CN212626273U - Waterproof hasp structure and rifle that charges - Google Patents

Abstract

The utility model relates to the technical field of charging guns, and discloses a waterproof lock catch structure and a charging gun, wherein the waterproof lock catch structure comprises a connecting rod, a sleeve arranged on the gun body and a fastener; the sleeve is hollow and has two open ends, the connecting rod is arranged in the sleeve in a penetrating way, and one end of the connecting rod protrudes out of the first end face of the sleeve and is connected with a locking hook; a first boss abutting against the end face of the second end of the sleeve is arranged on the outer side face of the connecting rod, a second boss is arranged on the outer side face of the connecting rod in the sleeve, and the first boss and the second boss are separated by a certain distance along the length direction of the connecting rod to form a groove part; the fastener is sleeved on the second end of the sleeve so that the inner side surface of the sleeve is attached to the bottom surface of the groove portion. The utility model discloses a hasp structure can effectively block the inside of rainwater infiltration rifle body, improves the waterproof performance of rifle that charges.

Description

Waterproof hasp structure and rifle that charges

Technical Field

The utility model relates to a rifle technical field charges especially relates to a waterproof hasp structure and rifle charges.

Background

With the increasing popularization of electric vehicles in life, the charging pile becomes one of the indispensable charging devices of electric vehicles. In order to improve the safety and reliability of the charging gun and the electric automobile in connection charging, a locking structure is arranged on the charging gun, a locking hole is formed in the electric automobile, and the locking structure is buckled in the locking hole so that the charging gun is fixed on the electric automobile. The locking hook of the charging gun needs to be subjected to waterproof treatment, so that the phenomenon that rainwater permeates into the charging gun from the locking hook when the electric automobile is charged in a rainy day is avoided, and therefore the electronic element in the gun body is damaged, and the short circuit fault of the charging equipment is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a waterproof hasp structure and rifle that charges effectively blocks the inside of rainwater infiltration rifle body, improves the waterproof performance of rifle that charges.

In order to achieve the above object, the present invention provides a waterproof lock catch structure, which comprises a connecting rod, a sleeve arranged on a gun body, and a fastener; the sleeve is hollow and has two open ends, the connecting rod is arranged in the sleeve in a penetrating way, and one end of the connecting rod protrudes out of the first end face of the sleeve and is connected with a locking hook; a first boss abutting against the end face of the second end of the sleeve is arranged on the outer side face of the connecting rod, a second boss is arranged on the outer side face of the connecting rod in the sleeve, and the first boss and the second boss are separated by a certain distance along the length direction of the connecting rod to form a groove part; the fastener is sleeved on the second end of the sleeve so that the inner side surface of the sleeve is attached to the bottom surface of the groove portion.

Preferably, the sleeve is flared, and the opening cross-sectional area of the first end of the sleeve is larger than that of the second end of the sleeve.

Preferably, the inner side surface of the sleeve is provided with a third boss surrounding the inner side surface of the sleeve.

Preferably, a buffering rib is arranged on the outer side surface of the first end of the sleeve, and the buffering rib is used for absorbing the inertia force generated by the swinging of the sleeve so as to reduce the swinging amplitude of the second end of the sleeve.

Preferably, the outer edge of the first end of the sleeve is annularly provided with a water blocking enclosure.

Preferably, the fastening member is a hollow cylinder structure with openings at two ends, and a clamping block clamped in the groove portion is arranged on the inner side surface of the fastening member.

Preferably, the number of the clamping blocks is multiple, and the clamping blocks are sequentially arranged along the inner side edge of one end of the fastener.

Preferably, the surface of the fixture block is arc-surface-shaped.

Preferably, the fastener is a cable tie or a loop.

The utility model provides a rifle charges, includes the rifle body, still includes above waterproof hasp structure, the sleeve sets up on the rifle body, just the latch hook stretches out the outside of the rifle body is used for the lock in electric automobile's lockhole.

The embodiment of the utility model provides a waterproof hasp structure compares with prior art with rifle that charges, and its beneficial effect lies in:

the utility model discloses waterproof hasp structure includes the connecting rod, sleeve and fastener, the one end of connecting rod is connected with the latch hook that is used for the lock at electric automobile's lockhole, the sleeve is inside cavity and both ends area open-ended structure, the connecting rod is worn to establish in the sleeve and is made the latch hook expose in the outside of telescopic first end, the first boss of the terminal surface butt connecting rod of telescopic second end is located between first boss and the second boss, the fastener cover is established and is served and tighten the sleeve at telescopic second, so that telescopic medial surface closely laminates in the bottom surface of concave part, make the rainwater from the infiltration of sleeve first end block before the second boss, the rainwater is difficult to get into the inside of the rifle body through telescopic second end, effectively improve the waterproof performance of rifle that charges.

Drawings

Fig. 1 is a schematic structural view of a waterproof latch structure according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a connecting rod according to an embodiment of the present invention;

FIG. 3 is a schematic view of a sleeve according to an embodiment of the present invention;

FIG. 4 is a schematic view of a half-section of a sleeve according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a fastener according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of a partial half-section of a charging gun according to an embodiment of the present invention;

in the drawings, 1-latch hook;

2-connecting rod, 21-first boss, 22-second boss and 23-groove part;

3-sleeve, 31-third boss, 32-buffer rib and 33-water blocking enclosure;

4-fastener, 41-fixture block;

5-gun body.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 5, a waterproof lock catch structure according to a preferred embodiment of the present invention includes a connecting rod 2, a sleeve 3 for being disposed on a gun body, and a fastening member 4; the sleeve 3 is hollow and has two open ends, the connecting rod 2 is arranged in the sleeve 3 in a penetrating way, one end of the connecting rod 2 protrudes out of the first end face of the sleeve 3 and is connected with the lock hook 1; a first boss 21 abutting against the second end face of the sleeve 3 is arranged on the outer side face of the connecting rod 2, a second boss 22 is arranged on the outer side face of the connecting rod 2 positioned in the sleeve 3, and the first boss 21 and the second boss 22 are separated by a certain distance along the length direction of the connecting rod 2 to form a groove portion 23; the fastener 4 is sleeved on the second end of the sleeve 3 so that the inner side surface of the sleeve 3 is attached to the bottom surface of the groove portion 23.

Electric automobile when the rainy day charges, outside rainwater can follow the inside of the 2 infiltration rifle bodies of connecting rod, consequently cup jointed sleeve 3 on connecting rod 2 in order to block the rainwater outside the rifle body. However, since a certain gap exists between the sleeve 3 and the connecting rod 2, part of rainwater still permeates into the gun body along the gap, and damages the electronic components in the gun body or causes short-circuit failure of the charging gun. Consequently, be provided with first boss 21 and second boss 22 on the lateral surface through connecting rod 2 in order to form concave part 23, the terminal surface of the second end of sleeve 3 supports and leans on to first boss 21 and be located concave part 23, then adopts fastener 4 cover to establish on the second end of sleeve 3 for the medial surface of the second end of sleeve 3 closely laminates at the lateral surface of connecting rod 2, effectively blocks the rainwater before second boss 22, thereby blocks the inside of rainwater infiltration rifle body more effectively.

It should be noted that, in order to effectively block rainwater from infiltrating from the sleeve 3, the opening cross-sectional area of the first end of the sleeve 3 is as large as possible as the cross-sectional area of the connecting rod 2, but in order to make the connecting rod 2 smoothly penetrate through the sleeve 3, the sleeve 3 is made of an elastic material, and the end face of the second end of the sleeve 3 abuts against the first boss 21 after passing through the second boss 22 through elastic deformation of the sleeve 3, so that the end face of the second end of the sleeve 3 is located between the first boss 21 and the second boss 22.

Further, in order to improve the structural strength, the latch hook 1 and the connecting rod 2 are formed into an integrated structure through an injection molding process.

Further, referring to fig. 3 and 4, the sleeve 3 is trumpet-shaped, and the opening cross-sectional area of the first end of the sleeve 3 is larger than that of the second end of the sleeve 3. Because there is certain clearance between the medial surface of sleeve 3 and connecting rod 2, the rainwater begins the infiltration from the first end opening of sleeve 3, in order to effectively block the further infiltration of rainwater, the opening cross sectional area of the first end of sleeve 3 reduces in order to form loudspeaker form to the opening cross sectional area of second end gradually, effectively blocks the inside infiltration of rainwater to the rifle body.

Further, referring to fig. 3 and 4, in order to further reduce the gap between the inner side surface of the sleeve 3 and the outer surface of the connecting rod 2 to improve the waterproof performance, a third boss 31 surrounding the inner side surface of the sleeve 3 is provided on the inner side surface of the sleeve 3, and the third boss 31 is used for sealing the gap between the inner side surface of the sleeve 3 and the outer side surface of the connecting rod 2 to further block the infiltration of rainwater. Preferably, a third boss 31 is provided at the second end of the sleeve 3.

Further, referring to fig. 3 and 4, the outer side surface of the first end of the sleeve 3 is provided with a buffer rib 32. Because the connecting rod 2 needs the luffing motion in-process of controlling latch hook 1 position to the first end that drives sleeve 3 also luffing motion thereupon brings inertial force, and inertial force can reverse effect so that fastener 4 takes place to become flexible and drops at the second end of sleeve 3, is provided with buffering muscle 32 on the lateral surface of the first end of sleeve 3 consequently, buffering muscle 32 has certain elastic deformation in order to absorb the inertial force that the swing produced, and then reduces the swing range of the second end of sleeve 3.

Further, in order to effectively block rainwater from penetrating from the first end of the sleeve 3, the outer edge of the first end of the sleeve 3 is annularly provided with a water blocking enclosure 33. Referring to fig. 6, when waterproof latch hook structure sets up in the rifle that charges, the rifle that charges sets up the slotted hole that supplies connecting rod 2 to pass, sleeve 3 cover is established on connecting rod 2 and the opening terminal surface of sleeve 3's first end terminal surface butt slotted hole, in order to block rainwater from the first end lateral wall infiltration rifle that charges of sleeve 3, the first end outside edge of sleeve 3 is provided with and blocks water and encloses fender 33, block water and enclose the cross sectional area who keeps off 33 and be far greater than the cross sectional area of slotted hole, make block water and enclose fender 33 butt and compress tightly the opening terminal surface at the slotted hole, effectively block the rainwater in the first end lateral wall infiltration rifle that charges of sleeve 3.

As an example, referring to fig. 5, the fastening member 4 is a cylindrical structure with a hollow interior and two open ends, and a fastening block 41 for being fastened in the groove portion 23 is disposed on an inner side surface of the fastening member 4. Preferably, the fastening member 4 is partially sleeved on the outer side of the sleeve 3, so that the structure is firmer. The fastening member 4 can be sleeved at the second end of the sleeve 3 and abuts against the second end of the sleeve 3 through the fixture block 41 so that the inner side surface of the second end of the sleeve 3 is tightly attached to the bottom surface of the groove portion 23, and therefore the second end of the sleeve 3 and the connecting rod 2 are sealed and waterproof.

Further, the number of the latch 41 is plural, and the plural latches 41 are sequentially provided along an inner side edge of one end of the fastener 4. Preferably, the number of the latch 41 is four, and two latch 41 are oppositely disposed on the inner edge of one end of the fastening member 4, so that when the fastening member 4 is sleeved on the second end of the sleeve 3, a larger pre-tightening force is generated to make the inner side surface of the sleeve 3 tightly fit the groove portion 23.

Further, the surface of the latch 41 has a curved surface shape. The arc surface of the fixture block 41 is smoothly connected with the edge of the fastening member 4 along the sheathing direction of the fastening member 4, so that the fixture block 41 easily enters the groove portion 23 and is limited between the first boss 21 and the second boss 22, and the purpose of tightly sheathing the second end of the sleeve 3 in the groove portion 23 is achieved.

The installation process of the waterproof lock catch structure comprises the following steps: sleeving a fastener 4 on the second end of the sleeve 3; then the second end of the sleeve 3 is sleeved from the first end of the connecting rod 2 and moves along the length direction of the connecting rod 2, when the second end face of the sleeve 3 passes through the second boss 22 of the connecting rod 2, the opening of the second end of the sleeve 3 is opened through elastic deformation, so that the second end face of the sleeve 3 smoothly passes through the second boss 22, and the second end face of the sleeve 3 is abutted to the first boss 21 of the connecting rod 2; finally, the fastener 4 moves along the length direction of the connecting rod 2, the fixture block 41 passes through the second boss 22 and then is located between the first boss 21 and the second boss 22, and the fixture block 41 is tightly clamped on the outer side surface of the second end of the sleeve 3, so that the inner side surface of the sleeve 3 is tightly attached to the bottom of the groove portion 23, and a sealing and waterproof effect is achieved.

As another example, the fastener 4 is a cable tie or a loop. The outer side face of the second end of the sleeve 3 is surrounded by the cable tie or the lantern ring firstly, and then the cable tie or the lantern ring is locked in the groove portion 23 after the length of the cable tie or the lantern ring is adjusted, so that the second end of the sleeve 3 is tightly sleeved in the groove portion 23, and the operation is simple and convenient.

Referring to fig. 6, a charging gun includes a gun body 5, and further includes a waterproof locking structure thereon, a sleeve 3 is disposed on the gun body 5 and can swing up and down in the gun body 5, and a locking hook 1 extends out of the gun body 5 and is used for being locked in a locking hole of an electric vehicle. Specifically, the utility model discloses a hasp structure sets up in the inside of the rifle body 5, compares with the hasp structure setting in the outside structure of the rifle body 5 among the prior art, and the purpose reduces the whole volume of rifle that charges, because latch hook 1 need stretch out in the outside of the rifle body 5, consequently the slotted hole that supplies connecting rod 2 to pass must be seted up to the rifle body 5, and the rainwater can follow the slotted hole and along in the connecting rod 2 infiltration rifle body 5, therefore the hasp structure need have waterproof ability. The utility model discloses a waterproof hasp structure adopts 3 covers of sleeve to establish on connecting rod 2 to block in the rainwater permeates the rifle body 5 along connecting rod 2, adopt fastener 4 to fix sleeve 3 firmly on connecting rod 2 simultaneously, further strengthen sealed waterproof effect with the clearance that reduces between sleeve 3 and the connecting rod 2.

To sum up, the embodiment of the utility model provides a waterproof hasp structure and rifle that charges, wherein, waterproof hasp structure has following advantage:

(1) the lateral surface of connecting rod 2 is provided with first boss 21 and second boss 22 in order to form concave part 23, and the second end terminal surface of sleeve 3 sets up in concave part 23, and fastener 4 cover is established at the second of sleeve 3 and is served to make the medial surface of sleeve 3 second end closely laminate in the bottom surface of concave part 23, stops the rainwater of infiltration before second boss 22, improves the waterproof performance of hasp structure.

(2) The medial surface of sleeve 3 is provided with the third boss 31 of encircleing sleeve 3 medial surface on, and the purpose of third boss 31 is the gap between sealed sleeve 3 medial surface and the connecting rod 2 to improve sealing performance and reach waterproof purpose.

(3) The outer side surface of the first end of the sleeve 3 is provided with a buffer rib 32, and the buffer rib 32 is used for absorbing the inertia force generated by the swinging of the sleeve 3 so as to reduce the swinging amplitude of the second end of the sleeve 3 and prevent the fastener 4 from falling off.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A waterproof lock catch structure is characterized by comprising a connecting rod, a sleeve arranged on a gun body and a fastener; the sleeve is hollow and has two open ends, the connecting rod is arranged in the sleeve in a penetrating way, and one end of the connecting rod protrudes out of the first end face of the sleeve and is connected with a locking hook; a first boss abutting against the end face of the second end of the sleeve is arranged on the outer side face of the connecting rod, a second boss is arranged on the outer side face of the connecting rod in the sleeve, and the first boss and the second boss are separated by a certain distance along the length direction of the connecting rod to form a groove part; the fastener is sleeved on the second end of the sleeve so that the inner side surface of the sleeve is attached to the bottom surface of the groove portion.

2. The waterproof latch structure of claim 1 wherein said sleeve is flared, said sleeve having a first end with an open cross-sectional area greater than an open cross-sectional area of said sleeve at a second end.

3. The waterproof latch structure of claim 1 wherein said sleeve has a third ledge on an inner surface thereof surrounding said sleeve.

4. The waterproof latch structure of claim 1 wherein a cushioning rib is disposed on an outer side of the first end of the sleeve, the cushioning rib being configured to absorb an inertial force generated by the swinging of the sleeve to reduce a swinging amplitude of the second end of the sleeve.

5. The waterproof latch structure of claim 1 wherein the outer edge of the first end of said sleeve is provided with a water-blocking enclosure.

6. The waterproof hasp structure of claim 1 wherein said fastening member is a hollow cylinder structure with openings at both ends, and a block for engaging with said groove is disposed on the inner side of said fastening member.

7. The waterproof snap close structure of claim 6, wherein the number of the snap blocks is plural, and the plurality of snap blocks are sequentially arranged along an inner side edge of one end of the fastening member.

8. The waterproof latch structure of claim 6 wherein the surface of the latch is arcuate.

9. The waterproof hasp structure of claim 1 wherein said fastener is a cable tie or a grommet.

10. A charging gun comprises a gun body and is characterized by further comprising the waterproof lock catch structure as claimed in any one of claims 1 to 9, wherein the sleeve is arranged on the gun body, and the lock hook extends out of the gun body and is used for being buckled in a lock hole of an electric automobile.

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