Measuring device convenient to carry

Abstract

The utility model belongs to the technical field of constructional engineering measurement, and particularly relates to a portable measuring device which comprises a connecting frame, one end of the connecting frame is fixedly connected with a handle, a containing cavity is formed in the center of the connecting frame, two measuring plates are rotatably connected in the containing cavity, and the surfaces of the two sides of the connecting frame are fixedly connected with cover plates. Wherein the surface of one cover plate is in limited sliding connection with a measuring disc, a mounting cavity is arranged between the connecting frame and the cover plate, and a positioning mechanism for locking the measuring plate is arranged in the mounting cavity between the connecting frame and the cover plate; according to the utility model, the positioning mechanism is arranged to lock the position of the measuring plate, so that the measuring accuracy can be ensured, the inaccurate measuring result caused by the deviation of the position of the measuring plate can be prevented, the measuring accuracy and convenience can be improved, meanwhile, the device is convenient to carry by arranging the handle, and the device is more reliable, convenient and efficient in the use process.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering measurement, in particular to a portable measurement device. Background Art

[0002] The construction and completion quality inspection of engineering construction, decoration and renovation, bridge construction, equipment installation and other projects all require measuring rulers for inspection. Among them, traditional construction engineering measuring rulers are divided into many categories.

[0003] Most construction projects are tested in poor environments, especially in bridge tunnels and tunnels, where the light is poor and it is inconvenient to observe the measurement results after the measurement. After the measurement, when the measuring device is moved to an environment with sufficient light or no obstacles for observation, the measuring board is prone to move, resulting in inaccurate test results after the measurement, making it difficult to ensure the accuracy of the measurement.

[0004] In view of the above technical defects, a solution is now proposed. Utility Model Content

[0005] The utility model aims to provide a portable measuring device to solve the problem that after the measurement, the measuring plate of the existing measuring device is easily moved, resulting in inaccurate measurement results, poor stability, and difficulty in performing stable and accurate measurement.

[0006] The purpose of the utility model can be achieved by the following technical solutions: a portable measuring device, comprising a connecting frame, one end of the connecting frame is fixedly connected to a handle, a storage cavity is opened in the center of the connecting frame, two measuring plates are rotatably connected in the storage cavity, both sides of the connecting frame are fixedly connected to cover plates, a surface of one of the cover plates is limitedly slidably connected to a measuring disk, an installation cavity is provided between the connecting frame and the cover plate, and a positioning mechanism for locking the measuring plate is provided in the installation cavity between the connecting frame and the cover plate;

[0007] The positioning mechanism includes a rotating sleeve located in the installation cavity, penetrating the connecting frame and fixedly connected to the measuring plate, a fixed block is fixedly connected to the surface of the connecting frame located in the installation cavity, the fixed block is penetrated and is slidably connected to a sliding rod, an end of the sliding rod close to the rotating sleeve is fixedly connected to a locking block, rough textures are distributed in an annular manner on the outer contour of the rotating sleeve, an arc-shaped bayonet matching the rotating sleeve is provided at one end of the locking block close to the rotating sleeve, and a rope extending toward the handle is fixedly connected to the locking block.

[0008] Preferably, two sliding rods are symmetrically arranged, and a spring 1 is sleeved on the outer contour of the two sliding rods. One end of the spring 1 abuts against the fixed block, and the other end of the spring 1 abuts against the locking block.

[0009] Preferably, a placement cavity is provided in the handle, and a pressing block is penetrated and slidably connected to the handle in a limited position, and the pressing block passes through the handle and is fixedly connected to a push plate at one end thereof located in the placement cavity, and the rope passes through the handle at one end away from the locking block and extends toward the push plate, and a connecting block fixedly connected to the rope is fixedly installed in the placement cavity, and a plurality of guide columns cooperating with the rope are fixedly connected in the placement cavity, and the rope is against the push plate.

[0010] Preferably, a sleeve is fixedly connected to the inner wall of the placement cavity near the push plate, a sleeve rod is penetrated through the sleeve and is limitedly slidably connected to the sleeve, and a spring 2 is arranged in the sleeve to resist the sleeve rod.

[0011] Preferably, a limiting groove is provided on the surface of one of the cover plates, a slider 1 is slidably connected in the limiting groove on the cover plate, the slider 1 is fixedly connected to the measuring disk, and a through hole cooperating with the measuring disk is provided at the center of the slider 1.

[0012] Preferably, magnetic blocks for locking the measuring plate are provided on both sides of the storage cavity, a sliding bar is fixedly connected between the two magnetic blocks, and the sliding bar is located in the storage cavity and is slidably connected to the storage cavity.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model provides a positioning mechanism, and the friction between the locking block and the rotating sleeve locks the position of the measuring plate, which can ensure the accuracy of measurement and prevent inaccurate measurement results caused by the displacement of the measuring plate. Pressing the pressing block can release the lock of the measuring plate and push the measuring plate to move on the surface of the cover plate. When the centers of the two measuring plates coincide, easy measurement can be performed. At the same time, the device can be easily carried by providing a handle, which can provide measurement accuracy and convenience.

[0015] (2) By making the measuring plate a metal material that matches the magnetic block, the magnetic block is pushed to slide on the connecting frame, so that the two measuring plates stored in the storage cavity can be locked, thereby preventing the measuring plates from being separated from the storage cavity when the push plate is accidentally touched. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings;

[0017] Figure 1 The utility model has an overall structure of three-dimensional Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the positioning mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the handle of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the magnetic suction block of the utility model;

[0021] Figure 5 It is a schematic diagram of the locking block structure of the utility model.

[0022] Legend: 1. Connecting frame; 2. Storage cavity; 3. Handle; 4. Measuring disk; 5. Measuring plate; 6. Cover plate; 7. Slider 1; 8. Pressing block; 9. Locking block; 10. Rotating sleeve; 11. Rope; 12. Pushing plate; 13. Placement cavity; 14. Sleeve; 15. Sleeve rod; 16. Guide column; 17. Connecting block; 18. Sliding bar; 19. Magnetic block; 20. Fixed block; 21. Sliding rod; 22. Spring 1. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] This embodiment is used to solve the problem in the existing measuring device that after the measurement is completed, the measuring plate is easy to move, resulting in inaccurate measurement results, poor stability, and difficulty in performing stable and accurate measurement.

[0026] See also Figure 1 - Figure 5 As shown, this embodiment is a portable measuring device, including a connecting frame 1, one end of the connecting frame 1 is fixedly connected to a handle 3, a storage cavity 2 is opened in the center of the connecting frame 1, and two measuring plates 5 are rotatably connected in the storage cavity 2, both sides of the connecting frame 1 are fixedly connected to cover plates 6, and a measuring disk 4 is limitedly slidably connected to the surface of one of the cover plates 6, an installation cavity is provided between the connecting frame 1 and the cover plate 6, and a positioning mechanism for locking the measuring plate 5 is provided in the installation cavity between the connecting frame 1 and the cover plate 6; the positioning mechanism includes a rotating sleeve 10 located in the installation cavity, penetrating the connecting frame 1 and fixedly connected to the measuring plate 5, a fixed block 20 is fixedly connected to the surface of the connecting frame 1 located in the installation cavity, the fixed block 20 is penetrated and limitedly slidably connected to a sliding rod 21, and a locking block 9 is fixedly connected to one end of the sliding rod 21 close to the rotating sleeve 10, and the outer contour of the rotating sleeve 10 is annularly distributed with rough lines, and the locking block 9 is provided with an arc-shaped bayonet matched with the rotating sleeve 10 at one end close to the rotating sleeve 10, and the locking block 9 is fixedly connected to a rope 11 extending in the direction of the handle 3.

[0027] The two measuring plates 5 are rotated out of the storage chamber 2, and the angle between the two measuring plates 5 and the connecting frame 1 is used to measure the size corners of the construction project, or the measuring plates 5 are brought close to each other to measure the angle of the corner between the two measuring plates 5. By setting a positioning mechanism, when the locking block 9 is in close contact with the rotating sleeve 10, the position of the measuring plate 5 is locked by the friction force between the locking block 9 and the rotating sleeve 10. The surface of the measuring disk 4 is provided with 0-360 degree scale lines, which push the measuring disk 4 to move on the surface of the cover plate 6. When the center of the measuring disk 4 coincides with the center of the two measuring plates 5, the measuring disk 4 can cooperate to measure the angles of the two opposite corners, which has high stability and high accuracy, and prevents the two measuring plates 5 from moving easily, resulting in the problem of offset of the measurement results.

[0028] Two sliding rods 21 are symmetrically arranged, and a spring 22 is sleeved on the outer contour of the two sliding rods 21. One end of the spring 22 is against the fixed block 20, and the other end of the spring 22 is against the locking block 9. Under the action of the spring 22, the locking block 9 can always be against the rotating sleeve 10, thereby locking the rotating sleeve 10 and preventing the rotating sleeve 10 from moving easily.

[0029] A placement cavity 13 is provided in the handle 3, and a pressing block 8 is penetrated and limitedly slidably connected to the handle 3. The pressing block 8 penetrates the handle 3 and is fixedly connected to a push plate 12 at one end located in the placement cavity 13. The end of the rope 11 away from the locking block 9 penetrates the handle 3 and extends toward the push plate 12. A connecting block 17 fixedly connected to the rope 11 is fixedly installed in the placement cavity 13. A plurality of guide columns 16 cooperating with the rope 11 are fixedly connected in the placement cavity 13, and the rope 11 abuts against the push plate 12. Two positioning mechanisms are provided, corresponding to the two measuring plates 5 respectively. Pressing the pressing block 8 fixedly connected to the push plate 12 can push the end of the rope 11 close to the locking block 9 to move, and pull the locking block 9 to separate from the rotating sleeve 10, thereby releasing the lock of the rotating sleeve 10 fixedly connected to the measuring plate 5.

[0030] A sleeve 14 is fixedly connected to the inner wall of the placement cavity 13 near the push plate 12, and a sleeve rod 15 is penetrated through the sleeve 14 and is limitedly slidably connected thereto. Two springs that abut against the sleeve rod 15 are arranged inside the sleeve 14; two springs that abut against the sleeve rod 15 are arranged inside the sleeve 14, which can push the push plate 12 so that the pressing block 8 fixedly connected to the push plate 12 can be automatically reset.

[0031] A limiting groove is provided on the surface of one of the cover plates 6, and a slider 7 is slidably connected in the limiting groove on the cover plate 6, and the slider 7 is fixedly connected to the measuring disk 4, and a through hole matching the measuring disk 4 is provided in the center of the slider 7; the slider 7 slides in the slide groove on the surface of the cover plate 6, so that the measuring disk 4 fixedly connected to the slider 7 can be moved to the overlap of the two measuring plates 5, so as to measure the angle between the two measuring plates 5;

[0032] Embodiment 2:

[0033] This embodiment is used to solve the problem that the measuring plate 5 is easily separated from the storage chamber 2 when the pressing block is accidentally touched.

[0034] See also Figure 1 , Figure 5 As shown, a portable measuring device of the present embodiment includes magnetic blocks 19 for locking the measuring plates 5 on both sides of the storage chamber 2, a sliding bar 18 is fixedly connected between the two magnetic blocks 19, and the sliding bar 18 is located in the storage chamber 2 and is slidably connected to the storage chamber 2; the measuring plates 5 are made of a metal material that matches the magnetic blocks 19, and the magnetic blocks 19 are pushed to slide on the connecting frame 1, so that the two measuring plates 5 stored in the storage chamber 2 can be locked, so as to prevent the measuring plates 5 from being separated from the storage chamber 2 when the push plate 12 is accidentally touched.

[0035] Combining Embodiment 1 and Embodiment 2

[0036] By setting a positioning mechanism, the friction between the locking block 9 and the rotating sleeve 10 locks the position of the measuring plate 5, which can ensure the accuracy of the measurement and prevent inaccurate measurement results caused by the displacement of the measuring plate 5. At the same time, the pressing block 8 is pressed to release the lock of the measuring plate 5, and the measuring disk 4 is pushed to move on the surface of the cover plate 6. When the two measuring plates 5 coincide with the centers, easy measurement can be performed. At the same time, the handle 3 is provided to facilitate carrying the device. This measuring device can provide measurement accuracy and convenience. At the same time, the handle 3 is provided to facilitate carrying the device, which is more reliable, convenient and efficient during use.

[0037] like Figure 1 - Figure 5 As shown, the working process and principle of the utility model are as follows:

[0038] Step 1: Push the magnetic block 19 to separate the magnetic block 19 from the measuring plate 5 in the storage chamber 2, press the pressing block 8, push the rope 11, move the rope 11 close to one end of the locking block 9, and pull the locking block 9 to separate from the rotating sleeve 10, thereby releasing the locking of the rotating sleeve 10 fixedly connected to the measuring plate 5;

[0039] Step 2, rotate the two measuring plates 5 out of the storage chamber 2, and measure the angle between the two measuring plates 5 and the connecting frame 1 to measure the size and corners of the construction project, or measure the angle of the corner between the two measuring plates 5 by bringing the measuring plates 5 close to each other, release the pressing block 8, and when the locking block 9 is in close contact with the rotating sleeve 10, the position of the measuring plate 5 is locked by the friction force between the locking block 9 and the rotating sleeve 10, and the measuring disk 4 is pushed to move on the surface of the cover plate 6. When the center of the measuring disk 4 coincides with the center of the two measuring plates 5, the measuring disk 4 can cooperate to measure the angles of the two opposite corners.

[0040] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A portable measuring device, comprising a connecting frame (1), characterized in that: A handle (3) is fixedly connected to one end of the connecting frame (1); a storage cavity (2) is provided at the center of the connecting frame (1); two measuring plates (5) are rotatably connected in the storage cavity (2); both sides of the connecting frame (1) are fixedly connected to cover plates (6); a measuring disk (4) is limitedly slidably connected to the surface of one of the cover plates (6); an installation cavity is provided between the connecting frame (1) and the cover plate (6); and a positioning mechanism for locking the measuring plate (5) is provided in the installation cavity between the connecting frame (1) and the cover plate (6); The positioning mechanism comprises a rotating sleeve (10) located in the installation cavity, penetrating the connecting frame (1) and fixedly connected to the measuring plate (5); a fixed block (20) is fixedly connected to the surface of the connecting frame (1) located in the installation cavity; a sliding rod (21) is penetrated by the fixing block (20) and is limitedly slidably connected to the fixing block (20); a locking block (9) is fixedly connected to one end of the sliding rod (21) close to the rotating sleeve (10); a rough pattern is distributed in an annular manner on the outer contour of the rotating sleeve (10); an arc-shaped bayonet matching the rotating sleeve (10) is arranged at one end of the locking block (9) close to the rotating sleeve (10); and a rope (11) extending in the direction of the handle (3) is fixedly connected to the locking block (9).

2. A portable measuring device according to claim 1, characterized in that: Two sliding rods (21) are symmetrically arranged, and a spring (22) is sleeved on the outer contour of the two sliding rods (21). One end of the spring (22) abuts against the fixed block (20), and the other end of the spring (22) abuts against the locking block (9).

3. A portable measuring device according to claim 2, characterized in that: A placement cavity (13) is provided in the handle (3), and a pressing block (8) is penetrated and slidably connected to the handle (3), and one end of the pressing block (8) that penetrates the handle (3) and is located in the placement cavity (13) is fixedly connected to a push plate (12), and the end of the rope (11) that is away from the locking block (9) penetrates the handle (3) and extends toward the push plate (12), and a connecting block (17) that is fixedly connected to the rope (11) is fixedly installed in the placement cavity (13), and a plurality of guide columns (16) that cooperate with the rope (11) are fixedly connected in the placement cavity (13), and the rope (11) abuts against the push plate (12).

4. A portable measuring device according to claim 3, characterized in that: A sleeve (14) is fixedly connected to the inner wall of the placement cavity (13) near the push plate (12), and a sleeve rod (15) is penetrated through and limitedly slidably connected to the sleeve (14). A spring 2 is arranged in the sleeve (14) to resist the sleeve rod (15).

5. A portable measuring device according to claim 4, characterized in that: A limiting groove is provided on the surface of one of the cover plates (6), a slider (7) is slidably connected in the limiting groove on the cover plate (6), the slider (7) is fixedly connected to the measuring disk (4), and a through hole matching the measuring disk (4) is provided at the center of the slider (7).

6. A portable measuring device according to claim 3, characterized in that: Magnetic blocks (19) for locking the measuring plate (5) are provided on both sides of the storage cavity (2), a sliding bar (18) is fixedly connected between the two magnetic blocks (19), and the sliding bar (18) is located in the storage cavity (2) and is slidably connected to the storage cavity (2).

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