High-applicability retroreflection mark measuring instrument
By designing a drop-proof device in the retroreflective mark measuring instrument, the combination of rope and snap ring is used to solve the problem of falling and damage of the body during use, improving the safety of use and achieving rapid storage of ropes.
Patent Information
- Application Number
- CN202421966602.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-08-14
AI Technical Summary
During use, the existing retroreflective mark measuring instrument is prone to falling off due to hand slipping, causing damage, and affecting normal use.
A highly applicable retroreflective mark measuring instrument is designed, and an anti-drop-proof device is adopted, including a cylinder, a circular shaft, a coil spring, a rope and a snap ring. Through the cooperation of the rope and a snap ring, the body is intercepted and dragged when falling, reducing the risk of falling damage.
It effectively reduces accidental drop and damage of the body during use, improves the safety of use, and uses the coiled spring to drive the rope to retract, achieving rapid storage of the rope.
Smart Images

Figure CN223051162U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of measuring instruments, in particular to a retroreflective sign measuring instrument with high applicability. Background Technique
[0002] A retroreflective sign measuring instrument is an instrument used to measure the performance of reflective film on traffic signs on site. It is widely used in the detection of the reflective performance of reflective signs on the bodies of trucks and other motor vehicles, and can also be used for the detection of reflective materials such as traffic safety management and highway, railway, and aviation warning signs and reflective films. A retroreflective sign measuring instrument is a special instrument used to measure the retroreflective coefficient of traffic sign materials.
[0003] In the process of using the existing retroreflective sign measuring instrument, the body is mostly held by hand, and then the body is moved to a position close to the highway sign. Subsequently, under the illumination condition, the sensor on the body receives the light reflected by the sign to measure its retroreflective coefficient. However, when a person holds the body by hand and moves to measure, the phenomenon of hand slipping may occur, resulting in the body falling off the hand and colliding with the ground, causing damage to the body and affecting normal use. Content of the Utility Model
[0004] The purpose of the utility model is to solve the defects existing in the prior art, and a retroreflective sign measuring instrument with high applicability is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a retroreflective sign measuring instrument with high applicability, including a body. A display screen is arranged on one side of the body, a sensor is arranged on one side of the body, a grip is arranged on one side of the body, a control button is arranged on one side of the grip, an anti-falling device is arranged on one side of the body, and an auxiliary device is arranged on one side of the grip. The anti-falling device includes a cylinder, the cylinder is fixedly connected to one side of the body close to the grip, a round shaft is rotatably connected to the inner wall of the cylinder, a coil spring is sleeved on the surface of the round shaft, one end of the coil spring is fixedly connected to the round shaft, the other end of the coil spring is fixedly connected to the cylinder, a rectangular hole is formed in one side of the cylinder, a rope is fixedly connected to the surface of the round shaft, the rope is wound around the surface of the round shaft, the rope is located inside the rectangular hole, and the other end of the rope is fixedly connected to a snap ring.
[0006] The effect achieved by the above components is as follows: by setting the anti-drop device, first the clamping ring is manually moved so that the clamping ring drives the rope to move, so that the rope drives the round shaft to rotate during the releasing process, and when the clamping ring moves to the position of being sleeved on the wrist of the person, the wrist of the person is connected to the machine body through the clamping ring and the rope, and when the machine body accidentally falls during use, the wrist limits the clamping ring, so that the clamping ring cooperates with the rope, the round shaft and the cylinder to drag the machine body, so that the machine body is intercepted in the process of falling, and at the same time, driven by the reaction force of the winding spring, the winding spring drives the round shaft to rotate to reel in the released rope, which is convenient for quickly collecting the released rope, reduces the accidental falling of the machine body during use, causes the machine body to collide with the ground and be damaged, affects the normal use of the machine body, and improves the safety of the machine body.
[0007] Preferably, a sponge pad is fixedly connected to the inner wall of the clamping ring, and the surface of the sponge pad is higher than the inner wall of the clamping ring.
[0008] The effect achieved by the above components is: by arranging the sponge pad, the sponge pad can block the buckle from the watch surface, thereby reducing the wear on the wrist caused by the buckle on the wrist.
[0009] Preferably, a reinforcement block is fixedly connected to one side of the rope close to the clamp, and the reinforcement block is fixedly connected to the clamp.
[0010] The effect achieved by the above components is: by setting the reinforcement block, the reinforcement block can reinforce the connection between the rope and the clasp, thereby reducing the situation where the clasp is separated from the rope when subjected to force.
[0011] Preferably, one end of the circular shaft away from the coil spring is fixedly connected to a bearing, and an outer ring of the bearing is fixedly connected to the inner wall of the cylinder.
[0012] The effect achieved by the above components is: by setting the bearing, the bearing can assist in limiting the end of the round shaft away from the coil spring, reducing the shaking of the round shaft away from the coil spring during use, and at the same time improving the rotation efficiency between the round shaft and the inner wall of the cylinder.
[0013] Preferably, two limiting plates are symmetrically fixedly connected to one side of the circular shaft close to the rope, and the rope is located between the two limiting plates.
[0014] The effect achieved by the above components is: by setting the limit plates, the two limit plates can intercept and limit the rope during the winding process, thereby reducing the situation where the rope tilts or fails to wind up during the winding process.
[0015] Preferably, the auxiliary device includes a screw rod, the surface of the screw rod is threadedly connected to the inner wall of the grip, one end of the screw rod is fixedly connected to a turning block, the surface of the turning block is fixedly connected to a handrail, a chute is opened on one side of the handrail, and an electric telescopic rod is arranged inside the handrail. The surface of the electric telescopic rod is slidably connected to the inner wall of the chute.
[0016] The effects achieved by the above components are as follows: By setting the auxiliary device, first manually rotate the turning block, so that the turning block drives the screw rod to rotate, and the screw rod moves up and down along the inside of the grip, so that the turning block drives the handrail and the electric telescopic rod to rotate. When the screw rod rotates to an appropriate height position, the extension of the grip length is completed. At the same time, when the screw rod rotates to a specified position, the electric telescopic rod rotates to a position corresponding to the control button. At this time, start the electric telescopic rod, so that the electric telescopic rod moves to a position with the same height as the control button. At this time, manually move the handrail, so that the handrail moves the grip and the body through cooperation with the screw rod. When the body moves to a position close to the highway sign, then manually move the electric telescopic rod under sufficient light conditions, so that the electric telescopic rod moves along the inside of the chute towards the direction close to the body. When the electric telescopic rod moves to the position of squeezing the control button, the control button is pressed and the sensor on the body is started, so that the sensor receives the light reflected by the sign and measures its retroreflective coefficient by detecting the reflected light.
[0017] Preferably, a top block is fixedly connected to the moving end of the electric telescopic rod, and the surface of the top block is rectangular.
[0018] The effects achieved by the above components are as follows: By setting the top block, the top block can assist the electric telescopic rod to squeeze the control button, improving the start-stop effect of manually moving the electric telescopic rod on the control button by personnel.
[0019] Preferably, a plurality of anti-slip strips are fixedly connected to the surface of the turning block, and the plurality of anti-slip strips are arranged at equal distances.
[0020] The effects achieved by the above components are as follows: By setting the anti-slip strips, the anti-slip strips can increase the friction between the hand and the turning block, reducing the situation of hand slipping when manually rotating the turning block.
[0021] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:
[0022] In the present utility model, by setting the anti-falling device, the accidentally fallen body can be intercepted, reducing the situation that the body accidentally falls during use, causing the body to collide with the ground and be damaged, affecting the normal use of the body, and improving the use safety of the body. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1Schematic three-dimensional structure diagram of the present utility model;
[0024] Figure 2 Schematic partial structure diagram of the cylinder of the present utility model;
[0025] Figure 3 Partial cross-sectional view of the cylinder of the present utility model;
[0026] Figure 4 Schematic partial structure diagram of the armrest of the present utility model.
[0027] Legend: 1, body; 2, display screen; 3, sensor; 4, grip; 5, control button; 6, anti-drop device; 61, cylinder; 62, round shaft; 63, coil spring; 64, rectangular hole; 65, rope; 66, snap ring; 67, sponge pad; 68, reinforcement block; 69, limit plate; 610, bearing; 7, auxiliary device; 71, screw; 72, screwing block; 73, armrest; 74, chute; 75, electric telescopic rod; 76, top block; 77, anti-slip strip. Detailed implementation manners
[0028] Refer to Figures 1 - 3As shown, this embodiment discloses a highly applicable retroreflective mark measuring instrument, including a body 1, a display screen 2 is arranged on one side of the body 1, a sensor 3 is arranged on one side of the body 1, a handle 4 is arranged on one side of the body 1, a control button 5 is arranged on one side of the handle 4, an anti-drop device 6 is arranged on one side of the body 1, and an auxiliary device 7 is arranged on one side of the handle 4. The anti-drop device 6 includes a cylinder 61, and the cylinder 61 is fixedly connected to a side of the body 1 close to the handle 4. A circular shaft 62 is rotatably connected to the inner wall of the cylinder 61, and a coil spring 63 is sleeved on the surface of the circular shaft 62. One end of the coil spring 63 is fixedly connected to the circular shaft 62, and the other end of the coil spring 63 is fixedly connected to the cylinder 61. A rectangular hole 64 is opened on one side of the cylinder 61, and a rope 65 is fixedly connected to the surface of the circular shaft 62. The rope 65 is wound around the surface of the circular shaft 62, and the rope 65 is located inside the rectangular hole 64. The other end of the rope 65 is fixedly connected to a clamp ring 66, through The anti-drop device 6 is provided. First, the buckle 66 is manually moved so that the buckle 66 drives the rope 65 to move, so that the rope 65 drives the round shaft 62 to rotate during the releasing process. When the buckle 66 moves to the position of being sleeved on the wrist of the person, the wrist of the person is connected to the machine body 1 through the buckle 66 and the rope 65. When the machine body 1 accidentally falls during use, the wrist limits the buckle 66, so that the buckle 66 cooperates with the rope 65, the round shaft 62 and the cylinder 61 to drag the machine body 1, so that the machine body 1 is intercepted during the falling process. At the same time, driven by the reaction force of the winding spring 63, the winding spring 63 drives the round shaft 62 to rotate to reel in the released rope 65, so as to facilitate the quick collection of the released rope 65, reduce the accidental falling of the machine body 1 during use, cause the machine body 1 to collide with the ground and be damaged, affect the normal use of the machine body 1, and improve the safety of the use of the machine body 1.
[0029] Reference Figure 2 and Figure 3 As shown, this embodiment discloses that the inner wall of the snap ring 66 is fixedly connected with a sponge pad 67, and the surface of the sponge pad 67 is higher than the inner wall of the snap ring 66. By providing the sponge pad 67, the sponge pad 67 can block the snap ring 66 from the watch surface, thereby reducing the wear and tear on the wrist caused by the snap ring 66 when it is put on the wrist. A reinforcement block 68 is fixedly connected to the side of the rope 65 close to the snap ring 66, and the reinforcement block 68 is fixedly connected to the snap ring 66. By providing the reinforcement block 68, the reinforcement block 68 can reinforce the connection between the rope 65 and the snap ring 66, thereby reducing the separation of the snap ring 66 from the rope 65 when subjected to force.
[0030] Reference Figure 2 and Figure 3As shown in the figure, in this embodiment, it is disclosed that one end of the circular shaft 62 far from the coil spring 63 is fixedly connected with a bearing 610, and the outer ring of the bearing 610 is fixedly connected with the inner wall of the cylinder 61. By setting the bearing 610, the bearing 610 can assist in limiting one end of the circular shaft 62 far from the coil spring 63, reducing the shaking of the circular shaft 62 on the side far from the coil spring 63 during use, and at the same time improving the rotation efficiency between the circular shaft 62 and the inner wall of the cylinder 61. On the side of the circular shaft 62 close to the rope 65, two limiting plates 69 are symmetrically and fixedly connected. The rope 65 is located between the two limiting plates 69. By setting the limiting plates 69, the two limiting plates 69 can intercept and limit the rope 65 during the winding process, reducing the situation of the rope 65 tilting or winding failure during the winding process.
[0031] Referring to Figure 4 As shown in the figure, in this embodiment, it is disclosed that the auxiliary device 7 includes a screw rod 71, the surface of the screw rod 71 is threadedly connected with the inner wall of the handle 4, one end of the screw rod 71 is fixedly connected with a screwing block 72, the surface of the screwing block 72 is fixedly connected with a handrail 73, a chute 74 is opened on one side of the handrail 73, and an electric telescopic rod 75 is arranged inside the handrail 73. The surface of the electric telescopic rod 75 is slidably connected with the inner wall of the chute 74. By setting the auxiliary device 7, first manually rotate the screwing block 72, so that the screwing block 72 drives the screw rod 71 to rotate, so that the screw rod 71 moves up and down along the inside of the handle 4, so that the screwing block 72 drives the handrail 73 and the electric telescopic rod 75 to rotate. When the screw rod 71 rotates to an appropriate height position, the extension of the length of the handle 4 is completed. At the same time, when the screw rod 71 rotates to a specified position, the electric telescopic rod 75 rotates to a position corresponding to the control button 5. At this time, start the electric telescopic rod 75, so that the electric telescopic rod 75 moves to a position with the same height as the control button 5. At this time, manually move the handrail 73, so that the handrail 73 moves the handle 4 and the body 1 by cooperating with the screw rod 71. When the body 1 moves to a position close to the highway sign, then manually move the electric telescopic rod 75 under sufficient light conditions, so that the electric telescopic rod 75 moves along the inside of the chute 74 in the direction close to the body 1. When the electric telescopic rod 75 moves to the position of pressing the control button 5, the control button 5 is pressed and the sensor 3 on the body 1 is started, so that the sensor 3 receives the light reflected by the sign and measures its retroreflective coefficient by detecting the reflected light.
[0032] Referring to Figure 4As shown in the figure, in this embodiment, a top block 76 is fixedly connected to the mobile end of the electric telescopic rod 75. The surface of the top block 76 is rectangular. By providing the top block 76, the top block 76 can assist the electric telescopic rod 75 in squeezing the control button 5, improving the start-stop effect of manually moving the electric telescopic rod 75 to operate the control button 5. A plurality of anti-slip strips 77 are fixedly connected to the surface of the screw block 72, and the plurality of anti-slip strips 77 are arranged at equal distances. By providing the anti-slip strips 77, the anti-slip strips 77 can increase the friction between the hand and the screw block 72, reducing the situation of hand slipping when manually rotating the screw block 72.
[0033] Working principle: First, manually rotate the screw block 72, so that the screw block 72 drives the screw rod 71 to rotate, causing the screw rod 71 to move up and down inside the handle 4, so that the screw block 72 drives the armrest 73 and the electric telescopic rod 75 to rotate. When the screw rod 71 rotates to an appropriate height position, the extension of the length of the handle 4 is completed. At the same time, when the screw rod 71 rotates to a specified position, the electric telescopic rod 75 rotates to a position corresponding to the control button 5. At this time, start the electric telescopic rod 75, so that the electric telescopic rod 75 moves to a position where the height is equal to that of the control button 5. Then manually move the armrest 73, so that the armrest 73 moves the handle 4 and the body 1 by cooperating with the screw rod 71. When the body 1 moves to a position close to the highway sign, then manually move the electric telescopic rod 75 under sufficient light conditions, so that the electric telescopic rod 75 moves inside the chute 74 in the direction close to the body 1. When the electric telescopic rod 75 moves to the position where it squeezes the control button 5, the control button 5 is pressed and the sensor 3 on the body 1 is started, so that the sensor 3 receives the light reflected by the sign and measures the retroreflective coefficient by detecting the reflected light, thereby obtaining the retroreflective data of the sign.
[0034] First, manually move the snap ring 66, so that the snap ring 66 drives the rope 65 to move, and the rope 65 drives the round shaft 62 to rotate during the process of being released. When the snap ring 66 moves to the position of being sleeved on the person's wrist, the person's wrist is connected to the body 1 through the snap ring 66 and the rope 65. When the body 1 accidentally drops during use, the wrist limits the snap ring 66, so that the snap ring 66 cooperates with the rope 65, the round shaft 62 and the cylinder 61 to tow the body 1, so that the body 1 is intercepted during the falling process, thus completing the anti-drop treatment of the body 1. At the same time, under the reaction force of the torsion spring 63, the torsion spring 63 drives the round shaft 62 to rotate to wind up the released rope 65, facilitating the rapid storage of the released rope 65.
[0035] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present utility model, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model still fall within the protection scope of the technical solution of the present utility model. In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.
Claims
1. A highly applicable retroreflective mark measuring instrument, comprising a body (1), characterized in that: A display screen (2) is provided on one side of the body (1), a sensor (3) is provided on one side of the body (1), a handle (4) is provided on one side of the body (1), a control button (5) is provided on one side of the handle (4), an anti-drop device (6) is provided on one side of the body (1), an auxiliary device (7) is provided on one side of the handle (4), the anti-drop device (6) comprises a cylinder (61), the cylinder (61) is fixedly connected to a side of the body (1) close to the handle (4), and the inner wall of the cylinder (61) is rotatably connected to the inner wall of the cylinder (61). A circular shaft (62) is provided, and a coil spring (63) is sleeved on the surface of the circular shaft (62). One end of the coil spring (63) is fixedly connected to the circular shaft (62), and the other end of the coil spring (63) is fixedly connected to a cylinder (61). A rectangular hole (64) is opened on one side of the cylinder (61). A rope (65) is fixedly connected to the surface of the circular shaft (62). The rope (65) is wound around the surface of the circular shaft (62), and the rope (65) is located inside the rectangular hole (64). The other end of the rope (65) is fixedly connected to a clamping ring (66).
2. A highly applicable retroreflective mark measuring instrument according to claim 1, characterized in that: A sponge pad (67) is fixedly connected to the inner wall of the clamping ring (66), and the surface of the sponge pad (67) is higher than the inner wall of the clamping ring (66).
3. The highly applicable retroreflective mark measuring instrument according to claim 1, characterized in that: A reinforcing block (68) is fixedly connected to one side of the rope (65) close to the clamp (66), and the reinforcing block (68) is fixedly connected to the clamp (66).
4. The highly applicable retroreflective mark measuring instrument according to claim 1, characterized in that: One end of the circular shaft (62) away from the coil spring (63) is fixedly connected to a bearing (610), and an outer ring of the bearing (610) is fixedly connected to the inner wall of the cylinder (61).
5. The highly applicable retroreflective mark measuring instrument according to claim 1, characterized in that: Two limiting plates (69) are symmetrically fixedly connected to one side of the circular shaft (62) close to the rope (65), and the rope (65) is located between the two limiting plates (69).
6. A highly applicable retroreflective mark measuring instrument according to claim 1, characterized in that: The auxiliary device (7) comprises a screw rod (71), the surface of the screw rod (71) being threadedly connected to the inner wall of the handle (4), one end of the screw rod (71) being fixedly connected to a screw block (72), the surface of the screw block (72) being fixedly connected to an armrest (73), a slide groove (74) being provided on one side of the armrest (73), an electric telescopic rod (75) being provided inside the armrest (73), the surface of the electric telescopic rod (75) being slidably connected to the inner wall of the slide groove (74).
7. A highly applicable retroreflective mark measuring instrument according to claim 6, characterized in that: The movable end of the electric telescopic rod (75) is fixedly connected to a top block (76), and the surface of the top block (76) is rectangular.
8. The highly applicable retroreflective mark measuring instrument according to claim 6, characterized in that: A plurality of anti-slip strips (77) are fixedly connected to the surface of the twist block (72), and the plurality of anti-slip strips (77) are arranged at equal distances.