Length detection device for metering detection

Abstract

The utility model discloses a length detection device for metering detection, and relates to the technical field of length detection. The device comprises a long cylinder body, one end of the long cylinder body is fixedly connected with a base plate, the side face of the long cylinder body is fixedly connected with a cover plate, the end, away from the base plate, of the long cylinder body is fixedly connected with a connector disc, a telescopic device is arranged in the long cylinder body, and the telescopic device comprises a belt. The side face of the belt is rotationally connected to the side face of the chassis, and a pulley is fixedly connected to the inner wall of the belt. Through mutual cooperation of the belt, the pulley, the measuring rod, the moving rod, the cylinder and other components in the telescopic device, the effect of telescopically moving the measuring rod is achieved, the measuring requirements of different lengths can be met, the purpose of measuring in different ranges is achieved, the size of the length measuring device is reduced through telescoping, and the length measuring device is convenient to use. The carrying and the storage are convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of length detection, in particular to a length detection device for measurement detection. Background Art

[0002] Length measurement is the most basic measurement, and the most commonly used tool is a ruler; metrological testing is a process of obtaining a certain result by performing a series of repeated tests on the corresponding parameters of the measured object. In physics, it is usually a process performed on a tool by a measuring instrument to obtain the correct result; in the metrological process, the measuring tools and instruments used are considered to be standard, and they are used to calibrate and verify the tested measuring tools and instruments to measure and ensure the reliability of the measurement results obtained when using the tested measuring tools and instruments.

[0003] A length detection device for metrological detection according to the formula (CN 217032233 U) includes a distance measuring caliper, a digital dial is provided on the upper surface of the distance measuring caliper, a first chuck is installed at the left end of the distance measuring caliper, a punctuation mechanism is provided on the right side of the first chuck, the punctuation mechanism includes a second chuck, a fixed-point marking pen, a first clip bolt body, a second clip bolt body, a first steel ball bearing, a first slide groove, a second steel ball bearing, and a second slide groove, the second chuck is located above the distance measuring caliper, and a fixed-point marking pen is installed at the rear end of the distance measuring caliper. The length detection device for metrological detection is provided with a punctuation mechanism. When the punctuation mechanism is activated, punctuation notes can be made on the detected length, and then combined with the measurement data. However, during the measurement process, objects of different lengths may be encountered. Existing length measuring devices are difficult to adapt to the measurement requirements of different lengths and difficult to achieve measurements in different ranges. In addition, most existing length measuring devices are too large and may be inconvenient to carry and difficult to store. It is difficult to achieve measurements in different ranges through components such as dials, chucks, and fixed-point marking pens, and it is difficult to achieve the effect of convenient carrying and storage, which needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a length detection device for metrology and detection. Through the mutual cooperation between the belt, pulley, measuring rod, moving rod, cylinder and other components inside the telescopic device, the effect of telescopically moving the measuring rod is achieved, which can adapt to the measurement needs of different lengths and achieve the purpose of being able to measure in different ranges. The volume of the length measuring device is reduced by being telescopic, which is convenient for carrying and storage, and solves the existing problems.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The cam is fixedly provided with a toothed structure, and the toothed structure is fixedly provided with a toothed structure, and the toothed structure is fixedly provided with a toothed structure, and the toothed structure is fixedly provided with a toothed structure, and the toothed structure is fixedly provided with a toothed structure, and the toothed structure is fixedly provided with a toothed structure, and the toothed structure is fixedly provided with a toothed structure, and the toothed structure is fixedly provided with a toothed structure,

[0007] Furthermore, one end of the second long rod is fixedly connected to one end of the measuring rod, and one end of the second connecting rod is fixedly connected to one end of the moving rod. This design is conducive to making the connection of the measuring rod more secure.

[0008] Furthermore, two pulleys are provided, a size column is fixedly connected to the circumferential surface of the measuring rod, two round rods are provided, and the pulley is located on the displacement track of the belt. Such a design is conducive to the belt driving the pulley to rotate.

[0009] Furthermore, a fixing device is provided on the circumferential surface of the moving rod, and the fixing device includes a mounting plate, the bottom of the mounting plate is fixedly connected to the circumferential surface of the moving rod, the side of the mounting plate is rotatably connected to a displacement block, the bottom of the displacement block is fixedly connected to an insertion rod, the side of the displacement block is fixedly connected to a pressing block, a roller passes through the side of the mounting plate, and the side of the roller is rotatably connected to the side of the mounting plate, and a slot is provided on the circumferential surface of the measuring rod. Such a design is conducive to fixing the position of the measuring rod and reducing measurement errors.

[0010] Furthermore, the notch is located on the displacement track of the insertion rod, and there are multiple notches provided along a linear array on the circumferential surface of the measuring rod. Such a design is conducive to allowing the measuring rod to have multiple positions to be selected for fixation.

[0011] Furthermore, the measuring rod is made of metal, and two mounting plates are provided, which are symmetrical to each other along the vertical center axis of the displacement block. Such a design is conducive to making the displacement block more stably installed.

[0012] Furthermore, the moving rod is made of metal, a sliding groove is provided on the side of the interface plate, and the belt is made of rubber. Such material design is conducive to long-term use.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model realizes the effect of telescopically moving the measuring rod through the mutual cooperation between the belt, pulley, measuring rod, moving rod, cylinder and other components inside the telescopic device, which can adapt to the measurement needs of different lengths and achieve the purpose of measuring within different ranges. The volume of the length measuring device is reduced by being telescopic, which is convenient for carrying and storage.

[0015] 2. The utility model realizes the effect that the insertion rod can be stuck into the slot through the mutual cooperation between the mounting plate, displacement block, roller, pressing block, insertion rod, slot and other components inside the fixing device. The insertion rod is stuck into the slot to achieve the effect of fixing the position of the measuring rod, which facilitates the measurement of the measuring rod, reduces the displacement of the measuring rod during measurement, and reduces measurement errors.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0019] Figure 2 This is a schematic diagram of a three-dimensional front view structure of a connecting rod of the utility model;

[0020] Figure 3 This is a three-dimensional enlarged structural diagram of the pulley of the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional bottom-up structure of the connecting rod of the utility model;

[0022] Figure 5 It is a three-dimensional enlarged structural diagram of the block of the utility model;

[0023] Figure 6 This is a schematic diagram of the three-dimensional structure of the pressing block of the utility model.

[0024] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0025] 1. Long cylinder; 2. Chassis; 3. Cover plate; 4. Interface plate; 5. Telescopic device; 51. Belt; 52. Cylinder; 53. Long plate; 54. Block; 55. Long rod one; 56. Long rod two; 57. Measuring rod; 58. Round rod; 59. Connecting rod one; 510. Connecting rod two; 511. Moving rod; 512. Sizing column; 513. Pulley; 6. Fixing device; 61. Mounting plate; 62. Displacement block; 63. Insertion rod; 64. Pressing block; 65. Roller; 66. Notch. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-6 The utility model is a length detection device for measurement and detection, including a long cylinder 1, one end of the long cylinder 1 is fixedly connected to the chassis 2, the side of the long cylinder 1 is fixedly connected to the cover plate 3, the end of the long cylinder 1 away from the chassis 2 is fixedly connected to the interface plate 4, the interior of the long cylinder 1 is provided with a telescopic device 5, the telescopic device 5 includes a belt 51, the side of the belt 51 is rotatably connected to the side of the chassis 2, the inner wall of the belt 51 is fixedly connected to a pulley 513, the inner wall of the belt 51 is fixedly connected to a cylinder 52, the top of the cylinder 52 is fixedly penetrated by a long plate 53, the long plate 53 The side is fixedly connected to a block 54, the side of the long plate 53 away from the block 54 is fixedly connected to a long rod 1 55, the side of the block 54 away from the long plate 53 is fixedly connected to a long rod 2 56, one end of the long rod 1 55 is fixedly connected to a measuring rod 57, a round rod 58 is fixedly passed through the side of the pulley 513, the side of the round rod 58 is fixedly connected to a connecting rod 1 59, the side of the round rod 58 away from the connecting rod 1 59 is fixedly connected to a connecting rod 2 510, one end of the connecting rod 1 59 is fixedly connected to a moving rod 511, and the side of the measuring rod 57 is slidably sleeved inside the moving rod 511.

[0028] One end of the second long rod 56 is fixedly connected to one end of the measuring rod 57, and one end of the second connecting rod 510 is fixedly connected to one end of the moving rod 511. This design is conducive to making the connection of the measuring rod 57 more secure.

[0029] There are two pulleys 513, a size column 512 is fixedly connected to the circumferential surface of the measuring rod 57, two round rods 58 are set, and the pulley 513 is located on the displacement track of the belt 51. This design is conducive to the belt 51 driving the pulley 513 to rotate.

[0030] A fixing device 6 is provided on the circumferential surface of the moving rod 511, and the fixing device 6 includes a mounting plate 61. The bottom of the mounting plate 61 is fixedly connected to the circumferential surface of the moving rod 511. The side of the mounting plate 61 is rotatably connected to a displacement block 62. The bottom of the displacement block 62 is fixedly connected to an insertion rod 63. The side of the displacement block 62 is fixedly connected to a pressing block 64. A roller 65 passes through the side of the mounting plate 61. The side of the roller 65 is rotatably connected to the side of the mounting plate 61. A slot 66 is provided on the circumferential surface of the measuring rod 57. This design is conducive to fixing the position of the measuring rod 57 and reducing measurement errors.

[0031] The slot 66 is located on the displacement track of the insertion rod 63. There are multiple slots 66 arranged along a linear array on the circumferential surface of the measuring rod 57. This design is conducive to allowing the measuring rod 57 to be fixed in multiple positions.

[0032] The measuring rod 57 is made of metal, and two mounting plates 61 are provided, which are symmetrical to each other along the vertical center axis of the displacement block 62. Such a design is conducive to making the displacement block 62 more stably installed.

[0033] The moving rod 511 is made of metal, a sliding groove is provided on the side of the interface plate 4, and the belt 51 is made of rubber. Such a material design is conducive to long-term use.

[0034] A specific application of this embodiment is: this application uses the measuring rod 57 inside the telescopic device 5. When the measuring rod 57 is pulled, the cylinder 52 is fixedly connected to the inner wall of the belt 51. The cylinder 52 is fixedly connected to the top of the long plate 53. The side of the long plate 53 is fixedly connected with the long rod 1 55. The side of the block 54 is fixedly connected with the long rod 2 56. The long rod 1 55 and the long rod 2 56 are fixedly connected to one end of the measuring rod 57. Therefore, when the measuring rod 57 is pulled forward, the long rod 1 55 and the long rod 2 56 will move forward inside the moving rod 511. At this time, the belt 51 is also pulled to rotate the belt 51. The rotation of the belt 51 drives the pulley 513 to rotate from left to right, and the pulley 513 rotates the belt The movable circular rod 58 rotates. When the circular rod 58 rotates, it will drive the connecting rod 59 and the connecting rod 510 to rotate from left to right and move forward. The measuring rod 57 is slidably connected to the inside of the moving rod 511. The measuring rod 57 is located at the front end of the moving rod 511, so when the measuring rod 57 is pulled, the first thing to move forward is the measuring rod 57, followed by the moving rod 511. When the range to be measured is too long, the measuring rod 57 can be pulled so that the measuring rod 57 can measure a longer range, thereby facilitating the measurement. When the measuring rod 57 is not needed to be so long, pushing it in the opposite direction will cause the belt 51 to move in the opposite direction, thereby causing the measuring rod 57 to retract into the inside of the moving rod 511, thereby achieving retraction. Pressing the pressing block 64 on the moving rod 511 will cause the displacement block 62 to move upward, thereby driving the insertion rod 63 at the bottom of the displacement block 62 to move upward. A slot 66 is provided on the circumferential surface of the measuring rod 57, and there are multiple slots 66. When it is necessary to fix the position of the measuring rod 57, you can press the pressing block 64, move it to the slot 66 at the appropriate position, release the pressing block 64, and make the insertion rod 63 clamped in the slot 66 you want, that is, the position at this time will be fixed and motionless, which is convenient for measurement.

[0035] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0036] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A length detection device for measurement and detection, comprising a long cylindrical body (1), characterized in that: One end of the long cylinder (1) is fixedly connected to a chassis (2), a side of the long cylinder (1) is fixedly connected to a cover plate (3), an end of the long cylinder (1) away from the chassis (2) is fixedly connected to an interface plate (4), and a telescopic device (5) is provided inside the long cylinder (1); The telescopic device (5) comprises a belt (51), the side of the belt (51) is rotatably connected to the side of the chassis (2), a pulley (513) is fixedly connected to the inner wall of the belt (51), a cylinder (52) is fixedly connected to the inner wall of the belt (51), a long plate (53) is fixedly passed through the top of the cylinder (52), a square (54) is fixedly connected to the side of the long plate (53), a long rod (55) is fixedly connected to the side of the long plate (53) away from the square (54), and the square (54) away from the long plate One side of (53) is fixedly connected to a long rod 2 (56), one end of the long rod 1 (55) is fixedly connected to a measuring rod (57), a round rod (58) is fixedly passed through the side of the pulley (513), the side of the round rod (58) is fixedly connected to a connecting rod 1 (59), the side of the round rod (58) away from the connecting rod 1 (59) is fixedly connected to a connecting rod 2 (510), one end of the connecting rod 1 (59) is fixedly connected to a moving rod (511), and the side of the measuring rod (57) is slidably sleeved inside the moving rod (511).

2. A length detection device for measurement and detection according to claim 1, characterized in that: One end of the second long rod (56) is fixedly connected to one end of the measuring rod (57), and one end of the second connecting rod (510) is fixedly connected to one end of the moving rod (511).

3. A length detection device for measurement and detection according to claim 2, characterized in that: Two pulleys (513) are provided, a dimension column (512) is fixedly connected to the circumferential surface of the measuring rod (57), two round rods (58) are provided, and the pulleys (513) are located on the displacement track of the belt (51).

4. A length detection device for measurement and detection according to claim 3, characterized in that: A fixing device (6) is provided on the circumferential surface of the moving rod (511), and the fixing device (6) includes a mounting plate (61), the bottom of the mounting plate (61) is fixedly connected to the circumferential surface of the moving rod (511), the side of the mounting plate (61) is rotatably connected to a displacement block (62), the bottom of the displacement block (62) is fixedly connected to an insertion rod (63), the side of the displacement block (62) is fixedly connected to a pressing block (64), a roller (65) passes through the side of the mounting plate (61), and the side of the roller (65) is rotatably connected to the side of the mounting plate (61), and a notch (66) is provided on the circumferential surface of the measuring rod (57).

5. A length detection device for measurement and detection according to claim 4, characterized in that: The notch (66) is located on the displacement track of the insertion rod (63), and a plurality of the notches (66) are provided along a linear array on the circumferential surface of the measuring rod (57).

6. A length detection device for measurement and detection according to claim 5, characterized in that: The measuring rod (57) is made of metal, and two mounting plates (61) are provided, and are symmetrical to each other along the vertical center axis of the displacement block (62).

7. A length detection device for measurement and detection according to claim 6, characterized in that: The moving rod (511) is made of metal, a sliding groove is provided on the side of the interface plate (4), and the belt (51) is made of rubber.

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