CN216012450U

CN216012450U - Force-measuring weighing sensor

Info

Publication number: CN216012450U
Application number: CN202122133491.5U
Authority: CN
Inventors: 刘旗
Original assignee: Xuzhou Chenao Measurement And Control Technology Co ltd
Current assignee: Xuzhou Chenao Measurement And Control Technology Co ltd
Priority date: 2021-09-05
Filing date: 2021-09-05
Publication date: 2022-03-11
Anticipated expiration: 2031-09-05

Abstract

The utility model discloses a force-measuring weighing sensor, which comprises a sensor main body, wherein mounting holes are arranged at the bottom and the top of the sensor main body, one side of the sensor main body is provided with a waterproof joint, a transmission cavity is arranged at the middle position of the sensor main body, a threaded rotating shaft is arranged in the transmission cavity, the bottom and the top of the threaded rotating shaft are both sheathed with a connecting frame, and a turntable is sheathed at the middle position of the threaded rotating shaft; four limiting through holes are formed in the top and the bottom of the sensor main body, and two protection plates are arranged on the front surface and the back surface of the sensor main body. Has the advantages that: through two sets of guard plates about setting up, can protect sensor main part terminal surface fully, play the supporting role to spacing through-hole inside wall to according to actual measurement's pulling force or pressure change the position of spacing adapter sleeve, thereby realize the spacing protection to the sensor main part, avoid the sensor main part to exceed the range and take place deformation and cause the harm, and then improve the stability and the life of sensor.

Description

Force-measuring weighing sensor

Technical Field

The utility model relates to a weighing sensor field particularly, relates to a dynamometry weighing sensor.

Background

The weighing sensor is a device for converting a mass signal into a measurable electric signal and outputting the measurable electric signal, the sensor is used for selecting a proper sensor by considering the actual working environment of the sensor, and the relationship between the measuring accuracy and the service life of the sensor and the safety and reliability of the whole weighing apparatus is realized.

The existing weighing sensors mainly comprise an S-shaped weighing sensor, a cantilever type weighing sensor, a spoke type weighing sensor, a plate ring type weighing sensor, a diaphragm box type weighing sensor, a bridge type weighing sensor, a column cylinder type weighing sensor and the like, wherein the S-shaped weighing sensor is fixedly called as an S-shaped weighing sensor due to the fact that the shape of the S-shaped weighing sensor is similar to that of an S. The sensor is mainly used for measuring the tension and the pressure of a solid, is also commonly called an S-shaped tension and compression dual-purpose sensor, can be used singly, and can also be used simultaneously by matching and outputting a plurality of sensors. Therefore, the S-shaped sensor has wide application scenes, but also has the characteristics of capability of measuring tension and pressure and flexibility, limit and protection measures are not usually adopted when the S-shaped sensor is used for weighing, and the sensor is damaged if the measured weight of an object is larger than the measuring range of the weighing sensor.

Patent No. CN213021849U discloses an S-shaped hook scale weighing sensor, this patent is through the spliced pole, spacing dish, the cooperation of spacing box and backup pad is used, when the weight of the article that awaits measuring surpasses the maximum range of weighing sensor main part, through spliced pole weighing sensor main part on, two parts that take place deformation down carry on spacingly, it does not have spacing and safeguard measure to have avoided traditional S-shaped hook scale weighing sensor, the problem that the measuring range that measured article weight is greater than weighing sensor can cause the sensor to damage. However, the protection measures of the sensor are simple and crude, the over-range protection can be realized only, and when the sensor is not used, the limit protection cannot be provided to enable the sensor to be in an unstressed state, so that the protection degree is low.

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 dynamometry weighing sensor possesses and adjusts the convenience, can realize the advantage of pulling force pressure measurement's range protect function, and then solves the problem that weighing sensor protective capability is not enough.

(II) technical scheme

For realizing the above-mentioned regulation convenience, can realize the advantage of pulling force pressure measurement's range protect function, the utility model discloses a concrete technical scheme as follows:

a force measurement weighing sensor comprises a sensor main body, wherein mounting holes are formed in the bottom and the top of the sensor main body, a waterproof joint is arranged on one side of the sensor main body, a transmission cavity is formed in the middle of the sensor main body, a threaded rotating shaft is arranged in the transmission cavity, connecting frames are sleeved on the bottom and the top of the threaded rotating shaft, and a turntable is sleeved at the middle of the threaded rotating shaft; four limiting through holes are formed in the top and the bottom of the sensor main body, and two protection plates are arranged on the front surface and the back surface of the sensor main body.

Further, in order to be able to prevent that the sensor from receiving the eccentric force to form turning on one ' S side through preventing the stabilizer blade of turning on one ' S side when vertically using the sensor, and then the stability in the reinforcing sensor use, the sensor main part is the S-shaped structure, and the groove of accomodating has all been seted up with the top four corners to sensor main part bottom, and the inslot portion of accomodating is close to one side of mounting hole and is provided with the damping pivot, and damping pivot swing joint has the stabilizer blade of preventing turning on one ' S side.

Further, in order to make guard plate and link keep fixed connection, two guard plates at top form a main part with the link promptly, two guard plates of bottom form another main part with the link, and can realize synchronous relative motion through the drive of screw pivot, and then realize the regulation of guard plate height, and form stable firm bearing structure, the link is bow-shaped structure and opening towards the one side of keeping away from the carousel, the link intermediate position is seted up with screw pivot matched with screw hole, two guard plates that are located the homonymy are about transmission chamber axisymmetric, the joint groove has been seted up to one side that the guard plate is close to the transmission chamber, the link keeps away from the both ends difference joint of carousel and is in two joint inslot portions, the guard plate passes through fixing bolt with the link and keeps fixed connection.

Further, in order to make spacing adapter sleeve can be in spacing fixed of the inside formation of spacing through-hole, because the fixed of guard plate, spacing adapter sleeve plays the supporting role to spacing through-hole inner wall, and then plays spacing guard action when the sensor main part takes place to deform, the inboard four corners of guard plate all is provided with spacing adapter sleeve, the length of two spacing adapter sleeves equals the degree of depth of spacing through-hole, the inside interlude of spacing adapter sleeve is provided with connecting bolt, spacing through-hole is the straight notch shape of vertical direction.

(III) advantageous effects

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

(1) two sets of guard plates about through setting up, can protect sensor main part terminal surface fully, the cooperation can manually be adjusted the carousel can drive two link up-and-down, realize the lift adjustment of the inboard spacing adapter sleeve of two sets of guard plates about the drive promptly, thereby play the supporting role to spacing through-hole inside wall, and change the position of spacing adapter sleeve according to actual measurement's pulling force or pressure, thereby realize the spacing protection to the sensor main part, avoid the sensor main part to exceed the range and take place deformation and cause the harm, and then improve the stability and the life of sensor.

(2) Through the fixed screw thread pivot and the matched with link that set up, can carry out position control and stable support to the guard plate to can realize the duplicate protection that pulling force and pressure were weighed according to the adjusting position, improve weighing sensor's practicality greatly and expand the use scene.

(3) The four anti-rollover support legs are arranged up and down, so that the anti-rollover function can be played for the sensor body when the sensor body is fixedly weighed, the stability of the weighing sensor is further improved, and the weighing accuracy is not influenced.

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 diagram of a load cell according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a sensor body structure of a load cell according to an embodiment of the present invention;

FIG. 3 is a schematic view of a combination structure of protection plates in the load cell according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a protection plate of the load cell according to the embodiment of the present invention.

In the figure:

1. a sensor body; 2. mounting holes; 3. a waterproof joint; 4. a transmission cavity; 5. a threaded shaft; 6. a connecting frame; 7. a turntable; 8. a limiting through hole; 9. a protection plate; 10. a receiving groove; 11. a damping rotating shaft; 12. anti-rollover support legs; 13. a threaded hole; 14. a clamping groove; 15. fixing the bolt; 16. a limiting connecting sleeve; 17. and connecting the bolts.

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 dynamometry weighing sensor.

The present invention will be further explained with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-4, according to the force-measuring weighing sensor of the embodiment of the present invention, the force-measuring weighing sensor comprises a sensor main body 1, mounting holes 2 are both formed at the bottom and the top of the sensor main body 1, a waterproof joint 3 is arranged at one side of the sensor main body 1, a transmission cavity 4 is formed at the middle position of the sensor main body 1, a threaded rotating shaft 5 is arranged inside the transmission cavity 4, a connecting frame 6 is respectively sleeved at the bottom and the top of the threaded rotating shaft 5, and a turntable 7 is sleeved at the middle position of the threaded rotating shaft 5; four limiting through holes 8 are formed in the top and the bottom of the sensor main body 1, and two protection plates 9 are arranged on the front surface and the back surface of the sensor main body 1.

By means of above-mentioned technical scheme, through two sets of guard plates 9 about setting up, can protect sensor main part 1 terminal surface fully, but the cooperation manually regulated's carousel 7 can drive two link 6 lifts to play the supporting role to 8 inside walls of spacing through-holes, avoid sensor main part 1 to exceed the range and take place deformation and cause the harm, and then improve the stability and the life of sensor. Through the fixed screw thread pivot 5 that sets up and matched with link 6, can carry out position control and stable support to guard plate 9 to can realize the duplicate protection that pulling force and pressure were weighed according to the adjusting position, improve weighing sensor's practicality greatly and expand the use scene.

In an embodiment, for the sensor body 1, the sensor body 1 is of an S-shaped structure, the bottom and the top four corners of the sensor body 1 are both provided with the accommodating groove 10, one side of the inside of the accommodating groove 10, which is close to the mounting hole 2, is provided with the damping rotating shaft 11, and the damping rotating shaft 11 is movably connected with the anti-rollover supporting legs 12, so that when the sensor is used vertically, the anti-rollover supporting legs 12 prevent the sensor from being subjected to an eccentric force to form rollover, and the stability of the sensor in the use process is further enhanced.

In one embodiment, for the above-mentioned connecting frame 6, the connecting frame 6 is an arch structure and has an opening facing away from one side of the turntable 7, a threaded hole 13 matching with the threaded spindle 5 is formed in the middle of the connecting frame 6, two protection plates 9 located on the same side are axisymmetric with respect to the transmission cavity 4, a clamping groove 14 is formed in one side of the protection plate 9 close to the transmission cavity 4, two ends of the connecting frame 6 far from the turntable 7 are respectively clamped inside the two clamping grooves 14, the protection plates 9 and the connecting frame 6 are fixedly connected through a fixing bolt 15, so that the protection plates 9 and the connecting frame 6 are fixedly connected, that is, the two protection plates 9 at the top and the connecting frame 6 form one main body, the two protection plates 9 at the bottom and the connecting frame 6 form another main body, and can realize synchronous relative movement by the driving of the threaded spindle 5, thereby realizing the adjustment of the height of the protection plates 9, and form a stable and strong support structure.

In an embodiment, for above-mentioned guard plate 9, the inboard four corners of guard plate 9 all is provided with spacing adapter sleeve 16, the length of two spacing adapter sleeves 16 equals the degree of depth of spacing through-hole 8, the inside interlude of spacing adapter sleeve 16 is provided with connecting bolt 17, spacing through-hole 8 is the straight notch mouth shape of vertical direction, thereby make spacing adapter sleeve 16 can be at the inside spacing fixed that forms of spacing through-hole 8, because guard plate 9's fixed, spacing adapter sleeve 16 plays the supporting role to spacing through-hole 8 inner wall, and then play spacing guard action when sensor main part 1 takes place deformation.

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, the sensor can be used for measuring tension or pressure alone, and can also be assembled in the weighing machine to form a group of weighing machines for weighing large devices. In the exclusive use process, can adjust the position of guard plate 9 according to the scene of the pulling force of measurement or pressure, form different spacing protection. When the tension is tested, the sensor main body 1 needs to be subjected to tension at two ends, the waterproof connector 3 is connected into the electronic equipment, and the mounting holes 2 are respectively provided with a fixing component or a hook component; manual regulation carousel 7 makes two link 6 be close to each other, and protection plate 9 also is close to each other promptly spacing adapter sleeve 16 arrives the inboard of spacing through-hole 8 gradually, stops rotatory carousel 7, and at this moment when the test pulling force, two sets of protection plates 9 can play inside spacing power, prevent that sensor main part 1 atress is too big to cause outside bending deformation. In the same way, when pressure needs to be measured, the rotary disc 7 is rotated reversely, so that the two connecting frames 6 are far away from each other, and the sensor body 1 is prevented from being bent and deformed inwards when the pressure is too high. In addition, in the sensor transportation, can adjust spacing adapter sleeve 16 to the spacing through-hole 8 outside, prevent to transport the sensor atress that the in-process pressure caused, influence subsequent precision and life.

To sum up, with the help of the above technical scheme of the utility model, through two sets of guard plate 9 about setting up, can protect sensor main part 1 terminal surface fully, but cooperation manual regulation's carousel 7 can drive two link 6 lifts, realize the lift adjustment of the inboard spacing adapter sleeve 16 of two sets of guard plate 9 about the drive promptly, thereby play the supporting role to 8 inside walls of spacing through-hole, and according to actual measurement's pulling force or the position that the pressure changes spacing adapter sleeve 16, thereby realize the spacing protection to sensor main part 1, avoid sensor main part 1 to exceed the range and take place deformation to cause the harm, and then improve sensor's stability and life. Through the fixed screw thread pivot 5 that sets up and matched with link 6, can carry out position control and stable support to guard plate 9 to can realize the duplicate protection that pulling force and pressure were weighed according to the adjusting position, improve weighing sensor's practicality greatly and expand the use scene. Through four stabilizer blades 12 of preventing turning on one's side about setting up, can play the effect of preventing turning on one's side to sensor body 1 when fixed weighing to further improve weighing sensor's stability, and do not influence the accuracy of weighing.

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. A force-measuring weighing sensor comprises a sensor main body (1), wherein mounting holes (2) are formed in the bottom and the top of the sensor main body (1), and a waterproof joint (3) is arranged on one side of the sensor main body (1);

a transmission cavity (4) is formed in the middle of the sensor main body (1), a threaded rotating shaft (5) is arranged in the transmission cavity (4), connecting frames (6) are sleeved at the bottom and the top of the threaded rotating shaft (5), and a rotating disc (7) is sleeved at the middle of the threaded rotating shaft (5);

four limiting through holes (8) are formed in the top and the bottom of the sensor main body (1), and two protection plates (9) are arranged on the front surface and the back surface of the sensor main body (1).

2. The force-measuring and weighing sensor according to claim 1, wherein the sensor body (1) is of an S-shaped structure, the four corners of the bottom and the top of the sensor body (1) are provided with accommodating grooves (10), one side of the inside of each accommodating groove (10) close to the mounting hole (2) is provided with a damping rotating shaft (11), and the damping rotating shaft (11) is movably connected with a side-turning-preventing support leg (12).

3. The load cell according to claim 2, wherein the connecting frame (6) is of an arch structure and has an opening facing away from one side of the turntable (7), and a threaded hole (13) matched with the threaded rotating shaft (5) is formed in the middle of the connecting frame (6).

4. The force-measuring and weighing sensor according to claim 3, wherein two protection plates (9) on the same side are axisymmetrical with respect to the transmission cavity (4), a clamping groove (14) is formed in one side of the protection plates (9) close to the transmission cavity (4), two ends of the connecting frame (6) far away from the turntable (7) are respectively clamped inside the two clamping grooves (14), and the protection plates (9) and the connecting frame (6) are fixedly connected through fixing bolts (15).

5. The force-measuring and weighing sensor according to claim 4, wherein limiting connection sleeves (16) are arranged at four corners of the inner side of the protection plate (9), the length of each of the two limiting connection sleeves (16) is equal to the depth of the limiting through hole (8), and a connection bolt (17) is inserted into each of the limiting connection sleeves (16).

6. Load cell according to claim 1 or 5, wherein the limiting through-hole (8) is in the shape of a vertically oriented straight slot.