CN2048538U - Cavity sealing parts - Google Patents
Cavity sealing parts Download PDFInfo
- Publication number
- CN2048538U CN2048538U CN 89206584 CN89206584U CN2048538U CN 2048538 U CN2048538 U CN 2048538U CN 89206584 CN89206584 CN 89206584 CN 89206584 U CN89206584 U CN 89206584U CN 2048538 U CN2048538 U CN 2048538U
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- sealing
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- sealing part
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Abstract
The utility model discloses a cavity sealing part. Gases or liquids can be filled into a cavity. The cavity sealing part can be extensively applied to the seal field of the utensil and the mechanism device used in daily life. The cavity sealing part whose external shape is a cover type, a tube-shaped type, or a circular ring type is mainly made of a flexible material and other materials. The cross section is a regular annular sealing shape or annular opening shape. The self or the self along with other structures forms the cavity closed sealing part. The utility model overcomes the phenomena of water penetration, oil seepage, and gas leakage of the existing sealing part through filling the interstice and the unevenness of the sealing part only by the elastic deformation of the material.
Description
The utility model is a kind of cavity type Sealing, is widely used in the field of sealing technology of used utensil of daily life and machinery.
The Sealing that relates in used utensil of existing daily life and the machinery, all be to make filled circles annular, filled circles taper type and rubber bell-type with soft elastic material according to the seal form difference, they all are to rely on the resiliently deformable of material to reach sealing purpose.The Sealing of above-mentioned different shape, its sealing effect is all undesirable.
The purpose of this utility model is that a kind of cavity type Sealing will be provided, solving the resiliently deformable that existing Sealing only relies on soft material, in seal process and the infiltration, oil impregnate and the gas leak phenomenon that occur.
Task of the present utility model is finished as follows: it is according to pascal's principle and Boyle, Robert-concrete seal form of boyle's law combination, make bell-type, tubular type and circular ring type with soft material and other material respectively, its cross section is a kind of ring seal shape or annular opening shape of rule, but self or form cavity closed and filling gas or liquid with other structural member, the gas in the cavity is not less than a barometric pressure.The Sealing that utilizes above-mentioned principle to make, because cavity contains gas or liquid, when external force pressure contains gas or liquid cavity Sealing, sealing part internal pressure increases, and the pressure on the sealing surface is equated everywhere, by the warpage of sealing part itself and the resiliently deformable of material thereof, make Sealing and accessory closely contact everywhere on sealing surface mutually, injustice place on the sealing surface is filled up, thereby realized reliable sealing.When the sealing part is used on flush toilet, bathtub and the tank, can be made into the bell-type Sealing, its cross section is the annular opening shape, and it and carriage form an enclosed cavity.Its concrete structure has a soft rubber cover, be curved surface above the rubber cover, be sphere all around, a through hole is opened at the top, adorns the round hat carriage that plastics or metallic material are made in the rubber cover, and a through hole is also left at the carriage top, the rubber cover top is corresponding with the through hole of carriage, and connect with a screw rod, the rubber cover bottom is opening-like, and the rubber cover end opening is embedded in the basifacial groove of carriage cylindrical.Form a cavity in carriage and the rubber cover, and be filled with gas naturally, the air pressure of gas is not less than a barometric pressure in the cavity.It is the toroidal cavity closed shape that the bell-type Sealing also can be made into the cross section, and its top embeds a metal or the nonmetal nut of making, so that connect screw rod or draw ring.In use, the cavity type Sealing is put into effluent seat, when water box of water closet or bathtub or tank add entry, the pressure compression sealing part of water, make the gas in the sealing part produce a pressure to sealing surface, and the pressure on the sealing surface is equated, thereby reach the purpose of sealing effectively everywhere.Be used on the tank as the sealing part, when the volume of tank is big, but also fill liquid in the Sealing, its sealing effect is identical.The door that is used in refrigerator as the cavity type Sealing is sealed up, and its profile is made tubular shape with soft rubber, and its cross section is the toroidal cavity formula, closed at both ends, and filling gas in the sealing part cavity, the air pressure of gas is not less than a barometric pressure.During use the sealing part is sticked on the refrigerator doorframe, after magnetic force or mechanical force are with door and casing closure, sealing part pressurized, volume reduces, gas in the Sealing increases pressure all around, and the pressure on the sealing surface is equated everywhere, cause sealing reliability not to be subjected to the influence of refrigerator form error, and then reach reliable sealing effect.Being used in gearbox, hydraulic equipment or travelling cup as the cavity type Sealing covers, its profile can be made the circular ring type Sealing with soft oil resistant, temperature resistant rubber raw material, its cross section is the toroidal cavity closed shape, be filled with gas in the cavity, the air pressure of gas is not less than a barometric pressure in the sealing part, during use, the gland compressive seal, make sealing part volume-diminished, internal pressure increases, and can guarantee the reliability of sealing when pressure medium is little.When pressure medium increases, the Sealing pressurized, volume further dwindles, and sealing reliability is constant.
The utility model is according to pascal's principle and Boyle, Robert--and cavity type Sealing that boyle's law is made not only relies on the resiliently deformable of soft material but also utilizes gas inside or liquid reaches sealing purpose effectively to the pressure that sealing surface produced, overcome the resiliently deformable that existing Sealing only relies on soft material and played this shortcoming of seal action, and existing Sealing is in use not only relevant with the unit elasticity deformation force owing to the elastic deformation amount of Sealing soft elastic material, and its ultimate deformation amount is limited.Therefore, the big or Sealing and the component that are complementary thereof produce distortion or make when nonstandard when sealing surface, and the Sealing reliability then can not get guaranteeing.Especially mostly existing flush toilet effluent seat is to adopt plastics to make, install and use and be easy to distortion in the process, the ringent rubber cover Sealing that matches with it only relies on the resiliently deformable of material to fill up the gap and the uneven part of sealing surface, therewith in like manner, the Sealing of the drowning seal arrangement of bathtub is a filled circles taper type rubber stopper, oil resistant rubber Sealing in gearbox and the hydraulic equipment is the filled circles annular, relies on the resiliently deformable of material to play the effect of sealing too.Its sealing effect of the Sealing of above-mentioned multiple shape is all undesirable, always keeps away unavoidable appearance infiltration, oil impregnate and gas leak phenomenon.
Below with reference to accompanying drawing model utility is further described.
Fig. 1 is that the cavity type Sealing that the utility model proposes is used in the sectional drawing that refrigerator door is sealed.
Fig. 2 is that the cavity type Sealing that the utility model proposes is used in the sectional drawing on flush toilet, bathtub and the tank.
Fig. 3 is that the cavity type Sealing that the utility model proposes is used in the sectional drawing on gearbox, the hydraulic equipment.
Taking the General Purpose Rubber manufacturing process to make profile with reference to Fig. 1 cavity type Sealing (1) with the soft rubber raw material is tubular type, its cross section is the ring seal shape, two ends are for sealing, self an inner cavity, Sealing of natural filling gas in manufacture process of forming.Also can be according to the physical dimension of refrigerator door (2) and refrigeratory body (3), making integral body is the ring seal shape for tubular shape frame cross section, the gas in the Sealing of closed at both ends formula (1), Sealing is not less than a barometric pressure.
With reference to Fig. 2 profile is bell-type cavity type Sealing, and its cross section is the annular opening shape, and it and carriage (2) form a sealed hollow.It is constituted by adorning the round hat carriage (2) that plastics or metallic material make and the screw rod at rubber cover (1) top in rubber cover (1) and the rubber cover (1).Rubber cover (1) is used the soft rubber raw material, takes the manufacturing of General Purpose Rubber manufacturing process, is curved surface above it, is sphere all around, and a through hole is opened at the top.Adorn the round hat carriage (2) that plastics or metallic material are made in the rubber cover (1), a groove is left in carriage (2) outer peripheral surface bottom, a through hole is also left at carriage (2) top, the through hole at carriage (2) top is corresponding with the through hole at rubber cover (1) top, connect with a metal screw (4), the end opening limit of rubber cover (1) embeds in the groove of opening carriage (2) outer peripheral surface bottom.It is one closed and internal structure is the Sealing of cavity shape that rubber cover (1) and carriage (2) constitute, and is filled with gas or liquid in the cavity.The air pressure of gas is not less than a barometric pressure in the cavity.The also available soft rubber raw material of bell-type cavity type Sealing, taking the General Purpose Rubber manufacturing process to make the cross section is the ring seal shape, certainly as cavity type, the top embeds a metal or the nonmetal nut of making, so that connect screw rod (4) or draw ring.
Be under the dynamic duty situation with reference to Fig. 3 cavity type Sealing (1), n represents the rotating speed of gearbox or hydraulic equipment transmission shaft, and p represents pressure medium.Cavity type Sealing (1) is used the soft rubber raw material, taking the General Purpose Rubber manufacturing process to make profile is that circular ring type or its cross section are the ring seal shape, self inner cavity that forms, naturally be filled with gas in the manufacture process hollow cavity, the gas atmosphere in the cavity Sealing (1) is not less than a barometric pressure.During use, with Sealing (1) gear box casing (4) of packing into, pacify gland (3) again, gland (3) compressive seal (1) makes Sealing (1) volume-diminished, and internal pressure increases, sealing reliability in the time of can guaranteeing that pressure medium p is little, when pressure medium p increased, Sealing (1) volume further dwindled, and sealing reliability is constant.
The also available heatproof of circular ring type Sealing, nontoxic rubber raw material are taked the manufacturing of General Purpose Rubber manufacturing process, and its profile is a circular ring type, the cross section is the annulus closed shape, self inner cavity that forms is filled with gas in the inherent manufacture process of cavity naturally, and the air pressure of gas is not less than a barometric pressure.
Claims (8)
1, a kind of Sealing, profile is bell-type, tubular type and circular ring type, it is characterized in that its cross section is a kind of ring seal shape or annular opening shape of rule, but self or form cavity closed and filling gas or liquid with other structural member.
2, Sealing according to claim 1 is characterized in that profile is a bell-type, and its cross section is the annular opening shape, and it and carriage (2) form an enclosed cavity.
3, Sealing according to claim 1 is characterized in that profile is a bell-type, and its cross section is the toroidal cavity closed shape.
4, Sealing according to claim 1 is characterized in that profile is a tubular type, and its cross section is the toroidal cavity shape, and two ends are what seal.
5, Sealing according to claim 1 is characterized in that profile is a circular ring type, and its cross section is the toroidal cavity closed shape.
6, Sealing according to claim 1 is characterized in that bell-type, tubular type Sealing are to make with the soft rubber raw material.
7, Sealing according to claim 1 or 5 is characterized in that the circular ring type Sealing is to make with the oil resistant rubber raw material.
8, Sealing according to claim 1 or 5 is characterized in that the circular ring type Sealing is to make with soft heatproof, nontoxic rubber raw material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89206584 CN2048538U (en) | 1989-04-30 | 1989-04-30 | Cavity sealing parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89206584 CN2048538U (en) | 1989-04-30 | 1989-04-30 | Cavity sealing parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2048538U true CN2048538U (en) | 1989-11-29 |
Family
ID=4863605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89206584 Withdrawn CN2048538U (en) | 1989-04-30 | 1989-04-30 | Cavity sealing parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2048538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927276A (en) * | 2012-11-09 | 2013-02-13 | 河北博龙橡塑制品有限公司 | Hollow rubber gasket and production method thereof |
-
1989
- 1989-04-30 CN CN 89206584 patent/CN2048538U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927276A (en) * | 2012-11-09 | 2013-02-13 | 河北博龙橡塑制品有限公司 | Hollow rubber gasket and production method thereof |
| CN102927276B (en) * | 2012-11-09 | 2015-08-26 | 河北博龙橡塑制品有限公司 | Hollow rubber pad and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |