Waterproof structure for solving high-pressure flushing of PCB (Printed Circuit Board) shell

Abstract

The utility model relates to the field of waterproof structures, and discloses a waterproof structure for solving high-pressure flushing of a PCB (printed circuit board) shell, which comprises a shell, the bottom end of the shell is sleeved with a fixing ring, the right end of the fixing ring is fixedly connected with a connecting band, the other end of the connecting band is fixedly connected with a reinforcing edge, and the inner wall of the reinforcing edge is fixedly connected with a dustproof cover. The dustproof cover is connected to the top end of the shell in a sleeving mode, a sealing assembly is arranged on the outer wall of the dustproof cover and comprises a fixing assembly and a closing assembly, the closing assembly comprises a sealing table, the sealing table is fixedly connected to the upper surface of the shell, and a sealing inner buckle is arranged on the inner wall of the dustproof cover. According to the dustproof cover, the reinforcing edge is arranged above the sealing inner buckle, when the dustproof cover is buckled with the shell, the part below the reinforcing edge of the dustproof cover is elastically deformed, and the upper half part is limited by the fixing ring so as not to be greatly deformed, so that the aging of the upper half part can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterproof structure field especially relates to a solution PCB shell high pressure washing waterproof structure. BACKGROUND

[0002] At present, motorcycles, electric vehicles are widely distributed, and various vehicle models all need to be configured with USB charging port, and the USB charging port shell is mostly made of plastic parts of various materials, in order to prevent water from entering the shell, a sealing sleeve is usually installed outside the shell to protect the shell, and the sealing sleeve is usually made of rubber material.

[0003] The rubber material itself has elastic deformation ability, which can be deformed by itself to fit the outer wall of the shell to realize waterproof sealing, but with the increase of use time, the elastic deformation ability of the rubber material will decrease, so the sealing of the shell connection cannot be guaranteed, the overall waterproof effect will be greatly reduced, and the overall device durability is poor, therefore, a solution PCB shell high pressure washing waterproof structure is proposed to solve the above problems. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a solution PCB shell high pressure washing waterproof structure, which aims at improving the problem of "rubber sealing sleeve in prior art will decrease in elastic deformation ability after being used for a period of time, so as to cause the overall waterproof effect to decrease and the overall device durability to be poor".

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a solution PCB shell high pressure washing waterproof structure, including the shell, the bottom end of the shell is sleeved with a fixed ring, the right end of the fixed ring is fixedly connected with a connecting band, the other end of the connecting band is fixedly connected with a reinforcing edge, the inner wall of the reinforcing edge is fixedly connected with a dust cover, the dust cover is sleeved at the top end of the shell, the outer wall of the dust cover is provided with a sealing assembly, the sealing assembly includes a fixed assembly and a closed assembly, the closed assembly includes a sealing table, the sealing table is fixedly connected on the upper surface of the shell, the inner wall of the dust cover is provided with a sealing inner buckle, the outer wall of the sealing table is provided in a stepped type, the sealing inner buckle is clamped in the groove part of the sealing table in a stepped type, the upper surface of the sealing inner buckle is lower than the lower surface of the reinforcing edge, the lower surface of the shell is provided with a positioning assembly.

[0006] As a further description of the above technical scheme:

[0007] The left end of the reinforcing edge is provided with a slot, the fixing assembly comprises a support plate, the front end of the support plate is fixedly connected to the front surface of the left end slot of the reinforcing edge, the top end of the support plate is hingedly connected with a fixed plate, the inner wall of the fixed plate is slidably connected with a sliding block, the rear end of the sliding block is fixedly connected with a clamping block, the rear surface of the left end slot of the reinforcing edge is fixedly connected with a buckle, and the clamping block and the buckle are mutually clamped.

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

[0009] The bottom end of the clamping block is provided with an inclined surface, and the rear end of the buckle is provided with a boss.

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

[0011] The front end of the sliding block is fixedly connected with a fixed spring, and the front end of the fixed spring is fixedly connected to the inner wall of the fixed plate.

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

[0013] The positioning assembly comprises a second positioning block, the top end of the second positioning block is fixedly connected to the lower surface of the shell near the left end, and the lower surface of the shell near the right end is fixedly connected with a first positioning block.

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

[0015] The bottom end of the fixing ring near the left end is provided with a second positioning groove, the bottom end of the fixing ring near the right end is provided with a first positioning groove, the second positioning groove is matched with the second positioning block, and the first positioning groove is matched with the first positioning block.

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

[0017] The first positioning block and the second positioning block are different in cross-sectional shape, and the cross-sectional width of the first positioning block is greater than that of the second positioning block.

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

[0019] The outer wall of the sealing table is fixedly connected with a plurality of sealing rings.

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

[0021] 1、In the utility model, the reinforcing edge is arranged above the sealing inner buckle, when the dust cover is buckled with the shell, the lower part of the reinforcing edge of the dust cover will elastically deform, the upper half part will be limited by the fixing ring and thus will not greatly deform, so that the aging of the upper half part is reduced, and the dust cover can be assisted to be attached to the shell in cooperation with the fixing assembly, and the overall device has good durability.

[0022] 2、The utility model discloses a positioning assembly is set up, and when installing the fixed ring, needs first alignment positioning assembly, can realize normal fixed installation only, so this can prevent the error installation caused by the installation personnel mistake, so this can avoid the water leakage problem caused by the error installation, and the whole device is better. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the three-dimensional structure schematic diagram of the whole device in the utility model;

[0024] Figure 2 It is the three-dimensional structure section split schematic diagram of dust cover, shell in the utility model;

[0025] Figure 3 It is the three-dimensional structure split schematic diagram of dust cover, shell in the utility model;

[0026] Figure 4 It is the three-dimensional structure section split schematic diagram of fixed assembly in the utility model.

[0027] LEGEND:

[0028] 1, dust cover;2, connecting band;3, fixed ring;4, shell;5, reinforcing edge;6, fixed assembly;61, support plate;62, fixed plate;63, sliding block;64, clamping block;65, buckle;66, fixed spring;7, sealing table;8, sealing inner buckle;9, positioning groove one;10, positioning groove two;11, positioning block one;12, positioning block two. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] WITH REFERENCE Figure 1 - Figure 3The utility model provides a kind of embodiment: a kind of solution PCB shell high-pressure washing waterproof structure, including the shell 4 for supporting overall device, the bottom end of shell 4 is sleeved with the fixed ring 3 for supporting connecting band 2, the right end of fixed ring 3 is fixedly connected with connecting band 2, the other end of connecting band 2 is fixedly connected with the reinforcing edge 5 for supporting dust cover 1, by using connecting band 2 to connect fixed ring 3 and reinforcing edge 5, it can prevent reinforcing edge 5 loss, the inner wall of reinforcing edge 5 is fixedly connected with dust cover 1 for covering shell 4, dust cover 1 is sleeved in the top end of shell 4, the outer wall of dust cover 1 is provided with the sealing assembly for guaranteeing that shell 4 is connected closely with dust cover 1, sealing assembly includes fixed component 6 and closed component, closed component includes sealing platform 7, sealing platform 7 is fixedly connected on the upper surface of shell 4, sealing platform 7 protrudes on the upper surface of shell 4, inside hollow, can be used to install corresponding USB equipment, the inner wall of dust cover 1 is provided with the sealing inner buckle 8 for fixed dust cover 1, the outer wall of sealing platform 7 is set as ladder type, sealing inner buckle 8 is clamped in the groove part of sealing platform 7 ladder type, by adopting ladder type design, it can guarantee that sealing platform 7 and the inner wall of dust cover 1 form multilateral contact, so it can increase the sealing property between the both, the upper surface of sealing inner buckle 8 is lower than the lower surface of reinforcing edge 5, the lower surface of shell 4 is provided with the positioning assembly for positioning fixed ring 3.

[0031] Refer to Figure 2 - Figure 4 The left end of reinforcing edge 5 is provided with a slot, reinforcing edge 5 and dust cover 1 are made of rubber material, have elastic deformation ability, and are relatively hard in texture, not easy to damage fixed component 6, which includes a support plate 61 for supporting a fixed plate 62, the front end of the support plate 61 is fixedly connected to the front surface of the left end slot of the reinforcing edge 5, the top end of the support plate 61 is hingedly connected with the fixed plate 62 for moving the sliding block 63, the inner wall of the fixed plate 62 is slidingly connected with the sliding block 63 for guiding the movement of the clamping block 64, the rear end of the sliding block 63 is fixedly connected with the clamping block 64, the movement of the clamping block 64 is guided by using the sliding block 63, which can ensure that the clamping block 64 can only move vertically forward and backward along the extension line of the inner wall of the fixed plate 62, the rear surface of the left end slot of the reinforcing edge 5 is fixedly connected with the buckle 65 for positioning the clamping block 64, the clamping block 64 and the buckle 65 are clamped with each other, the bottom end of the clamping block 64 is provided with an inclined surface, when the inclined surface is pressed, the clamping block 64 will be forced to move backward, the rear end of the buckle 65 is provided with a boss, which is triangular, when the clamping block 64 contacts the boss from top to bottom, it will be forced to move backward, the front end of the sliding block 63 is fixedly connected with the fixed spring 66 for pulling the sliding block 63, the front end of the fixed spring 66 is fixedly connected to the inner wall of the fixed plate 62, the fixed spring 66 will always pull the sliding block 63 forward.

[0032] Refer to Figure 1 - Figure 3The positioning assembly comprises positioning block two 12 for positioning the fixing ring 3, the top end of the positioning block two 12 is fixedly connected to the lower surface of the shell 4 near the left end, the lower surface of the shell 4 near the right end is fixedly connected with positioning block one 11 for cooperation with the positioning block two 12 to realize positioning, the bottom end of the fixing ring 3 near the left end is provided with a positioning groove two 10 for accommodating the positioning block two 12, the bottom end of the fixing ring 3 near the right end is provided with a positioning groove one 9 for accommodating the positioning block one 11, the positioning groove two 10 and the positioning block two 12 are matched, the positioning groove one 9 and the positioning block one 11 are matched, when installing the fixing ring 3, the positioning block one 11 and the positioning block two 12 need to be aligned with the positioning groove one 9 and the positioning groove two 10 respectively, so as to ensure correct installation, and the positioning block one 11 and the positioning block two 12 can also prevent the fixing ring 3 from rotating at will, the cross-sectional shape of the positioning block one 11 is different from that of the positioning block two 12, the cross-sectional width of the positioning block one 11 is greater than that of the positioning block two 12, if the correct alignment is failed during installation, one side will not be able to realize correct insertion, so as to prompt the operator that an error occurs during installation, and the outer wall of the sealing table 7 is fixedly connected with sealing rings and the number of sealing rings is multiple.

[0033] Working principle: when installing the overall device, the positioning block one 11 and the positioning block two 12 need to be aligned with the positioning groove one 9 and the positioning groove two 10 respectively, then the fixing ring 3 can be sleeved on the bottom end of the shell 4 from bottom to top, then the shell 4 can be installed at the USB interface of the electric vehicle or the motorcycle, since the installation of the shell 4 and the electric vehicle or the motorcycle is prior art, therefore, the present case will not be described in detail.

[0034] When the USB interface is not needed for charging operation, the reinforcing edge 5 can be rotated to drive the dust cover 1 to move to the top end of the shell 4, then the dust cover 1 can be sleeved on the top end of the shell 4, so as to drive the sealing inner buckle 8 to be clamped in the groove part of the sealing table 7, so as to fix the dust cover 1 on the outer wall of the sealing table 7, then the fixed plate 62 can be rotated to drive the clamping block 64 to extrude the clamping buckle 65, the clamping buckle 65 will generate a reaction force to extrude the clamping block 64 to force it to move backward, when the fixed plate 62 continues to move until the bottom end of the fixed plate 62 is attached to the top end of the clamping buckle 65, the fixed spring 66 will pull the sliding block 63 to drive it to move forward, the sliding block 63 will pull the clamping block 64 to make it clamped with the clamping buckle 65, by applying force to the missing slot of the reinforcing edge 5, the reinforcing edge 5 can be extruded, the reinforcing edge 5 will extrude the dust cover 1 to make the inner wall of the dust cover 1 further attached to the outer wall of the sealing table 7, and the sealing property between them is strengthened.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A high-pressure washing waterproof structure for solving the problem of PCB shell, comprising a shell (4), characterized in that: The bottom end of the shell (4) is sleeved with a fixing ring (3), the right end of the fixing ring (3) is fixedly connected with a connecting belt (2), the other end of the connecting belt (2) is fixedly connected with a reinforcing edge (5), the inner wall of the reinforcing edge (5) is fixedly connected with a dust cover (1), the dust cover (1) is sleeved at the top end of the shell (4), the outer wall of the dust cover (1) is provided with a sealing assembly, the sealing assembly comprises a fixing assembly (6) and a sealing assembly, the sealing assembly comprises a sealing table (7), the sealing table (7) is fixedly connected to the upper surface of the shell (4), the inner wall of the dust cover (1) is provided with a sealing inner buckle (8), the outer wall of the sealing table (7) is provided in a stepped type, the sealing inner buckle (8) is clamped in the groove part of the sealing table (7) in a stepped type, the upper surface of the sealing inner buckle (8) is lower than the lower surface of the reinforcing edge (5), and the lower surface of the shell (4) is provided with a positioning assembly.

2. The waterproof structure of a high-pressure washing solution for a PCB shell according to claim 1, characterized in that: The left end of the reinforcing edge (5) is provided with a slot, the fixing assembly (6) comprises a supporting plate (61), the front end of the supporting plate (61) is fixedly connected to the front surface of the left end slot of the reinforcing edge (5), the top end of the supporting plate (61) is hingedly connected with a fixed plate (62), the inner wall of the fixed plate (62) is slidably connected with a sliding block (63), the rear end of the sliding block (63) is fixedly connected with a clamping block (64), the rear surface of the left end slot of the reinforcing edge (5) is fixedly connected with a clamping buckle (65), and the clamping block (64) and the clamping buckle (65) are clamped with each other.

3. The waterproof structure of high-pressure washing for the PCB shell according to claim 2, characterized in that: The bottom end of the clamping block (64) is provided with an inclined surface, the rear end of the clamping buckle (65) is provided with a boss, and the boss is provided in a triangular shape.

4. The waterproof structure of high-pressure washing for the PCB shell according to claim 2, characterized in that: The front end of the sliding block (63) is fixedly connected with a fixed spring (66), and the front end of the fixed spring (66) is fixedly connected to the inner wall of the fixed plate (62).

5. The waterproof structure of a high-pressure washing solution for a PCB shell according to claim 1, characterized in that: The positioning assembly comprises a positioning block two (12), the top end of the positioning block two (12) is fixedly connected to the lower surface of the shell (4) near the left end position, and the lower surface of the shell (4) near the right end position is fixedly connected with a positioning block one (11).

6. The waterproof structure of a high-pressure washing solution for a PCB shell according to claim 1, characterized in that: The bottom end of the fixing ring (3) is provided with a positioning groove two (10) near the left end position, and the bottom end of the fixing ring (3) is provided with a positioning groove one (9) near the right end position, the positioning groove two (10) and the positioning block two (12) are matched, and the positioning groove one (9) and the positioning block one (11) are matched.

7. The waterproof structure of high-pressure washing for the PCB shell according to claim 6, characterized in that: The cross-sectional shape of the positioning block one (11) is different from that of the positioning block two (12), and the cross-sectional width of the positioning block one (11) is greater than that of the positioning block two (12).

8. The waterproof structure of a high-pressure washing solution for a PCB shell according to claim 1, characterized in that: The outer wall of the sealing table (7) is fixedly connected with a plurality of sealing rings.

Images