Portable precision dimension measuring device

Abstract

The utility model discloses a portable precision dimension measuring device which comprises a base, a rectangular first sliding groove and a T-shaped second sliding groove are formed in the base, a connecting groove is formed in the side end of the base, one end of the base is fixedly connected with a battery, two measuring mechanisms are arranged in the first sliding groove, and the other end of the base is fixedly connected with a second sliding groove. A second sliding groove is formed in the base, two clamping mechanisms are arranged in the second sliding groove, a two-way lead screw is rotationally connected to the middle of the second sliding groove, a rotating hand wheel is installed at one end of the base, and ground feet are fixedly connected to the lower end of the base. The measuring mechanism comprises a distance sensor, an indicating block, a fastening bolt and a first sliding block, the indicating block is located at the side end of the base and fixedly connected with the first sliding block, the distance sensor is fixedly connected to the side end of the indicating block, and the fastening bolt is located at the side end of the base. The measured object is fixed through the clamping mechanism, and then the measuring mechanism is used for measuring all parts of the surface of the measured object, so that the use flexibility of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, in particular to a portable precision size measuring device. Background Art

[0002] In the field of measuring equipment, the machining accuracy of parts is generally um level. To process high-precision parts, detection means are indispensable, and the detection accuracy must be higher than the machining accuracy to detect whether the parts are qualified. Therefore, precision detection is a guarantee for precision machining. At present, the outer diameter detection method generally uses an outer diameter micrometer to measure, or uses a more precise three-coordinate measuring instrument.

[0003] The patent publication number is "CN218724041U", and the patent name is "A portable precision dimension measuring device". It includes a base, on which a first sliding rod and a second sliding rod are horizontally slidably embedded. The sliding directions of the first sliding rod are parallel to those of the second sliding rod. A distance sensor is provided on the first sliding rod, and the irradiation end of the distance sensor faces the second sliding rod. The irradiation direction of the distance sensor is parallel to the sliding direction of the first sliding rod.

[0004] When the above device is used, the object to be measured is fixed and measured by the first sliding rod and the second sliding rod, so that the device can only measure the total length of the object to be measured, and the flexibility of use is poor. Utility Model Content

[0005] The utility model aims to provide a portable precision dimension measuring device, which can measure various places on the surface of a measured object after the measured object is fixed, thereby improving the flexibility of the measuring device when in use.

[0006] To achieve the above-mentioned purpose, a portable precision dimension measuring device is provided, comprising: a base, a rectangular first slide groove and a T-shaped second slide groove are provided in the base, and the second slide groove penetrates the base upward, the first slide groove penetrates the side end of the base, a connecting groove is provided in the side end of the base, and the connecting groove is communicated with the first slide groove, one end of the base is fixedly connected to a battery, two measuring mechanisms are provided in the first slide groove, two clamping mechanisms are provided in the second slide groove, a bidirectional screw rod is rotatably connected to the middle part of the second slide groove, and the bidirectional screw rod penetrates the clamping mechanism and is threadedly connected to the clamping mechanism, the two clamping mechanisms are symmetrically distributed in the two thread directions of the bidirectional screw rod, a rotating hand wheel is installed at one end of the base, and the rotating hand wheel is away from the battery, and one end of the bidirectional screw rod The end is fixedly connected to the middle of the rotating hand wheel, and the lower end of the base is fixedly connected to the foot; the measuring mechanism includes a distance sensor, an indicator block, a fastening bolt and a first slider, the first slider is located in the first slide groove and is slidably connected to the first slide groove, and one end of the first slider extends to the side end of the base through the first slide groove, the indicator block is located at the side end of the base and is fixedly connected to the first slider, and the indicator block extends to the upper end of the base, the distance sensor is fixedly connected to the side end of the indicator block, and the distance sensors in the two measuring mechanisms are far away from each other, the side end of the distance sensor passes through the indicator block, the fastening bolt is located at the side end of the base, and the fastening bolt and the indicator block are on the same side end, one end of the fastening bolt passes through the connecting groove and extends into the first slider, and the fastening bolt is threadedly connected to the first slider. It can measure various places on the surface of the measured object after fixing the measured object, thereby improving the flexibility of the measuring device when used.

[0007] According to the portable precision dimension measuring device, the clamping mechanism includes a clamping plate and a second slider, the second slider is located in the second slide groove and is slidably connected to the second slide groove, and the upper end of the second slider extends to the upper end of the base, the bidirectional screw rod passes through the middle of the second slider and is threadedly connected to the second slider, the clamping plate is fixedly connected to the upper end of the second slider, and the lower end of the clamping plate is slidably connected to the upper end of the base, which is used to clamp the object to be measured and improve the clamping efficiency.

[0008] According to the portable precision dimension measuring device, the upper end of the battery is fixedly connected with a display panel, and the display panel and the connecting slot are on the same side, which is used to display the measurement data of the measured object, so that the user can quickly obtain the measurement data.

[0009] According to the portable precision dimension measuring device, a guide plate is fixedly connected to the middle of the side end of the first slide slot, and the guide plate is away from the connecting slot, and a limiting slot is provided in the middle of the side end of the first slide slot, and the guide plate passes through the limiting slot and is slidably connected to the limiting slot, which plays a guiding role and improves the stability of the measuring mechanism when it moves.

[0010] According to the portable precision dimension measuring device, the length of the clamping plate is the same as the width of the base. The object to be measured is brought close to the measuring mechanism to ensure the measurement accuracy.

[0011] The above scheme has the beneficial effect of: after the object to be measured is fixed by the clamping mechanism, the measuring mechanism is used to measure various places on the surface of the object to be measured, thereby improving the flexibility of the device.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is a three-dimensional structural diagram of a portable precision dimension measuring device of the utility model;

[0015] Figure 2 This is a cross-sectional structural diagram of a portable precision dimension measuring device of the utility model;

[0016] Figure 3 This is a three-dimensional structural diagram of a measuring mechanism of a portable precision dimension measuring device of the utility model;

[0017] Figure 4 The utility model is a three-dimensional structural diagram of a clamping mechanism of a portable precision dimension measuring device.

[0018] Legend:

[0019] 1. Battery; 2. Display panel; 3. Base; 4. Measuring mechanism; 5. First slide groove; 6. Connecting groove; 7. Foot; 8. Rotating hand wheel; 9. Clamping mechanism; 10. Second slide groove; 11. Guide plate; 12. Bidirectional screw rod; 13. Distance sensor; 14. Indicator block; 15. Fastening bolt; 16. First slider; 17. Limiting groove; 18. Clamping plate; 19. Second slider. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-4The utility model embodiment is a portable precision dimension measuring device, which includes: a base 3, a rectangular first slide groove 5 and a T-shaped second slide groove 10 are opened in the base 3, and the second slide groove 10 penetrates the base 3 upward, the first slide groove 5 penetrates the side end of the base 3, and the side end of the base 3 is opened with a connecting groove 6, and the connecting groove 6 is communicated with the first slide groove 5, one end of the base 3 is fixedly connected with a battery 1, two measuring mechanisms 4 are arranged in the first slide groove 5, two clamping mechanisms 9 are arranged in the second slide groove 10, a bidirectional screw rod 12 is rotatably connected in the middle of the second slide groove 10, and the bidirectional screw rod 12 penetrates the clamping mechanism 9 and is threadedly connected to the clamping mechanism 9, and the two clamping mechanisms 9 are symmetrically distributed in the two thread directions of the bidirectional screw rod 12, a rotating hand wheel 8 is installed at one end of the base 3, and the rotating hand wheel 8 is away from the battery 1, and one end of the bidirectional screw rod 12 is fixed to the middle of the rotating hand wheel 8 The base 3 is fixedly connected, and the lower end of the base 3 is fixedly connected with a foot 7; the measuring mechanism 4 includes a distance sensor 13, an indicating block 14, a fastening bolt 15 and a first slider 16, the first slider 16 is located in the first slide groove 5 and is slidably connected to the first slide groove 5, and one end of the first slider 16 extends to the side end of the base 3 through the first slide groove 5, the indicating block 14 is located at the side end of the base 3 and is fixedly connected to the first slider 16, and the indicating block 14 extends to the upper end of the base 3, the distance sensor 13 is fixedly connected to the side end of the indicating block 14, and the distance sensors 13 in the two measuring mechanisms 4 are away from each other, the side end of the distance sensor 13 passes through the indicating block 14, the fastening bolt 15 is located at the side end of the base 3, and the fastening bolt 15 and the indicating block 14 are on the same side end, one end of the fastening bolt 15 passes through the connecting groove 6 and extends to the first slider 16, and the fastening bolt 15 is threadedly connected to the first slider 16.

[0022] The clamping mechanism 9 includes a clamping plate 18 and a second slider 19. The second slider 19 is located in the second slide groove 10 and is slidably connected to the second slide groove 10, and the upper end of the second slider 19 extends to the upper end of the base 3. The bidirectional screw 12 passes through the middle of the second slider 19 and is threadedly connected to the second slider 19. The clamping plate 18 is fixedly connected to the upper end of the second slider 19, and the lower end of the clamping plate 18 is slidably connected to the upper end of the base 3.

[0023] The upper end of the battery 1 is fixedly connected to the display panel 2 , and the display panel 2 and the connecting slot 6 are on the same side.

[0024] A guide plate 11 is fixedly connected to the middle of the side end of the first slide groove 5, and the guide plate 11 is away from the connecting groove 6. A limiting groove 17 is opened in the middle of the side end of the first slide groove 5, and the guide plate 11 passes through the limiting groove 17 and is slidably connected to the limiting groove 17.

[0025] The length of the clamping plate 18 is the same as the width of the base 3 .

[0026] Working principle: When in use, place the object to be measured on the upper end of the base 3, and drive the bidirectional screw 12 to rotate by turning the rotating handwheel 8, so that the second sliders 19 in the two clamping mechanisms 9 drive the clamping plates 18 to approach each other to clamp the object to be measured, and then rotate the fastening bolts 15 to leave the surface of the base 3, push the indicating block 14 to the measuring point of the object to be measured, and rotate the fastening bolts 15 in the opposite direction to make it close to the surface of the base 3, and use friction to fix the first slider 16 to prevent the indicating block 14 from moving, and measure the distance between the two indicating blocks 14 through the distance sensor 13 to measure the distance between the measuring points on the surface of the object to be measured, and display the data through the display panel 2.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A portable precision dimension measuring device, include: The base (3) is characterized in that a rectangular first slide groove (5) and a T-shaped second slide groove (10) are provided in the base (3), and the second slide groove (10) penetrates the base (3) upward, the first slide groove (5) penetrates the side end of the base (3), the side end of the base (3) is provided with a connecting groove (6), and the connecting groove (6) is connected to the first slide groove (5), one end of the base (3) is fixedly connected to a battery (1), two measuring mechanisms (4) are provided in the first slide groove (5), and two clamping mechanisms (4) are provided in the second slide groove (10). The second slide groove (10) is rotatably connected to a bidirectional screw rod (12) in the middle part, and the bidirectional screw rod (12) passes through the clamping mechanism (9) and is threadedly connected to the clamping mechanism (9), and the two clamping mechanisms (9) are symmetrically distributed in the two thread directions of the bidirectional screw rod (12), a rotating hand wheel (8) is installed at one end of the base (3), and the rotating hand wheel (8) is away from the battery (1), one end of the bidirectional screw rod (12) is fixedly connected to the middle part of the rotating hand wheel (8), and the lower end of the base (3) is fixedly connected to a foot (7); The measuring mechanism (4) comprises a distance sensor (13), an indicating block (14), a fastening bolt (15) and a first sliding block (16); the first sliding block (16) is located in the first sliding groove (5) and is slidably connected to the first sliding groove (5); one end of the first sliding block (16) extends to the side end of the base (3) through the first sliding groove (5); the indicating block (14) is located at the side end of the base (3) and is fixedly connected to the first sliding block (16); the indicating block (14) extends to the upper end of the base (3); the distance sensor (13) is The sensor (13) is fixedly connected to the side end of the indicator block (14), and the distance sensors (13) in the two measuring mechanisms (4) are separated from each other, the side end of the distance sensor (13) passes through the indicator block (14), the fastening bolt (15) is located at the side end of the base (3), and the fastening bolt (15) and the indicator block (14) are on the same side end, one end of the fastening bolt (15) passes through the connecting groove (6) and extends into the first slider (16), and the fastening bolt (15) is threadedly connected to the first slider (16).

2. A portable precision dimension measuring device according to claim 1, It is characterized in that The clamping mechanism (9) comprises a clamping plate (18) and a second slider (19), wherein the second slider (19) is located in the second slide groove (10) and is slidably connected to the second slide groove (10), and the upper end of the second slider (19) extends to the upper end of the base (3), the bidirectional screw rod (12) passes through the middle of the second slider (19) and is threadedly connected to the second slider (19), the clamping plate (18) is fixedly connected to the upper end of the second slider (19), and the lower end of the clamping plate (18) is slidably connected to the upper end of the base (3).

3. A portable precision dimension measuring device according to claim 1, It is characterized in that The upper end of the battery (1) is fixedly connected to a display panel (2), and the display panel (2) and the connection slot (6) are on the same side.

4. A portable precision dimension measuring device according to claim 1, It is characterized in that A guide plate (11) is fixedly connected to the middle of the side end of the first slide groove (5), and the guide plate (11) is away from the connecting groove (6). A limiting groove (17) is provided in the middle of the side end of the first slide groove (5), and the guide plate (11) passes through the limiting groove (17) and is slidably connected to the limiting groove (17).

5. A portable precision dimension measuring device according to claim 2, It is characterized in that The length of the clamping plate (18) is the same as the width of the base (3).

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