CN213017837U

CN213017837U - Tank bottom discharge valve

Info

Publication number: CN213017837U
Application number: CN202021757710.6U
Authority: CN
Inventors: 张鹏
Original assignee: Shanghai Jiteng Dynamo Electric Engineering Co ltd
Current assignee: Shanghai Jiteng Dynamo Electric Engineering Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-20
Anticipated expiration: 2030-08-21

Abstract

The utility model provides a tank bottom discharge valve, which comprises a valve body and a valve core; the valve body is hemispherical, an inlet is formed in the upper end of the valve body, an outlet is formed in the lower end of the valve body, a connecting flange is fixed to the upper end of the valve body around the inlet, a circle of sealing ring used for being in sealing fit with the valve core is fixedly embedded in the inner wall of the periphery of the connecting flange, and the valve core is disc-shaped; the two sides of the middle part of the valve body symmetrically rotate and penetrate through horizontal mandrels, connecting rods are respectively and vertically fixed at one ends of the two mandrels extending into the valve cavity of the valve body, the two connecting rods extend in the same direction and are respectively and vertically and fixedly connected with the valve core, and the valve core is parallel to the two mandrels and is positioned in the valve cavity of the valve body. The utility model can ensure clean discharge when in use, and avoid the material remaining in the valve cavity of the valve body; the disc-shaped valve core is always positioned in the valve cavity of the valve body, the situation that the valve core turns over into the charging bucket can not occur, and adverse effects on the internal structure of the charging bucket are effectively avoided.

Description

Tank bottom discharge valve

Technical Field

The utility model relates to relief valve technical field especially involves a tank bottoms relief valve.

Background

At present, a discharge port structure is usually arranged at the bottom of a storage tank for storing powder materials or slurry and the bottom of a reaction kettle, and a discharge valve is arranged on the discharge port structure for matching use. The existing tank bottom discharge valve has the following defects:

the discharge is not clean and is easy to have residues; the rotation of the plate-shaped valve core in the inner cavity of the valve body towards the tank easily affects the structural device in the tank.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a tank bottom discharge valve.

The utility model discloses a realize through following technical scheme:

the utility model provides a tank bottom discharge valve, which comprises a valve body and a valve core; the valve body is hemispherical, an inlet is formed in the upper end of the valve body, an outlet is formed in the lower end of the valve body, a connecting flange is fixed to the upper end of the valve body around the inlet, a circle of sealing ring used for being in sealing fit with the valve core is fixedly embedded in the inner wall of the periphery of the connecting flange, and the valve core is disc-shaped; the two sides of the middle part of the valve body symmetrically rotate and penetrate through horizontal mandrels, connecting rods are respectively and vertically fixed at one ends of the two mandrels extending into the valve cavity of the valve body, the two connecting rods extend in the same direction and are respectively and vertically and fixedly connected with the valve core, and the valve core is parallel to the two mandrels and is positioned in the valve cavity of the valve body.

Preferably, the inlet and the outlet are respectively communicated with a valve cavity of the valve body.

Preferably, shaft seats which are in a pipe sleeve shape and are horizontally arranged are symmetrically and fixedly penetrated through two sides of the middle part of the valve body, and the two mandrels correspondingly penetrate through the two shaft seats and are respectively and correspondingly and hermetically connected with the two shaft seats in a rotating manner.

Preferably, each mandrel and the corresponding shaft seat are sealed by a sealing filler, and the sealing filler is filled in a gap between each mandrel and the corresponding shaft seat.

Preferably, one end of each mandrel, which is exposed out of the corresponding shaft seat, is fixedly sleeved with a limiting cover, and one end of each mandrel, which extends into the valve cavity of the valve body, is fixedly sleeved with a limiting sleeve; and one ends of the two connecting rods, which are far away from the valve core, are respectively fixedly connected with the limiting sleeves on the two core shafts.

Preferably, one end of one of the mandrels, which is exposed outside the corresponding shaft seat, is fixedly connected with a rotating handle, and the rotating handle is perpendicular to the mandrel.

In the embodiment, the utility model can ensure clean discharge when in use, and avoid the material remaining in the valve cavity of the valve body; the disc-shaped valve core is always positioned in the valve cavity of the valve body, the situation that the valve core turns over into the charging bucket can not occur, and adverse effects on the internal structure of the charging bucket are effectively avoided.

Drawings

FIG. 1 is a schematic diagram of a side view structure of a tank bottom discharge valve provided by an embodiment of the present invention;

fig. 2 is a schematic view of a tank bottom discharge valve in a top view structure provided by the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to facilitate understanding of the tank bottom discharge valve provided by the embodiments of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, fig. 1 is a schematic side view of a tank bottom discharge valve provided in an embodiment of the present invention.

As shown in figure 1, the tank bottom discharge valve comprises a valve body 1 and a valve core 2; wherein, the valve body 1 is in a hemispherical shape, and the valve core 2 is in a circular plate shape. The upper end of the valve body 1 is provided with an inlet, the lower end of the valve body is provided with an outlet, and the inlet and the outlet are respectively communicated with the valve cavity of the valve body 1. The upper end of the valve body 1 is surrounded the inlet and is fixed with a connecting flange 3, and the connecting flange 3 is fixedly welded with the discharge hole of the charging bucket. The upper end of the valve body 1 is positioned at the inlet and is provided with a circle of connecting convex edge in a surrounding way, and the connecting flange 3 is fixedly connected with the connecting convex edge through screws.

With reference to fig. 1, a circle of sealing ring 4 for sealing engagement with the valve element 2 is fixedly embedded on the inner wall of the periphery of the connecting flange 3, the valve element 2 is in a circular plate shape, the side wall of the periphery of the valve element 2 is in sealing engagement with the sealing ring 4, and the circular plate-shaped valve element 2 is used for sealing the inlet at the upper end of the valve body 1. The side wall of the periphery of the valve core 2 is arranged to be an inclined plane, and when the valve is closed, the valve core and a sealing ring 4 embedded on the inner wall of the periphery of the connecting flange 3 realize good sealing. The valve core 2 and the sealing ring 4 can be both made of hard metal materials with high density.

Continuing to refer to fig. 1 and combining fig. 2, fig. 2 is the utility model provides a tank bottoms relief valve overlook the structure schematic diagram, 1 middle part bilateral symmetry of valve body rotates and runs through horizontally dabber 5, two dabber 5 extend to the one end in the valve pocket of valve body 1 vertical fixation respectively have connecting rod 6, two connecting rod 6 syntropy extend and link firmly with case 2 is perpendicular respectively, case 2 is on a parallel with two dabber 5 and is located the valve pocket of valve body 1, case 2 moves about in the valve pocket of valve body 1, can not exert an influence to the device structure in the material jar.

With reference to fig. 1 and 2, shaft seats 7 are symmetrically and fixedly penetrated through two sides of the middle of the valve body 1, wherein the shaft seats are in a pipe sleeve shape and are horizontally arranged, and the two mandrels 5 correspondingly penetrate through the two shaft seats 7 and are respectively in corresponding sealed rotary connection with the two shaft seats 7. Each spindle 5 and the corresponding spindle seat 7 are sealed by a sealing packing filled in a gap between each spindle 5 and the corresponding spindle seat 7. The sealing filler is used by a valve in the prior art and is filled in a gap between the mandrel 5 and the corresponding shaft seat 7 so as to realize sealing when the mandrel 5 rotates relative to the shaft seat 7.

In order to prevent the filled sealing filler from leaking, a limiting cover 8 is fixedly sleeved at one end of each mandrel 5 exposed outside the corresponding shaft seat 7, the limiting cover 8 is a pipe sleeve-shaped structure with a limiting end, the limiting end of the limiting cover 8 is limited outside the shaft seat 7, and the pipe sleeve-shaped structure of the limiting cover 8 is inserted into the shaft seat 7 in a spiral screwing mode or a fixed splicing mode so as to prevent the sealing filler from leaking to the outer side of the valve body 1. And a limiting sleeve 9 is fixedly sleeved at one end of each mandrel 5 extending into the valve cavity of the valve body 1, one end of each mandrel 5 extending into the valve cavity of the valve body 1 is exposed outside the shaft seat 7, and the limiting sleeve 9 is fixedly sleeved at the end of each mandrel 5 to prevent the sealing filler from leaking into the valve cavity of the valve body 1.

In the embodiment, one ends of the two connecting rods 6 far away from the valve core 2 are fixedly connected with the limiting sleeves 9 on the two mandrels 5 respectively. In addition, one end of one of the mandrels 5 exposed outside the corresponding shaft seat 7 is fixedly connected with a rotating handle 10, the rotating handle 10 is perpendicular to the mandrel 5, and the rotating handle 10 is fixed outside a limiting cover 8 sleeved on the mandrel 5. When the rotating handle 10 is connected to the mandrel 5, a fastening bolt may be specifically used for fixing.

When the valve core 2 is used, the connecting flange 3 at the upper end of the valve body 1 is fixedly welded with the discharge hole of the material tank, so that the inlet of the valve body 1 corresponds to the discharge hole of the material tank, the mandrel 5 connected with the valve body 1 is driven to rotate by the rotating handle 10, and the valve core 2 is correspondingly and fixedly connected with the two mandrels 5 by the two connecting rods 6, so that the two connecting rods 6, the valve core 2 and the other mandrel 5 rotate together; when the two connecting rods 6 rotate to be in a vertical state, namely to be in a state shown in figure 1, the valve core 2 and the sealing ring 4 on the inner wall of the connecting flange 3 realize sealing, the disc-shaped valve core 2 is in a horizontal state and seals the inlet at the upper end of the valve body 1, and at the moment, the hemispherical valve is closed; when the two connecting rods 6 rotate to be in a horizontal state, namely, when the two connecting rods 6 rotate to be in a state shown in fig. 2, the two connecting rods 6 are horizontally positioned at the side of the valve cavity of the valve body 1, the valve core 2 is vertically positioned at the side of the valve cavity of the valve body 1, an inlet at the upper end of the valve body 1 is opened, materials in the material tank sequentially pass through a discharge port of the material tank and an inlet of the valve body 1, then the materials pass through the valve cavity of the valve body 1 and are discharged through an outlet at the lower end of the valve body 1, in the whole discharging process, the two connecting rods 6 and the valve core 2 cannot block the materials, smooth discharging is ensured, the valve body 1 is hemispherical, the valve cavity of the valve body 1 is correspondingly hemispherical, discharging materials are arranged at the lower end of the valve body; in addition, in the above description, it is also difficult to find that the disc-shaped valve core 2 is always located in the valve cavity of the valve body 1, so that the situation that the valve core 2 is turned over into the charging bucket does not occur, and the adverse effect on the internal structure of the charging bucket is effectively avoided.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A tank bottom discharge valve, comprising: a valve body and a valve core; the valve body is hemispherical, an inlet is formed in the upper end of the valve body, an outlet is formed in the lower end of the valve body, a connecting flange is fixed to the upper end of the valve body around the inlet, a circle of sealing ring used for being in sealing fit with the valve core is fixedly embedded in the inner wall of the periphery of the connecting flange, and the valve core is disc-shaped; the two sides of the middle part of the valve body symmetrically rotate and penetrate through horizontal mandrels, connecting rods are respectively and vertically fixed at one ends of the two mandrels extending into the valve cavity of the valve body, the two connecting rods extend in the same direction and are respectively and vertically and fixedly connected with the valve core, and the valve core is parallel to the two mandrels and is positioned in the valve cavity of the valve body.

2. A tank bottom discharge valve according to claim 1, characterised in that said inlet and said outlet are each in communication with a valve chamber of said valve body.

3. The tank bottom discharge valve according to claim 1, wherein said valve body has two horizontally disposed pipe-sleeve-shaped shaft seats symmetrically disposed on two sides of the middle portion, and said two mandrels are correspondingly disposed through said two shaft seats and respectively connected to said two shaft seats in a sealing manner.

4. The can bottom discharge valve of claim 3, wherein each mandrel and corresponding axle seat are sealed by a sealing filler that fills a gap between each mandrel and corresponding axle seat.

5. The tank bottom discharge valve according to claim 4, wherein a limit cap is fixedly sleeved on one end of each mandrel exposed outside the corresponding shaft seat, and a limit sleeve is fixedly sleeved on one end of each mandrel extending into the valve cavity of the valve body; and one ends of the two connecting rods, which are far away from the valve core, are respectively fixedly connected with the limiting sleeves on the two core shafts.

6. The tank bottom discharge valve according to claim 5, wherein a rotating handle is fixedly connected to one end of one of said mandrels exposed outside of the corresponding shaft seat, said rotating handle being arranged perpendicular to said mandrel.