CN212318826U

CN212318826U - Ultra-low carbon austenite cast steel valve

Info

Publication number: CN212318826U
Application number: CN202020727817.XU
Authority: CN
Inventors: 胡鹏; 范军周; 张伟峰; 王中军
Original assignee: Henan Boas Machinery Manufacturing Co ltd
Current assignee: Henan Boas Machinery Manufacturing Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-01-08
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a cast steel valve technical field's an ultra-low carbon austenite cast steel valve, which comprises a valve body, the one end of valve body is equipped with the fluid and imports and exports A, the other end is equipped with fluid and imports and exports B, be equipped with discoid static case and dynamic valve core in the valve body, dynamic valve core is connected along the axis rotation with static case, just be equipped with fluid passage on the static case, be equipped with one-way runner A, one-way runner B and the two-way runner C that can be linked together with fluid passage alone on the dynamic valve core. The utility model discloses coaxial dynamic case and the static case of being equipped with in the valve body, through the rotation of dynamic case for one-way runner A, one-way runner B and two-way runner C on the dynamic case are corresponding with the fluid passage on the static case respectively, and then make the utility model discloses two-way check valve and stop valve function have.

Description

Ultra-low carbon austenite cast steel valve

Technical Field

The utility model relates to a cast steel valve technical field, concretely relates to ultra-low carbon austenite cast steel valve.

Background

Chinese patent No. CN202520973U discloses an ultra-low carbon austenite cast steel valve,

the valve is made of ultra-low carbon austenite cast steel, has the advantages of good mechanical property and corrosion resistance, but can only be used as a stop valve, and has single function.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to an ultra-low carbon austenite cast steel valve.

The utility model discloses the technical scheme who adopts does:

the design is an ultra-low carbon austenite cast steel valve, which comprises a valve body, one end of the valve body is provided with a fluid inlet and outlet A, the other end is provided with a fluid inlet and outlet B, the valve body is internally provided with a disc-shaped static valve core and a dynamic valve core, the dynamic valve core is rotationally connected with the static valve core along the axis, the static valve core is provided with a fluid channel, and the dynamic valve core is provided with a one-way flow channel A, a one-way flow channel B and a two-way flow channel C which can be independently communicated with the fluid.

Preferably, one-way runner A includes through-hole A, valve gap A, pivot A and stopper A, through-hole A is the step form, and through-hole A's big footpath end sets up towards fluid import and export B, pivot A is fixed to be set up in through-hole A's big footpath end, valve gap A rotates with pivot A to be connected, just stopper A sets up in through-hole A's big footpath end.

Preferably, one-way runner B reports through-hole B, valve gap B, pivot B, stopper B, through-hole B is the step form, and through-hole B's big footpath end sets up towards fluid import and export A, pivot B is fixed to be set up in through-hole B's big footpath end, valve gap B rotates with pivot B to be connected, just stopper B sets up in through-hole B's big footpath end.

Preferably, a rubber layer is arranged between the static valve core and the dynamic valve core.

Preferably, a sealing ring is arranged between the dynamic valve core and the valve body.

Preferably, the number of the static valve cores is two, and the two static valve cores are respectively arranged on two sides of the dynamic valve core.

Preferably, be equipped with transmission shaft A in the valve body, transmission shaft A's one end is run through behind the static case and is connected with dynamic case fixed connection, and transmission shaft A's the other end is equipped with bevel gear A, bevel gear A is connected with bevel gear B transmission, bevel gear B sets up in the bottom of valve rod, the middle part and the valve body of valve rod rotate to be connected, the top of valve rod is equipped with driving handle.

Preferably, the driving handle comprises an upper handle rod and a lower handle rod, the upper handle rod is rotatably connected with the valve rod through a second bearing, the lower handle rod is sleeved on the valve rod and located below the upper handle rod, an inner connecting rod and an outer connecting rod are arranged on the upper handle rod, a connecting hole matched with the outer connecting rod is formed in the upper handle rod, a positioning ring is arranged on the valve rod between the upper handle rod and the lower handle rod, and a clamping groove matched with the inner connecting rod is formed in the positioning ring.

Compared with the prior art, the utility model has the advantages that:

1. the utility model discloses coaxial dynamic case and the static case of being equipped with in the valve body, through the rotation of dynamic case for one-way runner A, one-way runner B and two-way runner C on the dynamic case are corresponding with the fluid passage on the static case respectively, and then make the utility model discloses two-way check valve and stop valve function have.

2. The utility model discloses a bevel gear A and bevel gear B's transmission is connected the rotation that drives dynamic case to the rotation that drives the valve rod through the cooperation of last handle pole on the valve rod and lower handle pole can effectively stop the maloperation phenomenon.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the dynamic spool;

FIG. 3 is a cross-sectional view of the dynamic spool;

FIG. 4 is a partial enlarged view A of FIG. 1;

10 is a valve body, 11 is a fluid inlet and outlet a, 12 is a fluid inlet and outlet B, 13 is a static valve core, 14 is a dynamic valve core, 15 is a rubber layer, 16 is a fluid channel, 17 is a one-way flow channel a, 18 is a one-way flow channel B, 19 is a two-way flow channel C, 20 is a through hole a, 21 is a valve cover a, 22 is a rotating shaft a, 23 is a limiting block a, 24 is a through hole B, 25 is a valve cover B, 26 is a rotating shaft B, 27 is a limiting block B, 28 is a transmission shaft a, 29 is a bevel gear a, 30 is a bevel gear B, 31 is a valve rod, 32 is an upper handle rod, 33 is a lower handle rod, 34 is an inner connecting rod, 35 is an outer connecting rod, 36 is a connecting hole, 37 is a positioning ring, 38 is a clamping groove, 39 is a first bearing, 40.

Detailed Description

The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way. The unit module components, structures, mechanisms, sensors and other devices referred to in the following examples are all conventional and commercially available products unless otherwise specified.

Example (b): as shown in fig. 1-4, an ultra-low carbon austenite cast steel valve includes a valve body 10, a fluid inlet and outlet a11 is provided at the left end of the valve body, a fluid inlet and outlet B12 is provided at the right end of the valve body, a disc-shaped static valve core 13 and a disc-shaped dynamic valve core 14 are provided in the valve body 10, the static valve core 13 can be fixedly connected with the valve body 10, or can be hermetically connected with the valve body 10 through a sealing ring; a sealing ring 40 is arranged between the dynamic valve core 14 and the valve body 10, a rubber layer 15 is arranged between the static valve core 13 and the dynamic valve core 14, and a plurality of convex strips can be arranged on the rubber layer 15 along the radial direction to improve the sealing property between the static valve core 13 and the dynamic valve core 14; the dynamic valve core 14 is rotationally connected with the static valve core 13 along the axis through a first bearing 39, a fluid channel 16 is arranged on the static valve core 13, and a one-way flow channel A17, a one-way flow channel B18 and a two-way flow channel C19 which can be independently communicated with the fluid channel 16 are arranged on the dynamic valve core 14.

In this embodiment, there may be one or two static valve cores 13, and when there are two static valve cores 13, one left static valve core 13 and one right static valve core 13 are disposed on two sides of the dynamic valve core 14.

In this embodiment, the one-way flow passage a17 includes a through hole a20, a valve cover a21, a rotation shaft a22, and a stopper a23, the through hole a20 is stepped, the right end is larger and the left end is smaller, the large diameter end (right end) of the through hole a20 is disposed toward the fluid inlet/outlet B12, the rotation shaft a22 is fixedly disposed in the large diameter end of the through hole a20, the valve cover a21 is rotatably connected to the rotation shaft a22, and the stopper a23 is disposed at the large diameter end of the through hole a20, and the rotation angle of the valve cover a21 is limited by the stopper a 23; the radial dimension of the valve cover A21 is larger than that of the small-diameter end of the through hole A20, so that when fluid medium flows in from the fluid inlet/outlet A11, the valve is in a conducting state, and when fluid medium flows in from the fluid inlet/outlet B12, the valve is in a stopping state, namely the valve is equivalent to a one-way valve conducting to the right.

In this embodiment, the one-way flow passage B18 includes a through hole B24, a valve cover B25, a rotation shaft B26, and a stopper B27, the through hole B24 is stepped from left to right, a large-diameter end of the through hole B24 is disposed toward (left end) the fluid inlet/outlet a11, the rotation shaft B26 is fixedly disposed in a large-diameter end of the through hole B24, the valve cover B25 is rotatably connected to the rotation shaft B26, the stopper B27 is disposed at a large-diameter end of the through hole B24, and a rotation angle of the valve cover B25 is limited by the stopper B27; the radial dimension of the valve cover B25 is larger than that of the small-diameter end of the through hole B24, so that when fluid medium flows in from the fluid inlet/outlet B12, the valve is in a conducting state, and when fluid medium flows in from the fluid inlet/outlet A11, the valve is in a stopping state, namely the valve is equivalent to a one-way valve conducting leftwards.

In the embodiment, a transmission shaft a28 is arranged in the valve body, one end of the transmission shaft a28 penetrates through the static valve core 13 and then is fixedly connected with the dynamic valve core 14, the other end of the transmission shaft a28 is provided with a bevel gear a29, the bevel gear a29 is in transmission connection with a bevel gear B30, a bevel gear B30 is arranged at the bottom end of the valve rod 31, the middle part of the valve rod 31 is rotatably connected with the valve body 10, and the top end of the valve rod 31 is provided with a driving handle; the driving handle comprises an upper handle rod 32 and a lower handle rod 33, the upper handle rod 32 is rotatably connected with a valve rod 31 through a second bearing 41, the lower handle rod 32 is sleeved on the valve rod 31 and located below the upper handle rod 32, an inner connecting rod 34 and an outer connecting rod 35 are arranged on the lower handle rod 33, a connecting hole 36 matched with the outer connecting rod 35 is formed in the upper handle rod 32, a positioning ring 37 is arranged on the valve rod 31 between the upper handle rod 32 and the lower handle rod 33, a clamping groove 38 matched with the inner connecting rod 34 is formed in the positioning ring 37, and a supporting plate 42 is arranged on the valve rod 31 below the lower handle rod 33.

The operation and use method of the cast steel valve comprises the following steps:

the lower handle 33 is pulled upwards to insert the inner connecting rod 34 into the slot 38, the outer connecting rod 35 is inserted into the connecting hole 36, then the upper handle 32 is rotated to drive the valve rod 31 to rotate, the bevel gear a29 and the bevel gear B30 are engaged to drive the dynamic valve core 14 to rotate, different functions are realized by different parts of the dynamic valve core 14 corresponding to the fluid channel 16, for example, when the one-way flow channel a17 is aligned with the fluid channel 16, the valve is equivalent to a one-way valve which is conducted to the right, when the one-way flow channel B18 is aligned with the fluid channel 16, the valve is equivalent to a one-way valve which is conducted to the left, when the two-way flow channel C19 is aligned with the fluid channel 16, the valve is conducted in two ways, and when none of the one-way flow channel a17, the one-way flow channel B18 and the two-way flow channel C19 is aligned with the fluid channel 16 (dotted line.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides an ultra-low carbon austenite cast steel valve, includes the valve body, the one end of valve body is equipped with fluid and imports and exports A, and the other end is equipped with fluid and imports and exports B, its characterized in that: the dynamic valve comprises a valve body and is characterized in that a disc-shaped static valve core and a disc-shaped dynamic valve core are arranged in the valve body, the dynamic valve core is rotationally connected with the static valve core along an axis, a fluid channel is arranged on the static valve core, and a one-way flow channel A, a one-way flow channel B and a two-way flow channel C which can be independently communicated with the fluid channel are arranged on the dynamic valve core.

2. The ultra-low carbon austenitic cast steel valve of claim 1, wherein: one-way runner A includes through-hole A, valve gap A, pivot A and stopper A, through-hole A is the step form, and through-hole A's big footpath end imports and exports B setting towards the fluid, pivot A is fixed to be set up in through-hole A's big footpath end, valve gap A rotates with pivot A to be connected, just stopper A sets up in through-hole A's big footpath end.

3. The ultra-low carbon austenitic cast steel valve of claim 2, wherein: one-way runner B reports including through-hole B, valve gap B, pivot B, stopper B, through-hole B is the step form, and through-hole B's big footpath end sets up towards fluid import and export A, pivot B is fixed to be set up in through-hole B's big footpath end, valve gap B rotates with pivot B to be connected, just stopper B sets up in through-hole B's big footpath end.

4. The ultra-low carbon austenitic cast steel valve of claim 1, wherein: and a rubber layer is arranged between the static valve core and the dynamic valve core.

5. The ultra-low carbon austenitic cast steel valve of claim 4, wherein: and a sealing ring is arranged between the dynamic valve core and the valve body.

6. The ultra-low carbon austenitic cast steel valve of claim 5, wherein: the number of the static valve cores is two, and the two static valve cores are respectively arranged on two sides of the dynamic valve core.

7. The ultra-low carbon austenitic cast steel valve of claim 1, wherein: the valve is characterized in that a transmission shaft A is arranged in the valve body, one end of the transmission shaft A penetrates through the static valve core and then is fixedly connected with the dynamic valve core, a bevel gear A is arranged at the other end of the transmission shaft A and is in transmission connection with a bevel gear B, the bevel gear B is arranged at the bottom end of the valve rod, the middle of the valve rod is in rotation connection with the valve body, and a driving handle is arranged at the top end of the valve rod.

8. The ultra-low carbon austenitic cast steel valve of claim 7, wherein: the driving handle comprises an upper handle rod and a lower handle rod, the upper handle rod is rotatably connected with the valve rod through a second bearing, the lower handle rod is sleeved on the valve rod and located below the upper handle rod, an inner connecting rod and an outer connecting rod are arranged on the upper handle rod, a connecting hole matched with the outer connecting rod is formed in the upper handle rod, a positioning ring is arranged on the valve rod between the upper handle rod and the lower handle rod, and a clamping groove matched with the inner connecting rod is formed in the positioning ring.