阅读说明：本技术 一种可实现自锁的连接机构 (Connecting mechanism capable of realizing self-locking ) 是由 吴杰 李宝瑞 李兴 李铮 马一丹 张文龙 于 2020-05-29 设计创作，主要内容包括：本发明公开了一种可实现自锁的连接机构,解决了现有技术中现有连接机构无法满足第一装置与第二装置连接要求的问题,具有结构简单,操作方便,安全可靠性高的有益效果,具体方案如下：一种可实现自锁的连接机构,包括第一元件和至少一处第二元件,第二元件具有同第一装置活动连接的第一端,第二元件第二端设置可插入第二装置的连接件,且第二元件第二端可升降,至少一处第二元件具有突起部,第一元件设于该第二元件的侧部且与第一装置活动连接,第一元件开有用于容纳突起部的导向孔,导向孔的一侧端部超过第一元件和第一装置的连接处。(The invention discloses a connecting mechanism capable of realizing self-locking, which solves the problem that the existing connecting mechanism in the prior art cannot meet the connection requirement of a first device and a second device, has the beneficial effects of simple structure, convenient operation and high safety and reliability, and has the following specific scheme: a connecting mechanism capable of realizing self-locking comprises a first element and at least one second element, wherein the second element is provided with a first end movably connected with a first device, a second end of the second element is provided with a connecting piece capable of being inserted into a second device, the second end of the second element can be lifted, the at least one second element is provided with a protruding portion, the first element is arranged on the lateral portion of the second element and movably connected with the first device, a guide hole used for accommodating the protruding portion is formed in the first element, and one side end portion of the guide hole exceeds the connecting portion of the first element and the first device.)

1. The connecting mechanism capable of realizing self-locking is characterized by comprising a first element and at least one second element, wherein the second element is provided with a first end movably connected with a first device, the second end of the second element is provided with a connecting piece capable of being inserted into a second device, the second end of the second element can be lifted, the at least one second element is provided with a protruding part, the first element is arranged on the side part of the second element and movably connected with the first device, the first element is provided with a guide hole for accommodating the protruding part, and one side end part of the guide hole exceeds the joint of the first element and the first device.

2. The connecting mechanism capable of realizing self-locking according to claim 1, wherein the first element comprises a self-locking handle, the self-locking handle is located on a side portion of the second element, one end of the self-locking handle is movably connected with the first device, the other end of the self-locking handle is a free end, and a guide hole is formed in one side of the self-locking handle, which is far away from the free end, so that the self-locking handle is an eccentric structural member.

3. The self-locking connecting mechanism as claimed in claim 1 or 2, wherein the guiding hole is V-shaped, the guiding hole is located above the connection between the first element and the first device, the length of one side of the guiding hole is greater than that of the other side of the guiding hole, and the width of the guiding hole gradually becomes wider and then becomes narrower along the one side of the guiding hole to the other side of the guiding hole.

4. The connecting mechanism capable of realizing self-locking according to claim 2 or 3, further comprising a handle clamping seat mounted on the first device, wherein the handle clamping seat is arranged close to the free end of the self-locking handle, and the handle clamping seat is provided with a clamping groove for supporting the self-locking handle.

5. A self-locking coupling mechanism according to claim 1 or 3, wherein the shorter side of the guide hole is located adjacent to the junction of the first member and the first device.

6. The connecting mechanism capable of realizing self-locking according to claim 1 or 3, wherein the second element is arranged at two positions, the two positions are arranged up and down, the upper and lower second elements are connected with the lifting component, and the distance between the lifting component and the first end of the second element is greater than the distance between the lifting component and the second end of the second element;

the side part of the second element on the upper layer is provided with the protruding part, and the protruding part is arranged between the lifting component and the second end of the second element.

7. The self-locking connecting mechanism as claimed in claim 5, wherein the second element comprises two side plates connected by a plurality of round pins, and the two side plates have a predetermined distance therebetween to facilitate connection with the lifting member.

8. The self-locking coupling mechanism of claim 7, wherein the connecting member is a connecting pin, the connecting pin has a slot at a top end thereof for connecting with the second member, the second member has the round pin at the second end thereof, and the round pin at the second end is disposed through the slot.

9. The self-locking connecting mechanism according to claim 5, wherein the lifting member comprises a screw, one end of the screw is connected to the second element at the upper part, the other end of the screw is connected to the second element at the lower part, and a nut is circumferentially arranged on the screw.

10. The self-locking connecting mechanism as claimed in claim 2, wherein the other end of the first element opposite to the free end is provided with a rotating shaft hole for connecting with the first device through a rotating shaft, and the rotating shaft hole is located below the guiding hole.

Technical Field

The invention relates to the field of railway wagons, in particular to a connecting mechanism capable of realizing self locking.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

With the development of the railway freight market, the current freight vehicles are gradually changed into marketized and specialized vehicles; the road transportation efficiency in part of plateau areas in China is low, the highway transportation is also seriously influenced by conditions such as climate, geology and the like, the corresponding problems can be relieved by adopting railway transportation, and the floor surface of the existing railway transportation vehicle in China is generally higher and is not suitable for transporting large goods such as road automobiles and the like. In order to solve the problem, a low-floor locomotive group is applied, the locomotive group adopts a traction device to realize the coupling traction of the locomotive group and a locomotive vehicle, and the inventor finds that although the floor height of the low-floor locomotive group is reduced, a certain height difference exists between the traction device and the low floor, and the connection interface of the traction device and a low-floor special vehicle needs to be opened and locked safely and quickly, but the existing connection mechanism is usually connected through a connection mechanism at the end sides of the traction device and the vehicle, and the connection mechanism requires the devices at two sides to be symmetrical in center so as to ensure reliable connection, so the existing connection mechanism cannot meet the connection requirement of the traction device and the low-floor special vehicle.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a connecting mechanism capable of realizing self-locking, which has the advantages of simple structure, convenience in operation, high loading and unloading efficiency, safety, reliability and convenience in maintenance.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a connecting mechanism capable of realizing self-locking comprises a first element and at least one second element, wherein the second element is provided with a first end movably connected with a first device, a second end of the second element is provided with a connecting piece capable of being inserted into a second device, the second end of the second element can be lifted, the at least one second element is provided with a protruding portion, the first element is arranged on the lateral portion of the second element and movably connected with the first device, a guide hole used for accommodating the protruding portion is formed in the first element, and one side end portion of the guide hole exceeds the connecting portion of the first element and the first device.

Through the connecting mechanism, in the process of ascending the second element, the connecting piece is driven to be pulled out of the second device, the first device and the second device are opened, in the process of descending the second element, the connecting piece is inserted into the second device, the first device and the second device are connected, then the first element is arranged, the protrusion part of the second element is clamped into the guide hole, when the second element is positioned at the end part of one side of the guide hole and is positioned at the upper side of the joint of the first element and the first device, the protrusion part of the second element exceeds the movable dead point of the first element and the second element, if an upward acting force is continuously applied to the second element, due to the limiting effect of the end part of the guide hole on the protrusion part of the second element, the second element cannot move, the reliable connection of the first device and the second device can be realized, the self-locking can be realized, and only the first element can be manually lifted, so that the lock can be unlocked.

The connecting mechanism capable of realizing self-locking comprises a first element, a second element and a self-locking handle, wherein the first element comprises the self-locking handle, the self-locking handle is located on the side portion of the second element, one end of the self-locking handle is movably connected with the first device, the other end of the self-locking handle is a free end, a guide hole is formed in one side, away from the free end, of the self-locking handle, so that the self-locking handle is an eccentric structural member, and the self-locking handle moves along the guide hole in the lifting motion process of the second.

The connecting mechanism capable of realizing self-locking is characterized in that the guide hole is V-shaped, the guide hole is positioned above the connecting part of the first element and the first device, the length of one side of the guide hole is greater than that of the other side of the guide hole, and the width of the guide hole gradually becomes wider and then gradually becomes narrower from one side of the guide hole to the other side of the guide hole, so that the protrusion part moves downwards along the inner side surface of one side of the guide hole in the descending process of the second element.

According to the connecting mechanism capable of realizing self-locking, the shorter side of the guide hole is arranged close to the joint of the first element and the first device, the movable dead point of the guide hole of the first element relative to the protrusion part is arranged right above the first element and the first device, and one side of the guide hole is arranged right above the joint of the first element and the first device, so that the first element can be reliably locked on the second element.

The connecting mechanism capable of realizing self-locking further comprises a handle clamping seat arranged on the first device, the handle clamping seat is arranged close to the free end of the self-locking handle, and the handle clamping seat is provided with a clamping groove for supporting the self-locking handle.

According to the connecting mechanism capable of realizing self-locking, for the locking effect of the mechanism, the second element is arranged at two positions which are arranged up and down, the second element at the upper position and the lower position is connected with the lifting part, and the distance between the lifting part and the first end of the second element is larger than the distance between the lifting part and the second end of the second element.

According to the connecting mechanism capable of realizing self-locking, the protruding part is arranged on the side part of the second element on the upper layer, and is arranged between the lifting component and the second end of the second element in order to ensure the locking effect of the first element on the second element.

The connecting mechanism capable of realizing self-locking comprises a first element and a second element, wherein the first element comprises a first layer of side plates and a second layer of side plates, the first layer of side plates are connected with the second element through a plurality of round pins, a set distance is reserved between the first layer of side plates and the second layer of side plates, so that the first end and the second end of the first element are connected with a lifting component through round pins, and the middle part of the first element, which is close to the second end, is connected with the lifting component through a round.

The connecting piece is a connecting lock pin, the top end of the connecting lock pin, which is used for being connected with a second element, is provided with a long hole, the second end of the second element is provided with the round pin, the round pin at the second end penetrates through the long hole, and a certain range is provided for the movement of the connecting lock pin through the arrangement of the long hole.

According to the connecting mechanism capable of realizing self-locking, the lifting component comprises a screw rod, one end of the screw rod is connected with the second element at the upper part, the other end of the screw rod is connected with the second element at the lower part, and a nut is annularly arranged on the screw rod.

The connecting mechanism capable of realizing self-locking is characterized in that the other end of the first element, which is opposite to the free end, is provided with a rotating shaft hole so as to be connected with the first device through a rotating shaft, and the rotating shaft hole is positioned below the guide hole.

The beneficial effects of the invention are as follows:

1) according to the invention, through the arrangement of the integral mechanism, the connecting piece can be driven to be pulled out of the second device through the ascending motion of the second element, so that the first device and the second device are opened, the second element descends to drive the connecting piece to be inserted into the second device, so that the first device and the second device are locked, and then the arrangement of the first element is matched, after the connecting piece is inserted into the second device, the guide hole of the first element is matched with the protrusion part, so that the second element is reliably locked, the safety of the mechanism is ensured, and the locking of the first device and the second device with different heights is realized.

2) The invention has the advantages of simple structure, convenient operation, high loading and unloading efficiency, safety, reliability and convenient maintenance through the arrangement of the integral mechanism.

3) According to the invention, through the arrangement of the first element, a moving path is provided for the movement of the second element through the guide hole, and after the second element is locked, the second element is limited by the shorter side of the guide hole, so that the locking position of the first element to the second element exceeds the movable dead point of the first element and the second element (the movable dead point is arranged right above the joint of the first element and the first device), the situation that the second element cannot move even if the second element has upward acting force is ensured, and the locking protection is effectively realized.

4) According to the invention, the guide hole is arranged on one side of the rotating shaft hole of the first element, so that the first element has an eccentric characteristic after being lifted, when the second element descends, the first element does not need to be manually adjusted, the first element can be automatically locked only by controlling the second element to descend, the operation is convenient, and the semi-automatic locking is realized.

Drawings

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

FIG. 1 is a front view of a self-locking coupling mechanism according to one or more embodiments of the present invention.

FIG. 2 is a top view of a self-locking coupling mechanism according to one or more embodiments of the present invention.

FIG. 3 is a front view of a first element of the present disclosure in accordance with one or more embodiments.

FIG. 4 is a top view of a first element of the present disclosure according to one or more embodiments.

Fig. 5 is a front view of a second element of the present invention according to one or more embodiments.

Fig. 6 is a top view of a second element according to one or more embodiments of the present invention.

FIG. 7 is a front view of a screw according to one or more embodiments of the present invention.

FIG. 8 is a top view of a screw according to one or more embodiments of the present invention.

FIG. 9 is a schematic illustration of a latching state of a self-locking coupling mechanism according to one or more embodiments of the present disclosure.

FIG. 10 is an illustration of a first component of a self-locking coupling mechanism according to one or more embodiments of the present disclosure being unlocked.

FIG. 11 is a schematic view of a self-locking coupling mechanism according to one or more embodiments of the present invention coupling a locking pin to a second device.

FIG. 12 is a schematic view of a self-locking coupling mechanism according to one or more embodiments of the present invention in any position during a lock pin descent.

In the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the schematic is shown only schematically.

Wherein: the vehicle body comprises a first element 1, a support 2, a second element at the upper part of the support 3, a connecting lock pin 4, a backing plate 5, a screw cap 6, a second element at the lower part of the support 7, a lifting component 8, a handle clamping seat 9, a fixing support plate 10, a self-locking handle 11, a handle 12, a side plate 13, a protruding part 14, an opening pin 15, a round pin 16, a gasket 17, a screw head 18, a screw rod 19, a traction device 20, a floor-lowering flat vehicle chassis 21 and a rotating shaft hole 22.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.

As described in the background of the invention, the connection mechanism of two devices with different heights, such as a traction device and a low-floor vehicle set, has the problem of unreliability in the prior art, and in order to solve the technical problem, the invention provides the connection mechanism capable of realizing self-locking.