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CN-224210839-U - Quick-dismantling device for wheels and trolley

CN224210839UCN 224210839 UCN224210839 UCN 224210839UCN-224210839-U

Abstract

The utility model discloses a quick-dismantling device for wheels and a handcart, which comprises a mounting seat, a pressing piece and a pressing piece, wherein the mounting seat is provided with a first cavity and a second cavity, the first cavity is used for connecting a connecting shaft of a frame, the connecting shaft can extend into the second cavity, the pressing piece is arranged in the second cavity and can move in the second cavity, the pressing piece can reciprocate along the extending direction of an axis of the second cavity, the pressing piece is provided with a lock shaft assembly, the lock shaft assembly can fix the connecting shaft on the mounting seat, when the pressing piece is close to the first cavity, the pressing piece can enable the lock shaft assembly to be in an unlocking state, the connecting shaft is unlocked from the wheels, and when the pressing piece is far away from the first cavity, the pressing piece can enable the lock shaft assembly to be in a locking state, and the connecting shaft is locked from the wheels. The handcart comprises a quick-dismantling device, a frame provided with a connecting shaft and wheels, wherein the quick-dismantling device is fixed on hubs of the wheels, and the connecting shaft is connected with the quick-dismantling device.

Inventors

  • LIANG WEIXIAN

Assignees

  • 江门市新会区沃昌工贸有限公司

Dates

Publication Date
20260508
Application Date
20250519

Claims (10)

  1. 1. A quick release device for a wheel, comprising: The mounting seat is provided with a first cavity and a second cavity, the first cavity is communicated with the second cavity, the first cavity is used for being connected with a connecting shaft of the frame, and the connecting shaft can extend into the second cavity; The pressing piece is arranged in the second cavity, the pressing piece can move back and forth along the extending direction of the axis of the second cavity, the pressing piece is provided with a lock shaft assembly, and the lock shaft assembly can fix the connecting shaft on the mounting seat; When the pressing piece is close to the first cavity, the pressing piece can enable the lock shaft assembly to be in an unlocking state, and the connecting shaft is unlocked with the wheels; When the pressing piece is far away from the first cavity, the pressing piece can enable the lock shaft assembly to be in a locking state, and the connecting shaft and the wheel are locked.
  2. 2. The quick release device for a vehicle wheel according to claim 1, wherein the lock shaft assembly is composed of two lock bars, the lock bars are connected with the pressing piece, and the pressing piece can drive the lock bars to be close to or far away from the connecting shaft when being close to or far away from the first cavity, so that the connecting shaft is locked or unlocked with the vehicle wheel.
  3. 3. The quick release device for a vehicle wheel according to claim 2, wherein the second cavity is provided with locking grooves, two locking grooves are arranged in mirror image, two locking bars are respectively connected with the two locking grooves correspondingly, and the locking grooves are provided with a locking part and an unlocking part; When the pressing piece is close to the first cavity, the locking rod can be driven to move from the locking part to the unlocking part; When the pressing piece is far away from the first cavity, the locking rod can be driven to move from the unlocking part to the locking part.
  4. 4. A quick release device for a vehicle wheel according to claim 3, wherein the pressing member is provided with a guide groove, and the lock lever sequentially penetrates the lock groove and the guide groove.
  5. 5. The quick release apparatus for a vehicle wheel of claim 4, wherein said guide slot is disposed at an angle to said locking slot.
  6. 6. The quick release device for a vehicle wheel according to claim 1, wherein a first positioning groove is formed in an inner wall of the second cavity, a first positioning block is formed in an outer wall of the pressing piece, and the first positioning groove is inserted into the first positioning block.
  7. 7. The quick release device for a vehicle wheel according to claim 1, wherein the second chamber is provided with a return spring, one end of which abuts against the bottom of the second chamber, and the other end abuts against the bottom of the pressing member.
  8. 8. A trolley comprising a quick release device for wheels according to any one of claims 1 to 7; the frame is provided with a connecting shaft, and the end part of the connecting shaft is provided with a connecting groove; the wheel, quick detach device is fixed in on the wheel's the wheel hub, the connecting axle with quick detach device is connected, the lock axle subassembly with the spread groove is connected.
  9. 9. The trolley of claim 8, wherein the hub is provided with a mounting cavity, a second positioning groove is formed in an inner wall of the mounting cavity, a second positioning block is formed in an outer wall of the mounting seat, and the second positioning groove is spliced with the second positioning block.
  10. 10. A trolley according to claim 9, wherein the mounting cavity is provided with a clamping groove, and the outer wall of the mounting seat is provided with a buckle, and the buckle is connected with the clamping groove in a matching manner.

Description

Quick-dismantling device for wheels and trolley Technical Field The utility model relates to the technical field of handcart production, in particular to a quick-dismantling device for wheels and a handcart. Background The trolley is a manually pushed and pulled carrying vehicle, and is an ancestor of all vehicles. While cart material handling technology is continually evolving, carts continue to be used as an integral handling tool. The handcart has wide application in production and life because of low cost, simple maintenance, convenient operation and light dead weight, can work in places where motor vehicles are inconvenient to use, and is very convenient when carrying lighter articles in short distance. In life, people generally need to store the trolley to avoid occupying space when the trolley is not used, but at present, even if some trolleys can be folded, the wheels are not detachable or the wheels are inconvenient to detach, so that even after the trolley body is folded, more space is still occupied due to inconvenient detachment of the wheels. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a quick-dismantling device for wheels and a handcart, wherein the handcart is provided with the quick-dismantling device, so that the wheels of the handcart can be quickly dismantled, and the structure is simple and practical. In a first aspect, a quick release device for a wheel according to an embodiment of the present utility model includes: The mounting seat is provided with a first cavity and a second cavity, the first cavity is communicated with the second cavity, the first cavity is used for being connected with a connecting shaft of the frame, and the connecting shaft can extend into the second cavity; The pressing piece is arranged in the second cavity, the pressing piece can move in the second cavity, the pressing piece can reciprocate along the extending direction of the axis of the second cavity, the pressing piece is provided with a lock shaft assembly, and the lock shaft assembly can fix the connecting shaft on the mounting seat; when the pressing piece is close to the first cavity, the pressing piece can enable the lock shaft assembly to be in an unlocking state, and the connecting shaft is unlocked with the wheels; When the pressing piece is far away from the first cavity, the pressing piece can enable the lock shaft assembly to be in a locking state, and the connecting shaft and the wheels are locked. The quick-dismantling device for the wheels has the advantages that the quick-dismantling device can realize quick dismantling of the connecting shaft and the wheels by operating the pressing piece. Specifically, the mount pad contains first cavity and second cavity, and the connecting axle of frame is connected to first cavity, and the presser can follow axis reciprocating motion in the second cavity to through lock axle subassembly fixed connection axle. When the user operates the pressing piece, the piece axially moves, so that the lock shaft assembly locks or unlocks the connecting shaft, the wheel and the frame are disassembled and assembled, the user can finish the operation without additional tools, and the structure is simple and practical. According to the quick-release device for the wheels, the lock shaft assembly is composed of two lock rods, the lock rods are connected with the pressing pieces, and the pressing pieces can drive the lock rods to be close to or far from the connecting shafts when being close to or far from the first cavity, so that the connecting shafts and the wheels can be locked or unlocked. According to the quick-release device for the wheels, disclosed by the embodiment of the utility model, the second cavity is provided with the locking grooves, the two locking grooves are arranged in a mirror image manner, the two locking bars are respectively and correspondingly connected with the two locking grooves, and the locking grooves are provided with locking parts and unlocking parts; The pressing piece can drive the lock rod to move from the locking part to the unlocking part when approaching the first cavity, and can drive the lock rod to move from the unlocking part to the locking part when being far away from the first cavity. According to the quick-release device for the wheels, disclosed by the embodiment of the utility model, the pressing piece is provided with the guide groove, and the lock rod sequentially penetrates through the lock groove and the guide groove. According to the quick-release device for the wheels, disclosed by the embodiment of the utility model, the included angle between the guide groove and the locking groove is set. According to the quick-release device for the wheels, provided by the embodiment of the utility model, the inner wall of the second cavity is provided with the first positioning groove, the outer wall of