Blister tray structure capable of preventing lower-layer tray from being lifted
By setting pull-out components and a push-up mechanism on the blister tray, the problem of difficult tray separation due to adhesion is solved, and stable separation and efficient transportation of the tray are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU YOUCAI PACKAGING MATERIAL CO LTD
- Filing Date
- 2025-07-30
- Publication Date
- 2026-05-19
AI Technical Summary
Existing blister trays are prone to sticking together due to negative pressure when stacked in multiple layers. This causes the lower trays to be lifted when the upper tray is taken out, making separation difficult and wasting time and effort.
Two blister trays, No. 1 and No. 2, were designed. Both are equipped with a pull-out component and a push-assist mechanism. The pull-out component converts the pulling force into a separation force through a wedge block and a V-shaped connecting seat. The push-assist mechanism provides auxiliary pushing force through a push block and a force groove to ensure stable separation of the trays.
This effectively prevents the lower pallet from being lifted up, improving the practicality and reliability of blister pallets in warehousing and transportation, and simplifying the separation process.
Smart Images
Figure CN224257182U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of blister tray technology, and in particular to a blister tray structure that prevents the lower tray from being lifted up. Background Technology
[0002] Blister trays, also known as plastic inner trays, are plastic trays made by forming a specific groove into a rigid plastic sheet using a blister forming process. Products are placed in the groove, which serves to protect and beautify the products. There are also transport-type trays. The use of trays is mainly for convenience.
[0003] However, existing blister trays are usually stacked in multiple layers before use, which can easily create negative pressure between two layers. This causes the upper blister tray to stick together when it is taken out, which in turn lifts up the lower tray, making it difficult to separate. This wastes time and effort to handle and causes inconvenience to the user. Utility Model Content
[0004] Purpose of the utility model: The purpose of this utility model is to provide a blister tray structure that avoids the lower tray from being lifted up, so as to solve the above-mentioned shortcomings in the prior art.
[0005] Technical solution: A blister tray structure to prevent the lower tray from being lifted up, including a first blister tray and a second blister tray, wherein a first connecting block is provided on both end side walls of the first and second blister trays, and a pull-out component is installed on the first connecting block;
[0006] The pull-out assembly includes a connecting seat disposed on the top surface of the first connecting block and a wedge-shaped block disposed on the bottom surface of the first connecting block to cooperate with the connecting seat, located directly below the connecting seat.
[0007] As a further description of the above technical solution: Each of the first and second blister trays is provided with a storage slot on the bottom surface near the four corners, and a set of boosting mechanisms is installed inside each storage slot.
[0008] Each set of the boosting mechanism includes a second connecting block fixedly installed inside the corresponding storage slot. A rotating shaft is fixedly connected to the second connecting block. A connecting rod arranged at an incline is rotatably connected to the rotating shaft. A push block is provided on the end of the connecting rod away from the rotating shaft.
[0009] The top surfaces of the first and second blister trays are provided with force-bearing grooves, the same number as the number of storage slots, located directly above the corresponding storage slots.
[0010] As a further description of the above technical solution: the top surface of the connecting seat is provided with a number of mounting slots arranged at equal intervals, and each mounting slot is provided with a movable ball.
[0011] As a further description of the above technical solution: the opening shape of the connector is V-shaped.
[0012] As a further description of the above technical solution: the longitudinal section of the wedge block is an isosceles trapezoid.
[0013] As a further description of the above technical solution: the longitudinal section of the pusher block is semi-circular.
[0014] As a further description of the above technical solution: a limit block is provided on the inner side of the second connecting block, and it is located below the connecting rod.
[0015] As a further description of the above technical solution: any two adjacent sets of booster mechanisms are arranged symmetrically.
[0016] Beneficial effects: Through the cooperation of the wedge block, V-shaped connecting seat and ball bearing in the pull-out assembly, when the upper blister tray is pulled out at an angle, the pull force of the upper tray is converted into a force that separates the upper and lower layers by the wedge-shaped inclined surface, thus avoiding lifting the lower blister tray.
[0017] In addition, the push mechanism installed at the bottom of the pallet generates an auxiliary push force during the pulling process by linking the push block with the force groove, further reducing separation resistance. Furthermore, the symmetrically arranged push mechanism ensures that the pallet can be stably separated when pulled out from different directions, significantly improving the practicality and reliability of blister pallets in warehousing and transportation. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of a blister tray structure that avoids being lifted up by the lower tray, as proposed in this utility model.
[0019] Figure 2 This is a three-dimensional structural diagram of a single blister tray according to the present invention;
[0020] Figure 3 This is a schematic diagram of the structure of the booster mechanism of this utility model;
[0021] Figure 4 This is an exploded view of the pull-out component of this utility model.
[0022] Legend:
[0023] 1. No. 1 blister tray; 2. No. 2 blister tray; 3. No. 1 connecting block; 4. Pull-out assembly; 41. Connecting seat; 42. Mounting slot; 43. Wedge block; 44. Ball bearing; 5. Storage slot; 6. Pushing mechanism; 61. No. 2 connecting block; 62. Rotating shaft; 63. Connecting rod; 64. Push block; 65. Limiting block; 7. Force groove. Detailed Implementation
[0024] To make the technical solution of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0025] Reference Figures 1-4 A blister tray structure to prevent the lower tray from being lifted up includes a first blister tray 1 and a second blister tray 2. It should be noted that the first blister tray 1 and the second blister tray 2 are the same size and shape. The two are only set here for the convenience of describing the connection relationship. A first connecting block 3 is provided on both end side walls of the first blister tray 1 and the second blister tray 2. A pull-out component 4 is installed on the first connecting block 3.
[0026] The pull-out assembly 4 includes a connecting seat 41 respectively disposed on the top surface of the first connecting block 3, and a wedge block 43 disposed on the bottom surface of the first connecting block 3 to cooperate with the connecting seat 41. Located directly below the connecting seat 41, the wedge block 43 on the upper first connecting block 3 can fit against the ball bearing 44 when the first blister tray 1 and the second blister tray 2 are stacked together.
[0027] By tilting and pulling the upper connecting block 3, the upper wedge block 43 moves together. Then, the wedge block 43 slides upward on the connecting seat 41 of the lower connecting block 3, separating from the lower connecting block 3. Each connecting block 3 is preferably provided with two connecting seats 41 and two wedge blocks 43, which can provide good support when the two blister trays are stacked together, and will not result in one side being higher than the other.
[0028] Furthermore, a storage slot 5 is provided on the bottom surface of the first blister tray 1 and the second blister tray 2 near the four corners, and a set of boosting mechanisms 6 is installed inside each storage slot 5.
[0029] Each set of the boosting mechanism 6 includes a second connecting block 61 fixedly installed inside the corresponding storage slot 5. A rotating shaft 62 is fixedly connected to the second connecting block 61. A connecting rod 63 arranged at an incline is rotatably connected to the rotating shaft 62. A push block 64 is provided on the end of the connecting rod 63 away from the rotating shaft 62.
[0030] The top surfaces of the first blister tray 1 and the second blister tray 2 are provided with the same number of force grooves 7 as the storage slots 5, located directly above the corresponding storage slots 5. It should be noted that the length of the force groove 7 is greater than the length of the storage slot 5. The force groove 7 is used in conjunction with the push block 64. Specifically, when the first blister tray 1 and the second blister tray 2 are stacked together, the push block 64, which is originally in an inclined state, contacts the bottom inner wall of the force groove 7 and rotates and folds into the inside of the force groove 7. When the upper blister tray is pulled upwards at an incline, the arc-shaped side of the push block 64 abuts against the inner side wall of the two force grooves 7 near the user. The connecting rod 63 rotates in the opposite direction, and the push block 64 applies pressure to the inner wall of the force groove 7 of the lower blister tray. The auxiliary pull-out component 4 separates the two blister trays and avoids lifting the lower tray.
[0031] Furthermore, the top surface of the connecting seat 41 is provided with a plurality of mounting grooves 42 arranged at equal intervals. Each mounting groove 42 is provided with a movable ball 44. The purpose of providing the ball 44 here is to avoid the problem that the upper wedge block 43 will not stick to the lower connecting seat 41 and will lift the lower blister tray along with it. It can also reduce friction when the upper connecting block 3 is pulled upward at an angle.
[0032] Furthermore, the opening shape of the connecting seat 41 is V-shaped. It should be noted that the purpose of setting the opening shape of the pull-out component 4 to V-shape is that no matter which direction the user tilts to remove the upper blister tray, the upper wedge block 43 will rise along the inclined surface of the top wall of the connecting seat 41 and apply force to the lower blister tray, so that the two blister trays are separated.
[0033] Furthermore, the longitudinal section of the wedge block 43 is an isosceles trapezoid, which allows the upper blister tray to be tilted and pulled up well when the upper blister tray is stacked on the lower blister tray, regardless of whether the worker is at either end of the blister tray, and the wedge block 43 will not interfere with the sliding.
[0034] Furthermore, the longitudinal section of the pusher block 64 is semi-circular.
[0035] Furthermore, a limiting block 65 is provided on the inner side of the second connecting block 61 and is located below the connecting rod 63, which allows the connecting rod 63 to always remain in an inclined state, so that when the two layers of blister trays are stacked together, the connecting rod 63 rotates and folds in a specified direction.
[0036] Furthermore, any two adjacent sets of push mechanisms 6 are arranged symmetrically. It should be noted that the purpose of this arrangement is to ensure that when the blister tray is pulled to one end, the two sets of push mechanisms 6 that are far from the end of force application will not act or interfere with each other.
[0037] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A blister tray structure to prevent the lower tray from being lifted up, comprising a first blister tray (1) and a second blister tray (2), characterized in that, A connecting block (3) is provided on both ends of the first blister tray (1) and the second blister tray (2), and a pull-out component (4) is installed on the first connecting block (3); The pull-out assembly (4) includes a connecting seat (41) respectively disposed on the top surface of the first connecting block (3), and a wedge block (43) disposed on the bottom surface of the first connecting block (3) and used in conjunction with the connecting seat (41), located directly below the connecting seat (41).
2. The blister tray structure according to claim 1 that prevents the lower tray from being lifted up, characterized in that, The first blister tray (1) and the second blister tray (2) are each provided with a storage slot (5) on the bottom surface near the four corners. Each storage slot (5) is equipped with a set of boosting mechanisms (6). Each set of the boosting mechanism (6) includes a second connecting block (61) fixedly installed inside the corresponding storage slot (5). A rotating shaft (62) is fixedly connected to the second connecting block (61). A connecting rod (63) arranged at an incline is rotatably connected to the rotating shaft (62). A push block (64) is provided on the end of the connecting rod (63) away from the rotating shaft (62). The top surfaces of the first blister tray (1) and the second blister tray (2) are provided with the same number of force grooves (7) as the storage slots (5), located directly above the corresponding storage slots (5).
3. The blister tray structure according to claim 1 that prevents the lower tray from being lifted up, characterized in that, The top surface of the connecting seat (41) is provided with a plurality of mounting slots (42) arranged at equal intervals, and each mounting slot (42) is provided with a movable ball (44).
4. The blister tray structure according to claim 1 that prevents the lower tray from being lifted up, characterized in that, The opening shape of the connector (41) is V-shaped.
5. The blister tray structure according to claim 1 that prevents the lower tray from being lifted up, characterized in that, The longitudinal section of the wedge block (43) is an isosceles trapezoid.
6. A blister tray structure to prevent the lower tray from being lifted up according to claim 2, characterized in that, The longitudinal section of the pusher block (64) is semi-circular.
7. A blister tray structure to prevent the lower tray from being lifted up according to claim 2, characterized in that, The inner side of the second connecting block (61) is provided with a limit block (65), which is located below the connecting rod (63).
8. A blister tray structure to prevent the lower tray from being lifted up according to claim 2, characterized in that, Any two adjacent sets of booster mechanisms (6) are arranged symmetrically.