Foldable wheel carrier and snow sweeper

Abstract

The utility model relates to the technical field of snow sweepers, and discloses a foldable wheel carrier and a snow sweeper, the foldable wheel carrier comprises a fixing frame, and the fixing frame is respectively provided with a first clamping part and a second clamping part; the wheel carrier assembly is rotatably arranged on the fixing frame, the wheel carrier assembly is provided with a folding position and an unfolding position relative to the fixing frame, the wheel carrier assembly can be switched between the folding position and the unfolding position, and a clamping structure is further arranged on the wheel carrier assembly; when the wheel carrier assembly is located at the unfolding position, the clamping structure is clamped on the first clamping part; and when the wheel carrier assembly is located at the folding position, the clamping structure is clamped on the second clamping part. The foldable wheel carrier and the snowplow provided by the utility model are simple in structure and easy to operate, and the wheel carrier is convenient to store.

Description

Technical Field

[0001] The utility model belongs to the technical field of snow sweepers, and in particular relates to a foldable wheel frame and a snow sweeper. Background Art

[0002] As an important equipment for snow removal in winter, snowplows have major advantages such as high efficiency, economy, and environmental protection. With the growing economic strength and continuous social progress, snow removal equipment has been gradually promoted and used at home and abroad. In order to facilitate the movement of snowplows during use or transportation, existing snowplows are usually equipped with rear wheel structures, but the rear wheel structure needs to be installed and disassembled by the user when leaving the factory or storing. On the one hand, the user experience is poor due to the cumbersome operation, and on the other hand, the user's work efficiency of using the snowplow is reduced. Utility Model Content

[0003] The purpose of the utility model is to solve the above problems in the prior art, on the one hand, to provide a foldable wheel frame with a simple structure and easy operation;

[0004] On the other hand, a snow blower is provided which has a simple structure, is easy to operate, and has a convenient wheel frame storage.

[0005] The purpose of the utility model can be achieved through the following technical solutions, a foldable wheel frame, comprising:

[0006] A fixing frame, wherein the fixing frame is provided with a first clamping portion and a second clamping portion respectively;

[0007] A wheel frame assembly is rotatably arranged on the fixed frame, the wheel frame assembly has a folded position and an unfolded position relative to the fixed frame, and the wheel frame assembly can be switched between the folded position and the unfolded position, wherein the wheel frame assembly is also provided with a clamping structure;

[0008] When the wheel frame assembly is in the unfolded position, the clamping structure is clamped on the first clamping portion; when the wheel frame assembly is in the folded position, the clamping structure is clamped on the second clamping portion.

[0009] In the above-mentioned foldable wheel frame, the clamping structure includes a connecting rod rotatably connected to the fixed frame, and a clamping shaft passing through the connecting rod and clamped with the first clamping part or the second clamping part. When the connecting rod rotates around the fixed frame to the unfolded position, the clamping shaft is clamped on the first clamping part, and when the connecting rod rotates around the fixed frame to the folded position, the clamping shaft is clamped on the second clamping part.

[0010] In the above-mentioned foldable wheel frame, the connecting rod is rotatably connected to the fixing frame via a connecting shaft, wherein the connecting shaft passes through the connecting rod and is connected to the fixing frame.

[0011] In the above-mentioned foldable wheel frame, a limiting groove slidably connected to the clamping shaft is provided on the connecting rod, wherein the limiting groove has a first limiting portion and a second limiting portion, and the clamping shaft can slide between the first limiting portion and the second limiting portion; when the clamping shaft abuts against the first limiting portion, the clamping shaft is clamped with the first clamping portion or the second clamping portion, and when the clamping shaft abuts against the second limiting portion, the clamping shaft is separated from the first clamping portion or the second clamping portion.

[0012] In the above-mentioned foldable wheel frame, an elastic member is further arranged between the clamping shaft and the connecting shaft. When the clamping shaft moves toward the second limiting portion under the action of external force, the elastic member expands. When the external force on the clamping shaft disappears, the elastic member contracts and drives the clamping shaft to move toward the first limiting portion, thereby realizing automatic locking of the clamping shaft.

[0013] In the above-mentioned foldable wheel frame, a connecting hole for the connecting shaft to pass through is provided on the fixing frame, and the distance between the connecting hole and the first clamping portion is equal to the distance between the connecting hole and the second clamping portion.

[0014] In the above-mentioned foldable wheel frame, a guide edge is formed between the first clamping portion and the second clamping portion, and the connecting shaft switches between the first clamping portion and the second clamping portion along the guide edge.

[0015] In the above-mentioned foldable wheel frame, a roller structure is further provided at one end of the connecting rod away from the fixing frame, and the roller structure is rotatably connected to the connecting rod.

[0016] A snowplow, comprising:

[0017] A snowplow body, on which a mounting portion is disposed;

[0018] A fixing frame is detachably mounted on the mounting portion and is provided with a first clamping portion and a second clamping portion;

[0019] A wheel frame assembly is rotatably arranged on the fixed frame, the wheel frame assembly has a folded position and an unfolded position relative to the fixed frame, and the wheel frame assembly can be switched between the folded position and the unfolded position, wherein the wheel frame assembly is also provided with a clamping structure;

[0020] When the wheel frame assembly is in the deployed position, the clamping structure is clamped on the first clamping portion, and the wheel frame assembly extends out of the mounting portion; when the wheel frame assembly is in the folded position, the clamping structure is clamped on the second clamping portion, and the wheel frame assembly is buckled in the mounting portion.

[0021] In the above-mentioned snow sweeper, the mounting portion includes a first accommodating groove and a second accommodating groove, and the fixing frame is detachably assembled in the first accommodating groove. When the wheel frame assembly is in the deployed position, the clamping structure is clamped on the first clamping portion, and the roller structure of the wheel frame assembly extends out of the second accommodating groove; when the wheel frame assembly is in the folded position, the clamping structure is clamped on the second clamping portion, and the roller structure of the wheel frame assembly is buckled in the second accommodating groove.

[0022] Compared with the prior art, the beneficial effects of the utility model are as follows: by arranging the first clamping portion and the second clamping portion on the fixed frame, and rotatably arranging the wheel frame assembly on the fixed frame, the wheel frame assembly has a folded position and an unfolded position relative to the fixed frame, and the wheel frame assembly is switched between the folded position and the unfolded position through the clamping structure, so that when the user uses the wheel frame assembly, the wheel frame assembly can be rotated to the unfolded position, and when the wheel frame assembly is stored, the wheel frame assembly can be rotated to the folded position, thereby avoiding repeated installation and disassembly by the user, which not only effectively improves the convenience of using and storing the wheel frame assembly, but also improves the user's operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the foldable wheel frame in the embodiment of the utility model in the unfolded position.

[0024] Figure 2 It is an exploded view of the foldable wheel frame in the embodiment of the utility model.

[0025] Figure 3 It is a structural schematic diagram of the foldable wheel frame in the folded position in the embodiment of the utility model.

[0026] Figure 4 It is a structural schematic diagram of the snow sweeper in the storage state in the embodiment of the utility model.

[0027] Figure 5 It is a partial exploded view of the snow sweeper in the embodiment of the utility model. DETAILED DESCRIPTION

[0028] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0029] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] like Figures 1 to 3 As shown, a foldable wheel frame includes a fixing frame 100 , a first clamping portion 110 , a second clamping portion 120 , a wheel frame assembly 200 , a clamping structure 210 , and a roller structure 230 .

[0031] like Figures 1 to 3 As shown, a foldable wheel frame comprises:

[0032] A fixing frame 100, on which a first clamping portion 110 and a second clamping portion 120 are respectively provided;

[0033] The wheel frame assembly 200 is rotatably disposed on the fixed frame 100. The wheel frame assembly 200 has a folded position and an unfolded position relative to the fixed frame 100, and the wheel frame assembly 200 can be switched between the folded position and the unfolded position. The wheel frame assembly 200 is also provided with a clamping structure 210.

[0034] When the wheel frame assembly 200 is in the extended position, the snap-in structure 210 is snap-connected to the first snap-in portion 110; when the wheel frame assembly 200 is in the folded position, the snap-in structure 210 is snap-connected to the second snap-in portion 120; this allows the user to simply rotate the wheel frame assembly 200 to the extended position when using the wheel frame assembly 200, and to rotate the wheel frame assembly 200 to the folded position when storing the wheel frame assembly 200, thereby avoiding repeated installation and disassembly by the user, which not only effectively improves the convenience of using and storing the wheel frame assembly 200, but also improves the user's operating efficiency.

[0035] Specifically, if Figure 2 , Figure 3 As shown, in this embodiment, the fixing frame 100 is U-shaped, with its open side facing the wheel frame assembly 200 , and the side of the fixing frame 100 facing away from the wheel frame assembly 200 is detachably connected to the snowplow to support the wheel frame assembly 200 .

[0036] Preferably, in this embodiment, the opening side of the fixing frame 100 has two side edges with the same structure and arranged symmetrically on the left and right, and the two side edges are respectively provided with a first clamping portion 110 and a second clamping portion 120 to expand the force-bearing end of the fixing frame 100, thereby effectively ensuring the smooth rotation of the wheel frame assembly 200.

[0037] Since the structures of the two sides are the same, one of the sides is taken as an example.

[0038] In this embodiment, the fixing frame 100 is provided with a first clamping portion 110 and a second clamping portion 120 near the wheel frame assembly 200. The first clamping portion 110 and the second clamping portion 120 are U-shaped grooves, and the opening sides of the first clamping portion 110 and the second clamping portion 120 are oriented towards the direction close to the wheel frame assembly 200 to form a clamping connection with the clamping shaft 212 of the wheel frame assembly 200, so that the clamping shaft 212 can be fixed when it is rotated to the folded position or the unfolded position, thereby effectively improving the stability of the wheel frame assembly 200 in the folded position or the unfolded position, thereby ensuring the safety of the wheel frame assembly 200 when in use or storage.

[0039] In order to realize the rotation of the wheel frame assembly 200, in the present embodiment, a connecting hole 130 for the connecting shaft 213 to pass through is provided on the fixing frame 100, and the connecting hole 130 forms a rotatable connection or a fixed connection with the connecting shaft 213, wherein, when the connecting shaft 213 forms a fixed connection with the connecting rod 211, the connecting shaft 213 forms a rotatable connection with the connecting hole 130, and when the connecting shaft 213 forms a rotatable connection with the connecting rod 211, the connecting shaft 213 can form a fixed connection with the connecting hole 130, so that the wheel frame assembly 200 can rotate around the connecting hole 130 through the connecting shaft 213, thereby realizing the switching of the wheel frame assembly 200 between the folded position and the unfolded position.

[0040] In this embodiment, the distance between the connecting hole 130 and the first clamping portion 110 is equal to the distance between the connecting hole 130 and the second clamping portion 120. On the one hand, this can prevent the limiting groove 214 on the connecting rod 211 from being too long, and on the other hand, it can reduce the travel of the clamping shaft 212 in the limiting groove 214.

[0041] In this embodiment, a guide edge 140 is formed between the first clamping portion 110 and the second clamping portion 120. The guide edge 140 is arc-shaped to guide the rotation direction of the connecting shaft 213, so that the connecting shaft 213 can switch smoothly between the first clamping portion 110 and the second clamping portion 120 along the guide edge 140.

[0042] In this embodiment, the wheel frame assembly 200 is rotatably arranged on the opening side of the fixed frame 100, and the wheel frame assembly 200 has a folded position and an unfolded position, and there is a 90° angle between the folded position and the unfolded position, and the wheel frame assembly 200 can switch between the folded position and the unfolded position, wherein the wheel frame assembly 200 is provided with a clamping structure 210 clamped with the first clamping portion 110 or the second clamping portion 120; when the wheel frame assembly 200 is in the unfolded position, the clamping structure 210 is clamped on the first clamping portion 110, and when the wheel frame assembly 200 is in the folded position, the clamping structure 210 is clamped on the second clamping portion 120; so that the wheel frame assembly 200 can switch between the working state and the storage state by rotation, which greatly improves the convenience of user operation.

[0043] In this embodiment, the clamping structure 210 includes a connecting rod 211 rotatably connected to the fixing frame 100, and a clamping shaft 212 passing through the connecting rod 211 and clamped with the first clamping portion 110 or the second clamping portion 120. The connecting rod 211 and the clamping shaft 212 extend axially respectively. When the connecting rod 211 rotates around the fixing frame 100 to the extended position, the clamping shaft 212 is clamped on the first clamping portion 110. When the connecting rod 211 rotates around the fixing frame 100 to the folded position, the clamping shaft 212 is clamped on the second clamping portion 120 to ensure the stability of the wheel frame assembly 200 in the extended position or the folded position.

[0044] In this embodiment, the connecting rod 211 is rotatably connected to the connecting hole 130 via the connecting shaft 213, wherein the connecting shaft 213 passes through the connecting rod 211 and is connected to the connecting hole 130 to expand the force-bearing area of ​​the connecting rod 211, further ensuring the stability of the wheel frame assembly 200 during use.

[0045] In this embodiment, a limiting groove 214 is provided on the connecting rod 211, which is slidably connected to the clamping shaft 212. The limiting groove 214 is in the shape of a waist-shaped hole, wherein the limiting groove 214 has a first limiting portion 215 and a second limiting portion 216, and the clamping shaft 212 can slide between the first limiting portion 215 and the second limiting portion 216; when the clamping shaft 212 abuts against the first limiting portion 215, the clamping shaft 212 is clamped with the first clamping portion 110 or the second clamping portion 120 to fix the connecting rod 211, thereby ensuring the stability of the working state or the storage state of the wheel frame assembly 200; when the clamping shaft 212 abuts against the second limiting portion 216, the clamping shaft 212 is separated from the first clamping portion 110 or the second clamping portion 120, so that the connecting rod 211 can be released and rotated toward the unfolded position or the folded position, thereby realizing the switching of the working state or the storage state of the wheel frame assembly 200.

[0046] In this embodiment, an elastic member 220 is further provided between the card shaft 212 and the connecting shaft 213. When the card shaft 212 moves toward the second limiting portion 216 under the action of an external force, the elastic member 220 expands. When the external force on the card shaft 212 disappears, the elastic member 220 contracts and drives the card shaft 212 to move toward the first limiting portion 215, thereby realizing automatic locking of the card shaft 212.

[0047] Preferably, in this embodiment, the elastic member 220 is a spring, one end of which is detachably connected to the clamping shaft 212, and the other end is detachably connected to the connecting shaft 213. When the clamping shaft 212 is disengaged from the first clamping portion 110 or the second clamping portion 120, the elastic member 220 is stretched, so that when the clamping shaft 212 loses external force, the elastic member 220 can pull the clamping shaft 212 to fit tightly with the first clamping portion 110 or the second clamping portion 120 through its own reset force, thereby ensuring the firmness of the clamping shaft 212 and the first clamping portion 110 or the second clamping portion 120, avoiding the clamping shaft 212 from falling off, and effectively ensuring the stability and safety of the wheel frame assembly 200.

[0048] Preferably, in this embodiment, two groups of the elastic members 220 are provided, which are respectively located at two ends of the clamping shaft 212 and the connecting shaft 213 .

[0049] In this embodiment, a roller structure 230 is further disposed at one end of the connecting rod 211 away from the fixing frame 100 , and the roller structure 230 is rotatably connected to the connecting rod 211 , so that the wheel frame assembly 200 can drive the snowplow or other devices to move.

[0050] like Figures 4 to 5 As shown, the embodiment of the utility model also provides a snow sweeper, comprising:

[0051] A snowplow body 300 having a mounting portion 310 disposed thereon;

[0052] The fixing frame 100 is detachably mounted on the mounting portion 310 and is provided with a first clamping portion 110 and a second clamping portion 120;

[0053] The wheel frame assembly 200 is rotatably disposed on the fixed frame 100. The wheel frame assembly 200 has a folded position and an unfolded position relative to the fixed frame 100, and the wheel frame assembly 200 can be switched between the folded position and the unfolded position. The wheel frame assembly 200 is also provided with a clamping structure 210;

[0054] When the wheel frame assembly 200 is in the expanded position, the clamping structure 210 is clamped on the first clamping portion 110, and the wheel frame assembly 200 extends out of the mounting portion 310; when the wheel frame assembly 200 is in the folded position, the clamping structure 210 is clamped on the second clamping portion 120, and the wheel frame assembly 200 is buckled in the mounting portion 310; the wheel frame assembly 200 can be switched between the working state and the storage state by rotating the wheel frame assembly 200, which is not only easy to operate, but also avoids repeated installation and disassembly by users, effectively improving the convenience of use and storage of the wheel frame assembly 200, and also saving the installation space of the wheel frame assembly 200.

[0055] In this embodiment, the mounting portion 310 includes a first accommodating groove 311 and a second accommodating groove 312, and the fixing frame 100 is detachably assembled in the first accommodating groove 311. When the roller skate assembly is in the unfolded position, the clamping structure 210 is clamped on the first clamping portion 110, and the roller structure 230 of the wheel frame assembly 200 extends out of the second accommodating groove 312, so that the wheel frame assembly 200 is in a working state, thereby making the snowplow body 300 in a movable state; when the wheel frame assembly 200 is in the folded position, the clamping structure 210 is clamped on the second clamping portion 120, and the roller structure 230 of the wheel frame assembly 200 is clamped in the second accommodating groove 312, so that the wheel frame assembly 200 is in a stored state, so that the snowplow can be stored.

[0056] It is worth noting that, in this embodiment, the specific structure of the fixing frame 100 and the wheel frame assembly 200 is the same as the structure of the aforementioned foldable wheel frame.

[0057] It should be noted that in the present utility model, descriptions such as "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. The terms "connected", "fixed", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral whole; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0058] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0059] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A foldable wheel frame, characterized in that: include: A fixing frame, wherein the fixing frame is provided with a first clamping portion and a second clamping portion respectively; A wheel frame assembly is rotatably arranged on the fixed frame, the wheel frame assembly has a folded position and an unfolded position relative to the fixed frame, and the wheel frame assembly can be switched between the folded position and the unfolded position, wherein the wheel frame assembly is also provided with a clamping structure; When the wheel frame assembly is in the unfolded position, the clamping structure is clamped on the first clamping portion; when the wheel frame assembly is in the folded position, the clamping structure is clamped on the second clamping portion.

2. A foldable wheel frame according to claim 1, characterized in that: The clamping structure includes a connecting rod rotatably connected to the fixing frame, and a clamping shaft passing through the connecting rod and clamped with the first clamping portion or the second clamping portion. When the connecting rod rotates around the fixing frame to an extended position, the clamping shaft is clamped on the first clamping portion. When the connecting rod rotates around the fixing frame to a folded position, the clamping shaft is clamped on the second clamping portion.

3. A foldable wheel frame according to claim 2, characterized in that: The connecting rod is rotatably connected to the fixing frame via a connecting shaft, wherein the connecting shaft passes through the connecting rod and is connected to the fixing frame.

4. A foldable wheel frame according to claim 3, characterized in that: The connecting rod is provided with a limiting groove which is slidably connected to the clamping shaft, wherein the limiting groove has a first limiting portion and a second limiting portion, and the clamping shaft can slide between the first limiting portion and the second limiting portion; when the clamping shaft abuts against the first limiting portion, the clamping shaft is clamped with the first clamping portion or the second clamping portion, and when the clamping shaft abuts against the second limiting portion, the clamping shaft is separated from the first clamping portion or the second clamping portion.

5. A foldable wheel frame according to claim 4, characterized in that: An elastic member is also provided between the card shaft and the connecting shaft. When the card shaft moves toward the second limiting portion under the action of an external force, the elastic member expands. When the external force on the card shaft disappears, the elastic member contracts and drives the card shaft to move toward the first limiting portion, thereby realizing automatic locking of the card shaft.

6. The foldable wheel frame according to claim 3, characterized in that: The fixing frame is provided with a connecting hole for the connecting shaft to pass through, and the distance between the connecting hole and the first clamping portion is equal to the distance between the connecting hole and the second clamping portion.

7. The foldable wheel frame according to claim 3, characterized in that: A guide edge is formed between the first clamping portion and the second clamping portion, and the connecting shaft switches between the first clamping portion and the second clamping portion along the guide edge.

8. The foldable wheel frame according to claim 2, characterized in that: A roller structure is also provided at one end of the connecting rod away from the fixing frame, and the roller structure is rotatably connected to the connecting rod.

9. A snow sweeper, characterized in that: include: A snowplow body, on which a mounting portion is disposed; A fixing frame is detachably mounted on the mounting portion and is provided with a first clamping portion and a second clamping portion; A wheel frame assembly is rotatably arranged on the fixed frame, the wheel frame assembly has a folded position and an unfolded position relative to the fixed frame, and the wheel frame assembly can be switched between the folded position and the unfolded position, wherein the wheel frame assembly is also provided with a clamping structure; When the wheel frame assembly is in the deployed position, the clamping structure is clamped on the first clamping portion, and the wheel frame assembly extends out of the mounting portion; when the wheel frame assembly is in the folded position, the clamping structure is clamped on the second clamping portion, and the wheel frame assembly is buckled in the mounting portion.

10. A snow sweeper according to claim 9, characterized in that: The mounting portion includes a first accommodating groove and a second accommodating groove, and the fixing frame is detachably assembled in the first accommodating groove. When the wheel frame assembly is in the unfolded position, the clamping structure is clamped on the first clamping portion, and the roller structure of the wheel frame assembly extends out of the second accommodating groove; when the wheel frame assembly is in the folded position, the clamping structure is clamped on the second clamping portion, and the roller structure of the wheel frame assembly is buckled in the second accommodating groove.

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