CN210344372U

CN210344372U - Pot cover adjusting valve

Info

Publication number: CN210344372U
Application number: CN201921066798.4U
Authority: CN
Inventors: 王学政; 陈小鸣; 周健; 王依立; 苏醒
Original assignee: Zhejiang Same General Automatic Control Equipment Ltd By Share Ltd
Current assignee: Zhejiang Same General Automatic Control Equipment Ltd By Share Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-17
Anticipated expiration: 2029-07-09

Abstract

The utility model relates to the technical field of valves, especially, relate to an adjust pot cover valve, including actuating mechanism and adjustment mechanism, the actuator mechanism include support, motor, speed reducer and power, the speed reducer is connected with the motor, actuating mechanism passes through the support mounting on the valve body, and motor and power intercommunication, output shaft and the valve rod of speed reducer between have the shaft coupling, the output shaft of speed reducer stretches into the valve gap to be connected with the valve rod through the shaft coupling and be located the valve body, the one end and the ball valve of valve rod are connected, the other end and the coupling joint of valve rod, actuating mechanism passes through the valve rod and drives the ball valve rotation, shaft coupling and valve gap between form first annular inner groovy, first annular inner groovy be located the neck of valve gap, first annular inner groovy on be equipped with filler sealing mechanism. The utility model discloses an optimize filler and packing structure's part, improved holistic leakproofness.

Description

Pot cover adjusting valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to an adjust pot cover valve.

Background

With the rise of the replacement cooking process of paper making pulping in recent years, the pot cover valve installed at the feed inlet of the cooking pot is widely applied, belongs to the ball valve class, realizes automatic material filling by the application of the pot cover valve, and greatly improves the efficiency of material filling.

The existing pot cover valve is composed of a valve body, a ball valve, a valve rod, a valve seat and the like, and particularly when the pot cover valve is specially used for opening and closing a cooking pot, the sealing effect between an actuating mechanism and an adjusting mechanism at the position of the neck of the pot cover is not ideal; disk seat and ball valve contact all the time, and wearing and tearing are bigger, the life-span is short, can not be applied to the boiling pan well to influence the work efficiency of boiling pan, to these problems, the utility model provides an adjust pot cover valve.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a: an adjusting pot cover valve.

The utility model adopts the technical proposal that: an adjusting pot cover valve comprises an actuating mechanism and an adjusting mechanism, wherein the adjusting mechanism comprises a valve body, a ball valve, a shaft sleeve, a valve rod, a valve seat and a valve cover, the valve cover is installed at the upper end of the valve body, the ball valve is arranged in the valve body, the valve seat is installed at the lower end of the valve body, the actuating mechanism comprises a support, a motor, a speed reducer and a power supply, the speed reducer is connected with the motor, the actuating mechanism is installed on the valve body through the support, the motor is communicated with the power supply, a shaft coupling is arranged between an output shaft of the speed reducer and the valve rod, an output shaft of the speed reducer extends into the valve cover and is connected with the valve rod through the shaft coupling and positioned in the valve body, one end of the valve rod is connected with the ball valve, the other end of the valve rod is connected with the shaft coupling, the actuating mechanism drives, and a packing sealing mechanism is arranged on the first annular inner groove, so that the overall sealing performance is improved.

Preferably, the valve body is internally provided with a bearing, the shaft sleeve is arranged in the bearing, the lower section of the valve rod is arranged in the shaft sleeve, the upper section of the valve rod is connected with the coupler, and the first annular inner groove is arranged at the upper end of the shaft sleeve; the packing sealing mechanism comprises a V-shaped packing, an elastic piece, a packing gland, a metal gasket and a metal ring, wherein the metal ring is arranged on the V-shaped packing, the contact surface of the metal ring and the V-shaped packing is in a V shape, the V-shaped packing exerts axial pressure on the packing through acting on a fastening bolt, the metal ring is added between the packing due to the fact that the force applied to the packing is uneven, the V-shaped packing is divided into an upper packing part and a lower packing part through the metal ring, the bottom packing is effectively enabled to be even in stress, the sealing performance is good, the service life of the packing can be effectively prolonged, the metal gasket is in contact with the lower packing part, the packing gland is located at the upper end of the upper packing part, and the packing gland is installed on the valve cover through.

Preferably, an inner groove is formed in the packing gland, the elastic part is arranged in the inner groove, a packing pressing sleeve is arranged between the elastic part and the upper packing part and is in contact with the upper packing part, and elastic sealing compensation is realized through the elastic part by the packing pressing sleeve.

Preferably, the valve seat is provided with a supporting cover and a limiting screw, the supporting cover is arranged at the bottom of the valve seat through the limiting screw, and a sealing gasket is arranged at the abutting part of the supporting cover and the valve seat; the ball valve tightly covers with holding in the palm and is equipped with the tight piece of support between, holds in the palm tight piece and is located inside the valve body, and holds in the palm tightly and cover upper end and ball valve contact, the support tightly cover and have the sealing member, the tight piece of support be fixed in the valve body through the sealing member.

Preferably, the sealing element comprises a sealing seat, a bolt and a butterfly spring, a fixed shaft is arranged at the lower section of the bolt, the fixed shaft and the bolt are integrally formed, the sealing seat is connected with the supporting and tightening cover through the bolt, the fixed shaft on the bolt is abutted against the supporting and tightening block, and the butterfly spring is sleeved on the bolt and is positioned inside the sealing seat.

Preferably, a second annular inner groove is formed between the fixed shaft and the tightening cover, and a packing sealing mechanism is arranged on the second annular inner groove.

Preferably, the tail end of the lower section of the fixed shaft is provided with an arc-shaped block, the arc-shaped block and the fixed shaft are molded into a whole, and the arc surface on the arc-shaped block is in contact with the supporting block to form a linear seal. To sum up, the utility model discloses beneficial effect does:

1. the novel high-tightness coupler is characterized in that a first annular inner groove is formed between the coupler and the valve cover, the first annular inner groove is located at the neck of the valve cover, and a packing sealing mechanism is arranged on the first annular inner groove to improve the overall tightness.

2. The tight piece of support is equipped with between the tight lid of ball valve and support, and the tight piece of support is located inside the valve body, and holds in the palm tightly to cover upper end and ball valve contact, the support tightly cover and have the sealing member, the tight piece of support be fixed in the valve body through the sealing member in, the tight piece of support that adds makes disk seat and ball valve not direct contact in this design, has increased the life of ball valve.

The present invention will be further explained with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure A of the present invention shown in FIG. 1;

fig. 3 is an enlarged view of the structure B of the present invention shown in fig. 1.

The labels in the figure are: the ball valve comprises a valve body 1, a ball valve 2, a shaft sleeve 3, a valve seat 4, a valve cover 5, a support 6, a motor 7, a speed reducer 8, a coupling 9, a valve rod 10, a first annular inner groove 11, a packing sealing mechanism 12, a bearing 13, a V-shaped packing 15, an elastic piece 16, a metal gasket 17, a metal ring 18, a packing gland 19, a holding cover 20, a limiting screw 21, a fastening bolt 22, a sealing gasket 23, a holding block 24, a sealing piece 25, a second annular inner groove 26, an O-shaped ring 221, an upper packing part 151, a lower packing part 152, an output shaft 81, an inner groove 191, a packing pressing sleeve 192, a sealing seat 251, a butterfly spring 252, a bolt 253, a fixed shaft 254 and an arc-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.

As shown in fig. 1 to fig. 3, fig. 2 is an enlarged view of the structure a of the present invention in fig. 1, the structure a is a schematic view of a packing sealing mechanism, fig. 3 is an enlarged view of the structure B of the present invention in fig. 1, the structure B is a schematic view of a sealing member, an adjusting pot cover valve comprises an actuating mechanism and an adjusting mechanism, the adjusting mechanism comprises a valve body 1, a ball valve 5, a shaft sleeve 6, a valve rod 10, a valve seat 4 and a valve cover 5, the valve cover 5 is mounted on the upper end of the valve body 1, the ball valve 2 is disposed in the valve body 1, the valve seat 4 is mounted at the lower end of the valve body 1, the actuating mechanism drives the ball valve 2 to rotate through the valve rod 10 to control the ball valve 2, so as to open or close a fluid passage, the actuating mechanism comprises a bracket 6, a motor 7, a speed reducer 8 and a power supply, the motor 7 is communicated with the power supply, the surface of the speed reducer 8 is vertical to the surface of the valve body 1, a bevel gear is arranged on the speed reducer 8, the speed reducer 8 is connected with a motor 7 through the bevel gear, the speed reducer 8 is installed on the valve cover 5 through a support 6, a coupler 9 is arranged between an output shaft 81 of the speed reducer 8 and a valve rod 10, the output shaft 81 of the speed reducer 8 extends into the valve cover 5 and is connected with the upper section of the valve rod 41 through the coupler 9 to be positioned in the valve body 1, the lower section of the valve rod 10 is connected with a ball valve 2, the upper section of the valve rod 10 is connected with the coupler 9, a first annular inner groove 11 is formed between the coupler 9 and the valve cover 5, the first annular inner groove 11 is positioned at the neck of the valve cover 5, a bearing 13 is arranged in the valve body 1, the shaft sleeve 3 is arranged in the bearing 13, the lower section of the valve rod 10 is arranged in the shaft sleeve 3, and, in order to improve the sealing performance at the neck of the valve cover 5, the design is provided with a packing sealing mechanism 12 on the first annular inner groove 11.

The packing sealing mechanism 12 comprises a V-shaped packing 15, an elastic part 16, a packing gland 19, a metal gasket 17 and a metal ring 18, wherein the metal ring 18 is arranged on the V-shaped packing 15, the contact surface of the metal ring 18 and the V-shaped packing 15 is in a V shape, the V-shaped packing 15 applies axial pressure to a packing part through acting on a fastening bolt, the metal ring 18 is added on the packing part due to uneven force applied to the packing part, the V-shaped packing 15 is divided into an upper packing part 151 and a lower packing part 152 through the metal ring 18, so that the lower packing part 152 is effectively stressed uniformly, the sealing performance is good, the service life of the packing can be effectively prolonged, the metal gasket 17 is in contact with the lower packing part 152, the packing gland 19 is positioned at the upper end of the upper packing part 151, the packing gland 19 is provided with a groove 191, the inner groove 191 is used for installing the elastic part 16, and the elastic part 16 is a spring in the design, the elastic part 16 is arranged in the inner groove 191, a packing pressing sleeve 192 is arranged between the elastic part 16 and the upper packing part 151, the packing pressing sleeve 192 is in contact with the upper packing part 151, elastic sealing compensation is realized by the packing pressing sleeve 192 through the elasticity of the elastic part 16, the packing gland 19 is installed on the valve cover 5 through a fastening bolt 22 in a threaded connection mode, and an O-shaped ring 221 is sleeved on the fastening bolt 22.

The valve seat 4 is provided with a supporting cover 20, the supporting cover 20 is arranged at the bottom of the valve seat 4, a sealing gasket 23 is arranged between the valve seat 4 and the supporting cover 20, the sealing gasket 23 is arranged at the abutting part of the supporting cover 20 and the valve seat 4, the supporting cover 20 mainly plays a dustproof role, and the supporting cover 20 is arranged on the valve seat 4 through a limiting screw 21 in a threaded connection manner; in order to prevent the valve seat 4 from directly contacting the ball valve 2 and prolong the service life of the ball valve 2, a holding block 24 is arranged between the ball valve 2 and the holding cover 20, the holding block 24 is positioned inside the valve body 1, the upper end of the holding block 24 contacts the ball valve 2, a sealing member 25 is arranged on the holding cover 20, the sealing member 25 comprises a sealing seat 251, a bolt 253 and a butterfly spring 252, the holding block 24 is arranged in the valve body 1 through the bolt 253, a fixing shaft 254 is arranged on the lower section of the bolt 253, the fixing shaft 254 is integrally formed with the bolt 253, the sealing seat 251 is connected with the holding cover 20 through the bolt 253, the sealing seat 251 is positioned on the upper section of the bolt 253, an arc block 255 is arranged at the tail end of the lower section of the fixing shaft 254, the arc block 255 is integrally formed with the fixing shaft 254, and the arc surface on the arc block 255 contacts the holding block 24 to form a linear seal, the sealing effect is increased by reducing the area between the supporting blocks 24 by the sealing element 25, the butterfly spring 252 is sleeved on the bolt 253 and is positioned in the sealing seat 251, when the ball valve 2 presses the supporting blocks 24 in a working state, a compensatory regulation effect can be achieved through the butterfly spring 252, the second annular inner groove 26 is formed between the fixing shaft 254 and the supporting cover 20, the packing sealing mechanism 12 which is the same as the first annular inner groove 11 is arranged on the second annular inner groove 26, and the sealing performance of the supporting cover 20 is improved.

The working principle is as follows: the pot cover valve works through the actuating mechanism, the supporting and tightening block 24 can avoid direct contact between the ball valve 2 and the valve seat 4, the service life is prolonged, and the sealing element 25 and the packing sealing mechanism 12 which are additionally arranged in the design ensure the sealing performance on the adjusting mechanism.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification that utilizes the inventive concept is intended to be within the scope of the present patent application.

Claims

1. The utility model provides an adjust pot cover valve, including actuating mechanism and adjustment mechanism, adjustment mechanism installs in valve body (1) upper end including valve body (1), ball valve (2), axle sleeve (3), disk seat (4), valve rod (10) and valve gap (5), ball valve (2) set up in valve body (1), disk seat (4) installation position in valve body (1) lower extreme, its characterized in that: the actuating mechanism comprises a support (6), a motor (7), a speed reducer (8) and a power supply, the speed reducer (8) is connected with the motor (7), the actuating mechanism is installed on the valve body (1) through the support (6), the motor (7) is communicated with the power supply, a coupler (9) is arranged between an output shaft (81) of the speed reducer (8) and a valve rod (10), the output shaft (81) of the speed reducer (8) extends into the valve cover (5) and is connected with the valve rod (10) through the coupler (9) and located in the valve body (1), one end of the valve rod (10) is connected with the ball valve (2), the other end of the valve rod (10) is connected with the coupler (9), the actuating mechanism drives the ball valve (2) to rotate through the valve rod (10), a first annular inner groove (11) is formed between the coupler (9) and the valve cover (5), and the first annular inner groove (11) is located at the neck of the valve cover (5), and a packing sealing mechanism (12) is arranged on the first annular inner groove (11).

2. An adjustable lid valve as defined in claim 1, wherein: the valve body (1) is internally provided with a bearing (13), the shaft sleeve (3) is arranged in the bearing (13), the lower section of the valve rod (10) is arranged in the shaft sleeve (3), the upper section of the valve rod (10) is connected with the coupler (9), and the first annular inner groove (11) is arranged at the upper end of the shaft sleeve (3); packing sealing mechanism (12) is including V type packing (15), elastic component (16), gland (19), metal gasket (17) and becket (18), becket (18) set up on V type packing (15), becket (18) is V type with the contact surface of V type packing (15), V type packing (15) divide into packing portion (151) and lower packing portion (152) through becket (18), becket (17) and lower packing portion (152) contact, gland (19) are located the upper end of packing portion (151), gland (19) install on valve gap (5) through threaded connection.

3. An adjustable lid valve as defined in claim 2, wherein: an inner groove (191) is formed in the packing gland (19), the elastic piece (16) is arranged in the inner groove (191), a packing pressing sleeve (192) is arranged between the elastic piece (16) and the upper packing part (151), and the packing pressing sleeve (192) is in contact with the upper packing part (151).

4. An adjustable lid valve as defined in claim 1, wherein: the valve seat (4) is provided with a supporting cover (20) and a limiting screw (21), the supporting cover (20) is arranged at the bottom of the valve seat (4) through the limiting screw (21), and a sealing gasket (23) is arranged at the abutting part of the supporting cover (20) and the valve seat (4); ball valve (2) and hold in the palm and tightly be equipped with between lid (20) and hold in the palm tight piece (24), hold in the palm tight piece (24) and be located valve body (1) inside, and hold in the palm tight lid (20) upper end and ball valve (2) contact, the support tightly cover (20) on have sealing member (25), the tight piece (24) of support be fixed in valve body (1) through sealing member (25).

5. An adjustable lid valve as defined in claim 4, wherein: the sealing element (25) comprises a sealing seat (251), a bolt (253) and a butterfly spring (252), a fixing shaft (254) is arranged at the lower section of the bolt (253), the fixing shaft (254) and the bolt (253) are integrally formed, the sealing seat (251) is connected with the supporting cover (20) through the bolt (253), the fixing shaft (254) on the bolt (253) is abutted against the supporting block (24), and the butterfly spring (252) is sleeved on the bolt (253) and is positioned inside the sealing seat (251).

6. An adjustable lid valve as defined in claim 5, wherein: a second annular inner groove (26) is formed between the fixed shaft (254) and the tightening cover (20), and a packing sealing mechanism (12) is arranged on the second annular inner groove (26).

7. An adjustable lid valve as defined in claim 5, wherein: the tail end of the lower section of the fixed shaft (254) is provided with an arc-shaped block (255), the arc-shaped block (255) and the fixed shaft (254) are integrally formed, and the arc surface on the arc-shaped block (255) is in contact with the supporting block (24) to form a linear seal.