TWI641186B - Signal transmission assembly, floating connector, and soldering member of floating connector - Google Patents

Abstract

A floating connector includes an insulating housing, a plurality of conductive terminals mounted to the insulating housing, and two soldering members. The insulative housing includes a plug portion, two extension portions respectively connected to the two ends of the plug portion, and two end portions respectively located on the two extension portions. Each end portion and the inner side of the corresponding extension portion form a limit groove, which forms a limit wall and two limit holes toward the limit wall. The two welded parts are respectively movably mounted to the two limiting slots and each comprises a beam facing the corresponding limiting wall, two elastic arms connected to the beam and respectively penetrating in the corresponding two limiting holes, and They are respectively connected to the two ends of the beam and pass through two soldering legs corresponding to the limiting slots. In addition, the present invention further provides a soldering member for a signal transmission assembly and a floating connector.

Description

Signal transmission components, and floating connectors and their welded parts

The present invention relates to a connector, and more particularly to a signal transmission assembly, and a floating connector and a welded member thereof.

The existing floating connector includes a plug cavity and a plurality of conductive terminals mounted inside the plug cavity. The plug cavity can move relative to the conductive terminal and provide a buffering force through the conductive terminal to achieve a shockproof effect. However, the buffering force design of the existing floating connector has been limited to the conductive terminals, so that it is difficult to further effectively enhance the buffering effect.

Accordingly, the inventors believe that the above-mentioned defects can be improved, and that the invention has been studied with great interest and with the use of scientific principles, and finally proposes a present invention which is rational in design and effective in improving the above-mentioned defects.

Embodiments of the present invention provide a signal transmission component, and a floating connector and a soldering member thereof for effectively improving a defect that may occur in an existing floating connector.

The embodiment of the invention discloses a signal transmission component, comprising: a circuit board; and a floating connector fixed to the circuit board, and the floating connector comprises: an insulating housing, comprising: a plug a plurality of extensions respectively connected to opposite ends of the insertion portion; and two end portions respectively located in the two extensions a limiting slot is formed on the inner side of each of the end portions and the corresponding inner side of the extending portion, and each of the limiting slots is formed with a limiting wall and two facing the limiting wall a limiting hole; a plurality of conductive terminals mounted on the insulating housing, and each of the conductive terminals includes a first portion disposed at the plug portion and a portion not contacting the plug portion a second portion; and two welded members respectively movably mounted to the two of the limiting slots, and each of the welding members includes: a beam facing the limit corresponding to the limiting slot a plurality of elastic arms connected to the beam and each having a free end, wherein the two free ends are movably disposed respectively in the two limiting holes corresponding to the limiting groove And two soldering legs respectively connected to the two ends of the beam and passing through the corresponding limiting slots; wherein, the plurality of the conductive terminals are soldered to the two soldering legs of each of the soldering members Fixed to the circuit board, and the beam and the opposite of each of the weldments The limiting walls are spaced apart from each other; when the insulating housing is moved relative to the circuit board, each of the two elastic arms of the welding member can be pressed to provide a restoring force to The insulating housing.

The embodiment of the invention also discloses a floating connector, comprising: an insulative housing comprising: a plug portion; two extension portions respectively connected to opposite ends of the plug portion; and two end portions Positioning on the two extensions, respectively, such that the inner side of each of the end portions and the corresponding inner side of the extension portion are formed with a limiting slot, and each of the limiting slots is formed with a limiting wall. And two limiting holes facing the limiting wall; a plurality of conductive terminals mounted on the insertion portion of the insulating housing; and two soldering members respectively movably mounted to the two of the limits a groove, and each of the weldments comprises: a beam facing the limit wall corresponding to the limit groove; two elastic arms connected to the beam and each having a free end, two The free ends are respectively movably disposed in the two limiting holes corresponding to the limiting slots; and two soldering legs are respectively connected to the two ends of the beam and are out of phase Corresponding to the limit slot.

The embodiment of the invention further discloses a welding component of a floating connector, which is integrated The formed one-piece construction comprises: a beam in the form of a long strip; two resilient arms connected to the two long side edges of the beam, and the two elastic arms are spaced apart, each The elastic arm has an elastic portion bently connected to the beam and a free end extending from the elastic portion, and each of the elastic portions includes at least one S-shaped configuration; and two welding legs, respectively Connected to both ends of the beam.

In summary, the signal transmission component and the floating connector and the welding component thereof disclosed in the embodiments of the present invention can be designed by the matching of the welding component and the corresponding insulating housing portion, so that when the insulating housing is moved, The elastic arms of the welded parts can be pressed to provide a restoring force to the insulating housing, thereby improving the shockproof effect.

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying claims limit.

1000‧‧‧Signal transmission components

100‧‧‧Floating connectors

1‧‧‧Insulated housing

11‧‧‧Interface

111‧‧‧Drawing trough body

1111‧‧‧ bottom wall

1112‧‧‧ side wall

1113‧‧‧ Holding Department

112‧‧‧ tongue plate

12‧‧‧Extension

121‧‧‧Limited wall

13‧‧‧End

131‧‧‧Limited holes

14‧‧‧Limited slot

2‧‧‧Electrical terminals

21‧‧‧ first part

211‧‧‧Contact section

212‧‧‧Bend section

22‧‧‧Second part

221‧‧‧ elastic section

222‧‧‧ fixed section

2221‧‧‧step surface

2222‧‧‧Fixed surface

3‧‧‧welding parts

31‧‧‧ beams

311‧‧‧Long side

32‧‧‧Flexible arm

321‧‧‧Flexible Department

322‧‧‧Free end

33‧‧‧ soldering feet

200‧‧‧ boards

300‧‧‧ Positioning cover

C221‧‧‧ center line

Σ‧‧ acute angle

σ1‧‧‧The first angle

Σ2‧‧‧second angle

1 is a perspective view of a floating connector of the present invention.

2 is a perspective view of another perspective of FIG. 1.

Figure 3 is an exploded perspective view of Figure 1.

4 is an exploded perspective view of FIG. 2.

Figure 5 is a plan view showing the conductive terminals in the floating connector of the present invention.

Figure 6 is a cross-sectional view taken along line VI-VI of Figure 1.

Figure 7 is a plan view showing the welding member of the floating connector of the present invention.

Figure 8 is a cross-sectional view of Figure 1 taken along line VIII-VIII.

Figure 9 is a perspective view (I) of the signal transmission component of the present invention.

Figure 10 is a cross-sectional view of Figure 9 taken along line X-X.

Figure 11 is a cross-sectional view of Figure 9 taken along line XI-XI.

Figure 12 is a cross-sectional view taken along line XII-XII of Figure 9.

Figure 13 is a perspective view (2) of the signal transmission assembly of the present invention.

Figure 14 is an exploded perspective view of Figure 13.

Figure 15 is a cross-sectional view of Figure 13 taken along line XIV-XIV.

Please refer to FIG. 1 to FIG. 15 for an embodiment of the present invention. It should be noted that the related embodiments of the present invention are only used to specifically describe the embodiments of the present invention. It is to be understood that the scope of the invention is not intended to limit the scope of the invention.

As shown in FIG. 1 and FIG. 2, the embodiment discloses a floating connector 100 which can be used for plugging in an object connector (not shown) and applied to a moving object (such as a car). . Wherein, when the floating connector 100 and the object connector are relatively moved, the floating connector 100 can stably maintain an electrical connection with the object connector.

The floating connector 100 includes an insulative housing 1, a plurality of conductive terminals 2 mounted on the insulative housing 1, and two soldering members 3 movably mounted in the insulative housing 1. It should be noted that the welding member 3 is described with the insulating housing 1 of the present embodiment, but the welding member 3 can also be applied separately, and is not limited to the embodiment. The respective component configurations of the floating connector 100 of the present embodiment and their connection relationships will be separately described below, and will be described first in the construction of the floating connector 100 which is not soldered to any of the articles.

As shown in FIG. 3 and FIG. 4, the insulative housing 1 includes a long insertion portion 11 and two extension portions 12 respectively connected to opposite ends of the insertion portion 11, and are respectively located at the same position. Two end portions 13 on the two extensions 12 are described. In the present embodiment, the insertion portion 11 and the two extension portions 12 are integrally formed, and the two end portions 13 are separately detachably assembled to the two extension portions 12. That is, the configuration of the end portion 13 is the same as the cover body in the present embodiment, and is disposed on the corresponding extension portion 12 from above to below, but the construction of the insulative housing 1 of the present invention is not limited. this. For example, in an embodiment not shown in the present invention, the insulative housing 1 may be One-piece construction in one piece.

In addition, each of the end portions 13 and the mutually extending extending portions 12 are illustrated in the present embodiment by being fastened to each other. However, in actual application, the assembling manner of the end portions 13 and the extending portions 12 may also be based on The present invention is not limited herein, and is changed by the designer's needs.

In more detail, the inner side of each of the end portions 13 and the inner side of the corresponding extending portion 12 are integrally formed with a limiting slot 14 (eg, FIG. 8), and each limiting slot 14 is formed with a limiting wall 121 and a direction. Two limiting holes 131 of the limiting wall 121. Wherein, in each end portion 13 of the embodiment and the mutually extending extension portion 12, two limiting holes 131 are formed penetratingly at the end portion 13, and the limiting wall 121 is located at the extending portion. 12, but the invention is not limited thereto. For example, in an embodiment not shown in the present invention, the end portion may be covered from the bottom to the corresponding extension portion 12, and the two limiting holes 131 are formed through the extension portion. 12, and the limiting wall 121 is located at the end portion 13.

In addition, the insertion portion 11 includes a insertion slot body 111 and a tongue plate 112 extending perpendicularly from the groove bottom of the insertion slot body 111, and the tongue plate 112 protrudes from the insertion slot body 111. . The insertion slot body 111 includes a bottom wall 1111 and two side walls 1112 respectively perpendicularly connected to the two side edges of the bottom wall 1111, and an outer surface of each side wall 1112 is adjacent to the bottom wall 1111. A plurality of holding portions 1113.

The plurality of holding portions 1113 on each of the side walls 1112 are arranged in a row along the length direction of the insertion portion 11. In this embodiment, a rib is formed on the outer surface of each side wall 1112, and the rib is adjacent to the bottom wall 1111 and is formed with a plurality of notches penetrating vertically. Each of the notches is defined as a holding portion 1113, but the present invention The configuration of the holding portion 1113 is not limited thereto.

As shown in FIGS. 3 and 4, the plurality of conductive terminals 2 are mounted to the plug portion 11 of the insulative housing 1 and the length of the plurality of conductive terminals 2 along the plug portion 11 The directions are arranged in two columns parallel to each other. Each of the conductive terminals 2 includes a first portion 21 disposed on the insertion portion 11 and a second portion 22 not in contact with the insertion portion 11.

Since each of the conductive terminals 2 of the present embodiment has substantially the same configuration, for convenience of explanation, the following will be constructed with a single conductive terminal 2 and its corresponding plug portion 11 (eg, the corresponding tongue 112 portion and phase) The corresponding holding portion 1113) is described. However, in other embodiments not shown in the present invention, the configuration of the plurality of conductive terminals 2 may also differ or be different from that described below.

As shown in FIG. 5 and FIG. 6, the conductive terminal 2 is an integrally formed one-piece construction, and the first portion 21 includes a contact portion 211 and a curved portion 212, and the second portion 22 includes a resilient portion 221 And a fixed section 222. That is, one end of the curved section 212 (such as the right end of the curved section 212 in FIG. 5) is connected to the contact section 211, and both ends of the elastic section 221 are respectively connected to the other end of the curved section 212 ( For example, the left end of the curved section 212 in FIG. 5) and the fixed section 222.

In more detail, the contact segment 211 is embedded in the tongue 112, and one surface of the contact segment 211 is exposed outside the tongue 112 for abutting against the terminal of the object connector. A portion of the curved portion 212 connected to the contact portion 211 (such as the right portion of the curved portion 212 in FIG. 6) is embedded in the bottom wall 1111, and a bottom portion of the curved portion 212 is embedded in the bottom of the bottom wall 1111. The other side portion of the curved section 212 (such as the left side of the curved section 212 in FIG. 6) is embedded in the corresponding holding portion 1113. It should be noted that the fixing manner between the curved portion 212 and the corresponding holding portion 1113 is illustrated by being embedded and fixed in the embodiment, but in actual application, it may be adjusted according to the designer's needs. Variety.

The elastic section 221 is located outside the insertion portion 11, and the elastic section 221 of the embodiment is substantially U-shaped. The center line C221 of the elastic section 221 is opposite to the curved section 212 embedded in the holding portion 1113 (or Plug-in direction of the floating connector 100) The clip has an acute angle σ, and the acute angle σ is between 30 and 60 degrees. Furthermore, the elastic section 221 and the curved section 212 are formed with a first angle σ1, and the first angle is between 120 and 150 degrees. a second angle σ2 formed by the elastic segment 221 and the fixed segment 222, and the first angle σ1 and the second angle σ2 are within a range of 5 degrees (eg, the first angle σ1 of the embodiment is substantially equivalent to the first The two angles σ2), but the invention is not limited thereto.

The fixing section 222 is located outside the plug portion 11 , and the fixing section 222 is a structure suitable for surface mounting technology (SMT) welding in this embodiment, but the invention is not limited thereto. . For example, in other embodiments not shown in the present invention, the fixing section 222 may also be a configuration suitable for plug welding. Furthermore, the fixing section 222 is formed with a step surface 2221 and a fixing surface 2222 on opposite surfaces (such as the top surface and the bottom surface of the fixing section 222 in FIG. 5). The step surface 2221 and the fixing surface 2222 are parallel to each other. And spaced apart by a distance, and the stepped surface 2221 is higher than the fixed surface 2222.

As shown in FIG. 3, FIG. 7, and FIG. 8, the two welding members 3 are respectively movably mounted to the two limiting slots 14, and since each of the welding members 3 of the embodiment is substantially identical in construction, For convenience of description, the following description will be made with a single welded member 3 and its corresponding limiting groove 14 (for example, the corresponding limiting wall 121 and the corresponding limiting hole 131). However, in other embodiments not shown in the present invention, the configurations of the two weldments 3 may also differ.

The welding member 3 is an integrally formed one-piece construction, and the welding member 3 includes a beam 31 in the form of a long strip, two elastic arms 32 connected to the beam 31, and are respectively connected to the beam 31. Two soldering legs 33 of the two ends (eg, the left and right ends of the beam 31 in Figure 7).

Wherein, the longitudinal direction of the beam 31 is substantially perpendicular to the arrangement direction of the one of the rows of the conductive terminals 2, and the beam 31 includes two long side edges 311 on opposite sides. Each of the resilient arms 32 has a free end 322 and is coupled to the beam 31 An elastic portion 321 is formed between the free end portion 322 and the free end portion 322. The two elastic arms 32 are respectively connected to the two long side edges 311 of the beam 31, and each of the elastic portions 321 is curved (eg, substantially perpendicular) from the corresponding long side edge 311 of the beam 31. Preferably, the two resilient arms 32 are offset from the beam 31.

In more detail, each of the elastic portions 321 includes at least one S-shaped configuration. In this embodiment, each of the elastic portions 321 includes two S-shaped structures that are connected end to end, and the two elastic portions 321 are The included S-shaped configurations are disposed opposite to each other, but the invention is not limited thereto. For example, in other embodiments not shown in the present invention, the elastic portion 321 can also be configured other than the S-shaped configuration.

In addition, the beam 31 faces the limiting wall 121 corresponding to the limiting slot 14, and when the floating connector 100 is not welded to any object, the beam 31 can be disposed at a corresponding limit. On the wall 121. The free end 322 of each of the elastic arms 32 is away from the two soldering legs 33, and the two free ends 322 are respectively movably disposed in the two limiting holes 131 of the corresponding limiting slots 14. The free end portion 322 and the partial elastic portion 321 of each elastic arm 32 can be inserted into the corresponding limiting holes 131.

The two welding legs 33 are vertically connected to the two ends of the beam 31, respectively, and the two welding legs 33 are disposed substantially in a mirror symmetry with respect to the beam 31. The two soldering legs 33 are respectively formed in an L-shaped configuration in the embodiment, and the two soldering legs 33 are all passed through the corresponding limiting slots 14 so that the bottom surface of each soldering leg 33 is lower than the above-mentioned A fixing surface 2222 of the conductive terminal 2.

It should be noted that the soldering leg 33 is a structure suitable for surface mounting technology (SMT) soldering in this embodiment, but the invention is not limited thereto. For example, in other embodiments not shown in the present invention, the soldering legs 33 may also be of a configuration suitable for interposing soldering.

The above is a floating connector 100 of the present embodiment that is not soldered to any of the objects. For example, the floating connector 100 of the present embodiment can be fixed (eg, soldered) to a circuit board 200, and the floating connector 100 and the circuit board 200 can be collectively referred to as a signal transmission in this embodiment. Component 1000 (eg, Figures 9 through 12). It should be noted that the floating connector 100 is described with the circuit board 200 of the embodiment, but the floating connector 100 can also be applied separately, and is not limited to the embodiment. Contained.

In order to facilitate understanding of the difference between the front and rear of the floating connector 100 soldered to the circuit board, the process of soldering the floating connector 100 of the present embodiment to the circuit board 200 will be described below.

As shown in FIG. 9 to FIG. 12, the floating connector 100 of the present embodiment is disposed on the circuit board 200 such that the fixing surface 2222 of the plurality of conductive terminals 2 and the bottom surface of the soldering legs 33 of the two soldering members 3 are disposed. At a corresponding junction of the circuit board 200, a soldering process is then performed to solder the floating connector 100 to the circuit board 200. Wherein, since the beam 31 of each of the welding members 3 is disposed on the corresponding limiting wall 121, the bottom surface of the welding leg 33 of each of the welding members 3 is lower than the fixing surface 2222 of any one of the above-mentioned conductive terminals 2, so When the bottom surfaces of the soldering legs 33 of the soldering member 3 are all disposed on the circuit board 200, the beam 31 of each soldering member 3 will move upward away from the corresponding limiting wall 121, and the two free ends of each soldering member 3 The 322 is further penetrated through the corresponding two limiting holes 131.

Furthermore, the process of soldering the floating connector 100 of the present embodiment to the above-described circuit board 200 has been described above, and the specific configuration and connection relationship of the signal transmission component 1000 of the present embodiment will be described below.

The plurality of conductive terminals 2 and the two soldering legs 33 of each soldering member 3 are soldered and fixed to the circuit board 200, and the cross beam 31 of each of the soldering members 3 and the corresponding limiting wall 121 are Set apart from each other. Therefore, when the insulating housing 1 moves relative to the circuit board 200, each of the elastic arms 32 of the two soldering members 3 can be pressed to provide a restoring force to the insulating housing 1, thereby enabling the signal transmission assembly 1000. (or the floating connector 100) has a better shockproof effect.

Further, in each of the welding members 3 of the present embodiment, each of the free ends 322 and the associated elastic portions 321 are partially received in the corresponding limiting holes 131, and each of the free ends 322 is partially (eg, the top of the free end 322 in FIG. 9) protrudes from the corresponding limiting hole 131. Wherein each of the free ends 322 has a thickness, and each of the free ends 322 is spaced apart from the inner wall of the corresponding limiting hole 131 by a distance less than the thickness (eg, FIG. 12), thereby The free ends 322 do not create excessive displacement within the corresponding stop holes 131.

In addition, as shown in FIG. 13 to FIG. 15 , in order to enable the fixing surfaces 2222 of the plurality of conductive terminals 2 to stably abut the corresponding contacts of the circuit board 200 , the signal transmission component 1000 may further include a positioning cover 300 . The positioning cover 300 is detachably inserted into the insertion portion 11 and pressed against the second portion 22 of the plurality of conductive terminals 2 (eg, the step surface 2221) so that the second portion of the plurality of conductive terminals 2 The ends of 22 (e.g., fixed faces 2222) are pressed against the circuit board 200. The positioning cover 300 can be removed from the insertion portion 11 after the welding process is implemented. It should be noted that the signal transmission component 1000 of the present invention is not limited to use the above-described positioning cover 300.

Furthermore, the positioning cover 300 can also abut against the two plate faces of the tongue plate 112 and the inner and outer surfaces of the two side walls 1112 of the insertion slot body 111, thereby making the insulating housing 1 The plug portion 11 can maintain a predetermined configuration without being deformed in the above welding process.

[Technical Effects of Embodiments of the Invention]

In summary, the signal transmission component and the floating connector and the welding component thereof disclosed in the embodiments of the present invention can be designed by the matching of the welding component and the corresponding insulating housing portion, so that when the insulating housing is moved, The elastic arms of the welded parts can be pressed to provide a restoring force to the insulating housing, thereby improving the shockproof effect.

Furthermore, the signal transmission component may further include a positioning cover that has been pressed against the second portion of the plurality of conductive terminals by the positioning cover, so that the plurality of conductive terminals The ends of the second portion are pressed against the circuit board to avoid the absence of a gap in the conductive terminals.

In addition, the floating connector disclosed in the embodiment of the present invention can also improve the anti-shock effect through the structural design of the conductive terminal, and the conductive terminal and the insertion portion of the insulating housing cooperate with each other (eg, the conductive terminal only The one side of the elastic section is fixed on the plug portion, and the elastic section is exposed outside the plug cavity, so that the performance limitation of the conductive terminal on the conductive terminal can be avoided, thereby effectively lifting the floating connector. Shockproof effect.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. The equivalents and modifications made by the scope of the present invention should fall within the scope of the claims of the present invention. .

Claims (10)

A signal transmission assembly comprising: a circuit board; and a floating connector fixed to the circuit board, and the floating connector comprises: an insulative housing comprising: a plug portion; two extensions a portion respectively connected to opposite ends of the insertion portion; and two end portions respectively located on the two extension portions such that the inner side of each of the end portions and the corresponding inner side of the extension portion Forming a limiting slot, and each of the limiting slots is formed with a limiting wall and two limiting holes facing the limiting wall; a plurality of conductive terminals are mounted on the insulating housing, and each The conductive terminal includes a first portion disposed at the plug portion and a second portion not contacting the plug portion; and two soldering members respectively movably mounted to the two of the limits a groove, and each of the weldments comprises: a beam facing the limit wall corresponding to the limit groove; two elastic arms connected to the beam and each having a free end, two The free ends are respectively movably disposed in the corresponding places Two of the limiting holes of the limiting slot; and two soldering legs are respectively connected to the two ends of the beam and pass through the corresponding limiting slots; wherein the plurality of the conductive terminals are Two soldering legs of each of the soldering members are soldered to the circuit board, and the cross members of each of the soldering members are spaced apart from each other between the corresponding limiting walls; when the insulating Each of the two resilient arms of the two weldments can be compressed to provide a restoring force to the insulative housing as the housing moves relative to the circuit board. The signal transmission component of claim 1, wherein the signal transmission component further comprises a positioning cover, and the positioning cover is detachably inserted into the insertion portion and pressed against the plurality of the conductive terminals The second portion is such that the ends of the second portions of the plurality of conductive terminals are pressed against the circuit board. The signal transmission assembly of claim 1 or 2, wherein in each of the weldments, each of the free ends is away from the two of the soldering legs and partially protrudes from the corresponding limit a hole; each of the free ends has a thickness, and each of the free ends is spaced apart from an inner wall corresponding to the limiting holes by a distance less than the thickness. A floating connector includes: an insulative housing comprising: a plug portion; two extension portions respectively connected to opposite ends of the plug portion; and two end portions respectively located at two Forming a limiting slot on the inner side of each of the end portions and the corresponding inner side of the extending portion, and each of the limiting slots is formed with a limiting wall and facing the limiting position Two limiting holes of the wall; a plurality of conductive terminals mounted to the insertion portion of the insulating housing; and two soldering members respectively movably mounted to the two of the limiting slots, and each The welding member comprises: a beam facing the limiting wall corresponding to the limiting groove; two elastic arms connected to the beam and each having a free end, two of the free end portions Optionally traversing through the two limiting holes corresponding to the limiting slot; and two soldering legs respectively connected to the two ends of the beam and passing through the corresponding limit groove. The floating connector of claim 4, wherein each of the weldments is an integrally formed one-piece construction, and in each of the weldments, each of the resilient arms has a connection to the An elastic portion between the beam and the free end, each of the elastic portions extending curvedly from the beam and including at least one S-shaped configuration. The floating connector of claim 5, wherein in each of the weldments, each of the free ends is away from two of the weld legs, and the free end of each of the resilient arms The portion and the portion of the elastic portion can be inserted into the corresponding limiting holes. The floating connector according to any one of claims 4 to 6, wherein the insertion portion and the two extension portions are integrally formed, and the two end portions are separately detachably assembled In two of the extensions. The floating connector according to claim 7, wherein, in each of the end portions and the extending portions assembled to each other, two of the limiting holes are formed penetratingly at the end portion The limiting wall is located at the extension. A welded connector of a floating connector, which is an integrally formed one-piece construction and includes: a beam in the form of a long strip; two resilient arms connected to the two long side edges of the beam, and Two elastic arms are spaced apart, each of the elastic arms having a resilient portion bently connected to the beam and a free end extending from the elastic portion, and each of the elastic portions includes at least An S-shaped configuration; and two welded legs are respectively connected to the two ends of the beam. The weldment of the floating connector of claim 9, wherein the beam comprises two long side edges on opposite sides, two of the two elastic arms being substantially perpendicularly connected to the two of the beams The long side edges, and the two elastic arms are disposed offset from the beam.