CN212100078U - Cover device for liquid packing box - Google Patents

Abstract

A box cover device for a liquid packaging box comprises a box cover device body with a sinking bobbin (2), wherein a penetrating part is arranged in the middle of the lower end of the sinking bobbin (2), an opening is formed in the middle of the penetrated part of the liquid packaging box through the sinking bobbin (2), the liquid packaging box is not penetrated into the liquid packaging box through the tooth form of the lower end face of the sinking bobbin (2), and therefore the liquid discharging effect in the liquid packaging box is improved.

Description

Cover device for liquid packing box

Technical Field

The utility model relates to a lid device for liquid packaging box, especially a lid device for liquid packaging box who is used for food liquid that adapts to.

Background

In the existing box cover device for the liquid packing box, the tooth shape sinking into the lower end surface part of the bobbin is penetrated into the liquid packing box, the method is suitable for the penetrated part of the liquid packing box with large area, and when the liquid packing box with small volume is used, the penetrated part has small area and the number of the penetrated tooth shape is small, thereby influencing the liquid discharging effect in the liquid packing box.

The technical scheme of the invention is made based on the technical problems, technical features and technical effects in the technical background of the applicant.

Disclosure of Invention

The object of the utility model is a lid device for liquid packaging box.

In order to overcome the technical defects, the utility model aims to provide a lid device for a liquid packaging box, which improves the liquid discharging effect in the liquid packaging box.

In order to achieve the purpose, the utility model adopts the technical proposal that: comprises a box cover device body with a sinking bobbin, and a puncturing part is arranged at the middle part of the lower end of the sinking bobbin.

The box cover device body is designed, and the middle part of the punctured part of the liquid packaging box forms an opening by sinking the bobbin, so that the liquid packaging box is not punctured into the liquid packaging box by the tooth form of the lower end surface part of the sinking bobbin any more, and the liquid discharging effect in the liquid packaging box is improved.

The utility model discloses a, according to the intermediate part at the position of being stabbed at liquid packaging box form the open-ended mode technical characteristic integrated on lid device body.

The utility model discloses a, according to the mode that forms the through-leakage hole at the intermediate part of the quilt thorn position at liquid packaging box technical characteristic is integrated on lid device body.

The utility model discloses a, lid device body sets up to still include the closing cap and contain the bobbin.

The utility model relates to a, the portion of stabbing sets up to point portion and point portion sets up to the conical body.

The utility model discloses a, contain the bobbin setting on liquid packaging box, be provided with the closing cap on containing the bobbin and be provided with between the closing cap and contain the bobbin and sink into the bobbin.

The utility model designs a sealing cover which comprises a cover part, a first driving claw part, a second driving claw part and a third driving claw part, wherein the lower side surface part of the inner wall of the cover part is respectively connected with the first driving claw part, the second driving claw part and the third driving claw part, the outer end head of the first driving claw part, the outer end head of the second driving claw part and the outer end head of the third driving claw part are respectively arranged to be distributed in an outward extending mode with the open edge part of the cover part, the upper side face part of the inner wall of the cover part is provided with a first thread body, the first driving claw part, the second driving claw part and the third driving claw part are respectively arranged to be in contact connection with the immersed bobbin and the first thread body is arranged to be connected with the contained bobbin, the cover part is arranged to be a cylindrical body with a blind hole, and the first driving claw part, the second driving claw part and the third driving claw part are respectively arranged to be U-shaped sheet bodies.

The utility model discloses a, it sets up to include the pipe portion to sink to the bobbin, first passive group claw portion, the passive group claw portion of second, the passive group claw portion of third, first spoke portion, the second spoke portion, third spoke portion and sharp portion and be provided with the second screw thread body in the lateral surface portion of pipe portion, the last side of the inner wall of pipe portion sets up respectively to be linked with first passive group claw portion, the passive group claw portion of second and the passive group claw portion of third and the downside part of the inner wall of pipe portion sets up respectively to be linked with the outer tip of first spoke portion, the outer tip of second spoke and the outer tip of third spoke portion, the inner tip of first spoke portion, the inner tip of second spoke portion and the inner tip of third spoke portion set up respectively to be linked with sharp portion and the tip portion sets up to be the outside extension distribution with the edge portion of the lower extreme port of pipe portion, the second screw thread body sets up to contain the hookup and the first passive group claw portion, the first, The second driven poking claw part and the third driven poking claw part are respectively connected with the sinking bobbin, the tube part is arranged to be a circular tubular body, the first driven poking claw part, the second driven poking claw part and the third driven poking claw part are respectively arranged to be sawtooth bodies, and the first spoke part, the second spoke part and the third spoke part are respectively arranged to be rectangular strip-shaped bodies.

The utility model discloses a, it sets up to including pipe portion to contain the bobbin, gasket portion and flange portion and the lower extreme port portion of pipe portion sets up to coupleing with gasket portion, the lower tip of the lateral surface of pipe portion sets up to coupleing and be provided with the fourth screw thread body at the upper end of the lateral surface of pipe portion with flange portion, inner wall at pipe portion is provided with the third screw thread body and the third screw thread body sets up to coupleing with sinking the bobbin, the fourth screw thread body sets up to coupleing and flange portion sets up to coupleing with the closing cap contact with the closing cap, gasket portion sets up to coupleing and pipe portion sets up to circular tubulose with liquid packaging box, gasket portion sets up to the U font platelike body and flange portion sets up.

The utility model discloses a, the first outer end of dialling the claw of initiative, the second is initiatively dialled the outer end of claw and the third is initiatively dialled the outer end of claw and is set up to 2-3mm with the distance between the open edge part of cover, the distance between the outer end of point portion and the edge part of the lower extreme port of pipe portion sets up to 3-4mm, the motion mode between first thread body and the fourth thread body sets up to be distributed corresponding with the motion mode between second thread body and the third thread body, the point portion sets up to be built-in hookup with pipe portion.

The utility model discloses a, the closing cap with contain the bobbin and sink into the bobbin and set up to distribute and the central line of closing cap according to the mode of top income open-ended, sink into the central line of bobbin and contain the central line setting of bobbin on same straight line, the fourth flank sets up to hookup with first flank, the third flank sets up to hookup with the second flank, first passive group claw portion sets up to dial the claw hookup with first initiative, the second is dialled the claw passively and is set up to dial the claw hookup with the second initiative, the third is passive group claw sets up to dial the claw hookup with the third initiative.

In this technical scheme, it is the basic part to sink into the bobbin, also the utility model discloses an essential technical feature, the closing cap is the functional unit with containing the bobbin, is the realization the utility model discloses a characteristic of other technological effects, lid, first initiative group claw portion, second initiative group claw portion, third initiative group claw portion, first flank, pipe portion, second flank, first passive group claw portion, second passive group claw portion, third passive group claw portion, first spoke, second spoke, third spoke, point portion, canal portion, gasket portion, third flank, fourth flank and flange portion's design of these technical features is the technical feature that accords with the patent law and implement the rule.

In the present invention, the lid device body having the opening formed in the middle portion of the liquid package box to be pierced is an important technical feature, and in the technical field of the lid device for the liquid package box, the terms in the present invention are explained and understood by the patent documents in the technical field, which are novel, inventive, and practical.

Drawings

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.

Figure 1 is a schematic view of the present invention,

figure 2 is a left side view of figure 1,

figure 3 is a right side view of figure 1,

figure 4 is a schematic structural view of the closure 1 of the present invention,

figure 5 is a right side view of figure 3,

figure 6 is a schematic view of the structure of the sinking bobbin 2 of the present invention,

figure 7 is a right side view of figure 6,

figure 8 is a schematic view of the structure of the containing bobbin 3 of the present invention,

figure 9 is a right side view of figure 8,

figure 10 is a perspective view of the installation of the present invention,

the pipe comprises a sealing cover-1, a sinking bobbin-2, a containing bobbin-3, a cover part-11, a first driving claw part-12, a second driving claw part-13, a third driving claw part-14, a first thread body-15, a pipe part-21, a second thread body-22, a first driven claw part-23, a second driven claw part-24, a third driven claw part-25, a first spoke part-26, a second spoke part-27, a third spoke part-28, a tip part-29, a pipe part-31, a gasket part-32, a third thread body-33, a fourth thread body-34 and a flange part-35.

Detailed Description

Terms such as "having," "including," and "comprising," as used herein with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and unless otherwise specified, the equipment and materials used in the following examples are commercially available, and if the processing conditions are not specified, please refer to the purchased product specification or follow the conventional method in the art.

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.

Fig. 1 is one of the first embodiments of the present invention, which is specifically described with reference to the accompanying drawings, and includes a cover 1, a sinking bobbin 2, and a containing bobbin 3, and the containing bobbin 3 is disposed on the liquid packing box, the containing bobbin 3 is disposed with the cover 1, and the sinking bobbin 2 is disposed between the cover 1 and the containing bobbin 3.

In this embodiment, the cap 1 is configured to include a cap 11, a first driving claw portion 12, a second driving claw portion 13, and a third driving claw portion 14, and the lower side surface portion of the inner wall of the cap 11 is respectively configured to be coupled to the first driving claw portion 12, the second driving claw portion 13, and the third driving claw portion 14, the outer end of the first driving claw portion 12, the outer end of the second driving claw portion 13, and the outer end of the third driving claw portion 14 are respectively configured to be outwardly extended from the edge portion of the opening of the cap 11, and the upper side surface portion of the inner wall of the cap 11 is provided with a first screw body 15, the first driving claw portion 12, the second driving claw portion 13, and the third driving claw portion 14 are respectively configured to be coupled to the sinking bobbin 2 in a contact manner, and the first screw body 15 is configured to be coupled to the containing bobbin 3, the cap 11 is configured to be a cylindrical body having a blind hole, and the first driving claw portion 12, The second driving claw part 13 and the third driving claw part 14 are respectively provided as a U-shaped sheet.

Through closing cap 1, formed the support tie point to sinking into the bobbin 2 and containing the bobbin 3, by first initiative claw portion 12, second initiative claw portion 13 and third initiative claw portion 14, realized being connected with sinking into the bobbin 2, by first screw body 15, realized being connected with containing the bobbin 3, its technical aim lies in: for sealing the containing bobbin 3.

In the present embodiment, the sinking bobbin 2 is provided to include a tube portion 21, a first passive claw portion 23, a second passive claw portion 24, a third passive claw portion 25, a first spoke portion 26, a second spoke portion 27, a third spoke portion 28 and a tip portion 29, and a second screw body 22 is provided on an outer side surface portion of the tube portion 21, upper side surface portions of an inner wall of the tube portion 21 are provided to be coupled with the first passive claw portion 23, the second passive claw portion 24 and the third passive claw portion 25, respectively, and lower side surface portions of the inner wall of the tube portion 21 are provided to be coupled with an outer end of the first spoke portion 26, an outer end of the second spoke portion 27 and an outer end of the third spoke portion 28, respectively, an inner end of the first spoke portion 26, an inner end of the second spoke portion 27 and an inner end of the third spoke portion 28 are provided to be coupled with the tip portion 29, respectively, and the tip portion 29 is provided to be outwardly extended from an edge portion of a lower end port, the second screw body 22 is provided to be coupled with the accommodating bobbin 3 and the first, second, and third passive nail-pulling portions 23, 24, and 25 are respectively provided to be coupled with the sinking bobbin 2, the tube portion 21 is provided as a circular tubular body and the first, second, and third passive nail-pulling portions 23, 24, and 25 are respectively provided as a serration body, the first, second, and third spokes 26, 27, and 28 are respectively provided as a rectangular bar-shaped body and the tip portion 29 is provided as a triangular pyramid-shaped body or a quadrangular pyramid-shaped body.

The supporting connection point of the sealing cover 1 and the containing bobbin 3 is formed by sinking the bobbin 2, the connection with the sealing cover 1 is realized by the first driven claw part 23, the second driven claw part 24 and the third driven claw part 25, the connection with the containing bobbin 3 is realized by the second thread body 22, and the liquid discharging channel formed by penetrating the liquid packaging box is realized by the first spoke part 26, the second spoke part 27, the third spoke part 28 and the tip part 29, and the technical purpose is that: for opening the liquid package.

In the present embodiment, the containing bobbin 3 is provided to include the pipe portion 31, the gasket portion 32, and the flange portion 35 and the lower end port portion of the pipe portion 31 is provided to be coupled with the gasket portion 32, the lower end portion of the outer side surface of the pipe portion 31 is provided to be coupled with the flange portion 35 and the fourth screw 34 is provided at the upper end portion of the outer side surface of the pipe portion 31, the third screw 33 is provided at the inner wall of the pipe portion 31 and the third screw 33 is provided to be coupled with the sunken bobbin 2, the fourth screw 34 is provided to be coupled with the cap 1 and the flange portion 35 is provided to be coupled with the cap 1 in contact, the gasket portion 32 is provided to be coupled with the liquid packing box and the pipe portion 31 is provided to be a circular tubular body, the gasket portion 32 is provided to be a U-shaped.

Through holding the bobbin 3, formed the support connection point to closing cap 1 and sunken bobbin 2, by fourth screw 34 and flange portion 35, realized being connected with closing cap 1, by third screw 33, realized being connected with sunken bobbin 2, by gasket portion 32, realized being connected with liquid packaging box, its technical aim lies in: for serving as a discharge passage for the liquid in the liquid packing box.

In the present embodiment, the distance between the outer end of the first driving claw portion 12, the outer end of the second driving claw portion 13, the outer end of the third driving claw portion 14 and the open edge of the cover portion 11 is set to be 2-3mm, the distance between the outer end of the tip portion 29 and the edge of the lower end port of the pipe portion 21 is set to be 3-4mm, the movement pattern between the first screw body 15 and the fourth screw body 34 is set to be distributed corresponding to the movement pattern between the second screw body 22 and the third screw body 33, and the tip portion 29 is set to be in built-in connection with the pipe portion 31.

The cap 11, the first driving claw part 12, the second driving claw part 13, the third driving claw part 14, the pipe part 21 and the tip part 29 realize the concealed distribution of the tip part 29 in the pipe part 31 in the initial state.

In the present embodiment, the cap 1 and the accommodating bobbin 3 and the accommodating bobbin 2 are arranged to be distributed in a jack-in opening manner and the center line of the cap 1, the center line of the accommodating bobbin 2 and the center line of the accommodating bobbin 3 are arranged on the same straight line, the fourth screw body 34 is arranged to be coupled to the first screw body 15, the third screw body 33 is arranged to be coupled to the second screw body 22, the first passive pawl 23 is arranged to be coupled to the first driving pawl 12, the second passive pawl 24 is arranged to be coupled to the second driving pawl 13, and the third passive pawl 25 is arranged to be coupled to the third driving pawl 14.

The gasket part 32 is coated with connecting glue, the gasket part 32 is connected with the liquid packaging box through the connecting glue, thereby the channel pipe part 31 is arranged at the penetrating part of the liquid packaging box, when the cover part 11 is exerted with rotating force, the first screw body 15 rotates on the fourth screw body 34, the first driving claw part 12 is in fit contact with the first driven claw part 23, the second driving claw part 13 is in fit contact with the second driven claw part 24, the third driving claw part 14 is in fit contact with the third driven claw part 25, the second screw body 22 is driven to rotate on the third screw body 33, the pipe part 21 moves down in the channel pipe part 31, the tip parts 29 on the first spoke part 26, the second spoke part 27 and the third spoke part 28 form an opening at the middle part of the penetrating part of the liquid packaging box, simultaneously, the first driving claw part 12 is separated from the first driven claw part 23, the second driving claw part 13 is separated from the second driven claw part 24, the third driving claw part 14 is separated from the third driven claw part 25, and when a reverse rotation force is applied to the cap part 11, the first screw body 15 is rotated reversely on the fourth screw body 34, the cap part 11 is separated from the tube part 21, a hydraulic pressure discharge passage in the liquid packing box is formed by the tube part 21 and the channel tube part 31, and the channel tube part 31 is sealed and opened by the cap part 11.

The second embodiment of the present invention is that the distance between the outer end of the first active claw part 12, the outer end of the second active claw part 13, the outer end of the third active claw part 14 and the open edge of the cover part 11 is set to 2mm, and the distance between the outer end of the tip part 29 and the edge of the lower end port of the pipe part 21 is set to 3 mm.

The third embodiment of the present invention is that the distance between the outer end of the first active claw part 12, the outer end of the second active claw part 13, the outer end of the third active claw part 14 and the open edge of the cover part 11 is set to 3mm, and the distance between the outer end of the tip part 29 and the edge of the lower end port of the pipe part 21 is set to 4 mm.

The fourth embodiment of the present invention is that the distance between the outer end of the first active claw part 12, the outer end of the second active claw part 13, the outer end of the third active claw part 14 and the open edge of the cover 11 is set to 2.5mm, and the distance between the outer end of the tip part 29 and the edge of the lower end port of the tube part 21 is set to 3.5 mm.

The second embodiment of the present invention integrates the technical features on the lid device body in such a manner that the opening is formed in the middle portion of the liquid packaging box to be pierced.

In this embodiment, the technical features are integrated into the lid unit body in such a manner that the leakage hole is formed in the middle portion of the punctured portion of the liquid packing box.

In this embodiment, the body of the cap device is configured to further include a cap 1 and a containing bobbin 3.

In this embodiment, the piercing part is provided as a tip 29 and the tip 29 is provided as a cone.

A second embodiment of the present invention is based on the first embodiment,

the utility model has the characteristics of down:

1. the box cover device body is designed, and the middle part of the punctured part of the liquid packaging box forms an opening by sinking the bobbin 2, so that the liquid packaging box is not punctured into the liquid packaging box by the tooth shape of the lower end surface part of the sinking bobbin 2 any more, and the liquid discharging effect in the liquid packaging box is improved.

2. Due to the design of the closure 1 and the containing bobbin 3, a liquid discharge channel is realized.

3. Due to the design of the tip 29, a polygonal aperture body is realized.

4. Owing to designed and carried out numerical range's injecion to the knot configuration form, made numerical range do the utility model discloses a technical scheme in the technical scheme technical characteristics, not through the formula calculation or through the technical characteristics that the limited number of experiments reachs, the experiment shows that this numerical range's technical characteristics has obtained fine technological effect.

5. Owing to designed the utility model discloses a technical characteristic, in technical characteristic's the effect alone and mutual set, through experimental demonstration, the utility model discloses an each item performance index is 1.7 times at least for current each item performance index, has fine market value through the aassessment.

Other technical features identical or similar to those of the body of the lid unit having the opening formed in the middle portion of the liquid packing box to be pierced are one of the embodiments of the present invention, and the respective technical features of the above-described embodiments may be arbitrarily combined, and in order to satisfy the requirements of patent laws, patent practice rules, and examination guidelines, all possible combinations of the respective technical features of the above-described embodiments will not be described.

Therefore in the lid device technical field for liquid packaging box, all include the lid device body that has the immersed bobbin 2, be provided with the technical content who pierces the portion at the intermediate part of the lower end of immersed bobbin 2 all be in the protection scope of the utility model.

Claims (9)

1. A lid device for liquid packing box, characterized by: comprises a box cover device body with a sinking bobbin (2), and a puncturing part is arranged in the middle part of the lower end head of the sinking bobbin (2).

2. The cover means for liquid packing box of claim 1, wherein: the box cover device body is also provided with a sealing cover (1) and a containing bobbin (3).

3. The cover means for liquid packing box of claim 2, wherein: the piercing section is provided as a tip (29) and the tip (29) is provided as a cone.

4. A lid means for liquid packaging box according to claim 3, characterized in that: the containing bobbin (3) is arranged on the liquid packaging box, the closing cap (1) is arranged on the containing bobbin (3), and the sinking bobbin (2) is arranged between the closing cap (1) and the containing bobbin (3).

5. The cover unit for liquid packing box of claim 4, wherein: the sinking bobbin (2) comprises a tube part (21), a first driven pulling claw part (23), a second driven pulling claw part (24), a third driven pulling claw part (25), a first spoke part (26), a second spoke part (27), a third spoke part (28) and a tip part (29), a second thread body (22) is arranged on the outer side face of the tube part (21), the upper side face of the inner wall of the tube part (21) is respectively connected with the first driven pulling claw part (23), the second driven pulling claw part (24) and the third driven pulling claw part (25), the lower side face of the inner wall of the tube part (21) is respectively connected with the outer end of the first spoke part (26), the outer end of the second spoke part (27) and the outer end of the third spoke part (28), the inner end of the first spoke part (26), the inner end of the second spoke part (27) and the tip part (29) are respectively connected with the tip part (29) and the tip part (29) is arranged with the tip part (29) 21) The edge part of the lower end port of the pipe is distributed in an outward extending mode, the second thread body (22) is connected with the containing bobbin (3), the first driven poking claw part (23), the second driven poking claw part (24) and the third driven poking claw part (25) are connected with the sinking bobbin (2) respectively, the pipe part (21) is a circular pipe body, the first driven poking claw part (23), the second driven poking claw part (24) and the third driven poking claw part (25) are sawteeth bodies respectively, and the first spoke part (26), the second spoke part (27) and the third spoke part (28) are rectangular strip bodies respectively.

6. The cover unit for liquid packing box of claim 4, wherein: the sealing cover (1) comprises a cover part (11), a first driving claw part (12), a second driving claw part (13) and a third driving claw part (14), the lower side surface part of the inner wall of the cover part (11) is respectively connected with the first driving claw part (12), the second driving claw part (13) and the third driving claw part (14), the outer end head of the first driving claw part (12), the outer end head of the second driving claw part (13) and the outer end head of the third driving claw part (14) are respectively arranged to be distributed in an outward extending mode with the open edge part of the cover part (11), the upper side surface part of the inner wall of the cover part (11) is provided with a first thread body (15), the first driving claw part (12), the second driving claw part (13) and the third driving claw part (14) are respectively arranged to be connected with the sinking bobbin (2) in a contact mode, and the first thread body (15) is arranged to be connected with the containing bobbin (3), the cover part (11) is a cylindrical body with a blind hole, and the first driving claw part (12), the second driving claw part (13) and the third driving claw part (14) are respectively a U-shaped sheet body.

7. The cover unit for liquid packing box of claim 4, wherein: the containing bobbin (3) is arranged to include a pipe portion (31), a gasket portion (32) and a flange portion (35), a lower end port portion of the pipe portion (31) is arranged to be coupled with the gasket portion (32), a lower end portion of an outer side surface of the pipe portion (31) is arranged to be coupled with the flange portion (35) and a fourth screw body (34) is arranged at an upper end portion of the outer side surface of the pipe portion (31), a third screw body (33) is provided on the inner wall of the pipe portion (31) and the third screw body (33) is provided so as to be coupled with the immersion bobbin (2), a fourth screw body (34) is provided so as to be coupled with the cap (1) and the flange portion (35) is provided so as to be in contact coupling with the cap (1), a gasket portion (32) is provided so as to be coupled with the liquid packing box and the pipe portion (31) is provided as a circular tubular body, the gasket portion (32) is provided as a U-shaped plate-like body and the flange portion (35) is provided as a circular disk-like body.

8. The lid unit for liquid packing box of any one of claims 1 to 7, wherein: the distance between the outer end of the first driving claw part (12), the outer end of the second driving claw part (13), the outer end of the third driving claw part (14) and the edge part of the opening of the cover part (11) is set to be 2-3mm, the distance between the outer end of the tip part (29) and the edge part of the lower end port of the pipe part (21) is set to be 3-4mm, the movement mode between the first thread body (15) and the fourth thread body (34) is set to be distributed corresponding to the movement mode between the second thread body (22) and the third thread body (33), and the tip part (29) is set to be in built-in connection with the pipe part (31).

9. The lid unit for liquid packing box of any one of claims 1 to 7, wherein: the sealing cover (1), the containing bobbin (3) and the sinking bobbin (2) are distributed in a jacking opening mode, the central line of the sealing cover (1), the central line of the sinking bobbin (2) and the central line of the containing bobbin (3) are arranged on the same straight line, the fourth thread body (34) is connected with the first thread body (15), the third thread body (33) is connected with the second thread body (22), the first passive poking claw part (23) is connected with the first driving poking claw part (12), the second passive poking claw part (24) is connected with the second driving poking claw part (13), and the third passive poking claw part (25) is connected with the third driving poking claw part (14).

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