CN211150504U

CN211150504U - Ceramic gas discharge tube

Info

Publication number: CN211150504U
Application number: CN201922353857.2U
Authority: CN
Inventors: 祝连国
Original assignee: Suzhou Lianfei Guoyao Electronic Technology Co ltd
Current assignee: Suzhou Lianfei Guoyao Electronic Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-07-31
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a pottery gas discharge tube, including ceramic tube, the equal fixed mounting in both ends tip of ceramic tube has plastic sleeve, the equal spiro union in plastic sleeve has cylindrical electrode, ceramic tube's inside is packaged with inert gas, just still be equipped with the governing valve on ceramic tube's the lateral wall. The utility model discloses, the equipment is more convenient, can effectively improve its production efficiency, utilize plastic sleeve to separate cylindrical electrode and ceramic tube simultaneously, can effectively avoid bumping ceramic tube when installing cylindrical electrode and splitting and damaging, and then effectively improve this ceramic gas discharge tube's production yield, inside volume can change, the inside volume increase of ceramic tube can alleviate the abnormal load who causes for ceramic tube because of the sudden grow of ceramic tube internal pressure, thereby avoid the phenomenon that this ceramic gas discharge tube explodes, and then make this ceramic gas discharge tube security performance better, the protective properties is better.

Description

Ceramic gas discharge tube

Technical Field

The utility model relates to a discharge tube technical field specifically is a ceramic gas discharge tube.

Background

The gas discharge tube is used as a lightning protection tube or an antenna switch tube for overvoltage protection, and two or more electrodes filled with a certain amount of inert gas are arranged in the tube. The gas discharge tube is a gap type lightning protection element, and is used for lightning protection of a communication system. A ceramic gas discharge tube is a commonly used type of gas discharge tube.

However, the existing ceramic gas discharge tube is inconvenient to assemble, seriously affects the production efficiency thereof, and particularly, when the electrode and the ceramic tube are assembled, the electrode and the ceramic tube are easily damaged due to collision, thereby affecting the production yield of the ceramic gas discharge tube.

To this end, a ceramic gas discharge tube is proposed which solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pottery gas discharge tube, it is more convenient to assemble, can effectively improve its production efficiency, utilize the plastic sleeve to separate cylindrical electrode and ceramic pipe simultaneously, can effectively avoid bumping ceramic pipe when installing cylindrical electrode and splitting and damaging, and then effectively improve this pottery gas discharge tube's production yield, inside volume can change, the inside volume increase of ceramic pipe can alleviate the abnormal load who causes for ceramic pipe because of the sudden grow of ceramic pipe internal pressure, thereby avoid this pottery gas discharge tube to explode the phenomenon, and then make this pottery gas discharge tube security performance better, protective properties is better, in order to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a ceramic gas discharge tube comprises a ceramic tube, wherein plastic sleeves are fixedly mounted at the end parts of two ends of the ceramic tube, cylindrical electrodes are screwed in the plastic sleeves, inert gas is packaged in the ceramic tube, and a regulating valve is further arranged on the side wall of the ceramic tube;

the governing valve includes cylindrical casing, spring holder, spring and piston, the one end of cylindrical casing is the open end, just the other end of cylindrical casing is the blind end, the open end of cylindrical casing with the fixed and sealing connection of lateral wall of ceramic pipe, just the open end of cylindrical casing with the inside of ceramic pipe is linked together, the blind end of cylindrical casing extends to the lateral wall of ceramic pipe is outside, the spring holder fixed mounting be in on the blind end inner wall of cylindrical casing, spring fixed mounting be in the spring holder orientation on a side of cylindrical casing open end, piston fixed mounting be in the spring dorsad the one end tip of spring holder, just the side of piston with the laminating of the inner wall of cylindrical casing.

Preferably, the end part of one end of the cylindrical electrode, which is back to the central point of the ceramic tube, is also fixedly provided with an assembling seat, and a groove is reserved in the middle on one side surface of the assembling seat, which is back to the cylindrical electrode.

Preferably, an annular baffle is integrally arranged outside the end part of one end of the plastic sleeve, which is back to the central point of the ceramic tube, and the annular baffle is abutted between the assembling seat and the ceramic tube.

Preferably, the inner wall of the plastic sleeve is provided with an internal thread, and the side surface of the cylindrical electrode is provided with an external thread matched with the internal thread.

Preferably, two annular clamping grooves are reserved on the inner wall of the ceramic tube close to the two ends of the ceramic tube symmetrically, and annular convex strips matched with the annular clamping grooves are arranged on the outer wall of the plastic sleeve in a whole.

Preferably, the annular convex strip faces towards the outer edge of the central point of the ceramic pipe and is of a fillet structure, three notches penetrating through the annular convex strip are formed in the side wall of the plastic sleeve, and the notches surround the plastic sleeve and are arranged in an annular mode at equal intervals.

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

1. the utility model discloses, the both ends tip of ceramic tube is all fixed mounting has plastic sleeve, and the equal spiro union has cylindrical electrode in plastic sleeve's inside, simultaneously near its both ends symmetry reservation has two annular draw-in grooves on ceramic tube's inner wall, still on plastic sleeve's outer wall homogeneous body be equipped with annular draw-in groove assorted annular sand grip, thereby make this ceramic gas discharge tube assemble more conveniently, can effectively improve its production efficiency, utilize plastic sleeve to separate cylindrical electrode and ceramic tube simultaneously, can effectively avoid breaking the ceramic tube and damaging when installing cylindrical electrode, and then effectively improve this ceramic gas discharge tube's production yield;

2. the utility model discloses, be equipped with the governing valve on ceramic pipe's lateral wall, and the governing valve is by cylindrical shell, the spring holder, spring and piston constitute, cylindrical shell is linked together the setting with ceramic pipe's inside simultaneously, thereby make the usable governing valve of the inside volume of ceramic pipe change, especially when the voltage between two cylindrical electrodes enlargies suddenly, when leading to the sudden grow of ceramic pipe internal pressure, the inside inert gas of ceramic pipe promotes the piston shrink, so that the inside volume increase of ceramic pipe alleviates the abnormal load that causes for ceramic pipe because of the sudden grow of ceramic pipe internal pressure, thereby avoid this ceramic gas to discharge the phenomenon that the tube explodes, and then make this ceramic gas discharge tube security performance better, the protective properties is better.

Drawings

FIG. 1 is a perspective view of one embodiment of a ceramic gas discharge tube;

FIG. 2 is a sectional structural view of a ceramic gas discharge tube according to an embodiment;

FIG. 3 is an exploded view of one embodiment of a ceramic gas discharge tube;

FIG. 4 is a cross-sectional exploded view of one embodiment of a ceramic gas discharge tube.

In the figure: 1. a ceramic tube; 2. assembling a base; 3. adjusting a valve; 4. a groove; 5. a cylindrical electrode; 6. an annular baffle; 7. a plastic sleeve; 8. a notch; 9. an annular rib; 10. an annular neck; 11. a cylindrical housing; 12. a spring seat; 13. a spring; 14. a piston; 15. an external thread; 16. an internal thread.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a ceramic gas discharge tube, includes ceramic tube 1, the equal fixed mounting in both ends tip of ceramic tube 1 has plastic sleeve 7, the equal spiro union in inside of plastic sleeve 7 has cylindrical electrode 5, ceramic tube 1's inside is packaged with inert gas, just still be equipped with governing valve 3 on ceramic tube 1's the lateral wall, inert gas is one or two kinds of argon gas or neon, works as when inert gas is two kinds of gases of argon gas and neon, the volume ratio of argon gas and neon is 3: 4;

the regulating valve 3 comprises a cylindrical shell 11, a spring seat 12, a spring 13 and a piston 14, one end of the cylindrical shell 11 is an open end, the other end of the cylindrical shell 11 is a closed end, the open end of the cylindrical shell 11 is fixedly and hermetically connected with the side wall of the ceramic tube 1, the open end of the cylindrical shell 11 is communicated with the inside of the ceramic tube 1, the closed end of the cylindrical shell 11 extends to the outside of the side wall of the ceramic tube 1, the spring seat 12 is fixedly arranged on the inner end wall of the closed end of the cylindrical shell 11, the spring 13 is fixedly arranged on one side surface of the spring seat 12 facing the open end of the cylindrical shell 11, the piston 14 is fixedly installed at one end of the spring 13, which faces away from the spring seat 12, and the side surface of the piston 14 is attached to the inner side wall of the cylindrical shell 11.

Specifically, the end part of one end of the cylindrical electrode 5, which is back to the central point of the ceramic tube 1, is also fixedly provided with an assembling seat 2, and a groove 4 is reserved in the middle on one side surface of the assembling seat 2, which is back to the cylindrical electrode 5.

Through adopting above-mentioned technical scheme, join in marriage the setting of dress seat 2 and join in marriage and reserve recess 4 in the middle of a side of dress seat 2 dorsad cylindrical electrode 5 for this pottery gas discharge tube installation is more convenient.

Specifically, an annular baffle 6 is integrally arranged outside the end part of one end of the plastic sleeve 7, which is back to the central point of the ceramic tube 1, and the annular baffle 6 is abutted between the assembling seat 2 and the ceramic tube 1.

Through adopting above-mentioned technical scheme, annular baffle 6 can avoid joining in marriage dress seat 2 and ceramic pipe 1 direct contact and bump and lead to ceramic pipe 1 breakage and damage.

Specifically, an internal thread 16 is formed on the inner wall of the plastic sleeve 7, and an external thread 15 matched with the internal thread 16 is formed on the side surface of the cylindrical electrode 5.

By adopting the technical scheme, the cylindrical electrode 5 is conveniently arranged in the plastic sleeve 7 under the matching of the internal threads 16 and the external threads 15.

Specifically, two annular clamping grooves 10 are reserved on the inner wall of the ceramic tube 1 adjacent to the two ends of the ceramic tube symmetrically, and annular convex strips 9 matched with the annular clamping grooves 10 are arranged on the outer wall of the plastic sleeve 7 in a whole.

Through adopting above-mentioned technical scheme, ring groove 10 cooperatees with annular sand grip 9 and makes plastic sleeve 7 install the inside comparison of the tip at ceramic tube 1 convenient, and can prevent effectively that plastic sleeve 7 from droing from ceramic tube 1's tip.

Specifically, annular sand grip 9 orientation the outward flange of 1 central point of ceramic pipe is the fillet structure, it runs through to have seted up three on the lateral wall of plastic sleeve 7 annular sand grip 9's breach 8, three breach 8 centers on plastic sleeve 7 is cyclic annular equidistance and arranges.

Through adopting above-mentioned technical scheme, set up annular sand grip 9 into the fillet structure towards the outward flange of ceramic pipe 1 central point, conveniently install plastic sleeve 7 smoothly inside ceramic pipe 1's tip, set up three breach 8 that run through annular sand grip 9 simultaneously on plastic sleeve 7's lateral wall for elastic deformation can take place for plastic sleeve 7, is convenient for inside the ceramic pipe 1's of plastic sleeve 7 joint tip.

It should be noted that, in this embodiment, the ceramic tube 1 and the plastic sleeve 7 are connected in a sealing manner, during assembly, a layer of uniform sealant is coated on the exterior of the plastic sleeve 7, the plastic sleeve 7 and the cylindrical electrode 5 are also connected in a sealing manner, during installation, a layer of uniform sealant is coated on the side surface of the cylindrical electrode 5, and in addition, the cylindrical electrode 5 and the assembling seat 2 are made of the same material, and can be made of copper or alloy.

The working principle is as follows: according to the ceramic gas discharge tube, the end parts of the two ends of the ceramic tube 1 are fixedly provided with the plastic sleeves 7, the cylindrical electrodes 5 are screwed in the plastic sleeves 7, two annular clamping grooves 10 are reserved on the inner wall of the ceramic tube 1 close to the two ends of the ceramic tube symmetrically, and the outer wall of the plastic sleeve 7 is uniformly provided with the annular convex strips 9 matched with the annular clamping grooves 10, so that the ceramic gas discharge tube is convenient to assemble, the production efficiency of the ceramic gas discharge tube can be effectively improved, meanwhile, the plastic sleeves 7 are used for separating the cylindrical electrodes 5 from the ceramic tube 1, the ceramic tube 1 can be effectively prevented from being broken when the cylindrical electrodes 5 are installed, and the production yield of the ceramic gas discharge tube is effectively improved;

be equipped with governing valve 3 on ceramic tube 1's lateral wall, and governing valve 3 is by cylindrical shell 11, spring holder 12, spring 13 and piston 14 constitute, cylindrical shell 11 is linked together the setting with ceramic tube 1's inside simultaneously, thereby make the usable governing valve 3 of the inside volume of ceramic tube 1 change, especially when the voltage between two cylindrical electrode 5 enlargies suddenly, when leading to the sudden grow of 1 internal pressure in ceramic tube, the inert gas of 1 internal portion in ceramic tube promotes piston 14 shrink, so that the volume increase of 1 internal portion in ceramic tube alleviates the unusual load that causes for ceramic tube 1 because of the sudden grow of 1 internal pressure in ceramic tube, thereby avoid this ceramic gas discharge tube phenomenon that the explosion takes place, and then make this ceramic gas discharge tube security performance better, the protective properties is better.

The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. 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. A ceramic gas discharge tube comprising a ceramic tube (1), characterized in that: the ceramic tube comprises a ceramic tube (1), plastic sleeves (7) are fixedly mounted at the end parts of two ends of the ceramic tube (1), cylindrical electrodes (5) are screwed in the plastic sleeves (7), inert gas is packaged in the ceramic tube (1), and a regulating valve (3) is further arranged on the side wall of the ceramic tube (1);

the regulating valve (3) comprises a cylindrical shell (11), a spring seat (12), a spring (13) and a piston (14), one end of the cylindrical shell (11) is an open end, the other end of the cylindrical shell (11) is a closed end, the open end of the cylindrical shell (11) is fixedly and hermetically connected with the side wall of the ceramic pipe (1), the open end of the cylindrical shell (11) is communicated with the inside of the ceramic pipe (1), the closed end of the cylindrical shell (11) extends to the outside of the side wall of the ceramic pipe (1), the spring seat (12) is fixedly installed on the inner end wall of the closed end of the cylindrical shell (11), the spring (13) is fixedly installed on one side face, facing the open end of the cylindrical shell (11), of the spring (13) is fixedly installed on the end part, facing away from the spring seat (12), and the side surface of the piston (14) is attached to the inner side wall of the cylindrical shell (11).

2. The ceramic gas discharge tube of claim 1 wherein: the end part of one end of the cylindrical electrode (5), which is back to the central point of the ceramic tube (1), is also fixedly provided with an assembling seat (2), and a groove (4) is reserved in the middle on one side surface of the assembling seat (2), which is back to the cylindrical electrode (5).

3. The ceramic gas discharge tube of claim 2, wherein: an annular baffle (6) is integrally arranged outside the end part of one end of the plastic sleeve (7) back to the central point of the ceramic tube (1), and the annular baffle (6) is abutted between the assembling seat (2) and the ceramic tube (1).

4. The ceramic gas discharge tube of claim 1 wherein: an internal thread (16) is formed in the inner wall of the plastic sleeve (7), and an external thread (15) matched with the internal thread (16) is formed in the side face of the cylindrical electrode (5).

5. The ceramic gas discharge tube of claim 1 wherein: two annular clamping grooves (10) are reserved on the inner wall of the ceramic tube (1) adjacent to the two ends of the ceramic tube symmetrically, and annular convex strips (9) matched with the annular clamping grooves (10) are arranged on the outer wall of the plastic sleeve (7) in a whole.

6. The ceramic gas discharge tube of claim 5, wherein: annular sand grip (9) orientation the outward flange of ceramic pipe (1) central point is the fillet structure, seted up three on the lateral wall of plastic sleeve (7) and run through breach (8) of annular sand grip (9), three breach (8) center on plastic sleeve (7) are cyclic annular equidistance and arrange.