CN110265941B - A waterproof sealed junction box - Google Patents

Abstract

The invention discloses a waterproof sealing junction box which comprises a junction box main body, an upper cover, a button lock and a mounting bracket, wherein the upper cover matched with the junction box main body is arranged at the upper end of the junction box main body, the upper cover is fixed on the junction box main body through the button lock, and the mounting bracket is clamped at the bottom of the junction box main body. Through the mode, the waterproof sealing device is simple in structure, convenient to install and detach, capable of achieving the waterproof sealing effect, and capable of avoiding the problem that the sealing effect is poor due to repeated disassembly and assembly.

Description

A waterproof sealed junction box

Technical Field

The invention relates to the technical field of junction boxes, and in particular to a waterproof and sealed junction box.

Background Art

The junction box is one of the electrical auxiliary materials. The wires pass through the wire tube. The junction box is used as a transition at the joint of the wires. The wire tube is connected to the junction box, and the wires in the wire tube are connected in the junction box. There is a gap between the wire tube and the junction box. Water can easily penetrate into the junction box under the action of external force, causing the wire group to become damp and prone to failure. Especially for junction boxes used outdoors, waterproof performance is particularly critical. Most of the current junction boxes are fixed with screws, and gaps are generated during installation. Based on the above defects and deficiencies, it is necessary to improve the existing technology and design a waterproof and sealed junction box.

Summary of the invention

The main technical problem solved by the present invention is to provide a waterproof sealed junction box, which has a simple structure, is easy to install and disassemble, can achieve the effect of sealing and waterproofing, and can avoid the problem of poor sealing effect caused by repeated disassembly and assembly.

In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a waterproof sealed junction box, which includes a junction box body, an upper cover, a button lock and a mounting bracket. The upper end of the junction box body is equipped with an upper cover that matches it, and the upper cover is fixed to the junction box body by a button lock, and the mounting bracket is clamped on the bottom of the junction box body.

Preferably, the main body of the junction box is composed of a shell and a colloid. The shell is rectangular in shape, a built-in space is provided on the shell, a rectangular groove is provided on the upper end surface of the shell, and a colloid is injected into the rectangular groove. The colloid is used to seal the connection between the main body of the junction box and the upper cover; the four walls of the shell are symmetrically provided with insertion holes, and the insertion holes are injected with colloid. When the line is connected, the plug pierces the colloid at the insertion hole, and the colloid is tightly attached to the four sides of the connector, which has a waterproof and sealing effect; four button lock mounting holes are provided at the four corners of the upper end of the shell, and the upper part of the button lock mounting hole is toward A locking block is extended outside, and the locking block is semicircular in shape. The locking block consists of a guide part and a limiting part. The aperture of the guide part is larger than that of the limiting part. A transverse locking slot is provided at the bottom of the limiting part, and the top surface of the locking slot gradually decreases in a clockwise direction. A bracket mounting hole is provided at the bottom of the shell, and limiting slots are provided at the bottom of the shell on both sides of the mounting hole. The limiting slots are flat cone-shaped from bottom to top, and a colloid is provided on the inner side of the limiting slot. A glue injection channel connected to the rectangular slot, the insertion hole and the limiting slot is provided in the shell to facilitate the integrated molding of the colloid.

Preferably, the upper cover comprises an upper cover body, a frame and reinforcing ribs, the upper cover body is provided with a frame extending downward on all sides, the upper cover body and the frame are fixedly connected at the joint by reinforcing ribs, the upper cover body is in a conical shape, and the conical upper cover body is convenient for rainwater, dust and the like to fall off; downwardly extending button lock mounting parts are provided at the four corners of the upper cover body, the button lock mounting parts are composed of guide inclined holes and mounting holes connected in sequence, four anti-retreat grooves are arranged in an array on the guide inclined holes, a limit block is provided on the inner wall of the mounting hole, and an avoidance slot is also provided on the guide inclined hole; a clamping strip is provided on the bottom surface of the frame protruding downward, the clamping strip is opposite to the rectangular clamping slot, and the clamping strip can be inserted into the rectangular clamping slot.

Preferably, the button lock consists of a button lock and a button lock rod connected in sequence, the button lock cap is conical, a flat groove is provided on the top of the button lock cap, the flat groove is convenient for screwdriver installation, an indicator protrusion is extended outward from the top of the button lock cap on one side of the flat groove, the indicator protrusion is triangular, and position marks "0" and "1" cooperating with the indicator protrusion are provided on the button lock mounting portion, and two anti-retraction bosses are symmetrically provided on the arc surface of the button lock cap, and the anti-retraction bosses can be used in conjunction with the anti-retraction groove; the button lock rod is columnar, and a downward pressure block is extended outward from the side of the button lock rod, and the upper end face of the downward pressure block is a guiding arc surface, and the downward pressure block is used in conjunction with the locking slot.

Preferably, the mounting bracket comprises a mounting portion, a fixing portion and a clamping portion, the fixing portion is provided in the middle of the mounting portion, and two opposite clamping portions are provided at the ends of the mounting portion on both sides of the fixing portion, the mounting portion is in the shape of an elongated strip, and a first mounting hole and a second mounting hole are provided on the mounting portion, the first mounting hole and the second mounting hole are in the shape of a strip, the first mounting hole is arranged horizontally, and the second mounting hole is arranged vertically, during installation, the screw passes through the first mounting hole and the second mounting hole and is screwed to the surface to be installed, when the screw is not tightened, the arrangement of the horizontal first mounting hole and the vertical second mounting hole facilitates the adjustment of the installation position of the mounting bracket; the fixing portion is in the shape of a column, the cross section of the fixing portion is in the shape of a plum blossom, and plum blossom-shaped protrusions are equidistantly provided on the outer side surface of the fixing portion, and the plum blossom-shaped protrusions are used to clamp the bracket mounting hole; the clamping portion is in the shape of a flat cone, and the clamping portion can be inserted into the limiting card slot, and the opposite surface of the clamping portion is provided with a clamping barb, the clamping barb points obliquely downward, and the clamping barb cooperates with the colloid in the limiting card slot to ensure that the junction box body is firmly fixed on the mounting bracket.

Compared with the prior art, the present invention has the following beneficial effects:

The structure is simple, and the arrangement of the first transverse mounting hole and the second longitudinal mounting hole facilitates the adjustment of the mounting position;

The main body of the junction box and the mounting bracket are fixed by snap-fitting, which is convenient for installation and disassembly;

The colloid at the insertion hole is close to the plug-in, which can achieve the effect of waterproof sealing and replace the sealing device with complex structure;

The top surface of the locking slot is set to gradually decrease in the clockwise direction, ensuring that the knob lock is pressed downward during rotation without the need for additional downward pressure, thus replacing the existing threaded connection.

The anti-retraction boss of the button lock cooperates with the anti-retraction groove to prevent the button lock from loosening.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic structural diagram of a waterproof sealed junction box.

FIG. 2 is a cross-sectional view of a waterproof sealed junction box.

FIG. 3 is a schematic diagram of the main structure of a waterproof sealed junction box.

FIG. 4 is a partial enlarged view of FIG. 3 .

FIG. 5 is a second structural schematic diagram of a junction box body of a waterproof sealed junction box.

FIG. 6 is a schematic diagram of the upper cover structure of a waterproof sealed junction box.

FIG. 7 is a partial enlarged view of FIG. 6 .

FIG8 is a cross-sectional view of an upper cover of a waterproof sealed junction box.

FIG. 9 is a schematic diagram of a knob lock structure of a waterproof sealed junction box.

FIG. 10 is a schematic diagram of a mounting bracket structure of a waterproof sealed junction box.

DETAILED DESCRIPTION

The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

Please refer to Figures 1 to 10, the embodiment of the present invention includes:

A waterproof sealed junction box, which includes a junction box body 1, an upper cover 2, a button lock 3 and a mounting bracket 4. The upper end of the junction box body 1 is equipped with an upper cover 2 that matches it, and the upper cover 2 is fixed to the junction box body 1 through the button lock 3. The mounting bracket 4 is clamped at the bottom of the junction box body 1.

The junction box body 1 is composed of a shell 11 and a colloid 12. The shell 11 is rectangular, and a built-in space is provided on the shell 11. A rectangular groove 111 is provided on the upper end surface of the shell 11. The rectangular slot 111 is injection-molded with a colloid 12. The colloid here is used to seal the connection between the junction box body 1 and the upper cover 2; the four walls of the shell 11 are symmetrically provided with insertion holes 112, and the insertion holes 112 are injection-molded with colloid 12. When the line is connected, the plug pierces the colloid at the insertion hole 112, and the colloid is tightly attached to the four sides of the connector, which has a waterproof and sealing effect; four button lock mounting holes 113 are provided at the four corners of the upper end of the shell 11, and a locking block 114 is extended outward from the upper part of the button lock mounting hole 113. The locking block 114 is semicircular in shape, and the locking block 114 consists of a guiding portion 1141 and a limiting portion 1142. The aperture of the guiding portion 1141 is larger than that of the limiting portion 1142. A transverse locking slot 1140 is provided at the bottom of the limiting portion 1142, and the top surface of the locking slot 1140 gradually decreases in a clockwise direction. A bracket mounting hole 115 is provided at the bottom of the shell 11, and limiting slots 116 are provided at the bottom of the shell 11 on both sides of the mounting hole 115. The limiting slots 116 are flat cone-shaped from bottom to top, and a colloid 12 is provided on the inner side of the limiting slot 116. A glue injection channel connected to the rectangular slot 111, the insertion hole 112 and the limiting slot 116 is provided in the shell 11 to facilitate the integrated molding of the colloid 12.

The upper cover 2 includes an upper cover body 21, a frame 22 and a reinforcing rib 23. The upper cover body 21 is provided with a frame 22 extending downward on all sides. The upper cover body 21 and the frame 22 are fixedly connected by the reinforcing rib 23 at the connection point. The upper cover body 21 is in a conical shape, and the conical upper cover body 21 is convenient for rainwater, dust, etc. to fall off; the four corners of the upper cover body 21 are provided with a downwardly extending button lock mounting part 211, and the button lock mounting part 211 is composed of a guide inclined hole and a mounting hole connected in sequence. Four anti-retreat grooves 2110 are arranged in an array on the guide inclined hole, a limit block 2111 is provided on the inner wall of the mounting hole, and an avoidance slot 2112 is also provided on the guide inclined hole; the bottom surface of the frame 22 is provided with a clamping strip 221 protruding downward, and the clamping strip 221 is opposite to the rectangular clamping slot 111, and the clamping strip 221 can be inserted into the rectangular clamping slot 111.

The button lock 3 is composed of a button lock cap 31 and a button lock rod 32 connected in sequence. The button lock cap 31 is conical in shape, and a flat groove 310 is provided on the top of the button lock cap 31 for easy installation with a screwdriver. An indicating protrusion 311 is extended outward from the top of the button lock cap 31 on one side of the flat groove 310, and the indicating protrusion 311 is triangular in shape. Position marks "0" and "1" cooperating with the indicating protrusion 311 are provided on the button lock mounting portion 211. Two anti-retraction bosses 312 are symmetrically provided on the arc surface of the button lock cap 31, and the anti-retraction bosses 312 can be used in conjunction with the anti-retraction groove 2110; the button lock rod 32 is columnar in shape, and a lower pressing block 321 is extended outward from the side of the button lock rod 32. The upper end face of the lower pressing block 321 is a guiding arc surface, and the lower pressing block 321 is used in conjunction with the locking slot 1140.

The mounting bracket 4 includes a mounting portion 41, a fixing portion 42 and a clamping portion 43. The fixing portion 42 is provided in the middle of the mounting portion 41, and two opposite clamping portions 43 are provided at the ends of the mounting portion 41 on both sides of the fixing portion 42. The mounting portion 41 is in a strip shape, and a first mounting hole 411 and a second mounting hole 412 are provided on the mounting portion 41. The first mounting hole 411 and the second mounting hole 412 are in a strip shape, the first mounting hole 411 is arranged horizontally, and the second mounting hole 412 is arranged vertically. When installing, the screws pass through the first mounting hole 411 and the second mounting hole 412 and are screwed to the surface to be installed. When the screws are not tightened, the first mounting hole 411 and the second mounting hole 412 are arranged horizontally. The arrangement of the mounting hole 411 and the second longitudinal mounting hole 412 facilitates adjustment of the mounting position of the mounting bracket 4; the fixing portion 42 is columnar, the cross section of the fixing portion 42 is plum blossom-shaped, and plum blossom-shaped protrusions 421 are equidistantly arranged on the outer side surface of the fixing portion 42, and the plum blossom-shaped protrusions 421 are used to clamp the bracket mounting hole 124; the clamping portion 43 is flat conical, and the clamping portion 43 can be inserted into the limiting slot 125, and a clamping hook 431 is arranged on the opposite surface of the clamping portion 43, and the clamping hook 431 points obliquely downward, and the clamping hook 431 cooperates with the colloid in the limiting slot 125 to ensure that the junction box body 1 is firmly fixed on the mounting bracket 4.

When assembling a waterproof sealed junction box of the present invention, the mounting bracket 4 is fixed, and the screws are passed through the first mounting hole 411 and the second mounting hole 412 to be screwed onto the surface to be installed. When the screws are not tightened, the arrangement of the first horizontal mounting hole 411 and the second longitudinal mounting hole 412 facilitates the adjustment of the mounting position of the mounting bracket 4. The junction box body 1 is mounted on the mounting bracket 4, and the bracket mounting hole 115 at the bottom of the shell 11 is inserted into the fixing part 42. The plum blossom-shaped protrusion 421 is used to clamp the bracket mounting hole 124. At the same time, the two clamping parts 43 are inserted into the limiting card slot 116, and the clamping barb 431 cooperates with the colloid in the limiting card slot 125 to ensure that the junction box body 1 is firmly fixed on the mounting bracket 4. When the line is connected, the plug The colloid at the insertion hole 112 is punctured, and the colloid is tightly attached to the four sides of the connector to achieve a waterproof and sealing effect. The upper cover 2 is assembled onto the junction box body 1, and the card strip 221 is inserted into the rectangular card slot 111. The button lock mounting portion 211 is opposite to the button lock mounting hole 113. The pressing block 321 of the button lock 3 passes through the avoidance slot 2112 to the guide portion 1141. The upper end surface of the pressing block 321 contacts the top surface of the locking slot 1140. The button lock 3 is rotated clockwise, and the top surface of the locking slot 1140 gradually decreases in the clockwise direction. With the cooperation of the top surface of the locking slot 1140, the button lock 3 is pressed downward during rotation to achieve a sealing effect. The anti-retraction boss 312 of the button lock 3 cooperates with the anti-retraction groove 2110 to prevent the button lock 3 from loosening.

The present invention discloses a waterproof sealed junction box, which has a simple structure and is easy to install and disassemble, and can achieve the effect of sealing and waterproofing, and can avoid the problem of poor sealing effect caused by repeated disassembly and assembly.

The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims (3)

1. A waterproof sealed junction box, characterized in that: the waterproof sealed junction box comprises a junction box body, an upper cover, a button lock and a mounting bracket, the upper end of the junction box body is equipped with an upper cover that matches with it, the upper cover is fixed to the junction box body by a button lock, and the bottom of the junction box body is clamped with a mounting bracket; The main body of the junction box is composed of a shell and a colloid, the shell is rectangular, a built-in space is provided on the shell, a rectangular groove is provided on the upper end surface of the shell, a colloid is injected into the rectangular card slot, the four walls of the shell are symmetrically provided with insertion holes, and a colloid is injected at the insertion holes, four button lock mounting holes are provided at the four corners of the upper end of the shell, and a locking block is provided at the upper part of the button lock mounting hole, and the locking block is semicircular, and the locking block is composed of a guide part and a limiting part, the aperture of the guide part is larger than the aperture of the limiting part, and a transverse locking slot is provided at the bottom of the limiting part, and the top surface of the locking slot gradually decreases in a clockwise direction; a bracket mounting hole is provided at the bottom of the shell, and limiting card slots are provided at the bottom of the shell on both sides of the mounting hole, and the limiting card slots are flat and conical from bottom to top, and a colloid is provided on the inner side of the limiting card slot, and a glue injection flow channel connected with the rectangular card slot, the insertion hole and the limiting card slot is provided in the shell; The upper cover comprises an upper cover body, a frame and reinforcing ribs. The upper cover body is provided with a frame extending downward on all sides. The upper cover body and the frame are fixedly connected at the connection points by reinforcing ribs. The upper cover body is in a cone shape. The four corners of the upper cover body are provided with a downward extending button lock mounting part. The button lock mounting part is composed of a guide inclined hole and a mounting hole connected in sequence. Four anti-retreat grooves are arranged in an array on the guide inclined hole, a limit block is provided on the inner wall of the mounting hole, and an avoidance slot is also provided on the guide inclined hole; a card strip is protruding downward on the bottom surface of the frame, and the card strip is opposite to the rectangular card slot, and the card strip can be inserted into the rectangular card slot. 2. A waterproof sealed junction box according to claim 1, characterized in that: the button lock is composed of a button lock and a button lock rod connected in sequence, the button lock cap is conical, a flat groove is provided on the top of the button lock cap, an indicator protrusion is extended outward from the top of the button lock cap on one side of the flat groove, the indicator protrusion is triangular, and position marks "0" and "1" cooperating with the indicator protrusion are provided on the button lock mounting part, and two anti-retreat bosses are symmetrically provided on the arc surface of the button lock cap, and the anti-retreat bosses can be used in conjunction with the anti-retreat groove; the button lock rod is columnar, and a downward pressure block is extended outward from the side of the button lock rod, and the upper end face of the downward pressure block is a guide arc surface, and the downward pressure block is used in conjunction with the locking slot hole. 3. A waterproof sealed junction box according to claim 1, characterized in that: the mounting bracket comprises a mounting portion, a fixing portion and a clamping portion, the mounting portion is provided with a fixing portion in the middle, and the ends of the mounting portion on both sides of the fixing portion are provided with two opposite clamping portions, the mounting portion is in the shape of an elongated strip, and the mounting portion is provided with a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are in the shape of a strip, the first mounting hole is arranged horizontally, and the second mounting hole is arranged longitudinally, the fixing portion is in the shape of a column, the cross-section of the fixing portion is in the shape of a plum blossom, and the outer side surface of the fixing portion is equidistantly provided with plum blossom-shaped protrusions, which are used to clamp the bracket mounting hole; the clamping portion is in the shape of a flat cone, and the opposite surface of the clamping portion is provided with a clamping hook, the clamping hook points obliquely downward, and the clamping hook cooperates with the colloid in the limiting groove.