Flatness detection device for decoration engineering

By designing a flatness testing device that is easy to transport and carry, the problems of easy damage and measurement error of traditional measuring rulers have been solved, and efficient and accurate flatness measurement has been achieved.

CN223795968UActive Publication Date: 2026-01-13YUEBEI CONSTR ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520112651.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-01-13
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Traditional measuring rulers are easily damaged on construction sites, difficult to transport and carry, and the measurement results are easily affected by collisions and squeezing, resulting in inaccuracy.

Method used

A flatness detection device including a storage box, a lifting component, and an adjustment component was designed. The device is easy to transport with pulleys, and the lifting and adjustment components support the detection ruler to reduce hand fatigue and errors. The magnetic block fixes the detection ruler and provides additional lighting to improve measurement accuracy and portability.

Benefits of technology

It effectively reduces the damage and loss of measuring strips at the construction site, improves measurement accuracy and portability, and reduces measurement errors and the risk of damage during transportation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223795968U_ABST
    Figure CN223795968U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of decoration engineering, and particularly relates to a flatness detection device for decoration engineering, which comprises a storage box, a plurality of pulleys are fixedly connected to the side wall of the storage box, a groove is formed in the side wall of the storage box 1, a telescopic handle is rotatably connected to the middle of the groove, a storage groove is formed in the middle of the storage box, and the telescopic handle is rotatably connected to the middle of the storage groove. A box cover is rotatably connected to the top of the storage box, a lock catch is installed on the side, away from the box cover, of the side wall of the storage box, a sliding rail is installed at the bottom of the storage groove, a damping sliding block is slidably connected to the middle of the sliding rail, a lifting assembly is arranged in the middle of the damping sliding block, and an adjusting assembly is arranged in the middle of the lifting assembly. By means of the structure, the detection ruler strip can be rapidly stored after being used, the problem that the detection ruler strip is damaged or lost due to the fact that the detection ruler strip is randomly placed on a construction site is solved, and transportation and carrying can be facilitated by storing the detection ruler strip.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to decoration engineering technical field, specifically is a kind of flatness detection device for decoration engineering. BACKGROUND

[0002] Decoration mainly is to decorate and decorate inside or outside building, improve the durability and service life of building.

[0003] In the decoration process, the flatness of the decorated wall needs to be detected to ensure the quality of construction, usually a measuring ruler is used to detect the wall, the measuring ruler is placed on the measured wall, the horizontal and vertical state of the measuring ruler is maintained, and then the gap between the measuring ruler and the measured wall is measured using a tool to obtain accurate difference.

[0004] The environment of construction site is relatively complex in the measuring process of traditional measuring ruler, the measuring ruler is directly placed in the construction site when not in use, which is easy to cause collision and impact between external objects and the measuring ruler, causing damage to the measuring ruler, and when frequently going out to measure, it is not easy to transport and carry.

[0005] Therefore, the utility model provides a kind of flatness detection device for decoration engineering. UTILITY MODEL CONTENTS

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem in the background art is solved.

[0007] The utility model solves the technical problems and adopts the technical scheme: a kind of flatness detection device for decoration engineering, including storage box, the storage box side wall is fixed with a plurality of pulleys, the storage box side wall is equipped with recess, the recess middle part is rotatably connected with telescopic handle, the storage box middle part is equipped with storage groove, the storage box top is rotatably connected with box cover, the storage box side wall is installed with lock catch away from the side of box cover, the storage groove bottom is installed with slide rail, the slide rail middle part is slidably connected with damping slide block, the damping slide block middle part is equipped with lifting assembly, the lifting assembly middle part is equipped with adjusting assembly, the adjusting assembly middle part is equipped with detection ruler, by the above structure, detection ruler can be quickly stored after use, reduce the problem that detection ruler is randomly placed and damaged or lost in construction site, and detection ruler can be effectively supported by lifting assembly and adjusting assembly, reduce fatigue and error caused by hand holding, detection ruler can be conveniently transported and carried by being stored, reduce the operation and burden of frequently handling the whole, detection ruler can be stored to reduce the problem of damage caused by collision or extrusion during transportation or movement, reduce the problem of inaccurate measurement result caused by collision or extrusion due to long time use of detection ruler.

[0008] Preferably, the lifting assembly comprises two fixed boxes, one of the fixed boxes is rotationally connected at the top of the damping slider, two of the fixed boxes are rotationally connected, one of the fixed boxes is fixedly connected with a driver at the end, the driver is fixedly connected with a lead screw at the end, one of the fixed boxes is rotationally connected with a lead screw at the end, two of the lead screws are provided with a fixed assembly at the end, one of the lead screws is threadedly connected with a nut at the middle, the fixed box is provided with a through slot in the side wall, the nut is fixedly connected with a fixed rod at the middle, the fixed rod is slidingly connected in the through slot, the fixed rod is fixedly connected with a rotating block at the end, the rotating block is rotationally connected with a rotating rod at the middle, the rotating block is provided with a clamping slot in the middle, the rotating rod is fixedly connected with a plurality of clamping blocks at the middle, a plurality of the clamping blocks are arranged at the corresponding clamping slot positions, the height of the detection ruler is accurately adjusted through the cooperation of the lead screw and the nut, the detection ruler can be effectively brought into full contact with the measured surface, the measurement error in the measurement process is effectively reduced, the inconvenience caused by the positions that are difficult to directly measure is reduced, and the horizontal and vertical position measurement of the detection ruler can adapt to different measurement needs.

[0009] Preferably, the adjusting assembly comprises an adjusting block, the adjusting block is fixedly connected at the end of the rotating rod, the adjusting block is rotationally connected with a rotating plate at the middle, the rotating plate is slidingly connected with a plug rod in the side wall, the adjusting block is provided with a plurality of plug holes in the side wall, the plug rod is arranged in the middle of one of the plug holes at the end, the detection ruler is mounted at the end of the rotating plate at the middle, through the above structure, the detection ruler can be effectively adapted to the complex shape in different decoration work, the detection ruler can be effectively brought into full contact with the measured surface, the problem of measurement error caused by angle deviation can be reduced, the detection ruler can be quickly adjusted to the required measurement state, and the efficiency of the measurement work is effectively improved.

[0010] Preferably, the fixed assembly comprises a fixed slot, the fixed slot is arranged in one of the lead screws at the end, the other lead screw is fixedly connected with a fixed block at the end, the fixed slot and the fixed block are arranged correspondingly, through the above structure, the two lead screws can be firmly connected, the nut can be stably moved in the middle of the two lead screws during the detection process, the stability of the two lead screws during use can be maintained, and the two lead screws can be quickly separated when not in use, thereby effectively increasing the convenience in the measurement process.

[0011] Preferably, the detection ruler is provided with a first magnetic block and a second magnetic block fixed at two ends of the detection ruler, the first magnetic block and the second magnetic block are oppositely arranged, and the first magnetic block and the second magnetic block are attracted to each other when close to each other.

[0012] Preferably, the detection ruler is provided with a lamp groove in the middle portion, a lamp tube is arranged in the middle portion of the lamp groove, and a transparent plate is fixed to the middle portion of the detection ruler and arranged at the position corresponding to the lamp groove.

[0013] The utility model discloses the beneficial effects are as follows:

[0014] 1. The utility model relates to a flatness detection device for decoration engineering, which can quickly store the detection ruler after use, reduce damage or loss caused by random placement in the construction site, effectively support the detection ruler through the lifting assembly and the adjusting assembly, reduce fatigue and error caused by hand holding, facilitate transportation and carrying by storing the detection ruler, and reduce the operation and burden of frequent handling of the whole.

[0015] 2. The utility model relates to a flatness detection device for decoration engineering, which can accurately adjust the height of the detection ruler through the cooperation of the screw rod and the nut, effectively contact the detection ruler with the measured surface, effectively reduce the error in the measurement process, reduce the inconvenience caused by some positions that are difficult to measure directly, and adjust the horizontal and vertical position measurement of the detection ruler to adapt to different measurement requirements. DRAWINGS

[0016] The utility model will be further described below with reference to the drawings.

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the structure schematic view of the lifting assembly in the utility model;

[0019] Figure 3 It is the structure schematic view of the adjusting assembly in the utility model;

[0020] Figure 4 is the structure diagram of the fixing assembly in the utility model;

[0021] Figure 5 is the structure diagram of the storage box in the utility model.

[0022] In the drawing: 1, storage box; 10, pulley; 11, recess; 12, telescopic handle; 13, storage groove; 14, box cover; 15, lock catch; 16, slide rail; 17, damping slide block; 18, detection ruler; 2, lifting assembly; 21, fixed box; 22, driver; 23, screw rod; 24, through slot; 25, nut; 26, fixed rod; 27, rotating block; 28, rotating rod; 29, clamping block; 20, clamping groove; 3, adjusting assembly; 31, adjusting block; 32, rotating plate; 33, insertion rod; 34, insertion hole; 4, fixing assembly; 41, fixing groove; 42, fixed block; 5, first magnetic block; 51, second magnetic block; 6, lamp groove; 61, lamp tube; 62, transparent plate; 7, sponge block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] For example, Figures 1 to 5As shown, the utility model discloses a flatness detection device for decoration engineering, including receiving box 1, receiving box 1 side wall is fixedly connected with a plurality of pulleys 10, receiving box 1 side wall is seted with recess 11, the middle part of recess 11 is rotatably connected with telescopic handle 12, receiving box 1 middle part is seted with receiving groove 13, receiving box 1 top is rotatably connected with box cover 14, receiving box 1 side wall is installed with lock catch 15 on the side away from box cover 14, receiving groove 13 bottom is installed with slide rail 16, the middle part of slide rail 16 is slidably connected with damping slide block 17, the middle part of damping slide block 17 is equipped with lifting assembly 2, the middle part of lifting assembly 2 is equipped with adjusting assembly 3, the middle part of adjusting assembly 3 is equipped with detection ruler 18, when, in the wall flatness detection, first detection ruler 18 moves the position that needs detection, then detection ruler 18 is adjusted to the specified height through lifting assembly 2, detection ruler 18 is placed horizontally and is closely combined with wall, to measure the wall surface horizontal flatness, then detection ruler 18 is adjusted to perpendicular state and is closely combined with wall through lifting assembly 2, to measure the wall surface vertical flatness, when needing to measure obliquely, detection ruler 18 angle is adjusted through adjusting assembly 3, after measuring, detection ruler 18 is rotated and is adjusted to perpendicular state, detection ruler 18 is slid in the middle part of slide rail 16 through damping slide block 17 to receiving box 1 side, detection ruler 18 is stored in receiving box 1 through lifting assembly 2, then box cover 14 is closed, and box cover 14 is locked and fixed through lock catch 15, when detection ruler 18 is moved, telescopic handle 12 is rotated and stretched, and receiving box 1 is erected to make a plurality of pulleys 10 and ground close and move, to store detection ruler 18 and carry over, through the above structure, detection ruler 18 can be quickly stored after use, reduce the problem that detection ruler 18 is randomly placed and is damaged or lost in construction site, and detection ruler 18 can be effectively supported through lifting assembly 2 and adjusting assembly 3, reduce the fatigue and error of hand holding, through the storage of detection ruler 18, transportation and carrying are facilitated, the operation and burden of frequently handling the whole are reduced, the detection ruler 18 is stored, the problem of damage caused by collision or extrusion during transportation or movement is reduced, the problem of inaccurate measurement result caused by collision or extrusion during long time use of detection ruler 18 is reduced.

[0025] As Figures 1 to 4As shown, the lifting assembly 2 comprises two fixed boxes 21, one of which is rotatably connected at the top of the damping slide 17, and the two fixed boxes 21 are rotatably connected, one end of one of which is fixedly connected with the driver 22, the end of the driver 22 is fixedly connected with the lead screw 23, one end of the fixed box 21 is rotatably connected with the lead screw 23, both ends of the two lead screws 23 are provided with the fixed assembly 4, the middle of one of the lead screws 23 is threadedly connected with the nut 25, the side wall of the fixed box 21 is provided with a through slot 24, the middle of the nut 25 is fixedly connected with the fixed rod 26, the fixed rod 26 is slidingly connected in the middle of the through slot 24, the end of the fixed rod 26 is fixedly connected with the rotating block 27, the middle of the rotating block 27 is rotatably connected with the rotating rod 28, the middle of the rotating block 27 is provided with the clamping groove 20, the middle of the rotating rod 28 is fixedly connected with the plurality of clamping blocks 29, the plurality of clamping blocks 29 are arranged at the positions corresponding to the clamping grooves 20, and in working, when the detection ruler 18 is measured, first, the fixed box 21 connected with the damping slide 17 is rotated to be perpendicular, then the other fixed box 21 is rotated, the two lead screws 23 are connected and fixed through the fixed assembly 4, the driver 22 is controlled to drive the two lead screws 23 to rotate, and when the lead screw 23 rotates, the nut 25 moves up and down, and the fixed rod 26 slides in the middle of the through slot 24, so that the detection ruler 18 is unfolded and its height is adjusted for measurement, when the detection ruler 18 is switched between perpendicular and horizontal, the rotating rod 28 is rotated in the middle of the rotating block 27, the clamping blocks 29 are elastically extruded in the rotating process of the rotating rod 28, and enter the middle of the corresponding clamping groove 20, and the clamping blocks 29 are positioned, and through the above structure, the height of the detection ruler 18 is accurately adjusted through the cooperation of the lead screw 23 and the nut 25, which can effectively make the detection ruler 18 fully contact with the measured surface, effectively reduce the error generated in the measurement process, reduce the inconvenience generated in some positions difficult to directly measure, and adjust the horizontal and vertical positions of the detection ruler 18 to adapt to different measurement requirements.

[0026] As Figures 1 to 3As shown, the adjusting assembly 3 comprises an adjusting block 31 fixed at the end of the rotating rod 28, a rotating plate 32 rotatably connected in the middle of the adjusting block 31, a plug rod 33 slidably connected to the side wall of the rotating plate 32, and a plurality of plug holes 34 formed in the side wall of the adjusting block 31, the end of the plug rod 33 is arranged in the middle of one of the plug holes 34, and the middle of the detection ruler 18 is arranged at the end of the rotating plate 32. During work, when the detection ruler 18 needs to measure the slope, the plug rod 33 is pulled outward, the plug rod 33 slides in the middle of the rotating plate 32, the rotating plate 32 is rotated to a specified position, the plug rod 33 is pushed to the position of the adjusting block 31, the plug rod 33 enters the corresponding plug hole 34, the rotating plate 32 is fixed through the plug rod 33, so as to adjust the angle of the detection ruler 18. The above structure can effectively adapt to the complex shape in different decoration work, effectively make the detection ruler 18 fully contact with the measured surface, can reduce the measurement error caused by angle deviation, can quickly adjust the detection ruler 18 to the required measurement state, and effectively improve the efficiency of the measurement work.

[0027] As shown in Figure 4 The fixing assembly 4 comprises a fixing groove 41 formed in the end of one of the lead screws 23, and a fixing block 42 fixed to the end of the other lead screw 23. The fixing groove 41 and the fixing block 42 are arranged correspondingly. During work, when the lead screw 23 rotates through the fixing box 21, the fixing block 42 corresponds to the position of the fixing groove 41, and the ends of the two lead screws 23 are tightly attached under the rotating pressure. The fixing block 42 is elastically arranged. At this time, when the fixing block 42 enters the inside of the fixing groove 41, it produces elastic contraction. When the end of the fixing block 42 enters one end of the fixing groove 41, it is consistent in size and produces elastic reset. The two lead screws 23 are fixed by clamping the fixing block 42 in the middle of the fixing groove 41. When one of the lead screws 23 rotates, the other lead screw 23 rotates with it, so that the nut 25 moves in the middle of the two lead screws 23. When the two fixing boxes 21 are rotated, the fixing block 42 is separated from the middle of the fixing groove 41 under the tension, so as to quickly separate them. The above structure can firmly connect the two lead screws 23, can make the nut 25 stably move in the middle of the two lead screws 23 during detection, keep the stability of the two lead screws 23 during use, and quickly separate them when the lead screw 23 is not used, effectively increasing the convenience during measurement.

[0028] As shown in Figure 1 and Figure 2As shown, the first magnetic block 5 and the second magnetic block 51 are fixed at both ends of the detection ruler 18, and the first magnetic block 5 and the second magnetic block 51 are oppositely arranged, and the first magnetic block 5 and the second magnetic block 51 are attracted when close to each other. During the folding process of the detection ruler 18, the two ends of the detection ruler 18 are continuously close to each other, and the first magnetic block 5 and the second magnetic block 51 generate an attractive force when continuously close to each other. The first magnetic block 5 and the second magnetic block 51 are tightly fixed by the strong magnetic attractive force when close to each other. When using the detection ruler 18, the first magnetic block 5 and the second magnetic block 51 are separated by a certain pulling force. The cooperation of the first magnetic block 5 and the second magnetic block 51 can make the detection ruler 18 tightly fit after folding, and can fix the detection ruler 18 when folding, reduce the looseness or unfolding of the detection ruler 18 when folding and storing, and reduce the problem of damage caused by the collision between the detection ruler 18 and the inner side wall of the storage box 1 during movement due to looseness during storage. Effectively improve the stability and safety of the detection ruler 18 after storage.

[0029] As shown in Figure 1 and Figure 2 , the detection ruler 18 is provided with a lamp groove 6 in the middle, and a lamp tube 61 is installed in the middle of the lamp groove 6. The detection ruler 18 is fixedly connected with a transparent plate 62, and the transparent plate 62 is arranged at the position corresponding to the lamp groove 6. During operation, in the case of unclear vision, the lamp tube 61 can be turned on to illuminate the surrounding environment, and the transparent plate 62 can be used to protect the lamp tube 61 from direct contact with dust and impurities. The above structure can provide additional lighting when measuring in an environment with insufficient light, make the measurement area brighter, accurately observe the flatness of the measured surface, and reduce visual fatigue and judgment errors caused by insufficient light.

[0030] As shown in Figure 5 , the sponge block 7 is installed in the middle of the box cover 14, and the sponge block 7 is fixedly connected in the middle of the box cover 14. During operation, when the detection ruler 18 is stored in the storage box 1, the sponge block 7 is in close contact with the detection ruler 18 and other components in the storage box 1 during the closing process of the box cover 14. The gaps in the storage box 1 are filled by the sponge block 7. The sponge block 7 has good elasticity and buffering performance, which can effectively reduce the impact and extrusion of the box cover 14 on the detection ruler 18 and other components during closing, and can fill the gaps in the storage box 1, reducing the problem of wear and tear caused by the collision between the internal parts of the storage box 1.

[0031] In work, when the wall is detected, first, the detection ruler 18 is moved to the position to be detected, and then the detection ruler 18 is adjusted to the specified height by the lifting assembly 2, and the detection ruler 18 is placed horizontally and closely combined with the wall, so that the horizontal flatness of the wall is measured, and then the detection ruler 18 is adjusted to the vertical state by the lifting assembly 2 and closely combined with the wall, so that the vertical flatness of the wall is measured, when the inclination measurement is needed, the angle of the detection ruler 18 is adjusted by the adjusting assembly 3, after the measurement is completed, the detection ruler 18 is folded and adjusted to the vertical state, the detection ruler 18 is slid to the side of the storage box 1 in the middle of the slide rail 16 through the damping sliding block 17, the detection ruler 18 is stored in the storage box 1 through the lifting assembly 2, then the box cover 14 is closed, and the box cover 14 is locked and fixed through the lock buckle 15, when the detection ruler 18 is moved, the telescopic handle 12 is rotated and stretched, the storage box 1 is erected to make the plurality of pulleys 10 closely combined with the ground to move, so that the detection ruler 18 is stored and carried, when the detection ruler 18 is measured, first, the fixed box 21 connected with the damping sliding block 17 is rotated to the vertical position, then the other fixed box 21 is rotated, the two screw rods 23 are connected and fixed at the ends through the fixing assembly 4, and the control driver 22 drives the two screw rods 23 to rotate at the output end, when the screw rod 23 rotates, the nut 25 moves up and down, and the fixed rod 26 slides in the middle of the through slot 24, so that the detection ruler 18 is unfolded and the height thereof is adjusted for measurement, when the detection ruler 18 is switched between the vertical and horizontal states, the rotating rod 28 is rotated in the middle of the rotating block 27, the clamping block 29 is elastically extruded in the middle of the corresponding clamping groove 20 during the rotation of the rotating rod 28, and the clamping block 29 is positioned through the clamping block 29, when the detection ruler 18 needs to measure the inclined surface, the inserting rod 33 is pulled outward, the inserting rod 33 slides in the middle of the rotating plate 32, the rotating plate 32 is rotated to the specified position, the inserting rod 33 is pushed to the position of the adjusting block 31, the inserting rod 33 enters the corresponding insertion hole 34, the rotating plate 32 is fixed through the inserting rod 33, so that the angle of the detection ruler 18 is adjusted, when the screw rod 23 rotates through the fixed box 21, the fixed block 42 corresponds to the fixed groove 41, the two screw rods 23 are closely combined at the ends under the rotating pressure, the fixed block 42 is elastically arranged, at this time, the fixed block 42 is elastically contracted when entering the inside of the fixed groove 41, the fixed block 42 is consistent with the size of the fixed groove 41 at the end, and is elastically reset, the two screw rods 23 are fixed through the fixed block 42 clamped in the middle of the fixed groove 41, when one of the screw rods 23 rotates, the other screw rod 23 rotates, so that the nut 25 moves in the middle of the two screw rods 23, when the two fixed boxes 21 are rotated, the fixed block 42 is separated from the middle of the fixed groove 41 under the tension, so that the two are quickly separated, in the folding process of the detection ruler 18, the two ends of the detection ruler 18 continuously approach, the first magnetic block 5 and the second magnetic block 51 generate an attractive force when continuously approaching,When the first magnetic block 5 and the second magnetic block 51 are close to each other by strong magnetic attraction, they are fixed in close contact, when the detection ruler 18 is used, the first magnetic block 5 and the second magnetic block 51 are separated by a certain pulling force, in the case of unclear vision, the lamp tube 61 can be turned on to illuminate the surrounding environment, and the lamp tube 61 is protected by the transparent plate 62, dust and impurities are prevented from directly contacting the lamp tube 61, when the detection ruler 18 is stored in the storage box 1, the sponge block 7 is in close contact with the detection ruler 18 and other components in the storage box 1 during the process of closing the box cover 14, and the gap in the storage box 1 is filled by the sponge block 7.

[0032] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flatness detection device for a finishing work, comprising a housing box (1), characterized in that: The storage box (1) side wall is fixed with a plurality of pulleys (10), the storage box (1) side wall is provided with a recess (11), the middle part of the recess (11) is rotatably connected with a telescopic handle (12), the middle part of the storage box (1) is provided with a storage slot (13), the top of the storage box (1) is rotatably connected with a box cover (14), the side wall of the storage box (1) is away from the side of the box cover (14) and is provided with a lock catch (15), the bottom of the storage slot (13) is provided with a sliding rail (16), the middle part of the sliding rail (16) is slidably connected with a damping block (17), the middle part of the damping block (17) is provided with a lifting assembly (2), the middle part of the lifting assembly (2) is provided with an adjusting assembly (3), and the middle part of the adjusting assembly (3) is provided with a detection ruler (18).

2. The flatness detection device for decoration work according to claim 1, characterized in that: The lifting assembly (2) comprises two fixed boxes (21), one of the fixed boxes (21) is rotatably connected to the top of the damping block (17), and the two fixed boxes (21) are rotatably connected. One end of one of the fixed boxes (21) is fixedly connected with a driver (22), one end of the driver (22) is fixedly connected with a lead screw (23), one end of one of the fixed boxes (21) is rotatably connected with the lead screw (23), both ends of the lead screw (23) are provided with a fixed assembly (4), one end of the lead screw (23) is threadedly connected with a nut (25), the side wall of the fixed box (21) is provided with a through groove (24), the middle part of the nut (25) is fixedly connected with a fixed rod (26), the fixed rod (26) is slidably connected in the middle part of the through groove (24), one end of the fixed rod (26) is fixedly connected with a rotating block (27), the middle part of the rotating block (27) is rotatably connected with a rotating rod (28), the middle part of the rotating block (27) is provided with a clamping groove (20), and the middle part of the rotating rod (28) is fixedly connected with a plurality of clamping blocks (29). A plurality of clamping blocks (29) are arranged at the positions corresponding to the clamping grooves (20).

3. The flatness detection device for decoration engineering according to claim 1, characterized in that: The adjusting assembly (3) comprises an adjusting block (31), the adjusting block (31) is fixedly connected to the end of the rotating rod (28), the middle part of the adjusting block (31) is rotatably connected with a rotating plate (32), the side wall of the rotating plate (32) is slidably connected with a plug rod (33), the side wall of the adjusting block (31) is provided with a plurality of plug holes (34), the end of the plug rod (33) is arranged in the middle of one of the plug holes (34), and the middle part of the detection ruler (18) is arranged at the end of the rotating plate (32).

4. The flatness detection device for decoration work according to claim 2, characterized in that: The fixed assembly (4) comprises a fixed groove (41), the fixed groove (41) is arranged at one end of the lead screw (23), the other end of the lead screw (23) is fixedly connected with a fixed block (42), and the fixed groove (41) is arranged correspondingly with the fixed block (42).

5. The flatness detection device for decoration work according to claim 1, characterized in that: The detection ruler (18) is fixedly connected with a first magnetic block (5) and a second magnetic block (51) at both ends, the first magnetic block (5) and the second magnetic block (51) are oppositely arranged, and the first magnetic block (5) and the second magnetic block (51) are attracted to each other when they are close.

6. The flatness detection device for decoration work according to claim 1, characterized in that: The detection ruler (18) is provided with a lamp groove (6) in the middle part, a lamp tube (61) is installed in the middle part of the lamp groove (6), and a transparent plate (62) is fixedly connected to the middle part of the detection ruler (18).

7. The flatness detection device for decoration work according to claim 1, characterized in that: The box cover (14) is provided with a sponge block (7) in the middle part, and the sponge block (7) is fixedly connected to the middle part of the box cover (14).