CN208203996U - A kind of screw-type wear-resistant seal circle - Google Patents
A kind of screw-type wear-resistant seal circle Download PDFInfo
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- CN208203996U CN208203996U CN201820373682.4U CN201820373682U CN208203996U CN 208203996 U CN208203996 U CN 208203996U CN 201820373682 U CN201820373682 U CN 201820373682U CN 208203996 U CN208203996 U CN 208203996U
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- sealing
- sealing ring
- ring body
- screw
- outer lip
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Abstract
The utility model relates to sealing ring technical fields, more particularly to a kind of screw-type wear-resistant seal circle, including sealing ring body, the sealing ring body outer diameter is equipped with screw thread raised line, both ends are equipped with dual sealing outer lip, the section of the screw thread raised line is trapezoidal or cylindrical setting, it is equipped in the screw thread raised line and reinforces inner core, the internal diameter of the sealing ring body is equipped with sealing epipharynx, groove is equipped with close to sealing epipharynx, V-type elastic slice is equipped in the groove, the sealing epipharynx and sealing outer lip mutually stagger setting, and the V-type elastic slice corresponds to each other setting with sealing outer lip；The surface of the sealing ring body is coated with PTEE layers；The utility model is provided with the sealing ring of thread shape for sealing ring body outer diameter, in piston seal, can reduce coefficient of friction, improve abrasion resistant effect.
Description
Technical field
The utility model relates to sealing ring technical fields, more particularly to a kind of screw-type wear-resistant seal circle.
Background technique
Sealing ring is suitable on various mechanical equipments, in defined temperature, pressure and different liquids and gases
In medium, seal under static or motion state.In lathe, ship, automobile, aerospace equipment, metallurgical machinery, change
Work machinery, engineering machinery, building machinery, mining machinery, petroleum machinery, plastics machinery, agricultural machinery and all kinds of instrument and meters
On, widely apply various types of sealing elements.
The existing axis for having seal request, hole cooperation, generalling use section is circular O-ring seal.Common O shape sealing
The inner ring of circle is that an annular line contacts with the in sealing contact of axis outer wall, and sealing effect is poor, is easy to happen leakage.Therefore existing
Having the sealing ring in technology still there are problems that needing eager solution, and such as: service life is short in the environment of recycling friction, especially
In high-speed motion, coefficient of friction is larger for it, is easy to appear ring wear situation, and just directly resulting in sealing ring cannot make again
With whole wear-resisting property is poor.
Utility model content
To solve the above problems, the utility model provide it is a kind of for sealing ring body outer diameter be provided with thread shape it is close
Seal can reduce coefficient of friction in piston seal, improve the screw-type wear-resistant seal circle of abrasion resistant effect.
The technical scheme adopted by the utility model is a kind of screw-type wear-resistant seal circle, including sealing ring body, it is described
Sealing ring body outer diameter is equipped with screw thread raised line, and both ends are equipped with dual sealing outer lip, the section of the screw thread raised line be it is trapezoidal or
Cylinder setting, interior be equipped with of the screw thread raised line reinforce inner core, and the internal diameter of the sealing ring body is equipped with sealing epipharynx, close close
It seals epipharynx and is equipped with groove, V-type elastic slice is equipped in the groove, the sealing epipharynx and sealing outer lip mutually stagger setting, the V
Type elastic slice corresponds to each other setting with sealing outer lip；The surface of the sealing ring body is coated with PTEE layers.
Further improvement of these options is that the sealing ring body is equipped with metal pressure close to the both ends of sealing outer lip
Piece.
Further improvement of these options is the sealing ring body and sealing screw thread raised line, sealing outer lip and sealing
Epipharynx integrated injection molding.
Further improvement of these options is that the reinforcing inner core inside the screw thread raised line is spring, with sealing ring
Ontology integrated injection molding.
Further improvement of these options is that the corresponding installation V-type elastic slice position of the groove is equipped with block.
Further improvement of these options is that the V-type elastic slice is stainless steel elastic slice.
Further improvement of these options is that the PTEE layers of thickness range is in 0.01mm~0.1mm.
The utility model has the following beneficial effects:
In a first aspect, being equipped with sealing ring body, the sealing ring body outer diameter is equipped with screw thread raised line, is risen by screw thread raised line
It being acted on to thread seal, and friction can be reduced in movable sealing, sealing effect is good, and both ends are equipped with dual sealing outer lip,
Sealing function is played to the outside of installing component by sealing outer lip, improves sealing effect, and is outer by sealing when in use
Lip can play a protective role to screw thread raised line, and protecting effect is good, and sealing effect is good；Second aspect, the section of the screw thread raised line
For trapezoidal or cylindrical setting, the contact surface with installing component can be reduced using trapezoidal or cylindrical shape, while decreasing and rubbing
It wipes, sealing effect is good, and abrasion resistant effect is good, is equipped in the screw thread raised line and reinforces inner core, is risen by reinforcing inner core to screw thread raised line
To reinforcing and sealing function, sealing effect is good, improves abrasion resistant effect；The third aspect, the internal diameter of the sealing ring body are equipped with close
Epipharynx is sealed, sealing function is played to the inside of mounting portion by sealing epipharynx, sealing effect is good, is equipped with close to sealing epipharynx recessed
Slot, the groove is interior to be equipped with V-type elastic slice, and elastic reaction can be played to sealing ring body by V-type elastic slice, in use can be to close
Seal ontology plays opening and closing sealing function, and sealing effect is good；Fourth aspect, the sealing epipharynx are mutually staggered with sealing outer lip and are set
It sets, the V-type elastic slice corresponds to each other setting with sealing outer lip, and sealing epipharynx and sealing outer lip are arranged in a staggered manner, sealing can be improved
The stretching elasticity of ontology is enclosed, while can also reduce sealing epipharynx and seal the friction of outer lip, it can will by the effect of V-type elastic slice
Sealing outer lip plays the role of tension elastomeric, can further function as sealing effect；The surface of 5th aspect, the sealing ring body applies
PTEE layers are covered with, PTEE layers are polytetrafluoroethylene (PTFE) (Poly tetra fluoroethylene, be abbreviated as PTFE), this material
Have the characteristics that antiacid alkali resistant, resist various organic solvents, meanwhile, polytetrafluoroethylene (PTFE) has the characteristics that resistant to high temperature, its friction system
Number is extremely low, so can guarantee the abrasion resistant effect and corrosion resistance of sealing ring body after can making lubricating action.
In the utility model, the sealing ring for being provided with thread shape for sealing ring body outer diameter can in piston seal
Coefficient of friction is reduced, abrasion resistant effect is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Description of drawing identification: sealing ring body 100, screw thread raised line 110, sealing outer lip 120, reinforce inner core 130, sealing in
Lip 140, groove 150, V-type elastic slice 160, PTEE layer 170, block 180.
Specific embodiment
The utility model is further described below in conjunction with attached drawing.
As shown in Figure 1, being the structural schematic diagram of the utility model.
A kind of screw-type wear-resistant seal circle, including sealing ring body 100,100 outer diameter of sealing ring body are equipped with screw thread
Raised line 110, both ends are equipped with dual sealing outer lip 120, and the section of the screw thread raised line 110 is trapezoidal or cylindrical setting, institute
It states to be equipped in screw thread raised line 110 and reinforces inner core 130, the internal diameter of the sealing ring body 100 is equipped with sealing epipharynx 140, close to close
It seals epipharynx 140 and is equipped with groove 150, V-type elastic slice 160, the sealing epipharynx 140 and sealing outer lip 120 are equipped in the groove 150
Setting is mutually staggered, the V-type elastic slice 160 corresponds to each other setting with sealing outer lip 120；The surface of the sealing ring body 100
Coated with PTEE layer 170.
In a first aspect, being equipped with sealing ring body 100,100 outer diameter of sealing ring body is equipped with screw thread raised line 110, passes through
Screw thread raised line 110 plays the role of thread seal, and friction can be reduced in movable sealing, and sealing effect is good, and both ends are equipped with double
The sealing outer lip 120 of weight plays sealing function to the outside of installing component by sealing outer lip 120, improves sealing effect, and
It can be played a protective role when in use to screw thread raised line 110 by sealing outer lip 120, protecting effect is good, and sealing effect is good；Second
Aspect, the section of the screw thread raised line 110 are trapezoidal or cylindrical setting, can be reduced using trapezoidal or cylindrical shape and mounting portion
The contact surface of part, while friction is decreased, sealing effect is good, and abrasion resistant effect is good, is equipped in reinforcing in the screw thread raised line 110
Core 130 plays reinforcing and sealing function to screw thread raised line 110 by reinforcing inner core 130, and sealing effect is good, improves abrasion resistant effect；
The third aspect, the internal diameter of the sealing ring body 100 is equipped with sealing epipharynx 140, by sealing epipharynx 140 to the inside of mounting portion
Sealing function is played, sealing effect is good, is equipped with groove 150 close to sealing epipharynx 140, is equipped with V-type elastic slice in the groove 150
160, elastic reaction can be played to sealing ring body 100 by V-type elastic slice 160, sealing ring body 100 can be played in use
Opening and closing sealing function, sealing effect are good；Fourth aspect, the sealing epipharynx 140 mutually stagger setting, institute with sealing outer lip 120
It states V-type elastic slice 160 and corresponds to each other setting with sealing outer lip 120, sealing epipharynx 140 and sealing outer lip 120 are arranged in a staggered manner, can be mentioned
The stretching elasticity of highly dense seal ontology 100, while can also reduce sealing epipharynx 140 and seal the friction of outer lip 120, pass through V
Sealing outer lip 120 can be played the role of tension elastomeric by the effect of type elastic slice 160, can further function as sealing effect；5th aspect,
The surface of the sealing ring body 100 is coated with PTEE layer 170, and PTEE layer 170 is polytetrafluoroethylene (PTFE) (Poly tetra
Fluoroethylene is abbreviated as PTFE), this material has the characteristics that antiacid alkali resistant, resists various organic solvents, meanwhile, gather
Tetrafluoroethene has the characteristics that resistant to high temperature, its coefficient of friction is extremely low, so can guarantee sealing ring after can making lubricating action
The abrasion resistant effect and corrosion resistance of ontology 100.Sealing ring body 100 is equipped with metal sheeting close to the both ends of sealing outer lip 120,
Tension position is not needed to V-type elastic slice 160 by metal sheeting and plays suppression, prevents 160 overtension of V-type elastic slice from causing
Sealing effect problem of poor occurs.
Sealing ring body 100 and sealing screw thread raised line 110, sealing outer lip 120 and sealing 140 integrated injection molding of epipharynx,
It is integrally formed using injection molding manner, good forming effect, sealing ring body 100 is TPEE injection molded, TPEE (thermoplastic polyester bullet
Property body) it is the block copolymer containing polyester hard section and polyester soft segment.Wherein polyester soft segment and uncrystallized polyester are formed without fixed
Shape phase polyester hard section partially crystallizable forms crystalline domains, plays physical crosslinking point.TPEE has the elasticity and engineering of rubber
The intensity of plastics；Soft segment assigns its elasticity, makes it as rubber；Hard section assigns its processing performance, makes it as plastics；With rubber phase
Than it has better processing performance and longer service life；Compared with engineering material, equally have the characteristics that intensity is high, and
Flexibility and dynamic mechanical are more preferable.
Reinforcing inner core 130 inside screw thread raised line 110 is spring, with 100 integrated injection molding of sealing ring body, is used
Integral type injection molded, integraty is stronger, and use intensity is higher, is suitble to flexible stretch to seal use, reinforcing inner core 130 is spring
Setting can increase the use intensity of sealing ring body 100 and reinforce elastic strength, and use intensity is high, and practicability is stronger.
Corresponding installation 160 position of V-type elastic slice of groove 150 is equipped with block 180, by block 180 that V-type elastic slice 160 is fixed
In groove 150, good fixing effect is easily installed.
V-type elastic slice 160 is stainless steel elastic slice, is arranged using stainless steel elastic slice, long service life, and use intensity is higher.
For 170 thickness range of PTEE layer in 0.01mm~0.1mm, PTEE thickness is preferably that 0.05mm is used, can be to sealing
Circle ontology 100 plays a very good protection, and improves abrasion resistant effect and anticorrosion ability, long service life.
In the utility model, the sealing ring of thread shape is provided with for 100 outer diameter of sealing ring body, in piston seal
In, coefficient of friction can be reduced, abrasion resistant effect is improved.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (7)
1. a kind of screw-type wear-resistant seal circle, it is characterised in that: including sealing ring body, the sealing ring body outer diameter is equipped with spiral shell
Line raised line, both ends are equipped with dual sealing outer lip, and the section of the screw thread raised line is trapezoidal or cylindrical setting, and the screw thread is convex
It is equipped in item and reinforces inner core, the internal diameter of the sealing ring body is equipped with sealing epipharynx, is equipped with groove close to sealing epipharynx, described recessed
V-type elastic slice is equipped in slot, the sealing epipharynx and sealing outer lip mutually stagger setting, and the V-type elastic slice and sealing outer lip are mutual
It is correspondingly arranged；The surface of the sealing ring body is coated with PTEE layers.
2. a kind of screw-type wear-resistant seal circle according to claim 1, it is characterised in that: the sealing ring body is close to close
The both ends of envelope outer lip are equipped with metal sheeting.
3. a kind of screw-type wear-resistant seal circle according to claim 2, it is characterised in that: the sealing ring body and sealing
Screw thread raised line, sealing outer lip and sealing epipharynx integrated injection molding.
4. a kind of screw-type wear-resistant seal circle according to claim 3, it is characterised in that: adding inside the screw thread raised line
Gu inner core is spring, with sealing ring body integrated injection molding.
5. a kind of screw-type wear-resistant seal circle according to claim 4, it is characterised in that: the corresponding installation V-type of the groove
Elastic slice position is equipped with block.
6. a kind of screw-type wear-resistant seal circle according to claim 5, it is characterised in that: the V-type elastic slice is stainless steel
Elastic slice.
7. a kind of screw-type wear-resistant seal circle according to claim 6, it is characterised in that: the PTEE layers of thickness range exists
0.01mm~0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820373682.4U CN208203996U (en) | 2018-03-19 | 2018-03-19 | A kind of screw-type wear-resistant seal circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820373682.4U CN208203996U (en) | 2018-03-19 | 2018-03-19 | A kind of screw-type wear-resistant seal circle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208203996U true CN208203996U (en) | 2018-12-07 |
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ID=64527254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820373682.4U Active CN208203996U (en) | 2018-03-19 | 2018-03-19 | A kind of screw-type wear-resistant seal circle |
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| Country | Link |
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| CN (1) | CN208203996U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460218A (en) * | 2020-11-27 | 2021-03-09 | 西安理工大学 | Sealing device of contact type ball screw |
| CN113007349A (en) * | 2020-12-01 | 2021-06-22 | 江苏海创知识产权服务有限公司 | Duplex composite connection sealing element |
-
2018
- 2018-03-19 CN CN201820373682.4U patent/CN208203996U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460218A (en) * | 2020-11-27 | 2021-03-09 | 西安理工大学 | Sealing device of contact type ball screw |
| CN113007349A (en) * | 2020-12-01 | 2021-06-22 | 江苏海创知识产权服务有限公司 | Duplex composite connection sealing element |
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