CN2837604Y - Exhaust valve for brake - Google Patents
Exhaust valve for brake Download PDFInfo
- Publication number
- CN2837604Y CN2837604Y CN 200520035850 CN200520035850U CN2837604Y CN 2837604 Y CN2837604 Y CN 2837604Y CN 200520035850 CN200520035850 CN 200520035850 CN 200520035850 U CN200520035850 U CN 200520035850U CN 2837604 Y CN2837604 Y CN 2837604Y
- Authority
- CN
- China
- Prior art keywords
- spool
- ball
- flange
- bleeding valve
- brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model relates to an exhaust valve for a brake of a vehicle braking control component, which comprises a valve core. A blind hole is arranged on the axial center of the valve core, and a by-pass hole which is corresponding to the blind hole is arranged at the bottom of the valve core. The exhaust valve for a brake of a vehicle braking control component is characterized in that the bottom end of the valve core is connected with a flange. A spring is sheathed on the valve core. A corresponding pressing seat is erected on the upper part of the valve core. The spring is arranged between the flange and the pressing seat. A ball groove channel is arranged on a plane in the flange which is corresponding to the pressing seat. A ball is placed in the ball groove channel. The bottom plane of the ball groove channel is provided with a wedge shape or an arc shape along the rotation direction of the ball. A first sealing annular channel is also arranged on the plane in the flange which is corresponding to the pressing seat. The ball groove channel is positioned within the border which is demarcated by the first sealing annular channel. A pressing annular channel is arranged on the outer side of the upper part of the valve core. A retainer ring is arranged in the pressing annular channel. The retainer ring is abutted with the pressing seat. The plane in the flange which is corresponding to the pressing seat and the inner surface of a clamp body of a brake are mutually stuck. Both ends of the spring are respectively abutted with the outer surface of the clamp body of the brake and the pressing seat. The utility model has the advantage of high reliability.
Description
Technical field
The utility model relates to the vehicle braking control parts, relates in particular to a kind of brake bleeding valve.
Background technique
In the break (as caliper disc brake) of automobile, adopt the plain screw bleed valve mostly, as Fig. 1, shown in, spool screw 10 is drilled with blind hole 11 and by-pass hole 12, blind hole 11 communicates with by-pass hole 12.As shown in Figure 2, offer corresponding vent hole 71 on the caliper 7 of caliper disc brake, this vent hole 71 is a different diameter hole, and bigger diameter end has been attacked screw thread, as shown in Figure 3, and the screw-thread fit on this bigger diameter end and the spool screw 10, miner diameter end and spool screw 10 lower end cone match.
When needing to seal at ordinary times, spool screw 10 screws, and the spool screw 10 front end conical surfaces compress the miner diameter end of caliper 7 vent holes 71, with vent hole 71 sealings.When the filling brake fluid need be exitted, spool screw 10 is unscrewed, spool screw 10 awl ends produce the gap with vent hole 70 miner diameter ends, and gas is discharged by blind hole 11 by by-pass hole 12.
There is following shortcoming in this bleed valve structure:
Braking clamp body 7 is contained on the automotive suspension, because the cause of wheel hop during automobile is expert at, caliper 7 vibrations are very frequent, spool screw 10 very easily produces loosening under the working environment of frequent vibration, in this design, spool screw 10 will cause brake fluid to leak as long as produce a little loosening; Loosening serious slightly, braking effect is descended, even forfeiture braking force, bring great potential safety hazard to vehicle driving.
Therefore, spool screw 10 functional reliabilities of the prior art are poor.
Summary of the invention
The brake bleeding valve that provides a kind of reliability high is provided the purpose of this utility model, and is loosening easily to overcome in the prior art spool screw, causes brake fluid to leak, and influences the defective of braking effect.
The utility model comprises spool, and the spool axial centre is provided with blind hole, and the spool bottom is provided with corresponding by-pass hole, it is characterized in that: described spool bottom is connected with flange, the sheathed spring of this spool, corresponding pressed seat is set up on spool top, and described spring places between flange and the pressed seat; In described flange, on the opposite planar of pressed seat, offer the ball conduit, be placed with ball in the ball conduit, the bottom plane of described ball conduit has wedge shape or arc along ball turn direction.
The bottom plane of described ball conduit is a double-wedge to the top shape along ball turn direction
Type.
The bottom plane of described ball conduit is middle low along ball turn direction, the circular arc type of two head heights.
In the described flange, on the opposite planar of pressed seat, also offer the first sealing circuit, described ball conduit is positioned at the inside that the first sealing circuit is delimitated.
Described spool upper outside is offered and is compressed circuit, and described compressing installed back-up ring in the circuit, and described back-up ring is replaced pressed seat.
Described spool upper end connects the clamping part with polygonal side.
Described clamping part top is provided with lug boss, and described lug boss is installed corresponding dust-proof cover.
The second sealing circuit is offered in the outside, described spool middle part.
Paste mutually with the opposite planar and the break caliper internal surface of pressed seat in the described flange, described both ends of the spring is replaced break caliper outer surface and pressed seat respectively.
Two ball conduits are set in the described flange at least, and described ball conduit is arranged in the respective planes of flange equably.
By-pass hole in the described spool is two mutually vertical and through holes that radially run through along spool.
The beneficial effects of the utility model are: in the utility model, the spool bottom is connected with flange, the sheathed spring of spool, corresponding pressed seat is set up on spool top, spring places between flange and the pressed seat, the utility model is when closing sealing state, elastic force by spring makes flange closely paste mutually with break caliper internal surface, and the frequent vibration of automobile is not influence for the elastic force of spring, and, when using the utility model, outward winding behind the ball, under the effect of spring force, can force ball cycle (or sliding back) low level flange generation power from inside to outside, the effect of self-return is promptly arranged, and after spring force lost efficacy, the pressure of brake fluid self also can produce the power that compresses from inside to outside to flange, make valve seal, have certain self-locking effect, therefore, the utility model functional reliability height, the working environment of frequent vibration does not influence locking state of the present utility model, and is easy and simple to handle and have an auto-lock function.
Adopt the bottom plane of ball conduit
Type or middle low, the circular arc type of two head heights, structure, technology are simple.
In flange with on the opposite planar of pressed seat, offer the first sealing circuit, and the outside, spool middle part offers the second sealing circuit, place corresponding seal ring, can strengthen sealability of the present utility model, improve functional reliability at first and second sealing circuit.
The spool upper outside is offered and compressed circuit, compresses and installs back-up ring in the circuit, replaces pressed seat by back-up ring, and is simple in structure, easy to operate, improved practicability of the present utility model.
The spool upper end connects the clamping part with polygonal side, and clamping part is used in and helps rotary spool when using the utility model, has improved practicability of the present utility model.
The clamping part top is provided with lug boss, and described lug boss is installed corresponding dust-proof cover, can prevent that external dust, earth from producing harmful effect to spool, as stopping up blind hole, improves reliability of the present utility model.
Description of drawings
Fig. 1 is a spool screw vertical cross-section schematic representation in the prior art;
Fig. 2 is the vertical cross-section partial schematic diagram of caliper vent hole in the prior art;
Fig. 3 is pack into the assembling schematic representation of vent hole of spool screw in the prior art;
Fig. 4 is spool and a connection diagram thereof in the utility model;
Fig. 5 is along A-A cross section schematic top plan view among Fig. 4;
Fig. 6 is along B-B cross section partial schematic diagram among Fig. 5;
Fig. 7 is along the C-C schematic cross-section among Fig. 4;
Fig. 8 is the utility model assembly structure schematic representation;
Fig. 9 is the utility model user mode schematic representation.
Embodiment
With embodiment the utility model is described in further detail with reference to the accompanying drawings below:
According to Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the utility model comprises spool 1, and spool 1 axial centre is provided with blind hole 11, and spool 1 bottom is provided with corresponding by-pass hole 12, as shown in Figure 4 and Figure 5, the by-pass hole in the spool 1 12 is two mutually vertical and through holes that radially run through along spool 1.
As Fig. 4, Fig. 5 and shown in Figure 8, spool 1 bottom is connected with flange 2, this spool 1 sheathed spring 3, and corresponding pressed seat 4 is set up on spool 1 top, and spring 3 places between flange 2 and the pressed seat 4.
As Fig. 4, Fig. 5 and shown in Figure 6, in flange 2, on the opposite planar of pressed seat 4, offer three ball conduits 21, ball conduit 21 is arranged in the respective planes of flange 2 equably, be placed with ball 20 in the ball conduit 21, the bottom plane of ball conduit 21 has wedge shape along ball 20 turn directions, and the bottom plane of ball conduit 21 as shown in Figure 6 is a double-wedge to the top shape
Type, in the utility model, the bottom plane of ball conduit 21 also can be low for the centre along ball 20 turn directions, the circular arc type of two head heights.
As shown in Figure 4 and Figure 5, in flange 2, offer the first sealing circuit 22, ball conduit 21 is positioned at the inside that the first sealing circuit 22 is delimitated, and is placed with seal ring 221 in the first sealing circuit 22.
As Fig. 4 and shown in Figure 8, the vent hole 71 that spool 1 inserts in the caliper 7 pastes mutually with the opposite planar and break caliper 7 internal surfaces of pressed seat 4 in the flange 2, and spring 3 two ends are replaced break caliper 7 outer surfaces and pressed seat 4 respectively.
Shown in Figure 8 as Fig. 4, the second sealing circuit 16 is offered in the outside, spool 1 middle part, is placed with seal ring 161 in this second sealing circuit 16.
As Fig. 4 and shown in Figure 8, spool 1 upper outside is offered and is compressed circuit 13, compresses installing back-up ring 5 in the circuit 13, and back-up ring 5 is withheld and replace pressed seat 4 in being compressed circuit 13.
As Fig. 4, Fig. 7 and shown in Figure 8, spool 1 upper end connects the clamping part 14 with quadrilateral side, and in the utility model, the side of this clamping part 14 also can be triangle, pentagon or more.
As Fig. 4 and shown in Figure 8, clamping part 14 tops are provided with lug boss 15, and lug boss 15 can be installed corresponding dust-proof cover dust-proof cover 6, is arranged with dust-proof cover 6 on the lug boss 15.
As shown in Figure 8, the utility model is when closing sealing, flange 2 pastes mutually with break caliper 7 internal surfaces, seal ring 221 blocks the passage that leaks, seal ring 161 further shutoff leak, and spring 3 two ends are replaced break caliper 7 outer surfaces and pressed seat 4 respectively, at this moment, ball 20 is in the extreme lower position of ball conduit 21, and caliper 7 internal surfaces are replaced at the top; When the filling brake fluid need be exitted, take off dust-proof cover 6, by clamping part 14 turn spools 1, drive flange 2 corresponding rotations, ball 20 is along 21 turns of ball conduit, as shown in Figure 9, when ball 20 turns during the higher position, form a clearance delta t between flange 2 planes and caliper 7 internal surfaces to ball conduit 21, the gases in the caliper 7 are promptly let out to by-pass hole 12 by this gap, again by blind hole 11 to external leakage, exit, after venting finishes, again by clamping part 14 turn spools 1, make the extreme lower position of ball 20 cycles, reseal to ball conduit 21.In using process of the present utility model, outward winding behind the ball 20, can be under the effect of spring force to flange 2 generations power from inside to outside, force ball 20 cycle (or sliding back) low levels, the effect of self-return is promptly arranged, and, after spring force lost efficacy, the pressure of brake fluid self also can produce the power that compresses from inside to outside to flange 2, makes valve seal, has certain self-locking effect, therefore, the utility model functional reliability height, the working environment of frequent vibration does not influence locking state of the present utility model, and is easy and simple to handle and have an auto-lock function.
Claims (11)
1. a brake bleeding valve comprises spool (1), and spool (1) axial centre is provided with blind hole (11), and spool (1) bottom is provided with corresponding by-pass hole (12), it is characterized in that:
Described spool (1) bottom is connected with flange (2), the sheathed spring of this spool (1) (3), and corresponding pressed seat (4) is set up on spool (1) top, and described spring (3) places between flange (2) and the pressed seat (4);
In described flange (2), on the opposite planar of pressed seat (4), offer ball conduit (21), be placed with ball (20) in the ball conduit (21), the bottom plane of described ball conduit (21) has wedge shape or arc along ball (20) turn direction.
2. brake bleeding valve according to claim 1 is characterized in that: the bottom plane of described ball conduit (21) is a double-wedge to the item shape along ball (20) turn direction
Type.
3. brake bleeding valve according to claim 1 is characterized in that: the bottom plane of described ball conduit (21) is low for the centre along ball (20) turn direction, the circular arc type of two head heights.
4. brake bleeding valve according to claim 1, it is characterized in that: in the described flange (2), on the opposite planar of pressed seat (4), also offer the first sealing circuit (22), described ball conduit (21) is positioned at the inside that the first sealing circuit (22) is delimitated.
5. according to any described brake bleeding valve among the claim 1-4, it is characterized in that:
Described spool (1) upper outside is offered and is compressed circuit (13), and described compressing installed back-up ring (5) in the circuit (13), and described back-up ring (5) is replaced pressed seat (4).
6. according to any described brake bleeding valve among the claim 1-4, it is characterized in that:
Described spool (1) upper end connects the clamping part (14) with polygonal side.
7. according to the brake bleeding valve described in the claim 6, it is characterized in that: described clamping part (14) top is provided with lug boss (15), and described lug boss (15) is installed corresponding dust-proof cover (6).
8. according to any described brake bleeding valve among the claim 1-4, it is characterized in that:
The second sealing circuit (16) is offered in the outside, described spool (1) middle part.
9. according to any described brake bleeding valve among the claim 1-4, it is characterized in that:
Paste mutually with the opposite planar and the break caliper internal surface of pressed seat (4) in the described flange (2), described spring (3) two ends are replaced break caliper outer surface and pressed seat (4) respectively.
10. according to any described brake bleeding valve among the claim 1-4, it is characterized in that: two ball conduits (21) are set in the described flange (2) at least, and described ball conduit (21) is arranged in the respective planes of flange (2) equably.
11. according to any described brake bleeding valve among the claim 1-4, it is characterized in that: the by-pass hole (12) in the described spool (1) is two mutually vertical and through holes that radially run through along spool (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035850 CN2837604Y (en) | 2005-10-18 | 2005-10-18 | Exhaust valve for brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035850 CN2837604Y (en) | 2005-10-18 | 2005-10-18 | Exhaust valve for brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2837604Y true CN2837604Y (en) | 2006-11-15 |
Family
ID=37392089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520035850 Expired - Lifetime CN2837604Y (en) | 2005-10-18 | 2005-10-18 | Exhaust valve for brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2837604Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231587A (en) * | 2020-02-18 | 2020-06-05 | 浙江福林国润汽车零部件有限公司 | Self-inflating constant-pressure tire burst prevention system |
-
2005
- 2005-10-18 CN CN 200520035850 patent/CN2837604Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231587A (en) * | 2020-02-18 | 2020-06-05 | 浙江福林国润汽车零部件有限公司 | Self-inflating constant-pressure tire burst prevention system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061115 |
|
| EXPY | Termination of patent right or utility model |