Sealed fuse base

Abstract

The utility model relates to the technical field of fuses, and discloses a sealed fuse base, which comprises a fuse base, the top of the fuse base is movably connected with a cover, the shape and size of the cover are matched with the shape and size of the fuse base, the top of the cover is fixedly connected with a handle, and the top of the cover is fixedly connected with the fuse base. And an installation fixing mechanism is arranged in the fuse base. According to the utility model, through the arrangement of the installation fixing mechanism, the fuse can be conveniently installed and fixed and installed in an electric box, in the use process, the fuse is sleeved in the fixing ring, and the cover is covered, so that the two ends of the fuse are clamped in the contact clamping grooves, and the fuse can be conveniently installed in the electric box. And then the fuse base is installed in the electric box through the cooperation of the bolts and the threaded holes, so that the situation that a long time is needed or a professional person needs to carry out installation due to the tedious installation process can be avoided, and the convenience and simplicity of the fuse installation are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of fuses, in particular to a sealed fuse base. Background Art

[0002] A fuse is an overcurrent protector. A fuse mainly consists of a fuse element, a fuse tube and additional filler, etc. When in use, the fuse is connected in series to the protected circuit. When the current in the protected circuit exceeds the specified value and after a certain period of time, the fuse element is melted by the heat generated by itself, disconnecting the circuit, thus playing a protective role. An electrical appliance that uses a metal conductor as the fuse element to break the circuit is connected in series in the circuit. When an overload or short-circuit current passes through the fuse element, the fuse element will heat up and melt by itself, thus playing a certain protective role for the power system, various electrical equipment and household appliances. It has an inverse time-delay characteristic. When the overload current is small, the melting time is long; when the overload current is large, the melting time is short. When installing and fixing a fuse, a certain type of fuse base is required.

[0003] A fuse with the patent number CN 208488515 U. In order to solve the problem that when a device where the fuse is located fails, due to the complex internal structure of the device where the fuse is located, the inspection time for the fuse failure is long and the operation process is cumbersome. The utility model discloses a fuse, which is characterized in that it includes a bottom plate and at least one test circuit arranged on the bottom plate. Each test circuit includes a test circuit, a fuse interface and an analog circuit connection point, wherein the test circuit is connected in parallel with the fuse interface. The above technical solution can simultaneously connect multiple fuses through a U-shaped card, and directly detect and determine the faults of local circuits inside the device through the test circuit for testing the fault state of the fuse, solving the problems that the inspection time for the faults of the device where the fuse is located is long and the operation process is cumbersome. This fuse solves the problems of long maintenance time and cumbersome operation caused by the complex internal structure of the device;

[0004] Although the above-mentioned utility model patent solves the problems of long maintenance time and cumbersome operation caused by the complex internal structure of the device, however, most of the currently used fuses are not convenient for installing and fixing the fuse, and not convenient for installing the fuse in an electrical box. During the use process, if the installation process is cumbersome, it may lead to a long installation time, or the situation where professional personnel are required for installation, making the installation difficulty of this fuse large, the convenience poor, the practicability poor, and it is impossible to seal this fuse. During the use process, if the inside of the fuse cannot be sealed, the inside of the fuse is vulnerable to dust and moisture erosion, resulting in damage to the internal connection parts, affecting the electrical performance, and possible problems such as poor contact and electric leakage may occur, making the service life of this fuse low and the practicability poor. Summary of the Utility Model

[0005] The present utility model proposes a sealed fuse base, which solves the problem of a sealed fuse base in the related art.

[0006] The technical solution of the present utility model is as follows:

[0007] A sealed fuse base includes a fuse base, a lid is movably connected to the top of the fuse base, the shape and size of the lid match those of the fuse base, and a handle is fixedly connected to the top of the lid;

[0008] An installation and fixing mechanism is arranged inside the fuse base, and the installation and fixing mechanism includes a contact card slot.

[0009] Furthermore, contact card slots are fixedly connected inside the fuse base, the number of the contact card slots is two, and the two contact card slots are symmetrically arranged with respect to the vertical center line of the fuse base.

[0010] Furthermore, a cushion block is fixedly connected to the bottom of the lid, and a fixing ring is fixedly connected to the bottom of the cushion block.

[0011] Furthermore, fixing blocks are fixedly connected to the bottom of the fuse base, the number of the fixing blocks is two, and the two fixing blocks are symmetrically arranged with respect to the vertical center line of the fuse base.

[0012] Furthermore, an installation card slot is opened on one side of the fixing block, a threaded hole is opened on one side of the fixing block, and a bolt is movably connected to the inner wall of the threaded hole.

[0013] Furthermore, a sealing mechanism is arranged at the bottom of the lid, and the sealing mechanism includes a sealing ring, and the sealing ring is fixedly connected to the bottom of the lid.

[0014] Furthermore, wiring holes are opened on one side of the fuse base, the number of the wiring holes is two, and the two wiring holes are symmetrically arranged with respect to the vertical center line of the fuse base.

[0015] Furthermore, a sealing strip is fixedly connected inside the wiring hole, and a through hole is opened on one side of the sealing strip.

[0016] The working principle and beneficial effects of the present utility model are as follows:

[0017] 1. In the present utility model, through the provision of the installation and fixation mechanism, the fuse can be conveniently installed and fixed and installed in the electrical box. During use, by sleeving the fuse into the fixing ring, covering the lid, clamping both ends of the fuse in the contact point card slots, and then installing the fuse base in the electrical box by matching the bolt with the threaded hole, it is possible to avoid the situation where the installation process is cumbersome and requires a long time or professional personnel for installation, ensuring the convenience and simplicity of the fuse installation.

[0018] 2. In the present utility model, through the provision of the sealing mechanism, the interior of the fuse can be sealed. During use, through the sealing ring and the sealing strip, the wiring hole and the lid are sealed, which can avoid the situation where the interior of the fuse is not sealed, making the interior of the fuse vulnerable to dust and moisture erosion, resulting in damage to the internal connection part, affecting the electrical performance, and possibly causing problems such as poor contact and electric leakage, ensuring the service life of the fuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following further elaborates on the present utility model in conjunction with the drawings and specific embodiments.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0021] Figure 2 It is a structural schematic diagram of the installation and fixation mechanism of the present utility model;

[0022] Figure 3 It is a connection schematic diagram of the fixing block and the fuse base of the present utility model;

[0023] Figure 4 It is a structural schematic diagram of the threaded hole opened on the fixing block of the present utility model;

[0024] Figure 5 It is a connection structural schematic diagram of the lid and the cushion block of the present utility model;

[0025] Figure 6 It is a structural schematic diagram of the sealing mechanism of the present utility model.

[0026] In the figure:

[0027] 1. Fuse base;

[0028] 2. Installation and fixation mechanism; 201. Contact point card slot; 202. Cushion block; 203. Fixing ring; 204. Fixing block; 205. Installation card slot; 206. Threaded hole; 207. Bolt;

[0029] 3. Sealing mechanism; 301. Sealing ring; 302. Wiring hole; 303. Sealing strip; 304. Through hole;

[0030] 4. Lid; 5. Handle. Detailed implementation mode

[0031] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present invention.

[0032] Embodiment 1

[0033] As Figure 1 shown, a sealed fuse base includes a fuse base 1. A lid 4 is movably connected to the top of the fuse base 1. The shape and size of the lid 4 match those of the fuse base 1. A handle 5 is fixedly connected to the top of the lid 4. An installation and fixing mechanism 2 is provided inside the fuse base 1, and a sealing mechanism 3 is provided at the bottom of the lid 4.

[0034] In this embodiment, when the fuse base 1 needs to be used, first, the fuse needs to be installed into the fuse base 1. The fuse is installed into the fuse base 1 through the provided installation and fixing mechanism 2. Then, the fuse base 1 needs to be installed in the electrical box. The fuse base 1 is installed into the electrical box through the provided installation and fixing mechanism 2. To prevent dust from entering the inside of the fuse base 1, at this time, the fuse base 1 needs to be sealed. The inside of the fuse base 1 is sealed through the provided sealing mechanism 3, thus completing the work.

[0035] Embodiment 2

[0036] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, an installation and fixing mechanism 2 is provided inside the fuse base 1. The installation and fixing mechanism 2 includes a contact card slot 201. The contact card slot 201 is fixedly connected to the inside of the fuse base 1. The number of the contact card slots 201 is two, and the two contact card slots 201 are symmetrically arranged with the vertical center line of the fuse base 1 as the axis of symmetry. A cushion block 202 is fixedly connected to the bottom of the lid 4. A fixing ring 203 is fixedly connected to the bottom of the cushion block 202. A fixing block 204 is fixedly connected to the bottom of the fuse base 1. The number of the fixing blocks 204 is two, and the two fixing blocks 204 are symmetrically arranged with the vertical center line of the fuse base 1 as the axis of symmetry. An installation card slot 205 is opened on one side of the fixing block 204, and a threaded hole 206 is opened on one side of the fixing block 204. A bolt 207 is movably connected to the inner wall of the threaded hole 206.

[0037] In this embodiment, when the fuse base 1 is needed, first, the fuse needs to be installed into the fuse base 1. At this time, the cover 4 is pulled open by the handle 5, then the fuse is sleeved into the fixing ring 203, and then the cover 4 is covered by the handle 5. The two ends of the fuse are clamped in the contact slot 201, thus completing the installation of the fuse. Then, the fuse base 1 needs to be installed in the electrical box. At this time, the clamping block in the electrical box is clamped in the installation slot 205 on the fixing block 204, and then the threaded hole 206 opened on the fixing block 204 is aligned with the threaded hole 206 opened on the clamping block. Then, the bolt 207 is rotated and inserted into the threaded hole 206 opened on the fixing block 204 and the threaded hole 206 opened on the clamping block, so that the bolt 207 installs and fixes the fixing block 204 and the clamping block in the electrical box, thus completing the installation and fixing work.

[0038] As Figure 1 、 Figure 5 and Figure 6 shown, a sealing mechanism 3 is provided at the bottom of the cover 4. The sealing mechanism 3 includes a sealing ring 301. The sealing ring 301 is fixedly connected to the bottom of the cover 4. A wiring hole 302 is opened on one side of the fuse base 1. The number of the wiring holes 302 is two, and the two wiring holes 302 are symmetrically arranged with the vertical center line of the fuse base 1 as the axis of symmetry. A sealing strip 303 is fixedly connected inside the wiring hole 302, and a through hole 304 is opened on one side of the sealing strip 303.

[0039] In this embodiment, in order to prevent dust from entering the inside of the fuse base 1, at this time, the fuse base 1 needs to be sealed. By providing the sealing ring 301, it can be ensured that when the cover 4 is covered, the cover 4 is in a sealed state. Then, when wiring, the wire is inserted into the through hole 304 opened on the sealing strip 303. The diameter of the through hole 304 is smaller than that of the wire, but since the sealing strip 303 is made of a soft material, it will deform due to the insertion of the wire. Thus, when the wire is inserted, the sealing strip 303 can wrap the outer wall of the wire, thereby preventing dust from entering at the wire insertion part and ensuring the sealing at the wiring hole 302, thus completing the sealing work.

[0040] The working principle of the utility model is as follows: When the fuse base 1 is needed, first, the fuse needs to be installed into the fuse base 1. At this time, the cover 4 is pulled open by the handle 5, then the fuse is sleeved into the fixing ring 203, and then the cover 4 is covered by the handle 5. The two ends of the fuse are stuck in the contact slot 201, thus completing the installation of the fuse. Then, the fuse base 1 needs to be installed in the electrical box. At this time, the block in the electrical box is stuck in the installation slot 205 on the fixing block 204, and then the threaded hole 206 opened on the fixing block 204 is aligned with the threaded hole 206 opened on the block. Then, the bolt 207 is rotated and passed through the threaded hole 206 opened on the fixing block 204 and the threaded hole 206 opened on the block, so that the bolt 207 installs and fixes the fixing block 204 and the block in the electrical box, thus completing the installation and fixing work. In order to prevent dust from entering the inside of the fuse base 1, at this time, the fuse base 1 needs to be sealed. Through the provided sealing ring 301, it can be ensured that when the cover 4 is covered, the cover 4 is in a sealed state. Then, when wiring, the wire is inserted into the through hole 304 opened on the sealing strip 303. The diameter of the through hole 304 is smaller than that of the wire, but since the sealing strip 303 is made of a soft material, it will deform due to the insertion of the wire. Thus, when the wire is inserted, the sealing strip 303 can wrap the outer wall of the wire, preventing dust from entering at the wire insertion point and ensuring the seal at the wiring hole 302, thus completing the sealing work.

[0041] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A sealed fuse base, characterized in that , including a fuse base (1), a lid (4) is movably connected to the top of the fuse base (1), the shape and size of the lid (4) match those of the fuse base (1), and a handle (5) is fixedly connected to the top of the lid (4); An installation and fixing mechanism (2) is arranged inside the fuse base (1), and the installation and fixing mechanism (2) includes a contact card slot (201).

2. The base of a sealed fuse according to claim 1, characterized in that, A contact card slot (201) is fixedly connected inside the fuse base (1), the number of the contact card slots (201) is two, and the two contact card slots (201) are symmetrically arranged with the vertical midline of the fuse base (1) as the axis of symmetry.

3. A sealed fuse base according to claim 1, characterized in that, A cushion block (202) is fixedly connected to the bottom of the lid (4), and a fixing ring (203) is fixedly connected to the bottom of the cushion block (202).

4. A sealed fuse base according to claim 1, characterized in that, A fixing block (204) is fixedly connected to the bottom of the fuse base (1), the number of the fixing blocks (204) is two, and the two fixing blocks (204) are symmetrically arranged with the vertical midline of the fuse base (1) as the axis of symmetry.

5. A sealed fuse base according to claim 4, characterized in that, An installation card slot (205) is opened on one side of the fixing block (204), a threaded hole (206) is opened on one side of the fixing block (204), and a bolt (207) is movably connected to the inner wall of the threaded hole (206).

6. The base of a sealed fuse according to claim 1, characterized in that A sealing mechanism (3) is arranged at the bottom of the lid (4), and the sealing mechanism (3) includes a sealing ring (301), and the sealing ring (301) is fixedly connected to the bottom of the lid (4).

7. A sealed fuse base according to claim 1, characterized in that, A wiring hole (302) is opened on one side of the fuse base (1), the number of the wiring holes (302) is two, and the two wiring holes (302) are symmetrically arranged with the vertical midline of the fuse base (1) as the axis of symmetry.

8. A sealed fuse base according to claim 7, characterized in that, A sealing strip (303) is fixedly connected inside the wiring hole (302), and a through hole (304) is opened on one side of the sealing strip (303).

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