CN208379493U - Overload protection arrangement and berth lock - Google Patents
Overload protection arrangement and berth lock Download PDFInfo
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- CN208379493U CN208379493U CN201820331111.4U CN201820331111U CN208379493U CN 208379493 U CN208379493 U CN 208379493U CN 201820331111 U CN201820331111 U CN 201820331111U CN 208379493 U CN208379493 U CN 208379493U
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Abstract
The utility model relates to berth lock technical fields, provide a kind of overload protection arrangement, including pedestal, further includes: first rotating shaft, setting is on the base；Second shaft, setting is on the base；Transmission mechanism is arranged between first rotating shaft and the second shaft for making the two form transmission connection；Protection mechanism is arranged between transmission mechanism and the second shaft for disconnecting the transmission connection between transmission mechanism and the second shaft in overload；And driving mechanism, for driving the rotation of the second shaft.Overload protection arrangement provided by the utility model; first rotating shaft and the second shaft are formed by transmission mechanism to be sequentially connected; protection mechanism is between transmission mechanism and the second shaft; and in overload; protection mechanism disconnects the transmission connection between transmission mechanism and the second shaft, avoids first rotating shaft, the second shaft either transmission mechanism in the event of overloading and is destroyed.The overload protection arrangement is also apply in berth lock.
Description
Technical field
The utility model belongs to the technical field of berth lock, is to be related to a kind of overload protection arrangement and vehicle more specifically
Position lock.
Background technique
As the quantity of automobile is more and more, the quantity in parking lot also increases rapidly, the also day on the parking stall in parking lot
Benefit increases, the safety being parked on parking stall for support vehicles, it usually needs equipped with berth lock on parking stall, but,
When automobile accidentally bumps against berth lock, the transmission mechanism in berth lock be easy to because overload (" overload " refers to: transmission
Mechanism has been more than the maximum load that can be driven in transmission process.In transmission mechanism, such as gear drive, it is assumed that driving gear
Driven gear rotation is driven, if driven gear is because when failure can not rotate, it is normal that driving gear is unable to drive driven gear
The case where rotation, is known as overloading) and damage.
Utility model content
The purpose of this utility model is to provide a kind of overload protection arrangements, to solve berth lock existing in the prior art
In transmission mechanism the technical issues of being easy to appear damage in the event of overloading.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of overload protection arrangement, including base
Seat, further includes:
First rotating shaft is arranged on the pedestal；
Second shaft is arranged on the pedestal；
Transmission mechanism is arranged between the first rotating shaft and second shaft for making the two form transmission connection；
Protection mechanism is arranged between the transmission mechanism and second shaft for disconnecting the transmission in overload
Transmission connection between mechanism and second shaft；And
Driving mechanism, for driving second shaft to rotate.
The utility model also proposed a kind of berth lock, including baffle and the overload protection arrangement, the baffle are fixed
In the first rotating shaft.
The beneficial effect of overload protection arrangement provided by the utility model is: compared with prior art, the utility model
Overload protection arrangement first rotating shaft and the second shaft are formed by transmission mechanism to be sequentially connected, and this transmission connection can be first
Shaft drives the rotation of the second shaft by transmission mechanism, is also possible to the second shaft and drives first rotating shaft to turn by transmission mechanism
It is dynamic.For protection mechanism between transmission mechanism and the second shaft, and in overload, protection mechanism disconnects transmission mechanism and second turn
Transmission connection between axis avoids first rotating shaft, the second shaft either transmission mechanism in the event of overloading and is destroyed.This
Overload protection arrangement can also be applied to berth lock.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the stereoscopic schematic diagram of overload protection arrangement provided by the embodiment of the utility model；
Fig. 2 is the assembly stereoscopic schematic diagram of third gear provided by the embodiment of the utility model；
Fig. 3 is the assembly stereoscopic schematic diagram of second gear provided by the embodiment of the utility model；
Fig. 4 is the stereoscopic schematic diagram of ball provided by the embodiment of the utility model installation；
Fig. 5 is the stereoscopic schematic diagram of spring provided by the embodiment of the utility model installation；
Fig. 6 is the stereoscopic schematic diagram that ball provided by the embodiment of the utility model and spring are installed；
Fig. 7 is the schematic front view that ball provided by the embodiment of the utility model and spring are installed；
Fig. 8 is the stereoscopic schematic diagram of second gear provided by the embodiment of the utility model；
Fig. 9 is the installation diagrammatic cross-section of second gear provided by the embodiment of the utility model；
Figure 10 is the scheme of installation one of bolt provided by the embodiment of the utility model；
Figure 11 is the scheme of installation two of bolt provided by the embodiment of the utility model；
Figure 12 is the scheme of installation three of bolt provided by the embodiment of the utility model；
Figure 13 is the scheme of installation of reset assembly provided by the embodiment of the utility model；
Figure 14 is the stereoscopic schematic diagram one of reset assembly provided by the embodiment of the utility model；
Figure 15 is the stereoscopic schematic diagram two of reset assembly provided by the embodiment of the utility model；
Figure 16 is the scheme of installation one of torque spring provided by the embodiment of the utility model；
Figure 17 is the scheme of installation two of torque spring provided by the embodiment of the utility model；
Figure 18 is the scheme of installation of reel provided by the embodiment of the utility model and runner；
Figure 19 is the schematic front view of runner provided by the embodiment of the utility model.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that the orientation or positional relationship of the instructions such as term "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic." first ", " second ", " third " are defined as a result,
Feature can explicitly or implicitly include one or more of the features.In the description of the present invention, " multiple "
It is meant that two or more, unless otherwise specifically defined.
Also referring to Fig. 1 and Fig. 2, now overload protection arrangement provided by the utility model is illustrated.Overload protection
Device, including pedestal 1, further includes: first rotating shaft 42, the second shaft 21, transmission mechanism (not shown), protection mechanism (not shown)
And driving mechanism (not shown).
First rotating shaft 42 is arranged on pedestal 1；
Second shaft 21 is arranged on pedestal 1；
Transmission mechanism is arranged between first rotating shaft 42 and the second shaft 21 for making the two form transmission connection；
Protection mechanism is arranged between transmission mechanism and the second shaft 21 for disconnecting transmission mechanism and second in overload
Transmission connection between shaft 21；And
Driving mechanism is for driving the rotation of the second shaft 21.
In the present embodiment, first rotating shaft 42 and the second shaft 21 are formed by transmission mechanism is sequentially connected, this transmission
Connection can be first rotating shaft 42 and drive the rotation of the second shaft 21 by transmission mechanism, is also possible to the second shaft 21 and passes through transmission
Mechanism drives first rotating shaft 42 to rotate.Protection mechanism is located between transmission mechanism and the second shaft 21, and in overload (" mistake herein
Carry " refer to: when the second shaft 21 driving first rotating shaft 42 rotate during, if first rotating shaft 42 can not normal rotation,
And the second shaft 21 works on transmission mechanism；Or during first rotating shaft 42 drives the rotation of the second shaft 21,
If the second shaft 21 can not normal rotation, and first rotating shaft 42 works on transmission mechanism.More specifically, it is assumed that transmission
Mechanism is gear set (not shown), during first rotating shaft 42 is rotated by the second shaft of gear set drive 21, if second
Shaft 21 can not rotate and first rotating shaft 42 continues through gear set is exactly the case where overload to 21 output power of the second shaft；Or
Person is the second shaft 21 rotated by gear set drive first rotating shaft 42 during, if first rotating shaft 42 can not rotate and the
Two shafts 21 continue through gear set to the case where 42 output power of first rotating shaft is also overload.) when, protection mechanism disconnects transmission
Transmission connection between mechanism and the second shaft 21, avoid in the event of overloading first rotating shaft 42, the second shaft 21 or
It is that transmission mechanism is destroyed.
Specifically, in one embodiment, protection mechanism uses the structure of similar clutch by transmission mechanism and second
Shaft 21 disconnects or connection, is just disconnected by protection mechanism when needing to separate between transmission mechanism and the second shaft 21,
It is just connected by protection mechanism when needing to be driven between transmission mechanism and the second shaft 21.
In another embodiment, protection mechanism is chosen as that elastically-deformable elastic parts (not shown) can occur,
When overload, elastic parts occurs elastic deformation and to be detached between transmission mechanism and the second shaft 21；After overload disappears,
Elastic parts restores initial position and to be sequentially connected again between transmission mechanism and the second shaft 21.Such as elastic group
Part can be the elastic slice (not shown) being connected on transmission mechanism and the second shaft 21 respectively, when overload, pass
Motivation structure is fastened in the second shaft 21 by elastic slice and is formed with the second shaft 21 and is sequentially connected；When overload, elastic slice hair
Raw deformation, so that being detached between transmission mechanism and the second shaft 21 to disconnect transmission connection.Certainly, in other examples,
Protection mechanism can also be other structures, as long as protection mechanism can disconnect transmission mechanism and the second shaft in the event of overloading
Transmission connection between 21, does not limit uniquely herein.
Wherein, optionally, first rotating shaft 42 and the second shaft 21 are rotated rotating around respective axis.
Optionally, driving mechanism is motor 27.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific reality as overload protection arrangement provided by the utility model
Apply mode, transmission mechanism includes the first gear 22 being arranged in first rotating shaft 42 and is set in the second shaft 21 and with first
The second gear 452 that gear 22 is sequentially connected, the surface of the second shaft 21 is provided with accommodating cavity 211；Protection mechanism includes setting
(do not scheme in the ball 23 of the accommodating cavity 211 of the second shaft 21 and the elastic component that is connected between 211 bottom surface of ball 23 and accommodating cavity
Show), ball 23 at least partly stretches out accommodating cavity 211 and supports on the inner wall of second gear 452；The inner wall of second gear 452
Upper recess is formed with the recessed portion 221 slid in and out for ball 23.
In this way, when ball 23 slides into recessed portion 221, since ball 23 is supported in recessed portion 221 (rolling by elastic component
Pearl 23 is supported on the inner sidewall of second gear 452, and the inner sidewall of recessed portion 221 is also the one of the inner sidewall of second gear 452
Part), be the equal of that ball 23 is fastened in recessed portion 221, ball 23 can limit second gear 452 and the second shaft 21 it
Between relative rotation, the second shaft 21 by ball 23 drive second gear 452 rotation or second gear 452 pass through rolling
Pearl 23 drives the rotation of the second shaft 21.When overloading, for example, failure cause second gear 452 can not rotate and second
When shaft 21 continues to rotate, the power that the second shaft 21 is applied on ball 23 can drive ball 23 from recessed portion 221
It detaches, once ball 23 leaves recessed portion 221, is relatively rotatable to each other between the second shaft 21 and second gear 452.When
The second shaft 21, second gear 452 can't be destroyed either when relative rotation between two shafts 21 and second gear 452
Other structures have ensured the safety of overload protection arrangement.When the factor for hindering second gear 452 to rotate disappears, ball
23 can slide into again in recessed portion 221, and the second shaft 21 drives the rotation of second gear 452 or second by ball 23
Gear 452 drives the rotation of the second shaft 21 by ball 23.In turn, breaking down when overload leads to the second shaft 21
It can not rotate when second gear 452 continues to rotate, the power that second gear 452 is applied on ball 23 can drive ball
23 detach from recessed portion 221, once ball 23 leaves recessed portion 221, energy between the second shaft 21 and second gear 452
It is enough to relatively rotate.The second shaft 21, the can't be destroyed when relatively rotating between the second shaft 21 and second gear 452
Two gears 452 either other structures, have ensured the safety of overload protection arrangement.
Wherein, optionally, in one embodiment, third gear 25, third gear 25 are provided in the second shaft 21
It is meshed with first gear 22, second gear 452 and motor 27 are sequentially connected.That is, motor 27 passes through second gear 452
The second shaft 21 is driven to rotate, the second shaft 21 drives third gear 25 to rotate, and third gear 25 drives first gear 22 to rotate,
First gear 22 drives first rotating shaft 42 to rotate, and vice versa；In another embodiment, first gear 22 and second gear
452 directly engage, that is to say, that the second shaft 21 passes sequentially through second gear 452 and first gear 22 drives first rotating shaft 42
Rotation, vice versa.
Wherein, optionally, in one embodiment, first gear 22 is fixed in first rotating shaft 42；In another implementation
In example, other connecting components are additionally provided between first gear 22 and first rotating shaft 42.As long as first gear 22 and first rotating shaft
It is capable of forming transmission connection between 42, does not limit uniquely herein.
Wherein, in the present embodiment, elastic component is connected between 211 bottom surface of ball 23 and accommodating cavity.And elastic component is
For supporting ball 23 on the inner wall of second gear 452.
Wherein, in the present embodiment, the surface of the second shaft 21 is provided with accommodating cavity 211, and optionally, accommodating cavity 211 is
It is formed by the surface indentation of the second shaft 21.
Wherein, optionally, in one embodiment, protection mechanism is to limit 452 phase of the second shaft 21 and second gear
The second shaft 21 and second gear 452 is set to be separated to rotation and in overload.Optionally, in one embodiment, machine is protected
Structure includes the elastic deformation portion (not shown) being arranged between the second shaft 21 and second gear 452, which can
Connect the second shaft 21 and second gear 452, and elastic deformation can occur when overload and make for the elastic deformation portion
Two shafts 21 are detached from second gear 452.Certainly, protection mechanism in other embodiments can also be using other forms, only
Want protection mechanism can limit the second shaft 21 and second gear 452 relative rotation and overload when make 21 He of the second shaft
Second gear 452 is mutually disengaged.It " overloads " and refers specifically to herein: assuming that the second shaft 21 drives 452 turns of second gear
Dynamic, if second gear 452 is because when failure can not rotate, the second shaft 21 is unable to drive 452 normal rotation of second gear
Situation；Either in turn, it is assumed that second gear 452 drives the rotation of the second shaft 21, if the second shaft 21 because failure without
When method rotates, the case where second gear 452 is unable to drive the second 21 normal rotation of shaft.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific reality as overload protection arrangement provided by the utility model
Mode is applied, the quantity of recessed portion 221 is multiple, the uniform cloth of circumferential direction of inner sidewall of multiple recessed portions 221 along second gear 452
If forming protrusion (not shown) between adjacent two recessed portion 221, the surface of protrusion is cambered surface, cambered surface respectively with it is two neighboring recessed
The inner surface of concave portion 221 is tangent.In this way, not needing edge after ball 23 is detached from one of recessed portion 221
452 inner sidewall of second gear roll a circle after enter to save the plenty of time in recessed portion 221 again.And it is uniformly distributed
Enable to ball 23 that phase occurs in the second shaft 21 and second gear 452 in the recessed portion 221 of the inner sidewall of second gear 452
Enter another recessed portion 221 from a recessed portion 221 in capable of being spaced at the same time when to rotation, ensures second turn
Stability when relatively rotating between axis 21 and second gear 452.In this way, when ball 23 is sliding from a recessed portion 221
All it is out smooth excessiveness to during the entire process of entering in another recessed portion 221, is not in that ball 23 is stuck in recessed portion
The edge of 221 inner walls is either stuck between two neighboring recessed portion 221.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific reality as overload protection arrangement provided by the utility model
Mode is applied, accommodating cavity 211 extends along the radial direction of the second shaft 21, and elastic component is to stretch along 21 radial direction of the second shaft
Spring 212, spring 212 are located in accommodating cavity 211, and the both ends of spring 212 are connected to the inner wall of ball 23 and accommodating cavity 211 respectively
On.In this way, accommodating cavity 211 is that ball 23 provides the movable passageway moved radially towards the second shaft 21, accommodating cavity 211
Extending direction is the radial direction of the second shaft 21, therefore ball 23 moves in accommodating cavity 211 when also can be along
The radial direction of two shafts 21 is mobile.Ball 23 is during entering recessed portion 221 and skidding off from recessed portion 221, ball
23 can be hair towards the radial direction movement of the second shaft 21, the distance between ball 23 and 21 line of the second shaft of the second shaft 21
Changing, ball 23 enters accommodating cavity 211 and slides along accommodating cavity 211 to realize the second of ball 23 and the second shaft 21
Distance change between 21 line of shaft.In addition, ball 23 is in accommodating cavity 211 and a part of ball 23 stretches out accommodating cavity
It 211 and supports on the inner wall of gear, when ball 23 rolls, ball 23 can be connected to accommodating cavity 211 always
On inner wall, the inner wall of accommodating cavity 211 is that ball 23 provides a thrust to realize the moving along gear inner sidewall of ball 23.Such as
This can be along accommodating cavity 211 towards close to the when ball 23 is skidded off from recessed portion 221 for the second shaft 21
The direction of 21 line of the second shaft of two shafts 21 is mobile, this when, ball 23 can compressed spring 212；Conversely, when ball 23 is sliding
During entering in recessed portion 221, spring 212 starts elongation and ball 23 is pushed into recessed portion 221.No matter spring 212 is stretched
It out or compresses, ball 23 can be effectively and reliably connected on the inner sidewall of gear by spring 212.
Wherein, optionally, opening 2111 is offered on the surface of the second shaft 21, ball 23 can enter from opening 2111
Accommodating cavity 211 in other examples, can also make ball 23 enter accommodating cavity 211 for other modes certainly, this
Place does not limit uniquely.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific reality as overload protection arrangement provided by the utility model
Mode is applied, the cross section of accommodating cavity 211 is circle, and the diameter of cross section is identical as the diameter of ball 23.
In the present embodiment, the cross section of accommodating cavity 211 is circle, the diameter phase of the diameter and ball 23 of the cross section
Together.In this way, avoiding ball 23 when ball 23 moves in accommodating cavity 211 and being shaken in accommodating cavity 211.Especially
Vibration of the ball 23 in accommodating cavity 211 in the radial direction.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific reality as overload protection arrangement provided by the utility model
Mode is applied, is provided in second gear 452 for preventing ball 23 from skidding off stopping for recessed portion 221 in the axial direction of the second shaft 21
It keeps off component (not shown).Stopping element include baffle ring 223 and by second gear 452 inner sidewall towards 21 projection shape of the second shaft
Cheng Binghuan is located at the annular flange 222 in 21 outside of the second shaft, and baffle ring 223 is rotatably set in the second shaft 21, is recessed
Between annular flange 222 and baffle ring 223, baffle ring 223 is connected in second gear 452 in portion 221, in the second shaft 21
It is provided with the limiting mechanism (not shown) of the axial movement for preventing annular flange 222 and baffle ring 223 along the second shaft 21.
In this way, second gear 452 is between annular flange 222 and baffle ring 223, and since annular flange 222 connects
In second gear 452, baffle ring 223 is connected in second gear 452, is additionally provided with prevention annular flange in the second shaft 21
222 and the limiting mechanism that is moved axially along the second shaft 21 of baffle ring 223, pass through the limitation of limiting mechanism, 222 He of annular flange
Baffle ring 223 can not be all axially moveable in the second shaft 21, and second gear 452 and annular flange 222 are fixed, institutes
It is also that can not be moved axially along the second shaft 21 with second gear 452.
As an alternative, stopping element is also possible to the baffle being arranged in second gear 452 and is either arranged the
Convex edge on two gears 452.In other embodiments, stopping element can also be other structures, as long as the stopping element can
Ball 23 is prevented to skid off recessed portion 221 from the axis direction of the second shaft 21.
Further, Fig. 3 to Fig. 9 is please referred to, a kind of specific reality as overload protection arrangement provided by the utility model
Apply mode, limiting mechanism includes two card slots 241 of the circumferentially extending along the second shaft 21 and is respectively correspondingly fastened on two
Two circlips 242 in card slot 241, annular flange 222 and baffle ring 223 are located between two circlips 242, a circlip
242 are connected in annular flange 222, another circlip 242 is connected on baffle ring 223.In this way, in the limit of two circlips 242
Under system, annular flange 222, baffle ring 223 and second gear 452 can not all be moved along 21 axial direction of the second shaft.If taken
Falling circlip 242 then can easily move annular flange 222, baffle ring 223 and second gear 452 along the second shaft 21 is axial
It is dynamic.
Further, Figure 13 to Figure 19 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, can when being provided with for relatively rotating between first rotating shaft 42 and first gear 22 in first rotating shaft 42
It is restored to the reset assembly (not shown) of initial relative position.In this way, under external force, when first rotating shaft 42 and first gear
After relative rotation has occurred between 22, reset assembly enables to first rotating shaft 42 and first gear 22 to be restored to initial phase
To position." initial relative position " refers to: phase in the case where not by external force, between first rotating shaft 42 and first gear 22
To position.The position can be a specific relative position, be also possible to a section, i.e. first rotating shaft 42 and first gear
22 in the section relatively rotate when reset assembly will not influence first rotating shaft 42 or first gear 22.
Further, Figure 13 to Figure 19 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, reset assembly include: rotating cylinder 43 and arrestment mechanism (not shown).
Rotating cylinder 43 is set in first rotating shaft 42 and can relatively rotate between first rotating shaft 42, is arranged on rotating cylinder 43
Torque spring 44, torque spring 44 have the first connecting pin 441 and second connection end 442, are provided with first in first rotating shaft 42
Lug boss 421 and the second lug boss 422；In the rotation (not shown) towards first direction relative to rotating cylinder 43 of first rotating shaft 42, first
Lug boss 421 is connected on the first connecting pin 441 and drives the first connecting pin 441 circumferentially rotating to increase torsion along rotating cylinder 43
The torque of spring 44；In the rotation (not shown) towards opposite with first direction second direction relative to rotating cylinder 43 of first rotating shaft 42,
Second lug boss 422 is connected in second connection end 442 and drives the circumferentially rotating to increase along rotating cylinder 43 of second connection end 442
The torque of torque spring 44；
Arrestment mechanism is for lockking rotating cylinder 43 to prevent the relative rotation between rotating cylinder 43 and pedestal 1.
In this way, when arrestment mechanism locks rotating cylinder 43, under external force, when first rotating shaft 42 is relative to rotating cylinder 43
Towards when first direction rotation, the first lug boss 421 is connected on the first connecting pin 441 and drives the first connecting pin 441 along rotating cylinder
The mobile torque to increase torque spring 44 of 43 circumferential direction.At this time if removing above-mentioned external force, in the work of torque spring 44
Under, first rotating shaft 42 can be rotated in the opposite direction relative to rotating cylinder 43 towards with first party；Similarly, turn when arrestment mechanism locks
When cylinder 43, under external force, first rotating shaft 42 is rotated relative to rotating cylinder 43 towards the second direction opposite with first direction
When, the second lug boss 422 be connected in second connection end 442 and drive second connection end 442 along the circumferential direction of rotating cylinder 43 move with
Increase the torque of torque spring 44.At this time if removing above-mentioned external force, under the action of torque spring 44, first rotating shaft 42
It can be rotated in the opposite direction relative to rotating cylinder 43 towards with second party.I.e. no matter first rotating shaft 42 with respect to rotating cylinder 43 towards first direction
Rotation is still rotated towards second direction, can all increase the torque of torque spring 44, and revocation falls to drive first rotating shaft 42 with respect to rotating cylinder
The external force of 43 rotations, first rotating shaft 42 can be turned back to initial position, and (initial position refers to: first rotating shaft 42 and rotating cylinder 43 are not
Relative position in the case where by external force between first rotating shaft 42 and rotating cylinder 43.), in this way, when rotating cylinder 43 can not rotate, the
Relative position between one shaft 42 and rotating cylinder 43 can be buffered after the change by external force by torque spring 44,
Relative position after external force disappearance between first rotating shaft 42 and rotating cylinder 43 can easily reset, and avoid first rotating shaft
42 destroy first rotating shaft 42, rotating cylinder 43 and other and first rotating shaft 42 or the formation of rotating cylinder 43 when relatively rotating with rotating cylinder 43
The driving member (not shown) of drive connection.
Wherein, optionally, initial position is a specific location opposite between first rotating shaft 42 and rotating cylinder 43, for example,
Between first rotating shaft 42 and rotating cylinder 43 when some relative position, under the action of torque spring 44, first rotating shaft 42
No matter the torque of torque spring 44 can all be increased relative to rotating cylinder 43 toward first direction or second direction rotation；In another implementation
In example, initial position can be a section, such as when first rotating shaft 42 rotates in the section relative to rotating cylinder 43, the
One shaft 42 is not acted on by torque spring 44, and only first rotating shaft 42 rotates towards first direction relative to rotating cylinder 43 and is more than
The torque of torque spring 44 just will increase when above-mentioned section.Similarly, only first rotating shaft 42 turns with respect to rotating cylinder 43 towards second direction
The torque of torque spring 44 just will increase when moving and being more than above-mentioned section.External force is removed to the shadow of first rotating shaft 42 and rotating cylinder 43
After sound, the relative position of first rotating shaft 42 and rotating cylinder 43 is returned among above-mentioned section.That is, first rotating shaft 42 and rotating cylinder 43
Relative position among above-mentioned section when, the first lug boss 421 and the first connecting pin 441 be all always it is discontiguous, second
Lug boss 422 and second connection end 442 are all discontiguous always.Optionally, when the opposite rotating cylinder 43 of first rotating shaft 42 is above-mentioned
When in section, the first connecting pin 441 and second connection end 442 are connected to respectively on rotating cylinder 43, avoid the first connecting pin 441 and do not have
Have and is connected to the first lug boss 421 and causes the first connecting pin 441 under the elastic force of torque spring 44 voluntarily along rotating cylinder 43
It is circumferential mobile；Similarly, second connection end 442 is avoided not to be connected to the second lug boss 422 and second connection end 442 is caused to exist
Circumferential direction under the elastic force of torque spring 44 voluntarily along rotating cylinder 43 moves.
Wherein, in the present embodiment, it is opposite between rotating cylinder 43 and pedestal 1 to prevent can to lock rotating cylinder 43 for arrestment mechanism
Rotation.Optionally, it is provided between pedestal 1 and rotating cylinder 43 buckle structure (not shown), which can easily make to turn
It is fixed to each other or separates between cylinder 43 and pedestal 1.
Further, Figure 13 to Figure 19 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, first gear 22 are arranged in one end of rotating cylinder 43, runner 32 are provided on the other end of rotating cylinder 43；Runner 32 and
One gear 22 is respectively sleeved in first rotating shaft 42, and the first slot 4511 circumferentially extended along rotating cylinder 43 is offered on runner 32,
The second slot 4521 circumferentially extended along rotating cylinder 43 is offered in first gear 22, the first connecting pin 441 passes through the first slot
4511, second connection end 442 passes through the second slot 4521.In this way, when the first lug boss 421 pushes the first connecting pin 441 along the
When one slot 4511 is mobile, since the first slot 4511 is circumferentially extended along rotating cylinder 43, the first connecting pin 441 is also edge
Circumferentially rotating for rotating cylinder 43.In addition when the first lug boss 421 is not connected on the first connecting pin 441, the first connecting pin
441 are connected on the inner wall of the first slot 4511 under the action of torque spring 44, even if the second lug boss 422 driving second connects
End 442 is connect along the position of rotating cylinder 43 circumferentially rotated where will not influencing the first connecting pin 441, i.e. the first slot 4511
Inner wall can play the role of support the first connecting pin 441.Similarly, when the second lug boss 422 pushes 442 edge of second connection end
When second slot 4521 is mobile, since the second slot 4521 is circumferentially extended along rotating cylinder 43, second connection end 442 is also
Along circumferentially rotating for rotating cylinder 43.In addition when the second lug boss 422 is not connected in second connection end 442, the second connection
End 442 is connected on the inner wall of the second slot 4521 under the action of torque spring 44, even if the first lug boss 421 driving first
441 movement of connecting pin will not influence the position where second connection end 442, i.e. the inner wall of the second slot 4521 can play
Support the effect of second connection end 442.
Further, Figure 13 to Figure 19 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, the first connecting pin 441 is towards the axially extending of first rotating shaft 42；And/or second connection end 442 is towards first rotating shaft 42
It is axially extending.
In the present embodiment, the first lug boss 421 is arranged in first rotating shaft 42, when first rotating shaft 42 rotates
It will drive the first circumferentially rotating along first rotating shaft 42 of lug boss 421, the first connecting pin 441 is the axial direction along first rotating shaft 42
Extend, therefore, when the first connecting pin 441 is circumferentially rotated around rotating cylinder 43 with the distance between first rotating shaft 42 be it is stable,
The stability that the first lug boss 421 in first rotating shaft 42 drives the first connecting pin 441 circumferentially to move along rotating cylinder 43 is ensured.Together
Reason, the second lug boss 422 are arranged in first rotating shaft 42, and first rotating shaft 42 will drive the second lug boss when rotation
422 circumferentially rotating along first rotating shaft 42, second connection end 442 are along the axially extending of first rotating shaft 42, therefore, when
With the distance between first rotating shaft 42 be when two connecting pins 442 are circumferentially rotated around rotating cylinder 43 it is stable, ensured first rotating shaft 42
On the stability that is circumferentially moved along rotating cylinder 43 of the second lug boss 422 driving second connection end 442.
Further, Figure 13 to Figure 19 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, runner 32 are detachably fixed with rotating cylinder 43 and connect.In this way, being easily installed or decomposing runner 32 and rotating cylinder 43.
Further, Figure 13 to Figure 19 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, the inner wall depression of runner 32 form fluted 4512, and one end of rotating cylinder 43 has holding section 431, holding section 431
It is caught in groove 4512.In this way, foring one by the way that the holding section 431 of 43 one end of rotating cylinder to be caught in the groove 4512 of runner 32
A to snap connection, i.e., rotating cylinder 43 is snapped connection by this in the rotation drives runner 32 to rotate.When needing to dismantle rotating cylinder 43
When with runner 32, it is only necessary to holding section 431 is released from groove 4512, it is very convenient.
Further, Figure 13 to Figure 19 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, the first lug boss 421 is in cylindrical shape, and the axis of the first lug boss 421 and the axis of first rotating shaft 42 are mutual
It is vertically arranged；Second lug boss 422 is in cylindrical shape, and the axis of the second lug boss 422 and the axis of first rotating shaft 42 are mutual
It is vertically arranged.In this way, the first lug boss 421 be connected on the first connecting pin 441 and push the first connecting pin 441 it is mobile when
It waits, if the first connecting pin 441 of torque spring 44 bends, since the outer surface of the first lug boss 421 is cylindrical surface, the
One connecting pin 441 will not be bruised during mutually abutting with the first lug boss 421.Similarly, the second lug boss 422 is connected to
In second connection end 442 and when pushing second connection end 442 mobile, if the second connection end 442 of torque spring 44 is sent out
Raw bending, since the outer surface of the second lug boss 422 is cylindrical surface, second connection end 442 is mutually abutted with the second lug boss 422
During will not be bruised.
Figure 13 to Figure 19 is please referred to, as a kind of specific embodiment of overload protection arrangement provided by the utility model,
It is provided on the outer end face of runner 32 for being connected to the first lug boss 421 when first rotating shaft 42 and rotating cylinder 43 relatively rotate
Stop screw 46.In this way, stop screw 46 can efficiently control the angle relatively rotated between first rotating shaft 42 and runner 32
The range of degree.
Further, Figure 13 to Figure 19 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment further includes the alarm (not shown) for sounding an alarm when the first lug boss 421 touches stop screw 46,
Alarm device is arranged on pedestal 1.In this way, alarm device is sounded an alarm to remind when the first lug boss 421 touches stop screw 46
User.The mode of alarm device triggering can be the first lug boss 421 and stop screw 46 as switch, i.e., when the first lug boss
421 when touching stop screw 46 by above-mentioned switch conduction alarm device and alarm device begins to send out alarm, when the first lug boss
Breakage alert device and alarm device closing alarm when being separated between 421 and stop screw 46.
Further, Figure 13 to Figure 19 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, first rotating shaft 42 and rotating cylinder 43 are coaxially disposed.In this way, first rotating shaft 42 and rotating cylinder 43 are during relative rotation
It is able to maintain stable positional relationship.
Further, Figure 10 to Figure 12 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, arrestment mechanism include: bolt 33 and driver (not shown).
Bolt 33 is slidably arranged on pedestal 1, and one end of bolt 33 has clamping part 331, and the edge of runner 32, which has, to be supplied
Clamping part 331 into and out at least one notch 321；And
Driver is for driving bolt 33 mobile relative to runner 32 and limiting runner when clamping part 331 is inserted into notch 321
32 rotations.
In this way, bolt 33 prevents runner 32 from rotating when bolt 33 is inserted into notch 321；Bolt 33 is extracted out of notch 321
When coming, bolt 33 decontrols the control to runner 32.When runner 32 is by stronger impact, since bolt 33 is rigid
Property, itself be less likely to occur deformation, be also not easy to rotate under the driving of runner 32, enable bolt 33 effectively
Prevent the rotation of runner 32.
Optionally, the shape of clamping part 331 is adapted with notch 321.It " is adapted " herein and refers to clamping part 331 and lack
The shape of mouth 321 can coincide.In this way, bolt 33 controls runner 32 by the cooperation of clamping part 331 and notch 321
Rotation.
Further, Figure 10 to Figure 12 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, bolt 33 extend in the radial direction of runner 32, and bolt 33 can slide on pedestal 1 along extending direction, pedestal 1
With support portion 311, offers and extend along the diameter direction of runner 32 and the duct that passes through for bolt 33 (is not schemed on support portion 311
Show).In this way, bolt 33 can be particularly simple by clamping part 331 in sliding on pedestal 1 and close runner 32 along extending direction
To prevent runner 32 from rotating in insertion notch 321；Certainly, bolt 33 slides on pedestal 1 along extending direction and far from runner 32
When also particularly simple clamping part 331 can be taken out from notch 321 to decontrol the limitation rotated to runner 32.In this way, inserting
Pin 33 is moved along duct to be convenient to so that bolt 33 is moved along 32 radial direction of runner.In addition, the inner wall in duct can also
Movement of enough effectively limitation bolts 33 in bolt 33 in the radial direction.
Further, Figure 10 to Figure 12 is please referred to, a kind of specific reality as 33 device of bolt provided by the utility model
Mode is applied, the guided rings 332 being set on bolt 33 are provided between bolt 33 and the inner wall in duct.
In the present embodiment, guided rings 332 are arranged on bolt 33, and guided rings 332 are located in bolt 33 and duct
Between wall, (" positions " and refer to herein: by bolt 33 in its radial direction in this way, guided rings 332 can play positioning to bolt 33
Movement be limited between the inner wall of guided rings 332) effect draw while during bolt 33 is moved along its axis
Lead ring 332 can also play the mobile effect of guide 33.
Further, in one embodiment, the cross section in duct is identical as the cross section of bolt 33.In this way, bolt 33
When movement in duct, bolt 33 is not easy to shake in its radial direction.
Further, Figure 10 to Figure 12 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment is provided with Flexible element 34 on pedestal 1, and the both ends of Flexible element 34 are connected to respectively on bolt 33 and pedestal 1.Such as
This, for bolt 33 in the case where not by other external force, Flexible element 34 is that bolt 33 is connected on runner 32 always
To limit the rotation of runner 32 in notch 321.When bolt 33 takes out bolt 33 under the influence of external force from the notch 321 of runner 32
When separating out next, the meeting of bolt 33 elasticity of compression unit 34 during detaching, if cancelling above-mentioned external force, bolt 33 exists again
It is connected under the action of Flexible element 34 on runner 32, has ensured control of the bolt 33 to runner 32.Optionally, Flexible element 34
Extending direction be identical with the extending direction of bolt 33.Flexible element 34 and runner 32 are located at opposite the two of bolt 33
End, in this way, Flexible element 34 can easily push bolt 33 to extend along direction movement during by compression and stretching.
Further, Figure 10 to Figure 12 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment is convexly equipped with abutting part 312 on pedestal 1, offers on abutting part 312 blind hole (not shown), the one of Flexible element 34
In end merging blind hole and it is connected on the inner wall of blind hole.In this way, one end of Flexible element 34 is arranged in blind hole, Flexible element 34
Flexible element 34 is not easy to shake in its radial direction during compression and stretching, enable Flexible element 34 with
Stable abutting relation is kept between abutting part 312.
Further, Figure 10 to Figure 12 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, driver include connector 351 and drive system (not shown), and drive system includes deviateing a shaft axis (not scheme
Show) setting driving section 352 and for drive driving section 352 rotate axis rotation driving unit (not shown), shaft axis with
The axis of bolt 33 is generally aligned in the same plane and is vertically arranged, and one end of connector 351 is hinged on bolt 33, and the other end is hinged on
On driving section 352.In this way, driving unit drives since the axis of shaft axis and bolt 33 is generally aligned in the same plane and is vertically arranged
Driving section 352 rotates during axis rotation, and on the extending direction of bolt 33, driving section 352 can be close and separate turn
Wheel 32.On the extending direction of bolt 33, when driving section 352 is close to runner 32, driving section 352 passes through 351 bolt of connector
33 is mobile towards runner 32；When driving section 352 is far from runner 32, bolt 33 is mobile away from 32 direction of runner.
Further, Fig. 1 and Fig. 2 and Figure 10 are please referred to Figure 12, is filled as overload protection provided by the utility model
A kind of specific embodiment set, locating part 263 also offset from shaft axis setting, are provided on third gear 25 for making locating part
263 opposite third gears 25 rotate the first flange 261 that axis slewing area is 0 °~90 °, that is to say, that locating part 263 exists
The first flange 261 will not be encountered in 90 ° of slewing area.In this way, in the case that third gear 25 is not able to rotate, it is convex first
Under the limitation of edge 261, driving section 352 rotate axis rotation range be also 0 °~90 °.When driving section 352 is in 0 ° of position
When, clamping part 331 is caught in notch 321, and when driving section 352 is in 90 °, clamping part 331 is extracted from notch 321.
Bolt 33 no longer locks runner 32 at this time, and first gear 22 can be mutually driven with third gear 25, optionally, first
Gear 22 and third gear 25 are same sizes, that is to say, that when first gear 22 and third gear 25 are mutually driven simultaneously
Rotate identical corner.After clamping part 331 is extracted from notch 321, if third gear 25 drives first gear 22 to continue
Rotation, until continuing to have turned 90 °, 0 ° of the position since most of driving section 352 has turned 180 ° at this time, and clamping part 331 is caught in again
Runner 32 is prevented to rotate in notch 321.(clamping part 331 is to runner 32 from unlock is locked to again to lock in this process
Firmly), first rotating shaft 42 has rotated 90 °, if being provided with the baffle of berth lock in first rotating shaft 42, baffle becomes from laid-flat status
For erected state.If whole process is in turn, become laid-flat status from erected state if baffle.
Further, being additionally provided on third gear 25 prevents the locating part 263 from separating from the second shaft 21
The second flange 262.
Further, Figure 10 to Figure 12 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment, driving unit include the second shaft 21 extended using shaft axis as center axis, are arranged in the second shaft 21 dynamic
Arm 354, driving section 352 are arranged on power arm 354.
In the present embodiment, in this way, power arm 354 is set in the second shaft 21, when the second shaft 21 rotate axis turn
When dynamic, power arm 354 is also rotated by axis of the shaft axis, and driving section 352 is arranged on power arm 354, therefore is passed
Dynamic portion 352 can also be rotated around the shaft axis.
Further, Figure 10 to Figure 12 is please referred to, one kind as overload protection arrangement provided by the utility model is specific
Embodiment is provided with the fastening assembly of the axial movement for preventing power arm 354 along the second shaft 21 in the second shaft 21
(not shown).In this way, by using fastening assembly, so that power arm 354 will not shake on 21 axial direction of the second shaft
It is dynamic, ensure power arm 354 in the stability of the process of power output.In one embodiment, fastening assembly is setting the
Annular spring (not shown) in two shafts 21, annular spring are connected on power arm 354.The quantity of annular spring is to be
One, or two, when the quantity of annular spring is two, optionally, power arm 354 is clamped in two annular springs
Between.In this way, power arm 354 can steadily be limited between two annular springs.
Fig. 1 to Figure 19 is please referred to, the utility model also proposed a kind of berth lock, including baffle (not shown) and overload are protected
Protection unit, baffle are fixed in first rotating shaft 42.In this way, baffle can realize the perpendicular of baffle by the rotation of first rotating shaft 42
It rises and lays flat.
Transmission is formed by transmission mechanism due to using above-mentioned overload protection arrangement, first rotating shaft 42 and the second shaft 21
Connection, this transmission connection can be first rotating shaft 42 and drive the rotation of the second shaft 21 by transmission mechanism, be also possible to second
Shaft 21 drives first rotating shaft 42 to rotate by transmission mechanism.Protection mechanism is located between transmission mechanism and the second shaft 21, and
It (" overloads " and refers to herein: during the second shaft 21 driving first rotating shaft 42 rotates, if first rotating shaft 42 in overload
Can not normal rotation, and the second shaft 21 works on transmission mechanism；Or when first rotating shaft 42 drives the second shaft 21
During rotation, if the second shaft 21 can not normal rotation, and first rotating shaft 42 works on transmission mechanism.More
Body, it is assumed that transmission mechanism is gear set, during first rotating shaft 42 is rotated by the second shaft of gear set drive 21, if
Second shaft 21 can not rotate and first rotating shaft 42 continues through gear set is exactly the feelings overloaded to 21 output power of the second shaft
Condition；During either the second shaft 21 is rotated by gear set drive first rotating shaft 42, if first rotating shaft 42 can not turn
It is also the case where overload to 42 output power of first rotating shaft that dynamic and the second shaft 21, which continues through gear set,.) when, protection mechanism is disconnected
The transmission connection between transmission mechanism and the second shaft 21 is opened, first rotating shaft 42, the second shaft in the event of overloading are avoided
21 either transmission mechanisms are destroyed.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. overload protection arrangement, including pedestal, it is characterised in that: further include:
First rotating shaft is arranged on the pedestal；
Second shaft is arranged on the pedestal；
Transmission mechanism is arranged between the first rotating shaft and second shaft for making the two form transmission connection；
Protection mechanism is arranged between the transmission mechanism and second shaft for disconnecting the transmission mechanism in overload
With the transmission connection between second shaft；And
Driving mechanism, for driving second shaft to rotate.
2. overload protection arrangement as described in claim 1, it is characterised in that: the transmission mechanism includes being arranged described first
First gear in shaft and it is set in the second gear in second shaft and with first gear transmission connection, it is described
The surface of second shaft is provided with accommodating cavity；The protection mechanism includes the rolling for being set to the accommodating cavity of second shaft
Pearl and the elastic component being connected between the ball and the accommodating cavity bottom surface, the ball at least partly stretch out the accommodating cavity
And it supports on the inner wall of the second gear；Recess, which is formed with, on the inner wall of the second gear slides into and is slided for the ball
Recessed portion out.
3. overload protection arrangement as claimed in claim 2, it is characterised in that: the quantity of the recessed portion is multiple, Duo Gesuo
The circumferential direction that recessed portion is stated along the inner sidewall of the second gear is uniformly distributed, forms protrusion between adjacent two recessed portion, institute
The surface for stating protrusion is cambered surface, and the cambered surface is tangent with the inner surface of the two neighboring recessed portion respectively.
4. overload protection arrangement as claimed in claim 2, it is characterised in that: radial direction of the accommodating cavity along second shaft
Direction extends, and the elastic component is the spring to stretch along the second shaft radial direction, and the spring is located at the accommodating cavity
Interior, the both ends of the spring are connected to respectively on the inner wall of the ball and the accommodating cavity.
5. such as the described in any item overload protection arrangements of claim 2 to 4, it is characterised in that: be provided in the first rotating shaft
Answering for initial relative position can be restored to when for relatively rotating between the first rotating shaft and the first gear
Hyte part.
6. overload protection arrangement as claimed in claim 5, it is characterised in that: the reset assembly includes:
Rotating cylinder is set in the first rotating shaft and can relatively rotate between the first rotating shaft, is arranged on the rotating cylinder
There is torque spring, the torque spring has the first connecting pin and second connection end, and it is convex to be provided with first in the first rotating shaft
Play portion and the second lug boss；When the first rotating shaft is rotated relative to the rotating cylinder towards first direction, first lug boss is supported
It connects on first connecting pin and drives first connecting pin circumferentially rotating to increase the torsion bullet along the rotating cylinder
The torque of spring；It is described when the first rotating shaft is rotated relative to the rotating cylinder towards second direction opposite to the first direction
Second lug boss is connected in the second connection end and drives the second connection end circumferentially rotating to increase along the rotating cylinder
Add the torque of the torque spring；With
Arrestment mechanism, for lockking the rotating cylinder to prevent the relative rotation between the rotating cylinder and the pedestal.
7. overload protection arrangement as claimed in claim 6, it is characterised in that: the one of the rotating cylinder is arranged in the first gear
It holds, is provided with runner on the other end of the rotating cylinder；The runner and the first gear are respectively sleeved at the first rotating shaft
On, the first slot along rotating cylinder circumferentially extending is offered on the runner, is offered in the first gear along described turn
Second slot of cylinder circumferentially extending, first connecting pin pass through first slot, and the second connection end passes through described the
Two slots.
8. overload protection arrangement as claimed in claim 7, it is characterised in that: the arrestment mechanism includes:
Bolt is slidably arranged on the pedestal, and one end of the bolt has clamping part, and the edge of the runner has for institute
State clamping part into and out at least one notch；And
Driver, for driving the bolt mobile relative to the runner and limiting institute when the clamping part is inserted into the notch
State runner rotation.
9. overload protection arrangement as claimed in claim 8, it is characterised in that: the bolt prolongs in the radial direction of the runner
It stretches, the bolt can slide on the pedestal along extending direction, and the pedestal has support portion, open up on the support portion
There is the duct that the diameter direction along the runner extends and the bolt is supplied to pass through.
10. berth lock, it is characterised in that: including baffle and overload protection arrangement as described in any one of claim 1 to 9, institute
Baffle is stated to be fixed in the first rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820331111.4U CN208379493U (en) | 2018-03-09 | 2018-03-09 | Overload protection arrangement and berth lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820331111.4U CN208379493U (en) | 2018-03-09 | 2018-03-09 | Overload protection arrangement and berth lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208379493U true CN208379493U (en) | 2019-01-15 |
Family
ID=64974291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820331111.4U Active CN208379493U (en) | 2018-03-09 | 2018-03-09 | Overload protection arrangement and berth lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208379493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277757A (en) * | 2018-03-09 | 2018-07-13 | 深圳市无名智能科技有限公司 | Overload protection arrangement and berth lock |
| CN110618298A (en) * | 2019-09-20 | 2019-12-27 | 深圳市矽电半导体设备有限公司 | Abutting fixing structure, probe station and method for pressing needle clamp fixing plate |
-
2018
- 2018-03-09 CN CN201820331111.4U patent/CN208379493U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277757A (en) * | 2018-03-09 | 2018-07-13 | 深圳市无名智能科技有限公司 | Overload protection arrangement and berth lock |
| CN108277757B (en) * | 2018-03-09 | 2024-03-22 | 深圳市无名智能科技有限公司 | Overload protection device and parking spot lock |
| CN110618298A (en) * | 2019-09-20 | 2019-12-27 | 深圳市矽电半导体设备有限公司 | Abutting fixing structure, probe station and method for pressing needle clamp fixing plate |
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