CN213905202U

CN213905202U - Ejector rod switch

Info

Publication number: CN213905202U
Application number: CN202022905020.7U
Authority: CN
Inventors: 薛智文
Original assignee: Yueqing Niufulai Electronics Co ltd
Current assignee: Yueqing Niufulai Electronics Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-06
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a push rod switch, including switch seat, ejector pin and have the micro-gap switch who triggers the button, be equipped with the trigger plate along the direction of movement at the lower extreme of ejector pin, the adjacent first face of supporting and the second face of supporting that is equipped with on the trigger plate, first face of supporting is located the front end of trigger plate and leans on the face of supporting in the second, the second supports the face of supporting and is vertical plane, micro-gap switch is vertical setting, the micro-gap switch of vertical setting trigger the button lie in the second support the one side of face of supporting, and at least the part is located the removal route of trigger plate, trigger the button the action direction with the direction of movement of trigger plate is mutually perpendicular, trigger the button and remove the state of impressing through first face of supporting roof pressure to support the face through the second and keep the state of impressing. After the technical scheme is adopted, the working stability and sensitivity of the ejector rod switch are improved while the quantity of parts is simplified, the cost is reduced, the production efficiency is improved, the ejector rod switch is safer to use, the structure is more reasonable, and the using effect is good.

Description

Ejector rod switch

Technical Field

The utility model belongs to the technical field of the switch, utensil post ground is said, is a ejector pin switch.

Background

The push rod switch is a simple electronic component capable of switching a circuit loop, can automatically switch a circuit when being subjected to external pressure, has a simple structure, is quick in response and low in manufacturing cost, and is widely applied to various electric appliances.

The utility model with application number 202020787949.1 discloses a push rod switch, which comprises a switch seat and a switch actuating mechanism, wherein the switch actuating mechanism comprises a push rod, a first elastic component, a micro-switch and a limit component, the first elastic component is made to act with a movable arm on the micro-switch through the push rod, and then the micro-switch realizes the circuit switching function through the action of the movable arm on a trigger button on the micro-switch, the number of parts is simplified, the cost is reduced to a certain extent, the production efficiency is effectively improved, however, in this structure, the push rod cannot directly drive the trigger button to move, and the first elastic member acts on the front push rod of the movable arm and needs to move for a certain distance, therefore, the switching of the circuit is delayed greatly, and after the circuit is used for a long time, the elastic piece has certain fatigue, and the push rod switch has the hidden trouble of poor action stability.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a push rod switch has improved push rod switch job stabilization nature and sensitivity simultaneously simplifying quantity, reduce cost, the improvement production efficiency of spare part.

The technical scheme adopted by the utility model for solving the technical problems is that the micro-switch comprises a switch seat, a mandril and a micro-switch with a trigger button, wherein the middle part of the switch seat is provided with a mandril sliding groove, the mandril is positioned in the mandril sliding groove and extends upwards out of the switch seat, the mandril can slide in the mandril sliding groove, the lower end of the mandril is also provided with a trigger plate along the moving direction, the trigger plate is adjacently provided with a first abutting surface and a second abutting surface, the first abutting surface is positioned at the front end of the trigger plate and is inclined to the second abutting surface, the second abutting surface is a vertical plane, the micro-switch is vertically arranged, the trigger button of the micro-switch is positioned at one side of the second abutting surface and at least partially positioned in the moving path of the trigger plate, the action direction of the trigger button is vertical to the moving direction of the trigger plate, the trigger key moves to a press-in state through the jacking of the first abutting surface and keeps the press-in state through the second abutting surface.

By adopting the technical scheme, when the ejector rod starts to be stressed and moves downwards, the first abutting surface is made to touch and abut against the trigger button to enable the trigger button to retract towards the inside of the microswitch, the action of a switch action mechanism inside the microswitch is driven, and the setting of the second abutting surface ensures the continuous abutting of the trigger button, so that the microswitch is not easy to switch again due to the change of stress conditions after circuit switching, the use safety is ensured, the delay effect of circuit switching is effectively reduced, the sensitivity and the stability of the ejector rod switch action are improved to a certain extent, the purpose of simplifying the quantity of circuit control parts is achieved, the cost is reduced to a certain extent, and the production efficiency is improved.

Furthermore, the cross section areas of the first abutting surface and the second abutting surface are both larger than the area of the contactable surface of the trigger key, and the symmetry centers are located on the same plane.

After the technical scheme is adopted, due to the limitation of the structure of the microswitch, the wall surface of the microswitch is thin, the hidden trouble of installation dislocation of the trigger button is caused, and therefore the structure ensures that enough pressure of the trigger plate is transmitted to the trigger button to be effectively triggered, and the stability and the sensitivity of the action of the ejector rod switch are ensured.

Further, still including connect in the second supports the left limiting plate of holding down on the face and connect in trigger the board dorsad the second supports the right limiting plate of holding down one side, left side limiting plate with right limiting plate is located the coplanar height and upper surface between them all with the bottom of ejector pin spout is used for, the lower surface of left side limiting plate and vertical setting micro-gap switch's top is used for mutually.

After the technical scheme is adopted, the up-and-down movement distance of the ejector rod is limited, the ejector rod is effectively prevented from being separated from the switch base, the stability of the opening and closing actions of the ejector rod is ensured, and the use is safer.

Furthermore, the inner wall of the switch seat is also provided with a left supporting block which is abutted against the inner side surface of the left limiting plate and a right supporting block which is abutted against the inner side surface of the right limiting plate.

After the technical scheme is adopted, the arrangement of the left supporting block and the right supporting block ensures that the ejector rod is not easy to shake front and back in the process of moving downwards or upwards, and the stable contact of the first abutting surface, the second abutting surface and the trigger button is ensured.

Furthermore, still be equipped with on the switch seat inner wall right the left side of left side limiting plate carries out spacing left spacing baffle and right side spacing baffle to the right side of right side limiting plate carries out spacing.

After the technical scheme is adopted, the left limiting partition plate and the right limiting partition plate are arranged, so that the ejector rod is not easy to shake left and right in the downward moving or upward moving process, and the stable contact of the first pressing surface, the second pressing surface and the trigger button is further ensured.

Furthermore, the trigger plate is back to the spring fixing plate is further connected to the lower end of one side of the micro switch, the upper end of the reset spring acts on the spring fixing plate, and the lower end of the reset spring acts on the bottom wall of the switch seat.

After adopting above-mentioned technical scheme, the ejector pin is after the atress is finished, and the produced restoring force that deforms through reset spring resets, and the action is stable, rational in infrastructure.

Furthermore, be equipped with the spacing post in left end edge, the spacing post in middle-end edge and the spacing post in right-hand member edge on the switch block inner wall in proper order, the spacing post in left end edge the spacing post in middle-end edge and the spacing post in right-hand member edge forms an holding reset spring's spacing space.

After adopting above-mentioned technical scheme, injectd reset spring's position, even by powerful compression can not take place distortion yet, reset effectually, the ejector pin switch reliability is high.

Further, the switch seat is divided into a front installation part and a rear installation part, two the installation parts are provided with clamping structures which are convenient for mutual splicing of the installation parts, each clamping structure comprises a buckle and a clamping plate, the buckle and the clamping plates are respectively formed on the outer walls of the installation parts, and the clamping plates are further provided with clamping grooves matched with the buckles.

After adopting above-mentioned technical scheme, the switch seat is assembled by two installation departments and is constituted, simple structure, and the installation of the inside spare part of being convenient for, the setting of buckle and cardboard for switch seat easy dismounting, the maintenance of being convenient for.

Further, two still be equipped with location structure between the installation department, location structure includes locating hole and reference column and locating plate and constant head tank, the locating hole with the reference column, and the locating plate with the constant head tank shaping respectively is two on the installation department.

After adopting above-mentioned technical scheme, through the setting of locating hole and reference column and locating plate and constant head tank, two installation departments are difficult for taking place the position after assembling and move for the structure of switch seat is more stable.

Furthermore, be equipped with on the inner wall of installation department and be used for with the micro-gap switch card is located joint arch in the switch seat.

After adopting above-mentioned technical scheme, can effectively prevent micro-gap switch's removal for the ejector pin switch action is more stable, and the result of use is good.

The utility model has the advantages that: the ejector rod switch has the advantages that the number of parts is simplified, the cost is reduced, the production efficiency is improved, the working stability and the sensitivity of the ejector rod switch are improved, the ejector rod switch is safer to use, the structure is more reasonable, and the using effect is good.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the switch base of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

FIG. 4 is a schematic structural view of one of the switch seat mounting portions of the present invention;

fig. 5 is a schematic structural view of another switch seat mounting portion of the present invention.

In the figure: 1-switch seat, 2-ejector rod, 3-microswitch, 4-trigger button, 5-ejector rod chute, 6-trigger rod, 7-first pressing surface, 8-second pressing surface, 9-left limiting plate, 10-right limiting plate, 11-left supporting block, 12-right supporting block, 13-left limiting clapboard, 14-right limiting clapboard, 15-reset spring, 16-spring fixing plate, 17-left end edge limiting column, 18-right end edge limiting column, 19-middle end edge limiting column, 20-mounting part, 21-buckle, 22-snap-gauge, 23-neck, 24-positioning hole, 25-positioning column, 26-positioning plate, 27-positioning groove, 28-mounting protrusion, 29-protruding column, etc, 30-connector.

Detailed Description

In order to more clearly illustrate embodiments and/or technical solutions in the prior art, embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort. The term "orientation" merely means a relative positional relationship between the respective members, and does not mean an absolute positional relationship.

Referring to fig. 1 and 5, a push rod switch includes a switch base 1, a push rod 2, and a micro switch 3 having a trigger button 4, the micro switch 3 is connected to an external circuit, a push rod chute 5 is disposed in the middle of the switch base 1, the push rod 2 is disposed in the push rod chute 5 and extends upwards out of the switch base 1, the push rod 2 can slide in the push rod chute 5, a trigger plate 6 is further disposed at the lower end of the push rod 2 along a moving direction, a first abutting surface 7 and a second abutting surface 8 are adjacently disposed on the trigger plate 6, the first abutting surface 7 is disposed at the front end of the trigger plate 6 and is inclined to the second abutting surface 8, the second abutting surface 8 is a vertical plane, wherein the second abutting surface 8 is disposed on the left side surface of the trigger plate 6, the first abutting surface 7 is an oblique plane inclined to the left side, the micro switch 3 is vertically disposed, the trigger button 4 of the vertically disposed micro switch 3 is disposed on one side of the second abutting surface 8, And at least part of the trigger button is positioned in the moving path of the trigger plate 6, the action direction of the trigger button 4 is vertical to the moving direction of the trigger plate 6, the trigger button 4 moves to a press-in state by being pressed by the trigger plate 6 through the first pressing surface 7, and the press-in state is kept through the second pressing surface 8.

When the ejector rod 2 starts to be stressed and move downwards, the first pressing surface 7 is made to touch and press the trigger button 4 to enable the trigger button 4 to retract towards the interior of the microswitch 3, so as to drive a switch action mechanism in the microswitch 3 to act, the arrangement of the second pressing surface 8 ensures the continuous pressing of the trigger button 4, the microswitch 3 is not easy to switch again due to the change of stress conditions after the circuit is switched, and the safety of the use of the ejector rod switch is ensured, therefore, the structure not only achieves the purpose of simplifying the quantity of circuit control parts, but also reduces the cost to a certain extent, improves the production efficiency, and compared with the structure which enables the trigger button 4 to act through the matching of an elastic part and a movable arm in the prior art, the structure effectively reduces the delay effect of circuit switching, improves the working sensitivity and stability of the ejector rod switch to a certain extent, and because the microswitch 3 is vertically arranged in the switch base 1, the action direction of the trigger button 4 is perpendicular to the moving direction of the trigger plate 6, so that the first pressing surface 7 at the front end of the trigger plate 6 is arranged in an inclined manner, the first pressing surface 7 can touch and press the trigger button 4 to enable the trigger button 4 to retract into the micro switch 4 more smoothly, and it should be noted that in the embodiment, when the ejector rod 2 is not stressed, the first pressing surface 7 is attached to the surface of the trigger button 4 (the trigger button 4 is not stressed), and the inclination angle of the first pressing surface 7 is 20-30 degrees, so that the switching action of the ejector rod switch is more sensitive.

In this embodiment, the cross-sectional areas of the first abutting surface 7 and the second abutting surface 8 are both larger than the area of the contact surface of the trigger button 4, and the symmetric centers are located on the same plane, due to the limitation of the structure of the microswitch 3, the wall surface of the microswitch 3 is thin, so that the hidden trouble of installation dislocation exists in the trigger button 4, and therefore, the arrangement of the structure ensures that the trigger plate 6 has enough pressure to transmit to the trigger button 4, so that the trigger button is effectively triggered, and the stability and sensitivity of the action of the push rod switch are ensured.

In this embodiment, the ejector pin switch is still including connecting in the second and supporting the left limiting plate 9 of pressing the 8 upper ends of face, and connect in the trigger plate 6 right limiting plate 10 that the second supports pressing face 8 one side dorsad, left side limiting plate 9 is located the coplanar height and upper surface between them with right limiting plate 10 and all is used with the bottom of ejector pin spout 5, the lower surface of left side limiting plate 9 and the top of the micro-gap switch 3 of vertical setting act with each other, through left limiting plate 9, and the setting up of right limiting plate 10 has restricted the distance that the ejector pin reciprocated, also effectively prevented ejector pin 2 from deviating from switch seat 1, the stability of ejector pin switch action has been guaranteed, it is safer to use.

In this embodiment, still be equipped with the left branch strut 11 that leans on with the inboard surface of left limiting plate 9 on the switch seat 1 inner wall, and the right branch strut 12 that leans on with the inboard surface of right limiting plate 10, left branch strut 11 and right branch strut 12 set up along 2 moving directions of ejector pin, the length of left branch strut 11 can equal to the displacement of left limiting plate 9, the displacement of right branch strut 12 can be more than or equal to right limiting plate 10 for ejector pin 2 is moving down or is shifting up difficult fore-and-aft rocking in-process, first abutting surface 7 has been guaranteed, the stable contact of second abutting surface 8 and trigger button 4.

In this embodiment, still be equipped with on the 1 inner wall of switch seat and carry out spacing left limiting baffle 13 to the left side of left limiting plate 9 and carry out spacing right limiting baffle 14 to the right side of right limiting plate 10, left limiting baffle 3 and the setting of right limiting baffle 14 for ejector pin 2 is moving down or is shifting up the difficult left and right sides of in-process and rock, has further guaranteed first pressure face 7, the second and has supported pressure face 8 and trigger button 4's steady contact.

In this embodiment, the ejector pin switch still includes reset spring 15, trigger 6 and still be connected with spring fixed plate 16 on the one side lower extreme of micro-gap switch 3 dorsad, reset spring 15's upper end acts on spring fixed plate 16, reset spring 15's lower extreme acts on the diapire of switch seat 1, reset spring 15's setting, make ejector pin 2 at the in-process that moves down, make reset spring 15 produce deformation, after 2 atresss of ejector pin, reset through the produced reset force of reset spring 15 deformation, the action is stable, and is rational in infrastructure.

In this embodiment, the spacing post of left end edge 17 that still is equipped with in proper order on the 1 inner wall of switch block, the spacing post of middle-end edge 18, and the spacing post 19 of right-hand member edge, the spacing post of left end edge 17, the spacing post of middle-end edge 18, and the spacing post 19 of right-hand member edge form the spacing space of an holding reset spring 15, reset spring 15's position has been injectd in the setting in spacing space, even by powerful compression distortion can not take place yet, it is effectual to reset, ejector pin switch reliability is high.

In this embodiment, switch seat 1 is divided into two installation departments 20 in front and back, be equipped with the structure that clamps that is convenient for its mutual concatenation between two installation departments 20, the structure that clamps includes buckle 21 and cardboard 22, buckle 21 and cardboard 22 take shape respectively on the outer wall of installation department 20, still be equipped with on the cardboard 22 with buckle 22 matched with draw-in groove 23, switch seat 1 assembles the constitution by two installation departments 20, moreover, the steam generator is simple in structure, and be convenient for the installation of inside spare part, buckle 21 and cardboard 22's setting, make 1 easy dismounting of switch seat, be convenient for maintain.

In this embodiment, still be equipped with location structure between two installation departments 20, location structure includes locating hole 24 and reference column 25, and locating plate 26 and constant head tank 27, locating hole 24 and reference column 25, and locating plate 26 and constant head tank 27 take shape respectively on two installation departments 20, through locating hole 24 and reference column 25, and the setting of locating plate 26 and constant head tank 27, two installation departments 20 are difficult for taking place the position after assembling and remove for the structure of switch seat 1 is more stable.

In this embodiment, the inner wall of the mounting portion 20 is provided with a mounting protrusion 28 for clamping the micro switch 3 in the switch base 1, so that the micro switch 3 can be effectively prevented from moving, the push rod switch can move more stably, and the use effect is good.

In this embodiment, the spring fixing plate 16 is further provided with a convex column 29 for fixing the return spring 15, so that the return spring 15 is effectively prevented from shaking left and right, the installation stability of the return spring 15 is high, and the return effect is good.

The above description is further detailed for the present invention in conjunction with the preferred embodiments of the present invention, and it should not be construed that the practice of the present invention is limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A push rod switch is characterized in that: including switch seat (1), ejector pin (2) and have micro-gap switch (3) that trigger button (4), the middle part of switch seat (1) is equipped with ejector pin spout (5), ejector pin (2) are located in ejector pin spout (5) and upwards stretch out switch seat (1), ejector pin (2) can slide in ejector pin spout (5), the lower extreme of ejector pin (2) still is equipped with along the direction of movement and triggers board (6), it is adjacent on board (6) to be equipped with first pressure face (7) and second and supports pressure face (8) to trigger, first pressure face (7) are located trigger board (6) front end and slope in the second supports pressure face (8), the second supports pressure face (8) and is vertical plane, micro-gap switch (3) are vertical setting, vertical setting micro-gap switch (3) trigger button (4) be located one side of second support pressure face (8), And at least part of the trigger button is positioned in the moving path of the trigger plate (6), the action direction of the trigger button (4) is vertical to the moving direction of the trigger plate (6), the trigger button (4) is pressed by the first pressing surface (7) to move to a pressing state, and the second pressing surface (8) is used for keeping the pressing state.

2. A push rod switch according to claim 1, wherein: the cross section widths of the first abutting surface (7) and the second abutting surface (8) are larger than the area of the contact surface of the trigger key (4), and the symmetry centers are positioned on the same plane.

3. A push rod switch according to claim 1, wherein: still including connect in the second supports left limiting plate (9) of pressing face (8) upper end and connect in trigger plate (6) dorsad the second supports right limiting plate (10) of pressing face (8) one side, left side limiting plate (9) with right limiting plate (10) lie in the coplanar height and upper surface between them all with the bottom of ejector pin spout (5) is used, the lower surface of left side limiting plate (9) and vertical setting the top of micro-gap switch (3) is used mutually.

4. A push rod switch according to claim 3, wherein: the switch seat (1) is further provided with a left supporting block (11) which is abutted against the inner side surface of the left limiting plate (9) and a right supporting block (12) which is abutted against the inner side surface of the right limiting plate (10).

5. A push rod switch according to claim 3, wherein: the switch base (1) is further provided with a left limiting partition plate (13) for limiting the left side of the left limiting plate (9) and a right limiting partition plate (14) for limiting the right side of the right limiting plate (10).

6. A push rod switch according to claim 1, wherein: still include reset spring (15), trigger plate (6) are dorsad still be connected with spring fixed plate (16) on one side lower extreme of micro-gap switch (3), the upper end of reset spring (15) acts on spring fixed plate (16), the lower extreme of reset spring (15) acts on the diapire of switch seat (1).

7. A push rod switch according to claim 6, wherein: be equipped with left end edge spacing post (17), middle-end edge spacing post (18) and right-end edge spacing post (19) on switch seat (1) inner wall in proper order, left end edge spacing post (17), middle-end edge spacing post (18) and right-end edge spacing post (19) form an holding reset spring (15) spacing space.

8. A push rod switch according to claim 1, wherein: switch seat (1) divide into two installation department (20) around, two be equipped with the structure that clamps that is convenient for its mutual concatenation between installation department (20), the structure that clamps includes buckle (21) and cardboard (22), buckle (21) with cardboard (22) shaping respectively is two on installation department (20), still be equipped with on cardboard (22) with buckle (21) matched with draw-in groove (23).

9. A push rod switch according to claim 8, wherein: two still be equipped with location structure between installation department (20), location structure includes locating hole (24) and reference column (25) and locating plate (26) and constant head tank (27), locating hole (24) with reference column (25) and locating plate (26) with constant head tank (27) shaping respectively two on installation department (20).

10. A push rod switch according to claim 8, wherein: the inner wall of the mounting part (20) is provided with a mounting protrusion (28) used for clamping the micro switch (3) in the switch base (1).