Sheath connecting structure

Abstract

The utility model discloses a sheath connecting structure which comprises a sheath body, the sheath body is provided with at least one branch cross-under end and a gathering cross-under end, and the outside of the gathering cross-under end is provided with a clamping piece connecting structure. The clamping piece connecting structure comprises a clamping groove used for achieving sleeving of the clamping piece and a profiling structure used for anti-rotation positioning. The sheath connecting structure is convenient and fast to operate, can improve the assembly mistake proofing performance, can also achieve the anti-rotation function, cannot rotate in the clamping and fixing process of the clamping piece, and ensures that the branch penetrating ends can be limited and fixed according to the set position trend.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile cable, in particular to a sheath connecting structure. BACKGROUND

[0002] At present, in the case that the existing vehicle body cannot weld and bolt install sheet metal support, in order to realize the installation and fixation of functional wire harness, the conventional method is to redevelop and design the vehicle body sheet metal, which has the problems of great development and design difficulty and high cost.

[0003] With the development of new energy vehicles, in order to reduce the design and development cost of vehicle body sheet metal, the sheath and buckle assembly fixing method is also used, but in the process of assembling and fixing the functional wire harness and the vehicle body sheet metal by using the existing sheath and buckle, there are problems of high error rate in the assembly process, time-consuming and laborious installation, etc., which seriously reduces the work efficiency, and at the same time, the existing sheath is easy to rotate after installation, which cannot meet the installation precision requirement.

[0004] Therefore, it is urgent to design a sheath connecting structure which can meet the requirements of wire harness design and arrangement, does not need to redevelop and design the original sheet metal support, reduces the cost, realizes the quick assembly and fixation of wire harness and vehicle body sheet metal, improves the assembly error prevention and anti-rotation function after assembly. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems of existing sheath structure, such as easy error in assembly and fixation process, easy rotation, time-consuming and laborious installation, low work efficiency and low assembly precision, and provides a sheath connecting structure which can realize the quick assembly of functional wire harness, is not easy to make mistakes, does not rotate, can effectively improve the assembly error prevention and anti-rotation function after assembly.

[0006] The utility model discloses a sheath connecting structure, including sheath body, at least one branch is set up on the sheath body and is inserted into the end and one summary is inserted into the end, is provided with the joint of card piece connecting structure outside the summary, the joint of card piece connecting structure includes the card slot for realizing the joint of card piece sleeve and the imitation structure for preventing rotation positioning. The sheath connecting structure, by setting up a sheath body, at least one branch is set up on the sheath body and can be used for realizing the location of the limiting summary of multiple branch harness according to the set position, after the summary, through the summary of the end summary, the summary harness is finally spanned to the vehicle body and is connected with the rear cabin bus through the tail end connector. Because the joint of card piece connecting structure is provided outside the summary, the joint of card piece connecting structure can realize the arbitrary positioning connection between the sheath body and the body sheet metal, need not to develop and design the body sheet metal additionally, only need to set up sheet metal perforation in the corresponding position, and the joint of card piece and sheet metal perforation joint can realize the connection, convenient and quick, and the setting of the imitation structure can clear assembly direction, and the problem of assembly direction error does not appear, can improve the mistake proof of assembly, and can realize the anti-rotation function, and does not rotate in the process of the joint of card piece clamping and fixing, guarantees that each branch is inserted into the end and can be limited and fixed according to the set position.

[0007] As preferred, the imitation structure includes the anti-rotation structure arranged in the card slot and the matching structure arranged on the both sides of the summary inserted into the end. The setting of the imitation structure is to realize the directional installation and the anti-rotation function of the joint of card piece, therefore, to realize the above-mentioned functions, the imitation structure mainly includes the anti-rotation structure arranged in the card slot and the matching structure arranged on the both sides of the summary inserted into the end, the anti-rotation structure is mainly used to prevent the anti-rotation function in the process of the joint of card piece and the sheath body connection clamping, and the matching structure realizes the close cooperation between the joint of card piece and the sheath body, sets the installation direction, and has the matching anti-rotation function.

[0008] As preferred, the anti-rotation structure adopts the anti-rotation block or adopts the anti-rotation slot, and the matching structure adopts the stepped matching structure or adopts the wave-shaped matching structure. The anti-rotation structure can adopt the anti-rotation block structure or adopt the anti-rotation slot structure, and the matching structure can adopt the stepped matching structure or adopt the wave-shaped matching structure, of course, the anti-rotation structure and the matching structure can also be set as other structure shapes according to actual design needs, as long as the positioning, anti-rotation and other functions can be realized.

[0009] Preferably, the sheath body is a one-piece injection molded part, with branch insertion holes inside the branch insertion end and a collection insertion hole inside the collection insertion end. The sheath body is a one-piece injection molded part, which is convenient to manufacture, has good performance, and effectively improves production efficiency. To facilitate the insertion of branch and collection harnesses, branch insertion holes are provided at the branch insertion end, and collection insertion holes are provided at the collection insertion end. The harnesses can be inserted during the installation process after the sheath body is manufactured, or the branch and collection harnesses can be injection molded together with the sheath body as inserts, and then installed according to the placement of the branch harnesses.

[0010] Preferably, the snap-fit ​​component includes an integrally formed embedded fixing end and a loose snap-fit ​​end, wherein the loose snap-fit ​​end is configured to cooperate with the slot and contour structure on the sheath body. The snap-fit ​​component can be used together with the sheath body as a connection structure, or it can be used alone in areas where a fixed direction and convergence are not required, to achieve constraint positioning of branch harnesses, convergence harnesses, and mounting components. The snap-fit ​​component mainly includes an embedded fixing end, used to achieve embedded positioning connection with the body sheet metal or bracket at the mounting location, while the loose snap-fit ​​end is for easy looping and snap-fit ​​connection with the slot on the sheath body, and can also be used to achieve sleeve constraint positioning of branch harnesses or convergence harnesses.

[0011] Preferably, the embedded fixing end includes an installation guide head, a multi-position anti-detachment snap-fit ​​body, and a protective body. The anti-detachment snap-fit ​​body has a deformation groove. To facilitate the insertion of the embedded fixing end into the through hole on the vehicle body sheet metal, an installation guide head is provided on the embedded fixing end. At the same time, to prevent detachment after installation, an anti-detachment snap-fit ​​body is provided on the embedded fixing end. The anti-detachment snap-fit ​​body can achieve positioning and mating with the vehicle body sheet metal at the through hole. The protective body is provided to both seal the through hole and improve the appearance of the assembly.

[0012] Preferably, the slip-on snap-fit ​​end includes a snap-fit ​​body, a mating body, and a docking body. The width of the snap-fit ​​body is configured to match the slot, and a locking strip is provided inside the snap-fit ​​body. The slip-on snap-fit ​​end is used to achieve slip-on positioning of the sheath body or wire harness. Therefore, the slip-on snap-fit ​​end mainly includes a snap-fit ​​body, a mating body, and a docking body. The snap-fit ​​body can form a slip-fit ​​structure around the slot or wire harness, thereby limiting and fixing the sheath body or wire harness according to the design position. The mating body and the docking body can be used to mate with the conformal structure or to connect with the embedded fixing end to form an integrated snap-fit ​​component.

[0013] As preferred, the docking body comprises a holding cavity, a cavity shell and a cavity inner body arranged integrally, the width of the holding cavity is greater than or equal to the width of the buckling body. The docking body is arranged to realize the connection with the embedded fixed end and to facilitate the arrangement of the cavity shell, so that the cavity shell is arranged inside to provide the buckling body to pass through and realize the holding and tensioning function.

[0014] As preferred, the inner side of the cavity inner body is provided with a clamping piece anti-rotation structure, which adopts an elastic arc strip or an anti-rotation protrusion. The clamping piece anti-rotation structure is arranged to realize cooperation with the anti-rotation structure on the sheath body to play a role in anti-rotation during installation and positioning of the sheath body.

[0015] The sheath connecting structure has the advantages that: the sheath connecting structure is provided with at least one branch penetrating end on the sheath body, is used for realizing the position limiting and collection of a plurality of branch wire harnesses according to the set position, and is provided with a clamping piece connecting structure outside the collection penetrating end. The clamping piece connecting structure can realize the arbitrary positioning connection between the sheath body and the vehicle body sheet metal, does not need to be additionally developed and designed on the vehicle body sheet metal, is convenient and fast to operate, the setting of the imitation structure can clearly indicate the assembly direction, the problem of assembly direction error does not occur, the error proof property of assembly is improved, and the anti-rotation function is realized, rotation does not occur during the clamping and fixing of the clamping piece, and the position limiting and fixing of each branch penetrating end according to the set position can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the sheath connecting structure of the utility model.

[0017] Figure 2 is a structural schematic view of the sheath connecting structure of the utility model from another angle.

[0018] Figure 3 is a sectional view of the sheath connecting structure of the utility model.

[0019] Figure 4 is another direction sectional view of the sheath connecting structure of the utility model.

[0020] Figure 5 is a structural schematic view of the sheath body in the utility model.

[0021] Figure 6 is a structural schematic view of the sheath body in the utility model from another angle.

[0022] Figure 7 is a structural schematic view of the clamping piece in the utility model.

[0023] Figure 8Is another angle structure schematic view of the clamping piece in the utility model.

[0024] Figure 9 Is an application structure schematic view of the sheath connecting structure in the utility model.

[0025] Figure 10 Is a structure schematic view of the sheath connecting structure in embodiment 2.

[0026] Figure 11 Is a structure schematic view of the sheath body in embodiment 2.

[0027] Figure 12 Is a structure schematic view of the clamping piece in embodiment 2.

[0028] In the drawing: 1, sheath body;

[0029] 2, clamping piece, 21, embedded fixed end, 22, live lap clamping end, 23, installation guide head, 24, anti-off clamping body, 25, protection body, 26, deformation slot, 27, matching body;

[0030] 28, butt joint body, 281, embracing cavity, 282, cavity shell, 283, cavity inner joint body, 284, elastic arc strip, 285 anti-rotation protrusion;

[0031] 29, buckling body;

[0032] 3, clamping groove;

[0033] 4, imitation structure, 41, anti-rotation clamping block, 42, stepped matching structure, 43, anti-rotation groove, 44, wave-shaped matching structure;

[0034] 5, clamping strip, 6, clamping piece connecting structure;

[0035] 7, branch penetrating end, 71, first branch penetrating end, 72, second branch penetrating end, 73, third branch penetrating end;

[0036] 8, summary penetrating end, 81, summary perforation;

[0037] 9, branch penetrating hole, 91, first branch perforation, 92, second branch perforation, 93, third branch perforation;

[0038] 100, caliper motor loop branch, 200, wheel speed sensor loop branch, 300, summary bus, 400, sheet metal support, 500, tail connector. DETAILED DESCRIPTION

[0039] The various aspects of the utility model will be described in detail below through specific embodiments and in conjunction with the drawings.

[0040] Embodiment 1:

[0041] In Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 In the embodiment shown in the figure, a sheath connecting structure includes a sheath body 1, at least one branch penetrating end 7 and a collection penetrating end 8 are arranged on the sheath body 1, a clamping piece connecting structure 6 is arranged outside the collection penetrating end 8, the clamping piece connecting structure 6 includes a clamping groove 3 for realizing clamping of a clamping piece 2 and a profiled structure 4 for preventing rotation positioning. The clamping piece 2 can be used in cooperation with the sheath body 1, or can be used alone for limiting connection of a wire harness.

[0042] The profiled structure 4 includes a rotation prevention structure arranged inside the clamping groove 3 and a matching structure arranged on both sides of the collection penetrating end of the clamping groove 3. The rotation prevention structure adopts a rotation prevention clamping block 41 or a rotation prevention groove 43, and the matching structure adopts a stepped matching structure 42 or a wave-shaped matching structure 44.

[0043] The sheath body 1 is an integrally injection molded part, the branch penetrating end 7 is internally provided with a branch penetrating hole 9, and the collection penetrating end 8 is internally provided with a collection penetrating hole 81.

[0044] In this embodiment, a sheath connecting structure includes a sheath body 1, and a clamping piece 2 is movably arranged on the sheath body 1. The sheath body 1 is integrally injection molded by a TPU injection molding process.

[0045] The sheath body 1 includes a first branch penetrating end 71, a second branch penetrating end 72 and a collection penetrating end 8. The first branch penetrating end 71, the second branch penetrating end 72 and the collection penetrating end 8 are respectively provided with a first branch penetrating hole 91, a second branch penetrating hole 92 and a collection penetrating hole 81 which are mutually through and used for wire harness penetrating.

[0046] The first branch penetrating end 71 and the second branch penetrating end 72 are arranged according to the design positions of branch wire harnesses. The collection penetrating end 8 is used for collecting the wire harnesses penetrating through the first branch penetrating end 71 and the second branch penetrating end 72 into one and then penetrating out from the collection penetrating end 8, thereby realizing the collection function.

[0047] A clamping groove 3 for realizing clamping of the clamping piece 2 with the sheath body 1 is arranged outside the collection penetrating end 8. A profiled structure 4 is arranged at the matching position of the clamping piece 2 and the collection penetrating end 8. The profiled structure 4 can prevent assembly position and direction errors in the assembly process and can realize rotation prevention of the clamping piece 2, so as to ensure that the installation position of the sheath body does not rotate, thereby ensuring accurate positioning of the design installation position of the wire harness.

[0048] Since the contouring structure 4 is set outside the converging connection end 8, the installation position and direction are easily identified during the assembly process, and assembly errors will not occur. At the same time, the contouring structure 4 is set at the slot 3 to cooperate with the snap-fit ​​part 2, which can effectively prevent the snap-fit ​​part 2 from rotating, and achieve precise and effective fixation of the wire harness.

[0049] like Figure 5 , Figure 6 As shown, in this embodiment, the conforming structure 4 includes an anti-rotation block 41 disposed inside the slot 3 and a stepped mating structure 42 disposed outside the converging connection end on the side of the slot 3. The stepped mating structure 42 is provided with at least one stepped boss. In order to achieve the mating effect between the snap-fit ​​component 2 and the converging connection end 8, the stepped boss can be provided with an inclined structure to increase the mating area.

[0050] like Figure 7 , Figure 8 As shown, the snap-fit ​​component 2 includes an integrally formed embedded fixing end 21 and a loose snap-fit ​​end 22. The embedded fixing end 21 includes an installation guide head 23 for easy insertion into the sheet metal mounting hole, a multi-position inverted conical anti-detachment snap-fit ​​body 24 that can be adjusted and adapted to the sheet metal mounting hole, and a protective body 25 for sealing the sheet metal mounting hole. The inverted conical anti-detachment snap-fit ​​body 24 has deformation slots 26 on both sides to facilitate the installation of the inverted conical anti-detachment snap-fit ​​body.

[0051] The loose-fitting snap-fit ​​end 22 includes an arc-shaped snap-fit ​​body 29, a mating body 27 connected to the snap-fit ​​body 29, and a connecting body 28 connected to the mating body 27. The width of the snap-fit ​​body 29 is matched with the slot. Two locking strips 5 are provided on the inside of the snap-fit ​​body, which achieve elastic engagement with the slot 3 during engagement. The mating body 27 matches the stepped engagement structure 42 and is connected to the snap-fit ​​body 29 as a whole through a smooth arc surface. In use, the mating body 27 fits against the stepped engagement structure 42 to achieve a conformal engagement and prevent rotation.

[0052] The docking body 28 comprises a holding cavity 281, a cavity shell 282 and a cavity inner connector 283, the holding cavity 281 is arranged horizontally, the upper shell surface of the cavity shell 282 is integrally connected with the embedded fixed end 21, and the axis of the embedded fixed end 21 is perpendicular to the upper shell surface of the cavity shell 282, and the axis of the opening of the two ends of the holding cavity 281 is perpendicular to the axis of the embedded fixed end 21. The cavity inner connector 283 is arranged on the inner side of the cavity shell 282 and is smoothly connected with the cooperating body 27, the cavity inner connector 283 is arranged in cooperation with the anti-rotation block 41, and the inner side of the cavity inner connector 283 is provided with a plurality of elastic arc strips 284, in use, the cavity inner connector 283 is abutted and cooperated with the anti-rotation block 41 through the elastic arc strips 284.

[0053] In use, the buckle body 29 is arranged inside the clamping groove 3 and surrounds the clamping groove 3, is arranged inside the holding cavity 281 and forms a holding clamping with the holding cavity 281, realizes the connection of the sheath body 1 and the clamping piece 2, and further realizes the limiting and fixing of the wire harness position.

[0054] As shown in the drawings, Figure 9 In this embodiment, the sheath connecting structure is used in the wire harness of the caliper motor circuit branch 100 and the wheel speed sensor circuit branch 200.

[0055] The caliper motor circuit branch 100 and the wheel speed sensor circuit branch 200 are sealed along the set route position and are converged to the sheath connecting structure, and the caliper motor circuit branch 100 and the wheel speed sensor circuit branch 200 are guided to avoid the interference of the wire harness with the suspension part, the caliper motor circuit branch 100 and the wheel speed sensor circuit branch 200 are respectively inserted into the first branch penetrating end 71 and the second branch penetrating end 72, then are converged inside the sheath body 1, and are taken out through the convergence penetrating end 8 on the sheath body 1 to form the convergence wire harness 300, and the sheath body 1 is fixed with the sheet metal support 400 through the clamping piece 2.

[0056] Finally, a series of clamping pieces 2 are used on the suspension to fix and limit the caliper motor circuit branch 100, the wheel speed sensor circuit branch 200 and the convergence wire harness 300 at the corresponding wire position of the sheet metal support 400, and finally the span is connected with the rear cabin bus through the tail end connector 500 on the vehicle body.

[0057] Embodiment 2:

[0058] In Figure 10In the shown embodiment, a sheath connecting structure comprises a sheath body 1, the sheath body 1 is provided with at least one branch penetrating end 7 and a collection penetrating end 8, a clamping piece connecting structure 6 is arranged outside the collection penetrating end 8, the clamping piece connecting structure 6 comprises a clamping groove 3 for realizing clamping of a clamping piece 2 and a counter-shaped structure 4 for preventing rotation positioning. The clamping piece 2 can be used in cooperation with the sheath body 1 or can be used alone for limiting connection of a wire harness.

[0059] The counter-shaped structure 4 comprises a rotation-preventing structure arranged inside the clamping groove 3 and a matching structure arranged on both sides of the collection penetrating end of the clamping groove 3. The rotation-preventing structure adopts a rotation-preventing clamping block 41 or a rotation-preventing groove 43, and the matching structure adopts a stepped matching structure 42 or a wave-shaped matching structure 44.

[0060] The sheath body 1 is an integrally injection molded part, the branch penetrating end 7 is provided with a branch penetrating hole 9 inside, and the collection penetrating end 8 is provided with a collection penetrating hole 81 inside.

[0061] In the embodiment, a sheath connecting structure comprises a sheath body 1, the sheath body 1 is provided with a clamping piece 2 movably arranged thereon. The sheath body 1 is integrally injection molded by TPU injection molding process.

[0062] The sheath body 1 comprises a first branch penetrating end 71, a second branch penetrating end 72, a third branch penetrating end 73 and a collection penetrating end 8. The first branch penetrating end 71, the second branch penetrating end 72 and the collection penetrating end 8 are respectively provided with a first branch penetrating hole 91, a second branch penetrating hole 92, a collection penetrating hole 81 and a third branch penetrating hole 93 which are mutually through and used for wire harness penetrating.

[0063] The first branch penetrating end 71, the second branch penetrating end 72 and the third branch penetrating end 73 are arranged according to the design positions of branch wire harnesses. The collection penetrating end 8 is used for penetrating the wire harnesses penetrated by the first branch penetrating end 71, the wire harnesses penetrated by the second branch penetrating end 72 and the wire harnesses penetrated by the third branch penetrating end 73 into the collection penetrating end 8 after being integrated into one, realizing the collection function.

[0064] A clamping groove 3 is arranged outside the collection penetrating end 8 for realizing clamping of the clamping piece 2 with the sheath body 1. A counter-shaped structure 4 is arranged at the matching position of the clamping piece 2 and the collection penetrating end 8. The counter-shaped structure 4 can prevent assembly position and direction errors in the assembly process and can realize rotation-preventing function of the clamping piece 2, ensuring that the installation position of the sheath body will not rotate, thereby ensuring accurate positioning of the design installation position of the wire harness.

[0065] Since the contouring structure 4 is set outside the converging connection end 8, the installation position and direction are easily identified during the assembly process, and assembly errors will not occur. At the same time, the contouring structure 4 is set at the slot 3 to cooperate with the snap-fit ​​part 2, which can effectively prevent the snap-fit ​​part 2 from rotating, and achieve precise and effective fixation of the wire harness.

[0066] like Figure 11 As shown, in this embodiment, the contouring structure 4 includes an anti-rotation groove 43 disposed inside the slot 3 and a waveform mating structure 44 disposed outside the connecting end on the side of the slot 3.

[0067] The snap-fit ​​component 2 includes an integrally formed embedded fixing end 21 and a loose snap-fit ​​end 22. The embedded fixing end 21 includes an installation guide head 23 for easy insertion into the sheet metal mounting hole, a multi-position inverted conical anti-detachment snap-fit ​​body 24 that can be adjusted and adapted to the sheet metal mounting hole, and a protective body 25 for sealing the sheet metal mounting hole. The inverted conical anti-detachment snap-fit ​​body 24 has deformation slots 26 on both sides to facilitate the installation of the inverted conical anti-detachment snap-fit ​​body.

[0068] The loose-fitting snap-fit ​​end 22 includes an arc-shaped snap-fit ​​body 29, a mating body 27 connected to the snap-fit ​​body 29, and a connecting body 28 connected to the mating body 27. The width of the snap-fit ​​body 29 is matched with the slot. Two locking strips 5 are provided on the inside of the snap-fit ​​body, which achieve elastic engagement with the slot 3 during engagement. The mating body 27 matches the wave-shaped engagement structure 44 and is connected to the snap-fit ​​body 29 as a whole through a smooth arc surface. In use, the mating body 27 fits against the wave-shaped engagement structure 44 to achieve a conformal engagement and prevent rotation.

[0069] The docking body 28 includes an integrally formed clamping cavity 281, a cavity shell 282, and a cavity inner connector 283. The clamping cavity 281 is horizontally oriented. The upper shell surface of the cavity shell 282 is integrally connected to the embedded fixing end 21, and the axis of the embedded fixing end 21 is perpendicular to the upper shell surface of the cavity shell 282. The axes of the two openings of the clamping cavity 281 are perpendicular to the axis of the embedded fixing end 21. The cavity inner connector 283 is disposed on the inner side of the cavity shell 282 and smoothly transitions to the mating body 27. The cavity inner connector 283 is configured to mate with the anti-rotation groove 43, and the inner side of the cavity inner connector 283 is provided with an anti-rotation protrusion 285 (see...). Figure 12 During use, the inner connecting body 283 of the cavity and the anti-rotation groove 43 are engaged by the anti-rotation protrusion 285.

[0070] In use, the buckle body 29 is arranged inside the clamping groove 3 and is arranged inside the embracing cavity 281 after surrounding the clamping groove 3 and forms embracing clamping with the embracing cavity 281, so as to realize the connection of the sheath body 1 and the clamping piece 2, and further realize the position limiting and fixing of the wire harness.

[0071] The sheath connecting structure in the above embodiment can be widely applied to the wire harness branch and the position of the wire harness branch, and through the sheath connecting structure, the quick assembly and positioning of the wire harness branch can be realized, the direction error does not occur, the anti-rotation function is also provided, and the wire harness can be fixed at the designed position.

[0072] The above specific embodiments are specific embodiments of the utility model, which are used for explaining the concept of the utility model and are explanatory and exemplary, and should not be interpreted as the limitation of the utility model embodiments and the scope of the utility model. In addition to the embodiments described herein, those skilled in the art can also adopt other technical solutions which are obvious based on the contents disclosed in the claims and the description of the present application, and these technical solutions include the technical solutions which make any obvious replacement and modification to the embodiments described herein, and all of them are within the protection scope of the utility model.

Claims

1. A jacket connection structure characterized by: The utility model provides a kind of cable sheath, including sheath body (1), at least one branch terminal (7) and one summary terminal (8) are provided on the sheath body (1), clamping piece connecting structure (6) is provided outside the summary terminal (8), the clamping piece connecting structure (6) includes the card slot (3) for realizing clamping piece sleeve and the imitation structure (4) for preventing rotation positioning.

2. The jacket connection structure according to claim 1, characterized by: The imitation structure (4) includes the anti-rotation structure arranged inside the card slot (3) and the matching structure arranged on both sides of the summary terminal of the card slot (3).

3. The jacket connection structure according to claim 2, characterized by: The anti-rotation structure adopts anti-rotation block (41) or anti-rotation groove (43), and the matching structure adopts stepped matching structure (42) or wave-shaped matching structure (44).

4. The jacket connection structure of claim 1, wherein: The sheath body (1) is an integral injection molding, the branch terminal (7) is provided with branch terminal hole (9) inside, and the summary terminal (8) is provided with summary hole (81) inside.

5. The jacket connection structure according to any one of claims 1 to 4, characterized by: The clamping piece (2) includes embedded fixed end (21) and live sleeve clamping end (22) arranged integrally, the live sleeve clamping end (22) is matched with the card slot (3) and the imitation structure (4) on the sheath body (1).

6. The jacket connection structure according to claim 5, characterized by: The embedded fixed end (21) includes installation guide head (23), multi-gear anti-dropping clamping body (24) and protection body (25), the anti-dropping clamping body (24) is provided with deformation slot (26).

7. The jacket connection structure of claim 5, wherein: The live sleeve clamping end (22) includes buckling body (29), matching body (27) and butt joint body (28), the width of the buckling body (29) is matched with the card slot (3), and the card strip (5) is arranged on the inner side of the buckling body (29).

8. The jacket connection structure of claim 7, wherein: The butt joint body (28) includes integrated holding cavity (281), cavity body shell (282) and cavity inner body (283), the width of the holding cavity (281) is greater than or equal to the width of the buckling body (29).

9. The jacket connection structure of claim 8, wherein: The inner side of the cavity inner body (283) is provided with clamping piece anti-rotation structure, the clamping piece anti-rotation structure adopts elastic arc strip (284) or anti-rotation convex (285).

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