CN211845571U

CN211845571U - Tearing type environment-friendly bottle cap

Info

Publication number: CN211845571U
Application number: CN202020087735.3U
Authority: CN
Inventors: 郑吉平; 王灿荣
Original assignee: Dongguan Jingyuzui Environmental Protection Technology Co ltd
Current assignee: Dongguan Jingyuzui Environmental Protection Technology Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-11-03
Anticipated expiration: 2030-01-14

Abstract

The utility model belongs to the technical field of liquid bottle caps, in particular to a tearing type environment-friendly bottle cap, which comprises a bottle cap cover and an upper cover; a backflow groove is arranged in the bottle cap, a sealing platform is arranged in the middle of the backflow groove, and a liquid outlet is arranged in the sealing platform; a guide wall is arranged around the periphery of the sealing platform part, a liquid outlet is arranged close to the guide wall, and the guide wall is provided with an upper liquid guide port and a side opening; the liquid outlet is also provided with a sealing sheet, one end of a pull ring is connected with the sealing sheet through a connecting piece, and the other end of the pull ring is a free end; the bottle cap and the upper cap are fixedly connected through thread matching, the lower end of the upper cap is provided with a tear tape, and the tear tape is in a strip shape and is arranged around the circumference of the upper cap; a tearing groove is formed between the tearing strip and the upper cover, and the head end and the tail end of the tearing strip are disconnected to form a gap; the inner wall of the tearing strip is annularly and uniformly provided with a plurality of first stop blocks, the outer wall of the bottle cap is annularly and uniformly provided with a plurality of second stop blocks, and each second stop block corresponds to one first stop block to be in limit butt joint with the first stop block.

Description

Tearing type environment-friendly bottle cap

Technical Field

The utility model belongs to the technical field of the liquid bottle lid, especially, relate to a tear formula environmental protection bottle lid.

Background

At present, bottle caps are arranged on bottle openings of liquid bottles commonly used in life, such as edible oil bottles, soy sauce bottles, beverage bottles and the like, liquid outlets are generally arranged on cover bodies of the bottle caps, and in order to ensure that the liquid outlets do not leak in the transportation or sale process, manufacturers can seal the liquid outlets with sealing pieces when leaving factories. At present, a sealing piece commonly adopted by various manufacturers is that a sealing piece is arranged in a liquid outlet, a pull ring is arranged on the sealing piece, and when the sealing piece is used, a cover body is opened, the pull ring on the sealing piece is pulled, the sealing piece is torn off and taken out.

Chinese patent document CN201910527846.3 discloses a pull-ring environmental protection bottle cap, referring to fig. 6, comprising a cap body (2), and a buckle cap (1) covering the cap body (2); a backflow groove (5) is formed in the cover body (2), a sealing table (4) is arranged in the middle of the backflow groove (5), and a liquid outlet (6) is formed in the sealing table (4); a flow guide wall (8) is arranged around part of the periphery of the sealing table (4), the liquid outlet (6) is arranged close to the flow guide wall (8), and the flow guide wall (8) is provided with an upper liquid guide port (81) and a side opening (82); the liquid outlet (6) is further provided with a sealing piece (7), one end of a pull ring (9) is connected to the sealing piece (7) through a connecting piece (91), the other end of the pull ring (9) is a free end (92), and the free end (92) extends out of the side opening (82). The pull ring environment-friendly bottle cap solves the technical problem of how to set the pull ring to be the largest on an oil guide pipe of the cap body under the condition that the cap body is of a certain size.

Referring to fig. 6, however, there are disadvantages as follows: 1. the cap body (2) and the buckle cap (1) of the pull ring environment-friendly bottle cap adopt a flip-open mode, and the cap body (2) is connected with the side wall at one end of the buckle cap (1) through the connecting belt (3). However, most of the existing production equipment and production lines for processing the bottle cap and the upper cover are used for respectively processing the bottle cap and the upper cover, and then the bottle cap and the upper cover are in threaded connection, so most of the existing production lines are not suitable for processing the pull ring environment-friendly bottle cap in the flip-open mode. Therefore, a new production line needs to be built to process the pull ring environment-friendly bottle cap, so that a large amount of capital investment is required; meanwhile, the direct automatic use of the flip-open cap on the existing filling line cannot be realized after the filling manufacturer purchases the flip-open cap, and the acceptance of downstream manufacturers is limited because the cap cannot be matched with the original production line. 2. The pull ring environment-friendly bottle cap adopting the flip cover mode does not have an anti-theft function, the buckle cap (1) is easily opened by people with unfair rules in the process of selling in a market, the sealing sheet (7) is pulled out to smell the smell of liquid in the bottle or pour out the liquid, then the buckle cap (1) is covered back, the appearance of the pull ring environment-friendly bottle cap has no obvious prompt, the liquid in the bottle is opened, and the liquid in the bottle is deteriorated. However, if the purchaser does not open the buckle cover (1), the purchaser may purchase deteriorated goods without care, and the rights of consumers cannot be well guaranteed. 3. Adopt pull ring environmental protection bottle lid of flip mode, lid (2) and buckle closure (1) form as an organic whole processing, however, if when will changing buckle closure (1) outer wall pattern, need change together with lid (2) lid, be unfavorable for producing buckle closure (1) of the multiple different appearance of manufacturing, be unfavorable for packing renewal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tear formula environmental protection bottle lid, it does not have the theftproof function to aim at solving among the prior art the above-mentioned pull ring environmental protection bottle lid that adopts the flip mode, the in-process of selling in the market, the buckle closure is opened just by the people of the irregularity very easily, pull out the closing cap, smell the smell of liquid in the bottle or pour liquid, it is rotten to lead to liquid in the bottle, purchasers, if not opening the buckle closure, probably will buy rotten commodity, guarantee that can not be fine consumes the technical problem that the person of honour rights are good.

In order to achieve the purpose, the embodiment of the utility model provides a tearing type environment-friendly bottle cap, which comprises a bottle cap and an upper cover; a backflow groove is formed in the bottle cap, a sealing platform is arranged in the middle of the backflow groove, and a liquid outlet is formed in the sealing platform; a guide wall is arranged around the periphery of the sealing platform part, the liquid outlet is arranged close to the guide wall, and the guide wall is provided with an upper liquid guide port and a side opening; the liquid outlet is also provided with a sealing sheet, one end of a pull ring is connected to the sealing sheet through a connecting piece, and the other end of the pull ring is a free end; the outer wall of the upper end of the bottleneck cover is provided with an external thread, and the inner wall of the upper cover is provided with an internal thread which is in threaded fit connection with the external thread; the lower end of the upper cover is provided with a tear tape which is in a long strip shape and is arranged around the circumference of the upper cover; a tearing groove is formed between the tearing strip and the upper cover, and the head end and the tail end of the tearing strip are disconnected to form a notch; the inner wall of the tearing strip is annularly and uniformly provided with a plurality of first stop blocks, the outer wall of the bottle cap is annularly and uniformly provided with a plurality of second stop blocks, the second stop blocks are in one-to-one correspondence with the first stop blocks, and each second stop block corresponds to one first stop block to be in limit butt joint with the first stop block.

Optionally, the side portion of the second stopper abuts against the side portion of the first stopper, and when the upper cover is screwed in the screw thread unscrewing direction, the second stopper stops against the first stopper in a limiting manner.

Optionally, the inner wall of tear strip is in the upside circumference of first gear piece is equipped with an annular groove, the outer wall of bottleneck lid is in second gear piece with circumference is equipped with an annular card protruding between the external screw thread, annular card protruding the upper cover connect in during the bottleneck lid with annular groove cooperation joint.

Optionally, a grip portion extends outwardly from the head end of the tear strip.

Optionally, the guide wall is a circular arc-shaped guide wall.

Optionally, a funnel groove is further arranged in the sealing table, and the funnel groove is located on one side of the liquid outlet; the lowest part of the funnel groove is provided with a backflow hole, and a sealing column is arranged on the backflow hole.

Optionally, a conical sealing groove is formed at the joint of the sealing table and the backflow groove; the upper cover is internally provided with a sealing ring in a protruding mode, the opening end of the sealing ring is provided with a conical sealing platform, the conical sealing platform is arranged on the upper cover and extends into the conical sealing groove when the bottle cap cover is closed, the conical sealing groove is abutted with the conical sealing groove in a sealing mode, and the funnel groove and the liquid outlet are sealed in the sealing ring.

Optionally, a plurality of protrusions are evenly distributed on the outer wall of the upper cover in an annular manner, and the protrusions are vertically arranged.

Optionally, the diameter of the lower end of the bottle cap is increased in a stepped manner to form an annular connecting portion, and the annular connecting portion is sleeved on the bottle mouth of the liquid containing bottle.

The embodiment of the utility model provides a tear-off formula environmental protection bottle lid has one of following technological effect:

1. the tear strip is being close to annular clamping groove's inner wall annular equipartition has a plurality of first fender position piece, the bottleneck lid is being close to annular clamping convex outer wall annular equipartition has a plurality of second fender position pieces, the lateral part of second fender position piece with the lateral part butt of first fender position piece, when unscrewing the direction along the screw thread during twisting the upper cover, the spacing fender of second fender position piece first fender position piece. Therefore the utility model discloses a tear formula environmental protection bottle lid of drawing adopts foretell one-way gear structure, is promptly the second gear piece with during the cooperation of first gear piece gear, the upper cover also all the time with the bottleneck lid between present the screw thread and screw up the relation, make to be connected between upper cover and the bottleneck lid and have fine steadiness. If reverse screw thread is rotatory under the prerequisite that does not tear the tear strip to and under the prerequisite that does not have the reverse screw thread of destruction and rotate, twist not to open upper cover and bottleneck lid, so, install the utility model discloses a commodity of tear-off formula environmental protection bottle lid, the in-process of selling at the market, people want to open tear-off formula environmental protection bottle lid, pull out the flap and smell the smell of liquid in the bottle or pour liquid, just must pull open the tear strip, in case the tear strip is pulled open, tear-off formula environmental protection bottle lid just can be obvious demonstrate that the commodity has been opened, have the theftproof effect, guarantee consumer's that can be fine rights and benefits. Simultaneously such structure can ensure that the bottle lid screw thread can not become flexible in the commodity circulation transportation with the product after packing like this, and the product does not exist and reveals the risk.

2. The inner wall circumference of tearing the strip is equipped with an annular groove, the outer wall circumference of bottleneck lid is equipped with an annular card protruding, annular card protruding the upper cover connect in when the bottleneck is covered with annular groove cooperation joint to the fixed connection relation of tearing strip, upper cover and bottleneck lid has been realized. When need unseal the upper cover, tear the strip at first, because tear the strip with form between the upper cover and tear the fluting, when tearing the strip, the bottle lid with tear the strip and separate along this groove of tearing, remove annular card protruding with the ring groove joint relation can be unscrewed the upper cover has strengthened the steadiness of being connected between upper cover and bottleneck lid, ensures that the product possesses good transportation steadiness and storage leakproofness even when storing the operation in the transportation. And tearing the tear strip to separate the annular clamping groove from the convex clamping connection of the annular clamping groove, so that the upper cover can be opened.

3. The bottle cap cover and the upper cover are fixedly connected through thread matching, in the production and processing process, if various upper covers with different shapes need to be produced, the upper covers with different outer wall shapes only need to be separately matched on the bottle cap, the tear-pull type environment-friendly bottle caps with different shapes can be obtained, the replacement is convenient, and more downstream manufacturer production lines in the market can be directly used and continuously pushed to replace, remove old and push new appearance upper cover packages.

4. The bottleneck lid with the upper cover passes through screw-thread fit rigid coupling, and most original production line homoenergetic at present is right tear formula environmental protection bottle lid is processed, and the fund input is few.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of the tearing type environmental protection bottle cap of the present invention.

Fig. 2 is a sectional view of the tearing type environmental protection bottle cap of the present invention.

Fig. 3 is an exploded view of the tearing type environmental protection bottle cap of the present invention.

Fig. 4 is a schematic view of the upper cap structure of the tearing type environmental protection bottle cap of the present invention.

Fig. 5 is a schematic structural view of the bottle cap of the tearing type environmental protection bottle cap with the sealing piece pulled out.

Fig. 6 is a schematic structural view of a ring-pull environmental protection bottle cap in the prior art.

Wherein, in the figures, the respective reference numerals:

the bottle cap 10, the return channel 101, the sealing platform 102, the liquid outlet 103, the guide wall 104, the liquid guide port 104a, the side opening 104b, the sealing sheet 105, the pull ring 106, the connecting piece 106a, the funnel groove 107, the return hole 108, the sealing column 109, the conical sealing groove 110, the bottle mouth 11, the annular connecting portion 12, the annular clamping protrusion 13, the second stop block 14, the external thread 15, the upper cover 20, the internal thread 21, the sealing ring 210, the conical sealing platform 211, the protrusion 220, the tear strip 30, the tear groove 31, the notch 32, the hand grasping portion 33, the annular clamping groove 34, and the first stop block 35.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, referring to fig. 1, 4 and 5, there is provided a tear-off type environmental protection bottle cap, which comprises a cap 10 and an upper cap 20. The outer wall of the upper end of the bottleneck cover 10 is provided with an external thread 15, the inner wall of the upper cover 20 is provided with an internal thread 21 in threaded fit connection with the external thread 15, and the bottleneck cover 10 is fixedly connected with the upper cover 20 through threaded fit.

Referring to fig. 1, 2 and 3, a backflow groove 101 is formed in the mouth 11 of the bottleneck cover 10, a sealing platform 102 is arranged in the middle of the backflow groove 101, and a liquid outlet 103 is formed in the sealing platform 102. A flow guide wall 104 is arranged around part of the periphery of the sealing platform 102, the liquid outlet 103 is arranged close to the flow guide wall 104, and the flow guide wall 104 is provided with an upper liquid guide port 104a and a side opening 104 b. The liquid outlet 103 is further provided with a sealing plate 105, one end of a pull ring 106 is connected to the sealing plate 105 through a connecting piece 106a, and the other end of the pull ring 106 is a free end. Specifically, the bottle cap 10 includes a mouth 11. The diameter of the lower end of the bottle mouth 11 of the bottle cap 10 is increased in a step manner to form an annular connecting part 12, and the annular connecting part 12 is sleeved on the bottle mouth of the liquid containing bottle, so that the bottle cap 10 is fixedly connected with the liquid containing bottle. Or in order to make the tearing type environment-friendly bottle cap more beautiful, the annular connecting part 12 and the bottle cap 10 can be as large as possible in the later updating of products, so that the bottle cap 10 and the upper and lower covers of the upper cover 20 are as large as possible, and the appearance atmosphere increases the updating of products.

Referring to fig. 2, 3 and 4, a plurality of first stopping blocks 35 are annularly and uniformly distributed on the inner wall of the tear strip 30, and a plurality of second stopping blocks 14 are annularly and uniformly distributed on the outer wall of the bottleneck cover 10. The plurality of second stoppers 14 correspond to the plurality of first stoppers 35 one by one, and each second stopper 14 is in limit abutment with one first stopper 35. Preferably, the side of the second stopper 14 abuts against the side of the first stopper 35, and when the upper cover 20 is screwed in the screw thread unscrewing direction, the second stopper 14 is limited to abut against the first stopper 35. The description is as follows: when people want to unscrew the upper cover 20 from the bottleneck cover 10, the second stopper 14 will block the first stopper 35, and only by tearing the tear strip 30, the blocking effect between the second stopper 14 and the first stopper 35 can be released, so that people can unscrew the upper cover 20. Therefore the utility model discloses a tear formula environmental protection bottle lid of drawing adopts foretell one-way gear structure promptly second gear piece 14 with during the cooperation of first gear piece 35 gear, upper cover 20 also all the time with bottleneck lid 10 between present the screw thread and screw up the relation, make to be connected between upper cover 20 and the bottleneck lid 10 and have fine steadiness. If reverse screw thread is rotatory under the prerequisite that does not tear strip 30 to and under the prerequisite that does not have the reverse screw thread of destruction and rotate, twist not to open upper cover 20 and bottleneck lid 30, so, install the utility model discloses a commodity of tear-off formula environmental protection bottle lid, the in-process of selling in the market, people want to open tear-off formula environmental protection bottle lid, pull out flap 105 and smell the smell of liquid in the bottle or pour out liquid, just must pull open tear strip 30, in case tear strip 30 is pulled open, the outward appearance that tear-off formula environmental protection bottle lid just can be obvious shows that the commodity has been opened, has the theftproof effect, guarantee consumer that can be fine is good right and benefit.

Referring to fig. 2 and 3, a tear strip 30 is disposed at the lower end of the upper cover 20, the tear strip 30 is in a long strip shape, and the tear strip 30 is circumferentially disposed around the lower end edge of the upper cover 20. The tearing groove 31 is formed between the tearing strip 30 and the upper cover 20, the head end and the tail end of the tearing strip 30 are disconnected to form the gap 32, and the head end of the tearing strip 30 extends outwards to form a hand-holding part 33, so that people can conveniently hold the hand-holding part 33 to tear the tearing strip 30. In the later updating of the product, the annular connecting part 12 and the bottle cap 10 can be as large as possible, so that the bottle cap 10 and the upper cap and the lower cap of the upper cap 20 are as large as possible, and the appearance atmosphere increases the updating of the product. Also, the grip 33 can be eliminated for aesthetic purposes by making the notch 32 larger and tearing the tear strip 30 directly at the notch 32 to open the lid 20.

Referring to fig. 2 and 3, the inner wall of the tear strip 30 is in an annular clamping groove 34 is circumferentially arranged on the upper side of the first stopper 35, the outer wall of the mouth 11 of the bottleneck cover 10 is circumferentially arranged between the second stopper 14 and the external thread 15, and an annular clamping protrusion 13 is circumferentially arranged between the second stopper 14 and the external thread 15, the annular clamping protrusion 13 is arranged on the upper cover 20 connected to the bottleneck cover 10, and is in matched clamping connection with the annular clamping groove 34, so that the fixed connection relation of the tear strip 30, the upper cover 20 and the bottleneck cover 10 is realized. When needing to unseal upper cover 20, tear strip 30 at first tearing, because tear strip 30 with form between the upper cover 20 and tear groove 31, when tearing tear strip 30, upper cover 20 and tear strip 30 along this tear groove 31 separation, remove annular card protruding 13 with ring groove 34 joint relation can unscrew upper cover 20 has strengthened the steadiness of being connected between upper cover 20 and bottleneck lid 10, and the guarantee product possesses good transportation steadiness and storage leakproofness when the transportation even stores the operation. The tear strip 30 is torn to separate the annular clamping groove 34 from the annular clamping projection 13, so that the upper cover 20 can be opened.

Referring to fig. 2 and 5, the guide wall 104 is a circular arc-shaped guide wall, so that the guide wall 104 can completely receive the liquid poured from the liquid outlet 103 and guide the poured liquid to smoothly flow out of the liquid guide port 104a along the guide wall 104.

Referring to fig. 2, 3 and 5, a funnel groove 107 is further formed in the sealing platform 102, and the funnel groove 107 is located at one side of the liquid outlet 103; the lowest part of the funnel groove 107 is provided with a return hole 108, and a sealing column 109 is arranged on the return hole 108. When the bottle cap is used, the sealing column 109 is pulled out, when liquid is poured out of the guide wall 104 for one time or multiple times continuously, the residual liquid on the guide wall 104 is continuously remained and flows to the backflow groove 101 of the bottle cap 10, the residual liquid flows back downwards along the backflow groove 101 in a rapid and centralized manner, and the residual liquid can flow back into the bottle from the liquid outlet 103 and the backflow hole 108 of the funnel groove 107 simultaneously, so that the backflow rate of the residual liquid is higher, and the backflow effect is better. If people do not hold the pouring liquid amount, the liquid amount is poured out too fast and on a large amount of flow channel backflow grooves 101, even a large amount of liquid can quickly flow back into the bottle from the liquid outlet 103 and the backflow holes 108, so that backflow of a large amount of residual liquid can be quickly realized in a short time, the pollution and the dirt of the bottle cap 10 caused by the external hanging of the residual liquid or the unsmooth backflow of the residual liquid are avoided, and the cleanness and the sanitation of the bottle opening are kept. Due to the structure of the liquid outlet 103 and the backflow hole 108, when containers provided with the bottle cap 10 structure are filled and dumped mutually, the filling and dumping can be well completed without spilling out of the bottle cap 10.

Referring to fig. 2, 3 and 5, the circular arc structure of the guide wall 104 allows the guide wall 104 to be disposed in the mouth of the bottleneck 10 to the maximum extent, and the placement of the funnel groove 107 in the sealing platform 102 does not affect the space of the guide wall 104 in the bottleneck 11 of the bottleneck 10, so that the guide wall 104, the liquid outlet 103 and the funnel groove 107 are more compactly and reasonably disposed in the bottleneck 11 of the bottleneck 10. That is, in the case that the size of the inside of the mouth 11 of the bottleneck cover 10 is fixed, since the guide wall 104 can be maximally disposed in the mouth 11 of the bottleneck cover 10, so that the pull ring 106 can be maximally disposed in the mouth of the mouth cap 10, this makes it possible to increase the diameter of the pull ring 106 to a suitable value without increasing the inside diameter of the mouth cap 10, so that one can easily pass the inner ring of the tab 106 with fingers and stably hook the tab 106 to apply force, because the diversion wall 104 has the structure of the side opening 104b, and people can more easily apply force to the pull ring 106 without being shielded by the diversion wall 104 in the force application process, the sealing piece 105 connected with the pull ring 106 is pulled out of the liquid outlet 103, the liquid in the bottle can be poured out from the liquid outlet 103 for use, so that the circular arc structure of the guide wall 104 can well solve the problem that the pull ring in the prior art is difficult to be large.

Referring to fig. 2, 4 and 5, the sealing land 102 of the ring-pull cap is circular. A conical sealing groove 110 is arranged at the joint of the sealing platform 102 and the backflow groove 101. The inner of the upper cover 20 is convexly provided with a sealing ring 210, the opening end of the sealing ring 210 is provided with a conical sealing platform 211, the conical sealing platform 211 is arranged on the upper cover 20 and the bottle cap 10, when covering, the conical sealing platform extends into the conical sealing groove 110 and is in sealing butt joint with the conical sealing groove 110, the funnel groove 107 and the liquid outlet 103 are sealed in the sealing ring 210, and liquid in the bottle is protected from deteriorating. Even if the upper cover 20 is opened from the bottle cap 10 and then closed on the bottle cap 10 frequently when the liquid is used, the upper cover 20 is deformed to prevent the upper cover 20 from being tightly closed with the bottle cap 10, so that a closing gap occurs, and the sealing performance is lost, the sealing ring 210 is not influenced to tightly seal the funnel groove 107 and the liquid outlet 103 in the sealing ring, the liquid in the bottle can still be isolated from the outside air, and the liquid in the bottle is protected from deterioration. In addition, when the liquid in the bottle cannot be used up for one time after being used for the first time, the upper cover 20 is covered on the bottle cap 10 to store the liquid in a sealing manner so as to be used for the second time, and the liquid sometimes accidentally touches the bottle to cause the bottle to fall down due to frequent repeated use, and even if the liquid flows out from the liquid outlet 103 and the backflow hole 108 at this time, due to the sealing and blocking effect of the sealing ring 210, when people correct the bottle, the liquid flowing into the sealing ring 210 returns back into the bottle through the liquid outlet 103 and the backflow hole 108, so that the bottle cap 10 and the upper cover 20 are prevented from being polluted.

Referring to fig. 1, a plurality of protrusions 220 are uniformly distributed on the outer wall of the upper cover 20 in an annular shape, and the protrusions 220 are vertically arranged and arranged, so that the friction force between the hands of people and the upper cover 20 is increased, and the upper cover 20 can be conveniently unscrewed by people. Meanwhile, the structure of the bulge 220 can be assembled with a new product to update the appearance of the bottle cap, so that a space is reserved for product package updating.

Referring to fig. 4 and 5, the bottle cap 10 and the upper cap 20 are fixedly connected through thread fit, and in the process of production and processing, if various upper caps 20 without shapes need to be produced, the tear-off type environment-friendly bottle caps with different shapes can be obtained only by separately matching the upper caps 20 with different outer walls with the bottle cap 10, so that the bottle caps are convenient to replace, and more production lines of downstream manufacturers in the market can be directly used and continuously pushed to replace, remove old parts and push new shapes to package the upper caps 20. Meanwhile, the bottle cap 10 and the upper cap 20 are fixedly connected through thread matching, most of the existing production lines can process the tear-off type environment-friendly bottle cap at the present stage, and the fund investment is low. Meanwhile, the existing advantageous functions of the pull ring environment-friendly bottle cap disclosed by the Chinese patent document CN201910527846.3 are retained, and the problem of the matching degree of the existing equipment in the market is solved.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims

1. A tearing type environment-friendly bottle cap comprises a bottle cap (10) and an upper cap (20); a backflow groove (101) is formed in the bottle cap (10), a sealing platform (102) is arranged in the middle of the backflow groove (101), and a liquid outlet (103) is formed in the sealing platform (102); a flow guide wall (104) is arranged around part of the periphery of the sealing table (102), the liquid outlet (103) is arranged close to the flow guide wall (104), and the flow guide wall (104) is provided with an upper liquid guide port (104a) and a side opening (104 b); a sealing piece (105) is further arranged on the liquid outlet (103), one end of a pull ring (106) is connected to the sealing piece (105) through a connecting piece (106a), and the other end of the pull ring (106) is a free end; the bottle cap is characterized in that the outer wall of the upper end of the bottle cap (10) is provided with an external thread (15), and the inner wall of the upper cap (20) is provided with an internal thread (21) which is in threaded fit connection with the external thread (15); a tear strip (30) is arranged at the lower end of the upper cover (20), the tear strip (30) is in a long strip shape, and the tear strip (30) is arranged around the upper cover (20) in the circumferential direction; a tearing groove (31) is formed between the tearing strip (30) and the upper cover (20), and the head end and the tail end of the tearing strip (30) are disconnected to form a notch (32); a plurality of first stop blocks (35) are annularly and uniformly distributed on the inner wall of the tear strip (30), and a plurality of second stop blocks (14) are annularly and uniformly distributed on the outer wall of the bottle cap (10); the plurality of second stop blocks (14) correspond to the plurality of first stop blocks (35) one by one, and each second stop block (14) is in corresponding limiting and abutting connection with one first stop block (35).

2. The tear-off environmental protection bottle cap according to claim 1, wherein: the side part of the second stop block (14) is abutted against the side part of the first stop block (35), and when the upper cover (20) is screwed along the screw thread unscrewing direction, the second stop block (14) is limited to abut against the first stop block (35).

3. The tear-off environmental protection bottle cap according to claim 1, wherein: the inner wall of tear strip (30) is in the upside circumference of first gear piece (35) is equipped with an annular groove (34), the outer wall of bottleneck lid (10) is in second gear piece (14) with circumference is equipped with protruding (13) of an annular card between external screw thread (15), protruding (13) of annular card is in upper cover (20) connect in during bottleneck lid (10) with annular groove (34) cooperation joint.

4. The tear-off environmental protection bottle cap according to claim 1, wherein: a hand-holding part (33) extends outwards from the head end of the tearing strip (30).

5. The tear-off environmental protection bottle cap according to claim 1, wherein: the guide wall (104) is a circular arc guide wall.

6. The tear-off environmental protection bottle cap according to any one of claims 1 to 5, wherein: a funnel groove (107) is further formed in the sealing table (102), and the funnel groove (107) is located on one side of the liquid outlet (103); the lowest part of the funnel groove (107) is provided with a return hole (108), and a sealing column (109) is arranged on the return hole (108).

7. The tear-off environmental protection bottle cap according to claim 6, wherein: a conical sealing groove (110) is formed at the joint of the sealing table (102) and the backflow groove (101); the improved bottle cap is characterized in that a sealing ring (210) is arranged in the upper cap (20) in a protruding mode, a conical sealing table (211) is arranged at the opening end of the sealing ring (210), the conical sealing table (211) is arranged on the upper cap (20) and the bottle cap cover (10) in a covering mode and extends into the conical sealing groove (110) and is in sealing abutting connection with the conical sealing groove (110), and the funnel groove (107) and the liquid outlet (103) are sealed in the sealing ring (210).

8. The tear-off environmental protection bottle cap according to any one of claims 1 to 5, wherein: the outer wall of upper cover (20) annular equipartition has a plurality of archs (220), just protruding (220) vertical setting.

9. The tear-off environmental protection bottle cap according to any one of claims 1 to 5, wherein: the diameter of the lower end of the bottle cap (10) is increased in a step manner to form an annular connecting part (12), and the annular connecting part (12) is sleeved on the bottle mouth of the liquid containing bottle.