CN112137478B

CN112137478B - Zero-contact paper roll box capable of preventing cross infection

Info

Publication number: CN112137478B
Application number: CN202011083272.4A
Authority: CN
Inventors: 符绩承
Original assignee: Jiangsu Juxin Paper Products Technology Co ltd
Current assignee: Jiangsu Juxin paper products Technology Co.,Ltd.
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-12-31
Anticipated expiration: 2040-10-12
Also published as: CN112137478A

Abstract

The invention relates to a zero-contact paper roll box for preventing cross infection, belonging to the technical field of articles for daily use; it includes the roll paper box body, its characterized in that, the roll paper box comprises main casing and subshell, install stock form pusher, shearing mechanism, cutter, drive steamboat, drive bull wheel, the tight roller strutting arrangement in top, stock form bracing piece, first drive roller, second drive roller, the tight roller in first top, third drive roller, the tight roller in second top in the main casing. Through the ingenious design of the structure, the problems that the roll paper is torn off by two hands, unsanitary is caused, and cross infection is easily caused are solved, and the problems that bacteria, viruses and the like on the hands of a user can remain on a switch or a handle in the process that the switch or the handle is touched or the handle is rotated in an electric roll paper box or a handle driving type roll paper box in the prior art and cross infection can be caused are also solved.

Description

Zero-contact paper roll box capable of preventing cross infection

Technical Field

The invention relates to a zero-contact paper roll box capable of preventing cross infection, and belongs to the technical field of articles for daily use.

Background

At present, most of household toilet paper boxes are used for containing toilet paper, when the toilet paper is used, the toilet paper is pulled out of the box and then torn off by hands, and cross infection is easily caused due to insanitation. In order to solve the problems, the utility model with the application number of CN200720116457 discloses an automatic paper-out cutting machine for toilet paper, a motor drives a paper-feeding roller with a blade and a grinding rod to rotate, the paper-feeding roller with the blade drives the paper-feeding roller with the grinding rod to rotate through two meshed gears, the rotation directions of the two paper-feeding rollers are opposite, the toilet paper is drawn out, when the blade rotates to the grinding rod along with the paper-feeding roller, the toilet paper is cut off, the toilet paper does not need to be torn off by hands, and the use is very convenient; however, the device is electric, and can be used only by touching the switch with a hand of a user, bacteria, viruses and the like on the hand of the user can remain on the switch in the process of touching the switch, so that cross infection is caused, and the device needs to be used by connecting a rear battery, is easy to damage and is unsafe to use in a humid environment.

The invention patent with the application number of CN2017112325629 discloses a self-breaking toilet roll box, which comprises a shell, wherein a paper feeding mechanism, a cutting mechanism and an adsorption mechanism are arranged in the shell, the paper feeding mechanism comprises a rotating shaft, a first shaft sleeve, a second shaft sleeve and a clockwork spring, the first shaft sleeve and the second shaft sleeve are respectively sleeved on the rotating shaft, a one-way bearing is connected between the rotating shaft and the second shaft sleeve, one end of the clockwork spring is fixed on the rotating shaft, the other end of the clockwork spring is fixed on the first shaft sleeve, and the second shaft sleeve is wound with roll paper; the cutting mechanism comprises a paper guide roller, a rack and a blade, the paper guide roller is hollow, the rack is connected to the shell in a sliding mode, the rack is located on the outer side of the paper guide roller, and the blade is fixedly arranged at one end, close to the paper guide roller, of the rack; the adsorption mechanism comprises a negative pressure cavity, a piston is arranged in the negative pressure cavity, the piston is fixedly connected with the rack, an air inlet and an air outlet are formed in the paper guide roller, an air inlet one-way valve is arranged at the air inlet, and an air outlet one-way valve is arranged at the air outlet; because the device needs the user to rotate the handle with the hand to drive the roll paper to rotate in the use process, bacteria, viruses and the like on the hand of the user can remain on the handle in the process of rotating the handle, thereby bringing about cross infection.

Therefore, it is of more practical significance to provide a zero-contact cross-infection prevention carton of the present invention.

Disclosure of Invention

The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a zero-touch paper roll cassette for preventing cross-contamination.

The above object is achieved in that the following technical measures are adopted:

a zero-contact paper roll box capable of preventing cross infection comprises a paper roll box body, wherein the paper roll box consists of a main shell and an auxiliary shell, the auxiliary shell is installed on the main shell, the main shell consists of a rear plate and two side plates, the two side plates are respectively positioned on the left side and the right side of the rear plate, screw fixing grooves are formed in the rear plate, the two side plates are symmetrical in size, structure and shape, a clamping point is arranged at the upper end of each side plate, a first sliding groove, a paper roll supporting rod fixing buckle, a tension spring first fixing rod, a driving wheel fixing shaft, a first driving rolling rod fixing hole, a second sliding groove, a lower cutter fixing hole, a jacking rolling rod supporting device installing groove and a paper roll pushing device supporting rod are formed in the inner surface of each side plate, and a first sliding hole is formed in the paper roll pushing device supporting rod; the paper roll supporting rod is installed between the paper roll supporting rod fixing buckles in the two side plates, the lower cutter fixing holes in the two side plates are provided with the lower cutter, the first sliding chutes in the two side plates are provided with the shearing device, the shearing device is connected with the lower cutter, the shearing device can slide up and down in the main shell and the lower cutter, the second sliding chutes in the two side plates and the paper roll pushing device supporting rod are provided with the paper roll pushing device together, the paper roll pushing device can slide back and forth in the main shell, the first driving rolling rod is arranged between the first driving rolling rod fixing holes in the two side plates, the second driving rolling rod is arranged between the second driving rolling rod fixing holes in the two side plates, and the jacking rolling rod supporting device is installed in the jacking rolling rod supporting device installing grooves in the two side plates, and 2, a first jacking rolling rod is arranged between the jacking rolling rod supporting devices, and a driving small wheel and a driving large wheel are arranged on a driving wheel fixing shaft in the two side plates.

Preferably, the auxiliary shell comprises an upper cover and a front cover, wherein a clamping groove and a clamping strip are arranged in the upper cover, and a paper outlet and a clamping strip are arranged in the front cover; the effect of the design of subshell is for conveniently taking off the subshell and place the installation stock form, and the effect of draw-in groove is the slip around preventing the subshell, and the effect of card strip is the slip of subshell side to side, and the card strip still has an effect to support that can be better to the main shell, makes the main shell have better stability.

Preferably, the roll paper pushing device comprises a roll paper head support plate and 2 first support plates, the roll paper head support plate is arranged between the 2 first support plates, a paper pulling groove is formed in the middle of the roll paper head support plate and is used for better pulling out roll paper, a avoiding position is generated when a user pulls paper, the hand of the user does not touch the roll paper head support plate, so that cross infection of bacteria, viruses and the like cannot be generated, a first inclined plane is arranged at the upper end of each first support plate, a first guide pillar is arranged at the rear end of each first support plate, a first spring is arranged on each first guide pillar, the first spring is used for pushing the roll paper pushing device to move forwards when the roll paper pushing device is not subjected to other forces, so that the head end of the roll paper can be pushed out, a third driving roller fixing hole and a jacking roller rod supporting device mounting groove are formed in the lower end of each first support plate The third driving rolling rod fixing hole is positioned right above the jacking rolling rod supporting device mounting groove, jacking rolling rod supporting devices are mounted in the jacking rolling rod supporting device mounting groove, second jacking rolling rods are mounted between 2 jacking rolling rod supporting devices, a first sliding rod is arranged on the outer side of each first supporting plate, and a first limiting handle is arranged on each first sliding rod; the first guide post is connected with a first sliding hole in the main shell, and the first sliding rod is connected with a second sliding groove in the main shell.

Preferably, the shearing device comprises an upper cutter and 2 second support plates, the upper cutter is arranged between the bottom ends of the 2 second support plates, a second inclined plane is arranged on the bottom surface of each second support plate, a second guide pillar is arranged at the joint of the upper cutter and each second support plate, a third sliding groove is arranged above each second support plate, an extension rod is arranged right above each third sliding groove, and a second sliding rod is outwards arranged at the upper end of each extension rod; the second sliding rod is connected with a first sliding groove in the main shell; when shearing mechanism moves down, because the interact on first inclined plane and second inclined plane, shearing mechanism will promote stock form pusher and move backward, just so can guarantee that the last cutter among the shearing mechanism can not cut stock form pusher, when shearing mechanism moves up, because the effect of the first spring among the stock form pusher, first spring can promote stock form pusher and move forward, just so can release the head end of stock form.

Preferably, both ends of the lower cutter are sequentially provided with ears and a second limiting handle from inside to outside, and second sliding holes are formed in the ears; the second sliding hole is connected with a second guide pillar in the shearing device.

Preferably, a first rotary fixing hole is formed in the middle of the small driving wheel, a first driving handle is arranged on the circumferential surface of the small driving wheel, a tension spring second fixing rod is arranged at the edge of the inner surface of the small driving wheel, and the tension spring second fixing rod is located below the first driving handle; a tension spring is arranged between the tension spring second fixing rod and the tension spring first fixing rod in the main shell; and the tension spring second fixing rod is connected with a third sliding groove in the shearing device.

Preferably, a second rotary fixing hole is formed in the middle of the driving large wheel, a second driving handle is arranged at the edge of the inner surface of the driving large wheel, and an annular belt first rolling groove is formed in the circumferential surface of the driving large wheel; when the pulling stock form, the belt will drive the rotation of drive bull wheel anticlockwise, because the second drive handle and the interact of the first drive handle in the drive steamboat, the drive steamboat also can anticlockwise rotate, when extension spring second dead lever in the drive steamboat rotates 9 o 'clock directions, because the effort of extension spring, will stimulate drive steamboat anticlockwise fast, it is that extension spring second dead lever in the drive steamboat rotates 3 o' clock directions, at this moment, because the effect of extension spring second dead lever, will drive the quick downstream of shearing mechanism, then move up fast again, thereby cut off the stock form that draws out.

Preferably, the jacking roller supporting device comprises a sliding block and a third guide pillar, the third guide pillar is located right below the sliding block, a jacking roller fixing hole is formed in the sliding block, and a second spring is arranged on the third guide pillar.

Preferably, two ends of the roll paper supporting rod are provided with annular clamping grooves; the surface of the first driving rolling rod is provided with a rough rolling surface, and both ends of the first driving rolling rod are sequentially provided with a first gear, a third limiting handle and a first fixing head from inside to outside; the surface of the second driving rolling rod is also provided with a rough rolling surface, and both ends of the second driving rolling rod are sequentially provided with a second gear, a belt second rolling groove, a fourth limiting handle and a second fixing head from inside to outside; the surface of the first jacking rolling rod is also provided with a rough rolling surface, and two ends of the first jacking rolling rod are respectively provided with an avoidance rod, a fifth limiting handle and a third fixing head from inside to outside in sequence; the surface of the third driving rolling rod is also provided with a rough rolling surface, and both ends of the third driving rolling rod are provided with fourth fixing heads; the third driving rolling rod and the second jacking rolling rod are the same in structure size.

As a preferable aspect of the present invention, the first pinch roller is located right below the first drive roller, the second pinch roller is located right below the third drive roller, the second drive roller is located right in front of the first drive roller, and a first gear of the first drive roller and a second gear of the second drive roller are connected to each other; and a belt is arranged between a belt second rolling groove in the second driving rolling rod and a belt first rolling groove in the driving large wheel.

The invention has the beneficial effects that: when the roll paper is used, in order to avoid cross infection, the roll paper is pulled at a paper pulling groove in the roll paper pushing device, the first driving roller rod rotates clockwise, then the first gear in the first driving roller rod drives the second gear in the second driving roller rod to rotate anticlockwise, at the same time, the second driving roller rod also rotates anticlockwise, then the belt between the second driving roller rod and the driving big wheel drives the driving big wheel to rotate anticlockwise, the driving small wheel also drives the driving big wheel to rotate anticlockwise due to the interaction of the second driving handle in the driving big wheel and the first driving handle in the driving small wheel, when the tension spring second fixing rod in the driving small wheel rotates to 9 o 'clock direction, the driving small wheel is rapidly pulled to rotate anticlockwise due to the acting force of the tension spring, so that the tension spring second fixing rod in the driving small wheel rotates to 3 o' clock direction, in this process, because the effect of extension spring second dead lever, will drive the quick downstream of shearing mechanism, then move up fast again, thereby cut off the stock form that draws out, when shearing mechanism moves down fast, will promote stock form pusher and move right, also move inside promptly, when shearing mechanism moves up fast, because the effect of first spring, will promote stock form pusher and move left, also move outside promptly, this moment, because the effect of the tight roll bar in third drive roll bar and second top, the stock form head also can follow and promote stock form pusher and send out, thereby realize the effect that zero contact prevented cross infection and use the stock form.

Through the ingenious design of the structure, the problems that the roll paper is torn off by two hands, unsanitary is caused, and cross infection is easily caused are solved, the problems that bacteria, viruses and the like on the hands of a user can remain on a switch and cross infection is also caused in the process that the electric roll paper box touches the switch in the prior art are solved, and finally, the problem that the roll paper box of the roll paper can be driven by rotating the handle in the prior art, the bacteria, viruses and the like on the hands of the user can remain on the handle in the process of rotating the handle and the cross infection is also caused is solved.

Drawings

FIG. 1 is a perspective view of a zero-contact cross infection prevention carton of the present invention.

Fig. 2 is a cross-sectional view of a zero-contact cross-infection prevention carton of the present invention.

Fig. 3 is a perspective view showing the internal structure of a zero-contact cross-infection prevention paper roll cassette according to the present invention.

Fig. 4 is a perspective view showing the structure of the main case in the zero-contact cross-infection prevention paper roll carton of the present invention.

Fig. 5 is a perspective view showing the construction of a sub-housing in a zero-contact cross-infection prevention paper roll carton according to the present invention.

Fig. 6 is a perspective view showing the structure of the roll paper pusher in the zero-contact cross-infection prevention roll paper cassette according to the present invention.

Fig. 7 is a perspective view showing the construction of a cutting device in a zero-contact cross-infection prevention paper roll cassette according to the present invention.

Fig. 8 is a perspective view of the construction of the lower cutter in a zero-contact cross infection prevention carton of the present invention.

Fig. 9 is a perspective view of the structure of the driving small wheel in the zero-contact cross infection prevention paper roll box of the invention.

Fig. 10 is a perspective view showing the construction of a driving large wheel in a zero-contact cross infection prevention paper roll cassette according to the present invention.

FIG. 11 is a perspective view of the construction of the knock-down roller support in a zero-contact cross infection prevention carton of the present invention.

Fig. 12 is a perspective view showing the structure of a roll paper support rod in a zero-contact cross infection prevention roll paper cassette according to the present invention.

FIG. 13 is a perspective view showing the construction of a first driving roller in a zero-contact cross infection prevention paper roll cassette according to the present invention.

FIG. 14 is a perspective view showing the structure of a second driving roller in a zero-contact cross infection prevention paper roll cassette according to the present invention.

FIG. 15 is a perspective view of the first knock-down roller in a zero-contact cross infection prevention carton of the present invention.

FIG. 16 is a perspective view showing the structure of a third driving roller in a zero-contact cross infection prevention paper roll cassette according to the present invention.

Part numbers in the above figures: 1-main shell, 2-auxiliary shell, 3-roll paper pushing device, 4-shearing device, 5-lower cutter, 6-driving small wheel, 7-driving large wheel, 8-pushing rolling rod supporting device, 9-roll paper supporting rod, 10-first driving rolling rod, 11-second driving rolling rod, 12-first pushing rolling rod, 13-third driving rolling rod, 14-second pushing rolling rod, 15-tension spring, 16-first spring, 17-second spring, 18-belt, 19-roll paper, 101-side plate, 102-rear plate, 103-clamping point, 104-first chute, 105-roll paper supporting rod fixing buckle, 106-tension spring first fixing rod, 107-driving wheel fixing shaft, 108-first driving rolling rod fixing hole, 109-second driving rolling rod fixing hole, 110-second chute, 111-lower cutter fixing hole, 112-pushing rolling rod supporting device, 113-roll paper pushing device supporting rod mounting groove, 114-first slide hole, 115-screw fixing groove, 201-upper cover, 202-front cover, 203-clamping strip, 204-clamping groove, 205-paper outlet, 301-paper rolling head support plate, 302-first support plate, 303-paper pulling groove, 304-first inclined plane, 305-first guide post, 306-third driving rolling rod fixing hole, 307-first slide rod, 308-first limit handle, 401-upper cutter, 402-second support plate, 403-second inclined plane, 404-third slide groove, 405-extension rod, 406-second slide rod, 407-second guide post, 501-ear, 502-second slide hole, 503-second limit handle, 601-first driving handle, 602-tension spring, second fixing rod, 603-first rotary fixing hole, 701-second driving handle, 702-second rotary fixing hole, 703-first belt rolling groove, 801-sliding block, 802-top tight rolling rod fixing hole, guide post, 803-third guide post, 803-901, gear, 1001-first gear, and second rotary fixing hole, 1002-third limit handle, 1003-first fixing head, 1004-rough rolling surface, 1101-second gear, 1102-fourth limit handle, 1103-second rolling groove of belt, 1104-second fixing head, 1201-avoiding rod, 1202-fifth limit handle, 1203-third fixing head, 1301-fourth fixing head.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings: it should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.

As shown in fig. 1 to 16, a zero-contact paper roll box for preventing cross infection includes a paper roll box body, the paper roll box is composed of a main casing 1 and a sub-casing 2, the sub-casing 2 is installed on the main casing 1, the main casing 1 is composed of a back plate 102 and two side plates 101, the two side plates 101 are respectively located at the left and right sides of the back plate 102, a screw fixing groove 115 is provided in the back plate 102, the two side plates 101 are symmetrical in size, structure and shape, a clamping point 103 is provided at the upper end of each side plate 101, a first sliding groove 104, a paper roll support rod fixing buckle 105, a tension spring first fixing rod 106, a driving wheel fixing shaft 107, a first driving roller fixing hole 108, a second driving roller fixing hole 109, a second sliding groove 110, a lower cutter fixing hole 111, a top tight roller support rod supporting groove 112, and a paper roll pushing device supporting rod 113 are provided on the inner surface of each side plate 101, a first sliding hole 114 is formed in the roll paper pushing device supporting rod 113; the stock form bracing piece in two curb plates 101 is fixed to be detained and is installed stock form bracing piece 9 between 105, install down cutter 5 between the lower cutter fixed orifices 111 in two curb plates 101, install shearing mechanism 4 between the first spout 104 in two curb plates 101, shearing mechanism 4 with cutter 5 is connected down, just shearing mechanism 4 can main shell 1 with slide from top to bottom in the cutter 5 down, between the second spout 110 in two curb plates 101 and install stock form pusher 3 between the stock form pusher bracing piece 113 jointly, just stock form pusher 3 can slide around in the main shell 1, be equipped with first drive roller 10 between the first drive roller fixed orifices 108 in two curb plates 101, be equipped with second drive roller 11 between the second drive roller fixed orifices 109 in two curb plates 101, all install in the tight roller strutting arrangement mounting groove 112 in two curb plates 101 and push up tight

roller strutting arrangement

8, 2 install first tight roller 12 in top between the tight roller strutting arrangement 8 in top, all be equipped with on the drive wheel fixed axle 107 in two curb plates 101 drive steamboat 6 and drive bull wheel 7.

Preferably, the sub-housing 2 is composed of an upper cover 201 and a front cover 202, a card slot 204 and a card strip 203 are arranged in the upper cover 201, and a paper outlet 205 and a card strip 203 are arranged in the front cover 202; the effect that the sub-shell 2 designed like this is for conveniently taking off sub-shell 2 and place installation stock form 19, and the effect of draw-in groove 204 is that prevent sub-shell 2 back and forth slip, and the effect of card strip 203 prevents sub-shell 2 horizontal slip, and card strip 203 has an effect that can be better support to main shell 1, makes main shell 1 have better stability.

Preferably, the roll paper pushing device 3 is composed of a roll paper

head support plate

301 and 2 first support plates 302, the roll paper head support plate 301 is arranged between the 2 first support plates 302, a paper pulling groove 303 is arranged in the middle of the roll paper head support plate 301, the paper pulling groove 303 is used for better pulling out the roll paper 19, a avoiding position is generated when a user pulls paper, the hand of the user does not touch the roll paper head support plate 301, so that cross infection of bacteria, viruses and the like is avoided, the upper end of each first support plate 302 is provided with a first inclined surface 304, the rear end of each first support plate 302 is provided with a first guide pillar 305, the first guide pillar 305 is provided with a first spring 16, the first spring 16 is used for pushing the roll paper pushing device 3 to move forwards when the roll paper pushing device 3 is not subjected to other forces, the head end of the roll paper 19 can be pushed out, the lower end of each first support plate 302 is provided with a third driving rolling rod fixing hole 306 and a jacking rolling rod supporting device installing groove 112, the third driving rolling rod fixing hole 306 is positioned right above the jacking rolling rod supporting device installing groove 112, jacking rolling rod supporting devices 8 are installed in the jacking rolling rod supporting device installing groove 112, a second jacking rolling rod 14 is installed between 2 jacking rolling rod supporting devices 8, the outer side of each first support plate 302 is provided with a first sliding rod 307, and the first sliding rod 307 is provided with a first limit handle 308; the first guide post 305 is connected with the first slide hole 114 in the main housing 1, and the first slide bar 307 is connected with the second slide slot 110 in the main housing 1.

Preferably, the shearing device 4 comprises an

upper cutter

401 and 2 second support plates 402, the upper cutter 401 is arranged between the bottom ends of the 2 second support plates 402, a second inclined surface 403 is arranged on the bottom surface of each second support plate 402, a second guide pillar 407 is arranged at the joint of the upper cutter 401 and each second support plate 402, a third sliding chute 404 is arranged above each second support plate 402, an extension rod 405 is arranged right above each third sliding chute 404, and a second sliding rod 406 is outwards arranged at the upper end of the extension rod 405; the second sliding bar 406 is connected with the first sliding slot 104 in the main shell 1; when the shearing device 4 moves down, due to the interaction of the first inclined plane 304 and the second inclined plane 403, the shearing device 4 will push the roll paper pushing device 3 to move backwards, so that it can be ensured that the upper cutter 401 in the shearing device 4 cannot cut the roll paper pushing device 3, and when the shearing device 4 moves up, due to the action of the first spring 16 in the roll paper pushing device 3, the first spring 16 will push the roll paper pushing device 3 to move forwards, so that the head end of the roll paper 19 can be pushed out.

Preferably, both ends of the lower cutter 5 are sequentially provided with an ear 501 and a second limit handle 503 from inside to outside, and a second sliding hole 502 is formed in the ear 501; the second slide hole 502 is connected to the second guide post 407 of the shearing device 4.

Preferably, a first rotary fixing hole 603 is formed in the middle of the small driving wheel 6, a first driving handle 601 is arranged on the circumferential surface of the small driving wheel 6, a tension spring second fixing rod 602 is arranged at the edge of the inner surface of the small driving wheel 6, and the tension spring second fixing rod 602 is positioned below the first driving handle 601; a tension spring 15 is arranged between the tension spring second fixing rod 602 and the tension spring first fixing rod 106 in the main shell 1; the tension spring second fixing rod 602 is connected with the third sliding groove 404 in the shearing device 4.

Preferably, a second rotary fixing hole 702 is formed in the middle of the driving large wheel 7, a second driving handle 701 is arranged at the edge of the inner surface of the driving large wheel 7, and an annular belt first rolling groove 703 is formed in the circumferential surface of the driving large wheel 7; when the stock form 19 is pulled, the belt 18 will drive the driving bull wheel 7 to rotate counterclockwise, because the second driving handle 701 and the first driving handle 601 in the driving bull wheel 6 interact, the driving bull wheel 6 also can rotate counterclockwise, when the extension spring second fixing rod 602 in the driving bull wheel 6 rotates 9 o 'clock direction, because the effort of extension spring 15, will stimulate the driving bull wheel 6 counterclockwise fast, it is that the extension spring second fixing rod 602 in the driving bull wheel 6 rotates 3 o' clock direction, at this moment, because the effect of extension spring second fixing rod 602, will drive shearing mechanism 4 fast downstream, then fast upward movement again, thereby cut off the stock form 19 that pulls out.

Preferably, the tightening roller support device 8 is composed of a sliding block 801 and a third guide pillar 803, the third guide pillar 803 is located right below the sliding block 801, a tightening roller fixing hole 802 is formed in the sliding block 801, and a second spring 17 is arranged on the third guide pillar 803.

Preferably, the two ends of the roll paper support rod 9 are provided with annular clamping grooves 901; a rough rolling surface 1004 is arranged on the surface of the first driving rolling rod 10, and a first gear 1001, a third limiting handle 1002 and a first fixing head 1003 are sequentially arranged at two ends of the first driving rolling rod 10 from inside to outside; a rough rolling surface 1004 is also arranged on the surface of the second driving rolling rod 11, and both ends of the second driving rolling rod 11 are sequentially provided with a second gear 1101, a belt second rolling groove 1103, a fourth limiting handle 1102 and a second fixing head 1104 from inside to outside; a rough rolling surface 1004 is also arranged on the surface of the first tightening rolling rod 12, and an avoidance rod 1201, a fifth limiting handle 1202 and a third fixing head 1203 are sequentially arranged at both ends of the first tightening rolling rod 12 from inside to outside; a rough rolling surface 1004 is also arranged on the surface of the third driving rolling rod 13, and fourth fixing heads 1301 are arranged at two ends of the third driving rolling rod 13; the third driving rolling rod 13 and the second tightening rolling rod 14 have the same structure size.

Preferably, the first pinch roller 12 is located right below the first drive roller 10, the second pinch roller 14 is located right below the third drive roller 13, the second drive roller 11 is located right in front of the first drive roller 10, and the first gear 1001 in the first drive roller 10 and the second gear 1101 in the second drive roller 11 are connected to each other; a belt 18 is arranged between the belt second rolling groove 1103 in the second driving roller 11 and the belt first rolling groove 703 in the driving sheave 7.

When the present invention is to be used, the sub-housing 2 is removed, the roll paper 19 is mounted on the roll paper support rod 9 in the main housing 1, the first knock-out roller 12 is pulled down, the roll paper head is passed between the first drive roller 10 and the first knock-out roller 12, the first knock-out roller 12 is released, the roll paper 19 is caused to cling to the first drive roller 10 by the first knock-out roller 12 due to the urging force of the second spring 17, the second knock-out roller 14 is pulled down, the roll paper head is passed between the third drive roller 13 and the second knock-out roller 14, the second knock-out roller 14 is released, and the roll paper 19 is caused to cling to the third drive roller 13 by the urging force of the second spring 17 by the second knock-out roller 14.

When the roll paper 19 is to be used, in order to avoid cross infection, the roll paper 19 is pulled at the paper pulling groove 303 in the roll paper pushing device 3, at this time, the first driving roller 10 will rotate clockwise, then the first gear 1001 in the first driving roller 10 will drive the second gear 1101 in the second driving roller 11 to rotate counterclockwise, at this time, the second driving roller 11 will also rotate counterclockwise, then the belt 18 between the second driving roller 11 and the driving large wheel 7 will drive the driving large wheel 7 to rotate counterclockwise, due to the interaction between the second driving handle 701 in the driving large wheel 7 and the first driving handle 601 in the driving small wheel 6, the driving small wheel 6 will also rotate counterclockwise along with the driving large wheel 7, when the second fixing rod 602 in the driving small wheel 6 rotates to 9 o' clock, due to the acting force of the tension spring 15, the driving small wheel 6 will be pulled to rotate counterclockwise rapidly, make extension spring second dead lever 602 in the driving steamboat 6 rotate to 3 o' clock directions, in this process, because the effect of extension spring second dead lever 602, will drive shearing mechanism 4 quick downstream, then quick upstream, thereby cut off the stock form 19 of pulling out, when shearing mechanism 4 quick downstream, will promote stock form pusher 3 and move to the right, also be the inward movement, when shearing mechanism 4 quick upstream, because the effect of first spring 16, will promote stock form pusher 3 and move to the left, also be the outward movement, this moment, because the effect of third drive hob 13 and second puller hob 14, the stock form head also can follow and promote stock form pusher 3 and send out, thereby realize that zero contact prevents cross infection and takes out the effect of using stock form 19.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the inventive concept of the present invention, and all such changes and modifications are within the scope of the present invention.

Claims

1. A zero-contact paper roll box for preventing cross infection comprises a paper roll box body and is characterized in that, the paper rolling box consists of a main shell and an auxiliary shell, the auxiliary shell is arranged on the main shell, the main shell consists of a rear plate and two side plates, the two side plates are respectively positioned at the left side and the right side of the back plate, screw fixing grooves are arranged in the back plate, the size, the structure and the shape of the two side plates are uniform and symmetrical, a clamping point is arranged at the upper end of each side plate, a first sliding groove, a paper roll supporting rod fixing buckle, a tension spring first fixing rod, a driving wheel fixing shaft, a first driving rolling rod fixing hole, a second sliding groove, a lower cutter fixing hole, a jacking rolling rod supporting device mounting groove and a paper roll pushing device supporting rod are arranged on the inner surface of each side plate, and a first sliding hole is formed in the paper roll pushing device supporting rod; the paper roll supporting rod is installed between the paper roll supporting rod fixing buckles in the two side plates, the lower cutter fixing holes in the two side plates are provided with the lower cutter, the first sliding chutes in the two side plates are provided with the shearing device, the shearing device is connected with the lower cutter, the shearing device can slide up and down in the main shell and the lower cutter, the second sliding chutes in the two side plates and the paper roll pushing device supporting rod are provided with the paper roll pushing device together, the paper roll pushing device can slide back and forth in the main shell, the first driving rolling rod is arranged between the first driving rolling rod fixing holes in the two side plates, the second driving rolling rod is arranged between the second driving rolling rod fixing holes in the two side plates, and the jacking rolling rod supporting device is installed in the jacking rolling rod supporting device installing grooves in the two side plates, a first jacking rolling rod is arranged between the two jacking rolling rod supporting devices, and a driving small wheel and a driving large wheel are arranged on driving wheel fixing shafts in the two side plates; the roll paper pushing device consists of a roll paper head supporting plate and two first supporting plates, the roll paper head supporting plate is arranged between the two first supporting plates, the middle part of the paper rolling head support plate is provided with a paper pulling groove, the upper end of each first support plate is provided with a first inclined plane, the rear end of each first supporting plate is provided with a first guide post, the first guide post is provided with a first spring, the lower end of each first supporting plate is provided with a third driving rolling rod fixing hole and a mounting groove for a supporting device of a jacking rolling rod, and the third driving rolling rod fixing hole is positioned right above the mounting groove of the jacking rolling rod supporting device, the jacking roller supporting devices are arranged in the jacking roller supporting device mounting grooves, a second jacking roller is arranged between the two jacking roller supporting devices, a first sliding rod is arranged on the outer side of each first supporting plate, and a first limiting handle is arranged on each first sliding rod; the first guide pillar is connected with a first sliding hole in the main shell, and the first sliding rod is connected with a second sliding groove in the main shell; the shearing device comprises an upper cutter and two second supporting plates, the upper cutter is arranged between the bottom ends of the two second supporting plates, the bottom surface of each second supporting plate is provided with a second inclined surface, the joint of the upper cutter and each second supporting plate is provided with a second guide pillar, a third sliding groove is arranged above each second supporting plate, an extension rod is arranged right above each third sliding groove, and a second sliding rod is outwards arranged at the upper end of each extension rod; the second sliding rod is connected with a first sliding groove in the main shell; a first rotary fixing hole is formed in the middle of the small driving wheel, a first driving handle is arranged on the circumferential surface of the small driving wheel, a tension spring second fixing rod is arranged at the edge of the inner surface of the small driving wheel, and the tension spring second fixing rod is located below the first driving handle; a tension spring is arranged between the tension spring second fixing rod and the tension spring first fixing rod in the main shell; the second tension spring fixing rod is connected with a third sliding groove in the shearing device; a second rotary fixing hole is formed in the middle of the driving large wheel, a second driving handle is arranged at the edge of the inner surface of the driving large wheel, and an annular belt first rolling groove is formed in the circumferential surface of the driving large wheel; two ends of the roll paper supporting rod are provided with annular clamping grooves; the surface of the first driving rolling rod is provided with a rough rolling surface, and both ends of the first driving rolling rod are sequentially provided with a first gear, a third limiting handle and a first fixing head from inside to outside; the surface of the second driving rolling rod is also provided with a rough rolling surface, and both ends of the second driving rolling rod are sequentially provided with a second gear, a belt second rolling groove, a fourth limiting handle and a second fixing head from inside to outside; the surface of the first jacking rolling rod is also provided with a rough rolling surface, and two ends of the first jacking rolling rod are respectively provided with an avoidance rod, a fifth limiting handle and a third fixing head from inside to outside in sequence; the surface of the third driving rolling rod is also provided with a rough rolling surface, and both ends of the third driving rolling rod are provided with fourth fixing heads; the third driving rolling rod and the second jacking rolling rod have the same structure size; when the roll paper is used, in order to avoid cross infection, the roll paper is pulled at a paper pulling groove in the roll paper pushing device, the first driving roller rod rotates clockwise, then the first gear in the first driving roller rod drives the second gear in the second driving roller rod to rotate anticlockwise, at the same time, the second driving roller rod also rotates anticlockwise, then the belt between the second driving roller rod and the driving big wheel drives the driving big wheel to rotate anticlockwise, the driving small wheel also drives the driving big wheel to rotate anticlockwise due to the interaction of the second driving handle in the driving big wheel and the first driving handle in the driving small wheel, when the tension spring second fixing rod in the driving small wheel rotates to 9 o 'clock direction, the driving small wheel is rapidly pulled to rotate anticlockwise due to the acting force of the tension spring, so that the tension spring second fixing rod in the driving small wheel rotates to 3 o' clock direction, in this process, because the effect of extension spring second dead lever, will drive the quick downstream of shearing mechanism, then move up fast again, thereby cut off the stock form that draws out, when shearing mechanism moves down fast, will promote stock form pusher and move right, also move inside promptly, when shearing mechanism moves up fast, because the effect of first spring, will promote stock form pusher and move left, also move outside promptly, this moment, because the effect of the tight roll bar in third drive roll bar and second top, the stock form head also can follow and promote stock form pusher and send out, thereby realize the effect that zero contact prevented cross infection and use the stock form.

2. The zero-contact cross-infection prevention paper roll box according to claim 1, wherein the sub-case is composed of an upper cover and a front cover, the upper cover is provided with a clamping groove and a clamping strip, and the front cover is provided with a paper outlet and a clamping strip.

3. The zero-contact paper roll box for preventing cross infection as claimed in claim 2, wherein both ends of the lower cutter are provided with an ear and a second limit handle in sequence from inside to outside, and the ear is provided with a second slide hole; the second sliding hole is connected with a second guide pillar in the shearing device.

4. The zero-contact cross-infection prevention paper roll box of claim 3, wherein the tightening roller supporting device is composed of a sliding block and a third guide pillar, the third guide pillar is located right below the sliding block, a tightening roller fixing hole is formed in the sliding block, and a second spring is arranged on the third guide pillar.

5. The zero-contact cross-infection prevention paper roll cassette of claim 4, wherein the first pinch roller is located right below the first driving roller, the second pinch roller is located right below the third driving roller, the second driving roller is located right in front of the first driving roller, and the first gear of the first driving roller and the second gear of the second driving roller are connected with each other; and a belt is arranged between a belt second rolling groove in the second driving rolling rod and a belt first rolling groove in the driving large wheel.