Manual button switch

Abstract

The utility model relates to the technical field of switches, and particularly discloses a manual button switch which comprises a shell, a switch button, a conductive piece, a terminal and an elastic reset piece. At least three sub-cavities are formed in the shell, each sub-cavity corresponds to a movable switch button, and a conductive piece is fixed to the bottom of each switch button. The terminals comprise a first negative terminal, a second positive terminal, a third positive terminal and a fourth negative terminal, wherein the second positive terminal and the third positive terminal are respectively provided with a first connecting piece and a second connecting piece which extend to the second sub-cavity. When different switch buttons are pressed, the conductive pieces at the bottoms of the switch buttons move synchronously, and the first negative terminal and the second positive terminal or the third positive terminal and the fourth negative terminal or the first connecting piece and the second connecting piece are selectively conducted, so that a rising loop, a falling loop and a stopping loop are formed respectively.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of switch, and discloses a manual button switch. BACKGROUND

[0002] The electric rolling shutter door is applied to commercial and civil fields, such as a garage door, a shop rolling shutter door and the like. The rolling shutter door is usually driven to rise and fall by a chain motor, and a manual control switch is an indispensable control component of the rolling shutter door, which is used for manually operating the rising, stopping and falling actions of the rolling shutter door. The stability of the manual control switch directly relates to the use efficiency and safety of the rolling shutter door.

[0003] The manual control switch in the current market can meet the basic control requirements, but there are still significant deficiencies in the structural design and actual application. On the one hand, the contact reliability between the conductive sheet as the current conduction core and the contact point is the key to the normal work of the switch. However, most of the existing conductive sheets adopt point contact design, and long-term frequent pressing operation is easy to cause elastic fatigue of the conductive sheet, and then causes poor contact. This contact failure directly shows that the switch fails and the control command cannot be effectively transmitted. Lightly, it leads to the response delay of the rolling shutter door, and heavily, it causes the rolling shutter door to suddenly jam or lose control, which brings safety hazards to the user and seriously affects the use experience. CONTENT OF THE UTILITY MODEL

[0004] The utility model at least one specific embodiment aims at solving the defects existing in the prior art, and provides a manual button switch.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A manual button switch, characterized in that it comprises:

[0007] A shell, the shell is formed with a mounting cavity, and the mounting cavity comprises at least three sub-cavities;

[0008] Three switch buttons, each switch button is movably arranged on the shell and corresponds to a sub-cavity;

[0009] Three conductive pieces, each conductive piece is fixed to the bottom of a switch button;

[0010] A plurality of elastic reset pieces are arranged corresponding to each switch button and are used for driving the switch button to reset;

[0011] The terminal includes a first negative terminal and a second positive terminal that are opposite to and spaced apart within a first sub-cavity, and a third positive terminal and a fourth negative terminal that are opposite to and spaced apart within a third sub-cavity; wherein the second positive terminal has a first connecting piece extending into the second sub-cavity, and the third positive terminal has a second connecting piece extending into the second sub-cavity; the first connecting piece and the second connecting piece are opposite to and spaced apart within the second sub-cavity, and abut against the conductive element within the second sub-cavity;

[0012] The switch button has a first position and a second position. The switch button is in the first position when it is moving towards the inside of the housing, and in the second position when it is moving away from the inside of the housing.

[0013] By adopting the above solution, a stable contact system between the conductive component and the terminal is formed by directly fixing the conductive component to the bottom of the switch button and moving it synchronously. This rigid connection completely avoids the problems of fatigue fracture, loose connection, or detachment caused by frequent bending of traditional conductive wires. By setting a first negative terminal and a second positive terminal in the first sub-cavity, and setting opposing first and second connecting pieces extending from the second and third positive terminals in the second sub-cavity, and setting a third positive terminal and a fourth negative terminal in the third sub-cavity, each sub-cavity corresponds to a switch button, forming an independent control system, thereby improving the reliability of the electrical connection and the overall service life of the switch.

[0014] Furthermore, each of the switch buttons is provided with a pressing part and an extension part, the extension part being vertically disposed at the bottom of the pressing part; the housing is provided with a groove corresponding to each of the switch buttons, and a through hole communicating with the mounting cavity is provided at the bottom of the groove; the pressing part of the switch button is installed in the groove, and the extension part of the switch button extends into the mounting cavity through the through hole.

[0015] By adopting the above solution, the pressing part and extension of the switch button, together with the groove and through hole of the housing, form a precise guide. By installing the pressing part in the groove, the outer peripheral edge of the pressing part is adapted to the inner wall of the groove, which effectively prevents dust. Furthermore, the extension extends into the through hole, and the precise guidance of the extension ensures the verticality and consistency of the button's travel, thereby eliminating action deviation and jamming.

[0016] Furthermore, the elastic reset member is sleeved on the outside of the extension of the switch button, with one end abutting against the inner wall of the switch button pressing part and the other end supported on the bottom of the groove.

[0017] By adopting the above scheme: the elastic reset member is sleeved outside the extension part and the two ends thereof abut against the inner wall of the pressing part and the bottom of the groove, the extension part is used as a natural guide shaft of the elastic reset member, effective prevention of radial bending or deviation of the elastic reset member when pressed is achieved, accurate vertical transmission of the reset force is ensured, and the button reset action is more stable, rapid and without jamming.

[0018] Further, the conductive part is provided with a fixed part and an abutting part, the abutting part is located on both sides of the fixed part respectively; the bottom of the extension part of the switch button is provided with an opening matched with the shape of the fixed part, and the fixed part is fixedly installed in the opening, and the abutting part is used to form electrical contact with the terminal during pressing operation.

[0019] By adopting the above scheme: the conductive part is provided with a fixed part and an abutting part on both sides, and the fixed part is fixedly installed in the opening at the bottom of the extension part, mechanical connection is achieved, the conductive part is firmly combined with the switch button as a movement whole through the fixed part, and the risk of breakage and falling of the traditional conductive wire due to frequent bending is fundamentally eliminated; meanwhile, the abutting parts distributed on both sides of the fixed part are used to form stable surface contact with two corresponding terminals at the same time during pressing, which significantly increases the contact area and reduces the contact resistance, and effectively avoids the problem of single-sided poor contact.

[0020] Further, one side of each terminal towards the conductive part is provided with a contact protrusion, and the contact protrusion is in a hemispherical shape.

[0021] By adopting the above scheme: the hemispherical contact protrusion is arranged on the contact surface of the terminal, the contact mode is optimized to point contact by the hemispherical structure, the unit area contact pressure is greatly improved, the metal surface oxide film can be effectively pierced, and the contact resistance and power loss are fundamentally reduced.

[0022] Further, the inner wall of the shell is provided with a plurality of positioning columns, and the plurality of positioning columns are located in the first sub-cavity, the second sub-cavity and the third sub-cavity respectively; the number of the plurality of positioning columns is equal to the number of the plurality of terminals, and the positions are one-to-one corresponding; each terminal is fixedly connected to the corresponding positioning column.

[0023] By adopting the above scheme: each terminal is provided with an independent and accurate positioning reference by the positioning column, displacement and inclination of the terminal caused by no fixed fulcrum in the traditional installation mode are avoided, the relative position of the terminal and the conductive part is always kept consistent, the contact failure caused by loose terminal is structurally eliminated, and the control failure problem caused by terminal displacement after long-term use of the existing switch is solved.

[0024] Further, the plurality of terminals further comprises a fifth terminal and a sixth terminal, the fifth terminal and the sixth terminal are located in the second sub-cavity and are arranged opposite to the first connecting piece of the second positive electrode terminal and the second connecting piece of the third positive electrode terminal, and the fifth terminal and the sixth terminal are used to provide different circuit configuration schemes.

[0025] By adopting the above scheme: by arranging the fifth terminal and the sixth terminal opposite to the first connecting piece and the second connecting piece and locating them in the independent second sub-cavity, the core control logic of rising, stopping and falling is not affected, and interference with other terminals is also avoided. Without increasing the volume of the shell and changing the core structure, the function upgrade is realized by terminal expansion, the stability and expandability of the product are considered, and the structural complexity and the risk of failure caused by function expansion are avoided.

[0026] Further, the shell comprises an upper shell and a lower shell, the upper shell and the lower shell are buckled to form the mounting cavity; and U-shaped openings are formed on both sides of the lower shell for introducing external wires.

[0027] By adopting the above scheme: the U-shaped openings on both sides of the lower shell provide a special introduction channel for external wires, compared with the traditional single wire outlet hole design, multiple wires can be connected on both sides to avoid mutual entanglement and extrusion; the open structure of the U-shaped opening facilitates the quick threading of the wire, and the edge of the opening can be designed as a circular arc transition to effectively prevent the wire from being cut or worn by the sharp edge of the shell, and to solve the safety hazards such as short circuit and leakage caused by damage to the insulation layer of the wire during long-term use.

[0028] Further, the shell further comprises an outer shell, the outer shell is sleeved on the outer side of the lower shell and is fixedly connected with the upper shell, a through hole is formed in the side wall of the outer shell, and the position of the through hole corresponds to the U-shaped opening of the lower shell to jointly form an introduction channel for external wires.

[0029] By the above technical scheme: by additionally arranging the outer shell sleeved on the outer side of the lower shell and fixedly connected with the upper shell, and the through hole in the side wall of the outer shell corresponding to the U-shaped opening of the lower shell to form a wire introduction channel, the outer shell is suitable for being installed on a wall, and is made of high-strength rigid material.

[0030] The manual switch button provided in the application has the beneficial technical effects of the prior art in that:

[0031] By dividing the installation cavity into independent first, second and third sub-cavities, the control units corresponding to the up, stop and down buttons are adapted, positioning columns corresponding to the number of terminals are arranged on the inner wall of the shell, each terminal is accurately fixed in the corresponding sub-cavity, interference of the assembly with the terminals is avoided, and the problem of poor contact is fundamentally eliminated; meanwhile, the second positive terminal and the third positive terminal extend to the second sub-cavity through the integrally-formed cross-cavity connecting part, so that the stop button can directly link to cut off the lifting circuit, the complex wiring of the traditional switch is simplified, the fault point is reduced, the response accuracy of the stop function is ensured, and the stability of the core control logic is improved. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0033] Figure 1 It is a schematic diagram of a manual switch button structure of the present application;

[0034] Figure 2 It is Figure 1 A-A sectional view along the plane;

[0035] Figure 3 It is an explosion schematic diagram of a manual switch button of the present application;

[0036] Figure 4 It is Figure 3 A local enlarged view of the A area;

[0037] Figure 5 It is a rear view structure schematic diagram of a manual switch button of the present application;

[0038] Figure 6 It is Figure 5 B-B sectional view along the plane;

[0039] Figure 7 It is an internal structure sectional view of the installation cavity of the present application;

[0040] 10, housing; 11, upper housing; 111, groove; 112, through hole; 113, positioning column; 12, lower housing; 121, U-shaped opening; 13, outer shell; 131, through hole; 15, mounting cavity; 151, first sub-cavity; 152, second sub-cavity; 153, third sub-cavity; 20, switch button; 21, first up switch; 22, second stop switch; 23, third down switch; 201, pressing part; 202, extension part; 30, conductive piece; 301, fixed part; 302, abutting part; 40, terminal; 401, contact protrusion; 41, first negative terminal; 42, second positive terminal; 43, third positive terminal; 44, fourth negative terminal; 45, fifth terminal; 46, sixth terminal; 421, first connecting piece; 431, second connecting piece; 50, elastic reset piece. DETAILED DESCRIPTION

[0041] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0042] Referring to Figure 1 , Figure 2 , Figure 3 , a manual button switch for controlling the lifting or stopping of a roller shutter door, the manual button switch comprising a housing 10, a switch button 20, a conductive piece 30, a terminal 40, and an elastic reset piece 50.

[0043] The housing 10 serves as the basis of the entire structure, and a mounting cavity 15 is formed inside the housing 10; the switch button 20 is movably arranged on the housing 10; the conductive piece 30 is arranged in the mounting cavity 15 and is fixed to the bottom of the switch button 20; the terminal 40 is arranged in the mounting cavity 15 and is arranged opposite the conductive piece 30; and the elastic reset piece 50 is arranged between the housing 10 and the switch button 20.

[0044] Referring to Figure 3 , specifically, the housing 10 is made of flame-retardant engineering plastic, and comprises an upper housing 11 and a lower housing 12, the upper housing 11 and the lower housing 12 are connected by snap fitting, U-shaped openings 121 are formed on both sides of the lower housing 12, the U-shaped openings 121 are used for leading in external wires, the housing 10 further comprises an outer shell 13, the outer shell 13 is sleeved on the outer side of the lower housing 12 and is fixedly connected with the upper housing 11, through holes 131 are formed in the side wall of the outer shell 13, the positions of the through holes 131 correspond to the U-shaped openings 121 of the lower housing 12, so as to jointly form a channel for leading in the external wires, this structure not only facilitates wiring, but also effectively protects the wires.

[0045] Referring toFigure 3 , Figure 4 , Figure 5 As shown, the upper housing 11 and the lower housing 12 are fastened together to form a mounting cavity 15. The mounting cavity 15 includes at least three sub-cavities, specifically a first sub-cavity 151, a second sub-cavity 152, and a third sub-cavity 153. The three sub-cavities are arranged sequentially along the length of the housing 10 to form a modular layout. At least three switch buttons 20 are provided. The switch buttons 20 are movably mounted on the housing 10 and correspond to one sub-cavity respectively. The three switch buttons 20 are specifically a first up switch 21, a second stop switch 22, and a third down switch 23. The first up switch 21 corresponds to the first sub-cavity 151, the second stop switch 22 corresponds to the second sub-cavity 152, and the third down switch 23 corresponds to the third sub-cavity 153.

[0046] Each switch button 20 is provided with a pressing part 201 and an extension part 202. The extension part 202 is vertically disposed at the bottom of the pressing part 201. The housing 10 has a groove 111 corresponding to each switch button 20, and a through hole 112 communicating with each sub-cavity is provided at the bottom of the groove 111. The pressing part 201 of the switch button 20 is installed in the groove 111, and the extension part 202 of the switch button 20 extends into the corresponding sub-cavity through the through hole 112. The thickness of the pressing part 201 is less than the depth of the groove 111, providing space for the pressing part 201 to move, ensuring smooth movement of the pressing part 201 and providing effective dust protection. The switch button 20 has a first position and a second position. When the switch button 20 is in the first position, the switch button 20 is closer to the inside of the housing 10. When the switch button 20 is in the second position, the switch button 20 is away from the inside of the housing 10 and is on the same horizontal plane as the outer surface of the housing 10.

[0047] Reference Figure 3 , Figure 4 As shown, the elastic reset member 50 is provided for each switch button 20 and is used to drive the switch button 20 to reset. In this embodiment, the elastic reset member 50 is a stainless steel helical spring. The elastic reset member 50 is sleeved on the outside of the extension 202 of the switch button 20. One end of the elastic reset member 50 abuts against the inner wall of the pressing part 201 of the switch button 20, and the other end is supported on the bottom of the groove 111. When the switch button 20 is pressed, the switch button 20 applies pressure to the elastic reset member 50, and the elastic reset member 50 is compressed. When the pressure is released, the pressure disappears, and the compressed elastic reset member 50 returns to its initial state.

[0048] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7As shown, the conductive piece 30 is made of phosphor bronze material, and the surface is silver-plated. The conductive piece 30 is provided with a plurality of conductive pieces 30, and in this embodiment, the number of conductive pieces 30 is three, and is equal to the number of the switch button 20. The three conductive pieces 30 are respectively located in the first sub-cavity 151, the second sub-cavity 152, and the third sub-cavity 153. The conductive piece 30 is fixedly arranged at the bottom of the switch button 20. In the installation, the extension part 202 of the switch button 20 extends into the mounting cavity 15 through the through hole 112, and the conductive piece 30 is fixedly installed at the bottom of the extension part 202. The conductive piece 30 is provided with a fixed part 301 and an abutting part 302, and the abutting part 302 is respectively located at both sides of the fixed part 301. The bottom of the extension part 202 of the switch button 20 is provided with an opening matched with the shape of the fixed part 301, and the fixed part 301 is fixedly installed in the opening. The abutting part 302 is used to form electrical contact with the terminal 40 during the pressing operation. When the pressing part 201 of the switch button 20 is pressed, the extension part 202 goes down, and the extension part 202 drives the conductive piece 30 to move towards the terminal 40. The abutting parts 302 at both sides of the fixed part 301 respectively abut against the corresponding terminals 40.

[0049] The terminal 40 includes a first negative terminal 41, a second positive terminal 42, a third positive terminal 43, and a fourth negative terminal 44. The first negative terminal 41 and the second positive terminal 42 are oppositely and spacedly arranged in the first sub-cavity 151. The second positive terminal 42 further has a first connecting piece 421 extending into the second sub-cavity 152. The third positive terminal 43 and the fourth negative terminal 44 are oppositely and spacedly arranged in the third sub-cavity 153. The third positive terminal 43 has a second connecting piece 431 extending into the second sub-cavity 152. The first connecting piece 421 of the second positive terminal 42 and the second connecting piece 431 of the third positive terminal 43 are respectively arranged in the second sub-cavity 152 and abut against the conductive piece 30 in the second sub-cavity 152. The second positive terminal 42 and the first connecting piece 421 are an integral structure, and the third positive terminal 43 and the second connecting piece 431 are an integral structure, which ensures good electrical conductivity and mechanical strength. Each terminal 40 is provided with a contact protrusion 401 on the side facing the conductive piece 30. The contact protrusion 401 is in a semispherical shape, which effectively increases the contact pressure, reduces the contact resistance, and improves the arc ablation resistance.

[0050] Specifically, the inner wall of the shell 10 is provided with a plurality of positioning columns 113, and the plurality of positioning columns 113 are respectively located in the first sub-cavity 151, the second sub-cavity 152, and the third sub-cavity 153. The number of the plurality of positioning columns 113 is equal to the number of the plurality of terminals 40, and the positions are one-to-one corresponding. Each terminal 40 is fixedly connected to the corresponding positioning column 113.

[0051] The terminal 40 further comprises a fifth terminal 45 and a sixth terminal 46, which are located in the second sub-cavity 152 and are arranged opposite to the first connecting piece 421 of the second positive terminal 42 and the second connecting piece 431 of the third positive terminal 43, and the fifth terminal 45 and the sixth terminal 46 form an interface for spare use and can be used to realize different circuit configuration schemes.

[0052] Referring to Figures 2 to 7 As shown, specifically, when the operator touches the first upward switch 21, the operator applies a proper pressing force to the pressing part 201, and the pressing part 201 moves down along the inner wall of the groove 111 stably. The extension part 202 integrally formed with the pressing part 201 moves downward synchronously, the elastic reset member 50 sleeved outside the extension part 202 is compressed, and the elastic reset member 50 gradually stores energy. The conductive member 30 fixed at the bottom of the extension part 202 moves downward, and the abutting parts 302 on both sides of the conductive member 30 correspond to the semispherical contact protrusions 401 of the first negative terminal 41 and the second positive terminal 42 respectively, thereby forming a complete current path.

[0053] When the pressing part 201 on the first upward switch 21 is released, the reset process is entered, the compressed elastic reset member 50 releases the stored elastic potential energy, generates a stable reset force, and pushes the pressing part 201 back to the initial position. The first upward switch 21 moves up stably under the action of the elastic reset member 50, the abutting parts 302 on both sides of the conductive member 30 are quickly separated from the contact protrusions 401 of the first negative terminal 41 and the second positive terminal 42, and all moving parts are accurately reset, thereby being ready for the next operation.

[0054] When the operator touches the third downward switch 23, the operator applies a proper pressing force to the pressing part 201, and the pressing part 201 moves down along the inner wall of the groove 111 stably. The extension part 202 integrally formed with the pressing part 201 moves downward synchronously, the elastic reset member 50 sleeved outside the extension part 202 is compressed, and the elastic reset member 50 gradually stores energy. The conductive member 30 fixed at the bottom of the extension part 202 moves downward, and the abutting parts 302 on both sides of the conductive member 30 correspond to the semispherical contact protrusions 401 of the third positive terminal 43 and the fourth negative terminal 44 respectively, thereby forming a complete current path.

[0055] When the pressing part 201 on the third downward switch 23 is released, the reset process is entered, the compressed elastic reset member 50 releases the stored elastic potential energy, generates a stable reset force, and pushes the pressing part 201 back to the initial position. The third downward switch 23 moves up stably under the action of the elastic reset member 50, the abutting parts 302 on both sides of the conductive member 30 are quickly separated from the contact protrusions 401 of the third positive terminal 43 and the fourth negative terminal 44, and all moving parts are accurately reset, thereby being ready for the next operation.

[0056] When the operator presses the second stop switch 22, the safety cut-off function is realized: the pressing part 201 moves downward to drive the extension part 202 to move downward, and the conductive part 30 fixed at the bottom of the extension part 202 is lowered. The conductive part 30 is away from the first connecting sheet 421 and the second connecting sheet 431 at the same time, and the elastic reset part 50 sleeved on the extension part 202 provides stable operation feedback force and reset force. The conductive part 30 disconnects the first connecting sheet 421 and the second connecting sheet 431, and realizes the safety cut-off function.

[0057] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A manual push button switch characterized by, The utility model relates to a three-position switch, comprising: a housing (10) formed with a mounting cavity (15) including a first sub-cavity, a second sub-cavity and a third sub-cavity; three switch buttons (20) each movably arranged on the housing (10) and corresponding to one of the sub-cavities; three conductive members (30) each fixed to the bottom of one of the switch buttons (20); three elastic return members (50) each arranged corresponding to one of the switch buttons (20) for driving the switch button (20) to return; a terminal (40) including a first negative terminal (41) and a second positive terminal (42) oppositely and spacedly arranged in the first sub-cavity (151), and a third positive terminal (43) and a fourth negative terminal (44) oppositely and spacedly arranged in the third sub-cavity (153); wherein the second positive terminal (42) has a first connecting piece (421) extending into the second sub-cavity (152), and the third positive terminal (43) has a second connecting piece (431) extending into the second sub-cavity (152); the first connecting piece (421) and the second connecting piece (431) are oppositely and spacedly arranged in the second sub-cavity (152) and abut against the conductive member (30) in the second sub-cavity (152). The switch button (20) includes a first position and a second position, and is in the first position when approaching the inside of the housing (10) and in the second position when away from the inside of the housing (10).

2. The manual push button switch according to claim 1, characterized in that Each of the switch buttons (20) is provided with a pressing portion (201) and an extending portion (202), and the extending portion (202) is vertically arranged at the bottom of the pressing portion (201); the housing (10) is provided with a groove (111) corresponding to each of the switch buttons (20), and a through hole (112) communicating with the mounting cavity (15) is formed at the bottom of the groove (111); the pressing portion (201) of the switch button (20) is arranged in the groove (111), and the extending portion (202) of the switch button (20) extends into the mounting cavity (15) through the through hole (112).

3. The manual push button switch according to claim 2, wherein The elastic return member (50) is sleeved outside the extending portion (202) of the switch button (20), one end of which abuts against the inner wall of the pressing portion (201) of the switch button (20), and the other end of which is supported at the bottom of the groove (111).

4. The manual push button switch according to claim 2, wherein The conductive member (30) is provided with a fixing portion (301) and an abutting portion (302), and the abutting portion (302) is located at both sides of the fixing portion (301); the bottom of the extending portion (202) of the switch button (20) is provided with an opening matching the shape of the fixing portion (301), and the fixing portion (301) is fixedly arranged in the opening, and the abutting portion (302) is used for forming electrical contact with the terminal (40).

5. The manual push button switch according to claim 1, wherein Each of the terminals (40) is provided with a contact protrusion (401) on the side facing the conductive piece (30), and the contact protrusion (401) is in a semispherical shape.

6. The manual push button switch according to claim 1, wherein The inner wall of the shell (10) is provided with a plurality of positioning columns (113), and the plurality of positioning columns (113) are respectively located in the first sub-cavity (151), the second sub-cavity (152) and the third sub-cavity (153); the number of the plurality of positioning columns (113) is equal to the number of the plurality of terminals (40), and the positions are one-to-one corresponding; each of the terminals (40) is fixedly connected to the corresponding positioning column (113).

7. The manual push button switch according to claim 1, wherein The plurality of terminals (40) further comprises a fifth terminal (45) and a sixth terminal (46), the fifth terminal (45) and the sixth terminal (46) are located in the second sub-cavity (152), and are oppositely arranged with the first connecting sheet (421) of the second positive terminal (42) and the second connecting sheet (431) of the third positive terminal (43).

8. The manual push button switch of claim 1, wherein The shell (10) comprises an upper shell (11) and a lower shell (12), the upper shell (11) and the lower shell (12) are buckled to form the mounting cavity (15); the lower shell (12) is provided with a U-shaped opening (121) on both sides for introducing external wires.

9. The manual push button switch according to claim 8, wherein The shell (10) further comprises an outer shell (13), the outer shell (13) is sleeved on the outer side of the lower shell (12) and is fixedly connected with the upper shell (11), and the side wall of the outer shell (13) is provided with a through hole (131), the position of the through hole (131) corresponds to the U-shaped opening (121) of the lower shell (12) to form a channel for introducing external wires.

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