Flatness detection device

Abstract

The utility model discloses a flatness detection device, which comprises a first movable plate and a second movable plate, a telescopic rod is arranged between the first movable plate and the second movable plate, the surface of one end, far away from the first movable plate, of the second movable plate is fixedly connected with connecting plates, a rotating plate is rotatably arranged between the connecting plates, and the rotating plate is fixedly connected with the telescopic rod. The first movable plate and the second movable plate are arranged, the telescopic rod is arranged between the first movable plate and the second movable plate, the second movable plate is connected with the movable plate through the connecting plate and the rotating plate, and the movable plate can rotate by a certain angle relative to the second movable plate to achieve angle measurement. The telescopic rod is composed of the movable pipes which are in sliding connection, the ends of the movable pipes are rotationally connected with the rotating bases, and therefore the length of the telescopic rod is controlled under the thread fit effect, the length of the equipment cannot be changed when the equipment is used, and operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a flatness detection device. Background Art

[0002] In the process of construction engineering, it is often necessary to test the flatness of the building and then determine the quality of the building. The current practice is to use spirit levels and level gauges to test. The spirit level uses the principle of liquid level to directly display angular displacement with a spirit bubble to measure the degree of deviation of the measured surface relative to the horizontal position, plumb position, and inclined position. There are certain defects in its use, and it cannot accurately detect the angle deviation value. In addition, the detection length range is fixed.

[0003] The patent number is CN214621008U, and the patent name is a flatness detection device. Through the existence of the connecting part, the detection distance of the detection device can be effectively improved under the premise of ensuring the connection between the fixed ruler and the adjustable ruler, meeting the special use needs of users and making the design more humane. However, the elongation length of the connecting part is limited, and when measuring, the connecting part may move and affect the measurement, which is inconvenient to operate. For this reason, a flatness detection device is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a flatness detection device to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a flatness detection device, comprising a first movable plate and a second movable plate, a telescopic rod is arranged between the first movable plate and the second movable plate, a connecting plate is fixedly connected to the surface of one end of the second movable plate away from the first movable plate, the number of the connecting plates is two, and the two connecting plates are arranged in parallel, a rotating plate is rotatably arranged between the connecting plates, the rotating plate is fixedly connected to the movable plate, a groove is arranged on the surface of the movable plate, and a pointer is rotatably arranged on the inner surface of the groove.

[0006] According to the above technical solution, a first movable groove is provided inside the first movable plate, a second movable groove opposite to the first movable groove is provided inside the second movable plate, and the telescopic rod is provided inside the first movable groove and the second movable groove.

[0007] According to the above technical solution, the telescopic rod includes a fixed tube fixedly connected to the inside of the first movable groove, a first movable tube is movably provided on the inner surface of the fixed tube, a second movable tube is movably provided inside the first movable tube, and the second movable tube is fixedly connected to the inner surface of the second movable groove.

[0008] According to the above technical solution, a guide rod is arranged between the first movable plate and the second movable plate.

[0009] According to the above technical solution, a first rotating seat is rotatably provided at one end of the first movable tube corresponding to the end located inside the first movable groove, and the first rotating seat is threadedly connected to the inner circumferential surface of the fixed tube; a second rotating seat is rotatably provided at one end of the second movable tube corresponding to the end located inside the first movable groove, and the second rotating seat is threadedly connected to the inner circumferential surface of the first movable tube; a transmission rod is rotatably provided inside the second movable tube, and the transmission rod is movably connected to the first rotating seat and the second rotating seat respectively.

[0010] Compared with the prior art, the beneficial effect achieved by the utility model is as follows: the utility model is provided with a first movable plate and a second movable plate, a telescopic rod is arranged between the first movable plate and the second movable plate, the second movable plate is connected to the movable plate by a connecting plate and a rotating plate, the movable plate can be rotated a certain angle relative to the second movable plate to realize angle measurement, the telescopic rod is composed of movable tubes slidably connected to each other, and the ends of the movable tubes are rotatably connected to the rotating seat, so that the length of the telescopic rod is controlled by the action of threaded cooperation, the length of the equipment will not change when in use, and it is more convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0014] Figure 3 It is a left-side cross-sectional structural schematic diagram of the utility model;

[0015] Figure 4 It is a schematic diagram of the telescopic rod structure of the utility model;

[0016] In the figure: 1-first movable plate, 2-second movable plate, 3-connecting plate, 4-rotating plate, 5-movable plate, 6-groove, 7-pointer, 8-first movable groove, 9-second movable groove, 10-fixed tube, 11-first movable tube, 12-second movable tube, 13-guide rod, 14-first rotating seat, 15-second rotating seat, 16-transmission rod. DETAILED DESCRIPTION

[0017] 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 in 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.

[0018] See also Figure 1-4 The utility model provides a technical solution: a flatness detection device, including a first movable plate 1 and a second movable plate 2, such as Figure 1 As shown, a telescopic rod is provided between the first movable plate 1 and the second movable plate 2. Under the action of the telescopic rod, the first movable plate 1 and the second movable plate 2 can slide relative to each other, thereby changing the overall length of the equipment. A connecting plate 3 is fixedly connected to the surface of one end of the second movable plate 2 away from the first movable plate 1. The number of the connecting plates 3 is two, and the two connecting plates 3 are arranged in parallel. A rotating plate 4 is rotatably provided between the connecting plates 3. The rotating plate 4 is fixedly connected to a movable plate 5. A groove 6 is provided on the surface of the movable plate 5. A pointer 7 is rotatably provided on the inner surface of the groove 6. The pointer 7 points downward under the action of gravity. By setting a scale in the groove 6, the flatness of the measured location can be judged by the scale pointed by the pointer 7, as shown in FIG. Figure 3 As shown, a positioning pin can be movably provided through the end surface of the connecting plate 3, a positioning hole can be provided on the surface of the rotating plate 4, and an elastic element can be provided between the positioning pin and the connecting plate 3 so that the positioning pin can be inserted into the positioning hole to position the rotating plate 4 and prevent the rotating plate 4 from deviating and rotating. Therefore, the positioning hole and the positioning pin matched with the positioning hole can be provided when the rotating plate 4 and the second movable plate 2 are 90° to each other;

[0019] Specifically, a first movable groove 8 is provided inside the first movable plate 1, and a second movable groove 9 is provided inside the second movable plate 2 to be opposite to the first movable groove 8. Figure 2 As shown, the first movable plate 8 and the second movable groove 9 are respectively in the shape of long strips, and the first movable groove 8 and the second movable groove 9 are extended along the same straight line, and the telescopic rod is arranged inside the first movable groove 8 and the second movable groove 9, and the telescopic rod can be extended so that the first movable plate 1 and the second movable plate 2 can slide relative to each other, thereby changing the overall length of the device, so as to facilitate the measurement of the flatness of different parts;

[0020] Specifically, the telescopic rod includes a fixed tube 10 fixedly connected to the inside of the first movable groove 8, and a first movable tube 11 is movably provided on the inner surface of the fixed tube 10. In order to enable the first movable tube 11 and the fixed tube 10 to slide smoothly, the outer circumference of the first movable tube 11 is evenly fitted with the inner circumference of the fixed tube 10, and a second movable tube 12 is movably provided inside the first movable tube 11. The second movable tube 12 is fixedly connected to the inner surface of the second movable groove 9. Similarly, the outer wall of the second movable tube 12 is evenly fitted with the inner wall of the first movable tube 11, so that the second movable tube 12 can slide smoothly relative to the first movable tube 11.

[0021] Specifically, a guide rod 13 is provided between the first movable plate 1 and the second movable plate 2. The guide rod 13 is an extendable rod, so that the first movable plate 1 and the second movable plate 2 can slide relative to each other without relative rotation, so as to facilitate measurement and ensure accurate measurement results.

[0022] Specifically, a first rotating seat 14 is rotatably provided at one end of the first movable tube 11 corresponding to the one end located inside the first movable groove 8, the first rotating seat 14 is coaxially provided with the first movable tube 11, the first rotating seat 14 is screwed to the inner circumference of the fixed tube 10, a second rotating seat 15 is rotatably provided at one end of the second movable tube 12 corresponding to the one end located inside the first movable groove 8, the second rotating seat 15 is screwed to the inner circumference of the first movable tube 11, a transmission rod 16 is rotatably provided inside the second movable tube 12, the transmission rod 16 is movably connected to the first rotating seat 14 and the second rotating seat 15 respectively, and the transmission rod 16 is composed of a plurality of movably connected rods. The rods can slide along their length direction and drive the first rotating seat 14 and the second rotating seat 15 to rotate at the same time, and then drive the first movable tube 11 and the second movable tube 12 to slide respectively under the action of thread cooperation, so that the telescopic rod is extended. In order to prevent the first movable tube 11 and the second movable tube 12 from rotating relative to each other, a sliding groove extending in the same direction can be provided on the outer circumference of the first movable tube 11 and the second movable tube 12, and a corresponding sliding block is provided on the inner wall of the fixed tube 10 and the first movable tube 11 to prevent rotation, so as to ensure that they can slide against each other under the action of the two rotating seats, and a knob coaxially connected to the transmission rod 16 is rotatably provided on one side surface of the first movable plate 1;

[0023] When the utility model is used, by rotating the knob, the knob drives the transmission rod 16 to rotate, and the transmission rod 16 drives the first rotating seat 14 and the second rotating seat 15 to rotate respectively. Under the action of the threaded cooperation, the first movable tube 11 slides relative to the fixed tube 10, and the second movable tube 12 slides relative to the first movable tube 11, thereby making the first movable plate 1 and the second movable plate 2 slide relative to each other, adjusting the length of the equipment, and the pointer 7 moves downward under the action of gravity, and the flatness can be judged by observing the pointer 7.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A flatness detection device, comprising a first movable plate (1) and a second movable plate (2), characterized in that: A telescopic rod is provided between the first movable plate (1) and the second movable plate (2); a connecting plate (3) is fixedly connected to the surface of one end of the second movable plate (2) away from the first movable plate (1); the number of the connecting plates (3) is two, and the two connecting plates (3) are arranged in parallel; a rotating plate (4) is rotatably arranged between the connecting plates (3); the rotating plate (4) is fixedly connected to the movable plate (5); a groove (6) is provided on the surface of the movable plate (5); a pointer (7) is rotatably arranged on the inner surface of the groove (6).

2. A flatness detection device according to claim 1, characterized in that: The first movable plate (1) is provided with a first movable groove (8) inside, the second movable plate (2) is provided with a second movable groove (9) arranged opposite to the first movable groove (8), and the telescopic rod is arranged inside the first movable groove (8) and the second movable groove (9).

3. A flatness detection device according to claim 2, characterized in that: The telescopic rod comprises a fixed tube (10) fixedly connected to the inside of the first movable groove (8); a first movable tube (11) is movably provided on the inner surface of the fixed tube (10); a second movable tube (12) is movably provided inside the first movable tube (11); and the second movable tube (12) is fixedly connected to the inner surface of the second movable groove (9).

4. A flatness detection device according to claim 3, characterized in that: A guide rod (13) is provided between the first movable plate (1) and the second movable plate (2).

5. A flatness detection device according to claim 4, characterized in that: A first rotating seat (14) is rotatably provided at one end of the first movable tube (11) corresponding to the one located inside the first movable groove (8), and the first rotating seat (14) is screwed to the inner circumference of the fixed tube (10); a second rotating seat (15) is rotatably provided at one end of the second movable tube (12) corresponding to the one located inside the first movable groove (8), and the second rotating seat (15) is screwed to the inner circumference of the first movable tube (11); a transmission rod (16) is rotatably provided inside the second movable tube (12), and the transmission rod (16) is movably connected to the first rotating seat (14) and the second rotating seat (15), respectively.

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