阅读说明：本技术 卷纸卡轴及纸盒 (Roll paper clamping shaft and paper box ) 是由 周昌义 于 2021-10-11 设计创作，主要内容包括：本发明公开了一种卷纸卡轴及纸盒,其中,卷纸卡轴包括壳本体,壳本体内设有容纳腔,壳本体设有卡块和控制件,控制件转动设置在容纳腔内,壳本体间隔设有第一滑槽,第一滑槽的一端与壳本体的外部连通,另一端与容纳腔连通,卡块滑动设置在第一滑槽内,卡块的一端位于容纳腔内与控制件抵接,另一端穿过第一滑槽延伸至壳本体的外部与卷纸的纸筒内壁抵紧,控制件具有第一位置和第二位置,当控制件位于第一位置,控制件驱动卡块伸出到壳本体外部,当控制件位于第二位置时,控制件驱动卡块缩回至壳本体内部。此卷纸卡轴能够改变直径以夹紧不同孔径的卷纸。(The invention discloses a roll paper clamping shaft and a paper box, wherein the roll paper clamping shaft comprises a shell body, a containing cavity is arranged in the shell body, a clamping block and a control piece are arranged on the shell body, the control piece is rotatably arranged in the containing cavity, first sliding grooves are arranged at intervals on the shell body, one ends of the first sliding grooves are communicated with the outside of the shell body, the other ends of the first sliding grooves are communicated with the containing cavity, the clamping block is slidably arranged in the first sliding grooves, one ends of the clamping blocks are positioned in the containing cavity and abutted to the control piece, the other ends of the clamping blocks penetrate through the first sliding grooves and extend to the outside of the shell body to be abutted to the inner wall of a paper tube of roll paper, the control piece is provided with a first position and a second position, when the control piece is positioned at the first position, the control piece drives the clamping block to extend out of the shell body, and when the control piece is positioned at the second position, the control piece drives the clamping block to retract into the shell body. The roll paper chuck shaft can change the diameter to clamp roll paper with different apertures.)

1. A roll paper clamping shaft is characterized by comprising a shell body, wherein an accommodating cavity is arranged in the shell body, the shell body is provided with a clamping block and a control piece, the control piece is rotatably arranged in the accommodating cavity, the shell body is provided with first sliding chutes at intervals, one end of each first sliding chute is communicated with the outside of the shell body, the other end of each first sliding chute is communicated with the accommodating cavity, the clamping block is arranged in the first sliding groove in a sliding manner, one end of the clamping block is positioned in the containing cavity and is abutted against the control piece, the other end of the clamping block penetrates through the first sliding groove to extend to the outside of the shell body to be abutted against the inner wall of the paper tube of the roll paper, the control piece is provided with a first position and a second position, when the control member is located at the first position, the control member drives the fixture block to extend out of the shell body, when the control piece is located at the second position, the control piece drives the fixture block to retract into the shell body.

2. The roll paper jam axle of claim 1 wherein the control member includes a cam and a return spring, the cam being coupled to the return spring, the return spring urging the control member to the first position.

3. The roll paper jam axle of claim 2, wherein the control member further includes a first resilient member, the first resilient member being coupled to the cam, the first resilient member urging the control member to the second position.

4. The paper roll clamping shaft according to claim 2, wherein the cam is rotatably arranged in the accommodating cavity, an arc-shaped groove is formed in one side of the shell body, the center of the arc-shaped groove is concentric with the rotating center of the cam, a driving column is arranged on the cam in a protruding mode, the free end of the driving column penetrates through the arc-shaped groove to extend out of the shell body, and the peripheral wall of the cam is abutted to the clamping block.

5. The roll paper chuck shaft according to claim 4, wherein the moving direction of the chuck block is always perpendicular to the tangent of the rotation center of the cam.

6. The roll paper chuck shaft according to claim 2, wherein a second elastic member is arranged on the shell body, the second elastic member is connected with the fixture block, and the second elastic member always has a movement trend for driving the fixture block to move towards the accommodating cavity;

and/or the second elastic piece always has a movement trend of driving the fixture block to move towards the outside of the shell body.

7. The paper roll jam axle of claim 4 wherein said arcuate slot has first and second opposite ends, said second end having an escape notch, said cam having a reinforcement rib disposed thereon, said reinforcement rib being secured to a side of said drive post facing said second end, said jam block being retracted into said housing body when said drive post is positioned at said second end.

8. A paper cassette comprising a cassette body, further comprising a roll paper chuck according to any one of claims 1 to 6, the two roll paper chucks being disposed in the cassette body in opposition to each other.

9. A paper cassette according to claim 8, wherein a mounting groove is formed on the inner side wall of the box body close to the roll paper chuck shaft, a slide block is arranged in the mounting groove, a baffle is arranged on the slide block in a protruding mode towards the roll paper chuck shaft, a spring is connected to one side of the slide block far away from the roll paper chuck shaft, the spring always drives the baffle to abut against a first side face of the roll paper chuck shaft, and the first side face is provided with a convex portion at an annular interval towards the clamping block.

10. A paper cassette according to claim 8, wherein a detection device is provided in the cassette body, the detection device being capable of detecting whether the roll paper jam shaft has paper.

Technical Field

The invention relates to the technical field of daily necessities, in particular to a roll paper clamping shaft and a paper box.

Background

People often can use the stock form box in the life, and the stock form box has brought a lot of convenience for people, but current stock form box function is too single, only has the effect of simple holding toilet paper, can not indicate whether have paper in the stock form box, and it is not very convenient to use, need pass the fiber container of stock form after taking off the paper axle in addition when changing the stock form.

The paper shaft in the present paper rolling box is usually fixedly arranged in the shell of the paper rolling box, the diameter of the paper shaft is usually unchangeable, and only the roll paper with one hole diameter can be fixedly used, the central hole diameter of the roll paper is usually 70-80cm, due to the error of roll paper production, when the hole diameter of the roll paper is different from the diameter of the roll paper clamping shaft, the roll paper cannot be arranged on the paper shaft, and the application range of the paper shaft is narrow.

Disclosure of Invention

One object of an embodiment of the present invention is to: provided is a roll paper chuck shaft which has a simple structure and can change the diameter of the roll paper chuck shaft to clamp roll paper with different apertures.

Another object of an embodiment of the present invention is to: the paper box is simple in structure, good in effect of fixing the roll paper and convenient to replace the roll paper.

To achieve the purpose, the embodiment of the invention adopts the following technical scheme:

in a first aspect, a roll paper clamping shaft is provided, which comprises a shell body, wherein an accommodating cavity is arranged in the shell body, the shell body is provided with a clamping block and a control piece, the control piece is rotatably arranged in the accommodating cavity, the shell body is provided with first sliding chutes at intervals, one end of each first sliding chute is communicated with the outside of the shell body, the other end of each first sliding chute is communicated with the accommodating cavity, the clamping block is arranged in the first sliding groove in a sliding manner, one end of the clamping block is positioned in the containing cavity and is abutted against the control piece, the other end of the clamping block penetrates through the first sliding groove to extend to the outside of the shell body to be abutted against the inner wall of the paper tube of the roll paper, the control piece is provided with a first position and a second position, when the control member is located at the first position, the control member drives the fixture block to extend out of the shell body, when the control piece is located at the second position, the control piece drives the fixture block to retract into the shell body.

As a preferable mode of the roll paper chuck shaft, the control member includes a cam and a return elastic member, the cam is connected with the return elastic member, and the return elastic member drives the control member to be located at the first position.

As a preferable mode of the roll paper chuck shaft, the control member further includes a first elastic member, the first elastic member is connected to the cam, and the first elastic member drives the control member to the second position.

As a preferred scheme of stock form card axle, the cam rotates to be set up hold the intracavity, one side of shell body is provided with the arc wall, the centre of a circle of arc wall with the center of rotation of cam is concentric, the protrusion is provided with the drive post on the cam, the free end of drive post passes the arc wall stretches out to the outside of shell body, the periphery wall of cam with the fixture block butt.

As a preferable scheme of the roll paper clamping shaft, the moving direction of the clamping block is always vertical to the tangent of the rotating center of the cam.

As a preferable scheme of the roll paper clamping shaft, a second elastic piece is arranged on the shell body, the second elastic piece is connected with the clamping block, and the second elastic piece always has a movement trend of driving the clamping block to move towards the accommodating cavity;

and/or the second elastic piece always has a movement trend of driving the fixture block to move towards the outside of the shell body.

As a preferred scheme of stock form card axle, the arc wall has relative first end and second end, the second end is equipped with dodges the breach, be provided with the strengthening rib on the cam, the strengthening rib is fixed the drive column orientation a side of second end, works as the drive column is located the second end, the fixture block retracts in the casing body.

In a second aspect, a paper box is provided, which comprises a box body and further comprises the roll paper clamping shafts, wherein the roll paper clamping shafts are oppositely arranged in the box body.

As a preferable scheme of the paper box, a mounting groove is formed in the inner side wall, close to the roll paper clamping shaft, of the box body, a sliding block is arranged in the mounting groove, a baffle is arranged on the sliding block in a protruding mode towards the roll paper clamping shaft, a spring is connected to one side, far away from the roll paper clamping shaft, of the sliding block, the spring drives the baffle to be abutted to a first side face of the roll paper clamping shaft all the time, and the first side face faces the clamping block and is provided with convex portions at intervals.

As a preferred scheme of the paper box, a detection device is arranged in the box body and can detect whether the paper roll clamping shaft has paper or not.

The embodiment of the invention has the beneficial effects that: through setting up fixture block and control butt, the control rotates not only can drive the fixture block and stretch out the shell body in order to press from both sides tight stock form outward, and the different angles of control rotation of control simultaneously can control the fixture block and stretch out the length outside the shell body, and when the control at the primary importance, the fixture block stretches out the length outside the shell body the biggest, and the tight diameter of clamp of stock form card axle is the biggest, and when the control at the second place, the fixture block withdrawal shell body, the tight diameter of clamp of stock form card axle is minimum.

Drawings

The invention is explained in more detail below with reference to the figures and examples.

Fig. 1 is a first perspective view of a roll paper chuck shaft according to an embodiment of the present invention.

Fig. 2 is an exploded view of the roll paper chuck shaft according to the embodiment of the present invention.

Fig. 3 is a partial schematic view of a roll paper chuck shaft according to an embodiment of the invention.

FIG. 4 is a second perspective view of the roll paper jam axle according to the embodiment of the present invention.

Fig. 5 is a perspective view of a carton according to an embodiment of the present invention.

Fig. 6 is a first partial schematic view of a carton of an embodiment of the present invention.

Fig. 7 is a second partial schematic view of a carton of an embodiment of the invention.

Fig. 8 is a third partial schematic view of a carton of an embodiment of the invention.

In the figure:

1. the roll paper is clamped with the shaft; 11. a housing body; 111. an accommodating chamber; 112. a first chute; 113. an arc-shaped slot; 114. avoiding the notch; 115. a first housing; 116. a second housing; 117. mounting holes; 118. fixing a column; 119. a groove; 12. a clamping block; 121. a through hole; 13. a control member; 131. a cam; 132. a restoring elastic member; 133. a first elastic member; 134. a first rotating column; 135. a second rotating cylinder; 136. a drive column; 137. reinforcing ribs; 14. a second elastic member; 15. a first side surface; 16. a convex portion; 2. a box body; 21. mounting grooves; 3. a slider; 31. a baffle plate; 4. a magnetic induction switch; 5. and a magnet.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 4, the roll paper clamping shaft 1 includes a housing body 11, a containing cavity 111 is provided in the housing body 11, the housing body 11 is provided with a clamping block 12 and a control member 13, the control member 13 is rotatably disposed in the containing cavity 111, the housing body 11 is provided with first sliding grooves 112 at intervals, one end of each first sliding groove 112 is communicated with the outside of the housing body 11, the other end of each first sliding groove 112 is communicated with the containing cavity 111, the clamping block 12 is slidably disposed in the first sliding groove 112, one end of the clamping block 12 is located in the containing cavity 111 and abutted to the control member 13, the other end of the clamping block 12 passes through the first sliding groove 112 and extends to the outside of the housing body 11 and abuts against the inner wall of a roll paper tube of roll paper, the control member 13 has a first position and a second position, when the control member 13 is located at the first position, the control member 13 drives the clamping block 12 to extend out of the housing body 11, and when the control member 13 is located at the second position, the clamping block 12 is retracted into the housing body 11. Through setting up fixture block 12 and control 13 butt, control 13 rotates not only can drive fixture block 12 and stretch out shell body 11 outside in order to press from both sides tight stock form, and control 13 can also rotate and keep on the pivoted position between primary importance and the second place simultaneously to control fixture block 12 stretches out shell body 11's length, realizes changing the diameter of stock form card axle 1, satisfies the installation demand of the stock form in different apertures.

Specifically, the case body 11 includes a first case 115 and a second case 116, and the first case 115 and the second case 116 are detachably connected by screws. The first housing 115 and the second housing 116 are detachably connected, so that the components in the housing body 11 can be mounted conveniently. In other embodiments, the first housing 115 and the second housing 116 are detachably connected by a snap-fit manner.

In this embodiment, the control member 13 includes a cam 131 and a return elastic member 132, the cam 131 is connected to the return elastic member 132, and the return elastic member 132 drives the control member 13 to be located at the first position. By setting the return elastic member 132 to have a tendency of driving the control member 13 to rotate toward the first position, so that the control member 13 drives the fixture block 12 to extend toward the outside of the housing body 11, the fixture block 12 can continuously apply an acting force to the inner wall of the paper tube of the roll paper to clamp the roll paper.

Specifically, the control member 13 further includes a first elastic member 133, the first elastic member 133 is connected to the cam 131, and the first elastic member 133 drives the control member 13 to be located at the second position. When the control member 13 is located at the second position, the first elastic member 133 can overcome the elastic force of the return elastic member 132, so that the control member 13 is locked at the second position, and the latch 12 can be retracted into the housing body 11.

Specifically, the centers of the first and second housings 115 and 116 are respectively provided with the mounting hole 117, the rotation center of the cam 131 is respectively provided with the first and second rotation posts 134 and 135 toward the first and second housings 115 and 116, the return elastic member 132 is mounted on the first rotation post 134, the first elastic member 133 is mounted on the second rotation post 135, and the first and second rotation posts 134 and 135 respectively pass through the mounting holes 117 of the first and second housings 115 and 116. When the control member 13 is far away from the first position, by pressing one end of the first rotating column 134 penetrating through the mounting hole 117 of the first housing 115, the reset elastic member 132 can overcome the elastic force of the first elastic member 133, so that the control member 13 is reset towards the first position, and the fixture block 12 can extend out of the housing body 11, thereby better clamping the inner wall of the roll paper tube.

In this embodiment, the cam 131 is rotatably disposed in the accommodating cavity 111, an arc-shaped groove 113 is disposed on one side of the housing body 11, a center of the arc-shaped groove 113 is concentric with a rotation center of the cam 131, a driving column 136 is disposed on the cam 131 in a protruding manner, a free end of the driving column 136 extends out of the housing body 11 through the arc-shaped groove 113, and an outer peripheral wall of the cam 131 abuts against the latch 12. By arranging the latch 12 to be always abutted against the outer peripheral wall of the cam 131, when the driving post 136 slides in the arc-shaped groove 113, the cam 131 can rotate in the accommodating cavity 111, the outer peripheral wall of the cam 131 can realize that the latch 12 moves in the first sliding groove 112, and the latch 12 can extend out of or retract into the housing body 11; meanwhile, the arc-shaped groove 113 can limit the rotation angle of the cam 131, so that the driving column 136 is prevented from excessively rotating, and the fixture block 12 is prevented from being separated from the cam 131.

Specifically, the return elastic member 132 is a first torsion spring, and when the cam 131 is at the first position, the first torsion spring is in an initial state while overcoming the elastic force of the first elastic member 133, and when the cam 131 is away from the first position, the torsion spring needs to rotate while overcoming the elastic force of the first torsion spring.

Specifically, the moving direction of the latch 12 is always perpendicular to the tangent line of the rotation center of the cam 131. Because the fixture block 12 is always abutted against the peripheral wall of the cam 131 and perpendicular to the tangent line of the rotation center of the cam 131, when an external force acts on the fixture block 12, the external force and the abutting force of the cam 131 are mutually offset, the fixture block 12 cannot be retracted into the shell body 11 by the external force, the telescopic motion of the fixture block 12 can be controlled only by the rotation of the cam 131, and when the roll paper is clamped, the fixture block 12 cannot be compressed into the shell body 11, so that the roll paper can be clamped more stably.

In this embodiment, the housing body 11 is provided with a second elastic element 14, the second elastic element 14 is connected to the latch 12, and the second elastic element 14 always has a movement tendency to drive the latch 12 to move toward the accommodating cavity 111.

Specifically, the fixture block 12 is provided with a through hole 121, the second elastic element 14 is a second torsion spring, the housing body 11 is provided with a fixing column 118, the second torsion spring is mounted on the fixing column 118, and one end of the second torsion spring penetrates through the through hole 121 and is connected with the fixture block 12. The fixture block 12 is driven to have the tendency of retracting into the shell body 11 by the second torsion spring, when the roll paper clamping shaft 1 has no external force, the acting forces of the reset elastic piece 132, the first torsion spring and the second torsion spring counteract each other, the fixture block 12 can be kept at any position in the first sliding groove 112, and the diameter can be adjusted to be proper so as to clamp the roll paper; meanwhile, the second torsion spring can continuously apply an acting force to the latch 12, so that the latch 12 can slide against the friction force of the first sliding groove 112.

In other embodiments, the second elastic member 14 may also have a movement tendency to drive the latch 12 to move toward the outside of the housing body 11. The latch 12 can slide against the frictional force of the first sliding groove 112.

In this embodiment, the arc-shaped slot 113 has a first end and a second end opposite to each other, the second end is provided with an avoiding notch 114, the cam 131 is provided with a reinforcing rib 137, the reinforcing rib 137 is fixed on a side surface of the driving post 136 facing the second end, and when the driving post 136 is located at the second end, the latch 12 is completely retracted into the housing body 11. When the elastic force of the elastic return element 132 overcomes the elastic force of the second torsion spring, the cam 131 rotates to return to the first position, the driving post 136 rotates rapidly towards the first end, and the arrangement of the reinforcing rib 137 can prevent the driving post 136 from being broken due to overlarge impact force during returning; when the driving column 136 is located at the first end, the cam 131 is located at the first position, the diameter of the roll paper clamping shaft 1 is the largest, when the driving column 136 is located at the second end, the cam 131 is located at the second position, the clamping block 12 is completely retracted into the shell body 11, the avoiding notch 114 is arranged to accommodate the reinforcing rib 137 when the driving column 136 is located at the second end, and the driving column 136 is prevented from being blocked to reach the second end.

Preferably, the arc-shaped slots 113 are provided in two, the two arc-shaped slots 113 are evenly distributed along the circumferential direction of the rotation center of the cam 131, and one driving column 136 is provided in each arc-shaped slot 113. By arranging the two driving columns 136 to be arranged in the two arc-shaped grooves 113 in a sliding manner, the cam 131 can be rotated in the same direction by clamping the two driving columns 136, and acting force is relatively exerted on the driving columns 136, so that labor is saved, and the roll paper is convenient to clamp.

Referring to fig. 5 to 8, an embodiment of the present invention also discloses a paper cassette including a cassette body 2 and the above-described roll paper jam shaft 1, the two roll paper jam shafts 1 being oppositely disposed in the cassette body 2. Through setting up the fiber container both ends that two stock form card axles 1 press from both sides tight stock form respectively, change the stock form adjust the stock form card axle 1 the diameter can, press from both sides tight stock form effectual, need not take off the stock form card axle 1, it is convenient to change the stock form.

As shown in fig. 7 and 8, in the present embodiment, an installation groove 21 is provided on the inner side wall of the case 2 close to the roll paper clamping shaft 1, a slider 3 is provided in the installation groove 21, the slider 3 protrudes toward the roll paper clamping shaft 1 and is provided with a baffle 31, a spring is provided on one side of the slider 3 away from the roll paper clamping shaft 1, the spring always drives the baffle 31 to abut against the first side surface 15 of the roll paper clamping shaft 1, and the first side surface 15 is provided with a plurality of convex portions 16 toward the slider 3 at annular intervals. When actuating mechanism orders about stock form card axle 1 and rotates, the effort of spring is overcome to stock form card axle 1, orders about slider 3 compression, can not block the continuous rotation of stock form card axle 1, when actuating mechanism stops to drive stock form card axle 1 and rotates, the baffle 31 card of the elasticity drive slider 3 of spring is in the one side butt of the convex part 16 on first side 15, blocks stock form card axle 1 and continues to rotate because of inertia to prevent that the stock form from piling up and taking place the card paper in exit slot department.

In the present embodiment, as shown in fig. 7, a detection device is provided in the case 2, and the detection device can detect whether the roll paper chuck shaft 1 has paper.

Specifically, detection device includes circuit board and magnetic induction switch 4, is equipped with the circuit board on the box body 2 is close to the inside wall of stock form card axle 1, is equipped with magnetic induction switch 4 on the circuit board, and stock form card axle 1 holds and is provided with two recesses 119 along rotation centrosymmetry in the chamber 111, is equipped with magnet 5 in the recess 119, and when stock form card axle 1 rotated, magnet 5 produced magnetic field so that the closed circular telegram of magnetic induction switch 4. When no paper exists in the paper box, the paper winding clamping shaft 1 continuously idles, and the magnetic field generated by the magnet 5 can continuously magnetize and energize the magnetic induction switch 4; when paper is contained in the paper box, the paper rolling clamping shaft 1 cannot continuously idle, the magnetic field generated by the magnet 5 cannot continuously act on the magnetic induction switch 4, and whether the paper is contained in the paper box can be judged according to whether the magnetic induction switch 4 can be continuously closed and electrified.

In the description herein, it is to be understood that the terms "upper" and the like are based on the orientation or positional relationship shown in the drawings, which are for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.

In the description herein, references to the term "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.