High-precision double-adjustment ball valve

Abstract

The utility model discloses a high-precision double-adjustment ball valve, and relates to the field of valves. The high-precision double-adjustment ball valve comprises a valve body and two sets of spherical valve elements arranged in the valve body, valve rod pieces are installed at the top ends of the spherical valve elements, a movable handle piece is arranged on the outer surface of the valve body and located between the two sets of valve rod pieces, and the movable handle piece comprises a rotating arm, a worm gear, a hexagonal pipe and a worm. During use, the rotating arm rotates with the supporting seat as the axis, so that the supporting ring rotates to the top of any valve rod piece, then the hexagonal pipe is pushed downwards in the worm wheel, the hexagonal pipe is arranged on the outer surface of the outer hexagonal column in a sleeving mode, at the moment, the handle is held by one hand, the adjusting rod is rotated by the other hand, and the worm drives the worm wheel to rotate; and the top of the other group of valve rod pieces is not provided with a rotatable holding part, so that mistaken touch rotation of non-target valve rod pieces can be effectively avoided, and the valve rod piece is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely is a kind of high-precision double-regulation ball valve. BACKGROUND

[0002] Double-regulation ball valve is also named double-connected ball valve, it is a kind of valve that is provided with two groups of ball-shaped valve spools inside valve body, is adjusted respectively by the valve stem of two groups of valve spools, to achieve the effect of accurately controlling flow, and fluid is more stable, and sealing effect is better.

[0003] However, the common double-regulation ball valve on the market usually directly installs a group of valve handles at the top of each valve stem, which makes the positions of the two handles close to each other in actual use, which makes it easy to cause the other valve spool to move due to accidental touch when adjusting a valve stem, affecting use, therefore, a high-precision double-regulation ball valve is provided. SUMMARY

[0004] The utility model provides a kind of high-precision double-regulation ball valve, solve the common double-regulation ball valve on the market usually directly installs a group of valve handles at the top of each valve stem, which makes the positions of the two handles close to each other in actual use, which makes it easy to cause the other valve spool to move due to accidental touch when adjusting a valve stem, affecting use.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: to achieve the above purpose, the utility model is realized by the following technical scheme: a kind of high-precision double-regulation ball valve, including valve body and two groups of ball-shaped valve spools arranged in the valve body, the top of the ball-shaped valve spool is installed with valve stem piece, the outer surface of the valve body and between two groups of valve stem pieces is provided with movable handle piece, the movable handle piece includes;

[0006] rotary arm, rotationally arranged on valve body;

[0007] worm gear, rotationally arranged at the end of rotary arm;

[0008] hexagonal pipe, movably inserted into the inside of worm gear, the hexagonal pipe is movably inserted with valve stem piece, for driving valve stem piece rotation;

[0009] worm, rotationally arranged on the side surface of rotary arm, the worm is engaged with worm gear.

[0010] Preferably, the outer surface of the valve body is integrally formed with a valve rod seat, and the valve stem piece movably penetrates the valve rod seat.

[0011] Preferably, the top of the valve rod seat is provided with a sealing sleeve, the top of the sealing sleeve is provided with a fixed nut, and the fixed nut is threadedly connected with the valve rod seat.

[0012] Preferably, a scale nameplate is fixedly attached to the top of the fixed nut, and an identification block is fixedly welded to the top end of the valve rod, which is above the scale nameplate.

[0013] Preferably, a support seat is fixedly welded between the two groups of valve rod seats, and the rotating arm is rotatably connected to the top end of the support seat.

[0014] Preferably, an outer hexagonal column is fixedly welded to the top end of the valve rod, the inner wall of the hexagonal tube is attached to the outer hexagonal column, and the outer surface of the hexagonal tube is attached to the inner wall of the worm gear.

[0015] Preferably, a support ring is integrally formed at the end of the rotating arm, and the worm gear is rotatably connected in the support ring.

[0016] Preferably, a connecting portion is integrally formed on the outer surface of the support ring, an adjusting rod is rotatably connected inside the connecting portion, and the worm is fixedly sleeved on the outer surface of the adjusting rod.

[0017] Preferably, a handle is integrally formed on the outer surface of the rotating arm, and a anti-loose ring is fixedly connected to both ends of the hexagonal tube.

[0018] The utility model discloses a high-precision double-adjusting ball valve, which has the following beneficial effects: by setting the movable handle piece, the rotating arm is rotated around the support seat during use, the support ring is rotated to the top of any valve rod, then the hexagonal tube is pushed down inside the worm gear, the hexagonal tube is sleeved on the outer surface of the outer hexagonal column, one hand holds the handle, the other hand rotates the adjusting rod, the worm drives the worm gear to rotate, the hexagonal tube drives the outer hexagonal column to rotate, thereby realizing the rotation of the spherical valve core, and the top of the other valve rod has no rotatable holding part, so that the non-target valve rod can be effectively prevented from being rotated by mistake, and the utility model is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole outer surface structure schematic view of the utility model;

[0020] Figure 2 It is a whole side structure schematic view of the utility model;

[0021] Figure 3 It is a valve rod outer surface structure schematic view of the utility model;

[0022] Figure 4 It is a movable handle piece structure schematic view of the utility model.

[0023] In the figure: 1, valve body; 12, valve rod seat; 13, valve rod piece; 14, spherical valve core; 15, sealing sleeve; 16, fixed nut; 17, scale nameplate; 18, identification block; 19, outer hexagonal column; 2, movable handle piece; 21, support seat; 22, rotating arm; 23, support ring; 24, worm gear; 25, hexagonal tube; 26, anti-dropping ring; 27, connecting part; 28, worm; 29, adjusting rod; 210, handle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] The high-precision double-adjustment ball valve provided by the embodiments of the application solves the problem that the common double-adjustment ball valve on the market usually directly installs a set of valve handle at the top end of each valve rod, which makes the positions of the two handles close to each other in actual use, and makes it extremely easy for the other valve core to move due to accidental touch when adjusting a valve rod, thereby affecting use.

[0026] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in combination with the drawings in the specification and specific embodiments.

[0027] The embodiments of the utility model disclose a high-precision double-adjustment ball valve.

[0028] Embodiment one,

[0029] According to the drawings Figures 1-4 As shown in the figure, it comprises a valve body 1 and two groups of spherical valve cores 14 arranged inside the valve body 1, the top end of the spherical valve core 14 is provided with a valve rod piece 13, the outer surface of the valve body 1 and between the two groups of valve rod pieces 13 is provided with a movable handle piece 2, the movable handle piece 2 comprises;

[0030] The rotating arm 22 is rotatably arranged on the valve body 1;

[0031] The worm gear 24 is rotatably arranged at the end of the rotating arm 22;

[0032] The hexagonal tube 25 is movably inserted into the inside of the worm gear 24, the hexagonal tube 25 is movably inserted with the valve rod piece 13, and is used for driving the valve rod piece 13 to rotate;

[0033] The worm 28 is rotatably arranged on the side surface of the rotating arm 22, and the worm 28 is engaged with the worm gear 24.

[0034] The outer surface of the valve body 1 is integrally formed with valve stem seats 12, and valve stem pieces 13 movably penetrate the valve stem seats 12.

[0035] The top of the valve stem seat 12 is provided with a sealing sleeve 15, and the top of the sealing sleeve 15 is provided with a fixing nut 16 which is threadedly connected with the valve stem seat 12.

[0036] The two groups of valve stem seats 12 are fixedly welded with support seats 21, and rotating arms 22 are rotatably connected at the top ends of the support seats 21.

[0037] The top end of the valve stem piece 13 is fixedly welded with an outer hexagonal column 19, the inner wall of a hexagonal tube 25 is in close contact with the outer hexagonal column 19, and the outer surface of the hexagonal tube 25 is in close contact with the inner wall of a worm wheel 24.

[0038] The end of the rotating arm 22 is integrally formed with a support ring 23, and the worm wheel 24 is rotatably connected in the support ring 23.

[0039] The outer surface of the support ring 23 is integrally formed with a connecting portion 27, the connecting portion 27 is rotatably connected with an adjusting rod 29 inside, and a worm 28 is fixedly sleeved on the outer surface of the adjusting rod 29.

[0040] The outer surface of the rotating arm 22 is integrally formed with a handle 210, and the two ends of the hexagonal tube 25 are fixedly connected with anti-dropping rings 26.

[0041] In the embodiment, by arranging the movable handle piece 2, when in use, the rotating arm 22 is rotated with the support seat 21 as the axis, so that the support ring 23 is rotated to the top of any valve stem piece 13, then the hexagonal tube 25 is pushed downward inside the worm wheel 24, so that the hexagonal tube 25 is sleeved on the outer surface of the outer hexagonal column 19, at this time one hand holds the handle 210, and the other hand rotates the adjusting rod 29, so that the worm 28 drives the worm wheel 24 to rotate, so that the hexagonal tube 25 drives the outer hexagonal column 19 to rotate, thereby realizing the rotation of the spherical valve core 14, and the top of the other valve stem piece 13 does not have a rotatable holding portion, so that the non-target valve stem piece 13 can be effectively avoided from being accidentally rotated, and the use is convenient.

[0042] Embodiment two,

[0043] According to the drawings Figures 1-4 It is more specific that the top of the fixing nut 16 is fixedly pasted with a scale nameplate 17, and the top end of the valve stem piece 13 is fixedly welded with an identification block 18 which is located above the scale nameplate 17.

[0044] In the embodiment, when the device is in use, the hexagonal tube 25 is driven to rotate slowly by rotating the adjusting rod 29, the worm wheel 24 is driven to rotate by the worm 28, the identification block 18 is driven to rotate by the valve rod 13, the rotating range of the ball valve core 14 is accurately controlled by the position of the scale nameplate 17 indicated by the identification block 18, and the worm wheel 24 and the worm 28 have self-locking property, so that the accuracy during adjustment is improved.

[0045] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by the skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-precision double-adjusting ball valve, comprising a valve body (1) and two groups of spherical valve spools (14) arranged inside the valve body (1), the top end of the spherical valve spool (14) being provided with a valve stem piece (13), characterized in that, The outer surface of the valve body (1) and between the two groups of valve stem (13) is provided with a movable handle (2), the movable handle (2) comprises; Rotary arm (22), which is rotatably arranged on the valve body (1); Worm gear (24), which is rotatably arranged on the end of the rotary arm (22); Hexagonal tube (25), which is movably inserted into the interior of the worm gear (24), the hexagonal tube (25) is movably inserted into the valve stem (13), which is used to drive the valve stem (13) to rotate; Worm (28), which is rotatably arranged on the side of the rotary arm (22), the worm (28) is engaged with the worm gear (24).

2. The high-precision double-regulating ball valve according to claim 1, characterized in that: The outer surface of the valve body (1) is integrally formed with a valve stem seat (12), and the valve stem (13) is movably inserted into the valve stem seat (12).

3. A high-precision double-adjustment ball valve according to claim 2, characterized in that: The top of the valve stem seat (12) is provided with a sealing sleeve (15), and the top of the sealing sleeve (15) is provided with a fixed nut (16), which is threadedly connected with the valve stem seat (12).

4. A high-precision double-regulating ball valve according to claim 3, characterized in that: The top of the fixed nut (16) is fixedly pasted with a scale nameplate (17), and the top end of the valve stem (13) is fixedly welded with an identification block (18), which is located above the scale nameplate (17).

5. The high-precision double-regulating ball valve according to claim 2, characterized in that: Two groups of the valve stem seat (12) are fixedly welded with a support seat (21), and the rotary arm (22) is rotatably connected at the top end of the support seat (21).

6. The high-precision double-regulating ball valve according to claim 1, characterized in that: The top end of the valve stem (13) is fixedly welded with an outer hexagonal column (19), the inner wall of the hexagonal tube (25) is matched with the outer hexagonal column (19), and the outer surface of the hexagonal tube (25) is matched with the inner wall of the worm gear (24).

7. A high-precision double-regulating ball valve according to claim 6, characterized in that: The end of the rotary arm (22) is integrally formed with a support ring (23), and the worm gear (24) is rotatably connected in the support ring (23).

8. A high-precision double-regulating ball valve according to claim 7, characterized in that: The outer surface of the support ring (23) is integrally formed with a connecting part (27), the interior of the connecting part (27) is rotatably connected with an adjusting rod (29), and the worm (28) is fixedly sleeved on the outer surface of the adjusting rod (29).

9. The high-precision double-regulating ball valve according to claim 5, characterized in that: The outer surface of the rotary arm (22) is integrally formed with a handle (210), and the two ends of the hexagonal tube (25) are fixedly connected with anti-loose rings (26).

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