CN215837687U - Manual book pressing device and reading bookshelf - Google Patents

Abstract

The utility model provides a manual book pressing device and a reading bookshelf, wherein the manual book pressing device comprises a pressure lever assembly and a pressure lever adjusting structure connected with the pressure lever assembly; the pressure lever assembly comprises a pressure lever positioned in front of the bracket; the pressure lever adjusting structure is connected to the rear side of the bracket; the pressure lever assembly is connected with the pressure lever adjusting structure in a sliding manner along the front-back direction of the bracket; the pressure lever adjusting structure comprises a shell, an adjusting component and an adjusting rope, wherein the adjusting component and the adjusting rope are arranged in the shell; one end of the adjusting rope is fixedly connected with the pressure lever assembly, and the other end of the adjusting rope is fixedly connected with the adjusting assembly; and the adjusting rope is wound on the outer side of the adjusting component. According to the manual book pressing device provided by the utility model, the length of the part, which is not wound by the adjusting rope, is adjusted through the adjusting component, so that the position of the pressure lever component connected with the adjusting rope is changed along with the adjusting component, the distance between the pressure lever and the bracket is adjusted, and the application range of the manual book pressing device is favorably expanded.

Description

Manual book pressing device and reading bookshelf

Technical Field

The utility model relates to the technical field of learning tools, in particular to a manual book clamping device and a reading bookshelf.

Background

The reading bookshelf is a device for supporting and fixing books to assist readers in reading. A reading bookshelf generally includes a bracket for supporting a book and a book pressing device for fixing the opened book.

The existing book pressing devices in the reading bookshelf are mostly of pressing strips or pressing plates which are rotatably connected with a bracket, and the opened book pages are clamped by placing the opened book pages on the bracket and rotating the pressing strips or the pressing plates to place the pressing strips or the pressing plates on the opened book pages; however, the distance between the pressing strip or the pressing plate and the bracket is fixed, so that the pressing strip or the pressing plate can only have a good clamping effect on books with the thickness within a certain range, and can not stably clamp the excessively thick or thin books, so that the book pressing device is difficult to be suitable for clamping the books with different thicknesses, and the application range is limited.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem that the application range of the book pressing device is limited.

In order to solve the problems, the utility model provides a manual book pressing device, which comprises a pressure lever assembly and a pressure lever adjusting structure connected with the pressure lever assembly; wherein the content of the first and second substances,

the compression bar assembly comprises a compression bar positioned in front of the bracket;

the pressure lever adjusting structure is connected to the rear side of the bracket;

the pressure lever assembly is connected with the pressure lever adjusting structure in a sliding manner along the front-back direction of the bracket;

the compression bar adjusting structure comprises a shell, an adjusting component and an adjusting rope, wherein the adjusting component and the adjusting rope are arranged in the shell;

one end of the adjusting rope is fixedly connected with the pressure lever assembly, and the other end of the adjusting rope is fixedly connected with the adjusting assembly; the adjusting rope is wound on the outer side of the adjusting component;

the length of the adjusting rope wound on the outer side of the adjusting component is adjusted through the adjusting component, and the adjustment of the distance between the pressing rod and the bracket is achieved.

Optionally, the adjusting assembly comprises a rotating shaft assembly and a rotating shaft sleeve assembly sleeved outside the rotating shaft assembly; the adjusting rope is wound on the outer side of the rotating shaft sleeve component; the rotating shaft sleeve assembly comprises a ratchet ring, a tooth structure is arranged on the inner side of the ratchet ring, the rotating shaft assembly comprises at least one pawl, and the pawl is suitable for being matched with the tooth structure so as to realize connection and loosening of the rotating shaft assembly and the rotating shaft sleeve assembly.

Optionally, the rotating shaft assembly further includes a rotating shaft, a non-return shaft disposed opposite to the rotating shaft, a first connecting end connected to the rotating shaft, and a second connecting end connected to the non-return shaft; the pawl is movably connected with the first connecting end and is rotatably connected with the second connecting end; the position of the pawl is adjusted by rotating the rotating shaft, and the engagement and the release of the pawl and the tooth structure are realized.

Optionally, a first pin shaft is arranged on the pawl, a waist hole matched with the first pin shaft is arranged on the first connecting end, the waist hole is of an arc-shaped structure and is circumferentially distributed on the first connecting end, and the first pin shaft is suitable for being matched with the waist hole so as to realize movable connection between the pawl and the first connecting end; and a second pin shaft is arranged on the second connecting end, and the pawl is rotatably connected with the second connecting end through the second pin shaft.

Optionally, the rotating shaft sleeve assembly further comprises a rotating shaft sleeve sleeved outside the rotating shaft, and a non-return shaft sleeve sleeved outside the non-return shaft; the rotating shaft sleeve is rotatably connected with the rotating shaft, the non-return shaft sleeve is rotatably connected with the non-return shaft, and the rotating shaft sleeve and the non-return shaft sleeve are both connected with the ratchet ring.

Optionally, the number of the adjusting ropes is two, and the two adjusting ropes are respectively wound on the outer sides of the rotating shaft sleeve and the non-return shaft sleeve; the outer sides of the rotating shaft sleeve and the non-return shaft sleeve are provided with spiral grooves matched with the adjusting rope.

Optionally, the second connection end further includes a second connection sleeve sleeved outside the non-return shaft, the non-return shaft is sleeved outside the second connection sleeve, and damping oil is filled between the non-return shaft and the second connection sleeve.

Optionally, the rotating shaft assembly further comprises a one-way bearing, and the non-return shaft is connected with the shell through the one-way bearing.

Optionally, the pressing rod assembly further comprises a bottom plate arranged in parallel with the pressing rod, and a connecting rod connected between the pressing rod and the bottom plate; the connecting rod is connected with the shell in a sliding manner; the adjusting rope is fixedly connected with the bottom plate; the pressure bar assembly further comprises a rotating wheel assembly, and the adjusting rope penetrates through the rotating wheel assembly to be connected with the bottom plate.

Optionally, the compression bar assembly further comprises a limiting column fixedly connected with the housing, the limiting column penetrates through the bottom plate, and the bottom plate is connected with the limiting column in a sliding manner; the compression bar assembly further comprises a reset spring sleeved outside the limiting column; one end of the reset spring is connected with the limiting column, and the other end of the reset spring is connected with the bottom plate.

Another object of the present invention is to provide a reading bookshelf including the manual book pressing device as described above.

Compared with the prior art, the manual book pressing device provided by the utility model has the following advantages:

according to the manual book pressing device provided by the utility model, the length of the part, which is not wound by the adjusting rope, is adjusted by the adjusting component, so that the position of the pressure lever component connected with the adjusting rope is changed, the distance between the pressure lever and the bracket is adjusted, the structure is simple, the operation is easy, the manual book pressing device can clamp books with different thicknesses, and the application range of the manual book pressing device is favorably expanded.

Drawings

FIG. 1 is a schematic view of a reading bookshelf according to the utility model;

FIG. 2 is an exploded view of the reading bookshelf in accordance with the present invention;

FIG. 3 is an exploded view of the first embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is an exploded view of the book pressing device of the present invention;

FIG. 6 is a partial enlarged view of FIG. 5 at B;

FIG. 7 is a schematic view of the assembly of the adjustment assembly and the plunger assembly of the present invention.

Description of reference numerals:

1-a compression bar assembly; 11-a pressure bar; 12-a base plate; 13-a connecting rod; 14-a rotating wheel assembly; 141-a first wheel; 142-a second wheel; 15-a limiting column; 16-a return spring; 2-a shell; 3-a regulating component; 31-a spindle assembly; 311-pawl; 3111-a first pin; 312-a rotating shaft; 3121-knob; 313-non-return shaft; 314-a first connection end; 3141-waist hole; 3142-a first connection sleeve; 315-second connection end; 3151-a second pin; 3152-a second connection sleeve; 316-one-way bearing; 32-a spindle sleeve assembly; 321-a ratchet ring; 3211-tooth configuration; 322-rotating sleeve; 323-non-return shaft sleeve; 4-adjusting the rope; 5-bracket.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "circumferential," "radial," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of simplifying the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

Furthermore, the terms "first" and "second" are used merely to simplify the description and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the first feature being "on" or "under" the first feature may comprise the first feature being in direct contact with the second feature or the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

For solving the problem that book pressing devices in the existing reading bookshelf are difficult to clamp over-thick or over-thin books, some reading bookshelves adopt electric book pressing devices to clamp the books, and the book pressing devices with the electric structures can be suitable for clamping the books with different thicknesses, but the book pressing devices are complicated in structure and high in cost, and are not beneficial to large-scale popularization.

In view of the above problems, the present application provides a manual book pressing device, which, as shown in fig. 1 to 6, includes a pressing rod assembly 1 for clamping a book, and a pressing rod adjusting structure connected to the pressing rod assembly 1 for adjusting the position of the pressing rod assembly 1; the pressing rod assembly 1 comprises a pressing rod 11 positioned in front of the bracket 5, and the pressing rod 11 moves towards the bracket 5 to clamp the book positioned on the bracket 5; the pressure lever adjusting structure is connected to the rear side of the bracket 5; the compression bar component 1 is connected with the compression bar adjusting structure in a sliding way along the front and back directions of the bracket 5; specifically, in the present application, the side of the bracket 5 on which the book is placed is the front, and the side opposite to the front is the rear.

In order to realize the adjustment of the pressure lever assembly 1, the pressure lever adjusting structure comprises a shell 2 positioned at the outer side, an adjusting assembly 3 and an adjusting rope 4 which are arranged in the shell 2; wherein the compression bar adjusting structure is connected with the bracket 5 through the shell 2; the connection mode between the shell 2 and the bracket 5 can be fixed connection or sliding connection; the preferred casing 2 of this application and bracket 5 sliding connection to in make through the relative position between sliding connection regulation casing 2 and the bracket 5, realize the regulation to depression bar assembly 1 position, thereby make this manual book device of pressing can be used for pressing from both sides the different books of different width, enlarge this manual book device of pressing's application range. The adjusting rope 4 can be a steel wire rope or a nylon rope; one end of the adjusting rope 4 is fixedly connected with the pressure lever component 1, and the other end is fixedly connected with the adjusting component 3; the adjusting rope 4 is wound on the outer side of the adjusting component 3; in the use, adjust the length of twineing in its outside regulation rope 4 through operation adjusting part 3, realize the regulation to the distance between depression bar 11 and the bracket 5 to in making this manual book pressing device, the distance between depression bar 11 and the bracket 5 can suit with the books of arbitrary thickness, make this manual book pressing device can be applicable to and carry out the centre gripping to the books of arbitrary thickness.

In order to improve the stability of clamping books, the number of the manual book pressing devices in each reading bookshelf is preferably two, and the two manual book pressing devices are symmetrically distributed on two sides of the reading bookshelf.

According to the manual book pressing device provided by the utility model, the length of the part, which is not wound, of the adjusting rope 4 is adjusted through the adjusting component 3, so that the position of the pressing rod component 1 connected with the adjusting rope 4 is changed along with the adjusting rope, the distance between the pressing rod 11 and the bracket 5 is adjusted, the manual book pressing device is simple in structure and easy to operate, books with different thicknesses can be clamped by the manual book pressing device, the application range of the manual book pressing device is favorably expanded, and meanwhile, the cost of the manual book pressing device is favorably reduced.

Referring to fig. 3 to 7, the adjusting assembly 3 of the present application includes a rotating shaft assembly 31 and a rotating shaft sleeve assembly 32 sleeved outside the rotating shaft assembly 31; the adjusting rope 4 is wound on the outer side of the rotating shaft sleeve assembly 32; the rotating shaft sleeve assembly 32 comprises a ratchet ring 321, a tooth structure 3211 is arranged on the inner side of the ratchet ring 321, the rotating shaft assembly 31 comprises at least one pawl 311, and the pawl 311 is suitable for being matched with the tooth structure 3211 to realize connection and release of the rotating shaft assembly 31 and the rotating shaft sleeve assembly 32.

The relation between the rotating direction of the rotating shaft assembly 31 and the winding length of the adjusting rope 4 and the relation between the rotating direction of the rotating shaft assembly 31 and the distance between the pressure lever assembly 1 and the bracket 5 are determined according to the winding direction of the adjusting rope 4 on the outer side of the rotating shaft sleeve assembly 32; for convenience of understanding, the present application will describe the structure of the manual book pressing device in detail by taking as an example that when the rotating shaft assembly 31 rotates clockwise, the length of the adjusting rope 4 wound around the outer side of the rotating shaft sleeve assembly 32 increases, and the distance between the pressing rod 11 and the bracket 5 in the pressing rod assembly 1 increases.

When the book pressing device is used, the rotating shaft assembly 31 is rotated clockwise to drive the pawl 311 connected with the rotating shaft assembly to rotate; pawl 311 rotates the in-process, and the relative position between ratchet ring 321 changes, when pawl 311 and tooth structure 3211 mesh mutually, continue to rotate pivot subassembly 32 along original direction, then drive ratchet ring 321 and rotate together, simultaneously, pivot cover subassembly 32 rotates along with ratchet ring 321, thereby adjust the length that rope 4 twined in pivot cover subassembly 32 outside and change, further under the drive of adjusting rope 4, the position of depression bar subassembly 1 changes, and then change the distance between depression bar 11 and the bracket 5, so that this distance satisfies the centre gripping demand to the books, the preferred distance between depression bar 11 and the bracket 5 of this application increases.

On the contrary, when the rotating shaft assembly 31 rotates counterclockwise and the pawl 311 is disengaged from the tooth structure 3211, the connection relationship between the rotating shaft assembly 31 and the rotating shaft sleeve assembly 32 is released, the adjusting rope 4 loses tension, so the position of the pressing rod assembly 1 changes reversely, and the distance between the pressing rod 11 and the bracket 5 is changed reversely, so that the distance meets the clamping requirement of the book; the application prefers that the distance between the pressing rod 11 and the bracket 5 is reduced until the book is clamped.

The application provides a manual book device of pressing constitutes the ratchet subassembly through ratchet ring 321 and pawl 311 to control the relation of being connected between pivot subassembly 31 and the pivot cover subassembly 32 through this ratchet subassembly, further through the synergism of pivot subassembly 31 and pivot cover subassembly 32, realize the regulation to adjusting rope 4 winding length, and then realize the regulation to the distance between depression bar 11 and the bracket 5, make this manual book device of pressing can be applicable to the centre gripping of the books of arbitrary thickness.

Specifically, the rotating shaft assembly 31 of the present application further includes a rotating shaft 312, a check shaft 313 disposed opposite to the rotating shaft 312, a first connecting end 314 connected to the rotating shaft 312, and a second connecting end 315 connected to the check shaft 313; the pawl 311 is movably connected with the first connecting end 314 and is rotatably connected with the second connecting end 315; the position of the pawl 311 is adjusted by rotating the rotating shaft 312, so that the pawl 311 is engaged with and disengaged from the tooth structure 3211.

The first connection end 314 and the second connection end 315 are connected by the pawl 311, thereby realizing the connection between the rotation shaft 312 and the backstop shaft 313.

For example, when the rotating shaft 312 is rotated clockwise, the first connecting end 314 rotates clockwise along with the rotating shaft 312, because the first connecting end 314 is movably connected with the pawl 311, the relative position between the pawl 311 and the first connecting end changes, the direction of the pawl 311 away from the rotating shaft 312 and close to the ratchet ring 321 changes, until the pawl 311 is engaged with the tooth structure 3211 on the inner side of the ratchet ring 321, the ratchet ring 321 is driven to rotate clockwise together, and further the rotating shaft sleeve assembly 32 is driven to rotate clockwise, and because the adjusting rope 4 is wound on the outer side of the rotating shaft sleeve assembly 32, as the rotating shaft sleeve assembly 32 rotates clockwise, the length of the adjusting rope 4 wound on the outer side of the rotating shaft sleeve assembly 32 becomes longer and longer, meanwhile, the unwound part becomes shorter and shorter, the pressure lever assembly 1 connected with the adjusting rope 4 is driven to move in the direction away from the bracket 5, so that the distance between the pressure lever 11 and the bracket 5 becomes larger and longer, the rotation of the rotation shaft 312 is stopped until the clamping requirement of the book is met; meanwhile, since the pawls 311 are rotatably connected to the second connecting end 315, when the pawls 311 are engaged with the ratchet ring 321, the pawls 311 do not rotate relative to the second connecting end 315, and the second connecting end 315 rotates clockwise under the driving of the pawls 311, and simultaneously drives the check shaft 313 to rotate clockwise.

Conversely, when the rotating shaft 312 rotates counterclockwise, the pawl 311 moves toward the rotating shaft 312 and away from the ratchet ring 321 until the pawl 311 disengages from the tooth structure 3211, the ratchet ring 321 is not connected to the pawl 311, and at this time, the rotating shaft assembly 31 is not connected to the rotating shaft sleeve assembly 32; adjust rope 4 and lose the pulling force, drive pivot cover subassembly 32 anticlockwise rotation through adjusting rope 4, can make the length of twining in the regulation rope 4 in the pivot cover subassembly 32 outside shorter and shorter, it is longer and longer not to twine partial length, and then make depression bar subassembly 1 to the direction removal that is close to bracket 5, the distance between depression bar 11 and the bracket 5 is more and less little, after depression bar 11 contacts the books of centre gripping, the distance between depression bar 11 and the bracket 5 no longer changes, and simultaneously, pivot cover subassembly 32 stall, the realization is to the centre gripping of books.

In order to improve the structural stability of the manual book pressing device, the number of the pawls 311 is preferably two.

In order to realize the movable connection between the pawl 311 and the first connection end 314 and the rotational connection between the pawl 311 and the second connection end 315, a first pin 3111 is arranged on the pawl 311, a waist hole 3141 matched with the first pin 3111 is arranged on the first connection end 314, the waist hole 3141 is in an arc-shaped structure, the arc-shaped waist hole 3141 is circumferentially distributed on the first connection end 314, and the first pin 3111 is suitable for being matched with the waist hole 3141 to realize the movable connection between the pawl 311 and the first connection end 314; the second connecting end 315 is provided with a second pin 3151, and the pawl 311 is rotatably connected with the second connecting end 315 through the second pin 3151.

When the rotation shaft 312 rotates clockwise, the waist hole 3141 rotates clockwise along with the first connection end 314, the position of the first pin 3111 in the waist hole 3141 changes, the pawl 311 rotates relative to the second connection end 315 through the second pin 3112, the outer end of the pawl 311 gradually moves away from the rotation shaft 312 and close to the ratchet ring 321, when the first pin 3111 abuts against the inner wall of the rearmost end of the waist hole 3141, the pawl 311 is engaged with the tooth structure 3211 inside the ratchet ring 321, and under the action of the first pin 3111 and the second pin 3112, the position between the pawl 311 and the second connection end 315 is fixed and does not rotate relative to each other, the rotation shaft 312 continues to rotate clockwise, the pawl 311 drives the non-return shaft 313 and the ratchet ring 321 to rotate clockwise, and further drives the non-return shaft 313 and the rotation shaft sleeve assembly 32 to rotate clockwise synchronously, and the length of the adjusting rope 4 wound outside the rotation shaft sleeve assembly 32 is adjusted, thereby realizing the adjustment of the distance between the pressure lever 11 and the bracket 5.

When the rotating shaft 312 rotates counterclockwise, the waist hole 3141 rotates counterclockwise along with the first connection end 314, the position of the first pin 3111 in the waist hole 3141 changes, the pawl 311 rotates relative to the second connection end 315 through the second pin 3112, the outer end of the pawl 311 gradually moves toward the rotating shaft 312 and away from the ratchet ring 321, when the first pin 3111 abuts against the inner wall of the foremost end of the waist hole 3141, the pawl 311 disengages from the tooth structure 3211 on the inner side of the ratchet ring 321, and the rotating shaft assembly 31 is not connected with the rotating shaft sleeve assembly 32; adjust rope 4 and lose the pulling force, drive pivot cover subassembly 32 anticlockwise rotation through adjusting rope 4, through anticlockwise rotation pivot cover subassembly 32, can make the length of twining in the regulation rope 4 in the pivot cover subassembly 32 outside shorter and shorter, it is longer and longer not to twine partial length, and then make depression bar subassembly 1 to the direction removal that is close to bracket 5, the distance between depression bar 11 and the bracket 5 is littleer and smaller, after depression bar 11 contacts the books of centre gripping, the distance between depression bar 11 and the bracket 5 no longer changes, and simultaneously, pivot cover subassembly 32 stall, the realization is to the centre gripping of books.

The rotating shaft sleeve assembly 32 in the present application further includes a rotating shaft sleeve 322 sleeved outside the rotating shaft 312, and a stopping shaft sleeve 323 sleeved outside the stopping shaft 313; the rotation shaft sleeve 322 is rotatably connected to the rotation shaft 312, the reverse stopping shaft sleeve 323 is rotatably connected to the reverse stopping shaft 313, and both the rotation shaft sleeve 322 and the reverse stopping shaft sleeve 323 are connected to the ratchet ring 321.

Wherein, the rotary shaft sleeve 322 and the non-return shaft sleeve 323 can be connected with the ratchet ring 321 by welding, bonding, fasteners and the like; when the pawls 311 are engaged with the ratchet ring 321 by the rotation shaft 312, the ratchet ring 321 drives the rotation shaft sleeve 322 and the non-return shaft sleeve 323 to rotate together with the rotation shaft 312; on the contrary, when the pawl 311 is separated from the ratchet ring 321, the ratchet ring 321 is not connected to the rotating shaft assembly 31, so that the ratchet ring 321, the rotating shaft sleeve 322 and the non-return shaft sleeve 323 can rotate freely, the adjusting rope 4 loses tension, the rotating shaft sleeve assembly 32 is driven by the adjusting rope 4 to rotate counterclockwise, the length of the winding end of the adjusting rope 4 is adjusted, and the distance between the pressing rod 11 and the bracket 5 is adjusted.

The number of the adjusting ropes 4 is preferably two, and the two adjusting ropes 4 are wound on the outer sides of the rotating shaft sleeve 322 and the non-return shaft sleeve 323 respectively, so that the position of the pressure lever 11 can be adjusted from two ends through the two adjusting ropes 4 respectively, and the stability and the reliability of the adjusting process are improved; further, the outside of the preferred rotation axle sleeve 322 of this application and non-return axle sleeve 323 all is provided with the heliciform recess with adjusting 4 looks adaptations to adjust rope 4 spacing through this heliciform recess, guarantee going on smoothly of accommodation process.

The first connection end 314 and the second connection end 315 may be only plate-shaped structures that are respectively and fixedly connected to the opposite ends of the rotation shaft 312 and the non-return shaft 313, and the connection modes between the first connection end 314 and the rotation shaft 312 and between the second connection end 315 and the non-return shaft 313 may be conventional connection modes such as welding, bonding, and the like; in order to improve the structural stability, it is preferable that the first connection end 314 further includes a first connection sleeve 3142 sleeved outside the rotation shaft 312, and the first connection sleeve 3142 is fixedly connected to the rotation shaft 312, so that the connection area between the first connection end 314 and the rotation shaft 312 is increased by the first connection sleeve 3142, and the connection strength is improved; further, it is preferable that the rotation shaft sleeve 322 is sleeved outside the first connection sleeve 3142, and the rotation shaft sleeve 322 is rotatably connected to the first connection sleeve 3142.

Similarly, the second connection end 315 further includes a second connection sleeve 3152 sleeved outside the non-return shaft 313, and the second connection sleeve 3152 is fixedly connected to the non-return shaft 313, so that the connection area between the second connection end 315 and the non-return shaft 313 is increased by the second connection sleeve 3152, and the connection strength is improved; the non-return shaft sleeve 323 is sleeved outside the second connection sleeve 3152, and damping oil is filled between the non-return shaft sleeve 323 and the second connection sleeve 3152, so that when the non-return shaft sleeve 323 rotates counterclockwise relative to the non-return shaft 313 through the damping oil, the non-return shaft sleeve 323 can rotate slowly, and the rotating shaft sleeve assembly 32 can rotate slowly, so that the pressing rod 11 is ensured to fall slowly, and the good experience of the use of the manual book pressing device is improved.

Specifically, in the present application, it is preferable that the inner side of the non-return shaft sleeve 323 is provided with a groove structure which is uniformly distributed, and meanwhile, the outer side of the second connection sleeve 3152 is provided with a protrusion which is adapted to the groove structure, so that on one hand, the volume of the filled damping oil is increased by the groove structure and the protrusion, and on the other hand, the counterclockwise rotation speed of the non-return shaft sleeve 323 is controlled by the groove structure and the protrusion which are adapted to each other.

Furthermore, in order to improve the sealing performance, the non-return shaft sleeve 323 is preferably arranged at the position where the second connecting end 315 is abutted, and a sealing gasket and other structures can be added to ensure the sealing performance of the damping oil.

Furthermore, in order to avoid the influence on the user experience caused by the rotation of the rotating shaft assembly 31 during the approach of the pressing rod 11 to the bracket 5, the rotating shaft assembly 31 preferably further comprises a one-way bearing 316, and the non-return shaft 313 is connected with the shell 2 through the one-way bearing 316, so that the non-return shaft 313 can only rotate in a one-way manner to perform a non-return function.

It is preferable that the check shaft 313 can rotate only in the clockwise direction but not in the counterclockwise direction by the one-way bearing 316; specifically, after the rotating shaft 312 is rotated clockwise to adjust the distance between the pressing rod 11 and the bracket 5 to a proper value, the rotating shaft 312 is rotated counterclockwise, the first connecting end 314 connected with the rotating shaft 312 rotates counterclockwise, the relative position of the first pin 3111 and the first connecting end 314 changes, because the non-return shaft 313 cannot rotate counterclockwise under the action of the one-way bearing 316, the position of the non-return shaft 313 does not change, the position of the second connecting end 315 does not change, and under the action of the second pin 3151, the pawl 311 and the second connecting end 315 rotate relatively until the first pin 3111 abuts against the inner wall of the end of the waist hole 3141, the pawl 311 is far away from the ratchet ring 321 and is separated from the ratchet ring 321, and the ratchet ring 321, the rotating shaft sleeve 322 connected with the ratchet ring 321, and the non-return shaft sleeve 323 can rotate freely; meanwhile, the rotating shaft 312 cannot rotate counterclockwise under the action of the first pin 3111, the second pin 3151 and the pawl 311, so that a backstop effect is achieved.

In order to clamp a book, the compression bar assembly 1 further comprises a bottom plate 12 arranged in parallel with the compression bar 11, and a connecting rod 13 connected between the compression bar 11 and the bottom plate 12; the connecting rod 13 is connected with the shell 2 in a sliding way; the adjusting rope 4 is fixedly connected with the bottom plate 12; wherein the base plate 12 is located below the bracket 5 and the base plate 12 is located within the housing 2; preferably, the two adjusting ropes 4 are respectively and fixedly connected with the two ends of the bottom plate 12 in the length direction; in the clockwise rotation process of the rotation shaft 312, as described in the above process, the length of the adjusting rope 4 wound outside the rotation shaft sleeve assembly 32 is increased, and meanwhile, the length of the non-winding part is shorter and shorter, and at the same time, the non-winding part is shortened, and the bottom plate 12 connected with the non-winding part is driven to move towards the direction close to the bracket 5, and meanwhile, the pressure lever 11 located above the bracket 5 moves towards the direction far away from the bracket 5, and the distance between the pressure lever 11 and the bracket 5 is gradually increased.

Furthermore, in order to ensure the using effect of the manual book pressing device, the press rod assembly 1 preferably further comprises a rotating wheel assembly 14, and the adjusting rope 4 is connected with the bottom plate 12 through the rotating wheel assembly 14.

Specifically, the runner subassembly 14 in this application includes adjacent setting, and highly different first runner 141 and second runner 142, links to each other with bottom plate 12 again after passing first runner 141 and second runner 142 in proper order through making the regulation rope 4 to avoid adjusting rope 4 and take place phenomenons such as knot, influence manual book pressing device's normal use.

In order to facilitate the falling back of the compression bar 11, the compression bar assembly 1 in the present application further includes a limiting post 15 fixedly connected to the housing 2, the limiting post 15 penetrates through the bottom plate 12, and the bottom plate 12 is slidably connected to the limiting post 15, so that the path of the bottom plate 12 in the ascending and descending processes is limited by the limiting post 15; the compression bar component 1 also comprises a return spring 16 sleeved outside the limit column 15; one end of the return spring 16 is connected with the limit post 15, and the other end is connected with the bottom plate 12.

When the rotating shaft 312 is rotated clockwise, the adjusting rope 4 pulls the bottom plate 12 to move towards the direction close to the bracket 5, and at the same time, the return spring 16 is extruded and deformed, but because the rotating shaft assembly 31 and the rotating shaft sleeve assembly 32 are engaged through the ratchet assembly, and the non-return shaft 313 cannot rotate counterclockwise under the action of the one-way bearing 316, the rotating shaft assembly 31 and the rotating shaft sleeve assembly 32 cannot rotate counterclockwise, and the return spring 16 is driven by the adjusting rope 4 to keep the extruded and deformed state; when the rotating shaft 312 rotates by a certain angle in the reverse direction, the pawl 311 is separated from the ratchet ring 321, the rotating shaft assembly 31 cannot rotate anticlockwise due to the existence of the one-way bearing 316, but the rotating shaft sleeve assembly 32 can rotate freely, the tension of the adjusting rope 4 on the base plate 12 is lost, the reset spring 16 extends and resets, the force far away from the bracket 5 is applied to the base plate 12, under the action of the force, the length of the adjusting rope 4 wound on the outer side of the rotating shaft sleeve assembly 32 is reduced, the rotating shaft sleeve assembly 32 rotates anticlockwise until the pressing rod 11 is contacted with the bracket 5 or a book on the bracket 5, and automatic returning or automatic clamping of the pressing rod 11 is realized.

And damping oil is filled between the non-return shaft sleeve 323 and the second connecting sleeve 3152, so that the pressure lever 11 can slowly move towards the direction of the bracket 5, the safety is ensured, and the experience feeling is improved.

The application provides a manual book device of pressing for through setting up reset spring 16, in this manual book device of pressing use, adjust depression bar 11 to suitable high back, exert a little anticlockwise power to swivel spindle 312, can realize the automation of depression bar 11 and fall back, realize the book action of pressing with traditional anticlockwise rotation swivel spindle 312 and compare, the simple operation, and the security is high.

Further, for convenience of operation, it is preferable that the end of the rotation shaft 312 is provided with a knob 3121 so that the rotation of the knob 3121 can facilitate the optional installation of the rotation shaft 312.

Another object of the present invention is to provide a reading bookshelf, as shown in fig. 1 and 2, which comprises the manual book pressing device as described above.

In particular, the reading bookshelf preferably comprises two oppositely arranged brackets 5 and two oppositely arranged manual book pressing devices which are respectively connected with the two brackets 5.

According to the reading bookshelf provided by the utility model, the manual book pressing device is selected, the length of the part, which is not wound, of the adjusting rope 4 is adjusted through the adjusting component 3, so that the position of the pressing rod component 1 connected with the adjusting rope 4 is changed along with the adjusting rope, the distance between the pressing rod 11 and the bracket 5 is adjusted, the structure is simple, the operation is easy, the reading bookshelf can clamp books with different thicknesses, and the application range of the reading bookshelf is favorably expanded.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims (11)

1. The manual book pressing device is characterized by comprising a pressure lever assembly (1) and a pressure lever adjusting structure connected with the pressure lever assembly (1); wherein the content of the first and second substances,

the pressure lever assembly (1) comprises a pressure lever (11) positioned in front of the bracket (5);

the pressure lever adjusting structure is connected to the rear side of the bracket (5);

the compression bar assembly (1) is connected with the compression bar adjusting structure in a sliding manner along the front-back direction of the bracket (5);

the pressure lever adjusting structure comprises a shell (2), an adjusting component (3) and an adjusting rope (4) which are arranged in the shell (2);

one end of the adjusting rope (4) is fixedly connected with the pressure lever component (1), and the other end of the adjusting rope is fixedly connected with the adjusting component (3); the adjusting rope (4) is wound on the outer side of the adjusting component (3);

the length of the adjusting rope (4) wound on the outer side of the adjusting component is adjusted through the adjusting component (3), so that the distance between the pressing rod (11) and the bracket (5) is adjusted.

2. The manual book pressing device of claim 1, characterized in that the adjusting component (3) comprises a rotating shaft component (31) and a rotating shaft sleeve component (32) sleeved outside the rotating shaft component (31); the adjusting rope (4) is wound on the outer side of the rotating shaft sleeve component (32); the rotating shaft sleeve assembly (32) comprises a ratchet ring (321), a tooth structure (3211) is arranged on the inner side of the ratchet ring (321), the rotating shaft assembly (31) comprises at least one pawl (311), and the pawl (311) is suitable for being matched with the tooth structure (3211) to realize connection and release of the rotating shaft assembly (31) and the rotating shaft sleeve assembly (32).

3. The manual book pressing device of claim 2, wherein the rotation shaft assembly (31) further comprises a rotation shaft (312), a check shaft (313) disposed opposite to the rotation shaft (312), a first connection end (314) connected to the rotation shaft (312), and a second connection end (315) connected to the check shaft (313); the pawl (311) is movably connected with the first connecting end (314) and is rotatably connected with the second connecting end (315); the position of the pawl (311) is adjusted by rotating the rotating shaft (312), and the pawl (311) is meshed with and released from the tooth structure (3211).

4. A manual book pressing device according to claim 3, characterized in that a first pin shaft (3111) is arranged on the pawl (311), a waist hole (3141) adapted to the first pin shaft (3111) is arranged on the first connection end (314), the waist hole (3141) is of an arc-shaped structure, the waist holes (3141) are circumferentially distributed on the first connection end (314), and the first pin shaft (3111) is adapted to cooperate with the waist hole (3141) to realize the movable connection between the pawl (311) and the first connection end (314); and a second pin shaft (3151) is arranged on the second connecting end (315), and the pawl (311) is rotatably connected with the second connecting end (315) through the second pin shaft (3151).

5. A manual book pressing device according to claim 3, wherein said rotary sleeve assembly (32) further comprises a rotary sleeve (322) fitted around the outside of said rotary shaft (312), and a check sleeve (323) fitted around the outside of said check shaft (313); the rotating shaft sleeve (322) is rotatably connected with the rotating shaft (312), the non-return shaft sleeve (323) is rotatably connected with the non-return shaft (313), and the rotating shaft sleeve (322) and the non-return shaft sleeve (323) are both connected with the ratchet ring (321).

6. The manual book pressing device according to claim 5, wherein the number of the adjusting ropes (4) is two, and the two adjusting ropes (4) are respectively wound on the outer sides of the rotating shaft sleeve (322) and the non-return shaft sleeve (323); the outer sides of the rotating shaft sleeve (322) and the non-return shaft sleeve (323) are provided with spiral grooves matched with the adjusting rope (4).

7. The manual book pressing device of claim 5, wherein the second connection end (315) further comprises a second connection sleeve (3152) sleeved outside the non-return shaft (313), the non-return shaft sleeve (323) is sleeved outside the second connection sleeve (3152), and damping oil is filled between the non-return shaft sleeve (323) and the second connection sleeve (3152).

8. A manual book pressing device according to claim 3, characterized in that said rotary shaft assembly (31) further comprises a one-way bearing (316), said non-return shaft (313) being connected to said casing (2) through said one-way bearing (316).

9. A manual book pressing device according to any one of claims 1 to 8, characterized in that the press bar assembly (1) further comprises a base plate (12) arranged parallel to the press bar (11), and a connecting rod (13) connected between the press bar (11) and the base plate (12); the connecting rod (13) is connected with the shell (2) in a sliding manner; the adjusting rope (4) is fixedly connected with the bottom plate (12); the pressure bar assembly (1) further comprises a rotating wheel assembly (14), and the adjusting rope (4) penetrates through the rotating wheel assembly (14) to be connected with the bottom plate (12).

10. A manual book pressing device according to claim 9, wherein the press bar assembly (1) further comprises a limiting post (15) fixedly connected with the housing (2), the limiting post (15) penetrates through the bottom plate (12), and the bottom plate (12) is slidably connected with the limiting post (15); the compression bar component (1) also comprises a return spring (16) sleeved outside the limiting column (15); one end of the reset spring (16) is connected with the limiting column (15), and the other end of the reset spring is connected with the bottom plate (12).

11. A reading bookshelf comprising a manual book pressing device according to any one of claims 1 to 10.

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