A new type of foldable distance measuring wheel

Abstract

The utility model discloses a novel foldable distance measuring wheel, comprising a distance measuring wheel, a hand piece and a counter, wherein the rotating shaft of the distance measuring wheel is connected and fixed to the counter, the hand piece comprises a sliding frame bar, the sliding frame bar is vertically fixed on the side end surface of the counter, and a lifting plate is horizontally arranged on the side of the sliding frame bar close to the distance measuring wheel, a slider is fixed on one end of the lifting plate, and the slider is vertically slidably installed in the sliding groove of the sliding frame bar, a scraper is vertically fixed on the bottom surface of the slider away from one end of the sliding frame bar, a screw hole plate is horizontally fixed on the top of the sliding frame bar, and an adjusting screw rod is installed through the vertical thread on the screw hole plate, the bottom end of the adjusting screw rod is rotatably connected to the lifting plate, a rotating drum is vertically fixed on the top surface of the sliding frame bar, and a screw drum is vertically arranged on the rotating drum. The utility model overcomes the problem that the soil on the existing wheel body cannot be removed in time during rolling, which will cause the distance measuring wheel to jump during rolling, thereby causing the moving path to deflect, resulting in poor stability and accuracy of distance measurement.

Description

Technical Field

[0001] The utility model relates to the technical field of distance measuring wheels, in particular to a novel foldable distance measuring wheel. Background Art

[0002] The measuring wheel is also called mechanical measuring vehicle, digital measuring wheel and measuring wheel. It is widely used in professional surveying and mapping operations, measurement and evaluation of road engineering, pipeline laying engineering, wire and cable engineering and other construction operations.

[0003] The existing announcement number is CN202710017U, and the name is a field distance measuring wheel, which includes a measuring wheel, a counting gear fixed to the axis of the measuring wheel, a counter and a handle connected to the rotating shaft of the measuring wheel. In addition, the counter is installed on the handle, the input end of the counter is connected to the transmission shaft, and a transmission gear is fixed to the other end of the transmission shaft. The transmission gear is meshed with the counting gear. The counter is installed on the handle, which increases the height of the counter compared with before. When performing field distance measurement operations, it is not affected by weeds and reading is convenient.

[0004] However, when the distance measuring wheel is rolled, mud will adhere to the wheel surface. The mud on the wheel body cannot be removed in time during rolling, which will cause the distance measuring wheel to jump during rolling, thereby deflecting the moving path, resulting in poor stability and accuracy of distance measurement. Utility Model Content

[0005] The utility model aims to provide a novel foldable distance measuring wheel, aiming to improve the above-mentioned problems.

[0006] The utility model is achieved in this way:

[0007] A novel foldable distance measuring wheel comprises a distance measuring wheel, a hand piece and a counter, wherein the rotating shaft of the distance measuring wheel is connected and fixed to the counter, the hand piece comprises a sliding frame bar, the sliding frame bar is vertically fixed on the side end surface of the counter, and a lifting plate is horizontally arranged on the side of the sliding frame bar close to the distance measuring wheel, a sliding block is fixed at one end of the lifting plate, and the sliding block is vertically slidably installed in a sliding groove of the sliding frame bar, a scraper is vertically fixed on the bottom surface of the sliding block away from one end of the sliding frame bar, a screw hole plate is horizontally fixed on the top of the sliding frame bar, and an adjusting screw is installed through a vertical thread on the screw hole plate, the bottom end of the adjusting screw is rotatably connected to the lifting plate, a rotating cylinder is vertically fixed on the top surface of the sliding frame bar, and a screw cylinder is vertically arranged on the rotating cylinder.

[0008] Furthermore, a screw rod is threadedly assembled in the screw barrel, and a rotating rod plate is fixed to the bottom end of the screw rod.

[0009] Furthermore, a rotating shaft is horizontally fixed on the rotating rod plate, and a positioning hole is opened at the bottom end of the rotating rod plate.

[0010] Furthermore, a perforated plate is horizontally fixed on the side end surface of the rotating drum, and a positioning rod is vertically slidably inserted through the perforated plate.

[0011] Furthermore, a spring is vertically sleeved outside the positioning rod, and two ends of the spring are respectively fixed to the bottom end of the positioning rod and the bottom surface of the orifice plate.

[0012] Furthermore, the top end of the positioning rod is inserted into the positioning hole of the rotating rod plate.

[0013] Furthermore, a handle is vertically fixed on the top of the screw barrel.

[0014] Compared with the prior art, the utility model has the following beneficial effects: when the distance measuring wheel is used, the mud adhered to the wheel surface of the distance measuring wheel is removed by rotating the adjusting screw on the screw hole plate, and the sliding block at the bottom end of the lifting plate is pushed vertically downward to slide in the sliding frame bar, driving the scraper on the bottom surface of the lifting plate to approach the wheel surface of the distance measuring wheel, and the mud on the wheel surface of the distance measuring wheel is scraped off, so that the mud on the wheel body can be removed in time when rolling, avoiding the problem that the distance measuring wheel jumps during rolling, thereby avoiding the deflection of the moving path, resulting in poor stability and accuracy of the distance measurement, and improving the stability and accuracy of the distance measurement of the distance measuring wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the distance measuring wheel in the disassembled state in the embodiment of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the handpiece in the embodiment of the utility model in the disassembled state;

[0020] Figure 5 It is a schematic diagram of the structure of the screw barrel in the decomposed state in the embodiment of the utility model.

[0021] In the figure: 1. distance measuring wheel; 2. hand piece; 21. sliding frame bar; 22. lifting plate; 221. sliding block; 23. scraper; 24. screw hole plate; 25. adjusting screw; 26. rotating cylinder; 261. hole plate; 262. positioning rod; 263. spring; 27. screw cylinder; 271. handle; 28. screw; 29. ​​rotating rod plate; 291. positioning hole; 3. counter. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, a novel foldable distance measuring wheel comprises a distance measuring wheel 1, a hand piece 2 and a counter 3, the rotating shaft of the distance measuring wheel 1 is connected and fixed to the counter 3, the hand piece 2 comprises a sliding frame bar 21, the sliding frame bar 21 is vertically fixed on the side end surface of the counter 3, and a lifting plate 22 is horizontally arranged on the side of the sliding frame bar 21 close to the distance measuring wheel 1, a slider 221 is fixed at one end of the lifting plate 22, and the slider 221 is vertically slidably installed in the sliding groove of the sliding frame bar 21, a scraper 23 is vertically fixed on the bottom surface of the slider 221 away from one end of the sliding frame bar 21, a screw hole plate 24 is horizontally fixed on the top of the sliding frame bar 21, and an adjusting screw 25 is installed through the vertical thread on the screw hole plate 24, and the bottom end of the adjusting screw 25 is rotatably connected to On the lifting plate 22, a rotating drum 26 is vertically fixed on the top surface of the sliding frame bar 21, and a screw drum 27 is vertically arranged on the rotating drum 26. When the measuring wheel 1 is used, the soil adhered to the wheel surface of the measuring wheel 1 is adjusted by rotating the adjusting screw 25 on the screw hole plate 24, and the slider 221 at the bottom end of the lifting plate 22 is vertically pushed downward to slide in the sliding frame bar 21, so as to drive the scraper 23 on the bottom surface of the lifting plate 22 to approach the wheel surface of the measuring wheel 1, and scrape the soil on the wheel surface of the measuring wheel 1, so that the soil on the wheel body can be removed in time when rolling, so as to avoid the jumping of the measuring wheel during rolling, thereby avoiding the deflection of the moving path, resulting in poor stability and accuracy of the distance measurement, and improving the stability and accuracy of the distance measurement of the measuring wheel.

[0024] See also Figure 4 and Figure 5 The screw barrel 27 is threadedly assembled with a screw rod 28, and a rotating rod plate 29 is fixed to the bottom end of the screw rod 28. A handle 271 is vertically fixed to the top of the screw barrel 27. A rotating shaft is horizontally fixed to the rotating rod plate 29, and a positioning hole 291 is opened at the bottom end of the rotating rod plate 29. A hole plate 261 is horizontally fixed to the side end surface of the rotating barrel 26, and a positioning rod 262 is vertically slidably inserted through the hole plate 261. A spring 263 is vertically sleeved on the outside of the positioning rod 262, and the two ends of the spring 263 are respectively fixed to the positioning rod 262. The top end of the positioning rod 262 is inserted into the positioning hole 291 of the rotating rod plate 29 at the bottom end and the bottom surface of the orifice plate 261. During use, the rotating barrel 27 rotates in the screw 28 to vertically adjust the support height of the screw barrel 27. Then, when folding the screw barrel 27 in the later stage, the positioning rod 262 is pulled to slide vertically down on the orifice plate 261, the squeezing spring 263 is deformed, and the rotating rod plate 29 at the bottom end of the rotating screw 28 is deflected downward on the rotating barrel 26 to fold the handpiece 2, thereby reducing the space occupied by the distance measuring wheel 1 when being handheld and carried, and improving the convenience of carrying.

[0025] Working principle: When using the measuring wheel 1, the soil adhered to the wheel surface of the measuring wheel 1 is removed by rotating the adjusting screw 25 on the screw hole plate 24, and the slider 221 at the bottom of the lifting plate 22 is pushed vertically downward to slide in the sliding frame bar 21, driving the scraper 23 on the bottom of the lifting plate 22 to approach the wheel surface of the measuring wheel 1, and the soil on the wheel surface of the measuring wheel 1 is scraped off. The rotating cylinder 27 rotates in the screw 28, and the support height of the screw cylinder 27 is vertically adjusted. When the screw cylinder 27 is folded later, the positioning rod 262 is pulled to slide vertically down on the hole plate 261, and the squeezing spring 263 is deformed. The rotating rod plate 29 at the bottom of the rotating screw 28 is deflected downward on the rotating cylinder 26, and the handpiece 2 is folded to reduce the space occupied by the handheld carrying of the measuring wheel 1.

[0026] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. 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 new type of foldable distance measuring wheel, characterized in that: The invention comprises a distance measuring wheel (1), a hand piece (2) and a counter (3), wherein the rotating shaft of the distance measuring wheel (1) is connected and fixed to the counter (3), the hand piece (2) comprises a sliding frame bar (21), the sliding frame bar (21) is vertically fixed on the side end surface of the counter (3), and a lifting plate (22) is horizontally arranged on the side of the sliding frame bar (21) close to the distance measuring wheel (1), a sliding block (221) is fixed at one end of the lifting plate (22), and the sliding block (221) is vertically slidably mounted on the sliding frame A scraper (23) is vertically fixed on the bottom surface of the slider (221) away from one end of the slide frame bar (21), a screw hole plate (24) is horizontally fixed on the top of the slide frame bar (21), and an adjusting screw (25) is installed through the vertical thread on the screw hole plate (24), the bottom end of the adjusting screw (25) is rotatably connected to the lifting plate (22), and a rotating drum (26) is vertically fixed on the top surface of the slide frame bar (21), and a screw drum (27) is vertically arranged on the rotating drum (26).

2. A novel foldable distance measuring wheel according to claim 1, characterized in that: A screw rod (28) is threadedly assembled in the screw barrel (27), and a rotating rod plate (29) is fixed to the bottom end of the screw rod (28).

3. A novel foldable distance measuring wheel according to claim 2, characterized in that: A rotating shaft is horizontally fixed on the rotating rod plate (29), and a positioning hole (291) is provided at the bottom end of the rotating rod plate (29).

4. A novel foldable distance measuring wheel according to claim 3, characterized in that: A perforated plate (261) is horizontally fixed on the side end surface of the rotating drum (26), and a positioning rod (262) is inserted and inserted in a vertically sliding manner through the perforated plate (261).

5. A novel foldable distance measuring wheel according to claim 4, characterized in that: A spring (263) is vertically sleeved on the outside of the positioning rod (262), and two ends of the spring (263) are respectively fixed to the bottom end of the positioning rod (262) and the bottom surface of the orifice plate (261).

6. A novel foldable distance measuring wheel according to claim 5, characterized in that: The top end of the positioning rod (262) is inserted into the positioning hole (291) of the rotating rod plate (29).

7. A novel foldable distance measuring wheel according to claim 2, characterized in that: A handle (271) is vertically fixed to the top end of the screw barrel (27).

Images