CN106133412B - The seal construction of shell unit - Google Patents
The seal construction of shell unit Download PDFInfo
- Publication number
- CN106133412B CN106133412B CN201480077631.1A CN201480077631A CN106133412B CN 106133412 B CN106133412 B CN 106133412B CN 201480077631 A CN201480077631 A CN 201480077631A CN 106133412 B CN106133412 B CN 106133412B
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- mentioned
- seal member
- shell
- seal
- seal groove
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- 238000010276 construction Methods 0.000 title claims abstract description 32
- 230000006835 compression Effects 0.000 claims abstract description 49
- 238000007906 compression Methods 0.000 claims abstract description 49
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 229920001971 elastomer Polymers 0.000 claims abstract description 6
- 239000000806 elastomer Substances 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 25
- 239000011347 resin Substances 0.000 claims description 24
- 229920005989 resin Polymers 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 14
- 241000293001 Oxytropis besseyi Species 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000007654 immersion Methods 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000005273 aeration Methods 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 1
- 239000011257 shell material Substances 0.000 description 75
- 230000002093 peripheral effect Effects 0.000 description 16
- 239000000463 material Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- 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
- F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
-
- 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
- F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/60—Structural details of dashboards or instruments
- B60K2360/68—Features of instruments
- B60K2360/691—Housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/60—Structural details of dashboards or instruments
- B60K2360/68—Features of instruments
- B60K2360/692—Sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Gasket Seals (AREA)
Abstract
A kind of seal construction of shell unit is provided, the enlargement of shell unit can be inhibited and is easy installation seal member.Have in the meter housing (22) of internal storage metrical instrument (25)：First shell (28) and second shell (30)；And band-like seal member (34), it configures between two shells (28,30).Seal member (34) is made of elastomer, with the long cross sectional shape of the width direction size (L2) more orthogonal than with compression direction of compression direction size (L1) in its natural state, the compression direction be due to two shells (28,30) in conjunction with and the compressed direction of seal member.It is formed with for the embedded seal groove (36) of seal member (34) in first shell (28), the pressing tablet (38) for pressing the bottom surface (36a) for being embedded into seal member (34) towards seal groove (36) of seal groove (36) is provided in second shell (30).
Description
Technical field
The present invention relates to a kind of seal constructions of shell unit, are equipped on the vehicles as such as automatic two-wheeled cycle,
Internal storage device.
Background technology
The instrument pack of automatic two-wheeled cycle is accommodated with metrical instrument class in the inside of shell unit.Shell unit has by resinous wood
What material was formed is divided into two-part upper casing and lower casing, is constituted (for example, patent document by by these upper casings and lower casing connection
1).Such shell unit generally accompanies the seal construction of o-ring in the interface of upper casing and lower casing.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2001-163281 bulletins
Invention content
The subject that the invention solves
However, the interference volume of o-ring is smaller, it is therefore desirable to fasten strongly, so being necessary to ensure that the o-ring for being set to shell
With the rigidity of seal groove, for prevent flexure shell entirety rigidity.Therefore, shell becomes wall thickening, enlargement.Also, by O
When the seal groove of the complicated closed curve shape (ring-type) of type ring insertion, o-ring is easy torsion, and is difficult to be installed.
The purpose of the present invention is to provide a kind of seal construction of shell unit, the enlargement of shell unit can be inhibited and can
It is easily installed seal member.
Means for solving the problems
To achieve the goals above, the seal construction of shell unit of the invention is, in the inside storage device of the shell unit,
Wherein, which has band-like seal member of the configuration between the first shell and second shell being combined, above-mentioned sealing
Component is made of elastomer, long with the compression direction size ratio width direction size orthogonal with compression direction in its natural state
Cross sectional shape, the compression direction be due to above-mentioned two shell in conjunction with and the compressed direction of the seal member, above-mentioned
One shell is formed with the seal groove for the insertion of above-mentioned seal member, and the upper of above-mentioned seal groove will be embedded by being provided in above-mentioned second shell
State the pressing tablet that seal member is pressed towards the bottom surface of above-mentioned seal groove.
According to the above configuration, seal member is the section shape for the lengthwise grown with compression direction size ratio width direction size
Shape it is band-like, therefore larger interference volume can be obtained on compression direction.Therefore, by using the higher sealing of flexibility
Part can also ensure that enough leakproofness, therefore need not make even if not fastened with larger power in the combination of two shells
Shell unit wall thickening.As a result, it is possible to inhibit the enlargement of shell unit.In addition, by the sealing of the cross sectional shape of lengthwise
When being assembled to seal groove while component is bent to width direction, it can prevent seal member from reversing.Therefore, it is possible to easily pacify
Fill seal member.
In the present invention preferably, above-mentioned seal member is formed with for inhibiting between being deformed to the outside of above-mentioned width direction
Gap space.The seal member is for example made of foaminess resin.According to this constitution, it is higher close to can be easily implemented frothing percentage
Seal component.
In the case where seal member is formed with above-mentioned clearance space, preferably, above-mentioned first shell is adjacent with lateral surface
The part connect is formed with above-mentioned seal groove, and the wall thickness between above-mentioned seal groove and lateral surface is formed as less than the depth of above-mentioned seal groove
Degree.In the case that wall thickness between seal groove and lateral surface is smaller, when assembling seal member, when acting on larger power,
It is possible that shell unit is brought a negative impact, but according to this constitution, due to being formed with clearance space, energy in seal member
Breakage when enough taking into account the water proofing property and assembling seal member of shell unit prevents.
In the present invention preferably, above-mentioned seal member is formed to have the band-like of both ends.It is preferably in this case, it is above-mentioned
Seal groove is formed as cyclic annular, and the both ends of above-mentioned seal member are with the state that is overlapped in above-mentioned width direction or in above-mentioned sealing
Compressed state on the long side direction of component, is embedded in above-mentioned seal groove.According to this constitution, the essence of length dimension can be reduced
Sealing performance is maintained while spending, therefore seal member and seal groove can be easily manufactured.
Seal member be formed to have both ends it is band-like in the case of, preferably, above-mentioned seal groove is formed as cyclic annular, on
The region for stating the both ends configured with above-mentioned seal member in seal groove, be set at above-mentioned shell unit be mounted in the state of
The lower position of above-mentioned shell unit.According to this constitution, can prevent water from being immersed into shell unit.
In the present invention preferably, above-mentioned shell unit is formed in the position different from above-mentioned seal groove for preventing drop
Immersion and with aeration venthole.According to this constitution, inhibiting the inside of shell unit to be generated with external by venthole
Pressure difference, therefore the reduction of seal member generation sealing performance caused by pressure difference can be prevented.
In the present invention preferably, the above-mentioned compression direction size of above-mentioned seal member is compressed between above-mentioned two shell
Under state be nature 1/10~1/1.5, above-mentioned seal member is made of foaminess resin, above-mentioned foaminess resin it is close
The density for spending the resin of the identical component relative to no foamed state is 1/10~1/4.According to this constitution, can obtain efficient
Compression ratio.
The manufacturing method of the seal member of the present invention manufactures the sealing used in the seal construction of the shell unit of the present invention
Part has：Preparatory process prepares the elastic piece for having with the above-mentioned comparable thickness of width direction size；Process is cut, it will be upper
The above-mentioned elastic piece prepared in preparatory process is stated, is cut as the shoestring of the bandwidth with above-mentioned compression direction size；And
Cut off operation is cut in the above-mentioned above-mentioned shoestring for cutting and being cut in process the length of above-mentioned seal groove and is formed above-mentioned
Seal member.According to this constitution, can be by the seal member of the present invention linearly to cut as shoestring, therefore be easily manufactured
Seal member.
The arbitrary combination that at least two disclosed in claims and/or specification and/or attached drawing is constituted
It is contained in the present invention.In particular, 2 or more of each claim of claims arbitrary combinations are also contained in the present invention.
Description of the drawings
Illustrate preferred embodiment below by referring to accompanying drawing, better understood when the present invention.But embodiment party
Formula and attached drawing are used only for illustrating and illustrate, should not be used to determine the scope of the present invention.The scope of the present invention is by claim
It determines.In the accompanying drawings, the same part number in multiple attached drawings indicates same or considerable part.
Fig. 1 is oneself of the seal construction of a kind of i.e. meter housing for the shell unit for indicating to have an embodiment of the invention
The side view of the front of dynamic cart.
Fig. 2 is the front view for the instrument pack for indicating to have the seal construction.
Fig. 3 is the side view of the meter housing.
Fig. 4 is the sectional view along the IV-IV lines of Fig. 2.
Fig. 5 is the sectional view for the seal member for indicating the seal construction.
Fig. 6 is to indicate that the first shell in the meter housing is embedded in the plan view of the state at the both ends of seal member.
Fig. 7 is the longitudinal section for indicating the state before the first shell embedding sealing component.
Fig. 8 is the longitudinal section for the state for indicating that the seal member is compressed by second shell.
Fig. 9 is the longitudinal section for the different examples for indicating the seal construction of the present invention.
Figure 10 is the longitudinal section for the further different example for indicating the seal construction of the present invention.
Figure 11 is the plan view for the further different example for indicating the seal construction of the present invention.
Figure 12 is the flow chart of the manufacturing method for the seal member for indicating the seal construction.
Specific implementation mode
Hereinafter, being illustrated to the preferred embodiment of the present invention with reference to attached drawing.Left and right directions in the specification refers to
Left and right from the point of view of taking the driver of automatic two-wheeled cycle.In Fig. 1, automatic two-wheeled cycle of the invention is constituting vehicle body frame FR
The front support of main frame 1 of first half have front fork 2, be supported by front-wheel 4 in the lower end of the front fork 2.Front fork 2 with to it
The bracket 6 and bottom bracket 7 being supported together, are rotatably supported in the preceding standpipe 8 of the front end of main frame 1, upper
Bracket 6 is equipped with handlebar 10.
On the other hand, it is fixed with swing arm bracket 11 in the rear end lower of main frame 1, is swung certainly in the swing arm bracket 11
As the earth's axis is supported by the swing arm being supported to trailing wheel (not shown).The central lower of main frame 1 be supported by trailing wheel into
Prime mover, that is, engine E of row driving.
At the rear portion of main frame 1, it is linked with the afterframe 12 for the latter half to form vehicle body frame FR, is forming the after-frame
The seat rail 12a on the top of frame 12, is supported by driver seat 13.In the top of main frame 1, i.e. vehicle body upper portion, before being located at
Fuel tank 18 is supported by between standpipe 8 and driver seat 13.
Head lamp 20 is installed in front of vehicle body frame FR, instrument pack 22 is configured in the top of the head lamp 20.Head lamp
20 and instrument pack 22 be supported in before standpipe 8.
As shown in Fig. 2, there is instrument pack 22 meter housing 26, one kind which has stored device in inside to count
Measuring appratus 25.The meter housing 26 constitutes the shell unit of the present invention.Meter housing 26 is formed by shaping resin material, in present embodiment
In, it is formed by being injection moulded.
As shown in figure 3, meter housing 26 has the second shell 30 of the first shell 28 and upside of downside, these first and second
Shell 28,30 on bolt 32 in above-below direction (compression direction) D1 by combining.Second shell 30 has transparent cover portion 31.
As shown in figure 4, between first shell 28 and second shell 30, configured with the seal member 34 being made of elastomer.In detail
Carefully say, the seal groove 36 being embedded in for seal member 34 be formed in first shell 28, second shell 30 be provided with will be embedded in it is close
The pressing tablet 38 that the bottom surface 36a of the seal member 34 of sealing groove 36 towards seal groove 36 is pressed, seal member 34 is in first shell 28
In seal groove 36, pressed to the bottom surface 36a of seal groove 36 by the pressing tablet 38 of second shell 30.
But it is also possible to as shown in the variation of Figure 10, seal groove 36, the shell 28A in downside is arranged in the shell 30A in upside
Pressing tablet 38 is set.According to the variation, since the shell 30A in upside is provided with seal groove 36, in seal groove 36 not
It can ponding.
Seal member 34 be extends along long side direction it is band-like, as shown in figure 5, be formed with for inhibition to above-mentioned pressure
The clearance space 35 deformed on the outside of the orthogonal width direction D2 in contracting direction D1 (upper and lower directions).Specifically, sealing
Part 34 is made of foaminess resin.In the present embodiment, seal member 34 is made of the EP rubbers (EPDM) of foaminess.It is logical
It crosses and uses foaminess resin, be able to easily form the smaller seal member of the expansion rate of width direction.For example, by making foaming
Rate changes, and so that the expansion rate of width direction is changed, be easy to get water proofing property as a purpose.
Density of the density of the foaminess resin of seal member 34 relative to the resin of the identical component of no foamed state, it is excellent
It is selected as 1/10~1/4, more preferably 1/8~1/6.But the material of seal member 34 is not limited to this, such as can also be by
The foaminess rubber that neoprene (CR) is formed.
In other words, frothing percentage is preferably 1/10~1/4.Here, frothing percentage refers to, by the density (ρ of the resin of foamed state
1) divided by obtained from the density of the resin of the identical component without foamed state (ρ 0) it is worth (1/ ρ 0 of ρ).When frothing percentage is less than 1/10
When, come that the pressing of self-sealing member 34 is relatively strong and shell 28,30 is easily deformed, when more than 1/4, carrys out the pressing of self-sealing member 34
It is weaker and to easily become sealing insufficient.By the way that frothing percentage is set as 1/10 to 1/4, the immersion of water droplet can be prevented, and can
Prevent the deformation of shell 28,30.
Seal groove 36 is formed in the part adjacent with lateral surface 28a in first shell 28, spreads the complete cycle of first shell 28
Ground becomes ring-type, i.e. closed curve shape.In other words, the two sides of seal groove 36 are formed by the peripheral wall 29 of first shell 28.But it is close
Sealing groove 36 may not be ring-type.
Seal member 34 is as shown in fig. 6, its both ends 34a, 34a is embedded in sealing with the state being overlapped on width direction D2
Slot 36.It however, it can be, so that both ends 34a, 34a of seal member 34 is embedded in seal groove 36 with opposed state, and two
It holds and is mixed into liquid sealing in the gap of 34a, 34a.Alternatively, can also be as shown in the variation of Figure 11, the both ends of seal member 34
34a, 34a are embedded in seal groove 36 with the state compressed and be mutually butted in the long side direction.
The region R of both ends 34a, 34a configured with seal member 34 in seal groove 36 as shown in Figure 1, preferably set in
It is located at the position below meter housing 26 in the state that instrument pack 22 is mounted on automatic two-wheeled cycle.In addition, band-like is close
Envelope component 34 is preferably formed into linear (non-annularity), but can also be formed as cyclic annular.
The positions different from seal groove 36 of first shell 28 shown in Fig. 4 are formed with the immersion for preventing drop and ensure
The venthole 40 of aeration.Venthole 40 is preferably to be not formed in the interface of 2 shells 28,30, and be formed in one side's of perforation
The perforation hole portion of shell.In the present embodiment, venthole 40 is realized by the film formed by waterproof and moisture permeability material.But
Venthole 40 is not limited thereto, for example, it is also possible to be realized by maze configuration.Venthole 40 is in order to prevent along meter housing
The intrusion of 26 upper surface and the drop of side flow, and configure in the lower surface of meter housing 26 and more leaned on than vertical side
Inside.Specifically, instrument pack 22 shown in Fig. 1 is installed in the state of automatic two-wheeled cycle, venthole 40 is configured in
The lower position of meter housing 26.
As shown in fig. 7, the formation seal groove 36 of wall thickness T1 between seal groove 36 and lateral surface 28a, i.e. peripheral wall 29 is outer
The wall thickness T1 of the outer perimeter wall portion 29a of side, is formed as less than the depth d of seal groove 36.The formation seal groove 36 of peripheral wall 29
Depth ds of the wall thickness T2 of the inside peripheral wall portion 29b of medial surface again smaller than seal groove 36.Outer perimeter wall portion 29a, inside peripheral wall portion
29b relative to bottom surface 36a height can it is identical, can also be mutually different.In this case, the depth d of seal groove 36 by compared with
The height of the peripheral wall portion of a low side determines.
In addition, the wall thickness T1 of outer perimeter wall portion 29a be set to the width dimensions w of seal groove 36 be comparably it is identical or
Smaller.The wall thickness T2 of inside peripheral wall portion 29b is also identical compared with the width dimensions w of seal groove 36 or smaller.Also, week
The wall thickness T3 of the part for not forming seal groove 36 of wall 29 is set to the wall thickness T4 or less of the remainder of first shell 28.This
Outside, the depth d of seal groove 36 is preferably greater than the width w of seal groove 36.It is easy as a result, by 34 embedding sealing slot 36 of seal member.
The cross sectional shape of seal member 34 is formed as rectangle.It is pressed in its natural state specifically, seal member 34 has
Contracting direction size L1 is longer than the cross sectional shape of the rectangle of the lengthwise of width direction size L2, which is due to two shells
28,30 in conjunction with and 34 compressed direction of seal member.The aspect ratio (L1/L2) of the seal member 34 of the lengthwise is preferably
1.3~5, more preferably 2~4 are in the present embodiment 1.5.In addition, the width direction size L2 of seal member 34 is set
For the width dimensions w (L2 ＞ w) more than seal groove 36.
As shown in figure 8, the compression direction size between two shells 28,30 under compressed state of seal member 34
L10, preferably 1/10~1/1.5 (=L10/L1) of nature, more preferably 1/8~1/2 (=L10/L1), in this implementation
It is 1/4 in mode.In other words, the compression ratio of the compression direction of seal member 34 is preferably 1/1.5~1/10.Here, compression ratio
Refer to being worth (L10/ obtained from compression direction size L1 by the compression direction size L10 of compressive state divided by under natural conditions
L1)。
When compression ratio (L10/L1) is more than 1/1.5, the pressing for carrying out self-sealing member 34 is weaker and is easy to become sealing not
Foot comes that the pressing of self-sealing member 34 is relatively strong and shell 28,30 is easily deformed when less than 1/10.That is, by the way that compression ratio is set as
1/1.5~1/10, the intrusion of water droplet can be prevented and prevent the deformation of shell 28,30.
Fig. 9 indicates the variation of first shell 28.As shown in the drawing, the outer perimeter wall portion 29a in the peripheral wall 29 of first shell 28
The height h of bottom surface 36a relative to seal groove 36 is more than the height (compression direction size L1) of seal member 34.Other constructions
It is identical as the example of Fig. 7.According to the variation, outer perimeter wall portion 29a works as guiding piece, to improve sealing
Assemblability when part 34 is embedded in seal groove 36.The depth d of seal groove 36 in this case by the height of inside peripheral wall portion 29b Lai
It determines.
Then, the manufacturing method of above-mentioned seal member 34 is illustrated using Figure 12.As shown in the drawing, seal member 34
Manufacturing method have preparatory process S1, cut process S2 and cut off operation S3.In preparatory process S1, prepare to have and width
Spend the elastic piece 42 of the comparable thickness of direction size L2.
In cutting process S2, the elastic piece 42 that will prepare in preparatory process S1 cuts to have and compression direction ruler
The linear shoestring 44 of bandwidth equal very little L1.In cut off operation S3, the shoestring that will be cut in cutting process S2
44 are cut to the length L3 of seal groove 36, form seal member 34.
By the elastic piece 42 of thickness of the preparation with width direction size L2, and the width L1 by making to cut different,
Thus, it is possible to easily prepare the different shoestring 44 of compression direction size L1, it is easy to carry out the examination for obtaining appropriate size
It tests.In addition, by the elastic piece 42 of thickness of the preparation with width direction size L2, thus have than width direction ruler with preparation
The case where elastic piece of the thickness of compression direction size L1 big very little L2, is compared, and the thickness of elastic piece 42 is thinning, thus be easy into
Row elastic piece 42 cuts operation and cut-out operation.
Elastic piece 42 is formed to have the rectangular-shaped of the thickness of width direction size L2, and the first of rectangular-shaped elastic piece 42
The length L4 on side is preferably formed into the long side direction size L3 of seal member 34.In addition, the length L5 on the second side of elastic piece 42
It is preferably formed into the length L4 more than the first side.As a result, by being cut to elastic piece 42 along the first side, can be grown
The shoestring 44 of edge direction size L3 can make cut off operation omit or simplify.
Then, seal member 34 is illustrated to the assembling sequence of meter housing 26.As shown in fig. 7, by seal member 34
The seal groove 36 of first shell 28 is embedded in from top.At this point, the cross sectional shape of seal member 34 is longitudinal direction (compression direction) D1
It is longer rectangular-shaped, therefore be easy to be bent to width direction D2.As a result, assembling when prevent seal member 34 reverse, be easy to
Seal groove 36 is assembled.Although in addition, width w biggers of the width direction size L2 of seal member 34 than seal groove 36,
Since seal member 34 is made of foaminess resin, seal member 34 can be made to deform and be easy to be embedded in seal groove 36.
The compression direction size L1 of seal member 34 is more than the depth d of seal groove 36, therefore is fitted into seal groove 36
In the state of seal member 34, the top of seal member 34 protrudes upward from seal groove 36.The both ends 34a of seal member 34,
34a is embedded in seal groove 36 with the state being overlapped on width direction D2 as shown in Figure 6, or as shown in Figure 11
To be embedded in seal groove 36 in the state that long side direction is compressed and is mutually butted.
Then, as shown in figure 8, covering from above second shell 30 in first shell 28.At this point, the pressing tablet 38 of second shell 30
Into the inside of seal groove 36, seal member 34 is made significantly to be deformed along compression direction D1.As a result, seal member 34 exists
It is compressed between pressing tablet 38 and the bottom surface 36a of seal groove 36.Also, by being fastened to bolt 32 shown in Fig. 4, thus
First shell 28 is concatenated with second shell 30, also, seal member 34 is further compressed, and is carried out between two shells 28,30 close
Envelope.
According to the above configuration, the meter housing 26 of Fig. 7 is formed by being injection moulded, therefore can relatively thinly form peripheral wall 29
Outer perimeter wall portion 29a and inside peripheral wall portion 29b wall thickness T1, T2.For example, vertical with injection injection direction setting
In the case of the shell wall thickness in direction, that is, vertical direction wall thickness T3, wall thickness T1, T2 of peripheral wall 29 are set to the vertical direction wall thickness
T3 or less.In addition, can be inhaled by the deformation of seal member 34 if even if generating the deviation in manufacture due to injection moulding
It receives.
In this way, in the case where wall thickness T1, T2 of peripheral wall 29 are smaller, the width side when being fitted into seal member 34
To D2 pressing force it is larger when, the outer perimeter wall portion 29a and inside peripheral wall portion 29b of peripheral wall 29 are possible to deform, but upper
State in composition, as a seal part 34 and use foaminess resin, therefore with seal member 34 by compression direction D1 pressing and
The volume stretched on compression direction D1 is compared, the small volume expanded on width direction D2, therefore can make width
The pressing force for spending direction D2 mitigates, and prevents peripheral wall 29 from deforming.
In the above-described configuration, by the combination of first shell 28 and second shell 30, the seal member being made of foaminess resin
34 are compressed on compression direction D1, and are sealed to the gap of two shells 28,30.At this point, soft due to seal member 34
It is soft higher, even if therefore do not fastened by larger power in the combination of two shells 28,30, can also ensure that enough
Leakproofness, therefore 26 wall thickening of meter housing need not be made.As a result, it is possible to inhibit the enlargement of meter housing 26.In addition, close
Component 34 is sealed to be band-like more than the cross sectional shape of width direction size L2 with compression direction size L1, therefore the energy in assembling
Enough prevent seal member 34 from reversing.Thereby, it is possible to seal member 34 is easily installed on seal groove 36.
The compression direction size L10 of seal member 34 shown in Fig. 8 between two shells 28,30 under compressed state
It is the 1/10~1/1.5 of the compression direction size L1 of nature, the density of the foaminess resin of seal member 34 is relative to nothing
The density of the resin of the identical component of foamed state is 1/10~1/4.Thereby, it is possible to obtain efficient compression ratio.
In addition, seal member 34 is formed to have the band-like of both ends 34a, seal groove 36 is formed as cyclic annular, therefore can drop
The dimensional accuracy of low length, therefore seal member 34 and seal groove 36 can be easily manufactured.Also, band-like seal member
34 both ends 34a, 34a, is embedded in seal groove 36, Huo Zheru with the state being overlapped on width direction D2 as shown in Figure 6
Seal groove 36 is embedded in the state compressed and be mutually butted in the long side direction as shown in Figure 11, therefore both ends 34a,
The leakproofness of the docking section of 34a is good.
The region R of both ends 34a, 34a configured with seal member 34 in seal groove 36, as shown in Figure 1, in instrument pack
22 are installed in the state of automatic two-wheeled cycle, are set in the lower position of meter housing 26, therefore water can be prevented to meter housing 26
Interior immersion.
When water droplet is invaded into meter housing 26, due to the temperature difference inside and outside meter housing 26, display surface, that is, cover portion 31 has can
It can haze or generate moisture condensation in the inside of meter housing 26, therefore be not intended to the intrusion of water droplet.In the above-described configuration, by suitable
The compression ratio and frothing percentage of locality setting seal member 34, can be effectively prevented immersion of the water droplet into meter housing 26, therefore
It can prevent the hazing of cover portion 31, the moisture condensation in meter housing 26.
As shown in figure 4, the positions different from seal groove 36 in first shell 28 are formed with venthole 40.Thereby, it is possible to press down
System generates the inside of meter housing 26 and external pressure difference, therefore it is close caused by pressure difference to prevent seal member 34 from generating
The reduction of sealing property.
As shown in figure 12, it by that will have the elastic piece 42 with the comparable thickness of width direction size L2, cuts to have
The linear shoestring 44 of the bandwidth of compression direction size L1, and the shoestring 44 is cut to the length L3 of seal groove 36,
Seal member 34 is consequently formed.Therefore, it is possible to which seal member 34 is easily manufactured.
The present invention is not limited to above embodiments, without departing from the spirit and scope of the invention, can carry out each
Kind is additional, changes or deletes.For example, in the above-described embodiment, seal member 34 is made of foaminess resin, but sealing
As long as part 34 can inhibit to deform to the outside of width direction L2, it is not limited to foaminess resin.
In detail, as long as seal member 34 is formed as compared to since two shells 28,30 are in conjunction with and compression direction
The upper sizes reduced from nature of D1, the size expanded from nature on width direction D2 is smaller, in addition to close
The inside for sealing component 34 is formed other than clearance space 35, the gaps such as notch, recess can also be arranged to the lateral surface of width direction
Space.As a result, in compression, the Direction distortion filled to clearance space by seal member 34 can reduce in width direction D2
The volume of upper expansion.But seal member 34 is formed as not formed on outer side by as embodiment described above recessed
Convex even shape can be such that seal member 34 and the contact area of meter housing 26 increases, therefore be easy to prevent the intrusion of water droplet.
In the above-described embodiment, it is internally provided with clearance space 35 in seal member 34, but between can also replacing
Gap space 35, and in the internal other materials for having and being easier deformation than seal member 34.Specifically, can also have in inside
There is the smaller foaminess resin of the density of density ratio seal member 34.In addition, the cross sectional shape of seal member 34 is rectangle, but only
If the cross sectional shape of compression direction size ratio width direction size length in its natural state, is not limited to rectangle.
In addition, in fig. 12, having prepared the elastic piece 42 of the thickness with width direction size L2 but it is also possible to be accurate
The elastic piece of the standby thickness with compression direction size L1, cut with the width of width direction size L2, is thus formed
Seal member 34.Thereby, it is possible to the increases of the quantity for the seal member 34 for making to obtain from 1 elastic piece 42.For example, it is also possible to be,
Using multiple seal members different the making compression direction size of elastic piece 42 L1 of the thickness with width direction size L2
After obtaining the compression direction size L1 of seal member 34 appropriate, prepare the thickness with obtained compression direction size L1
Elastic piece 42, cut and volume production seal member 34 with width direction size L2.In this case, the first of elastic piece 42
The length L4 on side is it is also preferred that identical as the long side direction size L3 of seal member 34.
The seal construction of the present invention is other than meter housing 26, additionally it is possible to be applied to electric part box, electrical relaybox, wind
Case, undertray etc..The seal construction of the present invention can be well applied to the shell being exposed to outside room.In the above-described embodiment,
Meter housing 26 is formed by resin material, but the present invention seal construction can be applied to butted part be formed as thin-walled (rigidity compared with
It is small) all shells, such as even if shell material be metal if can obtain same effect.In particular, the material of shell can be good
Well using the moulding material that can form wall thickness relatively thinly.
In addition, the present invention seal construction can also apply to the meter housing other than cart, for example, can be applied to as
Ceiling is not formed and rain as four-wheel offroad vehicle, sport vehicle, Wave Race, motor boat etc., in the vehicles
The shell of the outdoor type vehicles directly to drip to shell is all.In particular, can be well applied to have has prevented fog effect
Preferable display surface or has the shell for preventing the moisture condensation preferable electric component of effect in inside.Such invention is also wrapped as a result,
Contained in the scope of the present invention.
The explanation of symbol
25 metrical instruments (device)
26 meter housings (shell unit)
28 first shells
30 second shells
34 seal members
35 clearance spaces
36 seal grooves
38 pressing tablets
40 ventholes
42 elastic pieces
44 shoestring
L1 compression direction sizes
L2 width direction sizes
S1 preparatory process
S2 cuts process
S3 cut off operation
Claims (11)
1. a kind of seal construction of shell unit, in the inside storage device of the shell unit, wherein
The seal construction has band-like seal member of the configuration between the first shell and second shell being combined,
Above-mentioned seal member is made of elastomer, has the compression direction size ratio width orthogonal with compression direction in its natural state
The cross sectional shape of direction size length is spent, which is the combination due to above-mentioned first shell and second shell and the seal member quilt
The direction of compression,
It is formed with the seal groove for the insertion of above-mentioned seal member in above-mentioned first shell,
Above-mentioned second shell be provided with will be embedded into the above-mentioned seal member of above-mentioned seal groove towards the bottom surface of above-mentioned seal groove by
The pressing tablet of pressure,
Above-mentioned seal member is formed to have the band-like of both ends,
Above-mentioned seal groove is formed as cyclic annular,
The both ends of above-mentioned seal member are embedded in above-mentioned sealing with the compressed state on the long side direction of above-mentioned seal member
Slot.
2. the seal construction of shell unit as described in claim 1, wherein
Above-mentioned seal member is formed with the clearance space for inhibiting to deform to the outside of above-mentioned width direction.
3. the seal construction of shell unit as claimed in claim 2, wherein
Above-mentioned seal member is made of foaminess resin.
4. the seal construction of shell unit as claimed in claim 2, wherein
Above-mentioned first shell is formed with above-mentioned seal groove in the part adjacent with lateral surface,
Wall thickness between above-mentioned seal groove and lateral surface is formed as less than the depth of above-mentioned seal groove.
5. the seal construction of shell unit according to any one of claims 1 to 4, wherein
The region at the both ends configured with above-mentioned seal member in above-mentioned seal groove is set in the mounted shape of above-mentioned shell unit
The lower position of above-mentioned shell unit under state.
6. the seal construction of shell unit according to any one of claims 1 to 4, wherein
Above-mentioned shell unit is formed with the immersion for preventing drop and has aeration in the position different from above-mentioned seal groove
Venthole.
7. the seal construction of shell unit according to any one of claims 1 to 4, wherein
The above-mentioned compression direction size of above-mentioned seal member is nature under compressed state between above-mentioned two shell
1/10~1/1.5,
Above-mentioned seal member is made of foaminess resin, the density of above-mentioned foaminess resin relative to no foamed state it is identical at
The density of the resin divided is 1/10~1/4.
8. the seal construction of shell unit according to any one of claims 1 to 4, wherein
The width direction of above-mentioned seal member is sized to the width dimensions more than above-mentioned seal groove.
9. the seal construction of shell unit according to any one of claims 1 to 4, wherein
The cross sectional shape of above-mentioned seal member is formed as rectangle.
10. the seal construction of shell unit according to any one of claims 1 to 4, wherein
The depth of above-mentioned seal groove is set to be greater than the width of above-mentioned seal groove.
11. a kind of manufacturing method of seal member, which is used for shell unit any one of Claims 1-4
Seal construction, which has：
Preparatory process prepares the elastic piece for having with the above-mentioned comparable thickness of width direction size；
Process is cut, the above-mentioned elastic piece that will prepare in above-mentioned preparatory process cuts as with above-mentioned compression direction size
The shoestring of bandwidth；And
Cut off operation is cut in the above-mentioned above-mentioned shoestring for cutting and being cut in process the length of above-mentioned seal groove and is formed
Above-mentioned seal member.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2014/059991 WO2015151281A1 (en) | 2014-04-04 | 2014-04-04 | Case unit seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106133412A CN106133412A (en) | 2016-11-16 |
| CN106133412B true CN106133412B (en) | 2018-07-31 |
Family
ID=54239641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480077631.1A Active CN106133412B (en) | 2014-04-04 | 2014-04-04 | The seal construction of shell unit |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2015151281A1 (en) |
| CN (1) | CN106133412B (en) |
| WO (1) | WO2015151281A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6970556B2 (en) * | 2017-08-30 | 2021-11-24 | 太陽誘電株式会社 | Display devices and bicycles for bicycles or motorcycles |
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|---|---|---|---|---|
| GB1501406A (en) * | 1975-04-22 | 1978-02-15 | Whitlock G | Sealing members |
| US4606547A (en) * | 1984-03-03 | 1986-08-19 | Klein, Schanzlin & Becker Aktiengesellschaft | Composite machine housing and seals therefor |
| CN2122267U (en) * | 1992-04-01 | 1992-11-18 | 杨幼宽 | Rubber sealing ring for household pressure cooker |
| CN1071495A (en) * | 1991-09-23 | 1993-04-28 | 罗斯蒙德公司 | Spring loaded resin seal |
| JPH10505894A (en) * | 1994-09-21 | 1998-06-09 | レイケム・リミテッド | Sealing member |
| US5964465A (en) * | 1996-03-13 | 1999-10-12 | W. L. Gore & Associates, Inc. | Low creep polytetrafluoroethylene form-in-place gasketing elements |
| JP2001227647A (en) * | 2000-02-16 | 2001-08-24 | Toshiba Tec Corp | Laminated sealing material, its manufacturing method, and electric blower mounted with laminated sealing material |
| JP2002349711A (en) * | 2001-05-29 | 2002-12-04 | Nok Corp | Gasket |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3871228B2 (en) * | 1995-04-28 | 2007-01-24 | 信越ポリマー株式会社 | Sealing member and manufacturing method thereof |
| JP3201939B2 (en) * | 1995-09-12 | 2001-08-27 | 三井金属鉱業株式会社 | Actuator |
| JP2000095263A (en) * | 1998-09-25 | 2000-04-04 | Takakyu Sangyo Kk | Inner seal member |
| JP3660146B2 (en) * | 1998-12-01 | 2005-06-15 | 日信工業株式会社 | Brake hydraulic pressure control device for vehicles |
| JP2010124072A (en) * | 2008-11-17 | 2010-06-03 | Nec Corp | Waterproofing mechanism for housing, assembling method for housing, and mobile terminal unit |
| JP5963619B2 (en) * | 2012-09-05 | 2016-08-03 | 日東電工株式会社 | Ethylene / propylene / diene rubber foam, method for producing the same, and sealing material |
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2014
- 2014-04-04 WO PCT/JP2014/059991 patent/WO2015151281A1/en active Application Filing
- 2014-04-04 CN CN201480077631.1A patent/CN106133412B/en active Active
- 2014-04-04 JP JP2016511292A patent/JPWO2015151281A1/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1501406A (en) * | 1975-04-22 | 1978-02-15 | Whitlock G | Sealing members |
| US4606547A (en) * | 1984-03-03 | 1986-08-19 | Klein, Schanzlin & Becker Aktiengesellschaft | Composite machine housing and seals therefor |
| CN1071495A (en) * | 1991-09-23 | 1993-04-28 | 罗斯蒙德公司 | Spring loaded resin seal |
| CN2122267U (en) * | 1992-04-01 | 1992-11-18 | 杨幼宽 | Rubber sealing ring for household pressure cooker |
| JPH10505894A (en) * | 1994-09-21 | 1998-06-09 | レイケム・リミテッド | Sealing member |
| US5964465A (en) * | 1996-03-13 | 1999-10-12 | W. L. Gore & Associates, Inc. | Low creep polytetrafluoroethylene form-in-place gasketing elements |
| JP2001227647A (en) * | 2000-02-16 | 2001-08-24 | Toshiba Tec Corp | Laminated sealing material, its manufacturing method, and electric blower mounted with laminated sealing material |
| JP2002349711A (en) * | 2001-05-29 | 2002-12-04 | Nok Corp | Gasket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106133412A (en) | 2016-11-16 |
| JPWO2015151281A1 (en) | 2017-04-13 |
| WO2015151281A1 (en) | 2015-10-08 |
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Effective date of registration: 20220701 Address after: Japan Hyogo Prefecture Patentee after: Kawasaki motorcycle Co.,Ltd. Address before: Japan Hyogo Prefecture Patentee before: KAWASAKI JUKOGYO Kabushiki Kaisha |