CN217955726U

CN217955726U - Button is from reset unit, switching device and equipment pressure head

Info

Publication number: CN217955726U
Application number: CN202222436239.6U
Authority: CN
Inventors: 陈楚; 张彭良; 王玲玲; 胡华安; 厉身; 金帅
Original assignee: Wenzhou Zhengtai Smart Home Technology Co ltd
Current assignee: Wenzhou Zhengtai Smart Home Technology Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-12-02
Anticipated expiration: 2032-09-13

Abstract

The utility model relates to a button switch technical field, concretely relates to button is from reset assembly, switching device and equipment pressure head. A button self-reset assembly comprising: the knob body is provided with a matching groove, a limiting piece is arranged in the matching groove, and the limiting piece extends along the axial direction of the matching groove; the resetting elastic piece is arranged in the matching groove, the resetting elastic piece and the matching groove are coaxially arranged, and one end of the resetting elastic piece is tightly matched with the limiting piece in a clamping manner; and the switch ejector rod is connected with one end of the reset elastic piece, which deviates from the limiting piece, in a butt joint mode, and is in sliding fit with the matching groove. In the process of pushing the switch ejector rod, the limiting part can limit the movement stroke of the switch ejector rod, the phenomenon that the whole length of the reset elastic part is reduced due to overlarge stress in the assembling process is avoided, the contact pressure between the movable contact and the fixed contact of the switch is kept normal after the switch is assembled is guaranteed, and the temperature rise of the automatically assembled switch after the switch is electrified is guaranteed to be normal.

Description

Button is from reset unit, switching device and equipment pressure head

Technical Field

The utility model relates to a button switch technical field, concretely relates to button is from reset assembly, switching device and equipment pressure head.

Background

Along with industrial upgrading and automatic intelligent manufacturing and production popularization in the field of electrical switch sockets, a traditional switch button and spring hand-through mode is influenced by adverse factors such as low production efficiency and high labor cost, and gradually quits from a historical stage, and meanwhile, due to the fact that the switch button and the spring are matched and high in matching precision requirement, the switch button and the spring are difficult to press and are prone to falling off after being matched, and automatic production efficiency and productivity are influenced. The whole length of the spring is shortened after the pressing, so that the spring force is reduced, the contact pressure between the movable contact and the fixed contact of the switch is reduced, the normal operation hand feeling of the switch is influenced, the contact resistance is increased due to the reduction of the contact pressure between the movable contact and the fixed contact of the switch, the temperature rise is higher after the switch is electrified, and the product performance is not facilitated; the big switch ejector pin pressure head load pressure leads to switch ejector pin head to warp the damage easily when switch automated production, can lead to the switch to normally operate and feel lighter, can lead to the switch to normally operate the temperature rise on the high side simultaneously.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the button switch among the prior art can cause the damage to spring or button when automatic assembly and lead to the switch on the high side defect of temperature rise when using to a button is from reset assembly and have its switching device is provided.

In order to solve the technical problem, the utility model provides a button is from reset assembly, include:

the knob body is provided with a matching groove, a limiting piece is arranged in the matching groove, and the limiting piece extends along the axial direction of the matching groove;

the resetting elastic part is arranged in the matching groove, the resetting elastic part and the matching groove are coaxially arranged, and one end of the resetting elastic part is tightly matched with the limiting part in a clamping manner;

and the switch ejector rod is connected with one end of the reset elastic piece, which deviates from the limiting piece, in a butt joint mode, and is in sliding fit with the matching groove.

Optionally, the stopper includes:

the fixing column is fixedly arranged at the bottom of the matching groove;

the first limiting ribs are connected to the side face of the fixing column, the first limiting ribs are arranged along the circumferential direction of the fixing column at intervals, and the first limiting ribs extend along the axial direction of the matching grooves.

Optionally, the first limiting rib includes a guide portion and a positioning portion, the positioning portion is disposed between the guide portion and the bottom surface of the matching groove, a guide surface is disposed on a side of the guide portion away from the fixing column, the guide surface is disposed in an inclined manner, and a distance between one end of the guide surface close to the positioning portion and the axis of the fixing column is greater than a distance between one end of the guide surface away from the positioning portion and the axis of the fixing column.

Optionally, the stopper includes: the spacing muscle of a plurality of seconds is connected the medial surface in cooperation groove is a plurality of the spacing muscle of second is followed the direction interval that encircles of the inside wall in cooperation groove sets up, the spacing muscle of second is followed the axial extension in cooperation groove is a plurality of enclose synthetic spacing space between the spacing muscle of second, the switch ejector pin orientation elastic component one end that resets is equipped with spacing portion, spacing space is less than spacing portion is in the ascending width of at least one side in circumference.

Optionally, the limiting part is cylindrical, and the width of the limiting space in at least one direction is smaller than the diameter of the limiting part.

Optionally, the elastic reset piece is a reset spring, the limiting portion and the reset spring are coaxially arranged, and the limiting portion extends into the reset spring.

Optionally, the switch plunger is tapered away from the return spring.

The utility model also provides a switching device, have the button from reset assembly.

The utility model also provides an equipment pressure head is applied to switching device's automation line, be provided with the cooperation recess on the equipment pressure head, the cooperation recess is suitable for the one end butt cooperation that deviates from the locating part with the switch ejector pin.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a button is from reset unit, include: the knob body is provided with a matching groove, a limiting piece is arranged in the matching groove, and the limiting piece extends along the axial direction of the matching groove; the resetting elastic part is arranged in the matching groove, the resetting elastic part and the matching groove are coaxially arranged, and one end of the resetting elastic part is tightly matched with the limiting part in a clamping manner; and the switch ejector rod is connected with one end of the reset elastic piece, which deviates from the limiting piece, in a butt joint mode, and is in sliding fit with the matching groove.

When the button self-resetting assembly is assembled in the automatic production process, the resetting elastic piece is placed in the matching groove of the button body, the switch ejector rod is placed at one end, away from the limiting part, of the resetting elastic piece, the pressing head on the assembly line applies thrust to the switch ejector rod, the switch ejector rod extrudes the resetting elastic piece, and the resetting spring piece is matched with the limiting part in a clamping mode. In the process of pushing the switch ejector rod, the limiting part can limit the movement stroke of the switch ejector rod, the phenomenon that the whole length of the reset elastic part is reduced due to overlarge stress in the assembling process is avoided, the contact pressure between the movable contact and the fixed contact of the switch is kept normal after the switch is assembled is guaranteed, the contact resistance of the switch which is automatically assembled cannot be increased, and the temperature rise of the switch which is automatically assembled after the switch is electrified is guaranteed to be normal. And utilize the locating part to carry out chucking spacing to the elastic component that resets after the equipment, the elastic component that resets can not drop from the cooperation groove of button body in the follow-up equipment work of switch, can promote the production efficiency of the automatic equipment of switch greatly.

2. The utility model provides a button is from reset unit, the locating part includes: the fixing column is fixedly arranged at the bottom of the matching groove; the first limiting ribs are connected to the side face of the fixing column, the first limiting ribs are arranged along the circumferential direction of the fixing column at intervals, and the first limiting ribs extend along the axial direction of the matching grooves. In the process of assembling the button self-resetting assembly, the switch ejector rod extrudes the resetting elastic piece, the resetting elastic piece is tightly clamped on the first limiting ribs, and the fixed column limits the movement stroke of the switch ejector rod.

3. The utility model provides a button is from reset unit, the locating part includes: the spacing muscle of a plurality of seconds is connected the medial surface of cooperation groove, it is a plurality of the spacing muscle of second is followed the direction interval that encircles of the inside wall of cooperation groove sets up, the spacing muscle of second is followed the axial extension of cooperation groove is a plurality of enclose synthetic spacing space between the spacing muscle of second, the switch ejector pin orientation the elastic component one end that resets is equipped with spacing portion, spacing space is less than spacing portion is in the ascending width of at least one side in circumference. In the process of assembling the button self-resetting assembly, the switch ejector rod extrudes the resetting elastic piece, the resetting elastic piece is clamped between the second limiting ribs, and meanwhile, the second limiting ribs limit the movement stroke of the switch ejector rod.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a button self-resetting assembly according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a button body provided in an embodiment of the present invention.

Fig. 3 is a schematic structural view of a button body according to another embodiment of the present invention.

Fig. 4 is a schematic structural view of a button body according to another embodiment of the present invention.

Fig. 5 is a schematic structural view of an assembled indenter according to an embodiment of the present invention.

Fig. 6 is a schematic view of the operation of assembling the button-to-button self-resetting assembly by the assembling press according to the embodiment of the present invention.

Description of the reference numerals: 1. a button body; 2. a restoring elastic member; 3. opening and closing the ejector rod; 4. a mating groove; 5. fixing a column; 6. a first limiting rib; 7. a second limiting rib; 8. a mating groove; 9. a limiting part.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

Fig. 1 and 2 show a button self-resetting assembly provided by the present embodiment, which includes a button body 1, a resetting elastic member 2 and a switch plunger 3. In this embodiment, the elastic return element 2 is a return spring.

The button body 1 is provided with a matching groove 4 for mounting the reset elastic piece 2, a limiting piece is arranged in the matching groove 4, and the limiting piece extends along the axial direction of the matching groove 4.

The elastic component 2 that resets is installed in cooperation groove 4, and the elastic component 2 that resets sets up with cooperation groove 4 is coaxial, and 2 one end of elastic component that resets and locating part chucking cooperation.

The switch ejector rod 3 is connected with the reset elastic piece 2 and is arranged at one end of the reset elastic piece, which is far away from the limiting piece, and the switch ejector rod 3 is in sliding fit with the matching groove 4.

In this embodiment, the limiting member includes a fixing column 5 and a plurality of first limiting ribs 6. The fixing column 5 is fixedly arranged at the bottom of the matching groove 4. A plurality of first spacing muscle 6 are connected in the side of fixed column 5, and a plurality of first spacing muscle 6 set up along the circumference interval of fixed column 5, and first spacing muscle 6 is along the axial extension of cooperation groove 4. In this embodiment, first spacing muscle 6 is provided with threely at the interval around fixed column 5, for the convenience of the locating part that resets under the exogenic action with 6 chucking of first spacing muscle, first spacing muscle 6 includes guide part and location portion, location portion locates between guide part and the cooperation groove 4 bottom surfaces, one side that fixed column 5 was kept away from to the guide part is equipped with the spigot surface, the spigot surface slope sets up, the spigot surface is close to the one end of location portion and the distance between the 5 axes of fixed column and is greater than the spigot surface and keeps away from the distance between the one end of location portion and the 5 axes of fixed column. Switch ejector pin 3 is equipped with spacing portion 9 towards 2 one end of elastic component that resets, and spacing portion 9 is cylindrically, and elastic component 2 that resets is reset spring, reset spring one end and spacing portion 9 interference fit, the other end and the location portion interference fit of first spacing muscle 6. The limiting part 9 is coaxially arranged with the return spring, and the limiting part 9 extends into the return spring. The limiting part 9 is suitable for being abutted to the fixing column 5 to limit the movement stroke of the switch ejector rod 3. In order to apply thrust to the switch ejector rod 3 conveniently, the pressure head on the production line is in butt joint with the switch ejector rod 3, and the switch ejector rod 3 deviates from the reset elastic part 2 and is in a conical shape.

By arranging the inclined guide surface, the switch mandril 3 is pressed by force to drive the reset spring to be easily clamped on the first limiting rib 6 in the matching groove 4, the driving load of the automatic pressure head is less, the reset spring is not easy to fall off from the matching groove 4 of the button body 1 after matching, simultaneously, after the reset spring and the tightening end ring are matched with the first limiting rib 6, the reset spring part is contacted with the first limiting rib 6, the problems that the reset spring is plastically deformed and shortened and the reset spring cannot be pressed to a position when the reset spring is driven by a larger load are avoided, the automatic production efficiency and productivity of the button self-reset assembly can be improved, the reject ratio of actual production is reduced, and the quality of a switch product can be improved,

as an alternative embodiment, as shown in fig. 3, two first limiting ribs 6 are arranged around the fixing column 5.

As an alternative embodiment, the elastic restoring element 2 may also be a restoring rubber block, and the restoring rubber block is provided with a yielding groove at a position corresponding to the first limiting rib 6.

As an alternative embodiment, as shown in fig. 4, the first limiting member includes a plurality of second limiting ribs 7 connected to the inner side surface of the fitting groove 4, the plurality of second limiting ribs 7 are arranged at intervals along the surrounding direction of the inner side wall of the fitting groove 4, the second limiting ribs 7 extend along the axial direction of the fitting groove 4, a limiting space is enclosed between the plurality of second limiting ribs 7, a limiting portion 9 is arranged at one end of the switch mandril 3 facing the elastic return element 2, and the width of the limiting space in at least one direction in the circumferential direction is smaller than the width of the limiting portion 9 in at least one direction in the circumferential direction. The limiting part 9 is cylindrical, and the width of at least one direction of the limiting space is smaller than the diameter of the limiting part 9. In this embodiment, the number of the second limiting ribs 7 is three, the limiting spaces surround a cylindrical space, and the diameter of each limiting space is smaller than that of the corresponding limiting portion 9.

Example 2

This embodiment provides a switch device having the button self-resetting module described in embodiment 1.

Example 3

As shown in fig. 5 and fig. 6, this embodiment provides an assembly pressure head, which is applied to the automatic production line of the switch device in embodiment 2, a matching groove 8 is provided on the assembly pressure head, one end of the switch ejector rod 3 departing from the limiting member is tapered, and the matching groove 8 is adapted to be in abutting fit with one end of the switch ejector rod 3, which is tapered. 8 structures of cooperation recess and the complementary of 3 head toper structures of switch ejector pin, the pressfitting in-process face is more even with face contact atress, it drives reset spring in the locating part of the light card income in the cooperation groove 4 of button body 1 to be convenient for 3 atress pressfittings of switch ejector pin, the drive load that automatic equipment pressure head need be applyed to switch ejector pin 3 is less, reset spring is difficult to drop from the cooperation groove 4 of button body 1 after the cooperation, because equipment pressure head load pressure is big partially when having avoided automated production, the 3 head deformation damage of switch ejector pin that lead to shortens, influence the normal operating of switch and feel lighter partially, influence the normal operating temperature rise of switch high partially simultaneously. The equipment pressure head structure that provides in this embodiment can not only promote automated production efficiency and productivity, reduces the actual production defective rate, but also can promote switch product quality.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. A button self-resetting assembly, comprising:

the button comprises a button body (1), wherein a matching groove (4) is formed in the button body, a limiting piece is arranged in the matching groove (4), and the limiting piece extends along the axial direction of the matching groove (4);

the reset elastic piece (2) is installed in the matching groove (4), the reset elastic piece (2) and the matching groove (4) are coaxially arranged, and one end of the reset elastic piece (2) is tightly matched with the limiting piece in a clamping mode;

and the switch ejector rod (3) is abutted and installed at one end of the reset elastic piece (2) deviating from the limiting piece, and the switch ejector rod (3) is in sliding fit with the matching groove (4).

2. The button self-resetting assembly according to claim 1, wherein the stopper comprises:

the fixing column (5) is fixedly arranged at the bottom of the matching groove (4);

a plurality of first spacing muscle (6) are connected the side of fixed column (5), and are a plurality of first spacing muscle (6) are followed the circumference interval setting of fixed column (5), first spacing muscle (6) are followed the axial extension of cooperation groove (4).

3. The button self-resetting assembly according to claim 2, wherein the first limiting rib (6) comprises a guide part and a positioning part, the positioning part is arranged between the guide part and the bottom surface of the matching groove (4), a guide surface is arranged on one side of the guide part away from the fixing column (5), the guide surface is obliquely arranged, and the distance between one end of the guide surface close to the positioning part and the axis of the fixing column (5) is larger than the distance between one end of the guide surface away from the positioning part and the axis of the fixing column (5).

4. The button self-resetting assembly according to any one of claims 1 to 3, wherein the retaining member comprises: spacing muscle (7) of a plurality of seconds are connected the medial surface of cooperation groove (4), it is a plurality of spacing muscle (7) of second are followed the direction interval that encircles of the inside wall of cooperation groove (4) sets up, spacing muscle (7) of second are followed the axial extension of cooperation groove (4) is a plurality of enclose synthetic spacing space between the spacing muscle (7) of second, switch ejector pin (3) orientation elastic component (2) one end that resets is equipped with spacing portion, spacing space is less than in at least one ascending width in the at least one side of circumference of spacing portion.

5. The button self-resetting assembly according to claim 4, wherein the limiting part is cylindrical, and the width of the limiting space in at least one direction is smaller than the diameter of the limiting part.

6. The button self-resetting assembly according to claim 5, wherein the resetting elastic member (2) is a resetting spring, the limiting portion is coaxially arranged with the resetting spring, and the limiting portion extends into the resetting spring.

7. The button self-resetting assembly according to any one of claims 1 to 3, characterized in that the switch plunger (3) tapers away from the reset spring (2).

8. A switching device having the button self-resetting assembly of any one of claims 1 to 7.

9. An assembly indenter, characterized in that, be applied to the switching device's of claim 8 automation line, be provided with cooperation recess (8) on the assembly indenter, cooperation recess (8) are suitable for and switch ejector pin (3) deviate from the one end butt cooperation of locating part.