CN210091991U - DC relay with circuit board - Google Patents
DC relay with circuit board Download PDFInfo
- Publication number
- CN210091991U CN210091991U CN201921066608.9U CN201921066608U CN210091991U CN 210091991 U CN210091991 U CN 210091991U CN 201921066608 U CN201921066608 U CN 201921066608U CN 210091991 U CN210091991 U CN 210091991U
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- circuit board
- out piece
- lower cavity
- cavity
- lower shell
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Abstract
The utility model discloses a direct current relay with a circuit board, which comprises a lower shell, a cover plate, a circuit board and a lead-out sheet; the lower shell is provided with an upper cavity with an upward opening and used for mounting the magnetic circuit part, the bottom of the lower shell is also provided with a lower cavity with a downward opening, the circuit board is mounted in the lower cavity, and the cover plate is mounted at the opening of the lower cavity so as to seal the circuit board in the lower cavity; the lead-out piece is fixed at the lower shell in a clamping mode, one end of the lead-out piece is fixed with the circuit board in the lower cavity and electrically connected, and the other end of the lead-out piece and one side edge of the lower shell form a pluggable electric connection socket so as to electrically connect the circuit board with the outside. The utility model discloses a this kind of structure has the characteristics that the parts machining is with low costs, and the processing degree of difficulty is little.
Description
Technical Field
The utility model relates to a relay technical field especially relates to a direct current relay of band circuit board.
Background
A relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.
The dc relay is one of relays, and in the related art, a circuit board is provided for implementing a certain function, for example, an energy-saving circuit board is provided for implementing an energy-saving function, and the circuit board is generally electrically connected to the outside through a lead tab. The direct current relay with the circuit board in the prior art is used for the lead-out sheet connected with the circuit board to be fixed in the relay by adopting an integral injection molding mode, so that the defects of high part processing cost and high processing difficulty are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a direct current relay of band circuit board, through the improvement to the extraction structure who is used for the connecting circuit board, have that the parts machining cost is low, the characteristics that the processing degree of difficulty is little.
The utility model provides a technical scheme that its technical problem adopted is: a direct current relay with a circuit board comprises a lower shell, a cover plate, the circuit board and a lead-out sheet; the lower shell is provided with an upper cavity with an upward opening and used for mounting the magnetic circuit part, the bottom of the lower shell is also provided with a lower cavity with a downward opening, the circuit board is mounted in the lower cavity, and the cover plate is mounted at the opening of the lower cavity so as to seal the circuit board in the lower cavity; the lead-out piece is fixed at the lower shell in a clamping mode, one end of the lead-out piece is fixed with the circuit board in the lower cavity and electrically connected, and the other end of the lead-out piece and one side edge of the lower shell form a pluggable electric connection socket so as to electrically connect the circuit board with the outside.
One end of the leading-out piece is fixed with the circuit board in the lower cavity through soldering and is electrically connected.
The bottom of one side of the lower shell protrudes outwards to form a convex part, the lower cavity of the lower shell extends into the convex part, the top of the convex part is provided with an enclosing wall protruding upwards, and the other end of the lead-out piece penetrates through the top wall of the lower cavity at the position of the convex part to extend into a cavity enclosed by the enclosing wall and form the pluggable electric connection socket with the enclosing wall.
Draw forth the piece and be equipped with the barb structure, it fixes to draw forth the piece through barb structure joint the roof of the lower cavity of convex part position department.
The leading-out piece is supported on the inner side of the top wall of the lower cavity of the lower shell through the cover plate, and one end of the leading-out piece is bent and downwards inserted into a connecting hole of the circuit board to be fixed through tin soldering and realize electric connection.
The other end of the leading-out piece bends and upwards penetrates out of the top wall of the lower cavity at the position of the convex part and extends into the cavity enclosed by the surrounding wall, and the barb structure of the leading-out piece is arranged at the bottom of the leading-out piece, which is bent towards the upper section.
The cover plate is provided with a plurality of upward ribs, and the horizontal section of the leading-out piece is propped against the inner side of the top wall of the lower cavity of the lower shell by the cover plate through the support of the ribs.
The top wall of the lower cavity of the lower shell is also provided with a downward bulge, and the bulge is arranged at a position close to the downward bending position of one end of the leading-out piece so as to limit the horizontal section of the leading-out piece to move towards one end of the leading-out piece.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses owing to adopted and to draw forth the piece and fix through the joint mode casing department down, the one end that will draw forth the piece is in down in the cavity with circuit board is fixed mutually and realize the electricity and connect, the other end that will draw forth the piece with a side of casing constitutes pluggable electricity and connects socket down, in order to realize circuit board and outside electricity are connected. The utility model discloses a this kind of structure has the characteristics that the parts machining is with low costs, and the processing degree of difficulty is little.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment.
Drawings
Fig. 1 is an exploded perspective view (bottom up) of an embodiment of the present invention;
fig. 2 is a sectional view of a part of the structure of an embodiment of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Detailed Description
Examples
Referring to fig. 1 to 3, a dc relay with a circuit board of the present invention includes a lower case 1, a cover plate 2, a circuit board 3 and a lead-out piece 4; the lower shell 1 is provided with an upper cavity 11 with an upward opening and used for installing a magnetic circuit part, the bottom of the lower shell 1 is also provided with a lower cavity 12 with a downward opening, the circuit board 3 is installed in the lower cavity 12, and the cover plate 2 is installed at the opening of the lower cavity 12 of the lower shell 1 so as to seal the circuit board 3 in the lower cavity 12; the lead-out piece 4 is fixed at the lower shell 1 in a clamping manner, one end 41 of the lead-out piece 4 is fixed with the circuit board 3 in the lower cavity 12 and is electrically connected, and the other end 42 of the lead-out piece 4 and one side edge of the lower shell 1 form a pluggable electric connection socket 10 so as to realize the electric connection of the circuit board 3 and the outside.
In this embodiment, one end of the tab 4 is fixed to the circuit board 3 in the lower cavity 12 by soldering, and is electrically connected thereto.
In this embodiment, the bottom of one side of the lower housing 1 protrudes outward to form a protrusion 13, the lower cavity 12 of the lower housing extends into the protrusion 13, the top of the protrusion is provided with a surrounding wall 14 protruding upward, and the other end 42 of the tab 4 penetrates through the top wall of the lower cavity at the position of the protrusion to extend into a cavity 15 surrounded by the surrounding wall 14, and forms the pluggable electrical connection socket 10 with the surrounding wall 14.
In this embodiment, draw forth piece 4 and be equipped with barb structure 43, draw forth piece 4 and fix through barb structure 43 joint under casing 1 the roof of the lower cavity of convex part position department.
In this embodiment, the tab 4 is supported by the cover plate 2 and abuts against the inner side of the top wall of the lower cavity 12 of the lower housing 1, and one end 41 of the tab 4 is bent downward to form a bent downward section and inserted into a connection hole of the circuit board 3 to be fixed and electrically connected by soldering.
In this embodiment, the other end 42 of the lead-out piece 4 is bent upward to form a bent upward section, which penetrates through the top wall of the lower cavity at the position of the convex part and extends into the cavity 15 surrounded by the surrounding walls, and the barb structure 43 of the lead-out piece 4 is arranged at the bottom of the bent upward section 42 of the lead-out piece.
In this embodiment, the cover plate 2 is provided with a plurality of upward ribs 21, and the cover plate 2 supports the horizontal section 44 of the lead-out piece 4 against the inner side of the top wall of the lower cavity 12 of the lower housing 1 through the plurality of ribs 21.
In this embodiment, a downward protrusion 16 is further disposed on the top wall of the lower cavity of the lower housing, and the protrusion 16 is disposed at a position close to the end of the tab 4 and bent downward to limit the horizontal segment 44 of the tab from moving toward the end of the tab.
The utility model discloses a direct current relay of tape unit board has adopted and will draw forth piece 4 and fix through the joint mode 1 department of casing down, will draw forth piece 4 one end 41 in the cavity down with circuit board 3 is fixed mutually and realizes the electricity and connect, will draw forth piece 4 the other end 42 with a side of casing constitutes pluggable electricity and connects socket 10 down, in order to realize the circuit board is connected with outside electricity. The utility model discloses a this kind of structure has the characteristics that the parts machining is with low costs, and the processing degree of difficulty is little.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. A direct current relay with a circuit board comprises a lower shell, a cover plate, the circuit board and a lead-out sheet; the lower shell is provided with an upper cavity with an upward opening and used for mounting the magnetic circuit part, the bottom of the lower shell is also provided with a lower cavity with a downward opening, the circuit board is mounted in the lower cavity, and the cover plate is mounted at the opening of the lower cavity so as to seal the circuit board in the lower cavity; the method is characterized in that: the lead-out piece is fixed at the lower shell in a clamping mode, one end of the lead-out piece is fixed with the circuit board in the lower cavity and electrically connected, and the other end of the lead-out piece and one side edge of the lower shell form a pluggable electric connection socket so as to electrically connect the circuit board with the outside.
2. The direct current relay with circuit board according to claim 1, characterized in that: one end of the leading-out piece is fixed with the circuit board in the lower cavity through soldering and is electrically connected.
3. The direct current relay with circuit board according to claim 2, characterized in that: the bottom of one side of the lower shell protrudes outwards to form a convex part, the lower cavity of the lower shell extends into the convex part, the top of the convex part is provided with an enclosing wall protruding upwards, and the other end of the lead-out piece penetrates through the top wall of the lower cavity at the position of the convex part to extend into a cavity enclosed by the enclosing wall and form the pluggable electric connection socket with the enclosing wall.
4. The direct current relay with circuit board according to claim 3, characterized in that: draw forth the piece and be equipped with the barb structure, it fixes to draw forth the piece through barb structure joint the roof of the lower cavity of convex part position department.
5. The direct current relay with circuit board according to claim 3, characterized in that: the leading-out piece is supported on the inner side of the top wall of the lower cavity of the lower shell through the cover plate, and one end of the leading-out piece is bent and downwards inserted into a connecting hole of the circuit board to be fixed through tin soldering and realize electric connection.
6. The direct current relay with circuit board according to claim 5, characterized in that: the other end of the leading-out piece bends and upwards penetrates out of the top wall of the lower cavity at the position of the convex part and extends into the cavity enclosed by the surrounding wall, and the barb structure of the leading-out piece is arranged at the bottom of the leading-out piece, which is bent towards the upper section.
7. The direct current relay with circuit board according to claim 6, characterized in that: the cover plate is provided with a plurality of upward ribs, and the horizontal section of the leading-out piece is propped against the inner side of the top wall of the lower cavity of the lower shell through the support of the ribs.
8. The direct current relay with circuit board according to claim 7, characterized in that: the top wall of the lower cavity of the lower shell is also provided with a downward bulge, and the bulge is arranged at a position close to the downward bending position of one end of the leading-out piece so as to limit the horizontal section of the leading-out piece to move towards one end of the leading-out piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921066608.9U CN210091991U (en) | 2019-07-09 | 2019-07-09 | DC relay with circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921066608.9U CN210091991U (en) | 2019-07-09 | 2019-07-09 | DC relay with circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210091991U true CN210091991U (en) | 2020-02-18 |
Family
ID=69485142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921066608.9U Active CN210091991U (en) | 2019-07-09 | 2019-07-09 | DC relay with circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210091991U (en) |
-
2019
- 2019-07-09 CN CN201921066608.9U patent/CN210091991U/en active Active
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