CN210274863U - Waterproof shell of electronic product - Google Patents

Abstract

The utility model discloses a waterproof shell of electronic product, including drain pan and upper cover, the top surface of drain pan is equipped with the first seal groove of round, first seal groove embeds there is annular waterproof groove, the bottom surface of upper cover be equipped with first seal groove complex first sealing strip, be equipped with on the first sealing strip with annular waterproof groove complex waterproof sealing strip, be equipped with the platform of placing in the drain pan, the top surface of placing the platform is equipped with the second sealing strip, the region that is located the top surface of placing the platform and is surrounded by the second sealing strip is covered with the elastic column, the bottom surface of upper cover is equipped with second sealing strip complex second seal groove, the region that is located the bottom surface of upper cover and is surrounded by the second seal groove is equipped with the thermovent, the terminal surface that the thermovent is located the upper cover bottom surface coats and is stamped waterproof ventilated membrane, when drain pan and upper cover buckle, make first sealing strip and first seal groove, second sealing strip, The sealing waterproof strip and the annular waterproof groove respectively form interference fit. The utility model has the advantages of the water-proof effects is good and the radiating effect is good.

Description

Waterproof shell of electronic product

Technical Field

The utility model relates to an electronic product waterproof technical field, concretely relates to electronic product's waterproof case.

Background

Electronic products are related products based on electric energy, along with popularization of electronic products, people use electronic products more frequently, and under different use environments, water resistance of electronic products is important.

The existing waterproof outer casing is basically added with a seal ring or is waterproofed by using a glue sealing mode, only one layer of waterproof structure is needed, the waterproof structure is easy to damage, and the waterproof effect is poor; (2) the existing waterproof shell is totally closed, an electronic product is placed in the existing waterproof shell, heat generated during working cannot be discharged, so that the internal temperature is very high, the electronic product can be greatly damaged, if the electronic product is accelerated to age, and the internal circuit of the electronic product can be short-circuited due to high temperature in serious conditions, so that safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the existing waterproof shell is poor in waterproof effect and overhigh in internal temperature, the utility model aims to provide a waterproof shell of an electronic product which is good in waterproof effect and has a heat dissipation function.

The utility model discloses the technical scheme who adopts does:

a waterproof shell of an electronic product comprises a bottom shell and an upper cover matched with the bottom shell;

the top surface of the bottom shell is provided with a circle of first sealing groove, an annular waterproof groove is arranged in the first sealing groove, the bottom surface of the upper cover is provided with a first sealing strip matched with the first sealing groove, and the first sealing strip is provided with a sealing waterproof strip matched with the annular waterproof groove;

a placing table for placing an electronic product is further arranged in the bottom shell, a circle of second sealing strips are arranged on the top surface of the placing table, and vertical elastic columns are distributed in an area which is located on the top surface of the placing table and is surrounded by the second sealing strips;

a second sealing groove matched with the second sealing strip is formed in the bottom surface of the upper cover, a heat dissipation opening is formed in the area, located on the bottom surface of the upper cover and surrounded by the second sealing groove, of the heat dissipation opening, and a waterproof breathable film covers the end face, located on the bottom surface of the upper cover, of the heat dissipation opening;

when the bottom shell is buckled with the upper cover, the first sealing strip is in interference fit with the first sealing groove, the second sealing strip is in interference fit with the second sealing groove, and the sealing waterproof strip is in interference fit with the annular waterproof groove.

Preferably, a groove is formed in the center of the top surface of the placing table, and a cooling fan is arranged in the groove.

Preferably, fixing devices for fixing the electronic product are respectively arranged on two opposite side walls of the placing table, and each fixing device comprises a screw and a clamping seat;

threaded through holes corresponding in position are respectively formed in two opposite side walls of the placing table, an insertion end thread of the screw rod penetrates through the threaded through holes on the corresponding sides, and the clamping seat is further fixed at the end of the insertion end of the screw rod.

Preferably, the clamping seat is cylindrical, and a clamping groove is formed in the end face, back to the screw rod, of the clamping seat.

Preferably, the opposite two sides of the bottom surface of the upper cover are respectively and vertically provided with an inserting column corresponding to the position, the side wall of one end of the inserting column far away from the upper cover is provided with an elastic clamping piece, and the two elastic clamping pieces on the opposite two sides of the bottom surface of the upper cover are arranged oppositely;

the top surface of the bottom shell is provided with an inserting groove matched with the inserting column, and the side wall of the bottom shell is also provided with a clamping groove communicated with the inserting groove;

after the insertion column is inserted into the insertion groove, the elastic clamping piece is exposed out of the clamping groove, and the upper cover is hermetically buckled with the bottom shell.

Specifically, the elastic clamping piece is of a right-angled trapezoid structure, and the surface of the elastic clamping piece close to the upper cover is larger than the surface of the elastic clamping piece far away from the upper cover.

Specifically, the elastic clamping piece is made of rubber.

Preferably, the height of the first sealing strip is the same as the depth of the first sealing groove, the height of the second sealing strip is the same as the depth of the second sealing groove, and the height of the sealing waterproof strip is the same as the depth of the annular waterproof groove;

when the upper cover is buckled with the bottom shell, the first sealing strip is abutted against the bottom surface of the first sealing groove, the second sealing strip is abutted against the bottom surface of the second sealing groove, and the sealing waterproof strip is abutted against the bottom surface of the annular waterproof groove.

Preferably, the end face of the heat dissipation opening, which is located on the top face of the upper cover, is covered with a dust screen.

Preferably, the elastic column is a rubber column.

The utility model has the advantages that:

(1) the utility model relates to a waterproof case of electronic product, the utility model discloses place the electronic product in the drain pan place the bench to set up the first sealing strip of round on the top surface of drain pan, set up first seal groove in the bottom surface of upper cover, be provided with annular waterproof groove in first seal groove simultaneously, set up on first sealing strip with annular waterproof groove complex waterproof sealing strip, still set up round second sealing strip at the top surface of placing the platform at last, set up the second sealing strip in the bottom surface of upper cover. Through the design, when the bottom shell is buckled with the upper cover, the first sealing strip is inserted into the first sealing groove to form interference fit, the sealing waterproof strip is inserted into the annular waterproof groove to form interference fit, the second sealing strip is also inserted into the second sealing groove to form interference fit, and a three-layer sealing waterproof structure is formed between the bottom shell and the upper cover; the first sealing strip and the first sealing groove are matched with each other, and the sealing waterproof strip and the waterproof groove are matched with each other to form a double waterproof structure, so that the joint of the bottom shell and the upper cover is sealed, and the sealing effect of the shell is improved; the second sealing strip and the second sealing groove are used for sealing the placing table, so that electronic products on the placing table are sealed, even if water enters the shell, the placing safety of the electronic products can be guaranteed, and the waterproof performance of the waterproof shell is greatly improved.

Meanwhile, the bottom surface of the upper cover is also provided with a heat dissipation port, namely, the heat in the waterproof shell can be discharged through the heat dissipation port, the circuit aging and short circuit of the electronic product caused by overhigh temperature in the electronic product are prevented, and the use safety and the service life of the electronic product are greatly improved; and through setting up waterproof ventilated membrane, avoided outside steam to get into the inside problem of shell from the thermovent promptly, can not hinder the inside thermal discharge of shell again, guaranteed that the setting of thermovent can not influence the waterproof performance of waterproof shell.

In addition, the top surface of placing the platform still is equipped with vertical elastic column, on the one hand, can make electronic product and place and produce the clearance between the platform, does benefit to thermal effluvium, further increase radiating effect, and on the other hand, elastic column can also play the effect of buffering, reduces the vibration that electronic product received on placing the platform, has played the function of protection electronic product.

(2) The utility model discloses still inlay at the top surface of placing the platform and be equipped with radiator fan, through above-mentioned design, can increase thermal discharge, further improvement waterproof housing's radiating effect.

(3) The utility model discloses be equipped with the fixing device who is used for fixed electronic product on the relative both sides wall of placing the platform respectively, through mutually supporting of screw rod in screw thread through-hole and the fixing device, just can realize the removal of grip slipper. Namely, the screw rod is rotated to enable the clamping seats to respectively abut against the end faces of the electronic products on the corresponding sides, and the electronic products can be fixed. Through above-mentioned design, avoided electronic product to remove and bump the problem that the casing caused the damage in waterproof shell.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a waterproof housing of an electronic product according to the present invention.

Fig. 2 is a schematic structural diagram of the upper cover provided by the present invention.

Fig. 3 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 4 is a top view of the bottom case provided by the present invention.

In the above figures, 1-bottom shell; 101-a first seal groove; 101 a-annular water-proof groove; 102-a placing table; 102 a-a second sealing strip; 102 b-a resilient post; 102 c-a groove; 102 d-radiator fan; 102 e-threaded through hole; 103-a plug groove; 104-a clamping groove; 2-covering the upper cover; 201-a first sealing strip; 201 a-sealing waterproof strip; 202-a second seal groove; 203-heat dissipation port; 204-a plug column; 204 a-a resilient snap; 3-a screw; 4-a clamping seat; 401 — clamping groove.

Detailed Description

The invention will be further elucidated with reference to the embodiments described hereinafter. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

Example one

As shown in fig. 1 to 4, the waterproof housing of an electronic product provided in this embodiment includes a bottom case 1 and an upper cover 2 for cooperating with the bottom case 1.

The top surface of drain pan 1 is equipped with the first seal groove 101 of round, first seal groove 101 embeds there is annular waterproof groove 101a, the bottom surface of upper cover 2 be equipped with first seal groove 101 matched with first sealing strip 201, be equipped with on first sealing strip 201 with annular waterproof groove 101a matched with seals waterproof strip 201 a.

A placing table 102 for placing the electronic product is further arranged in the bottom shell 1, a ring of second sealing strips 102a is arranged on the top surface of the placing table 102, and vertical elastic columns 102b are distributed in the area, which is located on the top surface of the placing table 102 and is surrounded by the second sealing strips 102 a.

The bottom surface of the upper cover 2 is provided with a second sealing groove 202 matched with the second sealing strip 102a, a heat dissipation opening 203 is arranged in an area which is located on the bottom surface of the upper cover 2 and is surrounded by the second sealing groove 202, and the end surface of the heat dissipation opening 203 located on the bottom surface of the upper cover 2 is covered with a waterproof and breathable film.

When the bottom case 1 is fastened to the upper cover 2, the first sealing strip 201 and the first sealing groove 101, the second sealing strip 102a and the second sealing groove 202, and the sealing waterproof strip 201a and the annular waterproof groove 101a form interference fit, respectively.

As shown in fig. 1-2 and 4, the following describes a specific structure of the waterproof housing of the electronic product:

the bottom shell 1 and the upper cover 2 can form the waterproof shell when being covered.

The placing table 102 is used for placing and fixing an electronic product, which may be, but is not limited to, a mobile phone or a tablet in the embodiment.

The first sealing strip 201 and the first sealing groove 101 are used as a first layer waterproof structure of the waterproof housing, and the annular waterproof groove 101a and the sealing waterproof strip 201a are matched together to form a second layer waterproof structure of the waterproof housing.

Namely, when the bottom shell 1 and the upper cover 2 are closed, the first sealing strip 201 is inserted into the first sealing groove 101, and interference fit is formed between the first sealing strip and the first sealing groove; the seal flashing strip 201a is inserted into the annular flashing groove 101a and also forms an interference fit. Through the design, the double waterproof structure is formed at the buckling position of the bottom shell 1 and the upper cover 2, external water can be prevented from being immersed from the joint of the bottom shell 1 and the upper cover 2, the sealing function is realized, the internal electronic product is protected, the double waterproof structure is adopted simultaneously, the double waterproof structure is compared with the traditional double waterproof structure which only uses one layer of sealing strip for sealing, the waterproof effect is better, and the waterproof performance of the waterproof shell is greatly improved.

Meanwhile, the second sealing strip 102a and the second sealing groove 202 are used as a third layer of waterproof structure of the waterproof housing, that is, when the bottom case 1 and the upper cover 2 are closed, the second sealing strip 102 is inserted into the second sealing groove 202, and an interference fit is formed between the two. Through the above design, the second sealing strip 102a can cover the placing table 102 in a sealing manner, even if the first layer waterproof structure and the second layer waterproof structure are aged or damaged, water enters the waterproof shell, the placing table 102 still can be guaranteed to be in a sealing state, the electronic product on the top surface of the placing table can not be immersed by water, and the waterproof performance of the whole waterproof shell is improved.

As shown in fig. 2, the utility model discloses be equipped with thermovent 203 in the bottom surface of upper cover 2, can discharge the heat in the waterproof case through thermovent 203, prevent that it is inside because of the high temperature leads to ageing and the short circuit of electronic product circuit, improved electronic product's life and safe in utilization.

In addition, the top surface of the placing table 102 is covered with vertical elastic columns 102b, i.e. the electronic product is placed on the elastic columns 102 b. Through the design, a gap is formed between the electronic product and the top surface of the placing table 102, so that heat generated by the electronic product is more easily dissipated, and the heat dissipation effect of the waterproof shell is further improved. And the elastic column 102b has elasticity, so that the vibration (such as the vibration generated when the waterproof shell falls on the ground) borne by the electronic product can be buffered, the placement safety of the electronic product is improved, and the probability of damage to the electronic product due to accidents is reduced.

Meanwhile, the heat dissipation port 203 is covered by the waterproof breathable film, so that smooth discharge of heat inside the waterproof shell is guaranteed, external water vapor cannot enter from the heat dissipation port 203, and the waterproof performance of the waterproof shell cannot be affected by the arrangement of the heat dissipation port 203.

In this embodiment, the waterproof and breathable film is a conventional material.

In the present embodiment, the first sealing tape 201, the second sealing tape 102, and the seal waterproof tape 201a may be, but are not limited to, a sealing rubber.

In the present embodiment, the bottom case 1 and the top cover 2 may be made of, but not limited to, plastic or metal.

In summary, through the description of the waterproof housing of the electronic product, on one hand, the waterproof housing has a three-layer waterproof structure by arranging the first sealing strip 201, the second sealing strip 102a and the sealing waterproof strip 201a, so that after the first sealing strip 201 and the sealing waterproof strip 201a are damaged, the safety of the internal electronic product can be still protected, and the waterproof performance of the whole waterproof housing is greatly improved; on the other hand, the heat dissipation port 203 is arranged, so that internal heat can be discharged, the temperature inside the waterproof shell is reduced, and the problems of circuit aging and short circuit of electronic products are avoided; in addition, by arranging the elastic column 102b, a gap can be generated between the electronic product and the placing table 102, so that heat generated by the electronic product can be discharged, the heat dissipation effect is improved, a buffering effect can be achieved, and the probability of damage of the electronic product due to vibration is reduced; finally, inside can avoiding outside steam can not get into the shell from thermovent 203 through waterproof ventilated membrane, can not hinder inside thermal discharge yet, guaranteed that thermovent 203's setting can not influence the waterproof performance of shell.

Preferably, a groove 102c is formed in the center of the top surface of the placing table 102, and a heat dissipation fan 102d is disposed in the groove 102 c. Through the design, heat can be quickly discharged through the heat radiation fan 102d, and the heat radiation performance of the waterproof shell is further improved.

In this embodiment, can also set up a temperature sensor and controller in waterproof shell's inside, through the inside temperature of temperature sensor real-time supervision shell, when reaching the setting value, by the start of controller control radiator fan, dispel the heat automatically.

Of course, the switch button may also be directly set to manually control the operation of the heat dissipation fan 102d, in this embodiment, the power supply required by the heat dissipation fan 203 may be provided by a button battery, and the button battery may be set on the placing table 102.

Preferably, fixing devices for fixing the electronic product are respectively disposed on two opposite side walls of the placing table 102, and the fixing devices include a screw 3 and a clamping seat 4.

Threaded through holes 102e corresponding in position are respectively formed in two opposite side walls of the placing table 102, an insertion end thread of the screw rod 3 penetrates through the threaded through hole 102e on the corresponding side, and the clamping seat 4 is further fixed at the insertion end of the screw rod 3.

Specifically, the clamping seat 4 is cylindrical, and a clamping groove 401 is arranged on the end surface facing away from the screw rod 3.

As shown in fig. 3, the following description of the specific structure of the fixing device is made:

in order to ensure that the electronic product can be firmly fixed on the top surface of the placing table 102, a fixing device is provided to clamp the electronic product.

The utility model discloses set up screw thread through-hole 102e on the relative both sides wall of placing platform 102, the end screw thread that inserts of screw rod 3 passes screw thread through-hole 102e promptly, and the end tip that inserts of screw rod 3 is provided with grip slipper 4.

Through above-mentioned design, when needs centre gripping electronic product, can rotate screw rod 3, make holder 4 remove towards electronic product, until holder 4 support tight electronic product and can stop rotatory, at this moment, the holder 4 through relative both sides can realize that electronic product's centre gripping is fixed, avoids electronic product to remove inside the shell, produces the collision with the casing and damages.

The optimization in the scheme is as follows: the clamping seat 4 is cylindrical, and the cylindrical clamping seat can well support the electronic product no matter what position the clamping seat rotates. The clamping groove 401 is formed on the clamping seat 4 to further improve the fixing effect, and the fixing method is as follows:

put into centre gripping groove 401 with one end or one side of electronic product earlier, then rotate the screw rod 3 of opposite side, be close to the opposite side of electronic product with the grip slipper 4 of opposite side, until can putting into the grip slipper 401 on this grip slipper 4 with the opposite side of electronic product in, at this moment, do not rotate the screw rod 3 of different sides again, make the side of the electronic product of corresponding side can be supported tightly simultaneously in the grip slipper 401 of different sides, can realize fixing of electronic product, make its firmly fix on elastic column 102 b.

In this embodiment, the clamping base 4 is a rubber base.

Preferably, the opposite two sides of the bottom surface of the upper cover 2 are respectively vertically provided with the corresponding inserting column 204, the side wall of one end of the inserting column 204 far away from the upper cover 2 is provided with the elastic clamping piece 204a, and the two elastic clamping pieces 204a on the opposite two sides of the bottom surface of the upper cover 2 are arranged back to back.

The top surface of the bottom shell 1 is provided with an insertion groove 103 matched with the insertion column 204, and the side wall of the bottom shell 1 is also provided with a clamping groove 104 communicated with the insertion groove 103.

After the insertion post 204 is inserted into the insertion groove 103, the elastic engaging member 204a is exposed out of the engaging groove 104, and the upper cover 2 is hermetically engaged with the bottom case 1.

Specifically, the elastic engaging member 204a has a right trapezoid structure, and a surface of the elastic engaging member 204a close to the upper lid 2 is larger than a surface of the elastic engaging member far from the upper lid 2.

Specifically, the elastic engaging member 204a is made of rubber.

As shown in fig. 1 and fig. 2, the bottom case 1 and the upper cover 2 can be fastened by providing the insertion post 204, the elastic engaging member 204a, the insertion groove 103 and the engaging groove 104, and the following explains how the upper cover 2 and the bottom case 1 are fastened:

as shown in fig. 2, the elastic engaging member 204a has a right trapezoid shape, and a surface close to the upper lid 2 is larger than a surface far from the upper lid 2, and is made of rubber, i.e. has good elasticity and deformation capability.

When the plug post 204 is inserted into the plug slot 103, the elastic engaging member 204a deforms due to being squeezed, and can smoothly enter the plug slot 103 along with the plug post 204, when the elastic engaging member 204a enters the engaging slot 104, because the engaging slot 104 is disposed on the side surface of the bottom case 1, i.e., the side surface is provided with the opening, the side surface of the elastic engaging member 204a is not squeezed by the side wall of the plug slot 103, and can immediately recover to the original shape, at this time, one end of the elastic engaging member 204a far away from the inserting end extends out of the engaging slot 204, and the plug post 204 is firmly fixed in the plug slot 103, so that the bottom case 1 and the upper cover 2 are fastened.

When the upper cover 2 and the bottom case 1 need to be opened, the elastic fastener 204a is pressed to expose the portion of the engaging groove 104, so as to enter the inserting groove 103, and at this time, the upper cover 2 is pulled upward.

Preferably, the height of the first sealing strip 201 is the same as the depth of the first sealing groove 101, the height of the second sealing strip 102a is the same as the depth of the second sealing groove 202, and the height of the waterproof sealing strip 201a is the same as the depth of the annular waterproof groove 101 a.

When the upper cover 2 is fastened to the bottom case 1, the first sealing strip 201 abuts against the bottom surface of the first sealing groove 101, the second sealing strip 102a abuts against the bottom surface of the second sealing groove 202, and the waterproof sealing strip 201a abuts against the bottom surface of the annular waterproof groove 101 a.

The utility model discloses in, after drain pan 1 and 2 locks of upper cover, first sealing strip 201 offsets with the bottom surface of first seal groove 101, and second sealing strip 102a offsets with the bottom surface of second seal groove 202, and sealed waterproof strip 201a offsets with the bottom surface of annular waterproof groove 101 a. Through the design, water immersed into the sealing groove or the waterproof groove can be prevented from directly entering the shell from the bottom, and the waterproof shell is guaranteed to have excellent waterproof performance.

Preferably, the end surface of the heat dissipation opening 203 on the top surface of the upper cover 2 is covered with a dust screen. Through the design, the dust outside can be prevented from entering the shell from the heat dissipation port 203, the dustproof effect is achieved, meanwhile, the dust can be prevented from blocking the heat dissipation port 203, and the heat dissipation function of the waterproof shell is guaranteed to be effective all the time.

Preferably, the elastic column 102b is also made of rubber. The rubber has good buffering performance, and can better protect electronic products from being damaged by external vibration.

To sum up, adopt the utility model provides a waterproof case of electronic product has following technological effect:

(1) on one hand, the waterproof shell has a three-layer waterproof structure by arranging the first sealing strip 201, the second sealing strip 102a and the sealing waterproof strip 201a, so that after the first sealing strip 201 and the sealing waterproof strip 201a are damaged, the safety of an internal electronic product can be still protected, and the waterproof performance of the whole waterproof shell is greatly improved; on the other hand, the heat dissipation port 203 is arranged, so that internal heat can be discharged, the temperature inside the waterproof shell is reduced, and the problems of circuit aging and short circuit of electronic products are avoided; in addition, by arranging the elastic column 102b, a gap can be generated between the electronic product and the placing table 102, so that heat generated by the electronic product can be discharged, the heat dissipation effect is improved, a buffering effect can be achieved, and the probability of damage of the electronic product due to vibration is reduced; finally, inside can avoiding outside steam can not get into the shell from thermovent 203 through waterproof ventilated membrane, can not hinder inside thermal discharge yet, guaranteed that thermovent 203's setting can not influence the waterproof performance of shell.

(2) The utility model discloses still inlay at the top surface of placing platform 102 and be equipped with radiator fan 102d, through above-mentioned design, can increase thermal discharge, further improvement waterproof case's radiating effect.

(3) The utility model discloses be equipped with the fixing device who is used for fixed electronic product on the relative both sides wall of placing platform 102 respectively, through screw rod 3's mutually supporting in screw thread through-hole 102e and the fixing device, just can realize the removal of grip slipper 4. Namely, the screw 3 is rotated to make the clamping seats 4 respectively abut against the end faces of the electronic products on the corresponding sides, so that the electronic products can be fixed. Through above-mentioned design, avoided electronic product to remove and bump the problem that the casing caused the damage in waterproof shell.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims (10)

1. A waterproof housing of an electronic product, characterized in that: comprises a bottom shell (1) and an upper cover (2) matched with the bottom shell (1);

a circle of first sealing groove (101) is formed in the top surface of the bottom shell (1), an annular waterproof groove (101a) is formed in the first sealing groove (101), a first sealing strip (201) matched with the first sealing groove (101) is arranged on the bottom surface of the upper cover (2), and a sealing waterproof strip (201a) matched with the annular waterproof groove (101a) is arranged on the first sealing strip (201);

a placing table (102) for placing electronic products is further arranged in the bottom shell (1), a circle of second sealing strips (102a) is arranged on the top surface of the placing table (102), and vertical elastic columns (102b) are distributed in an area which is located on the top surface of the placing table (102) and is surrounded by the second sealing strips (102 a);

a second sealing groove (202) matched with the second sealing strip (102a) is formed in the bottom surface of the upper cover (2), a heat dissipation opening (203) is formed in an area, located on the bottom surface of the upper cover (2) and surrounded by the second sealing groove (202), and a waterproof breathable film covers the end face, located on the bottom surface of the upper cover (2), of the heat dissipation opening (203);

when the bottom shell (1) is buckled with the upper cover (2), the first sealing strip (201) is in interference fit with the first sealing groove (101), the second sealing strip (102a) is in interference fit with the second sealing groove (202), and the waterproof sealing strip (201a) is in interference fit with the annular waterproof groove (101 a).

2. A waterproof case for an electronic product according to claim 1, wherein: the center of the top surface of the placing table (102) is provided with a groove (102c), and a heat radiation fan (102d) is arranged in the groove (102 c).

3. A waterproof case for an electronic product according to claim 1, wherein: fixing devices for fixing electronic products are respectively arranged on two opposite side walls of the placing table (102), and each fixing device comprises a screw (3) and a clamping seat (4);

threaded through holes (102e) corresponding to the positions are respectively formed in two opposite side walls of the placing table (102), an inserting end thread of the screw rod (3) penetrates through the threaded through holes (102e) on the corresponding sides, and the clamping seat (4) is further fixed at the inserting end of the screw rod (3).

4. A waterproof case for an electronic product according to claim 3, wherein: the clamping seat (4) is cylindrical, and a clamping groove (401) is arranged on the end face, back to the screw rod (3).

5. A waterproof case for an electronic product according to claim 1, wherein: the opposite two sides of the bottom surface of the upper cover (2) are respectively and vertically provided with an inserting column (204) corresponding to the bottom surface, the side wall of one end of the inserting column (204) far away from the upper cover (2) is provided with an elastic clamping piece (204a), and the two elastic clamping pieces (204a) on the opposite two sides of the bottom surface of the upper cover (2) are arranged oppositely;

the top surface of the bottom shell (1) is provided with an inserting groove (103) matched with the inserting column (204), and the side wall of the bottom shell (1) is also provided with a clamping groove (104) communicated with the inserting groove (103);

after the insertion column (204) is inserted into the insertion groove (103), the elastic clamping piece (204a) is exposed out of the clamping groove (104), and the upper cover (2) is hermetically buckled with the bottom shell (1).

6. The waterproof case of an electronic product as claimed in claim 5, wherein: the elastic clamping piece (204a) is of a right-angled trapezoid structure, and the surface of the elastic clamping piece (204a) close to the upper cover (2) is larger than the surface far away from the upper cover (2).

7. The waterproof case of an electronic product as claimed in claim 5, wherein: the elastic clamping piece (204a) is made of rubber materials.

8. A waterproof case for an electronic product according to claim 1, wherein: the height of the first sealing strip (201) is the same as the depth of the first sealing groove (101), the height of the second sealing strip (102a) is the same as the depth of the second sealing groove (202), and the height of the sealing waterproof strip (201a) is the same as the depth of the annular waterproof groove (101 a);

when the upper cover (2) is buckled with the bottom shell (1), the first sealing strip (201) is abutted against the bottom surface of the first sealing groove (101), the second sealing strip (102a) is abutted against the bottom surface of the second sealing groove (202), and the sealing waterproof strip (201a) is abutted against the bottom surface of the annular waterproof groove (101 a).

9. A waterproof case for an electronic product according to claim 1, wherein: the end face of the heat dissipation opening (203) located on the top face of the upper cover (2) is covered with a dust screen.

10. A waterproof case for an electronic product according to claim 1, wherein: the elastic column (102b) is a rubber column.

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