CN117049005A

CN117049005A - Extrusion discharging type hose

Info

Publication number: CN117049005A
Application number: CN202210488339.5A
Authority: CN
Inventors: 杨海英
Original assignee: Shyahsin Packaging China Co Ltd
Current assignee: Shyahsin Packaging China Co Ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2023-11-14
Also published as: WO2023213145A1

Abstract

The application relates to an extrusion discharging type hose which comprises a cover combination, an inner plug and a pipe body, wherein the pipe body is provided with a main body used for containing a material body and a pouring shoulder extending from the main body, the inner plug is hermetically and fixedly inserted into the pouring shoulder, the cover combination is assembled on the pouring shoulder, a sealing structure is arranged between the inner plug and the cover combination, a discharging channel is formed between the inner plug and the cover combination, when the cover combination is screwed on the pouring shoulder, the sealing structure seals the discharging channel, and when the cover combination is rotated from a screwing position, the sealing structure is separated from the discharging channel so that the material body in the main body can flow out through the discharging channel. Therefore, when the hose is used, a user does not need to take down the cover combination, so that the pollution of the cover combination is avoided and the convenience of hose use is improved.

Description

Extrusion discharging type hose

Technical Field

The application relates to the field of packaging, in particular to an extrusion discharging type hose.

Background

The hoses used for packaging and containing liquid or semisolid materials are usually provided with discharge holes, the discharge holes are usually sealed by a cap-type cover, when in use, a user unscrews the cover, and the hoses are extruded to extrude the materials from the discharge holes for later use. However, in the process of carrying the packaging hose, the situation that the cover is opened to cause leakage of the material body is extremely easy to be pressed, and in addition, the cover needs to be unscrewed when the packaging hose is used, so that the operation is very inconvenient and the pollution of the cover is easy to be caused.

Content of the application

In order to overcome the defects, the application provides the water extrusion discharging type hose, and the hose does not need to completely separate the cover combination from the hose body in the use process, so that the risk of pollution caused by falling of the cover combination is effectively prevented, and the convenience of product use is improved.

The technical scheme adopted by the application for solving the technical problems is as follows:

the utility model provides an extrusion ejection of compact hose, includes lid combination, interior stopper and body, the body has the main part that is used for holding the material body and follows the notes shoulder that the main part stretched out, interior stopper sealed and fixedly insert locate annotate the shoulder, lid combination assemble in annotate the shoulder, interior stopper with be equipped with seal structure between the lid combination, just interior stopper with form the ejection of compact passageway between the lid combination, works as the lid combination screw in annotate the shoulder when, seal structure shutoff ejection of compact passageway, works as the lid combination is rotated the back from the position of screwing, seal structure breaks away from ejection of compact passageway and makes the material body can flow through in the main part ejection of compact passageway.

Optionally, the cover combination includes enclosing cover and fixed mounting in the inner cup in the enclosing cover, the inner cup assemble in annotate the shoulder and the inner cup with annotate and be equipped with the block mechanism that prescribes a limit to each other between the shoulder, seal structure is fixed to be located on at least one of enclosing cover with interior stopper, enclosing cover with form between the interior stopper the discharge channel.

Optionally, the outer cover extends along axial direction to form the discharging pipe, the first end of discharging pipe is equipped with the discharge gate, the second end of discharging pipe is equipped with the feed inlet, the inner cup extends along axial direction to form the joint portion, works as inner cup fixed mounting in the outer cover, the discharging pipe is inserted and is located in the joint portion, the joint portion assemble in annotate the shoulder.

Optionally, the inner plug is of a circular ring structure, at least one discharging hole is formed in the inner plug, the circumference of the outer ring of the inner plug extends along the axial direction to form an outer ring, the circumference of the inner ring of the inner plug extends along the axial direction to form an inner column, a slot is formed between the outer ring and the inner column, and the discharging hole is mutually communicated with the slot.

Optionally, at least one ring of snap ring is arranged between the outer side wall of the outer ring and the inner side wall of the injection shoulder, the snap ring is used for enabling the outer ring to be fixedly clamped with the injection shoulder, and the snap ring is fixedly arranged on the outer side wall of the outer ring or the inner side wall of the injection shoulder.

Optionally, the discharging pipe is inserted into the slot, at least one circle of second sealing ring is arranged between the outer side wall of the discharging pipe and the inner side wall of the outer ring, and the second sealing ring is fixedly arranged on the outer side wall of the discharging pipe or the inner side wall of the outer ring.

Optionally, the inner column is arranged in the discharging pipe, a discharging channel is formed between the inner column and the discharging pipe, and the sealing structure is fixedly arranged on the outer side wall of the inner column or the inner side wall of the discharging pipe.

Optionally, the sealing structure includes a first sealing ring and a third sealing ring, when the cover assembly is screwed on the injection shoulder, the first sealing ring is close to the discharge port and seals the discharge port, and the third sealing ring is close to the feed port and seals the feed port.

Optionally, be equipped with two mutual spaced third stuck points on annotating the lateral wall of shoulder, be equipped with two mutual spaced first stuck points and second stuck points on the inside wall of joint portion, first stuck point and third stuck point can block each other, the second stuck point support in annotate the lateral wall of shoulder.

Optionally, the second clamping point is a bump, and the first clamping point and the third clamping point are mutually matched bumps or clamping grooves.

The beneficial effects of the application are as follows:

1) The pipe body is fixedly matched with the inner plug to form a cover combination, the inner plug is fixedly and hermetically matched with the injection shoulder of the pipe body through the clamping ring, so that leakage of a material body is prevented;

2) According to the application, the discharging channel is formed between the discharging pipe of the outer cover and the inner column of the inner plug, and when the cover combination is screwed with the injection shoulder, the discharging channel is blocked by the sealing structure, and the hose is in a closed state at the moment, so that the material body cannot be extruded even if the pipe body is extruded, and the safety of the hose is improved; when the hose is used, the cover combination is taken as a starting point, after the cover combination is rotated for a certain angle, the sealing structure is separated from the discharging channel between the cover combination and the inner plug, the pipe body is extruded to enable a material in the pipe body to flow out through the discharging channel for a user to use, and the hose is in an open state at the moment, so that when the hose is used, the user does not need to take down the cover combination from the pipe body, the convenience of using the hose is improved, and the risk of losing and polluting caused by the falling of the cover combination is eliminated; in the whole use process, the cover combination is always covered on the pipe body, so that the volatilization loss of the material body in the pipe body is reduced;

3) The clamping mechanism is arranged between the inner cover and the injection shoulder, the convex points and the clamping grooves which are mutually matched are formed in the clamping mechanism, the clamping mechanism is used for limiting the mutual positions of the injection shoulders of the inner cover when the hose is in an open state or a closed state, the cover combination and the hose body can be prevented from being separated, and meanwhile, the operation of a user is facilitated; in order to further increase the stability of the cover combination rotation process, a second clamping point is further arranged on the combining part of the inner cover, and the second clamping point always props against the injection shoulder to prevent the cover combination from shaking when the cover combination is unscrewed.

Drawings

FIG. 1 is a schematic view of the present application in a closed state;

FIG. 2 is a schematic view of the structure of the present application at another view angle in the closed state;

FIG. 3 is a schematic view of the structure of the cover assembly of the present application;

FIG. 4 is a schematic view of the structure of the outer cap of the present application;

FIG. 5 is a schematic view of the inner cap according to the present application;

FIG. 6 is a second schematic view of the inner cap of the present application;

FIG. 7 is a third schematic view of the inner cap of the present application;

FIG. 8 is a schematic view of the structure of the inner plug according to the present application;

FIG. 9 is a second schematic view of the inner plug according to the present application;

FIG. 10 is a third schematic view of the inner plug according to the present application;

FIG. 11 is a schematic diagram of an inner plug according to the present application;

FIG. 12 is a schematic view of a tube body according to the present application;

FIG. 13 is a schematic view of the structure of the present application in an open state;

FIG. 14 is a schematic view of the structure of the present application in an open state at another view angle;

FIG. 15 is a cross-sectional view taken along line A-A of FIG. 13;

FIG. 16 is an enlarged view at B in FIG. 16;

in the figure: 10-outer cover, 11-discharging pipe, 12-first sealing ring, 13-second sealing ring, 14-discharging hole, 15-feeding hole, 20-inner cover, 21-combination part, 22-first clamping point, 23-second clamping point, 24-discharging channel, 30-inner plug, 31-outer ring, 32-inner column, 33-discharging hole, 34-slot, 35-third sealing ring, 36-clamping ring, 40-pipe body, 41-main body, 42-shoulder injection, 43-external screw thread and 44-third clamping point.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the following figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be capable of being practiced otherwise than as specifically shown or described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Examples: as shown in fig. 1 to 16, an extrusion-type hose comprises a cap assembly, an inner plug 30 and a tube body 40, wherein the tube body 40 is provided with a main body 41 for accommodating a material body and a shoulder 42 extending from the main body 41, the inner plug 30 is hermetically and fixedly inserted into the shoulder 42, the cap assembly is assembled on the shoulder 42, a sealing structure is arranged between the inner plug 30 and the cap assembly, a discharging channel 24 is formed between the inner plug 30 and the cap assembly, when the cap assembly is screwed on the shoulder 42, the cap assembly is rotated towards the same direction (clockwise or anticlockwise) by torsion force to reach a designated position, the cap assembly is continuously rotated towards the same direction, the sealing structure seals the discharging channel so that the material body in the main body 41 cannot flow out through the discharging channel 24, and when the cap assembly is rotated from the screwing position along the opposite direction of the screwing direction, the sealing structure is separated from the discharging channel so that the material body in the main body 41 can flow out through the discharging channel 24.

Wherein the main body 41 is used for containing liquid or semisolid materials such as hand cream, lotion, skin care liquid and the like, compared with the traditional packaging hose, the application increases the inner plug 30, the inner plug 30 is inserted into the opening of the injection shoulder 42, the cover combination and the injection shoulder 42 are matched together through threads or buckles, when the cover combination is screwed with the injection shoulder 42, the discharging channel 24 between the cover combination and the inner plug is blocked by the sealing structure, and the hose is in a closed state, so that the materials cannot be extruded even though the pipe body 40 is extruded, and the safety of the hose is improved; when the hose is used, the cover combination is rotated from the screwing position of the cover combination and the injection shoulder 42, the cover combination is rotated by a certain angle, the inner plug is fixed with the hose body, the certain angle can be theoretically any angle between 0 DEG and 360 DEG, 45 DEG, 90 DEG, 180 DEG and other angles conforming to the use habit of people can be selected in practical application, the sealing structure is separated from the discharging channel 24 between the cover combination and the inner plug, the hose body is extruded to enable the material in the hose body to flow out through the discharging channel 24 for users to use, and the hose is in an open state at the moment.

As shown in fig. 1 and 3, the cap assembly includes an outer cap 10 and an inner cap 20 fixedly installed in the outer cap 10, the inner cap 20 is assembled on a pouring shoulder 42, a mutually defined engagement mechanism is provided between the inner cap 20 and the pouring shoulder 42, and a sealing structure is fixedly provided on at least one of the outer cap 10 and the inner plug 30, and a discharge passage 24 is formed between the outer cap 10 and the inner plug 30. When the cap assembly is assembled on the injection shoulder 42, but the cap assembly and the injection shoulder 42 are not screwed, a gap is formed between the outer cap 10 and the inner plug 30, the gap is the discharging channel 24, the sealing structure is positioned in the discharging channel, and when the inner cap 20 is screwed on the injection shoulder 42, the sealing structure enables interference fit between the outer cap 10 and the inner plug 30 to block the discharging channel as shown in fig. 1-2; 13-16, when the inner cap is rotated by a certain angle, the outer cap is raised by a certain distance relative to the inner plug, so that the sealing structure on the outer cap is separated from the inner plug, or the sealing structure on the inner plug is separated from the outer cap, the discharging channel 24 is opened, and the clamping mechanism is used for limiting the mutual position between the inner cap 20 and the injection shoulder 42 when the hose is in the open state or the closed state, preventing the cap combination from being separated from the pipe body, and simultaneously facilitating the operation of a user; the sealing structure is fixedly arranged on the outer cover 10, the inner plug 30 or the outer cover 10 and the inner plug 30.

As shown in fig. 3 to 4, the outer cap 10 extends in the axial direction to form a discharge pipe 11, a first end of the discharge pipe 11 is provided with a discharge port 14, a second end of the discharge pipe 11 is provided with a feed port 15, the inner cap 20 extends in the axial direction to form a joint 21, when the inner cap 20 is fixedly mounted in the outer cap 10, the discharge pipe 11 is inserted into the joint 21, and the joint 21 is assembled on the shoulder 42. The outer cover 10 is similar to a turtle shell-shaped structure, a hollow discharging pipe 11 is formed by extending the central part of the outer cover 10 inwards along the axial direction, a discharging hole 14 of the discharging pipe extends to the surface of the outer cover, a material body is finally discharged through the discharging hole 14 for a user, as shown in fig. 5-7, the surface structure of the inner cover 20 is similar to that of the outer cover 10, the outer cover 10 just covers the surface of the inner cover 20, the outer cover 10 and the inner cover 20 can be fixed by buckling and clamping or glue adhesion, a cover combination is formed after the outer cover 10 and the inner cover are assembled, a combining part 21 is formed by extending the central part of the inner cover 20 inwards along the axial direction, the discharging pipe 11 is positioned in the combining part 21, and when the cover combination is assembled with the pipe body, the inner side wall of the combining part 21 and the injection shoulder 42 are matched together through threads or buckling.

As shown in fig. 8-11, the inner plug 30 is in a circular ring structure, at least one discharge hole 33 is arranged on the inner plug 30, a material in the pipe body enters the discharge channel 24 through the discharge hole 33, the circumference of the outer ring of the inner plug 30 extends along the axial direction to form an outer ring 31, the circumference of the inner ring of the inner plug 30 extends along the axial direction to form an inner column 32, a slot 34 is arranged between the outer ring 31 and the inner column 32, and the discharge hole 33 is mutually communicated with the slot 34. The outer ring 31 is arranged on the radial outer side of the inner column 32, as shown in fig. 1 and 2, the outer ring 31 is matched with the injection shoulder 42, the discharge pipe 11 is inserted into the slot 34, namely, the inner column is positioned inside the discharge pipe 11, the outer ring 31 is positioned on the outer side of the discharge pipe, the discharge pipe 11 is tightly matched with the inner side wall of the outer ring 31, a gap, namely, a discharge channel is formed between the discharge pipe 11 and the inner column 32, a sealing structure is positioned between the discharge pipe 11 and the inner column 32, and the top surface of the inner column 32 is of a closed structure, so that the inner column 32 can seal the discharge hole 14 of the outer cover 10 under the matching of the sealing structure.

As shown in fig. 8, at least one ring of snap ring 36 is disposed between the outer side wall of the outer ring 31 and the inner side wall of the injection shoulder 42, the snap ring 36 is used for fixedly clamping the outer ring 31 and the injection shoulder 42 together, and the snap ring 36 is fixedly disposed on the outer side wall of the outer ring 31 or the inner side wall of the injection shoulder 42. The outer side wall of the outer ring 31 extends outwards along the radial direction to form a clamping ring 36, or the inner side wall of the injection shoulder 42 extends inwards along the radial direction to form the clamping ring 36, preferably 2-4 clamping rings 36 are arranged, the outer ring and the injection shoulder are clamped together through the elastic clamping ring 36, and the outer ring and the injection shoulder are difficult to separate after assembly is completed; of course, the buckle can also be deformed into common assembly structures such as protruding points, clamping grooves and the like.

As shown in fig. 1 and 2, the tapping pipe 11 is inserted into the slot 34, and at least one ring of second sealing ring 13 is arranged between the outer side wall of the tapping pipe 11 and the inner side wall of the outer ring 31, and the second sealing ring 13 is fixedly arranged on the outer side wall of the tapping pipe 11 or the inner side wall of the outer ring 31. The inner side wall of the outer ring 31 extends inwards along the radial direction to form a second sealing ring 13, or the outer side wall of the discharging pipe 11 extends outwards along the radial direction to form the second sealing ring 13, preferably 2-4 second sealing rings, and the outer ring and the discharging pipe are in interference fit through a plurality of rings of second sealing rings which are arranged in parallel so as to prevent the material body from flowing into the cavity between the inner cover and the outer cover.

As shown in fig. 1, the inner column 32 is located in the discharge pipe 11, a discharge channel 24 is formed between the inner column 32 and the discharge pipe 11, and the sealing structure is fixedly arranged on the outer side wall of the inner column 32 or the inner side wall of the discharge pipe 11. A certain gap is formed between the inner column 32 and the discharging pipe 11, namely the discharging channel 24.

Optionally, the sealing structure comprises a first sealing ring 12 and a third sealing ring 35, when the cover assembly is screwed on the injection shoulder 42, the first sealing ring 12 is close to the discharge port 14 and seals the discharge port 14, and the third sealing ring 35 is close to the feed port 15 and seals the feed port 15. The first sealing ring 12 and the third sealing ring 35 may be disposed on the inner column 32 or the discharging pipe 11, for example, when the first sealing ring 12 and the third sealing ring 35 are both disposed on the discharging pipe 11, the inner side wall of the discharging pipe 11 extends radially inwards to form a circle of first sealing ring 12 and third sealing ring 35 near the discharging port 14 and near the feeding port 15 respectively, and when the hose is in a closed state, the first sealing ring 12 and the third sealing ring 35 are both in interference fit with the inner column to block the discharging channel 24; or when the first sealing ring 12 and the third sealing ring 35 are both arranged on the outer side wall of the inner column 32, the vicinity of the upper end and the lower end of the outer side wall of the inner column 32 respectively extend outwards along the radial direction to form a circle of first sealing ring 12 and third sealing ring 35, and when the hose is in a closed state, the first sealing ring 12 and the third sealing ring 35 are both in interference fit with the discharging pipe 11 so as to block the discharging channel 24; or as shown in fig. 1, the first sealing ring 12 is located near the discharge hole of the discharge pipe, the third sealing ring 35 is located near the lower end of the inner column 32, in short, when the hose is in a closed state, the first sealing ring 12 and the third sealing ring 35 are respectively sealed at the discharge hole 14 and the feed hole 15 to prevent the material from flowing out of the discharge channel 24, and a sealing structure is respectively arranged at the discharge hole and the feed hole to improve the sealing performance of the hose.

As shown in fig. 12, the outer side wall of the injection shoulder 42 is provided with two third clamping points 44 spaced from each other, as shown in fig. 7, the inner side wall of the joint portion 21 is provided with two first clamping points 22 and second clamping points 23 spaced from each other, the first clamping points 22 and the third clamping points 44 can be mutually clamped, and the second clamping points 23 are abutted against the outer side wall of the injection shoulder 42.

Optionally, the second snap point 23 is a bump, and the first snap point 22 and the third snap point 44 are mutually matched bumps or grooves. The clamping mechanism between the inner cover 20 and the injection shoulder 42 is a first clamping point 22 and a third clamping point 44, as shown in fig. 12, an outer thread 43 is arranged on the outer side wall of the injection shoulder 42, the inner cover is combined with the injection shoulder thread, two third clamping points 44 which are spaced from each other are arranged on the outer thread 43, the two third clamping points 44 are not on the same horizontal plane, the third clamping point 44 is taken as a clamping groove for illustration, a first clamping point 22 is arranged on the inner side wall of the combining part 21 of the inner cover, the first clamping point 22 is a bump, when the first clamping point 22 is just clamped on the third clamping point 44 below, the lower surface of the inner cover 20 is attached to the upper surface of the pipe body 40, as shown in fig. 1-2, the inner cover 20 is tightly screwed with the injection shoulder 42, the first sealing ring 12 and the third sealing ring 35 are respectively sealed on the discharge port and the feed port, and the hose is in a closed state; after rotating the cap assembly by a certain angle, for example 180 degrees, on the basis of the position, the first clamping point 22 is clamped on the third clamping point 44 above, the cap assembly moves upwards as a whole, as shown in fig. 13-14, the lower surface of the inner cap 20 is separated from the upper surface of the pipe body 40, the first sealing ring 12 is separated from the inner column 32, the third sealing ring 35 is separated from the discharging pipe 11, the discharging channel 24 is opened, namely, the hose is in an open state, the pipe body is extruded at the moment, and the material in the pipe body enters the discharging channel 24 through the discharging hole 33 on the inner plug and finally is discharged through the discharging hole 14 for a user. In order to further increase the stability of the cap assembly rotation process, a second clamping point 23 is further provided on the joint portion of the inner cap 20, and the second clamping point 23 always abuts against the injection shoulder 42, so as to prevent the cap assembly from shaking when unscrewing.

The operation process of the application comprises the following steps: the method comprises the following steps:

step one: 1-2, the inner cap 20 is screwed with the injection shoulder 42 at the beginning, the first sealing ring 12 and the third sealing ring 35 are respectively sealed at the discharge port and the feed port, the discharge channel 24 is closed, namely, the hose is in a closed state, at this time, the first clamping point 22 of the inner cap 20 is just clamped on the third clamping point 44 below the injection shoulder 42, and the lower surface of the inner cap 20 is attached to the upper surface of the pipe body 40;

step two: on the basis of the screwing position, after the user rotates the cap assembly by a certain angle, for example 180 degrees, the first clamping point 22 is clamped on the third clamping point 44 above the injection shoulder 42, the cap assembly moves upwards as a whole, as shown in fig. 13-14, the lower surface of the inner cap 20 is separated from the upper surface of the pipe body 40, the first sealing ring 12 is separated from the inner column 32, the third sealing ring 35 is separated from the discharging pipe 11, and the discharging channel 24 is opened, namely, the hose is in an open state;

step three: the user extrudes the pipe body 40, and the material body in the pipe body 40 enters the discharge channel 24 through the discharge hole 33 on the inner plug, finally discharges through the discharge hole 14 for the user to use, and after the use is completed, the user rotates the cover combination in the opposite direction again, so that the inner cover 20 and the injection shoulder 42 are screwed and restored to the initial position.

It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims

1. An extrusion ejection of compact formula hose, its characterized in that: including lid combination, interior stopper (30) and body (40), body (40) have be used for holding the main part (41) of material body and follow annotate shoulder (42) that main part (41) stretch out, interior stopper (30) sealed and fixedly insert locate annotate shoulder (42), lid combination assemble in annotate shoulder (42), interior stopper (30) with be equipped with seal structure between the lid combination, just interior stopper (30) with form discharge channel (24) between the lid combination, when lid combination screw in annotate shoulder (42), seal structure shutoff discharge channel, when lid combination is rotated from the position of screwing back, seal structure breaks away from discharge channel and makes the material body in main part (41) can flow through discharge channel (24).

2. The squeeze-out hose of claim 1, wherein: the cover combination comprises an outer cover (10) and an inner cover (20) fixedly installed in the outer cover (10), the inner cover (20) is assembled on the injection shoulder (42), a mutually-limited clamping mechanism is arranged between the inner cover (20) and the injection shoulder (42), the sealing structure is fixedly arranged on at least one of the outer cover (10) and the inner plug (30), and a discharging channel (24) is formed between the outer cover (10) and the inner plug (30).

3. The squeeze-out hose of claim 2, wherein: the utility model discloses a discharging device for the steel pipe of the automobile, including enclosing cover (10), enclosing cover (20), enclosing cover (10) extend along axial direction and form discharging pipe (11), the first end of discharging pipe (11) is equipped with discharge gate (14), the second end of discharging pipe (11) is equipped with feed inlet (15), enclosing cover (20) extend along axial direction and form joint portion (21), works as enclosing cover (20) fixed mounting in enclosing cover (10), discharging pipe (11) are inserted and are located in joint portion (21), joint portion (21) assemble in annotate shoulder (42).

4. The squeeze-out hose of claim 3, wherein: the inner plug (30) is of a circular ring structure, at least one discharging hole (33) is formed in the inner plug (30), the circumference of the outer ring of the inner plug (30) extends along the axial direction to form an outer ring (31), the circumference of the inner ring of the inner plug (30) extends along the axial direction to form an inner column (32), a slot (34) is formed between the outer ring (31) and the inner column (32), and the discharging hole (33) is mutually communicated with the slot (34).

5. The squeeze-out hose of claim 4, wherein: at least one ring of clamping ring (36) is arranged between the outer side wall of the outer ring (31) and the inner side wall of the injection shoulder (42), the clamping ring (36) is used for enabling the outer ring (31) to be fixedly clamped with the injection shoulder (42), and the clamping ring (36) is fixedly arranged on the outer side wall of the outer ring (31) or the inner side wall of the injection shoulder (42).

6. The squeeze-out hose of claim 4, wherein: the discharging pipe (11) is inserted into the slot (34), at least one circle of second sealing ring (13) is arranged between the outer side wall of the discharging pipe (11) and the inner side wall of the outer ring (31), and the second sealing ring (13) is fixedly arranged on the outer side wall of the discharging pipe (11) or the inner side wall of the outer ring (31).

7. The squeeze-out hose of claim 4, wherein: the inner column (32) is located in the discharging pipe (11), a discharging channel (24) is formed between the inner column (32) and the discharging pipe (11), and the sealing structure is fixedly arranged on the outer side wall of the inner column (32) or the inner side wall of the discharging pipe (11).

8. The squeeze tube of claim 7, wherein: the sealing structure comprises a first sealing ring (12) and a third sealing ring (35), when the cover combination is screwed on the injection shoulder (42), the first sealing ring (12) is close to the discharge hole (14) and seals the discharge hole (14), and the third sealing ring (35) is close to the feed hole (15) and seals the feed hole (15).

9. The squeeze-out hose of claim 4, wherein: the outer side wall of the injection shoulder (42) is provided with two third clamping points (44) which are spaced from each other, the inner side wall of the combining part (21) is provided with two first clamping points (22) and two second clamping points (23) which are spaced from each other, the first clamping points (22) and the third clamping points (44) can be mutually clamped, and the second clamping points (23) are propped against the outer side wall of the injection shoulder (42).

10. The squeeze tube of claim 9, wherein: the second clamping point (23) is a convex point, and the first clamping point (22) and the third clamping point (44) are convex points or clamping grooves which are matched with each other.