CN109892839A - Automatic-lifting type reading stand - Google Patents

Abstract

The present invention relates to automatic-lifting type reading stands, including base pinch, adjusting bracket and reading stand, base pinch is fixed on the bottom end of adjusting bracket, for adjusting bracket to be fixed on supporting object, reading stand is fixedly connected with adjusting bracket, publication is read for fixed, adjusting bracket includes outer tube, elevating lever, screw rod and driving motor, when driving motor drives screw turns, screw rod drives elevating lever to move up and down by the internal screw thread of elevating lever lower end, to realize lifting rod bracket automatic lifting, also there is a LED lamp panel on the top surface of reading stand.Automatic-lifting type reading stand of the invention has electronic adjusting bracket, and driving motor drives screw turns, and elevating lever is driven to move up and down, and realizes adjusting bracket automatic lifting.

Description

Automatic-lifting type reading stand

Technical field

Present invention relates particularly to a kind of automatic-lifting type reading stands.

Background technique

For the knowledge of continuous studying new knowledge, people need frequent read books, often held in hands in read books books or Books are placed on desk and press page turning, this reading method is very inconvenient, time-consuming and laborious.Understand when reading laborsaving by arm It lowers, permanent reading will cause cervical vertebra problem, if needing that books are taken height for a long time in order to which cervical vertebra is comfortable, being easy fatigue.

Therefore, occur some easy to read book brackets at present, such as China application CN201520372862.7 is disclosed A kind of books reading stand, the bracket include the bottom plate and turnover panel being hinged, and are hinged with bracket, bracket on the top of bottom plate In the groove being provided on bottom plate, be provided at the back side of turnover panel it is a plurality of with horizontal distribution support slot, and support slot with The free end of bracket matches, and the positive outer profile edge of turnover panel is provided with blend stop, and on two opposite sides of turnover panel It is additionally provided with the bookend controlled by torsional spring.The bracket can adjust support height in a certain range, but the bracket is only fitted It is used for being placed in horizontal table top, application range is smaller.

Summary of the invention

It is only applicable to be placed in horizontal table top to solve book bracket in the prior art and use, application range is relatively narrow The problem of, the present invention provides a kind of automatic-lifting type reading stands.The technical problem to be solved in the present invention passes through following technology Scheme is realized:

Automatic-lifting type reading stand, including base pinch, adjusting bracket and reading stand, the base pinch are fixed on adjusting bracket Bottom end, for adjusting bracket to be fixed on supporting object, the reading stand is fixedly connected with adjusting bracket, for fixing Read publication；

The adjusting bracket includes outer tube, elevating lever, screw rod and driving motor, the bottom of the outer tube and the top of base pinch Portion is fixedly connected, and the fixed bottom for being located at outer tube of driving motor, the elevating lever is vertically inserted in outer tube, the lifting The upper end of bar is connect with the Damping rotation shaft at the reading stand back side, and the lower end of elevating lever is provided with internal screw thread, the lower end of screw rod and drive The output shaft of dynamic motor is mutually fixed, and the screw rod is inserted in inside elevating lever in a tubular form, and screw rod and elevating lever lower end is interior Screw thread is located on together, and when driving motor drives screw turns, screw rod will be driven by the internal screw thread of elevating lever lower end and be risen Drop bar moves up and down, to realize adjusting bracket automatic lifting；

Also there is a LED lamp panel, LED lamp panel connects with the power supply for being mounted on the reading stand back side on the top surface of the reading stand It connects, provides light source to read.

Further, in automatic-lifting type reading stand of the present invention, the front of the reading stand is provided with touching Formula switch is touched, the contact witch and PCB driving plate, PCB touch tablet, LED lamp panel and power supply form LED illumination circuit；Institute Stating has brightness regulating circuit and power switch circuit on PCB touch tablet.

Further, it is recessed that anti-rotation is provided in automatic-lifting type reading stand of the present invention, on the inside of the outer tube Slot, the lower end outside of the elevating lever are provided with anti-rotation gag lever post, which is located in the anti-rotation groove of outer tube, prevent Only elevating lever is rotated when moving up and down with threaded together.

Further, in automatic-lifting type reading stand of the present invention, the reading stand includes reading panel, institute The middle part for reading panel is stated equipped with longitudinal groove, the bottom of the longitudinal groove is equipped with through slot, and that slides in the through slot is equipped with Slide plate, the top of the reading panel, the two sides of longitudinal groove are respectively equipped with horizontal concrete chute, and the horizontal concrete chute is interior and described It reads panel two sides and slidably connects slidable panels respectively, the left and right ends of each slidable panels are respectively equipped with clamper.

Further, in automatic-lifting type reading stand of the present invention, each clamper includes being arranged in institute The pin shaft stating a pair of of fixed plate on slidable panels and being arranged between two fixed plate, each pin shaft are each passed through one The middle part of arch-shaped pressing plate, on each arch-shaped pressing plate and far from one end bottom for reading panel and the slidable panels Upper surface between be respectively equipped with leaf spring.

Further, in automatic-lifting type reading stand of the present invention, the Damping rotation shaft includes: shaft set, sets The shaft in shaft set is set, the shaft includes the damper portion being fixed together and interconnecting piece；The shape of damper portion is Cylinder, and be threaded through in the inner hole of shaft set, the surface of damper portion is provided with a plurality of first protrusions, and the first protrusion is hindering The axial direction in Buddhist nun portion is uniformly distributed, and in an imaginary circles, which, which is greater than, turns on the top of each first protrusion The diameter of bore of axle sleeve, the material of the first protrusion are elastic material；

The axle sleeve and interconnecting piece are fixedly connected with the other end at the back side of reading stand and the second horizon bar respectively.

Beneficial effects of the present invention:

Automatic-lifting type reading stand of the invention has electronic adjusting bracket, when driving motor drives screw turns, spiral shell Bar will drive elevating lever to move up and down by the internal screw thread of elevating lever lower end, to realize adjusting bracket automatic lifting, rotate forward When be raised above, when reversion, falls downward；And then the lifting for controlling elevating lever makes adjusting bracket be in suitable height, makes to read It reads to keep suitable distance between panel and user, prevents cervical vertebra tired；Also there is LED lamp panel in this structure, abundance is provided Visual impairment when light avoids reading promotes usage comfort.

The present invention is described in further details below with reference to accompanying drawings and embodiments.

Detailed description of the invention

Fig. 1 is the overall structure diagram of automatic-lifting type reading stand.

Fig. 2 is the cross-sectional view of the adjusting bracket of automatic-lifting type reading stand.

Fig. 3 is the structural schematic diagram of the reading stand of automatic-lifting type reading stand.

Fig. 4 is the structure sectional view of Damping rotation shaft.

Fig. 5 is the viewgraph of cross-section of Damping rotation shaft.

Fig. 6 is the brightness regulating circuit figure of LED lamp panel.

In figure: 10- base pinch, 20- reading stand, 21- read panel, 22- longitudinal groove, 23- through slot, 24- slide plate, 25- horizontal concrete chute, 26- slidable panels, 271- fixed plate, 272- pin shaft, 273- arch-shaped pressing plate, 30- adjusting bracket, 31- housing Pipe, 32- elevating lever, 33- screw rod, 34- driving motor, 35- anti-rotation groove, 36- anti-rotation gag lever post, 40- motor switch, 50- resistance Buddhist nun's shaft, 51- shaft set, the shaft in 52-, 521- damper portion, 522- interconnecting piece, the first protrusion of 523-.

Specific embodiment

Reach the technical means and efficacy that predetermined purpose is taken for the present invention is further explained, below in conjunction with attached drawing and reality Example is applied to a specific embodiment of the invention, structure feature and its effect, detailed description are as follows.

In the description of the present invention, it is to be understood that, term " longitudinal direction ", " length ", " circumferential direction ", preceding ", " rear ", " left side ", The orientation or positional relationship of the instructions such as " right side ", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected or can communicate with each other；It can be directly connected, can also indirectly connected through an intermediary, it can To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art, The specific meanings of the above terms in the present invention can be understood according to specific conditions.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, such as two It is a, three etc., unless otherwise specifically defined.

Embodiment 1:

It is only applicable to be placed in horizontal table top to solve book bracket in the prior art and use, application range is relatively narrow to ask Topic, the present invention provide a kind of automatic-lifting type reading stand as depicted in figs. 1 and 2.Automatic-lifting type reading stand includes bottom Seat folder 10, adjusting bracket and reading stand 20, base pinch 10 are fixed on the bottom end of adjusting bracket, for adjusting bracket to be fixed on In supporting object, reading stand 20 is fixedly connected with adjusting bracket, reads publication for fixed.Base pinch both can choose common Common spring folder, follow-on various spring clips also can be used.The automatic-lifting type reading stand of the present embodiment has bottom Seat folder, entire bracket can be fixed on it is any clamp on object, be not limited to desktop, therefore the scope of application is more extensive.Pedestal Folder is spring clip structure, and design protection pad between two intermediate plates prevents damage clamping object.

As shown in Fig. 2, adjusting bracket 30 includes outer tube 31, elevating lever 32, screw rod 33 and driving motor 34, outer tube 31 It is fixedly connected with connecting tube 11, the fixed bottom for being located at sleeve 31 of driving motor 34, elevating lever 32 is vertically inserted in outer tube 31 Interior, the upper end of elevating lever 32 is connect with the Damping rotation shaft 50 at 20 back side of reading stand, and the lower end of elevating lever 32 is provided with internal screw thread, The lower end of screw rod 33 and the output shaft of driving motor 34 are mutually fixed, and screw rod 33 is inserted in inside elevating lever 32 in a tubular form, and with The internal screw thread of 32 lower end of elevating lever is located on together.

When driving motor 34 drives screw rod 33 to rotate, screw rod 33 will be driven by the internal screw thread of 32 lower end of elevating lever and be risen Drop bar 32 moves up and down, to realize 30 automatic lifting of adjusting bracket.

The outside of outer tube 31 is arranged in the motor switch 40 of driving motor, and motor switch 40 is that common triggering manually is opened It closes, including rotates forward switch and reversal switch, electricity is concatenated by power supply, the driving motor at drive circuit board and the reading stand back side Road circuit.Motor switch 40 controls switching on and off for the power supply of motor, controls the starting of driving motor, shuts down and rotate Direction, and then the lifting for controlling elevating lever makes adjusting bracket 30 be in different height, to meet different needs.

As improvement project, anti-rotation groove 35 is provided on the inside of outer tube 31, the lower end outside of elevating lever 32 is provided with anti- Turn gag lever post 36, which is located in the anti-rotation groove 35 of outer tube 31, prevents elevating lever 32 from moving up and down When, it is rotated together with threaded 33.

Adjusting bracket can be driven by driving motor automatic controlled height in the automatic-lifting type reading stand of the present embodiment When electric motor driven screw rotates, screw rod will drive elevating lever to move up and down by the internal screw thread of elevating lever lower end, to realize Adjusting bracket automatic lifting, when rotating forward, are raised above, when reversion, falls downward；And then the lifting for controlling elevating lever makes to adjust branch Frame is in suitable height, makes to keep suitable distance between reading panel and user, prevents cervical vertebra tired.

Also there is on the top surface of reading stand 20 LED lamp panel, LED in the automatic-lifting type reading stand of the present embodiment Lamp plate is connect with the power supply for being mounted on the reading stand back side, provides light source to read.Power supply includes charging interface and battery, electricity Source is used to power for LED lamp panel.Charging interface can be directly connected to standard household AC electrical power supply.

The front of reading stand 20 is provided with contact witch, the contact witch and PCB driving plate, PCB touch tablet, LED lamp panel and power supply form LED illumination circuit；There is brightness regulating circuit and power switch circuit on PCB touch tablet.

Fig. 6 is the brightness regulating circuit on PCB touch tablet.When finger, which pins touch electrode slice M, not to be put, the brightness of light Stepless variation gradually can be secretly carried out by bright by secretly gradually bright, after finger leaves electrode slice, lamplight brightness is fixed.Such as When short time touch, "ON", "Off" operation can be carried out, and presetting brightness can be got up by circuit memory storage.The circuit Core devices Ul is that one piece of touch adjusting light circuit SM7232, SM7232 are manufactured using advanced CM05 technique, can be in 3 ~ 12v Operating at voltages, Typical operating voltages 5V, SM7232 are that 8 foot biserials declare slotting formula plastic package structure, and the function of each foot is: 1 foot For power positive end.2 feet, 5 feet, 6 feet are all Phaseshift controlling input terminals, wherein 5 feet are touch control input terminal, hand touches signal warp Two high value resistor inputs of R5, B4, such as touch the time in 39 ~ 399ms, achievable switch lamp；As the touch time is greater than 399 Ms (about 0.4 second), it is achievable to turn on light or dim；If pinned touch piece M for a long time, lamplight brightness is automatically by secretly gradually bright and by bright It is gradually dark；It looses one's grip when thinking suitable, brightness is fixed；As long as such as to turn off the light of short duration touch (less than 0.4 second), then short Temporarily touching (0.4 second) can turn on light again, and keep the brightness set up originally.6 foot functions are similar to 5 feet, only internal not to different Logic circuit when being mainly used for far distance control, is not easy to form malfunction because of interference.4 feet are the synchronous input of supply frequency End is generated the most phase reference of output trigger pulse by interior army L locking as phase-shift circuit and brightness memory circuit.3 feet are The low-pass filtering capacitor of internal PLL is external.7 feet are power supply negative terminal.8 feet (OUT) are trigger pulse output end.

Under foregoing circuit control, hand is pressed on contact witch when use, when can carry out brightness regulation, and turn on light again, It can be with the lamplight brightness of automatic Memory last time.

The automatic-lifting type reading stand of the present embodiment can easily adjust the brightness of LED lamp panel by soft-touch control, And the brightness that can remember last adjustment provides visual impairment when sufficient light avoids reading, promotes usage comfort.

As shown in figure 3, reading stand 20 includes reading panel 21, the middle part for reading panel 21 is equipped with longitudinal groove 22, indulges It is equipped with through slot 23 to the bottom of groove 22, that slides in through slot 23 is equipped with slide plate 24, reads top, the longitudinal groove 22 of panel 21 Two sides be respectively equipped with horizontal concrete chute 25, slidably connect slidable panels respectively in horizontal concrete chute 25 and reading 21 two sides of panel 26, the left and right ends of each slidable panels 26 are respectively equipped with clamper.

Each clamper include a pair of of fixed plate 271 for being arranged on slidable panels 26 and setting two fixed plates 271 it Between pin shaft 272, each pin shaft 272 is each passed through the middle part of an arch-shaped pressing plate 273, on each arch-shaped pressing plate 273 and separate It reads and is respectively equipped with leaf spring between one end bottom of panel 21 and the upper surface of slidable panels 26.

As shown in Figure 4 and Figure 5, Damping rotation shaft 50 includes: the shaft 52 that shaft covers 51, is arranged in shaft set 51, shaft 52 include the damper portion 521 being fixed together and interconnecting piece 522；The shape of damper portion 521 is cylinder, and is threaded through In the inner hole of shaft set 51, the surface of damper portion 521 is provided with a plurality of first protrusions 523, and the first protrusion 523 is in damper portion 521 axial direction is uniformly distributed, and in an imaginary circles, which is greater than shaft on the top of each first protrusion 523 The diameter of bore of set 51, the material of the first protrusion 523 are elastic material.

Axle sleeve and interconnecting piece are fixedly connected with the other end at the back side of reading stand and the second horizon bar respectively.Rotation is read The rotation in shaft covers of panel shaft, after reaching suitable position, the first protrusion covers resilient clamp by shaft, so as to so as to read Panel is kept in the position.

It is connected at the top of bracket 2 and interconnecting piece 522, bracket 2 drives shaft 52 to rotate by interconnecting piece 522, wherein damping effect Fruit is generated by the own resilient of the first protrusion 523, and in the present embodiment, the first protrusion 523 uses ABS plastic, but is not limited to This, can also be using other elastic materials such as polyurethane, rubber.First protrusion 523 and damper portion 521 can using just as material Matter is integrally formed production, can also be made and is integrally formed by way of injection molding or others of different materials, damper portion 521 Production can also be integrally formed using identical material with interconnecting piece 522, can also be made respectively of different materials, then It is fixed together for example, by bonding or other achievable modes that are fixedly connected.

It is needed during the inner hole that damper portion 521 is installed to shaft set 51 in advance to the first raised 523 applications effect Power makes it generate elastic deformation, and the vertical range on the vertex and 521 axis of damper portion that make the first protrusion 523 is less than shaft set 51 Inner hole radius, just can guarantee, by damper portion 521 be successfully installed to shaft set 51 inner hole in.It is used in the present embodiment Be provided with the cylinder shape groove coaxial with damper portion 521 on the end face of damper portion 521, the first protrusion 523 be internally provided with The deformation space of the connection of cylinder shape groove.Damper portion 521 and the first protrusion 523 in this way becomes hollow structure, makes the first protrusion Active force required for 523 flexible deformation becomes very low, is conducive to the installation of damper portion 521.

Automatic-lifting type reading stand use process is as follows:

Reading stand is clamped in table edge or other supporters by pressing base pinch, then opens motor switch, motor switch control The power supply of motor processed switches on and off, and controls the starting of driving motor, shuts down and rotation direction, when driving motor drives When screw rod rotates, screw rod will drive elevating lever to move up and down by the internal screw thread of elevating lever lower end, to realize adjusting bracket Automatic lifting makes adjusting bracket be in different height.

The spine of books is placed in longitudinal groove, pushes slidable panels that the clamper on slidable panels is made to reach books Books are fixed on clamper and are read on panel by edge, and books bottom contacts slide plate, stablize books.

User adjusts the tilt angle for reading panel, and Damping rotation shaft rotates and stop at suitable position, and manual palpation is read The positive soft-touch control of bracket is read, by the brightness regulation of LED lamp panel to most suitable brightness, so that it may start to read a book, liberate Both hands, and be conducive to alleviate shoulder neck fatigue.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention Protection scope.

Claims (6)

1. automatic-lifting type reading stand, which is characterized in that including base pinch, adjusting bracket and reading stand, the base pinch It is fixed on the bottom end of adjusting bracket, for adjusting bracket to be clamped in supporting object, the reading stand and adjusting bracket Top is fixedly connected, and reads publication for fixed；

The adjusting bracket includes outer tube, elevating lever, screw rod and driving motor, the bottom of the outer tube and the top of base pinch Portion is fixedly connected, and the fixed bottom for being located at outer tube of driving motor, the elevating lever is vertically inserted in outer tube, the lifting The upper end of bar is connect with the Damping rotation shaft at the reading stand back side, and the lower end of elevating lever is provided with internal screw thread, the lower end of screw rod and drive The output shaft of dynamic motor is mutually fixed, and the screw rod is inserted in inside elevating lever in a tubular form, and screw rod and elevating lever lower end is interior Screw thread is located on together, and when driving motor drives screw turns, screw rod will be driven by the internal screw thread of elevating lever lower end and be risen Drop bar moves up and down, to realize adjusting bracket automatic lifting；

Also there is a LED lamp panel, LED lamp panel connects with the power supply for being mounted on the reading stand back side on the top surface of the reading stand It connects, provides light source to read.

2. automatic-lifting type reading stand according to claim 1, which is characterized in that the front of the reading stand 20 is set It is equipped with contact witch, the contact witch and PCB driving plate, PCB touch tablet, LED lamp panel and power supply composition LED illumination electricity Road；There is brightness regulating circuit and power switch circuit on the PCB touch tablet.

3. automatic-lifting type reading stand according to claim 1, which is characterized in that be provided on the inside of the outer tube anti- Turn groove, the lower end outside of the elevating lever is provided with anti-rotation gag lever post, which is located at the anti-rotation groove of outer tube It is interior, it prevents elevating lever when moving up and down, is rotated together with threaded.

4. automatic-lifting type reading stand according to claim 3, which is characterized in that the reading stand includes reading face Plate, the middle part for reading panel are equipped with longitudinal groove, and the bottom of the longitudinal groove is equipped with through slot, slides in the through slot Equipped with slide plate, it is described read the top of panel, the two sides of longitudinal groove are respectively equipped with horizontal concrete chute, in the horizontal concrete chute and The reading panel two sides slidably connect slidable panels respectively, and the left and right ends of each slidable panels are respectively equipped with clamping Device.

5. automatic-lifting type reading stand according to claim 3, which is characterized in that each clamper includes setting In a pair of of fixed plate on the slidable panels and the pin shaft being arranged between two fixed plates, each pin shaft is worn respectively The middle part of an arch-shaped pressing plate is crossed, on each arch-shaped pressing plate and far from one end bottom for reading panel and the sliding Leaf spring is respectively equipped between the upper surface of panel.

6. automatic-lifting type reading stand according to claim 3, which is characterized in that the Damping rotation shaft includes: shaft The shaft for covering, being arranged in shaft set, the shaft includes the damper portion being fixed together and interconnecting piece；

The shape of damper portion is cylinder, and is threaded through in the inner hole of shaft set, and the surface of damper portion is provided with a plurality of the One protrusion, the first protrusion are uniformly distributed in the axial direction of damper portion, and the top of each first protrusion is somebody's turn to do in an imaginary circles Virtual diameter of a circle is greater than the diameter of bore of shaft set, and the material of the first protrusion is elastic material；

The axle sleeve and interconnecting piece are fixedly connected with the other end at the back side of reading stand and the second horizon bar respectively.