CN212462226U - Connection locking device - Google Patents

Abstract

The utility model discloses a connect locking device relates to connecting device technical field, and the main objective improves its convenient to use nature and connection reliability. The utility model discloses a main technical scheme does: the connection locking device comprises a female terminal and a male terminal; the female terminal comprises a shell, a guide cavity is arranged in the shell, and an elastic clamping part is arranged in the guide cavity; the shell is provided with a guide hole communicated with the guide cavity, and the extension directions of the guide hole and the guide cavity are consistent; the male terminal comprises a sliding body, wherein the sliding body can be inserted into the guide cavity through the guide hole and slide along the guide cavity until the sliding body is clamped on the elastic clamping part.

Description

Connection locking device

Technical Field

The utility model relates to a connecting device technical field especially relates to a connect locking device.

Background

At present, a connection locking device generally comprises a spiral connection mode, a magnetic connection mode and other modes, wherein the spiral connection mode needs to be continuously rotated to realize connection locking, the operation is inconvenient, the magnetic connection mode has weak beveling force, the magnetic connection mode is easy to break when external force is applied, and the connection reliability is poor.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a connect locking device, the main objective improves its convenient to use nature and connection reliability.

In order to achieve the above object, the utility model mainly provides the following technical scheme:

an embodiment of the utility model provides a connect locking device, include: a female terminal and a male terminal;

the female terminal comprises a shell, a guide cavity is arranged in the shell, and an elastic clamping part is arranged in the guide cavity;

the shell is provided with a guide hole communicated with the guide cavity, and the extension directions of the guide hole and the guide cavity are consistent;

the male terminal comprises a sliding body, wherein the sliding body can be inserted into the guide cavity through the guide hole and slide along the guide cavity until the sliding body is clamped on the elastic clamping part.

Furthermore, the elastic clamping part comprises two elastic sheets which are symmetrically arranged at two ends in the guide cavity along the depth direction of the guide cavity, the extending direction of the two elastic sheets is the same as the extending direction of the guide cavity, and the elastic sheets comprise a first section and a second section which are connected through a bending section;

the distance between the first sections of the two elastic sheets is greater than that between the second sections, the first sections are positioned at the head ends of the guide holes, and the second sections are positioned at the tail ends of the guide holes;

the thickness of the sliding body is larger than the distance between the two second sections and smaller than the distance between the two first sections;

the sliding body slides between the two elastic sheets until the sliding body is clamped between the two second sections.

Furthermore, the elastic sheet is laid on the inner end face of the shell;

a through hole corresponding to the guide hole is formed in the elastic sheet close to the guide hole, and the extending directions of the through hole and the guide hole are the same;

the through hole comprises a first part positioned on the first section and a second part positioned on the second section, and the width of the first part is matched with that of the sliding body and is larger than that of the second part;

the sliding body may be inserted into the guide cavity through the guide hole and the first portion.

Furthermore, the male terminal also comprises a connecting body connected with the sliding body, and the cross section of the male terminal is T-shaped;

the guide hole is matched with the outline shape of the through hole, and the outline shape of the part of the guide hole at the head end and the outline shape of the first part are matched with the outline shape of the sliding body.

Furthermore, the elastic sheet is a metal elastic sheet;

two ends of the sliding body are respectively provided with a metal layer, and the metal layers are abutted with the second section of the elastic sheet;

the sliding body is of a cylindrical structure;

the second section comprises a first flat section connected with the bent section and a rewinding section which is connected with the end part of the first flat section and extends towards the first section in an outward rewinding way; or, the second section is a second straight section.

Furthermore, a magnetic body is arranged at one end of the shell, which is far away from the guide hole, and a magnet attracting body is arranged on the sliding body; or the like, or, alternatively,

the end of the shell, which is far away from the guide hole, is provided with the attracting magnet, and the sliding body is provided with the magnetic body.

Furthermore, the magnetic body is arranged on the end face of the end, which is far away from the guide hole, of the shell; or the elastic sheet is arranged in the shell and is adjacent to the elastic sheet far away from the guide hole; alternatively, the first and second electrodes may be,

the magnet attracting body is arranged on the end face of one end of the shell, which is far away from the guide hole; or the elastic sheet is arranged in the shell and is adjacent to the elastic sheet far away from the guide hole.

Further, the magnetic body or the attracting magnet is provided in the sliding body.

Further, the guide cavity comprises a first cavity and a second cavity which are communicated with each other;

the sliding body slides in the first cavity, and the elastic sheet is arranged in the second cavity;

two isolating bodies are oppositely arranged in the shell along the width direction of the guide hole, a first space is formed between the two isolating bodies, and a second space is formed between the upper end and the lower end of each isolating body and the inner surface of the shell;

the first space forms the first cavity and the second space forms the second cavity.

Further, the shape of the shell includes, but is not limited to, a polygonal shape, a cylindrical shape, an elliptical cylindrical shape, a spherical shape, and an egg shape.

Borrow by above-mentioned technical scheme, the utility model discloses following beneficial effect has at least:

the embodiment of the utility model provides a connecting and locking device, which is characterized in that a guide hole and a guide cavity body with the same extending direction are arranged on a shell of a female terminal, an elastic clamping part is arranged in the guide cavity body, moreover, the male terminal comprises the sliding body, so that when the male terminal and the female terminal are required to be connected, the sliding body of the male terminal can be inserted into the guide cavity of the female terminal through the guide hole of the female terminal, and the sliding body slides along the guide hole and the guide cavity until the sliding body is clamped in the elastic clamping part, the connection locking between the male terminal and the female terminal can be completed, that is, in the connection locking device provided by the embodiment of the utility model, the male terminal and the female terminal can be connected and locked through the limiting guide effect of the guide cavity and the guide hole and the elastic force provided by the elastic clamping part, and the male terminal and the female terminal are convenient to operate, reliable in connection and simple in structure.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a female terminal in a connecting and locking device according to an embodiment of the present invention;

fig. 2 is a front sectional view of a female terminal in a connecting and locking device according to an embodiment of the present invention;

fig. 3 is a side cross-sectional view of a female terminal in a connecting and locking device according to an embodiment of the present invention;

fig. 4 is a side cross-sectional view of another female terminal of a connecting and locking device according to an embodiment of the present invention;

fig. 5 is a front cross-sectional view of another female terminal of a connecting and locking device according to an embodiment of the present invention;

fig. 6 is a cross-sectional end view of a female terminal in a connecting and locking device according to an embodiment of the present invention;

fig. 7 is a cross-sectional end view of another female terminal of a connecting and locking device according to an embodiment of the present invention;

fig. 8 is a cross-sectional end view of another female terminal of a connecting and locking device according to an embodiment of the present invention;

fig. 9 is a schematic sectional view of a male terminal of a connecting and locking device according to an embodiment of the present invention;

fig. 10 is a perspective view of a male terminal of a connecting locking device according to an embodiment of the present invention;

fig. 11 is a schematic structural view illustrating a male terminal of a connecting and locking device sliding in a female terminal according to an embodiment of the present invention;

fig. 12 is a schematic structural view illustrating a male terminal of a connection locking device according to an embodiment of the present invention is connected and locked in a female terminal.

Detailed Description

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 specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1 to 10, and with reference to fig. 11 and 12, an embodiment of the present invention provides a connection locking device, including a female terminal 1 and a male terminal 2; the female terminal 1 comprises a shell 11, a guide cavity 111 can be arranged in the shell 11, and an elastic clamping part can be arranged in the guide cavity 111; the housing 11 may be provided with a guide hole 112 communicating with the guide cavity 111, and the guide hole 112 and the guide cavity 111 extend in the same direction; the male terminal 2 includes a sliding body 21, and the sliding body 21 can be inserted into the guide cavity 111 through the guide hole 112 and slide along the guide cavity 111; until the slider 21 is held by the elastic holding portion. The outline shape of the housing 11 may include, but is not limited to, a polygonal shape, a cylindrical shape, an elliptic cylindrical shape, a spherical shape, and an egg shape.

In the connection locking device, the sliding body 21 of the male terminal 2 can be inserted into the guide cavity 111 through the guide hole 112 of the female terminal 1 and slide under the limiting guide effect of the guide cavity 111 until the sliding body 21 is clamped in the elastic clamping part, and the connection locking of the male terminal 2 and the female terminal 1 is completed. On the contrary, when the male terminal 2 and the female terminal 1 need to be separated, the sliding body 21 can be moved reversely to be separated from the elastic clamping portion until the sliding body passes through the guiding hole 112 to be separated from the female terminal 1, that is, the separation of the male terminal 2 and the female terminal 1 is completed, and the operation is convenient.

The embodiment of the present invention provides a connection locking device, by providing the guiding hole 112 and the guiding cavity 111 with the same extending direction on the housing 11 of the female terminal 1, and providing the elastic clamping portion in the guiding cavity 111, and the male terminal 2 comprises the sliding body 21, it is realized that when the male terminal 2 and the female terminal 1 need to be connected, the sliding body 21 of the male terminal 2 can be inserted into the guiding cavity 111 through the guiding hole 112 of the female terminal 1, and the sliding body 21 can slide along the guiding hole 112 and the guiding cavity 111 until the sliding body 21 is clamped in the elastic clamping portion, and the connection locking between the male terminal 2 and the female terminal 1 can be completed, that is, in the connection locking device provided by the embodiment of the present invention, the male terminal 2 and the female terminal 1 can complete the connection locking through the limit guiding function of the guiding cavity 111 and the guiding hole 112 and the elastic force provided by the elastic clamping portion, convenient operation, reliable connection and simple structure.

In an alternative embodiment, referring to fig. 3 and 4, the elastic clamping portion may include two elastic sheets 3 symmetrically disposed at two ends of the guide cavity 111 along the depth direction of the guide cavity 111, and the extending direction of the two elastic sheets is the same as the extending direction of the guide cavity 111, and the elastic sheets 3 may include a first section 32 and a second section 33 connected by a bending section 31; the distance between the first sections 32 of the two elastic sheets 3 is greater than the distance between the second sections 33, the first sections 32 are positioned at the head ends of the guide holes 112, and the second sections 33 are positioned at the tail ends of the guide holes 112; the thickness of the sliding body 21 is greater than the distance between the two second sections 33 and less than the distance between the two first sections 32; the sliding body 21 can slide between the two spring pieces 3 until it is clamped between the two second sections 33.

In the above embodiment, the elastic sheet 3 is arranged to include the first section 32 and the second section 33 connected by the bending section 31, and the thickness of the sliding body 21 is arranged to be larger than the distance between the two second sections 33 and smaller than the distance between the two first sections 32, so that the sliding body 21 moving between the two elastic sheets 3 symmetrically arranged can slide over the two first sections 32 and clamp between the two second sections 33 by crossing the bending section 31, thereby completing the connection locking of the male terminal 2 and the female terminal 1, and the structure is simple, the operation is convenient, and the connection is reliable. In particular, the bent section 31 of the elastic sheet 3 may be disposed obliquely. And the elastic sheet 3 may be positioned at one side of the guide hole 112 so that the sliding body 21 is inserted into the guide cavity 111 through the guide hole 112, and the width of the second section 33 is greater than that of the first section 32 so as to clamp the sliding body 21.

In order to further improve the connection stability between the male terminal 2 and the female terminal 1, in an alternative embodiment, referring to fig. 5 in combination with fig. 3, 4 and 6, the elastic sheet 3 may be laid on the end surface of the housing 11, and a through hole 314 corresponding to the guide hole 112 is provided on the elastic sheet 3 near the guide hole 112, and the through hole 314 and the guide hole 112 extend in the same direction; the through hole 314 comprises a first part 314a on the first section 32 and a second part 314b on the second section 33, the width of the first part 314a is matched with the width of the sliding body 21 and is larger than the width of the second part 314 b; the sliding body 21 may be inserted into the guide cavity 111 through the guide hole 112 and the first portion 314a of the through hole 314.

In the above embodiment, the elastic sheet 3 is provided with the through hole 314 corresponding to the guiding hole 112, the width of the first part 314a of the through hole 314 is matched with the width of the sliding body 21 and is larger than the width of the second part 314b, so that the sliding body 21 can be inserted into the guiding cavity 111 through the guiding hole 112 and the first part 314a, and when the sliding body 21 is clamped between the second sections 33 of the two elastic sheets 3 to complete the connection and locking of the device, all parts of the second sections 33 of the two elastic sheets 3 except the position of the through hole 314 are abutted against the sliding body 21, thereby improving the clamping force of the elastic sheets 3 on the sliding body 21, and further improving the connection stability of the male terminal 2 and the female terminal 1. The elastic sheet 3 can be laid on the whole inner end surface of the shell 11, that is, the elastic sheet 3 can be a whole piece of elastic sheet 3 with the shape and size matched with the inner end surface of the shell 11.

In order to further improve the convenience of the operation of the device, in an alternative embodiment, referring to fig. 9 and 10, the male terminal 2 may further include a connecting body 22 connected with the sliding body 21, and the cross-sectional shape of the male terminal 2 may be T-shaped; the guide hole 112 is fitted to the contour shape of the through hole 314, and the portion of the guide hole 112 at the head end thereof and the first portion 314a have contour shapes fitted to the contour shape of the slider 21.

In the above embodiment, by providing the connector 22, the user can drive the sliding body 21 to be inserted into the female terminal 1 through the connector 22 of the hand-held male terminal 2, and slide in the female terminal 1, so that the operation is more convenient. Also, the profile shapes of the guide hole 112 and the through hole 314 may be adapted, and particularly, the shape of the head end of the guide hole 112 and the shape of the first portion 314a of the through hole 314 may be the same as the profile shape of the sliding body 21, and the shape of the tail end of the guide hole 112 and the shape of the second portion 314b of the through hole 314 may be determined according to the shape of the connection body 22.

In an alternative embodiment, referring to fig. 3 and 4, and fig. 9 and 10, the elastic sheet 3 may be a metal elastic sheet 3; the two ends of the sliding body 21 are respectively provided with a metal layer 25, and the metal layer 25 is abutted with the second section 33 of the spring plate 3. That is to say, in this embodiment, the two metal layers 25 at the two ends of the sliding body 21 may be equivalent to two signal electrodes, and the two second sections 33 of the two elastic sheets 3 are also equivalent to two signal electrodes, when the sliding body 21 slides to and is clamped between the two second sections 33, the signal electrodes may be electrically connected to each other, so that the male terminal 2 and the female terminal 1 may not only complete connection and locking, but also complete signal connection, that is, the connection and locking device may implement the function of an electrical connector, and is more convenient to use.

In an alternative embodiment, the sliding body 21 may have a cylindrical structure, so that when the sliding body 21 of the male terminal 2 is inserted into the guiding cavity 111 of the female terminal 1, the direction of the sliding body 21 does not need to be adjusted, and thus the sliding body 21 is directly inserted into the guiding cavity 111 through the guiding hole 112, and after sliding, connection between corresponding signal electrodes can be achieved, which is more convenient to operate. Specifically, the connecting body 22 of the male terminal 2 may also be a cylindrical structure, the outer diameter of which is smaller than the outer diameter of the sliding body 21, and it may be made of a metal material.

In an alternative embodiment, referring to fig. 3, the second segment 33 includes a first straight segment 33a connected to the bent segment 31, and a rolled-back segment 33b connected to an end of the first straight segment 33a and rolled back and extending outward toward the first segment 32. By arranging the second section 33 to include the first flat section 33a and the rolled-back section 33b, the second section 33 forms an elastic deformation region of the spring 3 to ensure an elastic clamping force between the two second sections 33.

Of course, in an alternative embodiment, referring to fig. 4, the second section 33 may be a second flat section, that is, the second section 33 may be simplified to be a straight sheet-like structure, and the second section 33 may also be made to form an elastic deformation area of the elastic sheet 3, so as to ensure an elastic clamping force between the two second sections 33. In this embodiment, a clearance space with a preset length needs to be reserved between the end of the second section 33 and the inner wall of the housing 11, so that a space is reserved for the extension of the elastic sheet 3 toward the housing 11 side after the elastic sheet 3 is pressed.

In order to further improve the convenience of operation of the device, in an alternative embodiment, referring to fig. 3 and 4, and fig. 6 to 8, the end of the housing 11 facing away from the guide hole 112 is provided with a magnetic body 113, and the sliding body 21 is provided with a attracting magnet 23; alternatively, the case 11 is provided with a magnet at an end thereof facing away from the guide hole 112, and the slider 21 is provided with a magnetic body.

In the above embodiment, by respectively disposing the magnetic body 113 and the magnetic attracting body 23 on the housing 11 and the sliding body 21, when the male terminal 2 is close to the female terminal 1, the magnetic body 113 and the magnetic attracting body 23 can generate magnetic force to attract each other, so that the male terminal 2 can easily find the guide hole 112 of the female terminal 1, and the connection and locking between the male terminal 2 and the female terminal 1 can be conveniently realized, and the operation is more convenient. The attracting magnet 23 may be a magnetic body or a metal body.

In the connection locking device, the male terminal 2 and the female terminal 1 can complete connection guidance through the magnetic force between the magnetic body 113 and the attracting magnetic body 23 and the guiding function of the guide hole 112, and complete sliding locking by the guiding function of the guide cavity 111 and the elastic clamping force of the elastic sheet 3.

In an alternative embodiment, referring to fig. 6 and 8, when the magnetic body 113 is disposed at an end of the housing 11 away from the guide hole 112, the magnetic body 113 may be disposed at an end surface of the housing 11 opposite to the end of the guide hole 112; or, it may be disposed in the housing 11 and adjacent to the elastic sheet 3 far from the guiding hole 112. When the end of the housing 11 away from the guide hole 112 is provided with the attracting magnet, the attracting magnet may be arranged on the end surface of the housing 11 opposite to the end of the guide hole 112; or, it is disposed in the housing 11 and adjacent to the spring plate 3 far from the guiding hole 112, so that the female terminal 1 can guide the sliding body 21 of the male terminal 2 to be inserted into the guiding hole 112 through the magnetic body 113 or the attracting magnetic body. When the magnetic body 113 is disposed in the housing 11 and adjacent to the striking plate 3 far away from the guide hole 112, a first insulating layer 114 may be disposed between the magnetic body 113 and the striking plate 3, so that the striking plate 3 and the magnetic body 113 may be insulated and isolated by the first insulating layer 114.

In an alternative embodiment, referring to fig. 9 and 10, when the attracting magnet 23 or the magnetic body is provided on the sliding body 21, the attracting magnet 23 or the magnetic body may be provided in the sliding body 21 so that the female terminal 1 may guide the sliding body 21 of the male terminal 2 to be inserted into the guide hole 112 through the magnetic body 113 or the attracting magnet 23. When the magnetic body 113 is disposed on the sliding body 21, the second insulating layer 24 is disposed between the magnetic body 113 and the inner surfaces of the two ends of the sliding body 21, so that the metal layer 25 and the magnetic body 113 can be insulated and isolated by the second insulating layer 24.

It should be noted that, referring to fig. 10, the whole sliding body 21 may have a layered structure, that is, the attracting magnet 23 or the magnetic body may have an annular structure, the second insulating layer 24 also has an annular structure and is wrapped outside the attracting magnet 23 or the magnetic body, and the metal layer 25 may also have an annular structure and is laid on the upper and lower end surfaces of the attracting magnet 23 or the magnetic body.

In an alternative embodiment, referring to fig. 6, the guide cavity 111 may include a first cavity 111a and a second cavity 111b communicating with each other; the sliding body 21 slides in the first cavity 111a, and the spring plate 3 is arranged in the second cavity 111 b; two isolating bodies 115 are oppositely arranged in the shell 11 along the width direction of the guide hole 112, a first space is formed between the two isolating bodies 115, and a second space is formed between the upper end and the lower end of each isolating body 115 and the inner surface of the shell 11; the first space forms a first cavity 111a and the second space forms a second cavity 111 b. Specifically, a mounting hole may be disposed at a position of the second cavity 111b on the side of the housing 11, so that the elastic sheet 3 may be inserted into the second cavity 111b through the mounting hole, thereby implementing the installation of the elastic sheet 3 in the female terminal 1. Moreover, the side end of the elastic sheet 3 can be exposed through the mounting hole, so that the elastic sheet 3 can be conveniently dismounted and maintained.

In an alternative embodiment, referring to fig. 6 and 7, the spacer 115 may be a rectangular parallelepiped structure, and may be a solid structure. Alternatively, the spacer 115 may include two plate bodies (115a, 115b) disposed opposite to each other in the depth direction of the guide hole 112.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A connection locking device, comprising: a female terminal and a male terminal;

the female terminal comprises a shell, a guide cavity is arranged in the shell, and an elastic clamping part is arranged in the guide cavity;

the shell is provided with a guide hole communicated with the guide cavity, and the extension directions of the guide hole and the guide cavity are consistent;

the male terminal comprises a sliding body, wherein the sliding body can be inserted into the guide cavity through the guide hole and slide along the guide cavity until the sliding body is clamped on the elastic clamping part.

2. The connection locking device according to claim 1,

the elastic clamping part comprises two elastic sheets which are symmetrically arranged at two ends in the guide cavity along the depth direction of the guide cavity, the extending direction of the two elastic sheets is the same as the extending direction of the guide cavity, and the elastic sheets comprise a first section and a second section which are connected through a bending section;

the distance between the first sections of the two elastic sheets is greater than that between the second sections, the first sections are positioned at the head ends of the guide holes, and the second sections are positioned at the tail ends of the guide holes;

the thickness of the sliding body is larger than the distance between the two second sections and smaller than the distance between the two first sections;

the sliding body slides between the two elastic sheets until the sliding body is clamped between the two second sections.

3. The connection locking device according to claim 2,

the elastic sheet is laid on the inner end face of the shell;

a through hole corresponding to the guide hole is formed in the elastic sheet close to the guide hole, and the extending directions of the through hole and the guide hole are the same;

the through hole comprises a first part positioned on the first section and a second part positioned on the second section, and the width of the first part is matched with that of the sliding body and is larger than that of the second part;

the sliding body may be inserted into the guide cavity through the guide hole and the first portion.

4. The connection locking device according to claim 3,

the male terminal also comprises a connecting body connected with the sliding body, and the cross section of the male terminal is T-shaped;

the guide hole is matched with the outline shape of the through hole, and the outline shape of the part of the guide hole at the head end and the outline shape of the first part are matched with the outline shape of the sliding body.

5. The connection locking device according to claim 2,

the elastic sheet is a metal elastic sheet;

two ends of the sliding body are respectively provided with a metal layer, and the metal layers are abutted with the second section of the elastic sheet;

the sliding body is of a cylindrical structure;

the second section comprises a first flat section connected with the bent section and a rewinding section which is connected with the end part of the first flat section and extends towards the first section in an outward rewinding way; or, the second section is a second straight section.

6. The connection locking device according to claim 2,

a magnetic body is arranged at one end of the shell, which is far away from the guide hole, and a magnet attracting body is arranged on the sliding body; or the like, or, alternatively,

the end of the shell, which is far away from the guide hole, is provided with the attracting magnet, and the sliding body is provided with the magnetic body.

7. The connection locking device according to claim 6,

the magnetic body is arranged on the end face of one end of the shell, which is far away from the guide hole; or the elastic sheet is arranged in the shell and is adjacent to the elastic sheet far away from the guide hole; alternatively, the first and second electrodes may be,

the magnet attracting body is arranged on the end face of one end of the shell, which is far away from the guide hole; or the elastic sheet is arranged in the shell and is adjacent to the elastic sheet far away from the guide hole.

8. The connection locking device according to claim 6,

the magnetic body or the attracting magnet is provided in the sliding body.

9. The connection locking device according to claim 2,

the guide cavity comprises a first cavity and a second cavity which are communicated with each other;

the sliding body slides in the first cavity, and the elastic sheet is arranged in the second cavity;

two isolating bodies are oppositely arranged in the shell along the width direction of the guide hole, a first space is formed between the two isolating bodies, and a second space is formed between the upper end and the lower end of each isolating body and the inner surface of the shell;

the first space forms the first cavity and the second space forms the second cavity.

10. The connection locking device according to claim 1,

the shape of the shell includes, but is not limited to, a polygon shape, a cylinder shape, an elliptic cylinder shape, a sphere shape, and an egg shape.

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