CN204797318U - Foldable bedstead of crib - Google Patents
Foldable bedstead of crib Download PDFInfo
- Publication number
- CN204797318U CN204797318U CN201520330274.7U CN201520330274U CN204797318U CN 204797318 U CN204797318 U CN 204797318U CN 201520330274 U CN201520330274 U CN 201520330274U CN 204797318 U CN204797318 U CN 204797318U
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- pulley
- mobile base
- linkage
- unit
- pedestal
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Abstract
The utility model discloses a foldable bedstead of crib, including a pulling apparatus who has four group's racks, pulling apparatus establishes in support frame subassembly bottom, the support frame subassembly including the side support element and last support element, set up the aggregate unit who has 1 the 1st linkage unit and 1 the 2nd linkage unit between side support element and the pulling apparatus, a linkage unit is controlled by pulling apparatus, the synchronous linkage of the 2nd linkage unit and a linkage unit, the 2nd linkage unit establish the side on the support element and with adjacent two go up support element and hinge, be used for shoring, the crooked folding support element that goes up, when pulling apparatus is up spurred and is driven a linkage unit and is drawn in towards the pulling apparatus's of central authorities orientation with side support element, the synchronous linkage of the 2nd linkage unit and a linkage unit, it is crooked folding that the 2nd linkage unit then spurs support element smoothly, make the utility model discloses have quick, smooth and easy characteristics when folding up or expand, and safe and reliable.
Description
[technical field]
The utility model relates to infanette, especially has folding, launches the folding type bed frame of smooth and easy and safe and reliable infanette.
[background technology]
The folding type bed frame of existing infanette, comprise a lower supporting assembly, supporting component on side supporting component and, lower supporting assembly has a lift unit and four groups of lower support unit, lift unit has a holder and a Mobile base, Mobile base is located on holder movably, lower support unit is then hubbed at lift unit, each lower support unit has a upper boom and a lower beam, upper boom is positioningly hubbed at holder, and one end of upper boom is connected to Mobile base, lower beam is positioned at the below of upper boom and is parallel to upper boom, one end of lower beam is articulated in holder, collateral support component and lower supporting assembly pivot joint, collateral support component has four groups of side support units, side support unit connects lower support unit respectively, each side support unit has the side lever of a hollow, one lower connecting base, one upper connecting base and a STATEMENT OF FEDERALLY SPONSORED, lower connecting base is fixedly arranged on the bottom of side lever, and the upper boom of the lower support unit of correspondence and lower beam are articulated in lower connecting base, upper connecting base is fixedly arranged on the top of this side lever, the bottom of STATEMENT OF FEDERALLY SPONSORED connects with corresponding upper boom, and the top of gangbar is arranged in upper connecting base by side lever, upper supporting component and collateral support component pivot joint, upper supporting component has most upper arm, upper arm is with corresponding upper connecting base pivot joint and connect the top of corresponding STATEMENT OF FEDERALLY SPONSORED.
When said structure carries out folding, user can pull the Mobile base of lift unit, the movement of Mobile base can drive the upper boom of each support unit to rotate, then lower beam rotates, the upper boom rotated and lower beam drive side support unit to draw in, and the upper boom rotated drives STATEMENT OF FEDERALLY SPONSORED, STATEMENT OF FEDERALLY SPONSORED is allowed to drive the upper arm of upper supporting component to rotate and folding.But, in folding process, upper boom on each lower support unit is driven by the Mobile base of correspondence and rotates, lower beam just rotates after upper boom rotates, so the rotational hysteresis of upper boom in each lower support unit is in the rotation of lower beam, cause the problem that folding has some setbacks, upon deployment, there is the puzzlement that expansion has some setbacks equally simultaneously.
Namely the utility model is researched and proposed for the deficiencies in the prior art.
[utility model content]
The technical problems to be solved in the utility model is to provide a kind of folding type bed frame of infanette, by ingehious design, adopts synchronous interaction, the utility model is had safe and reliable, and can fast, the feature of folding or expansion swimmingly.
For solving the problems of the technologies described above, the folding type bed frame of a kind of infanette of the utility model, comprising:
One bracket assembly, support frame as described above assembly comprises four side support units vertically arranged and four edges are horizontally disposed with and flexible folding upper support unit, and the two ends of described upper support unit are articulated in two adjacent side support units respectively;
One pulling apparatus, described pulling apparatus is located at the bottom of bracket assembly, is provided with four groups of tooth bars in described pulling apparatus; And
Four-axle linkage device, described linkage is located between pulling apparatus and side support unit, and described linkage upper end and upper support unit hinged;
Linkage described in each comprises the first linkage unit and the second linkage unit, the two ends of described first linkage unit are articulated between support unit lower end, side and pulling apparatus respectively, pulley linkage unit is provided with in described first linkage unit, described first linkage unit and pulling apparatus pivot joint one end be provided with for tooth bar meshed gears portion, described second linkage unit is located on the support unit of side, described second linkage unit upper end and two adjacent upper support units hinged, support unit lower end, described side be provided with can opposite side support unit rotate rotation seat, described second linkage unit lower end and rotation seat connect and can rotate with rotation seat and do to make with support unit that upper support unit is corresponding to fold or launch.
Described pulling apparatus comprises the first pedestal and to be located in the first pedestal and can the second pedestal of moving up and down of relative first pedestal, one is provided with for holding the accommodation space of the second pedestal in described first pedestal, the lateral surface of described first pedestal be provided with four to four corresponding breach be connected of linkage, the top of described second pedestal is provided with a carrying handle, on the lateral surface that described tooth bar is fixed at the second pedestal and correspondence towards the breach on the first pedestal, described first linkage unit one end and the first pedestal pivot joint, described gear part stretches into corresponding breach and engages with corresponding tooth bar.
The lateral surface of described first pedestal is provided with two locating holes be communicated with accommodation space, described pulling apparatus also comprises two reset units be located on the second pedestal lateral surface, described carrying handle two ends are connected with two reset units respectively, reset unit described in each comprises one can the reset seat of vertically movement, one first locating dowel, one first return unit, one second locating dowel and one second return unit, described reset seat is provided with one first elongated slot, one second elongated slot and one first inclined-plane, described second elongated slot and the first inclined-plane are positioned at the below of the first elongated slot, described first locating dowel is fixedly connected on the second pedestal and first locating dowel one end is inserted in the first elongated slot, described first return unit is arranged in reset seat and the upper and lower side of the first return unit is connected to the first locating dowel and reset seat respectively, described second locating dowel can be located on the second pedestal and one end of the second locating dowel and runs through the second elongated slot and insert in locating hole with moving horizontally, described second locating dowel is provided with one second inclined-plane, described second inclined-plane is connected to the first inclined-plane, described second return unit is located in the second locating dowel and the two ends of the second return unit and is connected to the second locating dowel and the second pedestal respectively.
Described pulley linkage unit comprises one first pulley, one second pulley, one first rope and one second rope, described first pulley is fixedly connected with pulling apparatus, described first pulley coaxially connects with gear part and gear part can relative first pulley rotation, described second pulley is fixedly connected on the runners of support unit lower end, side, described second pulley coaxially connects with rotation seat and rotation seat can relative second pulley rotation, described first rope ends is connected with the first pulley and the second pulley respectively, the two ends of described second rope are connected with the first pulley and the second pulley respectively.
Described gear part is provided with arc groove and an a positioning rod, and described backstay end is fixedly connected with pulling apparatus, and described backstay is through arc groove and the first pulley and can slide along arc groove.
Described in each, the first linkage unit comprises a bottom bar, and described bottom bar two ends are fixedly connected with rotation seat with gear part respectively.
First linkage unit described in each also comprises and to be located in bottom bar and respectively near the first jockey pulley and second jockey pulley of the first pulley and the second pulley, described first rope and the second rope are walked around the first jockey pulley with one end and are be connected with the first pulley after X-type cross, and described first rope is walked around the second jockey pulley with the second rope other end and is be connected with the second pulley after X-type cross.
Side support unit described in each is longitudinally provided with a guide groove, second linkage unit described in each comprises one first Mobile base, one second Mobile base, one fixed block, one elastic component, two connecting rods and a linkage piece, described first Mobile base and the second Mobile base are slidably connected on corresponding side support unit, described second Mobile base is vertically provided with a shifting chute, described fixed block side to snap in shifting chute and can slide by relative movement groove, described fixed block opposite side is fixedly connected with the first Mobile base, described elastic component is located in the first Mobile base and the upper and lower two ends of elastic component are connected to the first Mobile base and the second Mobile base respectively, described elastic component is positioned at above fixed block, connecting rod lower end described in two and the second Mobile base hinged, small end described in two is articulated with support unit on corresponding two respectively, described linkage piece is placed in the guide groove on the support unit of side, the upper and lower two ends of described linkage piece are fixedly connected with rotation seat with the first Mobile base respectively, when rotation seat is rotated, linkage piece drives the first Mobile base toward drop-down or up push up, and then drive the second Mobile base again, the corresponding folding of upper support unit or expansion is made by connecting rod.
Compared with prior art, the folding type bed frame of a kind of infanette of the utility model, user can pull pulling apparatus, produce displacement up with making on it four groups of rack synchronous, and drive the first linkage unit and side support unit to draw in towards the direction of the pulling apparatus being positioned at central authorities, pull upper support unit by the first linkage unit and the second linkage unit simultaneously, make support unit bending fold, by the pulley linkage unit that arranges in the first linkage unit possess effect of link balance, side support unit in the utility model folding or expansion process is made to be approximately perpendicular to ground all the time, ensure that it can fast and folding or expansion swimmingly.
[accompanying drawing explanation]
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is the perspective exploded view of pulling apparatus in the utility model.
Fig. 3 is top view of the present utility model.
Fig. 4 is the generalized section of Fig. 3 along 4-4 face line.
Fig. 5 is the generalized section of Fig. 3 along 5-5 face line.
Fig. 6 is the close-up schematic view of Fig. 5.
Fig. 7 is the close-up schematic view that in the utility model, side support unit is connected with linkage.
Fig. 8 is the generalized section of Fig. 7.
Fig. 9 is the perspective exploded view of the second linkage unit in the utility model.
Figure 10 is the generalized section of the second linkage unit in the utility model.
Figure 11 is front view of the present utility model.
Figure 12 is pulling apparatus illustrative view in the utility model.
Figure 13 is the generalized section that in the utility model, pulling apparatus drives the first linkage unit.
Figure 14 is the schematic perspective view of the utility model middle pulley linkage unit.
Figure 15 is the generalized section that in the utility model, the first linkage unit drives linkage piece.
Figure 16 is the illustrative view that in the utility model, the second linkage unit drives upper support unit.
Figure 17 is the schematic perspective view after the utility model folding.
[detailed description of the invention]
As shown in figures 1 and 3, be a kind of preferred embodiment of the present utility model, comprise pulling apparatus 10, bracket assembly 20 and four-axle linkage device 30 that one has four groups of tooth bars 11.
Pulling apparatus 10 is located at centre position bottom bracket assembly 20, bracket assembly 20 comprises four side support units 21 and four flexible folding upper support units 22, four-axle linkage device 30 is corresponding to be connected between four side support units 21 and pulling apparatus 10, the two ends of upper support unit 22 are articulated in two adjacent side support units 21 respectively, support frame as described above assembly 20 also comprises two lower support bars 23, two lower support bar 23 one end are articulated in pulling apparatus 10, and on each, support unit 22 comprises two mutual pivot joints and flexible folding upper support bar 24.
The two ends that each linkage 30 comprises one first linkage unit 31 and one second linkage unit 32, first linkage unit 31 are articulated between side support unit 21 lower end and pulling apparatus 10 respectively; As shown in Fig. 2, Fig. 5, Fig. 6, one end of first linkage unit 31 is provided with gear part 33, gear part 33 engages with the tooth bar 11 be located on pulling apparatus 10, pulley linkage unit 34 is provided with in first linkage unit 31, as shown in Figure 1, the second linkage unit 32 is located on corresponding side support unit 21, and links with the rotation seat 35 being located at side support unit 21 bottom is fixing, rotation seat 35 can rotate by opposite side support unit 21, moves up and down to drive the second linkage unit 32 opposite side support unit 21.When rotation seat 35 rotates, namely drive the second linkage unit 32 to pull down support unit 22, make upper support bar 24 bending fold in support unit 22, and then folding bedstead; Or drive the second dynamic assembly 32 upwards to push to support unit 22, the upper support bar 24 in support unit 22 is launched, and then bedstead is launched.
As Fig. 2, Fig. 5, shown in Fig. 6, pulling apparatus 10 comprises one first pedestal 12 and one second pedestal 13, an opening up accommodation space 14 is formed in first pedestal 12, the lateral surface of the first pedestal 12 is provided with four breach 15 be communicated with accommodation space 14, second pedestal 13 can be arranged in the accommodation space 14 of the first pedestal 12 by relative first pedestal 12 up and down, the top of the second pedestal 13 is provided with a carrying handle 16, described tooth bar 11 is fixed at the lateral surface of the second pedestal 13, and correspondence is towards the breach 15 on the first pedestal 12, first linkage unit 31 one end and the first pedestal 12 pivot joint, the gear part 33 of the first linkage unit 31 stretches into corresponding breach 15 and engages with corresponding tooth bar 11.
As Fig. 2, shown in Fig. 4, the lateral surface of the first pedestal 12 is provided with two locating holes 17 be communicated with accommodation space 14, pulling apparatus 10 also comprises two reset units 40 be located on the second pedestal 13 lateral surface, carrying handle 16 two ends are connected with two reset units 40 respectively, each reset unit 40 comprises one can the reset seat 41 of vertically movement, one first locating dowel 42, one first return unit 43, one second locating dowel 44 and one second return unit 45, described reset seat 41 is provided with one first elongated slot 46, one second elongated slot 47 and one first inclined-plane 48, described second elongated slot 47 and the first inclined-plane 48 are positioned at the below of the first elongated slot 46, described first locating dowel 42 is fixedly connected on the second pedestal 13 and first locating dowel 42 one end is inserted in the first elongated slot 46, can slide up and down by relative first elongated slot 46, first return unit 43 is arranged in reset seat 41 and the two ends up and down of the first return unit 43 are connected to the first locating dowel 42 and reset seat 41 respectively, described second locating dowel 44 can be located on the second pedestal 13 with moving horizontally, and one end of the second locating dowel 44 is run through the second elongated slot 47 and is inserted in locating hole 17, described second locating dowel 44 is provided with one second inclined-plane 49, second inclined-plane 49 is connected to the first inclined-plane 48, second return unit 45 is located in the second locating dowel 44 and two ends of the second return unit 45 and is connected to the second locating dowel 44 and the second pedestal 13 respectively.When upwards lifting carrying handle 16, first inclined-plane 48 upwardly the second inclined-plane 49 time, produce a horizontal applied force, relative second pedestal 13 of second locating dowel 44 is inwardly slided, and elastic compression second return unit 45, the end of the second locating dowel 44 is extracted in locating hole 17 the most at last, reaches the locking action of releasing second pedestal 13, now, continue upwards to lift carrying handle 16, second pedestal 13 and the first pedestal 12 all move upward, gear part 33 drives with the tooth bar 11 of up movement and rotates, the corresponding inclination start in bottom bar 36 two ends simultaneously, make the corresponding pivot on it of rotation seat 35 and rotate, rotation seat 35 and then the corresponding start of drive linkage piece 326, bottom bar 36 end respective action first rope 343 and the second rope 344, as shown in Figure 5, when rotation seat 35 rotates, bottom bar 36 one end medial roof presses A position in the first rope 343, make it counterclockwise to be wound on the second pulley 342, therefore make first rope 343 at A position in tension gradually, in second rope 344, B position is then to depart from gradually in the second pulley 342 clockwise, therefore second rope 344 at B position is in relaxation state gradually, relative, second rope 344 at C position is in tension gradually, first rope 343 at D position is in the state loosened gradually, therefore, a counteracting forces put is received in the corresponding formation one in two ends of the first rope 343 and the second rope 344, counteracting forces by this, effectively guarantees that side support unit 21 carries out the action of folding all the time with near vertical surface variant.
First linkage unit 31 other end drives rotation seat 35 opposite side support unit 21 to rotate, and pull side support unit 21 to draw close to pulling apparatus 10, in this process, engaged with four corresponding gear part 33 by four tooth bars 11 be fixed on the second pedestal 13, relative first pedestal 12 of second pedestal 13 is moved upward, and realize 4 first linkage unit 31 synchronous axial system, and tilt to pull four side support units 21 synchronously to draw close to pulling apparatus 10.
As Fig. 5 to Fig. 8, pulley linkage unit 34 comprises one first pulley 341, one second pulley 342, one first rope 343 and one second rope 344, first pulley 341 is fixedly connected on pulling apparatus 10, namely be fixedly connected with the first pedestal 12 in pulling apparatus 10, first pulley 341 and gear part 33 be coaxial to be connected and gear part 33 can be rotated relative to the first pulley 341, second pulley 342 is fixedly connected on the runners 39 of side support unit 21 lower end, second pulley 342 and rotation seat 35 be coaxial to be connected and rotation seat 35 can rotate relative to the second pulley 342, first rope 343 two ends are connected with the first pulley 341 and the second pulley 342 respectively, the two ends of the second rope 344 are connected with the first pulley 341 and the second pulley 342 respectively.
As Fig. 2, shown in Fig. 6, each gear part 33 is provided with a through arc groove 331 and a positioning rod 332, arc groove 331 is concentric with the first pulley 341, first pulley 341 embeds coaxial in gear part 33 connection, first pulley 341 is provided with a locating hole 3411 corresponding with arc groove 331, backstay 332 is through arc groove 331 and locating hole 3411, and backstay 332 two ends are fixedly connected with the breach 15 on the first pedestal 12, when gear part 33 is rotated, arc groove 331 relative positioning bars 332 slide, first pulley 341 is fixedly connected with the first pedestal 12 by backstay 332, the angle of rotating with limiting gear portion 33 is coordinated by arc groove 331 and backstay 332, and the central angle of angle corresponding to arc groove 331 that gear part 33 is rotated.
1. as shown in Figure 5, each first linkage unit 31 comprises a bottom bar 36, bottom bar 36 two ends are fixedly connected with rotation seat 35 with gear part 33 respectively, first linkage unit 31 described in each also comprises and to be located in bottom bar 36 and respectively near the first jockey pulley 37 and the second jockey pulley 38 of the first pulley 341 and the second pulley 342, described first rope 343 is walked around the first jockey pulley 37 with second rope 344 one end and is connected with the first pulley 341, and described first rope 343 is walked around the second pulley 342 with second rope 344 other end and is connected with the second pulley 342 with the second jockey pulley 38.
2. as shown in Figure 7 and Figure 8, rotation seat 35 is be arranged in a runners 39, runners 39 respectively extends a ring portion 391 towards the both sides, front and back in bottom bar 36 direction, ring portion 391 is provided with ring portion square hole, the body 351 of another rotation seat 35 is be positioned at runners 39 inner upper end place, it extends a support portion 352 towards rear side is each before corresponding ring portion 391 place, bottom bar 36 direction, support portion 352 is provided with circular hole, and be extended with the joining rod 353 for being connected with bottom bar 36 again in support portion 352 towards bottom bar 36 direction, namely space between two support portions 352 arranges the second pulley 342, square hole 3421 is formed centrally among the second pulley 342, during installation, the each sheathed enclosing cover 392 in side before and after runners 39, nose bar has been extended to form inside each enclosing cover 392, nose bar kenel is from outside to inside sequentially the square protuberance corresponding with ring portion square hole, the cylindrical protrusion corresponding with support portion 352 circular hole, and the square Access Division 393 corresponding with the square hole 3421 on the second pulley 342, as shown in Figure 8, therefore the enclosing cover 392 of current rear side is when being sheathed on runners 39, second pulley 342 and runners 39 are in being fixedly connected with relation, rotation seat 35 rotates centered by nose bar.
As Fig. 9, shown in Figure 10, side support unit 21 described in each is longitudinally provided with a guide groove 25, described in each, the second linkage unit 32 comprises one first Mobile base 321, one second Mobile base 322, one fixed block 323, one elastic component 324, two connecting rod 325 and linkage pieces 326, described first Mobile base 321 and the second Mobile base 322 are slidably connected on corresponding side support unit 21, described second Mobile base 322 is vertically provided with a shifting chute 327, described fixed block 323 side to snap in shifting chute 327 and can slide by relative movement groove 327, described fixed block 323 opposite side is fixedly connected with the first Mobile base 321, described elastic component 324 is located in the first Mobile base 321 and elastic component about 324 two ends are connected to the first Mobile base 321 and the second Mobile base 322 respectively, described elastic component 324 is positioned at above fixed block 323, connecting rod 325 lower end described in two and the second Mobile base 322 hinged, described in two, connecting rod 325 upper end is articulated with support unit 22 on corresponding two respectively, described linkage piece 326 to be placed in guide groove on side support unit 21 25 and can to provide support power, described linkage piece about 326 two ends are fixedly connected with rotation seat 35 with the first Mobile base 321 respectively, when rotation seat 35 is rotated, linkage piece 326 drives the first Mobile base 321 toward drop-down or up push up, and then drive the second Mobile base 322 again, the corresponding folding of upper support unit 22 or expansion is made by connecting rod, linkage piece 326 can adopt flat spring structure, the degree of depth of guide groove 25 is slightly larger than the thickness of linkage piece 326, to ensure that linkage piece 326 is when pushing tow the first Mobile base 321, there is enough rigidity.
As shown in Figure 11, Figure 17, when carrying out folding, user only needs pulling apparatus 10 up to be pulled, the first linkage unit 31 is driven to draw in the direction of side support unit 21 towards the pulling apparatus 10 being positioned at central authorities by pulling apparatus 10, second linkage unit 32 and the first linkage unit 31 synchronous interaction simultaneously, second linkage unit 32 pulls support unit 22, and support unit 22 opposite side support unit 21 is rotated and folding, realizes completing folding action fast and easily; When if desired launching, only need pulling apparatus 10 depress, make the second linkage unit 32 upper end upwards push up support unit 22, make it to launch.
As shown in figure 12, in aforesaid folding type bed frame folding action, the carrying handle 16 of pulling apparatus 10 is by past pull-up, carrying handle 16 drives reset seat 41 to move up, first return unit 43 is compressed, first inclined-plane 48 is corresponding pushes the second inclined-plane 49, the second locating dowel 44 is moved horizontally and departs from the locating hole 17 of the first pedestal 12, and then the second pedestal 13 can be pulled by carrying handle 16 and relative first pedestal 12 moves up.
As shown in FIG. 13 to 15, pulling apparatus 10 is straight up in motion process, one end that bottom bar 36 connects gear part 33 moves upward and rotates around bottom bar 36 other end, gear part 33 is rotated relative to pulling apparatus 10, gear part 33 is by engaging with tooth bar 11 simultaneously, because tooth bar 11 is fixedly connected on the second pedestal 13, relative first pedestal 12 of second pedestal 13 is moved up, four bottom bar 36 synchronization actions, make the other end of four bottom bars 36 pull side support unit 21 to draw in towards center direction simultaneously; When one end of bottom bar 36 connection of rotating seat 35 is rotated, linkage piece 326 lower end is then rotated with rotation seat 35 and is produced elastic deformation and be correspondingly wrapped on rotation seat 35, and then make linkage piece 326 upper end pull the first Mobile base 321 downwards, first Mobile base 321 is downward push-and-pull second Mobile base 322 again, second Mobile base 322 effect connecting rod 325, connecting rod 325 pulls corresponding upper support bar 24 to carry out bending fold.
As shown in figure 16, when the first Mobile base 321 is pulled downwards by linkage piece 326 with fixed block 323, fixed block 323 moves down along the shifting chute 327 of the second Mobile base 322, elastic component 324 is compressed, when the bottom that fixed block 323 moves to shifting chute 327 continues to move down again, second Mobile base 322 block 323 that is fixed promotes and moves down, connecting rod 325 is under the pulling function of the second Mobile base 322, then correspondingly pull the upper support unit 22 be attached thereto, make two upper support bar 24 bending folds, and upper support bar 24 opposite side support unit 21 is rotated and folding.
When the utility model launches, user is to pressing down pulling apparatus 10, bottom bar 36 is made to trend towards level, the gear part 33 of rotating engages the tooth bar 11 be fixed on the second pedestal 13, each side support unit 21 was synchronously then launched outward, when the second locating dowel 44 and locating hole 17 are to time upper, under the elastic reaction of the second return unit 45, second locating dowel 44 one end is then inserted in locating hole 17, and the second pedestal 13 completes and resets and lock linkage 30, in side support unit 21 expansion process, linkage piece 326 is pushing tow first Mobile base 321 upwards, make each support bar 24 synchronous expansion, now, bottom bar 36 two ends are rotated relative to the second pedestal 13 and side support unit 21 respectively, rotation seat 35 and gear part 33 are rotated relative to the second pulley 342 and the first pulley 341 respectively, first rope 343 and the second rope 344 run through bottom bar 36, when bottom bar 36 rotates, bottom bar 36 is connected one end inner side with rotation seat 35 then compresses the second rope 344, make second rope 344 at B position with wound clockwise on the second pulley 342, make second rope 344 at B position in tension gradually, the C position of second rope 344 other end is then to depart from the first pulley 341 gradually clockwise, make second rope 344 at C position in relaxation state gradually, similarly, bottom bar 36 is connected one end inner side with gear part 33 then compresses the first rope 343, make first rope 343 at D position with wound clockwise on the first pulley 3412, make first rope 343 at D position in tension gradually, the A position of first rope 343 other end is then to depart from the second pulley 342 gradually clockwise, make first rope 343 at A position in relaxation state gradually, therefore, a counteracting forces put is received in the corresponding formation one in two ends of the first rope 343 and the second rope 344, counteracting forces by this, effectively guarantee that side support unit 21 carries out the action launched all the time with near vertical surface variant.
Claims (9)
1. a folding type bed frame for infanette, is characterized in that comprising:
One bracket assembly (20), support frame as described above assembly (20) comprises four side support units (21) vertically arranged and four edges are horizontally disposed with and flexible folding upper support unit (22), and the two ends of described upper support unit (22) are articulated in two adjacent side support units (21) respectively;
One pulling apparatus (10), described pulling apparatus (10) is located at the bottom of bracket assembly (20), is provided with four groups of tooth bars (11) in described pulling apparatus (10); And
Four-axle linkage device (30), described linkage (30) is located between pulling apparatus (10) and side support unit (21), and described linkage (30) upper end and upper support unit (22) hinged;
Linkage described in each (30) comprises the first linkage unit (31) and the second linkage unit (32), the two ends of described first linkage unit (31) are articulated between side support unit (21) lower end and pulling apparatus (10) respectively, pulley linkage unit (34) is provided with in described first linkage unit (31), described first linkage unit (31) and pulling apparatus (10) pivot joint one end be provided with for tooth bar (11) meshed gears portion (33), described second linkage unit (32) is located on side support unit (21), described second linkage unit (32) upper end and two adjacent upper support units (22) hinged, support unit (21) lower end, described side is provided with can the rotation seat (35) that rotates of opposite side support unit (21), described second linkage unit (32) lower end and rotation seat (35) connect and can rotate with rotation seat (35) and do to make with support unit (21) that upper support unit (21) is corresponding to fold or launch.
2. the folding type bed frame of infanette according to claim 1, it is characterized in that described pulling apparatus (10) comprises the first pedestal (12) and to be located in the first pedestal (12) and can the second pedestal (13) of moving up and down of relative first pedestal (12), one is provided with for holding the accommodation space (14) of the second pedestal (13) in described first pedestal (12), the lateral surface of described first pedestal (12) be provided with four to four corresponding breach (15) be connected of linkage (30), the top of described second pedestal (13) is provided with a carrying handle (16), on the lateral surface that described tooth bar (11) is fixed at the second pedestal (13) and correspondence towards the breach (15) on the first pedestal (12), described first linkage unit (31) one end and the first pedestal (12) pivot joint, described gear part (33) stretches into corresponding breach (15) and engages with corresponding tooth bar (11).
3. the folding type bed frame of infanette according to claim 2, it is characterized in that the lateral surface of described first pedestal (12) is provided with two locating holes (17) be communicated with accommodation space (14), described pulling apparatus (10) also comprises two reset units (40) be located on the second pedestal (13) lateral surface, described carrying handle (16) two ends are connected with two reset units (40) respectively, reset unit described in each (40) comprises one can the reset seat (41) of vertically movement, one first locating dowel (42), one first return unit (43), one second locating dowel (44) and one second return unit (45), described reset seat (41) is provided with one first elongated slot (46), one second elongated slot (47) and one first inclined-plane (48), described second elongated slot (47) and the first inclined-plane (48) are positioned at the below of the first elongated slot (46), described first locating dowel (42) is fixedly connected on that the second pedestal (13) is upper and the first locating dowel (42) one end is inserted in the first elongated slot (46), described first return unit (43) is arranged in reset seat (41) and the upper and lower side of the first return unit (43) is connected to the first locating dowel (42) and reset seat (41) respectively, described second locating dowel (44) can be located on the second pedestal (13) and one end of the second locating dowel (44) and run through the second elongated slot (47) and insert in locating hole (17) with moving horizontally, described second locating dowel (44) is provided with one second inclined-plane (49), described second inclined-plane (49) is connected to the first inclined-plane (48), described second return unit (45) is located at that the second locating dowel (44) is upper and the two ends of the second return unit (45) are connected to the second locating dowel (44) and the second pedestal (13) respectively.
4. the folding type bed frame of the infanette according to any one of claims 1 to 3, it is characterized in that described pulley linkage unit (34) comprises one first pulley (341), one second pulley (342), one first rope (343) and one second rope (344), described first pulley (341) is fixedly connected with pulling apparatus (10), described first pulley (341) and gear part (33) be coaxial to be connected and gear part (33) can be rotated relative to the first pulley (341), described second pulley (342) is fixedly connected on the runners (39) being positioned at side support unit (21) lower end, described second pulley (342) and rotation seat (35) be coaxial to be connected and rotation seat (35) can rotate relative to the second pulley (342), described first rope (343) two ends are connected with the first pulley (341) and the second pulley (342) respectively, the two ends of described second rope (344) are connected with the first pulley (341) and the second pulley (342) respectively.
5. the folding type bed frame of infanette according to claim 4, it is characterized in that described gear part (33) is provided with a through arc groove (331) and a positioning rod (332), described backstay (332) end is fixedly connected with pulling apparatus (10), and described backstay (332) is through arc groove (331) and the first pulley (341) and can slide along arc groove (331).
6. the folding type bed frame of infanette according to claim 5, it is characterized in that described in each, the first linkage unit (31) comprises a bottom bar (36), described bottom bar (36) two ends are fixedly connected with rotation seat (35) with gear part (33) respectively.
7. the folding type bed frame of infanette according to claim 6, it is characterized in that the first linkage unit (31) described in each also comprises to be located in bottom bar (36) and respectively near the first jockey pulley (37) and second jockey pulley (38) of the first pulley (341) and the second pulley (342), described first rope (343) and the second rope (344) are walked around the first jockey pulley (37) with one end and are be connected with the first pulley (341) after X-type cross, described first rope (343) is walked around the second jockey pulley (38) with the second rope (344) other end and is be connected with the second pulley (342) after X-type cross.
8. the folding type bed frame of infanette according to claim 4, it is characterized in that side support unit (21) described in each is vertically provided with a guide groove (25), second linkage unit (32) described in each comprises one first Mobile base (321), one second Mobile base (322), one fixed block (323), one elastic component (324), two connecting rods (325) and a linkage piece (326), described first Mobile base (321) and the second Mobile base (322) are slidably connected on corresponding side support unit (21), described second Mobile base (322) is vertically provided with a shifting chute (327), described fixed block (323) side to snap in shifting chute (327) and can slide by relative movement groove (327), described fixed block (323) opposite side is fixedly connected with the first Mobile base (321), described elastic component (324) is located in the first Mobile base (321) and elastic component (324) is connected to the first Mobile base (321) and the second Mobile base (322) in two ends up and down respectively, described elastic component (324) is positioned at fixed block (323) top, (325) lower end of connecting rod described in two and the second Mobile base (322) hinged, connecting rod described in two (325) upper end is articulated with support unit (22) on corresponding two respectively, described linkage piece (326) is slidably connected in the guide groove (25) on side support unit (21), described linkage piece (326) is fixedly connected with rotation seat (35) with the first Mobile base (321) at two ends up and down respectively, when rotation seat (35) is rotated, linkage piece (326) drives the first Mobile base (321) toward drop-down or up push up, and then drive the second Mobile base (322) again, push away connecting rod (325) make upper support unit (22) corresponding folding or expansion by drawing.
9. the folding type bed frame of infanette according to claim 7, it is characterized in that side support unit (21) described in each is vertically provided with a guide groove (25), second linkage unit (32) described in each comprises one first Mobile base (321), one second Mobile base (322), one fixed block (323), one elastic component (324), two connecting rods (325) and a linkage piece (326), described first Mobile base (321) and the second Mobile base (322) are slidably connected on corresponding side support unit (21), described second Mobile base (322) is vertically provided with a shifting chute (327), described fixed block (323) side to snap in shifting chute (327) and can slide by relative movement groove (327), described fixed block (323) opposite side is fixedly connected with the first Mobile base (321), described elastic component (324) is located in the first Mobile base (321) and elastic component (324) is connected to the first Mobile base (321) and the second Mobile base (322) in two ends up and down respectively, described elastic component (324) is positioned at fixed block (323) top, (325) lower end of connecting rod described in two and the second Mobile base (322) hinged, connecting rod described in two (325) upper end is articulated with support unit (22) on corresponding two respectively, described linkage piece (326) is placed in the guide groove (25) on side support unit (21), described linkage piece (326) is fixedly connected with rotation seat (35) with the first Mobile base (321) at two ends up and down respectively, when rotation seat (35) is rotated, linkage piece (326) drives the first Mobile base (321) toward drop-down or up push up, and then drive the second Mobile base (322) again, push away connecting rod (325) make upper support unit (22) corresponding folding or expansion by drawing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330274.7U CN204797318U (en) | 2015-05-20 | 2015-05-20 | Foldable bedstead of crib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330274.7U CN204797318U (en) | 2015-05-20 | 2015-05-20 | Foldable bedstead of crib |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204797318U true CN204797318U (en) | 2015-11-25 |
Family
ID=54582229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520330274.7U Withdrawn - After Issue CN204797318U (en) | 2015-05-20 | 2015-05-20 | Foldable bedstead of crib |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204797318U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104825010A (en) * | 2015-05-20 | 2015-08-12 | 中山市西区青原贸易代理服务部 | Folding crib frame of baby crib |
| CN105996584A (en) * | 2016-07-09 | 2016-10-12 | 中山市西区青原贸易代理服务部 | Folding crib frame with locking device |
| WO2020156050A1 (en) * | 2019-01-31 | 2020-08-06 | 中山市乐瑞婴童用品有限公司 | Anti-toppling entertainment device for children |
-
2015
- 2015-05-20 CN CN201520330274.7U patent/CN204797318U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104825010A (en) * | 2015-05-20 | 2015-08-12 | 中山市西区青原贸易代理服务部 | Folding crib frame of baby crib |
| CN105996584A (en) * | 2016-07-09 | 2016-10-12 | 中山市西区青原贸易代理服务部 | Folding crib frame with locking device |
| EP3266350A1 (en) * | 2016-07-09 | 2018-01-10 | Wang, Shu-Chen | Foldable enclosure apparatus having a locking device for a baby bed |
| CN105996584B (en) * | 2016-07-09 | 2023-01-31 | 中山市西区青原贸易代理服务部 | Folding baby bedstead with locking device |
| WO2020156050A1 (en) * | 2019-01-31 | 2020-08-06 | 中山市乐瑞婴童用品有限公司 | Anti-toppling entertainment device for children |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151125 Effective date of abandoning: 20171114 |