Fold release joint and children trolley
Technical field
The present invention relates to one kind to fold release joint and children trolley.
Background technology
In the prior art, children trolley includes stroller frame, front component, wheel assembly, and stroller frame includes front-wheel branch
Frame, rear wheel support and handle, the front lower place of front truck wheel support set front truck gear member, and the back lower place of rear wheel frame sets rear wheels
Part, must be provided with connecting rod generally between front-wheel support and rear wheel support, and leading section and the front-wheel support of connecting rod rotate
Connection, the rearward end of connecting rod rotates with rear wheel support to be connected, when existing trolley rack deploys, due to locking mechanism structure mistake
In complexity, so preparing relatively difficult, difficulty is higher, further, since stuck phenomenon easily occurs for locking mechanism.
In view of it is above-mentioned the defects of, the design people, be actively subject to research and innovation, to found a kind of folding of new structure
Joint and children trolley are discharged, makes it with more the value in industry.
The content of the invention
It is an object of the invention to provide a kind of folding to discharge joint, and its is simple in construction, easy to operation, and is not in
Stuck phenomenon.
The a kind of of the present invention folds release joint, it is characterised in that:Including shell, the substrate being fixed in the shell,
The locking mechanism of the first driving piece and the second driving piece and installation on the substrate of pivot joint on the substrate, described first
Piece is driven to be pivotally connected by first rotating shaft and substrate, the second driving piece is pivotally connected by the second rotating shaft and substrate, and described first drives
The first lock slots and the second lock slots that can be overlapping, the first driving piece side are correspondingly offered on moving plate and the second driving piece
Holding tank is offered, on the substrate, the locking mechanism can be inserted into first lock simultaneously for the locking mechanism installation
Determine to fold release joint locking in groove and the second lock slots to realize, the locking mechanism includes installation on the substrate and can
The actuated piece that the dead bolt bar and the driving relatively described substrate of dead bolt bar that relatively described substrate moves up and down move up and down, it is described
Buckle slot is offered on dead bolt bar, the actuated piece includes clamp hook piece, and the clamp hook piece clasp is in the buckle slot.
Further, vertically extending stopper slot is provided with the substrate, is protruded out on the dead bolt bar formed with stretching into
Banking stop in the stopper slot, the banking stop can move up and down in the stopper slot.
Further, the interior hook surface of the clamp hook piece supports buckle slot, and spring, the spring are provided with the stopper slot
Positioned at the lower section of the banking stop.
Further, the first axis hole for installing the first rotating shaft is offered on the first driving piece, described second drives
The second axis hole for installing second rotating shaft is offered on moving plate, connection is connected between the first rotating shaft and the second rotating shaft
Piece.
Further, when the driving piece of locking mechanism locking first and the second driving piece, second rotating shaft is held in
In the holding tank.
Further, the first waist hole and the second waist hole, the first rotating shaft and the second rotating shaft point are offered on the substrate
It is not inserted into first waist hole and the second waist hole, and when folding release joint locking or unblock, the first rotating shaft and the
Two rotating shafts are moved in the first waist hole and the second waist hole simultaneously.
Further, first waist hole and the second waist hole are arcuate socket.
Further, arcuate surface of the arcuate surface of first waist hole towards the second waist hole.
Further, the first driving piece is between the second driving piece and substrate, and the substrate is positioned at the first driving
Between piece and connection sheet.
Present invention also offers a kind of children trolley, including above-mentioned folding to discharge joint, be fixed on first driving
Push handle on piece, the front-wheel pole being fixed on the second driving piece, fixed rear wheel fulcrum bar on the substrate and point
The roller not being arranged on the front-wheel pole and rear wheel fulcrum bar.
By such scheme, the present invention at least has advantages below:The folding release joint of the present invention and prior art phase
Than simple in construction, it on the first driving piece and the second driving piece by directly opening up the first lock slots and the second lock slots, so
It is inserted directly into afterwards by dead bolt bar to the first lock slots and the second lock slots to be locked, and the dead bolt bar directly passes through actuated piece
It is promoted to move up and down to complete to lock and unlock, consequently facilitating operation, and be not in stuck phenomenon.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is the structural representation that the present invention folds release joint;
Fig. 2 is the part-structure figure in Fig. 1;
Fig. 3 is Fig. 2 in the structure chart on another visual angle;
Fig. 4 is the enlarged drawing of circle A in Fig. 3;
Fig. 5 is the exploded view of the part-structure in Fig. 3;
Fig. 6 is the part-structure schematic diagram in Fig. 3.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Referring to Fig. 1 to Fig. 6, the folding release joint described in a preferred embodiment of the present invention includes shell 10, is fixed on institute
The the first driving piece 30 and second for state the substrate 20 in shell 10, being articulated on the substrate 20 drives piece 40 and is arranged on described
Locking mechanism 50 on substrate 20.First rotating shaft 60 is provided with the first driving piece 30, is opened on the first driving piece 30
Provided with the first axis hole 31 for installing the first rotating shaft 60, the second rotating shaft 70 is provided with the second driving piece 40, described the
Offer the second axis hole 41 for installing second rotating shaft 70 on two driving pieces 40, the rotating shaft 70 of first rotating shaft 60 and second it
Between be connected with connection sheet 80, the first driving piece 30 and second drive correspondingly offered on piece 40 can be overlapping the first lock slots
32 and second lock slots 42.The locking mechanism 50 is arranged on the substrate 20, and the locking mechanism 50 can be inserted into simultaneously
In the lock slots 42 of first lock slots 32 and second release joint locking is folded to realize.
The first driving piece 30 is between the second driving piece 40 and substrate 20, and the substrate 20 is positioned at the first driving piece
Between 30 and connection sheet 80.The first waist hole 21 and the second waist hole 22, the first rotating shaft 60 and are offered on the substrate 20
Two rotating shafts 70 are inserted into the waist hole 22 of the first waist hole 21 and second respectively, and when folding release joint locking or unblock, institute
State the rotating shaft 70 of first rotating shaft 60 and second while moved in the first waist hole 21 and the second waist hole 22.First waist hole 21 and
Two waist holes 22 are arcuate socket.Arcuate surface of the arcuate surface of first waist hole 21 towards the second waist hole 22.The first driving piece
30 side offers holding tank 33, described when the locking mechanism 50 locking the first driving piece 30 and second drives piece 40
Second rotating shaft 70 is held in the holding tank 33.Piece 40 is driven to be fixed with substrate 20 for the ease of the first driving piece 30, second
And prevent the first driving piece 30, second driving piece 40 and substrate 20 rotate from misplacing, the first driving piece 30, second drive piece 40 with
Substrate 20 can realize pivot joint by a rotating shaft or pin again respectively, so as to drive piece 40 with respect to base in the first driving piece 30, second
When plate 20 rotates, the first driving piece 30, second drives piece 40 to be rotated with the rotating shaft or pin for axle center opposing substrate 20, and
In the present embodiment, the first driving piece 30, second drives piece 40 to fix the first driving piece 30, second by housing with substrate 20
The position of piece 40 and substrate 20 is driven, it is wrong to occur when preventing the first driving piece 30, second driving piece 40 opposing substrate 20 from rotating
Position phenomenon.
The locking mechanism 50 includes being arranged on the substrate 20 and can the dead bolt that moves up and down of relatively described substrate 20
Bar 51 and the actuated piece 52 for driving the relatively described substrate 20 of dead bolt bar 51 to move up and down.The one end of the dead bolt bar 51
511 are inserted into the first lock slots 32 and the second lock slots 42, and the end can be named as lock head.The actuated piece 52 includes card
Part 53 is hooked, is provided with buckle slot 54 on the dead bolt bar 51, the clasp of clamp hook piece 53 is in the buckle slot 54, in this implementation
In example, the height of the buckle slot 54 is more than the height of clamp hook piece 53, and shape is in the lock state or unlocks folding release joint
During state, the interior hook surface 531 of the clamp hook piece 53 supports buckle slot 54, certainly, in other embodiments, the buckle slot 54 it is big
It is small to be just adapted to clamp hook piece 53.The buckle slot 54 is oppositely arranged on the two of the dead bolt bar 51 with the lock head 511
End.Vertically extending stopper slot 23 is provided with the substrate 20, is protruded out on the dead bolt bar 51 formed with stretching to the limit
Banking stop 55 in the groove 23 of position, the banking stop 55 can move up and down in the stopper slot 23, in the present embodiment, the limit
Spring (not shown) is additionally provided with the groove 23 of position, the spring is located at the lower section of the banking stop 55, is clamped in the banking stop
Between 55 and stopper slot 23.
The operation principle in above-mentioned folding release joint is as follows:When folding release joint is in the lock state, described first
The first lock slots 32 and the second lock slots 42 on the driving driving piece 40 of piece 30 and second overlap, the end of dead bolt bar 51
511 (i.e. lock heads) are inserted into the first lock slots 32 and the second lock slots 42, and the banking stop 55 of dead bolt bar 51 is located at stopper slot
23 upper end, the interior hook surface 531 of clamp hook piece 53 support buckle slot 54;When folding release joint needs unblock, first driving causes
Moving part 52 moves down, because the interior hook surface 531 of clamp hook piece 53 supports buckle slot 54, so, actuated piece 52 promotes dead bolt bar 51 downward
Mobile, now, banking stop 55 is acted on spring, makes spring-compressed, and the lock head 511 of dead bolt bar 51 is from the He of the first lock slots 32
Removed in second lock slots 42, realize unblock, now, applied external force and driven in the first driving piece 30 and second on piece 40, make the
One driving piece 30 and second drives piece 40, respectively counterclockwise with clockwise rotation, piece 30 to be driven first under the driving of external force
When rotation with the second driving piece 40, the first driving piece 30 and second drives piece 40 to drive the rotating shaft 70 of first rotating shaft 60 and second
Moved up in the first waist hole 21 and the second waist hole 22, to realize the folding for folding release joint;Discharged when needing to fold
When joint is deployed, external force driving the first driving piece 30 and second drives piece 40 to rotate clockwise and anticlockwise respectively, until first
The rotating shaft 70 of rotating shaft 60 and second is moved to the first waist hole 21 and the lower port of the second waist hole 22 and can not moved, now, the first locking
The lock slots 42 of groove 32 and second are overlapping, then promote actuated piece 52 to move up, and the interior hook surface 531 of clamp hook piece 53 no longer supports buckle
Groove 54, under the action of the spring, the lock head 511 for moving up driving dead bolt bar 51 is inserted into the first lock slots 32 to dead bolt bar 51
With the second lock slots 42, locked with realizing.
A kind of children trolley of the present invention includes above-mentioned folding release joint, is fixed on the first driving piece 30
Push handle (not shown), the front-wheel pole (not shown) being fixed on the second driving piece 40, it is fixed on the substrate 20
Rear wheel fulcrum bar (not shown) and be separately positioned on the front-wheel pole and show and the roller (not shown) on rear wheel fulcrum bar.
In summary, compared with prior art, simple in construction, it first by driving the He of piece 30 in above-mentioned folded release joint
The first lock slots 32 and the second lock slots 42 are directly opened up on second driving piece 40, are then inserted directly into by dead bolt bar 51 to first
The lock slots 42 of lock slots 32 and second to be locked, and the dead bolt bar 51 directly by actuated piece 52 promote its move up and down with
Locking and unblock are completed, consequently facilitating operation, and be not in stuck phenomenon.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and
Modification, these improvement and modification also should be regarded as protection scope of the present invention.