CN208069782U - A kind of sealing structure of car steering tube column - Google Patents
A kind of sealing structure of car steering tube column Download PDFInfo
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- CN208069782U CN208069782U CN201820466137.XU CN201820466137U CN208069782U CN 208069782 U CN208069782 U CN 208069782U CN 201820466137 U CN201820466137 U CN 201820466137U CN 208069782 U CN208069782 U CN 208069782U
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- sealing
- tube column
- steering tube
- car steering
- blimp
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Abstract
The utility model provides a kind of sealing structure of car steering tube column, belongs to automobile technical field.The sealing structure dust-proof effect that it solves existing car steering tube column is poor, and installs the problem of trouble.The sealing structure of this car steering tube column includes the fixed mounting base being set on car steering tube column and the blimp being connected on body of a motor car, the top of mounting base is equipped with sealing ring, sealing ring includes annular in shape and forms the sealing of sealing with blimp, sealing ring further includes in the form of sheets and having blocking part flexible, sealing is arranged around blocking part and the periphery of blocking part is connected with sealing, the via passed through for car steering tube column is offered on blocking part, the diameter of via is slightly larger than the diameter of steering column tube body at via.The utility model can be conveniently steered the installation of tubing string and promote dust-proof effect.
Description
Technical field
The utility model belongs to automobile technical field, is related to a kind of sealing structure of car steering tube column.
Background technology
With the development of science and technology and the improvement of people's living standards, automobile have come into huge numbers of families, become people
The most important vehicles of go off daily.The turning function of automobile coordinates steering column to realize by steering wheel.Direction
Disk is assemblied in cabin interior with steering column, and steering gear is assemblied in enging cabin, is needed when steering column is connect with steering gear
Underbody is passed through, and via herein just needs to be sealed processing.
As Chinese patent literature discloses a kind of sealing device (application number installed for motor turning device：
201720115676.4), including：The side of gasket, gasket is in contact with vehicle body, and the other side is in contact with support base, close
The first mounting hole is formed on packing；One end of support base, support base is in contact with gasket, and the other end is connected with steering gear,
The second mounting hole is formed on support base；Wherein, steering gear input shaft passes through the second mounting hole on support base, on gasket
It is connected with steering column after third mounting hole on first mounting hole and vehicle body, the end shape being in contact with gasket on support base
At there is foreign substance storage tank, the opening of foreign substance storage tank is towards gasket, and the second mounting hole on support base.
In the sealing device, foreign substance storage tank is set on support base, is entered inside steering gear with reducing impurity, is played dust-proof
Effect.But since support base needs the intensity for having certain, hard material such as plastics or metal are used to be made, at this time such as
The second mounting hole opening on fruit support base is smaller, and steering column is easy to happen conflict when penetrating support base, it is difficult to disposable peace
It installs into, installation trouble and the damage for being easy to cause support base.In addition, if the second mounting hole opening on support base is larger,
Although can promote the convenience of installation at this time, the spacing between the second mounting hole and steering column outer wall increases, and sundries relatively holds
Gap easily between the second mounting hole and steering column outer wall enters inside steering gear, therefore can reduce dust-proof effect again.
Invention content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of car steering tube column
Sealing structure, technical problem to be solved in the utility model are how to make the sealing structure of car steering tube column that can conveniently turn
Installation to tubing string, and dust-proof effect can be promoted.
The purpose of this utility model can be realized by following technical proposal：A kind of sealing structure of car steering tube column,
Including the fixed mounting base being set on car steering tube column and the blimp being connected on body of a motor car, the top of the mounting base
Portion is equipped with sealing ring, and the sealing ring includes annular in shape and forms the sealing of sealing with blimp, which is characterized in that described close
Seal further include in the form of sheets and have blocking part flexible, the sealing around blocking part be arranged and blocking part periphery with
Sealing is connected, and the via passed through for car steering tube column is offered on the blocking part, the diameter of the via was slightly larger than
The diameter of steering column tube body at hole.
In the sealing structure of this car steering tube column, since the diameter of via is slightly larger than the diameter of steering column tube body,
Via diameter is smaller, therefore can reduce sundries and be entered inside mounting base by via, promotes dust-proof effect.On this basis, though
Right via diameter is smaller, but since the blocking part of sealing ring has flexibility, in steering column installation process, if motor turning
Tubing string has dislocation slightly with via, and with steering column hard contact will not occur for blocking part, but be made by deformation energy
Steering column passes through via, therefore the convenience of installation is not interfered in the case where via diameter is smaller, makes installation side
Just.
Have in the sealing structure of above-mentioned car steering tube column, on the upper side of the blocking part and is arranged around via
Annular convex edge, the annular convex edge is cylindrical and perpendicular with blocking part, and the internal diameter of the annular convex edge is equal to via
Diameter.By the way that annular convex edge is arranged, the sundries dropped into barrier flaps can be stopped by annular convex edge, reduce the sundries in barrier flaps
It falls into via, to promote dust-proof effect.
In the sealing structure of above-mentioned car steering tube column, offers on the blimp and passed through for car steering tube column
Mounting hole, the sealing around the mounting hole be arranged and with blimp formed seal.Sealing is arranged around mounting hole
And formed and sealed with blimp, it can prevent the sundries below blimp from entering the inside of blimp and mounting base, while also rising
To soundproof effect.
In the sealing structure of above-mentioned car steering tube column, the blimp is a metal cap, and the mounting hole opens up
In the bottom of blimp, there is flange, the blimp to be connected on body of a motor car by flange on the periphery of the blimp.Gold
Blimp made of belonging to compares blimp made of traditional rubber material, and soundproof effect is more preferable, service life is also longer.Moreover,
Metal cap structural strength is high, and the sealing of sealing ring can be acted on blimp with larger pressing force, be conducive to be promoted dust-proof
And soundproof effect.
In the sealing structure of above-mentioned car steering tube column, the opening area of the via is less than opening for the mounting hole
Open area.The opening area of mounting hole is larger, can facilitate the installation of car steering tube column.Larger, the sound insulation moreover, mounting hole is open
The sundries slid on cover inside can smoothly be fallen on blocking part, and without falling directly into via, dust-proof effect is promoted with this.
In the sealing structure of above-mentioned car steering tube column, the top of the mounting base has the outer of equal plates in a ring
Coaming plate body and interior coaming plate body, it is described periphery plate body and interior coaming plate body between formed annular mounting groove, the installation channel opening to
On, the sealing of the sealing ring is arranged in the mounting groove.Design in this way, sealing ring can be pre-positioned in peace
It fills on seat, and mounting base is connected with steering column, when mounted, steering column is lifted up across mounting hole, just can make sealing
The sealing top pressure of circle is easy for installation on the bottom surface of blimp.Moreover, mounting groove can be supported sealing, make close
Envelope portion can with larger active force top pressure on blimp, without worrying that sealing ring falls off, therefore can guarantee sealing ring with
There is preferable leakproofness between blimp, promote sound insulation and dust-proof effect.
In the sealing structure of above-mentioned car steering tube column, the top edge of the interior coaming plate body circumferentially also has annular
Support turn edge, the lower surface of the blocking part is supported on the support turns edge.Due to the blocking part of sealing ring be have it is soft
Property, and support is set herein and is turned edge, certain support can be formed to blocking part, prevent blocking part from staying.
In the sealing structure of above-mentioned car steering tube column, the upper surface of the sealing is resisted against the blimp
Sealing is formed on bottom surface.
Compared with prior art, the sealing structure of this car steering tube column has the following advantages：
1, setting is used for dust-proof blocking part on sealing ring, and blocking part has flexibility so that the via of blocking part can be with
With smaller diameter, installation can also be made more convenient under the premise of promoting dust-proof effect.
2, blimp is made of metal material, and compared to blimp made of traditional rubber material, soundproof effect is more preferable, makes
It is also longer with the service life.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model.
Fig. 2 is the sectional view of the utility model.
Fig. 3 is the structural schematic diagram of mounting base and sealing ring.
Fig. 4 is the dimensional structure diagram of blimp.
In figure, 1, mounting base；11, peripheral plate body；12, interior coaming plate body；13, support turns edge；2, blimp；21, flange；3,
Mounting hole；4, car steering tube column；5, sealing ring；51, sealing；52, blocking part；52a, annular convex edge；6, via；7, it installs
Slot.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, the sealing structure of this car steering tube column includes mounting base 1 and blimp 2, blimp 2 is connected in
On body of a motor car, mounting hole 3 is offered on blimp 2, car steering tube column 4 is across mounting base 1 and mounting base 1 and motor turning
Tubing string 4 is connected, and the top of mounting base 1 is additionally provided with sealing ring 5.
As shown in Figures 2 and 3, sealing ring 5 include sealing 51 annular in shape, sealing 51 be fitted around hole 3 setting and
The upper surface of sealing 51, which is resisted against on the bottom surface of blimp 2, forms sealing.Sealing 51 is arranged around mounting hole 3 and and sound insulation
Cover 2 forms sealing, can prevent the sundries of the lower section of blimp 2 from entering the inside of blimp 2 and mounting base 1, at the same also function to every
Audio fruit.Sealing ring 5 further includes in the form of sheets and there is blocking part 52 flexible, sealing 51 to be arranged and obstruct around blocking part 52
The periphery in portion 52 is connected with sealing 51, and the via 6 passed through for car steering tube column 4 is offered on blocking part 52, via 6
Diameter is slightly larger than the diameter of 4 tube body of car steering tube column at via 6, and the opening area of via 6 is less than the opening face of mounting hole 3
Product.Since the diameter of via 6 is slightly larger than the diameter of 4 tube body of car steering tube column, 6 diameter of via is smaller, therefore can reduce sundries
Entered inside mounting base 1 by via 6, promotes dust-proof effect.On this basis, although 6 diameter of via is smaller, due to sealing
The blocking part 52 of circle 5 has flexibility, in 4 installation process of car steering tube column, if car steering tube column 4 has with via 6
Dislocation slightly, with car steering tube column 4 hard contact will not occur for blocking part 52, but make motor turning by deformation energy
Tubing string 4 passes through via 6, therefore the convenience of installation is not interfered in the case where 6 diameter of via is smaller, makes installation side
Just.
As shown in Figures 2 and 3, there is the annular convex edge 52a being arranged around via 6, annular on the upper side of blocking part 52
Convex edge 52a is cylindrical and perpendicular with blocking part 52, and the internal diameter of annular convex edge 52a is equal to the diameter of via 6.By the way that ring is arranged
Shape convex edge 52a, the sundries dropped into barrier flaps can be stopped that the sundries reduced in barrier flaps falls into via 6 by annular convex edge 52a
It is interior, to promote dust-proof effect.
As shown in figure 4, blimp 2 is a metal cap, mounting hole 3 is opened in the bottom of blimp 2, the periphery of blimp 2
With flange 21, blimp 2 is connected in by flange 21 on body of a motor car.Blimp 2 made of metal compares traditional rubber material
Blimp 2 made of material, soundproof effect is more preferable, service life is also longer.Moreover, metal cap structural strength is high, sealing ring 5 it is close
Envelope portion 51 can be acted on larger pressing force on blimp 2, be conducive to promote dust-proof and soundproof effect.
As shown in Fig. 2, the top of mounting base 1 has the peripheral plate body 11 of plate and interior coaming plate body 12 in a ring, periphery
The mounting groove 7 of annular is formed between plate body 11 and interior coaming plate body 12, the sealing 51 of 7 opening upwards of mounting groove, sealing ring 5 is arranged
In mounting groove 7.The top edge of interior coaming plate body 12 circumferentially also there is the support of annular to turn edge 13, the lower surface branch of blocking part 52
Support turns edge in support on 13.Since the blocking part 52 of sealing ring 5 is that have flexible, and support is set herein and turns edge 13, it can be right
Blocking part 52 forms certain support, prevents blocking part 52 from staying.When mounted, sealing ring 5 can be pre-positioned in mounting base 1
On, and mounting base 1 is connected with car steering tube column 4, when mounted, car steering tube column 4 is lifted up across mounting hole 3, just
Make 51 top pressure of sealing of sealing ring 5 on the bottom surface of blimp 2, it is easy for installation.Moreover, mounting groove 7 can be to sealing 51
It is supported, enables sealing 51 with larger active force top pressure on blimp 2, without worrying falling off for sealing ring 5, because
This, which can guarantee, has preferable leakproofness between sealing ring 5 and blimp 2, promote sound insulation and dust-proof effect.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although 1, mounting base is used more herein；11, peripheral plate body；12, interior coaming plate body；13, support turns edge；2, every
Sound cover；21, flange；3, mounting hole；4, car steering tube column；5, sealing ring；51, sealing；52, blocking part；52a, convex annular
Edge；6, via；7, the terms such as mounting groove, but it does not preclude the possibility of using other terms.The use of these terms is only to be
More easily describe and explain the essence of the utility model；Being construed as any one of the additional limitations is all and this reality
It is disagreed with novel spirit.
Claims (8)
1. a kind of sealing structure of car steering tube column, including the fixed mounting base (1) being set on car steering tube column (4) and
The top of the blimp (2) being connected on body of a motor car, the mounting base (1) is equipped with sealing ring (5), sealing ring (5) packet
Include sealing (51) annular in shape and that sealing is formed with blimp (2), which is characterized in that the sealing ring (5) further includes in piece
Shape and have blocking part flexible (52), the sealing (51) around blocking part (52) be arranged and blocking part (52) periphery it is equal
It is connected with sealing (51), the via (6) passed through for car steering tube column (4), the mistake is offered on the blocking part (52)
Diameter of the diameter in hole (6) slightly larger than car steering tube column (4) tube body at via (6).
2. the sealing structure of car steering tube column according to claim 1, which is characterized in that the blocking part (52) it is upper
There is the annular convex edge (52a) around via (6) setting, the annular convex edge (52a) is cylindrical and and blocking part on side
(52) perpendicular, the internal diameter of the annular convex edge (52a) is equal to the diameter of via (6).
3. the sealing structure of car steering tube column according to claim 1 or 2, which is characterized in that on the blimp (2)
Offer the mounting hole (3) passed through for car steering tube column (4), the sealing (51) be arranged around the mounting hole (3) and
It is formed and is sealed with blimp (2).
4. the sealing structure of car steering tube column according to claim 3, which is characterized in that the blimp (2) is one
Metal cap, the mounting hole (3) are opened in the bottom of blimp (2), and the periphery of the blimp (2) has flange (21), institute
Blimp (2) is stated to be connected on body of a motor car by flange (21).
5. the sealing structure of car steering tube column according to claim 4, which is characterized in that the opening of the via (6)
Area is less than the opening area of the mounting hole (3).
6. the sealing structure of car steering tube column according to claim 1 or 2, which is characterized in that the mounting base (1)
Top has the peripheral plate body (11) and interior coaming plate body (12) of plate in a ring, the peripheral plate body (11) and interior coaming plate body
(12) mounting groove (7) of annular, mounting groove (7) opening upwards are formed between, the sealing (51) of the sealing ring (5) is set
It sets in the mounting groove (7).
7. the sealing structure of car steering tube column according to claim 6, which is characterized in that the interior coaming plate body (12)
Top edge circumferentially also there is the support of annular to turn edge (13), and the lower surface of the blocking part (52) is supported on the support and turns edge
(13) on.
8. the sealing structure of car steering tube column according to claim 3, which is characterized in that the sealing (51) it is upper
End face, which is resisted against on the bottom surface of the blimp (2), forms sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820466137.XU CN208069782U (en) | 2018-04-03 | 2018-04-03 | A kind of sealing structure of car steering tube column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820466137.XU CN208069782U (en) | 2018-04-03 | 2018-04-03 | A kind of sealing structure of car steering tube column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208069782U true CN208069782U (en) | 2018-11-09 |
Family
ID=64043110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820466137.XU Active CN208069782U (en) | 2018-04-03 | 2018-04-03 | A kind of sealing structure of car steering tube column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208069782U (en) |
-
2018
- 2018-04-03 CN CN201820466137.XU patent/CN208069782U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |