CN209479646U - A kind of mounting structure of the dust cover for brake chamber - Google Patents
A kind of mounting structure of the dust cover for brake chamber Download PDFInfo
- Publication number
- CN209479646U CN209479646U CN201920199558.5U CN201920199558U CN209479646U CN 209479646 U CN209479646 U CN 209479646U CN 201920199558 U CN201920199558 U CN 201920199558U CN 209479646 U CN209479646 U CN 209479646U
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- China
- Prior art keywords
- dust cover
- lip
- sealing
- limit ring
- pressing plate
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of mounting structures of dust cover for brake chamber, are related to automotive brake field, including pressing plate, dust cover, gas chamber cap assemblies and cone spring；The dust cover includes sealing upper lip, sealing lower lip and at least one wave crest, and wave crest setting is between sealing upper lip and sealing lower lip；Mounting hole is also provided on the gas chamber cap assemblies, sealing lower lip is installed in mounting hole；The lower end of the sealing lower lip is additionally provided with lower limit ring, and lower limit ring is located in gas chamber cap assemblies, and pressing plate is pressed on the lower section of lower limit ring；The cone spring is mounted in gas chamber cap assemblies, and bores one end and the pressing plate abutting fixation of spring.The utility model not only makes the installation of seal closure more firm, and the reliability for installing seal closure greatly improves, and prevents seal closure from play occurs.
Description
Technical field
The utility model relates to automotive brake fields, in particular to a kind of dust cover for brake chamber
Mounting structure.
Background technique
Currently, heavy-duty automobile brake system be all made of be gas circuit braking, and final executive component be brake chamber produce
Product.The common mounting structure of brake chamber series of products dust cover causes inside brake chamber there are easy to fall off during sport car
Into silt and sewage, the brake chamber normal work and use service life is influenced, to reduce the safety coefficient of vehicle braking.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of mounting structure of dust cover for brake chamber
Problem.
To realize the utility model aim, the technical solution of use are as follows: a kind of installation of the dust cover for brake chamber
Structure, including pressing plate, dust cover, gas chamber cap assemblies and cone spring；The dust cover includes sealing upper lip, sealing lower lip and at least one
A wave crest, and wave crest setting is between sealing upper lip and sealing lower lip；It is also provided with mounting hole on the gas chamber cap assemblies, is sealed
Lower lip is installed in mounting hole；The lower end of the sealing lower lip is additionally provided with lower limit ring, and lower limit ring is located in gas chamber cap assemblies,
And pressing plate is pressed on the lower section of lower limit ring；The cone spring is mounted in gas chamber cap assemblies, and bores one end and the pressing plate abutting of spring
It is fixed.
Further, sleeve is additionally provided on the pressing plate, and fixed be plugged in of sleeve seals in lower lip.
Further, the sleeve and sealing lower lip interference fit.
Further, fixed plate, the upper table of fixed plate and pressing plate are also fixedly installed on the inner wall of the gas chamber cap assemblies
Face paste is closed；Fixation hole is offered in the fixed plate, and lower limit ring is installed in fixation hole.
Further, the fixed plate is to be welded and fixed.
Further, the boss with fixation hole cooperation is provided on the pressing plate, and the upper end of boss extends to fixation hole
It is interior.
Further, it is additionally provided with upper limit ring on the sealing lower lip, upper limit ring is pressed on the outer wall of gas chamber cap assemblies
On.
Further, the upper limit ring, lower limit ring, sealing upper lip, sealing lower lip and wave crest are structure as a whole.
Further, be also equipped with mandril in the gas chamber cap assemblies, one end of mandril sequentially pass through pressing plate, dust cover to
Outer extension, and seal upper lip and be screwed with mandril；The elongated end of the mandril is equipped with adjusting nut.
Further, the hardness of the dust cover is 60 °~100 ° of shore hardness.
Further, the hardness of the dust cover is 75 °~85 ° of shore hardness
Further, the junction of the sealing lower lip and gas chamber cap assemblies is coated with Instant cement.
Further, the wave crest is 3.
The utility model has the beneficial effects that
Pressing plate is installed by installing lower limit ring on sealing lower lip, and in the lower end of lower limit ring, due to cone spring installation
In gas chamber cap assemblies, cone spring is set to compress always to pressing plate by the elastic force of itself, to make pressing plate always to lower limit
Position ring is fixed, and is fixed sealing lower lip, is kept the installation of entire dust cover more firm, is effectively prevent dust cover with length
Time use and fall off.
The utility model not only makes the installation of seal closure more firm, and the reliability for installing seal closure greatly improves,
Prevent seal closure from play occurs, finally can effectively prevent silt, dust, sewage and enter inside brake chamber, improves vehicle system
Dynamic safety coefficient.
Detailed description of the invention
Fig. 1 is the structure chart of the mounting structure of the dust cover provided by the utility model for brake chamber.
Label and corresponding parts title in attached drawing:
1, pressing plate, 2, dust cover, 3, gas chamber cap assemblies, 4, cone spring, 5, mounting hole, 6, lower limit ring, 7, sleeve, 8, fixation
Plate, 9, fixation hole, 10, boss, 11, upper limit ring, 12, mandril, 13, adjusting nut；
21, upper lip, 22, sealing lower lip, 23, wave crest are sealed.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation or be constructed and operated in a specific orientation, therefore it should not be understood as limiting the present invention.In addition, term
" first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；Of course, can also be mechanical connection, it is also possible to be electrically connected；In addition, it can also be and be connected directly, be also possible to
Indirectly connected through an intermediary, or it can be connection inside two elements.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
A kind of shown mounting structure of the dust cover for brake chamber provided by the utility model of Fig. 1, including pressure
Plate 1, dust cover 2, gas chamber cap assemblies 3 and cone spring 4；The dust cover 2 includes sealing upper lip 21, seals lower lip 22 and at least one
Wave crest 23, and the setting of wave crest 23 is between sealing upper lip 21 and sealing lower lip 22；Installation is also provided on the gas chamber cap assemblies 3
Hole 5, sealing lower lip 22 are installed in mounting hole 5；The lower end of the sealing lower lip 22 is additionally provided with lower limit ring 6, and 6, lower limit ring
In in gas chamber cap assemblies 3, and pressing plate 1 is pressed on the lower section of lower limit ring 6；The cone spring 4 is mounted in gas chamber cap assemblies 3, and
The one end and pressing plate 1 for boring spring 4, which push against, to be fixed.
The sealing lower lip 22 is dust cover 2 close to one end of gas chamber cap assemblies 3, and sealing upper lip 21 is that dust cover 2 is separate
One end of gas chamber cap assemblies 3；The wave crest 23 is 3, and the particular number of wave crest 23 can be changed according to actual service condition
Become, so that the retractility of dust cover 2 be made to greatly improve, dust cover 2 is effectively prevent to rupture.The mounting hole 5 is circular hole, under sealing
Lip 22 fixes in mounting hole 5, and the diameter of mounting hole 5 is matched with the diameter of sealing lower lip 22, effectively prevent sealing lower lip
22 in mounting hole 5 random play.
The lower limit ring 6 is located on the outer wall of sealing lower lip 22, and the major diameter of lower limit ring 6 is greater than the straight of mounting hole 5
Diameter enables lower limit ring 6 to limit sealing lower lip 22 by the lower end installation lower limit ring 6 in sealing lower lip 22, thus
It realizes the limit to dust cover 2, dust cover 2 is effectively prevent to fall off.The pressing plate 1 is circle, the center of circle of pressing plate 1 and sealing lower lip
On the same line, and the diameter of pressing plate 1 is greater than the diameter of lower limit ring 6 in 22 center of circle, by abutting of the cone spring 4 to pressing plate 1,
The thrust for applying pressing plate 1 by cone spring 4 is applied directly on lower limit ring 6, to realize to the compression of lower limit ring 6, is made
Dust cover 2 is fixed, and effectively prevent falling off for dust cover 2.
Sleeve 7 is additionally provided on the pressing plate 1, and fixed be plugged in of sleeve 7 seals in lower lip 22；The center of the sleeve 7
On the same line, and sleeve 7 is wholely set the central axis of axis and sealing lower lip 22 with pressing plate 1, and the upper end of sleeve 7 is higher than
3 surface of gas chamber cap assemblies, and the length of sleeve 7 is less than the length of sealing lower lip 22, effectively prevent the upper end of sleeve 7 to dust cover
2 damage.It is sealed in lower lip 22 by the way that sleeve 7 to be plugged in, sealing 22 inner wall of lower lip is enable to be supported by sleeve 7,
Make to seal lower lip 22 by complete clamping, to keep the installation for sealing lower lip 22 more firm, keeps the installation of dust cover 2 more firm
Gu dust cover 2 is effectively prevent to fall off.The sleeve 7 is interference fitted with sealing lower lip 22, not only makes the installation of sealing lower lip 22 more
Add it is firm, and effectively limit sealing lower lip 22 radial displacement, to keep the stability of dust cover 2 more preferable.
Fixed plate 8, the upper surface patch of fixed plate 8 and pressing plate 1 are also fixedly installed on the inner wall of the gas chamber cap assemblies 3
It closes；Fixation hole 9 is offered in the fixed plate 8, and lower limit ring 6 is installed in fixation hole 9, by clamping lower limit ring 6
In fixation hole 9, the surrounding of lower limit ring 6 is enable to be limited by the hole wall of fixation hole 9, to effectively prevent lower limit ring
6 generate radial displacement, thus realize the limit of sealing lower lip 22, the final limit realized to dust cover 2；And pass through fixed plate 8
It is bonded with the upper surface of pressing plate 1, compresses pressing plate 1 to fixed plate 8, be closed the fixation hole 9 in fixed plate 8, thus effectively
It prevents the lower limit ring 6 positioned at fixation hole 9 from moving down, fixes the sealing of lower limit ring 6, to make the peace for sealing lower lip 22
Dress is more firm.
The fixed plate 8 is to be welded and fixed, and keeps the installation of fixed plate 8 more firm, obtains the limit for sealing lower lip 22
Guarantee.The boss 10 cooperated with fixation hole 9 is provided on the pressing plate 1, and the upper end of boss 10 extends in fixation hole 9, institute
The center that sleeve 7 is located at boss 10 is stated, 10 shape of boss, size are matched with the shape of fixation hole 9, size, and boss 10
The synthesis of the thickness of thickness and lower limit ring 6 is equal to the depth of fixation hole 9, stretches to boss 10 in fixation hole 9, boss 10 is right
Lower limit ring 6 is compressed, to prevent lower limit ring 6 from moving up and down, is kept the stability for sealing lower lip 22 more preferable, is effectively prevent
Dust cover 2 falls off.
It is additionally provided with upper limit ring 11 on the sealing lower lip 22, upper limit ring 11 is pressed on the outer wall of gas chamber cap assemblies 3；
Cooperated by upper limit ring 11 and lower limit ring 6, realize to sealing lower lip 22 vertical direction positioning, to effectively prevent close
Seal lower lip 22 vertical direction generate displacement, realize to dust cover 2 the displacement of vertical direction limitation, to make dust cover 2
It is effectively fixed, keeps the anti-dropout effect of dust cover 2 more preferable.The upper limit ring 11, lower limit ring 6, sealing upper lip 21,
Sealing lower lip 22 and wave crest 23 are structure as a whole, and keep the structure of dust cover 2 stronger；The material of the dust cover 2 is 8380,
To increase the hardness of dust cover 2, make the longer life expectancy of dust cover 2.
Mandril 12 is also equipped in the gas chamber cap assemblies 3, it is outside that one end of mandril 12 sequentially passes through pressing plate 1, dust cover 2
Extend, and seals upper lip 21 and be screwed with mandril 12；The elongated end of the mandril 12 is equipped with adjusting nut 13；The sealing
The diametric fit of the internal diameter of upper lip 21 and mandril 12 offers external screw thread on mandril 12, seals and offer internal screw thread on upper lip 21,
And externally threaded length is greater than the length of internal screw thread, can not only make to seal the quick fixing seal of upper lip 21, and pacifying dust cover
When dress, the position of sealing upper lip 21 adjusts more convenient.The adjusting mother 13 is mainly used for in the utility model use process
Fixation to fork arm keeps the utility model more convenient with the connection of mandril 12 when in use.
By adjusting adjusting nut 13, make adjusting nut 13 that sealing upper lip 21 be pushed to slide along mandril 12, thus realization pair
The position of wave crest 23 is adjusted, and the use of dust cover 2 is made to reach optimum state, and the using effect of dust cover 2 is made to reach best.
The hardness of the dust cover 2 is 60 °~100 ° of shore hardness；The hardness of the dust cover 2 be 75 ° of shore hardness~
85 °, the installation strength of dust cover 2 can not only be improved, and the intensity of dust cover 2 itself can be effectively improved.The sealing lower lip 22
It is coated with Instant cement with the junction of gas chamber cap assemblies 3, makes to seal lower lip 22 during installation, pressing plate 1, upper limit can not only be passed through
Ring 11, the limit of lower limit ring 6 are fixed, and Instant cement is 502, the installation for sealing lower lip 22 can be made to increase by the cooperation of Instant cement
Add reliability, finally makes the installation of dust cover 2 relatively reliable.
The installation process of dust cover in the utility model are as follows: fixed plate 9 is weldingly fixed on gas chamber cap assemblies 3 first
On inner wall, and keep the fixation hole 9 in fixed plate 9 corresponding with mounting hole 5, then by the surface of the sealing lower lip 22 in dust cover 2
Instant cement is coated, then fixes sealing lower lip 22 in mounting hole 5, and is right by boss 10 on pressing plate 1 and fixation hole 9
It answers, pressing plate 1 is jointly mounted on the lower surface of fixed plate 9；Cone spring 4 is mounted in gas chamber cap assemblies 3, and makes to bore spring 4
One end and pressing plate 1, which push against, to be fixed；Finally, mandril 12 is mounted in gas chamber cap assemblies 3, and make one end of mandril 12 through dust-proof
Cover 2 upwardly extends, and adjusting nut 13 is mounted on mandril 12, and passes through adjusting nut 13 for the sealing upper lip in dust cover 2
Locking 21.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of mounting structure of the dust cover for brake chamber, which is characterized in that including pressing plate, dust cover, air chamber cover group
Part and cone spring；The dust cover includes sealing upper lip, sealing lower lip and at least one wave crest, and wave crest setting sealing upper lip with
It seals between lower lip；Mounting hole is also provided on the gas chamber cap assemblies, sealing lower lip is installed in mounting hole；Under the sealing
The lower end of lip is additionally provided with lower limit ring, and lower limit ring is located in gas chamber cap assemblies, and pressing plate is pressed on the lower section of lower limit ring；Institute
It states cone spring to be mounted in gas chamber cap assemblies, and bores one end and the pressing plate abutting fixation of spring.
2. the mounting structure of the dust cover according to claim 1 for brake chamber, which is characterized in that on the pressing plate
It is additionally provided with sleeve, and fixed be plugged in of sleeve seals in lower lip.
3. the mounting structure of the dust cover according to claim 2 for brake chamber, which is characterized in that the sleeve with
Seal lower lip interference fit.
4. the mounting structure of the dust cover according to claim 1 for brake chamber, which is characterized in that the air chamber cover
Fixed plate is also fixedly installed on the inner wall of component, fixed plate is bonded with the upper surface of pressing plate；It is offered in the fixed plate solid
Determine hole, and lower limit ring is installed in fixation hole.
5. the mounting structure of the dust cover according to claim 4 for brake chamber, which is characterized in that on the pressing plate
It is provided with the boss with fixation hole cooperation, and the upper end of boss extends in fixation hole.
6. the mounting structure of the dust cover according to claim 1 for brake chamber, which is characterized in that under the sealing
Upper limit ring is additionally provided on lip, upper limit ring is pressed on the outer wall of gas chamber cap assemblies.
7. the mounting structure of the dust cover according to claim 6 for brake chamber, which is characterized in that the upper limit
Ring, lower limit ring, sealing upper lip, sealing lower lip and wave crest are structure as a whole.
8. the mounting structure of the dust cover according to claim 1 for brake chamber, which is characterized in that the air chamber cover
Mandril is also equipped in component, one end of mandril sequentially passes through pressing plate, dust cover extends outwardly, and seals upper lip and mandril screw thread
It is fixed；The elongated end of the mandril is equipped with adjusting nut.
9. the mounting structure of the dust cover according to claim 1 for brake chamber, which is characterized in that the dust cover
Hardness be 60 °~100 ° of shore hardness.
10. the mounting structure of the dust cover according to claim 1 for brake chamber, which is characterized in that the sealing
The junction of lower lip and gas chamber cap assemblies is coated with Instant cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199558.5U CN209479646U (en) | 2019-02-15 | 2019-02-15 | A kind of mounting structure of the dust cover for brake chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199558.5U CN209479646U (en) | 2019-02-15 | 2019-02-15 | A kind of mounting structure of the dust cover for brake chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209479646U true CN209479646U (en) | 2019-10-11 |
Family
ID=68133768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920199558.5U Active CN209479646U (en) | 2019-02-15 | 2019-02-15 | A kind of mounting structure of the dust cover for brake chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209479646U (en) |
-
2019
- 2019-02-15 CN CN201920199558.5U patent/CN209479646U/en active Active
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