CN211088095U - Travel switch - Google Patents

Abstract

The utility model discloses a travel switch, include: casing, keysets, switch body and connector. Be provided with the mounting groove in the casing, the terminal of switch body welds on the keysets, and the terminal of connector welds on the keysets. The switch board, the switch body and the connector are connected into a whole and are arranged in the mounting groove, the trigger structure of the switch body extends out of the shell, the interface of the connector is communicated with the outer space of the shell, and the switch body is electrically connected with the connector through the switch board. According to above-mentioned technical scheme's travel switch has the connector, the travel switch of being convenient for is connected with the controller, is convenient for install and the change and the maintenance in later stage, improves production efficiency.

Description

Travel switch

Technical Field

The utility model relates to a switch field, in particular to travel switch.

Background

Travel switch is extensive in occasion application such as motion control, and the connection between it and the controller often realizes through the welding mode, and this kind of mode installation is inconvenient, and the reliability is relatively poor, also is not favorable to later stage change and maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a travel switch has connector and casing, and it is firm to be convenient for install and install.

According to the utility model discloses a travel switch of first aspect embodiment includes: the device comprises a shell, a first fixing piece and a second fixing piece, wherein a mounting groove is formed in the shell; an adapter plate; the terminal of the switch body is welded on the adapter plate; the terminal of the connector is welded on the adapter plate; the switch body reaches the connector set up in the mounting groove, the keysets set up in on the terminal surface of mounting groove, the trigger structure of switch body extends to outside the casing, the interface of connector with the exterior space intercommunication of casing, the switch body with the connector passes through keysets electric connection.

According to the utility model discloses travel switch has following beneficial effect at least: the adapter plate can prolong the terminal of the switch body, is convenient for installation of connectors, and can be connected with connectors of various specifications to adapt to different application scenes. The connector can make the connection between switch body and the controller more convenient and reliable, is favorable to the maintenance of installation and later stage to be changed, improves production efficiency.

According to the utility model discloses a some embodiments, be provided with the boss in the mounting groove, boss one side with the switch body offsets, the boss is used for sharing switch body atress.

According to some embodiments of the invention, the switch body is provided with a recess for receiving the switch body.

According to some embodiments of the invention, the trigger structure is a spring leaf.

According to the utility model discloses a some embodiments, still weld on the keysets and have at least one or more in including chip resistor, paster electric capacity, chip resistor, the paster diode, still print on the keysets with above-mentioned device with the terminal of switch body reaches the terminal electric connection's of connector printed circuit.

According to some embodiments of the present invention, the adapter plate is fixed with the housing through a screw.

According to some embodiments of the utility model, the front orientation of keysets the cell body setting of mounting groove.

According to some embodiments of the present invention, the connector is provided with a slot having the same direction as the interface.

According to some embodiments of the invention, the housing is a cuboid structure having three complete rectangular faces and one incomplete rectangular face.

According to some embodiments of the invention, the incomplete rectangular surface is provided with a wire passing opening.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a travel switch according to an embodiment of the present invention;

FIG. 2 is a schematic view of the housing of FIG. 1;

fig. 3 is a cross-sectional view of fig. 1.

Reference numerals:

a housing 100, a wire through hole 101, a screw hole 102, a mounting groove 110, a boss 111,

the number of the adaptor plates 200 is such that,

a switch body 300, a switch terminal 301, a trigger structure 302,

connector 400, connector terminal 401, card slot 402

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 3, a travel switch according to an embodiment of the present invention includes a housing 100, an interposer 200, a switch body 300, and a connector 400. The switch terminal 301, which is a terminal of the switch body 300, is welded to the interposer 200, the connector terminal 401, which is a terminal of the connector 400, is also welded to the interposer 200, the switch body 300 is electrically connected to the connector 400 through the interposer 200, the switch body 300 and the connector 400 are mounted in the mounting groove 110 disposed inside the housing, and the interposer 200 is fixedly disposed on an end surface of the mounting groove 110. The trigger structure 302 of the switch body 300 extends out of the housing to ensure that the object to be detected can contact the trigger structure to trigger the motion of the travel switch. The connector 400 has a port communicating with the external space to allow the insertion of a plug on the connecting wire, so that the travel switch is electrically connected to the controller. The adapter plate 400 can be regarded as an extension of the switch terminal 301, so that the connector 400 can be conveniently connected with the switch body 300, meanwhile, the connectors 400 with different specifications can be connected to adapt to different application scenes, and the connector 400 is convenient to repair and replace in the later maintenance and fault of the travel switch.

Referring to fig. 2, in the present embodiment, in order to protect the switch terminal 301 and the connector terminal 401, a boss 111 is disposed in the mounting groove 110, one side of the boss 111 abuts against the switch body 200, as shown in fig. 3, when the switch body 300 is stressed, the acting force is transmitted to the boss 111 through the switch body 300, the force is mainly borne by the shell of the shell 100 and the switch body 300 and is not transmitted to the adapter plate 200 and the connector 400, and the wires connected to the connector 400 are flexible, so that the switch terminal 301 and the connector terminal 401 are not stressed, and are protected from deformation under external force, and the service life of the travel switch is prolonged. In order to further share the impact force applied to the switch body 300, the surface of the switch body 300 in the force-applying direction is flush with the surface of the housing 100, in this embodiment, the trigger structure 302 is a spring plate, and the force-applying surface of the switch body 300 is the surface on which the spring plate is installed. When the travel switch is over-actuated, the object to be detected contacts the surface of the housing 100 and the outer shell of the switch body 300, and the two share the pressure to protect the interior of the travel switch. It will be appreciated that the trigger structure 302 may also be formed of other resilient structures such as a spring and lever arrangement.

In this embodiment, the interposer 400 is a small PCB board, on which devices such as a chip resistor, a chip capacitor, a chip diode, and a chip inductor, and a printed circuit electrically connecting the devices, the switch terminal 301, and the connector terminal 401 are soldered, and the devices can be used to improve the turn-on level and turn-off level of the travel switch, so as to realize functions such as pull-up resistance, pull-down resistance, and prevention of secondary detection of series connection inductors.

In the present embodiment, the face to which the switch terminal 301 and the connector terminal 401 are welded is the front face of the interposer 400, and the interposer 400 is disposed toward the groove body of the mounting groove 110, as shown in fig. 1 and 3. In this arrangement, the welding points of the switch terminal 301 and the connector terminal 401 to the interposer 400 are surrounded by the case 100, the switch body 300, the connector 400, and the interposer 200, thereby further protecting the welding points. In the present embodiment, the interposer 200 is fixed to the housing 100 by screws, and the switch body 300 and the connector 400 are fixed to the housing by the interposer 200.

In this embodiment, the connector 200 is provided with a card slot 402, the opening direction of the card slot 402 is the same as the interface direction of the connector 400, and the stable and firm electrical connection between the travel switch and the controller can be realized by matching with the tenon on the plug. The free ends of the connector terminals 401 pass through the interior of the connector 400 for electrical connection with a plug.

In this embodiment, referring to fig. 1 and fig. 2, the housing 100 is a rectangular parallelepiped structure, the housing 100 has three complete rectangular surfaces and one incomplete rectangular surface, the incomplete rectangular surface is provided with a wire passing port 101 for fixing a connecting wire, which functions as a wire clamp, and the specific position thereof can be set according to actual conditions. The housing 100 is provided with a screw hole 102 for mounting the travel switch. The upper portion of FIG. 1 and the trigger structure 302 are shown in an open configuration for ease of subsequent maintenance and replacement. It is understood that the internal structure of the switch body 300 can adopt the general structure of a self-resetting switch, which is not described in detail herein.

According to the utility model discloses travel switch has the connector, and the travel switch of being convenient for is connected with the controller, and the change and the maintenance in installation and later stage of being convenient for improve production efficiency. Be provided with the boss in the mounting groove, can protect the welded junction between switch body and keysets and connector and the keysets, increase of service life.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (10)

1. A travel switch, comprising:

the device comprises a shell, a first fixing piece and a second fixing piece, wherein a mounting groove is formed in the shell;

an adapter plate;

the terminal of the switch body is welded on the adapter plate;

the terminal of the connector is welded on the adapter plate;

the switch body reaches the connector set up in the mounting groove, the keysets set up in on the terminal surface of mounting groove, the trigger structure of switch body extends to outside the casing, the interface of connector with the exterior space intercommunication of casing, the switch body with the connector passes through keysets electric connection.

2. The travel switch of claim 1, wherein a boss is disposed in the mounting groove, one side of the boss abuts against the switch body, and the boss is used for sharing the stress of the switch body.

3. A travel switch according to claim 1, wherein the outer surface of the switch body in the direction of the force is flush with the outer surface of the housing.

4. The travel switch of claim 1, wherein the trigger structure is a leaf spring.

5. The travel switch of claim 1, wherein the interposer is further soldered with at least one or more of a chip resistor, a chip capacitor, a chip resistor, and a chip diode, and the interposer is further printed with a printed circuit electrically connecting the chip resistor, the chip capacitor, the chip resistor, the chip diode, the terminal of the switch body, and the terminal of the connector.

6. A travel switch according to claim 1, wherein the adapter plate is fixed to the housing by screws.

7. The travel switch of claim 1, wherein a front surface of the adapter plate is disposed toward a groove body of the mounting groove.

8. The travel switch of claim 1, wherein the connector is provided with a slot oriented in the same direction as the port.

9. A travel switch according to any of claims 1 to 8, wherein the housing is of rectangular parallelepiped configuration having three complete rectangular faces and one incomplete rectangular face.

10. The travel switch of claim 9, wherein the incomplete rectangular surface is provided with a wire passing port.

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