Automobile active braking three-way valve

Abstract

The utility model discloses an automobile active brake three-way valve which comprises a three-way valve body, the upper end face of the three-way valve body is fixedly connected with a fixing bolt, three gas transmission ends of the three-way valve body are fixedly connected with internal threaded pipes, the three internal threaded pipes are in threaded connection with external threaded pipes, and the external threaded pipes are in threaded connection with the three gas transmission ends of the three-way valve body. Clamping pipes are fixedly connected to the ends, close to the fixing bolts, of the three external threaded pipes, fixing rings are fixedly connected to the three gas conveying ends of the three-way valve body, and clamping grooves are formed in the three fixing rings. The three-way valve body and the pipe body are in threaded connection, so that the installation process is more convenient, meanwhile, the clamping assembly and the fixing assembly enable connection between the outer threaded pipe and the inner threaded pipe to be more stable, and the situation that the connecting position of the inner threaded pipe and the outer threaded pipe is loosened due to jolting in the automobile running process is avoided; and the situation of air leakage at the joint is effectively avoided, and the air conveying effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of three-way valves, in particular to an automobile active brake three-way valve. Background Art

[0002] The three-way valve is the most important component in the vehicle brake machine. It connects the automatic branch pipe, auxiliary air cylinder and brake cylinder. According to the changes in the air pressure in the vehicle pipe, the three-way valve has three action positions: inflation relief position, braking position and neutral position.

[0003] The connection between the existing three-way valve body and the pipe body is weak, and is easily damaged and leaks during the driving of the car. In addition, when the three-way valve is actually installed, multiple screws distributed in a ring need to be tightened, which makes the installation speed too slow.

[0004] Therefore, we propose an automobile active braking three-way valve to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and proposes an automobile active brake three-way valve.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A three-way valve for active braking of an automobile comprises a three-way valve body, the upper end surface of the three-way valve body being fixedly connected with a fixing bolt, the three gas delivery ends of the three-way valve body being fixedly connected with an internal threaded tube, the three internal threaded tubes being threadedly connected with an external threaded tube, the three external threaded tubes being fixedly connected with a clamping tube at one end close to the fixing bolt, the three gas delivery ends of the three-way valve body being fixedly connected with a fixing ring, the three fixing rings being provided with a clamping groove, the three clamping tubes being slidably connected in the three clamping grooves respectively, the three gas delivery ends of the three-way valve body being provided with a clamping assembly, and the three fixing rings being provided with a fixing assembly.

[0008] Preferably, the clamping assembly includes two connecting rods fixedly connected to the gas delivery end of the three-way valve body, the two connecting rods are symmetrically arranged, the ends of the two connecting rods away from the three-way valve body are fixedly connected to the support rod, the two support rods are threaded with threaded rods, the ends of the two threaded rods close to the internal threaded tube are rotatably connected to the clamping blocks, the two clamping blocks are arranged in an arc shape, and the two support rods are provided with a limiting assembly, the limiting assembly includes two connecting blocks fixedly connected to the side walls of the support rods, the ends of the two connecting blocks close to the internal threaded tube are fixedly connected to the telescopic rods, and the telescopic ends of the two telescopic rods are fixedly connected to the clamping blocks.

[0009] Preferably, the fixing assembly includes two fixing blocks fixedly connected to the side walls of the fixing ring, the two fixing blocks are each provided with a sliding cavity, the inner walls of the two sliding cavities on one side away from the three-way valve body are each fixedly connected with a plurality of spring frames, the two sliding cavities are each slidably connected with a sliding plate, the two sliding plates are respectively fixedly connected to the plurality of spring frames in the two sliding cavities, the two sliding plates are respectively fixedly connected with a clamping block on one end surface close to the three-way valve body, the two fixing blocks are each slidably penetrated by a pull rod, one end of the two pull rods are respectively fixedly connected to the two sliding plates, the clamping tube is provided with a plurality of bayonet holes, and the two clamping blocks and the plurality of bayonet holes are matched.

[0010] Preferably, one end of the six pull rods away from the three-way valve body is fixedly connected with a pull ring.

[0011] Preferably, one end of the six threaded rods away from the three-way valve body is fixedly connected to a handle, and an anti-slip pad layer is provided on the six handles.

[0012] Preferably, a buffer layer is provided on the inner walls of the three card slots, and the buffer layer is made of soft rubber.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. When installing the external threaded pipe, the user pulls the pull ring to shrink the clamping block into the sliding cavity. At this time, the user installs the external threaded pipe on the internal threaded pipe. At this time, the user loosens the pull ring to move the clamping block into the bayonet to fix the clamping pipe, making the connection between the external threaded pipe and the internal threaded pipe more stable, avoiding loosening of the connection between the internal threaded pipe and the external threaded pipe due to bumps during the operation of the car, effectively avoiding air leakage at the connection, and improving the gas transmission effect of the device.

[0015] 2. The user installs the external threaded pipe on the internal threaded pipe. At this time, the user twists the handle so that the clamping block clamps the clamping pipe on the external threaded pipe, making the external threaded pipe more stable and preventing the three-way valve body from being damaged at the connection due to bumps during gas transmission, further improving the stability of the three-way valve body connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional schematic diagram of the front structure of an automobile active brake three-way valve proposed by the utility model;

[0017] Figure 2 This is a three-dimensional cross-sectional view of a fixing block structure of a three-way valve for active braking of an automobile proposed by the utility model;

[0018] Figure 3 The utility model provides a three-dimensional cross-sectional view of an externally threaded pipe structure of an automobile active brake three-way valve.

[0019] In the figure: 1 three-way valve body, 2 fixing bolts, 3 internal threaded pipe, 4 external threaded pipe, 5 clamping pipe, 6 fixing ring, 7 connecting rod, 8 supporting rod, 9 threaded rod, 10 clamping block, 11 connecting block, 12 telescopic rod, 13 fixing block, 14 sliding cavity, 15 spring frame, 16 sliding plate, 17 clamping block, 18 clamping groove, 19 bayonet, 20 pull ring, 21 handle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 3 , an automobile active brake three-way valve, comprising a three-way valve body 1, a fixing bolt 2 is fixedly connected to the upper end surface of the three-way valve body 1, three gas delivery ends of the three-way valve body 1 are fixedly connected to internal threaded tubes 3, the three internal threaded tubes 3 are threadedly connected to external threaded tubes 4, and one end of the three external threaded tubes 4 close to the fixing bolt 2 is fixedly connected to a clamping tube 5, three gas delivery ends of the three-way valve body 1 are fixedly connected to fixing rings 6, three fixing rings 6 are provided with card grooves 18, three card tubes 5 are respectively slidably connected in the three card grooves 18, and buffer layers are provided on the inner walls of the three card grooves 18. The buffer layers are made of soft rubber, which can buffer the connection between the card tube 5 and the card groove 18 to avoid continuous collision damage between the card tube 5 and the card groove 18, and clamping components are provided on the three gas delivery ends of the three-way valve body 1, and fixing components are provided on the three fixing rings 6;

[0022] The clamping assembly includes two connecting rods 7 fixedly connected to the gas delivery end of the three-way valve body 1, the two connecting rods 7 are symmetrically arranged, the ends of the two connecting rods 7 away from the three-way valve body 1 are fixedly connected to the support rod 8, the two support rods 8 are threaded with threaded rods 9, the ends of the two threaded rods 9 close to the internal threaded tube 3 are rotatably connected to the clamping blocks 10, the two clamping blocks 10 are arranged in an arc shape, and the two support rods 8 are provided with a limiting assembly, the limiting assembly includes two connecting blocks 11 fixedly connected to the side walls of the support rods 8, the ends of the two connecting blocks 11 close to the internal threaded tube 3 are fixedly connected to the telescopic rod 12, the telescopic ends of the two telescopic rods 12 are fixedly connected to the clamping blocks 10, the ends of the six threaded rods 9 away from the three-way valve body 1 are fixedly connected to the grips 21, and the six grips 21 are provided with anti-slip pads. The provision of the grips 21 facilitates the user to rotate the threaded rods 9, thereby improving the portability of the device;

[0023] The fixing assembly includes two fixing blocks 13 fixedly connected to the side walls of the fixing ring 6, and the two fixing blocks 13 are each provided with a sliding cavity 14, and the inner walls of the two sliding cavities 14 on the side away from the three-way valve body 1 are each fixedly connected with a plurality of spring frames 15, and the two sliding cavities 14 are each slidably connected with a sliding plate 16, and the two sliding plates 16 are respectively fixedly connected to the plurality of spring frames 15 in the two sliding cavities 14, and the two sliding plates 16 are each fixedly connected with a clamping block 17 on one end surface of the two sliding plates 16 close to the three-way valve body 1, and a pull rod is slidably passed through the two fixing blocks 13, and one end of the two pull rods is respectively fixedly connected to the two sliding plates 16, and one end of the six pull rods away from the three-way valve body 1 is fixedly connected with a pull ring 20, and the setting of the pull ring 20 facilitates the user to pull the pull rod, thereby improving the portability of the device, and a plurality of bayonet holes 19 are provided on the clamping tube 5, and the two clamping blocks 17 and the plurality of bayonet holes 19 are matched.

[0024] During the use of the utility model, the user installs the three-way valve body 1 on the vehicle body, and then the user needs to connect the external threaded tube 4 to the internal threaded tube 3. The user first pulls the pull ring 20, and the pull ring 20 drives the pull rod to move, and the sliding plate 16 on the pull rod will slide in the sliding cavity 14. At this time, the spring frame 15 located in the sliding cavity 14 will shrink, and the block 17 located on the sliding plate 16 will shrink into the sliding cavity 14. At this time, the user installs the external threaded tube 4 on the internal threaded tube 3, and the clamping tube 5 located on the external threaded tube 4 will gradually slide into the clamping groove 18 on the fixing ring 6. When it is installed to a suitable position, the user releases the pull ring 20, and under the action of the elastic force of the spring frame 15, the block 17 slides out of the sliding cavity 14. At this time, the block 1 7 will move into the bayonet 19 on the clamping tube 5, making the connection between the external threaded tube 4 and the internal threaded tube 3 more stable, avoiding the loosening of the connection between the internal threaded tube 3 and the external threaded tube 4 due to bumps during the operation of the car, effectively avoiding air leakage at the connection, and improving the gas transmission effect of the device. After the user installs the external threaded tube 4 on the internal threaded tube 3, the user twists the handle 21 at this time, and the handle 21 drives the threaded rod 9 to rotate, and the clamping block 10 located on the threaded rod 9 will gradually descend, and the clamping blocks 10 at both ends will clamp the clamping tube 5 on the external threaded tube 4, making the external threaded tube 4 more stable, avoiding the three-way valve body 1 from being damaged at the connection due to the bumps of the car during the gas transmission process, and further improving the stability of the connection of the three-way valve body 1.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A three-way valve for active braking of an automobile, comprising a three-way valve body (1), characterized in that: The upper end surface of the three-way valve body (1) is fixedly connected with a fixing bolt (2); the three gas delivery ends of the three-way valve body (1) are fixedly connected with an internal threaded tube (3); the three internal threaded tubes (3) are threadedly connected with an external threaded tube (4); the three external threaded tubes (4) are fixedly connected with a clamping tube (5) at one end close to the fixing bolt (2); the three gas delivery ends of the three-way valve body (1) are fixedly connected with a fixing ring (6); the three fixing rings (6) are provided with a clamping groove (18); the three clamping tubes (5) are slidably connected in the three clamping grooves (18) respectively; the three gas delivery ends of the three-way valve body (1) are provided with a clamping assembly; and the three fixing rings (6) are provided with a fixing assembly.

2. The three-way valve for active braking of an automobile according to claim 1, characterized in that: The clamping assembly comprises two connecting rods (7) fixedly connected to the gas transmission end of the three-way valve body (1), the two connecting rods (7) are symmetrically arranged, the ends of the two connecting rods (7) away from the three-way valve body (1) are fixedly connected to a support rod (8), the two support rods (8) are threadedly penetrated by a threaded rod (9), the ends of the two threaded rods (9) close to the internal threaded tube (3) are rotatably connected to a clamping block (10), the two clamping blocks (10) are arranged in an arc shape, and the two support rods (8) are provided with a limit assembly, the limit assembly comprises two connecting blocks (11) fixedly connected to the side walls of the support rods (8), the ends of the two connecting blocks (11) close to the internal threaded tube (3) are fixedly connected to a telescopic rod (12), and the telescopic ends of the two telescopic rods (12) are fixedly connected to the clamping block (10).

3. The three-way valve for active braking of an automobile according to claim 1, characterized in that: The fixing assembly comprises two fixing blocks (13) fixedly connected to the side wall of the fixing ring (6), the two fixing blocks (13) are both provided with a sliding cavity (14), the inner wall of the two sliding cavities (14) away from the three-way valve body (1) is fixedly connected with a plurality of spring frames (15), the two sliding cavities (14) are both slidably connected with sliding plates (16), the two sliding plates (16) are respectively fixedly connected to the plurality of spring frames (15) in the two sliding cavities (14), the two sliding plates (16) are respectively fixedly connected to the plurality of spring frames (15) in the two sliding cavities (14), the two sliding plates (16) are both fixedly connected to a clamping block (17) on one end surface close to the three-way valve body (1), the two fixing blocks (13) are both slidably penetrated with a pull rod, one end of the two pull rods is respectively fixedly connected to the two sliding plates (16), the clamping pipe (5) is provided with a plurality of bayonet holes (19), and the two clamping blocks (17) and the plurality of bayonet holes (19) are matched.

4. The three-way valve for active braking of an automobile according to claim 3, characterized in that: One end of the six pull rods away from the three-way valve body (1) is fixedly connected to a pull ring (20).

5. The three-way valve for active braking of an automobile according to claim 2, characterized in that: One end of the six threaded rods (9) away from the three-way valve body (1) is fixedly connected to a handle (21), and an anti-slip cushion layer is provided on the six handles (21).

6. The three-way valve for active braking of an automobile according to claim 1, characterized in that: A buffer layer is provided on the inner walls of the three clamping slots (18), and the buffer layer is made of soft rubber.

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