Wall surface flatness measuring device

Abstract

The utility model relates to a wall flatness measuring device. According to the utility model, the top pressure measuring blocks are uniformly arranged on the outer shell, the uneven position of the wall surface is measured by using the elastic sliding of the top pressure measuring blocks in the outer shell, and the linear movement of the top pressure measuring blocks is converted into the rotation of the laser indicating piece through the tooth meshing cooperation with the laser indicating piece, so that the variable quantity of the linear movement is amplified; the uneven point of the wall surface is determined by observing the deviation position of the light beam emitted by the laser indicating piece on the light barrier. The whole device effectively amplifies the displacement amount of the top pressure measuring block on the uneven wall surface, the displacement amount can be confirmed by observing the offset amount of the light beam, the detection precision is higher, observation and operation are convenient, and the measurement efficiency can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wall surface measurement technical field, concretely is a wall surface flatness measuring device. BACKGROUND

[0002] After scraping white powder on the indoor wall, in order to ensure the delivery quality, and satisfy the delivery quality, need to measure the flatness of the wall after decoration, so that the wall is smooth enough, facilitate timely to the uneven place and carry out the finishing. The detection of the wall flatness at present mainly is through the cooperation of the ruler and the plug gauge and then carries out the detection, if is to find the uneven position and carries out the repair, and need not to measure the error size, then through the ruler measurement, the naked eye observation the gap of the ruler to determine the uneven position, or through the light irradiation, the naked eye observation the light shadow on the wall to determine, these methods need to rely on the experience of the worker to observe the subtle change, is greatly influenced by human, and the measuring efficiency is lower. CONTENT OF THE UTILITY MODEL

[0003] In view of the problems existing in the prior art, the utility model discloses a wall surface flatness measuring device, adopts the technical scheme that the lateral slot is evenly opened in the front side of the shell body, the rotating shaft is fixedly connected in the lateral slot, and the laser indicating piece is one-to-one corresponding and rotatably installed in the lateral slot through the rotating shaft, the light shield plate is fixedly connected to the front side of the shell body through the supporting rod, the light shield plate is shielded in the front part of the lateral slot, and the light beam emitted by the laser indicating piece can be irradiated on the light shield plate, so that the angle of deflection of the laser indicating piece can be conveniently observed, the marking groove is evenly opened in the rear side of the shell body, the marking groove is one-to-one corresponding with the laser indicating piece, and when the laser indicating piece is observed to be deviated, it indicates that the wall at this position is uneven, and the uneven position can be marked at the marking groove. The handle is fixedly connected to the both ends of the upper surface of the shell body, the handle is convenient for holding and controlling the whole shell body to measure, the battery compartment and the power switch are arranged in the middle part, the battery arranged in the battery compartment is electrically connected between the power switch and the laser indicating piece, the laser indicating piece is powered by the battery, the power switch is used for controlling the on-off of the laser indicating piece, the lower surface of the shell body is a measurement surface, a measurement block slot is formed in the middle part, the top pressing measurement block is elastically and slidably installed in the measurement block slot, the lateral slot is communicated with the measurement block slot, the top pressing measurement block is one-to-one corresponding with the laser indicating piece and is toothedly and movably installed, the limiting rod is fixedly and penetratingly arranged in the middle part of the shell body, and the top pressing measurement block is slidingly and penetratingly arranged on the limiting rod.

[0004] As a preferred scheme of the utility model, the light blocking plate is divided into a lower inclined plate located at the lower part, a vertical plate located at the middle part and an upper inclined plate located at the upper part, the light blocking plate is arranged obliquely relative to the outer shell, the lower inclined plate is close to the front side of the outer shell, the upper inclined plate is away from the front side of the outer shell, the vertical plate is parallel to the front side of the outer shell, and the vertical plate is opposite to the side slot.

[0005] As a preferred scheme of the utility model, the laser indicating part is provided with a rotating connecting hole in the middle part, a laser diode is fixedly connected at one end, and an arc-shaped toothed plate is fixedly connected at the other end, the rotating connecting hole is rotatably connected with the rotating shaft, the arc-shaped toothed plate is concentric with the rotating connecting hole, and the laser diode is electrically connected with the battery arranged in the battery compartment and the power switch.

[0006] As a preferred scheme of the utility model, the spring is fixedly connected to the upper part of the top pressing measuring block, the other end of the spring is fixedly connected to the bottom surface of the measuring block slot, and the spring is compressed and arranged between the top pressing measuring block and the outer shell, a sliding long hole is formed in the middle part of the top pressing measuring block, the limiting rod passes through the sliding long hole, the lower surface of the top pressing measuring block is a top pressing surface, a rack is formed in the middle part of the side surface, and the rack and the arc-shaped toothed plate are toothedly engaged and arranged.

[0007] The utility model discloses the beneficial effects: the utility model discloses through the uniform arrangement top pressing measuring block on the outer shell, utilizes the elastic sliding of top pressing measuring block in the outer shell, measures the uneven position of wall surface, and through the tooth engagement cooperation with laser indicating part, converts the linear movement of top pressing measuring block into the rotation of laser indicating part, thereby enlarging the change of linear movement, and the position of the light beam of laser indicating part is observed on the light blocking plate to determine the uneven point of wall surface. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is the whole structure schematic diagram first view of the utility model;

[0009] Figure 2 It is the whole structure schematic diagram second view of the utility model;

[0010] Figure 3The partial sectional view of the top pressure measuring block in the pop-up state of the utility model;

[0011] Figure 4 The partial sectional view of the top pressure measuring block in the top pressure retraction state of the utility model;

[0012] Figure 5 The partial structure schematic view of the outer shell body of the utility model;

[0013] Figure 6 The structure schematic view of the laser indicating piece of the utility model;

[0014] Figure 7 The structure schematic view of the top pressure measuring block of the utility model.

[0015] In the figure: 1 outer shell body, 101 side notch, 102 handle, 103 mark groove, 104 support rod, 105 fit measuring surface, 106 measuring block notch, 107 rotating shaft, 2 light barrier, 201 lower inclined plate, 202 vertical plate, 203 upper inclined plate, 3 battery compartment, 4 power switch, 5 laser indicating piece, 501 rotating connection hole, 502 laser diode, 503 arc-shaped tooth plate, 6 limiting rod, 7 top pressure measuring block, 701 spring, 702 sliding long hole, 703 rack, 704 top pressure surface. DETAILED DESCRIPTION

[0016] Example 1

[0017] As Figures 1 to 7As shown, the wall flatness measuring device, the side notches 101 are uniformly and equidistantly arranged on the front side of the shell body 1, the side notches 101 are fixedly connected with the rotating shaft 107, and the laser indicating element 5 is correspondingly and rotatably installed in the side notches 101 through the rotating shaft 107, the rotating connection hole 501 is arranged in the middle of the laser indicating element 5, one end is fixedly connected with the laser diode 502, and the other end is fixedly connected with the arc-shaped tooth plate 503, the rotating connection hole 501 is rotatably connected with the rotating shaft 107, the arc-shaped tooth plate 503 is concentric with the rotating connection hole 501, and when the arc-shaped tooth plate 503 rotates around its center, the laser indicating element 5 can be driven to rotate around the rotating shaft 107. The front side of the shell body 1 is fixedly connected with the light shield plate 2 through the supporting rod 104, the light shield plate 2 is divided into the lower inclined plate 201 located at the lower part, the vertical plate 202 located at the middle part and the upper inclined plate 203 located at the upper part, the light shield plate 2 is inclinedly arranged relative to the shell body 1 and is arranged in front of the side notches 101, the lower inclined plate 201 is close to the front side of the shell body 1, the upper inclined plate 203 is away from the front side of the shell body 1, the vertical plate 202 is parallel to the front side of the shell body 1 and faces the side notches 101, and the light beam emitted by the laser diode 502 is irradiated on the light shield plate 2, so that the deflection angle of the laser indicating element 5 is observed. The rear side of the shell body 1 is uniformly and equidistantly provided with the marking groove 103, the marking groove 103 is correspondingly arranged with the laser indicating element 5, and when the laser indicating element 5 is observed to be deviated, it indicates that the wall at this position is not flat, and the position of the uneven wall can be marked through the marking groove 103.

[0018] The outer shell 1 upper surface both ends are fixedly connected with handle 102, convenient to hold control the whole outer shell 1 carries out measurement, middle part is provided with battery compartment 3 and power switch 4, the laser diode 502 with the battery and the power switch 4 of setting in the battery compartment 3 electrically connected, by battery for laser diode 502 power supply, through power switch 4 control laser diode 502 switch. The lower surface of the outer shell 1 is a measurement surface 105, and a measurement block slot 106 is provided in the middle part, the side slot 101 is in communication with the measurement block slot 106, a top pressure measurement block 7 is elastically slidably installed in the measurement block slot 106, a spring 701 is fixedly connected to the upper part of the top pressure measurement block 7, the other end of the spring 701 is fixedly connected to the bottom surface of the measurement block slot 106 and is compressedly installed between the top pressure measurement block 7 and the outer shell 1, a sliding long hole 702 is provided in the middle part of the top pressure measurement block 7, a limiting rod 6 is fixedly penetrated in the middle part of the outer shell 1, the limiting rod 6 penetrates through the sliding long hole 702, and the top pressure measurement block 7 is slidably penetrated on the limiting rod 6. The lower surface of the top pressure measurement block 7 is a top pressure surface 704, a rack 703 is provided in the middle part of the side surface, the rack 703 and the arc-shaped tooth plate 503 are one-to-one corresponding tooth engagement and are installed, when the top pressure measurement block 7 is telescopically slid in the measurement block slot 106, the arc-shaped tooth plate 503 can be driven to rotate through the rack 703, so that the arc-shaped tooth plate 503 drives the laser indicator 5 to rotate around the rotating shaft 107.

[0019] When the wall surface is flat, the top pressing surface 704 is flush with the abutting measuring surface 105, and the light beam emitted by the laser diode 502 is perpendicular to the vertical plate 202, forming a light spot on the vertical plate 202, which proves that the wall surface corresponding to the top pressing measuring block 7 is flat at this time. When the wall surface has a protrusion, the top pressing measuring block 7 will be further pressed into the measuring block slot 106, so that the top pressing measuring block 7 is offset and drives the arc-shaped gear plate 503 to rotate through the rack 703, synchronously driving the laser indicating piece 5 to rotate, so that the light beam emitted by the laser diode 502 is offset downward and irradiates to the lower inclined plate 201; when the wall surface has a pit, the top pressing measuring block 7 will pop out, so that the top pressing measuring block 7 is reversely offset, at this time, the arc-shaped gear plate 503 is reversely rotated through the rack 703, synchronously driving the laser indicating piece 5 to reversely rotate, so that the light beam emitted by the laser diode 502 is reversely offset and irradiates to the upper inclined plate 203. Therefore, during the measurement process, by observing the position of the light spot irradiated by the laser diode 502 on the light shield plate 2, when the light spot is on the vertical plate 202, the wall surface is flat; when the light spot is on the lower inclined plate 201, it proves that the wall surface corresponding to the position is protruded, and the protrusion position can be marked through the corresponding marking groove 103; when the light spot is on the upper inclined plate 203, it proves that the wall surface corresponding to the position has a pit, and the pit position can be marked through the corresponding marking groove 103.

[0020] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application, in addition, the terms "first", "second" and the like are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated, therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features, in the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0021] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can pass through intermediate medium indirectly connected, can be two element inside's intercommunication, for ordinary skill in the art person, can understand the concrete meaning of above-mentioned term in the utility model through specific circumstances.

[0022] The components and circuit connection parts not described in detail herein are prior art.

[0023] Although the specific embodiments of the utility model have been described in detail above, the utility model is not limited to the above-mentioned embodiments, within the knowledge range possessed by those skilled in the art, various changes can be made without departing from the purpose of the utility model, and the modifications or deformations without creative labor are still within the protection scope of the utility model.

Claims

1. A wall flatness measuring device, characterized by, Including outer casing (1), outer casing (1) front side is uniformly provided with side notches (101) at equal intervals, the side notches (101) are fixedly connected with rotating shafts (107), and the laser indicating pieces (5) are one-to-one corresponding rotatingly matched and installed in the side notches (101) through the rotating shafts (107), the front side of the outer casing (1) is fixedly connected with a light shield (2) through a support rod (104), the light shield (2) is shielded in front of the side notches (101), the rear side of the outer casing (1) is uniformly provided with mark grooves (103) at equal intervals, the mark grooves (103) are one-to-one corresponding with the laser indicating pieces (5), the upper surface of the outer casing (1) is fixedly connected with handles (102) at both ends, and a battery compartment (3) and a power switch (4) are arranged in the middle part, the battery arranged in the battery compartment (3) is electrically connected between the power switch (4) and the laser indicating piece (5), the lower surface of the outer casing (1) is a fitting measurement surface (105), and a measurement block notch (106) is arranged in the middle part, a top pressing measurement block (7) is elastically and slidably installed in the middle part of the measurement block notch (106), the side notches (101) are communicated with the measurement block notch (106), the top pressing measurement block (7) is one-to-one corresponding and tooth-engagingly matched and installed with the laser indicating piece (5), a limiting rod (6) is fixedly and penetratingly arranged in the middle part of the outer casing (1), and the top pressing measurement block (7) is slidingly and penetratingly arranged on the limiting rod (6).

2. The wall flatness measuring device of claim 1, wherein: The light shield (2) is divided into a lower inclined plate (201) located at the lower part, a vertical plate (202) located at the middle part and an upper inclined plate (203) located at the upper part.

3. A wall flatness measuring device according to claim 2, wherein: The light shield (2) is inclinedly arranged relative to the outer casing (1), the lower inclined plate (201) is close to the front side of the outer casing (1), the upper inclined plate (203) is away from the front side of the outer casing (1), the vertical plate (202) is parallel to the front side of the outer casing (1), and the vertical plate (202) faces the side notches (101).

4. The wall flatness measuring device of claim 2, wherein: The laser indicating piece (5) is provided with a rotating connection hole (501) in the middle part, one end is fixedly connected with a laser diode (502), and the other end is fixedly connected with an arc-shaped tooth plate (503), the rotating connection hole (501) is rotatingly matched and penetratingly arranged on the rotating shaft (107), the arc-shaped tooth plate (503) is concentric with the rotating connection hole (501), and the laser diode (502) is electrically connected with the battery arranged in the battery compartment (3) and the power switch (4).

5. A wall flatness measuring device according to claim 4, wherein: The upper part of the top pressure measuring block (7) is fixedly connected with a spring (701), the other end of the spring (701) is fixedly connected on the bottom surface of the measuring block notch (106), and is compressed between the top pressure measuring block (7) and the shell (1), the middle part of the top pressure measuring block (7) is provided with a sliding long hole (702), the limiting rod (6) passes through the sliding long hole (702), the lower surface of the top pressure measuring block (7) is a top pressure surface (704), the middle part of the side surface is provided with a rack (703), and the rack (703) and the arc-shaped toothed plate (503) are in tooth meshing cooperation.

6. A wall flatness measuring device according to claim 5, wherein: When the top pressure measuring block (7) is pressed back into the measuring block notch (106), the top pressure surface (704) is flush with the fitting measuring surface (105), and the light beam emitted by the laser diode (502) is perpendicular to the vertical plate (202).

Images