity is continuously provided with a bearing groove matched with the bearing block, the top of one side of the weighing sensor is provided with a cable interface, the cable connector is characterized in that a first clamping groove matched with the cable connector is formed in the top of one side of the bottom sleeve, and a second clamping groove matched with the cable connector is formed in the bottom of one side of the top sleeve.

Furthermore, in order to enable the fixing block to be capable of installing a fixing bolt to fix the weighing module, a fixing groove is formed in the top of the fixing block, a fixing hole is formed in the bottom of the fixing groove, the fixing hole penetrates through the fixing block, and the fixing hole is of an internal thread structure.

Furthermore, in order to fix the weighing module on the ground, the anti-overturning plate and the self-resetting rubber mat are arranged to realize the anti-overturning and self-resetting functions, so that the stability and the safety of the weighing module are improved, a fixing bolt matched with the fixing bolt is inserted into the fixing hole, the top of the fixing bolt is sequentially sleeved with the anti-overturning plate and the self-resetting rubber mat, and the anti-overturning plate and the self-resetting rubber mat are both positioned in the fixing groove.

Further, in order to enable the weighing sensor to be fixed inside the bottom sleeve and further increase the stability of the weighing module, the mounting groove is of an internal thread structure, and the mounting block is of an external thread structure matched with the mounting groove.

Furthermore, in order to enable the limiting hole and the limiting groove to be connected through a limiting bolt and enable the limiting hole to be limited in the horizontal direction, the top portions of the two sides of the bottom sleeve are provided with limiting grooves with internal thread structures, the bottom portions of the two sides of the top sleeve and the limiting grooves are located on the same straight line and provided with limiting holes penetrating through the side walls of the top sleeve, the width of each limiting hole is equal to that of the corresponding limiting groove, and the length of each limiting hole is larger than that of the corresponding limiting groove.

Furthermore, in order to realize connection fixation and limitation between the bottom sleeve and the top sleeve and further prevent the top sleeve from rotating and overturning, a limiting bolt matched with the limiting groove is arranged in the limiting groove, and the limiting bolt penetrates through the limiting hole.

Further, in order to make the equipment of waiting to weigh can fix the stabilizer blade on the top cover, and then realize fixed mounting, four equidistance are seted up to top cover top circumference outer fringe and are arranged and be the annular and be the connecting hole of internal thread structure.

Furthermore, in order to enable the weighing sensor to be capable of resetting quickly and accurately when the weighing sensor is stressed in the horizontal direction, the weighing sensor keeps in a vertical state, the stability of the weighing module is greatly improved, a self-resetting rubber mat II is arranged on the inner side wall of the accommodating cavity, and a self-resetting rubber mat III is arranged on the inner side wall of the bearing groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a column type weighing sensor module possesses following beneficial effect:

(1) through setting up end cover and top cover for weighing sensor is in inclosed environment, thereby reduces the influence that dust, rainwater and ponding weighing sensor caused, and then improves this weighing module's stability and life.

(2) Through setting up prevent board, spacing bolt and fixing bolt, can realize the protection of weighing sensor level and vertical direction on with fixed, and then improve the stability of this weighing module weighing in-process.

(3) Through setting up from the cushion one that restores to the throne, from the cushion two that restores to the throne and from the cushion three that restores to the throne, can make this weighing module realize quick and accurate resetting when receiving the power of horizontal direction to prevent this weighing module from taking place the slope, avoid influencing normal work.

(4) Through setting up draw-in groove one and draw-in groove two, can spacing by weighing sensor to prevent that the influence that weighing sensor received outside cable from taking place dislocation and skew.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a pillar type load cell module according to an embodiment of the present invention;

fig. 2 is a top view of a pillar type load cell module according to an embodiment of the present invention;

fig. 3 is a perspective view of a bottom cover structure in a pillar type load cell module according to an embodiment of the present invention;

fig. 4 is a perspective view of a top cover structure of a column-type load cell module according to an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

fig. 6 is a partially enlarged view of fig. 1 at B.

In the figure:

1. a bottom cover; 2. a fixed block; 3. a first accommodating cavity; 4. mounting grooves; 5. a weighing sensor; 6. mounting blocks; 7. a pressure-bearing block; 8. jacking and sleeving; 9. a second accommodating cavity; 10. a pressure-bearing groove; 11. a cable interface; 12. a first clamping groove; 13. a second clamping groove; 14. fixing grooves; 15. a fixing hole; 16. fixing the bolt; 17. an anti-toppling plate; 18. a self-resetting rubber cushion I; 19. a limiting groove; 20. a limiting hole; 21. a limit bolt; 22. connecting holes; 23. a second self-resetting rubber cushion; 24. and a third self-resetting rubber mat.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a column type weighing sensor module.

Referring now to the drawings and the detailed description, as shown in fig. 1-6, a column-type weighing sensor module according to an embodiment of the present invention comprises a bottom cover 1, wherein a plurality of fixing blocks 2 are equidistantly arranged at the bottom of the outer circumference of the bottom cover 1, a first accommodating cavity 3 with an upward opening is formed at the center of the top of the bottom cover 1, a mounting groove 4 is continuously formed at the bottom of the first accommodating cavity 3, a weighing sensor 5 is arranged inside the first accommodating cavity 3, a mounting block 6 matched with the mounting groove 4 is arranged at the bottom end of the weighing sensor 5, a bearing block 7 is arranged at the top end of the weighing sensor 5, a top cover 8 is sleeved at the top of the bottom cover 1, a second accommodating cavity 9 with a downward opening and matched with the bottom cover 1 is formed at the bottom of the top cover 8, a bearing groove 10 matched with the bearing block 7 is continuously formed at the top of the second accommodating cavity 9, the top of one side of the weighing sensor 5 is provided with a cable interface 11, the top of one side of the bottom sleeve 1 is provided with a first clamping groove 12 matched with the cable interface 11, and the bottom of one side of the top sleeve 8 is provided with a second clamping groove 13 matched with the cable interface 11.

By means of the above technical scheme, through setting up end cover 1 and top cover 8 for weighing sensor 5 is in inclosed environment, thereby reduces the influence that dust, rainwater and ponding weighing sensor 5 caused, and then improves this weighing module's stability and life. Through setting up draw-in groove one 12 and draw-in groove two 13, can carry on spacingly by weighing sensor 5 to prevent that weighing sensor 5 from receiving the influence of outside cable to take place dislocation and skew.

In one embodiment, for the fixing block 2, a fixing groove 14 is formed at the top of the fixing block 2, a fixing hole 15 penetrating the fixing block 2 is formed at the bottom of the fixing groove 14, and the fixing hole 15 is an internal thread structure, so that the fixing block 2 can be provided with a fixing bolt 16 to fix the weighing module.

In one embodiment, for the fixing hole 15, a fixing bolt 16 is inserted into the fixing hole 15, an anti-overturning plate 17 and a self-resetting rubber mat 18 are sequentially sleeved on the top of the fixing bolt 16, and the anti-overturning plate 17 and the self-resetting rubber mat 18 are both located in the fixing groove 14, so that the weighing module is fixed on the ground, and the anti-overturning and self-resetting functions are realized by the anti-overturning plate 17 and the self-resetting rubber mat 18, thereby increasing the stability and safety of the weighing module.

In one embodiment, for the mounting groove 4, the mounting groove 4 has an internal thread structure, and the mounting block 6 has an external thread structure matched with the mounting groove 4, so that the weighing sensor 5 can be fixed inside the bottom cover 1, thereby increasing the stability of the weighing module.

In an embodiment, for the bottom sleeve 1, the top portions of the two sides of the bottom sleeve 1 are both provided with a limiting groove 19 having an internal thread structure, the bottom portions of the two sides of the top sleeve 8 and the limiting groove 19 are both provided with a limiting hole 20 penetrating through the side wall of the top sleeve 8, the width of the limiting hole 20 is equal to that of the limiting groove 19, and the length of the limiting hole 20 is greater than that of the limiting groove 19, so that the limiting hole 20 and the limiting groove 19 can be connected through a limiting bolt 21, and the limiting hole 20 is limited only in the horizontal direction.

In an embodiment, for the above-mentioned limiting groove 19, a limiting bolt 21 is disposed inside the limiting groove 19, and the limiting bolt 21 penetrates through the limiting hole 20, so that the bottom sleeve 1 and the top sleeve 8 are connected, fixed and limited, and further the top sleeve 8 is prevented from rotating and overturning.

In one embodiment, for the top sleeve 8, four connecting holes 22 which are arranged at equal intervals, are annular and have an internal thread structure are formed in the outer edge of the top circumference of the top sleeve 8, so that the supporting legs can be fixed on the top sleeve 8 by the equipment to be weighed, and fixed installation is realized.

In an embodiment, for the first accommodating cavity 3, the inner side wall of the first accommodating cavity 3 is provided with a second self-resetting rubber pad 23, and the inner side wall of the pressure bearing groove 10 is provided with a third self-resetting rubber pad 24, so that the weighing sensor 5 can be quickly and accurately reset when being subjected to a force in the horizontal direction, a vertical state is kept, and the stability of the weighing module is greatly improved.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, an operator firstly installs the weighing module, firstly places the weighing sensor 5 in the accommodating cavity I3, installs the mounting block 6 into the mounting groove 4, and then places the top sleeve 8 on the top end of the weighing sensor 5, so that the pressure bearing block 7 is placed in the pressure bearing groove 10. And then the top sleeve 8 is fixed in the horizontal direction by installing the limiting bolts 21 on two sides to the limiting grooves 19, and the length of the limiting hole 20 is larger than that of the limiting groove 19, so that the limiting bolts 21 limit the top sleeve 8 vertically and downwards, and further the top sleeve 8 is not influenced in transmitting pressure to the weighing sensor 5. Then the weighing module is fixed on the ground through the fixing bolt 16, and finally the equipment is connected and installed through the connecting hole 22, thereby completing the installation of the weighing module.

During the weighing process, the cable transmits the signals received by the weighing sensor through the cable interface 11, so that the measurement of the weight is completed. When a force in the horizontal direction is met, the self-resetting rubber cushion I18, the self-resetting rubber cushion II 23 and the self-resetting rubber cushion III 24 keep the weighing sensor in a stable state through self-elastic self-resetting capability.

To sum up, with the help of the above technical scheme of the utility model, through setting up end cover 1 and top cover 8 for weighing sensor 5 is in inclosed environment, thereby reduces the influence that dust, rainwater and ponding weighing sensor 5 caused, and then improves this weighing module's stability and life. Through setting up anti-overturning plate 17, spacing bolt 21 and fixing bolt 16, can realize that sensor 5 is horizontal and the ascending protection in the vertical direction with fixed for weighing, and then improve the stability of this weighing module weighing in-process. Through setting up from restoring to the throne cushion 18, from two 23 and from three 24 of the cushion that restore to the throne, can make this weighing module realize quick and accurate the reseing when receiving the power of horizontal direction to prevent this weighing module from taking place the slope, avoid influencing normal work. Through setting up draw-in groove one 12 and draw-in groove two 13, can carry on spacingly by weighing sensor 5 to prevent that weighing sensor 5 from receiving the influence of outside cable to take place dislocation and skew.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The column type weighing sensor module is characterized by comprising a bottom sleeve (1), wherein a plurality of equidistant arranging annular fixed blocks (2) are arranged at the bottom of the outer side of the circumference of the bottom sleeve (1), a first accommodating cavity (3) with an upward opening is formed in the center position of the top of the bottom sleeve (1), a mounting groove (4) is continuously formed in the bottom of the first accommodating cavity (3), a weighing sensor (5) is arranged inside the first accommodating cavity (3), a mounting block (6) matched with the mounting groove (4) is arranged at the bottom end of the weighing sensor (5), a bearing block (7) is arranged at the top end of the weighing sensor (5), a top sleeve (8) is sleeved at the top of the bottom sleeve (1), a second accommodating cavity (9) with a downward opening and matched with the bottom sleeve (1) is formed in the bottom of the top sleeve (8), a bearing groove (10) matched with the bearing block (7) is continuously formed in the top of the second accommodating cavity (9, the top of one side of the weighing sensor (5) is provided with a cable interface (11), the top of one side of the bottom sleeve (1) is provided with a first clamping groove (12) matched with the cable interface (11), and the bottom of one side of the top sleeve (8) is provided with a second clamping groove (13) matched with the cable interface (11).

2. The column type weighing sensor module of claim 1, wherein the fixing block (2) is provided with a fixing groove (14) at the top, the fixing groove (14) is provided with a fixing hole (15) at the bottom for penetrating the fixing block (2), and the fixing hole (15) is an internal thread structure.

3. The column type weighing sensor module of claim 2, wherein a fixing bolt (16) is inserted into the fixing hole (15), an anti-tilting plate (17) and a self-resetting rubber mat (18) are sequentially sleeved on the top of the fixing bolt (16), and the anti-tilting plate (17) and the self-resetting rubber mat (18) are both located in the fixing groove (14).

4. The column type load cell module of claim 1, wherein said mounting groove (4) is of an internally threaded configuration and said mounting block (6) is of an externally threaded configuration for mating with said mounting groove (4).

5. The column type weighing sensor module of claim 1, wherein the top of the bottom cover (1) is provided with a limit groove (19) with an internal thread structure, the bottom of the top cover (8) is provided with a limit hole (20) which penetrates through the side wall of the top cover (8) and is in the same straight line with the limit groove (19), the width of the limit hole (20) is equal to that of the limit groove (19), and the length of the limit hole (20) is greater than that of the limit groove (19).

6. The column type weighing sensor module of claim 5, wherein the limiting groove (19) is internally provided with a limiting bolt (21) matched with the limiting groove, and the limiting bolt (21) penetrates through the limiting hole (20).

7. The column type weighing sensor module of claim 5, wherein the top of the top sleeve (8) is provided with four connecting holes (22) which are arranged at equal intervals and are annular and have an internal thread structure at the outer periphery of the top circumference.

8. The column type load cell module of claim 1, wherein the inner side wall of the first receiving cavity (3) is provided with a second self-resetting rubber pad (23), and the inner side wall of the pressure bearing groove (10) is provided with a third self-resetting rubber pad (24).