CN216960355U - Intelligent cover plate of toilet and glue filling structure of circuit board of intelligent cover plate - Google Patents
Intelligent cover plate of toilet and glue filling structure of circuit board of intelligent cover plate Download PDFInfo
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- CN216960355U CN216960355U CN202123160898.3U CN202123160898U CN216960355U CN 216960355 U CN216960355 U CN 216960355U CN 202123160898 U CN202123160898 U CN 202123160898U CN 216960355 U CN216960355 U CN 216960355U
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- circuit board
- spacer
- cavity
- glue filling
- glue
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Abstract
The utility model discloses an intelligent cover plate of a toilet and a glue filling structure of a circuit board of the intelligent cover plate, which comprise a circuit board box and the circuit board arranged in the circuit board box, wherein the front side of the circuit board is provided with electronic components, the back side of the circuit board and the inner wall of the circuit board box enclose a glue filling cavity, the intelligent cover plate also comprises a spacer, the spacer is connected with the circuit board together, a movable gap is formed between the spacer and the circuit board in the plane direction of the circuit board, the side wall surface of the spacer is contacted and matched with the inner wall of the circuit board box to form a first contact part, and the glue filling cavity is separated from the front side of the circuit board through the spacer. The technical scheme of the utility model can effectively avoid the problem that the pouring sealant overflows to the front side of the circuit board from the pouring cavity when the circuit board is poured with the sealant, and can not cause the problems of circuit board deformation and high production cost of the circuit board.
Description
Technical Field
The utility model relates to a glue filling structure of a circuit board and an intelligent cover plate of a toilet bowl using the same.
Background
Some circuit boards are designed to have electronic components on the front surface, the back surface is sealed by pouring glue, when the back surface of the circuit board is sealed by pouring glue for water proofing, the pouring glue is prevented from overflowing to the front surface of the circuit board so as to prevent the pouring glue from contacting the electronic components to cause product failure, and therefore the pouring glue is required to be effectively blocked. The existing glue blocking structure is generally as follows: the circuit board is sleeved in the circuit board box, the periphery of the side edge of the circuit board is tightly matched with the inner wall of the circuit board box, so that the gap between the circuit board and the circuit board box is small enough to make the pouring sealant flow through, and the problem that the pouring sealant overflows to the front side of the circuit board can be avoided when the back side of the circuit board is poured with the sealant.
Among the foretell current glue blocking structure, because the circuit board need closely cooperate with the inner wall of circuit board box, because the dimensional tolerance problem causes the interference tight fit very easily, the circuit board can receive the extrusion force of circuit board box inner wall, arouses the deformation of circuit board, probably causes the harm to electronic components on the circuit board, arouses the problem of electronic components function failure.
Moreover, because the circuit boards are manufactured in batches, the circuit boards are connected with each other in a splicing mode. At the edge of circuit board and circuit board disconnection, can produce deckle edge, dimensional deviation is uncontrollable, consequently, need mill limit processing to the circuit board whole circle. In order to avoid the circuit board and the circuit board box from excessively extruding to lead to the circuit board to warp, the dimensional requirement to the circuit board is strict to easily lead to the defective rate of circuit board great, and then cause manufacturing cost to improve.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a glue pouring structure for a circuit board and an intelligent cover plate of a toilet seat using the same, which can effectively avoid the problem that a pouring glue overflows from a glue pouring cavity to the front side of the circuit board when the circuit board is poured, and can not cause the problems of circuit board deformation and high production cost of the circuit board.
In order to achieve the purpose, the utility model provides the following two technical schemes:
one of the technical schemes is as follows: the utility model provides a glue filling structure of circuit board, includes the circuit board box and locates circuit board in the circuit board box, the front of circuit board is equipped with electronic components, the back of circuit board with the inner wall of circuit board box encloses into a glue filling chamber, and glue filling structure still includes a separator, the separator with the circuit board dress is adorned together, and the separator with the circuit board is in movable gap has on the plane direction of circuit board, the side wall face of separator with the inner wall of circuit board box pastes mutually and touches the cooperation in order to form first subsides and touch the position, through the separator makes glue filling chamber with the front of circuit board is isolated.
In a preferred embodiment, a predetermined gap is formed between the side surface of the peripheral edge of the circuit board and the inner wall of the circuit board box.
In a preferred embodiment, the isolation member completely covers the back surface of the circuit board, and the first contact portion enables the glue filling cavity to be isolated from the front surface of the circuit board.
In a preferred embodiment, the spacer is of an annular structure so as to not completely cover the back surface of the circuit board, the spacer has a circumferential adhering surface, the adhering surface is adhered to the back surface of the circuit board to form a second adhering and contacting portion, and the first adhering and contacting portion and the second adhering and contacting portion enable the glue filling cavity to be isolated from the front surface of the circuit board.
In a preferred embodiment, the isolating member is connected to the circuit board by a snap connection, a slot is disposed inside the isolating member, the slot has an inward opening, the periphery of the circuit board is snapped in the slot, one side of the slot, which is engaged with the back surface of the periphery of the circuit board, is located on the attachment surface, and a gap is formed between the bottom surface of the slot and the side surface of the periphery of the circuit board, where the gap is the movable gap.
In a preferred embodiment, a plurality of hooks are arranged at intervals on the peripheral edge of the spacer, the hooks extend from one side end surface of the spacer having the adhering surface, hook portions of the hooks face inward, so that the clamping groove is formed between the hook portions and one side end surface of the spacer having the adhering surface, guide inclined surfaces are arranged at the hook portions, and the peripheral edge of the circuit board is clamped into the clamping groove along the guide inclined surfaces.
In a preferred embodiment, the isolating piece and the circuit board are connected together through clamping; the isolating piece is made of plastic materials.
In a preferred embodiment, the electronic component includes an encoder, the encoder is fixedly connected to the circuit board box, the circuit board is relatively and fixedly disposed in the circuit board box through the encoder, and the encoder is in transmission fit with a knob rotatably disposed on the circuit board box.
The second technical scheme is as follows: a glue filling structure of a circuit board comprises a circuit board box with an inner cavity and the circuit board arranged in the inner cavity, and is characterized by further comprising a partition arranged in the inner cavity, wherein the partition divides the inner cavity into a glue filling cavity and an accommodating cavity, the glue filling cavity is provided with an opening, the circuit board is arranged in the accommodating cavity, one side of the partition, facing away from the circuit board, and the inner wall of the circuit board box form the glue filling cavity, the side wall surface of the partition is in contact fit with the inner wall of the circuit board box to form a first contact part, and the glue filling cavity is isolated from the accommodating cavity through the first contact part, so that the glue filling cavity is isolated from the circuit board;
the isolating piece is not connected with the circuit board, or the isolating piece is connected with the circuit board and has a movable gap with the circuit board in the plane direction of the circuit board.
The utility model also provides an intelligent cover plate of a toilet bowl, which comprises the glue filling structure of the circuit board.
Based on the technical scheme, the embodiment of the utility model at least has the following beneficial effects:
according to the utility model, the isolating piece is arranged, the isolating piece and the circuit board are connected together in an assembling mode, the isolating piece and the circuit board have a movable gap in the plane direction of the circuit board, the side wall surface of the isolating piece is in contact fit with the inner wall of the circuit board box to form a first contact part, and the glue pouring cavity is isolated from the front surface of the circuit board through the isolating piece, so that the problem that the pouring glue overflows from the glue pouring cavity to the front surface of the circuit board when the circuit board is poured with the glue is avoided. The utility model changes the prior art that the side wall surface of the isolating piece is contacted with the inner wall of the circuit board box by utilizing the contact fit between the circuit board and the inner wall of the circuit board box, and the isolating piece and the circuit board have a movable gap in the plane direction of the circuit board, so that the circuit board cannot be extruded by the isolating piece to deform in the plane direction even if the isolating piece deforms due to interference fit between the isolating piece and the circuit board box, the problem of circuit board deformation can be effectively avoided, and the design can greatly reduce the size requirement on the circuit board, thereby greatly improving the production yield of the circuit board, reducing the production cost of the circuit board, having good glue blocking effect and stable and reliable product quality.
According to the utility model, the isolating piece is arranged, the isolating piece divides the inner cavity of the circuit board box into the glue pouring cavity and the accommodating cavity, the glue pouring cavity is provided with an opening, the circuit board is arranged in the accommodating cavity, one side of the isolating piece, which is opposite to the circuit board, and the inner wall of the circuit board box enclose the glue pouring cavity, the side wall surface of the isolating piece is in contact fit with the inner wall of the circuit board box to form a first contact part, the glue pouring cavity is isolated from the accommodating cavity through the first contact part, and then the glue pouring cavity is isolated from the circuit board, so that the problem that the pouring glue overflows from the glue pouring cavity to the front surface of the circuit board when the circuit board is poured is avoided; the utility model changes the prior art that the side wall surface of the isolating piece is contacted with the inner wall of the circuit board box by utilizing the contact fit between the circuit board and the inner wall of the circuit board box, and the isolating piece is not connected with the circuit board, or the isolating piece is connected with the circuit board and the isolating piece and the circuit board have a movable gap in the plane direction of the circuit board, so that the circuit board can not be extruded by the isolating piece to deform in the plane direction even if the isolating piece deforms due to the interference fit between the isolating piece and the circuit board box, thereby effectively avoiding the problem of circuit board deformation, greatly reducing the size requirement of the circuit board by the design, greatly improving the production yield of the circuit board, reducing the production cost of the circuit board, having good glue blocking effect and stable and reliable product quality.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not limit the utility model. In the drawings:
fig. 1 is a perspective assembly view of a glue filling structure of a circuit board according to an embodiment of the utility model;
fig. 2 is an exploded perspective view of a glue filling structure of a circuit board according to an embodiment of the utility model;
FIG. 3 is a cross-sectional view of a glue filling structure of a circuit board according to an embodiment of the utility model;
FIG. 4 is an enlarged view taken at I in FIG. 3;
fig. 5 is a cross-sectional view of a glue filling structure of a circuit board according to another embodiment of the utility model.
The reference numbers are:
the circuit board comprises a circuit board box 10, a circuit board 20, a circuit board 21, a circuit board 22, a circuit board 30, a glue filling cavity 40/40', a separator 41, a clamping groove 42, a clamping hook 43 middle hole, an electronic component 50, an encoder 51, a knob 60, a first contact part A, a second contact part B, and a gap between the bottom surface of the clamping groove H and the side surface of the periphery of the circuit board.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to 4, an embodiment of the utility model provides a glue filling structure for a circuit board, which includes a circuit board box 10 and a circuit board 20 disposed in the circuit board box 10. The front surface 21 of the circuit board 20 is provided with an electronic component 50, and the back surface 22 of the circuit board 20 and the inner wall of the circuit board box 10 enclose a glue filling cavity 30. The potting structure further includes a spacer 40, the spacer 40 is attached to the circuit board 20, and the spacer 40 and the circuit board 20 have a clearance in the plane direction of the circuit board. The side wall surface of the spacer 40 is in contact with the inner wall of the circuit board box 10 to form a first contact portion a, and the sealant cavity 30 is isolated from the front surface of the circuit board 20 by the spacer 40, so that the sealant in the sealant cavity 30 does not overflow to the front surface of the circuit board 20 to affect the function of the electronic component 50 on the front surface of the circuit board 30. And, because the spacing member 40 has the clearance with circuit board 20 in the plane direction of circuit board 20, thereby even make when interference fit leads to spacing member 40 to warp between spacing member 40 and the circuit board box 10, circuit board 20 also can not receive spacing member 40's extrusion and warp in its plane direction, can effectively avoid the problem that circuit board 20 warp, and design like this can greatly reduced the dimensional requirement to circuit board 20, thereby improve circuit board 20 production yields greatly, reduce circuit board 20 manufacturing cost, it is effectual to keep off gluey, product quality is reliable and stable.
Specifically, in the present embodiment, the spacer 40 has a ring-shaped structure so as not to completely cover the back surface of the circuit board 20, the spacer 40 has a ring-shaped structure, and the middle hole 43 of the ring-shaped spacer 40 can be used for avoiding the structural component on the back surface of the circuit board 20. The spacer 40 is provided with a circumferential binding surface, the binding surface is contacted with the back surface 22 of the circuit board 20 to form a second contact part B, the first contact part A and the second contact part B are used for isolating the potting adhesive cavity 30 from the front surface 21 of the circuit board 20, so that the effective glue blocking is realized, and the problem that the potting adhesive overflows from the potting adhesive cavity 30 to the front surface of the circuit board 20 when the circuit board 20 is potted is avoided.
In this embodiment, a predetermined gap is provided between the side surface of the peripheral edge of the circuit board 20 and the inner wall of the circuit board box 10, and the predetermined gap is sufficient to prevent the circuit board 20 and the circuit board box 10 from being pressed against each other in the planar direction of the circuit board 20, so that the problem of deformation of the circuit board 20 due to pressing can be effectively avoided.
In this embodiment, the spacer 40 and the circuit board 20 are connected together by a snap connection. The clamping connection between the isolating member 40 and the circuit board 20 is specifically that a clamping groove 41 is arranged on the inner side of the isolating member 40, an opening of the clamping groove 41 faces inwards, the peripheral edge of the circuit board 20 is clamped in the clamping groove 41, one side, matched with the back surface 22 of the peripheral edge of the circuit board 20, of the clamping groove 41 is located on the attaching surface (namely, one side, matched with the back surface of the peripheral edge of the circuit board 20, of the clamping groove 41 is used as a part of the attaching surface), a gap H (shown in fig. 4) is formed between the bottom surface of the clamping groove 41 and the side surface of the peripheral edge of the circuit board 20, and the gap H is the movable gap between the isolating member 40 and the circuit board 20 in the plane direction of the circuit board.
More specifically, in the present embodiment, the peripheral edge of the spacer 40 is provided with a plurality of hooks 42 at intervals, preferably, two hooks 42 are respectively provided on two opposite sides of the peripheral edge of the spacer 40, the spacer is of a substantially square structure in the present embodiment, and one hook 42 is provided on each side of the spacer 40. The hook 42 extends from one side end face of the spacer 40 having the adhesive surface, and the hook portion of the hook 42 faces inward to form a slot 41 between the hook portion and the one side end face of the spacer 40 having the adhesive surface, the hook portion is provided with a guiding inclined plane, and the periphery of the circuit board 20 is clamped into the slot 41 along the guiding inclined plane.
In this embodiment, the spacer 40 is made of plastic material, so that the forming is simple and the cost is low.
In this embodiment, the electronic component 50 includes an encoder 51, the encoder 51 is fixedly connected to the circuit board box 10, the circuit board 20 is relatively fixedly disposed in the circuit board box 10 through the encoder 51, and the encoder 51 is in transmission fit with a knob 60 rotatably disposed on the circuit board box 10.
Referring to fig. 5, a difference of the circuit board glue filling structure according to another embodiment of the present invention from the above embodiment is that the spacer 40' of the present embodiment is not a ring structure, but is replaced by a plate structure, the plate spacer 40' can completely cover the back surface of the circuit board 20, and the glue filling cavity can be isolated from the front surface of the circuit board 20 by the first contact portion, and the spacer 40' of the present embodiment does not have the middle hole 43, so that the second contact portion B of the above embodiment is not required. Of course, the spacer 40' of the present embodiment is not suitable for a structure in which a member on the back surface of the circuit board 20 needs to be evacuated because the intermediate hole 43 is not provided.
In another embodiment of the present invention, a glue filling structure (not shown) for a circuit board includes a circuit board box having an inner cavity, a circuit board disposed in the inner cavity, and a partition disposed in the inner cavity, wherein the partition divides the inner cavity into a glue filling cavity and an accommodating cavity. The glue filling cavity is provided with an opening, the circuit board is arranged in the accommodating cavity, one side of the isolating piece, which is back to the circuit board, and the inner wall of the circuit board box form the glue filling cavity, the side wall surface of the isolating piece is in contact fit with the inner wall of the circuit board box to form a first contact part, the glue filling cavity is isolated from the accommodating cavity through the first contact part, and then the glue filling cavity is isolated from the circuit board. The isolating piece of the embodiment can not be connected with the circuit board, so that the isolating piece and the circuit board box are in interference fit to cause deformation and cannot be extruded to the circuit board; or, the isolating piece and the circuit board can also be connected, and the isolating piece and the circuit board have a movable gap in the plane direction of the circuit board, so that the isolating piece and the circuit board box are in interference fit to cause deformation without extruding the circuit board, and the circuit board can be prevented from deforming.
The utility model also provides an intelligent cover plate of a toilet, which comprises the glue filling structure of the circuit board. For example, the knob assembly of the intelligent cover plate is provided with the glue filling structure of the circuit board.
The utility model skillfully changes the mode of blocking glue by utilizing the sticking and contacting fit between the circuit board and the inner wall of the circuit board box in the prior art into the mode of blocking glue by utilizing the sticking and contacting fit between the isolating piece and the inner wall of the circuit board box, and the isolating piece can not extrude the circuit board in the plane direction of the circuit board even if the isolating piece deforms, thereby avoiding the problem that the circuit board in the prior art is deformed due to interference with the circuit board box in the plane direction of the circuit board caused by size deviation.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a encapsulating structure of circuit board, includes the circuit board box and locates circuit board in the circuit board box, the front of circuit board is equipped with electronic components, the back of circuit board with the inner wall of circuit board box encloses into one and irritates gluey chamber, its characterized in that, still includes a separator, the separator with the circuit board dress is in the same place, and the separator with the circuit board is in movable gap has on the plane direction of circuit board, the side wall face of separator with the inner wall of circuit board box pastes the cooperation of touching mutually and contacts the position in order to form first subsides, through the separator makes irritate gluey chamber with the front of circuit board is isolated.
2. The glue-filling structure of circuit board according to claim 1, wherein a predetermined gap is provided between a side surface of the peripheral edge of the circuit board and an inner wall of the circuit board box.
3. The glue-filling structure of the circuit board according to claim 1, wherein the spacer entirely covers the back surface of the circuit board, and the first contact portion isolates the glue-filling cavity from the front surface of the circuit board.
4. The circuit board potting structure of claim 1, wherein the spacer is a ring structure so as to not completely cover the back surface of the circuit board, the spacer has a circumferential abutting surface, the abutting surface abuts against the back surface of the circuit board to form a second abutting portion, and the first abutting portion and the second abutting portion separate the potting cavity from the front surface of the circuit board.
5. The glue filling structure of the circuit board according to claim 4, wherein the spacer is connected to the circuit board by a snap connection, a slot is formed on an inner side of the spacer, an opening of the slot faces inward, a peripheral edge of the circuit board is snapped in the slot, a side of the slot, which is matched with a back surface of the peripheral edge of the circuit board, is located on the attachment surface, and a gap is formed between a bottom surface of the slot and a side surface of the peripheral edge of the circuit board, and the gap is the movable gap.
6. The glue filling structure of claim 5, wherein a plurality of hooks are spaced apart from the periphery of the spacer, the hooks extend from a side surface of the spacer having the engaging surface, a hook portion of each hook faces inward so that the groove is formed between the hook portion and the side surface of the spacer having the engaging surface, a guiding inclined surface is disposed at the hook portion, and the periphery of the circuit board is clamped into the groove along the guiding inclined surface.
7. The glue filling structure of the circuit board according to claim 1, wherein the spacer and the circuit board are connected together by clamping; the isolating piece is made of plastic materials.
8. The glue filling structure of the circuit board according to claim 1, wherein the electronic component includes an encoder, the encoder is fixedly connected to the circuit board box, the circuit board is relatively fixedly disposed in the circuit board box through the encoder, and the encoder is in transmission fit with a knob rotatably disposed on the circuit board box.
9. A glue filling structure of a circuit board comprises a circuit board box with an inner cavity and the circuit board arranged in the inner cavity, and is characterized by further comprising a partition arranged in the inner cavity, wherein the partition divides the inner cavity into a glue filling cavity and an accommodating cavity, the glue filling cavity is provided with an opening, the circuit board is arranged in the accommodating cavity, one side of the partition, facing away from the circuit board, and the inner wall of the circuit board box form the glue filling cavity, the side wall surface of the partition is in contact fit with the inner wall of the circuit board box to form a first contact part, and the glue filling cavity is isolated from the accommodating cavity through the first contact part, so that the glue filling cavity is isolated from the circuit board;
the isolating piece is not connected with the circuit board, or the isolating piece is connected with the circuit board and has a movable gap in the plane direction of the circuit board.
10. An intelligent cover plate of a toilet bowl, which is characterized by comprising the glue filling structure of the circuit board according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123160898.3U CN216960355U (en) | 2021-12-15 | 2021-12-15 | Intelligent cover plate of toilet and glue filling structure of circuit board of intelligent cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123160898.3U CN216960355U (en) | 2021-12-15 | 2021-12-15 | Intelligent cover plate of toilet and glue filling structure of circuit board of intelligent cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216960355U true CN216960355U (en) | 2022-07-12 |
Family
ID=82311461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123160898.3U Active CN216960355U (en) | 2021-12-15 | 2021-12-15 | Intelligent cover plate of toilet and glue filling structure of circuit board of intelligent cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216960355U (en) |
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2021
- 2021-12-15 CN CN202123160898.3U patent/CN216960355U/en active Active
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