Intelligent valve positioner

Abstract

The utility model relates to an intelligent valve positioner which comprises a positioner body, the positioner body is in the shape of a cuboid, a plurality of anti-collision rods are evenly arranged on the positioner body from left to right, the anti-collision rods are in the shape of L, the horizontal parts of the anti-collision rods are placed in a limiting groove A, and the vertical parts of the anti-collision rods are placed in a limiting groove B; sponge pads are arranged on the inner walls of the limiting groove A and the limiting groove B. An elastic assembly A is arranged at the top of the positioner body, an elastic assembly B is arranged at the bottom of the positioner body, and the movable end of the elastic assembly A and the movable end of the elastic assembly B are detachably connected with the anti-collision rod. A pressure gauge is arranged on the left side of the positioner body and provided with a protective shell, and an observation window is arranged on the front face of the protective shell. A fixing frame is arranged on the back face of the positioner body, a movable plate is connected to the rear end of the fixing frame in a sliding mode, a locking piece capable of fixing the transverse position of the movable plate is arranged on the movable plate, and a linear hole in the vertical direction is formed in the movable plate. The adjusting valve has the advantages of being good in protectiveness, convenient to maintain and suitable for installation of various adjusting valves.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve positioner technical field, concretely relates to an intelligent valve positioner. BACKGROUND

[0002] Valve positioner is the main accessory of regulating valve, usually is used in pairs with pneumatic regulating valve, it accepts the output signal of regulator, then with its output signal to control pneumatic regulating valve, can increase the output power of regulating valve, reduces the transmission lag of regulating signal to happen, accelerates the moving speed of valve stem, can improve the linearity of valve, overcomes the friction of valve stem and eliminates the influence of unbalanced force, thereby guaranteeing the correct positioning of regulating valve.

[0003] Valve positioner leans back regulating valve, the front and top of positioner body and the pressure gauge connected with positioner body are exposed, lack the protection of external impact, in addition, the installation of valve positioner is completed by connecting the back mounting plate of positioner with the mounting bracket of regulating valve, the position of back mounting plate of traditional valve positioner is fixed, only suitable for connecting with specific model regulating valve, and the versatility is not high. SUMMARY

[0004] The utility model aims at providing an intelligent valve positioner, has the advantages such as good protection, convenient maintenance, suitable for the installation of various regulating valves.

[0005] The technical scheme of the utility model is as follows:

[0006] An intelligent valve positioner, including positioner body, the shape of positioner body is cuboid, a plurality of anti-collision rods are evenly arranged on positioner body from left to right, the shape of anti-collision rod is L-shaped, the positioner body is equipped with the limiting slot A along the front-back direction on the top and the limiting slot B along the vertical direction on the front, the horizontal part of anti-collision rod is placed in limiting slot A and the vertical part is placed in limiting slot B, the inner wall of limiting slot A and limiting slot B is equipped with the sponge pad that is in contact with the left side, the right side of anti-collision rod or the opposite surface of positioner body, the positioner body is equipped with the elastic component A along the front-back direction on the top and the elastic component B along the vertical direction on the bottom, and the movable end of elastic component A and elastic component B is respectively detachably connected with the first end and the last end of anti-collision rod, the left side of positioner body is equipped with pressure gauge, the pressure gauge is equipped with protective shell, the front surface of protective shell is equipped with observation window that is aligned with the dial of pressure gauge, the back surface of positioner body is equipped with fixed frame, the rear end of fixed frame is slidably connected with movable plate, the movable plate can slide along the left-right direction, the movable plate is equipped with locking piece that can fix the transverse position thereof, and the movable plate is equipped with vertical slot.

[0007] Preferably, the elastic component A and the elastic component B each comprise a spring telescopic rod, a fixed seat, a rotating head, a sliding plate and a fixed plate, the movable end of the spring telescopic rod is provided with the fixed seat, the fixed seat is rotationally connected with the rotating head, the rotating head is provided with a threaded rod on the rotating shaft thereof, the first end and the second end of the anti-collision rod are each provided with a threaded hole corresponding to the threaded rod, the fixed end of the spring telescopic rod is connected with the sliding plate, the side, away from the spring telescopic rod, of the sliding plate is provided with a sliding groove, the fixed plate is arranged on the body of the positioner, the fixed plate is provided with a sliding block in sliding connection with the sliding groove, the deformation direction of the spring telescopic rod of the elastic component A is along the front-rear direction and the direction of the sliding groove is along the vertical direction, and the deformation direction of the spring telescopic rod of the elastic component B is along the vertical direction and the direction of the sliding groove is along the front-rear direction.

[0008] Preferably, the protective shell comprises a front shell body and a rear shell body, the front shell body is provided with an observation window, the dial plate of the pressure gauge is arranged in a space enclosed by the front shell body and the rear shell body when the front shell body and the rear shell body are combined together, the front shell body and the rear shell body are provided with recesses corresponding to each other at the closing position, the two recesses are combined together to form a through opening through which the part of the pressure gauge connected with the body of the positioner passes, and the front shell body and the rear shell body are connected through fixing screws.

[0009] Preferably, the front shell body is provided with a sealing strip A at the closing position, the rear shell body is provided with a butt joint groove corresponding to the sealing strip A at the closing position, and the front shell body and the rear shell body are each provided with a sealing strip B along the recess, when the front shell body and the rear shell body are combined together, the sealing strip A is filled into the butt joint groove, and the sealing strip B is tightly abutted against the outer wall of the part of the pressure gauge connected with the body of the positioner.

[0010] Preferably, the inward face of the rear shell body is provided with a placing groove, a desiccant bag is placed in the placing groove, and an elastic band is arranged on the opening of the placing groove.

[0011] Preferably, the fixing frame comprises a pair of upper and lower connecting frames, the connecting frames are in the shape of a Chinese character, the front ends of the connecting frames are connected with the back face of the body of the positioner, the rear ends of the connecting frames are provided with slide ways along the left-right direction, the upper and lower ends of the movable plate are each in sliding connection with the corresponding slide way, the upper and lower ends of the movable plate are each provided with a threaded hole, the connecting frames are provided with square openings leading to the threaded holes, and the locking member is a locking screw, the end part of the movable plate is stopped from sliding in the slide way by rotating the locking screw into the threaded hole to the point that the nut of the locking screw is tightly abutted against the connecting frame, so that the transverse position of the movable plate is fixed.

[0012] Preferably, the front face of the body of the positioner is provided with a display screen, and the part of the anti-collision rod in front of the display screen is narrower than the other part.

[0013] The utility model has the beneficial technical effect that:

[0014] 1、Through sponge pad, elastic component A and elastic component B are used in collocation, give certain buffer capacity to prevent the crash pole, protect the upper and front of the positioner body through the crash pole, improve the protection, the crash pole can be disengaged with the connection between elastic component A and elastic component B, when the crash pole is damaged, can be replaced, convenient maintenance, the impact in front and back direction is buffered by elastic component A and sponge pad in limiting groove B, the impact in vertical direction is buffered by elastic component B and sponge pad in limiting groove A, the impact in left and right directions is buffered by sponge pad in limiting groove A and limiting groove B.

[0015] 2、Through the protection shell, the exposed pressure gauge is protected to a certain extent, and the protection is improved.

[0016] 3、The back of the positioner body is provided with a movable plate which can slide in left and right directions, and a vertical slot is arranged on the movable plate, so that the mounting hole position of various regulating valves can be matched, and the universality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The technical scheme of the utility model will be further described below with reference to the drawings.

[0018] ATTACHED Figure 1 It is the front view of the utility model.

[0019] ATTACHED Figure 2 It is the rear view of the utility model.

[0020] ATTACHED Figure 3 It is the plan view of the utility model.

[0021] ATTACHED Figure 4 It is the right view of the utility model.

[0022] ATTACHED Figure 5 It is the right view angle section view of the crash plate.

[0023] ATTACHED Figure 6 It is Figure 5 The enlarged view of A part.

[0024] ATTACHED Figure 7 It is the right view angle section view of the fixed frame.

[0025] ATTACHED Figure 8 It is the schematic view of the inward face of the front shell and the rear shell.

[0026] In the diagram: 1-Positioner body, 2-Anti-collision bar, 3-Limiting groove A, 4-Limiting groove B, 5-Sponge pad, 6-Elastic component A, 7-Elastic component B, 8-Pressure gauge, 9-Protective shell, 10-Observation window, 11-Fixed bracket, 12-Modible plate, 13-Locking component, 14-Slotted hole, 15-Spring telescopic rod, 16-Fixed base, 17-Rotating head, 18-Sliding plate, 19-Fixed plate, 20-Threaded rod, 21-Threaded hole, 22-Slide groove, 23-Slider, 24-Front shell, 25-Rear shell, 26-Groove, 27-Fixing screw, 28-Sealing strip A, 29-Mating groove, 30-Sealing strip B, 31-Placement groove, 32-Desiccant bag, 33-Elastic band, 34-Connecting bracket, 35-Slide rail, 36-Screw hole, 37-Square opening, 38-Locking screw, 39-Display screen. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0028] Example:

[0029] like Figures 1 to 8 As shown, this embodiment provides an intelligent valve positioner, including a positioner body 1. The positioner body 1 is rectangular in shape. Several anti-collision bars 2 are evenly arranged from left to right on the positioner body 1. The anti-collision bars 2 are L-shaped. The positioner body 1 has a limiting groove A3 along the front-rear direction at the top and a limiting groove B4 along the vertical direction on the front. The horizontal part of the anti-collision bar 2 is placed in the limiting groove A3 and the vertical part is placed in the limiting groove B4. The inner walls of the limiting grooves A3 and B4 are provided with sponge pads 5 that abut against the left side, right side, or the surface opposite to the positioner body 1 of the anti-collision bar 2. The positioner body 1 has a deformation direction along the... The elastic component A6 is located in the front-to-back direction, and the elastic component B7 is located at the bottom with the deformation direction in the vertical direction. The movable ends of the elastic components A6 and B7 are detachably connected to the two ends of the anti-collision bar 2. A pressure gauge 8 is located on the left side of the locator body 1. A protective shell 9 is installed on the pressure gauge 8. An observation window 10 is provided on the front of the protective shell 9 so as to align the dial of the pressure gauge 8. A fixing frame 11 is provided on the back of the locator body 1. A movable plate 12 is slidably connected to the rear end of the fixing frame 11. The movable plate 12 can slide in the left and right direction. A locking part 13 is provided on the movable plate 12 to fix its lateral position. A slotted hole 14 is provided on the movable plate 12 in the vertical direction.

[0030] The sponge pad 5, the elastic assembly A 6 and the elastic assembly B 7 are used in combination to give the bumper bar 2 certain buffering capacity, and the bumper bar 2 protects the upper and front of the positioner body 1, improves the protection, and the bumper bar 2 can be disconnected with the elastic assembly A 6 and the elastic assembly B 7, and can be replaced when damaged, facilitating maintenance; the impact in the front-rear direction is buffered by the elastic assembly A 6 and the sponge pad 5 in the limiting groove B 4, the impact in the vertical direction is buffered by the elastic assembly B 7 and the sponge pad 5 in the limiting groove A 3, and the impact in the left-right direction is buffered by the sponge pad 5 in the limiting groove A 3 and the limiting groove B 4. The protection shell 9 protects the pressure gauge 8 exposed outside to a certain extent, improving the protection. The movable plate 12 on the back of the positioner body 1 can slide in the left-right direction, and the movable plate 12 is provided with a vertical slot 14, which can adapt to the mounting hole position of various regulating valves, improving the versatility.

[0031] Further, the elastic assembly A 6 and the elastic assembly B 7 each include a spring telescopic rod 15, a fixed seat 16, a rotating head 17, a sliding plate 18 and a fixed plate 19, the movable end of the spring telescopic rod 15 is provided with the fixed seat 16, the fixed seat 16 is rotatably connected with the rotating head 17, the rotating head 17 is provided with a threaded rod 20 on the rotating shaft thereof, the head and tail of the bumper bar 2 are respectively provided with threaded holes 21 corresponding to the threaded rod 20, the fixed end of the spring telescopic rod 15 is connected with the sliding plate 18, the side of the sliding plate 18 away from the spring telescopic rod 15 is provided with a sliding groove 22, the positioner body 1 is provided with the fixed plate 19, the fixed plate 19 is provided with a sliding block 23 in sliding connection with the sliding groove 22, the deformation direction of the spring telescopic rod 15 of the elastic assembly A 6 is along the front-rear direction and the direction of the sliding groove 22 is along the vertical direction, and the deformation direction of the spring telescopic rod 15 of the elastic assembly B 7 is along the vertical direction and the direction of the sliding groove 22 is along the front-rear direction.

[0032] The threaded rod 20 and the threaded hole 21 are used in combination to realize the detachable connection between the bumper bar 2 and the elastic assembly A 6 or the elastic assembly B 7, the rotating head 17 connected with the threaded rod 20 is rotatably connected with the fixed seat 16, so that the user can conveniently rotate the threaded rod 20. The spring telescopic rod provides the required elasticity for buffering, and the sliding groove 22 and the sliding block 23 are used in combination to allow the spring telescopic rod 15 to move in a non-elastic direction, so that the spring telescopic rod can reduce the damage probability through a certain degree of displacement when the bumper bar 2 is impacted.

[0033] Further, the protective shell 9 comprises a front shell 24 and a rear shell 25, the front shell 24 is provided with the observation window 10, the dial of the pressure gauge 8 is located in the space surrounded by the front shell 24 and the rear shell 25 when the front shell 24 and the rear shell 25 are combined, the front shell 24 and the rear shell 25 are provided with corresponding grooves 26 at the closed position, the two grooves 26 are combined to form a through port for the part of the pressure gauge 8 connected with the locator body 1, and the front shell 24 and the rear shell 25 are connected by the fixing screws 27.

[0034] The protective shell 9 is a front-rear detachable structure, convenient to maintain, and the front shell 24 and the rear shell 25 are connected by the fixing screws 27, which is convenient to assemble and disassemble.

[0035] Further, the front shell 24 is provided with a sealing strip A 28 along the closed position, the rear shell 25 is provided with a butt joint groove 29 corresponding to the sealing strip A 28 along the closed position, and the front shell 24 and the rear shell 25 are respectively provided with sealing strips B 30 along the grooves 26, when the front shell 24 and the rear shell 25 are combined, the sealing strip A 28 is filled into the butt joint groove 29, and the sealing strip B 30 is tightly abutted on the outer wall of the part of the pressure gauge 8 connected with the locator body 1.

[0036] Through the cooperation of the sealing strip A 28, the butt joint groove 29 and the sealing strip B 30, the sealing property of the protective shell 9 is improved, the impurities of the external air mixed into the protective shell 9 to interfere with the pressure gauge 8 is reduced, and the protection of the pressure gauge 8 is improved.

[0037] Further, the inward face of the rear shell 25 is provided with a placing groove 31, a desiccant bag 32 is placed in the placing groove 31, and an elastic band 33 is arranged on the opening of the placing groove 31.

[0038] Through the desiccant bag 32, the moisture in the air in the protective shell 9 is reduced, the probability of the moisture mixed into the pressure gauge 8 to interfere with the reading is reduced, and the desiccant bag 32 is limited by the elastic band 33, and the elastic band 33 can be pulled off when the desiccant bag 32 is replaced.

[0039] Further, the fixing frame 11 comprises a pair of upper and lower connecting frames 34, the connecting frame 34 is in the shape of a Chinese character, the front end of the connecting frame 34 is connected with the back of the locator body 1, the rear end of the connecting frame 34 is provided with a slide 35 in the left-right direction, the upper and lower ends of the movable plate 12 are respectively slidably connected with the corresponding slides 35, the upper and lower ends of the movable plate 12 are respectively provided with screw holes 36, the connecting frame 34 is provided with square ports 37 leading to the screw holes 36, the locking member 13 is a locking screw 38, the sliding of the end of the movable plate 12 in the slide 35 is stopped by rotating the locking screw 38 into the screw hole 36 until the nut of the locking screw 38 tightly abuts on the connecting frame 34, so as to fix the transverse position of the movable plate 12.

[0040] According to the position of the mounting hole of the regulating valve, the position of the movable plate 12 is adjusted, the locking screw 38 is loosened, the position of the movable plate 12 is adjusted, the locking screw 38 is tightened after the adjustment of the movable plate 12 is completed, then the slot hole 14 of the movable plate 12 is pressed on the mounting hole of the regulating valve, and the connecting screw is screwed on the overlapped slot hole 14 and the mounting hole to complete the connection.

[0041] Further, the front surface of the positioner body 1 is provided with a display screen 39, and the part of the anti-collision rod 2 in front of the display screen 39 is narrower than the rest. The part of the display screen 39 in front of the anti-collision rod 2 is narrowed to reduce the interference with the reading of the display screen 39.

[0042] The working principle and use process of the utility model are as follows:

[0043] According to the position of the mounting hole of the regulating valve, the position of the movable plate 12 is adjusted, the locking screw 38 is loosened, the position of the movable plate 12 is adjusted, the locking screw 38 is tightened after the adjustment of the movable plate 12 is completed, then the slot hole 14 of the movable plate 12 is pressed on the mounting hole of the regulating valve, and the connecting screw is screwed on the overlapped slot hole 14 and the mounting hole to complete the connection.

[0044] The anti-collision rod 2 and the protective shell 9 are both installed in the corresponding positions, and can be removed and replaced when the anti-collision rod 2 and the protective shell 9 are damaged and cannot be used any more. The desiccant bag 32 in the protective shell 9 should be replaced regularly.

[0045] The above is only a specific application example of the utility model, and does not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. An intelligent valve positioner characterized by: The application relates to a positioner, which comprises a positioner body shaped as a cuboid, a plurality of anti-collision rods uniformly arranged on the positioner body from left to right, the anti-collision rods being shaped as L-shaped, a limiting groove A along the front-back direction arranged on the top of the positioner body and a limiting groove B along the vertical direction arranged on the front face of the positioner body, the horizontal part of the anti-collision rod being arranged in the limiting groove A and the vertical part being arranged in the limiting groove B, sponge pads abutting against the left side face, the right side face of the anti-collision rod or the face opposite to the positioner body being arranged on the inner wall of the limiting groove A and the limiting groove B, an elastic component A with the front-back direction as the deformation direction being arranged on the top of the positioner body and an elastic component B with the vertical direction as the deformation direction being arranged on the bottom of the positioner body, the movable ends of the elastic component A and the elastic component B being respectively detachably connected with the first end and the second end of the anti-collision rod, a pressure gauge being arranged on the left side of the positioner body, a protection shell being arranged on the pressure gauge, an observation window being arranged on the front face of the protection shell and aligning with the dial of the pressure gauge, a fixing frame being arranged on the back face of the positioner body, a movable plate being slidably connected with the rear end of the fixing frame, the movable plate being slidable along the left-right direction, a locking member being arranged on the movable plate and capable of fixing the transverse position of the movable plate, and a vertical slot being arranged on the movable plate.

2. The smart valve positioner of claim 1, wherein: The elastic component A and the elastic component B each comprise a spring telescopic rod, a fixing base, a rotating head, a sliding plate and a fixing plate, the movable end of the spring telescopic rod is provided with the fixing base, the rotating head is rotatably connected with the fixing base, the rotating head is provided with a threaded rod on the rotating shaft, the first end and the second end of the anti-collision rod are respectively provided with threaded holes corresponding to the threaded rod, the fixed end of the spring telescopic rod is connected with the sliding plate, the side of the sliding plate away from the spring telescopic rod is provided with a sliding groove, the positioner body is provided with the fixing plate, the fixing plate is provided with a sliding block slidably connected with the sliding groove, the deformation direction of the spring telescopic rod of the elastic component A is along the front-back direction and the direction of the sliding groove is along the vertical direction, and the deformation direction of the spring telescopic rod of the elastic component B is along the vertical direction and the direction of the sliding groove is along the front-back direction.

3. The smart valve positioner of claim 1, wherein: The protection shell comprises a front shell body and a rear shell body, the front shell body is provided with the observation window, the dial of the pressure gauge is arranged in the space enclosed by the front shell body and the rear shell body when the front shell body and the rear shell body are combined, the front shell body and the rear shell body are provided with recesses corresponding to each other at the closed position, the two recesses are combined to form a through port for the part of the pressure gauge connected with the positioner body to pass through, and the front shell body and the rear shell body are connected through fixing screws.

4. The smart valve positioner of claim 3, wherein: The front shell body is provided with a sealing strip A at the closed position, the rear shell body is provided with a butt joint groove corresponding to the sealing strip A at the closed position, the front shell body and the rear shell body are respectively provided with sealing strips B along the recesses, when the front shell body and the rear shell body are combined, the sealing strip A is filled into the butt joint groove, and the sealing strips B are tightly abutted against the outer wall of the part of the pressure gauge connected with the positioner body.

5. A smart valve positioner according to claim 4, characterized in that: The inward face of the rear shell body is provided with a placing groove, a desiccant bag is placed in the placing groove, and an elastic band is arranged on the opening of the placing groove.

6. The smart valve positioner of claim 1, wherein: The fixing frame comprises a pair of upper and lower connecting frames, the connecting frames are in the shape of a "H" character, the front ends of the connecting frames are connected with the back of the positioner body, the rear ends of the connecting frames are provided with slides in the left-right direction, the upper and lower ends of the movable plate are respectively connected with the corresponding slides in a sliding manner, the upper and lower ends of the movable plate are respectively provided with screw holes, the connecting frames are provided with square openings leading to the screw holes, the locking members are locking screws, the end portions of the movable plate are stopped from sliding in the slides by screwing the locking screws into the screw holes until the screw nuts of the locking screws tightly abut against the connecting frames, so as to fix the transverse position of the movable plate.

7. The smart valve positioner of claim 1, wherein: The front surface of the positioner body is provided with a display screen, and the part of the anti-collision rod in front of the display screen is narrower than the rest.

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