Ball valve

Abstract

The ball valve comprises a valve body, an inner cavity of the valve body is round, the left side and the right side of the valve body are respectively connected with a first loose joint sleeve and a second loose joint sleeve in a rotating mode, the inner wall of the valve body is connected with a spherical valve element in a rotating mode, and the outer wall of the top of the spherical valve element is fixedly connected with a rotating shaft. A rotating shaft is arranged on the top of the valve body, a sealing pipe is fixedly installed on the outer wall of the rotating shaft, a first threaded pipe is integrally connected to the outer wall of the top of the valve body, and the outer wall of the rotating shaft is in matched sealing rotating connection with the inner wall of the first threaded pipe. The spherical valve element can be controlled to rotate to control opening and closing only by using a wrench in a specific shape, meanwhile, the situation that opening and closing of the spherical valve element need to be controlled through a complex structure can be avoided, use convenience of an operator is facilitated, the situation that the valve is touched by an outsider when used outdoors is avoided, and use safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valves, in particular to a ball valve. Background Art

[0002] When controlling the on-off of a pipeline, a valve is usually required for control. In existing special pipelines, the valve usually needs to be placed outdoors for use, which makes it easy for the valve to be touched by outsiders, so that the valve is closed and opened at will, which is inconvenient for outdoor use. The existing rotating parts of the valve are usually locked. The existing ball valve has obvious features, and it is not convenient to hide the structure for controlling the rotation of the ball valve. It is easy for children to touch it, thereby affecting the normal use of the ball valve and not convenient to improve the safety of equipment use. Utility Model Content

[0003] The purpose of the utility model is to provide a ball valve to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A ball valve comprises a ball valve, the ball valve comprises a valve body, the internal cavity of the valve body is circular, the valve body is rotatably connected to a first flexible sleeve and a second flexible sleeve respectively, the inner wall of the valve body is rotatably connected to a spherical valve core, the top outer wall of the spherical valve core is fixedly connected to a rotating shaft, a sealing tube is fixedly installed on the outer wall of the rotating shaft, the top outer wall of the valve body is integrally connected to a first threaded tube, the outer wall of the rotating shaft cooperates with the inner wall of the first threaded tube to be sealed and rotatably connected, and the top outer wall of the first threaded tube is sealingly threadedly connected to a first nut.

[0006] In a preferred embodiment of the present utility model, the inner wall of the first union sleeve is sealed and connected to the catheter, and a sealing rubber ring is provided between the first union sleeve and the outer wall of the catheter.

[0007] In a preferred embodiment of the present invention, the inner wall of the second union sleeve cooperates with the plug-in connection catheter, the second union sleeve is threadedly connected to the outer wall of the catheter via a locking head, and the outer wall of the second union sleeve is provided with anti-slip teeth.

[0008] In a preferred embodiment of the present utility model, a bracket is fixedly mounted on the outer wall at the bottom of the valve body, and screw holes are provided on the inner walls at the bottom ends of the left and right ends of the bracket.

[0009] In a preferred embodiment of the utility model, a groove is provided on the outer wall of the sealing tube, a sealing ring is sleeved on the inner wall of the groove, and the outer wall of the sealing ring is sealed and connected with the inner wall of the first threaded tube.

[0010] In a preferred embodiment of the utility model, a slot is provided on the outer wall at the top of the shaft, grooves are provided on the outer walls on both sides of the shaft, and the grooves are crescent-shaped, so that the top of the shaft can be adapted to be plugged in with a wrench.

[0011] In a preferred embodiment of the present invention, the outer wall of the first union sleeve is integrally connected to the second threaded tube, the second threaded tube is communicated with the inner wall of the first union sleeve, and the outer wall at the top end of the second threaded tube is sealingly threadedly connected to the second nut.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0013] 1. By providing a first threaded tube, the rotating shaft at the top of the spherical valve core is rotatably connected to the inside of the first threaded tube, so that when in use, the spherical valve core needs to be controlled to rotate and open and close by using a wrench of a specific shape, and at the same time, it can avoid the need to control the opening and closing of the spherical valve core through a complex structure, which is convenient for operators to use and can also avoid being touched by outsiders, thereby preventing the valve from being touched by outsiders when used outdoors, thereby improving the safety of use;

[0014] 2. By setting the second threaded tube and the second nut for use together, it is convenient to control the pressure relief inside the pipeline when the pressure inside the conduit is too high, thereby facilitating the improvement of the safety of the valve;

[0015] 3. By concealing the spherical valve core and the rotating shaft inside the first joint sleeve, it is difficult for people to think that it is an operable ball valve, which can easily improve the safety of equipment use and, to a certain extent, avoid the risk of being touched by outsiders at will. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 This is a schematic diagram of the main structure of a ball valve;

[0018] Figure 2 It is a schematic diagram of the rear view structure of a ball valve;

[0019] Figure 3 It is a schematic diagram of the structure of a ball valve when viewed from above;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of a ball valve;

[0021] Figure 5 The figure is a schematic diagram of the valve structure in a ball valve.

[0022] In the figure: a conduit 100, a valve body 200, a spherical valve core 240, a first flexible sleeve 210, a second threaded tube 211, a second nut 212, a second flexible sleeve 220, a first threaded tube 230, a first nut 231, a spherical valve core 240, a rotating shaft 241, a sealing tube 242, a sealing ring 243, a groove 244, a slot 245, and a bracket 250. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] Example 1: Figure 1-Figure 5 , including a ball valve, the ball valve includes a valve body 200, the internal cavity of the valve body 200 is circular, the valve body 200 is rotatably connected to the first live joint sleeve 210 and the second live joint sleeve 220 respectively, the inner wall of the valve body 200 is rotatably connected to the spherical valve core 240, the top outer wall of the spherical valve core 240 is fixedly connected to the rotating shaft 241, the outer wall of the rotating shaft 241 is fixedly installed with a sealing tube 242, the top outer wall of the valve body 200 is integrally connected to the first threaded tube 230, the outer wall of the rotating shaft 241 is cooperated with the inner wall of the first threaded tube 230 to be sealed and rotatably connected, and the top outer wall of the first threaded tube 230 is sealingly threadedly connected to the first nut 231.

[0025] The specific usage scenario of this embodiment is: the spherical valve core 240 is rotatably installed in the internal circular cavity of the valve body 200 to control the on-off of the inside of the valve body 200, and the first threaded tube 230 is set to rotate the shaft 241 on the top of the spherical valve core 240 to be connected to the inside of the first threaded tube 230, so that when in use, it is necessary to use a wrench of a specific shape to control the spherical valve core 240 to rotate and control the opening and closing, and it can also avoid the need to control the opening and closing of the spherical valve core 240 through a complex structure, which is convenient for operators to use and can also avoid being touched by outsiders, thereby avoiding the valve being touched by outsiders when used outdoors, improving the safety of use, and the first nut 231 and the first threaded tube 230 are threadedly connected to facilitate the protection of the valve.

[0026] Example 2: Figure 4The inner wall of the first flexible sleeve 210 is sealed and connected to the conduit 100, a sealing rubber ring is provided between the first flexible sleeve 210 and the outer wall of the conduit 100, the inner wall of the second flexible sleeve 220 is plugged and connected to the conduit 100, the second flexible sleeve 220 is threadedly connected to the outer wall of the conduit 100 through a locking head, the outer wall of the second flexible sleeve 220 is provided with anti-slip teeth, the outer wall of the bottom of the valve body 200 is fixed with a bracket 250, and screw holes are opened on the inner walls of the bottom ends of the left and right ends of the bracket 250.

[0027] The specific usage scenario of this embodiment is: by setting the anti-slip teeth, it is convenient for the operator to hold and control the rotation of the second flexible sleeve 220, so as to facilitate the detachable fixed connection between the valve body 200 and the catheter 100, thereby improving the practicality of the equipment. By setting the bracket 250 to facilitate the fixation of the valve body 200 after installation, the instability of the valve body 200 caused by the high internal pressure of the catheter 100 can be avoided.

[0028] Example 3: Figure 4 A card slot is provided on the outer wall of the sealing tube 242, and a sealing ring 243 is installed on the inner wall of the card slot. The outer wall of the sealing ring 243 is sealed and connected with the inner wall of the first threaded tube 230. A card slot 245 is provided on the outer wall of the top of the rotating shaft 241. Grooves 244 are provided on the outer walls on both sides of the rotating shaft 241. The grooves 244 are set in a crescent shape, and the top of the rotating shaft 241 is adapted to be plugged in with a wrench.

[0029] The specific usage scenario of this embodiment is: by setting a card groove for cooperating with the installation of the sealing ring 243, when the spherical valve core 240 is rotated, a good sealing effect between the spherical valve core 240 and the valve body 200 can be maintained, thereby reducing the risk of leakage and improving the practicality of the equipment.

[0030] Example 4: Figure 1-Figure 3 The outer wall of the first union sleeve 210 is integrally connected to the second threaded tube 211 , the second threaded tube 211 is communicated with the inner wall of the first union sleeve 210 , and the outer wall of the top end of the second threaded tube 211 is sealingly threadedly connected to the second nut 212 .

[0031] The specific usage scenario of this embodiment is: by setting the second threaded tube 211 and the second nut 212 for use together, when the pressure inside the catheter 100 is too high, the catheter 100 can be controlled to release pressure according to the needs of use, thereby improving the safety of equipment use and avoiding excessive pressure inside the catheter 100 to cause a pipe burst.

[0032] The working principle of the utility model is as follows: when in use, a person skilled in the art will respectively match the two ends of the valve body 200 with the pipeline 100 through the first union sleeve 210 and the second union sleeve 220 to be fixedly connected. When it is necessary to control the valve to switch, the first nut 231 is rotated by using a wrench so that the first nut 231 is removed from the outer wall of the first threaded tube 230. Then, the spherical valve core 240 is driven to rotate by using a wrench that is plugged and connected with the groove 244 and the card slot 245 at the top of the rotating shaft 2414, so that the spherical valve core is in the valve body. 200, so as to adjust the overlap between the internal opening of the spherical valve core 240 and the internal channel of the conduit 100 by rotation, so as to control the on-off adjustment of the conduit 100. After the adjustment is completed, the first nut 231 is threadedly connected and installed on the outer wall of the first threaded tube 230 again to avoid leakage of the valve body 100. When the pressure in the conduit 100 is too high, the second nut 212 is rotated by a wrench. By loosening the second nut 212, it is convenient to relieve the pressure inside the conduit 100, thereby improving the practicability and safety of the equipment.

[0033] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A ball valve, comprising a ball valve, the ball valve comprising a valve body (200), the inner cavity of the valve body (200) is circular, the valve body (200) is rotatably connected to a first flexible sleeve (210) and a second flexible sleeve (220) respectively, the inner wall of the valve body (200) is rotatably connected to a spherical valve core (240), characterized in that: The top outer wall of the spherical valve core (240) is fixedly connected to the rotating shaft (241), and the outer wall of the rotating shaft (241) is fixedly installed with a sealing tube (242). The top outer wall of the valve body (200) is integrally connected to the first threaded tube (230). The outer wall of the rotating shaft (241) cooperates with the inner wall of the first threaded tube (230) to be sealed and rotatably connected. The top outer wall of the first threaded tube (230) is sealingly threadedly connected to the first nut (231).

2. A ball valve according to claim 1, characterized in that: The inner wall of the first union sleeve (210) is sealingly connected to the catheter (100), and a sealing rubber ring is provided between the first union sleeve (210) and the outer wall of the catheter (100).

3. A ball valve according to claim 2, characterized in that: The inner wall of the second union sleeve (220) is plugged into the connecting conduit (100), the second union sleeve (220) is connected to the outer wall of the conduit (100) via a locking thread, and the outer wall of the second union sleeve (220) is provided with anti-slip teeth.

4. A ball valve according to claim 3, characterized in that: The bottom outer wall of the valve body (200) is fixed with a mounting bracket (250), and the bottom inner walls of the left and right ends of the bracket (250) are provided with screw holes.

5. A ball valve according to claim 1, characterized in that: The outer wall of the sealing tube (242) is provided with a slot, the inner wall of the slot is sleeved with a sealing ring (243), and the outer wall of the sealing ring (243) is matched with the inner wall of the first threaded tube (230) for sealing connection.

6. A ball valve according to claim 5, characterized in that: The top outer wall of the rotating shaft (241) is provided with a slot (245), and the left and right outer walls of the rotating shaft (241) are both provided with grooves (244), wherein the grooves (244) are arranged in a crescent shape, and the top of the rotating shaft (241) is adapted to be plugged into a wrench.

7. A ball valve according to claim 1, characterized in that: The outer wall of the first union sleeve (210) is integrally connected to the second threaded tube (211), the second threaded tube (211) is communicated with the inner wall of the first union sleeve (210), and the outer wall at the top end of the second threaded tube (211) is sealingly threadedly connected to the second nut (212).

Images