CN207737395U - A kind of centering type saddle protecting device - Google Patents

Abstract

The utility model is related to a kind of centering type saddle protecting devices; including mounting box and umbrella; umbrella includes telescopic rod, skeleton, upper nest, lower nest; skeleton includes multiple first bone items, the second bone item, multiple first support bars; first bone one end is hinged with upper central part; first support bar one end is hinged with lower central part, and the first support bar other end is hinged with corresponding first bone item；Upper nest is located at the top of telescopic rod, and lower nest slides on telescopic rod；Second bone item is made of the first connection strap, the second connection strap and auxiliary bone item；First connection strap one end is hinged with lower nest, and the other end is hinged with upper central part；Second connection strap one end is hinged for upper nest, and the other end is hinged with lower central part；The middle part of first, second connection strap is hinged by articulated shaft；Auxiliary bone one end is connected on central part；Hinged with second bone item corresponding second support bar one end and lower central part, the other end is connect with auxiliary bone item.The utility model has the advantages that simple and reasonable.

Description

A kind of centering type saddle protecting device

Technical field

The utility model belongs to technical field of bicycles more particularly to a kind of centering type saddle protecting device.

Background technology

The vehicles that shared bicycle has become whole people's short distance trip and goes on a tour, it is environmentally friendly and energy saving, very by the people Crowd likes.It is prevailing with shared bicycle, it has also appeared in the market electronic（Voluntarily）Vehicle, it is also all very hot.But current There is also certain problems for shared bicycle：

Bicycle is outdoor placement, is leaked morning very heavy, vehicle seat can be moister, and also droplet is deposited on after it rains Be not easy to do on vehicle seat, user using when need first to dry vehicle seat and then could ride；With the passage of usage time, Sunlight and rainwater are handed under phase separation, and the surface layer object such as rubber seat cushion of vehicle seat can accelerated ageing；Vehicle seat after aging not only surface Humidity, internal foam-rubber cushion can also be soaked by rainwater, make user can not normal use.

It provides a kind of saddle protecting device being arranged on vehicle after-frame vehicle seat can be protected, if but center pair The side product that the protective device of title can cause the half of protective device to be located remotely from vehicle seat is idle, while part vehicle seat can not be protected Shield, if being intended to protect vehicle seat completely, the area of protective device can be excessively big, occupies larger area, influences car and park spacing, because This can have the saddle protecting device of a centering type according to practical application, completely be protected to vehicle seat.

Utility model content

In order to solve the problems, such as that saddle protecting device cannot carry out vehicle seat completely reliable protection, the utility model provides A kind of centering type saddle protecting device, including mounting box and umbrella, mounting box are arranged on supporting rack, and supporting rack is arranged in vehicle The umbrella and the drive component for driving the umbrella opening and closing are set on after-frame, on mounting box；It is described Umbrella includes telescopic rod, skeleton, the upper nest being arranged on telescopic rod, lower nest and the umbrella cover being arranged on skeleton；The bone Frame includes multiple first bone items, the second bone item, multiple first support bars, one end of each first bone item with it is upper in Central member is hinged, and one end of every 1 first support bar is hinged with lower central part, the other end of the first support bar and corresponding first Bone item is hinged, and upper central part, lower central part are on same axis；The upper nest is arranged at the top of telescopic rod, lower nest sliding sleeve On telescopic rod；The second bone item is made of the first connection strap, the second connection strap and auxiliary bone item, first connection strap one end Hinged with lower nest, the first connection strap other end is hinged with upper central part；One end of second connection strap is hinged for upper nest, and second connects The other end of narrow bars is hinged with lower central part；The middle part of first connection strap and the second connection strap is hinged by articulated shaft； One end of auxiliary bone item is connected on central part, and is oppositely arranged with the second connection strap；It is second corresponding with the second bone item One end of stay is hinged with lower central part, and the other end of the second support bar is connect with auxiliary bone item.

Further, the upper central part, lower central part are towards vehicle seat.

Further, support frame as described above includes upper bracket and lower bracket, and upper bracket includes solid with seat rod with lower bracket Fixed clip and the connecting rod being arranged on clip outer wall, the free end of connecting rod is provided with mounting portion, installation is provided on mounting portion Hole, the angle between mounting portion and clip are equal to the angle between seat rod and horizontal plane.

Further, telescopic rod includes outer tube and inner sleeve, and outer tube is set in inner sleeve so that inner sleeve can be with It is slided up and down along the axis of outer tube, outer tube top is provided with anti-decylization, in the anti-decylization and inner sleeve pipe outer wall bottom end The filler ring cooperation extended radially outward, to prevent inner sleeve bottom end from being slipped from outer tube top, outer tube bottom end and mounting box It is fixedly connected.

Further, leading screw is coaxially arranged in telescopic rod, one end of leading screw couples with mounting box, is set in the mounting box It is equipped with driving motor A, transmission gear is fixed on the output shaft of driving motor A, transmission gear is driven with leading screw cooperation；In described Sleeve side walls bottom end is installed with tapped transmission ring, the other end of leading screw and the screw-internal thread fit of transmission ring, makes inner sleeve As transmission ring is moved back and forth relative to outer tube above and below together.

Further, the driving motor A motor driving, driving motor B motor driving respectively with the letter of controller The connection of number output end.

Further, a fixed pulley is set on the inner wall of the inner sleeve top, driving is provided in the mounting box Motor B is provided with wiring part on the output shaft of driving motor B, a drawstring is arranged on the fixed pulley；The drawstring is in fixed pulley On around one circle after, one end of drawstring is fixedly connected with across inner sleeve with lower nest, and the other end of drawstring is pierced by from inner sleeve bottom end It is pierced by into outer tube, and from outer tube bottom end, is fixedly connected with wiring part.

The utility model has the advantages that：

The skeleton eccentric setting of the umbrella of the utility model, specifically, telescopic rod is disposed therein on a umbrella frame, Upper and lower central part is biased to the setting of vehicle seat direction, and telescopic rod is arranged when on mounting box, and telescopic rod can be made apart from the distance of vehicle seat Farther out, and it is more preferable to the protecting effect of vehicle seat, more thoroughly.To vehicle seat when the centering type saddle protecting device of the utility model struts While protection completely, the gross area is smaller, more adapts to the installation site of the device, and to vehicle seat preferably to protect.

Description of the drawings

Fig. 1 is the schematic diagram A that centering type saddle protecting device is mounted on bicycle.

Fig. 2 is the schematic diagram B that centering type saddle protecting device is mounted on bicycle.

Fig. 3 is support frame structure diagram.

Fig. 4 is the structural schematic diagram A of upper bracket 11 in Fig. 3.

Fig. 5 is 11 structural schematic diagram B of upper bracket in Fig. 3.

Fig. 6 is 12 structural schematic diagram of lower bracket in Fig. 3.

Fig. 7 is vehicle seat intelligent protection device structural schematic diagram.

Fig. 8 is the structural schematic diagram of centering type saddle protecting device.

In figure：1- supporting racks；11- upper brackets；111- clips A；112- first connecting rods；The first mounting portions of 113-；It is propped up under 12- Frame；121- clips B；122- second connecting rods；The second mounting portions of 123-；2- mounting boxs；3- umbrellas；4- telescopic rods；41- housings Pipe；42- inner sleeves；5- skeletons；51- the first bone items；52- the second bone items；The first connection straps of 521-；The second connection straps of 522-； 523- assists bone item；The first support bars of 53-；The upper central parts of 54-；Central part under 55-；The second support bars of 56-；6- leading screws；7- is fixed Pulley；71- drawstrings.

Specific implementation mode

Reach the technological means and effect that predetermined purpose is taken for the utility model is expanded on further, below in conjunction with attached drawing And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.

In the description of the invention, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies to describe, rather than indicate Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand For the limitation to the invention.

In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result, It can explicitly or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, The meaning of " plurality " is two or more.

Term " installation ", " connected ", " connection " shall be understood in a broad sense, and can also be removable for example, it may be being fixedly connected Connection is unloaded, or is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can more than Content is to combine specific preferred embodiment further detailed description of the utility model, and it cannot be said that this practicality is new The specific implementation of type is confined to these explanations.For the utility model person of an ordinary skill in the technical field, Under the premise of not departing from the utility model design, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to this reality With novel protection domain.

Embodiment 1：

In order to solve the problems, such as that saddle protecting device cannot carry out completely reliable protection to vehicle seat, as shown in Fig. 1 ~ Fig. 7, The utility model provides a kind of centering type vehicle seat intelligent protection device, and saddle protecting device is arranged on supporting rack 1, supporting rack 1 It is arranged in seat rod.

With reference to 3 ~ Fig. 6 of figure, supporting rack 1 includes upper bracket 11 and lower bracket 12, and upper bracket 11 includes engaging with seat rod The free end of clip A111, the first connecting rod 112 being fixedly connected with the periphery wall of clip A111, first connecting rod 112 are provided with One mounting portion 113 is provided with the mounting hole for installing supporting seat protective device, the first mounting portion on first mounting portion 113 Angle b between 113 and clip A111 axis is equal to the angle a between seat rod and horizontal plane（Angle a herein is with smaller Subject to that angle）, so that when upper bracket 11 is mounted in seat rod, 113 horizontal extension of the first mounting portion, the first installation When 113 horizontal extension of portion is to ensure that vehicle seat intelligent protection device struts, vehicle seat can be reliably protected.

In order to increase the stability of upper bracket 11, first connecting rod 112 is arranged two or three, when two first companies of setting When bar 112, it is arranged by symmetry axis of the radial line by clip A111 snapped-in positions；When three first connecting rods 112 are arranged, by Three connecting rods are arranged on the periphery wall opposite with the buckle of clip A111.When first connecting rod 112 have it is multiple when, every 1 first The mounting portion of connecting rod 112 is located in the same horizontal plane, and the axis of the mounting hole of each mounting portion is located in same perpendicular.

Lower bracket 12 includes the clip B121 engaged with seat rod, is fixedly connected with clip B121 periphery walls and obliquely upward At least one second connecting rod 122 prolonged, the free end of second connecting rod 122 have the second mounting portion 123, and second installs and be provided with The angle c of mounting hole for installing supporting seat protective device, the second mounting portion 123 and clip B121 axis is equal to seat rod With the angle a of horizontal plane, so that when lower bracket 12 is mounted in seat rod, 123 horizontal extension of the second mounting portion, second installs When 123 horizontal extension of portion is to ensure that vehicle seat intelligent protection device struts, vehicle seat can be reliably protected.

When only there are one when second connecting rod 122, second connecting rod 122 is preferably provided at buckles opposite position with clip B121 On；When second connecting rod 122 there are two when, be symmetrical arranged as symmetry axis by the radial lines of clip B121 snapped-in positions using clip B121 When second connecting rod 122 there are three when, first second connecting rod 122 is arranged on the position opposite with clip B121 snapped-in positions, Other two is symmetrical arranged with first second connecting rod 122 for symmetry axis.

It should be pointed out that above-mentioned upper bracket 11 and lower bracket 12 can be used alone and can also be used cooperatively, in order to Enable to be used cooperatively when above-mentioned upper bracket 11 and lower bracket 12, the length of second connecting rod 122 should be more than first connecting rod 112 Length, and the angle e of second connecting rod 122 and clip B121 axis is less than the angle of first connecting rod 112 and clip A111 axis D, to realize that first mounting portion 113 and the second mounting portion 123 are located at same level by after upper bracket 11 and the installation of lower bracket 12 It is interior；To ensure that upper bracket 11 and lower bracket 12 can be reliable and stable is applied in combination, realizes and stablizing for protective device is supported.

Preferably, the angle d between first connecting rod 112 and clip A111 axis be less than or equal to seat rod and horizontal plane it Between angle a 1/2, be more than or equal between seat rod and horizontal plane angle a 1/4, within this range, can ensure vehicle seat intelligence Protective device is at a distance from safe and reliable between vehicle seat, ensure can only saddle protecting device can be reliable and stable work, again User is not influenced to the use to bicycle, i.e. vehicle seat intelligent protection device is not interfered with vehicle seat, supporting rack 1 and other portions of vehicle after-frame Also do not interfere between part.

With reference to 1 Fig. 2 of figure, saddle protecting device includes mounting box 2 and umbrella 3, and mounting box 2 is arranged on supporting rack 1, peace It may be used to be welded and fixed to adopt between mounted box 2 and holder and be screwed, it might even be possible to be fixed using cable strap；Installation It is provided with the drive component that umbrella 3 and the driving umbrella 3 for protecting vehicle seat open and close on box 2, preferably protects Umbrella 3 is vertically arranged on mounting box 2.

With reference to figure 7, umbrella 3 includes telescopic rod 4, and skeleton 5, the upper nest being arranged on telescopic rod 4, lower nest are arranged in bone Umbrella cover on frame 5.Telescopic rod 4 includes outer tube 41 and inner sleeve 42, and outer tube 41 is set in inner sleeve 42 so that inner sleeve 42 can slide up and down along the axis of outer tube 41, and 41 top of outer tube is provided with anti-decylization, anti-decylization with outside inner sleeve 42 The filler ring cooperation extended radially outward on wall bottom end, to prevent 42 bottom end of inner sleeve from being slipped from 41 top of outer tube, inner sleeve The madial wall bottom end of pipe 42 is provided with tapped transmission ring, and the outer wall of the transmission ring is fixed with 42 madial wall of inner sleeve to be connected It connects.41 bottom end of outer tube is inserted into mounting box 2, and is fixedly connected with mounting box 2；It is provided with for outer tube on 2 roof of mounting box 41 through-holes passed through, 41 bottom end of outer tube pass through the through-hole and are fixedly connected with 2 roof of mounting box.It is coaxially set in outer tube 41 It is equipped with leading screw 6, one end of leading screw 6 extends in mounting box 2 and couples with mounting box 2.

With reference to figure 7, drive component includes the driving motor A being arranged in mounting box 2, driving motor B, with driving motor A Output axis connection driving gear；One end of leading screw 6 is provided with the transmission gear coordinated with the driving gear, to drive gear The transmission gear rotation on leading screw 6 is driven, and then leading screw 6 is driven to rotate；The other end of leading screw 6 enters across mounting box roof to be stretched It in contracting bar, and is coaxially disposed with telescopic rod 4, one end and the transmission ring of leading screw 6 coordinate, on the internal thread and leading screw 6 of transmission ring External screw thread coordinates, when motor A drives leading screw 6 to rotate in the forward direction or reversely rotates, transmission ring carried out on leading screw 6 it is upward or Downward linear motion, while driving the inner sleeve 42 for being secured to connection to be synchronized along leading screw 6 and carrying out upwardly or downwardly Linear motion, that is to say, that the positive and negative rotation of motor can automatically control inner sleeve 42 and be shunk and stretched relative to outer tube 41 Go out, completes the stretching and contraction of telescopic rod 4.

Driving motor A and driving motor B is respectively relative to leading screw setting so that driving motor, driving motor B will not be mutual Interference.

Driving motor A is bolted with mounting box 2, one end opposite with its output shaft driving motor A be provided with to Driving motor A is fixed in mounting box 2 by few two screw holes, bolt vertically across 2 bottom wall of mounting box, with realize driving gear and The reliable fit of leading screw 6.

In order to ensure that leading screw 6 is rotated with driving gear relative to mounting box 2, the one end of leading screw 6 passes through Bearing is fixed with mounting box 2, and the inner wall of bearing is fixedly connected with leading screw 6, and the outer wall of bearing is fixedly connected with mounting box 2.

In order to enable umbrella frame to automatically open and be closed, one fixed pulley 7 is set on 42 inner wall top of inner sleeve, in inner sleeve One vertical slit is set on 42 tube walls, which can extend to transmission ring bottom end from 42 top of inner sleeve terminates, and also may be used Terminated with being extended to below transmission ring since 7 lower section of fixed pulley；One drawstring 71, the drawstring are set on the fixed pulley 7 71 around after on fixed pulley 7, and 71 one end of drawstring is pierced by from slit and is fixedly connected with lower nest, and 71 other end of drawstring is from slit bottom end It is pierced by（It is pierced by along the outer wall of transmission ring）, and enter in outer tube 41, it is then pierced by from 41 bottom end of outer tube, specifically , it is provided with the driving motor B for controlling extensional motion in mounting box 2, wiring is provided on the output shaft of driving motor B Part, 71 other end of drawstring are fixed on wiring part.In order to ensure the automatic contraction in umbrella portion, do not set on the telescopic rod 4 of the present embodiment Set locating piece.

For the work for keeping drawstring reliable and stable, the output shaft of driving motor B is perpendicular to leading screw.

In addition, in order to ensure the automatic contraction in umbrella portion, locating piece is not provided on the telescopic rod 4 of the present embodiment.

Skeleton 5 struts and contraction process：When driving motor B drives the rotation of wiring part, drawstring 71 is pulled by fixed pulley 7 Lower nest is moved along 4 upward nest direction of telescopic rod, and skeleton 5 struts automatically.When driving motor B drives wiring part to turn round about When dynamic, drawstring 71 disappears to the upward pulling force of upper nest, 5 free shrink of skeleton.

The present embodiment middle skeleton includes that folding skeleton in the prior art may be used or roll over skeleton more to may be implemented It skeleton strutting in umbrella stem and shrinks, can be designed according to the length of the distance between supporting rack and vehicle seat and telescopic rod The area that umbrella can cover.

The saddle protecting device of the present embodiment is preferably provided on shared bicycle and uses, that is, needs and used in user While electronics secret key opens lock, saddle protecting device can be shunk, so that user normally rides, user locks lock When, saddle protecting device being capable of auto-extending.Thus there are following two problems：

1, vertical space of the back wheels of vehicle apart from vehicle seat is limited, and vertical range of the supporting rack 1 apart from vehicle seat is more limited, and stretches When under 4 contraction state of bar, dickey seats are highly had to be lower than, otherwise can influence normally to ride.

2, due to the above problem 1 the case where, if opening skeleton 5 when telescopic rod 4 is not fully extended, skeleton 5 must Surely it can be stuck in below seat, not only can not normally open, but also saddle protecting device can be damaged；Similarly, it is protected if shrinking vehicle seat When protection unit, umbrella movement is synchronous with the contractive action of telescopic rod 4, it is possible that shrinking umbrella stem is first down to vehicle seat or less and bone The case where frame 5 is not yet shunk completely.

For the sake of assurance, the saddle protecting device of the present embodiment uses sequential occupation mode：Saddle protecting device exists first It starts to work（Umbrella support is opened to protect vehicle seat）When, need driving motor A controls telescopic rod 4 first fully extended, then driving motor B It drives and is rotated around line piece again, skeleton 5 is made to strut；Secondly, when saddle protecting device is shunk, driving motor B is first acted, by skeleton 5 shrink completion, and then inner sleeve 42 is retracted to vehicle seat or less by driving motor A again.

Therefore, it is necessary to connect the driving of the motor of driving motor A and driving motor B with the signal output end of controller respectively It connects.

Because the saddle protecting device in the present embodiment is used in combination with intelligent bicycle lock, above-mentioned controller and control The controller that intelligent bicycle lock processed is opened is same.Controller is only needed to carry out Timing driver i.e. using the program of the prior art It can.

Embodiment 2：

With reference to figure 8, in order to enable the protecting effect of vehicle seat intelligent protection device is more preferable, structure setting is more reasonable, this implementation The skeleton 5 of example includes multiple first bone items 51 and a second bone item 52, multiple first support bars 53, every 1 first bone item 51 One end is hinged with upper central part 54, and one end of every 1 first support bar 53 is hinged with lower central part 55, the first support bar 53 The other end and corresponding first bone item 51 it is hinged, upper central part 54, lower central part 55 are on same axis.

Upper nest is arranged at the top of telescopic rod 4, and lower nest slides on telescopic rod 4.Second bone item 52 is by the first connection strap 521, the second connection strap 522 and auxiliary bone item 523 are constituted；First connection strap, 521 one end is hinged with lower nest, the first connection strap 521 other end is hinged with upper central part 54；One end of second connection strap 522 is hinged with upper nest, the second connection strap 522 it is another End is hinged with lower central part 55；The middle part of first connection strap 521 and the second connection strap 522 is hinged by an articulated shaft； One end of auxiliary bone item 523 is hinged on central part 54, and is oppositely arranged with the second connection strap 522；Meanwhile the second bone item 52 One end of corresponding second support bar 56 is hinged with lower central part 55, and the other end and the auxiliary bone item 523 of the second support bar 56 are cut with scissors It connects.

The design concept of the present embodiment is described in detail below, a kind of vehicle seat protection dress of centering type is provided in the present embodiment It sets, with relatively reasonable area when the purpose is to make protective device strut, and vehicle seat can completely be protected, had When body is implemented, is acted on and being realized by the power transmission of cross-articulation structure：When drawstring makes the upward nest direction of lower nest move by fixed pulley When dynamic, the first support bar 53 is upturned centered on pushing 51 or more nest of the first bone item, and the first connection strap 521 moves the second connection strap It is upturned centered on 522 or more nests, at this time with the hinged lower central part 55 of the second connection strap 522 as the second connection strap is upward Mobile, lower central part drives second support bar 56 hinged with its other side to move upwards, and the second support bar 56 pushes auxiliary bone Item 523 moves upwards, and so entirely skeleton 5 is strutted.Because on the telescopic rod of the present embodiment and being not provided with locating piece, So when the drawstring active force upward to lower nest disappears, lower nest is acted on by sole mass and 5 mass of skeleton, along telescopic rod 4 move downward, and to drive first the 53, first connection strap 521 of support to move downward, make and first the 53, first connection strap of support 521 the first hinged bone items 51, the second connection strap 522 rotate down centered on the above nest respectively, and lower central part 55 is also to moving down It is dynamic, to be moved down with dynamic auxiliary bone item 523 by the second support bar 56, skeleton free shrink.

It is more thorough in order to make skeleton 5 shrink, the quality of lower nest can be increased or weight is set on lower nest, equally , the quality of lower central part 55 can be increased and weight is set on lower central part 55.

One of ordinary skill in the art will appreciate that in a particular application, needing will have the one of central part on skeleton 5 Side is towards vehicle seat.And the other parts of the present embodiment are identical as above-mentioned implementation 1.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the scope of protection of the utility model.

Claims (7)

1. a kind of centering type saddle protecting device, which is characterized in that including mounting box（2）And umbrella（3）, mounting box（2）If It sets in supporting rack（1）On, supporting rack（1）It is arranged on vehicle after-frame, mounting box（2）The upper setting umbrella（3）And it is used for Drive the umbrella（3）The drive component of opening and closing；

The umbrella（3）Including telescopic rod（4）, skeleton（5）, it is arranged in telescopic rod（4）On upper nest, lower nest and setting exist Skeleton（5）On umbrella cover；

The skeleton（5）Including multiple first bone items（51）, a second bone item（52）, multiple first support bars（53）, each The first bone item（51）One end with upper central part（54）It is hinged, every 1 first support bar（53）One end centers Jun Yuxia Part（55）It is hinged, the first support bar（53）The other end and corresponding first bone item（51）It is hinged, upper central part（54）, lower center Part（55）On same axis；

The upper nest is arranged in telescopic rod（4）Top, lower nest slides over telescopic rod（4）On；

The second bone item（52）By the first connection strap（521）, the second connection strap（522）And auxiliary bone item（523）It constitutes, the One connection strap（521）One end is hinged with lower nest, the first connection strap（521）The other end and upper central part（54）It is hinged；Second connection Item（522）One end it is hinged for upper nest, the second connection strap（522）The other end and lower central part（55）It is hinged；First connection Item（521）With the second connection strap（522）Middle part it is hinged by articulated shaft；Assist bone item（523）One end be connected to Upper central part（54）On, and with the second connection strap（522）It is oppositely arranged；With the second bone item（52）Corresponding second support bar（56） One end and lower central part（55）It is hinged, the other end and auxiliary bone item（523）Connection.

2. a kind of centering type saddle protecting device according to claim 1, which is characterized in that the upper central part（54）、 Lower central part（55）Towards vehicle seat.

3. a kind of centering type saddle protecting device according to claim 1, which is characterized in that support frame as described above（1）Including Upper bracket（11）And lower bracket（12）, upper bracket（11）With lower bracket（12）Include existing with the fixed clip of seat rod and setting The free end of connecting rod on clip outer wall, connecting rod is provided with mounting portion, is provided with mounting hole on mounting portion, mounting portion and clip it Between angle be equal to angle between seat rod and horizontal plane.

4. a kind of centering type saddle protecting device according to claim 1, which is characterized in that telescopic rod（4）Including housing Pipe（41）And inner sleeve（42）, outer tube（41）It is set in inner sleeve（42）It is interior so that inner sleeve（42）It can be along outer tube （41）Axis slide up and down, outer tube（41）Top is provided with anti-decylization, the anti-decylization and inner sleeve（42）On outer wall bottom end Extend radially outward filler ring cooperation, to prevent inner sleeve（42）Bottom end is from outer tube（41）Top slips, outer tube （41）Bottom end and mounting box（2）It is fixedly connected.

5. a kind of centering type saddle protecting device according to claim 4, which is characterized in that in the inner sleeve（42）Top A fixed pulley is set on the inner wall of end（7）, in the mounting box（2）Driving motor B is inside provided with, on the output shaft of driving motor B It is provided with wiring part, the fixed pulley（7）One drawstring of upper setting（71）；The drawstring（71）In fixed pulley（7）On around one circle after, Drawstring（71）One end with pass through inner sleeve（42）It is fixedly connected with lower nest, drawstring（71）The other end from inner sleeve（42）Bottom end It is pierced by and enters outer tube（41）, and from outer tube（41）Bottom end is pierced by, and is fixedly connected with wiring part.

6. a kind of centering type saddle protecting device according to claim 5, which is characterized in that the telescopic rod（4）It is interior same Axis is provided with leading screw（6）, leading screw（6）One end and mounting box（2）Connection, the mounting box（2）It is inside provided with driving motor A, Transmission gear, transmission gear and leading screw are fixed on the output shaft of driving motor A（6）Cooperation transmission；

The inner sleeve（42）Side wall bottom end is installed with tapped transmission ring, leading screw（6）The other end and transmission ring it is interior Screw-thread fit makes inner sleeve（42）As transmission ring is together relative to outer tube（41）It is moved back and forth above and below.

7. a kind of centering type saddle protecting device according to claim 6, which is characterized in that the electricity of the driving motor A Machine driving, the motor driving of driving motor B are connect with the signal output end of controller respectively.