CN111675002A

CN111675002A - Press tensile supplementary operative installations of domestic plastic wrap

Info

Publication number: CN111675002A
Application number: CN202010551348.5A
Authority: CN
Inventors: 陈磊; 陈淑华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2020-09-18

Abstract

The invention provides a pressing and stretching-based household preservative film auxiliary using device, and relates to the technical field of preservative films. This supplementary operative installations of domestic plastic wrap based on press down tensile, the novel nipple rectifier comprises a cylindrical shel, the inside of barrel rotates and is connected with the stand, the peripheral cover of stand is equipped with the plastic wrap, the right side elastic connection of the inside plastic wrap of barrel has the guide roll, the inside elastic connection on barrel right side has the stopper, the bottom sliding connection of barrel has the slide, the left end fixedly connected with first spring of slide. This supplementary operative installations of domestic plastic wrap based on press down tensile can make the plastic wrap stable and level and draw out, and convenient operation is laborsaving, has improved the effect of parcel, can carry out fore-and-aft direct shearing to the plastic wrap, has avoided tearing to lead to the plastic wrap port by the tensile and uneven phenomenon of transition, is favorable to next normal use, has avoided the waste to the plastic wrap simultaneously.

Description

Press tensile supplementary operative installations of domestic plastic wrap

Technical Field

The invention relates to the technical field of preservative films, in particular to a pressing and stretching-based household preservative film auxiliary using device.

Background

The preservative film is a plastic film which is used as a kitchen article, can block moisture and prevent air from directly contacting with food, is mainly used for cooking, holding and preserving food in a kitchen or used for manufacturing materials which can be simply cleaned, and is popular with people due to the characteristics of convenience, economy and attractiveness.

And the plastic wrap all twines into cylindricly when the packing, need expand the rupture film draft when using, and because the plastic wrap texture is soft, and certain width has, at bare-handed draft in-process, the shrink folding takes place easily in the centre, unable fine expansion, the operation is hard, and the effect of parcel has been reduced, and after the parcel is accomplished, because the plastic wrap has good toughness, the port that the tradition torn cut off the mode and lead to the plastic wrap very easily is by transition stretch and not smooth, influence next normal use, also cause the waste to the plastic wrap easily.

In order to solve the problems, the inventor provides a pressing and stretching-based household preservative film auxiliary using device, so that a preservative film can be stably, flatly and smoothly drawn out, the operation is convenient and labor-saving, the wrapping effect is improved, the preservative film can be longitudinally and directly sheared, the phenomenon that a preservative film port is excessively stretched and uneven due to tearing is avoided, the next normal use is facilitated, and the waste of the preservative film is avoided.

Disclosure of Invention

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a supplementary operative installations of domestic plastic wrap based on press down tensile, includes barrel, stand, plastic wrap, guide roll, stopper, slide, first spring, shear slice, wind-up roll, pull wire, press the clamp plate, torsional spring, ratchet, pawl, bull stick, second spring.

Wherein:

the interior of the cylinder body is rotatably connected with an upright post, the periphery of the upright post is sleeved with a preservative film, the right side of the preservative film in the cylinder body is elastically connected with a guide roller, the inner part of the right side of the cylinder body is elastically connected with a limiting block, the bottom of the cylinder body is connected with a sliding plate in a sliding way, the left end of the sliding plate is fixedly connected with a first spring, the right end of the sliding plate is fixedly provided with a shear blade, the front side and the rear side of the cylinder body are rotationally connected with a winding roller, the periphery of the winding roller is wound with a traction wire, the right end of the traction wire is fixedly connected with a pressing plate, the periphery of one side of the winding roller is fixedly connected with a torsion spring, the other stable side of the wind-up roll is fixedly provided with a ratchet wheel, the periphery of the ratchet wheel in the cylinder body is rotationally connected with a pawl, the pawl is kept away from the one end fixed mounting in barrel center and is had the bull stick, the bottom fixedly connected with second spring of bull stick.

Preferably, the stand rotates to be connected at the center of barrel, just the plastic wrap is the tube-shape packing to the periphery of rotation connection at the stand, the apron has been cup jointed to one side of barrel, can change the inside plastic wrap of barrel through opening the apron, is carrying out the in-process of tractive to the rupture disc simultaneously, can make the plastic wrap rotate in the periphery of stand.

Preferably, the quantity of stopper is total two, and the symmetric distribution is in barrel right side open-ended upper and lower both sides, and inwards extension, two gap between the stopper and the thickness looks adaptation of plastic wrap, consequently for the plastic wrap can keep at barrel right side open-ended central authorities.

Preferably, the shear blade is elastic metal sheet, and spacing sliding connection is in the inside of barrel to be linked together with the opening on barrel right side, just the sawtooth mouth has been seted up to shear blade's bottom, makes shear blade can extend to barrel right side open-ended inside, and utilizes the sawtooth mouth to realize cuting.

Preferably, the combination of the winding roller, the traction wire and the ratchet wheel is two groups, the two groups are symmetrically distributed in the inner walls of the front side and the rear side of the barrel, and the traction wires on the front side and the rear side are fixedly connected with the front side and the rear side of the left end of the pressing plate respectively, so that the stable pull-back of the pressing plate can be realized by the traction wire in the rotation process of the winding roller.

Preferably, the pressing plate is bent, the upper side and the lower side are bent to the left side and are inclined towards the middle, the opening and closing width of the left end of the pressing plate is smaller than the width of the right opening of the cylinder, and the width of the right end of the pressing plate is larger than the width of the right opening of the cylinder, so that when the pressing plate is contracted to the inside of the right opening of the cylinder, the opening right end is limited by the pressing plate, the left side of the pressing plate can be inwards contracted, and the port of the preservative film is clamped.

Preferably, the inclination direction of the peripheral latch of the ratchet wheel is opposite to the rotation direction of the winding roller when the winding roller is pulled, and the ratchet wheel is matched with the pawl, so that the winding roller can be kept stable by matching the ratchet wheel with the pawl in the process of stretching the preservative film to enable the winding roller to rotate, and the preservative film cannot be pulled back in the wrapping process.

The invention provides a pressing and stretching-based household preservative film auxiliary using device. The method has the following beneficial effects:

1. this supplementary operative installations of domestic plastic wrap based on press down tensile, through stopper and the design according to the clamp plate in the opening of barrel left side, the in-process that contracts after using according to the clamp plate, can stabilize the centre gripping to the plastic wrap port between the stopper, the cooperation is pressed the clamp plate left end pull wire and is connected in the outlying winding of wind-up roll, and the cooperation of wind-up roll one side ratchet and pawl, can make and press the clamp plate to carry out stable and smooth tractive to the plastic wrap, it is when using, only need extrude press the clamp plate and outwards tensile can, in the time of more laborsaving, also improve the effect of parcel.

2. This supplementary operative installations of domestic plastic wrap based on press down tensile, through barrel top peripheral spacing elastic sliding connection's slide and the cooperation of cutting the section, after using the plastic wrap, can make the plastic wrap of cutting the section to the stopper right side cut through promoting the slide, avoided tearing to lead to the plastic wrap port by the tensile and uneven phenomenon of transition, be favorable to next normal use, avoided the waste to the plastic wrap simultaneously.

Drawings

FIG. 1 is a cross-sectional view of a structure of the present invention in use;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2;

FIG. 4 is a cross-sectional view showing the inner structure of the front and rear end faces of the cylinder according to the present invention;

fig. 5 is a schematic structural view of the bottom of the shear blade of the present invention.

In the figure: 1. a barrel; 2. a column; 3. a preservative film; 4. a guide roller; 5. a limiting block; 6. a slide plate; 7. a first spring; 8. cutting into slices; 9. a wind-up roll; 10. a pull wire; 11. a pressing plate; 12. a torsion spring; 13. a ratchet wheel; 14. a pawl; 15. a rotating rod; 16. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

The embodiment of the auxiliary using device for the household preservative film based on pressing and stretching comprises the following steps:

referring to fig. 1-5, a pressing and stretching-based household plastic wrap auxiliary using device comprises a cylinder 1, an upright post 2, a plastic wrap 3, a guide roller 4, a limiting block 5, a sliding plate 6, a first spring 7, a shear blade 8, a winding roller 9, a traction wire 10, a pressing plate 11, a torsion spring 12, a ratchet 13, a pawl 14, a rotating rod 15 and a second spring 16.

Wherein:

the inner part of the cylinder body 1 is rotatably connected with a column 2, the column 2 is rotatably connected with the center of the cylinder body 1, the preservative film 3 is in a cylindrical package and is rotatably connected with the periphery of the column 2, a cover plate is sleeved on one side of the cylinder body 1, the preservative film 3 in the cylinder body 1 can be replaced by opening the cover plate, meanwhile, in the process of drawing the preservative film 3, the preservative film 3 can rotate on the periphery of the column 2, the preservative film 3 is sleeved on the periphery of the column 2, the right side of the preservative film 3 in the cylinder body 1 is elastically connected with a guide roller 4, the inner part on the right side of the cylinder body 1 is elastically connected with limit blocks 5, the number of the limit blocks 5 is two, the two limit blocks are symmetrically distributed on the upper side and the lower side of the right side opening of the cylinder body 1 and extend inwards, the gap between the two limit blocks 5 is matched with the thickness, the bottom of the cylinder body 1 is connected with a sliding plate 6 in a sliding way, the left end of the sliding plate 6 is fixedly connected with a first spring 7, the right end of the sliding plate 6 is fixedly provided with a shearing sheet 8, the shearing sheet 8 is an elastic metal sheet, the limiting sliding connection is arranged in the cylinder body 1, and is communicated with the opening at the right side of the cylinder body 1, and the bottom end of the shearing sheet 8 is provided with a sawtooth opening, so that the shearing sheet 8 can extend to the inside of the opening at the right side of the cylinder body 1 and realize shearing by utilizing the sawtooth opening, through the matching of the sliding plate 6 and the shearing sheet 8 which are connected in a limiting and elastic sliding way at the periphery of the top of the cylinder body 1, after using plastic wrap 3, can make the plastic wrap 3 on shear blade 8 to stopper 5 right side cut through promoting slide 6, avoided tearing to lead to plastic wrap 3 port by the tensile and uneven phenomenon of transition, be favorable to next normal use, avoided the waste to plastic wrap 3 simultaneously.

The front side and the rear side of the cylinder body 1 are rotatably connected with a winding roller 9, the combination of the winding roller 9, the traction lines 10 and the ratchet wheel 13 is divided into two groups, the two groups are symmetrically distributed in the inner walls of the front side and the rear side of the cylinder body 1, the traction lines 10 of the front side and the rear side are respectively fixedly connected with the front side and the rear side of the left end of the pressing plate 11, therefore, in the rotation process of the winding roller 9, the pressing plate 11 can be stably pulled back by the traction lines 10, the traction lines 10 are wound on the periphery of the winding roller 9, the right end of the traction lines 10 is fixedly connected with the pressing plate 11, the pressing plate 11 is bent, the upper side and the lower side are bent towards the left side and inclined towards the middle, the opening width of the left end of the pressing plate 11 is smaller than the opening width of the right side of the cylinder body 1, the width of the right end of the cylinder body 1 is larger, so that the left side of the pressing plate 11 can contract inwards to clamp the port of the preservative film 3, the periphery of one side of the winding roller 9 is fixedly connected with a torsion spring 12, the other stable side of the winding roller 9 is fixedly provided with a ratchet 13, the inclination direction of peripheral latch of the ratchet 13 is opposite to the rotation direction of the winding roller 9 when being pulled, and the ratchet 13 is matched with a pawl 14, so that the winding roller 9 can be kept stable by matching the ratchet 13 with the pawl 14 in the process of stretching the preservative film 3 to enable the preservative film 3 to rotate the winding roller 9, the preservative film 3 can not be pulled back in the wrapping process, the periphery of the ratchet 13 inside the cylinder 1 is rotatably connected with the pawl 14, one end of the pawl 14, which is far away from the center of the cylinder 1, is fixedly provided with a rotating rod 15, the bottom of the rotating rod 15 is fixedly connected with a second spring 16, and through the design of the limiting block 5 and the, the in-process that contracts back after pressing the board 11 uses, can stabilize the centre gripping to plastic wrap 3 port between the stopper 5, the cooperation is pressed board 11 left end pull wire 10 and is connected in the outlying winding of wind-up roll 9 according to the cooperation, and the cooperation of wind-up roll 9 one side ratchet 13 and pawl 14, can make and press board 11 to carry out stable and smooth tractive to plastic wrap 3 according to the board, it when using, only need extrude press board 11 and outside tensile can, in the time of more laborsaving, also improve the effect of parcel.

When the fresh-keeping film packaging machine is used, the cover plate on one side of the barrel body 1 is firstly opened, the purchased fresh-keeping film 3 is sleeved on the periphery of the upright post 2 in the barrel body 1, the port of the fresh-keeping film 3 is pulled towards the right side, the limited block 5 in the right side of the barrel body 1 penetrates through the port, the port of the fresh-keeping film 3 is clamped by the pressing plate 11, then the cover plate is covered, when the fresh-keeping film packaging machine is used, the pressing plate 11 is kept pressed, the fresh-keeping film 3 is pulled outwards, the winding rollers 9 in the front and back sides of the barrel body 1 can be driven to rotate under the action of the traction wire 10 in the process that the pressing plate 11 moves outwards, the winding rollers 9 cannot rotate under the matching of the ratchet 13 on one side of the winding rollers 9 and the peripheral pawls 14, so that the fresh-keeping film 3 can be stably pulled out for any length, and then the fresh-keeping film 3 is pulled to wrap the opening of a container filled, after the wrapping is finished, the sliding plate 6 is pushed downwards to drive the cutting plate 8 to move towards one side close to the opening at the right side of the cylinder 1 and extend to the inside of the opening, the preservative film 3 is cut, after the cutting is finished, the sliding plate 6 is released to drive the cutting plate 8 to retract under the restoring force of the first spring 7, then the rotating rod 15 is shifted downwards to compress the second spring 16 to move downwards and further drive the pawl 14 at the other side to move upwards to relieve the limit of the ratchet 13, so that the winding roller 9 can rotate under the action of the torsion spring 12 to wind the traction wire 10 and drive the pressing plate 11 to retract, so that the pressing plate 11 retracts into the opening at the right side of the cylinder 1, when the pressing plate 11 is not pressed, the left side is in an open state, and when the pressing plate 11 is in contact with the limit block 5 inside the opening, can promote stopper 5 and move left, utilize the opening right-hand member to press spacing of pressure board 11 simultaneously for press the left side of pressure board 11 to avoid at the in-process that removes, and then carry out the centre gripping to the plastic wrap 3 that keeps between stopper 5, make things convenient for next tractive to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a supplementary operative installations of domestic plastic wrap based on press stretch, includes barrel (1), its characterized in that: the inner part of the barrel body (1) is rotatably connected with an upright post (2), a preservative film (3) is sleeved on the periphery of the upright post (2), the right side of the preservative film (3) in the barrel body (1) is elastically connected with a guide roller (4), the inner part on the right side of the barrel body (1) is elastically connected with a limiting block (5), the bottom of the barrel body (1) is slidably connected with a sliding plate (6), the left end of the sliding plate (6) is fixedly connected with a first spring (7), the right end of the sliding plate (6) is fixedly provided with a shear blade (8), the front side and the rear side of the barrel body (1) are rotatably connected with a winding roller (9), a traction wire (10) is wound on the periphery of the winding roller (9), the right end of the traction wire (10) is fixedly connected with a pressing plate (11), the periphery of one side of the winding roller (9) is fixedly connected with, the ratchet wheel is characterized in that a pawl (14) is rotatably connected to the periphery of a ratchet wheel (13) in the barrel (1), a rotating rod (15) is fixedly mounted at one end, away from the center of the barrel (1), of the pawl (14), and a second spring (16) is fixedly connected to the bottom of the rotating rod (15).

2. The auxiliary use device for the household preservative film based on pressing and stretching as claimed in claim 1, wherein: the stand (2) is rotatably connected to the center of the barrel (1), the preservative film (3) is packaged in a cylindrical shape and is rotatably connected to the periphery of the stand (2), and a cover plate is sleeved on one side of the barrel (1).

3. The auxiliary use device for the household preservative film based on pressing and stretching as claimed in claim 1, wherein: the quantity of stopper (5) is total two, and the symmetric distribution is in barrel (1) right side open-ended upper and lower both sides, and inwards extension, two the gap between stopper (5) and the thickness looks adaptation of plastic wrap (3).

4. The auxiliary use device for the household preservative film based on pressing and stretching as claimed in claim 1, wherein: the shear blade (8) is an elastic metal sheet, is connected to the inside of the barrel body (1) in a limiting sliding mode and is communicated with an opening in the right side of the barrel body (1), and a sawtooth opening is formed in the bottom end of the shear blade (8).

5. The auxiliary use device for the household preservative film based on pressing and stretching as claimed in claim 1, wherein: the winding roller (9), the traction wires (10) and the ratchet wheel (13) are combined into two groups, symmetrically distributed in the inner walls of the front side and the rear side of the barrel (1), and the traction wires (10) on the front side and the rear side are fixedly connected with the front side and the rear side of the left end of the pressing plate (11) respectively.

6. The auxiliary use device for the household preservative film based on pressing and stretching as claimed in claim 1, wherein: the pressing plate (11) is bent, the upper side and the lower side of the pressing plate are bent to the left side and inclined towards the middle, the opening and closing width of the left end of the pressing plate (11) is smaller than that of the right opening of the barrel body (1), and the width of the right end of the pressing plate is larger than that of the right opening of the barrel body (1).

7. The auxiliary use device for the household preservative film based on pressing and stretching as claimed in claim 1, wherein: the inclination direction of the peripheral latch of the ratchet wheel (13) is opposite to the rotation direction of the winding roller (9) when being pulled, and the ratchet wheel (13) is matched with the pawl (14).