CN210423787U - Tank bottom discharge valve - Google Patents
Tank bottom discharge valve Download PDFInfo
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- CN210423787U CN210423787U CN201921508437.0U CN201921508437U CN210423787U CN 210423787 U CN210423787 U CN 210423787U CN 201921508437 U CN201921508437 U CN 201921508437U CN 210423787 U CN210423787 U CN 210423787U
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Abstract
The utility model provides a tank bottoms discharge valve is suitable for the setting at the tank bottoms, include: the valve body is provided with an inner cavity and a discharge hole communicated with the bottom of the inner cavity; the valve cover is arranged at the top of the valve body in a covering manner and is provided with a feeding hole communicated with the inner cavity; the valve seat is arranged at the position of the feed inlet, is fixedly installed through the baffle and is provided with a sealing surface facing to the direction of the inner cavity; the C-shaped valve core is rotatably arranged in the inner cavity and provided with a valve spherical surface; the elastic extrusion structure is arranged at the position of the feed port, and when the C-shaped valve core is in a sealing position, the sealing surface is in contact with the valve spherical surface in a fitting manner; wear-resisting sleeve installs in the feed inlet position, and outer wall and valve gap, elasticity extrusion structure, disk seat laminating contact form sealedly, and the middle part forms feedstock channel, both can prevent to get into the medium granule between disk seat and the elasticity extrusion structure, avoids switch bite, sealed inefficacy, can reduce the washing away of medium to the disk seat again, reduces cost of maintenance, the life of extension valve.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to tank bottoms discharge valve.
Background
Valves are devices used in fluid systems to control the direction, pressure or flow of a fluid, and are devices that allow or stop the flow of a medium (gas, liquid, solid) in pipes and equipment and control the flow thereof. The tank bottom discharge valve is generally used for discharging materials at the bottom of a reaction kettle and a storage kettle.
At present, adopt plunger valve and last exhibition formula baiting valve in a large number to play the effect of cutting off, discovery in the use, the medium is easy scale deposit crystallization in the plunger valve, and the case is stuck, unable action, and it is more severe to erode the case of plunger valve, and life is generally short. The upward-spreading type discharge valve adopts a Y-shaped structure, the valve rod and the gland are positioned at the lowest part, and particles in a medium in the valve body easily enter a gap between the valve rod and the gland, so that the movement of the valve rod is limited, the valve rod is blocked, and the normal use is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming easy scale deposit crystal in the valve body among the prior art, erodeing case, the valve rod is easily blocked and is died, influences the technical defect of valve body normal use to a tank bottoms discharge valve with prevent that medium easily scale deposit crystallization, scour prevention, switch are nimble is provided.
Therefore, the utility model provides a tank bottoms discharge valve, include:
the valve body is provided with an inner cavity and a discharge hole communicated with the bottom of the inner cavity;
the valve cover is arranged at the top of the valve body in a covering manner and is provided with a feeding hole communicated with the inner cavity; the feed inlet and the discharge outlet are vertically opposite;
the valve seat is arranged at the position of the feed port, is fixedly installed through a baffle and is provided with a sealing surface facing the inner cavity;
the C-shaped valve core is rotatably arranged in the inner cavity and is provided with a valve spherical surface; the C-shaped valve core is provided with a sealing position which rotates to enable the valve spherical surface to be in compression sealing with the sealing surface, and a non-sealing position which rotates to enable the valve spherical surface not to be in contact with the sealing surface;
the elastic extrusion structure is arranged at the position of the feed port and used for elastically extruding the valve seat, and when the C-shaped valve core is at a sealing position, the sealing surface is in fit contact with the spherical surface of the valve;
wear-resisting sleeve installs the feed inlet position, the outer wall with the valve gap elasticity extrusion structure the disk seat laminating contact forms sealedly, and the middle part forms feedstock channel.
Preferably, the wear sleeve includes a sleeve body and a flange disposed at one end of the sleeve body;
a convex ring is arranged on the inner wall of the feeding hole of the valve cover to divide the inner wall of the feeding hole into an outer ring surface and an inner ring surface;
the outer side surface of the flange is provided with external threads, the outer ring surface is provided with internal threads, and the flange is in threaded connection with the outer ring surface; the inner wall of the convex ring is in fit contact with the outer wall of the sleeve main body, and an installation space is formed between the outer wall of the sleeve main body and the inner annular surface.
As a preferable mode, the valve seat includes:
an insertion portion insertable into the installation space;
the outer diameter of the limiting part is larger than that of the inserting part, and the limiting part is positioned in the inner cavity;
the baffle comprises a limiting table, the baffle is fixedly mounted on the valve cover, and the limiting table is opposite to the valve cover to form a limiting space for accommodating and limiting the limiting part, so that the valve seat can only move up and down within a certain range.
Preferably, the elastic pressing structure is disposed between the convex ring and the valve seat.
As a preferable aspect, the elastic pressing structure includes:
the valve seat pressing sleeve is arranged between the valve seat and the convex ring;
the spring is arranged between the valve seat pressing sleeve and the convex ring;
and the sealing ring is arranged between the valve seat pressing sleeve and the valve seat and is close to the valve cover.
As a preferable scheme, a groove is formed in the end face, facing one end of the valve seat pressing sleeve, of the valve seat and at a position close to the valve cover, a protrusion is arranged at a corresponding position of the valve seat pressing sleeve, and the sealing ring is arranged in the groove and is extruded and fixed by the protrusion.
As a preferable scheme, the top of the valve cover is provided with a threaded hole for connecting with a flange of external equipment through a bolt; the depth of the feed channel is 1.5-2 times the diameter of the flange bolt.
As a preferable scheme, a fixed shaft is arranged on the inner wall of the left side of the inner cavity of the valve body and is used for being rotatably connected with the left side of the C-shaped valve core;
and a valve rod is arranged on the right side of the inner cavity of the valve body through a gland and is used for being rotatably connected with the right side of the C-shaped valve core.
As a preferred scheme, the valve further comprises an actuating mechanism which is connected to the support, and the C-shaped valve core is driven to rotate by driving the valve rod.
As a preferred scheme, the inner chamber of valve body is for leaking hopper-shaped, the inner wall of discharge gate is smooth, and the internal diameter diminishes by big gradually.
The technical scheme provided by the utility model, following advantage has:
1. the utility model discloses a tank bottom discharge valve, including valve body, valve gap, disk seat, C type case, elastic extrusion structure and wear-resisting sleeve, wherein the valve body has an inner chamber, the valve gap lid is established at the valve body top, has the feed inlet that communicates with the inner chamber, wear-resisting sleeve is installed in the feed inlet position, the outer wall forms sealedly with valve gap, elastic extrusion structure, disk seat laminating contact, the middle part forms feed channel; the utility model discloses a tank bottoms discharge valve, wear-resisting sleeve install in the feed inlet position, and it is sealed to form between outer wall and valve gap, elasticity extrusion structure, the disk seat, and the inner wall forms feed passage, both can prevent getting into the medium granule between disk seat and the elasticity extrusion structure, avoids switch bite, sealed inefficacy, can reduce again the medium to the washing away of disk seat, reduces cost of maintenance, the life of extension valve.
2. The top of the valve cover of the tank bottom discharge valve of the utility model is provided with a threaded hole for connecting with a flange of an external device through a bolt, and the depth of the feeding channel is 1.5-2 times of the diameter of the flange bolt; the utility model discloses a tank bottoms discharge valve, feedstock channel's the degree of depth is low, and the volume of feed inlet position is little, can reduce the valve because of closing for a long time, and the scale deposit crystallization that the material deposit leads to, and then can avoid tank bottom valve card to die.
3. The tank bottom discharge valve of the utility model has the advantages that the inner cavity of the valve body is funnel-shaped, the inner wall of the discharge port is smooth, and the inner diameter is gradually reduced from big to small; the utility model discloses a tank bottoms discharge valve, medium granule rely on the action of gravity, run off completely, can not pile up the crystallization including the intracavity, guaranteed the performance of valve, the life of extension valve.
Drawings
In order to more clearly illustrate the technical solutions in the prior art or the embodiments of the present invention, the drawings used in the description of the prior art or the embodiments are briefly introduced below.
Figure 1 is the overall structure schematic diagram of the tank bottom discharge valve of the utility model.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Reference numerals: 1. a fixed shaft; 2. a valve body; 21. an inner cavity; 22. a feed inlet; 23. a discharge port; 3. a valve cover; 31. a convex ring; 32. an outer annular surface; 33. an inner ring surface; 4. a valve seat; 41. a sealing surface; 42. an insertion portion; 43. a limiting part; 5. a baffle plate; 51. a limiting table; 6. a C-shaped valve core; 61. a valve spherical surface; 7. a wear sleeve; 71. a sleeve body; 72. a flange; 8. a valve stem; 9. a gland; 10. a support; 11. pressing the valve seat; 111. a groove; 112. a protrusion; 12. a spring; 13. a seal ring; 14. and (4) edge flanges.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings.
Examples
This embodiment provides a can bottom discharge valve, as shown in fig. 1-2, comprising: the valve body 2 is provided with an inner cavity 21 and a discharge hole 23 communicated with the bottom of the inner cavity 21; the valve cover 3 is arranged at the top of the valve body 2 in a covering mode and is provided with a feeding hole 22 communicated with the inner cavity 21; the feed inlet 22 and the discharge outlet 23 are vertically opposite; a valve seat 4 which is arranged at the position of the feed port 22, is fixedly installed through a baffle plate 5 and is provided with a sealing surface 41 facing the inner cavity 21; a C-shaped valve core 6 which is rotatably arranged in the inner cavity 21 and is provided with a valve spherical surface 61; the C-shaped valve element 6 has a sealing position rotated to press the valve spherical surface 61 against the sealing surface 41 and a non-sealing position rotated to prevent the valve spherical surface 61 from contacting the sealing surface 41; the elastic extrusion structure is arranged at the position of the feed port 22 and is used for elastically extruding the valve seat 4, and when the C-shaped valve core 6 is at a sealing position, the sealing surface 41 is in fit contact with the valve spherical surface 61; wear-resisting sleeve 7 installs feed inlet 22 position, outer wall with valve gap 3 elasticity extrusion structure the laminating contact of disk seat 4 forms sealedly, and the middle part forms feedstock channel.
The tank bottoms discharge valve of this embodiment, wear-resisting sleeve 7 are installed in feed inlet 22 position, and it is sealed to form between outer wall and valve gap 3, elasticity extrusion structure, the disk seat 4, and the inner wall forms feedstock channel, both can prevent to get into the medium granule between disk seat 4 and the elasticity extrusion structure, avoids the switch bite, and sealed inefficacy can reduce again the medium to the washing away of disk seat 4, reduces cost of maintenance, the life of extension valve.
The wear-resistant sleeve 7 comprises a sleeve main body 71 and a flange 72 arranged at one end of the sleeve main body 71; the inner wall of the feed port 22 of the valve cover 3 is provided with a convex ring 31 which divides the inner wall of the feed port 22 into an outer annular surface 32 and an inner annular surface 33; the outer side surface of the flange 72 is provided with external threads, the outer ring surface 32 is provided with internal threads, and the flange 72 is in threaded connection with the outer ring surface 32; the inner wall of the convex ring 31 is in contact with the outer wall of the sleeve main body 71, and an installation space is formed between the outer wall of the sleeve main body 71 and the inner annular surface 33.
The valve seat 4 includes: an insertion portion 42 insertable into the installation space; a stopper 43 having an outer diameter larger than that of the insertion portion 42 and located inside the inner cavity 21; the baffle 5 comprises a limiting table 51, the baffle 5 is fixedly mounted on the valve cover 3, and the limiting table 51 is opposite to the valve cover 3 to form a limiting space for accommodating and limiting the limiting part 43, so that the valve seat 4 can only move up and down within a certain range.
The resilient compression structure is arranged between the collar 31 and the valve seat 4. The elastic pressing structure includes: a valve seat pressing sleeve 11 arranged between the valve seat 4 and the convex ring 31; a spring 12 disposed between the valve seat pressing sleeve 11 and the convex ring 31; and the sealing ring 13 is arranged between the valve seat pressing sleeve 11 and the valve seat 4 and is arranged close to the valve cover 3.
The end face of the valve seat 4 facing one end of the valve seat pressing sleeve 11 is provided with a groove 111 at a position close to the valve cover 3, a protrusion 112 is arranged at a corresponding position of the valve seat pressing sleeve 11, and the sealing ring 13 is arranged in the groove 111 and is extruded and fixed by the protrusion 112.
The top of the valve cover 3 is provided with a threaded hole for connecting with a flange of external equipment through a bolt; the depth of the feed channel is 1.5-2 times the bolt diameter of the edge flange 14, in this embodiment 1.5 times. The valve body 2 corresponding to the pressure born by the valve is a standard part, when the pressure born by the tank bottom valve is different, the specifications of the corresponding selected valve body 2 are different, and the diameter of the flange 14 is changed correspondingly.
The tank bottom discharge valve of this embodiment, feedstock channel's degree of depth is low, and the volume of feed inlet 22 positions is little, can reduce the valve because of closing for a long time, and the scale deposit crystallization that the material deposit leads to, and then can avoid tank bottom valve card to die.
A fixed shaft 1 is arranged on the inner wall of the left side of the inner cavity 21 of the valve body 2 and is used for being rotatably connected with the left side of the C-shaped valve core 6; and a valve rod 8 is arranged on the right side of the inner cavity of the valve body 2 through a gland 9 and is used for being rotatably connected with the right side of the C-shaped valve core 6.
The C-shaped valve core is characterized by further comprising an actuating mechanism, wherein the actuating mechanism is connected to the support 10 and drives the valve rod 8 to further drive the C-shaped valve core 6 to rotate. Valve body 2 inner chamber 21 is for leaking hopper-shaped, the inner wall of discharge gate 23 is smooth, and the internal diameter by big diminishing gradually.
The tank bottom discharge valve of this embodiment, medium granule rely on the action of gravity, run off completely, can not pile up the crystallization at the cavity in, have guaranteed the performance of valve, the life of extension valve.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a tank bottoms discharge valve, is suitable for the setting at the tank bottoms, its characterized in that: the method comprises the following steps:
the valve body (2) is provided with an inner cavity (21) and a discharge hole (23) communicated with the bottom of the inner cavity (21);
the valve cover (3) is covered on the top of the valve body (2) and is provided with a feeding hole (22) communicated with the inner cavity (21); the feed inlet (22) and the discharge outlet (23) are vertically opposite;
the valve seat (4) is arranged at the position of the feed port (22), is fixedly installed through a baffle plate (5), and is provided with a sealing surface (41) facing the inner cavity (21);
the C-shaped valve core (6) is rotatably arranged in the inner cavity (21) and is provided with a valve spherical surface (61); the C-shaped valve core (6) is rotated to a sealing position where the valve spherical surface (61) is pressed and sealed with the sealing surface (41) and rotated to a non-sealing position where the valve spherical surface (61) is not contacted with the sealing surface (41);
the elastic extrusion structure is arranged at the position of the feed port (22) and is used for elastically extruding the valve seat (4), and when the C-shaped valve core (6) is at a sealing position, the sealing surface (41) is in fit contact with the valve spherical surface (61);
wear-resisting sleeve (7), install feed inlet (22) position, the outer wall with valve gap (3) elasticity extrusion structure disk seat (4) laminating contact, it is sealed to form, and the middle part forms feedstock channel.
2. The can bottom discharge valve of claim 1, further comprising: the wear sleeve (7) comprises a sleeve body (71) and a flange (72) arranged at one end of the sleeve body (71);
a convex ring (31) is arranged on the inner wall of the feed port (22) of the valve cover (3) to divide the inner wall of the feed port (22) into an outer annular surface (32) and an inner annular surface (33);
the outer side surface of the flange (72) is provided with external threads, the outer annular surface (32) is provided with internal threads, and the flange (72) is in threaded connection with the outer annular surface (32); the inner wall of the convex ring (31) is in fit contact with the outer wall of the sleeve main body (71), and an installation space is formed between the outer wall of the sleeve main body (71) and the inner annular surface (33).
3. The can bottom discharge valve of claim 2, further comprising:
the valve seat (4) comprises:
an insertion portion (42) that can be inserted into the installation space;
a stopper (43) having an outer diameter larger than that of the insertion portion (42) and located inside the inner cavity (21);
baffle (5) are including spacing platform (51), baffle (5) fixed mounting back on valve gap (3), spacing platform (51) with valve gap (3) are relative, form and are used for holding and spacing space of spacing portion (43), make valve seat (4) can only be in certain extent up-and-down motion.
4. The can bottom discharge valve of claim 3, further comprising: the elastic pressing structure is arranged between the convex ring (31) and the valve seat (4).
5. The can bottom discharge valve of claim 4, further comprising: the elastic pressing structure includes:
the valve seat pressing sleeve (11) is arranged between the valve seat (4) and the convex ring (31);
a spring (12) arranged between the valve seat pressing sleeve (11) and the convex ring (31);
and the sealing ring (13) is arranged between the valve seat pressing sleeve (11) and the valve seat (4) and is close to the valve cover (3).
6. The can bottom discharge valve of claim 5, further comprising: the valve seat (4) faces the end face of one end of the valve seat pressing sleeve (11), a groove (111) is formed in the position close to the valve cover (3), a protrusion (112) is formed in the corresponding position of the valve seat pressing sleeve (11), and the sealing ring (13) is arranged in the groove (111) and is extruded and fixed by the protrusion (112).
7. The can bottom discharge valve of claim 2, further comprising: the top of the valve cover (3) is provided with a threaded hole for connecting with a flange of external equipment through a bolt; the depth of the feed channel is 1.5-2 times the bolt diameter of the edge flange (14).
8. The can bottom discharge valve of claim 2, further comprising: a fixed shaft (1) is arranged on the inner wall of the left side of the inner cavity (21) of the valve body (2) and is used for being rotatably connected with the left side of the C-shaped valve core (6);
and a valve rod (8) is arranged on the right side of the inner cavity of the valve body (2) through a gland (9) and is used for being rotatably connected with the right side of the C-shaped valve core (6).
9. The can bottom discharge valve of claim 8, further comprising: the C-shaped valve core is characterized by further comprising an actuating mechanism, wherein the actuating mechanism is connected to the support (10) and drives the valve rod (8) to further drive the C-shaped valve core (6) to rotate.
10. The can bottom discharge valve of claim 2, further comprising: valve body (2) inner chamber (21) are for leaking hopper-shaped, the inner wall of discharge gate (23) is smooth, and the internal diameter diminishes by big gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921508437.0U CN210423787U (en) | 2019-09-09 | 2019-09-09 | Tank bottom discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921508437.0U CN210423787U (en) | 2019-09-09 | 2019-09-09 | Tank bottom discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210423787U true CN210423787U (en) | 2020-04-28 |
Family
ID=70366738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921508437.0U Active CN210423787U (en) | 2019-09-09 | 2019-09-09 | Tank bottom discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210423787U (en) |
-
2019
- 2019-09-09 CN CN201921508437.0U patent/CN210423787U/en active Active
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