An integral riveted spring brake chamber

Abstract

The present invention discloses an integral riveted spring brake air chamber, comprising an upper barrel, a middle barrel and a lower barrel, wherein the side of the upper barrel is connected to the middle barrel, the side of the middle barrel is connected to the lower barrel, the connection between the upper barrel and the middle barrel and the outer side of the middle barrel and the lower barrel are sleeved with a connecting layer, the connecting layer is semicircular, and the adjacent connecting layers are fixed by bolts, a first diaphragm is clamped between the upper barrel and the middle barrel, a fixed push rod and a first spring are provided inside the upper barrel, the fixed push rod passes through the upper barrel, and the outer side of the fixed push rod is sleeved with the first spring; when air leakage occurs in the second chamber, the gas flows at a slower speed, so that the crushed impurities enter the interior of the limit channel, thereby jamming the connecting column, thereby avoiding the problem that the parking brake is always open after aging and air leakage occur in the second chamber.

Description

Technical Field

[0001] The invention relates to the technical field of spring brake air chambers, in particular to an integral riveted spring brake air chamber. Background Art

[0002] The spring brake chamber is part of the automobile braking system. It is generally installed on the drive axle of the automobile to provide braking torque for the automobile. The integral riveted spring brake chamber is a type of spring brake chamber. However, the general riveted spring brake chamber has some disadvantages when used, such as:

[0003] When a general riveted spring brake chamber is used for a long time, it is prone to leakage due to aging and other problems inside the device. When the vehicle is driving, if the service brake chamber leaks, the driver will experience insufficient braking force when stepping on the brake pedal. In addition, it is difficult to detect the braking force of a general riveted spring brake chamber, thereby increasing safety hazards. When the parking brake chamber leaks, the device will always be in a braking state. At this time, the temperature of the wheel will be too high when the vehicle is driving, and the vehicle cannot be quickly transferred for maintenance, which is not conducive to the use of the device. Summary of the Invention

[0004] The object of the present invention is to provide an integral riveted spring brake chamber to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: an integral riveted spring brake air chamber, 1. An integral riveted spring brake air chamber, comprising an upper barrel, a middle barrel and a lower barrel, the side of the upper barrel being connected to the middle barrel, the side of the middle barrel being connected to the lower barrel, a connecting layer being sleeved at the connection between the upper barrel and the middle barrel and the outer side of the middle barrel and the lower barrel, the connecting layer being semicircular, and the adjacent connecting layers being fixed by bolts, a first diaphragm being clamped between the upper barrel and the middle barrel, a fixed push rod and a first spring being arranged inside the upper barrel, the fixed push rod passing through the upper barrel, the outer side of the fixed push rod being sleeved with the first spring, the first spring being located inside the upper barrel, a connecting column and a third spring being arranged inside the middle barrel, the connecting column passing through the middle barrel, the third spring being located on the outer side of the connecting column, the third spring being located on one side of the middle barrel adjacent to the lower barrel, a second diaphragm being arranged between the middle barrel and the lower barrel, a screw being arranged inside the lower barrel, the screw passing through the lower barrel, and the screw position A nut is provided on the side of one end of the outer side of the lower barrel, and a fourth spring is provided on the side of the screw, and the fourth spring is located inside the lower barrel. When the device is in use, the fixed push rod and the first spring are first installed into the interior of the upper barrel, the connecting column and the third spring are installed into the interior of the middle barrel, and the screw, the fourth spring and the nut are installed into the interior of the lower barrel. Then the upper barrel, the middle barrel and the lower barrel are fitted together in sequence, and the first diaphragm is placed between the upper barrel and the middle barrel, and the second diaphragm is placed between the middle barrel and the lower barrel. Then, the connecting layer is sleeved on the side of the connection between the upper barrel, the middle barrel and the lower barrel, and the adjacent connecting layer is fixed with bolts to fix the upper barrel, the middle barrel and the lower barrel to fix the complete device. A first chamber is formed between the first diaphragm and the middle barrel, and a second chamber is formed between the second diaphragm and the middle barrel. When the vehicle is braking, the brake pedal is stepped on, and the gas enters the first chamber to push the fixed push rod to move to form a brake. When the parking brake is applied, the gas in the first chamber and the second chamber will be discharged to perform the parking brake.

[0006] Furthermore, one end of the fixed push rod located inside the upper barrel is in a round cake shape, and a guide layer and a fixing hole are respectively provided on the outside of the upper barrel. The distance between the fixing hole and the round cake end of the fixed push rod is smaller than the distance between the guide layer and the round cake end of the fixed push rod. A fixing frame is provided on the outside of the fixed push rod. When the air pressure in the first chamber increases, the gas will push the first diaphragm to move. When the first diaphragm moves, it will push the fixed push rod to move, thereby forming braking. When the fixed push rod moves, it will compress the first spring. When the braking is completed, the air pressure inside the first chamber decreases, and the first spring will push the fixed push rod to return to its original position, so that the vehicle can continue to drive normally.

[0007] Furthermore, an electric push rod is symmetrically provided inside one end of the fixing frame located outside the upper barrel, a fixing column is provided at the lower end of the electric push rod, a support column is provided inside the fixing column, and a roller is provided for rotation inside the support column farther from the fixing column. When the fixed push rod moves, the vehicle will be braked, and when the fixed push rod moves, the roller will be driven to rotate, and the guide layer is wavy, so when the guide layer contacts the roller, it will not only drive the roller to rotate, but also drive the roller to vibrate, and a sensor is connected to the side of the roller, and the sensor is provided inside the support column. The rotation speed of the roller can be detected by the sensor, and the rotation speed of the roller reflects the movement of the fixed push rod, so the braking speed can be detected through the detection data, thereby detecting the inside of the device. When the braking speed is very slow, it means that there is a problem such as air leakage in the brake of the device, and the device needs to be inspected and repaired in time.

[0008] Furthermore, a spiral induction coil is provided inside the fixed column, a second spring is provided inside the fixed column, the second spring is fitted with the support column, and a magnetic core is provided inside the support column. When the fixed push rod moves, since the guide layer is wavy, the faster the fixed push rod moves, the greater the impact force on the roller will be. When air leakage occurs, the moving speed of the fixed push rod will decrease, so the impact force of the fixed push rod on the roller will decrease, resulting in a decrease in the amplitude of the roller moving upward. When the roller moves upward, it will squeeze the second spring, and then the second spring will push the support column and the roller downward, so that the roller continues to reciprocate, and the amplitude of the movement of the support column and the roller is positively correlated with the moving speed of the fixed push rod. When the support column reciprocates, it will drive the magnetic core to continuously pass through the induction coil, so the induction coil will generate an induced current, and the moving speed of the fixed push rod can be detected by the intensity of the induced current. When the brake pedal is stepped on quickly, the detected data is less than the specified value, which indicates that there is an air leak inside the device, resulting in a slow movement speed of the fixed push rod, and the vehicle is prone to insufficient braking force when driving. When the vehicle's braking force is insufficient, when the vehicle moves for braking, the movement distance of the fixed push rod can be detected as the roller rotates. After the fixed push rod moves a fixed distance, the electric push rod will push the fixed column and the roller to move downward and embed into the fixed hole, thereby limiting the fixed push rod so that the fixed push rod will not rebound under the action of air leakage, thereby ensuring the braking force of the vehicle. After the brake is stopped, the electric push rod will drive the roller to return to its original position, and the first spring will drive the fixed push rod to return to its original position. When a large braking force is required, the gas in the second chamber can be directly discharged. At this time, the fourth spring will push the screw to move, and when the screw moves, it will drive the connecting column and the fixed push rod to move for braking. At this time, the braking force is relatively large.

[0009] Furthermore, a plurality of fixing rods are provided on the side of the connecting column, and a top is provided on the side of the fixing rod. The outer side of the top is arc-shaped, and the diameter of the end of the top closer to the first diaphragm is smaller than the diameter of the end of the top farther from the first diaphragm. A first filter layer is provided inside the end of the top with a larger diameter, and a second filter layer is provided inside the end of the top with a smaller diameter. When the air pressure in the second chamber increases, the second diaphragm and the screw will be pushed to move, thereby compressing the fourth spring, and the third spring will also drive the connecting column to move so that it no longer presses on the first diaphragm. At this time, the position of the first diaphragm can be adjusted by controlling the air pressure in the first chamber to achieve the purpose of braking.

[0010] Furthermore, a fan is rotatably provided inside the end of the mandrel with a smaller diameter, and a twisted rod is slidably provided inside the fan, and the other end of the twisted rod is connected to the first diaphragm. The interior of the connecting column is hollow, and the connecting column and the twisted rod are slidably connected. When the connecting column moves, the mandrel is driven to move through the fixed rod, and when the mandrel moves, it moves relative to the twisted rod, and the twisted rod guides the fan. When the air pressure in the second chamber is reduced and braking is performed, the fourth spring drives the screw to move inward, and the screw drives the connecting column to move toward the first diaphragm. At this time, the twisted rod guides the fan, causing the fan to rotate. At this time, the gas will enter the interior of the mandrel from the second filter layer, and then the gas will pass through the second filter layer. One filter layer is discharged to the outside, so that the impurities and dust in the first chamber will be gathered on the surface of the second filter layer. Then the second filter layer will contact with the first diaphragm to crush the dust on the surface of the second filter layer to prevent the dust from gathering and being difficult to remove. At the same time, when the connecting column moves in the opposite direction, the fan will rotate in the opposite direction, causing the gas flow rate to change. At this time, the gas will enter the interior of the top head from the first filter layer and then be discharged through the second filter layer. At this time, the dust will adhere to the surface of the first filter layer, so when the first filter layer and the support frame come into contact, the dust on the surface of the first filter layer will be crushed, further avoiding the phenomenon of impurities gathering, thereby avoiding problems when the device is in use.

[0011] Furthermore, the connecting column passes through the support frame, and the support frame is connected to the middle barrel. A limited position channel is provided inside the support frame. When air leakage occurs in the second chamber, after the handbrake is pulled, external gas enters the second chamber and drives the second diaphragm to move. Due to gas leakage, the screw will slowly move inward under the action of the fourth spring. When the screw moves, it will push the connecting column to move, thereby causing the distance between the connecting column and the first diaphragm to become closer and closer, and the gas in the top head will flow from the second filter layer to the first filter layer, and the crushed impurities will follow the gas into the interior of the limiting channel. Since the interior of the limiting channel is wavy, the limiting channel has a storage effect on impurities. When the air leakage speed is slow, impurities entering the interior of the limiting channel will cause blockage in the limiting channel, resulting in increased resistance between the limiting channel and the connecting column, thereby avoiding the device from being in a braking state all the time when air leakage occurs, and the movement of the fixed push rod can be detected by the sensor, so as to judge whether the braking is effective after the gas in the second chamber is emptied by the movement of the fixed push rod.

[0012] When the gas in the second chamber is normally emptied, the fan rotates faster due to the faster movement speed of the connecting column, so most of the gas will flow to the side of the support frame, and only a small amount of gas enters the interior of the limit channel. At the same time, the movement speed of the connecting column is faster and the impact force is greater, so the movement of the connecting column is difficult to be stopped by impurities, resulting in the device not getting stuck during normal operation.

[0013] Compared with the prior art, the beneficial effects achieved by the present invention are: when air leakage occurs in the second chamber of the present invention, the gas flow rate is slower, so that the crushed impurities enter the interior of the limit channel, thereby jamming the connecting column, avoiding the problem of the parking brake always being open after aging and air leakage occur in the second chamber; when air leakage occurs inside the first chamber, the fixed push rod will experience a decrease in moving speed. At this time, the roller is driven to move by the electric push rod, causing the roller to be embedded in the interior of the fixed hole, thereby ensuring the braking force of the device during driving. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the overall front cross-sectional structure of the present invention;

[0016] Figure 2 It is a schematic diagram of the side cross-sectional structure of the fixed push rod of the present invention;

[0017] Figure 3 This is a schematic diagram of the side cross-sectional structure of the electric push rod and roller installation of the present invention;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the fixed push rod of the present invention;

[0019] Figure 5 This is a schematic diagram of the front cross-sectional structure of the connecting column and the plug installation of the present invention;

[0020] Figure 6 It is a schematic diagram of the internal high-speed gas flow direction when the mandrel moves toward the first diaphragm;

[0021] Figure 7 This is a schematic diagram of the internal low-speed gas flow when the mandrel moves toward the first diaphragm;

[0022] Figure 8 It is a schematic diagram of the internal gas flow direction when the plug moves toward the second diaphragm.

[0023] In the figure: 1. Upper barrel; 101. First diaphragm; 102. Fixed push rod; 103. Guide layer; 104. Fixed hole; 105. First spring; 106. Fixed frame; 107. Electric push rod; 108. Fixed column; 109. Induction coil; 110. Second spring; 111. Support column; 112. Magnetic core; 113. Roller; 114. Twisted rod; 2. Middle barrel; 201. Connecting column; 202. Fixed rod; 203. Top head; 204. First filter layer; 205. Second filter layer; 206. Fan; 207. Support frame; 208. Limiting path; 209. Third spring; 3. Lower barrel; 301. Second diaphragm; 302. Screw; 303. Fourth spring; 304. Nut; 4. Connecting layer;. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] like Figure 1As shown, an integral riveted spring brake air chamber comprises an upper barrel 1, a middle barrel 2 and a lower barrel 3. The side of the upper barrel 1 is connected to the middle barrel 2, and the side of the middle barrel 2 is connected to the lower barrel 3. A connecting layer 4 is provided at the connection between the upper barrel 1 and the middle barrel 2 and the outer side of the middle barrel 2 and the lower barrel 3. The connecting layer 4 is semicircular, and the adjacent connecting layers 4 are fixed by bolts. A first diaphragm 101 is sandwiched between the upper barrel 1 and the middle barrel 2. A fixed push rod 102 and a first spring 105 are provided inside the upper barrel 1. The fixed push rod 102 passes through the upper barrel 1, and the outer side of the fixed push rod 102 is provided with The first spring 105 is located inside the upper barrel 1. A connecting column 201 and a third spring 209 are provided inside the middle barrel 2. The connecting column 201 passes through the middle barrel 2. The third spring 209 is located outside the connecting column 201. The third spring 209 is located on the side of the middle barrel 2 adjacent to the lower barrel 3. A second diaphragm 301 is provided between the middle barrel 2 and the lower barrel 3. A screw 302 is provided inside the lower barrel 3. The screw 302 passes through the lower barrel 3. A nut 304 is provided on the side of the screw 302 located outside the lower barrel 3. A fourth spring 303 is provided, and the fourth spring 303 is located inside the lower barrel 3. When the device is in use, the fixed push rod 102 and the first spring 105 are first installed into the interior of the upper barrel 1, the connecting column 201 and the third spring 209 are installed into the interior of the middle barrel 2, the screw 302, the fourth spring 303 and the nut 304 are installed into the interior of the lower barrel 3, and then the upper barrel 1, the middle barrel 2 and the lower barrel 3 are sequentially fitted together, and the first diaphragm 101 is placed between the upper barrel 1 and the middle barrel 2, and the second diaphragm 301 is placed between the middle barrel 2 and the lower barrel 3. Then, the connecting layer 4 is sleeved on the side of the connection between the upper barrel 1, the middle barrel 2 and the lower barrel 3, and the adjacent connecting layer 4 is fixed with bolts, so that the upper barrel 1, the middle barrel 2 and the lower barrel 3 are fixed to assemble the complete device. A first chamber is formed between the first diaphragm 101 and the middle barrel 2, and a second chamber is formed between the second diaphragm 301 and the middle barrel 2. When the vehicle is braking, the brake pedal is stepped on, and the gas enters the first chamber to push the fixed push rod 102 to move to form a brake. When the parking brake is applied, the gas in the first chamber and the second chamber will be discharged to perform the parking brake.

[0026] like Figure 4As shown, one end of the fixed push rod 102 located inside the upper barrel 1 is in a pancake shape, and a guide layer 103 and a fixing hole 104 are respectively provided on the outside of the upper barrel 1. The distance between the fixing hole 104 and the pancake end of the fixed push rod 102 is smaller than the distance between the guide layer 103 and the pancake end of the fixed push rod 102. A fixing frame 106 is provided on the outside of the fixed push rod 102. When the air pressure in the first chamber increases, the gas will push the first diaphragm 101 to move. When the first diaphragm 101 moves, it will push the fixed push rod 102 to move, thereby forming braking. When the fixed push rod 102 moves, it will compress the first spring 105. When the braking is completed, the air pressure inside the first chamber decreases, and the first spring 105 will push the fixed push rod 102 to return to its original position, so that the vehicle can continue to drive normally.

[0027] like Figure 2 and Figure 3 As shown, an electric push rod 107 is symmetrically arranged inside one end of the fixing frame 106 located outside the upper barrel 1, and a fixing column 108 is arranged at the lower end of the electric push rod 107. A support column 111 is arranged inside the fixing column 108, and a roller 113 is arranged on the inner rotation of the support column 111 farther from the fixing column 108. When the fixed push rod 102 moves, the vehicle will be braked, and when the fixed push rod 102 moves, the roller 113 will be driven to rotate, and the guide layer 103 is wavy, so the guide layer 103 is in contact with the roller 113. When the brake is turned on, the roller 113 is not only rotated, but also vibrated. A sensor is connected to the side of the roller 113. The sensor is arranged inside the support column 111. The rotation speed of the roller 113 can be detected by the sensor. The rotation speed of the roller 113 reflects the movement of the fixed push rod 102. Therefore, the braking speed can be detected through the detected data, thereby detecting the inside of the device. When the braking speed is very slow, it means that there is a problem such as air leakage in the brake of the device, and the device needs to be inspected and repaired in time.

[0028] The interior of the fixed column 108 is provided with a spiral induction coil 109, and the interior of the fixed column 108 is provided with a second spring 110, and the second spring 110 is fitted with the support column 111, and the interior of the support column 111 is provided with a magnetic core 112. When the fixed push rod 102 moves, since the guide layer 103 is wavy, the faster the fixed push rod 102 moves, the greater the impact force on the roller 113 will be. When air leakage occurs, the moving speed of the fixed push rod 102 will decrease, so the impact force of the fixed push rod 102 on the roller 113 will decrease, resulting in the roller 113 being in a state of ... The amplitude of the upward movement of the roller 113 decreases. When the roller 113 moves upward, it squeezes the second spring 110, and then the second spring 110 pushes the support column 111 and the roller 113 to move downward, so that the roller 113 continuously moves back and forth, and the amplitude of the movement of the support column 111 and the roller 113 is positively correlated with the moving speed of the fixed push rod 102. When the support column 111 moves back and forth, it drives the magnetic core 112 to continuously pass through the induction coil 109, so the induction coil 109 generates an induced current, and the intensity of the induced current can be used to detect the fixed push rod 102. The moving speed of the rod 102, when the brake pedal is stepped on quickly, the detected data is less than the specified value, which means that there is a leak inside the device, resulting in a slow moving speed of the fixed push rod 102, and the vehicle is prone to insufficient braking force when driving. When the vehicle's braking force is insufficient, when the vehicle moves to brake, the moving distance of the fixed push rod 102 can be detected as the roller 113 rotates. After the fixed push rod 102 moves a fixed distance, the electric push rod 107 will push the fixed column 108 and the roller 113 to move downward and embed into the inside of the fixing hole 104 , thereby limiting the fixed push rod 102 so that the fixed push rod 102 will not rebound under the action of air leakage, thereby ensuring the braking force of the vehicle. After the brake is stopped, the electric push rod 107 will drive the roller 113 to return to its original position, and the first spring 105 will drive the fixed push rod 102 to return to its original position. When a large braking force is required, the gas in the second chamber can be directly discharged. At this time, the fourth spring 303 will push the screw 302 to move, and when the screw 302 moves, it will drive the connecting column 201 and the fixed push rod 102 to move for braking. At this time, the braking force is relatively large.

[0029] like Figure 5 、 Figure 6 、 Figure 7 and Figure 8As shown, a plurality of fixing rods 202 are provided on the side of the connecting column 201, and a top 203 is provided on the side of the fixing rod 202. The outer side of the top 203 is arc-shaped, and the diameter of the end of the top 203 closer to the first diaphragm 101 is smaller than the diameter of the end of the top 203 farther from the first diaphragm 101. A first filter layer 204 is provided inside the end with a larger diameter of the top 203, and a second filter layer 205 is provided inside the end with a smaller diameter of the top 203. When the air pressure in the second chamber increases, the second diaphragm 301 and the screw 302 will be pushed to move, thereby compressing the fourth spring 303, and the third spring 209 will also drive the connecting column 201 to move so that it no longer presses on the first diaphragm 101. At this time, the position of the first diaphragm 101 can be adjusted by controlling the air pressure in the first chamber to achieve the purpose of braking.

[0030] A fan 206 is rotatably provided at the end of the smaller diameter of the top head 203, and a twisted rod 114 is slidably provided inside the fan 206. The other end of the twisted rod 114 is connected to the first diaphragm 101. The interior of the connecting column 201 is hollow, and the connecting column 201 and the twisted rod 114 are slidably connected. When the connecting column 201 moves, the top head 203 is driven to move through the fixed rod 202. When the top head 203 moves, it moves relative to the twisted rod 114, and the twisted rod 114 guides the fan 206. When the air pressure in the second chamber is reduced and braking is performed, the fourth spring 303 drives the screw 302 to move inward, and the screw 302 drives the connecting column 201 to move toward the first diaphragm 101. At this time, the twisted rod 114 guides the fan 206, causing the fan 206 to rotate. At this time, the gas enters the top head 203 from the second filter layer 205. Inside, the gas will be discharged from the first filter layer 204 to the outside, so that the impurities and dust in the first chamber will be gathered on the surface of the second filter layer 205, and then the second filter layer 205 will contact the first diaphragm 101, thereby crushing the dust on the surface of the second filter layer 205 to prevent the dust from accumulating and being difficult to remove. At the same time, when the connecting column 201 moves in the opposite direction, the fan 206 will rotate in the opposite direction, causing the gas flow rate to change. At this time, the gas will enter the interior of the top head 203 from the first filter layer 204 and then be discharged through the second filter layer 205. At this time, the dust will adhere to the surface of the first filter layer 204, so when the first filter layer 204 and the support frame 207 come into contact, the dust on the surface of the first filter layer 204 will be crushed, further avoiding the phenomenon of impurities gathering, thereby avoiding problems with the device during use.

[0031] The connecting column 201 passes through the support frame 207, and the support frame 207 is connected to the middle barrel 2. A limited position channel 208 is provided inside the support frame 207. When there is a gas leak in the second chamber, after the handbrake is pulled up, the outside gas enters the second chamber and drives the second diaphragm 301 to move. Due to the gas leakage, the screw 302 will slowly move inward under the action of the fourth spring 303. When the screw 302 moves, it will push the connecting column 201 to move, thereby causing the distance between the connecting column 201 and the first diaphragm 101 to get closer and closer, and the gas in the head 203 will flow from the second filter layer 205 to the first filter layer. 204, and the crushed impurities will enter the interior of the limiting channel 208 along with the gas. Since the interior of the limiting channel 208 is wavy, the limiting channel 208 has a storage effect on the impurities. When the leakage speed is slow, the impurities entering the interior of the limiting channel 208 will cause a blockage in the limiting channel 208, resulting in an increase in the resistance between the limiting channel 208 and the connecting column 201, thereby preventing the device from being in a braking state all the time when leakage occurs, and the movement of the fixed push rod 102 can be detected by the sensor, so as to judge whether the braking effect is achieved after the gas in the second chamber is emptied by the movement of the fixed push rod 102;

[0032] When the gas in the second chamber is normally emptied, since the connecting column 201 moves at a faster speed, the fan 206 rotates at a faster speed, so most of the gas will flow to the side of the support frame 207, and only a small amount of gas enters the interior of the limiting channel 208. At the same time, the connecting column 201 moves at a faster speed and has a greater impact force, so the movement of the connecting column 201 is difficult to be blocked by impurities, causing the device to not get stuck during normal operation.

[0033] The working principle of the present invention is as follows: when the vehicle stops running and needs to be parked, the gas in the second chamber will be emptied, and the fourth spring 303 will drive the screw 302 to move. When the screw 302 moves, it will drive the connecting column 201 and the fixed push rod 102 to move. When the parking brake needs to be released, gas will be injected into the second chamber, causing the screw 302 to return to its original position, and the third spring 209 will drive the connecting column 201 to return to its original position, and the first spring 105 will drive the fixed push rod 102 to return to its original position and no longer brake. When the connecting column 201 moves, the twisted rod 114 and the fan 206 are relatively displaced. At this time, the fan 206 rotates, causing the second filter layer 205 to collide with the first diaphragm 101, and the first filter layer 204 to collide with the support frame 207, thereby crushing the agglomerated impurities. When the second chamber leaks, the gas flows slowly, causing the crushed impurities to enter the interior of the limiting channel 208, thereby blocking the connecting column 201, thereby avoiding the problem of the parking brake being always on after the second chamber leaks due to aging.

[0034] When the vehicle is braking, the air pressure in the first chamber increases, thereby driving the fixed push rod 102 to move through the movement of the first diaphragm 101. When the fixed push rod 102 moves, the roller 113 is driven to rotate. The speed of the roller 113 can be detected by the sensor on the side of the roller 113. At the same time, when the roller 113 contacts the guide layer 103, the roller 113 is driven to move outward. Then the second spring 110 drives the roller 113 to return to its original position, thereby The second spring 110 drives the roller 113 to move back and forth, and the magnetic core 112 will reciprocate through the induction coil 109 to generate an induced current. By monitoring the induced current and the sensor, the movement of the fixed push rod 102 can be monitored. When air leakage occurs inside the first chamber, the movement speed of the fixed push rod 102 will decrease. At this time, the electric push rod 107 drives the roller 113 to move, causing the roller 113 to be embedded in the inside of the fixing hole 104, thereby ensuring the braking force of the device during driving.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An integral riveted spring brake chamber, comprising an upper barrel (1), a middle barrel (2) and a lower barrel (3), characterized in that: The side of the upper barrel (1) is connected to the middle barrel (2), and the side of the middle barrel (2) is connected to the lower barrel (3). The connection between the upper barrel (1) and the middle barrel (2) and the outer side of the middle barrel (2) and the lower barrel (3) are provided with a connecting layer (4), the connecting layer (4) is semicircular, and the adjacent connecting layers (4) are fixed by bolts. A first diaphragm (101) is sandwiched between the upper barrel (1) and the middle barrel (2). A fixed push rod (102) and a first spring (105) are provided inside the upper barrel (1). The fixed push rod (102) passes through the upper barrel (1), and the outer side of the fixed push rod (102) is provided with a first spring (105). The first spring (105) is located inside the upper barrel (1). The middle barrel (2 ) is provided with a connecting column (201) and a third spring (209) inside the middle barrel (2), the connecting column (201) passes through the middle barrel (2), the third spring (209) is located outside the connecting column (201), the third spring (209) is located on a side of the middle barrel (2) adjacent to the lower barrel (3), a second diaphragm (301) is provided between the middle barrel (2) and the lower barrel (3), a screw (302) is provided inside the lower barrel (3), the screw (302) passes through the lower barrel (3), and a nut (304) is provided on the side of one end of the screw (302) located outside the lower barrel (3), a fourth spring (303) is provided on the side of the screw (302), and the fourth spring (303) is located inside the lower barrel (3); A fixing frame (106) is provided on the outer side of the fixed push rod (102); An electric push rod (107) is symmetrically arranged inside one end of the fixing frame (106) located outside the upper barrel (1), a fixing column (108) is arranged at the lower end of the electric push rod (107), a supporting column (111) is arranged inside the fixing column (108), and a roller (113) is rotatably arranged inside the supporting column (111) at a farther end from the fixing column (108); A spiral induction coil (109) is provided inside the fixed column (108), a second spring (110) is provided inside the fixed column (108), the second spring (110) is fitted with the support column (111), and a magnetic core (112) is provided inside the support column (111); A plurality of fixing rods (202) are provided on the side of the connecting column (201), and a top head (203) is provided on the side of the fixing rod (202), and the outer side of the top head (203) is arc-shaped; A fan (206) is rotatably provided inside the end of the plug (203) with a smaller diameter, a twisted rod (114) is slidably provided inside the fan (206), the other end of the twisted rod (114) is connected to the first diaphragm (101), the interior of the connecting column (201) is hollow, and the connecting column (201) and the twisted rod (114) are slidably connected.

2. The integral riveted spring brake chamber according to claim 1, characterized in that: One end of the fixed push rod (102) located inside the upper barrel (1) is in the shape of a circular cake, and a guide layer (103) and a fixing hole (104) are respectively provided on the outside of the upper barrel (1), and the distance between the fixing hole (104) and the circular cake end of the fixed push rod (102) is smaller than the distance between the guide layer (103) and the circular cake end of the fixed push rod (102).

3. The integral riveted spring brake chamber according to claim 1, characterized in that: The diameter of the end of the plug (203) closer to the first diaphragm (101) is smaller than the diameter of the end of the plug (203) farther from the first diaphragm (101); a first filter layer (204) is provided inside the end of the plug (203) with the larger diameter, and a second filter layer (205) is provided inside the end of the plug (203) with the smaller diameter.

4. The integral riveted spring brake chamber according to claim 3, characterized in that: The connecting column (201) passes through the support frame (207), the support frame (207) is connected to the middle barrel (2), and a limited position path (208) is provided inside the support frame (207).

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