Valve

Abstract

The utility model discloses a valve, which belongs to the technical field of valves, and is characterized in that the valve comprises a valve body with an inlet and an outlet; the valve seat is mounted in the valve body; the sealing piston is movably arranged in the valve body and is matched with the valve seat; the valve rod is connected with the sealing piston; the hand wheel assembly is connected with the valve rod; wherein the hand wheel assembly comprises a mounting seat, a telescopic rod and a plurality of hand wheel arc parts, the telescopic rod is connected with the corresponding hand wheel arc part, the telescopic rod is movably connected to the mounting seat, and the mounting seat is connected with the valve rod. The hand wheel can be adjusted, stretching and retracting of the hand wheel are achieved, and labor is saved when the hand wheel is used.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of valves, and particularly relates to a valve. BACKGROUND

[0002] A valve is a pipeline accessory used for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveyed medium. According to its function, the valve can be divided into a shut-off valve, a check valve, a regulating valve and the like. The valve can be used for controlling the flow of air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media and the like.

[0003] The existing Chinese patent with the publication number CN221257676U discloses a sealed valve, which comprises a valve body, a valve rod, a sealing plate and a sealing piston. The valve body is connected with a valve upper cover through a connecting valve pipe. The valve upper cover is supported by a support seat at the top through an internal thread support column. The valve rod is connected with the sealing plate and the sealing piston in the connecting valve pipe through the valve upper cover at the lower end. An extrusion spring is connected between the sealing plate and the sealing piston. The bottom of the sealing piston is sealingly connected with a valve seat in the valve body. An adjusting rod for adjusting the height position of the sealing plate is connected with the internal thread support column through internal thread connection.

[0004] The valve can be adjusted by a hand wheel. However, the size of the existing hand wheel cannot be adjusted. Generally, a smaller hand wheel is more laborious to rotate, and a larger hand wheel occupies more space. Therefore, the valve needs to be improved. Content of the utility model

[0005] The application aims to solve the above technical problems and provides a valve which can adjust the hand wheel, realize telescopic adjustment of the hand wheel and facilitate labor saving when the hand wheel is used.

[0006] The application provides a valve, which comprises:

[0007] A valve body has an inlet and an outlet.

[0008] A valve seat is installed in the valve body.

[0009] A sealing piston is movably arranged in the valve body and matched with the valve seat.

[0010] A valve rod is connected with the sealing piston.

[0011] A hand wheel assembly is connected with the valve rod.

[0012] The hand wheel assembly comprises a mounting seat, a telescopic rod and a plurality of hand wheel arc parts. The telescopic rod is connected with the corresponding hand wheel arc part. The telescopic rod is movably connected with the mounting seat. The mounting seat is mounted and connected with the valve rod.

[0013] Valve seat, sealing piston is installed in the valve body, with the prior art, through the hand wheel assembly rotating valve stem to achieve sealing piston open and close, mounting seat and valve stem installation connection, hand wheel arc part is provided with 4-6, all hand wheel arc part can be spliced into a ring, hand wheel arc part through the telescopic rod is placed on the mounting seat telescopic, can increase the torque when the valve stem rotation, make the valve stem rotation more labor-saving, when the hand wheel assembly does not need to rotate, through the telescopic rod to the mounting seat inside shrink, reduce the space occupation of hand wheel assembly.

[0014] Further, the hand wheel assembly further comprises:

[0015] Telescopic hole, placed on the mounting seat;

[0016] Rotary seat, movably mounted in the mounting seat;

[0017] Slide groove, placed on the rotary seat;

[0018] Slide seat, mounted on the telescopic rod and corresponding with the slide groove;

[0019] Adjusting mechanism, placed on the hand wheel assembly, the adjusting mechanism is used for adjusting the rotation of the rotary seat;

[0020] Locking mechanism, placed on the hand wheel assembly, the locking mechanism is used for locking the rotary seat;

[0021] Wherein, the telescopic rod and the telescopic hole are movably connected.

[0022] Through the telescopic hole, the telescopic rod can be telescopic, through the slide groove, the slide seat makes the rotary seat and the telescopic rod movably connected, when the rotary seat moves, through the slide seat placed in the slide groove, realize the telescopic drive of the telescopic rod, through the adjusting mechanism, the telescopic distance of the telescopic rod can be adjusted, through the locking mechanism, the rotary seat can be locked, which is convenient for the stability of the hand wheel assembly rotation.

[0023] Further, the adjusting mechanism comprises:

[0024] Rotary handle, movably mounted on the mounting seat;

[0025] First bevel gear, movably mounted on the mounting seat;

[0026] Second bevel gear, movably mounted on the mounting seat.

[0027] The adjusting mechanism is rotated by rotating the rotary handle, the first bevel gear is engaged with the second bevel gear, the rotary handle drives the rotary seat to rotate, the first bevel gear is movably mounted on the mounting seat, the second bevel gear is movably mounted on the mounting seat.

[0028] The first bevel gear can also be driven to rotate by the motor.

[0029] Further, the locking mechanism comprises:

[0030] The locking seat is mounted on the mounting seat;

[0031] The locking piece is movably mounted on the locking seat;

[0032] The spring is arranged between the locking seat and the mounting seat;

[0033] The end face tooth part is arranged on the locking seat;

[0034] The end face tooth ring is arranged on the rotating seat and corresponds to the end face tooth part.

[0035] The locking piece locks the locking seat on the mounting seat, when the locking piece is unlocked, the locking seat separates the end face tooth part from the end face tooth ring under the action of the spring, the locking of the rotating seat by the locking seat is released, and the rotating seat can rotate around the axis, when the locking seat needs to lock the rotating seat, the locking seat and the mounting seat are locked by the locking piece.

[0036] Further, the locking piece is provided with a clamping part, and the mounting seat is provided with a clamping groove corresponding to the clamping part.

[0037] The clamping part and the clamping groove are matched, the clamping groove is L-shaped, and when the locking piece needs to lock the locking seat, the clamping part is clamped at the bottom of the clamping groove.

[0038] Further, the reinforcing ribs are arranged between the telescopic rod and the hand wheel arc part.

[0039] The reinforcing ribs are all welded between the telescopic rod and the hand wheel arc part, the structural strength between the telescopic rod and the hand wheel arc part is improved, the hand wheel arc part is more stable and durable, and the service life is improved.

[0040] The beneficial effects of the present application are:

[0041] 1. The hand wheel arc part is telescoped on the mounting seat through the telescopic rod, the torque when the valve rod rotates can be increased, and the valve rod rotates more labor-saving.

[0042] 2. When the hand wheel assembly does not need to rotate, the telescopic rod is retracted into the mounting seat, and the space occupation of the hand wheel assembly is reduced.

[0043] 3. The telescopic distance of the telescopic rod can be adjusted through the adjusting mechanism, and the rotating seat can be locked through the locking mechanism, and the stability of the hand wheel assembly during rotation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 It is a structural schematic view of the valve of the present application;

[0045] Figure 2 It is a structural schematic view of the hand wheel assembly of the present application;

[0046] Figure 3 This is a top view of the mounting base of this application;

[0047] Figure 4 This is a bottom view of the locking seat structure of this application;

[0048] In the attached figures, the following reference numerals are used: 100, valve body; 200, valve stem; 300, handwheel assembly; 310, mounting base; 311, telescopic hole; 320, telescopic rod; 321, slide block; 330, handwheel arc; 340, rotating seat; 341, slide groove; 350, adjusting mechanism; 351, rotating handle; 352, first bevel tooth; 353, second bevel tooth; 360, locking mechanism; 361, locking seat; 362, locking element; 363, spring; 364, end face tooth; 365, end face tooth ring; 366, snap-fit ​​part; 367, snap-fit ​​groove; 370, reinforcing rib. Detailed Implementation

[0049] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0050] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0051] The embodiments of this application are described in detail below with reference to the accompanying drawings, through specific examples and application scenarios.

[0052] Example 1:

[0053] like Figures 1-4 As shown, this application provides a valve, including:

[0054] Valve body 100 has an inlet and an outlet;

[0055] Valve seat, installed inside valve body 100;

[0056] The sealing piston is movably positioned within the valve body 100 and is adapted to the valve seat;

[0057] Valve stem 200, at the sealing piston connection;

[0058] Hand wheel assembly 300, with valve stem 200 connection;

[0059] Wherein, the hand wheel assembly 300 includes mounting seat 310, telescopic rod 320, hand wheel arc 330, the hand wheel arc 330 is provided with several, the telescopic rod 320 is connected with corresponding hand wheel arc 330, the telescopic rod 320 is movably connected on mounting seat 310, the mounting seat 310 is installed with valve stem 200 connection.

[0060] Valve seat, sealing piston is installed in valve body 100, same as prior art, through hand wheel assembly 300 rotates valve stem 200 realizes sealing piston's opening and closing, mounting seat 310 is installed with valve stem 200 connection, hand wheel arc 330 is provided with 4-6, all hand wheel arc 330 can be spliced into a ring, hand wheel arc 330 is placed on mounting seat 310 through telescopic rod 320 and is telescopic, can increase the moment of force when valve stem 200 rotates, make valve stem 200 rotate more labor-saving, when hand wheel assembly 300 does not need to rotate, through telescopic rod 320 is retracted in mounting seat 310, reduce the space occupation of hand wheel assembly 300.

[0061] Further, the hand wheel assembly 300 further includes:

[0062] Telescopic hole 311, is placed on mounting seat 310;

[0063] Rotary seat 340, movably installed in mounting seat 310;

[0064] Slide groove 341, is placed on rotary seat 340;

[0065] Slide seat 321, is installed on telescopic rod 320 and is matched with slide groove 341;

[0066] Adjusting mechanism 350, is placed on hand wheel assembly 300, the adjusting mechanism 350 is used for adjusting rotary seat 340 rotation;

[0067] Locking mechanism 360, is placed on hand wheel assembly 300, the locking mechanism 360 is used for locking rotary seat 340;

[0068] Wherein, the telescopic rod 320 is movably connected with telescopic hole 311.

[0069] The telescopic activity of the telescopic rod 320 is achieved through the telescopic hole 311, the rotary seat 340 is movably connected with the telescopic rod 320 through the sliding groove 341 and the sliding seat 321, when the rotary seat 340 moves, the sliding seat 321 moves in the sliding groove 341, the telescopic drive of the telescopic rod 320 is achieved, the telescopic distance of the telescopic rod 320 can be adjusted through the adjusting mechanism 350, the rotary seat 340 can be locked through the locking mechanism 360, which is convenient for the stability of the hand wheel assembly 300 during rotation.

[0070] Further, the adjusting mechanism 350 comprises:

[0071] The rotating handle 351 is movably installed on the mounting seat 310;

[0072] The first bevel gear 352 is movably installed on the rotating handle 351;

[0073] The second bevel gear 353 is movably installed on the rotary seat 340 and cooperates with the first bevel gear 352.

[0074] The adjusting mechanism 350 drives the rotary seat 340 to rotate by rotating the rotating handle 351, the first bevel gear 352 is movably installed on the rotating handle 351, and the second bevel gear 353 is movably installed on the rotary seat 340.

[0075] The first bevel gear 352 can also be driven to rotate by a motor.

[0076] Further, the locking mechanism 360 comprises:

[0077] The locking seat 361 is movably installed on the mounting seat 310;

[0078] The locking member 362 is movably installed on the locking seat 361;

[0079] The spring 363 is arranged between the locking seat 361 and the mounting seat 310;

[0080] The end face tooth part 364 is arranged on the locking seat 361;

[0081] The end face tooth ring 365 is arranged on the rotary seat 340 and corresponds to the end face tooth part 364.

[0082] The locking member 362 locks the locking seat 361 on the mounting seat 310, when the locking member 362 is unlocked, the locking seat 361 is separated from the end face tooth ring 365 under the action of the spring 363, the locking seat 361 is unlocked from the rotary seat 340, and the rotary seat 340 can rotate around the axis, when the locking seat 361 needs to be locked, the locking seat 361 is locked on the mounting seat 310 through the locking member 362.

[0083] Furthermore, the locking member 362 is provided with a snap-fit ​​portion 366, and the mounting base 310 is provided with a snap-fit ​​groove 367 corresponding to the snap-fit ​​portion 366.

[0084] The snap-fit ​​part 366 is adapted to the snap-fit ​​groove 367, which is L-shaped. When the locking member 362 needs to lock the locking seat 361, the snap-fit ​​part 366 snaps into the bottom of the snap-fit ​​groove 367.

[0085] Example 2:

[0086] like Figure 1 As shown, this application embodiment provides a valve, which, in addition to including the above-mentioned technical features, further includes a reinforcing rib 370 provided between the telescopic rod 320 and the handwheel arc portion 330.

[0087] The reinforcing rib 370, the telescopic rod 320, and the handwheel arc 330 are all welded together, which improves the structural strength between the telescopic rod 320 and the handwheel arc 330, making the handwheel arc 330 more stable and durable, and increasing its service life.

[0088] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0089] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A valve, characterized in that The utility model relates to a valve body (100) with an inlet and an outlet, a valve seat installed in the valve body (100), a sealing piston movably disposed in the valve body (100) and adapted to the valve seat, a valve stem (200) connected to the sealing piston, a hand wheel assembly (300) connected to the valve stem (200), wherein the hand wheel assembly (300) comprises a mounting seat (310), a telescopic rod (320), and a plurality of hand wheel arcs (330), the telescopic rod (320) is connected to the corresponding hand wheel arc (330), the telescopic rod (320) is movably connected to the mounting seat (310), and the mounting seat (310) is movably connected to the valve stem (200). The hand wheel assembly (300) further comprises a telescopic hole (311) disposed on the mounting seat (310), a rotating seat (340) movably installed in the mounting seat (310), a sliding groove (341) disposed on the rotating seat (340), a sliding seat (321) installed on the telescopic rod (320) and corresponding matched with the sliding groove (341), an adjusting mechanism (350) disposed on the hand wheel assembly (300) and used for adjusting the rotation of the rotating seat (340), and a locking mechanism (360) disposed on the hand wheel assembly (300) and used for locking the rotating seat (340). The telescopic rod (320) is movably connected to the telescopic hole (311). The adjusting mechanism (350) comprises a rotating handle (351) movably installed on the mounting seat (310), a first bevel gear (352) movably connected to the rotating handle (351), and a second bevel gear (353) matched with the first bevel gear (352) and movably connected to the rotating seat (340). The locking mechanism (360) comprises a locking seat (361) movably installed on the mounting seat (310), a locking piece (362) movably installed on the locking seat (361), a spring (363) disposed between the locking seat (361) and the mounting seat (310), an end face tooth portion (364) disposed on the locking seat (361), and an end face tooth ring (365) disposed on the rotating seat (340) and corresponding matched with the end face tooth portion (364). The locking piece (362) is provided with a clamping portion (366), and the mounting seat (310) is provided with a clamping groove (367) corresponding to the clamping portion (366). The telescopic rod (320) and the hand wheel arc (330) are provided with a reinforcing rib (370).

2. The valve of claim 1, wherein ​ ​ ​ ​ ​ ​ ​ ​ 3. The valve of claim 2, wherein ​ ​ ​ ​ 4. The valve of claim 3, wherein ​ ​ ​ ​ ​ ​ 5. The valve of claim 4, wherein ​ 6. The valve of claim 5, wherein ​

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