CN219570885U - Horizontal manual flange butterfly valve - Google Patents

Abstract

The utility model discloses a horizontal manual flange butterfly valve, which comprises: the top of the valve seat is provided with a driving mechanism; the inner chamber of disk seat is provided with the sealing mechanism who is used for disk seat inner wall to seal, and butterfly plate mechanism contains butterfly plate body, valve rod subassembly, spout, slide bar, second cross head and extension spring, and the butterfly plate body sets up in sealing mechanism's inner chamber, and the inner chamber sliding connection of slide bar and spout, the top slip interlude joint of valve rod subassembly and slide bar, the bottom of slide bar and the top slip interlude joint of the second cross head, and extension spring is fixed in between spout and the slide bar. According to the butterfly valve, the sealing mechanism and the butterfly plate mechanism are matched, so that the sliding rod of the butterfly valve stretches into the inner cavity of the butterfly plate body under the action of the extension spring, the butterfly plate body is convenient to disassemble and assemble, the butterfly plate body and the sealing mechanism are convenient to replace under the condition that the butterfly valve is aged through the arrangement of the sealing mechanism, and the service life of the flange type butterfly valve is prolonged.

Description

Horizontal manual flange butterfly valve

Technical Field

The utility model relates to the technical field of flange type butterfly valves, in particular to a horizontal manual flange type butterfly valve.

Background

The flange butterfly valve is characterized in that the flange is arranged on the valve, the flanges at the two ends of the valve are connected to the flange of the pipeline through bolts, and the driving mode can be manual, electric or pneumatic, and the flange butterfly valve has the advantages of novel structure, small overall size, light weight, rapid opening and closing, light and labor-saving operation and the like, the butterfly plate of the butterfly valve is arranged in the diameter direction of the pipeline, when the valve is opened, the disc-shaped butterfly plate rotates around the axis in the cylindrical channel of the valve body of the butterfly valve, the rotation angle is 0-90 degrees, and when the valve rotates to 90 degrees, the valve is in a completely opened state.

Although the use of current horizontal manual flange formula butterfly valve is simple and convenient, the butterfly valve is in long-term use, because the continuous friction of rubber of butterfly plate and disk seat inner wall, is easy to wear out or ageing after a long time, causes the laminating nature of butterfly plate and disk seat inner wall not enough, makes the closure of valve inseparable, and because current valve body and disk seat inner wall's rubber etc. are fixed structure, dismantle and change difficultly, make the life of butterfly valve limited.

Disclosure of Invention

The utility model aims to provide a horizontal manual flange type butterfly valve, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a horizontal manual flange butterfly valve, comprising:

the top of the valve seat is provided with a driving mechanism;

the inner cavity of the valve seat is provided with a sealing mechanism for sealing the inner wall of the valve seat, and the middle part of the valve seat is provided with a butterfly plate mechanism for opening and closing a butterfly valve;

the butterfly plate mechanism comprises a butterfly plate body, a valve rod assembly, a sliding groove, a sliding rod, a second cross head and an extension spring, wherein the butterfly plate body is arranged in an inner cavity of the sealing mechanism, the top of the valve rod assembly is arranged at the bottom of the driving mechanism, the sliding rod is in sliding connection with the inner cavity of the sliding groove, the valve rod assembly is in sliding insertion and clamping connection with the top of the sliding rod, the bottom of the sliding rod is in sliding insertion and clamping connection with the top of the second cross head, and the extension spring is fixed between the sliding groove and the sliding rod.

Preferably, the bottom of the second cross head is connected with the inner wall of the valve seat in a rotary penetrating way through a bearing, the sliding groove is formed in the middle of the butterfly plate body, and the bottom of the sliding rod is connected with the bottom of the inner wall of the valve seat in a sliding penetrating way.

Preferably, the valve rod assembly comprises a valve rod body and a first cross head, and the first cross head is fixed at the bottom end of the valve rod body.

Preferably, the bottom of valve rod body and the top slip interlude of butterfly plate body are connected, the bottom of first cross head and the top slip joint of slide bar, first cross head and extension spring's inner chamber slip interlude are connected.

Preferably, the sealing mechanism comprises a rubber ring and a plurality of positioning assemblies, the positioning assemblies are arranged on the outer wall of the rubber ring in an annular array, and the rubber ring is attached to the inner wall of the valve seat.

Preferably, the positioning assembly comprises a rubber block, a fixing ring and a screw rod, wherein the rubber block is fixed on the outer wall of the rubber ring, the fixing ring is fixedly inserted in the middle of the rubber block, and the screw rod is in threaded connection with the inner wall of the fixing ring.

Preferably, the top of disk seat is provided with the carrier block through the screw, the top of carrier block and actuating mechanism's bottom fixed connection.

The utility model has the technical effects and advantages that:

(1) The butterfly plate is characterized in that the butterfly plate body is provided with a sealing mechanism, a butterfly plate opening and closing mechanism is arranged on the butterfly plate opening and closing mechanism, and a butterfly plate opening and closing mechanism is arranged on the butterfly plate opening and closing mechanism;

(2) The utility model utilizes the arrangement mode of the first cross head and the second cross head, which is convenient for the valve rod body to drive the sliding rod to move, and simultaneously, the sliding rod drives the butterfly plate body to stably rotate, thereby being convenient for the butterfly plate body to seal the middle part of the valve seat and the like, and improving the practicability of the horizontal manual flange butterfly valve.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the overall front cross-sectional structure of the present utility model.

Fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present utility model.

In the figure: 1. a valve seat; 2. a sealing mechanism; 21. a rubber ring; 22. a positioning assembly; 221. a rubber block; 222. a fixing ring; 223. a screw; 3. a butterfly plate mechanism; 31. a butterfly plate body; 32. a valve stem assembly; 321. a valve stem body; 322. a first crosshead; 33. a chute; 34. a slide bar; 35. a second header; 36. a tension spring; 4. a driving mechanism; 5. and a bearing block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a horizontal manual flange butterfly valve as shown in fig. 1-3, comprising:

the top of the valve seat 1 is provided with a driving mechanism 4, and the driving mechanism 4 is an existing manual driving assembly;

the inner cavity of the valve seat 1 is provided with a sealing mechanism 2 for sealing the inner wall of the valve seat 1, the sealing mechanism 2 comprises a rubber ring 21 and a plurality of positioning assemblies 22, the positioning assemblies 22 are arranged on the outer wall of the rubber ring 21 in an annular array, the rubber ring 21 is attached to the inner wall of the valve seat 1, the sealing performance of the inner cavity of the valve seat 1 is convenient to improve, the positioning assemblies 22 comprise rubber blocks 221, fixing rings 222 and screw rods 223, the rubber blocks 221 are fixed on the outer wall of the rubber ring 21, the fixing rings 222 are made of metal materials, the fixing rings 222 are fixedly inserted in the middle parts of the rubber blocks 221, the fixing rings 222 are fixedly inserted into the inner wall of the valve seat 1 in a penetrating mode, the screw rods 223 are in threaded connection with the inner wall of the fixing rings 222, and the screw rods 223 are slidably inserted with the outer wall of the valve seat 1, so that the positions of the rubber rings 21 are convenient to fix;

the middle part of the valve seat 1 is provided with a butterfly plate mechanism 3 opened and closed by a butterfly valve, the butterfly plate mechanism 3 comprises a butterfly plate body 31, a valve rod assembly 32, a chute 33, a slide rod 34, a second crosshead 35 and an extension spring 36, the butterfly plate body 31 is arranged in an inner cavity of the sealing mechanism 2, the top of the valve rod assembly 32 is arranged at the bottom of the driving mechanism 4, the valve rod assembly 32 comprises a valve rod body 321 and a first crosshead 322, the first crosshead 322 is fixed at the bottom of the valve rod body 321, the valve rod body 321 and the first crosshead 322 are connected with the top of the valve seat 1 in a sliding penetrating manner, the bottom of the valve rod body 321 is connected with the top of the butterfly plate body 31 in a sliding penetrating manner, and one end opposite to the first crosshead 322 and the second crosshead 35 is in a cross structure so as to drive the slide rod 34 to stably rotate;

the sliding groove 33 is formed in the middle of the butterfly plate body 31, the bottom of the sliding rod 34 is connected with the bottom of the inner wall of the valve seat 1 in a sliding and penetrating mode, the sliding rod 34 is connected with the inner cavity of the sliding groove 33 in a sliding and penetrating mode, the valve rod assembly 32 is connected with the top of the sliding rod 34 in a sliding and penetrating mode, the bottom of the sliding rod 34 is connected with the top of the second U-shaped head 35 in a sliding and penetrating mode through a bearing, the bottom of the first U-shaped head 322 is connected with the top of the sliding rod 34 in a sliding and penetrating mode, the first U-shaped head 322 is connected with the inner cavity of the extension spring 36 in a sliding and penetrating mode, the extension spring 36 is fixed between the sliding groove 33 and the sliding rod 34, after the first U-shaped head 322 leaves the top of the sliding rod 34, the bottom of the extension spring 36 is contained in the inner cavity of the sliding groove 33, the sliding rod 34 does not influence the sliding and is fixedly connected with limiting blocks on the two sides of the sliding rod 34, and the sliding rod 33 in a sliding and penetrating mode, and the first U-shaped head 322 can drive the sliding rod 34 to rotate stably;

the top of disk seat 1 is provided with carrier block 5 through the screw, and the bottom of carrier block 5 is provided with sealed pad, and the top of carrier block 5 and the bottom fixed connection of actuating mechanism 4 are convenient for improve actuating mechanism 4's stability, and the valve rod subassembly 32 rotates the interlude with the inner chamber of carrier block 5 and is connected, is convenient for improve the practical stability in valve rod subassembly 32 position.

The working principle of the utility model is as follows:

during the use, through actuating mechanism 4, be convenient for valve rod body 321 can rotate steadily, make its first cross head 322 enable slide bar 34 drive butterfly plate body 31 and stabilize and rotate, be convenient for butterfly plate body 31 carries out valve operations such as seal to disk seat 1's middle part, when demolish change to butterfly plate body 31 etc. because of ageing needs, make it can dismantle actuating mechanism 4 through demolising the screw on the carrier block 5, be convenient for valve rod body 321 can demolish, make valve rod body 321 can slide out the top of butterfly plate body 31, make its slide bar 34 stretch into the inner chamber of butterfly plate body 31 under the effect of extension spring 36, make it not influence butterfly plate body 31 follow the inner chamber roll-off of rubber circle 21, be convenient for dismantle butterfly plate body 31, and demolish through screw 223, make the dismouting of its rubber circle 21 convenient for change butterfly plate body 31 and rubber circle 21 under the butterfly valve ageing condition, improve flange butterfly valve's life.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. A horizontal manual flange butterfly valve, comprising:

a valve seat (1) with a drive mechanism (4) arranged at the top;

the method is characterized in that: the inner cavity of the valve seat (1) is provided with a sealing mechanism (2) for sealing the inner wall of the valve seat (1), and the middle part of the valve seat (1) is provided with a butterfly plate mechanism (3) for opening and closing a butterfly valve;

the butterfly plate mechanism (3) comprises a butterfly plate body (31), a valve rod assembly (32), a sliding groove (33), a sliding rod (34), a second cross head (35) and an extension spring (36), wherein the butterfly plate body (31) is arranged in an inner cavity of the sealing mechanism (2), the top of the valve rod assembly (32) is arranged at the bottom of the driving mechanism (4), the sliding rod (34) is in sliding connection with the inner cavity of the sliding groove (33), the valve rod assembly (32) is in sliding insertion and clamping connection with the top of the sliding rod (34), the bottom of the sliding rod (34) is in sliding insertion and clamping connection with the top of the twenty-first (35), and the extension spring (36) is fixed between the sliding groove (33) and the sliding rod (34).

2. The horizontal manual flange butterfly valve according to claim 1, wherein the bottom of the second cross head (35) is connected with the inner wall of the valve seat (1) in a rotating and penetrating manner through a bearing, the sliding groove (33) is formed in the middle of the butterfly plate body (31), and the bottom of the sliding rod (34) is connected with the bottom of the inner wall of the valve seat (1) in a sliding and penetrating manner.

3. The horizontal manual flange butterfly valve of claim 1, wherein the valve stem assembly (32) includes a valve stem body (321) and a first cross head (322), the first cross head (322) being secured to a bottom end of the valve stem body (321).

4. A horizontal manual flange butterfly valve according to claim 3, wherein the bottom of the valve rod body (321) is slidably inserted into the top of the butterfly plate body (31), the bottom of the first cross head (322) is slidably clamped to the top of the slide rod (34), and the first cross head (322) is slidably inserted into the inner cavity of the tension spring (36).

5. The horizontal manual flange butterfly valve according to claim 1, wherein the sealing mechanism (2) comprises a rubber ring (21) and a plurality of positioning assemblies (22), the plurality of positioning assemblies (22) are arranged on the outer wall of the rubber ring (21) in an annular array, and the rubber ring (21) is attached to the inner wall of the valve seat (1).

6. The horizontal manual flange type butterfly valve according to claim 5, wherein the positioning assembly (22) comprises a rubber block (221), a fixing ring (222) and a screw rod (223), the rubber block (221) is fixed on the outer wall of the rubber ring (21), the fixing ring (222) is fixedly inserted into the middle of the rubber block (221), and the screw rod (223) is in threaded connection with the inner wall of the fixing ring (222).

7. The horizontal manual flange butterfly valve according to claim 1, wherein a bearing block (5) is arranged at the top of the valve seat (1) through a screw, and the top of the bearing block (5) is fixedly connected with the bottom of the driving mechanism (4).