CN117780761A - Connecting device - Google Patents

Abstract

The application provides a connecting device relates to part connection structure technical field. The connecting device comprises: the positioning assembly comprises a cam plate, an avoidance channel is arranged along the thickness direction of the cam plate, a locking slide way is arranged on the side wall of the avoidance channel, and the locking slide way is spirally arranged along the thickness direction of the cam plate; the locking assembly comprises a locking pin, the locking pin is arranged in the avoidance channel in a penetrating mode, the locking assembly is operated to drive the locking pin to rotate along the locking slide way, so that the locking pin has a locking position for locking the cam plate, and the locking pin has an unlocking position for unlocking the cam plate. By means of the technical scheme, the locking assembly is operated to drive the locking pin to rotate along the locking slide way so as to lock and unlock the locking pin and the cam plate, the bolt and the nut are adopted in the prior art to be connected and fastened after rotating for a plurality of circles, and the problem that in the prior art, under the condition of narrow operation space, the bolt and the nut are inconvenient to connect and operate is solved.

Description

Connecting device

Technical Field

The application relates to the technical field of part connection structures, in particular to a connecting device.

Background

In practical production, threaded connection is often used in the connection and fastening process, the fastening structure of the bolt or the nut needs to be rotated for a plurality of weeks to achieve the expected clamping force, and in the rotating process, a rotating space within a range of 360 degrees needs to be reserved for the tool. Therefore, under the condition that some operation spaces are narrow, the connection mode of the bolts or nuts needs to be repeatedly rotated for a plurality of times at a certain small angle to fasten or unfasten the connection, and the operation convenience is poor.

In view of the above problems, no effective solution has been proposed.

Disclosure of Invention

The main aim of the application is to provide a connecting device to solve the inconvenient problem of bolt and nut connection operation under the narrow and small condition of operation space among the prior art.

In order to achieve the above object, according to one aspect of the present application, there is provided a connection device comprising: the positioning assembly comprises a cam plate, an avoidance channel is arranged along the thickness direction of the cam plate, a locking slide way is arranged on the side wall of the avoidance channel, and the locking slide way is spirally arranged along the thickness direction of the cam plate; the locking assembly comprises a locking pin, the locking pin is arranged in the avoidance channel in a penetrating mode, the locking assembly is operated to drive the locking pin to rotate along the locking slide way, so that the locking pin has a locking position for locking the cam plate, and the locking pin has an unlocking position for unlocking the cam plate.

Further, the locking assembly includes: the nail comprises a nail body and an operating end, wherein the diameter of the operating end is larger than that of the nail body; wherein, the locking pin is connected with the nail body, and the locking pin sets up in the nail body one side of keeping away from the operating end, and the axis of locking pin sets up perpendicularly to the axis of nail body.

Further, the locking assembly includes: the spring piece is arranged along the circumferential direction of the nail body and is movably arranged at one side close to the operation end; and the retaining piece is arranged along the circumferential direction of the nail body and is movably arranged on one side far away from the operation end.

Further, the avoidance channel includes: the avoiding holes are arranged corresponding to the nail body; the avoidance groove is communicated with the avoidance hole, the avoidance groove is correspondingly arranged with the locking pin, and the locking slide way is communicated with the avoidance groove.

Further, dodge the groove and be two at least, lock the slide setting and dodge between the groove in adjacent two.

Further, the cam plate includes a cam plate body, and the locking slide includes: the first end of the rising section is close to the avoiding groove; the first end of the descending section is connected with the second end of the ascending section; the limiting section is connected with the second end of the descending section; wherein, the ascending section, the descending section and the limiting section are all smooth transition sections.

Further, the length of the connecting line between the first end of the ascending section and the central axis of the avoidance hole is L1, the length of the connecting line between the second end of the ascending section and the central axis of the avoidance hole is L2, wherein L1 is larger than L2, and/or the length of the connecting line between the first end of the descending section and the central axis of the avoidance hole is equal to the length of the connecting line between the second end of the ascending section and the central axis of the avoidance hole, L2 is L2, the length of the connecting line between the second end of the descending section and the central axis of the avoidance hole is L3, and/or the length of the connecting line between the first end of the limiting section and the central axis of the avoidance hole is equal to the length of the connecting line between the second end of the descending section and the central axis of the avoidance hole is L4, wherein L3 is larger than L2 is larger than L4.

Further, the cam piece is provided with a protruding portion, the protruding portion encloses and establishes the passageway of dodging of forming part, and the locking slide is formed in the inner wall of protruding portion.

Further, the positioning assembly includes: the clamping piece is arranged in parallel with the cam piece, the clamping piece is arranged on one side far away from the protruding portion, one end of the clamping piece is connected with the cam piece through the connecting piece, and a clamping groove is formed between the clamping piece and the cam piece.

Further, the cam plate includes: the cam sheet body is arranged in parallel with the clamping sheet; the clamping section, clamping section and connecting piece set up in the both sides of bellying, and the one end and the cam piece body coupling of clamping section, the other end of clamping section sets up away from the card piece.

By applying the technical scheme, the connecting device comprises a positioning assembly and a locking assembly, wherein the positioning assembly comprises a cam plate, an avoidance channel is arranged along the thickness direction of the cam plate, a locking slide way is arranged on the side wall of the avoidance channel, and the locking slide way is arranged in a spiral rising manner along the thickness direction of the cam plate; the locking assembly comprises a locking pin, the locking pin is arranged in the avoidance channel in a penetrating mode, the locking assembly is operated to drive the locking pin to rotate along the locking slide way, so that the locking pin has a locking position for locking the cam plate, and the locking pin has an unlocking position for unlocking the cam plate. The locking assembly is operated to drive the locking pin to rotate along the locking slide way so as to realize locking and unlocking of the locking pin and the cam piece, so that a fastening mode that bolts and nuts can be connected and fastened after rotating for a plurality of circles in the prior art is replaced, and the problem that the bolts and nuts are inconvenient to connect and operate under the condition of narrow operation space in the prior art is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 shows a schematic structural view of a first embodiment of a connection device according to the present application;

fig. 2 shows a schematic structural view of a second embodiment of a connection device according to the present application;

fig. 3 shows a schematic structural view of a third embodiment of a connection device according to the present application;

fig. 4 shows a schematic structural view of a fourth embodiment of a connection device according to the present application.

Wherein the above figures include the following reference numerals:

1. a positioning assembly;

10. a cam plate; 100. a cam plate body; 101. a boss; 102. a clamping section;

11. an avoidance channel; 111. avoidance holes; 112. an avoidance groove;

12. locking the slideway; 121. a rising section; 122. a descent section; 123. a limiting section;

13. a clamping piece;

14. a connecting piece;

15. welding the convex points;

2. a locking assembly;

21. a nail; 211. a nail body; 212. an operation end;

22. a locking pin;

23. a spring piece;

24. and a holding sheet.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

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 example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.

For better understanding the scheme of this application, description is connected to bolt or nut among the prior art, and the connection fastening in-process is often used bolt or nut and screw-thread fit to accomplish the connection, and wherein, the fastening structure of bolt or nut needs to rotate a plurality of weeks just can reach anticipated clamping force, in the in-process of rotation, need reserve 360 within range's rotation space for the instrument. Therefore, under the condition that some operation spaces are narrow, the connection mode of the bolts or nuts needs to be repeatedly rotated for a plurality of times at a certain small angle to fasten or unfasten the connection, and the operation convenience is poor.

As shown in connection with fig. 1-4, in a specific embodiment of the present application, a connection device is provided.

Specifically, the connecting device comprises a positioning assembly 1 and a locking assembly 2, wherein the positioning assembly 1 comprises a cam plate 10, an avoidance channel 11 is arranged along the thickness direction of the cam plate 10, a locking slide rail 12 is arranged on the side wall of the avoidance channel 11, and the locking slide rail 12 is spirally arranged along the thickness direction of the cam plate 10; the locking assembly 2 comprises a locking pin 22, the locking pin 22 penetrates through the avoidance channel 11, and the locking assembly 2 is operated to drive the locking pin 22 to rotate along the locking slide way 12, so that the locking pin 22 has a locking position for locking the cam plate 10, and the locking pin 22 has an unlocking position for unlocking the cam plate 10.

By applying the technical scheme, the connecting device comprises a positioning assembly 1 and a locking assembly 2, wherein the positioning assembly 1 comprises a cam plate 10, an avoidance channel 11 is arranged along the thickness direction of the cam plate 10, a locking slide way 12 is arranged on the side wall of the avoidance channel 11, and the locking slide way 12 is spirally arranged along the thickness direction of the cam plate 10; the locking assembly 2 comprises a locking pin 22, the locking pin 22 penetrates through the avoidance channel 11, and the locking assembly 2 is operated to drive the locking pin 22 to rotate along the locking slide way 12, so that the locking pin 22 has a locking position for locking the cam plate 10, and the locking pin 22 has an unlocking position for unlocking the cam plate 10. The locking assembly 2 is operated to drive the locking pin 22 to rotate along the locking slide way 12 so as to realize locking and unlocking of the locking pin 22 and the cam plate 10, so that a fastening mode that bolts and nuts can be used for connection and fastening after rotating for a plurality of circles in the prior art is replaced, and the problem that the bolts and nuts are inconvenient to connect and operate under the condition of narrow operation space in the prior art is solved.

Referring to fig. 1 and 2, in this embodiment, the connecting device includes a positioning component 1 (as shown in fig. 1) and a locking component 2 (as shown in fig. 2), where the positioning component 1 includes a cam plate 10, an avoidance channel 11 is provided along the thickness direction of the cam plate 10, a locking slide 12 is provided on the side wall of the avoidance channel 11, and the locking slide 12 is spirally arranged along the thickness direction of the cam plate 10; the locking assembly 2 comprises a locking pin 22, the locking pin 22 penetrates through the avoidance channel 11, and the locking assembly 2 is operated to drive the locking pin 22 to rotate along the locking slide way 12, so that the locking pin 22 has a locking position for locking the cam plate 10, and the locking pin 22 has an unlocking position for unlocking the cam plate 10. The connecting device can be applied to more occasions when the connecting fastening effect is ensured, such as the condition of narrow operation space, and the practicability of the connecting device is improved.

Further, the locking assembly 2 includes a nail 21, the nail 21 including a nail body 211 and an operating end 212, the diameter of the operating end 212 being greater than the diameter of the nail body 211; wherein, the locking pin 22 is connected with the nail body 211, the locking pin 22 is arranged at one side of the nail body 211 far away from the operation end 212, and the axis of the locking pin 22 is arranged perpendicular to the axis of the nail body 211.

As shown in fig. 2, in the present embodiment, the locking assembly 2 includes a nail 21 and a locking pin 22, the nail 21 including a nail body 211 and an operating end 212, the diameter of the operating end 212 being larger than that of the nail body 211 for performing a locking operation. The lock pin 22 is connected to the nail body 211, the lock pin 22 is provided on a side of the nail body 211 away from the operation end 212, and an axis of the lock pin 22 is provided perpendicular to an axis of the nail body 211. In connection with fig. 1, when the locking operation is performed, the operation end 212 is operated to pass a part of the nail body 211 through the escape passage 11 and to rotate the locking pin 22 along the locking slide 12 to the locking position for locking the cam plate 10. When the unlocking operation is performed, the rotating operation end 212 drives the locking pin 22 to rotate from the locking position to the unlocking position for unlocking the cam plate 10 along the locking slide 12, the locking pin 22 slides into the avoiding channel 11 through the locking slide 12, and the operating end 212 is operated to take out part of the nail body 211 and the locking pin 22 from the avoiding channel 11. Wherein, the locking pin 22 rotates to the locking position from the unlocking position, and the rotation angle required by the operation end 212 is less than 180 ° in the process of the locking pin 22 rotating from the locking position to the unlocking position, so that the time spent when the connecting device is connected and disassembled can be reduced, the disassembly and assembly efficiency is improved, and the labor intensity of workers is reduced.

Further, the locking assembly 2 includes a spring piece 23 and a holding piece 24, the spring piece 23 is disposed along the circumferential direction of the nail body 211, and the spring piece 23 is movably disposed at a side close to the operation end 212; the holding piece 24 is provided along the circumferential direction of the nail body 211, and the holding piece 24 is movably provided at a side away from the operation end 212.

As shown in fig. 2, in the present embodiment, the locking assembly 2 includes a spring piece 23 and a holding piece 24, the spring piece 23 is disposed along the circumferential direction of the nail body 211, the spring piece 23 is movably disposed on the side near the operation end 212, the holding piece 24 is disposed along the circumferential direction of the nail body 211, and the holding piece 24 is movably disposed on the side far from the operation end 212. During the connection process, when the locking operation is performed, the operation end 212 is operated to enable part of the nail body 211 to pass through the avoidance channel 11, the retaining piece 24 is positioned between the spring piece 23 and the cam piece 10, the rotation operation end 212 drives the locking pin 22 to rotate along the locking slide way 12 to a locking position for locking the cam piece 10, the retaining piece 24 is pushed to the spring piece 23 during the rotation process, the spring piece 23 is compressed, and finally, a fastening force is generated through the compression deformation of the spring piece 23, so that the connected piece is clamped. The fastening effect of the connecting device can be further enhanced, and the reliability of the connecting device can be improved.

Further, the avoiding channel 11 includes an avoiding hole 111 and an avoiding groove 112, where the avoiding hole 111 is disposed corresponding to the nail body 211; the escape groove 112 communicates with the escape hole 111, the escape groove 112 is provided corresponding to the lock pin 22, and the lock slide 12 communicates with the escape groove 112.

As shown in fig. 1 and 2, when the locking operation is performed, the operation end 212 is operated to make a part of the nail body 211 pass through the avoiding hole 111, and the locking pin 22 enters the locking slide 12 through the avoiding groove 112, and the locking pin 22 is driven to rotate along the locking slide 12 to the locking position by rotating the operation end 212. When the unlocking operation is performed, the rotation operation end 212 drives the locking pin 22 to rotate from the locking position to the unlocking position along the locking slide way 12, the locking pin 22 slides into the avoiding groove 112 through the locking slide way 12, the operation end 212 is operated to enable part of the nail body 211 to be taken out from the avoiding hole 111, and the locking pin 22 is taken out from the avoiding groove 112. The time spent when connecting and dismantling the connecting device can be reduced by the arrangement, the disassembly and assembly efficiency is improved, and the labor intensity of workers is reduced.

Further, at least two avoidance grooves 112 are provided, and the locking slide 12 is disposed between two adjacent avoidance grooves 112.

As shown in fig. 1, the arrangement can ensure that the rotation angle required by the operation end 212 is smaller than 180 ° in the process of rotating the locking pin 22 from the unlocking position to the locking position and rotating the locking pin 22 from the locking position to the unlocking position, so that the time spent when the connecting device is connected and detached is reduced, the dismounting efficiency is improved, and the reliability of the connecting device is improved.

Further, the cam plate 10 includes a cam plate body 100, the locking slide 12 includes an ascending section 121, a descending section 122 and a limiting section 123, and a first end of the ascending section 121 is disposed close to the avoidance groove 112; a first end of the falling section 122 is connected to a second end of the rising section 121; the limiting section 123 is connected with the second end of the descending section 122; wherein, the ascending section 121, the descending section 122 and the limiting section 123 are all smooth transition sections.

As shown in fig. 1, 2 and 4, when the locking operation is performed, the operation end 212 is operated to enable part of the nail body 211 to pass through the avoiding hole 111, the locking pin 22 enters the locking slide way 12 through the avoiding groove 112, the rotation operation end 212 drives the locking pin 22 to slide along the locking slide way 12, passes through the ascending section 121 first and slides from the highest point of the ascending section 121 to the descending section 122, and the limiting section 123 limits the position of the locking pin, so that the locking position is reached. When unlocking operation is performed, the rotating operation end 212 drives the locking pin 22 to rotate from the locking position to the unlocking position along the locking slide way 12, the locking pin 22 slides along the locking slide way 12, firstly slides from the limiting section 123 to the descending section 122, and slides from the highest point of the descending section 122 to the ascending section 121, the ascending section 121 slides into the avoidance groove 112, and the operating end 212 is operated to enable part of the nail body 211 to be taken out from the avoidance hole 111, and the locking pin 22 is taken out from the avoidance groove 112. Through setting up ascending section 121, descending section 122 and spacing section 123, lock and unblock locking pin 22, replaced threaded connection and need rotatory loaded down with trivial details process repeatedly, improved this connecting device's convenience.

Further, the length of the line between the first end of the ascending section 121 and the central axis of the avoidance hole 111 is L1, the length of the line between the second end of the ascending section 121 and the central axis of the avoidance hole 111 is L2, where L1 > L2, the length of the line between the first end of the descending section 122 and the central axis of the avoidance hole 111 is equal to the length of the line between the second end of the ascending section 121 and the central axis of the avoidance hole 111, L2, the length of the line between the second end of the descending section 122 and the central axis of the avoidance hole 111 is L3, where L3 > L2, the length of the line between the first end of the limiting section 123 and the central axis of the avoidance hole 111 is equal to the length of the line between the second end of the descending section 122 and the central axis of the avoidance hole 111 is L3, and the length of the line between the second end of the limiting section 123 and the central axis of the avoidance hole 111 is L4, where L3 > L2 > L4. The locking effect of the connecting device is further guaranteed, and the practicability of the connecting device is improved.

Further, the cam plate 10 includes a solder bump 15.

In one embodiment of the present application, as shown in connection with fig. 1, the cam plate 10 includes two solder bumps 15, where the connection device is adapted for use where the fastened component is a sheet metal part.

Further, the cam plate 10 is provided with a boss 101, the boss 101 encloses a relief passage 11 forming part of it, and a lock slide 12 is formed on the inner wall of the boss 101. This arrangement can accommodate the fact that the fasteners are parts that are not easily welded.

Further, the positioning assembly 1 includes a clamping piece 13, the clamping piece 13 is disposed parallel to the cam piece 10, the clamping piece 13 is disposed at one side far away from the protruding portion 101, one end of the clamping piece 13 is connected with the cam piece 10 through a connecting piece 14, and a clamping groove is formed between the clamping piece 13 and the cam piece 10.

In another embodiment of the present application, as shown in fig. 4, the connecting device is suitable for the case that the fastened member is a plastic member, and before the fastening is started, the positioning assembly 1 can be clamped to the fastened member, so that the subsequent connecting operation is performed, and the application range of the connecting device is increased.

Further, the cam plate 10 includes a cam plate body 100 and a clip section 102, the cam plate body 100 being disposed in parallel with the clip piece 13; the clamping section 102 and the connecting piece 14 are arranged on two sides of the protruding portion 101, one end of the clamping section 102 is connected with the cam sheet body 100, and the other end of the clamping section 102 is arranged away from the clamping sheet 13.

As shown in fig. 4, the cam plate 10 includes a cam plate body 100, a boss 101 and a clamping section 102, the cam plate body 100 is disposed parallel to the clamping piece 13, the clamping section 102 and the connecting piece 14 are disposed on two sides of the boss 101, one end of the clamping section 102 is connected with the cam plate body 100, and the other end of the clamping section 102 is disposed away from the clamping piece 13. In the case of a plastic part to be fastened, the positioning assembly 1 can be snapped onto the fastened part before the locking is started.

When the locking operation is performed, the operation end 212 is operated to enable part of the nail body 211 to pass through the avoiding hole 111 in the protruding portion 101, the locking pin 22 enters the locking slide way 12 through the avoiding channel 11, the rotation operation end 212 drives the locking pin 22 to slide along the locking slide way 12, the locking pin passes through the ascending section 121 firstly and slides to the descending section 122 from the highest point of the ascending section 121, and the limiting section 123 is used for limiting, so that the locking position is reached. When unlocking operation is performed, the rotating operation end 212 drives the locking pin 22 to rotate from the locking position to the unlocking position along the locking slide way 12, the locking pin 22 slides along the locking slide way 12, firstly slides from the limiting section 123 to the descending section 122, and slides from the highest point of the descending section 122 to the ascending section 121, the ascending section 121 slides into the avoidance groove 112, and the operating end 212 is operated to enable part of the nail body 211 to be taken out from the avoidance hole 111, and the locking pin 22 is taken out from the avoidance groove 112. Through setting up ascending section 121, descending section 122 and spacing section 123, lock and unblock locking pin 22, replaced threaded connection and need rotatory loaded down with trivial details process repeatedly, improved this connecting device's convenience.

In another embodiment of the present application, when performing a locking operation, the operation end 212 is operated to make a part of the nail body 211 pass through the avoiding hole 111 in the protruding portion 101, and the locking pin 22 enters the locking slide 12 through the avoiding groove 112, and the rotation operation end 212 drives the locking pin 22 to slide along the locking slide 12, passes through the rising section 121 first and slides from the highest point of the rising section 121 to the falling section 122, and is limited by the limiting section 123, so as to reach the locking position. When unlocking operation is performed, the rotating operation end 212 drives the locking pin 22 to rotate from the locking position to the unlocking position along the locking slide way 12, the locking pin 22 slides along the locking slide way 12, firstly slides from the limiting section 123 to the descending section 122, and slides from the highest point of the descending section 122 to the ascending section 121, the ascending section 121 slides into the avoidance groove 112, and the operating end 212 is operated to enable part of the nail body 211 to be taken out from the avoidance hole 111, and the locking pin 22 is taken out from the avoidance groove 112. Through setting up ascending section 121, descending section 122 and spacing section 123, lock and unblock locking pin 22, replaced threaded connection and need rotatory loaded down with trivial details process repeatedly, improved this connecting device's convenience.

From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:

1. the locking assembly 2 is operated to drive the locking pin 22 to rotate along the locking slide way 12 so as to realize locking and unlocking of the locking pin 22 and the cam plate 10, so that a fastening mode that bolts and nuts can be used for connection and fastening after rotating for a plurality of circles in the prior art is replaced, and the problem that the bolts and nuts are inconvenient to connect and operate under the condition of narrow operation space in the prior art is solved.

2. When the locking operation is performed, the operation end 212 is operated to enable part of the nail body 211 to pass through the avoidance hole 111, the locking pin 22 enters the locking slide way 12 through the avoidance groove 112, the rotation operation end 212 drives the locking pin 22 to slide along the locking slide way 12, passes through the ascending section 121 firstly and slides to the descending section 122 from the highest point of the ascending section 121, and the limiting section 123 is used for limiting, so that the locking position is reached.

3. When unlocking operation is performed, the rotating operation end 212 drives the locking pin 22 to rotate from the locking position to the unlocking position along the locking slide way 12, the locking pin 22 slides along the locking slide way 12, firstly slides from the limiting section 123 to the descending section 122, and slides from the highest point of the descending section 122 to the ascending section 121, the ascending section 121 slides into the avoidance groove 112, and the operating end 212 is operated to enable part of the nail body 211 to be taken out from the avoidance hole 111, and the locking pin 22 is taken out from the avoidance groove 112.

4. Through setting up ascending section 121, descending section 122 and spacing section 123, lock and unblock locking pin 22, replaced threaded connection and need rotatory loaded down with trivial details process repeatedly, improved this connecting device's convenience.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, references in the specification to "one embodiment," "another embodiment," "an embodiment," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described in general terms in the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the invention as set forth in connection with other embodiments.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (10)

1. A connection device, comprising:

the positioning assembly (1), the positioning assembly (1) comprises a cam sheet (10), an avoidance channel (11) is arranged along the thickness direction of the cam sheet (10), a locking slide way (12) is arranged on the side wall of the avoidance channel (11), and the locking slide way (12) is spirally arranged along the thickness direction of the cam sheet (10);

locking subassembly (2), locking subassembly (2) include locking pin (22), locking pin (22) wear to locate in dodging passageway (11), operation locking subassembly (2) drive locking pin (22) are followed locking slide (12) rotation, so that locking pin (22) have with the locked position of cam piece (10) locking, and locking pin (22) have with the unblock position of cam piece (10) unblock.

2. The connection device according to claim 1, characterized in that the locking assembly (2) comprises:

-a nail (21), the nail (21) comprising a nail body (211) and an operating end (212), the diameter of the operating end (212) being greater than the diameter of the nail body (211);

wherein, locking pin (22) with nail body (211) is connected, locking pin (22) set up in nail body (211) keep away from one side of operating end (212), the axis of locking pin (22) is perpendicular to the axis ground setting of nail body (211).

3. The connection device according to claim 2, characterized in that the locking assembly (2) comprises:

a spring piece (23), the spring piece (23) being disposed along a circumferential direction of the nail body (211), the spring piece (23) being movably disposed at a side near the operation end (212);

-a retaining tab (24), said retaining tab (24) being arranged along the circumference of said nail body (211), said retaining tab (24) being movably arranged at a side remote from said operating end (212).

4. The connection device according to claim 2, characterized in that the relief channel (11) comprises:

an avoidance hole (111), the avoidance hole (111) being provided in correspondence with the nail body (211);

dodge groove (112), dodge groove (112) with dodge hole (111) intercommunication, dodge groove (112) with locking pin (22) set up correspondingly, locking slide (12) with dodge groove (112) intercommunication.

5. The connecting device according to claim 4, wherein at least two avoidance grooves (112) are provided, and the locking slide (12) is arranged between two adjacent avoidance grooves (112).

6. The connection device according to claim 4, wherein the cam plate (10) comprises a cam plate body (100), the locking slide (12) comprising:

a rising section (121), wherein a first end of the rising section (121) is arranged close to the avoidance groove (112);

-a descending section (122), a first end of the descending section (122) being connected to a second end of the ascending section (121);

the limiting section (123), the second end of the said lowering section (122) of the said limiting section (123) connects;

wherein, the ascending section (121), the descending section (122) and the limiting section (123) are smooth transition sections.

7. The connecting device according to claim 6, characterized in that the length of the line between the first end of the rising section (121) and the central axis of the avoidance hole (111) is L1, the length of the line between the second end of the rising section (121) and the central axis of the avoidance hole (111) is L2, wherein L1 > L2, and/or the length of the line between the first end of the falling section (122) and the central axis of the avoidance hole (111) is equal to the length of the line between the second end of the rising section (121) and the central axis of the avoidance hole (111) is L2, the length of the line between the second end of the falling section (122) and the central axis of the avoidance hole (111) is L3, wherein L3 > L2 and/or the length of the line between the first end of the limiting section (123) and the central axis of the avoidance hole (111) is L3 > L2, and/or the length of the line between the second end of the falling section (122) and the central axis of the avoidance hole (111) is L3 > L4, wherein L3 > L2 and the length of the limiting section (123) is equal to L3 > L2.

8. The connecting device according to claim 4, characterized in that the cam piece (10) is provided with a protruding part (101), the protruding part (101) encloses the relief channel (11) forming part, and the locking slide (12) is formed on the inner wall of the protruding part (101).

9. The connection device according to claim 8, characterized in that the positioning assembly (1) comprises:

the clamping piece (13), clamping piece (13) with cam piece (10) parallel arrangement, clamping piece (13) set up in keeping away from one side of bellying (101), just one end of clamping piece (13) pass through connecting piece (14) with cam piece (10) are connected, clamping piece (13) with form the joint groove between cam piece (10).

10. The connection device according to claim 9, characterized in that the cam plate (10) comprises:

a cam plate body (100), wherein the cam plate body (100) is arranged in parallel with the clamping plate (13);

the clamping section (102), the clamping section (102) with connecting piece (14) set up in the both sides of bellying (101), the one end of clamping section (102) with cam piece body (100) are connected, the other end of clamping section (102) is kept away from clamping piece (13) ground setting.