CN210707581U - Children's hand push frame that tricycle four-wheel changes each other - Google Patents
Children's hand push frame that tricycle four-wheel changes each other Download PDFInfo
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- CN210707581U CN210707581U CN201921655017.5U CN201921655017U CN210707581U CN 210707581 U CN210707581 U CN 210707581U CN 201921655017 U CN201921655017 U CN 201921655017U CN 210707581 U CN210707581 U CN 210707581U
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- wheel assembly
- front wheel
- wheel
- connecting disc
- fixing seat
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Abstract
The utility model belongs to the technical field of the bassinet, in particular to children's hand push frame that tricycle four-wheel changes each other, including the frame main part the front wheel support of frame main part front end, including the solid seat of front wheel subassembly, single-wheel subassembly, double round subassembly of front wheel support front end body coupling, the solid seat front end of front wheel subassembly is opened and is equipped with the fixture hole, and the solid seat upper portion both sides of front wheel subassembly are equipped with the locking subassembly, the locking subassembly comprises button, lockpin return spring, and the button inserts on the solid seat of front wheel subassembly, and the lockpin is arranged in the solid seat of front wheel subassembly, and its lower extreme is connected with the button contact, and the two contact surfaces are the inclined plane, and lockpin return spring sets up in; the single-wheel assembly or the double-wheel assembly comprises a connecting disc, a clamping block is fixedly arranged on the lower portion of the connecting disc in an integrated mode, and lock pin inserting holes are fixedly arranged on two sides of the upper portion of the connecting disc in an integrated mode. The utility model discloses simple structure, it is convenient to dismantle the installation, can fast switch tricycle and four-wheel.
Description
Technical Field
The utility model belongs to the technical field of the bassinet, in particular to children's handcart frame of tricycle four-wheel interconversion.
Background
The existing child trolley is generally three-wheeled or four-wheeled, but can not realize mutual conversion, and a three-wheeled child trolley and a four-wheeled child trolley need to be purchased simultaneously when necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a child hand-push frame convenient for three-wheel and four-wheel interconversion, which comprises a frame main body, a front wheel bracket at the front end of the frame main body, and a front wheel component fixing seat, a single-wheel component and a double-wheel component which are integrally connected with the front end of the front wheel bracket, wherein a clamping block hole is formed at the front end of the front wheel component fixing seat; the single-wheel assembly or the double-wheel assembly comprises a connecting disc, a clamping block is fixedly arranged on the lower portion of the connecting disc in an integrated mode, and lock pin inserting holes are fixedly arranged on two sides of the upper portion of the connecting disc in an integrated mode.
The wheels of the single-wheel assembly are connected below the connecting disc through wheel connecting parts, and the two wheels of the double-wheel assembly are connected to the two sides of the connecting disc through the wheel connecting parts.
Preferably, the connection plate is integrally formed with the wheel connecting portion.
Compared with the prior art, the utility model, the technical effect who reaches is: transform tricycle and four-wheel that can be more convenient, simple structure dismantles the convenience.
When the double-wheel assembly needs to be fixed on the front wheel assembly fixing seat, the fixture block on the connecting disc is inserted into the fixture block hole at the front end of the front wheel assembly fixing seat, then the connecting disc is pushed upwards, the outer walls of the lock pin insertion holes on the left side and the right side of the connecting disc push the lock pin upwards, when the lock pin insertion holes pass through the bottom of the lock pin, the bottom of the lock pin is inserted into the lock pin insertion hole due to the thrust action of the lock pin return spring, and the double-wheel assembly is installed; when the double-wheel assembly is disassembled, the button is pressed, the lock pin moves upwards to be separated from the lock pin jack, and meanwhile, the clamping block is pulled outwards to be separated from the clamping block hole, so that the connecting disc is disassembled from the front wheel set fixing seat; the single wheel assembly is mounted and dismounted as the double wheel assembly.
Drawings
FIG. 1 is the overall structure diagram of the installation state of the dual-wheel assembly of the present invention
FIG. 2 is the overall structure diagram of the installation state of the single wheel assembly of the present invention
FIG. 3 is a schematic view of the structure of the dual-wheel assembly of the present invention
FIG. 4 is a schematic view of the single wheel assembly structure of the present invention
FIG. 5 is a top view of the present invention
FIG. 6 is a front view of the cross section A-A of FIG. 5
FIG. 7 is a front view of the cross section B-B of FIG. 5
In the figure: 1. a frame main body; 2. a front wheel bracket; 3. a front wheel component fixing seat; 4. a single wheel assembly; 5. a dual wheel assembly; 6. a block hole; 7. a locking assembly; 8. a button; 9. a lock pin; 10. a lock pin return spring; 11. a connecting disc; 12. a clamping block; 13. a lock pin jack; 14. wheel connecting part
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A children hand-push frame convenient for three-wheel and four-wheel interconversion comprises a frame body 1, a front wheel support 2 at the front end of the frame body 1, a front wheel assembly fixing seat 3, a single wheel assembly 4 and a double-wheel assembly 5, wherein the front end of the front wheel assembly fixing seat 2 is integrally connected with the front end of the front wheel assembly support, a clamping block hole 6 is formed in the front end of the front wheel assembly fixing seat 3, locking assemblies 7 are arranged on two sides of the upper portion of the front wheel assembly fixing seat 3, each locking assembly 7 is composed of a button 8, a locking pin 9 and a locking pin return spring 10, the button 8 is inserted and embedded in the front wheel assembly fixing seat 3, the locking pin 9 is arranged in the front wheel assembly fixing seat 3, the lower end of the locking pin 9 is in contact connection with the button; the single-wheel assembly 4 or the double-wheel assembly 5 comprises a connecting disc 11, a clamping block 12 is fixedly arranged on the lower portion of the connecting disc 11 in an integrated mode, and lock pin insertion holes 13 are fixedly arranged on two sides of the upper portion of the connecting disc in an integrated mode.
The wheels of the single-wheel assembly 4 are connected below the connecting disc 11 through wheel connecting parts 14, and the two wheels of the double-wheel assembly 5 are connected to the two sides of the connecting disc 11 through the wheel connecting parts.
Preferably, the connection plate 11 is integrally formed with the wheel connecting portion 14.
The principle is as follows: when the double-wheel assembly 5 needs to be installed on the front wheel assembly fixing seat 3, the fixture block 12 on the connecting disc 11 is inserted into the fixture block hole 6 at the front end of the front wheel assembly fixing seat, then the connecting disc 11 is pushed upwards, the outer walls of the lock pin insertion holes 13 on the left side and the right side of the connecting disc 11 push the lock pin 9 upwards, when the lock pin insertion holes 13 pass through the bottoms of the lock pins 9, the bottoms of the lock pins 9 are inserted into the lock pin insertion holes 13 due to the thrust action of the lock pin return springs 10, and the installation of the double-wheel assembly 5 is completed; when the double-wheel assembly 5 is disassembled, the button 8 is pressed, the lock pin 9 moves upwards to be separated from the lock pin jack 13, meanwhile, the clamping block 12 is pulled outwards to be separated from the clamping block hole 6, and the connecting disc 11 is disassembled from the front wheel set fixing seat 3;
the single wheel assembly 4 is mounted and dismounted as the double wheel assembly 5: when the single wheel assembly 4 needs to be installed on the front wheel assembly fixing seat 3, the fixture block 12 on the connecting disc 11 is inserted into the fixture block hole 6 at the front end of the front wheel assembly fixing seat, then the connecting disc 11 is pushed upwards, the outer walls of the lock pin insertion holes 13 on the left side and the right side of the connecting disc 11 push the lock pin 9 upwards, when the lock pin insertion holes 13 pass through the bottoms of the lock pins 9, the bottoms of the lock pins 9 are inserted into the lock pin insertion holes 13 due to the thrust action of the lock pin return springs 10, and the installation of the single wheel assembly 4 is completed; when the single wheel assembly 4 is disassembled, the button 8 is pressed, the lock pin 9 moves upwards to be separated from the lock pin jack 13, meanwhile, the clamping block 12 is pulled outwards to be separated from the clamping block hole 6, and the connecting disc 11 is disassembled from the front wheel set fixing seat 3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a children's hand push frame that tricycle four-wheel changes each other, includes the frame main part, the front wheel support of frame main part front end, its characterized in that: the front wheel assembly fixing seat is integrally connected with the front end of the front wheel bracket, the single wheel assembly and the double wheel assembly are arranged on the front end of the front wheel assembly fixing seat, a clamping block hole is formed in the front end of the front wheel assembly fixing seat, locking assemblies are arranged on two sides of the upper portion of the front wheel assembly fixing seat, each locking assembly comprises a button, a lock pin and a lock pin return spring, the buttons are inserted and embedded in the front wheel assembly fixing seat, the lock pins are arranged in the front wheel assembly fixing seat, the lower ends of the lock pins are in contact connection with the buttons, the contact surfaces of the lock pins and the button are; the single-wheel assembly or the double-wheel assembly comprises a connecting disc, a clamping block is fixedly arranged on the lower portion of the connecting disc in an integrated mode, and lock pin inserting holes are fixedly arranged on two sides of the upper portion of the connecting disc in an integrated mode.
2. A stroller frame for a child convertible into a three-wheeled and four-wheeled vehicle as claimed in claim 1, wherein: the wheels of the single-wheel assembly are connected below the connecting disc through wheel connecting parts, and the two wheels of the double-wheel assembly are connected to the two sides of the connecting disc through the wheel connecting parts.
3. A stroller frame for a child convertible into three-wheeled and four-wheeled vehicles according to claim 2, further comprising: the connecting disc and the wheel connecting part are integrally formed in an injection molding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655017.5U CN210707581U (en) | 2019-09-30 | 2019-09-30 | Children's hand push frame that tricycle four-wheel changes each other |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655017.5U CN210707581U (en) | 2019-09-30 | 2019-09-30 | Children's hand push frame that tricycle four-wheel changes each other |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210707581U true CN210707581U (en) | 2020-06-09 |
Family
ID=70967303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921655017.5U Active CN210707581U (en) | 2019-09-30 | 2019-09-30 | Children's hand push frame that tricycle four-wheel changes each other |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210707581U (en) |
-
2019
- 2019-09-30 CN CN201921655017.5U patent/CN210707581U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |