CN211642904U - High-barrier plastic bottle - Google Patents

Abstract

The utility model relates to a high barrier property plastic bottle, including body and bottle lid, body and bottle lid pass through threaded connection, the body is close to a bottle lid pot head and is equipped with solid fixed ring, gu fixed ring is close to bottle lid one end and has a plurality of spacing archs along its circumference evenly distributed, a plurality of spacing recesses have been seted up along its circumference to bottle lid open end terminal surface, spacing arch is inlayed and is established in spacing recess, the body outer wall is close to bottle lid one end and installs the fixture block that is used for making spacing arch support tight spacing recess. The utility model discloses the better effect of leakproofness has.

Description

A high-barrier plastic bottle

technical field

The utility model relates to the technical field of plastic products, in particular to a high-barrier plastic bottle.

Background technique

Plastic bottles made of polypropylene have been widely used in various packaging fields, such as food and pesticides. In the process of using plastic bottles for storage and transportation, in order to avoid the deterioration problem caused by the entry of pollutants, it is necessary to use a sealing structure to seal the bottle body.

Chinese Patent Publication No. CN206798057U discloses a high-barrier PE plastic bottle, which includes a bottle neck, a bottle shoulder, a bottle body and a bottle bottom, and also includes an inner liner. A cavity is provided between the bottle body and the inner liner. Both the bottle body and the inner liner are PE plastic layers. In order to further increase the barrier property of the plastic bottle, a desiccant is placed in the cavity. The PE plastic bottle with double-layer design can effectively block the water vapor in the air to a certain extent. A desiccant is placed between the two PE material layers, so that the water vapor entering the bottle can be further absorbed, and the moisture absorption effect is remarkable, and the barrier property is better. high.

The above-mentioned prior art scheme has the following defects: the bottle body and the bottle bottom are connected by threads, and if the liquid contained in the bottle produces gas, there is a difference in air pressure inside and outside the bottle, which may cause the bottle body and the bottle bottom to be weakly connected. Air is connected, causing the liquid in the bottle to deteriorate.

Utility model content

Aiming at the deficiencies of the prior art, one of the purposes of the present invention is to provide a high-barrier plastic bottle with better sealing performance.

The above utility model purpose of the present utility model is achieved through the following technical solutions: a high-barrier plastic bottle, comprising a bottle body and a bottle cap, the bottle body and the bottle cap are connected by threads, and the bottle body is close to the bottle cap One end is sleeved with a fixing ring, one end of the fixing ring close to the bottle cap is evenly distributed with several limit protrusions along its circumferential direction, and the end face of the open end of the bottle cap is provided with a number of limit grooves along its circumferential direction. The positioning protrusion is embedded in the limiting groove, and one end of the outer wall of the bottle body close to the bottle cap is installed with a clamping block to make the limiting protrusion abut against the limiting groove.

Through the above technical solution, after the bottle cap is tightened, the bottle cap is pressed against the open end face of the bottle body, and the fixing ring is slid upward until the limit protrusion is embedded in the limit groove, and the limit protrusion is pressed against the limit groove. , the fixing ring is limited by the clamping block at the lower end. After the bottle cap is tightened, the bottle cap is pressed against by the fixing ring and the clamping block, which reduces the probability of the bottle cap being rotated due to air pressure and improves the barrier property of the plastic bottle.

In a preferred example of the present invention, it can be further configured that: the bottle body includes an inner layer and an outer layer that are fixedly connected, the inner layer and the outer layer are arranged at intervals, and the outer layer is close to the side of the fixing ring There is an escape groove connecting the inner wall and the outer wall, the lower end of the clamping block is fixedly connected to the inner wall of the escape groove, and the clamping block includes a movable part embedded in the escape groove and a limit part that is fixedly connected to the end of the movable part away from the inner layer , the upper end of the limiting portion abuts against the lower end surface of the fixing ring.

Through the above technical solution, when limiting the fixing ring, first press the limiting portion to the inner layer side, the limiting portion is embedded between the inner layer and the outer layer, and the fixing ring is slid until the limiting protrusion is embedded in the limiting concave slot state. Before opening the plastic bottle, press the limit part inward, the block is no longer limited, the fixing ring falls due to gravity, and the bottle cap is no longer limited.

In a preferred example of the present invention, it can be further configured that: the lower end of the fixing ring is provided with a clamping groove communicating with the inner and outer walls, and the clamping block is embedded in the clamping groove.

Through the above technical solution, when the clamping block is embedded in the clamping groove, the fixing ring is circumferentially limited by the clamping block, and the fixing ring limits the bottle cap, so the circumferential displacement of the bottle cap is limited and the bottle cap does not rotate.

In a preferred example of the present invention, it can be further configured as follows: the inner wall of the bottle cap is fixedly provided with a sealing ring along its circumferential direction, and the sealing ring abuts on the end face of the opening end of the bottle body.

Through the above technical solution, a sealing ring is arranged at the position where the bottle cap and the bottle body are in contact. When the bottle cap is tightened, the upper and lower ends of the sealing ring are pressed against the bottle cap and the bottle body, which reduces the possibility of air or liquid overflowing in the bottle body, and improves the The tightness of plastic bottles.

In a preferred example of the present invention, it can be further configured that: the bottle body is narrowed at the end.

Through the above technical solution, when the bottle cap is opened, the fixing ring no longer contacts the bottle cap, and will slide off due to gravity. The upper end of the bottle body is small and the lower end is larger. Since the size of the fixing ring is almost the same as the size of the bottle cap, the fixing ring will be stuck on the outer wall of the bottle body when it falls. When installing the fixing ring next time, slide it upward to complete the installation, which is more convenient and avoids losing the fixing ring when not in use.

In a preferred example of the present invention, an abutment plate is fixedly arranged on the inner wall of the bottle cap, the abutment plate is embedded in the bottle body, and the side wall of the abutment plate abuts against the inner wall of the bottle body.

Through the above technical solution, the lower end of the abutting plate is embedded in the bottle body, and the side wall abuts the inner wall of the bottle body, thereby improving the sealing performance. When opening the bottle cap, it is necessary to overcome the friction force between the abutting plate and the inner wall of the bottle body, which reduces the possibility of the bottle cap popping out.

In a preferred example of the present invention, the abutting plate can be further configured such that the abutting plate is inclined and the distance between the abutting plate and the bottle body is gradually increased from the end close to the bottle cap to the end away from the bottle cap.

Through the above technical solution, the distance between the abutting plate and the bottle body gradually increases from the end close to the bottle cap to the end far from the bottle cap, but the side wall of the end of the abutting plate close to the bottle cap is against the inner wall of the bottle body, and has a certain sealing effect. At the same time, when opening the bottle cap, there is no need to overcome too much friction and use tools, which improves the customer experience.

In a preferred example of the present invention, it can be further configured that: the outer wall of the bottle body is fixedly installed with a handle which is convenient for applying force.

Through the above technical solution, a handle is provided on the outer wall of the bottle body, and when taking out the plastic bottle, the handle can be directly exerted force, so as to achieve the effect of facilitating the force application, and at the same time, the user is provided with greater convenience.

In a preferred example of the present invention, it can be further configured that: the outer wall of the bottle cap is provided with anti-skid lines along its circumferential direction.

Through the above technical solution, the bottle cap and the bottle body are threadedly connected, and a tangential force needs to be applied in alignment when the bottle cap is opened. The smooth outer wall is inconvenient to apply force, and the anti-skid pattern is arranged on the side wall of the bottle cap, which increases the friction between the bottle cap and the hand and makes the force application more convenient.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. After the bottle cap is tightened, the bottle cap is pressed tightly by the fixing ring and the clamping block, which reduces the probability of the bottle cap rotating due to air pressure and improves the barrier property of the plastic bottle.

2. The setting of the card block and the card slot limit the circumferential direction of the bottle cap and prevent it from rotating independently.

3. A sealing ring is set at the position where the bottle cap and the bottle body meet, which improves the sealing performance of the plastic bottle.

Description of drawings

Fig. 1 is the first axonometric view of the present embodiment;

Fig. 2 is the sectional view of the present embodiment;

FIG. 3 is an enlarged view at A of FIG. 2 .

In the figure, 10, bottle body; 101, inner layer; 102, outer layer; 11, bottle cap; 12, sealing ring; 13, anti-skid pattern; 14, handle; 20, fixing ring; 21, limit protrusion; 22 , limiting groove; 23, blocking block; 231, movable part; 232, limiting part; 30, avoidance groove; 31, card groove; 32, abutting plate.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 and 2, a high-barrier plastic bottle disclosed by the utility model includes a bottle body 10 and a bottle cap 11, the bottle body 10 and the bottle cap 11 are connected by threads, and the upper end of the bottle body 10 is in a constricted shape, The lower end of the bottle body 10 is a cylinder and is connected with the big end. The bottle body 10 includes an inner layer 101 and an outer layer 102 whose upper ends are fixedly connected, and the inner layer 101 and the outer layer 102 are arranged at intervals. The inner wall of the bottle cap 11 is fixedly provided with a sealing ring 12 along its circumferential direction. The outer wall of the bottle cap 11 is provided with anti-skid lines 13 , and the anti-skid lines 13 are arranged in the vertical direction and are distributed along the circumferential direction thereof. A handle 14 is fixedly installed on the outer wall of the bottle body 10 , the handle 14 is U-shaped, and the open ends of the handle 14 are fixedly connected to the outer layer 102 .

Specifically, referring to FIG. 2 and FIG. 3 , a fixing ring 20 is sleeved on one end of the bottle body 10 close to the bottle cap 11 . The fixing ring 20 has the same size as the bottle cap 11 . A plurality of limiting protrusions 21 are provided, and a plurality of limiting grooves 22 are formed on the open end face of the bottle cap 11 along its circumferential direction. The limiting grooves 22 communicate with the inner and outer walls of the bottle cap 11 . The limit protrusion 21 is embedded in the limit groove 22, and the shape of the limit protrusion 21 and the limit groove 22 are matched. The clamping blocks 23 of the tight limiting groove 22 are arranged symmetrically along the circumferential direction of the bottle body 10 .

After tightening the bottle cap 11, move the fixing ring 20 up until the limiting protrusion 21 is embedded in the limiting groove 22, the locking block 23 limits the position of the fixing ring 20, and the limiting protrusion 21 is stuck in the limiting groove 22, the fixing ring 20 limits the position of the bottle cap 11, reducing the possibility of the bottle cap 11 rotating independently.

Specifically, referring to FIG. 3 , the side of the outer layer 102 close to the fixing ring 20 is provided with an escape groove 30 connecting the inner wall and the outer wall, and the clamping block 23 is embedded in the escape groove 30 . The clamping block 23 includes a movable portion 231 and a limiting portion 232 . The lower end of the movable portion 231 is fixedly connected to the lower end of the inner wall of the escape groove 30 , and the limiting portion 232 protrudes from the surface of the bottle body 10 . The lower end of the fixing ring 20 is provided with a clamping groove 31 which communicates with the inner and outer walls. Two clamping grooves 31 are symmetrically arranged along the circumferential direction of the fixing ring 20. The limiting portion 232 is embedded in the clamping groove 31. Clearly fit, and the upper end of the limiting portion 232 abuts against the inner wall of the clamping slot 31 .

When the fixing ring 20 limits the bottle cap 11 , the limiting portion 232 is embedded in the locking groove 31 of the fixing ring 20 to limit the circumferential displacement of the fixing ring 20 twice. At the same time, the upper end of the limiting portion 232 is pressed against the clamping groove 31, and the fixing ring 20 is pushed upward, so that the fixing ring 20 is pressed against the bottle cap 11, and the limiting protrusion 21 of the fixing ring 20 is embedded in the limiting groove 22 of the bottle cap 11. Therefore, neither the fixing ring 20 nor the bottle cap 11 can rotate autonomously.

Specifically, referring to FIG. 3 , an abutment plate 32 is fixed coaxially on the inner wall of the bottle cap 11 , and the lower end of the abutment plate 32 is embedded in the bottle body 10 . The side wall of the abutting plate 32 is inclined and the distance between the abutting plate 32 and the bottle body 10 is gradually increased from the end close to the bottle cap 11 to the end far from the bottle cap 11 , and the upper end side wall of the abutting plate 32 is against the bottle body 10 inner wall.

When the bottle cap 11 is tightened, the abutting plate 32 faces downward relative to the bottle body 10 until the abutting plate 32 is completely embedded in the bottle body 10 . The upper end side wall of the abutting plate 32 is pressed against the inner wall of the bottle body 10 to seal the inside of the bottle body 10, thereby increasing the barrier property of the plastic bottle.

The implementation principle of this embodiment is as follows: when the bottle cap 11 is tightened, the abutment plate 32 faces downward relative to the bottle body 10 until the abutment plate 32 is completely embedded in the bottle body 10 . The upper end sidewall of the abutting plate 32 is pressed against the inner wall of the bottle body 10, and the sealing ring 12 is pressed against the open end face of the bottle body 10 to seal the inside of the bottle body 10, thereby increasing the barrier property of the plastic bottle.

After tightening the bottle cap 11, move the fixing ring 20 up until the limiting protrusion 21 is embedded in the limiting groove 22, the locking block 23 limits the position of the fixing ring 20, and the limiting protrusion 21 is stuck in the limiting groove 22, the fixing ring 20 limits the position of the bottle cap 11. When the fixing ring 20 is pressed against the bottle cap 11 , the limiting portion 232 is embedded in the locking groove 31 of the fixing ring 20 to limit the circumferential displacement of the fixing ring 20 for a second time. At the same time, the upper end of the limiting portion 232 is pressed against the clamping groove 31, and the fixing ring 20 is pushed upward, so that the fixing ring 20 is pressed against the bottle cap 11, and the limiting protrusion 21 of the fixing ring 20 is embedded in the limiting groove 22 of the bottle cap 11. Therefore, neither the fixing ring 20 nor the bottle cap 11 can rotate autonomously.

When the bottle is opened, an inward thrust is applied to the limiting portions 232 on both sides, and the limiting portions 232 are no longer embedded in the slot 31 . After the fixing ring 20 loses its position, the limiting protrusion 21 is no longer clamped in the limiting groove 22 , and the fixing ring 20 falls down until it is stuck on the outer wall of the bottle body 10 . A circumferential force is applied to the bottle cap 11, and the bottle cap 11 is unscrewed.

The embodiments of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention, therefore: all equivalent changes made according to the structure, shape and principle of the present invention are It should be covered within the protection scope of the present invention.

Claims (9)

1. A high-barrier plastic bottle, comprising a bottle body (10) and a bottle cap (11), the bottle body (10) and the bottle cap (11) being connected by threads, characterized in that: the bottle body (10) ) close to the bottle cap (11) is sleeved with a fixing ring (20), and one end of the fixing ring (20) close to the bottle cap (11) is evenly distributed along its circumferential direction with several limit protrusions (21), the bottle The opening end face of the cover (11) is provided with several limiting grooves (22) along its circumferential direction, the limiting protrusions (21) are embedded in the limiting grooves (22), and the bottle body (10) A clamping block (23) is installed on one end of the outer wall near the bottle cap (11) to make the limiting protrusion (21) abut against the limiting groove (22). 2. A high-barrier plastic bottle according to claim 1, characterized in that: the bottle body (10) comprises an inner layer (101) and an outer layer (102) that are fixedly connected, and the inner layer (101) ) and the outer layer (102) are arranged at intervals, the outer layer (102) is provided with an escape groove (30) connecting the inner wall and the outer wall on one side of the outer layer (102) close to the fixing ring (20), and the lower end of the clamping block (23) is fixed Connected to the inner wall of the avoidance groove (30), the block (23) includes a movable part (231) embedded in the escape groove (30) and a limiter fixedly connected to the end of the movable part (231) away from the inner layer (101). A positioning portion (232), the upper end of the limiting portion (232) abuts against the lower end surface of the fixing ring (20). 3 . The high-barrier plastic bottle according to claim 1 , wherein the lower end of the fixing ring ( 20 ) is provided with a clamping groove ( 31 ) that communicates with the inner and outer walls, and the clamping block ( 23 ) is embedded in 3 . in the card slot (31). 4. A high-barrier plastic bottle according to claim 1, characterized in that: a sealing ring (12) is fixed on the inner wall of the bottle cap (11) along its circumferential direction, and the sealing ring (12) abuts against the bottle The end face of the open end of the body (10). 5 . The high-barrier plastic bottle according to claim 1 , wherein the upper end of the bottle body ( 10 ) is constricted. 6 . 6. A high-barrier plastic bottle according to claim 1, characterized in that: an abutment plate (32) is fixed on the inner wall of the bottle cap (11), and the abutment plate (32) is embedded in the bottle body (10), and the side wall of the abutting plate (32) abuts the inner wall of the bottle body (10). 7 . The high-barrier plastic bottle according to claim 6 , wherein the abutting plate ( 32 ) is arranged obliquely, and the distance between the abutting plate ( 32 ) and the bottle body ( 10 ) is 7 . Gradually increase from the end close to the bottle cap (11) to the end away from the bottle cap (11). 8 . The high-barrier plastic bottle according to claim 1 , wherein a handle ( 14 ) that is convenient for applying force is fixedly installed on the outer wall of the bottle body ( 10 ). 9 . 9 . The high-barrier plastic bottle according to claim 1 , wherein the outer wall of the bottle cap ( 11 ) is provided with anti-skid patterns ( 13 ) along its circumference. 10 .

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