CN110219883B - Rotary positioning mechanism and upper limb rehabilitation training system - Google Patents
Rotary positioning mechanism and upper limb rehabilitation training system Download PDFInfo
- Publication number
- CN110219883B CN110219883B CN201910555041.XA CN201910555041A CN110219883B CN 110219883 B CN110219883 B CN 110219883B CN 201910555041 A CN201910555041 A CN 201910555041A CN 110219883 B CN110219883 B CN 110219883B
- Authority
- CN
- China
- Prior art keywords
- movable
- positioning
- assembly
- plate
- movable structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 210000001364 upper extremity Anatomy 0.000 title claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims description 21
- 239000010949 copper Substances 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 238000002560 therapeutic procedure Methods 0.000 abstract 1
- 241000227287 Elliottia pyroliflora Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0274—Stretching or bending or torsioning apparatus for exercising for the upper limbs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention provides a rotary positioning mechanism and an upper limb rehabilitation training system, relates to the technical field of rehabilitation treatment equipment, and solves the technical problems that some rotary positioning mechanisms in the prior art are easy to slide and unstable in structure when limiting. The device comprises a movable assembly and a fixed assembly, wherein the fixed assembly comprises a movable structure, the movable structure and the movable assembly are connected in an inserting mode to enable the movable assembly and the fixed assembly to be matched with each other to form positioning, and when force is applied to the movable structure to enable the movable structure to move so as to remove the connection between the movable structure and the movable assembly, the movable assembly is connected with the fixed assembly in a rotating mode. The invention can be used in rehabilitation therapy equipment.
Description
Technical Field
The invention relates to the technical field of rehabilitation treatment equipment, in particular to a rotary positioning mechanism for adjusting the posture of an upper limb and an upper limb rehabilitation training system with the rotary positioning mechanism.
Background
Currently, there are two general types of upper limb training mechanisms: one is a rehabilitation trainer which can generally perform rehabilitation training of a single joint or a plurality of joints of a body; still another type is an exoskeleton type rehabilitation training robot. The rehabilitation training device has low training freedom, and sometimes needs to replace the training set component and adjust the posture of the equipment to train other joints.
The applicant has found that the prior art has at least the following technical problems:
the existing rotary positioning mechanism is difficult to be applied to the rehabilitation training device so as to avoid the condition that the training freedom degree of the rehabilitation training device is relatively low; and the rotation positioning mechanism adopts a friction mode for limiting, and the conditions of sliding and unstable structure can occur.
Disclosure of Invention
The invention aims to provide a rotary positioning mechanism and an upper limb rehabilitation training system, which solve the technical problems that some rotary positioning mechanisms in the prior art are easy to slide and unstable in structure when limiting. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a rotary positioning mechanism which comprises a movable assembly and a fixed assembly, wherein the fixed assembly comprises a movable structure, the movable structure is connected with the movable assembly in an inserting mode so that the movable assembly and the fixed assembly are matched with each other to form positioning, and when force is applied to the movable structure to enable the movable structure to move so as to release the connection between the movable structure and the movable assembly, the movable assembly and the fixed assembly are connected in a rotating mode.
Preferably, the movable structure comprises a positioning pin, the movable assembly comprises a positioning hole, and the positioning pin is matched with the positioning hole; the positioning holes are distributed along the circumferential direction of the movable assembly.
Preferably, a limiting hole is formed in the fixing component, the movable structure is inserted into the limiting hole, and the limiting hole limits the movable structure to move only along the axial direction of the movable structure.
Preferably, the limiting hole is a waist-shaped hole.
Preferably, the fixed structure includes a hatch, the movable structure passes through the hatch, a limiting structure is arranged on a portion of the movable structure extending into the hatch, an elastic element is clamped between the hatch and the limiting structure, and when the movable structure moves in a direction away from the movable assembly, the elastic element is in a compressed state.
Preferably, the movable assembly comprises a positioning plate and a rotating shaft arranged below the positioning plate, the positioning plate and the rotating shaft extend into the fixed assembly, the positioning plate and the rotating shaft are clamped on the fixed assembly, the positioning plate and the rotating shaft can rotate relative to the fixed assembly, the positioning plate is connected with the rotating shaft, and the movable structure can extend into the positioning plate.
Preferably, the fixed subassembly includes barrel and copper sheathing, the copper sheathing sets up in the barrel and with the barrel is connected, the axis of rotation with the copper sheathing contacts and works as but mobile structure with the locating plate removes the back of locking, the copper sheathing with the axis of rotation is rotated and is connected, the locating plate supports on the terminal surface of copper sheathing.
Preferably, the fixing assembly further comprises a positioning ring and a fixing plate, the fixing plate is arranged below the cylinder body and connected with the cylinder body, a stepped hole is formed in the cylinder body, the copper sleeve is located in the stepped hole, the positioning ring is arranged below the copper sleeve, and the copper sleeve and the positioning ring are clamped between the fixing plate and the horizontal end face of the stepped hole.
Preferably, the movable assembly comprises a rotating plate, the rotating plate is arranged below the fixed assembly, the rotating shaft extends into the rotating plate, a connecting portion extending away from the center direction of the rotating shaft is arranged in the circumferential direction of the rotating shaft, a stepped hole is formed in the rotating plate, the connecting portion is located in the stepped hole, and the connecting portion is connected with the rotating plate.
An upper limb rehabilitation training system comprises the rotary positioning mechanism.
According to the rotary positioning mechanism provided by the invention, the movable structure is connected with the movable assembly in an inserting manner so that the movable assembly and the fixed assembly are matched with each other to form positioning, the positioning of the movable assembly and the fixed assembly is realized in an inserting connection manner, the positioned structure is relatively more stable, and the technical problems that the rotary positioning mechanism in the prior art is relatively easy to slide and is unstable in structure when limited are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a rotational positioning mechanism provided by an embodiment of the present invention;
FIG. 2 is a schematic structural view of a hatch cover and a cylinder provided by an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a movable structure provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a rotating shaft according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a positioning plate according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a rotational positioning mechanism provided in an initial state according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of the movable assembly of the rotational positioning mechanism being unlocked in accordance with an embodiment of the present invention;
FIG. 8 is a schematic structural view of a movable component of the rotational positioning mechanism rotating relative to a fixed component according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an automatic rebounding locking movable assembly of a movable structure of a rotary positioning mechanism provided in an embodiment of the present invention.
FIG. 1-Movable Structure; 11-a locating pin; 12-a limit structure; 13-an elastic member; 14-pin shaft mounting holes; 2-a movable component; 21-positioning holes; 22-a positioning plate; 23-a rotating shaft; 24-a rotating plate; 25-a connecting part; 26-positioning plate mounting holes; 3-limiting holes; 4-a hatch cover; 5-a cylinder body; 6-copper sheathing; 7-a positioning ring; 8-fixing the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a rotational positioning mechanism, which includes a movable assembly 2 and a fixed assembly, wherein the fixed assembly includes a movable structure 1, the movable structure 1 is connected to the movable assembly 2 in an inserting manner so that the movable assembly 2 and the fixed assembly cooperate to form a positioning, and when a force is applied to the movable structure 1 to move the movable structure 1 so as to release the connection between the movable structure 1 and the movable assembly 2, the movable assembly 2 is rotationally connected to the fixed assembly. When the movable structure 1 is connected with the movable component 2 in an inserting way, the movable component 2 is locked on the fixed component, namely the movable component 2 cannot rotate relative to the fixed component; when the movable structure 1 is moved to release the connection between the movable component 1 and the movable component, the movable component 2 can rotate relative to the fixed component; the rotary positioning mechanism provided by the invention realizes the positioning of the movable component 2 and the fixed component in a plug-in connection mode, and compared with some rotary positioning mechanisms in the prior art, the rotary positioning mechanism adopts a friction mode for positioning, so that the locked structure is relatively more stable.
As an alternative implementation manner of the embodiment of the present invention, the movable structure 1 includes a positioning pin 11, the movable assembly 2 includes a positioning hole 21, and the positioning pin 11 is matched with the positioning hole 21; the positioning holes 21 are distributed in the circumferential direction of the movable assembly 2. Referring to fig. 3, the movable structure 1 may be provided with pin mounting holes 14, the positioning pins 11 are inserted into the corresponding pin mounting holes 14, and the positioning pins 11 are in interference fit with the pin mounting holes 14, so as to realize the fixed connection between the positioning pins 11 and the pin mounting holes 14, and the number of the positioning pins 11 may be two and symmetrically distributed along the circumferential direction of the movable assembly 1; referring to fig. 5, the number of the positioning holes 21 may be four and may be uniformly distributed along the circumferential direction of the movable assembly 2, and the positioning pins 11 may be matched with different positioning holes 21 to realize the insertion of the movable assembly 1 into the movable assembly 2. Furthermore, the movable assembly 2 can also be inserted into the movable assembly 1.
As an optional implementation manner of the embodiment of the present invention, the fixing component is provided with a limiting hole 3, the movable structure 1 is inserted into the limiting hole 3, and the limiting hole 3 limits the movable structure 1 to move only along the axial direction of the movable structure 1. The limiting hole 3 may be a waist-shaped hole or a hole with other shapes, so as to limit the movable structure 1 to move only along the axial direction thereof.
As an optional implementation manner of the embodiment of the present invention, the fixed structure includes a hatch 4, the movable structure 1 penetrates through the hatch 4, a limiting structure 12 is disposed on a portion of the movable structure 1 that extends into the hatch 4, an elastic member 13 is interposed between the hatch 4 and the limiting structure 12, and when the movable structure 1 moves in a direction away from the movable assembly 2, the elastic member 13 is in a compressed state. Referring to fig. 1, the elastic member 13 is used to fix the movable structure 1 on the hatch 4, when the movable structure 1 needs to move away from the movable assembly 2, the external force applied to the movable structure 1 needs to overcome the elastic force of the elastic member 13; the movable structure 1 moves towards the direction far away from the movable assembly 2 under the action of the external force until the movable structure 1 is separated from the movable assembly 2, the external force is cancelled after the movable structure 1 rotates for a proper angle, and the movable structure 1 resets under the action of the elastic piece 13. The elastic element 13 may be a spring, which is sleeved on the movable structure 1.
As an optional implementation manner of the embodiment of the present invention, the movable assembly 2 includes a positioning plate 22 and a rotating shaft 23 disposed below the positioning plate 22, the positioning plate 22 and the rotating shaft 23 extend into the fixed assembly, the positioning plate 22 and the rotating shaft 23 are clamped on the fixed assembly and can rotate relative to the fixed assembly, the positioning plate 22 is connected to the rotating shaft 23, and the movable structure 1 can extend into the positioning plate 22. Referring to fig. 1, 4 and 5, the rotating shaft 23 and the positioning plate 22 may be detachably connected, referring to fig. 5, a positioning plate mounting hole 26 is formed in the positioning plate 22, and the connecting member may pass through the positioning plate mounting hole 26 to be connected with the rotating shaft 23; the positioning plate 22 is provided with positioning holes 21, and the positioning pins 11 of the movable structure 1 can be inserted into the positioning holes 21 of the positioning plate 22.
As an alternative implementation manner of the embodiment of the present invention, the fixing assembly includes a cylinder 5 and a copper sleeve 6, the copper sleeve 6 is disposed in the cylinder 5 and connected with the cylinder 5, the rotating shaft 23 is in contact with the copper sleeve 6, and after the movable structure 1 is unlocked from the positioning plate 22, the copper sleeve 6 is rotatably connected with the rotating shaft 23, and the positioning plate 22 is supported on an end surface of the copper sleeve 6. Referring to fig. 1, the positioning plate 22 is supported on the copper bush 6 to restrict the positioning plate 22 and the rotating shaft 23 from moving downward in the axial direction.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 1, the fixing assembly further includes a positioning ring 7 and a fixing plate 8, the fixing plate 8 is disposed below the cylinder 5 and connected to the cylinder 5, a stepped hole is disposed on the cylinder 5, the copper bush 6 is located in the stepped hole, the positioning ring 7 is disposed below the copper bush 6, and the copper bush 6 and the positioning ring 7 are clamped between the fixing plate 8 and a horizontal end surface of the stepped hole, so as to fix the copper bush 6 on the cylinder 5.
As an optional implementation manner of the embodiment of the present invention, the movable assembly 2 includes a rotating plate 24, the rotating plate 24 is disposed below the fixed assembly, the rotating shaft 23 extends into the rotating plate 24, a connecting portion 25 extending away from the center of the rotating shaft 23 is disposed in the circumferential direction of the rotating shaft 23, a stepped hole is disposed on the rotating plate 24, the connecting portion 25 is located in the stepped hole, and the connecting portion 25 is connected to the rotating plate 24. The rotating plate 24 can limit the rotating shaft 23 and the positioning plate 22 to move upwards along the axial direction; the pivotal plate 24 and the connecting portion 25 may be connected by countersunk screws in order to avoid interference between the connecting member between the pivotal plate 24 and the pivotal shaft 23 and the fixed plate 8.
An upper limb rehabilitation training system comprises a rotary positioning mechanism. The pivotal plate 24 and the fixed plate 8 of the pivotal positioning mechanism may be connected to two different components to effect pivotal connection of the two different components.
The operation process of the rotary positioning mechanism provided by the invention is as follows:
referring to fig. 6, the rotational positioning mechanism is in an initial state, and the rotating plate 24 is perpendicular to the fixed plate 8; lifting the movable structure 1 upwards, see fig. 7, to release the locking of the movable assembly 2 by the movable structure 1; rotating the movable assembly 2 until the rotating plate 24 and the fixed plate 8 are parallel to each other, see fig. 8; the applied external force is cancelled, the movable structure 1 automatically resets under the action of the elastic piece 13, and at the moment, the movable structure 1 locks the movable assembly 2.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. A rotary positioning mechanism is characterized by comprising a movable component (2) and a fixed component, wherein,
the fixed component comprises a movable structure (1), the movable structure (1) is connected with the movable component (2) in an inserting mode so that the movable component (2) and the fixed component are matched with each other to form positioning, force is applied to the movable structure (1) to enable the movable structure (1) to move so as to release the connection between the movable structure (1) and the movable component (2), and the movable component (2) is rotatably connected with the fixed component;
the movable structure (1) comprises a positioning pin (11), the movable assembly (2) comprises a positioning hole (21), the positioning pin (11) is matched with the positioning hole (21), and the positioning pin (11) is only inserted into the positioning hole (21); the positioning holes (21) are distributed along the circumferential direction of the movable assembly (2);
the fixed component is provided with a limiting hole (3), the movable structure (1) is inserted into the limiting hole (3), and the limiting hole (3) limits the movable structure (1) to move only along the axial direction of the movable structure (1);
the fixed assembly comprises a hatch cover (4), the movable structure (1) penetrates through the hatch cover (4), a limiting structure (12) is arranged on the part, extending into the hatch cover (4), of the movable structure (1), an elastic piece (13) is clamped between the hatch cover (4) and the limiting structure (12), and when the movable structure (1) moves towards the direction far away from the movable assembly (2), the elastic piece (13) is in a compressed state;
the movable assembly (2) comprises a positioning plate (22) and a rotating shaft (23) arranged below the positioning plate (22), the positioning plate (22) and the rotating shaft (23) extend into the fixed assembly, the positioning plate (22) and the rotating shaft (23) are clamped on the fixed assembly and can rotate relative to the fixed assembly, the positioning plate (22) is connected with the rotating shaft (23), and the movable structure (1) can extend into the positioning plate (22);
fixed subassembly includes barrel (5) and copper sheathing (6), copper sheathing (6) set up in barrel (5) and with barrel (5) are connected, axis of rotation (23) with copper sheathing (6) contact and work as but mobile structure (1) with locating plate (22) remove the locking back, copper sheathing (6) with axis of rotation (23) rotate and are connected, locating plate (22) support be in on the terminal surface of copper sheathing (6).
2. The rotational positioning mechanism according to claim 1, wherein the limiting hole (3) is a kidney-shaped hole.
3. The rotating positioning mechanism according to claim 1, characterized in that the fixing assembly further comprises a positioning ring (7) and a fixing plate (8), the fixing plate (8) is disposed below the cylinder (5) and connected with the cylinder, a stepped hole is disposed on the cylinder (5) and the copper sleeve (6) is located in the stepped hole, the positioning ring (7) is disposed below the copper sleeve (6) and the positioning ring (7) are clamped between the fixing plate (8) and the horizontal end face of the stepped hole.
4. The rotary positioning mechanism according to claim 1, wherein the movable assembly (2) comprises a rotating plate (24), the rotating plate (24) is arranged below the fixed assembly, the rotating shaft (23) extends into the rotating plate (24), a connecting portion (25) extending away from the center of the rotating shaft (23) is arranged in the circumferential direction of the rotating shaft (23), a stepped hole is formed in the rotating plate (24), the connecting portion (25) is located in the stepped hole, and the connecting portion (25) is connected with the rotating plate (24).
5. An upper limb rehabilitation training system comprising the rotary positioning mechanism of any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555041.XA CN110219883B (en) | 2019-06-25 | 2019-06-25 | Rotary positioning mechanism and upper limb rehabilitation training system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555041.XA CN110219883B (en) | 2019-06-25 | 2019-06-25 | Rotary positioning mechanism and upper limb rehabilitation training system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110219883A CN110219883A (en) | 2019-09-10 |
| CN110219883B true CN110219883B (en) | 2020-12-01 |
Family
ID=67814547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910555041.XA Active CN110219883B (en) | 2019-06-25 | 2019-06-25 | Rotary positioning mechanism and upper limb rehabilitation training system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110219883B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5694818A (en) * | 1995-12-11 | 1997-12-09 | Nickipuck; Michael F. | Locking joint for a ratchet wrench |
| CN101205946A (en) * | 2006-12-15 | 2008-06-25 | 岩崎精机股份有限公司 | Hinge mechanism |
| CN101209738A (en) * | 2007-12-25 | 2008-07-02 | 宁波翔鹰车业有限公司 | Folding device |
| CN101431548A (en) * | 2008-11-12 | 2009-05-13 | 上海德门电子科技有限公司 | Double-turning shaft apparatus used for mobile phone |
| CN101535663A (en) * | 2006-11-06 | 2009-09-16 | 三菱制钢株式会社 | Hinge mechanism |
-
2019
- 2019-06-25 CN CN201910555041.XA patent/CN110219883B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5694818A (en) * | 1995-12-11 | 1997-12-09 | Nickipuck; Michael F. | Locking joint for a ratchet wrench |
| CN101535663A (en) * | 2006-11-06 | 2009-09-16 | 三菱制钢株式会社 | Hinge mechanism |
| CN101205946A (en) * | 2006-12-15 | 2008-06-25 | 岩崎精机股份有限公司 | Hinge mechanism |
| CN101209738A (en) * | 2007-12-25 | 2008-07-02 | 宁波翔鹰车业有限公司 | Folding device |
| CN101431548A (en) * | 2008-11-12 | 2009-05-13 | 上海德门电子科技有限公司 | Double-turning shaft apparatus used for mobile phone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110219883A (en) | 2019-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110219883B (en) | Rotary positioning mechanism and upper limb rehabilitation training system | |
| CN109469698B (en) | Single-point rotation limiting mechanism | |
| CN105470766B (en) | A kind of collector ring automatic centering vibration damping brush assembly of electric | |
| CN107318063A (en) | A kind of helmet with earphone | |
| CN110401081B (en) | Rotating shaft connector | |
| CN206802662U (en) | Rotary draw bail and rotary clamp bracket | |
| CN214176684U (en) | Cable transceiver for communication engineering | |
| CN107734414B (en) | Headset | |
| CN220284951U (en) | Shower head sliding seat | |
| CN208173901U (en) | A kind of rotary connector | |
| CN201293040Y (en) | Multi-shaft articulated mechanism | |
| CN106764007B (en) | Reset mechanism of two-way corner of dabber | |
| CN110926010A (en) | Air conditioner installation component and air conditioner component | |
| CN105972063A (en) | Multi-freedom-degree adapting mechanism of elastic board | |
| CN104950996B (en) | A kind of electronic equipment | |
| CN218266781U (en) | Painting book rotation supporting assembly with damping staying feeling | |
| CN220047055U (en) | Steering control structure | |
| CN220572638U (en) | Spring leg and launching structure of pinball game machine | |
| CN110562440A (en) | three-degree-of-freedom pilot operating device | |
| CN220777524U (en) | Magnetic connection mechanism of helmet additional equipment and helmet comprising magnetic connection mechanism | |
| CN207583765U (en) | A kind of lifting rod component | |
| CN220534250U (en) | Mechanical arm | |
| CN216016872U (en) | Mounting device, electronic apparatus, and optical fiber access system | |
| CN208978211U (en) | Operation panel and injection molding machine with it | |
| CN219439890U (en) | Limb training device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |