CN216008112U - Grafting mistake proofing structure, key subassembly and carry thing car - Google Patents

Abstract

The utility model relates to the technical field of locks, in particular to an insertion mistake-proofing structure, a key assembly and a carrying vehicle. The plug-in mistake proofing structure comprises a first piece and a second piece, wherein the first piece is provided with an installation cavity, and the inner wall of the installation cavity is provided with a first limiting structure; the second piece is provided with an inserting part which is inserted into the mounting cavity, and a second limiting structure is formed on the inserting part; the first limiting structure and the second limiting structure are matched and used for limiting the insertion direction of the second piece into the installation cavity. When the inserting mistake-proofing structure is used, the first limiting structure and the second limiting structure are used for limiting the inserting direction of the second piece into the installation cavity, the inserting part of the second piece can only be inserted into the installation cavity of the first piece according to the specific inserting direction, and the problems that the second piece is abraded, damaged and the like due to the fact that the inserting direction of the second piece is wrong and the second piece cannot be taken out from the installation cavity can be effectively solved.

Description

Grafting mistake proofing structure, key subassembly and carry thing car

Technical Field

The utility model relates to the technical field of locks, in particular to an insertion mistake-proofing structure, a key assembly and a carrying vehicle.

Background

The key is a common unlocking tool in people's life and has wide application. In the prior art, the key is usually required to be prevented from being in a designated position after use, so as to facilitate finding and next use, such as a following key on a handle of a car. The key is stored on the trolley handle along with the key, and after the key is used, a user needs to carefully judge the insertion direction of the key so as to avoid the damage of the key caused by the wrong insertion direction of the key and the like. When a key is inserted into the ejection mechanism, erroneous insertion of the key may also result in the ejection mechanism failing to eject the key.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a plug-in mistake proofing structure for solving or partially solving the problem of the conventional key damage caused by the wrong insertion direction of the key.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

an insertion error-proofing structure comprises a plug-in connector,

the device comprises a first piece, a second piece and a third piece, wherein a mounting cavity is formed, and a first limiting structure is arranged on the inner wall of the mounting cavity;

the second piece is provided with an inserting part which is inserted into the mounting cavity, and a second limiting structure is formed on the inserting part;

the first limiting structure and the second limiting structure are matched and used for limiting the insertion direction of the second piece into the installation cavity.

Furthermore, the outer wall of the insertion part is provided with the second limiting structure.

Furthermore, the inserting part is of a prism-like structure, one end face of the inserting part is a first polygon, the other end face of the inserting part is a second polygon, the first polygon and the second polygon have at least one edge with different side lengths, and the second limiting structure comprises the first polygon and the second polygon;

the open end of installation cavity with the shape adaptation of first polygon, keep away from the other end of open end with the shape adaptation of second polygon, first limit structure includes the installation cavity.

Furthermore, the first polygon and the second polygon are both octagonal, two opposite sides of the first polygon are parallel and have equal side length, and the second polygon has at least one pair of opposite sides with unequal side length.

Furthermore, the two pairs of opposite sides in the second polygon have different side lengths, the two pairs of opposite sides are arranged at intervals, and the two sides on the same side have the same side length;

two other pairs of opposing edges in the second polygon are parallel to each other.

Furthermore, a groove is formed in the inner wall of the mounting cavity, a protrusion is formed at one end of the insertion part, and the protrusion is suitable for being inserted into the groove;

the first limiting structure comprises the protrusion, and the second limiting structure comprises the groove.

Furthermore, the first limiting structure comprises a first magnetic part, the second limiting structure comprises a second magnetic part, and when the second part is inserted into the installation cavity towards the insertion direction, the first magnetic part and the second magnetic part attract each other.

Further, the outer wall of the second piece is marked with a direction mark.

Compared with the prior art, the splicing mistake-proofing structure has the following advantages:

when the plug-in mistake-proofing structure is used, the first limiting structure and the second limiting structure are used for limiting the insertion direction of the second piece inserted into the installation cavity, and the plug-in part of the second piece can only be inserted into the installation cavity of the first piece according to the specific insertion direction, so that the problems that the second piece is abraded, damaged and the like due to the fact that the second piece is inserted in the wrong direction, and the second piece cannot be taken out of the installation cavity can be effectively solved.

Another objective of the present invention is to provide a key assembly and a carrier vehicle, so as to solve or partially solve the problem of key damage caused by wrong key insertion in the existing key assembly and carrier vehicle.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a key assembly comprises the plug-in mistake proofing structure, the first piece is a key, the second piece is an ejection mechanism, and the key is suitable for being inserted into the ejection mechanism.

A carrying vehicle comprises a handle and the key assembly, wherein the ejection mechanism is arranged at the end part of the handle.

Compared with the prior art, the key assembly and the loading vehicle have the same advantages as the inserting mistake-proofing structure, and are not described again.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic structural diagram illustrating an exploded view of a plugging error-proofing structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a left side view of the plugging error-proofing structure according to the embodiment of the present invention;

FIG. 3 is a schematic left side view of a first member according to an embodiment of the present invention;

FIG. 4 is a schematic front view of a second member according to an embodiment of the present invention;

FIG. 5 is a first schematic structural diagram illustrating a top view of a second member according to an embodiment of the present invention;

FIG. 6 is a second schematic structural view of a top view of a second member in accordance with an embodiment of the present invention;

FIG. 7 is a schematic bottom view of the second member according to the embodiment of the present invention;

FIG. 8 is a schematic left side view of a second member according to an embodiment of the present invention;

FIG. 9 is a schematic right side elevational view of a second member in accordance with an embodiment of the present invention;

FIG. 10 is a schematic structural diagram illustrating a top view of an exploded view of a plugging error proofing structure according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of a cross-sectional view taken along line A-A of FIG. 10;

fig. 12 is a schematic structural view of a carrier vehicle according to an embodiment of the present invention.

Description of reference numerals:

1-a first piece; 11-a mounting cavity; 12-a groove; 13-a plug column;

2-a second piece; 21-a plug-in part; 22-a first polygon; 23-a second polygon; 24-a bump; 25-direction indication; 26-a plug hole;

3, carrying a vehicle; 31-handle.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In addition, the front and rear mentioned in the embodiment of the utility model refer to the front and rear with respect to the forward direction of the vehicle.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 11, an embodiment of the present application provides an insertion mistake proofing structure, including a first piece 1 and a second piece 2, where the first piece 1 is formed with an installation cavity 11, and an inner wall of the installation cavity 11 is provided with a first limiting structure; the second piece 2 is provided with an inserting part 21 which is inserted into the mounting cavity 11, and a second limiting structure is formed on the inserting part 21; the first limiting structure and the second limiting structure are matched and used for limiting the insertion direction of the second piece 2 into the mounting cavity 11.

When the plugging mistake-proofing structure in the embodiment of the application is used, because the first limiting structure and the second limiting structure are used for limiting the insertion direction of the second piece 2 inserted into the installation cavity 11, the plugging part 21 of the second piece 2 can only be inserted into the installation cavity 11 of the first piece 1 according to the specific insertion direction, and the problems that the second piece 2 is worn, damaged and the like due to the wrong insertion direction of the second piece 2 and cannot be taken out from the installation cavity 11 can be effectively avoided.

In practical use, the second member 2 may be inserted into the mounting cavity 11 completely, or may be inserted into the mounting cavity 11 partially, specifically according to the use requirement.

Referring to fig. 2, 10 and 11, when the second member 2 is fully inserted into the mounting cavity 11, the second member 2 is connected with the first member 1, and then referring to fig. 2, the appearance of the connected second member 2 and first member 1 is symmetrical, which can enhance the satisfaction of users.

Referring to fig. 4 to 9, in an embodiment, the second limiting structure is formed on an outer wall of the insertion part 21.

The second limiting structure is arranged on the outer wall of the insertion part 21, so that the processing and the manufacturing are convenient, and the manufacturing cost is reduced.

Referring to fig. 4 to 9, in an embodiment, the inserting portion 21 has a prism-like structure, one end surface of the inserting portion 21 is a first polygon 22, the other end surface is a second polygon 23, at least one side of the first polygon 22 and one side of the second polygon 23 have different side lengths, and the second limiting structure includes the first polygon 22 and the second polygon 23;

the open end of the installation cavity 11 is matched with the shape of the first polygon 22, the other end far away from the open end is matched with the shape of the second polygon 23, and the first limiting structure comprises the installation cavity 11. The other end face of the insertion part 21 is inserted into the mounting cavity 11.

Because the length of one side of first polygon 22 and second polygon 23 is different at least, when the other terminal surface of grafting portion 21 inserts in installation cavity 11, because the other end of installation cavity 11 and the shape adaptation of second polygon 23, grafting portion 21 can insert in installation cavity 11, when an terminal surface of grafting portion 21 inserts in installation cavity 11, because the other end of installation cavity 11 and the shape incompatibility of first polygon 22, grafting portion 21 will not insert in installation cavity 11, can effectively avoid because of the wearing and tearing of second 2 that second 2 insertion direction mistake leads to, damage etc. to and can not follow the problem of taking out in installation cavity 11.

It will be understood that the size of the open end of the mounting cavity 11 is larger than the size of the other end, and that both one end face of the mating part 21 and the other end face of the mating part 21 can be inserted into the open end.

Referring to fig. 8 and 9, in an embodiment, the first polygon 22 and the second polygon 23 are both octagonal, two opposite sides of the first polygon 22 are parallel and have equal side lengths, and at least one pair of opposite sides of the second polygon 23 have unequal side lengths.

Two opposite sides of the first polygon 22 are parallel and have equal side lengths, and the second polygon 23 has at least one pair of opposite sides with unequal side lengths, so that the side lengths of at least one side of the first polygon 22 and the second polygon 23 are different, thereby preventing the insertion part 21 from being inserted into the mounting cavity 11 in a wrong direction.

Referring to fig. 4 to 9, in an embodiment, the second polygon 23 has two pairs of opposite sides with different side lengths, the two pairs of opposite sides are both disposed at intervals, and the two sides on the same side have the same side length; the other two pairs of opposite sides of the second polygon 23 are parallel to each other.

Referring to fig. 8 and 9, two opposite sides of the eight sides of the first polygon 22 are parallel and have the same side length, that is, a1 is equal to A3, a2 is equal to a4, and the sides corresponding to a1, A3, a2 and a4 are arranged at intervals. And the eight sides of the second polygon 23 have two pairs of opposite sides with different side lengths, that is, B1 > B3, B2 > B4, and the sides corresponding to B1, B3, B2 and B4 are arranged at intervals. The corresponding sides of a1, A3, a2 and a4, and B1, B3, B2 and B4 can distinguish the first polygon 22 from the second polygon 23 and prevent the insertion of the mating part 21 into the mounting cavity 11 in the wrong direction.

Referring to fig. 8 and 9, in an embodiment, a1 ═ A3 ═ a2 ═ a4, and B1 ═ B2 > B3 ═ B4, in this case, the first polygon 22 is a symmetrical polygon, which can ensure a styling effect, and the second polygon 23 is a more symmetrical polygon, which can also ensure a styling effect, so that the appearance of the second article 2 is more beautiful, and the satisfaction of the user can be improved.

Referring to fig. 8 and 9, B1 ═ B2 > B3 ═ B4 can realize vertical mistake proofing of the plug part 21, and the mistake proofing mode is simple and the structure is simple and reliable.

Referring to fig. 8 and 9, in another embodiment, a1, A3, a2, a4, B3, B4, B1, and B2 are symmetrical, so that the appearance of the second piece 2 is more beautiful and the satisfaction of the user can be improved.

It is understood that, in practical applications, the number of edges and the length of the first polygon 22 and the second polygon 23 may be adjusted accordingly, which is not limited by the embodiment of the present invention.

Referring to fig. 10 and 11, in an embodiment, a groove 12 is formed on an inner wall of the mounting cavity, and a protrusion 24 is formed at one end of the insertion part 21, wherein the protrusion 24 is adapted to be inserted into the groove 12; the first stop structure comprises the projection 24 and the second stop structure comprises the recess 12.

When the second member 2 is inserted into the mounting cavity 11 in the insertion direction, the protrusion 24 is inserted into the groove 12, and the insertion part 21 can be inserted into the mounting cavity 11. When the second member 2 is inserted into the mounting cavity 11 in the reverse direction, the insertion part 21 cannot be inserted into the mounting cavity 11 due to the arrangement of the protrusion 24, and the insertion part 21 can be prevented from being inserted into the mounting cavity 11 in the wrong direction.

The setting of arch 24 still makes the user when taking protruding 24 characteristic, has the sense of grabbing, can increase frictional force, conveniently snatchs, and the difficult landing of second piece 2.

Referring to fig. 10 and 11, in an embodiment, the protrusion 24 is disposed to extend outward along an end surface of the insertion part 21.

The protrusion 24 extends outwards along one end face of the insertion part 21, and one end face of the insertion part 21 is a plane, so that the appearance is more attractive, and the satisfaction degree of a user is increased.

In an embodiment, the first limiting structure comprises a first magnetic element, and the second limiting structure comprises a second magnetic element, and when the second element 2 is inserted into the mounting cavity 11 according to the insertion direction, the first magnetic element and the second magnetic element attract each other.

The first magnetic part and the second magnetic part are made of magnet materials, can generate a magnetic field and have the characteristics of repelling like poles and attracting opposite poles. When the second piece 2 is inserted into the mounting cavity 11 in the inserting direction, the first magnetic piece and the second magnetic piece attract each other in opposite polarities, so that the inserting part 21 can be inserted into the mounting cavity 11, and when the second piece 2 is inserted into the mounting cavity 11 in the opposite direction, the first magnetic piece and the second magnetic piece repel each other in the same polarity, a slight repelling feeling is provided for a user, and the inserting part 21 can be prevented from being inserted into the mounting cavity 11 in the wrong direction.

In another embodiment, the first magnetic member is disposed at the periphery of the cavity opening of the installation cavity 11, the second magnetic member is disposed at an end close to the insertion portion 21, the first magnetic member and the second magnetic member have the same magnetism, and when the insertion direction is not opposite, the two same magnetic poles repel each other, so as to provide a repulsive sense to the user.

Referring to fig. 6, in one embodiment, the outer wall of the second member 2 is marked with directional indicia 25.

The arrangement of the direction indicator 25 is convenient for users to distinguish the insertion direction, and the insertion part 21 can be prevented from being inserted into the installation cavity 11 according to the wrong direction.

Referring to fig. 1 to 11, in the insertion mistake proofing structure of the embodiment of the present application, the first limiting structure includes a cavity wall of the installation cavity 11, a groove 12 and a first magnetic member, the second limiting structure includes one end surface and the other end surface of the insertion portion 21, a protrusion 24 and a second magnetic member, and the first limiting structure and the second limiting structure can limit an insertion direction of the second member 2 into the installation cavity 11, so as to avoid damage to the second member 2, and the like.

The embodiment of the utility model also provides a key assembly, which specifically comprises the insertion mistake-proofing structure, wherein the first piece 1 is a key, the second piece 2 is an ejection mechanism, and the key is suitable for being inserted into the ejection mechanism.

In the key can insert pop-up mechanism, because first limit structure and the second limit structure in the grafting mistake proofing structure are used for restricting the key and insert the direction of inserting in pop-up mechanism's installation cavity 11, can prevent the wrong of key and insert, avoid appearing the key wearing and tearing, reduce the damage of key to and the condition that the key can not follow pop-up mechanism and pop out, promote user's experience effect.

Referring to fig. 3 and 9, information interaction exists between the ejection mechanism and the key, for example, when charging, signal transmission, and the like, the ejection mechanism may be provided with a plug-in post 13, the key is provided with a plug-in hole 26, and the information interaction is realized after the plug-in post 13 and the plug-in hole 26 are connected.

The embodiment of the present invention further provides a carrier vehicle 3, which is shown in fig. 12 and specifically includes a handle 31 and the key assembly, where an end of the handle 31 is provided with the ejection mechanism.

The key assembly can reduce the wear of the key and the like, and can improve the experience effect of the user, so that the use satisfaction degree of the user on the loading vehicle 3 can be increased.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. An insertion mistake-proofing structure is characterized by comprising,

the first part (1) is provided with a mounting cavity (11), and a first limiting structure is arranged on the inner wall of the mounting cavity (11);

the second piece (2) is provided with an inserting part (21) which is inserted into the mounting cavity (11), and a second limiting structure is formed on the inserting part (21);

the first limiting structure and the second limiting structure are matched and used for limiting the insertion direction of the second piece (2) into the mounting cavity (11).

2. The plug-in mistake proofing structure according to claim 1, characterized in that the second limiting structure is formed on the outer wall of the plug-in part (21).

3. The splicing error-proofing structure according to claim 1, wherein the splicing part (21) is a prism-like structure, one end surface of the splicing part (21) is a first polygon (22), the other end surface is a second polygon (23), at least one side of the first polygon (22) and the second polygon (23) has different side lengths, and the second limiting structure comprises the first polygon (22) and the second polygon (23);

the open end of installation cavity (11) with the shape adaptation of first polygon (22), keep away from the other end of open end with the shape adaptation of second polygon (23), first limit structure includes installation cavity (11).

4. Plugging mistake proofing structure according to claim 3,

the first polygon (22) and the second polygon (23) are both octagonal, two opposite sides of the first polygon (22) are parallel and have equal side length, and the second polygon (23) has at least one pair of opposite sides with unequal side length.

5. The plugging error-proofing structure of claim 4,

the two pairs of opposite sides in the second polygon (23) are different in side length, the two pairs of opposite sides are arranged at intervals, and the two sides positioned on the same side are the same in side length;

the other two pairs of opposite sides of the second polygon (23) are parallel to each other.

6. The plugging mistake proofing structure of claim 1, wherein the inner wall of the mounting cavity is formed with a groove (12), one end of the plugging portion (21) is formed with a protrusion (24), and the protrusion (24) is adapted to be inserted into the groove (12);

the first retention feature comprises the projection (24) and the second retention feature comprises the recess (12).

7. Plugging mistake proofing structure according to claim 1, characterized in that the first limiting structure comprises a first magnetic element and the second limiting structure comprises a second magnetic element, which attract each other when the second element (2) is inserted towards the mounting cavity (11) according to the insertion direction.

8. Plug-in mistake proofing according to claim 1, characterized in that the outer wall of the second piece (2) is marked with a direction indication (25).

9. A key assembly, characterized in that it comprises a plug-in mistake proofing according to any of claims 1-8, the first piece (1) being a key and the second piece (2) being an ejection mechanism, the key being adapted to be inserted into the ejection mechanism.

10. A carrier vehicle, characterized in that it comprises a handle (31) and a key assembly according to claim 9, the end of the handle (31) being provided with the ejection mechanism.

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