CN212173094U

CN212173094U - Fastening sealing cover of plastic packaging container

Info

Publication number: CN212173094U
Application number: CN202020767916.0U
Authority: CN
Inventors: 吴学根
Original assignee: Jiangsu Technetium Plastic Co ltd
Current assignee: Jiangsu Technetium Plastic Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-18
Anticipated expiration: 2030-05-11

Abstract

The utility model relates to the technical field of sealing covers, and discloses a fastening sealing cover of a plastic packaging container, which solves the problems that the fastening effect is poor and the loosening phenomenon is easy to occur in the using process of a common sealing cover, and comprises a cover body, wherein the bottom end of the cover body is in threaded connection with a barrel body; the utility model discloses, fastening nut through the setting, the ring body, the cooperation of expanding spring and fixture block etc. is used, mode through the screw thread drives the screw rod downstream, the stopper produces the extrusion to expanding spring, make expanding spring be in compression state, under expanding spring's effect, make fixture block and the protruding inseparable joint of annular, can accomplish the installation to the lid, at first seal through the screw thread, rethread mechanical mode is fastened, be difficult to take place not hard up phenomenon, cooperation through the sealed pad that sets up and strip-shaped piece etc. is used, through the sealed pad that sets up, can improve the leakproofness of lid, strip-shaped piece through the setting, the user of being convenient for rotates the lid.

Description

Fastening sealing cover of plastic packaging container

Technical Field

The utility model belongs to the technical field of sealed lid, specifically be a sealed lid of linking closely of plastic packaging container.

Background

The sealing can be classified into static sealing and dynamic sealing, the sealing is a part or measure for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading into the interior of machine equipment, the static sealing refers to a seal for tightly sealing letter and relic in a sealed container of a sealed cabin, wherein the sealing of a plastic packaging container is static sealing which is generally sealed by a sealing cover.

However, in the process of using the common sealing cover, the fastening effect is poor, and the loosening phenomenon is easy to occur.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a plastic packaging container's sealed lid of fastening has effectually solved general sealed lid at the in-process that uses, and the effect of fastening is relatively poor, takes place the problem of not hard up phenomenon easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tight sealed lid that buckles of plastic packaging container, which comprises a cover body, the bottom threaded connection of lid has the staving, the outside top fixedly connected with annular arch of staving, the marginal equidistance fixedly connected with U-shaped piece of lid, the U-shaped piece rotates through the round pin axle and is connected with the link, the bottom fixedly connected with quarter butt of link, the bottom fixedly connected with connecting piece of quarter butt, the through-hole has been seted up to the bottom of connecting piece, the inside of through-hole is pegged graft and is had the screw rod, the top fixedly connected with stopper of screw rod, and the top of screw rod has cup jointed expanding spring, expanding spring arranges the inside of connecting piece in, the ring body has been cup jointed to the bottom of screw rod, the.

Preferably, the edge of the cover body is fixedly connected with strip-shaped blocks at equal intervals, and anti-skid grains are carved on the outer portions of the strip-shaped blocks.

Preferably, the inner side of the cover body is provided with an internal thread, and the outer side of the top of the barrel body is provided with an external thread.

Preferably, both sides of the fastening nut are fixedly connected with rotating rods, and the rotating rods are obliquely arranged.

Preferably, the cover body is internally provided with a sealing gasket, and the sealing gasket is made of rubber.

Preferably, the two sides of the connecting piece are provided with strip-shaped openings, and the width of each strip-shaped opening is smaller than that of the limiting block.

Compared with the prior art, the beneficial effects of the utility model are that:

1) during operation, through the matching use of the arranged fastening nut, the ring body, the telescopic spring, the clamping block and the like, firstly, the cover body is arranged at the top end of the barrel body in a threaded manner, then the fastening nut is loosened to make the ring body move downwards, then the ring body is pressed to make the clamping block on the ring body clamped with the annular bulge on the barrel body, wherein the cross section of the annular bulge is L-shaped, then the fastening nut is screwed, the fastening nut drives the screw rod to move downwards in a threaded mode, the limit block extrudes the telescopic spring to enable the telescopic spring to be in a compressed state, under the action of the telescopic spring, the clamping block is tightly clamped with the annular bulge, and meanwhile, the telescopic spring can avoid the barrel body from being damaged by overlarge force, the installation of the cover body can be completed, the cover body is firstly sealed through threads and then fastened in a mechanical mode, the fastening effect is good, and the loosening phenomenon is not easy to occur;

2) the sealing gasket is arranged on the cover body, the sealing gasket is arranged on the sealing gasket, the strip-shaped block is arranged on the sealing gasket, the sealing gasket is arranged on the strip-shaped block, and the cover body is arranged on the sealing gasket.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the mounting structure of the connector of the present invention;

fig. 3 is a schematic view of the installation structure of the sealing cover of the present invention;

in the figure: 1. a cover body; 2. a barrel body; 3. an annular projection; 4. a U-shaped block; 5. hanging a ring; 6. a short bar; 7. a connecting member; 8. a through hole; 9. a screw; 10. a limiting block; 11. a tension spring; 12. a ring body; 13. a clamping block; 14. fastening a nut; 15. a bar-shaped block; 16. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the first embodiment, as shown in fig. 1, 2 and 3, the utility model comprises a cover body 1, a barrel body 2 is connected to the bottom end of the cover body 1 by screw threads, the barrel body 2 can be sealed, an annular bulge 3 is fixedly connected to the top of the outer side of the barrel body 2, a U-shaped block 4 is fixedly connected to the edge of the cover body 1 at equal intervals, the U-shaped block 4 is rotatably connected with a hanging ring 5 by a pin shaft, a short rod 6 is fixedly connected to the bottom end of the hanging ring 5, a connecting piece 7 is fixedly connected to the bottom end of the short rod 6, a through hole 8 is formed at the bottom end of the connecting piece 7, a screw 9 is inserted into the through hole 8, a limiting block 10 is fixedly connected to the top end of the screw 9, the screw 9 can be prevented from being separated from the connecting piece 7, an extension spring 11 is sleeved on the top of the screw 9 and can provide a certain pressure, and the bottom end of the screw rod 9 is also in threaded connection with a fastening nut 14, so that the ring body 12 can be fixed conveniently.

Embodiment two, on the basis of embodiment one, the marginal equidistance fixedly connected with bar piece 15 of lid 1, and the outside of bar piece 15 is carved with anti-skidding line, and the user of being convenient for rotates lid 1.

In the third embodiment, on the basis of the first embodiment, the inner side of the cover body 1 is provided with an internal thread, and the outer side of the top of the barrel body 2 is provided with an external thread, so that the cover body 1 and the barrel body 2 can be conveniently connected.

Fourth, on the basis of first embodiment, the equal fixedly connected with bull stick in both sides of fastening nut 14, and the equal slope setting of bull stick, the user of being convenient for rotates fastening nut 14.

In the fifth embodiment, on the basis of the first embodiment, the sealing gasket 16 is installed inside the cover body 1, and the sealing gasket 16 is made of a rubber material, so that the sealing performance is good.

Sixth embodiment, on the basis of first embodiment, the bar opening has all been seted up to the both sides of connecting piece 7, and bar open-ended width dimension is less than stopper 10's size, and the user of being convenient for observes stopper 10's position.

The working principle is as follows: when in work, the cover body 1 is firstly arranged at the top end of the barrel body 2 in a threaded manner, then the fastening nut 14 is loosened to enable the ring body 12 to move downwards, then the ring body 12 is pressed to ensure that the clamping block 13 on the ring body 12 is clamped with the annular bulge 3 on the barrel body 2, wherein the cross section of the annular bulge 3 is L-shaped, then the fastening nut 14 is screwed, the screw rod 9 is driven to move downwards in a thread mode, the limit block 10 extrudes the telescopic spring 11 to enable the telescopic spring 11 to be in a compression state, the clamping block 13 is tightly clamped with the annular bulge 3 under the action of the telescopic spring 11, the installation of the cover body 1 can be finished, the sealing is firstly carried out through the screw thread, and then the fastening is carried out through the mechanical mode, the fastening effect is good, the loosening phenomenon is not easy to occur, through the sealed pad 16 that sets up, can improve the leakproofness of lid 1, through the bar piece 15 that sets up, the user of being convenient for rotates lid 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed lid of fastening of plastic packaging container, includes lid (1), its characterized in that: the bottom end of the cover body (1) is in threaded connection with the barrel body (2), the top of the outer side of the barrel body (2) is fixedly connected with an annular bulge (3), U-shaped blocks (4) are fixedly connected with the edge of the cover body (1) at equal intervals, the U-shaped blocks (4) are rotatably connected with hanging rings (5) through pin shafts, the bottom ends of the hanging rings (5) are fixedly connected with short rods (6), connecting pieces (7) are fixedly connected with the bottom ends of the short rods (6), through holes (8) are formed in the bottom ends of the connecting pieces (7), screw rods (9) are inserted into the through holes (8), and limit blocks (10) are fixedly connected, and the top of screw rod (9) has cup jointed expanding spring (11), and inside connecting piece (7) is arranged in to expanding spring (11), and ring body (12) have been cup jointed to the bottom of screw rod (9), and the top fixedly connected with fixture block (13) of ring body (12), and the bottom of screw rod (9) still threaded connection has fastening nut (14).

2. A snap-seal closure for a plastic packaging container as defined in claim 1 wherein: the edge equidistance fixedly connected with bar piece (15) of lid (1), and the outside of bar piece (15) is carved with anti-skidding line.

3. A snap-seal closure for a plastic packaging container as defined in claim 1 wherein: the inner side of the cover body (1) is provided with an internal thread, and the outer side of the top of the barrel body (2) is provided with an external thread.

4. A snap-seal closure for a plastic packaging container as defined in claim 1 wherein: the two sides of the fastening nut (14) are fixedly connected with rotating rods, and the rotating rods are obliquely arranged.

5. A snap-seal closure for a plastic packaging container as defined in claim 1 wherein: the inside of lid (1) installs sealed pad (16), and sealed pad (16) adopt the rubber material to make.

6. A snap-seal closure for a plastic packaging container as defined in claim 1 wherein: the strip-shaped openings are formed in the two sides of the connecting piece (7), and the width of each strip-shaped opening is smaller than that of the limiting block (10).