A snap-fit assembly

Abstract

The buckle provided by the application is used for supporting and connecting two electric connectors, and comprises a supporting part, a connecting hole and a pair of clamping shoulders. The top of the supporting part is provided with a supporting surface, the connecting hole extends into the supporting part through the supporting surface, and the pair of clamping shoulders are respectively arranged on the opposite first side and second side of the supporting part and protrude outward from the supporting part to form. At least the top of the pair of clamping shoulders is made of a first elastic material, so that when the buckle is installed in the receiving groove of the buckle receiving part, the pair of clamping shoulders can be extruded with the buckle receiving part to provide an elastic deformation amount, and the elastic deformation amount enables the buckle to move a distance relative to the buckle receiving part towards the electric connector when the buckle and the electric connector are fastened and connected, so as to compensate for the gap between the electric connector and the supporting surface of the buckle, make the electric connection between the electric connectors more stable and reliable, and avoid loosening between the electric connectors in an extreme temperature environment.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of batteries and battery modules, and more particularly to a buckle member and a buckle connection assembly for an end portion of a battery module. BACKGROUND

[0002] Generally, it is required to electrically connect an electrical connector of a battery module with another electrical connector through a buckle connection assembly. The buckle connection assembly includes a buckle member and a buckle receiving member. Specifically, the buckle receiving member is fixed on two different fixed bodies (e.g. two electrical connectors) independently from the battery module, the buckle member is partially inserted into the buckle receiving member, and the two electrical connectors are electrically connected with each other and supported on the buckle member to conduct the power of the battery module outwards. SUMMARY

[0003] The present application provides, in a first aspect, a buckle member for supporting and connecting two electrical connectors, the buckle member comprising: a support portion having a support surface at a top thereof; a connecting hole extending through the support surface into the support portion; and a pair of clamping shoulders respectively provided at opposite first and second sides of the support portion and protruding outwardly from the support portion; wherein at least a top of the pair of clamping shoulders is made of a first elastic material, such that when the buckle member is installed in a receiving groove of a buckle receiving member, the pair of clamping shoulders can be squeezed by the buckle receiving member to provide an elastic deformation amount, which enables the buckle member to move a distance relative to the buckle receiving member towards the electrical connectors when the buckle member and the electrical connectors are fastened.

[0004] According to the first aspect described above, the buckle member comprises at least one elastic leg provided at a bottom of the support portion, which is elastically deformed during installation of the buckle member into the receiving groove of the buckle receiving member to enable the buckle member to move in a first direction relative to the buckle receiving member, and which returns to a normal state after the installation of the buckle member into the receiving groove of the buckle receiving member is completed to prevent the buckle member from continuously moving in the first direction relative to the buckle receiving member.

[0005] According to the first aspect described above, the elastic leg extends from a third side of the support portion towards a fourth side of the support portion, and at least a portion of the elastic leg protrudes downwardly beyond a bottom surface at the connecting hole of the support portion.

[0006] According to the first aspect described above, at least a top of the pair of clamping shoulders is made of a first elastic material, and the support portion is made of a second elastic material, the first elastic material having a greater elastic coefficient than the second elastic material.

[0007] According to the first aspect, the pair of clamping shoulders has an upper part and a lower part, the upper part of the pair of clamping shoulders is made of the first elastic material, and the lower part of the pair of clamping shoulders is made of the second elastic material; the support part and the lower part of the pair of clamping shoulders are integrally formed, and the upper part of the pair of clamping shoulders is integrally formed on the support part and the lower part of the pair of clamping shoulders through an injection molding process.

[0008] According to the first aspect, an inner surface of the connecting hole is provided with threads.

[0009] According to the first aspect, the buckle further includes a connecting piece arranged in the connecting hole, a threaded hole is arranged in the connecting piece, and threads are arranged on an inner surface of the threaded hole.

[0010] According to the first aspect, the support part is connected to the connecting piece through injection molding.

[0011] According to the first aspect, the connecting piece includes a connecting piece body and a pair of mounting structures arranged on opposite sides of the connecting piece body, the connecting piece body is arranged in the connecting hole, and the connecting piece is connected to the support part through the pair of mounting structures; a threaded hole is arranged in the connecting piece body, and threads are arranged on an inner surface of the threaded hole.

[0012] According to the first aspect, the pair of mounting structures includes a pair of biasing arms; one end of the pair of biasing arms is connected to the connecting piece body, and the other end of the pair of biasing arms is a free end; the pair of biasing arms can connect the connecting piece to the support part in a free state; and the pair of biasing arms can deform under stress to separate the connecting piece from the support part.

[0013] According to the first aspect, the pair of mounting structures further includes a pair of extension arms; the pair of extension arms are respectively formed by extending outward from the connecting piece body and then extending downward, windows are arranged on the pair of extension arms, and the pair of biasing arms extend upward from edges of the windows and obliquely relative to the pair of extension arms.

[0014] According to the first aspect, the first elastic material is a thermoplastic elastomer, and the second elastic material is a thermoplastic resin.

[0015] According to the first aspect, the first side is a left side, the second side is a right side, the third side is a rear side, and the fourth side is a front side; the first side is orthogonal to the second side, and the third side is orthogonal to the fourth side.

[0016] In a second aspect, the buckle connection assembly is provided for supporting and connecting two electrical connectors, and comprises: a buckle member, which comprises a support portion having a support surface at a top thereof, a connecting hole extending through the support surface into the support portion, and a pair of clamping shoulders respectively arranged at opposite first and second sides of the support portion and protruding outwardly from the support portion; and a buckle receiving member having a receiving groove, the buckle member being inserted into the receiving groove of the buckle receiving member along a first direction, the receiving groove having a pair of limiting protrusions protruding towards each other at a top thereof, the limiting protrusions being configured to cooperate with the pair of clamping shoulders to limit movement of the buckle member relative to the buckle receiving member along a second direction perpendicular to the first direction; wherein the pair of limiting protrusions are made of a first elastic material at least at bottoms thereof, and / or the pair of clamping shoulders are made of the first elastic material at least at tops thereof, such that when the buckle member is installed in the receiving groove of the buckle receiving member, the pair of clamping shoulders can be squeezed against the buckle receiving member to provide an elastic deformation amount, the elastic deformation amount allowing the buckle member to move a distance relative to the buckle receiving member towards the electrical connectors when the buckle member and the electrical connectors are fastened.

[0017] According to the second aspect, the buckle receiving member is made of the first elastic material at least at the bottoms of the pair of limiting protrusions, and the rest of the buckle receiving member is made of a metal material; or the buckle member is made of the first elastic material at least at the tops of the pair of clamping shoulders, and the rest of the buckle member is made of a second elastic material, the first elastic material having a greater elastic coefficient than the second elastic material.

[0018] The buckle member and the buckle connection assembly provided by the present application can eliminate the gap between the electrical connectors and the buckle member, making the connection of the electrical connectors more reliable, and thus improving the abnormal noise caused by partial looseness between the electrical connectors in the case of high and low temperature environment cycles, and avoiding the electrical connection failure between the electrical connectors. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1A is a perspective view of an embodiment of the buckle member 100 according to the present application;

[0020] Figure 1B is a perspective view of another view of the buckle member 100 shown in Figure 1A

[0021] Figure 1C is a sectional view of the buckle member 100 along the line A-A shown in Figure 1A

[0022] ​​Figure 2 is a perspective view of one embodiment of a buckle receiver 230 according to the present application;

[0023] Figure 3A is a perspective view of one embodiment of a buckle connection assembly 370 according to the present application, with electrical connectors 391 and 392 connected;

[0024] Figure 3B is a side view of Figure 3A ;

[0025] Figure 4A and Figure 4B illustrate the process of connecting electrical connectors 391 and 392 to buckle connection assembly 370, wherein Figure 4A illustrate buckle connection assembly 370, electrical connectors 391 and 392 along Figure 3B in FIG. 6B, in cross-section along line B-B; Figure 4B illustrate buckle connection assembly 370, electrical connectors 391 and 392 along Figure 3B in FIG. 6B, in cross-section along line B-B, after connection is complete;

[0026] Figure 5 is a cross-sectional view of a buckle connection assembly according to the present application, to illustrate yet another embodiment of a threaded connection;

[0027] Figure 6 is a cross-sectional view of a buckle connection assembly according to the present application, to illustrate still another embodiment of a threaded connection;

[0028] Figure 7 is a cross-sectional view of a buckle connection assembly according to the present application, to illustrate still another embodiment of a threaded connection. DETAILED DESCRIPTION

[0029] Various embodiments of the application will be described in relation to the drawings detailed below, which form a part hereof. It is to be understood that the use of terms such as "front", "back", "up", "down", "left", "right", and the like are used in relation to the examples illustrated in the drawings and that the application can be used in orientations other than the orientation shown. These terms are used herein for convenience only and exemplary embodiments of the application can be used in other orientations.

[0030] Figure 1A is a perspective view of one embodiment of a buckle receiver 230 according to the present application; Figure 1B is a perspective view of one embodiment of a buckle receiver 230 according to the present application; Figure 1AThe perspective view of the buckle 100 shown is used to illustrate the specific structure of the buckle 100 viewed from below. Figure 1C yes Figure 1A A sectional view along section line AA is used to show the internal structure of the snap fastener 100. (See diagram below.) Figures 1A-1C As shown, the snap-fit ​​member 100 includes a support portion 101, a pair of snap-fit ​​shoulders 110 and 120, and an insulating peripheral wall 105. The insulating peripheral wall 105 includes a front side wall 151, a rear side wall 152, a left side wall 153, and a right side wall 154, each extending upward from the circumferential edge of the support portion 101, forming a space 131 around the support portion 101. The space 131 is used to accommodate electrical connectors 391 and 392 (see...). Figure 3A The electrical connectors 391 and 392 are insulated from the outside. A pair of snap-fit ​​shoulders 110 and 120 are provided on the left and right sides (i.e., the first side and the second side) of the support 101, and protrude outward from the left and right sides of the support 101 from the left and right sides of the insulating peripheral wall 105, respectively, on the left side wall 153 and the right side wall 154.

[0031] Specifically, such as Figure 1A and Figure 1C As shown, the support portion 101 has a top 113 and a bottom 114. In one embodiment, a cavity 138 is provided between the top 113 and the bottom 114. This hollow shape of the support portion 101 minimizes the weight of the fastener 100 and saves material; however, in other embodiments, the support portion 101 can also be solid. A connecting hole 103 is provided on the top 113 of the support portion 101. The connecting hole 103 passes through the top 113 and extends downward into the cavity 138, but does not pass through the bottom 114. The upper surface of the top 113 forms a support surface 102, and the inner surface of the connecting hole 103 is threaded (not shown) so that the connecting hole 103 can cooperate with the bolt 367 to fix the electrical connectors 391 and 392 onto the support surface 102 (see Figure 104). Figure 3A and 3B (As shown).

[0032] refer to Figure 1B and Figure 1C The outer contour of the bottom 114 of the support 101 can substantially align with the receiving slot 250 of the snap-fit ​​receiver 230 (see...). Figure 2 The shape of the receiving slot 250 in the support 101 is matched. Specifically, the bottom 114 of the support 101 is a roughly symmetrical smooth curved surface shape, with its left and right sides curving upwards to form the lowest bottom surface 106 in the middle. Two mounting holes 161 communicating with the cavity 138 in the support 101 are also provided on the bottom 114, and these two mounting holes 161 are respectively provided on the left and right sides of the bottom surface 106.

[0033] As a specific example, a connecting post 121 is provided within the cavity 138 of the support portion 101, the connecting post 121 being connected between the support surface 102 of the top portion 113 and the bottom surface 106 of the bottom portion 114. A connecting hole 103 is provided in the connecting post 121, the connecting hole 103 being positioned substantially corresponding to the bottom surface 106, and a thread is provided on the inner surface of the connecting hole 103 of the connecting post 121. Alternatively, in some other embodiments, the connecting hole 103 can also be provided to pass through the bottom portion 114 from the bottom surface 106.

[0034] A resilient leg 104 is provided at each of the mounting holes 161 of the bottom portion 114 of the support portion 101. Each resilient leg 104 has a distal end 162 and a proximal end 165, the proximal end 165 being connected to the hole wall edge 155 of the rear side of the mounting hole 161, and the distal end 162 being spaced from and overhanging the hole wall edge 157 of the front side of the mounting hole 161. In the embodiment as shown, the upper surface 171 of each resilient leg 104 extends substantially horizontally from the proximal end 165 to the distal end 162, and the lower surface 172 extends substantially downwardly and obliquely from the proximal end 165 to the distal end 162 to form a slope to form a downwardly protruding protrusion 166 at the distal end 162. In the normal state (i.e. the state without external force), the protrusion 166 of the resilient leg 104 protrudes downwardly beyond the bottom surface 106 of the support portion 101. The resilient leg 104 is made of a resilient material (e.g. plastic) so that the resilient leg 104 has a certain elasticity. When the distal end 162 of the resilient leg 104 (e.g. at the protrusion 166) is subjected to an upward force, the resilient leg 104 can be elastically deformed so that the distal end 162 of the resilient leg 104 moves towards the cavity 138 of the support portion 101 to no longer protrude beyond the bottom surface 106. Alternatively, the resilient leg 104 can also be configured such that the upper surface 171 and the lower surface 172 together extend downwardly and obliquely at the same angle from the proximal end 165 to the distal end 162 to protrude beyond the bottom surface 106 of the support portion 101. In this case, the resilient leg 104 is in the shape of a straight plate without the need to provide a downwardly protruding protrusion at the distal end.

[0035] As Figure 1A and Figure 1BAs shown, the front side wall 151 and the rear side wall 152 of the insulation peripheral wall 105 are oppositely arranged, and the height of the rear side wall 152 is higher than that of the front side wall 151. The insulation peripheral wall 105 has an opening 108 at the front side wall 151 thereof, to allow the electrical connecting members 391, 392 to be placed on the support surface 102 through the opening 108. In the present embodiment, the rear side wall 152 of the insulation peripheral wall 105 is substantially in a "T" shape, including a body 158 arranged at the upper portion of the rear side wall 152 and a protruding portion 156 arranged at the bottom portion of the rear side wall 152. The width of the body 158 is greater than that of the protruding portion 156, so that the rear side wall 152 is substantially in a "T" shape. And the protruding portion 156 is substantially arranged at the rear side of the rear side surface 119 of the support portion 101 and protrudes outwardly relative to the rear side surface 119. The protruding portion 156 is shaped to fit with the corresponding opening 238 on the snap receiver 230 (see Figure 2 ) for connection within the opening 238. The left side wall 153 and the right side wall 154 of the insulation peripheral wall 105 are oppositely arranged. The left side wall 153 and the right side wall 154 of the insulation peripheral wall 105 are connected between the front side wall 151 and the rear side wall 152, and the left side wall 153 and the right side wall 154 respectively extend horizontally from the left and right edges of the rear side wall 152 of the insulation peripheral wall 105 and then extend obliquely downward to be connected with the front side wall 151 of the insulation peripheral wall 105. In the present embodiment, alternatively, the insulation peripheral wall 105 can adopt any structure capable of achieving insulation effect.

[0036] In the present embodiment, the support portion 101 and the insulation peripheral wall 105 can be integrally formed with the same material, for example, both being thermoplastic resin material, which can have good supportability and achieve insulation effect.

[0037] The snap shoulder 110 is arranged at one side of the snap piece 100, and the snap shoulder 120 is arranged at the other side opposite to the snap shoulder 110. In the present embodiment, the snap shoulder 110 is arranged at the left side of the support portion 101, and the snap shoulder 120 is arranged at the right side of the support portion 101. Figure 1A As shown in the perspective view, the snap shoulder 110 is arranged at the left side of the support portion 101, and the snap shoulder 120 is arranged at the right side of the support portion 101. The shapes of the snap shoulders 110, 120 can match the shape of the receiving groove 250 (see Figure 2 ) of the snap receiver 230, so that the snap piece 100 can cooperate with the snap receiver 230 to allow the snap piece 100 to be inserted into the receiving groove 250 of the snap receiver 230 and be in contact with the receiving groove 250. In the present embodiment, the snap shoulders 110 and 120 are in symmetrical shapes, and the snap shoulder 120 will be taken as an example for specific description below.

[0038] As shown in Figure 1A and 1BAs shown, the clamping shoulder 120 includes an upper part 125 and a lower part 126, the lower part 126 protrudes rightward from the bottom of the support part 101 and is integrally formed with the support part 101, and the upper part 125 is arranged on the right side of the support part 101 above the lower part 126, for example, the upper part 125 can be integrally formed on the lower part 126 by an injection molding process, and is connected with the right side of the support part 101. In this embodiment, the upper part 125 and the lower part 126 of the clamping shoulder 120 are made of different materials, for example, the upper part 125 is made of a first elastic material with a certain elasticity, and the lower part 126 is made of a second elastic material which is the same as the support part 101, and the elastic coefficient of the first elastic material is greater than that of the second elastic material. As a specific example, the first elastic material can be a thermoplastic elastomer material, and the second elastic material can be a thermoplastic resin material. It should be noted that according to the specific deformation amount required, the clamping shoulder 120 can also be made of the first elastic material only at the top 127 thereof. At this time, the top 127 forms the upper part of the clamping shoulder 120. The top 127 here refers to the part with a certain height extending downward from the upper surface 128 of the clamping shoulder 120.

[0039] When the upper part 125 of the clamping shoulder 120 bears a certain downward force, the upper part 125 can be elastically deformed. When the upper part 125 of the clamping shoulder 120 is elastically deformed, the lower part 126 can provide a certain supporting force. The deformation amount of the elastic deformation of the upper part 125 can compensate for the gap in the process of fixing the electrical connecting pieces 391, 392 on the supporting surface 102 of the buckle 100, which will be described in detail below. Figure 4A and 4B

[0040] Similarly, the clamping shoulder 110 on the other side of the buckle 100 also has the same upper part 115 and lower part 116 as the clamping shoulder 120, the lower part 116 protrudes leftward from the bottom of the support part 101 and is integrally formed with the support part 101, and the upper part 115 is arranged on the left side of the support part 101 above the lower part 116. Among them, the upper part 115 is made of the first elastic material, and the lower part 116 is made of the second elastic material. And the same as the clamping shoulder 120, according to the specific deformation amount required, the clamping shoulder 110 can also be made of the first elastic material only at the top 117 thereof.

[0041] In this embodiment, the upper part 115 of the clamping shoulder 110 and the upper part 125 of the clamping shoulder 120 are connected to each other through the connecting part 107. The connecting part 107 is made of the first elastic material. In this way, by arranging a suitable injection mold, only one injection port needs to be arranged at the connecting part 107 to complete the injection molding process of the clamping shoulders 110 and 120 on both sides of the support part 101, further simplifying the processing.

[0042] ​Those skilled in the art should understand that the upper (or top) and lower parts of the snap-fit ​​shoulder in this embodiment are merely directional illustrations to indicate that they are formed of different materials.

[0043] Figure 2 A perspective view of one embodiment of the snap-fit ​​receiver 230 of this application shows details of the structure in the snap-fit ​​receiver 230 for mounting the snap-fit ​​member 100. (See diagram below.) Figure 2 As shown, the snap-fit ​​receiver 230 is generally a box structure with an open top, containing a cavity 233 and a receiving slot 250. The receiving slot 250 is located above and communicates with the cavity 233. The receiving slot 250 is used to receive the bottom of the snap-fit ​​component 100, allowing the snap-fit ​​receiver 230 to mate with the snap-fit ​​component 100 for installation. In this embodiment, the snap-fit ​​receiver 230 is made of a metal material (such as aluminum).

[0044] like Figure 2 As shown, the snap-fit ​​receiver 230 has a front sidewall 234 and a rear sidewall 232 disposed opposite to each other, and a left sidewall 236 and a right sidewall 235 disposed opposite to each other. A receiving groove 250 is disposed between the left sidewall 236 and the right sidewall 235 above the cavity 233. The top of the receiving groove 250 forms a pair of limiting protrusions 241 and 242 protruding towards each other on the left sidewall 236 and the right sidewall 235. As described above, the shape of the receiving groove 250 matches the outer contour of the support portion 101 and the snap-fit ​​shoulders 110 and 120 of the snap-fit ​​member 100. Specifically, the receiving groove 250 forms a generally symmetrical smooth curved surface 243 on the front sidewall 234, with the left and right sides of the curved surface 243 curving upwards to engage with the bottom of the support portion 101 of the snap-fit ​​member 100. The receiving groove 250 forms a recess 247 below the limiting protrusions 241, 242 on the left side wall 236 and the right side wall 235. The recess 247 is used to engage with the snap-fit ​​shoulders 110, 120. In some embodiments, the bottom 246 of the limiting protrusions 241, 242 (i.e., the top of the recess 247) may also be made of a first elastic material, such as a thermoplastic elastomer. When the recess 247 accommodates the snap-fit ​​shoulders 110, 120, the bottom 246 of the limiting protrusions 241, 242 can elastically deform together with the upper portions 115, 125 of the snap-fit ​​shoulders 110, 120. The rear side wall 232 of the snap-fit ​​receiving member 230 is provided with a downwardly recessed opening 238, and the shape of the opening 238 matches the shape of the protrusion 156 of the snap-fit ​​member 100.

[0045] When the latching member 100 is fitted onto the latching receiver 230, the bottom of the latching member 100 can be inserted from front to back into the receiving slot 250 of the latching receiver 230. The following is in conjunction with... Figures 1A-1C as well as Figure 2The process of fitting the buckle member 100 to the buckle receiving member 230 is shown in FIGS. 1-4.

[0046] When the buckle member 100 is just inserted into the receiving slot 250 along its front-to-back direction (i.e., the first direction), the concave portion 247 of the receiving slot 250 can accommodate the latching shoulder portions 110, 120 of the buckle member 100, and the bottom of the support portion 101 contacts the curved surface 243 of the receiving slot 250, because the shape of the support portion 101 and the shape of the pair of latching shoulder portions 110, 120 of the buckle member 100 match the shape of the receiving slot 250 of the buckle receiving member 230. As the buckle member 100 continues to be inserted into the receiving slot 250, the distal end 162 of the resilient leg 104 at the protrusion 166 is elastically deformed upwardly by the extrusion of the curved surface 243.

[0047] When the buckle member 100 is moved backward relative to the buckle receiving member 230 to be fully inserted into the receiving slot 250, the rear side wall 152 of the insulating peripheral wall 105 of the buckle member 100 is positioned with the rear side wall 232 of the buckle receiving member 230, and the protrusion 156 on the rear side wall 152 of the insulating peripheral wall 105 of the buckle member 100 is positioned with the opening 238 on the rear side wall 232 of the buckle receiving member 230. At this time, the resilient leg 104 of the buckle member 100 has passed the front side wall 234 and entered the receiving slot 250, and the distal end 162 of the resilient leg 104 has returned to its normal state and extended into the cavity 233 of the buckle receiving member 230 and abuts against the inner surface of the front side wall 234 of the buckle receiving member 230, thereby preventing the buckle member 100 from moving back and forth relative to the buckle receiving member 230. At this time, the concave portion 247 of the receiving slot 250 fully accommodates the latching shoulder portions 110, 120, so that the buckle member 100 cannot move left and right relative to the buckle receiving member 230. Because the distance between the limiting protrusions 241, 242 is less than the maximum distance between the pair of latching shoulder portions 110, 120 (i.e., the distance between the left end of the latching shoulder portion 110 and the right end of the latching shoulder portion 120), the buckle member 100 cannot be pulled out of the space between the limiting protrusions 241, 242, and the buckle member 100 cannot move up and down (i.e., the second direction) relative to the buckle receiving member 230 when the latching shoulder portions 110, 120 are not elastically deformed, so that the movement of the buckle member 100 relative to the buckle receiving member 230 is limited. Thus, the buckle member 100 and the buckle receiving member 230 can be fitted together.

[0048] Figure 3A is a perspective view of an embodiment of the buckle connection assembly 370 connected with an electrical connector, Figure 3B is Figure 3A is a side view of the buckle connection assembly 370 and the electrical connector shown in FIG. 3. Figure 3A and3B As shown, the snap connection assembly 370 includes the snap member 100 and the snap receiver 230 mounted together. The snap connection assembly 370 is connected to one side of the battery module 340 for supporting and connecting two electrical connectors 391, 392. For simplicity, only a portion of the electrical connectors 391, 392 is shown in the figure.

[0049] In particular, the first ends 393 of the electrical connector 391 and the first ends 394 of the electrical connector 392 are received in the space 131 through the front side opening 108 of the insulating peripheral wall 105 of the snap member 100 and are supported on the support surface 102 of the snap member 100. The bolts 367 are inserted through the first ends 393 of the electrical connector 391 and the first ends 394 of the electrical connector 392, where the bolts 367 have external threads that interfit with internal threads of the connecting holes 103 of the support portion 101, and through the fastening connection of the bolts 367 with the connecting holes 103, the first ends 393 and 394 of the two electrical connectors 391, 392 are fastened and fixed together on the support surface 102. The second ends 396 of the electrical connector 392 are connected to the battery module 340, and as an example, the second ends 396 of the electrical connector 392 are fastened to the battery module 340 by another bolt 368. In some embodiments, the electrical connector 392 can be a copper busbar of an output pole of the battery module 340 for outputting power of the battery module 340. The electrical connector 391 is a high-voltage connecting copper busbar acting as a busbar, and the second end thereof is used for connection with other electrical connectors (not shown in the figure). Through the connection of the electrical connector 392 and the electrical connector 391, the power of the battery module 340 can be conducted out through the electrical connector 391. It should be noted that, Figure 3A The battery module 340 is shown only schematically, and those skilled in the art should understand that the battery module 340 can be of other shapes and can be arranged at other determined positions, for example, the rear side of the snap connection assembly 370, without being limited to the shapes and positions shown in the embodiments.

[0050] In the embodiments shown in FIGS. 6A and 6B, the first ends 393 of the electrical connector 391 and the first ends 394 of the electrical connector 392 are received in the space 131 through the front side opening 108 of the insulating peripheral wall 105 of the snap member 100 and are supported on the support surface 102 of the snap member 100. The bolts 367 are inserted through the first ends 393 of the electrical connector 391 and the first ends 394 of the electrical connector 392, where the bolts 367 have external threads that interfit with internal threads of the connecting holes 103 of the support portion 101, and through the fastening connection of the bolts 367 with the connecting holes 103, the first ends 393 and 394 of the two electrical connectors 391, 392 are fastened and fixed together on the support surface 102. The second ends 396 of the electrical connector 392 are connected to the battery module 340, and as an example, the second ends 396 of the electrical connector 392 are fastened to the battery module 340 by another bolt 368. In some embodiments, the electrical connector 392 can be a copper busbar of an output pole of the battery module 340 for outputting power of the battery module 340. The electrical connector 391 is a high-voltage connecting copper busbar acting as a busbar, and the second end thereof is used for connection with other electrical connectors (not shown in the figure). Through the connection of the electrical connector 392 and the electrical connector 391, the power of the battery module 340 can be conducted out through the electrical connector 391. It should be noted that, Figure 3A 3B In the embodiments shown in FIGS. 6A and 6B, the first ends 393 of the electrical connector 391 and the first ends 394 of the electrical connector 392 are received in the space 131 through the front side opening 108 of the insulating peripheral wall 105 of the snap member 100 and are supported on the support surface 102 of the snap member 100. The bolts 367 are inserted through the first ends 393 of the electrical connector 391 and the first ends 394 of the electrical connector 392, where the bolts 367 have external threads that interfit with internal threads of the connecting holes 103 of the support portion 101, and through the fastening connection of the bolts 367 with the connecting holes 103, the first ends 393 and 394 of the two electrical connectors 391, 392 are fastened and fixed together on the support surface 102. The second ends 396 of the electrical connector 392 are connected to the battery module 340, and as an example, the second ends 396 of the electrical connector 392 are fastened to the battery module 340 by another bolt 368. In some embodiments, the electrical connector 392 can be a copper busbar of an output pole of the battery module 340 for outputting power of the battery module 340. The electrical connector 391 is a high-voltage connecting copper busbar acting as a busbar, and the second end thereof is used for connection with other electrical connectors (not shown in the figure). Through the connection of the electrical connector 392 and the electrical connector 391, the power of the battery module 340 can be conducted out through the electrical connector 391. It should be noted that,

[0051] Figure 4A and​Figure 4B The process of connecting electrical connectors 391 and 392 to the snap-fit ​​assembly 370 is shown, wherein Figure 4A When not yet connected in place, the snap-fit ​​connection assembly 370, electrical connectors 391 and 392 are positioned along... Figure 3B A cross-sectional view along line BB shows the presence of gap H; Figure 4B After connection is complete, the snap-fit ​​connection assembly 370, electrical connectors 391 and 392 are arranged along... Figure 3B A cross-sectional view along line BB shows that gap H has been eliminated. For ease of explanation, in... Figure 4A and Figure 4B Only the bolt 367, the snap-fit ​​connection assembly 370, and the electrical connectors 391 and 392 were cut along the BB line, while the snap-fit ​​receiver 230 and the battery module 340 were not cut.

[0052] like Figure 4A As shown, bolt 367 passes through two electrical connectors 391 and 392 and is fastened to the connection hole 103 of the snap fastener 100. During the downward tightening of bolt 367, bolt 367 moves electrical connector 391 downward until it abuts against electrical connector 392. When battery module 340 and snap fastener receiver 230 are independently fixed, due to manufacturing and installation errors in battery module 340 and snap fastener receiver 230, a gap H still exists between the lower surface of electrical connector 392 connected to battery module 340 and the support surface 102 of snap fastener 100 connected to snap fastener receiver 230. This gap H will cause the electrical connection between electrical connectors 391 and 392 to be unreliable, and they are prone to loosening in environments such as high and low temperatures or vibration, leading to electrical connection failure. If the flexible snap-fit ​​shoulders 110 and 120 of this application are not present, and the bolt 367 is tightened forcefully, forcing the lower surface of the electrical connector 392 to abut against the support surface 102, the electrical connectors 391 and 392 are easily bent and deformed, thereby affecting the reliability of the electrical connection.

[0053] In this application, as the bolt 367 is tightened downwards to bring the lower surface of the electrical connector 392 abutting against the support surface 102, the support portion 101 experiences an upward pulling reaction force from the bolt 367. Under the action of this reaction force, the upper portions 115 and 125 of the snap-fit ​​shoulders 110 and 120 are pressed against the bottom 246 of the limiting protrusions 241 and 242. Because the upper portions 115 and 125 of the snap-fit ​​shoulders 110 and 120 are made of a first elastic material, they undergo elastic deformation. This elastic deformation allows the latch 100 to move slightly upwards under the action of the reaction force until the support surface 102 abuts against the lower surface of the electrical connector 392, reaching the desired position. Figure 4B The state shown.

[0054] As shown in Figure 4B , the upper portions 115, 125 of the clamping shoulders 110, 120 are elastically deformed, and the deformation compensates for the gap H between the lower surfaces of the electrical connectors 392 and the support surface 102, so that the gap H is eliminated. At this time, although the bottom of the clamping member 100 is separated from the curved surface 243 on the front side wall 234 of the clamping receptacle 230, the bolts 367 fasten the electrical connectors 391, 392 and the clamping member 100, and the relative positions of the electrical connectors 391, 392 and the clamping receptacle 230 are fixed, so that the clamping member 100 cannot move downward relative to the clamping receptacle 230. In addition, although the clamping member 100 moves slightly upward, the elastic legs 104 still abut against the inner surface of the front side wall 234 of the clamping receptacle 230. Therefore, after the fastening of the bolts 367 is completed, the clamping member 100 also cannot move forward and backward relative to the clamping receptacle 230.

[0055] When the electrical connectors are connected to the clamping connection assembly, the upper portions of the clamping shoulders of the clamping member can abut against the bottoms of the limiting protrusions of the clamping receptacle. By setting the upper portions of the clamping shoulders of the clamping member to be made of the first elastic material having a certain elasticity, the upper portions of the clamping shoulders can be elastically deformed when abutting against the bottoms of the limiting protrusions, and the deformation can be used to compensate for the gap between the electrical connectors and the support surface of the clamping member when the electrical connectors are connected to the clamping connection assembly. In this way, the electrical connection between the electrical connectors can be more stable and reliable, and the electrical connectors can be prevented from loosening and causing poor contact between the electrical connectors in an extreme temperature environment.

[0056] Those skilled in the art should know that, in addition to setting the upper portions of the pair of clamping shoulders 110, 120 to be made of the first elastic material having a certain elasticity, the bottoms 246 of the pair of limiting protrusions 241, 242 of the clamping receptacle 230 can also be made of the first elastic material, or they can be made of the first elastic material together. Similarly, the gap H between the electrical connectors 392 and the support surface 102 can also be eliminated by the elastic deformation of the pair of limiting protrusions 241, 242.

[0057] In the clamping member 100 shown in Figures 1A-4B , the support portion 101 is provided with a connecting hole 103. The inner surface of the connecting hole 103 is provided with threads (not shown in the figure) to form a threaded connection portion, so that the threaded connection portion can cooperate with the bolts 367.

[0058] Figure 5 is a sectional view of the clamping connection assembly according to the present application, to show another embodiment of the threaded connection portion formed in the clamping member. Unlike the clamping member 100 shown in Figures 1A-4B , the clamping member 100 shown in Figure 5The shown buckle 100 includes a connecting member 501, and the threaded connection portion is formed by the connecting member 501.

[0059] Specifically, as shown in Figure 5 The shown buckle 100 also includes a connecting member 501. The connecting member 501 is arranged in the connecting hole 103. The connecting hole 103 is provided with a threaded hole, and the inner surface of the threaded hole is provided with threads (not shown in the figure) to form a threaded connection portion, so that the threaded connection portion can cooperate with the bolt 367. As an example, the connecting member 501 can be a nut or the like connecting member with internal threads. Since the buckle 100 of the present application is made of a material such as a thermoplastic resin material, the support portion 101 can be injection molded onto the connecting member 501, so that the connecting member 501 and the support portion 101 are connected together. The connecting member 501 and the support portion 101 connected together by injection molding are relatively firm, and the process is simple and the cost is relatively low.

[0060] Figure 6 is a sectional view of the buckle connection assembly according to the present application, to show still another embodiment of the threaded connection portion formed in the buckle. Unlike the buckle 100 shown in Figure 5 The connecting member 501 in the buckle 100 shown in Figure 5 The connecting member 501 in the buckle 100 shown in Figure 6 The connecting member 610 shown in

[0061] Specifically, as shown in Figure 6As shown, the snap fastener 100 also includes a connector 610. The connector 610 includes a connector body 611 and a pair of mounting structures. The connector body 611 is generally cylindrical and has a threaded hole. The inner surface of the threaded hole is provided with threads (not shown) to form a threaded connection portion, allowing the threaded connection portion to engage with the bolt 367. The pair of mounting structures are disposed on the left and right sides of the connector body 611. The connector body 611 of the connector 610 is disposed in the connecting hole 103, and the connector 610 is connected to the support portion 101 via the pair of mounting structures. The pair of mounting structures includes a pair of extension arms 601 and a pair of offset arms 602. The pair of extension arms 601 extend laterally outward from the left and right sides of the connector body 611 and then downward. The downwardly extending portion of the extension arm 601 includes a window 612. The window 612 extends laterally through the vertically extending portion of the extension arm 601 to accommodate the offset arm 602. An offset arm 602 extends upward from the edge of the window 612 and obliquely relative to a pair of extension arms 601. In other words, the lower end of the offset arm 602 is housed in the window 612 and connected to the extension arms 601. The offset arm 602 is obliquely positioned relative to the vertical extension of the extension arms 601, and the upper end of the offset arm 602 faces the connector body 611. The offset arm 602 is elastic and can move relative to the vertical extension of the extension arms 601. Specifically, the offset arm 602 has an open position and a retracted position. The bias arm 602 is configured such that when the bias arm 602 is not subjected to external force (i.e., in a free state), the bias arm 602 is in the open position and is inclined to the vertical extension portion of the extension arm 601; and when the bias arm 602 is subjected to external force (i.e., under force), the upper end of the bias arm 602 can move away from the connector body 611 and reach the retracted position, so that the bias arm 602 is approximately parallel to the vertical extension portion of the extension arm 601.

[0062] like Figure 6 As shown, the support portion 101 also includes a hollow portion 621, a pair of arm cavities 622, and a pair of communicating channels 623. The hollow portion 621 is used to accommodate the connector body 611, and the pair of arm cavities 622 are used to accommodate at least a portion of a pair of offset arms 602 and a pair of extension arms 601, respectively. Specifically, the hollow portion 621 extends downward from the support surface 102 into the support portion 101, but does not penetrate the support portion 101. The pair of arm cavities 622 are disposed on the left and right sides of the hollow portion 621. The pair of communicating channels 623 are correspondingly disposed above the pair of arm cavities 622. The pair of arm cavities 622 communicate with the upper space of the support surface 102 through the pair of communicating channels 623. The cross-sectional dimensions of the pair of communicating channels 623 are smaller than the cross-sectional dimensions of the pair of arm cavities 622, and the pair of arm cavities 622 are arranged closer to the hollow portion 621 than the pair of communicating channels 623.

[0063] When it is necessary to connect the connector 610 to the support 101, the connector body 611 is aligned with the hollow portion 621, and the vertically extending portions of the pair of extending arms 601 are aligned with the pair of communicating passages 623, and then the connector 610 is pressed downward. During the downward movement, the pair of biasing arms 602 contact the support surface 102 of the support 101 and are subjected to an external force exerted by the support surface 102. The pair of biasing arms 602 are deformed under the action of the external force and move from the open position to the contracted position so that the pair of biasing arms 602 are substantially parallel to the pair of extending arms 601. The pair of biasing arms 602 in the contracted position can continue to move downward together with the pair of extending arms 601 through the pair of communicating passages 623 until the transversely extending portions of the pair of extending arms 601 abut against the support surface 102. At this time, the pair of biasing arms 602 are accommodated in the pair of arm accommodating cavities 622. Since the walls of the pair of arm accommodating cavities 622 do not abut against the pair of biasing arms 602, the pair of biasing arms 602 are not subjected to the external force and move from the contracted position to the open position. Thus, the pair of biasing arms 602 in the free state connect the connector 610 to the support 101. Since the pair of biasing arms 602 can abut against the upper wall surfaces of the pair of arm accommodating cavities 622, the connector 610 is not detached from the support 101. This mounting method is simple and requires less machining precision. As an example, the dimensions of the hollow portion 621, the wall accommodating cavities 622 and the communicating passages 623 in the support 101 can be slightly larger than the dimensions of the connector 610. In this way, the connector 610 can move forward and backward or left and right by a certain distance when fitted to the support, which can further reduce the machining precision requirements.

[0064] It will be understood by those skilled in the art that although the connector 610 of the present application includes a pair of mounting structures, any number of mounting structures are within the scope of the present application.

[0065] In addition, although the mounting structures in the connector 610 of the present application include the pair of extending arms 601 and the pair of biasing arms 602, it will be understood by those skilled in the art that any specific structure of mounting structure is within the scope of the present application. For example, in the present application, the pair of biasing arms 602 are arranged obliquely relative to the pair of extending arms 601 and the free ends thereof are close to the connector body 611, but they can also be arranged obliquely relative to the pair of extending arms 601 and the free ends thereof are away from the connector body 611, provided that the support 101 has a structure to cooperate therewith.

[0066] Figure 7 is a sectional view of the snap-fit connector assembly according to the present application, showing a further embodiment of the threaded connection portion in the snap-fit member. As with the snap-fit member shown in Figure 6 the same is true of the connector 710 shown in Figure 7 the connector 710 is also connected to the support 101 by means of the mounting structure. As with theFigure 6 The difference between the shown fastener and the fastener shown in FIG. 1 is that the fastener shown in FIG. 2 has a pair of extension arms. Figure 7 In the shown connecting member 710, the free ends of the extension arms are away from the connecting member body.

[0067] Specifically, as shown in FIG. 2, the fastener also includes a connecting member 710 and a pair of mounting structures, the connecting member 710 includes a connecting member body 711 which is substantially cylindrical and has a threaded hole inside for cooperating with the bolt 367. The pair of mounting structures are arranged on the left and right sides of the connecting member body 711, and each mounting structure includes an extension arm 701 and a biasing arm 702, and the downwardly extending part of each extension arm 701 includes a window 712. The pair of biasing arms 702 extend upwardly and obliquely from the edges of the corresponding windows 712 towards opposite directions, so that the respective free ends 757 are away from the connecting member body 711. Figure 7 The support part of the fastener also has a hollow part 721, a pair of arm cavities 722 and a pair of communication channels 723. The hollow part 721 is for accommodating the connecting member body 711, the pair of arm cavities 722 are respectively for accommodating the pair of biasing arms 702 and at least a part of the pair of extension arms 701, and the pair of communication channels 723 communicate the corresponding arm cavities 722 and the upper space of the support face 102. Corresponding to the biasing arms 702, the pair of arm cavities 722 have shapes corresponding to the pair of biasing arms 702. When the connecting member 710 is connected into the support part 101, the top ends of the free ends 757 of the pair of biasing arms 702 abut against the upper wall faces 756 of the corresponding arm cavities 722.

[0068] In some embodiments of the present application, the fastener is integrally formed by an injection molding process, and the threaded connecting part is formed together with other parts of the fastener by the injection molding process. For example, in the shown embodiment of FIG. 2, the support part 101 and the connecting member 710 are integrally formed by the injection molding process.

[0069] In the shown embodiment of the fastener, the support part 101 is integrally formed by the injection molding process. In the shown embodiment of the fastener, the support part and the connecting member are also connected by the injection molding process. Such fastener has a relatively simple processing process and low processing cost. Figures 1A-4B Figure 5 In some embodiments of the present application, the threaded connecting part is not formed together with other parts of the fastener by the injection molding process, but is connected to the support part of the fastener by an assembly process such as pressing after the injection molding of other parts of the fastener is completed. For example, in the shown embodiments of FIGS. 3 and 4, the support part is formed by the injection molding process, and the connecting member is assembled on the support part by the connecting structure. Such process can prevent the molten plastic from penetrating into the threaded connecting part during the injection molding process, affecting the shape of the threads in the connecting hole, causing difficulty in screwing the bolt into the fastener when the fastener is connected with the bolt, or reducing the connecting strength.

[0070] In some embodiments of the present application, the threaded connecting part is not formed together with other parts of the fastener by the injection molding process, but is connected to the support part of the fastener by an assembly process such as pressing after the injection molding of other parts of the fastener is completed. For example, in the shown embodiments of FIGS. 3 and 4, the support part is formed by the injection molding process, and the connecting member is assembled on the support part by the connecting structure. Such process can prevent the molten plastic from penetrating into the threaded connecting part during the injection molding process, affecting the shape of the threads in the connecting hole, causing difficulty in screwing the bolt into the fastener when the fastener is connected with the bolt, or reducing the connecting strength. Figure 6 Figure 7 In some embodiments of the present application, the threaded connecting part is not formed together with other parts of the fastener by the injection molding process, but is connected to the support part of the fastener by an assembly process such as pressing after the injection molding of other parts of the fastener is completed. For example, in the shown embodiments of FIGS. 3 and 4, the support part is formed by the injection molding process, and the connecting member is assembled on the support part by the connecting structure. Such process can prevent the molten plastic from penetrating into the threaded connecting part during the injection molding process, affecting the shape of the threads in the connecting hole, causing difficulty in screwing the bolt into the fastener when the fastener is connected with the bolt, or reducing the connecting strength. ​​

[0071] And in some embodiments of the present application, such as in the embodiment shown in Figures 1A-6 A portion of the buckle member and / or the buckle receiving member can be made of elastic material to enable the buckle member to move up and down relative to the buckle receiving member for a certain distance to compensate for the gap between the electrical connecting member and the supporting surface of the buckle member to prevent the electrical connecting member from loosening. In other embodiments of the present application, such as in the embodiment shown in Figure 6 And Figure 7 The connecting member can move forward and backward or left and right in the supporting portion for a certain distance to facilitate the bolts to be aligned with the holes on the electrical connecting member and the connecting holes on the buckle member at the same time, thus reducing the requirement for the processing precision of the buckle member and the electrical connecting member. Those skilled in the art can select different structures of the buckle member according to different processing conditions.

[0072] Although the present application will be described with reference to the specific embodiments shown in the drawings, it should be understood that the buckle member and the buckle connecting assembly of the present application can have many variations without departing from the spirit and scope of the present application. Those skilled in the art will also realize that there are different ways to change the structural details of the embodiments disclosed in the present application, all of which fall within the spirit and scope of the present application and the claims.

Claims

1. A clip for supporting and connecting two electrical connectors, characterized in that The buckle member comprises: a support portion, a top of the support portion being provided with a support surface; a connecting hole extending into the support portion through the support surface; and a pair of clamping shoulders, the pair of clamping shoulders being respectively arranged on opposite first and second sides of the support portion and protruding outward from the support portion. At least the top of the pair of clamping shoulders is made of a first elastic material, so that when the buckle member is installed in a receiving groove of a buckle receiving member, the pair of clamping shoulders can be squeezed against the buckle receiving member to provide an elastic deformation amount, which allows the support surface of the buckle member to move a distance relative to the buckle receiving member to abut against the electrical connecting member when there is a gap between the support surface of the buckle member and the electrical connecting member during fastening of the buckle member and the electrical connecting member.

2. The clasp of claim 1, wherein The buckle member comprises: at least one elastic leg arranged at a bottom of the support portion, which is elastically deformed during installation of the buckle member into the receiving groove of the buckle receiving member to allow the buckle member to move in a first direction relative to the buckle receiving member, and returns to a normal state after the installation of the buckle member into the receiving groove of the buckle receiving member is completed to prevent the buckle member from continuing to move in the first direction relative to the buckle receiving member.

3. The buckle member of claim 2, wherein: the elastic leg extends from a third side of the support portion toward a fourth side of the support portion, and at least a portion of the elastic leg extends downward beyond a bottom surface at the connecting hole of the support portion.

4. The buckle member of claim 1 or 2, wherein: at least the top of the pair of clamping shoulders is made of a first elastic material, and the support portion is made of a second elastic material, the first elastic material having a greater elastic coefficient than the second elastic material.

5. The buckle member of claim 4, wherein: the pair of clamping shoulders has an upper portion and a lower portion, the upper portion of the pair of clamping shoulders being made of the first elastic material, and the lower portion of the pair of clamping shoulders being made of the second elastic material; the support portion and the lower portion of the pair of clamping shoulders are integrally formed, and the upper portion of the pair of clamping shoulders is integrally formed on the support portion and the lower portion of the pair of clamping shoulders by an injection molding process.

6. The buckle member of claim 1, wherein: an inner surface of the connecting hole is provided with threads.

7. The buckle member of claim 1 or 2, wherein: the buckle member further comprises a connecting member arranged in the connecting hole, the connecting member being provided with a threaded hole having threads on an inner surface thereof.

8. The buckle member of claim 7, wherein: the support portion is connected to the connecting member by injection molding.

9. The buckle member of claim 8, wherein: The connecting member includes a connecting member body and a pair of mounting structures disposed on opposite sides of the connecting member body, the connecting member body is disposed in the connecting hole, and the connecting member is connected with the support portion through the pair of mounting structures. A threaded hole is provided in the connecting member body, and a thread is provided on an inner surface of the threaded hole. 10.The buckle member of claim 9, wherein: The pair of mounting structures includes a pair of biasing arms. One end of the pair of biasing arms is connected with the connecting member body, and the other end of the pair of biasing arms is a free end. The pair of biasing arms can connect the connecting member with the support portion in a free state, and the pair of biasing arms can deform to separate the connecting member from the support portion under stress. 11.The buckle member of claim 10, wherein: The pair of mounting structures further includes a pair of extension arms. The pair of extension arms respectively extend outward from the connecting member body and then extend downward, and the pair of biasing arms extend upward from edges of windows in the pair of extension arms and obliquely relative to the pair of extension arms. 12.The buckle member of claim 4, wherein: The first elastic material is a thermoplastic elastomer, and the second elastic material is a thermoplastic resin. 13.The buckle member of claim 3, wherein: The first side is a left side, the second side is a right side, the third side is a rear side, and the fourth side is a front side, the first side is orthogonal to the second side, and the third side and the fourth side are orthogonal. 14.The buckle member of claim 1, wherein: The support portion has a space around a top portion thereof, so that the buckle member can move a distance relative to the buckle receiver toward the electrical connecting member accommodated in the space when the buckle member and the electrical connecting member are fastened.

15. The clasp of claim 1, wherein: The support portion of the buckle member is located between the electrical connecting member and the buckle receiver.

16. A snap connection assembly for supporting and connecting two electrical connectors, characterized by: The buckle connection assembly includes: A buckle member including: A support portion having a support surface on a top portion thereof; A connecting hole extending through the support surface into the support portion; and A pair of clamping shoulders respectively disposed on opposite first and second sides of the support portion and protruding outward from the support portion; and A buckle receiver having a receiving groove into which the buckle member is inserted in a first direction, a top portion of the receiving groove having a pair of limiting protrusions protruding toward each other, the limiting protrusions being configured to cooperate with the pair of clamping shoulders to limit movement of the buckle member relative to the buckle receiver in a second direction perpendicular to the first direction. wherein the pair of limiting protrusions are made of a first elastic material at least at their bottom portions, and / or the pair of clamping shoulders are made of the first elastic material at least at their top portions, such that when the clasp is installed in the receiving slot of the clasp receiver, the pair of clamping shoulders are capable of being squeezed by the clasp receiver to provide an amount of elastic deformation, which allows the support surface of the clasp to move a distance relative to the clasp receiver towards the electrical connector to abut against the electrical connector when there is a gap between the support surface of the clasp and the electrical connector during the process of fastening the clasp and the electrical connector together; wherein the support portion of the clasp is located between the electrical connector and the clasp receiver.

17. The clasp connection assembly of claim 16, wherein: the clasp receiver is made of the first elastic material at the bottom portions of the pair of limiting protrusions, and the rest of the clasp receiver is made of a metallic material; or the clasp is made of a first elastic material at the top portions of the pair of clamping shoulders, and the rest of the clasp is made of a second elastic material, the first elastic material having a greater elastic coefficient than the second elastic material.

18. The clasp connection assembly of claim 16, wherein: the support portion has a space around its top portion, such that when the clasp and the electrical connector are fastened together, the clasp is capable of moving a distance relative to the clasp receiver towards the electrical connector housed in the space.

19. A clip for supporting and connecting two electrical connectors, characterized in that the clasp comprises: a support portion having a support surface at its top portion; a connection hole extending through the support surface into the support portion; and a pair of clamping shoulders respectively provided at opposite first and second sides of the support portion and protruding outwardly from the support portion; wherein each of the pair of clamping shoulders has an upper portion and a lower portion, the upper portion being made of a first elastic material, such that when the clasp is installed in the receiving slot of the clasp receiver, the pair of clamping shoulders are capable of being squeezed by the clasp receiver to provide an amount of elastic deformation, which allows the support surface of the clasp to move a distance relative to the clasp receiver towards the electrical connector to abut against the electrical connector when there is a gap between the support surface of the clasp and the electrical connector during the process of fastening the clasp and the electrical connector together; wherein the support portion and the lower portions of the pair of clamping shoulders are made of a second elastic material, the first elastic material having a greater elastic coefficient than the second elastic material; and wherein the support portion and the lower portions of the pair of clamping shoulders are integrally formed, and the upper portions of the pair of clamping shoulders are integrally formed on the support portion and the lower portions of the pair of clamping shoulders by an injection molding process.

20. The clasp of claim 19, wherein: the first elastic material is a thermoplastic elastomer, and the second elastic material is a thermoplastic resin.

21. The buckle assembly of claim 19, wherein: the buckle assembly further comprises a connecting member disposed in the connecting hole, the connecting member having a threaded hole formed therein, the threaded hole having a thread formed on an inner surface thereof.

22. The buckle assembly of claim 21, wherein: the connecting member comprises: a connecting member body disposed in the connecting hole, the connecting member body having a threaded hole formed therein; and a pair of mounting structures disposed on opposite sides of the connecting member body; wherein the connecting member is connected to the support portion via the pair of mounting structures.

23. The buckle assembly of claim 22, wherein: each of the mounting structures comprises a biasing arm, one end of the biasing arm being connected to the connecting member body, the other end of the biasing arm being a free end; wherein the biasing arm is configured to be connected to the support portion in a free state and to be deformed under force.

24. The buckle assembly of claim 23, wherein: each of the mounting structures further comprises an extension arm, the extension arm being formed by extending outwardly from the connecting member body and then extending downwardly, the extension arm having a window formed therein; wherein the biasing arm extends upwardly from an edge of the window and obliquely relative to the extension arm.

25. The buckle of claim 19, wherein: the support portion of the buckle assembly is located between the electrical connecting member and the buckle receiving member.

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