CN109458898B - Product design measuring device - Google Patents

Abstract

The invention discloses a product design measuring device, which relates to the technical field of product measurement, wherein a measuring base is also vertically provided with a reference block perpendicular to the measuring base, and the front side of each measuring support frame is correspondingly provided with one reference block; the measuring component can be supported between the two measuring support frames in a way of moving up and down; a vertical reference line is arranged on the measuring support frame, a plurality of laser range finders are fixedly arranged on the surface of the reference block opposite to the measuring support frame, and whether the measuring support frame needs to be corrected is determined through the distance between the reference block and the measuring support frame measured by each laser range finder and the position relation between the point irradiated by laser on the measuring support frame and the reference line; when the measurement support frame needs to be corrected, the position of the measurement support frame is finely adjusted and corrected through the correction fine adjustment assembly, so that the measurement accuracy can be greatly guaranteed, and the error of the support frame after long-time use is reduced.

Description

A product design measuring device

technical field

The invention relates to the technical field of product measurement, in particular to a product design measurement device.

Background technique

Product design is a process of converting a certain purpose or need of human beings into a specific physical form or tool. A creative activity process, through the combination of various elements such as lines, symbols, numbers, colors, etc., the shape of the product is displayed in a plane or three-dimensional form. In the product design stage, the entire product strategy, appearance, structure, Function, the product design process needs to use the measuring device to measure the size of the product, so as to obtain the appropriate size ratio of the product. However, the traditional product design measuring device has a single structure, which is inconvenient to accurately and quickly measure the dimensions of the components in all directions of the product, and the measurement results are easily affected because the clamping and fixing of the product is not stable enough.

Although the current special product measuring device uses a support frame to support and slide the measuring head, this structure will cause the support frame to appear after a long time of use due to the reciprocating sliding of the measuring head, gravity, and collision force. Displacement deviations, moreover, are difficult to correct, which leads to inaccurate measurements and affects the measurement structure.

Therefore, those skilled in the art provide a product design measurement device.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a product design measurement device, so as to solve the problem that the structure of the traditional product design measurement device proposed in the above-mentioned background art is single, which is inconvenient to accurately and quickly measure the dimensions of the components of the product in all directions, and due to the clamping of the product. Insufficient fixation can easily lead to the problem that the measurement results are affected.

To achieve the above object, the present invention provides the following technical solutions:

A product design measurement device, comprising a measurement base, a clamping table mechanism, a measurement support frame, a calibration and fine-tuning assembly, a reference block, a measurement assembly and a controller, wherein the upper end surface of the measurement base is provided with a clamping table mechanism, so the The clamping table mechanism positions and clamps the product to be measured, and the clamping table mechanism can drive the product to be measured to rotate relative to the measurement base;

Vertically extending measurement support frames are symmetrically arranged on both sides of the clamping table mechanism on the measurement base, and the bottom of the measurement support frame is mounted and supported on the measurement base by the calibration and fine-tuning assembly;

The measurement base is also vertically arranged with the reference block, and the front side of each measurement support frame is provided with a corresponding reference block;

The measurement assembly is supported between the two measurement support frames so as to be movable up and down;

The measurement support frame is provided with a vertically arranged reference line, and a plurality of laser rangefinders are fixedly arranged on the surface of the reference block opposite to the measurement support frame, and through each of the laser rangefinders The measured distance between the reference block and the measurement support frame and the positional relationship between the point where the laser irradiates the measurement support frame and the reference line is used to determine whether the measurement support frame needs to be calibrated; and

When the measurement support frame needs to be calibrated, the position of the measurement support frame is fine-tuned and corrected by the calibration and fine-tuning component;

Both the laser rangefinder and the measurement assembly are controlled by the controller.

As a further solution of the present invention: the calibration and fine-tuning assembly includes a positioning seat, a fine-tuning stud, a positioning ellipsoid seat, a connecting column and a fixed arc plate, wherein the position where the measurement support frame is installed on the measurement base is provided with an adjustment a groove, the connecting column is connected and fixed on the lower end of the measurement support frame, the lower end of the connecting column is fixed on the upper end of the positioning ellipsoid seat, and the positioning ellipsoid seat is provided with the positioning ellipsoid seat and An accommodating groove that matches its shape, the volume of the accommodating groove is larger than the volume of the positioning ellipsoid seat, and the positioning seat is fixed on the lower end surface of the measuring base, and the connecting column is connected to the adjusting recess. An adjustment gap cavity is arranged between the grooves, a plurality of the fine-tuning studs extending into the accommodating grooves are arranged on the periphery of the positioning seat, and the inner ends of the fine-tuning studs are fixedly provided with the fixing Arc plate, the fixed arc plate can be locked and positioned with the outer peripheral surface of the positioning ellipsoid seat, and the angle of the measurement support frame can be fine-tuned by adjusting the protruding lengths of different fine-tuning studs.

As a further solution of the present invention, a wear-resistant pad is fixedly adhered to the inner wall of the accommodating groove, a wear-resistant rubber pad is adhered and fixed on the peripheral wall of the positioning ellipsoid seat, and the long axis of the positioning ellipsoid seat Arranged for horizontal extension.

As a further solution of the present invention: the measuring base and the reference block are made of marble, alloy steel, or ceramic materials.

As a further solution of the present invention: the clamping table mechanism is connected to the measurement base by a rotating connecting piece, and the rotating connecting piece includes a rotating base, a rotating ring and a wear-resistant support ring, wherein the measuring base is on the measuring base. A blind hole slot is provided, the inner wall of the blind hole slot is provided with a rotating ring, the rotating base is rotatably tightly fitted on the inner wall of the rotating ring, and the bottom wall of the blind hole slot is provided with a resistant ring. A grinding support ring, the bottom of the rotating base is supported on the wear-resistant support ring, the upper end surface of the rotating base is arranged flush with the upper end surface of the measuring base, and the clamping table mechanism arranged on the upper end surface of the rotating base.

As a further solution of the present invention: the measuring assembly includes a first measuring rod, a second measuring rod and a lifting threaded rod, wherein a second measuring rod is arranged between the measuring support frames, and the surface of the second measuring rod is A second chute is opened at the position, and two first measuring poles are horizontally slidable at the inner position of the second chute, and a vertically extending lifting thread rod runs through the measuring support frame. An adjustment handle is fixedly arranged at the upper end of the threaded rod, a limit ring is fixedly arranged between the lifting threaded rod and the measurement support frame, and both ends of the second measurement benchmark rod are threadedly connected to the lifting threaded rod. The outer surface positions of the measurement support frame and the second measurement benchmark are fixedly provided with scale lines, and the bottom of the second measurement benchmark is located at the side of the first measurement benchmark close to the measurement support frame and is fixedly provided with a pedestal. The reference board is provided with a measuring laser range finder, and the measuring laser range finder measures the distance between the reference board and the first measurement pole in real time, and the distance between the two first measurement poles is A tension spring is arranged between the two, so that the first measuring rod is arranged in close contact with the two measuring surfaces of the product to be measured.

As a further solution of the present invention: the clamping table mechanism includes a clamping disc and a clamping threaded rod, a side surface of the clamping disc is provided with a second threaded hole, and the second threaded hole is threadedly connected with the clamping threaded rod , the inner surface of the measurement support frame is provided with a first chute, the two ends of the second measurement rod are fixedly provided with a first slider, and the second measurement rod is slidably connected to the measurement support frame, so Both ends of the second measuring rod are provided with a first threaded hole, the lifting threaded rod penetrates the surface of the second measuring rod through the first threaded hole, and the lifting threaded rod is threadedly connected with the first threaded hole .

As a further solution of the present invention: second sliders are fixedly arranged on both sides of the first measurement rod, the first measurement rod is slidably connected to the second measurement rod, and the number of the first measurement rods is Two, a moving handle is fixedly arranged at the upper end of the first measuring rod.

As a further solution of the present invention: a tensioning threaded rod threadedly connected through a threaded hole is also provided between the measuring base and the rotating connecting piece; a pressing pad is fixed at one end of the clamping threaded rod , the number of the squeezing pads and the clamping threaded rods are both four, and the squeezing pads are components made of rubber.

As a further solution of the present invention, a support column is fixedly connected at the bottom end surface of the measurement base, the number of the support column is four, and a wear-resistant anti-skid pad is fixed at the bottom end of the support column.

Compared with the prior art, the beneficial effects of the present invention are:

1. The measuring base of the present invention is also arranged with the reference block vertically and perpendicular to the measuring base, and a reference block is correspondingly arranged on the front side of each of the measuring support frames; the measuring assembly can move up and down. It is supported between the two measurement support frames; the measurement support frame is provided with a vertically arranged reference line, and a plurality of laser ranging are fixed on the surface of the reference block opposite to the measurement support frame The distance between the reference block and the measurement support frame measured by each laser rangefinder and the positional relationship between the point where the laser irradiates the measurement support frame and the reference line is used to determine whether the measurement support frame is Calibration is required; when the measurement support frame needs to be calibrated, the position of the measurement support frame is fine-tuned and corrected by the calibration and fine-tuning component, so that the measurement accuracy can be greatly ensured and the error of the support frame after long-term use can be reduced;

2. The present invention can not only measure the length and diameter, but also use the distance between the first measuring rod and the reference plate and the rotation of the rotating part to measure the beating diameter of the outer circumferential surface of the product;

3. The present invention is provided with a lifting threaded rod, a limit ring, a scale line, a first threaded hole, a measuring support frame, a first measuring rod, a second measuring rod, a rotating connecting piece and a clamping plate, which can quickly fix the product. The size of the product is accurately measured, and the measurement of all parts of the product is facilitated by rotating the clamping disc, which improves the measurement efficiency of the product.

4. The present invention is provided with a clamping threaded rod, a second threaded hole and an extrusion pad, which makes the clamping and fixing method of the product more convenient and firm, and prevents the product from shaking during measurement.

5. The present invention is provided with a support column and a wear-resistant and anti-skid pad to prevent the measurement base from moving easily during the product measurement process, thereby improving the accuracy and reliability of the product measurement results.

Description of drawings

Fig. 1 is a structural schematic diagram of a product design measuring device;

Figure 2 is a schematic structural diagram of a clamping table mechanism in a product design measuring device;

3 is a schematic structural diagram of a measuring support frame in a product design measuring device;

FIG. 4 is a schematic structural diagram of a second measurement benchmark in a product design measurement device.

5 is a schematic structural diagram of a fine-tuning correction component of a product design measuring device;

FIG. 6 is a schematic structural diagram of a rotating member in a product design measuring device.

Detailed ways

Referring to FIGS. 1 to 6 , in an embodiment of the present invention, a product design measurement device includes a measurement base 9 , a clamping table mechanism 6 , a measurement support frame 10 , a calibration and fine-tuning assembly 22 , a reference block 20 , a measurement assembly and a controller 23, wherein, the upper end surface of the measurement base 9 is provided with a clamping table mechanism 6, the clamping table mechanism 6 is used to position and clamp the product to be measured, and the clamping table mechanism 6 can drive the to-be-measured product. The product rotates relative to the measurement base 9;

Vertically extending measurement support frames 10 are arranged symmetrically on both sides of the clamping table mechanism on the measurement base 9, and the bottom of the measurement support frame 10 is mounted and supported on the measurement on the base 9;

The measurement base 9 is also vertically arranged with the reference block 20, and the front side of each measurement support frame 10 is provided with a reference block 20 correspondingly;

The measurement assembly is supported between the two measurement support frames 10 movably up and down;

The measurement support frame 10 is provided with vertically arranged reference lines, and a plurality of laser rangefinders 21 are fixedly arranged on the surface of the reference block 20 opposite to the measurement support frame. The distance between the reference block and the measurement support frame measured by the distance meter 21 and the positional relationship between the point where the laser irradiates the measurement support frame and the reference line determines whether the measurement support frame needs to be calibrated; and

When the measurement support frame needs to be calibrated, the position of the measurement support frame is fine-tuned and corrected by the calibration and fine-tuning component 22;

Both the laser rangefinder 21 and the measurement assembly are controlled by the controller 23 .

In this embodiment, the calibration and fine-tuning assembly includes a positioning seat 29 , a fine-tuning stud 28 , a positioning ellipsoid seat 30 , a connecting column and a fixed arc plate 31 , wherein the measurement support frame is installed on the measurement base 9 . An adjustment groove 27 is provided at the position, the connecting column is connected and fixed on the lower end of the measurement support frame, the lower end of the connecting column is fixed on the upper end of the positioning ellipsoid seat, and the positioning seat 29 is provided with a receiving space. The positioning ellipsoid seat and the accommodating groove matching its shape, the volume of the accommodating groove is larger than the volume size of the positioning ellipsoid seat 30, and the positioning seat 29 is fixed on the lower end surface of the measurement base, so An adjustment gap cavity is arranged between the connecting column and the adjustment groove, and a plurality of the fine adjustment studs 28 extending into the accommodating groove are arranged on the periphery of the positioning seat. The inner end of 28 is fixedly provided with the fixed arc plate 31, and the fixed arc plate 31 can be locked and positioned with the outer peripheral surface of the positioning ellipsoid seat. The angle of the measurement support frame is fine-tuned.

As a preferred embodiment, a wear-resistant pad is fixedly adhered to the inner wall of the accommodating groove, and a wear-resistant rubber pad 32 is adhered and fixed on the peripheral wall of the positioning ellipsoid seat. The shaft is arranged to extend laterally.

Wherein, the measurement base 9 and the reference block 20 are made of marble, alloy steel, or ceramic materials.

As a more preferred embodiment, the clamping table mechanism 6 is connected to the measurement base 9 by a rotating connecting member 8, and the rotating connecting member 8 includes a rotating base 33, a rotating ring 35 and a wear-resistant support ring 34, wherein , the measurement base 9 is provided with a blind hole groove, the inner wall of the blind hole groove is provided with a rotating ring 35, and the rotating base 33 is rotatably tightly fitted on the inner wall of the rotating ring, so The bottom wall of the blind hole groove is provided with a wear-resistant support ring 34, the bottom of the rotating base is supported on the wear-resistant support ring 34, and the upper end surface of the rotating base 33 is in contact with the measurement base. The upper end surface is arranged flush, and the clamping table mechanism 6 is arranged on the upper end surface of the rotating base.

The measuring assembly includes a first measuring rod 12, a second measuring rod 13 and a lifting threaded rod 1, wherein a second measuring rod 13 is arranged between the measuring support frames 10, and the surface position of the second measuring rod 13 is A second chute 18 is opened at the inner side of the second chute 18, and two first measuring rods 12 are horizontally slid at the inner position of the second chute 18, and a vertically extending lifting threaded rod 1 runs through the measuring support frame 10. , an adjusting handle 14 is fixedly arranged at the upper end position of the lifting threaded rod 1, a limiting ring 11 is fixedly arranged between the lifting threaded rod 1 and the measuring support frame 10, and both ends of the second measuring rod 13 are threadedly connected On the elevating threaded rod 1 , the measuring support frame 10 and the outer surface positions of the second measuring rod 13 are fixedly provided with scale lines 2 , and the bottom of the second measuring rod 13 is located on the first measuring rod A base plate 24 is fixedly arranged on the side of the 12 near the measurement support frame 10, and a measurement laser range finder 25 is arranged on the reference plate 24. The measurement laser range finder 25 measures the reference plate and the reference plate in real time. The distance between the first measuring rods 12, and a tension spring is provided between the two first measuring rods 12, so that the first measuring rods 12 are set close to the two measuring surfaces of the product to be measured, and the lifting and lowering The threaded rod 1 penetrates through the surface of the second measuring rod 13 through the first threaded hole 3, and the lifting threaded rod 1 is threadedly connected with the first threaded hole 3, so that rotating the lifting threaded rod 1 can drive the second measuring rod 13 to move up and down. Purpose.

The clamping table mechanism 6 includes a clamping disc 601 and a clamping threaded rod 602 , a side of the clamping disc 601 is provided with a second threaded hole 603 , and the second threaded hole 603 is threadedly connected to the clamping threaded rod 602 . , the inner surface of the measurement support frame 10 is provided with a first chute 16, the two ends of the second measurement rod 13 are fixedly provided with a first slider 15, the second measurement rod 13 and the measurement support The frame 10 is slidably connected, and first threaded holes 3 are provided at both ends of the second measuring rod 13. The lifting threaded rod 1 penetrates the surface of the second measuring rod 13 through the first threaded hole 3, so The lifting threaded rod 1 is threadedly connected with the first threaded hole 3 .

Second sliders 19 are fixedly arranged on both sides of the first measurement rod 12, the first measurement rod 12 is slidably connected with the second measurement rod 13, and the number of the first measurement rod 12 is two , a moving handle 17 is fixed at the upper end position of the first measuring rod 12 . A tensioning threaded rod 7 that is threadedly connected through a threaded hole is also provided between the measuring base 9 and the rotating connecting piece 8; The number of the pressing pads 604 and the clamping threaded rods 602 are both four, and the pressing pads 604 are components made of rubber. A support column 4 is fixedly connected to the bottom surface of the measurement base 9 , the number of the support column 4 is four, and the bottom end of the support column 4 is fixedly provided with a wear-resistant anti-skid pad 5 .

The working principle of the present invention is: when using the product to design a measuring device, place the product to be measured on the clamping plate 601, and the side of the clamping plate 601 is provided with a second threaded hole 603, and the second threaded hole 603 and the The clamping threaded rod 602 is threadedly connected, and the clamping threaded rod 602 is rotated to move to the inner direction of the clamping disc 601. One end of the clamping threaded rod 602 is fixedly provided with a pressing pad 604, and the pressing pad 604 is in close contact with the product. To achieve the purpose of fixing and clamping the product on the measuring base 9, the lifting threaded rod 1 is rotated to move the second measuring rod 13 downward, the second measuring rod 13 finally contacts the product, and the two measuring rods 13 at both ends are moved downward. The first measuring rod 12 moves to the middle, the first measuring rod 12 finally contacts the product, and the outer surface positions of the measuring support frame 10 and the second measuring rod 13 are fixedly provided with a scale line 2, which can quickly measure the height and the height of the product. Length dimension, when it is necessary to measure the dimensions of other parts of the product, rotate the connecting piece 8 to connect with the clamping disc 601 in rotation, loosen the tensioning threaded rod 7, turn the clamping disc 601 to the desired position and then tighten the tensioning threaded rod 7 , the tensioning threaded rod 7 presses the fixed clamping plate 601 inward, and at this time, the other parts of the product can be continuously measured.

Moreover, in the present invention, the two first measuring rods 12 can be closely attached to the product to be measured, and then the product can be rotated by using the rotating connecting piece. In this way, the measurement of the diameter error of the product's circumferential surface can be realized, and after a long time of use, when an error occurs in the measurement support frame, the reference block measured by each of the laser rangefinders 21 and the measurement The spacing of the support frame and the positional relationship between the laser irradiated point on the measurement support frame and the reference line determine whether the measurement support frame needs to be corrected. The angle of the measurement support frame is fine-tuned to ensure measurement accuracy.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The equivalent replacement or modification of the solution and its inventive concept shall be included within the protection scope of the present invention.

Claims (9)

1. A product design measurement device, comprising a measurement base (9), a clamping table mechanism (6), a measurement support frame (10), a calibration and fine-tuning assembly (22), a reference block (20), a measurement assembly and a controller ( 23), wherein the upper end surface of the measurement base (9) is provided with a clamping table mechanism (6), the clamping table mechanism (6) positions and clamps the product to be measured, and the clamping table mechanism (6) The stage mechanism (6) can drive the product to be measured to rotate relative to the measurement base (9); Vertically extending measurement support frames (10) are symmetrically arranged on both sides of the clamping table mechanism on the measurement base (9), and the bottom of the measurement support frame (10) adopts the calibration and fine-tuning assembly installed and supported on the measurement base (9); The measuring base (9) is also provided with the reference block (20) vertically and perpendicular to the measuring base, and a front side of each of the measuring support frames (10) is correspondingly provided with one of the reference blocks (20). datum block(20); The measurement assembly is supported between the two measurement support frames (10) movably up and down; The measurement support frame (10) is provided with vertically arranged reference lines, and a plurality of laser rangefinders (21) are fixedly arranged on the surface of the reference block (20) opposite to the measurement support frame , the distance between the reference block and the measurement support frame measured by each of the laser rangefinders (21) and the positional relationship between the point where the laser irradiates the measurement support frame and the reference line is used to determine the reference line Whether the measurement support frame needs to be calibrated; and when the measurement support frame needs to be calibrated, the position of the measurement support frame is fine-tuned and corrected by the calibration and fine-tuning component (22); Both the laser rangefinder (21) and the measurement assembly are controlled by the controller (23); The calibration and fine-tuning assembly includes a positioning seat (29), a fine-tuning stud (28), a positioning ellipsoid seat (30), a connecting column and a fixed arc plate (31), wherein the measuring base (9) is installed with the The position of the measurement support frame is provided with an adjustment groove (27), the connection column is connected and fixed on the lower end of the measurement support frame, the lower end of the connection column is fixed at the upper end of the positioning ellipsoid seat, and the positioning seat (29) is provided with an accommodating groove for accommodating the positioning ellipsoid seat and matching its shape, the volume of the accommodating groove is larger than that of the positioning ellipsoid seat (30), and the positioning seat (29) It is fixed on the lower end surface of the measurement base, an adjustment gap cavity is arranged between the connecting column and the adjustment groove, and a plurality of holes extending into the accommodating groove are arranged on the circumference of the positioning seat. The fine adjustment stud (28), the inner end of the fine adjustment stud (28) is fixedly provided with the fixed arc plate (31), and the fixed arc plate (31) can be connected with the outer periphery of the positioning ellipsoid seat The surface is locked and positioned, and the angle of the measurement support frame can be fine-tuned by adjusting the protruding lengths of different fine-tuning studs. 2 . The product design measuring device according to claim 1 , wherein a wear-resistant pad is fixedly adhered to the inner wall of the accommodating groove, and a wear-resistant pad is adhered and fixed on the peripheral wall of the positioning ellipsoid seat. 3 . A grinding rubber pad (32), wherein the long axis of the positioning ellipsoid seat is arranged to extend laterally. 3 . The product design measuring device according to claim 1 , wherein the measuring base ( 9 ) and the reference block ( 20 ) are made of marble, alloy steel, or ceramic materials. 4 . 4. A product design measurement device according to claim 3, characterized in that, the clamping table mechanism (6) is connected to the measurement base (9) by a rotating connection piece (8), and the rotating connection The component (8) includes a rotating base (33), a rotating ring (35) and a wear-resistant support ring (34), wherein the measurement base (9) is provided with a blind hole groove, the groove of the blind hole groove A rotating ring (35) is arranged on the inner wall, the rotating base (33) is rotatably closely fitted on the inner wall of the rotating ring, and the bottom wall of the blind hole groove is provided with a wear-resistant support ring (34), The bottom support of the rotating base is arranged on the wear-resistant support ring (34), the upper end surface of the rotating base (33) is arranged flush with the upper end surface of the measuring base, and the clamping A stage mechanism (6) is arranged on the upper end face of the rotating base. 5. A product design measuring device according to claim 1, characterized in that, the measuring assembly comprises a first measuring rod (12), a second measuring rod (13) and a lifting threaded rod (1), wherein, A second measurement rod (13) is arranged between the measurement support frames (10), and a second chute (18) is opened at the surface position of the second measurement rod (13), and the second chute ( 18) two first measuring rods (12) are slid horizontally at the inner position of the measuring support frame (10), and vertically extending lifting threaded rods (1) are pierced through the measuring support frame (10). ) is fixedly provided with an adjusting handle (14) at the upper end of the Both ends are threadedly connected to the lifting threaded rod (1), and scale lines (2) are fixedly provided at the outer surface positions of the measuring support frame (10) and the second measuring rod (13). A base plate (24) is fixedly provided with a base plate (24) at the bottom of the first measurement benchmark (12) on the side of the first measurement benchmark (12) close to the measurement support frame (10), and a base plate (24) is arranged on the reference plate (24). A measuring laser range finder (25), the measuring laser range finder (25) measures the distance between the reference plate and the first measuring pole (12) in real time, and the two first measuring poles ( 12) A tension spring is arranged between, so that the first measuring rod (12) is arranged in close contact with the two measuring surfaces of the product to be measured. 6. A product design measurement device according to claim 5, characterized in that the clamping table mechanism (6) comprises a clamping disc (601) and a clamping threaded rod (602), the clamping disc The side surface of (601) is provided with a second threaded hole (603), the second threaded hole (603) is threadedly connected with the clamping threaded rod (602), and the inner surface of the measurement support bracket (10) is provided with a first threaded hole (603) A chute (16), first sliders (15) are fixedly arranged at both ends of the second measuring rod (13), and the second measuring rod (13) is slidably connected to the measuring support frame (10) , both ends of the second measuring rod (13) are provided with first threaded holes (3), and the lifting threaded rod (1) passes through the second measuring rod (3) through the first threaded hole (3). 13), the lifting threaded rod (1) is threadedly connected with the first threaded hole (3). 7. A product design measuring device according to claim 5, characterized in that, second sliders (19) are fixedly arranged on both sides of the first measuring rod (12), and the first The measuring rod (12) is slidably connected with the second measuring rod (13), the number of the first measuring rod (12) is two, and the upper end position of the first measuring rod (12) is fixedly provided with a moving handle ( 17). 8. A product design measuring device according to claim 6, characterized in that, between the measuring base (9) and the rotating connecting piece (8), there is also provided a tensioning device threaded through a threaded hole A threaded rod (7); a squeezing pad (604) is fixedly arranged at one end of the clamping threaded rod (602), and the number of the squeezing pad (604) and the clamping threaded rod (602) is four One, the pressing pad (604) is a member made of rubber. 9. A product design measurement device according to any one of claims 1-8, characterized in that a support column (4) is fixedly connected at the position of the bottom end surface of the measurement base (9), and the support The number of the columns (4) is four, and a wear-resistant and anti-skid pad (5) is fixedly arranged at the bottom end of the support column (4).

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