SU393489A1 - - Google Patents

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Publication number
SU393489A1
SU393489A1 SU1674668A SU1674668A SU393489A1 SU 393489 A1 SU393489 A1 SU 393489A1 SU 1674668 A SU1674668 A SU 1674668A SU 1674668 A SU1674668 A SU 1674668A SU 393489 A1 SU393489 A1 SU 393489A1
Authority
SU
USSR - Soviet Union
Prior art keywords
hole
sleeve
along
cylindrical
reinforcing
Prior art date
Application number
SU1674668A
Other languages
Russian (ru)
Inventor
Добржинска Московский автомобильный завод И. А. Лихачева С.
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 filed Critical
Priority to SU1674668A priority Critical patent/SU393489A1/ru
Application granted granted Critical
Publication of SU393489A1 publication Critical patent/SU393489A1/ru

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  • Reinforcement Elements For Buildings (AREA)

Description

ОПОРНАЯ ВТУЛКА ДЛЯ АРМИРОВАНИЯ ОТВЕРСТИЯSUPPORT SLEEVE FOR REINFORCING HOLE

1one

Изобретение относитс  к области машиностроени  и может быть использовано дл  кренлени  металлических стержней в неметаллических опорах, например ножек скамеек в кузовах грузовых автомобилей.The invention relates to the field of mechanical engineering and can be used for the heeling of metal rods in non-metallic supports, for example, legs of benches in the bodies of trucks.

Известна опорна  втулка дл  армировани  отверсти , содержаща  цилиндрический распорный участок с продольной прорезью и выступами, расположенными по цилиндрической поверхности и отогнутыми в сторону стенок отверсти  с возможностью внедрени  в них.A known support sleeve for reinforcing an opening comprises a cylindrical expansion section with a longitudinal slit and protrusions arranged along a cylindrical surface and bore toward the walls of the opening with the possibility of being inserted into them.

Однако эта .втулка имеет ненадежную фиксацию в отверстии, так как последн   зависит от первоначального отогнутого положени  боковых стенок цилиндрического распорного участка и выступов, внедр ющихс  в стенки отверсти . С целью устранени  этого недостатка и улучшени  эксплуатационных свойств в предложенной опорпой втулке выступы выполнены в виде отбортовок вдоль прорези С пилообразной пасечной по их кромкам .However, this sleeve has an unreliable fixation in the hole, since the latter depends on the initial bent position of the side walls of the cylindrical spacer portion and the protrusions embedded in the walls of the hole. In order to eliminate this drawback and improve the operational properties in the proposed sleeve, the protrusions are made in the form of flanging along the slot C of the saw-tooth beacon along their edges.

На чертеже представлена предложенна  опорна  втулка дл  армировани  отверсти .The drawing shows the proposed support sleeve for reinforcing the hole.

Втулка состоит из цилиндрического распорного участка 1 с продольной прорезью 2, вдоль которой расположены отбортовки 3 с пилообразной насечкой по их кромкам 4. Поеле установки центрирующего участка 5 в огверстие 6 плиты 7 к торцу втулки прикладываетс  осевое усилие Р, которое вгон ет втулку полностью в отверстие, причем зубь  пилообразной насечки удерживают ее от выпаДани  из указанного отверсти . Затем во втулку вставл ют за-крепл емый металлический стержень 8. Усили , удерживающие втулку в отверстии, практически не завис т от распора ее цилиндрического участка и упругих свойств материала втулки.The sleeve consists of a cylindrical spacer section 1 with a longitudinal slit 2, along which flanges 3 with a saw-tooth notch along their edges 4 are located. , and the tooth of the sawtooth cut keeps it from dropping out of the specified hole. Then, a snap-in metal rod 8 is inserted into the sleeve. The forces holding the sleeve in the hole are almost independent of the expansion of its cylindrical portion and the elastic properties of the sleeve material.

Предмет изобретени Subject invention

Опорпа  втулка дл  армировани  отверсти , содержаща  цилиндрический распор-ный участок с продольной прорезью и выступами , внедр ющимис  в стевки отверсти , отличающа с  тем, что, с целью повышени  надежности ее фиксации в отверстии и улучшени  эксплуатационных свойств выступыA support sleeve for reinforcing a hole containing a cylindrical spacing section with a longitudinal slit and protrusions embedded in stems of the hole, characterized in that, in order to increase the reliability of its fixation in the hole and improve the performance properties

выполнены в виде отбортовок вдоль прорези с пилообразной насечкой по их кромкам.made in the form of flanging along the slot with a sawtooth incision along their edges.

SU1674668A 1971-06-23 1971-06-23 SU393489A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1674668A SU393489A1 (en) 1971-06-23 1971-06-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1674668A SU393489A1 (en) 1971-06-23 1971-06-23

Publications (1)

Publication Number Publication Date
SU393489A1 true SU393489A1 (en) 1973-08-10

Family

ID=20480720

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1674668A SU393489A1 (en) 1971-06-23 1971-06-23

Country Status (1)

Country Link
SU (1) SU393489A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610589A (en) * 1977-09-20 1986-09-09 Tri-Bolt Fasteners Aps Screw anchoring bushing for use in semihard materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610589A (en) * 1977-09-20 1986-09-09 Tri-Bolt Fasteners Aps Screw anchoring bushing for use in semihard materials

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