CN111934146A

CN111934146A - Anti-loosening device

Info

Publication number: CN111934146A
Application number: CN202010793726.0A
Authority: CN
Inventors: 刘荣; 郭文芳; 李敬玉; 张一利; 薄明英; 郭祥
Original assignee: CRRC Datong Co Ltd
Current assignee: CRRC Datong Co Ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2020-11-13
Anticipated expiration: 2040-08-10
Also published as: CN111934146B

Abstract

The utility model provides a locking device belongs to locomotive reconnection technical field for the reconnection connector, the reconnection connector includes plug and socket, locking device includes: the first connecting piece comprises a first fixing part and a first clamping part arranged on the first fixing part, and the first fixing part is used for being connected with the plug; the second connecting piece comprises a second fixing part and a second clamping part arranged on the second fixing part, the second fixing part is used for being connected with the socket, and the second clamping part is used for being buckled with the first clamping part. The utility model provides a locking device is favorable to strengthening the steadiness that the plug is connected with the socket in the locomotive reconnection connector, has solved the reconnection connector pine and has taken off the problem, has ensured the security of locomotive operation, reduces artifical maintenance cost, improves economic benefits.

Description

Anti-loosening device

Technical Field

The utility model relates to a locomotive reconnection technical field, concretely relates to locking device for reconnection connector.

Background

The locomotive electric reconnection mainly comprises a reconnection connector, a reconnection cable, network communication and the like. The two ends of the reconnection cable are connected by the socket and the plug of the reconnection connector through threads (as shown in figure 1). Wherein, the socket is installed at the tip of locomotive, and the plug is connected with the reconnection line.

In the operation process of the rail locomotive, due to the influence of vibration and impact, the threads of the plug and the socket of the reconnection connector are loosened easily, and the contact pin in the plug is loosened, so that the electrical connection is failed, and faults are caused. At present, the connection condition of the plug and the socket of the reconnection connector can only be checked on site manually and periodically, and if the plug and the socket of the reconnection connector are loosened, the plug and the socket of the reconnection connector are screwed on site manually. However, periodic inspections increase both labor costs for the locomotive operator and time costs for locomotive maintenance.

Therefore, a loosening prevention device is needed to solve the problem that the locomotive reconnection connector is easy to loosen.

The above information disclosed in the background section is only for enhancement of understanding of the background of the present disclosure and therefore it may contain information that does not constitute prior art that is known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to provide a locking device to strengthen the steadiness that plug and socket are connected in the locomotive reconnection connector, solve the reconnection connector pine and take off the problem, ensure the security of locomotive operation, reduce artifical maintenance cost, improve economic benefits.

In order to achieve the purpose, the technical scheme adopted by the disclosure is as follows:

according to a first aspect of the present disclosure, there is provided a loosening prevention device for a reconnection connector including a plug and a socket, the loosening prevention device comprising:

the first connecting piece comprises a first fixing part and a first clamping part arranged on the first fixing part, and the first fixing part is used for being connected with the plug;

the second connecting piece comprises a second fixing part and a second clamping part arranged on the second fixing part, the second fixing part is used for being connected with the socket, and the second clamping part is used for being buckled with the first clamping part.

In an exemplary embodiment of the present disclosure, the first fixing part includes:

the fixing part body is provided with an accommodating cavity which is used for accommodating the plug;

the fastening piece is connected to the fixing part body and used for fixing the plug into the accommodating cavity.

In an exemplary embodiment of the present disclosure, the fixing portion body is an annular structure, and an annular wall of the annular structure encloses the accommodating cavity; the fastener includes first fastener and second fastener, first fastener with the second fastener all connect in the rampart of ring structure, be provided with the separation distance between first fastener with the second fastener, first fastener with the second fastener all is provided with the bolt hole, first fastener with the second fastener passes through bolted connection.

In an exemplary embodiment of the present disclosure, the fixing portion body is a non-closed ring structure provided with an opening, the first fastening member is connected to an annular wall of the non-closed ring structure and located at one side of the opening, and the second fastening member is connected to the annular wall of the non-closed ring structure and located at the other side of the opening.

In an exemplary embodiment of the disclosure, the first connecting piece further includes a protective shell, and the protective shell is sleeved at a position where the fixing part body is connected with the fastener.

In an exemplary embodiment of the disclosure, the protective shell includes a gasket and a rib disposed on two opposite sides of the gasket, and ends of two opposite sides of the gasket are respectively bent in a direction perpendicular to the gasket and extend to form the rib.

In an exemplary embodiment of the present disclosure, the first engaging portion includes:

one end of the fixed seat is connected to the first fixed part;

one end of the movable part is rotatably connected with the other end of the fixed seat;

and one end of the buckle is rotatably connected with the other end of the moving part, and the other end of the buckle is a free end.

In an exemplary embodiment of the disclosure, the first engaging portion further includes a retracting member disposed on the moving member, the moving member is provided with a retracting hole through the retracting member, the retracting member includes a retracting operation portion and a torsion spring connected to the retracting operation portion, the torsion spring is mounted in the retracting hole, one end of the torsion spring passes through the retracting hole and is connected to the retracting operation portion, the other end of the torsion spring is a free end, and the retracting operation portion is used for controlling the free end of the torsion spring to contact with or separate from the fixing seat.

In an exemplary embodiment of the disclosure, the buckle is of a U-shaped structure, an opening end of the U-shaped structure is rotatably connected with the movable member, and a closed end of the U-shaped structure is bent to form a buckling end.

In an exemplary embodiment of the disclosure, an operating part is disposed at one end of the movable part connected with the buckle.

In an exemplary embodiment of the present disclosure, the second fixing portion includes a mounting seat and a mounting rod, the mounting seat is provided with a through hole into which the mounting rod is inserted, and the mounting seat is detachably connected to the socket through the mounting rod.

In an exemplary embodiment of the disclosure, the second engaging portion is a hook, and the hook is fixedly connected to the mounting seat.

The utility model provides a locking device, first fixed part and the plug connection in the first connecting piece, the second fixed part and the socket in the second connecting piece are connected, and first connecting piece and second connecting piece are through first block portion and second block portion lock to realize the firm connection of plug and socket. In addition, the first connecting piece is connected to the plug, and the second connecting piece is connected to the socket, so that the influence of vibration and impact on the reconnection connector in the operation process of the locomotive can be reduced, and the stability of the plug 10 and the socket in the reconnection connector can be maintained. The utility model provides a locking device is favorable to strengthening the steadiness that the plug is connected with the socket in the locomotive reconnection connector, has solved the reconnection connector pine and has taken off the problem, has ensured the security of locomotive operation, reduces artifical maintenance cost, improves economic benefits.

Drawings

The above and other features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

FIG. 1 is a schematic view of a locomotive reconnection connector;

fig. 2 is a schematic structural view of a locking device mounted to a header connector in an exemplary embodiment of the disclosure;

FIG. 3 is a schematic view of another angle configuration of the locking device mounted to the header connector in an exemplary embodiment of the disclosure;

FIG. 4 is a schematic structural view of a loosening prevention device in an exemplary embodiment of the present disclosure;

FIG. 5 is a schematic view of another angular configuration of the anti-loosening apparatus in an exemplary embodiment of the present disclosure;

FIG. 6 is a schematic view of another angular configuration of the anti-loosening apparatus in an exemplary embodiment of the present disclosure;

fig. 7 is a schematic structural view of a detachment structure of the anti-loosening device in an exemplary embodiment of the disclosure;

FIG. 8 is a schematic view of another angle structure of the split structure of the anti-loosening device in the exemplary embodiment of the disclosure;

FIG. 9 is a schematic view of a first connector structure in an exemplary embodiment of the present disclosure;

FIG. 10 is a schematic view of a first connector configuration in another exemplary embodiment of the present disclosure;

FIG. 11 is a schematic view of a second connector configuration in an exemplary embodiment of the present disclosure;

fig. 12 is an enlarged view of portion a of the exemplary embodiment of fig. 5 of the present disclosure.

The reference numerals of the main elements in the figures are explained as follows:

the plug 10, the socket 20, the socket base 21, the first connecting member 100, the first fixing portion 110, the fixing portion body 111, the opening c, the accommodating cavity 1111, the fastener 112, the first fastener 1121, the second fastener 1122, the bolt a, the nut b, the protective shell 113, the gasket 1131, the protruding rib 1132, the first engaging portion 120, the fixed seat 121, the movable member 122, the folding hole 1221, the buckle 123, the locking end 1231, the operating member 124, the folding operating portion 125, the second connecting member 200, the second fixing portion 210, the mounting seat 211, the mounting rod 212, and the second engaging portion 220.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure.

In the drawings, the thickness of regions and layers may be exaggerated for clarity. The same reference numerals denote the same or similar structures in the drawings, and thus detailed descriptions thereof will be omitted.

The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the embodiments of the disclosure can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring the primary technical ideas of the disclosure.

When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.

The terms "a," "an," "the," and the like are used to denote the presence of one or more elements/components/parts; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc. The terms "first" and "second", etc. are used merely as labels, and are not limiting on the number of their objects.

At present, in urban rail transit, two locomotives with different wiring are grouped, namely, the locomotive is connected with the locomotive through a reconnection connector, so that the locomotive and the locomotive jointly perform traction work under the control of the locomotive. After the lead locomotive and the reconnection locomotive are connected through the reconnection connector, signals of the two trains are communicated through a contact pin in the reconnection connector, and traction is achieved.

In the related art, as shown in fig. 1, a locomotive reconnection connector includes a socket 20 mounted at an end of a locomotive and a plug 10 connected to the socket 20. The socket 20 comprises a socket body and an external thread arranged on the socket body 20, the plug 10 comprises a plug body and an internal thread arranged on the plug body, and the socket 20 is in threaded connection with the plug 10. In the running process of the rail locomotive, the socket 20 and the plug 10 are easy to loosen due to the influence of vibration and impact, so that the pin inside the plug 10 is loosened, the electrical connection is failed, and safety accidents are caused.

As shown in fig. 2 to 4, the present disclosure provides a loosening prevention device for a reconnection connector including a socket 20 and a plug 10, the loosening prevention device including: the first connector 100, the first connector 100 includes a first fixing portion 110 and a first engaging portion 120 disposed on the first fixing portion 110, the first fixing portion 110 is used for connecting with the plug 10; the second connector 200, the second connector 200 includes a second fixing portion 210 and a second engaging portion 220 disposed on the second fixing portion 210, the second fixing portion 210 is used for connecting with the socket 20, and the second engaging portion 220 is used for engaging with the first engaging portion 120.

In the anti-loosening device provided by the present disclosure, the first fixing portion 110 in the first connecting piece 100 is connected with the plug 10, the second fixing portion 210 in the second connecting piece 200 is connected with the socket 20, and the first connecting piece 100 and the second connecting piece 200 are fastened by the first fastening portion 120 and the second fastening portion 220, so that the stable connection between the plug 10 and the socket 20 is realized. In addition, the first connector 100 is connected to the plug 10, and the second connector 200 is connected to the receptacle 20, so that the influence of vibration and impact on the reconnection connectors during the operation of the locomotive can be reduced, and the stability of the plug 10 and the receptacle 20 in the reconnection connectors can be maintained. The anti-loosening device provided by the disclosure is favorable for strengthening the stability of the connection between the plug 10 and the socket 20 in the locomotive reconnection connector, solves the problem of loosening and loosening of the reconnection connector, ensures the safety of locomotive operation, reduces the manual maintenance cost, and improves the economic benefit.

Next, the respective components of the loosening prevention device will be described in detail with reference to the accompanying drawings.

As shown in fig. 4 to 6, the first connector 100 includes a first fixing portion 110 and a first engaging portion 120 disposed on the first fixing portion 110, and the first fixing portion 110 is used for connecting with the plug 10. The first fixing portion 110 includes a fixing portion body 111 and a fastening member 112, the fixing portion body 111 is provided with a receiving cavity 1111, and the receiving cavity 1111 is used for receiving the plug 10. The fastening member 112 is connected to the fixing portion body 111, and the fastening member 112 is used for fixing the plug 10 in the accommodating cavity 1111. In the locomotive reconnection connector, the plug 10 is generally a cylinder structure with a certain diameter, in the present disclosure, the size of the receiving cavity 1111 is specifically designed according to the shape of the plug 10, if the plug 10 is a cylinder structure, the receiving cavity 1111 is configured as a receiving space with a circular cross section, that is, the shape and size of the receiving cavity 1111 are determined by the shape and size of the plug 10. In addition, for convenience of installation, the receiving cavity 1111 may be slightly larger than the external size of the plug 10, and if the receiving cavity 1111 is set to be circular, the diameter of the receiving cavity 1111 is slightly larger than the external diameter of the plug 10. In the exemplary embodiment of the disclosure, the fixing portion body 111 is made of stainless steel, and the size of the receiving cavity 1111 in the fixing portion body 111 can be adjusted to a certain extent by an external force. Of course, the fixing body 111 may be made of other materials, such as metal, hard plastic, and other types of alloys. The fastening member 112 is connected to the fixing portion body 111, and the fastening member 112 provides an external force to the fixing portion body 111, so that the plug 10 can be stably fixed in the accommodating cavity 1111 by changing the size of the accommodating cavity 1111 or increasing the friction force between the fixing portion body 111 and the plug 10.

As shown in fig. 4 to 10, the fixing portion body 111 has a cylindrical structure with a circular hole penetrating through the inside, and the specific outer shape of the cylindrical structure is not limited, and for example, the outer shape of the radial cross section may be a circular, oval, square, rectangular, regular polygon, irregular polygon, or the like. In an embodiment of the present disclosure, the fixing portion body 111 is a cylindrical structure with a circular hole penetrating through the inside, that is, an annular structure, an annular wall of the annular structure is made of a stainless steel material, and the annular wall of the annular structure encloses the accommodating cavity 1111. The ring structure may be a closed ring structure or a non-closed ring structure. In the embodiment shown in fig. 9, the fixing portion body 111 is a closed ring structure, and since the ring wall of the closed ring structure is made of stainless steel, the size of the receiving cavity 1111 surrounded by the ring wall can be properly adjusted under a certain external force. The space of the receiving cavity 1111 can be properly reduced under the fastening action of the fastening member 112, so as to stably fix the plug 10 in the receiving cavity 1111. In the embodiment shown in fig. 10, the fixing portion body 111 is a non-closed ring structure having an opening c, and the size of the receiving cavity 1111 can be changed by adjusting the size of the opening c under the action of an external force. Such as by enlarging or reducing the size of the opening c upon tightening of the fastener 112 to effect removal or securement of the plug 10.

As shown in fig. 5, 9 and 10, in the exemplary embodiment of the present disclosure, the fastening member 112 includes a first fastening member 1121 and a second fastening member 1122, the first fastening member 1121 and the second fastening member 1122 are both connected to the fixing portion body 111, and a separation distance is provided between the first fastening member 1121 and the second fastening member 1122. Under the action of external force, the size of the receiving cavity 1111 is changed by adjusting the distance between the first fastening member 1121 and the second fastening member 1122, so as to achieve the removal or fixation of the plug 10. In the embodiment shown in fig. 9, the first fastening member 1121 and the second fastening member 1122 are connected to the annular wall of the annular structure, the first fastening member 1121 and the second fastening member 1122 are provided with bolt holes, and the first fastening member 1121 and the second fastening member 1122 are connected by bolts a. In practical applications, the distance between the first fastening member 1121 and the second fastening member 1122 can be adjusted by screwing the bolt a. In particular, it can be used in conjunction with the nut b to enhance the stability of the fixation of the plug 10. In the embodiment shown in FIG. 10, a first fastening member 1121 is attached to the annular wall of the non-closed annular structure on one side of the opening c, and a second fastening member 1122 is attached to the annular wall of the non-closed annular structure on the other side of the opening c. Also, in the embodiment shown in fig. 10, the first fastening member 1121 and the second fastening member 1122 are each provided with a bolt hole, and the first fastening member 1121 and the second fastening member 1122 are connected by a bolt a. Removal or fixation of the plug 10 is achieved by screwing the bolts a to adjust the spacing distance between the first and

second fastening members

1121, 1122 while changing the size of the non-closed loop structure opening c.

As shown in fig. 6, in the exemplary embodiment of the present disclosure, the first connecting member 100 further includes a protective shell 113, and the protective shell 113 is sleeved on a position where the fastening member 112 is connected to the fixing portion body 111. The protective shell 113 is used for protecting the plug 10 in the fixing part body 111 and preventing the plug 10 from being pressed and damaged due to the excessive acting force of the fastening part 112. In an exemplary embodiment of the present disclosure, the protective case 113 includes a gasket 1131 and ribs 1132 disposed at opposite sides of the gasket 1131. In the embodiment shown in fig. 6, the pad 1131 is an arc-shaped pad, and the pad 1131 is installed inside the fixing portion body 111, that is, the pad 1131 is installed on a side of the fixing portion body 111 where the receiving cavity 1111 is disposed. Specifically, when the fixing portion body 111 is of a ring structure, the gasket 1131 is mounted on the inner side of the ring wall of the ring structure. Opposite ends of the gasket 1131 are bent and extended in a direction perpendicular to the gasket 1131 to form ribs 1132. The protective case 113 is engaged with the fixing unit body 111 via the rib 1132. Of course, the protective shell 113 may be mounted on the fixing body 111 by other means, such as adhesion, welding, bolt-a connection, etc.

As shown in fig. 7 to 10, the first engaging portion 120 includes a fixed seat 121, a movable member 122 and a latch 123. One end of the fixing base 121 is connected to the first fixing portion 110, one end of the movable member 122 is rotatably connected to the other end of the fixing base 121, one end of the buckle 123 is rotatably connected to the other end of the movable member 122, and the other end of the buckle 123 is a free end and is used for completing the clamping with the second clamping portion 220. The first engaging portion 120 is connected to the second engaging portion 220 by a clip 123. In an exemplary embodiment of the present disclosure, the number of the first engaging portions 120 is at least one. In the embodiment shown in fig. 7 to 10, the number of the first engaging portions 120 is two, and the two first engaging portions are respectively connected to two opposite sides of the first fixing portion 110. Of course, in addition, the number of the first engaging portions 120 may be multiple, so as to achieve a more stable connection with the interconnection connector. The fixing base 121 can be fixed to the first fixing portion 110 by welding, bolting, and the like, and specifically can be fixed to the fixing portion body 111 of the first fixing portion 110. The movable member 122 is connected between the fixed seat 121 and the latch 123, the movable member 122 rotates to drive the latch 123 to rotate, and meanwhile, the latch 123 can rotate around the movable member 122 to increase the flexibility of the movement of the latch 123. In an exemplary embodiment of the present disclosure, an operation element 124 is disposed at an end of the movable element 122 connected to the buckle 123, and the operation element 124 is convenient for operating the movable element 122, and adjusting a position of the buckle 123 to complete the buckling or separating of the buckle 123 and the second buckling portion 220. The operation member 124 may be a polygonal plate shape, a cylindrical handle shape, or the like, and is not particularly limited. As shown in fig. 7 to 10, an end of one end of the movable member 122 connected to the catch 123 extends outward to form an operation member 124, and the operation member 124 is a plate.

As shown in fig. 5 and 12, in an exemplary embodiment of the disclosure, the first engaging portion 120 further includes a folding member, and the folding member is used for folding the movable member 122 and the fixed seat 121. As shown in fig. 12, in the embodiment, the folding device is disposed on the movable member 122, the folding device includes a folding operation portion 125 and a torsion spring (not shown) connected to the folding operation portion 125, and the folding operation portion 125 is operated to control the free end of the torsion spring to apply an elastic force to the fixed seat 121, so as to fold or unfold the movable member 122 and the fixed seat 121. The movable member 122 is provided with a retracting hole 1221, the torsion spring is installed in the retracting hole 1221, one end of the torsion spring is a free end, the other end of the torsion spring passes through the retracting hole 1221 to be connected with the retracting operation portion 125, and the contact or separation of the free end of the torsion spring and the fixed seat 121 is controlled by pressing the retracting operation portion 125, so that the movable member 122 and the fixed seat 121 are folded or opened.

As shown in fig. 5, 8 and 12, the buckle 123 is a U-shaped structure, an open end of the U-shaped structure is rotatably connected to the movable member 122, and a closed end of the U-shaped structure is bent to form a buckling end 1231, specifically, in fig. 8, the closed end of the U-shaped structure is bent to a direction away from the second engaging portion 220 to form the buckling end 1231. Further, the included angle between the connection position of the opening end and the fastening end 1231 is an obtuse angle. It should be noted that this embodiment is only a preferred embodiment, and the buckle 123 has only one end rotatably connected to the movable member 122 and the other end capable of completing the engagement with the second engaging portion 220, and the specific shape may not be limited. Those skilled in the art can arrange the snap 123 in various shapes according to the theoretical basis.

As shown in fig. 11, the second connector 200 includes a second fixing portion 210 and a second engaging portion 220 disposed on the second fixing portion 210, the second fixing portion 210 is used for connecting with the socket 20, and the second engaging portion 220 is used for engaging with the first engaging portion 120. As shown in fig. 1, in the related art, the socket base 21 of the reconnection connector is a square base having four through holes. The second fixing portion 210 includes a mounting seat 211 and a mounting rod 212, the mounting seat 211 is provided with a through hole for the mounting rod 212 to be inserted into, and the mounting seat 211 is detachably connected to the socket 20 through the mounting rod 212. In the exemplary embodiment of the present disclosure, the mounting seat 211 is provided with a bolt hole, the mounting rod 212 is a bolt, and the mounting seat 211 is connected to the socket 20 by the bolt. Of course, the mount 211 may be connected to the socket 20 by rivets or the like.

As shown in fig. 7, 8 and 11, the second engaging portion 220 is a hook, and the hook is fixedly connected to the mounting base 211. In an exemplary embodiment of the present disclosure, the hook has a J-shaped structure. The number of the second engaging portions 220 is equal to the number of the first engaging portions 120. In the embodiment shown in fig. 7 and 8, the number of the first engaging portions 120 and the second engaging portions 220 is two. In actual design, the position of the first engaging portion 120 on the first fixing portion 110 corresponds to the position of the through hole on the diagonal line on the socket base 21.

As shown in fig. 8, in the anti-loosening device provided in the present disclosure, when the buckle 123 is placed in the hook, the pressing operation element 124 moves toward the fixed seat 121, and when the movable element 122 is located in the vertical state, the first engaging portion 120 and the second engaging portion 220 are in the engaging state, that is, the first connecting element 100 and the second connecting element 200 are stably connected, specifically, the connection state is as shown in fig. 4 to fig. 6, and meanwhile, the socket 20 and the plug 10 of the reconnection connector are also stably connected. In addition, when the movable member 122 is in the vertical state, the above-mentioned receiving member can play a certain fixed role to the movable member 122, so as to prevent the movable member 122 from automatically falling off. When the socket 20 and the plug 10 need to be separated, or the first connecting piece 100 and the second connecting piece 200 need to be detached, the pulling operation piece 124 is far away from the fixed seat 121, when the movable piece 122 and the fixed seat 121 form an angle of about 45 degrees, the buckle 123 can be separated from the hook, the first connecting piece 100 and the second connecting piece 200 are separated, and then the socket 20 and the plug 10 can also be separated.

It is to be understood that the disclosure is not limited in its application to the details of construction and the arrangements of the components set forth in the specification. The present disclosure is capable of other embodiments and of being practiced and carried out in various ways. The foregoing variations and modifications are within the scope of the present disclosure. It should be understood that the disclosure disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute various alternative aspects of the present disclosure. The embodiments of this specification illustrate the best mode known for carrying out the disclosure and will enable those skilled in the art to utilize the disclosure.

Claims

1. A retainer device for a multiconnector including a plug and a socket, the retainer device comprising:

2. The anti-loosening device according to claim 1, wherein the first fixing portion comprises:

3. The anti-loosening device according to claim 2, wherein the fixing portion body is of an annular structure, and an annular wall of the annular structure encloses the accommodating cavity; the fastener includes first fastener and second fastener, first fastener with the second fastener all connect in the rampart of ring structure, be provided with the separation distance between first fastener with the second fastener, first fastener with the second fastener all is provided with the bolt hole, first fastener with the second fastener passes through bolted connection.

4. The anti-loosening device according to claim 3, wherein the fixing portion body is a non-closed annular structure provided with an opening, the first fastening member is connected to an annular wall of the non-closed annular structure and located on one side of the opening, and the second fastening member is connected to the annular wall of the non-closed annular structure and located on the other side of the opening.

5. The anti-loosening device according to claim 2, wherein the first connecting member further comprises a protective shell, and the protective shell is sleeved at a position where the fastening member is connected to the fixing portion body.

6. The loosening prevention device according to claim 1, wherein the first engaging portion includes:

one end of the fixed seat is connected to the first fixed part;

7. The anti-loosening device according to claim 6, wherein the buckle is of a U-shaped structure, the opening end of the U-shaped structure is rotatably connected with the movable member, and the closed end of the U-shaped structure is bent to form a buckling end.

8. The anti-loosening device according to claim 6, wherein an operating member is provided at one end of the movable member connected to the snap.

9. The anti-loosening device according to claim 1, wherein the second fixing portion comprises a mounting seat and a mounting rod, the mounting seat is provided with a through hole into which the mounting rod is inserted, and the mounting seat is detachably connected to the socket through the mounting rod.

10. The anti-loosening device as claimed in claim 9, wherein the second engaging portion is a hook, and the hook is fixedly connected to the mounting seat.