CN219040309U

CN219040309U - Large-stroke waterproof charging gun switch

Info

Publication number: CN219040309U
Application number: CN202223549817.3U
Authority: CN
Inventors: 宋明华; 刘二军; 毛新平
Original assignee: Huizhou Greetech Electronics Co ltd
Current assignee: Huizhou Greetech Electronics Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-16
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a large-stroke waterproof charging gun switch, which comprises a charging gun shell and a micro switch, wherein the micro switch comprises: the base is provided with a public terminal, a normally closed terminal and a normally open terminal; the rubber shell is in sealing connection with the base to form a containing space, and a moving sheet group is arranged in the containing space; one end of the pressing mechanism is movably provided with a push block, a spring is arranged between the push block and the pressing mechanism, the push block is abutted with the moving plate set, and the moving plate set is driven to be switched and conducted with the normally closed terminal and the normally open terminal. According to the utility model, the push block is added at one end of the pressing die, the spring is arranged between the push block and the pressing die, when the pressing die is pressed, the pressing die and the push block move downwards at the same time, the push block can press the moving plate group, the pressing die can move relative to the push block due to the reaction force and extrude the spring, so that the pressing stroke of the pressing die is increased, the pressing stroke of the pressing die is increased from original 2mm to 3mm, the phenomenon of overpressure of the pressing die is effectively avoided, and the service life of the pressing die is prolonged.

Description

Large-stroke waterproof charging gun switch

Technical Field

The utility model relates to the technical field of charging gun switches, in particular to a large-stroke waterproof charging gun switch.

Background

Along with the promotion of national energy conservation and emission reduction policies and the increasing progress of technology, new energy automobiles gradually enter thousands of families, and when the new energy automobiles are used, the new energy automobiles need to be charged, and a charging gun is special equipment for charging the new energy automobiles.

The existing charging gun switch is generally insufficient in pressing stroke of a pressing die, when the switch is used, the pressing die can be pressed, and due to the insufficient pressing stroke, an overvoltage phenomenon can occur when the pressing die is pressed, so that the pressing die is broken; in addition, because the charging gun is electrical equipment, most of the charging gun is placed in the external environment when in use, the existing charging gun waterproof structure seals the whole charging gun shell, but the heat dissipation effect of the charging gun after the whole shell is sealed is poor, and the charging gun works under the condition of high temperature for a long time, so that dangerous situations are likely to happen, and therefore, a waterproof charging gun switch with a large stroke is needed to be designed so as to solve the problems.

Disclosure of Invention

The utility model aims to provide a large-stroke waterproof charging gun switch which increases the pressing stroke of a pressing mechanism and has a waterproof function.

In order to solve the technical problems, the utility model can be realized by adopting the following technical scheme:

the utility model provides a waterproof rifle switch that charges of large stroke, includes rifle casing and micro-gap switch of charging, has seted up the mounting groove at rifle casing that charges, and micro-gap switch part inserts and establishes in the mounting groove, micro-gap switch includes:

the base is provided with a public terminal, a normally closed terminal and a normally open terminal;

the bottom of the rubber shell is connected with the base in a sealing way to form a containing space, a moving sheet group is arranged in the containing space, and the moving sheet group is communicated with the public terminal;

the pressing mechanism comprises a pressing mechanism, a pressing block and a normally-closed terminal, wherein one end of the pressing mechanism is movably provided with the pushing block, a spring is arranged between the pushing block and the pressing mechanism, and one end of the pressing mechanism, which is provided with the pushing block, is inserted into the accommodating space from the top of the rubber shell, so that the pushing block is abutted with the movable plate group, and the movable plate group is driven to be switched and conducted with the normally-closed terminal and the normally-open terminal.

In one embodiment, a plurality of waterproof grooves are arranged on the outer side of the mounting groove.

In one embodiment, a waterproof layer is arranged between the micro switch and the charging gun shell, and when the micro switch is partially inserted into the mounting groove, the waterproof layer is extruded to seal the waterproof groove.

In one embodiment, the pressing mechanism is provided with one end of the push block, the side wall of the push block is provided with a movable groove, the side wall of the push block is provided with a movable block, the movable block is arranged in the movable groove, the push block is connected with the pressing mechanism, and two ends of the spring are respectively abutted against the pressing mechanism and the push block.

In one embodiment, a sealing cap is arranged between the pressing part and the top of the rubber shell.

In one embodiment, the moving plate group comprises a moving plate, a tension spring and a supporting rod, one end of the supporting rod is connected with the base, the other end of the supporting rod hooks the tension spring and is in butt joint with the pushing block, the other end of the tension spring hooks the moving plate, and the other end of the moving plate is connected with the public terminal.

In one embodiment, the outside of the waterproof groove is provided with a locking hole, the rubber shell is provided with a fixing hole corresponding to the locking hole, a screw penetrates through the fixing hole and is connected with the locking hole, and the micro switch is fixedly connected with the charging gun shell.

In one embodiment, the waterproof layer is made of silica gel or PVC soft gel.

Advantageous effects

1. The push block is added at one end of the push block, the spring is arranged between the push block and the push block, when the push block is pressed, the push block and the push block move downwards simultaneously, and the push block can be blocked due to the reaction force, the push block moves downwards relative to the push block and presses the spring, so that the pressing stroke of the push block is increased, the pressing stroke of the push block is increased to 3mm from original 2mm, the overpressure phenomenon of the push block is effectively avoided, and the service life of the push block is prolonged.

2. The outside at the mounting groove sets up a plurality of waterproof grooves, forms multichannel waterproof construction to be equipped with the waterproof layer between micro-gap switch and rifle casing that charges, after micro-gap switch part inserts the mounting groove, can extrude the waterproof layer, thereby make the waterproof layer seal the shutoff to the waterproof groove, press the waterproof layer tight more, then airtight effect is better more, so that realize sealed waterproof function between micro-gap switch and the rifle casing that charges.

Drawings

FIG. 1 is an exploded schematic view of a large travel waterproof charging gun switch of the present utility model;

FIG. 2 is a cross-sectional view of the switch of the large travel waterproof charging gun of the present utility model;

FIG. 3 is an exploded schematic view of a microswitch of the large travel waterproof charging gun switch of the present utility model;

FIG. 4 is a schematic diagram of the structure of the push and detent of the switch of the large-stroke waterproof charging gun of the present utility model;

fig. 5 is a schematic diagram of a moving plate set of the switch of the large-stroke waterproof charging gun.

As shown in the accompanying drawings:

100. a charging gun housing; 110. a mounting groove; 120. a water-repellent tank; 130. a locking hole;

200. a micro-switch; 210. a base; 211. a common terminal; 212. a normally closed terminal; 213. a normally open terminal; 220. a rubber shell; 221. a fixing hole; 230. a rotor group; 231. a moving plate; 232. a tension spring; 233. a support rod; 240. pressing the pin; 250. a pushing block; 260. a spring; 270. a sealing cap;

300. and a waterproof layer.

Description of the embodiments

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a large-stroke waterproof charging gun switch includes a charging gun housing 100 and a micro switch 200, a mounting groove 110 is formed in the charging gun housing 100, the micro switch 200 is partially inserted into the mounting groove 110, and the micro switch 200 includes:

a base 210, the base 210 is provided with a common terminal 211, a normally closed terminal 212 and a normally open terminal 213;

the bottom of the rubber shell 220 is connected with the base 210 in a sealing way to form a containing space, a moving plate set 230 is arranged in the containing space, and the moving plate set 230 is communicated with the common terminal 211;

the pushing block 250 is movably arranged at one end of the pressing block 240, a spring 260 is arranged between the pushing block 250 and the pressing block 240, and one end of the pressing block 240 provided with the pushing block 250 is inserted into the accommodating space from the top of the rubber shell 220, so that the pushing block 250 is abutted against the movable sheet group 230, and the movable sheet group 230 is driven to be switched and conducted with the normally-closed terminal 212 and the normally-open terminal 213.

Specifically, in this embodiment, the push block 250 is added at the bottom end of the pressing pin 240, and the spring 260 is disposed between the push block 250 and the pressing pin 240, one end of the pressing pin 240 with the push block 250 added thereto is inserted into the accommodating space from the top of the rubber case 220 and is in contact with the moving plate group 230, when the charging gun is used, the pressing pin 240 and the push block 250 are simultaneously moved downwards, the push block 250 acts on the moving plate group 230 and presses the moving plate group 230, and since the forces are mutually opposite, the moving plate group 230 also acts on the push block 250 under the reaction force, at this time, the pressing pin 240 continuously moves downwards relative to the push block 250 and presses the spring 260, after the pressing pin 240 moves downwards to the set position, the pressing pin group 230 is switched to conduct with the normally closed terminal 212 and the normally open terminal 213, and finally, by adding the push block 250 at the bottom end of the pressing pin 240, the pressing stroke of the pressing pin 240 is increased by 3mm from the original 2mm, thereby effectively preventing the pressing pin 240 from being pressed to the pressing pin 240, and prolonging the service life of the pressing pin 240.

In addition, in order to realize the waterproof function of the charging gun, therefore, the waterproof tank 120 is arranged at the outer side of the mounting groove 110, and a plurality of waterproof grooves 120 can be arranged to form a plurality of waterproof structures, meanwhile, the waterproof layer 300 is arranged between the micro switch 200 and the charging gun housing 100, after the bottom of the micro switch 200 is inserted into the mounting groove 110, the micro switch 200 can squeeze the waterproof layer 300, so that the waterproof layer 300 seals the waterproof tank 120, the micro switch 200 and the charging gun housing 100 are sealed, the connection ends of the internal circuit of the charging gun housing 100, the common terminal 211, the normally closed terminal 212 and the normally open terminal 213 are sealed and waterproof, the charging gun does not need to be sealed to the whole housing, the heat dissipation effect of the charging gun is effectively improved, and the sealing waterproof performance of the charging gun is ensured through the waterproof tank 120 and the waterproof layer 300.

After the micro switch 200 is partially inserted into the mounting groove 110, the micro switch 200 is fixedly connected with the charging gun housing 100, so that a locking hole 130 is further formed in the outer side of the waterproof groove 120, a fixing hole 221 corresponding to the locking hole 130 is formed in the rubber shell 220, when the micro switch 200 is fixed, a screw penetrates through the fixing hole 221 and is in threaded connection with the locking hole 130, the micro switch 200 can be fixedly connected with the charging gun housing 100, the micro switch 200 is more tightly connected with the charging gun housing 100, the extrusion effect of the waterproof layer 300 is better, and therefore the sealing and blocking of the waterproof groove 120 are better, so that the waterproof effect between the micro switch 200 and the charging gun housing 100 is improved.

Because the waterproof layer 300 needs to be extruded and deformed to better seal the waterproof groove 120, the waterproof layer 300 in the embodiment is made of silica gel or PVC soft rubber, and the waterproof layer 300 made of the silica gel material or the PVC soft rubber material can be extruded and deformed conveniently, so that the waterproof groove 120 can be sealed and sealed well, and sealing waterproof performance between the charging gun shell 100 and the micro switch 200 is improved.

Of course, in order to achieve the overall waterproof effect of the charging gun, the micro switch 200 in the embodiment is a waterproof micro switch, the base 210 of the micro switch is in sealing connection with the bottom of the rubber shell 220, and a sealing cap 270 is arranged between the pressing portion 240 and the top of the rubber shell 220, and the micro switch 200 is integrally sealed by the sealing cap 270 at the bottom of the rubber shell 220 and the sealing cap 270 at the top of the rubber shell 220, and then the micro switch 200 is sealed with the charging gun shell 100, so that the overall waterproof sealing effect of the charging gun can be achieved, the sealing of the housing of the charging gun is avoided, and the heat dissipation of the charging gun in use is improved.

Referring to fig. 4, in order to increase the pressing stroke of the pressing mechanism 240, in this embodiment, the pressing mechanism 240 further includes a movable slot 241 on the side wall of the pressing mechanism 250 at one end thereof, and a movable block 251 on the side wall of the pressing mechanism 250, wherein the movable block 251 is disposed in the movable slot 241 to connect the pressing mechanism 240 with the pressing mechanism 250, and two ends of the spring 260 are respectively abutted against the pressing mechanism 240 and the pressing mechanism 250.

In the free state, since the spring 260 abuts against the push block 250, the movable block 251 is located at the bottommost part of the movable slot 241, when the charging gun is used, the press block 240 and the push block 250 move downwards simultaneously, the push block 250 acts on the movable block group 230 to press the movable block group 230, and under the reaction force, the movable block group 230 also acts on the push block 250, at this time, the press block 240 moves downwards relative to the push block 250, so that the movable block 251 moves in the movable slot 241 and presses the spring 260, after the press block 240 reaches the set position, the movable block group 230 is switched to be conducted between the normally closed terminal 212 and the normally open terminal 213, finally, the press block 240 can move downwards relative to the push block 250 through the movable slot 241 and the movable block 251, so that the press stroke of the press block 240 is increased from original 2mm to 3mm, and the phenomenon that the press block 240 is pressed is increased to 3mm is effectively avoided, so that the service life of the press block 240 is prolonged.

Referring to fig. 5, in order to switch the switching signal, the moving plate set 230 in the present embodiment includes a moving plate 231, a tension spring 232 and a supporting rod 233, one end of the supporting rod 233 is connected with the base 210, the other end hooks the tension spring 232 and abuts against the push block 250, the other end of the tension spring 232 hooks the moving plate 231, and the other end of the moving plate 231 is connected with the common terminal 211, so that the moving plate 231, the tension spring 232 and the supporting rod 233 are mutually conducted.

In the free state, the common terminal 211 and the normally closed terminal 212 are conducted, when the pressing catch 240 is pressed under the action of external force, so that the pressing catch 240 and the pushing block 250 move downwards simultaneously, the pushing block 250 acts on the supporting rod 233, one end of the supporting rod 233 is downwards, the tension spring 232 is pulled, after the tension spring 232 is pulled to a conversion point, the moving plate 231 is jumped, the moving plate 231 is conducted with the normally open terminal 213, and the common terminal 211 is conducted with the normally open terminal 213; when the external force is removed, the supporting rod 233, the moving plate 231, the push block 250 and the pressing pin 240 return to the free state due to the restoring force of the tension spring 232, and at this time, the common terminal 211 is conducted with the normally closed terminal 212 again, and finally, the signal switching of the switch is realized.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Those skilled in the art can practice the utility model smoothly as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. The utility model provides a waterproof rifle switch that charges of large stroke, includes rifle casing and micro-gap switch of charging, has seted up the mounting groove at rifle casing that charges, and micro-gap switch part inserts and establishes in the mounting groove, its characterized in that, micro-gap switch includes:

2. The long travel waterproof charging gun switch of claim 1, wherein: and a plurality of waterproof grooves are arranged on the outer sides of the mounting grooves.

3. The long travel waterproof charging gun switch of claim 2, wherein: a waterproof layer is arranged between the microswitch and the charging gun shell, and when the microswitch is inserted into the mounting groove, the waterproof layer is extruded to seal the waterproof groove.

4. The long travel waterproof charging gun switch of claim 1, wherein: the movable block is arranged in the movable groove, so that the push block is connected with the press pin, and two ends of the spring are respectively abutted against the press pin and the push block.

5. The long travel waterproof charging gun switch of claim 1, wherein: a sealing cap is arranged between the pressing part and the top of the rubber shell.

6. The long travel waterproof charging gun switch of claim 1, wherein: the movable plate group comprises a movable plate, a tension spring and a supporting rod, one end of the supporting rod is connected with the base, the other end of the supporting rod hooks the tension spring and is abutted with the push block, the other end of the tension spring hooks the movable plate, and the other end of the movable plate is connected with the public terminal.

7. The long travel waterproof charging gun switch of claim 2, wherein: the outside of waterproof groove is equipped with the locking hole, and the rubber shell then is equipped with the fixed orifices that corresponds with the locking hole, penetrates the screw from the fixed orifices and is connected with the locking hole, makes micro-gap switch and rifle casing fixed connection that charges.

8. A long travel waterproof charging gun switch according to claim 3, characterized in that: the waterproof layer is made of silica gel or PVC soft gel.