CN214876804U

CN214876804U - Hidden damage prevention suction nozzle for self-supporting bag

Info

Publication number: CN214876804U
Application number: CN202121630168.2U
Authority: CN
Inventors: 林振宇
Original assignee: Shantou Tengyang Packaging Products Co Ltd
Current assignee: Shantou Tengyang Packaging Products Co Ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-11-26
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a self-supporting bag suction nozzle capable of preventing hidden damage, which comprises a spiral cover and a suction nozzle, wherein the inner side wall of the spiral cover is provided with an internal thread, the outer side wall of the suction nozzle is provided with an external thread, and the spiral cover is in threaded connection with the suction nozzle; the edge of an opening at the lower end of the spiral cover is provided with a connecting ring, the inner side wall of the connecting ring is provided with at least one unidirectional tooth, the outer side wall of the suction nozzle is provided with a limiting ring, and the outer circumferential edge of the limiting ring is provided with at least one blocking block matched with the unidirectional tooth; at least two arc-shaped grooves are arranged on the lower end surface of the lower end opening of the rotary cover; the limiting ring is provided with at least one positioning block, the front side surface of the positioning block is a first vertical surface, the rear side surface of the positioning block is a second vertical surface, the upper side surface of the positioning block is a first inclined surface, and the first vertical surface, the first inclined surface and the second vertical surface are sequentially connected from front to back; after the screw cap is screwed on the suction nozzle, the clamping block is in clamping fit with the first inclined plane. The utility model discloses can prevent that the connection between spiral cover and the suction nozzle is destroyed by the recessive, ensure that the spiral cover screws up completely and targets in place.

Description

Hidden damage prevention suction nozzle for self-supporting bag

Technical Field

The utility model relates to a self-reliance bag suction nozzle, in particular to prevent recessive destruction self-reliance bag suction nozzle.

Background

A pouch with a spout refers to a flexible packaging bag with a spout at the top or side of the pouch to facilitate the user to pour or suck the contents of the pouch while reclosing and repeatedly opening the pouch, which can be considered as a combination of the pouch with a conventional bottle opening.

The existing suction nozzle of the self-supporting bag generally comprises a screw cap and a suction nozzle, wherein an inner thread is arranged on the inner side wall of the screw cap, an outer thread is arranged on the outer side wall of the suction nozzle, and the screw cap is in threaded connection with the suction nozzle; the outer side wall of the suction nozzle is provided with a limiting ring, and the limiting ring is positioned below the external thread on the suction nozzle; the edge of the lower opening of the rotary cover is provided with a connecting ring, and the upper end of the connecting ring is fixedly connected with the edge of the lower opening of the rotary cover through a plurality of easy-to-tear strips; the inner side wall of the connecting ring is provided with at least one unidirectional tooth, and the direction of the unidirectional tooth is consistent with the rotating direction of the internal thread on the inner side wall of the rotating cover; at least one stop block matched with the unidirectional teeth is arranged on the outer circumferential edge of the limit ring. When the screw cap is not unscrewed for use, the stop block on the outer circumferential edge of the limit ring is in snap fit with the one-way teeth on the inner side wall of the connecting ring. When the existing screw cap is completely screwed on the suction nozzle, a certain gap still exists in the screw cap, and slight back rotation can occur on the suction nozzle. If in the transportation or market selling process, the spiral cover causes the connection between spiral cover and the suction nozzle to be destroyed because of taking place the derotation, can't see from the outward appearance of product whether the connection between spiral cover and the suction nozzle is destroyed, if the connection between spiral cover and the suction nozzle is destroyed easily causes food leakage, bacterial growing, influences the quality of product.

Disclosure of Invention

The utility model aims to solve the problem that a prevent recessive destruction self-reliance bag suction nozzle is provided, this kind prevents that the connection between spiral cover and the suction nozzle can prevent to be destroyed by the recessive, ensures that the spiral cover screws up completely and targets in place.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

a hidden damage prevention suction nozzle for a standing pouch comprises a screw cap and a suction nozzle, wherein an internal thread is arranged on the inner side wall of the screw cap, an external thread is arranged on the outer side wall of the suction nozzle, and the screw cap is in threaded connection with the suction nozzle; the edge of an opening at the lower end of the rotary cover is provided with a connecting ring, the inner side wall of the connecting ring is provided with at least one unidirectional tooth, and the direction of the unidirectional tooth is consistent with the rotary direction of the internal thread on the inner side wall of the rotary cover; the outer side wall of the suction nozzle is provided with a limiting ring, the limiting ring is positioned below the external thread on the suction nozzle, and the outer circumferential edge of the limiting ring is provided with at least one blocking block matched with the one-way teeth; at least two arc-shaped grooves are arranged on the lower end face of the lower end opening of the rotary cover, the depth of each arc-shaped groove is gradually increased along the rotary direction of the internal thread of the rotary cover, and a clamping block is formed at the joint of every two adjacent arc-shaped grooves; the method is characterized in that: the limiting ring is provided with at least one positioning block, the front side surface of the positioning block is a first vertical surface, the rear side surface of the positioning block is a second vertical surface, the upper side surface of the positioning block is a first inclined surface, and the first vertical surface, the first inclined surface and the second vertical surface are sequentially connected from front to back; the height of the first vertical surface is greater than that of the second vertical surface; after the rotary cover is screwed on the suction nozzle, the clamping block is in snap fit with the first inclined plane.

The foregoing definitions are: along the rotating direction of the internal thread on the inner side wall of the rotating cover, one side of the one-way tooth which is contacted with the blocking block firstly is front, and one side of the one-way tooth which is contacted with the blocking block secondly is back.

Along the spiral direction of the internal thread on the inner side wall of the spiral cover, the height of the first vertical surface is greater than that of the second vertical surface, and the first inclined surface gradually inclines downwards according to the spiral direction of the thread. The positioning block is arranged into a relatively high and thick block shape, so that the strength of the positioning block can be increased. When the lower extreme opening of spiral cover downwards rotate with the spacing ring contact on the suction nozzle lateral wall, during the corresponding arc wall of first inclined plane embedding of locating piece, the fixture block is plugged up to higher first vertical face and the prevention spiral cover continues the downwardly rotating, can prevent that the connection between spiral cover and the suction nozzle from being hidden destruction, ensures that the spiral cover screws up completely and targets in place.

As a preferred scheme of the utility model, the one-way teeth are square blocks, the outer side surfaces of the square blocks are connected with the inner side walls of the connecting rings, the inner side surfaces of the square blocks are planes, the front side surfaces of the square blocks are second inclined planes, the rear side surfaces of the square blocks are third vertical surfaces, and the second inclined planes, the planes and the third vertical surfaces are sequentially connected from front to back; the outer edge of the limiting ring is sequentially provided with an arc section, the stop block and a transition line section; and in the process that the screw cap is screwed on the suction nozzle, the arc section is in contact fit with the second inclined plane, the stop block is in snap fit with the third vertical surface, and the transition line section is in contact fit with the plane. Above-mentioned one-way tooth sets up to the quad bit, can strengthen the rigidity of one-way tooth, and when making one-way tooth and blockking that the piece contact was joined in marriage, the quad bit can directly block up tightly and block the piece, makes the unable upset of one-way tooth, prevents the spiral cover along the circumference antiport of suction nozzle. In the process that the screw cap is screwed on the suction nozzle, the second inclined plane of the square block can guide along the arc section on the limiting ring, so that the third vertical plane of the square block is in snap fit with the stop block on the limiting ring, and the plane of the square block is in contact fit with the transition line section on the limiting ring. When the user unscrews the spiral cover hard, the spiral cover takes place the derotation, and each easy tear strip of drag between square piece and the block piece can be snagged fast, destroys the connection of connecting ring.

As a further preferred scheme of the utility model, the width of the plane is 1mm-3 mm.

As the utility model discloses an optimal scheme, the lower extreme opening outside of spiral cover is equipped with the protruding edge of annular, and the protruding edge of annular forms with the integrative moulding plastics of the lower extreme of spiral cover, the clamping ring is in the below on the protruding edge of annular. The annular convex edge can shield the connecting ring, so that the rigidity of the spiral cover is enhanced, and the connecting ring is prevented from being broken in the packaging and transporting process.

As the utility model discloses a preferred scheme, the internal thread on the spiral cover inside wall is two parallel arrangement's internal thread section, external screw thread on the suction nozzle lateral wall is two parallel arrangement's external screw thread section, and two external screw thread sections and two internal thread sections are mutually supported. The two internal thread sections are formed by integral injection molding with the inner side wall of the screw cap, and can be firmly arranged on the inner side wall of the screw cap; the two external thread sections are formed by integral injection molding with the outer side wall of the suction nozzle, and can be firmly arranged on the outer side wall of the suction nozzle; when a user covers the screw cap on the suction nozzle, the two parallel-arranged external thread sections are matched with the two parallel-arranged internal thread sections, the outer side wall of the suction nozzle and the inner side wall of the screw cap are tightly buckled and connected together in a double-thread matching mode, and the positioning is accurate.

Compared with the prior art, the utility model, have following advantage:

the anti-hidden damage self-standing bag suction nozzle can prevent the connection between the screw cap and the suction nozzle from being hidden damaged, and ensures that the screw cap is completely screwed in place.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the cap of FIG. 1 covering the mouthpiece;

fig. 3 is a schematic view of the inner side of the screw cap of fig. 1.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, the anti-hidden damage self-standing bag suction nozzle in the embodiment comprises a screw cap 1 and a suction nozzle 2, wherein an inner side wall of the screw cap 1 is provided with an inner thread 11, an outer side wall of the suction nozzle 2 is provided with an outer thread 21, and the screw cap 1 is in threaded connection with the suction nozzle 2; a connecting ring 12 is arranged at the edge of an opening at the lower end of the spiral cover 1, two unidirectional teeth 13 are arranged on the inner side wall of the connecting ring 12, and the direction of the unidirectional teeth 13 is consistent with the spiral direction of the internal thread 11 on the inner side wall of the spiral cover 1; a limiting ring 22 is arranged on the outer side wall of the suction nozzle 2, the limiting ring 22 is positioned below the external thread 21 on the suction nozzle 2, and two blocking blocks 23 matched with the one-way teeth 13 are arranged on the outer circumferential edge of the limiting ring 22; two arc-shaped grooves 14 are arranged on the lower end face of the lower end opening of the rotary cover 1, the depth of each arc-shaped groove 14 is gradually increased along the rotary direction of the internal thread 11 of the rotary cover 1, and a clamping block 15 is formed at the joint of every two adjacent arc-shaped grooves 14; two positioning blocks 24 are arranged on the limiting ring 22, the front side surface of each positioning block 24 is a first vertical surface 241, the rear side surface of each positioning block 24 is a second vertical surface 242, the upper side surface of each positioning block 24 is a first inclined surface 243, and the first vertical surface 241, the first inclined surface 243 and the second vertical surface 242 are sequentially connected from front to back; the height of first vertical face 241 is greater than the height of second vertical face 242; after the screw cap 1 is screwed on the suction nozzle 2, the latch 15 is snap-fitted with the first inclined surface 243.

The foregoing definitions are: along the rotating direction of the internal thread 11 on the inner side wall of the screw cap 1, the side of the one-way tooth 13 which is firstly contacted with the stop block 23 is front, and the side of the one-way tooth 13 which is secondly contacted with the stop block 23 is back.

Along the screwing direction of the internal thread 11 on the inner side wall of the screw cap 1, the height of the first vertical surface 241 is greater than that of the second vertical surface 242, and the first inclined surface 243 is gradually inclined downwards according to the screwing direction. The positioning block 24 is provided in a relatively thick block shape, and the strength of the positioning block 24 can be increased. When the lower end opening of the screw cap 1 rotates downwards to be in contact with the limiting ring 22 on the outer side wall of the suction nozzle 2, the first inclined surface 243 of the positioning block 24 is embedded into the corresponding arc-shaped groove 14, the clamping block 15 is blocked by the higher first vertical surface 241, the screw cap 1 is prevented from rotating downwards continuously, the connection between the screw cap 1 and the suction nozzle 2 can be prevented from being damaged in a hidden mode, and the screw cap 1 is ensured to be screwed completely in place.

The one-way teeth 13 are square blocks, the outer side faces of the square blocks are connected with the inner side walls of the connecting rings 12, the inner side faces of the square blocks are planes 131, the front side faces of the square blocks are second inclined planes 132, the rear side faces of the square blocks are third vertical planes 133, and the second inclined planes 132, the planes 131 and the third vertical planes 133 are sequentially connected from front to back; the outer edge of the limiting ring 22 is sequentially provided with an arc section 25, a stop block 23 and a transition line section 26; in the process that the screw cap 1 is screwed on the suction nozzle 2, the circular arc section 25 is in contact fit with the second inclined surface 132, the stop block 23 is in snap fit with the third vertical surface 133, and the transition line section 26 is in contact fit with the plane 131. The width of the plane 131 is 2 mm. Above-mentioned one-way tooth 13 sets up to the square piece, can strengthen one-way tooth 13's rigidity, and when making one-way tooth 13 and blockking 23 contact cooperation, the square piece can directly block up and block 23, makes one-way tooth 13 unable upset, prevents spiral cover 1 along suction nozzle 2's circumference antiport. In the process that the screw cap 1 is screwed on the suction nozzle 2, the second inclined surface 132 of the square block can guide along the arc section 25 on the limit ring 22, so that the third vertical surface 133 of the square block is in snap fit with the stop block 23 on the limit ring 22, and the plane 131 of the square block is in contact fit with the transition line section 26 on the limit ring 22. When the user unscrews the screw cap 1 with force, the screw cap 1 rotates reversely, and the resistance between the square block and the blocking block 23 can quickly hook off each easily torn strip to destroy the connection of the connecting ring 12.

An annular convex edge 16 is arranged on the outer side of the opening at the lower end of the screw cap 1, the annular convex edge 16 and the lower end of the screw cap 1 are integrally formed by injection molding, and the connecting ring 12 is positioned below the annular convex edge 16. The annular convex edge 16 can shade the connecting ring 12, so that the rigidity of the screw cap 1 is enhanced, and the connecting ring 12 is prevented from being broken in the packaging and transporting processes.

The internal thread 11 on the inner side wall of the screw cap 1 is two internal thread sections which are arranged in parallel, the external thread 21 on the outer side wall of the suction nozzle 2 is two external thread sections which are arranged in parallel, and the two external thread sections are matched with the two internal thread sections. The two internal thread sections are formed by integral injection molding with the inner side wall of the screw cap 1, and the two internal thread sections can be firmly arranged on the inner side wall of the screw cap 1; the two external thread sections are formed by integral injection molding with the outer side wall of the suction nozzle 2 and can be firmly arranged on the outer side wall of the suction nozzle 2; when a user wants to cover the screw cap 1 on the suction nozzle 2, the two parallel-arranged external thread sections are matched with the two parallel-arranged internal thread sections, and the matching mode of the double threads can enable the outer side wall of the suction nozzle 2 and the inner side wall of the screw cap 1 to be tightly buckled and connected together, so that the positioning is accurate.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A hidden damage prevention suction nozzle for a standing pouch comprises a screw cap and a suction nozzle, wherein an internal thread is arranged on the inner side wall of the screw cap, an external thread is arranged on the outer side wall of the suction nozzle, and the screw cap is in threaded connection with the suction nozzle; the edge of an opening at the lower end of the rotary cover is provided with a connecting ring, the inner side wall of the connecting ring is provided with at least one unidirectional tooth, and the direction of the unidirectional tooth is consistent with the rotary direction of the internal thread on the inner side wall of the rotary cover; the outer side wall of the suction nozzle is provided with a limiting ring, the limiting ring is positioned below the external thread on the suction nozzle, and the outer circumferential edge of the limiting ring is provided with at least one blocking block matched with the one-way teeth; at least two arc-shaped grooves are arranged on the lower end face of the lower end opening of the rotary cover, the depth of each arc-shaped groove is gradually increased along the rotary direction of the internal thread of the rotary cover, and a clamping block is formed at the joint of every two adjacent arc-shaped grooves; the method is characterized in that: the limiting ring is provided with at least one positioning block, the front side surface of the positioning block is a first vertical surface, the rear side surface of the positioning block is a second vertical surface, the upper side surface of the positioning block is a first inclined surface, and the first vertical surface, the first inclined surface and the second vertical surface are sequentially connected from front to back; the height of the first vertical surface is greater than that of the second vertical surface; after the rotary cover is screwed on the suction nozzle, the clamping block is in snap fit with the first inclined plane.

2. The tamper-evident, self-supporting pouch spout of claim 1, wherein: the one-way teeth are square blocks, the outer side faces of the square blocks are connected with the inner side walls of the connecting rings, the inner side faces of the square blocks are planes, the front side faces of the square blocks are second inclined faces, the rear side faces of the square blocks are third vertical faces, and the second inclined faces, the planes and the third vertical faces are sequentially connected from front to back; the outer edge of the limiting ring is sequentially provided with an arc section, the stop block and a transition line section; and in the process that the screw cap is screwed on the suction nozzle, the arc section is in contact fit with the second inclined plane, the stop block is in snap fit with the third vertical surface, and the transition line section is in contact fit with the plane.

3. The tamper-evident, self-supporting pouch spout of claim 2, wherein: the width of the plane is 1mm-3 mm.

4. The tamper-evident, self-supporting pouch spout of claim 1, wherein: the lower extreme opening outside of spiral cover is equipped with annular protruding edge, and annular protruding edge forms with the lower extreme an organic whole of spiral cover is moulded plastics, the clamping ring is in the below on annular protruding edge.

5. The tamper-evident, self-supporting pouch spout of claim 1, wherein: the internal thread on the inner side wall of the spiral cover is two internal thread sections which are arranged in parallel, the external thread on the outer side wall of the suction nozzle is two external thread sections which are arranged in parallel, and the two external thread sections are matched with the two internal thread sections.