CN215971712U - Folding cart frame - Google Patents
Folding cart frame Download PDFInfo
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- CN215971712U CN215971712U CN202121671435.0U CN202121671435U CN215971712U CN 215971712 U CN215971712 U CN 215971712U CN 202121671435 U CN202121671435 U CN 202121671435U CN 215971712 U CN215971712 U CN 215971712U
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- rod assembly
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Abstract
The utility model provides a folding cart frame, which comprises a front foot bar assembly, a rear foot bar assembly and a push rod assembly, wherein the front foot bar assembly is hinged with the rear foot bar assembly; this folding shallow frame need not too much manual effort and can accomplish when folding accomodating, and convenient to use person is folding fast.
Description
Technical Field
The utility model relates to the technical field of folding of a trolley, in particular to a folding trolley frame.
Background
At present, the stroller frame structures on the market are various, and in order to facilitate the storage or the carrying out of a user, the stroller frame gradually derives the folding function.
In the existing folding frame, the frame still needs to be manually broken with force by a user when folded, and users (women and old people) with weak strength are difficult to manually break with force, so that the folding frame is not easy to fold, and the use experience is poor.
Therefore, it is necessary to provide a foldable stroller frame to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a foldable stroller frame to solve the above problems.
The utility model is realized by the following technical scheme:
the utility model provides a folding cart frame, which comprises a front foot bar component, a rear foot bar component and a push rod component, wherein the front foot bar component is hinged with the rear foot bar component, the push rod component is hinged with the front foot bar component, the push rod component comprises a fixed rod, a sliding rod, a gear and a first rack, the fixed rod is hinged with the front foot bar component, the sliding rod is connected with the fixed rod in a sliding way, the gear is connected with the fixed rod in a rotating way, the first rack is connected with the fixed rod in a sliding way and is meshed with the gear, the sliding rod is provided with a second rack and a fixed plate, the second rack is meshed with the gear, the fixed plate is partially accommodated in the front foot bar component, the sliding rod is pulled to slide relative to the fixed rod to drive the second rack to slide so as to drive the gear to rotate, and the first rack slides to push the front foot bar component to rotate, to fold the push rod assembly, the front foot rod assembly, and the rear foot rod assembly.
Further, the push rod assembly comprises a clamping block, a traction rope and a pressing piece, a fixing hole is formed in the fixing rod, the clamping block is slidably connected with the sliding rod, part of the clamping block is contained in the fixing hole and abutted against the hole wall of the fixing hole, one end of the traction rope is fixedly connected with the clamping block, the other end of the traction rope is fixedly connected with the pressing piece, the pressing piece is movably connected with the sliding rod, the pressing piece is far away from the clamping block, and the pressing piece can drive the traction rope to pull the clamping block to slide and separate from the fixing hole.
Furthermore, the push rod assembly comprises a first elastic piece, one end of the first elastic piece is abutted against the sliding rod, and the other end of the first elastic piece is abutted against the pressing piece.
Furthermore, the front foot bar assembly comprises a front foot frame, a second elastic piece and a supporting plate, one end of the second elastic piece is fixedly connected with the front foot frame, the other end of the second elastic piece is fixedly connected with one end of the supporting plate, the other end of the supporting plate is hinged with the front foot frame, and the fixing plate is abutted to the supporting plate.
Furthermore, the supporting plate is provided with a containing groove, and the fixing plate is partially contained in the containing groove.
Furthermore, a pushing boss is arranged at one end of the first rack and is abutted against the front foot frame.
Furthermore, the folding cart frame comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the front foot frame, the other end of the first connecting rod is hinged to one end of the second connecting rod, and the other end of the second connecting rod is hinged to the rear foot rod assembly.
Further, the front foot bar assembly includes a front wheel rotatably coupled to the front foot frame.
Furthermore, one end of the rear foot rod component is provided with a rear wheel for supporting.
The utility model has the beneficial effects that:
the utility model provides a folding cart frame.A user only needs to press a pressing piece when folding, at the moment, the pressing piece drives a traction rope to pull a clamping block to slide and separate from a fixed hole, the user pulls a sliding rod backwards to drive a second rack to slide and further drive a gear to rotate, the gear rotates to drive a first rack to slide towards the opposite direction of the sliding of the second rack, so that a front foot bar assembly is pushed to rotate, and at the moment, the front foot bar assembly and a push rod assembly rotate towards the direction of a rear foot bar assembly to fold; in conclusion, this folding shallow frame need not too much manual effort and can accomplish when folding and accomodating, and convenient to use person is folding fast.
Drawings
Fig. 1 is an overall schematic view of a frame of a folding stroller according to the present invention;
FIG. 2 is another perspective view of the frame of the foldable stroller of the present invention;
FIG. 3 is a schematic view of the frame of the foldable stroller of the present invention when folded;
FIG. 4 is a cross-sectional view of the frame of the folding cart of the present invention as folded;
fig. 5 is a cross-sectional view of a frame of the folding cart according to the present invention;
FIG. 6 is an enlarged partial view of FIG. 4 labeled A;
fig. 7 is a partially enlarged view of reference numeral B in fig. 5.
Detailed Description
In order to more clearly and completely explain the technical scheme of the utility model, the utility model is further explained with reference to the attached drawings.
Referring to fig. 1-7, the present invention provides a foldable stroller frame, including a front leg assembly 1, a rear leg assembly 2, and a push rod assembly 3, wherein the front leg assembly 1 is hinged to the rear leg assembly 2, the push rod assembly 3 is hinged to the front leg assembly 1, the push rod assembly 3 includes a fixing rod 31, a sliding rod 32, a gear 33, and a first rack 34, the fixing rod 31 is hinged to the front leg assembly 1, the sliding rod 32 is slidably connected to the fixing rod 31, the gear 33 is rotatably connected to the fixing rod 31, the first rack 34 is slidably connected to the fixing rod 31 and engaged with the gear 33, the sliding rod 32 is provided with a second rack 321 and a fixing plate 322, the second rack 321 is engaged with the gear 33, the fixing plate 322 is partially accommodated in the front leg assembly 1, the sliding rod 32 is pulled to slide relative to the fixing rod 31 to drive the second rack 321 to slide so as to drive the gear 33 to rotate, so that the first rack 34 slidably pushes the front leg assembly 1 to rotate, to fold the push rod assembly 3, the front foot rod assembly 1, and the rear foot rod assembly 2; the push rod assembly 3 comprises a fixture block 35, a traction rope 36 and a pressing piece 37, a fixing hole 311 is formed in the fixing rod 31, the fixture block 35 is in sliding connection with the sliding rod 32, part of the fixture block 35 is accommodated in the fixing hole 311 and is abutted against the wall of the fixing hole 311, one end of the traction rope 36 is fixedly connected with the fixture block 35, the other end of the traction rope 36 is fixedly connected with the pressing piece 37, the pressing piece 37 is movably connected with the sliding rod 32, the pressing piece 37 is far away from the fixture block 35, and the pressing piece 37 can drive the traction rope 36 to pull the fixture block 35 to slide and be separated from the fixing hole 311; the push rod assembly 3 includes a first elastic member 38, one end of the first elastic member 38 abuts against the slide rod 32, and the other end of the first elastic member 38 abuts against the pressing member 37.
In the present embodiment:
the front foot bar component 1 is used for supporting the front part position of the frame of the folding cart;
the rear foot bar component 2 is used for supporting the rear part of the frame of the folding cart;
the push rod component 3 is used for providing a structure for a user to grasp the frame of the folding cart;
the fixed rod 31 is used for providing a sliding support structure for the sliding rod 32;
the number of the fixing holes 311 is 2, the 2 fixing holes 311 are sequentially arranged, the first fixing hole 311 is close to the position where the fixing rod 31 is hinged to the front foot lever assembly 1, the second fixing hole 311 is far away from the position where the fixing rod 31 is hinged to the front foot lever assembly 1, the first fixing hole 311 and the second fixing hole 311 are both used for providing a structure for placing the fixture block 35, so that the fixture block 35 can be supported and fixed by the hole wall of the fixing hole 311, when the folding cart frame is unfolded, the fixture block 35 is partially accommodated in the first fixing hole 311, and when the folding cart frame is folded, the fixture block 35 is partially accommodated in the second fixing hole 311;
the sliding rod 32 is used to provide a connecting structure for the second rack 321, and also provides a pulling structure for the user;
the second rack 321 is used for driving the gear 33
The fixing plate 322 is used to provide a supporting structure for the push rod assembly 3 when it is unfolded;
the gear 33 is used for transmitting the power of the second rack 321;
the first rack 34 is used for acquiring the force of the gear 33 and pushing the front foot rod assembly 1 out;
the latch 35 is a structure for providing a limit position for the slide lever 32;
the pulling rope 36 is used for connecting the pressing piece 37 and the fixture block 35;
the pressing piece 37 is used for pressing and pulling the pulling rope 36;
the first elastic member 38 is a spring for providing an elastic support structure to the pressing member 37;
specifically, when the folding cart frame is folded, a user only needs to press the pressing piece 37, at this time, the pressing piece 37 drives the traction rope 36 to pull the fixture block 35 to slide away from the fixing hole 311, the user pulls the sliding rod 32 backwards to drive the second rack 321 to slide, and further drives the gear 33 to rotate, the gear 33 rotates to drive the first rack 34 to slide towards the opposite direction of the sliding of the second rack 321, and further pushes the front foot bar assembly 1 to rotate, and at this time, the front foot bar assembly 1 and the push rod assembly 3 both rotate towards the direction of the rear foot bar assembly 2 to fold;
in conclusion, this folding shallow frame need not too much manual effort and can accomplish when folding and accomodating, and convenient to use person is folding fast.
Further, the front foot rod assembly 1 comprises a front foot frame 11, a second elastic piece 12 and a supporting plate 13, wherein one end of the second elastic piece 12 is fixedly connected with the front foot frame 11, the other end of the second elastic piece 12 is fixedly connected with one end of the supporting plate 13, the other end of the supporting plate 13 is hinged with the front foot frame 11, and the fixing plate 322 is abutted to the supporting plate 13; the supporting plate 13 is provided with a receiving groove 131, and the fixing plate 322 is partially received in the receiving groove 131.
In the present embodiment:
the front foot rest 11 is used for supporting the frame of the folding trolley;
the second elastic member 12 is a spring for providing an elastic support structure for the support plate 13;
the supporting plate 13 is used for providing a stable connecting structure for the fixing plate 322;
the receiving groove 131 is used for providing a space for placing the fixing plate 322;
specifically, when the frame of the foldable stroller is unfolded, a part of the fixing plate 322 is inserted into the receiving groove 131 of the support plate 13.
Further, a pushing boss 341 is disposed at one end of the first rack 34, and the pushing boss 341 abuts against the front foot frame 11.
In the present embodiment:
the pushing boss 341 is used to provide a structure for the first rack 34 to push the front foot lever assembly 1.
Furthermore, folding shallow frame includes head rod 4 and second connecting rod 5, and head rod 4 one end is articulated with preceding foot rest 11, and the head rod 4 other end is articulated with 5 one end of second connecting rod, and the 5 other ends of second connecting rod are articulated with back foot pole subassembly 2.
In the present embodiment:
the first connecting rod 4 and the second connecting rod 5 are link mechanisms for keeping a distance from the rear foot bar assembly 2 when the front foot bar assembly 1 is unfolded.
Further, the front foot bar assembly 1 comprises a front wheel 14, wherein the front wheel 14 is rotatably connected with the front foot frame 11; one end of the rear foot bar component 2 is provided with a rear wheel 21 for supporting.
In the present embodiment:
the front wheels 14 and the rear wheels 21 are used for providing a walking supporting structure for the frame of the folding cart.
Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.
Claims (9)
1. A folding cart frame is characterized by comprising a front foot rod assembly, a rear foot rod assembly and a push rod assembly, wherein the front foot rod assembly is hinged with the rear foot rod assembly, the push rod assembly is hinged with the front foot rod assembly, the push rod assembly comprises a fixed rod, a sliding rod, a gear and a first rack, the fixed rod is hinged with the front foot rod assembly, the sliding rod is connected with the fixed rod in a sliding mode, the gear is connected with the fixed rod in a rotating mode, the first rack is connected with the fixed rod in a sliding mode and meshed with the gear, a second rack and a fixed plate are arranged on the sliding rod, the second rack is meshed with the gear, the fixed plate is partially contained in the front foot rod assembly, the sliding rod is pulled to slide relative to the fixed rod to drive the second rack to slide so as to drive the gear to rotate, and therefore the first rack can push the front foot rod assembly to rotate in a sliding mode, to fold the push rod assembly, the front foot rod assembly, and the rear foot rod assembly.
2. The foldable stroller frame according to claim 1, wherein the push rod assembly comprises a fixture block, a traction rope, and a pressing member, the fixing rod is provided with a fixing hole, the fixture block is slidably connected to the sliding rod and partially received in the fixing hole, and abuts against a hole wall of the fixing hole, one end of the traction rope is fixedly connected to the fixture block, the other end of the traction rope is fixedly connected to the pressing member, the pressing member is movably connected to the sliding rod, the pressing member is away from the fixture block, and pressing the pressing member can drive the traction rope to pull the fixture block to slide away from the fixing hole.
3. The folding cart frame of claim 2 wherein said push rod assembly comprises a first resilient member, one end of said first resilient member abutting said slide rod and the other end of said first resilient member abutting said pressing member.
4. The folding stroller frame according to claim 1, wherein the front leg assembly comprises a front leg frame, a second elastic member, and a support plate, one end of the second elastic member is fixedly connected to the front leg frame, the other end of the second elastic member is fixedly connected to one end of the support plate, the other end of the support plate is hinged to the front leg frame, and the fixing plate is abutted to the support plate.
5. The folding cart frame of claim 4 wherein said support plate has a receiving slot, said retaining plate portion being received in said receiving slot.
6. The folding stroller frame according to claim 4, wherein a pushing boss is provided at one end of the first rack, and the pushing boss abuts against the front foot frame.
7. The folding stroller frame according to claim 4, comprising a first connecting rod and a second connecting rod, wherein the first connecting rod is hinged to the front leg frame at one end, the second connecting rod is hinged to the second connecting rod at the other end, and the second connecting rod is hinged to the rear leg assembly at the other end.
8. The folding cart frame of claim 4, wherein said front caster assembly comprises a front wheel, said front wheel being rotatably coupled to said front caster.
9. The folding cart frame of claim 1, wherein the rear foot bar assembly is provided with a rear wheel at one end for support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671435.0U CN215971712U (en) | 2021-07-21 | 2021-07-21 | Folding cart frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671435.0U CN215971712U (en) | 2021-07-21 | 2021-07-21 | Folding cart frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215971712U true CN215971712U (en) | 2022-03-08 |
Family
ID=80577824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121671435.0U Active CN215971712U (en) | 2021-07-21 | 2021-07-21 | Folding cart frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215971712U (en) |
-
2021
- 2021-07-21 CN CN202121671435.0U patent/CN215971712U/en active Active
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