CN114145562A - Mortise and tenon type movable lifting device - Google Patents
Mortise and tenon type movable lifting device Download PDFInfo
- Publication number
- CN114145562A CN114145562A CN202111573016.8A CN202111573016A CN114145562A CN 114145562 A CN114145562 A CN 114145562A CN 202111573016 A CN202111573016 A CN 202111573016A CN 114145562 A CN114145562 A CN 114145562A
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- China
- Prior art keywords
- mortise
- guide
- lifting device
- frame
- translation mechanism
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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
- A47B9/00—Tables with tops of variable height
-
- 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
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
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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
- A47B2220/00—General furniture construction, e.g. fittings
- A47B2220/0091—Electronic or electric devices
Landscapes
- Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of mechanical devices, in particular to a mortise and tenon type movable lifting device; comprises a frame, a lifting translation mechanism, a guide piece and a motor; the frame comprises a left beam, a right beam, a front beam and a rear beam which are processed by aluminum alloy sections with the same cross section; the left beam, the front beam, the rear beam and the right beam are fixedly connected in a mortise and tenon mode; the lifting translation mechanism is erected on the frame along the front-back direction, and the motor drives the lifting translation mechanism to slide left and right and lift; according to the invention, the motor drives the lifting translation mechanism to move left and right, and the inverted Z-shaped guide hole is formed in the sliding plate of the lifting translation mechanism and guides the mounting seat to ascend and descend, so that the cover plate is automatically opened and hidden.
Description
Technical Field
The invention relates to the technical field of mechanical devices, in particular to a mortise and tenon type movable lifting device.
Background
In life, many articles need to be partially opened in some occasions; in other cases it is desirable to recover it. Such as dining tables in restaurants, conference tables for conference rooms in companies, tea tables, etc.
Taking a dining table as an example, most of the existing restaurants simultaneously provide a plurality of dining modes such as cooking and hot pot. The existing dining table is generally provided with a square or round through hole on a table, and a cover plate is covered on the through hole. When a customer needs to eat a hot pot, a waiter uncovers the cover plate covering the through hole to expose the chafing dish stove arranged below the dining table for the use of the customer. In other occasions, the cover plate is covered to be used as a common dining table.
The same applies to conference tables used by companies. Some conference tables hide the projector below the conference table, open a through-hole on the mesa directly over the projector, when will use the projector, lift the apron on the through-hole manually, start the lift translation mechanism who places the projector, then the projector rises for using from the mesa.
The invention patent of china patent No. 201821443767.1 provides a hidden lifting tea table, which comprises a tea table main body, a tea tray and a lifting translation mechanism. When the tea table is used, the cover plate on the table top can be opened, so that the tea tray is lifted out of the upper end surface of the tea table main body through the lifting translation mechanism; when not in use, the tea tray can retract into the tea table main body through the lifting translation mechanism and is covered with the cover plate.
The cover plate is arranged on the through holes of the table tops of the various tables, so that the table tops of the tables are flat under most conditions, and the purposes of attractiveness, elegance and convenience in cleaning are achieved.
However, the cover plate is manually removed without any exception. This structure has the following disadvantages:
1. the cover plate needs to be opened manually, so that the operation is complicated;
2. the science and technology is not strong, and the product is low-end.
Disclosure of Invention
The invention aims to provide a mortise and tenon type movable lifting device which can automatically and quickly open a cover plate and automatically hide the cover plate.
In order to achieve the functions, the technical scheme provided by the invention is as follows:
a mortise and tenon type mobile lifting device comprises a frame, a lifting translation mechanism, a guide piece and a motor;
the frame comprises a left beam, a right beam, a front beam and a rear beam which are processed by aluminum alloy sections with the same cross section; the left beam, the front beam, the rear beam and the right beam are fixedly connected in a mortise and tenon mode;
the lifting translation mechanism is erected on the frame along the front-back direction, and the motor drives the lifting translation mechanism to slide left and right;
the lifting translation mechanism comprises an installation seat and 2 sliding plates, wherein the 2 sliding plates are respectively arranged on the front side surface and the rear side surface of the installation seat, each sliding plate is provided with more than 2 inverted Z-shaped guide holes, the side surface of the installation seat is provided with guide columns matched with the guide holes, and the guide columns can slide along the guide holes;
the guide piece is fixedly arranged on the frame, a guide part is arranged on the guide piece, and 1 guide column penetrates through the guide hole and can move up and down along the guide part.
Preferably, a C-shaped clamping groove is formed in one surface of the aluminum alloy section; the opening of the C-shaped clamping groove of the front beam faces backwards, and the opening of the C-shaped clamping groove of the rear beam faces forwards;
the sliding plates are provided with sliding grooves or rolling wheels matched with the C-shaped clamping grooves, and the 2 sliding plates are respectively matched with the C-shaped clamping grooves of the front beam and the rear beam.
Preferably, a clamping plate and a clamping groove are arranged in the cavity of the aluminum alloy section, and the width of the clamping groove is slightly smaller than the thickness of the clamping plate.
Preferably, the frame is provided with a winding mechanism, the winding mechanism comprises a driven wheel and a winding wheel which are rotatably arranged at the left end and the right end of the frame, and the winding wheel is connected with the motor and driven by the motor to rotate; the driven wheel and the winding wheel are sleeved with steel wires; the sliding plate is connected with the steel wire.
Preferably, the number of the winding mechanisms is 2, and the 2 winding mechanisms are respectively arranged on the front beam and the rear beam and are respectively connected with the two sliding plates of the lifting translation mechanism;
2 winding mechanism 2 the reel fixed mounting is on the connecting rod around, the connecting rod is by motor drive rotates.
Preferably, the mortise type mobile lifting device further comprises 2 micro switches, and the two micro switches are fixedly installed on the left side and the right side of the frame respectively.
Preferably, the number of the lifting translation mechanisms is 2, and the 2 lifting translation mechanisms are respectively arranged at the left end and the right end of the frame and slide oppositely.
Preferably, the guide portion is a guide groove or a guide hole.
Preferably, the openings of the C-shaped clamping grooves of the left beam and the right beam face upwards
The invention has the beneficial effects that:
1. the lifting translation mechanism is driven by a motor to move left and right;
2. the installation seat is arranged on the table platform, and the lifting translation mechanism is arranged on the table platform; when the desk is lifted, the cover plate can seal the through hole on the desk platform; after descending, the cover plate is driven to move left and right to hide the cover plate below the table, so that the cover plate is automatically opened and hidden.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment;
FIG. 2 is a cross-sectional view of an aluminum alloy profile;
FIG. 3 is a schematic structural view of a left beam;
FIG. 4 is a schematic structural view of a back beam;
FIG. 5 is a schematic structural view of the elevating translation mechanism;
FIG. 6 is a schematic view of the guide;
FIG. 7 is a schematic view of the connection of two winding wheels to a motor;
FIG. 8 is a schematic structural view of the first embodiment of the present invention after the mounting base is lifted;
FIG. 9 is a schematic structural view of the second embodiment;
FIG. 10 is a schematic structural view of the third embodiment;
fig. 11 is a schematic view of the structure of the mounting rail.
Detailed Description
The invention will be further elucidated with reference to the accompanying figures 1 to 11:
the first embodiment is as follows:
as shown in fig. 1 and 8, the mortise and tenon type mobile lifting device comprises a frame 1, a lifting translation mechanism 2, a guide piece 3 and a motor 4; the lifting translation mechanism 2 is erected on the frame 1 along the front-back direction, and the lifting translation mechanism 2 is driven by the motor 4 to slide left and right. The frame 1 is square in whole and comprises a front beam 11, a rear beam 12, a left beam 13 and a right beam 14. The front beam 11, the rear beam 12, the left beam 13 and the right beam 14 are made of aluminum alloy sections with the same cross section. Fig. 2 is a cross-sectional view of an aluminum alloy profile, wherein a clamping plate 201 and a clamping groove 200 are arranged in a cavity of the aluminum alloy profile, and the width of the clamping groove 200 is slightly smaller than the thickness of the clamping plate 201, so that the clamping plate 201 and the clamping groove 200 are in interference fit; the upper surface of the aluminum alloy section is provided with a C-shaped clamping groove 202.
The left beam 13, the front beam 11, the rear beam 12 and the right beam 14 are fixedly connected in a mortise and tenon mode sequentially. Since the front beam 11 and the rear beam 12 are mirror images, and the left beam 13 and the right beam 14 are mirror images, the connection of the frame 1 will be described below with the tenon-and-mortise connection of the left beam 13 and the rear beam 12.
As shown in fig. 3, a mortise 131 is formed by machining the right side surface of the left beam 13, and a fastening plate 201 is provided in the mortise 131. As shown in fig. 4, the left side of the back beam 12 is machined to form a tenon 121, and a portion of the clamping plate 201 is removed from the tenon 121, leaving a portion of the clamping groove 200. During assembly, the C-shaped slot 202 of the left beam 13 faces upward, the back beam 12 rotates 90 degrees counterclockwise to make the opening of the C-shaped slot 202 facing forward, and then the tenon 121 of the back beam 12 is aligned with the mortise 131 of the left beam 13 for mortise jointing, so that the clamping plate 201 in the mortise 131 is clamped into the slot 200 of the tenon 121. In this embodiment, because this product fore-and-aft direction is not atress and cardboard 201 is interference fit with draw-in groove 200 when using, so left beam 13 and back beam 12 can be fixed connection reliably, and this embodiment has improved the packaging efficiency of product owing to adopt the connected mode of tenon fourth of twelve earthly branches. It should be noted that in other occasions, if the front and back direction of the frame 1 is stressed during use, the connection position can be reinforced by welding or self-tapping screw connection.
As shown in fig. 5, each lifting and translating mechanism 2 includes a mounting base 21 and 2 sliding plates 22, and the two sliding plates 22 are respectively disposed on the front and rear side surfaces of the mounting base 21. The slide plate 22 is provided with more than 2 inverted "Z" shaped guide holes 221, in the embodiment, the number of the guide holes 221 is 2, and the number of the guide holes 221 can be increased correspondingly according to the area and the weight of the cover plate. The side of the mounting seat 21 is provided with a guide pillar 211 matched with the guide hole 221, and the guide pillar 211 is a cylinder capable of sliding along the guide hole 221.
As shown in fig. 1, the guide 3 is fixedly mounted on the frame 1. As shown in fig. 6, the guide member 3 is provided with a guide portion 31, and in the present embodiment, the guide portion 31 is a rectangular hole, but the guide portion 31 may be a rectangular groove as needed. As shown in fig. 2, the length of 1 of the plurality of guide posts 211 is longer than the length of the other guide posts 211. The reason for this is that after the guide posts 211 having a long length pass through the guide holes 221 of the slide plate 22, the guide portions 31 of the guide members 3 are required to be engaged with the guide portions 31 and move up and down along the guide portions 31, and the other guide posts 211 are only required to be engaged with the guide holes 221. In the present embodiment, the guide post 211 located at the right portion is longer than that located at the left portion.
As shown in fig. 5, 2 sliding plates 22 are fitted into C-shaped catching grooves 202 of the front beam 11 and the rear beam 12, respectively. In this embodiment, the slide plate 22 is provided with a slide slot 222 which is engaged with the guide rail 15. In order to make the sliding plate 22 more stable during sliding, in the present embodiment, the sliding grooves 222 are respectively opened on the upper surface and the lower surface of the sliding plate 22. In practical use, the sliding groove 222 can be replaced by a roller or the like.
As shown in fig. 1, the front beam 11 and the rear beam 12 of the frame 1 are respectively provided with a winding mechanism, and the winding mechanism includes driven wheels 5 and winding wheels 6 rotatably provided at the left and right ends of the frame 1. In the present embodiment, taking the winding mechanism mounted on the back beam 12 as an example for explanation, the driven wheel 5 is rotatably connected through a bearing mounted in the back beam 12, and the winding wheel 6 is connected with the motor 4 through the reduction box 7 and is driven by the motor 4 to rotate; the driven wheel 5 and the winding wheel 6 are sleeved with steel wires 8; both ends of the steel wire 8 are respectively fixed on the winding wheel 6. For the sake of distinction, we refer to the steel wire 8 above and below the driven wheel 5 as an upper steel wire 81 and a lower steel wire 82, respectively. The sliding plate 22 is fixedly connected with an upper wire 81 or a lower wire 82. It should be noted that the two sliding plates 22 on the same lifting and translating mechanism 2 are respectively and fixedly connected to the upper steel wire 81 or the lower steel wire 82 of the steel wire 8 on the front beam 11 and the rear beam 12, and the two sliding plates 22 on the same lifting and translating mechanism 2 can only be connected to the upper steel wire 81 or the lower steel wire 82 at the same time, in this embodiment, the sliding plates 22 are fixedly connected to the upper steel wire 81.
As shown in fig. 7, the front and rear winding wheels 6 are respectively and fixedly mounted on the front and rear ends of the connecting rod 9, and the connecting rod 9 is driven by the motor 4 to rotate, so that the motor 4 synchronously drives the two winding wheels 6 to rotate at the same time.
As shown in fig. 1, the present invention further includes 2 micro switches 10, the two micro switches 10 are respectively and fixedly installed at the left and right sides below the back beam 12 of the frame 1, when the elevation translation mechanism 2 moves to the leftmost end or the rightmost end, the trigger 223 fixed at the bottom of the sliding plate 22 will trigger the micro switches 10 located at the left side or the right side of the frame 1, respectively, so as to stop the rotation of the motor 4 and prevent the elevation translation mechanism 2 from further moving.
The working process of the invention is as follows:
starting the motor 4, when the motor 4 rotates forwards, the steel wire 8 drives the lifting translation mechanism 2 to move leftwards at the moment, and the mounting base 21 moves leftwards at the moment; when the guide post 211 with the longest length moves to the guide portion 31 of the guide member 3 and is blocked by the left side surface of the rectangular hole and cannot move leftward, although the sliding plate 22 of the elevation and translation mechanism 2 moves leftward, the mounting base 21 moves upward slowly along the inverted "Z" -shaped guide hole 221 of the sliding plate 22 under the guide of the guide post 211, after the upward movement is finished, the guide post 211 of the mounting base 21 falls on the platform above the inverted "Z" -shaped guide hole 221, the elevation and translation mechanism 2 triggers the micro switch 10 located on the left side, the motor 4 stops rotating, and at this time, the mounting base 21 completes leftward movement and upward movement. When the mounting base 21 is lowered and moved rightwards, only the motor 4 needs to be started to rotate reversely, and during the process of rotating reversely the motor 4, the movement of the mounting base 21 is opposite to that during the forward rotation of the motor 4, and the description is omitted.
Example two:
as shown in fig. 9, the structure of the present embodiment is substantially the same as that of the first embodiment, except that in the present embodiment, the number of the elevation/translation mechanisms 2 is 2, and the 2 elevation/translation mechanisms 2 are respectively provided at the left and right ends of the frame 1 and slide toward each other.
In order to realize the opposite sliding of the two elevating and translating mechanisms 2, the sliding plate 22 of the elevating and translating mechanism 2 on the left side is fixedly connected with the lower steel wire 82, and the sliding plate 22 of the elevating and translating mechanism 2 on the right side is fixedly connected with the upper steel wire 81.
Example three:
as shown in fig. 10, the present embodiment provides an office table, which includes a table 100 and table legs 101, wherein the table 100 is provided with an opening, the office table further includes a cover plate and the above-mentioned mortise and tenon type mobile lifting device 20. Two mounting rails are parallelly arranged on the left side and the right side of the opening on the lower surface of the table. As shown in fig. 11, the mounting rail is screwed to the back of the table 100 by a self-acting screw through a threaded through hole 300 on the mounting rail, the cross section of the mounting rail is in a "convex" shape, and the mounting rail is matched with the C-shaped slots 202 on the left beam 13 and the right beam 14 through the protruding parts of the mounting rail. During installation, the mortise-tenon type movable lifting device 20 is pushed into the two installation rails, self-tapping screws are screwed in the front and back of the installation rails to prevent the mortise-tenon type movable lifting device 20 from slipping off, so that the mortise-tenon type movable lifting device is fixedly installed on the lower surface of the table 100, and the cover plate 1001 is fixedly installed on the installation base 21. The cover plate 1001 has the same shape as the opening and is slightly smaller than the opening so that the cover plate 1001 can pass through the opening and cover the opening. The desk of this embodiment can be used in conjunction with a lifting table, and when in use, the lifting table (not shown) is placed right below the opening of the desk 100, and a projector can be mounted on the lifting table.
During use, the cover plate 1001 may be moved directly under the opening and raised such that the upper surface of the cover plate 1001 is flush with the upper surface of the table 100; the cover 1001 may also be lowered and moved left or right to hide under the table 100 to expose the opening, at which time the lift platform under the opening raises the projector onto the table 100 for use.
Claims (9)
1. The utility model provides a lifting device is removed to mortise type which characterized in that: comprises a frame, a lifting translation mechanism, a guide piece and a motor;
the frame comprises a left beam, a right beam, a front beam and a rear beam which are processed by aluminum alloy sections with the same cross section; the left beam, the front beam, the rear beam and the right beam are fixedly connected in a mortise and tenon mode;
the lifting translation mechanism is erected on the frame along the front-back direction, and the motor drives the lifting translation mechanism to slide left and right;
the lifting translation mechanism comprises an installation seat and 2 sliding plates, wherein the 2 sliding plates are respectively arranged on the front side surface and the rear side surface of the installation seat, each sliding plate is provided with more than 2 inverted Z-shaped guide holes, the side surface of the installation seat is provided with guide columns matched with the guide holes, and the guide columns can slide along the guide holes;
the guide piece is fixedly arranged on the frame, a guide part is arranged on the guide piece, and 1 guide column penetrates through the guide hole and can move up and down along the guide part.
2. The mortise and tenon type mobile lifting device according to claim 1, wherein: a C-shaped clamping groove is formed in one surface of the aluminum alloy section; the opening of the C-shaped clamping groove of the front beam faces backwards, and the opening of the C-shaped clamping groove of the rear beam faces forwards;
the sliding plates are provided with sliding grooves or rolling wheels matched with the C-shaped clamping grooves, and the 2 sliding plates are respectively matched with the C-shaped clamping grooves of the front beam and the rear beam.
3. The mortise and tenon type mobile lifting device according to claim 1, wherein: a clamping plate and a clamping groove are arranged in a cavity of the aluminum alloy section, and the width of the clamping groove is slightly smaller than the thickness of the clamping plate.
4. The mortise and tenon type mobile lifting device according to claim 1, wherein: the winding mechanism comprises driven wheels and winding wheels which are rotatably arranged at the left end and the right end of the frame, and the winding wheels are connected with the motor and driven by the motor to rotate; the driven wheel and the winding wheel are sleeved with steel wires; the sliding plate is connected with the steel wire.
5. The mortise and tenon type mobile lifting device according to claim 4, wherein: the number of the winding mechanisms is 2, and the 2 sets of winding mechanisms are respectively arranged on the front beam and the rear beam and are respectively connected with the two sliding plates of the lifting translation mechanism;
2 winding mechanism 2 the reel fixed mounting is on the connecting rod around, the connecting rod is by motor drive rotates.
6. The mortise and tenon type mobile lifting device according to any one of claims 1 to 5, wherein: the mortise and tenon type movable lifting device further comprises 2 micro switches, and the two micro switches are fixedly installed on the left side and the right side of the frame respectively.
7. The mortise and tenon type mobile lifting device according to any one of claims 1 to 5, wherein: the number of the lifting translation mechanisms is 2, and the 2 lifting translation mechanisms are respectively arranged at the left end and the right end of the frame and slide oppositely.
8. The mortise and tenon type mobile lifting device according to any one of claims 1 to 5, wherein: the guide part is a guide groove or a guide hole.
9. The mortise and tenon type mobile lifting device according to claim 8, wherein: the openings of the C-shaped clamping grooves of the left beam and the right beam face upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111573016.8A CN114145562B (en) | 2021-12-21 | 2021-12-21 | Mortise and tenon type movable lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111573016.8A CN114145562B (en) | 2021-12-21 | 2021-12-21 | Mortise and tenon type movable lifting device |
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| Publication Number | Publication Date |
|---|---|
| CN114145562A true CN114145562A (en) | 2022-03-08 |
| CN114145562B CN114145562B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111573016.8A Active CN114145562B (en) | 2021-12-21 | 2021-12-21 | Mortise and tenon type movable lifting device |
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| CN212938681U (en) * | 2020-06-19 | 2021-04-13 | 惠州家因美家具有限公司 | Warm tea intelligence dining table of lift type electricity |
| CN112317913A (en) * | 2020-10-29 | 2021-02-05 | 义乌良霖贸易有限公司 | Be used for hidden fixing device of circuit board welding of being convenient for |
| CN214207535U (en) * | 2020-11-17 | 2021-09-17 | 唐校英 | Automatic lifting slide rail of extension table |
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| CN114145562B (en) | 2022-11-11 |
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