CN211975261U - Ignition wire sealing device of gas engine - Google Patents

Ignition wire sealing device of gas engine Download PDF

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Publication number
CN211975261U
CN211975261U CN202020662899.4U CN202020662899U CN211975261U CN 211975261 U CN211975261 U CN 211975261U CN 202020662899 U CN202020662899 U CN 202020662899U CN 211975261 U CN211975261 U CN 211975261U
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China
Prior art keywords
ignition
gas engine
plug screw
adapter
sealing device
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Active
Application number
CN202020662899.4U
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Chinese (zh)
Inventor
邢瑞英
方永红
仇茂林
李延波
王有成
曹满山
王业腾
占明明
王文博
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Hubei Institute of Aerospace Chemical Technology
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Hubei Institute of Aerospace Chemical Technology
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Priority to CN202020662899.4U priority Critical patent/CN211975261U/en
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Publication of CN211975261U publication Critical patent/CN211975261U/en
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Abstract

The utility model discloses a gas engine ignition wire sealing device, including ignition adapter, sealed end cap, plug screw, ignition adapter's upper portion sets up the plug screw mounting groove, the plug screw with plug screw mounting groove threaded connection, sealed end cap is equipped with cone and lower cone, the bottom of plug screw is equipped with the taper groove, the bottom of plug screw mounting groove is equipped with down the taper groove, sealed end cap sets up ignition adapter with between the plug screw, it draws forth the hole to be equipped with first ignition wire in the ignition adapter, be equipped with a plurality of second ignition wires in the sealed end cap and draw forth the hole, it draws forth the hole to be equipped with the third point live wire in the plug screw. The utility model discloses simple structure is reliable, and is rationally distributed, and is with low costs, ensures that gas generator or gas engine during operation inside high temperature, high-pressure gas do not take place to leak in ignition line department, has guaranteed gas generator or gas engine and has normally worked.

Description

Ignition wire sealing device of gas engine
Technical Field
The utility model relates to an engine sealing's technical field, concretely relates to gas engine ignition wire sealing device.
Background
At present, an igniter is generally adopted by a gas generator or a gas engine at home and abroad for ignition, but the cost of the igniter is high, the test quantity is relatively large in the process of developing the gas generator or the gas engine, and the test cost is greatly increased by the igniter. When the ignition wire is used for igniting the gas generator or the gas engine, the ignition wire generally penetrates out of the spray pipe due to the fact that no ignition wire sealing device exists at present, so that the sealing performance of the gas generator or the gas engine is poor, the ignition reliability of the gas generator or the gas engine is reduced, and meanwhile the risk that the spray pipe is blocked by the ignition wire is increased. The problem of using the ignition wire to ignite is urgently solved, the ignition reliability of the ignition wire is improved, and the cost is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a sealing device for ignition wires of a gas engine.
The utility model provides a following technical scheme:
the utility model provides a gas engine ignition wire sealing device, includes ignition adapter, sealed end cap, plug screw, ignition adapter's upper portion sets up the plug screw mounting groove, the plug screw with plug screw mounting groove threaded connection, sealed end cap is equipped with cone and lower cone, the bottom of plug screw is equipped with the taper groove, the bottom of plug screw mounting groove is equipped with down the taper groove, sealed end cap sets up ignition adapter with between the plug screw, it draws forth the hole to be equipped with the first live wire in the ignition adapter, it draws forth the hole to be equipped with a plurality of second ignition wires in the sealed end cap, it draws forth the hole to be equipped with third point live wire in the plug screw.
Furthermore, the central axis of the ignition adapter, the central axis of the sealing plug and the central axis of the plug screw are located on the same straight line.
Furthermore, the lower part of ignition adapter is equipped with the threaded connection seat of being connected with gas engine.
Further, the ignition adapter is welded on the gas engine.
Further, the ignition adapter is formed on the gas engine housing.
Furthermore, the sealing plug is one of silicon rubber, ethylene propylene diene monomer, nitrile rubber and polytetrafluoroethylene.
Further, the number of the second ignition wire leading-out holes is equal to that of the ignition wires.
Further, the ignition adapter is made of common steel, stainless steel or high-temperature alloy, and the screw plug is made of common steel, stainless steel or high-temperature alloy.
Further, the ignition adapter is made of polytetrafluoroethylene and hard plastic, and the plug screw is made of polytetrafluoroethylene and hard plastic.
Further, the head of the screw plug is a polygonal column.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses simple structure, the dependable performance, rationally distributed, advantage such as with low costs.
2. The utility model discloses ensure that high temperature, high-pressure gas do not take place to leak in ignition line department in gas generator or the gas engine, guaranteed gas generator or the normal work of gas engine.
3. The utility model discloses can be used to the sealed of pressure vessel ignition line or other cables such as gas generator or gas engine.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, and it is to be understood that the described embodiments are merely illustrative of some, but not all, embodiments of the present invention. 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.
Example one
Referring to fig. 1, the utility model discloses a gas engine ignition wire sealing device, including ignition adapter 1, sealed end cap 2, plug screw 3, ignition adapter 1's upper portion sets up the plug screw mounting groove, plug screw 3 with plug screw mounting groove threaded connection, sealed end cap 2 is equipped with cone and lower cone, the bottom of plug screw 3 is equipped with the taper groove, the bottom of plug screw mounting groove is equipped with down the taper groove, sealed end cap 2 sets up ignition adapter 1 with between the plug screw 3, be equipped with first ignition wire in the ignition adapter and draw forth hole 11, be equipped with a plurality of second ignition wires in the sealed end cap and draw forth the hole, it draws forth hole 31 to be equipped with the third point in the plug screw.
Referring to fig. 1, in this embodiment, the upper portion of ignition adapter 1 is provided with a plug screw mounting groove, the inner wall of the plug screw mounting groove is provided with an internal thread, the lower portion of plug screw 3 is provided with an external thread, and plug screw 3 is in threaded connection with ignition adapter 1. The upper end and the lower end of the sealing plug 2 are conical bodies, an upper conical groove matched with the upper conical body at the upper end of the sealing plug is formed in the bottom of the plug screw 3, and a lower conical groove matched with the lower conical body at the lower end of the sealing plug is formed in the bottom of the plug screw mounting groove. The plug screw 3 compresses the sealing plug 2 in a cavity formed by the upper conical groove and the lower conical groove, the sealing plug 2 is a compressible elastomer or plastic, the sealing plug 2 enables the plug screw and the ignition adapter 1 of the plug screw 3 to be connected in a sealing mode, and sealing between a second ignition wire leading-out hole of the sealing plug and an ignition wire 4 in the second ignition wire leading-out hole is guaranteed.
In this embodiment, the central axis of the ignition adapter 1, the central axis of the sealing plug, and the central axis of the plug screw are located on the same straight line.
Referring to fig. 1, in the present embodiment, a threaded connection seat 12 connected to a gas engine is provided at a lower portion of the ignition adapter 1.
In another embodiment, the ignition adapter 1 is welded to a gas engine.
In another embodiment, the ignition adapter 1 is molded to the gas engine housing.
In this embodiment, the sealing plug 2 may be one of silicone rubber, ethylene propylene diene monomer, nitrile rubber, and polytetrafluoroethylene.
In the present embodiment, the number of the second ignition wire lead-out holes is equal to the number of the ignition wires 4.
In this embodiment, the ignition adapter 1 may be made of common steel, stainless steel or high temperature alloy, and the plug screw 3 may be made of common steel, stainless steel or high temperature alloy.
In another embodiment, the ignition adapter may also be ptfe or hard plastic, and the plug screw may also be ptfe or hard plastic.
In the present embodiment, the head of the screw plug 3 is a polygonal column. Such as a quadrangular or hexagonal prism, provides a point of force for screw tightening.
The utility model discloses an assembly process is: firstly, fixing the processed ignition adapter 1 on a gas engine or a gas generator and other devices; the ignition wire 4 penetrates out of a first ignition wire leading-out hole 11 of the ignition adapter; each ignition wire penetrating out of the ignition adapter respectively penetrates through a second ignition wire leading-out hole of the sealing plug; the ignition wire which penetrates out of the sealing plug penetrates out of a third point firing wire leading-out hole 31 of the screw plug; and connecting the screw plug with the ignition adapter in a threaded manner and fastening by using a wrench.
After the ignition wire sealing device is used, the pressure container such as a gas generator or a gas engine and the like can be ensured not to generate gas leakage under the pressure of 30MPa and the temperature of 3000 ℃, and the sealing property of the gas generator or the gas engine is ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (10)

1. A gas engine ignition wire sealing device is characterized in that: including ignition adapter (1), sealed end cap (2), plug screw (3), ignition adapter's upper portion sets up the plug screw mounting groove, the plug screw with plug screw mounting groove threaded connection, sealed end cap is equipped with cone and lower cone, the bottom of plug screw is equipped with the taper groove, the bottom of plug screw mounting groove is equipped with down the taper groove, sealed end cap sets up ignition adapter with between the plug screw, it draws forth the hole to be equipped with first live wire in the ignition adapter, it draws forth the hole to be equipped with a plurality of second ignition lines in the sealed end cap, be equipped with third live wire in the plug screw and draw forth the hole.
2. A gas engine ignition wire sealing device as claimed in claim 1, wherein: the central axis of ignition adapter, the central axis of sealed end cap and the central axis of plug screw are located same straight line.
3. A gas engine ignition wire sealing device as claimed in claim 1, wherein: and the lower part of the ignition adapter is provided with a threaded connecting seat connected with a gas engine.
4. A gas engine ignition wire sealing device as claimed in claim 1, wherein: the ignition adapter is welded on the gas engine.
5. A gas engine ignition wire sealing device as claimed in claim 1, wherein: the ignition adapter is formed on a shell of the gas engine.
6. A gas engine ignition wire sealing device as claimed in claim 1, wherein: the sealing plug is one of silicon rubber, ethylene propylene diene monomer, nitrile rubber and polytetrafluoroethylene.
7. A gas engine ignition wire sealing device as claimed in claim 1, wherein: the number of the second ignition wire leading-out holes is equal to that of the ignition wires (4).
8. A gas engine ignition wire sealing device as claimed in claim 1, wherein: the ignition adapter is made of common steel, stainless steel or high-temperature alloy, and the plug screw is made of common steel, stainless steel or high-temperature alloy.
9. A gas engine ignition wire sealing device as claimed in claim 1, wherein: the ignition adapter is made of polytetrafluoroethylene and hard plastic, and the screw plug is made of polytetrafluoroethylene and hard plastic.
10. A gas engine ignition wire sealing device as claimed in claim 1, wherein: the head of the screw plug is a polygonal column.
CN202020662899.4U 2020-04-27 2020-04-27 Ignition wire sealing device of gas engine Active CN211975261U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020662899.4U CN211975261U (en) 2020-04-27 2020-04-27 Ignition wire sealing device of gas engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020662899.4U CN211975261U (en) 2020-04-27 2020-04-27 Ignition wire sealing device of gas engine

Publications (1)

Publication Number Publication Date
CN211975261U true CN211975261U (en) 2020-11-20

Family

ID=73345975

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020662899.4U Active CN211975261U (en) 2020-04-27 2020-04-27 Ignition wire sealing device of gas engine

Country Status (1)

Country Link
CN (1) CN211975261U (en)

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