Novel engine exhaust brake butterfly valve

Abstract

The utility model relates to the technical field of engine exhaust braking, and discloses a novel engine exhaust braking butterfly valve which comprises a fixing table, an installation plate is fixedly installed on the left side of the fixing table, a valve pipe is fixedly installed on the right side of the bottom of the fixing table, and an airflow sensor is fixedly installed on the left side of the valve pipe. The raft plate is controlled to rotate through operation of the electric push rod to close the valve pipe, and when the valve pipe is not completely sealed by the raft plate through detection of the airflow sensor on airflow, the power supply controller provides power for the air pump through the two groups of contact pairs, air is pumped into the air bag, the valve pipe is further sealed by the air bag, and the valve pipe is sealed by the air bag. Compared with a traditional device, the device can control the operation time of the air pump, when the air bag completely seals the valve pipe, the air pump stops operating, when the air pump stops supplying air, the air inlet pipe can be plugged by the plug, air in the air bag is prevented from escaping, energy is saved, and the sealing performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engine exhaust brake, more specifically, the utility model relates to a novel engine exhaust brake butterfly valve. BACKGROUND

[0002] Engine exhaust brake is a kind of vehicle auxiliary brake mode, by setting adjusting valve on engine exhaust pipe, utilize the pressure of closing exhaust passage to increase exhaust stroke, make engine piston receive the counter pressure of gas in exhaust stroke, to prevent the operation of engine and produce brake effect, reach the purpose of controlling speed.

[0003] The current exhaust brake butterfly valve, for example, Chinese patent application number: CN202122878380.7 "a kind of exhaust brake butterfly valve for automobile engine", the device is sent to air tube 9 to air is transported to the inside of air bag 8, make air bag 8 expand, in turn let air bag 8 can better contact with butterfly valve main body 1 inner wall, improve the compactness and air tightness of overall structure, and solve the problem that sealing washer seals, long time use, sealing washer appears abrasion.

[0004] However, in actual use, the expansion and contraction of air bag depend on the air supply and pressure of fan, if the performance of fan is unstable or control is improper, it can affect the reliability of sealing, more importantly, fan needs to run continuously to maintain the expansion state of air bag, this will increase energy consumption, therefore, it needs to be improved and optimized UTILITY MODEL CONTENT

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a novel engine exhaust brake butterfly valve, which has the advantages of saving energy.

[0006] To achieve the above object, the utility model provides the following technical scheme: a novel engine exhaust brake butterfly valve, including fixed platform, the left side of fixed platform is fixedly installed with mounting plate, the bottom right side of fixed platform is fixedly installed with valve pipe, the left side of valve pipe is fixedly installed with airflow sensor;

[0007] The inside of the valve pipe is rotatably installed with an air pipe, the bottom of the air pipe is fixedly installed with a raft, the front and rear sides of the outer wall of the raft are both fixedly installed with air bags, the air pipe and the air bags are communicated with each other, the top of the air pipe is fixedly installed with an air inlet pipe, the air inlet pipe is rotatably installed in the inside of a fixed table, the top of the air inlet pipe is fixedly installed with an electric actuator, the top of the electric actuator is fixedly installed with a control rod, the outer wall of the air inlet pipe is fixedly installed with an extension plate, the top of the extension plate is fixedly installed with an air pump, the air pump and the air inlet pipe are communicated with each other, the inner wall of the extension plate is fixedly installed with a motor, the output shaft of the motor is fixedly connected with the air pump, the top of the fixed table is fixedly installed with a fixed plate, the top of the fixed plate is fixedly installed with a power controller, the side wall of the power controller is provided with a contact pair one.

[0008] As a preferred technical scheme of the utility model, the inside of the air inlet pipe is fixedly installed with a fixed rod, the top of the fixed rod movably sleeves with a plug, the plug and the fixed rod are elastically connected through a spring, the top of the plug blocks the sealing opening.

[0009] As a preferred technical scheme of the utility model, the bottom of the electric actuator is provided with an execution rod, and the execution rod is located in the inside of the air inlet pipe.

[0010] As a preferred technical scheme of the utility model, the outer wall of the extension plate is fixedly installed with a contact pair two, and the outer wall of the power controller is provided with a contact pair one corresponding to the contact pair two.

[0011] As a preferred technical scheme of the utility model, the contact pair one and the power controller are electrically connected, the power controller and the airflow sensor are electrically connected, and the contact pair two and the motor are electrically connected.

[0012] As a preferred technical scheme of the utility model, the model of the electric actuator is RC-10 actuator, and the airflow sensor adopts MAF type sensor.

[0013] As a preferred technical scheme of the utility model, the right side of the mounting plate is rotatably installed with an electric push rod, and the telescopic end of the electric push rod is rotatably connected with the control rod.

[0014] Compared with the prior art, the utility model has the advantages of the following:

[0015] 1. The utility model discloses a valve pipe is closed to the raft rotation through the operation control of electric push rod, and through the detection of air flow to the air flow sensor, makes the raft in not completely sealed valve pipe, and power supply controller provides power for the air pump through two groups of contact pairs when the raft is not completely sealed valve pipe, and the gas is hit into the inside of the air intake bag, and further makes the air bag seal valve pipe, compared with traditional device, the device can control the operation time of air pump, makes the air pump stop running when the air bag completely seals valve pipe, and when the air pump stops gas supply, the air inlet pipe is blocked by the plug, avoids the gas dissipation in the air bag, saves the energy, improves the sealing performance.

[0016] 2. The utility model discloses through the setting of two groups of contact pairs, makes the raft when closing valve pipe, contact pair two automatic and contact pair one butt joint, provides the convenience for the inflation operation of air bag, through the setting of electric actuator, makes the staff can scatter the gas in the air bag when needing to open the raft, avoids the abrasion caused by the extrusion and friction of air bag and valve pipe inner wall, effectively improves the sealing performance of the device and the service life of air bag. DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of the utility model;

[0018] Figure 2 It is the structure schematic drawing of the utility model air flow sensor;

[0019] Figure 3 It is the structure schematic drawing of the utility model raft;

[0020] Figure 4 It is the structure schematic drawing of the utility model vent pipe;

[0021] Figure 5 It is the structure schematic drawing of the utility model plug;

[0022] Figure 6 It is the structure schematic drawing of the utility model control rod.

[0023] In the drawing: 1, fixed platform, 2, mounting plate, 3, valve pipe, 4, air flow sensor, 5, electric push rod, 6, raft, 7, air bag, 8, vent pipe, 9, air inlet pipe, 10, fixed rod, 11, plug, 12, spring, 13, electric actuator, 14, execution rod, 15, control rod, 16, fixed plate, 17, power supply controller, 18, contact pair one, 19, extension plate, 20, air pump, 21, motor, 22, contact pair two, 23, sealing mouth. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] As shown in Figures 1 to 6 The utility model provides a novel engine exhaust brake butterfly valve, including fixed platform 1, the left side fixed mounting of fixed platform 1 has mounting plate 2, the bottom right side fixed mounting of fixed platform 1 has valve pipe 3, the left side fixed mounting of valve pipe 3 has airflow sensor 4;

[0026] The inside rotation of valve pipe 3 is installed with vent pipe 8, the bottom fixed mounting of vent pipe 8 has raft 6, the front and rear sides of raft 6 outer wall are all fixedly installed with air bag 7, and vent pipe 8 and air bag 7 are communicated, the top fixed mounting of vent pipe 8 has inlet pipe 9, and inlet pipe 9 is rotationally installed in the inside of fixed platform 1, and the top fixed mounting of inlet pipe 9 has electric actuator 13, and the top fixed mounting of electric actuator 13 has control rod 15, and the outer wall fixed mounting of inlet pipe 9 has extension plate 19, and the top fixed mounting of extension plate 19 has air pump 20, and air pump 20 and inlet pipe 9 are communicated, and the inner wall fixed mounting of extension plate 19 has motor 21, and the output shaft of motor 21 is fixedly connected with air pump 20, and the top fixed mounting of fixed platform 1 has fixed plate 16, and the top fixed mounting of fixed plate 16 has power controller 17, and the side wall of power controller 17 is provided with contact pair 18.

[0027] After the user completes the installation of the device, the air flow of the exhaust pipe will flow through the valve pipe 3 and the air flow sensor 4. When the valve needs to be closed, the staff starts the electric push rod 5, and the telescopic end of the electric push rod 5 is displaced to the right. Further, the telescopic end of the electric push rod 5 is fixedly connected with the control rod 15, so that the electric push rod 5 drives the electric actuator 13 to rotate through the control rod 15. Further, when the electric actuator 13 rotates, the electric actuator 13 drives the air inlet pipe 9 and the air pipe 8 to rotate, so that the raft 6 is closed in the valve pipe 3. When the raft 6 rotates by 90 degrees, the valve pipe 3 is completely closed. Further, the air inlet pipe 9 is fixedly connected with the extension plate 19, so that the air inlet pipe 9 is aligned with the contact pair two 22 and the contact pair one 18 after rotating by 90 degrees, and the contact pair two 22 and the contact pair one 18 are in close contact with each other. At this time, under the closed state of the valve pipe 3, the air flow sensor 4 detects the air flow. When the air flow sensor 4 detects the air flow, it indicates that the sealing performance of the raft 6 is insufficient. Therefore, the air flow sensor 4 transmits the model to the power supply controller 17, so that the power supply controller 17 supplies power to the contact pair one 18. Further, since the contact pair one 18 and the contact pair two 22 are in close contact with each other, the motor 21 is powered and starts to operate. The air pump 20 sends the air outside to the inside of the air inlet pipe 9. At this time, the air pressure in the air inlet pipe 9 increases, so that the air flow pushes the plug 11 downward, so that the air flow smoothly passes through the air inlet pipe 9 and the air pipe 8 and enters the inside of the air bag 7. With the inflow of the air flow, the air bag 7 expands to seal the valve pipe 3. After the air flow sensor 4 detects that there is no air flow, the power supply controller 17 stops supplying power. Further, the air pump 20 stops operating, and the plug 11 is reset upward by the elastic potential of the spring 12 to block the sealing port 23 to prevent the gas in the air bag 7 from leaking.

[0028] The raft 6 is controlled to rotate by the operation of the electric push rod 5 to close the valve pipe 3. Through the detection of the air flow by the air flow sensor 4, when the raft 6 does not completely seal the valve pipe 3, the power supply controller 17 provides power to the air pump 20 through the two groups of contact pairs to make the gas enter the inside of the air inlet bag 7. Further, the air bag 7 seals the valve pipe 3. Compared with the traditional device, the device can control the operation time of the air pump 20, so that the air pump 20 stops operating when the air bag 7 completely seals the valve pipe 3. When the air pump 20 stops supplying air, the air inlet pipe 9 is blocked by the plug 11 to avoid the gas in the air bag 7 from escaping, thereby saving energy and improving the sealing performance.

[0029] The fixed rod 10 is fixedly installed in the inside of the air inlet pipe 9. The plug 11 is movably sleeved at the top of the fixed rod 10. The plug 11 and the fixed rod 10 are elastically connected through the spring 12. The plug 11 blocks the sealing port 23 at the top.

[0030] When the valve pipe 3 needs to be opened, because the air bag 7 and the inner wall of the valve pipe 3 abut against each other to seal, directly controlling the raft 6 to open by the electric push rod 5 can cause the air bag 7 to be abraded, therefore, the staff can control the execution rod 14 to move downward by the electric actuator 13, and press the spring 12 downward, further, because the air pressure inside the air bag 7 is large, part of the airflow will escape, at this time, the staff can open the raft 6 by the electric push rod 5 to complete the work.

[0031] By the setting of the two groups of contact pairs, when the valve pipe 3 is closed, the contact pair two 22 is automatically docked with the contact pair one 18, which provides convenience for the inflation operation of the air bag 7, and by the setting of the electric actuator 13, the staff can dissipate the gas inside the air bag 7 when the raft 6 needs to be opened, which avoids the abrasion caused by the extrusion and friction between the air bag 7 and the inner wall of the valve pipe 3, and effectively improves the sealing performance of the device and the service life of the air bag 7.

[0032] The bottom of the electric actuator 13 is provided with the execution rod 14, and the execution rod 14 is located inside the air inlet pipe 9.

[0033] The outer wall of the extension plate 19 is fixedly provided with the contact pair two 22, and the outer wall of the power supply controller 17 is provided with the contact pair one 18 corresponding to the contact pair two 22.

[0034] When the raft 6 rotates by ninety degrees, the valve pipe 3 is completely closed, and because the extension plate 19 and the air inlet pipe 9 are fixedly connected, the air inlet pipe 9 is aligned with the contact pair two 22 and the contact pair one 18 after rotating by ninety degrees, and the contact pair two 22 and the contact pair one 18 are in close contact with each other.

[0035] The contact pair one 18 is electrically connected with the power supply controller 17, the power supply controller 17 is electrically connected with the airflow sensor 4, and the contact pair two 22 is electrically connected with the motor 21.

[0036] The model of the electric actuator 13 is RC-10 actuator, and the airflow sensor 4 is MAF sensor.

[0037] It is worth noting that the airflow sensor 4 and the electric actuator 13 are both common prior art, the airflow sensor 4 and the MAF sensor are a kind of sensor for measuring the air flow in the air inlet system of the engine of the automobile, and the electric actuator 13 converts the rotary motion of the motor into the linear motion required by the execution rod 14 based on the principle of the motor.

[0038] The right side of the mounting plate 2 is rotatably provided with the electric push rod 5, and the telescopic end of the electric push rod 5 is rotatably connected with the control rod 15.

[0039] Because the electric push rod 5 and the control rod 15 are rotatably connected, the staff can control the rotation of the electric actuator 13 by the electric push rod 5.

[0040] The working principle and use process of the utility model:

[0041] After the user completes the installation of the device, the air flow of the exhaust pipe will flow through the valve pipe 3 and the air flow sensor 4, and when it is necessary to close the valve, the staff starts the electric push rod 5, and the telescopic end of the electric push rod 5 is displaced to the right, and further, the telescopic end of the electric push rod 5 and the control rod 15 are fixedly connected, so that the electric push rod 5 drives the electric actuator 13 to rotate through the control rod 15, and further, when the electric actuator 13 rotates, the electric actuator 13 drives the air inlet pipe 9 and the air pipe 8 to rotate, so that the raft 6 is closed in the valve pipe 3, and when the raft 6 rotates by ninety degrees, the valve pipe 3 is completely closed, and because the extension plate 19 and the air inlet pipe 9 are fixedly connected, the air inlet pipe 9 is aligned with the contact pair two 22 and the contact pair one 18 after rotating by ninety degrees, and is in close contact with each other, at this time, under the closed state of the valve pipe 3, the air flow sensor 4 detects the air flow, and when the air flow sensor 4 detects the air flow, it indicates that the sealing performance of the raft 6 is insufficient, so the air flow sensor 4 transmits the model to the power supply controller 17, so that the power supply controller 17 supplies power to the contact pair one 18, and further, because the contact pair one 18 and the contact pair two 22 are in close contact with each other, the motor 21 is powered and starts to operate, and the air pump 20 sends the air outside to the inside of the air inlet pipe 9, at this time, the air pressure in the air inlet pipe 9 increases, so that the air flow pushes the plug 11 downward, so that the air flow smoothly passes through the air inlet pipe 9 and the air pipe 8, and enters the inside of the air bag 7, with the air flow entering, the air bag 7 expands to seal the valve pipe 3, after the air flow sensor 4 detects that there is no air flow, the power supply controller 17 stops power supply, and further, the air pump 20 stops running, and the plug 11 is reset upward by the elastic potential of the spring 12 to seal the sealing port 23, preventing the gas in the air bag 7 from leaking.

[0042] When it is necessary to open the valve pipe 3, because the air bag 7 and the inner wall of the valve pipe 3 are in close contact with each other, directly controlling the raft 6 to open through the electric push rod 5 will cause the air bag 7 to be worn, therefore, the staff can control the execution rod 14 to move downward through the electric actuator 13 to press the spring 12 downward, and further, because the air pressure in the air bag 7 is large, part of the air flow will escape, at this time, the staff can complete the work by opening the raft 6 through the electric push rod 5.

[0043] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0044] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A novel engine exhaust brake butterfly valve, comprising a fixed base (1), characterized in that: A mounting plate (2) is fixedly installed on the left side of the fixed platform (1), a valve pipe (3) is fixedly installed on the bottom right side of the fixed platform (1), and an airflow sensor (4) is fixedly installed on the left side of the valve pipe (3). A vent pipe (8) is rotatably installed inside the valve pipe (3). A raft plate (6) is fixedly installed at the bottom of the vent pipe (8). Airbags (7) are fixedly installed on both the front and rear sides of the outer wall of the raft plate (6). The vent pipe (8) and the airbags (7) are interconnected. An air inlet pipe (9) is fixedly installed at the top of the vent pipe (8). The air inlet pipe (9) is rotatably installed inside the fixed platform (1). An electric actuator (13) is fixedly installed at the top of the air inlet pipe (9). A control rod (15) is fixedly installed at the top of the electric actuator (13). An extension plate (19) is fixedly installed on the outer wall of the air intake pipe (9). An air pump (20) is fixedly installed on the top of the extension plate (19). The air pump (20) and the air intake pipe (9) are interconnected. A motor (21) is fixedly installed on the inner wall of the extension plate (19). The output shaft of the motor (21) is fixedly connected to the air pump (20). A fixing plate (16) is fixedly installed on the top of the fixing platform (1). A power controller (17) is fixedly installed on the top of the fixing plate (16). A contact pair (18) is provided on the side wall of the power controller (17).

2. The novel engine exhaust brake butterfly valve according to claim 1, characterized in that: A fixing rod (10) is fixedly installed inside the air intake pipe (9). A plug (11) is movably sleeved on the top of the fixing rod (10). The plug (11) and the fixing rod (10) are elastically connected by a spring (12). The top of the plug (11) seals the sealing port (23).

3. A novel engine exhaust brake butterfly valve according to claim 1, characterized in that: The electric actuator (13) is provided with an actuator rod (14) at its bottom, and the actuator rod (14) is located inside the air intake pipe (9).

4. A novel engine exhaust brake butterfly valve according to claim 1, characterized in that: The outer wall of the extension plate (19) is fixedly installed with contact pair two (22), and the outer wall of the power controller (17) is provided with contact pair one (18) corresponding to contact pair two (22).

5. A novel engine exhaust brake butterfly valve according to claim 4, characterized in that: The first contact pair (18) is electrically connected to the power controller (17), the power controller (17) is electrically connected to the airflow sensor (4), and the second contact pair (22) is electrically connected to the motor (21).

6. A novel engine exhaust brake butterfly valve according to claim 1, characterized in that: The electric actuator (13) is an RC-10 actuator, and the airflow sensor (4) is an MAF type sensor.

7. A novel engine exhaust brake butterfly valve according to claim 1, characterized in that: An electric actuator (5) is rotatably mounted on the right side of the mounting plate (2), and the telescopic end of the electric actuator (5) is rotatably connected to the control rod (15).

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