阅读说明：本技术 一种方便拧紧的分体瓶盖 (Split bottle cap convenient to screw down ) 是由 施东兴 于 2021-02-02 设计创作，主要内容包括：本发明实施倒公开一种方便拧紧的分体瓶盖,包括上盖体和下盖体,上盖体与下盖体螺纹连接,下盖体的上端面中间设有倒出口,倒出口内部设有拉环,倒出口的外侧设有外螺纹,上盖体的内壁设有内螺纹,外螺纹的牙头至少设有3个,本发明重新设计了分体瓶盖的螺纹结构,方便定位,容易旋转、密封和打开；本发明重新设计了封油圈结构,更加方便密封,提升密封效果。(The invention discloses a split bottle cap convenient to screw, which comprises an upper cap body and a lower cap body, wherein the upper cap body is in threaded connection with the lower cap body, a pouring opening is formed in the middle of the upper end surface of the lower cap body, a pull ring is arranged inside the pouring opening, external threads are arranged on the outer side of the pouring opening, internal threads are arranged on the inner wall of the upper cap body, and at least 3 thread heads of the external threads are arranged; according to the invention, the oil seal ring structure is redesigned, so that the sealing is more convenient, and the sealing effect is improved.)

1. The utility model provides a convenient components of a whole that can function independently bottle lid of screwing up which characterized in that, includes upper cover body and lower lid, upper cover body and lower lid threaded connection are equipped with the pouring spout in the middle of the up end of lower lid, and the inside pull ring that is equipped with of pouring spout, the outside of pouring spout are equipped with the external screw thread, and the inner wall of upper cover body is equipped with the internal thread, and the tooth head of external screw thread is equipped with 3 at least.

2. The split bottle cap convenient to screw down as claimed in claim 1, wherein the number of the thread heads of the external thread is 3 or 4 or 5 or 6.

3. The screw-on bottle cap as claimed in claim 2, wherein the top of the spout is provided with an introduction port having a thickness smaller than that of the bottom of the spout, the introduction port being inclined outward.

4. The bottle cap of claim 3, wherein an inner plug is provided in the middle of the upper cap body, and the inner plug is caught in the introduction port.

5. The split bottle cap convenient to screw down as claimed in claim 1, wherein the curved surface of the upper cap body is provided with a vertical groove, and a top of the vertical groove extends to an upper end surface of the upper cap body.

6. The split bottle cap convenient to screw down according to claim 1, wherein the lower cap body has a circular truncated cone structure, and an upper end surface of the lower cap body is directly smaller than a diameter of a lower end surface.

7. The split bottle cap convenient to screw down according to claim 6, wherein the lower end of the pull ring is connected with the lower cap body through 2 parallel connecting ribs, the pull ring comprises a first pull ring and a second pull ring, the first pull ring is connected with the two connecting ribs, the second pull ring is located outside the two connecting ribs, the height of the first pull ring is smaller than that of the second pull ring, and the upper end face of the first pull ring is flush with the upper end face of the second pull ring.

8. The split bottle cap convenient to screw down according to claim 1, wherein a second inner plug is arranged in the middle of the lower end of the lower cap body, and 2 oil sealing rings are arranged at the bottom of the second inner plug.

9. The split bottle cap convenient to screw down according to claim 8, wherein the second inner plug comprises a second inner plug body and a second inner plug tip portion, the second inner plug body is connected with the bottom of the upper end face of the lower cap body, the second inner plug tip portion faces the bottle body, an outer ring of the second inner plug tip portion is bent inwards, one oil seal ring is located on the second inner plug body, and the other oil seal ring is located on the second inner plug tip portion.

Technical Field

The invention relates to the field of bottle caps, in particular to a split bottle cap convenient to screw.

Background

The plastic cap is a common packaging form of bottle, can and barrel packaging, especially in the fields of beverage, chemical industry and medicine, the plastic cap generally uses polyolefin as a main raw material and is processed and formed by processes of injection molding, hot pressing and the like, the bottle cap comprises a split type bottle cap and an integrated type bottle cap, the split type bottle cap is directly poured out after an upper cap is opened, the integrated type bottle cap is poured out after a pull ring is pulled open, after the plastic cap is used, the upper cap body is sealed with a lower cap body, the lower cap body is sealed with a bottle body, the upper cap and the lower cap of the existing split type bottle cap are connected through threads, the plastic cap is unscrewed by a machine or manually, and cannot be screwed or is screwed, and the upper cap cannot be. And foreign matters can easily enter the manual screw cap.

Disclosure of Invention

In view of this, the embodiment of the present invention provides a split bottle cap convenient to screw, which solves the disadvantages of the existing split bottle cap.

The invention discloses a split bottle cap convenient to screw, which comprises an upper cap body and a lower cap body, wherein the upper cap body is in threaded connection with the lower cap body, a pouring opening is formed in the middle of the upper end surface of the lower cap body, a pull ring is arranged inside the pouring opening, external threads are arranged on the outer side of the pouring opening, internal threads are arranged on the inner wall of the upper cap body, and at least 3 tooth heads of the external threads are arranged.

Further, the number of the thread heads of the external thread is 3, 4, 5 or 6.

Furthermore, the top of the pouring opening is provided with an introducing opening, the thickness of the introducing opening is smaller than that of the bottom of the pouring opening, and the introducing opening is inclined outwards.

Furthermore, an inner plug is arranged in the middle of the upper cover body and clamped inside the introducing port.

Furthermore, the curved surface of the upper cover body is provided with a vertical groove, and the top of the vertical groove extends to the upper end face of the upper cover body.

Furthermore, the lower cover body is of a circular truncated cone structure, and the diameter of the upper end face of the lower cover body is directly smaller than that of the lower end face.

Further, the lower extreme of pull ring is connected with lower lid through the splice bar of 2 parallels, and the pull ring includes pull ring one and pull ring two, and two splice bars are connected to pull ring one, and pull ring two is located the outside of two splice bars, and the height that highly is less than pull ring two of pull ring one, the up end of pull ring one and the up end parallel and level of pull ring two.

Furthermore, the middle of the lower end of the lower cover body is provided with an inner plug II, and the bottom of the inner plug II is provided with 2 oil sealing rings.

Further, two interior stopper portions of two bodies of interior stopper and two interior stopper portions are drawn together to interior stopper two, and two bodies of interior stopper are connected with the up end bottom of lower lid, and two point portions of interior stopper are towards the bottle, and two point portion outer lanes of interior stopper are crooked inwards, and one of them oil blanket is located two bodies of interior stopper, and another oil blanket is located two point portions of interior stopper.

The embodiment of the invention redesigns the thread structure of the split bottle cap, is convenient for positioning and is easy to rotate, seal and open; according to the invention, the oil seal ring structure is redesigned, so that the sealing is more convenient, and the sealing effect is improved.

Drawings

Fig. 1 is a schematic diagram of a closed cover according to an embodiment of the present invention.

Fig. 2 is a schematic view of another perspective after the cover is closed according to an embodiment of the present invention.

Fig. 3 is a front view of fig. 1.

Fig. 4 is a sectional view taken along line a-a of fig. 3.

Fig. 5 is a front view of the lower cover.

Fig. 6 is a sectional view taken along line C-C in fig. 5.

Fig. 7 is a front view of the upper cover.

Fig. 8 is a sectional view taken along line B-B in fig. 7.

Fig. 9 is a perspective view of the lower cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in the figures, the invention discloses a split bottle cap convenient to screw, which comprises an upper cap body 1 and a lower cap body 2, wherein the upper cap body 1 is in threaded connection with the lower cap body 2, a pouring opening 3 is arranged in the middle of the upper end surface of the lower cap body 2, a pull ring 4 is arranged inside the pouring opening 3, an external thread 31 is arranged on the outer side of the pouring opening 3, an internal thread 101 is arranged on the inner wall of the upper cap body 1, and at least 3 tooth heads 311 of the external thread 31 are arranged. Compared with the existing 1 thread or 2 threads, the thread cutting machine has the advantages that the number of the thread heads is increased, the number of the thread heads is controlled, the positioning is convenient, and the thread cutting machine is easy to rotate, seal and open.

In an embodiment of the present invention, the number of the thread heads 311 of the external thread 31 is 3, 4, 5 or 6.

In one embodiment of the present invention, the spout 3 is provided with an inlet 32 at the top thereof, the inlet 32 is smaller in thickness than the bottom thereof, and the inlet 32 is inclined outward. Access to the inlet makes it easier for the plug to pour out the spout-connecting seal. And simultaneously prevents the inner plug from interfering with the pouring outlet. The sealing effect is improved.

In an embodiment of the present invention, an inner plug 5 is provided in the middle of the upper cover 1, and the inner plug 5 is locked inside the introduction port 32.

In an embodiment of the present invention, the curved surface of the upper cover 1 is provided with a vertical slot 102, and the top of the vertical slot 102 extends to the upper end surface of the upper cover. The vertical slots 102 facilitate unscrewing of the upper cover.

In an embodiment of the present invention, the lower cover 2 is a circular truncated cone structure, and the upper end surface of the lower cover 2 is directly smaller than the diameter of the lower end surface.

In an embodiment of the present invention, the lower end of the pull ring 4 is connected to the lower lid body through 2 parallel connecting ribs 6, the pull ring 4 includes a first pull ring 41 and a second pull ring 42, the first pull ring 41 is connected to the two connecting ribs 6, the second pull ring 42 is located outside the two connecting ribs 6, the height of the first pull ring 41 is smaller than the height of the second pull ring 42, and the upper end surface of the first pull ring is flush with the upper end surface of the second pull ring. The pull ring design and the connecting rib structure are favorable for dispersing the stress of the pull ring, the pull ring cannot be broken when the pull ring is used, and the use experience is improved.

In an embodiment of the present invention, the middle of the lower end of the lower cover body 2 is provided with a second inner plug 7, and the bottom of the second inner plug 7 is provided with 2 oil sealing rings 8.

In an embodiment of the present invention, the second inside plug 7 includes a second inside plug body 71 and a second inside plug tip 72, the second inside plug body 71 is connected to the bottom of the upper end surface of the lower cover body 2, the second inside plug tip faces the bottle body, an outer ring of the second inside plug tip is bent inward, one of the oil seal rings 8 is located on the second inside plug body, and the other oil seal ring is located on the second inside plug tip. The quantity and the position design of oil seal circle promote the oil seal effect.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.