CN216349018U

CN216349018U - Weighing force sensor device

Info

Publication number: CN216349018U
Application number: CN202123031443.1U
Authority: CN
Inventors: 滕平平; 邱维达; 宋大川
Original assignee: Shanghai Taishan Technology Co ltd
Current assignee: Shanghai Taishan Technology Co ltd
Priority date: 2021-12-04
Filing date: 2021-12-04
Publication date: 2022-04-19
Anticipated expiration: 2031-12-04

Abstract

The utility model belongs to the technical field of gravity sensor's technique and specifically relates to a weighing force sensor device is related to, including supporting seat and mount pad, set up force sensor in the supporting seat, the diapire and the force sensor fixed connection of mount pad, open-top and the inside cavity of mount pad, be provided with the ball seat on the interior diapire of mount pad, be provided with the atress pole in the mount pad, the one end of atress pole is provided with the ball portion, the other end is used for being connected with the balance, the ball portion is articulated with the ball seat ball. The staff places the medicine on the pan scale, then receives the power back that the pan scale transmitted and come on the atress pole, and the bulb is articulated with the ball seat ball, keeps the relative static back between bulb and the ball seat, and the mount pad only bears the pan scale along the power of vertical direction, weighs more accurately to the medicine.

Description

Weighing force sensor device

Technical Field

The application relates to the technical field of gravity sensors, in particular to a weighing force sensor device.

Background

A gravity sensor device is a special form of force sensor that can be applied to weighing devices. Calibration may be performed in units of grams, kilograms, or tons. The load cell will elastically deform in response to the gravitational load and the internally bonded strain gage will be proportionally converted to an electronic signal.

At present, the weighing force sensor device that medicine was weighed commonly used includes the balance body, balance beam and scale, and the internal force sensor of installing of balance is used for reading the power that the scale transmitted, and the balance beam is along vertical direction sliding connection on the balance body, and the scale is installed on the balance beam. When the center of the medicine and the axis of the scale beam are not positioned on the same straight line, the side wall of the scale beam is abutted against the scale body, so that the weight of the detected medicine is smaller and the weighing is inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy that the medicine weighed, this application provides a weighing force sensor device.

The application provides a weighing force sensor device adopts following technical scheme:

the utility model provides a weighing force sensor device, includes supporting seat and mount pad, be provided with force sensor in the supporting seat, the diapire and the force sensor fixed connection of mount pad, open-top and the inside cavity of mount pad, be provided with the ball seat on the interior diapire of mount pad, be provided with the atress pole in the mount pad, the one end of atress pole is provided with the bulb, the other end is used for being connected with the balance, the bulb is articulated with the ball seat ball.

Through adopting above-mentioned technical scheme, the staff places the medicine on the pan scale, then the atress pole receives after the power that the pan scale transmitted, the bulb is articulated with the ball seat ball, keeps behind relative static between bulb and the ball seat, and the mount pad only bears the pan scale along the power of vertical direction, weighs more accurately to the medicine.

Optionally, a dust cover is arranged on the bottom wall in the mounting seat, an accommodating hole for accommodating the ball seat and the stress rod is formed in the top wall of the dust cover, and the stress rod ball is hinged in the side wall of the accommodating hole.

By adopting the technical scheme, the dust cover intercepts part of sundries entering the mounting seat, and the neatness in the mounting seat is improved.

Optionally, the dust cover is connected in the mounting seat in a sliding manner along the length direction of the stress rod, the outer side wall of the dust cover is in contact with the inner side wall of the mounting seat, and the dust cover is in threaded connection with the mounting seat.

Through adopting above-mentioned technical scheme, the dust cover can be dismantled with the mount pad and be connected, makes things convenient for the staff to carry out inside clearance to mount pad and dust cover.

Optionally, a stressed seat is arranged on the stressed rod, the upper plane of the stressed seat is horizontal to the upper plane of the stressed rod, and the stressed seat is located above the dust cover.

By adopting the technical scheme, the stress base improves the contact area of the stress beam and the scale pan, and further improves the accuracy of weighing the medicine.

Optionally, the stressed seat is connected in the stressed rod in a sliding manner along the length direction of the stressed rod, and the stressed seat is in threaded connection with the stressed rod.

By adopting the technical scheme, the stress seats with different sizes are replaced by the staff according to the scales with different sizes, and the applicability of the stress seats is improved.

Optionally, a stopper is disposed on a side wall of the force-bearing rod, and a top wall of the stopper can abut against a bottom wall of the force-bearing seat.

Through adopting above-mentioned technical scheme, atress seat is along the length direction sliding connection of atress pole, makes the diapire butt of the roof of dog and atress seat, makes things convenient for the staff with atress seat and atress pole threaded connection.

Optionally, a magnetic part for adsorbing the scale pan is arranged on the stress base.

Through adopting above-mentioned technical scheme, the staff can change the scale dish of unidimensional not, then place the scale dish on atress seat and stress beam and adsorbed by the magnetic part of atress seat, improve the suitability.

Optionally, a base is arranged on the bottom wall of the supporting seat, and a connecting bolt used for being in threaded connection with the ground is arranged on the base.

Through adopting above-mentioned technical scheme, the staff can be according to the user demand with pedestal mounting on the position of difference to use connecting bolt to fix.

In summary, the present application includes at least one of the following beneficial technical effects:

the ball part is hinged with the ball seat ball after the stress beam is subjected to the force transmitted by the scale, and when the ball part and the ball seat are kept relatively static, the mounting seat only bears the force of the scale along the vertical direction, so that the medicine is weighed more accurately;

the dust cover intercepts sundries partially entering the mounting seat, so that the neatness in the mounting seat is improved;

staff can be according to the user demand with pedestal mounting on the position of difference to use connecting bolt to fix.

Drawings

Fig. 1 is a schematic view of the overall structure of a weighing force sensor device according to an embodiment of the present application.

Fig. 2 is an exploded view of a mount of an embodiment of the present application (with the dust cover hidden).

Description of reference numerals: 1. a supporting seat; 2. a mounting seat; 3. a ball seat; 4. a stress beam; 41. a ball portion; 5. a dust cover; 6. a stressed seat; 7. a stopper; 8. a magnetic member; 9. a base; 10. and connecting the bolts.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses weighing force sensor device. Referring to fig. 1 and 2, the weighing force sensor device includes a support base 1 and a mounting base 2. A force sensor is arranged in the supporting seat 1, and the bottom wall of the mounting seat 2 is fixedly connected with the stress end of the force sensor. The ball articulates in mount pad 2 has stress beam 4, and the one end that mount pad 2 was kept away from to stress beam 4 is used for being connected with the scale dish. The staff places the medicine on the pan scale, then receives the power back that the pan scale transmitted to come to stress beam 4, takes place relative rotation between ball 41 and the ball seat 3, keeps relative static back when between ball 41 and the ball seat 3, and mount pad 2 only bears the power of pan scale along vertical direction, weighs more accurately to the medicine.

Referring to fig. 1 and 2, a base 9 is installed on the bottom wall of the supporting seat 1, a plurality of through holes are formed in the top wall of the base 9 in an array mode, a connecting bolt 10 used for being in threaded connection with the ground is installed on the base 9, and the connecting bolt 10 penetrates through the through holes to be in threaded connection with the ground. The staff can be according to different user demands with base 9 installation on the position of difference, then use connecting bolt 10 to fix both, make things convenient for the staff to use and detect the weight of medicine.

In this embodiment, the force sensor is a piezoresistive force sensor, and a resistance strain gauge is installed in the piezoresistive force sensor, and the resistance strain gauge converts strain change on the mounting base 2 into a sensitive device of an electric signal. When the mounting base 2 is stressed and changed, the resistance strain gauge is deformed together, so that the resistance value of the resistance strain gauge is changed, the voltage applied to the resistor is changed, and the force sensor calculates the strain condition of the resistance strain gauge according to the change condition of the resistance, so that the stress condition of the mounting base 2 is calculated.

Referring to fig. 1 and 2, the top of the mounting seat 2 is open and hollow, the cross section of the mounting seat 2 is circular, and the mounting seat 2 is made of alloy material. A ball seat 3 is installed on the inner bottom wall of the installation seat 2. The stress rod 4 is a round rod made of alloy material, one end of the stress rod 4 is integrally formed with a ball part 41, the other end of the stress rod is used for being connected with a scale, and the ball part 41 is in ball joint with the ball seat 3 and is hinged in the ball seat 3.

The stress rod 4 is provided with a stress seat 6, and the upper plane of the stress seat 6 is horizontal to the upper plane of the stress rod 4. The stress base 6 increases the contact area between the stress rod 4 and the scale pan, and further improves the accuracy of weighing the medicine.

Referring to fig. 1 and 2, the stress base 6 is detachably connected with the stress rod 4, the stress base 6 is slidably connected in the stress rod 4 along the length direction of the stress rod 4, and the stress base 6 is in threaded connection with the stress rod 4. In order to facilitate the rapid threaded connection of the stress base 6 and the stress rod 4 for the working personnel, the annular stop dog 7 is integrally formed on the side wall of the stress rod 4, and the top wall of the stop dog 7 can be abutted to the bottom wall of the stress base 6. After the stress base 6 is abutted to the stop dog 7, the worker can connect the stress base 6 with the stress rod 4 through threads. Stress seat 6 is along the length direction sliding connection of atress pole 4, makes the diapire butt of the roof of dog 7 and stress seat 6, and the staff changes not unidimensional stress seat 6 according to not unidimensional weighing scale, improves stress seat 6's suitability.

In order to facilitate the replacement of the scale pan by the staff, the stress base 6 is provided with a magnetic part 8 for adsorbing the scale pan. The staff can change the scale dish of unidimensional not, then places the scale dish on atress seat 6 and atress pole 4 and by the magnetism piece 8 absorption of atress seat 6, improves the suitability.

Referring to fig. 1 and 2, a dust cover 5 is mounted on the inner bottom wall of the mounting seat 2, a receiving hole for receiving the ball seat 3 and the force-bearing rod 4 is formed in the top wall of the dust cover 5, and the force-bearing rod 4 is spherically hinged in the side wall of the receiving hole. The stress base 6 is positioned above the dust cover 5, and the dust cover 5 can not contact with the stress base 6 in the process that the stress rod 4 rotates relative to the ball base 3. The dust cover 5 seals the opening at the top of part of the mounting seat 2, and intercepts sundries partially entering the mounting seat 2, so that the neatness in the mounting seat 2 is improved, and the sundries are effectively prevented from entering the mounting seat 2 and preventing the stress rod 4 from rotating.

Referring to fig. 1 and 2, the dust cover 5 is slidably coupled in the mount 2 along the longitudinal direction of the force receiving rod 4, the outer side wall of the dust cover 5 contacts the inner side wall of the mount 2, and the dust cover 5 is screwed to the mount 2. Dust cover 5 can be dismantled with mount pad 2 and be connected, makes things convenient for the staff to carry out inside clearance to mount pad 2 and dust cover 5.

The implementation principle of the weighing force sensor device in the embodiment of the application is as follows: the staff places the medicine on the pan scale, then receives the power back that the pan scale transmitted to come by force pole 4, and

ball

41 and 3 ball joint of ball seat keep relative static back between ball 41 and the ball seat 3, and mount pad 2 only bears the pan scale along the power of vertical direction, weighs more accurately to the medicine.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A weighing force sensor apparatus, characterized by: including supporting seat (1) and mount pad (2), set up force sensor in supporting seat (1), the diapire and the force sensor fixed connection of mount pad (2), open-top and inside cavity of mount pad (2), be provided with ball seat (3) on the interior diapire of mount pad (2), be provided with atress pole (4) in mount pad (2), the one end of atress pole (4) is provided with ball portion (41), the other end is used for being connected with the balance, ball portion (41) and ball seat (3) ball joint.

2. A weighing force sensor device according to claim 1, wherein: be provided with dust cover (5) on the diapire in mount pad (2), offer the accommodation hole that is used for holding ball seat (3) and atress pole (4) on the roof of dust cover (5), atress pole (4) ball joint is in the lateral wall of accommodation hole.

3. A weighing force sensor device according to claim 2, wherein: dust cover (5) are along the length direction sliding connection of atress pole (4) in mount pad (2), the lateral wall of dust cover (5) and the inside wall contact of mount pad (2), dust cover (5) and mount pad (2) threaded connection.

4. A weighing force sensor device according to claim 2, wherein: the dust cover is characterized in that a stress seat (6) is arranged on the stress rod (4), the upper plane of the stress seat (6) is horizontal to the upper plane of the stress rod (4), and the stress seat (6) is located above the dust cover (5).

5. A weighing force sensor device according to claim 4, wherein: the stress base (6) is connected in the stress rod (4) in a sliding mode along the length direction of the stress rod (4), and the stress base (6) is connected with the stress rod (4) in a threaded mode.

6. A weighing force transducer device according to claim 5, wherein: the side wall of the stress rod (4) is provided with a stop block (7), and the top wall of the stop block (7) can be abutted against the bottom wall of the stress seat (6).

7. A weighing force sensor device according to claim 4, wherein: and a magnetic part (8) for adsorbing the scale pan is arranged on the stress seat (6).

8. A weighing force sensor device according to claim 1, wherein: the supporting seat is characterized in that a base (9) is arranged on the bottom wall of the supporting seat (1), and a connecting bolt (10) used for being in threaded connection with the ground is arranged on the base (9).