CN219641075U

CN219641075U - Gravity weighing apparatus metering device

Info

Publication number: CN219641075U
Application number: CN202320643203.7U
Authority: CN
Inventors: 刘旭龙; 王萌; 王琳; 冯春晖; 桑彬
Original assignee: Harbin Metrological Verification And Testing Institute (harbin Institute Of Metrological Science And Technology)
Current assignee: Harbin Metrological Verification And Testing Institute (harbin Institute Of Metrological Science And Technology)
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-09-05
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a gravity weighing apparatus metering device, which comprises a frame with an open upper side, wherein a detection part, a transmission part and a counting part are arranged in the frame, a calibration part for calibrating the detection part is arranged on the side surface of the frame, the detection part comprises a pressing plate and a spring arranged below the pressing plate for positioning the detection part, a mounting frame is fixed at a position, close to the pressing plate, in the frame, a connecting part positioned on the upper side of the pressing plate is rotatably arranged on the side surface of the mounting frame, and the transmission part comprises a transmission plate. This gravity type weighing apparatus metering device, inside is provided with the count structure, when weighing the measurement to the object, can also count the number of object, the management after the convenience object is weighed, this metering device can also calibrate the detection structure and handle, facilitate the use, and wholly be sealed the setting, have better dustproof, dampproofing effect, avoid dust or water stain to adhere to the inside subassembly outside and influence the use.

Description

Gravity weighing apparatus metering device

Technical Field

The utility model relates to the technical field of metering devices, in particular to a gravity type weighing apparatus metering device.

Background

The weighing apparatus is an instrument for measuring the mass of an object by utilizing Hooke's law or the lever balance principle of force, and mainly comprises three parts of a bearing system (such as a scale), a force transmission conversion system (such as a lever force transmission system) and a value indicating system (such as a dial), and has wide application in the departments of industry, agriculture, commerce, scientific research, medical treatment, health and the like.

When the common mechanical weighing apparatus is used, the common mechanical weighing apparatus is only used for weighing objects, the number of the weighed objects is inconvenient to count, the number of the objects is usually counted manually, and the objects after weighing are inconvenient to manage. In addition, the mechanical weighing apparatus is easy to cause the pointer to be unable to return to zero after long-time use, and is inconvenient to carry out zero-returning calibration on the pointer, so that the metering device has some defects in use.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the gravity weighing apparatus metering device, wherein the counting structure is arranged in the weighing apparatus metering the objects, the number of the objects can be counted at the same time, the management of the objects after weighing is convenient, the metering device can calibrate the detection structure, is convenient to use, is integrally arranged in a sealing way, has good dustproof and dampproof effects, prevents dust or water from adhering to the outer side of an inner component and affecting the use, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gravity weighing apparatus metering device, includes the frame that the upside is uncovered setting, be provided with detection spare, driving medium and counting assembly in the frame, the frame side is equipped with the calibration piece to detecting the calibration of spare, the detection spare includes the clamp plate and sets up the spring to its location below the clamp plate, the position that is close to the clamp plate in the frame is fixed with the mounting bracket, the mounting bracket side rotates and is provided with the connecting piece that is located the clamp plate upside, the driving medium includes the driving plate, driving plate one end and connecting piece side swivelling joint, the driving plate other end is provided with the extension spring of being connected with the frame side.

The display part is arranged at the position, close to the transmission plate, of the inner side of the frame, the transmission plate is used for adjusting swinging of the pointer in the display part, the counting part comprises a counting plate and a zeroing knob, the zeroing knob is located on the outer side of the frame, the counting plate is arranged close to the transmission plate, the side face of the transmission plate is provided with a pressing part for pressing the counting plate, a top plate is arranged at the opening of the frame in a sealing mode, and the position, close to the display part and the counting part, of the side face of the top plate is transparent.

As a preferable technical scheme of the utility model, the detecting piece further comprises a fixed shaft, the pressing plate is arranged along the fixed shaft in a moving way, threads are formed in the lower portion of the side face of the fixed shaft, the calibrating piece comprises an adjusting nut which is arranged on the outer side of the fixed shaft through threads, and the spring is sleeved on the outer side of the fixed shaft and is positioned between the adjusting nut and the pressing plate.

As a preferable technical scheme of the utility model, a mounting hole is formed in the side surface of the frame close to the detection piece, a moving plate is slidably arranged in the mounting hole, an adjusting plate positioned on the outer side of the frame is fixed on one side of the moving plate, a limiting plate positioned on the inner side of the frame is fixed on the other side of the moving plate, first tooth grooves are uniformly formed in the side surface of the limiting plate, gears are fixed on the side surface of the adjusting nut, and clamping teeth of the side surface of the gears are meshed with the first tooth grooves.

As a preferable technical scheme of the utility model, the display piece comprises a dial fixed in the frame, a through hole is formed in the middle of the side surface of the dial, a mounting shaft rotatably mounted on the side surface of the frame is arranged in the through hole, a toothed column is coaxially fixed on the lower part of the side surface of the mounting shaft, a second tooth slot meshed with the toothed column is uniformly formed on the side surface of the transmission plate, and the pointer is fixed on the side surface of the mounting shaft.

As a preferable technical scheme of the utility model, a push rod for pressing the counting plate is arranged in the frame in a sliding manner, an elastic piece is fixed at one end of the push rod far away from the counting plate, the pressing piece comprises a positioning plate fixed on the side surface of the transmission plate, and the side surface of the positioning plate is connected with the end part of the elastic piece.

As a preferable technical scheme of the utility model, a bearing plate for supporting the top plate is arranged in the frame, and the end part of the bearing plate is erected on the upper side of the pressing plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the weighing device for the gravity weighing instrument, which is disclosed by the utility model, is internally provided with the counting structure, can count the number of objects while weighing and metering the objects, is convenient for management after weighing the objects, can calibrate the detection structure, is convenient to use, is integrally in a sealed arrangement, has better dustproof and dampproof effects, and prevents dust or water from adhering to the outer side of an internal component to influence use.

2. According to the gravity weighing apparatus metering device, an object is placed on the upper side of the top plate, the top plate is stressed to press the bearing plate, the bearing plate acts on the pressing plate, the pressing plate presses the spring according to the stressed size and moves, after the position of the pressing plate is changed, the transmission plate moves and drives the connecting piece to rotate under the action of the tension spring, the transmission plate drives the installation shaft to rotate in the moving process of the transmission plate so that the position of the pointer on the dial is changed, the greater the stress of the pressing plate is, the greater the deformation degree of the spring is, the greater the downward movement degree of the pressing plate is, the greater the rotating angle of the connecting piece is, the movable distance of the transmission plate is increased, and finally the rotating amplitude of the pointer is increased, so that objects with different weights can be weighed conveniently.

3. According to the gravity weighing apparatus metering device, the positioning plate is driven to move in the moving process of the transmission plate, the positioning plate pushes the push rod to move through the elastic piece, the push rod drives the counting plate to enable the counting piece to count and increase, the number of objects is counted while the objects are weighed, the weighing apparatus is convenient to use, the weight of the objects is heavy, the transmission plate moves too large, after the push rod moves to the maximum distance, the positioning plate and the push rod squeeze the elastic piece, and the transmission plate can be enabled to move effectively when the heavy objects are weighed.

4. According to the gravity weighing apparatus metering device, the metering device is not used, the pointer cannot return to zero on the dial, the position of the limiting plate is adjusted through the adjusting plate, and the adjusting nut is driven to move on the side face of the fixed shaft through the gear when the limiting plate moves, so that the compression state of the spring is adjusted, and the metering device is convenient to return to zero and calibrate.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model with the top plate removed;

FIG. 3 is a schematic elevational view of the structure of FIG. 2;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;

FIG. 5 is a schematic structural view of a detecting member according to the present utility model;

FIG. 6 is a schematic view of the structure of the detecting member and the connecting member when they are used together;

FIG. 7 is a schematic diagram of a driving member according to the present utility model;

FIG. 8 is a schematic diagram of the front view of the driving member of the present utility model;

fig. 9 is a schematic view of the structure of the top plate in the present utility model.

In the figure: 1 frame, 2 detecting piece, 21 fixed axle, 22 spring, 23 clamp plate, 24 adjusting nut, 25 gear, 3 mounting bracket, 4 connecting piece, 5 driving plate, 51 extension spring, 52 locating plate, 6 installation axle, 7 calibrated scale, 8 counting piece, 9 push rod, 91 elastic component, 10 movable plate, 11 limiting plate, 12 adjusting plate, 13 bearing plate, 14 roof.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-9, the present utility model provides a technical solution: the utility model provides a gravity weighing apparatus metering device, including the frame 1 that the upside is uncovered setting, be provided with detecting element 2 in the frame 1, driving medium and counting element 8, frame 1 side is equipped with the calibration piece to detecting element 2 calibration, detecting element 2 includes clamp plate 23 and set up the spring 22 to its location in clamp plate 23 below, force is detected through clamp plate 23 atress messenger spring 22 deformation, the position that is close to clamp plate 23 in the frame 1 is fixed with mounting bracket 3, the mounting bracket 3 side is provided with connecting piece 4 that is located clamp plate 23 upside through the pivot rotation, connecting piece 4 is horizontally L type structure, as shown in fig. 6, the driving medium includes driving plate 5, driving plate 5 one end and connecting piece 4 side swivelling joint, swivelling joint's mode is preferentially the hub connection, the driving plate 5 other end is provided with the extension spring 51 of being connected with frame 1 side, when this metering device is not used, extension spring 51 is in the tensile state.

The position that frame 1 inboard is close to drive plate 5 is provided with the display element, detect the piece 2 and show the size of power on the display element through the drive element after detecting the power, drive plate 5 is used for adjusting the swing of pointer in the display element, feed back the power of detection through pointer swing range, count 8 includes count plate and zero knob, count 8 is the counter preferentially, zero knob is located the frame 1 outside, the count plate is close to drive plate 5 setting, and drive plate 5 side is provided with the pressing piece of pressing the count plate, drive plate 5 removes the in-process and presses the count plate through the pressing piece, the statistics is recorded to the weight of symmetry, the uncovered department of frame 1 is sealed is provided with roof 14, roof 14 constitutes sealing environment with frame 1, play dustproof, dampproofing effect, and roof 14 side is close to the display element, the position of count 8 is transparent setting, preferably, the mounting port has been seted up to the roof 14 side to the display element, install transparent glass board or transparent plastic board in the mounting port, be convenient for observe the information that display element and count 8 show.

The detecting part 2 further comprises a fixed shaft 21, the pressing plate 23 is arranged along the fixed shaft 21 in a moving mode, threads are formed in the lower portion of the side face of the fixed shaft 21, the calibrating part comprises an adjusting nut 24 which is arranged on the outer side of the fixed shaft 21 through threads, a spring 22 is sleeved on the outer side of the fixed shaft 21 and located between the adjusting nut 24 and the pressing plate 23, and the compression degree of the spring 22 is adjusted through changing the position of the adjusting nut 24 so as to calibrate the metering device conveniently.

The mounting hole has been seted up to the position that frame 1 side is close to detecting piece 2, the sliding is provided with movable plate 10 in the mounting hole, movable plate 10 one side is fixed with the regulating plate 12 that is located the frame 1 outside, preferably, regulating plate 12 laminating is in the frame 1 outside, and regulating plate 12 length is greater than the length of mounting hole, regulating plate 12 shelters from in the mounting hole outside all the time, guarantee this metering device's leakproofness, movable plate 10 opposite side is fixed with the limiting plate 11 that is located the frame 1 inboard, and first tooth's socket has evenly been seted up to the limiting plate 11 side, regulating nut 24 side is fixed with gear 25, the latch and the first tooth's socket of gear 25 side mesh mutually, adjust the position of regulating nut 24 from the frame 1 outside, this metering device's calibration of being convenient for.

The display piece comprises a dial plate 7 fixed in the frame 1, a through hole is formed in the middle of the side surface of the dial plate 7, a mounting shaft 6 rotatably mounted on the side surface of the frame 1 is arranged in the through hole, a tooth column is coaxially fixed on the lower portion of the side surface of the mounting shaft 6, second tooth grooves meshed with the tooth column are uniformly formed in the side surface of the transmission plate 5, a pointer is fixed on the side surface of the mounting shaft 6, and the transmission plate 5 drives the tooth column to rotate in the moving process of the transmission plate 5 so that the mounting shaft 6 rotates.

The push rod 9 for pressing the counting plate is arranged in the frame 1 in a sliding manner, an elastic piece 91 is fixed at one end, far away from the counting plate, of the push rod 9, the elastic piece 91 is preferably an elastic telescopic rod, the pressing piece comprises a positioning plate 52 fixed on the side face of the transmission plate 5, and the side face of the positioning plate 52 is connected with the end portion of the elastic piece 91.

The frame 1 is internally provided with a bearing plate 13 for supporting the top plate 14, the end part of the bearing plate 13 is erected on the upper side of the pressing plate 23, a convex plate is arranged at the lower side of the top plate 14 corresponding to the position of the bearing plate 13, the top plate 14 acts on the pressing plate 23 through the bearing plate 13 after being stressed, the detection area of the pressing plate 23 is increased by the bearing plate 13, and the pressing plate 23 is convenient to use.

When in use:

placing an object on the upper side of the top plate 14, pressing the bearing plate 13 by the top plate 14 under the stress, pressing the spring 22 by the bearing plate 13 on the pressing plate 23, moving the pressing plate 23 according to the stress, moving the pressing plate 23 under the action of the tension spring 51 after the position of the pressing plate 23 is changed, driving the mounting shaft 6 to rotate in the moving process of the driving plate 5 so as to change the position of the pointer on the dial 7, wherein the larger the stress of the pressing plate 23 is, the larger the deformation degree of the spring 22 is, the larger the downward movement degree of the pressing plate 23 is, the larger the rotating angle of the connecting piece 4 is, the movable distance of the driving plate 5 is increased, and finally the rotating amplitude of the pointer is increased, so that objects with different weights can be conveniently weighed;

the driving plate 5 moves in the process of driving the positioning plate 52 to move, the positioning plate 52 pushes the push rod 9 to move through the elastic piece 91, the push rod 9 dials the counting plate to enable the counting piece 8 to count and increase, the weighing device is convenient to use, the weighing object is heavy, the driving plate 5 moves too large in amplitude, after the push rod 9 moves to the maximum distance, the positioning plate 52 and the push rod 9 squeeze the elastic piece 91, and the driving plate 5 can effectively move when the heavy object is weighed;

the metering device is not used, the pointer cannot return to zero on the dial 7, the position of the limiting plate 11 is adjusted through the adjusting plate 12, the adjusting nut 24 is driven to move on the side face of the fixed shaft 21 through the gear 25 when the limiting plate 11 moves, and therefore the compression state of the spring 22 is adjusted, and the metering device is convenient to return to zero and calibrate.

The non-disclosed parts of the utility model are all prior art, and the specific structure, materials and working principle thereof are not described in detail. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gravity weighing apparatus metering device, includes frame (1) that the upside is uncovered setting, its characterized in that: the detecting device is characterized in that a detecting part (2), a transmission part and a counting part (8) are arranged in the frame (1), a calibration part for calibrating the detecting part (2) is arranged on the side face of the frame (1), the detecting part (2) comprises a pressing plate (23) and a spring (22) arranged below the pressing plate (23) and used for positioning the detecting part, a mounting frame (3) is fixed in the frame (1) at a position close to the pressing plate (23), a connecting part (4) positioned on the upper side of the pressing plate (23) is rotatably arranged on the side face of the mounting frame (3), the transmission part comprises a transmission plate (5), one end of the transmission plate (5) is rotatably connected with the side face of the connecting part (4), and a tension spring (51) connected with the side face of the frame (1) is arranged at the other end of the transmission plate (5).

The utility model discloses a display device, including frame (1), drive plate (5), counter (8), counter (5) are provided with the display piece in the position that is close to drive plate (5) of frame (1), drive plate (5) are used for adjusting the swing of pointer in the display piece, counter (8) are including counter and zero return knob, zero return knob is located the frame (1) outside, the counter is close to drive plate (5) and sets up, and drive plate (5) side is provided with the press piece of pressing the counter, the uncovered department of frame (1) is sealed to be provided with roof (14), and roof (14) side is close to the position of display piece, counter (8) and is transparent setting.

2. A gravity scale metering device according to claim 1 wherein: the detection part (2) further comprises a fixed shaft (21), the pressing plate (23) is arranged along the fixed shaft (21) in a moving mode, threads are formed in the lower portion of the side face of the fixed shaft (21), the calibration part comprises an adjusting nut (24) which is arranged on the outer side of the fixed shaft (21) through threads, and the spring (22) is sleeved on the outer side of the fixed shaft (21) and located between the adjusting nut (24) and the pressing plate (23).

3. A gravity scale metering device according to claim 2 wherein: the device is characterized in that a mounting hole is formed in the side face of the frame (1) close to the position of the detection piece (2), a movable plate (10) is arranged in the mounting hole in a sliding mode, an adjusting plate (12) located on the outer side of the frame (1) is fixed on one side of the movable plate (10), a limiting plate (11) located on the inner side of the frame (1) is fixed on the other side of the movable plate (10), first tooth grooves are uniformly formed in the side face of the limiting plate (11), a gear (25) is fixed on the side face of the adjusting nut (24), and clamping teeth on the side face of the gear (25) are meshed with the first tooth grooves.

4. A gravity scale metering device according to claim 1 wherein: the display piece comprises a dial (7) fixed in the frame (1), a through hole is formed in the middle of the side face of the dial (7), a mounting shaft (6) rotatably mounted on the side face of the frame (1) is arranged in the through hole, a tooth column is coaxially fixed on the lower portion of the side face of the mounting shaft (6), a second tooth slot meshed with the tooth column is uniformly formed in the side face of the transmission plate (5), and the pointer is fixed on the side face of the mounting shaft (6).

5. A gravity scale metering device according to claim 1 wherein: the counting device is characterized in that a push rod (9) for pressing the counting plate is arranged in the frame (1) in a sliding mode, an elastic piece (91) is fixed at one end, far away from the counting plate, of the push rod (9), the pressing piece comprises a positioning plate (52) fixed on the side face of the transmission plate (5), and the side face of the positioning plate (52) is connected with the end portion of the elastic piece (91).

6. A gravity scale metering device according to claim 1 wherein: a bearing plate (13) for supporting the top plate (14) is arranged in the frame (1), and the end part of the bearing plate (13) is erected on the upper side of the pressing plate (23).