CN207876351U - Hermetic bag mouth and pack for liquids - Google Patents

Abstract

The utility model provides a kind of hermetic bag mouth and pack for liquids, belong to packing technique field, hermetic bag mouth includes bag mouth body and the lid for sealing bag mouth body, lid is removably sleeved on the outside of bag mouth body, the fixation disk for fixing lid is provided in bag mouth body, the outside of lid is provided with the mounting disc for being connected and fixed with fixed disk, mobilizable in bag mouth body to be installed with for sealing bag mouth body nonreturn valve core, the top of lid is additionally provided with the hold-down column for pressing nonreturn valve core.Pack for liquids includes bag body for holding liquid and uses the hermetic bag mouth.Hermetic bag mouth and pack for liquids provided by the utility model, the setting of nonreturn valve core ensure that pack for liquids in sealing, leakproofness at the bag mouth of packaging bag, prevent the generation leakage sepage at the sack of flexible package punch, making leakproofness at bag mouth, more preferably the utility model is simple in structure and cost of manufacture is cheap.

Description

Hermetic bag mouth and pack for liquids

Technical field

The utility model belongs to packing technique field, is to be related to a kind of hermetic bag mouth and pack for liquids more specifically.

Background technology

Currently, the Soft Roll packaging bag in flexible package punch mostly using sealing is packed, Soft Roll packaging bag, which has, to be finished The packaging bag also has the value recycled, Soft Roll packaging bag that cost of manufacture is made using soft plastic material after liquid in bag It is low, moreover it is possible to reduce pollution of the vial to environment, existing packaging bag includes for holding the bag body of liquid and being arranged in bag body On bag mouth for being packed into and pouring out liquid, but that there is bag mouths is poorly sealed close after capping for existing pack for liquids, The problem of there is leakage sepages at the bag mouth of pack for liquids, so as to cause being lost after the liquid ingress of air in packaging bag Effect.

Utility model content

The purpose of this utility model is to provide a kind of hermetic bag mouth and pack for liquids, it is intended to solve in the prior art The bag mouth of pack for liquids is poorly sealed close, there are problems that leakage sepage at bag mouth.

To achieve the above object, the technical solution adopted in the utility model is：A kind of hermetic bag mouth, including bag mouth sheet are provided Body and lid for sealing the bag mouth body, the lid are removably sleeved on the outside of the bag mouth body, special Sign is：The fixation disk for fixing the lid is provided in the bag mouth body, the outside of the lid, which is provided with, to be used for The mounting disc connected and fixed with the fixed disk, in the liquid outlet of the bag mouth body it is mobilizable be installed with it is described for sealing The nonreturn valve core of liquid outlet, the top of the lid are additionally provided with the compression for being sealed in the nonreturn valve core at liquid outlet Column.

Further, the nonreturn valve core includes sealing for sealing the liquid outlet and is used for and the bag mouth sheet The clamping portion that body connects and fixes.

Further, being internally provided with for the bag mouth body exists with the sealing hole of sealing cooperation installation and setting For being clamped the fixed groove for installing the clamping portion, the sealing and the sealing hole are circle for the lower part of the sealing hole Taper.

Further, the fixed card buckle for being connected and fixed with the fixed disk is provided in the mounting disc, it is described solid The fixed card slot for locking the fixing card buckle is provided on price fixing.

Further, the fixed card buckle include for the card of the fixed disk clamping and vertical with the fixed disk Guide pin for connecting the card and the mounting disc is set, and the card is arranged in parallel with the fixed disk.

Further, the fixed card slot include for the card by recessing groove and for matching with the guide pin Guide groove that is fixed and being adapted to the guide pin width is closed, the width of the recessing groove is more than the width at the guide groove Degree.

Further, the border of the mounting disc is additionally provided with for preventing the lid from rotating backward and removably The retaining ring being fixed in the mounting disc is provided with the lock of the reversed dip along the lid rotation direction in the retaining ring Tight hangnail, the border of the fixed disk are provided with the hangnail card slot clamped with the locking hangnail.

Further, it is evenly provided with tie point between the retaining ring and the lid, is also set in the retaining ring Be equipped with for breaking gap convenient for disconnect the tie point, it is described break opening position and be provided with break handle.

Further, it is additionally provided on the side wall of the lid for the anti-skid bulge convenient for the rotation lid, it is described Axial direction setting of the anti-skid bulge along the lid.

The advantageous effect of hermetic bag mouth provided by the utility model is：Compared with prior art, the utility model seals Bag mouth, by the way that mobilizable nonreturn valve core being installed in bag mouth body is arranged inside bag mouth body, and on the top of lid Hold-down column for pressing nonreturn valve core is set, and mounting disc and setting in lid oral area is arranged in the bag mouth by crossing in lid Fixation disk on ontology connects and fixes mutually, and in lid and bag mouth body fixation, the hold-down column being arranged on lid is same When by the nonreturn valve core being arranged in bag mouth body compress, make at bag mouth body keep sealing, when lid is opened, nonreturn valve core It can be opened under the pressure effect inside packaging bag, the setting of nonreturn valve core ensure that liquid by squeezing pack for liquids Body packaging bag is in sealing, the leakproofness at the bag mouth of packaging bag, it is therefore prevented that leakage sepage occurs at the sack of flexible package punch, Making leakproofness at bag mouth, more preferably the utility model is simple in structure easy to use and cost of manufacture is cheap.

The utility model also provides a kind of pack for liquids, includes the bag body for holding liquid, further includes any one Above-mentioned hermetic bag mouth, the hermetic bag mouth are tightly connected with the bag body.

The advantageous effect of pack for liquids provided by the utility model is：As a result of the hermetic bag mouth, hermetic bag The setting of nonreturn valve core on mouth ensure that pack for liquids in sealing, the leakproofness at the bag mouth of packaging bag, it is therefore prevented that Leakage sepage occurs at the sack of flexible package punch, making leakproofness at bag mouth, more preferably the utility model is simple in structure easy to use And cost of manufacture is cheap.

Description of the drawings

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.

Fig. 1 is the configuration schematic diagram for the hermetic bag mouth that the utility model embodiment provides；

Fig. 2 is the enlarged structure schematic diagram in the portions A in Fig. 1；

Fig. 3 is the schematic cross-sectional view for the hermetic bag mouth that the utility model embodiment provides；

Fig. 4 is the schematic cross-sectional view for the pack for liquids that the utility model embodiment provides.

In figure：1, bag mouth body；11, fixed disk；12, fixed card slot；121, recessing groove；122, guide groove；13, it seals Hole；14, fixed groove；15, hangnail card slot；2, lid；21, mounting disc；22, fixed card buckle；221, guide pin；222, card； 223, anti-skid bulge；23, retaining ring；231, hangnail is locked；232, gap is broken；233, handle is broken；24, tie point；25, it presses Tight column；3, nonreturn valve core；31, sealing；32, clamping portion；4, bag body.

Specific implementation mode

In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply 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 this feature.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.

Also referring to Fig. 1 to Fig. 4, now hermetic bag mouth provided by the utility model is illustrated.The hermetic bag mouth, Lid 2 including bag mouth body 1 and for sealing bag mouth body 1, lid 2 are removably sleeved on the outside of bag mouth body 1, bag The fixation disk 11 for fixing lid 2 is provided on mouth ontology 1, the outside of lid 2 is provided with for solid with the fixed clamping of disk 11 Fixed mounting disc 21, mobilizable liquid outlet being installed with for sealing bag mouth body 1 is unidirectional in the liquid outlet of bag mouth body 1 Spool 3, the top of lid 2 are additionally provided with the hold-down column 25 for being sealed in nonreturn valve core 3 at liquid outlet, lid 2 and bag mouth When ontology 1 connects and fixes, nonreturn valve core 3 is in bag mouth body 1 and presses means of press seals under the action of hold-down column 25.

Hermetic bag mouth provided by the utility model, compared with prior art, the utility model hermetic bag mouth, by bag mouth Mobilizable individual event spool being installed in bag mouth body 1 is arranged in 1 inside of ontology, and is arranged for pressing on the top of lid 2 Nonreturn valve core 3, lid 2 is by crossing the mounting disc 21 and the fixation disk that is arranged in the bag mouth body 1 that are arranged in 2 oral area of lid 11 connect and fix mutually, and lid 2 and the mounting disc 21 for being arranged in 2 oral area of lid are integrated injection molding, bag mouth body 1 with it is fixed Disk 11 is also integrated injection molding, keeps lid 2 and the fixation more secure seal of bag mouth body 1 better, in lid 2 and bag When mouth 1 fixation of ontology, the hold-down column 25 being arranged on lid 2 simultaneously presses the nonreturn valve core 3 being arranged in bag mouth body 1 Tightly, make to keep sealing at bag mouth body 1, when lid 2 is opened, nonreturn valve core 3 can be by squeezing pack for liquids, in packaging bag It can be opened under internal pressure effect, the setting of nonreturn valve core 3 ensure that pack for liquids in sealing, the bag mouth of packaging bag The leakproofness at place, it is therefore prevented that leakage sepage occurs at the sack of flexible package punch, makes leakproofness at bag mouth more preferably, this practicality is newly Type is simple in structure easy to use and cost of manufacture is cheap.

Further, also referring to Fig. 3, a kind of specific embodiment party as hermetic bag mouth provided by the utility model Formula, nonreturn valve core 3 include the sealing 31 of the liquid outlet for sealing bag mouth body 1 and for being connected and fixed with bag mouth body 1 Clamping portion 32, the cross-sectional area of sealing 31 is circle, and the lower part of sealing 31, clamping portion 32 and sealing is arranged in clamping portion 32 Portion 31 is integrated injection molding, and clamping portion 32 is two elastic card claws being arranged in 31 bottom of sealing, and elastic card claw is movable Be connected to inside bag mouth body 1, convenient for the installation of nonreturn valve core 3, the setting of clamping portion 32 ensure that for the setting of elastic card claw The mobilizable inside for being connected to bag mouth body 1 in a free state of nonreturn valve core 3, will not fall off inside bag mouth body 1 or Person falls into packaging bag, and one-way cock is easy to use easy for installation using this structure and avoids the abjection loss of nonreturn valve core 3 Or fall into packaging bag, it is that the use of this hermetic bag mouth is more safe and reliable.

Further, referring to Fig. 3, a kind of specific implementation mode as hermetic bag mouth provided by the utility model, bag Being internally provided with the sealing hole 13 installed with the cooperation of sealing 31 and being arranged for mouth ontology 1 is used to be clamped in the lower part of sealing hole 13 The fixed groove 14 of clamping portion 32 is installed, sealing 31 and sealing hole 13 are cone, and sealing hole 13 is round taper hole, circle The upper diameter of bellmouth is sequentially reduced from top to bottom, and sealing hole 13 makes the sealing 31 of nonreturn valve core 3 press using round taper hole Keep the combination of sealing 31 and sealing hole 13 even closer when being pressed downward under the action of tight column 25, the sealing of nonreturn valve core 3 is made to imitate Fruit is more.

Further, it please refers to Fig.1 and Fig. 2, a kind of specific embodiment party as hermetic bag mouth provided by the utility model Formula is provided with the fixed card buckle 22 for being connected and fixed with fixed disk 11 in mounting disc 21, is provided on fixed disk 11 for locking The fixed card slot 12 of buckle 22 is fastened, protrusion, fixed card buckle 22 and the fixed disk 11 are additionally provided in fixed card buckle 22 The self-locking twill for locking 2 body of the lid is additionally provided on contact surface.On fixed disk 11 and the contact surface of fixed card buckle 22 It is provided with and coordinates fixed self-locking twill with self-locking twill, it is V-type and disposed in parallel recessed that self-locking twill, which is several cross sections, The setting of slot, self-locking twill makes, and the fixation between fixed card buckle 22 and fixed disk 11 is more secured, passes through when lid 2 is fixed The fixed card buckle 22 being arranged on fixed disk 11 is fixed with the fixed card slot 12 being arranged in mounting disc 21, makes lid 2 Fixed operation is more convenient, is that the fixation between lid 2 and bag mouth body 1 is more secured, is also set up in fixed card buckle 22 There is protrusion, pit corresponding with protrusion is provided on fixed card slot 12, when fixed card slot 12 and 22 fixation of fixed card buckle Afterwards, protrusion can be resisted against in pit, prevented the sliding abjection out of fixed card slot 12 of fixed card buckle 22, made fixed card buckle 22 and fix The fixation of card slot 12 is more secured.

Further, it please refers to Fig.1 and Fig. 2, a kind of specific embodiment party as hermetic bag mouth provided by the utility model Formula, fixed card buckle 22 include for being vertically arranged for connecting card with the card 222 for fixing the clamping of disk 11 and with fixed disk 11 222 are arranged in parallel with the guide pin 221 of mounting disc 21, card 222 with fixation disk 11, card 222, guide pin 221 and mounting disc 21 are integrated injection molding, are made between fixed card buckle 22 and mounting disc 21 more securely using integrated molding, fixed card buckle 22 is adopted Keep fixed card buckle 22 and the fixed operation of fixed card slot 12 more convenient with such structure.

Further, it please refers to Fig.1 and Fig. 2, a kind of specific embodiment party as hermetic bag mouth provided by the utility model Formula, fixed card slot 12 include for card 222 by recessing groove 121 and for guide pin 221 coordinate it is fixed and with lead The guide groove 122 being adapted to 221 width of piece, the width of recessing groove 121 is more than the width at guide groove 122, in fixed card buckle 22 Lid 2 is inserted downwardly into the card 222 in bag mouth body 1 until fixed card buckle 22 when installation to pass through from recessing groove 121, so After rotate clockwise lid 2, guide pin 221 is rotated in the guide groove 122 of fixed card slot 12, at this time card 222 with it is fixed Lid 2 is fixed on fixed disk 11 by the mutually clamping of disk 11, and fixed card slot 12 is adopted the structure to be made with the cooperation of fixed card buckle 22 With keeping fixed card buckle 22 and the fixed operation of fixed card slot 12 more convenient.

Further, it please refers to Fig.1 and Fig. 2, a kind of specific embodiment party as hermetic bag mouth provided by the utility model The border of formula, mounting disc 21 is additionally provided with for preventing lid 2 from rotating backward and being detachably mounted in mounting disc 21 Retaining ring 23 is provided with the locking hangnail 231 of the reversed dip along 2 rotation direction of lid, the week of fixed disk 11 in retaining ring 23 Circle is provided with the hangnail card slot 15 clamped with locking hangnail 231, after fixed card buckle 22 clamps in place with fixed card slot 12, setting Locking hangnail 231 in retaining ring 23 also snaps fitted in hangnail card slot 15 simultaneously, and being needed when needing to open lid 2 will locking Ring 23 is removed from fixed disk 11 could open lid 2, and the setting of retaining ring 23 makes bag mouth body 1 with lid 2 in fixation After disposably fixed, ensure that while hermetic bag mouth leakproofness also to have prevents from packaging bag liquid to be replaced having Certain antiforge function.

Further, it please refers to Fig.1 and Fig. 2, a kind of specific embodiment party as hermetic bag mouth provided by the utility model Formula is evenly provided with tie point 24 between retaining ring 23 and mounting disc 21, be additionally provided in retaining ring 23 for being convenient for connect What contact 24 disconnected breaks gap 232, breaks to be provided at gap 232 and breaks handle 233, retaining ring 23 and mounting disc 21 and sets It sets the tie point 24 between tight ring and lid 2 and is integrated injection molding, retaining ring 23, which is provided with, breaks gap 232, is sealing When bag mouth needs to open, it is only necessary to which breaking that handle 233 breaks retaining ring 23 from tie point 24 can be by retaining ring 23 It is removed from mounting disc 21, so that lid 2 is rotated in the opposite direction and detach fixed card buckle 22 with fixed card slot 12, to cover Body 2 is opened, and the setting of retaining ring 23 makes bag mouth body 1 disposably be fixed after fixation with lid 2, ensure that close Also with preventing in packaging bag liquid to be replaced with certain antiforge function while envelope mouth leakproofness, retaining ring 23 uses Such structure is convenient to use.

Further, referring to Fig. 2, a kind of specific implementation mode as hermetic bag mouth provided by the utility model, lid It is additionally provided on the side wall of body 2 for the anti-skid bulge 223 convenient for rotation lid 2, the axial setting of 223 lid 2 of anti-skid bulge, Anti-skid bulge 223 is set on the side wall of lid 2, keeps the rotation of lid 2 more convenient.

The utility model also provides a kind of pack for liquids.Referring to Fig. 4, pack for liquids includes for holding liquid Bag body 4 further includes the above-mentioned hermetic bag mouth of any one, and hermetic bag mouth is tightly connected with bag body 4, and hermetic bag mouth is adopted with bag body 4 It is tightly connected with thermoplastic, the connection handle for being connect with bag body 4 is additionally provided on hermetic bag mouth, sealing is additionally provided on connection handle Line, sealing the setting of line keeps bag body 4 and the fixation of hermetic bag mouth even closer securely, makes the junction of bag body 4 and hermetic bag mouth Leakproofness is more preferably.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle Within the scope of shield.

Claims (10)

1. a kind of hermetic bag mouth, including bag mouth body and the lid for sealing the bag mouth body, the lid are dismountable It is sleeved on the outside of the bag mouth body, it is characterised in that：It is provided in the bag mouth body for fixing consolidating for the lid Price fixing, the outside of the lid are provided with the mounting disc for being connected and fixed with the fixed disk, and the bag mouth body goes out liquid Mobilizable nonreturn valve core being installed with for sealing the liquid outlet in mouthful, the top of the lid are additionally provided with for by institute State the hold-down column that nonreturn valve core is sealed at liquid outlet.

2. hermetic bag mouth as described in claim 1, it is characterised in that：The nonreturn valve core includes for sealing the liquid outlet Sealing and clamping portion for being connected and fixed with the bag mouth body.

3. hermetic bag mouth as claimed in claim 2, it is characterised in that：The bag mouth body is internally provided with and the sealing The sealing hole and be arranged in the lower part of the sealing hole for being clamped the fixed groove for installing the clamping portion, institute that portion's cooperation is installed It is cone that sealing, which is stated, with the sealing hole.

4. hermetic bag mouth as described in claim 1, it is characterised in that：Be provided in the mounting disc for the fixed disk The fixed card buckle connected and fixed is provided with the fixed card slot for locking the fixing card buckle on the fixed disk.

5. hermetic bag mouth as claimed in claim 4, it is characterised in that：The fixed card buckle include for the fixed disk card The card that connects and be vertically arranged the guide pin for connecting the card and the mounting disc with the fixed disk, the card with The fixed disk is arranged in parallel.

6. hermetic bag mouth as claimed in claim 5, it is characterised in that：The fixed card slot include for the card by Recessing groove and for coordinating guide groove that is fixed and being adapted to the guide pin width with the guide pin, the recessing groove Width is more than the width at the guide groove.

7. hermetic bag mouth as described in claim 1, it is characterised in that：The border of the mounting disc is additionally provided with for preventing The retaining ring that lid is rotated backward and is detachably mounted in the mounting disc is stated, is provided with along described in the retaining ring The locking hangnail of the reversed dip of lid rotation direction, the border of the fixed disk is provided with falls with what the locking hangnail clamped Pierce card slot.

8. hermetic bag mouth as claimed in claim 7, it is characterised in that：Uniformly it is arranged between the retaining ring and the lid There is tie point, is additionally provided in the retaining ring for breaking gap convenient for disconnect the tie point, it is described to break gap Place, which is provided with, breaks handle.

9. hermetic bag mouth as described in claim 1, it is characterised in that：It is additionally provided on the side wall of the lid for convenient for rotation Turn the anti-skid bulge of the lid, axial direction setting of the anti-skid bulge along the lid.

10. a kind of pack for liquids includes the bag body for holding liquid, it is characterised in that：It further include such as claim 1 to 9 Any one of described in hermetic bag mouth, the hermetic bag mouth and the bag body are tightly connected.