CN208405140U - A kind of folding locking device and the wheelchair using described device - Google Patents
A kind of folding locking device and the wheelchair using described device Download PDFInfo
- Publication number
- CN208405140U CN208405140U CN201721708738.9U CN201721708738U CN208405140U CN 208405140 U CN208405140 U CN 208405140U CN 201721708738 U CN201721708738 U CN 201721708738U CN 208405140 U CN208405140 U CN 208405140U
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- Prior art keywords
- locking device
- folding locking
- executing agency
- folding
- fixedly connected
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- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000013461 design Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 11
- 238000004880 explosion Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008450 motivation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Abstract
The utility model discloses a kind of folding locking device and the wheelchair using described device, the folding locking device are mounted on frame body, mainly includes actuating mechanism, transmission mechanism, executing agency and resetting-mechanism.The actuating mechanism is for providing the initial driving force for unlocking the folding locking device；The transmission mechanism is fixedly connected with the actuating mechanism；The executing agency is fixedly connected with the transmission mechanism；The initial driving force of the actuating mechanism is passed to the executing agency by the transmission mechanism；The resetting-mechanism is used to provide the power opposite with the initial driving force to the executing agency, realizes the locking of the folding locking device.The folding locking device appearance design is succinct, start that the folding locking device is laborsaving and safe, using the wheelchair of the folding locking device, structure and reliable performance, laborsaving, quick, safe the wheelchair can be folded or is unfolded, it is extremely convenient to use.
Description
Technical field
The utility model relates to auxiliary medical equipment fields, and in particular to a kind of folding locking device and use described device
Wheelchair.
Background technique
As disability and the walking-replacing tool of handicapped people, wheelchair brings great convenience, especially to use
Person brings great convenience when carrying out activity over long distances, but the storage and carrying of wheelchair then have inconvenience, existing city
The fully collapsible invalid's chair occurred on field can be packed up when not in use in wheelchair, save occupied space, and storage is facilitated to transport.
But the folding device of fully collapsible invalid's chair in the prior art tightens or loosens fixed block generally by the fast pin of rotation, no
It is time-consuming and laborious when only rotating, and folding device concealment is poor, sharp metal structure is exposed, and there are some potential safety problemss.
In view of the above drawbacks, the utility model creator obtains originally practical new finally by prolonged research and practice
Type.
Utility model content
To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is, provides a kind of folding locking device,
For a frame body, comprising:
One actuating mechanism, for providing the initial driving force for unlocking the folding locking device；
One transmission mechanism is fixedly connected with the actuating mechanism；
One executing agency is fixedly connected with the transmission mechanism, and the transmission mechanism is by the first initiating of the actuating mechanism
Power passes to the executing agency；
One resetting-mechanism realizes the folding for providing the power opposite with the initial driving force to the executing agency
The locking of locking device.
Preferably, the transmission mechanism is drive rod, described drive rod one end is fixedly connected with the actuating mechanism, another
End is fixedly connected with the executing agency.
Preferably, the drive rod is spoke.
Preferably, the executing agency is sliding pin, fixation hole is set, the sliding pin and the fixation hole are living on the frame body
Dynamic connection.
Preferably, the resetting-mechanism is elastic component, described elastic component one end is fixed in the executing agency.
Preferably, the folding locking device further includes connecting tube, blocking portion, the blocking portion are set in the connecting tube
For limiting the position of the elastic component.
Preferably, the actuating mechanism includes button and fixed block, the fixed block is set to the lower section of the button, institute
Fixed block is stated to be fixedly connected with the transmission mechanism.
Preferably, the button and the fixed block contact surface are inclined-plane or skewed slot.
The utility model also provides a kind of wheelchair using the folding locking device comprising a frame body, the folding
Locking device is fixedly connected with the frame body.
Preferably, the frame body includes back bracket, seat frame, front-wheel support, rear wheel support, the folding locking device
It is fixedly connected with the back bracket.
Compared with the prior art the utility model has the beneficial effects that: 1, folding locking device described in the utility model,
Design is succinct, structure and reliable performance, it is laborsaving and safe to start the folding locking device, and folding locking speed is fast,
It is easy to use；2, transmission mechanism is arranged in the folding locking device, and the transmission mechanism not only acts as transmitting power effect, also has
There is the effects of buffering, reduce impact force, reduce stress fatigue, can effectively extend the service life of the folding locking device；
3, the resetting structure is arranged in the folding locking device, can fast and efficiently realize the locking of the folding locking device；
4, the wheelchair designed using the folding locking device, structure and reliable performance, by the folding locking device can it is laborsaving,
Quickly, safe that the wheelchair is folded or is unfolded, it is extremely convenient to use.
Detailed description of the invention
It, below will be to institute in embodiment description in order to illustrate more clearly of the technical solution in various embodiments of the utility model
Attached drawing to be used is needed to be briefly described.
Fig. 1 is the Structure explosion diagram of embodiment two-fold locking device in the utility model；
Fig. 2 a is embodiment two-fold locking device locking state schematic diagram in the utility model；
Fig. 2 b is embodiment two-fold locking device unlocked state schematic diagram in the utility model；
Fig. 3 is the Structure explosion diagram of three folding locking device of embodiment in the utility model；
Fig. 4 a is the partial schematic diagram of three folding locking device locking state of embodiment in the utility model；
Fig. 4 b is the partial schematic diagram of three folding locking device unlocked state of embodiment in the utility model；
Fig. 5 a is the partial schematic diagram of example IV folding locking device locking state in the utility model；
Fig. 5 b is the partial schematic diagram of example IV folding locking device unlocked state in the utility model；
Fig. 6 is the stereoscopic schematic diagram of seven wheelchair of embodiment in the utility model.
Specific embodiment
Below in conjunction with attached drawing, the above and other technical features and advantages of the present invention are described in more detail.
Embodiment one
A kind of folding locking device, including actuating mechanism, transmission mechanism, executing agency and resetting-mechanism, the fold latch
Tight device is fixedly mounted on frame body.
The actuating mechanism is used to provide the initial driving force for unlocking the folding locking device, presses the actuating mechanism,
The actuating mechanism is supplied to the inside initial driving force of the executing agency one；The transmission mechanism is for connecting the starter motor
Structure and the executing agency；The executing agency is flexibly connected with the frame body；
It is connect specifically, the transmission mechanism is detachably fixed with the actuating mechanism, the executing agency and the biography
Motivation structure is detachably fixed connection, and the initial driving force of the actuating mechanism is passed to the executing agency by the transmission mechanism,
Under the action of inside initial driving force, so that the executing agency is detached from the frame body, the folding locking device is realized
Unlock；
The resetting-mechanism is used to provide the power opposite with the initial driving force to the executing agency, realizes the folding
The locking of locking device.
The folding locking device appearance design is simple, and rapid operation is convenient and safety, user need to only press described open
Motivation structure, it will be able to fast implement unlock, avoid the poor and sharp metal knot of folding device concealment in the prior art
The exposed security risk of structure；When needing to lock the folding locking device, the frame body is pushed open to certain position, at this point,
The resetting-mechanism is in compressive state, and the resetting-mechanism will provide opposite with the initial driving force to the executing agency
Power, so that the executing agency is automatically inserted into the frame body, to reach locking state.
Embodiment two
On the basis of example 1, as shown in FIG. 1, FIG. 1 is the Structure explosion diagram of folding locking device, the fold latch
Tight device further includes connecting tube 901, and the connecting tube 901 is vertical with the frame body to be fixedly connected, the actuating mechanism, the biography
Motivation structure, the executing agency and the resetting-mechanism are arranged in the connecting tube 901, are arranged in the connecting tube 901
First aperture, the actuating mechanism pass through the aperture in the connecting tube 901.
The connecting tube 901 is hollow circular-tube；The folding locking device further includes shell, and the shell includes upper casing
902 and lower casing 908, the upper casing 902 is clamped with the connecting tube 901 respectively with lower casing 908.The upper casing 902 and the company
The second aperture is arranged in the corresponding position of first aperture on adapter tube 901, and the actuating mechanism passes through second aperture,
The actuating mechanism is leaked out in 902 outside of upper casing, is pressed convenient for user.
The actuating mechanism includes button 903 and fixed block 904, and the button 903 passes through second aperture, described to press
Button 903 is leaked out in 902 outside of upper casing, and user presses the button, so that the button is stretched in second aperture
Out with retraction；903 bottom of button is an inclined-plane, and the contact surface of the fixed block 904 and the button 903 is described oblique
Face, presses the button 903, and the button 903 moves downward and the fixed block 904 is driven to move inwardly.
The transmission mechanism includes drive rod 905, and it is preferable to use the higher materials of intensity, toughness for the drive rod 905, originally
A kind of thin round bar is used in embodiment, described 905 one end of drive rod is fixedly connected with the fixed block 904, and the other end connects institute
Executing agency is stated, the executing agency includes sliding pin 906, and the sliding pin 906 is riveted with the drive rod 905.
The resetting-mechanism is elastic component, and it is preferable to use spring 907 in the present embodiment, the spring 907 is arranged described
On sliding pin 906, described 907 one end of spring is fixedly connected with the sliding pin 906, other end fixed setting, is arranged on the frame body
Fixation hole 101, the sliding pin 906 are positioned with the fixation hole 101 cooperation.
When needing to unlock the folding locking device, the button 903 is pressed, when the button 903 moves downward, institute
Move inward during fixed block 904 is stated along inclined-plane sliding, the fixed block 904, which moves inward, will drive institute
It states drive rod 905 also to move inward, and then the sliding pin 906 is driven to move inward, described 907 one end of spring follows described
Sliding pin 906 moves inward, and 907 other end of spring is because be fixed setting can not move, the spring 907 at this time
The folding locking is then realized until the sliding pin 906 is detached from the fixation hole 101 on the frame body in compressive state
The unlock of device, as shown in Figure 2 b, Fig. 2 b are folding locking device unlocked state schematic diagram.
When needing to lock the folding locking device, the frame body is pushed open to certain position, at this point, the spring
907 are in compressive state, and the spring 907 will provide the power opposite with the initial driving force to the sliding pin 906, so that described
Sliding pin 906 is automatically inserted into the fixation hole 101 to the frame body, thus reach locking state, as shown in Figure 2 a, Fig. 2 a
For folding locking device locking state schematic diagram.
In the prior art, folding locking device mostly uses executing agency and actuating mechanism to be directly connected to using in order to adapt to
Different use environments, executing agency usually require to be arranged to have the mechanism of certain length could form connection with actuating mechanism
Relationship；And in practical applications, because the folding locking device frequency of use is high, long term repeatability in unlocked state and locking
Switch between state, causes executing agency's high frequency time to accept impact force, be easily damaged.
And transmission mechanism and executing agency are set simultaneously in the utility model, the transmission mechanism not only acts as transmitting power
Effect also has buffering, reduces impact force, reduces the effect of stress fatigue, extend the folding locking service using life, drop
The failure rate of the low folding locking device, and when transmission mechanism is not achieved requirement or damages, it is also easy to disassemble,
It is individually replaced, reduces the maintenance cost of the folding locking device.
Embodiment three
Unlike embodiment two, the Structure explosion diagram of the folding locking device of the present embodiment is as shown in figure 3, the folding
Folded locking device also sets up blocking portion 909, and the blocking portion 909 is set in the connecting tube 901, and the blocking portion 909 is used
In the position for limiting the spring 907.
The blocking portion 909 is hollow structure, is specifically set to the excircle of the sliding pin 906, the hollow structure is straight
Diameter is greater than the sliding pin 906, is less than the spring 907, and the sliding pin 906 is enabled to pass through the blocking portion 909, but institute
The blocking portion 909 can not but be passed through by stating spring 907.
As shown in fig. 4 a, described 907 one end of spring is fixed on the partial schematic diagram of the folding locking device locking state
On the sliding pin 906, the other end offsets with the blocking portion 909 in the connecting tube 901.As shown in Figure 4 b, the sliding pin
906 pass through the blocking portion 909 when moving inward, and described 907 one end of spring follows the sliding pin 906 to move inward, institute
Stating 907 other end of spring can not then be moved by the blocking portion 909 prevention, and the spring 907 is in compressive state at this time.
Example IV
Unlike embodiment three, as shown in Fig. 5 a, 5b, the blocking portion 909 is set to the outer of the drive rod 905
Circumference, described 907 one end of spring are fixed on 906 right end of sliding pin, and 907 other end of spring stretches to the drive rod
905, and offset with the blocking portion 909.
When pressing the button 903, the fixed block 904 is moved inward by the effect of initial driving force, while band
Moving the drive rod 905 and the sliding pin 906, side is mobile inwards, and the sliding pin 906 squeezes institute while moving inward
Spring 907 is stated, the spring 907 is in compressive state, and the sliding pin 906 is detached from the fixation hole 101, the folding locking dress
Set unlock.
Blocking portion 909 is set to the excircle of the drive rod 905 in the present embodiment, makes the spring 907 in addition to solid
Due to outside one end of the sliding pin 906, other positions cover on the drive rod 905, are adapted to unlike material or difference
The spring of type, so that the spring 907 is capable of providing power required for reset, side when locking the folding locking device
Toilet is stated sliding pin 906 and is automatically inserted on the frame body.
Embodiment five
On the basis of the above embodiments, to prevent the fixed block 904 from occurring on the inclined-plane of the button 903
It breaks away, it is ensured that the fixed block 904 is slided along the inclined-plane parallel direction, and a skewed slot, the fixation are arranged on the inclined-plane
Block 904 is arranged in the skewed slot, and the fixed block 904 is slidably connected with the skewed slot.
Embodiment six
On the basis of the above embodiments, the drive rod 905 is set as spoke, compared with common bar, the spoke
Intensity is high, and has certain toughness, has certain buffer function to the impact force of undertaking.
Using the spoke as the transmission mechanism, so that the transmission mechanism not only acts as transmitting power effect, also
With buffering, impact force is reduced, the effect of stress fatigue is reduced, extends the folding locking service using life.
Embodiment seven
The utility model discloses a kind of wheelchair, as shown in fig. 6, Fig. 6 is the stereoscopic schematic diagram of the wheelchair.The wheelchair packet
Folding locking device 900, frame body are included, the folding locking device 900 is fixedly connected with the frame body.
The frame body includes back bracket 100, and the folding locking device 900 is fixedly mounted on the back bracket 100
On, the folding locking device 900 is fixedly connected by the connecting tube 901 with the back bracket 100.
The fixation hole 101 is set in the back bracket 100, and the sliding pin 906 connects with 101 activity of fixation hole
It connects.
The frame body further includes seat frame 200, front-wheel support 300, rear wheel support 400.
The wheelchair further includes first connecting rod 500, second connecting rod 600, front component 700, wheel assembly 800.
The back bracket 100 and the front-wheel support 300 are hinged, and the front-wheel support 300 and the seat frame 200 are logical
The second connecting rod 600 is crossed to connect, specifically, the front-wheel support 300 and the second connecting rod 600 are hinged, the seat frame
200 is hinged with the second connecting rod 600, and the seat frame 200 and the rear wheel support 400 are hinged, the rear wheel support 400 with
The first connecting rod 500 is set between the front-wheel support 300, and the first connecting rod 500 primarily serves reinforcing and supports the wheelchair
Effect.
When the wheelchair needs to pack up, press the button 903, the fixed block 904 by initial driving force effect to
Medial movement, while the side movement inwards of the drive rod 905, the sliding pin 906 is driven, the sliding pin 906 is detached from described
Fixation hole 101, after realizing that the unlock to the folding locking device 900, the folding locking device 900 unlock, the backrest
Bracket 100 can be move freely, and the back bracket 100 is drawn close to the seat frame 200 and is packed up, then by the backrest branch
Frame 100 presses down on together with the seat frame 200, draws close and packs up to the front-wheel support 300, at this point, the rear wheel support
400 draw close under the drive of the first connecting rod 500 to the front-wheel support 300, when the seat frame 200 and the rear-wheel branch
When frame 400 is bonded with the front-wheel support 300, folds and complete.
When the wheelchair needs to be unfolded, the rear wheel support 400 is unfolded from the front-wheel support 300, it will be described
Back bracket 100 is unfolded from the seat frame 200, then drives the seat frame 200 from exhibition from the front-wheel support 300
It opens, the back bracket 100 is pulled open to certain position, the sliding pin 906 is automatically inserted into institute under the action of spring 907
It states in fixation hole 101, the folding locking device 900 is locked, and the wheelchair expansion is completed.
The folding locking device 900 is fixedly connected by the connecting tube 901 with the wheelchair, the folding locking dress
It sets 900 main component to be all set in 901 in the connecting tube, this makes 900 whole design of folding locking device succinct
And it is reliable, when user uses the wheelchair, it need to only press the button 903, it will be able to unlock and fully collapsible invalid's chair are fast implemented,
Rapid operation is convenient and safety, avoids that wheelchair folding device concealment in the prior art is poor, operation is time-consuming and laborious and sharp
The exposed security risk of sharp metal structure.
The wheelchair designed using the folding locking device, structure and reliable performance are folded and expansion operation both side
Just laborsaving and safe.
The above is only the preferred embodiment of the present invention, is merely illustrative for the utility model, and
It is unrestricted.Those skilled in the art understand that can be to it in the spirit and scope defined by the utility model claims
Many changes, modifications, and even equivalents are carried out, but all will fall within the protection scope of the utility model.
Claims (10)
1. a kind of folding locking device is used for a frame body characterized by comprising
One actuating mechanism, for providing the initial driving force for unlocking the folding locking device；
One transmission mechanism is fixedly connected with the actuating mechanism；
One executing agency is fixedly connected with the transmission mechanism, and the transmission mechanism passes the initial driving force of the actuating mechanism
Pass the executing agency；
One resetting-mechanism realizes the folding locking for providing the power opposite with the initial driving force to the executing agency
The locking of device.
2. folding locking device as described in claim 1, which is characterized in that the transmission mechanism is drive rod, the transmission
Bar one end is fixedly connected with the actuating mechanism, and the other end is fixedly connected with the executing agency.
3. folding locking device as claimed in claim 2, which is characterized in that the drive rod is spoke.
4. folding locking device as described in any one of claims 1-3, which is characterized in that the executing agency is sliding pin, institute
It states and fixation hole is set on frame body, the sliding pin is flexibly connected with the fixation hole.
5. folding locking device as described in any one of claims 1-3, which is characterized in that the resetting-mechanism is elastic component,
Described elastic component one end is fixed in the executing agency.
6. folding locking device as claimed in claim 5, which is characterized in that the folding locking device further includes connecting tube,
Blocking portion is set in the connecting tube, and the blocking portion is used to limit the position of the elastic component.
7. folding locking device as described in any one of claims 1-3, which is characterized in that the actuating mechanism include button and
Fixed block, the fixed block are set to the lower section of the button, and the fixed block is fixedly connected with the transmission mechanism.
8. folding locking device as claimed in claim 7, which is characterized in that the button and the fixed block contact surface are oblique
Face or skewed slot.
9. a kind of wheelchair using such as the described in any item folding locking devices of claim 1-8 comprising a frame body, feature
It is, the folding locking device is fixedly connected with the frame body.
10. wheelchair as claimed in claim 9, the frame body includes back bracket, seat frame, front-wheel support, rear wheel support,
It is characterized in that, the folding locking device is fixedly connected with the back bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708738.9U CN208405140U (en) | 2017-12-11 | 2017-12-11 | A kind of folding locking device and the wheelchair using described device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708738.9U CN208405140U (en) | 2017-12-11 | 2017-12-11 | A kind of folding locking device and the wheelchair using described device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208405140U true CN208405140U (en) | 2019-01-22 |
Family
ID=65128036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721708738.9U Expired - Fee Related CN208405140U (en) | 2017-12-11 | 2017-12-11 | A kind of folding locking device and the wheelchair using described device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208405140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114010414A (en) * | 2021-10-26 | 2022-02-08 | 浙江荣胜实业有限公司 | Folding lock mechanism for wheelchair |
-
2017
- 2017-12-11 CN CN201721708738.9U patent/CN208405140U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114010414A (en) * | 2021-10-26 | 2022-02-08 | 浙江荣胜实业有限公司 | Folding lock mechanism for wheelchair |
| CN114010414B (en) * | 2021-10-26 | 2023-06-30 | 浙江荣胜实业有限公司 | Folding lock mechanism for wheelchair |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |