Waterproof signal line

Abstract

The utility model discloses a waterproof signal line, which comprises a line body and two protective covers, one end of the line body is fixedly connected with a first connecting plug, the other end of the line body is fixedly provided with a second connecting plug, the side wall of one end of each protective cover is provided with a through hole, the port of each protective cover is fixedly provided with a fixing ring, and the fixing rings are fixedly connected with the protective covers. The outer ends of the first connecting plug and the second connecting plug are sleeved with the protective covers, the contact pins in the first connecting plug are inserted into the contact pin holes in the second connecting plug, the second sealing gasket is placed between the two fixing rings and fixed through the bolts, the connecting position of the two protective covers is sealed, and meanwhile the sealing rings are located in the grooves. The inner end side wall of the protective cover is in close contact with the outer wall of the first sealing gasket, the connecting position of the protective cover and the first connecting plug or the second connecting plug is sealed, and finally the outer ends of the first connecting plug, the second connecting plug, the protective cover and the fixing ring are sleeved with elastic sleeves, so that the connector of the two wire harnesses has good sealing and waterproof effects, and disassembly and maintenance are easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a waterproof signal line. BACKGROUND

[0002] Signal line mainly refers to the line for transmitting sensing information and control information in electrical control circuit. Signal line is often composed of multiple cable lines into a bundle or multiple transmission lines, and can also be printed line arranged in printed board circuit. With the continuous progress of science and technology and application, signal line has developed from metal carrier to other carriers such as optical cable.

[0003] The existing signal line is generally connected through the threaded structure arranged on the connecting head of two wire bundles, the ordinary threaded connection structure is poor in waterproofness, is easy to rust, and the threaded connection is not suitable for the wire bundle integrated with several signal lines inside, the signal lines in the two connecting heads cannot be corresponded one by one, in addition, the existing technology generally adds waterproof sealant at the connecting position, which leads to difficult subsequent maintenance, must be violently disassembled, and the signal line is easily damaged by the carelessness of the operator. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a waterproof signal line to solve the problems of poor waterproofness of the connecting head connecting structure of two wire bundles and difficult disassembly and maintenance.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a waterproof signal line, comprising: wire body and protective cover, one end of the wire body is fixedly connected with plug-in connector one, the other end is fixedly installed with plug-in connector two, the protective cover is provided with two, the sidewall of one end of each protective cover is provided with through hole, and the port of the protective cover is fixedly installed with fixed ring.

[0006] The two protective covers are respectively sleeved on the outer ends of the plug-in connector one and the plug-in connector two through the through holes, the two fixed rings are fixedly connected through screws, and the sealing components are arranged between the protective cover and the plug-in connector one or the plug-in connector two.

[0007] Further, the wire body includes a plurality of wire cores, the outer side of the plurality of wire cores is wrapped with a connecting layer, the outer end of the connecting layer is fixedly connected with a shielding layer, the outer end of the shielding layer is fixedly connected with a waterproof layer, and the outer end of the waterproof layer is fixedly connected with a wear-resistant layer.

[0008] Further, the plug-in pin in the plug-in connector one can be inserted into the plug-in pin hole in the plug-in connector two.

[0009] Further, sealing gasket two is installed between the two fixed rings, the sealing gasket two is annular, a plurality of bolt holes are formed in the sidewalls of the fixed ring and the sealing gasket two, and nuts are threadedly connected with the bolts after the bolts pass through the sidewalls of the fixed ring and the sealing gasket two.

[0010] Further, the sealing component comprises a groove, a limiting ring and a sealing ring, the groove is arranged on the outer wall of the plug-in head one or the plug-in head two, and the limiting ring is fixedly installed on the outer wall of the plug-in head one or the plug-in head two and located at one side of the groove.

[0011] Further, the sealing ring is fixedly installed on the inner end side wall of the through hole, and the inner side of the sealing ring is arc-shaped.

[0012] Further, the sealing gasket one is fixedly installed on the outer wall of one end of the limiting ring close to the groove.

[0013] Further, when the two fixing rings are fixed together, the sealing ring is located in the groove, and the inner end side wall of the protective cover and the outer wall of the sealing gasket one are in close contact.

[0014] Further, the outer end of the plug-in head one, the plug-in head two, the protective cover and the fixing ring is sleeved with an elastic sleeve.

[0015] Therefore, the waterproof signal line has the advantages that:

[0016] The protective cover is sleeved on the outer end of the plug-in head one and the plug-in head two, the pin in the plug-in head one is inserted into the pin hole in the plug-in head two, the sealing gasket two is arranged between the two fixing rings and fixed by the bolt, the connecting part of the two protective covers is sealed, the sealing ring is located in the groove, the inner end side wall of the protective cover and the outer wall of the sealing gasket one are in close contact, the connecting part of the protective cover and the plug-in head one or the plug-in head two is sealed, and finally the outer end of the plug-in head one, the plug-in head two, the protective cover and the fixing ring is sleeved with an elastic sleeve, so that the connecting head of the two wire harnesses has good sealing and waterproof effect and is easy to disassemble and maintain. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the waterproof signal line;

[0018] Figure 2 It is an elastic sleeve unfolding schematic view of the waterproof signal line;

[0019] Figure 3 It is a two protective cover unfolding schematic view of the waterproof signal line;

[0020] Figure 4 It is a plug-in head two structure schematic view of the waterproof signal line;

[0021] Figure 5 It is a protective cover and plug-in head one unfolding schematic view of the waterproof signal line;

[0022] Figure 6The utility model provides a waterproof signal wire in the paste formula wireless line body cross section schematic diagram.

[0023] In the drawing: 1, line body; 2, plug connector one; 3, plug connector two; 4, recess; 5, limiting ring; 6, sealing gasket one; 7, protective cover; 8, through hole; 9, sealing ring; 10, fixed ring; 11, bolt hole; 12, sealing gasket two; 13, elastic sleeve; 14, wire core; 15, connecting layer; 16, shielding layer; 17, waterproof layer; 18, wear-resistant layer. DETAILED DESCRIPTION

[0024] In order to make the utility model embodiment purposes, technical scheme and advantage more clearly, below will combine the drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is the utility model part embodiment, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor are within the scope of the utility model protection. Therefore, the following detailed description of the embodiment of the utility model provided in the drawing is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor are within the scope of the utility model protection.

[0025] The utility model provides a waterproof signal wire as Figures 1-6 As shown in the drawing, a waterproof signal wire comprises a line body 1 and a protective cover 7, one end of the line body 1 is fixedly connected with a plug connector one 2, the other end is fixedly installed with a plug connector two 3, the protective cover 7 is provided with two, one end of each protective cover 7 is provided with a through hole 8 on the side wall, the diameter of the through hole 8 is greater than the diameter of the plug connector one 2 and the plug connector two 3, the two protective covers 7 are sleeved on the outer end of the plug connector one 2 and the plug connector two 3 through the through hole 8, the plug pin in the plug connector one 2 can be inserted into the plug pin hole in the plug connector two 3, the plug connector one 2 and the plug connector two 3 are connected together, the fixed ring 10 is fixedly installed at the port of the protective cover 7, the sealing gasket two 12 is installed between the two fixed rings 10, the sealing gasket two 12 is annular, a plurality of bolt holes 11 are formed in the side wall of the fixed ring 10 and the sealing gasket two 12, the nut is threadedly connected with the bolt after the bolt passes through the side wall of the fixed ring 10 and the sealing gasket two 12, the outer wall of the fixed ring 10 and the sealing gasket two 12 is tightly contacted by screwing the nut tightly, the connecting portion of the two protective covers 7 is sealed, the two protective covers 7 are fixed on the outer side of the plug connector one 2 and the plug connector two 3, and the two protective covers 7 are protected.

[0026] The sealing part is arranged between the protective cover 7 and the plug-in head one 2 or the plug-in head two 3, and seals the connection between the protective cover 7 and the plug-in head one 2 or the plug-in head two 3. The sealing part comprises a groove 4, a limiting ring 5 and a sealing ring 9. The groove 4 is arranged on the outer wall of the plug-in head one 2 or the plug-in head two 3, and is in a circular arc shape. The limiting ring 5 is fixedly installed on the outer wall of the plug-in head one 2 or the plug-in head two 3, and is located on one side of the groove 4. The sealing ring 9 is fixedly installed on the inner end side wall of the through hole 8, and the inner side of the sealing ring 9 is in an arc shape. The sealing ring 9 is inserted into the groove 4 by extruding the shell of the sealing ring 9, and is in close contact with the inner wall of the groove 4, thereby sealing the protective cover 7 and the plug-in head one 2 or the plug-in head two 3.

[0027] The sealing gasket one 6 is fixedly installed on the outer wall of one end of the limiting ring 5 close to the groove 4. When the two fixing rings 10 are fixed together, the sealing ring 9 is located in the groove 4, and the inner end side wall of the protective cover 7 is in close contact with the outer wall of the sealing gasket one 6, thereby sealing the protective cover 7 and the plug-in head one 2 or the plug-in head two 3 again, and achieving the effect of double sealing, so as to prevent water vapor from entering the inner end of the protective cover 7.

[0028] Specifically, the protective cover 7 is sleeved on the outer end of the plug-in head one 2 and the plug-in head two 3, the plug-in pin in the plug-in head one 2 is inserted into the plug-in pin hole in the plug-in head two 3, the sealing gasket two 12 is arranged between the two fixing rings 10, the bolt is threadedly connected with the nut after penetrating through the side wall of the fixing ring 10 and the sealing gasket two 12, the connection between the two protective covers 7 is sealed, the two protective covers 7 are fixed on the outer sides of the plug-in head one 2 and the plug-in head two 3, and the outer ends of the plug-in head one 2 and the plug-in head two 3 are protected. Meanwhile, the sealing ring 9 is located in the groove 4, and the inner end side wall of the protective cover 7 is in close contact with the outer wall of the sealing gasket one 6, thereby sealing the connection between the protective cover 7 and the plug-in head one 2 or the plug-in head two 3, and preventing water vapor from entering the inner end of the protective cover 7.

[0029] In some embodiments, as shown in Figure 1 and Figure 2 the outer ends of the plug-in head one 2, the plug-in head two 3, the protective cover 7 and the fixing ring 10 are sleeved with an elastic sleeve 13. More specifically, the elastic sleeve 13 is made of high-elasticity rubber, and the two ends of the elastic sleeve 13 are tightly attached to the outer walls of the plug-in head one 2 and the plug-in head two 3, respectively. The plug-in head one 2, the plug-in head two 3, the protective cover 7 and the fixing ring 10 are covered by the elastic sleeve 13, thereby further increasing the sealing and waterproof effect.

[0030] In some embodiments, as shown in Figure 6As shown, the wire body 1 comprises a plurality of wire cores 14, the outer side of the plurality of wire cores 14 is wrapped with a connecting layer 15, the outer end of the connecting layer 15 is fixedly connected with a shielding layer 16, the outer end of the shielding layer 16 is fixedly connected with a waterproof layer 17, the outer end of the waterproof layer 17 is fixedly connected with a wear-resistant layer 18, more specifically, the waterproof layer 17 is a waterproof and breathable film layer, the waterproof and breathable film has good waterproof effect, so that the wire body 1 has good waterproof effect.

[0031] Working principle:

[0032] Step one: by sleeving the protective cover 7 on the outer end of the plug-in connector one 2 and the plug-in connector two 3, inserting the plug pin in the plug-in connector one 2 into the pin hole in the plug-in connector two 3, placing the sealing gasket two 12 between the two fixing rings 10, and sealing the connection between the two protective covers 7 through the bolt fixation;

[0033] Step two: the sealing ring 9 is located in the groove 4, and the inner end side wall of the protective cover 7 and the outer wall of the sealing gasket one 6 are in close contact, the connection between the protective cover 7 and the plug-in connector one 2 or the plug-in connector two 3 is sealed, and finally the elastic sleeve 13 is sleeved on the outer end of the plug-in connector one 2, the plug-in connector two 3 and the protective cover 7 and the fixing ring 10, and the connection of the wire body 1 is waterproof.

[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

[0035] It should be noted that, in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

Claims

1. A waterproof signal line, characterized by: Include: Line body (1) and protective cover (7), one end of line body (1) is fixedly connected with plug-in connector one (2), the other end is fixedly installed with plug-in connector two (3), protective cover (7) is provided with two, the side wall of one end of each protective cover (7) is provided with through hole (8), and the port of protective cover (7) is fixedly installed with fixed ring (10); Two protective covers (7) are respectively sleeved on the outer end of plug-in connector one (2) and plug-in connector two (3) through through hole (8), two fixed rings (10) are fixedly connected by screws, and sealing components are arranged between protective cover (7) and plug-in connector one (2) or plug-in connector two (3).

2. The waterproof signal cable according to claim 1, wherein: The line body (1) includes a plurality of wire cores (14), the outer side of the plurality of wire cores (14) is wrapped with a connecting layer (15), the outer end of the connecting layer (15) is fixedly connected with a shielding layer (16), the outer end of the shielding layer (16) is fixedly connected with a waterproof layer (17), and the outer end of the waterproof layer (17) is fixedly connected with a wear-resistant layer (18).

3. The waterproof signal cable of claim 1, wherein: The pin in the plug-in connector one (2) can be inserted into the pin hole in the plug-in connector two (3).

4. The waterproof signal cable of claim 1, wherein: Two sealing gaskets two (12) are installed between the two fixed rings (10), the sealing gaskets two (12) are annular, a plurality of bolt holes (11) are formed in the side walls of the fixed rings (10) and the sealing gaskets two (12), and nuts are threadedly connected with the bolts after the bolts pass through the side walls of the fixed rings (10) and the sealing gaskets two (12).

5. The waterproof signal cable of claim 1, wherein: The sealing components include a groove (4), a limiting ring (5) and a sealing ring (9), the groove (4) is formed in the outer wall of the plug-in connector one (2) or the plug-in connector two (3), the limiting ring (5) is fixedly installed on the outer wall of the plug-in connector one (2) or the plug-in connector two (3), and located on one side of the groove (4).

6. The waterproof signal cable of claim 5, wherein: The sealing ring (9) is fixedly installed on the inner end side wall of the through hole (8), and the inner side of the sealing ring (9) is arc-shaped.

7. The waterproof signal line according to claim 6, wherein: The limiting ring (5) is fixedly installed with a sealing gasket one (6) on the outer wall of one end close to the groove (4).

8. The waterproof signal line according to claim 7, characterized in that: When the two fixed rings (10) are fixed together, the sealing ring (9) is located in the groove (4), and the inner end side wall of the protective cover (7) and the outer wall of the sealing gasket one (6) are in close contact.

9. The waterproof signal cable of claim 1, wherein: The outer end of the plug-in connector one (2), the plug-in connector two (3), the protective cover (7) and the fixed ring (10) is sleeved with an elastic sleeve (13).

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