Waterproof back door opening and closing structure

Abstract

The utility model discloses a waterproof back door switch structure which comprises a base, a sealing sleeve and a switch body. The base is provided with a mounting column; the sealing sleeve is arranged at the end of the mounting column in a sleeving mode, a waterproof cavity is defined by the sealing sleeve and the mounting column, a sleeving hole is formed in the sealing sleeve, the hole wall of the sleeving hole abuts against the peripheral wall of the mounting column, a first sealing part is arranged on the hole wall of the sleeving hole in a surrounding mode, a first matching part is arranged on the peripheral wall of the mounting column in a surrounding mode, and a second sealing part is arranged on the first matching part. One of the first sealing part and the first matching part is a first ring rib, the other one of the first sealing part and the first matching part is a first ring groove, and the first ring rib is embedded in the first ring groove in a sealing manner; the switch body is arranged on the base and located in the waterproof cavity. The sealing sleeve is arranged on the peripheral wall of the mounting column in a sleeving mode through the sleeving hole, the sealing sleeve is fixed to the mounting column of the base in the mode that the first ring rib is matched with the first ring groove, and therefore fixing pieces can be saved, and the waterproof back door opening and closing structure is simpler.

Description

Technical Field

[0001] The utility model relates to the field of automobile switches, in particular to a waterproof back door switch structure. Background Art

[0002] The common car back door can be opened by a push-type switch structure, and since the switch structure generally needs to be exposed, the switch structure needs to be waterproof. Some existing car waterproof back door switch structures include a base, a sealing cover, a switch body and a fixing member, and the fixing member fixes the sealing cover on the base so that a waterproof cavity is formed between the sealing cover and the base, and the switch body is arranged in the waterproof cavity. However, the above-mentioned waterproof back door switch structure is still relatively complex. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a waterproof back door switch structure with a simpler structure.

[0004] According to the waterproof back door switch structure of the embodiment of the utility model, it includes a base, a sealing sleeve and a switch body. The base is provided with a mounting column; the sealing sleeve is sleeved on the end of the mounting column and enclosed with the mounting column to form a waterproof cavity, the sealing sleeve is provided with a sleeve hole, the hole wall of the sleeve hole abuts against the outer peripheral wall of the mounting column, the hole wall of the sleeve hole is surrounded by a first sealing part, the outer peripheral wall of the mounting column is surrounded by a first matching part, one of the first sealing part and the first matching part is a first annular rib, and the other is a first annular groove, the first annular rib is sealed and embedded in the first annular groove; the switch body is provided on the base and located in the waterproof cavity.

[0005] According to the waterproof back door switch structure of the embodiment of the utility model, at least the following beneficial effects are achieved: the sealing sleeve is sleeved on the outer peripheral wall of the mounting column through the sleeve hole, and the sealing sleeve is fixed to the mounting column of the base through the first annular rib and the first annular groove, thereby saving fixing parts and making the structure of the waterproof back door switch structure simpler. In addition, the first annular rib and the first annular groove can also improve the waterproof effect between the sealing sleeve and the base, thereby improving the waterproof effect of the back door waterproof switch.

[0006] According to some embodiments of the present utility model, the sealing sleeve is an elastic member, the sealing sleeve is provided with a deformation portion opposite to the waterproof cavity, and the switch body is provided with a pressing portion facing the deformation portion.

[0007] According to some embodiments of the utility model, a receiving groove is provided at the end of the mounting column, the notch of the receiving groove is located at the end surface of the mounting column, the switch body is located in the receiving groove, and the sealing sleeve and the receiving groove enclose the waterproof cavity.

[0008] According to some embodiments of the utility model, a second annular rib is provided on the end surface of the mounting column or the bottom wall of the sleeve hole surrounding the waterproof cavity, and the end surface of the mounting column and the bottom wall of the sleeve hole are sealed and abutted via the second annular rib.

[0009] According to some embodiments of the utility model, a slot wall of the accommodating slot is provided with an inserting portion, the inserting portion extends along the depth direction of the accommodating slot, and a plug-in fitting portion is provided on the outer side of the switch body, and the inserting portion is interference fit with the plug-in fitting portion.

[0010] According to some embodiments of the utility model, the accommodating groove is a through groove, and a sealant is provided at one end of the accommodating groove away from the deformation portion; the waterproof tailgate switch structure also includes a connecting wire and a plug-in terminal, one end of the connecting wire is electrically connected to the switch body, the connecting wire is passed through the sealant, and the plug-in terminal is connected to the other end of the connecting wire.

[0011] According to some embodiments of the utility model, a button is further included, which is slidably disposed on the base and can press the pressing portion of the switch body through the deformation portion of the sealing sleeve, and the button is exposed on the base.

[0012] According to some embodiments of the utility model, the base is provided with a guide hole, the button is slidably arranged in the guide hole, the button is opposite to the pressing portion along the sliding direction, the outer periphery of the button is provided with a guide portion, the hole wall of the guide hole is provided with a guide matching portion, one of the guide portions is a guide strip extending along the hole axis direction of the guide hole, and the other is a guide groove, and the guide strip is slidably connected to the guide groove.

[0013] According to some embodiments of the utility model, the base includes a switch bracket and a shell, the mounting column is arranged on the switch bracket, the shell is provided with a mounting groove, the switch bracket is inserted into the mounting groove, and the switch bracket is snap-fitted with the shell.

[0014] According to some embodiments of the utility model, a pressure ring and an elastic arm are provided on the periphery of the base, the elastic arm is located on one side of the pressure ring, and a plate limiting groove is formed between the free end of the elastic arm and the pressure ring.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 A three-dimensional schematic diagram of a waterproof back door switch structure according to an embodiment of the utility model;

[0018] Figure 2 It is a cross-sectional schematic diagram of the waterproof back door switch structure of an embodiment of the utility model;

[0019] Figure 3 This is an exploded schematic diagram of the waterproof back door switch structure of an embodiment of the utility model;

[0020] Figure 4 A three-dimensional schematic diagram of a housing of an embodiment of the utility model;

[0021] Figure 5 A three-dimensional schematic diagram of a switch bracket according to an embodiment of the utility model;

[0022] Figure 6 It is a three-dimensional schematic diagram of a switch bracket according to an embodiment of the utility model.

[0023] Reference numerals:

[0024] Base 100, switch bracket 110, mounting column 111, first annular groove 112, accommodating groove 113, second annular rib 114, plug-in portion 115, housing 120, guide hole 121, guide groove 122, mounting groove 123, pressing ring 124, elastic arm 125, plate limiting groove 126, top pressing block 127;

[0025] Sealing sleeve 200, deformation portion 210, sleeve hole 220, first annular rib 230;

[0026] Waterproof cavity 300;

[0027] Switch body 400, pressing portion 410, circuit board 420;

[0028] Sealant 500;

[0029] Connecting wire 600;

[0030] Plug terminal 700;

[0031] Button 800, guide bar 810;

[0032] Elastic sealing ring 900. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0034] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0036] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0037] Reference Figures 1 to 6 , is a waterproof back door switch structure of an embodiment of the utility model, comprising a base 100, a sealing sleeve 200 and a switch body 400. The base 100 is provided with a mounting column 111; the sealing sleeve 200 is sleeved on the end of the mounting column 111 and encloses the mounting column 111 to form a waterproof cavity 300, the sealing sleeve 200 is provided with a sleeve hole 220, the hole wall of the sleeve hole 220 abuts against the outer peripheral wall of the mounting column 111, the hole wall of the sleeve hole 220 is surrounded by a first sealing portion, the outer peripheral wall of the mounting column 111 is surrounded by a first matching portion, one of the first sealing portion and the first matching portion is a first annular rib 230, and the other is a first annular groove 112, the first annular rib 230 is sealed and embedded in the first annular groove 112; the switch body 400 is provided on the base 100 and is located in the waterproof cavity 300.

[0038] The sealing sleeve 200 is sleeved on the outer peripheral wall of the mounting column 111 through the sleeve hole 220, and the sealing sleeve 200 is fixed to the mounting column 111 of the base 100 through the first annular rib 230 and the first annular groove 112, thereby saving fixing parts and making the structure of the waterproof back door switch structure simpler. In addition, the first annular rib 230 and the first annular groove 112 can also improve the waterproof effect between the sealing sleeve 200 and the base 100, thereby improving the waterproof effect of the back door waterproof switch.

[0039] In the embodiment, the sealing sleeve 200 is an elastic member, the sealing sleeve 200 is provided with a deformation portion 210 opposite to the waterproof cavity 300, and the switch body 400 is provided with a pressing portion 410 facing the deformation portion 210. The waterproof back door switch structure is installed on the back door of the car for use, and the deformation portion 210 can be pressed to the pressing portion 410 of the switch body 400 when it is pressed to open the back door of the car. The sealing sleeve 200 is an elastic member as a whole, which facilitates the assembly of the sealing sleeve 200 and the base 100 and the waterproof effect.

[0040] Specifically, the first sealing portion provided at the sleeve hole 220 of the sealing sleeve 200 is the first annular rib 230, and the first matching portion provided around the outer peripheral wall of the mounting column 111 is the first annular groove 112. The first annular rib 230 and the first annular groove 112 are interference-fitted to achieve a sealed embedding of the two, which facilitates the structural processing and molding of the sealing sleeve 200 and the mounting column 111. It is conceivable that in other embodiments, the first sealing portion may also be the first annular groove 112 provided around the sleeve hole 220, and in this case, the first matching portion is the first annular rib 230 provided around the outer peripheral wall of the mounting column 111, which can also achieve a similar effect.

[0041] Specifically, the deformation part 210 is a thin sheet of the sealing sleeve 200, and the deformation part 210 is in an arcuate shape, which improves the elastic deformation performance of the deformation part 210. It is understandable that the deformation part 210 can also be in other shapes, such as a flat plate shape.

[0042] In the embodiment, a receiving groove 113 is provided at the end of the mounting column 111, the notch of the receiving groove 113 is located at the end surface of the mounting column 111, the switch body 400 is located in the receiving groove 113, and the sealing sleeve 200 and the receiving groove 113 are enclosed to form a waterproof cavity 300. The switch body 400 is located in the receiving groove 113, the structural layout of the switch structure is more compact, and the receiving groove 113 can protect and install the switch body 400. It is conceivable that the switch body 400 can also be directly arranged on the end surface of the mounting column 111 in other embodiments.

[0043] In the embodiment, the end face of the mounting column 111 is provided with a second annular rib 114 around the waterproof cavity 300, and the end face of the mounting column 111 is sealed and abutted with the bottom wall of the sleeve hole 220 through the second annular rib 114. The elastic sealing sleeve 200 can achieve two reinforced seals with the outer periphery and the end face of the mounting column 111 through the first annular rib 230 and the second annular rib 114, so that the waterproof sealing effect between the protective sleeve and the base 100 is better. Specifically, the end face of the mounting column 111 is interference-fitted with the bottom wall of the sleeve hole 220 through the second annular rib 114, so that the end face of the mounting column 111 is sealed and connected with the bottom wall of the sleeve hole 220, and the end face of the mounting column 111 is also directly abutted with the bottom of the sleeve hole 220. It is conceivable that the second annular rib 114 can also be provided on the bottom wall of the sleeve hole 220, and those skilled in the art can make specific configurations according to actual needs.

[0044] Specifically, the sealing sleeve 200 can be made of elastic materials such as silicone or rubber, which can elastically open the sleeve hole 220 and then put the sealing sleeve 200 on the end of the mounting column 111; it can be understood that the sealing sleeve 200 can also be made of other elastic materials, and technical personnel in this field can configure it according to actual needs.

[0045] In the embodiment, the groove wall of the accommodating groove 113 is provided with a plug-in portion 115, and the plug-in portion 115 extends along the depth direction of the accommodating groove 113. The outer side of the switch body 400 is provided with a plug-in matching portion, and the plug-in portion 115 is interference-fitted with the plug-in matching portion. When the switch body 400 is inserted into the accommodating groove 113, the plug-in matching portion on the outer side of the switch body 400 is interference-fitted with the plug-in portion 115 of the groove wall of the accommodating groove 113, and the switch body 400 is pre-tightened and positioned, and the switch body 400 is not easy to shake. Specifically, the plug-in portion 115 is a plug-in strip, and the plug-in matching portion is a plug-in groove, and the plug-in strip is interference-plugged in the plug-in groove. It is conceivable that the plug-in portion 115 can also adopt a plug-in groove, and the plug-in matching portion adopts a plug-in groove.

[0046] In an embodiment, the groove wall of the accommodating groove 113 is provided with a plurality of plug-in strips, for example, two, three, four or more than four, and the outer side of the corresponding switch body 400 is also provided with plug-in grooves corresponding to the number of plug-in strips, so that the switch body 400 can be relatively stably plugged into the accommodating groove 113.

[0047] Specifically, the cross section of the plug strip is triangular, and the structure is simple and easy to implement. It is conceivable that the cross section of the plug strip can also be other shapes, and those skilled in the art can configure it specifically according to actual needs.

[0048] In the embodiment, the accommodating groove 113 is a through groove, and a sealant 500 is provided at one end of the accommodating groove 113 away from the deformation portion 210. The accommodating groove 113 is a through groove, which facilitates the installation of the switch body 400 into the accommodating groove 113, and the provision of the sealant 500 can be beneficial to the waterproof sealing effect of the accommodating groove 113.

[0049] In the embodiment, the waterproof tailgate switch structure further includes a connecting wire 600 and a plug-in terminal 700, one end of the connecting wire 600 is electrically connected to the switch body 400, the connecting wire 600 is inserted into the sealant 500, and the plug-in terminal 700 is connected to the other end of the connecting wire 600. The connecting wire 600 is provided, and the switch body 400, the connecting wire 600 and the plug-in terminal 700 are pre-assembled before being assembled into the waterproof tailgate switch structure. Therefore, the above structure facilitates the waterproof tailgate switch structure to be electrically connected to the control module of the automobile through the connecting wire 600 and the plug-in terminal 700. The provision of the sealant 500 makes it unnecessary to provide a clearance hole for the connecting wire 600 in the base 100, thereby reducing the difficulty of assembling the waterproof tailgate switch structure.

[0050] Specifically, the sealant 500 is epoxy resin, which is poured into one end of the receiving groove 113 and then cured. It is conceivable that the sealant 500 can also be a sealant 500 of other materials, such as phenolic resin, silicone rubber, etc.

[0051] In the embodiment, the switch body 400 includes a circuit board 420 and a micro switch, the micro switch is arranged on the circuit board 420, and the micro switch forms a pressing portion 410. The pressing portion 410 is formed by the micro switch, providing a pressing feel and function, and cooperates with the circuit board 420 to control the opening of the car's back door, which has a simple structure and is easy to implement. Specifically, the micro switch is a micro switch that meets IP67, which further improves the waterproof performance of the waterproof back door switch structure.

[0052] It is conceivable that the switch body 400 may also be other types of push-type switches, and those skilled in the art may configure the switch body 400 according to actual needs.

[0053] In the embodiment, the waterproof back door switch structure further includes a button 800, which is slidably disposed on the base 100 and can press the pressing portion 410 of the switch body 400 through the deformable portion 210 of the sealing sleeve 200, and the button 800 is exposed from the base 100. By providing the exposed button 800, the user can press the pressing portion 410 of the switch body 400 through the sealing sleeve 200 by pressing the button 800, which is relatively convenient to use.

[0054] In the embodiment, the base 100 is provided with a guide hole 121, the button 800 is slidably disposed in the guide hole 121, the button 800 is opposite to the pressing portion 410 along the sliding direction, a guide portion is provided on the periphery of the button 800, and a guide matching portion is provided on the hole wall of the guide hole 121, the guide portion is a guide bar 810 extending along the hole axis direction of the guide hole 121, the guide matching portion is a guide groove 122, and the guide bar 810 is slidably connected to the guide groove 122. The button 800 is slidably connected to the guide hole 121, and the guide bar 810 is provided to match the guide groove 122, so that the sliding track of the button 800 is more stable, and the button 800 will not rotate relative to the base 100.

[0055] It is conceivable that in other embodiments, the guide portion may be the guide groove 122 and the guide matching portion may be the guide strip 810 , and those skilled in the art may make specific configurations according to actual needs.

[0056] In the embodiment, the base 100 includes a switch bracket 110 and a housing 120, the mounting column 111 is arranged on the switch bracket 110, the housing 120 is provided with a mounting groove 123, the switch bracket 110 is inserted into the mounting groove 123, and the switch bracket 110 is engaged with the housing 120. The base 100 adopts a structure in which the housing 120 and the switch bracket 110 are assembled, the switch body 400 and the sealing sleeve 200 can be assembled to the switch bracket 110 first, and the button 800 can be assembled into the housing 120, and then the switch bracket 110 and the housing 120 are assembled together to form the base 100, which is convenient for processing and forming the housing 120 and the switch bracket 110, and reduces the difficulty of processing and assembly. Specifically, the side wall of the mounting groove 123 is provided with a card slot, and the outer side of the switch bracket 110 is provided with a card hook. When the switch bracket 110 is inserted into the mounting groove 123, the card hook cooperates with the card slot, so that the housing 120 and the switch bracket 110 are engaged. It is conceivable that a card slot may be provided on the outside of the switch bracket 110, and a card hook may be provided on the inside of the mounting slot 123. It is conceivable that in other embodiments, the base 100 may also be an integrally formed structure, that is, the switch bracket 110 and the housing 120 are an integrally formed structure.

[0057] In the embodiment, a pressing ring 124 and an elastic arm 125 are provided on the periphery of the base 100. The elastic arm 125 is located on one side of the pressing ring 124. A plate body limiting groove 126 is formed between the free end of the elastic arm 125 and the pressing ring 124. A mounting hole is provided on the sheet metal of the car back door. When the switch structure is installed in the mounting hole, the sheet metal of the mounting hole presses against the elastic arm 125, so that the elastic arm 125 is elastically deformed, allowing the sheet metal of the car back door to enter the plate body limiting groove 126. At this time, the elastic arm 125 is reset to limit the sheet metal of the car back door in the plate body limiting groove 126. The waterproof switch structure can be directly inserted into the mounting hole of the car back door to complete the installation, which is convenient to install.

[0058] Specifically, a plurality of elastic arms 125 are arranged around the outer periphery of the base 100, so that the installation of the waterproof switch structure is more secure.

[0059] In the embodiment, an elastic sealing ring 900 is provided on one side of the pressure ring 124 close to the elastic arm 125, and a third ring rib is provided on one side of the elastic sealing ring 900 away from the pressure ring 124. After the waterproof switch structure is installed on the rear door of the car, the elastic sealing ring 900 can abut against the sheet metal of the rear door of the car, and the third ring rib further improves the waterproof sealing effect between the waterproof switch structure and the rear door of the car and plays a role in reducing the vibration transmitted to the waterproof switch structure.

[0060] Specifically, the base 100 is provided with a pressing block 127 , and the pressing block 127 and the pressing ring 124 clamp the limiting elastic sealing ring 900 .

[0061] In the embodiment, the housing 120 is provided with a guide tube portion, which forms a guide hole 121, the cross section of the mounting groove 123 is larger than the cross section of the guide hole 121, and the periphery of the outer end opening of the guide hole 121 is provided with a limit portion for stopping the stroke of the button 800, and the periphery of the inner end opening of the guide hole 121 abuts against the sealing sleeve 200. In the above structure, the button 800 is first installed in the guide hole 121, and then the switch bracket 110 is installed in the mounting groove 123. The switch bracket 110 and the limit portion are used to limit the two ends of the moving stroke range of the button 800, thereby simplifying the structure of the switch structure.

[0062] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0063] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A waterproof back door switch structure, characterized in that: include: A base (100) is provided with a mounting column (111); A sealing sleeve (200) is sleeved on the end of the mounting column (111) and enclosed with the mounting column (111) to form a waterproof cavity (300); the sealing sleeve (200) is provided with a sleeve hole (220); the hole wall of the sleeve hole (220) abuts against the outer peripheral wall of the mounting column (111); a first sealing portion is arranged around the hole wall of the sleeve hole (220); a first matching portion is arranged around the outer peripheral wall of the mounting column (111); one of the first sealing portion and the first matching portion is a first annular rib (230), and the other is a first annular groove (112); the first annular rib (230) is sealingly embedded in the first annular groove (112); The switch body (400) is arranged on the base (100) and is located in the waterproof cavity (300).

2. The waterproof back door switch structure according to claim 1, characterized in that: The sealing sleeve (200) is an elastic member, the sealing sleeve (200) is provided with a deformation portion (210) opposite to the waterproof cavity (300), and the switch body (400) is provided with a pressing portion (410) facing the deformation portion (210).

3. The waterproof back door switch structure according to claim 2, characterized in that: The end of the mounting column (111) is provided with a receiving groove (113), the notch of the receiving groove (113) is located on the end surface of the mounting column (111), the switch body (400) is located in the receiving groove (113), and the sealing sleeve (200) and the receiving groove (113) are enclosed to form the waterproof cavity (300).

4. The waterproof back door switch structure according to claim 1 or 3, characterized in that: The end surface of the mounting column (111) or the bottom wall of the sleeve hole (220) is provided with a second annular rib (114) surrounding the waterproof cavity (300), and the end surface of the mounting column (111) and the bottom wall of the sleeve hole (220) are sealed and abutted via the second annular rib (114).

5. The waterproof back door switch structure according to claim 3, characterized in that: The groove wall of the accommodating groove (113) is provided with an inserting portion (115), the inserting portion (115) extends along the depth direction of the accommodating groove (113), and the outer side of the switch body (400) is provided with an inserting fitting portion, the inserting portion (115) is interference-fitted with the inserting fitting portion.

6. The waterproof back door switch structure according to claim 3, characterized in that: The accommodating groove (113) is a through groove, and a sealant (500) is arranged at one end of the accommodating groove (113) away from the deformable portion (210); the waterproof back door switch structure also includes a connecting wire (600) and a plug-in terminal (700), one end of the connecting wire (600) is electrically connected to the switch body (400), the connecting wire (600) is passed through the sealant (500), and the plug-in terminal (700) is connected to the other end of the connecting wire (600).

7. The waterproof back door switch structure according to claim 2, characterized in that: The invention also comprises a button (800), wherein the button (800) is slidably disposed on the base (100) and can press the pressing portion (410) of the switch body (400) through the deformable portion (210) of the sealing sleeve (200), and the button (800) is exposed on the base (100).

8. The waterproof back door switch structure according to claim 7, characterized in that: The base (100) is provided with a guide hole (121), the button (800) is slidably arranged in the guide hole (121), the button (800) is opposite to the pressing portion (410) along the sliding direction, the outer periphery of the button (800) is provided with a guide portion, the hole wall of the guide hole (121) is provided with a guide matching portion, one of the guide portions is a guide strip (810) extending along the hole axis direction of the guide hole (121), and the other is a guide groove (122), and the guide strip (810) is slidably connected to the guide groove (122).

9. The waterproof back door switch structure according to claim 1 or 7, characterized in that: The base (100) comprises a switch bracket (110) and a housing (120); the mounting column (111) is arranged on the switch bracket (110); the housing (120) is provided with a mounting groove (123); the switch bracket (110) is inserted into the mounting groove (123); and the switch bracket (110) and the housing (120) are snap-fitted.

10. The waterproof back door switch structure according to claim 1, characterized in that: A pressure ring (124) and an elastic arm (125) are provided on the outer periphery of the base (100); the elastic arm (125) is located on one side of the pressure ring (124); and a plate limiting groove (126) is formed between the free end of the elastic arm (125) and the pressure ring (124).

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