CN208236923U - Self-locking axle system - Google Patents
Self-locking axle system Download PDFInfo
- Publication number
- CN208236923U CN208236923U CN201820474531.8U CN201820474531U CN208236923U CN 208236923 U CN208236923 U CN 208236923U CN 201820474531 U CN201820474531 U CN 201820474531U CN 208236923 U CN208236923 U CN 208236923U
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- Prior art keywords
- self
- sleeve
- locking
- magnet
- axle
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Abstract
The utility model provides a kind of self-locking axle system, is mounted in the axial aperture of sleeve (4) comprising axle construction (1), sleeve (4) and magnetic padlock structure, axle construction (1) nesting;The axial aperture inner space forms accommodation space;Self-locking guide surface is provided on axle construction (1) and/or sleeve (4);On self-locking axle system vertical section, the central axes of the relatively self-locking axle system of self-locking guide surface are obliquely extended;The magnetic padlock structure includes magnet actuator and magnet fastener, and magnet actuator driving magnet fastener is moved along self-locking guide surface, and magnet fastener is converted between locked state and unlocked state both states.The utility model it is self-locking in very a wide range of can be also able to achieve power choosing suitable material and in the case where process of surface treatment, when so that the tensile strength and surface hardness and barrel bore surface hardness of axis being met the requirements, even if mechanism size very little.
Description
Technical field
The utility model relates to magnetic brake construction applications, and in particular, to a kind of self-locking axle system.
Background technique
Magnetic brake controls effective due to having many advantages, such as that principle is simple, has been applied in a variety of occasions.In the prior art,
Generally use the structure of electromagnetic braking, for example, the electro-magnetic braking device that provides of patent document CN105584951B include can be with quilt
The brake shoe of brake body sliding contact, presses armature and applies brake shoe towards braking direction the armature for supporting brake shoe
Multiple tripping springs of power, resist tripping spring active force armature electromagnetic attraction is driven to the direction far from braked body
The electromagnetism phosphor bodies of dynamic brake shoe, in which: be provided with and constitute compressing rubber lamination multilayer on the braking direction of armature
Laminated type compressing rubber, the counter-force when armature is mobile to braking direction by compression and as tripping spring work, specially according to this
Sharp document readme can inhibit the noises such as collision sound when braking steadily in the long term.But for electromagnetic brake structure, due to needing
Want the power supply of corresponding control switch and continued power, constructively still seem complicated, be poorly suitable for small space braking (or
It is self-locking).And general purely mechanic brake structure is then easy to appear connection and loosens, the defect of fatigue failure.
Utility model content
For the defects in the prior art, the purpose of the utility model is to provide a kind of self-locking axle systems.
It include axle construction, sleeve and magnetic padlock structure according to self-locking axle system provided by the utility model, axle construction is nested
It is mounted in the axial aperture of sleeve;The axial aperture inner space forms accommodation space;
Self-locking guide surface is provided in axle construction and/or sleeve;On self-locking axle system vertical section, self-locking guide surface is opposite
The central axes of self-locking axle system are obliquely extended;
The magnetic padlock structure includes magnet actuator and magnet fastener, and magnet actuator driving magnet fastener is along self-locking
Guide surface movement, enables magnet fastener to convert between locked state and unlocked state both states.
Preferably, the axial aperture of the sleeve includes taper hole section, and the wall surface of the hole of taper hole section forms described self-locking lead
To face;Alternatively,
Skewed slot is provided on the inner wall of sleeve, one or more skewed slots are arranged along sleeve circumferential direction, the skewed slot
Groove bottom forms the self-locking guide surface.
Preferably, the magnet fastener includes magnet ball, under the locked state, magnet ball simultaneously with axle construction, set
Cylinder contact;Under the unlocked state, magnet ball only with axle construction or only with barrel contacts.
Preferably, displacement guide groove is additionally provided in the axle construction;One or more displacement guide groove is along axle construction
Circumferential direction arrangement;
The displacement guide groove and magnet ball correspond.
It preferably, also include bottom cover, bottom cover is securedly mounted on sleeve;The axle construction includes the receiving unit being fastenedly connected
With axle portion;
Bottom cover, receiving unit are located at the both ends of sleeve in axial direction, and axle portion nesting is mounted on the axial aperture of sleeve
In.
Preferably, the other end at axle portion end where opposite receiving unit along axial both ends, by the elastomer of setting and
The bottom cover is connected.
Preferably, magnet installation set is provided on the sleeve, the magnet actuator is installed in magnet installation set;
The magnet actuator includes permanent magnet actuator.
Preferably, sleeve includes the first radial support portion on axially extending direction;
Radial support ring is additionally provided in the axial aperture of sleeve, axle construction sequentially passes through first on axially extending direction
Radial support portion and radial support ring.
Preferably, offered on the sleeve it is following any one or appoint multiple radial apertures:
-- fastener window;
-- shaft end window;
The radial aperture and axial aperture are interconnected.
Preferably, along the axis projection of self-locking axle system, the outer profile of sleeve is mutually be overlapped with the outer profile of magnet actuator
It is folded.
Compared with prior art, the utility model have it is following the utility model has the advantages that
1, the utility model can be in the case where choosing suitable material and process of surface treatment, so that the tensile strength of axis
When meeting the requirements with surface hardness and barrel bore surface hardness, even if mechanism size very little, power is also able to achieve very big
It is self-locking in range.
2, unless axis and barrel bore surface is crushed or mechanism collapse, otherwise axis can not be transported reversely in the utility model
It is dynamic, overcome the defect that traditional pure mechanic structure is easy loosening, fatigue failure.
3, the utility model elastomer plays the effect for adjusting forward motion rule, chooses different elastomers, can make
The rule for obtaining forward motion is adjustable.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is the schematic diagram of the section structure under self-locking axle system one embodiment provided by the utility model;
Fig. 2 is the schematic diagram of the section structure under another embodiment of self-locking axle system provided by the utility model;
It is shown in figure:
Specific embodiment
The utility model is described in detail combined with specific embodiments below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These are all within the protection scope of the present invention.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Self-locking axle system provided by the utility model, includes axle construction 1, sleeve 4 and magnetic padlock structure, and axle construction 1 is nested
It is mounted in the axial aperture of sleeve 4;The axial aperture inner space forms accommodation space, in axle construction 1 and/or sleeve 4
It is provided with self-locking guide surface.On self-locking axle system vertical section, the central axes of the relatively self-locking axle system of self-locking guide surface are oblique to prolong
It stretches, the magnetic padlock structure includes magnet actuator and magnet fastener, and magnet actuator driving magnet fastener is along self-locking guiding
Face movement, enables magnet fastener to convert between locked state and unlocked state both states.Institute as shown in Figure 1, Figure 2
Show, in embodiment, the axial aperture of the sleeve 4 includes taper hole section 8, and the wall surface of the hole of taper hole section 8 forms described self-locking lead
To face, 8 inner space of taper hole section forms conical cavity, and taper meets special angle area requirement.The magnet fastener includes
Magnet ball 5, the magnet ball 5 can be permanent magnet, can also be bead made of the only material such as iron, cobalt, nickel.
Under the locked state, magnet ball 5 is contacted with axle construction 1, sleeve 4 simultaneously;Under the unlocked state, magnet ball 5
Only contacted with axle construction 1 or only with sleeve 4.Preferably, displacement guide groove is additionally provided in the axle construction 1;One or more
A displacement guide groove arranges that the displacement guide groove and magnet ball 5 are corresponded along the circumferential direction of axle construction 1, displacement guiding
Slot, which is played, forms guiding role to the movement of magnet ball 5.Preferably, one-to-one correspondence herein is not and corresponds in exponential quantity,
And refer to and be provided with magnet ball 5 in each guide groove, such as is shown in FIG. 1, two can be correspondingly arranged in each guide groove
A or more magnet ball 5, the diameter dimension of these magnet balls 5 can be inconsistent, in order to the edge in the space of taper
Axially it is arranged successively.Furthermore bottom cover 7 is additionally provided in the utility model, bottom cover 7 is securedly mounted on sleeve 4;The axle construction 1
Comprising the receiving unit 9 being fastenedly connected and axle portion 10, bottom cover 7, receiving unit 9 are located at the both ends of sleeve 4 in axial direction, axle portion
10 nestings are mounted in the axial aperture of sleeve 4.Under locked state, axle construction 1 can be under the guiding of sleeve 4 to 7 institute of bottom cover
Direction move, when counter motion, axle construction 1 will be formed with magnet ball 5 it is self-locking, axle construction 1 can not counter motion, unless axis
Structure 1 or 4 surface of internal cavity of sleeve are crushed or overall mechanism is destroyed.Preferably, axle portion 10 is opposite along axial both ends receives
The other end at 9 place end of portion is connected by the elastomer 6 of setting with the bottom cover 7.Elastomer 6, which plays, adjusts forward motion rule
The effect of rule, chooses different elastomers 6, and the rule of forward motion can be adjusted accordingly.In change case, sleeve 4
It can also be on inner wall and be provided with skewed slot, one or more skewed slots are arranged along 4 circumferential direction of sleeve, the groove bottom of the skewed slot
Form the self-locking guide surface.
In embodiment, magnet installation set 2 is provided on the sleeve 4, the magnet actuator installs magnet installation set 2
On, the magnet actuator includes permanent magnet actuator 3, and magnet ball 5 can constantly be adsorbed on sealed by permanent magnet actuator 3
The corresponding position of state, certainly, the magnet actuator are also possible to electromagnetic drive member, pass through control system of switching on or off electricity magnet ball 5
Unlocking and unlock, but need to provide additional power supply architecture.Preferably, sleeve 4 includes first on axially extending direction
Radial support portion 11, is additionally provided with radial support ring 12 in the axial aperture of sleeve 4, axle construction 1 on axially extending direction according to
It is secondary to run through the first radial support portion 11 and radial support ring 12.First radial support portion 11 is played with radial support ring 12 to axis knot
The position-limiting action of the radial position of structure 1 guarantees that axle construction 1 linearly moves.Preferably, offered on the sleeve 4 with
It descends any one or appoints multiple radial apertures: fastener window 13;Shaft end window 14, the radial aperture are mutually interconnected with axial aperture
It is logical.As shown in Fig. 2, the fastener window 13 is corresponding with the position of magnet ball 5, the working condition of magnet ball 5 can be run through,
Perhaps magnet ball 5 can be removed or placed into from fastener window 13 to complete unidirectional self-lock or Bidirectional unlocking.Preferably,
Along the axis projection of self-locking axle system, the outer profile of the outer profile and magnet actuator of sleeve 4 overlaps, and can be improved in this way
The mounting stability of the utility model can be made small on mechanism size, adapt to the installation of small space, meanwhile, it chooses
The case where suitable material and process of surface treatment, makes 4 surface of internal cavity of tensile strength and surface hardness and sleeve of axle construction 1
When hardness is met the requirements, even if mechanism size very little, it is self-locking in very a wide range of to be also able to achieve power.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.In the absence of conflict, the spy in embodiments herein and embodiment
Sign can be arbitrarily combined with each other.
Claims (10)
1. a kind of self-locking axle system, which is characterized in that embedding comprising axle construction (1), sleeve (4) and magnetic padlock structure, axle construction (1)
Set is mounted in the axial aperture of sleeve (4);The axial aperture inner space forms accommodation space;
Self-locking guide surface is provided on axle construction (1) and/or sleeve (4);On self-locking axle system vertical section, self-locking guide surface phase
The central axes of self-locking axle system are obliquely extended;
The magnetic padlock structure includes magnet actuator and magnet fastener, and magnet actuator driving magnet fastener is along self-locking guiding
Face movement, enables magnet fastener to convert between locked state and unlocked state both states.
2. self-locking axle system according to claim 1, which is characterized in that the axial aperture of the sleeve (4) includes taper
Hole section (8), the wall surface of the hole of taper hole section (8) form the self-locking guide surface;Alternatively,
Skewed slot is provided on the inner wall of sleeve (4), one or more skewed slots are arranged along sleeve (4) circumferential direction, the skewed slot
Groove bottom form the self-locking guide surface.
3. self-locking axle system according to claim 1, which is characterized in that the magnet fastener includes magnet ball (5), institute
It states under locked state, magnet ball (5) is contacted with axle construction (1), sleeve (4) simultaneously;Under the unlocked state, magnet ball (5) is only
With axle construction (1) or only contacted with sleeve (4).
4. self-locking axle system according to claim 3, which is characterized in that be additionally provided with displacement on the axle construction (1) and lead
To slot;One or more displacement guide groove is arranged along the circumferential direction of axle construction (1);
The displacement guide groove and magnet ball (5) correspond.
5. self-locking axle system according to claim 1, which is characterized in that also include bottom cover (7) bottom cover (7) fastening installation
On sleeve (4);The axle construction (1) includes the receiving unit (9) being fastenedly connected and axle portion (10);
Bottom cover (7), receiving unit (9) are located at the both ends of sleeve (4) in axial direction, and axle portion (10) nesting is mounted on sleeve
(4) in axial aperture.
6. self-locking axle system according to claim 5, which is characterized in that axle portion (10) is opposite along axial both ends to be received
The other end at end, is connected by the elastomer (6) of setting with the bottom cover (7) where portion (9).
7. self-locking axle system according to claim 1, which is characterized in that be provided with magnet installation set on the sleeve (4)
(2), on magnet actuator installation magnet installation set (2);
The magnet actuator includes permanent magnet actuator (3).
8. self-locking axle system according to claim 2, which is characterized in that sleeve (4) is on axially extending direction comprising the
One radial support portion (11);
It is additionally provided in the axial aperture of sleeve (4) radial support ring (12), axle construction (1) is successively passed through on axially extending direction
Wear the first radial support portion (11) and radial support ring (12).
9. self-locking axle system according to claim 1, which is characterized in that offered on the sleeve (4) it is following any one
Or appoint multiple radial apertures:
-- fastener window (13);
-- shaft end window (14);
The radial aperture and axial aperture are interconnected.
10. self-locking axle system according to claim 7, which is characterized in that along the axis projection of self-locking axle system, sleeve
(4) outer profile of outer profile and magnet actuator overlaps.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820474531.8U CN208236923U (en) | 2018-04-04 | 2018-04-04 | Self-locking axle system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820474531.8U CN208236923U (en) | 2018-04-04 | 2018-04-04 | Self-locking axle system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208236923U true CN208236923U (en) | 2018-12-14 |
Family
ID=64585793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820474531.8U Active CN208236923U (en) | 2018-04-04 | 2018-04-04 | Self-locking axle system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208236923U (en) |
-
2018
- 2018-04-04 CN CN201820474531.8U patent/CN208236923U/en active Active
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