Rotational molding box sealing assembly

Abstract

The utility model discloses a rotational molding box sealing assembly which comprises a box body and a sealing cover arranged at the upper end of the box body, lock catches are fixedly installed on the outer walls of the front side and the rear side of the box body, retracting and pulling mechanisms are fixedly installed on the outer walls of the left side and the right side of the box body, a sealing groove is formed in the outer wall of the upper end of the box body, and a rubber ring is fixedly connected to the inner wall of the sealing groove. The outer walls of the front side and the rear side of the sealing cover are fixedly provided with inserting pieces used in cooperation with the lock catches, the outer walls of the left side and the right side of the sealing cover are fixedly provided with pull rings connected with the retracting and pulling mechanisms in a matched mode, the lower end of the sealing cover is fixedly connected with a sealing plate stretching into the sealing groove, and the lower end of the sealing plate is fixedly connected with an extension block. The outer wall of the inner side of the sealing plate is fixedly connected with a positioning protruding block used for being connected with the rubber ring in a clamped mode. According to the rotational molding box, the problems that when the box cover of the rotational molding box is closed, the sealing strip is pressed unevenly, gaps are easily generated in local areas, and the sealing effect is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rotational moulded box, especially relates to a rotational moulded box sealing assembly. BACKGROUND

[0002] Rotational moulding is a kind of hollow forming method of thermoplastic plastic. It includes rotational moulding of dry powder such as PE, rotational moulding of PVC paste resin and rotational moulding of liquid monomer polymerization. The three kinds of rotational moulding have different characteristics, but the same principle. That is, the powder or paste or monomer material is injected into the mold, and the material is evenly distributed in the mold cavity and melted by heating and double-axis rolling rotation, and the hollow product is obtained after cooling and demolding, that is, the rotational moulded box.

[0003] However, the prior art has some problems: when the box cover of the rotational moulded box is closed, the sealing strip is unevenly pressed, gaps are easily generated in local areas, and the sealing effect is affected, so we provide a rotational moulded box sealing assembly. UTILITY MODEL CONTENTS

[0004] In view of the above technical problems, the utility model provides a rotational moulded box sealing assembly, which solves the problem that when the box cover of the rotational moulded box is closed, the sealing strip is unevenly pressed, gaps are easily generated in local areas, and the sealing effect is affected.

[0005] The utility model is realized in this way, a kind of rotational moulded box sealing assembly, including box body and the sealing cover being set at the upper end of box body, the lock catch is fixedly installed on the outer wall of the front and rear two sides of box body, the take-up mechanism is fixedly installed on the outer wall of the left and right two sides of box body, the sealing groove is equipped on the outer wall of the upper end of box body, the rubber ring is fixedly connected in the inner wall of sealing groove, the insert sheet that is used in cooperation with lock catch is fixedly installed on the outer wall of the front and rear two sides of sealing cover, the pull ring that is connected with take-up mechanism is fixedly installed on the outer wall of the left and right two sides of sealing cover, the sealing plate that is inserted into the inside of sealing groove is fixedly connected to the lower end of sealing cover, the extension block is fixedly connected to the lower end of sealing plate, the positioning boss that is used for the clamping of rubber ring is fixedly connected to the inner wall of sealing plate.

[0006] As preferred in the utility model, the spring is fixedly connected in the inside of sealing groove, and the spring is located at the lower end of rubber ring.

[0007] As preferred in the utility model, the limiting protrusion is fixedly connected to the outer edge of the upper end of rubber ring, the inclined surface that inclines downward is equipped on the lower end surface of limiting protrusion, the limiting protrusion is clamped in cooperation with fixed protrusion through inclined surface, and the arc-shaped angle is equipped on the upper end of limiting protrusion.

[0008] As preferred in the utility model, the inclined surface that cooperates with inclined surface is equipped on the outer wall of the upper end of fixed protrusion, and the cooperation groove of limiting protrusion is reserved between sealing plate and fixed protrusion.

[0009] As the utility model preferred, the collection and draw mechanism includes a group of fixed lug fixedly connected on the outer wall of the box, the fixed lug is movably connected with the pivot, one end of the pivot is fixedly connected with the handle penetrating the fixed lug, the outer wall of the pivot is fixedly connected with a plurality of limit buckles.

[0010] As the utility model preferred, the outer wall of the pivot is equipped with the drawstring, the outer wall of the drawstring is equipped with a plurality of through holes and a plurality of connecting holes, the through hole is located on the upper end of the connecting hole, the through hole is used for limit buckle connection, the drawstring is connected with the pivot through the through hole.

[0011] As the utility model preferred, the upper end of the drawstring is equipped with the bending part, the drawstring is sleeved on the outer wall of the pull ring through the bending part, the outer wall of the bending part is movably connected with a plurality of fixed buckles, the fixed buckle is connected with the drawstring limit through the through hole.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The sealing cover of the utility model is through the sealing plate into the sealing groove inside, utilizes the collection and draw mechanism to pull the pull ring, makes the positioning lug on the sealing plate contact with the sealing ring, makes the sealing ring under the action of force, through the notch equipped on the sealing ring, moves down, generates the deformation and is accommodated to the notch inside, when the positioning lug moves to the lower end of the limiting protrusion, the limiting protrusion resets, limits the positioning lug, improves the sealing property between the box cover, and the stability of the box cover connection is improved by inserting the plug into the lock buckle. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic view provided by the utility model embodiment;

[0015] Figure 2 It is the sectional view schematic view provided by the utility model embodiment;

[0016] Figure 3 It is the provided by the utility model embodiment; Figure 2 The enlarged schematic view in b area;

[0017] Figure 4 It is the provided by the utility model embodiment; Figure 1 The enlarged schematic view in a area;

[0018] Figure 5 It is the pivot and fixed lug connection schematic view provided by the utility model embodiment;

[0019] Figure 6 It is the drawstring and pull ring connection schematic view provided by the utility model embodiment.

[0020] In the figure: 1, box body; 2, sealing cover; 3, pull ring; 4, pull-in mechanism; 11, lock catch; 12, sealing groove; 13, spring; 14, rubber ring; 141, inclined platform; 142, limiting protrusion; 21, sealing plate; 22, insert piece; 211, extension block; 212, matching groove; 213, positioning protrusion; 41, fixing lug; 42, handle; 43, pull belt; 44, rotating shaft; 431, through hole; 432, bending part; 433, connecting hole; 434, fixing buckle; 441, limiting buckle. DETAILED DESCRIPTION

[0021] In order to further understand the utility model content, characteristics and efficacy of the utility model, the following examples are cited, and the detailed description is as follows in conjunction with the drawings.

[0022] The structure of the utility model will be described in detail below in conjunction with the drawings.

[0023] Example 1:

[0024] As Figures 1 to 3 shown, the sealing assembly of the rotational molding box provided by the utility model embodiment comprises a box body 1 and a sealing cover 2 arranged at the upper end of the box body 1, lock catches 11 are fixedly installed on the outer walls of the front and rear sides of the box body 1, pull-in mechanisms 4 are fixedly installed on the outer walls of the left and right sides of the box body 1, a sealing groove 12 is arranged on the outer wall of the upper end of the box body 1, a rubber ring 14 is fixedly connected to the inner wall of the sealing groove 12, insert pieces 22 that are used in cooperation with the lock catches 11 are fixedly installed on the outer walls of the front and rear sides of the sealing cover 2, pull rings 3 that are connected in cooperation with the pull-in mechanisms 4 are fixedly installed on the outer walls of the left and right sides of the sealing cover 2, a sealing plate 21 that extends into the inside of the sealing groove 12 is fixedly connected to the lower end of the sealing cover 2, an extension block 211 is fixedly connected to the lower end of the sealing plate 21, and positioning protrusions 213 that are used for clamping the rubber ring 14 are fixedly connected to the inner side of the outer wall of the sealing plate 21; the sealing cover 2 of the utility model extends into the inside of the sealing groove 12 through the sealing plate 21, the pull-in mechanism 4 pulls the pull belt 43 to pull the pull ring 3, so that the positioning protrusions 213 on the sealing plate 21 are in contact with the sealing ring, the sealing ring moves downward and deforms to be accommodated in the notch in the sealing ring under the action of force, and when the positioning protrusions 213 move to the lower end of the limiting protrusion 142, the limiting protrusion 142 resets to limit the positioning protrusions 213, thereby improving the sealing property between the box covers, and the insert pieces 22 are inserted into the inside of the lock catches 11 to improve the stability of the connection between the box covers.

[0025] As Figure 3As shown, the sealing groove 12 is internally fixedly connected with a spring 13, and the spring 13 is located at the lower end of a rubber ring 14; through the spring 13, when the extension block 211 extends into the sealing groove 12, the spring 13 is compressed, and through the resilience of the spring 13, the extension block 211 is driven, so that the positioning protrusion 213 on the sealing plate 21 is in close contact with the rubber ring 14, and the sealing property between the sealing plate 21 and the rubber ring 14 is improved.

[0026] As shown in Figure 3 the upper end of the rubber ring 14 is fixedly connected with a limiting protrusion 142, the lower end surface of the limiting protrusion 142 is provided with a downward inclined inclined surface 141, the limiting protrusion 142 is clamped with the fixed protrusion through the inclined surface 141, and the upper end of the limiting protrusion 142 is provided with an arc-shaped corner; through the limiting protrusion 142, when the spring 13 drives the sealing plate 21 to reset, the sealing plate 21 is limited through cooperation with the positioning protrusion 213, and the inclined surface 141 arranged at the bottom of the limiting protrusion 142 facilitates the positioning protrusion 213 to move into the notch arranged on the sealing plate 21 under the action of force when the sealing cover 2 is disassembled, so that the sealing cover 2 is disassembled.

[0027] As shown in Figure 3 the upper end of the fixed protrusion is provided with an inclined surface matched with the inclined surface 141, and the sealing plate 21 and the fixed protrusion are reserved with a matching groove 212 matched with the limiting protrusion 142; the matching groove 212 is arranged to facilitate close contact with the limiting protrusion 142.

[0028] As shown in Figures 4 to 5 the collecting and pulling mechanism 4 includes a group of fixed ears 41 fixedly connected to the outer wall of the box body 1, the fixed ears 41 are movably connected with a rotating shaft 44, one end of the rotating shaft 44 penetrates the fixed ear 41 and is fixedly connected with a rotating handle 42, and the outer wall of the rotating shaft 44 is fixedly connected with a plurality of limiting buckles 441; the limiting buckles 441 are arranged to connect the pulling belt 43, and the rotating handle 42 drives the rotating shaft 44 to rotate, so as to realize the winding and unwinding of the pulling belt 43.

[0029] As shown in Figure 6As shown, the outer wall of the rotating shaft 44 is provided with a pull belt 43, the outer wall of the pull belt 43 is provided with a plurality of through holes 431 and a plurality of connecting holes 433, the through holes 431 are located at the upper end of the connecting holes 433, the through holes 431 are used for connecting the limiting buckle 441, and the pull belt 43 is connected with the rotating shaft 44 through the through holes 431; the upper end of the pull belt 43 is provided with a bending part 432, the pull belt 43 is sleeved on the outer wall of the pull ring 3 through the bending part 432, a plurality of fixed buckles 434 are movably connected to the outer wall of the bending part 432, the fixed buckles 434 pass through the through holes 431 and are limitedly connected with the pull belt 43; the pull belt 43 is connected with the limiting buckle 441 through the connecting holes 433, the bending part 432 cooperates with the fixed buckles 434 to pass through the through holes 431, the bending part 432 is sleeved on the outer wall of the pull ring 3, the rotating handle 42 is rotated to drive the rotating shaft 44 to rotate, the pull belt 43 is conveniently rolled, the pull belt 43 is rolled to pull the pull ring 3, the sealing cover 2 is forced to move downward, the sealing plate 21 is driven to extend into the inside of the sealing groove 12, and the sealing cover 2 is conveniently connected with the box body 1.

[0030] Working principle of example 1:

[0031] In use, the sealing cover 2 is connected to the upper end of the box body 1, then the rotating handle 42 is rotated to drive the rotating shaft 44 to rotate, the pull belt 43 is conveniently rolled, the pull belt 43 is rolled to pull the pull ring 3, the sealing cover 2 is forced to move downward, the sealing plate 21 is driven to extend into the inside of the sealing groove 12, the sealing plate 21 extends into the inside of the sealing groove 12, the positioning protrusions 213 on the sealing plate 21 contact the sealing ring, the sealing ring is forced to move downward and deform to be accommodated in the notch in the sealing ring, when the positioning protrusions 213 move to the lower end of the limiting protrusions 142, the limiting protrusions 142 are reset to limit the positioning protrusions 213, the sealing property between the box covers is improved, and the stability of the connection between the box covers is improved by inserting the insertion piece 22 into the inside of the lock buckle 11.

[0032] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rotomolded box sealing assembly, comprising a box body (1) and a sealing cap (2) disposed on the upper end of the box body (1), characterized in that: The outer walls of the front and rear sides of the box (1) are fixedly equipped with buckles (11), and the outer walls of the left and right sides of the box (1) are fixedly equipped with pull-out mechanisms (4). The upper outer wall of the box (1) is provided with a sealing groove (12). The inner wall of the sealing groove (12) is fixedly connected with a rubber ring (14). The outer walls of the front and rear sides of the sealing cover (2) are fixedly equipped with inserts (22) that cooperate with the buckles (11). The outer walls of the left and right sides of the sealing cover (2) are fixedly equipped with pull rings (3) that cooperate with the pull-out mechanisms (4). The lower end of the sealing cover (2) is fixedly connected with a sealing plate (21) that extends into the sealing groove (12). The lower end of the sealing plate (21) is fixedly connected with an extension block (211). The inner outer wall of the sealing plate (21) is fixedly connected with a positioning protrusion (213) that engages with the rubber ring (14).

2. The rotomolded box sealing assembly as described in claim 1, characterized in that: A spring (13) is fixedly connected inside the sealing groove (12), and the spring (13) is located at the lower end of the rubber ring (14).

3. The rotomolded box sealing assembly as described in claim 2, characterized in that: The upper outer edge of the rubber ring (14) is fixedly connected to a limiting protrusion (142). The lower end face of the limiting protrusion (142) is provided with a downwardly inclined ramp (141). The limiting protrusion (142) is engaged with the fixed protrusion through the ramp (141). The upper end of the limiting protrusion (142) is provided with an arc angle.

4. The rotomolded box sealing assembly as described in claim 3, characterized in that: The upper outer wall of the fixed protrusion is provided with an inclined surface that matches the inclined platform (141), and the sealing plate (21) and the fixed protrusion are provided with a matching groove (212) that matches the limiting protrusion (142).

5. The rotomolded box sealing assembly as described in claim 1, characterized in that: The retractable mechanism (4) includes a set of fixed ears (41) fixedly connected to the outer wall of the box (1). A rotating shaft (44) is movably connected between the fixed ears (41). One end of the rotating shaft (44) passes through the fixed ears (41) and is fixedly connected to a rotating handle (42). Multiple limit buckles (441) are fixedly connected to the outer wall of the rotating shaft (44).

6. The rotomolded box sealing assembly as described in claim 5, characterized in that: The outer wall of the rotating shaft (44) is provided with a pull strap (43). The outer wall of the pull strap (43) is provided with multiple through holes (431) and multiple connecting holes (433). The through holes (431) are located at the upper end of the connecting holes (433). The through holes (431) are used for connection of the limit buckle (441). The pull strap (43) is connected to the rotating shaft (44) through the through holes (431).

7. A rotomolded box sealing assembly as described in claim 6, characterized in that: The upper end of the pull strap (43) is provided with a bending part (432). The pull strap (43) is sleeved on the outer wall of the pull ring (3) through the bending part (432). Multiple fixing buckles (434) are movably connected to the outer wall of the bending part (432). The fixing buckles (434) pass through the through hole (431) and are limited to the pull strap (43).

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