Bidirectional bottleneck connector

Abstract

The utility model relates to a bidirectional bottleneck connector, which is characterized in that two ends of a middle ring are respectively embedded into an upper inner cover and a lower inner cover, the upper inner cover is in threaded connection with an upper bottleneck connector for connection or separation, the lower inner cover is in threaded connection with a lower bottleneck connector for connection or separation, the upper bottleneck connector is embedded into an upper bottle body, and the lower bottleneck connector is embedded into a lower bottle body for connection or separation. The upper bottle body is provided with an upper bottle opening connector, the lower bottle opening connector is embedded into the lower bottle body, a bottle opening of the upper bottle body is opposite to a bottle opening of the lower bottle body, the upper inner cover is provided with an upper inner cover stopping structure, the upper inner cover and the upper bottle opening connector are mutually stopped through the upper inner cover stopping structure and are axially prevented from falling off, and the lower inner cover is provided with a lower inner cover stopping structure. And the lower inner cover stopping structure and the lower bottle opening connector are mutually stopped and axially prevented from falling off. Anti-counterfeiting of the packaging bottle is achieved, and a counterfeiter can be prevented from using a special tool to damage the inner sleeve so that the bottle cap assembly can be separated from the bottle body.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bidirectional bottle mouth connector. BACKGROUND

[0002] At present, the packaging bottle is very widely used in the packaging of food, wine, beverage and medicine products. Especially in wine, beverage and medicine products, the packaging bottle can be said to be the largest one kind of packaging. In recent years, with the continuous improvement of people's living standard and consumption level, in addition to realizing the basic packaging function, the packaging bottle has become a symbol of some commodity grades, and even has constituted one of the selling points of the commodity. The unique and characteristic packaging of the commodity can undoubtedly stimulate the purchasing desire of the consumers, and has stronger competitiveness in the market.

[0003] In addition to bringing economic benefits to the manufacturers and distributors, the best-selling commodity inevitably leads to some irregular and fake and inferior product manufacturing phenomenon, and the first step of counterfeiting is packaging, and this problem is particularly prominent in wine products. INVENTION CONTENTS

[0004] The utility model provides a wine bottle with bidirectional bottle mouth connector, can good realization the anti -fake of packaging bottle, but in order to prevent the counterfeiter to use special tool to damage the inner cover to make the bottle cap assembly and bottle body separate.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme of:

[0006] A bidirectional bottle mouth connector, characterized in that: the two ends of the middle ring are embedded in the upper inner cover and the lower inner cover, the upper inner cover is threadedly connected with the upper bottle mouth connector for connection or separation, the lower inner cover is threadedly connected with the lower bottle mouth connector for connection or separation, the upper bottle mouth connector is embedded in the upper bottle body, the lower bottle mouth connector is embedded in the lower bottle body, and the bottle mouths of the upper bottle body and the lower bottle body are opposite.

[0007] The upper inner cover is provided with an upper inner cover stop structure, the upper inner cover is stopped by the upper inner cover stop structure and the upper bottle mouth connector, and is prevented from being separated axially.

[0008] The lower inner cover is provided with a lower inner cover stop structure, and the lower inner cover stop structure is also stopped by the lower bottle mouth connector, and is prevented from being separated axially.

[0009] The bidirectional bottle mouth connector, wherein: the middle ring is provided with a middle ring upper protrusion and a middle ring lower protrusion respectively in the middle ring, and a first rotation stopping structure and a second rotation stopping structure are also provided in the middle ring.

[0010] The outer wall of the upper inner cover is respectively provided with an upper inner cover rotation stopping structure and an upper inner cover groove, the first rotation stopping structure is assembled with the upper inner cover rotation stopping structure to prevent relative rotation between the upper inner cover and the middle ring, the upper convex of the middle ring is embedded and fixed in the upper inner cover groove, and the inner wall of the upper inner cover is provided with an upper inner cover thread.

[0011] The outer wall of the lower inner cover is respectively provided with a lower inner cover rotation stopping structure and a lower inner cover groove, the second rotation stopping structure is assembled with the lower inner cover rotation stopping structure to prevent relative rotation between the lower inner cover and the middle ring, the lower convex of the middle ring is embedded and fixed in the lower inner cover groove, and the inner wall of the lower inner cover is provided with a lower inner cover thread.

[0012] The bidirectional bottle mouth connector, wherein: the upper bottle mouth connector is sequentially and clampingly connected by an upper bottle nozzle cover, an upper connecting cover and an upper outer cover, and is combined into an integrated whole, wherein the upper connecting cover is threadedly connected with the upper inner cover for connection or separation;

[0013] The narrow port end of the upper outer cover is provided with an upper outer cover stopping part, the upper inner cover stopping structure and the upper outer cover stopping part stop each other and prevent axial disengagement, and the upper outer cover is respectively provided with an upper outer cover rotation stopping structure and an upper outer cover convex.

[0014] The outer wall of the upper connecting cover is respectively provided with an upper connecting cover thread and an upper connecting cover outer rotation stopping structure, the upper connecting cover outer rotation stopping structure is assembled with the upper outer cover rotation stopping structure to prevent relative rotation between the upper connecting cover and the upper outer cover, and the inner wall of the upper connecting cover is respectively provided with an upper connecting cover inner rotation stopping structure and an upper connecting cover convex.

[0015] The outer wall of the upper bottle nozzle cover is respectively provided with an upper bottle nozzle cover outer rotation stopping structure and an upper bottle nozzle cover groove, the upper bottle nozzle cover outer rotation stopping structure is assembled with the upper connecting cover inner rotation stopping structure to prevent relative rotation between the upper bottle nozzle cover and the upper connecting cover, the upper connecting cover convex is embedded and fixed in the upper bottle nozzle cover groove, the inner wall of the upper bottle nozzle cover is respectively provided with an upper bottle nozzle cover convex and an upper bottle nozzle cover inner rotation stopping structure, the upper bottle nozzle cover convex is embedded and fixed in the bottle port groove of the upper bottle body, and the upper bottle nozzle cover inner rotation stopping structure is matched with the bottle port of the upper bottle body to prevent relative rotation between the upper bottle nozzle cover and the upper bottle body.

[0016] The bidirectional bottle mouth connector, wherein: the upper bottle mouth connector is sequentially and clampingly connected by an upper bottle nozzle cover, an upper connecting cover and an upper outer cover, and is combined into an integrated whole, wherein the upper connecting cover is threadedly connected with the upper inner cover for connection or separation;

[0017] The narrow port end of the lower outer cover is provided with a lower outer cover stopping part, the lower inner cover stopping structure and the lower outer cover stopping part stop each other and prevent axial disengagement, and the lower outer cover is respectively provided with a lower outer cover rotation stopping structure and a lower outer cover convex.

[0018] The outer wall of the lower connecting cover is respectively provided with a lower connecting cover thread and a lower connecting cover outer rotation-stopping structure, the lower connecting cover outer rotation-stopping structure is assembled with the lower outer cover rotation-stopping structure, the relative rotation between the lower connecting cover and the lower outer cover is prevented, and the inner wall of the lower connecting cover is respectively provided with a lower connecting cover inner rotation-stopping structure and a lower connecting cover protrusion.

[0019] The outer wall of the lower bottle nozzle cover is respectively provided with a lower bottle nozzle cover outer rotation-stopping structure and a lower bottle nozzle cover groove, the lower bottle nozzle cover outer rotation-stopping structure is matched with the lower connecting cover inner rotation-stopping structure, the relative rotation between the lower bottle nozzle cover and the lower connecting cover is prevented, the lower connecting cover protrusion is embedded and fixed in the lower bottle nozzle cover groove, the inner wall of the lower bottle nozzle cover is respectively provided with a lower bottle nozzle cover protrusion and a lower bottle nozzle cover inner rotation-stopping structure, the lower bottle nozzle cover protrusion is embedded and fixed in the bottle mouth groove of the lower bottle body, and the lower bottle nozzle cover inner rotation-stopping structure is matched with the bottle mouth of the lower bottle body, so that the relative rotation between the lower bottle nozzle cover and the lower bottle body is prevented.

[0020] The bidirectional bottle mouth connector, wherein: the bottle mouth of the upper bottle body is embedded with an upper large inner plug, the upper large inner plug is embedded with an upper middle inner plug, and the upper middle inner plug is embedded with an upper small inner plug, so as to be sealed.

[0021] The bidirectional bottle mouth connector, wherein: the bottle mouth of the lower bottle body is embedded with a lower large inner plug, and the lower large inner plug is embedded with a lower small inner plug, so as to be sealed.

[0022] The wine bottle with the bidirectional bottle mouth connector has the advantages that the anti-fake function of the packaging bottle can be well realized, and the inner sleeve cannot be damaged by a special tool to separate the bottle cap assembly and the bottle body. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is an exploded structure diagram of the wine bottle with the bidirectional bottle mouth connector.

[0024] Figure 2 It is a sectional structure diagram of the bidirectional bottle mouth connector.

[0025] Figure 3 It is a middle ring structure diagram.

[0026] Figure 4 It is an upper outer cover structure diagram.

[0027] Figure 5 It is an upper inner cover structure diagram.

[0028] Figure 6 It is an upper connecting cover structure diagram.

[0029] Figure 7 It is an upper bottle nozzle cover structure diagram.

[0030] Figure 8 is an exploded view of the upper large inner plug, upper middle inner plug and upper small inner plug.

[0031] Figure 9 is a lower outer cap structure view.

[0032] Figure 10 is a lower inner cap structure view.

[0033] Figure 11 is a lower connecting cap structure view.

[0034] Figure 12 is a lower bottle nozzle cap structure view.

[0035] Figure 13 is an exploded view of the lower large inner plug and lower small inner plug.

[0036] BRIEF DESCRIPTION OF DRAWINGS 1 - middle ring; 101 - upper protrusion of middle ring; 102 - lower protrusion of middle ring; 103 - first anti-rotation structure; 104 - second anti-rotation structure; 2 - upper outer cap; 201 - upper outer cap stop; 202 - upper outer cap anti-rotation structure; 203 - upper outer cap protrusion; 3 - upper inner cap; 301 - upper inner cap stop structure; 302 - upper inner cap anti-rotation structure; 303 - upper inner cap thread; 304 - upper inner cap groove; 4 - upper connecting cap; 401 - upper connecting cap thread; 402 - upper connecting cap outer anti-rotation structure; 403 - upper connecting cap inner anti-rotation structure; 404 - upper connecting cap protrusion; 5 - upper bottle nozzle cap; 501 - upper bottle nozzle cap outer anti-rotation structure; 502 - upper bottle nozzle cap protrusion; 503 - upper bottle nozzle cap inner anti-rotation structure; 504 - upper bottle nozzle cap groove; 6 - upper large inner plug; 7 - upper middle inner plug; 8 - upper small inner plug; 9 - lower outer cap; 901 - lower outer cap stop; 902 - lower outer cap anti-rotation structure; 903 - lower outer cap protrusion; 10 - lower inner cap; 1001 - lower inner cap stop structure; 1002 - lower inner cap anti-rotation structure; 1003 - lower inner cap thread; 1004 - lower inner cap groove; 11 - lower connecting cap; 1101 - lower connecting cap thread; 1102 - lower connecting cap outer anti-rotation structure; 1103 - lower connecting cap inner anti-rotation structure; 1104 - lower connecting cap protrusion; 12 - lower bottle nozzle cap; 1201 - lower bottle nozzle cap outer anti-rotation structure; 1202 - lower bottle nozzle cap protrusion; 1203 - lower bottle nozzle cap inner anti-rotation structure; 1204 - lower bottle nozzle cap groove; 13 - lower small inner plug; 14 - lower large inner plug; 15 - lower bottle body; 16 - upper bottle body. DETAILED DESCRIPTION

[0037] As Figures 1 to 13The bidirectional bottle mouth connector is shown. The middle ring 1 is embedded in the upper inner cover 3 and the lower inner cover 10 at both ends, respectively. The upper inner cover 3 is threadedly connected with the upper bottle mouth connector for connection or separation. The lower inner cover 10 is threadedly connected with the lower bottle mouth connector for connection or separation. The upper bottle mouth connector is embedded in the upper bottle body 16. The lower bottle mouth connector is embedded in the lower bottle body 15. The bottle mouths of the upper bottle body 16 and the lower bottle body 15 are opposite to each other. The upper bottle mouth is embedded with the upper large inner plug 6. The upper large inner plug 6 is embedded with the upper middle inner plug 7. The upper middle inner plug 7 is embedded with the upper small inner plug 8 for sealing. The lower bottle mouth is embedded with the lower large inner plug 14. The lower large inner plug 14 is embedded with the lower small inner plug 13 for sealing.

[0038] The upper inner cover 3 is provided with the upper inner cover stop structure 301. The upper inner cover 3 and the upper bottle mouth connector are interlocked by the upper inner cover stop structure 301 and are axially prevented from being separated. The lower inner cover 10 is provided with the lower inner cover stop structure 1001. The lower inner cover stop structure 1001 and the lower bottle mouth connector are also interlocked and are axially prevented from being separated.

[0039] The middle ring 1 is provided with the middle ring upper protrusion 101 and the middle ring lower protrusion 102, respectively. The middle ring 1 is also provided with the first rotation stopping structure 103 and the second rotation stopping structure 104, respectively.

[0040] The outer wall of the upper inner cover 3 is provided with the upper inner cover rotation stopping structure 302 and the upper inner cover groove 304, respectively. The first rotation stopping structure 103 and the upper inner cover rotation stopping structure 302 are assembled to prevent the relative rotation between the upper inner cover 3 and the middle ring 1. The middle ring upper protrusion 101 is embedded and fixed in the upper inner cover groove 304. The inner wall of the upper inner cover 3 is provided with the upper inner cover thread 303.

[0041] The outer wall of the lower inner cover 10 is provided with the lower inner cover rotation stopping structure 1002 and the lower inner cover groove 1004, respectively. The second rotation stopping structure 104 and the lower inner cover rotation stopping structure 1002 are assembled to prevent the relative rotation between the lower inner cover 10 and the middle ring 1. The middle ring lower protrusion 102 is embedded and fixed in the lower inner cover groove 1004. The inner wall of the lower inner cover 10 is provided with the lower inner cover thread 1003.

[0042] The upper bottle mouth connector is connected by the upper bottle nozzle cover 5, the upper connecting cover 4 and the upper outer cover 2 in sequence to form an integrated body. The upper connecting cover 4 and the upper inner cover 3 are threadedly connected for connection or separation.

[0043] The narrow end of the upper outer cover 2 is provided with the upper outer cover stop part 201. The upper outer cover stop part 201 and the upper inner cover stop structure 301 are interlocked and are axially prevented from being separated. The upper outer cover 2 is provided with the upper outer cover rotation stopping structure 202 and the upper outer cover protrusion 203, respectively.

[0044] The outer wall of the upper connecting cover 4 is respectively provided with an upper connecting cover thread 401 and an upper connecting cover outer rotation stopping structure 402, which is matched with the upper outer cover rotation stopping structure 202 to prevent relative rotation between the upper connecting cover 4 and the upper outer cover 2. The inner wall of the upper connecting cover 4 is respectively provided with an upper connecting cover inner rotation stopping structure 403 and an upper connecting cover protrusion 404.

[0045] The outer wall of the upper bottle mouth cover 5 is respectively provided with an upper bottle mouth cover outer rotation stopping structure 501 and an upper bottle mouth cover groove 504, which is matched with the upper connecting cover inner rotation stopping structure 403 to prevent relative rotation between the upper bottle mouth cover 5 and the upper connecting cover 4. The upper connecting cover protrusion 404 is embedded and fixed in the upper bottle mouth cover groove 504. The inner wall of the upper bottle mouth cover 5 is respectively provided with an upper bottle mouth cover protrusion 502 and an upper bottle mouth cover inner rotation stopping structure 503. The upper bottle mouth cover protrusion 502 is embedded and fixed in the bottle mouth groove of the upper bottle body 16. The upper bottle mouth cover inner rotation stopping structure 503 is matched with the bottle mouth of the upper bottle body 16 to prevent relative rotation between the upper bottle mouth cover 5 and the upper bottle body 16.

[0046] The upper bottle body 16 is rotated to drive the upper bottle mouth cover 5, the upper connecting cover 4 and the upper outer cover 2 to rotate and move axially upward. The upper inner cover 3 is subjected to an external upward force. The upper inner cover stopping structure 301 is pulled out of the upper outer cover stopping portion 201, so that the upper inner cover 3 is separated from the upper outer cover 2. The upper inner cover 3 is separated from the upper connecting cover 4 by thread. After the upper small inner plug 8 is pulled out, the wine head contained in the upper bottle body 16 can be poured into the lower bottle body 15 for mixing. The upper connecting cover 4 and the upper inner cover 3 are fixed by thread again. At this time, the upper inner cover stopping structure 301 cannot be pressed into the upper outer cover stopping portion 201, and thus cannot be restored to the initial state, so that the counterfeiters cannot reuse it.

[0047] The lower bottle mouth connector is connected by the lower bottle mouth cover 12, the lower connecting cover 11 and the lower outer cover 9 in sequence, and is combined into an integrated body. The lower connecting cover 11 is connected with the lower inner cover 10 by thread, so as to be connected or separated.

[0048] The narrow end of the lower outer cover 9 is provided with a lower outer cover stopping portion 901. The lower inner cover stopping structure 1001 and the lower outer cover stopping portion 901 stop each other and prevent axial disengagement. The lower outer cover 9 is respectively provided with a lower outer cover rotation stopping structure 902 and a lower outer cover protrusion 903.

[0049] The outer wall of the lower connecting cover 11 is respectively provided with a lower connecting cover thread 1101 and a lower connecting cover outer rotation stopping structure 1102, the lower connecting cover outer rotation stopping structure 1102 is assembled with the lower outer cover rotation stopping structure 902, and relative rotation between the lower connecting cover 11 and the lower outer cover 9 is prevented, and the inner wall of the lower connecting cover 11 is respectively provided with a lower connecting cover inner rotation stopping structure 1103 and a lower connecting cover protrusion 1104.

[0050] The outer wall of the lower bottle mouth cover 12 is respectively provided with a lower bottle mouth cover outer rotation stopping structure 1201 and a lower bottle mouth cover groove 1204, the lower bottle mouth cover outer rotation stopping structure 1201 is matched with the lower connecting cover inner rotation stopping structure 1103, and relative rotation between the lower bottle mouth cover 12 and the lower connecting cover 11 is prevented, the lower connecting cover protrusion 1104 is embedded and fixed in the lower bottle mouth cover groove 1204, the inner wall of the lower bottle mouth cover 12 is respectively provided with a lower bottle mouth cover protrusion 1202 and a lower bottle mouth cover inner rotation stopping structure 1203, the lower bottle mouth cover protrusion 1202 is embedded and fixed in the bottle mouth groove of the lower bottle body 15, and the lower bottle mouth cover inner rotation stopping structure 1203 is matched with the bottle mouth of the lower bottle body 15, and relative rotation between the lower bottle mouth cover 12 and the lower bottle body 15 is prevented.

[0051] The lower bottle body 15 is rotated, and the lower bottle mouth cover 12, the lower connecting cover 11 and the lower outer cover 9 are rotated and axially moved downwards, the lower inner cover 10 is subjected to an external downward force, the lower inner cover stopping structure 1001 is pulled out from the lower outer cover stopping portion 901, the lower inner cover 10 is separated from the lower outer cover 9, the lower inner cover 10 is also separated from the lower connecting cover 11 through the thread, after the lower small inner plug 13 is pulled out, the wine in the lower bottle body 15 can be poured out, the lower connecting cover 11 and the lower inner cover 10 are fixed through the thread by rotating the lower bottle body 15 again, at this time, the lower inner cover stopping structure 1001 cannot be pressed into the lower outer cover stopping portion 901, and further cannot be restored to the initial state, so that the purpose that a counterfeiter cannot repeatedly use is achieved.

[0052] The above examples are only illustrative of the present application, and are not used to limit the protection scope of the present application. Those skilled in the art can make simple transformation or replacement on the basis of the above examples without departing from the technical concept of the present application, but still belong to the protection scope of the present application.

Claims

1. A bidirectional vial connector, characterized by: The two ends of the middle ring (1) are respectively embedded in the upper inner cover (3) and the lower inner cover (10), the upper inner cover (3) is threadedly connected with the upper bottle mouth connector for connection or separation, the lower inner cover (10) is threadedly connected with the lower bottle mouth connector for connection or separation, the upper bottle mouth connector is embedded in the upper bottle body (16), and the lower bottle mouth connector is embedded in the lower bottle body (15) for the bottle mouths of the upper bottle body (16) and the lower bottle body (15) to face each other. The upper inner cover (3) is provided with an upper inner cover stop structure (301), the upper inner cover (3) is interlocked with the upper bottle mouth connector through the upper inner cover stop structure (301) and is prevented from being axially separated, and the lower inner cover (10) is provided with a lower inner cover stop structure (1001), the lower inner cover stop structure (1001) is also interlocked with the lower bottle mouth connector and is prevented from being axially separated. The middle ring (1) is respectively provided with a middle ring upper protrusion (101) and a middle ring lower protrusion (102), and is also respectively provided with a first rotation stopping structure (103) and a second rotation stopping structure (104); 2. A bidirectional vial connector as defined in claim 1, wherein: The outer wall of the upper inner cover (3) is respectively provided with an upper inner cover rotation stopping structure (302) and an upper inner cover groove (304), the first rotation stopping structure (103) is assembled with the upper inner cover rotation stopping structure (302) to prevent the upper inner cover (3) from rotating relative to the middle ring (1), the middle ring upper protrusion (101) is embedded and fixed in the upper inner cover groove (304), and the inner wall of the upper inner cover (3) is provided with an upper inner cover thread (303); The outer wall of the lower inner cover (10) is respectively provided with a lower inner cover rotation stopping structure (1002) and a lower inner cover groove (1004), the second rotation stopping structure (104) is assembled with the lower inner cover rotation stopping structure (1002) to prevent the lower inner cover (10) from rotating relative to the middle ring (1), the middle ring lower protrusion (102) is embedded and fixed in the lower inner cover groove (1004), and the inner wall of the lower inner cover (10) is provided with a lower inner cover thread (1003). The upper bottle mouth connector is sequentially clamped and connected by an upper bottle nozzle cover (5), an upper connecting cover (4) and an upper outer cover (2) and is combined into an integrated whole, wherein the upper connecting cover (4) is threadedly connected with the upper inner cover (3) for connection or separation; 3. A bidirectional vial connector as defined in claim 1, wherein: The narrow mouth end of the upper outer cover (2) is provided with an upper outer cover stop portion (201), the upper outer cover stop portion (201) is interlocked with the upper inner cover stop structure (301) and is prevented from being axially separated, and the upper outer cover (2) is respectively provided with an upper outer cover rotation stopping structure (202) and an upper outer cover protrusion (203); The outer wall of the upper connecting cover (4) is respectively provided with an upper connecting cover thread (401) and an upper connecting cover outer rotation stopping structure (402), the upper connecting cover outer rotation stopping structure (402) is assembled with the upper outer cover rotation stopping structure (202) to prevent the upper connecting cover (4) from rotating relative to the upper outer cover (2), the inner wall of the upper connecting cover (4) is respectively provided with an upper connecting cover inner rotation stopping structure (403) and an upper connecting cover protrusion (404). ​ The outer wall of the upper bottle mouth cover (5) is respectively provided with an upper bottle mouth cover outer anti-rotation structure (501) and an upper bottle mouth cover groove (504), the upper bottle mouth cover outer anti-rotation structure (501) is assembled with the upper connecting cover inner anti-rotation structure (403), preventing relative rotation between the upper bottle mouth cover (5) and the upper connecting cover (4), the upper connecting cover protrusion (404) is embedded and fixed in the upper bottle mouth cover groove (504), the inner wall of the upper bottle mouth cover (5) is respectively provided with an upper bottle mouth cover protrusion (502) and an upper bottle mouth cover inner anti-rotation structure (503), the upper bottle mouth cover protrusion (502) is embedded and fixed in the bottle mouth groove of the upper bottle body (16), and the upper bottle mouth cover inner anti-rotation structure (503) is matched with the bottle mouth of the upper bottle body (16), preventing relative rotation between the upper bottle mouth cover (5) and the upper bottle body (16).

4. A bidirectional vial connector as defined in claim 1, wherein: The lower bottle mouth connector is sequentially clamped and connected by a lower bottle mouth cover (12), a lower connecting cover (11) and a lower outer cover (9), and is combined into an integrated body, wherein the lower connecting cover (11) is connected with the lower inner cover (10) through threads, for connection or separation; The narrow port end of the lower outer cover (9) is provided with a lower outer cover stop portion (901), the lower inner cover stop structure (1001) and the lower outer cover stop portion (901) are mutually stopped and axially prevented from being separated, and the lower outer cover (9) is respectively provided with a lower outer cover anti-rotation structure (902) and a lower outer cover protrusion (903) inside; The outer wall of the lower connecting cover (11) is respectively provided with a lower connecting cover thread (1101) and a lower connecting cover outer anti-rotation structure (1102), the lower connecting cover outer anti-rotation structure (1102) is assembled with the lower outer cover anti-rotation structure (902), preventing relative rotation between the lower connecting cover (11) and the lower outer cover (9), and the inner wall of the lower connecting cover (11) is respectively provided with a lower connecting cover inner anti-rotation structure (1103) and a lower connecting cover protrusion (1104); The outer wall of the lower bottle mouth cover (12) is respectively provided with a lower bottle mouth cover outer anti-rotation structure (1201) and a lower bottle mouth cover groove (1204), the lower bottle mouth cover outer anti-rotation structure (1201) is matched with the lower connecting cover inner anti-rotation structure (1103), preventing relative rotation between the lower bottle mouth cover (12) and the lower connecting cover (11), the lower connecting cover protrusion (1104) is embedded and fixed in the lower bottle mouth cover groove (1204), the inner wall of the lower bottle mouth cover (12) is respectively provided with a lower bottle mouth cover protrusion (1202) and a lower bottle mouth cover inner anti-rotation structure (1203), the lower bottle mouth cover protrusion (1202) is embedded and fixed in the bottle mouth groove of the lower bottle body (15), and the lower bottle mouth cover inner anti-rotation structure (1203) is matched with the bottle mouth of the lower bottle body (15), preventing relative rotation between the lower bottle mouth cover (12) and the lower bottle body (15).

5. A bidirectional vial connector as defined in claim 1, wherein: The bottle mouth of the upper bottle body (16) is inserted into an upper large inner plug (6), the upper large inner plug (6) is inserted into an upper middle inner plug (7), and the upper middle inner plug (7) is inserted into an upper small inner plug (8), for sealing.

6. A bidirectional vial connector as defined in claim 1, wherein: A lower bottle body (15) is inserted into a lower large inner plug (14) in the bottle mouth, and the lower large inner plug (14) is inserted into a lower small inner plug (13) for sealing.

Images