CN207661212U - Sealing ring and seal assembly - Google Patents
Sealing ring and seal assembly Download PDFInfo
- Publication number
- CN207661212U CN207661212U CN201721774327.XU CN201721774327U CN207661212U CN 207661212 U CN207661212 U CN 207661212U CN 201721774327 U CN201721774327 U CN 201721774327U CN 207661212 U CN207661212 U CN 207661212U
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- wall
- sealing ring
- sealing
- contact
- rotary shaft
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Abstract
The application provides a kind of sealing ring and seal assembly for sealing rotary shaft, and sealing ring has outer wall and inner wall；Outer wall includes one or more exterior ribs, and exterior rib is arranged along the circumferencial direction of outer wall；Inner wall includes one or more portions in sealing contact extended inwardly from inner wall, and portion in sealing contact is arranged along the circumferencial direction of inner wall；Wherein, sealing ring is made of elastic material.This sealing ring and using this sealing ring sealing structure can not only reduce cost, improve yields while optimize assemble sequence, be conducive to miniaturization and high-volume Automated assembly, moreover it is possible to improve the sealing effect and service life of sealing ring.
Description
Technical field
This application involves a kind of sealing ring and sealing structure, more particularly to a kind of sealing ring and sealing knot for rotary shaft
Structure.Sealing ring and sealing structure in the application are used for universal machine field, particularly can be used for the thermostat neck of internal combustion engine
Domain.
Background technology
Thermostat for internal combustion engine generally includes the hollow valve body of shell and setting inside the shell.Shell is equipped at least
Three ports, i.e., the engine port for being connected to internal-combustion engine cooling system, the radiator port for being connected to radiator
With for the bypass ports with bypass.Hollow valve body by driving device drives in the shell can spinning revolve around the shaft
Turn.Hollow valve body is equipped at least one hole, by the rotation of hollow valve body, at least one hole can optionally with shell
One or several coolant liquid connectivity ports connection, so as to by thermostat selectively guide coolant liquid from internal combustion engine pass through
It crosses bypass or radiator returns to internal combustion engine.Since the shaft of hollow valve body is connect with driving device, and the shaft of hollow valve body
In coolant liquid environment, it is therefore desirable to sealing be set between the shaft and driving device of hollow valve body, to prevent from cooling down
Liquid enters along shaft in driving device, in case driving device by coolant liquid because corroded and generation short circuit, corrosion, wear etc..
The sealing ring for being traditionally used for rotary shaft is generally sealed using band animal oil comprising metallic framework and rubber.Specifically,
It is enclosed in the external of metallic framework with animal oil and wraps up one layer of rubber.Metallic framework provides tension, and sealing ring is fixed on sealing position
It sets.However, the structure that this conventional seals circle is combined as a result of metallic framework and rubber phase, therefore material cost and system
Cause this higher, and the defect rate of finished product is also higher.And the construction of metallic framework determines it in assembly to installation essence
Degree requires very high.This is because in assembly, the characteristic for being fixed on the tension on shell is provided since metallic framework has,
Therefore metallic framework must just be positioned in installation site before installing rotary shaft, then again be inserted rotary shaft.So
And the band animal oil envelope for being positioned in installation site requires rotary shaft accurately placed in the middle, the otherwise meeting when installing rotary shaft
So that discontinuity reduces the close of sealing ring to the rubber contacted with rotary shaft so as to damage sealing ring at various locations
Seal effect and service life.
Therefore, it is necessary to a kind of new sealing ring and sealing structure, optimization assembly while reducing cost, improving yields
Sequentially, it is conducive to miniaturization and high-volume Automated assembly, and improves the sealing effect and service life of sealing ring.
Utility model content
The exemplary embodiment of the application can solve at least some above problems.
According to the application's in a first aspect, the application provides a kind of sealing ring for sealing rotary shaft, the sealing ring
With outer wall and inner wall；The outer wall includes one or more exterior ribs, and the exterior rib is along the circumference side of the outer wall
To setting；The inner wall includes one or more portions in sealing contact extended inwardly from the inner wall, the portion in sealing contact
Circumferencial direction along the inner wall is arranged；Wherein, the sealing ring is made of elastic material.
According to above-mentioned sealing ring, the portion in sealing contact is two, one of them described portion in sealing contact is from the inner wall
Extend obliquely, another described portion in sealing contact extends obliquely from the inner wall.
According to above-mentioned sealing ring, the axial cross section of the sealing ring is K shape structures, is had between two portions in sealing contact recessed
Portion, the recess portion is for accommodating greasing substance.
According to above-mentioned sealing ring, the portion in sealing contact is one, and the portion in sealing contact is oblique downward from the inner wall
It stretches, so that the axial cross section of the sealing ring is Y-shaped structure；
The upper end of the sealing ring is provided with hook part, and the hook part is arranged along the circumferencial direction of the inner wall,
It glides in an axial direction for limiting the sealing ring.
According to above-mentioned sealing ring, the elastic material is EPDM.
According to above-mentioned sealing ring, the sealing ring is injection molding.
According to the second aspect of the application, the application provides a kind of sealing structure, and the sealing structure includes：
Sealing ring, the sealing ring have outer wall and inner wall；The outer wall includes one or more exterior ribs, described outer
Portion's rib is arranged along the circumferencial direction of the outer wall；The inner wall include it is one or more extended inwardly from the inner wall it is close
Sealing-in contact portion, the portion in sealing contact are arranged along the circumferencial direction of the inner wall；Wherein, the sealing ring is by elastic material system
At；
The top of valve body, the valve body has to recessed vessel；And
Rotary shaft, the rotary shaft pass through the vessel, the sealing ring to be arranged on the rotation in the vessel
At axis,
Wherein, the bottom of the vessel of the valve body, which is equipped with, adjusts contact site, described to adjust contact site and the sealing ring
Have between lower part and adjust gap, so that being connect with the adjusting contact site when sealing ring is along the axial rotary lower slider
It touches.
According to above-mentioned sealing structure, the bottom for adjusting contact site and protruding from the vessel of the valve body.
According to the third aspect of the application, the application provides a kind of sealing structure, and the sealing structure includes：
Sealing ring, the sealing ring have outer wall and inner wall；The outer wall includes one or more exterior ribs, described outer
Portion's rib is arranged along the circumferencial direction of the outer wall；The inner wall include it is one or more extended inwardly from the inner wall it is close
Sealing-in contact portion, the portion in sealing contact are arranged along the circumferencial direction of the inner wall；Wherein, the sealing ring is by elastic material system
At；The portion in sealing contact is one, and the portion in sealing contact extends obliquely from the inner wall, so that the sealing ring
Axial cross section is Y-shaped structure；The upper end of the sealing ring is provided with hook part, circumference of the hook part along the inner wall
Direction is arranged；
Rotary shaft, the sealing ring are arranged in the rotary shaft；And
Bearing, the bearing are arranged in the rotary shaft, and the lower end of the bearing has protrusion, the protrusion and institute
Hook part engagement is stated, is glided in an axial direction with limiting the sealing ring.
According to above two sealing structure, set between the sealing ring in sealing structure and the sealing ring in sealing structure
There is channel.
According to the sealing ring and sealing structure of the application, realizing that the while of reducing manufacturing cost, raising yields optimizes
Assemble sequence is conducive to miniaturization and high-volume Automated assembly, and improves the sealing effect and service life of sealing ring.
By considering following specific implementation mode, drawings and claims, the other feature, advantages and reality of the application
Applying example can be set forth or become apparent.In addition, it should be understood that above-mentioned application content and following specific implementation mode are equal
To be illustrative, and it is intended to provide further explanation, without limiting claimed scope of the present application.However, specific
Embodiment and specific example only indicate the preferred embodiment of the application.For those skilled in the art, in the application
Spirit and scope in variations and modifications will be become apparent by the specific implementation mode.
Description of the drawings
These and other feature and advantage of the application can read following detailed description and obtain more preferable geography by referring to accompanying drawing
Solution, throughout the drawings, identical reference numeral indicate identical component, wherein：
Fig. 1 shows the stereogram of the vehicle thermostat 100 according to one embodiment of the application；
Fig. 2A shows the exploded view of the vehicle thermostat 100 in Fig. 1；
Fig. 2 B show the axial sectional view of the vehicle thermostat 100 in Fig. 1；
Fig. 3 shows the axial section of the shell 150 in Fig. 1；
Fig. 4 shows the stereogram of the valve body 210 in Fig. 1；
Fig. 5 A show the axial cross-sectional view of the bearing 202 according to one embodiment of the application；
Fig. 5 B show the axial cross-sectional view of the sealing ring 204 according to one embodiment of the application；
Fig. 5 C show the axial cross-sectional view of the sealing ring 206 according to one embodiment of the application；
Fig. 6 is the partial enlarged view of Fig. 2 B, and it illustrates the sealing structures according to one embodiment of the application；
Fig. 7 A are according to the axial sectional view of the vehicle thermostat 100 of another embodiment of the application, and it illustrates tools
There is the sealing structure for adjusting contact site；
Fig. 7 B are according to the axial sectional view of the vehicle thermostat 100 of another embodiment of the application, Fig. 7 A's
On the basis of increase gasket 706.
Specific implementation mode
The various specific implementation modes of the application are described below with reference to the attached drawing for constituting this specification part.
Although should be understood that in this application using indicate direction term, such as "front", "rear", "upper", "lower", " left side ",
" right side ", etc. description the application of directions or directionality various example features and element, but use these terms herein
Purpose merely for convenience of description, the determination based on the example orientations shown in attached drawing.Due to disclosed in the present application real
Applying example can be arranged according to different directions, so these indicate that the term in direction is intended only as illustrating and should not be considered as limiting
System.In the following figures, same parts use same drawing number, similar parts to use similar drawing number,
To avoid repeated description.
The sealing ring and sealing structure of the application can be used for universal machine field.In order to preferably embody the close of the application
The practical application of seal and sealing structure, is hereafter described using vehicle thermostat as one embodiment.
Fig. 1 shows the stereogram of the vehicle thermostat 100 according to one embodiment of the application, Fig. 2A and 2B difference
Show the exploded view and axial sectional view of the vehicle thermostat 100 in Fig. 1.
As shown in Fig. 1,2A and 2B, vehicle thermostat 100 includes shell 150 and the hollow valve body being arranged in shell 150
210.Shell 150 is equipped with communicating pipe 106,108,110.Hollow valve body 210 is connected with rotary shaft 208, and in hollow valve body
210 are equipped with hole (not shown).It is rotated around rotary shaft 208 in shell 150 by application valve body 210, it can be with control hole
Hole and communicating pipe 106, one of 108,110 are aligned, so as to selectively guide coolant liquid from interior by vehicle thermostat 100
Combustion engine returns to internal combustion engine by bypass or radiator.The rotation of valve body 210 is realized by driving device (not shown).
With continued reference to Fig. 2 B, fragmenting plate 112 is equipped in shell 150.Fragmenting plate 112 is the annular being arranged in shell 150
Plate, have for rotary shaft 208 by opening 125 (and seeing Fig. 3).Space in shell 150 is divided by fragmenting plate 112
Portion's chamber 114 and lower chamber 116.Upper chamber 114 for accommodating driving device (not shown) at least partly.Lower chamber
116 for accommodating valve body 210 (referring to Fig. 2 B).After the lower chamber 116 that hollow valve body 210 is mounted on shell 150, rotation
Shaft 208 is stretched into across the opening 125 of fragmenting plate 112 in upper chamber 114.In upper chamber 114, rotary shaft 208 with
Driving device is connected.Due to accommodating coolant liquid in lower chamber 116, coolant liquid enters from lower chamber 116 and is located in order to prevent
The region of driving part in upper chamber 114 is provided with sealing ring 202 and close between fragmenting plate 112 and rotary shaft 208
Seal 206.
Fig. 3 shows the axial section of the shell 150 in Fig. 1.As shown in figure 3, shell 150 is lower part closing and top
The cylinder of opening.The bottom of shell 150 can also be not closed, and be used as inflow pipe or effuser.Fragmenting plate 112
Including upper surface 120 and lower surface 122.Channel 104 is equipped in fragmenting plate 112, shell 150 is run through in channel 104, with shell 150
External atmosphere, so that the few coolant that may be revealed from sealing structure 610 not directly enters upper chamber 114.
Fragmenting plate 112 is equipped with support portion 132, and support portion 132 is arranged around the opening 125 of fragmenting plate 112, and from fragmenting plate 112
Upper surface 120 upwardly extends.The upper end of support portion 132 is equipped with blocking portion 142.Support portion 132 and rotary shaft 208 it
Between be equipped with bearing 202 (as shown in Figure 2 B), blocking portion 142 can limit bearing 202 and axially upwardly move.Sealing ring 204 is installed
Between support portion 132 and rotary shaft 208 (as shown in Figure 2 B).Support portion 134 is additionally provided on fragmenting plate 112, support portion 134 is
The cylinder for extending downwardly and being formed from the distance of the lower surface of fragmenting plate 112 122 125 a distances of opening.Support portion 134 with
The fragmenting plate 112 in a distance between opening 125 forms blocking portion 144.Sealing ring 206 is mounted on support portion 134 and rotation
Between shaft 208 (as shown in Figure 2 B), blocking portion 144 can limit sealing ring 206 and axially upwardly be moved (see Fig. 2 B).
Fig. 4 shows the stereogram of the valve body 210 in Fig. 1.As shown in figure 4, valve body 210 includes upper valve body 212 and lower valve
Body 214, upper valve body 212 and lower valve body 214 are part ball section shape.Valve body 210 further includes demarcation strip 222, and demarcation strip 222 is arranged
In the junction of upper valve body 212 and lower valve body 214, to which the vessel in valve body 210 is divided into upper vessel 216 and lower vessel
218 (being not shown, refer to Fig. 7 A to 7B).Demarcation strip 222 is equipped with hole 224, so that rotary shaft 208 can pass through demarcation strip
222.Upper vessel 216 is for accommodating support portion 134 and sealing ring 206 (as shown in Figure 2 B).There is aforementioned hole in lower valve body 214
Valve body 210 and the lower chamber 116 in shell 150 are in fluid communication (not shown).Rotary shaft 208 can be for example by embedding
Part is molded forms one with valve body 210, can not also form one with valve body 210.In addition to it is shown in Fig. 4 include two spherical portions
Exceptionally, valve body 210 can also only include a spherical part.
Fig. 5 A and Fig. 5 B respectively illustrate the axial direction of the bearing 202 and sealing ring 204 according to one embodiment of the application
Section view.As shown in Figure 5A, bearing 202 is in hollow tubular, with inner wall 510 and outer wall 520.Inner wall 510 and rotary shaft
208 contacts.510 lower end of inner wall is matched with the stepped part 602 (referring to Fig. 6) in rotary shaft 208, to limit bearing 202 along axis
To downslide.The lower end of outer wall 520 is equipped with protrusion 522.
As shown in Figure 5 B, sealing ring 204 has outer wall 540 and inner wall 530.Outer wall 540 includes exterior rib 542,544,
Exterior rib 542,544 is arranged along the circumferencial direction of outer wall 540.Inner wall 530 includes being connect from the sealing that inner wall 530 extends inwardly
Contact portion 534, portion 534 in sealing contact is arranged along the circumferencial direction of inner wall 530, and portion in sealing contact 534 is oblique downward from inner wall 530
It stretches, so that the axial cross section of sealing ring 204 is Y-shaped structure.The upper end of sealing ring 204 is provided with hook part 570, hook portion
Part 570 is arranged along the circumferencial direction of inner wall 530.Hook part 570 can be engaged with the protrusion 522 of bearing 202, thus will be close
Seal 204 engages (as shown in Figure 6) with bearing 202.Under setting can limit sealing ring 204 in an axial direction by bearing 202 in this way
It is sliding.
It should be noted that bearing 202 can have a variety of different configuration modes from sealing ring 204.Show as one
Example, outer wall 540 may include one or more exterior ribs, and exterior rib is arranged along the circumferencial direction of outer wall 540.Make
For another example, inner wall 530 may include one or more portions in sealing contact extended inwardly from inner wall 530, and close
Sealing-in contact portion is arranged along the circumferencial direction of inner wall 530.
Fig. 5 C show the axial cross-sectional view of the sealing ring 206 according to one embodiment of the application.As shown in Figure 5 C,
Sealing ring 206 has outer wall 560 and inner wall 550.Outer wall 560 includes exterior rib 562,564, and exterior rib 562,564 is along outer
The circumferencial direction of wall 560 is arranged.Inner wall 550 includes the portion in sealing contact 554,556 extended inwardly from inner wall 550, and sealing connects
Contact portion 554,556 is arranged along the circumferencial direction of inner wall 550, one of them portion 554 in sealing contact extends obliquely from inner wall 550,
Another described portion 556 in sealing contact extends obliquely from inner wall 550, so that the axial cross section of sealing ring 206 is K shape structures.
Also there is recess portion 558, recess portion 558 can be used for accommodating greasing substance between two portions 554,556 in sealing contact.
It should be noted that outer wall 560 can also have more kinds of different configuration modes.As an example, outer wall
560 may include one or more exterior ribs, and exterior rib is arranged along the circumferencial direction of outer wall 560.As another
Example, inner wall 550 may include the portion in sealing contact that more are extended inwardly from inner wall 550, and portion in sealing contact is along interior
The circumferencial direction of wall 550 is arranged.
Sealing ring 204 and sealing ring 206 in the application are made of elastic material.Elastic material such as ethylene-propylene-diene monomer
Glue.In order to realize high-volume low cost production, sealing ring 204,206 can be injection molding.
Fig. 6 is the partial enlarged view of Fig. 2 B, it illustrates the sealing structure 600 according to one embodiment of the application,
610.As shown in fig. 6, sealing structure 600 be used between rotary shaft 208 and shell 105 formed sealing, with prevent coolant liquid from
Lower chamber 116 enters the region for the driving part being located in upper chamber 114, and can prevent point of the gas from shell 150
The gas passage 104 of partition board 120 enters the region for the driving part being located in upper chamber 114.Sealing structure 600 includes sealing
Circle 204, and with 204 matched structure of sealing ring.Specifically, the inner wall 510 of bearing 202 is resisted against rotary shaft 208
On；The lower end inside of bearing 202 is engaged with the stepped part 602 in rotary shaft 208；The outer wall 520 and shell of bearing 202
150 blocking portion 142 leans.Axially and radially moving for bearing 202 is limited by above-mentioned cooperation, to which bearing 202 is limited
It is scheduled between rotary shaft 208 and the blocking portion 142 of shell 150.Sealing ring 204 is sandwiched in the support portion of bearing 202 and shell 150
Between 132 so that the exterior rib 542,544 on the outer wall 540 of sealing ring 204 is resisted against on support portion 132, and sealing ring
204 portion in sealing contact 534 is resisted against in rotary shaft 208, therefore sealing ring 204 cannot move radially.The hook of sealing ring 204
Component 570 is engaged with the protrusion 522 of bearing 202, is glided in an axial direction to limit sealing ring 204.As a result, rotary shaft 208 with
No longer there is fluid passage between the fragmenting plate 112 of shell 150, to realize sealing point of the upper chamber 114 with channel 104
From.
When sealing ring 204 is installed to rigging position as shown in FIG. 6, since sealing ring 204 is made of elastic material, because
And exterior rib 542,544 are squeezed generation deformation, generate frictional force；Portion 534 in sealing contact can also be squeezed generation shape
Become, generates frictional force.When the rotary shaft 208 in vehicle thermostat 100 rotates, the friction that is subject to due to portion 534 in sealing contact
Power is less than the frictional force that exterior rib 542,544 is subject to, it is thus possible to which when rotary shaft 208 being made to rotate, sealing ring 204 is not with rotation
Shaft 208 rotates.
Bearing 202, sealing ring 204 and rotary shaft 208 can be installed in the following order：First by sealing ring 204 and bearing
After 202 engagements then installation is inserted into rotary shaft 208 to shell 150.But for the sealing ring 204 in the application,
It is inserted in rotary shaft 208 after can first engaging sealing ring 204 with bearing 202, is then installed into shell 150, this installation side
Formula, which is more advantageous to, realizes high-volume Automated assembly.
Sealing structure 610 is described below.As shown in fig. 6, sealing structure 610 be also used for rotary shaft 208 and shell 105 it
Between form sealing, to prevent the coolant in valve body 210 from entering in the gas passage 104 of shell 105 and prevent gas from gas
Body channel 104 enters in valve body 210, and further prevents coolant liquid to enter from lower chamber 116 and be located in upper chamber 114
The region of driving part.Sealing structure 610 include sealing ring 206, and with 206 matched structure of sealing ring.Specifically, close
Portion in sealing contact 554,556 on the inner wall 550 of seal 206 is resisted against in rotary shaft 208；On the outer wall 560 of sealing ring 206
Exterior rib 562,564 is resisted against on support portion 134, to limit moving radially for sealing ring 206；Sealing ring 206 it is upper
End is resisted against on the blocking portion 144 of shell 150, to which sealing ring 206 to be limited to the support portion of rotary shaft 208 and shell 150
Between 134.So far, no longer there is fluid channel due to the presence of sealing ring 206 between rotary shaft 208 and shell 150, to
Realize the sealing between rotary shaft 208 and shell 150.
Identical with sealing ring 204, sealing ring 206 is also to be made of elastic material, thus when sealing ring 206 is installed to
When rigging position as shown in FIG. 6, exterior rib 562,564 is squeezed generation deformation, generates frictional force；Portion in sealing contact
554,556 can also be squeezed generation deformation, generate frictional force.When the rotary shaft 208 in thermostat 100 rotates, due to close
The frictional force that sealing-in contact portion 554,556 is subject to is less than the frictional force that exterior rib 562,564 is subject to, it is thus possible to so that rotating
When axis 208 rotates, sealing ring 206 is not as rotary shaft 208 rotates.As an example, as previously mentioned, the axis of sealing ring 206
K shape structures are configured as to section, this makes there is recess portion 558 between two portions 554,556 in sealing contact, and recess portion 558 can
For accommodating greasing substance, to provide the effect of lubricating rotary axis 208.
Similar with sealing ring 204, sealing ring 206 and rotary shaft 208 can be installed in the following order：First by sealing ring
204 engaged with bearing 202 after installation to shell 150, be then inserted into rotary shaft 208.But for the sealing ring in the application
For 204, it is inserted in rotary shaft 208 after can also first engaging sealing ring 204 with bearing 202, is then installed into shell 150,
This mounting means, which is more advantageous to, realizes high-volume Automated assembly.
Fig. 7 A show the axial sectional view of the vehicle thermostat 100 according to another embodiment of the application, show
There is the sealing structure for adjusting contact site.As shown in Figure 7 A, the top surface 710 of the demarcation strip 222 of valve body 210 is (that is, vessel 216
Bottom) be equipped with adjust contact site 702 so that when sealing ring 206 is along 208 slide downward of rotary shaft with adjust contact site 702
Contact, to be supported.As one embodiment, the bottom that contact site 702 protrudes from the vessel 216 of valve body 210 is adjusted
(that is, top surface 710 of demarcation strip 222), adjust contact site 702 206 lower part of top and sealing ring between have adjust gap
704。
Fig. 7 B are according to the axial sectional view of the vehicle thermostat 100 of another embodiment of the application, Fig. 7 A's
On the basis of increase gasket 706.As shown in Figure 7 B, the bottom that contact site 702 is several vessels 216 for protruding from valve body 210 is adjusted
The arm in portion (that is, top surface 710 of demarcation strip 222), when in order to preferably enable sealing ring 206 along 208 slide downward of rotary shaft
It is supported, gasket 706 is set above contact site 702 adjusting.
Although being only shown and described herein to some features of the application, those skilled in the art are come
A variety of improvement and variation can be carried out by saying.It is therefore to be understood that the attached claims are intended to the fallen with the application reality of covering
Above-mentioned improvement in matter scope and variation.
Claims (9)
1. sealing ring (204,206) of the one kind for sealing rotary shaft (208), it is characterised in that：
The sealing ring (204,206) has outer wall (540,560) and inner wall (530,550)；
The outer wall (540,560) includes one or more exterior ribs (542,544,562,564), the exterior rib
(542,544,562,564) it is arranged along the circumferencial direction of the outer wall (540,560)；
The inner wall (530,550) includes one or more from the portion in sealing contact that the inner wall (530,550) extends inwardly
(534,554,556), the portion (534,554,556) in sealing contact are arranged along the circumferencial direction of the inner wall (530,550)；
Wherein, the sealing ring (204,206) is made of elastic material.
2. sealing ring (204,206) as described in claim 1, which is characterized in that the portion (554,556) in sealing contact is two
A, one of them described portion in sealing contact extends obliquely from the inner wall (550), another described portion in sealing contact is from described
Inner wall (550) extends obliquely.
3. sealing ring (204,206) as claimed in claim 2, which is characterized in that the axial cross section of the sealing ring (206) is
K shape structures have recess portion (558) between two portions (554,556) in sealing contact, and the recess portion (558) is for accommodating lubricator
Matter.
4. sealing ring (204,206) as described in claim 1, which is characterized in that the portion (534) in sealing contact is one,
The portion in sealing contact (534) extends obliquely from the inner wall (530), so that the axial cross section of the sealing ring (204)
For Y-shaped structure；
The upper end of the sealing ring (204) is provided with hook part (570), and the hook part (570) is along the inner wall (530)
Circumferencial direction setting, glide in an axial direction for limiting the sealing ring (204).
5. sealing ring (204,206) as described in claim 1, which is characterized in that the elastic material is EPDM.
6. sealing ring (204,206) as described in claim 1, which is characterized in that the sealing ring (204,206) is to be molded into
Type.
7. a kind of sealing structure (610), which is characterized in that the sealing structure (610) includes：
Sealing ring (206), the sealing ring (206) have outer wall (560) and inner wall (550)；
The outer wall (560) includes one or more exterior ribs (562,564), and the exterior rib (562,564) is along described
The circumferencial direction of outer wall (560) is arranged；
The inner wall (550) include it is one or more from the portion in sealing contact that the inner wall (550) extends inwardly (554,
556), the portion in sealing contact (554,556) is arranged along the circumferencial direction of the inner wall (550)；
Wherein, the sealing ring (206) is made of elastic material；
The top of valve body (210), the valve body (210) has to recessed vessel (216)；And
Rotary shaft (208), the rotary shaft (208) pass through the vessel (216), the sealing ring (204,206) to be arranged on
At the rotary shaft (208)；
Wherein, the bottom of the vessel (216) of the valve body (210), which is equipped with, adjusts contact site (702), the adjusting contact site
(702) have between the lower part of the sealing ring (206) and adjust gap (704), so that the sealing ring (206) is along described
It is contacted with the adjusting contact site (702) when rotary shaft (208) slide downward.
8. sealing structure (600) as claimed in claim 7, which is characterized in that the adjusting contact site (702) protrudes from described
The bottom of the vessel (216) of valve body (210).
9. a kind of sealing structure (600), which is characterized in that the sealing structure (600) includes：
Sealing ring (204), the sealing ring (204) have outer wall (540) and inner wall (530)；
The outer wall (540) includes one or more exterior ribs (542,544), and the exterior rib (542,544) is along described
The circumferencial direction of outer wall (540) is arranged；
The inner wall (530) includes one or more portions in sealing contact (534) extended inwardly from the inner wall (530), institute
The circumferencial direction that portion in sealing contact (534) is stated along the inner wall (530) is arranged；
Wherein, the sealing ring (204) is made of elastic material；
The portion in sealing contact (534) is one, and the portion (534) in sealing contact extends obliquely from the inner wall (530), with
So that the axial cross section of the sealing ring (204) is Y-shaped structure；
The upper end of the sealing ring (204) is provided with hook part (570), and the hook part (570) is along the inner wall (530)
Circumferencial direction setting；
Rotary shaft (208), the sealing ring (204) are arranged in the rotary shaft (208)；And
Bearing (202), the bearing (202) are arranged in the rotary shaft (208), and the lower end of the bearing (202) has
Raised (522), the protrusion (522) engages with the hook part (570), under limiting the sealing ring (204) in an axial direction
It is sliding.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721774327.XU CN207661212U (en) | 2017-12-18 | 2017-12-18 | Sealing ring and seal assembly |
| US16/208,723 US11079020B2 (en) | 2017-12-18 | 2018-12-04 | Seal ring and seal structure |
| EP18211219.3A EP3499097B1 (en) | 2017-12-18 | 2018-12-10 | Seal ring and seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721774327.XU CN207661212U (en) | 2017-12-18 | 2017-12-18 | Sealing ring and seal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661212U true CN207661212U (en) | 2018-07-27 |
Family
ID=62941876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721774327.XU Withdrawn - After Issue CN207661212U (en) | 2017-12-18 | 2017-12-18 | Sealing ring and seal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207661212U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931433A (en) * | 2017-12-18 | 2019-06-25 | 伊利诺斯工具制品有限公司 | Sealing ring and seal assembly |
| CN110886843A (en) * | 2019-12-04 | 2020-03-17 | 湖南湘钢工程技术有限公司 | Medium-low pressure piston type mechanical sealing device |
| CN111746620A (en) * | 2019-03-26 | 2020-10-09 | 株式会社山田制作所 | Steering shaft lever |
| CN111828277A (en) * | 2019-04-17 | 2020-10-27 | 青岛海尔洗衣机有限公司 | Washing machine water pump and washing machine |
| CN111850948A (en) * | 2019-04-17 | 2020-10-30 | 青岛海尔洗衣机有限公司 | Control method of washing machine water pump and washing machine water pump |
-
2017
- 2017-12-18 CN CN201721774327.XU patent/CN207661212U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931433A (en) * | 2017-12-18 | 2019-06-25 | 伊利诺斯工具制品有限公司 | Sealing ring and seal assembly |
| CN109931433B (en) * | 2017-12-18 | 2022-12-06 | 伊利诺斯工具制品有限公司 | Sealing ring and sealing assembly |
| CN111746620A (en) * | 2019-03-26 | 2020-10-09 | 株式会社山田制作所 | Steering shaft lever |
| CN111828277A (en) * | 2019-04-17 | 2020-10-27 | 青岛海尔洗衣机有限公司 | Washing machine water pump and washing machine |
| CN111850948A (en) * | 2019-04-17 | 2020-10-30 | 青岛海尔洗衣机有限公司 | Control method of washing machine water pump and washing machine water pump |
| CN111850948B (en) * | 2019-04-17 | 2022-11-15 | 重庆海尔洗衣机有限公司 | Control method of washing machine water pump and washing machine water pump |
| CN110886843A (en) * | 2019-12-04 | 2020-03-17 | 湖南湘钢工程技术有限公司 | Medium-low pressure piston type mechanical sealing device |
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