CN220400996U - Three-proofing charging gun - Google Patents

Abstract

The application discloses rifle that charges of three proofings, including rifle head and movable sleeve, the movable sleeve is established along rifle head circumference movable sleeve, be formed with first installing port between the front end of rifle head and the front end of movable sleeve, be connected with the sealed membrane layer of the first installing port of shade between the front end of rifle head and the front end of movable sleeve, be provided with conflict portion in the first installing port, when the front end of movable sleeve slides to flushing with the front end of rifle head, conflict portion is suitable for making at least partial sealed membrane layer protrusion in the front end of rifle head, this application has waterproof and dustproof strong characteristics, can promote the leakproofness when charging the rifle charges, reduce steam and dust entering charge mouth department.

Description

Three-proofing charging gun

Technical Field

The application relates to the technical field of new energy automobiles, in particular to a three-proofing charging gun.

Background

The new energy automobile refers to an automobile using unconventional automobile fuel as a power source, and comprises a pure electric automobile, a hybrid electric automobile, a fuel cell electric automobile, an automobile with other new energy sources (such as a super capacitor, a flywheel and other high-efficiency energy storage devices) and the like. The pure electric automobile is rapidly applied at home and abroad due to the convenient power source and easy popularization of technology.

The electric automobile uses electric power as the only power source, and the charging gun is a charging wire of the new energy automobile, and is not only an output end of a pile end power supply, but also an input end of a car end current, and is important equipment for supplementing energy of the new energy automobile. The electric automobile is last to be provided with the interface that charges, and the main role of interface that charges is to establish the physics between electric automobile and fills electric pile, and electric automobile must charge the interface and charge the rifle and be connected the back square ability that charges through charging.

However, the existing charging gun has the following defects: charging condition requirement of rifle that charges can use in open air environment, and the connection protection nature between the interface that charges of most rifle and electric automobile on the market is comparatively not enough, when charging, can appear liquid and dust and get into and charge and lead to appearing faults such as short circuit between rifle and the interface that charges, influence the security.

Disclosure of Invention

An object of the application is to provide a three proofings rifle that charges that barrier property is strong.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: the utility model provides a three proofings rifle that charges, includes rifle head and movable sleeve, the movable sleeve is followed rifle head circumference movable sleeve establishes, the front end of rifle head with be formed with first installing port between the front end of movable sleeve, the rifle head the front end with be connected with the shade between the front end of movable sleeve the sealing membrane layer of first installing port, be provided with conflict portion in the first installing port, the front end of movable sleeve slide to with when the front end of rifle head flushes, conflict portion is suitable for making at least part sealing membrane layer protrusion in the front end of rifle head.

In some embodiments, a reset device is disposed between the gun head and the movable sleeve, the reset device being adapted to slide the movable sleeve and to cause the front end of the movable sleeve to protrude from the front end of the gun head.

In some embodiments, a second mounting opening is formed between the rear end of the gun head and the rear end of the movable sleeve, the reset device is arranged in the second mounting opening, the front end of the reset device is suitable for being propped against the movable sleeve, a limit groove is formed in the first mounting opening of the gun head, and at least part of the rear end of the reset device is suitable for being embedded in the limit groove.

In some embodiments, the return device is a spring, the front end of which has a larger radius of wrap than the rear end of the spring; the radius difference between the surrounding radius of the front end of the spring and the surrounding radius of the rear end of the spring is larger than the caliber of the second mounting opening.

In some embodiments, the limit groove is gradually deepened from the front end of the gun head to the rear end of the gun head.

In some embodiments, a sealing gasket is disposed in the second mounting opening, one end of the sealing gasket extends into the limiting groove and is in interference fit and clamping connection with the resetting device, and the other end of the sealing gasket abuts against the movable sleeve.

In some embodiments, the sealing gasket is L-shaped, two ends of the sealing gasket are respectively a smaller end and a plane end, the smaller end extends into the limiting groove, and the plane end is attached to the movable sleeve.

In some embodiments, the distance between the top end of the abutting portion and the plane of the front end of the gun head is smaller than the thickness of the sealing film layer.

In some embodiments, at least a portion of the interference portion is adapted to abut against a middle portion of the sealing film layer.

In some embodiments, the interference portion is integrally formed or separately joined with the gun head; at least the top of the abutting part is made of flexible materials.

Compared with the prior art, the beneficial effect of this application lies in:

1. the utility model provides a three proofings rifle that charges utilizes the relative activity between rifle head and the movable sleeve through setting up the sealing membrane layer, makes this rifle that charges can encircle the laminating with sealing membrane layer when charging and cover around the interface that charges, sealing membrane layer interference fit promotes around the interface that charges for sealed effect, reduces the probability that liquid and dust get into between this rifle and the interface that charges when charging to effectively promote the security performance of this rifle when charging.

2. The three-proofing charging gun can improve the anti-falling performance of the gun head by arranging the movable sleeve, and when the gun head falls, if the movable sleeve contacts the ground, the relative movement between the movable sleeve and the gun head can be utilized for buffering, so that the impact on the gun head is reduced.

Drawings

Fig. 1 is an overall structural view according to a preferred embodiment of the present application.

Fig. 2 is a schematic illustration of the connection of the gun head and the holster according to a preferred embodiment of the present application.

Fig. 3 is a schematic view of the connection when the front end of the movable sleeve protrudes from the front end of the gun head according to a preferred embodiment of the present application.

Fig. 4 is a schematic view of the connection of the front end of the movable sleeve flush with the front end of the gun head according to a preferred embodiment of the present application.

In the figure: 1. a gun head; 11. a buckle device; 12. a charging head; 2. a movable sleeve; 21. a protruding structure; 3. a first mounting port; 4. a sealing film layer; 5. a collision part; 6. a reset device; 7. a second mounting port; 71. a limit groove; 8. a sealing gasket; 81. a smaller end; 82. a planar end.

Detailed Description

The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

The application is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 4, the application provides a three-proofing charging gun, including rifle head 1 and movable sleeve 2, movable sleeve 2 is established along rifle head 1 circumference movable sleeve, is formed with first installing port 3 between the front end of rifle head 1 and the front end of movable sleeve 2, is connected with the sealed membrane layer 4 of the first installing port 3 of shade between the front end of rifle head 1 and the front end of movable sleeve 2, is provided with conflict portion 5 in the first installing port 3, and conflict portion 5 plays restriction and supporting role, avoids sealed membrane layer 4 to retract to in the first installing port 3 and influence the laminating sealed effect of sealed membrane layer 4.

When the front end of the movable sleeve 2 slides to be level with the front end of the gun head 1, the abutting part 5 is suitable for enabling at least part of the sealing film layer 4 to protrude out of the front end of the gun head 1, when the gun head 1 is connected with a charging interface, the protruding at least part of the sealing film layer 4 can abut on the periphery of the charging interface, and the sealing performance between the gun head 1 and the charging interface is improved through interference fit, so that the safety performance of the charging gun during charging is improved.

In some embodiments, the sealing film layer 4 is preferably made of an elastic material having high weather resistance, such as rubber or silica gel.

The front end of the gun head 1 and the front end of the movable sleeve 2 are the ends which face the charging interface and can be contacted with the periphery of the charging interface.

It should be noted that the front end of the gun head 1 does not include the snap-fit device 11 and the charging head 12 protruding thereon, and merely refers to the front end of the main body of the gun head 1, and the plane on which the front end of the gun head 1 is located, which is referred to below, excludes the plane at the front end of the main body of the gun head 1 behind the snap-fit device 11 and the charging head 12, and similarly, the front end of the movable sleeve 2 merely refers to the front end of the main body of the movable sleeve 2, and the additional protruding structure 21 for the limiting function on the end of the movable sleeve 2 is not included in the front end of the movable sleeve 2.

In some embodiments, the distance between the top end of the abutting portion 5 and the plane where the front end of the gun head 1 is located is smaller than the thickness of the sealing film layer 4, so that the sealing film layer 4 can be properly protruded from the front end of the gun head 1, and the sealing film layer 4 can be abutted against the periphery of the charging interface.

At least part of the abutting portion 5 is suitable for abutting against the middle part of the sealing film layer 4, the middle part of the sealing film layer 4 is the part with the strongest deformability, and the abutting portion 5 can ensure the limiting and supporting effects on the sealing film layer 4 by abutting against the part.

In some embodiments, the abutting portion 5 is only abutted to the middle part of the sealing film layer 4, the top end of the abutting portion 5 is in clearance arrangement with the gun head 1 and the movable sleeve 2, as the two ends of the sealing film layer 4 are respectively connected with the gun head 1 and the movable sleeve 2, the deformation capacity of the sealing film layer 4 at the connecting position with the gun head 1 and the movable sleeve 2 is poor, the abutting portion 5 can reduce the pulling to the two positions by keeping a certain distance with the connecting position of the two positions, the probability that the sealing film layer 4 is released from the connection with the gun head 1 or the movable sleeve 2 is reduced, and the service life and the service stability are improved.

In some embodiments, the abutting portion 5 and the gun head 1 are integrally formed, and the abutting portion 5 and the gun head 1 made of different materials can be combined by means of two-color injection molding, and the abutting portion 5 can be made of a more suitable material, such as rubber, with a certain elastic deformation capability, wherein at least the top of the abutting portion 5 is made of a flexible material, so that contact wear with the sealing film layer 4 can be reduced.

In some embodiments, the abutting portion 5 is combined with the gun head 1 in a split manner, the abutting portion 5 can be combined with the gun head 1 in a manner of gluing, hot melting, clamping, welding, etc., and the abutting portion 5 can be made of a more suitable material, such as a rubber material with a certain elastic deformation capability, etc., wherein at least the top of the abutting portion 5 is made of a flexible material, so that contact wear with the sealing film layer 4 can be reduced.

It can be understood that through setting up movable sleeve 2, can also promote the anti-drop performance of rifle head 1, when rifle head 1 falls down, if movable sleeve 2 contacts ground earlier, then can utilize the relative activity between movable sleeve 2 and the rifle head 1 to play certain cushioning effect, reduce the impact that rifle head 1 received, and the split type design of movable sleeve 2 and rifle head 1 also can be convenient for maintain when movable sleeve 2 takes place to damage and change.

Be provided with resetting means 6 between rifle head 1 and movable sleeve 2, resetting means 6 is suitable for making movable sleeve 2 slide to make the front end of movable sleeve 2 bulge in the front end of rifle head 1, resetting means 6's use lies in, ensure that the rifle that charges before inserting the interface that charges, the front end of movable sleeve 2 can bulge in the front end of rifle head 1, and make sealing membrane layer 4 can be stretched straight, ensure that during every charge, sealing membrane layer 4 can cooperate again according to the shape around the interface that charges, promote the laminating effect, can further reduce sealing membrane layer 4 simultaneously and inlay the probability of leaving in first installing port 3.

A second mounting opening 7 is formed between the rear end of the gun head 1 and the rear end of the movable sleeve 2, the reset device 6 is arranged in the second mounting opening 7, the front end of the reset device 6 is suitable for being abutted to the movable sleeve 2, the gun head 1 is provided with a limit groove 71 in the first mounting opening 3, and at least part of the rear end of the reset device 6 is suitable for being embedded in the limit groove 71.

In the embodiment shown in fig. 2 to 4, the resetting device 6 is a spring, the surrounding radius of the front end of the spring is larger than that of the rear end of the spring, so that the front end of the spring can be in interference fit with the movable sleeve 2, and the rear end of the spring can be in fit with the gun head 1 in the limit groove 71.

The radius difference between the surrounding radius of the front end of the spring and the surrounding radius of the rear end of the spring is larger than the caliber of the second mounting opening 7, so that the probability of falling out after the spring enters the second mounting opening 7 is reduced.

Since the spring has a spiral shape and a certain variable diameter capability at both ends, the rear end of the spring having a small radius can be fitted into the limit groove 71 by utilizing this characteristic, and the spring is not easily detached after the fitting.

It will be appreciated that the use of springs by the reset device 6 can help to better cushion the relative movement between the moveable sleeve 2 and the gun head 1, further improving the anti-shatter performance of the gun head 1.

The limiting groove 71 is gradually deepened and recessed from the front end of the gun head 1 to the rear end direction of the gun head 1, and the inclination deepening design of the limiting groove 71 can play a supporting and guiding role on the spring, so that the probability of twisting and folding the spring is reduced.

A sealing gasket 8 is arranged in the second mounting opening 7, one end of the sealing gasket 8 extends into the limiting groove 71 and is in interference fit and clamping connection with the resetting device 6, and the other end of the sealing gasket 8 abuts against the movable sleeve 2.

The sealing gasket 8 is L-shaped, two ends of the sealing gasket 8 are respectively a smaller end 81 and a plane end 82, the smaller end 81 extends into the limit groove 71, and the plane end 82 is attached to the movable sleeve 2.

The sealing gasket 8 can play a sealing effect and a plugging effect, and further reduces the probability that the spring is separated from the second mounting opening 7.

In some embodiments, the gasket 8 is preferably made of an elastic material having high weather resistance, such as rubber or silicone.

In some embodiments, the gasket 8 may be a hollow structure to enhance the deformability of the gasket 8.

When the deeper side of the limiting groove 71 is close to the outlet of the second mounting opening 7, the smaller end 81 can be firstly inserted from the second mounting opening 7 and clamped between the rear end of the spring and the deeper side of the limiting groove 71, then the plane end 82 of the sealing gasket 8 is rotated from the outside of the second mounting opening 7, the deformation capacity of the sealing gasket 8 is utilized to enter the second mounting opening 7, and the plane end 82 is attached to the movable sleeve 2, so that the sealing effect is realized.

The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.

Claims (10)

1. A three proofings rifle that charges which characterized in that: including rifle head and movable sleeve, the movable sleeve is followed rifle head circumference movable sleeve establishes, the front end of rifle head with be formed with first installing port between the front end of movable sleeve, the rifle head the front end with be connected with the shade between the front end of movable sleeve the sealing membrane layer of first installing port, be provided with conflict portion in the first installing port, the front end of movable sleeve slide to with when the front end of rifle head flushes, conflict portion is suitable for making at least part sealing membrane layer protrusion in the front end of rifle head.

2. A tri-proof charging gun as defined in claim 1, wherein: a resetting device is arranged between the gun head and the movable sleeve, and is suitable for enabling the movable sleeve to slide and enabling the front end of the movable sleeve to protrude out of the front end of the gun head.

3. A tri-proof charging gun as defined in claim 2, wherein: the gun head is provided with a limiting groove in the first mounting port, and at least part of the rear end of the resetting device is suitable for being embedded in the limiting groove.

4. A tri-proof charging gun as claimed in claim 3, wherein: the reset device is a spring, and the surrounding radius of the front end of the spring is larger than that of the rear end of the spring; the radius difference between the surrounding radius of the front end of the spring and the surrounding radius of the rear end of the spring is larger than the caliber of the second mounting opening.

5. A tri-proof charging gun as defined in claim 4, wherein: the limiting groove is gradually deepened and recessed from the front end of the gun head to the rear end of the gun head.

6. A tri-proof charging gun as claimed in claim 3, wherein: the second mounting port is internally provided with a sealing gasket, one end of the sealing gasket extends into the limiting groove and is in interference fit and clamping connection with the resetting device, and the other end of the sealing gasket abuts against the movable sleeve.

7. A tri-proof charging gun as defined in claim 6, wherein: the sealing gasket is L-shaped, the two ends of the sealing gasket are respectively a smaller end and a plane end, the smaller end extends into the limiting groove, and the plane end is attached to the movable sleeve.

8. A tri-proof charging gun as defined in claim 1, wherein: the distance between the top end of the abutting part and the plane where the front end of the gun head is located is smaller than the thickness of the sealing film layer.

9. A tri-proof charging gun as defined in claim 1, wherein: at least part of the abutting part is suitable for abutting against the middle part of the sealing film layer.

10. A tri-proof charging gun as defined in claim 1, wherein: the abutting part and the gun head are integrally formed or combined in a split mode; at least the top of the abutting part is made of flexible materials.