CN220488162U - Brake chamber for wading - Google Patents

Brake chamber for wading Download PDF

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Publication number
CN220488162U
CN220488162U CN202322255328.5U CN202322255328U CN220488162U CN 220488162 U CN220488162 U CN 220488162U CN 202322255328 U CN202322255328 U CN 202322255328U CN 220488162 U CN220488162 U CN 220488162U
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China
Prior art keywords
brake
chamber
brake chamber
wading
diaphragm
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CN202322255328.5U
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Chinese (zh)
Inventor
房绍山
林玮静
孙超
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China National Heavy Duty Truck Group Jinan Power Co Ltd
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China National Heavy Duty Truck Group Jinan Power Co Ltd
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Priority to CN202322255328.5U priority Critical patent/CN220488162U/en
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Abstract

The utility model relates to a wading brake chamber, which belongs to the technical field of brake chambers and comprises a brake chamber, wherein the brake chamber is provided with a diaphragm which divides the brake chamber into a front cavity and a working cavity; the front cavity is communicated with a ventilation pipeline extending to the upper part of the water surface, and a filter screen is arranged at one end of the ventilation pipeline, which is far away from the brake air chamber. The diaphragm realizes the compression effect on air pressure, so that the air pressure acts in the working cavity; through the vent line that can extend to the surface of the water top, avoid having water to enter into inside the brake chamber to lead to because the inside atmospheric pressure rate of change of brake chamber is fast, the waterproof purpose of diaphragm unable fast response that leads to, utilize the filter screen to avoid solid impurity to enter into inside the brake chamber, and cause and produce impact abrasion to the brake chamber including the diaphragm.

Description

Brake chamber for wading
Technical Field
The utility model belongs to the technical field of brake chambers, and particularly relates to a wading brake chamber.
Background
The pneumatic brake is called disc brake, pneumatic brake, air-compressing disc brake, air-compressing oil pneumatic brake, etc. and belongs to one of industrial transmission brakes. Simple structure, simple to operate, not fragile, resistance to compression is anti falls anti knocks, long service life, generally only needs to change the brake block, and it is easy simple and convenient to change, adopts the magnet effect.
At present, the domestic heavy-duty car adopts the pneumatic brake more, the brake chamber converts the air pressure into the actuating force required by the brake through its mechanical structure, the brake friction pair is pushed to attach and finish the vehicle braking, the traditional brake chamber is provided with a breathing hole on a breathing cavity shell, the breathing cavity is directly communicated with the atmosphere, no protective measures are required, meanwhile, along with the increase of diversified and personalized demands, the application scene demand with the wading depth of 800mm exists in the market, the brake chamber needs to finish the braking under water, the traditional brake chamber can suck water into the breathing cavity through the breathing hole, the condition that the brake chamber protective sleeve bursts or falls off is very easy to occur during the braking, thereby leading the brake to water inlet and failure, and affecting the running safety of the vehicle.
The disc brake assembly belongs to a splash-proof unit, wherein a key influencing factor is a disc brake air chamber, and the waterproof performance of the disc brake air chamber front chamber determines the waterproof performance of the disc brake assembly because the disc brake air chamber front chamber is directly connected with the inner chamber of a disc brake caliper body. At present, most of the waterproof performance concerns of the disc brake air chamber are concentrated in the working cavity of the air chamber, and the main lifting ways are as follows: the membrane structure is optimized, the membrane clamping force is enhanced, and the like, but the measure can only improve the sealing performance of the brake air chamber, and the waterproof performance of the disc brake assembly can not be improved; and the pressure change rate of the front cavity of the brake chamber is too high, so that the diaphragm component cannot adapt to the pressure and cannot block water, and the risk of braking force reduction is caused.
Disclosure of Invention
The utility model provides a wading brake chamber communicated with the outside, which aims to solve the problem that the brake force is reduced due to water inflow when the brake chamber is used.
The utility model is realized by the following technical scheme:
the brake air chamber for wading comprises a brake air chamber, wherein the brake air chamber is provided with a diaphragm, and the diaphragm divides the brake air chamber into a front cavity and a working cavity; the front cavity is communicated with a ventilation pipeline extending to the upper part of the water surface, and a filter screen is arranged at one end, far away from the brake air chamber, of the ventilation pipeline.
The diaphragm realizes the compression effect on air pressure, so that the air pressure acts in the working cavity; through the vent line that can extend to the surface of the water top, avoid having water to enter into inside the brake chamber to lead to because the inside atmospheric pressure rate of change of brake chamber is fast, the waterproof purpose of diaphragm unable fast response that leads to, utilize the filter screen to avoid solid impurity to enter into inside the brake chamber, and cause and produce impact abrasion to the brake chamber including the diaphragm.
The utility model further improves that the two ventilation pipelines are arranged, one end of each ventilation pipeline, which is far away from the brake air chamber, is connected with the main air pipe through the three-way joint, and the filter screen is arranged at one end of the main air pipe, which is far away from the three-way joint. The two ventilation pipelines are beneficial to improving the smoothness of the communication between the brake air chamber and an external air source, and the normal use of the air source is ensured.
The utility model further improves that the outer part of the braking air chamber is provided with a breathing cavity shell, and the breathing cavity shell is communicated with the front cavity and the ventilation pipeline through a locking piece. The protection is provided outside the brake chamber through the breathing chamber shell, and the front chamber is communicated with the ventilation pipeline through the locking piece to form an air source.
In a further development of the utility model, the locking element comprises a hollow screw bolt which is arranged on the breathing chamber housing and extends into the ventilation line, and a hollow nut which can press the ventilation line onto the hollow screw bolt is connected to the hollow screw bolt in a threaded manner. The hollow nut compresses tightly the vent line of cover on hollow bolt fixedly, avoids appearing the pine and takes off.
The utility model further improves that a sealing ring is arranged between the hollow nut and the ventilation pipeline. The sealing ring is favorable for improving the sealing effect and avoiding leakage of an air source or infiltration of a water source.
The utility model further improves that the breathing cavity shell is provided with a positioning hole, and the hollow bolt is connected in the positioning hole in a threaded manner. The hollow bolt is in threaded connection on the breathing cavity shell, so that the connection strength of the hollow bolt on the breathing cavity shell is improved, and the sealing effect is improved.
The utility model further improves that the front cavity is also provided with a breathing hole, and a blocking piece is arranged in the breathing hole. Because the breathing port is reserved on the traditional brake air chamber, the breathing port is plugged through the plugging piece, and the full utilization of the existing components is realized.
The utility model further improves that the front cavity is also internally provided with a brake caliper body cavity, a piston penetrates through the brake caliper body cavity, one end of the piston extends to the outside of the brake air chamber, and the other end of the piston is connected with the diaphragm. The air pressure is pressed into the working cavity by the reciprocating motion of the piston.
The utility model further improves that the inner cavity of the brake caliper body is a compression sleeve which is arranged on the support in a sealing way. The air pressure tightness of the brake air chamber is improved through the compression sleeve.
The utility model further improves that the compression sleeve is also provided with a compression spring. The compression spring assists in elevating the entry of air pressure into the working chamber.
From the technical scheme, the beneficial effects of the utility model are as follows: the diaphragm realizes the compression effect on air pressure, so that the air pressure acts in the working cavity; through the vent line that can extend to the surface of the water top, avoid having water to enter into inside the brake chamber to lead to because the inside atmospheric pressure rate of change of brake chamber is fast, the waterproof purpose of diaphragm unable fast response that leads to, utilize the filter screen to avoid solid impurity to enter into inside the brake chamber, and cause and produce impact abrasion to the brake chamber including the diaphragm.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
FIG. 2 is a schematic illustration of a brake chamber in communication with a pipeline in accordance with an embodiment of the present utility model.
In the accompanying drawings: 1. front cavity, 2, working cavity, 3, diaphragm, 4, brake caliper body inner cavity, 41, compression sleeve, 42, compression spring, 5, piston, 6, breathing port, 61, plugging piece, 7, breathing cavity shell, 71, locating hole, 8, retaining piece, 81, hollow bolt, 82, hollow nut, 83, sealing ring, 9, vent line, 91, three-way connection, 92, main air pipe, 93, filter screen.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
As shown in fig. 1-2, the wading brake chamber comprises a brake chamber, wherein the brake chamber is provided with a diaphragm 3, and the diaphragm 3 divides the brake chamber into a front cavity 1 and a working cavity 2; the diaphragm 3 achieves a compression effect on the air pressure so that the air pressure acts in the working chamber 2.
The front cavity 1 is also provided with a breathing port 6, and a plugging piece 61 is arranged in the breathing port 6. Because the breathing port 6 is reserved on the traditional brake air chamber, the breathing port 6 is plugged through the plugging piece 61, so that the full utilization of the existing components is realized.
The front cavity 1 is also internally provided with a brake caliper inner cavity 4, a piston 5 penetrates through the brake caliper inner cavity, one end of the piston 5 extends to the outside of the brake air chamber, and the other end of the piston 5 is connected with the diaphragm 3. The air pressure is pressed into the working chamber 2 by the reciprocating motion of the piston 5. The inner cavity 4 of the brake caliper body is a compression sleeve 41 which is arranged on the support in a sealing way. The air pressure tightness of the brake chamber is improved by the compression sleeve 41. The compression sleeve 41 is also provided with a compression spring 42. Compression spring 42 assists in elevating the entry of air pressure into working chamber 2.
The outside of the brake chamber is provided with a breathing cavity shell 7, and the breathing cavity shell 7 is communicated with the front cavity 1 and the ventilation pipeline 9 through a locking piece 8. The outside of the brake air chamber is protected by the breathing chamber housing 7, and the front chamber 1 is communicated with the air supply pipeline 9 through the locking piece 8. The breathing cavity shell 7 is provided with a positioning hole 71, the locking piece 8 comprises a hollow bolt 81 which is connected in the positioning hole 71 in a threaded manner and extends into the ventilation pipeline 9, the hollow bolt 81 is connected with the breathing cavity shell 7 in a threaded manner, the connection strength of the hollow bolt 81 to the breathing cavity shell 7 is improved, and therefore the sealing effect is improved. The hollow bolt 81 is connected with a hollow nut 82 which can press the ventilation pipeline 9 on the hollow bolt 81 in a threaded manner. The hollow nut 82 compresses and fixes the vent pipeline 9 sleeved on the hollow bolt 81, so that the release is avoided. A sealing ring 83 is arranged between the hollow nut 82 and the ventilation pipeline 9. The sealing ring 83 helps to promote sealing effect and prevent leakage of air source or infiltration of water source.
The front cavity 1 is communicated with a ventilation pipeline 9 extending to the upper part of the water surface, and a filter screen 93 is arranged at one end, far away from the brake air chamber, of the ventilation pipeline 9. Through the vent line 9 that can extend to the surface of the water top, avoid having water to enter into the brake chamber inside to lead to because the inside atmospheric pressure rate of change of brake chamber is fast, the waterproof purpose of diaphragm 3 unable fast response that leads to, utilize filter screen 93 to avoid solid impurity to enter into the brake chamber inside, and cause the brake chamber including diaphragm 3 to produce impact wear.
The two ventilation pipelines 9 are arranged, one ends of the two ventilation pipelines 9, which are far away from the brake chamber, are connected with a main air pipe 92 through a three-way joint 91, and the filter screen 93 is arranged at one end, which is far away from the three-way joint 91, of the main air pipe 92. The two ventilation pipelines 9 are helpful for improving the smoothness of the communication between the brake air chamber and an external air source, and the normal use of the air source is ensured.
According to the wading brake chamber, the diaphragm realizes the compression effect on air pressure, so that the air pressure acts in the working cavity; through the vent line that can extend to the surface of the water top, avoid having water to enter into inside the brake chamber to lead to because the inside atmospheric pressure rate of change of brake chamber is fast, the waterproof purpose of diaphragm unable fast response that leads to, utilize the filter screen to avoid solid impurity to enter into inside the brake chamber, and cause and produce impact abrasion to the brake chamber including the diaphragm.
In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments are only required to be referred to each other.
The terms "upper", "lower", "outside", "inside", and the like in the description and in the claims of the present utility model and in the above drawings, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The wading brake chamber comprises a brake chamber and is characterized in that the brake chamber is provided with a diaphragm (3), and the diaphragm (3) divides the brake chamber into a front cavity (1) and a working cavity (2); the front cavity (1) is communicated with a ventilation pipeline (9) extending to the upper part of the water surface, and a filter screen (93) is arranged at one end of the ventilation pipeline (9) far away from the brake air chamber.
2. The brake chamber for wading according to claim 1, wherein two ventilation pipelines (9) are provided, one end of the two ventilation pipelines (9) away from the brake chamber is connected with a main air pipe (92) through a three-way joint (91), and a filter screen (93) is arranged at one end of the main air pipe (92) away from the three-way joint (91).
3. A wading brake chamber according to claim 1 or 2, characterized in that the outside of the brake chamber is provided with a breathing chamber housing (7), and the breathing chamber housing (7) is connected to the front chamber (1) and the ventilation line (9) by means of a locking member (8).
4. A wading brake chamber according to claim 3, characterized in that the locking member (8) comprises a hollow bolt (81) arranged on the breathing chamber housing (7) and extending into the ventilation line (9), and that a hollow nut (82) which is screwed onto the hollow bolt (81) and is capable of pressing the ventilation line (9) onto the hollow bolt (81).
5. A wading brake chamber according to claim 4, characterized in that a sealing ring (83) is arranged between the hollow nut (82) and the venting line (9).
6. A wading brake chamber according to claim 3, characterized in that the breathing chamber housing (7) is provided with a positioning hole (71), and that the hollow bolt (81) is screwed into the positioning hole (71).
7. A wading brake chamber according to claim 1 or 2, characterized in that the front chamber (1) is further provided with a breathing opening (6), and that a blocking piece (61) is arranged in the breathing opening (6).
8. A wading brake chamber according to claim 1 or 2, characterized in that the front chamber (1) is also provided with a brake caliper body inner chamber (4), a piston (5) is penetrated in the brake caliper body inner chamber, one end of the piston (5) extends to the outside of the brake chamber, and the other end is connected with the diaphragm (3).
9. A wading brake chamber according to claim 8, characterized in that the inner chamber (4) of the brake caliper body is a compression sleeve (41) which is arranged on the carrier in a sealing manner.
10. A wading brake chamber according to claim 9, characterized in that the compression sleeve (41) is further provided with a compression spring (42).
CN202322255328.5U 2023-08-21 2023-08-21 Brake chamber for wading Active CN220488162U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322255328.5U CN220488162U (en) 2023-08-21 2023-08-21 Brake chamber for wading

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322255328.5U CN220488162U (en) 2023-08-21 2023-08-21 Brake chamber for wading

Publications (1)

Publication Number Publication Date
CN220488162U true CN220488162U (en) 2024-02-13

Family

ID=89840607

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322255328.5U Active CN220488162U (en) 2023-08-21 2023-08-21 Brake chamber for wading

Country Status (1)

Country Link
CN (1) CN220488162U (en)

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