Connectors

Abstract

A connector comprises a first terminal configured to connect to a mating terminal; a housing configured to receive the first terminal; and a terminalized electrical wire comprising: a second terminal configured to be attached to a predetermined section within the housing and electrically connected to the first terminal; an electrical wire extending from the second terminal; and an engagement section engaging with the housing. The position of the second terminal circumferentially along a mounting axis of the second terminal is adjustable by setting an engagement position between the engagement section and the housing.The housing includes an opening section with an opening width through which the electrical wire, equipped with one terminal, can be inserted into and led out of the housing in a circumferential direction, regardless of the position of the second terminal.

Description

Technical field The present disclosure relates to a connector comprising: a first terminal to which a mating terminal is to be connected; a housing in which the first terminal is accommodated; and an electrically provided wire comprising a second terminal which is attached to a predetermined section within the housing and electrically connected to the first terminal, as well as an electrical wire extending from the second terminal. State of the art Various connectors have been proposed for use in a cable mounted on a vehicle or the like (see, for example, patent literature 1). List of documents cited Patent literature Patent Literature 1: JP2022-083460A Summary of the invention With a connector of the type described above, if the electrical wire exiting the connector has a different wiring direction depending on the vehicle specification or similar, the connector is generally manufactured using a specific housing selected from a variety of housing types, each with different shapes depending on the specification. However, the connector's production efficiency can be negatively impacted if the multitude of housing types are manufactured and stored in advance for selection based on the specific specification. Therefore, a connector capable of handling different wiring directions with a single, common housing was desired. One objective of the present disclosure is to provide a connector that can handle different wiring directions while using a common housing. To fulfill the aforementioned task, a connector according to the present disclosure is characterized by the following. A connector comprises a first terminal configured to connect to a mating terminal; a housing configured to receive the first terminal; and a terminalized electrical wire comprising: a second terminal configured to attach to a predetermined section within the housing and electrically connected to the first terminal; an electrical wire extending from the second terminal; and an engagement section engaging with the housing. The position of the second terminal in a circumferential direction along a mounting axis of the second terminal is adjustable by setting an engagement position between the engagement section and the housing.The housing includes an opening section with an opening width through which the electrical wire fitted with the terminal can be inserted into and led out of the housing in the circumferential direction, regardless of the position of the second terminal. According to the connector of the present disclosure, the electrically connected wire comprises the engagement section, which engages with the housing, and the position of the second connection in the circumferential direction of the mounting axis of the second connection can be adjusted by setting the engagement position between the engagement section and the housing. Furthermore, the opening section of the housing has an opening width through which the electrically connected wire can be inserted into and led out of the housing, irrespective of the position of the second connection. Accordingly, if the position of the second connection in the circumferential direction of the mounting axis is adjusted according to the wiring direction of the electrical wire, the electrical wire can be led out of the housing to accommodate the wiring direction.Accordingly, the connector of the present disclosure can handle different wiring directions while using a common housing. The present revelation has been briefly described above. Furthermore, the details of the present revelation will be explained in more detail by reading about the modes of implementation of the revelation, which are described below with reference to the accompanying drawings. Brief description of the drawings Fig. 1 is a perspective view of a connector according to an embodiment of the present disclosure; Fig. 2 is a perspective exploded view of the connector shown in Fig. 1; Fig. 3 is a cross-sectional view along a line AA in Fig. 1; Fig. 4 is a perspective view of Fig. 3 seen from the rear in a cross-section BB; Fig. 5 is a perspective view corresponding to Fig. 4, wherein a terminaled electrical wire, a bolt, and a bellows sleeve are omitted from the illustration; Fig. 6 is a perspective view of a periphery of a terminal of the terminaled electrical wire forming the connector shown in Fig. 1, seen from the front; Fig. 7 is a cross-sectional view along a line CC in Fig. 4; and Fig.Figure 8 is a rear view illustrating that a direction of extension of the terminaled electrical wire can be selected from a mounting axis of the terminal by selecting an engagement groove, into which a protruding strip section of the terminal of the terminaled electrical wire engages, from a plurality of engagement grooves formed in a housing. Description of exemplary implementations Examples of implementation A connector 1 according to an embodiment of the present disclosure is described below with reference to the drawings. The connector 1 shown in Fig. 1 functions as a relay connector that electrically connects a pair of terminaled electrical wires 30 extending from a tubular section 22 of a housing 20 and a mating connector (not shown) attached to a body section 21 of the housing 20. For the sake of simplicity, the terms "front," "back," "top," "bottom," "left," "right," "front-back direction," "top-bottom direction," and "left-right direction" are defined below as shown in Fig. 1 or similar. The "front-back direction," the "top-bottom direction," and the "left-right direction" are orthogonal to each other. The front-back direction corresponds to the installation direction of housing section 21 of the housing 20 and the mating connector. The left-right direction corresponds to the direction of extension of the pair of terminaled electrical wires 30 from the tubular section 22. The front-back direction, the left-right direction and the up-down direction do not necessarily correspond to a front-back direction, a left-right direction and an up-down direction of a vehicle or the like when connector 1 is attached to the vehicle or the like. As shown in Figures 1 and 2, the connector 1 mainly comprises a terminal (plug) 10, to which a mating terminal (receptacle, not shown) is to be connected, which is housed in the mating connector, the housing 20 in which the terminal 10 is housed, and the electrical wire 30 equipped with the terminal, which is attached to a predetermined section inside the housing 20 and electrically connected to the terminal 10. The configuration of each element of the connector 1 is described in turn below. First, the connector 10 is described. As shown in Figs. 1 and 3, the metal connector 10 has an overall rod shape extending in the front-to-back direction. A pointed end section (front end section) of the connector 10 is a section that connects to the mating connector on the mating connector side when the plug connector 1 and the mating connector are joined together. A forward-facing internal threaded bore 11 is formed in a base end face (rear end face) of the connector 10 (see Fig. 3). Next, the housing 20 will be described. The housing 20 is a molded plastic part and comprises, as shown in Figs. 1 and 2, the body section 21, which has a substantially rectangular flat plate shape extending in the top-bottom and left-right directions and being long in the top-bottom direction, and the tubular section 22, which extends rearward from an upper region of the body section 21. Viewed from left to right, the housing 20 is substantially L-shaped. As shown in Fig. 2, the tubular section 22 is a tubular part with an elongated hole shape, which, viewed from the rear, extends in the left-right direction and in the front-back direction. In this example, the housing 20 (= the body section 21 + the tubular section 22) is realized by combining a plurality of components, as shown in Fig.3 is evident, and can be realized with a single component. As shown in Fig. 3, a pair of left and right terminal receiving holes 23 are provided in the upper region of the body section 21. These holes extend in a front-to-back direction and are spaced apart in a left-to-right direction (see Fig. 1). A rear end opening of each terminal receiving hole 23 communicates with an internal space in the tubular section 22. A pair of left and right terminals 10 are inserted and received from the rear into the pair of left and right terminal receiving holes 23. The front end section of the body section 21 is shaped to fit into the mating connector. When the connector 1 and the mating connector are fitted together, the tip end section of the terminal 10 received in the terminal receiving opening 23 is connected to the mating terminal on the mating connector side. As shown in Fig. 3, in the internal space of the tubular section 22 a nut receiving section 24, in which a metal nut 61 is received, is integrally provided with the tubular section 22 at a position that is aligned with the connection 10 at a distance in the front-back direction on the rear of the connection 10, which is received in the connection receiving hole 23 on the right side. As shown in Fig. 3, a strip-shaped metal plate element 70 is provided in the internal space of the tubular section 22. This plate element extends in a curved, crank-like shape and spans the base end surface of the connection 10 received in the connection receiving hole 23 on the left side and a seating surface (rear end surface) of the nut 61 received in the nut receiving section 24. A bolt insertion hole 73 is formed in each of the two end sections 71 and 72 of the plate element 70.The bolt 62, which is inserted into the bolt insertion hole 73 of one end section 71 of the plate element 70, is screwed into the internal threaded bore 11 of the connector 10, which is received in the connector receiving hole 23 on the left side, so that the plate element 70 is attached and fixed to the connector 10 such that one end section 71 overlaps the base end face of the connector 10, the other end section 72 overlaps the seating surface of the nut 61, and the connector 10 and the nut 61 are electrically connected. The bolt insertion hole 73 of the other end section 72 of the plate element 70 overlaps the internal threaded bore of the nut 61 (see Fig. 5). As shown in Fig. 3, a bolt 63 for fastening and fixing a terminal 31 of the terminal-equipped electrical wire 30 on the front of the pair of front and rear terminal-equipped electrical wires 30 is screwed into the internal threaded bore 11 of the terminal 10, which is received in the terminal receiving hole 23 on the right side. The bolt 63 for fastening and fixing the terminal 31 of the terminal-equipped electrical wire 30 on the rear of the pair of front and rear terminal-equipped electrical wires 30 is screwed into the internal threaded bore of the nut 61, which is received in the nut receiving section 24. As shown in Fig. 2, a pair of front and rear opening sections 25 are arranged at intervals in the front-to-back direction on a right-hand side face of the tubular section 22, corresponding to the base end face of the connector 10 received in the connector receiving hole 23 on the right-hand side and the other end section 72 of the plate element 70, which overlaps the seating surface of the nut 61 received in the nut receiving section 24. Each opening section 25 extends circumferentially around the tubular section 22 and in the front-to-back direction in a semicircular arc shape projecting to the right and has a curved opening shape projecting to the right. The base end face of the connector 10, which is received in the connector receiving hole 23 on the right-hand side, is exposed to the outside of the tubular section 22 through the opening section 25 on the front.On the other hand, the other end section 72 of the plate element 70, which overlaps the seat surface of the nut 61, is exposed through the opening section 25 on the rear side to the outside of the tubular section 22. As shown in Figs. 4 and 5, each pair of front and rear opening sections 25 has an opening edge on the rear side that projects to the right and extends in a semicircular arc, with a seat surface 26 that projects to the right along the opening edge and extends in the semicircular arc. Each seat surface 26 is a flat, rearward-facing surface (extending in one direction orthogonal to the front-back direction).In the front-to-back direction, a position of the seat surface 26 of the opening section 25 on the front side essentially corresponds to a position of the base end surface of the connector 10 which is received in the connector receiving hole 23 on the right side, and a position of the seat surface 26 of the opening section 25 on the back side essentially corresponds to a position of a surface (rear end surface) on one side opposite the nut 61 of the other end section 72 of the plate element 70, which overlaps the seat surface of the nut 61. As shown in Fig. 5, each pair of front and rear seating surfaces 26 is provided with a plurality of projecting strip sections 27 arranged at predetermined intervals in an arc-shaped arrangement extending to the right along the seating surface 26 and projecting to the right in a semicircular arc. Each projecting strip section 27 is a strip that projects rearward from the seating surface 26 and extends in a direction along a straight line passing through a mounting axis O (see Fig. 8) of the terminal 31 (the bolt 63 for securing the terminal 31) of the corresponding terminal-equipped electrical wire 30. A groove 27a is formed between adjacent pairs of the projecting strip sections 27 (see Fig. 7). A projecting strip section 34, described later (see Fig.6 ) of the terminal 31 of the electrically provided wire 30 engages in an engagement groove 27a, which is selected from a plurality of engagement grooves 27a (see Fig. 7 ). Next, the terminaled electrical wire 30 is described. As shown in Figures 2 and 6, the terminaled electrical wire 30 comprises the metal terminal 31 and an electrical wire 32 extending from the terminal 31. A bolt insertion hole 33 and the projecting strip shoulder 34, located on the base end face (side of the electrical wire 32) of the terminal 31 with respect to the bolt insertion hole 33, are provided in a flat, plate-shaped tip end section of the terminal 31. The projecting strip section 34 is a protruding strip extending from a side face (front side face) of the tip end section of the terminal 31 and extending along a longitudinal direction of the terminal 31 (direction of extension of the electrical wire 32 extending from the terminal 31).The electrical wire 32 comprises a conductor core and an insulating sheath surrounding the outer circumference of the conductor core, and an end section of the conductor core is conductively connected to the terminal 31. The electrical wire 32 is flexible and bendable. As shown in Figs. 1 and 2, a holder 40 and a bellows cuff 50 are inserted in that order from the tip end (termination 31 side) of the electrical wire 32 into the pair of front and rear terminaled electrical wires 30. The plastic holder 40 has a tubular shape that can encompass the pair of electrical wires 32, and a pair of electrical wire entry holes 41 are formed in an end section of the holder 40 on the base end of the electrical wires 32. The pair of electrical wires 32 is each inserted into the pair of electrical wire entry holes 41 of the holder 40. Accordingly, a relative positional relationship between the pair of electrical wires 32 is maintained in a suitable state. The bellows sleeve 50 is made of rubber and has a tubular shape that can jointly enclose the pair of electrical wires 32. The bellows sleeve 50 is flexibly deformable according to the wiring direction of the pair of electrical wires 32 inserted into the bellows sleeve 50. A fastening section 51 is provided at the end section of the bellows sleeve 50 on the side of the tip end (side of the terminal 31) of the electrical wire 32. The fastening section 51 has a semi-cylindrical shape to jointly close the pair of front and rear opening sections 25 of the housing 20. In the holder 40 and the bellows sleeve 50, into which the pair of electrical wires 32 of the pair of front and rear terminaled electrical wires 30 is inserted, the end section of the holder 40 at the tip end of the electrical wire 32 and the end section of the bellows sleeve 50 at the base end of the electrical wire 32 are airtightly connected to each other (see Fig. 1). Accordingly, by inserting the electrical wires 32 of the pair of terminaled electrical wires 30 into the holder 40 and the bellows sleeve 50, it is possible to achieve watertightness, insulation, or the like for the terminaled electrical wires 30. Each of the terminals 31 of the pair of front and rear terminaled electrical wires 30 is fastened and fixed in a state in which the bracket 40 and the bellows cuff 50 are connected and inserted, using the bolt 63 on the base end face of the terminal 10 received in the terminal receiving hole 23 on the right side and on the other end section 72 of the plate element 70, which overlaps the seat surface of the nut 61, in a direction in which the protruding strip section 34 protrudes towards the front (see Fig. 2 and Fig. 3).In particular, the connection 31 on the front side of the pair of front and rear connections 31 is arranged such that it overlaps the base end face of the connection 10, which is received in the connection receiving hole 23 on the right side, over the opening section 25 on the front side, and is attached and fixed to the base end face of the connection 10 by screwing the bolt 63, which is inserted into the bolt insertion opening 33 of the connection 31, into the internally threaded bore 11 of the connection 10. The connection 31 on the rear side of the pair of front and rear connections 31 is arranged such that it overlaps the other end section 72 of the plate element 70, which overlaps the seating surface of the nut 61 over the opening section 25 on the rear side, and is attached and fixed to the other end section 72 (i.e.,on the nut 61) of the plate element 70, by screwing the bolt 63, which has been inserted into the bolt insertion hole 33 of the connection 31 and the bolt insertion hole 73 of the other end section 72 of the plate element 70 in this order, into the internal threaded bore of the nut 61. Accordingly, in order to fasten and fix the pair of front and rear connectors 31, when each pair of front and rear connectors 31 is placed on the base end face of the connector 10, which is received in the connector receiving hole 23 on the right side or the other end section 72 of the plate element 70, as shown in Fig. 7, the connector 31 is arranged on the seat surface 26 such that the projecting strip section 34 of the connector 31 engages in one of the plurality of engagement grooves 27a provided in the seat surface 26 of the corresponding opening section 25. In other words, as shown in Fig. 8, the direction of extension of the connector 31 from the mounting axis O of the connector 31 (i.e.,The direction of extension of the electrical wire 32 (of the electrical wire 30 provided with the terminal) can be set by selecting the engagement groove 27a from the plurality of engagement grooves 27a that is to engage with the protruding strip section 34 of the terminal 31. Accordingly, if the position of the terminal 31 is set in the circumferential direction of the mounting axis O of the terminal 31 according to a desired wiring direction, the electrical wire 32 can be extended according to the wiring direction without being excessively bent. Since the bellows sleeve 50 is deformable according to the wiring direction of the electrical wire 32, it does not impede the wiring of the electrical wire 32 at this time. As can be seen from Figs. 2 and 8, the opening section 25 has an opening width through which the connector 31 can be inserted into and led out of the tubular section 22, even if one of the plurality of engagement grooves 27a provided in the seat surface 26 is in engagement with the projecting strip section 34 of the connector 31 (i.e., regardless of the direction of extension of the connector-equipped electrical wire 30 from the mounting axis O of the connector 31). Therefore, the connector 31 of the connector-equipped electrical wire 30 and the opening edge of the opening section 25 do not interfere with each other, regardless of the direction in which the connector 31 extends. As described above, after attaching and securing the terminals 31 of the pair of front and rear terminaled electrical wires 30, as shown in Fig. 1, the fastening section 51 of the bellows cuff 50 is attached to the tubular section 22 of the housing 20 to jointly close the pair of front and rear opening sections 25 of the tubular section 22. As shown in Fig. 1, a cover-shaped element 28 (see Fig. 2) is attached to the tubular section 22 of the housing 20 to partially close a rear end opening of the tubular section 22. The assembly of the connector 1 is now complete. The housing 20 of the assembled connector 1 is attached to a vehicle body or the like using a plurality of fastening sections 29 (see Fig. 1 and Fig. 2) provided at a plurality of locations on the outer circumference of the body section 21. Furthermore, the bracket 40, which jointly covers the electrical wires 32 of the pair of front and rear terminaled electrical wires 30, is also attached to the vehicle body or the like using a fastening section 42 provided on the bracket 40 (see Fig. 1 and Fig. 2). Accordingly, it is possible to prevent problems such as vibration of the bracket 40 and the bellows boot 50 connected to the bracket 40 when the connector 1 is in use. Operation and impacts As described above, according to connector 1 of the present embodiment, the electrical wire 30, which is provided with a terminal, comprises an engagement section (protruding strip section 34) that engages with the housing 20, and the position of the second terminal 31 in the circumferential direction of the mounting axis O of the second terminal (terminal 31) can be adjusted by setting an engagement position between the engagement section 34 and the housing 20. When the position of the second terminal 31 in the circumferential direction of the mounting axis O is adjusted according to a desired wiring direction, the electrical wire 32 can be extended according to the wiring direction without being excessively bent.Furthermore, the housing 20 includes the opening section 25 with an opening width through which the electrically connected wire 30 can be inserted into and led out of the housing 20 in a circumferential direction, regardless of the position of the second connection 31. Accordingly, the electrically connected wire 30 and the housing 20 do not interfere with each other, irrespective of the direction in which the electrically connected wire 30 extends. Therefore, the connector 1 according to the present embodiment can accommodate different wiring directions while using the common housing 20. Furthermore, according to the connector 1 of the above embodiment, it is possible to provide the connector 1 in such a way that it can handle different wiring directions according to the number, arrangement or the like of a plurality of engagement sections (engagement grooves 27a) provided in the housing 20. Furthermore, according to connector 1 of the above embodiment, since the plurality of engagement sections 27a are arranged at the opening edge of the opening section 25 of the housing 20, no space is required for providing the engagement sections within the housing 20 or the like, and thus it is possible to avoid an enlargement of the housing 20 due to the provision of the engagement sections 27a. Furthermore, according to connector 1 of the above embodiment, the watertightness, insulation, or similar properties of the terminaled electrical wire 30 can be achieved by inserting the terminaled electrical wire 30 into a tubular body (bellows sleeve 50). Since the tubular body 50 is deformable according to the wiring direction of the terminaled electrical wire 30, the tubular body 50 does not impede the wiring of the electrical wire 32. Furthermore, according to the connector 1 of the above embodiment, it is possible to prevent the occurrence of problems such as vibrations of the tubular body 40 during the use of the connector 1 by attaching the fastening section 42 of the tubular body (holder 40) to the circumferential element. Further examples of implementation The present disclosure is not limited to the above embodiment, and various modifications may be made within the scope of this disclosure. For example, the present disclosure is not limited to the above embodiment, and modifications, improvements, or the like may be made in a suitable manner. In addition, materials, shapes, sizes, numbers, arrangement positions and the like of the components in the above embodiment can be freely chosen and are not limited as long as the present disclosure can be implemented. Here, the features of the embodiment of connector 1 described above, as disclosed in the present disclosure, are briefly summarized and listed in [1] to [5].[1] A connector (1) comprises: a first terminal (10) configured to make a connection with a mating terminal; a housing (20) configured to receive the first terminal (10); and an electrically connected wire (30) comprising: a second terminal (31) configured to be attached to a predetermined section within the housing (20) and electrically connected to the first terminal (10); an electrical wire (32) extending from the second terminal (31); and an engagement section (34) engaging with the housing (20).wherein the position of the second terminal (31) in the circumferential direction of a mounting axis (O) of the second terminal (31) is adjustable by setting an engagement position between the engagement section (34) and the housing (20), and the housing (20) comprises an opening section (25) through which the terminal-equipped electrical wire (30) can be inserted into and led out of the housing (20) independently of the circumferential position of the second terminal (31). According to the connector with the configuration of [1], the terminal-equipped electrical wire comprises the engagement section that engages with the housing, and the position of the second terminal in the circumferential direction of the mounting axis of the second terminal can be adjusted by setting the engagement position between the engagement section and the housing. Furthermore, the opening section of the housing has an opening width,through which the terminal-equipped electrical wire can be inserted into and led out of the housing independently of the position of the second terminal. Accordingly, if the position of the second terminal is adjusted circumferentially around the mounting axis according to the wiring direction of the electrical wire, the electrical wire can be led out of the housing to accommodate the wiring direction. Therefore, the connector with this configuration can accommodate different wiring directions while using a common housing. [2] In the connector (1) according to [1], the housing (20) comprises a plurality of engagement sections (27a) that can engage with the engagement section (34), and the position of the second terminal (31) of the terminal-equipped electrical wire (30) is adjustable circumferentially.by engaging one of the plurality of engagement sections (27a) with the engagement section (34). According to the connector with the configuration of [2], it is possible to provide a connector that is able to handle different wiring directions according to the number, arrangement, or the like of the plurality of engagement sections provided in the housing. [3] In the connector (1) according to [2], the plurality of engagement sections (27a) are arranged side by side in the circumferential direction at an opening edge of the opening section (25). According to the connector with the configuration of [3], since the plurality of engagement sections are arranged at the opening edge of the opening section of the housing, no space is required for providing the engagement sections within the housing or the like, and thus it is possible toto avoid an increase in the size of the housing due to the provision of the engagement sections.[4] The connector (1) according to [1] further comprises: a tubular body (50) with a tubular shape into which the terminal-equipped electrical wire (30) is inserted and which is deformable according to a wiring direction of the terminal-equipped electrical wire (30). According to the connector with the configuration of [4], the watertightness, insulation or the like of the terminal-equipped electrical wire can be achieved by inserting the terminal-equipped electrical wire into the tubular body. Since the tubular body is deformable according to the wiring direction of the terminal-equipped electrical wire,The tubular body does not interfere with the wiring of the electrical wire.[5] The connector (1) according to [4] further comprises: a fastening section (42) for attaching the tubular body (40) to a circumferential element. According to the connector with the configuration of [5], attaching the fastening section of the tubular body to the circumferential element can prevent problems such as vibration of the tubular body during use of the connector. QUOTES INCLUDED IN THE DESCRIPTION This list of documents cited by the applicant was automatically generated and is included solely for the reader's convenience. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions. Cited patent literature JP 2022-083460A

[0003]

Claims

Connector (1) comprising: a first terminal (10) configured to connect to a mating terminal; a housing (20) configured to receive the first terminal (10); and an electrically connected wire (30) comprising: a second terminal (31) configured to be attached to a predetermined section within the housing (20) and electrically connected to the first terminal (10); an electrical wire (32) extending from the second terminal (31);and an engagement section (34) which engages with the housing (20), wherein the position of the second terminal (31) in the circumferential direction of a mounting axis (O) of the second terminal (31) is adjustable by setting an engagement position between the engagement section (34) and the housing (20), and wherein the housing (20) comprises an opening section (25) through which the terminalized electrical wire (30) can be inserted into and led out of the housing (20) independently of the circumferential position of the second terminal (31). Connector (1) according to claim 1, wherein the housing (20) comprises a plurality of engagement sections (27a) that can be engaged with the engagement section (34), and wherein the position of the second terminal (31) of the terminal-provided electrical wire (30) is adjustable in the circumferential direction by engaging one of the plurality of engagement sections (27a) with the engagement section (34). Connector (1) according to claim 2, wherein the plurality of engagement sections (27a) are arranged side by side in the circumferential direction at an opening edge of the opening section (25). Connector (1) according to claim 1, further comprising: a tubular body (50) with a tubular shape into which the electrical wire (30) provided with a terminal is inserted and which is deformable according to a wiring direction of the electrical wire (30) provided with a terminal. Connector (1) according to claim 4, further comprising: a fastening section (42) for fastening the tubular body (40) to a circumferential element.

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