CN208706484U - A kind of push switch - Google Patents

Abstract

The utility model provides a kind of push switch, is related to technical field of electrical equipment.The push switch includes pedestal and shell, pedestal is equipped with static contact, static contact is equipped with the first contact, the top of static contact is equipped with movable contact spring, the top of movable contact spring is equipped with impeller, movable contact spring is equipped with the second contact that can be abutted with the first contact, impeller light-permeable, static contact further include: circuit board and illuminating part, circuit board are fixedly connected with pedestal, and the first contact and illuminating part are both connected on the circuit of circuit board, first contact is contacted with the second contact, the circuit of circuit board is connected, so that illuminating part shines, the light of sending penetrates impeller.Push switch provided by the utility model, needs to be arranged hollow portion and light guide member, and the overall volume that the setting of hollow portion will lead to switch increases, and the setting of light guide member will lead to that construction of switch is complex, and increase the cost of parts and assembly cost of switch.

Description

A kind of push switch

Technical field

The utility model relates to technical field of electrical equipment more particularly to a kind of push switches.

Background technique

Switch is the electronic component of the state that is turned on or off for control circuit.Have out in many electronic equipments It closes, such as socket, computer, calculator, automatically-controlled door and various communication electronic devices used in life etc..

Fig. 1 is the main view of push switch in the prior art.As shown in Figure 1, existing push switch includes: 01 He of pedestal Shell 02, shell 02 include: outer cover body 021 and extension 022, be arranged in extension 022 ratchet 03 and with upper ratchet 03 ratcheting bottom ratchet wheel 04, the top of upper ratchet 03 are provided with button 07, and for pressing upper ratchet 03, upper ratchet 03 is set It is equipped with hollow portion 031, which is provided with indicator light 05.For the light-output for issuing indicator light 05, so that switch is outer Portion has light to show, is provided with light guide member 06 between the top and button 07 of indicator light 05, and the light guide member 06 with press Button 07 is fixedly connected.The lower section of bottom ratchet wheel 04 is equipped with the spring 08 for making bottom ratchet wheel 04 have upper bullet trend, and the lower section of spring 08 is set It is equipped with moving contact 09, the lower section of moving contact 09 is provided with static contact 010, and moving contact 09 and static contact 010 are fixed with pedestal 01 Connection.When moving contact 09 and static contact 010 contact, indicator light 05 shines；When moving contact 09 and static contact 010 do not contact, instruction Lamp 05 does not shine.

As it can be seen that above-mentioned push switch when being judged the conducting and off-state of circuit in equipment using indicator light 05, is needed The light guide member 06 of the hollow portion 031 and the light-output for issuing indicator light 05 that accommodate indicator light 05 is set, hollow portion 031 The inner space that switch can additionally be occupied is set, the overall volume of switch is caused to increase；The setting of light guide member 06 will lead to out It is complex to close structure, and increases the cost of parts and assembly cost of switch.

Utility model content

The embodiments of the present invention provide a kind of push switch, judge in equipment to solve using indicator light When the conducting and off-state of circuit, need to be arranged the leaded light of the hollow portion for accommodating indicator light and the light-output for issuing indicator light Component, the overall volume that the setting of hollow portion will lead to switch increase, and it is more multiple that the setting of light guide member will lead to construction of switch It is miscellaneous, and the problem of increase the cost of parts and assembly cost of switch.

In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that

A kind of push switch, comprising: pedestal and the shell connecting with the pedestal are provided with static contact on the pedestal, It is provided with the first contact on the static contact, movable contact spring, the top setting of the movable contact spring are provided with above the static contact There is impeller, the movable contact spring is provided with the second contact that can be abutted with first contact, the movable contact spring and the shell It is fixedly connected, and short transverse can move up and down along the outer shell, the impeller light-permeable, the static contact also wraps Include: circuit board and illuminating part, first contact and the illuminating part are electrically connected with the circuit board；

First contact is contacted with second contact, the circuit conducting of the circuit board, so that the illuminating part is sent out The light of light, sending penetrates the impeller；First contact is not contacted with second contact, and the circuit of the circuit board is disconnected It opens.

Optionally, the shell includes: the extension of outer cover body and the short transverse stretching along the shell, described to push away Moving part is located in the extension and can move up and down along the short transverse of the shell, and the bottom of the impeller is provided with company Fitting.

Optionally, the impeller includes: the first push rod and the second push rod, and first pushing rod sleeve is set to described second and pushes away On the side wall of bar.

Optionally, first push rod and second push rod are respectively positioned on the light direction of the illuminating part.

Optionally, guide rail is provided on the pedestal, the connector is on the guide rail along the height side of the shell To that can move up and down, the connector is set to the top of second contact, is arranged on the side wall of the connector flexible Part.

Optionally, the bottom setting of the connector is fluted, and the top of second contact can be caught in the groove, and The top of the groove and second contact is adapted.

Optionally, the movable contact spring includes: the movable contact spring ontology being fixedly connected with the shell, fixinig plate and connect institute The tabs between movable contact spring ontology and the fixinig plate is stated, relative to the movable contact spring ontology, the tabs is bent downwardly.

Optionally, first contact and second contact are silver contact or tungsten copper contact.

Optionally, the illuminating part is LED light.

Optionally, the circuit of the circuit board further include: first resistor, second resistance and diode, the first resistor, The second resistance, the illuminating part and the diode are sequentially connected.

The push switch provided by the embodiment of the utility model it can be seen from above-mentioned technical proposal, by the way that static contact is arranged And movable contact spring, static contact include: the first contact, illuminating part and circuit board, and the first contact and hair are arranged on the circuit of circuit board The second contact is arranged in light part on movable contact spring, and the first contact is contacted with the second contact, the circuit conducting of circuit board, so that shining Part shines；First contact is not contacted with the second contact, and the circuit of circuit board disconnects, and illuminating part does not shine；Between shell and pedestal Form internal cavities, be provided with static contact on pedestal, static contact the space occupied be formed between shell and pedestal it is interior A part of portion's cavity, static contact include that circuit board and illuminating part are shone by the way that illuminating part to be arranged on the circuit of circuit board Part the space occupied is a part of the internal cavities formed between shell and pedestal, and the receiving of indicator light in the prior art There is no the internal cavities formed between shell and pedestal in space, but by the way that in upper ratchet, (upper ratchet is located at shell and bottom The top of internal cavities formed between seat) it is intermediate hollow portion is set, using the hollow portion as the accommodation space of indicator light, this As soon as sample, indicator light in the prior art additionally occupies the volume of switch, and on circuit boards by illuminating part setting, it shines Part would not additionally occupy the volume of switch, and the overall volume of switch can be made to reduce；By the way that the impeller of light-permeable is arranged, replace For the light guide member for switching setting in the prior art, the light that illuminating part is issued is directed through impeller, so as to To judge the conducting and off-state of circuit in equipment by the way that whether switch shows light, due to no setting is required light guide section Part, therefore solve in the prior art that construction of switch is complex, and increase the cost of parts and assembly cost of switch Problem.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, embodiment or the prior art will be retouched below Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings.

Fig. 1 is the main view of push switch in the prior art；

Fig. 2 is the structural schematic diagram of the push switch in the utility model embodiment；

Fig. 3 is the main view of the push switch in the utility model embodiment；

Fig. 4 is the structural schematic diagram of the first push rod and the second push rod in the utility model embodiment；

Fig. 5 is the first push rod and the second push rod working principle diagram in the utility model embodiment；

Fig. 6 is the structural schematic diagram of the circuit board in the utility model embodiment；

Fig. 7 is the circuit diagram of the circuit board in the utility model embodiment.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical Novel limitation.

Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two It is a or more than two.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Referring to fig. 2, the push switch shown in 3 and 6.Push switch provided by the utility model includes: pedestal 1 and and pedestal The shell 2 of 1 connection, is provided with static contact 3 on pedestal 1, and the first contact 31, the top setting of static contact 3 are provided on static contact 3 There is movable contact spring 4, the top of movable contact spring 4 is provided with impeller 6, and movable contact spring 4 is provided with the second touching that can be abutted with the first contact 31 Point 41, movable contact spring 4 is fixedly connected with shell 2, and can be moved up and down along the short transverse of shell 2,6 light-permeable of impeller, quiet Contact 3 further include: circuit board 33 and illuminating part 32, circuit board 33 are fixedly connected with pedestal 1, and the first contact 31 and illuminating part 32 are equal It is electrically connected with circuit board 33；First contact 31 is contacted with the second contact 41, the circuit conducting of circuit board 33, so that illuminating part 32 It shines, the light of sending penetrates impeller 6；First contact 31 is not contacted with the second contact 41, and the circuit of circuit board 33 disconnects, and is shone Part 32 does not shine, and light does not penetrate impeller 6.Impeller 6 is used to push movable contact spring 4 along the short transverse of shell 2, so that dynamic touching Second contact 41 of piece 4 contacts or separates with the first contact 31 of static contact 3.Internal sky is formd between shell 2 and pedestal 1 Chamber is provided with static contact 3 on pedestal 1, and 3 the space occupied of static contact is the internal cavities formed between shell 2 and pedestal 1 A part, static contact 3 include that circuit board 33 and illuminating part 32 are sent out by the way that illuminating part 32 to be arranged on the circuit of circuit board 33 32 the space occupied of light part is a part of the internal cavities formed between shell 2 and pedestal 1, and indicator light in the prior art Accommodation space there is no the internal cavities that are formed between shell and pedestal, but by the way that in upper ratchet, (upper ratchet is located at outer The top of the internal cavities formed between shell and pedestal) it is intermediate hollow portion is set, using the hollow portion as the receiving of indicator light Space, so, indicator light in the prior art just additionally occupy the volume of switch, and illuminating part 32 is arranged in circuit On plate 33, illuminating part 32 would not additionally occupy the volume of switch, and the overall volume of switch can be made to reduce；It can be saturating by setting The impeller 6 of light, instead of the light guide member for switching setting in the prior art, the light that illuminating part 32 is issued is directly thoroughly Impeller 6 is crossed, so as to judge the conducting and off-state of circuit in equipment by the way that whether switch shows light, due to No setting is required light guide member, so that construction of switch is simple, and reduces the cost of parts of switch and asking for assembly cost Topic.

Optionally, illuminating part 32 has following several: LED light, fluorescent lamp, halide lamp and incandescent lamp, and the present embodiment is selected LED light, this is because LED light energy conservation and environmental protection, long service life, stability is good, and the response time is short.

Optionally, the first contact 31 and the second contact 41 are silver contact or tungsten copper contact, but not limited to this, it can also Think other contacts, such as tungsten point, silver-colored tungsten point.

Exemplary, movable contact spring 4 includes: the movable contact spring ontology 42 being fixedly connected with shell 2, fixinig plate 43 and connect dynamic touching Tabs 44 between piece ontology 42 and fixinig plate 43, relative to movable contact spring ontology 42, tabs 44 is bent downwardly.

Shell 2 includes: the extension 22 of outer cover body 21 and the short transverse stretching along shell 2, setting in extension 22 There is the impeller 6 that the short transverse along shell 2 can move up and down, the bottom of impeller 6 is provided with connector 8.

Exemplary, the lower surface 212 of outer cover body 21 is provided with overlap joint column 5, and movable contact spring 4 is fixedly connected with overlap joint column 5.It needs It is noted that outer cover body 21 has opposite upper surface 211 and lower surface 212, direction shell 2 constitutes interior with pedestal 1 The side of portion's cavity is lower surface 212, and for lower surface 212, side directed in opposite directions is upper surface 211.

Guide rail 9 is provided on pedestal 1, connector 8 can move up and down along the short transverse of shell 2 on the rail 9, connector 8 are set to the top of the second contact 41, are arranged with elastic component 7 on the side wall of connector 8, and connector 8 is towards stretching inside elastic component 7 Out.Elastic component 7 is sheathed on the lateral wall of connector 8 in the present embodiment, and the top without being directly arranged at connector 8 in this way may be used To protect elastic component 7, when preventing external forces larger, so that the deflection of elastic component 7 is excessive, elastic component 7 can be shortened in this way Service life.

Optionally, elastic component 7 be helical spring or rubber spring, the present embodiment can be selected it is therein any one, and It is not limited only to this.

Optionally, connector 8 is glue nail.The present embodiment selects glue nail to be used as connector 8, is because rubber is with good Damping, buffering, waterproof, the effect of insulation.

Exemplary, the bottom setting fluted 81 of connector 8, the top of the second contact 31 can be caught in groove 81, and groove 81 are adapted that (adaptable meaning refers to: the width of groove 81 and the width phase of the second contact 41 with the top of the second contact 41 Deng or it is approximately equal；Wherein, approximately equal to refer to: the difference of the width at the top of groove 81 and the second contact 41 is far smaller than groove The width at the top of 81 width or the second contact 41, it may also be said to, the difference of the width at the top of groove 81 and the second contact 41 Less than a threshold values).Groove 81 plays fixed effect to the second contact 41, so that movable contact spring 4 is moved to close to static contact 3 When position, the second contact 41 can occur inclined with the first accurately contact of contact 31 without the position because of the second contact 41 It moves, prevent the second contact 41 and the first contact 31 be from contacting or only contacting a part, so as to cause the first contact 31 It is deteriorated with the electric conductivity of the second contact 41.

Impeller 6 has following several: the first, impeller 6 includes: the first push rod 61 and the second push rod 62, the first push rod 61 are sheathed on the side wall of the second push rod 62；Second, impeller 6 is the pushing block of a cylindrical body or cube；The third, pushes away Moving part 6 is the pushing block connection of two cylindrical bodies or cube.The present embodiment selects the first impeller.

Exemplary, referring to fig. 4 and shown in 5, the first push rod 61 is provided with multiple upper teeth 611, and upper tooth 611 is provided with protrusion L, Second push rod 62 is provided with multiple lower tooths 621, and lower tooth 621 is provided with recess portion m and limit inclined-plane n, the extension 22 of shell 2 it is interior Side wall 221 is provided with bracket muscle 220, and bracket muscle 220 is between two adjacent upper teeth 611 or two adjacent lower tooths 621. Specifically, when the first push rod 61 is by external force, the first push rod 61 is moved downward, and the protrusion L of upper tooth 611 is in lower tooth 621 It is moved in recess portion m, in the recess portion n that bracket muscle 220 is moved to lower tooth 621 outside the recess portion n of lower tooth 621, with continuing for external force Increase, the protrusion L of upper tooth 611 removes the recess portion n of lower tooth 621, and bracket muscle 220 is stuck in the recess portion n of lower tooth 621, at this point, second Push rod 62 fixes the first push rod 61；When the first push rod 61 again by external force when, the protrusion L of upper tooth 611 is moved to The limit inclined-plane m of lower tooth 621, bracket muscle 220 remove the recess portion m of lower tooth 621, until the protrusion L of upper tooth 611 is fully removed lower tooth 621 limit inclined-plane n, bracket muscle 220 are also fully removed between limit inclined-plane n to adjacent two upper teeth 611 of lower tooth 621 Position.

Optionally, the first push rod 61 and the second push rod 62 are light-permeables.The present embodiment selects the first of light-permeable to push away The light that bar 61 and the second push rod 62 can be such that illuminating part 32 issues directly is observed through the first push rod 61 and the second push rod 62 by people It arrives, does not need that light guide member is installed again, saved the cost of parts and assembly cost of switch.

Exemplary, the first push rod 61 and the second push rod 62 are respectively positioned on the light direction of illuminating part 32.Setting can be in this way So that the wide part that illuminating part 32 issues penetrates the first push rod 61 and the second push rod 62, it will not be because of there is blocking for shell 2 to make The wide part that issues of illuminating part 32 is blocked, and the first push rod 61 and the second push rod 62 cannot be penetrated, i.e. illuminating part 32 Light intensity is weakened, and is unfavorable for human eye and is directly observed, and makes standard to the conducting of circuit in equipment and off-state to influence people True judgement.

Optionally, referring to shown in Fig. 6 and 7, the circuit of circuit board 33 further include: the pole L, first resistor R1, second resistance R2, the pole diode D1 and N, first resistor R1, second resistance R2, illuminating part 32 and diode D1 are sequentially connected, and resistance R1 One end connect with the pole L, the output end of diode D1 is connect with the pole N.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (10)

1. a kind of push switch, comprising: pedestal and the shell connecting with the pedestal are provided with static contact on the pedestal, institute It states and is provided with the first contact on static contact, movable contact spring is provided with above the static contact, is provided with above the movable contact spring Impeller, the movable contact spring are provided with the second contact that can be abutted with first contact, and the movable contact spring and the shell are solid Fixed connection, and short transverse can move up and down along the outer shell, which is characterized in that the impeller light-permeable, it is described quiet Contact further include: circuit board and illuminating part, the circuit board are fixedly connected with the base, first contact and it is described shine Part is electrically connected with the circuit board；

First contact is contacted with second contact, the circuit conducting of the circuit board, so that the illuminating part shines, hair Light out penetrates the impeller；First contact is not contacted with second contact, and the circuit of the circuit board disconnects.

2. push switch according to claim 1, which is characterized in that the shell includes: outer cover body and along described outer The extension that the short transverse of shell is stretched out, the impeller are located in the extension and along the short transverse energy of the shell Lower movement, the bottom of the impeller are provided with connector.

3. push switch according to claim 2, which is characterized in that the impeller includes: that the first push rod and second push away Bar, first pushing rod sleeve are set on the side wall of second push rod.

4. push switch according to claim 3, which is characterized in that first push rod and second push rod are respectively positioned on On the light direction of the illuminating part.

5. push switch according to claim 2, which is characterized in that be provided with guide rail, the connector on the pedestal Short transverse on the guide rail along the shell can move up and down, and the connector is set to the upper of second contact It is square, elastic component is arranged on the side wall of the connector.

6. push switch according to claim 2, which is characterized in that the bottom setting of the connector is fluted, described The top of second contact can be caught in the groove, and the top of the groove and second contact is adapted.

7. push switch according to claim 1, which is characterized in that the movable contact spring includes: and the shell is fixed and connected The tabs between movable contact spring ontology, fixinig plate and the connection movable contact spring ontology and the fixinig plate connect, relative to described Movable contact spring ontology, the tabs are bent downwardly.

8. push switch according to claim 1, which is characterized in that first contact and second contact are silver Contact or tungsten copper contact.

9. push switch according to claim 1, which is characterized in that the illuminating part is LED light.

10. push switch according to claim 1, which is characterized in that the circuit of the circuit board further include: the first electricity Resistance, second resistance and diode, the first resistor, the second resistance, the illuminating part and the diode are sequentially connected.