CN210182264U - Key indication type double-way key switch - Google Patents
Key indication type double-way key switch Download PDFInfo
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- CN210182264U CN210182264U CN201921191009.XU CN201921191009U CN210182264U CN 210182264 U CN210182264 U CN 210182264U CN 201921191009 U CN201921191009 U CN 201921191009U CN 210182264 U CN210182264 U CN 210182264U
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Abstract
The utility model belongs to the technical field of button indication type switch, a button indication type double-circuit button switch is disclosed, include: the double-way key switch, the pressing shell and the indicating lamp circuit are arranged on the shell; a guide limiting column is arranged on the shell of the two-way key switch, and the axial direction of the guide limiting column is consistent with the pressing direction of a ratchet switch of the two-way key switch; the pressing shell is provided with a guide limiting hole, and the pressing shell is sleeved on the guide limiting column through the guide limiting hole; the indicator light circuit includes: the circuit body and the first joint and the second joint thereof; the first joint and the second joint are fixed on the pressing shell; wherein, the pilot lamp circuit still includes: a first conductive spring and a second conductive spring; the first end of the first conductive spring is abutted against a first path conductive contact piece of the two-way key switch, the second end of the first conductive spring is abutted against the first connector, the first end of the second conductive spring is abutted against a second path conductive contact piece of the two-way key switch, and the second end of the second conductive spring is abutted against the second connector.
Description
Technical Field
The utility model relates to a button indication type switch technical field, in particular to button indication type double-circuit button switch.
Background
The key indication type switch is widely applied to various electrical products and mainly comprises a key switch and an indicator light circuit; two power ends of the indicator light circuit are respectively welded on a zero line and a live line where the key switch is located through two wires, so that the indicator light circuit is powered on immediately after the key switch is switched on, and the working state of the key switch is indicated. Along with the application of automatic assembly production line, the wire is also difficult to control because current button indicating type switch needs the welding, leads to assembly efficiency lower, and assembly quality is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a button indication type double-circuit key switch solves among the prior art button indication type switch assembly inefficiency, the poor technical problem of assembly quality.
In order to solve the technical problem, the utility model provides a button indication type double-circuit key switch, include: the double-way key switch, the pressing shell and the indicating lamp circuit are arranged on the shell;
a guide limiting column is arranged on the shell of the two-way key switch, and the axial direction of the guide limiting column is consistent with the pressing direction of a ratchet switch of the two-way key switch;
the pressing shell is provided with a guide limiting hole, and the pressing shell is sleeved on the guide limiting column through the guide limiting hole;
the indicator light circuit includes: the circuit comprises a circuit body and a first connector and a second connector which are respectively arranged at two power supply ends of the circuit body;
the circuit main body is fixed in the pressing shell, and the first joint and the second joint are fixed on the pressing shell;
wherein, the pilot lamp circuit still includes: a first conductive spring and a second conductive spring;
the first end of the first conductive spring is abutted against a first path of conductive contact of the two-way key switch, the second end of the first conductive spring is abutted against the first connector, the first end of the second conductive spring is abutted against a second path of conductive contact of the two-way key switch, and the second end of the second conductive spring is abutted against the second connector.
Further, the first conductive spring and the second conductive spring are arranged in a pressing direction of the ratchet switch.
Furthermore, a conductive spring limiting hole is formed in the shell of the two-way key switch, and the first conductive spring and the second conductive spring are embedded in the conductive spring limiting hole respectively.
Furthermore, two ends of the conductive spring limiting hole are respectively provided with a conductive limiting barrel pipe which extends axially, and the first conductive spring and the second conductive spring are respectively embedded in the conductive limiting barrel pipe.
Further, the two-way key switch further comprises: a balance spring;
the balance spring and the first conductive spring are arranged in parallel, a first end of the balance spring abuts against the pressing shell, and a second end of the balance spring abuts against the two-way key switch.
Furthermore, a balance spring limiting hole is formed in the shell of the two-way key switch, and the balance spring is embedded in the balance spring limiting hole;
and the second end of the balance spring is abutted against the base of the two-way key switch.
Furthermore, two ends of the balance spring limiting hole are respectively provided with a balance limiting barrel pipe which extends axially, and the balance spring is embedded in the balance limiting barrel pipe.
Further, the indicator light circuit includes: the LED module comprises a PCB substrate, and a diode D1, a resistor R1, a light emitting diode, a first connector and a second connector which are arranged on the PCB substrate;
the anode of the diode D1 is connected to the first connector, the cathode of the diode D1 is connected to the anode of the LED through the resistor R1, and the cathode of the LED is connected to the second connector.
Further, the two-way key switch includes: the base, the first way of contact piece, the second way of contact piece, the ratchet switch, the shell and the pressing plate;
the first contact piece comprises: a first stationary contact and a first movable contact;
the second way contact includes: a second stationary contact and a second movable contact;
the first static contact piece and the first movable contact piece are fixed on the base, and the second static contact piece are fixed on the base;
the first end of the first conductive spring is abutted against the first static contact piece or the first movable contact piece, and the first end of the second conductive spring is abutted against the second static contact piece or the second movable contact piece;
the ratchet switch includes: the large gear, the small gear and the return spring are sequentially nested;
the shell is provided with a ratchet switch hole, the inner wall of the ratchet switch hole is provided with a support rib matched with the large gear, and the large gear is fixed in the ratchet switch hole;
the top of the pressure plate is provided with a boss which is embedded in the end part of the reset spring, and the bottom of the pressure plate is abutted against the elastic action parts of the first movable contact spring and the second movable contact spring;
the shell is provided with a guide limiting groove along the pressing direction of the ratchet switch, and the end part of the pressing plate is embedded in the guide limiting groove.
Furthermore, two clamping grooves are formed in the bottom of the pressing plate, and the pressing plate abuts against the elastic action parts of the first movable contact spring and the second movable contact spring through the two clamping grooves respectively.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the key indication type double-way key switch provided by the embodiment of the application, the first conductive spring and the second conductive spring are used as conductive media to be connected between the two power connectors of the indicator light circuit and the two contact pieces of the double-way key switch, which are respectively in one-to-one correspondence with each other, so that welding and related complex operation are avoided, a simple, convenient and quick assembly process is realized, and the assembly efficiency is greatly improved; meanwhile, the elastic property of the spring is utilized to keep the stable and reliable electric connection between the indicator light circuit and the double-way switch, so that the operation stability and the indication reliability of the indicator light circuit are ensured. It is worth mentioning that the quality of the assembly can be kept at a high level due to the simple and controllable assembly of the spring.
Drawings
Fig. 1 is an exploded schematic view of a key-indicating two-way key switch according to a first embodiment of the present invention;
fig. 2 is an exploded schematic view of a related structure of an indicator light circuit according to an embodiment of the present invention;
FIG. 3 is a schematic view of the assembled state of FIG. 2;
fig. 4 is a schematic view of an assembly structure of a conductive spring and a balance spring according to an embodiment of the present invention;
FIG. 5 is a top view of FIG. 4;
fig. 6 is a schematic structural diagram of a housing according to a first embodiment of the present invention;
FIG. 7 is a schematic diagram of the inverted state of FIG. 6;
fig. 8 is a schematic structural view of a pressing housing according to a first embodiment of the present invention;
fig. 9 is a schematic view of an assembly state structure of a key indication type two-way key switch according to a first embodiment of the present invention;
fig. 10 is a schematic structural diagram of a housing according to a second embodiment of the present invention;
FIG. 11 is a schematic diagram of the inverted state of FIG. 10;
fig. 12 is a schematic structural view of a pressing housing according to a second embodiment of the present invention;
fig. 13 is an assembly state structural diagram of a two-way push-button switch of the push-button indication type provided by the second embodiment of the present invention;
fig. 14 is a schematic view of an assembly structure of a conductive spring and a balance spring according to a second embodiment of the present invention;
FIG. 15 is a top view of FIG. 14;
fig. 16 is a schematic structural diagram of an indicator light circuit according to a first embodiment of the present invention.
Detailed Description
The embodiment of the application provides a button indication type double-circuit button switch, and solves the technical problems that in the prior art, the button indication type switch is low in assembly efficiency and poor in assembly quality.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the present disclosure, and it should be understood that the specific features in the embodiments and examples of the present disclosure are detailed descriptions of the technical solutions of the present disclosure, but not limitations of the technical solutions of the present disclosure, and the technical features in the embodiments and examples of the present disclosure may be combined with each other without conflict.
A key indicating two-way key switch comprising: a double-way key switch, a pressing shell 8 and an indicator light circuit 7; namely, the framework of the indicating type key switch based on the existing key switch, the indicating lamp circuit and the pressing shell is optimized so as to meet the requirements of automatic assembly pairing efficiency, assembly line equipment scale and assembly quality.
The scheme of the embodiment of the present application will be specifically described below.
Example one
Referring to fig. 1, fig. 2, fig. 3, fig. 6, fig. 7 and fig. 8, a guide limiting column 58 is arranged on the housing of the two-way key switch, and the axial direction of the guide limiting column 58 is consistent with the pressing direction of the ratchet switch of the two-way key switch; a guide limiting hole 83 is formed in the pressing shell 8, and the pressing shell 8 is sleeved on the guide limiting column 58 through the guide limiting hole 83; therefore, the pressing operation of the pressing shell 8 and the pressing operation of the ratchet switch can be unified together, and convenient switch operation is achieved.
In this embodiment, the indicator light circuit 7 includes: a first connector 71 and a second connector 72 which are respectively arranged on the circuit main body and two power supply ends of the circuit main body; the circuit main body is fixed in the pressing housing 8, and the first connector 71 and the second connector 72 are fixed on the pressing housing 8; generally, the first joint 71 and the second joint 72 are connected to the neutral wire and the live wire, respectively, and welding is generally required in the prior art. In the embodiment, the connection relation between the indicating lamp circuit and the two-way key switch is innovated, the assembly process is greatly simplified, and the assembly quality is improved.
In this embodiment, the indicator light circuit 7 further includes: a first conductive spring 61 and a second conductive spring 62; the first end of the first conductive spring 61 abuts against the first path conductive contact of the two-way key switch, the second end of the first conductive spring 61 abuts against the first connector 71, the first end of the second conductive spring 62 abuts against the second path conductive contact of the two-way key switch, and the second end of the second conductive spring 62 abuts against the second connector 72.
That is, the first conductive spring 61 and the second conductive spring 62 are used as conductive media and are respectively connected to two contacts of a two-way key switch, and once the two-way key switch is closed and conducted, the indicator light circuit 7 is electrically conducted. It should be noted that, under the action of the elastic restoring force, two ends of the first conductive spring 61 and the second conductive spring 62 can stably abut against the two-way conductive contact piece and the first connector 71 and the second connector 72, so as to achieve a stable contact conductive state, so that when the two-way key switch is turned on or off, the indicator light circuit can rapidly respond to indicate the on-off state thereof.
In order to ensure the reliability of the spring structure state, the first conductive spring 61 and the second conductive spring 62 are arranged in the pressing direction of the ratchet switch; that is, the axial directions of the first conductive spring 61 and the second conductive spring 62 coincide with the pressing direction of the ratchet switch, and the ratchet switch, the first conductive spring 61, and the second conductive spring 62 simultaneously act and compress when the pressing housing 8 is pressed.
A conductive spring limiting hole is formed in the shell of the two-way key switch, and the first conductive spring 61 and the second conductive spring 62 are respectively embedded in the conductive spring limiting hole; specifically, in this embodiment, two through holes are formed in the housing of the two-way key switch at positions corresponding to the first conductive spring 61 and the second conductive spring 62, so that the first conductive spring 61 and the second conductive spring 62 can pass through the through holes conveniently, and more importantly, the first conductive spring 61 and the second conductive spring 62 can be fixed to limit radial displacement thereof, thereby avoiding irregular deformation and maintaining elastic recovery performance of the first conductive spring 61 and the second conductive spring 62.
It should be noted that two ends of the conductive spring limiting hole are respectively provided with a conductive limiting bobbin, namely a first conductive limiting bobbin 52 and a second conductive limiting bobbin 53, which are axially extended and arranged, and the first conductive spring 61 and the second conductive spring 62 are respectively and correspondingly fixed, so as to further limit radial deformation.
Further, the two-way key switch further comprises: a balance spring 63; the balance spring 63 is arranged in parallel with the first conductive spring 61, a first end of the balance spring 63 abuts against the pressing housing 8, and a second end of the balance spring 63 abuts against the two-way key switch, so that at least three elastic support structures are formed between the pressing housing 8 and the two-way key switch, and the stability of the posture of the pressing housing 8 is ensured, that is, the number of the balance spring 63 is at least one.
Similarly, a balance spring limiting hole is formed in the shell of the two-way key switch, and the balance spring 63 is embedded in the balance spring limiting hole; the first end of the balance spring 63 abuts against the pressing shell, and the second end of the balance spring 63 abuts against the base of the two-way key switch.
Further, two ends of the balance spring limiting hole are respectively provided with a balance limiting barrel pipe 54 which extends axially, and the balance spring 63 is embedded in the balance limiting barrel pipe 54.
Referring to fig. 16, the indicator light circuit includes: the LED comprises a PCB substrate, a diode D1, a resistor R1, a light emitting diode, a first connector 71 and a second connector 72, wherein the diode D1, the resistor R1, the light emitting diode, the first connector 71 and the second connector 72 are arranged on the PCB substrate; the anode of the diode D1 is connected to the first connector 71, the cathode of the diode D1 is connected to the anode of the light emitting diode through the resistor R1, and the cathode of the light emitting diode is connected to the second connector 72.
Referring to fig. 4, 5 and 9, the two-way key switch provided in the present embodiment includes: base 1, first way contact, second way contact, ratchet switch, shell 5 and clamp plate 3.
The first contact piece comprises: a first stationary contact piece 21 and a first movable contact piece 22; the second way contact includes: a second stationary contact piece 23 and a second movable contact piece 24; the first static contact piece 21 and the first movable contact piece 22 are fixed on the base 1, and the second static contact piece 23 and the second static contact piece 24 are fixed on the base 1.
Referring to fig. 4, 5, 14 and 15, a first end of the first conductive spring 61 abuts against the first fixed contact piece 21 or the first movable contact piece 22, and a first end of the second conductive spring 62 abuts against the second fixed contact piece 23 or the second movable contact piece 24; it should be noted that, in order to fix the conductive spring to the movable contact piece, fixing bosses are provided on both the first movable contact piece 22 and the second movable contact piece 24 for being sleeved in the conductive spring.
The ratchet switch, as a common switch structure, includes: a large gear 43, a small gear 42 and a return spring 41 which are nested in sequence; the shell 5 is provided with a ratchet switch hole 51, the inner wall of the ratchet switch hole 51 is provided with a support rib matched with the large gear 43, and the large gear 43 is fixed in the ratchet switch hole 51.
The top of the pressing plate 3 is provided with a boss, the boss is embedded in the end of the return spring 41, and the bottom of the pressing plate 3 abuts against the elastic action parts of the first movable contact piece 22 and the second movable contact piece 24 for pressing the elastic action parts to be closed.
The shell 5 is provided with a guide limiting groove 57 along the pressing direction of the ratchet switch, and the end part of the pressing plate 3 is embedded in the guide limiting groove 57, so that the guide of the pressing direction of the ratchet switch is realized, the displacement of the ratchet switch is limited, and the pressing quality is ensured.
Further, two clamping grooves are formed in the bottom of the pressing plate 3, and the pressing plate 3 abuts against the elastic action portions of the first movable contact piece 22 and the second movable contact piece 24 through the two clamping grooves respectively.
In this embodiment, in order to form a good and beautiful indication effect on the pressing housing 8, the top of the pressing housing is etched into a specific shape, and a material with a good light transmission effect is used here, so that light can be conveniently transmitted out, and a beautiful and soft image can be presented. In order to further limit the escape of excess light, a light-blocking sheet 81 is added on top of the press housing 8, in a position corresponding to the specific shape, in a state of reduced thickness, so that light penetration is facilitated there.
It should be noted that, in order to facilitate the smoothness of the pressing guide, the pressing housing 8 is provided with a first support lug 82, the guide limiting hole 83 is formed in the first support lug 82, correspondingly, the housing 5 is also provided with a second support lug 55, and the guide limiting column 58 is correspondingly fixed on the second support lug 55; further, a radial expansion 59 may be provided at the head end of the guide stopper post 58 to restrict the guide stopper hole 83 from being disengaged.
Generally, by adjusting the cross-sectional area and position of the guide limit post 8 so that it can smoothly move in the guide limit hole 83, the cross-section of the radially enlarged portion 59 is slightly larger than the cross-sectional area of the guide limit post 8 but slightly smaller than the cross-section of the guide limit hole 83, but the center of the radially enlarged portion is slightly offset from the center of the guide limit hole 83, so that it can be ensured that the radially enlarged portion 59 restricts its detachment in a normal state.
Example two
On the basis of the first embodiment, the positions of the guide limiting hole 83 and the guide limiting column 58 are exchanged to obtain another combined structure scheme.
In particular.
Referring to fig. 10, 11, 12, 13 and 14, the second guide limit hole 56, the second guide limit post 85 and the second radially enlarged portion 86 of the end thereof are obtained by exchanging.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the key indication type double-way key switch provided by the embodiment of the application, the first conductive spring and the second conductive spring are used as conductive media to be connected between the two power connectors of the indicator light circuit and the two contact pieces of the double-way key switch, which are respectively in one-to-one correspondence with each other, so that welding and related complex operation are avoided, a simple, convenient and quick assembly process is realized, and the assembly efficiency is greatly improved; meanwhile, the elastic property of the spring is utilized to keep the stable and reliable electric connection between the indicator light circuit and the double-way switch, so that the operation stability and the indication reliability of the indicator light circuit are ensured. It is worth mentioning that the quality of the assembly can be kept at a high level due to the simple and controllable assembly of the spring.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A key indication type two-way key switch, comprising: the double-way key switch, the pressing shell and the indicating lamp circuit are arranged on the shell;
a guide limiting column is arranged on the shell of the two-way key switch, and the axial direction of the guide limiting column is consistent with the pressing direction of a ratchet switch of the two-way key switch;
the pressing shell is provided with a guide limiting hole, and the pressing shell is sleeved on the guide limiting column through the guide limiting hole;
the indicator light circuit includes: the circuit comprises a circuit body and a first connector and a second connector which are respectively arranged at two power supply ends of the circuit body;
the circuit main body is fixed in the pressing shell, and the first joint and the second joint are fixed on the pressing shell;
wherein, the pilot lamp circuit still includes: a first conductive spring and a second conductive spring;
the first end of the first conductive spring is abutted against a first path of conductive contact of the two-way key switch, the second end of the first conductive spring is abutted against the first connector, the first end of the second conductive spring is abutted against a second path of conductive contact of the two-way key switch, and the second end of the second conductive spring is abutted against the second connector.
2. The key indicating two-way key switch of claim 1, wherein: the first conductive spring and the second conductive spring are arranged in a pressing direction of the ratchet switch.
3. The key indicating two-way key switch of claim 1, wherein: a conductive spring limiting hole is formed in the shell of the two-way key switch, and the first conductive spring and the second conductive spring are embedded in the conductive spring limiting hole respectively.
4. A key indicating two-way key switch according to claim 3, wherein: the two ends of the conductive spring limiting hole are respectively provided with a conductive limiting barrel pipe which extends axially, and the first conductive spring and the second conductive spring are respectively embedded in the conductive limiting barrel pipes.
5. The key indicating two-way key switch of claim 1, further comprising: a balance spring;
the balance spring and the first conductive spring are arranged in parallel, a first end of the balance spring abuts against the pressing shell, and a second end of the balance spring abuts against the two-way key switch.
6. The key indicating two-way key switch of claim 5, wherein; a balance spring limiting hole is formed in the shell of the two-way key switch, and the balance spring is embedded in the balance spring limiting hole;
and the second end of the balance spring is abutted against the base of the two-way key switch.
7. The key indicating two-way key switch of claim 6, wherein: the two ends of the balance spring limiting hole are respectively provided with a balance limiting barrel pipe which extends axially, and the balance spring is embedded in the balance limiting barrel pipe.
8. The key indicating two-way key switch of claim 1, wherein: the indicator light circuit includes: the LED module comprises a PCB substrate, and a diode D1, a resistor R1, a light emitting diode, a first connector and a second connector which are arranged on the PCB substrate;
the anode of the diode D1 is connected to the first connector, the cathode of the diode D1 is connected to the anode of the LED through the resistor R1, and the cathode of the LED is connected to the second connector.
9. A key indicating two-way key switch according to any one of claims 1 to 8, wherein said two-way key switch comprises: the base, the first way of contact piece, the second way of contact piece, the ratchet switch, the shell and the pressing plate;
the first contact piece comprises: a first stationary contact and a first movable contact;
the second way contact includes: a second stationary contact and a second movable contact;
the first static contact piece and the first movable contact piece are fixed on the base, and the second static contact piece are fixed on the base;
the first end of the first conductive spring is abutted against the first static contact piece or the first movable contact piece, and the first end of the second conductive spring is abutted against the second static contact piece or the second movable contact piece;
the ratchet switch includes: the large gear, the small gear and the return spring are sequentially nested;
the shell is provided with a ratchet switch hole, the inner wall of the ratchet switch hole is provided with a support rib matched with the large gear, and the large gear is fixed in the ratchet switch hole;
the top of the pressure plate is provided with a boss which is embedded in the end part of the reset spring, and the bottom of the pressure plate is abutted against the elastic action parts of the first movable contact spring and the second movable contact spring;
the shell is provided with a guide limiting groove along the pressing direction of the ratchet switch, and the end part of the pressing plate is embedded in the guide limiting groove.
10. The key indication type two-way key switch according to claim 9, wherein two locking grooves are formed at a bottom of the pressing plate, and the pressing plate abuts against the elastic action portions of the first movable contact and the second movable contact through the two locking grooves, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921191009.XU CN210182264U (en) | 2019-07-26 | 2019-07-26 | Key indication type double-way key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921191009.XU CN210182264U (en) | 2019-07-26 | 2019-07-26 | Key indication type double-way key switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210182264U true CN210182264U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921191009.XU Active CN210182264U (en) | 2019-07-26 | 2019-07-26 | Key indication type double-way key switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210182264U (en) |
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2019
- 2019-07-26 CN CN201921191009.XU patent/CN210182264U/en active Active
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