Wheel type range finder with cleaning function

Abstract

The utility model relates to the field of wheel-type range finders, particularly discloses a wheel-type range finder with a cleaning function, and solves the technical problems that an existing wheel-type range finder is easily contaminated by impurities and is inconvenient to clean in the using process. Comprising a range finder body which comprises a roller and a grip hinged to the roller; the scraping plate comprises a scraping end which abuts against the outer wall of the roller, and the scraping plate is fixedly connected to the grip; and the blowback mechanism comprises one or more blowback pipes which are arranged above the roller and are axially tangent to the roller, and the self-cleaning of the roller can be realized in the use process of the distance measuring instrument.

Description

TECHNICAL FIELD

[0001] The utility model relates to wheel type range finder technical field, specifically, a kind of wheel type range finder with cleaning function. BACKGROUND

[0002] Wheel type range finder as a kind of widely used measuring tool, is frequently used in building construction, land survey and sports events distance measurement and multiple fields.Its working principle is based on a wheel to calculate the distance of travel accurately along the ground.Due to the device is often operated in outdoor environment, and can contact various different ground types, such as grass, soil and asphalt, therefore wheel type range finder is easily contaminated with dust, soil and other impurities.These pollutants not only affect the appearance of equipment, more importantly, they can cause measurement error, reduce data accuracy, while also can shorten the service life of equipment.

[0003] Current wheel type range finder on the market generally lacks the design of self-cleaning function.In practical application, impurities remaining on the wheel body can cause the thickness of wheel body to increase, and then directly affect the accuracy of measurement results, in addition, long-term accumulated dirt can also have negative impact on the rotation performance of wheel, so that rolling is no longer smooth, further aggravate the risk of measurement error.

[0004] Due to the above problems, operating personnel usually need to take additional manual cleaning measures, such as using soft brush to clean the soil on the surface of wheel.However, such maintenance method is time-consuming and increases the complexity of use, especially in front of emergency measurement task, it is particularly inconvenient, and the work efficiency is low. SUMMARY

[0005] The utility model aims at providing a kind of wheel type range finder with cleaning function, solve the technical problem that wheel type range finder is easily contaminated with impurities during use at present, inconvenient to clean.

[0006] The utility model provides a kind of wheel type range finder with cleaning function, including: range finder body, including gyro wheel and the handle that is hinged to the gyro wheel;Scraper, including the scraping end that is abutted to the gyro wheel outer wall, the scraper is fixedly connected on the handle;Blowback mechanism, including one or more blowback pipes that are set above the gyro wheel and axially tangent to the gyro wheel.

[0007] According to one embodiment of the utility model, the blowback pipe is provided with multiple, and is symmetrically arranged.

[0008] According to one embodiment of the utility model, further include suction assembly, and the suction assembly includes suction pipe that is arranged near the gyro wheel.

[0009] According to one embodiment of the utility model, the suction pipe is communicated with a dust collecting box, and the dust collecting box is arranged at the top end of the handle.

[0010] According to one embodiment of the utility model, the auxiliary roller is connected to the handle through an auxiliary connecting rod.

[0011] According to one embodiment of the utility model, the scraper is connected to the handle through an elastic element, so that the scraper can automatically adjust the pressure according to the unevenness of the roller surface.

[0012] According to one embodiment of the utility model, the back blowing pipe is connected with an air compressor.

[0013] According to one embodiment of the utility model, the handle is provided with an anti-skid layer.

[0014] The technical scheme of the utility model has at least the following advantages and beneficial effects:

[0015] The scraper matched with the arc and the elastic connecting structure can automatically adapt to the change of the outer diameter of the roller under different wear conditions through the elastic compensation mechanism of the spring while ensuring that the scraper is closely combined with the surface of the roller, avoid the deformation of the scraper or the damage of the roller caused by the hard contact, keep the cleaning efficiency stable, and combine the back blowing pipe, so that the reverse airflow opposite to the movement direction is formed when the roller rolls in the forward and reverse directions, the butt effect is generated, the sticky dirt can be effectively removed through the synergistic effect of the mechanical scraping and the pneumatic blowing, and the removal effect of the impurities is further ensured in combination with the suction assembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings.

[0017] Figure 1 The structural schematic diagram of the wheeled range finder with the cleaning function provided for the embodiment 1 of the utility model is shown in the figure.

[0018] Figure 2 The structural schematic diagram of the wheeled range finder with the cleaning function provided for the embodiment 2 of the utility model is shown in the figure.

[0019] Figure 3 The structural schematic diagram of the wheeled range finder with the cleaning function provided for the embodiment 3 of the utility model is shown in the figure.

[0020] Figure:

[0021] 110, roller; 120, handle;

[0022] 210, scraper; 220, spring;

[0023] 310, back flushing pipe;

[0024] 410, suction pipe; 420, dust collecting box;

[0025] 510, auxiliary roller; 520, auxiliary connecting rod. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0027] Embodiment 1

[0028] The embodiments of the present application provide a wheeled range finder with a cleaning function to realize self-cleaning of the range finder.

[0029] Please refer to Figure 1 The embodiments of the present application provide a wheeled range finder with a cleaning function, which comprises a range finder body, including a roller 110 and a handle 120 hingedly connected to the roller 110.

[0030] The scraper 210 comprises a scraping end abutting the outer wall of the roller 110, and the scraper 210 is fixedly connected to the handle 120. In this embodiment, the curvature of the scraper 210 matches the curvature of the outer peripheral surface of the roller 110, so that the scraper 210 can tightly adhere to the outer peripheral surface of the roller 110, facilitating the cleaning function of the scraper 210 and scraping off the residual dirt on the surface;

[0031] The back flushing mechanism comprises one or more back flushing pipes 310 arranged above the roller 110 and axially tangent to the roller 110 to blow off the dirt, such as soil, on the surface of the roller 110. In this embodiment, the back flushing mechanism comprises a plurality of back flushing pipes 310 arranged in a row to form a back flushing pipe row, which is arranged above the roller 110. The back flushing pipes 310 are axially tangent to the roller 110, and the extension direction of the back flushing pipe row is consistent with the axial direction of the roller 110.

[0032] In the embodiment, the back blowing pipes 310 are provided in plurality and symmetrically, in the embodiment, the back blowing pipes are symmetrically provided and respectively face two sides of the roller 110, when the roller 110 advances or retreats, the cleaning effect can be realized, specifically, the roller 110 and the back blowing pipes 310 are tangent in the axial direction, and the pipe openings of the back blowing pipes 310 face the roller 110, no matter whether the roller 110 advances or retreats, the airflow direction of the back blowing pipes 310 can be opposite to the moving direction of the roller 110, that is, when the roller 110 rolls in the forward and reverse directions, the reverse airflow opposite to the moving direction can be formed, and the butt effect is generated, so that the removal effect on the dirt on the roller 110 is increased.

[0033] In the embodiment, the scraper 210 is connected to the handle 120 through the elastic element, so that the scraper 210 can automatically adjust the pressure according to the unevenness of the surface of the roller 110, and the adaptability is increased, in the embodiment, the elastic element is a spring 220, the scraper 210 and the elastic connection structure are matched in the radian, while ensuring that the scraper 210 is closely combined with the surface of the roller 110, the roller 110 in different wear states can be automatically adapted to the change of the outer diameter of the roller 110 through the elastic compensation mechanism of the spring 220, the deformation of the scraper 210 or the damage of the roller 110 caused by the hard contact is avoided, and the cleaning efficiency is kept stable.

[0034] In the embodiment, the back blowing pipe 310 is connected with the air compressor, and the air compressor is a portable air compressor connected to the handle 120.

[0035] In the embodiment, the handle 120 is provided with an anti-skid layer, and the operation is facilitated.

[0036] The use process of the wheel type range finder with the cleaning function in the embodiment 1 of the utility model will be described in detail below.

[0037] When the distance is measured, the operator controls the wheel type range finder by holding the handle 120, the handle 120 and the roller 110 are connected in the hinged mode, so that the roller 110 can flexibly roll along the ground, the scraper 210 located above the roller 110 removes the dirt and impurities attached to the surface of the roller 110 when the roller 110 rolls along the ground, the compressed air flow is applied to the surface of the roller 110 by the back blowing pipe 310, which helps to loosen and blow away the impurities preliminarily cleaned by the scraper 210, effectively prevents the accumulation of pollutants on the roller 110, and greatly reduces the measurement error caused by the accumulation of impurities on the surface of the roller 110, and the adhesion dirt can be effectively removed through the synergistic effect of the mechanical scraping and the pneumatic blowing.

[0038] Embodiment 2

[0039] In the embodiment of the utility model, a wheel type range finder with a cleaning function is provided to realize the self-cleaning of the range finder.

[0040] Please refer to Figure 2 The wheel type range finder with the cleaning function provided by the embodiment 2 of the utility model is only different from the embodiment 1 in that the embodiment also comprises a suction assembly, the suction assembly comprises a suction pipe 410 arranged near the roller 110, in the embodiment, the suction manifold is communicated with a dust collecting box 420, the dust collecting box 420 is arranged at the top end of the handle 120, in the embodiment, a plurality of suction pipes 410 are communicated through the suction manifold, the suction manifold is connected with a suction machine through the dust collecting box 420, the suction machine is provided with the roller 110 at the bottom, portable movement of the device is realized, and the figure has been omitted, and the dust collecting box 420 is internally provided with a filter screen.

[0041] Embodiment 3

[0042] The utility model embodiment provides a wheel type range finder with cleaning function to realize range finder self-cleaning.

[0043] Please refer to Figure 3 The wheel type range finder with the cleaning function provided by the embodiment 2 of the utility model is only different from the embodiment 1 in that the embodiment also comprises an auxiliary roller 510, the auxiliary roller 510 is connected with the handle 120 through an auxiliary connecting rod 520, and the stability of the device is increased, in the embodiment, the roller 110 and the auxiliary roller 510 are all provided with an anti-sticking coating, and are suitable for a humid and sticky soil environment, and in the embodiment, the anti-sticking coating is a polytetrafluoroethylene (PTFE) coating.

[0044] The embodiment of the utility model has at least the following advantages:

[0045] The utility model adopts the scraping plate matched with the radian and the elastic connecting structure, guarantees the scraping plate and the roller surface close fitting, and can automatically adapt to the roller outer diameter change under different wear conditions through the elastic compensation mechanism of the spring, avoids the scraping plate deformation or the roller damage caused by the hard contact, keeps the cleaning efficiency stable, combines the back blowing pipe, and can form the reverse airflow opposite to the movement direction when the roller rolls in the forward and reverse directions, generates the opposite effect, through the synergistic effect of the mechanical scraping and the pneumatic blowing, can effectively remove the sticky dirt, and further guarantees the removal effect of impurities in combination with the suction assembly.

[0046] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and the utility model can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A wheel-type rangefinder with a cleaning function, characterized in that, The application relates to a range finder, which comprises a range finder body, a scraping plate and a back-blowing mechanism. The range finder body comprises a rolling wheel and a handle hinged to the rolling wheel. The scraping plate comprises a scraping end abutting against the outer wall of the rolling wheel, and the scraping plate is fixedly connected to the handle. The back-blowing mechanism comprises one or more back-blowing pipes arranged above the rolling wheel and axially tangent to the rolling wheel.

2. The wheel type range finder with cleaning function according to claim 1, characterized in that, The back-blowing pipes are symmetrically arranged.

3. The wheel type range finder with cleaning function according to claim 1, characterized in that, The range finder further comprises a suction assembly comprising a suction pipe arranged near the rolling wheel.

4. The wheel type range finder with cleaning function according to claim 3, characterized in that, The suction pipe is connected to a dust collecting box, and the dust collecting box is arranged at the top end of the handle.

5. The wheel type range finder with cleaning function according to claim 1, characterized in that, The range finder further comprises an auxiliary rolling wheel connected to the handle through an auxiliary connecting rod.

6. The wheel type range finder with cleaning function according to claim 1, characterized in that, The scraping plate is connected to the handle through an elastic element, so that the scraping plate can automatically adjust the pressure according to the unevenness of the rolling wheel surface.

7. The wheel type range finder with cleaning function according to claim 1, characterized in that, The back-blowing pipes are connected to an air compressor.

8. The wheel type range meter with cleaning function according to claim 1, characterized in that, The handle is provided with an anti-skid layer.

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