CN210329835U - Folding double-clamping-groove lifting desk and chair - Google Patents
Folding double-clamping-groove lifting desk and chair Download PDFInfo
- Publication number
- CN210329835U CN210329835U CN201920290416.XU CN201920290416U CN210329835U CN 210329835 U CN210329835 U CN 210329835U CN 201920290416 U CN201920290416 U CN 201920290416U CN 210329835 U CN210329835 U CN 210329835U
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- chair
- desktop
- clamping
- rod
- connecting rod
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Abstract
The utility model discloses a folding double-groove lift desk chair, including base, desktop, fixed plate and seat, the front side of base is provided with the carousel, and the outside of carousel is connected with the stay wire pearl, the right-hand fixed disk of installing of stay wire pearl, the rear side of carousel is connected with the worm, and the outside of worm is connected with the worm wheel, the inside of worm wheel runs through there is the lead screw, and the outside of lead screw is provided with the carriage release lever, the top of carriage release lever is connected with connecting rod and gag lever post, and the upper end of connecting rod is provided with the pivot, the outside in the pivot is installed to the desktop. This folding double-groove lift desk chair is provided with connecting rod and gag lever post, and desktop accessible pivot is rotatory in the connecting rod outside, realizes the folding rotation of desktop, is provided with the cardboard in the fixed plate that the gag lever post upper end is connected, can load and unload fixed plate and desktop through the position that removes the cardboard, uses through the cooperation of connecting rod and gag lever post to fix spacing and folding placing the desktop.
Description
Technical Field
The utility model relates to a relevant technical field of class seat specifically is a folding double-slot lift desk chair.
Background
The desk and chair is a desk and chair used by students in class and is one of main auxiliary tools for the students to study, the height of the desk and chair is inconvenient to adjust and hold by the students in the existing desk and chair in the using process, the height of the desk and chair is inconvenient to adjust and hold, the desk and chair is inconvenient to fold and store, and the occupied space is large when the desk and chair is stored and placed.
Therefore, a foldable double-clamping-groove lifting desk and chair is provided so as to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a folding double-slot lift desk chair to solve the in-process that current desk chair student was inconvenient using on the current market that above-mentioned background art provided and highly adjust the desk chair, and the problem of the seat of just not being convenient for fold and deposit of class.
In order to achieve the above object, the utility model provides a following technical scheme: a folding double-clamping-groove lifting desk and chair comprises a base, a desktop, a fixing plate and a chair surface, wherein a turntable is arranged on the front side of the base, a pull wire bead is connected to the outer side of the turntable, a fixing disc is installed on the right side of the pull wire bead, a worm is connected to the rear side of the turntable, a worm wheel is connected to the outer side of the worm, a lead screw penetrates through the inner part of the worm wheel, a moving rod is arranged on the outer side of the lead screw, a connecting rod and a limiting rod are connected to the upper side of the moving rod, a rotating shaft is arranged at the upper end of the connecting rod, the desktop is installed on the outer side of the rotating shaft, a groove is formed in the front side of the left side of the desktop, a clamping plate is arranged in the groove, a fixing rod is connected to the front side of the clamping plate, springs are arranged on the left side and, the slide is installed in the outside of mount pad, and the top of mount pad is provided with the lifter, the upside at the lifter is installed to the seat, and the right-hand back of the chair that is provided with of seat.
Preferably, the stay wire bead is connected with the rotary disc and the fixed disc in a clamping manner, and the fixed disc is connected with the base in a welding manner.
Preferably, the number of the worm gears is 2 about the central axis of the table top, the inner parts of the 2 worm gears are all connected with a screw rod in a welding mode, and the screw rod is in threaded connection with the moving rod.
Preferably, the connecting rod and the limiting rod form a rotating mechanism with the moving rod, and an included angle between the connecting rod and the limiting rod is 90 degrees.
Preferably, the cardboard and the dead lever constitute "worker" font structure, and the cardboard is the block with desktop and fixed plate and is connected to the cardboard passes through the spring and constitutes elastic construction with the fixed plate.
Preferably, the installation bases are connected with the bases in a sliding mode through sliding plates and sliding rails, and the distance between the 2 installation bases is smaller than the distance between the 2 bases.
Compared with the prior art, the beneficial effects of the utility model are that: the folding double-clamping groove lifting desk and chair,
(1) the desk is provided with a stay wire bead, a turntable and a screw rod, the stay wire bead can be pulled to drive the turntable to rotate, the turntable drives a worm to rotate, the worm drives the screw rod to rotate through a worm wheel, the screw rod drives a movable rod to move, the height of the desktop can be adjusted through the movement of the movable rod, a user can adjust the height of the desktop in use through the design of the stay wire bead, the height of the desk can be conveniently adjusted according to the height of a desk and a chair, and the practicability of the device is improved;
(2) the folding table top is provided with a connecting rod and a limiting rod, the table top can rotate outside the connecting rod through a rotating shaft to realize folding rotation of the table top, a clamping plate is arranged in a fixed plate connected with the upper end of the limiting rod, the fixed plate and the table top can be assembled and disassembled by moving the position of the clamping plate, and the table top can be fixedly limited and folded through the matching use of the connecting rod and the limiting rod;
(3) the opposite sides of base and mount pad are provided with slide rail and slide respectively, can push into the below of desktop with the table chair through slide and slide rail, and rotatory the back of the chair to laminating with the desktop, reduce the whole area of class seat, and can splice each other between the class seat and link to each other, and the table chair of being convenient for is deposited.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a schematic view of the connecting structure of the tabletop and the fixing plate;
fig. 4 is a schematic side view of the mounting seat of the present invention;
FIG. 5 is a schematic view of the connection structure of the base and the mounting base of the present invention;
fig. 6 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
fig. 7 is an enlarged schematic structural diagram of the point B in fig. 1 according to the present invention.
In the figure: 1. a base; 2. a turntable; 3. a pull bead; 4. fixing the disc; 5. a worm; 6. a worm gear; 7. a screw rod; 8. a travel bar; 9. a connecting rod; 10. a limiting rod; 11. a rotating shaft; 12. a desktop; 13. a fixing plate; 14. clamping a plate; 15. fixing the rod; 16. a spring; 17. a groove; 18. a mounting seat; 19. a slide plate; 20. a lifting rod; 21. a chair surface; 22. a chair back; 23. a slide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a folding double-clamping-groove lifting desk and chair comprises a base 1, a rotary table 2, a pull wire bead 3, a fixed disc 4, a worm 5, a worm wheel 6, a screw rod 7, a moving rod 8, a connecting rod 9, a limiting rod 10, a rotating shaft 11, a desktop 12, a fixed plate 13, a clamping plate 14, a fixed rod 15, a spring 16, a groove 17, a mounting seat 18, a sliding plate 19, a lifting rod 20, a chair seat 21, a chair back 22 and a sliding rail 23, wherein the rotary table 2 is arranged on the front side of the base 1, the outer side of the rotary table 2 is connected with the pull wire bead 3, the fixed disc 4 is arranged on the right side of the pull wire bead 3, the worm 5 is connected on the rear side of the rotary table 2, the worm wheel 6 is connected on the outer side of the worm 5, the screw rod 7 penetrates through the worm wheel 6, the moving rod 8 is arranged on the outer side of the screw rod 7, the connecting rod 9 and the, a groove 17 is formed in the front side of the left side of the desktop 12, a clamping plate 14 is arranged inside the groove 17, a fixing rod 15 is connected to the front side of the clamping plate 14, springs 16 are arranged on the left side and the right side of the fixing rod 15, the fixing plate 13 is installed on the front side of the desktop 12, a sliding rail 23 is arranged on the outer side of the base 1, an installation seat 18 is arranged on the right side of the base 1, a sliding plate 19 is installed on the outer side of the installation seat 18, a lifting rod 20 is arranged above the installation seat 18, a chair surface 21 is installed on the upper side of the lifting rod 20, and a chair back 22 is arranged.
In this embodiment, the pull string bead 3, the rotary disc 2 and the fixed disc 4 are connected in a clamping manner, the fixed disc 4 and the base 1 are connected in a welding manner, the rotary disc 2 is driven to rotate by pulling the pull string bead 3, so that the worm 5 can be driven to rotate, the pull string bead 3 can be clamped and limited by the fixed disc 4, and the whole device can be fixed.
The worm wheel 6 is provided with 2 about the central axis symmetry of desktop 12, and the equal welded connection in inside of 2 worm wheels 6 has lead screw 7 to lead screw 7 and carriage release lever 8 are threaded connection, can drive 2 carriage release levers 8 through lead screw 7 simultaneously through the rotation of 2 worm wheels 6 and move up, and the carriage release lever 8 of being convenient for drives desktop 12 and steadily moves up.
Connecting rod 9 and gag lever post 10 all constitute slewing mechanism with carriage release lever 8, and the contained angle between connecting rod 9 and the gag lever post 10 is 90, through the cooperation of connecting rod 9 and gag lever post 10, is convenient for advance shape rotatory folding to desktop 12 through connecting rod 9, and can fix desktop 12 through gag lever post 10.
The clamping plate 14 and the fixing rod 15 form an I-shaped structure, the clamping plate 14, the tabletop 12 and the fixing plate 13 are connected in a clamping mode, the clamping plate 14 and the fixing plate 13 form an elastic structure through a spring 16, and the fixing plate 13 and the tabletop 12 can be assembled and disassembled through the position of the moving clamping plate 14.
The mounting seat 18 is connected with the base 1 in a sliding mode through the sliding plate 19 and the sliding rail 23, and the distance between the 2 mounting seats 18 is smaller than the distance between the 2 bases 1, so that the desk and the chair can be conveniently folded together, the whole occupied area of the desk and the chair is reduced, and the desk and the chair can be conveniently placed.
The working principle is as follows: when the folding double-clamping-groove lifting desk and chair is used, firstly, a user stably places the whole device in a working area, moves the chair surface 21 upwards through the lifting rod 20 according to the figure 1, adjusts the overall height of the chair to adapt to the height of the user for use, meanwhile, the chair back 22 can be rotated, the chair back 22 rotates on the chair surface 21 through the rotating shaft 11 connected inside, the angle between the chair back 22 and the chair surface 21 is adjusted, and then the chair back 22 and the lifting rod 20 are fixed through bolts, so that the desk and chair can be used.
According to the drawings 1-2 and 7, the right end of the stay wire ball 3 is detached from the fixed disk 4, a user can pull the stay wire ball 3 manually, the stay wire ball 3 drives the rotary disk 2 to rotate clockwise, the rotary disk 2 drives the worm 5 to rotate, the worm 5 drives the screw rod 7 to rotate through the worm wheel 6, the screw rod 7 drives the moving rod 8 to move upwards, so that the desktop 12 is driven to move upwards, the height of the whole desk is adjusted, the user can adjust the height of the desk to a proper position according to the self use habit, the stay wire ball 3 is clamped to the outer side of the fixed disk 4, and the whole device is fixed.
When the school desks and chairs are required to be placed, the height of the school chairs is adjusted to be the lowest according to the steps, the clamping plate 14 is pulled forwards according to the steps shown in figures 1, 3 and 6, the clamping plate 14 is disconnected with the groove 17, the fixing plate 13 is disconnected with the table top 12, the table top 12 is rotated, the table top 12 can rotate on the outer side of the connecting rod 9 through the rotating shaft 11 to fold the table top 12, the limiting rod 10 and the connecting rod 9 rotate on the outer side of the moving rod 8, the limiting rod 10, the connecting rod 9 and the table top 12 are in the same vertical plane, the sliding plate 19 on the outer side of the mounting seat 18 slides into the sliding rail 23 to push the chair surface 21 into the lower part of the table top 12, the chair back 22 rotates to be attached to the table top 12, the whole floor area of the school chairs is reduced, the school chairs can be spliced and connected with each other, and the school chairs are convenient to be stored, the above is the working process of the whole device, and what is not described in detail in this specification is the prior art known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a folding double cassette groove lift desk chair, includes base (1), desktop (12), fixed plate (13) and seat (21), its characterized in that: the front side of the base (1) is provided with a turntable (2), the outer side of the turntable (2) is connected with a pull wire bead (3), the right side of the pull wire bead (3) is provided with a fixed disc (4), the rear side of the turntable (2) is connected with a worm (5), the outer side of the worm (5) is connected with a worm wheel (6), a lead screw (7) penetrates through the inside of the worm wheel (6), the outer side of the lead screw (7) is provided with a moving rod (8), the upper side of the moving rod (8) is connected with a connecting rod (9) and a limiting rod (10), the upper end of the connecting rod (9) is provided with a rotating shaft (11), the desktop (12) is arranged on the outer side of the rotating shaft (11), the front side of the left side of the desktop (12) is provided with a groove (17), the inside of the groove (17) is provided with a clamping plate (14), and, the utility model discloses a chair, including dead lever (15), fixed rod (13), slide (19), slide (20), seat (21), dead lever (15), fixed rod (13), fixed rod (15) all are provided with spring (16) in the left and right sides, the front side in desktop (12) is installed in fixed plate (13), the outside of base (1) is provided with slide rail (23), and the right-hand mount pad (18) that is provided with of base (1), slide (19) are installed in the outside of mount pad (18), and the top of mount pad (18) is provided with lifter (20), the upside in lifter (20) is installed in seat (21), and the right-hand back.
2. The folding double-clamping-groove lifting desk and chair as claimed in claim 1, wherein: the stay wire bead (3) is connected with the rotary disc (2) and the fixed disc (4) in a clamping manner, and the fixed disc (4) is connected with the base (1) in a welding manner.
3. The folding double-clamping-groove lifting desk and chair as claimed in claim 1, wherein: the central axis symmetry of worm wheel (6) about desktop (12) is provided with 2, and the inside equal welded connection of 2 worm wheel (6) has lead screw (7) to lead screw (7) are threaded connection with carriage release lever (8).
4. The folding double-clamping-groove lifting desk and chair as claimed in claim 1, wherein: connecting rod (9) and gag lever post (10) all constitute slewing mechanism with carriage release lever (8), and the contained angle between connecting rod (9) and gag lever post (10) is 90.
5. The folding double-clamping-groove lifting desk and chair as claimed in claim 1, wherein: the clamping plate (14) and the fixing rod (15) form an I-shaped structure, the clamping plate (14), the tabletop (12) and the fixing plate (13) are connected in a clamping mode, and the clamping plate (14) and the fixing plate (13) form an elastic structure through a spring (16).
6. The folding double-clamping-groove lifting desk and chair as claimed in claim 1, wherein: the installation seats (18) are connected with the bases (1) in a sliding mode through sliding plates (19) and sliding rails (23), and the distance between the 2 installation seats (18) is smaller than the distance between the 2 bases (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290416.XU CN210329835U (en) | 2019-03-08 | 2019-03-08 | Folding double-clamping-groove lifting desk and chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290416.XU CN210329835U (en) | 2019-03-08 | 2019-03-08 | Folding double-clamping-groove lifting desk and chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210329835U true CN210329835U (en) | 2020-04-17 |
Family
ID=70173669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920290416.XU Expired - Fee Related CN210329835U (en) | 2019-03-08 | 2019-03-08 | Folding double-clamping-groove lifting desk and chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210329835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112716155A (en) * | 2020-12-30 | 2021-04-30 | 安徽亚凡科教设备有限公司 | Desk and chair convenient to fold |
-
2019
- 2019-03-08 CN CN201920290416.XU patent/CN210329835U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112716155A (en) * | 2020-12-30 | 2021-04-30 | 安徽亚凡科教设备有限公司 | Desk and chair convenient to fold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |