CN218483083U - A protection assembly for electric products - Google Patents
A protection assembly for electric products Download PDFInfo
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- CN218483083U CN218483083U CN202222581475.7U CN202222581475U CN218483083U CN 218483083 U CN218483083 U CN 218483083U CN 202222581475 U CN202222581475 U CN 202222581475U CN 218483083 U CN218483083 U CN 218483083U
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Abstract
The utility model provides a protection assembly for an electrical product, which belongs to the technical field of the ventilation structure of the electrical product, and comprises a protection plate and a connecting structure; the protection plate is arranged in the shell at the position of the air holes, and a gap is reserved between the protection plate and the air holes; the connecting structure is positioned between the protection plate and the air holes and arranged along the edge of the protection plate; the connecting structure is suitable for connecting the protection plate and the shell; wherein a protective cavity is formed among the protective plate, the side wall of the shell and the connecting structure, and the top of the protective plate is provided with a ventilation opening communicated with the gap; the height of the ventilation opening is higher than that of the heat-conducting sealant. Through forming the protection chamber between guard plate and connection structure and the casing, when pouring into heat conduction sealed glue into in the casing, can avoid appearing the sealed waterproof ventilation valve's of sealed shutoff of heat conduction condition, and then the normal use of the waterproof ventilation valve of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the ventilative structure of electric products, concretely relates to a protection assembly for electric products.
Background
Some electrical products (such as DC power supply) have the requirement of dust-proof, water-proof and air-permeable, so the housing of the electrical products is usually provided with a water-proof air-permeable valve, which can achieve the purpose of water-proof and air pressure balance inside and outside the housing. After the casing is closed by the end cover, the airtightness of the casing can be detected by connecting the airtightness detection device to the waterproof vent valve on the casing, and thus the presence or absence of an air leak in another position of the casing can be detected.
When the electric product is applied to occasions with higher requirements on heat dissipation and vibration, the heat-conducting sealant is required to be filled into the shell, so that not only can the components in the shell be fixed, but also the heat dissipation effect can be improved. However, after the heat-conducting sealant is poured into the traditional shell, the waterproof vent valve is blocked by the heat-conducting sealant; under the premise of unbalanced air pressure inside and outside the shell, the sealing structure between the end cover and the shell fails.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a protection assembly for electric products aims at solving among the prior art and can block up the technical problem of the waterproof ventilation valve of dying when pouring into heat conduction sealed glue in the casing.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a protection assembly for electric product locates the casing of electric product, the lateral wall of casing is equipped with the bleeder vent to install waterproof breather valve on the bleeder vent, protection assembly includes:
the protection plate is arranged in the shell at the position of the air holes, and a gap is reserved between the protection plate and the air holes; and
the connecting structure is positioned between the protection plate and the air holes and is arranged along the edge of the protection plate; the connecting structure is suitable for connecting the protection plate and the shell;
wherein a protective cavity is formed among the protective plate, the side wall of the shell and the connecting structure, and the top of the protective plate is provided with a ventilation opening communicated with the gap; the height of the ventilation opening is higher than that of the heat-conducting sealant.
In a possible implementation, the connecting structure comprises a sealing strip, and the sealing strip is arranged along the edge position of the protection plate; the seal strip is bonded to the guard plate and the inner wall surface of the housing.
In a possible implementation manner, a first groove suitable for placing the sealing strip is formed in the protection plate, and a second groove suitable for placing the sealing strip is formed in the inner wall surface of the shell.
In one possible implementation, the connection structure includes:
the U-shaped frame is connected to the shell at the peripheral position of the air holes; the top of the U-shaped frame is provided with a slot along the vertical direction; and
the inserting block is suitable for being in inserting fit with the inserting slot; the insert block is suitable for being connected to the protection plate;
when the inserting block is inserted into the inserting groove, the protection plate seals the outer side of the U-shaped frame, so that a protection cavity is formed between the protection plate and the U-shaped frame.
In a possible implementation manner, a first positioning hole is formed in the U-shaped frame, and a second positioning hole is formed in the protection plate; when the inserting block is in inserting fit with the inserting slot, the second positioning hole is aligned with the first positioning hole; the protection assembly further comprises a positioning pin which is suitable for being matched with the first positioning hole and the second positioning hole in an inserting mode.
In a possible implementation manner, the two sides of the protection plate are provided with L-shaped structures, and the L-shaped structures on the two sides of the protection plate are in contact with the side wall of the shell; the air holes of the shell are positioned between the two L-shaped structures; the bottom of guard plate is connected with the shutoff portion for seal the bottom of guard plate.
In a possible implementation manner, the connecting structure comprises a plurality of fixing columns connected to the inner wall surface of the shell, and the fixing columns are perpendicular to the inner wall surface of the shell; the L-shaped structure of the protection plate is provided with a plurality of fixing holes which are in one-to-one correspondence with the fixing columns.
In a possible implementation manner, a side of the protection plate facing the vent hole is provided with a concave cavity, and the vent opening is communicated with the concave cavity;
when the protection plate is in contact with the inner wall surface of the shell, the air holes are located in the concave cavity.
In one possible implementation, the ventilation openings are several arranged along the top of the protection plate.
In a possible implementation manner, the protection plate is connected with a guide pipe at the ventilation opening, and one end of the guide pipe is located outside the protection plate.
In the embodiment of the application, the protection plate is fixed on the inner wall surface of the shell through the connecting structure, a protection cavity can be formed between the protection plate and the inner wall surface of the shell, and the air holes are located in the protection cavity. When the heat-conducting sealant is injected into the shell, the height of the heat-conducting sealant is lower than that of the top of the protection plate, so that the heat-conducting sealant cannot enter the protection cavity; after the heat-conducting sealant is solidified, the protection cavity can be communicated with the shell through the ventilation opening, so that the waterproof ventilation valve is convenient to use. It should be noted that, when the product is heated or impacted by cold, the waterproof vent valve on the shell can balance the air pressure inside and outside the shell, and the situation that the seal between the end cover on the shell and the shell fails is reduced.
Compared with the prior art, the protection assembly for the electrical product has the advantages that the protection cavity is formed between the protection plate and the shell through the connection structure, and when heat-conducting sealant is injected into the shell, the situation that the waterproof vent valve is blocked by the heat-conducting sealant can be avoided, so that the waterproof vent valve can be conveniently and normally used; and the situation that the sealing structure between the end cover and the shell fails can be reduced.
Drawings
Fig. 1 is a schematic view of a protection assembly for an electrical product mounted to a housing according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic view of a protection plate and a sealing strip portion of a protection assembly for an electrical product according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the portion B of FIG. 3;
fig. 5 is a schematic view of a first groove portion of a protection assembly for an electrical product according to an embodiment of the present invention;
fig. 6 is a schematic view of a U-shaped frame portion of a protective assembly for an electrical product according to an embodiment of the present invention;
fig. 7 is a schematic view of an L-shaped structural portion of a protection assembly for an electrical product according to an embodiment of the present invention;
fig. 8 is a schematic view of a cavity portion of a protective assembly for an electrical product according to an embodiment of the present invention.
Description of reference numerals: 1. a housing; 11. air holes are formed; 12. a waterproof vent valve; 2. a protection plate; 21. a protective cavity; 22. ventilating openings; 23. a first groove; 24. a second positioning hole; 25. an L-shaped structure; 251. a fixing hole; 26. a plugging section; 27. a concave cavity; 3. a sealing strip; 4. a U-shaped frame; 41. a slot; 42. a first positioning hole; 5. inserting a block; 6. positioning pins; 7. the column is fixed.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 8, a protection assembly for an electrical product according to the present invention will now be described. The protection assembly for the electric product is arranged in a shell 1 of the electric product, the side wall of the shell 1 is provided with an air vent 11, a waterproof air vent valve 12 is arranged on the air vent 11, and the protection assembly comprises a protection plate 2 and a connecting structure; the protection plate 2 is arranged in the shell 1 at the position of the air hole 11, and a gap is reserved between the protection plate 2 and the air hole 11; the connecting structure is positioned between the protection plate 2 and the air holes 11 and arranged along the edge of the protection plate 2; the connection structure is adapted to connect the shielding plate 2 and the housing 1; wherein a protective cavity 21 is formed among the protective plate 2, the side wall of the shell 1 and the connecting structure, and the top of the protective plate 2 is provided with a ventilation opening 22 communicated with the gap; the height of the vent opening 22 is higher than the height of the thermally conductive sealant.
In the embodiment of the present application, the protection plate 2 is fixed on the inner wall surface of the housing 1 through the connection structure, so that the protection cavity 21 is formed between the protection plate 2 and the inner wall surface of the housing 1, and the air holes 11 are located in the protection cavity 21. When the heat-conducting sealant is injected into the shell 1, the height of the heat-conducting sealant is lower than that of the top of the protection plate 2, so that the heat-conducting sealant cannot enter the protection cavity 21; after the heat-conducting sealant is solidified, the protection cavity 21 can be communicated with the interior of the shell 1 through the ventilation opening 22, so that the waterproof ventilation valve 12 is convenient to use. It should be noted that, under the impact of a heated or cooled product, the waterproof vent valve 12 on the housing 1 can balance the air pressure inside and outside the housing 1, and reduce the occurrence of sealing failure between the end cover on the housing 1 and the housing 1. The waterproof vent valve 12 is prior art and will not be described in detail herein.
The utility model provides a pair of a protection assembly for electric products compares with prior art, through forming protection chamber 21 between guard plate 2 and connection structure and the casing 1, when pouring into heat conduction sealant into casing 1, can avoid appearing the sealed waterproof ventilation valve 12's of sealed shutoff of heat conduction condition, and then the normal use of the waterproof ventilation valve 12 of being convenient for.
In some embodiments, as shown in fig. 1 to 8, the connecting structure comprises a sealing strip 3, the sealing strip 3 being arranged along an edge position of the shielding plate 2; the weather strip 3 is bonded to the shielding plate 2 and the inner wall surface of the case 1. The protection plate 2 is provided with a first groove 23 suitable for placing the sealing strip 3, and the inner wall surface of the shell 1 is provided with a second groove (not shown in the figure) suitable for placing the sealing strip 3.
Illustratively, when the sealing tape 3 is placed in the first groove 23, the side of the sealing tape 3 remote from the bottom wall of the first groove 23 projects out of the first groove 23, and the projecting portion of the sealing tape 3 can be inserted into the second groove; an adhesive layer can be arranged on the sealing strip 3, and the sealing strip 3 is adhered to the bottom wall of the first groove 23 and the bottom wall of the second groove through the adhesive layer. The adhesive layer can be double-sided adhesive tape or glue.
It should be understood that by providing the first groove 23 on the shielding plate 2 and providing the second groove on the inner wall surface of the housing 1, the mounting position of the weather strip 3 can be positioned, thereby facilitating the adhesion of the weather strip 3 to the shielding plate 2 and the inner wall of the housing 1.
In some embodiments, as shown in fig. 1-8, the connection structure includes a U-shaped frame 4 and an insert block 5; the U-shaped frame 4 is connected to the periphery of the air hole 11 of the shell 1; the top of the U-shaped frame 4 is provided with a slot 41 along the vertical direction; the plug block 5 is suitable for being in plug fit with the slot 41; the insert 5 is suitable for being connected to the protection plate 2; when the insert block 5 is inserted into the insert slot 41, the protection plate 2 closes the outer side of the U-shaped frame 4, so that a protection cavity 21 is formed between the protection plate 2 and the U-shaped frame 4.
Note that, the U-shaped frame 4 is fixed to the inner wall surface of the housing 1; when the protection plate 2 is installed, one side of the protection plate 2 is in contact with the outer side of the U-shaped frame 4, the protection plate 2 slides downwards, the insertion block 5 on the protection plate 2 can be in insertion fit with the insertion groove 41 on the U-shaped frame 4, and therefore the protection plate 2 can be conveniently installed in the shell 1; consequently can protect bleeder vent 11 through guard plate 2 and U-shaped frame 4, when pouring into heat conduction sealant into in casing 1, avoid appearing the sealed waterproof ventilation valve 12's of shutoff of heat conduction sealant condition.
In some embodiments, as shown in fig. 1 to 8, the U-shaped frame 4 is provided with a first positioning hole 42, and the protection plate 2 is provided with a second positioning hole 24; when the insert block 5 is inserted into the insert slot 41, the second positioning hole 24 is aligned with the first positioning hole 42; the guard assembly further includes a locating pin 6 adapted to mate with the first locating hole 42 and the second locating hole 24.
It should be understood that after the protection plate 2 is in inserting fit with the U-shaped frame 4 through the insertion block 5, the second positioning hole 24 on the protection plate 2 is aligned with the first positioning hole 42 of the U-shaped frame 4, and at this time, the position of the protection plate 2 and the U-shaped frame 4 can be further fixed through inserting fit of the positioning pin 6 with the first positioning hole 42 and the second positioning hole 24; in-process of injecting heat conduction sealant into the casing 1, the condition that the protection plate 2 slides upwards is reduced, and then the condition that the heat conduction sealant enters the protection cavity 21 is reduced.
In some embodiments, as shown in fig. 1 to 8, the two sides of the protection plate 2 are both provided with L-shaped structures 25, and the L-shaped structures 25 on the two sides of the protection plate 2 are both in contact with the side wall of the housing 1; the air holes 11 of the shell 1 are positioned between the two L-shaped structures 25; a blocking portion 26 is connected to the bottom of the shielding plate 2 for closing the bottom of the shielding plate 2. The connecting structure comprises a plurality of fixing columns 7 connected to the inner wall surface of the shell 1, and the fixing columns 7 are vertical to the inner wall surface of the shell 1; the L-shaped structure 25 of the protection plate 2 is provided with a plurality of fixing holes 251 which correspond to the fixing posts 7 one by one.
Illustratively, the fixing post 7 is fixed on the inner wall surface of the housing 1, and the axis of the fixing post 7 is perpendicular to the inner wall surface of the housing 1. The blocking part 26 is fixed on the protection plate 2 and can block the bottom opening of the protection plate 2; when the blocking portion 26 is attached to the housing 1, the shield plate 2, the blocking portion 26, and the inner wall surface of the housing 1 form a shield cavity 21. When the protection plate 2 is installed, the protection plate 2 can be preliminarily positioned in the shell 1 through the insertion fit of the fixing holes 251 on the protection plate 2 and the fixing columns 7 on the inner wall surface of the shell 1; then, an adhesive layer is provided at the joint of the fender 2 and the inner wall surface of the housing 1, and the fender 2 is adhered to the inner wall surface of the housing 1. Also can set up the adhesive linkage in advance on guard plate 2, after guard plate 2 and fixed column 7 grafting cooperation, bond guard plate 2 on the inner wall of casing 1.
In some embodiments, as shown in fig. 1 to 8, the side of the protection plate 2 facing the vent hole 11 has a cavity 27, and the vent opening 22 communicates with the cavity 27; when the protection plate 2 contacts the inner wall surface of the housing 1, the vent hole 11 is located in the cavity 27. The ventilation openings 22 are provided in a number along the top of the shielding plate 2. With the above arrangement, the connection structure may be an adhesive layer, and the shield plate 2 is adhered to the inner wall surface of the housing 1 through the adhesive layer. After the protection plate 2 is fixed in the shell 1, the vent hole 11 is located in the cavity 27, and at the moment, the vent hole 11 is communicated with the inside of the shell 1 through the cavity 27 and the vent opening 22, so that the waterproof vent valve 12 can balance the air pressure inside and outside the shell 1.
In some embodiments, as shown in fig. 1 to 8, the shielding plate 2 is connected to a duct (not shown) at the air-permeable opening 22, one end of the duct being located outside the shielding plate 2. The guide pipe is arranged at the ventilation opening 22, so that the situation that the heat-conducting sealant enters the protection cavity 21 due to excessive pouring can be avoided when the heat-conducting sealant is injected. After the conduit is fixed on the protection plate 2, the conduit is communicated with the protection cavity 21 through the ventilation opening 22; after the heat-conducting sealant is injected and solidified, the length of the conduit can be cut as required.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a protection assembly for electric product, locates the casing of electric product, the lateral wall of casing is equipped with the bleeder vent to install waterproof breather valve on the bleeder vent, its characterized in that, protection assembly includes:
the protection plate is arranged in the shell at the position of the air hole, and a gap is reserved between the protection plate and the air hole; and
the connecting structure is positioned between the protection plate and the air holes and is arranged along the edge of the protection plate; the connecting structure is suitable for connecting the protection plate and the shell;
wherein a protective cavity is formed among the protective plate, the side wall of the shell and the connecting structure, and the top of the protective plate is provided with a ventilation opening communicated with the gap; the height of the ventilation opening is higher than that of the heat-conducting sealant.
2. A fender assembly according to claim 1 wherein the connecting structure includes a sealing strip which runs along an edge of the fender panel; the seal strip is bonded to the guard plate and the inner wall surface of the housing.
3. The shield assembly of claim 2 wherein said shield plate has a first groove adapted to receive said seal, and said housing has an inner wall surface having a second groove adapted to receive said seal.
4. A protective assembly for an electrical product as recited in claim 1, wherein said connecting structure comprises:
the U-shaped frame is connected to the shell at the peripheral position of the air holes; the top of the U-shaped frame is provided with a slot along the vertical direction; and
the plug block is suitable for being in plug fit with the slot; the insert block is suitable for being connected to the protection plate;
when the inserting block is inserted into the inserting groove, the protection plate seals the outer side of the U-shaped frame, so that a protection cavity is formed between the protection plate and the U-shaped frame.
5. The protective assembly for electrical products of claim 4 wherein said U-shaped frame defines a first alignment aperture and said protective plate defines a second alignment aperture; when the inserting block is in inserting fit with the inserting slot, the second positioning hole is aligned with the first positioning hole; the protection assembly further comprises a positioning pin which is suitable for being matched with the first positioning hole and the second positioning hole in an inserting mode.
6. The shield assembly of claim 1 wherein said shield plate has L-shaped structures on each side of said shield plate, said L-shaped structures on each side of said shield plate contacting said side wall of said housing; the air holes of the shell are positioned between the two L-shaped structures; the bottom of guard plate is connected with the shutoff portion for seal the bottom of guard plate.
7. The protective assembly for electrical products of claim 6 wherein said attachment structure includes a plurality of attachment posts attached to an inner wall surface of said housing, said attachment posts being perpendicular to said inner wall surface of said housing; the L-shaped structure of the protection plate is provided with a plurality of fixing holes which are in one-to-one correspondence with the fixing columns.
8. The shield assembly for electrical products of claim 1 wherein said shield plate has a cavity on a side thereof facing said vent, said vent opening communicating with said cavity;
when the protection plate is in contact with the inner wall surface of the shell, the air holes are located in the concave cavity.
9. A fender assembly according to claim 8 wherein the vent openings are a plurality of openings along the top of the fender panel.
10. The shield assembly of claim 1 wherein said shield plate has a conduit attached to said vent opening, said conduit having an end located outside said shield plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581475.7U CN218483083U (en) | 2022-09-28 | 2022-09-28 | A protection assembly for electric products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581475.7U CN218483083U (en) | 2022-09-28 | 2022-09-28 | A protection assembly for electric products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218483083U true CN218483083U (en) | 2023-02-14 |
Family
ID=85168498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222581475.7U Active CN218483083U (en) | 2022-09-28 | 2022-09-28 | A protection assembly for electric products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218483083U (en) |
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2022
- 2022-09-28 CN CN202222581475.7U patent/CN218483083U/en active Active
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