CN216120183U

CN216120183U - Ceramic fuse tube for automobile lighting equipment line

Info

Publication number: CN216120183U
Application number: CN202122571038.2U
Authority: CN
Inventors: 何济; 大嶋昭久; 张元江
Original assignee: Tianyu Peak Electronics Huizhou Co ltd
Current assignee: Tianyu Peak Electronics Huizhou Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-22
Anticipated expiration: 2031-10-25

Abstract

The utility model belongs to the technical field of protective tubes, and discloses a ceramic protective tube for an automobile lighting device circuit. When the fuse wire in the fuse tube body is fused, the fuse tube body can emit more heat and further conduct the heat to the sealing tube, at the moment, gas in the sealing tube is compressed and expands to drive the piston plate and the movable column to move, when the piston plate moves to the outer side of the sealing tube, the gas in the sealing tube can be discharged from the air release hole, at the moment, the right end of the fuse tube body is not fixed any more, the metal block at the left end of the fuse tube body can automatically fall out of the insulating tube, and at the moment, the whole fuse tube body can automatically pop out, so that the advantage of automatic popping out after fusing is achieved.

Description

Ceramic fuse tube for automobile lighting equipment line

Technical Field

The utility model belongs to the technical field of protective tubes, and particularly relates to a ceramic protective tube for an automobile lighting equipment circuit.

Background

The automobile lighting system is one of the necessary systems for the safe driving of an automobile, and mainly comprises an external lighting lamp, an internal lighting lamp, an external signal lamp, an internal signal lamp and the like, wherein the lighting lamp of the automobile is mainly divided into a halogen lamp, a xenon lamp and an LED lamp, the three lamps are connected with a circuit, and a protective tube is generally arranged in the circuit to disconnect the circuit in order to prevent the circuit from short-circuiting and damaging headlights or other parts.

The fuse tube used at present mainly comprises a disposable fuse tube and a recoverable fuse tube, wherein the disposable fuse tube is most widely applied and is classified according to shell materials, the shell materials of the disposable fuse tube are mainly glass and ceramic, the fuse tube made of the glass material can conveniently observe the fusing condition of an internal fuse, but the explosion-proof performance is poor, the ceramic fuse tube is good in explosion-proof performance but poor in transparency, the ceramic fuse tube is widely applied in an automobile lighting system, when the fuse tube is fused, the fuse tube needs to be disassembled, the fuse tube is disassembled by using a special tool at present, the function of automatically ejecting the fuse tube cannot be achieved, meanwhile, welding or special fixing is needed when the fuse tube is installed, and quick replacement cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a ceramic fuse tube for an automobile lighting equipment line, which has the advantages of automatic ejection after fusing and convenient installation.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a ceramic protective tube for automotive lighting equipment circuit, includes the protective tube body, the lateral surface of protective tube body is equipped with the fixing base, the equal fixed mounting in the left and right sides of fixing base inner chamber has the insulating tube, both ends all are equipped with the metal block about the protective tube body, are located the left end fixed connection of left metal block and protective tube body, the right-hand member fixed mounting of protective tube body has the sealed tube, the inside movable mounting of sealed tube has the piston board, the right-hand member fixed mounting of piston board has movable post, the one end of movable post and the metal block fixed connection who is located the right side.

According to the preferred technical scheme of the ceramic fuse tube for the automobile lighting equipment circuit, a fixed frame is fixedly mounted at the right end of a sealing tube, the fixed frame is movably clamped with a movable column, and a reset spring is movably sleeved on the outer side surface of the movable column.

As the preferred technical proposal of the ceramic fuse tube for the automobile lighting equipment circuit, the upper end and the lower end of the reset spring are respectively and fixedly connected with the bottom end of the inner cavity of the fixed frame and the top end of the piston plate, the sealing tube is filled with conductive gas, the upper end and the lower end of the outer side surface of the sealing tube, which are close to the top end, are provided with air release holes, when a fuse in the fuse tube body is fused, the body of the protective tube can emit more heat to be conducted to the sealing tube, at the moment, the gas in the sealing tube is compressed and expands to drive the piston plate and the movable column to displace, when the piston plate is displaced to the outer side of the sealing tube, the gas in the sealing tube can be discharged from the air leakage hole, and the right end of the safety tube body is not fixed any more, and the metal block at the left end of the fuse tube body can automatically fall off from the insulating tube, and the whole fuse tube body can be automatically ejected at the moment.

The ceramic fuse tube for the automobile lighting equipment line is preferably characterized in that the metal block is movably sleeved with the insulating tube, a limiting spring is fixedly mounted at the bottom end of the inner cavity of the insulating tube on the right side, a metal movable plate is fixedly mounted at one end of the limiting spring, the metal block on the right side is in contact with the metal movable plate, the metal block at one end of the fuse tube body is inserted into the insulating tube on the right side and applies pressure to the insulating tube on the right side, the limiting spring on the right side of the metal movable plate is compressed immediately and drives the metal movable plate to displace towards the right side, the whole fuse tube body can displace towards the right side, the metal block on the left side and the insulating tube on the left side correspond to each other, and the metal block on the left side can be driven to be inserted into the insulating tube on the left side to complete fixation by loosening the fuse tube body.

According to the preferred technical scheme of the ceramic fuse tube for the automobile lighting equipment circuit, the left side and the right side of the bottom end of the fixed seat are both fixedly provided with the ear plates, and the left end and the right end of the fixed seat are both fixedly provided with the binding posts.

According to the preferred technical scheme of the ceramic fuse tube for the automobile lighting equipment circuit, the left side and the right side of the top end of the fixed seat are respectively provided with the sliding groove, the top end of each sliding groove is symmetrically and movably provided with the glass plate positioned above the fuse tube body, when the fuse tube body needs to be installed, the lug plates fixed on the fixed seat can be used for being fixed with the circuit board and connected with the circuit through the wiring terminals, and the glass plate above the fixed seat can be slid to drive the glass plate to block the fuse tube body, so that ceramic is prevented from being broken.

Compared with the prior art, the utility model has the following beneficial effects:

1. the outer side surface of the fuse tube body is provided with the fixing seat, the inner side surface of the fixing seat is fixedly provided with the insulating tube, the two ends of the fuse tube body are provided with the metal blocks and are in contact with the fixing seat, when a fuse in the fuse tube body is fused, the fuse tube body can emit more heat and then is conducted to the sealing tube, at the moment, gas in the sealing tube is compressed and expands to drive the piston plate and the movable column to move, when the piston plate moves to the outer side of the sealing tube, the gas in the sealing tube can be exhausted from the air leakage hole, at the moment, the right end of the fuse tube body is not fixed, the metal block at the left end of the fuse tube body can automatically fall out of the insulating tube, at the moment, the whole fuse tube body can automatically pop out, and the advantage of automatic popping out after fusing is achieved.

2. In the utility model, the insulating tubes are fixed on the two sides of the inner cavity of the fixed seat, and the limiting spring and the metal movable plate are fixed in the right insulating tube, when the fuse body needs to be installed, the ear plate fixed on the fixed seat can be fixed with the circuit board and connected with the circuit through the wiring terminal, at the same time, the metal block at one end of the protective tube body is inserted into the insulating tube at the right side and applies pressure to the insulating tube at the right side, at the moment, the limiting spring at the right side of the metal movable plate is compressed by force and drives the metal movable plate to displace towards the right side, at the moment, the whole protective tube body can displace towards the right side, and correspond between left metal block and the left insulating tube, loosen the protective tube body and can drive left metal block to insert the inside completion of left insulating tube and fix to the advantage of having realized the easy to assemble protective tube.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the fixing base of the present invention;

FIG. 3 is a sectional view of a portion of the holder of the present invention;

FIG. 4 is a sectional view showing the inner structure of the sealing tube according to the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 3.

In the figure: 1. a fuse body; 2. a fixed seat; 3. a chute; 4. a glass plate; 5. an ear plate; 6. a binding post; 7. an insulating tube; 8. a metal movable plate; 9. a limiting spring; 10. a metal block; 11. a sealing tube; 12. a piston plate; 13. a fixed mount; 14. a movable post; 15. a return spring; 16. and air leakage holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 2 and 4, the utility model provides a ceramic fuse tube for an automobile lighting device circuit, which comprises a fuse tube body 1, wherein a fixed seat 2 is arranged on the outer side surface of the fuse tube body 1, an insulating tube 7 is fixedly arranged on the left side and the right side of the inner cavity of the fixed seat 2, metal blocks 10 are arranged on the left end and the right end of the fuse tube body 1, the metal block 10 positioned on the left side is fixedly connected with the left end of the fuse tube body 1, a sealing tube 11 is fixedly arranged on the right end of the fuse tube body 1, a piston plate 12 is movably arranged in the sealing tube 11, a movable column 14 is fixedly arranged on the right end of the piston plate 12, one end of the movable column 14 is fixedly connected with the metal block 10 positioned on the right side, a fixed frame 13 is fixedly arranged on the right end of the sealing tube 11, the fixed frame 13 is movably clamped with the movable column 14, a return spring 15 is movably sleeved on the outer side surface of the movable column 14, and the upper end and the lower end of the return spring 15 are respectively fixedly connected with the bottom end of the inner cavity of the fixed frame 13 and the top end of the piston plate 12, the inside packing of sealed tube 11 has conductive gas, leak hole 16 has all been seted up at the upper and lower both ends that 11 lateral surfaces of sealed tube are close to the top, when fusing took place for the fuse of 1 inside of protective tube body, protective tube body 1 can give out more heat and then conduct to 11 departments of sealed tube, 11 inside gas of sealed tube is compressed promptly and produces the displacement that the inflation drove piston board 12 and activity post 14 this moment, when 12 displacements of piston board to the outside of sealed

tube

11, 16 departments of leaking gas can be followed to 11 inside gas of sealed tube and discharged, the right-hand member of protective tube body 1 is no longer fixed this moment, and the metal block 10 that is located 1 left end of protective tube body can deviate from insulating tube 7 voluntarily, whole protective tube body 1 can pop out automatically this moment.

As shown in fig. 3 and 5, the metal block 10 is movably sleeved with the insulating tube 7, the bottom end of the inner cavity of the insulating tube 7 on the right side is fixedly provided with a limiting spring 9, one end of the limiting spring 9 is fixedly provided with a metal movable plate 8, the metal block 10 on the right side is contacted with the metal movable plate 8, the metal block 10 on one end of the fuse tube body 1 is inserted into the insulating tube 7 on the right side and applies pressure to the insulating tube 7 on the right side, at this time, the limiting spring 9 on the right side of the metal movable plate 8 is stressed and compressed immediately and drives the metal movable plate 8 to displace towards the right side, at this time, the whole fuse tube body 1 can displace towards the right side, the metal block 10 on the left side is corresponding to the insulating tube 7 on the left side, and the fuse tube body 1 is released to drive the metal block 10 on the left side to be inserted into the insulating tube 7 on the left side to complete fixation.

As shown in fig. 1 and 2, the equal fixed mounting in the left and right sides of 2 bottoms of fixing base has otic placode 5, the equal fixed mounting in both ends has terminal 6 about 2, spout 3 has all been seted up to the left and right sides on 2 tops of fixing base, the top symmetry movable mounting of spout 3 has glass board 4 that is located the 1 top of protective tube body, when needing to install this protective tube body 1, fix between otic placode 5 and the circuit board of fixing on usable fixing base 2, and be connected between terminal 6 and the circuit, and glass board 4 drive glass board 4 of 2 tops of slidable fixing base stops protective tube body 1, prevent that the pottery is broken.

The working principle and the using process of the utility model are as follows:

when the fuse tube body 1 needs to be installed, the lug plate 5 fixed on the fixed seat 2 can be fixed with the circuit board and is connected with the circuit through the binding post 6, meanwhile, the metal block 10 at one end of the fuse tube body 1 is inserted into the insulating tube at the right side and applies pressure to the insulating tube at the right side, at the moment, the limiting spring 9 at the right side of the metal movable plate 8 is stressed and compressed immediately and drives the metal movable plate 8 to displace towards the right side, at the moment, the whole fuse tube body 1 can displace towards the right side, the metal block 10 at the left side corresponds to the insulating tube 7 at the left side, the fuse tube body 1 can be loosened to drive the metal block 10 at the left side to be inserted into the insulating tube 7 at the left side to complete fixation, the glass plate 4 above the slidable fixed seat 2 drives the glass plate 4 to block the fuse tube body 1 to prevent ceramic from being broken, when a fuse wire inside the fuse tube body 1 is fused, more heat and then conduction to sealed tube 11 department can be distributed out to the

protective tube body

1, 11 inside gas of sealed tube is compressed and produce the displacement that the inflation drove piston board 12 and activity post 14 this moment, when piston board 12 displacement to the outside of sealed

tube

11, 16 departments of disappointing can be followed to 11 inside gas of sealed tube and discharged, the right-hand member of protective tube body 1 just is no longer fixed this moment, and the metal block 10 that is located 1 left end of protective tube body can deviate from insulating tube 7 automatically, whole protective tube body 1 can pop out automatically this moment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ceramic fuse for automotive lighting equipment circuit, includes fuse body (1), its characterized in that: the lateral surface of protective tube body (1) is equipped with fixing base (2), the equal fixed mounting in the left and right sides of fixing base (2) inner chamber has insulating tube (7), both ends all are equipped with metal block (10) about protective tube body (1), are located the left side the left end fixed connection of metal block (10) and protective tube body (1), the right-hand member fixed mounting of protective tube body (1) has sealed tube (11), the inside movable mounting of sealed tube (11) has piston board (12), the right-hand member fixed mounting of piston board (12) has movable post (14), the one end of movable post (14) and metal block (10) fixed connection who is located the right side.

2. The ceramic fuse tube for the automotive lighting device circuit according to claim 1, characterized in that: the right-hand member fixed mounting of sealed tube (11) has mount (13), the activity joint between mount (13) and activity post (14), reset spring (15) have been cup jointed in the lateral surface activity of activity post (14).

3. The ceramic fuse tube for the automotive lighting device circuit according to claim 2, characterized in that: the upper and lower both ends of reset spring (15) respectively with the bottom of mount (13) inner chamber and the top fixed connection of piston plate (12), the inside packing of sealed tube (11) has conductive gas, leak heart hole (16) have all been seted up at the upper and lower both ends that sealed tube (11) lateral surface is close to the top.

4. The ceramic fuse tube for the automotive lighting device circuit according to claim 1, characterized in that: the movable sleeve joint between metal block (10) and insulating tube (7), be located the right side the bottom fixed mounting of insulating tube (7) inner chamber has spacing spring (9), the one end fixed mounting of spacing spring (9) has metal fly leaf (8), is located the right side contact between metal block (10) and metal fly leaf (8).

5. The ceramic fuse tube for the automotive lighting device circuit according to claim 1, characterized in that: the equal fixed mounting in the left and right sides of fixing base (2) bottom has otic placode (5), the equal fixed mounting in both ends has terminal (6) about fixing base (2).

6. The ceramic fuse tube for the automotive lighting device circuit according to claim 1, characterized in that: the left and right sides on fixing base (2) top has all seted up spout (3), the top symmetry movable mounting of spout (3) has glass board (4) that are located protective tube body (1) top.