Waterproof fuse holder

Abstract

A waterproof fuse holder provided by the present invention comprises a first protection assembly, one side of the first protection assembly is provided with a second protection assembly, and the first protection assembly comprises a first shell, a first end cover, a connector, a male thread, a first installation groove, a first connection terminal and a cavity; the second protection assembly comprises a second shell, a second end cover, a second installation groove, a second connection terminal and a female thread. The device is compact in structure, small and exquisite in appearance, small in occupied space during installation and convenient to install and use in various compact environments. The shell is manufactured by adopting an integral forming process, so that the fuse holder is firm and stable in structure, and the overall durability is improved. The shells are installed in a threaded fit mode, replacement is allowed after an internal fuse is damaged, the fuse seat does not need to be integrally replaced, effective utilization of resources and cost saving are achieved, meanwhile, operation is convenient, complex operation or professional tools are not needed, and operation efficiency is improved.

Description

Technical Field

[0001] The invention relates to a fuse holder, in particular to a waterproof fuse holder, belonging to the technical field of fuse protection. Background Art

[0002] A fuse is also called a current fuse. It is a wire made of a silver-copper alloy with a relatively high resistivity and a low melting point. The fuse mainly serves as an overload protection. When the current or temperature in the circuit rises abnormally to a certain limit, the fuse will blow the fuse and cut off the current, thereby protecting the safety of the entire circuit. A fuse holder is a seat for installing a fuse and is a component used in conjunction with a fuse in a circuit.

[0003] The main function of the fuse holder is to fix the fuse and provide a good electrical connection. In some application scenarios, such as automotive circuits, outdoor electrical equipment or circuits in humid environments, the fuse holder will be affected by moisture. After the moisture penetrates into the fuse holder, it will cause the metal parts inside the fuse holder to rust or corrode, increasing the risk of short circuit. It will also affect the electrical connection between the fuse holder and the fuse, resulting in poor connection or open circuit.

[0004] Currently, small fuse holders on the market that are easy to replace fuses generally face two major challenges: first, most products are difficult to meet the IP67 waterproof and dustproof standards, which limits their application environment; second, the contact part between the terminal and the fuse is easily oxidized due to long-term exposure, affecting electrical performance and safety. At the same time, although some fuse holders can meet the IP67 waterproof and dustproof requirements, they are often large in size or require tools such as screwdrivers to complete fuse replacement, which is not convenient enough. In addition, there are fuses with an integrated molding design. Once damaged, the fuse holder needs to be replaced as a whole, which increases maintenance costs and inconvenience. For this reason, a waterproof fuse holder is proposed. Summary of the invention

[0005] In view of this, the present invention provides a waterproof fuse holder to solve or alleviate one of the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the embodiment of the present invention is implemented as follows: a waterproof fuse holder, comprising a first protective component, a second protective component is arranged on one side of the first protective component, the first protective component comprises a first shell, a first end cover, a connector, a male screw thread, a first mounting groove, a first connecting terminal and a cavity; one end of the first shell is integrally formed with a first end cover, an end of the first shell away from the first end cover is integrally formed with a connector, an outer wall of the connector is provided with a male screw thread, a first mounting groove is arranged inside the first shell, a first connecting terminal is installed on an inner wall of the first mounting groove, and a cavity is arranged inside the connector;

[0007] The second protective component includes a second shell, a second end cover, a second mounting groove, a second connecting terminal and a female screw thread; a second end cover is integrally formed at one end of the second shell, a second mounting groove is arranged inside the second end cover, a second connecting terminal is installed on the inner side wall of the second mounting groove, and a female screw thread is arranged on the inner side wall of the second shell; the fuse holder shell is made of plastic material, has excellent electrical insulation performance, can effectively prevent the conduction of current, reduce the risk of circuit short circuit, thereby ensuring the safety performance of the circuit, has high mechanical strength, can provide sufficient mechanical support and protect the components inside the fuse holder, and the plastic material has good processing performance, can be easily formed through injection molding, extrusion and other processes to produce a fuse holder shell with precise dimensions.

[0008] Further preferably, the connector is threadedly connected to the inner wall of the second shell.

[0009] Further preferably, a sealing ring is sleeved on the outer side wall of the connector, and the sealing ring is arranged between the first shell and the second shell.

[0010] Further preferably, a wire is installed at one end of the first connection terminal and the second connection terminal respectively.

[0011] Further preferably, one end of the two wires respectively passes through one side of the first end cover and the second end cover and extends to the outside.

[0012] Further preferably, a fuse is installed between the first connecting terminal and the second connecting terminal.

[0013] Further preferably, the fuse is arranged on the inner wall of the cavity.

[0014] Further preferably, the outer side walls of the first shell and the second shell are evenly and fixedly connected with anti-slip pads.

[0015] Further preferably, the first mounting groove is arranged on one side of the cavity.

[0016] Further preferably, the second mounting groove is arranged on a side of the cavity away from the first mounting groove.

[0017] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0018] 1. The present invention has a compact structure and a small appearance, occupies a small space when installed, and is easy to install and use in various compact environments.

[0019] Second, the housing of the present invention is made by an integrated molding process, which ensures that the structure of the fuse holder is firm and stable, thereby improving overall durability.

[0020] 3. The shells of the present invention are installed with threads, which allows the internal fuse to be replaced after it is damaged without replacing the fuse holder as a whole, thus achieving effective resource utilization and cost savings. At the same time, it is easy to operate and does not require complicated operations or professional tools, thereby improving operating efficiency.

[0021] Fourth, the present invention realizes a tight seal inside the fuse holder through a screw thread locking design combined with the use of an elastic sealing ring, effectively preventing foreign matter from entering, ensuring that the fuse is isolated from the air during operation, and meets the IP67 dust and water resistance grade standard. It can resist the intrusion of dust and water, is suitable for a variety of harsh environments, prolongs the service life of the fuse, reduces the replacement frequency, and reduces maintenance costs.

[0022] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a structural diagram of the present invention;

[0025] Figure 2 It is the exploded structure diagram of the present invention;

[0026] Figure 3 This is a structural diagram of the first shell of the present invention;

[0027] Figure 4 This is a diagram showing the internal structure of the first shell of the present invention;

[0028] Figure 5 This is a structural diagram of a second shell of the present invention;

[0029] Figure 6 This is a diagram showing the internal structure of the second shell of the present invention.

[0030] Figure numerals: 10, first protective component; 11, first shell; 12, first end cover; 13, connector; 14, male thread; 15, first mounting groove; 16, first connecting terminal; 17, cavity; 20, second protective component; 21, second shell; 22, second end cover; 23, second mounting groove; 24, second connecting terminal; 25, female thread; 31, wire; 32, fuse; 33, anti-slip pad; 34, sealing ring. DETAILED DESCRIPTION

[0031] The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0032] It should be clear that the following embodiments of the present disclosure are described by specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other in the absence of conflict. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present disclosure.

[0033] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein may be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present disclosure, it should be understood by those skilled in the art that an aspect described herein may be implemented independently of any other aspect, and two or more of these aspects may be combined in various ways. For example, any number of aspects described herein may be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein may be used to implement this device and / or practice this method.

[0034] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present disclosure. The drawings only show components related to the present disclosure rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0035] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects described may be practiced without these specific details.

[0036] like Figure 1-Figure 6 As shown, an embodiment of the present invention provides a waterproof fuse holder, including a first protective component 10, a second protective component 20 is arranged on one side of the first protective component 10, and the first protective component 10 includes a first shell 11, a first end cover 12, a connector 13, a male screw thread 14, a first mounting groove 15, a first connecting terminal 16 and a cavity 17; one end of the first shell 11 is integrally formed with the first end cover 12, and the end of the first shell 11 away from the first end cover 12 is integrally formed with the connector 13, the outer wall of the connector 13 is provided with the male screw thread 14, the first shell 11 is provided with a first mounting groove 15, the inner wall of the first mounting groove 15 is provided with the first connecting terminal 16, and the connector 13 is provided with a cavity 17;

[0037] The second protection component 20 includes a second shell 21, a second end cover 22, a second installation groove 23, a second connection terminal 24 and a female screw thread 25; the second shell 21 is integrally formed with the second end cover 22 at one end, the second end cover 22 is provided with a second installation groove 23 inside, the second connection terminal 24 is installed on the inner side wall of the second installation groove 23, and the inner side wall of the second shell 21 is provided with a female screw thread 25. The fuse holder shell is made of plastic material, which has excellent electrical insulation performance, can effectively prevent the conduction of current, reduce the risk of circuit short circuit, thereby ensuring the safety performance of the circuit, has high mechanical strength, can provide sufficient mechanical support and protect the components inside the fuse holder, and the plastic material has good processing performance and can be easily formed through injection molding, extrusion and other processes to produce a fuse holder shell with precise dimensions.

[0038] In this embodiment, specifically: the connector 13 is threadedly connected to the inner wall of the second housing 21, and through the screw thread locking design, combined with the use of the elastic sealing ring 34, a tight seal is achieved inside the fuse holder to effectively prevent foreign substances from entering.

[0039] In this embodiment, specifically: the outer wall sleeve of the connector 13 is provided with a sealing ring 34, and the sealing ring 34 is arranged between the first shell 11 and the second shell 21. The sealing ring 34 is made of silicone rubber material, has outstanding high and low temperature resistance and weather aging resistance, can adapt to outdoor working environment, and can maintain good sealing and performance when the fuse 32 or the terminal is heated.

[0040] In this embodiment, specifically: a wire 31 is installed at one end of the first connection terminal 16 and the second connection terminal 24 respectively, and a circuit is formed by the wire 31 to transmit electric energy from one position to another position.

[0041] In this embodiment, specifically: one end of the two wires 31 passes through one side of the first end cover 12 and the second end cover 22 respectively and extends to the outside. The first end cover 12 and the second end cover 22 are provided with connecting holes. After the wires 31 pass through, the gaps are sealed with hot melt adhesive to prevent water from entering and to ensure that the end covers and the wires 31 are fixed to avoid movement.

[0042] In this embodiment, specifically: a fuse 32 is installed between the first connection terminal 16 and the second connection terminal 24 , and the first connection terminal 16 , the second connection terminal 24 and the fuse 32 are installed inside the fuse holder together, which has a good protection effect.

[0043] In this embodiment, specifically: the fuse 32 is arranged on the inner wall of the cavity 17, and the cavity 17 is sealed by the fuse holder, which ensures that the fuse 32 is isolated from the air during operation. The fuse holder meets the IP67 dust and water resistance level standard, can resist the invasion of dust and water, is suitable for a variety of harsh environments, extends the service life of the fuse 32, reduces the replacement frequency, and reduces maintenance costs.

[0044] In this embodiment, specifically: the outer side walls of the first shell 11 and the second shell 21 are evenly fixedly connected with anti-skid pads 33, and the surface of the anti-skid pads 33 is provided with textures to increase the friction between the user's hand and the shell, so as to manually replace the fuse 32 without the need for professional work, thereby improving operating efficiency.

[0045] In this embodiment, specifically: the first installation groove 15 is disposed on one side of the cavity 17 , and the first installation groove 15 is used to install the first connection terminal 16 .

[0046] In this embodiment, specifically: the second installation groove 23 is disposed on a side of the cavity 17 away from the first installation groove 15 , and the second installation groove 23 is used to install the second connection terminal 24 .

[0047] When the present invention is working: the first shell 11 and the second shell 21 are both designed as an integral molding, and the first shell 11 and the second shell 21 are respectively installed on the outside of the first connecting terminal 16 and the second connecting terminal 24, and then the sealing ring 34 is sleeved on the outer wall of the connecting head 13, and the fuse 32 is placed in the cavity 17. The first shell 11 and the second shell 21 are connected together by using the male screw thread 14 and the female screw thread 25. At the same time, the first shell 11 and the second shell 21 are used to squeeze the elastic sealing ring 34 to make the connection part sealed, prevent dust and moisture from entering the interior of the shell, and protect the internal terminals and the fuse 32.

[0048] The invention has a compact structure, a small appearance, occupies a small space when installed, and is convenient to install and use in various compact environments.

[0049] The housing of the present invention is manufactured by an integrated molding process, which ensures that the structure of the fuse holder is firm and stable, thereby improving overall durability.

[0050] The shells of the present invention are installed by threaded fitting, allowing the internal fuse 32 to be replaced after being damaged without replacing the fuse holder as a whole, thus achieving effective resource utilization and cost savings. At the same time, the operation is convenient, no complicated operation or professional tools are required, and the operating efficiency is improved.

[0051] The present invention realizes a tight seal inside the fuse holder through a screw thread locking design combined with the use of an elastic sealing ring 34, effectively preventing foreign matter from entering, ensuring that the fuse 32 is isolated from the air during operation, meets the IP67 dust and water resistance grade standard, can resist the invasion of dust and water, is suitable for a variety of harsh environments, prolongs the service life of the fuse 32, reduces the replacement frequency, and reduces maintenance costs.

[0052] The basic principles of the present disclosure are described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, effects, etc. mentioned in the present disclosure are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. are required by each embodiment of the present disclosure. In addition, the specific details disclosed above are only for the purpose of illustration and ease of understanding, and are not limiting. The above details do not limit the present disclosure to the necessity of adopting the above specific details to be implemented.

[0053] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of various changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A waterproof fuse holder, comprising a first protective assembly (10), characterized in that: A second protective component (20) is arranged on one side of the first protective component (10), and the first protective component (10) comprises a first shell (11), a first end cover (12), a connector (13), a male screw thread (14), a first mounting groove (15), a first connecting terminal (16) and a cavity (17); one end of the first shell (11) is integrally formed with the first end cover (12), an end of the first shell (11) away from the first end cover (12) is integrally formed with the connector (13), an outer wall of the connector (13) is provided with a male screw thread (14), a first mounting groove (15) is arranged inside the first shell (11), a first connecting terminal (16) is installed on an inner wall of the first mounting groove (15), and a cavity (17) is arranged inside the connector (13); The second protection component (20) comprises a second shell (21), a second end cover (22), a second installation groove (23), a second connecting terminal (24) and a female screw thread (25); one end of the second shell (21) is integrally formed with the second end cover (22), the interior of the second end cover (22) is provided with a second installation groove (23), the inner side wall of the second installation groove (23) is provided with a second connecting terminal (24), and the inner side wall of the second shell (21) is provided with a female screw thread (25).

2. A waterproof fuse holder according to claim 1, characterized in that: The connecting head (13) is threadedly connected to the inner wall of the second shell (21).

3. A waterproof fuse holder according to claim 2, characterized in that: The outer wall of the connector (13) is sleeved with a sealing ring (34), and the sealing ring (34) is arranged between the first shell (11) and the second shell (21).

4. The waterproof fuse holder according to claim 1, characterized in that: A wire (31) is respectively installed at one end of the first connecting terminal (16) and the second connecting terminal (24).

5. A waterproof fuse holder according to claim 4, characterized in that: One end of the two wires (31) respectively passes through one side of the first end cover (12) and the second end cover (22) and extends to the outside.

6. The waterproof fuse holder according to claim 1, characterized in that: A fuse (32) is installed between the first connecting terminal (16) and the second connecting terminal (24).

7. A waterproof fuse holder according to claim 6, characterized in that: The fuse (32) is arranged on the inner wall of the cavity (17).

8. The waterproof fuse holder according to claim 1, characterized in that: The outer side walls of the first shell (11) and the second shell (21) are evenly and fixedly connected with anti-slip pads (33).

9. The waterproof fuse holder according to claim 1, characterized in that: The first mounting groove (15) is arranged on one side of the cavity (17).

10. A waterproof fuse holder according to claim 9, characterized in that: The second mounting groove (23) is arranged on a side of the cavity (17) away from the first mounting groove (15).

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