CN109259420A - A kind of Collapsible type desk - Google Patents
A kind of Collapsible type desk Download PDFInfo
- Publication number
- CN109259420A CN109259420A CN201811149724.7A CN201811149724A CN109259420A CN 109259420 A CN109259420 A CN 109259420A CN 201811149724 A CN201811149724 A CN 201811149724A CN 109259420 A CN109259420 A CN 109259420A
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- China
- Prior art keywords
- mandril
- base shaft
- strut
- shaft
- sprue
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B3/00—Folding or stowable tables
- A47B3/002—Folding or stowable tables with foldable underframe
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Abstract
The present invention proposes a kind of Collapsible type desk, including bottom supporting mechanism, fold mechanism, top supporting mechanism, regulating mechanism, fold mechanism is installed between bottom supporting mechanism and top supporting mechanism, bottom supporting mechanism is placed on ground, regulating mechanism is installed on fold mechanism, by regulating mechanism Foldable mechanism action, it is connected between the bottom supporting mechanism and top supporting mechanism of the Collapsible type desk by fold mechanism, and regulating mechanism is installed on fold mechanism, to which Foldable mechanism opens and closes, rise or fall top supporting mechanism, and fold mechanism can thoroughly be deviate from from bottom supporting mechanism and top supporting mechanism, so that entire desk folds completely, convenient for adjusting height as needed, and it can be in idle or storage, minimize volume when transport.
Description
Technical field
The present invention relates to office furniture more particularly to a kind of Collapsible type desks.
Background technique
Common each component of desk uses fixed connection structure, and big quantity space can be occupied when desk leaves unused, in storage or
It is also difficult to stack when transport, make troubles to the use of desk.Therefore, it is necessary to this desk carry out structure optimization, with gram
Take drawbacks described above.
Summary of the invention
The object of the present invention is to provide a kind of Collapsible type desks, to reduce space hold, are easy to use.
The present invention is that technical solution used by solving its technical problem is:
A kind of Collapsible type desk, including bottom supporting mechanism, fold mechanism, top supporting mechanism, regulating mechanism, folding machine
Structure is installed between bottom supporting mechanism and top supporting mechanism, and bottom supporting mechanism is placed on ground, and regulating mechanism is installed in
On fold mechanism, by regulating mechanism Foldable mechanism action, in which:
Bottom supporting mechanism includes left base shaft and right base shaft, and left base shaft is laterally disposed with right base shaft and is parallel to each other, Zuo Ji
Bar is the square tube of both ends open, and right side offers left notch, is connected to inside left notch and left base shaft, and along the length of left base shaft
It spends direction to extend, its rear end is located in the middle part of left base shaft, and front end is located at left base shaft front opening, and left base shaft front end face is equipped with a left side
Preceding plug, left front plug inside are equipped with a pair of of connection sheet, and connection sheet protrudes into left base shaft, and is attached at left base shaft roof and bottom
Wall, left base shaft front end side wall are installed with positioning screw, and positioning screw screws in left base shaft, is connected with the connection sheet of left front plug,
It is kept fixed left front plug, left base shaft rear end face is equipped with left back plug, and a pair of of connection sheet, connection sheet are equipped on the inside of left back plug
It protrudes into left base shaft, and is attached at left base shaft roof and bottom wall, left base shaft rear end side wall is equipped with positioning screw, positioning screw rotation
Enter in left base shaft, be connected with the connection sheet of left back plug, is kept fixed left back plug；Right base shaft is the square tube of both ends open,
Its left side offers right notch, is connected to inside right notch and right base shaft, and extend along the length direction of right base shaft, its rear end position
In the middle part of right base shaft, front end is located at right base shaft front opening, and right base shaft front end face is equipped with plug before the right side, before the right side on the inside of plug
Equipped with a pair of of connection sheet, connection sheet is protruded into right base shaft, and is attached at right base shaft roof and bottom wall, right base shaft front end side wall installing
There is positioning screw, positioning screw screws in right base shaft, is connected with the connection sheet of plug before the right side, is kept fixed plug before the right side, right
Base shaft rear end face is equipped with plug behind the right side, is equipped with a pair of of connection sheet behind the right side on the inside of plug, connection sheet protrudes into right base shaft, and is attached at
Right base shaft roof and bottom wall, right base shaft rear end side wall are equipped with positioning screw, and positioning screw screws in right base shaft, with plug behind the right side
Connection sheet be connected, be kept fixed plug behind the right side；
Top supporting mechanism includes left mandril and right mandril, and left mandril is laterally arranged and is parallel to each other with right mandril, left top
Bar is located above left base shaft, and is parallel to each other with left base shaft, and left mandril is the square tube of both ends open, and left side offers a left side and leads
It being connected to inside slot, left guide groove and left mandril, and extends along the length direction of left mandril, its rear end is located in the middle part of left mandril, before
End is located at left mandril front opening, and left mandril front end face is equipped with left front sprue, and a pair of of switching piece is equipped on the inside of left front sprue, is turned
Contact pin is protruded into left mandril, and is attached at left mandril roof and bottom wall, and left mandril front end side wall is installed with attachment screw, connects spiral shell
Nail screws in left mandril, is connected with the switching piece of left front sprue, is kept fixed left front sprue, and left mandril rear end face is equipped with left back
Sprue, left back sprue inside are equipped with a pair of of switching piece, and switching piece protrudes into left mandril, and is attached at left mandril roof and bottom wall,
Left mandril rear end side wall is equipped with attachment screw, and attachment screw screws in left mandril, is connected with the switching piece of left back sprue, makes a left side
Sprue is kept fixed afterwards；Right mandril is located above right base shaft, and is parallel to each other with right base shaft, and right mandril is the side of both ends open
Pipe, right side offer right guide groove, are connected to inside right guide groove and right mandril, and extend along the length direction of right mandril, thereafter
It holds and is located in the middle part of right mandril, front end is located at right mandril front opening, and right mandril front end face is equipped with sprue before the right side, sprue before the right side
Inside is equipped with a pair of of switching piece, and switching piece protrudes into right mandril, and is attached at right mandril roof and bottom wall, right mandril front end side wall
It is installed with attachment screw, attachment screw screws in right mandril, is connected with the switching piece of sprue before the right side, and sprue before the right side is made to keep solid
Fixed, right mandril rear end face is equipped with sprue behind the right side, is equipped with a pair of of switching piece behind the right side on the inside of sprue, and switching piece protrudes into right mandril, and
It is attached at right mandril side wall and bottom wall, right mandril rear end side wall is equipped with attachment screw, and attachment screw screws in right mandril, with the right side
The switching piece of sprue is connected afterwards, is kept fixed sprue behind the right side；
Left cross bar is installed on the inside of left mandril, left cross bar extends along the length direction of left mandril, and length is less than left mandril
Length, be installed with right cross bar on the inside of right mandril, right cross bar extends along the length direction of right mandril, and length is less than right mandril
Length, left cross bar are connected with right cross bar rear end by rear transverse rod, and left cross bar is connected with right cross bar front end by front rail, front rail
It is connected in the middle part of rear transverse rod by middle cross bar, left cross bar, right cross bar, rear transverse rod, front rail and middle cross bar are equipped with top plate；
Fold mechanism includes left support and right support, and left support and right support bottom end are connected with bottom supporting mechanism, top
End is connected with top supporting mechanism, and left support includes left outside strut and left inside strut, and left outside strut bottom end is located on the outside of left base shaft,
And be connected with left base shaft rear end by pin shaft, left outside strut can be rotated in left base shaft by pin shaft, on the inside of left inside strut bottom end
It is installed with lower-left idler wheel, lower-left idler wheel is protruded into inside left base shaft by left notch, and left inside strut bottom end can pass through lower-left idler wheel edge
Left notch is mobile, and by hinged pin connection in the middle part of left outside strut and left inside strut, left outside strut can be by hinged with left inside strut
Pin folding, left inside strut top is located on the inside of left mandril, and is connected with left mandril rear end by pin shaft, and left inside strut can pass through pin
Axis rotates on left mandril, and left outside strut top inner side is installed with upper left idler wheel, and upper left idler wheel protrudes into left mandril by left guide groove
Inside, left outside strut top can be moved by upper left idler wheel along left guide groove；Right support includes right outer strut and right internal overarm support, left and right
Strut bottom end is located on the outside of right base shaft, and is connected with right base shaft rear end by pin shaft, and right outer strut can be by pin shaft in right base shaft
Upper rotation, right internal overarm support bottom end inside are installed with bottom right idler wheel, and bottom right idler wheel is protruded into inside right base shaft by right notch, right inner support
Bar bottom end can be moved by bottom right idler wheel along right notch, pass through hinged axis connection, right outer support in the middle part of right outer strut and right internal overarm support
Bar can be opened and closed with right internal overarm support by articulated shaft, and right internal overarm support top is located on the inside of right mandril, and passes through pin with right mandril rear end
Axis is connected, and right internal overarm support can be rotated on right mandril by pin shaft, and right outer strut top inner side is installed with upper right idler wheel, upper right rolling
Wheel is protruded into inside right mandril by right guide groove, and right outer strut top can be moved by upper right idler wheel along right guide groove；
Regulating mechanism includes front beam and rear cross beam, and rear cross beam both ends pass through shaft respectively and are connected in left inside strut and the right side
Strut upper portion, front beam both ends pass through shaft respectively and are connected to left outside strut and right outer strut upper portion, front beam with
It being parallel to each other between rear cross beam, adjusting screw rod is installed between front beam and rear cross beam, adjusting screw rod outer wall offers external screw thread,
Right section of part of rear cross beam is installed with rear pedestal, and right section of part of front beam is installed with preceding pedestal, and rear pedestal is protruded into adjusting screw rod rear end
In, rear two sides of base is installed with thrust bearing respectively, and adjusting screw rod rear end is rotated in rear pedestal by thrust bearing, adjusts spiral shell
It is passed through from preceding pedestal in the middle part of bar, the internal screw thread being adapted to external screw thread is offered in preceding pedestal, makes adjusting screw rod can be in preceding pedestal
Middle rotary extension drives front beam and rear cross beam close to or far from adjusting screw rod front end is installed with crank.
The present invention has the advantages that
It is connected between the bottom supporting mechanism and top supporting mechanism of the Collapsible type desk by fold mechanism, and in folding machine
Regulating mechanism is installed on structure, so that Foldable mechanism opens and closes, rises or falls top supporting mechanism, and fold mechanism can
Thoroughly deviate from from bottom supporting mechanism and top supporting mechanism, so that entire desk folds completely, convenient for adjusting as needed
Highly, and volume can be minimized in idle or storage, transport.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Collapsible type desk proposed by the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Diagram and specific embodiment are closed, the present invention is further explained.
As shown in Figure 1, Collapsible type desk proposed by the present invention includes bottom supporting mechanism, fold mechanism, top braces machine
Structure, regulating mechanism, fold mechanism are installed between bottom supporting mechanism and top supporting mechanism, and bottom supporting mechanism is placed in ground
On, regulating mechanism is installed on fold mechanism, by regulating mechanism Foldable mechanism action, in which:
Bottom supporting mechanism includes left base shaft 1 and right base shaft 2, and left base shaft is laterally disposed with right base shaft and is parallel to each other, left
Base shaft is the square tube of both ends open, and right side offers left notch, is connected to inside left notch and left base shaft, and along left base shaft
Length direction extends, and its rear end is located in the middle part of left base shaft, and front end is located at left base shaft front opening, and left base shaft front end face is equipped with
Left front plug 3 is equipped with a pair of of connection sheet on the inside of left front plug, and connection sheet protrudes into left base shaft, and be attached at left base shaft roof and
Bottom wall, left base shaft front end side wall are installed with positioning screw, and positioning screw screws in left base shaft, the connection sheet phase with left front plug
Even, it is kept fixed left front plug, left base shaft rear end face is equipped with left back plug 4, a pair of of connection sheet is equipped on the inside of left back plug, even
Contact pin is protruded into left base shaft, and is attached at left base shaft roof and bottom wall, and left base shaft rear end side wall is equipped with positioning screw, positions spiral shell
Nail screws in left base shaft, is connected with the connection sheet of left back plug, is kept fixed left back plug；Right base shaft is the side of both ends open
Pipe, left side offer right notch, are connected to inside right notch and right base shaft, and extend along the length direction of right base shaft, thereafter
End is located in the middle part of right base shaft, and front end is located at right base shaft front opening, and right base shaft front end face is equipped with plug 5 before the right side, blocks up before right
Head inside is equipped with a pair of of connection sheet, and connection sheet protrudes into right base shaft, and is attached at right base shaft roof and bottom wall, right base shaft front end side
Wall is equipped with positioning screw, and positioning screw screws in right base shaft, is connected with the connection sheet of plug before the right side, and plug before the right side is made to keep solid
Fixed, right base shaft rear end face is equipped with plug 6 behind the right side, is equipped with a pair of of connection sheet behind the right side on the inside of plug, and connection sheet protrudes into right base shaft, and
It is attached at right base shaft roof and bottom wall, right base shaft rear end side wall is equipped with positioning screw, and positioning screw screws in right base shaft, with the right side
The connection sheet of plug is connected afterwards, is kept fixed plug behind the right side；
Top supporting mechanism includes left mandril 7 and right mandril 8, and left mandril is laterally arranged and is parallel to each other with right mandril, left
Mandril is located above left base shaft, and is parallel to each other with left base shaft, and left mandril is the square tube of both ends open, and left side offers a left side
It being connected to inside guide groove, left guide groove and left mandril, and extends along the length direction of left mandril, its rear end is located in the middle part of left mandril,
Front end is located at left mandril front opening, and left mandril front end face is equipped with left front sprue 9, and a pair of of switching is equipped on the inside of left front sprue
Piece, switching piece protrude into left mandril, and are attached at left mandril roof and bottom wall, and left mandril front end side wall is installed with attachment screw,
Attachment screw screws in left mandril, is connected with the switching piece of left front sprue, is kept fixed left front sprue, left mandril rear end face is set
There is left back sprue 10, a pair of of switching piece is equipped on the inside of left back sprue, switching piece protrudes into left mandril, and is attached at left mandril roof
And bottom wall, left mandril rear end side wall are equipped with attachment screw, attachment screw screws in left mandril, the switching piece phase with left back sprue
Even, it is kept fixed left back sprue；Right mandril is located above right base shaft, and is parallel to each other with right base shaft, and right mandril is opened for both ends
The square tube of mouth, right side offer right guide groove, are connected to inside right guide groove and right mandril, and prolong along the length direction of right mandril
It stretches, its rear end is located in the middle part of right mandril, and front end is located at right mandril front opening, and right mandril front end face is equipped with sprue before the right side
11, a pair of of switching piece is equipped on the inside of sprue before right, and switching piece protrudes into right mandril, and is attached at right mandril roof and bottom wall, right
Mandril front end side wall is installed with attachment screw, and attachment screw screws in right mandril, is connected with the switching piece of sprue before the right side, before making the right side
Sprue is kept fixed, and right mandril rear end face is equipped with sprue 12 behind the right side, is equipped with a pair of of switching piece behind the right side on the inside of sprue, and switching piece protrudes into
In right mandril, and it is attached at right mandril side wall and bottom wall, right mandril rear end side wall is equipped with attachment screw, and attachment screw screws in right
In mandril, it is connected with the switching piece of sprue behind the right side, is kept fixed sprue behind the right side；
Left cross bar 13 is installed on the inside of left mandril, left cross bar extends along the length direction of left mandril, and length is less than left top
The length of bar, right mandril inside are installed with right cross bar 14, and right cross bar extends along the length direction of right mandril, and length is less than right top
The length of bar, left cross bar are connected with right cross bar rear end by rear transverse rod 15, and left cross bar passes through 16 phase of front rail with right cross bar front end
Even, front rail is connected in the middle part of rear transverse rod by middle cross bar, is set on left cross bar, right cross bar, rear transverse rod, front rail and middle cross bar
There is top plate (not shown)；
Fold mechanism includes left support and right support, and left support and right support bottom end are connected with bottom supporting mechanism, top
End is connected with top supporting mechanism, and left support includes left outside strut 17 and left inside strut 18, and left outside strut bottom end is located at left base shaft
Outside, and be connected with left base shaft rear end by pin shaft, left outside strut can be rotated in left base shaft by pin shaft, left inside strut bottom end
Inside is installed with lower-left idler wheel, and lower-left idler wheel is protruded into inside left base shaft by left notch, and left inside strut bottom end can be rolled by lower-left
Wheel is moved along left notch, and left outside strut is connect in the middle part of left inside strut by swivel pin 19, and left outside strut can lead to left inside strut
Swivel pin folding is crossed, left inside strut top is located on the inside of left mandril, and is connected with left mandril rear end by pin shaft, and left inside strut can
It is rotated on left mandril by pin shaft, left outside strut top inner side is installed with upper left idler wheel, and upper left idler wheel is protruded by left guide groove
Inside left mandril, left outside strut top can be moved by upper left idler wheel along left guide groove；Right support includes in right outer strut 20 and the right side
Strut 21, whisker boom bottom end is located on the outside of right base shaft, and is connected with right base shaft rear end by pin shaft, and right outer strut can pass through pin
Axis rotates in right base shaft, is installed with bottom right idler wheel on the inside of right internal overarm support bottom end, bottom right idler wheel protrudes into right base shaft by right notch
Inside, right internal overarm support bottom end can be moved by bottom right idler wheel along right notch, pass through articulated shaft in the middle part of right outer strut and right internal overarm support
22 connections, right outer strut can be opened and closed with right internal overarm support by articulated shaft, and right internal overarm support top is located at right mandril inside, and with right top
Rod rear end is connected by pin shaft, and right internal overarm support can be rotated on right mandril by pin shaft, and right outer strut top inner side is installed with the right side
Upper roller, upper right idler wheel are protruded into inside right mandril by right guide groove, and right outer strut top can be moved by upper right idler wheel along right guide groove
It is dynamic；
Regulating mechanism includes front beam 23 and rear cross beam 24, rear cross beam both ends pass through respectively shaft be connected to left inside strut and
Right internal overarm support upper portion, front beam both ends pass through shaft respectively and are connected to left outside strut and right outer strut upper portion, preceding cross
It is parallel to each other between beam and rear cross beam, adjusting screw rod 25 is installed between front beam and rear cross beam, adjusting screw rod outer wall offers
External screw thread, right section of part of rear cross beam are installed with rear pedestal 26, and right section of part of front beam is installed with preceding pedestal 27, adjusting screw rod rear end
It protrudes into rear pedestal, rear two sides of base is installed with thrust bearing respectively, and adjusting screw rod rear end is by thrust bearing in rear pedestal
Rotation, adjusting screw rod middle part pass through from preceding pedestal, the internal screw thread being adapted to external screw thread are offered in preceding pedestal, makes adjusting screw rod
Can in preceding pedestal rotary extension, drive front beam and rear cross beam close to or far from adjusting screw rod front end is installed with crank 28.
It is connected between the bottom supporting mechanism and top supporting mechanism of the Collapsible type desk by fold mechanism, and in folding machine
Regulating mechanism is installed on structure, so that Foldable mechanism opens and closes, rises or falls top supporting mechanism, and fold mechanism can
Thoroughly deviate from from bottom supporting mechanism and top supporting mechanism, so that entire desk folds completely, convenient for adjusting as needed
Highly, and volume can be minimized in idle or storage, transport.
Embodiment of above only technical concepts and features to illustrate the invention, its object is to allow those skilled in the art
Member understands the contents of the present invention and is implemented, and it is not intended to limit the scope of the present invention, all spiritual according to the present invention
The equivalent change or modification that essence is done, should be covered by the scope of protection of the present invention.
Claims (1)
1. a kind of Collapsible type desk, including bottom supporting mechanism, fold mechanism, top supporting mechanism, regulating mechanism, fold mechanism
It is installed between bottom supporting mechanism and top supporting mechanism, bottom supporting mechanism is placed on ground, and regulating mechanism is installed in folding
In folded mechanism, by regulating mechanism Foldable mechanism action, it is characterised in that:
Bottom supporting mechanism includes left base shaft and right base shaft, and left base shaft is laterally disposed with right base shaft and is parallel to each other, and left base shaft is
The square tube of both ends open, right side offer left notch, are connected to inside left notch and left base shaft, and along the length side of left base shaft
To extension, its rear end is located in the middle part of left base shaft, and front end is located at left base shaft front opening, and left base shaft front end face is equipped with left front stifled
Head, left front plug inside are equipped with a pair of of connection sheet, and connection sheet protrudes into left base shaft, and is attached at left base shaft roof and bottom wall, left
Base shaft front end side wall is installed with positioning screw, and positioning screw screws in left base shaft, is connected with the connection sheet of left front plug, makes left front
Plug is kept fixed, and left base shaft rear end face is equipped with left back plug, and a pair of of connection sheet is equipped on the inside of left back plug, and connection sheet protrudes into a left side
In base shaft, and it is attached at left base shaft roof and bottom wall, left base shaft rear end side wall is equipped with positioning screw, and positioning screw screws in left base
In bar, it is connected with the connection sheet of left back plug, is kept fixed left back plug；Right base shaft is the square tube of both ends open, left side
Face offers right notch, is connected to inside right notch and right base shaft, and extend along the length direction of right base shaft, its rear end is located at right base
In the middle part of bar, front end is located at right base shaft front opening, and right base shaft front end face is equipped with plug before the right side, is equipped with one before the right side on the inside of plug
To connection sheet, connection sheet is protruded into right base shaft, and is attached at right base shaft roof and bottom wall, and right base shaft front end side wall is installed with positioning
Screw, positioning screw screw in right base shaft, are connected with the connection sheet of plug before the right side, are kept fixed plug before the right side, after right base shaft
End face is equipped with plug behind the right side, is equipped with a pair of of connection sheet behind the right side on the inside of plug, connection sheet protrudes into right base shaft, and is attached at right base shaft
Roof and bottom wall, right base shaft rear end side wall are equipped with positioning screw, and positioning screw screws in right base shaft, the connection with plug behind the right side
Piece is connected, and is kept fixed plug behind the right side；
Top supporting mechanism includes left mandril and right mandril, and left mandril is laterally arranged and is parallel to each other with right mandril, left mandril position
It being parallel to each other above left base shaft, and with left base shaft, left mandril is the square tube of both ends open, and left side offers left guide groove,
It is connected to inside left guide groove and left mandril, and extends along the length direction of left mandril, its rear end is located in the middle part of left mandril, front end position
At left mandril front opening, left mandril front end face is equipped with left front sprue, and a pair of of switching piece, switching piece are equipped on the inside of left front sprue
It protrudes into left mandril, and is attached at left mandril roof and bottom wall, left mandril front end side wall is installed with attachment screw, attachment screw rotation
Enter in left mandril, be connected with the switching piece of left front sprue, be kept fixed left front sprue, left mandril rear end face is equipped with left back stifled
Block, left back sprue inside are equipped with a pair of of switching piece, and switching piece protrudes into left mandril, and is attached at left mandril roof and bottom wall, left
Mandril rear end side wall is equipped with attachment screw, and attachment screw screws in left mandril, is connected with the switching piece of left back sprue, makes left back
Sprue is kept fixed；Right mandril is located above right base shaft, and is parallel to each other with right base shaft, and right mandril is the square tube of both ends open,
Its right side offers right guide groove, is connected to inside right guide groove and right mandril, and extend along the length direction of right mandril, its rear end position
In the middle part of right mandril, front end is located at right mandril front opening, and right mandril front end face is equipped with sprue before the right side, before the right side on the inside of sprue
Equipped with a pair of of switching piece, switching piece is protruded into right mandril, and is attached at right mandril roof and bottom wall, right mandril front end side wall installing
There is attachment screw, attachment screw screws in right mandril, is connected with the switching piece of sprue before the right side, is kept fixed sprue before the right side, right
Mandril rear end face is equipped with sprue behind the right side, is equipped with a pair of of switching piece behind the right side on the inside of sprue, switching piece protrudes into right mandril, and is attached at
Right mandril side wall and bottom wall, right mandril rear end side wall are equipped with attachment screw, and attachment screw screws in right mandril, with sprue behind the right side
Switching piece be connected, be kept fixed sprue behind the right side；
Left cross bar is installed on the inside of left mandril, left cross bar extends along the length direction of left mandril, and length is less than the length of left mandril
Degree, right mandril inside are installed with right cross bar, and right cross bar extends along the length direction of right mandril, and length is less than the length of right mandril
Degree, left cross bar is connected with right cross bar rear end by rear transverse rod, and left cross bar is connected with right cross bar front end by front rail, front rail and
It is connected in the middle part of rear transverse rod by middle cross bar, left cross bar, right cross bar, rear transverse rod, front rail and middle cross bar are equipped with top plate；
Fold mechanism includes left support and right support, and left support and right support bottom end are connected with bottom supporting mechanism, top with
Top supporting mechanism is connected, and left support includes left outside strut and left inside strut, and left outside strut bottom end is located on the outside of left base shaft, and with
Left base shaft rear end is connected by pin shaft, and left outside strut can be rotated in left base shaft by pin shaft, installing on the inside of left inside strut bottom end
There is lower-left idler wheel, lower-left idler wheel is protruded into inside left base shaft by left notch, and left inside strut bottom end can be by lower-left idler wheel along left slot
Mouth is mobile, and by hinged pin connection in the middle part of left outside strut and left inside strut, left outside strut can be opened with left inside strut by swivel pin
It closes, left inside strut top is located on the inside of left mandril, and is connected with left mandril rear end by pin shaft, and left inside strut can be existed by pin shaft
It being rotated on left mandril, left outside strut top inner side is installed with upper left idler wheel, and upper left idler wheel is protruded into inside left mandril by left guide groove,
Left outside strut top can be moved by upper left idler wheel along left guide groove；Right support includes right outer strut and right internal overarm support, whisker boom
Bottom end is located on the outside of right base shaft, and is connected with right base shaft rear end by pin shaft, and right outer strut can be turned in right base shaft by pin shaft
It is dynamic, it is installed with bottom right idler wheel on the inside of right internal overarm support bottom end, bottom right idler wheel is protruded into inside right base shaft by right notch, right internal overarm support bottom
End can be moved by bottom right idler wheel along right notch, by hinged axis connection in the middle part of right outer strut and right internal overarm support, right outer strut and
Right internal overarm support can be opened and closed by articulated shaft, and right internal overarm support top is located on the inside of right mandril, and pass through pin shaft phase with right mandril rear end
Even, right internal overarm support can be rotated on right mandril by pin shaft, and right outer strut top inner side is installed with upper right idler wheel, and upper right idler wheel is logical
It crosses right guide groove to protrude into inside right mandril, right outer strut top can be moved by upper right idler wheel along right guide groove；
Regulating mechanism includes front beam and rear cross beam, and rear cross beam both ends pass through shaft respectively and are connected to left inside strut and right internal overarm support
Upper portion, front beam both ends pass through shaft respectively and are connected to left outside strut and right outer strut upper portion, front beam and rear cross
It is parallel to each other between beam, adjusting screw rod is installed between front beam and rear cross beam, adjusting screw rod outer wall offers external screw thread, rear horizontal
Right section of part of beam is installed with rear pedestal, and right section of part of front beam is installed with preceding pedestal, and adjusting screw rod rear end is protruded into rear pedestal, after
Two sides of base is installed with thrust bearing respectively, and adjusting screw rod rear end is rotated in rear pedestal by thrust bearing, in adjusting screw rod
Portion is passed through from preceding pedestal, and the internal screw thread being adapted to external screw thread is offered in preceding pedestal, revolve adjusting screw rod can in preceding pedestal
Turn flexible, drives front beam and rear cross beam close to or far from adjusting screw rod front end is installed with crank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149724.7A CN109259420A (en) | 2018-09-29 | 2018-09-29 | A kind of Collapsible type desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149724.7A CN109259420A (en) | 2018-09-29 | 2018-09-29 | A kind of Collapsible type desk |
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| CN109259420A true CN109259420A (en) | 2019-01-25 |
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| CN201811149724.7A Pending CN109259420A (en) | 2018-09-29 | 2018-09-29 | A kind of Collapsible type desk |
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| CN2925215Y (en) * | 2006-07-19 | 2007-07-25 | 蒋青星 | Collapsible computer desk |
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| CN105064668A (en) * | 2015-08-14 | 2015-11-18 | 王永志 | Support device for building construction |
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| CN108224495A (en) * | 2017-12-11 | 2018-06-29 | 苏娜娜 | A kind of picnic barbecue multi-purpose type cooking stove of Portable belt |
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| CN2925215Y (en) * | 2006-07-19 | 2007-07-25 | 蒋青星 | Collapsible computer desk |
| CN101524308A (en) * | 2009-03-27 | 2009-09-09 | 南京工程学院 | Manual portable wheelchair lifting device |
| CN102499525A (en) * | 2011-10-20 | 2012-06-20 | 上海市第一中学 | Table capable of realizing multi-angle regulation |
| CN105064668A (en) * | 2015-08-14 | 2015-11-18 | 王永志 | Support device for building construction |
| CN107453275A (en) * | 2017-08-18 | 2017-12-08 | 孙文站 | One kind is used for power equipment maintenance rush repair equipment |
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Application publication date: 20190125 |