CN210625839U

CN210625839U - Metering calibration device for mechanical instrument

Info

Publication number: CN210625839U
Application number: CN201922161506.1U
Authority: CN
Inventors: 胡娟娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-05-26
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a measurement calibrating device for mechanical instrument, including casing, couple, aligning gear, activity groove and spring, the inner wall of casing is provided with the activity groove, the top in the inside activity groove of casing is provided with aligning gear, aligning gear's inside has set gradually thread bush, threaded rod, regulating plate and connecting plate, thread bush and casing fixed connection, the inside of thread bush is provided with the threaded rod, aligning gear's one end extends to the inside and the fixedly connected with spring in activity groove, the bottom fixedly connected with of the inside spring of activity groove draws the arm, the central point that the arm bottom was drawn to the activity inslot portion puts fixedly connected with display mechanism, display mechanism's one end extends to the outside and the fixedly connected with couple of casing. The utility model discloses not only realized the function of this mechanism protection spring and pointer when overweight, realized the function of this mechanism's calibration of being convenient for, reduced the inside frictional force of this mechanism moreover.

Description

Metering calibration device for mechanical instrument

Technical Field

The utility model relates to a mechanical measuring instrument technical field specifically is a measurement calibrating device for mechanical instrument.

Background

Mechanical instruments are common devices in life, and metering and calibrating devices for the mechanical instruments are important components of the mechanical instruments, so that the devices on the market are various and can basically meet the use requirements of people, but certain problems still exist, and the following points exist in the specific problems:

(1) the traditional metering and calibrating device for the mechanical instrument has low service life due to insufficient protection;

(2) the traditional metering calibration device for the mechanical instrument is inconvenient to calibrate, so that the device is extremely inconvenient to use;

(3) the conventional metering and calibrating device for the mechanical instrument has large internal friction force, so that the measuring error is large when the device is used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measurement calibrating device for mechanical instrument to provide the great problem of device protectiveness not enough, inconvenient calibration and inside frictional force in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a measurement calibrating device for mechanical instrument, includes casing, couple, aligning gear, activity groove and spring, the inner wall of casing is provided with the activity groove, the top in the inside activity groove of casing is provided with aligning gear, aligning gear's inside has set gradually thread bush, threaded rod, regulating plate and connecting plate, thread bush and casing fixed connection, the inside of thread bush is provided with the threaded rod, aligning gear's one end extends to the inside and the fixedly connected with spring in activity groove, the bottom fixedly connected with of the inside spring in activity groove draws the arm, the inside central point that draws the arm bottom of activity groove puts fixedly connected with display mechanism, display mechanism's one end extends to the outside and the fixedly connected with couple of casing.

Preferably, the equal fixedly connected with fixed plate in both sides on casing top, and the equal fixedly connected with handle in top of fixed plate, one side in the inside activity groove of casing is provided with logical groove, the inside one side that keeps away from the activity groove that leads to the groove of casing is provided with the scale groove, the inside scale groove of casing is kept away from one side that leads to the groove and is provided with the fixed slot, the inside activity groove of casing is kept away from the both sides that lead to the groove and all is provided with the spacing groove.

Preferably, the scale groove is internally provided with scale plates fixedly connected to the outer wall of the shell on two sides of the through groove, and the outer wall of the shell inside the fixing groove is fixedly provided with a transparent plate.

Preferably, the equal fixedly connected with gag lever post in one side that the draw plate is close to the spacing groove, and the one end of gag lever post all extends to the inside of spacing groove and articulates there is the pulley, the pulley is mutually supported with the spacing groove.

Preferably, the inside of display mechanism has set gradually pull rod, connecting rod and pointer, the one end of pull rod extend to the outside of casing and with couple fixed connection, fixedly connected with connecting rod on the outer wall of one side that the pull rod top is close to logical groove, the one end of connecting rod extends to scale plate one side and fixedly connected with pointer inside the scale groove.

Preferably, one end of the threaded rod extends to the outside of the shell and is fixedly connected with an adjusting plate, the other end of the threaded rod extends to the inside of the movable groove and is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the spring.

Compared with the prior art, the beneficial effects of the utility model are that: the metering and calibrating device for the mechanical instrument not only realizes the functions of protecting the spring and the pointer when the mechanism is overweight, realizes the function of facilitating calibration of the mechanism, but also reduces the friction force in the mechanism;

(1) when the pulley moves to the bottom end of the limiting groove, the pulley can enable the pulling plate not to move downwards through the limiting rod, and the connecting rod and the pointer are located at the bottom of the movable groove at the moment, so that the function of protecting the spring and the pointer when the mechanism is overweight is realized, and the service life of the metering and calibrating device for the mechanical instrument is prolonged;

(2) by rotating the adjusting plate, under the action of the threaded sleeve, the threaded rod can drive the pointer to move in the scale groove through the connecting plate, the spring, the pull plate, the pull rod and the connecting rod, so that the function of facilitating calibration of the mechanism is realized, and the convenience of the metering and calibrating device for the mechanical instrument in use is improved;

(3) the limiting grooves are formed in the two sides of the movable groove in the shell, the limiting rod is fixedly connected to one side, close to the limiting groove, of the pulling plate in the movable groove, one end of the limiting rod extends into the limiting groove and is hinged to the pulley, sliding friction of the mechanism is changed into rolling friction when the mechanism is used, friction force inside the mechanism is reduced, and therefore measuring errors of the measuring and calibrating device for the mechanical instrument are reduced when the measuring and calibrating device is used.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention;

fig. 4 is a schematic top view of the cross-sectional structure of the present invention.

In the figure: 1. a housing; 2. hooking; 3. a transparent plate; 4. a scale plate; 5. a display mechanism; 501. a pull rod; 502. a connecting rod; 503. a pointer; 6. a calibration mechanism; 601. a threaded sleeve; 602. a threaded rod; 603. an adjusting plate; 604. a connecting plate; 7. a handle; 8. fixing grooves; 9. a through groove; 10. a movable groove; 11. a limiting groove; 12. a limiting rod; 13. a spring; 14. a fixing plate; 15. pulling the guide plate; 16. a pulley; 17. a scale groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a metering calibration device for a mechanical instrument comprises a shell 1, a hook 2, a calibration mechanism 6, a movable groove 10 and a spring 13, wherein the movable groove 10 is formed in the inner wall of the shell 1, the calibration mechanism 6 is arranged at the top end of the movable groove 10 in the shell 1, a threaded sleeve 601, a threaded rod 602, an adjusting plate 603 and a connecting plate 604 are sequentially arranged in the calibration mechanism 6, the threaded sleeve 601 is fixedly connected with the shell 1, the threaded rod 602 is arranged in the threaded sleeve 601, one end of the threaded rod 602 extends to the outside of the shell 1 and is fixedly connected with the adjusting plate 603, the other end of the threaded rod 602 extends to the inside of the movable groove 10 and is fixedly connected with the connecting plate 604, and the connecting plate 604 is fixedly connected with;

specifically, as shown in fig. 2 and 3, when the mechanism is used, firstly, the adjusting plate 603 is rotated, the adjusting plate 603 drives the threaded rod 602 to rotate, and under the action of the threaded sleeve 601, the threaded rod 602 drives the pointer 503 to move inside the scale groove 17 through the connecting plate 604, the spring 13, the pull plate 15, the pull rod 501 and the connecting rod 502, so that the function of the mechanism for facilitating calibration is realized, and the convenience of the metering calibration device for the mechanical instrument is improved;

one end of the calibration mechanism 6 extends into the movable groove 10 and is fixedly connected with a spring 13, the bottom end of the spring 13 in the movable groove 10 is fixedly connected with a pull plate 15, the central position of the bottom end of the pull plate 15 in the movable groove 10 is fixedly connected with a display mechanism 5, a pull rod 501, a connecting rod 502 and a pointer 503 are sequentially arranged in the display mechanism 5, one end of the pull rod 501 extends to the outside of the shell 1 and is fixedly connected with the hook 2, the connecting rod 502 is fixedly connected to the outer wall of one side of the top of the pull rod 501 close to the through groove 9, and one end of the connecting rod 502 extends to one side of the scale plate 4 in the scale groove 17 and is fixedly connected with the pointer 503;

specifically, as shown in fig. 2 and 3, when the mechanism is used, firstly, the pull rod 501 drives the pull plate 15 to move in the movable groove 10 by the force applied to the hook 2, when the weight is too heavy, the link rod 501 causes the link rod 502 and the pointer 503 to collide with the bottom end of the housing 1 to be bent, and exceeds the elastic range of the spring 13, the spring 13 is deformed, when the pulling plate 15 moves downwards, the pulling plate 15 will drive the limiting rod 12 and the pulley 16 to move in the limiting groove 11, and through the bottom end of the limiting groove 11 being higher than the bottom end of the movable groove 10, when the pulley 16 moves to the bottom end of the limiting groove 11, the pulley 16 enables the pulling plate 15 not to move downwards through the limiting rod 12, and the connecting rod 502 and the pointer 503 are located at the bottom of the movable groove 10, so that the function of protecting the spring 13 and the pointer 503 when the mechanism is overweight is realized, and the service life of the metering and calibrating device for the mechanical instrument is prolonged;

one end of the display mechanism 5 extends to the outside of the shell 1 and is fixedly connected with a hook 2, two sides of the top end of the shell 1 are fixedly connected with a fixed plate 14, the top end of the fixed plate 14 is fixedly connected with a handle 7, one side of a movable groove 10 in the shell 1 is provided with a through groove 9, one side of the through groove 9 in the shell 1, which is far away from the movable groove 10, is provided with a scale groove 17, one side of the scale groove 17 in the shell 1, which is far away from the through groove 9, is provided with a fixed groove 8, two sides of the movable groove 10 in the shell 1, which is far away from the through groove 9, are provided with limit grooves 11, the outer wall of the shell 1, which is at two sides of the through groove 9 in the scale groove 17, is fixedly connected with scale plates 4, a transparent plate 3 is fixed on the outer wall of the shell 1, which is inside the fixed groove, the pulley 16 is matched with the limiting groove 11, so that sliding friction of the mechanism is changed into rolling friction when the mechanism is used, the internal friction of the mechanism is reduced, and the measurement error of the metering and calibrating device for the mechanical instrument is reduced when the device is used.

The working principle is as follows: when the mechanism is used, firstly, the adjusting plate 603 is rotated, the adjusting plate 603 drives the threaded rod 602 to rotate, under the action of the threaded sleeve 601, the threaded rod 602 drives the pointer 503 to move in the inside of the scale groove 17 through the connecting plate 604, the spring 13, the pull plate 15, the pull rod 501 and the connecting rod 502, so that the function of the mechanism convenient for calibration is realized, the convenience of the metering calibration device for the mechanical instrument is improved, then, the limit grooves 11 are arranged on two sides of the movable groove 10 in the shell 1, one side of the pull plate 15 in the movable groove 10, which is close to the limit grooves 11, is fixedly connected with the limit rod 12, one end of the limit rod 12 extends into the limit grooves 11 and is hinged with the pulley 16, so that the sliding friction of the mechanism is changed into rolling friction when the mechanism is used, the friction force in the mechanism is reduced, and the measurement error of the metering calibration device for the mechanical instrument is reduced when the mechanism is used, finally, the pull rod 501 drives the pull plate 15 to move in the movable groove 10 by the force applied by the hook 2, when the weight is too heavy, the link rod 501 causes the link rod 502 and the pointer 503 to collide with the bottom end of the housing 1 to be bent, and exceeds the elastic range of the spring 13, the spring 13 is deformed, when the pulling plate 15 moves downwards, the pulling plate 15 will drive the limiting rod 12 and the pulley 16 to move in the limiting groove 11, and through the bottom end of the limiting groove 11 being higher than the bottom end of the movable groove 10, when the pulley 16 moves to the bottom end of the limiting groove 11, the pulley 16 can make the pulling plate 15 not move downwards through the limiting rod 12, and the connecting rod 502 and the pointer 503 are positioned at the bottom of the movable groove 10, so that the function of protecting the spring 13 and the pointer 503 when the mechanism is overweight is realized, therefore, the service life of the metering and calibrating device for the mechanical instrument is prolonged, and the work of the metering and calibrating device for the mechanical instrument is finally completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a measurement calibrating device for mechanical instrument, includes casing (1), couple (2), aligning gear (6), activity groove (10) and spring (13), its characterized in that: the inner wall of the shell (1) is provided with a movable groove (10), the top end of the movable groove (10) in the shell (1) is provided with a calibration mechanism (6), the interior of the calibration mechanism (6) is sequentially provided with a threaded sleeve (601), a threaded rod (602), an adjusting plate (603) and a connecting plate (604), the threaded sleeve (601) is fixedly connected with the shell (1), a threaded rod (602) is arranged in the threaded sleeve (601), one end of the calibration mechanism (6) extends into the movable groove (10) and is fixedly connected with a spring (13), the bottom end of the spring (13) in the movable groove (10) is fixedly connected with a pull plate (15), a display mechanism (5) is fixedly connected at the central position of the bottom end of the pull plate (15) in the movable groove (10), one end of the display mechanism (5) extends to the outside of the shell (1) and is fixedly connected with a hook (2).

2. A metrological calibration device as claimed in claim 1, in which: the utility model discloses a novel fixing device for the motor vehicle, including casing (1), the equal fixedly connected with fixed plate (14) in both sides on casing (1) top, and the equal fixedly connected with handle (7) in top of fixed plate (14), one side of casing (1) inside activity groove (10) is provided with logical groove (9), one side that activity groove (10) were kept away from to casing (1) inside logical groove (9) is provided with scale groove (17), one side that logical groove (9) were kept away from to casing (1) inside scale groove (17) is provided with fixed slot (8), the both sides that logical groove (9) were kept away from in casing (1) inside activity groove (10) all are provided with spacing groove (.

3. A metrological calibration device as claimed in claim 2, in which: equal fixedly connected with scale plate (4) on through groove (9) both sides's casing (1) outer wall in scale groove (17) inside, be fixed with transparent plate (3) on casing (1) outer wall in fixed slot (8) inside.

4. A metrological calibration device as claimed in claim 1, in which: draw one side equal fixedly connected with gag lever post (12) that draw board (15) is close to spacing groove (11), and the one end of gag lever post (12) all extends to the inside of spacing groove (11) and articulates there is pulley (16), pulley (16) and spacing groove (11) mutually support.

5. A metrological calibration device as claimed in claim 1, in which: the inside of display mechanism (5) has set gradually pull rod (501), connecting rod (502) and pointer (503), the one end of pull rod (501) extend to the outside of casing (1) and with couple (2) fixed connection, fixedly connected with connecting rod (502) on the one side outer wall that logical groove (9) is close to at pull rod (501) top, the one end of connecting rod (502) extends to inside scale plate (4) one side in scale groove (17) and fixedly connected with pointer (503).

6. A metrological calibration device as claimed in claim 1, in which: the one end of threaded rod (602) extends to the outside of casing (1) and fixedly connected with regulating plate (603), the other end of threaded rod (602) extends to the inside of activity groove (10) and fixedly connected with connecting plate (604), connecting plate (604) and spring (13) fixed connection.