CN211253567U

CN211253567U - Tectorial membrane piston

Info

Publication number: CN211253567U
Application number: CN201922314304.6U
Authority: CN
Inventors: 马东风; 李向阳; 王备战; 代高峰
Original assignee: Zhengzhou Aoxiang Pharmaceutical Packing Co ltd
Current assignee: Zhengzhou Aoxiang Pharmaceutical Packing Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-14
Anticipated expiration: 2029-12-20

Abstract

The utility model belongs to the technical field of pistons, in particular to a film-coated piston, which comprises a bottle body, wherein the top of the bottle body is provided with a bottle mouth, the inner wall of the bottle mouth is fixedly connected with an internal thread, the surface thread of the internal thread is connected with an external thread, and the top of the external thread is fixedly connected with a bottle cap; the utility model discloses, through setting up the tectorial membrane piston, on the one hand the material with the help of the tectorial membrane piston, can ensure the drug quality, avoid influencing the drug activity, prevent that the medicine from becoming invalid, on the other hand can seal the bottleneck, avoid the medicine to volatilize or the condition that pollutes appears, the device is through setting for the material of tectorial membrane piston, the problem of traditional piston and medicine contact influence drug quality has been avoided, adopt the sealing ring simultaneously, first slider, the second slider, first spout, second spout and third spout, realized changing the convenient dismouting of tectorial membrane piston, reached the purpose of saving cost and facilitate the use, whole device is rational in infrastructure, therefore, the clothes hanger is strong in practicability.

Description

Tectorial membrane piston

Technical Field

The utility model belongs to the technical field of the piston, concretely relates to tectorial membrane piston.

Background

At present, high-activity medicines such as vaccines, biological agents and gene medicines are especially high-grade medicines, the medicines provide higher requirements for medicine packaging, especially rubber pistons in direct contact with the medicines, when a traditional piston is in contact with the medicines, a series of adverse reactions are caused probably because small molecular substances in a rubber plug migrate out or a silicon oil layer coated on the surface of the piston is in contact with the medicines, the medicine activity is reduced and even loses efficacy, the medicine storage quality is not favorably ensured, the use cost is greatly increased, great inconvenience is brought to use, and when the traditional piston is damaged, most of the traditional piston needs to be abandoned together with the bottle cap, the piston cannot be replaced, and the guarantee cost is not favorably saved.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a tectorial membrane piston has the change of being convenient for and convenient to use's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tectorial membrane piston, includes the bottle, the top of bottle is provided with the bottleneck, bottleneck inner wall fixed connection has the internal thread, internal screw thread surface threaded connection has the external screw thread, the top fixedly connected with bottle lid of external screw thread, the second spout has been seted up to the bottom of bottle lid, the third spout has been seted up to the top of second spout, first spout has been seted up to the side of second spout, sliding connection has first slider and second slider respectively in first spout and the second spout, the bottom fixedly connected with tectorial membrane piston of second slider, tectorial membrane piston joint is inside the bottleneck, first slider fixed connection is in the side of second slider.

Preferably, the bottom of the bottle cap is provided with an annular clamping groove, and the annular clamping groove is clamped with the bottle opening.

Preferably, the bottom of the external thread is fixedly connected with a sealing ring, and the sealing ring is lapped with the film coating piston.

Preferably, the front side and the rear side of the inner wall of the third sliding groove are fixedly connected with positioning blocks, the side face of the first sliding block is provided with a positioning groove, and the positioning blocks are clamped with the positioning groove.

Preferably, the film-covered piston is chlorinated butyl rubber or brominated butyl rubber, and the film in the film-covered piston is made of an ETFE film and an FTFE film which have high barrier property and the breaking elongation of more than 400%.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model can ensure the medicine quality by the material of the film-coated piston, avoid influencing the medicine activity and prevent the medicine from losing efficacy, and can seal the bottle mouth to avoid the medicine from volatilizing or polluting, and has strong mechanical strength by adopting chlorinated butyl rubber or brominated butyl rubber and strong adhesive force with the film, and does not tear during forming, and by arranging the positioning groove and the positioning block, when the first slider is connected in the third chute in a sliding way, the positioning groove is connected with the positioning block in a clamping way by rotating the first slider, thereby realizing the fixation between the film-coated piston and the bottle cap, realizing the use of the film-coated piston, and by arranging the internal thread and the external thread, when the internal thread is connected or separated with the external thread, the film-coated piston can be driven by the bottle cap to be fixed or separated, thereby realizing the opening and the sealing of the bottle body, abandon the tradition and need pry the mode of separation with the help of external instrument to the tectorial membrane piston, it is laborsaving to save trouble, the device is through setting for the material of tectorial membrane piston, the problem of traditional piston and medicine contact influence medicine quality has been avoided, adopt sealing ring, first slider, second slider, first spout, second spout and third spout simultaneously, realized changing the convenient dismouting of tectorial membrane piston, reached the purpose of practicing thrift cost and facilitate the use, whole device is rational in infrastructure, therefore, the clothes hanger is strong in practicability.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

fig. 2 is a schematic structural view of the bottle cap in the present invention viewed from the bottom;

fig. 3 is a schematic structural diagram of a second slide block of the present invention viewed from above;

fig. 4 is an enlarged schematic structural view at a position a of the present invention;

in the figure: 1. a bottle body; 2. a bottle cap; 3. a film-covered piston; 4. a bottle mouth; 5. positioning blocks; 6. a third chute; 7. a first chute; 8. a second chute; 9. positioning a groove; 10. a first slider; 11. an annular neck; 12. an internal thread; 13. an external thread; 14. a seal ring; 15. and a second slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a film coating piston comprises a bottle body 1, a bottle mouth 4 is arranged at the top of the bottle body 1, an internal thread 12 is fixedly connected to the inner wall of the bottle mouth 4, an external thread 13 is connected to the surface of the internal thread 12 in a threaded manner, when the internal thread 12 and the external thread 13 are arranged and the internal thread 12 and the external thread 13 are in threaded connection or separation, a film coating piston 3 can be driven to be fixed or separated from the bottle mouth 4 through a bottle cap 2, so that the bottle body 1 is opened and closed, the traditional mode that the film coating piston 3 needs to be pried and separated by means of an external tool is abandoned, trouble and labor are saved, the bottle cap 2 is fixedly connected to the top of the external thread 13, a second sliding groove 8 is formed in the bottom of the bottle cap 2, a first sliding groove 7 and a second sliding groove 8 are formed, a first sliding block 10 and a second sliding block 15 can slide through and achieve the purpose of rotary clamping, the bottle mouth sealing device is characterized in that a third chute 6 is formed above the second chute 8, a first chute 7 is formed in the side face of the second chute 8, a first sliding block 10 and a second sliding block 15 are respectively connected in the first chute 7 and the second chute 8 in a sliding mode, a film-coated piston 3 is fixedly connected to the bottom of the second sliding block 15, the film-coated piston 3 is connected to the inside of the bottle mouth 4 in a clamping mode, the film-coated piston 3 is arranged, on one hand, the medicine quality can be guaranteed by means of the material of the film-coated piston 3, the medicine activity is prevented from being influenced, the bottle mouth 4 can be sealed on the other hand, the medicine volatilization or pollution is avoided, the first sliding block 10 is fixedly connected to the side face of the second sliding block 15, the device avoids the problem that the medicine quality is influenced by the contact of a traditional piston and the medicine by setting the material of the film-coated, Second slider 15, first spout 7, second spout 8 and third spout 6 have realized the convenient dismouting change to tectorial membrane piston 3, have reached the cost-effective and facilitate the use purpose, and whole device is rational in infrastructure, and the practicality is strong.

Specifically, ring groove 11 has been seted up to the bottom of bottle lid 2,

ring groove

11 and 4 joints of bottleneck, through

ring groove

11 and 4 lock joints of bottleneck, can further strengthen the fixity between tectorial membrane piston 3 and the bottleneck 4.

Specifically, the bottom fixedly connected with sealing ring 14 of external screw thread 13, sealing ring 14 and tectorial membrane piston 3 overlap joint through setting up sealing ring 14, can cooperate tectorial membrane piston 3 to improve the sealed effect to bottleneck 4.

Specifically, the equal fixedly connected with locating piece 5 of front side and the rear side of 6 inner walls of third spout, constant head tank 9 has been seted up to the side of first slider 10, locating piece 5 and constant head tank 9 joint through setting up constant head tank 9 and locating piece 5, when first slider 10 sliding connection is in third spout 6, through rotating first slider 10, make constant head tank 9 and 5 joints of locating piece, can reach the fixed between tectorial membrane piston 3 and the bottle lid 2, realize the use to tectorial membrane piston 3.

Specifically, tectorial membrane piston 3 is chlorinated butyl rubber or brominated butyl rubber, and the film in the tectorial membrane piston 3 adopts high barrier property, and the elongation at break is made at the ETFE film and the FTFE film of more than 400%, through adopting chlorinated butyl rubber or brominated butyl rubber, has strong cohesive force with the film, has stronger mechanical strength, does not take place to tear during the shaping.

The utility model discloses a theory of operation and use flow: the utility model discloses, during the use, at first make first slider 10 and second slider 15 pass first spout 7 and second spout 8 respectively and with be located third spout 6 in, rotate first slider 10, make constant head tank 9 on the first slider 10 and the 5 joints of locating piece in the third spout 6, realize fixing between tectorial membrane piston 3 and bottle lid 2, then make tectorial membrane piston 3 get into bottleneck 4, and through internal thread 12 and external screw thread 13 threaded connection, realize grafting between tectorial membrane piston 3 and the bottleneck 4, and seal once more through sealing ring 14, when bottle lid 2 is taken off to needs, make internal thread 12 and external screw thread 13 separate, take off bottle lid 2, and rotate tectorial membrane piston 3 and make first slider 10 rotate to first spout 7 departments, outwards stimulate tectorial membrane piston 3, it can to take off tectorial membrane piston 3 more renew tectorial membrane piston 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tectorial membrane piston, includes bottle (1), its characterized in that: a bottle mouth (4) is arranged at the top of the bottle body (1), an internal thread (12) is fixedly connected with the inner wall of the bottle mouth (4), the surface of the internal thread (12) is in threaded connection with an external thread (13), the top of the external thread (13) is fixedly connected with a bottle cap (2), a second sliding chute (8) is arranged at the bottom of the bottle cap (2), a third sliding chute (6) is arranged above the second sliding chute (8), a first sliding chute (7) is formed in the side surface of the second sliding chute (8), a first sliding block (10) and a second sliding block (15) are respectively connected in the first sliding chute (7) and the second sliding chute (8) in a sliding manner, the bottom of the second sliding block (15) is fixedly connected with a film-covered piston (3), the tectorial membrane piston (3) joint is inside bottleneck (4), first slider (10) fixed connection is in the side of second slider (15).

2. The film-covered piston of claim 1, wherein: the bottom of the bottle cap (2) is provided with an annular clamping groove (11), and the annular clamping groove (11) is clamped with the bottle opening (4).

3. The film-covered piston of claim 1, wherein: the bottom of the external thread (13) is fixedly connected with a sealing ring (14), and the sealing ring (14) is lapped with the film coating piston (3).

4. The film-covered piston of claim 1, wherein: the equal fixedly connected with locating piece (5) of front side and the rear side of third spout (6) inner wall, constant head tank (9) have been seted up to the side of first slider (10), locating piece (5) and constant head tank (9) joint.

5. The film-covered piston of claim 1, wherein: the film-coated piston (3) is chlorinated butyl rubber or brominated butyl rubber, and the film in the film-coated piston (3) is made of an ETFE film and an FTFE film which have high barrier property and elongation at break larger than 400%.