Packaging type thermal link application assembly

Abstract

The utility model relates to the field of fuse links, in particular to a packaged thermal fuse link application assembly, which comprises a shell, a cavity is arranged at the center of the shell, a partition plate is welded at the center of the cavity of the shell, wiring ports are arranged on the outer walls of the two sides of the shell, and fixing structures are arranged in the wiring ports. An observation assembly is arranged at the cavity on the outer wall of the top of the shell; the fixing structure comprises a fixing groove formed in the outer wall, located on one side of the wiring port, of the shell and a bidirectional screw rotationally connected into the fixing groove. The observation assembly comprises an observation hole formed in the outer wall of the top of the shell, observation plates installed in the cavity and located on the two sides of the partition plate, and installation grooves formed in the outer wall of the top of the shell and located between the observation plates and the partition plate. The tool is used for rotating the cross groove in the top end of the two-way screw rod, the fixing pieces are close to each other after the two-way screw rod rotates, the fixing pieces clamp one end of the wire harness through the fixing teeth, connection stability is guaranteed, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuse technology field especially relates to a packaging type thermal fuse application subassembly. BACKGROUND

[0002] Thermal fuse is also called temperature fuse, which is widely applied to electric appliance heating circuit, and its main function is to cut off the heating circuit when the electric appliance generates high temperature in the use process, thereby preventing the electric appliance from burning and even causing fire hazard, the existing thermal fuse is connected with a lead wire at both ends and then installed in the heating circuit of the electric appliance.

[0003] Most of the existing thermal fuses are combined and installed, and if the thermal fuse is fused after installation, the maintenance personnel cannot directly find the problem due to the multiple fuse structures in the equipment, which is inconvenient. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above -mentioned problem and insufficient, proposes a packaging type thermal fuse application subassembly: partial smoke is generated when fusing, the smoke enters between the observation plate and the partition plate through the through hole on the observation plate, and the personnel observes through the glass sheet, which is convenient for observation, shortens the time of finding the bad point, is convenient to use, and solves the problem of inconvenient timely discovery.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A packaging type thermal fuse application subassembly, including the shell, the cavity is set up at the center of the shell, and the partition plate is welded at the center of the cavity of the shell, the wire port is set up on the both sides of the shell, and the fixed structure is arranged in the wire port, the observation assembly is arranged on the top outer wall of the shell in the cavity, the fixed structure includes the fixed groove set up on the outer wall of the shell on one side of the wire port and the bidirectional screw rod rotatably connected in the fixed groove, and the observation assembly includes the observation hole set up on the top outer wall of the shell, the observation plate installed on both sides of the partition plate in the cavity and the installation groove set up on the top outer wall of the shell between the observation plate and the partition plate.

[0007] Preferably, the plug-in barrel is fixed between the wire port and the cavity, and the limiting strips are welded on the inner wall of the end of the plug-in barrel away from each other at equal distances, and the limiting strips are "J" type structures.

[0008] According to the above scheme: the inner wall of the plug-in barrel is changed from large to small by the limiting strips, one end of the limiting strips is inserted into the copper wire of the wire harness, the wire harness is fixed in the shell, the wire harness is convenient to connect, and the stability of the wire harness connection is maintained.

[0009] Preferably, the outer wall of both ends of the bidirectional screw is threadedly connected with a fixed sheet, and the outer wall of the side close to each other of the fixed sheet is welded with fixed teeth distributed at equal distances;

[0010] According to the above scheme: the cross groove at the top end of the bidirectional screw is rotated by using a tool, the fixed sheets are close to each other after the bidirectional screw is rotated, the fixed sheets clamp one end of the wire harness through the fixed teeth, the stability of the connection is ensured, and use is facilitated.

[0011] Preferably, the outer wall of one end of the bidirectional screw is provided with a cross groove at the top end of the shell, and the fixed sheet is slidingly connected to the fixed groove and the outer wall of the wire port.

[0012] Preferably, the outer wall of the top of the shell is welded with mounting screws on both sides of the observation plate, and a glass sheet is placed in the mounting groove; the outer wall of the mounting screw is slidingly connected with a sealing plate and a mounting frame.

[0013] Preferably, the outer wall of the bottom of the glass sheet is provided with a sealing strip at the mounting groove, and the outer wall of the mounting screw is screwed with a nut, and the outer wall of one end of the nut is in contact with the outer wall of the mounting frame and the sealing plate.

[0014] Preferably, the outer wall of the side close to each other of the plug-in barrel is provided with a fuse sheet, and the center of the observation plate is provided with a through hole.

[0015] Preferably, the outer wall of the shell is provided with a connecting groove on the other two sides.

[0016] The beneficial effects of the utility model are:

[0017] 1. The inner wall of the plug-in barrel becomes smaller due to the limiting strip, one end of the limiting strip is inserted into the copper wire of the wire harness, the wire harness is fixed in the shell, the wire harness is conveniently connected, and the stability of the wire harness connection is maintained.

[0018] 2. The cross groove at the top end of the bidirectional screw is rotated by using a tool, the fixed sheets are close to each other after the bidirectional screw is rotated, the fixed sheets clamp one end of the wire harness through the fixed teeth, the stability of the connection is ensured, and use is facilitated.

[0019] 3. Part of smoke is generated when the fuse is melted, the smoke enters between the observation plate and the partition plate through the through hole on the observation plate, and the glass sheet is observed by personnel, so that the observation is facilitated, the time for finding a bad point is shortened, and use is facilitated. DRAWINGS

[0020] Figure 1 The utility model provides an overall structure schematic diagram of a packaging type thermal fuse application assembly;

[0021] Figure 2 The utility model provides a partial section structure schematic diagram of a packaging type thermal fuse application assembly;

[0022] Figure 3 A plug-in tube structure schematic view of a packaging type thermal fuse application assembly is provided in the utility model.

[0023] Figure 4 An expanded structure schematic view of a packaging type thermal fuse application assembly is provided in the utility model.

[0024] In the drawing: 1 shell, 2 cavity, 3 partition plate, 4 observation plate, 5 wiring port, 6 fixing structure, 7 observation assembly, 8 plug-in tube, 9 limiting strip, 10 fuse link, 11 fixing groove, 12 bidirectional screw rod, 13 fixed sheet, 14 fixed tooth, 15 through hole, 16 mounting groove, 17 mounting screw, 18 sealing plate, 19 glass sheet, 20 mounting frame. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Embodiment 1:

[0027] Reference Figures 1-3 A packaging type thermal fuse application assembly, comprising a shell 1, a cavity 2 is formed in the center of the shell 1, and a partition plate 3 is welded at the center of the cavity 2 of the shell 1, wiring ports 5 are formed in the outer walls on both sides of the shell 1, fixing structures 6 are arranged in the wiring ports 5, and an observation assembly 7 is arranged on the top outer wall of the shell 1 at the cavity 2.

[0028] Plug-in tubes 8 are fixed between the wiring ports 5 and the cavity 2, limiting strips 9 are welded on the inner walls of the ends of the plug-in tubes 8 away from each other at equal distances, the limiting strips 9 are of "J" type structure, the limiting strips 9 in the plug-in tubes 8 fix one end of the wire harness, and the limiting strips 9 limit the wire harness in the withdrawing direction, so as to fix one end of the wire harness.

[0029] Fuse links 10 are mounted on the outer walls of the sides of the plug-in tubes 8 close to each other, and through holes 15 are formed in the center of the observation plate 4, one end of the wire harness is inserted into the plug-in tubes 8, the inner walls of the plug-in tubes 8 become smaller due to the limiting strips 9, and one end of the limiting strips 9 is inserted into the copper wire of the wire harness, so as to fix the wire harness in the shell 1.

[0030] Connecting grooves are formed in the outer walls of the other two sides of the shell 1.

[0031] The fixing structure 6 comprises a fixing groove 11 formed in the outer wall of the shell 1 on the side of the wiring port 5 and a bidirectional screw rod 12 rotatably connected in the fixing groove 11, the bidirectional screw rod 12 is rotated to make the fixing plates 13 close to each other, the fixing plates 13 clamp one end of the wire harness through the fixing teeth 14, further fixing the wire harness, and ensuring the stability of the connection;

[0032] The outer walls of both ends of the bidirectional screw rod 12 are threadedly connected with the fixing plates 13, the outer walls of the fixing plates 13 close to each other are welded with the fixing teeth 14 distributed at equal distances, the bidirectional screw rod 12 drives the fixing plates 13 to close to each other through the cross groove, and clamps one end of the wire harness through the fixing teeth 14, thereby improving the stability of the connection of the wire harness and reducing the probability of falling of the wire harness;

[0033] The outer wall of one end of the bidirectional screw rod 12 is provided with a cross groove at the top end of the shell 1, and the fixing plates 13 are slidably connected to the fixing groove 11 and the outer wall of the wiring port 5.

[0034] Embodiment 2:

[0035] Referring to Figure 1 and Figure 4 , the observation assembly 7 comprises an observation hole formed in the outer wall of the top of the shell 1, observation plates 4 installed at both sides of the partition plate 3 in the cavity 2, and a mounting groove 16 formed in the outer wall of the top of the shell 1 between the observation plates 4 and the partition plate 3;

[0036] The outer walls of the top of the shell 1 are respectively welded with mounting screws 17 at both sides of the observation plates 4, the mounting groove 16 is provided with a glass sheet 19, the outer walls of the mounting screws 17 are respectively slidably connected with sealing plates 18 and mounting frames 20, and part of smoke is generated after the fuse link 10 is fused, the smoke passes through the through holes 15 in the observation plates 4 and is displayed on the glass sheet 19, so that personnel can observe the position of the fuse link in time, positioning and maintenance are facilitated, the time for searching is shortened, and maintenance is facilitated;

[0037] The bottom outer wall of the glass sheet 19 is provided with a sealing strip at the mounting groove 16, and the outer wall of the mounting screw 17 is screwed with a nut, one end of the outer wall of the nut is in contact with the outer walls of the mounting frame 20 and the sealing plate 18, the nut on the mounting screw 17 is removed to remove the sealing plate 18 and the mounting frame 20, the fuse link 10 in the plug-in sleeve 8 is replaced, and the glass sheet 19 on one side of the observation plate 4 is cleaned, and the maintenance and replacement are completed after reinstallation.

[0038] Working principle: when using, one end of the wire harness to be connected at both ends of the shell 1 is inserted into the wire connection port 5 at both ends of the shell 1, one end of the wire harness is inserted into the plug-in barrel 8, the inner wall of the plug-in barrel 8 is changed from large to small by the limiting strip 9, one end of the limiting strip 9 is inserted into the copper wire of the wire harness, the wire harness is fixed in the shell 1, the cross slot at the top of the bidirectional screw rod 12 is rotated by using the tool, the fixed sheet 13 is close to each other after the bidirectional screw rod 12 is rotated, the fixed sheet 13 clamps one end of the wire harness through the fixed tooth 14, further fixes the wire harness, ensures the stability of the connection, after being put into use, the wire harness is communicated with the fuse link 10 through the plug-in barrel 8, if the fuse link 10 is overheated and fused, part of smoke is generated when fusing, the smoke enters the position between the observation plate 4 and the partition plate 3 through the through hole 15 on the observation plate 4, and is observed by the person through the glass sheet 19, the nut on the mounting screw 17 is removed, the sealing plate 18 and the mounting frame 20 are removed, the fuse link 10 in the plug-in barrel 8 is replaced, and the glass sheet 19 on one side of the observation plate 4 is cleaned, and the repair and replacement are completed after being reinstalled.

[0039] The exemplary embodiments of the present application are described in detail in the embodiments with reference to the drawings. However, it is understood by those skilled in the art that various modifications and changes can be made to the above-described embodiments without departing from the spirit of the present application, and various combinations of the technical features and structures of the present application can be made without departing from the scope of the present application, and the scope of the present application is determined by the appended claims. The foregoing description of the specific exemplary embodiments of the present application is not intended to limit the present application to the precise forms disclosed, and it is apparent that many modifications and changes can be made to the above-described embodiments in light of the above teachings. The exemplary embodiments are selected and described for the purpose of explaining the specific principles of the present application and its practical application, so that those skilled in the art can implement and utilize various different exemplary embodiments of the present application and various different selections and changes. The scope of the present application is intended to be limited by the claims and their equivalents.

Claims

1. A packaged thermal fuse application assembly comprising a housing (1), characterized in that, The housing (1) has a cavity (2) at its center, and a partition plate (3) is welded to the housing (1) at the center of the cavity (2). Both sides of the outer wall of the housing (1) have wiring ports (5), and a fixing structure (6) is provided in the wiring ports (5). The top outer wall of the housing (1) is provided with an observation component (7) at the cavity (2). The fixing structure (6) includes a fixing groove (11) opened on the outer wall of the housing (1) on the side of the wiring port (5) and a bidirectional screw (12) rotatably connected in the fixing groove (11); The observation assembly (7) includes an observation hole on the top outer wall of the housing (1), an observation plate (4) installed on both sides of the partition plate (3) in the cavity (2), and a mounting groove (16) on the top outer wall of the housing (1) between the observation plate (4) and the partition plate (3).

2. A packaged thermal fuse application assembly according to claim 1, wherein, A plug-in tube (8) is fixed between the wiring port (5) and the cavity (2), and the inner wall of the plug-in tube (8) at the opposite ends is welded with equally spaced limiting strips (9), which are "J" shaped.

3. A packaged thermal fuse application assembly according to claim 1, wherein, Both ends of the bidirectional screw (12) are threaded with fixing plates (13), and the outer walls of the fixing plates (13) are welded with equally spaced fixing teeth (14) on the outer walls of the sides close to each other.

4. The encapsulated thermal fuse application module of claim 1, wherein, The outer wall of one end of the bidirectional screw (12) is provided with a cross groove at the top of the housing (1), and the fixing plate (13) is slidably connected to the outer wall of the fixing groove (11) and the wiring port (5).

5. The encapsulated thermal fuse application assembly of claim 1, wherein, The top outer wall of the housing (1) is welded with mounting screws (17) on both sides of the observation plate (4), and a glass plate (19) is placed in the mounting groove (16). The outer wall of the mounting screws (17) is slidably connected with a sealing plate (18) and a mounting frame (20).

6. A packaged thermal fuse application assembly according to claim 5, wherein, The bottom outer wall of the glass plate (19) is provided with a sealing strip at the mounting groove (16), and the outer wall of the mounting screw (17) is screwed with a nut, one end of the outer wall of the nut is in contact with the outer wall of the mounting frame (20) and the sealing plate (18).

7. A packaged thermal fuse application assembly according to claim 2, wherein, The plug-in cylinders (8) are fitted with fuses (10) on their outer walls close to each other, and the observation plate (4) has a through hole (15) at its center.

8. The encapsulated thermal fuse application assembly of claim 1, wherein, The outer walls of the shell (1) are provided with connecting grooves on the other two sides.

Images