Brake oil pot

Abstract

A brake oil pot comprises a liquid level sensor and a pot body formed by an upper shell and a lower shell in a butt joint mode, a plurality of oil chambers separated by partition plates are arranged in the pot body, an oil way connecting nozzle is arranged on the pot body, the lowest liquid level marking line of the oil pot is located on the upper middle portion of the outer side face of the lower shell, and a vertical containing through groove is formed in the oil pot. A floater of the liquid level sensor is positioned in the accommodating through groove and is movably matched with the accommodating through groove up and down; a first sinking groove is formed in the middle of the side face of the lower shell, the bottom of the first sinking groove extends into the containing through groove, a probe of the liquid level sensor is arranged in the first sinking groove in a penetrating mode and fixedly arranged in the first sinking groove, and the probe is located below the floater. The lowest liquid level marking line and the highest liquid level marking line are both arranged on the upper portion of the oil pot, the depth of the oil pot can be increased under the condition that the horizontal size is not changed, and therefore the volume of each oil chamber is increased, and the oil liquid requirement of a brake oil way is met. The installation position of the probe is adjusted to ensure the sensitivity of the liquid level sensor.

Description

Technical Field

[0001] The utility model relates to an electronic hydraulic brake system, in particular to a brake oil pot. Background Art

[0002] The brake system includes a brake oil pot, EHB and brake master cylinder. The brake oil pot needs to be equipped with an inlet and a return joint connected to the EHB and two oil supply nozzles connected to the front and rear chambers of the brake master cylinder, so as to realize the replenishment of the EHB and the brake master cylinder. In order to prevent the oil from shaking during driving and causing untimely oil replenishment, a partition is provided in the brake oil pot to prevent the oil from shaking. At the same time, the brake oil pot can also be divided into multiple interconnected oil chambers by the partition. Since the installation space in the cabin is limited and the oil pot is mostly a square structure, the volume of the oil chamber will be reduced, which will affect the replenishment function of the brake oil pot. Utility Model Content

[0003] In view of the problems in the prior art, the utility model provides a brake oil pot, the purpose of which is to increase the volume of each oil cavity in the oil pot and ensure the sensitivity of the liquid level sensor.

[0004] A brake oil pot comprises a liquid level sensor and a pot body formed by docking an upper shell and a lower shell, wherein a plurality of oil chambers separated by partitions are arranged in the pot body, and an oil circuit nozzle is arranged on the pot body, and the oil circuit nozzles are respectively connected with the corresponding oil chambers; the lowest liquid level mark line of the oil pot is located in the middle and upper part of the outer side surface of the lower shell, a vertical accommodating groove is arranged in the oil pot, and a float of the liquid level sensor is located in the accommodating groove and cooperates with the accommodating groove up and down; a first sink groove is arranged in the middle part of the side surface of the lower shell, and the bottom of the first sink groove extends into the accommodating groove, a probe of the liquid level sensor is penetrated and fixedly arranged in the first sink groove, and the probe is located below the float.

[0005] Further: the inner end of the probe is integrally provided with a card block, and a second groove is provided on the bottom surface of the lower shell body at a position corresponding to the bottom of the first groove, the bottom of the second groove is connected to the bottom of the first groove, and the side wall of the bottom of the second groove forms a card platform for clamping the card block at the bottom of the first groove; after the probe is inserted into the bottom of the first groove, the card block pops into the second groove and is clamped on the card platform.

[0006] Further, the liquid level sensor is provided with a quick-insertion connector, and the quick-insertion connector is fixedly connected to the top surface of the oil pot.

[0007] Furthermore, the upper shell is a cubic structure, the left side surface of the lower shell is provided with a plurality of inner arc surfaces from top to bottom, and the lower side edge of the left side surface of the lower shell corresponds to the middle part of the upper shell from top to bottom.

[0008] Furthermore, the lowest liquid level mark line and the highest liquid level mark line are both located on the left side surface of the lower shell.

[0009] Further: the two oil circuit nozzles used to communicate with the front and rear cavities of the brake master cylinder respectively are located in the middle of the lower shell and below the height of the lowest liquid level mark line; the two oil supply nozzles used to connect to the EHB oil inlet pipeline and oil return pipeline respectively are located on the bottom surface of the lower shell.

[0010] Further: the two oil circuit nozzles connected to the front and rear chambers of the brake master cylinder are recorded as the first oil circuit nozzles, the oil chamber connected to the first oil circuit nozzle is recorded as the first oil chamber, a first through hole is arranged on the partition between the first oil chamber and other oil chambers, the bottom edge of the first through hole is higher than the lowest position of the float and lower than the lowest liquid level mark line, and the accommodating groove is connected to the first oil chamber; a second through hole is arranged on the partition between the other oil chambers, and the bottom edge of the second through hole is lower than the lowest position of the float; the two oil supply nozzles connected to the EHB oil inlet pipeline and the oil return pipeline are recorded as the second oil circuit nozzles, and the second oil circuit nozzles are respectively connected to the corresponding oil chambers of other oil chambers.

[0011] The beneficial effects of the utility model are as follows: the lowest liquid level mark line and the highest liquid level mark line are both set at the upper part of the oil pot, and the depth of the oil pot can be increased while the horizontal size remains unchanged, thereby increasing the volume of each oil chamber, thereby meeting the oil demand of the brake oil circuit; at the same time, the probe is set in the middle of the oil pot and close to the lowest liquid level mark line through the first sink, thereby ensuring the sensitivity of the liquid level sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a vertical cross-sectional view of the utility model;

[0014] Figure 3 It is a transverse cross-sectional view of the utility model. DETAILED DESCRIPTION

[0015] The utility model is described in detail below in conjunction with the accompanying drawings. The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the utility model, and cannot be interpreted as limiting the utility model. The directional terms such as left, middle, right, top, and bottom in the embodiments of the utility model are only relative concepts or are based on the normal use state of the product, and should not be considered as restrictive.

[0016] A brake oil tank, such as Figure 1 and Figure 2 As shown, it includes a liquid level sensor and a kettle body formed by connecting an upper shell 1 and a lower shell 2. In order to adapt to the space in the cabin, the upper shell 1 is a square structure, and the left side of the lower shell 2 is sequentially provided with a plurality of inner arc surfaces 23 from top to bottom, and the lower side of the left side of the lower shell 2 corresponds to the middle of the upper shell 1 up and down; a plurality of oil chambers separated by a partition 28 are provided in the kettle body, and an oil circuit nozzle is provided on the kettle body, and the oil circuit nozzles are respectively connected to the corresponding oil chambers; the lowest liquid level mark line of the oil pot 22 is located at the middle and upper part of the outer side of the lower shell 2. A vertical accommodating groove 27 is provided in the oil pot. The upper end of the accommodating groove 27 is higher than the highest liquid level mark line 21, and the lower end of the accommodating groove 27 is lower than the lowest liquid level mark line 22. The float 53 of the liquid level sensor is located in the accommodating groove 27 and cooperates with the upper and lower liquid level mark line 22. The highest liquid level mark line 21 of the oil pot is located at the top of the outer side of the lower shell 2. When the brake oil pot is installed in the engine compartment, when standing in front of the front of the vehicle and looking at the brake oil pot, the lowest liquid level mark line 22 is The line 22 and the highest liquid level mark line 21 are both located on the left side surface of the lower shell 2; due to the increase in the depth of the oil pot, when the float 53 of the liquid level sensor is located between the lowest liquid level mark line 22 and the highest liquid level mark line 21, if the probe 51 of the liquid level sensor is also set at the bottom of the lower shell 2, the float 53 and the probe 51 will be far apart, resulting in reduced sensitivity of the liquid level sensor; to ensure the sensitivity of the liquid level sensor, a first sink 25 is provided in the middle of the front side of the lower shell 2, the bottom of the first sink 25 extends into the accommodating groove 27, the probe 51 of the liquid level sensor is penetrated in the first sink 25 and fixedly set in the first sink 25, the probe 51 is located below the float 53, to facilitate the connection of the liquid level sensor, the liquid level sensor is provided with a quick-connect connector 52, the quick-connect connector 52 is fixedly connected to the top surface of the oil pot; the probe 51 is set in the middle of the oil pot and close to the lowest liquid level mark line 22 through the first sink 25, thereby ensuring the sensitivity of the liquid level sensor.

[0017] Among them, in order to facilitate the clamping of the probe in the first groove 25, a clamping block 511 is integrally provided at the inner end of the probe 51, and a second groove 24 is provided on the bottom surface of the lower shell 2 at a position corresponding to the bottom of the first groove 25. The bottom of the second groove 24 is connected to the bottom of the first groove 25, and the side wall of the bottom of the second groove 24 forms a clamping platform 26 for clamping the clamping block 511 at the bottom of the first groove 25; after the probe 51 is inserted into the bottom of the first groove 25, the clamping block 511 bounces into the second groove 24 and is clamped on the clamping platform 26. The two oil circuit nozzles for communicating with the front and rear chambers of the brake master cylinder, respectively, are both located in the middle of the lower shell 2 and are lower than the height of the lowest liquid level mark 22; the two oil supply nozzles for connecting to the EHB oil inlet pipeline and the oil return pipeline, respectively, are located on the bottom surface of the lower shell 2; to ensure the normal outward oil supply of the oil circuit nozzles; combined with Figure 3As shown, the two oil circuit nozzles connected to the front and rear chambers of the brake master cylinder are marked as the first oil circuit nozzle 42, and the oil chamber connected to the first oil circuit nozzle 42 is marked as the first oil chamber 6. The partition 28 between the first oil chamber 6 and other oil chambers is provided with a first through hole 281 for connecting adjacent oil chambers. The bottom edge of the first through hole 281 is higher than the lowest position of the float 53 and lower than the lowest liquid level mark line 22, and the accommodating groove 27 is connected to the first oil chamber 6; the partition 28 between the other oil chambers is provided with a second through hole 282 for connecting adjacent oil chambers, and the bottom edge of the second through hole 282 is lower than the lowest position of the float 53; the two oil supply nozzles connected to the EHB oil inlet pipeline and the oil return pipeline are marked as the second oil circuit nozzle 41, and the second oil circuit nozzle 41 is respectively connected to the corresponding oil chambers of other oil chambers.

[0018] When in use, hydraulic oil is added into the oil pot, and the liquid level of the hydraulic oil is located above the lowest liquid level mark line 22 and below the highest liquid level mark line 21. At the same time, the hydraulic oil flows into each oil chamber and the accommodating groove 27, and the float 53 floats to the upper part of the accommodating groove 27 under the action of the hydraulic oil; the probe 51 monitors the height of the float 53 and outputs the height signal of the float 53.

[0019] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A brake oil pot, characterized in that: It includes a liquid level sensor and a pot body formed by docking an upper shell and a lower shell, wherein a plurality of oil chambers separated by partitions are arranged in the pot body, and an oil circuit nozzle is arranged on the pot body, and the oil circuit nozzles are respectively connected with the corresponding oil chambers; the lowest liquid level mark line of the oil pot is located in the middle and upper part of the outer side surface of the lower shell, a vertical accommodating groove is arranged in the oil pot, and the float of the liquid level sensor is located in the accommodating groove and cooperates with the accommodating groove up and down; a first sink groove is arranged in the middle part of the side surface of the lower shell, and the bottom of the first sink groove extends into the accommodating groove, and the probe of the liquid level sensor is penetrated and fixedly arranged in the first sink groove, and the probe is located below the float.

2. The brake oil pot according to claim 1, characterized in that: The inner end of the probe is integrated with a card block, and a second groove is arranged on the bottom surface of the lower shell body at a position corresponding to the bottom of the first groove. The bottom of the second groove is connected to the bottom of the first groove, and the side wall of the bottom of the second groove forms a card platform for clamping the card block at the bottom of the first groove; after the probe is inserted into the bottom of the first groove, the card block pops into the second groove and is clamped on the card platform.

3. The brake oil pot according to claim 1, characterized in that: The liquid level sensor is provided with a quick-insertion connector, which is fixedly connected to the top surface of the oil pot.

4. The brake oil pot according to claim 1, characterized in that: The upper shell is a cubic structure, and the left side surface of the lower shell is provided with a plurality of inner arc surfaces in sequence from top to bottom, and the lower side edge of the left side surface of the lower shell corresponds to the middle part of the upper shell up and down.

5. The brake oil pot according to claim 1 or 4, characterized in that: The minimum liquid level mark line and the maximum liquid level mark line are both located on the left side surface of the lower housing.

6. The brake oil pot according to claim 1, characterized in that: The two oil circuit nozzles used to communicate with the front and rear cavities of the brake master cylinder respectively are located in the middle of the lower shell and below the height of the lowest liquid level mark line; the two oil supply nozzles used to connect to the EHB oil inlet pipeline and oil return pipeline respectively are located on the bottom surface of the lower shell.

7. The brake oil pot according to claim 6, characterized in that: The two oil circuit nozzles connected to the front and rear chambers of the brake master cylinder are recorded as the first oil circuit nozzles, and the oil chamber connected to the first oil circuit nozzle is recorded as the first oil chamber. A first through hole is arranged on the partition between the first oil chamber and other oil chambers. The bottom edge of the first through hole is higher than the lowest position of the float and lower than the lowest liquid level mark line, and the accommodating groove is connected to the first oil chamber; a second through hole is arranged on the partition between other oil chambers, and the bottom edge of the second through hole is lower than the lowest position of the float; the two oil supply nozzles connected to the EHB oil inlet pipeline and the oil return pipeline are recorded as the second oil circuit nozzles, and the second oil circuit nozzles are respectively connected to the corresponding oil chambers of other oil chambers.

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