CN219035620U - A ball valve with good sealing effect - Google Patents

Abstract

The utility model relates to the technical field of ball valves, in particular to a ball valve with good sealing effect. The connection port, the inner side and the bottom of the first connection port are provided with a rotating groove, the first mounting frame is installed on the rotating groove, and the top of the first mounting frame is embedded in the inner side of the first connecting port through a rotating rod And in the rotating groove at the bottom, the utility model sets the installation sleeve as two sections of sleeves for splicing. The chute connection, the splicing of two sections of casing, is spliced with the connection hole on the splicing frame by using the thread of the connecting bolt, so as to facilitate the disassembly and assembly of the installation casing and the valve body. When there is a leakage problem, quickly install the casing and The internal valve body is overhauled and replaced.

Description

A ball valve with good sealing effect

technical field

The utility model relates to the technical field of ball valves, in particular to a ball valve with good sealing effect.

Background technique

The ball valve seals the ball valve through the cooperation of the seal installed in the valve body and the spherical valve core. According to the different operating environments of the ball valve, the valve core is usually made of ordinary steel or stainless steel. The seal that matches the valve core It is usually made of plastic. During the use of the ball valve, if the sealing performance of the ball valve is not good, it will easily cause a gap between the ball valve and the pipeline, causing leakage problems, resulting in waste of resources. At the same time, the ball valve is usually installed on the pipe. The installation structure between the inside and the pipeline is relatively complicated. If there is a damage problem after a long time, it is inconvenient to disassemble and repair the ball valve.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a ball valve with good sealing effect.

(2) Technical solution

In order to achieve the above purpose, the utility model provides the following technical solutions: a ball valve with good sealing effect of the utility model includes a mounting sleeve and a valve body, the two ends of the mounting sleeve are provided with connecting threads, and the mounting sleeve The top of the pipe is provided with a first connecting port, and the inner side of the first connecting port is provided with a rotating groove, and a first mounting frame is installed on the rotating groove, and the first mounting frame is embedded in the first connecting port through a rotating rod. In the rotating groove inside the mouth, the top of the first installation frame is provided with a second connection port, the inner side of the installation sleeve is provided with a sealing port, the sealing port is perpendicular to the first interface, and the inner side of the sealing port An annular chute is provided, and a second installation frame is installed on the sealing port, and the second installation frame is embedded in the annular chute through a slide bar. The top and bottom ends of the valve body are provided with clamping plates, and the The first mounting frame and the second mounting frame are provided with a first card slot, the clamping plates at both ends of the valve body are adapted to the first card slots on the first mounting frame and the second mounting frame, and the mounting sleeve The inner walls on both sides are provided with a second card slot, the valve body is provided with a through hole, and the end of the through hole is provided with a snap ring, and the snap ring is matched with the second card slot, and the valve body The surface side of the body is attached to the inner wall of the installation sleeve.

In order to facilitate the disassembly and assembly of the equipment, the utility model has the improvement that the installation sleeve is composed of two sections of sleeve splicing, and the joint of the two sections of casing is provided with a splicing frame, and the splicing frame is provided with a connecting hole. The connecting holes of the two splicing frames are connected by connecting bolts.

In order to improve the sealing performance of the external pipe of the installation sleeve, the utility model is improved in that the surface side of the splicing frame is wrapped with a rubber pad.

In order to ensure the stability of the installation of the valve body, the utility model is improved as follows: the center of the second connection port is penetrated with a mounting hole, and the clamping plate at the top of the valve body is provided with a limit hole, and the installation hole and the limit A limit bolt is arranged between the holes, and the limit bolt is connected with the mounting hole and the limit hole through threads.

In order to facilitate the replacement of the snap ring, the utility model is improved as follows: the two ends of the through hole are threaded with connecting pipes, and the snap ring is arranged at the end of the connecting pipe.

(3) Beneficial effects

Compared with the prior art, the utility model provides a ball valve with good sealing effect, which has the following

Beneficial effect:

The utility model sets the installation sleeve as two sections of sleeves for splicing. When the two sections of sleeves are spliced, the rotating rod of the first mounting frame and the sliding rod of the second mounting frame are respectively connected with the rotating groove and the annular chute. The splicing of the pipes is spliced with the connecting holes on the splicing frame through the connecting bolts, so as to facilitate the disassembly and assembly of the installation sleeve and the valve body. When there is a leakage problem, the installation sleeve and the internal valve body can be quickly repaired and replaced. .

Description of drawings

Fig. 1 is a schematic diagram of the half-section structure of the utility model;

Fig. 2 is the utility model valve body structural representation;

Fig. 3 is a structural schematic diagram of the installation sleeve of the utility model;

In the figure: 1. Installation sleeve; 2. Valve body; 3. Through hole; 4. First mounting frame; 5. Second mounting frame; 6. Rotating rod; Snap ring; 10, second card slot; 11, first interface; 12, second interface; 13, splicing frame; 14, slide bar;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-3, a ball valve with good sealing effect of the present utility model includes an installation sleeve 1 and a valve body 2, the two ends of the installation sleeve 1 are provided with connecting threads, and the ends of the installation sleeve 1 The top is provided with a first connecting port 11, and the inner side of the first connecting port 11 is provided with a rotating groove, and a first mounting frame 4 is installed on the rotating groove, and the first mounting frame 4 is embedded in the rotating rod 6 In the rotation groove inside the first connection port 11, the top of the first mounting bracket 4 is provided with a second connection port 12, and the inside of the installation sleeve 1 is provided with a sealing port, and the sealing port is perpendicular to the first interface. , the inner side of the sealing port is provided with an annular chute, the second mounting frame 5 is installed on the sealing port, and the second mounting frame 5 is embedded in the annular chute through the sliding rod 14, and the valve body 2 The top and the bottom end are provided with clamping plates, the first mounting frame 4 and the second mounting frame 5 are provided with a first card slot, the clamping plates at both ends of the valve body 2 are connected with the first mounting frame 4 and the second mounting frame 5, the second card slot 10 is provided on the inner wall of both sides of the installation sleeve 1, the valve body 2 is provided with a through hole 3, and the end of the through hole 3 A snap ring 9 is provided, and the snap ring 9 is adapted to the second snap groove 10 , and the surface side of the valve body 2 is attached to the inner wall of the installation sleeve 1 .

For the ball valve with good sealing effect, in the process of use, the installation sleeve 1 is set as two sections of sleeves for splicing. The rods 14 are respectively connected with the rotating groove and the annular chute, and the splicing of the two sections of sleeves is spliced with the connecting holes on the splicing frame 13 through the connecting bolts, so as to facilitate the disassembly and assembly of the installation sleeve 1 and the valve body 2. When a leakage problem occurs, quickly repair and replace the installation sleeve 1 and the internal valve body 2. The device is externally connected to the rotating motor device through the second connection port 12, and the second connection port 12 can be connected to the output shaft of the rotating motor through a threaded connection structure. The connection can also be spliced and assembled using a flange structure. The specific connection structure is not specifically limited. It is sufficient to ensure the stability of the connection between the output shaft of the rotating motor and the second connection port 12. The top and bottom ends of the valve body 2 pass through The clamping plate is spliced with the first draw-in groove on the first mounting frame 4 and the second mounting frame 5, and the first mounting frame 4 and the second mounting frame 5 are respectively connected with the rotating groove and the annular sliding frame under the cooperation of the rotating rod 6 and the sliding bar 14. The valve body 2 is connected with the installation sleeve 1, and the valve body 2 is then fitted with the first card groove by the lever 7, so as to ensure the tightness of the top of the valve body 2. When the valve body 2 is closed, the valve body 2 is connected to the The snap ring 9 at the hole 3 is rotated until it fits with the second slot 10, so as to ensure the sealing effect at the through hole 3, and the above-mentioned rotating motor can be a conventional servo motor.

In the process of overhauling or replacing the valve body 2, it is necessary to remove the valve body 2 in the installation sleeve 1. In this embodiment, the installation sleeve 1 is composed of two sections of sleeve splicing, and the two sections of sleeve A splicing frame 13 is provided at the splicing place of the splicing frame 13, and a connecting hole is provided on the splicing frame 13. The connecting holes of the two splicing frames 13 are connected by connecting bolts, and the installation sleeve 1 is set as two sections of sleeves for splicing. During installation, it is convenient to connect the rotating rod 6 of the first mounting frame 4 and the sliding rod 14 of the second mounting frame 5 with the rotating groove and the annular chute respectively. Connecting holes for splicing.

When the two ends of the installation sleeve 1 are externally connected to the pipeline, it is necessary to ensure the tightness of the connection with the pipeline. In this embodiment, the surface side of the splicing frame 13 is wrapped with a rubber pad. The rubber gasket is attached to ensure the sealing of the end of the pipe after installation.

After the valve body 2 is connected to the first slot on the first mounting frame 4 and the second mounting frame 5 through the clamping plate, if there is no limit device, the clamping plate will easily be separated from the first locking slot under long-term liquid washing. In the embodiment, a mounting hole runs through the center of the second connection port 12, a limiting hole is provided on the clamping plate at the top of the valve body 2, and a limiting bolt is provided between the mounting hole and the limiting hole. The above-mentioned limit bolt is connected with the installation hole and the limit hole through threads, and the limit bolt is connected with the installation hole and the limit hole by threads, so as to limit the connection between the clamp plate and the first installation frame 4, and ensure that the valve body 2 is installed To ensure the firmness, prevent the card bar 7 from easily disengaging from the first card slot.

After the valve body 2 is used for a long time, the snap ring 9 is prone to wear. When the wear is serious, a gap will be formed after the snap ring 9 is spliced with the second snap groove 10. In this embodiment, the two ends of the through hole 3 are connected by threads. Pipe 8, the snap ring 9 is arranged at the end of the connecting pipe 8, and the snap ring 9 is threadedly connected with the through hole 3 by the connecting pipe 8, so as to realize the detachable connection between the snap ring 9 and the valve body 2, which is convenient for snapping Ring 9 is disassembled and replaced.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a ball valve that sealed effect is good, a serial communication port, including installation sleeve (1) and valve body (2), the both ends of installation sleeve (1) are equipped with connecting thread, the top of installation sleeve (1) is equipped with first connecting port (11), the inboard of first connecting port (11) is equipped with the rotation groove, install first mounting bracket (4) on the rotation groove, first mounting bracket (4) are equipped with second connector (12) through the rotation inslot of dwang (6) embedded in first connecting port (11), the top of first mounting bracket (4) is equipped with second connector (12), the inboard of installation sleeve (1) is equipped with the sealing port, the sealing port is perpendicular with first connector, the inboard of sealing port is equipped with annular chute, install second mounting bracket (5) on the sealing port, second mounting bracket (5) are equipped with the cardboard through slide bar (14) on the top and the bottom of valve body (2), be equipped with first draw-in groove on first mounting bracket (4) and second (5), be equipped with snap ring (2) and first mounting bracket (3) on the both sides (3) through-hole (3) on the valve body (2), the clamping ring (9) is matched with the second clamping groove (10), and the surface side of the valve body (2) is attached to the inner wall of the mounting sleeve (1).

2. The ball valve with good sealing effect according to claim 1, wherein the installation sleeve (1) is formed by splicing two sections of sleeves, splicing frames (13) are arranged at the splicing positions of the two sections of sleeves, connecting holes are formed in the splicing frames (13), and the connecting holes of the two splicing frames (13) are connected through connecting bolts.

3. The ball valve with good sealing effect according to claim 2, wherein the surface side of the splicing frame (13) is wrapped with a rubber pad.

4. A ball valve with good sealing effect according to claim 3, characterized in that the center of the second connecting port (12) is penetrated with a mounting hole, a clamping plate at the top end of the valve body (2) is provided with a limiting hole, a limiting bolt is arranged between the mounting hole and the limiting hole, and the limiting bolt is connected with the mounting hole and the limiting hole through threads.

5. The ball valve with good sealing effect according to claim 4, wherein the connecting pipe (8) is installed at two ends of the through hole (3) through threads, and the clamping ring (9) is arranged at the end part of the connecting pipe (8).

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