CN217134254U

CN217134254U - Sliding contact microswitch

Info

Publication number: CN217134254U
Application number: CN202122992317.6U
Authority: CN
Inventors: 钟连祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-08-05
Anticipated expiration: 2031-12-01

Abstract

The utility model relates to a slidingtype contact micro-gap switch, including the base, set up common terminal, output terminal, shell on the base, still include according to sincere, the sealing washer be connected with the shell, glue the shell and can assemble operating handle, according to sincere bottom be equipped with the clip, connect the spring piece that resets between clip and base common terminal. The bottom of the pressing part is provided with a mounting groove and a positioning column; the splayed structure of the clip is connected with the output terminal side of the base. The utility model discloses a clip only needs to apply the power of a direction and can pack into according to sincere mounting groove in, and the location is accurate, and the installation is quick, convenient and simple, and the shell can be connected according to sincere, sealing washer, spring, base fast simultaneously to can cooperate automation equipment to accomplish automatic assembly better, break away from artificial dependence, improve production efficiency. The structure of clip splayed is succinct relatively, including fixing base and two conduction portions, has not only reduced the degree of difficulty of production and processing, and facilitates the use automation equipment and assembles.

Description

Sliding contact microswitch

Technical Field

The utility model relates to the technical field of switches, concretely relates to slidingtype contact micro-gap switch.

Background

The term switch is to be interpreted as open and closed, it also refers to an electrical component that can open a circuit, interrupt a current, or cause it to flow to other circuits. Common switches include sliding contact microswitches, ship-type switches, toggle switches, push-button switches, and the like. The slide contact microswitch is a switch having a minute contact interval and a snap action mechanism, a contact mechanism for performing a switching operation with a predetermined stroke and a predetermined force, covered with a case, and a drive lever outside thereof. Microswitch is according to the difference of its applied scene, the structure is distinguished to some extent, some microswitches of current, because the slip that needs pass through the moving part realizes switching on or breaking off, the moving part need set up a lot of specific connection or limit structure, not only the installation is troublesome, still lead to holistic structure more complicated, be difficult to adopt automation equipment to assemble, need rely on the manual work to carry out the operation in the equipment process, the inefficiency, under the environment that constantly turns to automation in present manufacturing, the development of enterprise has been unfavorable for to manual work, consequently, need optimize slidingtype contact microswitch's structure, reduce its equipment degree of difficulty.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a slidingtype contact micro-gap switch.

The utility model discloses a following scheme realizes: the utility model provides a slidingtype contact micro-gap switch, includes the base, set up in common terminal and output terminal on the base, install in shell on the base, common terminal and output terminal five metals package mould in on the base, slidingtype contact micro-gap switch still includes:

the pressing part is connected with the shell, the base and the shell form an accommodating space, the pressing part is arranged in the accommodating space, the upper end part of the pressing part penetrates through the shell to extend to the outside, and an installation groove is formed in the bottom of the pressing part;

the clamp is connected in the mounting groove at the bottom of the pressing part and comprises a fixed seat connected with the pressing part, a first conduction part and a second conduction part, the first conduction part and the second conduction part are connected with the fixed seat and are symmetrically arranged, and the first conduction part and the second conduction part are arranged on one side, close to the output terminal, of the fixed seat;

the elastic resetting piece is connected between the clamp and the base, and the elastic resetting piece conducts the common terminal and the clamp;

the first conduction part and the second conduction part respectively comprise a connecting arm connected with the fixed seat and a conduction arm arranged at the tail end of the connecting arm, the lower end of the conduction arm is connected with the connecting arm, the conduction arm of the first conduction part and the conduction arm of the second conduction part form a splayed shape, and the fixed seat is connected with the elastic reset piece; when pressing according to sincere time, the first conduction portion of clip, second conduction portion with output terminal switches on or breaks off, when pressing clip and output terminal disconnection when according to sincere be the normally closed switch, when pressing clip conduction portion is connected with output terminal when pressing for normally open switch.

Furthermore, the upper end of the conduction arm is bent outwards to form a contact part for contacting the output terminal.

Furthermore, the side of the fixing seat is provided with a plurality of concave parts, and the pressing part is provided with positioning columns corresponding to the concave parts.

Furthermore, the side of fixing base is provided with a plurality of bulge, according to sincerely be provided with the constant head tank that the bulge corresponds.

Furthermore, the pressing latch comprises a sliding seat connected with the shell and a pressing handle arranged on the sliding seat, and the mounting groove is arranged at the bottom of the sliding seat; the position of the base corresponding to the first conduction part and the position of the base corresponding to the second conduction part are both provided with a limiting part; a sealing ring is connected between the upper end part of the pressing handle and the shell.

Further, the inner wall of the shell is provided with a sliding groove, and the sliding seat is provided with a sliding part corresponding to the sliding groove.

Furthermore, the lateral wall of shell is provided with a plurality of spliced pole, the inner wall of shell is provided with the inserting groove, the base be provided with the grafting portion that the inserting groove matches.

Furthermore, a supporting part matched with the output terminal is arranged at the position of the base corresponding to the output terminal, and the upper end part of the output terminal extends to the upper end of the supporting part.

Furthermore, the base is provided with a fixing part for connecting the elastic reset piece, and the common terminal penetrates through the middle of the fixing part and is in contact with the elastic reset piece.

Furthermore, the sliding contact microswitch also comprises an elastic pressing piece, one end of the elastic pressing piece is connected with the shell, the other end of the elastic pressing piece extends to the upper part of the pressing body, and the shell is provided with a plug hole used for connecting the elastic pressing piece.

Contrast prior art, the utility model discloses following beneficial effect has:

the utility model discloses a clip only needs to apply the power of a direction and can pack into according to sincere mounting groove in, and the location is accurate, and the installation is quick, convenient and simple, and the shell can be connected according to sincere, base fast simultaneously to can cooperate automation equipment to accomplish automatic equipment better, break away from artificial dependence, improve production efficiency, improve the productivity effect of enterprise. The structure of clip is succinct relatively, includes fixing base and two conduction parts, has not only reduced the degree of difficulty of production and processing, and facilitates the use automation equipment and assemble, and on the other hand, the clip can be fixed a position fast and the direction through the cooperation of interior concave part and reference column, bulge and constant head tank, has further reduced the equipment degree of difficulty. The utility model discloses an overall structure is succinct relatively, and reasonable in design has reduced the equipment degree of difficulty, more does benefit to and uses automation equipment to assemble the operation.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of a sliding contact microswitch provided by the present invention.

Fig. 2 is a cross-sectional view of embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of embodiment 1 of the present invention, in which the housing and the elastic pressing member are hidden.

Fig. 4 is a schematic view of the clip and the output terminal according to embodiment 1 of the present invention.

Fig. 5 is a schematic view of the combination of the clip and the pressing part according to embodiment 1 of the present invention.

Fig. 6 is a schematic structural view of a clip according to embodiment 1 of the present invention.

Fig. 7 is a schematic structural diagram of embodiment 1 of the present invention, in which the base, the common terminal, and the output terminal are hidden.

Fig. 8 is a schematic structural view of embodiment 2 of the present invention, in which the housing and the elastic pressing member are hidden.

The figure includes: the elastic pressing piece comprises a base 1, a common terminal 11, an output terminal 12, a plugging part 13, a supporting part 14, a fixing part 15, a shell 2, a sliding groove 21, a connecting column 22, a plugging groove 23, a plugging hole 24, a pressing body 3, a mounting groove 31, a positioning column 32, a positioning groove 33, a sliding seat 34, a pressing handle 35, a limiting part 36, a sealing ring 37, a sliding part 38, a clamp 4, a fixing seat 41, a first conduction part 42, a connecting arm 42a, a conduction arm 42b, a contact part 42c, a second conduction part 43, an inner concave part 44, a convex part 45, an elastic resetting piece 5 and an elastic pressing piece 6.

Detailed Description

To facilitate understanding of the present invention for those skilled in the art, the present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

Example 1

Referring to fig. 1 to 7, the utility model provides a pair of sliding contact micro-gap switch, including base 1, set up in common terminal 11 and output terminal 12 on the base 1 install in shell 2 on the base 1, common terminal 11 and output terminal 12 all pass base 1 and extend to the top of base 1, sliding contact micro-gap switch still includes:

the pressing part 3 is connected with the shell 2, the base 1 and the shell 2 form an accommodating space, the pressing part 3 is arranged in the accommodating space, the upper end part of the pressing part 3 penetrates through the shell 2 to extend to the outside, and the bottom of the pressing part 3 is provided with an installation groove 31;

the clamp 4 is connected in the mounting groove 31 at the bottom of the pressing device 3, the clamp 4 comprises a fixed seat 41 connected with the pressing device 3, a first conduction part 42 and a second conduction part 43 connected with the fixed seat 41, the first conduction part 42 and the second conduction part 43 are symmetrically arranged, and the first conduction part and the second conduction part are arranged on one side, close to the output terminal, of the fixed seat;

the elastic reset piece 5 is connected between the clip 4 and the base 1, the elastic reset piece 5 conducts the common terminal 11 and the clip 4, in the embodiment, the elastic reset piece 5 adopts a spiral spring, the elastic reset piece 5 can give a resilience force to the pressing piece 3, and the reset action can be realized after the pressing;

each of the first conduction portion 42 and the second conduction portion 43 includes a connecting arm 42a connected to the fixed base 41, and a conduction arm 42b provided at a distal end of the connecting arm 42a, a lower end of the conduction arm 42b is connected to the connecting arm 42a, an upper end of the conduction arm 42b is inclined toward a center line of the clip 4, and a certain interval is provided between the conduction arm 42b of the first conduction portion 42 and the conduction arm 42b of the second conduction portion 43, in this embodiment, the conduction arm 42b of the first conduction portion 42 and the conduction arm 42b of the second conduction portion 43 substantially form an "eight" shape, the middle interval is passed through by the output terminal 12, and the first conduction portion 42 and the second conduction portion 43 have certain elasticity and can clamp the output terminal 12. In this embodiment, the first conduction part 42 and the second conduction part 43 are disposed on both sides of the fixed base 41 in the width direction (that is, the symmetry reference of the first conduction part 42 and the second conduction part 43 is a center line in the length direction). When pressing according to sincere 3, the first conduction portion 42, the second conduction portion 43 of clip 4 with output terminal 12 switches on or breaks off, also promptly when pressing according to sincere time, the first conduction portion, the second conduction portion of clip with output terminal switches on or breaks off, when pressing clip and output terminal disconnection when according to sincere be the normally closed switch, when pressing clip conduction portion is connected with output terminal when pressing is normally open switch. In this embodiment, the first conduction part and the second conduction part of the clip are in contact with the output terminal in the initial state, and when the pressing body is pressed, the clip is disconnected from the output terminal, which is a normally closed switch. The utility model discloses a clip 4 structure is succinct relatively, is favorable to reducing the degree of difficulty of automation mechanized operation, and the automation equipment of being convenient for carries out automatic assembly.

In this embodiment, the first conduction arm 42b is L-shaped, and extends downward from one side of the width direction of the fixing base 41 and then bends and extends toward the length direction of the fixing base 41 (i.e., one side of the fixing base 41). The upper end of the conduction arm 42b is bent outward to form a contact portion 42c for contacting the output terminal 12.

The side of the fixed seat 41 is provided with a plurality of concave parts 44, and the pressing part 3 is provided with positioning columns 32 corresponding to the concave parts 44. In the present embodiment, the fixing seat 41 is substantially rectangular, two concave portions 44 are provided, which are respectively provided at two shorter sides and correspond in position, the number and position of the positioning columns 32 all correspond to those of the concave portions 44, and the cooperation of the concave portions 44 and the positioning columns 32 enables the clip 4 to be quickly connected to the pressing portion 3 and achieve a fixing effect (which can be set as an interference fit). The concave portion 44 is arc-shaped in this embodiment, but may be configured in other shapes in practical implementation.

The side of fixing base 41 is provided with a plurality of bulge 45, press sincere 3 to be provided with the constant head tank 33 that bulge 45 corresponds. The bulge 45 is provided with two, sets up respectively in two longer limits departments, and the position corresponds, and the quantity and the position of constant head tank 33 all correspond with bulge 45, and the cooperation of bulge 45 and constant head tank 33 makes clip 4 can be connected to according to sincere 3 department fast, combines interior recess 44 and reference column 32 join in marriage with, can fix clip 4 better. The protruding portion 45 is arc-shaped in this embodiment, but may be configured in other shapes in practical implementation. At the same time, the positioning slot 33 may also provide a mounting location for the elastic restoring member 5.

The pressing device 3 comprises a sliding seat 34 connected with the shell 2, and a pressing handle 35 arranged on the sliding seat 34, wherein the mounting groove 31 is arranged at the bottom of the sliding seat 34; the base 1 with the position that first conduction part 42 corresponds base 1 with the position that second conduction part 43 corresponds all is provided with spacing portion 36, and two spacing portions 36 can play limiting displacement to first conduction part 42, second conduction part 43 respectively, avoid first conduction part 42 and second conduction part 43 excessive deformation. A sealing ring 37 is connected between the upper end of the pressing handle 35 and the housing 2. The positioning column 32 is arranged at the bottom of the groove, and the positioning grooves 33 are respectively arranged on the inner walls of two sides of the groove. Two reference columns 32 set up respectively at the both ends of mounting groove 31 bottom, can restrict the position of clip 4, avoid taking place to slide. The utility model discloses in, clip 4 only need apply the power of a direction can be impressed it in mounting groove 31, realize and according to sincere 3 connection, it is more convenient to assemble.

The inner wall of the housing 2 is provided with a sliding groove 21, and the sliding seat 34 is provided with a sliding portion 38 corresponding to the sliding groove 21. The sliding grooves 21 are square grooves, two sliding portions 38 are provided in the embodiment, each sliding groove 21 corresponds to two sliding portions 38, the two sliding portions 38 are respectively in contact fit with the inner walls of the two sides of the sliding groove 21, when the pressing latch 3 is pressed, the sliding portions 38 slide along the square grooves, and the clamp 4 also slides along the square grooves.

The lateral wall of shell 2 is provided with a plurality of spliced pole 22, is provided with two spliced poles 22 in this embodiment, and sets up in the same lateral wall department of shell 2, and the quantity and the position of spliced pole 22 all can carry out the adaptability setting according to actual demand during concrete implementation. The inner wall of the shell 2 is provided with an inserting groove 23, and the base 1 is provided with an inserting part 13 matched with the inserting groove 23. The insertion groove 23 and the insertion part 13 provide a guiding function for the base 1 and the housing 2 during assembly, and also provide a more stable connection between the base 1 and the housing 2. In addition, the insertion part 13 may also play a supporting role for the output terminal 12 according to design requirements.

A supporting part 14 matched with the output terminal 12 is arranged at a position of the base 1 corresponding to the output terminal 12, and the upper end part of the output terminal 12 extends to the upper end of the supporting part 14. In the present embodiment, the clip 4 is constantly in contact with the upper end portion of the output terminal 12, and the clip 4 moves downward when the push-down piece 3 is pushed down, and is disconnected from the output terminal 12, thereby achieving interruption of the electric signal.

The base 1 is provided with a fixing part 15 for connecting the elastic reset piece 5, and the common terminal passes through the middle of the fixing part 15 and contacts with the elastic reset piece 5. Specifically, the base 1 has an opening through which the common terminal 11 passes to divide the fixing portion 15 into two parts, and the fixing portion 15 is formed in an approximately cross shape.

The sliding contact microswitch also comprises an elastic pressing piece 6, one end of the elastic pressing piece 6 is connected with the shell 2, the other end of the elastic pressing piece 6 extends to the upper part of the pressing body 3, and the shell 2 is provided with a plug hole 24 used for connecting the elastic pressing piece 6. In this embodiment, the elastic pressing member 6 is bent at a height corresponding to the top of the pressing latch 3 (slightly higher than the top of the pressing latch 3) to form a pressing arm contacting with the pressing latch 3, and then the end of the pressing arm is bent again to extend out an extension arm, and the end of the extension arm is bent into an arc shape. Of course, the specific shape of the elastic pressing member 6 is not limited, and the suitable shape and length can be selected according to the application scenario of the switch.

Example 2

Referring to fig. 8, in the present embodiment, the first conduction part and the second conduction part of the clip 4 are not in contact with the output terminal in the initial state, and when the clip is pressed, the first conduction part and the second conduction part of the clip are in contact connection with the output terminal, and are normally open switches. And realizing the conduction of the electric signal. Meanwhile, since the clip 4 does not need to be constantly in contact with the output terminal 12, the height of the output terminal 12 is low, and the support portion 14 may not be additionally provided. The rest of the structure is the same as that of example 1, and redundant description is omitted.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the scope of the included claims.

Claims

1. The utility model provides a slidingtype contact micro-gap switch, includes the base, set up in common terminal and output terminal on the base, install in shell on the base, common terminal and output terminal five metals package mould in on the base, its characterized in that, slidingtype contact micro-gap switch still includes:

the first conduction part and the second conduction part respectively comprise a connecting arm connected with the fixed seat and a conduction arm arranged at the tail end of the connecting arm, the lower end of the conduction arm is connected with the connecting arm, the conduction arm of the first conduction part and the conduction arm of the second conduction part form a splayed shape, and the fixed seat is connected with the elastic reset piece; when pressing according to sincere time, the first conduction portion of clip, second conduction portion with output terminal switches on or breaks off, when pressing clip and output terminal disconnection when according to sincere be the normally closed switch, when pressing clip and output terminal connection when pressing are normally open switch.

2. The sliding contact microswitch of claim 1 wherein the upper end of said conduction arm is bent outwardly to form a contact portion for contacting said output terminal.

3. The sliding contact microswitch of claim 2, wherein a plurality of concave portions are arranged on the side surface of the fixed base, and the pressing latch is provided with a positioning column corresponding to the concave portions.

4. The sliding contact microswitch of claim 2 wherein the side of the fixed base is provided with a plurality of projections, and the detent is provided with a positioning slot corresponding to the projections.

5. The sliding contact microswitch of claim 2, wherein the press latch comprises a sliding seat connected to the housing, a press handle disposed on the sliding seat, and the mounting groove is disposed at the bottom of the sliding seat; the position of the base corresponding to the first conduction part and the position of the base corresponding to the second conduction part are both provided with a limiting part; a sealing ring is connected between the upper end part of the pressing handle and the shell.

6. The sliding contact microswitch of claim 5, wherein an inner wall of the housing is provided with a slide groove, and the slide holder is provided with a slide portion corresponding to the slide groove.

7. The sliding contact microswitch of claim 2 wherein the outer side wall of the housing is provided with a plurality of connection posts, the inner wall of the housing is provided with a plug-in groove, and the base is provided with a plug-in portion matching the plug-in groove.

8. The sliding contact microswitch of claim 1, wherein a support portion engaged with the output terminal is provided at a position of the base corresponding to the output terminal, and an upper end portion of the output terminal extends to an upper end of the support portion.

9. The sliding contact microswitch of claim 1, wherein said base is provided with a fixing portion for connecting said elastic reset member, and said common terminal passes through the middle of said fixing portion and contacts said elastic reset member.

10. The sliding contact microswitch according to any one of claims 1 to 9, further comprising an elastic pressing member, wherein one end of the elastic pressing member is connected to the housing, and the other end extends above the pressing body, and the housing is provided with a plug hole for connecting the elastic pressing member.