CN219407613U

CN219407613U - Waterproof plug for tray

Info

Publication number: CN219407613U
Application number: CN202320081343.XU
Authority: CN
Inventors: 唐旭东
Original assignee: Shanghai Pailian Plastic Industry Co ltd
Current assignee: Shanghai Pailian Plastic Industry Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-07-25
Anticipated expiration: 2033-01-12

Abstract

The utility model relates to the field of waterproof plugs, in particular to a waterproof plug for a tray, which comprises a plug cap and a plug column; the plug cap is internally provided with a circular groove, a sealing assembly is arranged in the groove, the sealing assembly comprises a plurality of soft rubber sealing rings with concentricity, connecting strips and soft silica gel bosses, the bottoms of all the soft rubber sealing rings are fixedly connected through the connecting strips, the tops of all the soft rubber sealing rings are provided with the soft silica gel bosses, and the soft silica gel bosses are higher than the edge of the plug cap; the innermost soft rubber sealing ring is connected with a plug, and the plug cap are integrally injection molded; the soft silica gel boss on the sealing assembly is in interference fit with the surface of the tray through the plug cap, so that the waterproof sealing effect is good; the soft silica gel boss and the soft rubber sealing ring are prevented from falling off from the plug cap by arranging the connecting strip on the soft rubber sealing ring, so that the fixing purpose is achieved; the guide section of the plug is narrow in upper part and wide in lower part, the installation is convenient, the side surface of the connecting section is an arc surface, arc barbs are formed, the arc barbs are in interference fit with holes formed in the tray, and the waterproof plug is not easy to fall off.

Description

Waterproof plug for tray

Technical Field

The utility model relates to the field of waterproof plugs, in particular to a waterproof plug for a tray.

Background

The plastic products are the general names of articles for life, industry and the like which are processed by adopting plastics as main raw materials, and comprise all the products of processes of injection molding, plastic suction molding and the like which take plastics as raw materials, and the plastics are synthetic high polymer materials with plasticity. At present, plastic products are various and different in use modes, wherein the plastic tray is one of the plastic products, a plurality of holes are formed in the existing plastic tray, and waterproof plugs are needed to be used for blocking the holes.

The waterproof plug arranged inside the existing plastic tray is directly clamped in the hole in the plastic tray, the contact area between the waterproof plug and the edge of the hole is small, gaps are possibly exposed between the waterproof plug and the edge of the hole, and water possibly enters the inside of the plastic tray to influence the use of the tray.

The prior art solves the above problems by providing a rubber cork in a waterproof plug, but the rubber cork is worn after long-time use, so that the waterproof effect is deteriorated, and therefore, it is necessary to provide a waterproof plug for a tray to solve the above problems.

Disclosure of Invention

The utility model aims to provide a waterproof plug for a tray, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a waterproof plug for a tray comprises a plug cap and a plug column; the plug cap is internally provided with a circular groove, a sealing assembly is arranged in the groove, the sealing assembly comprises a plurality of soft rubber sealing rings with concentricity, connecting strips and soft silica gel bosses, the bottoms of all the soft rubber sealing rings are fixedly connected through the connecting strips, the tops of all the soft rubber sealing rings are provided with the soft silica gel bosses, and the soft silica gel bosses are higher than the edge of the plug cap; the innermost soft rubber sealing ring is internally connected with the plug, and the plug cap are integrally injection molded.

Here, waterproof stopper passes through the stopper post to be fixed in the waterproof hole of tray, and the stopper cap seals and fixes waterproof hole periphery, and is provided with a plurality of layers of soft rubber sealing washer in the stopper cap inside, sets up soft silica gel boss on the soft rubber sealing washer, and its position is higher than the degree of depth of recess, can play waterproof purpose.

Preferably, the sealing component is formed by one-time injection molding, and the plug cap and the plug post are formed by two-time injection molding on the basis of the sealing component; firstly, carrying out primary injection molding on the sealing component, and then carrying out secondary injection molding in a model of the plug and the plug cap, thereby completing the production of the waterproof plug; the connecting strip is correspondingly connected in the bottom slot of the plug cap model.

Preferably, the top of the plug cap is provided with a strip-shaped slot corresponding to the connecting strip; the grooving has certain flexible space, makes things convenient for the cock cap to seal waterproof hole.

Preferably, the plug comprises a reserved section, a connecting section and a guide section, wherein the reserved section and the connecting section are in a round table shape, and the side surface of the connecting section is an arc surface protruding outwards;

the guide section plays a role in guiding, the foremost end of the guide section is the smallest circle, the guide section is easily and correspondingly placed on the waterproof hole on the tray, the guide section is the gradually enlarged circle backwards, and the guide section is gradually led into the waterproof hole to play a role in guiding; the circumference of linkage segment is greater than waterproof hole, forms convex barb after the linkage segment gets into the trompil, avoids waterproof stopper body to drop, fixes waterproof stopper in the waterproof hole of tray, and the reservation section is used for connecting tray and waterproof stopper.

Preferably, the lower round surface of the connecting section is connected with the upper round surface of the reserved section, the upper round surface of the connecting section is connected with the lower round surface of the guiding section, and the connecting section forms a smooth curved surface with the connecting surfaces of the reserved section and the guiding section; here, the areas of the two ends of the connecting section are the same, and the plug is not blocked in the process of being plugged into the tray opening.

Preferably, the area of one side of the reserved section connected with the plug cap is larger than the area connected with the connecting section; here, reserve the section and be waterproof hole and have certain degree of depth, need remain certain space here, reduce the wearing and tearing of tray to waterproof stopper, in addition, reserve the section and be the round face that gradually increases towards the one end of waterproof hole, the plug also can play waterproof purpose in waterproof hole like this, avoids the junction of plug and waterproof hole too loose, can not reach waterproof purpose.

Preferably, the surface of the soft silica gel boss is an arc-shaped surface; the soft silica gel boss up end is little, and in pressing process, the area of contact with the tray surface is little, and the pressure that receives is big, easily produces deformation to reach sealed waterproof effect.

Compared with the prior art, the utility model has the beneficial effects that:

according to the waterproof plug for the tray, the sealing component is arranged in the plug cap, and the soft silica gel boss is in interference fit with the surface of the tray, so that the waterproof sealing effect is good; the connecting strip is arranged on the soft rubber sealing ring, so that the sealing component is prevented from falling off from the plug cap, and the purpose of fixing is achieved;

the stopper is set up to olive form, and narrow lower wide in its guide section, and the side of linkage segment is the arc surface, forms convex barb, and the hole interference fit of seting up with the tray lets waterproof stopper be difficult for droing, reserves the section and the contact of waterproof hole, leaves certain space in one side of connecting the stopper cap, reduces the wearing and tearing of tray to waterproof stopper.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic view of a seal assembly according to the present utility model;

FIG. 4 is a schematic diagram of a seal assembly according to the present utility model;

FIG. 5 is a schematic view of the application state structure of the present utility model on a tray;

in the figure: 1. a plug cap; 11. a groove; 12. slotting; 2. a plug; 21. reserving a section; 22. a connection section; 23. a guide section; 3. a seal assembly; 31. soft silica gel boss; 32. a soft rubber sealing ring; 33. and (5) connecting strips.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-5, the present utility model provides a technical solution: a waterproof plug for a tray comprises a plug cap 1 and a plug column 2; the plug cap 1 is internally provided with a circular groove 11, a sealing assembly 3 is arranged in the groove 11, the sealing assembly 3 comprises a plurality of soft rubber sealing rings 32 with concentricity, connecting strips 33 and soft silica gel bosses 31, the bottoms of all the soft rubber sealing rings 32 are fixedly connected through the connecting strips 33, the soft silica gel bosses 31 are arranged at the tops of all the soft rubber sealing rings 32, and the soft silica gel bosses 31 are higher than the edge of the plug cap 1; the innermost soft rubber sealing ring 32 is connected with the plug 2, and the plug 2 and the plug cap 1 are integrally injection molded.

Here, waterproof stopper passes through stopper post 2 to be fixed in the waterproof hole of tray, and stopper cap 1 seals and fixes waterproof hole periphery, and is provided with a plurality of layers of soft rubber sealing washer 32 inside the stopper cap 1, sets up soft silica gel boss 31 on the soft rubber sealing washer 32, and its position is higher than the degree of depth of recess 11, can play waterproof purpose.

Further, the sealing component 3 is formed by one-time injection molding, the plug cap 1 and the plug post 2 are formed by two-time injection molding on the basis of the sealing component 3, the sealing component 3 is formed by one-time injection molding, and then the two-time injection molding is carried out in a model of the plug post 2 and the plug cap 1, so that the production of the waterproof plug is completed; wherein the connecting strip 33 is correspondingly connected in the bottom slot 12 of the model of the plug cap 1.

Again, what is particularly remarked here is: the sealing component 3 mainly plays a role in sealing, so that soft rubber, such as soft rubber of TPE material, is used, has the characteristics of high strength, high rebound resilience and injection molding processing, has wide application range, is environment-friendly, nontoxic and safe, can be recycled, reduces cost and has excellent colorability. Furthermore, the TPE material can be independently molded; and also carrying out secondary injection molding, and coating and bonding with matrix materials such as PP, PE, PC, PS, ABS; the sealing assembly 3 is thus injection molded once. Then, the soft silica gel boss 31 and the soft silica gel sealing ring 32 are fixed in the groove 11 of the plug cap 1, and the connecting strips 33 are arranged between the soft silica gel bosses 31 for fixation, so that the connecting strips 33 increase stability and play a role of reinforcing ribs on the basis of not affecting the elastic characteristics of the soft silica gel bosses;

the plug cap 1 and the plug column 2 are made of hard rubber materials, have the characteristics of rigidity, hardness and high mechanical strength, are used for low-pressure polymerization, and can be made into a pipeline with high hardness, so that the stability of the plug cap 1 and the plug column 2 cannot be affected even if the plug column 2 is hollow, and the bottom of the plug column 2 is in interference fit with the mounting hole on the panel through the back-off surface of the reserved section 21, so that the waterproof plug is prevented from falling, and the sealing effect of the waterproof plug is guaranteed, and meanwhile, the stability of the connection of the waterproof plug and the tray is guaranteed.

Further, the connecting strip 33 is a strip-shaped slot 12 correspondingly on the top of the plug cap 1, and the slot 12 has a certain telescopic space, so that the plug cap 1 can conveniently seal the waterproof hole.

Further, the plug 2 comprises a reserved section 21, a connecting section 22 and a guiding section 23, wherein the reserved section 21 and the connecting section 22 are both in a shape of a round table, and the side surface of the connecting section 22 is an arc surface protruding outwards;

the guiding section 23 plays a guiding role, the smallest circle at the forefront end of the guiding section 23 is easily and correspondingly placed on the waterproof hole on the tray, the guiding section 23 is a gradually enlarged circle backwards, and the circle is gradually led into the waterproof hole to play a guiding role; the circumference of the connecting section 22 is larger than the waterproof hole, the connecting section 22 forms arc barbs after entering the opening hole, the waterproof plug body is prevented from falling off, the waterproof plug is fixed in the waterproof hole of the tray, and the reserved section 21 is used for connecting the tray and the waterproof plug.

Further, the lower round surface of the connecting section 22 is connected with the upper round surface of the reserved section 21, the upper round surface of the connecting section 22 is connected with the lower round surface of the guiding section 23, and the connecting surfaces of the connecting section 22, the reserved section 21 and the guiding section 23 form a smooth curved surface; here, the areas of the two ends of the connecting section 22 are the same, and are not obstructed during the insertion of the plug 2 into the tray opening.

Further, the area of one side of the reserved section 21 connected with the plug cap 1 is larger than the area of the connecting section 22; here, the reserved section 21 is set because the waterproof hole has a certain depth, a certain space is required to be reserved, abrasion of the tray to the waterproof plug is reduced, in addition, one end of the reserved section 21, which faces the waterproof hole, is a gradually-increased round surface, so that the plug 2 can play a waterproof role in the waterproof hole, and the situation that the junction of the plug 2 and the waterproof hole is too loose is avoided, and the waterproof purpose cannot be achieved.

Further, the surface of the soft silica gel boss 31 is an arc surface; the soft silica gel boss 31 up end is little, and in pressing process, the area of contact with the tray surface is little, and the pressure that receives is big, easily produces deformation to reach sealed waterproof effect.

Working principle: when in use, the plug 2 is placed on the waterproof hole, the hole on the tray corresponds downwards through the guide section 23, then the back of the plug cap 1 is pressed, the plug 2 is extruded into the hole on the tray, the circumference of the connecting section 22 is larger than the waterproof hole, the waterproof plug is fixed on the tray, the waterproof plug is prevented from falling off, meanwhile, the soft silica gel boss 31 at the top of the soft rubber sealing ring 32 is in interference fit with the surface of the tray, the sealing waterproof effect is enhanced, the reserved section 21 enters the hole on the tray, the arc surface of the reserved section 21 has a gradually shrinking relationship with the hole on the tray, the two are matched with each other, and a certain point on the reserved section 21 is tightly connected with the hole on the tray, so that the waterproof purpose is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A waterproof plug for a tray, characterized in that: comprises a plug cap (1) and a plug post (2); the plug cap (1) is internally provided with a circular groove (11), a sealing assembly (3) is arranged in the groove (11), the sealing assembly (3) comprises a plurality of soft rubber sealing rings (32) with concentricity, connecting strips (33) and soft silica gel bosses (31), the bottoms of all the soft rubber sealing rings (32) are fixedly connected through the connecting strips (33), soft silica gel bosses (31) are arranged at the tops of all the soft rubber sealing rings (32), and the soft silica gel bosses (31) are higher than the edge of the plug cap (1); the innermost soft rubber sealing ring (32) is internally connected with the plug (2).

2. A waterproof plug for a tray according to claim 1, wherein: the sealing component (3) is formed by one-time injection molding, and the plug cap (1) and the plug post (2) are formed by two-time injection molding on the basis of the sealing component (3).

3. A waterproof plug for a tray according to claim 1, wherein: the top of the plug cap (1) is provided with a strip-shaped slot (12) corresponding to the connecting strip (33).

4. A waterproof plug for a tray according to claim 1, wherein: the plug (2) comprises a reserved section (21), a connecting section (22) and a guide section (23), wherein the reserved section (21) and the connecting section (22) are in a round table shape, and the side surface of the connecting section (22) is an arc surface protruding outwards.

5. A waterproof plug for a tray according to claim 4, wherein: the lower round surface of the connecting section (22) is connected with the upper round surface of the reserved section (21), the upper round surface of the connecting section (22) is connected with the lower round surface of the guide section (23), and the connecting section (22) forms a smooth curved surface with the connecting surfaces of the reserved section (21) and the guide section (23).

6. A waterproof plug for a tray according to claim 4, wherein: the area of one side of the reserved section (21) connected with the plug cap (1) is larger than the area connected with the connecting section (22).

7. A waterproof plug for a tray according to claim 1, wherein: the surface of the soft silica gel boss (31) is an arc-shaped surface.