CN217707008U - A bottle cap bottle and mold for forming bottle cap - Google Patents

Abstract

The utility model provides a bottle cap, a bottle and a mould for forming the bottle cap, the bottle cap comprises a cap body covering a bottle mouth, the cap body comprises a top wall, a side wall which is connected with the top wall and is provided with an internal thread, and a sealing groove which is connected with the top wall and is matched with the bottle mouth, the opening of the sealing groove is downward, the inner side groove wall and the outer side groove wall are oppositely arranged along the horizontal direction, the vertical height of the inner side groove wall is greater than that of the outer side groove wall, the outer side groove wall is provided with a supporting end opposite to the inner side groove wall, and one end of the outer side groove wall, which deviates from the supporting end along the horizontal direction, is connected to the side wall; the end of the outer side groove wall departing from the abutting end in the horizontal direction is connected to the side wall, so that the extrusion force from the inner side groove wall received by the abutting end is directly transmitted and acts on the side wall, the condition that the outer side groove wall is bent or even broken in the horizontal direction is avoided, and the sealing performance of the bottle cap and the bottle opening is ensured.

Description

Bottle cap, bottle and mold for forming bottle cap

Technical Field

The utility model relates to a container is sealed and the container field of making especially relates to a bottle lid, bottle and be used for the mould of shaping bottle lid.

Background

The bottle cap is common in daily life, and various bottles such as beverage bottles, health product bottles and medicine bottles are sealed by the bottle cap. After the existing bottle cap is matched with a bottle mouth through threaded connection, the inner and outer side groove walls of a sealing groove on the bottle cap are abutted against the bottle mouth to realize sealing, because the vertical height of the inner side groove wall is greater than that of the outer side groove wall, and the outer side groove wall and the side wall are arranged at intervals, so that after extrusion force applied to the bottle mouth by the inner side groove wall is transmitted to the outer side groove wall, the outer side groove wall is easy to bend and deform or even break, and the sealing performance of the bottle cap and the bottle mouth is influenced.

Disclosure of Invention

An object of the utility model is to provide a bottle lid that outside cell wall intensity is high.

Another object of the utility model is to provide a bottle that life is high.

Yet another object of the present invention is to provide a method of reducing and the mold is used for forming the bottle cap and is used for processing and detecting the cost.

In order to realize one of the above-mentioned utility model purposes, an embodiment of the utility model provides a bottle cap, including covering in the lid of bottleneck, the lid includes the roof, connects the roof and have the internal screw thread lateral wall, connect the roof and with bottleneck assorted seal groove, the opening of seal groove is downward to have the inboard cell wall and the outside cell wall of setting relatively along the horizontal direction, the vertical height of inboard cell wall is greater than the vertical height of outside cell wall, the outside cell wall has supports with inboard cell wall is relative holds the end, the outside cell wall deviates from along the horizontal direction and supports the one end of holding the end and connect in the lateral wall.

As a further improvement of an embodiment of the present invention, the sealing groove further has an upper groove wall connecting the top wall and located between the inner groove wall and the outer groove wall, the abutting end has an abutting surface connecting the upper groove wall, the abutting surface inclines downward and toward the inner groove wall from one end connected to the upper groove wall.

As a further improvement of an embodiment of the present invention, the outside cell wall still has the support end that deviates from the roof along the vertical direction, the outside cell wall is connected in upside cell wall and/or roof along the one end that vertical direction deviates from the support end, the support end has the connection and supports the holding surface of holding the end, the holding surface extends along the horizontal direction.

As a further improvement of an embodiment of the present invention, the abutting end further has a guide surface connecting the abutting surface and the supporting surface, and a cross-sectional shape of the guide surface is configured to be a circular arc.

As a further improvement of an embodiment of the present invention, the supporting end further has a chamfer surface connecting the inner surface of the side wall and the supporting surface, the chamfer surface inclines downwards from the one end connected to the supporting surface and to the direction of the inner side groove wall in a back-to-back manner.

As a further improvement of an embodiment of the present invention, the sealing groove further includes an upper abutting block connected to the upper groove wall and protruding downward, an inner abutting block connected to the inner groove wall and protruding toward the outer groove wall, and the upper abutting block is connected to the top wall.

As an embodiment of the utility model is further improved, the bottle lid is still including the theftproof ring of connecting the lid, the theftproof ring is including connecting in the lateral wall lower extreme and along a plurality of theftproof pieces that the central axis circumference of lateral wall evenly set up, and the interval sets up between the adjacent theftproof piece.

As a further improvement of an embodiment of the present invention, the anti-theft plate has a fixed end connected to the side wall and a free end deviating from the fixed end, the anti-theft plate is inclined upward from the fixed end to the central axis of the side wall, and the thickness of the free end is greater than the thickness of the fixed end.

In order to realize the above another object of the present invention, the present invention also provides a bottle, including a bottle body forming a bottle opening, the bottle further includes the above-mentioned bottle cap, the bottle cap is connected with the bottle body by screw thread.

In order to realize another purpose of the utility model, the utility model also provides a mould for forming the bottle cap, which comprises an upper mould and a lower mould, the mould is still including setting up bottle lid groove on last mould, set up on the lower mould and with bottle lid groove matched with shaping post, shaping post has the outside shaping groove with outside cell wall assorted.

Compared with the prior art, the utility model discloses an among the embodiment, the outside cell wall deviates from along the horizontal direction to support the one end of holding the end and connect in the lateral wall to hold the extrusion force that comes from the inboard cell wall that the end received, direct transmission acts on the lateral wall, avoids the outside cell wall to produce the condition of buckling or even breaking along the horizontal direction, ensures the sealing performance of bottle lid and bottleneck.

Drawings

Fig. 1 is a cross-sectional view illustrating a bottle cap according to a preferred embodiment of the present invention, which is fitted to a bottle body;

figure 2 is a view of the closure of figure 1a schematic plan view of a cross-sectional view;

FIG. 3 is an enlarged view at A in FIG. 2;

figure 4 is a schematic perspective view of a cross-sectional view of the closure of figure 1;

fig. 5 is a partial cross-sectional view of a forming column in a preferred embodiment of the invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments do not limit the present invention, variations in structure, method, or function that may be apparent to those of ordinary skill in the art upon reading the foregoing description are intended to be within the scope of the present invention.

It will be understood that terms such as "upper," "lower," "outer," "inner," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The product may be oriented in other ways (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly. For convenience of description, in the present invention, when the bottle is normally placed, the direction facing the ground is downward, and the direction departing from the ground is upward; the direction parallel to the ground is the horizontal direction, and the direction perpendicular to the ground is the vertical direction.

Referring to fig. 1 to 4, a preferred embodiment of the present invention provides a bottle cap, the bottle cap 10 is connected with or separated from the bottle opening in a butt joint mode in a knob mode, so that the bottle opening 21 is sealed, and fluid in the bottle is prevented from leaking at the bottle opening 21.

Specifically, referring to fig. 1 and 2, a bottle cap 10 includes a cap body 11 covering a bottle opening 21. In this embodiment, the cover 11 is made of a plastic material and is manufactured by integral molding.

Specifically, the cover body 11 includes a top wall 11a, a side wall 11b connected to the top wall 11a and having an internal thread, and a sealing groove 11c connected to the top wall 11a and matching with the bottle mouth 21, wherein an opening of the sealing groove 11c faces downward. In this embodiment, after the bottle cap 10 is assembled on the bottle mouth 21 by means of a knob, at least a part of the upper edge of the bottle mouth 21 abuts against the inner wall of the sealing groove 11c, so as to limit the leakage of the fluid in the bottle from the matching position of the bottle mouth 21 and the sealing groove 11 c.

Specifically, the inner groove wall 11c1 and the outer groove wall 11c2 are oppositely arranged along the horizontal direction, and the vertical height of the inner groove wall 11c1 is larger than that of the outer groove wall 11c 2. In this embodiment, the inner groove wall 11c1 abuts against the inner wall of the bottle mouth 21, and the outer groove wall 11c2 abuts against the outer wall of the bottle mouth 21, thereby realizing multiple sealing of the bottle mouth 21. In the process of turning the knob, the inner groove wall 11c1 contacts the bottle mouth 21 before the outer groove wall 11c2, thereby guiding the bottle mouth 21 into the sealing groove 11 c.

Further, the outer groove wall 11c2 has a supporting end 11c21 opposite to the inner groove wall 11c1, and an end of the outer groove wall 11c2 away from the supporting end 11c21 in the horizontal direction is connected to the side wall 11b.

In this embodiment, when the bottle mouth 21 completely abuts against the sealing groove 11c, the inner groove wall 11c1 slightly bends and deforms, and the inner groove wall 11c1 is subjected to its own deformation force to press the bottle mouth 21 against the abutting end 11c21, thereby ensuring the sealing between the outer groove wall 11c2 and the bottle mouth 21. Since the end of the outer groove wall 11c2 away from the holding end 11c21 in the horizontal direction is connected to the side wall 11b, the pressing force applied to the holding end 11c21 from the bottle mouth 21 is transmitted to the side wall 11b by the outer groove wall 11c2, thereby preventing the outer groove wall 11c2 from bending and deforming or breaking, and prolonging the service life of the bottle cap 10.

One end of the outer groove wall 11c2, which is far away from the abutting end 11c21 in the horizontal direction, is connected to the side wall 11b, so that the pressing force applied to the abutting end 11c21 from the inner groove wall 11c1 is directly transmitted to and acts on the side wall 11b, the outer groove wall 11c2 is prevented from being bent or even broken in the horizontal direction, and the sealing performance of the bottle cap 10 and the bottle mouth 21 is ensured.

Further, the seal groove 11c has an upper groove wall 11c3 connecting the top wall 11a and located between the inner groove wall 11c1 and the outer groove wall 11c 2.

In this embodiment, the sealing groove 11c is formed between the inner groove wall 11c1, the outer groove wall 11c2, the upper groove wall 11c3, and the top wall 11a, and since the upper groove wall 11c3 is integrally formed with the top wall 11a, the upper groove wall 11c3 may be connected only to the outer groove wall 11c2 without being connected to the inner groove wall 11c1, thereby saving the material required for forming the sealing groove 11c and not affecting the strength of the outer groove wall 11c 2. Of course, in some embodiments, the upper groove wall 11c3 may also connect the inner groove wall 11c1 and the outer groove wall 11c2 at the same time, thereby increasing the strength of the sealing groove 11 c. When the mouth 21 completely abuts against the sealing groove 11c, the tip opening of the mouth 21 abuts against the upper groove wall 11c3, and the sealing property between the mouth 21 and the sealing groove 11c is improved.

Specifically, referring to fig. 3, the abutting end 11c21 has an abutting surface 11c211 connected to the upper groove wall 11c3, and the abutting surface 11c211 is inclined downward from an end connected to the upper groove wall 11c3 toward the inner groove wall 11c 1.

In this embodiment, when the bottle mouth 21 is completely abutted against the sealing groove 11c, the inclined contact surface 11c211 can generate a pressing force on the outer wall of the spout 21 upward and toward the inner wall 11c1, and prevent the spout 21 from coming off the seal groove 11 c.

Furthermore, the outer slot wall 11c2 also has a support end 11c22 facing away from the top wall 11a in the vertical direction, and the end of the outer slot wall 11c2 facing away from the support end 11c22 in the vertical direction is connected to the upper slot wall 11c3 and/or the top wall 11a.

In this embodiment, the horizontal height of the lower surface of the supporting end 11c22 is lower than that of the abutting end 11c21, so as to prevent the outer slot wall 11c2 from deforming under the horizontal extrusion force. The end of the outer groove wall 11c2, which is away from the support end 11c22 in the vertical direction, is connected to the upper groove wall 11c3 and the top wall 11a, improving the mounting strength of the outer groove wall 11c 2.

Specifically, the supporting end 11c22 has a supporting surface 11c221 connected to the abutting end 11c21, and the supporting surface 11c221 extends in the horizontal direction. In this embodiment, the cross section of the outer groove wall 11c2 is "L" shaped, and the supporting surface 11c221 is parallel to the horizontal direction, so that the supporting strength of the sidewall 11b to the abutting end 11c21 is improved while the sealing groove 11c is manufactured.

Specifically, the abutting end 11c21 further includes a guide surface 11c212 connecting the abutting surface 11c211 and the support surface 11c221, and the cross-sectional shape of the guide surface 11c212 is configured in a circular arc shape.

In this embodiment, the guiding surface 11c212 is arranged, so that the matching process of the guiding surface 11c212 and the bottle mouth 21 of the bottle cap 10 is smoother in the process of turning the knob, the process of abutting the outer groove wall 11c2 against the bottle mouth 21 is more labor-saving, and the bottle mouth 21 is not easily damaged. When the guide surface 11c212 of the outer groove wall 11c2 abuts against the mouth 21, the contact between the two is point contact, and the sealing performance between the outer groove wall 11c2 and the mouth 21 is improved.

Specifically, the supporting end 11c22 further has a chamfered surface 11c222 connecting the inner surface of the side wall 11b and the supporting surface 11c221, and the chamfered surface 11c222 is inclined downward from the end connected to the supporting surface 11c221 and away from the inner groove wall 11c 1.

In this embodiment, an included angle between the chamfered surface 11c222 and the side wall 11b is greater than 90 °, so that the supporting strength of the side wall 11b to the outer side groove wall 11c2 is improved. The included angle between the chamfered surface 11c222 and the support surface 11c221 is greater than 90 ° so as to facilitate the molding manufacture of the support end 11c 22.

Further, the sealing groove 11c further includes an upper abutment 11c4 protruding downward from the upper groove wall 11c3, and an inner abutment 11c5 protruding toward the outer groove wall 11c2 from the inner groove wall 11c 1.

In this embodiment, when the bottle mouth 21 completely abuts against the sealing groove 11c, the top end opening of the bottle mouth 21 abuts against the upper abutment block 11c4, the inner wall of the bottle mouth 21 abuts against the inner abutment block 11c5, and the bottle mouth 21 is in point contact with both the upper abutment block 11c4 and the inner abutment block 11c5, so that the sealing effect of the bottle mouth 21 and the sealing groove 11c is improved.

In particular, the upper abutment block 11c4 is connected to the top wall 11a. In this embodiment, the upper abutting block 11c4 connects the top wall 11a and the upper groove wall 11c3 at the same time, so that the installation strength of the upper abutting block 11c4 is improved, and the sealing effect between the upper abutting block 11c4 and the upper port of the bottle mouth 21 is ensured.

Further, referring to fig. 4, the bottle cap 10 further includes an anti-theft ring 13 connected to the cap body 11, the anti-theft ring 13 includes a plurality of anti-theft pieces 13a connected to the lower end of the sidewall 11b and uniformly arranged along the circumferential direction of the central axis of the sidewall 11b, and adjacent anti-theft pieces 13a are arranged at intervals.

In this embodiment, the anti-theft ring 13 is used to lock the bottle cap 10 on the bottle mouth 21, and the anti-theft pieces 13a uniformly arranged in the circumferential direction enable the bottle cap 10 and the bottle mouth 21 to be uniformly stressed. Moreover, the spaced anti-theft tabs 13a also reduce the resistance experienced by the closure 10 when it is unlocked from the mouth 21.

Further, the anti-theft plate 13a has a fixed end 13a1 connected to the side wall 11b and a free end 13a2 departing from the fixed end 13a1, the anti-theft plate 13 inclines upwards from the fixed end 13a1 to the central axis of the side wall 11b, and the thickness of the free end 13a2 is greater than that of the fixed end 13a 1.

In this embodiment, the inclined anti-theft tab 13a facilitates locking between the bottle cap 10 and the bottle mouth 21, and ensures reliability after locking. Moreover, the thickness of the fixed end 13a1 is small, so that the anti-theft plate 13a is easily bent and deformed or broken when the bottle cap 20 is unlocked.

Referring to fig. 1, the preferred embodiment of the present invention also provides a bottle including a body 20 forming a mouth 21, the bottle further including a cap 10 as described above, the cap 10 being threadedly coupled to the body 20. In the embodiment, when the bottle cap 10 is used, the service lives of the bottle opening 21 and the bottle cap 10 are prolonged, so that the service life of the bottle is prolonged.

Referring to fig. 5, a preferred embodiment of the present invention further provides a mold for forming the bottle cap 10 as described above, including an upper mold and a lower mold. In this embodiment, the bottle cap 10 is formed by closing the upper and lower molds, wherein the mold may be formed by compression molding or injection molding.

Specifically, the mold further comprises a bottle cap groove formed in the upper mold, and a forming column 30 arranged on the lower mold and matched with the bottle cap groove, wherein the forming column 30 is provided with an outer forming groove 30a matched with the outer groove wall 11c 2.

In this embodiment, when the outer groove wall 11c2 is formed by using the outer forming groove 30a, since the supporting end 11c21 and the supporting end 11c22 are supported to be "L" shaped and open, the outer forming groove 30a can be turned during manufacturing without performing electrical discharge machining, thereby saving the manufacturing cost of the mold. After the outer forming groove 30a is manufactured, the outer forming groove 30a can be detected by using a caliper, so that the manufacturing precision is ensured, and the detection cost is saved.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (10)

1. The bottle cap is characterized in that the outer side groove wall is provided with a supporting end opposite to the inner side groove wall, and one end of the outer side groove wall deviating from the supporting end in the horizontal direction is connected to the side wall.

2. The bottle cap of claim 1, wherein the sealing groove further has an upper groove wall connecting the top wall and located between the inner and outer groove walls, and the abutting end has an abutting surface connecting the upper groove wall, the abutting surface being inclined downward and toward the inner groove wall from an end connected to the upper groove wall.

3. The bottle cap of claim 2, wherein the outer sidewall further has a support end facing away from the top wall in a vertical direction, the end of the outer sidewall facing away from the support end in the vertical direction being connected to the upper sidewall and/or the top wall, the support end having a support surface connected to the abutment end, the support surface extending in a horizontal direction.

4. The bottle cap of claim 3, wherein the holding end further has a guide surface connecting the holding surface and the support surface, and the cross-sectional shape of the guide surface is configured in a circular arc shape.

5. The bottle cap of claim 3, wherein the support end further has a chamfered surface connecting the inner surface of the sidewall and the support surface, the chamfered surface being inclined downward and away from the inner groove wall from the end connected to the support surface.

6. The bottle cap of claim 2, the seal groove is characterized by further comprising an upper butt joint block which is connected with the upper groove wall and protrudes downwards, an inner butt joint block which is connected with the inner groove wall and protrudes towards the outer groove wall, and the upper butt joint block is connected with the top wall.

7. The bottle cap of claim 1, further comprising a tamper ring coupled to the cap body, the tamper ring including a plurality of tamper rings coupled to a lower end of the sidewall and disposed circumferentially and uniformly along a central axis of the sidewall, adjacent tamper rings being spaced apart.

8. The bottle cap of claim 7, wherein the tamper band has a fixed end connected to the sidewall and a free end away from the fixed end, the tamper band being inclined upward from the fixed end and toward a central axis of the sidewall, the free end having a thickness greater than a thickness of the fixed end.

9. A bottle comprising a body forming a mouth, wherein the bottle further comprises a cap according to any one of claims 1 to 8, the cap being threadably connected to the body.

10. A mold for forming a bottle cap according to any one of claims 1 to 8, comprising an upper mold and a lower mold, wherein the mold further comprises a bottle cap groove formed in the upper mold, and a forming post formed in the lower mold and engaged with the bottle cap groove, the forming post having an outer forming groove engaged with the outer groove wall.

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