CN117477259A

CN117477259A - Terminal locking structure and IO module

Info

Publication number: CN117477259A
Application number: CN202311380508.4A
Authority: CN
Inventors: 侯宇晓; 王虹运
Original assignee: Shenzhen Jukong Xinchen Technology Co ltd
Current assignee: Shenzhen Jukong Xinchen Technology Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-01-30

Abstract

The embodiment of the invention discloses a terminal locking structure and an IO module. The binding post has first buckle portion and second buckle portion, and first buckle portion can buckle on the fixing base, and binding post has the position of taking and fixed position relative to the fixing base. The terminal locking structure comprises a locking piece and a mounting piece, wherein the mounting piece is rotationally connected to the fixing seat, the locking piece is movably arranged relative to the fixing seat and has a first position and a second position, the locking piece can be abutted when the mounting piece rotates, and the locking piece and the mounting piece can relatively rotate on an axis parallel to a rotating shaft of the mounting piece. Through setting up the terminal locking structure components of a whole that can function independently, when both relative rotations, the junction inside between the two can not produce to pull, guarantees terminal locking structure's normal life.

Description

Terminal locking structure and IO module

Technical Field

The invention relates to the technical field of IO modules, in particular to a terminal locking structure and an IO module.

Background

The IO (Input/Output) module in the prior art generally includes a connection terminal connected with an external wire, and a fixing base for mounting an electronic component and capable of being fixed on a guide rail, where the connection terminal is usually detachably connected with the fixing base, and the terminal locking structure in the related art is further provided with a latch assembly, and the latch assembly can fix one end of the connection terminal on the fixing base, so as to realize the fixed connection between the connection terminal and the fixing base.

The latch assembly in the related art comprises two structures which are connected together, one structure is rotationally connected to the fixing base, the other structure is used for latching the wiring terminal, in the use process, the two structures of the latch assembly can relatively rotate, the joint is relatively easy to pull during the relative rotation between the two parts of the structures of the latch assembly in the related art, the joint of the two structures is easy to break after a long time, the service life of the latch assembly is not only influenced, the latch assembly is also required to be replaced frequently, and the cost is increased.

Disclosure of Invention

In view of the above, it is necessary to provide a terminal locking structure and an IO module having a long service life.

The embodiment of the invention provides a terminal locking structure, which is applied to an IO module, wherein the IO module comprises a wiring terminal and a fixing seat, and the terminal locking structure is used for fixing the wiring terminal on the fixing seat and is characterized in that:

the wiring terminal is provided with a first buckling part and a second buckling part, the first buckling part can be buckled on the fixing seat, and when the first buckling part is buckled on the fixing seat, the wiring terminal is provided with a taking position and a fixing position relative to the fixing seat;

the terminal locking structure comprises a locking piece and a mounting piece, wherein the mounting piece is rotationally connected to the fixed seat, the locking piece is movably arranged relative to the fixed seat and is provided with a first position and a second position, the locking piece and the mounting piece are arranged into mutually independent structures, the mounting piece can be abutted against the locking piece when rotating, and the locking piece and the mounting piece can relatively rotate on an axis parallel to a rotating shaft of the mounting piece;

the drive binding post moves to fixed position's in-process can drive the installed part rotates, can drive the retaining member moves to first position, makes the retaining member buckle is located on the second buckle portion of fixed position, the retaining member moves to the in-process of second position from first position can drive the installed part rotates, the installed part rotates the in-process can drive binding post changes to the position of taking from fixed position.

In some embodiments, an inserting shaft is disposed at one end of the locking member, a connecting portion is disposed at one end of the mounting member, a connecting hole is formed in the connecting portion, the inserting shaft can be inserted and fitted into the connecting hole, an axis of the inserting shaft is parallel to a rotating shaft of the mounting member, and the connecting portion can rotate around the inserting shaft.

In some embodiments, the connecting hole and the plugging shaft are both cylindrical, the connecting hole penetrates through the connecting portion, the connecting hole is provided with an opening perpendicular to the opening direction of the connecting hole, the plugging shaft is connected with the locking piece through a connecting wall, the thickness of the connecting wall is smaller than the width of the opening, and when the plugging shaft is plugged and matched with the connecting hole, the connecting wall penetrates through the opening.

In some embodiments, a position of the connecting portion near the opening is set to be a cambered surface, and a bevel angle is set at a position where the locking member is connected with the connecting wall.

In some embodiments, the fixing seat is provided with two spaced clamping plates at a position close to the mounting portion, the locking member can move in a gap between the two clamping plates, and two ends of the plugging shaft can be respectively abutted to the two clamping plates, so that the plugging shaft is prevented from being separated from the connecting hole along the axis.

In some embodiments, the opposite positions of the two clamping plates are further provided with a transverse bar, two ends of the locking piece, which are opposite to the two clamping plates, are provided with protruding blocks in a protruding mode, and when the locking piece is located between the two clamping plates, the protruding blocks are located below the transverse bar.

In some embodiments, the locking member further includes a locking portion and an elastic portion, the locking portion is provided with a locking edge, and when the locking member is located at the first position, the locking edge can be abutted to the second fastening portion located at the fixed position by using the elastic force of the elastic portion, so that the connection terminal is fixed on the fixing seat.

In some embodiments, the locking member is close to the mounting member and is inclined towards one side of the connecting terminal, the inclined surface is inclined away from the connecting terminal, an end surface of the locking member, which is opposite to the connecting terminal, is formed by connecting two inclined surfaces, and a predetermined included angle is formed between the two inclined surfaces.

In some embodiments, the installation part is provided with a movable groove, the installation part is provided with two side walls which are oppositely arranged in the movable groove, the opposite positions of the two side walls are convexly provided with a convex shaft, the installation part can be accommodated in the movable groove, the installation part corresponds to the two positions of the convex shafts, and the convex shaft can be spliced and matched in the installation hole.

In some embodiments, an end of the mounting member facing away from the movable slot is configured to be planar, and the end of the mounting member facing the movable slot is spaced from the cutaway portion structure to form a plurality of cutaway portions.

The embodiment of the invention also provides an IO module which comprises the terminal locking structure.

The embodiment of the invention has the following beneficial effects:

according to the terminal locking structure in the above embodiment, the terminal locking structure is split, that is, the locking piece and the mounting piece are mutually independent, the mounting piece can drive the locking piece to move to the position buckled with the wiring terminal in the rotation process, and the locking piece can also drive the mounting piece to rotate in the movement process from the first position to the second position so as to drive the wiring terminal to move to the taking position, so that the normal installation and the taking of the wiring terminal can be realized. In the motion process of the locking piece and the mounting piece, relative rotation can also occur between the locking piece and the mounting piece, the terminal locking structure is integrally arranged in the related art, namely, the locking piece and the mounting piece are integrally connected, when the locking piece and the mounting piece in the related art move, the connecting part between the locking piece and the mounting piece rotates, the pulling force exists in the connecting part, the internal structure of the connecting part between the locking piece and the mounting piece can be damaged, the terminal locking structure is easy to break, normal use is influenced, the terminal locking structure is required to be replaced frequently, and the cost is increased. In the embodiment of the invention, the locking piece and the mounting piece are arranged in a split mode, when the locking piece and the mounting piece rotate relatively, the interior of the connecting part between the locking piece and the mounting piece is not pulled relatively to the prior art, the situation that the locking piece and the mounting piece cannot be used normally due to breakage is not easy to occur, the terminal locking structure is prevented from being replaced frequently, and the normal service life of the terminal locking structure is ensured.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 shows an exploded view of an IO module provided in accordance with the present invention;

FIG. 2 shows a schematic structural view of a retaining member provided in accordance with the present invention;

FIG. 3 shows a schematic structural view of a mount provided in accordance with the present invention;

FIG. 4 shows a cross-sectional view of an IO module provided in accordance with the present disclosure;

fig. 5 shows another cross-sectional view of an IO module provided in accordance with the present invention.

Description of main reference numerals:

1. a connection terminal; 11. a first fastening part; 12. a second fastening part; 2. a fixing seat; 21. a fixing part; 22. a mounting part; 221. a movable groove; 222. a sidewall; 2221. a protruding shaft; 223. a clamping plate; 2231. a cross bar; 3. a terminal locking structure; 31. a locking member; 311. a plug-in shaft; 312. a connecting wall; 313. a locking part; 3131. a locking edge; 314. a bump; 315. an elastic part; 32. a mounting member; 321. a connection part; 3211. a connection hole; 3212. an opening; 322. a mounting hole; 323. a cut-out.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

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. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The invention provides a terminal locking structure 3, which is applied to an IO module, wherein the IO module comprises a wiring terminal 1 and a fixing seat 2, and the terminal locking structure 3 is used for fixing the wiring terminal 1 on the fixing seat 2.

In one embodiment, referring to fig. 1, the fixing base 2 is used for installing the connection terminal 1, the whole terminal locking structure 3 needs to be fixed on the guide rail for use, and the fixing base 2 can also be used for fixing the whole terminal locking structure 3 on the guide rail, specifically how to fix the whole terminal locking structure 3 belongs to the prior art category, and is not described in the present invention too much.

Binding post 1 has first buckle portion 11 and the second buckle portion 12 that the interval set up, and first buckle portion 11 can buckle in the one end of fixing base 2, and when first buckle portion 11 buckle on fixing base 2, binding post 1 has the position of taking and fixed position relative to fixing base 2, and binding post 1 is located the position of taking, and handheld binding post 1 can break away from fixing base 2 with it, and binding post 1 is located the fixed position, can fix binding post 1 on fixing base 2 through the cooperation of terminal locking structure 3.

Specifically, the terminal locking structure 3 includes a locking member 31 and a mounting member 32, and the locking member 31 is configured to cooperate with the second fastening portion 12 to fix the terminal 1 located at the fixed position on the fixing base 2. Wherein, mounting piece 32 rotates to be connected on fixing base 2, and retaining member 31 relative fixing base 2 activity sets up and has first position and second position, is set up to mutually independent structure between retaining member 31 and the mounting piece 32, and mounting piece 32 can the butt retaining member 31 in the rotation in-process, and can drive retaining member 31 and move to the first position, and retaining member 31 can drive mounting piece 32 rotation again from the in-process of first position motion to the second position, and retaining member 31 moves to the in-process of first position and second position, and mounting piece 32 rotation direction is opposite. The locking member 31 and the mounting member 32 are capable of relative rotation on an axis parallel to the rotational axis of the mounting member 32 during movement.

It should be noted that, when the terminal 1 is mounted, the first fastening portion 11 needs to be fastened to the fixing portion 21 on the fixing base 2, where the first fastening portion 11 is preferably an arc-shaped hook structure, the fixing portion 21 is actually a hook slot formed at one end of the fixing base 2, or a cross bar disposed at one end of the fixing base 2, and the first fastening portion 11 can be hooked in the hook slot or on the cross bar. The drive connection terminal 1 can then be moved between the picking position and the fixed position.

The binding post 1 can be in the in-process of moving to fixed position, can butt on mounting 32, and can drive mounting 32 rotation, and mounting 32 rotates in this direction of rotation and can drive retaining member 31 to move to the first position this moment, and retaining member 31 can buckle on the second buckle portion 12 that is located fixed position when being located the first position in order to fix binding post 1 on fixing base 2.

The above-described mounting terminal 1 is based on the case where the locking member 31 is not located at the first position, in which case the terminal 1 is first brought into contact with the mounting member 32 during movement to the fixed position, and the mounting member 32 can be driven to rotate.

After the locking member 31 is separated from the second fastening portion, the locking member can abut against the mounting member 32 in the process of moving from the first position to the second position, and can drive the mounting member 32 to reversely rotate relative to the rotating direction, one end, in contact with the connecting terminal 1, of the mounting member 32 in the reverse rotation process can abut against the connecting terminal 1, and when the mounting member 32 continues to rotate, the end of the mounting member 32 can drive the connecting terminal 1 from the fixed position to the taking position.

It should be noted that the first fastening portion 11 and the second fastening portion of the connection terminal 1 are preferably disposed at two ends of the connection terminal 1.

Through setting up terminal locking structure 3 components of a whole that can function independently, namely set up to retaining member 31 and installed part 32 mutually independent, installed part 32 can drive retaining member 31 motion to the position with binding post 1 buckle in the rotation in-process, and retaining member 31 also can drive installed part 32 rotation in the motion of first position to the second position in-process to drive binding post 1 motion is to the position of taking, can realize binding post 1's normal installation and take. In the motion process of the locking piece 31 and the mounting piece 32, relative rotation can also occur between the locking piece 31 and the mounting piece 32, the terminal locking structure 3 is integrally arranged in the related art, namely, the locking piece 31 and the mounting piece 32 are integrally connected, when in motion, the connecting part between the locking piece 31 and the mounting piece 32 in the related art rotates, the pulling force exists in the connecting part, the internal structure of the connecting part between the locking piece 31 and the mounting piece can be damaged after a long time, the terminal locking structure 3 is easy to break, normal use is influenced, the terminal locking structure 3 is required to be replaced frequently, and the cost is increased. In the embodiment of the invention, the locking piece 31 and the mounting piece 32 are arranged in a split manner, when the locking piece 31 and the mounting piece 32 rotate relatively, the interior of the joint between the locking piece 31 and the mounting piece 32 is not pulled compared with the prior art, the situation that the locking piece 31 and the mounting piece 32 cannot be used normally due to fracture is not easy to occur, the terminal locking structure 3 is prevented from being replaced frequently, and the normal service life of the terminal locking structure 3 is ensured.

In one embodiment, referring to fig. 1 to 3, an inserting shaft 311 is disposed at one end of the locking member 31, a connecting portion 321 is disposed at one end of the mounting member 32, a connecting hole 3211 is formed on the connecting portion 321, the inserting shaft 311 can be inserted into the connecting hole 3211, the opening direction of the connecting hole 3211 is parallel to the rotation axis of the mounting member 32, and the inserting shaft 311 can be inserted into the connecting hole 3211 along the opening direction of the connecting hole 3211. The axis of the plugging shaft 311 is parallel to the rotation axis of the mounting member 32, and the connection portion 321 is rotatable about the plugging shaft 311, and the axis of rotation of the connection portion 321 is parallel to the axis of rotation of the mounting member 32.

The rotation axis of the mounting member 32 is spaced from the connecting portion 321, and preferably the rotation axis of the mounting member 32 is disposed at an intermediate position of the mounting member 32. Because the mounting member 32 is rotatably arranged, in the process of moving the locking member 31 from the first position to the second position, the plugging shaft 311 is abutted against the hole wall of the connecting hole 3211, and the mounting member 32 can be driven to rotate by the abutting action of the plugging shaft 311, and meanwhile, the plugging shaft 311 can rotate in the connecting hole 3211.

In a specific embodiment, the connection hole 3211 and the plugging shaft 311 are both cylindrically disposed, the connection hole 3211 is disposed along a straight line parallel to the rotation axis of the mounting member 32 penetrating the connection portion 321, and the connection hole 3211 has an opening 3212 perpendicular to the opening direction thereof. The opening 3212 is also provided to penetrate the connecting portion 321 in a direction in which the connecting hole 3211 opens.

On the other hand, the plugging shaft 311 is connected with the locking member 31 through the connecting wall 312, the connecting wall 312 is of a thin-wall structure, the thickness of the connecting wall 312 is smaller than the width of the opening 3212, when the plugging shaft 311 is plugged into the connecting hole 3211, the plugging shaft 311 can be aligned with the connecting hole 3211, the connecting wall 312 is aligned with the opening 3212, then the connecting shaft is plugged into the connecting hole 3211, and the connecting wall 312 can be arranged in the opening 3212 in a penetrating manner during the plugging of the plugging shaft 311 into the connecting hole 3211. The size of the plugging shaft 311 may be adapted to the size of the connection hole 3211 or may be slightly smaller than the size of the connection hole 3211. It should be noted that the locking member 31, the connecting wall 312 and the plugging shaft 311 are preferably integrally formed.

It should be noted that, the size of the opening 3212 is smaller than the size of the plugging shaft 311, and when the plugging shaft 311 is plugged into the connection hole 3211, the plugging shaft 311 can only enter and exit the connection hole 3211 along the path of the connection hole 3211, but cannot be separated from the connection hole 3211 at the opening 3212.

It is further noted that, the position of the connecting portion 321 near the opening 3212 is set to be an arc surface, more specifically, the connecting hole 3211 is formed by surrounding an arc-shaped hole wall, the opening 3212 has a hole wall, one end of the hole wall is connected to the hole wall of the connecting hole 3211, and the other end is connected to the surface of the connecting portion 321. In the setting, the mouth wall is preferably provided with an arc surface protruding outwards, and the connection position of the connection part 321 and the mouth wall is also provided with a corresponding arc surface, so that the mouth wall and the wall of the connection hole 3211 are smoothly connected.

The connection position of the locking piece 31 and the connecting wall 312 is provided with a chamfer, the connecting wall 312 and the opening wall of the opening 3212 are opposite to each other, when the connecting wall 312 is connected to the locking piece 31, one ends of the two sides are respectively connected with the surface of the plugging shaft 311, the other ends are respectively connected to the end surface of the locking piece 31, the side surfaces of the connecting wall 312 and the end surface of the locking piece 31 are connected through inclined surfaces, and the inclined surfaces form a chamfer structure. As can be seen, the beveled structures are disposed away from the opening 3212.

Through the above arrangement, when the connecting portion 321 rotates relative to the plugging shaft 311, the connecting wall 312 may abut against the opening 3212, and the positions of the opening 3212 and the connecting portion 321 close to the opening 3212 are all set to be arc surfaces, so that the contact between the connecting wall 312 and the arc surfaces is line contact, which is beneficial to reducing the contact area. More importantly, the cambered surface arrangement can provide a larger relative rotation angle between the connecting part 321 and the plug-in shaft 311, and can provide a certain yielding space as far as possible, so that mutual interference between the connecting wall 312 and the position of the opening 3212 is avoided. Furthermore, through the structure of cooperation chamfer, also can further provide the space of stepping down, avoid retaining member 31 and installation piece 32 relative rotation in-process to appear the dead phenomenon of card, the cambered surface setting in cooperation opening 3212 position increases the angle of relative rotation between them.

In one embodiment, referring to fig. 1, the fixing base 2 is provided with two spaced clamping plates 223 near the mounting portion 22, the two clamping plates 223 are disposed in parallel, and the locking member 31 can move in the gap between the two clamping plates 223. When the locking member 31 is located between the two clamping plates 223, the two ends of the plugging shaft 311 can respectively abut against the two clamping plates 223, that is, the clamping plates 223 are disposed on the path of the plugging shaft 311 separating from the connecting hole 3211, and the plugging shaft 311 can be prevented from separating from the connecting hole 3211 along the axis by the clamping plates 223. At the same time, the two clamping plates 223 also limit the position of the locking member 31 so that the locking member 31 can move within the space defined by the clamping plates 223.

It should be noted that, the opposite positions of the two clamping plates 223 are also provided with a cross bar 2231 in a protruding manner, two ends of the locking member 31 opposite to the two clamping plates 223 are provided with protruding blocks 314 in a protruding manner, and when the locking member 31 is located between the two clamping plates 223, the protruding blocks 314 are located below the cross bar 2231. The movement range of the locking member 31 is limited by the two clamping plates 223, the protruding block 314 can abut against the cross bar 2231 during the movement of the locking member 31, and the locking member 31 can be limited to be separated from the space between the two clamping plates 223 by the cooperation of the protruding block 314 and the cross bar 2231. If the coupling shaft 311 and the coupling portion 321 are separated from each other later, the locking member 31 can be prevented from being completely separated from the clamping plate 223 by the engagement between the bar 2231 and the protrusion 314.

In an embodiment, referring to fig. 1 to 3, the locking member 31 further includes a locking portion 313 and an elastic portion 315 disposed at intervals, where the locking portion 313 and the elastic portion 315 are located at one end of the locking member 31 away from the plugging shaft 311, and a V-shaped included angle is formed between the locking portion 313 and the elastic portion 315.

It should be noted that, the whole locking member 31 is preferably made of plastic material, so that the locking portion 313 and the elastic portion 315 have elasticity, and the clearance between the locking portion 313 and the elastic portion 315 can increase the space for yielding, so that the locking portion 313 and the elastic portion 315 can be deformed close to each other.

The locking part 313 is provided with a locking edge 3131 at one end far away from the locking member 31 and facing away from the elastic part 315, when the locking member 31 is located at the first position, the locking edge 3131 can be abutted against the second buckling part 12 located at the fixed position by utilizing the elastic force of the elastic part 315, so that the wiring terminal 1 is fixed on the fixed seat 2.

Specifically, in the initial state, the terminal 1 is located at the picking position, the first fastening portion 11 of the terminal is fastened on the fixing portion 21, and the locking member 31 may be located at the first position or the second position. If the locking member 31 is initially located at the second position, please refer to fig. 4, from the view point of the figure, the left end of the mounting member 32 is tilted, the right end is sunk, when the terminal 1 is driven to gradually move towards the fixed position, the terminal 1 will be first abutted against the left end of the mounting member 32, and the terminal 1 can push down the left end of the mounting member 32 to drive the mounting member 32 to rotate, so that the right end of the mounting member 32 is gradually tilted, and the locking member 31 is driven to move from the second position to the first position.

It should be noted that, when the terminal 1 is moved to the fixed position, the locking member 31 will be moved to the first position, and the locking member 31 is located in the gap between the terminal 1 and the fixing base 2. However, the second fastening portion and the locking edge 3131 are disposed opposite to each other, and the end of the elastic portion 315 abuts against the fixing base 2, and the locking edge 3131 blocks the second fastening portion to block the movement of the connection terminal 1 to the fixed position. At this time, only the locking portion 313 is required to be broken towards the elastic portion 315, the locking portion 313 and the elastic portion 315 can be deformed and close to each other, so that the second fastening portion can be bent, the terminal 1 can be smoothly moved to the fixed position, when the terminal 1 is moved to the fixed position (the lower end surface of the terminal 1 is attached to the upper end surface of the mounting member 32 at this time), the locking portion 313 is released, the locking portion 313 and the elastic portion 315 are restored to the original positions again by using elastic force, and the locking edge 3131 can be abutted to the second fastening portion, so that the terminal 1 is fixed on the fixing seat 2 (refer to fig. 5).

When the locking member 31 is initially located at the first position, the operation is more convenient, and only the locking portion 313 needs to be deformed by being broken towards the elastic portion 315. When the wiring terminal 1 needs to be taken down, the locking part 313 is required to be broken towards the elastic part 315 to deform, so that the locking edge 3131 is separated from the second buckling part 12, then the locking part 31 is driven to move to the second position, and the right end of the mounting part 32 can be driven to sink in the moving process of the locking part 31, so that the mounting part 32 is driven to rotate, the left end of the mounting part 32 is tilted upwards, and the wiring terminal 1 is driven to the taking position.

In one embodiment, the thickness of the locking member 31 (the dimension between the terminal 1 and the fixing base 2) is gradually reduced from the end far away from the plug-in shaft 311 to the end connected with the plug-in shaft 311, so that the locking member 31 can be more coordinated in overall view, and the material and cost can be reduced.

In addition, the locking member 31 is disposed as an inclined surface on a side close to the mounting member 32 and facing the terminal 1, the inclined surface is inclined away from the terminal 1, an end surface of the locking member 31 facing away from the terminal 1 is formed by connecting two inclined surfaces, and a predetermined included angle is formed between the two inclined surfaces, and the included angle is an obtuse angle. Through such setting, can provide a space of stepping down, prevent to take place the dead phenomenon of card between retaining member 31 and the other structures, can save materials again.

In one embodiment, the mounting portion 22 is provided with a movable slot 221, and the mounting portion 22 has two opposite side walls 222 in the movable slot 221, and a protruding shaft 2221 is protruding from a position opposite to the two side walls 222. The installation piece 32 can be contained in the movable groove 221, when the installation piece 32 is located in the movable groove 221, the protruding shafts 2221 are arranged opposite to the middle position of the installation piece 32, the installation holes 322 are formed in the positions, corresponding to the two protruding shafts 2221, of the installation piece 32, and the protruding shafts 2221 can be inserted and matched in the installation holes 322. The fitting of the boss 2221 to the mounting hole 322 enables the mounting member 32 to be rotatably set.

The end of the mounting member 32 facing away from the movable slot 221 is configured to be planar, and the end of the mounting member 32 facing toward the movable slot 221 is configured to be spaced apart from the cut-out portions 323 to form a plurality of cut-out portions 323. Since the material of the mounting member 32 is preferably a plastic material, if the dimension between the end of the mounting member 32 facing the terminal 1 and the end facing away from the terminal 1 is large, the end face is easily raised, and if the end face facing the terminal 1 is raised, the terminal 1 cannot smoothly move to the fixed position while moving to the fixed position, and the raised structure blocks the terminal 1, and subsequently also affects the connection between the locking edge 3131 and the second fastening portion 12.

The thickness of the mounting member 32 can be reduced by partially forming the cut-out 323 at the end facing away from the terminal 1, and the doming phenomenon can be avoided.

The invention also provides an IO module which comprises the terminal locking structure.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides a terminal locking structure, is applied to in the IO module, the IO module includes binding post and fixing base, terminal locking structure is used for with binding post is fixed on the fixing base, its characterized in that:

2. The terminal locking structure according to claim 1, wherein an insertion shaft is provided at one end of the locking member, a connecting portion is provided at one end of the mounting member, a connecting hole is provided in the connecting portion, the insertion shaft is capable of being inserted into the connecting hole, an axis of the insertion shaft is parallel to a rotation axis of the mounting member, and the connecting portion is capable of rotating around the insertion shaft.

3. The terminal locking structure according to claim 2, wherein the connection hole and the plugging shaft are both cylindrically provided, the connection hole penetrates through the connection portion, the connection hole has an opening perpendicular to the opening direction thereof, the plugging shaft is connected with the locking member through a connection wall, the thickness of the connection wall is smaller than the width of the opening, and the connection wall penetrates through the opening when the plugging shaft is plugged into the connection hole.

4. A terminal locking structure according to claim 3, wherein the position of the connecting portion near the opening is provided with an arc surface, and the position where the locking member and the connecting wall are connected is provided with a chamfer.

5. The terminal locking structure according to claim 2, wherein the fixing base is provided with two spaced clamping plates at a position close to the mounting portion, the locking member is movable in a gap between the two clamping plates, and two ends of the plugging shaft are respectively abutted against the two clamping plates so as to prevent the plugging shaft from being separated from the connecting hole along the axis.

6. The terminal locking structure according to claim 5, wherein the two clamping plates are provided with a cross bar at opposite positions, two ends of the locking member opposite to the two clamping plates are provided with protruding blocks, and the protruding blocks are arranged below the cross bar when the locking member is positioned between the two clamping plates.

7. The terminal locking structure according to claim 1, wherein the locking member further comprises a locking portion and an elastic portion, the locking portion is provided with a locking edge, and when the locking member is located at the first position, the locking edge can be abutted against the second buckling portion located at the fixed position by using the elastic force of the elastic portion, so that the connection terminal is fixed on the fixing base.

8. The terminal locking structure according to claim 1, wherein a side of the locking member, which is close to the mounting member and faces the terminal, is provided with an inclined surface, which is inclined away from the terminal, and an end surface of the locking member, which is opposite to the terminal, is formed by connecting two inclined surfaces, and a predetermined angle is formed between the two inclined surfaces.

9. The terminal locking structure according to claim 1, wherein the mounting portion is provided with a movable groove, the mounting portion is provided with two side walls arranged in the movable groove in an opposite manner, protruding shafts are protruding at positions opposite to the two side walls, the mounting member can be accommodated in the movable groove, the mounting member is provided with mounting holes corresponding to the two protruding shafts, and the protruding shafts can be inserted and matched in the mounting holes.

10. An IO module comprising a terminal locking structure according to any one of claims 1 to 9.