CN110332354A - A kind of head seal structure - Google Patents
A kind of head seal structure Download PDFInfo
- Publication number
- CN110332354A CN110332354A CN201910661540.7A CN201910661540A CN110332354A CN 110332354 A CN110332354 A CN 110332354A CN 201910661540 A CN201910661540 A CN 201910661540A CN 110332354 A CN110332354 A CN 110332354A
- Authority
- CN
- China
- Prior art keywords
- complementary area
- upper housing
- lower case
- seal structure
- head seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000295 complement effect Effects 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 6
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003292 glue Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of head seal structures, upper housing and lower case including pairing connection, the upper housing be formed with lower case outer rim junction be used for compensate mutually fastening after its opposite compression deformation complementary area, the complementary area is uniformly distributed along the side bottom where upper housing, and head and the tail connect and form cyclic structure, the upper housing and each side of lower case are respectively formed on the arch surface for reaction force in complementary area, the arch surface is directed toward complementary area position and the setting that is recessed, the outer rim junction of the lower case is provided with the sealing ring for being tightly connected with complementary area.The complementary area that the present invention passes through the deflection after the junction of shell forms and has compensation plastic parts compression, realize that the filling to junction compensates, and combine the pressing of sealing ring so that complementary area can effectively play the sealing effect of water-impervious, it is high to seal grade, simple installation is easy to dismount reusable.
Description
Technical field
The present invention relates to thermostat valve technical field, specially a kind of head seal structure.
Background technique
Due to supplying water now, heating field operating condition is complex, and the electronic component of intelligent temperature control valve is immersed in water for a long time
In will be unable to work normally, in order to solve the problems, such as this kind, the technological means mostly used greatly be poured into shell glue sealing or
Person fills software compression seal, and there are following technological deficiencies for above-mentioned two ways；
1: glue sealing mode, its sealing effect very well and very securely, but cannot be dismantled, cannot achieve recycling,
It is easy to overflow glue and influences appearance etc. when producing time-consuming, assembly.
2: filling software compression seal, in the indeformable situation of metalwork or compression of metals face, sealing effect is fine
And it is very stable, but compression piece is not metal but unstable and easily-deformable plastic parts, sealing effect then will appear problem, and
The more long then sealing effect of the distance of seal groove or joint face is poorer.
Summary of the invention
The purpose of the present invention is to provide a kind of head seal structures, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of head seal structure, connects including pairing
Upper housing and lower case, the upper housing be formed with lower case outer rim junction for compensate mutually fastening after its it is opposite compress
The complementary area of deflection, the complementary area are uniformly distributed along the side bottom where upper housing, and head and the tail connect and form ring-type
Structure, the upper housing and each side of lower case are respectively formed on the arch surface for reaction force in complementary area, the arch
Complementary area position and the setting that is recessed are directed toward in face, and the outer rim junction of the lower case is provided with to be connected for sealing with complementary area
The sealing ring connect.
The relational expression of the length e and compensation rate f of each vertical plane of upper housing are as follows:
f=e×G-e
Wherein, G is environmental variance, value 1.004.
The complementary area protrusion is simultaneously symmetrical arranged along the horizontal direction of upper housing side bottom, and is formed in its middle position
There is the lug boss of maximum compensation rate.
The maximum compensation rate of the lug boss is 3mm.
The upper housing and lower case are disposed as square case structure.
The maximum compensation rate of complementary area is all the same in the square casing structure.
As shown from the above technical solution, the present invention after the junction of shell forms and has compensation plastic parts compression by becoming
The complementary area of shape amount realizes that the filling to junction compensates, and combines the pressing of sealing ring so that complementary area can be played effectively
The sealing effect of water-impervious, sealing grade is high, simple installation, is easy to dismount reusable, specifically has the beneficial effect that institute
It states；
1: by having the Design of Balance Area for External of annular so that complementary area is after shell mutually fastens, in the middle part of protrusion can have
The compensation of effect deformation quantity as caused by compressive deformation, and the maximum compensation rate of this kind of complementary area is determined by the length in place face, it can
Accomplish that each independent contact surface can use compatible complementary area according to actually required compensation rate；
2: this kind complementary areas are formed in the junction of shell and shell, are generally formed in the lower edge of one of shell,
And another shell then forms the sealing ring for connecting the complementary area in its edge, this kind of design method may make that shell is easy
In processing, it can be achieved that Fast Installation and disassembly, and realize the effect repeatedly utilized；
3: the arcuate face for reacting on complementary area is formed in the side of shell, since complementary area can make after the fastening of both ends
It is whole along central axes symmetric curvature where complementary area to obtain shell, and generates deformation, and the design of arch surface can deform just
Be bent the deformation quantity of post-compensation shell itself, not it is easier that shell is since deformation leads to quality problems occur, this kind of arcuate face with
The collaboration setting of complementary area greatly improves the leakproofness of device；
4: the design of complementary area is passing through the optimized relation where it between length in face and its compensation rate, it can be achieved that after compensation
Each stress of the complementary area at place is unified, further improves its sealing effect.
Detailed description of the invention
Fig. 1 is that inventive shell separates perspective view of the explosion；
Fig. 2 is cross-sectional view after inventive shell connection；
Fig. 3 is side view of the present invention；
Fig. 4 is complementary area schematic diagram of the present invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing:
A kind of head seal structure as shown in Figs 1-4, upper housing 1 and lower case 2 including pairing connection, and turned at its four
It is threadedly coupled at angle by 21, since upper housing 1 and lower case 2 are generally adopted by plastic parts, traditional shell is in its combination
It is horizontal plane setting at face, when its upper housing 1 and lower case 2 are after its edge is fixedly connected by screw 21, among it
Position can cause its horizontal face to form certain deformation quantity due to compressing after fastening, so as to cause sealing fire resistance characteristic is lost,
Upper housing 1 used by the present embodiment be formed with 2 outer rim junction of lower case for compensate mutually fastening after its it is opposite compress
The complementary area 11 of deflection, the complementary area 11 are uniformly distributed along the side bottom where upper housing 1, and head and the tail are connected and formed
Cyclic structure, the upper housing 1 and each side of lower case 2 are respectively formed on for reaction force in the arch surface of complementary area 11
12, the compensation rate direction which is directed toward complementary area 11 is recessed setting, it should be noted that this kind of arch surface 12 is specific
Effect is: after the connection of upper and lower two shells, complementary area 11 acts on another shell engaging portion, application and arch surface after pressing
The power of 12 opposite directions, and the setting of 12 its arcwall face of arch surface can compensate the Curved variable after shell is pressurized just, effectively
Play the role of being used cooperatively with complementary area 11.
The outer rim junction of the lower case 2 is provided with the sealing ring 3 for being tightly connected with complementary area 11, needs emphasis
What is illustrated is this kind of upper housing 1 in the length e of its vertical plane and the compensation rate f relational expression of its complementary area 11 are as follows: f=e × G-e,
Middle G is context variable values, and value 1.004 makes concrete analysis and explanation below for the relational expression；
| e(mm) | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 |
| G | 1.004 | 1.004 | 1.004 | 1.004 | 1.004 | 1.004 | 1.004 | 1.004 | 1.004 |
| f(mm) | 0.12 | 0.16 | 0.2 | 0.24 | 0.28 | 0.32 | 0.36 | 0.40 | 0.44 |
G value is context variable values, which changes correspondingly with environmental change, sealing valve head described in the present embodiment
Structure installation site is in underwater environment, and context variable values G takes 1.004, and by upper Biao Ke get, this kind seals the compensation rate f of valve head
With the directly proportional variation of length e of its shell vertical plane, with the lengthening of e, compensation rate f also needs to increase therewith.
By the compensation rate of the complementary area 11 be determined according to the length e of the vertical plane of shell where it, admittedly can obtain
Out, when upper housing 1 and lower case 2 are square structure, the compensation rate of the complementary area 11 of bottom is equal where each side
It is identical, and when upper housing 1 and lower case 2 are anisotropic approach or are rectangle structure, compensation rate is then with place side length
Variation and change, the preferred upper housing 1 of the present embodiment and lower case 2 are disposed as square case structure, and its object is to sides
Just it processes, the compensation rate of complementary area 11 is adjusted without the length difference according to each face.
Further, the complementary area 11 is raised and is symmetrical arranged along the horizontal direction of 1 side bottom of upper housing, and at it
Middle position is formed with the lug boss 111 of maximum compensation rate, it should be noted that the highest raised points distance of the lug boss 111
Complementary area 11 is then compensation rate f.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (6)
1. a kind of head seal structure, upper housing and lower case including pairing connection, it is characterised in that: the upper housing is formed
There is the complementary area of its opposite compression deformation after being used to compensate mutually fastening with lower case outer rim junction, the complementary area is along upper
Side bottom where shell is uniformly distributed, and head and the tail connect and formed cyclic structure, the upper housing and each side of lower case
Face is respectively formed on the arch surface for reaction force in complementary area, which is directed toward complementary area position and is recessed and set
It sets, the outer rim junction of the lower case is provided with the sealing ring for being tightly connected with complementary area.
2. a kind of head seal structure according to claim 1, it is characterised in that: the length of each vertical plane of upper housing
Spend the relational expression of e and compensation rate f are as follows:
f=e×G-e
Wherein, G is environmental variance, value 1.004.
3. a kind of head seal structure according to claim 1, it is characterised in that: the complementary area is raised and along upper housing
The horizontal direction of side bottom is symmetrical arranged, and is formed with the lug boss of maximum compensation rate in its middle position.
4. a kind of head seal structure according to claim 3, it is characterised in that: the maximum compensation rate of the lug boss is
3mm。
5. a kind of head seal structure according to claim 1, it is characterised in that: the upper housing and lower case are respectively provided with
It is square shell structure.
6. a kind of head seal structure according to claim 5, it is characterised in that: complementary area in the square casing structure
Maximum compensation rate it is all the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661540.7A CN110332354A (en) | 2019-07-22 | 2019-07-22 | A kind of head seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661540.7A CN110332354A (en) | 2019-07-22 | 2019-07-22 | A kind of head seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110332354A true CN110332354A (en) | 2019-10-15 |
Family
ID=68146980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910661540.7A Pending CN110332354A (en) | 2019-07-22 | 2019-07-22 | A kind of head seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110332354A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5337785A (en) * | 1992-07-09 | 1994-08-16 | Avs Ing. J.C. Roemer Gmbh | Valve |
| CN201162820Y (en) * | 2008-03-10 | 2008-12-10 | 南车眉山车辆有限公司 | Elastic sealing ring |
| CN101755157A (en) * | 2007-07-20 | 2010-06-23 | 贺尔碧格自动化技术控股股份有限公司 | piezoelectric valve |
| CN201696610U (en) * | 2010-01-30 | 2011-01-05 | 潍坊万德朗汽车电器制造有限公司 | Sealing ring for instrument panel |
| CN202280851U (en) * | 2011-09-13 | 2012-06-20 | 安琪酵母股份有限公司 | Plane sealing valve |
| CN203979381U (en) * | 2014-05-15 | 2014-12-03 | 奇瑞重工股份有限公司 | A kind of sealing gasket and fork truck |
| CN205026091U (en) * | 2015-09-28 | 2016-02-10 | 成都易态科技有限公司 | Sealing device of filter element |
| CN205260819U (en) * | 2015-11-30 | 2016-05-25 | 中冶南方（武汉）自动化有限公司 | Housing sealing structure |
| CN105782550A (en) * | 2014-12-25 | 2016-07-20 | 浙江三花汽车零部件有限公司 | Two-way piston valve |
| CN210290908U (en) * | 2019-07-22 | 2020-04-10 | 瑞纳智能设备股份有限公司 | Valve head sealing structure |
-
2019
- 2019-07-22 CN CN201910661540.7A patent/CN110332354A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5337785A (en) * | 1992-07-09 | 1994-08-16 | Avs Ing. J.C. Roemer Gmbh | Valve |
| CN101755157A (en) * | 2007-07-20 | 2010-06-23 | 贺尔碧格自动化技术控股股份有限公司 | piezoelectric valve |
| CN201162820Y (en) * | 2008-03-10 | 2008-12-10 | 南车眉山车辆有限公司 | Elastic sealing ring |
| CN201696610U (en) * | 2010-01-30 | 2011-01-05 | 潍坊万德朗汽车电器制造有限公司 | Sealing ring for instrument panel |
| CN202280851U (en) * | 2011-09-13 | 2012-06-20 | 安琪酵母股份有限公司 | Plane sealing valve |
| CN203979381U (en) * | 2014-05-15 | 2014-12-03 | 奇瑞重工股份有限公司 | A kind of sealing gasket and fork truck |
| CN105782550A (en) * | 2014-12-25 | 2016-07-20 | 浙江三花汽车零部件有限公司 | Two-way piston valve |
| CN205026091U (en) * | 2015-09-28 | 2016-02-10 | 成都易态科技有限公司 | Sealing device of filter element |
| CN205260819U (en) * | 2015-11-30 | 2016-05-25 | 中冶南方（武汉）自动化有限公司 | Housing sealing structure |
| CN210290908U (en) * | 2019-07-22 | 2020-04-10 | 瑞纳智能设备股份有限公司 | Valve head sealing structure |
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