Quick opening and closing valve

Abstract

The utility model relates to the field of valves, and discloses a quick opening and closing valve which comprises a valve hand wheel body, an installation cylinder is installed at the bottom end of the valve hand wheel body, a protection cylinder is arranged above the valve hand wheel body, and the quick opening and closing valve further comprises an installation mechanism. A clamping block is rotationally connected into the fixing disc, a limiting ring is installed at the center of the top end of the valve hand wheel body, and a limiting assembly is installed on the outer side of the rotating handle. And the protection mechanism is arranged above the mounting cylinder. According to the valve hand wheel fixing device, the problems that in an existing installation mode, a bolt or nut fixing mode is adopted, it means that in the installation process, a worker must carry an additional bolt or nut to complete the installation work of a valve hand wheel, and when it is found that the carried bolt or nut is not matched, the installation work of the valve hand wheel cannot be completed at the moment; therefore, inconvenience is brought to installation work.

Description

Technical Field

[0001] The utility model relates to the field of valves, in particular to a quick opening and closing valve. Background Art

[0002] Valve handwheel casting is a component made of cast iron or other metal materials, specially used for connecting and controlling various types of valves.

[0003] The existing installation method uses bolts or nuts to fix the valve handwheel, which means that the installation staff must carry extra bolts or nuts to complete the installation of the valve handwheel;

[0004] If it is found that the bolts or nuts provided are not suitable, the installation of the valve handwheel cannot be completed, which will cause inconvenience to the installation work.

[0005] Therefore, those skilled in the art provide a fast opening and closing valve to solve the problems raised in the above background technology. Utility Model Content

[0006] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a quick opening and closing valve, which can complete the installation of the valve handwheel body, and can facilitate the staff to quickly and conveniently disassemble and use the valve handwheel, and can be installed and used with valve stems of different sizes.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A quick opening and closing valve comprises a valve handwheel body, a mounting cylinder is installed at the bottom end of the valve handwheel body, a protective cylinder is arranged above the valve handwheel body, and also comprises a mounting mechanism: the mounting mechanism comprises a fixed disk arranged inside the mounting cylinder, a clamping block is rotatably connected inside the fixed disk, a sleeve is rotatably connected inside the mounting cylinder, one end of the sleeve is fixedly connected to a mounting rod, one end of the mounting rod is fixedly connected to a turning handle, one side of the sleeve is rotatably connected to a driving assembly, a limiting ring is installed at the top center of the valve handwheel body, and a limiting assembly is installed on the outside of the turning handle; a protective mechanism: the protective mechanism is arranged above the mounting cylinder.

[0009] Furthermore, the protection mechanism includes a rotating ring arranged above the installation tube, the top end of the installation tube is rotatably connected to a movable rod, and the bottom end of the movable rod is fixedly connected to a connecting assembly.

[0010] Furthermore, the connecting assembly includes a rotating gear arranged at the bottom end of the movable rod, a tooth groove is provided on the inner side of the rotating ring, and the rotating ring and the rotating gear are meshingly connected.

[0011] Furthermore, a thread groove is provided at the bottom end of the protective tube, a thread is provided on the outer surface of the movable rod, and the movable rod and the protective tube are threadedly connected.

[0012] Furthermore, the driving assembly includes a connecting rod arranged on one side of the sleeve, and the connecting rod and the clamping block are rotationally connected.

[0013] Furthermore, the limiting assembly includes a bolt arranged on the outside of the turning handle, and a connection portion is formed on the outer surface of the turning handle.

[0014] Furthermore, the outer surface of the limiting ring is evenly provided with limiting grooves, one side of the fixed disk is evenly provided with movable grooves, and the inner side of the fixed disk is provided with an extension opening.

[0015] The beneficial effects of the utility model are:

[0016] 1. The utility model is provided with a disassembly and assembly mechanism. The staff can release the limit connection formed by the bolt and the turning handle by rotating the bolt inside the connecting groove, so that the turning handle can be rotated, so that the limit ring rotates and drives the mounting rod fixedly connected at one end to rotate. The rotation of the mounting rod drives the sleeve fixedly connected at one end to rotate inside the mounting cylinder, so that the sleeve can be rotated and the connecting rod connected to one side with uniform rotation can be rotated. The rotation of the connecting rod drives the clamping block fixedly connected at one end to extend outward from the inside of the fixed plate, so that the clamping block can clamp and fix the outside of the top end of the valve stem sleeved inside the mounting cylinder, and the bolt can be reset to complete the installation of the valve handwheel body, which can facilitate the staff to quickly and conveniently disassemble and assemble the valve handwheel, and can be installed and used with valve stems of different sizes.

[0017] Based on the above beneficial effects, a protective mechanism is provided. After the valve handwheel and the valve are installed and connected as described above, the staff can rotate the rotating ring connected to the top of the installation cylinder to rotate the rotating ring and drive the rotating gear connected inside to rotate. The rotating gear rotates and drives the movable rod fixedly connected to the top to rotate, so that the protective cylinder threaded on the top of the movable rod can be raised, and the protection formed by the protective cylinder on the rotating handle covered below can be released, which can facilitate the staff to protect the driving device above the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an axonometric view of the present utility model;

[0019] Figure 2 It is another isometric view of the present invention;

[0020] Figure 3 This is a disassembled diagram of the utility model;

[0021] Figure 4 It is a cross-sectional view of the present utility model.

[0022] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0023] 1. Valve handwheel body; 2. Mounting cylinder; 3. Rotating ring; 4. Rotating gear; 5. Movable rod; 6. Protective cylinder; 7. Sleeve; 8. Fixed plate; 9. Connecting rod; 10. Clamping block; 11. Mounting rod; 12. Limiting ring; 13. Turning handle; 14. Bolt. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1 、 2 As shown in Figure 3, this embodiment is a quick opening and closing valve, including a valve handwheel body 1, a mounting cylinder 2 is installed at the bottom end of the valve handwheel body 1, a protective cylinder 6 is provided above the valve handwheel body 1, and also includes a mounting mechanism: the mounting mechanism includes a fixed disk 8 arranged inside the mounting cylinder 2, the internal rotation of the fixed disk 8 is connected to a clamping block 10, the internal rotation of the mounting cylinder 2 is connected to a sleeve 7, one end of the sleeve 7 is fixedly connected to a mounting rod 11, one end of the mounting rod 11 is fixedly connected to a handle 13, one side of the sleeve 7 is rotatably connected to a drive assembly, a limiting ring 12 is installed at the top center of the valve handwheel body 1, and a limiting assembly is installed on the outer side of the handle 13; protective mechanism: the protective mechanism is arranged above the mounting cylinder 2.

[0026] The mounting tube 2 is used to rotatably connect the sleeve 7 so that one side of the sleeve 7 is rotatably mounted on the inner side of the mounting tube 2, while providing space for the sleeve 7 to rotate. By fixing one side of the fixing plate 8 to the inside of the mounting tube 2, space can be provided for the clamping block 10 to flip over.

[0027] By cooperating with each other, the sleeve 7 and the fixed plate 8 can rotate and drive the clamping block 10 to flip, which can facilitate the staff to quickly and conveniently disassemble and assemble the valve handwheel, and can be installed and used with valve stems of different sizes.

[0028] By rotating the bolt 14 inside the connecting groove, the staff can release the limiting connection formed by the bolt 14 and the turning handle 13, so that the turning handle 13 can be rotated, so that the limiting ring 12 rotates and the mounting rod 11 fixedly connected at one end is driven to rotate, so that the mounting rod 11 rotates and the sleeve 7 fixedly connected at one end is driven to rotate inside the mounting tube 2, so that the sleeve 7 can rotate and the connecting rod 9 connected to one side with uniform rotation can be driven to rotate, so that the connecting rod 9 rotates and the clamping block 10 fixedly connected at one end is driven to extend outward from the inside of the fixed disk 8, so that the clamping block 10 can clamp and fix the outside of the top end of the valve stem sleeved inside the mounting tube 2, and the installation of the valve handwheel body 1 can be completed by resetting the bolt 14.

[0029] See also Figure 4 As shown, this embodiment further includes a protection mechanism based on the above embodiment 1. The protection mechanism includes a rotating ring 3 provided above the mounting cylinder 2. The top end of the mounting cylinder 2 is rotatably connected to a movable rod 5. The bottom end of the movable rod 5 is fixedly connected to a connecting assembly.

[0030] The mounting tube 2 is used to mount and connect the swivel 3, provide a space for the swivel 3 to rotate, and provide rotational power for the movable rod 5 whose bottom end is rotatably connected to the top of the mounting tube 2;

[0031] The swivel ring 3 and the movable rod 5 cooperate with each other to facilitate the use and protection of the driving device above the device by the staff.

[0032] Working principle: By rotating the swivel 3 connected to the top of the installation cylinder 2, the staff can rotate the swivel 3 and simultaneously drive the rotating gear 4 connected inside to rotate. The rotating gear 4 rotates and simultaneously drives the movable rod 5 fixed to the top to rotate, thereby causing the protective cylinder 6 threadedly connected to the top of the movable rod 5 to rise, thus releasing the protection provided by the protective cylinder 6 on the rotating handle 13 below.

[0033] This step can facilitate the staff to protect the driving device above the device.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A quick opening and closing valve, characterized in that: The invention comprises a valve handwheel body (1), a mounting cylinder (2) is installed at the bottom end of the valve handwheel body (1), and a protective cylinder (6) is provided above the valve handwheel body (1): Mounting mechanism: The mounting mechanism comprises a fixed disk (8) arranged inside the mounting cylinder (2), a clamping block (10) is rotatably connected inside the fixed disk (8), a sleeve (7) is rotatably connected inside the mounting cylinder (2), one end of the sleeve (7) is fixedly connected to a mounting rod (11), one end of the mounting rod (11) is fixedly connected to a rotating handle (13), one side of the sleeve (7) is rotatably connected to a driving assembly, a limiting ring (12) is installed at the top center of the valve handwheel body (1), and a limiting assembly is installed on the outer side of the rotating handle (13); Protection mechanism: The protection mechanism is arranged above the installation cylinder (2).

2. A quick opening and closing valve according to claim 1, characterized in that: The protection mechanism comprises a rotating ring (3) arranged above the installation cylinder (2); the top end of the installation cylinder (2) is rotatably connected to a movable rod (5); and the bottom end of the movable rod (5) is fixedly connected to a connecting assembly.

3. A quick opening and closing valve according to claim 2, characterized in that: The connecting assembly comprises a rotating gear (4) arranged at the bottom end of the movable rod (5), a tooth groove is provided on the inner side of the rotating ring (3), and the rotating ring (3) and the rotating gear (4) are meshingly connected.

4. A quick opening and closing valve according to claim 2, characterized in that: A thread groove is provided at the bottom end of the protective tube (6), a thread is provided on the outer surface of the movable rod (5), and the movable rod (5) and the protective tube (6) are connected by threads.

5. A quick opening and closing valve according to claim 1, characterized in that: The driving assembly comprises a connecting rod (9) arranged on one side of the sleeve (7), and the connecting rod (9) and the clamping block (10) are rotationally connected.

6. A quick opening and closing valve according to claim 1, characterized in that: The limiting assembly comprises a bolt (14) arranged on the outside of the rotating handle (13), and a connection portion is provided on the outer surface of the rotating handle (13).

7. A quick opening and closing valve according to claim 1, characterized in that: The outer surface of the limiting ring (12) is evenly provided with limiting grooves, one side of the fixed disk (8) is evenly provided with movable grooves, and the inner side of the fixed disk (8) is provided with an extension opening.

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