CN219008609U - Multi-dose gel vacuum pump drug delivery device - Google Patents

Abstract

The present utility model provides a multi-dose gel vacuum pump drug delivery device comprising: the bottle body is connected to the pump body of the bottle body, the piston is matched with the pump body, and the spray head and the elastic piece are connected to the pump body; the middle part of the pump body is provided with a communication pipe, the upper end part of the pump body is provided with a first pipe body, a second pipe body and a third pipe body, the first pipe body, the second pipe body and the third pipe body are all arranged in a loop from outside to inside in sequence by taking the communication pipe as the axis, the upper end of the elastic piece is propped against the end cap, the lower end of the communication pipe is communicated with the cavity of the bottle body, and the upper end of the communication pipe is communicated with the cavity of the pipe body. It is through the bottle, connects in the pump body of bottleneck, with pump body complex piston, connects the shower nozzle and the elastic component on the pump body and constitutes the device of dosing that has the vacuum pump structure jointly, extrudees the shower nozzle and can realize many times quantitative output gel medicament, avoids direct extrusion to paint pollution risk and the medicament waste that brings, and it is accurate to dose.

Description

Multi-dose gel vacuum pump drug delivery device

Technical Field

The utility model relates to the technical field of gel drug delivery devices, in particular to a multi-dose gel vacuum pump drug delivery device.

Background

The gel has wide application in modern pharmacy, daily care, daily chemical products and other aspects, and in daily life, skin of infants, old people, women and other people often changes symptoms such as discomfort in seasons, contact allergy and red swelling, acne, itching of skin, itching (eczema) and other symptoms, such as baby red buttocks, mouth rash, apple face, itching of old people, itching of pregnant infants and the like, and the gel type skin antipruritic drugs or skin care products are needed.

The gel is transparent or milky hydrophilic or skin-friendly paste, and if the traditional medicine or skin care product is directly extruded on hands and then smeared on the parts needing medicine or care products, the medicine effect of the gel can be affected due to unclean and sanitary hands, and accurate quantitative administration cannot be realized.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a multi-dose gel vacuum pump drug delivery device so as to solve the technical problems that the existing gel drug delivery device is unsanitary and cannot be used for quantitative and accurate drug delivery due to direct extrusion and coating.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

embodiments of the present utility model provide a multi-dose gel vacuum pump administration set comprising: the bottle body is connected with the pump body of the bottle body, the piston matched with the pump body, the spray head connected with the pump body and the elastic piece; the middle part of the pump body is provided with a communication pipe, the upper end part of the pump body is provided with a first pipe body, a second pipe body and a third pipe body, the first pipe body, the second pipe body and the third pipe body are all sleeved with the communication pipe in sequence from outside to inside in the axial direction as the axis, a first annular cavity is formed between the first pipe body and the second pipe body, a second annular cavity is formed between the second pipe body and the third pipe body, a third annular cavity is formed between the third pipe body and the communication pipe, the lower end of the spray head is inserted into the first annular cavity, and the piston comprises: the pipe body is connected with an end cap at the upper end part of the pipe body; the lower extreme of pipe body peg graft in the third annular chamber, the end cap peg graft in the shower nozzle, the lower extreme of elastic component peg graft in the second annular chamber, the upper end of elastic component support in the end cap, the lower extreme of communicating pipe communicate in the appearance chamber of bottle, the upper end communicate in the lumen of pipe body.

The bottle body is internally provided with a pump body piston, the pump body piston is in sealing and movable abutting connection with the side wall of the containing cavity of the bottle body, and the bottom of the bottle body is also provided with an air inlet hole.

The lower end of the pump body is further provided with a fourth annular cavity, and the opening end of the bottle body is clamped in the fourth annular cavity.

The outer wall of the lower end of the spray head is further provided with a clamping protrusion, the inner wall of the upper end of the first pipe body is further provided with a clamping groove, and the clamping protrusion is clamped in the clamping groove.

The lower end face of the end cap is also provided with an annular groove, and the upper end part of the elastic piece is inserted into the annular groove.

The pipe comprises a pipe body, a pipe wall and a communicating pipe, wherein the pipe cavity of the pipe body is internally provided with a limiting rod, a fifth annular cavity is formed between the limiting rod and the pipe wall of the pipe body, and the communicating pipe is inserted into the fifth annular cavity.

The lower end of the pipe body is in an outward-expanding conical shape, the outer edge of the lower end of the pipe body elastically abuts against the inner wall of the third pipe body, and the end cap is further provided with an opening communicated with the pipe cavity of the pipe body.

Wherein the elastic piece is a spring.

The upper end of the first pipe body is further connected with a dust cover, and the dust cover is covered outside the spray head.

The dustproof cover, the spray head, the pump body and the bottle body are all made of PP materials, and the pump body piston and the piston are made of LLDPE materials.

According to the multi-dose gel vacuum pump drug delivery device, the bottle body, the pump body connected to the bottle mouth, the piston matched with the pump body, the spray head connected to the pump body and the elastic piece form the drug delivery device with a vacuum pump structure together, the spray head is extruded to realize repeated quantitative output of gel drugs, and pollution risks and drug waste caused by direct extrusion and coating are avoided. The dosage is adjustable, the dosage can be made into a range of 40 mcl/press-220 mcl/press, the matched bottle capacity can also be made into various capacity specifications, and the bottle can be made into various capacity specifications of 1g/2g/3g/4g/5g and the like, so that quantitative and accurate administration is realized.

The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a multi-dose gel vacuum pump administration set according to an embodiment of the present utility model.

Fig. 2 is an exploded view of a multi-dose gel vacuum pump delivery device according to an embodiment of the present utility model.

Fig. 3 is a cross-sectional view of a multi-dose gel vacuum pump delivery device according to an embodiment of the present utility model.

Fig. 4 and 5 are schematic views of different angles of a pump body portion of a multi-dose gel vacuum pump administration device according to an embodiment of the present utility model.

Fig. 6 and 7 are schematic views of different angle structures of a piston portion of a multi-dose gel vacuum pump delivery device according to an embodiment of the present utility model.

Fig. 8 is an enlarged view of a portion a in fig. 3.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships as described based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

Referring to fig. 1-8, the present embodiment provides a multi-dose gel vacuum pump administration set 100 comprising: the bottle body 1, connect to the pump body 2 of the said bottle body 1, the piston 4 cooperating with said pump body 2, shower nozzle 5 and elastic member 3 connected to said pump body 2; the middle part of the pump body 2 is provided with a communication pipe 24, the upper end part of the pump body 2 is provided with a first pipe body 21, a second pipe body 22 and a third pipe body 23, the first pipe body 21, the second pipe body 22 and the third pipe body 23 are all sleeved with the communication pipe 24 from outside to inside in sequence in an axial direction, a first annular cavity 25 is formed between the first pipe body 21 and the second pipe body 22, a second annular cavity 26 is formed between the second pipe body 22 and the third pipe body 23, a third annular cavity 27 is formed between the third pipe body 23 and the communication pipe 24, and the lower end of the spray head 5 is spliced in the first annular cavity 25. The piston 4 includes: a tube body 41, an end cap 42 connected to an upper end of the tube body 41; the lower end of the pipe body 41 is inserted into the third annular cavity 27, the end cap 42 is inserted into the spray head 5, the lower end of the elastic member 3 is inserted into the second annular cavity 26, the upper end of the elastic member 3 abuts against the end cap 42, the lower end of the communicating pipe 24 is communicated with the cavity of the bottle body 1, and the upper end is communicated with the cavity of the pipe body 41. The elastic member 3 elastically supports the piston 4 and the pump body 2, under the natural state of the elastic member 3, a certain space is reserved in the first annular cavity 25 at the lower end of the spray head 5, a certain movable telescopic space is reserved between the corresponding piston 4 and the pump body 2, when the spray head 5 is pressed, the elastic member 3 is compressed, and as the piston 4 moves relative to the pump body 2, the piston 4 and the pump body 2 are compressed by the gas in the closed cavity, the air pressure is reduced, the gel medicament 200 in the bottle body 1 enters the pipe cavity of the pipe body 41, and finally is output from the spray head 5.

The bottle body 1 is internally provided with a pump body piston 6, the pump body piston 6 is in sealing and movable abutting connection with the side wall of the containing cavity of the bottle body 1, the bottom of the bottle body 1 is further provided with an air inlet hole 12, when the medicine in the bottle body 1 is reduced, the pump body piston 6 moves along with the medicine in the direction of the pump body 2, so that the medicine cannot generate air holes in the use process, the same amount of medicine can be output in each pressing action, and in addition, the pump body piston 6 is further beneficial to completely using the medicine in the bottle body 1 and is not suitable for residue generation.

Referring to fig. 4 and 5 again, a fourth annular cavity 28 is further provided at the lower end of the pump body 2, and the open end 11 of the bottle body 1 is clamped in the fourth annular cavity 28.

As shown in fig. 8, the outer wall of the lower end of the nozzle 5 is further provided with a clamping protrusion 51, the inner wall of the upper end of the first pipe 21 is further provided with a clamping groove 211, and the clamping protrusion 51 is clamped in the clamping groove 211. It will be appreciated that in other embodiments, the detent projections 51 and detent recesses 211 may be provided in alternate positions on the first body 21 and the spray head 5.

An annular groove 412 is further formed in the lower end face of the end cap 42, and the upper end portion of the elastic member 3 is inserted into the annular groove 412. Of course, the upper end of the elastic member 3 may abut against the lower end surface of the end cap 42.

The utility model discloses a medicine bottle, including a bottle body 1, a bottle body 41, a piston 4, a communicating pipe 21, a fifth annular cavity 413 is formed in the lumen of the tube body 41, a stop lever 43 is still equipped with in the lumen of the tube body 41, the stop lever 43 with form a fifth annular cavity 413 between the pipe wall of the tube body 41 with communicating pipe 21 peg graft in the fifth annular cavity 413, stop lever 43 realizes the ration output of medicament with fifth annular cavity 413 cooperation, when communicating pipe 24 top supports fifth annular cavity 413 bottom, shower nozzle 5 can't continue to push down, at this moment, piston 4 and the inside sealed cavity of pump body 2 compressed a certain amount of air, the corresponding medicament that can pump the medicament in the bottle 1 out corresponding amount.

Referring to fig. 6 and 7 again, the lower end 411 of the tube body 41 is in an expanded conical shape, the outer edge of the lower end of the tube body 41 elastically abuts against the inner wall of the third tube body 23, and the end cap 42 is further provided with an opening 421 communicating with the lumen of the tube body 41.

In this embodiment, the elastic member 3 is a spring, which is made of food-grade sus 316 steel.

Referring to fig. 1 and 3 again, a dust cap 7 is further connected to the upper end of the first tube 21, and the dust cap 7 is covered outside the nozzle 5.

In this embodiment, the dust cap 7, the nozzle 5, the pump body 2, and the bottle body 1 are all made of PP materials, and the pump body piston 4 and the piston 6 are both made of LLDPE materials.

The dosage of the multi-dosage gel vacuum pump drug delivery device of the embodiment is adjustable, the dosage can be made into a range of 40 ml/press-220 ml/press, the matched bottle capacity can also be made into various capacity specifications, and the bottle can be made into various capacity specifications of 1g/2g/3g/4g/5g and the like.

The specific implementation technical scheme is as follows:

the pump body piston reciprocates through the pressing spring, the soft pump body piston is in sealing fit with the bottle wall of the bottle body, the pump body piston is positioned at the bottom of the bottle after the pump body piston is filled with gel, and the soft pump body piston is also in sealing fit with the bottle body.

The working principle is as follows: when the gel pump is used, the dustproof cover is taken down firstly, then the bottle body is held by hand, the spray head is pressed by fingers, the spray head and the pump body piston do reciprocating up-and-down motion by pressing, the inner column of the spray head and the pump body piston form vacuum to absorb gel, meanwhile, the external atmospheric pressure enters the bottle bottom at the small hole of the bottle bottom, the external atmospheric pressure acts on the pump body piston to squeeze the gel, and therefore the gel is pushed to enter the pump body piston to be sprayed out from the spray head.

The device of dosing of multi-dose gel vacuum pump of this embodiment, its through the bottle, connect in the pump body of bottleneck, with pump body complex piston, connect in the device of dosing that has the vacuum pump structure is constituteed jointly to shower nozzle and elastic component on the pump body, and extrusion shower nozzle can realize many times quantitative output gel medicament, avoids direct extrusion to paint pollution risk and the medicament waste that brings, has realized simultaneously that quantitative accurate is dosed.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims (10)

1. A multi-dose gel vacuum pump drug delivery device, comprising: the bottle body is connected with the pump body of the bottle body, the piston matched with the pump body, the spray head connected with the pump body and the elastic piece; the middle part of the pump body is provided with a communication pipe, the upper end part of the pump body is provided with a first pipe body, a second pipe body and a third pipe body, the first pipe body, the second pipe body and the third pipe body are all sleeved with the communication pipe in sequence from outside to inside in the axial direction as the axis, a first annular cavity is formed between the first pipe body and the second pipe body, a second annular cavity is formed between the second pipe body and the third pipe body, a third annular cavity is formed between the third pipe body and the communication pipe, the lower end of the spray head is inserted into the first annular cavity, and the piston comprises: the pipe body is connected with an end cap at the upper end part of the pipe body; the lower extreme of pipe body peg graft in the third annular chamber, the end cap peg graft in the shower nozzle, the lower extreme of elastic component peg graft in the second annular chamber, the upper end of elastic component support in the end cap, the lower extreme of communicating pipe communicate in the appearance chamber of bottle, the upper end communicate in the lumen of pipe body.

2. The multi-dose gel vacuum pump drug delivery device according to claim 1, wherein a pump body piston is further arranged in the bottle body, the pump body piston is in sealing and movable abutting connection with the side wall of the containing cavity of the bottle body, and an air inlet hole is further formed in the bottom of the bottle body.

3. The multi-dose gel vacuum pump administration set as claimed in claim 2, wherein a fourth annular cavity is further provided at the lower end of the pump body, and the open end of the bottle body is clamped in the fourth annular cavity.

4. The multi-dose gel vacuum pump administration set as claimed in claim 2, wherein the outer wall of the lower end of the nozzle is further provided with a clamping protrusion, the inner wall of the upper end of the first tube body is further provided with a clamping groove, and the clamping protrusion is clamped in the clamping groove.

5. The device of claim 4, wherein the lower end surface of the end cap is further provided with an annular groove, and the upper end of the elastic member is inserted into the annular groove.

6. The device of claim 1, wherein a limiting rod is further disposed in the lumen of the tube body, a fifth annular cavity is formed between the limiting rod and the wall of the tube body, and the communicating tube is inserted into the fifth annular cavity.

7. The device of claim 6, wherein the lower end of the tube body is in an expanded conical shape, the outer edge of the lower end of the tube body elastically abuts against the inner wall of the third tube body, and the end cap is further provided with an opening communicated with the lumen of the tube body.

8. A multi-dose gel vacuum pump administration set as claimed in claim 1, wherein the resilient member is a spring.

9. A multi-dose gel vacuum pump administration set as claimed in any one of claims 1 to 8, wherein the upper end of the first tube body is further connected with a dust cap, the dust cap being provided externally of the spray head.

10. The multiple dose gel vacuum pump dispensing apparatus of claim 9 wherein said dust cap, said spray head, said pump body, said bottle are PP and said piston is LLDPE.

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