Waterproof adapter and mounting structure thereof

Abstract

The utility model discloses a waterproof adapter and a mounting structure thereof, the waterproof adapter comprises a shell, the shell comprises a mounting cavity formed along the axis of the shell, the outer wall of the shell extends towards the outer side along the circumferential direction to form a positioning ring, the shell penetrates through the wall of a fixed cabin, and the positioning ring is used for limiting the position of the shell relative to the fixed cabin; and an annular first step is arranged in the mounting cavity. The terminal insulator is inserted in the installation cavity and fixedly connected with the shell, a second step is formed on the outer wall of the terminal insulator, the second step abuts against the first step, and waterproof fixing glue is arranged on the abutting face of the second step and the first step. The terminal assembly is fixed in the terminal insulator, the terminal assembly comprises a male terminal and a female terminal which are arranged in pairs, and the pair of male terminal and female terminal are sequentially arranged along the axis and are communicated with each other. The adapter is good in waterproof performance and convenient to install, and the installation structure can be changed according to the use environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wire harness adapter technical field especially relates to a waterproof adapter and installation structure thereof. BACKGROUND

[0002] With the development of automatic driving and safety auxiliary system in the field of engineering vehicles, marine equipment, aerospace, precision instrument equipment and the like, various kinds of auxiliary facilities and parts are generally arranged outside the cockpit. The existing vehicles and equipment are usually provided with a junction box on the side wall of the cockpit, the junction box is used for butt joint and fixing of the wire harness inside the cockpit and the wire harness outside the cockpit, and the junction box is used for improving the dustproof and waterproof performance of the cockpit. With the increasing richness of the function configuration of vehicles and ships and the diversified development of electrical functional parts, higher requirements are put forward for electrical design, and the current junction box structure has single function and poor installation applicability, which cannot meet the use requirement. SUMMARY

[0003] In order to overcome the above-mentioned shortcomings, the utility model discloses a waterproof adapter and installation structure thereof, which has good waterproof performance, is convenient to install and can install the structure according to the change of use environment.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme: a waterproof adapter comprises:

[0005] A shell comprises an installation cavity opened along an axis thereof, an outer wall of the shell extends outwardly in a circumferential direction and is provided with a positioning ring, the shell penetrates a fixed cabin wall, and the positioning ring is used for limiting the position of the shell relative to the fixed cabin, and a first annular step is arranged in the installation cavity;

[0006] A terminal insulator is inserted into the installation cavity and fixedly connected with the shell, an outer wall of the terminal insulator forms a second step, the second step abuts against the first step, and waterproof fixing glue is arranged on an abutting surface;

[0007] A terminal assembly is fixed in the terminal insulator, the terminal assembly comprises a male terminal and a female terminal arranged in pairs, and the male terminal and the female terminal are sequentially arranged along the axis and are communicated.

[0008] The utility model has the advantages that the waterproof adapter forms a whole piece, is directly fixed on the fixed cabin wall and is used for connecting the wire harness.

[0009] The waterproof adapter limits the position of the shell on the fixed cabin wall through the positioning ring, when the shell is fixed on the fixed cabin wall, the two ends of the shell are located on the two sides of the fixed cabin wall respectively.

[0010] The position of the terminal insulator along the axis in the mounting cavity is defined by the cooperation of the first step of the shell and the second step of the terminal insulator, and the terminal insulator cannot continue to move downward after the first step and the second step abut. The waterproof fixing glue can fix the terminal insulator and the shell, prevent loosening of the terminal insulator and the shell, has a waterproof effect, seals the connection between the terminal insulator and the shell, and improves the sealing performance of the waterproof adapter.

[0011] Further, the terminal insulator comprises a male terminal insulator and a female terminal insulator which are inserted with interference, and the second step is located at the connection between the male terminal insulator and the female terminal insulator.

[0012] The male terminal insulator is inserted into the mounting cavity with interference, the female terminal insulator has a gap to the mounting cavity, and the female terminal insulator is sleeved with a sealing ring located at the gap. When the wire harness is inserted into the gap, the sealing ring can be pressed on the first boss to form a sealing waterproof structure, thereby improving the sealing performance between the wire harness and the waterproof adapter and between the terminal insulator and the shell.

[0013] Further, an external thread is arranged on the outer wall of the shell. The arrangement of the external thread facilitates the fixation of the shell and the fixed bulkhead, and facilitates the quick fixation of the shell and the wire harness.

[0014] The utility model discloses still disclose a waterproof adapter's installation structure, including above-mentioned waterproof adapter, the fixed bulkhead is set up with the through -hole that the part of shell passes through, the diameter of through -hole is less than the outer diameter of positioning ring, installation structure still includes:

[0015] Sealing gasket, the sealing gasket is used for sealing the connecting place of positioning ring and fixed bulkhead, positioning piece, positioning piece is used for with fixed bulkhead fixed waterproof adapter. Positioning piece can extrude sealing gasket towards fixed bulkhead, and let sealing gasket deformation produce sealing waterproof effect.

[0016] Further, the sealing gasket is located between the positioning ring and the fixed bulkhead.

[0017] Still further, the positioning member includes a fastening screw, and the fastening screw is threadedly connected through the positioning ring, the sealing gasket and the fixed bulkhead.

[0018] Further, the sealing gasket and the positioning ring are located on two sides of the fixed bulkhead, respectively.

[0019] Further, a fastening metal washer is arranged between the sealing gasket and the positioning member, which effectively protects the sealing gasket and makes the force exerted on the sealing gasket by the fastening nut more uniform.

[0020] Further, the positioning member is a fastening nut threadedly connected with the shell, the fastening nut and the positioning ring are located on two sides of the fixed bulkhead, and the fixed bulkhead and the sealing gasket are clamped between the fastening nut and the positioning ring.

[0021] Further, the positioning member is a fastening nut threadedly connected with the shell, the fastening nut and the positioning ring are located on two sides of the fixed bulkhead, and the fixed bulkhead and the sealing gasket are clamped between the fastening nut and the positioning ring. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a perspective structural schematic view of the utility model embodiment one;

[0023] Figure 2 It is a sectional view of the utility model embodiment one;

[0024] Figure 3 It is another angle structural schematic view of the utility model embodiment one;

[0025] Figure 4 It is Figure 2 It is a large view of A in the middle;

[0026] Figure 5 It is an explosion view of the utility model embodiment two;

[0027] Figure 6 It is an explosion view of the utility model embodiment three;

[0028] Figure 7 It is an explosion view of the utility model embodiment four;

[0029] Figure 8 It is an explosion view of the utility model embodiment five;

[0030] Figure 9 It is an explosion view of the utility model embodiment six.

[0031] In the drawing:

[0032] 1, shell; 11, positioning ring; 12, first step;

[0033] 2, terminal insulator; 2a, second step; 21, male terminal insulator; 22, female terminal insulator;

[0034] 3, terminal assembly; 31, male terminal; 32, female terminal;

[0035] 4, sealing ring;

[0036] 5, fixed bulkhead;

[0037] 6, sealing gasket;

[0038] 71, fastening screw; 72, fastening metal washer; 73, fastening nut; 74, anti-loosening nut; 75, elastic washer; 76, locking metal washer;

[0039] 100, waterproof adapter. DETAILED DESCRIPTION

[0040] The advantages and features of the present application will be more apparent from the following detailed description of preferred embodiments of the present application, taken in conjunction with the accompanying drawings, in which:

[0041] Embodiment One

[0042] The waterproof adapter 100 of the present application is fixed on the fixed bulkhead 5, one end is connected with the first wire harness outside the cabin body, the other end is connected with the second wire harness inside the cabin body, and the connection of the wire harness inside and outside the cabin body is realized through the waterproof adapter 100.

[0043] Referring to Figs. 1-3, Figure 1 , Figs. 4-6, Figure 2 and Figs. 7-9, Figure 3 the waterproof adapter 100 comprises a shell 1, a terminal insulator 2 and a terminal assembly 3, the shell 1, the terminal insulator 2 and the terminal assembly 3 are fixedly connected to form an integral structure, the terminal insulator 2 is used to separate the shell 1 and the terminal assembly 3, and the terminal assembly 3 is used to conduct the first wire harness and the second wire harness.

[0044] Referring to Figs. 1-3, Figure 2 and Figs. 4-6, Figure 4 the shell 1 comprises an installation cavity opened along the axis thereof, the outer wall of the shell 1 extends outwardly in the circumferential direction and has a positioning ring 11, the outer side is the side away from the axis in the radial direction. The shell 1 penetrates through the fixed bulkhead 5 and is fixedly connected with the fixed bulkhead 5, the positioning ring 11 is used to limit the position of the shell 1 relative to the fixed bulkhead, and a first annular step 12 is arranged in the installation cavity. The terminal insulator 2 is inserted into the installation cavity and is fixedly connected with the shell 1, the outer wall of the terminal insulator 2 forms a second step 2a, the second step 2a abuts against the first step 12 and waterproof fixing glue is arranged on the abutting surface. The terminal assembly 3 comprises a pair of male terminals 31 and female terminals 32 arranged in pairs, the pair of male terminals 31 and female terminals 32 are sequentially arranged along the axis and are communicated, and the terminal assembly 3 is fixed in the terminal insulator 2.

[0045] In this embodiment, the waterproof adapter 100 replaces the junction box and is directly fixed on the fixed bulkhead 5 to realize the connection of the first wire harness and the second wire harness inside and outside the cabin. The position of the shell 1 on the fixed bulkhead 5 is limited by the positioning ring 11, and when the shell 1 is fixed on the fixed bulkhead 5, the two ends of the shell 1 are located on the two sides of the fixed bulkhead 5 respectively. The position of the terminal insulator 2 along the axis in the mounting cavity is limited by the cooperation of the first step 12 of the shell 1 and the second step 2a of the terminal insulator 2, and when the first step 12 and the second step 2a abut, the terminal insulator 2 cannot continue to move downward. The waterproof fixing glue can not only fix the terminal insulator 2 and the shell 1 and prevent the terminal insulator 2 and the shell 1 from loosening, but also has a waterproof effect, sealing the connection between the terminal insulator 2 and the shell 1 to improve the sealing performance of the waterproof adapter 100.

[0046] The terminal assembly 3 is inserted into the terminal insulator 2 in interference fit, and the terminal insulator 2 is provided with an insertion channel in a direction parallel to the axis. The terminal assembly 3 includes a first boss extending outwardly along the side wall, and the insertion channel extends outwardly along the side wall and has a first positioning concave ring in communication with the insertion channel. The first boss can be embedded in the first positioning convex ring to position the terminal assembly 3.

[0047] The waterproof fixing glue is epoxy resin glue.

[0048] As shown in the drawings, the terminal assembly 3 is provided with four terminal assemblies 3, and the four terminal assemblies 3 are parallel to each other.

[0049] As shown in the drawings, Figure 3 The terminal insulator 2 includes a male terminal insulator 21 and a female terminal insulator 22, and the male terminal insulator 21 and the female terminal insulator 22 are fixed in interference fit. The male terminal 31 is located at the position of the male terminal insulator 21, and the female terminal 32 is located at the position of the female terminal insulator 22.

[0050] The male terminal insulator 21 is inserted into the mounting cavity in interference fit, and the female terminal insulator 22 has a gap to the mounting cavity, and the second step 2a is located at the connection between the male terminal insulator 21 and the female terminal insulator 22. Waterproof fixing glue is also applied between the side wall of the male terminal insulator 21 and the placement cavity to improve the sealing performance of the waterproof adapter 100 and the stability of the connection between the terminal insulator 2 and the shell 1.

[0051] The male terminal insulator 21 extends out of the shell 1 along the axis, the first wire harness is connected to the male terminal insulator 21 and directly communicates with the male terminal 31. The end of the second wire harness can be inserted into the gap to connect to the female terminal insulator 22 and directly communicate with the female terminal 32.

[0052] In one embodiment, the female terminal insulator 22 is sleeved with a sealing ring 4 at the gap, when the second wire harness is inserted into the gap, a force in the drawing can be applied on the sealing ring 4 to press the sealing ring 4 on the first boss, so as to form a sealing waterproof structure, and improve the sealing between the first wire harness and the waterproof adapter 100 and between the terminal insulator 2 and the shell 1.

[0053] Referring to the drawings Figure 1 As shown in the drawings, the outer wall of the shell 1 is provided with external threads, the external threads are arranged to facilitate the fixing of the shell 1 and the fixed bulkhead 5, and also facilitate the quick fixing of the shell 1 and the first wire harness and the second wire harness.

[0054] In one embodiment, the positioning ring 11 is located in the middle region of the shell 1, and the external threads at both ends of the positioning ring 11 are opposite in direction, so that when the first wire harness and the second wire harness are rotated in one direction, they are fixed with the shell 1.

[0055] Embodiment two

[0056] The mounting structure of the waterproof adapter 100 of the utility model, including the waterproof adapter 100 in embodiment one, the fixed bulkhead 5 is provided with a through hole for the shell 1 to pass through, and the diameter of the through hole is smaller than the outer diameter of the positioning ring 11.

[0057] The mounting structure further includes a sealing gasket 6 and a positioning member, the sealing gasket 6 is used for sealing the connection between the positioning ring 11 and the fixed bulkhead 5, and the positioning member is used for fixing the waterproof adapter 100 and the fixed bulkhead 5, the positioning member can extrude the sealing gasket 6 towards the fixed bulkhead 5, so that the sealing gasket 6 is deformed to achieve a sealing waterproof effect.

[0058] Referring to the drawings Figure 5 As shown in the drawings, the sealing gasket 6 and the positioning ring 11 are located on both sides of the fixed bulkhead 5, the positioning member is a fastening nut 73 threadedly connected with the shell 1, the fastening nut 73 and the sealing gasket 6 are located on the same side of the fixed bulkhead 5, and the sealing gasket 6 is located between the fixed bulkhead 5 and the fastening nut 73, so that the fixed bulkhead 5 and the sealing gasket 6 are clamped between the fastening nut 73 and the positioning ring 11.

[0059] By means of one fastening nut 73 and the cooperation of the positioning ring 11, the fixed bulkhead 5 and the waterproof adapter 100 are quickly fixed. Meanwhile, the sealing gasket 6 is added, the waterproof performance is good, and waterproof installation is achieved.

[0060] Embodiment three

[0061] Referring to the drawings Figure 6 As shown in the drawings, the difference between the present embodiment and embodiment two is that the sealing gasket 6 and the positioning ring 11 are located on the same side of the fixed bulkhead 5, and the sealing gasket 6 is located between the positioning ring 11 and the fixed bulkhead 5.

[0062] Embodiment four

[0063] The difference between the present example and Example Two is that, as shown in Figure 7 The mounting structure of the waterproof adapter 100 further comprises a fastening metal washer 72, which is located between the sealing gasket 6 and a fastening nut 73.

[0064] The present example effectively protects the sealing gasket 6 by adding a fastening metal washer 72, and makes the force exerted by the fastening nut 73 on the sealing gasket 6 more uniform, and can be used in a scene prone to vibration.

[0065] Example Five

[0066] The difference between the present example and Example Four is that, as shown in Figure 8 The positioning member in the present example is not a fastening nut 73, but a pair of fastening screws 71, a lock nut 74, and an elastic washer 75 fixed on the lock nut 74, and the fastening screw 71 is threadedly connected with the lock nut 74 through the sealing gasket 6, the fixed bulkhead 5, and the positioning ring 11.

[0067] The structure of the positioning member in the present example is relatively stable compared to the structure of the positioning member in Example Four, and can be used in a scene prone to vibration.

[0068] The fastening metal washer 72, the sealing gasket 6, the fixed bulkhead 5, and the positioning ring 11 are provided with through holes for the fastening screw 71 to pass through, and the fastening metal washer 72, the sealing gasket 6, the fixed bulkhead 5, and the positioning ring 11 are clamped between the nut of the fastening screw 71 and the lock nut 74.

[0069] The positioning member in the present example is suitable for equipment installation with anti-vibration, anti-loosening, and waterproof requirements.

[0070] There are three positioning members, which are evenly distributed circumferentially along the positioning ring 11, and the fixation of the waterproof adapter 100 is more stable at this time.

[0071] The positioning member further comprises a locking metal washer 76, which is sleeved outside the screw rod of the fastening screw 71 and located between the nut of the fastening screw 71 and the fastening metal washer 72. The added locking metal washer 76 makes the fixation of the fastening screw 71 more stable.

[0072] Example Six

[0073] The difference between the present example and Example Three is that, as shown in Figure 9As shown, the positioning member in the embodiment is not the fastening nut 73, but the fastening screw 71 which is screwed through the positioning ring 11, the sealing gasket 6 and the fixed bulkhead 5. The positioning ring 11 and the sealing gasket 6 are provided with through holes for the fastening screw 71 to pass through, and the nut of the fastening screw 71 clamps the positioning ring 11 and the sealing gasket 6 on the fixed bulkhead 5.

[0074] The three positioning members are uniformly distributed along the circumference of the positioning ring 11, and the fixed bulkhead 5 is provided with threaded holes corresponding to the fastening screws 71.

[0075] The mounting structure has various structures, when the waterproof adapter 100 is used, the user sets the position of the sealing gasket 6 and selects the positioning member according to the needs, and selects the mounting structure with different structures according to different installation environments, so that the signal switching of the waterproof adapter 100 is carried out in a fixed, waterproof and shock-resistant space for long-term use.

[0076] The above embodiments are only for illustrating the technical concept and characteristics of the present application, the purpose is to let the person skilled in the art understand the content of the present application and implement it, and cannot limit the protection scope of the present application, any equivalent changes or modifications made according to the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. A waterproof adapter, characterized by: The utility model relates to a waterproof adapter, comprising: a shell comprising a mounting cavity along its axis, the outer wall of the shell extending outwardly in the circumferential direction with a positioning ring, the shell passing through a fixed bulkhead and the positioning ring being used to define the position of the shell relative to the fixed bulkhead, an annular first step being arranged in the mounting cavity; a terminal insulator inserted into the mounting cavity and fixedly connected with the shell, the outer wall of the terminal insulator forming a second step, the second step abutting against the first step and being provided with waterproof fixing glue at the abutting surface; a terminal assembly fixed in the terminal insulator, the terminal assembly comprising a pair of male terminals and female terminals arranged in pairs, the pair of male terminals and female terminals being sequentially arranged along the axis and being in communication.

2. The waterproof adapter of claim 1, wherein: The terminal insulator comprises a male terminal insulator and a female terminal insulator inserted with interference, and the second step is located at the connection between the male terminal insulator and the female terminal insulator; the male terminal insulator is inserted into the mounting cavity with interference, and the female terminal insulator is provided with a gap to the mounting cavity, and the female terminal insulator is sleeved with a sealing ring located at the gap.

3. The waterproof adapter of claim 1, wherein: The outer wall of the shell is provided with external threads.

4. A mounting structure of a waterproof adapter characterized by comprising: The waterproof adapter of any one of claims 1-3, a through hole is arranged on the fixed bulkhead for the shell to pass through, the diameter of the through hole is smaller than the outer diameter of the positioning ring, and the mounting structure further comprises: a sealing gasket used to seal the connection between the positioning ring and the fixed bulkhead; a positioning member used to fix the waterproof adapter and the fixed bulkhead.

5. The mounting structure of a waterproof adapter according to claim 4, wherein: The sealing gasket is located between the positioning ring and the fixed bulkhead.

6. The mounting structure of a waterproof adapter according to claim 5, wherein: The positioning member comprises a fastening screw, and the fastening screw is threadedly connected through the positioning ring, the sealing gasket and the fixed bulkhead.

7. The mounting structure of a waterproof adapter according to claim 4, wherein: The sealing gasket and the positioning ring are respectively located on both sides of the fixed bulkhead.

8. The mounting structure of a waterproof adapter according to claim 7, wherein: A fastening metal washer is arranged between the sealing gasket and the positioning member.

9. The mounting structure of a waterproof adapter according to Claim 4, wherein: The positioning member is a fastening nut threadedly connected with the shell, the fastening nut and the positioning ring are located on both sides of the fixed bulkhead, and the fixed bulkhead and the sealing gasket are clamped between the fastening nut and the positioning ring.

10. The mounting structure of a waterproof adapter according to claim 4, wherein: The positioning member is a pair of fastening screws, a lock nut and an elastic washer fixed on the lock nut, and the fastening screws are threadedly connected with the lock nut through the sealing gasket, the fixed bulkhead and the positioning ring.

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