CN210431741U

CN210431741U - Waterproof and dustproof device and outdoor sound box

Info

Publication number: CN210431741U
Application number: CN201921782264.1U
Authority: CN
Inventors: 邓桂生; 王丽
Original assignee: Shenzhen Horn Audio Co Ltd
Current assignee: Shenzhen Horn Audio Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-04-28
Anticipated expiration: 2029-10-22

Abstract

The utility model belongs to the technical field of the sound equipment, especially, relate to a waterproof dust keeper and outdoor stereo set. Waterproof dust keeper includes: the side plate structure is provided with a port; a sealing structure made of a flexible material; the shell structure is connected with the sealing structure and the side plate structure, the shell structure can be switched between a sealing state and a using state, the shell structure elastically abuts against the side plate structure in the sealing state and enables the sealing structure to cover the port, and the port is opened in the using state. The buckle structure is connected to the shell structure and has a buckle state and a trip state, the buckle structure can enter the buckle state when the shell structure is in a sealing state, the buckle structure is in buckle fit with the side plate structure when in the buckle state, and the buckle fit with the side plate structure is removed when in the trip state. The utility model discloses can make shell structure and curb plate structure remain stable and be connected to waterproof dust keeper protection's reliability has been improved.

Description

Waterproof and dustproof device and outdoor sound box

Technical Field

The utility model belongs to the technical field of the sound equipment, especially, relate to a waterproof dust keeper and outdoor stereo set.

Background

At present, with the improvement of living standard of people, sound scenes are increasingly used outdoors, the greatest difference between outdoor sound and indoor sound is that outdoor environment is worse, for example, moisture, rainwater, dust and other extremely fragile products are involved in outdoor use, the number of sound product ports is more (for example, a DC port, a USB port and the like), and water and dust are extremely easy to enter from the ports, so that a mainboard is short-circuited to damage products.

In the design of electronic products, the waterproof and dustproof performance of the ports is a great problem which troubles engineering personnel. The port waterproof mode is also a confetti eight-door mode, and the mode is provided with a silica gel waterproof cover, and the mode of secondary molding soft and hard glue combination and the like. However, the most serious problems of these methods are that the reliability of use is not good, for example, the connecting arm is easily broken when the connecting arm is opened, or the prepressing value becomes small due to too many times of extrusion and the soft rubber shrinks, and the product is damaged due to untight sealing caused by aging of the soft rubber.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof dust keeper aims at solving and how effectively to realize carrying out waterproof dirt-proof problem to stereo set product port.

The utility model provides a waterproof dust keeper, include:

the side plate structure is provided with a port;

a sealing structure made of a flexible material;

a housing structure connected to the sealing structure and to the side plate structure, the housing structure being switchable between a sealing state and a use state, the housing structure elastically abutting the sealing structure against the side plate structure in the sealing state and causing the sealing structure to cover the port, and opening the port in the use state; and

the buckle structure is connected with the shell structure and has a buckle state and a release state, the buckle structure can enter the buckle state when the shell structure is in the sealing state, the buckle structure is in buckle fit with the side plate structure when in the buckle state, and the buckle fit with the side plate structure is released when in the release state.

The technical effects of the utility model are that: switch between buckle state and dropout state through buckle structure to make shell structure compress tightly seal structure towards the port and get into encapsulated situation, or drive seal structure and open the port and make shell structure get into the user state, thereby realize the waterproof and dustproof purpose of port department. The buckle structure can make shell structure and curb plate structure remain stable and be connected to improve the reliability of waterproof dust keeper protection, avoided the ageing and use number of times of flexible glue too much and take place the phenomenon of shrink.

Drawings

Fig. 1 is a three-dimensional structure diagram of a waterproof and dustproof device provided in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the water and dust resistant device of FIG. 1;

FIG. 3 is an exploded view of the waterproof and dustproof device of FIG. 1 as viewed from above;

fig. 4 is an exploded view of the waterproof and dustproof device of fig. 1, as viewed from below;

fig. 5 is a three-dimensional structure view of the outdoor sound box according to the embodiment of the present invention, wherein the fastening member is in a fastening state;

fig. 6 is a perspective view of the outdoor sound of fig. 5 with the latch in a released state;

fig. 7 is a partial enlarged view at a of fig. 6;

fig. 8 is a perspective view of the case of fig. 5.

The correspondence between reference numbers and names in the drawings is as follows:

100. a waterproof and dustproof device; 10. a housing structure; 11. a housing body; 12. a hinge portion; 13. a bottom case; 20. a buckle structure; 50. a toggle button is pushed; 21. a fastener; 22. a second gear; 30. an elastic member; 31. a base; 32. a spring arm; 33. a first gear; 34. an avoidance interval; 113. a through hole; 114. a poking groove; 111. an upper housing; 112. a gland; 51. a sealing structure; 15. an accommodating cavity; 200. outdoor sound equipment; 101. a box body; 16. a placement cavity; 102. a port; 103. water-proof bone position; 161. buckling grooves;

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "vertical", "parallel", "bottom", "angle", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship.

Referring to fig. 1, fig. 2 and fig. 7, an embodiment of the present invention provides a waterproof and dustproof device 100 for protecting a port 102 opened on a side plate structure from water and dust. The waterproof and dustproof device 100 includes: a side plate structure, a sealing structure 51, a housing structure 10 and a snap structure 20. The seal structure 51 is a plate-like structure and is made of a flexible and sealing material and covers the port 102. Alternatively, the sealing structure 51 is an EVA mat made of a waterproof and dustproof EVA material. The housing structure 10 is connected to the sealing structure 51 and also connected to the side plate structure, and specifically, the sealing structure 51 can be rotated together by the housing structure 10. The housing structure 10 can be switched between a sealed state and a use state, the housing structure 10 elastically abuts the sealing structure 51 against the side plate structure in the sealed state and causes the sealing structure 51 to cover the port 102, and the housing structure 10 opens the port 102 in the use state so that other electronic devices can be plugged into the port 102. The buckle structure 20 is connected to the housing structure 10 and has a buckle state and a release state, the buckle structure 20 can enter the buckle state when the housing structure 10 is in the sealing state, the buckle structure 20 is in a buckle fit with the side plate structure when in the buckle state, and the buckle structure 20 is released from the buckle fit with the side plate structure when in the release state.

The snap structure 20 is switched between the snap state and the release state, so that the housing structure 10 presses the sealing structure 51 toward the port 102 to enter the sealing state, or the sealing structure 51 is driven to open the port 102 to enable the housing structure 10 to enter the use state, thereby achieving the waterproof and dustproof purposes at the port 102. The buckle structure 20 can keep the housing structure 10 stably connected with the side plate structure, thereby improving the protection reliability of the waterproof and dustproof device 100 and avoiding the phenomena of shrinkage caused by aging of soft rubber and excessive use times.

Optionally, the side plate structure includes a first side plate provided with the port 102 and a second side plate forming a preset included angle with the first side plate, and the second side plate is provided with a fastening groove 161. The housing structure 10 is connected to the first side plate and has an accommodating cavity 15. The snap structure 20 is used to detachably connect the housing structure 10 to the second side plate. The housing structure 10 further defines a through hole 113 communicating with the accommodating cavity 15, and the fastening structure 20 includes a fastening member 21 slidably disposed in the accommodating cavity 15. When the snap structure is in the snap state, one end of the snap member 21 slides out of the receiving cavity 15 from the through hole 113 and snaps into the snap groove 161, the housing structure 10 enters the sealing state and presses the sealing structure 51 toward the port 102, so that the sealing structure 51 covers the port 102 and prevents liquid and dust from entering the port 102. When the locking structure 20 is in the release state, the locking member 21 retracts into the accommodating cavity 15, and the housing structure 10 is switched from the sealing state to the use state, so that the sealing structure 51 opens the port 102, and other electronic devices can be conveniently plugged into the port 102. Optionally, the clasp 21 is of sheet-like construction and made of 304 stainless steel to ensure strength and reliability.

Referring to fig. 3 to 4, in an embodiment, the fastening structure 20 further includes two elastic members 30 having elastic restoring force and abutting against the fastening member 21, and the two elastic members 30 clamp the fastening member 21 oppositely. Specifically, the two elastic members 30 elastically clamp the fastening member 21, so that the fastening member 21 slides in a damping manner, which is beneficial to keeping the fastening member 21 sliding stably, and after the fastening member slides in place, the preset state can be kept.

In one embodiment, at least one of the elastic members 30 abuts against the locking member 21 and has a first rack, and the locking member 21 has a second rack engaged with the first rack. Optionally, the two elastic members 30 have a first rack, and the position where the fastening member 21 abuts against each elastic member 30 has a second rack. It can be understood that, when the latch 21 is switched between the latching state and the releasing state, the elastic member 30 is deformed accordingly, so that the latch 21 can slide between the two elastic members 30. After the buckling piece 21 slides to the right position, the two elastic arms 32 elastically clamp the buckling piece 21 through the meshing of the first rack and the corresponding second rack, and the buckling piece 21 is kept in a buckling state or a releasing state.

When the locking member 21 is subjected to an external force in the sliding direction to slide upwards or downwards, the first rack on the elastic arm 32 is deformed, and after the locking member 21 moves to the next rack, a mechanism movement is completed, so as to realize locking or releasing.

In one embodiment, each elastic member 30 includes a base 31 connected to the inner wall of the accommodating cavity 15 and an elastic arm 32 connected to the base 31, and each elastic arm 32 abuts against the fastener 21. It is understood that the elastic arm 32 has an elastic restoring force, and the first rack is opened to the elastic arm 32. Alternatively, the base 31 may be screwed to the inner wall of the receiving cavity 15 by a screw member.

Further, the elastic arm 32 is made of a Please craft PP material, and the elastic arm 32 made of the PP material can be elastically deformed repeatedly, so that the service life of the elastic arm 32 can be prolonged.

Referring to fig. 1 to 4, in an embodiment, two ends of each elastic arm 32 are connected to the corresponding base 31, an avoiding region 34 for the elastic arm 32 to elastically deform is disposed between the elastic arm 32 and the corresponding base 31, and a side surface of the elastic arm 32 along a length direction abuts against the fastener 21. The first rack is arranged along the length of the corresponding elastic arm 32. Optionally, when the fastening member 21 is switched between the fastening state and the releasing state, the elastic arm 32 retracts toward the avoiding section 34, so that the fastening member 21 can slide smoothly, and after the fastening member slides in place, the elastic arm 32 returns to the original state, and meanwhile, the first rack is engaged with the corresponding second rack to fix the fastening member 21 which slides in place.

In one embodiment, the two resilient members 30 are integrally formed. Specifically, the two elastic members 30 may be integrally formed through an injection molding process.

In one embodiment, the shell structure 10 includes a shell body 11 defining a receiving cavity 15, a bottom shell 13 connected to the first side plate, and a hinge portion 12, wherein the hinge portion 12 is used for connecting the shell body 11 and the bottom shell 13, so as to enable the shell body 11 to rotate relative to the bottom shell 13. Optionally, the housing body 11 includes an upper housing 111 and a gland 112, the upper housing 111 and the gland 112 surround to form the accommodating chamber 15, and the sealing structure 51 is connected to the gland 112. Further, the gland 112 is made of 304 stainless steel to ensure strength and reliability. Furthermore, the pressing shell made by the sheet metal process can fix the elastic part 30 and the fastener 21 in the accommodating cavity 15, so that the overall strength of the waterproof and dustproof device 100 can be ensured, the enclosed accommodating cavity 15 is formed between the pressing cover 112 and the upper shell 111, and dust and the like can be prevented from entering the accommodating cavity 15, so that the sliding effect of the fastener 21 is influenced, and the sliding reliability is ensured. Alternatively, the sealing structure 51 may be adhered to the back surface of the gland 112 by 3M glue.

Alternatively, the upper case 111, the bottom case 13 and the hinge portion 12 are integrally formed of PP material through an injection molding process. Wherein bottom case 13 may be locked to case 101 by screws disposed inside case 101. Because the hinge portion of upset is as an organic whole with shell body 11 and drain pan 13, has ensured the reliability of upset, and the lock attaches on drain pan 13 simultaneously adopts the mode of locking the screw from inside to outside to fix, has ensured the aesthetic property after waterproof and dustproof device 100 installs, also ensures that waterproof and dustproof device 100's size accomplishes the minimizing to can use in more scenes.

In an embodiment, the waterproof and dustproof device 100 further includes a toggle button 50, the housing body 11 further has a toggle groove 114 communicating with the accommodating cavity 15, and one end of the toggle button 50 is connected to the locking element 21 through the toggle groove 114 and drives the locking element 21 to switch between the locking state and the releasing state under the driving of an external force. The shifting knob 50 is manually driven to slide, so that the opening or locking of the port 102 is not operated by a strong force, and the waterproof and dustproof device 100 is effectively prevented from being broken by the strong force. Alternatively, the toggle 50 and the latch 21 may be connected by a screw.

The utility model provides a waterproof dust keeper 100 has intensity well, opens convenient and use characteristics such as reliable, pleasing to the eye, and can effectively carry out dustproof and waterproof protection to port 102.

Please refer to fig. 5 to 7, the present invention further provides an outdoor sound box 200, wherein the outdoor sound box 200 includes a waterproof and dustproof device 100, the specific structure of the waterproof and dustproof device 100 refers to the above embodiments, and the outdoor sound box 200 adopts all technical solutions of all the above embodiments, so that the outdoor sound box has all the beneficial effects brought by the technical solutions of the above embodiments, and the description is omitted here.

In one embodiment, the outdoor sound box 200 further includes a box body 101 and a PCBA disposed in the box body 101, the box body 101 is provided with a placement cavity 16 having an open structure, a fastening groove 161 is formed on a cavity wall of the placement cavity 16, a port 102 is further disposed at a cavity bottom of the placement cavity 16, and other electronic devices can be connected to the PCBA by plugging the port 102. It will be appreciated that the first side plate is located at the bottom of the installation cavity 16 and the second side plate is located at the wall of the installation cavity 16. The waterproof and dustproof device 100 is disposed in the mounting cavity 16 and is used for protecting the port 102. Specifically, the bottom shell 13 is screwed to the bottom of the installation cavity 16, and the fastener 21 is fastened to the slot.

In one embodiment, the bottom of the housing cavity 16 is further provided with a waterproof rib 103, and the waterproof rib 103 is in a ring structure and is arranged around the port 102. When fastener 21 is in the buckle state, shell structure 10 compresses tightly seal structure 51 on waterproof bone position 103, interference fit between seal structure 51 and waterproof bone position 103, and buckle structure 20 locks shell structure 10 and box 101 to be connected, thereby ensure seal structure 51's pre-compaction volume in order to reach dustproof and waterproof purpose. Meanwhile, the situation that the pre-pressing is not tight due to long-term friction loss is avoided, for example, when the port 102 is sealed by side extrusion, the side plastic surface of the sealing structure 51 and the inner wall of the port 102 generate large-area friction each time, so that the pre-pressing is not tight and water leakage is caused easily due to long-term abrasion.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A waterproof and dustproof device, comprising:

the side plate structure is provided with a port;

a sealing structure made of a flexible material;

2. The waterproof and dustproof device according to claim 1, characterized in that: the side plate structure comprises a first side plate and a second side plate, the first side plate is provided with the port, the second side plate and the first side plate form a preset included angle, the second side plate is provided with a buckling groove, the shell structure is connected with the first side plate and is provided with an accommodating cavity, the shell structure is further provided with a through hole communicated with the accommodating cavity, and the buckling structure comprises a buckling piece which is slidably arranged in the accommodating cavity; when the buckle structure is in the buckle state, one end of the buckle piece slides out of the accommodating cavity from the through hole and is buckled into the buckle groove, and the shell structure presses the sealing structure towards the first side plate; when the buckling piece is in the tripping state, the buckling piece retracts into the accommodating cavity, and the shell structure is switched from the sealing state to the using state.

3. The waterproof and dustproof device according to claim 2, characterized in that: the buckle structure further comprises two elastic pieces which have elastic restoring force and are abutted to the buckle pieces, and the two elastic pieces clamp the buckle pieces oppositely.

4. The waterproof and dustproof device according to claim 3, characterized in that: at least one elastic piece is abutted against the position of the buckling piece to be provided with a first rack, and the buckling piece is provided with a second rack meshed with the first rack.

5. The waterproof and dustproof device according to claim 3, characterized in that: each elastic part comprises a base connected with the inner wall of the accommodating cavity and elastic arms connected with the base, and each elastic arm is abutted to the buckle part.

6. The waterproof and dustproof device according to claim 5, characterized in that: the two ends of each elastic arm are connected with the corresponding base, an avoiding interval for elastic deformation of the elastic arm is arranged between the elastic arm and the corresponding base, and the side surface of the elastic arm along the length direction is abutted to the buckling piece.

7. The waterproof and dustproof device according to claim 2, characterized in that: the shell structure comprises a shell body provided with the accommodating cavity, a bottom shell connected with the first side plate and a hinged portion, wherein the hinged portion is used for connecting the shell body and the bottom shell so as to enable the shell body to rotate relative to the bottom shell.

8. The waterproof and dustproof device according to claim 7, characterized in that: the waterproof and dustproof device further comprises a toggle button, a toggle groove communicated with the accommodating cavity is further formed in the shell body, and one end of the toggle button is connected with the buckle piece through the toggle groove and drives the buckle piece to be switched between the buckle state and the tripping state under the driving of external force.

9. An outdoor sound box, comprising: the waterproof and dustproof device and box of any one of claims 2 to 8, wherein the box is provided with a placement cavity having an open structure, the cavity wall of the placement cavity is provided with the buckling groove, the cavity bottom of the placement cavity is provided with the port, and the waterproof and dustproof device is disposed in the placement cavity and is used for protecting the port.

10. An outdoor sound according to claim 9, characterized in that: the bottom of the cavity for placing the cavity is also convexly provided with a waterproof bone position, and the waterproof bone position is of an annular structure and is wound around the port.