CN220691959U

CN220691959U - Plastic shell of fuse

Info

Publication number: CN220691959U
Application number: CN202322347039.8U
Authority: CN
Inventors: 汪洋
Original assignee: Yumeijin Electronics Kunshan Co ltd
Current assignee: Yumeijin Electronics Kunshan Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-03-29
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses a fuse plastic shell, which comprises a plastic shell and a cover plate, wherein mounting pieces are symmetrically arranged on two sides of the plastic shell, a plurality of heat dissipation ports are formed in one side of the cover plate in a penetrating way, a handle is fixedly arranged below one side of the cover plate, and the fuse plastic shell further comprises: the front side of the plastic shell is provided with a chute, the cover plate is in sliding connection with the chute, sliding blocks are symmetrically arranged above two sides of the cover plate, the sliding blocks are in sliding connection with the chute, limiting assemblies are arranged below the other two sides of the plastic shell, and clamping assemblies are arranged inside the plastic shell, wherein the limiting assemblies comprise box bodies symmetrically arranged on the other two sides of the plastic shell; when making to maintain or change the inside fuse of plastics casing, the convenience of using personnel to open the apron, and then be convenient for maintain or change the inside fuse of plastics casing, promoted convenience and the practicality of fuse maintenance change.

Description

Plastic shell of fuse

Technical Field

The utility model relates to the field of fuses, in particular to a plastic shell of a fuse.

Background

The fuse is an electric appliance which fuses the melt by the heat generated by the fuse when the current exceeds a specified value and opens a circuit, and the fuse is a current protector which is manufactured by the principle that the fuse fuses the melt by the heat generated by the fuse after the current exceeds the specified value for a period of time so as to open the circuit.

Publication number CN212848288U discloses a new energy automobile fuse's casing, this patent inserts the fuse in the installation cavity back, the fuse end can be held by upper bracket and lower carriage, play the effect of strengthening fixedly, difficult pine takes off, utilize the connection slider to slide from top to bottom in the recess, adjust the centre gripping elasticity between upper bracket, lower carriage and the fuse, further through the upper and lower displacement of erection bracing post in the hole inslot, fine setting is carried out to the mounted position of casing frame, and is convenient and fast, simple structure, stability is high simultaneously, avoided the phenomenon of pine taking off under the long-term jolt of car, but this patent still has following problem in the in-service use:

after inserting the installation cavity through the fuse, the fuse end can be held by upper support frame and lower support frame, plays the effect of strengthening fixedly, difficult pine takes off, but when the fuse need be changed or the maintenance when in-service use, need unscrew a plurality of fastening bolt for upper support frame, lower support frame loosen the fuse, can take out the fuse from the installation cavity, comparatively loaded down with trivial details to the taking out of fuse, can not maintain or change the fuse fast.

A plastic housing for a fuse is proposed in order to solve the problems set forth in the foregoing.

Disclosure of Invention

The utility model aims to provide a plastic shell of a fuse, which solves the problems that the tail end of the fuse can be clamped by an upper support frame and a lower support frame after the fuse is inserted into a mounting cavity in the prior art, so that the effect of reinforcing and fixing and not easily loosening is achieved, but when the fuse needs to be replaced or maintained in actual use, a plurality of fastening bolts are required to be loosened, so that the upper support frame and the lower support frame loosen the fuse, the fuse can be taken out from the mounting cavity, the taking out of the fuse is complicated, and the fuse cannot be quickly maintained or replaced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fuse plastic housing comprises a plastic housing and a cover plate;

the plastic shell is symmetrically provided with mounting pieces at two sides, one side of the cover plate is provided with a plurality of heat dissipation openings in a penetrating way, and a handle is fixedly arranged below one side of the cover plate;

further comprises:

the front side of the plastic shell is provided with a chute, the cover plate is in sliding connection with the chute, sliding blocks are symmetrically arranged above two sides of the cover plate, the sliding blocks are in sliding connection with the chute, limiting assemblies are arranged below the other two sides of the plastic shell, and clamping assemblies are arranged inside the plastic shell;

the limiting assembly comprises a box body symmetrically arranged on the other two sides of the plastic shell, a sliding rod is symmetrically arranged in the box body, a sliding sleeve is sleeved outside one side of the sliding rod, the sliding sleeve is in sliding connection with the sliding rod, a first spring is sleeved outside the other side of the sliding rod, one end of the first spring is fixedly connected with the sliding sleeve, and the other end of the first spring is fixedly connected with the box body;

the clamping assembly comprises limit sleeves symmetrically arranged on the left side and the right side of the plastic shell, a movable rod is connected inside the limit sleeves in a sliding mode, a movable plate is fixedly arranged at one end of the movable rod, and a pull ring is fixedly arranged at the other end of the movable rod.

Preferably, a fixed block is fixedly arranged between the two sliding sleeves, a limiting rod is fixedly arranged on one side, close to the plastic shell, of the fixed block, limiting grooves are symmetrically formed in the lower sides of two sides of the cover plate, and the limiting rod is connected with the limiting grooves in a clamping mode.

Preferably, one side of the fixed block far away from the limiting rod is fixedly provided with a sliding rod, the sliding rod is in sliding connection with the box body, and one end of the sliding rod far away from the fixed block is fixedly provided with a pull handle.

Preferably, a second spring is sleeved outside one side of each movable rod, one end of each second spring is fixedly connected with the movable plate, and the other end of each second spring is fixedly connected with the plastic shell.

Preferably, two groups of support rods are symmetrically arranged in the plastic shell, and the support rods are in sliding connection with the movable plate.

Preferably, two sides of the box body, which are far away from each other, are fixedly provided with limit rings, and the limit rings are in sliding connection with the sliding rods.

Preferably, limiting blocks are fixedly arranged on one sides, close to the supporting rods, of the two groups of supporting rods.

Compared with the prior art, the utility model has the beneficial effects that: this fuse plastic housing has set up spacing subassembly in the left and right sides of plastic housing for when maintaining or changing the inside fuse of plastic housing, the convenience of service personnel open the apron, and then be convenient for maintain or change the inside fuse of plastic housing, promoted convenience and the practicality of fuse maintenance change, its concrete content is as follows:

1. the limiting assemblies are arranged on the left side and the right side of the plastic shell, when the fuse inside the plastic shell is maintained or replaced, the two pull handles are pulled to drive the sliding rods to move on the limiting rings and the box body, and then the fixing blocks can be driven to move, so that the fixing blocks drive the limiting rods to move, the limiting rods are separated from the limiting grooves on the cover plate, the fixing blocks can drive the two sliding sleeves to move on the sliding rods while moving, the sliding sleeves can compress the first springs, the cover plate is enabled to lose limiting, the cover plate can be pulled to move on the sliding grooves through the handles, the sliding blocks can be driven to move in the sliding grooves when the cover plate moves, and then the cover plate can be opened, so that a user can maintain or replace the fuse inside the plastic shell, after maintenance or replacement is finished, the cover plate is reset through the handles, the limiting grooves on the cover plate are aligned with the limiting rods, and then the first springs recover to deform, the limiting grooves are enabled to be clamped again, and when the fuse inside the plastic shell is maintained or replaced, the cover plate is convenient to use, and the fuse inside the plastic shell is convenient to maintain or replace;

2. the inside at plastic housing has set up clamping assembly, when the installation to the fuse, can open the pull ring that pulls both sides with the apron and drive the movable rod and remove, and then can drive the fly leaf and remove, make fly leaf compression second spring, can carry out spacingly through two bracing pieces when the fly leaf removes, guarantee the stability that the fly leaf removed, and can prevent through the stopper that the fly leaf from droing from the bracing piece, put the fuse between two fly leaves, loosen the pull ring, make the second spring resume deformation, and then can clamp the fuse through two fly leaves, make the fuse fixed inside plastic housing, can fix the fuse through clamping assembly, cause the fuse pine to take off when preventing that the car jolts, the stability of fuse installation has been promoted.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

FIG. 4 is a schematic view of a clamping assembly according to the present utility model;

fig. 5 is a schematic view of an opening structure of a cover plate of the present utility model.

In the figure: 1. a plastic housing; 101. a mounting member; 102. a chute; 103. a cover plate; 104. a sliding block; 105. a handle; 106. a heat radiation port; 2. a limit component; 201. a case; 202. a slide bar; 203. a sliding sleeve; 204. a first spring; 205. a fixed block; 206. a limit rod; 207. a limit groove; 208. a slide bar; 209. a limit ring; 210. a pull handle; 3. a clamping assembly; 301. a limit sleeve; 302. a movable rod; 303. a movable plate; 304. a second spring; 305. a pull ring; 306. a support rod; 307. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a fuse plastic housing, includes plastic housing 1 and apron 103, and mounting 101 is installed to plastic housing 1's bilateral symmetry, and the one side of apron 103 runs through and has offered a plurality of thermovent 106 to apron 103 one side below fixed mounting has handle 105, still includes: the front of plastic housing 1 has seted up spout 102, and apron 103 and spout 102 sliding connection, and slider 104 is installed to the both sides top symmetry of apron 103, and slider 104 and spout 102 sliding connection moreover, and plastic housing 1's other both sides below has set up spacing subassembly 2, and plastic housing 1's inside is provided with clamping assembly 3, wherein spacing subassembly 2 is including the box 201 of symmetry installation in plastic housing 1 other both sides, and the inside symmetry of box 201 installs slide bar 202, and slide bar 202's one side outside cover is equipped with sliding sleeve 203, and sliding sleeve 203 and slide bar 202 sliding connection, and slide bar 202's the outside cover of opposite side is equipped with first spring 204, and first spring 204's one end and sliding sleeve 203 fixed connection, and first spring 204's the other end and box 201 fixed connection, wherein, and the inside sliding connection of spacing subassembly 301 has movable rod 302, and movable rod 302's one end fixed mounting has movable plate 303, and movable rod 302's other end fixed mounting has through spacing subassembly 2, make the inside to plastic housing 1 or when using the fuse protector 103 to change the inside, and the fuse protector is convenient for the change the fuse-link 1, and the fuse-link is changed conveniently, and the fuse-link is changed and the convenience is changed.

Fixed block 205 is fixedly installed between two sliding sleeves 203, and one side fixed mounting that fixed block 205 is close to plastic housing 1 has gag lever post 206, and limit groove 207 has been seted up to the both sides below symmetry of apron 103, and gag lever post 206 and limit groove 207 block connection, make can carry out the spacing to apron 103, one side fixed mounting that fixed block 205 kept away from gag lever post 206 has slide bar 208, and slide bar 208 and box 201 sliding connection, and one end fixed mounting that slide bar 208 kept away from fixed block 205 has pull handle 210, be convenient for the user to stimulate gag lever post 206, one side outside cover of two movable bars 302 is equipped with second spring 304, and one end and movable plate 303 fixed connection of second spring 304, and the other end and plastic housing 1 fixed connection of second spring 304, can fix the fuse through clamping assembly 3, cause the fuse pine to take off when preventing the car jolt, the stability of fuse installation has been promoted, two sets of bracing pieces 306 are installed to the inside symmetry of plastic housing 1, and bracing piece and movable plate 303 sliding connection carries out spacing 303, the removal of movable plate 303 has promoted the stability, two sets of movable plate 306 have moved, two limit pieces 208 are all kept away from the fixed connection with the fixed stop piece 209, and one side that is kept away from the fixed stop piece 209 is kept away from to the movable plate 306, and two side of movable plate's 201 are all fixed connection with the fixed stop piece 209.

Working principle: before the plastic shell of the fuse is used, the whole situation of the device needs to be checked firstly, normal work can be carried out, the limiting assemblies 2 are arranged on the left side and the right side of the plastic shell 1 according to the illustration of fig. 1-5, when the fuse in the plastic shell 1 is maintained or replaced, the two pull handles 210 are pulled to drive the sliding rod 208 to move on the limiting ring 209 and the box 201, the fixing block 205 can be driven to move, the fixing block 205 drives the limiting rod 206 to move, the limiting rod 206 is separated from the limiting groove 207 on the cover plate 103, the fixing block 205 can drive the two sliding sleeves 203 to move on the sliding rod 202 while moving, the sliding sleeve 203 can compress the first spring 204, the cover plate 103 is enabled to lose the limiting, the cover plate 103 can be pulled on the sliding groove 102 through the handle 105, the sliding block 104 can be driven to move in the sliding groove 102 when the cover plate 103, and then the cover plate 103 can be opened, a user can maintain or replace the fuse in the plastic shell 1, after maintenance or replacement is finished, the fixing block 205 drives the limiting rod 206 to move, the limiting rod 206 on the cover plate 103 can be restored to move, the limiting rod 206 is enabled to move on the limiting rod 206, the limiting assembly is enabled to change the position of the fuse in the plastic shell, and the plastic shell 2 is replaced, and the replacement is convenient, and the replacement of the cover plate is carried out, and the replacement of the limiting assembly is convenient by the replacement of the limiting rod 206 and the replacement is replaced by the limiting grooves and the replacement of the plastic shell and the replacement;

the inside at plastic housing 1 has set up clamping assembly 3, when the installation to the fuse, can open the pull ring 305 that pulls both sides with apron 103 and drive movable rod 302 and remove, and then can drive movable plate 303 and remove, make movable plate 303 compress second spring 304, can carry out spacingly through two bracing pieces 306 when movable plate 303 removes, guarantee the stability that movable plate 303 removed, and can prevent through stopper 307 that movable plate 303 from coming off from bracing piece 306, put the fuse between two movable plates 303, loosen pull ring 305, make second spring 304 resume deformation, and then can clamp the fuse through two movable plates 303, make the fuse fixed in plastic housing 1 is inside, can fix the fuse through clamping assembly 3, cause the fuse pine to take off when preventing that the car jolts, the stability of fuse installation has been promoted.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A fuse plastic housing comprising a plastic housing (1) and a cover plate (103);

the plastic shell (1) is symmetrically provided with mounting pieces (101) at two sides, one side of the cover plate (103) is provided with a plurality of heat dissipation openings (106) in a penetrating way, and a handle (105) is fixedly arranged below one side of the cover plate (103);

characterized by further comprising:

the plastic shell is characterized in that a chute (102) is formed in the front face of the plastic shell (1), a cover plate (103) is connected with the chute (102) in a sliding mode, sliding blocks (104) are symmetrically arranged above two sides of the cover plate (103), the sliding blocks (104) are connected with the chute (102) in a sliding mode, limiting assemblies (2) are arranged below the other two sides of the plastic shell (1), and clamping assemblies (3) are arranged inside the plastic shell (1);

the limiting assembly (2) comprises a box body (201) symmetrically arranged on the other two sides of the plastic shell (1), a sliding rod (202) is symmetrically arranged in the box body (201), a sliding sleeve (203) is sleeved outside one side of the sliding rod (202), the sliding sleeve (203) is in sliding connection with the sliding rod (202), a first spring (204) is sleeved outside the other side of the sliding rod (202), one end of the first spring (204) is fixedly connected with the sliding sleeve (203), and the other end of the first spring (204) is fixedly connected with the box body (201);

the clamping assembly (3) comprises limit sleeves (301) symmetrically arranged on the left side and the right side of the plastic shell (1), a movable rod (302) is connected inside the limit sleeves (301) in a sliding mode, a movable plate (303) is fixedly arranged at one end of the movable rod (302), and a pull ring (305) is fixedly arranged at the other end of the movable rod (302).

2. A plastic housing for a fuse in accordance with claim 1, wherein: a fixed block (205) is fixedly arranged between the two sliding sleeves (203), a limiting rod (206) is fixedly arranged on one side, close to the plastic shell (1), of the fixed block (205), limiting grooves (207) are symmetrically formed in the lower portions of two sides of the cover plate (103), and the limiting rod (206) is connected with the limiting grooves (207) in a clamping mode.

3. A plastic housing for a fuse as defined in claim 2, wherein: one side of the fixed block (205) far away from the limiting rod (206) is fixedly provided with a sliding rod (208), the sliding rod (208) is in sliding connection with the box body (201), and one end of the sliding rod (208) far away from the fixed block (205) is fixedly provided with a pull handle (210).

4. A plastic housing for a fuse in accordance with claim 1, wherein: a second spring (304) is sleeved outside one side of each movable rod (302), one end of each second spring (304) is fixedly connected with the movable plate (303), and the other end of each second spring (304) is fixedly connected with the plastic shell (1).

5. A plastic housing for a fuse in accordance with claim 1, wherein: two groups of support rods (306) are symmetrically arranged in the plastic shell (1), and the support rods (306) are in sliding connection with the movable plate (303).

6. A plastic housing for a fuse in accordance with claim 1, wherein: and the two sides of the box bodies (201) away from each other are fixedly provided with limit rings (209), and the limit rings (209) are in sliding connection with the sliding rods (208).

7. A plastic housing for a fuse in accordance with claim 5, wherein: limiting blocks (307) are fixedly arranged on the sides, close to the supporting rods (306), of the two groups.