Waterproof structure for electronic product interface
By introducing a waterproof structure consisting of a hard shell layer, a soft rubber layer, an extrusion assembly, and a drive assembly into the electronic product interface, the problem of poor sealing between the soft rubber layer and the mounting groove is solved, achieving better waterproofing and preventing water from entering the wiring hole.
Patent Information
- Application Number
- CN202423101602.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In existing technologies, the sealing effect between the soft adhesive layer of electronic product interfaces and the mounting groove is poor, resulting in poor waterproofing and easy leakage.
The waterproof structure includes a hard shell layer, a soft rubber layer, an extrusion assembly, and a drive assembly. The extrusion assembly improves the tightness between the soft rubber layer and the mounting groove, and the second extrusion block and the sealing ring expand the sealing ring to seal the wiring hole, thereby enhancing the waterproof effect.
It improves the tightness between the soft rubber layer and the mounting groove, avoids unevenness on the sealing surface, enhances the waterproof performance of electronic product interfaces, and prevents water from entering the wiring holes and causing damage.
Smart Images

Figure CN223566973U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic product waterproof technical field especially, relate to a waterproof structure for electronic product interface. BACKGROUND
[0002] Electronic product has become the indispensable article in people's daily life, in the process of using, will inevitably inadvertently get water, cause a series of unavoidable trouble. Therefore, the electronic product with waterproof function emerges as the times require, and the sales market of the present this kind of electronic product is increasing, and the requirement of waterproof reliability and waterproof grade is also increasing.
[0003] Through the search, the waterproof structure for electronic product interface of public no. CN220857035U discloses a waterproof structure for electronic product interface, including casing and waterproof plug, the casing is recessed with the installation groove for installing waterproof plug, the waterproof plug is built in the installation groove and is connected with the installation groove interference fit, the waterproof plug is equipped with a connecting column for preventing it from falling off in the installation groove, the installation groove is provided with the through hole for the end of connecting column to pass through, the casing is installed with the waterproof plug that is connected with the end of connecting column, one side of connecting column passes through the through hole and is installed with the snap spring for preventing it from falling off in the through hole. The utility model discloses the connecting column is arranged on the waterproof plug, and the end of connecting column passes through the casing, and the snap spring is connected with the waterproof plug, to ensure that the waterproof plug is not easily pulled out, thereby improve the waterproof performance of the waterproof structure for electronic product interface.
[0004] When the technical scheme is used, the deformation of the soft rubber layer extrusion seals the installation groove, and the installation groove is irregular in shape, so that the sealing surface is uneven or changes in size during sealing, which causes the soft rubber layer and the installation groove to not fit well, and the sealing surface is prone to uneven and leaks, affecting the waterproof effect.
[0005] Therefore, we propose a waterproof structure for electronic product interface. UTILITY MODEL CONTENTS
[0006] The utility model mainly solves the technical problem of the poor sealing effect of the soft rubber layer and the installation groove in the prior art, and provides a waterproof structure for electronic product interface.
[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme, a waterproof structure for electronic product interface, comprising:
[0008] The shell is provided with a mounting groove on one side outer wall for mounting, a buckle groove is arranged on the top of the mounting groove for taking off, a through hole is arranged on the bottom of the mounting groove for plugging, and a wiring hole is arranged in the mounting groove for external equipment;
[0009] The waterproof assembly is movably connected to the position in the mounting groove, the waterproof assembly comprises a hard shell layer and a soft rubber layer, the soft rubber layer is fixedly connected to one side outer wall of the hard shell layer, a fixing groove is arranged in the through hole, a waterproof plug is arranged in the fixing groove, a sealing ring is sleeved on the outer wall of the waterproof plug for sealing, a connecting column is arranged on the bottom of the hard shell layer and matched with the plugging hole and the through hole, and a clamping spring is arranged on one side of the waterproof plug and matched with the inner wall of the fixing groove;
[0010] The extrusion assembly is arranged on the inner wall of the hard shell layer for extruding the inner wall of the soft rubber layer, and the extrusion assembly comprises an adjusting rod, an extrusion plate, a fixing box and a connecting plate.
[0011] The driving assembly is arranged in the fixing box for driving the connecting plate to move, and the driving assembly comprises an extrusion disc, a connecting rod, a first extrusion block and a first pressure receiving block.
[0012] Further, a plurality of limiting sliding grooves are arranged on one side outer wall of the hard shell layer, a limiting sliding block is slidably connected to the inner wall of the limiting sliding groove, the adjusting rod is fixedly connected to one side outer wall of the limiting sliding block, the extrusion plate is arranged on the end of the adjusting rod close to the inner wall of the soft rubber layer, and a plurality of extrusion plates are annularly matched with the inner wall of the soft rubber layer.
[0013] Further, the fixing box is fixedly connected to the middle position of the outer wall of the hard shell layer, a plurality of sliding grooves are arranged in the fixing box, the connecting plate is slidably connected to the inner wall of the sliding groove, one end of the connecting plate is fixedly connected to the end wall of the adjusting rod, and the first pressure receiving block is fixedly connected to the other end position of the connecting plate.
[0014] Further, a first sliding hole is arranged on the axial position of the inner wall of the fixing box, the connecting rod is slidably connected to the inner wall of the first sliding hole, and the extrusion disc is fixedly connected to the end of the connecting rod away from the hard shell layer.
[0015] Further, a first extrusion block is fixedly connected to the other end axial position of the connecting rod, the first extrusion block is in the shape of a circular truncated cone and matched with the wall surface of the first pressure receiving block, and a first return spring is arranged on the wall surface of the first extrusion block opposite to the hard shell layer.
[0016] Further, a through hole is arranged in the connecting rod, a fixing rod is arranged in the through hole, one end of the fixing rod is fixedly connected to the outer wall of the hard shell layer, a connecting groove is arranged on one end of the extrusion disc, a second extrusion block is arranged in the connecting groove, the second extrusion block is in the shape of a circular truncated cone, and the other end of the fixing rod is fixedly connected to the wall surface of the second extrusion block.
[0017] Further, a plurality of second sliding holes arranged in a circle are formed in the connecting groove of the extruding disc, a sliding rod is slidably connected to the inner wall of the second sliding hole, and a second return spring is arranged on the opposite wall surface of the sliding rod and the second sliding hole.
[0018] Further, the second pressure bearing block is fixedly connected to one end of the sliding rod close to the second extruding block, the second pressure bearing block is attached to the outer wall of the second extruding block at one end close to the second extruding block, and the same sealing ring is fixedly connected to the second pressure bearing block at one end away from the extruding disc and is sleeved on the outer wall of the second extruding block.
[0019] Advantages
[0020] The utility model provides a waterproof structure for electronic product interface. Have following advantages:
[0021] (1) the waterproof structure for electronic product interface, through setting up extruding subassembly and drive component, can improve the compactness of the contact between soft glue layer and installation groove, avoid because the shape of installation groove is irregular, lead to soft glue layer cannot very good adhere in the inner wall of installation groove, the phenomenon that the sealing surface place is easy to produce concave-convex, in turn produce leakage, influence its waterproof effect.
[0022] (2) the waterproof structure for electronic product interface, through setting up second extruding block and sealing ring, through the expansion of second extruding block to sealing ring under extrusion, drive sealing ring to connect wire hole seal, avoid water to enter connect wire hole to cause damage to electronic product, improve its waterproof effect, and improve the resistance between both, avoid hard shell layer from installation groove under the elasticity of first return spring and second return spring and fall off. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is the front view of the utility model;
[0024] Figure 2 It is the detail view of the waterproof assembly of the utility model;
[0025] Figure 3 It is the section view of the waterproof assembly of the utility model;
[0026] Figure 4 It is the section view of the extruding subassembly of the utility model;
[0027] Figure 5 It is the section view of the extruding disc of the utility model;
[0028] Figure 6 It is the explosion view of the extruding disc of the utility model.
[0029] Illustration: 1, shell; 2, mounting groove; 3, hard shell layer; 4, soft glue layer; 5, circlip; 6, sealing ring; 7, waterproof plug; 8, connecting column; 9, adjusting rod; 10, extrusion plate; 11, extrusion disc; 12, fixed box; 13, limiting sliding block; 14, connecting rod; 15, first extrusion block; 16, first pressure block; 17, connecting plate; 18, first return spring; 19, second extrusion block; 20, sealing ring; 21, sliding rod; 22, second return spring; 23, second pressure block; 24, fixed rod. DETAILED DESCRIPTION
[0030] Embodiment one: a waterproof structure for electronic product interface, as shown in Figure 1 , Figure 2 and Figure 4 , comprising
[0031] a shell 1, a mounting groove 2 is arranged on one side of the outer wall of the shell 1 for mounting, a buckle groove for removal is arranged at the top of the mounting groove 2, a through hole for plugging is arranged at the bottom of the mounting groove 2, and a wiring hole for external equipment is arranged in the mounting groove 2;
[0032] a waterproof assembly, which is movably connected to a position in the mounting groove 2, and which comprises a hard shell layer 3 and a soft glue layer 4, the soft glue layer 4 is fixedly connected to one side of the outer wall of the hard shell layer 3, a fixing groove is arranged in the through hole, a waterproof plug 7 is arranged in the fixing groove, a sealing ring 6 for sealing is sleeved on the outer wall of the waterproof plug 7, and a plugging hole is formed on the waterproof plug 7 and located on the same axis as the through hole, a connecting column 8 adapted to the plugging hole and the through hole is arranged at the bottom of the hard shell layer 3, and a circlip 5 is arranged on one side of the waterproof plug 7 and abuts against the inner wall of the fixing groove;
[0033] the connecting column 8 on the hard shell layer 3 is inserted into the plugging hole in the waterproof plug 7 through the through hole and the circlip 5, and the hard shell layer 3 is arranged at the mounting groove 2.
[0034] an extrusion assembly, which is arranged on the inner wall of the hard shell layer 3 for extruding the inner wall of the soft glue layer 4, and which comprises an adjusting rod 9, an extrusion plate 10, a fixed box 12 and a connecting plate 17;
[0035] a driving assembly, which is arranged in the fixed box 12 for driving the connecting plate 17 to move, and which comprises an extrusion disc 11, a connecting rod 14, a first extrusion block 15 and a first pressure block 16.
[0036] when it is needed to block the mounting groove 2 with the hard shell layer 3, the hard shell layer 3 is extruded into the mounting groove 2 through the soft glue layer 4, and the mounting groove 2 is blocked and waterproofed through the deformation of the soft glue layer 4.
[0037] as shown in Figure 3As shown, the hard shell layer 3 side outer wall is provided with a plurality of limiting sliding grooves, the limiting sliding groove inner wall is slidably connected with a limiting sliding block 13, the adjusting rod 9 is fixedly connected to the limiting sliding block 13 side outer wall, the extrusion plate 10 is arranged on the adjusting rod 9 near the soft rubber layer 4 inner wall end, a plurality of extrusion plates 10 are annularly attached to the soft rubber layer 4 inner wall, the extrusion plates 10 located at the four vertices are L-shaped, and the adjusting rod 9 on the vertex extrusion plate 10 is provided with an expansion plate, and the expansion plate and the extrusion plate 10 are arranged at an angle, and the two sides are provided with contact points.
[0038] As shown in the figure, Figure 4 The fixed box 12 is fixedly connected to the middle position of the outer wall of the hard shell layer 3, the fixed box 12 is located in the same axial position as the wiring hole, a plurality of sliding grooves are formed in the fixed box 12, and the connecting plate 17 is slidably connected to the inner wall of the sliding groove. One end of the connecting plate 17 is fixedly connected to one end wall of the adjusting rod 9, and the first pressure block 16 is fixedly connected to the other end position of the connecting plate 17. The first pressure block 16 is arc-shaped near the axial end of the fixed box 12.
[0039] The inner wall of the fixed box 12 is provided with a first sliding hole in the axial position, and the connecting rod 14 is slidably connected to the inner wall of the first sliding hole. The connecting rod 14 is fixedly connected with the extrusion disc 11 at the axial position away from the hard shell layer 3, and the radius of the extrusion disc 11 is greater than the radius of the wiring hole.
[0040] The other end of the connecting rod 14 is fixedly connected with the first extrusion block 15 in the axial position, the first extrusion block 15 is in the shape of a circular truncated cone and is attached to the wall surface of the first pressure block 16, and the wall surface of the first extrusion block 15 opposite to the hard shell layer 3 is provided with a first reset spring 18.
[0041] When the soft rubber layer 4 on the hard shell layer 3 seals the mounting groove 2, the first reset spring 18 is extruded by the connecting rod 14 and the first extrusion block 15 through the extrusion of the extrusion disc 11 on the inner wall of the mounting groove 2 at this time. The first reset spring 18 is contracted by extrusion, which can drive the first extrusion block 15, the connecting rod 14 and the extrusion disc 11 to move towards the side close to the fixed box 12. The first extrusion block 15 moves to drive the connecting plate 17 and the adjusting rod 9 to move by extruding the first pressure block 16. The limiting sliding block 13 on the adjusting rod 9 is slidably connected to the inner wall of the limiting sliding groove, which can limit the movement of the adjusting rod 9. Then the adjusting rod 9 moves along the direction of the limiting sliding groove and drives the extrusion plate 10 to move synchronously to extrude the soft rubber layer 4. The extrusion plate 10 extrudes the inner wall of the soft rubber layer 4, and the extrusion of the inner wall of the soft rubber layer 4 by the plurality of extrusion plates 10 improves the tightness of the contact between the soft rubber layer 4 and the inner wall of the mounting groove 2.
[0042] Through the setting of the extrusion assembly and the driving assembly, the tightness of the contact between the soft rubber layer 4 and the mounting groove 2 can be improved, and the phenomenon that the soft rubber layer 4 cannot be well attached to the inner wall of the mounting groove 2 due to the irregular shape of the mounting groove 2 and the unevenness at the sealing surface can be avoided, thereby preventing leakage and affecting the waterproof effect.
[0043] Example Two: Based on example one, referring to Figure 4 、 Figure 5 and Figure 6 , a through hole is arranged in the connecting rod 14, the through hole penetrates the first extrusion block 15 and one end of the extrusion disc 11 respectively, a fixed rod 24 is arranged in the through hole, one end of the fixed rod 24 is fixedly connected to the outer wall of the hard shell layer 3, one end of the extrusion disc 11 is provided with a connecting groove, a second extrusion block 19 is arranged in the connecting groove, the second extrusion block 19 is in the shape of a circular truncated cone, the radius of the second extrusion block 19 away from one end of the extrusion disc 11 is smaller than the radius of the second extrusion block 19 close to one end of the extrusion disc 11, and the other end of the fixed rod 24 is fixedly connected to the wall surface of the second extrusion block 19.
[0044] A plurality of second sliding holes arranged in a circle are arranged in the connecting groove on the extrusion disc 11, a sliding rod 21 is slidably connected to the inner wall of the second sliding hole, and a second return spring 22 is arranged on the wall surface opposite to the second sliding hole of the sliding rod 21.
[0045] The second pressure block 23 is fixedly connected to one end of the sliding rod 21 close to the second extrusion block 19, one end of the second pressure block 23 close to the second extrusion block 19 is in an inclined shape and is attached to the outer wall of the second extrusion block 19, and the same sealing ring 20 is fixedly connected to the other end of the second pressure block 23 away from the extrusion disc 11, and the sealing ring 20 is sleeved on the outer wall of the second extrusion block 19.
[0046] When the hard shell layer 3 is sealed, the second extrusion block 19 and the sealing ring 20 can be inserted into the wiring hole in the mounting groove 2 at this time, and when the extrusion disc 11 is moved under extrusion, the sealing ring 20 can be moved synchronously through the sliding rod 21 and the second pressure block 23, since the second extrusion block 19 is fixedly connected to the hard shell layer 3 through the fixed rod 24, a relative position is generated between the sealing ring 20 and the second extrusion block 19, the sealing ring 20 can expand along with the change between the second extrusion block 19, and the sliding rod 21 can be moved into the second sliding hole through the second pressure block 23, so as to drive the sealing ring 20 to expand and attach to the sealing of the wiring hole, and the sealing effect can be improved through the extrusion of the second extrusion block 19.
[0047] Through the second extrusion block 19 and the sealing ring 20, the sealing ring 20 is expanded under the extrusion of the second extrusion block 19, and the sealing ring 20 is sealed to the wiring hole, so that water cannot enter the wiring hole to damage the electronic product, the waterproof effect is improved, and the resistance between the two is improved, so that the hard shell layer 3 cannot be separated from the mounting groove 2 under the elastic force of the first reset spring 18 and the second reset spring 22.
[0048] The working principle of the utility model is: when sealing is needed, the hard shell layer 3 is extruded into the mounting groove 2 through the soft rubber layer 4, the mounting groove 2 is blocked through the deformation of the soft rubber layer 4, and the waterproof effect is achieved; at the same time, the extrusion of the mounting groove 2 on the extrusion disc 11 can extrude the first reset spring 18 through the connecting rod 14 and the first extrusion block 15, the first reset spring 18 is extruded and shrunk, and the first extrusion block 15, the connecting rod 14 and the extrusion disc 11 are driven to move towards the fixed box 12 side, the first extrusion block 15 is moved, the connecting plate 17 and the adjusting rod 9 are driven to move through the extrusion of the first pressure block 16, the adjusting rod 9 and the extrusion plate 10 are synchronously moved to extrude the soft rubber layer 4, and the contact tightness between the soft rubber layer 4 and the inner wall of the mounting groove 2 is improved through the extrusion of the multiple extrusion plates 10 on the inner wall of the soft rubber layer 4.
[0049] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A waterproof structure for electronic product interfaces, characterized in that: include: The housing (1) has an installation groove (2) on one side of the outer wall for installation. The top of the installation groove (2) has a buckle groove for removal. The bottom of the installation groove (2) has a through hole for insertion. The installation groove (2) has a wiring hole for connecting external devices. The waterproof component is movably connected in the mounting groove (2). The waterproof component includes a hard shell layer (3) and a soft rubber layer (4). The soft rubber layer (4) is fixedly connected to the outer wall of one side of the hard shell layer (3). A fixing groove is provided in the perforation. A waterproof plug (7) is provided in the fixing groove. A sealing ring (6) for sealing is fitted on the outer wall of the waterproof plug (7). A connecting post (8) adapted to the insertion hole and the perforation is provided at the bottom of the hard shell layer (3). A retaining ring (5) is provided on one side of the waterproof plug (7) and fits against the inner wall of the fixing groove. The extrusion assembly is disposed on the inner wall of the hard shell layer (3) for extruding the inner wall of the soft rubber layer (4). The extrusion assembly includes an adjusting rod (9), an extrusion plate (10), a fixing box (12) and a connecting plate (17). The drive assembly is located in the fixed box (12) and is used to drive the connecting plate (17) to move. The drive assembly includes an extrusion plate (11), a connecting rod (14), a first extrusion block (15) and a first pressure block (16).
2. The waterproof structure for electronic product interfaces according to claim 1, characterized in that: Multiple limiting grooves are provided on one side of the outer wall of the hard shell layer (3). A limiting slider (13) is slidably connected to the inner wall of the limiting groove. An adjusting rod (9) is fixedly connected to the outer wall of one side of the limiting slider (13). An extrusion plate (10) is set at one end of the adjusting rod (9) near the inner wall of the soft rubber layer (4). Multiple extrusion plates (10) are attached to the inner wall of the soft rubber layer (4) in a ring.
3. The waterproof structure for electronic product interfaces according to claim 1, characterized in that: The fixing box (12) is fixedly connected to the middle position of the outer wall of the hard shell layer (3). Multiple sliding grooves are opened in the fixing box (12). The connecting plate (17) is slidably connected to the inner wall of the sliding groove. One end of the connecting plate (17) is fixedly connected to the wall of one end of the adjusting rod (9). The first pressure block (16) is fixedly connected to the other end of the connecting plate (17).
4. The waterproof structure for electronic product interfaces according to claim 3, characterized in that: The inner wall of the fixed box (12) is provided with a first sliding hole at an axial position. The connecting rod (14) is slidably connected to the inner wall of the first sliding hole. The end of the connecting rod (14) away from the hard shell layer (3) is fixedly connected to the extrusion plate (11) at an axial position.
5. The waterproof structure for electronic product interfaces according to claim 4, characterized in that: The other end of the connecting rod (14) is axially fixedly connected to a first pressing block (15). The first pressing block (15) is frustoconical and fits against the wall of the first pressure block (16). A first return spring (18) is provided on the wall of the first pressing block (15) opposite to the hard shell layer (3).
6. The waterproof structure for electronic product interfaces according to claim 4, characterized in that: The connecting rod (14) has a through hole, and a fixing rod (24) is installed in the through hole. One end of the fixing rod (24) is fixedly connected to the outer wall of the hard shell layer (3). One end of the extrusion plate (11) has a connecting groove, and a second extrusion block (19) is installed in the connecting groove. The second extrusion block (19) is frustum-shaped, and the other end of the fixing rod (24) is fixedly connected to the wall of the second extrusion block (19).
7. The waterproof structure for electronic product interfaces according to claim 1, characterized in that: The extrusion plate (11) has a plurality of second sliding holes arranged in a circular pattern in the connecting groove. A sliding rod (21) is slidably connected to the inner wall of the second sliding hole. A second return spring (22) is provided on the sliding rod (21) and the wall opposite to the second sliding hole.
8. The waterproof structure for electronic product interfaces according to claim 7, characterized in that: The sliding rod (21) is fixedly connected to a second pressure block (23) at one end near the second extrusion block (19). The second pressure block (23) is in contact with the outer wall of the second extrusion block (19) at one end near the second extrusion block (19). The same sealing ring (20) is fixedly connected to the end of the second pressure block (23) away from the extrusion plate (11). The sealing ring (20) is sleeved on the outer wall of the second extrusion block (19).
Citation Information
Patent Citations
Waterproof structure for electronic product interface
CN220857035U