CN110735866A - Adjustable motion self-locking system - Google Patents
Adjustable motion self-locking system Download PDFInfo
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- CN110735866A CN110735866A CN201810797829.7A CN201810797829A CN110735866A CN 110735866 A CN110735866 A CN 110735866A CN 201810797829 A CN201810797829 A CN 201810797829A CN 110735866 A CN110735866 A CN 110735866A
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- 230000009471 action Effects 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
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- 238000011084 recovery Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/14—Details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Push-Button Switches (AREA)
Abstract
The invention provides adjustable motion self-locking systems, which comprise an outer sleeve structure, a motion piece, a clamping piece and a switch structure, wherein an accommodating space is arranged on the outer sleeve structure, the motion piece is embedded and installed in the accommodating space, the accommodating space comprises a clamping guide part, the inner wall surface of the clamping guide part forms a locking action surface, the clamping piece is installed in the clamping guide part in a sliding mode, a shifting piece is connected to the clamping piece in a sliding mode, the switch structure is fixedly connected or connected with the outer sleeve structure in a sliding mode, the shifting piece is driven by the switch structure to deform, recover or move, the clamping piece is driven to slide in the clamping guide part, and the switching between the locking state and the unlocking state of the clamping piece is achieved.
Description
Technical Field
The invention relates to the field of braking equipment, in particular to an adjustable motion self-locking system.
Background
An electromagnetic brake device provided in patent document CN105584951B includes a brake shoe capable of sliding contact with a braked body, an armature supporting the brake shoe, a plurality of brake springs pressing the armature to apply a force to the brake shoe in a braking direction, and an electromagnet main body electromagnetically attracting the armature against an urging force of the brake springs to drive the brake shoe in a direction away from the braked body, wherein: the patent document describes that noise such as collision noise during braking can be stably suppressed for a long period of time by providing a laminated compression rubber in which a plurality of layers of compression rubber are laminated in the braking direction of the armature and being compressed when the armature moves in the braking direction to act as a reaction force of a brake spring. However, in an application where the external magnetic field strength is large and the magnetic field change is complicated, a pure electromagnetic braking structure lacks sufficient operational stability.
Disclosure of Invention
In view of the shortcomings in the prior art, it is an object of the present invention to provide adjustable motion self-locking systems.
The adjustable motion self-locking system provided by the invention comprises an outer sleeve structure, a motion piece, a clamping piece and a switch structure;
the outer sleeve is structurally provided with an accommodating space, and the moving part is nested in the accommodating space; the accommodating space comprises a clamping guide part, and the inner wall surface of the clamping guide part forms a locking action surface;
the clamping piece is slidably arranged in the clamping guide part, and a shifting piece is connected to the clamping piece; the switch structure is fixedly connected or slidably connected with the outer sleeve structure, the switch structure drives the shifting sheet to deform, recover or move, the clamping piece is driven to slide in the clamping guide part, and the switching of the clamping piece between the locking state and the unlocking state is realized:
in the locking state, the clamping piece is simultaneously contacted with the action surface of the moving piece and the lock; in the unlocked state, the engaging member is in contact with only the moving member or only the lock operation surface.
Preferably, the shifting piece comprises an elastic shifting piece, a driving hole is formed in the elastic shifting piece, the switch structure comprises a switch stud, and the radial position of the switch stud on the outer sleeve structure can be adjusted; the far end of the switch stud forms a support hole end which can be inserted into the driving hole and causes the elastic shifting piece to elastically deform or recover; or,
the plectrum contains th permanent magnet, the switch structure contains rigid body or second permanent magnet, and the switch structure drives th permanent magnet motion.
Preferably, the outer sleeve structure comprises a sleeve main body and a sleeve fitting, and the sleeve main body, the sleeve fitting and the switch structure are sequentially connected;
the sleeve fitting is provided with a displacement guide hole, the displacement guide hole reaches the inner space of the accommodating space, and the shifting piece penetrates through the displacement guide hole in the length extension direction and can slide in the axial direction relative to the displacement guide hole.
Preferably, the switch structure comprises a piece of piezoelectric material or a piece of magnetostrictive material; or,
an electrostatic electrode group is formed between the far end of the switch structure and the poking sheet.
Preferably, the outer sleeve structure is also provided with a wire hub, and the wire hub is provided with an electromagnetic coil;
the switch structure is fixedly or slidably mounted in an axial through hole in the wire hub, and the poking piece comprises a magnet part.
Preferably, the switch structure is screwed in the axial through hole of the hub, the radial position of the switch structure on the outer sleeve structure being adjustable;
the poking sheet is provided with a permanent magnet, and the permanent magnet forms a magnet part; the switch structure includes a core portion of iron.
Preferably, the guide sleeve further comprises a guide sleeve, the outer sleeve structure is detachably assembled in the guide sleeve, and the pivot knot penetrates through the accommodating space on the outer sleeve structure and then reaches the second axial hole of the guide sleeve.
Preferably, or more switch structures are circumferentially arranged on the outer sleeve structure, the switch structures corresponding to the paddle ;
a plurality of clamping pieces are connected to the single shifting piece and are located in different clamping guide portions.
Preferably, the engaging guide portion includes any one of types of structures:
-an aperture that is continuous 360 degrees in the circumferential direction;
-a grooved structure arranged intermittently in the circumferential direction.
Preferably, the shape of the driving hole is C-shaped or diamond-shaped;
the clamping piece comprises a ball structure, a square block or a wedge-shaped block.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the switch structure is used for simultaneously controlling the plurality of clamping pieces to lock the moving piece, so that the braking effect is good; in addition, the switch can be selected from various forms such as manual operation, electric operation or combination thereof, and the adaptability to the use environment is greatly improved.
2. The invention can simultaneously realize the functions of electromagnetic braking and manual braking, and can still realize braking through manually rotating the switch structure under the environment of unexpected power failure or strong external interference magnetic field, thereby improving the use safety.
3. The invention has compact structure, reduced overall size, reduced manufacturing cost in aspect, and suitability for narrow space in aspect.
4. The invention has reasonable design and reliable strength and can be suitable for occasions with large load working conditions.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of an adjustable motion self-locking system in an embodiment;
FIG. 2 is a partial enlarged view of the outer sleeve structure in the embodiment;
FIG. 3 is a schematic structural view of an adjustable motion self-locking system according to a variation;
FIG. 4 is a partial enlarged view of the outer sleeve in a variation, when not energized;
fig. 5 is a partially enlarged view of the outer sleeve structure in the case of energization in the modification.
The figures show that:
Detailed Description
The present invention is described in detail below with reference to specific examples, which will assist those skilled in the art to further the present invention but not to limit the invention in any way.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 and 2, in the embodiment, the adjustable movement self-locking system provided by the invention comprises an outer sleeve structure, a moving element 5, a snap element 7 and a switch structure 4, wherein the outer sleeve structure is provided with a containing space 8, the moving element 5 is nested in the containing space 8, the containing space 8 comprises a snap guide portion 9, the inner wall surface of the snap guide portion 9 forms a locking action surface 10, the snap element 7 is slidably installed in the snap guide portion 9, a plurality of snap elements 7 are connected with elastic shifting pieces 6, the switch structure 4 is fixedly or slidably connected with the outer sleeve structure, the switch structure 4 drives the elastic shifting pieces 6 to deform or recover to drive the snap elements 7 to slide in the snap guide portion 9, so that the transition between the locked state and the unlocked state of the snap element 7 is realized, the locked state is that the snap elements 7 are simultaneously in contact with the moving element 5 and the locking action surface 10, the unlocked state is that the snap elements 7 are only in contact with the moving element 5 or only in contact with the locking action surface 10, the locked state is that the elastic shifting pieces 6 are only in contact with the moving element 7, or only with the locking action surface 10, the locking action surface 7, the sliding surface is preferably in the direction of the sliding guide structure, the sliding guide portion of the sliding guide structure, the sliding guide portion of the sliding guide portion, the sliding guide portion is preferably the sliding guide portion, the sliding guide portion, the sliding guide portion, the sliding portion is preferably the sliding portion, the sliding.
In practical application, the moving element 5 may be a shaft structure as shown in fig. 1, and may also be a rotating shaft or a rotating disk structure, for the rotating shaft or the rotating disk structure, the corresponding engaging guide portion 9 is a slotted structure in which the depth of the intermittently arranged slots in the circumferential direction (the circumferential direction is the circumferential direction corresponding to the rotation track of the moving element 5) changes, and in the locked state, the engaging element 7 is prevented from rotating by using the side wall of the slot, preferably, the sliding process of the engaging element 7 in the engaging guide portion 9 may be not only the approaching or separating between two engaging elements 7, but also the entire elastic shifting piece 6 moves toward directions, and only engaging elements 7 are engaged at time, so as to implement unidirectional self-locking.
The elastic shifting piece 6 is provided with a driving hole 11, the switch structure 4 comprises a switch stud, the radial position of the switch stud on the outer sleeve structure can be adjusted, a hole supporting end is formed at the far end of the switch stud, and the hole supporting end can be inserted into the driving hole 11 and causes elastic deformation or recovery of the elastic shifting piece 6. Preferably, the driving hole 11 has a C-shape or a diamond shape.
In a variation, the elastic pulling piece 6 may also be another type of pulling piece, for example, the pulling piece includes th permanent magnets, the switch structure 4 includes rigid bodies or second permanent magnets, and the switch structure 4 drives th permanent magnets to move, and specific implementation processes include, for example, 1) two pulling pieces including th permanent magnets are oppositely disposed, and by mutual attraction of the two th permanent magnets, the engaging piece 7 is in a state of locking the moving piece 5 when the switch structure 4 is not actuated, at this time, the two th permanent magnets are magnetically connected and may have a gap of , the switch structure 4 is a rigid body, and when the switch structure 4 is radially inwardly moved, the gap is spread, so that the two engaging pieces 7 move back to complete unlocking the moving piece 5, 2) the two pulling pieces including th permanent magnets are oppositely disposed, and by mutual repulsion of the two th permanent magnets, so that when the switch structure 4 is not actuated, the engaging piece 7 is in a state of unlocking the moving piece 5, the switch structure 4 is a second permanent magnet, and when the switch structure is radially inwardly moved, the two pulling pieces are radially inwardly moved, and the two second permanent magnets are both of the engaging pieces are attracted to perform different working processes, so that the corresponding to the corresponding locking structures 367 may be determined according to different situations.
The outer sleeve structure comprises a sleeve main body 2 and a sleeve accessory 3, wherein the sleeve main body 2, the sleeve accessory 3 and the switch structure 4 are sequentially connected; the sleeve fitting 3 is provided with a displacement guide hole 12, the displacement guide hole 12 reaches the inner space of the accommodating space 8, and the elastic shifting piece 6 penetrates through the displacement guide hole 12 in the length extending direction and can slide relative to the displacement guide hole 12 in the axial direction.
The switch structure 4 comprises a piece of piezoelectric material or magnetostrictive material; alternatively, an electrostatic electrode group is formed between the distal end of the switch structure 4 and the elastic paddle 6. When the switch structure 4 is a piezoelectric material, if the piezoelectric material is powered on or powered off, the length of the switch structure will change, and then the elastic shifting piece 6 is driven to elastically deform or recover, so as to complete locking or unlocking of the clamping piece 7. Similarly, when the switch structure 4 is made of magnetostrictive material, the length of the switch structure can be changed through a magnetic field. When the electrostatic electrode group is formed between the distal end of the switch structure 4 and the elastic pull tab 6, the two are not in direct contact, and the elastic pull tab 6 is elastically deformed or restored by introducing the same charge or opposite charges.
As shown in fig. 3, in a variation, the outer sleeve structure is further provided with a wire hub 13, the wire hub 13 is provided with an electromagnetic coil 14, the switch structure 4 is fixedly or slidably mounted in an axial through hole of the wire hub 13, the elastic pulling piece 6 comprises a magnet portion, preferably, the switch structure 4 is screwed in the axial through hole of the wire hub 13, the radial position of the switch structure 4 on the outer sleeve structure can be adjusted, preferably, the elastic pulling piece 6 is provided with a permanent magnet 15, the permanent magnet 15 forms the magnet portion, the switch structure 4 comprises a core portion, preferably, the wire hub 13 is mounted on the sleeve fitting 3, in practical application, as shown in fig. 4, the electromagnetic coil 14 can manually rotate the switch structure 4 under the condition of no power supply, under the pressing of the switch structure 4, the elastic pulling piece 6 bends toward the side where the moving piece 5 is located, the elastic pulling the two ends of the elastic pulling piece 7 inward, locking the moving piece 5, when the moving piece is reversely screwed out of the switch structure 4, the elastic pulling piece 7 outward, and pulling the electromagnetic pulling the elastic pulling piece 6 out of the switch structure to enable the electromagnetic coil 14 to be locked, and the electromagnetic coil 14 to be locked, when the magnetic pulling force is applied, the electromagnetic coil 14 is just as the elastic pulling force, the switch structure is applied, the magnetic pulling the switch structure is applied, and the electromagnetic coil 14, the electromagnetic coil 14 is applied to be adjusted to be just as a small distance, the magnetic pulling force when the magnetic pulling force is equal to be adjusted, the magnetic pulling force is equal to be equal.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
- The adjustable motion self-locking system is characterized by comprising an outer sleeve structure, a motion piece (5), a clamping piece (7) and a switch structure (4);the outer sleeve is structurally provided with an accommodating space (8), and the moving part (5) is nested in the accommodating space (8); the accommodating space (8) comprises an engagement guide part (9), and the inner wall surface of the engagement guide part (9) forms a locking action surface (10);the clamping piece (7) is slidably arranged in the clamping guide part (9), and the clamping piece (7) is connected with a shifting sheet; the switch structure (4) is fixedly connected or slidably connected with the outer sleeve structure, the switch structure (4) drives the shifting sheet to deform, recover or move to drive the clamping piece (7) to slide in the clamping guide part (9), and the switching of the clamping piece (7) between the locking state and the unlocking state is realized:in the locking state, the clamping piece (7) is simultaneously contacted with the moving piece (5) and the locking action surface (10); in the unlocked state, the engaging piece (7) is in contact with only the moving piece (5) or only the lock acting surface (10).
- 2. The adjustable motion self-locking system according to claim 1, wherein the shifting piece comprises an elastic shifting piece (6), a driving hole (11) is arranged on the elastic shifting piece (6), the switch structure (4) comprises a switch stud, and the radial position of the switch stud on the outer sleeve structure can be adjusted; the far end of the switch stud forms a support hole end which can be inserted into the driving hole (11) and causes the elastic shifting piece (6) to elastically deform or recover; or,the plectrum contains th permanent magnet, switch structure (4) contain rigid body or second permanent magnet, and switch structure (4) drive th permanent magnet motion.
- 3. The adjustable motion self-locking system according to claim 1, wherein the outer sleeve structure comprises a sleeve body (2) and a sleeve fitting (3), and the sleeve body (2), the sleeve fitting (3) and the switch structure (4) are connected in sequence;the sleeve fitting (3) is provided with a displacement guide hole (12), the displacement guide hole (12) reaches the inner space of the accommodating space (8), and the shifting piece penetrates through the displacement guide hole (12) in the length extending direction and can slide in the axial direction relative to the displacement guide hole (12).
- 4. The adjustable motion self-locking system according to claim 1, wherein the switch structure (4) comprises a piece of piezoelectric material or a piece of magnetostrictive material; or,an electrostatic electrode group is formed between the far end of the switch structure (4) and the poking sheet.
- 5. The adjustable motion self-locking system according to claim 1, wherein the outer sleeve is further structurally provided with a wire hub (13), and the wire hub (13) is provided with an electromagnetic coil (14);the switch structure (4) is fixedly or slidably mounted in an axial through hole in the wire hub (13), and the poking piece comprises a magnet part.
- 6. The adjustable kinematic self-locking system according to claim 5, characterized in that the switch structure (4) is screwed in an axial through hole of the hub (13), the radial position of the switch structure (4) on the outer sleeve structure being adjustable;the plectrum is provided with a permanent magnet (15), and the permanent magnet (15) forms a magnet part; the switch structure (4) comprises a core of iron.
- 7. The adjustable motion self-locking system according to claim 1, further comprising a guide sleeve (1), wherein the outer sleeve structure is detachably assembled in the guide sleeve (1), and the pivot joint penetrates through the accommodating space (8) on the outer sleeve structure and then reaches the second axial opening (16) of the guide sleeve (1).
- 8. The adjustable motion self-locking system according to claim 1, wherein or more switch structures (4) are circumferentially arranged on the outer sleeve structure, the switch structures (4) corresponding to the plectrum ;a plurality of clamping pieces (7) are connected to the single poking piece, and the clamping pieces (7) are located in different clamping guide parts (9).
- 9. The adjustable motion self-locking system according to claim 8, wherein the engaging guide (9) comprises any of structures:-an aperture that is continuous 360 degrees in the circumferential direction;-a grooved structure arranged intermittently in the circumferential direction.
- 10. The adjustable kinematic self-locking system according to claim 2, characterized in that the driving hole (11) is C-shaped or diamond-shaped;the clamping piece (7) comprises a ball structure, a square block or a wedge-shaped block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797829.7A CN110735866A (en) | 2018-07-19 | 2018-07-19 | Adjustable motion self-locking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797829.7A CN110735866A (en) | 2018-07-19 | 2018-07-19 | Adjustable motion self-locking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110735866A true CN110735866A (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810797829.7A Pending CN110735866A (en) | 2018-07-19 | 2018-07-19 | Adjustable motion self-locking system |
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| Country | Link |
|---|---|
| CN (1) | CN110735866A (en) |
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2018
- 2018-07-19 CN CN201810797829.7A patent/CN110735866A/en active Pending
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