CN213752612U

CN213752612U - Shockproof discharge tube assembly

Info

Publication number: CN213752612U
Application number: CN202022768336.6U
Authority: CN
Inventors: 谢昌伟
Original assignee: Jiangxi Xinxin Semiconductor Co ltd
Current assignee: Jiangxi Xinxin Semiconductor Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-20
Anticipated expiration: 2030-11-25

Abstract

The invention relates to a shockproof discharge tube assembly, which comprises a shell and a discharge tube body positioned in the shell, wherein the top of the shell is connected with a cap, the bottom in the shell and the top in the cap are respectively connected with a fixing plate I and a fixing plate II which clamp and fix the discharge tube body through a spring I, the inner side walls of the shell and the cap are both provided with a limiting cylinder, wherein the fixing plate I and the fixing plate II are both positioned in the opening of the limiting cylinder, and grids are arranged in the shell body positioned below the limiting cylinder and the cover cap positioned above the limiting cylinder, the grid is provided with a spring II which is connected with the corresponding fixed plate I and the fixed plate II, the spring I passes through the corresponding grid, wherein an elastic column is arranged in an inner opening of the spring I, the length of the elastic column is less than that of the spring I and penetrates through the grating, a plurality of groups of sliding grooves are also vertically arranged on the inner side wall of the limiting cylinder, wherein, the outer side walls of the fixing plate I and the fixing plate II are correspondingly provided with slide blocks embedded into the slide grooves. The invention has simple structure and convenient use.

Description

Shockproof discharge tube assembly

Technical Field

The invention relates to the technical field of discharge tubes, in particular to a shockproof discharge tube assembly.

Background

At present, a discharge tube device on a high-energy igniter of an electric combustion product is complex to install, inconvenient to maintain, easy to damage, shockproof, fragile and often causes equipment repair. Especially, the box body and the mounting base plate need to be detached when the discharge tube is maintained and replaced, and then the discharge tube can be taken down. In addition, the material is easy to break during transportation, and the hidden trouble is undoubtedly troublesome for manufacturers and suppliers.

A shockproof discharge tube assembly, as disclosed in CN208127133U, which solves the above problems, but has the following disadvantages, such as: because the spring has characteristics such as flexible and buckle, make first spring and second spring can not be fine fix discharge tube body through upper fixed plate and bottom plate in order to prevent its swing, and if it produces the swing then easily lead to discharge tube body and casing lateral wall contact and take place the condition such as wearing and tearing, and this also does not benefit to the steadiness that promotes discharge tube body, only carry out the shock attenuation buffering through first spring and second spring to discharge tube body simultaneously, make its buffering effect not good, and still can not effectively restrict discharge tube body's upper and lower vibration range.

Disclosure of Invention

The invention aims to provide a shockproof discharge tube assembly.

The technical problem of the invention is mainly solved by the following technical scheme:

a shockproof discharge tube assembly comprises a shell and a discharge tube body positioned in the shell, wherein the top of the shell is fixedly connected with a cap through a screw, the bottom in the shell is connected with a fixing plate I for fixing the bottom end of the discharge tube body through a spring I, the top in the cap is connected with a fixing plate II for fixing the top end of the discharge tube body through a spring I, the inner side walls of the shell and the cap are respectively provided with a limiting cylinder, the fixing plate I and the fixing plate II are both positioned in an opening of the limiting cylinder, grids are respectively arranged in the shell below the limiting cylinder and the cap above the limiting cylinder, springs II connected with the corresponding fixing plate I and the fixing plate II are arranged on the grids, the springs I penetrate through the corresponding grids, an elastic column is arranged in the opening in the spring I, the length of the elastic column is smaller than that of the spring I and penetrates through the grids, a plurality of groups of sliding chutes are vertically arranged on the inner side wall of the limiting cylinder, wherein the outer side walls of the fixing plate I and the fixing plate II are correspondingly provided with sliding blocks embedded into the sliding grooves, and the quantity of the sliding blocks on the fixing plate I and the fixing plate II is less than that of the sliding grooves.

Preferably, the top end of the fixing plate I and the bottom end of the fixing plate II are respectively provided with a clamping groove for accommodating the corresponding top end of the discharge tube body, and the diameters of the fixing plate I and the fixing plate II are smaller than the inner diameter of the limiting cylinder.

Preferably, the cross section of the sliding block is in the shape of an isosceles triangle, and a fillet is arranged at the top angle of the sliding block embedded in the sliding groove.

Preferably, one end of each elastic column is arranged in a suspended mode, and the other end of each elastic column is fixedly connected with the corresponding inner top wall of the cap and the inner bottom wall of the shell.

The invention has the beneficial effects that:

1. the invention prevents the fixing plate I and the fixing plate II from rotating in the shell and the cover cap by clamping the sliding block through the sliding chute so as to improve the safety and stability of the shell, and the discharge tube body is extruded and fixed in the middle of the shell by the way that the tail end of the sliding block is abutted against the bottom wall of the sliding chute because the fixing plate I, the fixing plate II and the discharge tube body have larger gaps with the inner side wall of the limiting barrel so as to prevent the discharge tube body from horizontally swinging and contacting with the inner side wall of the limiting barrel to be damaged due to the influence of the spring I.

2. When the invention is used, the spring I plays a role in buffering and damping the fixed plate I and the fixed plate II, thereby playing a role of shock absorption and buffering for the discharge tube body, at the moment, the grid can play a further role of shock absorption and buffering for the fixing plate I, the fixing plate II and the discharge tube body through the spring II, when the spring I and the spring II drive the fixing plate I and the fixing plate II to move up and down to a certain extent, at this time, the grids will abut against the corresponding fixing plates I and II, so as to limit the vertical displacement amplitude between the fixing plates I and II and the discharge tube body, in the above-mentioned process, the elastic column can also be used for resisting against the correspondent fixing plate I and fixing plate II to limit the up-and-down displacement amplitude of the above-mentioned two components and discharge tube body, meanwhile, when the fixing plate I and the fixing plate II are contacted with the elastic columns, the fixing plate I, the fixing plate II and the discharge tube body can be buffered and damped.

Drawings

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

fig. 2 is a top view of the housing of the present invention.

In the figure: 1. the discharge tube comprises a shell, 2, a discharge tube body, 3, a cap, 4, springs I, 5, fixing plates I, 6, fixing plates II, 7, a limiting cylinder, 8, a sliding groove, 9, a grid, 10, springs II, 11, an elastic column, 12 and a sliding block.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

The utility model provides a discharge tube subassembly takes precautions against earthquakes, includes casing 1 and is located its inside discharge tube body 2, wherein 1 top of casing is through screw fixedly connected with block 3, the bottom is connected with the fixed plate I5 of fixed discharge tube body 2 bottom through spring I4 in the casing 1, and wherein the top is connected with the fixed plate II6 on fixed discharge tube body 2 top through spring I4 in the block 3 to fixed plate I5 top and fixed plate II6 bottom are provided with the draw-in groove that is used for holding discharge tube body 2 and corresponds the top respectively. When vibration occurs, the spring I4 buffers and damps the fixing plate I5 and the fixing plate II6, thereby achieving the purpose of buffering and damping the discharge tube body 2.

All be provided with spacing section of thick bamboo 7 on casing 1 and the 3 inside walls of block, wherein fixed plate I5 and fixed plate II6 all are located the opening of spacing section of thick bamboo 7 to fixed plate I5 and fixed plate II6 diameter are less than spacing section of thick bamboo 7 internal diameter, still vertically on the spacing section of thick bamboo 7 inside wall be provided with multiunit spout 8, wherein correspond on fixed plate I5 and the fixed plate II6 lateral wall and be provided with the slider 12 of embedding in the spout 8, and the slider 12 quantity on fixed plate I5 and the fixed plate II6 is less than spout 8 quantity.

The fixing plate I5 and the fixing plate II6 are prevented from rotating in the housing 1 and the cap 3 by the way of blocking the sliding block 12 by the sliding slot 8, so as to improve the safety and stability, and because the fixing plate I5, the fixing plate II6 and the discharge tube body 2 have a larger gap with the inner side wall of the limiting cylinder 7, the discharge tube body 2 is fixed in the middle of the housing 1 by pressing in a way that the tail end of the sliding block 12 abuts against the bottom wall of the sliding slot 8, so as to prevent the discharge tube body from swinging horizontally under the influence of the spring I4 and being damaged by contacting with the inner side wall of the limiting cylinder 7.

And can drive slider 12 and reciprocate in spout 8 when spring I4 cushions the shock attenuation in-process, because slider 12 cross-section is isosceles triangle this moment, wherein the 12 apex angle departments of slider in the embedding spout 8 are provided with the fillet to this reduces the area of contact between slider 12 end and the spout 8 bottom, thereby reduces frictional force, and then makes slider 12 easily slide in spout 8, prevents that it from hindering the shock attenuation buffering work of spring I4 to discharge tube body 2.

Wherein be located the casing 1 of spacing section of thick bamboo 7 below and be located all being provided with grid 9 in the block 3 of spacing section of thick bamboo 7 top, and be provided with on the grid 9 with correspond fixed plate I5 and fixed plate II6 and be connected spring II10, spring I4 passes corresponding grid 9, wherein is provided with elastic column 11 in the spring I4 internal opening, and elastic column 11 length is less than spring I4 length and passes grid 9, in this embodiment one of them end of elastic column 11 is unsettled to be set up, and elastic column 11 other end and the corresponding block 3 inside roof and the casing 1 inside between the bottom wall fixed connection.

When in use, the spring I4 plays a role in buffering and damping the fixing plate I5 and the fixing plate II6, and further plays a role in damping and damping the discharge tube body 2, at the moment, the grid 9 can play a role in further buffering and damping the fixing plate I5, the fixing plate II6 and the discharge tube body 2 through the spring II10, when the spring I4 and the spring II10 drive the fixing plate I5 and the fixing plate II6 to move up and down to a certain extent, the grid 9 can abut against the corresponding fixing plate I5 and the corresponding fixing plate II6 at the moment, so as to limit the up-and-down displacement amplitude of the fixing plate I5 and the discharge tube body 2, in the above process, the elastic column 11 can also abut against the corresponding fixing plate I5 and the corresponding fixing plate II6 to limit the up-and-down displacement amplitude of the fixing plate I3542, the fixing plate II6 and the discharge tube body 2, and simultaneously when the fixing plate I5 and the fixing plate II6 contact with the elastic column 11, the fixing plate I5 and the discharge tube body 2 can play a role in buffering and damping, moreover, the grid 9 has a net structure, so that the gas inside the shell 1 and the cap 3 can flow up and down through the apertures.

In this embodiment, the number of the sliders 12 on the fixing plates I5 and II6 is less than that of the chutes 8, so that the gas inside the housing 1 and the cap 3 can flow up and down through the fixing plates I5 and II6 and the gaps between the discharge tube body 2 and the inner side walls of the position-limiting cylinder 7, and can flow up and down through the openings of the chutes 8 without the sliders 12, thereby preventing the gas inside the housing 1 and the cap 3 from being blocked and affecting the up-and-down flow operation.

The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and is not to be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. A shockproof discharge tube assembly comprises a shell and a discharge tube body positioned in the shell, wherein the top of the shell is fixedly connected with a cap through a screw, the bottom in the shell is connected with a fixing plate I for fixing the bottom end of the discharge tube body through a spring I, the top in the cap is connected with a fixing plate II for fixing the top end of the discharge tube body through a spring I, the shockproof discharge tube assembly is characterized in that limiting cylinders are arranged on the inner side walls of the shell and the cap, the fixing plate I and the fixing plate II are both positioned in openings of the limiting cylinders, grids are arranged in the shell below the limiting cylinders and in the cap above the limiting cylinders, springs II connected with the corresponding fixing plate I and the fixing plate II are arranged on the grids, the springs I penetrate through the corresponding grids, elastic columns are arranged in the openings in the springs I, the lengths of the elastic columns are smaller than those of the springs I and penetrate through the grids, still vertically be provided with the multiunit spout on the spacing section of thick bamboo inside wall, wherein correspond on fixed plate I and the fixed plate II lateral wall and be provided with the slider that imbeds in the spout, and the slider quantity on fixed plate I and the fixed plate II is less than spout quantity.

2. The tube assembly of claim 1, wherein the top end of the fixing plate I and the bottom end of the fixing plate II are respectively provided with a slot for receiving the corresponding top end of the discharge tube body, and the diameters of the fixing plate I and the fixing plate II are smaller than the inner diameter of the limiting cylinder.

3. The anti-vibration discharge tube assembly as defined in claim 1, wherein the cross-section of the sliding block is an isosceles triangle, and a rounded corner is formed at the top corner of the sliding block inserted into the sliding groove.

4. The tube assembly of claim 1, wherein one end of the elastic column is suspended, and the other end of the elastic column is fixedly connected to the inner top wall of the cap and the inner bottom wall of the housing.