CN215157178U - Multifunctional plastic cover - Google Patents

Abstract

The utility model discloses a multifunctional plastic cover, include the lid of being made by the plastic material, the lid appearance is the setting of class cylinder form, the interior bottom surface arch of lid has the insert ring, the axis of insert ring and the coaxial setting of axis of lid, the inner peripheral surface of lid is provided with the internal thread that supplies container opening threaded connection, a plurality of ring channels have been seted up to the outer peripheral face of insert ring, a plurality of ring channels are along inserting equidistant distribution of ring axis direction, the grafting is fixed with the sealing washer in the ring channel, the sealing washer protrusion sets up outside the ring channel, the slot that is linked together with the ring channel is seted up to the outer peripheral face of insert ring, be provided with in the insert ring and pull the piece of accomodating in the slot with the just right sealing washer part of slot. Through adopting above-mentioned setting, have and to combine together threaded connection function and sealing strip sealing function to further improve the function of plastics lid leakproofness.

Description

Multifunctional plastic cover

Technical Field

The utility model relates to a technical field of lid structure, concretely relates to multi-functional plastic cover.

Background

Lids are commonly used to seal the opening of open-top containers to reduce the ingress of ambient air into the container and contaminate the product stored therein. The existing cover is mostly a threaded cover and a plug-in type cover, the threaded cover is in threaded connection with an opening of a container in a threaded connection mode, the plug-in type cover is in plug-in connection with the opening of the container through sealed plug-in connection, and a sealing strip on the periphery of the cover is tightly abutted to the inner wall of the container, so that a sealing function is realized.

With the increasing living standard of people, the containers are sometimes used for storing articles with high requirements on tightness, such as medicines or foods. However, the existing threads are caps, and gaps often exist at the threaded connection points between the caps and the containers, so that external air enters the containers; meanwhile, the existing plug-in type cover mainly utilizes the sealing strip to realize the sealing effect, but the plug-in type cover can deform and damage more or less in the frequent installation and disassembly process, so that the sealing effect of the plug-in type cover is reduced. The existing cover has no cover structure which combines the threaded connection function and the sealing strip inserting and sealing function.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a multifunctional plastic cover, which has the functions of combining the threaded connection function and the sealing function of a sealing strip, thereby further improving the sealing performance of the plastic cover.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a multi-functional plastic cover, includes the lid, the interior bottom surface arch of lid has the insert ring, and the inner peripheral surface of lid is provided with the internal thread, the outer peripheral face of inserting the ring is provided with a plurality of sealing washers, and is a plurality of the sealing washer is followed insert ring axis direction interval distribution, the outer peripheral face of inserting the ring seted up with the just right slot of sealing washer, insert the ring be provided with pull the sealing washer part accomodate in the piece that pulls in the slot.

Further, a straight hole is formed in the end face of the cover body, which is far away from the cover opening of the cover body, a limiting groove communicated with the slot is formed in the inner circumferential surface of the straight hole, the limiting groove extends in the direction close to the orifice of the straight hole, a gap is formed between the limiting groove and the hole bottom surface of the straight hole, a sliding groove is formed in the limiting groove, which faces the inner side wall of the slot, and is communicated with the slot, the traction piece comprises a straight rod inserted into the straight hole, a limiting block is fixedly connected to the outer circumferential surface of the straight rod and is slidably connected with the limiting groove, the limiting block slides in the extending direction of the limiting groove, the end face of the limiting block, which is far away from the straight rod, is an inclined plane which is obliquely arranged towards the inner bottom surface of the straight hole, an insertion block is inserted into the slot, the insertion block is fixedly connected with the sealing ring, and a sliding block is fixedly connected to the end face of the insertion block, which is far away from the sealing ring, the slider with spout sliding connection, the slider is kept away from the terminal surface of inserted block is the inclined plane setting, the inclined plane of inserted block with the inclined plane of stopper is parallel to each other, the inclined plane of inserted block with the inclined plane looks butt of stopper, the interior bottom surface fixedly connected with spacing spring of straight hole, spacing spring keep away from the one end of straight-hole interior bottom surface with straight-bar fixed connection.

Further, a compression spring is fixedly connected to the inner bottom surface of the slot, one end, far away from the inner bottom surface of the slot, of the compression spring is fixedly connected with the insertion block, and the compression spring is in a stretching state.

Furthermore, the number of the traction pieces is at least two, one end of each straight rod protruding out of the straight hole is fixedly connected with a handle, a distance is reserved between the handle and the end face of the cover body far away from the cover opening of the cover body, a concave part is recessed in the end face of the cover body far away from the cover opening of the cover body, and the concave part and the handle are arranged in a right-to-right mode.

Furthermore, a limit ring protrudes from one side, close to the inner bottom surface, of the inner peripheral surface of the cover body, an annular clamping groove is formed between the limit ring and the inner bottom surface of the cover body, an annular channel is formed between the inner peripheral surface of the cover body and the outer peripheral surface of the insert ring, a sealing ring sheet is inserted into the annular channel and abutted against the inner bottom surface of the cover body, and the sealing ring sheet is inserted into the annular clamping groove for limiting.

Further, the peripheral surface of the cover body is provided with anti-skid grains.

The utility model discloses following beneficial effect has:

the utility model provides a multi-functional plastic cover, inner peripheral surface through at the lid sets up the internal thread, thereby realize lid and container opening threaded connection's function, set up the sealing washer through the outer peripheral face at the insert ring simultaneously, when making insert ring and container opening peg graft, the sealing washer can support tightly with container opening inner wall well, simultaneously because the quantity of sealing washer is two at least, consequently, support tightly through a plurality of sealing washers and container opening inner wall, with the leakproofness when further improving lid and container opening cooperation, thereby realize the lid and can be with the effect that threaded connection function and sealing strip sealing function combined together, with the function of further improvement plastic cover leakproofness. In addition, the inserting ring is provided with the slot, and meanwhile, the traction effect of the traction piece is utilized, so that the sealing ring right opposite to the slot can be locally accommodated in the slot, when the cover body needs to be opened or installed, the traction piece can be firstly pulled, the sealing ring right opposite to the slot is accommodated in the slot, further, the assembling or disassembling process is reduced, the sealing ring is completely and tightly abutted against the opening of the container, meanwhile, the condition that a relative vacuum state is formed among multiple layers of sealing rings is eliminated, the inserting ring is easier to be inserted into the opening of the container, the internal thread of the cover body is conveniently in threaded connection with the opening of the container, and the multifunctional combined type sealing ring has the function of simplicity and convenience in operation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the overall structure of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is the overall structure full-section schematic diagram of the utility model.

Fig. 5 is a partially enlarged view of B in fig. 4.

Fig. 6 is a schematic structural view of the traction member of the present invention.

Fig. 7 is a partial enlarged view at C in fig. 6.

Fig. 8 is a schematic view of the cover structure of the present invention.

Fig. 9 is a partial enlarged view of fig. 8 at D.

Fig. 10 is a schematic partial sectional view of the cover structure of the present invention.

Fig. 11 is a partial enlarged view at E in fig. 10.

In the figure: 1. a cover body; 11. an internal thread; 12. anti-skid lines; 13. a limiting ring; 131. an annular neck; 14. Inserting a ring; 141. a straight hole; 142. a slot; 143. a chute; 144. a limiting groove; 145. an annular groove; 15. an annular channel; 16. a recessed portion; 17. a seal ring; 18. a sealing ring sheet; 2. a traction member; 21. a straight rod; 22. a handle; 23. a limiting block; 24. a limiting spring; 25. inserting a block; 26. a slider; 27. compressing the spring.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. In the present specification, the terms "upper", "inner", "middle", "left", "right" and "one" are used for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the corresponding parts may be changed or adjusted without substantial technical changes.

Referring to fig. 1 to 11, a multifunctional plastic cap includes a cap body 1 made of plastic material, the cap body 1 is shaped like a cylinder, an insert ring 14 protrudes from an inner bottom surface of the cap body 1, an axis of the insert ring 14 is coaxial with an axis of the cap body 1, an inner circumferential surface of the cap body 1 is provided with an internal thread 11 for a threaded connection of a container opening (bottle mouth), an outer circumferential surface of the insert ring 14 is provided with a plurality of annular grooves 145, the plurality of annular grooves 145 are distributed at equal intervals along an axial direction of the insert ring 14, the number of the annular grooves 145 is two in the embodiment, a sealing ring 17 is inserted and fixed in the annular grooves 145, the sealing ring 17 protrudes out of the annular grooves 145, the outer circumferential surface of the insert ring 14 is provided with slots 142 communicated with the annular grooves 145, each annular groove 145 corresponds to two slots 142 in the embodiment, the two slots 142 of each annular groove 145 are respectively arranged on two sides of the axial direction of the insert ring 14, the insertion grooves 142 of the two annular grooves 145 are arranged opposite to each other, and the insert ring 14 is provided with a traction piece 2 which draws the seal ring 17 opposite to the insertion grooves 142 and is partially accommodated in the insertion grooves 142.

Specifically, through set up internal thread 11 at the inner peripheral surface of lid 1, thereby realize lid 1 and container opening threaded connection's function, simultaneously through setting up sealing washer 17 at the outer peripheral face of inserting ring 14, when making inserting ring 14 and container opening peg graft, sealing washer 17 can support tightly with container opening inner wall well, simultaneously because the quantity of sealing washer 17 is two at least, consequently, support tightly through a plurality of sealing washers 17 and container opening inner wall, with the leakproofness when further improving lid 1 and container opening cooperation, thereby realize lid 1 and can be with the effect that threaded connection function and sealing strip sealing function combined together, with the function of further improvement plastics lid leakproofness. In addition, the insertion ring 14 is provided with the insertion groove 142, and the traction effect of the traction piece 2 is utilized, so that the sealing ring 17 opposite to the insertion groove 142 can be locally accommodated in the insertion groove 142, when the cover body 1 needs to be opened or installed, the traction piece 2 can be firstly pulled, and the sealing ring 17 opposite to the insertion groove 142 is accommodated in the insertion groove 142, so that the situation that the sealing ring 17 and the container opening are completely abutted to each other in the assembling or disassembling process is reduced, meanwhile, the relative vacuum state formed among the multiple layers of sealing rings 17 is eliminated, the insertion ring 14 is easier to be inserted into the container opening, the internal thread 11 of the cover body 1 is conveniently in threaded connection with the container opening, and the operation is simple and convenient.

Referring to fig. 1 to 11, the slot 142 is long, the length direction of the slot 142 is horizontally perpendicular to the axis of the insert ring 14, the end surface of the cover body 1 away from the cover opening is provided with two straight holes 141, the inner peripheral surface of the straight hole 141 is provided with a limiting groove 144 communicated with the slot 142, the limiting groove 144 extends in the direction close to the hole opening of the straight hole 141, a gap is formed between the limiting groove 144 and the hole bottom surface of the straight hole 141, the limiting groove 144 is provided with a sliding groove 143 facing the inner side wall of the slot 142, the sliding groove 143 is communicated with the slot 142, the traction member 2 includes a straight rod 21 inserted into the straight hole 141, the outer peripheral surface of the straight rod 21 is fixedly connected with a limiting block 23, the limiting block 23 is slidably connected with the limiting groove 144, the limiting block 23 slides in the extending direction of the straight rod 144, the end surface of the limiting block 23 away from the straight rod 21 is an inclined surface inclined toward the inner bottom surface of the straight hole 141, the slot 142 is provided with an insert block 25, the insert block 25 is fixedly connected with the seal ring 17, the end face, far away from the sealing ring 17, of the insertion block 25 is fixedly connected with a sliding block 26, the sliding block 26 is in sliding connection with the sliding groove 143, the end face, far away from the insertion block 25, of the sliding block 26 is arranged in an inclined plane, the inclined plane of the insertion block 25 is parallel to the inclined plane of the limiting block 23, the inclined plane of the insertion block 25 is abutted to the inclined plane of the limiting block 23, the inner bottom face of the straight hole 141 is fixedly connected with a limiting spring 24, and one end, far away from the inner bottom face of the straight hole 141, of the limiting spring 24 is fixedly connected with the straight rod 21.

Specifically, by arranging the straight rod 21 inserted into the straight hole 141, since the stopper 23 slides along the rod length direction of the straight rod 21, the inclined surface of the stopper 23 is inclined toward the inner bottom surface of the straight hole 141, and the seal ring 17 is made of an elastic rubber material, the seal ring 17 generates a radial force on the outer peripheral surface of the insert ring 14 under the elastic extrusion action of the seal ring 17, so that the slider 26 of the insert block 25 is pushed to abut against the stopper 23. In addition, because the inclined plane of the sliding block 26 and the inclined plane of the limiting block 23 are arranged in parallel, when the straight rod 21 is pulled outside the straight hole 141, the limiting block 23 slides towards the direction close to the orifice of the straight hole 141, and simultaneously, under the elastic action of the sealing ring 17, the insertion block 25 and the sliding block 26 are driven to slide towards the direction close to the straight rod 21, and simultaneously, part of the sealing ring 17 is driven to be accommodated in the slot 142, and meanwhile, the state that the sealing ring 17 and the inner wall of the opening of the container are tightly abutted to each other is released.

Referring to fig. 1 to 11, in order to reduce the radial force generated by the elastic force of the gasket 17, the gasket 17 cannot be received in the insertion groove 142, and thus it is not obvious to release the tight contact between the gasket 17 and the inner wall of the container opening. A space is reserved between the insertion block 25 and the inner bottom surface of the slot 142, a compression spring 27 is fixedly connected to the inner bottom surface of the slot 142, one end, far away from the inner bottom surface of the slot 142, of the compression spring 27 is fixedly connected with the insertion block 25, and the compression spring 27 is in a stretching state. Specifically, by providing the compression spring 27, the compression spring 27 pulls the insert 25 to slide toward the slot 142 in the initial state by the restoring action of the compression spring 27, and the seal ring 17 is partially received in the slot 142. However, the limiting function of the inclined surface of the limiting block 23 and the inclined surface of the sliding block 26, under the pulling action of the limiting spring 24, can make the limiting block 23 move towards the direction away from the orifice of the straight hole 141, so as to push the insertion block 25 to move towards the direction of the notch of the slot 142, so that the compression spring 27 is in a stretching state, and meanwhile, push the sealing ring 17 to protrude out of the slot 142 to abut against the inner wall of the opening of the container, thereby playing a role of abutting against or canceling abutting against.

In this embodiment, each annular groove 145 corresponds to two slots 142, and the slots 142 of the two annular grooves 145 are disposed opposite to each other, so that the number of the traction members 2 is two, and the two traction members are respectively arranged on two sides of the axis of the cover body 1. One end of the two straight rods 21 protruding out of the straight hole 141 is fixedly connected with the same handle 22, and a space is formed between the handle 22 and the end face of the cover body 1 far away from the cover opening of the cover body, so that a user can insert fingers into a gap between the handle 22 and the cover body 1, and the function of pulling the handle 22 is achieved. The end face of the cover body 1 far away from the cover opening is recessed with a recessed part 16, the recessed part 16 is opposite to the handle 22, and further the distance between the handle 22 and the cover body 1 is increased, so that the operation of pulling the handle 22 is simple and convenient.

Referring to fig. 1 to 11, the sealing property between the lid body 1 and the container opening is further improved. A limiting ring 13 protrudes from one side, close to the inner bottom surface, of the inner peripheral surface of the cover body 1, an annular clamping groove 131 is formed between the limiting ring 13 and the inner bottom surface of the cover body 1, an annular channel 15 is formed between the inner peripheral surface of the cover body 1 and the outer peripheral surface of the inserting ring 14, a sealing ring sheet 18 is inserted in the annular channel 15, the sealing ring sheet 18 is abutted to the inner bottom surface of the cover body 1, and the sealing ring sheet 18 is inserted in the annular clamping groove 131 for limiting. Specifically, by arranging the sealing ring piece 18 on the inner bottom surface of the annular channel 15, when the container opening is connected and matched with the internal thread 11 and the insert ring 14 of the cover body 1, the container opening can be well abutted against the sealing ring piece 18, so that the sealing performance of the cover body 1 after being connected and matched with the container is further improved.

The outer peripheral surface of the cover body 1 is provided with anti-skidding lines 12, so that a user can conveniently twist the outer peripheral surface of the cover body 1, and the beneficial effect of anti-skidding and easiness in twisting is achieved.

When the plastic cover needs to be installed at the opening of the container, firstly, fingers are inserted into a gap between the handle 22 and the cover body 1, meanwhile, the handle 22 is pulled towards one side far away from the cover body 1, the handle 22 is utilized to synchronously pull the straight rods 21 and the limiting blocks 23 to move towards the direction far away from the orifice of the straight hole 141, so that the insert block 25 drives the non-sealing ring 17 to be accommodated in the insert slot 142, thereby being convenient for inserting the insert ring 14 into the opening of the container, meanwhile, the fingers grasp the outer circumferential surface of the cover body 1 and screw the cover body 1, so that the internal threads 11 of the cover body 1 are in threaded connection with the opening of the container until the insert ring 14 is completely inserted into the opening of the container, and meanwhile, the edge of the opening of the container is tightly abutted against the sealing ring piece 18. Finally, the handle 22 is pulled by contact, so that the insert block 25 pushes the seal ring 17 to be tightly abutted against the inner wall of the opening of the container under the pushing action of the limiting block 23, and a good sealing effect is achieved through various sealing modes.

The embodiment of the present invention is not limited to this, according to the above-mentioned content of the present invention, the common technical knowledge and the conventional means in the field are utilized, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or combinations in various forms, all falling within the protection scope of the present invention.

Claims (6)

1. A multifunctional plastic cover is characterized in that: the novel sealing ring is characterized by comprising a cover body, wherein an inserting ring is arranged on the inner bottom surface of the cover body in a protruding mode, internal threads are arranged on the inner circumferential surface of the cover body, a plurality of sealing rings are arranged on the outer circumferential surface of the inserting ring and distributed at intervals in the axis direction of the inserting ring, a slot right opposite to the sealing rings is formed in the outer circumferential surface of the inserting ring, and a traction piece for drawing the local portion of the sealing rings to be contained in the slot is arranged on the inserting ring.

2. A multi-functional plastic closure in accordance with claim 1, wherein: the end face of the cover body, which is far away from the cover opening, is provided with a straight hole, the inner peripheral surface of the straight hole is provided with a limiting groove communicated with the slot, the limiting groove extends along the direction close to the orifice of the straight hole, a space is reserved between the limiting groove and the bottom face of the straight hole, the limiting groove is provided with a sliding groove towards the inner side wall of the slot, the sliding groove is communicated with the slot, the traction piece comprises a straight rod spliced with the straight hole, the outer peripheral surface of the straight rod is fixedly connected with a limiting block, the limiting block is connected with the limiting groove in a sliding manner, the limiting block slides along the extending direction of the limiting groove, the end face of the limiting block, which is far away from the straight rod, is an inclined plane inclined towards the inner bottom face of the straight hole, the slot is spliced with an insertion block, the insertion block is fixedly connected with the sealing ring, and the insertion block is far away from the end face of the sealing ring and is fixedly connected with a sliding block, the slider with spout sliding connection, the slider is kept away from the terminal surface of inserted block is the inclined plane setting, the inclined plane of inserted block with the inclined plane of stopper is parallel to each other, the inclined plane of inserted block with the inclined plane looks butt of stopper, the interior bottom surface fixedly connected with spacing spring of straight hole, spacing spring keep away from the one end of straight-hole interior bottom surface with straight-bar fixed connection.

3. A multi-functional plastic closure in accordance with claim 2, further comprising: the inner bottom surface of the slot is fixedly connected with a compression spring, one end of the compression spring, which is far away from the inner bottom surface of the slot, is fixedly connected with the insertion block, and the compression spring is in a stretching state.

4. A multi-functional plastic closure in accordance with claim 2, further comprising: the number of the traction pieces is at least two, one end of the straight rods protruding out of the straight holes is fixedly connected with a handle, a space is reserved between the handle and the end face of the cover body far away from the cover opening of the cover body, a concave part is recessed in the end face of the cover body far away from the cover opening of the cover body, and the concave part and the handle are arranged in an opposite mode.

5. A multi-functional plastic closure in accordance with claim 1, wherein: a limiting ring protrudes from one side, close to the inner bottom surface, of the inner peripheral surface of the cover body, an annular clamping groove is formed between the limiting ring and the inner bottom surface of the cover body, an annular channel is formed between the inner peripheral surface of the cover body and the outer peripheral surface of the insert ring, a sealing ring sheet is inserted in the annular channel and abutted against the inner bottom surface of the cover body, and the sealing ring sheet and the annular clamping groove are inserted for limiting.

6. A multi-functional plastic closure in accordance with claim 1, wherein: the outer peripheral surface of the cover body is provided with anti-skid grains.

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