Bridging piece

Abstract

The utility model discloses a bridging piece, which comprises an insulating part and an inserting part connected with one end of the insulating part, the inserting part is used for being inserted into a hole of a terminal block current carrier, and the inserting part comprises a first inserting sheet and a second inserting sheet which are oppositely arranged; the first inserting piece comprises first locking holes and first locking columns which are alternately arranged; the second inserting piece comprises second locking holes and second locking columns which are alternately arranged; the first locking hole and the second locking column are oppositely arranged, and the first locking hole is connected with the second locking column; the first locking column and the second locking hole are oppositely arranged, and the first locking column is connected with the second locking hole. According to the utility model, the deformation of the bridging piece can be better prevented, the production yield is improved, and the electrical connection between each tooth and the terminal block current carrier is more balanced due to the non-deformation of the bridging piece, so that the electrical connection system of the whole machine is more stable; in addition, the insertion force is smaller, and the installation efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of bridging components, in particular to a bridging component. Background Art

[0002] In some specific circuits, several lines need to be short-circuited. However, direct wiring not only affects the appearance of the product, but is also very troublesome during line maintenance and inspection. Therefore, terminal bridges can be used for short-circuiting when using terminal blocks.

[0003] The existing bridge components have the following problems:

[0004] Problem 1: Products with multiple teeth are prone to deformation, which affects installation. This type of bridging product is generally a comb-shaped structure, which is easy to deform after stamping and riveting. The longer the product is and the more teeth it has, the greater the deformation. This will cause customers to insert it into the bridging holes in a straight line, making it difficult for the teeth and holes to match one to one. In other words, it is difficult to insert, and if it is forced into place, the conductivity between each tooth and hole will vary due to the internal stress of the connection, the shape of the contact point, and the position. This will affect the electrical accuracy of the entire system. If it is assembled on equipment that transmits data signals at high speed, it may cause instability in the entire system. Bridging parts are generally made of two pieces of dressing hardware that are fitted together and riveted. The conventional grid structure is to set a rivet column on one of the hardware pieces and a rivet hole on the other hardware piece. The two pieces are then fitted together and riveted together. After riveting, the product will generate internal stress due to the expansion of the hole by the column. This internal stress makes the product longer and bends.

[0005] Problem 2: High insertion force affects installation. When the bridge is installed on the terminal block, to ensure a reliable electrical connection between the bridge teeth and the current carrier of the terminal, the width of the tooth head is greater than the width of the mating hole, forming an interference fit. After inserting the bridge with force, the two pieces of the tooth hardware undergo elastic deformation, which simultaneously generates friction that prevents insertion. The shorter the elastic deformation length of the tooth, that is, the shorter the force arm, the greater the elastic force and friction for the same deformation amount, which makes insertion more difficult. Especially when inserting multiple teeth simultaneously, the force is even greater. Utility Model Content

[0006] (1) Technical issues to be solved

[0007] The technical problem to be solved by the present invention is to provide a bridging component, which can better prevent the bridging component from deformation, thereby improving the production yield rate. The "non-deformation" of the bridging component makes the electrical connection between each tooth and the terminal block current carrier more balanced, thereby making the electrical connection system of the entire machine more stable; in addition, it also makes the insertion force smaller and the installation efficiency higher.

[0008] (2) Technical solution

[0009] The solution adopted by the present invention to solve the above-mentioned technical problems is a bridging piece, including an insulating part and a plug-in part connected to one end of the insulating part, the plug-in part is used to be plugged into the hole of the terminal block carrying current; the plug-in part includes a first plug-in piece and a second plug-in piece arranged opposite to each other; the first plug-in piece includes first locking holes and first locking columns arranged alternately; correspondingly, the second plug-in piece includes second locking holes and second locking columns arranged alternately; wherein, the first locking hole and the second locking column are arranged opposite to each other, and the first locking hole and the second locking column are connected; the first locking column and the second locking hole are arranged opposite to each other, and the first locking column and the second locking hole are connected.

[0010] By adopting the above scheme, the first locking holes and the first locking columns are arranged alternately, and the second locking holes and the second locking columns are arranged alternately; so that the internal stresses after the first locking columns are inserted into the second locking holes and the second locking columns are inserted into the first locking holes offset each other, thereby preventing the internal stress from causing the product to deform and bend, and making the connection between the plug-in part of the bridge piece and the terminal block current carrier more balanced, so that the electrical connection system of the entire machine is more stable.

[0011] In some embodiments, the sizes of the first locking hole and the second locking hole decrease along their thickness direction; and the end of the first locking hole close to the second plug-in piece is the small end, and the end of the second locking hole close to the first plug-in piece is the small end.

[0012] In some embodiments, the first locking post and the second locking post have constant dimensions along their axial directions.

[0013] By adopting the above solution, the first locking hole and the second locking hole can provide deformation space for the second locking column and the first locking column; and also, the first locking column and the second locking column can form an inverted structure after being assembled in the second locking hole and the first locking hole, making the connection between the two more secure.

[0014] In some embodiments, the first locking hole and the second locking hole have a tapered cross-section.

[0015] In some embodiments, the first locking post and the second locking post are cylindrical in cross-section.

[0016] Specifically, the first locking hole and the second locking hole are configured as tapered holes, which, on the one hand, provide deformation space for the second locking column and the first locking column; on the other hand, after the first locking column and the second locking column are assembled in the second locking hole and the first locking hole, an undercut structure can be formed, making the connection between the two more secure. Specifically, after the first plug-in piece and the second plug-in piece are close to each other and fit together, a pressure is applied to the first plug-in piece toward the second plug-in piece and a pressure is applied to the second plug-in piece toward the first plug-in piece; the first locking column and the second locking column will deform outward, close to the inner wall of the second locking hole and the first locking hole, which are tapered holes, forming an undercut structure and thus locking. This makes the connection between the first plug-in piece and the second plug-in piece more secure, thereby making the connection between the plug-in part of the bridge piece and the terminal block current carrier more balanced, and thus making the electrical connection system of the entire machine more stable.

[0017] It should be noted that the first locking hole and the second locking hole may also be polygonal tapered holes; the first locking column and the second locking column may also be matching polygonal columns.

[0018] In some embodiments, the first plug-in piece includes a first fixing portion and a plurality of first deformable portions connected to one end of the first fixing portion; the plurality of first deformable portions are arranged at intervals along the length direction of the first fixing portion;

[0019] The second plug-in piece includes a second fixing portion and a plurality of second deformation portions connected to one end of the second fixing portion; the plurality of second deformation portions are arranged at intervals along the length direction of the second fixing portion.

[0020] In some embodiments, the first fixing portion is alternately provided with the first locking holes and the first locking columns along its length direction; and the second fixing portion is alternately provided with the second locking holes and the second locking columns along its length direction.

[0021] Specifically, compared with the vertical distribution of the existing locking column and locking hole, this structure arranges the first locking hole and the first locking column in a horizontal alternating arrangement, and the second locking hole and the second locking column in a horizontal alternating arrangement. This allows the first deformation part and the second deformation part to form a longer force arm while keeping the length unchanged, thereby forming a longer elastic deformation area; and it can be achieved that when the plug-in part and the hole of the terminal block carrier interfere with each other, the friction force is smaller under the condition of the same lateral deformation amount, the insertion force is small, and the feel of use is good, thereby improving installation efficiency and reducing labor costs, especially the installation of products with multiple plug-in parts.

[0022] In some embodiments, the insulating part includes an insulating body and an extending arm, which is relatively arranged below the insulating body and extends longitudinally; the first fixing portion of the first plug-in piece and the second fixing portion of the second plug-in piece are placed in the insulating body; the first deformation portion of the first plug-in piece and the second deformation portion of the second plug-in piece are placed in the extending arm and extend outside the extending arm.

[0023] In some embodiments, the number of the extended arms is equal to the number of the plug-in parts of the bridging member, and the extended arms are arranged at intervals along the length direction of the insulating body; and the length of the extended arms at both ends of the insulating body in the length direction is greater than the length of the remaining extended arms; and a card platform structure for carding the plug-in parts is also provided in the extended arms at both ends to improve the reliability of the plug-in parts on the extended arms, so that the connection between the plug-in parts of the bridging member and the terminal block current carrier is more balanced, thereby making the electrical connection system of the entire machine more stable.

[0024] In some embodiments, a first receiving cavity is provided in the insulating body along its length direction; a second receiving cavity is provided in the extending arm along its axial direction; wherein a transition cavity is formed between the first receiving cavity and the second receiving cavity; a first transition portion is formed between the first fixing portion and the first deformation portion, and a second transition portion is formed between the second fixing portion and the second deformation portion; the first transition portion and the second transition portion are adapted to the transition cavity.

[0025] In some embodiments, two opposite walls of the transition cavity extend in a direction toward each other to form a protrusion; the end walls of the first transition portion and the second transition portion are recessed inward to form a recess; and the recess cooperates with the protrusion.

[0026] By adopting the above solution, the connection reliability between the first plug-in piece, the second plug-in piece and the insulating part is improved through the cooperation between the protrusion and the recess.

[0027] (3) Beneficial effects

[0028] Compared with the prior art, the utility model designs a bridge component.

[0029] (1) The utility model can better prevent the deformation of the bridge member, thereby improving the production yield rate. The "non-deformation" of the bridge member makes the electrical connection between each tooth and the terminal block current carrier more balanced, thereby making the electrical connection system of the entire machine more stable; in addition, it also makes the insertion force smaller and the installation efficiency higher;

[0030] (2) The utility model arranges the first locking holes and the first locking columns alternately, and the second locking holes and the second locking columns alternately; this allows the internal stresses after the first locking columns are inserted into the second locking holes and the second locking columns are inserted into the first locking holes to offset each other, thereby preventing the internal stresses from causing the product to deform and bend, thereby making the connection between the plug-in portion of the bridge component and the terminal block current carrier more balanced, and thus making the electrical connection system of the entire device more stable;

[0031] (3) The present invention sets the first locking hole and the second locking hole as tapered holes, which on the one hand provides deformation space for the second locking column and the first locking column; on the other hand, after the first locking column and the second locking column are assembled in the second locking hole and the first locking hole, an undercut structure can be formed, making the connection between the two more secure; specifically, after the first plug-in piece and the second plug-in piece are close to each other and fit together, a pressure is applied to the first plug-in piece toward the second plug-in piece and a pressure is applied to the second plug-in piece toward the first plug-in piece; the first locking column and the second locking column will be deformed outwards, and fit closely against the inner wall of the second locking hole and the first locking hole which are tapered holes, forming an undercut structure and thus locking, which makes the connection between the first plug-in piece and the second plug-in piece more secure, thereby making the connection between the plug-in part of the bridge piece and the terminal block current carrier more balanced, and thus making the electrical connection system of the whole machine more stable;

[0032] (4) Compared with the vertical distribution of the existing locking column and locking hole, the present invention sets the first locking hole and the first locking column in a horizontal alternating arrangement, and the second locking hole and the second locking column in a horizontal alternating arrangement. This allows the first deformation portion and the second deformation portion to form a longer force arm while keeping the length unchanged, thereby forming a longer elastic deformation area. It can also achieve that when the plug-in portion and the hole of the terminal block interfere with each other and the amount of lateral deformation is the same, the friction force is smaller, the insertion force is small, and the feel of use is good, thereby improving the installation efficiency and reducing the labor cost, especially for the installation of products with multiple plug-in portions.

[0033] (5) The utility model improves the connection reliability between the first plug-in piece, the second plug-in piece and the insulating part through the cooperation of the protrusion and the recess, so that the connection between the plug-in part of the bridge piece and the terminal block current carrier is more balanced, thereby making the electrical connection system of the whole machine more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0035] Figure 1This is a structural diagram of a bridge member of the present invention;

[0036] Figure 2 This is an exploded view of a bridge member of the present invention;

[0037] Figure 3 This is an exploded view of the plug-in portion of the present invention;

[0038] Figure 4 This is a schematic structural diagram of the plug-in portion of the present invention;

[0039] Figure 5 for Figure 4 Cross-sectional view at AA in the middle;

[0040] Figure 6 for Figure 5 The enlarged schematic diagram of point B in the middle;

[0041] Figure 7 This is a cross-sectional view of the insulating portion of the present invention.

[0042] The names of the components corresponding to the various figure marks in the figure are: 100, insulating part; 101, insulating body; 1011, first accommodating cavity; 102, extending arm; 1021, second accommodating cavity; 1022, card table structure; 103, transition cavity; 1031, protrusion; 200, plug-in part; 201, first plug-in piece; 2011, first locking hole; 2012, first locking column; 2013, first fixing part; 2014, first deformation part; 2015, first transition part; 202, second plug-in piece; 2021, second locking hole; 2022, second locking column; 2023, second fixing part; 2024, second deformation part; 2025, second transition part; 203, recessed part. DETAILED DESCRIPTION

[0043] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0044] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0045] The following describes the embodiments of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the features in the following embodiments and embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of this application.

[0046] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on this application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0047] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The illustrations only show components related to the present application and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0048] Additionally, in the following description, specific details are provided to provide a thorough understanding of the examples, however, one skilled in the art will appreciate that the examples can be practiced without these specific details.

[0049] The following describes the technical solutions provided by various embodiments of the present application in conjunction with the accompanying drawings.

[0050] like Figure 1-Figure 7As shown, the utility model provides a bridging member, including an insulating part 100 and a plug-in part 200 connected to one end of the insulating part 100, and the plug-in part 200 is used to be plugged into the hole of the terminal block current carrier; the plug-in part 200 includes a first plug-in piece 201 and a second plug-in piece 202 arranged opposite to each other; the first plug-in piece 201 includes a first locking hole 2011 and a first locking column 2012 arranged alternately; correspondingly, the second plug-in piece 202 includes a second locking hole 2021 and a second locking column 2022 arranged alternately; wherein, the first locking hole 2011 and the second locking column 2022 are arranged opposite to each other, and the first locking hole 2011 and the second locking column 2022 are connected; the first locking column 2012 and the second locking hole 2021 are arranged opposite to each other, and the first locking column 2012 and the second locking hole 2021 are connected. By adopting the above scheme, the first locking holes 2011 and the first locking columns 2012 are arranged alternately, and the second locking holes 2021 and the second locking columns 2022 are arranged alternately; so that the internal stresses after the first locking columns 2012 are inserted into the second locking holes 2021 and the second locking columns 2022 are inserted into the first locking holes 2011 offset each other, thereby preventing the internal stresses from causing the product to deform and bend, and making the connection between the plug-in portion 200 of the bridge component and the terminal block current carrier more balanced, thereby making the electrical connection system of the entire device more stable.

[0051] In some embodiments, the dimensions of the first locking hole 2011 and the second locking hole 2021 decrease along their thickness. The first locking hole 2011 has a smaller dimension at its end closest to the second plug-in tab 202, while the second locking hole 2021 has a smaller dimension at its end closest to the first plug-in tab 201. In some embodiments, the first locking post 2012 and the second locking post 2022 have constant dimensions along their axial direction. With this arrangement, the first locking hole 2011 and the second locking hole 2021 provide space for the second locking post 2022 and the first locking post 2012 to deform. Furthermore, when the first locking post 2012 and the second locking post 2022 are assembled with the second locking hole 2021 and the first locking hole 2011, they form an undercut structure, further strengthening the connection. Specifically, the first locking hole 2011 and the second locking hole 2021 have a tapered cross-section. Specifically, the first locking post 2012 and the second locking post 2022 have a cylindrical cross-section. By adopting the above scheme, the first locking hole 2011 and the second locking hole 2021 are set as tapered holes, which on the one hand provides deformation space for the second locking column 2022 and the first locking column 2012; on the other hand, after the first locking column 2012 and the second locking column 2022 are assembled in the second locking hole 2021 and the first locking hole 2011, an inverted structure can be formed, making the connection between the two more secure. Specifically, after the first plug-in piece 201 and the second plug-in piece 202 are close to each other and fit together, a pressure is applied to the first plug-in piece 201 toward the second plug-in piece 202 and a pressure is applied to the second plug-in piece 202 toward the first plug-in piece 201; the first locking column 2012 and the second locking column 2022 will be deformed outward, and fit against the inner wall of the second locking hole 2021 and the first locking hole 2011 which are tapered holes, forming an inverted structure and thus locking, which makes the connection between the first plug-in piece 201 and the second plug-in piece 202 more secure, thereby making the connection between the plug-in portion 200 of the bridge component and the terminal block current carrier more balanced, and thus the electrical connection system of the entire machine is more stable.

[0052] In some embodiments, the first plug-in piece 201 includes a first fixing portion 2013 and a plurality of first deformable portions 2014 connected to one end of the first fixing portion 2013; the plurality of first deformable portions 2014 are spaced apart along the length of the first fixing portion 2013; the second plug-in piece 202 includes a second fixing portion 2023 and a plurality of second deformable portions 2024 connected to one end of the second fixing portion 2023; the plurality of second deformable portions 2024 are spaced apart along the length of the second fixing portion 2023. In some embodiments, the first fixing portion 2013 is alternately provided with the first locking holes 2011 and the first locking posts 2012 along its length; and the second fixing portion 2023 is alternately provided with the second locking holes 2021 and the second locking posts 2022 along its length. Specifically, compared with the vertical distribution of the existing locking columns and locking holes, this structure arranges the first locking holes 2011 and the first locking columns 2012 in a horizontal alternating arrangement, and the second locking holes 2021 and the second locking columns 2022 in a horizontal alternating arrangement. This allows the first deformation portion 2014 and the second deformation portion 2024 to form a longer force arm while keeping the length unchanged, thereby forming a longer elastically deformable area. This allows the plug-in portion 200 to interfere with the hole of the terminal block carrier when inserted and matched, and the lateral deformation amount is the same, but the friction force is smaller, the insertion force is small, and the feel is good, thereby improving installation efficiency and reducing labor costs, especially for the installation of products with multiple plug-in portions 200.

[0053] In some embodiments, the insulating part 100 includes an insulating body 101 and an extending arm 102, the extending arm 102 is relatively arranged below the insulating body 101 and extends longitudinally; the first fixing portion 2013 of the first plug-in piece 201 and the second fixing portion 2023 of the second plug-in piece 202 are placed in the insulating body 101; the first deformation portion 2014 of the first plug-in piece 201 and the second deformation portion 2024 of the second plug-in piece 202 are placed in the extending arm 102 and extend outside the extending arm 102. In some embodiments, the number of the extended arms 102 is equal to the number of the plug-in portions 200 of the bridging member, and the extended arms 102 are arranged at intervals along the length direction of the insulating body 101; and the length of the extended arms 102 at both ends of the insulating body 101 is greater than the length of the remaining extended arms 102; and, a card platform structure 1022 for carding the plug-in portion is also provided in the extended arms 102 at both ends to improve the reliability of the plug-in portion 200 on the extended arms 102, so that the connection between the plug-in portion 200 of the bridging member and the terminal block current carrier is more balanced, thereby making the electrical connection system of the entire machine more stable. In some embodiments, the insulating body 101 is provided with a first receiving cavity 1011 along its length; the extending arm 102 is provided with a second receiving cavity 1021 along its axis; a transition cavity 103 is formed between the first receiving cavity 1011 and the second receiving cavity 1021; a first transition portion 2015 is formed between the first fixing portion 2013 and the first deforming portion 2014, and a second transition portion 2025 is formed between the second fixing portion 2023 and the second deforming portion 2024; the first transition portion 2015 and the second transition portion 2025 are adapted to the transition cavity 103. In some embodiments, two opposing walls of the transition cavity 103 extend toward each other to form protrusions 1031; the end walls of the first transition portion 2015 and the second transition portion 2025 are recessed inward to form recesses 203; and the recesses 203 mate with the protrusions 1031. By adopting the above solution, the connection reliability between the first plug-in piece 201 and the second plug-in piece 202 and the insulating part 100 is improved through the cooperation between the protrusion 1031 and the recessed part 203 .

[0054] The same or similar parts between the various embodiments in this specification can be referred to each other, and each embodiment focuses on the differences from other embodiments.

[0055] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A bridge member, comprising an insulating portion (100) and a plug-in portion (200) connected to one end of the insulating portion (100), wherein the plug-in portion (200) is used to be plugged into a hole of a current-carrying terminal block, characterized in that: The plug-in portion (200) comprises a first plug-in piece (201) and a second plug-in piece (202) arranged opposite to each other; the first plug-in piece (201) comprises a first locking hole (2011) and a first locking column (2012) arranged alternately; correspondingly, the second plug-in piece (202) comprises a second locking hole (2021) and a second locking column (2022) arranged alternately; wherein the first locking hole (2011) and the second locking column (2022) are arranged opposite to each other, and the first locking hole (2011) and the second locking column (2022) are connected; the first locking column (2012) and the second locking hole (2021) are arranged opposite to each other, and the first locking column (2012) and the second locking hole (2021) are connected.

2. The bridge member according to claim 1, wherein: The sizes of the first locking hole (2011) and the second locking hole (2021) decrease from large to small along the thickness direction thereof; and the end of the first locking hole (2011) close to the second plug-in piece (202) is the end with the smaller size, and the end of the second locking hole (2021) close to the first plug-in piece (201) is the end with the smaller size.

3. The bridge member according to claim 2, wherein: The cross-sections of the first locking hole (2011) and the second locking hole (2021) are tapered.

4. The bridge member according to claim 1, wherein: The dimensions of the first locking column (2012) and the second locking column (2022) along their axial directions remain unchanged.

5. The bridge member according to claim 1, wherein: The first plug-in piece (201) comprises a first fixing portion (2013) and a plurality of first deformation portions (2014) connected to one end of the first fixing portion (2013); the plurality of first deformation portions (2014) are arranged at intervals along the length direction of the first fixing portion (2013); The second plug-in piece (202) comprises a second fixing portion (2023) and a plurality of second deformation portions (2024) connected to one end of the second fixing portion (2023); the plurality of second deformation portions (2024) are arranged at intervals along the length direction of the second fixing portion (2023).

6. The bridge member according to claim 5, characterized in that: The first fixing portion (2013) is alternately provided with the first locking holes (2011) and the first locking columns (2012) along its length direction; the second fixing portion (2023) is alternately provided with the second locking holes (2021) and the second locking columns (2022) along its length direction.

7. The bridge member according to claim 5, characterized in that: The insulating portion (100) comprises an insulating body (101) and an extension arm (102), wherein the extension arm (102) is relatively arranged below the insulating body (101) and extends longitudinally; the first fixing portion (2013) of the first plug-in piece (201) and the second fixing portion (2023) of the second plug-in piece (202) are placed in the insulating body (101); the first deformation portion (2014) of the first plug-in piece (201) and the second deformation portion (2024) of the second plug-in piece (202) are placed in the extension arm (102) and extend outside the extension arm (102).

8. The bridge member according to claim 7, characterized in that: The insulating body (101) is provided with a first receiving cavity (1011) along its length direction; the extending arm (102) is provided with a second receiving cavity (1021) along its axial direction; wherein a transition cavity (103) is formed between the first receiving cavity (1011) and the second receiving cavity (1021); a first transition portion (2015) is formed between the first fixing portion (2013) and the first deformation portion (2014), and a second transition portion (2025) is formed between the second fixing portion (2023) and the second deformation portion (2024); the first transition portion (2015) and the second transition portion (2025) are adapted to the transition cavity (103).

9. The bridge member according to claim 8, characterized in that: The two opposite walls of the transition cavity (103) extend in a direction approaching each other to form a protrusion (1031); the end walls of the first transition portion (2015) and the second transition portion (2025) are recessed inward to form a recess (203); and the recess (203) cooperates with the protrusion (1031).

Images