Disclosure of Invention
The utility model aims at providing a sealed controller subassembly that prevents dust in area, it is difficult to collide with the pencil, has water-proof effects.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
a controller dustproof assembly with a seal comprises a circuit board, wherein a binding post, a socket, a relay and a capacitor are arranged on the circuit board, an installation pit is formed in the upper surface of a lower shell, and the circuit board is connected with a bottom screw of the installation pit; the lower surface of the upper shell is provided with a first accommodating pit, the circuit board is arranged between the upper shell and the lower shell, and the edge of the upper shell is in screw connection with the edge of the lower shell; one end of the first accommodating pit protrudes upwards to form a second accommodating pit, and the relay and the capacitor are sealed in the second accommodating pit; the upper shell is provided with a first through hole, the socket is inserted into the first through hole, and the wiring terminal penetrates through the upper shell; the dustproof cover is connected with the upper shell through screws, a third accommodating pit is formed in the lower surface of the dustproof cover, and the dustproof cover covers the upper surface of the upper shell; the side wall of the dustproof cover is provided with a notch, and the wire harness fixing strip is arranged at the position of the notch and is clamped and fixed by the dustproof cover and the upper shell.
On the basis of the above scheme and as a preferable scheme of the scheme: the inner wall shape of the mounting pit is matched with the outer contour shape of the circuit board.
On the basis of the above scheme and as a preferable scheme of the scheme: be equipped with the fixture block on the socket, seted up the draw-in groove on the lateral wall of first through-hole, the fixture block imbeds and forms the buckle in the draw-in groove and connect to the top surface of socket and the upper surface parallel and level of last casing.
On the basis of the above scheme and as a preferable scheme of the scheme: a circular second through hole is formed in the upper shell, and the binding post is inserted into the second through hole; the baffle is arranged between two adjacent second through holes and is formed by the protrusion of the upper shell.
On the basis of the above scheme and as a preferable scheme of the scheme: one side of the notch in the third accommodating pit protrudes downwards to form a fourth accommodating pit, and the wire harness fixing strip is embedded into the fourth accommodating pit to form fixing; the upper surface of the upper shell is provided with a groove consistent with the outline of the dustproof cover, the groove is filled with a silica gel sealing strip, and the dustproof cover is embedded into the silica gel strip to form a sealing effect.
On the basis of the above scheme and as a preferable scheme of the scheme: the depth of the groove was 1.5 mm.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
1. the controller dustproof component with the seal of the utility model wraps the circuit board between the lower shell and the upper shell, and the upper shell is covered with the dustproof cover, thus realizing the double protection effects of sealing and dust prevention; the components and the wiring harness on the circuit board cannot be collided, so that the circuit board is not easy to age and has long service life;
2. the upper shell is provided with bulges in shape so as to adapt to different circuit components, so that the circuit board can be better wrapped, and the sealing effect is good;
3. go up to be equipped with the silica gel sealing strip on the casing by the shield gomphosis, can play dustproof, water-proof effects, the practicality is stronger.
Drawings
Fig. 1 is a schematic diagram of the overall explosion structure of the present invention.
Fig. 2 is a schematic view of the installation structure of the present invention.
Fig. 3 is a schematic back structure diagram of the upper housing of the present invention.
Fig. 4 is a schematic back structure diagram of the dust cover of the present invention.
Reference numerals: the circuit board 01, a wiring terminal 010, a socket 011, a fixture block 0110, a relay 012, a capacitor 013, a lower housing 02, a mounting pit 020, an upper housing 03, a first accommodating pit 030, a second accommodating pit 031, a first through hole 032, a clamping groove 0320, a second through hole 033, a baffle 034, a groove 035, a wire harness fixing strip 04, a dust cover 05, a third accommodating pit 050, a notch 051 and a fourth accommodating pit 052;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with specific embodiments in conjunction with the accompanying drawings; the described embodiments are only some, but not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention;
the embodiment provides a controller dustproof assembly with a seal, which comprises a circuit board 01, wherein a wiring terminal 010, a socket 011, a relay 012 and a capacitor 013 are arranged on the circuit board 01, and the circuit board 01, the wiring terminal 010, the socket 011, the relay 012 and the capacitor 013 are all universal standard parts or parts known by those skilled in the art, so that the details are not repeated herein;
the wire harness fixing device further comprises a lower shell 02, an upper shell 03, a wire harness fixing strip 04 and a dust cover 05; the lower shell 02 and the upper shell 03 are connected through screws, the circuit board 01 is sealed between the lower shell 02 and the upper shell 03, the upper shell 03 is connected with the dust cover 05 through screws, and the wire harness fixing strip 04 is arranged between the dust cover 05 and the upper shell 03 and used for conducting wire connection;
the lower shell 02 is integrally extruded and formed, the upper surface of the lower shell 02 is provided with an installation pit 020, the circuit board 01 is placed in the installation pit 020, the circuit board 01 is connected with the bottom of the installation pit 020 through screws, and the screws are connected to facilitate disassembly and assembly; preferably, the shape of the inner wall of the mounting pit 020 is matched with the shape of the outer contour of the circuit board 01, so that the circuit board 01 is mounted on the lower shell 02 more compactly and is not easy to fall off, and the whole sealing performance is ensured;
a first accommodating pit 030 is formed in the lower surface of the upper shell 03, the circuit board 01 is arranged between the upper shell 03 and the lower shell 02, and the edge of the upper shell 03 is in screw connection with the edge of the lower shell 02; the circuit board 01 is wrapped in a cavity formed by the first accommodating pit 030 and the mounting pit 020, so that the circuit board 01 and circuit components are not easy to collide, and the wire harness is not easy to age;
one end of the first receiving pit 030 protrudes upwards to form a second receiving pit 031, the relay 012 and the capacitor 013 are sealed in the second receiving pit 031, and the height of the relay 012 and the height of the capacitor 013 are larger than that of other circuit components, so the second receiving pit 031 which needs to protrude is convenient to install and can be suitable for other large-sized circuit components; the upper shell 03 is provided with a first through hole 032, the socket 011 is inserted into the first through hole 032, the wiring terminal 010 penetrates through the upper shell 03, and the socket 011 and the wiring terminal 010 are used for connecting a wire;
the dustproof cover 05 is in screwed connection with the upper shell 03, the screwed connection is convenient to disassemble and assemble, a third accommodating pit 050 is formed in the lower surface of the dustproof cover 05, the dustproof cover 05 covers the upper surface of the upper shell 03, and a second accommodating pit 031, a wiring terminal 010 and the like are wrapped in the third accommodating pit 050, so that the sealing requirements on all parts are met, and the dustproof effect is better; a notch 051 is formed in the side wall of the dustproof cover 05, other parts of the dustproof cover 05 are closely attached to the upper shell 03, the wiring harness fixing strip 04 is arranged at the position of the notch 051 and is clamped and fixed by the dustproof cover 05 and the upper shell 03, and the wiring harness fixing strip 04 is used for enabling a lead on the circuit board 01 to penetrate out to be connected with an external electric appliance;
the assembling process comprises the following steps: the circuit board 01 is electrically connected with various circuit components, the circuit board 01 is placed in the lower shell 02 and connected through screws, the upper shell 03 is covered on the lower shell 02 and connected through screws, the wiring harness fixing strips 04 are placed in the positions of the notches 051 of the dustproof cover 05, and the dustproof cover 05 covers the upper shell 03 and is connected through screws; the three-layer protection, sealed effectual, dustproof effectual, the pencil is difficult to be collided with, and life is permanent.
Further, a clamping block 0110 is arranged on the socket 011, the clamping block 0110 is wedge-shaped and is convenient to insert, a clamping groove 0320 is formed in the side wall of the first through hole 032, the clamping groove 0320 is a square hole, the clamping block 0110 is embedded into the clamping groove 0320 to form a clamping connection, the clamping connection enables the upper shell 03 to be not easily separated from the lower shell 02, the socket 011 is connected with the circuit board 01, the circuit board 01 is connected with the lower shell 02, the clamping block 0110 is equivalent to clamping the upper shell 03, double guarantee is achieved, the top surface of the socket 011 is flush with the upper surface of the upper shell 03, and the flush can have a better sealing effect;
furthermore, a circular second through hole 033 is formed in the upper shell 03, the terminal 010 is used to form the second through hole 033, and the terminal 010 is cylindrical, so that the second through hole 033 is also circular and is convenient to match; a baffle 034 is arranged between two adjacent second through holes 033, the baffle 034 is formed by protruding the upper shell 03, the baffle 034 can play a role in separating from the wiring terminal 010, the phenomenon of short circuit caused by later lead connection is avoided, and the service life is prolonged;
furthermore, one side of a notch 051 on the third accommodating pit 050 protrudes downwards to form a fourth accommodating pit 052, the wire harness fixing strip 04 is embedded into the fourth accommodating pit 052 to form fixation, the size and the depth of the fourth accommodating pit 052 are determined according to the requirement of the wire harness fixing strip 04, the wire harness fixing strip 04 is embedded into the fourth accommodating pit 052 to be fixed more firmly, the sealing performance is improved, the movement and dislocation are not easy to occur, and the dustproof effect is better;
go up the upper surface of casing 03 and offer the recess 035 unanimous with the outline of shield 05, the intussuseption of recess 035 is filled with the silica gel sealing strip, and the degree of depth of recess 035 is 1.5 millimeters, and the silica gel strip forms sealed effect in the shield 05 gomphosis, and the silica gel sealing strip has played dustproof, water-proof effects, and life increases greatly, has reduced user's replacement cost.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that one skilled in the art conventionally understands, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.