Valve convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of valves, in particular to a valve limiting structure which comprises a valve body, a valve rod, mounting flanges, an upper arc-shaped plate, a lower arc-shaped plate, a dismounting and mounting assembly, a protective shell, a driving gear, a driven gear, a limiting clamping plate and limiting clamping teeth, the protective shell is arranged on the outer side of the valve body, and the mounting flanges are arranged at the two ends of the valve body. An upper arc-shaped plate is arranged on one side of the mounting flange, a lower arc-shaped plate is arranged below the upper arc-shaped plate, a dismounting assembly is arranged on one side of the mounting flange, a valve rod is arranged on one side of the valve body, a driving gear is arranged on the inner side of the protective shell, a driven gear is arranged on the outer side of the valve rod, and a limiting clamping plate is arranged on the inner side of the protective shell. Limiting clamping teeth are arranged on the inner side of the protective shell. According to the utility model, the bolts are integrated into two groups in an integrated disassembly and assembly manner, the disassembly and assembly operation is simplified, the disassembly and assembly speed is increased, meanwhile, the valve rod is prevented from deviating and steering, the flow of fluid passing through the valve is accurately controlled, and the practical value of the valve is effectively enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially relates to a valve convenient to dismouting. BACKGROUND

[0002] Valve is the control part in fluid conveying system, can accurately control the flow of fluid (such as liquid, gas etc.) in pipeline by changing the opening size of valve, this is very important to meet the demand of fluid flow under different working conditions.

[0003] Most of the valve dismounting structure is set relatively simple now, often directly bolt is sequentially turned into the corresponding screw hole of flange and is carried out dismounting operation, bolt needs to be independently taken and placed, is easy to lose and fall during operation, is relatively inconvenient during dismounting, and valve flow is difficult to stable control, is relatively inconvenient when using.

[0004] Therefore, in view of the inconvenient operation during the dismounting of the existing valve and the difficult accurate control of fluid flow, a valve convenient to dismount can be designed, the bolts are integrated into two groups by the integrated dismounting mode, the dismounting operation is simplified, the dismounting speed is accelerated, at the same time, the valve stem deviation is avoided, the fluid flow through the valve is accurately controlled, and the practical value of the valve is effectively enhanced. CONTENT OF THE UTILITY MODEL

[0005] In order to overcome the problem that most valves directly turn bolts into corresponding screw holes of flanges for dismounting operation, bolts need to be independently taken and placed, are easy to lose and fall during operation, are relatively inconvenient during dismounting, and valve flow is difficult to stable control.

[0006] The technical scheme of the utility model is as follows: a valve convenient to dismount, including valve main body, valve rod, installation flange, upper arc plate, lower arc plate, bolt, dismounting assembly, protective shell, drive gear, adjusting assembly, driven gear, annular limit slot, bidirectional screw rod, limit clamping plate, first limit assembly, electric telescopic rod, limit click and second limit assembly, the outer side of valve main body is provided with protective shell, the both ends of valve main body are provided with installation flange, one side of installation flange is provided with upper arc plate, the lower of upper arc plate is provided with lower arc plate, the inner side of installation flange is provided with bolt, one side of installation flange is provided with dismounting assembly, one side of valve main body is provided with valve rod, the inner side of protective shell is provided with drive gear, one side of drive gear is provided with adjusting assembly, the outer side of valve rod is provided with driven gear, driven gear is arranged in the inner side of protective shell, one side of driven gear is provided with annular limit slot, the inner side of protective shell is provided with bidirectional screw rod, the outer side of bidirectional screw rod is provided with limit clamping plate, the outer side of bidirectional screw rod is provided with first limit assembly, the inner side of protective shell is provided with electric telescopic rod, one end of electric telescopic rod is provided with limit click, one end of electric telescopic rod is provided with second limit assembly.

[0007] Preferably, the valve body is installed and fixed by the mounting flange, the bolt position is fixed by the upper arc plate and the lower arc plate, the upper arc plate and the lower arc plate are combined, the mounting flange position is fixed by rotating the bolts in sequence by the disassembly and assembly assembly, thereby the valve body is conveniently disassembled and assembled, the drive gear and the driven gear are protected in the protective shell, the drive gear is rotated by the adjusting assembly, the driven gear is meshed and rotated by rotating the drive gear, the valve stem is rotated by rotating the driven gear, the size of the fluid passage in the valve body is adjusted by rotating the valve stem, the two-way screw rod is rotated by the first limiting assembly, the distance between the two sets of limiting clamping plates is adjusted by rotating the two-way screw rod, the limiting clamping plate is moved into the annular limiting groove, and the driven gear is clamped and fixed by the limiting clamping plate, thereby the driven gear is limited, the telescopic electric telescopic rod of the second limiting assembly is used, the limiting clamping position is adjusted by the telescopic electric telescopic rod, the limiting clamping is meshed and clamped into the driven gear, the limiting clamping is used to further limit the driven gear, thereby the bolts are integrated into two groups, the disassembly and assembly operation is simplified, the disassembly and assembly speed is accelerated, at the same time, the valve stem is prevented from deviating and turning, the effect of accurately controlling the fluid flow through the valve is achieved, and the practical value of the valve is enhanced.

[0008] Preferably, the bolts are provided in multiple groups, the valve stem is rotatably connected with the protective shell, the drive gear is meshingly connected with the driven gear, the limiting clamping plates are symmetrically provided in two groups, the limiting clamping plates are embedded in the inner side of the annular limiting groove, and the limiting clamping is meshingly connected with the driven gear.

[0009] Preferably, the disassembly and assembly assembly comprises screw holes, clamping grooves, clamping plates, sealing grooves and sealing rings, the mounting flange is provided with screw holes on one side, the screw holes are provided in multiple groups, the screw holes are provided on the outer sides of the upper arc plate and the lower arc plate, the clamping grooves are provided on the bottom surfaces of the two ends of the upper arc plate, the clamping plates are provided on the top of the two ends of the lower arc plate, the clamping plates are embedded with the clamping grooves, the mounting flange is provided with the sealing grooves on one side, and the sealing rings are provided on the inner sides of the sealing grooves.

[0010] Preferably, the adjusting assembly comprises a servo motor and a rotating shaft, the servo motor is provided on the top of the protective shell, the rotating shaft is provided on the inner side of the protective shell, the rotating shaft is rotatably connected with the protective shell, and the drive gear is provided on the outer side of the rotating shaft.

[0011] Preferably, the adjusting assembly further comprises scale lines and a pointer, the scale lines are provided on the top of the protective shell, the scale lines are circumferentially distributed on the outer side of the valve stem, and the pointer is provided on the outer side of the valve stem.

[0012] Preferably, the first limiting assembly comprises a drive motor, a connecting block and a connecting rod, the drive motor is provided on the outer side of the protective shell, the output end of the drive motor is connected with the two-way screw rod, the connecting block is provided on the outer side of the two-way screw rod, the connecting block is symmetrically provided in two groups, the connecting rod is provided on the outer side of the connecting block, and the limiting clamping plate is provided on one end of the connecting rod.

[0013] Preferably, the second limiting component comprises a wedge-shaped block and a fixing block, the inner side of the protective shell is provided with the wedge-shaped block, the electric telescopic rod is arranged on one side of the wedge-shaped block, one end of the electric telescopic rod is provided with the fixing block, and the limiting clamping teeth are arranged on one side of the fixing block.

[0014] The utility model discloses beneficial effect has:

[0015] 1, when disassembling and assembling the valve, the valve body is fixed through the installation flange, the bolt position is fixed by the upper arc plate and the lower arc plate, the bolt installation position is determined after aligning a group of bolt positions, and then the bolt is rotated in sequence, the installation flange position is fixed, so that the valve body is conveniently disassembled and assembled, the problem that most valve disassembly and assembly structures are relatively simple is solved, and the bolt is directly rotated into the corresponding screw hole in the flange in sequence for disassembly and assembly operation, the bolt needs to be independently taken and placed, and the bolt is easy to lose and drop during operation, and the disassembly and assembly are inconvenient, and the disassembly and assembly operation speed is accelerated.

[0016] 2, when using the valve, the driving gear and the driven gear are protected in the protective shell, the driving gear is rotated to drive the driven gear to mesh and rotate, the driven gear is rotated to drive the valve rod to rotate, the valve rod is rotated to adjust the size of the fluid passage in the valve body, then, the distance between the two limiting clamping plates is adjusted by rotating the bidirectional screw rod, the limiting clamping plate is moved into the annular limiting groove, the driven gear is clamped and fixed by the limiting clamping plate, so that the driven gear is limited, finally, the limiting clamping teeth position is adjusted by the telescopic electric telescopic rod, the limiting clamping teeth are meshed and clamped into the driven gear, and the driven gear is further limited by the limiting clamping teeth, so that the practical value of the valve is effectively enhanced. ACCURATE DRAWINGS

[0017] Figure 1 The utility model discloses a kind of three-dimensional structure schematic diagram of valve of convenient disassembly and assembly of the utility model, as shown in the figure:

[0018] Figure 2 The utility model discloses a kind of three-dimensional structure schematic diagram of disassembly and assembly subassembly of valve of convenient disassembly and assembly of the utility model, as shown in the figure:

[0019] Figure 3 The utility model discloses a kind of three-dimensional structure schematic diagram of protective shell of valve of convenient disassembly and assembly of the utility model, as shown in the figure:

[0020] Figure 4 The utility model discloses a kind of three-dimensional structure schematic diagram of adjusting subassembly of valve of convenient disassembly and assembly of the utility model, as shown in the figure:

[0021] Figure 5 The utility model discloses a kind of three-dimensional structure schematic diagram of limiting subassembly of valve of convenient disassembly and assembly of the utility model, as shown in the figure:

[0022] Explanation of reference signs: 1, valve body; 101, mounting flange; 102, upper arc plate; 103, lower arc plate; 104, bolt; 105, threaded hole; 106, clamping groove; 107, clamping plate; 108, sealing groove; 109, sealing ring; 2, protective shell; 3, valve stem; 4, drive gear; 401, servo motor; 402, rotating shaft; 403, scale line; 404, pointer; 5, driven gear; 501, annular limiting groove; 6, bidirectional screw rod; 601, limiting clamping plate; 602, drive motor; 603, connecting block; 604, connecting rod; 7, electric telescopic rod; 701, limiting clamping tooth; 702, wedge-shaped block; 703, fixed block. DETAILED DESCRIPTION

[0023] The utility model is further explained below in combination with the drawings and examples.

[0024] Please refer to Figures 1-5 The utility model provides an embodiment: a valve convenient to dismount, including valve body 1, valve stem 3, mounting flange 101, upper arc plate 102, lower arc plate 103, bolt 104, dismounting subassembly, protective shell 2, drive gear 4, adjusting assembly, driven gear 5, annular limiting groove 501, bidirectional screw rod 6, limiting clamping plate 601, first limiting assembly, electric telescopic rod 7, limiting clamping tooth 701 and second limiting assembly, the outside of valve body 1 is provided with protective shell 2, and the both ends of valve body 1 are provided with mounting flange 101, and one side of mounting flange 101 is provided with upper arc plate 102, and the below of upper arc plate 102 is provided with lower arc plate 103, and the inside of mounting flange 101 is provided with bolt 104, and bolt 104 is provided with multiple groups, and one side of mounting flange 101 is provided with dismounting subassembly, and one side of valve body 1 is provided with valve stem 3, and valve stem 3 is rotatably connected with protective shell 2, and the inside of protective shell 2 is provided with drive gear 4, and one side of drive gear 4 is provided with adjusting assembly, and the outside of valve stem 3 is provided with driven gear 5, and driven gear 5 is arranged in the inside of protective shell 2, and drive gear 4 and driven gear 5 are rotatably connected, and one side of driven gear 5 is provided with annular limiting groove 501, and the inside of protective shell 2 is provided with bidirectional screw rod 6, and the outside of bidirectional screw rod 6 is provided with limiting clamping plate 601, and limiting clamping plate 601 is symmetrically provided with two groups, and limiting clamping plate 601 is embedded in the inside of annular limiting groove 501, and the outside of bidirectional screw rod 6 is provided with first limiting assembly, and the inside of protective shell 2 is provided with electric telescopic rod 7, and one end of electric telescopic rod 7 is provided with limiting clamping tooth 701, and limiting clamping tooth 701 and driven gear 5 are rotatably connected, and one end of electric telescopic rod 7 is provided with second limiting assembly.

[0025] Please refer to Figure 2In the embodiment, the disassembling and assembling component includes screw holes 105, clamping grooves 106, clamping plates 107, sealing grooves 108 and sealing rings 109. The one side of the mounting flange 101 is provided with the screw holes 105, and the screw holes 105 are provided in multiple groups. The screw holes 105 are provided on the outer sides of the upper arc-shaped plate 102 and the lower arc-shaped plate 103. The two ends of the upper arc-shaped plate 102 are provided with the clamping grooves 106. The two ends of the lower arc-shaped plate 103 are provided with the clamping plates 107. The clamping plates 107 are embedded in the clamping grooves 106. The upper arc-shaped plate 102 and the lower arc-shaped plate 103 are combined. The one side of the mounting flange 101 is provided with the sealing grooves 108. The inner side of the sealing grooves 108 is provided with the sealing rings 109. The position of the bolt 104 is determined through the screw holes 105. The clamping plates 107 are embedded in the clamping grooves 106. The position of the sealing ring 109 is determined through the sealing grooves 108. The sealing effect of the mounting flange 101 is ensured by the sealing ring 109.

[0026] Please refer to Figures 3-5 In the embodiment, the adjusting component includes a servo motor 401, a rotating shaft 402, a scale line 403 and a pointer 404. The top of the protective shell 2 is provided with the servo motor 401. The inner side of the protective shell 2 is provided with the rotating shaft 402. The rotating shaft 402 is rotatably connected with the protective shell 2. The driving gear 4 is arranged on the outer side of the rotating shaft 402. The top of the protective shell 2 is provided with the scale line 403. The scale line 403 is circumferentially arranged on the outer side of the valve rod 3. The outer side of the valve rod 3 is provided with the pointer 404. The rotating shaft 402 is driven to rotate by the servo motor 401. The driving gear 4 is synchronously rotated by the rotating shaft 402. The driven gear 5 is meshed and rotated by the driving gear 4. The pointer 404 is rotated by the driven gear 5. The parameter of the scale line 403 pointed by the pointer 404 is observed. The flow rate through the valve body 1 is directly observed.

[0027] The first limiting assembly comprises a driving motor 602, a connecting block 603 and a connecting rod 604. The driving motor 602 is arranged on the outer side of the protective shell 2. The output end of the driving motor 602 is connected with the bidirectional screw rod 6. The connecting block 603 is arranged on the outer side of the bidirectional screw rod 6. The connecting block 603 is symmetrically provided with two groups. The connecting block 603 is provided with the connecting rod 604 on the outer side. The limiting clamping plate 601 is arranged at one end of the connecting rod 604. The bidirectional screw rod 6 is driven to rotate by the driving motor 602. The distance between the two groups of connecting blocks 603 is adjusted by rotating the bidirectional screw rod 6. The connecting rod 604 is connected and fixed by the connecting block 603. The limiting clamping plate 601 is connected and fixed by the connecting rod 604. Thus, the position of the limiting clamping plate 601 is flexibly adjusted, so that the driven gear 5 is clamped. The second limiting assembly comprises a wedge block 702 and a fixed block 703. The wedge block 702 is arranged on the inner side of the protective shell 2. The electric telescopic rod 7 is arranged on one side of the wedge block 702. The fixed block 703 is arranged at one end of the electric telescopic rod 7. The limiting clamping gear 701 is arranged on one side of the fixed block 703. The position of the electric telescopic rod 7 is fixed by the wedge block 702. The limiting clamping gear 701 is connected and fixed by the fixed block 703. Thus, the position of the limiting clamping gear 701 is flexibly adjusted.

[0028] When the valve body 1 is installed, the upper arc-shaped plate 102 is placed on one side of the installation flange 101. The bolt 104 is rotated in the screw hole 105. The middle bolt 104 is rotated into the screw hole 105 of the installation flange 101.

[0029] Subsequently, the clamping plate 107 of the lower arc-shaped plate 103 is embedded into the clamping groove 106. The bolts 104 are sequentially rotated. All the bolts 104 are rotated into the screw holes 105 of the installation flange 101. The installation operation is completed. At the same time, the sealing effect of the installation flange 101 is guaranteed by the sealing ring 109 in the sealing groove 108.

[0030] When the flow of the valve body 1 is adjusted, the shaft 402 in the protective shell 2 is driven to rotate by the servo motor 401. The driven gear 5 is driven to rotate by rotating the driving gear 4. The driven gear 5 is driven to rotate by rotating the driving gear 4. The valve rod 3 is driven to rotate by rotating the driven gear 5. The valve rod 3 is observed by rotating the pointer 404. The pointer 404 is rotated to the specified value of the scale line 403.

[0031] When the valve rod 3 is locked, the bidirectional screw rod 6 is driven to rotate by the driving motor 602. The distance between the two groups of connecting blocks 603 is shortened by rotating the bidirectional screw rod 6. The limiting clamping plate 601 at one end of the connecting rod 604 is moved into the annular limiting groove 501. The driven gear 5 is clamped. Subsequently, the electric telescopic rod 7 on the wedge block 702 is elongated. The limiting clamping gear 701 on the fixed block 703 is clamped into the tooth groove of the driven gear 5. The driven gear 5 is locked.

[0032] Through the above steps, the valve body 1 is installed and fixed by setting the mounting flange 101, the position of the fixing bolt 104 is fixed by the upper arc plate 102 and the lower arc plate 103, the upper arc plate 102 and the lower arc plate 103 are combined, the mounting flange 101 position is fixed by rotating the bolt 104 in sequence by the disassembly assembly, so that the valve body 1 is conveniently disassembled and assembled, the driving gear 4 and the driven gear 5 are protected in the protection shell 2, the driving gear 4 is driven to rotate by the adjusting assembly, the driven gear 5 is driven to mesh and rotate by rotating the driving gear 4, the valve rod 3 is driven to rotate by rotating the driven gear 5, the size of the fluid passage in the valve body 1 is adjusted by rotating the valve rod 3, the two-way screw rod 6 is driven to rotate by the first limiting assembly, the distance between the two sets of limiting clamping plates 601 is adjusted by rotating the two-way screw rod 6, the limiting clamping plate 601 is moved into the annular limiting groove 501, and the driven gear 5 is clamped and fixed by the limiting clamping plate 601, so that the driven gear 5 is limited, the telescopic electric telescopic rod 7 of the second limiting assembly is used, the position of the limiting clamping tooth 701 is adjusted, the limiting clamping tooth 701 is engaged and clamped into the driven gear 5, the driven gear 5 is further limited by the limiting clamping tooth 701, so that the bolt 104 is integrated into two groups, the disassembly and assembly operation is simplified, the disassembly and assembly speed is accelerated, at the same time, the valve rod 3 is prevented from deviating and turning, and the fluid flow through the valve is accurately controlled.

[0033] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A valve convenient to dismount, comprising a valve body (1), a valve stem (3), a mounting flange (101), characterized in that: The utility model also includes upper arc plate (102), lower arc plate (103), bolt (104), dismounting subassembly, protective shell (2), drive gear (4), adjusting assembly, driven gear (5), annular limit slot (501), two -way screw rod (6), limit clamping plate (601), first limit assembly, electric telescopic rod (7), limit pawl (701) and second limit assembly, the outside of valve body (1) is provided with protective shell (2), the both ends of valve body (1) are provided with mounting flange (101), one side of mounting flange (101) is provided with upper arc plate (102), the below of upper arc plate (102) is provided with lower arc plate (103), the inside of mounting flange (101) is provided with bolt (104), one side of mounting flange (101) is provided with dismounting subassembly, one side of valve body (1) is provided with valve stem (3), the inside of protective shell (2) is provided with drive gear (4), one side of drive gear (4) is provided with adjusting assembly, the outside of valve stem (3) is provided with driven gear (5), driven gear (5) sets up in the inside of protective shell (2), one side of driven gear (5) is provided with annular limit slot (501), the inside of protective shell (2) is provided with two -way screw rod (6), the outside of two -way screw rod (6) is provided with limit clamping plate (601), the outside of two -way screw rod (6) is provided with first limit assembly, the inside of protective shell (2) is provided with electric telescopic rod (7), one end of electric telescopic rod (7) is provided with limit pawl (701), one end of electric telescopic rod (7) is provided with second limit assembly.

2. The valve of claim 1, wherein: Bolt (104) is provided with multiple groups, valve stem (3) and protective shell (2) are rotatably connected with each other, drive gear (4) and driven gear (5) are meshingly connected with each other, limit clamping plate (601) is symmetrically provided with two groups, limit clamping plate (601) is embedded in the inside of annular limit slot (501), limit pawl (701) and driven gear (5) are meshingly connected with each other.

3. The valve of claim 1, wherein: Dismounting subassembly includes screw hole (105), clamping groove (106), clamping plate (107), sealing groove (108) and sealing ring (109), one side of mounting flange (101) is provided with screw hole (105), screw hole (105) is provided with multiple groups, screw hole (105) is provided on the outside of upper arc plate (102) and lower arc plate (103), the bottom surface of both ends of upper arc plate (102) is provided with clamping groove (106), the top of both ends of lower arc plate (103) is provided with clamping plate (107), clamping plate (107) and clamping groove (106) are embedded with each other, one side of mounting flange (101) is provided with sealing groove (108), sealing ring (109) is arranged in the inside of sealing groove (108).

4. The valve of claim 1, wherein: Adjusting assembly includes servo motor (401) and rotating shaft (402), the top of protective shell (2) is provided with servo motor (401), the inside of protective shell (2) is provided with rotating shaft (402), rotating shaft (402) and protective shell (2) are rotatably connected, drive gear (4) is arranged on the outside of rotating shaft (402).

5. A valve according to claim 4, wherein: The adjusting assembly further comprises a scale line (403) and a pointer (404), the top of the protective shell (2) is provided with the scale line (403), the scale line (403) is circumferentially distributed on the outer side of the valve rod (3), and the outer side of the valve rod (3) is provided with the pointer (404).

6. A valve according to claim 5, wherein: The first limiting assembly comprises a driving motor (602), a connecting block (603) and a connecting rod (604), the outer side of the protective shell (2) is provided with the driving motor (602), the output end of the driving motor (602) is connected with the bidirectional screw rod (6), the outer side of the bidirectional screw rod (6) is provided with the connecting block (603), the connecting block (603) is symmetrically provided with two groups, the outer side of the connecting block (603) is provided with the connecting rod (604), and the limiting clamping plate (601) is arranged at one end of the connecting rod (604).

7. A valve according to claim 6, wherein: The second limiting assembly comprises a wedge block (702) and a fixed block (703), the inner side of the protective shell (2) is provided with the wedge block (702), the electric telescopic rod (7) is arranged on one side of the wedge block (702), one end of the electric telescopic rod (7) is provided with the fixed block (703), and the limiting clamping tooth (701) is arranged on one side of the fixed block (703).

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