CN217847762U - Button switch without lock - Google Patents

Abstract

The application discloses no lock button switch relates to the switch field, and it includes the casing, slides the button that sets up on the casing, sets up conducting block on the button, sets up a plurality of movable contacts on the conducting block, a plurality of stitch, a plurality of stationary contacts that set up respectively on different stitches and the reset spring who sets up on the button in the casing, each the stationary contact is located the removal route of different movable contacts respectively, the stationary contact is arranged along the direction of pressing of button with corresponding movable contact in proper order, reset spring is used for driving the movable contact to the direction removal that is close to the stationary contact. The method has the effects of expanding the class of the lock-free switch and improving the applicability of the lock-free switch.

Description

Button switch without lock

Technical Field

The application relates to the field of switches, in particular to a lock-free button switch.

Background

The button switch without lock is one kind of switch for controlling the on-off of the circuit.

In the related art, a lock-free button switch includes a housing, a button slidably disposed on the housing, a movable contact disposed on the button, a pin disposed on the housing, a stationary contact disposed on the pin, and a spring for driving the button to return. And when the button of the non-lock button switch is pressed, the button drives the movable contact to slide so as to enable the movable contact to be abutted against the static contact, and therefore the conduction is realized. And the force applied on the button is removed, the button is reset under the action of the spring, and the movable contact is separated from the fixed contact, so that disconnection is realized.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: the lock-free switch is few in variety, the lock-free button switch in the related art is suitable for functions such as a doorbell, namely only needs to be conducted instantly, and the switch needs to be conducted for a long time under partial conditions and can be disconnected and reset in a short time, for example, the switch of an electromagnetic door stopper, the lock-free switch in the related art cannot be achieved, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to expand the class of the lockless switch and improve the applicability of the lockless switch, the application provides a lockless button switch.

The application provides a no lock button switch adopts following technical scheme:

a non-lock button switch comprises a shell, a button, a conductive block, a plurality of movable contacts, a plurality of pins, a plurality of fixed contacts and a reset spring, wherein the button is arranged on the shell in a sliding mode, the conductive block is arranged on the button, the movable contacts are arranged on the conductive block, the pins are arranged in the shell, the fixed contacts are arranged on different pins respectively, the reset spring is arranged on the button, the fixed contacts are located on moving paths of different movable contacts respectively, the fixed contacts and the corresponding movable contacts are arranged in sequence along the pressing direction of the button, and the reset spring is used for driving the movable contacts to move towards the direction close to the fixed contacts.

Through adopting above-mentioned technical scheme, reset spring passes through the button and the conducting block exerts the power towards the stationary contact direction to the movable contact, and the stationary contact is located movable contact moving path, and the stationary contact arranges along the direction of pressing of button with corresponding movable contact in proper order for the movable contact can keep conflicting with the stationary contact, and each stationary contact realizes switching on through conducting block and movable contact, and this application switch can keep switching on under the condition of not receiving external force promptly. Through pressing the button with the power of resisting reset spring, the button drives conducting block and movable contact and removes to make movable contact remove and with the stationary contact separation to the direction of keeping away from the stationary contact, press the button promptly and can make this application switch disconnection.

In conclusion, the non-lock button switch is normally on and is off when being pressed, the classes of the non-lock button switch are widened, and the applicability of the non-lock button switch is improved.

Optionally, a sliding guide groove extending along the sliding direction of the button is formed in the shell, the button comprises a pressing slider, and the end of the button slider is slidably arranged in the sliding guide groove.

Through adopting above-mentioned technical scheme, the guide chute has played the guide effect to the slip of pressing the slider, has restricted the button and has taken place the skew in sliding, has improved user's the feedback of pressing and has felt.

Optionally, the button further comprises a linkage piece connected to the pressing slider, the linkage piece comprises a linkage rod and a linkage block connected to the side wall of the linkage rod, the conductive block is sleeved on the linkage rod, and the conductive block is located on one side, close to the stationary contact, of the linkage block.

By adopting the technical scheme, when the switch is assembled, the conductive block is sleeved on the linkage rod, and then the linkage piece and the conductive block are arranged in the shell. The linkage block arranged on the side wall of the linkage rod plays a limiting role, so that under the action of the reset spring, the movable contact linkage block can apply force to the movable contact through the conductive block to enable the movable contact to keep abutting against the static contact. The linkage piece and the conducting block that so set up when guarantee this application switch break-make function and realize, improved the simplicity and convenience of this application switch equipment.

Optionally, a spring groove is formed in the pressing slider, the spring groove is used for enabling the end portion of the linkage rod to stretch into and slide, a stop spring is arranged on one side, close to the pressing slider, of the linkage block, one end of the stop spring stretches into the spring groove and abuts against the groove bottom of the spring groove, and the other end of the stop spring abuts against the conductive block.

By adopting the technical scheme, the two ends of the stop spring respectively abut against the groove bottom of the spring groove and the conductive block, the conductive block can be kept abutting against the linkage block, namely the conductive block and the linkage block can move together, so that when a user presses the button, the conductive block can move along with the linkage block, the assembly simplicity is guaranteed as much as possible, and meanwhile, the disconnection sensitivity is also guaranteed.

Optionally, a limiting block is arranged on the linkage block, and a limiting groove for the limiting block to be inserted is formed in the conductive block.

By adopting the technical scheme, when the conductive block is installed, the conductive block is sleeved on the linkage rod, and the limiting block is inserted into the limiting groove to limit the conductive block to rotate relative to the linkage rod, so that the movable contact can keep aligning with the corresponding static contact.

Optionally, the linkage block is provided with a limiting block towards the button sliding direction and the side wall back to the button sliding direction.

Through adopting above-mentioned technical scheme for when the conducting block was installed and is kept away from one side of pressing the slider at the linkage block, also can cooperate with the spacing groove on the conducting block by the spacing piece. Meanwhile, the stitch is arranged on one side of the conductive block away from the pressing sliding block, and the elastic force of the reset spring and the elastic force of the stop spring are correspondingly adjusted, so that the application effect of the lock-free button switch can be the same as that of a lock-free switch in the related technology, and the adaptability of each component of the button switch is improved.

Optionally, the casing includes base and epitheca, the stitch includes conductive body and connects the connecting block on the conductive body lateral wall, set up the through hole that runs through the base on the base and the spread groove that is linked together with the through hole, the stitch includes conductive body and connects the connecting block on the conductive body lateral wall, the through hole is used for supplying the tip of conductive body to stretch into, the spread groove is used for supplying the connecting block to insert and establishes, set up the mounting groove that the tip that is used for supplying conductive body stretches into on the terminal surface of the orientation base of epitheca.

Through adopting above-mentioned technical scheme, when installing the stitch, insert the base with the stitch earlier, the tip of conductive body stretches out from the through hole, and the connecting block inserts in order to restrict the complete through hole of conductive body in the spread groove. And then the base and the upper shell are connected, and the end part of the conductive body extends into the mounting groove. The mounting groove and the connecting groove limit the movement of the pins in the shell, and the pins are easy and convenient to mount.

Optionally, the stitch further comprises a contact base connected to the conductive body, the stationary contact is arranged on the contact base, a fixing groove communicated with the through hole is formed in the base, and the fixing groove is used for the contact base to be inserted.

By adopting the technical scheme, when the shell of the non-lock button switch and the button are used for producing the non-lock button switch with the same practical effect as the related technology, the shorter pin of the conductive body is selected, the conductive body of the pin is inserted into the through hole, the connecting block of the conductive body is inserted into the connecting groove, and the contact base of the conductive body is arranged into the fixing groove, so that the movement of the contact base is limited by the fixing groove. Through above-mentioned structure, improved the suitability of the casing of this application switch to make it can be used for producing the switch of different functions.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the reset spring is used for driving the movable contact to move towards the direction close to the fixed contact, and the fixed contact is positioned on the moving path of the movable contact, so that the switch can be kept on without external force;

2. when the switch is assembled, the conductive block is firstly arranged on the linkage rod, one end of the stopping spring is abutted against the conductive block, then the end part of the linkage rod is inserted into the spring groove, and the other end of the stopping spring is abutted against the groove bottom of the spring groove, so that the conductive block can keep moving with the linkage block, the simplicity and convenience of assembly are improved, and the disconnection sensitivity is also guaranteed;

3. through hole, mounting groove, spread groove and fixed slot to make this application do not have lock button switch can install two kinds of stitches that length is different, again through installing the conducting block in the linkage piece be close to the one side of pressing the slider or keep away from the one side of pressing the slider, improved the suitability that this application does not have lock button switch and respectively constitutes the accessory, so that it can be used for the switch that the production function is different.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of an embodiment of the present application.

Fig. 3 is an exploded view of the embodiment of the present application with the upper case removed.

Description of the reference numerals:

1. a housing; 11. a base; 111. a through hole; 112. connecting grooves; 113. fixing grooves; 114. a telescopic groove; 115. a guide post; 12. an upper shell; 121. a guide chute; 122. mounting grooves; 2. a button; 21. pressing the slider; 211. a spring slot; 212. a sliding groove; 22. a linkage; 221. a linkage rod; 222. a linkage block; 223. a limiting block; 3. a conductive block; 31. a limiting groove; 4. a movable contact; 5. a stitch; 51. a conductive body; 52. connecting blocks; 53. a contact base; 6. a stationary contact; 7. a stopper spring; 8. a return spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a lock-free button 2 switch. Referring to fig. 1 and 2, the non-lock button 2 switch includes a housing 1, a button 2 slidably disposed on the housing 1, a conductive block 3 disposed on the button 2, two movable contacts 4 fixed on the conductive block 3, two pins 5 fixed in the housing 1, and two stationary contacts 6 disposed on the different pins 5, respectively.

Referring to fig. 2 and 3, the housing 1 includes a base 11 and an upper case 12 snap-fitted to the base 11, wherein two through holes 111 penetrating through the base 11, two connecting slots 112 respectively communicated with adjacent through holes 111, and two fixing slots 113 respectively communicated with adjacent through holes 111 are formed in an end surface of the base 11 facing the upper case 12. Two mounting grooves 122 have been seted up on the terminal surface of epitheca 12 orientation base 11, and when epitheca 12 and base 11 joint were mated, two mounting grooves 122 were aligned with different through-hole 111 respectively, and two mounting grooves 122 communicate with different through-hole 111 respectively.

Referring to fig. 3, the pin 5 is made of a conductive metal, the pin 5 includes a conductive body 51, two connecting blocks 52 respectively connected to opposite side walls of the conductive body 51, and a contact seat 53 connected to a side wall of the conductive body 51 where the connecting block 52 is not disposed, the conductive body 51, the connecting blocks 52, and the contact seat 53 are integrally formed, and the two stationary contacts 6 are respectively fixed on different contact seats 53.

Referring to fig. 2 and 3, the through hole 111 is used for inserting the end of the conductive body 51, the connection groove 112 is used for inserting the connection block 52, the installation groove 122 is used for inserting the end of the conductive body 51, and the fixing groove 113 is used for inserting the contact base 53.

Referring to fig. 2 and 3, when the pin 5 is mounted, the end of the conductive body 51 is inserted into the through hole 111 and extends out of the base 11 from the through hole 111, and the connecting block 52 is inserted into the connecting groove 112 to perform a limiting function. Then, the upper case 12 is snap-fitted to the base 11, and the other end of the conductive body 51 is inserted into the mounting groove 122, with the end face of the fixed contact 6 for contacting the movable contact 4 facing the base 11. The conductive block 3 is restricted from moving in the case 1 by the connection block 52, the conductive body 51, the mounting groove 122 and the connection groove 112.

Referring to fig. 2 and 3, the push button 2 includes a push slider 21 and a link 22, the push slider 21 is slidably provided on the upper case 12 along a longitudinal direction of the upper case 12, and an end of the push slider 21 penetrates the upper case 12. Four guide chutes 121 are formed in the inner wall of the upper case 12, each guide chute 121 extends along the sliding direction of the pressing slider 21, and four corners of the pressing slider 21 are slidably disposed in the different guide chutes 121.

Referring to fig. 2 and 3, the linkage member 22 includes a linkage rod 221 and a linkage block 222 sleeved and fixed on the linkage rod 221, and the linkage block 222 and the linkage rod 221 are integrally formed. The radial direction of the linkage rod 221 is consistent with the length direction of the upper shell 12, the pressing slider 21 is provided with a spring groove 211, the groove bottom of the spring groove 211 is provided with a sliding groove 212, and the spring groove 211 and the sliding groove 212 are used for enabling the end portion of the linkage rod 221 to be inserted and arranged in a sliding mode.

Referring to fig. 2 and 3, two stop blocks 223 are fixed on the end surfaces of the linkage block 222 close to the pressing slider 21 and far from the pressing slider 21, and the stop block 223 on one end surface is arranged corresponding to the stop block 223 on the other end surface. The conductive block 3 is slidably sleeved on the linkage rod 221 on one side of the linkage block 222 close to the stationary contact 6, the two opposite side walls of the conductive block 3 are provided with limit grooves 31 respectively penetrating along the axial direction of the linkage rod 221, and the limit grooves 31 are respectively used for inserting different limit blocks 223 on one end surface of the linkage block 222. The conductive block 3 is made of conductive material to electrically connect the two moving contacts 4, the two fixed contacts 6 are respectively located on the moving paths of the different moving contacts 4, and the fixed contacts 6 and the corresponding moving contacts 4 are sequentially arranged along the pressing direction of the button 2.

Referring to fig. 2 and 3, a stop spring 7 is arranged on one side of the linkage block 222 close to the pressing slider 21, a return spring 8 is arranged on one side of the linkage block 222 far from the pressing slider 21, the stop spring 7 and the return spring 8 are both sleeved on the linkage rod 221, and the stop spring 7 and the return spring 8 both extend and retract along the axial direction of the linkage rod 221. Two ends of the stop spring 7 respectively abut against the conductive block 3 and the groove bottom of the spring groove 211, so that the conductive block 3 abuts against the linkage block 222. The base 11 is provided with a telescopic groove 114, a guide post 115 is fixed at the bottom of the telescopic groove 114, one end of the return spring 8 is sleeved on the guide post 115, and two ends of the return spring 8 respectively abut against the bottom of the telescopic groove 114 and the linkage block 222.

Referring to fig. 2 and 3, the return spring 8 is used for driving the movable contact 4 to move towards the direction close to the fixed contact 6, the elastic force of the return spring 8 is greater than the sum of the elastic force of the stop spring 7, the gravity borne by the linkage piece 22, the gravity borne by the conductive block 3, the gravity borne by the movable contact 4 and the gravity borne by the return spring 8, that is, under the condition of not being subjected to an external force, the movable contact 4 keeps abutting against the fixed contact 6 under the action of the return spring 8, the two pins 5 are electrically connected, and the switch is turned on.

The implementation principle of a non-lock button 2 switch in the embodiment of the application is as follows: when the switch is assembled, the conductive block 3 provided with the movable contact 4 is firstly arranged on the linkage rod 221, the return spring 8 is arranged in the telescopic groove 114, one end of the linkage rod 221 is inserted into the return spring 8, then the pins 5 are arranged in the base 11, and the movable contact 4 is abutted against the fixed contact 6. Then, the pressing slider 21 is arranged in the upper shell 12, the stop spring 7 is sleeved on the linkage rod 221, and finally the upper shell 12 is in clamping fit with the base 11.

Through the structure, the switch can be switched on in a normal state without external force, and when the button 2 is pressed, the movable contact 4 is separated from the fixed contact 6, so that the switch is switched off. The class of the 2 switches of the lockless button is widened by the 2 switches of the lockless button, and the applicability of the 2 switches of the lockless button is improved.

By mounting the conductive block 3 on the side of the link block 222 remote from the pressing slider 21, the shorter pin 5 is replaced so that the contact base 53 of the pin 5 is inserted into the fixing groove 113. And meanwhile, the stop spring 7 is removed, so that the produced switch of the non-lock button 2 is normally off, and is in a conducting state when the button 2 is pressed. That is, the housing 1 and the button 2 of the non-lock button 2 switch of the present application can be used for producing non-lock button 2 switches with different functions, and the adaptability of the housing 1 and the button 2 is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A switch without a lock button (2), characterized in that: the novel button comprises a shell (1), a button (2) arranged on the shell (1) in a sliding mode, a conducting block (3) arranged on the button (2), a plurality of moving contacts (4) arranged on the conducting block (3), a plurality of pins (5) arranged in the shell (1), a plurality of fixed contacts (6) arranged on different pins (5) respectively and a reset spring (8) arranged on the button (2), wherein the fixed contacts (6) are located on moving paths of different moving contacts (4) respectively, the fixed contacts (6) and the corresponding moving contacts (4) are arranged in sequence along the pressing direction of the button (2), and the reset spring (8) is used for driving the moving contacts (4) to move towards the direction close to the fixed contacts (6).

2. A lock-free push button (2) switch as claimed in claim 1, characterized in that: offer on casing (1) along the guide chute (121) that button (2) slip direction extends, button (2) are including pressing slider (21), the tip of button (2) slider slides and sets up in guide chute (121).

3. A lock-free push button (2) switch as claimed in claim 2, characterized in that: button (2) are still including connecting linkage (22) on pressing slider (21), linkage (22) are including gangbar (221) and link block (222) of connection on gangbar (221) lateral wall, conductive block (3) cover is established on gangbar (221), conductive block (3) are located one side that link block (222) are close to stationary contact (6).

4. A lock-free push button (2) switch as claimed in claim 3, characterized in that: the pressing slider (21) is provided with a spring groove (211), the spring groove (211) is used for allowing the end of the linkage rod (221) to stretch into and slide, one side, close to the pressing slider (21), of the linkage block (222) is provided with a stop spring (7), one end of the stop spring (7) stretches into the spring groove (211) and abuts against the groove bottom of the spring groove (211), and the other end of the stop spring (7) abuts against the conductive block (3).

5. A lock-free push button (2) switch as claimed in claim 3, characterized in that: the linkage block (222) is provided with a limiting block (223), and the conductive block (3) is provided with a limiting groove (31) for the limiting block (223) to be inserted.

6. A lock-free push button (2) switch as claimed in claim 5, characterized in that: and the side walls of the linkage block (222) towards the sliding direction of the button (2) and back to the sliding direction of the button (2) are provided with limit blocks (223).

7. A lock-free push button (2) switch as claimed in claim 1, characterized in that: casing (1) includes base (11) and epitheca (12), stitch (5) are including conductive body (51) and connect connecting block (52) on conductive body (51) lateral wall, set up through hole (111) that run through base (11) on base (11) and spread groove (112) that are linked together with through hole (111), stitch (5) are including conductive body (51) and connect connecting block (52) on conductive body (51) lateral wall, through hole (111) are used for supplying the tip of conductive body (51) to stretch into, spread groove (112) are used for supplying connecting block (52) to insert and establish, set up mounting groove (122) that are used for supplying the tip of conductive body (51) to stretch into on the terminal surface of base (11) of epitheca (12).

8. A lock-free push button (2) switch according to claim 7, characterized in that: the pin (5) further comprises a contact base (53) connected to the conductive body (51), the static contact (6) is arranged on the contact base (53), a fixing groove (113) communicated with the through hole (111) is formed in the base (11), and the fixing groove (113) is used for inserting the contact base (53).

Images