CN211984683U - Intelligent folding electric bed - Google Patents

Intelligent folding electric bed Download PDF

Info

Publication number
CN211984683U
CN211984683U CN201922440342.6U CN201922440342U CN211984683U CN 211984683 U CN211984683 U CN 211984683U CN 201922440342 U CN201922440342 U CN 201922440342U CN 211984683 U CN211984683 U CN 211984683U
Authority
CN
China
Prior art keywords
bed frame
bed
main body
frame
frame main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201922440342.6U
Other languages
Chinese (zh)
Inventor
刘承军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chuanyi (Xiamen) Intelligent Technology Co.,Ltd.
Original Assignee
Chuan Yi Xiamen Industry And Trade Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chuan Yi Xiamen Industry And Trade Co ltd filed Critical Chuan Yi Xiamen Industry And Trade Co ltd
Priority to CN201922440342.6U priority Critical patent/CN211984683U/en
Application granted granted Critical
Publication of CN211984683U publication Critical patent/CN211984683U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Invalid Beds And Related Equipment (AREA)

Abstract

The utility model discloses an intelligent folding electric bed, which comprises a bed frame main body consisting of a first bed frame component and a second bed frame component, a panel arranged on the upper surface of the bed frame main body, bed legs arranged on the lower surface of the bed frame main body and a roller component; the adjacent ends of the first bed frame assembly and the second bed frame assembly are in pivot joint matching so as to realize the spreading state or the folding state of the bed frame main body; the roller components are pivoted and matched with one end part of the bed frame main body and can rotate relative to the bed frame main body so as to match the unfolding state or the folding state. The utility model discloses a set up wheel components on the first bed frame subassembly or the second bed frame subassembly of folding electric bed, this wheel components and electric bed's the state of spreading out or fold condition phase-match, wheel components realizes the roll function when fold condition, and convenience of customers can push electric bed and go forward, need not hard transport to can reduce the degree of difficulty that "last kilometer" product of transportation transported to the family, use manpower sparingly, improve handling efficiency.

Description

Intelligent folding electric bed
Technical Field
The utility model relates to the field of furniture, especially indicate an electric bed is folded to intelligence.
Background
With the improvement of living standard of people, the electric bed is widely applied. Most of the existing electric beds are designed into foldable structures so as to reduce the occupied area and save the space, thereby improving the transportation efficiency and reducing the transportation cost.
However, the size and the manufacturing materials of the electric bed are limited, and the electric bed after being folded still has the problems of heavy weight and large volume, which cause difficult transportation, especially in the last kilometer in the transportation process, when a customer requires to send goods to a door, the electric bed is difficult to transport to a user, and a large amount of manpower and time are consumed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric bed is folded to intelligence, can reduce the degree of difficulty that "last kilometer" product of transportation transported to the family, use manpower sparingly, improve handling efficiency.
In order to achieve the above purpose, the solution of the present invention is:
an intelligent folding electric bed comprises a bed frame main body consisting of a first bed frame assembly and a second bed frame assembly, a panel paved on the upper surface of the bed frame main body, a plurality of bed legs installed on the lower surface of the bed frame main body, and at least one group of roller assemblies with rollers; the adjacent ends of the first bed frame assembly and the second bed frame assembly are in pivot joint matching, one of the first bed frame assembly and the second bed frame assembly can rotate relative to the other one of the first bed frame assembly and the second bed frame assembly so as to realize the unfolding state or the folding state of the bed frame main body; the roller components are pivoted and matched with one end part of the bed frame main body and can rotate relative to the bed frame main body so as to match the unfolding state or the folding state of the bed frame main body; when the bed frame is in the unfolding state, the upper surfaces of the first bed frame assembly and the second bed frame assembly are in the same horizontal plane and are connected together, and the roller assemblies are perpendicular to the bed frame main body to realize the supporting function; when being in during folded state, the lower surface of first bed frame subassembly and second bed frame subassembly is folding in opposite directions, wheel components and bed frame main part are folding in opposite directions in order to realize the roll function.
The roller assembly comprises a roller, an adapter piece arranged on the bed frame main body and a mounting piece which is in pivot joint with the adapter piece and is used for mounting the roller; the mounting piece comprises a first rod piece and a second rod piece which are perpendicular to each other, one end of the first rod piece is in pivot joint with the adaptor through a rotating shaft, and the other end of the first rod piece is perpendicularly connected with the middle of the second rod piece; the number of the rollers is two, the rollers are respectively installed at two ends of the second rod piece, and the rollers and the first rod piece are respectively located at two sides of the second rod piece.
The roller assembly further comprises a positioning pin, the adapter is provided with a movable groove for the first rod piece to be movably matched, two groups of through holes are formed in the side wall of the movable groove, and the first rod piece is provided with a pin hole; the pin hole can be opposite to a group of through holes of the first rod piece along with the rotation of the first rod piece, so that the positioning pin sequentially penetrates through the group of through holes and the pin hole; the roller assembly further comprises a limiting part, the limiting part comprises a screw rod in threaded fit with the mounting part and a nut connected with the screw rod, and the screw rod is parallel to the roller in the radial direction.
The number of the roller components is two, and the two roller components are respectively arranged on two sides of the same end part of the bed frame main body.
The bed legs are detachably matched with the lower surface of the bed frame main body.
The bed legs are arranged on the lower surface of the bed frame main body in a staggered mode so that the bed legs are staggered when in the folded state and are inserted into the hollow parts of the first bed frame assembly or the second bed frame assembly relatively.
First bed frame subassembly and second bed frame subassembly keep away from and be provided with locking structure between the end, this locking structure is in during folded condition, the latch fitting lock joint cooperation is being by the latch fitting on the latch fitting including setting up latch fitting on both respectively with by the latch fitting to the restriction the motion of deviating from of first bed frame subassembly and second bed frame subassembly.
The first bed frame assembly comprises a first underframe, a first frame arranged on the upper surface of the first underframe, a second frame in pivot joint fit with the first frame, a first linkage piece in rolling connection with the second frame, and a first driving device for driving the first linkage piece; the second bed frame assembly comprises a second underframe, a third frame arranged on the second underframe, a fourth frame with one end pivoted with the third frame, a fifth frame pivoted with the other end of the fourth frame, a connecting rod with two ends respectively pivoted with the fifth frame and the second underframe, a second linkage member in rolling connection with the fifth frame, and a second driving device for driving the second linkage member.
The first driving device is an air cylinder or a hydraulic cylinder, the second driving device is an air cylinder or a hydraulic cylinder, and the first driving device and the second driving device are both controlled by a remote controller.
The intelligent folding electric bed further comprises a plurality of groups of mounting assemblies arranged on the periphery of the bed frame main body, each mounting assembly comprises a mounting rod arranged on the side edge of the bed frame main body and provided with a mounting groove, and a limiting rod matched with the mounting groove, and the edge of the panel is matched in the mounting groove and is pressed by the limiting rod; the panels are made of textilene.
After the structure of the oil adding device is adopted, the utility model discloses a set up wheel components on the first bed frame subassembly or the second bed frame subassembly of folding electric bed, this wheel components and electric bed's the state of spreading out or fold condition phase-match, wheel components realizes the roll function when fold condition, and convenience of customers can push away electric bed and go forward, need not hard transport to can reduce the degree of difficulty that "last kilometer" product of transportation transported to the family, use manpower sparingly, improve handling efficiency.
Furthermore, the utility model discloses a spread out state and fold condition need not just can realize with the help of the instrument, greatly reduced user's the operation degree of difficulty, improve user experience.
Drawings
Fig. 1 is a first perspective view of the unfolded state of the embodiment of the present invention;
FIG. 2 is a second perspective view of the rolled-out position of the embodiment of the present invention;
FIG. 3 is a side view of an expanded state of an embodiment of the present invention;
FIG. 4 is a perspective view of a roller assembly according to an embodiment of the present invention;
FIG. 5 is an exploded view of a roller assembly according to an embodiment of the present invention;
FIG. 6 is a perspective view of a folded state of an embodiment of the present invention;
FIG. 7 is a perspective view of a folded state of an embodiment of the present invention;
FIG. 8 is a first perspective view of the embodiment of the present invention in a set-up state;
FIG. 9 is a second perspective view of the embodiment of the present invention in a set-up state;
FIG. 10 is a side view of an erect state of an embodiment of the present invention;
the reference numbers illustrate: a bed frame body 10; a first bed frame assembly 11; a first chassis 111; a first frame 112; a second frame 113; a first linkage member 114; a first driving device 115; a second bed frame assembly 12; a second chassis 121; a third frame 122; a fourth frame 123; a fifth frame 124; a link 125; a second linkage member 126; the second driving device 127; a panel 20; a bed leg 30; a roller assembly 40; a roller 41; an adapter 42; a movable groove 421; a through hole 4211; a mounting member 43; a first rod 431; pin holes 4311; a second bar 432; a rotating shaft 44; a positioning pin 45; a stopper 46; a screw 461; a nut 462; a locking structure 50; a lock 51; a locked member 52; a mounting assembly 60; a mounting rod 61; a mounting groove 611; a stop bar 62.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
The utility model relates to an electric bed is folded to intelligence, include the bed frame main part 10 of constituteing by first bed frame subassembly 11 and second bed frame subassembly 12, lay at the panel 20 of bed frame main part 10 upper surface, install a plurality of footpost 30 at bed frame main part 10 lower surface to and at least a set of gyro wheel subassembly 40 that has gyro wheel 41.
The adjacent ends of the first and second frame assemblies 11 and 12 are pivotally connected, and one of the two assemblies can rotate relative to the other to achieve the unfolding or folding state of the frame body 10.
The roller assembly 40 is pivotally coupled to one end of the frame body 10 and is rotatable with respect to the frame body 10 to match the spread state or the folded state of the frame body 10.
When the bed is in the spread state, the upper surfaces of the first bed frame assembly 11 and the second bed frame assembly 12 are in the same horizontal plane and are connected together, and the roller assemblies 40 are vertical to the bed frame main body 10 to realize the supporting function; in the folded state, the lower surfaces of the first and second frame assemblies 11 and 12 are folded toward each other, and the roller assemblies 40 and the frame main body 10 are folded toward each other to perform a rolling function.
Referring to fig. 1-10, a specific embodiment of the present invention is shown.
The roller assembly 40 includes a roller 41, an adapter 42 mounted on the frame body 10, and a mounting member 43 pivotally engaged with the adapter 42 and for mounting the roller 41.
The mounting member 43 includes a first rod 431 and a second rod 432 perpendicular to each other, one end of the first rod 431 is pivotally coupled to the adaptor 42 through the rotating shaft 44, the other end of the first rod 431 is perpendicularly coupled to the middle of the second rod 432, and two rollers 41 are respectively mounted at two ends of the second rod 432 and located at two sides of the second rod 432 respectively with the first rod 431.
The roller assembly 40 further includes a positioning pin 45, the adaptor 42 is provided with a movable groove 421 for the first rod 431 to be movably matched, a side wall of the movable groove 421 is provided with two sets of through holes 4211, the first rod 431 is provided with a pin hole 4311, and along with the rotation of the first rod 431, the pin hole 4311 can be opposite to the one set of through holes 4211, so that the positioning pin 45 sequentially penetrates through the one set of through holes 4211 and the pin hole 4311, thereby limiting the rotation of the first rod 431, maintaining the installation state of the roller 41, and improving the structural stability of the product.
The roller assembly 40 further includes a limiting member 46, wherein the limiting member 46 includes a screw 461 in threaded engagement with the mounting member 43 and a nut 462 connected to the screw 461, and the screw 461 is parallel to the roller 41 in a radial direction. Through the screw thread cooperation of screw 461 and installation piece 43, can realize the distance adjustment between nut 462 and installation piece 43 by the user's wrong nut 462, when the distance of nut 462 and installation piece 43 exceeded the maximum distance of gyro wheel 41 with installation piece 43, then nut 462 supports installation piece 43 and makes gyro wheel 41 liftoff, loses the roll function, guarantees that roller assembly 40 is more stable when realizing the support function.
In this embodiment, two sets of the roller assemblies 40 are provided, and are respectively disposed on two sides of the same end of the bed frame main body 10, so as to support the bed frame main body 10 to stand in a balanced manner.
The above-mentioned footpost 30 can be dismantled the cooperation at the lower surface of bed frame main part 10, then can dismantle the footpost 30 when the product packing to avoid disturbing folding in opposite directions of first bed frame subassembly 11 and second bed frame subassembly 12, realize both clearance minimums, with save packaging material, reduce the volume after area and the packing. Wherein, can dismantle the screw-thread fit can be selected to the complex mode, does not need the contact tool just can accomplish the dismouting like this.
Alternatively, the legs 30 are arranged on the lower surface of the frame body 10 in a staggered manner so that the legs 30 are staggered with respect to each other in the folded state and inserted into the hollow portion of the first frame unit 11 or the second frame unit 12, so that the effect of not interfering with the folding of the first frame unit 11 and the second frame unit 12 can be achieved.
A locking structure 50 is arranged between the far ends of the first bed frame assembly 11 and the second bed frame assembly 12, the locking structure 50 comprises a locking piece 51 and a locked piece 52 which are respectively arranged on the first bed frame assembly 11 and the second bed frame assembly 12, and when the bed frame is in a folded state, the locking piece 51 can be rotated and is buckled and matched on the locked piece 52 so as to limit the departing movement of the first bed frame assembly 11 and the second bed frame assembly 12. In this embodiment, the locking member 51 is a long strip pivotally connected to the second frame assembly 12, and the movable end thereof is provided with a notch, and the locked member 52 is a protrusion welded to the first frame assembly 11, and the notch is buckled on the protrusion when the bed frame assembly is folded, so as to achieve the locking effect.
The first bed frame assembly 11 includes a first base frame 111, a first frame 112 mounted on an upper surface of the first base frame 111, a second frame 113 pivotally coupled to the first frame 112, a first linkage 114 connected to the second frame 113 in a rolling manner, and a first driving device 115 for driving the first linkage 114. Wherein the first chassis 111 may be used for mounting the bed leg 30. In use, the first driving device 115 may drive the first linkage member 114 to push the second frame 113 to flip up relative to the first frame 112, so as to achieve the erected state shown in fig. 8 to 10.
The second bed frame assembly 12 includes a second bottom frame 121, a third frame 122 mounted on the second bottom frame 121, a fourth frame 123 with one end pivotally connected to the third frame 122, a fifth frame 124 pivotally connected to the other end of the fourth frame 123, a link 125 with two ends pivotally connected to the fifth frame 124 and the second bottom frame 121, a second link 126 connected to the fifth frame 124 in a rolling manner, and a second driving device 127 for driving the second link 126. Wherein the second chassis 121 may be used for mounting the bed leg 30. In use, the second driving device 127 may drive the second link member 126 to push the fifth frame 124 to disengage from the second chassis 121, and drive the fourth frame 123 to flip up relative to the third frame 122, so as to achieve the erected state shown in fig. 8 to 10.
The first driving device 115 and the second driving device 127 are both air cylinders or hydraulic cylinders, and can be controlled by a remote controller (not shown in the figure), so as to achieve an intelligent control effect, and adjust the deformation angles of the first bed frame assembly 11 and the second bed frame assembly 12 according to the user requirements.
The adjacent ends of the first base frame 111 and the second base frame 121 are pivotally engaged with each other to achieve the pivotal engagement of the first bed frame assembly 11 and the second bed frame assembly 12.
The panel 20 is made of teslin cloth, and according to the actual design of the electric bed, the panel can be composed of a plurality of teslin cloths to realize the folding effect by adapting to the frame of the electric bed.
The utility model discloses still including installing a plurality of groups installation component 60 at the bed frame main part 10 periphery, this installation component 60 is including installing the gag lever post 62 that the installation pole 61 that is provided with mounting groove 611 at bed frame main part 10 side, matches with mounting groove 611, and the edge cooperation of panel 20 is in mounting groove 611 and is compressed tightly by gag lever post 62 to realize firm fixed knot and construct. When the installation is carried out, the edge of the panel 20 (namely, the textilene) is only required to be placed in the installation groove 611, and then the limiting rod 62 is inserted from the end part of the installation groove 611, so that the assembly can be completed without using tools.
Through the structure, the utility model discloses a set up wheel components 40 on the first bed frame subassembly 11 or the second bed frame subassembly 12 of folding beddo, this wheel components 40 can with the state of spreading out or fold condition phase-match of beddo, wheel components 40 realizes the roll function when fold condition, convenience of customers can push away the beddo and go forward, need not hard transport to can reduce the degree of difficulty of "last kilometer" product transport to the family of transportation, use manpower sparingly, improve handling efficiency.
Furthermore, the utility model discloses a spread out state and fold condition need not just can realize with the help of the instrument, greatly reduced user's the operation degree of difficulty, improve user experience.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims (10)

1. The utility model provides an electric bed is folded to intelligence which characterized in that includes:
the bed frame main body consists of a first bed frame component and a second bed frame component, the adjacent ends of the first bed frame component and the second bed frame component are in pivot joint matching, one of the first bed frame component and the second bed frame component can rotate relative to the other one, so that the spread state or the folded state of the bed frame main body is realized;
a panel laid on the upper surface of the bed frame main body;
a plurality of bed legs arranged on the lower surface of the bed frame main body;
and at least one group of roller components with rollers, which are pivoted and matched with one end part of the bed frame main body and can rotate relative to the bed frame main body so as to match the unfolding state or the folding state of the bed frame main body;
when the bed frame is in the unfolding state, the upper surfaces of the first bed frame assembly and the second bed frame assembly are in the same horizontal plane and are connected together, and the roller assemblies are perpendicular to the bed frame main body to realize the supporting function; when being in during folded state, the lower surface of first bed frame subassembly and second bed frame subassembly is folding in opposite directions, wheel components and bed frame main part are folding in opposite directions in order to realize the roll function.
2. The intelligent folding electric bed as claimed in claim 1, wherein:
the roller assembly comprises a roller, an adapter piece arranged on the bed frame main body and a mounting piece which is in pivot joint with the adapter piece and is used for mounting the roller; the mounting piece comprises a first rod piece and a second rod piece which are perpendicular to each other, one end of the first rod piece is in pivot joint with the adaptor through a rotating shaft, and the other end of the first rod piece is perpendicularly connected with the middle of the second rod piece; the number of the rollers is two, the rollers are respectively installed at two ends of the second rod piece, and the rollers and the first rod piece are respectively located at two sides of the second rod piece.
3. The intelligent folding electric bed as claimed in claim 2, wherein:
the roller assembly further comprises a positioning pin, the adapter is provided with a movable groove for the first rod piece to be movably matched, two groups of through holes are formed in the side wall of the movable groove, and the first rod piece is provided with a pin hole; the pin hole can be opposite to a group of through holes of the first rod piece along with the rotation of the first rod piece, so that the positioning pin sequentially penetrates through the group of through holes and the pin hole; the roller assembly further comprises a limiting part, the limiting part comprises a screw rod in threaded fit with the mounting part and a nut connected with the screw rod, and the screw rod is parallel to the roller in the radial direction.
4. The intelligent folding electric bed as claimed in claim 2, wherein:
the number of the roller components is two, and the two roller components are respectively arranged on two sides of the same end part of the bed frame main body.
5. The intelligent folding electric bed as claimed in claim 1, wherein:
the bed legs are detachably matched with the lower surface of the bed frame main body.
6. The intelligent folding electric bed as claimed in claim 1, wherein:
the bed legs are arranged on the lower surface of the bed frame main body in a staggered mode so that the bed legs are staggered when in the folded state and are inserted into the hollow parts of the first bed frame assembly or the second bed frame assembly relatively.
7. The intelligent folding electric bed as claimed in claim 1, wherein:
first bed frame subassembly and second bed frame subassembly keep away from and be provided with locking structure between the end, this locking structure is in during folded condition, the latch fitting lock joint cooperation is being by the latch fitting on the latch fitting including setting up latch fitting on both respectively with by the latch fitting to the restriction the motion of deviating from of first bed frame subassembly and second bed frame subassembly.
8. The intelligent folding electric bed as claimed in claim 1, wherein:
the first bed frame assembly comprises a first underframe, a first frame arranged on the upper surface of the first underframe, a second frame in pivot joint fit with the first frame, a first linkage piece in rolling connection with the second frame, and a first driving device for driving the first linkage piece; the second bed frame assembly comprises a second underframe, a third frame arranged on the second underframe, a fourth frame with one end pivoted with the third frame, a fifth frame pivoted with the other end of the fourth frame, a connecting rod with two ends respectively pivoted with the fifth frame and the second underframe, a second linkage member in rolling connection with the fifth frame, and a second driving device for driving the second linkage member.
9. The intelligent folding electric bed as claimed in claim 8, wherein:
the first driving device is an air cylinder or a hydraulic cylinder, the second driving device is an air cylinder or a hydraulic cylinder, and the first driving device and the second driving device are both controlled by a remote controller.
10. The intelligent folding electric bed as claimed in claim 1, wherein:
the mounting assembly comprises a mounting rod which is mounted on the side edge of the bed frame main body and provided with a mounting groove, and a limiting rod which is matched with the mounting groove, wherein the edge of the panel is matched in the mounting groove and is pressed by the limiting rod; the panels are made of textilene.
CN201922440342.6U 2019-12-30 2019-12-30 Intelligent folding electric bed Active CN211984683U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922440342.6U CN211984683U (en) 2019-12-30 2019-12-30 Intelligent folding electric bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922440342.6U CN211984683U (en) 2019-12-30 2019-12-30 Intelligent folding electric bed

Publications (1)

Publication Number Publication Date
CN211984683U true CN211984683U (en) 2020-11-24

Family

ID=73427694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922440342.6U Active CN211984683U (en) 2019-12-30 2019-12-30 Intelligent folding electric bed

Country Status (1)

Country Link
CN (1) CN211984683U (en)

Similar Documents

Publication Publication Date Title
AU2017100803A4 (en) A foldable electric bed
US9382723B2 (en) Mechanism for folding and unfolding a tent or awning
US20170325592A1 (en) Motorized Foldable Bed Frame Assembly
US3967330A (en) Folding bed
CN204743259U (en) Multifunctional office table
WO2019024945A1 (en) Multifunctional folding push cart
US10441070B2 (en) Compactable utility table
US3256037A (en) Foldable picnic table
CN203776371U (en) Electric table foot frame easy to fold and unfold
CN113892754B (en) Telescopic folding table
CN113925275B (en) Telescopic folding table
CN204801836U (en) Folding trailer
CN211984683U (en) Intelligent folding electric bed
CN105996564A (en) Intelligent folding bed with storage box
CN103040265B (en) Chair for director
CN111000397A (en) Intelligent folding electric bed
CN110002002B (en) Folding bracket for helicopter
CN216723618U (en) Telescopic folding table
CN216316232U (en) Telescopic folding table frame
CA2798329A1 (en) Foldable artist bench
CN215649735U (en) Lifting device with ultra-small volume and fast assembly
CN213030324U (en) Folding bed
CN204169423U (en) The parallel neat folding bed of doubling
CN210809759U (en) Double-layer folding table
CN104622069B (en) A kind of portable and collapsible Multifunctional bench

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 361000 east of 2 / F, building 4, No. 300, Tongji North Road, Tong'an District, Xiamen City, Fujian Province

Patentee after: Chuanyi (Xiamen) Intelligent Technology Co.,Ltd.

Address before: 361000 east of 2 / F, building 4, No. 300, Tongji North Road, Tong'an District, Xiamen City, Fujian Province

Patentee before: CHUAN YI (XIAMEN) INDUSTRY AND TRADE Co.,Ltd.