Adjustable foot device and snow removing roller

By designing an adjustable foot device, the height adjustment is achieved by using the threaded connection between the cylinder and the core, the contact force problem of snow removal rolling under wear and environmental changes is solved, and the stability and working effect of snow removal rolling are improved.

CN223135063UActive Publication Date: 2025-07-22HUNAN NEW ENERGY VEHICLE CO LTD
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Patent Information

Application Number
CN202422074717.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-07-22
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

During the use of existing snow removal rolls, the height of the roller brushes needs to be quickly adjusted to ensure contact force after they are worn. When the road surface is uneven and frequently turns, changes in castor height affect the working effect.

Method used

An adjustable foot device is designed, including a cylinder, a core and an adjustment rod. The cylinder and the core are moved oppositely or oppositely through threaded connections. The adjustment rod and the nut are matched to achieve a high degree of flexibility and precision adjustment.

Benefits of technology

It provides more stable height adjustment, ensures stable contact force between the bristles and the ground, reduces wear, improves work results, and adapts to uneven road surfaces and frequent turns.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an adjustable foot device which comprises a cylinder body, a core body and an adjusting rod, the adjusting rod penetrates through one end of the cylinder body, the adjusting rod is in threaded connection with one end of the cylinder body, a cavity for the core body to move in a reciprocating mode is arranged in the cylinder body, the adjusting rod is in threaded connection with the core body, and the core body is in threaded connection with the adjusting rod. The cylinder body, the core body and the adjusting rod are located on the same axis, and the moving directions of the cylinder body and the core body relative to the adjusting rod are opposite. The utility model further provides a snow removing roller. According to the snow removing roller, the barrel and the inner core move reversely relative to the adjusting rod by arranging the adjusting rod, the height of the snow removing roller can be rapidly adjusted, and better supporting force can be provided.
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Description

Technical Field

[0001] The utility model relates to the technical field of snow removal rollers, in particular to an adjustable foot device and a snow removal roller. Background Art

[0002] During the use of the snow removal roller, after the bristles of the roller brush are worn, it is necessary to quickly adjust the height of the snow removal roller to ensure the contact force between the bristles of the snow removal roller and the ground and ensure the normal use of the snow removal roller; at the same time, during the process of the caster wheels of the snow removal roller vibrating on the uneven road surface and turning frequently, the height of the caster wheels cannot change by itself to ensure that the contact force between the bristles and the ground does not change by itself and affect the operation effect.

[0003] At present, for the adjustable caster wheels on the market, during the use process, under the conditions of vibration and frequent turning, the caster wheels will rise by themselves, resulting in an increase in the ground contact force of the bristles and causing the bristles to wear quickly. Content of the Utility Model

[0004] The main purpose of the utility model is to solve the technical problems described in the background art.

[0005] To achieve the above object, in the first aspect, the utility model provides an adjustable foot device, which includes a cylinder body, a core body and an adjusting rod. The adjusting rod penetrates through one end of the cylinder body, and the adjusting rod is threadedly connected with one end of the cylinder body. The adjusting rod is threadedly connected with the core body in the cylinder body. The cylinder body, the core body and the adjusting rod are on the same axis, and the moving directions of the cylinder body and the core body relative to the adjusting rod are opposite.

[0006] In one embodiment, a first nut is arranged at one end of the cylinder body, and the adjusting rod is connected with one end of the cylinder body through the first nut.

[0007] In one embodiment, a blind hole with internal threads is arranged in the length direction of the core body, and the thread direction of the internal threads is opposite to that of the first nut.

[0008] In one embodiment, a second nut is arranged at one end of the core body, the adjusting rod is connected with one end of the core body through the second nut, and the thread direction of the second nut is opposite to that of the first nut.

[0009] In one embodiment, the core body is hollow, and the second nut is arranged at one end of the core body through a fixing plate.

[0010] In one embodiment, the adjustable foot device further includes a guide sleeve, the guide sleeve is sleeved on the core body, and the guide sleeve is located between the inner wall of the cylinder body and the outer wall of the core body.

[0011] In one embodiment, a limit screw is provided at one end of the cylinder away from the adjusting rod, a limit plate is annularly provided on the core body, and the limit plate is restricted in the cylinder by the limit screw.

[0012] In one embodiment, the snow removal roller further includes casters, and the casters are connected to one end of the core body away from the adjusting rod.

[0013] In one embodiment, the casters are connected to the core body through a base, and the casters are rotatably connected to the base.

[0014] In a second aspect, the present utility model provides a snow removal roller, and the snow removal roller includes the adjustable foot device as described in any one of the first aspects.

[0015] By providing an adjusting rod in the present utility model, the cylinder and the inner core move in opposite directions relative to the adjusting rod, which can achieve more stable and reliable height adjustment, provide better supporting force, provide an adjustable foot device for the snow removal roller, and can quickly adjust the height of the snow removal roller when the bristles of the rolling brush are worn. At the same time, when encountering uneven road surfaces and frequent turning, the height of the snow removal roller is more stable and is not easily affected by environmental factors to affect the operation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 Structural schematic diagram of the adjustable foot device in an embodiment of the present utility model;

[0018] Figure 2 Structural schematic diagram of the adjustable foot device in an embodiment of the present utility model;

[0019] Figure 3 Cross-sectional structural schematic diagram of the adjustable foot device in an embodiment of the present utility model;

[0020] Figure 4 Structural schematic diagram of the snow removal roller in an embodiment of the present utility model;

[0021] Figure 5 Structural schematic diagram of the snow removal roller in an embodiment of the present utility model;

[0022] MAIN ELEMENT SYMBOL DESCRIPTION:

[0023] 1 - Cylinder body; 2 - Core body; 3 - Adjusting rod; 4 - Limit screw; 5 - Fixed mounting plate; 6 - Mounting hole; 7 - Caster; 8 - Base; 9 - Adjusting handwheel; 10 - First nut; 11 - Second nut; 12 - Limiting plate; 13 - Guide sleeve mounting screw; 14 - Guide sleeve; 15 - Adjustable foot device; 151 - First adjustable foot device; 152 - Second adjustable foot device; 16 - Hydraulic motor; 17 - Connecting frame; 18 - Quick change device; 19 - Snow removal brush. Detailed implementation mode

[0024] In order to better understand the above technical solution, the exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present disclosure can be more thoroughly understood and the scope of the present disclosure can be fully conveyed to those skilled in the art.

[0025] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] It should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is the orientation or positional relationship based on the coordinate system shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0027] In the present invention, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; 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 elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0028] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0029] In a first aspect, the present utility model provides an adjustable foot device 15, and the adjustable foot device 15 is used for a snow removal roller. Refer to Figures 1-3 , in one embodiment, the adjustable foot device 15 includes a cylinder 1, a core 2 and an adjusting rod 3. The adjusting rod 3 is threadedly connected to one end of the cylinder 1. A cavity for the reciprocating movement of the core 2 is provided inside the cylinder 1. The adjusting rod 3 is threadedly connected to the core 2. The cylinder 1, the core 2 and the adjusting rod 3 are on the same axis, and the moving directions of the cylinder 1 and the core 2 relative to the adjusting rod 3 are opposite.

[0030] It should be understood that a snow removal roller is a device installed at the front end of a vehicle or a mechanical device for removing snow on a road or the ground. Refer to Figure 4 , after the adjustable foot device 15 and the snow removal brush 19 in this application are installed and fixed, they can be used for snow removal operations of vehicles or mechanical devices. For example Figure 4 shown; in this embodiment, refer to Figures 1-3 , the cylinder 1 is a square column, and the core 2 is a cylinder. In other embodiments, the cylinder 1 and the core 2 can also be set to other shapes. For example, both the cylinder 1 and the core 2 can be set to square column shapes, or both the cylinder 1 and the core 2 can be set to cylindrical shapes, etc.

[0031] Specifically, since the cylinder 1, the core 2 and the adjusting rod 3 are on the same axis, and both the cylinder 1 and the core 2 are connected to the adjusting rod 3, the relative or opposite movement of the cylinder 1 and the core 2 can be achieved by rotating the adjusting rod 3. After installing the snow removal brush 19, by rotating the adjusting rod 3, the adjustable foot device 15 can be lengthened or shortened to adjust the height of the snow removal brush 19. When the adjusting rod 3 rotates in one direction and the cylinder 1 and the core 2 move towards each other (move), then when the adjusting rod 3 rotates in the opposite direction, the cylinder 1 and the core 2 move relative to each other (move). The height of the adjustable foot device 15 can be quickly adjusted by controlling the rotation direction and degree of the adjusting rod 3.

[0032] In this embodiment, the adjusting rod 3 is provided to enable the cylinder 1 and the core 2 to simultaneously move relative to or toward the adjusting rod 3 on the same axis. A slight change in the angle of the adjusting rod 3 will have a clear effect on the height of the adjustable foot device 15, so that the height of the adjustable foot device 15 can be adjusted flexibly, accurately and quickly. At the same time, since the height change of the adjustable foot device 15 requires the simultaneous movement of the cylinder 1 and the core 2, the height of the adjustable foot device 15 is more stable and reliable, and better supporting force is provided. When the bristles of the roller brush are worn, the height of the adjustable foot device 15 can be quickly adjusted. At the same time, when encountering uneven roads and frequent turns, the height of the adjustable foot device 15 is more stable and is not easily affected by environmental factors. The operating effect.

[0033] In one embodiment, referring to Figures 1-3 A first nut 10 is provided at one end of the cylinder 1 , and the adjusting rod 3 is connected to one end of the cylinder 1 through the first nut 10 .

[0034] Among them, the first nut 10 can refer to Figure 3 The first nut 10 is connected to the cylinder 1 through a partition on one end of the cylinder 1, and can be installed in a Figure 3 The inner wall of the cylinder 1 is screwed to the adjusting rod 3, or the first nut 10 can be installed on the outer wall of the cylinder 1 and screwed to the adjusting rod 3; in other embodiments, an internal thread can be set at one end of the cylinder 1, and the adjusting rod 3 is screwed to the cylinder 1 through the internal thread.

[0035] In one embodiment, referring to Figures 1-3 A blind hole with an internal thread is provided in the length direction of the core body 2 , and the internal thread is opposite to the thread direction of the first nut 10 .

[0036] In this embodiment, the adjusting rod 3 is spirally connected to the core body 2 through the blind hole, and the outlet of the blind hole should be toward one end of the cylinder 1. In other embodiments, a through hole with an internal thread can also be set in the length direction of the core body 2, and the internal thread is opposite to the thread direction of the first nut 10.

[0037] In one embodiment, referring to Figures 1-3 A second nut 11 is provided at one end of the core body 2, and the adjusting rod 3 is connected to one end of the core body 2 through the second nut 11, and the thread direction of the second nut 11 is opposite to that of the first nut 10.

[0038] Among them, the second nut 11 can be set at one end of the core body 2 and spirally connected to the adjusting rod 3, or the second nut 11 can be installed at the other end of the core body 2 and spirally connected to the adjusting rod 3; in other embodiments, the second nut 11 can be set in the core body 2 (it is an internal thread when set in the core body 2).

[0039] In one of the embodiments, referring to Figures 1-3 , the core body 2 is hollow, and the second nut 11 is arranged at one end of the core body 2 through a fixing plate.

[0040] Among them, the second nut 11 can be connected to the core body 2 by referring to Figure 3 a partition plate at one end of the core body 2, and the second nut 11 can be installed on the inner wall of the core body 2 as shown in Figure 3 and be screwed to the adjusting rod 3, or the second nut 11 can be installed on the outer wall of the core body 2 and be screwed to the adjusting rod 3.

[0041] The above embodiments provide various connection methods between the cylinder body 1, the core body 2 and the adjusting rod 3. While the method is simple and easy to complete, the same technical effects can be achieved. The simple realization of the height adjustment of the adjustable foot device 15 makes the adjustable foot device 15 have better economy, practicability and promotion benefits.

[0042] In one of the embodiments, referring to Figures 1-3 , the adjusting rod 3 is provided with a first thread and a second thread. The first thread matches the first nut 10, the rotation direction of the first thread is the same as that of the first nut 10, the second thread matches the second nut 11, and the rotation direction of the second thread is opposite to that of the first thread.

[0043] Among them, the first nut 10 is a right-handed thread nut, and the second nut 11 is a left-handed thread nut. This positive and negative thread mechanism can better control the height adjustment. By controlling the rotation direction, speed and force, the height change can be accurately controlled to meet the application requirements of different height requirements.

[0044] In this embodiment, if the rotation direction of the first nut 10 is clockwise, when the adjusting rod 3 is rotated clockwise during the use of the adjustable foot device 15, the height of the core body 2 relative to the ground remains unchanged, the cylinder body 1 will move upward and move relative to the core body 2, the length of the adjustable foot device 15 becomes larger, and the height of the snow removal brush 19 connected to the adjustable foot device 15 rises; when the adjusting rod 3 is rotated counterclockwise, the height of the core body 2 relative to the ground remains unchanged, the cylinder body 1 will move downward and move towards the core body 2, the length of the adjustable foot device 15 decreases, and the height of the snow removal brush 19 connected to the adjustable foot device 15 drops.

[0045] In one of the embodiments, referring to Figures 1-3 , the adjustable foot device 15 further includes a guide sleeve 14. The guide sleeve 14 is sleeved on the core body 2, and the guide sleeve 14 is located between the cylinder body 1 and the core body 2.

[0046] Among them, the guide sleeve 14 is a nylon guide sleeve, and the guide sleeve 14 can be connected by means of threaded connection, bonding, etc.

[0047] In this embodiment, by providing a guide sleeve 14 to effectively support the rolling of the core body 2 in the cylinder body 1, the normal operation and accurate guiding performance of the adjustable foot device 15 are ensured.

[0048] In one of the embodiments, referring to Figures 1-3 , a limiting plate 12 is provided around the core body 2, and the guide sleeve 14 is mounted on the core body 2 through guide sleeve mounting screws 13 and the limiting plate 12.

[0049] Among them, in this embodiment, the limiting plate 12 is installed near one end of the core body 2 close to the ground; in other embodiments, the limiting plate 12 can be arranged at other positions of the core body 2 according to other embodiments.

[0050] In this embodiment, by providing the limiting plate 12, the installation of the guide sleeve 14 on the core body 2 provides a more powerful guarantee for the relative movement of the core body 2.

[0051] In one of the embodiments, referring to Figures 1-3 , a limiting screw 4 is provided at one end of the cylinder body 1 away from the adjusting rod 3, a limiting plate 12 is provided around the core body 2, and the limiting plate 12 is restricted in the cylinder body 1 by the limiting screw 4.

[0052] Among them, in this embodiment, a limiting hole is provided on the cylinder body 1, and the limiting hole is matched with the limiting screw 4 and fixedly connected through a partition plate. In other embodiments, other limiting mechanisms can also be provided.

[0053] Specifically, when the adjusting rod 3 is rotated, the limiting screw 4 limits the upward movement height of the cylinder body 1.

[0054] In this embodiment, by providing the limiting screw 4, the adjustment height of the adjustable foot device 15 is limited, making the height adjustment of the adjustable foot device 15 controllable. Since the adjustable foot device 15 is less likely to shake and loosen when most of the core body 2 is in the cylinder body 1, the use of the adjustable foot device 15 can be made more stable through the limiting screw 4.

[0055] It should be understood that in this application, the maximum length of the adjustable foot device 15 can be set by setting the heights of the cylinder body 1, the core body 2, and the adjusting rod 3. The greater the length of the adjusting rod 3, the greater the relative movement distance between the cylinder body 1 and the core body 2. Similarly, the greater the lengths of the cylinder body 1 and the core body 2, the greater the relative displacement between the two. The minimum height of the cylinder body 1 is the minimum height of the adjustable foot device 15 (excluding the height of the caster 7).

[0056] In one of the embodiments, referring to Figures 1-3 , a fixed mounting plate 5 for connecting the snow removal brush 19 is provided on the outer wall of the cylinder body 1.

[0057] Among them, the fixed mounting plate 5 is used to mount a snow hanging device such as a snow removal brush 19. In this embodiment, the fixed mounting plate 5 is rectangular, made of metal, and mounting holes 6 are respectively provided at its four corners. The snow removal brush 19 can be connected to the fixed mounting plate 5 by screws / bolts. In other embodiments, the fixed mounting plate 5 can also be set to other shapes and other materials.

[0058] In one embodiment, referring to Figures 1-3 , a plurality of mounting holes 6 are provided on the fixed mounting plate 5.

[0059] Among them, in this embodiment, the fixed mounting plate 5 is rectangular, and mounting holes 6 are respectively provided at its four corners. The snow removal brush 19 can be connected to the fixed mounting plate 5 by screws / bolts. In other embodiments, other numbers of mounting holes 6 can also be provided on the fixed mounting plate 5.

[0060] In one embodiment, referring to Figures 1-3 , the snow removal roller further includes casters 7, and the casters 7 are connected to an end of the core body 2 away from the adjusting rod 3.

[0061] In this embodiment, the casters 7 can make the use of the adjustable foot device 15 more convenient.

[0062] In one embodiment, referring to Figures 1-3 , the casters 7 are connected to the core body 2 through a base, and the casters 7 are rotatably connected to the base.

[0063] In this embodiment, by setting the casters 7 to be rotatably connected to the base, the casters 7 can move in all directions.

[0064] In one embodiment, referring to Figures 1-3 , an adjusting handwheel 9 is provided at an end of the adjusting rod 3 away from the core body 2.

[0065] In this embodiment, by providing the adjusting handwheel 9, the rotation of the adjusting rod 3 is made more convenient; in other embodiments, the adjusting rod 3 can also be connected to a nut wrench or a driving device (such as a motor, a hydraulic press, etc.) to control the rotation of the adjusting rod 3.

[0066] Second aspect, referring to Figure 4, the present utility model provides a snow removal roller, which includes a snow removal brush 19, an adjustable foot device 15, a hydraulic motor 16, a connecting frame 17 and a quick-change device 18. The snow removal brush 19 is connected to the quick-change device 18 through the connecting frame 17. Both ends of the rotating shaft of the snow removal brush 19 are connected to the connecting frame 17. The hydraulic motor 16 is connected to one end of the rotating shaft of the snow removal brush 19 through the connecting frame 17. The adjustable foot device 15 adjusts the height of the snow removal brush 19 by being arranged near one end of the connecting frame 17 close to the snow removal brush 19.

[0067] Among them, the quick-change device is used to mount the snow removal roller on a vehicle or a mechanical device. The hydraulic motor 16 is used to rotate the snow removal brush 19. The snow removal brush 19 is a roller brush, and a brush cover is arranged on the snow removal brush 19.

[0068] Specifically, the adjustable foot device 15 includes a first adjustable foot device 151 and a second adjustable foot device 152. Refer to Figure 5 , the first adjustable foot device 151 is arranged near one end of the connecting frame 17 close to the rotating shaft of the snow removal brush 19, and the second adjustable foot device 152 is arranged near one end of the connecting frame 17 close to the rotating shaft of the snow removal brush 19.

[0069] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. An adjustable foot device, which is used for a snow removal roller, and is characterized in that, The adjustable foot device includes a cylinder body, a core body and an adjusting rod. The adjusting rod penetrates through one end of the cylinder body, and the adjusting rod is threadedly connected to one end of the cylinder body. A cavity for the reciprocating movement of the core body is provided inside the cylinder body. The adjusting rod is threadedly connected to the core body. The cylinder body, the core body and the adjusting rod are on the same axis, and the moving directions of the cylinder body and the core body relative to the adjusting rod are opposite.

2. The adjustable foot device according to claim 1, characterized in that, A first nut is provided at one end of the cylinder body, and the adjusting rod is connected to one end of the cylinder body through the first nut.

3. The adjustable foot device according to claim 2, wherein, A blind hole with internal threads is provided in the length direction of the core body, and the thread direction of the internal threads is opposite to that of the first nut.

4. The adjustable foot device according to claim 2, wherein, A second nut is provided at one end of the core body, and the adjusting rod is connected to one end of the core body through the second nut. The thread direction of the second nut is opposite to that of the first nut.

5. The adjustable foot device according to claim 4, characterized in that, The core body is hollow, and the second nut is provided at one end of the core body through a fixing plate.

6. The adjustable foot device according to claim 1, characterized in that The adjustable foot device further includes a guide sleeve, and the guide sleeve is sleeved on the core body. The guide sleeve is located between the cylinder body and the core body.

7. The adjustable foot device according to claim 1, wherein A limit screw is provided at one end of the cylinder body away from the adjusting rod, and a limit plate is provided around the core body. The limit plate is restricted in the cylinder body by the limit screw.

8. The adjustable foot device according to claim 1, characterized in that, The snow removal roller further includes a caster wheel, and the caster wheel is connected to one end of the core body away from the adjusting rod.

9. The adjustable foot device according to claim 8, wherein, The caster wheel is connected to the core body through a base, and the caster wheel is rotatably connected to the base.

10. A snow removal roller, characterized in that, The snow removal roller includes the adjustable foot device according to any one of claims 1-9.