CN212710737U

CN212710737U - Vacuum bottle with filtering capability

Info

Publication number: CN212710737U
Application number: CN202021308504.7U
Authority: CN
Inventors: 金贤敏; 许荣强; 张洋
Original assignee: Kema Cosmetics Wuxi Co ltd Shanghai Branch
Current assignee: Kema Cosmetics Wuxi Co ltd Shanghai Branch
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-03-16
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a vacuum bottle with a filtering function, which comprises a bottle body, wherein one end of the bottle body is provided with a vacuum pump for extruding materials, a piston is arranged in the bottle body in a sliding way, and the vacuum pump is connected with the bottle body in a sealing way; the filtering device is arranged in the bottle body close to one side of the vacuum pump and is connected with the filtering pump; according to the vacuum bottle, the filtering device is arranged at one end, close to the vacuum pump, in the vacuum bottle, so that cosmetics with the vacuum pump type have a solid filtering function, and the vacuum bottle is prevented from being blocked by solid in the material extruding process; set up the sealing member between vacuum pump and the bottle, and filter equipment is fixed mutually with the sealing member, and the equipment of being convenient for, and the bottle inner wall need not to set up connection structure, the mass production of being convenient for.

Description

Vacuum bottle with filtering capability

Technical Field

The utility model relates to a cosmetic bottle and vacuum bottle field indicate a vacuum bottle with filtering capability especially.

Background

The cosmetic bottle with the pump core can play a role in storing materials and extruding the materials, a part of solids such as petals and herbs need to be added into a material body for the sake of aesthetic factors and the like, but the solids can block the pump core, so that the liquid materials cannot flow out normally. In the prior art, a solid is intercepted by adopting a filter screen. In the vacuum bottle, the piston in the bottle can move forward continuously along with the extrusion of materials, the filter screen structure in the prior art can block the movement of the piston, and the vacuum bottle is not suitable for cosmetic bottles of vacuum pumps, so that whether the vacuum bottle with the filtering function exists or not is a technical problem expected to be solved by a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vacuum flask with filtering capability has set up the filter screen that is applicable to the vacuum pump, makes the vacuum flask can normally extrude liquid material.

In the following, reference to the top refers to the direction of the vacuum bottle towards the vacuum pump and the bottom refers to the direction of the vacuum bottle away from the vacuum pump.

The utility model provides a technical scheme as follows:

a vacuum flask with filtration, comprising:

the vacuum pump is used for extruding materials and is in sealing connection with the bottle body; and the number of the first and second groups,

and the filtering device is arranged in the bottle body close to one side of the vacuum pump and is connected with the vacuum pump.

In the vacuum flask that has the vacuum pump, along with extruding of material, the piston can constantly remove towards the vacuum pump direction, and filter equipment sets up in the department that is close to the vacuum pump, can reduce the stroke restriction of piston to the vacuum pump to most material can be extruded smoothly, improves material utilization.

The filtering device is connected with the bottom of the vacuum pump, has a large filtering area, reduces the flow resistance of the filtering device to materials, and is convenient for the smooth extrusion of the materials.

Further preferably, the filtering device comprises a clamping ring with a certain height and a filtering net, wherein the filtering net is arranged at the bottom of the clamping ring;

and a sealing element is arranged between the vacuum pump and the filtering device, and the bottom of the sealing element is connected with the top of the clamping ring.

The filter screen passes through the snap ring to be fixed with the sealing member, and the inner wall of bottle need not to set up the connection structure who is used for fixed filter screen, the processing of being convenient for. A portion of the pump core of the vacuum pump generally extends into the bottle by a distance, the height of the filter means is the dimension of the filter means in the extending direction of the pump core, and the height of the filter means exceeds the distance of the pump core extending into the bottle.

Further preferably, the sealing member has an annular first projection extending inwardly of the bottle body;

the outer wall of the top of the clamping ring is provided with threads, and the inner wall of the first convex part is fixed with the clamping ring through the threads matched with the first convex part.

The first convex part is connected with the top of the clamping ring through threads, so that the filtering device is conveniently fixed on the sealing element. The inner wall of first convex part is used for fixed with the snap ring, and the outer wall of first convex part can improve the joint strength of sealing member and bottle with the inner wall looks butt of body.

the inner wall of the top of the clamping ring is provided with threads, and the outer wall of the first convex part is fixed with the clamping ring through the threads matched with the first convex part.

The inner wall of snap ring is fixed mutually with first convex part, and the outside of snap ring can with the inner wall looks butt of bottle to improve the fastness that filter equipment connects, avoid filter equipment to fall into in the bottle inefficacy.

Further preferably, a gap is left between the filter screen and the vacuum pump. The during operation of vacuum pump absorbs the material in the space, and the material in the filter screen outside can flow to vacuum pump one side through the filter screen under the effect of negative pressure, compares and leans on the filter screen that the material can only pass through pump core department on the vacuum pump to get into the pump core in the filter screen, and the filter screen is less to the flow resistance of material, reduces the required pressure of pressing the vacuum pump, promotes user experience.

Further preferably, the outer edge of the sealing element is fixed with the bottle mouth of the bottle body. The outer edge of the sealing element can be sleeved or clamped on the bottle mouth of the bottle body, so that the sealing element is convenient to mount. The inner wall of the bottle body does not need to be provided with a connecting structure used for being connected with the sealing element, the structure of the device is simplified, and the production cost is reduced.

Further preferably, an annular groove facing the bottle body is formed in the outer edge of the sealing element, and a second convex portion capable of being clamped and fixed with the annular groove is formed at the bottle mouth of the bottle body.

When the vacuum bottle is assembled, the second convex part is clamped into the annular groove, so that the sealing element and the bottle body can be fixed, and the vacuum bottle is convenient to assemble.

Further preferably, the vacuum pump comprises a pump core, a sleeve sleeved on the pump core, and a pressing head located at the top of the sleeve, wherein the pressing head is connected with the pump core; the pump core is provided with a flange with an increased radial size, the top of the flange is abutted against the inner wall of the sleeve, and the bottom of the flange is fixed with the sealing element in a sealing mode through a sealing ring.

Further preferably, the inner wall of the sleeve and the outer wall of the seal are secured by a threaded arrangement.

Firstly, the pump core is inserted into the sleeve, then the sealing ring is placed in the sleeve, and the sealing element is screwed into the sleeve, so that the end part of the sealing element is abutted against the flange through the sealing end, and the inner wall of the sleeve is abutted against the flange. And finally, clamping the vacuum pump fixed with the sealing piece and the filtering device in a bottle body in which a piston is placed and materials are filled, and thus, filling and assembling of the vacuum bottle can be completed. The vacuum bottle has simple integral structure, is easy to assemble and is convenient for mass production.

Further preferably, the vacuum bottle with the filtering function further comprises a cover body sleeved on the vacuum pump. After the cover body covers the vacuum pump, the pressing head can be sleeved to avoid the phenomenon that a user mistakenly touches the pressing head to extrude materials to cause waste.

The filtering device is creatively arranged at one end, close to the vacuum pump, in the vacuum bottle, so that the cosmetics with the vacuum pump have a solid filtering function, and the solid is prevented from blocking the vacuum pump in the process of extruding materials by the vacuum bottle; set up the sealing member between vacuum pump and the bottle, and filter equipment is fixed mutually with the sealing member, and the equipment of being convenient for, and the bottle inner wall need not to set up connection structure, the mass production of being convenient for.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

FIG. 1 is a cross-sectional view of a vacuum bottle according to an embodiment of the present invention;

FIG. 2 is a view showing a structure of a cover according to an embodiment of the present invention;

FIG. 3 is an exploded view of a vacuum pump according to an embodiment of the present invention;

FIG. 4 is a schematic view of a seal according to an embodiment of the present invention;

FIG. 5 is an exploded view of a filter assembly according to an embodiment of the present invention;

FIG. 6 is an exploded view of the bottle and piston according to one embodiment of the present invention;

FIG. 7 is a perspective view of the device after the cover body is closed according to an embodiment of the present invention;

fig. 8 is a perspective view of the device with the cover removed according to the embodiment of the present invention.

The reference numbers illustrate:

100-bottle body; 110-a piston; 120-a second protrusion; 200-a vacuum pump; 210-a pump core; 211-a flange; 220-a cannula; 230-pressing head; 240-sealing ring; 300-a filtration device; 310-a snap ring; 320-a filter screen; 400-a seal; 410-a first protrusion; 420-an annular groove; 500-cover body.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Hereinafter, the bottom portion is referred to as an end of the component away from the vacuum pump 200, and the top portion is referred to as an end of the component close to the vacuum pump 200.

As an embodiment, as shown in fig. 1 to 8, a vacuum bottle with a filtering function includes a bottle body 100, a vacuum pump 200 hermetically connected to one end of the bottle body 100 is installed at one end of the bottle body 100, a piston 110 is slidably installed inside the bottle body 100, and a material containing chamber for containing a material is formed among the vacuum pump 200, an inner wall of the bottle body 100, and the piston 110. When the vacuum pump 200 is pressed, the piston 110 moves toward the vacuum pump 200, and the material in the material containing chamber is extruded from the vacuum pump 200.

A filter 300 is disposed in the bottle 100 at a side close to the vacuum pump 200, and the filter 300 is connected to the vacuum pump 200. In this embodiment, as shown in fig. 1, 5 and 6, the bottle body 100 has an overall cylindrical shape, and the outer circumference of the filter device 300 is also circular.

So far, it will be understood by those skilled in the art that the filtering device 300 of the present patent is actually the key point of the present patent. The filtering device 300 is close to the vacuum pump 200, so that the material waste caused by the formation of the shrinking piston 110 of the filtering device 300 in the extrusion process can be avoided, the outer edge of the filter is close to the inner wall of the bottle body 100, the filtering area of the filter is large at the moment, the flow resistance of the filter to the material is small, and a user can press the vacuum pump 200 with small force to extrude the material. In actual production, the bottle 100 may be of a square, triangular, or other cross-section, the shape of the filtering device 300 may be adjusted accordingly, and the adjusted solution is within the scope of the present patent.

In this embodiment, as shown in fig. 1 and 5, a seal 400 is provided between the vacuum pump 200 and the device, the seal 400 serving to seal the vacuum pump 200 to the vial 100 and to support the filter device 300. The filter assembly 300 includes a retainer ring 310 having a height, a bottom of the retainer ring 310 being fixed to the filter 320, and a top of the retainer ring 310 being fixed to the seal 400, and a filter 320.

The filter screen 320 and the bottom of the sealing member 400 can be fixed by means of bonding, clamping and the like through the clamping ring 310, and the distance between the filter screen 320 and the vacuum pump 200 can be accurately controlled. And the connection mode is simple, there is no need to set other connection structures on the inner wall of the bottle body 100, which is convenient for mass production, and the manufacturer installs the filtering device 300 on the existing equipment to upgrade.

The sealing member 400 has a first protrusion 410 extending into the bottle body 100, the first protrusion 410 has a ring shape, a thread is provided on an outer wall of the top of the snap ring 310, the first protrusion 410 is clamped between the outer wall of the top of the snap ring 310 and an inner wall of the bottle body 100, and a mating thread is provided on the inner wall of the snap ring 310 to be fixed to the first protrusion 410. At this time, the outer wall of the first protrusion 410 abuts against the inner wall of the bottle 100, and the inner wall of the bottle 100 supports the sealing member 400 via the first protrusion 410, thereby improving the connection firmness.

In practice, the inner wall of the first protrusion 410 may be threaded such that the top of the snap ring 310 is engaged between the outer wall of the first protrusion 410 and the inner wall of the bottle body 100, and the outer wall of the snap ring 310 is provided with a matching thread to be fixed to the first protrusion 410. At this time, the outer wall of the snap ring 310 abuts against the inner wall of the bottle body 100, the inner wall of the snap ring 310 abuts against the outer wall of the first protrusion 410, and both the bottle body 100 and the sealing member 400 support the snap ring 310, so that the connection firmness of the bottle body 100 and the sealing member 400 can be improved, and the filtering device 300 is prevented from falling into the bottle body 100.

In a preferred embodiment, as shown in fig. 1, a gap is left between the filter screen 320 and the vacuum pump 200.

If the filter screen 320 is tightly attached to the vacuum pump 200, when the vacuum pump 200 is pressed, the material in the bottle 100 only enters and flows into the pump core 210 through the filter screen 320 and the inlet of the pump core 210 of the vacuum pump 200. Once solids move to the vicinity of the screen, the liquid material experiences a greater resistance to passing through the screen 320 and the solids still have the potential to cause clogging of the vacuum pump 200. Consequently, leave the clearance between filter screen and the vacuum pump 200, do benefit to and reduce the filter screen to the resistance of material, the user of being convenient for presses vacuum pump 200 with less power and can extrude the material, promotes user experience.

In a preferred embodiment, as shown in fig. 1, the outer edge of the sealing member 400 is fixed to the mouth of the bottle body 100. The main part of sealing member 400 can reduce the occupation of sealing member 400 to the internal space of bottle 100 in the space outside the bottleneck of bottle 100, and under the same bottle 100 specification, bottle 100 is inside to be used for holding more materials, does benefit to the dead volume that reduces between sealing member 400 and the bottle 100 inner wall simultaneously, promotes material utilization ratio.

In this embodiment, the outer edge of the sealing member 400 is formed with an annular groove 420 facing the bottle body 100, and the bottle mouth of the bottle body 100 is formed with a second protrusion 120 that can be engaged with the annular groove 420.

The groove width of the annular groove 420 is set slightly smaller than the thickness of the second protrusion 120, so that the second protrusion 120 can be fixed in interference with the annular groove 420. In the assembling process, the annular groove 420 of the sealing member 400 is aligned with the second convex part 120, and the sealing member 400 is pressed, so that the second convex part 120 can be inserted into the annular groove 420 and fixed, and the operation is convenient and fast.

In practical production, the width of the annular groove 420 may also be set to be the same as or slightly larger than the thickness of the second protrusion 120, the second protrusion 120 may be fixed to the annular groove 420 by adhesion, and the adjusted solution also falls within the protection scope of this patent.

In a preferred embodiment, as shown in fig. 1, 3 and 4, the vacuum pump 200 includes a sleeve 220 and a pump core 210 sleeved in the sleeve 220, and one end of the sleeve 220 has a pressing head 230 connected to the pump core 210. The pump core 210 is communicated with the inside of the bottle body 100, the sleeve 220 is used for protecting the pump core 210 and supporting the pressing head 230, the pressing head 230 is used for pressing the pump core 210 to enable the pump core 210 to pump materials, the pump core 210 adopts a double-spring pre-pressing pump, and the inner wall of the sleeve 220 is fixed with the outer wall of the sealing element 400 through a thread structure.

The pump core 210 has an outwardly extending flange 211 on its outer peripheral surface, the top of the flange 211 does not abut against the inner wall of the sleeve 220, and the bottom of the flange 211 is sealingly fixed to the seal 400 by a seal ring 240. After the vacuum bottle is assembled. The outer wall of the pump cartridge 210, the inner wall of the sealing member 400, the inner wall of the bottle 100, and the piston 110 form a sealed area for placing the material, and the inlet port of the pump cartridge 210 is located in the area.

The assembly steps of the vacuum bottle are as follows: the pump cartridge 210 is first inserted into the sleeve 220, the sealing ring 240 is then placed and the seal 400 is screwed into the sleeve 220 so that the end of the seal 400 abuts the flange 211 via the sealing end and the inner wall of the sleeve 220 abuts the flange 211. Thereafter, the assembled filter apparatus 300 is screwed into the sealing member 400, and finally, the vacuum pump 200 to which the sealing member 400 and the filter apparatus 300 are fixed is engaged with the bottle 100 into which the piston 110 is inserted and in which the material is charged, thereby completing the charging and assembling of the vacuum bottle. The vacuum bottle has simple integral structure, is easy to assemble and is convenient for mass production.

In actual production, the sealing element 400 may be sealed and fixed with the pump core 210 by other sealing methods such as sealing glue or interference connection; the inner wall of the sleeve 220 may also be fixedly connected by bonding, snapping or other connection that may increase local friction so that the sleeve 220 and the sealing member 400 do not disengage from each other, and the modified solution is within the scope of the present patent.

In a preferred embodiment, as shown in fig. 1, 2, 7 and 8, a vacuum flask with a filtering function further includes a cover 500 covering the whole vacuum pump 200. After the cover body 500 is installed, the cover body 500 protects the pressing head 230, and the phenomenon that the material flows out and is wasted due to the fact that a user mistakenly touches the pressing head 230 can be avoided.

In practical production, the cover body 500 may be configured to cover only the pressing head 230, or may be configured to cover a portion of the bottle body 100, and the above solutions are all within the protection scope of this patent.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A vacuum flask with filtering capability, comprising:

2. The vacuum bottle with the filtering function as claimed in claim 1, wherein:

the filter device comprises a clamping ring with a certain height and a filter screen, and the filter screen is arranged at the bottom of the clamping ring;

3. The vacuum bottle with the filtering function as claimed in claim 2, wherein:

the sealing element is provided with a first annular convex part extending into the bottle body;

4. The vacuum bottle with the filtering function as claimed in claim 2, wherein:

5. The vacuum bottle with the filtering function as claimed in claim 2, wherein:

and a gap is reserved between the filter screen and the vacuum pump.

6. The vacuum bottle with the filtering function as claimed in claim 2, wherein:

the outer edge of the sealing element is fixed with the bottle mouth of the bottle body.

7. The vacuum bottle with the filtering function as claimed in claim 6, wherein:

the outer edge of the sealing piece is provided with an annular groove facing the bottle body, and a second convex part which can be clamped and fixed with the annular groove is arranged at the bottle mouth of the bottle body.

8. The vacuum bottle with the filtering function as claimed in claim 6, wherein:

the vacuum pump comprises a pump core communicated with the interior of the bottle body, a sleeve sleeved with the pump core and a pressing head positioned at the top of the sleeve, and the pressing head is connected with the pump core; the pump core is provided with a flange with an increased radial size, the top of the flange is abutted against the inner wall of the sleeve, and the bottom of the flange is fixed with the sealing element in a sealing mode through a sealing ring.

9. The vacuum bottle with the filtering function as claimed in claim 8, wherein:

the inner wall of the sleeve and the outer wall of the sealing element are fixed through a thread structure.

10. The vacuum flask with filtering function according to any one of claims 1 to 9, wherein:

the vacuum pump is characterized by further comprising a cover body sleeved with the vacuum pump.