CN219406421U

CN219406421U - Constant pressure valve for anti-slip device of railway vehicle

Info

Publication number: CN219406421U
Application number: CN202320685278.1U
Authority: CN
Inventors: 肖建起; 贾俊国; 张德贵; 兰云雪
Original assignee: Tangshan Fengrun District Tengda Rolling Stock Parts Co ltd
Current assignee: Tangshan Fengrun District Tengda Rolling Stock Parts Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-25
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a constant pressure valve for a railway vehicle anti-slip device, which relates to the technical field of railway vehicle fixation and comprises a constant pressure valve main body, wherein two sides of the outer wall of the constant pressure valve main body are fixedly connected with an air inlet and an air outlet, the outer walls of the end surfaces of the air inlet and the air outlet are fixedly connected with meshing rings, the inside of each meshing ring is movably connected with a meshing mechanism, and the inner wall of each meshing mechanism is fixedly connected with an air inlet pipe and an air outlet pipe. According to the utility model, through the cooperation among the meshing hole, the meshing structure casing, the telescopic column, the inner annular wall, the linear sliding groove, the sliding column, the second sliding groove, the brushless self-locking motor, the meshing gear teeth, the rotating disk and the curved sliding groove, the brushless self-locking motor drives the rotating disk to rotate through the meshing gear teeth, and the rotating disk drives the telescopic column to expand to the periphery through the meshing of the curved sliding groove and the sliding column to be meshed with the meshing hole, so that the air inlet pipe and the air outlet pipe are fixed on the constant pressure valve main body, and the simple taking-out and placing of the constant pressure valve are realized.

Description

Constant pressure valve for anti-slip device of railway vehicle

Technical Field

The utility model relates to a fixed technical field of rail vehicle, concretely relates to constant pressure valve for rail vehicle anti-slide device.

Background

The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by adjusting and automatically keeps the outlet pressure stable by depending on the energy of the medium. From the point of view of fluid mechanics, the pressure reducing valve is a throttling element with variable local resistance, namely, by changing the throttling area, the flow speed and the kinetic energy of the fluid are changed, and different pressure losses are caused, so that the pressure reduction is achieved. The following problems exist in the prior art:

1. the prior anti-slip device for the railway vehicle mostly uses compressed air as a power source to drive the anti-slip device, and the anti-slip device needs to be applied to a constant pressure valve to ensure the normal operation of the anti-slip device at the moment, but the prior constant pressure valve is installed and used in the using process or is fixed by using a nut, and in the long-term operation process, the nut is very easy to loosen due to long-time vibration, and finally the dropping and the working effect of the constant pressure valve are weakened.

Disclosure of Invention

The utility model provides a constant pressure valve for a railway vehicle anti-slip device, which aims to provide a simple installation function and solve the problems that the conventional anti-slip device constant pressure valve is excessively troublesome to connect and unstable.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the constant pressure valve for the anti-slip device of the railway vehicle comprises a constant pressure valve main body, wherein an air inlet and an air outlet are fixedly connected to two sides of the outer wall of the constant pressure valve main body, a meshing ring is fixedly connected to the outer walls of the end faces of the air inlet and the air outlet, a meshing mechanism is movably connected to the inside of the meshing ring, and an air inlet pipe and an air outlet pipe are fixedly connected to the inner wall of the meshing mechanism.

The technical scheme of the utility model is further improved as follows: the inside of meshing ring is opened there is the meshing hole, the quantity of meshing hole is six, the meshing hole is along the axis evenly distributed of meshing ring.

By adopting the technical scheme, the constant pressure valve main body, the air inlet, the air outlet, the meshing mechanism, the air inlet pipe, the air outlet pipe and the meshing hole are matched, so that the constant pressure valve main body is fixed, and meanwhile, the air inlet and the air outlet of the constant pressure valve are controlled.

The technical scheme of the utility model is further improved as follows: the meshing mechanism comprises a meshing structure casing, the upper end face of the meshing structure casing is provided with six linear sliding grooves, the linear sliding grooves are uniformly arranged around the axis of the upper end face of the meshing structure casing, an inner annular wall is fixedly arranged at the inner axis of the meshing structure casing, a sleeve is fixedly arranged on the outer wall of the meshing structure casing, a telescopic column is movably connected with the outer wall of the inner annular wall, a sliding column is fixedly arranged on the upper portion of the outer side face of the telescopic column, the sliding column is meshed with the linear sliding grooves and extends out, one end of the telescopic column extends out of the sleeve, a second sliding groove is fixedly arranged on the inner wall of the meshing structure casing, a rotary disk is movably connected inside the meshing structure casing, and the rotary disk is meshed with the second sliding groove.

By adopting the technical scheme, the meshing mechanism, the meshing structure casing, the sleeve, the telescopic column, the inner annular wall, the linear sliding groove, the sliding column and the second sliding groove in the scheme are matched to fix the air inlet and the air outlet of the constant pressure valve.

The technical scheme of the utility model is further improved as follows: the back end face of the rotary disk is provided with six curved sliding grooves, the curved sliding grooves are uniformly arranged around the axis of the end face of the rotary disk, the inner wall of the rotary disk is fixedly provided with meshing gear teeth, the meshing gear teeth can be meshed with the movable end of the brushless self-locking motor, and the curved sliding grooves can be meshed with the sliding column.

By adopting the technical scheme, the rotating disc, the curved sliding groove and the meshing gear teeth in the scheme are matched to control the lifting of the meshing part of the meshing mechanism.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a constant pressure valve for a railway vehicle anti-slip device, which adopts a constant pressure valve main body, an air inlet, an air outlet, a meshing ring, a meshing mechanism, an air inlet pipe, an air outlet pipe, a meshing hole, a meshing structure casing, a telescopic column, an inner annular wall, a linear chute, a sliding column, a second chute, a brushless self-locking motor, meshing gear teeth, a rotating disk and a curve chute to be matched, wherein the brushless self-locking motor drives the rotating disk to rotate through the meshing gear teeth, and the rotating disk drives the telescopic column to expand to the periphery through the meshing of the curve chute and the sliding column to be meshed with the meshing hole, so that the air inlet pipe and the air outlet pipe are fixed on the constant pressure valve main body, and the simple taking and placing of the constant pressure valve are realized.

Drawings

FIG. 1 is a schematic plan view of a main structure of the present utility model;

FIG. 2 is a schematic perspective view of the engagement structure of the present utility model;

FIG. 3 is a schematic view of the interior of the engagement structure of the present utility model;

FIG. 4 is a schematic view of the inside of the structure of the present utility model;

fig. 5 is a schematic plan view of a fixing structure according to the present utility model.

In the figure: 1. a constant pressure valve body; 2. an air inlet; 3. an air outlet; 4. an engagement ring; 5. a meshing mechanism; 6. an air inlet pipe; 7. an air outlet pipe; 8. engagement holes; 9. a meshing structural sleeve; 10. a sleeve; 11. a telescopic column; 12. an inner annular wall; 13. a straight line chute; 14. a spool; 15. a second chute; 16. a brushless self-locking motor; 17. meshing gear teeth; 18. a rotating disc; 19. and a curved chute.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-5, the utility model provides a constant pressure valve for a railway vehicle anti-slip device, which comprises a constant pressure valve main body 1, wherein two sides of the outer wall of the constant pressure valve main body 1 are fixedly connected with an air inlet 2 and an air outlet 3, the outer walls of the end surfaces of the air inlet 2 and the air outlet 3 are fixedly connected with a meshing ring 4, the inside of the meshing ring 4 is movably connected with a meshing mechanism 5, the inner wall of the meshing mechanism 5 is fixedly connected with an air inlet pipe 6 and an air outlet pipe 7, meshing holes 8 are formed in the meshing ring 4, the number of the meshing holes 8 is six, and the meshing holes 8 are uniformly distributed along the central axis of the meshing ring 4.

In the present embodiment, the engagement holes 8 in the engagement ring 4 fixed to the outer walls of the air inlet pipe 6 and the air outlet pipe 7 of the constant pressure valve body 1 provide engagement openings for the engagement means of the engagement mechanism 5, thereby facilitating the fixing and taking thereof.

Example 2

As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides the following technical solutions: preferably, the engagement mechanism 5 comprises an engagement structure casing 9, the upper end surface of the engagement structure casing 9 is provided with six linear sliding grooves 13, the linear sliding grooves 13 are uniformly arranged around the axial center of the upper end surface of the engagement structure casing 9, an inner annular wall 12 is fixedly arranged at the inner axial center of the engagement structure casing 9, a sleeve 10 is fixedly arranged on the outer wall of the engagement structure casing 9, a telescopic column 11 is movably connected with the outer wall of the inner annular wall 12, a sliding column 14 is fixedly arranged on the upper part of the outer side surface of the telescopic column 11, the sliding column 14 is engaged and extended from the linear sliding grooves 13, one end of the telescopic column 11 is extended outwards from the sleeve 10, a second sliding groove 15 is fixedly arranged on the inner wall of the engagement structure casing 9, a rotary disk 18 is movably connected inside the engagement structure casing 9, and the rotary disk 18 is engaged with the second sliding groove 15.

In this embodiment, the brushless self-locking motor 16 drives the rotary disk 18 to rotate inside the casing 9 with the engagement structure through the engagement gear teeth 17 on the rotary disk 18, the sliding column 14 on the telescopic column 11 is engaged with the curved sliding groove 19, and when the rotary disk 18 rotates, the curved sliding groove 19 converts the rotational motion into the linear motion of the telescopic column 11, so that the telescopic column 11 extends outwards, and the effect of fixing the air inlet pipe 6 and the air outlet pipe 7 on the constant pressure valve main body 1 is achieved.

Example 3

As shown in fig. 1-5, on the basis of embodiment 2, the present utility model provides the following technical solutions: preferably, the back end surface of the rotary disk 18 is provided with six curved sliding grooves 19, the curved sliding grooves 19 are uniformly arranged around the axial center of the end surface of the rotary disk 18, the inner wall of the rotary disk 18 is fixedly provided with engaging gear teeth 17, the engaging gear teeth 17 can be engaged with the movable end of the brushless self-locking motor 16, and the curved sliding grooves 19 can be engaged with the sliding column 14.

In this embodiment, the brushless self-locking motor 16 drives the rotary disk 18 to rotate inside the engagement structure housing 9 through the engagement gear teeth 17 on the rotary disk 18, thereby acting as a driving member of the engagement mechanism 5 to drive the subsequent movement.

The working principle of the constant pressure valve for the rail vehicle anti-slip device is specifically described below.

As shown in fig. 1-5, firstly, the air outlet pipe 7 and the air inlet pipe 6 extend into the engagement ring 4, then the brushless self-locking motor 16 is started, the brushless self-locking motor 16 drives the rotation disk 18 to rotate in the engagement structure casing 9 through the engagement gear teeth 17 on the rotation disk 18, the sliding column 14 on the telescopic column 11 is engaged with the curved sliding groove 19, and when the rotation disk 18 rotates, the curved sliding groove 19 converts the rotation motion into the linear motion of the telescopic column 11, so that the telescopic column 11 extends outwards, the effect of fixing the air inlet pipe 6 and the air outlet pipe 7 on the constant pressure valve main body 1 is achieved, and the fixing and releasing effects of the air inlet pipe 6 and the air outlet pipe 7 are achieved.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a constant pressure valve for rail vehicle anti-slip device, includes constant pressure valve main part (1), the outer wall both sides fixedly connected with air inlet (2) and gas outlet (3) of constant pressure valve main part (1), its characterized in that: the air inlet device is characterized in that the outer walls of the end faces of the air inlet (2) and the air outlet (3) are fixedly connected with a meshing ring (4), a meshing mechanism (5) is movably connected inside the meshing ring (4), and an air inlet pipe (6) and an air outlet pipe (7) are fixedly connected to the inner wall of the meshing mechanism (5).

2. The constant pressure valve for a railway vehicle anti-slip device according to claim 1, wherein: the inside of meshing ring (4) is opened there is meshing hole (8), the quantity of meshing hole (8) is six, meshing hole (8) are along the axis evenly distributed of meshing ring (4).

3. The constant pressure valve for a railway vehicle anti-slip device according to claim 1, wherein: the utility model provides a meshing mechanism (5) is including meshing structure cover shell (9), the up end of meshing structure cover shell (9) is opened there is sharp spout (13), the quantity of sharp spout (13) is six, straight spout (13) are evenly arranged around meshing structure cover shell (9) up end axle center department, the inside axle center department fixed mounting of meshing structure cover shell (9) has interior rampart (12), the outer wall fixed mounting of meshing structure cover shell (9) has sleeve pipe (10), the outer wall swing joint of interior rampart (12) has telescopic column (11), the lateral surface upper portion fixed mounting of telescopic column (11) has slide column (14), slide column (14) are extended from the meshing of sharp spout (13), the outside extension of one end of telescopic column (11) is stretched out in sleeve pipe (10), the inner wall fixed mounting of meshing structure cover shell (9) has second spout (15), the inside swing joint of meshing structure cover shell (9) has rotary disk (18), rotary disk (18) meshes with second spout (15).

4. The constant pressure valve for a railway vehicle anti-roll-off according to claim 3, wherein: the automatic sliding device is characterized in that the back end face of the rotating disc (18) is provided with six curved sliding grooves (19), the curved sliding grooves (19) are uniformly arranged around the axis of the end face of the rotating disc (18), the inner wall of the rotating disc (18) is fixedly provided with meshing gear teeth (17), the meshing gear teeth (17) can be meshed with the movable end of the brushless self-locking motor (16), and the curved sliding grooves (19) can be meshed with the sliding column (14).