Easily-opened cover with symmetrical pull ring structure

Abstract

The utility model relates to the technical field of packaging tools, and discloses an easy-to-open cover with a symmetrical pull ring structure, which comprises a cover body, opening grooves are annularly distributed at the top end of the cover body, a groove is arranged in the middle of the top end of the cover body, a lifting mechanism is fixedly connected in the groove, an opening mechanism is fixedly connected at the top end of the lifting mechanism, and the top end of the opening mechanism is fixedly connected with a pull ring. The lifting mechanism is used for lifting the opening mechanism, the opening mechanism is used for opening the cover body, an air outlet groove is formed in the right side of the bottom end of the cover body, a ventilation mechanism is fixedly connected into the air outlet groove and used for assisting in opening the cover body, and a fixing ring is fixedly connected to the bottom end of the cover body. According to the metal can, the pull ring can be hidden through the lifting mechanism and is not prone to being damaged in the transportation process, and in addition, the air pressure balance in the metal can is damaged through the ventilation mechanism, so that the cover can be easily taken down by pulling the pull ring.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging tools, in particular to an easy-open cover with a symmetrical pull-ring structure. Background Art

[0002] Metal cans are now often used in factories producing beverages or canned food. Glass cans are inconvenient to transport and recycle after the beverage or food is finished, so they are used for secondary processing.

[0003] The material of metal cans is often made of metal alloys such as aluminum and iron, and the easy-open cover on the top of the metal cover is a pre-processed groove. When the pull ring is pulled, the force applied causes the groove to break, thereby opening the top of the metal can;

[0004] However, for the existing easy-open lid with a symmetrical pull ring structure, it is not convenient to hide the pull ring, and the pull ring is likely to collide with other metal cans or objects during transportation, causing the metal can to open or the pull ring to break, affecting consumers' use. In addition, for the existing easy-open lid with a symmetrical pull ring structure, it is not convenient to open it with ease. When the elderly or children need to open it, they often need to rely on other people or tools to assist in opening the metal can. Therefore, an easy-open lid with a symmetrical pull ring structure is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an easy-open lid with a symmetrical pull ring structure, aiming to improve the problems of inconvenience in hiding the pull ring and inconvenience in opening with little effort in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An easy-open cover with a symmetrical pull-ring structure comprises a cover body, the top of the cover body is provided with opening grooves in an annular distribution, the middle of the top of the cover body is provided with a groove, a lifting mechanism is fixedly connected in the groove, the top of the lifting mechanism is fixedly connected with an opening mechanism, the lifting mechanism is used for lifting and lowering the opening mechanism, the opening mechanism is used for opening the cover body, an air outlet groove is provided on the right side of the bottom end of the cover body, a ventilation mechanism is fixedly connected in the air outlet groove, the ventilation mechanism is used for assisting in opening the cover body, and a fixing ring is fixedly connected to the bottom end of the cover body.

[0008] As a further description of the above technical solution:

[0009] The lifting mechanism includes a second mounting block, the bottom end of the groove is fixedly connected to the bottom end of the second mounting block, the top end of the groove is slidably connected to the first mounting block, the bottom left rear end of the first mounting block is fixedly connected to one end of a connecting rod, the other end of the connecting rod is fixedly connected to a first rack, the first rack is meshedly connected to a first gear, the middle part of the first gear is fixedly connected to a first rotating shaft, the right end of the first rotating shaft is fixedly connected to a second gear, the second gear is meshedly connected to a third gear, the middle part of the third gear is fixedly connected to the second rotating shaft, and the bottom end of the second rotating shaft is fixedly connected to a fourth gear. The fourth gear is meshed with an annular rack, and the inner side of the annular rack is fixedly connected to the first fixed shaft, the top end of the first fixed shaft is fixedly connected to a clamping block in an annular distribution, and the clamping block is clamped and connected to the second fixed shaft, and the bottom end of the second fixed shaft is annularly staggered and respectively provided with a first clamping groove and a second clamping groove, one end of a spring is fixedly connected to the middle part of the top end of the second mounting block, and the other end of the spring is fixedly connected to a push plate, the top outer side of the push plate is slidably connected to the bottom end of the first fixed shaft, and one end of a push rod is fixedly connected to the middle part of the top end of the push plate, and the other end of the push rod is fixedly connected to the middle part of the bottom end of the first mounting block.

[0010] As a further description of the above technical solution:

[0011] The opening mechanism comprises a fixed rod, the front and rear sides of the middle of the top end of the first mounting block in the lifting mechanism are fixedly connected to the bottom end of the fixed rod, and the top end of the fixed rod is fixedly connected with a pull ring.

[0012] As a further description of the above technical solution:

[0013] The ventilation mechanism comprises ventilation holes, the top of the air outlet groove is provided with ventilation holes in a rectangular distribution, and a sealing film is arranged on the outer side of the top of the air outlet groove.

[0014] As a further description of the above technical solution:

[0015] A sealing ring is fixedly connected to the outer side of the bottom end of the fixing ring.

[0016] As a further description of the above technical solution:

[0017] The two fixing rods are symmetrical front and back about the center of the circle, and a finger sleeve is slidably connected to the inner side of the pull ring.

[0018] As a further description of the above technical solution:

[0019] A pull plate is fixedly connected to the rear side of the sealing film.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, by pressing the first mounting block, the connecting rod and the first rack are lowered, so that the first gear rotates, and the first rotating shaft makes the first gear and the second gear move at the same frequency, and the third gear meshing with the second gear also rotates, and the fourth gear and the third gear move at the same frequency through the second rotating shaft, and then the annular rack meshing with the fourth gear rotates, so that the first fixed shaft rotates, and the clamping block at the top of the first fixed shaft also rotates. When entering the first slot, the push plate is pressed, the spring contracts, and the first mounting block connected to the push rod descends, so that the pull ring is hidden, and it is pressed again. The same principle applies, but the clamping block enters the second slot, the spring rebounds, pushes the push plate and the push rod, and the first mounting block rises, thereby achieving the effect of hiding and showing the pull ring, solving the problem of inconvenient hiding of the pull ring in the prior art.

[0022] 2. In the utility model, when the cover is to be opened, the sealing film is torn by pulling the plate, so that the ventilation holes and the air outlet grooves destroy the sealing inside the metal can. Then the cover is no longer tightly adsorbed, and then the pull ring is pulled to break the opening groove, thereby achieving the effect of easily opening the cover, solving the problem of inconvenient and labor-saving opening in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional schematic diagram of an easy-open lid with a symmetrical pull-ring structure proposed by the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of an easy-open lid with a symmetrical pull-ring structure proposed by the utility model from a top view;

[0025] Figure 3 This is a schematic diagram of the structure of an easy-open lid with a symmetrical pull-ring structure proposed by the utility model when viewed from the bottom;

[0026] Figure 4 The utility model is a structural schematic diagram of a lifting mechanism of an easy-open cover with a symmetrical pull ring structure.

[0027] Legend:

[0028] 1. Cover body; 101. Opening groove; 102. Groove; 103. Fixing ring; 2. First mounting block; 201. Second mounting block; 202. Connecting rod; 203. First rack; 204. First gear; 205. First rotating shaft; 206. Second gear; 207. Third gear; 208. Second rotating shaft; 209. Fourth gear; 210. Ring rack; 211. Spring; 212. First fixed shaft; 213. Block; 214. First slot; 215. Second slot; 216. Push rod; 217. Second fixed shaft; 218. Push plate; 3. Fixing rod; 301. Pull ring; 302. Finger sleeve; 4. Sealing film; 401. Pull plate; 402. Ventilation hole; 403. Air outlet groove; 5. Sealing ring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1-Figure 4 The utility model provides an embodiment: an easy-open cover with a symmetrical pull-ring structure, comprising a cover body 1, an opening groove 101 is annularly distributed on the top of the cover body 1, a groove 102 is formed in the middle of the top of the cover body 1, a lifting mechanism is fixedly connected in the groove 102, and the lifting mechanism comprises a second mounting block 201, the bottom end of the groove 102 is fixedly connected to the bottom end of the second mounting block 201, the top of the groove 102 is slidably connected to the first mounting block 2, the left rear end of the bottom end of the first mounting block 2 is fixedly connected to one end of a connecting rod 202, the other end of the connecting rod 202 is fixedly connected to a first rack 203, the first rack 203 is meshedly connected to a first gear 204, the middle part of the first gear 204 is fixedly connected to a first rotating shaft 205, the right end of the first rotating shaft 205 is fixedly connected to a second gear 206, the second gear 206 is meshedly connected to a third gear 207, and the middle part of the third gear 207 is fixedly connected to a third gear 208. The second rotating shaft 208 is fixedly connected with a fourth gear 209 at the bottom end of the second rotating shaft 208, and the fourth gear 209 is meshedly connected with an annular rack 210. The inner side of the annular rack 210 is fixedly connected with a first fixed shaft 212. The top of the first fixed shaft 212 is fixedly connected with a clamping block 213 in an annular distribution. The clamping block 213 is clamped and connected with the second fixed shaft 217. The bottom end of the second fixed shaft 217 is annularly staggered and respectively provided with a first clamping groove 214 and a second clamping groove 215. The middle part of the top end of the second mounting block 201 is fixedly connected with one end of a spring 211, and the other end of the spring 211 is fixedly connected with a push plate 218. The outer side of the top end of the push plate 218 is slidably connected with the bottom end of the first fixed shaft 212. The middle part of the top end of the push plate 218 is fixedly connected with one end of a push rod 216, and the other end of the push rod 216 is fixedly connected with the middle part of the bottom end of the first mounting block 2. The top of the lifting mechanism is fixedly connected with an opening mechanism. The lifting mechanism is as follows Figure 4 shown.

[0031] Reference Figure 1-Figure 4The opening mechanism includes a fixed rod 3, and the front and rear sides of the middle of the top of the first mounting block 2 in the lifting mechanism are fixedly connected to the bottom end of the fixed rod 3. A pull ring 301 is fixedly connected to the top of the fixed rod 3. The two fixed rods 3 are symmetrical about the center of the circle. A finger sleeve 302 is slidably connected to the inner side of the pull ring 301. The lifting mechanism is used for lifting and lowering the opening mechanism. The opening mechanism is used to open the cover body 1. An air outlet groove 403 is opened on the right side of the bottom end of the cover body 1. A ventilation mechanism is fixedly connected in the air outlet groove 403. The ventilation mechanism includes ventilation holes 402. The top of the air outlet groove 403 is rectangularly distributed with ventilation holes 402. A sealing film 4 is arranged on the outside of the top of the air outlet groove 403. A pull plate 401 is fixedly connected to the rear side of the sealing film 4. The ventilation mechanism is used to assist in opening the cover body 1. A fixing ring 103 is fixedly connected to the bottom end of the cover body 1, and a sealing ring 5 is fixedly connected to the outside of the bottom end of the fixing ring 103.

[0032] Working principle: By pressing the first mounting block 2, the connecting rod 202 and the first rack 203 are lowered, so that the first gear 204 rotates, and the first gear 204 and the second gear 206 move at the same frequency through the first rotating shaft 205, and the third gear 207 meshing with the second gear 206 also rotates, and the fourth gear 209 and the third gear 207 move at the same frequency through the second rotating shaft 208, and then the annular rack 210 meshing with the fourth gear 209 rotates, so that the first fixed shaft 212 rotates, and the block 213 at the top of the first fixed shaft 212 also rotates, entering When the first card slot 214 is pressed, the push plate 218 is pressed, the spring 211 contracts, and the first mounting block 2 connected to the push rod 216 descends, so that the pull ring 301 is hidden. When it is pressed again, the block 213 enters the second card slot 215, the spring 211 rebounds, pushes the push plate 218 and the push rod 216, and the first mounting block 2 rises. When the cover body 1 is to be opened, the sealing film 4 is torn open through the pull plate 401, so that the ventilation hole 402 and the air outlet groove 403 destroy the sealing inside the metal can, and then the cover body 1 is no longer tightly adsorbed, and then the pull ring 301 is pulled to break the opening groove 101.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An easy-open lid with a symmetrical pull-ring structure, comprising a lid body (1), characterized in that: The top of the cover body (1) is provided with opening grooves (101) in an annular arrangement, the middle of the top of the cover body (1) is provided with a groove (102), a lifting mechanism is fixedly connected in the groove (102), the top of the lifting mechanism is fixedly connected with an opening mechanism, the lifting mechanism is used for lifting the opening mechanism, and the opening mechanism is used for opening the cover body (1), an air outlet groove (403) is provided on the right side of the bottom end of the cover body (1), a ventilation mechanism is fixedly connected in the air outlet groove (403), and the ventilation mechanism is used for assisting in opening the cover body (1), and a fixing ring (103) is fixedly connected to the bottom end of the cover body (1).

2. The easy-open end with a symmetrical pull-ring structure according to claim 1, characterized in that: The lifting mechanism comprises a second mounting block (201), the bottom end of the groove (102) is fixedly connected to the bottom end of the second mounting block (201), the top end of the groove (102) is slidably connected to the first mounting block (2), the left rear end of the bottom end of the first mounting block (2) is fixedly connected to one end of a connecting rod (202), the other end of the connecting rod (202) is fixedly connected to a first rack (203), the first rack (203) is meshingly connected to a first gear (204), the middle part of the first gear (204) is fixedly connected to a first rotating shaft (205), the right end of the first rotating shaft (205) is fixedly connected to a second gear (206), the second gear (206) is meshingly connected to a third gear (207), the middle part of the third gear (207) is fixedly connected to a second rotating shaft (208), the bottom end of the second rotating shaft (208) is fixedly connected to a fourth gear (209), the The fourth gear (209) is meshingly connected with an annular rack (210), the inner side of the annular rack (210) is fixedly connected with a first fixed shaft (212), the top end of the first fixed shaft (212) is annularly distributed and fixedly connected with a clamping block (213), the clamping block (213) is clamped and connected with a second fixed shaft (217), the bottom end of the second fixed shaft (217) is annularly staggered and respectively provided with a first clamping groove (214) and a second clamping groove (215), the middle part of the top end of the second mounting block (201) is fixedly connected with one end of a spring (211), the other end of the spring (211) is fixedly connected with a push plate (218), the outer side of the top end of the push plate (218) is slidably connected with the bottom end of the first fixed shaft (212), the middle part of the top end of the push plate (218) is fixedly connected with one end of a push rod (216), the other end of the push rod (216) is fixedly connected with the middle part of the bottom end of the first mounting block (2).

3. The easy-open end with a symmetrical pull-ring structure according to claim 1, characterized in that: The opening mechanism comprises a fixed rod (3), the front and rear sides of the middle of the top end of the first mounting block (2) in the lifting mechanism are fixedly connected to the bottom end of the fixed rod (3), and the top end of the fixed rod (3) is fixedly connected to a pull ring (301).

4. The easy-open end with a symmetrical pull-ring structure according to claim 1, characterized in that: The ventilation mechanism comprises ventilation holes (402), the top end of the air outlet groove (403) is provided with ventilation holes (402) in a rectangular distribution, and the top end of the air outlet groove (403) is provided with a sealing film (4) on the outside.

5. The easy-open end with a symmetrical pull-ring structure according to claim 1, characterized in that: A sealing ring (5) is fixedly connected to the outer side of the bottom end of the fixing ring (103).

6. The easy-open end with a symmetrical pull-ring structure according to claim 3, characterized in that: The two fixing rods (3) are symmetrical front and back about the center of the circle, and a finger sleeve (302) is slidably connected to the inner side of the pull ring (301).

7. The easy-open end with a symmetrical pull ring structure according to claim 4, characterized in that: A pull plate (401) is fixedly connected to the rear side of the sealing film (4).

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