CN210265970U

CN210265970U - High-temperature hard sealing ball valve

Info

Publication number: CN210265970U
Application number: CN201920926937.XU
Authority: CN
Inventors: 孙芳; 于玉霜
Original assignee: Nanjing Yupu Automation Equipment Co Ltd
Current assignee: Nanjing Yupu Automation Equipment Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-07
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a high temperature hard seal ball valve, including disk seat and valve ball, the valve ball rotates to be connected in the disk seat, the upper end fixedly connected with valve rod of valve ball, and the valve rod one end of keeping away from the valve ball extends to the upside of disk seat and is connected with the rotation knob, be provided with installation mechanism between rotation knob and the valve rod, a plurality of installation pieces that correspond with the valve ball of fixedly connected with in the disk seat, fixedly connected with triangle arc spare on the lateral wall of installation piece, the valve ball rotates with the lateral wall of triangle arc spare to be connected, the dovetail groove has been seted up on the lateral wall that the installation piece is relative with the valve ball, fixedly connected with spring on the dovetail groove inner wall, and the one end fixedly connected with rubber packing pad that the dovetail groove inner wall was kept away from. The utility model discloses can reduce the wearing and tearing of sealed face to behind high frequency time switch ball valve, can maintain original sealing performance, help the long-term use of ball valve.

Description

High-temperature hard sealing ball valve

Technical Field

The utility model relates to a ball valve technical field especially relates to a high temperature ball valve sealed firmly.

Background

The ball valve is one kind of valve, uses extensively, and the main characteristics of ball valve are that itself compact structure, reliability are high, easily operation and maintenance are applicable to general working medium such as water, solvent and natural gas, and still be applicable to the medium that multiple operating condition is abominable, are fit for using as ooff valve or trip valve.

Its sealing performance and circulation ability of ball valve are better and widely used, when its disk seat takes place the aversion under the contact repeatedly of spheroid in the current hard seal ball valve working process, the sealing performance variation between disk seat and the valve body, can't maintain original sealing performance, fluid easily leaks from the clearance between disk seat and the valve body, thereby influence the life of ball valve, in addition, after long-time the use, the condition of defective corruption can appear in the disk seat inner wall, and rotate the knob and expose in the air for a long time, receive the influence of external environment and the condition of damage appears easily, for this reason, we propose a high temperature hard seal ball valve and solve the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-temperature hard sealing ball valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-temperature hard sealing ball valve comprises a valve seat and a valve ball, wherein the valve ball is rotatably connected in the valve seat, the upper end of the valve ball is fixedly connected with a valve rod, and one end of the valve rod far away from the valve ball extends to the upper side of the valve seat and is connected with a rotating knob, an installation mechanism is arranged between the rotating knob and the valve rod, a plurality of mounting blocks corresponding to the valve balls are fixedly connected in the valve seat, triangular arc-shaped pieces are fixedly connected on the side walls of the mounting blocks, the valve ball is rotatably connected with the side wall of the triangular arc-shaped part, a trapezoidal groove is arranged on the side wall of the mounting block opposite to the valve ball, a spring is fixedly connected on the inner wall of the trapezoidal groove, and one end of the spring far away from the inner wall of the trapezoidal groove is fixedly connected with a rubber sealing gasket, and the valve ball is rotationally connected with the outer side wall of the rubber sealing gasket, the left side wall and the right side wall of the valve seat are respectively provided with a water inlet and a water outlet, and corrosion-resistant mechanisms are respectively connected in the water inlet and the water outlet.

Preferably, the mounting mechanism comprises a gantry support fixedly connected to the upper end of the valve seat, a through hole corresponding to the valve rod is formed in the upper end of the gantry support, a connecting piece is fixedly connected in the through hole, the upper end of the valve rod is fixedly connected with the lower end face of the connecting piece, a cross groove is formed in the upper end of the connecting piece, a cross piece connected with the cross groove in a matched mode is arranged at the lower end of the rotating knob, a plurality of threaded holes communicated with the cross groove are formed in the side wall of the connecting piece, and fastening bolts abutted against the cross piece are connected to the threaded holes in a threaded mode.

Preferably, the one end of triangle arc spare is provided with the arcwall face of being connected with the valve ball, triangle arc spare includes solid piece and wearing layer, wear-resisting ceramic material is chooseed for use to the wearing layer, and the wearing layer equipartition parcel is in the outside of solid piece.

Preferably, the corrosion-resistant mechanism comprises T-shaped barrels fixedly connected to a water inlet and a water outlet of the valve seat respectively, each T-shaped barrel comprises a horizontal end and a vertical end, the vertical ends of the two T-shaped barrels extend into the water inlet and the water outlet respectively, an anti-corrosion layer is arranged on the inner wall of the vertical end of each T-shaped barrel, and the anti-corrosion layer is made of high-temperature anti-corrosion nano composite ceramic paint.

Preferably, the horizontal ends of the two T-shaped barrels are respectively and correspondingly arranged at the outer sides of the water inlet and the water outlet of the valve seat, and the T-shaped barrels are fixedly connected with the side wall of the valve seat through a plurality of bolts.

Preferably, the outer side wall of the valve seat is fixedly sleeved with a flange corresponding to the water inlet and the water outlet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the rotary knob is in the long-term use process, because the rotary knob is exposed outside, the influence of the external environment is easily received, and the damage condition is easily caused.

2. Through a plurality of installation pieces of fixedly connected with in the disk seat to fixedly connected with triangle arc spare on the lateral wall of installation piece, and interval between the relative triangle arc spare is greater than the diameter of open-ended on the valve ball lateral wall, and then has improved sealed effect, in addition, uses under the cooperation of a plurality of rubber packing pads and spring, further improves sealed effect, and the influence of reducing wear to the valve ball helps the long-term use of ball valve.

Drawings

Fig. 1 is a schematic structural view of a high-temperature hard seal ball valve provided by the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a top view of the connecting member of the high-temperature hard seal ball valve provided by the present invention.

In the figure: the valve comprises a valve seat 1, a valve ball 2, a valve rod 3, a rotary knob 4, a mounting block 5, a triangular arc-shaped part 6, a spring 7, a rubber sealing gasket 8, a water inlet 9, a water outlet 10, a gantry support 11, a connecting piece 12, a cross-shaped groove 13, a fastening bolt 14, a solid block 15, a wear-resistant layer 16, a T-shaped bobbin 17, an anti-corrosion layer 18 and a flange 19.

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.

Referring to fig. 1-3, a high-temperature hard sealing ball valve comprises a valve seat 1 and a valve ball 2, the valve ball 2 is rotatably connected in the valve seat 1, the upper end of the valve ball 2 is fixedly connected with a valve rod 3, one end of the valve rod 3, far away from the valve ball 2, extends to the upper side of the valve seat 1 and is connected with a rotating knob 4, a mounting mechanism is arranged between the rotating knob 4 and the valve rod 3, specifically, the mounting mechanism comprises a gantry support 11 fixedly connected to the upper end of the valve seat 1, the upper end of the gantry support 11 is provided with a through hole corresponding to the valve rod 3, a connecting piece 12 is fixedly connected in the through hole, the upper end of the valve rod 3 is fixedly connected with the lower end face of the connecting piece 12, the upper end of the connecting piece 12 is provided with a cross groove 13, the lower end of the rotating knob 4 is provided with a cross piece connected with the cross groove 13 in a matching manner, the rotary knob 4 is easily influenced by the external environment and damaged due to the fact that the rotary knob is exposed outside in the long-term use process, the installation mechanism is arranged between the valve rod 3 and the rotary knob 4, the rotary knob 4 and the valve rod 3 are convenient to install and detach, the damaged rotary knob 4 can be replaced, the whole structure is prevented from being replaced, and the waste of resources is reduced.

Wherein, a plurality of mounting blocks 5 corresponding to the valve ball 2 are fixedly connected in the valve seat 1, a triangular arc-shaped part 6 is fixedly connected on the side wall of the mounting block 5, the valve ball 2 is rotatably connected with the side wall of the triangular arc-shaped part 6, one end of the triangular arc-shaped part 6 is provided with an arc-shaped surface connected with the valve ball 2, the triangular arc-shaped part 6 comprises a solid block 15 and a wear-resistant layer 16, the wear-resistant layer 16 is made of wear-resistant ceramic materials, and the wear-resistant layer 16 is uniformly coated on the outer side of the solid block 15, more specifically, the distance between the opposite triangular arc-shaped parts 6 is larger than the diameter of an opening on the side wall of the valve ball 2, so as to improve the sealing effect, a trapezoidal groove is arranged on the side wall of the mounting block 5 opposite to the valve ball 2, a spring 7 is fixedly connected on the inner wall of the trapezoidal groove, and a rubber sealing gasket 8 is fixedly, further improving the sealing effect, reducing the influence of abrasion on the ball valve 2 and being beneficial to the long-term use of the ball valve.

Wherein, the left and right side walls of the valve seat 1 are respectively provided with a water inlet 9 and a water outlet 10, the outer side wall of the valve seat 1 is fixedly sleeved with a flange 19 corresponding to the water inlet 9 and the water outlet 10, which is convenient for the connection of the ball valve with an external pipeline, the water inlet 9 and the water outlet 10 are respectively connected with a corrosion resistant mechanism, the corrosion resistant mechanism comprises a T-shaped bobbin 17 fixedly connected in the water inlet 9 and the water outlet 10 of the valve seat 1, respectively, the T-shaped bobbin 17 comprises a horizontal end and a vertical end, concretely, the horizontal ends of the two T-shaped bobbins 17 are respectively correspondingly arranged at the outer sides of the water inlet 9 and the water outlet 10 of the valve seat 1, and the T-shaped bobbin 17 is fixedly connected with the side wall of the valve seat 1 by a plurality of bolts, more specifically, the vertical ends of the two T-shaped bobbins 17 respectively extend into the water inlet 9 and the, and the anti-corrosion layer 18 is made of high-temperature anti-corrosion nano composite ceramic paint, and the corrosion resistance of the water inlet 9 and the water outlet 10 in the valve seat 1 can be enhanced by arranging the corrosion resistance mechanism, so that the corrosion and water leakage of the water inlet 9 and the water outlet 10 of the valve seat 1 after long-term use is reduced.

In the utility model, a plurality of mounting blocks 5 are fixedly connected in the valve seat 1, triangular arc-shaped pieces 6 are fixedly connected on the side walls of the mounting blocks 5, and the space between the opposite triangular arc-shaped pieces 6 is larger than the diameter of the opening on the side wall of the valve ball 2, so that the sealing effect is improved, in addition, under the matching use of a plurality of rubber sealing gaskets 8 and springs 7, the sealing effect is further improved, the influence of abrasion on the valve ball 2 is reduced, and the long-term use of the ball valve is facilitated; and the rotation knob 4 is in the long-term use, because it is exposed outside directly, receives the influence of external environment and the condition of damage appears easily, through be provided with installation mechanism between valve rod 3 and rotation knob 4, after the rotation knob 4 appears damaging, only need take off with the fastening bolt 14 that rotates knob 4 counterbalance, and then can change the rotation knob 4 of damage, avoid overall structure to change.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-temperature hard sealing ball valve comprises a valve seat (1) and a valve ball (2), and is characterized in that the valve ball (2) is rotatably connected in the valve seat (1), a valve rod (3) is fixedly connected to the upper end of the valve ball (2), one end, far away from the valve ball (2), of the valve rod (3) extends to the upper side of the valve seat (1) and is connected with a rotating knob (4), an installing mechanism is arranged between the rotating knob (4) and the valve rod (3), a plurality of installing blocks (5) corresponding to the valve ball (2) are fixedly connected in the valve seat (1), triangular arc-shaped pieces (6) are fixedly connected on the side walls of the installing blocks (5), the valve ball (2) is rotatably connected with the side walls of the triangular arc-shaped pieces (6), trapezoidal grooves are formed in the side walls, opposite to the valve ball (2), and springs (7) are fixedly connected on the inner walls of the trapezoidal grooves, and spring (7) keep away from one end fixedly connected with rubber packing pad (8) of dovetail groove inner wall, and valve ball (2) rotate with the lateral wall of rubber packing pad (8) and be connected, be provided with water inlet (9) and delivery port (10) on the lateral wall about disk seat (1) respectively, and be connected with corrosion-resistant mechanism in water inlet (9) and delivery port (10) respectively.

2. The high-temperature hard-sealing ball valve according to claim 1, wherein the mounting mechanism comprises a gantry support (11) fixedly connected to the upper end of the valve seat (1), a through hole corresponding to the valve rod (3) is formed in the upper end of the gantry support (11), a connecting piece (12) is fixedly connected in the through hole, the upper end of the valve rod (3) is fixedly connected with the lower end face of the connecting piece (12), a cross groove (13) is formed in the upper end of the connecting piece (12), a cross piece in fit connection with the cross groove (13) is arranged at the lower end of the rotating knob (4), a plurality of threaded holes communicated with the cross groove (13) are formed in the side wall of the connecting piece (12), and a fastening bolt (14) abutted to the cross piece is connected to the threaded holes in a threaded manner.

3. A high-temperature hard-sealing ball valve according to claim 1, wherein one end of the triangular arc-shaped member (6) is provided with an arc-shaped surface connected with the valve ball (2), the triangular arc-shaped member (6) comprises a solid block (15) and a wear-resistant layer (16), the wear-resistant layer (16) is made of wear-resistant ceramic material, and the wear-resistant layer (16) is uniformly wrapped on the outer side of the solid block (15).

4. A high-temperature hard-sealing ball valve according to claim 1, characterized in that the corrosion-resistant mechanism comprises T-shaped barrels (17) fixedly connected in the water inlet (9) and the water outlet (10) of the valve seat (1), respectively, the T-shaped barrels (17) comprise a horizontal end and a vertical end, the vertical ends of the two T-shaped barrels (17) extend into the water inlet (9) and the water outlet (10), respectively, the inner walls of the vertical ends of the T-shaped barrels (17) are provided with corrosion-resistant layers (18), and the corrosion-resistant layers (18) are made of high-temperature corrosion-resistant nano composite ceramic paint.

5. A high-temperature hard-sealing ball valve according to claim 4, characterized in that the horizontal ends of the two T-shaped barrels (17) are respectively and correspondingly arranged at the outer sides of the water inlet (9) and the water outlet (10) of the valve seat (1), and the T-shaped barrels (17) are fixedly connected with the side wall of the valve seat (1) through a plurality of bolts.

6. A high-temperature hard-sealing ball valve according to claim 1, characterized in that the outer side wall of the valve seat (1) is fixedly sleeved with a flange (19) corresponding to the water inlet (9) and the water outlet (10).