Connecting structure

Abstract

The utility model provides a connecting structure which comprises a first connecting piece and a second connecting piece, the outer side wall of a connecting part of the first connecting piece is provided with an adapting groove, and the orthogonally adjacent side wall of the first connecting piece is provided with a strip-shaped clamping groove; an adapter shaft matched with the adapter groove is formed on the edge of the second connecting piece, a protruding clamping strip matched with the clamping groove is axially arranged on the adapter shaft, when the adapter shaft and the adapter groove form a rotating pair, inclined faces on the two sides of the clamping strip and the inner wall of an opening of the clamping groove form a sliding contact face, and face contact type mechanical locking is achieved after the adapter shaft and the adapter groove rotate to a set angle; and the connection stability and rapid assembly between the two connecting pieces are ensured. Through the synergistic effect of the multi-stage structure, the problems that a traditional connecting piece is low in assembling efficiency and prone to loosening are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical connection technical field especially relates to connecting structure. BACKGROUND

[0002] In the traditional mechanical connection field, the assembly between components mostly adopts screw fastening, welding or buckle type connection. Screw connection needs to rely on tool operation and has the risk of loosening; welding method is not detachable and the process is complex; and the ordinary buckle structure usually only provides one-way locking, has the problems of poor impact resistance, easy to buckle off and the like. Especially for the connection scene needing to rotate to adjust the angle, the prior art is difficult to meet the needs of flexible rotation and stable locking. In addition, the traditional connecting structure has low assembly efficiency and is inconvenient to disassemble, therefore, a new connecting structure with quick assembly and reliable connection is urgently needed. SUMMARY

[0003] In view of the problems existing in the above-mentioned technology, the utility model provides a connecting structure which has the characteristics of simple design, quick and convenient assembly and difficulty in loosening.

[0004] The utility model provides a connecting structure, which comprises a first connecting piece and a second connecting piece, wherein,

[0005] A transition groove extending along the length direction is arranged on the outer side wall of the connecting part of the first connecting piece, and a strip-shaped clamping groove is arranged on the orthogonally adjacent side wall of the side wall where the transition groove is located and extends in parallel.

[0006] A transition shaft which is rotationally matched with the transition groove is formed at the edge of the second connecting piece, and a convex clamping strip which is matched with the clamping groove is arranged in the axial direction of the transition shaft.

[0007] When the transition shaft and the transition groove form a rotational pair, the clamping strip forms a sliding contact surface with the inner wall on both sides of the clamping groove, and when the second connecting piece is rotated around the axis of the transition shaft to a set assembly angle, the clamping strip forms a surface contact type mechanical locking with the inner wall on both sides of the clamping groove.

[0008] Preferably, a plug-in groove is arranged on the bearing side wall of the connecting part of the first connecting piece which is opposite to the side wall where the transition groove is located and extends along the length direction, and the extension direction of the plug-in groove is parallel to the axis of the transition groove.

[0009] Preferably, the inlet side wall of the clamping groove forms a guide-in slope from the groove bottom to the direction of the groove opening, the extension length of the guide-in slope accounts for more than 1 / 2 of the total depth of the clamping groove, and the guide-in slope forms a sliding fit surface with the corresponding side slope of the clamping strip.

[0010] Preferably, a circular-arc cross-section protrusion is arranged on the inner wall of the lead-in slope of the card slot, close to the bottom wall and extending along the length direction of the card slot; a groove matching the shape of the protrusion is arranged on the corresponding side slope of the card strip.

[0011] Preferably, the adapter shaft of the second connecting member has a circular-arc cross section, and the circular-arc surface matches the arc-shaped inner wall of the adapter slot.

[0012] The technical effect of the connecting structure is as follows: when the adapter shaft and the adapter slot form a rotary pair, the side slopes of the card strip and the inner wall of the opening of the card slot form a sliding contact surface, and after rotation to a set angle, face contact type mechanical locking is realized, which can ensure the stability and rapid assembly of the connection; the circular-arc cross-section protrusion arranged on the inner wall of the lead-in slope of the card slot forms precise cooperation with the groove of the card strip, and the locking reliability between the connecting members is enhanced; the design structure is simple, the assembly efficiency is high, and the connection is not easy to loosen. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0014] Figure 1 is an exploded structural schematic view of the connecting structure of the embodiment of the present application;

[0015] Figure 2 is one of the assembly state schematic views of the connecting structure of the embodiment of the present application;

[0016] Figure 3 is the second assembly state schematic view of the connecting structure of the embodiment of the present application;

[0017] Figure 4 is the third assembly state schematic view of the connecting structure of the embodiment of the present application;

[0018] Figure 5 is a sectional schematic view of the connecting structure of the embodiment of the present application;

[0019] Figure 6 is Figure 5 the enlarged schematic view of part A of the connecting structure of the embodiment of the present application;

[0020] Figure 7 is a structural schematic view of the first connecting member of the connecting structure of the embodiment of the present application;

[0021] Figure 8 is a structural schematic view of the second connecting member of the connecting structure of the embodiment of the present application.

[0022] Reference signs: first connecting piece 10; connecting part 11; adapter slot 12; card slot north; lead-in slope north 01; convex strip north 02; insertion slot 14; second connecting piece 20; adapter shaft 21; card strip 22; recess 2201; circuit board 30 DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please see Figures 1 to 8 The connecting structure in the embodiment comprises a first connecting piece 10 and a second connecting piece 20.

[0025] The connecting part 11 of the first connecting piece 10 is provided with an adapter slot 12 extending along the length direction thereof, the adapter slot 12 penetrates the outer side wall of the connecting part 11, the cross section of the adapter slot 12 is approximately arc-shaped, and a strip-shaped card slot north is provided on the orthogonally adjacent side wall of the side wall where the adapter slot 12 is located and extends in parallel, and the card slot north is arranged in parallel with the adapter slot 12. An insertion slot 14 is formed on the bearing side wall of the connecting part 11 of the first connecting piece 10 and opposite to the side wall where the adapter slot 12 is located, and extends along the length direction thereof, the extension direction of the insertion slot 14 is parallel with the axis of the adapter slot 12, the insertion slot 14 is used for inserting a circuit board 30, and the circuit board 30 can be a computer hard disk circuit board or a memory card and the like.

[0026] The adapter shaft 21 is formed at the edge of the second connecting piece 20, the cross section of the adapter shaft 21 is arc-shaped, and the adapter shaft 21 is rotationally matched with the adapter slot 12 on the first connecting piece 10, that is, the arc-shaped adapter shaft 21 is matched with the arc-shaped adapter slot 12, and the two can rotate relative to each other. The second connecting piece 20 is provided with a convex card strip 22 which is arranged in parallel with the axial direction of the adapter shaft 21, and the card strip 22 is matched with the card slot north on the first connecting piece 10.

[0027] When the adapter shaft 21 and the adapter slot 12 form a rotational pair during assembly, the two side slopes of the card strip 22 form sliding contact surfaces with the inner walls on both sides of the opening of the card slot north, and when the second connecting piece 20 is rotated around the axis of the adapter shaft 21 to a set assembly angle, for example, the free end of the second connecting piece 20 is close to the free end of the first connecting piece 10, the second connecting piece 20 and the first connecting piece 10 are parallel (the assembly included angle is 0°), the two side slopes of the card strip 22 form surface contact type mechanical locking with the inner walls on both sides of the card slot north, respectively, and the fixed connection between the second connecting piece 20 and the first connecting piece 10 is realized.

[0028] The inlet side wall of the first connecting piece 10 forms a guide-in slope north 01 from the groove bottom to the groove opening direction, the extension length of the guide-in slope north 01 accounts for more than 1 / 2 of the total depth of the card slot north, and the guide-in slope north 01 forms a sliding fit surface with the corresponding side slope on the card strip 22 of the second connecting piece 20, so that the card strip 22 of the second connecting piece 20 can smoothly enter the card slot north of the first connecting piece 10.

[0029] An arc-shaped cross-section protrusion 1302 is arranged on the inner wall of the guide-in slope 1301 of the card slot north and extends along the length direction of the card slot north near the bottom wall; a groove 2201 is formed on the corresponding side slope of the card strip 22, the groove 2201 is matched with the protrusion 1302, the card strip 22 of the second connecting piece 20 slides into the card slot north of the first connecting piece 10, the side slopes of the card strip 22 form a sliding contact surface with the inner walls of the opening of the card slot north, and the protrusion 1302 is matched and connected with the groove 2201, so that the card strip 22 is not easy to be separated from the card slot north.

[0030] The embodiment has the beneficial technical effects that: the adapter shaft and the adapter groove form a rotary pair, the side slopes of the card strip form a sliding contact surface with the inner walls of the opening of the card slot, the two connecting pieces are rotated to the parallel implementation surface contact type mechanical locking, the stability and rapid assembly of the connection can be ensured, the arc-shaped cross-section protrusion is additionally arranged on the inner wall of the guide-in slope, the protrusion is precisely matched with the groove of the card strip, and the locking reliability between the connecting pieces is enhanced; the design structure is simple, the assembly efficiency is high, and the connection is not easy to be separated.

[0031] In the utility model, under the condition that no opposite statement is made, the orientation words such as up, down, left, right, front, back, inside, outside and vertical and horizontal contained in the term only represent the orientation of the term in the normal use state or the common name understood by the person skilled in the art, and should not be regarded as the limitation of the term, at the same time, the serial nouns such as first, second and third do not represent the specific quantity and order, and are only used for distinguishing the names, and moreover, the term '' includes '' or '' contains '' or any other variant is intended to cover the non-exclusive containing, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to the process, method, article or equipment.

[0032] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A connection structure, comprising a first connector (10) and a second connector (20), characterized in that: The first connector (10) has a transition groove (12) extending along its length direction on the outer side wall of the connecting part (11), and a strip-shaped slot (13) extends parallel to the orthogonal adjacent side wall of the side wall where the transition groove (12) is located. The edge of the second connector (20) is formed with a transition shaft (21) that rotatably engages with the transition groove (12), and the axial direction of the transition shaft (21) is provided with a protruding locking strip (22) that matches the locking groove (13); When the adapter shaft (21) and the adapter groove (12) form a rotating pair, the inclined surfaces on both sides of the locking strip (22) form a sliding contact surface with the inner walls on both sides of the opening of the slot (13). When the second connecting member (20) rotates around the axis of the adapter shaft (21) to the set assembly angle, the inclined surfaces on both sides of the locking strip (22) form a surface contact mechanical lock with the inner walls on both sides of the slot (13).

2. The connection structure according to claim 1, characterized in that, On the bearing side wall of the connecting part (11) of the first connector (10) which is opposite to the side wall where the adapter groove (12) is located, a slot (14) is provided along its length direction, and the extension direction of the slot (14) is parallel to the axis of the adapter groove (12).

3. The connection structure according to claim 2, characterized in that, The inlet sidewall of the slot (13) forms an inlet inclined surface (1301) from the bottom of the slot to the opening of the slot. The extension length of the inlet inclined surface (1301) is more than 1 / 2 of the total depth of the slot (13). The inlet inclined surface (1301) and the corresponding side inclined surface of the card strip (22) form a sliding mating surface.

4. The connection structure according to claim 3, characterized in that: On the inner wall of the guide slope (1301) of the slot (13), a circular arc-shaped cross-section protrusion (1302) is provided near the bottom wall along the length direction of the slot (13); a groove (2201) matching the shape of the protrusion (1302) is provided on the corresponding side slope of the card strip (22).

5. The connection structure according to claim 4, characterized in that, The cross-section of the adapter shaft (21) of the second connector (20) is arc-shaped, and the arc-shaped surface matches the arc-shaped inner wall of the adapter groove (12).

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