CN214898316U

CN214898316U - Anti-surge double-cap protective tube

Info

Publication number: CN214898316U
Application number: CN202121589780.XU
Authority: CN
Inventors: 廖虹
Original assignee: Dongguan Aoxisi Electronic Technology Co ltd
Current assignee: Dongguan Aoxisi Electronic Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-11-26
Anticipated expiration: 2031-07-13

Abstract

The utility model belongs to the technical field of the protective tube, and an anti surge double cap protective tube is disclosed, including the glass pipe, the equal joint in both ends has interior cap about the glass pipe, the surperficial swing joint of interior cap has the end cap, the one end fixed mounting that the glass pipe center was kept away from to the end cap has the lead wire, the inner chamber of glass pipe is provided with the fuse, the spout has been seted up to the inner wall of end cap. The utility model discloses a top of cap sets up the slider in, when rotatory end cap, make the end cap drive the spout and rotate, when the slider is rotatory to the horizontal end of spout, can stretch the end cap, make the end cap stretch on the surface of inner cap, thereby can change the glass pipe, the length value sum of inner cap and end cap, make the glass pipe, the length value sum of inner cap and end cap can satisfy the size of different specification mounted positions, the user is when purchasing the device, the multiple replacement condition of turning back because of buying wrong specification can not appear, user's use experience has been improved.

Description

Anti-surge double-cap protective tube

Technical Field

The utility model belongs to the technical field of the protective tube, specifically an anti surge double cap protective tube.

Background

The surge current is a peak current or an overload current which is generated at the moment of power-on or under the abnormal condition of a circuit and is far greater than a steady-state current, and when the surge current is generated, the circuit may be burnt out, so an anti-surge double-cap fuse tube is usually arranged in the circuit.

Current anti-surge double cap protective tube is when using, most direct mount goes out at the protective tube mounted position, but current anti-surge double cap protective tube has two kinds of length difference of twenty millimeters and thirty millimeters mostly, after anti-surge double cap protective tube burns out, the user is when purchasing anti-surge double cap protective tube, the wrong condition of purchasing specification can appear, lead to anti-surge double cap protective tube can not normally install and use at the mounted position, still need operating personnel to turn back many times and purchase, user's use experience has been reduced.

Current anti surge double cap protective tube is when production, and most direct adoption is fixed the fuse in the inner wall of interior cap, makes fuse and interior cap be the integral type structure, nevertheless after production, often need carry out quality testing to the anti surge double cap protective tube that finishes of production, when appearing because the fuse quality is unqualified leads to the unable normal use of device, can't carry out solitary disassembly change to the fuse mostly, leads to the waste of production resource, has increased the manufacturing cost of device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides an anti surge double cap protective tube has the use that has improved the user and experiences, has reduced the manufacturing cost's of device advantage.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-surge double-cap protective tube comprises a glass tube, inner caps are clamped at the left end and the right end of the glass tube, end caps are movably connected to the surfaces of the inner caps, a lead is fixedly mounted at one end, away from the center of the glass tube, of each end cap, the lead is made of a galvanized copper wire, the fuse is made of an alloy wire, a fuse wire is arranged in an inner cavity of the glass tube, the left end and the right end of the lead are respectively and fixedly mounted at mounting positions to enable the device to be communicated with a circuit, after the circuit is electrified, current is transmitted into the inner caps sequentially through the lead at one end and the end caps and then is transmitted to the fuse wire through the inner caps and a connecting plate, the fuse wire transmits the current to the lead at the other end, when the circuit is short-circuited, the fuse wire is broken when being heated, the inside of the device is in an open circuit state, the whole circuit is powered off, so that the safety of the circuit is ensured, and a chute is formed in the inner wall of each end cap, the upper side and the lower side of one end, far away from the center of the glass tube, of the inner cap are fixedly provided with sliding blocks, one surface, far away from the center of the glass tube, of the inner cavity of the end cap is fixedly provided with a metal conductive spring, and the other end of the metal conductive spring is fixedly provided with a contact plate.

As a preferred technical scheme of the utility model, the equal fixed mounting in both ends has the board of even electricity about the fuse, the lateral wall fixed mounting who links the board has the magnetism ring, magnetism ring swing joint is in the inner chamber of interior cap, links the magnetism ring of board lateral wall installation, can adsorb the magnetism ring on the inner wall of interior cap to when the device circular telegram, can make the electric current pass through smoothly on the board gets into the fuse.

As an optimal technical scheme of the utility model, the shape of spout is "U" font, slider swing joint is in the inner chamber of spout, and rotatory end cap makes the end cap drive the spout and rotates, when the slider is rotatory to the horizontal end of spout, can stretch the end cap, makes the end cap stretch on the surface of interior cap to can change the length value sum of glass pipe, interior cap and end cap.

As a preferred technical scheme of the utility model, the diameter value of contact plate equals the diameter value of end cap inner chamber, the contact plate is close to the one side at glass pipe center and interior cap laminating, and metal conductive spring's magnetism can drive the contact plate all the time with interior cap laminating, has guaranteed that interior cap can be smooth to carry out the circular telegram, avoids the device to produce the disconnection.

As an optimal technical scheme of the utility model, glass pipe, interior cap and end cap are the pipe form, both ends contact about the one end at glass pipe center and the doing of glass pipe are kept away from to interior cap inner chamber, and the material of interior cap, end cap, metal conductive spring, contact plate and even electroplax is brass surface nickel plating, has good electric conductivity.

As a preferred technical scheme of the utility model, the diameter value of magnetism ring equals the diameter value of glass pipe inner chamber, the one end that glass pipe was kept away from to the magnetism ring is laminated with the one end that the glass pipe center was kept away from to the inner cap, prescribes a limit to the position of magnetism ring through the glass pipe, avoids the magnetism ring to take place the displacement, has guaranteed the absorptive stability of magnetism ring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a top of cap sets up the slider in, when rotatory end cap, make the end cap drive the spout and rotate, when the slider is rotatory to the horizontal end of spout, can stretch the end cap, make the end cap stretch on the surface of inner cap, thereby can change the glass pipe, the length value sum of inner cap and end cap, make the glass pipe, the length value sum of inner cap and end cap can satisfy the size of different specification mounted positions, the user is when purchasing the device, the multiple replacement condition of turning back because of buying wrong specification can not appear, user's use experience has been improved.

2. The utility model discloses a two even electroplax with the fuse about both ends respectively with two interior cap electric connection, and the magnetism ring of even electroplax lateral wall installation, can adsorb even the electroplax on the inner wall of interior cap, when needs are changed the fuse, only need pull out two interior caps from both ends about the glass pipe, then pull two interior caps, make and pull the power of effect on even electroplax and be greater than the magnetic force that the magnetism ring adsorbs on interior cap inner wall, can dismantle the fuse and change, the waste of production resource has been avoided, the manufacturing cost of device has been reduced.

Drawings

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

FIG. 2 is a schematic sectional view of the glass tube of the present invention;

fig. 3 is an explosion connection schematic diagram of the structural contact plate of the present invention;

fig. 4 is an enlarged schematic view of a position a in the structure diagram 3 of the present invention.

In the figure: 1. a glass tube; 2. an inner cap; 3. an end cap; 4. a lead wire; 5. a fuse; 6. a chute; 7. a slider; 8. a metal conductive spring; 9. a contact plate; 10. a magnetic ring; 11. and a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 4, the utility model provides an anti-surge double-cap protective tube, which comprises a glass tube 1, an inner cap 2 is clamped at the left end and the right end of the glass tube 1, an end cap 3 is movably connected on the surface of the inner cap 2, a lead 4 is fixedly arranged at one end of the end cap 3 far away from the center of the glass tube 1, the lead 4 is made of a galvanized copper wire, the fuse 5 is made of an alloy wire, a fuse wire 5 is arranged in the inner cavity of the glass tube 1, the left end and the right end of the lead 4 are respectively fixedly arranged at the installation position, so that the device is communicated with a circuit, after the circuit is electrified, current is transmitted into the inner cap 2 through the lead 4 and the end cap 3 at one end and then transmitted onto the fuse wire 5 through the inner cap 2 and a connecting plate 11, so that the fuse wire 5 transmits the current onto the lead 4 at the other end, when the circuit is short-circuited, the fuse wire 5 is broken when the circuit is heated, the inner part of the device is in an open circuit state, the whole circuit is powered off, thereby guarantee the safety of circuit, spout 6 has been seted up to the inner wall of end cap 3, and the equal fixed mounting in upper and lower both sides that glass pipe 1 center one end was kept away from to interior cap 2 has slider 7, and the one side fixed mounting that glass pipe 1 center was kept away from to 3 inner chambers of end cap has metal conductive spring 8, and metal conductive spring 8's other end fixed mounting has contact plate 9.

Wherein, fuse 5's the equal fixed mounting in both ends of controlling has even electroplax 11, and even electroplax 11's lateral wall fixed mounting has magnetism ring 10, and magnetism ring 10 swing joint is in the inner chamber of interior cap 2, and magnetism ring 10 of even electroplax 11 lateral wall installation can adsorb magnetism ring 10 on the inner wall of interior cap 2 to when the device circular telegram, can make the electric current pass through even electroplax 11 smoothly and get into on the fuse 5.

Wherein, the shape of spout 6 is "U" font, and slider 7 swing joint is in the inner chamber of spout 6, and rotatory end cap 3 makes end cap 3 drive spout 6 rotate, when slider 7 rotates to the horizontal end of spout 6, can stretch end cap 3, makes end cap 3 stretch on the surface of interior cap 2 to can change the length value sum of glass pipe 1, interior cap 2 and end cap 3.

Wherein, the diameter value of contact plate 9 equals the diameter value of the inner chamber of end cap 3, and the contact plate 9 is close to the one side at glass pipe 1 center and interior cap 2 laminating, and metal conductive spring 8's magnetism can drive contact plate 9 and laminate with interior cap 2 all the time, has guaranteed that interior cap 2 can be smooth to switch on, avoids the device to produce and opens circuit.

The glass tube 1, the inner cap 2 and the end cap 3 are all in a circular tube shape, one end of the inner cavity of the inner cap 2, which is far away from the center of the glass tube 1, is in contact with the left end and the right end of the glass tube 1, and the inner cap 2, the end cap 3, the metal conductive spring 8, the contact plate 9 and the connecting plate 11 are all made of brass surface nickel plating and have good conductivity.

Wherein, the diameter value of magnetism ring 10 equals the diameter value of 1 inner chamber of glass pipe, and the one end that glass pipe 1 was kept away from to magnetism ring 10 and the one end laminating of glass pipe 1 center is kept away from to interior cap 2, prescribes a limit to the position of magnetism ring 10 through glass pipe 1, avoids magnetism ring 10 to take place the displacement, has guaranteed the absorptive stability of magnetism ring 10.

The utility model discloses a theory of operation and use flow:

when the fuse is used, the left end and the right end of the lead 4 are respectively fixedly arranged at the installation positions, so that the device is communicated with a circuit, after the circuit is electrified, current is transmitted into the inner cap 2 through the lead 4 and the end cap 3 at one end in sequence, and then is transmitted onto the fuse 5 through the inner cap 2 and the connecting plate 11, so that the fuse 5 transmits the current onto the lead 4 at the other end, when the circuit is short-circuited, the fuse 5 is heated and broken, the internal part of the device is in a circuit breaking state, and the whole circuit is powered off, so that the safety of the circuit is ensured;

when the device needs to be installed, the end cap 3 can be rotated, so that the end cap 3 drives the chute 6 to rotate, and when the slide block 7 rotates to the horizontal end of the chute 6, the end cap 3 can be stretched, so that the end cap 3 is stretched on the surface of the inner cap 2, the sum of the length values of the glass tube 1, the inner cap 2 and the end cap 3 can be changed, and the device can be better installed at installation positions with different specifications;

when the lengths of the glass tube 1, the inner cap 2 and the end cap 3 are determined, the end cap 3 is rotated reversely, the sliding block 7 is positioned in the arc end at the other end of the sliding groove 6, so that the inner cap 2 and the end cap 3 are locked, and the device can be directly installed at an installation position;

when the device is used normally due to quality problems caused by quality inspection of the fuse wire 5 after production, one inner cap 2 is pulled out from the left end of the glass tube 1, after the inner cap 2 at the left end is pulled out, the inner cap 2 at the left end is pulled leftwards, so that the magnetic force between the magnetic ring 10 and the inner cap 2 is smaller than the force generated by pulling, at the moment, the inner cap 2 at the left end can be separated from the fuse wire 5, then the glass tube 1 is pulled out from the inner cap 2 at the right end, then the fuse wire 5 is pulled leftwards, so that the magnetic force between the magnetic ring 10 at the right end of the fuse wire 5 and the inner cap 2 at the right end is smaller than the pulling force, and the damaged fuse wire 5 can be taken out from the device;

when a new fuse wire 5 is installed, a glass tube 1 is firstly inserted into the inner cavity of one inner cap 2, then a magnetic ring 10 and a connecting plate 11 at the left end of the new fuse wire 5 are placed in the inner cavity of the other inner cap 2, the magnetic ring 10 is adsorbed in the inner cavity of the inner cap 2, then the other end of the fuse wire 5 is vertically placed in the inner cavity of the glass tube 1, the magnetic ring 10 and the connecting plate 11 at the other end of the fuse wire 5 enter the inner cavity of the other inner cap 2 under the guidance of the glass tube 1, then the inner cap 2 clamped on the glass tube 1 is clamped at the other end of the glass tube 1, after the clamping is finished, the magnetic ring 10 at the other end of the fuse wire 5 is contacted with the inner wall of the inner cap 2, and the magnetic ring 10 is adsorbed on the inner wall of the inner cap 2, so that the installation is realized.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti surge double cap protective tube, includes glass pipe (1), its characterized in that: the utility model discloses a glass manages (1), including glass pipe (1), inner cap (2) are all connected to the equal joint in both ends about, the surperficial swing joint of inner cap (2) has end cap (3), the one end fixed mounting at glass pipe (1) center is kept away from in end cap (3) has lead wire (4), the inner chamber of glass pipe (1) is provided with fuse (5), spout (6) have been seted up to the inner wall of end cap (3), the equal fixed mounting in upper and lower both sides of glass pipe (1) center one end has slider (7) is kept away from in inner cap (2), the one side fixed mounting that glass pipe (1) center was kept away from in end cap (3) inner chamber has metal conductive spring (8), the other end fixed mounting of metal conductive spring (8) has contact plate (9).

2. The surge-resistant double-cap protective tube according to claim 1, wherein: the fuse wire is characterized in that the left end and the right end of the fuse wire (5) are fixedly provided with a connecting electric plate (11), the side wall of the connecting electric plate (11) is fixedly provided with a magnetic ring (10), and the magnetic ring (10) is movably connected into the inner cavity of the inner cap (2).

3. The surge-resistant double-cap protective tube according to claim 1, wherein: the sliding groove (6) is U-shaped, and the sliding block (7) is movably connected in the inner cavity of the sliding groove (6).

4. The surge-resistant double-cap protective tube according to claim 1, wherein: the diameter value of contact plate (9) equals the diameter value of end cap (3) inner chamber, one side that contact plate (9) are close to glass pipe (1) center is laminated with interior cap (2).

5. The surge-resistant double-cap protective tube according to claim 1, wherein: the glass tube (1), the inner cap (2) and the end cap (3) are all in a circular tube shape, and one end of the inner cavity of the inner cap (2) far away from the center of the glass tube (1) is in contact with the left end and the right end of the glass tube (1).

6. The surge-resistant double-cap protective tube according to claim 2, wherein: the diameter value of magnetism ring (10) equals the diameter value of glass pipe (1) inner chamber, the one end that glass pipe (1) was kept away from in magnetism ring (10) is laminated with the one end that glass pipe (1) center was kept away from in interior cap (2).