Quick insertion type button

Abstract

The utility model relates to a quick plug type button, which comprises a button head part, a middle seat assembly and a contact assembly, the button head part is inserted in the middle seat assembly, the middle seat assembly comprises a plastic middle seat cover, a shifting and clamping ring and a plastic middle seat bottom shell, the contact assembly is arranged on the lower side of the plastic middle seat bottom shell, two metal inserts are arranged in the plastic middle seat bottom shell, and the two metal inserts are inserted into the plastic middle seat cover. A threaded hole is formed in the bottom face of the metal insert, a through hole is formed in the contact assembly, a screw penetrates through the through hole, and the upper end of the screw is connected into the threaded hole. After the metal insert is installed in the installation groove of the middle base, the limiting boss and the limiting spigot are matched for limiting, the plastic middle base cover is covered, at the moment, the plastic middle base cover, the plastic middle base bottom shell and the metal insert are combined into a whole, then the contact assembly is connected with the metal insert through a screw, and the positioning column and the positioning hole are matched for positioning. Therefore, the contact assembly and the middle seat assembly can be firmly connected together and are not easy to loosen, and the slipping risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical field especially relates to electrical switch, and a kind of fast insertion type button particularly. BACKGROUND

[0002] Fast insertion type button is used for controlling circuit on-off in electrical control circuit, indicating circuit working state, and is widely used in industrial and civilian fields.In prior art, fast insertion type button includes button head, middle seat component and contact combination, contact combination is fixed with middle seat component by hook, and connection is not firm enough, there is potential risk of slipping in use process. SUMMARY

[0003] The utility model aims at providing a kind of fast insertion type button, the fast insertion type button of the kind described solves the technical problem of the risk of slipping in prior art that contact combination and middle seat component connection are not firm enough.

[0004] The utility model of a kind of fast insertion type button, including button head, middle seat component and contact combination, the button head is inserted in middle seat component, middle seat component includes plastic middle seat cover, dialing snap ring and plastic middle seat bottom shell, plastic middle seat cover is set on plastic middle seat bottom shell, dialing snap ring is set in plastic middle seat cover, dialing snap ring is used for fixing button head in middle seat component, contact combination is set in the lower side of plastic middle seat bottom shell, wherein, two metal inserts are set in plastic middle seat bottom shell, installation groove for installing metal insert is set in plastic middle seat bottom shell, limit stop is provided on the inner wall of installation groove, limit boss is set on the outer wall of metal insert, limit boss is located in the upper side of limit stop, the bottom surface of metal insert is provided with threaded hole, through hole is provided in contact combination, threaded hole is coaxial with through hole, screw is threaded in through hole, the upper end of screw is connected in threaded hole, at least two positioning columns are provided on contact combination, and positioning hole matched with positioning column is provided in the bottom surface of plastic middle seat bottom shell.

[0005] Further, the metal insert is composed of aluminum alloy.

[0006] The utility model compares prior art, and its effect is positive and obvious.Metal insert is installed in the installation groove of middle bottom base, limit boss cooperates with limit stop and is limited, plastic middle seat cover is covered, at this time, plastic middle seat cover and plastic middle seat bottom shell and metal insert are combined into an entirety, then contact combination is connected with metal insert by screw, positioning column cooperates with positioning hole and is positioned, so that contact combination and middle seat component can be firmly connected together, and it is not easy to slip, reduce the risk of slipping. BRIEF DESCRIPTION OF DRAWINGS

[0007] Figure 1 It is the schematic view of the utility model of a kind of fast insertion type button.

[0008] Figure 2 It is a sectional view of the quick-inserting type button of the utility model.

[0009] Figure 3 It is an exploded view of the quick-inserting type button of the utility model.

[0010] Figure 4 It is an exploded view of the middle seat assembly in the quick-inserting type button of the utility model. DETAILED DESCRIPTION

[0011] The utility model is further described below in combination with embodiments, but the utility model is not limited to the embodiments, and any similar changes using the utility model should be included in the protection scope of the utility model. The use of the directions such as up, down, front, back, left, right, middle, inside and outside in the utility model is only for the convenience of clear description, and not for the limitation of the technical scheme of the utility model.

[0012] As shown in Figures 1-4 The utility model discloses a quick-inserting type button, which comprises a button head 1, a middle seat assembly and a contact combination piece 5, the button head 1 is inserted into the middle seat assembly, the middle seat assembly comprises a plastic middle seat cover 2, a card ring 3 and a plastic middle seat bottom shell 4, the plastic middle seat cover 2 is arranged on the plastic middle seat bottom shell 4, the card ring 3 is arranged in the plastic middle seat cover 2, the card ring 3 is used for fixing the button head 1 in the middle seat assembly, the contact combination piece 5 is arranged on the downside of the plastic middle seat bottom shell 4, wherein two metal inserts 41 are arranged in the plastic middle seat bottom shell 4, the plastic middle seat bottom shell 4 is provided with an installation groove 42 for installing the metal insert 41, a limiting stop 43 is arranged on the inner wall of the installation groove 42, a limiting boss 44 is arranged on the outer wall of the metal insert 41, the limiting boss 44 is located on the upside of the limiting stop 43, a threaded hole 45 is arranged on the bottom surface of the metal insert 41, a through hole is arranged in the contact combination piece 5, a screw 51 is arranged in the through hole, the upper end of the screw 51 is connected in the threaded hole 45, at least two positioning columns 52 are arranged on the contact combination piece 5, and a positioning hole (not shown in the drawing) matched with the positioning column 52 is arranged in the bottom surface of the plastic middle seat bottom shell 4.

[0013] Further, the metal insert 41 is composed of aluminum alloy.

[0014] Specifically, the button head 1, the middle seat assembly, the contact combination piece 5, the plastic middle seat cover 2, the card ring 3 and the plastic middle seat bottom shell 4 in the embodiment all adopt the known scheme in the prior art, and those skilled in the art are all familiar with it, and thus no further description is given here.

[0015] The working principle of the embodiment is that the wires are respectively inserted into the wire holes on both sides of the contact combination piece 5, and the circuit is turned on or turned off by using the button head 1.

[0016] After the metal insert 41 is installed in the mounting groove 42 of the middle base 4, the limiting boss 44 is limited in cooperation with the limiting stop 43, the plastic middle cover 2 is covered, at this time the plastic middle cover 2 and the plastic middle base bottom shell 4 and the metal insert 41 are combined into an integral whole, then the contact combination 5 is connected with the metal insert 41 through the screw 51, the positioning column 52 is positioned in cooperation with the positioning hole, so that the contact combination 5 and the middle cover assembly can be firmly connected together, and it is not easy to loosen, and the risk of slipping is reduced. The insert 41 is made of aluminum alloy, which increases the strength of the middle cover assembly, has good stability and good stability of the threaded connection.

Claims

1. A quick-connect button, comprising a button head, a middle seat assembly, and a contact assembly, wherein the button head is inserted into the middle seat assembly, the middle seat assembly comprising a plastic middle seat cover, a latching ring, and a plastic middle seat base shell, the plastic middle seat cover being disposed on the plastic middle seat base shell, the latching ring being disposed within the plastic middle seat cover, the latching ring being used to fix the button head in the middle seat assembly, and the contact assembly being disposed on the lower side of the plastic middle seat base shell, characterized in that... The plastic base shell contains two metal inserts and a mounting groove for mounting the metal inserts. The inner wall of the mounting groove has a limit stop. The outer wall of the metal insert has a limit boss located above the limit stop. The bottom surface of the metal insert has a threaded hole. The contact assembly has a through hole. The threaded hole and the through hole are coaxial. A screw passes through the through hole, and the upper end of the screw is connected to the threaded hole. The contact assembly has at least two positioning pins. The bottom surface of the plastic base shell has positioning holes that mate with the positioning pins.

2. A quick-connect button according to claim 1, characterized in that, The metal insert is made of aluminum alloy.

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