Bottle cap assembly with a cutter capable of non-directional assembly and cutting double-layer aluminum foil film and its cutting teeth

Abstract

The utility model discloses a bottle cap assembly with a cutter that can be assembled without orientation and can cut double-layer aluminum foil film and its cutting teeth, and the utility model belongs to the technical field of combined functional bottle caps. It includes an upper cover, a cutter and a lower cover, and a group of tracks are arranged on the outer wall of the cutter, and the group of tracks sequentially includes a first rotating platform, a track descending section, a second rotating platform and a positioning groove and are connected in sequence. The track in the utility model is a new track with the functions of rotation, descent, re-rotation and limiting, and the track cooperates with the guide column on the lower cover to realize the motion control of the cutter. The inner side of the cutter is designed to cooperate with the slope surface of the push piece in the inner cavity of the upper cover, and the cutter obtains power when opening the cover, thereby realizing the movement of the cutter; in addition, the shape of the first cutting tooth is lower in height than the adjacent cutting teeth, and the top of the first cutting tooth is in a circular arc transition, and the angle between the outermost end face of the cutting tooth and the center line should be within a point range.

Description

Technical Field

[0001] The utility model relates to a bottle cap assembly with a cutter which is non-directionally assembled and can cut double-layer aluminum foil films, and cutting teeth thereof, belonging to the technical field of combined functional bottle caps. Background Art

[0002] Currently, there are many kinds of bottle caps with cutters on the market, which are mainly used for cutting the opening of milk bags or storing powdered tea drinks.

[0003] Conventional cutters utilize dual tracks: one track controls the cutter's rotation and descent, while the other controls its final position. Therefore, during assembly, the cutter must be installed into the cap in the correct orientation. Misplaced installation can cause the cutter to become stuck, leading to film cutting or opening failures. Consequently, installing these cutters in bottle caps requires additional assembly orientation recognition and a selection mechanism to remove incorrectly installed caps. This results in high production assembly line costs, uneconomical costs, and low efficiency. Utility Model Content

[0004] The utility model provides a bottle cap assembly with a cutter that can be assembled without orientation and can cut double-layer aluminum foil films, and its cutting teeth. The purpose is to provide only one set of tracks on the cutter, which not only controls the rotation and lowering action of the cutter, but also controls the final position of the cutter. Therefore, it is not necessary to install the cutter into the upper cap according to the direction of the tracks, so that the cutter will not be stuck. Moreover, when the cutter is installed into the upper cap and the lower cap respectively, there is no need to add an additional assembly orientation identification device and a selection device for rejecting the cutter due to incorrect installation, thereby ultimately reducing the cost of the production assembly line.

[0005] The technical problem to be solved by the present invention is achieved by adopting the following technical solutions:

[0006] A bottle cap assembly with a cutter that can be assembled without orientation and can cut double-layer aluminum foil film, the bottle cap assembly includes an upper cover, a cutter and a lower cover, the upper cover interior is provided with an upper cover inner cavity, the upper cover inner cavity and the inner wall of the cutter are sleeved by a guide assembly, the outer wall of the cutter is provided with a plurality of identical tracks, each of the tracks includes a first rotating platform, a track descending section, a second rotating platform and a positioning groove, the first rotating platform, the track descending section, the second rotating platform and the positioning groove are connected in sequence, and the plurality of tracks are evenly arranged along the 360° circumferential direction of the outer wall of the cutter, the first cutting tooth of the cutter is designed as follows: its height direction is 0 to 3 mm lower than the height of the adjacent second cutting tooth, the angle between the front end face of the first cutting tooth and the center line is within the range of 0° to 90°, and the top arc transition of the first cutting tooth has an R of R0.1 to R3 mm;

[0007] The interior of the lower cover is provided with a lower cover cavity 1, and the side walls of the lower cover cavity 1 are provided with guide columns that are the same in number as and corresponding to the tracks. Each of the guide columns cooperates with the track. After the upper cover provides power to the cutter through the guide assembly, the guide columns slide on the first rotating platform, the track descending section, the second rotating platform and the positioning groove in sequence, and are finally confined in the positioning groove. According to the relative motion explanation, the cutter rotates, descends, rotates again and is limited to the end point in the lower cover, so that the cutter is sleeved inside the lower cover.

[0008] Preferably, the number of the rails and the number of the guide posts are both 2-4, and the guide posts are on the same horizontal plane.

[0009] Furthermore, the number of the tracks and the number of the guide posts are both 3, and the number of the tracks and the number of the guide posts are equal.

[0010] Preferably, a cutter lumen is provided inside the cutter;

[0011] The guide assembly includes a push piece arranged in the inner cavity of the upper cover and a limit assembly arranged in the inner cavity of the cutter. The number of the push pieces is consistent with the number of tracks. The cutter is sleeved inside the upper cover, and the push piece is sleeved inside the cutter. The number of the limit assemblies is consistent with the number of the push pieces, and the limit assembly moves on the push piece. When the upper cover is opened, the upper cover push piece provides power to the limit on the cutter, and the track and the guide column cooperate to make the cutter move along the track.

[0012] Furthermore, the number of the push pieces and the number of the limit assemblies are both 2 to 4.

[0013] Furthermore, the number of the push pieces and the number of the limit assemblies are both 3.

[0014] Preferably, one side wall of the push piece is set as a slope surface, and the limiting assembly includes a limiting block and a connecting block. The limiting block is fixedly connected to the connecting block, and the limiting block and the connecting block are vertically arranged in the inner cavity of the cutter. The connecting block corresponds to the slope surface, and the connecting block moves on the slope surface, so that the connecting block is limited on the upper cover, and finally the cutter is limited on the upper cover.

[0015] Furthermore, a groove is formed in the area between each two adjacent push pieces and the upper cover, that is, a groove is formed by the bottom of the inclined surface on one of the push pieces and a side on the adjacent push piece corresponding to the inclined surface and the area between the upper cover, and the connecting block on the limiting assembly is ultimately confined in this groove to achieve the positioning of the cutter on the upper cover.

[0016] Preferably, one end of the cutter is provided with cutting teeth, one end of the limiting block is close to the end of the cutter cavity, and one end of the connecting block is close to the other end of the cutter cavity.

[0017] Preferably, the cutter is cylindrical in shape, and has an inner cavity with upper and lower ends open to the outside.

[0018] Preferably, the track is a raised structure provided on the outer side wall of the cutter.

[0019] Preferably, a lower cover cavity 2 is further provided inside the lower cover, and one end of the lower cover cavity 2 is communicated with the lower cover cavity 1. A layer of aluminum foil is provided on the lower cover cavity 2, and one end of the cutting tooth corresponds to the layer of aluminum foil.

[0020] It should be noted that the other layer of the double-layer film refers to the film adhered to the bottle mouth connected to the lower cover or the bottle cover connected to the lower cover and having another opening.

[0021] Preferably, the upper end of the lower cover is threadedly sleeved inside the lower cover.

[0022] A cutting tooth is provided on the bottle cap assembly described above. The cutting teeth are arranged in multiple numbers along the bottom edge of the cutter described above and are distributed in an arc shape. The first cutting tooth in the arc shape is defined as the first cutting tooth, and the remaining cutting teeth are defined as the second cutting teeth. The top of the first cutting tooth is provided with an R angle, and its height is smaller than that of its adjacent second cutting tooth. With the vertical center line of the cylindrical cutter as the reference line, the front end of the cutting tooth with the R angle is inclined in the direction away from the reference line.

[0023] Preferably, the R angle is R0.1~R3mm; the height of the first cutting tooth is 0~3mm lower than the height of the second cutting tooth adjacent to it; the inclined angle A formed by the line connecting the front end face of the first cutting tooth and the root of the cutting tooth and the center point is 0°~90°.

[0024] The beneficial effects of this utility model are as follows: the track in this utility model is a new track design with the functions of rotation, descent, re-rotation and limit. The track cooperates with the guide column on the lower cover to realize the movement control of the cutter. The inner side of the cutter is designed with a limit assembly that cooperates with the sloped surface of the push piece in the cavity of the upper cover. When the cover is opened, the cutter is powered, thereby realizing the movement of the cutter.

[0025] Because the track on the cutter is designed with three identical tracks evenly distributed in 360° directions, and the guide column designed on the lower cover and the push piece designed in the inner cavity of the upper cover are also three identical features evenly distributed in 360° directions, there is no need to consider the direction during assembly. During assembly, the cutter slides to the root of the push piece, and then the upper and lower covers are screwed on. This greatly improves the assembly efficiency of the bottle cap assembly and completely eliminates customer experience failures caused by assembly misalignment.

[0026] The utility model reduces the cost of assembly line investment and the cost of defective products lost due to assembly misalignment, thereby enhancing the market competitiveness of the functional combination cover.

[0027] The design of the double-layer aluminum foil film cut in the middle of the present invention is mainly characterized by the shape of the first cutting tooth. The height of this cutting tooth is lower than that of the adjacent cutting teeth, and the top of the first cutting tooth is in a circular arc transition. The angle between the outermost end face of the first cutting tooth and the center line is within a certain range. This new cutting tooth can effectively solve the problem of affecting the opening smoothness when cutting a double-layer aluminum foil film because the film cut first cannot be unfolded after being bent. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0029] Figure 2 It is a front view of the utility model;

[0030] Figure 3 for Figure 2 Cross-sectional view along the AA axis;

[0031] Figure 4 This is a front view of the upper cover of the utility model;

[0032] Figure 5 for Figure 4 Cross-sectional view along the BB direction;

[0033] Figure 6 This is a schematic diagram of the three-dimensional structure of the cutter in the present utility model;

[0034] Figure 7 This is a front view of the cutter in the present utility model;

[0035] Figure 8 for Figure 7 Cross-sectional view in CC direction;

[0036] Figure 9 Schematic diagram of the angle between the cutting teeth and the cutter in the figure;

[0037] Figure 10 This is a front view of the lower cover of the utility model;

[0038] Figure 11 for Figure 10 Cross-sectional view along the EE direction;

[0039] Figure 12 This is a schematic diagram of the position of the R angle and the front end surface of the cutting tooth in the cutter of the utility model;

[0040] In the figure: bottle cap assembly 1; upper cover 11; push piece 111; slope surface 1111; upper cover inner cavity 112; cutter 12; track 121; track descending section 1211, second rotating platform 1212; positioning groove 1213; first rotating platform 1214; limiting assembly 122; limiting block 1221; connecting block 1222; cutter inner cavity 123; cutting tooth 124; cutting tooth front end surface 1241; R angle 1242; reference line 1243; lower cover 13; guide column 131; lower cover cavity 132; lower cover cavity 2 133; single-layer aluminum foil film 14. DETAILED DESCRIPTION

[0041] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention is further described below with reference to specific illustrations.

[0042] Example 1

[0043] like Figure 1-11 As shown, a bottle cap assembly with a cutter that can be assembled without orientation and can cut double-layer aluminum foil film, the bottle cap assembly 1 includes a cylindrical cutter 12 with upper and lower ports, a cylindrical lower cover 13 and a cylindrical upper cover 11, the interior of the upper cover 11 is provided with an upper cover inner cavity 112, the upper cover inner cavity 112 and the inner wall of the cutter 12 are connected by a guide assembly, and the outer wall of the cutter 12 is provided with three identical tracks 121 with a convex structure, and the three tracks 121 are arranged at the same height on the side wall of the cutter 12; each track 121 includes a first rotating platform 1214, a track descending section 1 211, the second rotating platform 1212 and the positioning groove 1213, the first rotating platform 1214, the track descending section 1211, the second rotating platform 1212 and the positioning groove 1213 are connected in sequence; the three tracks 121 are evenly arranged along the 360° circumference of the outer wall of the cutter 12, and the first cutting tooth of the cutter is designed as follows: its height is 0 to 3 mm lower than the height of the adjacent second cutting tooth, the angle between the front end face of the first cutting tooth and the center line is within the range of 0° to 90°, and the top arc transition of the first cutting tooth has an R of R0.1 to R3 mm;

[0044] The interior of the lower cover 13 is provided with a lower cover cavity 132, and the side walls of the lower cover cavity 132 are also provided with three cylindrical guide columns 131 corresponding to the track 121. Each guide column 131 cooperates with the track 121. After the upper cover 12 provides power to the cutter 12 through the guide assembly, the guide column 131 slides on the first rotating platform 1214, the track descending section 1211, the second rotating platform 1212 and the positioning groove 1213 in sequence, and is finally confined in the positioning groove 1213. According to the relative motion explanation, the cutter 12 rotates, descends, rotates again and is limited to the end point in the lower cover 13, so that the cutter 12 is sleeved inside the lower cover 13.

[0045] A cutter lumen 123 is defined within the cutter 12;

[0046] The guide assembly is composed of three push pieces 111 provided in the inner cavity 112 of the upper cover and three limit assemblies 122 provided in the inner cavity 123 of the cutter. The cutter 12 is sleeved inside the upper cover 11, and the push piece 111 is sleeved inside the cutter 12; and the limit assembly 122 moves on the push piece 111. When the upper cover 11 is opened, the push piece of the upper cover 11 provides power to the limit on the cutter 12, and the track 121 and the guide column 131 cooperate to make the cutter 12 move according to the track 111.

[0047] A sloped surface 1111 is provided on one side wall of each push piece 111, and the upper and lower serial ports are connected to the cutter cavity 123. Each limiting assembly 122 is composed of a cylindrical limiting block 1221 and a cylindrical connecting block 1222. The limiting block 1221 and the connecting block 1222 are fixedly connected. The limiting block 1221 and the connecting block 1222 are vertically arranged in the cutter cavity 123. The connecting block 1222 corresponds to the sloped surface 1111. The cutter 12 is sleeved inside the upper cover 11, and the push piece 111 is sleeved inside the cutter 12. Each limiting assembly 122 moves on the push piece 111, that is, the connecting block 1222 walks on the sloped surface 1111, so that the cutter 12 moves on the upper cover 11 and is finally limited on the upper cover 12.

[0048] One end of the cutter 12 is provided with a cutting tooth 124 , one end of the limiting block 1221 is close to the end of the cutter inner cavity 123 , and one end of the connecting block 1222 is close to the other end of the cutter inner cavity 123 .

[0049] The interior of the lower cover 13 is further provided with a lower cover cavity 2 133, and one end of the lower cover cavity 2 133 is connected to the lower cover cavity 1 132. A double-layer aluminum foil film 14 is provided on the lower cover cavity 2 133, and one end of the cutting teeth 124 corresponds to the double-layer aluminum foil film 14; the lower cover 13 is connected to the bottle mouth or bottle cap through the lower cover cavity 2 133, and another layer of film is provided on the opening of the bottle mouth or bottle cap; the lower cover 13 is connected to the upper cover 11 through the lower cover cavity 131.

[0050] A groove is formed in the area between every two adjacent push pieces 111 and the upper cover 11 , and the connecting block 1222 on the limiting assembly 122 is ultimately confined in the groove to achieve the positioning of the connecting block 1222 on the upper cover 11 .

[0051] Working principle:

[0052] The assembly process of this utility is as follows:

[0053] (1) When the cutter 12 and the lower cover 13 are assembled, the cutter 12 will automatically slide along the slope surface 1111 to the groove position on the top of the upper cover 11. Specifically, the connecting block 1222 connected to the limiting block 1221 on the cutter 12 moves on the slope surface 1111 until it reaches the groove position;

[0054] (2) On the basis of step (1), when assembling the lower cover 13, the head of the lower cover 13 is inserted into the upper cover 11 and the lower cover 13 is rotated. Specifically, an internal thread can be set on the upper cover 11, and an external thread can be set on the lower cover 13. The external thread and the internal thread are engaged with each other. During the engagement process, the guide column 131 on the lower cover 13 moves in sequence in the first rotating platform 1214, the track descending section 1211, the second rotating platform 1212 and the positioning groove 1213 on the outer wall of the cutter 12 until it is confined in the positioning groove 1213. Once the lower cover 13 is tightened, the assembly of the component is completed.

[0055] The use process of this utility model is as follows:

[0056] When in use, rotate the upper cover 11 and open the upper cover 11 in the direction of opening a general bottle cap. As the upper cover 11 rotates, the three push pieces 111 designed inside the upper cover 11 will push the cutter 2 to move, that is, the slopes on the three push pieces 111 contact the connecting blocks 1222 on the cutter 2 in turn, and the motion trajectory is coordinated with the track 121 designed on its outer surface and the guide column 131 on the lower cover 13, so that the motion trajectory of the cutter 2 is precisely controlled. Specifically, the guide column 131 is in turn on the first rotating platform 1214, The cutter 2 moves on the descending section 1211 of the track, the second rotating platform 1212 and the positioning groove 1213. According to the design, the cutter 2 will move in the order of rotation, descent, rotation again, and descent again. Finally, the guide post 131 of the lower cover 13 will move into the positioning groove 1213 at the end of the track of the cutter 12, completing the film cutting and film standing actions; wherein: film standing means that the double-layer aluminum foil film 14 will not separate from the welding carrier, that is, the lower cover, after being cut, and will be leaned against the side of the cutter 12, so that the bottle mouth is fully opened, so that consumers can smoothly drink the liquid in the bottle or soft pack.

[0057] The track in this utility model is a new track design with the functions of rotation, descent, re-rotation, and limit. The track 121 cooperates with the guide post 131 on the lower cover 13 to realize the motion control of the cutter 12. The inner side of the cutter 12 is designed with a limiter component that cooperates with the sloped surface 1111 of the push piece 111 in the inner cavity 112 of the upper cover. When the cover is opened, the cutter 12 is powered, thereby realizing the movement of the cutter 12;

[0058] Since the track on the cutter 12 is designed with three identical tracks 121 evenly distributed in 360° directions, and the guide column 131 designed on the lower cover 13 and the push piece 111 designed in the inner cavity 112 of the upper cover are also three identical features evenly distributed in 360° directions, there is no need to consider the direction during assembly. During assembly, the cutter 12 slides to the root of the push piece 111, and then the upper cover 11 and the lower cover 13 are screwed on. This greatly improves the assembly efficiency of the bottle cap assembly and completely eliminates customer experience failures caused by assembly misalignment.

[0059] The utility model reduces the cost of assembly line investment and the cost of defective products lost due to assembly misalignment, thereby enhancing the market competitiveness of the functional combination cover.

[0060] The utility model simplifies the control of the track 121 into a single control, and there is no need to consider the orientation problem with other parts during assembly. During assembly, the cutter 12 can be automatically slid into the groove at the root of the push piece 111 of the upper cover 11, which reduces the difficulty of the assembly line, reduces the scrap rate, improves the assembly efficiency and the consistency of the product, saves more investment in the assembly line, and reduces the investment cost.

[0061] As another embodiment, Figure 12 As shown, a cutting tooth is provided on the bottle cap assembly described above. Taking the direction of the cutter cutting the aluminum foil film as a reference, the cutting teeth 124 are arranged in a plurality and distributed in an arc shape along the bottom edge of the cutter 12, and an R angle 1242 is provided at the top of the first cutting tooth 124 in the arc shape, with a size of R0.1 to R3mm; its height is 0 to 3mm lower than that of its adjacent cutting tooth 124. Taking the vertical center line of the cylindrical cutter 12 as a reference line 1243, the front end surface 1241 of the cutting tooth with the R angle 1242 is inclined in a direction away from the reference line, and the inclination angle A formed by the inner edge of the first cutting tooth and the vertical center line is 0° to 90°.

[0062] The design of the double-layer aluminum foil film cut in the present invention is mainly characterized by the shape of the first cutting tooth. The height of this cutting tooth 124 is lower than that of the adjacent cutting teeth 124, and the top of the first cutting tooth is in a circular arc transition. The angle between the outermost end face of the first cutting tooth and the center line is within a point range. This cutting tooth 124 can effectively solve the problem of affecting the smoothness of the opening when cutting a double-layer aluminum foil film because the film cut first cannot be unfolded after bending.

[0063] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments and that various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A bottle cap assembly with a cutter capable of non-directional assembly and capable of cutting a double-layer aluminum foil film, the bottle cap assembly comprising an upper cover, a cutter and a lower cover, characterized in that: The upper cover is provided with an inner cavity of the upper cover, and the inner cavity of the upper cover is connected with the inner wall of the cutter through a guide assembly. The outer wall of the cutter is provided with a plurality of identical tracks, each of which includes a first rotating platform, a track descending section, a second rotating platform and a positioning groove. The first rotating platform, the track descending section, the second rotating platform and the positioning groove are connected in sequence, and the plurality of tracks are evenly arranged along the 360° circumferential direction of the outer wall of the cutter; the first cutting tooth of the cutting tooth of the cutter is designed as follows: its height direction is 0 to 3 mm lower than the height of the adjacent second cutting tooth, and the connecting clamp of the front end face of the first cutting tooth and the center line The angle is in the range of 0° to 90°, and the top arc transition of the first cutting tooth, R is R0.1 to R3mm; a lower cover cavity is provided inside the lower cover, and guide columns the same in number as and corresponding to the tracks are provided on the side walls of the lower cover cavity, and each of the guide columns cooperates with the track. After the upper cover provides power to the cutter through the guide assembly, the guide columns slide on the first rotating platform, the track descending section, the second rotating platform and the positioning groove in turn, and are finally confined in the positioning groove. According to the relative motion explanation, the cutter rotates, descends, rotates again and is limited to the end point in the lower cover, so that the cutter is sleeved inside the lower cover.

2. The bottle cap assembly according to claim 1, characterized in that: The number of the rails and the number of the guide posts are both 2-4.

3. The bottle cap assembly according to claim 1, characterized in that: The cutter has a cutter inner cavity formed inside. The guide assembly includes a push piece arranged in the inner cavity of the upper cover and a limit assembly arranged in the inner cavity of the cutter. The number of the push pieces is consistent with the number of tracks. The cutter is sleeved inside the upper cover, and the push piece is sleeved inside the cutter. The number of the limit assemblies is consistent with the number of the push pieces, and the limit assembly moves on the push piece. When the upper cover is opened, the upper cover push piece provides power to the limit on the cutter, and the track and the guide column cooperate to make the cutter move along the track.

4. The bottle cap assembly according to claim 3, characterized in that: One side wall of the push piece is configured as a slope surface; The limiting assembly includes a limiting block and a connecting block, the limiting block is fixedly connected to the connecting block, the limiting block and the connecting block are vertically arranged in the inner cavity of the cutter, the connecting block corresponds to the slope surface, the connecting block moves on the slope surface, so that the connecting block is limited on the upper cover, and finally the cutter is limited on the upper cover.

5. The bottle cap assembly according to claim 4, characterized in that: One end of the cutter is provided with cutting teeth, one end of the limiting block is close to the end of the inner cavity of the cutter, and one end of the connecting block is close to the other end of the inner cavity of the cutter.

6. The bottle cap assembly according to claim 1, characterized in that: The cutter is cylindrical in shape, and has an inner cavity and upper and lower ends thereof open to the outside.

7. The bottle cap assembly according to claim 1, characterized in that: The track is a protruding structure arranged on the outer side wall of the cutter.

8. The bottle cap assembly according to claim 1, characterized in that: A second lower cover cavity is further provided inside the lower cover, and one end of the second lower cover cavity is communicated with the first lower cover cavity. A layer of aluminum foil is provided on the second lower cover cavity, and one end of the cutting tooth corresponds to the layer of aluminum foil.

9. A cutting tooth, provided on the bottle cap assembly according to any one of claims 1 to 8, characterized in that: The cutting teeth are arranged in multiple numbers along the bottom edge of the cutter described in any one of claims 1-8 and are distributed in an arc shape, and the first cutting tooth in the arc shape is defined as the first cutting tooth, and the remaining cutting teeth are defined as the second cutting teeth. The top of the first cutting tooth is provided with an R angle, and its height is smaller than that of its adjacent second cutting tooth. Taking the vertical center line of the cylindrical cutter as the reference line, the front end face of the cutting tooth with the R angle is inclined in the direction away from the reference line.

10. The insulator according to claim 9, characterized in that: The R angle is R0.1~R3mm; the height of the first cutting tooth is 0~3mm lower than the height of the second cutting tooth adjacent to it; the angle A between the front end face of the first cutting tooth and the line connecting the root point and the center point of the first cutting tooth is 0°~90°.

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