CN217720060U

CN217720060U - Cover and cover locking mechanism

Info

Publication number: CN217720060U
Application number: CN202221969908.XU
Authority: CN
Inventors: 唐继; 蒋芳芳; 岳明旗; 马波; 李圣强
Original assignee: Sichuan Huafeng Technology Co Ltd
Current assignee: Sichuan Huafeng Technology Co Ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-01
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a lid, both sides board interval sets up, and the bottom of both sides board is passed through the bottom plate and is connected, the preceding tip of both sides board passes through the panel and connects, the panel is the arc structure, on the horizontal projection face, the junction at panel and curb plate top is located the rear of the junction of panel and curb plate bottom, and the panel, form a cavity between bottom plate and the both sides board, the one side of keeping away from the panel on the curb plate is provided with the spiral arm, the contact wire has on the panel, on the plane of projection of curb plate, the contact wire is located the front end below of the rotatory axle center of spiral arm, a locking closure mechanism is still disclosed. The utility model has the advantages that: the front end of the box body can be covered under the action of the torsion spring when external force is not applied, and after the cover is applied to the external force, the cover can turn over under the action of the external force and open the front end of the box body.

Description

Cover and locking mechanism

Technical Field

The utility model relates to an electric coupling connector, especially a lid and locking closure mechanism.

Background

The electric coupler connector is widely applied to the field of rail transit such as motor cars, subways and the like, and mainly has the function of connecting and conducting electric lines of all locomotives through multi-core cables to realize the reconnection operation of the locomotives. The electric coupler connector is mainly characterized by a large number of cores, high precision requirement and large impact force and longitudinal force bearing during connection.

The existing electric coupler connector has poor alignment (low matching precision) during connection, high precision required by manufacturing and processing and high manufacturing cost. In the running process of a locomotive, the anti-vibration impact capacity is poor, the current instantaneous interruption time is long, the connection stability and reliability are low, and in addition, when the cover is opened, the cover needs to be manually opened, so that the connection of the coupler connector is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a lid and locking closure mechanism.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a cover, comprising a base plate, panel and both sides board, the both sides board interval sets up, and the bottom of both sides board passes through the bottom plate and connects, the front end portion of both sides board passes through the panel and connects, the panel is the arc structure, on the horizontal projection face, the junction at panel and curb plate top is located the rear of the junction of panel and curb plate bottom, and the panel, form a cavity between bottom plate and the both sides board, one side of keeping away from the panel on the curb plate is provided with the spiral arm, the contact wire has on the panel, on the plane of projection of curb plate, the contact wire is located the front end below of the rotatory axle center of spiral arm.

Optionally, the top of curb plate is last horizontal plane, goes up the level and passes through the smooth joining of last cambered surface and panel, and the department of joining between last cambered surface and the last horizontal plane is the high point.

Optionally, the panel and the bottom plate are smoothly connected through a lower arc surface, and the connection position of the lower arc surface and the panel is a low point.

Optionally, the bottom of the side plate is a lower horizontal plane, and the bottom of the bottom plate is flush with the bottom of the side plate.

Optionally, a limiting notch is formed between the upper surface of the radial arm and the rear side wall of the side plate.

The utility model provides a locking closure mechanism, the power distribution box comprises a box body, the torsional spring, gag lever post and above-mentioned lid, the axial is provided with the installation ear on the spiral arm of lid, the rotatable installation of installation ear is on the lateral wall that the box corresponds, and the cover is equipped with the torsional spring on the installation ear, still install the gag lever post on the lateral wall of box, the one end of torsional spring is installed on the installation ear, and the other end of torsional spring is installed on the gag lever post, the spiral arm of lid under the torsion effect of torsional spring with the gag lever post butt, on the plane of projection of lateral wall, the contact wire is located the front end below in installation ear axle center.

Optionally, a through hole is formed in the mounting lug, a rotating shaft is sleeved in the through hole, and the rotating shaft is mounted on the side wall of the box body.

Optionally, a stepped hole is axially formed in the rotating shaft, a large hole of the stepped hole is located on the outer side of the small hole, the rotating shaft is mounted on the side wall of the box body through a locking screw, and the head of the locking screw is located in the large hole of the stepped hole.

Optionally, the rotating shaft is a step shaft, a large shaft of the step shaft is located on the inner side of a small shaft of the step shaft, and the mounting lug is sleeved on the small shaft of the step shaft.

The utility model has the advantages of it is following: the utility model discloses a locking closure mechanism can cover the front end of box under the effect of torsional spring when not receiving external force, and after the lid received external force, the lid can overturn under the effect of external force to open the front end of box, consequently, when it used on electric coupler connector, after two lid collisions, two lids can rotate around the pivot that corresponds, realize opening of box front end, thereby make electric coupler connector connect conveniently.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic view of the installation of the rotating shaft;

FIG. 4 is a first schematic structural view of the cover;

FIG. 5 is a second schematic view of the lid;

FIG. 6 is a third schematic view of the lid;

in the figure, 100-cover, 101-side plate, 102-bottom plate, 103-panel, 104-mounting lug, 105-swing arm, 106-limiting notch, 107-upper horizontal plane, 108-high point, 109-lower cambered surface, 110-low point, 111-lower horizontal plane, 112-upper cambered surface, 10-box body, 20-locking screw, 30-torsion spring, 40-limiting rod, 50-rotating shaft and 51-step hole.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, or the directions or positional relationships that the skilled person usually understand, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.

As shown in fig. 1 and 2, a locking mechanism comprises a box 10, a torsion spring 30, a limiting rod 40 and a cover 100, further, as shown in fig. 4, 5 and 6, the cover 100 comprises a bottom plate 102, a front plate 103 and two side plates 101, the two side plates 101 are arranged at intervals, the bottoms of the two side plates 101 are connected through the bottom plate 102, the front ends of the two side plates 101 are connected through the front plate 103, the front plate 103 is in an arc structure, the joint between the front plate 103 and the top of the side plate 101 is located behind the joint between the front plate 103 and the bottom of the side plate 101 on a horizontal projection plane, preferably, the front plate 103 is in an arc structure, further, a cavity is formed between the front plate 103, the bottom plate 102 and the two side plates 101, a rotating arm 105 is arranged on one side of the side plate 101 far from the front plate 103, a contact line is arranged on the front plate 103, and a contact line is arranged on the projection plane of the side plate 101, in this embodiment, the locking mechanism is mainly used on a coupler, and when the two locking structures are arranged in pairs and after the two locking structures are arranged, the contact line of the two arc structures 100, therefore, the contact area of the front end of the cover 100 is located under the contact axis of the contact with the cover 100, and the contact line is the contact with the cover 100, and the contact area of the cover 100, therefore, the cover 100 is the contact line is the contact area of the cover 100, when the cover 100, the cover 100 is under the contact axis, the contact area of the contact with the contact line is the contact axis, and the contact.

In this embodiment, a mounting lug 104 is axially disposed on a rotating arm 105 of the cover 100, the mounting lug 104 is rotatably mounted on a corresponding side wall of the box 10, a torsion spring 30 is sleeved on the mounting lug 104, a limiting rod 40 is further mounted on the side wall of the box 10, one end of the torsion spring 30 is mounted on the mounting lug 104, the other end of the torsion spring 30 is mounted on the limiting rod 40, the rotating arm 105 of the cover 100 abuts against the limiting rod 40 under the torsion force of the torsion spring 30, on the projection surface of the side wall, a contact line is located below the front end of the axis of the mounting lug 104, further, as shown in fig. 3, a through hole is disposed on the mounting lug 104, a rotating shaft 50 is sleeved in the through hole, the rotating shaft 50 is mounted on the side wall of the box 10, a stepped hole 51 is axially disposed on the rotating shaft 50, a large hole of the stepped hole 51 is located outside the small hole, the rotating shaft 50 is mounted on the side wall of the box 10 through a locking screw 20, and the head of the locking screw 20 is located in the large hole of the stepped hole 51, the rotating shaft 50 is a stepped shaft, the large shaft of the stepped shaft is located inside the small shaft of the stepped shaft, the mounting lug 104 is sleeved on the small shaft of the stepped shaft, after the cover 100, the box body 10 and the torsion spring 30 are assembled, the cover 100 covers the front end of the box body 10 under the action of the torsion spring 30, that is, the cover 100 covers the front end of the box body 10 under the action of the torsion spring 30 for a long time, when in use, after the two covers 100 are contacted, the cover 100 is opened under the action of external force, at this time, the cover 100 rotates around the rotating shaft 50, further, the top of the side plate 101 is an upper horizontal surface 107, the upper horizontal surface 107 is smoothly connected with the panel 103 through an upper arc surface 112, and the joint between the upper arc surface 112 and the upper horizontal surface 107 is a high point 108, preferably, the upper arc surface 112 is an arc surface, and after the cover 100 rotates, when the contact line of the cover coincides with the high point, because of the arrangement of the upper horizontal surfaces 107, an included angle is formed between the two upper horizontal surfaces 107, so as to ensure the reliability of the rotation of the cover 100, further, the panel 103 is smoothly connected with the bottom plate 102 through the lower arc surface 109, and the connection position of the lower arc surface 109 and the panel 103 is a low point 110, preferably, the lower arc surface is also an arc surface, and when the two covers 100 are just contacted, the contact line is between the high point 108 and the low point 110, preferably, when the two covers 100 are just contacted, the low point 110 is overlapped with the contact line.

In this embodiment, the bottom of the side plate 101 is a lower horizontal plane 111, the bottom of the bottom plate 102 is flush with the bottom of the side plate 101, and a limiting notch 106 is formed between the upper surface of the radial arm 105 and the rear side wall of the side plate 101, preferably, the limiting notch 106 is an arc notch, when the cover 100 covers the front end of the box body 10 under the action of the torsion spring 30, at this time, after the limiting rod 40 contacts the limiting notch 106, at this time, the cover 100 just covers the front end of the box body 10.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A lid, characterized by: including bottom plate, panel and both sides board, two the curb plate interval sets up, and two the bottom of curb plate passes through the bottom plate is connected, two the front end portion of curb plate passes through the panel is connected, the panel is the arc structure, on the horizontal projection face, the panel with the junction at curb plate top is located the panel with the rear of the junction of curb plate bottom, just the panel bottom and two form a cavity between the curb plate, keep away from on the curb plate one side of panel is provided with the spiral arm, have the contact wire on the panel on the plane of projection of curb plate, the contact wire is located the rotatory front end below of axle center of spiral arm.

2. A cap according to claim 1, wherein: the top of the side plate is an upper horizontal plane, the upper horizontal plane is smoothly connected with the panel through an upper cambered surface, and the joint between the upper cambered surface and the upper horizontal plane is a high point.

3. A cap according to claim 1, wherein: the panel and the bottom plate are smoothly connected through a lower cambered surface, and the connection position of the lower cambered surface and the panel is a low point.

4. A cap according to any one of claims 1 to 3, wherein: the bottom of the side plate is a lower horizontal plane, and the bottom of the bottom plate is flush with the bottom of the side plate.

5. A lid as claimed in claim 4, wherein: and a limiting notch is formed between the upper surface of the spiral arm and the rear side wall of the side plate.

6. A locking closure mechanism which characterized in that: the cover comprises a box body, a torsion spring, a limiting rod and the cover as claimed in any one of claims 1 to 5, wherein a mounting lug is axially arranged on a rotary arm of the cover, the mounting lug is rotatably mounted on a corresponding side wall of the box body, the torsion spring is sleeved on the mounting lug, the limiting rod is further mounted on the side wall of the box body, one end of the torsion spring is mounted on the mounting lug, the other end of the torsion spring is mounted on the limiting rod, the rotary arm of the cover is abutted against the limiting rod under the action of the torsion force of the torsion spring, and on a projection surface of the side wall, the contact line is located below the front end of the axis of the mounting lug.

7. The locking mechanism of claim 6, wherein: the mounting lug is provided with a through hole, a rotating shaft is sleeved in the through hole, and the rotating shaft is mounted on the side wall of the box body.

8. A locking mechanism as claimed in claim 7, wherein: the rotating shaft is axially provided with a stepped hole, a large hole of the stepped hole is positioned on the outer side of the small hole, the rotating shaft is installed on the side wall of the box body through a locking screw, and the head of the locking screw is positioned in the large hole of the stepped hole.

9. A locking mechanism as claimed in claim 7 or 8, wherein: the pivot is the step axle, the major axis of step axle is located the staff inboard of step axle, the installation ear suit is in on the staff of step axle.