TWM555196U - Paper feeding device - Google Patents

Abstract

A paper feeding device includes a frame, a cutting roller, a first guiding roller, a second guiding roller and a covering member. The cutting roller includes a cutting blade and is rotatably mounted to the frame. The first guiding roller is adjacent to the cutting roller and rotatably mounted to the frame. The second guiding roller is adjacent to the cutting roller and rotatably mounted to the frame. A gap is formed between the frame and an outer periphery of the second guiding roller. The covering member is disposed on the frame and extends across the gap to the second guiding roller. The paper is held and transferred by the first guiding roller and the cutting roller which are rotating, and also by the second guiding roller and the cutting roller which are rotating, and cut by the blade of the cutting roller. The paper is also provided on one side away from the gap through the covering member.

Description

Paper supply device

The present invention relates to a paper supply device, and more particularly to a paper supply device for guiding a paper material away from a gap between a support and a roller to smoothly convey the paper.

In the sanitary equipment of the toilet, the paper towel supply device is one of the commonly used devices. In such a paper towel supply device, the paper towel is disposed in the supply device in a continuous paper roll manner, and the user pulls the paper material from the supply device after washing the hand, and is set by the supply device. The cutting knife can form a cutting mark on the paper roll during the pulling process of the paper material. When the user continues to pull out the paper material, the paper paper towel can be torn up and down along the cutting mark, so that it can be appropriately obtained. The length of the paper towel.

Referring to Figure 1, there is shown a conventional paper towel supply device. The conventional paper towel feeding device comprises a bracket 10, a first guiding roller 20, a cutting roller 30 and a second guiding roller 40. The first guiding roller 20 is adjacent to the cutting roller. 30. The second guiding roller 40 is adjacent to the cutting roller 30. The paper roll of the paper towel is disposed behind the first guiding roller 20. The continuous paper towel P pulled out from the paper roll is guided by the first guiding roller. The rolling clamping of the sub-winding roller 30 and the cutting roller 30 and the rolling of the second guiding roller 40 and the cutting roller 30 are carried by the cutting roller 30 and output by the second guiding roller 40. The user can rotate the first guiding roller 20, the cutting roller 30 and the second guiding roller 40 by pulling the paper towel P, and in the direction of the paper ejection, the bracket 10 and the second guiding A gap G is formed between the rollers 40, and the paper towel P is easily moved toward the paper cutting roller 30 via the gap G at the time of paper discharge and via the second guide roller 40 and/or the paper cutting roller 30. Continuously rotating and wound on the second guide roller 40 causes a problem that paper ejection is impossible, and since the paper towel P is wound inside the paper towel supply device unless the hand towel is opened for The outer casing of the device can not be removed, so the user cannot eliminate the fault by himself and must rely on the maintenance personnel or the cleaning personnel.

In addition, referring to FIG. 2, at two opposite positions of the circumference of the edge of the paper cutting roller 30 (180 degrees apart), a blocking portion 32 is provided, and the blocking portion 32 extends in a direction adjacent to the cutting roller. The bracket 10 of the 30 is provided with a blocking piece 12 and a spring piece 14 , and the blocking piece 12 is slidably engaged with the blocking portion 32 by the elastic force of the elastic piece 14 , so that the cutting roller 30 can only face Rotating in the opposite direction to the direction in which the blocking portion 32 extends. When the user pulls the paper towel P hard and the paper towel P breaks along the cut, the paper towel P in the paper towel supply device is retracted by the reaction force, and the paper cutting roller 30 is rotated in the opposite direction. At this time, the blocking portion 32 functions to stop the cutting roller 30 at an appropriate position, so as to avoid the problem that the degree of retraction of the paper towel P is too large to cause accumulation and clogging, but the conventional structure shown in FIG. 2 is only A retaining portion 32 is provided at two opposite positions of the edge of the cutting roller 30, and when the paper towel P is retracted by the reaction force to cause the cutting roller 30 to rotate in the opposite direction, the cutting roller 30 The angle of the paper towel P is retracted by a considerable angle to encounter the function of the stop of the latching portion 32, so that the degree of retraction of the paper towel P is too large, and the user must rotate the connection with the cutting roller 30. The knob 60 (not shown) can cause the paper towel P to be exposed to an appropriate length again, which is quite inconvenient.

Referring to FIG. 3, in some conventional paper towel feeding devices, the shaft portion of the second guide roller 40 is disposed on the bracket 10, and a gap G1 is formed between the shaft portion and the bracket 10, so that the first The two guiding rollers 40 will not contact the cutting roller 30, and the second guiding roller 40 will not rotate, so when the paper towel P passes the second guiding roller 40, the paper towel P and the second guiding The friction between the rollers 40 causes the user to use more force when pulling the paper towel P, so that the paper is not smooth, and it is often easy to tear the paper towel P, resulting in inconvenience in use.

The present invention provides a paper supply device, wherein a cover member is disposed on the bracket, and the cover member extends toward the second guide roller and covers a gap between the second guide roller and the bracket, so that the second guide roller outputs The paper material is guided by the covering member to pass over the gap between the second guiding roller and the bracket, and is not wound around the cutting roller by the gap and is wound around the second guiding roller. Causes problems that cannot be ejected. In addition, the paper supply device of the present invention places a plurality of stoppers on the edge of the paper cutting roller and concentrates on a specific angle range. When the paper is retracted and the paper cutting roller is rotated, In a short distance, one of the stoppers can be engaged with the blocking piece to stop the cutting roller, so that the length of the paper retracting is not too large, and the product can be exposed to the paper feeding device, so that the user can continue Pull and use. Moreover, in the paper supply device of the present invention, the filler is filled in the gap between the shaft portion of the second guide roller and the bracket, so that the second guide roller is kept in contact with the cutting roller, and the paper is discharged. Smoothness.

Other objects and advantages of the present work can be further understood from the technical features disclosed in the present disclosure.

An embodiment of the paper feeding device provided by the present invention includes a bracket, a paper cutting roller, a first guiding roller, a second guiding roller, and the like for one or a part or all of the above or other purposes. Covering parts. The bracket includes two oppositely disposed support portions and a cross bar disposed laterally between the support portions and connected to the support portions, and the paper cutting roller is rotatably disposed between the brackets and has a cutter. The first guiding roller is adjacent to the paper cutting roller and rotatably disposed between the supporting portions, and the paper material is fed from the adjacent position of the first guiding roller and the cutting roller, and the second guiding roller The sub-adjacent to the cutting roller is rotatably disposed between the supporting portions, and the paper material is discharged from the abutting portion of the second guiding roller and the cutting roller, and the cross bar is adjacent to the second guiding roller Forming a gap with the outer peripheral surface of the second guide roller, the cover member is disposed on the cross bar and covering the gap, wherein the paper material is rolled by the first guide roller and the paper cutting roller The second guide roller is conveyed and conveyed by the rolling contact of the paper cutting roller and cut out by the cutter, and the paper is output through a side of the covering member away from the gap.

In an embodiment of the present invention, the cover member extends to the second guide roller and covers a portion of the second guide roller.

In an embodiment of the present invention, the bracket further includes a covering portion formed between the supporting portions and connecting the supporting portion, the covering portion having a first end wall and a second end wall, the covering portion surrounding the cutting paper An outer peripheral surface of a portion of the roller, the first end wall being adjacent to the first guide roller, the second end wall being located at the cross bar and adjacent to the second guide roller, and at the second end wall and the second guide The gap is formed between the rollers, and the paper material is clamped into a space formed between the covering portion and the cutting roller from a side adjacent to the first guiding roller and the cutting roller, and is second The side of the guide roller adjacent to the cutting roller leaves the space.

In an embodiment of the present invention, the cover member is fixed to the bracket and has a fixed portion adjacent to the second end wall.

In an embodiment of the present invention, the paper feeding device further includes a knob connected to the cutting roller. When the knob is rotated, the knob drives the cutting roller to rotate.

In an embodiment of the present invention, the paper cutting roller includes a plurality of stoppers disposed at an end edge of the paper cutting roller and extending in a radial direction of the paper cutting roller. The paper supply device further comprises a baffle and an elastic member, the baffle is rotatably disposed on the bracket, the elastic member is biased to the baffle, and the baffle is engaged with one of the stoppers, and the cutting roller is restricted It can only be turned in one direction.

In an embodiment of the present creation, the resilient member may be a compression spring.

In an embodiment of the present creation, the compression spring may be curved and urged against the side of the compression spring.

In an embodiment of the present creation, the number of stops may be greater than or equal to three, and the stops are distributed over a 360 degree angle of the circumference of the end edge of the cutting roller.

In an embodiment of the present invention, the second guiding roller has a shaft portion, and the shaft portion is mounted on the bracket. At the mounting portion, a gap is formed between the shaft portion and the bracket, and the filler is filled in the gap to make the second guiding roller The sub remains adjacent to the cutting roller.

In an embodiment of the present creation, the filler material may be an adhesive material.

Since the present invention uses a covering member, the paper can be wound back to the second guiding roller by the covering member over the gap without entering the gap. In addition, by concentrating a plurality of stoppers in a range of angles, when the cutting roller is rotated in a direction to retract the paper, a stopper having a stopper function can be encountered in a short distance. The length of the paper retracted will not be too much, and subsequent users can still use it. The second guiding roller is kept adjacent to the cutting roller by filling the gap between the shaft portion of the second guiding roller and the bracket, so that the second guiding guide is when the paper is discharged. Rolling and holding the paper between the roller and the cutting roller allows the user to easily pull the paper without tearing the paper.

The term "paper" as used in this creation refers to any paper that can be applied to the present paper supply device, and examples thereof include, but are not limited to, paper towels, toilet paper, kitchen paper towels, and the like.

The above and other objects, features and advantages of the present invention will become more apparent and understood.

The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments. The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only directions referring to the additional drawings. Therefore, the directional terminology used is used to illustrate that it is not intended to limit the creation.

Referring to Figure 4, an embodiment of the paper supply device of the present invention is shown. The paper feeding device 100 of the present invention includes a bracket 110, a paper cutting roller 120, a first guiding roller 130, a second guiding roller 140, and a covering member 150. The bracket 110 is disposed inside the paper feeding device, and is The housing (not shown) is covered. In the embodiment, the bracket 110 includes two supporting portions 111 and a cross bar 113 (refer to FIG. 6 ). The cross bar 113 is laterally disposed between the two supporting portions 111 and cuts the paper. The roller 120 is rotatably disposed between the two supporting portions 111 and has a cutter (not shown). The first guiding roller 130 is adjacent to the cutting roller 120 and rotatably disposed at the two supporting portions 111. The second guiding roller 140 is adjacent to the cutting roller 120 and rotatably disposed between the two supporting portions 111. Therefore, when the cutting roller 120 rotates, the first guiding roller 130 is frictionally driven. Rotating together with the second guiding roller 140, the crossbar 116 is adjacent to the second guiding roller 140, and a gap G is formed between the outer guiding surface of the second guiding roller 140, and the covering member 150 is disposed on the bracket 110. Up and extending over the gap G to the second guide roller 140, in the present embodiment, the cover member 150 covers the gap G. The continuous paper Q is from the paper roll disposed behind the first guide roller 130, the rolling contact of the first guide roller 130 and the paper cutting roller 120, and the second guide roller 140 and cutting The rolling contact of the paper roller 130 is conveyed and transmitted by the rotation of the paper cutting roller 120, and the cutting blade of the paper cutting roller 120 cuts a cut mark to the paper material Q, and the paper discharge port of the paper feeding device 100 is formed in the foregoing. The housing is disposed under the second guiding roller 140, and after the paper Q leaves the second guiding roller 140, moves toward the lower paper exit port, because the covering member 150 covers the gap G, the paper material The Q is outputted through the side of the cover member 150 away from the gap G to prevent the paper Q from entering the gap G and being wound back to the second guide roller 140.

In this embodiment, the bracket 110 further includes a covering portion 112 formed between the supporting portions 111 and connecting the two opposite supporting portions 111 and surrounding from the first guiding roller 130 to the second The outer peripheral surface of the portion of the cutting roller 120 between the guide rollers 140 has a first end wall 114 and a second end wall 116. The first end wall 114 is adjacent to the first guide roller 130, and the second end The wall 116 is located at the crossbar 113 and adjacent to the second guide roller 140. The gap G is formed between the second end wall 116 and the second guide roller 140, and the paper Q is from the first guide roller 130. One side adjacent to the paper cutting roller 120 is clamped into a space formed between the covering portion 112 and the paper cutting roller 120, and from the abutment of the second guiding roller 140 and the paper cutting roller 120 One side leaves the space.

As shown in FIG. 4, the cover member 150 is fixed to the bracket 110 and is fixed adjacent to the second end wall 116. In order to achieve a better guiding effect, that is, to ensure that the paper Q can be guided away from the gap G, the covering member 150 extends to the second guiding roller 140 and covers a portion of the second guiding roller 140. In another embodiment, the end of the covering member 150 can also be formed into a circular arc shape and extended to the outer peripheral surface of the portion surrounding the second guiding roller 140, so that the paper Q can be more easily guided when it is output. Leaving away from the gap G. In addition, in order to keep the second guiding roller 140 smoothly rotating, a slight distance between the covering member 150 and the second guiding roller 140 can be maintained without directly contacting the second guiding roller 140, and the covering member 150 can be It is attached to the bracket 110 by bolts or is fixed to the bracket 110 with an adhesive.

By guiding the paper material Q over the gap G by the covering member 150, it is possible to prevent the paper material Q from entering the gap G and being rolled back to the second guiding roller 140. In addition, the covering member 150 is not limited to the plate covering the gap G, In another embodiment, it may also be a grid-like or mesh, and is not limited to covering the entire gap G. In another embodiment, it may also cover only a part of the gap G, as long as the paper Q can be avoided. Just enter the gap G.

Referring to Figure 5, there is shown another embodiment of the paper supply device of the present invention. 5 is viewed from the direction of the cutting roller 120 toward the bracket 110. The cutting roller 120 includes a plurality of stoppers 122 disposed at the end edge 124 of the cutting roller 120. The stoppers 122 are successively connected. Arranged along the end edge 124 of the paper cutting roller 120, each stopper 122 protrudes in the radial direction of the paper cutting roller 120 and extends in the circumferential direction of the paper cutting roller 120 and gradually increases in the radial direction. Then, the retaining wall 1224 is formed at the end. The paper feeding device 100 of the embodiment further includes a blocking piece 126 and an elastic member 128. The blocking piece 126 is rotatably disposed on the bracket 110, and the blocking piece 126 is curved, and the front end is slidable. The retaining member 122 is biased to the blocking piece 126 by the elastic member 128, so that the blocking piece 126 is engaged with the blocking wall 1224 of one of the stopping members 122, thereby restricting the cutting roller 120 to only one direction. Turn. In the present embodiment, the elastic member 128 is a compression spring, and the compression spring is bent and urges the blocking piece 126 with the side of the compression spring to push the front end of the blocking piece 126 against the stopper 122. In the present embodiment, the number of the stoppers 122 is greater than or equal to three, and the stoppers 122 are distributed within a range of 180 degrees of the circumference of the end edge of the cutting roller 120, in this embodiment. The number of the stoppers 122 is six, and is distributed on the right half of the edge of the cutting roller 120. In another embodiment of the present creation, the stops 122 may be distributed over a 360 degree angle of the circumference of the end edge of the cutting roller 120.

By arranging a plurality of stoppers 122 in a range of angles, when the cutter roller 30 is rotated in the direction in which the paper Q is retracted, a stopper having a stopper effect can be encountered in a short distance. 122, the length of the paper material Q retracted is not too much, and some of the paper material Q may still be exposed outside the paper material supply device 100, so that the subsequent user can continue to pull the paper material Q, and the rotation connection is not required. The knob 160 of the paper cutting roller 120 (see Fig. 6). If the end of the paper material is not exposed to the paper supply device 100 when the paper material Q is retracted, or the exposed length is too short to be easily pulled, the user can still rotate the knob 160 to expose the paper material Q to an appropriate length. Pull again.

Please refer to Fig. 6, which shows another embodiment of the paper supply device of the present invention. The second guide roller 140 has a shaft portion 142. The shaft portion 142 is mounted on the bracket 110. At the mounting portion thereof, a gap is formed between the shaft portion 142 and the bracket 110, and the filler F is filled in the gap to make the second guide roller. The 140 remains adjacent to the cutting roller 120. In this embodiment, the filler material may be an adhesive material such as a hot melt adhesive.

The filler material F is filled in the gap between the shaft portion of the second guide roller 140 and the bracket 110, so that the second guide roller 140 is kept adjacent to the paper cutting roller 120, so that the paper Q is discharged. When the second guide roller 140 and the cutting roller 120 are kept rolling, the paper Q is held, and the user can easily pull the paper Q without tearing the paper Q.

However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited by this, that is, the simple equivalent change and modification made by the applicant according to the scope of the patent application and the new description content, All are still covered by this creation patent. In addition, any embodiment or application of the present invention is not required to achieve all of the objects or advantages or features disclosed in the present disclosure. In addition, the abstract sections and headings are only used to assist in the search for patent documents and are not intended to limit the scope of the invention. In addition, the terms "first" and "second" as used in the specification or the scope of the patent application are used only to name the elements or to distinguish different embodiments or ranges, and are not intended to limit the number of elements. Upper or lower limit.

10‧‧‧ bracket
12‧‧ ‧Flap
14‧‧‧Shrap
20‧‧‧First guide roller
30‧‧‧paper roller
32‧‧‧ card stop
40‧‧‧Second guide roller
60‧‧‧ knob
100‧‧‧paper supply unit
110‧‧‧ bracket
111‧‧‧Support Department
112‧‧‧Covering Department
113‧‧‧crossbar
114‧‧‧First end wall
116‧‧‧second end wall
120‧‧‧paper roller
122‧‧‧stops
124‧‧‧ edge
126‧‧ ‧Flap
128‧‧‧Flexible parts
130‧‧‧First guide roller
140‧‧‧Second guide roller
142‧‧‧Axis
150‧‧‧ Covering parts
160‧‧‧ knob
1224‧‧ ‧ retaining wall
F‧‧‧Filling materials
G, G1‧‧‧ gap
P‧‧‧hand towel Q‧‧‧paper

Fig. 1 is a side view of a conventional paper supply device. 2 is a partial schematic view of another conventional paper supply device. Fig. 3 is a schematic perspective view of another conventional paper supply device. Fig. 4 is a side view showing an embodiment of the paper supply device of the present invention. Figure 5 is a partial schematic view of another embodiment of the paper supply device of the present invention. Fig. 6 is a perspective view showing another embodiment of the paper supply device of the present invention.

100‧‧‧paper supply unit

110‧‧‧ bracket

112‧‧‧Covering Department

114‧‧‧First end wall

116‧‧‧second end wall

120‧‧‧paper roller

130‧‧‧First guide roller

140‧‧‧Second guide roller

150‧‧‧ Covering parts

G‧‧‧ gap

Q‧‧‧paper

Claims (11)

A paper feeding device for continuously feeding a paper material, the paper feeding device comprising: a bracket comprising two oppositely disposed supporting portions and a cross bar disposed laterally between the supporting portions and connected The support portion; a paper cutting roller rotatably disposed between the support portions and having a cutter; a first guide roller adjacent to the paper cutting roller and rotatably disposed Between the support portions, the paper feeds paper from the abutting portion of the first guide roller and the cutting roller; a second guide roller adjacent to the cutting roller and rotatable Disposed between the support portions, the paper material is discharged from the abutting portion of the second guiding roller and the cutting roller, the cross bar is adjacent to the second guiding roller, and the same Forming a gap between the outer peripheral surfaces of the two guide rollers; and a covering member disposed on the cross bar and covering the gap, wherein the paper is rolled by the first guiding roller and the cutting roller The clamping and the second guiding roller are conveyed and conveyed by the rolling clamping of the cutting roller, and the cutting is cut by the cutting knife. Paper through the cover member away from the output side of the gap. The paper supply device of claim 1, wherein the covering member extends to the second guiding roller and covers a portion of the second guiding roller. The paper feeding device of claim 1, wherein the bracket further comprises a covering portion formed between the supporting portions and connecting the supporting portions, the covering portion having a a first end wall and a second end wall, the covering portion surrounding an outer peripheral surface of a portion of the cutting roller, the first end wall being adjacent to the first guiding roller, the second end wall being located at the horizontal The rod is adjacent to the second guiding roller, and the gap is formed between the second end wall and the second guiding roller, the paper material from the first guiding roller and the cutting roller One side of the abutment is clamped into a space formed between the cladding portion and the cutting roller, and the space is separated from a side of the second guide roller adjacent to the cutting roller . The paper supply device of claim 3, wherein the covering member is fixed to the bracket and the fixing portion is adjacent to the second end wall. The paper feeding device of claim 1, further comprising a knob connected to the cutting roller, the knob driving the cutting roller to rotate when the knob is rotated. The paper feeding device according to claim 1 or 5, wherein the paper cutting roller comprises a plurality of stoppers disposed at an edge of the cutting roller and facing the diameter of the cutting roller Extendingly, the paper feeding device further comprises a blocking piece and an elastic member, the blocking piece is rotatably disposed on the bracket, the elastic member is biased to the blocking piece, and the blocking piece is engaged with the stopping block One of the pieces, and the cutting roller is restricted to rotate in only one direction. The paper supply device of claim 6, wherein the elastic member is a compression spring. The paper supply device of claim 7, wherein the compression spring is bent and urges the flap with a side of the compression spring. The paper feeding device according to claim 6, wherein the number of the stoppers is greater than or equal to three, and the stoppers are distributed on the circumference of the edge of the cutting roller. Within a 360 degree angle range. The paper feeding device of claim 1, wherein the second guiding roller has a shaft portion, the shaft portion is mounted to the bracket, and a gap is formed between the shaft portion and the bracket at the mounting portion A filler material is filled in the gap to maintain the second guide roller adjacent to the cutting roller. The paper supply device according to claim 10, wherein the filler is an adhesive material.