CN220066268U - Connection assembly - Google Patents

Abstract

A connection assembly comprising: a first element; a second element; the first positioning piece is fixed on the first element and comprises a first locking part and a first through hole surrounded by the first locking part; the first locking part is arranged on the first positioning piece and is sequentially provided with a first limiting part, a second limiting part and a first middle part for connecting the first limiting part and the second limiting part, the first limiting part is provided with a first width, the second limiting part is provided with a second width, the first middle part is provided with a third width, and the first through hole is provided with an initial width which is larger than the second width and smaller than the first width, so that the first limiting part is blocked on the first through hole to prevent the first locking part from being separated from the first element along the installation direction; when the first locking piece is locked on the second element, the first limiting part is propped against the first locking part to enable the first locking part to be subjected to plastic deformation, so that the first through hole has a final locking width smaller than the second width and larger than the third width, and the second limiting part is blocked on the first through hole to prevent the first locking piece from being separated from the first positioning piece.

Description

Connection assembly

[ field of technology ]

The utility model relates to a connecting component, in particular to a connecting component with stable lock catches.

[ background Art ]

The chinese application number CN201911240312.9 discloses a locking structure and a connector assembly, which includes a cover, four washers and four first fasteners, each washer extends inward from the inner edge thereof to form a plurality of second elastic pieces, the four washers are welded around four third through holes on the cover in one-to-one correspondence, and the elasticity of the second elastic pieces extending from the top to the bottom is utilized to rivet the four first fasteners into the four third through holes in one-to-one correspondence from the top to the bottom, so that the lower blocking portion of the first fasteners passes through the second elastic pieces downward. Because the first fastening piece is movably connected with the third through hole, the upper blocking part is abutted to the upper part of the gasket under the action of gravity, so that the first fastening piece cannot be separated from the cover body downwards, and the lower blocking part is oppositely arranged below the second elastic piece up and down, so that the first fastening piece cannot be separated from the cover body upwards.

In the above structure, there are the following problems:

1. the first fastener rivets downwards to the third through hole, and in the process that the lower blocking part downwards passes through the second elastic piece, the second elastic piece is elastically deformed to enable the lower blocking part to pass through the third through hole, and after the lower blocking part enters the third through hole, the second elastic piece rebounds to prevent the lower blocking part from being separated from the cover body upwards, but if the strength of the second elastic piece is not high, when the second elastic piece is elastically deformed, the second elastic piece can be broken to cause that the second elastic piece cannot rebound, so that the effect of preventing the lower blocking part from being separated from the cover body upwards can not be achieved.

2. Because the second elastic sheet is formed by extending from top to bottom in an inclined manner, and the gasket is in a downward inclined state after being assembled with the first fastening member, the displacement of the first fastening member in the up-down direction is small, and when the first fastening member and the gasket are transported or assembled with other structures, the first fastening member and the gasket are easy to collide due to the small displacement, so that the second elastic sheet is damaged, elasticity is lost, even the second elastic sheet is broken, and if the broken part falls on the electric connector, the electric connector and the chip module can be short-circuited.

Accordingly, there is a need for a new connection assembly that overcomes the above-described problems.

[ utility model ]

The utility model aims to provide a connecting assembly which can allow a locking piece to pass through when a positioning piece is in an initial state, and after the locking piece presses the positioning piece, the positioning piece is subjected to plastic deformation so as to mutually position the locking piece and the fixing piece.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a connection assembly, comprising: a first element comprising a through slot; a second element, a second locking piece is arranged on the second element along the assembly direction; the first positioning piece is fixed on the first element and comprises a first locking part and a first through hole surrounded by the first locking part, and the first through hole is communicated with the through groove; the first locking piece is arranged on the first positioning piece along an installation direction, and is sequentially provided with a first limiting part, a first middle part and a second limiting part along the installation direction, wherein the first middle part is connected with the first limiting part and the second limiting part; in the direction perpendicular to the installation direction, the first limiting part is provided with a first width, the second limiting part is provided with a second width, the first middle part is provided with a third width, the first through hole is provided with an initial width, the initial width is larger than the second width and smaller than the first width, so that the first limiting part is blocked at the first through hole to prevent the first locking piece from being separated from the first element along the installation direction, the first middle part is accommodated in the first through hole and the through groove, and the second limiting part penetrates out of the first through hole; the first locking part protrudes towards the first limiting part when the first through hole is in the initial width; when the first locking piece is locked on the second locking piece to enable the first element and the second element to be mutually fixed, the first limiting part is propped against the first locking part along the installation direction to enable the first locking part to be displaced along the installation direction to be subjected to plastic deformation, so that the first through hole has a final locking width in the direction perpendicular to the installation direction, and the final locking width is smaller than the second width and larger than the third width, and therefore the second limiting part is blocked on the first through hole to prevent the first locking piece from being separated from the first positioning piece in the direction opposite to the installation direction.

Further, the first locating piece includes two at least first locking portions and with first main part that first locking portion is connected, first main part is more first locking portion keep away from first through-hole, thereby adjacent two first locking portion interval sets up and forms a first notch, main part corresponds the position of first notch be equipped with the second notch of first notch intercommunication each other.

Further, in the mounting direction, a projection of the second recess is offset from a projection of the through groove, and a projection of the first body portion is offset from a projection of the through groove.

Further, each of the first locking portions has a circular arc-shaped first chamfer, and the first chamfer is connected with the first notch.

Further, the first positioning piece further comprises a first main body part connected with the first locking part, the first main body part is far away from the first through hole compared with the first locking part, and before plastic deformation of the first locking part, an included angle theta between the first locking part and the first main body part is larger than 90 degrees and smaller than 180 degrees.

Further, the first positioning piece further comprises a first main body part connected with the first locking part, the first main body part is far away from the first through hole compared with the first locking part, and after the first locking part is subjected to plastic deformation, the first locking part and the first main body part are located on the same plane.

Further, two opposite sides of the first element are provided with a pivoting part and an end part, the pivoting part is pivoted with the second element, and the end part is positioned above the second element; the first locking pieces are provided with a plurality of screws, the second locking pieces are provided with a plurality of nuts, the nuts are respectively defined as pre-locking nuts and locking nuts according to functions, the upper surface of each pre-locking nut is higher than that of each locking nut, each pre-locking nut is arranged at the end part, the corresponding first locking piece is pre-locked with the corresponding pre-locking nut, and the corresponding first locking piece is locked with the corresponding locking nut.

Further, the first element is provided with a concave part in a downward concave way, a pivoting part is formed by bending downwards from the bottom surface of the concave part, the second element is provided with a convex part, a pivot is inserted into the convex part, and the pivoting part is pivoted with the pivot; the connection assembly further includes a dust cap mounted to the first member, the dust cap having a gripping portion located directly above the recess.

Further, the connecting assembly further comprises a dust cover mounted on the first element, the dust cover is provided with a body part, left and right side edges and two connecting parts formed by extending forwards in an inclined mode and deviating from each other from the two side edges, a buckling part extends downwards from each connecting part, a notch is formed between each connecting part and the body part, and the two buckling parts are buckled on the first element.

Further, the connecting assembly further comprises a second positioning piece fixed on the second element, the second positioning piece comprises a second locking part and a second through hole surrounded by the second locking part, and the second through hole is communicated with the groove of the second positioning piece; the second locking piece matched with the second positioning piece is sequentially provided with a third limiting part, a second middle part and a fourth limiting part along the assembly direction, and the second middle part is connected with the third limiting part and the fourth limiting part; in the direction perpendicular to the assembly direction, the third limiting part has a fourth width, the fourth limiting part has a fifth width, the second middle part has a sixth width, the second through hole has an initial width, the initial width is greater than the fifth width and smaller than the fourth width, so that the third limiting part is blocked by the second through hole to prevent the second locking piece from being separated from the second element along the assembly direction, the second middle part is accommodated in the second through hole and the slot, and the fourth limiting part penetrates out of the second through hole; the second locking part protrudes towards the third limiting part when the second through hole is in the initial width; when the second positioning piece is placed on the second element and then the second locking piece matched with the second positioning piece is mounted on the second element, the third limiting part is propped against the second locking part along the assembly direction, so that the second locking part is displaced along the assembly direction and is subjected to plastic deformation, the second through hole has a final locking width in the direction perpendicular to the assembly direction, and the final locking width is smaller than the fifth width and larger than the sixth width, so that the fourth limiting part is blocked in the second through hole to prevent the second locking piece from being separated from the second positioning piece in the back of the assembly direction.

Further, the second positioning piece comprises at least two second locking parts and a second main body part connected with the second locking parts, the second main body part is far away from the second through hole compared with the second locking parts, two adjacent second locking parts are arranged at intervals to form a third notch, and a fourth notch communicated with the third notch is arranged at the position of the second main body part corresponding to the third notch.

Further, in the assembly direction, a projection of the fourth recess is offset from a projection of the slot, and a projection of the second body portion is offset from a projection of the slot.

Further, the fourth notch is gradually expanded in a direction away from the third notch, the fourth notch is provided with a second arc-shaped portion, and the second main body portion and the second locking portion are in transitional connection through the second arc-shaped portion.

Further, each second locking portion has a circular arc-shaped second chamfer, and the second chamfer is connected with the third notch.

Further, the second positioning member further comprises a cylinder portion, a nut is installed in the second element, and the cylinder portion is sleeved on the nut and stops the nut from being displaced back to the installation direction.

Compared with the prior art, the utility model has the following beneficial effects:

the first locking part protrudes towards the first limiting part when the first through hole is in the initial width; when the first locking piece is locked on the second piece to enable the first piece and the second piece to be mutually fixed, the first limiting part is pressed against the first locking part along the installation direction, so that the first locking part is subjected to plastic deformation in the installation direction, the first locking part after plastic deformation cannot rebound, the first through hole has a final locking width in the direction perpendicular to the installation direction, and the final locking width is smaller than the second width, therefore, the second limiting part is blocked on the first through hole to prevent the first locking piece from being separated from the first positioning piece back to the installation direction, the final locking width is larger than the third width, so that the first positioning piece positioned at the middle part can have a certain movable space at the position of the first middle part, and the first locking part is prevented from being damaged due to the fact that the first piece impacts the first positioning piece in the transportation process; in addition, plastic deformation makes the first locking part can not rebound after deformation, so that the first locking piece and the first positioning piece are reliably assembled, and the first locking piece can be stably limited in the first positioning piece and can not be separated.

[ description of the drawings ]

FIG. 1 is a perspective view of a connector assembly of the present utility model;

FIG. 2 is a perspective assembly view of the connection assembly of FIG. 1 from another perspective;

FIG. 3 is a partially exploded view of the connection assembly of FIG. 1;

FIG. 4 is a partially exploded view of the dust cap, first member, first positioning member and first locking member;

FIG. 5 is a schematic view showing the first locking member assembled from the first member to the first positioning member and plastically deformed;

FIG. 6 is an enlarged view at A in FIG. 5;

FIG. 7 is a perspective view of the first positioning member;

FIG. 8 is a top view of the first positioning member secured to the first member (only a portion of the first member is shown);

FIG. 9 is a partially exploded view of the second member, second retainer, second locking member, nut Q;

FIG. 10 is a schematic view of the second locking member assembled to the second component;

FIG. 11 is a perspective view of the second positioning member;

FIG. 12 is a top view of the second positioning member placed on the second member (only a portion of the second member is shown);

FIG. 13 is a partial cross-sectional view of the first member after locking with the second member;

fig. 14 is a partial cross-sectional view of the second element (only the second locking member, the second fixing member, and the nut are shown and only the cross-sectional view at the position of the nut Q is shown) and an enlarged view at the nut Q.

Reference numerals of the specific embodiments illustrate:

[ detailed description ] of the utility model

For a better understanding of the utility model with objects, structures, features, and effects, the utility model will be described further with reference to the drawings and to the detailed description.

For better understanding, referring to the drawings, an installation direction of the connection assembly 100 of the present utility model is a lower direction of the upper and lower directions, i.e., a positive Y-axis direction, an assembly direction is an upper direction of the upper and lower directions, i.e., a negative Y-axis direction, an X-axis represents a left-right direction, an X-positive X-axis represents a left-right direction, a Z-axis represents a front-back direction, and a positive Z-axis represents a front direction, and the directions of the embodiments of the present utility model are all described below by using the upper and lower directions, the left and right directions, and the front and back directions.

As shown in fig. 1 to 14, the connecting assembly 100 according to the present utility model comprises a first element 1 and a second element 2 mated with the first element 1, wherein a plurality of first positioning members 3, a plurality of first locking members 4 and a plurality of through slots 11 are mounted on the first element 1, wherein the number of through slots 11, the number of first positioning members 3 and the number of first locking members 4 are mutually corresponding, the through slots 11 penetrate the first element 1 in the up-down direction, a plurality of second positioning members 5, a plurality of second locking members 6 and a plurality of grooves 21 are provided on the second element 2, wherein the number of grooves 21, the number of second positioning members 5 and the number of second locking members 6 are mutually corresponding, the grooves 21 penetrate the second element 2 in the up-down direction, and the first element 1 and the second element 2 are mutually locked by the first locking members 4 and the second locking members 6; a dust cover 7 is further fastened above the first element 1, and the dust cover 7 has a gripping portion 71, and the gripping portion 71 protrudes upward.

As shown in fig. 3 to 5, each of the first locking members 4 includes a first limiting portion 41, a middle portion located below the first limiting portion 41, and a second limiting portion 42 located below the middle portion, where the first limiting portion 41 has a first width H1 in the front-rear direction (other embodiments may also be in the left-right direction), the second limiting portion 42 has a second width H2 smaller than the first width H1, and the middle portion has a third width H3 smaller than the second width H2; in this embodiment, the first locking member 4 is a screw, but in other examples, it may be other components with fixing functions.

As shown in fig. 4, 7 and 8, each first positioning member 3 includes a plurality of first locking portions 31, a first through hole 32 surrounded by the first locking portions 31, and a first main body portion 33 connected to the first locking portions 31, the first main body portion 33 is further away from the first through hole 32 than the first locking portions 31, each two first locking portions 31 are spaced apart to form a first notch 34, a second notch 35 communicating with the first notch 34 is provided at a position of the first main body portion 33 corresponding to the first notch 34, wherein each first locking portion 31 has a circular arc-shaped first chamfer 311, the first chamfer 311 is connected to the first notch 34, and the second notch 35 has a first arc-shaped portion 351, and the first arc-shaped portion 351 is connected to the first main body portion 33; in this embodiment, the first positioning member 3 is a washer (not necessarily circular, but may have other shapes) made of metal, and may be any other member capable of achieving the same function as the washer.

As shown in fig. 5, when the first locking member 4 is assembled to the first positioning member 3 downward, in this embodiment, in the front-rear direction (other embodiments may also be in the left-right direction), the first through hole 32 has an initial width W1, the initial width W1 is greater than the second width H2 and smaller than the first width H1, so that the first limiting portion 41 is stopped at the first through hole 32 to prevent the first locking member 4 from being separated from the first element 1 downward, the second limiting portion 42 may pass through the first through hole 32, that is, the size of the first through hole 32 allows the second limiting portion 42 to pass through the first positioning member 3, but does not allow the first limiting portion 41 to pass through the first positioning member 3 downward, at this time, a portion of the first intermediate portion 43 is accommodated in the first through hole 32 and the through slot 11, the first locking portion 31 is prevented from being separated from the first element 1 downward, and the second limiting portion 31 is prevented from being separated from the first projecting portion 11 downward, and the projecting portion 31 is prevented from being separated from the projecting portion 11 upward, and the projecting portion is prevented from the projecting portion 11 is also prevented from being separated from the projecting portion 11 downward; it should be noted that, in the embodiment where the first locking member 4 is assembled downward to the first positioning member 3 and the first locking portion 31 abuts against the first limiting portion 41 upward, the first locking member 4 is a screw, and the weight of the screw does not deform the first locking portion 31 in the vertical direction or only slightly and negligibly deforms, so that the first through hole 32 is considered to be still at the initial width W1.

As shown in fig. 3, 9 and 10, each of the second locking members 6 includes a third limiting portion 61, a second middle portion 63 located above the third limiting portion 61, and a fourth limiting portion 62 located above the second middle portion 63, wherein a fourth width H1 of the third limiting portion 61 is greater than a fifth width H2 of the fourth limiting portion 62 in the left-right direction and/or the front-rear direction, and a fifth width H2 of the fourth limiting portion 62 is greater than a sixth width H3 of the second middle portion 63.

As shown in fig. 11, 12 and 14, each second positioning member 5 includes a plurality of second locking portions 51, a second through hole 52 surrounded by the second locking portions 51, and a second main body portion 53 connected to the second locking portions 51, the second main body portion 53 is farther from the second through hole 52 than the second locking portions 51, each second locking portion 51 is provided with a third notch 54 at intervals, a fourth notch 55 communicating with the third notch 54 is provided at a position of the second main body portion 53 corresponding to the third notch 54, the fourth notch 55 is gradually expanded in a direction away from the third notch 54, the fourth notch 55 has a second arc-shaped portion 551, the second main body portion 53 and the second locking portions 51 are transitionally connected by the second arc-shaped portion 551, further each second locking portion 51 includes a second chamfer 511 having a circular arc shape, and the second chamfer 511 is connected to the third notch 54; in addition, the second positioning member 5 further includes a barrel portion 56, a nut Q is inserted into the second member 2 from top to bottom, the barrel portion 56 is sleeved on the nut Q, so as to position the nut Q on the second member 2, the nut Q has a sixth limiting portion Q, the barrel portion 56 has a stopping portion 561, the stopping portion 561 stops the sixth limiting portion Q downward to limit the nut Q from being separated from the barrel portion 56, the second member 2 stops the sixth limiting portion Q upward to limit the nut Q from being separated from the second member 2 downward, but it should be noted that the nut Q can still be displaced up and down in the barrel portion 56, i.e. the nut Q is accommodated in the barrel portion 56 and is capable of moving up and down, and the nut Q is used for locking with a stud (not shown) on a back plate located under a circuit board (not shown) so as to fix the second member 2 and the circuit board (not shown).

As shown in fig. 10, when the second locking member 6 is assembled to the second positioning member 5 in the upward direction, the second through hole 52 has an initial width W1 (note that, although the initial width W1 of the second through hole 52 is identical to the initial width W1 of the first through hole 32, the "initial width" is merely a state indicating that the first through hole 32 and the second through hole 52, the value of the initial width W1 of the first through hole 32 and the second through hole 52 cannot be considered to be equal), the initial width W1 is greater than the fifth width H2 and smaller than the fourth width H1, such that the third stopper 61 is stopped by the second through hole 52 to prevent the second locking member 6 from being separated upward from the second element 2, in other words, the large and small parts 62 of the second through hole 52 are allowed to pass through the second stopper 52 and the second stopper 61 is also to be stopped by the second stopper 61, and the projection of the second stopper 61 is not allowed to be separated from the second stopper 61 is stopped by the second stopper 52, and the projection of the second stopper 61 is not allowed to be stopped by the projection of the second stopper 61 is stopped by the fourth stopper 61, and the projection of the second stopper 61 is stopped by the fourth stopper 51, and the projection of the second stopper 21 is positioned in the downward direction of the second groove 51, and the second stopper 51 is stopped by the projection of the second stopper 21 is stopped by the second stopper 51; it should be noted that in this embodiment, the second positioning member 5 actually further has a fifth limiting portion 64, and the fifth limiting portion 64 is hard interfered with the side wall of the slot 21 of the second element 2, so as to further position the second locking member 6 on the second element 2.

As shown in fig. 1 to 14, the assembling method of the connection assembly 100 is described in further detail:

for the first element 1 (as shown in fig. 3 to 5):

in the first step, the first positioning member 3 is fixed to the first element 1 by spot welding or adhesion, etc. by a technique known to those skilled in the art, and the first through hole 32 of the first positioning member 3 at this time has an initial width W1, and the first through hole 32 and the through groove 11 communicate with each other in the up-down direction.

Second step after the first step, the first locking member 4 is mounted on the first element 1 to which the first positioning member 3 is fixed, that is, the first locking member 4 is mounted in the first through hole 32 and the through groove 11 from top to bottom, so that the second limiting portion 42 passes through the first through hole 32 and the through groove 11 (it is noted that the width of the through groove 11 is the width that allows the second limiting portion 42 to pass through), and after the mounting is completed, the first limiting portion 41 abuts downward against the first locking portion 31, the first locking portion 31 protrudes in the direction of the first limiting portion 41, and the first intermediate portion 43 is located in the first through hole 32, so that the first locking member 4 cannot move downward further to be separated from the first positioning member 3 because the first width H1 is greater than the initial width W1.

After the second step, the first limiting portion 41 is riveted downward by a jig (not shown), so that the first limiting portion 41 is pressed downward against the first locking portion 31, the first locking portion is simultaneously subjected to the pressing force of the first limiting portion 41 and the pressing force transmitted by the jig through the first limiting portion 41, so that the first locking portion is moved downward to generate plastic deformation (i.e. no rebound occurs after deformation), at this time, the first through hole 32 has a final locking width W2, and the final locking width W2 is smaller than the second width H2 and larger than the third width H3, so that the second limiting portion 42 cannot be moved upward any more to be separated from the first positioning member 3, so that the first positioning member 3 is limited between the first limiting portion 41 and the second limiting portion 42, in other words, the first locking member 4 is fixed on the first element 1 by the first positioning member 3.

Note that, before the first locking portion 31 is plastically deformed, the angle θ between the first locking portion 31 and the first main body portion 33 is greater than 90 degrees and less than 180 degrees, so that the first locking portion 31 may be deformed in a desired direction, and in addition, the "before plastic deformation" herein may actually include a process in which the first locking portion 31 is deformed, in other words, a process in which the width of the first through hole 32 does not reach a final locking width W2 at which the second limiting portion 42 may be locked; however, in the case where the first locking portion 31 and the first body portion 33 are located on the same plane after the plastic deformation of the first locking portion 31 is the preferred embodiment, it is needless to say that in other embodiments or in the case where there is a deformation error, other angles than 180 degrees may exist between the first locking portion 31 and the first body portion 33, as long as it is satisfied that at this time, rebound does not occur in the first locking portion 31 and the first through hole 32 does not allow the second stopper portion 42 to be separated upward.

In summary, the first element 1, the first positioning member 3, and the first locking member 4 are assembled.

For the second element 2 (as shown in fig. 4, 9 and 10):

in the first step, the second positioning member 5 is placed on the second member 2 such that the second through hole 52 and the slit 21 communicate with each other in the up-down direction, and the second positioning member 5 is pressed by a jig (not shown) (note that only the second positioning member 5 is placed on the second member 2 at this time, the second positioning member 5 is not fixed to the second member 2).

Second step after the first step, the second locking member 6 is riveted into the second component 2 from bottom to top, so that the fourth limiting portion 62 of the second locking member 6 passes through the slot 21 and the second through hole 52 and is located above the second locking portion 51, the third limiting portion 61 presses the second locking portion 51 upwards, the second locking portion 51 moves upwards to generate plastic deformation (i.e. no rebound occurs after deformation), at this time, the second through hole 52 is in a final locking width W2 (note that although the term adopted by the final locking width W2 of the second through hole 52 is consistent with the final locking width W2 of the first through hole 32, the "final locking width" merely indicates the state of the first through hole 32 and the second through hole 52, the value of the final locking width W2 of the first through hole 32 and the second through hole 52 cannot be considered to be equal), the final locking width W2 is smaller than the fifth locking width W2 and is larger than the sixth locking width W2 of the second through hole 52, and thus the second locking member 52 is prevented from being located away from the second component 5 in the second locking member 6, and the second locking member 52 is prevented from being assembled to the second component 5.

Note that, before the second locking portion 51 is plastically deformed, the angle θ between the second locking portion 51 and the second main body portion 53 is greater than 90 degrees and less than 180 degrees, so that the second locking portion 51 may be deformed in a desired direction, and in addition, the "before plastic deformation" herein may actually include a process in which the second locking portion 51 is deformed, in other words, a process in which the width of the second through hole 52 does not reach the final locking width W2 that can lock the fourth limiting portion 62; however, in the case where the second locking portion 51 and the second body portion 53 are located on the same plane after the plastic deformation of the second locking portion 51 is the preferred embodiment, it is needless to say that in other embodiments or in the case where there is a deformation error, other angles than 180 degrees may exist between the second locking portion 51 and the second body portion 53, as long as it is satisfied that at this time, rebound does not occur in the second locking portion 51 and the second through hole 52 does not allow the fourth limiting portion 62 to be separated upward.

In summary, the second element 2, the second positioning member 5 and the second locking member 6 are assembled.

It should be noted that the assembly of the first element 1, the first positioning member 3, the first locking member 4 and the assembly of the second element 2, the second positioning member 5, and the second locking member 6 may be performed sequentially or simultaneously, which is not limited in the present utility model.

As shown in fig. 1, 2 and 14, the first element 1 is configured to press down a chip module (not shown) and includes a recess 12 formed by recessing downward, a pivot portion 13 formed by bending downward from the bottom surface of the recess 12, and an end portion 14, wherein the pivot portion 13 and the end portion 14 are located on front and rear sides of the first element 1, the end portion 14 is located above the second element 2, the pivot portion 13 is pivoted to the second element 2 through a pivot P, in this embodiment, the second locking member 6 is a nut, and is functionally defined as a pre-lock nut M and a lock nut N, the upper surface of the pre-lock nut M is higher than the upper surface of the lock nut N, and the pre-lock nut M is mounted on the end portion 14, in this embodiment, four of the lock nuts N are located on left and right sides of the end portion 14, and two other two are located on left and right sides of the pre-lock nut M.

As shown in fig. 3 and 9, the second member 2 is provided with a frame opening 23 and a projection 22. The frame opening 23 is configured to receive a connector, the connector is configured to be soldered to a circuit board, and the second component 2 is located on the circuit board. The pivot P is inserted into the protruding portion 22, the pivoting portion 13 is pivoted to the pivot P, and the gripping portion 71 is located right above the recess 12.

As shown in fig. 1, 3 and 4, the dust cover 7 has left and right sides, two connecting portions 72 are formed by extending obliquely forward from the two sides, a fastening portion 73 is extended downward from each connecting portion 72, a gap 74 is provided between each connecting portion 72 and the main body 75, and the two fastening portions 73 are fastened to the first element 1.

As shown in fig. 3 and 13, after the first element 1, the first positioning member 3, and the first locking member 4 are assembled and after the second element 2, the second positioning member 5, and the second locking member 6 are assembled, the first element 1 to which the first positioning member 3 and the first locking member 4 are fixed and the second element 2 to which the second positioning member 5 and the second locking member 6 are fixed. When in use, the utility model is characterized in that:

The first element 1 is in an open state, and a chip module (not shown) is placed on the connector; rotating the first element 1 again to cover the first element 1 on the chip module; then, the first locking piece 4 corresponding to the pre-locking piece and the pre-locking piece are pre-locked first, at this time, the chip module does not press the conductive terminal (not shown) in the connector to a final position, so as to avoid damage caused by unbalanced stress of the terminal in the connector due to unbalanced pressure, and then the first locking piece 4 corresponding to the locking piece and the locking piece are locked again, at this time, the first element 1 moves downwards, so that the chip module presses the conductive terminal to the final position.

In summary, the connector of the utility model has the following advantages:

1. the first locking portion 31 protrudes toward the first limiting portion 41 when the first through hole 32 is at the initial width W1; when the first locking member 4 is locked to the second member 2 to fix the first member 1 and the second member 2 to each other, the first limiting portion 41 presses the first locking portion 31 along the mounting direction, so that the first locking portion 31 is displaced along the mounting direction to be plastically deformed, the plastically deformed first locking portion 31 does not rebound, so that the first through hole 32 has a final locking width W2 in a direction perpendicular to the mounting direction, and the final locking width W2 is smaller than the second width H2, so that the second limiting portion 42 is blocked by the first through hole 32 to prevent the first locking member 4 from being separated from the first positioning member 3 in a direction opposite to the mounting direction, and the final locking width W2 is larger than the third width H3, so that the first positioning member 3 located at the middle portion can have a certain movable space at a position of the first middle portion 43, and the first positioning member 4 is prevented from being damaged due to the first locking member 3 being impacted by the first locking member 4 during the transportation process; in addition, the plastic deformation makes the first locking portion 31 not rebound after being deformed, so that the first locking member 4 and the first positioning member 3 are assembled reliably, and the first locking member 4 can be stably limited in the first positioning member 3 and cannot be separated; the technical effects of the related structure of the second positioning member 5 are the same as those described above, and will not be described again.

2. The first notch 34 is disposed between the two first locking portions 31, so that the first positioning member 3 is not excessively stretched when the first locking portions 31 are formed (that is, protruding towards the direction of the first limiting portion 41), the first positioning member 3 is prevented from being excessively stretched in the process of forming the first locking portions 31 to cause metal lines to break, so that the strength of the first positioning member 3 is affected, the second notch 35 is disposed, so that the first locking portions 31 protruding towards the first limiting portions 41 are easier to form, and the second notch 35 can also disperse stress generated to the first main body portion 33 due to the protruding of the first locking portions 31, so that the first main body portion 33 is prevented from being deformed due to the pulling force in the protruding process of the first locking portions 31; the third recess 54 and the fourth recess 55 of the second positioning member 5 have the same effects as the first recess 34 and the second recess 35, and will not be described again.

3. In the process of forming the protrusion of the second locking portion 51 toward the third limiting portion 61, the fourth notch 55 is gradually widened toward a direction away from the third notch 54, so that when the second locking portion 51 is subjected to the pulling force in the forming process of the protrusion, the pulling force is conducted from a side of the second locking portion 51, which is close to the third notch 54, to a side of the second main portion 53, which is close to the fourth notch 55, and the conducting path of the pulling force is prolonged, so that the pulling force can be more dispersed in a longer conducting path in the conducting process, and the second positioning member 5 is not easily damaged at the position of the fourth notch 55.

4. In general, when the first limiting portion 41 presses the first locking portion 31 in a direction approaching the second limiting portion 42, the first locking portion 31 is deformed by force, and the first positioning member 3 is provided with a first notch 34 between the two first locking portions 31, such that the shape of the first locking portion 31 near the first notch 34 is changed sharply, the stress is concentrated therein, and in order to disperse the stress concentrated therein, a circular arc-shaped first chamfer 311 is provided, such that the shape of the first locking portion 31 near the first notch 34 is gentle due to the transition of the first chamfer 311, and the stress concentrated therein is dispersed, such that the stability of the first locking portion 31 in the transition from the initial state to the final locking state and the strength of the first positioning member 3 at the first locking portion 31 are ensured; the second chamfer 511 of the second positioning member 5 has the same effect as the first chamfer 311, and will not be described again.

5. The first locking portion 31 and the first main body portion 33 are located on the same plane, at this time, the width of the first locking portion 31 in the up-down direction is the smallest, so that the displacement space of the first positioning member 3 on the first middle portion 43 of the first locking member 4 is the largest, so that during transportation, it is easier to further avoid that the first positioning member 3 is damaged and the first locking member 4 falls off due to the impact between the first locking member 4 and the first positioning member 3.

6. The first locking portion 31 is displaced in a direction approaching the second limiting portion 42 by the pressing force of the first limiting portion 41, so that in order to ensure the deformation amount of the first locking portion 31, the through groove 11 on the first element 1 provides a sufficient deformation space for the first locking portion, and in order to avoid that the deformation amount of the first body portion 33 is also deformed by the pressing force of the second limiting portion 42, so that the first locking portion 31 cannot deform as desired (the desired deformation here means that the initial width W1 of the first through hole 32 can be reduced after the first locking portion 31 is displaced to approach the second limiting portion 42), that is, if the deformation of the first locking portion 31 is uncontrollable and not desired, the initial width W1 cannot be contracted into the final locking width W2, so that the deformation amount of the first body portion 33 must be controlled, that is, in the up-down direction, so that the projection of the first body portion 33 and the through groove 11 can be deformed as desired can be ensured, and the first locking portion 31 can be deformed as desired.

7. The gripping portion 71 of the dust cover 7 is located right above the recess 12, and the recess space formed by the recess 12, which is concave due to the pivoting, is utilized to cooperate with the gripping portion 71, so that the space inside the connection assembly 100 can achieve the maximum utilization rate.

8. The dust cover 7 has left and right sides, and two connecting parts 72 are formed by extending forwards and obliquely away from the two sides, so that the volume of the dust cover 7 is minimized on the premise that the chip module can be covered, and the cost is saved; a buckling part 73 extends downwards from each connecting part 72, a notch 74 is arranged between each connecting part 72 and the body part 75, the two buckling parts 73 are buckled with the first element 1, and the elasticity of the buckling parts 73 is increased due to the arrangement of the notches 74, so that the dust cover 7 and the first element 1 are buckled and disassembled easily and are not easy to damage.

The above detailed description is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, therefore, all changes that may be made in the equivalent technology using the present specification and illustrations are intended to be included in the scope of the utility model.

Claims (15)

1. A connection assembly, comprising:

a first element comprising a through slot;

a second element, a second locking piece is arranged on the second element along the assembly direction;

the first positioning piece is fixed on the first element and comprises a first locking part and a first through hole surrounded by the first locking part, and the first through hole is communicated with the through groove;

The first locking piece is arranged on the first positioning piece along an installation direction, and is sequentially provided with a first limiting part, a first middle part and a second limiting part along the installation direction, wherein the first middle part is connected with the first limiting part and the second limiting part; in the direction perpendicular to the installation direction, the first limiting part is provided with a first width, the second limiting part is provided with a second width, the first middle part is provided with a third width, the first through hole is provided with an initial width, the initial width is larger than the second width and smaller than the first width, so that the first limiting part is blocked at the first through hole to prevent the first locking piece from being separated from the first element along the installation direction, the first middle part is accommodated in the first through hole and the through groove, and the second limiting part penetrates out of the first through hole; the first locking part protrudes towards the first limiting part when the first through hole is in the initial width;

when the first locking piece is locked on the second locking piece to enable the first element and the second element to be mutually fixed, the first limiting part is propped against the first locking part along the installation direction to enable the first locking part to be displaced along the installation direction to be subjected to plastic deformation, so that the first through hole has a final locking width in the direction perpendicular to the installation direction, and the final locking width is smaller than the second width and larger than the third width, and therefore the second limiting part is blocked on the first through hole to prevent the first locking piece from being separated from the first positioning piece in the direction opposite to the installation direction.

2. The connection assembly of claim 1, wherein: the first locating piece comprises at least two first locking parts and a first main body part connected with the first locking parts, the first main body part is far away from the first through hole compared with the first locking parts, two adjacent first locking parts are arranged at intervals to form a first notch, and a second notch communicated with the first notch is arranged at the position of the main body part corresponding to the first notch.

3. The connection assembly of claim 2, wherein: in the installation direction, the projection of the second notch is staggered with the projection of the through groove, and the projection of the first main body part is staggered with the projection of the through groove.

4. The connection assembly of claim 2, wherein: each first locking part is provided with a circular arc-shaped first chamfer, and the first chamfer is connected with the first notch.

5. The connection assembly of claim 1, wherein: the first positioning piece further comprises a first main body part connected with the first locking part, the first main body part is far away from the first through hole compared with the first locking part, and an included angle theta between the first locking part and the first main body part is larger than 90 degrees and smaller than 180 degrees before plastic deformation of the first locking part occurs.

6. The connection assembly of claim 1, wherein: the first positioning piece further comprises a first main body part connected with the first locking part, the first main body part is far away from the first through hole compared with the first locking part, and after the first locking part is subjected to plastic deformation, the first locking part and the first main body part are located on the same plane.

7. The connection assembly of claim 1, wherein: the two opposite sides of the first element are provided with a pivoting part and an end part, the pivoting part is pivoted with the second element, and the end part is positioned above the second element; the first locking pieces are provided with a plurality of screws, the second locking pieces are provided with a plurality of nuts, the nuts are respectively defined as pre-locking nuts and locking nuts according to functions, the upper surface of each pre-locking nut is higher than that of each locking nut, each pre-locking nut is arranged at the end part, the corresponding first locking piece is pre-locked with the corresponding pre-locking nut, and the corresponding first locking piece is locked with the corresponding locking nut.

8. The connection assembly of claim 1, wherein: the first element is provided with a concave part in a downward concave way, a pivoting part is formed by bending downwards from the bottom surface of the concave part, the second element is provided with a convex part, a pivot is inserted in the convex part, and the pivoting part is pivoted with the pivot; the connection assembly further includes a dust cap mounted to the first member, the dust cap having a gripping portion located directly above the recess.

9. The connection assembly of claim 1, wherein: the connecting assembly further comprises a dust cover arranged on the first element, the dust cover is provided with a body part, left and right side edges and two connecting parts which are formed by extending forwards in a tilting mode and deviating from each other, each connecting part downwards extends to form a buckling part, a notch is formed between each connecting part and the body part, and the two buckling parts are buckled on the first element.

10. The connection assembly of claim 1, wherein: the connecting assembly further comprises a second positioning piece fixed on the second element, the second positioning piece comprises a second locking part and a second through hole surrounded by the second locking part, and the second through hole is communicated with the groove of the second positioning piece;

the second locking piece matched with the second positioning piece is sequentially provided with a third limiting part, a second middle part and a fourth limiting part along the assembly direction, and the second middle part is connected with the third limiting part and the fourth limiting part; in the direction perpendicular to the assembly direction, the third limiting part has a fourth width, the fourth limiting part has a fifth width, the second middle part has a sixth width, the second through hole has an initial width, the initial width is greater than the fifth width and smaller than the fourth width, so that the third limiting part is blocked by the second through hole to prevent the second locking piece from being separated from the second element along the assembly direction, the second middle part is accommodated in the second through hole and the slot, and the fourth limiting part penetrates out of the second through hole; the second locking part protrudes towards the third limiting part when the second through hole is in the initial width;

When the second positioning piece is placed on the second element and then the second locking piece matched with the second positioning piece is mounted on the second element, the third limiting part is propped against the second locking part along the assembly direction, so that the second locking part is displaced along the assembly direction and is subjected to plastic deformation, the second through hole has a final locking width in the direction perpendicular to the assembly direction, and the final locking width is smaller than the fifth width and larger than the sixth width, so that the fourth limiting part is blocked in the second through hole to prevent the second locking piece from being separated from the second positioning piece in the back of the assembly direction.

11. The connection assembly of claim 10, wherein: the second locating piece comprises at least two second locking parts and a second main body part connected with the second locking parts, the second main body part is far away from the second through hole compared with the second locking parts, two adjacent second locking parts are arranged at intervals to form a third notch, and a fourth notch communicated with the third notch is arranged at the position of the second main body part corresponding to the third notch.

12. The connection assembly of claim 11, wherein: in the assembly direction, a projection of the fourth recess is offset from a projection of the slot, and a projection of the second body portion is offset from a projection of the slot.

13. The connection assembly of claim 11, wherein: the fourth notch is gradually expanded in a direction away from the third notch, the fourth notch is provided with a second arc-shaped part, and the second main body part and the second locking part are in transitional connection through the second arc-shaped part.

14. The connection assembly of claim 11, wherein: each second locking part is provided with a circular arc-shaped second chamfer, and the second chamfer is connected with the third notch.

15. The connection assembly of claim 10, wherein: the second positioning piece further comprises a cylinder part, a nut is arranged in the second element, and the cylinder part is sleeved on the nut and stops the nut from moving back to the arranging direction.