CN209135953U - A kind of upper bed-plate, lower bottom base, fence connector and fence system - Google Patents

Abstract

The utility model provides a kind of fence system, it is related to fence technical field, frame caused by due to solve the relative position existing in the prior art that can not lock transverse bar and vertical bar because of three-way connection touched it is easily-deformable to cause security risk the technical issues of, including at least two pieces of fence board and fence connector, in which: the upper and lower ends of the fence board two sides are provided with fence axis；The fence connector is provided with the upper bed-plate including locking system and the lower bottom base including telescopic device and wheel, and at least two pieces of the fence board is successively joined end to end by the mutual cooperation of the upper bed-plate and the lower bottom base；The upper bed-plate and the lower bottom base are rotated synchronously about the fence axis；Locking system can lock the relative position of fence axis to the utility model in use, and wheel can be released and be withdrawn to telescopic device, various shapes and locking back wall breast board is unlikely to deform when the utility model is opened, and fence protection effect is significant and storage easy to remove.

Description

A kind of upper bed-plate, lower bottom base, fence connector and fence system

Technical field

The utility model relates to fence technical fields, and in particular to a kind of upper bed-plate, lower bottom base, fence connector and enclose Column system.

Background technique

Currently, more and more parents are increasingly busy and have no time to look after children constantly, therefrom caused by children's safety thing Therefore take place frequently, therefore a kind of child enclosure that a safe space can be provided for children is becoming increasingly popular, on market today often Its fence board of the child enclosure seen is during connection, often because the relative position between fence board can not lock to right The use of child enclosure impacts.

A kind of child enclosure disclosed in Chinese patent document, frame, connecting rod, fence cloth and fence including the right and left Lock, the frame which uses are formed by connecting by rotatable three-way connection, which can be realized child enclosure Fold, but because the rotational angle of its three-way connection can not lock so that the child enclosure be easy in use because The rotation of three-way connection and deform, cause security risk.

Applicants have discovered that at least there is following technical problem in the prior art:

1, three-way connection can rotate, in use, by the deformation for be easy to causeing child enclosure is touched, to make At security risk.

2, three-way connection is influenced by itself structure, and shape is more single in the open mode, and seriously affecting it makes Use range.

Utility model content

One of the purpose of this utility model is to provide a kind of upper bed-plate, existing in the prior art because of transverse bar to solve With longitudinal rod relative position can not lock and caused by the easily-deformable technical problem of frame；Many technologies provided by the utility model (alternative expression PBU pushbutton unit is easy to operate for many technical effects that optimal technical scheme in scheme can be generated；Locking system lock Only function is significant；Double-layer gear and the internal tooth in the second through-hole can adjust automatically and engage), elaboration as detailed below.

To achieve the above object, the utility model provides following technical scheme:

A kind of upper bed-plate provided by the utility model, including upper bed-plate upper housing, locking system and upper bed-plate lower case, In: the upper bed-plate upper case cover is closed in the upper bed-plate lower case, and the first cavity of internal formation, the locking system are set It sets in first cavity；It is set on upper bed-plate lower case bottom surface there are two first through hole, the first through hole is used to pacify Fill the upper end of fence axis；The locking system is for locking rotation angle of the fence axis relative to the first through hole.

It preferably, further include alternative expression PBU pushbutton unit, in which: the alternative expression PBU pushbutton unit is arranged in first cavity Interior, the upper end of the alternative expression PBU pushbutton unit passes through the upper bed-plate upper housing, the lower end of the alternative expression PBU pushbutton unit and institute Locking system is stated to offset；The alternative expression PBU pushbutton unit controls institute by the relative position that pressing limits the locking system State locking and the unlatching of locking system.

Preferably, the locking system includes locking clamping plate, second spring, First Transition wheel and two locking sleeves, In: the upper surface of the locking clamping plate offsets with the alternative expression PBU pushbutton unit, and lower end surface offsets with the second spring, institute Stating setting on locking clamping plate, there are two the second through-holes, the circle of inner wall surrounding one of second through-hole to be provided with internal tooth；Described second Spring is arranged in the upper bed-plate lower case；The upper end of the locking sleeve passes through second through-hole, the locking sleeve Lower end be provided with double-layer gear, when locking the fence axis relative position, lower layer's gear of the double-layer gear with it is described Internal tooth inside second through-hole is meshed；Third through-hole, the first through hole and institute are provided on the top surface of the locking sleeve It states third through-hole and forms the first passage being inserted into for the upper end of the fence axis, the locking sleeve is synchronous with the fence axis Rotation；The First Transition wheel is arranged between two locking sleeves, and the First Transition wheel is described double with two respectively Lower layer's gear of layer gear is meshed, and the First Transition wheel is arranged in the upper bed-plate lower case.

Preferably, the lower end flank of tooth of the internal tooth of second through-hole is disposed as inclined-plane, the upper layer tooth of the double-layer gear The gear teeth of wheel and the inclined-plane of the internal tooth lower end of second through-hole offset, and the upper layer gear and lower layer's gear of the double-layer gear are equal It can be with the interior tooth engagement of second through-hole, to guarantee when locking the fence axis relative position, the double-layer gear Lower layer's gear is engaged with the smooth of the internal tooth.

Upper bed-plate provided by the embodiment of the utility model the utility model has the advantages that

A kind of upper bed-plate provided by the utility model, the first through hole are used to install the upper end of fence axis, fence axis peace It loads admittedly, is unlikely to deform；The locking system is used to lock the relative rotation angle of the fence axis, can lock the upper bottom Relative position of the seat relative to the fence axis, locking is easy to operate, locking significant effect.

Another of the utility model is designed to provide a kind of lower bottom base, to solve in the prior art existing enclose Column is not easily shifted or moves more laborious technical problem, the optimization technique in many technical solutions provided by the utility model (telescopic device can control the flexible of wheel to many technical effects that scheme can be generated；Wheel stretches easy to operate, Rotational angle of the lower bottom base about the fence axis can be locked) etc., elaboration as detailed below.

To achieve the above object, the utility model provides following technical scheme:

A kind of lower bottom base provided by the utility model, including lower bottom base upper housing, telescopic device, wheel and lower bottom base lower casing Body, in which: the lower bottom base upper case cover is closed in the lower bottom base lower case, and the second cavity of internal formation, described flexible Device is connected with the wheel and is arranged in second cavity；There are two for setting on the top surface of the lower bottom base upper housing Four through-holes；The fourth hole is used to install the lower end of fence axis；The telescopic device be used for control the wheel stretching and It withdraws.

Preferably, the telescopic device includes two extension sleeves, third spring, mounting plate, the second transition wheel and stretches Plate, in which: the mounting plate is fixed in second cavity, and there are two the 6th through-holes for the mounting plate setting；It is described Extension sleeve is connected after sequentially passing through the 6th through-hole and the expansion plate with the third spring, and the extension sleeve can It is rotated in the 6th through-hole；Aperture, the aperture and the described 4th are provided on the top surface of two extension sleeves Through-hole forms the second channel for installing fence axis lower end, and the extension sleeve and the fence axis rotate synchronously；Institute It states the second transition wheel to be arranged on the mounting plate and be located between two extension sleeves, outside the extension sleeve top Wall is provided with external tooth, and second transition wheel is meshed with the external tooth of two extension sleeves respectively；The third spring Upper end is sleeved on the lower part of the extension sleeve, and is offseted with the bottom surface of the expansion plate, the lower end of the third spring with The lower bottom base lower case offsets, and the third spring is for releasing and retracting the expansion plate；The lower end surface of the expansion plate It is provided with wheel place position, fifth hole is provided in the lower bottom base lower case, a part of the wheel is arranged described In wheel place position, the wheel can pass through the upper and lower flexible along fifth hole stretching and withdrawal of the expansion plate.

Preferably, it is provided with sliding block on the outer wall of the extension sleeve, is provided with endless glide on the expansion plate, In: the downside of the external tooth of the extension sleeve is arranged in the sliding block, and the sliding block is placed in the endless glide, and the cunning Block can slide in the endless glide；The endless glide bottom rounds to form wavy fluctuating, described flexible Plate can stretch up and down with the sliding of the sliding block.

Preferably, the top of the extension sleeve is provided with the second alternative expression PBU pushbutton unit and the second locking clamping plate, in which: The second alternative expression PBU pushbutton unit is arranged in second cavity, and the upper end of the second alternative expression PBU pushbutton unit passes through institute Lower bottom base upper housing is stated, the lower end of the second alternative expression PBU pushbutton unit offsets with the second locking clamping plate；Second lock Only there are two the 7th through-holes for setting on clamping plate, and the inside of the 7th through-hole, which is rounded, is provided with internal tooth, the locking sleeve External tooth be double-layered tooth, the internal tooth in the 7th through-hole is equipped with inclined-plane, the upper layer tooth of the double-layered tooth and the 7th through-hole Interior internal tooth offsets, when locking the rotational angle of the fence axis, in lower layer's tooth of the double-layered tooth and the 7th through-hole Internal tooth be meshed.

Lower bottom base provided by the embodiment of the utility model the utility model has the advantages that

A kind of lower bottom base provided by the utility model, the fourth hole are used to install the lower end of the fence axis, fence Axis installation fastening, is unlikely to deform；The telescopic device can control the stretching and withdrawal of wheel, easy to operate, easy to remove.

Another of the utility model is designed to provide a kind of fence connector, to solve frame in the prior art Easily-deformable technical problem, many skills that the optimal technical scheme in many technical solutions provided by the utility model can be generated Art effect, elaboration as detailed below.

To achieve the above object, the utility model provides following technical scheme:

A kind of fence connector provided by the utility model, the upper bed-plate and the lower bottom base are for installing fence axis； The upper bed-plate and the lower bottom base can be rotated synchronously about the fence axis.

Fence connector provided by the embodiment of the utility model the utility model has the advantages that

The upper bed-plate and the lower bottom base cooperate, and the installation of fence axis is more steady while fastening, are unlikely to deform； The upper bed-plate and the lower bottom base can be rotated synchronously about the fence axis, and fence operates during folding and opening It is convenient and efficient.

Another of the utility model is designed to provide a kind of fence system, in the prior art existing to solve By easily-deformable technical problem is touched, the optimal technical scheme in many technical solutions provided by the utility model can produce frame Raw many technical effects, elaboration as detailed below.

To achieve the above object, the utility model provides following technical scheme:

A kind of fence system provided by the utility model, including at least two pieces of fence boards and at least a set of fence connect Connect device, in which: the upper and lower ends of the fence board two sides are provided with fence axis；The upper end fence axis of two pieces of fence boards is logical Cross the upper bed-plate connection；The lower end fence axis of two pieces of fence boards is connected by the lower bottom base.

Fence system provided by the embodiment of the utility model the utility model has the advantages that

The fence system that the fence board is surrounded by the upper bed-plate and lower bottom base mutual cooperation connection, It is unlikely to deform after relatively rotating angle locking, securely and reliably, and can fold and move, easy to carry and storage.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the utility model fence connector structural schematic diagram；

Fig. 2 is the utility model upper bed-plate decomposition assembly drawing；

Fig. 3 is the utility model lower bottom base decomposition assembly drawing；

Fig. 4 is lower bottom base the second alternative expression PBU pushbutton unit and the second locking clamping plate of the utility model another embodiment Decomposition assembly drawing；

Fig. 5 is the utility model fence folded state structural schematic diagram；

Fig. 6 is the utility model fence opening state structural schematic diagram；

Fig. 7 is the utility model the first fence board component diagram；

Fig. 8 is the utility model the second fence board component diagram.

Appended drawing reference: 1- upper bed-plate；11- alternative expression PBU pushbutton unit；111- button；112- turntable；113- mandril；114- One spring；12- upper bed-plate upper housing；13- locking system；131- locking clamping plate；The second through-hole of 1311-；132- First Transition wheel； 133- second spring；134- locking sleeve；1341- double-layer gear；1342- third through-hole；14- upper bed-plate lower case；141- One through-hole；2- lower bottom base；21- lower bottom base upper housing；211- fourth hole；22- telescopic device；221- extension sleeve；2211- Aperture；222- third spring；The second transition wheel of 223-；224- mounting plate；The 6th through-hole of 2241-；225- expansion plate；2251- ring Shape sliding rail；2252- wheel place position；23- wheel；24- upper bed-plate lower case；241- fifth hole；25- the second alternative expression button Device；The second button of 251-；The second turntable of 252-；The second mandril of 253-；The 4th spring of 254-；26- the second locking clamping plate；261- 7th through-hole；The first fence board of 3-；The second fence board of 4-；5- fence axis.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.The utility model provides one Kind upper bed-plate, including upper bed-plate upper housing 12, locking system 13 and upper bed-plate lower case 14, in which: the upper bed-plate upper housing 12 lids close in the upper bed-plate lower case 14, and the first cavity of internal formation, the locking system 13 are arranged described first In cavity；It is set on 14 bottom surface of upper bed-plate lower case there are two first through hole 141, the first through hole 141 is enclosed for installing The upper end of column axis；The locking system 13 is for locking rotation angle of the fence axis relative to the first through hole 141.

In use, the upper end of two adjacent fence axis is separately mounted to two first through hole of the same upper bed-plate In 141, after selecting suitable rotation angle, the upper bed-plate is locked to by suitable position by the locking system 13；Pass through The fence axis installation of the upper bed-plate connection is firm not to shake, and the relative rotation position of the upper bed-plate and the fence axis can Selection any angle is locked, and locks firm be unlikely to deform.

Optionally embodiment further includes alternative expression PBU pushbutton unit 11, in which: the alternative expression PBU pushbutton unit 11 is set It sets in first cavity, the upper end of the alternative expression PBU pushbutton unit 11 passes through the upper bed-plate upper housing 12, the alternating The lower end of formula PBU pushbutton unit 11 offsets with the locking system 13；The alternative expression PBU pushbutton unit 11 limits the lock by pressing The relative position of locking apparatus 13 and then locking and the unlatching for controlling the locking system 13.

As optional embodiment, the alternative expression PBU pushbutton unit 11 includes button 111, turntable 112,113 and of mandril First spring 114, the button 111, the turntable 112 and the mandril 113 are sequentially connected, the top of the locking clamping plate 131 Positioning column is provided on face, one end of first spring 114 is set on the positioning column, and the other end and the mandril 113 offset；The upper bed-plate upper housing 12 is provided with button installing hole, and the inner wall of the button installing hole is equipped with groove, described The outer wall of turntable 112 is provided with the first protrusion, and the outer wall of the mandril 113 is provided with the second protrusion, the button 111 Be internally provided with top pillar, when the locking system 13 is unlocked, first protrusion is placed in the groove, the top pillar with The mandril 113 separates, and the locking clamping plate 131 is in upper limit position, and when push button 111 for the first time, the top pillar is pushed 113 slide downward of mandril pushes 131 slide downward of locking clamping plate by first spring 114 in turn, at this time institute The rotation of turntable 112 is stated, when first protrusion is detached from the groove and is clamped with second protrusion, the locking folder Plate 131 is in lower position, continues push button 111, first protrusion and second protrusion are in first bullet It is detached under the action of spring 114, first protrusion is repositioned in the groove；The alternative expression PBU pushbutton unit 11 can pass through Pressing operation alternative expression positions the locking clamping plate 131 to upper limit position and lower position, to complete locking system 13 Locking and unlatching, structure is simple, easy to operate, significant effect.

Optionally embodiment, the locking system 13 include locking clamping plate 131, second spring 133, First Transition Wheel 132 and two locking sleeves 134, in which: the upper surface of the locking clamping plate 131 and 11 phase of alternative expression PBU pushbutton unit It supports, and lower end surface offsets with the second spring 133, there are two the second through-hole 1311, institutes for setting on the locking clamping plate 131 The circle of inner wall surrounding one for stating the second through-hole 1311 is provided with internal tooth；The second spring 133 is arranged in the upper bed-plate lower case On 14；The upper end of the locking sleeve 134 passes through second through-hole 1311, and the lower end of the locking sleeve 134 is provided with double Layer gear 1341, when locking the fence axis relative position, lower layer's gear of the double-layer gear 1341 is logical with described second Internal tooth inside hole 1311 is meshed；Third through-hole 1342 is provided on the top surface of the locking sleeve 134, described first is logical Hole 141 and the third through-hole 1342 form the first passage being inserted into for the upper end of the fence axis, the locking sleeve 134 It is rotated synchronously with the fence axis；The First Transition wheel 132 is arranged between two locking sleeves 134, and described first Transition wheel 132 is meshed with lower layer's gear of two double-layer gears 1341 respectively, and the setting of First Transition wheel 132 exists In the upper bed-plate lower case 14, the First Transition wheel 132 is two, and the transmission ratio of two First Transition wheels 132 Identical, two locking sleeves 134 rotate towards each other under the action of two First Transition wheel 132, make adjacent two The fence axis is more laborsaving in the operating process opened or folded, more convenient.

The lower end flank of tooth of optionally embodiment, the internal tooth of second through-hole 1311 is disposed as inclined-plane, described The gear teeth of the upper layer gear of double-layer gear 1341 and the inclined-plane of the internal tooth lower end of second through-hole 1311 offset, the double-layered tooth Wheel 1341 upper layer gear and lower layer's gear can with the interior tooth engagement of second through-hole 1311, with guarantee locking institute When stating fence axis relative position, lower layer's gear of the double-layer gear 1341 is engaged with the smooth of the internal tooth；The double-layered tooth The increment of the upper layer gear teeth of wheel 1341 is provided with arc surface or inclined-plane, in the state that the locking system 13 is unlocked, institute The inclined-plane of the increment and the internal tooth lower end of second through-hole 1311 of stating upper layer gear offsets, in the process for entering lockup state In, the increment of the upper layer gear teeth of the double-layer gear 1341 and the internal tooth of second through-hole 1311 are adjusted automatically, always The internal tooth of the lower layer's gear that ensure that the double-layer gear 1341 and second through-hole 1311 is suitable when carrying out locking operation Benefit engagement efficiently reduces the touching abrasion generated between gear in engagement process.

The utility model provides a kind of lower bottom base, including lower bottom base upper housing 21, telescopic device 22, wheel 23 and under Pedestal lower case 24, in which: the lower bottom base upper housing 21 lid closes in the lower bottom base lower case 24, and internal forms the Two cavitys, the telescopic device 22 are connected with the wheel 23 and are arranged in second cavity；The lower bottom base upper housing There are two fourth holes 211 for setting on 21 top surface；The fourth hole 211 is used to install the lower end of fence axis；It is described flexible Device 22 is used to control the stretching and withdrawal of the wheel 23.

In use, the lower end of two adjacent fence axis is separately mounted to two the described 4th of the same lower bottom base On through-hole 211, in the state that the fence axis fully opens, the telescopic device 22 controls the wheel 23 and is retracted to second In cavity, prevent the lower bottom base from sliding, when needing mobile, the telescopic device 22 controls the stretching of the wheel 23；It is logical Cross lower bottom base connection the fence axis, installation fastening does not shake, the telescopic device 22 can control wheel 23 withdrawal and It stretches out, storage easy to remove is easy to carry.

Optionally embodiment, the telescopic device 22 include two extension sleeves 221, third spring 222, peace Loading board 224, the second transition wheel 223 and expansion plate 225, in which: the mounting plate 224 is fixed in second cavity, There are two the 6th through-holes 2241 for the setting of mounting plate 224；The extension sleeve 221 sequentially passes through 2241 He of the 6th through-hole It is connected after the expansion plate 225 with the third spring 222, the extension sleeve 221 can be in the 6th through-hole 2241 Rotation；Aperture 2211, the aperture 2211 and the fourth hole are provided on the top surface of two extension sleeves 221 211 form the second channel for installing fence axis lower end, and the extension sleeve 221 is rotated synchronously with the fence axis； Second transition wheel 223 is arranged on the mounting plate 224 and is located between two extension sleeves 221, described flexible The outer wall on 221 top of sleeve is provided with external tooth, second transition wheel 223 external tooth with two extension sleeves 221 respectively It is meshed；The upper end of the third spring 222 is sleeved on the lower part of the extension sleeve 221, and with the expansion plate 225 Bottom surface offsets, and the lower end of the third spring 222 offsets with the lower bottom base lower case 24, and the third spring 222 is for pushing away Out and retract the expansion plate 225；The lower end surface of the expansion plate 225 is provided with wheel place position 2252, under the lower bottom base Fifth hole 241 is provided on shell 24, a part of the wheel 23 is arranged in the wheel place position 2252, described Wheel 23 can pass through the upper and lower flexible along the fifth hole 241 stretching and withdrawal of the expansion plate 225.

Optionally embodiment, is provided with sliding block on the outer wall of the extension sleeve 221, on the expansion plate 225 It is provided with endless glide 2251, in which: the downside of 221 external tooth of extension sleeve is arranged in the sliding block, and the sliding block is placed in In the endless glide 2251, and the sliding block can slide in the endless glide 2251；2251 bottom of endless glide Portion rounds to form wavy fluctuating, and the expansion plate 225 can stretch up and down with the sliding of the sliding block；It uses When, the lower bottom base is installed on the lower end of fence axis, and when fence axis fully opens, the sliding block is placed in the ring of waveform fluctuating The minimum point of shape sliding rail 2251, the wheel 23 are accommodated in completely in the wheel place position 2252, and the lower bottom base is placed steady Gu the wheel 23 is with folding angles when the adjacent fence axis is folded, and when folding angles are more than 90 degree Increase, gradually stretch out, when folding completely, the sliding block is located at the highest point of the endless glide 2251 of waveform fluctuating, institute Wheel 23 is stated to be completely pushed out of, it is easy to remove.

Optionally embodiment, the wheel 23 are steel ball, and a part of the steel ball is placed in the wheel and places In storehouse 2252, with sliding of the sliding block in the endless glide 2251, the expansion plate 225 is slided up and down, thus extremely It is slided up and down in the wheel place position 2252 being arranged in below the expansion plate 225, drives the steel ball from the described 5th It stretches out and withdraws in through-hole 241, the steel ball can roll in the wheel place position 2252；Structure is simple, significant effect.

Optionally embodiment, the top of the extension sleeve 221 are provided with 25 He of the second alternative expression PBU pushbutton unit Second locking clamping plate 26, in which: the second alternative expression PBU pushbutton unit 25 is arranged in second cavity, second alternating The upper end of formula PBU pushbutton unit 25 pass through the lower bottom base upper housing 21, the lower end of the second alternative expression PBU pushbutton unit 25 with it is described Second locking clamping plate 26 offsets；There are two the 7th through-hole 261, the 7th through-holes 261 for setting on the second locking clamping plate 26 Inside round and be provided with internal tooth, the external tooth of the extension sleeve 221 is double-layered tooth, interior in the 7th through-hole 261 Tooth is equipped with inclined-plane, and the upper layer tooth of the double-layered tooth offsets with the internal tooth in the 7th through-hole 261, is locking the fence axis When rotational angle, lower layer's tooth of the double-layered tooth is meshed with the internal tooth in the 7th through-hole 261；The lower bottom base was both convenient for It is mobile to carry, and the rotation angle of the fence axis can be locked.

The utility model provides a kind of fence connector, including the upper bed-plate 1 and the lower bottom base 2, the upper bottom Seat 1 and the lower bottom base 2 are for installing fence axis；The upper bed-plate 1 and the lower bottom base 2 can be same about the fence axis Step rotation.

In use, the upper bed-plate 1 and the lower bottom base 2 cooperate and are separately mounted to the top and bottom of fence axis, Keep the fence axis more steady under the premise of fastening is installed, the upper bed-plate 1 and the lower bottom base 2 can be enclosed about described Column axis rotates synchronously, and opens the two neighboring fence axis connected by the fence connector more convenient fast with folding process It is prompt.

The utility model provides a kind of fence system, including at least two pieces of fence boards and at least a set of fence connect Connect device, in which: the upper and lower ends of the fence board two sides are provided with fence axis 5；The upper end fence axis of two pieces of fence boards It is connected by the upper bed-plate 1；The lower end fence axis of two pieces of fence boards is connected by the lower bottom base 2.

In use, the fence board successively joins end to end under the action of the fence connector and forms fence, it is described Fence board can surround different shapes according to different demands, and after locking relative position, the shape of the fence board is not easy to send out Change shape, and the carrying easy to remove when folding.

Optionally embodiment, the cross-sectional shape of the fence axis 5 are polygon, the third through-hole 1342 Shape is matched with the shape of the fence axis 5；The shape of the aperture 2211 is matched with the shape of the fence axis 5, institute Locking sleeve 134, the fence axis 5 and the extension sleeve 221 is stated to rotate synchronously always；Preferably, the fence axis 5 Cross-sectional shape is octagon；Keep the fence system more convenient during opening or folding, prevents described The generation of the sliding phenomenon in the course of rotation of fence axis 5, make operation more it is steady effectively.

Optionally embodiment, the fence board include the first fence board 3 and the second fence board 4, and described first encloses Breast board 3 is provided with handle and door, and the handle is used for folded carrying, and the door is for passing in and out.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (10)

1. a kind of upper bed-plate, which is characterized in that including upper bed-plate upper housing (12), locking system (13) and upper bed-plate lower case (14), in which:

Upper bed-plate upper housing (12) lid closes on the upper bed-plate lower case (14), and the first cavity of internal formation, described Locking system (13) is arranged in first cavity；

It is set on upper bed-plate lower case (14) bottom surface there are two first through hole (141), the first through hole (141) is used to install The upper end of fence axis；

The locking system (13) is for locking rotation angle of the fence axis relative to the first through hole (141).

2. upper bed-plate according to claim 1, which is characterized in that further include alternative expression PBU pushbutton unit (11), in which:

The alternative expression PBU pushbutton unit (11) is arranged in first cavity, and the upper end of the alternative expression PBU pushbutton unit (11) is worn The upper bed-plate upper housing (12) is crossed, lower end and the locking system (13) of the alternative expression PBU pushbutton unit (11) offset；

The alternative expression PBU pushbutton unit (11) is limited described in the relative position control of the locking system (13) by pressing The locking of locking system (13) and unlatching.

3. upper bed-plate according to claim 2, which is characterized in that the locking system (13) include locking clamping plate (131), Second spring (133), First Transition wheel (132) and two locking sleeves (134), in which:

The upper surface of the locking clamping plate (131) offsets with the alternative expression PBU pushbutton unit (11), and lower end surface and described second Spring (133) offsets, and there are two the second through-hole (1311), second through-holes (1311) for setting on the locking clamping plate (131) Inner wall surrounding one circle be provided with internal tooth；

The second spring (133) is arranged on the upper bed-plate lower case (14)；

The upper end of the locking sleeve (134) passes through second through-hole (1311), and the lower end of the locking sleeve (134) is set Be equipped with double-layer gear (1341), when locking the fence axis relative position, lower layer's gear of the double-layer gear (1341) with The internal internal tooth of second through-hole (1311) is meshed；

It is provided with third through-hole (1342) on the top surface of the locking sleeve (134), the first through hole (141) and the third Through-hole (1342) forms the first passage being inserted into for the upper end of the fence axis, the locking sleeve (134) and the fence Axis rotates synchronously；

The First Transition wheel (132) is arranged between two locking sleeves (134), the First Transition wheel (132) point It is not meshed with lower layer's gear of two double-layer gears (1341), the First Transition wheel (132) is arranged at the upper bottom In seat lower case (14).

4. upper bed-plate according to claim 3, which is characterized in that the lower end flank of tooth of the internal tooth of second through-hole (1311) It is disposed as inclined-plane, the internal tooth lower end of the gear teeth of the upper layer gear of the double-layer gear (1341) and second through-hole (1311) Inclined-plane offset, the upper layer gear and lower layer's gear of the double-layer gear (1341) can be with second through-holes (1311) Interior tooth engagement, to guarantee when locking the fence axis relative position, lower layer's gear of the double-layer gear (1341) with it is described The smooth engagement of internal tooth.

5. a kind of lower bottom base, which is characterized in that including lower bottom base upper housing (21), telescopic device (22), wheel (23) and bottom Seat lower case (24), in which:

Lower bottom base upper housing (21) lid closes on the lower bottom base lower case (24), and the second cavity of internal formation, described Telescopic device (22) is connected with the wheel (23) and is arranged in second cavity；

There are two fourth hole (211) for setting on the top surface of the lower bottom base upper housing (21)；The fourth hole (211) is used for The lower end of fence axis is installed；

The telescopic device (22) is used to control the stretching and withdrawal of the wheel (23).

6. lower bottom base according to claim 5, which is characterized in that the telescopic device (22) includes two extension sleeves (221), third spring (222), mounting plate (224), the second transition wheel (223) and expansion plate (225), in which:

The mounting plate (224) is fixed in second cavity, and there are two the 6th through-holes for mounting plate (224) setting (2241)；

The extension sleeve (221) sequentially pass through the 6th through-hole (2241) and the expansion plate (225) afterwards with the third Spring (222) is connected, and the extension sleeve (221) being capable of the rotation in the 6th through-hole (2241)；

It is provided with aperture (2211) on the top surface of two extension sleeves (221), the aperture (2211) and the described 4th Through-hole (211) forms the second channel for installing fence axis lower end, and the extension sleeve (221) and the fence axis are same Step rotation；

Second transition wheel (223) be arranged on the mounting plate (224) and be located at two extension sleeves (221) it Between, the outer wall on extension sleeve (221) top is provided with external tooth, second transition wheel (223) respectively with stretched described in two The external tooth of contracting sleeve (221) is meshed；

The upper end of the third spring (222) is sleeved on the lower part of the extension sleeve (221), and with the expansion plate (225) bottom surface offsets, and the lower end of the third spring (222) offsets with the lower bottom base lower case (24), the third bullet Spring (222) is for releasing and retracting the expansion plate (225)；

The lower end surface of the expansion plate (225) is provided with wheel place position (2252), is arranged on the lower bottom base lower case (24) Have fifth hole (241), a part setting of the wheel (23) is in the wheel place position (2252), the wheel (23) The upper and lower flexible along the fifth hole (241) stretching and withdrawal of the expansion plate (225) can be passed through.

7. lower bottom base according to claim 6, which is characterized in that be provided with cunning on the outer wall of the extension sleeve (221) Block is provided with endless glide (2251) on the expansion plate (225), in which:

The sliding block is arranged in the downside of the external tooth of the extension sleeve (221), and the sliding block is placed in the endless glide (2251) in, and the sliding block being capable of the sliding in the endless glide (2251)；

Endless glide (2251) bottom rounds to form wavy fluctuating, and the expansion plate (225) is with the cunning The sliding of block can stretch up and down.

8. lower bottom base according to claim 7, which is characterized in that the top of the extension sleeve (221) is provided with Two alternative expression PBU pushbutton units (25) and the second locking clamping plate (26), in which:

The second alternative expression PBU pushbutton unit (25) is arranged in second cavity, the second alternative expression PBU pushbutton unit (25) Upper end pass through the lower bottom base upper housing (21), the lower end of the second alternative expression PBU pushbutton unit (25) and second locking Clamping plate (26) offsets；

Setting is there are two the 7th through-hole (261) on the second locking clamping plate (26), the inner loop of the 7th through-hole (261) around It is provided within one week internal tooth, the external tooth of the extension sleeve (221) is double-layered tooth, and the internal tooth in the 7th through-hole (261) is equipped with Inclined-plane, the upper layer tooth of the double-layered tooth offset with the internal tooth in the 7th through-hole (261), in the rotation for locking the fence axis When angle, lower layer's tooth of the double-layered tooth is meshed with the internal tooth in the 7th through-hole (261).

9. a kind of fence connector, which is characterized in that including upper bed-plate (1) described in any one of claim 1-4 and power Benefit requires lower bottom base described in any one of 5-8 (2), and the upper bed-plate (1) and the lower bottom base (2) are for installing fence Axis；

The upper bed-plate (1) and the lower bottom base (2) can be rotated synchronously about the fence axis.

10. a kind of fence system, which is characterized in that including at least two pieces of fence boards and at least a set of as claimed in claim 9 Fence connector, in which:

The upper and lower ends of the fence board two sides are provided with fence axis (5)；

The upper end fence axis (5) of two pieces of fence boards is connected by the upper bed-plate (1)；

The lower end fence axis (5) of two pieces of fence boards is connected by the lower bottom base (2).