CN221280533U - Calibrating device of mechanical metering instrument - Google Patents
Calibrating device of mechanical metering instrument Download PDFInfo
- Publication number
- CN221280533U CN221280533U CN202322873531.9U CN202322873531U CN221280533U CN 221280533 U CN221280533 U CN 221280533U CN 202322873531 U CN202322873531 U CN 202322873531U CN 221280533 U CN221280533 U CN 221280533U
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- fixedly connected
- wall
- movable sleeve
- screw rod
- swing joint
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a calibrating device of a mechanical measuring instrument, which relates to the technical field of mechanical measuring instruments and comprises a shell, wherein a chute is formed in the outer wall of the shell, a sliding block is movably connected in the middle of the chute, a pointer is fixedly connected to the side surface of the sliding block, a scale plate is fixedly connected to the outer wall of the shell, a hook is movably connected to the top of the shell, a fixed block is fixedly connected to the bottom of the shell, a hanging ring is movably connected to the side surface of the fixed block, a calibrating knob is movably connected to the bottom of the fixed block, and a movable sleeve is movably connected to the inner wall of the shell. According to the utility model, through the joint coordination of the movable sleeve, the calibration knob, the screw rod and the connecting cylinder, the sliding block is accommodated through the movable sleeve, so that the sliding block is not directly connected with the screw rod and the connecting cylinder, and the screw rod and the connecting cylinder are not driven to synchronously operate when the sliding block moves, thereby preventing the screw rod and the connecting cylinder from being worn in frequent movement.
Description
Technical Field
The utility model relates to the technical field of mechanical measuring instruments, in particular to a calibrating device of a mechanical measuring instrument.
Background
The spring tension meter is a convenient tension measuring instrument, the weight corresponding to the scale can be obtained through conversion between the elasticity of the spring and the stretched length of the spring, and the weight corresponding to the scale is usually provided with the hook for mounting a measuring object.
According to patent publication number CN 218271200U: the utility model discloses a calibrating device for mechanical instrument metering, which comprises a device body and a movable sleeve, wherein the top of the device body is sleeved with the movable sleeve, the top end of the movable sleeve is provided with a hanging ring, the bottom end of the movable sleeve is provided with a fixed hook, the bottom end of the fixed hook is fixedly connected with a fixing frame, the top end inside the fixing frame is fixedly connected with a tension spring, the bottom end of the tension spring is welded with a fixed block, the bottom end of the fixed block is fixedly connected with a screw, and the outside of the screw is sleeved with a pointer sheet. This a calibrating device for mechanical instrument measurement is through being provided with calibration nut, screw rod, pointer piece, calibration spring, under not carrying the thing state, upwards twist the calibration nut, promote the pointer piece through the calibration nut and upwards move, the calibration spring is compressed, the index that makes pointer piece both sides under the natural state points to zero datum line, can accomplish the calibration fast, solves the problem of structure complicacy, inconvenient operation.
But the pointer sheet in the above patent can drive the calibration nut to move synchronously when moving along with the measured object, so that the calibration nut is easily worn, and the calibration accuracy is reduced, and in addition, the structure for fixing the pointer position is not arranged in the above patent, so that the pointer is easily reset along with the use of the instrument after adjustment, and the pointer is required to be calibrated frequently, and the workload of a user is increased.
Disclosure of utility model
The main object of the present utility model is to provide a calibration device for a mechanical measuring instrument, which can effectively solve the problems set forth in the background above.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a calibrating device of mechanics measuring instrument, includes the casing, the spout has been seted up to the outer wall of casing, the middle swing joint of spout has the slider, the side fixedly connected with pointer of slider, the outer wall fixedly connected with scale plate of casing, the top swing joint of casing has the couple, the bottom fixedly connected with fixed block of casing, the side swing joint of fixed block has rings, the bottom swing joint of fixed block has the calibration knob.
The technical scheme of the utility model is further improved as follows: the inner wall swing joint of casing has movable cover, the inner wall fixedly connected with spring one of movable cover, the other end and the slider fixed connection of spring one.
By adopting the technical scheme, the sliding block in the scheme pulls the first spring to extend, so that the sliding block is retracted to the inner wall of the movable sleeve through resilience of the first spring.
The technical scheme of the utility model is further improved as follows: the top fixedly connected with connecting rod of slider, the inner wall fixedly connected with of casing is spacing a section of thick bamboo, the through-hole with spacing section of thick bamboo swing joint has been seted up in the middle of the slider, the inner wall fixedly connected with limiting plate of spacing section of thick bamboo, the through-hole with connecting rod swing joint has been seted up in the middle of the limiting plate, the top and the couple fixed connection of connecting rod.
By adopting the technical scheme, the hook in the scheme drives the sliding block to move through the connecting rod, and the moving track of the connecting rod is limited to be a straight line through the limiting cylinder and the limiting plate, so that the measurement accuracy is prevented from being reduced due to the moving deflection of the hook.
The technical scheme of the utility model is further improved as follows: the axis department fixedly connected with screw rod of calibration knob, the top of screw rod is provided with the connecting cylinder, connecting cylinder fixed connection is in the bottom of movable sleeve.
By adopting the technical scheme, the connecting cylinder in the scheme drives the movable sleeve to move, so that the sliding block is driven to move.
The technical scheme of the utility model is further improved as follows: the inner wall of the connecting cylinder is provided with built-in threads which are meshed with the screw rod.
By adopting the technical scheme, the calibration knob in the scheme drives the screw rod to rotate, so that the connecting cylinder is driven to move through the built-in screw thread.
The technical scheme of the utility model is further improved as follows: the inner wall fixedly connected with spring two of casing, the other end fixedly connected with stopper of spring two, the outer wall fixedly connected with connecting block of movable sleeve, spacing hole has been seted up to the side of connecting block, spacing hole and stopper swing joint.
By adopting the technical scheme, the second spring in the scheme drives the limiting block to be inserted into the limiting hole, so that the movable sleeve is fixed through the connecting block.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
the utility model provides a calibrating device of a mechanical metering instrument, which is characterized in that a sliding block is not directly connected with a screw rod and a connecting cylinder through the joint cooperation of a movable sleeve, a calibrating knob, the screw rod and the connecting cylinder, so that the screw rod and the connecting cylinder are not driven to synchronously operate when the sliding block moves, and the screw rod and the connecting cylinder are prevented from being worn in frequent movement.
The utility model provides a calibrating device of a mechanical metering instrument, which is characterized in that a connecting block, a limiting hole, a limiting block and a limiting block are matched together, and the connecting block and a movable sleeve are prevented from being reset through the limiting block, so that the sliding block and a pointer are prevented from being reset, frequent calibration of a user is not needed, and the workload of the user is reduced.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a body of the present utility model;
FIG. 3 is an enlarged schematic view of the utility model at A;
Fig. 4 is an enlarged schematic view of the utility model at B.
In the figure: 1. a housing; 2. a hook; 3. a fixed block; 4. a hanging ring; 5. calibrating a knob; 6. a chute; 7. a slide block; 8. a pointer; 9. a scale plate; 10. a connecting rod; 11. a limiting cylinder; 12. a limiting plate; 13. a movable sleeve; 14. a first spring; 15. a screw; 16. a connecting cylinder; 17. built-in threads; 18. a connecting block; 19. a limiting hole; 20. a second spring; 21. and a limiting block.
Description of the embodiments
The utility model is further illustrated by the following examples:
examples
As shown in fig. 1-4, the utility model provides a calibrating device of a mechanical measuring instrument, which comprises a shell 1, the outer wall of the shell 1 is provided with a sliding groove 6, the middle of the sliding groove 6 is movably connected with a sliding block 7, the side surface of the sliding block 7 is fixedly connected with a pointer 8, the outer wall of the shell 1 is fixedly connected with a scale plate 9, the top of the shell 1 is movably connected with a hook 2, the bottom of the shell 1 is fixedly connected with a fixed block 3, the side surface of the fixed block 3 is movably connected with a lifting ring 4, the bottom of the fixed block 3 is movably connected with a calibrating knob 5, the inner wall of the shell 1 is movably connected with a movable sleeve 13, the inner wall of the movable sleeve 13 is fixedly connected with a spring I14, the other end of the spring I14 is fixedly connected with the sliding block 7, the top of the sliding block 7 is fixedly connected with a connecting rod 10, the inner wall of the shell 1 is fixedly connected with a limiting cylinder 11, the middle of the sliding block 7 is provided with a through hole movably connected with the limiting cylinder 11, the inner wall of the limiting cylinder 11 is fixedly connected with a limiting plate 12, the middle of the limiting plate 12 is provided with a through hole movably connected with the connecting rod 10, the top of the connecting rod 10 is fixedly connected with the hook 2, the axle center of the calibrating knob 5 is fixedly connected with a screw 15, the upper part of the screw 16 is fixedly connected with a screw rod 16 is fixedly connected with the screw rod 16, the inner wall of the connecting cylinder 16 is fixedly connected with the screw rod 17 at the inner screw rod 17, and the middle connecting cylinder is fixedly connected with the screw rod 17 with the screw rod is fixedly connected with the screw rod cylinder 17.
In this embodiment, the calibration knob 5 drives the screw rod 15 to rotate, and drives the connecting cylinder 16 to move through the built-in screw thread 17, so as to drive the movable sleeve 13 to move, and drive the first spring 14 and the sliding block 7 to move through the movable sleeve 13, so that the pointer 8 is adjusted to the position of the scale plate 9 at zero degrees, and the work of zero calibration is completed.
Examples
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inner wall of the shell 1 is fixedly connected with a second spring 20, the other end of the second spring 20 is fixedly connected with a limiting block 21, the outer wall of the movable sleeve 13 is fixedly connected with a connecting block 18, a limiting hole 19 is formed in the side face of the connecting block 18, and the limiting hole 19 is movably connected with the limiting block 21.
In this embodiment, during the movement of the movable sleeve 13, the connection block 18 presses the stopper 21 through the stopper hole 19, so that the stopper 21 is pushed to the inner wall of the housing 1 and compresses the second spring 20, and then the second spring 20 rebounds the stopper 21, thereby preventing the connection block 18 and the movable sleeve 13 from moving upward through the stopper 21, and thus preventing the slider 7 and the pointer 8 from resetting.
The working principle of the calibration device of the mechanical measuring instrument is specifically described below.
As shown in fig. 1-4, the calibration knob 5 drives the screw 15 to rotate, the connecting cylinder 16 is driven to move through the built-in thread 17, the movable sleeve 13 is driven to move, the first spring 14 and the sliding block 7 are driven to move through the movable sleeve 13, the pointer 8 is adjusted to the position of the scale mark zero degree of the scale mark plate 9, the work of zero calibration is completed, in the moving process of the movable sleeve 13, the connecting block 18 presses the limiting block 21 through the limiting hole 19, the limiting block 21 is pushed to the inner wall of the shell 1 and compresses the second spring 20, then the second spring 20 rebounds the limiting block 21, the connecting block 18 and the movable sleeve 13 are prevented from moving upwards through the limiting block 21, and the sliding block 7 and the pointer 8 are prevented from resetting.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (4)
1. A calibration device for a mechanical metrology instrument, comprising a housing (1), characterized in that: spout (6) have been seted up to the outer wall of casing (1), the middle swing joint of spout (6) has slider (7), the side fixedly connected with pointer (8) of slider (7), the outer wall fixedly connected with scale plate (9) of casing (1), the top swing joint of casing (1) has couple (2), the bottom fixedly connected with fixed block (3) of casing (1), the side swing joint of fixed block (3) has rings (4), the bottom swing joint of fixed block (3) has calibration knob (5), the inner wall swing joint of casing (1) has movable sleeve (13), the inner wall fixedly connected with spring (14) of movable sleeve (13), the other end and slider (7) fixedly connected with of spring (14), the axle center department fixedly connected with screw rod (15) of calibration knob (5), the top of screw rod (15) is provided with connecting cylinder (16), the bottom at movable sleeve (13) is fixedly connected with to connecting cylinder (16).
2. The calibration device of a mechanical metrology instrument of claim 1, wherein: the top fixedly connected with connecting rod (10) of slider (7), the spacing section of thick bamboo (11) of inner wall fixedly connected with of casing (1), the through-hole with spacing section of thick bamboo (11) swing joint has been seted up in the middle of slider (7), the inner wall fixedly connected with limiting plate (12) of spacing section of thick bamboo (11), the through-hole with connecting rod (10) swing joint has been seted up in the middle of limiting plate (12), the top and couple (2) fixed connection of connecting rod (10).
3. The calibration device of a mechanical metrology instrument of claim 1, wherein: the inner wall of the connecting cylinder (16) is provided with a built-in thread (17), and the built-in thread (17) is meshed with the screw rod (15).
4. The calibration device of a mechanical metrology instrument of claim 1, wherein: the inner wall fixedly connected with spring two (20) of casing (1), the other end fixedly connected with stopper (21) of spring two (20), the outer wall fixedly connected with connecting block (18) of activity cover (13), spacing hole (19) have been seted up to the side of connecting block (18), spacing hole (19) and stopper (21) swing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322873531.9U CN221280533U (en) | 2023-10-25 | 2023-10-25 | Calibrating device of mechanical metering instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322873531.9U CN221280533U (en) | 2023-10-25 | 2023-10-25 | Calibrating device of mechanical metering instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221280533U true CN221280533U (en) | 2024-07-05 |
Family
ID=91692224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322873531.9U Active CN221280533U (en) | 2023-10-25 | 2023-10-25 | Calibrating device of mechanical metering instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221280533U (en) |
-
2023
- 2023-10-25 CN CN202322873531.9U patent/CN221280533U/en active Active
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| GR01 | Patent grant |