CN108612725A

CN108612725A - Attachment device

Info

Publication number: CN108612725A
Application number: CN201810556753.9A
Authority: CN
Inventors: 李兴强
Original assignee: Guangdong Guangzhou Airlines Technology Co Ltd
Current assignee: Guangdong Guangzhou Airlines Technology Co Ltd
Priority date: 2018-06-01
Filing date: 2018-06-01
Publication date: 2018-10-02

Abstract

The present invention provides a kind of attachment device, including shell, transmission component, the first reset assembly, the second reset assembly, limited block component, transmission component and press component；The 4th limited block and anelasticity part on the second limited block of two the second stage bodies and setting that the limited block component includes multiple second limited blocks, is set on every 1 second limited block；Two second stage bodies are symmetrically disposed in two opposite sidewall ends and can be abutted with the transmission component around itself axial-rotation and second stage body；The hang plate of second transmission component is abutted with the side wall surface of second stage body；The top of second limited block offers a groove body, and the anelasticity part is installed in the groove body, and the bottom end of the 4th limited block is connect with the anelasticity part, and the top of the 4th limited block can stretch the groove body or the groove body of retracting.

Description

Attachment device

Technical field

The present invention relates to mechanical structure domain fields, and in particular to a kind of attachment device.

Background technology

In the prior art, the aircraft either touch-control display panel on steamer and wall or be all fixed between table top Connection, the case where being fallen during jolting so as to face, still, damping effect is poor by the way of being fixedly connected, and And installation and removal are all inconvenient, it is therefore desirable to a kind of new attachment device come connect touch-control display panel and wall or Table top.

Invention content

The purpose of the embodiment of the present invention is to provide a kind of attachment device, has the simple advantageous effect of installing and dismounting.

An embodiment of the present invention provides a kind of attachment device, including it is shell, transmission component, the first reset assembly, second multiple Hyte part, limited block component, transmission component and press component；It is formed with an accommodating chamber in the shell, closes on tail on the shell Offer the first trepanning on the side wall at end, closed on the shell on the side wall of head end and offer the second trepanning, first trepanning with And second trepanning be connected to the accommodating chamber, the fixing end of the press component is rotatably attached with the outer wall of the shell, this is pressed The movable end of pressure component is stretched by the second trepanning in the accommodating chamber, and one end of the limited block component is set in the accommodating chamber, The other end of the limited block component stretches out in first trepanning；The transmission component, the first reset assembly, the second reset assembly are all provided with It is placed in the accommodating chamber, one end of the transmission component is connect with the movable end, the other end of the transmission component and the limited block group Part connects, and along the axial movement of the accommodating chamber and the limited block component is squeezed when for being squeezed by the movable end so that The end of the limited block component is retracted by first trepanning in the accommodating chamber, which connects with the limited block component It connects to drive the limited block component to reset to the state of first trepanning of stretching out in, which connects with the transmission component It connects and is resetted with the direction for driving the transmission component to be directed away from the limited block component；It is characterized in that, the limited block component packet Include the on the second limited block of multiple second limited blocks, two the second stage bodies being set on every 1 second limited block and setting Four limited blocks and anelasticity part；Each second limited block has external part, connecting pin, top and bottom end；The external part Opposite with corresponding first trepanning, which connect with first reset assembly, which, should towards the head end of the shell Tail end of the bottom end towards the shell；Two second stage bodies are symmetrically disposed in two opposite sidewall ends and can be around itself axis To rotation；The hang plate of second transmission component is abutted with the side wall surface of second stage body；Second limited block Top offers a groove body, and the anelasticity part is installed in the groove body, bottom end and the stagnant bullet of the 4th limited block Property part connection, the top of the 4th limited block can stretch the groove body or the groove body of retracting.

In attachment device of the present invention, the top of second limited block, which is provided with, prevents second limited block complete The full limit rib skidded off in first trepanning, the limit rib are located in the accommodating chamber.

In attachment device of the present invention, the 4th limited block is in a rectangular parallelepiped shape.

In attachment device of the present invention, the transmission component includes the first transmission component and the second transmission group Part, first transmission component are abutted with the movable end of the press component, for by under the extruding of the press component along The axial movement of the shell simultaneously pushes second transmission component along the axial movement of the shell；

Second transmission component is connect with the limited block component, makes the limited block component for squeezing the limited block component End can be retracted by first trepanning；

First transmission component includes the first stage body, the first push rod, to heart casing and orifice plate, which has top And tail end, and top is less than tail end size, the tail end of the first stage body and first push rod are coaxially connected, the side of first stage body Wall surface is abutted with the movable end of the press component；This is to the straight sections and ball that heart casing includes an interconnection and coaxial arrangement Facial canal；The outer profile spherical shape of spherical surface pipe offers the cambered surface hole that an internal face is in circular arc planar at the center of the orifice plate, should Orifice plate is fixedly mounted in the shell；First push rod is threaded through this in heart casing, and spherical surface pipe receiving to heart casing In the cambered surface hole of the orifice plate, which connect with second transmission component.

In attachment device of the present invention, the end set for stretching out in the spherical surface pipe of first push rod has one first Limited block prevents first push rod from being detached with the spherical surface pipe；And the end of the spherical surface pipe passes through screw and second transmission component End be fixedly connected.

In attachment device of the present invention, second transmission component includes first substrate, the first pipe, Duo Geqing Inclined plate；First pipe is set to the first substrate, and multiple hang plate is evenly spaced to be set to the separate of first pipe One end of the first substrate is simultaneously tilted towards the outside of the first pipe；When assembly, which connects with the first substrate It connects, the plate face of multiple hang plate is abutted with the limited block component.

In attachment device of the present invention, second reset assembly includes the second mounting base and the second elasticity Part, second mounting base are cylindrical in shape and are fixedly installed in the accommodating chamber；

One end of second elastic component is set in second mounting base, the other end of second elastic component with positioned at this first circle It is abutted in pipe and with the bottom wall elasticity of first pipe.

In attachment device of the present invention, first reset assembly includes pedestal, the company that is set on the pedestal Multiple first elastic components for connecing column and being installed on the connecting pole；

The pedestal is fixedly installed in the shell, and the other end of multiple first elastic component is limited with corresponding described second respectively The connecting pin of block connects.

In attachment device of the present invention, the side wall surface of the connecting pole is circumferentially uniformly provided with multiple be used for Second mounting hole of the first elastic component is installed；The first mounting hole is offered on the connecting pin of second limited block；First bullet Property part one end installation again in second mounting hole, the other end of first elastic component is mounted in first mounting hole.

There is attachment device provided by the invention dismounting to install simple advantageous effect.

Description of the drawings

Fig. 1 is the dimensional structure diagram of the attachment device in some embodiments of the invention.

Fig. 2 is the sectional view of the attachment device in some embodiments of the invention.

Fig. 3 is the dimensional structure diagram of the press component of the attachment device in some embodiments of the invention.

Fig. 4 is the dimensional structure diagram of the locking casing and the first transmission component in some embodiments of the invention.

Fig. 5 a be in some embodiments of the invention be the first transmission component sectional view.

Fig. 5 b are the partial exploded views of the first transmission component in some embodiments of the invention.

Fig. 6 is the dimensional structure diagram of the second transmission component in some embodiments of the invention.

Fig. 7 is the sectional view of the second transmission component in some embodiments of the invention.

Fig. 8 is a kind of structural representation of state of the limited block component and the first reset assembly in some embodiments of the invention Figure.

Fig. 9 is that the structure of another state of the limited block component and the first reset assembly in some embodiments of the invention is shown It is intended to.

Figure 10 is the vertical of the first reset assembly in some embodiments of the invention, the second reset assembly and the second transmission component Body structural schematic diagram.

Figure 11 is the dimensional structure diagram of the concentric mechanism in some embodiments of the invention.

Figure 12 be in some embodiments of the invention be concentric mechanism decomposition texture schematic diagram.

Specific implementation mode

Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.

In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of The description present invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic. " first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature. In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can Can also be to be electrically connected or can mutually communicate to be mechanical connection；It can be directly connected, it can also be by between intermediary It connects connected, can be the interaction relationship of the connection or two elements inside two elements.For the ordinary skill of this field For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower" It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of Fisrt feature level height is less than second feature.

Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter, This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with Recognize the application of other techniques and/or the use of other materials.

It is the stereochemical structure signal of the attachment device in some embodiments of the invention referring to Fig. 1 and Fig. 2, Fig. 1 Figure, Fig. 2 should be the sectional view of the attachment device in some embodiments of the invention.

The attachment device includes shell 10, press component 20, transmission component 30, limited block component 40, the first reset assembly 60, the second reset assembly 50, concentric mechanism 70 and locking casing 80.Wherein, it is formed with an accommodating chamber in the shell 10, the shell It is closed on body 10 on the side wall of tail end and offers the first trepanning 131, closed on the shell 10 on the side wall of head end and offer second Trepanning 111, first trepanning 131 and second trepanning 111 are connected to the accommodating chamber.The fixing end of the press component 20 with The outer wall of the shell 10 is rotatably attached, and the movable end of the press component 20 is stretched by the second trepanning 111 in the accommodating chamber, One end of the limited block component 40 is set in the accommodating chamber, and the other end of the limited block component 40 stretches out in first trepanning 131.The concentric mechanism 70 be used for prevent the transmission component 30 deviate the shell 10 axial direction, the concentric mechanism 70 respectively with the shell Body 10 and the transmission component 30 connection.

The transmission component 30, the first reset assembly 60, the second reset assembly 50 may be contained in the accommodating chamber, the transmission group One end of part 30 is connect with the movable end, and the other end of the transmission component 30 is connect with the limited block component 40, for by Along the axial movement of the accommodating chamber and the limited block component 40 is squeezed when the extruding of the movable end so that the limited block component 40 is logical It crosses first trepanning 131 to retract in the accommodating chamber, which connect with the limited block component 40 to drive the limit Position block assembly 40 resets to the state for stretching out in first trepanning 131, which connect with the transmission component 30 It is resetted with the direction for driving the transmission component 60 to be directed away from the limited block component 40.The locking casing 80 is socketed on the shell 10 On, for locking or unlocking the transmission component, avoid the occurrence of maloperation.

Specifically, which includes front housing 11, middle shell 12 and rear shell 13, the front housing 11, middle shell 12 and rear shell 13 It is sequentially connected and is coaxially disposed, in some embodiments, the front housing 11, middle shell 12 and rear shell 13 are structure as a whole.The front housing 11, middle shell 12 and the outer profile of rear shell 13 are generally cylindrical, and the front housing 11 and the internal diameter of the rear shell 13 are roughly equal, in this The internal diameter of shell 12 is more than the front housing 11 and the internal diameter of the rear shell 13.First trepanning 131 is set on the side wall of rear shell 13, this Two trepannings 111 are set on the side wall of the front housing 11.Closing in this for the front housing 11 offers on the position of shell 12 for installing The third trepanning 112 of the fixing end of the press component 20.It is opened up on the side wall of the third trepanning 112 slotting there are two what is be oppositely arranged Hole.The intersection of middle shell 12 and rear 13 shell, which is formed on step surface a 12a, the step surface 12a, to be provided with around the rear shell 13 It is arranged and protrusion 121a annular in shape, the sawtooth 1211a for limit is provided on the end face of protrusion 121a.Similarly It is also equipped with the corresponding broached-tooth design engaged with sawtooth 1211a with the connection structure of attachment device cooperation, to advantageous In the torsion for limiting and reducing limited block component 40 and be subject to, the service life of attachment device can be extended.

The number of the press component 20 is at least two, the quantity phase with second trepanning 111 and third trepanning 112 Deng.Multiple press component 20 is uniformly arranged on the front housing 11 of the shell 10.

Specifically, Fig. 3 is please referred to, which inserts including pressing plate 21, first bearing 22, second bearing 23, first Pin 24, pulley 25 and the second bolt 26.Wherein, first bearing 22 and second bearing 23 are positioned apart from the pressing plate 21 On medial surface, which is rotatably installed on by first bolt 24 in the first bearing 22.In second bolt 26 Across the bearing hole of the second bearing 23, and the second bearing 23 is mounted in the third trepanning 112, and the two of second bolt 26 End be plugged in the jack on the side wall of the third trepanning 112, to realize the press component 20 relative to the shell 10 can Rotatable connection.The first bearing 22 is stretched into across second trepanning 111 in the accommodating chamber, and the pulley 25 and the transmission component 30 It abuts.The end set of first bolt 24 has position limiting structure 241.

Specifically, please continue to refer to Fig. 1, Fig. 2 and Fig. 4, which includes the first transmission group being sequentially connected Part 31 and the second transmission component 32.One end of first transmission component 31 is abutted with the pulley 25 of the press component 20, this The other end of one transmission component 31 is sequentially connected and is coaxially disposed with second transmission component 32.Second transmission component 32 with should Limited block component 40 is drivingly connected.

Wherein, which includes the first stage body 311, the first push rod 312, bolt 314 and connecting seat 313, which is connect by bolt 314 with the top of first stage body 311, one end of first push rod 312 with this The tail end of one stage body 311 connects, and the other end of first push rod 312 is sequentially connected with second transmission component 32.The First Body 311 can be the round platform that circular cone removes pinnacle formation, or pyramid removes the terrace with edge of pinnacle formation, in the present embodiment In, which is round platform, and the radius of the tail end of first stage body 311 is more than the half of the head end of first stage body 311 Diameter.First stage body 311, the first push rod 312, bolt 314 and connecting seat 313 coaxial arrangement and with the accommodating chamber coaxial line.

When the pulley 25 of the press component 20 squeezes the conical surface of first stage body 311, first stage body 311 meeting direction should The direction of second transmission component 32 is moved, on the contrary, when the direction that first stage body 311 is directed away from second transmission component 32 is moved When dynamic, it can squeeze and be moved outside the pulley 25.

The connecting seat 313 is cylindrical, and a L-shaped hole 3131 is offered on side wall, which is used for and the locking Casing 80 coordinates, and to lock or unlock to first transmission component 31, avoids the occurrence of maloperation, specific matching relationship exists It can be specifically described when the subsequent descriptions locking casing 80.It is provided with pad between the bottom surface of the connecting seat 313 and first stage body 311 Circle 316, and the washer 316 is sleeved on the bolt 314.The end of the bolt 314 is socketed with nut 317.The L-shaped hole 3131 includes Connect transverse holes and longitudinal hole.The transverse holes are along the circumferentially extending of the connecting seat 313, and the longitudinal hole is along the connecting seat 313 it is axially extending.

Wherein, which includes casing 81 and spacer pin 82.Wherein, casing 81 is cylindrical, the casing 81 Side wall surface on offer a perforation 811, which is fixedly mounted in the perforation 811, and one end of the spacer pin 82 Portion is located in the casing 81.The casing 81 is socketed in the corresponding position on the front housing 11 of the shell 10, and the spacer pin 82 is embedded In the L-shaped hole 3131.When the spacer pin 82 is located in the transverse holes, the locking casing 80 is by the first of the transmission component 30 Transmission component 31 is locked, and when the spacer pin 82 is located in the longitudinal hole, the locking casing 80 is by the first of the transmission component 30 Transmission component 31 unlocks, which can move in the axial direction.The locking casing 80 can prevent maloperation.

Referring to Fig. 5 a, in some embodiments, in order to keep first push rod 312 to be located at the axis of the accommodating chamber On, which further includes 315 and one orifice plate 318a of a pair of of heart casing, this includes one mutual to heart casing 315 The straight sections 3151 and spherical surface pipe 3152 of connection and coaxial arrangement.The spherical shape of outer profile of spherical surface pipe 3152 certainly can Think that complete sphere may be the part of sphere.An internal face is offered at the center of orifice plate 318a in circular arc planar Cambered surface hole, orifice plate 318a are mounted on the intersection of shell 12 and rear shell 13 in this.First push rod 312 is threaded through this to heart casing In 315, and this this spherical surface pipe 3152 to heart casing 315 is housed in the cambered surface hole of orifice plate 318a, and can freely be rolled. The end set for stretching out in the spherical surface pipe 3152 of first push rod 312 has one first limited block 3121, prevents first push rod 312 detach with the spherical surface pipe 3152.And the end of the spherical surface pipe 3152 is solid by the end of screw and second transmission component 32 Fixed connection.

Referring to Fig. 5 b first transmission components 31 further include the first limit lantern ring 318, second limit lantern ring 320 with And multiple elastic washers 319.The first limit lantern ring 318 is fixedly sheathed in one far from shell 12 in this to heart casing 315 End, the second limit lantern ring 320 are socketed on the one end far from the front housing 11 to heart casing 315, and can be along to heart set Pipe 315 slides axially, second limit lantern ring 320 and end and concentric mechanism 70 end abutment, multiple elastic washer 319 are socketed on this on heart casing 315 and between the first limit lantern ring 318, second limits lantern ring 320.Multiple elasticity Washer 319 can play the role of damping, and certainly, which can also use other elastic constructions to replace, such as bullet Spring.

Referring to Fig. 6 and Fig. 7, which includes a first substrate 321, the first pipe 322, more A hang plate 323 and one first limit protrusion 324.First substrate 321, the first pipe 322, multiple hang plates 323 and one First limit protrusion 324 is coaxially disposed, and is overlapped with the axis of the accommodating chamber.Wherein, first pipe 322 be set to this first On substrate 32, which is set on the first substrate 321 and in first pipe 322, multiple to incline The evenly spaced one end far from the first substrate 321 for being set to first pipe 322 of inclined plate 323 and the first pipe of direction 322 outside tilts.

Referring to Fig. 8 and Fig. 9, which includes multiple second limited blocks 41 and is set to each The second stage body 42 on second limited block 41, the anelasticity part 47 and the 4th limited block 46 being set on the second limited block 41. Every 1 second limited block 41 is substantially in that cuboid is blocky, with external part, connecting pin, top, bottom end and two opposite Sidewall end, the top is opposite with bottom end 41d, and the external part is opposite with the connecting pin.It is also set on the top of second limited block 41 It is equipped with limit rib 43, the limit rib 43 is for preventing second limited block 41 from entirely skidding off first trepanning 131.Second limited block 41 top offers a groove body 415, and the anelasticity part 47 is installed in the groove body 415, the 4th limited block 46 Bottom end is connect with the anelasticity part 47, and the top of the 4th limited block 46 can stretch the groove body 415 or the groove body 415 of retracting. Wherein, the anelasticity part 47 of anelasticity by being made.When needing using the attachment device, first the 4th limited block 46 is pressed Into groove body 415, press component is then pressed, it, can be in second limit since the elasticity of anelasticity part 47 has retardance After the 41 retraction accommodating chamber of block of position, and it could be resetted after the completion of operation.Can be to avoid maloperation, and the anelasticity part 47 can be with Play the role of the recoil to second limited block 41, avoids 41 stress of the second limited block excessive, the attachment device can be improved Service life.

The external part is corresponding with corresponding first trepanning 131 in rear shell 13, which can stretch out first trepanning 131 or from first trepanning 131 retract.Connecting pin 41b is connect with the first reset assembly 60.First is offered on the connecting pin Mounting hole 411, first mounting hole 411 are used to coordinate with the first reset assembly 60.It is provided with two on every 1 second limited block 41 A second stage body 42, this two the second stage bodies 42 are symmetrically disposed on the two opposite of corresponding second limited block 41 by shaft In sidewall end.Wherein, this two the second stage bodies 42 are round platform, and the second stage body 42 bottom surface is adjacent with the sidewall end or phase Contact, the top surface of second stage body 42 is directed away from one end of the sidewall end.The radius of the top surface is less than the radius of the bottom surface.It should Second stage body 42 is pruned the vertex of a cone by circular cone and is formed.

Wherein, which includes pedestal 63, the connecting pole 61 being vertically installed on the pedestal 63, Yi Jian Loaded on multiple first elastic components 62 on the connecting pole 61.The pedestal 63 be fixedly installed in the rear shell 13 far from shell 12 in this One end.The connecting pole 61 towards this in shell 12 direction.

Wherein, the quantity of the first elastic component 62 is corresponded with the quantity of the second limited block 41.The pedestal 63 is substantially in circle Shape plate, the connecting pole 61 is cylindrical and is coaxially disposed with the pedestal 63, and the side wall surface of the connecting pole 61 is circumferentially uniform Offer it is multiple for install the second mounting holes 611 of the first elastic component 62, one end of first elastic component 62 mounted on this In two mounting holes 611 and it is fixedly connected.The other end of first elastic component 62 is mounted on the first peace on second limited block 41 It in dress hole 411 and is fixedly connected, such as can weld or be fixed by bolts.Wherein, which may be used Spring is not limited to this certainly.

Please refer to Figure 10, wherein second reset assembly 50 includes the second mounting base 51, the second elastic component 52 and screw 53.Wherein, second mounting base 51 is substantially cylindrical, the screw 53 by the bottom wall of second mounting base 51 and this first reset The end of the connecting pole 61 of component 60 connects.Second elastic component 52 is mounted in second mounting base 51.Second elastic component 52 be spring, and one end of second elastic component 52 is socketed on the end of the screw 53, another end cap of second elastic component 52 It is connected on the first limit protrusion 324 of second transmission component 32.Second mounting base 51, the second elastic component 52 and screw 53 are same Axis is arranged and is respectively positioned on the central axes of the accommodating chamber.

Referring to Fig. 2, Figure 11 and Figure 12, in some embodiments, which can also include a pair of of heart Mechanism 70.The concentric mechanism 70 is mounted in this in shell 12 and is connect with the end of the front housing 11.Specifically, the concentric mechanism 70 Including the first connecting seat 71, the second connecting seat 73 and multiple third pulleys 72.

First connecting seat 71 is substantially in flat cylindric, and multiple third pulley 72 can along itself axial-rotation and On the even surrounding side wall for being set to first connecting seat 71.The radial direction axially along first connecting seat 71 of the third pulley 72 Distribution.It is provided in the loose slot 7321 of multiple arcs on second connecting seat 73.The one side of first connecting seat 71 with before this The end of shell 11 connects, and multiple third pulley 72 is movably housed in respectively in the loose slot 7321.Second connecting seat 73 are fixedly installed in this on internal face of shell 12.

Specifically, which includes the first circular substrate 711 and is set on first circular substrate 711 The first connecting pipe structure 713, first connecting pipe structure 713 with the end of the front housing 11 for connecting.First circular substrate First through hole 712 is offered at 711 center.First connecting pipe structure 713 connects including the first connecting tube 7131 and second Take over 7132, second connecting tube 7132 are set on first circular substrate 711, and are arranged around the first through hole 712.It should First connecting tube 7131 be coaxially disposed with second connecting tube 7132 and on second connecting tube 7132.First company The outer diameter of take over 7131 is less than the outer diameter of second connecting tube 7132, which is plugged on the end of the front housing 11 Portion, the end abutment of the end of second connecting tube 7132 and the front housing 11, can the end of second connecting tube 7132 with Screw is set between the end of the front housing 11 to reinforce connecting.It is uniformly provided in the side wall surface of first circular substrate 711 multiple Third mounting hole 7111.The third mounting hole 7111 is for installing third pulley 72.The third pulley 72 by shaft part 721 with First circular substrate 711 connects.The shaft part 721 fixation is plugged in the third mounting hole 7111.

Second connecting seat 73 includes the second circular substrate 731 and is arranged along the periphery of second circular substrate 731 Cricoid second sidewall 732.The top of second sidewall 732 is uniformly provided with the loose slot 7321 of multiple arcs, and second is round The second through-hole 7311 is offered at the center of substrate 731.The opening on one side far from first connecting seat 71 of second circular substrate 731 Equipped with circular 4th mounting groove.4th mounting groove is used to be connected in it for the orifice plate 318a of first transmission component 31 It is interior.After assembly, which sequentially passes through the first through hole 712 and the second through-hole 7311 to heart casing 315. The direction of second connecting seat 73 first connecting seat 71 is additionally provided with a circular position-limiting tube 733 on one side, 733 edge of position-limiting tube Second through-hole 7311 distribution.The direction of corresponding first connecting seat 71 second connecting seat 73 is additionally provided on one side Five limiting slots, after assembly, which is fastened in the 5th limiting slot.

In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the present invention.In this specification In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.

In conclusion although the present invention is disclosed above with preferred embodiment, above preferred embodiment is not to limit The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention Decorations, therefore protection scope of the present invention is subject to the range that claim defines.

Claims

1. a kind of attachment device, including shell, transmission component, the first reset assembly, the second reset assembly, limited block component, biography Dynamic component and press component；It is formed with an accommodating chamber in the shell, is closed on the shell on the side wall of tail end and offers first Trepanning closes on the shell on the side wall of head end and offers the second trepanning, first trepanning and the second trepanning with the receiving Chamber is connected to, and the fixing end of the press component is rotatably attached with the outer wall of the shell, and the movable end of the press component passes through the Two trepannings are stretched into the accommodating chamber, and one end of the limited block component is set in the accommodating chamber, the other end of the limited block component Stretch out in first trepanning；The transmission component, the first reset assembly, the second reset assembly may be contained in the accommodating chamber, the biography One end of dynamic component is connect with the movable end, and the other end of the transmission component is connect with the limited block component, for by this Along the axial movement of the accommodating chamber and the limited block component is squeezed when the extruding of movable end so that the end of the limited block component is logical It crosses first trepanning to retract in the accommodating chamber, which connect with the limited block component to drive the limited block component The state for stretching out in first trepanning is reset to, which connect with the transmission component to drive the transmission component court It is resetted to the direction far from the limited block component；It is characterized in that, the limited block component includes multiple second limited blocks, setting In the 4th limited block and anelasticity part on the second limited block of two the second stage bodies and setting on every 1 second limited block；Often One second limited block has external part, connecting pin, top and bottom end；The external part is opposite with corresponding first trepanning, The connecting pin is connect with first reset assembly, and the top is towards the head end of the shell, tail end of the bottom end towards the shell； Two second stage bodies be symmetrically disposed in two opposite sidewall ends and can around itself axial-rotation and second stage body with The transmission component abuts；The hang plate of second transmission component is abutted with the side wall surface of second stage body；Described second The top of limited block offers a groove body, and the anelasticity part is installed in the groove body, the bottom end of the 4th limited block with The anelasticity part connection, the top of the 4th limited block can stretch the groove body or the groove body of retracting.

2. attachment device according to claim 1, which is characterized in that the top of second limited block, which is provided with, prevents this Second limited block fully slides out the limit rib in first trepanning, which is located in the accommodating chamber.

3. attachment device according to claim 1, which is characterized in that the 4th limited block is in a rectangular parallelepiped shape.

4. attachment device according to claim 3, which is characterized in that the transmission component include the first transmission component and Second transmission component, first transmission component are abutted with the movable end of the press component, for will be in the press component Along the axial movement of the shell and push second transmission component along the axial movement of the shell under extruding；

5. attachment device according to claim 4, which is characterized in that the end for stretching out in the spherical surface pipe of first push rod It is provided with one first limited block, prevents first push rod from being detached with the spherical surface pipe；And the end of the spherical surface pipe by screw and is somebody's turn to do The end of second transmission component is fixedly connected.

6. attachment device according to claim 4, which is characterized in that second transmission component includes first substrate, One pipe, multiple hang plates；First pipe is set to the first substrate, multiple hang plate is evenly spaced be set to this One end far from the first substrate of one pipe is simultaneously tilted towards the outside of the first pipe；When assembly, first transmission component with The first substrate connects, and the plate face of multiple hang plate is abutted with the second stage body of the limited block component.

7. attachment device according to claim 6, which is characterized in that second reset assembly include the second mounting base with And second elastic component, second mounting base are cylindrical in shape and are fixedly installed in the accommodating chamber；

8. attachment device according to claim 7, which is characterized in that first reset assembly includes pedestal, is set to Connecting pole on the pedestal and multiple first elastic components being installed on the connecting pole；

9. attachment device according to claim 8, which is characterized in that the side wall surface of the connecting pole is circumferentially uniformly opened Equipped with multiple the second mounting holes for installing the first elastic component；The first installation is offered on the connecting pin of second limited block Hole；One end installation of first elastic component is again in second mounting hole, the other end of first elastic component be mounted on this first In mounting hole.