Structural design of inner screw cap matched with American bucket for use

Abstract

The utility model relates to the technical field of American-style barrel screw caps, in particular to a structural design of an inner screw cap matched with an American-style barrel for use, and provides an American-style barrel screw cap structure which is easy to open and leakproof after being screwed down. According to the structural design of the inner screw cap matched with the American bucket for use, the inner screw cap comprises a bucket body, an annular sleeve and a screw cap body, a screw handle is arranged at the top of the screw cap body, the annular sleeve is of a U-shaped structure with a downward opening, and the end face of the inner side of the annular sleeve is of an L-shaped structure. The annular sleeve is arranged at the top end of the barrel body, and the annular sleeve can be meshed with the barrel opening when pressed downwards. A first sealing ring and a second sealing ring are arranged, so that the liquid leakage condition is greatly reduced; and when the barrel body topples over, the liquid cannot overflow out of the rotary cover and the annular sleeve, so that the American type container which is good in sealing performance, capable of preventing liquid leakage and capable of being repeatedly used is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of American barrel screw caps, in particular to a structural design of an inner screw cap used in conjunction with an American barrel. Background Art

[0002] American barrel is a general term for a plastic barrel with a wide and thick rim for transportation. It usually consists of two parts: the barrel body and the barrel cover.

[0003] The existing American barrel and the barrel cover are generally connected by an inverted buckle. We found that it is difficult to press and open the cover during use, which affects the efficiency of use. Therefore, a structural design of an inner screw cap used with an American barrel is proposed to achieve an American barrel screw cap structure that is easy to open and leak-proof. Utility Model Content

[0004] The utility model aims to provide a structural design of an inner screw cap used in conjunction with an American barrel, thereby realizing an American barrel screw cap structure which is easy to open and leak-proof.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A structural design of an inner screw cap for use with an American barrel comprises a barrel body, an annular sleeve and a screw cap, wherein a screw handle is arranged on the top of the screw cap, the annular sleeve is in a U-shaped structure with an opening facing downward, the inner end face of the annular sleeve is in an L-shaped structure, the outer end face of the U-shaped structure of the annular sleeve is in an outwardly opened state, the outer side of the screw cap is screwed and connected with the inner side of the annular sleeve, the horizontal portion of the screw cap is placed on the horizontal portion of the inner side of the L-shape of the annular sleeve, the vertical portion of the screw cap is sleeved with a first sealing ring, the first sealing ring is respectively abutted against the horizontal portion of the screw cap and the inner end face of the annular sleeve, the top end of the barrel body is in an outwardly curled structure, the inner side of the U-shaped structure of the annular sleeve is abutted against the curled bottom of the barrel body, a second sealing ring is arranged in the U-shaped structure of the annular sleeve, and the second sealing ring is abutted against the top of the curled structure of the barrel body.

[0007] Preferably, a straight-shaped rotary handle is provided on the top of the rotary cover.

[0008] Preferably, a cross-shaped rotary handle is provided on the top of the rotary cover.

[0009] Preferably, a U-shaped groove is provided at the inner peripheral position of the vertical portion of the rotary cover, and a plurality of reinforcing plates are provided in a circular array in the U-shaped groove.

[0010] Preferably, the top of the screw cap is flush with the top of the annular sleeve.

[0011] Preferably, the thread arc length on the inner side of the annular sleeve is less than one circle, and an L-shaped convex strip bent upward by 90° is provided on the inner side of the protective sleeve, and the L-shaped convex strip is connected to one end of the thread arc.

[0012] The utility model has at least the following beneficial effects:

[0013] 1. By arranging an annular sleeve at the top of the barrel body, the outer side of the annular sleeve is opened outward, and the annular sleeve is pressed down to engage with the barrel mouth. The arrangement of the first sealing ring and the second sealing ring greatly reduces the possibility of liquid leakage; the liquid will not overflow from the screw cap and the annular sleeve, realizing an American container with good sealing, leakage prevention and reusability.

[0014] 2. A plurality of reinforcing plates are arranged in a circular array in the U-shaped groove of the screw cap. The arrangement of the reinforcing plates can reduce the degree of deformation of the periphery of the screw cap due to thermal expansion and contraction, and further improve the dimensional stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the American barrel structure;

[0017] Figure 2 It is a schematic diagram of the screw cap structure of the cross-shaped screw handle;

[0018] Figure 3 It is a schematic diagram of the inner structure of the screw cap of the straight screw handle;

[0019] Figure 4 It is a partial cross-sectional schematic diagram of the installation status of the screw cap, barrel body and annular sleeve.

[0020] In the figure: 1. barrel body; 2. annular sleeve; 3. screw cap; 4. straight screw handle; 5. cross screw handle; 6. first sealing ring; 7. second sealing ring. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] Reference Figure 1-4, a structural design of an inner screw cap for an American barrel, comprising a barrel body 1, an annular sleeve 2 and a screw cap 3, a screw handle being arranged on the top of the screw cap 3, the annular sleeve 2 being a U-shaped structure with an opening facing downward, the inner end face of the annular sleeve 2 being an L-shaped structure, the outer end face of the U-shaped structure of the annular sleeve 2 being in an outwardly open state, the outer side of the screw cap 3 being screwed and connected with the inner side of the annular sleeve 2, the horizontal part of the screw cap 3 being placed on the horizontal part of the inner side of the L-shaped annular sleeve 2, the vertical part of the screw cap 3 being sleeved with a first sealing ring 6, the first sealing ring 6 being respectively abutted against the horizontal part of the screw cap 3 and the inner end face of the annular sleeve 2, the top end of the barrel body 1 being an outwardly curled structure, the inner side of the U-shaped structure of the annular sleeve 2 being abutted against the curled bottom of the barrel body 1, a second sealing ring 7 being arranged in the U-shaped structure of the annular sleeve 2, the second sealing ring 7 being abutted against the top of the curled structure of the barrel body 1;

[0023] This scheme has the following working process: by setting an annular sleeve 2 at the top of the barrel body 1, the outer side of the annular sleeve 2 is opened outward, and the annular sleeve is pressed down to bite with the barrel mouth. The setting of the first sealing ring and the second sealing ring greatly reduces the possibility of liquid leakage; by screwing the cover 3 with the inner side of the annular sleeve 3, the cover 3 makes the inner side of the annular sleeve 2 against the inner wall of the barrel body 1, reducing the possibility of liquid leakage after the annular sleeve 2, the barrel body 1 or the cover 3 cooperate, and the cover 3 is provided with a first sealing ring 6 against the U-shaped annular sleeve 2, and the U-shaped structure of the annular sleeve 2 is provided with a second sealing ring 7 against the top of the barrel body 1, thereby greatly reducing the possibility of liquid leakage; and when the barrel body 1 is tilted, the liquid will not overflow from the cover and the annular sleeve, realizing a good sealing and liquid leakage prevention. By optimizing the connection method of the cover 3 and the barrel body 1, a good sealing, liquid leakage prevention and reusable American container is realized.

[0024] Furthermore, a straight-shaped rotary handle 4 is provided on the top of the rotary cover 3. Specifically, the straight-shaped rotary handle 4 is used for easy screwing operation according to the needs of the user.

[0025] Furthermore, a cross-shaped rotary handle 5 is provided on the top of the rotary cover 3. Specifically, the cross-shaped rotary handle 5 can improve the aesthetics of the cover according to the needs of the user.

[0026] Furthermore, a U-shaped groove is provided at the inner peripheral position of the vertical portion of the rotary cover 3, and a plurality of reinforcing plates are provided in a circular array in the U-shaped groove. Specifically, the provision of the reinforcing plates can reduce the degree of deformation of the peripheral portion of the rotary cover 3 due to thermal expansion and contraction.

[0027] Furthermore, the top of the screw cap 3 is flush with the top of the annular sleeve 2, which makes it easier to tighten.

[0028] Furthermore, the length of the thread arc on the inner side of the annular sleeve 2 is less than one circle, and an L-shaped convex strip bent upward by 90° is provided on the inner side of the annular sleeve 2. The L-shaped convex strip is connected to one end of the thread arc. Specifically, the setting of the L-shaped convex strip is used to limit the rotation of the screw cap 3, thereby providing a prompting effect.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A structural design of an inner screw cap for an American barrel, characterized in that: The invention comprises a barrel body (1), an annular sleeve (2) and a rotary cover (3), wherein a rotary handle is arranged on the top of the rotary cover (3), the annular sleeve (2) is in a U-shaped structure with its opening facing downward, the inner end surface of the annular sleeve (2) is in an L-shaped structure, the outer end surface of the U-shaped structure of the annular sleeve (2) is in an outwardly open state, the outer side of the rotary cover (3) is screwed and connected with the inner side of the annular sleeve (2), the horizontal part of the rotary cover (3) is placed on the horizontal part of the inner side of the L-shaped annular sleeve (2), and the rotary cover (3) is in a state of being screwed and connected with the inner side of the annular sleeve (2). The vertical portion of the rotary cover (3) is sleeved with a first sealing ring (6), which respectively abuts against the horizontal portion of the rotary cover (3) and the inner end surface of the annular sleeve (2); the top end of the barrel body (1) is an outwardly curled structure, the inner side of the U-shaped structure of the annular sleeve (2) abuts against the curled bottom of the barrel body (1); a second sealing ring (7) is arranged inside the U-shaped structure of the annular sleeve (2), and the second sealing ring (7) abuts against the top of the curled structure of the barrel body (1).

2. The structural design of the inner screw cap for an American barrel according to claim 1 is characterized in that: A straight-shaped rotating handle (4) is provided on the top of the rotating cover (3).

3. The structural design of the inner screw cap for an American barrel according to claim 1 is characterized in that: A cross-shaped rotary handle (5) is provided on the top of the rotary cover (3).

4. The structural design of the inner screw cap for an American barrel according to claim 1 is characterized in that: A U-shaped groove is arranged at the inner peripheral position of the vertical portion of the rotary cover (3), and a plurality of reinforcing plates are arranged in a circular array in the U-shaped groove.

5. The structural design of the inner screw cap for an American barrel according to claim 1 is characterized in that: The top end of the rotary cover (3) is flush with the top end of the annular sleeve (2).

6. The structural design of the inner screw cap for an American barrel according to claim 1 is characterized in that: The length of the thread arc on the inner side of the annular sleeve (2) is less than one circle, and an L-shaped convex strip bent upward by 90 degrees is provided on the inner side of the annular sleeve (2), and the L-shaped convex strip is connected to one end of the thread arc.

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