CN208897694U - A kind of sealing element and balling iron of balling iron - Google Patents

Abstract

The utility model provides a kind of sealing element of balling iron, including boss and the seal for being connected to the boss, the seal includes notch portion, encloses set on the convex shoulder of the notch portion, the notch portion offers the chamber for accommodating the boss, the convex shoulder can be radially contracted when the boss is pressurized, and the outer rim of the convex shoulder is extended outward horizontally so as to form the sealing lip for abutting sealed vial inner wall.The utility model additionally provides a kind of balling iron, the sealing element including medicine bottle and aforementioned balling iron.The utility model is novel in design, structure is simple, improves the sealing effect and practical ranges of balling iron.

Description

A kind of sealing element and balling iron of balling iron

Technical field

The utility model relates to fluid seal technical fields, sealing element and throwing in particular to a kind of balling iron Medicine device.

Background technique

In sewage treatment field, liquid preparation is usually put in appropriate containers, is thrown by the modes such as spraying or squeezing It is put into designated position.Under normal circumstances, medicament is packed into medicine bottle first, then sealing element is installed, medicament can thus be sealed You is filled in medicine bottle.Sealing element usually uses the materials such as vulcanized rubber to be made, and not only will not influence the physicochemical property of medicament, but also assign Its certain elasticity has preferable sealing effect.

But medicament usually requires to store under preferable air-proof condition, to prevent its ingress of air from causing the rotten of medicament Or other possible pollutions.Existing elastic sealing element uses the increase of time with medicine bottle, is also easy to produce deformation, sealing effect compared with Difference, and its smaller scope of application, corrosive medicament can generate certain corrosion to drug-vial seal.

Utility model content

The utility model provides the sealing element and balling iron of a kind of balling iron, it is intended to improve existing balling iron sealing element Leakproofness effect is poor, the small problem of application range.

The utility model is realized in this way:

A kind of sealing element of balling iron including boss and is connected to the close of the boss for sealing the medicine bottle of balling iron Feng Ti, the seal include notch portion, enclose set on the convex shoulder of the notch portion, and the notch portion is offered for accommodating The chamber of boss is stated, the convex shoulder can be radially contracted when the boss is pressurized, and the outer rim of the convex shoulder is outside Horizontal extension forms the sealing lip for abutting sealed vial inner wall.

Further, the groove for external pressing piece is offered in the boss, is formed on the inner wall of the groove and is set There is internal screw thread.

Further, the notch portion on along inwardly wall is convexly equipped with, the boss and the wall inner seal connect It connects.

Further, the seal has the first surface and second surface being oppositely arranged, and the second surface is close Liquid medicine, the second surface are equipped with erosion resistant coating.

Further, the material of the seal is rubber.

Further, the erosion resistant coating material is Teflon.

Further, the seal and erosion resistant coating are bonded by heat cure adhesive.

Further, the notch portion has positioned at the first inner arc of the first surface and positioned at the first of second surface Outer arc, the radius of first inner arc are 5-20mm, and the radius of first outer arc is 8-30mm, and the convex shoulder includes the Two inner arcs and the second outer arc, under non-pressured state, the radius of second inner arc is 3-10mm.

Further, the seal is with a thickness of 2-5mm.

The utility model additionally provides a kind of balling iron, the sealing element including medicine bottle and balling iron as described above, described The sealing element lid of balling iron closes the bottle mouth position in the medicine bottle.

The beneficial effects of the utility model are: the sealing element for the balling iron that the utility model obtains by above-mentioned design, institute The convex shoulder for stating seal can be radially contracted, and the sealing lip abuts medicine bottle inner wall, to further increase sealing effect. It is flowed out in use, fluid is pressurized by pressing the boss, in the medicine bottle from medicine bottle bottom pipe, after removing pressure, medicine bottle Interior pressure increases rapidly and inversely sucks air from bottom pipe, and the sealing element is realized rebound under elastic-restoring force, is convenient for It is administered next time.

Detailed description of the invention

It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.

Fig. 1 is the longitudinal sectional view of the sealing element of balling iron provided by the embodiment of the utility model；

Fig. 2 is the longitudinal sectional view of boss in the sealing element of balling iron.

Icon: 1- boss；11- groove；12- internal screw thread；2- seal；21- notch portion；The convex shoulder 22-；23- sealing lip； 24- wall；25- first surface；The first inner arc of 251-；The second outer arc of 252-；26- second surface；The first outer arc of 261-；262- Second inner arc；3- erosion resistant coating.

Specific embodiment

It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

Embodiment 1, referring to Fig.1, shown in 2, the utility model provides a kind of sealing element of balling iron, for sealing dispensing The medicine bottle of device, including boss 1 and the seal 2 for being connected to the boss 1.

Optionally, referring to shown in Fig. 2, offering the groove 11 for external pressing piece in the boss 1, described in formation The inner wall of groove 11 is equipped with internal screw thread 12.In use, can be by connecting external pressing piece, convenient pressing or pulling The seal 2.The pressing piece can be handle, be also possible to cock body, snap ring and other movable parts.

The seal 2 includes notch portion 21, encloses set on the convex shoulder 22 of the notch portion 21, and the notch portion 21 opens up There is the chamber for accommodating the boss 1, the convex shoulder 22 can be radially contracted and described when the boss 1 is pressurized The outer rim of convex shoulder 22 is extended outward horizontally so as to form the sealing lip 23 for abutting sealed vial inner wall.The seal 2 is bullet Property element, size is slightly larger than medicine bottle bottleneck diameter, and the radial contraction of the convex shoulder 22 provides reverse elasticity active force so that It is in close contact between the sealing lip 23 and the body inner wall, further increases sealing effect.

Optionally, shown in referring to Fig.1, the material of the seal 2 be can be as rubber, be also possible to polyurethane etc. other Elastic material.

Optionally, shown in referring to Fig.1, along being inwardly convexly equipped with wall 24 in the notch portion 21, the boss 1 with it is described The connection of 24 inner seal of wall, guarantees that the boss 1 is not easy to fall in drawing process repeatedly.

Optionally, shown in referring to Fig.1, the seal 2 has the first surface 25 and second surface 26 being oppositely arranged, institute First surface 25 is stated close to the boss 1, the second surface 26 is equipped with erosion resistant coating 3 close to liquid medicine, the second surface 26.

Optionally, shown in referring to Fig.1, other are resistance to can be Teflon, teflon carbon fiber etc. for 3 material of erosion resistant coating Corrosion material.

Optionally, shown in referring to Fig.1, the seal 2 and erosion resistant coating 3 are bonded by heat cure adhesive.

Optionally, shown in referring to Fig.1, the notch portion 21 has 251 He of the first inner arc positioned at the first surface 25 Positioned at the first outer arc 261 of second surface 26, the radius of first inner arc 251 is 5-20mm, the half of first outer arc 261 Diameter is 8-30mm.

Optionally, shown in referring to Fig.1, the convex shoulder 22 includes the second inner arc 262 and the second outer arc 252, be not pressurized Under state, the radius of second inner arc 262 is 3-10mm.

Optionally, shown in referring to Fig.1, the seal 2 is close with the medicine bottle and the balling iron with a thickness of 2-5mm Sealing is adapted.

The utility model additionally provides a kind of balling iron, the sealing element including medicine bottle and balling iron as described above, described The sealing element lid of balling iron closes the bottle mouth position in the medicine bottle.The medicine bottle bottom is provided with liquid outlet pipe, the liquid outlet pipe Check valve is inside set, by pressing the sealing element of the balling iron, the medicament can be made to flow out from the liquid outlet pipe.

Working principle: the sealing element for the balling iron that the utility model obtains by above-mentioned design during installation can be in institute It states and connects the pressing pieces such as handle at the groove 11 in boss 1, the sealing element of the balling iron is installed on drug upper wall.Administration When, by pressing the boss 1, fluid in the medicine bottle is made to be pressurized from the outflow of medicine bottle bottom liquid outlet pipe, the convex shoulder 22 Guarantee the sealed environment in medicine bottle with sealing lip 23.The erosion resistant coating 3 avoids sealing of the corrosivity medicament to the balling iron The corrosion of part bring and damage.The drug bottom pipe is provided with check valve, and after removing pressure, pressure is increased rapidly in medicine bottle And air is inversely sucked from bottom pipe, the sealing element of the balling iron is sprung back under elastic-restoring force, convenient for being administered next time.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of sealing element of balling iron including boss (1) and is connected to the close of the boss for sealing the medicine bottle of balling iron It seals body (2), which is characterized in that the seal (2) includes notch portion (21), encloses the convex shoulder set on the notch portion (21) (22), the notch portion (21) offers the chamber for accommodating the boss (1), and the convex shoulder (22) can be described convex Platform (1) is radially contracted when being pressurized, and the outer rim of the convex shoulder (22) is extended outward horizontally so as to form for abutting sealed vial The sealing lip (23) of inner wall.

2. the sealing element of balling iron according to claim 1, which is characterized in that offered in the boss (1) for outer The groove (11) for connecing pressing piece, the inner wall for forming the groove (11) are equipped with internal screw thread (12).

3. the sealing element of balling iron according to claim 1, which is characterized in that the upper edge of the notch portion (21) is to convex Equipped with wall (24), the boss (1) connect with the wall (24) inner seal.

4. the sealing element of balling iron according to claim 1, which is characterized in that the seal (2), which has, to be oppositely arranged First surface (25) and second surface (26), close to liquid medicine, the second surface (26) is equipped with the second surface (26) Erosion resistant coating (3).

5. the sealing element of balling iron according to claim 1, which is characterized in that the material of the seal (2) is rubber.

6. the sealing element of balling iron according to claim 4, which is characterized in that erosion resistant coating (3) material is Teflon.

7. the sealing element of balling iron according to claim 4, which is characterized in that the seal (2) and erosion resistant coating (3) are logical It crosses heat vulcanizate and sticks agent bonding.

8. the sealing element of balling iron according to claim 4, which is characterized in that the notch portion (21) has positioned at described The first inner arc (251) of first surface (25) and the first outer arc (261) for being located at second surface (26), first inner arc (251) radius is 5-20mm, and the radius of first outer arc (261) is 8-30mm, and the convex shoulder (22) includes in second Arc (262) and the second outer arc (252), under non-pressured state, the radius of second inner arc (262) is 3-10mm.

9. the sealing element of balling iron according to claim 1, which is characterized in that the seal (2) is with a thickness of 2-5mm.

10. a kind of balling iron, which is characterized in that the sealing element of the balling iron including medicine bottle and as described in claim 1-9 is any, The sealing element lid of the balling iron closes the bottle mouth position in the medicine bottle.