阅读说明：本技术 一种热水瓶塞的辅助紧固机构 (Auxiliary fastening mechanism of thermos bottle plug ) 是由 查贵明 于 2021-09-22 设计创作，主要内容包括：本发明涉及生活用品技术领域,且公开了一种热水瓶塞的辅助紧固机构,包括塞体,塞体内腔的中部开设有调节腔,塞体的中部活动套接有拉杆,拉杆的中部开设有通气槽,调节腔的下端活动套接有位于拉杆下端外侧的辅助块,辅助块的下端固定连接有调节块,调节块的中部开设有将通气槽和塞体下方连通的吸气槽。本发明通过设置自动增压机构,使得在热水瓶内逐渐冷却,导致内部气压快速减小,使瓶塞被吸附在瓶口处时,在负压以及滚珠将通气槽下端堵住的作用下,使得拉杆向下移动,并在顶杆将滚珠向上顶起后,通气槽将瓶内腔与外界连通,使得外界空气能快速流至瓶内进行增压,从而避免了由于瓶内气压较小,导致瓶塞无法拔出的情况发生。(The invention relates to the technical field of articles for daily use and discloses an auxiliary fastening mechanism of a thermos bottle plug, which comprises a plug body, wherein an adjusting cavity is formed in the middle of an inner cavity of the plug body, a pull rod is movably sleeved in the middle of the plug body, a vent groove is formed in the middle of the pull rod, an auxiliary block positioned on the outer side of the lower end of the pull rod is movably sleeved at the lower end of the adjusting cavity, an adjusting block is fixedly connected to the lower end of the auxiliary block, and an air suction groove which is used for communicating the vent groove with the lower part of the plug body is formed in the middle of the adjusting block. According to the invention, the automatic pressurization mechanism is arranged, so that the thermos bottle is gradually cooled to cause the internal air pressure to be rapidly reduced, when the bottle plug is adsorbed at the bottle mouth, the pull rod is moved downwards under the action that the lower end of the vent groove is blocked by the negative pressure and the ball, and after the ball is jacked upwards by the ejector rod, the vent groove communicates the inner cavity of the bottle with the outside, so that the external air can rapidly flow into the bottle for pressurization, and the situation that the bottle plug cannot be pulled out due to the small air pressure in the bottle is avoided.)

1. The utility model provides a supplementary fastening device of thermos bottle plug, includes cock body (1), its characterized in that: the middle part of the inner cavity of the plug body (1) is provided with an adjusting cavity (2), the middle part of the plug body (1) is movably sleeved with a pull rod (4), the middle part of the pull rod (4) is provided with a vent groove (6), the lower end of the adjusting cavity (2) is movably sleeved with an auxiliary block (7) positioned on the outer side of the lower end of the pull rod (4), the lower end of the auxiliary block (7) is fixedly connected with an adjusting block (8), the middle part of the adjusting block (8) is provided with a suction groove (10) communicating the vent groove (6) with the lower part of the plug body (1), the middle part of the auxiliary block (7) is fixedly connected with a push rod (12) positioned below the vent groove (6), the lower end of the pull rod (4) is fixedly connected with a limiting block (13) positioned in the middle part of the vent groove (6), the number of the limiting blocks (13) is two, and the middle part of the vent groove (6) is movably placed with a ball (11) positioned between the two limiting blocks (13), the lower end of the pull rod (4) is movably connected with the middle part of the auxiliary block (7) through a second spring (9).

2. A complementary securing mechanism for a thermos stopper according to claim 1 further characterized by: adjust chamber (2) intussuseption and be filled with paraffin, the side activity of adjusting chamber (2) is cup jointed seal piece (3), and the outside of seal piece (3) is the inclined plane of tilt up, the inboard of seal piece (3) and the outside of pull rod (4) lower extreme pass through first spring (5) swing joint.

3. A complementary securing mechanism for a thermos stopper according to claim 2 further characterized by: the bottom surface of cock body (1) is outstanding in regulating block (8), and the scope of regulating block (8) activity from top to bottom is zero to one centimetre, it is horizontal to inhale air groove (10) lower extreme opening, the outside of auxiliary block (7) upper end and the inboard lower extreme contact of seal piece (3), and the contact surface is the inclined plane.

4. A complementary securing mechanism for a thermos stopper according to claim 1 further characterized by: the pull rod (4) is in a dry shape, a middle circular plate of the pull rod is positioned in the adjusting cavity (2), and a cavity above the middle circular plate of the pull rod (4) is reserved in the adjusting cavity (2).

5. A complementary securing mechanism for a thermos stopper according to claim 1 further characterized by: the joint of the plug body (1) at the upper end of the air suction groove (10) and the adjusting block (8) is in a cross shape.

Technical Field

The invention relates to the technical field of articles for daily use, in particular to an auxiliary fastening mechanism of a thermos bottle plug.

Background

The thermos bottle, also called as thermos bottle, adopts the mode of cutting off heat conduction of a double-layer bottle with vacuum in the middle, and cuts off heat conduction between hot water in the bottle and the outside by coating silver reflective coating in a vacuum interlayer to reflect heat radiation and cutting off heat convection through stopper blockage, thereby enabling the water in the bottle to achieve the effect of lasting heat preservation.

When the traditional thermos plug is used, because the traditional thermos plug has the problems of different sizes or insufficient firmness due to blockage between the traditional thermos plug and a bottle opening, a gap is easy to exist, so that hot water in the thermos bottle has gas circulation with the outside, the heat preservation effect of the thermos bottle is poor, the heat preservation efficiency of the thermos bottle is influenced, and because a section of air is usually reserved at the bottle opening of the thermos bottle to enhance the heat preservation efficiency of the thermos bottle, after the hot water in the thermos bottle is gradually vaporized, the bottle plug can be blown out under the action of overlarge internal air pressure, if nobody finds that the hot water in the thermos bottle can not preserve heat, the normal use of the thermos bottle is influenced, and after the hot water in the thermos bottle is cooled due to overlong storage time, negative pressure can be formed in the thermos bottle under the action of cooling and reducing the volume of the gas at the bottle opening, so that the bottle plug is adsorbed on the bottle opening under the action of atmospheric pressure and is inconvenient to pull out, the use efficiency of the thermos bottle is affected.

Disclosure of Invention

Aiming at the defects of the existing thermos bottle plug in the prior art in the using process, the invention provides an auxiliary fastening mechanism of the thermos bottle plug, which has the advantages of automatic pressurization and auxiliary fastening, and solves the technical problems that the thermos bottle plug is not plugged tightly when the thermos bottle is in normal use, the heat preservation efficiency is influenced, and the thermos bottle plug is popped up or cannot be pulled out due to overlarge or undersize internal air pressure.

The invention provides the following technical scheme: the utility model provides a supplementary fastening device of thermos bottle plug, includes the cock body, the regulation chamber has been seted up at the middle part of cock body inner chamber, the pull rod has been cup jointed in the middle part activity of cock body, the air channel has been seted up at the middle part of pull rod, the lower extreme activity of adjusting the chamber has cup jointed the supplementary piece that is located the pull rod lower extreme outside, the lower extreme fixedly connected with regulating block of supplementary piece, the middle part of regulating block is seted up the groove of breathing in with air channel and cock body below intercommunication, the middle part fixedly connected with of supplementary piece is located the ejector pin of air channel below, the lower extreme fixedly connected with of pull rod is located the stopper at air channel middle part, and the quantity of stopper is two, the ball that is located between two stoppers is placed in the middle part activity of air channel, the middle part of pull rod lower extreme and supplementary piece is passed through second spring swing joint.

Preferably, the adjusting cavity is filled with paraffin, the side surface of the adjusting cavity is movably sleeved with the sealing block, the outer side of the sealing block is an inclined plane which inclines upwards, and the inner side of the sealing block is movably connected with the outer side of the lower end of the pull rod through a first spring.

Preferably, the adjusting block protrudes out of the bottom surface of the plug body, the vertical movement range of the adjusting block is zero to one centimeter, the lower end opening of the air suction groove is transverse, the outer side of the upper end of the auxiliary block is in contact with the lower end of the inner side of the sealing block, and the contact surface is an inclined surface.

Preferably, the pull rod is in a shape like a Chinese character 'gan', a middle circular plate of the pull rod is positioned in the adjusting cavity, and a cavity positioned above the middle circular plate of the pull rod is reserved in the adjusting cavity.

Preferably, the joint of the plug body at the upper end of the air suction groove and the adjusting block is in a cross shape.

The invention has the following beneficial effects:

1. according to the invention, the automatic pressurization mechanism is arranged, so that the thermos bottle is gradually cooled to cause the internal air pressure to be rapidly reduced, when the bottle plug is adsorbed at the bottle mouth, the pull rod is moved downwards under the action that the lower end of the vent groove is blocked by the negative pressure and the ball, and after the ball is jacked upwards by the ejector rod, the vent groove communicates the inner cavity of the bottle with the outside, so that the external air can rapidly flow into the bottle for pressurization, and the situation that the bottle plug cannot be pulled out due to the small air pressure in the bottle is avoided.

2. According to the invention, by arranging the auxiliary plugging mechanism, when the bottle plug is arranged on the mouth of the hot water bottle, under the action of melting paraffin wax in the adjusting cavity by heating, the pressure in the adjusting cavity is increased, so that the sealing block is pushed outwards under the action of the pressure, and the plug body is pressed downwards under the action of an upwards inclined plane on the outer side of the sealing block, so that the plug body is pressed tightly, the sealing efficiency of the plug body is enhanced, and the condition that the heat preservation efficiency of the hot water bottle is influenced because a gap exists between the plug body and the mouth of the bottle because the plug body is not tightly covered is avoided.

3. According to the invention, through the arrangement of the auxiliary fastening mechanism, when the internal air pressure is increased rapidly due to the gradual increase of the hot air in the thermos bottle, the adjusting block is pushed upwards under the action of the air pressure, the auxiliary block is pushed to move upwards, meanwhile, under the action of the inclined surface formed by the contact surface of the auxiliary block and the sealing block, the auxiliary block pushes the sealing block to move outwards, the pressure between the sealing block and the bottle mouth is enhanced, the compression degree of the bottle plug is further increased, internal hot air is prevented from being discharged outwards through the automatic pressurization mechanism by arranging the limiting block positioned above the ball and the air suction groove which can be sealed in a staggered manner, and the hot air is blocked in the bottle mouth, so that the heat preservation efficiency of the thermos bottle is further enhanced.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic structural diagram of the working state of the present invention;

fig. 3 is a schematic perspective view of an auxiliary block according to the present invention.

In the figure: 1. a plug body; 2. an adjustment chamber; 3. a sealing block; 4. a pull rod; 5. a first spring; 6. a vent channel; 7. an auxiliary block; 8. an adjusting block; 9. a second spring; 10. a suction groove; 11. a ball bearing; 12. a top rod; 13. and a limiting block.

Detailed Description

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

Referring to fig. 1-3, an auxiliary fastening mechanism for a thermos bottle plug comprises a plug body 1, an adjusting cavity 2 is formed in the middle of an inner cavity of the plug body 1, a pull rod 4 with an upper end extending out of the plug body 1 is movably sleeved in the middle of the plug body 1, a vent groove 6 penetrating through the pull rod 4 is formed in the middle of the pull rod 4, so that air can flow to the lower end of the pull rod 4 through the vent groove 6, an auxiliary block 7 is movably sleeved at the lower end of the adjusting cavity 2, the auxiliary block 7 is positioned outside the lower end of the pull rod 4, the air left at the lower end of the pull rod 4 cannot be mixed into the adjusting cavity 2 by butting the middle of the pull rod 4 and the auxiliary block 7, an adjusting block 8 is fixedly connected to the middle of the lower end of the auxiliary block 7, so that the auxiliary block 7 can be driven to move synchronously when the adjusting block 8 moves upwards or downwards under the action of air pressure, an air suction groove 10 is formed in the middle of the adjusting block 8, and the air suction groove 10 communicates the vent groove 6 with the lower portion of the plug body 1, when negative pressure is formed inside the inner cavity of the thermos bottle under the action of cooling, air can be sucked through the vent groove 6, and air flows into the thermos bottle through the vent groove 6 and the air suction groove 10, so that the air pressure in the thermos bottle is increased, the middle part of the auxiliary block 7 is fixedly connected with the ejector rod 12, the ejector rod 12 is positioned below the vent groove 6, the lower end of the pull rod 4 is fixedly connected with the limiting blocks 13, the limiting blocks 13 are positioned in the middle part of the vent groove 6, the number of the limiting blocks 13 is two, a round hole is reserved in the middle part of the limiting blocks 13, the diameter of the round hole is larger than that of the ejector rod 12, the ball 11 is movably placed in the middle part of the vent groove 6, the ball 11 is positioned between the two limiting blocks 13, the diameter of the ball 11 is slightly larger than that of the round hole in the middle part of the limiting blocks 13 and is smaller than the diameter of the inner cavity of the vent groove 6, so that the ball 11 can move up and down in the vent groove 6 under the action of air flow, and the limiting blocks the upper end or the lower end of the limiting blocks 13 to block the air flow, the lower end of the pull rod 4 is movably connected with the middle part of the auxiliary block 7 through a second spring 9, and the joint of the plug body 1 at the upper end of the air suction groove 10 and the adjusting block 8 is in a cross shape, so that the lower end of the air channel 6 can be communicated with the air suction groove 10 while the lower end of the ejector rod 12 is ensured to be stable.

Referring to fig. 1-2, paraffin is filled in the adjusting cavity 2, the melting temperature of the paraffin is forty degrees centigrade, the sealing block 3 is movably sleeved on the side surface of the adjusting cavity 2, so that after the paraffin is heated and melted in the adjusting cavity 2, the sealing block 3 can be pushed out under the action of increasing internal pressure, the outer side of the sealing block 3 is an inclined plane which inclines upwards, so that after the sealing block 3 is pushed out for a certain distance, the plug body 1 can bear downward pressure under the action of the inclined plane on the outer side of the sealing block 3, the covering efficiency of the plug body 1 is enhanced, the inner side of the sealing block 3 is movably connected with the outer side of the lower end of the pull rod 4 through the first spring 5, so that after the pressure in the adjusting cavity 2 is reduced, the sealing block 3 can be automatically reset through the first spring 5, and the plug body 1 can be quickly pulled out.

Referring to fig. 1-2, wherein the adjusting block 8 protrudes out of the bottom of the stopper body 1, and the moving range of the adjusting block 8 is zero to one centimeter, so that when the air pressure in the thermos bottle is large, the adjusting block 8 can be pushed to move upwards for a certain distance under the action of the air pressure, and the auxiliary block 7 is driven to move upwards synchronously, the lower opening of the air suction groove 10 is horizontal, so that after the adjusting block 8 moves upwards for a certain distance, the lower opening of the air suction groove 10 can be sealed in a staggered manner, so that the air in the thermos bottle cannot flow outwards, the heat preservation efficiency of the thermos bottle is affected, the outer side of the upper end of the auxiliary block 7 is in contact with the inner side of the lower end of the sealing block 3, and the contact surface is an inclined surface, so that after the auxiliary block 7 moves upwards for a certain distance under the action of the adjusting block 8, the sealing block 3 can be pushed to move outwards under the action of the contact surface of the auxiliary block 7 and the sealing block 3 being an inclined surface, thereby further strengthening the pressure of the sealing block 3 and the bottle mouth and ensuring that the plug body 1 cannot run out under the impact of the atmospheric pressure.

Wherein, through automatic booster mechanism and supplementary fastening device's setting for only can take place the gas circulation when the inside atmospheric pressure of thermos is less than external atmospheric pressure by a wide margin, thereby avoided great or when little with external atmospheric pressure in the thermos, produced the gas circulation, thereby lead to the heat preservation efficiency of thermos to reduce, influence the condition of thermos normal use and take place.

Referring to fig. 1-2, the pull rod 4 is in a shape of "dry" and the middle circular plate is located in the adjustment cavity 2, a cavity is left in the adjustment cavity 2 and located above the middle circular plate of the pull rod 4, so that when the thermos needs to be opened, the pull rod 4 can be moved upwards by pulling the pull rod 4 upwards, the middle circular plate of the pull rod 4 is driven to move upwards rapidly, the cavity of the adjustment cavity 2 is increased rapidly, and the sealing block 3 is moved inwards by the first spring 5 automatically returning, so that the pressure between the sealing block 3 and the bottle mouth in the automatic pressurizing mechanism and the auxiliary fastening mechanism disappears, and the plug body 1 can be pulled out normally.

The using method of the invention is as follows:

automatic pressurization: when the thermos bottle is cooled gradually to cause the internal air pressure to be reduced rapidly and the bottle plug is adsorbed at the bottle mouth, the pull rod 4 moves downwards under the action of negative pressure and the ball 11 blocking the lower end of the vent groove 6, and after the ball 11 is jacked upwards by the ejector rod 12, the vent groove 6 communicates the inner cavity of the thermos bottle with the outside, so that the outside air can flow into the thermos bottle rapidly to be pressurized;

auxiliary plugging: when the bottle stopper is arranged on a bottle mouth with hot water, under the action of melting paraffin wax in the adjusting cavity 2 by heating, the pressure in the adjusting cavity 2 is increased, so that the sealing block 3 is pushed outwards under the action of the pressure, and under the action of an upwards inclined plane on the outer side of the sealing block 3, the stopper body 1 is pressed downwards, so that the stopper body 1 is compressed, and the sealing efficiency of the stopper body 1 is enhanced;

auxiliary fastening: the hot-air in the thermos increases gradually, when leading to inside atmospheric pressure to increase fast, under the effect of atmospheric pressure, make regulating block 8 receive ascending thrust, and promote supplementary 7 rebound of piece, simultaneously under supplementary 7 and the effect of sealing 3 contact surfaces and personally submitting the inclined plane, make supplementary 7 promotion sealing piece 3 remove to the outside, and make the pressure reinforcing of sealing 3 and bottleneck department, make the degree of compressing tightly of bottle plug further rise, and through setting up stopper 13 that is located ball 11 top and can be misplaced confined suction groove 10, make inside steam can not outwards discharge through automatic booster mechanism, and with the steam shutoff in the bottleneck, thereby the heat preservation efficiency of thermos has further been strengthened.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.