Waterproof fuse holder

Abstract

The utility model provides a waterproof fuse holder, which comprises a first protection assembly, a second protection assembly is arranged on one side of the first protection assembly, and the first protection assembly comprises a first shell, a first end cover, a connector, a male thread, a first mounting groove, a first connecting 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 utility model has the advantages of compact structure, small appearance and smaller occupied space during installation, and is 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 utility model relates to a fuse holder, in particular to a waterproof fuse holder, belongs to fuse protection technical field. BACKGROUND

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

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

[0004] Currently, small fuse holders that facilitate replacement of fuses on the market generally face two major challenges: first, most products cannot meet the IP67 waterproof and dustproof standard, limiting their application environment; second, the terminal and the contact part of the fuse are prone to oxidation due to long-term exposure, affecting the 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 the use of a screwdriver or other tools to complete the replacement of the fuse, which is not convenient. In addition, there is an integrally formed fuse holder that needs to be replaced as a whole once damaged, increasing maintenance costs and inconvenience. Therefore, a waterproof fuse holder is proposed. SUMMARY

[0005] Therefore, the utility model provides a waterproof fuse holder to solve or alleviate one of the technical problems in the prior art, at least to provide a beneficial choice.

[0006] The technical scheme of the utility model embodiment is implemented as follows: a waterproof fuse holder, comprising a first protection assembly, one side of the first protection assembly is provided with a second protection assembly, the first protection assembly comprises a first shell, a first end cover, a connecting head, a male screw, a first installation slot, a first connecting terminal and a cavity, one end of the first shell is integrally formed with the first end cover, the end of the first shell away from the first end cover is integrally formed with the connecting head, the outer side wall of the connecting head is provided with the male screw, the inside of the first shell is provided with the first installation slot, the inner side wall of the first installation slot is provided with the first connecting terminal, and the inside of the connecting head is provided with the cavity.

[0007] The second protection assembly comprises a second shell, a second end cover, a second mounting groove, a second connecting terminal and a female screw; one end of the second shell is integrally formed with the second end cover, the second end cover is internally provided with the second mounting groove, the inner side wall of the second mounting groove is provided with the second connecting terminal, and the inner side wall of the second shell is provided with the female screw; the fuse holder shell is made of plastic material, has excellent electrical insulation performance, can effectively prevent the conduction of current, reduces 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 in the fuse holder, meanwhile, the plastic material has good processing performance and can be easily formed through injection molding, extrusion and other processes to make the fuse holder shell with accurate dimensions.

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

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

[0010] Further preferably, one end of each of the first connecting terminal and the second connecting terminal is provided with a wire.

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

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

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

[0014] Further preferably, the outer side walls of the first shell and the second shell are uniformly and fixedly connected with anti-skid 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 the side of the cavity away from the first mounting groove.

[0017] The above technical scheme has the following advantages:

[0018] First, the utility model has compact structure, small appearance, small occupied space during installation, and is convenient to install and use in various compact environments.

[0019] Second, the shell is made by integral forming process, so that the structure of the fuse holder is firm and stable, and the overall durability is improved.

[0020] Third, the utility model discloses the shell between using screw thread cooperation installation, allows after the replacement of the internal fuse damage, need not integral replacement fuse holder, realized the effective use of resources and cost saving, convenient operation simultaneously, need not complex operation or professional tool, improves the operation efficiency.

[0021] Four, the utility model discloses the screw thread lock design, in combination with the use of elastic sealing ring, realized the tight seal of fuse holder inside, effectively prevent the outside material from entering, ensure that the fuse is isolated from air in the working process, meet IP67 dustproof waterproof grade standard, can resist the invasion of dust and water, applicable to a variety of harsh environment, prolong the service life of fuse, reduce the replacement frequency, reduce maintenance cost.

[0022] The above summary is intended only to illustrate the application and is not intended to be limiting in any way. Further aspects, embodiments and features of the application will be apparent from a consideration of the drawings and following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0024] Figure 1 It is a structural diagram of the utility model;

[0025] Figure 2 It is an explosion structural diagram of the utility model;

[0026] Figure 3 It is a first shell structure diagram of the utility model;

[0027] Figure 4 It is a first shell internal structure diagram of the utility model;

[0028] Figure 5 It is a second shell structure diagram of the utility model;

[0029] Figure 6 It is a second shell internal structure diagram of the utility model.

[0030] 10, first protection assembly; 11, first housing; 12, first end cover; 13, connector; 14, male screw; 15, first mounting groove; 16, first connecting terminal; 17, cavity; 20, second protection assembly; 21, second housing; 22, second end cover; 23, second mounting groove; 24, second connecting terminal; 25, female screw; 31, wire; 32, fuse; 33, non-slip pad; 34, sealing ring. DETAILED DESCRIPTION

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

[0032] It should be apparent that the following describes embodiments of the present disclosure by way of specific examples, and that one of ordinary skill in the art can readily derive other advantages and / or effects from the content disclosed in this specification. It is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The present disclosure can also be implemented or applied by other different specific embodiments, and the details in the specification can be modified or changed based on different views 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 without conflict. Based on the embodiments in the present disclosure, all other embodiments obtained by one of ordinary skill in the art without creative labor are within the scope of protection of the present disclosure.

[0033] It should be noted that the following describes various aspects of embodiments within the scope of the appended claims. It should be apparent that the aspects described herein can be embodied in a wide variety of forms and that any particular structure and / or function described herein is merely illustrative. Based on the disclosure, one of ordinary skill in the art will appreciate that one aspect described herein can be implemented independently of any other aspect and that two or more of these aspects can be combined in various ways. For example, an apparatus can be implemented and / or a method can be practiced using any number of the aspects set forth herein. In addition, such an apparatus can be implemented and / or such a method can be practiced using other structure and / or functionality in addition to or other than one or more of the aspects set forth herein.

[0034] It should also be noted that the drawings provided in the following embodiments are only to illustrate the basic concept of the present disclosure in a schematic manner, and only the components related to the present disclosure are shown in the drawings, not drawn according to the number, shape and size of the components when actually implemented, the actual implementation of each component can be a random change in shape, number and proportion, and the layout pattern of the components can be more complex.

[0035] In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, one skilled in the art will understand that the described aspects can be practiced without these specific details.

[0036] As Figures 1-6 shown, the utility model discloses a waterproof fuse holder, including first protection subassembly 10, first protection subassembly 10 one side is provided with second protection subassembly 20, first protection subassembly 10 includes first casing 11, first end cover 12, connecting head 13, male screw 14, first installation slot 15, first connecting terminal 16 and cavity 17, one end of first casing 11 is integrally formed with first end cover 12, and one end of first casing 11 away from first end cover 12 is integrally formed with connecting head 13, and the outer side wall of connecting head 13 is provided with male screw 14, and the inside of first casing 11 is provided with first installation slot 15, and the inside wall of first installation slot 15 is installed with first connecting terminal 16, and the inside of connecting head 13 is provided with cavity 17,

[0037] second protection subassembly 20 includes second casing 21, second end cover 22, second installation slot 23, second connecting terminal 24 and female screw 25, one end of second casing 21 is integrally formed with second end cover 22, the inside of second end cover 22 is provided with second installation slot 23, the inside wall of second installation slot 23 is installed with second connecting terminal 24, and the inside wall of second casing 21 is provided with female screw 25, the fuse holder casing is made of plastic material, has excellent electrical insulation performance, can effectively prevent the conduction of electric current, reduces the risk of circuit short circuit, thereby ensuring the safety performance of circuit, and 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, and the fuse holder casing with accurate size is made.

[0038] In the embodiment, specifically: the connecting head 13 is threadedly connected to the inner side wall of the second casing 21, the tight sealing of the inside of the fuse holder is realized through the thread locking design and the use of the elastic sealing ring 34, and external substances are effectively prevented from entering.

[0039] In the embodiment, specifically: the outer side wall of the connecting head 13 is sleeved with the sealing ring 34, the sealing ring 34 is arranged between the first casing 11 and the second casing 21, the sealing ring 34 is made of silicone rubber material, has prominent high and low temperature resistance and weather 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 the embodiment, specifically: one end of the first connecting terminal 16 and the second connecting terminal 24 is respectively installed with the wire 31, the circuit is formed through the wire 31, and the electric energy is transmitted from one position to another position.

[0041] In this embodiment, specifically: one end of two wires 31 extends to the outside through one side of the first end cover 12 and the second end cover 22 respectively, the first end cover 12 and the second end cover 22 are provided with reserved connecting holes, the wire 31 passes through and is sealed by using hot melt glue to prevent water from entering and ensure the fixation between the end cover and the wire 31, and movement is avoided.

[0042] In this embodiment, specifically: the fuse 32 is installed between the first connecting terminal 16 and the second connecting terminal 24, and the first connecting terminal 16, the second connecting terminal 24 and the fuse 32 are installed in the fuse holder to achieve good protection effect.

[0043] In this embodiment, specifically: the fuse 32 is arranged on the inner side wall of the cavity 17, and the cavity 17 is sealed by the fuse holder, so that the fuse 32 is isolated from air during work, the fuse holder meets the IP67 dustproof and waterproof level standard, can resist the invasion of dust and water, is suitable for various harsh environments, prolongs the service life of the fuse 32, reduces the replacement frequency and maintenance cost.

[0044] In this embodiment, specifically: the outer side walls of the first shell 11 and the second shell 21 are uniformly and fixedly connected with anti-skid pads 33, the anti-skid pads 33 are provided with patterns on the surfaces, the patterns are used for increasing the friction between the hands of a user and the shells, manual replacement of the fuse 32 is facilitated, professional work is not needed, and the operation efficiency is improved.

[0045] In this embodiment, specifically: the first installation groove 15 is arranged on one side of the cavity 17, and the first installation groove 15 is used for installing the first connecting terminal 16.

[0046] In this embodiment, specifically: the second installation groove 23 is arranged on the side, away from the first installation groove 15, of the cavity 17, and the second installation groove 23 is used for installing the second connecting terminal 24.

[0047] When the utility model works: the first shell 11 and the second shell 21 are integrally formed, the first shell 11 and the second shell 21 are installed outside the first connecting terminal 16 and the second connecting terminal 24 respectively, the sealing ring 34 is sleeved on the outer side wall of the connecting head 13, the fuse 32 is placed in the cavity 17, the first shell 11 and the second shell 21 are connected together by cooperation of the male screw 14 and the female screw 25, and the sealing ring 34 is extruded by the first shell 11 and the second shell 21, so that the connecting part is sealed, dust and moisture are prevented from entering the inside of the shell, and the internal terminal and the fuse 32 are protected.

[0048] The utility model has the advantages of compact structure, small appearance, small occupied space during installation, and convenience in installation and use in various compact environments.

[0049] The shell is made by integral forming process, so that the structure of the fuse holder is firm and stable, and the overall durability is improved.

[0050] The shell is installed by thread cooperation, so that the fuse 32 can be replaced after damage without replacing the fuse holder as a whole, the effective use of resources and cost saving are realized, the operation is convenient, no complex operation or professional tool is needed, and the operation efficiency is improved.

[0051] The screw thread locking design and the use of the elastic sealing ring 34 realize the tight sealing of the fuse holder, prevent external substances from entering, ensure that the fuse 32 is isolated from air during work, meet the IP67 dustproof and waterproof level standard, can resist the invasion of dust and water, are suitable for various harsh environments, prolong the service life of the fuse 32, reduce the replacement frequency, and reduce the maintenance cost.

[0052] The basic principles of the present disclosure are described above in combination with specific embodiments, but it should be pointed out that the advantages, advantages, effects and the like mentioned in the present disclosure are only examples and cannot be considered as the advantages, advantages, effects and the like that must be possessed by each embodiment of the present disclosure. In addition, the specific details of the above disclosure are only for the purpose of example and for the purpose of understanding, and are not limited to the specific details of the above disclosure.

[0053] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of various changes or replacements within the technical range disclosed by the present application, and these should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A water-proof fuse holder comprising a first protection assembly (10), characterized in that: One side of the first protection assembly (10) is provided with a second protection assembly (20), the first protection assembly (10) comprises a first shell (11), a first end cover (12), a connecting head (13), a male screw (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), the end of the first shell (11) away from the first end cover (12) is integrally formed with the connecting head (13), the outer side wall of the connecting head (13) is provided with the male screw (14), the inside of the first shell (11) is provided with the first mounting groove (15), the inner side wall of the first mounting groove (15) is provided with the first connecting terminal (16), and the inside of the connecting head (13) is provided with the cavity (17); The second protection assembly (20) comprises a second shell (21), a second end cover (22), a second mounting groove (23), a second connecting terminal (24) and a female screw (25); one end of the second shell (21) is integrally formed with the second end cover (22), the inside of the second end cover (22) is provided with the second mounting groove (23), the inner side wall of the second mounting groove (23) is provided with the second connecting terminal (24), and the inner side wall of the second shell (21) is provided with the female screw (25).

2. The waterproof fuse holder of claim 1, wherein: The connecting head (13) is threadedly connected to the inner side wall of the second shell (21).

3. The waterproof fuse holder of claim 2, wherein: The outer side wall of the connecting head (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 of claim 1, wherein: One end of the first connecting terminal (16) and the second connecting terminal (24) is respectively provided with a wire (31).

5. The waterproof fuse holder of claim 4, wherein: One end of the two wires (31) respectively penetrates one side of the first end cover (12) and the second end cover (22) and extends to the outside.

6. The waterproof fuse holder of claim 1, wherein: The first connecting terminal (16) and the second connecting terminal (24) are provided with a fuse (32) therebetween.

7. The waterproof fuse holder of claim 6, wherein: The fuse (32) is arranged on the inner side wall of the cavity (17).

8. The waterproof fuse holder of claim 1, wherein: The outer side walls of the first shell (11) and the second shell (21) are uniformly and fixedly connected with anti-skid pads (33).

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

10. The waterproof fuse holder of claim 9, wherein: The second mounting groove (23) is arranged on the side of the cavity (17) away from the first mounting groove (15).

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