CN218241621U

CN218241621U - Safety switch

Info

Publication number: CN218241621U
Application number: CN202222795780.6U
Authority: CN
Inventors: 朱留法
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-01-06
Anticipated expiration: 2032-10-24

Abstract

The utility model provides a safety switch relates to the switch technology field. A safety switch comprises a base, a first conducting strip, a first magnet and a protective cover sleeved on the base, wherein the base is relatively provided with two second conducting strips which are electrically connected through the first conducting strip; the first magnet is located the safety cover and is connected with the second magnet magnetism. Adopt the utility model discloses, it just can realize the intercommunication and the disconnection of wire through the separation and the combination of two magnet, structural simpler, it is more convenient to operate, has improved holistic practicality.

Description

Safety switch

Technical Field

The utility model relates to the field of switch technology, particularly, relate to a safety switch.

Background

Safety switches are well known and are generally used to prevent dangers from occurring when electric machines are operated, for example, handlebar switches of an electric motorcycle can be braked when dangers occur, thereby improving the safety of the motorcycle.

The authorization publication numbers disclosed in the chinese patent literature are: CN102262963A, which discloses a "safety switch", and specifically discloses a main body comprising: a contact block having at least two fixed contactors; a contact block plunger having a bridging contactor, the contact block plunger being movable to move the bridging contactor into and out of contact with the two fixed contactors; a biasing member arranged to bias the contact block plunger towards a control mechanism of the safety switch; and the safety switch further comprises a head, the head comprising: at least a portion of a control mechanism, at least a portion being engageable with the brake and movable to control movement of the contact block plunger when engaged with or withdrawn from the brake, the control mechanism being movable from a first configuration in which the brake is withdrawn and the contact block plunger is in a position to maintain the stationary contactor and the bridging contactor out of electrical connection with each other, to a second configuration in which the brake is engaged and the contact block plunger is in a position to bring the bridging contactor into electrical connection with and to bridge the two stationary contactors, and wherein the safety switch further comprises: a magnetically operable switch located in the body; and a magnetizable material extending from a portion of the safety switch near the position of engagement with the actuator to an area near the magnetically operable switch. The safety switch in the patent has a complex structure, is not convenient to produce and manufacture, and is not convenient and practical.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety switch, its separation and combination through two magnet just can realize the intercommunication and the disconnection of wire, and is structural simpler, and it is more convenient to operate, has improved holistic practicality.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a safety switch, which comprises a base, a first conducting strip, a first magnet and a protective cover sleeved on the base, wherein the base is oppositely provided with two second conducting strips which are electrically connected through the first conducting strip; the first magnet is positioned on the protective cover and is magnetically connected with the second magnet.

Further, in some embodiments of the present invention, the magnet further comprises an installation block, the installation block is provided with a first installation groove, and the second magnet is embedded into the first installation groove; the first conducting plate is arranged at one end of the mounting block close to the base.

Further, in some embodiments of the present invention, one end of the mounting block close to the base is provided with a positioning block, the first conducting strip is provided with a first through hole, the base is provided with a holding groove, and the positioning block passes through the first through hole and is embedded into the holding groove.

Further, in some embodiments of the present invention, the mounting block is sleeved with a spring for providing a thrust, the first conductive plate is annular, and an outer diameter of the spring is greater than a diameter of the first through hole and smaller than the diameter of the first conductive plate; one end of the spring is abutted against the first conductive sheet, and the other end of the spring is abutted against the protective cover.

Further, in some embodiments of the present invention, the protective cover further comprises a mounting cover body, wherein the mounting cover body abuts against the protective cover; the installation cover body is provided with an installation column, the installation column is provided with a second installation groove, and the first magnet is embedded into the second installation groove.

Further, in some embodiments of the present invention, the mounting cover is provided with a second through hole.

Further, in some embodiments of the present invention, the base is provided with a joint block, the protective cover is provided with a joint hole, and one end of the joint block is embedded into the joint hole.

Further, in some embodiments of the present invention, the base is provided with a wiring hole, and the protective cover is provided with a third through hole communicated with the wiring hole.

Further, in some embodiments of the present invention, the number of the wiring holes is two.

Further, in some embodiments of the present invention, the second conductive sheet is T-shaped.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the embodiment of the application provides a safety switch, which comprises a base, a first conducting strip, a first magnet and a protective cover sleeved on the base, wherein the base is oppositely provided with two second conducting strips which are electrically connected through the first conducting strip; the first magnet is located on the protective cover and magnetically connected with the second magnet.

When the protective cover is used in practice, the protective cover is arranged on an electric machine, the two leads are respectively connected to the two second conductive sheets from the electric machine, then the first magnet is adsorbed to the protective cover by utilizing the magnetic force between the first magnet and the second magnet, so that the first conductive sheets are adsorbed to the protective cover by the second magnet together, and further the first conductive sheets are separated from the two second conductive sheets to disconnect the two leads, thereby keeping the normal work of the electric machine; and when needs stop electric machine work, only need take off first magnet to make second magnet get back to on the position with two second conducting strips contacts with first conducting strip after losing magnetic force, thereby communicate two wires and come short circuit electric machine can. By the design, the structure is simple, the operation is convenient, and the overall practicability is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a safety switch provided in an embodiment of the present invention;

fig. 2 is a cross-sectional view of a safety switch provided by an embodiment of the present invention;

fig. 3 is an exploded view of a safety switch according to an embodiment of the present invention.

An icon: 1-base, 2-first conducting strip, 3-first magnet, 4-protective cover, 5-second conducting strip, 6-second magnet, 7-installation block, 8-first installation groove, 9-positioning block, 10-baffle, 11-accommodation groove, 12-spring, 13-installation cover body, 14-installation column, 15-second through hole, 16-clamping block, 17-clamping groove, 18-wiring hole and 19-third through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, it is only for convenience of description of the present invention and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, the present invention should not be construed as being limited thereby. Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "set", "mounted", "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1-3, an embodiment of the present invention provides a safety switch, including a base 1, a first conductive plate 2, a first magnet 3, and a protective cover 4 covering the base 1, wherein the base 1 is oppositely provided with two second conductive plates 5, the two second conductive plates 5 are electrically connected through the first conductive plate 2, and a second magnet 6 is disposed on a side of the first conductive plate 2 away from the first conductive plate 2; the first magnet 3 is located on the protective cover 4 and magnetically connected to the second magnet 6.

In actual use, the protective cover 4 is installed on an electric machine, two leads are respectively connected to the two second conducting strips 5 from the electric machine, then the first magnet 3 is adsorbed to the protective cover 4 by utilizing the magnetic force between the first magnet 3 and the second magnet 6, so that the first conducting strips 2 are adsorbed to the protective cover 4 together by the second magnet 6, and further the first conducting strips 2 are separated from the two second conducting strips 5 to disconnect the two leads, so that the normal work of the electric machine is maintained; and when needing to stop the electric machine work, only need take off first magnet 3 to make second magnet 6 get back to on the position with two second conducting strip 5 contacts with first conducting strip 2 after losing magnetic force, thereby communicate two wires and come the short circuit electric machine can. By the design, the structure is simple, the operation is convenient, and the overall practicability is improved.

Alternatively, the first conductive sheet 2 and the second conductive sheet 5 of the present example may be made of copper.

Alternatively, the base 1 and the protective cover 4 of the present embodiment may be made of nylon material.

Example 2

Referring to fig. 1 to 3, in some embodiments of the present invention, the present invention further includes a mounting block 7, the mounting block 7 is provided with a first mounting groove 8, and the second magnet 6 is embedded in the first mounting groove 8; the first conductive plate 2 is provided at one end of the mounting block 7 close to the base 1.

Install second magnet 6 through setting up first mounting groove 8 on installation piece 7, can play the effect of installation and protection to second magnet 6, convenient and practical more.

Example 3

Referring to fig. 1-3, in some embodiments of the present invention, a positioning block 9 is disposed at an end of the mounting block 7 close to the base 1, the first conductive sheet 2 has a first through hole, the base 1 has a receiving groove 11, and the positioning block 9 passes through the first through hole and is embedded into the receiving groove 11.

Through setting up locating piece 9, can be so that second magnet 6 just prevent installation piece 7 and second magnet 6 and shift on base 1 in falling into holding tank 11 through locating piece 9 after taking off first magnet 3, be convenient for more first magnet 3 adsorbs with second magnet 6, has improved holistic practicality.

Example 4

Referring to fig. 1 to 3, in some embodiments of the present invention, the mounting block 7 is sleeved with a spring 12 for providing a thrust, the first conductive plate 2 is circular, and an outer diameter of the spring 12 is greater than a diameter of the first through hole and smaller than a diameter of the first conductive plate 2; one end of the spring 12 abuts against the first conductive plate 2, and the other end of the spring 12 abuts against the protective cover 4.

In actual use, when the first magnet 3 is adsorbed on the protective cover 4, the second magnet 6 and the first conducting strip 2 are adsorbed on the protective cover 4 together, and the spring 12 can be compressed; after the first magnet 3 is picked, the magnetic spring 12 is lost to restore and deform to provide thrust for the second magnet 6, so that the second magnet 6 with the first conducting plate 2 can be better popped to abut against the second conducting plate 5, and the magnetic spring is more convenient and practical.

Example 5

Referring to fig. 1 to 3, in some embodiments of the present invention, the present invention further includes a mounting cover 13, wherein the mounting cover 13 abuts against the protection cover 4; the mounting cover 13 is provided with a mounting post 14, the mounting post 14 is provided with a second mounting groove, and the first magnet 3 is fitted into the second mounting groove.

By providing the mounting cover 13 to mount the first magnet 3 and by making the first magnet 3 and the second magnet 6 attract each other to abut the mounting cover 13 against the protective cover 4, the first magnet 3 can be prevented from being exposed to the outside, thereby protecting the first magnet 3. And through setting up behind the installation lid 13, also increased the area of exerting force, be convenient for separate first magnet 3 and second magnet 6 through handheld installation lid 13, convenient and practical more.

Example 6

Referring to fig. 1-3, in some embodiments of the present invention, the mounting cover 13 is provided with a second through hole 15.

Through set up second through-hole 15 on installation lid 13, just can pass second through-hole 15 with the rope to be convenient for pull installation lid 13 off from safety cover 4 through pulling the rope, it is more convenient.

Example 7

Referring to fig. 1 to 3, in some embodiments of the present invention, the base 1 is provided with a locking block 16, the protecting cover 4 is provided with a locking hole, and one end of the locking block 16 is inserted into the locking hole.

During practical use, can be through with safety cover 4 cover on base 1 to through in joint piece 16 embedding joint hole, thereby realize safety cover 4 and base 1's joint, improved the stability of the two installation, it is more practical.

Optionally, the clamping block 16 of this embodiment may be made of nylon material, and the elasticity of the clamping block may be utilized to clamp the clamping block 16 into or out of the clamping hole by pulling, which is more convenient. But also can all be equipped with the joint hole in protection cover 4 both sides to correspond through base 1 both sides and set up two joint pieces 16 and realize the installation of base 1 and protection cover 4, it is more stable.

Example 8

Referring to fig. 1 to 3, in some embodiments of the present invention, the base 1 is provided with a wiring hole 18, and the protective cover 4 is provided with a third through hole 19 communicating with the wiring hole 18.

Through setting up wiring hole 18 and third through hole 19, can wear out two wires that connect on two second conducting strips 5 from wiring hole 18 and third through hole 19 in proper order to be convenient for be connected the wire with electric machine, convenient and practical more.

Example 9

Referring to fig. 1-3, in some embodiments of the present invention, the number of the wiring holes 18 is two.

Through setting up two wiring holes 18, can wear out two wires respectively from two wiring holes 18, prevent that the wire from intertwining, improved holistic practicality.

Example 10

Referring to fig. 1-3, in some embodiments of the present invention, the second conductive sheet 5 is T-shaped.

In practical use, the T-shaped second conducting plate 5 is arranged on the base 1, and the contact part of the T-shaped second conducting plate 5 and the first conducting plate 2 is larger in size, so that the T-shaped second conducting plate can better contact with the first conducting plate 2 to conduct electricity better; on the other hand, the second conductive plate 5 can be more stably installed on the base 1, so that the second conductive plate 5 is prevented from falling from the side far away from the first conductive plate 2, and the installation method is more convenient and practical.

In summary, the embodiment of the present application provides a safety switch, which includes a base 1, a first conductive sheet 2, a first magnet 3, and a protective cover 4 covering the base 1, wherein the base 1 is oppositely provided with two second conductive sheets 5, the two second conductive sheets 5 are electrically connected through the first conductive sheet 2, and a second magnet 6 is provided on a side of the first conductive sheet 2 away from the second conductive sheet 5; the first magnet 3 is located on the protective cover 4 and magnetically connected to the second magnet 6.

In actual use, the protective cover 4 is installed on an electric machine, two leads are respectively connected to the two second conducting strips 5 from the electric machine, then the first magnet 3 is adsorbed to the protective cover 4 by utilizing the magnetic force between the first magnet 3 and the second magnet 6, so that the first conducting strips 2 are adsorbed to the protective cover 4 by the second magnet 6, and the first conducting strips 2 are separated from the two second conducting strips 5 to disconnect the two leads, so that the normal work of the electric machine is maintained; and when needing to stop the electric machine work, only need take off first magnet 3 to make second magnet 6 get back to on the position with two second conducting strip 5 contacts with first conducting strip 2 after losing magnetic force, thereby communicate two wires and come the short circuit electric machine can. By the design, the structure is simple, the operation is convenient, and the overall practicability is improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A safety switch characterized by: the protective cover is sleeved on the base, the base is oppositely provided with two second conducting strips, the two second conducting strips are electrically connected through the first conducting strip, and one side, away from the second conducting strips, of the first conducting strip is provided with a second magnet; the first magnet is located on the protective cover and is magnetically connected with the second magnet.

2. The safety switch of claim 1, wherein: the mounting block is provided with a first mounting groove, and the second magnet is embedded into the first mounting groove; the first conducting strip is arranged at one end, close to the base, of the mounting block.

3. The safety switch of claim 2, wherein: the mounting block is provided with a positioning block at one end close to the base, the first conducting strip is provided with a first through hole, the base is provided with a containing groove, and the positioning block penetrates through the first through hole and is embedded into the containing groove.

4. The safety switch of claim 3, wherein: the mounting block is sleeved with a spring for providing thrust, the first conducting plate is annular, and the outer diameter of the spring is larger than the diameter of the first through hole and smaller than the diameter of the first conducting plate; one end of the spring is abutted to the first conducting plate, and the other end of the spring is abutted to the protective cover.

5. The safety switch of claim 1, wherein: the protective cover also comprises an installation cover body, and the installation cover body is abutted against the protective cover; the installation lid is equipped with the erection column, the erection column is equipped with the second mounting groove, first magnet embedding the second mounting groove.

6. The safety switch of claim 5, wherein: the installation lid is equipped with the second through-hole.

7. The safety switch of claim 1, wherein: the base is equipped with the joint piece, the safety cover is equipped with the joint hole, joint piece one end embedding the joint hole.

8. The safety switch of claim 1, wherein: the base is equipped with the wiring hole, the protective cover be equipped with the third through-hole of wiring hole intercommunication.

9. The safety switch of claim 8, wherein: the number of the wiring holes is two.

10. The safety switch of claim 1, wherein: the second conducting strip is T-shaped.