CN220134478U - Clutch booster exhaust base - Google Patents
Clutch booster exhaust base Download PDFInfo
- Publication number
- CN220134478U CN220134478U CN202321474522.6U CN202321474522U CN220134478U CN 220134478 U CN220134478 U CN 220134478U CN 202321474522 U CN202321474522 U CN 202321474522U CN 220134478 U CN220134478 U CN 220134478U
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- China
- Prior art keywords
- air outlet
- air
- outlet nozzle
- outlet channel
- diameter
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- 230000000903 blocking effect Effects 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model relates to the field of clutch booster exhaust, in particular to a clutch booster exhaust base, which comprises a relay piston, an air inlet valve core and two air blocking heads, wherein an air outlet channel is arranged between the relay piston and the air inlet valve core after the relay piston is not pushed to reset by hydraulic pressure, an air outlet nozzle is arranged on the outer side of the air outlet channel, one end of the air outlet channel close to the outer side is communicated with the air outlet nozzle, threads are arranged on the circumferential surface of the bottom of the air blocking heads, the cross section of the air outlet nozzle is in a waist-shaped hole shape, a partition wall is arranged between the air outlet nozzle and the air outlet channel, a threaded blind hole is respectively arranged on two sides of the air outlet channel on the partition wall, and each threaded blind hole is connected with an air blocking head by internal threads.
Description
Technical Field
The utility model relates to the field of clutch booster exhaust, in particular to a clutch booster exhaust base.
Background
The opening of the truck clutch requires the clutch booster to be operated by the driver depressing the clutch pedal. When a driver steps on a clutch pedal, the booster oil and the compressed air enter the booster, hydraulic pressure and air pressure jointly act on a piston rod, and an actuating rod is pushed to boost the clutch; when the driver releases the clutch pedal, the assistance oil and the compressed air are discharged from the inside of the booster, and the assistance is released.
However, the specifications of trucks are also different sometimes, so that the air inflow required during power assisting is inconsistent, the air inflow of a heavy truck is greatly larger than that of a small truck, the size of the air outlet opening of the booster is fixed, the heavy truck is influenced by relatively low air discharge when the heavy truck needs to be released from power assisting, and the small truck is relatively high in air discharge when the small truck needs to be released from power assisting, so that the damage rate to the booster piston and a return spring of the booster piston is increased.
Disclosure of Invention
Therefore, the technical problems to be solved by the utility model are as follows: the size of the vent nozzle opening of the existing clutch booster is fixed, so that the speed of vent nozzle exhaust cannot be matched with the air inflow of the booster.
In order to solve the technical problems, the utility model provides an exhaust base of a clutch booster, which comprises a relay piston, an air inlet valve core and two air blocking heads, wherein an air outlet channel is arranged between the relay piston and the air inlet valve core after the relay piston is not pushed to reset by hydraulic pressure, an air outlet nozzle is arranged at the outer side of the air outlet channel, one end of the air outlet channel close to the outer side is communicated with the air outlet nozzle,
the bottom circumferential surface of the air blocking head is provided with threads, the cross section of the air outlet nozzle is in a waist-shaped hole shape, a partition wall is arranged between the air outlet nozzle and the air outlet channel, a threaded blind hole is respectively arranged on two sides of the air outlet channel on the partition wall, and each threaded blind hole is internally connected with an air blocking head through threads.
Preferably, when the air outlet nozzle is in threaded connection with the threaded blind hole, the top end of the air plug extends out of the air outlet nozzle.
Preferably, the air blocking head comprises a rod part and a hand holding part, wherein the hand holding part is arranged on the top surface of the rod part, and the diameter of the hand holding part is larger than that of the rod part and extends out of the air outlet nozzle.
Preferably, the outside of the air outlet nozzle is provided with a sealing hole, the diameter of the sealing hole is larger than that of the air outlet nozzle, the diameter of the hand holding part is larger than that of the air outlet nozzle and equal to that of the sealing hole, a rubber sleeve is sleeved outside the hand holding part, the rubber sleeve comprises a bottom surface and a circumferential surface, when the air plug is in threaded connection with the threaded blind hole, the inner side surface of the rubber sleeve is tightly pressed on the step edge of the air outlet nozzle, and the circumferential surface of the rubber sleeve is tightly pressed on the side wall surface of the sealing hole.
The technical scheme of the utility model has the following beneficial effects:
according to the utility model, the size of the opening of the air outlet nozzle can be controlled by installing the air blocking head in the air outlet nozzle according to the specification of the truck, so that the air inflow of the booster is matched with the air exhaust speed, and the air exhaust speed of the heavy truck is not too slow when the heavy truck needs to release the assistance of the clutch, thereby influencing the running of the heavy truck; and the small card has too high exhaust speed when the clutch needs to be de-boosted, so that the damage rate of the booster piston and the return spring thereof is increased.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of an exhaust mount on an overall schematic of a clutch booster provided in an embodiment of the utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an exploded view of the gas plug and gas outlet nozzle of the present utility model;
FIG. 4 is a cross-sectional view of a hand grip of the present utility model;
fig. 5 is a front view of the air dam of the present utility model.
Reference numerals illustrate: 1. a relay piston; 2. an air inlet valve core; 3. a gas plug; 31. a stem portion; 32. a hand grip; 4. an air outlet channel; 5. an air outlet nozzle; 6. a partition wall; 61. a threaded blind hole; 7. sealing the hole; 8. a rubber sleeve; 81. a bottom surface; 82. and a circumferential surface.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
The utility model provides an exhaust base of a clutch booster, which comprises a relay piston 1, an air inlet valve core 2 and two air blocking heads 3, wherein when the booster is required to be relieved, a driver releases a clutch pedal, oil flows back to the direction of an oil pump, the relay piston 1 is relieved of hydraulic pushing, an air outlet channel 4 is arranged between the relay piston 1 and the air inlet valve core 2 after resetting, an air outlet nozzle 5 is arranged on the outer side of the air outlet channel 4, and one end, close to the outer side, of the air outlet channel 4 is communicated with the air outlet nozzle 5.
The utility model can control the size of the air outlet nozzle 5 according to the specification of the truck, because the clutch booster of the heavy truck needs large force when boosting the clutch, the compressed air quantity entering the booster is large when boosting, so when the booster is released, the air displacement is also large, the opening of the air outlet nozzle 5 can be controlled to the maximum, and at the moment, two air blocking heads 3 are not needed to be arranged in the air outlet nozzle 5; when the clutch booster of the small clamp is used for boosting the clutch, the force required by the clutch booster is small, so that the compressed air quantity entering the booster is small during boosting, and when the booster is released, the air displacement is also small, so that the opening of the air outlet nozzle 5 can be controlled to be minimum, and at the moment, two air blocking heads 3 can be arranged in the air outlet nozzle 5; the clutch booster of the middle card has a moderate force required for boosting the clutch, so the compressed air amount entering the booster during boosting is moderate, so the air displacement is moderate when the boosting is released, so the opening size of the air outlet nozzle 5 can be controlled to be moderate, and at the moment, one air plug 3 can be arranged in the air outlet nozzle 5.
Specifically, the bottom circumferential surface 82 of the air blocking head 3 is provided with threads, the cross section of the air outlet nozzle 5 is in a waist-shaped hole shape, a partition wall 6 is arranged between the air outlet nozzle 5 and the air outlet channel 4, two sides of the partition wall 6, which are positioned on the air outlet channel 4, are respectively provided with a threaded blind hole 61, and the inner thread of each threaded blind hole 61 is connected with one air blocking head 3.
When the air outlet nozzle 5 is in threaded connection with the threaded blind hole 61, the top end of the air blocking head 3 extends out of the air outlet nozzle 5, so that the air blocking head 3 can be conveniently installed in the air outlet nozzle 5 or removed from the air outlet nozzle 5.
The air plug 3 comprises a rod portion 31 and a hand holding portion 32, the hand holding portion 32 is arranged on the top surface of the rod portion 31, the diameter of the hand holding portion 32 is larger than that of the rod portion 31, and the hand holding portion 32 extends out of the air outlet nozzle 5. When the air blocking head 3 is mounted and dismounted, the hand holding part 32 can be held by hand, so that the convenience of mounting or dismounting the air blocking head 3 is further improved.
The outside of the air outlet nozzle 5 is provided with a sealing hole 7, the diameter of the sealing hole 7 is larger than that of the air outlet nozzle 5, the diameter of the hand holding part 32 is larger than that of the air outlet nozzle 5 and is equal to that of the sealing hole 7, a rubber sleeve 8 is sleeved outside the hand holding part 32, the rubber sleeve 8 comprises a bottom surface 81 and a circumferential surface 82, when the air blocking head 3 is in threaded connection with the threaded blind hole 61, the inner side surface of the rubber sleeve 8 is tightly pressed on the step edge of the air outlet nozzle 5, the circumferential surface 82 of the rubber sleeve 8 is tightly pressed on the side wall surface of the sealing hole 7, the air leakage phenomenon caused by gaps between the air blocking head 3 and the air outlet nozzle 5 is avoided, and the sealing performance of the air blocking head 3 and the air outlet nozzle 5 is improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (4)
1. The clutch booster exhaust base comprises a relay piston (1) and an air inlet valve core (2), wherein an air outlet channel (4) is arranged between the relay piston (1) and the air inlet valve core (2) after the relay piston is not pushed to reset by hydraulic pressure, an air outlet nozzle (5) is arranged on the outer side of the air outlet channel (4), one end, close to the outer side, of the air outlet channel (4) is communicated with the air outlet nozzle (5),
the novel air blocking device is characterized by further comprising two air blocking heads (3), wherein threads are arranged on the circumferential surface (82) at the bottom of each air blocking head (3), the cross section of each air outlet nozzle (5) is in a waist-shaped hole shape, a partition wall (6) is arranged between each air outlet nozzle (5) and each air outlet channel (4), a threaded blind hole (61) is respectively formed in each partition wall (6) and located on two sides of each air outlet channel (4), and each threaded blind hole (61) is internally connected with one air blocking head (3) in a threaded mode.
2. A clutch booster exhaust base according to claim 1, characterized in that the tip of the air plug (3) protrudes out of the air outlet nozzle (5) when the air outlet nozzle (5) is screwed into the threaded blind hole (61).
3. The clutch booster exhaust base according to claim 2, wherein the air blocking head (3) comprises a rod portion (31) and a hand holding portion (32), the hand holding portion (32) is arranged on the top surface of the rod portion (31), and the diameter of the hand holding portion (32) is larger than that of the rod portion (31) and extends out of the air outlet nozzle (5).
4. A clutch booster exhaust base according to claim 3, characterized in that, the outside of air outlet nozzle (5) is equipped with sealed hole (7), the diameter of sealed hole (7) is greater than the diameter of air outlet nozzle (5), the diameter of hand portion (32) is greater than the diameter of air outlet nozzle (5), equals the diameter of sealed hole (7), a gum cover (8) is established to hand portion (32) outside cover, gum cover (8) include bottom surface (81) and circumference face (82), when air blocking head (3) threaded connection in on threaded blind hole (61), the medial surface of gum cover (8) is sticis in the step border of air outlet nozzle (5), circumferential surface (82) of gum cover (8) are sticis in sealing hole (7) lateral wall face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474522.6U CN220134478U (en) | 2023-06-09 | 2023-06-09 | Clutch booster exhaust base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474522.6U CN220134478U (en) | 2023-06-09 | 2023-06-09 | Clutch booster exhaust base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134478U true CN220134478U (en) | 2023-12-05 |
Family
ID=88964223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321474522.6U Active CN220134478U (en) | 2023-06-09 | 2023-06-09 | Clutch booster exhaust base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134478U (en) |
-
2023
- 2023-06-09 CN CN202321474522.6U patent/CN220134478U/en active Active
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