CN111227542B

CN111227542B - Combined type reading table chair deformation mechanism based on library's intelligence is read

Info

Publication number: CN111227542B
Application number: CN202010160827.4A
Authority: CN
Inventors: 雷天锋; 雷宁泽; 雷鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2021-05-18
Anticipated expiration: 2040-03-10
Also published as: CN111227542A

Abstract

The invention discloses a composite reading table and chair deformation mechanism based on library intelligent reading, which comprises a backup plate and self-locking wheels, wherein the bottom end of the backup plate is movably connected with a fixing device, the bottom end of the fixing device is internally connected with a connecting device, the left side of the fixing device is hinged with a second connecting rod, the central position of the second connecting rod is hinged with a first connecting rod, the bottom end of the first connecting rod is hinged with a base, extending devices are arranged on two sides of the base, and the self-locking wheels are fixed on two sides of the bottom end of the base. The novel book reading device is provided with the backup plate and the fixing device, when the novel book reading device is contracted, the fixing device can be directly used as a seat, the backup plate can be used as a backrest, the novel book reading device is convenient to use in a position with a small area, meanwhile, the extending device is unfolded when the backup plate is pressed downwards, a user can conveniently sit and read a book, noise generated by operation of the novel book reading device is effectively reduced through the use of the ball group, and the novel book reading device is convenient to use in a quiet place such as a library.

Description

Combined type reading table chair deformation mechanism based on library's intelligence is read

Technical Field

The invention relates to the technical field of table and chair deformation, in particular to a combined type reading table and chair deformation mechanism based on library intelligent reading.

Background

With the development of society and the popularization of library intelligent reading, the existing tables and chairs in a library are more in types, and most of the existing tables and chairs are non-deformable tables and chairs with fixed forms.

The prior patent numbers: CN201410463519.3 discloses a multi-functional disjunctor formula combination warp table chair, includes nine and be the module of 3 x 3 arrangement, and each module mainly comprises T type returning face plate, rotation mechanism and table leg spare part, and mainly adopts the pin joint form of easy dismouting. The T-shaped turnover plate is turned around the table leg parts, so that mutual deformation of the table tops and the seats of the modules in a mode can be realized, the T-shaped turnover plate rotates along with the rotary mechanism, the orientation of the seats of the modules can be changed, meanwhile, the table leg parts connected with the modules are stretched and translated, and the relative space change of the modules can be realized, and the invention has the following effects that: one set of table chair, can be according to using number and demand, directly carry out the structure transform to each module, realize multiple different functions, and simultaneously, this table chair is rational in infrastructure, the operation is simple, be convenient for installation and dismantlement, be favorable to reducing the shared space of storage or transportation, but the single-person operation of above-mentioned patent is inconvenient, it is very loaded down with trivial details to warp the operation, and need very big operating space, the operation can produce great sound inconvenience and be used for the place that library is quiet like this in addition, consequently, need a combined type reading table chair deformation mechanism based on library's intelligent reading to solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to provide a combined type reading table and chair deformation mechanism based on library intelligent reading, and aims to solve the problem of complex operation in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a combined type reading table chair deformation mechanism based on library's intelligence is read, includes backup plate and auto-lock wheel, the bottom swing joint of backup plate has fixing device, and fixing device's bottom internal connection has connecting device, fixing device's left side articulates there is the second connecting rod, and the central point of second connecting rod puts the department and articulates there is the head rod, the bottom of head rod articulates there is the base, and the both sides of base install extension device, the bottom both sides of base are fixed with the auto-lock wheel.

Preferably, fixing device includes backup pad, first gear, extends table, second gear, screw rod, slider, strutting arrangement, fixed plate, first rack and fixed spout, the screw rod is installed through the bearing frame on the inside right side of backup pad, and the left side fixed surface of screw rod has first gear, the second gear has been cup jointed on the left side surface of screw rod, the surperficial swing joint of screw rod has the slider, and the inside of slider articulates there is the head rod, the bottom mounting of backup pad has the fixed plate, and the fixed surface of fixed plate installs fixed spout, the inside of fixed spout is inserted and is equipped with first rack, and the left side of first rack is fixed with strutting arrangement, strutting arrangement's top fixedly connected with extends the table.

Preferably, the extension tables are provided with two groups, and the extension tables are in a semicircular structure.

Preferably, a cavity is formed in the sliding block, and an internal thread matched with the external thread on the surface of the screw rod is arranged on the inner wall of the cavity.

Preferably, the back of the first rack is inserted into the fixed sliding groove, and the first rack and the fixed sliding groove form a sliding structure.

Preferably, strutting arrangement includes first connecting plate, bolt, dead lever, hinge bar, second connecting plate and spring, there is an extension table on the top of first connecting plate through bolt fixed mounting, the even articulated hinge bar that has in bottom of first connecting plate, and the bottom of hinge bar articulates there is the second connecting plate, the fixed surface of first connecting plate has the dead lever, and the fixed surface of dead lever is connected with the spring.

Preferably, the connecting device comprises a spring telescopic rod, a ratchet wheel, a third gear and a fourth gear, the ratchet wheel is fixedly connected to the top end of the spring telescopic rod, the third gear is arranged below the ratchet wheel, and the fourth gear is fixedly sleeved on the surface of the bottom end of the spring telescopic rod.

Preferably, the extension device comprises a third connecting plate, a seat, a third connecting rod, a second rack, a ball group and a fourth connecting plate, the third connecting plate is close to the seat fixedly connected to one side of the base, the seat is close to the second rack fixedly connected to one side of the connecting device, the ball group is fixed to the bottom end of the second rack, and the fourth connecting plate is sleeved on the surface of the second rack.

Preferably, grooves are formed in two sides of the backup plate, tooth blocks are uniformly fixed on the inner wall of each groove, and the tooth blocks on the inner wall of the backup plate are meshed with the surface of the second gear.

Compared with the prior art, the invention has the beneficial effects that: the combined type reading table and chair deformation mechanism based on library intelligent reading is provided with a backup plate and a fixing device, when the device is contracted, the fixing device can be directly used as a seat, the backup plate can be used as a backrest, the seat is convenient to use at a position with a small area, the device is convenient to integrally move through the self-locking wheels and integrally fix the position, the device is convenient to move, the backup plate is pressed downwards, the extension table is unfolded through the connection of a series of parts, and the extension table can be directly used for reading books, meanwhile, the extension device is unfolded when the back plate is pressed downwards, the extension device is convenient for a user to read by sitting, the extension device and the extension table can be directly pushed and pulled to contract when not used, the whole operation of the device is simple, the deformation is simple and rapid, a large operation space is not needed, and effectively reduce the noise that the device operation produced through the use of ball group, conveniently be used for the place of library like this silence.

Drawings

FIG. 1 is a schematic sectional elevation view of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic front sectional view of the extension device and extension table of the present invention in an extended configuration;

FIG. 4 is a schematic front view of the support device of the present invention;

FIG. 5 is a schematic front view of the support device of the present invention in its deployed configuration;

FIG. 6 is a schematic side view of the backup plate structure of the present invention;

FIG. 7 is a schematic top cross-sectional view of the extension table and third gear arrangement of the present invention;

FIG. 8 is a top cross-sectional view of a third web and seat structure of the present invention.

In the figure: 1. a backup plate; 2. a fixing device; 21. a support plate; 22. a first gear; 23. an extension table; 24. a second gear; 25. a screw; 26. a slider; 27. a support device; 271. a first connecting plate; 272. a bolt; 273. fixing the rod; 274. a hinged lever; 275. a second connecting plate; 276. a spring; 28. a fixing plate; 29. a first rack; 210. fixing the chute; 3. a connecting device; 31. a spring telescopic rod; 32. a ratchet wheel; 33. a third gear; 34. a fourth gear; 4. a first connecting rod; 5. a second connecting rod; 6. an extension device; 61. a third connecting plate; 62. a seat; 63. a third connecting rod; 64. a second rack; 65. a ball group; 66. a fourth connecting plate; 7. a base; 8. self-locking wheels.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, an embodiment 1 according to the present invention: a combined type reading table and chair deformation mechanism based on library intelligent reading comprises a backup plate 1 and self-locking wheels 8, wherein the bottom end of the backup plate 1 is movably connected with a fixing device 2, grooves are formed in two sides of the backup plate 1, tooth blocks are uniformly fixed on the inner walls of the grooves, the tooth blocks on the inner walls of the backup plate 1 are meshed with the surface of a second gear 24, the fixing device 2 comprises a supporting plate 21, a first gear 22, an extension table 23, the second gear 24, a screw 25, a sliding block 26, a supporting device 27, a fixing plate 28, a first rack 29 and a fixing sliding groove 210, the screw 25 is installed on the right side inside the supporting plate 21 through a bearing seat, the first gear 22 is fixed on the left side surface of the screw 25, the second gear 24 is sleeved on the left side surface of the screw 25, the sliding block 26 is movably connected on the surface of the screw 25, a cavity is formed inside the sliding block 26, and the inner wall of the, the screw 25 can drive the sliding block 26 to slide, thereby facilitating the lifting of the support plate 21.

The inside of slider 26 articulates there is first connecting rod 4, the bottom mounting of support plate 21 has fixed plate 28, and the fixed surface mounting of fixed plate 28 has fixed spout 210, the inside of fixed spout 210 is inserted and is equipped with first rack 29, and the left side of first rack 29 is fixed with strutting arrangement 27, strutting arrangement 27 includes first connecting plate 271, bolt 272, dead lever 273, hinge rod 274, second connecting plate 275 and spring 276, there is extension table 23 on the top of first connecting plate 271 through bolt 272 fixed mounting, the even articulated hinge rod 274 that has in bottom of first connecting plate 271, and the bottom of hinge rod 274 articulates there is second connecting plate 275.

The fixed surface of first connecting plate 271 has dead lever 273, and the fixed surface of dead lever 273 is connected with spring 276, the inside of establishing at fixed spout 210 is inserted at the back of first rack 29, first rack 29 constitutes sliding type structure with fixed spout 210, first rack 29 slides to one side of keeping away from backup plate 1 and makes extension table 23 expand, the area of increase backup pad 21, strutting arrangement 27's top fixedly connected with extends table 23, it is provided with two sets ofly to extend table 23, and it is semi-circular structure to extend table 23, it is fit for more people to expand to extend table 23 to use, the availability factor of device has been improved, the bottom internal connection of fixing device 2 has connecting device 3.

The connecting device 3 comprises a spring telescopic rod 31, a ratchet wheel 32, a third gear 33 and a fourth gear 34, the ratchet wheel 32 is fixedly connected to the top end of the spring telescopic rod 31, the third gear 33 is arranged below the ratchet wheel 32, the fourth gear 34 is fixedly sleeved on the bottom end surface of the spring telescopic rod 31, the second connecting rod 5 is hinged to the left side of the fixing device 2, the first connecting rod 4 is hinged to the center position of the second connecting rod 5, the base 7 is hinged to the bottom end of the first connecting rod 4, the extending devices 6 are installed on two sides of the base 7, each extending device 6 comprises a third connecting plate 61, a seat 62, a third connecting rod 63, a second rack 64, a ball group 65 and a fourth connecting plate 66, the seat 62 is fixedly connected to one side of the third connecting plate 61 close to the base 7, the second rack 64 is fixedly connected to one side of the seat 62 close to the connecting device 3, and the ball group 65 is fixed, the surface of the second rack 64 is sleeved with a fourth connecting plate 66, and self-locking wheels 8 are fixed on two sides of the bottom end of the base 7.

Example 2: a combined type reading table and chair deformation mechanism based on library intelligent reading comprises a backup plate 1 and self-locking wheels 8, wherein the bottom end of the backup plate 1 is movably connected with a fixing device 2, grooves are formed in two sides of the backup plate 1, tooth blocks are uniformly fixed on the inner walls of the grooves, the tooth blocks on the inner walls of the backup plate 1 are meshed with the surface of a second gear 24, the backup plate 1 moves downwards to conveniently drive the second gear 24 to rotate, the fixing device 2 comprises a supporting plate 21, a first gear 22, an extension table 23, the second gear 24, a screw 25, a sliding block 26, a supporting device 27, a fixing plate 28, a first rack 29 and a fixing sliding groove 210, the screw 25 is installed on the right side inside the supporting plate 21 through a bearing seat, the first gear 22 is fixed on the surface of the left side of the screw 25, the second gear 24 is sleeved on the surface of the left side of the screw 25, the sliding block 26 is movably connected on the surface of, and the inner wall of the cavity is provided with an internal thread matched with the external thread on the surface of the screw 25, and the screw 25 rotates to drive the sliding block 26 to slide, so that the supporting plate 21 is convenient to lift.

The inside of the sliding block 26 is hinged with a first connecting rod 4, the bottom end of the supporting plate 21 is fixed with a fixing plate 28, the surface of the fixing plate 28 is fixedly provided with a fixing chute 210, the inside of the fixing chute 210 is smooth and is convenient for the sliding of the first rack 29, the bottom end of the first rack 29 is fixed with another group of ball groups 65, the sliding noise of the first rack 29 is effectively reduced, the inside of the fixing chute 210 is inserted with the first rack 29, the left side of the first rack 29 is fixed with a supporting device 27, the supporting device 27 comprises a first connecting plate 271, a bolt 272, a fixing rod 273, a hinged rod 274, a second connecting plate 275 and a spring 276, the top end of the first connecting plate 271 is fixedly provided with an extension table 23 through the bolt 272, the bottom end of the first connecting plate 271 is uniformly hinged with hinged rods 274, the hinged rods 274 are provided with three groups, the bottom end of the hinged rod 274 is hinged with a, and the surface of the fixed rod 273 is fixedly connected with the spring 276, the elastic force of the spring 276 can effectively support the first connecting plate 271, the back of the first rack 29 is inserted into the fixed chute 210, the first rack 29 and the fixed chute 210 form a sliding structure, the first rack 29 slides to one side far away from the backup plate 1 to expand the extension table 23, and the area of the supporting plate 21 is increased.

The top end of the supporting device 27 is fixedly connected with an extension table 23, two groups of extension tables 23 are arranged, and extend table 23 and be semi-circular structure, it is fit for more people to expand to extend table 23 and use, the availability factor of device has been improved, fixing device 2's bottom internal connection has connecting device 3, connecting device 3 includes spring telescopic link 31, ratchet 32, third gear 33 and fourth gear 34, the top fixedly connected with ratchet 32 of spring telescopic link 31, spring telescopic link 31 is prior art, spring telescopic link 31 can stretch out and draw back, the inside at base 7 is inserted to the bottom of spring telescopic link 31, it rotates to be convenient for spring telescopic link 31, ratchet 32's below is provided with third gear 33, the fixed cover in bottom surface of spring telescopic link 31 has been connected with fourth gear 34, fixing device 2's left side articulates there is second connecting rod 5, and the central point department of second connecting rod 5 articulates there is first connecting rod 4.

The bottom of head rod 4 articulates there is base 7, and extension device 6 is installed to the both sides of base 7, extension device 6 includes third connecting plate 61, seat 62, third connecting rod 63, the second rack 64, ball group 65 and fourth connecting plate 66, one side fixedly connected with seat 62 that third connecting plate 61 is close to base 7, third connecting plate 61 plays the effect of connecting, and third connecting plate 61 can be regarded as the back of the chair and use, seat 62 is close to one side fixedly connected with second rack 64 of connecting device 3, the bottom mounting of second rack 64 has ball group 65, fourth connecting plate 66 has been cup jointed on the surface of second rack 64, the bottom both sides of base 7 are fixed with auto-lock wheel 8, thereby auto-lock wheel 8 can auto-lock fixed position, auto-lock wheel 8 is prior art.

The working principle is as follows: when the device contracts, daily use is the state of figure 2, fixing device 2 can directly use as seat 62, backup plate 1 uses as the back, the device is convenient to use in the less position of area, the device is convenient for whole removal to suitable position through auto-lock wheel 8 and is used, when the device needs to expand the use, backup plate 1 is moved to the downward pressure, the tooth piece through backup plate 1 inner wall meshes with the surface of second gear 24 mutually, backup plate 1 drives second gear 24 and screw rod 25 and rotates, screw rod 25 rotates and makes slider 26 move to the left side of screw rod 25, fixing device 2's height risees, convenience of customers sits and sees the book.

Meanwhile, the screw 25 drives the first gear 22 to rotate, the first gear 22 drives the ratchet 32, the spring telescopic rod 31 and the fourth gear 34 to rotate simultaneously, the third gear 33 is meshed with the first rack 29, the third gear 33 drives the two groups of supporting devices 27 to move towards one side far away from the backup plate 1, the first rack 29 slides in the fixed sliding groove 210, the noise and the friction force of the first rack 29 are effectively reduced when the first rack 29 slides through the other group of ball groups 65, the extension table 23 continuously extends out of the bottom end of the supporting plate 21, when the extension table 23 completely moves out of the bottom end of the supporting plate 21, the extension table 23 is lifted upwards, as shown in fig. 3, the edge of the extension table 23 is abutted against the edge of the supporting plate 21, the extension table 23 enables the extension table 23 to have larger supporting force through the elastic force of the spring 276, and the extension table 23 is convenient to be directly used for reading.

When backup plate 1 pushes down, fourth gear 34 rotates and drives second rack 64 to the one side removal of keeping away from base 7, third connecting plate 61 expandes in the outside of base 7, and third connecting rod 63 is taken out to the outside of base 7, second rack 64 and third connecting rod 63 play the effect of support to seat 62, seat 62 person of facilitating the use sits and reads, the device expandes to the state of figure 3, backup plate 1 can use as the baffle, do not influence both sides personnel to use, when need not use seat 62 and extension table 23, seat 62 can directly push-and-pull the shrink with extending table 23, it is rotatory not to drive first gear 22 through the rotatory connecting device 3 that does not drive of ratchet 32, do not influence backup plate 1 and use.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a combined type reading table chair deformation mechanism based on library's intelligence is read, includes backup plate (1) and auto-lock wheel (8), its characterized in that: the bottom end of the backup plate (1) is movably connected with a fixing device (2), a connecting device (3) is connected inside the bottom end of the fixing device (2), the left side of the fixing device (2) is hinged with a second connecting rod (5), the center position of the second connecting rod (5) is hinged with a first connecting rod (4), the bottom end of the first connecting rod (4) is hinged with a base (7), extending devices (6) are installed on two sides of the base (7), and self-locking wheels (8) are fixed on two sides of the bottom end of the base (7);

the fixing device (2) comprises a supporting plate (21), a first gear (22), an extension table (23), a second gear (24), a screw rod (25), a sliding block (26), a supporting device (27), a fixing plate (28), a first rack (29) and a fixed sliding groove (210), the screw rod (25) is installed on the right side of the inside of the supporting plate (21) through a bearing seat, the first gear (22) is fixed on the surface of the left side of the screw rod (25), the second gear (24) is sleeved on the surface of the left side of the screw rod (25), the sliding block (26) is movably connected on the surface of the screw rod (25), the first connecting rod (4) is hinged inside the sliding block (26), the fixing plate (28) is fixed at the bottom end of the supporting plate (21), the fixed sliding groove (210) is fixedly installed on the surface of the fixing plate (28), the first rack (29) is inserted inside the fixed, a supporting device (27) is fixed on the left side of the first rack (29), and the top end of the supporting device (27) is fixedly connected with an extension table (23);

the connecting device (3) comprises a spring telescopic rod (31), a ratchet wheel (32), a third gear (33) and a fourth gear (34), the ratchet wheel (32) is fixedly connected to the top end of the spring telescopic rod (31), the third gear (33) is arranged below the ratchet wheel (32), and the surface of the bottom end of the spring telescopic rod (31) is fixedly sleeved with the fourth gear (34);

the extension device (6) comprises a third connecting plate (61), a seat (62), a third connecting rod (63), a second rack (64), a ball group (65) and a fourth connecting plate (66), wherein the seat (62) is fixedly connected to one side, close to the base (7), of the third connecting plate (61), the second rack (64) is fixedly connected to one side, close to the connecting device (3), of the seat (62), the ball group (65) is fixed to the bottom end of the second rack (64), and the fourth connecting plate (66) is sleeved on the surface of the second rack (64);

grooves are formed in the two sides of the backup plate (1), tooth blocks are uniformly fixed on the inner walls of the grooves, and the tooth blocks on the inner walls of the backup plate (1) are meshed with the surface of the second gear (24);

the ratchet wheel (32) is meshed with the first gear (22), and the third gear (33) is meshed with the first rack (29); the fourth gear (34) is engaged with the second rack (64).

2. The combined type reading table and chair deformation mechanism based on library intelligent reading of claim 1, wherein: the extension table (23) is provided with two groups, and the extension table (23) is of a semicircular structure.

3. The combined type reading table and chair deformation mechanism based on library intelligent reading of claim 1, wherein: a cavity is formed in the sliding block (26), and an internal thread matched with the external thread on the surface of the screw rod (25) is arranged on the inner wall of the cavity.

4. The combined type reading table and chair deformation mechanism based on library intelligent reading of claim 1, wherein: the back of the first rack (29) is inserted into the fixed sliding groove (210), and the first rack (29) and the fixed sliding groove (210) form a sliding structure.

5. The combined type reading table and chair deformation mechanism based on library intelligent reading of claim 1, wherein: the supporting device (27) comprises a first connecting plate (271), a bolt (272), a fixing rod (273), an articulated rod (274), a second connecting plate (275) and a spring (276), wherein the top end of the first connecting plate (271) is fixedly provided with an extension table (23) through the bolt (272), the bottom end of the first connecting plate (271) is evenly hinged with the articulated rod (274), the bottom end of the articulated rod (274) is hinged with the second connecting plate (275), the surface of the first connecting plate (271) is fixed with the fixing rod (273), and the surface of the fixing rod (273) is fixedly connected with the spring (276).