Calibration measuring rod sleeve for outside micrometer

Abstract

The utility model relates to the technical field of micrometer calibration, and discloses an external diameter micrometer calibration measuring rod sleeve, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a concave block, the middle part of the front surface of the concave block is in threaded connection with a clamping device, and an external diameter micrometer body is arranged in the concave block. A fixing block is arranged in the outside micrometer body, the other side of the fixing block is fixedly connected with a measuring anvil, the other side of the surface of the measuring anvil is movably connected with a sleeve, the top of the sleeve is fixedly connected with a rapid fixing device in a penetrating mode, and the other side of the sleeve is movably connected with a calibration measuring rod body. The other side of the calibration measuring rod body is provided with a micrometric screw. Through the arrangement of the rapid fixing device, the calibration measuring rod body can be easily and rapidly fixed on the external diameter micrometer body, the time and complexity of installation and disassembly are reduced, an operator can complete preparation work of equipment more rapidly, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of micrometer calibration, and more specifically, the utility model relates to an outer diameter micrometer calibration rod sleeve. Background Art

[0002] A micrometer is a more precise tool for measuring length than a vernier caliper. It can measure length accurately to 0.01 mm, and the measuring range is several centimeters. A micrometer can be divided into an internal diameter micrometer and an outer diameter micrometer. The outer diameter micrometer consists of a frame, a micrometer head, a locking device, etc., and is a more precise length measuring instrument than a vernier caliper.

[0003] For the existing outer diameter micrometer calibration rod sleeve, when calibrating, it is usually necessary to hold the outer diameter micrometer and the calibration rod at the same time for calibration, which will increase the complexity and difficulty of the operation. The operator needs to keep stable and adjust two components at the same time, which may require higher operation skills and accuracy, especially in the occasion where accurate measurement is required. Summary of the Utility Model

[0004] In order to overcome the deficiencies of the prior art, the utility model provides an outer diameter micrometer calibration rod sleeve, which has the advantage of quickly fixing the calibration rod.

[0005] To achieve the above object, the utility model provides the following technical solution: an outer diameter micrometer calibration rod sleeve, including a bottom plate, a concave block is fixedly connected to the top of the bottom plate, a clamping device is threadedly connected to the middle part of the front surface of the concave block, an outer diameter micrometer body is arranged in the concave block, a fixed block is arranged in the outer diameter micrometer body, an anvil is fixedly connected to the other side of the fixed block, a sleeve is movably connected to the other side of the surface of the anvil, a quick-fixing device is fixedly connected through the top of the sleeve, a calibration rod body is movably connected to the other side of the sleeve, and a micrometer screw is arranged on the other side of the calibration rod body.

[0006] As a preferred technical solution of the utility model, a threaded rod is arranged in the clamping device, and a clamping block is fixedly connected to the back surface of the threaded rod.

[0007] As a preferred technical solution of the utility model, a turntable is fixedly connected to the front surface of the threaded rod, and a grip rod is fixedly connected to the front surface of the turntable.

[0008] As a preferred technical solution of the utility model, a mounting block is arranged in the quick-fixing device, and a pull rod is arranged in the middle part of the mounting block.

[0009] As a preferred technical solution of the utility model, a fixing plate is fixedly connected to the top of the pull rod, and a pull ring is fixedly connected to the top of the fixing plate.

[0010] As a preferred technical solution of the present utility model, a spring is provided at the bottom of the surface of the draw rod, and a positioning block is fixedly connected to the bottom of the draw rod.

[0011] As a preferred technical solution of the present utility model, a connecting rod is provided inside the calibration rod body, and a positioning groove is opened at the top of the connecting rod.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. Through the setting of the concave block and the clamping device in the present utility model, the operator can install the calibration rod body onto the outside micrometer body more quickly and simply, without spending extra time and effort on adjustment and fixation, which improves the operation efficiency and the smoothness of the overall work process.

[0014] 2. Through the setting of the quick-fixing device in the present utility model, the calibration rod body can be easily and quickly fixed onto the outside micrometer body, reducing the time and complexity of installation and disassembly. The operator can complete the equipment preparation work more quickly, improving the work efficiency; at the same time, it can ensure that the calibration rod body is accurately aligned and fixed onto the outside micrometer body, reducing the measurement error caused by loosening or deviation during the measurement process, which is particularly important for applications requiring high-precision measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a front three-dimensional structural schematic diagram of the present utility model;

[0016] Figure 2 is a front cross-sectional structural schematic diagram of the outside micrometer body of the present utility model;

[0017] Figure 3 is a three-dimensional structural schematic diagram of the calibration rod body of the present utility model;

[0018] Figure 4 is the present utility model Figure 2 magnified structural schematic diagram of A therein;

[0019] In the figure: 1, bottom plate; 2, concave block; 3, clamping device; 301, threaded rod; 302, clamping block; 303, turntable; 304, grip rod; 4, outside micrometer body; 5, fixed block; 6, anvil; 7, sleeve; 8, quick-fixing device; 801, mounting block; 802, draw rod; 803, fixing plate; 804, pull ring; 805, spring; 806, positioning block; 9, calibration rod body; 901, connecting rod; 902, positioning groove; 10, micrometer screw. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] As Figures 1 to 4 shown, the present utility model provides an external micrometer calibration rod sleeve, which includes a bottom plate 1. A concave block 2 is fixedly connected to the top of the bottom plate 1. A clamping device 3 is threadedly connected to the middle part of the front surface of the concave block 2. An external micrometer body 4 is arranged inside the concave block 2. A fixed block 5 is arranged inside the external micrometer body 4. The other side of the fixed block 5 is fixedly connected to an anvil 6. The other side of the surface of the anvil 6 is movably connected to a sleeve 7. A quick-fixing device 8 is fixedly connected through the top of the sleeve 7. The other side of the sleeve 7 is movably connected to a calibration rod body 9. A micrometer screw 10 is arranged on the other side of the calibration rod body 9.

[0022] Among them, through the settings of the concave block 2 and the clamping device 3, the operator can install the calibration rod body 9 onto the external micrometer body 4 more quickly and simply, without spending extra time and effort on adjustment and fixation, which improves the operation efficiency and the smoothness of the overall work process. Through the setting of the sleeve 7, it plays a role in supporting the quick-fixing device 8. Through the setting of the quick-fixing device 8, the calibration rod body 9 can be easily and quickly fixed onto the external micrometer body 4, reducing the time and complexity of installation and disassembly. The operator can complete the equipment preparation work more quickly, improving the work efficiency; at the same time, it can ensure that the calibration rod body 9 is accurately aligned and fixed onto the external micrometer body 4, reducing the measurement errors caused by loosening or offset during the measurement process, which is particularly important for applications requiring high-precision measurement.

[0023] The clamping device 3 is provided with a threaded rod 301, and a clamping block 302 is fixedly connected to the back surface of the threaded rod 301.

[0024] Among them, by rotating the threaded rod 301 on the front surface of the concave block 2, the clamping block 302 is driven to clamp the external micrometer body 4.

[0025] A turntable 303 is fixedly connected to the front surface of the threaded rod 301, and a grip rod 304 is fixedly connected to the front surface of the turntable 303.

[0026] Among them, through the setting of the grip rod 304, it is convenient to drive the turntable 303 to rotate. By rotating the turntable 303, the threaded rod 301 is driven to rotate on the front surface of the concave block 2.

[0027] Inside the quick fixing device 8, there is an installation block 801, and in the middle part of the installation block 801, there is a pull rod 802.

[0028] Among them, through the setting of the pull rod 802, it is convenient to drive the positioning block 806 to move up and down.

[0029] At the top of the pull rod 802, there is a fixed connection with a fixing plate 803, and at the top of the fixing plate 803, there is a fixed connection with a pull ring 804.

[0030] Among them, by driving the fixing plate 803 to move upward through the pull ring 804, it is convenient to drive the pull rod 802 to move upward, thereby driving the positioning block 806 to move upward.

[0031] At the bottom of the surface of the pull rod 802, there is a spring 805, and at the bottom of the pull rod 802, there is a fixed connection with a positioning block 806.

[0032] Among them, through the setting of the spring 805, when the pull ring 804 is released, it is convenient to drive the positioning block 806 to move downward.

[0033] Inside the calibration rod body 9, there is a connecting rod 901, and at the top of the connecting rod 901, there is a positioning groove 902.

[0034] Among them, by inserting the positioning block 806 into the positioning groove 902, the calibration rod body 9 can be easily and quickly fixed on the outside diameter micrometer body 4, reducing the time and complexity of installation and disassembly. The operator can complete the equipment preparation work more quickly, improving work efficiency.

[0035] The working principle and usage process of the present utility model: Place the outside diameter micrometer body 4 in the concave block 2, drive the turntable 303 to rotate through the grip rod 304. Through the rotation of the turntable 303, it is convenient to drive the threaded rod 301 to rotate on the front of the concave block 2. Through the rotation of the threaded rod 301 on the front of the concave block 2, it is convenient to drive the clamping block 302 to clamp and fix the outside diameter micrometer body 4. Drive the fixing plate 803 to move upward through the pull ring 804, thereby driving the pull rod 802 and the positioning block 806 to move upward. Insert the connecting rod 901 on the calibration rod body 9 into the sleeve 7, release the pull ring 804, and drive the positioning block 806 to move downward through the spring 805, thereby inserting the positioning block 806 into the positioning groove 902. The calibration rod body 9 can be easily and quickly fixed on the outside diameter micrometer body 4, reducing the measurement error caused by loosening or deviation during the measurement process, which is particularly important for applications requiring high-precision measurement.

[0036] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0037] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A micrometer calibrating rod sleeve, comprising a base plate (1), characterized in that: A concave block (2) is fixedly connected to the top of the base plate (1), a clamping device (3) is threadedly connected to the middle part of the front of the concave block (2), an outside micrometer body (4) is arranged in the concave block (2), a fixed block (5) is arranged in the outside micrometer body (4), an anvil (6) is fixedly connected to the other side of the fixed block (5), a sleeve (7) is movably connected to the other side of the surface of the anvil (6), a quick fixing device (8) is fixedly connected to the top of the sleeve (7), a calibration rod body (9) is movably connected to the other side of the sleeve (7), and a micrometer screw (10) is arranged on the other side of the calibration rod body (9).

2. The outside micrometer calibration rod sleeve according to claim 1, characterized in that: A threaded rod (301) is arranged in the clamping device (3), and a clamping block (302) is fixedly connected to the back side of the threaded rod (301).

3. The outside diameter micrometer calibration rod sleeve according to claim 2, characterized in that: A rotating disk (303) is fixedly connected to the front side of the threaded rod (301), and a gripping rod (304) is fixedly connected to the front side of the rotating disk (303).

4. The outside micrometer calibration rod sleeve according to claim 1, characterized in that: A mounting block (801) is provided in the quick fixing device (8), and a pull rod (802) is provided in the middle portion of the mounting block (801).

5. The outside micrometer calibration rod sleeve according to claim 4, characterized in that: The top of the pull rod (802) is fixedly connected to a fixing plate (803), and the top of the fixing plate (803) is fixedly connected to a pull ring (804).

6. The outside micrometer calibration rod sleeve according to claim 4, characterized in that: A spring (805) is provided at the bottom of the surface of the pull-out rod (802), and a positioning block (806) is fixedly connected to the bottom of the pull-out rod (802).

7. The outside micrometer calibration rod sleeve according to claim 1, characterized in that: A connecting rod (901) is arranged inside the calibration measuring rod body (9), and a positioning groove (902) is provided on the top of the connecting rod (901).

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