CN217084060U

CN217084060U - Metering calibration device for mechanical instrument

Info

Publication number: CN217084060U
Application number: CN202220892830.XU
Authority: CN
Inventors: 李贺佳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-07-29
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to a mechanical instrument measurement calibration technical field, concretely relates to measurement calibrating device for mechanical instrument, include: the improved structure of the spring assembly comprises an outer shell and an assembly block, wherein sliding grooves are formed in two sides of the outer shell, a lifting ring is fixed at the top of the assembly block, an assembly connector is sleeved at the bottom of the assembly block and is in threaded connection with the top of the outer shell, a spring is arranged inside the outer shell, and the top of the spring is connected with the assembly block. The utility model discloses with present general integral setting up to one divide into three, indicate the design of shell body and assembly piece, spring and sliding block triplex split formula structure promptly, make it through lead to screw thread plug-in connection between assembly connector and the shell body, assembly piece, spring and sliding block that can be quick separate and assemble, need not to change the shell body is whole, reduce extravagantly.

Description

Metering calibration device for mechanical instrument

Technical Field

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

Background

The instrument is a general name of all mechanical instruments based on the principle of stress and stress effect, the spring balance is called spring dynamometer, it is a device for measuring acting force made up by using the relationship of deformation of spring and external force in direct proportion, the spring balance is divided into two types of pressure and tension, the lower end of tension spring balance is connected with a hook, the measured object is hung on the hook, the spring can be extended, and the pointer fixed on the spring can be fallen, and because in the elastic limit, the extension of spring is in direct proportion to the external force, so that the acting force or object gravity can be directly read out from the scale value on the shell indicated by pointer of spring balance.

The measurement calibrating device for mechanical instrument of this kind that has now can exceed the elasticity scope of spring when meetting overweight measurement article, can make the spring take place deformation like this often and influence the measurement accuracy, because the most formula structure as an organic whole of structure, also is inconvenient to change its inside spring.

To this end, we have devised a metrological calibration device for mechanical instruments to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measurement calibrating device for mechanical instrument to provide the most formula structure as an organic whole of structure in solving above-mentioned background art, also inconvenient carry out the problem of changing to its inside spring.

In order to achieve the above object, the utility model provides a following technical scheme: a metrological calibration device for a mechanical instrument, comprising: the sliding block comprises an outer shell and an assembly block, sliding grooves are formed in two sides of the outer shell, a lifting ring is fixed at the top of the assembly block, an assembly connector is sleeved at the bottom of the assembly block, the assembly connector is in threaded connection with the top of the outer shell, a spring is arranged inside the outer shell, the top of the spring is connected with the assembly block, a sliding block is installed at the bottom of the spring, indicating needles are arranged at two ends of the sliding block and penetrate through the sliding grooves to extend to the surface of the outer shell, drag hooks are installed at the bottom of the sliding block, and the drag hooks penetrate through the bottom of the outer shell to extend to the bottom surface of the outer shell.

Preferably, the surface of the outer shell is provided with a given scale mark.

Preferably, the surface of the assembling block is provided with an annular block, the inner wall of the assembling connector is provided with an annular groove, and the annular block is embedded in the annular groove and is in sliding connection with the annular groove.

Preferably, the bottom of the assembling block and the top of the sliding block are both fixed with hanging rings, hooks are arranged at the upper end and the lower end of the spring, and the hooks are matched with the hanging rings.

Preferably, the joint of the assembly connector and the top of the outer shell is pressed with a gasket.

Compared with the prior art, the beneficial effects of the utility model are that: this a measurement calibrating device for mechanical instrument, traditional structure compares, integral setting general now is divided into three for one, indicate shell body and assembly piece promptly, the design of spring and sliding block triplex split formula structure, make it through leading to screw thread bayonet connection between assembly connector and the shell body, assembly piece that can be quick, spring and sliding block separate and the equipment, need not wholly changing the shell body, it is extravagant to reduce, simultaneously through the pointer vertical sliding action in the sliding tray, at the elastic range that exceeds the spring, can make the spring directly stop to take place deformation, thereby realized that this carries out effectual protection to the spring when overweight, thereby it is accurate also to have prolonged whole life, its overall structure goes up simple in design rationally, the practicality is very high, easily popularize and apply.

Drawings

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

FIG. 2 is a partial perspective view of the outer shell of the present invention;

FIG. 3 is a partial perspective view of the interior of the outer shell of the present invention;

FIG. 4 is a perspective view of the assembly block of the present invention;

fig. 5 is a schematic perspective view of the spring of the present invention;

fig. 6 is a schematic perspective view of the sliding block of the present invention.

In the figure: 1. an outer housing; 2. a sliding groove; 3. assembling the block; 4. lifting a ring; 5. assembling a connector; 6. a ring block; 7. an annular groove; 8. hanging a ring; 9. a spring; 10. hooking; 11. a slider; 12. an indicator needle; 13. and (4) pulling a hook.

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. 1-6, the present invention provides an embodiment: a metrological calibration device for a mechanical instrument, comprising: the assembling device comprises an outer shell 1 and an assembling block 3, sliding grooves 2 are formed in two sides of the outer shell 1, scale marks are arranged on the surface of the outer shell 1, the surface scale marks are convenient for a user to observe, a lifting ring 4 is fixed on the top of the assembling block 3, an assembling connector 5 is sleeved at the bottom of the assembling block 3, the assembling connector 5 is in threaded connection with the top of the outer shell 1, an annular block 6 is arranged on the surface of the assembling block 3, an annular groove 7 is formed in the inner wall of the assembling connector 5, the annular block 6 is embedded in the annular groove 7 and is in sliding connection with the annular groove 7, according to the attached

drawings

3 and 4, after the assembling connector 5 is inserted into the top of the outer shell 1 in an aligning mode, the assembling connector 5 is rotated and screwed into the outer shell 1 through the sliding effect of the annular block 6 in the annular groove 7, and the assembling block 3 is convenient to disassemble;

furthermore, gaskets are pressed at the joints of the assembly connector 5 and the top of the outer shell 1, so that the fit clearance between the assembly connector 5 and the outer shell 1 can be reduced through the gaskets, and the effects of buffering and preventing threads from loosening naturally can be achieved;

the spring 9 is installed inside the outer shell 1, the top of the spring 9 is connected with the assembling block 3, the bottom of the assembling block 3 and the top of the sliding block 11 are both fixed with hanging rings 8, the upper end and the lower end of the spring 9 are both provided with hooks 10, and the hooks 10 are matched with the hanging rings 8, according to the attached drawings of fig. 3 and 5, the hooks 10 at the upper end and the lower end of the spring 9 are respectively hung on the hanging rings 8 at the bottom of the assembling block 3 and the top of the sliding block 11, so that the assembling block 3, the spring 9 and the sliding block 11 can be quickly separated and assembled, the whole outer shell 1 does not need to be replaced, and waste is reduced;

sliding block 11 is installed to spring 9's bottom, and sliding block 11's both ends all are provided with pointer 12 to pointer 12 runs through sliding tray 2 and extends to shell body 1 surface, and drag hook 13 is installed to sliding block 11's bottom, and drag hook 13 runs through shell body 1 bottom and extends to shell body 1 bottom surface.

The working principle is as follows: during assembly, the drag hook 13 is driven by the outer shell 1 to be wholly downward, the sliding block 11 is close to the port of the outer shell 1, the hook 10 at one end of the spring 9 is hooked on the hanging ring 8 at the top of the sliding block 11, the other end of the spring 9 is hooked on the hanging ring 8 at the bottom of the assembly block 3, then the assembly connector 5 is aligned with the top of the outer shell 1 to be inserted, the annular sliding action of the annular block 6 in the annular groove 7 is utilized, the assembly connector 5 is rotatably inserted into the top of the outer shell 1 to be fixed, the assembly operation can be completed, and otherwise, the assembly connector can be rapidly disassembled;

during the use, place mechanical testing article back on drag hook 13, under the action of gravity, drive spring 9 down to make sliding block 11 of being connected with spring 9 drive pointer 12 down along sliding tray 2, observe pointer 12 position department on shell 1 surface afterwards, can accomplish the measurement operation, above this the utility model discloses a theory of operation.

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. A metrological calibration device for a mechanical instrument, comprising: the device comprises an outer shell (1) and an assembling block (3), wherein sliding grooves (2) are formed in two sides of the outer shell (1), a lifting ring (4) is fixed at the top of the assembling block (3), an assembling connector (5) is sleeved at the bottom of the assembling block (3), the assembly connector (5) is in threaded connection with the top of the outer shell (1), a spring (9) is arranged in the outer shell (1), the top of the spring (9) is connected with the assembling block (3), a sliding block (11) is installed at the bottom of the spring (9), indicating needles (12) are arranged at two ends of the sliding block (11), and the indicating needle (12) penetrates through the sliding groove (2) and extends to the surface of the outer shell (1), the bottom of the sliding block (11) is provided with a draw hook (13), and the draw hook (13) penetrates through the bottom of the outer shell (1) and extends to the bottom surface of the outer shell (1).

2. A metrological calibration device as claimed in claim 1, in which: the surface of the outer shell (1) is provided with scale marks.

3. A metrological calibration device as claimed in claim 1, in which: the surface of assembly piece (3) is provided with annular block (6), ring channel (7) have been seted up to the inner wall of assembly connection head (5), embedded and ring channel (7) sliding connection in ring channel (7) in annular block (6).

4. A metrological calibration device as claimed in claim 1, in which: the assembly block (3) bottom and sliding block (11) top all are fixed with link (8), the upper and lower both ends of spring (9) all are provided with couple (10), and couple (10) and link (8) fit for.

5. A metrological calibration device as claimed in claim 1, in which: the joint of the assembly connector (5) and the top of the outer shell (1) is pressed with a gasket.