CN220380671U - Calibrating equipment for mechanical metering - Google Patents

Abstract

The utility model belongs to the technical field of metering calibration equipment, in particular to calibration equipment for mechanical metering, which comprises a shell; the side wall inside the shell is fixedly connected with symmetrically distributed fixing columns; the pair of fixed columns are respectively connected with a rotating block in a rotating way, and the positions of the pair of rotating blocks are corresponding; the top of the shell is connected with an adjusting column through a first thread groove in a threaded manner, and the adjusting column is contacted with a rotating block at one side; the utility model provides a measure calibration equipment is inside spring because of long-term use for the spring takes place deformation and is elongated and can not reset, and then makes the pointer that indicates weight can not reset, influences equipment life, consequently need change the inside spring of equipment, but current calibration equipment, the shell adopts the bonding more, can appear bonding after opening not tight, leads to inside entering dust or the water of equipment, or adopts bolt fastening, and is very loaded down with trivial details to opening or the closure of equipment, influences the problem to the inside spring efficiency of changing of equipment.

Description

Calibrating equipment for mechanical metering

Technical Field

The utility model belongs to the technical field of metering calibration equipment, and particularly relates to calibration equipment for mechanical metering.

Background

The mechanical instrument calibration is mainly used for metering and calibrating instruments such as mass, torque, hardness, pressure, vacuum, vibration, impact, rotating speed, constant acceleration, flow and the like, and the mechanical metering and calibrating equipment is divided into a plurality of types, wherein a spring balance, also called a spring dynamometer, is a device for measuring the magnitude of acting force, which is manufactured by utilizing the proportional relation between the deformation of a spring and the external force.

In the prior art, the spring in the metering calibration equipment is deformed and prolonged for long-term use, so that the spring cannot be reset, and further the pointer for indicating the weight cannot be reset, so that the service life of the equipment is influenced, and the spring in the equipment is required to be replaced, but the existing calibration equipment is mainly provided with an outer shell which is bonded, and the inside of the equipment is not tightly bonded after being opened, so that dust or water enters the equipment, or is fixed by bolts, the equipment is very complicated to open or close, and the replacement efficiency of the spring in the equipment is influenced.

Disclosure of Invention

In order to make up the defect of the prior art, the spring inside the metering calibration equipment is used for a long time, so that the spring is deformed, elongated and cannot reset, and then the pointer for indicating the weight cannot reset, the service life of the equipment is influenced, and therefore the spring inside the equipment needs to be replaced, but the existing calibration equipment is mainly provided with an outer shell, the outer shell is adhered, the outer shell is not adhered tightly after being opened, dust or water is led to enter the equipment, or the outer shell is fixed by bolts, the equipment is opened or closed, and the efficiency of replacing the spring inside the equipment is influenced.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a calibrating device for mechanical measurement, which comprises a shell; the side wall inside the shell is fixedly connected with symmetrically distributed fixing columns; the pair of fixed columns are respectively connected with a rotating block in a rotating way, and the positions of the pair of rotating blocks are corresponding; the top of the shell is connected with an adjusting column through a first thread groove in a threaded manner, and the adjusting column is contacted with a rotating block at one side; the bottoms of the pair of rotating blocks are fixedly connected with fixed blocks; the bottom of the inner wall of the shell is connected with a pair of sliding columns in a sliding way through a pair of circular through grooves; the top of the sliding column and the bottom of the fixed block are respectively provided with a hook groove; a spring is arranged between the pair of hook grooves; a corresponding groove is formed between the pair of circular through grooves; a connecting block is fixedly connected between the pair of sliding columns, and the positions of the connecting block and the corresponding groove are corresponding; a hook is fixedly connected to the bottom of the connecting block; a first square groove is formed in the top of the shell; the opposite side walls of the pair of first square grooves are provided with second square grooves; a side plate is connected between the pair of second square grooves in a sliding way; the bottom of the inner wall of the shell is provided with a clamping piece; the shell is used for fixing the position of the side plate through the clamping piece.

Preferably, the clamping piece comprises a square block; the side wall of the square block is fixedly connected with a clamping block through a spring; the bottom of the inner wall of the shell is fixedly connected with a U-shaped block, and the clamping block is connected in the U-shaped block in a sliding way; the inner side wall of the side plate is provided with a clamping groove, and the clamping block is matched with the clamping groove; the side wall of the clamping block is fixedly connected with a pulling column, and the pulling column penetrates through the square block and the shell.

Preferably, a cross column is fixedly connected between the pair of sliding columns, and penetrates through one side of the sliding column; the bottom of the shell is connected with a limiting column through a second thread groove in a threaded manner, and the positions of the limiting column and the transverse column are corresponding.

Preferably, the shell is fixedly connected with first magnetic blocks on the opposite inner walls; the inner side wall of the side plate is fixedly connected with a pair of second magnetic blocks, the positions of the first magnetic blocks and the second magnetic blocks are corresponding, and the first magnetic blocks and the second magnetic blocks are attracted magnetically.

Preferably, the cross section of the clamping block is right trapezoid; the bottom of the side plate is provided with a first inclined plane, and the first inclined plane corresponds to the inclined plane of the clamping block in position.

Preferably, a pair of sealing gaskets are fixedly connected to the opposite side walls of the second square groove.

The beneficial effects of the utility model are as follows:

1. according to the calibrating device for mechanical metering, the side plates are fixed through the clamping pieces, the side plates can be conveniently opened and closed, the springs between the fixed blocks and the sliding columns are conveniently replaced, the springs which are excessively stretched or used for many times for a long time are located in the shell, the disassembly and the assembly of the shell are complicated, the replacement process of internal parts is complicated, the adjusting columns are screwed to extrude the rotating blocks on the upper layer, the rotating blocks on the lower layer are extruded through the rotating blocks on the upper layer, and then the pre-deformation length of the springs is adjusted, so that the metering device is calibrated.

2. According to the calibrating device for mechanical metering, when an object pulls a pair of sliding columns to slide downwards through the transverse columns at the tops of the limiting columns, the height of the limiting columns is set, the deformation length of the springs can be determined, the phenomenon that the springs on the sliding columns are excessively prolonged to damage the springs due to multiple excessive prolonged times is avoided, the sliding depth of the sliding columns can be changed by rotating the limiting columns, and the calibrating device can bear larger object weighing by changing the springs on the sliding columns and then adjusting the heights of the limiting columns.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a partial block diagram of the present utility model;

FIG. 3 is a side cross-sectional view of the present utility model;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is a rear cross-sectional view of the present utility model;

in the figure: 1. a housing; 2. a rotating block; 3. an adjusting column; 4. a fixed block; 5. a sliding column; 6. a corresponding groove; 7. a connecting block; 8. a hook; 9. a first square groove; 10. a second square groove; 11. a side plate; 12. square blocks; 13. a clamping block; 14. a U-shaped block; 15. a clamping groove; 16. pulling the column; 17. a cross column; 18. a limit column; 19. a first magnetic block; 20. a second magnetic block; 21. a first inclined surface.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 5, a calibration device for mechanical measurement according to an embodiment of the present utility model includes a housing 1; the side wall of the inner part of the shell 1 is fixedly connected with symmetrically distributed fixed columns; the pair of fixed columns are respectively connected with a rotating block 2 in a rotating way, and the positions of the pair of rotating blocks 2 are corresponding; the top of the shell 1 is connected with an adjusting column 3 through a first thread groove in a threaded manner, and the adjusting column 3 is contacted with a rotating block 2 at one side; the bottoms of the pair of rotating blocks 2 are fixedly connected with fixed blocks 4; the bottom of the inner wall of the shell 1 is connected with a pair of sliding columns 5 in a sliding manner through a pair of circular through grooves; the top of the sliding column 5 and the bottom of the fixed block 4 are respectively provided with a hook groove; a spring is arranged between the pair of hook grooves; a corresponding groove 6 is formed between the pair of circular through grooves; a connecting block 7 is fixedly connected between the pair of sliding columns 5, and the positions of the connecting block 7 and the corresponding groove 6 are corresponding; the bottom of the connecting block 7 is fixedly connected with a hook 8; a first square groove 9 is formed in the top of the shell 1; a pair of opposite side walls of the first square groove 9 are respectively provided with a second square groove 10; a side plate 11 is slidably connected between the pair of second square grooves 10; a clamping piece is arranged at the bottom of the inner wall of the shell 1; the shell 1 fixes the position of the side plate 11 through a clamping piece; during operation, through the screens piece to curb plate 11 fixed, can conveniently open and close curb plate 11, and then conveniently change the spring between fixed block 4 and the slip post 5, and the spring that excessive extension or long-term repetitious usage is located inside casing 1, casing 1's dismantlement and installation are loaded down with trivial details for the process that the internals was changed is too loaded down with trivial details, through twisting adjusting post 3, makes adjusting post 3 extrusion upper rotating block 2, and then extrudees lower floor's rotating block 2 through upper rotating block 2, then adjusts the predeformation length of a pair of spring, in order to calibrate the equipment of adding, inside other structures are prior art, do not make concrete description here.

The clamping piece comprises a square block 12; the side wall of the square block 12 is fixedly connected with a clamping block 13 through a spring; the bottom of the inner wall of the shell 1 is fixedly connected with a U-shaped block 14, and the clamping block 13 is slidably connected in the U-shaped block 14; the inner side wall of the side plate 11 is provided with a clamping groove 15, and the clamping block 13 is matched with the clamping groove 15; the side wall of the clamping block 13 is fixedly connected with a pulling column 16, and the pulling column 16 penetrates through the square block 12 and the shell 1; during operation, through pulling post 16, make screens piece 13 break away from the spacing of screens groove 15 for curb plate 11 can upwards move, can upwards slide the curb plate 11 and open, then conveniently maintain and change the part to inside, dismantle and install the mode of measuring equipment shell comparatively simply, save time and manpower.

A cross column 17 is fixedly connected between the pair of sliding columns 5, and the cross column 17 penetrates through one side of the sliding column 5; the bottom of the shell 1 is connected with a limit post 18 through a second thread groove in a threaded manner, and the positions of the limit post 18 and the transverse post 17 are corresponding; during operation, when the object pulls a pair of sliding columns 5 to slide downwards through the transverse columns 17 at the tops of the limiting columns 18, the height of the limiting columns 18 is set, the deformation length of the springs can be determined, the springs are prevented from being excessively stretched, the springs on the sliding columns 5 are excessively stretched for many times, the springs are damaged, the sliding depth of the sliding columns 5 can be changed by rotating the limiting columns 18, the springs on the sliding columns 5 are replaced, and then the height of the limiting columns 18 is adjusted, so that the calibration equipment can bear larger object for weighing.

The opposite inner walls of the shell 1 are fixedly connected with first magnetic blocks 19; the inner side wall of the side plate 11 is fixedly connected with a pair of second magnetic blocks 20, the positions of the first magnetic blocks 19 and the second magnetic blocks 20 are corresponding, and the first magnetic blocks 19 and the second magnetic blocks 20 are magnetically attracted; during operation, through the establishment of the first magnetic block 19 and the second magnetic block 20, when the side plate 11 is opened upwards, the first magnetic block 19 and the second magnetic block 20 are mutually attracted, so that the side plate 11 is prevented from sliding downwards, and the replacement of internal parts is prevented from being influenced.

The cross section of the clamping block 13 is right trapezoid; the bottom of the side plate 11 is provided with a first inclined plane 21, and the first inclined plane 21 corresponds to the inclined plane of the clamping block 13; during operation, through the corresponding position of the inclined plane of the clamping block 13 and the first inclined plane 21, the side plate 11 can slide downwards, the inclined plane of the clamping block 13 is directly extruded, then the side plate 11 moves downwards further, the clamping block 13 enters the clamping groove 15, fixing is completed, and operation steps are simplified.

Sealing gaskets are fixedly connected to the opposite side walls of the pair of second square grooves 10; during working, the sealing gasket is more difficult to vote, so that the conditions of water inflow and the like in the calibration equipment can be avoided, and the equipment is damaged.

Working principle: the side plate 11 is fixed by the clamping piece, the side plate 11 can be conveniently opened and closed, the spring between the fixed block 4 and the sliding column 5 is conveniently replaced, the spring which is excessively stretched or is repeatedly used for a long time is positioned in the shell 1, the disassembly and the assembly of the shell 1 are complicated, the replacement process of internal parts is excessively complicated, the adjusting column 3 is screwed to extrude the upper rotating block 2, the lower rotating block 2 is extruded by the upper rotating block 2, then the pre-deformation length of the pair of springs is adjusted, the metering equipment is calibrated, the rest of internal structure is the prior art, the clamping block 13 is separated from the limit of the clamping groove 15 by pulling the pulling column 16, the side plate 11 can be upwards moved, the side plate 11 can be upwards slid to be opened, and then the parts are conveniently maintained and replaced, the method for disassembling and installing the shell of the metering equipment is simpler, saves time and labor, can ensure that when an object pulls a pair of sliding columns 5 to slide downwards through the transverse columns 17 at the tops of the limiting columns 18, the height setting of the limiting columns 18 can determine the deformation length of the springs, avoid the springs from being excessively prolonged, lead the springs on the sliding columns 5 to be excessively prolonged for many times and damage the springs, can change the sliding depth of the sliding columns 5 through rotating the limiting columns 18, can weigh larger objects by changing the springs on the sliding columns 5 and then adjusting the height of the limiting columns 18, can ensure that when the side plates 11 are opened upwards, the first magnetic blocks 19 and the second magnetic blocks 20 are mutually attracted, avoid the sliding down of the side plates 11 and influence the replacement of internal parts, and correspond to the positions of the first inclined planes 21 through the inclined planes of the clamping blocks 13, the side plate 11 can be made to slide downwards, the inclined surface of the clamping block 13 is directly extruded, then the side plate 11 is made to move downwards further, the clamping block 13 enters the clamping groove 15 to finish fixing, the operation steps are simplified, the sealing gasket is more difficult to vote, the conditions of water inflow and the like in the calibration equipment can be avoided, and the equipment is damaged.

The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A calibration device for mechanical metrology, characterized by: comprises a shell (1); the side wall of the inner part of the shell (1) is fixedly connected with symmetrically distributed fixed columns; the pair of fixed columns are respectively connected with a rotating block (2) in a rotating way, and the positions of the pair of rotating blocks (2) are corresponding; the top of the shell (1) is connected with an adjusting column (3) through a first thread groove in a threaded manner, and the adjusting column (3) is contacted with a rotating block (2) at one side; the bottoms of the pair of rotating blocks (2) are fixedly connected with fixed blocks (4); the bottom of the inner wall of the shell (1) is connected with a pair of sliding columns (5) in a sliding way through a pair of circular through grooves; the top of the sliding column (5) and the bottom of the fixed block (4) are respectively provided with a hook groove; a spring is arranged between the pair of hook grooves; a corresponding groove (6) is formed between the pair of circular through grooves; a connecting block (7) is fixedly connected between the pair of sliding columns (5), and the positions of the connecting block (7) and the corresponding groove (6) are corresponding; a hook (8) is fixedly connected to the bottom of the connecting block (7); a first square groove (9) is formed in the top of the shell (1); the opposite side walls of the pair of first square grooves (9) are respectively provided with a second square groove (10); a side plate (11) is connected between the pair of second square grooves (10) in a sliding manner; the bottom of the inner wall of the shell (1) is provided with a clamping piece; the shell (1) is used for fixing the position of the side plate (11) through the clamping piece.

2. A calibration device for mechanical metrology according to claim 1, wherein: the clamping piece comprises a square block (12); the side wall of the square block (12) is fixedly connected with a clamping block (13) through a spring; the bottom of the inner wall of the shell (1) is fixedly connected with a U-shaped block (14), and the clamping block (13) is slidably connected in the U-shaped block (14); the inner side wall of the side plate (11) is provided with a clamping groove (15), and the clamping block (13) is matched with the clamping groove (15); the side wall of the clamping block (13) is fixedly connected with a pulling column (16), and the pulling column (16) penetrates through the square block (12) and the shell (1).

3. A calibration device for mechanical metrology according to claim 2, wherein: a cross column (17) is fixedly connected between the pair of sliding columns (5), and the cross column (17) penetrates through one side of the sliding column (5); the bottom of the shell (1) is connected with a limiting column (18) through a second thread groove in a threaded mode, and the positions of the limiting column (18) and the transverse column (17) are corresponding.

4. A calibration device for mechanical metrology according to claim 3, wherein: the opposite inner walls of the shell (1) are fixedly connected with first magnetic blocks (19); the inner side wall of the side plate (11) is fixedly connected with a pair of second magnetic blocks (20), the positions of the first magnetic blocks (19) and the second magnetic blocks (20) are corresponding, and the first magnetic blocks (19) and the second magnetic blocks (20) are attracted magnetically.

5. The calibration device for mechanical metrology of claim 4, wherein: the cross section of the clamping block (13) is in a right trapezoid shape; the bottom of the side plate (11) is provided with a first inclined plane (21), and the first inclined plane (21) corresponds to the inclined plane of the clamping block (13).

6. A calibration device for mechanical metrology according to claim 5, wherein: and sealing gaskets are fixedly connected to the opposite side walls of the pair of second square grooves (10).