Pull-type sealing device and packaging box using the device

Abstract

The present invention relates to a draw-type box sealing device, which comprises a lock component, a first buckle seat and a second buckle seat. The first buckle seat and the second buckle seat are simultaneously installed on the box cover of the packing box, and the lock component is installed on the corresponding box body of the packing box. A first buckle hole and a second buckle hole are respectively arranged in the first buckle seat and the second buckle seat. The lock component comprises a lock seat, an unlocking pull block, a first locking block, a second locking block, an unlocking compression spring and a pushing component. A first lock and a second lock are respectively arranged on the first locking block and the second locking block. The unlocking compression spring is arranged between the unlocking pull block and the lock seat. The pulled unlocking pull block drives the first locking block and the second locking block to move horizontally left and right simultaneously through the pushing component, so that the first lock and the second lock are respectively buckled with and separated from the first buckle hole and the second buckle hole. The present invention also discloses a packing box using the device. The present invention realizes the automatic sealing of the box cover and the box body, meeting the packaging requirements of the automatic production line.

Description

Technical Field

[0001] The present invention relates to a drawing-type box sealing device and a packing box using the device. Background Art

[0002] Most of the existing packing boxes cannot be automatically sealed, and manual intervention or participation is required to complete the box sealing, which cannot meet the growing needs of automated production. In addition, although the upper covers of some packing boxes can meet the requirements of automatic box sealing, the bottom covers of the packing boxes still cannot achieve automatic box sealing and still require manual participation in box sealing, and unmanned automatic box sealing cannot be achieved. The prior art needs to be further improved. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a drawing-type box sealing device and a packing box using the device, so as to realize the automatic box sealing of the box cover and the box body, especially to realize the automatic box sealing of the box body and the bottom cover of the box, and meet the packaging requirements of the automated production line.

[0004] The present invention is realized as follows: A drawing-type box sealing device is provided, which includes a lock component and a first buckle seat and a second buckle seat that are respectively buckled with the lock component. The first buckle seat and the second buckle seat are both installed on the box cover of the packing box, and the lock component is installed on the box body of the packing box. A first buckle hole and a second buckle hole are respectively arranged in the first buckle seat and the second buckle seat. The lock component includes a lock seat, an unlocking pull block, and a first lock block, a second lock block, an unlocking compression spring, and a pushing component arranged inside the lock seat. The unlocking pull block is installed on the lock seat, and the unlocking compression spring is arranged between the unlocking pull block and the lock seat. The pushing component includes two groups of obliquely inserted blocks and obliquely inserted holes that cooperate with each other. Each group of obliquely inserted blocks is arranged on the unlocking pull block, and the corresponding obliquely inserted holes are arranged on the lock seat. A first lock and a second lock are respectively arranged on the first lock block and the second lock block. The first lock and the second lock are respectively located outside the lock seat. The unlocking pull block pulled outwards drives the first lock block and the second lock block to move horizontally left and right through the pushing component, so that the first lock and the second lock are respectively buckled with and separated from the first buckle hole and the second buckle hole.

[0005] Further, the lock seat includes a first lock seat and a second lock seat that cooperate with each other, and the first lock seat and the second lock seat are respectively installed on the inner and outer side surfaces of the box body.

[0006] Further, a first lock guide groove, a second lock guide groove, a first lock guide post, and a second lock guide post are respectively arranged on the inner wall of the first lock seat. The first lock block moves horizontally left and right along the first lock guide groove and the first lock guide post at the same time, and the second lock block moves horizontally left and right along the second lock guide groove and the second lock guide post at the same time.

[0007] Further, a protective baffle is provided on the outer wall of the first lock base, and the unlocking pull block is arranged between the protective baffles.

[0008] Further, a plurality of positioning posts are provided on the lock seat, and positioning holes cooperating with the positioning posts are respectively provided on the first buckle seat and the second buckle seat.

[0009] Further, the first buckle seat includes a first outer buckle seat and a first inner buckle seat that cooperate with each other, and the first outer buckle seat and the first inner buckle seat are fixed on the inner and outer side surfaces of the lid of the packing box; the second buckle seat includes a second outer buckle seat and a second inner buckle seat that cooperate with each other, and the second outer buckle seat and the second inner buckle seat are fixed on the inner and outer side surfaces of the other lid of the packing box.

[0010] Further, a first anti-theft step, a second anti-theft step, a first lock hole and a second lock hole are further provided on the top of the lock seat. The first lock moves horizontally left and right in the first lock hole, the second lock moves horizontally left and right in the second lock hole, the first anti-theft step is provided on the edge of the first lock hole, and the second anti-theft step is provided on the edge of the second lock hole.

[0011] Further, a plurality of protrusions facilitating pulling are provided on the outer side wall of the unlocking pull block.

[0012] The present invention is realized as follows: a packing box is provided, and the pull-type sealing device as described above is used on the packing box.

[0013] Further, the packing box is provided with a left upper box cover, a right upper box cover, a left bottom box cover, a right bottom box cover and a box body. The pull-type sealing device is respectively arranged between the left upper box cover, the right upper box cover and the box body, and / or respectively arranged between the left bottom box cover, the right bottom box cover and the box body.

[0014] Compared with the prior art, the draw-type sealing device of the present invention and the packaging box using this device. The draw-type sealing device includes a locking component, a first buckle seat and a second buckle seat that are respectively buckled with the locking component. The first buckle seat and the second buckle seat are both installed on the lid of the packaging box, and the locking component is installed on the box body of the packaging box. A first buckle hole and a second buckle hole are respectively arranged in the first buckle seat and the second buckle seat. The locking component includes a locking seat, an unlocking pull block, and a first locking block, a second locking block, an unlocking compression spring, and a pushing component arranged inside the locking seat. The pushing component includes two groups of obliquely inserted blocks and obliquely inserted holes that cooperate with each other. Each group of obliquely inserted blocks is arranged on the unlocking pull block, and the corresponding obliquely inserted holes are arranged on the locking seat. A first lock and a second lock are respectively arranged on the first locking block and the second locking block. The first lock and the second lock are respectively located outside the locking seat. The unlocking pull block pulled outwards drives the first locking block and the second locking block to move horizontally left and right through the pushing component, so that the first lock and the second lock are respectively buckled with and separated from the first buckle hole and the second buckle hole. The unlocking compression spring drives the unlocking pull block to move from the unlocking position to the locking position. The first lock is inserted into the first buckle hole and buckled with the first buckle hole, and the second lock is simultaneously inserted into the second buckle hole and buckled with the second buckle hole. The draw-type sealing device is in a sealed state. Moreover, the first buckle seat and the second buckle seat can be buckled with the locking component under the action of the self-weight of the box body, realizing the automatic sealing of the bottom cover of the packaging box and meeting the packaging requirements of the automated production line. In addition, in the sealed state, the locking seat, the first locking block, and the second locking block are integrated as a whole, and they will not separate even if the packaging box drops abnormally, improving the anti-drop ability of the packaging box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of a preferred embodiment of the draw-type sealing device of the present invention, and the draw-type sealing device is in the sealed position;

[0016] Figure 2 is Figure 1 a three-dimensional schematic diagram of the draw-type sealing device in the unpacking position;

[0017] Figure 3 is Figure 2 a three-dimensional schematic diagram of the draw-type sealing device after removing the unlocking pull block;

[0018] Figure 4 is Figure 1 a three-dimensional schematic diagram of the draw-type sealing device after removing the second locking seat;

[0019] Figure 5 is Figure 2 a three-dimensional schematic diagram of the draw-type sealing device after removing the second locking seat;

[0020] Figure 6 is Figure 1Schematic three-dimensional view of the unlocking pulling block;

[0021] Figure 7 Schematic three-dimensional view of the packing box of the present invention in the sealed state;

[0022] Figure 8 is Figure 7 Schematic three-dimensional view of the upper cover of the packing box of [] in the unpacked state;

[0023] Figure 9 is Figure 7 Schematic three-dimensional view of the upper cover and the bottom cover of the packing box of [] in the fully opened state respectively;

[0024] Figure 10 is Figure 7 Schematic three-dimensional view of the packing box of [] in the folded state. Embodiment

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] Please refer to Figures 1 to 8 As shown, a preferred embodiment of the pull-type sealing device of the present invention includes a lock assembly 1 and a first buckle seat 2 and a second buckle seat 3 that are respectively buckled with the lock assembly 1. The first buckle seat 2 and the second buckle seat 3 are both installed on the box cover B of the packing box A, and the lock assembly 1 is installed on the box body C of the packing box A.

[0027] First buckle holes 21 and second buckle holes 31 are respectively provided in the first buckle seat 2 and the second buckle seat 3. The lock assembly 1 includes a lock seat 4, an unlocking pulling block 5, and a first locking block 6, a second locking block 7, an unlocking compression spring 8, and a pushing assembly 9 provided inside the lock seat 4. The unlocking pulling block 5 is installed on the lock seat 4, the unlocking compression spring 8 is provided between the unlocking pulling block 5 and the lock seat 4, and the pushing assembly 9 is provided between the lock seat 4 and the unlocking pulling block 5. The pushing assembly 9 includes two groups of diagonal insertion blocks 91 and diagonal insertion holes 92 that cooperate with each other. Each group of diagonal insertion blocks 91 is provided on the unlocking pulling block 5, and the corresponding diagonal insertion holes 92 are provided on the lock seat 4. The free ends of the diagonal insertion blocks 91 extend toward the side edge of the unlocking pulling block 5, so that the free ends of the two groups of diagonal insertion blocks 91 are respectively inclined toward the left and right sides of the unlocking pulling block 5.

[0028] The first locking latch 61 and the second locking latch 71 are respectively arranged on the first locking block 6 and the second locking block 7, and the first locking latch 61 and the second locking latch 71 are respectively located outside the locking seat 4. The unlocking pull block 5 pulled outwards drives the first locking block 6 and the second locking block 7 to move horizontally left and right through the pushing component 9, so that the first locking latch 61 and the second locking latch 71 are respectively engaged with and separated from the first latching hole 21 and the second latching hole 31, so that the pull-type sealing device is respectively in the sealed state and the unsealed state.

[0029] If the first locking latch 61 is inserted into the first latching hole 21 and engaged with the first latching hole 21, and the second locking latch 71 is simultaneously inserted into the second latching hole 31 and engaged with the second latching hole 31, the pull-type sealing device is in the sealed state, and the lid B of the packaging box A is latched and sealed with the box body C. If the first locking latch 61 and the second locking latch 71 are respectively separated from the first latching hole 21 and the second latching hole 31, the pull-type sealing device is in the unsealed state, the lid B of the packaging box A is separated from the box body C, and the lid B is opened from the box body C to achieve unsealing.

[0030] Please refer to Figure 4 As shown, when the unlocking pull block 5 is in the locked position, the first locking block 6 and the second locking block 7 approach each other and move towards the middle of the locking seat 4 respectively. Please refer to Figure 5 As shown, when the unlocking pull block 5 is in the unlocked position, the first locking block 6 and the second locking block 7 are separated from each other and move towards the sides of the locking seat 4 respectively.

[0031] The unlocking compression spring 8 drives the unlocking pull block 5 to move from the unlocked position to the locked position. Generally, the initial state of the unlocking pull block 5 is in the locked position. Only when the pull-type sealing device needs to be unlocked, the unlocking pull block 5 is pulled from the locked position to the unlocked position. After the pulling force is released, under the elastic force of the unlocking compression spring 8, the unlocking pull block 5 automatically retracts to the locked position of the initial state.

[0032] The locking seat 4 includes a first locking seat 42 and a second locking seat 43 that cooperate with each other. The first locking seat 42 and the second locking seat 43 are respectively installed on the inner and outer side surfaces of the box body C. A protective baffle 48 is arranged on the outer wall of the first locking seat 42, and the protective baffle 48 is arranged on the outer side of the unlocking pull block 5.

[0033] A first locking latch guide groove 44, a second locking latch guide groove 45, a first locking latch guide post 46 and a second locking latch guide post 47 are respectively arranged on the inner wall of the first locking seat 42. The first locking block 6 moves left and right along the first locking latch guide groove 44 and the first locking latch guide post 46 at the same time, and the second locking block 7 moves left and right along the second locking latch guide groove 45 and the second locking latch guide post 47 at the same time.

[0034] A plurality of positioning posts 41 are provided on the latch base 4, and positioning holes 24 and 34 that cooperate with the positioning posts are respectively provided on the first latch base 2 and the second latch base 3. Under the combined action of the positioning posts 41, the first latch 61, and the second latch 71, the anti-drop ability of the packing box A is effectively enhanced, preventing the packing box A from being accidentally opened after falling. Therefore, the pull-type sealing device of the present invention also enhances the anti-drop ability of the packing box A, enabling the packing box A to have a satisfactory anti-drop ability.

[0035] The first latch base 2 includes a first outer latch base 22 and a first inner latch base 23 that cooperate with each other. The first outer latch base 22 and the first inner latch base 23 are fixed on the inner and outer side surfaces of the lid B of the packing box A. The second latch base 3 includes a second outer latch base 32 and a second inner latch base 33 that cooperate with each other. The second outer latch base 32 and the second inner latch base 33 are fixed on the inner and outer side surfaces of another lid B of the packing box A.

[0036] A first anti-theft step 49, a second anti-theft step 410, a first latch hole 411, and a second latch hole 412 are further provided at the top of the latch base 4. The first latch 61 moves horizontally left and right within the first latch hole 411, and the second latch 71 moves horizontally left and right within the second latch hole 412. The first anti-theft step 49 is provided at the edge of the first latch hole 411, and the second anti-theft step 410 is provided at the edge of the second latch hole 412.

[0037] The first anti-theft step 49 and the second anti-theft step 410 are respectively provided at the edge parts of the first latch hole 411 and the second latch hole 48 where the first latch 61 and the second latch 71 can be contacted from the outside of the packing box A. As Figure 3 shown, in this embodiment, the first anti-theft step 49 is provided on the outer side edge of the first latch hole 411 and the side edge close to the sealing position of the first latch 61. Similarly, the second anti-theft step 410 is provided on the outer side edge of the second latch hole 48 and the side edge close to the sealing position of the second latch 71. The first anti-theft step 49 and the second anti-theft step 410 are respectively used to protect the first latch 61 and the second latch 71 from being moved by an external force deliberately applied through the gap between the lid B and the box body C and being in an open state, having an anti-theft function.

[0038] A plurality of protrusions 51 for easy pulling are provided on the outer side wall of the unlocking pull block 5. A groove 52 for installing the unlocking compression spring 8 is further provided on the unlocking pull block 5. A spring stop 413 is provided on the first lock seat 42. One end of the unlocking compression spring 8 is arranged in the groove 52, and the other end abuts against the spring stop 413. The spring stop 413 is located between the first latch block 6 and the second latch block 7.

[0039] A limit block 414 is provided on the first lock seat 42 to limit the position of the unlocking pull block 5 moving inward.

[0040] The present invention also discloses a packing box, on which the pull-type sealing device as described above is used.

[0041] Specifically, please also refer to Figures 1 to 10 As shown, the packing box A is provided with a left box upper cover B1, a right box upper cover B2, a left box bottom cover B3, a right box bottom cover B4 and a box body C. The box covers B respectively include the left box upper cover B1, the right box upper cover B2, the left box bottom cover B3 and the right box bottom cover B4. The pull-type sealing device is respectively arranged between the left box upper cover B1, the right box upper cover B2 and the box body C, and / or between the left box bottom cover B3, the right box bottom cover B4 and the box body C. That is to say, the pull-type sealing device can be separately arranged between the left box upper cover B1, the right box upper cover B2 and the box body C, or can be separately arranged between the left box bottom cover B3, the right box bottom cover B4 and the box body C, or can be simultaneously arranged between the left box upper cover B1, the right box upper cover B2, the left box bottom cover B3, the right box bottom cover B4 and the box body C.

[0042] The first buckle seat 2 and the second buckle seat 3 of the pull-type sealing device are respectively fixed on the front side edge and / or the rear side edge of the box cover B, and the lock buckle assembly 1 is fixed on the corresponding box body C. In this embodiment, four groups of pull-type sealing devices are respectively arranged on the packing box A. The four groups of first buckle seats 2 and second buckle seats 3 are respectively fixed on the front and rear side edges of the left box upper cover B1, the right box upper cover B2, the left box bottom cover B3 and the right box bottom cover B4, and the four groups of lock buckle assemblies 1 are respectively arranged at the corresponding positions on the box body C.

[0043] When sealing the box is needed, as long as the left box upper cover B1 and the right box upper cover B2 are pressed, or the left box bottom cover B3 and the right box bottom cover B4 are pressed, so that the first lock buckle 61 of the pull-type sealing device is inserted into the first buckle hole 21 and engaged with the first buckle hole 21, and the second lock buckle 71 is simultaneously inserted into the second buckle hole 31 and engaged with the second buckle hole 31, the pull-type sealing device is immediately in the box-sealing state, and the packing box A is sealed.

[0044] When the packing box A is placed on the ground, under the action of its own weight, the pull-type sealing devices on the left box bottom cover B3 and the right box bottom cover B4 of the packing box A can also seal and fasten the box bottom covers B3 and B4 with the box body C. Therefore, the packing box A of the present invention is very suitable for unmanned automatic box sealing and meets the packaging requirements of the automatic production line.

[0045] When the draw-type sealing device of the present invention is installed at the bottom of the packing box A, the unlocking draw block 5 of the draw-type sealing device is arranged inside the box body C. When it is necessary to open the bottom cover B3 and the right bottom cover B4 of the box, the unlocking draw block 5 must be drawn from inside the box body C to the unpacking position to open the bottom cover B3 and the right bottom cover B4. When the draw-type sealing device of the present invention is installed on the left upper cover B1 and the right upper cover B2 of the packing box A, the unlocking draw block 5 of the draw-type sealing device is arranged outside the box body C. By drawing the unlocking draw block 5 to the unpacking position, the left upper cover B1 and the right upper cover B2 of the packing box A can be opened. Since the thickness dimension of the draw-type sealing device provided on the packing box A of the present invention is small, the thickness dimension of the folded packing box A is also small, occupying less space and being convenient for transportation and storage, as Figure 9 shown.

[0046] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A drawing-type box sealing device, characterized in that, It includes a locking component, a first buckle seat and a second buckle seat that are respectively buckled with the locking component. The first buckle seat and the second buckle seat are both installed on the lid of the packing box, while the locking component is installed on the box body of the packing box. A first buckle hole and a second buckle hole are respectively arranged in the first buckle seat and the second buckle seat. The locking component includes a locking seat, an unlocking pull block, and a first locking block, a second locking block, an unlocking compression spring, and a pushing component arranged inside the locking seat. The unlocking pull block is installed on the locking seat, and the unlocking compression spring is arranged between the unlocking pull block and the locking seat. The pushing component includes two groups of obliquely inserted blocks and obliquely inserted holes that cooperate with each other. Each group of obliquely inserted blocks is arranged on the unlocking pull block, and the corresponding obliquely inserted holes are arranged on the locking seat. A first lock and a second lock are respectively arranged on the first locking block and the second locking block. The first lock and the second lock are respectively located outside the locking seat. The outwardly pulled unlocking pull block drives the first locking block and the second locking block to move horizontally left and right through the pushing component, so that the first lock and the second lock are respectively buckled with and separated from the first buckle hole and the second buckle hole. The locking seat includes a first lock seat and a second lock seat that cooperate with each other. The first lock seat and the second lock seat are respectively installed on the inner and outer side surfaces of the box body. A first lock guide groove, a second lock guide groove, a first lock guide post, and a second lock guide post are respectively arranged on the inner wall of the first lock seat. The first locking block moves horizontally left and right along the first lock guide groove and the first lock guide post at the same time, and the second locking block moves horizontally left and right along the second lock guide groove and the second lock guide post at the same time. A protective baffle is arranged on the outer wall of the first lock seat, and the unlocking pull block is arranged between the protective baffles. A first anti-theft step, a second anti-theft step, a first lock hole, and a second lock hole are also arranged on the top of the locking seat. The first lock moves horizontally left and right in the first lock hole, the second lock moves horizontally left and right in the second lock hole. The first anti-theft step is arranged on the edge of the first lock hole, and the second anti-theft step is arranged on the edge of the second lock hole.

2. The draw-type carton sealing device according to claim 1, wherein A plurality of positioning posts are arranged on the locking seat, and positioning holes that cooperate with the positioning posts are respectively arranged on the first buckle seat and the second buckle seat.

3. The drawing-type carton sealing device according to claim 1, wherein The first buckle seat includes a first outer buckle seat and a first inner buckle seat that cooperate with each other. The first outer buckle seat and the first inner buckle seat are fixed on the inner and outer side surfaces of the lid of the packing box. The second buckle seat includes a second outer buckle seat and a second inner buckle seat that cooperate with each other. The second outer buckle seat and the second inner buckle seat are fixed on the inner and outer side surfaces of the other lid of the packing box.

4. The draw-type carton sealing device according to claim 1, wherein, A plurality of protrusions for easy pulling are arranged on the outer side wall of the unlocking pull block.

5. A packing box, characterized in that, The pull-type sealing device as described in any one of claims 1 to 4 is used on the packing box.

6. The packing box according to claim 5, wherein, The packing box is provided with a left box upper cover, a right box upper cover, a left box bottom cover, a right box bottom cover, and a box body. The pull-type sealing device is respectively arranged between the left box upper cover, the right box upper cover and the box body, and / or respectively arranged between the left box bottom cover, the right box bottom cover and the box body.

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