CN215322800U - Folding cart - Google Patents
Folding cart Download PDFInfo
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- CN215322800U CN215322800U CN202120901311.0U CN202120901311U CN215322800U CN 215322800 U CN215322800 U CN 215322800U CN 202120901311 U CN202120901311 U CN 202120901311U CN 215322800 U CN215322800 U CN 215322800U
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- Prior art keywords
- push rod
- piece
- locking
- operating
- transmission rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 123
- 230000005540 biological transmission Effects 0.000 claims abstract description 84
- 206010061258 Joint lock Diseases 0.000 claims description 15
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/044—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor three wheeled
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Handcart (AREA)
Abstract
The utility model relates to a folding cart with a foldable frame, wherein the frame comprises a front push rod and a rear push rod which are positioned at two sides, the front push rod is rotationally connected with the rear push rod, the folding cart comprises a push rod locking mechanism for rotationally locking the front push rod and the rear push rod, an operating mechanism for locking and unlocking the push rod locking mechanism, and a transmission rod piece for connecting the push rod locking mechanism and the operating mechanism, and when the operating mechanism is rotated, the operating mechanism pushes the transmission rod piece to move to one side close to the push rod locking mechanism and unlocks the push rod locking mechanism. The push rod locking mechanism is arranged to keep the frame stable in the unfolding state, the operating mechanism and the transmission rod assembly are arranged, the unlocking and locking switching of the push rod locking mechanism can be simply and labor-saving realized, the operating locking mechanism in the operating mechanism can lock the operating mechanism, the push rod locking mechanism is prevented from being unlocked due to misoperation, and multiple locking is formed by the mutual matching of a plurality of mechanisms and assemblies.
Description
Technical Field
The utility model relates to a folding cart.
Background
Collapsible carts, such as collapsible strollers, may be collapsed to reduce the size of the cart, thereby facilitating storage and transport of the cart when not in use.
In order to keep the folding carts stable during use, the folding carts are usually provided with a locking mechanism which is locked in a use state and unlocked and thereby folded when not in use.
The locking mechanism of current folding shallow needs both hands to control the unblock, and is very inconvenient, and locking release mechanism is comparatively complicated, takes place the loss easily, need provide simple but durable solution, and this solution is suitable for the shallow of different grade type, is the perambulator very much.
Disclosure of Invention
The utility model aims to provide a folding cart.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a folding cart comprises a frame in an unfolding state and a folding state, a front wheel assembly and a rear wheel assembly, wherein the front wheel assembly and the rear wheel assembly are connected with the frame, the frame comprises side brackets which are respectively positioned at two sides, each side bracket comprises a front push rod, a rear push rod, a first bracket and a second bracket, the rear end part of each front push rod is rotatably connected with the front end part of each rear push rod, one end part of each first bracket is rotatably connected with the corresponding front push rod, one end part of each second bracket is rotatably connected with the corresponding rear push rod, the other end part of each first bracket, the other end part of each second bracket and two parts in the rear wheel assembly are connected, the third part is connected with any one of the two parts, or the three parts are connected with each other,
the folding cart further comprises a push rod locking mechanism for rotationally locking the front push rod and the rear push rod, an operating mechanism for operating the push rod locking mechanism to switch between a locking state and an unlocking state, and a transmission rod assembly arranged between the push rod locking mechanism and the operating mechanism, wherein the push rod locking mechanism is arranged between the front push rod and the rear push rod on the same side, the operating mechanism is positioned between the push rod locking mechanisms on two sides, the operating mechanism can rotate relative to the transmission rod assembly, the operating mechanism comprises an operation locking assembly for rotationally locking the operating mechanism, the transmission rod assembly comprises a transmission rod piece, the transmission rod piece is provided with a first end part and a second end part which are respectively arranged at two ends of the transmission rod piece in the length extension direction, and the first end part of the transmission rod piece is matched with the push rod locking mechanism, the second end of the driving rod is matched with the operating mechanism,
when the operation locking assembly is unlocked, the operation mechanism is rotated, and when the operation mechanism is rotated, the operation mechanism simultaneously drives the transmission rod pieces at two sides to move from the operation mechanism to the direction of the push rod locking mechanism and unlocks the push rod locking mechanism.
Preferably, the operating mechanism further comprises a rotatable operating member, the operating locking assembly locks the operating member in a rotating manner, and the operating member is matched with the second end part of the transmission rod.
Further preferably, the operation locking assembly comprises an operation lock cylinder arranged on the operation member, and an operation unlocking member movably connected to the operation member, wherein the operation unlocking member has a first inclined surface, and one end of the operation lock cylinder has a second inclined surface in sliding fit with the first inclined surface; the transmission rod component also comprises a transmission rod sleeve, the transmission rod sleeve is sleeved on the transmission rod piece,
when the operation locking component is in a locking state: the other end of the operating lock cylinder is positioned in the transmission rod sleeve; when the operational locking assembly is in the unlocked state: the other end of the operating lock cylinder is separated from the transmission rod sleeve; when the operation unlocking piece is pressed, the first inclined surface slides relative to the second inclined surface, and the operation locking assembly is switched between the locking state and the unlocking state.
Still more preferably, the operating mechanism further includes a first elastic member giving an elastic restoring force to the operation unlocking member and a second elastic member giving an elastic restoring force to the operation key cylinder, the first elastic member is disposed between the operation unlocking member and the operating member, and the second elastic member is disposed between the operation key cylinder and the operating member.
Preferably, the operating mechanism is provided with a spiral groove, the second end of the transmission rod extends into the spiral groove, and when the operating mechanism is rotated: the spiral groove drives the transmission rod piece to move between the push rod locking mechanism and the operating mechanism.
Preferably, the driving rod assembly further comprises a third elastic member for giving an elastic restoring force to the driving rod member, and the third elastic member is disposed between the driving rod member and the push rod locking mechanism.
Preferably, the push rod locking mechanism includes a first joint member, a second joint member relatively rotatable with the first joint member, and a push rod lock cylinder, the first joint member is connected to one of the front push rod and the rear push rod, the second joint member is connected to the other of the front push rod and the rear push rod, the first joint member is disposed between the second joint member and the transmission rod member, the first joint member has a first joint lock groove, the second joint member has a second joint lock groove, a first end of the transmission rod member abuts against an end of the push rod lock cylinder, and when the push rod locking mechanism is in a locked state, the push rod lock cylinder is simultaneously located in the first joint lock groove and the second joint lock groove; when the push rod locking mechanism is in an unlocking state: the push rod lock core moves towards the second joint lock groove and is separated from the first joint lock groove.
Preferably, the first joint lock groove is provided with a through hole, and the first end of the transmission rod passes through the through hole and abuts against one end of the push rod lock core.
Further preferably, the push rod locking mechanism further comprises a fourth elastic member giving an elastic reset force to the push rod lock cylinder, and the fourth elastic member is arranged between the push rod lock cylinder and the second knuckle lock groove.
Further preferably, one side of the first joint member is provided with an installation groove, and the other end of the driving rod assembly is inserted into the installation groove.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model can keep the frame stable in the unfolding state by arranging the push rod locking mechanism at the rotating folding position of the folding frame, and then arranging the operating mechanism and the transmission rod assembly, the unlocking and locking switching of the push rod locking mechanism can be simply and laborsavingly realized, the operating locking mechanism in the operating mechanism can lock the operating mechanism, and the unlocking of the push rod locking mechanism caused by misoperation is avoided, so that the danger is caused, multiple locking is formed by the mutual matching of a plurality of mechanisms and assemblies, the unfolding state of the frame is more stable and safer, and meanwhile, the unlocking of the frame is more laborsaving through multiple transmission.
Drawings
Fig. 1 is a schematic perspective view of the folding cart in this embodiment with the frame in an unfolded state;
FIG. 2 is a side view of the folding cart in this embodiment with the frame in an expanded position;
FIG. 3 is a cross-sectional view of the cross-section A-A of FIG. 2;
fig. 4 is a schematic perspective view of the foldable stroller in the present embodiment, wherein the frame is in an intermediate state between the unfolded state and the folded state;
FIG. 5 is a side view of the folding cart in this embodiment with the frame in an intermediate position between an unfolded position and a folded position;
FIG. 6 is a cross-sectional view of the cross-section B-B of FIG. 5;
FIG. 7 is a perspective view of the foldable stroller in this embodiment with the frame in a folded position;
FIG. 8 is a side view of the folding cart of this embodiment with the frame in a folded position;
FIG. 9 is a schematic perspective view of the push rod locking mechanism, the operating mechanism, the transmission rod assembly and the mounting rod of the present embodiment;
FIG. 10 is a disassembled elevational view of the push rod locking mechanism, operating mechanism, drive rod assembly and mounting rod of the present embodiment.
In the above drawings: 11. a front push rod; 12. a rear push rod; 13. a first bracket; 14. a second bracket; 15. a front wheel assembly; 16. a rear wheel assembly; 21. an operating member; 211. a helical groove; 22. operating the unlocking member; 221. a first inclined plane; 23. operating the lock cylinder; 231. a second inclined plane; 24. a first elastic member; 25. a second elastic member; 31. a driving rod member; 32. a drive rod sleeve; 33. a third elastic member; 41. a first joint member; 411. a first knuckle keyway; 412. a through hole; 413. mounting grooves; 42. a second joint member; 421. a second knuckle lock groove; 43. a push rod lock cylinder; 44. a fourth elastic member; 5. and (5) installing a rod.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, 2, 4, 5, 7, and 8, a foldable stroller, such as a baby stroller, includes a frame having an unfolded state and a folded state, a front wheel assembly 15 and a rear wheel assembly 16 connected to the frame, the frame includes side brackets respectively located at two sides, the side brackets include a front push rod 11, a rear push rod 12, a first bracket 13, and a second bracket 14, front end portions of the front push rods 11 at two sides are connected to the front wheel assembly 15 together, in this embodiment, one front wheel assembly 15 is provided, a rear end portion of the front push rod 11 is rotatably connected to a front end portion of the rear push rod 12 at the same side, and the rear push rods 12 at two sides are connected to each other through a transverse connecting rod integrally provided with the rear push rod; one end of the first bracket 13 is rotatably connected with the same-side front push rod 11, one end of the second bracket 14 is rotatably connected with the same-side rear push rod 12, the other end of the first bracket 13 and the other end of the second bracket 14 on the same side are both connected with the rear wheel assembly 16, or the other end of the first bracket 13 on the same side is connected with the rear wheel assembly 16, the other end of the second bracket 14 is connected with the first bracket 13, or the other end of the second bracket 14 on the same side is connected with the rear wheel assembly 16, and the other end of the first bracket 13 is connected with the second bracket 14. In the present embodiment, the folding cart is a three-wheeled cart, and when the frame is placed on a flat ground in the unfolded state, one end of the first bracket 13 is an upper end thereof, and the other end thereof is a lower end thereof, and one end of the second bracket 14 is an upper end thereof, and the other end thereof is a lower end thereof.
As shown in fig. 3, 6, 9 and 10, the folding cart further comprises a push rod locking mechanism for rotationally locking the front push rod 11 and the rear push rod 12, an operating mechanism for operating the push rod locking mechanism to switch between a locked state and an unlocked state, a drive rod assembly disposed between the push rod locking mechanism and the operating mechanism, and the mounting rod 5. The front push rod 11 and the rear push rod 12 are rotatably connected through push rod locking mechanisms connected with the front push rod and the rear push rod, the mounting rod 5 is arranged between the push rod locking mechanisms on the two sides, and the transmission rod assembly and the operating mechanism are arranged on the mounting rod 5. The transmission rod assembly comprises a transmission rod sleeve 32 fixedly arranged on the mounting rod 5 and a transmission rod piece 31 movably arranged in the transmission rod sleeve 32, wherein the transmission rod piece 31 is provided with a first end part and a second end part which are respectively arranged at two end parts in the length extension direction of the transmission rod piece 31, the first end part of the transmission rod piece 31 is matched with the push rod locking mechanism, and the second end part of the transmission rod piece 31 is matched with the operating mechanism. The operating mechanism is only provided with one and is located in the middle of the installation rod 5, the two sides of the operating mechanism are both provided with a transmission rod component and a push rod locking mechanism, the operating mechanism rotates around the installation rod 5, the rotating direction is as shown in figure 1, the operating mechanism can push the transmission rod components 31 at the two sides to move towards the two sides, the transmission rod components 31 move towards the direction of the push rod locking mechanism close to the same side, the push rod locking mechanism is unlocked after the transmission rod components 31 move, the unfolding state of the frame is unlocked, the frame can be folded, and the push rod locking mechanism is in the unlocking state when the frame is folded and folded. In this embodiment, when the frame is unfolded and placed on a flat ground, the left-hand side is left, the right-hand side is right, the first end of the left-side transmission rod member 31 is located on the left and the second end is located on the right, the first end of the right-side transmission rod member 31 is located on the right and the second end is located on the left, the left-side transmission rod member 31 is moved leftward to unlock the left-side push rod locking mechanism, and the right-side transmission rod member 31 is moved rightward to unlock the right-side push rod locking mechanism.
In the present embodiment, the operating mechanism includes an operating member 21 (i.e., a hand grip seat), and an operation locking assembly provided on the operating member 21, the operating member 21 is engaged with the operating member 21, the operating member 21 is rotated, the operating member 21 pushes the transmission link 31 to move toward the push-bar locking mechanism, the operation locking assembly is used to lock and unlock the rotation of the operating member 21, and the operating member 21 can start rotating only after the operating member 21 is unlocked by the operation locking assembly.
The operation locking assembly includes an operation unlocking piece 22 (i.e., a pressing knob) and an operation key cylinder 23, which are inserted on the operation piece 21, and the pressing operation of the unlocking piece 22 (the pressing direction is perpendicular to the axial direction of the mounting rod 5) moves the operation key cylinder 23 to unlock the rotation of the operation piece 21. When the operation locking component locks the operation piece 21, the other end part of the operation lock core 23 is inserted into the transmission rod sleeve 32, and the operation piece 21 and the transmission rod sleeve 32 are both provided with grooves for inserting the operation lock core 23; when the unlocking member 22 is operated to unlock the operating member 21, the operating key 23 is moved further into the operating member 21, and the other end portion of the operating key 23 is moved out of the lever sleeve 32. The operating member 21 has a first inclined surface 221, one end of the operating key 23 has a second inclined surface 231 matched with the first inclined surface, when the unlocking member 22 is pressed, the first inclined surface 221 and the second inclined surface 231 are matched and slide, so that the operating key 23 moves towards the direction vertical to the pressing direction, and the other end of the operating key 23 moves out of the transmission rod sleeve 32. The operating mechanism further includes a first elastic member 24 and a second elastic member 25, in this embodiment, springs are used, the first elastic member 24 is connected between the operation unlocking member 22 and the operating member 21, the first elastic member 24 always gives an elastic force for resetting and bouncing the pressed operation unlocking member 22, the second elastic member 25 is connected between the operation key cylinder 23 and the operating member 21, the second elastic member 25 always gives an elastic force for resetting the operation key cylinder 23 (so that the other end of the operation key cylinder 23 is inserted back into the transmission rod sleeve 32), and a blocking portion is provided between the operation unlocking member 22 and the operating member 21 to prevent the operation unlocking member 22 from bouncing out of the operating member 21 after being reset.
The operating member 21 is provided with a spiral groove 211, the second end of the transmission rod 31 penetrates through the transmission rod sleeve 32 and then is inserted into the spiral groove 211, the spiral direction of the spiral groove 211 is arranged along the rotating direction of the operating member 21, the depth of the spiral groove 211 is gradually deepened along the rotating direction, and when the operating member 21 rotates, the second end of the transmission rod 31 moves from the deeper groove to the shallower groove, so that the operating member 21 pushes the transmission rod 31 to move to one side of the push rod locking mechanism.
The push rod locking mechanism comprises a first joint part 41, a second joint part 42 and a push rod lock core 43. The first joint member 41 and the second joint member 42 are rotatably connected, one of the first joint member 41 and the second joint member 42 is connected with the front push rod 11, the other one of the first joint member 41 and the second joint member 42 is connected with the rear push rod 12 (in this embodiment, the first joint member 41 is connected with the rear end of the front push rod 11, and the second joint member 42 is connected with the front end of the rear push rod 12), the first joint member 41 is arranged between the transmission rod assembly and the second joint member 42, one side of the first joint member 41 connected with the transmission rod assembly is provided with a mounting groove 413, and the other end of the transmission rod assembly and the end of the mounting rod 5 are inserted into the mounting groove 413 and connected with the mounting groove 413. The driving rod assembly further includes a third elastic member 33, in this embodiment, a spring is used, the third elastic member 33 is connected between the driving rod 31 and the mounting groove 413, and the third elastic member 33 always gives an elastic force for resetting the driving rod 31 (moving the first end of the driving rod 31 away from the push rod locking mechanism). The first joint member 41 has a first joint locking groove 411 on the side connected to the second joint member 42, and the second joint member 42 has a second joint locking groove 421 on the side connected to the first joint member 41. When the push rod locking mechanism is in a locked state, the push rod lock cylinder 43 is simultaneously positioned in the first joint lock groove 411 and the second joint lock groove 421, so that the first joint part 41 and the second joint part 42 cannot relatively rotate, and the frame is in an unfolded state; when the push rod locking mechanism is in the unlocked state, the push rod lock cylinder 43 moves out of the first joint lock slot 411, and the first joint member 41 and the second joint member 42 can rotate relatively. The first end of the driving rod 31 abuts against one end of the push rod lock cylinder 43, and when the operating member 21 pushes the driving rod 31 to move towards the side of the push rod locking mechanism, the first end of the driving rod 31 pushes the push rod lock cylinder 43, so that one end of the push rod lock cylinder 43 moves outwards until moving out of the first joint lock slot 411. The first joint member 41 is provided with a through hole 412, the mounting groove 413 is communicated with the first joint locking groove 411 through the through hole 412, and the second end of the transmission rod member 31 passes through the through hole 412 to abut against the push rod lock core 43. The push rod locking mechanism further includes a fourth elastic member 44, which is a spring in this embodiment, the fourth elastic member 44 is connected between the push rod lock cylinder 43 and the second joint member 42, and the fourth elastic member 44 always gives an elastic force for restoring the push rod lock cylinder 43 (inserting one end portion of the push rod lock cylinder 43 back into the first joint lock groove 411).
The working principle of the present embodiment is specifically described as follows:
when the frame is in an unfolding state, the unlocking piece 22 is pressed to operate, the unlocking piece 22 and the operation lock cylinder 23 are matched to unlock the operation piece 21, then the operation piece 21 is rotated, the operation piece 21 and the transmission rod piece 31 are matched to push the transmission rod piece 31, the pushed transmission rod piece 31 moves to one side of the push rod locking mechanism, the transmission rod piece 31 pushes the push rod lock cylinder 43 to unlock the push rod locking mechanism, the frame can be folded from the unfolding state to the folding state, and when the frame is unfolded from the folding state to the unfolding state, the first elastic piece 24, the second elastic piece 25, the third elastic piece 33 and the fourth elastic piece 44 release elastic force, and all parts are reset and reset to the locking state.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a folding cart, including the frame that has expansion state and fold condition, with the front wheel subassembly and the rear wheel subassembly that the frame is connected, the frame including the side branch frame that is located both sides respectively, the side branch frame include preceding push rod, back push rod, first support, second support, the back tip of preceding push rod with the preceding tip of back push rod rotate to be connected, one end of first support with preceding push rod rotate to be connected, one end of second support with back push rod rotate to be connected, another tip of first support, another tip of second support, two parts in the rear wheel subassembly be connected, the third part is connected with any one of the aforesaid two parts, or above-mentioned three part interconnect, its characterized in that:
the folding cart further comprises a push rod locking mechanism for rotationally locking the front push rod and the rear push rod, an operating mechanism for operating the push rod locking mechanism to switch between a locking state and an unlocking state, and a transmission rod assembly arranged between the push rod locking mechanism and the operating mechanism, wherein the push rod locking mechanism is arranged between the front push rod and the rear push rod on the same side, the operating mechanism is positioned between the push rod locking mechanisms on two sides, the operating mechanism can rotate relative to the transmission rod assembly, the operating mechanism comprises an operation locking assembly for rotationally locking the operating mechanism, the transmission rod assembly comprises a transmission rod piece, the transmission rod piece is provided with a first end part and a second end part which are respectively arranged at two ends of the transmission rod piece in the length extension direction, and the first end part of the transmission rod piece is matched with the push rod locking mechanism, the second end of the driving rod is matched with the operating mechanism,
when the operation locking assembly is unlocked, the operation mechanism is rotated, and the operation mechanism simultaneously drives the transmission rod pieces at two sides to move from the operation mechanism to the direction of the push rod locking mechanism and unlocks the push rod locking mechanism.
2. The folding cart of claim 1, wherein: the operating mechanism further comprises a rotatable operating piece, the operating locking assembly locks the operating piece in a rotating mode, and the operating piece is matched with the second end portion of the transmission rod piece.
3. The folding cart of claim 2, wherein: the operation locking assembly comprises an operation lock cylinder arranged on the operation piece and an operation unlocking piece movably connected to the operation piece, the operation unlocking piece is provided with a first inclined surface, and one end part of the operation lock cylinder is provided with a second inclined surface in sliding fit with the first inclined surface; the transmission rod component also comprises a transmission rod sleeve, the transmission rod sleeve is sleeved on the transmission rod piece,
when the operation locking component is in a locking state: the other end of the operating lock cylinder is positioned in the transmission rod sleeve; when the operational locking assembly is in the unlocked state: the other end of the operating lock cylinder is separated from the transmission rod sleeve; when the operation unlocking piece is pressed, the first inclined surface slides relative to the second inclined surface, and the operation locking assembly is switched between the locking state and the unlocking state.
4. The folding cart of claim 3, wherein: the operating mechanism further comprises a first elastic piece giving elastic resetting force to the operation unlocking piece and a second elastic piece giving elastic resetting force to the operation lock cylinder, the first elastic piece is arranged between the operation unlocking piece and the operating piece, and the second elastic piece is arranged between the operation lock cylinder and the operating piece.
5. The folding cart of claim 1, wherein: the operating mechanism is provided with a spiral groove, the second end part of the transmission rod piece extends into the spiral groove, and when the operating mechanism is rotated: the spiral groove drives the transmission rod piece to move between the push rod locking mechanism and the operating mechanism.
6. The folding cart of claim 1, wherein: the transmission rod assembly further comprises a third elastic piece giving elastic resetting force to the transmission rod piece, and the third elastic piece is arranged between the transmission rod piece and the push rod locking mechanism.
7. The folding cart of claim 1, wherein: the push rod locking mechanism comprises a first joint part, a second joint part and a push rod lock core, wherein the second joint part can rotate relative to the first joint part, the first joint part is connected to one of the front push rod and the rear push rod, the second joint part is connected to the other of the front push rod and the rear push rod, the first joint part is arranged between the second joint part and the transmission rod piece, the first joint part is provided with a first joint locking groove, the second joint part is provided with a second joint locking groove, the first end part of the transmission rod piece is abutted against one end part of the push rod lock core, and when the push rod locking mechanism is in a locking state, the push rod lock core is simultaneously positioned in the first joint locking groove and the second joint locking groove; when the push rod locking mechanism is in an unlocking state: the push rod lock core moves towards the second joint lock groove and is separated from the first joint lock groove.
8. The folding cart of claim 7, wherein: the first joint locking groove is provided with a through hole, and the first end part of the transmission rod piece penetrates through the through hole to be abutted against one end part of the push rod lock core.
9. The folding cart of claim 7, wherein: the push rod locking mechanism further comprises a fourth elastic piece giving elastic resetting force to the push rod lock cylinder, and the fourth elastic piece is arranged between the push rod lock cylinder and the second joint lock groove.
10. The folding cart of claim 7, wherein: one side of the first joint piece is provided with a mounting groove, and the other end of the transmission rod assembly is inserted into the mounting groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021101538327 | 2021-02-04 | ||
| CN202110153832 | 2021-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215322800U true CN215322800U (en) | 2021-12-28 |
Family
ID=77277524
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110466443.XA Active CN113276929B (en) | 2021-02-04 | 2021-04-28 | Baby carriage |
| CN202120901311.0U Active CN215322800U (en) | 2021-02-04 | 2021-04-28 | Folding cart |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110466443.XA Active CN113276929B (en) | 2021-02-04 | 2021-04-28 | Baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113276929B (en) |
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| TW535768U (en) * | 2001-12-24 | 2003-06-01 | Link Treasure Ltd | One hand control mechanism with safety device for stroller |
| CN2579763Y (en) * | 2002-07-08 | 2003-10-15 | 蔚冠工业股份有限公司 | Folding operating device for baby cart skeleton |
| CN2626815Y (en) * | 2003-03-28 | 2004-07-21 | 米信希尔斯投资公司 | Control device for retracting barrow |
| CN2730360Y (en) * | 2004-09-14 | 2005-10-05 | 中山市隆成日用制品有限公司 | Structure for folding old-person walking-aid vehicle by one hand |
| TWM276762U (en) * | 2005-04-21 | 2005-10-01 | Link Treasure Ltd | Single-hand operable folding structure of stroller |
| EP2871112B1 (en) * | 2013-11-01 | 2017-10-11 | Thule Child Transport Systems Ltd | Foldable carriage |
| CN208453074U (en) * | 2018-02-08 | 2019-02-01 | 金华兰贝婴童用品有限公司 | One kind lifting convenient Novel baby cart |
| CN210941924U (en) * | 2019-09-02 | 2020-07-07 | 浙江宝缔婴童用品制造有限公司 | Baby handcart device |
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2021
- 2021-04-28 CN CN202110466443.XA patent/CN113276929B/en active Active
- 2021-04-28 CN CN202120901311.0U patent/CN215322800U/en active Active
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| Publication number | Publication date |
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| CN113276929A (en) | 2021-08-20 |
| CN113276929B (en) | 2022-08-02 |
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