SU444267A1 - Mechanical seal - Google Patents

Mechanical seal

Info

Publication number
SU444267A1
SU444267A1 SU1767164A SU1767164A SU444267A1 SU 444267 A1 SU444267 A1 SU 444267A1 SU 1767164 A SU1767164 A SU 1767164A SU 1767164 A SU1767164 A SU 1767164A SU 444267 A1 SU444267 A1 SU 444267A1
Authority
SU
USSR - Soviet Union
Prior art keywords
pipe
mechanical seal
protrusion
nozzle
bore
Prior art date
Application number
SU1767164A
Other languages
Russian (ru)
Inventor
Анатолий Дмитриевич Саврухин
Владимир Яковлевич Эфрос
Павел Алексеевич Андреев
Original Assignee
Предприятие П/Я А-1067
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я А-1067 filed Critical Предприятие П/Я А-1067
Priority to SU1767164A priority Critical patent/SU444267A1/en
Application granted granted Critical
Publication of SU444267A1 publication Critical patent/SU444267A1/en

Links

Description

1one

Торцовое уплотнение предназначено дл  соединени  электровакуумных приборов, имеющих металлический штенгель с откачной системой постов, а также дл  герметичного соединени  труб.Mechanical seal is designed to connect electrovacuum devices having a metal rod with a pumping system of posts, as well as for tight connection of pipes.

Известно торцовое уплотнение, содержащее трубу и штуцер с конусным выступом. В известном уплотнении герметичное соединение трубы со щтуцером образуетс  по конусной поверхности выступа щтуцера при приложении зажимного усили , направленного вдоль общей оси трубы и штуцера. Однако возможна разгерметизаци  при нагреве - охлаждении вследствие разных коэффициентов термического расширени  материалов трубы и штуцера .Known mechanical seal containing pipe and fitting with a tapered protrusion. In the known seal, an airtight connection of the pipe with the clamp is formed along the conical surface of the protrusion of the clamp when the clamping force is applied, which is directed along the common axis of the pipe and fitting. However, depressurization is possible during heating - cooling due to different coefficients of thermal expansion of the pipe and choke materials.

В предлагаемом устройстве, с целью повышени  надежности уплотнени , в штуцере выполнена цилиндрическа  расточка большего диаметра, чем наружный диаметр трубы, а ДЛЯ этой расточки выполнен уплотн ющий выступ, конусна  поверхность которого сопр жена с цилиндрической поверхностью расточки .In the proposed device, in order to increase the reliability of compaction, a cylindrical bore of a larger diameter than the outer diameter of the pipe is made in the fitting, and for this bore there is a sealing protrusion, the conical surface of which is aligned with the cylindrical surface of the bore.

При приложении зажимного усили , направленного ВДОЛЬ общей оси трубы и штуцера , торец трубы, упира сь в выступ штуцера , пластически деформируетс , увеличива  наружный диаметр конца трубы. Вследствие этого герметичное соединение образуетс  не ТОЛЬКО по конусной поверхности выступа, ноWhen a clamping force is applied along the common axis of the pipe and nozzle, the end of the pipe, resting against the protrusion of the nozzle, plastically deforms, increasing the outer diameter of the pipe end. As a consequence, the hermetic seal is not only formed along the conical surface of the protrusion, but

и по цилиндрической поверхности расточки.and on the cylindrical surface of the bore.

Предмет изобретени Subject invention

Торцовое уплотнение, содержащее трубу и штуцер с конусным выступом, выполненные из разнородных материалов, отличающеес  тем, что, с целью повышени  надежности уплотнени , в штуцере выполнена расточка диаметром, превышающим диаметр трубы, цилиндрическа  поверхность которой сопр жена с конусной поверхностью выступа, утопленного относительно торца штуцера.A mechanical seal containing a pipe and a nozzle with a tapered protrusion, made of dissimilar materials, is characterized in that, in order to increase the reliability of the seal, a nozzle is made in the nozzle with a diameter exceeding the diameter of the pipe whose cylindrical surface is recessed relative to the end choke.

SU1767164A 1972-04-03 1972-04-03 Mechanical seal SU444267A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1767164A SU444267A1 (en) 1972-04-03 1972-04-03 Mechanical seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1767164A SU444267A1 (en) 1972-04-03 1972-04-03 Mechanical seal

Publications (1)

Publication Number Publication Date
SU444267A1 true SU444267A1 (en) 1974-09-25

Family

ID=20508929

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1767164A SU444267A1 (en) 1972-04-03 1972-04-03 Mechanical seal

Country Status (1)

Country Link
SU (1) SU444267A1 (en)

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