High-wear-resistance control butterfly valve

Abstract

The utility model relates to the technical field of butterfly valves, and discloses a highly wear-resistant control butterfly valve, which solves the problem that a turning plate is difficult to keep stable after rotating at present, and comprises a valve body, extension pipes are fixedly connected to two sides of the valve body, flanges are fixedly connected to the outer sides of the two extension pipes, a sealing ring is fixedly mounted in the valve body, and a sealing ring is fixedly mounted in the valve body. A turning plate is rotationally connected into the sealing ring, a valve rod is fixedly connected to the top of the turning plate, the top end of the valve rod extends to the outer side of the valve body, a driving mechanism is arranged at the top of the valve body, a folding mechanism is arranged on the driving mechanism, the driving mechanism comprises an L-shaped frame fixed to the top of the valve body, the top end of the valve rod is rotationally connected with the L-shaped frame, and a driving shaft is arranged on the outer side of the valve rod. According to the utility model, the locking standard gear is engaged with the driving standard gear to limit the driving shaft so as to prevent the driving shaft from rotating at will, and finally, the position of the turning plate is fixed to ensure the stability of the turning plate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to butterfly valve technical field, concretely is a kind of high wear-resistant control butterfly valve. BACKGROUND

[0002] Butterfly valve is also called flap valve, it is a kind of simple structure regulating valve, it can be used for low pressure pipeline medium switch control butterfly valve is to refer to the closing piece as disc, rotate around valve shaft to reach the opening and closing of a kind of valve, valve can be used to control air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium and so on various types fluid flow, mainly play cut-off and throttling role on pipeline;According to authorized announcement No.: CN217842705U, the name is "a wear-resistant eccentric sealing butterfly valve" patent file, rotating rotating rod, rotating rod drives worm rotation, worm drives worm gear rotation, worm gear drives valve rod rotation, valve rod drives flap rotation to close valve, medium flowing in valve body extrudes flap, flap drives sealing ring extrusion contact ceramic layer, ceramic layer extrusion rubber layer, utilize the elastic characteristics of rubber layer to greatly improve the sealing property of contact surface, while the design of ceramic layer can greatly reduce wear, improve wear resistance, prolong its service life;But still have the following defects:

[0003] It is difficult to keep flap stable after rotating by the cooperation of worm gear and worm to control flap rotation to realize the opening and closing of valve, and hand wheel is easy to rotate due to external touch, thereby being not conducive to the normal use of butterfly valve. UTILITY MODEL CONTENTS

[0004] In view of the above situation, in order to overcome the defects of prior art, the utility model provides a kind of high wear-resistant control butterfly valve, effectively solve the problem that it is difficult to keep flap stable after rotating at present.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high wear-resistant control butterfly valve, including valve body, the both sides of valve body are all fixedly connected with extension pipe, the outer side of two extension pipes is all fixedly connected with flange, the inside of valve body is fixedly installed with sealing ring, the inside of sealing ring is rotatably connected with flap, the top of flap is fixedly connected with valve rod, the top of valve rod extends to the outside of valve body, the top of valve body is equipped with drive mechanism, and folding mechanism is equipped on drive mechanism;

[0006] The driving mechanism comprises an L-shaped frame fixed to the top of the valve body, the top end of the valve rod is rotationally connected with the L-shaped frame, the outer side of the valve rod is provided with a driving shaft, the outer side of the driving shaft is fixedly installed with a driving standard gear, the end of the driving shaft away from the valve rod is provided with a cross column, a folding mechanism is arranged between the cross column and the driving shaft, the end of the cross column away from the driving shaft is fixedly connected with a hand wheel, an L-shaped plate is fixedly connected between the L-shaped frame and the valve body, the end of the driving shaft close to the valve rod is rotationally connected with the L-shaped plate, the inner side of the L-shaped plate is fixedly connected with an L-shaped round rod, the outer side of the L-shaped round rod movably sleeves the lifting plate, the outer side of the lifting plate is fixedly connected with a handle, the bottom of the lifting plate is fixedly connected with a locking spring between the L-shaped plate, the locking spring sleeves the outer side of the L-shaped round rod, and the top of the lifting plate is fixedly connected with a locking standard gear meshing with the driving standard gear.

[0007] Preferably, the L-shaped plate is provided with a through groove, and the lifting plate is slidably connected with the through groove.

[0008] Preferably, the inner top wall of the L-shaped frame is fixedly installed with a vertical plate, the driving shaft penetrates through the vertical plate and is rotationally connected with the vertical plate, the side of the vertical plate close to the valve rod is rotationally connected with an intermediate shaft located above the driving shaft, the end of the intermediate shaft away from the vertical plate is fixedly connected with an intermediate bevel gear, the intermediate shaft penetrates through the L-shaped plate and is rotationally connected with the L-shaped plate, the outer side of the valve rod is fixedly installed with a driven bevel gear, the driven bevel gear is meshingly connected with the intermediate bevel gear, the outer side of the intermediate shaft is fixedly installed with an intermediate standard gear, and the intermediate standard gear is meshingly connected with the driving standard gear.

[0009] Preferably, the folding mechanism comprises a sleeve ring fixed to the outer side of the driving shaft, the sleeve ring is located at the side of the vertical plate away from the L-shaped plate, the outer side of the sleeve ring is rotationally connected with a cylinder, the outer side of the cylinder movably sleeves a sliding plate, the sliding plate is fixedly connected with a connecting frame between the cylinder, the connecting frame is located at the outer side of the cylinder, the side of the connecting frame away from the cross column is fixedly connected with a plug block, the end of the driving shaft close to the sliding plate is provided with a plug slot, and the plug block is inserted into the plug slot.

[0010] Preferably, the outer side of the cylinder is symmetrically fixedly sleeved with two outer rings, the two outer rings are both fixedly connected with a reset spring between the sliding plate, and the two reset springs are both sleeved on the outer side of the cylinder.

[0011] Preferably, the bottom of the sliding plate is fixedly connected with a positioning rod, the bottom of the vertical plate is provided with a positioning hole, and the inner diameter value of the positioning hole is equal to the outer diameter value of the positioning rod.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1.The utility model discloses, through the cooperation between hand wheel, cross column, drive shaft, drive standard gear, intermediate standard gear, intermediate shaft, intermediate bevel gear and driven bevel gear, it is convenient for valve stem to drive flap rotation to realize the opening and closing of valve, and through the cooperation between lifting plate, L type round bar, through groove and locking spring, it is convenient for locking standard gear and drive standard gear to engage and limit drive shaft to avoid its arbitrary rotation, finally the position of flap is fixed to guarantee its stability.

[0014] 2.The novel passes through the cooperation between sleeve ring, cylinder, sliding plate, return spring, outer ring, connecting frame and cross column, and it is convenient for sliding plate to move and drive the movement of insert block and positioning rod, when insert block is inserted into the slot, the horizontal fixation of cross column can be realized, then through rotating hand wheel, the rotation of cross column and drive shaft can be driven, when positioning rod is inserted into positioning hole, the vertical fixation of cross column can be realized, thereby the hand wheel can be stored for the storage or transportation of butterfly valve. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model, and constitute part of the specification, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation of the utility model.

[0016] In the drawings:

[0017] Figure 1 It is the structure schematic diagram of the utility model high wear -resisting type control butterfly valve.

[0018] Figure 2 It is the structure schematic diagram of the utility model drive mechanism.

[0019] Figure 3 It is the structure schematic diagram of the utility model lifting plate.

[0020] Figure 4 It is the structure schematic diagram of the utility model folding mechanism.

[0021] Figure 5 It is the structure schematic diagram of the utility model drive shaft and sliding plate disassembly.

[0022] In the figure: 1, valve body; 2, driving mechanism; 201, L-shaped frame; 202, driven bevel gear; 203, intermediate bevel gear; 204, L-shaped plate; 205, locking standard gear; 206, through slot; 207, lifting plate; 208, driving standard gear; 209, driving shaft; 2010, hand wheel; 2011, cross column; 2012, vertical plate; 2013, intermediate shaft; 2014, intermediate standard gear; 2015, L-shaped round rod; 2016, locking spring; 2017, handle; 3, folding mechanism; 301, sleeve ring; 302, positioning hole; 303, outer ring; 304, return spring; 305, sliding plate; 306, cylinder; 307, connecting frame; 308, positioning rod; 309, insertion slot; 3010, insertion block; 4, valve stem; 5, sealing ring; 6, flap; 7, extension pipe; 8, flange. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 protection scope of the utility model.

[0024] Embodiment one, by Figure 1 The utility model relates to a kind of high wear-resistant control butterfly valves, including valve body 1, the both sides of valve body 1 are fixedly connected with extension pipe 7, the outside of two extension pipes 7 is fixedly connected with flange 8, the inside of valve body 1 is fixedly installed with sealing ring 5, sealing ring 5 is rotatably connected with flap 6 in its inside, flap 6 is fixedly connected with valve stem 4 in its top, valve stem 4 top end extends to the outside of valve body 1, the top of valve body 1 is equipped with driving mechanism 2, driving mechanism 2 is equipped with folding mechanism 3, valve body 1 is made of gray cast iron material, flap 6 is made of stainless steel material, guarantee the wear resistance of entire butterfly valve;

[0025] Specifically, by Figures 2-3The driving mechanism 2 comprises an L-shaped frame 201 fixed on the top of the valve body 1, the top end of the valve rod 4 is rotatably connected with the L-shaped frame 201, the outer side of the valve rod 4 is provided with a driving shaft 209, the outer side of the driving shaft 209 is fixedly installed with a driving standard gear 208, the end of the driving shaft 209 away from the valve rod 4 is provided with a cross column 2011, the cross column 2011 and the driving shaft 209 are provided with a folding mechanism 3, the end of the cross column 2011 away from the driving shaft 209 is fixedly connected with a hand wheel 2010, the L-shaped frame 201 and the valve body 1 are fixedly connected with an L-shaped plate 204, the end of the driving shaft 209 close to the valve rod 4 is rotatably connected with the L-shaped plate 204, the inner side of the L-shaped plate 204 is fixedly connected with an L-shaped round rod 2015, the outer side of the L-shaped round rod 2015 movably sleeves the lifting plate 207, the outer side of the lifting plate 207 is fixedly connected with a handle 2017, the bottom of the lifting plate 207 and the L-shaped plate 204 are fixedly connected with a locking spring 2016, the locking spring 2016 sleeves the outer side of the L-shaped round rod 2015, the top of the lifting plate 207 is fixedly connected with a locking standard gear 205 engaged with the driving standard gear 208, the L-shaped plate 204 is provided with a through slot 206, the lifting plate 207 and the through slot 206 are slidably connected, through the through slot 206, the rotation of the lifting plate 207 is avoided, the inner top wall of the L-shaped frame 201 is fixedly installed with a vertical plate 2012, the driving shaft 209 penetrates through the vertical plate 2012 and is rotatably connected with the vertical plate 2012, the side of the vertical plate 2012 close to the valve rod 4 is rotatably connected with an intermediate shaft 2013 above the driving shaft 209, the end of the intermediate shaft 2013 away from the vertical plate 2012 is fixedly connected with an intermediate bevel gear 203, the intermediate shaft 2013 penetrates through the L-shaped plate 204 and is rotatably connected with the L-shaped plate 204, the outer side of the valve rod 4 is fixedly installed with a driven bevel gear 202, the driven bevel gear 202 is engagedly connected with the intermediate bevel gear 203, the outer side of the intermediate shaft 2013 is fixedly installed with an intermediate standard gear 2014, the intermediate standard gear 2014 is engagedly connected with the driving standard gear 208;

[0026] In operation, firstly, slide the lifting plate 207 downwards along the L-shaped rod 2015 and through groove 206 using handle 2017. This causes the locking standard gear 205 to descend and separate from the driving standard gear 208. At this time, the locking spring 2016 is compressed. Then, rotate the handwheel 2010 to rotate the horizontal column 2011 and drive shaft 209, which in turn rotates the driving standard gear 208. Since the driving standard gear 208 is meshed with the intermediate standard gear 2014, it drives the intermediate shaft 2013 to rotate, which in turn drives the intermediate bevel gear. When wheel 203 rotates, the intermediate bevel gear 203 meshes with the driven bevel gear 202, thereby driving the valve stem 4 to rotate. At the same time, the flap plate 6 rotates to open and close the valve. Then, the handle 2017 is released, at which point the locking spring 2016 resets and drives the lifting plate 207 to slide upward along the L-shaped round rod 2015 and the through groove 206. At the same time, the locking standard gear 205 rises until it meshes with the driving standard gear 208, limiting the drive shaft 209 to prevent it from rotating arbitrarily. Finally, the position of the flap plate 6 is fixed to ensure its stability.

[0027] Specifically, by Figures 4-5 The folding mechanism 3 includes a collar 301 fixed to the outside of the drive shaft 209. The collar 301 is located on the side of the upright plate 2012 away from the L-shaped plate 204. A cylinder 306 is rotatably connected to the outside of the collar 301. A slide plate 305 is movably sleeved on the outside of the cylinder 306. A connecting frame 307 is fixedly connected between the slide plate 305 and the horizontal column 2011. The connecting frame 307 is located on the outside of the cylinder 306. An insert block 3010 is fixedly connected to the side of the connecting frame 307 away from the horizontal column 2011. The drive shaft 209... 9. A slot 309 is provided at one end near the slide plate 305. The insert block 3010 is inserted into the slot 309. Two outer rings 303 are symmetrically fixedly sleeved on the outer side of the cylinder 306. A return spring 304 is fixedly connected between the two outer rings 303 and the slide plate 305. The two return springs 304 are sleeved on the outer side of the cylinder 306. A positioning rod 308 is fixedly connected to the bottom of the slide plate 305. A positioning hole 302 is provided at the bottom of the upright plate 2012. The inner diameter of the positioning hole 302 is equal to the outer diameter of the positioning rod 308.

[0028] In the initial state, the plug 3010 is inserted into the slot 309, and the cross column 2011 is parallel to the drive shaft 209, so that the hand wheel 2010 can be rotated to drive the rotation of the cross column 2011 and the drive shaft 209. When the butterfly valve needs to be stored or transported, first pull the hand wheel 2010, move the connecting frame 307 through the cross column 2011, and drive the sliding plate 305 to slide along the cylinder 306. At this time, the two reset springs 304 are stretched, until the plug 3010 is removed from the slot 309. Then rotate the cross column 2011 downward by 90°, at this time the cross column 2011 is perpendicular to the drive shaft 209, and the hand wheel 2010 is located at the bottom end of the cross column 2011. Then make the positioning rod 308 inserted into the positioning hole 302 under the elastic force of the two reset springs 304, fix the position of the cross column 2011, and finally fold and store the cross column 2011 and the hand wheel 2010, which is convenient for subsequent storage or transportation of the butterfly valve.

Claims

1. A high-wear-resistant control butterfly valve comprising a valve body (1), characterized in that: Both sides of the valve body (1) are fixedly connected with extension pipes (7), the outer sides of the two extension pipes (7) are fixedly connected with flanges (8), the inside of the valve body (1) is fixedly installed with a sealing ring (5), the inside of the sealing ring (5) is rotatably connected with a flap (6), the top of the flap (6) is fixedly connected with a valve rod (4), the top end of the valve rod (4) extends to the outside of the valve body (1), the top of the valve body (1) is provided with a driving mechanism (2), and the driving mechanism (2) is provided with a folding mechanism (3). The driving mechanism (2) comprises an L-shaped frame (201) fixed to the top of the valve body (1), the top end of the valve rod (4) is rotatably connected with the L-shaped frame (201), the outer side of the valve rod (4) is provided with a driving shaft (209), the outer side of the driving shaft (209) is fixedly installed with a driving standard gear (208), the end of the driving shaft (209) away from the valve rod (4) is provided with a cross column (2011), the folding mechanism (3) is arranged between the cross column (2011) and the driving shaft (209), the end of the cross column (2011) away from the driving shaft (209) is fixedly connected with a hand wheel (2010), the L-shaped frame (201) and the valve body (1) are fixedly connected with an L-shaped plate (204), the end of the driving shaft (209) close to the valve rod (4) is rotatably connected with the L-shaped plate (204), the inner side of the L-shaped plate (204) is fixedly connected with an L-shaped round rod (2015), the outer side of the L-shaped round rod (2015) movably sleeves an elevating plate (207), the outer side of the elevating plate (207) is fixedly connected with a handle (2017), the bottom of the elevating plate (207) and the L-shaped plate (204) are fixedly connected with a locking spring (2016), the locking spring (2016) sleeves the outer side of the L-shaped round rod (2015), and the top of the elevating plate (207) is fixedly connected with a locking standard gear (205) meshing with the driving standard gear (208).

2. The high-wear-resistant control butterfly valve according to claim 1, characterized in that: The L-shaped plate (204) is provided with a through groove (206), and the elevating plate (207) is slidably connected with the through groove (206).

3. The high-wear-resistant control butterfly valve according to claim 1, characterized in that: The inner top wall of the L-shaped frame (201) is fixedly installed with a vertical plate (2012), the driving shaft (209) penetrates through the vertical plate (2012) and is rotatably connected with the vertical plate (2012), one side of the vertical plate (2012) close to the valve rod (4) is rotatably connected with an intermediate shaft (2013) located above the driving shaft (209), the end of the intermediate shaft (2013) away from the vertical plate (2012) is fixedly connected with an intermediate bevel gear (203), the intermediate shaft (2013) penetrates through the L-shaped plate (204) and is rotatably connected with the L-shaped plate (204), the outer side of the valve rod (4) is fixedly installed with a driven bevel gear (202), the driven bevel gear (202) is meshingly connected with the intermediate bevel gear (203), the outer side of the intermediate shaft (2013) is fixedly installed with an intermediate standard gear (2014), and the intermediate standard gear (2014) is meshingly connected with the driving standard gear (208).

4. The high-wear-resistant control butterfly valve according to claim 1, characterized in that: The folding mechanism (3) comprises a sleeve ring (301) fixed outside the driving shaft (209), the sleeve ring (301) is located on the side of the vertical plate (2012) away from the L-shaped plate (204), the outer side of the sleeve ring (301) is rotatably connected with a cylinder (306), the outer side of the cylinder (306) movably sleeves a sliding plate (305), the sliding plate (305) is fixedly connected with a connecting frame (307) between the horizontal column (2011), the connecting frame (307) is located on the outer side of the cylinder (306), the side of the connecting frame (307) away from the horizontal column (2011) is fixedly connected with an insertion block (3010), the end of the driving shaft (209) close to the sliding plate (305) is provided with a slot (309), and the insertion block (3010) is inserted into the slot (309).

5. A high-wear-resistant control butterfly valve according to claim 4, characterized in that: The outer side of the cylinder (306) is fixedly sleeved with two outer rings (303) in a symmetrical manner, the two outer rings (303) are fixedly connected with reset springs (304) between the sliding plate (305), and the two reset springs (304) are sleeved on the outer side of the cylinder (306).

6. A high-wear-resistant control butterfly valve according to claim 4, characterized in that: The bottom of the sliding plate (305) is fixedly connected with a positioning rod (308), the bottom of the vertical plate (2012) is provided with a positioning hole (302), and the inner diameter value of the positioning hole (302) is equal to the outer diameter value of the positioning rod (308).

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