CN210890049U - Polytetrafluoroethylene composite sealing gasket - Google Patents
Polytetrafluoroethylene composite sealing gasket Download PDFInfo
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- CN210890049U CN210890049U CN201921807040.1U CN201921807040U CN210890049U CN 210890049 U CN210890049 U CN 210890049U CN 201921807040 U CN201921807040 U CN 201921807040U CN 210890049 U CN210890049 U CN 210890049U
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- polytetrafluoroethylene
- surface course
- gasket
- rubber pad
- sealing gasket
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Abstract
The utility model discloses a polytetrafluoroethylene composite seal gasket belongs to seal gasket technical field, including polytetrafluoroethylene surface course, polytetrafluoroethylene bottom and centre bore, polytetrafluoroethylene surface course and polytetrafluoroethylene bottom integrated into one piece, the centre bore is located polytetrafluoroethylene surface course and polytetrafluoroethylene bottom intermediate position, polytetrafluoroethylene surface course top can be dismantled through tearing the area and be connected with anticorrosive rubber pad, anticorrosive rubber pad surface is close to the top position and has seted up the lewis hole, it has the metal sheet to bury the shaping between polytetrafluoroethylene surface course and the polytetrafluoroethylene bottom. The utility model relates to a novelty, excellent in use effect takes the anticorrosive rubber pad of fixed connection through tearing at the polytetrafluoroethylene surface course, and the gasket is held between the fingers to the person of facilitating the installation, improves the efficiency of installation, and the metal sheet improves the structural strength of gasket, and anti tear performance is good, and cavity cooperation rubber ball uses, has fine elasticity performance, improves the leakproofness.
Description
Technical Field
The utility model relates to a seal gasket technical field especially relates to a compound seal gasket of polytetrafluoroethylene.
Background
The gasket can be classified into a nonmetal gasket, a metal gasket and a metal-nonmetal combined gasket according to the material and the structural characteristics, and each type can be subdivided into a plurality of types. The polytetrafluoroethylene gasket is abbreviated as PTFE (commonly known as plastic king) in English, and the material product has the characteristics of acid resistance, alkali resistance, high temperature resistance and resistance to various organic solvents. The application in the chemical pharmaceutical industry is very wide, and the nose is called as the nose ancestor of the gasket world.
However, the existing polytetrafluoroethylene composite sealing gasket has the following disadvantages in use: 1. the gasket is in a circular ring shape, so that the gasket is inconvenient to hold when in use, is easy to deviate, and reduces the sealing performance of an installation position; 2. the gasket is soft in texture and is easy to break; 3. the contractibility of the gasket needs to be improved, and the sealing effect is influenced. Therefore, we propose a polytetrafluoroethylene composite sealing gasket.
SUMMERY OF THE UTILITY MODEL
The utility model provides a polytetrafluoroethylene composite sealing gasket, which aims to solve the problems that when the existing polytetrafluoroethylene composite sealing gasket is used, the gasket is in a ring shape, and is inconvenient to hold, so that the gasket is easy to deviate, and the sealing performance of an installation part is reduced; the gasket is soft in texture and is easy to break; the contractibility of the gasket needs to be improved, and the sealing effect is influenced.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of polytetrafluoroethylene composite seal gasket, including polytetrafluoroethylene surface course, polytetrafluoroethylene bottom and centre bore, polytetrafluoroethylene surface course and polytetrafluoroethylene bottom integrated into one piece, the centre bore is located polytetrafluoroethylene surface course and polytetrafluoroethylene bottom intermediate position, polytetrafluoroethylene surface course top can be dismantled through tearing the area and be connected with anticorrosive rubber pad, anticorrosive rubber pad surface is close to the top position and has seted up the lewis hole, it has the metal sheet to bury the shaping between polytetrafluoroethylene surface course and the polytetrafluoroethylene bottom, through-hole and arc recess have been seted up respectively to the metal sheet surface, the cavity has all been seted up to polytetrafluoroethylene surface course and the inside swing joint rubber ball of cavity.
Optionally, the thickness of the tearing belt is smaller than that of the anticorrosive rubber pad, the surface of the anticorrosive rubber pad is provided with anti-slip lines, and the anti-slip lines are located below the lifting holes.
Optionally, the number of the through holes is eight, and the number of the arc-shaped grooves is eight.
Optionally, the through holes and the arc-shaped grooves are alternately distributed on the surface of the metal plate at equal intervals.
Optionally, the cavities and the rubber balls are all arrays and correspond to each other one by one.
Optionally, the metal plate is coated between the polytetrafluoroethylene surface layer and the polytetrafluoroethylene bottom layer.
The utility model has the advantages as follows:
1. the utility model discloses polytetrafluoroethylene surface course and polytetrafluoroethylene bottom integrated into one piece, the centre bore is located polytetrafluoroethylene surface course and polytetrafluoroethylene bottom intermediate position, polytetrafluoroethylene surface course top can be dismantled through tearing the area and be connected with anticorrosive rubber pad, anticorrosive rubber pad surface is close to the top position and has seted up the lewis hole, the thickness of tearing the area is less than the thickness of anticorrosive rubber pad, anti-skidding line has been seted up on anticorrosive rubber pad surface, anti-skidding line is located the lewis hole below, the lewis hole conveniently hangs and fixes on the support piece surface, the handheld anticorrosive rubber pad of installer, conveniently take the gasket, accomplish the installation, after the installation is accomplished, draw hard and drag anticorrosive rubber pad, break through tearing the area between anticorrosive rubber pad and the polytetrafluoroethylene surface course, let the outward appearance of gasket look more pleasing to the eye.
2. The utility model discloses it has the metal sheet to bury the shaping between polytetrafluoroethylene surface course and the polytetrafluoroethylene bottom, through-hole and arc recess have been seted up respectively to the metal sheet surface, the through-hole specifically is eight, the arc recess specifically is eight, through-hole and arc recess equidistance distribute in turn on the metal sheet surface, the metal sheet buries the shaping between polytetrafluoroethylene surface course and polytetrafluoroethylene bottom, the arc recess improves the area of contact between polytetrafluoroethylene surface course and polytetrafluoroethylene bottom and the metal sheet, improve the stability of connecting, the through-hole is used for the fixed connection between polytetrafluoroethylene surface course and the polytetrafluoroethylene bottom.
3. The utility model discloses the cavity has all been seted up to polytetrafluoroethylene surface course and polytetrafluoroethylene bottom inside, the inside swing joint rubber ball of cavity, cavity and rubber ball are the array, and cavity and rubber ball one-to-one, and polytetrafluoroethylene surface course and polytetrafluoroethylene bottom self have fine sealed and contractility ability, and when the gasket received pressure, the inside rubber ball of cavity received the pressure effect, and the rubber ball relies on the elastic action of self, further improves the sealing performance of gasket.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a polytetrafluoroethylene composite sealing gasket according to an embodiment of the present invention;
fig. 2 is a schematic view of a metal plate structure of a polytetrafluoroethylene composite sealing gasket according to an embodiment of the present invention;
fig. 3 is a schematic view of the position structure of the teflon surface layer, the metal plate and the teflon bottom layer of the teflon composite sealing gasket according to the embodiment of the present invention.
In the figure: 1. a polytetrafluoroethylene facing; 101. a concave cavity; 102. a rubber ball; 2. a metal plate; 201. a through hole; 202. an arc-shaped groove; 3. a polytetrafluoroethylene bottom layer; 4. a central bore; 5. tearing the belt; 6. an anticorrosive rubber pad; 601. anti-skid lines; 602. and (4) hoisting holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A polytetrafluoroethylene composite sealing gasket according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1, 2 and 3, a polytetrafluoroethylene composite sealing gasket provided by an embodiment of the invention comprises a polytetrafluoroethylene surface layer 1, a polytetrafluoroethylene bottom layer 3 and a central hole 4, the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3 are integrally formed, the central hole 4 is positioned in the middle of the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3, an anti-corrosion rubber pad 6 is detachably connected above the polytetrafluoroethylene surface layer 1 through a tearing belt 5, a lifting hole 602 is arranged on the surface of the anti-corrosion rubber pad 6 near the top end, a metal plate 2 is embedded and molded between the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3, through-hole 201 and arc recess 202 have been seted up respectively on metal sheet 2 surface, cavity 101 has all been seted up to polytetrafluoroethylene surface course 1 and polytetrafluoroethylene bottom 3 inside, the inside swing joint rubber ball 102 of cavity 101.
Referring to fig. 1, the thickness of tearing area 5 is less than the thickness of anticorrosive rubber pad 6, anti-skidding line 601 has been seted up on anticorrosive rubber pad 6 surface, anti-skidding line 601 is located lifting eye 602 below, and lifting eye 602 conveniently hangs and fixes on the support piece surface, and the installer holds anticorrosive rubber pad 6 by hand, conveniently takes the gasket, accomplishes the installation operation, after the installation is accomplished, draws anticorrosive rubber pad 6 hard, through tearing the fracture of area 5 between anticorrosive rubber pad 6 and the polytetrafluoroethylene surface course 1, lets the outward appearance of gasket look more pleasing to the eye.
Referring to fig. 2, the through holes 201 are eight in detail, the arc-shaped grooves 202 are eight in detail, the metal plate 2 is embedded and molded between the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3, the arc-shaped grooves 202 improve the contact area between the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3 and the metal plate 2, the connection stability is improved, and the through holes 201 are used for fixedly connecting the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3.
Referring to fig. 2, the through holes 201 and the arc grooves 202 are distributed on the surface of the metal plate 2 at equal intervals, the metal plate 2 is embedded and molded between the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3, the arc grooves 202 improve the contact area between the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3 and the metal plate 2, the connection stability is improved, and the through holes 201 are used for fixedly connecting the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3.
Referring to fig. 3, the cavities 101 and the rubber balls 102 are respectively an array, the cavities 101 and the rubber balls 102 are in one-to-one correspondence, the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3 have good sealing and shrinking performances, when the gasket is under pressure, the rubber balls 102 inside the cavities 101 are under pressure, and the rubber balls 102 further improve the sealing performance of the gasket by virtue of the elastic action of the rubber balls 102.
Referring to fig. 1 and 3, the metal plate 2 is coated between the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3, the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3 protect the upper and lower surfaces of the metal plate 2, the metal plate 2 improves the structural strength of the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3, and the tear resistance is good.
The embodiment of the utility model provides a polytetrafluoroethylene composite sealing gasket, polytetrafluoroethylene surface course 1 and polytetrafluoroethylene bottom layer 3 are integrated into one piece, centre bore 4 is located polytetrafluoroethylene surface course 1 and polytetrafluoroethylene bottom layer 3 intermediate position, polytetrafluoroethylene surface course 1 top is through tearing area 5 detachable connection with anticorrosive rubber pad 6, anticorrosive rubber pad 6 surface is close to the top position and has been seted up lifting hole 602, the thickness of tearing area 5 is less than anticorrosive rubber pad 6 thickness, anticorrosive rubber pad 6 surface has been seted up anti-skidding line 601, anti-skidding line 601 is located lifting hole 602 below, lifting hole 602 conveniently hangs and fixes on the support piece surface, installer holds anticorrosive rubber pad 6, conveniently takes the gasket to hold, accomplish the installation operation, after the installation, pull hard anticorrosive rubber pad 6, through tearing area 5 fracture between anticorrosive rubber pad 6 and polytetrafluoroethylene surface course 1, the appearance of the gasket looks more beautiful; a metal plate 2 is embedded and molded between the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3, through holes 201 and arc-shaped grooves 202 are respectively formed in the surface of the metal plate 2, the number of the through holes 201 is eight, the number of the arc-shaped grooves 202 is eight, the through holes 201 and the arc-shaped grooves 202 are distributed on the surface of the metal plate 2 in an equidistant and alternate mode, the metal plate 2 is embedded and molded between the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3, the arc-shaped grooves 202 improve the contact area between the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3 and the metal plate 2, the connection stability is improved, and the through holes 201 are used for fixedly connecting the polytetrafluoroethylene surface layer 1 and the polytetrafluoroethylene bottom layer 3; cavity 101 has all been seted up to polytetrafluoroethylene surface course 1 and 3 insides of polytetrafluoroethylene bottom, the inside swing joint rubber ball 102 of cavity 101, cavity 101 and rubber ball 102 are the array, and cavity 101 and rubber ball 102 one-to-one, polytetrafluoroethylene surface course 1 and polytetrafluoroethylene bottom 3 self have fine sealed and shrink performance, when the gasket received pressure, the inside rubber ball 102 of cavity 101 received the pressure effect, rubber ball 102 relies on the elastic action of self, further improve the sealing performance of gasket.
It should be noted that, the utility model relates to a polytetrafluoroethylene composite sealing gasket, including polytetrafluoroethylene surface course 1, cavity 101, rubber ball 102, metal sheet 2, through-hole 201, arc recess 202, polytetrafluoroethylene bottom 3, centre bore 4, tear area 5, anticorrosive rubber pad 6, anti-skidding line 601, lewis hole 602, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all can all be known or can be known through conventional experimental method for this technical staff, and the applicant does not do specific limitation here.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a polytetrafluoroethylene composite seal gasket, includes polytetrafluoroethylene surface course (1), polytetrafluoroethylene bottom (3) and centre bore (4), polytetrafluoroethylene surface course (1) and polytetrafluoroethylene bottom (3) integrated into one piece, centre bore (4) are located polytetrafluoroethylene surface course (1) and polytetrafluoroethylene bottom (3) intermediate position, its characterized in that, polytetrafluoroethylene surface course (1) top can be dismantled through tear tape (5) and be connected with anticorrosive rubber pad (6), the surface of anticorrosive rubber pad (6) is close to the top position and has been seted up lewis hole (602), it has metal sheet (2) to bury the shaping between polytetrafluoroethylene surface course (1) and polytetrafluoroethylene bottom (3), through-hole (201) and arc recess (202) have been seted up respectively on metal sheet (2) surface, cavity (101) have all been seted up to polytetrafluoroethylene surface course (1) and polytetrafluoroethylene bottom (3) inside, the interior of the cavity (101) is movably connected with a rubber ball (102).
2. The polytetrafluoroethylene composite sealing gasket according to claim 1, wherein the thickness of the tear tape (5) is smaller than that of the anticorrosive rubber gasket (6), the surface of the anticorrosive rubber gasket (6) is provided with anti-slip lines (601), and the anti-slip lines (601) are located below the hanging holes (602).
3. The polytetrafluoroethylene composite sealing gasket according to claim 1, wherein said through holes (201) are eight in number, and said arc-shaped grooves (202) are eight in number.
4. Polytetrafluoroethylene composite sealing gasket according to claim 1, wherein the through holes (201) and the arc-shaped grooves (202) are alternately arranged on the surface of the metal plate (2) at equal intervals.
5. The polytetrafluoroethylene composite sealing gasket according to claim 1, wherein the cavities (101) and the rubber balls (102) are in an array, and the cavities (101) and the rubber balls (102) are in one-to-one correspondence.
6. Polytetrafluoroethylene composite sealing gasket according to claim 1, characterised in that the metal sheet (2) is wrapped between a polytetrafluoroethylene facing (1) and a polytetrafluoroethylene base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807040.1U CN210890049U (en) | 2019-10-25 | 2019-10-25 | Polytetrafluoroethylene composite sealing gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807040.1U CN210890049U (en) | 2019-10-25 | 2019-10-25 | Polytetrafluoroethylene composite sealing gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210890049U true CN210890049U (en) | 2020-06-30 |
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ID=71314754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921807040.1U Active CN210890049U (en) | 2019-10-25 | 2019-10-25 | Polytetrafluoroethylene composite sealing gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210890049U (en) |
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2019
- 2019-10-25 CN CN201921807040.1U patent/CN210890049U/en active Active
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