Waterproof ventilation structure and starter

Abstract

The embodiment of the invention provides a waterproof ventilation structure and a starter, and relates to the technical field of waterproof ventilation of the starter.The waterproof ventilation structure is provided with a shell and a waterproof ventilation assembly, the shell is provided with a mounting through hole, a limiting step is arranged in the mounting through hole, and the waterproof ventilation assembly comprises a flexible sleeve and a waterproof ventilation film; the flexible sleeve is detachably arranged in the mounting through hole, and the flexible sleeve is matched with the limiting step to clamp the waterproof breathable film. The shell and the waterproof ventilation assembly form a waterproof ventilation structure, when the starter, namely to-be-protected equipment works in a high-humidity environment, the sealed waterproof ventilation structure effectively prevents external moisture from entering the interior, generation of condensate water is greatly reduced, and when the external moisture is prevented from entering the interior, the service life of the starter is prolonged. The waterproof breathable film clamped between the flexible sleeve and the limiting step can ensure the smoothness of gas flowing, internal hot air is exhausted in time, and the waterproof and breathable functions are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of waterproof and breathable starter, and in particular to a waterproof and breathable structure and a starter. Background Art

[0002] The starters of equipment working in industrial sites with high humidity, as well as vehicles and ships working outdoors, may be exposed to humid air for a long time, or even rain for a long time. Therefore, more and more starters are designed and developed to IPX7 protection level to meet the waterproof requirements of starters.

[0003] However, the starter will generate a lot of heat during operation. Especially when the vehicle is off the assembly line, the operator will use the starter to tow or exhaust. At this time, the starter is in a long working process, which will inevitably generate heat and need to be discharged in time. If the heat inside the starter cannot be dissipated in time, the temperature inside the starter will continue to rise. Excessive temperature will have adverse effects on various components of the starter, and ultimately affect the service life and reliability of the starter.

[0004] Therefore, it is necessary to develop a waterproof and breathable structure for the starter, taking into account the waterproof and breathable functional requirements of the starter. Summary of the invention

[0005] The embodiments of the present invention provide a waterproof and breathable structure and a starter to solve the technical problem in the related art that the existing starter is difficult to meet the requirements of both waterproof and breathable functions.

[0006] In a first aspect, an embodiment of the present invention provides a waterproof and breathable structure, which includes a shell of a device to be protected and a waterproof and breathable component, the shell is provided with a mounting through hole, a limiting step is provided in the mounting through hole, the waterproof and breathable component includes a flexible sleeve and a waterproof and breathable membrane, the flexible sleeve is detachably arranged in the mounting through hole, and the flexible sleeve cooperates with the limiting step to clamp the waterproof and breathable membrane.

[0007] In some embodiments, the mounting through hole includes: a first circular hole, a second circular hole, and a third circular hole that are connected in sequence;

[0008] The first circular hole is connected to the internal cavity of the equipment to be protected, the third circular hole is connected to the outside, the inner diameter of the second circular hole is smaller than the inner diameter of the third circular hole to form the limiting step, and the flexible sleeve is arranged in the third circular hole and its size is adapted to the third circular hole.

[0009] In some embodiments, the waterproof breathable membrane comprises: a membrane body and an adhesive coating;

[0010] The adhesive coating is applied to the annular portion of the membrane body that is in contact with the second circular hole.

[0011] In some embodiments, the flexible sleeve comprises: a sleeve body and a plurality of reinforcing ribs;

[0012] Each of the reinforcing ribs is arranged around the outer circumference of the sleeve body, and a plurality of the reinforcing ribs are arranged at even intervals.

[0013] In some embodiments, the number of the reinforcing ribs is three.

[0014] In some embodiments, it is further provided that: the flexible sleeve is a structure with an outer diameter extending from the inside to the outside of the device to be protected.

[0015] In some embodiments, the waterproof breathable component further comprises:

[0016] A supporting net is attached to the outer side of the waterproof breathable membrane.

[0017] In some embodiments, the flexible sleeve is made of rubber.

[0018] In some embodiments, the waterproof and breathable membrane is made of polytetrafluoroethylene.

[0019] In a second aspect, an embodiment of the present invention provides a starter, comprising the aforementioned waterproof and breathable structure.

[0020] The beneficial effects brought about by the technical solution provided by the present invention include:

[0021] The embodiment of the present invention provides a waterproof and breathable structure and a starter, wherein the waterproof and breathable structure is provided with a shell and a waterproof and breathable component, wherein the shell is provided with a mounting through hole, wherein a limiting step is provided in the mounting through hole, wherein the waterproof and breathable component comprises a flexible sleeve and a waterproof and breathable membrane, wherein the flexible sleeve is detachably provided in the mounting through hole, and wherein the flexible sleeve cooperates with the limiting step to clamp the waterproof and breathable membrane. The shell and the waterproof and breathable component provided in the present invention form a waterproof and breathable structure, wherein when the starter, i.e., the equipment to be protected, works in an environment with high humidity, the sealed waterproof and breathable structure effectively prevents external moisture from entering the interior, and greatly reduces the generation of condensed water, while preventing external moisture from entering the interior, the waterproof and breathable membrane clamped between the flexible sleeve and the limiting step can ensure the smoothness of gas flow, discharge the internal heat in time, and realize the waterproof and breathable function. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 An overall schematic diagram of a waterproof and breathable structure provided by an embodiment of the present invention;

[0024] Figure 2 A partial schematic diagram of a waterproof and breathable structure provided by an embodiment of the present invention;

[0025] Reference numerals:

[0026] 1. housing; 11. mounting through hole; 111. limiting step; 112. first circular hole; 113. second circular hole; 114. third circular hole;

[0027] 2. Waterproof and breathable component; 21. Flexible casing; 211. Casing body; 212. Reinforcing ribs; 22. Waterproof and breathable membrane; 221. Membrane body. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] The embodiments of the present invention provide a waterproof and breathable structure and a starter, which can solve the technical problem in the related art that the existing starter is difficult to meet the requirements of both waterproof and breathable functions.

[0030] See also Figure 1 As shown, an embodiment of the present invention provides a waterproof and breathable structure, which is provided with a shell 1 and a waterproof and breathable component 2.

[0031] The housing 1 is provided with a mounting through hole 11, a limiting step 111 is provided in the mounting through hole 11, and the waterproof breathable component 2 is provided with a flexible sleeve 21 and a waterproof breathable membrane 22. The flexible sleeve 21 is detachably provided in the mounting through hole 11, and the flexible sleeve 21 cooperates with the limiting step 111 to clamp the waterproof breathable membrane 22. The housing 1 and the waterproof breathable component 2 provided in the present invention form a waterproof breathable structure. When the starter, i.e., the equipment to be protected, works in an environment with high humidity, the sealed waterproof breathable structure effectively prevents external moisture from entering the interior, greatly reducing the generation of condensed water. While preventing external moisture from entering the interior, the waterproof breathable membrane 22 clamped between the flexible sleeve 21 and the limiting step 111 can ensure the smoothness of gas flow, discharge the internal heat in time, and realize the waterproof breathable function.

[0032] The embodiment of the present invention provides a waterproof and breathable structure, which is provided with a flexible sleeve and a waterproof and breathable membrane. The flexible sleeve is detachably arranged in the installation through hole, and the flexible sleeve cooperates with the limiting step to clamp the waterproof and breathable membrane. The housing and the waterproof and breathable assembly provided in the present invention form a waterproof and breathable structure. When the starter, i.e., the equipment to be protected, works in an environment with high humidity, the sealed waterproof and breathable structure effectively prevents external moisture from entering the interior, greatly reducing the generation of condensed water. While preventing external moisture from entering the interior, the waterproof and breathable membrane clamped between the flexible sleeve and the limiting step can ensure the smoothness of gas flow, discharge the internal heat in time, and realize the waterproof and breathable function.

[0033] As an optional implementation, in an embodiment of the invention, see Figure 1 and Figure 2 As shown, the mounting through hole 11 is provided with a first circular hole 112, a second circular hole 113 and a third circular hole 114 which are connected in sequence, the first circular hole 112 is connected to the internal cavity of the equipment to be protected, the third circular hole 114 is connected to the outside, the inner diameter of the second circular hole 113 is smaller than the inner diameter of the third circular hole 114 to form the limiting step 111, and the flexible sleeve 21 is arranged in the third circular hole 114 and its size is adapted to the third circular hole 114. The first circular hole 112, the second circular hole 113 and the third circular hole 114 in the present invention are connected in sequence, the inner diameter of the second circular hole 113 is smaller than the inner diameter of the third circular hole 114 to form the limiting step 111 for fixing the waterproof breathable membrane 22, the first circular hole 112, the second circular hole 113 and the third circular hole 114 are connected to form the installation through hole 11 as a ventilation channel to guide the flow direction of the gas so that the hot air inside the protected equipment can be discharged smoothly and the external air can enter, and the installation through hole 11 formed by the first circular hole 112, the second circular hole 113 and the third circular hole 114 ensures the smoothness and efficiency of the gas flow while facilitating the installation of the waterproof breathable component 2.

[0034] As an optional implementation, in an embodiment of the invention, see Figure 1 As shown, the waterproof breathable membrane 22 is provided with a membrane body 221 and an adhesive coating, wherein the adhesive coating is coated on the annular portion of the membrane body 221 that fits with the second circular hole 113, and the adhesive coating is an annular coating layer having the same shape as the annular portion, and the adhesive coating is used to ensure that the membrane body 221 fits tightly with the second circular hole 113 to prevent external moisture from entering the interior, thereby ensuring the stability of the waterproof and breathable function of the waterproof and breathable structure.

[0035] As an optional implementation, in an embodiment of the invention, see Figure 1As shown, the flexible sleeve 21 is provided with a sleeve body 211 and a plurality of reinforcing ribs 212, each of the reinforcing ribs 212 is arranged around the outer circumference of the sleeve body 211, and the plurality of reinforcing ribs 212 are arranged evenly spaced. The outer end of the sleeve body 211 in the embodiment of the present invention is flush with the outer end of the third circular hole 114, and the reinforcing ribs 212 on the outer circumference of the sleeve body 211 will form an interference fit with the third circular hole 114 to prevent the sleeve body 211 from coming out, thereby ensuring the stability of the sleeve body 211 and the mounting through hole 11.

[0036] As an optional implementation, in an embodiment of the invention, see Figure 1 As shown, there are three reinforcing ribs 212 , and the three reinforcing ribs 212 on the outer periphery of the sleeve body 211 will form an interference fit with the third circular hole 114 to prevent the sleeve body 211 from slipping out and ensure the stability of the sleeve body 211 and the mounting through hole 11 .

[0037] As an optional implementation, in an embodiment of the invention, see Figure 1 As shown, the flexible sleeve 21 is also provided with a structure in which the outer diameter is expanded from the inside to the outside of the equipment to be protected, the inner diameter of the outer end of the third circular hole 114 is larger than the diameter of the end of the flexible sleeve 21 connected to the waterproof breathable membrane 22, and the inner diameter of the outer end of the third circular hole 114 is smaller than the diameter of the end of the flexible sleeve 21 away from the waterproof breathable membrane 22, so as to further prevent the flexible sleeve 21 from loosening and falling off, and the outer diameter of the flexible sleeve 21 is gradually increased from the inside to the outside of the equipment to be protected, so as to facilitate installation.

[0038] As an optional implementation, in one embodiment of the invention, the waterproof breathable component 2 is further provided with a support net, and the support net is attached to the outer side of the waterproof breathable membrane 22. In the embodiment of the present invention, a support net is provided on the outer side of the waterproof breathable membrane 22, and the support net provides physical support for the waterproof breathable membrane 22 to prevent the waterproof breathable membrane 22 from breaking or deforming when subjected to external force. The support net is made of a material with certain flexibility and strength, such as a high molecular polymer material. When the hot air inside the protected equipment is discharged, the waterproof breathable membrane 22 is not easily deformed under the support of the support net. The support net provides physical support to the waterproof breathable membrane 22 without affecting the air permeability of the waterproof breathable membrane 22, thereby ensuring the stability of the air permeability function of the waterproof breathable structure.

[0039] As an optional implementation, in an embodiment of the invention, the flexible sleeve 21 is made of rubber material, and the rubber material is a flexible material, which is convenient for installation inside the third circular hole 114, and the flexible sleeve 21 made of rubber material forms a tightly fitting structure with the installation through hole 11, thereby improving the waterproof and breathable performance of the waterproof and breathable structure.

[0040] As an optional implementation, in one embodiment of the invention, the waterproof and breathable membrane 22 is made of polytetrafluoroethylene. The polytetrafluoroethylene material is soft, strong, and elastic. The pore size of the polytetrafluoroethylene is 700 times larger than that of water vapor. It is waterproof and allows air to pass smoothly. It can effectively dissipate heat, prevent fogging on the inner wall of the product, and balance the air pressure inside and outside the space.

[0041] The embodiment of the present invention further provides a starter, which includes the aforementioned waterproof and breathable structure, and the waterproof and breathable structure is provided with a shell 1 and a waterproof and breathable component 2. The shell 1 is provided with a mounting through hole 11, and a limiting step 111 is provided in the mounting through hole 11. The waterproof and breathable component 2 is provided with a flexible sleeve 21 and a waterproof and breathable membrane 22. The flexible sleeve 21 is detachably arranged in the mounting through hole 11, and the flexible sleeve 21 cooperates with the limiting step 111 to clamp the waterproof and breathable membrane 22. The shell 1 and the waterproof and breathable component 2 provided in the present invention form a waterproof and breathable structure. When the starter, i.e., the equipment to be protected, works in an environment with high humidity, the sealed waterproof and breathable structure effectively prevents external moisture from entering the interior, greatly reducing the generation of condensed water. While preventing external moisture from entering the interior, the waterproof and breathable membrane 22 clamped between the flexible sleeve 21 and the limiting step 111 can ensure the smoothness of gas flow, discharge the internal heat in time, and realize the waterproof and breathable function.

[0042] The embodiment of the present invention provides a starter, wherein the waterproof and breathable structure of the starter is provided with a flexible sleeve and a waterproof and breathable membrane, wherein the flexible sleeve is detachably provided in the installation through hole, and the flexible sleeve cooperates with the limiting step to clamp the waterproof and breathable membrane. The housing and the waterproof and breathable assembly provided in the present invention form a waterproof and breathable structure, and when the starter, i.e., the equipment to be protected, works in an environment with high humidity, the sealed waterproof and breathable structure effectively prevents external moisture from entering the interior, greatly reducing the generation of condensed water, and while preventing external moisture from entering the interior, the waterproof and breathable membrane clamped between the flexible sleeve and the limiting step can ensure the smoothness of gas flow, discharge the internal heat in time, and realize the waterproof and breathable function.

[0043] As an optional implementation, in an embodiment of the invention, see Figure 1 and Figure 2As shown, the mounting through hole 11 is provided with a first circular hole 112, a second circular hole 113 and a third circular hole 114 which are connected in sequence, the first circular hole 112 is connected to the internal cavity of the equipment to be protected, the third circular hole 114 is connected to the outside, the inner diameter of the second circular hole 113 is smaller than the inner diameter of the third circular hole 114 to form the limiting step 111, and the flexible sleeve 21 is arranged in the third circular hole 114 and its size is adapted to the third circular hole 114. The first circular hole 112, the second circular hole 113 and the third circular hole 114 in the present invention are connected in sequence, the inner diameter of the second circular hole 113 is smaller than the inner diameter of the third circular hole 114 to form the limiting step 111 for fixing the waterproof breathable membrane 22, the first circular hole 112, the second circular hole 113 and the third circular hole 114 are connected to form the installation through hole 11 as a ventilation channel to guide the flow direction of the gas so that the hot air inside the protected equipment can be discharged smoothly and the external air can enter, and the installation through hole 11 formed by the first circular hole 112, the second circular hole 113 and the third circular hole 114 ensures the smoothness and efficiency of the gas flow while facilitating the installation of the waterproof breathable component 2.

[0044] As an optional implementation, in an embodiment of the invention, see Figure 1 As shown, the waterproof and breathable membrane 22 is provided with a membrane body 221 and an adhesive coating. The adhesive coating is coated on the annular portion of the membrane body 221 that fits with the second circular hole 113. The adhesive coating is an annular coating layer with the same shape as the annular portion. The adhesive coating is used to ensure that the membrane body 221 fits tightly with the second circular hole 113 to prevent external moisture from entering the interior, thereby ensuring the stability of the waterproof and breathable function of the starter.

[0045] As an optional implementation, in an embodiment of the invention, see Figure 1 As shown, the flexible sleeve 21 is provided with a sleeve body 211 and a plurality of reinforcing ribs 212, each of the reinforcing ribs 212 is arranged around the outer circumference of the sleeve body 211, and the plurality of reinforcing ribs 212 are arranged evenly spaced. The outer end of the sleeve body 211 in the embodiment of the present invention is flush with the outer end of the third circular hole 114, and the plurality of reinforcing ribs 212 arranged around the outer surface of the sleeve body 211 form an interference fit with the third circular hole 114 to prevent the sleeve body 211 from falling out, thereby ensuring the stability of the sleeve body 211 and the mounting through hole 11.

[0046] As an optional implementation, in an embodiment of the invention, see Figure 1As shown, there are three reinforcing ribs 212 , and the three reinforcing ribs 212 arranged around the outer surface of the sleeve body 211 form an interference fit with the third circular hole 114 to prevent the sleeve body 211 from falling out and ensure the stability of the sleeve body 211 and the mounting through hole 11.

[0047] As an optional implementation, in an embodiment of the invention, see Figure 1 As shown, the flexible sleeve 21 is also provided with a structure in which the outer diameter is expanded from the inside to the outside of the equipment to be protected, the inner diameter of the outer end of the third circular hole 114 is larger than the diameter of the end of the flexible sleeve 21 connected to the waterproof breathable membrane 22, and the inner diameter of the outer end of the third circular hole 114 is smaller than the diameter of the end of the flexible sleeve 21 away from the waterproof breathable membrane 22, so as to further prevent the flexible sleeve 21 from loosening and falling off, and the outer diameter of the flexible sleeve 21 is gradually increased from the inside to the outside of the equipment to be protected, so as to facilitate installation.

[0048] As an optional implementation, in one embodiment of the invention, the waterproof breathable component 2 is further provided with a support net, and the support net is attached to the outer side of the waterproof breathable membrane 22. In the embodiment of the present invention, a support net is provided on the outer side of the waterproof breathable membrane 22, and the support net provides physical support for the waterproof breathable membrane 22 to prevent the waterproof breathable membrane 22 from breaking or deforming when subjected to external force. The support net is made of a material with certain flexibility and strength, such as a high molecular polymer material. When the hot air inside the protected equipment is discharged, the waterproof breathable membrane 22 is not easily deformed under the support of the support net. The support net provides physical support to the waterproof breathable membrane 22 without affecting the air permeability of the waterproof breathable membrane 22, thereby ensuring the stability of the ventilation function of the starter.

[0049] As an optional implementation, in an embodiment of the invention, the flexible sleeve 21 is made of rubber material, and the rubber material is a flexible material, which is convenient for installation inside the third circular hole 114, and the flexible sleeve 21 made of rubber material forms a tightly fitting structure with the installation through hole 11, thereby improving the waterproof and breathable performance of the starter.

[0050] As an optional implementation, in one embodiment of the invention, the waterproof and breathable membrane 22 is made of polytetrafluoroethylene. The polytetrafluoroethylene material is soft, strong, and elastic. The pore size of the polytetrafluoroethylene is 700 times larger than that of water vapor. It is waterproof and allows air to pass smoothly. It can effectively dissipate heat, prevent fogging on the inner wall of the product, and balance the air pressure inside and outside the space.

[0051] In the description of the present invention, it should be noted that the terms "upper", "lower", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying 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 position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0052] It should be noted that, in the present invention, relational 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 these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0053] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features of the present invention.

Claims

1. A waterproof and breathable structure, characterized in that: include: A housing (1) of a device to be protected, the housing (1) being provided with a mounting through hole (11), and a limiting step (111) being provided in the mounting through hole (11); A waterproof breathable component (2), the waterproof breathable component (2) comprising a flexible sleeve (21) and a waterproof breathable membrane (22), the flexible sleeve (21) being detachably arranged in the mounting through hole (11), the flexible sleeve (21) cooperating with the limiting step (111) to clamp the waterproof breathable membrane (22).

2. A waterproof and breathable structure according to claim 1, characterized in that: The mounting through hole (11) comprises: a first circular hole (112), a second circular hole (113) and a third circular hole (114) which are connected in sequence; The first circular hole (112) is connected to the internal cavity of the equipment to be protected, and the third circular hole (114) is connected to the outside. The inner diameter of the second circular hole (113) is smaller than the inner diameter of the third circular hole (114) to form the limiting step (111), and the flexible sleeve (21) is arranged in the third circular hole (114) and its size is adapted to the third circular hole (114).

3. A waterproof and breathable structure according to claim 2, characterized in that: The waterproof breathable membrane (22) comprises: a membrane body (221) and an adhesive coating; The adhesive coating is applied to the annular portion of the membrane body (221) that is in contact with the second circular hole (113).

4. A waterproof and breathable structure according to claim 2, characterized in that: The flexible sleeve (21) comprises: a sleeve body (211) and a plurality of reinforcing ribs (212); Each of the reinforcing ribs (212) is arranged around the outer circumference of the sleeve body (211), and a plurality of the reinforcing ribs (212) are arranged at even intervals.

5. A waterproof and breathable structure according to claim 4, characterized in that: The number of the reinforcing ribs (212) is three.

6. A waterproof and breathable structure according to claim 1, characterized in that: It is also provided that: the flexible sleeve (21) is a structure with an outer diameter expanding from the inside to the outside of the equipment to be protected.

7. A waterproof and breathable structure according to claim 1, characterized in that: The waterproof and breathable component (2) further comprises: A support net is attached to the outer side of the waterproof and breathable membrane (22).

8. The waterproof and breathable structure according to claim 1, characterized in that: The flexible sleeve (21) is made of rubber.

9. The waterproof and breathable structure according to claim 1, characterized in that: The waterproof and breathable membrane (22) is made of polytetrafluoroethylene.

10. A starter, characterized in that: A waterproof and breathable structure comprising any one of claims 1 to 9.

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