CN112978066A

CN112978066A - Quick-assembly locking cap suitable for containers with annular neck openings

Info

Publication number: CN112978066A
Application number: CN202110407619.4A
Authority: CN
Inventors: 季浩浩; 佟振博
Original assignee: Suzhou Xinmaide Medical Appliance Technology Co ltd
Current assignee: Suzhou Xinmaide Medical Appliance Technology Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-06-18

Abstract

In order to solve the problems of high assembly and production difficulty of the locking cover, difficulty in ensuring yield and high production cost, the outer cover is integrally formed, the fracture part of the tearing structure of the outer cover is controllable and more reliable, foreign matters cannot fall off, and the influence of assembly clearance on dust prevention and shielding effects is not required to be considered.

Description

Quick-assembly locking cap suitable for containers with annular neck openings

Technical Field

The invention relates to the technical field of locking caps, in particular to a locking cap which is quickly assembled and is suitable for a container with an annular neck opening.

Background

The traditional encapsulation mode of locking lid is for covering an aluminium lid outside the plug, in order to protect the plug and with the fine sealed of glass bottle, also in order to distinguish whether used, in case used, the aluminium lid can be porose.

Disclosure of Invention

In view of the above, in order to solve the problems that the assembly and production difficulty of the locking cover is high, the yield is not easy to guarantee, and the production cost is high, the outer cover is integrally formed, the fracture part of the tearing structure of the outer cover is controllable and more reliable, foreign matters cannot fall off, and the influence of the assembly gap on the dust prevention and shielding effects is not required to be considered.

A quick-assembly locking cap suitable for a container with an annular neck opening, the locking cap comprising an outer cap 100, a rubber plug 200 and a container 300, the rubber plug 200 being disposed inside the outer cap 100, the outer cap 100 being sleeved on the neck of the container 300, characterized in that: the outer cap 100 is an integrally formed inner and outer ring structure, the outer cap 100 is composed of an outer cap inner ring 101 and an outer cap outer ring 102, the outer cap inner ring 101 and the outer cap outer ring 102 are connected through a tearing structure 119, the tearing structure 119 is located at the bottom of the outer cap inner ring 101 or at the peripheral extension part of the outer cap inner ring 101, the outer side of the outer cap outer ring 102 vertically extends downwards to form a whole peripheral side wall to form a hollow structure, a central hole 103 is formed in the center of the top of the outer cap 100, after the inner ring 101 is torn and removed, the central hole 103 is used for leaving a channel for a syringe puncture needle, the bottom of the central hole is an open hole for receiving the container 300, two sets of clamping structures 120 are arranged on.

Further, the locking cover is a locking cover that can be opened with one hand.

Further, the material of the outer cover 100 is a plastic material with certain elasticity, and the elastic material is selected to make the engaging structure 120 have certain elasticity.

Further, two sets of block structures 120 are two sets of elastic arms 104, two sets of elastic arms 104 are the back-off structure, two sets of elastic arms 104 include upper elastic arm 105 and lower elastic arm 106, upper elastic arm 105 and plug 200 block, lower elastic arm 106 and container 300 neck block, fix plug 200 between container 300 and enclosing cover 100 completely through two sets of elastic arms 104, the position that the top of enclosing cover 100 corresponds elastic arm 104 is equipped with keeps away a hole 107, hand grab position 108 is left to the outer loop inboard, sufficient space gripping inner ring when convenience of customers uses, hand grab position width is 2-8mm, preferably 4.6 mm.

Further, the upper layer elastic arm 105 and the lower layer elastic arm 106 are arranged in a ring shape, the number of the upper layer elastic arm 105 and the lower layer elastic arm 106 is 3-8, preferably 3, the wall thickness of the part of the elastic arm 104 connected to the outer cover 100 is larger than the wall thickness of the elastic arm 104 far away from the outer cover 100, the elastic arm 104 far away from the outer cover 100 has better elasticity, the size of the elastic arm 104 in the width direction is 3-20 times, preferably 10 times, the width of the position-avoiding hole 107 is larger than the width of the elastic arm 102, so that the mold forming is facilitated.

Further, the resilient arms 104 comprise a first assembly surface 110 and a first engagement surface 109, the first assembly surface 110 is at an angle in the range of 10 ° to 40 °, preferably 25 °, and the first engagement surface 109 is at an angle in the range of 20 ° to 50 °, preferably 36 °, to the inner wall of the cover 100.

Further, the two sets of engaging structures 120 are two layers of annular hooks 111, the two sets of annular hooks 111 include an upper annular hook 112 and a lower annular hook 113, the upper annular hook 112 is engaged with the rubber plug 200, and the lower annular hook 113 is engaged with the neck of the container 300, so as to fix the rubber plug 200 between the container 300 and the outer lid 100.

Further, the outer side of the rubber plug 200 is provided with an annular groove 202 which is clamped with the upper annular hook 112 of the outer cover 100, so that the rubber plug 200 is fixed during pre-assembly, and the rubber plug 200 is prevented from falling off from the bottom during pre-assembly.

Further, the upper layer annular hook 112 comprises a second assembling surface 114 and a second clamping surface 115, and the included angle between the second assembling surface 114 and the vertical direction is 25-65 degrees, preferably 45 degrees; the included angle between the second clamping surface 115 and the vertical direction is 25-65 degrees, preferably 45 degrees; the lower annular hook 113 includes a third assembling surface 121 and a third engaging surface 122, and an included angle between the third assembling surface 121 and the vertical direction is 10 ° to 50 °, preferably 26.5 °; the angle between the third engaging surface 122 and the vertical direction is 35-75 degrees, preferably 53 degrees, the rubber plug 200 is provided with a fourth engaging surface 201, and the angle between the fourth engaging surface 201 and the vertical direction is 40-80 degrees, preferably 60 degrees.

Furthermore, the tearing structure 119 is a plurality of ribs 116 with small cross-sectional areas or a whole-circumference annular sheet 117, the strength of the structure of the ribs 116 with small cross-sectional areas is far smaller than that of other parts at the periphery, so that the breaking positions are stable and controllable, and no foreign matter is generated due to fragmentation, the number of the ribs 116 is 4-10, preferably 6, and the breaking surfaces of the ribs 116 can be in any shape: rectangular, round and oval, preferably rectangular, simple in structure and beneficial to production, and the cross-sectional area of the rib position 116 is 0.02-0.8mm²Preferably 0.56mm²When the outer cap inner ring 101 is torn by hand, the bead 116 is broken, the outer cap inner ring 101 is removed from the outer cap 100 body,the outer cap outer ring 102 is left in the neck of the container and the inner ring shroud is released, whereupon the capsule 200 can be pierced and the medicament in the container 300 can be removed using a device such as a syringe, the annular sheet 117 being 0.1mm to 0.5mm, preferably 0.1mm, in thickness at its thinnest point throughout the circumference.

Further, the diameter of the inner ring 101 of the outer cover is 5mm to 15mm, preferably 8.4mm, a tearing handle 123 is arranged at the extension of the inner ring 101 of the outer cover, and the width of the handle 123 is 1mm to 5mm, preferably 3 mm.

Further, an annular positioning column 118 vertically extends downward from the outer cover outer ring 102 near the center, and the positioning column 118 plays a role of supporting the rubber plug 200 when being assembled with the rubber plug 200, so as to press the rubber plug 200 and the outer cover 100 tightly, thereby avoiding falling off during pre-assembly.

Further, enclosing cover inner ring 101 is close to the perpendicular downwardly extending reference column 118 of central point position, reference column 118 is double ring structure, this reference column 118 plays the effect that supports plug 200 when assembling with plug 200, be used for compressing tightly plug 200 and enclosing cover 100, double ring structure makes reference column 118 can provide more stable support to plug 200, avoid plug 200 skew, after tearing pull removal enclosing cover inner ring 101, reference column 118 is also removed together, the annular groove 202 and the upper strata pothook 112 block of plug 200 this moment, avoid the plug to deviate from by the top.

Further, the outer lid 100 is of a ring or barrel configuration and can be adapted to all containers 300 having a circular neck with a lip-shaped outer edge, and such containers 300 are also commonly used, but the circular configuration eliminates the need for angular positioning of the device, both the outer lid 100 and the plug 200, and the outer lid 100 and the container 300.

The invention has the beneficial effects that: in order to solve the problems of high assembly and production difficulty of the locking cover, difficulty in ensuring yield and high production cost, the outer cover is integrally formed, the fracture part of the tearing structure of the outer cover is controllable and more reliable, foreign matters cannot fall off, and the influence of assembly clearance on dust prevention and shielding effects is not required to be considered.

Drawings

Fig. 1 is a schematic view of the overall appearance of a quick-assembly locking cap of the present invention suitable for use with a container having an annular neck-opening.

Fig. 2 is a schematic view of the overall appearance of the quick-assembly locking cap of the present invention adapted for use with an annular neck-opening container.

Fig. 3 is a side view of the quick-assembly locking cap of the present invention adapted for use with an annular neck-opening container.

Fig. 4 is a side view of the outer cap of the quick-assembly locking cap of the present invention adapted for use with a container having an annular neck-opening.

Fig. 5 is a top view of the outer cap of the quick-assembly locking cap of the present invention adapted for use with a container having an annular neck-opening.

Fig. 6 is a cross-sectional view of the outer cap of the quick-assembly locking cap for a container with an annular neck-opening of the present invention.

Fig. 7 is a schematic view of the snap-fit structure of the outer cap and the rubber plug of the quick-assembly locking cap for a container with an annular neck opening of the present invention.

Fig. 8 is a schematic view of the snap-fit construction of the outer cap and container neck of the quick-assembly locking cap of the present invention for use with a container having an annular neck opening.

Fig. 9 is a top cross-sectional view of the outer cap snap fit of the quick assembly locking cap of the present invention for use with an annular neck-finish container.

Fig. 10 is a cross-sectional view of the tear-off outer cap inner ring of the quick-assembly locking cap of the present invention adapted for use with an annular neck-finish container.

Fig. 11 is a top cross-sectional view of the tear-off outer cap inner ring of the quick-assembly locking cap of the present invention adapted for use with an annular neck-opening container.

Fig. 12 is a cross-sectional view of the annular hook of the locking cap of the quick-assembly container of the present invention, which is adapted for use with an annular neck-opening container.

Fig. 13 is a schematic structural view of embodiment 2 of the quick-assembly locking cap of the present invention suitable for use with a container having an annular neck opening.

Fig. 14 is a schematic structural view of embodiment 3 of the quick-assembly locking cap of the present invention suitable for use with a container having an annular neck opening.

Fig. 15 is a schematic structural view of embodiment 3 of the quick-assembly locking cap of the present invention suitable for use with a container having an annular neck opening.

Fig. 16 is a schematic structural view of embodiment 4 of the quick-assembly locking cap of the present invention suitable for use with a container having an annular neck opening.

Fig. 17 is a schematic structural view of embodiment 4 of the quick-assembly locking cap of the present invention suitable for use with a container having an annular neck opening.

Description of the main elements

Outer cover	100
		Inner ring of outer cover	101
Outer cover outer ring	102
		Center hole	103
Elastic arm	104
		Elastic arm of upper layer	105
Lower elastic arm	106
		Avoiding hole	107
Handle position	108
		The first engaging surface	109
First assembled noodle	110
		Ring-shaped hook	111
Upper layer ring-shaped hook	112
		Lower layer ring-shaped hook	113
Second assembled surface	114
		Second engaging surface	115
Tendon position	116
		Ring-shaped sheet	117
Positioning column	118
		Tearing structure	119
Clamping structure	120
		Third assembled noodle	121
Third snap surface	122
		Tearing handle	123
Rubber plug	200
		Fourth engaging surface	201
Annular groove	202
		Container with a lid	300

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

Detailed description of the preferred embodiment 1

FIG. 1 is a schematic view of the overall appearance of a quick-assembly locking cap of the present invention adapted for use with an annular neck-opening container; FIG. 2 is a schematic view of the overall appearance of the quick-assembly locking cap of the present invention adapted for use with an annular neck-opening container; FIG. 3 is a side view of the quick-assembly locking cap of the present invention adapted for use with an annular neck-opening container; FIG. 4 is a side view of the outer lid of the quick-assembly locking cap of the present invention adapted for use with a container having an annular neck-opening; FIG. 5 is a top view of the outer lid of the quick-assembly locking cap of the present invention adapted for use with a circular neck-opening container; FIG. 6 is a cross-sectional view of the outer cap of the quick-assembly locking cap for a container having an annular neck-opening of the present invention; fig. 7 is a schematic view of the snap-fit structure of the outer cap and the rubber plug of the quick-assembly locking cap for a container with an annular neck opening according to the present invention; FIG. 8 is a schematic view of the snap-fit structure of the outer cap and the neck of the container of the quick-assembly locking cap for a container with an annular neck opening of the present invention; FIG. 9 is a snap-on top cross-sectional view of the outer cap of the quick-assembly locking cap of the present invention adapted for use with a circular neck-finish container; FIG. 10 is a cross-sectional view of the inner tear-away outer cap of the quick-assembly locking cap of the present invention adapted for use with an annular neck-finish container; fig. 11 is a top cross-sectional view of the tear-off outer cap inner ring of the quick-assembly locking cap of the present invention adapted for use with a circular neck-opening container.

A quick-assembly locking cap suitable for a container with an annular neck opening, the locking cap comprising an outer cap 100, a rubber plug 200 and a container 300, the rubber plug 200 being disposed inside the outer cap 100, the outer cap 100 being sleeved on the neck of the container 300, characterized in that: the outer cover 100 is an integrally formed inner and outer ring structure, the outer cover 100 is composed of an outer cover inner ring 101 and an outer cover outer ring 102, the outer cover inner ring 101 and the outer cover outer ring 102 are connected through a tearing structure 119, the tearing structure 119 is located at the peripheral extension part of the outer cover inner ring 101, the outer side of the outer cover outer ring 102 vertically extends downwards to form a whole peripheral side wall to form a hollow structure, a central hole 103 is formed in the center of the top of the outer cover 100, after the inner ring 101 is torn and removed, the central hole 103 is used for reserving a channel for a syringe needle, the bottom of the central hole is an open hole and used for receiving the container 300, two groups of clamping structures 120 are arranged on the inner wall of the.

The locking cover is a locking cover which can be opened by one hand.

The material of the cover 100 is a plastic material with certain elasticity, and the elastic material is selected to make the engaging structure 120 have certain elasticity.

The two sets of engaging structures 120 are two sets of elastic arms 104, the two sets of elastic arms 104 are inverted structures, the elastic arms 104 are designed such that when the elastic arms 104 are inserted forward, the elastic arms 104 are pushed to both sides and can pass through smoothly, once the elastic arms 104 pass over the engaging section to reach a predetermined position, the shape of the elastic arms 104 is restored, and then the elastic arms cannot retreat, the elastic arms 104 can completely lock the engaging structures 120, the two sets of elastic arms 104 include an upper layer elastic arm 105 and a lower layer elastic arm 106, the upper layer elastic arm 105 engages with the rubber plug 200, the lower layer elastic arm 106 engages with the neck of the container 300, the rubber plug 200 is completely fixed between the container 300 and the outer lid 100 by the two sets of elastic arms 104, the top of the outer lid 100 is provided with a position-avoiding hole 107 corresponding to the position of the elastic arms 104, an opening at the center of the top of the outer lid 100 can satisfy the function of the puncture needle, therefore, an extra opening is needed to be formed in the top of the outer cover for avoiding the position, a handle position 108 is reserved on the inner side of the outer cover outer ring 102, a user can conveniently grip the outer cover inner ring 101 in a sufficient space during use, and the width of the handle position is 2-8 mm.

The upper layer elastic arms 105 and the lower layer elastic arms 106 are arranged in a ring shape, the number of the upper layer elastic arms 105 and the lower layer elastic arms 106 is 3-8, the wall thickness of the part, connected to the outer cover 100, of the elastic arms 104 is larger than the wall thickness of the part, far away from the outer cover 100, of the elastic arms 104, the elastic arms 104 have better elasticity, the size of the elastic arms 104 in the width direction is 3-20 times of that of the elastic arms 104 in the thickness direction, and the width of the spacing holes 107 is larger than that of the elastic arms 102, so that.

The elastic arm 104 includes a first assembling surface 110 and a first engaging surface 109, the angle between the first assembling surface 110 and the inner wall of the outer lid 100 is in the range of 10 ° to 40 °, and the angle between the first engaging surface 109 and the inner wall of the outer lid 100 is in the range of 20 ° to 50 °.

Tearing structure 119 is the thin rib position 116 of a plurality of cross sectional areas, and the intensity of the thin rib position 116 structure of a plurality of cross sectional areas is far less than other positions on periphery for the fracture position is stable controllable, and can not appear cracked production foreign matter, and rib position 116 is 4-10 in quantity, and tiny rib position 116 fracture surface can be arbitrary shape: rectangular, round and oval, preferably rectangular, simple in structure and beneficial to production, and the cross-sectional area of the rib position 116 is 0.02-0.8mm²When the outer cap inner ring 101 is torn by hand, the rib portions 116 are broken, the outer cap inner ring 101 is removed from the outer cap 100 body, the outer cap outer ring 102 is left on the container neck, and the inner ring shadeThe site is released and a device such as a syringe may be used to pierce the plug 200 and remove the medicament from the container 300.

The outer cover outer ring 102 is close to the center position and vertically extends downwards to form an annular positioning column 118, and the positioning column 118 plays a role of supporting the rubber plug 200 when being assembled with the rubber plug 200, so as to press the rubber plug 200 and the outer cover 100 tightly and avoid falling off during pre-assembly.

The outer lid 100 is of a ring or barrel configuration and is adaptable to all containers 300 having a circular neck with a lip-shaped outer rim, and containers 300 of this shape are also commonly used. The circular structure also makes the device not need to be angularly positioned, and the outer lid 100 and the rubber plug 200, the outer lid 100 and the container 300 do not need to be angularly positioned.

A quick-assembly locking cap for a container having an annular neck opening is assembled by the steps of:

the method comprises the following steps: the rubber plug 200 is inserted from the bottom of the outer cover 100, one side of the flat bottom of the rubber plug 200 faces the outer cover 100, and the rubber plug respectively crosses two groups of elastic arms 104 in the outer cover 100 to reach a preset position for top clamping, and the upper layer of elastic arms 105 reset to complete clamping. The rubber plug 200 is of an annular structure and does not need angular positioning.

Step two: the assembled small assembly is snapped into the neck of the container 300, the lip edge on the outside of the neck of the container 300 passes over the lower layer elastic arms 106 inside the outer cap 100 to reach the predetermined position for engagement, and the lower layer elastic arms 106 are reset to complete the engagement. The neck of the container 300 is of an annular configuration and does not require angular orientation.

Step three: and (5) finishing the assembly.

A quick-assembly locking cap for a container having an annular neck opening is used by the steps of:

the method comprises the following steps: the outer cap inner ring 101 is grasped by the handle position 108 at the inner side of the outer ring, the outer cap inner ring 101 is torn open, the rubber plug 200 shield is released, at this time, a device such as a syringe can be used to pierce the rubber plug 200, and the medicament in the container 300 is taken out.

Step two: after use, the outer cap inner ring 101 has come off and cannot be restored, ensuring that the device is disposable.

Detailed description of the preferred embodiment 2

Fig. 12 is a cross-sectional view of the annular hook of the locking cap for an annular neck-opening container of the present invention, in a quick-assembly state; fig. 13 is a schematic structural view of a specific embodiment 2 of the quick-assembly locking cap of the present invention, suitable for use with a container having an annular neck-opening.

A quick-assembly locking cap suitable for a container with an annular neck opening, the locking cap comprising an outer cap 100, a rubber plug 200 and a container 300, the rubber plug 200 being disposed inside the outer cap 100, the outer cap 100 being sleeved on the neck of the container 300, characterized in that: the outer cover 100 is an integrally formed inner and outer ring structure, the outer cover 100 is composed of an outer cover inner ring 101 and an outer cover outer ring 102, the outer cover inner ring 101 and the outer cover outer ring 102 are connected through a tearing structure 119, the tearing structure 119 is located at the peripheral extension part of the outer cover inner ring 101, the outer side of the outer cover outer ring 102 vertically extends downwards to form a whole peripheral side wall to form a hollow structure, a central hole 103 is formed in the center of the top of the outer cover 100, after the inner ring 101 is torn and removed, the central hole 103 is used for reserving a channel for a syringe puncture needle, the bottom of the central hole is an open hole and used for accommodating the container 300, two groups of clamping structures 120 are arranged on the inner wall of the outer cover 100, the rubber plug 200 is completely fixed between the container 300 and the outer cover 100 through the.

The locking cover is a locking cover which can be opened by one hand.

The two sets of engaging structures 120 are two layers of annular hooks 111, the upper layer of annular hooks 112 is engaged with the rubber plug 200, and the lower layer of annular hooks 113 is engaged with the neck of the container 300, so as to fix the rubber plug 200 between the container 300 and the outer lid 100.

The upper layer annular hook 112 comprises a second assembling surface 114 and a second clamping surface 115, and the included angle between the second assembling surface 114 and the vertical direction is 25-65 degrees; the included angle between the second clamping surface 115 and the vertical direction is 25-65 degrees; the lower annular hook 113 comprises a third assembling surface 121 and a third clamping surface 122, and the included angle between the third assembling surface 121 and the vertical direction is 10-50 degrees; the angle between the third engaging surface 122 and the vertical direction is 35-75 °.

The tearing structure 119 is a whole-circumference annular sheet 117, and the thinnest part of the whole-circumference annular sheet 117 has the thickness of 0.1mm-0.5 mm.

The diameter of the outer cover inner ring 101 is 5mm-15mm, a tearing handle 123 is arranged at the extending position of the outer cover inner ring 101, and the width of the handle 123 is 3 mm.

The cap 100 is of a ring or barrel configuration and is suitable for use with all containers 300 having a circular neck with a lip-shaped outer edge, and such containers 300 are also commonly used, but the circular configuration eliminates the need for angular positioning of the device, both the cap 100 and plug 200, and the cap 100 and container 300.

the method comprises the following steps: the rubber plug 200 is inserted from the bottom of the outer lid 100, one side of the flat bottom of the rubber plug 200 faces the outer lid 100, and the rubber plug respectively crosses two sets of annular hooks 111 inside the outer lid 100 to reach the preset position of the top clamping to complete the clamping. The rubber plug 200 is of an annular structure and does not need angular positioning.

Step two: the assembled small components are fastened to the neck of the container 300, and the outer lip edge of the neck of the container 300 passes over the inner lower layer ring-shaped hook 113 of the outer cap 100 to reach a predetermined engagement position. The neck of the container 300 is of an annular configuration and does not require angular orientation.

Step three: and (5) finishing the assembly.

the method comprises the following steps: by pulling the handle 123 to grasp the inner ring 101 of the outer cap, tearing the inner ring 101 of the outer cap, the closure of the plug 200 is released, and a device such as a syringe can be used to pierce the plug 200 and remove the medicament from the container 300.

Detailed description of preferred embodiments 3

FIG. 14 is a schematic structural view of a particular embodiment 3 of the quick-assembly locking cap of the present invention suitable for use with a container having an annular neck-opening; fig. 15 is a schematic structural view of a specific embodiment 3 of the quick-assembly locking cap of the present invention, suitable for use with a container having an annular neck-opening.

A quick-assembly locking cap suitable for a container with an annular neck opening, the locking cap comprising an outer cap 100, a rubber plug 200 and a container 300, the rubber plug 200 being disposed inside the outer cap 100, the outer cap 100 being sleeved on the neck of the container 300, characterized in that: the outer cover 100 is an integrally formed inner and outer ring structure, the outer cover 100 is composed of an outer cover inner ring 101 and an outer cover outer ring 102, the outer cover inner ring 101 and the outer cover outer ring 102 are connected through a tearing structure 119, the tearing structure 119 is located at the bottom of the outer cover inner ring 101 to completely shield the top, the outer side of the outer cover outer ring 102 vertically extends downwards to form a whole peripheral side wall to form a hollow structure, a central hole 103 is formed in the top center of the outer cover 100, after the inner ring 101 is torn and removed, the central hole 103 is used for reserving a channel for a syringe needle, the bottom is an open hole for receiving the container 300, two groups of clamping structures 120 are arranged on the inner wall of the outer cover 100, the rubber plug 200 is completely fixed between the container 300 and the outer.

The locking cover is a locking cover which can be opened by one hand.

The upper layer annular hook 112 comprises a second assembling surface 114 and a second clamping surface 115, and the included angle between the second assembling surface 114 and the vertical direction is 25-65 degrees, preferably 45 degrees; the included angle between the second clamping surface 115 and the vertical direction is 25-65 degrees, preferably 45 degrees; the lower annular hook 113 includes a third assembling surface 121 and a third engaging surface 122, and an included angle between the third assembling surface 121 and the vertical direction is 10 ° to 50 °, preferably 26.5 °; the third engagement surface 122 is angled from the vertical in the range of 35 to 75, preferably 53.

Tear structure 119 and draw structure for the thin rib position 116 of a plurality of cross sectional areas, the intensity of the thin rib position 116 structure of a plurality of cross sectional areas is far less than other positions of periphery for the fracture position is stable controllable, and can not appear cracked production foreign matter, rib position 116 is 4-10 in quantity, preferably 6, and tiny rib position 116 fracture surface can be arbitrary shape: rectangular, round and oval, preferably rectangular, simple in structure and beneficial to production, and the cross-sectional area of the rib position 116 is 0.02-0.8mm²Preferably 0.56mm²When the outer cap inner ring 101 is torn by hand, the rib portions 116 are broken, the outer cap inner ring 101 is removed from the outer cap 100 body, the outer cap outer ring 102 is left on the neck of the container, and the inner ring shield portion is released, so that the medicine container 300 can be taken out by puncturing the rubber stopper 200 using a device such as a syringe.

The diameter of the outer cover inner ring 101 is 5mm-15mm, preferably 8.4mm, a tearing handle 123 is arranged at the extending position of the outer cover inner ring 101, and the width of the handle 123 is 4 mm.

The outer cover inner ring 101 and the outer cover outer ring 102 are located at different heights, the outer cover outer ring 102 does not need to be provided with an avoidance opening due to avoidance of the handle 123, the outer ring 102 has better integrity, the outer cover inner ring 101 is located at a position on the outer cover outer ring 102, the outer diameter of the outer cover inner ring 101 is larger than the inner diameter of the outer cover outer ring 102, overlapping is formed between the outer cover inner ring 101 and the outer cover outer ring 102, a complete shade is formed, and a better dustproof shielding effect is achieved for the top.

Step three: and (5) finishing the assembly.

Detailed description of preferred embodiments 4

FIG. 16 is a schematic view of the construction of embodiment 4 of the quick-assembly locking cap of the present invention suitable for use with a container having an annular neck-opening; fig. 17 is a schematic structural view of a particular embodiment 4 of the quick-assembly locking cap of the present invention, suitable for use with a container having an annular neck-opening.

A quick-assembly locking cap suitable for a container with an annular neck opening, the locking cap comprising an outer cap 100, a rubber plug 200 and a container 300, the rubber plug 200 being disposed inside the outer cap 100, the outer cap 100 being sleeved on the neck of the container 300, characterized in that: the outer cover 100 is an integrally formed inner and outer ring structure, the outer cover 100 is composed of an outer cover inner ring 101 and an outer cover outer ring 102, the outer cover inner ring 101 and the outer cover outer ring 102 are connected through a tearing structure 119, the tearing structure 119 is located at the bottom of the outer cover inner ring 101 to form complete shielding to the top, the outer side of the outer cover outer ring 102 vertically extends downwards to form a whole peripheral side wall to form a hollow structure, a central hole 103 is formed in the center of the top of the outer cover 100, after the inner ring 101 is torn and removed, the central hole 103 is used for reserving a channel for a syringe needle, the bottom is an open hole and used for receiving the container 300, two groups of clamping structures 120 are arranged on the inner wall of the outer cover 100, the rubber plug 200 is completely fixed between the container 300 and the outer cover 100 through the two groups of clamping structures 120.

The locking cover is a locking cover which can be opened by one hand.

The outer side of the rubber plug 200 is provided with an annular groove 202 which is clamped with the annular hook 112 on the upper layer of the outer cover 100, so that the rubber plug 200 is fixed during pre-assembly, and the rubber plug 200 is prevented from falling off from the bottom during pre-assembly.

The upper layer annular hook 112 comprises a second assembling surface 114 and a second clamping surface 115, and the included angle between the second assembling surface 114 and the vertical direction is 25-65 degrees, preferably 45 degrees; the included angle between the second clamping surface 115 and the vertical direction is 25-65 degrees, preferably 45 degrees; the lower annular hook 113 includes a third assembling surface 121 and a third engaging surface 122, and an included angle between the third assembling surface 121 and the vertical direction is 10 ° to 50 °, preferably 26.5 °; the angle between the third engaging surface 122 and the vertical direction is 35-75 degrees, preferably 53 degrees, the rubber plug 200 is provided with a fourth engaging surface 201, and the angle between the fourth engaging surface 201 and the vertical direction is 40-80 degrees, preferably 60 degrees.

The outer cap inner ring 101 has the same outer diameter as the outer cap 100.

The outer cover inner ring 101 is close to the center position and vertically extends downwards to form an annular positioning column 118, and the positioning column 118 plays a role of supporting the rubber plug 200 when being assembled with the rubber plug 200, so as to press the rubber plug 200 and the outer cover 100 tightly and avoid falling off during pre-assembly.

The enclosing cover inner ring 101 is close to the perpendicular downwardly extending reference column 118 of central point and puts, and reference column 118 is double ring structure, and this reference column 118 plays the effect that supports plug 200 when assembling with plug 200 for compress tightly plug 200 and enclosing cover 100, and double ring structure makes reference column 118 can provide more stable support to plug 200, avoids plug 200 to be crooked.

After the outer lid 100 is torn and removed from the inner lid ring 101, the positioning column 118 is also removed, and at this time, the annular groove 202 of the rubber plug 200 is engaged with the upper hook 112, so as to prevent the rubber plug from being released from the top.

Step three: and (5) finishing the assembly.

the method comprises the following steps: the closure of the plug 200 is released by grasping the inner wall of the inner cap 101 to tear the inner cap 101, and the container 300 is then removed by puncturing the plug 200 with a device such as a syringe.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A quick-assembly locking cap suitable for annular neck-opening containers, consisting of an outer cap (100), a rubber plug (200) and a container (300), the rubber plug (200) being placed inside the outer cap (100), the outer cap (100) being sleeved with the neck of the container (300), characterized in that: the outer cover (100) is an integrally formed inner and outer ring structure, the outer cover (100) is composed of an outer cover inner ring (101) and an outer cover outer ring (102), the outer cover inner ring (101) and the outer cover outer ring (102) are connected through a tearing structure (119), the tearing structure (119) is located at the bottom of the outer cover inner ring (101) or at the peripheral extension part of the outer cover inner ring (101), the outer side of the outer cover outer ring (102) vertically extends downwards to form a whole peripheral side wall to form a hollow structure, a central hole (103) is formed in the center of the top of the outer cover (100), after the inner ring (101) is torn and removed, the central hole (103) is used for reserving a channel for a syringe puncture needle, the bottom of the central hole is an open type hole and used for receiving a container (300), two groups of clamping structures (120) are arranged on the inner wall of the outer cover (100), and a rubber plug.

2. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: the locking cover is a locking cover which can be opened by one hand.

3. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: the outer cover (100) is made of plastic material with certain elasticity.

4. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: two sets of block structures (120) are two sets of elastic arm (104), two sets of elastic arm (104) are the back-off structure, two sets of elastic arm (104) include upper elastic arm (105) and lower floor elastic arm (106), upper elastic arm (105) and plug (200) block, lower floor elastic arm (106) and container (300) neck block, fix plug (200) between container (300) and enclosing cover (100) completely through two sets of elastic arm (104), the position that the top of enclosing cover (100) corresponds elastic arm (104) is equipped with keeps away a hole (107), hand position (108) are scratched to the outer loop inboard remaining, the width of scratching hand position (108) is 2-8 mm.

5. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: the upper layer elastic arms (105) and the lower layer elastic arms (106) are arranged in a ring shape, the number of the upper layer elastic arms is 3-8, the wall thickness of the part, connected to the outer cover (100), of the elastic arms (104) is larger than the wall thickness of the part, far away from the outer cover (100), of the elastic arms (104), the elasticity is good, the size of the elastic arms (104) in the width direction is 3-20 times of that of the elastic arms in the thickness direction, and the width of the position avoiding holes (107) is larger than that of the elastic arms (102).

6. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: the elastic arm (104) comprises a first assembling surface (110) and a first clamping surface (109), the angle range of the first assembling surface (110) and the inner wall of the outer cover (100) is 10-40 degrees, and the angle range of the first clamping surface (109) and the inner wall of the outer cover (100) is 20-50 degrees.

7. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: the two groups of clamping structures (120) are two layers of annular clamping hooks (111), the two groups of annular clamping hooks (111) comprise an upper layer annular clamping hook (112) and a lower layer annular clamping hook (113), the upper layer annular clamping hook (112) is clamped with the rubber plug (200), the lower layer annular clamping hook (113) is clamped with the neck of the container (300), and the rubber plug (200) is fixed between the container (300) and the outer cover (100).

8. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: the outer side of the rubber plug (200) is provided with an annular groove (202) which is clamped with the upper annular clamping hook (112) of the outer cover (100), so that the rubber plug (200) is fixed during preassembling, and the rubber plug (200) is prevented from falling off from the bottom during preassembling.

9. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: the upper layer annular hook (112) comprises a second assembling surface (114) and a second clamping surface (115), and the included angle between the second assembling surface (114) and the vertical direction is 25-65 degrees; the included angle between the second clamping surface (115) and the vertical direction is 25-65 degrees; the lower annular clamping hook (113) comprises a third assembling surface (121) and a third clamping surface (122), and the included angle between the third assembling surface (121) and the vertical direction is 10-50 degrees; the angle range of the included angle between the third clamping surface (122) and the vertical direction is 35-75 degrees, the rubber plug (200) is provided with a fourth clamping surface (201), and the angle range of the included angle between the fourth clamping surface (201) and the vertical direction is 40-80 degrees.

10. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: tear structure (119) and draw structure for a plurality of thin little muscle position (116) of cross sectional area or for whole cyclic annular thin slice (117), the intensity of the tiny muscle position (116) structure of a plurality of cross sectional areas is far less than other positions of periphery for the fracture position is stable controllable, and can not appear cracked and produce the foreign matter, muscle position (116) quantity is 4-10, and tiny muscle position (116) fracture surface can be arbitrary shape: rectangular, round and oval, the cross-sectional area of the rib (116) is 0.02-0.8mm²The thinnest part of the whole-circumference annular slice (117) has the thickness of 0.1mm-0.5 mm.

11. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: the diameter of the outer cover inner ring (101) is 5mm-15mm, a tearing handle (123) is arranged at the extending part of the outer cover inner ring (101), and the width of the handle 123 is 1-5 mm.

12. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: an annular positioning post (118) extends vertically downwards from the outer cover outer ring (102) near the center.

13. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: the outer cover (100) is of an annular or barrel-shaped structure, and the outer cover (100) and the rubber plug (200) and the outer cover (100) and the container (300) do not need to be positioned at an angle.

14. A quick-fit locking cap for a container having an annular neck opening as claimed in claim 1, wherein: the outer cover inner ring (101) and the outer cover outer ring (102) are located at different heights, the outer cover inner ring (101) is located at a position above the outer cover outer ring (102), and the outer diameter of the outer cover inner ring (101) is larger than the inner diameter of the outer cover outer ring (102), so that the outer cover inner ring (101) and the outer cover outer ring (102) are overlapped.