CN111396662A - Airtight conversion head and application thereof - Google Patents

Abstract

The invention relates to the technical field of conversion heads, in particular to an airtight conversion head and its application, comprising an outer tube, a conversion head and an inner tube, the outer tube is connected to the inner tube through the conversion head, and the conversion head includes an upper airtight The device, the connecting main body and the lower air-tight device, the upper air-tight device and the lower air-tight device are all arranged in the connecting main body, and the ends of the outer tube and the inner tube connected with the conversion head are respectively provided with the upper air-tight device and the lower air-tight device. The first connector and the second connector are detachably connected by the airtight device. After the first connector is connected with the upper airtight device, the conversion head is conducted, and the conversion head is automatically closed after disassembly. The airtight conversion head provided by the present invention and In its application, the structure is 1-shaped, with smooth circulation, very good air tightness, and very convenient use. It is expected to produce very good economic effects and should be widely used in the market.

Description

A kind of airtight conversion head and its application

technical field

The invention relates to the technical field of conversion heads, in particular to an airtight conversion head and applications thereof.

Background technique

Airtight conversion heads are widely used in various airtight devices, such as various airtight sports bags, buckets and airtight bottles. For example, various airtight waterproof sports bags often put water bags in the bags. An opening is directly opened on the bag body, which causes the bag body to lose its airtightness. The application number is 201811304168.6 A new type of airtight and waterproof mountaineering bag is disclosed, and a new type of airtight and waterproof mountaineering bag is provided, including an inner layer with an airtightness The body body, the carrying system and the drinking water system are made of airtight materials. The connection between the pieces of the body body adopts high-frequency welding, and the body body is provided with an airtight zipper welded with the main structure. The carrying system includes a back strap, a waist belt and a breathable layer, the upper part of the back strap is provided with two webbing belts, the upper part of the main body of the bag is provided with two mesh buckles for overlapping with the webbing, and the back of the main body of the bag is provided with two buckles. The upper end of the body is provided with a lap piece A for lapping the upper part of the backpack system, and the left and right lower ends of the rear part of the body are provided with block lap pieces B for lapping the lower part of the backpack system, and the drinking system includes a conversion head, Two water hose connectors, two water pipes, a drinking bag and a drinking spout. The present invention provides a new type of air-tight and waterproof mountaineering bag, which has good air-tight and waterproof performance, high practicability, strong force bearing capacity and rich functions, but the conversion head in the invention is an inverted L-shape, which often leads to water conduction. It is not smooth, it is difficult to absorb water smoothly during movement and the structure is airtight, there is no automatic closing function and the conversion head cannot be separated from the drinking water pipe. When the drinking water pipe is removed, the conversion head will leak air and cannot be maintained at all. Air tightness.

 Content of the invention

In order to solve the above technical problems, the present invention provides an air-tight conversion head with excellent air-tightness and convenient use and its application.

In order to solve the above technical problems, the present invention provides an airtight conversion head, comprising an outer tube, a conversion head and an inner tube, the outer tube is connected to the inner tube through the conversion head, and the conversion head includes an upper airtight device, a connection The main body and the lower air-tight device, the upper air-tight device and the lower air-tight device are both arranged in the connecting main body, and the ends of the outer tube and the inner tube connected with the conversion head are respectively provided with an upper air-tight device and an outlet and lower air-tight device. The first connector and the second connector are detachably connected to the device. After the first connector is connected to the upper airtight device, the conversion head is connected, and the conversion head is automatically closed after disassembly. Once the outer tube of the connecting piece is inserted into the connecting body, water can be directly drunk and filled.

A further improvement is that: the upper airtight device includes a conduction mechanism, a first limit mechanism and a first connection mechanism, and the first limit structure includes a first limit key and a first limit key. The second spring, the conducting mechanism includes a conducting rod and a first spring sleeved on the conducting rod, the first connecting mechanism is in the shape of a hollow tube, and the upper side of the first connecting mechanism is provided with the first spring. a first limit hole matched with the limit structure, the first limit mechanism is embeddedly connected to the first connection mechanism through the first limit hole, and the conduction mechanism is embedded in the first connection mechanism Inside, when the first connecting piece is inserted into the connecting body, it squeezes the first spring on the conducting rod, so that the conducting mechanism moves downwards, thereby conducting the switching head. When pulled out, the spring returns to close the switching head.

A further improvement is that: the connecting body is a hollow structure, the upper air-tight device and the lower air-tight device are embedded in the connecting body, the outer ring of the connecting body is further provided with a sealing ring, and the sealing The ring and the connecting body are integrally formed, the sealing ring is made of plastic, and the sealing ring is fixed on the bag or barrel, which can further increase the air tightness of the conversion head.

A further improvement is that: the side of the connecting main body is also provided with a plug head, the connecting main body is sleeved with a connecting belt, the plug head is fixed on the connecting main body by the connecting belt, and the connecting belt is an elastic connecting belt. When the first connector is pulled out, the plug can be plugged on the conduction mechanism, which can effectively prevent dust from entering.

A further improvement is: the lower airtight device includes a second limit mechanism and a second connection mechanism, the second limit structure includes a second limit key and a third spring arranged on the second limit key, The second connecting mechanism is in the shape of a hollow tube, the upper side of the second connecting mechanism is provided with a second limiting hole matching with the second limiting mechanism, and the second limiting mechanism is embedded through the second limiting hole connected to the second connecting mechanism.

A further improvement is that: the first connecting piece and the second connecting piece are respectively provided with a first clamping edge and a second clamping edge, and the outer tube and the inner tube respectively pass through the clamping edge of the first clamping edge and the second clamping edge. The connector is detachably connected with the conversion head.

An airtight and waterproof sports bag, comprising a bag body, a water bag arranged inside the bag body, an inner tube connected to the water bag, a conversion head connected to the inner tube, and an outer tube connected to the conversion head, and the sealing ring is attached to the On the bag body, the lower part of the sealing ring and the inner tube are arranged in the bag body, and the upper part of the sealing ring and the outer tube are arranged outside the bag body. When the airtight conversion head of the present invention is applied to a mountaineering bag, the outer tube is inserted when necessary. Drink directly, pull out and plug the plug when not needed, easy to use and excellent air tightness.

A further improvement is that: the water bag is also provided with a first vacuuming port, and also includes a first vacuuming device, the first vacuuming device can evacuate the air in the water bag through the vacuuming port, and when it needs to When the water bag is filled with water, replace the outer tube and insert it into the conduction mechanism, the outer tube is connected to the water source, open the first vacuum device to drain the air in the water bag, and the water will automatically flow into the water bag through the conversion head, avoiding every time It is very convenient to open the water bag and fill it with water.

A water bucket includes a bucket body, an inner tube connected to the bucket body, a conversion head connected to the inner tube, and an outer tube connected to the gas exchange head, the sealing ring is fitted on the bottle cap of the bottle body, and the lower part of the sealing ring The inner tube is set in the bottle body, and the upper part of the sealing ring and the outer tube are set outside the bottle. When necessary, insert the outer tube to drink directly. When not needed, pull out and plug the plug, which is convenient to use and has excellent air tightness.

A further improvement is that: the side wall of the barrel is also provided with a second vacuuming port, and also includes a second vacuuming device, the second vacuuming device When the invented air-tight conversion head is applied to the drinking bucket, when it is necessary to fill the bucket with water, the outer tube is replaced and inserted into the conducting mechanism, the outer tube is connected to the water source, the second vacuum device is opened to drain the air in the bucket, and the water is drained. It will automatically flow into the barrel through the conversion head, avoiding the need to open the barrel every time to fill the water, which is very convenient.

By adopting the above-mentioned technical scheme, the beneficial effects of the present invention are: the air-tight conversion head provided by the present invention and its application, the structure is 1-shaped, the circulation is smooth, the air-tightness is very good, and the use is very convenient, and it is expected to produce Very good economic effect, should be widely used in the market.

Description of drawings

1 is a schematic structural diagram of Embodiment 1 of the present invention;

2 is a structural exploded view of Embodiment 1 of the present invention;

3 is a schematic structural diagram of the conduction mechanism when the first connector is not inserted in the embodiment of the present invention;

4 is a schematic structural diagram of the conduction mechanism when the first connector is inserted in the embodiment of the present invention;

5 is a schematic structural diagram of applying a conversion head to an airtight waterproof sports bag according to Embodiment 2 of the present invention;

FIG. 6 is a schematic structural diagram of applying a conversion head to a water bucket according to Embodiment 3 of the present invention.

In the figure: 1. Outer tube 2, first connector 3, conversion head; 4. Second connector 5, inner tube; 31. Upper airtight device; 32. Connecting body; 33. Lower airtight device; 311, Conduction mechanism; 312, first limit mechanism 313, first connection mechanism 3120, first limit key 3121, second spring 3110, conduction rod 3111, first spring 3130, first limit hole 321, connecting belt 322, plug head 323, sealing ring 331, second limit mechanism 332, second connection mechanism 3310, second limit key 3311, third spring 3320, second limit hole 21, first card edge 41, second The card edge 6, the package body 7, the barrel body 71, and the second vacuum port.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail:

Example 1

As shown in Figures 1-4, an airtight conversion head provided by the present invention includes an outer tube 1, a conversion head 3 and an inner tube 5, the outer tube 1 is connected to the inner tube 5 through the conversion head 3, and the The conversion head 3 includes an upper air-tight device 31 , a connecting body 32 and a lower air-tight device 33 . One end connected to the conversion head 3 is respectively provided with a first connecting piece 2 and a second connecting piece 4 which are detachably connected to the upper airtight device 31 and the lower airtight device 33. The first connecting piece 2 is connected to the upper airtight device. 31 After the connection, the conversion head 3 is turned on, and after disassembly, the conversion head 3 is automatically closed. When drinking water is required, insert the outer tube 1 with the first connector 2 into the connecting body 32, and you can drink water directly. The upper airtight device 31 It includes a conduction mechanism 311, a first limit mechanism 312 and a first connection mechanism 313. The first limit structure 312 includes a first limit key 3120 and a second spring 3121 arranged on the limit key. The connecting mechanism 311 includes a conducting rod 3110 and a first spring 3111 sleeved on the conducting rod 3110. The first connecting mechanism 313 is hollow tubular, and the upper side of the first connecting mechanism 313 is provided with a first limit The first limit hole 3130 with matching position structure, the first limit mechanism 312 is embeddedly connected to the first connection mechanism 313 through the first limit hole 3130, and the conduction mechanism 311 is embedded in the Inside the first connecting mechanism 313, the connecting body 32 is a hollow structure, and the outer ring of the connecting body 32 is also provided with a plastic sealing ring 323. The sealing ring 323 is integrally formed with the connecting body 32 to seal the The ring 323 is made of plastic. Fixing the sealing ring 323 on the bag or barrel can further increase the air tightness of the conversion head. The upper air sealing device 31 and the lower air sealing device 33 are embedded in the connecting body 32 , the side of the connecting body 32 is also provided with a plug head 322, the connecting body 32 is sleeved with a connecting belt 321, the plug head 322 is fixed on the connecting main body 32 through the connecting belt 321, and the connecting belt 321 is elastic For the connection belt, when the first connector 2 is pulled out, the plug 322 can be plugged on the conduction mechanism 311, which can effectively prevent dust from entering. The lower airtight device 33 includes a second limiting mechanism 331 and a second connection Mechanism 332, the second limit structure 331 includes a second limit key 3310 and a third spring 3311 arranged on the second limit key 3310, the second connection mechanism 332 is hollow tubular, the second connection The upper side of the mechanism 332 is provided with a second limiting hole 3320 that matches the second limiting mechanism 331 , and the second limiting mechanism 331 is embeddedly connected to the second connecting mechanism 332 through the second limiting hole 3320 , the first connecting member 2 and the second connecting member 4 are respectively provided with a first clamping edge 21 and a second clamping edge 41, and the outer tube 1 and the inner tube 5 pass through the first clamping edge 21 and the second clamping edge respectively. The snap connection of the side 41 is detachably connected to the conversion head 3

Working principle: when drinking water is required, the first connector 2 connecting the outer tube 1 is inserted into the connecting body 32, and the first spring 3111 on the conducting rod 3110 is squeezed, so that the conducting rod 3110 moves downward, thereby conducting the conversion For head 3, when pulled out, the first spring 3111 resets, the conducting rod 3110 blocks the channel again, thereby closing the conversion head, and then plugs the plug 322, which is very convenient to use.

Embodiment 2

As shown in FIG. 5, an airtight and waterproof sports bag includes a bag body 6, a water bag arranged inside the bag body 6, an inner tube 5 connected with the water bag, a conversion head 3 connecting the inner tube 5, and a connection conversion In the outer tube 1 of the head 3, the sealing ring 323 is attached to the package body 6, the part below the sealing ring 323 and the inner tube 5 are set in the package body, and the part above the sealing ring 323 and the outer tube 1 part are set outside the package body , when the air-tight conversion head 3 of the present invention is applied to a mountaineering bag, the outer tube 1 is inserted when necessary to drink directly, and the plug 322 is pulled out and plugged when not needed. There is also a first vacuum port on the bag, and a first vacuum device. The first vacuum device can evacuate the air in the water bag through the vacuum port. When it is necessary to fill the water bag with water, change it. The outer tube 1 is inserted into the conduction mechanism 311, the outer tube 1 is connected to the water source, and the first vacuum device is turned on to drain the air in the water bag, and the water will automatically flow into the water bag through the conversion head 3, avoiding the need to disassemble the water every time. It is very convenient to pack water in a bag. The first vacuum device is a common small vacuum pump in the market, which is small in size and easy to carry.

Embodiment 3

As shown in FIG. 6 , a water bucket includes a bucket body 7 , an inner tube 5 connected to the bucket body 7 , a conversion head 3 connected to the inner tube 5 , and an outer tube 1 connected to the gas exchange head. The sealing ring 323 is fitted On the bottle cap of the barrel body 7, the part below the sealing ring 323 and the inner pipe 5 are arranged in the barrel body, the part above the sealing ring 323 and the outer pipe 1 part are arranged outside the barrel body, and the airtight conversion head 3 of the present invention is installed on the upper part of the barrel body. When applied to a drinking bucket, insert the outer tube 1 to drink directly when needed, and pull out and plug the plug 322 when not needed. It is easy to use and has excellent air tightness. When you need to fill the bucket 7 with water, change the root The outer tube 1 is inserted into the conduction mechanism 311 , the side wall of the barrel 7 is further provided with a second vacuum port 71 , and also includes a second vacuum device, and the second vacuum device can pass through the second vacuum port 71 The air in the barrel is evacuated, the outer pipe 1 is connected to the water source, and the second vacuum device is turned on to drain the air in the barrel 7, and the water will automatically flow into the barrel through the conversion head 3, avoiding the need to open the barrel every time to fill the water. , very convenient, the second vacuum device is a small vacuum pump common in the market, small in size and easy to carry.

Of course, the conversion head provided by the present invention can also be applied to airtight bottles and various airtight devices, which all fall within the protection scope of the present invention.

The present invention has been described in detail above through specific embodiments, but these are not intended to limit the present invention. Without departing from the principles of the present invention, those skilled in the art can also make many modifications and improvements, which should also be regarded as the protection scope of the present invention.

Claims (10)

1. an airtight conversion head, comprising an outer pipe, a conversion head and an inner pipe, the outer pipe is connected to the inner pipe by the conversion head, it is characterized in that: the conversion head comprises an upper airtight device, a connection main body and a lower air Airtight device, the upper airtight device and the lower airtight device are all set in the connecting body, and the ends of the outer tube and the inner tube connected to the conversion head are respectively provided with the upper airtight device and the lower airtight device. Removable connection with the device The first connecting piece and the second connecting piece are connected to the upper air-tight device, and the conversion head is connected, and the conversion head is automatically closed after disassembly. 2 . The air-tight conversion head according to claim 1 , wherein the upper air-tight device comprises a conducting mechanism, a first limiting mechanism and a first connecting mechanism, and the first limiting structure comprises 2 . A first limit key and a second spring arranged on the first limit key, the conducting mechanism includes a conducting rod and a first spring sleeved on the conducting rod, and the first connecting mechanism is a hollow tubular shape , the upper side of the first connecting mechanism is provided with a first limiting hole matching the first limiting structure, and the first limiting mechanism is embedded and connected to the first connecting mechanism through the first limiting hole , the conducting mechanism is embedded in the interior of the first connecting mechanism. 3 . The air-tight conversion head according to claim 2 , wherein the connecting body is a hollow structure, and the upper air-tight device and the lower air-tight device are embedded in the connecting body, so that the The outer ring of the connecting body is further provided with a sealing ring, and the sealing ring and the connecting body are integrally formed. 4 . The airtight conversion head according to claim 3 , wherein a plug head is further provided on the side of the connecting body, a connecting belt is sleeved on the connecting main body, and the plug head passes through the connecting belt. 5 . On the fixed connection main body, the connecting belt is an elastic connecting belt. 5 . The airtight conversion head according to claim 1 , wherein the lower airtight device comprises a second limiting mechanism and a second connecting mechanism, and the second limiting structure includes a second limiting mechanism 6 . key and a third spring arranged on the second limit key, the second connection mechanism is hollow tubular, and the upper side of the second connection mechanism is provided with a second limit hole matching the second limit mechanism and the second limiting mechanism is embeddedly connected to the second connecting mechanism through the second limiting hole. 6. An air-tight conversion head according to claims 1-5, wherein the first connecting piece and the second connecting piece are respectively provided with a first clamping edge and a second clamping edge, and the outer The pipe and the inner pipe are detachably connected to the conversion head through the clamping of the first clamping edge and the second clamping edge respectively. 7. An airtight and waterproof sports bag, characterized in that: it comprises a bag body, a water bag arranged inside the bag body, an inner tube connected with the water bag, and the airtightness according to claims 1-6 connected to the inner tube. The conversion head and the outer tube connected to the airtight conversion head, the sealing ring is attached to the package body, the lower part of the sealing ring and the inner tube are arranged in the package body, and the upper part of the sealing ring and the outer tube are arranged outside the package body. 8 . The airtight and waterproof sports bag according to claim 7 , wherein the water bag is further provided with a first vacuuming port and a first vacuuming device, the first vacuuming device The air in the water bag can be evacuated through the vacuum port. 9. A water bucket, characterized in that: comprising a bucket body, an inner pipe connecting the bucket body, the airtight conversion head according to claims 1-6 connected to the inner pipe, and an outer pipe connecting the airtight conversion head, the said The sealing ring is fitted on the bottle cap of the bottle body, the lower part of the sealing ring and the inner tube are arranged in the bottle body, and the upper part of the sealing ring and the outer tube are arranged outside the bottle body. 10. A water bucket according to claim 9, characterized in that: the side wall of the bucket body is further provided with a second vacuuming port, and also comprises a second vacuuming device, and the second vacuuming device can pass through The vacuum port evacuates the air in the barrel.

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