阅读说明：本技术 一种阀门阀瓣开启高度检测仪的过渡接头 (Transition joint of valve clack opening height detector ) 是由 李博文 于 2021-08-19 设计创作，主要内容包括：本发明属于阀门领域,具体的说是一种阀门阀瓣开启高度检测仪的过渡接头,包括辅助接头,所述辅助接头的顶端活动连接有阀瓣,所述阀瓣的轴心处固定连接有阀门杆,所述阀门杆外表面的上部套接有阀门壳,所述阀门壳的内腔之间通过紧固螺栓固定连接,所述阀门杆外表面的上部与阀门壳的内壁滑动连接,所述阀门杆的顶端通过开口延伸至阀门壳的外部。阀门阀瓣上升到最高位置,显示装置显示的数字即为阀门阀瓣的上升高度,阀门阀瓣上升到最高位置时,此时配重块下方的减速气压区气压达到较大,减速气压区的气压产生的压强与卡套产生的惯性相平衡,从而有效减小惯性对测量数据的影响,使得虚假位移的数值控制在合理的范围之内。(The invention belongs to the field of valves, and particularly relates to a transition joint of a valve clack opening height detector, which comprises an auxiliary joint, wherein the top end of the auxiliary joint is movably connected with a valve clack, a valve rod is fixedly connected at the axis of the valve clack, a valve shell is sleeved at the upper part of the outer surface of the valve rod, inner cavities of the valve shell are fixedly connected through fastening bolts, the upper part of the outer surface of the valve rod is slidably connected with the inner wall of the valve shell, and the top end of the valve rod extends to the outside of the valve shell through an opening. The valve clack rises to the highest position, the number displayed by the display device is the rising height of the valve clack, when the valve clack rises to the highest position, the air pressure of the deceleration air pressure area below the balancing weight is larger, the pressure generated by the air pressure of the deceleration air pressure area is balanced with the inertia generated by the clamping sleeve, so that the influence of the inertia on the measurement data is effectively reduced, and the value of the false displacement is controlled within a reasonable range.)

1. The utility model provides a transition joint of valve clack opening height detector, includes auxiliary joint (1), its characterized in that: the top swing joint of auxiliary joint (1) has valve clack (2), the axle center department fixedly connected with valve pole (4) of valve clack (2), the upper portion of valve pole (4) surface is cup jointed and is had valve shell (3), through fastening bolt fixed connection between the inner chamber of valve shell (3), the upper portion of valve pole (4) surface and the inner wall sliding connection of valve shell (3), the outside that the opening extended to valve shell (3) is passed through on the top of valve pole (4).

2. The transition joint of the valve flap opening height detector of claim 1, wherein: the auxiliary joint (1) comprises a sleeve (11), sliding openings are formed in two sides of an inner cavity of the sleeve (11), a display device (6) is arranged in the inner cavity of the sleeve (11) through the sliding openings, an upper end cover (13) is fixedly connected to the top end of the inner wall of the sleeve (11), a balancing weight (5) is slidably connected to the inner wall of the sleeve (11), two sides of the outer surface of the balancing weight (5) are fixedly connected with the display device (6) through the sliding openings, guide inner shells (12) are fixedly connected to the upper portions of two sides of the outer surface of the balancing weight (5), the upper portion of the outer surface of each guide inner shell (12) is slidably connected with the inner cavity of the sleeve (11) through a groove, a deceleration air pressure area (7) is fixedly connected to the lower surface of the balancing weight (5), a connecting rod (15) is fixedly connected to the axis of the inner wall of the balancing weight (5), and the top end of the connecting rod (15) penetrates through the outer surface of the upper end cover (13), the top end of the outer surface of the connecting rod (15) is sleeved with a clamping sleeve (14), and the inner cavity of the clamping sleeve (14) is rotatably connected with a fixing device (8).

3. The transition joint of the valve flap opening height detector according to claim 2, characterized in that: balancing weight (5) include slider (51), the lower part sliding connection of slider (51) inner wall has bolt base (52), the bottom bolted connection of screw thread and connecting rod (15) surface is passed through to the inside of bolt base (52), the top fixed connection of buffer spring (53) and slider (51) inner wall is passed through to the upper surface of bolt base (52), there is the speed reduction lantern ring (54) opening sliding connection on the upper portion of slider (51) inner chamber, the surface joint of the inner chamber of the speed reduction lantern ring (54) and connecting rod (15), the surface fixed connection of the speed reduction lantern ring (54) has coarse swivel (55), the surface of coarse swivel (55) and the upper portion sliding connection of slider (51) inner chamber.

4. The transition joint of the valve flap opening height detector according to claim 2, characterized in that: display device (6) are including shading piece (62), the pipe hole has been seted up to the inner chamber of shading piece (62), luminous tube (63) have been cup jointed through the pipe hole to the inner chamber of shading piece (62), the bottom fixedly connected with wire (64) of luminous tube (63), the bottom fixedly connected with electron ring of wire (64), the transparent scale plate (61) of inner chamber fixedly connected with of sleeve (11), the scale fluting has evenly been seted up to the inner chamber of transparent scale plate (61).

5. The transition joint of the valve flap opening height detector according to claim 2, characterized in that: the speed-reducing air pressure area (7) comprises an air-extracting plug head (71), an airtight ring (73) is arranged on the lower portion of the lower surface of the air-extracting plug head (71), the outer surface of the airtight ring (73) is fixedly connected with the bottom end of the inner cavity of the sleeve (11), and the inner wall of the airtight ring (73) is fixedly connected with a hollow rubber (72).

6. The transition joint of the valve flap opening height detector according to claim 2, characterized in that: the fixing device (8) comprises a fastening ring (81), a tree wheel ring (82) is fixedly connected to the left side of the inner cavity of the fastening ring (81), a grooved wheel (83) is rotatably connected to the inner wall of the fastening ring (81) through the tree wheel ring (82), a limiting frame (84) is slidably connected to the outer surface of the grooved wheel (83), a grinding wheel (85) is fixedly connected to the left side of the limiting frame (84), and two sides of the outer surface of the grinding wheel (85) are slidably connected with the inner cavity of the clamping sleeve (14).

Technical Field

The invention belongs to the field of valves, and particularly relates to a transition joint of a valve clack opening height detector.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, is a control part in a fluid conveying system, and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting, overflowing, relieving pressure and the like.

The valve is the same as a common product, the valve needs to detect the related performance to a certain degree after being manufactured, wherein, the measurement of the opening height of the valve clack of the valve is an important item of a valve performance test, because the number of the detected products is too large, the detection is usually carried out by a machine instead of the prior art, the impact force of the machine at the moment of opening the valve clack is too large, the input end of a rod type displacement sensor is upwards overshot and is temporarily separated from the top end of the valve rod, so that the displacement distance displayed by a dial indicator or a dial indicator is larger than the actual opening height of the valve clack, namely, so-called false displacement, a larger error is generated, and the detected data is not in accordance with the actual situation.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a transition joint of a valve clack opening height detector, which solves the problem that the display of a dial indicator or a dial indicator generates displacement due to overlarge impact force of a machine at the moment of opening the valve clack.

(II) technical scheme

The technical scheme adopted by the invention for solving the technical problems is as follows: the transition joint of the valve clack opening height detector comprises an auxiliary joint, wherein the top end of the auxiliary joint is movably connected with a valve clack, a valve rod is fixedly connected to the axis of the valve clack, the upper part of the outer surface of the valve rod is sleeved with a valve shell, inner cavities of the valve shell are fixedly connected through fastening bolts, the upper part of the outer surface of the valve rod is connected with the inner wall of the valve shell in a sliding mode, and the top end of the valve rod extends to the outside of the valve shell through an opening.

The auxiliary joint includes the sleeve, the sliding opening has all been seted up to the both sides of sleeve inner chamber, telescopic inner chamber is provided with display device through the sliding opening, the top fixedly connected with upper end cover of sleeve inner wall, telescopic inner wall sliding connection has the balancing weight, the both sides of balancing weight surface are all through sliding opening and display device fixed connection, the upper portion fixedly connected with guide inner shell of balancing weight surface both sides, the upper portion of guide inner shell surface is through fluting and telescopic inner chamber sliding connection, the lower fixed surface of balancing weight is connected with the atmospheric pressure district that slows down, the axle center fixedly connected with connecting rod of balancing weight inner wall department, the surface of upper end cover is run through on the top of connecting rod, the cutting ferrule has been cup jointed on the top of connecting rod surface, the inner chamber of cutting ferrule rotates and is connected with fixing device.

The balancing weight includes the slider, the lower part sliding connection of slider inner wall has the bolt base, the bottom bolted connection of screw thread and connecting rod surface is passed through to the inside of bolt base, the top fixed connection of buffer spring and slider inner wall is passed through to the upper surface of bolt base, there is the speed reduction lantern ring on the upper portion of slider inner chamber through opening sliding connection, the inner chamber of the speed reduction lantern ring and the surface joint of connecting rod, the coarse change of surface fixed connection of the speed reduction lantern ring, the surface of coarse change and the upper portion sliding connection of slider inner chamber.

The display device comprises a shading block, a tube hole is formed in the inner cavity of the shading block, a light-emitting lamp tube is sleeved in the inner cavity of the shading block through the tube hole, a lead is fixedly connected to the bottom end of the light-emitting lamp tube, an electronic ring is fixedly connected to the bottom end of the lead, a transparent scale plate is fixedly connected to the inner cavity of the sleeve, and scale grooves are uniformly formed in the inner cavity of the transparent scale plate.

The speed reduction air pressure area comprises an air exhaust plug head, an airtight ring is arranged on the lower portion of the lower surface of the air exhaust plug head, the outer surface of the airtight ring is fixedly connected with the bottom end of the inner cavity of the sleeve, and hollow rubber is fixedly connected with the inner wall of the airtight ring.

The fixing device comprises a fastening ring, a tree wheel ring is fixedly connected to the left side of the inner cavity of the fastening ring, a grooved wheel is rotatably connected to the inner wall of the fastening ring through the tree wheel ring, a limiting frame is slidably connected to the outer surface of the grooved wheel, a grinding wheel is fixedly connected to the left side of the limiting frame, and two sides of the outer surface of the grinding wheel are slidably connected with the inner cavity of the clamping sleeve.

The invention has the following beneficial effects:

1. before the device is used for detecting the valve, the outer surface of the valve clack is sleeved with the inner wall of the cutting sleeve, then the valve rod is pulled by a machine, the valve clack is contracted into the valve shell, in the process, the cutting sleeve pulls the balancing weight to perform the same displacement through the connecting rod, after the movement is stopped, the valve clack rises to the highest position, the number displayed by the display device is the rising height of the valve clack, because the pulling force of the machine is overlarge, when the valve clack rises to the highest position, the cutting sleeve still rises for a certain distance under the action of inertia, and the air pressure of a deceleration air pressure area below the balancing weight reaches a larger value, after the tensile force of the machine is lost, the pressure intensity generated by the air pressure in the deceleration air pressure area is balanced with the inertia generated by the cutting sleeve, therefore, the influence of inertia on the measured data is effectively reduced, the value of the false displacement is controlled within a reasonable range, and the detected data is more in line with the actual situation.

2. When in actual use, the scale of sleeve surface can take place wearing and tearing along with the time, and then produce the trouble to the measurement of use and data, at telescopic inner wall standard scale, probably because transparent material's material problem, can't see clearly, the device is when measuring the valve clack and opening the height, the shading piece rises along with the balancing weight, luminous tube begins to give out light, the scale fluting of illuminating transparent scale inboard wall, the scale of being lighted is the height of opening of valve clack, the problem of the unable accurate observation at telescopic inner wall standard scale has been solved.

3. To different radial valve clacks, the user can be through rotating the opening radius size of dull polish wheel control cutting ferrule, when clockwise rotation dull polish wheel, the rotation of dull polish wheel through spacing frame control sheave, and the sheave is when the rotation, can outwards expand along the tree wheel ring of tighrening ring inner chamber gradually, and then loosen the opening of cutting ferrule, make the cutting ferrule can the bigger valve clack of joint radius, the joint finishes the back, anticlockwise rotation dull polish wheel, the tree wheel ring of tighrening ring inner chamber inwards closes tightly gradually, and then fasten the opening of cutting ferrule, thereby make the device can reduce when detecting with the not hard up of valve clack.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the auxiliary fitting of the present invention;

FIG. 3 is a schematic view of a counterweight according to the present invention;

FIG. 4 is a schematic diagram of the structure of the display device of the present invention;

FIG. 5 is a schematic view of the construction of the velocity reduction plenum of the present invention;

FIG. 6 is a schematic view of the present invention showing the structure of the fixing device.

In the figure: the device comprises an auxiliary connector 1, a valve clack 2, a valve shell 3, a valve rod 4, a sleeve 11, a guide inner shell 12, an upper end cover 13, a clamping sleeve 14, a connecting rod 15, a balancing weight 5, a sliding block 51, a bolt base 52, a buffer spring 53, a speed reduction lantern ring 54, a rough rotating ring 55, a display device 6, a transparent scale plate 61, a shading block 62, a light-emitting lamp tube 63, a lead 64, a speed reduction air pressure area 7, an air suction plug head 71, hollow rubber 72, an air seal ring 73, a fixing device 8, a fastening ring 81, a tree wheel ring 82, a grooved wheel 83, a limiting frame 84 and a grinding wheel 85.

Detailed Description

A transition joint of a valve flap opening height detector according to an embodiment of the present invention will be described below with reference to fig. 1 to 6.

As shown in fig. 1 to 6, the transition joint of the valve flap opening height detector according to the present invention includes an auxiliary joint 1, a valve flap 2 is movably connected to a top end of the auxiliary joint 1, a valve rod 4 is fixedly connected to an axis of the valve flap 2, a valve shell 3 is sleeved on an upper portion of an outer surface of the valve rod 4, inner cavities of the valve shells 3 are fixedly connected by fastening bolts, an upper portion of an outer surface of the valve rod 4 is slidably connected to an inner wall of the valve shell 3, and a top end of the valve rod 4 extends to an outside of the valve shell 3 through an opening.

The auxiliary joint 1 comprises a sleeve 11, sliding openings are respectively formed in two sides of an inner cavity of the sleeve 11, a display device 6 is arranged in the inner cavity of the sleeve 11 through the sliding openings, an upper end cover 13 is fixedly connected to the top end of the inner wall of the sleeve 11, a balancing weight 5 is slidably connected to the inner wall of the sleeve 11, two sides of the outer surface of the balancing weight 5 are fixedly connected with the display device 6 through the sliding openings, a guide inner shell 12 is fixedly connected to the upper portions of two sides of the outer surface of the balancing weight 5, the upper portion of the outer surface of the guide inner shell 12 is slidably connected with the inner cavity of the sleeve 11 through a groove, a deceleration air pressure area 7 is fixedly connected to the lower surface of the balancing weight 5, a connecting rod 15 is fixedly connected to the axis center of the inner wall of the balancing weight 5, the top end of the connecting rod 15 penetrates through the outer surface of the upper end cover 13, a clamping sleeve 14 is sleeved on the top end of the outer surface of the connecting rod 15, and the inner cavity of the clamping sleeve 14 is rotatably connected with a fixing device 8, before the device is used for detecting a valve, the outer surface of the valve clack 2 is sleeved with the inner wall of the clamping sleeve 14, then the valve rod 4 is pulled by a machine, the valve clack 2 is contracted into the valve shell 3, the clamping sleeve 14 pulls the balancing weight 5 to perform the same displacement through the connecting rod 15 in the process, after the movement is stopped, the valve clack rises to the highest position, the number displayed by the display device 6 is the rising height of the valve clack, the clamping sleeve 14 still rises for a certain distance under the action of inertia when the valve clack rises to the highest position due to overlarge pulling force of the machine, the air pressure of the deceleration air pressure area 7 below the balancing weight 5 reaches a larger value, after the pulling force of the machine is lost, the pressure generated by the air pressure of the deceleration air pressure area 7 is balanced with the inertia generated by the clamping sleeve 14, thereby effectively reducing the influence of the inertia on measurement data and controlling the numerical value of false displacement within a reasonable range, the detected data is more in line with the actual situation.

The counterweight 5 comprises a slide block 51, a bolt base 52 is connected to the lower portion of the inner wall of the slide block 51 in a sliding mode, the interior of the bolt base 52 is connected with the bottom end of the outer surface of the connecting rod 15 through threads in a bolt mode, the upper surface of the bolt base 52 is fixedly connected with the top of the inner wall of the slide block 51 through a buffer spring 53, the upper portion of the inner cavity of the slide block 51 is connected with a speed reducing lantern ring 54 through an opening in a sliding mode, the inner cavity of the speed reducing lantern ring 54 is clamped with the outer surface of the connecting rod 15, a rough rotating ring 55 is fixedly connected to the outer surface of the speed reducing lantern ring 54, the outer surface of the rough rotating ring 55 is connected with the upper portion of the inner cavity of the slide block 51 in a sliding mode, in order to enable the device to be convenient to maintain and assemble, the bolt base 52 is connected with the connecting rod 15 in a bolt connection mode, when the connecting rod 15 is pulled by the clamping sleeve 14, the bolt base 52 rises, and the slide block 51 is driven to rise integrally through the buffer spring 53, in the production process, the inferior-quality valve that valve clack 2 is littleer may appear, and the measurement pulling height of valve clack 2 can be too high this moment, and in order to restrict this kind of condition, balancing weight 5 is when moving the highest point, and the upper surface of slider 51 and the lower surface of upper end cover 13 joint each other prevent that balancing weight 5 from breaking away from the inner wall of sleeve 11 under the too big pulling force of machine, cause the damage of device.

The display device 6 comprises a shading block 62, a tube hole is formed in the inner cavity of the shading block 62, a light-emitting lamp tube 63 is sleeved in the inner cavity of the shading block 62 through the tube hole, a lead 64 is fixedly connected to the bottom end of the light-emitting lamp tube 63, an electronic ring is fixedly connected to the bottom end of the lead 64, a transparent scale plate 61 is fixedly connected to the inner cavity of the sleeve 11, scale grooves are uniformly formed in the inner cavity of the transparent scale plate 61, when the display device is actually used, scales on the outer surface of the sleeve 11 are abraded along with time, further troubles are caused to use and data measurement, standard scales are formed on the inner wall of the sleeve 11, possibly, the scales cannot be clearly seen due to the material problem of a transparent material, when the device is used for measuring the opening height of the valve clack 2, the shading block 62 rises along with the balancing weight 5, the light-emitting lamp tube 63 starts to emit light and illuminates the scale grooves on the inner wall of the transparent scale plate 61, the illuminated scale is the opening height of the valve clack 2, and the problem that the standard scale on the inner wall of the sleeve 11 cannot be accurately observed is solved.

The deceleration air pressure area 7 comprises an air extraction plug 71, an airtight ring 73 is arranged at the lower part of the lower surface of the air extraction plug 71, the outer surface of the airtight ring 73 is fixedly connected with the bottom end of the inner cavity of the sleeve 11, and the inner wall of the airtight ring 73 is fixedly connected with an air-blowing rubber 72.

The fixing device 8 comprises a fastening ring 81, a tree wheel ring 82 is fixedly connected to the left side of the inner cavity of the fastening ring 81, a grooved wheel 83 is rotatably connected to the inner wall of the fastening ring 81 through the tree wheel ring 82, a limiting frame 84 is slidably connected to the outer surface of the grooved wheel 83, a grinding wheel 85 is fixedly connected to the left side of the limiting frame 84, two sides of the outer surface of the grinding wheel 85 are slidably connected to the inner cavity of the clamping sleeve 14, for valve flaps 2 with different radiuses, a user can control the opening radius of the clamping sleeve 14 by rotating the grinding wheel 85, when the grinding wheel 85 is rotated clockwise, the grinding wheel 85 controls the rotation of the grooved wheel 83 through the limiting frame 84, when the grooved wheel 83 rotates, the grooved wheel 83 gradually expands outwards along the tree wheel ring 82 in the inner cavity of the fastening ring 81, so that the opening of the clamping sleeve 14 can be clamped to the valve flap 2 with a larger radius, and after the clamping is completed, the grinding wheel 85 rotates anticlockwise, the tree ring 82 in the inner cavity of the fastening ring 81 is gradually closed inwards to fasten the opening of the cutting sleeve 14, so that the device can reduce the looseness of the valve clack 2 during detection.

The specific working process is as follows:

before the device is used for detecting a valve, the outer surface of the valve clack 2 is sleeved with the inner wall of the clamping sleeve 14, then the valve rod 4 is pulled by a machine, the valve clack 2 is contracted into the valve shell 3, the clamping sleeve 14 pulls the balancing weight 5 to perform the same displacement through the connecting rod 15 in the process, after the movement is stopped, the valve clack rises to the highest position, the number displayed by the display device 6 is the rising height of the valve clack, the clamping sleeve 14 still rises for a certain distance under the action of inertia when the valve clack rises to the highest position due to overlarge pulling force of the machine, the air pressure of the deceleration air pressure area 7 below the balancing weight 5 reaches a larger value, after the pulling force of the machine is lost, the pressure generated by the air pressure of the deceleration air pressure area 7 is balanced with the inertia generated by the clamping sleeve 14, thereby effectively reducing the influence of the inertia on measurement data and controlling the numerical value of false displacement within a reasonable range, the detected data is more in line with the actual situation

When in actual use, the scale of sleeve 11 surface can take place wearing and tearing along with the time, and then produce the trouble to the measurement of use and data, at sleeve 11's inner wall standard scale, probably because of transparent material's material problem, can't see clearly, the device is when measuring valve clack 2 opening height, shading piece 62 rises along with balancing weight 5, light-emitting tube 63 begins to give out light, the scale fluting of illuminating transparent scale plate 61 inner wall, the scale of being lighted is the opening height of valve clack 2 promptly, the problem of the unable accurate observation of inner wall standard scale at sleeve 11 has been solved.

To different radial valve clacks 2, the user can be through the opening radius size of rotating dull polish wheel 85 control cutting ferrule 14, when clockwise rotation dull polish wheel 85, dull polish wheel 85 passes through the rotation of spacing frame 84 control sheave 83, and sheave 83 is when the rotation, can outwards expand along the tree wheel ring 82 of tighrening ring 81 inner chamber gradually, and then loosen cutting ferrule 14's opening, make cutting ferrule 14 can the bigger valve clack 2 of joint radius, the joint finishes the back, anticlockwise rotation dull polish wheel 85, the tree wheel ring 82 of tighrening ring 81 inner chamber inwards closes tightly gradually, and then fasten cutting ferrule 14's opening, thereby make the device can reduce when detecting not hard up with valve clack 2.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.