Special track ball valve for safety hydrogenation device

Abstract

The utility model discloses a special rail ball valve for a safety hydrogenation device, which belongs to the technical field of valves and comprises a valve body. The upper end of the valve body is connected with a driving mechanism for driving the valve to open and close; the lower end of the valve body is connected with a dismounting mechanism convenient to overhaul; the driving mechanism comprises a driving assembly, a valve opening and closing assembly and a compensation sealing assembly. The driving assembly is connected to the upper end of the valve body. The valve opening-closing assembly is connected to the lower end of the driving assembly; the valve opening and closing assembly is arranged on the inner side of the valve body. The valve opening and closing assembly used for guaranteeing the sealing performance of the valve is connected to the upper end of the valve body. By means of the mode, the valve opening and closing assembly is driven by the driving assembly to rotate, so that opening and closing of the valve are controlled, and control over hydrogen transmission is achieved; leakproofness of the interior of the valve is achieved through the compensation sealing assembly, and therefore hydrogen leakage is avoided; and the valve is quickly disassembled and assembled through the disassembling and assembling mechanism, and internal workpieces of the valve are conveniently overhauled.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to a special track ball valve of safe hydrogenation device. BACKGROUND

[0002] In the valve technical field, along with the continuous advancement of global industrialization process and the vigorous development of many industries such as energy, chemical industry, pharmacy, the demand for valve is increasing day by day and increasingly strict, as a key control component in fluid conveying system, the market scale of valve is expanding, and track ball valve highlights unique advantages and important position under such industry background.

[0003] Chinese patent CN221323369U discloses a track ball valve, including valve body, the top of the ball valve body is fixedly installed with the cover in the valve body, the positioning frame is fixedly installed in the valve body above the ball, the guide sleeve is movably installed in the positioning frame, the cylindrical pin is slidably installed in the guide sleeve, the bottom end of the cylindrical pin is fixedly installed in the top of the ball, the mounting sleeve is fixedly installed in the top of the cover, the internal thread cylinder is rotatably installed in the mounting sleeve, the track sleeve is fixedly installed in the mounting sleeve below the internal thread cylinder, the valve rod is rotatably penetrated in the cover, and the bottom end of the valve rod is fixedly installed in the top of the guide sleeve. However, the device still has the following problems:

[0004] When the ball valve internal workpiece needs to be overhauled, the whole ball valve needs to be disassembled, which is not convenient for overhaul operation.

[0005] Based on this, the utility model discloses a kind of special track ball valves of safe hydrogenation device to solve above-mentioned problems. INVENTION CONTENTS

[0006] In view of the above-mentioned shortcomings of prior art, the utility model provides a kind of special track ball valves of safe hydrogenation device.

[0007] To achieve the above object, the utility model is realized by the following technical scheme:

[0008] A kind of special track ball valve of safe hydrogenation device, including valve body;

[0009] The valve body upper end is connected with the drive mechanism for driving valve opening and closing;Valve body lower end is connected with the dismounting mechanism for facilitating overhaul;

[0010] The drive mechanism includes drive assembly, valve opening and closing assembly and compensation sealing assembly, and the drive assembly for driving valve opening and closing assembly rotation is connected on the valve body upper end;Valve opening and closing assembly for controlling valve opening and closing is connected on the drive assembly lower end;Valve opening and closing assembly is arranged on the inner side of valve body;Valve opening and closing assembly for guaranteeing the sealing property of valve is connected on the valve body upper end.

[0011] Further, the driving assembly comprises a valve rod, a threaded rod, a sleeve I, a sliding block and a sleeve II, the valve rod is slidably connected to the upper end of the valve body, a threaded rod is rotatably connected to the upper end of the valve rod, the upper end of the threaded rod is connected to a driving device, the driving device is a hand wheel or a motor, the outer wall of the valve rod is slidably connected to the sleeve I, the upper end of the sleeve I is fixedly connected to the sleeve II, the sleeve II is threadedly connected to the threaded rod, the lower end of the sleeve I is fixedly connected to the upper end of the valve body, the outer wall of the sleeve I is provided with a movable groove, the movable groove comprises two straight grooves and a spiral groove, the upper end of the spiral groove is in communication with the upper straight groove, the lower end of the spiral groove is in communication with the lower straight groove, the side wall of the valve rod is fixedly connected to the sliding block, and the sliding block is limitingly and slidably connected to the movable groove.

[0012] Further, the valve opening and closing assembly comprises a tapered block, a valve flap, an upper limiting block, a lower limiting block and a positioning block, the lower end of the valve rod is fixedly connected to the tapered block, the inner side of the tapered block is provided with a through groove, the left and right ends of the tapered block are connected to the valve flap, the side walls of the left and right valve flaps facing each other are provided with T-shaped grooves, the left and right T-shaped grooves are limitingly and slidably connected to the two ends of the tapered block, the upper end of the valve flap is slidably connected to the upper limiting block, the lower end of the valve flap is slidably connected to the lower limiting block, the inner wall of the valve body is fixedly connected to the upper limiting block, the lower end of the lower limiting block is connected to the dismounting mechanism, and the lower end of the tapered block is provided with the positioning block connected to the dismounting mechanism.

[0013] Further, the distance between the left and right side walls of the tapered block gradually decreases from top to bottom.

[0014] Further, the side walls of the left and right valve flaps away from each other are provided with inclined surfaces.

[0015] Further, the compensation sealing assembly comprises a gland, a bolt I, a disc spring and a packing, the upper end of the valve body is inserted into the gland, the gland is slidably connected to the valve rod, the upper end of the gland is inserted into the bolt I, the lower end of the bolt I is threadedly connected to the upper end of the valve body, the outer wall of the bolt I is sleeved with the disc spring, the upper end of the disc spring abuts against the bolt I, the lower end of the disc spring is fixedly connected to the upper end of the gland, the lower end of the gland is provided with the packing, and the packing is arranged at the gap between the valve rod and the upper end of the valve body.

[0016] Further, the packing is made of polytetrafluoroethylene low-leakage packing.

[0017] Further, the dismounting mechanism comprises a dismounting block, a fixing block and a bolt II, the dismounting block is fixedly connected to the lower end of the valve body through the bolt II, the upper end of the dismounting block is fixedly connected to the lower limiting block and the positioning block, the left and right ends of the dismounting block are fixedly connected to the fixing block, the fixing block and the lower end of the valve body are provided with corresponding mounting grooves, and the mounting grooves are threadedly connected to the bolt II.

[0018] Compared with the prior art, the utility model discloses the beneficial effects are: through the drive assembly drive valve opening and closing subassembly rotation, thereby control the opening and closing of the valve, realize the control of hydrogen transmission, realize the airtightness of valve inside through the compensation sealing component, thereby avoid hydrogen leakage, realize valve quick dismounting through the dismounting mechanism, be convenient for the overhaul of valve internal work piece. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce. Obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0020] Figure 1 It is a perspective view of a safety type hydrogenation device special track ball valve of the utility model Figure 1 ;

[0021] Figure 2 It is a front view of a safety type hydrogenation device special track ball valve of the utility model

[0022] Figure 3 It is a right view of a safety type hydrogenation device special track ball valve of the utility model

[0023] Figure 4 It is Figure 1 Enlarged view of A in

[0024] Figure 5 It is a perspective view of a safety type hydrogenation device special track ball valve of the utility model Figure 3 ;

[0025] Figure 6 It is a perspective view of a safety type hydrogenation device special track ball valve of the utility model Figure 2 ;

[0026] Figure 7 It is a perspective view of a safety type hydrogenation device special track ball valve of the utility model Figure 3 ;

[0027] Figure 8 It is a perspective view of a safety type hydrogenation device special track ball valve of the utility model

[0028] The reference numerals in the drawing respectively represent:

[0029] 11, valve body; 2, driving mechanism; 211, valve rod; 212, threaded rod; 213, sleeve one; 214, movable groove; 215, slider; 216, sleeve two; 221, tapered block; 222, valve flap; 223, T-shaped groove; 224, upper limit block; 225, lower limit block; 226, positioning block; 227, inclined surface; 228, through groove; 231, gland; 232, bolt one; 233, disc spring; 234, packing; 3, dismounting mechanism; 31, dismounting block; 32, fixed block; 33, mounting groove; 34, bolt two. DETAILED DESCRIPTION

[0030] To make the objects, technical solutions, and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0031] In the following description, "left", "right", "front", "back", "upper", and "lower" are oriented in the perspective of the front view.

[0032] Embodiment one: in some embodiments, referring to the drawings of the specification Figures 1-8 A safety type rail ball valve special for hydrogenation device, comprising a valve body 11;

[0033] The upper end of the valve body 11 is connected with a driving mechanism 2 for driving the opening and closing of the valve; the lower end of the valve body 11 is connected with a dismounting mechanism 3 for facilitating maintenance;

[0034] The driving mechanism 2 comprises a driving assembly, a valve opening and closing assembly, and a compensation sealing assembly, the driving assembly for driving the rotation of the valve opening and closing assembly is connected at the upper end of the valve body 11; the valve opening and closing assembly for controlling the opening and closing of the valve is connected at the lower end of the driving assembly; the valve opening and closing assembly is arranged inside the valve body 11; the valve opening and closing assembly for ensuring the sealing property of the valve is connected at the upper end of the valve body 11.

[0035] In the present application, the valve opening and closing assembly is driven to rotate by the driving assembly, so as to control the opening and closing of the valve and realize the control of hydrogen transmission; the compensation sealing assembly is used to realize the airtightness of the valve interior, so as to avoid hydrogen leakage; the dismounting mechanism 3 is used to realize the quick dismounting of the valve, which is convenient for the maintenance of the internal workpieces of the valve.

[0036] The driving assembly comprises a valve rod 211, a threaded rod 212, a sleeve one 213, a sliding block 215 and a sleeve two 216, the valve rod 211 is slidably connected to the upper end of the valve body 11, the upper end of the valve rod 211 is rotatably connected with the threaded rod 212, the upper end of the threaded rod 212 is connected with a driving device, the driving device is a hand wheel or a motor, the outer wall of the valve rod 211 is slidably connected with the sleeve one 213, the upper end of the sleeve one 213 is fixedly connected with the sleeve two 216, the sleeve two 216 is threadedly connected with the threaded rod 212, the lower end of the sleeve one 213 is fixedly connected with the upper end of the valve body 11, the outer wall of the sleeve one 213 is provided with a movable groove 214, the movable groove 214 comprises two straight grooves and a spiral groove, the upper end of the spiral groove is communicated with the upper straight groove, the lower end of the spiral groove is communicated with the lower straight groove, the side wall of the valve rod 211 is fixedly connected with the sliding block 215, and the sliding block 215 is limitingly and slidably connected with the movable groove 214.

[0037] The valve opening and closing assembly comprises a conical block 221, valve petals 222, upper limit blocks 224, lower limit blocks 225 and a positioning block 226, the lower end of the valve rod 211 is fixedly connected with the conical block 221, the inner side of the conical block 221 is provided with a through groove 228, the distance between the side walls of the left and right sides of the conical block 221 gradually decreases from top to bottom, the left and right ends of the conical block 221 are connected with the valve petals 222, the side walls of the valve petals 222 facing each other are provided with T-shaped grooves 223, the T-shaped grooves 223 of the left and right sides are limitingly and slidably connected with the two ends of the conical block 221, the upper end of the valve petal 222 is slidably connected with the upper limit block 224, the lower end of the valve petal 222 is slidably connected with the lower limit block 225, the inner wall of the valve body 11 is fixedly connected with the upper limit block 224, the lower end of the lower limit block 225 is connected with the dismounting mechanism 3, the side wall of the conical block 221 is provided with the positioning block 226, the lower end of the positioning block 226 is connected with the dismounting mechanism 3, and the side walls of the valve petals 222 away from each other are provided with inclined surfaces 227.

[0038] The utility model discloses a drive screw rod 212 is driven under the location effect of sleeve no. 2 216, and valve stem 211 is driven to move down, and valve stem 211 drives slider 215 to enter the downside straight groove through helical groove along the upside straight groove, and valve stem 211 drives conical block 221 to move down along T type groove 223, and valve stem 211 rotates ninety degrees under the location effect of lower limit block 225 through conical block 221 drive valve flap 222, and the lower end of conical block 221 moves to the upper end of positioning block 226, and conical block 221 pushes two valve flaps 222 away from each other and the inclined surface 227 of two valve flaps 222 is attached to the inner wall of valve body 11 through T type groove 223, so as to realize the closing of valve, and when slider 215 enters the upside straight groove through helical groove along the downside straight groove, conical block 221 drives valve flap 222 to rotate ninety degrees, so as to open the valve, and the conveying of hydrogen is realized through through groove 228, when opening and closing the valve, the valve flap 222 is not rubbed with the inner wall of valve body 11 in the rotation process of conical block 221 drive valve flap 222, and the abrasion influence of valve gas tightness caused by friction is avoided.

[0039] The compensation sealing assembly includes a gland 231, a bolt one 232, a disc spring 233 and a packing 234, the upper end of the valve body 11 is inserted into the gland 231, the gland 231 is in sliding connection with the valve stem 211, the upper end of the gland 231 is inserted into the bolt one 232, the lower end of the bolt one 232 is in threaded connection with the upper end of the valve body 11, the outer wall of the bolt one 232 is sleeved with the disc spring 233, the upper end of the disc spring 233 is in abutment with the bolt one 232, the lower end of the disc spring 233 is fixedly connected with the upper end of the gland 231, the lower end of the gland 231 is provided with the packing 234, the packing 234 is arranged at the gap between the valve stem 211 and the upper end of the valve body 11, and the packing 234 is low-leakage packing, for example, polytetrafluoroethylene packing.

[0040] When the packing 234 is abraded, the gland 231 is driven to move down by the disc spring 233 to compress the packing 234, so that the sealing performance of the abraded packing 234 is restored, and the air tightness of the valve is ensured.

[0041] The dismounting mechanism 3 includes a dismounting block 31, a fixed block 32 and a bolt two 34, the dismounting block 31 is fixedly connected to the lower end of the valve body 11 through the bolt two 34, the lower end of the dismounting block 31 is fixedly connected with the lower limit block 225 and the positioning block 226, the left and right ends of the dismounting block 31 are fixedly connected with the fixed block 32, the lower end of the fixed block 32 and the valve body 11 are provided with a corresponding mounting groove 33, and the mounting groove 33 is in threaded connection with the bolt two 34.

[0042] When the conical block 221 and the valve disc 222 need to be overhauled, the bolt two 34 is removed, thereby releasing the fixing of the dismounting block 31 and the valve body 11, so that the conical block 221 and the valve disc 222 inside the valve can be conveniently overhauled, and the entire valve does not need to be disassembled.

[0043] The above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A safety type rail ball valve for hydrogenation device, comprising a valve body (11), characterized in that, It also includes driving mechanism (2) and disassembly mechanism (3); The upper end of the valve body (11) is connected with a driving mechanism (2) for driving the opening and closing of the valve; the lower end of the valve body (11) is connected with a disassembly mechanism (3) for facilitating maintenance; The driving mechanism (2) includes a driving assembly, a valve opening and closing assembly, and a sealing compensation assembly, the driving assembly for driving the valve opening and closing assembly to rotate is connected to the upper end of the valve body (11); the valve opening and closing assembly for controlling the opening and closing of the valve is connected to the lower end of the driving assembly; the valve opening and closing assembly is arranged inside the valve body (11); the valve opening and closing assembly for ensuring the sealing of the valve is connected to the upper end of the valve body (11).

2. The safety hydroprocessing skid-mounted ball valve of claim 1, wherein, The driving assembly includes a valve stem (211), a threaded rod (212), a sleeve I (213), a sliding block (215), and a sleeve II (216), the valve stem (211) is slidingly connected to the upper end of the valve body (11); the upper end of the valve stem (211) is rotatably connected with the threaded rod (212); the upper end of the threaded rod (212) is connected with a driving device; the driving device adopts a hand wheel or a motor; the outer wall of the valve stem (211) is slidingly connected with the sleeve I (213); the upper end of the sleeve I (213) is fixedly connected with the sleeve II (216); the sleeve II (216) is threadedly connected with the threaded rod (212); the lower end of the sleeve I (213) is fixedly connected with the upper end of the valve body (11); the outer wall of the sleeve I (213) is provided with a movable groove (214), the movable groove (214) includes two straight grooves and a spiral groove, the upper end of the spiral groove is in communication with the upper straight groove, and the lower end of the spiral groove is in communication with the lower straight groove; the side wall of the valve stem (211) is fixedly connected with the sliding block (215); the sliding block (215) is limitingly and slidingly connected with the movable groove (214).

3. The safety hydroprocessing skid-mounted ball valve of claim 2, wherein, The valve opening and closing assembly includes a conical block (221), a valve flap (222), an upper limiting block (224), a lower limiting block (225), and a positioning block (226), the lower end of the valve stem (211) is fixedly connected with the conical block (221); the inner side of the conical block (221) is provided with a through groove (228); the left and right ends of the conical block (221) are connected with the valve flaps (222); the side walls of the left and right valve flaps (222) facing each other are both provided with T-shaped grooves (223); the left and right T-shaped grooves (223) are limitingly and slidingly connected with the two ends of the conical block (221) respectively; the upper end of the valve flap (222) is slidingly connected with the upper limiting block (224); the lower end of the valve flap (222) is slidingly connected with the lower limiting block (225); the inner wall of the valve body (11) is fixedly connected with the upper limiting block (224); the lower end of the lower limiting block (225) is connected with the disassembly mechanism (3); the lower end of the conical block (221) is provided with the positioning block (226), and the lower end of the positioning block (226) is connected with the disassembly mechanism (3).

4. The safety hydroprocessing skid-mounted ball valve of claim 3, wherein, The distance between the left and right side walls of the conical block (221) gradually decreases from top to bottom.

5. The safety hydroprocessing skid-mounted ball valve of claim 3, wherein, The side walls of the left and right valve flaps (222) facing away are both provided with inclined surfaces (227).

6. The safety hydroprocessing skid-mounted ball valve of claim 2, wherein, The compensation sealing assembly comprises a gland (231), a bolt I (232), a disc spring (233) and a packing (234), the upper end of a valve body (11) is inserted with the gland (231); the gland (231) is in sliding connection with a valve rod (211); the upper end of the gland (231) is inserted with the bolt I (232); the lower end of the bolt I (232) is in threaded connection with the upper end of the valve body (11); the outer wall of the bolt I (232) is sleeved with the disc spring (233); the upper end of the disc spring (233) is in abutment with the bolt I (232), and the lower end of the disc spring (233) is fixedly connected with the upper end of the gland (231); the lower end of the gland (231) is provided with the packing (234); the packing (234) is arranged at the gap between the valve rod (211) and the upper end of the valve body (11).

7. The safety hydroprocessing skid-mounted ball valve of claim 6, wherein, The packing (234) is made of polytetrafluoroethylene low-leakage packing.

8. The safety hydroprocessing skid-mounted ball valve of claim 3, wherein, The dismounting mechanism (3) comprises a dismounting block (31), a fixed block (32) and a bolt II (34), the dismounting block (31) is fixedly connected to the lower end of the valve body (11) through the bolt II (34); the upper end of the dismounting block (31) is fixedly connected with a lower limit block (225) and a positioning block (226); the left and right ends of the dismounting block (31) are fixedly connected with the fixed block (32); the fixed block (32) and the lower end of the valve body (11) are provided with a one-to-one corresponding mounting groove (33); the mounting groove (33) is in threaded connection with the bolt II (34).

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