CN217439999U - High-pressure-difference flow controller capable of being blocked - Google Patents

Abstract

The utility model relates to a poor choke flow controller of high pressure, connect including giving up, give up the round pin, go up the dabber, salvage the neck, the composite pad goes up and the cap, sealed packing element, lower packing element seat, the sealing washer, the catch, the supporting seat, its characterized in that: one of lower dabber serve and install the dabber, the joint of giving up pass through the dabber and give up the pin junction, go up and the cap pass through the tight set screw of concave end and install outside salvaging the neck, the neck outside of salvaging of going up and cap one side be equipped with the nail seat of cutting, the deblocking nail of cutting install on the nail seat of cutting, packing element protection subassembly include the loose ring, the protection piece, the loose ring for dividing equally the cutting, loose ring outer lane be equipped with annular groove, annular groove in be equipped with the elastic steel piece, the protection piece between sealed packing element and loose piece. The utility model discloses a setting of choke controller can be blockked up to high pressure differential has protected the packing element, has satisfied packing element deformation, has improved the life of choke controller.

Description

High-pressure-difference flow controller capable of being blocked

Technical Field

The utility model relates to a choke flow controller can be blockked up to high pressure difference.

Background

The outer ring of the existing restrictor generally adopts the sealing mode of a sealing rubber seat to realize sealing with the pipeline, and after the pressure in the pipeline is greater than the rated pressure of the sealing rubber, the sealing rubber seat deforms, so that the sealing rubber is damaged, and the sealing between the restrictor and the pipeline cannot be realized.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a choke holder can be blocked up to high pressure difference. In order to solve the above problems, the utility model adopts the following technical scheme: the utility model provides a high pressure difference choke holder that can block up, includes the joint of giving up, the round pin of giving up, goes up the dabber, salvages the neck, and the combination pad goes up and the cap, and the screw is tightly decided to the concave end, lower dabber, the deblocking shear pin, the shear pin seat, go up the slips seat, the slips, outer center tube, lower slips seat, go up the cartridge holder, the packing element protection component, sealed packing element, lower cartridge holder, the sealing washer, the catch, the supporting seat, lower adapter sleeve, lower connector, locking gasket, the nozzle seat, the screw is tightly decided to the pointed end, direction head, its characterized in that: one end of the lower mandrel is provided with an upper mandrel, the releasing joint is connected with a releasing pin through the upper mandrel, the fishing neck is arranged on the outer ring of the upper mandrel and the lower mandrel, the upper union cap is arranged outside the fishing neck through a concave end fastening screw, the outer side of the fishing neck on one side of the upper union cap is provided with a shear pin seat, the deblocking shear pin is arranged on the shear pin seat, the outer central tube is arranged outside the lower mandrel, the outer central tube is provided with a slip, one side of the slip is provided with an upper slip seat, the other side of the slip is provided with a lower slip seat, one side of the lower slip seat is provided with an upper cylinder seat, one side of the sealing rubber cylinder is provided with a rubber cylinder protection component, the sealing rubber cylinder is arranged on one side of the rubber cylinder protection component, the lower rubber cylinder seat is arranged on one side of the sealing rubber cylinder, and the sealing ring is arranged between the outer central tube and the lower mandrel, the rubber tube protection assembly comprises a movable ring and a protection block, the movable ring is used for equally dividing and cutting, an annular groove is formed in the outer ring of the movable ring, an elastic steel sheet is arranged in the annular groove, and the protection block is arranged between the sealing rubber tube and the movable block.

Preferably, a sand control pipe is arranged in the guide head.

Preferably, the lower core shaft is hollow.

Preferably, one end of the lower mandrel is solid.

Preferably, a combined pad is arranged between the lower mandrel and the upper mandrel.

Preferably, the upper rubber barrel seat is provided with a first chamfer, the protection block is provided with a second chamfer, and two sides of the movable ring are conical surfaces.

Preferably, the movable ring is divided into 4 to 8 arc-shaped pieces.

Preferably, the number of the sealing rubber seats is two.

Since the technical scheme is used, compare with prior art, the utility model discloses a setting that high pressure differential can block up the flow controller has protected the packing element, has satisfied packing element deformation, has improved the life of flow controller.

The invention is further described with reference to the following drawings and detailed description.

Drawings

Fig. 1 is a structural view of the throttling device with high differential pressure and capable of being blocked.

Fig. 2 is a partial view of the throttling device with high differential pressure and capable of being blocked according to the present invention.

Fig. 3 is a partial view ii of the choke device with high differential pressure according to the present invention.

Fig. 4 is a partial view three of the restrictor according to the present invention.

Fig. 5 is a partial view of the restrictor according to the present invention with high differential pressure.

Fig. 6 is a partial view of the choke device with high differential pressure according to the present invention.

Fig. 7 is a partial view of a rubber sleeve protection assembly of the flow controller capable of being blocked by high pressure difference according to the present invention.

In the figure: 1. the joint comprises a releasing joint, 2, a releasing pin, 3, an upper mandrel, 4, a fishing neck, 5, a combined pad, 6, an upper combining cap, 7, a concave end fastening screw, 8, a lower mandrel, 9, a releasing shear pin, 10, a shear pin seat, 11, an upper slip seat, 12, a slip, 13, an outer central tube, 14, a lower slip seat, 15, an upper slip seat, 151, a first chamfer, 16, a rubber cylinder protection component, 161, a movable ring, 161a, an annular groove, 162, a protection block, 162a, a second chamfer, 17, a sealing rubber cylinder, 18, a lower rubber cylinder seat, 19, a sealing ring, 20, a locking ring, 21, a supporting seat, 22, a lower connecting sleeve, 23, a lower connecting head, 24, a locking gasket, 25, an air nozzle seat, 27, a tip fastening screw, 28, a guiding head, 29, an elastic steel sheet, 30 and a sand prevention pipe.

Detailed Description

Example (b): as shown in fig. 1-7, a high differential pressure chokeable flow controller, which comprises a releasing joint 1, a releasing pin 2, an upper mandrel 3, a fishing neck 4, a combined pad 5, an upper combining cap 6, a concave end fastening screw 7, a lower mandrel 8, a deblocking shear pin 9, a shear pin seat 10, an upper slip seat 11, a slip 12, an outer central tube 13, a lower slip seat 14, an upper slip seat 15, a rubber cylinder protection assembly 16, a sealing rubber cylinder 17, a lower rubber cylinder seat 18, a sealing ring 19, a locking ring 20, a supporting seat 21, a lower connecting sleeve 22, a lower connecting joint 23, a locking gasket 24, an air nozzle seat 25, a sealing ring 26, a tip fastening screw 27, and a guiding head 28, and is characterized in that: one end of the lower mandrel 8 is provided with an upper mandrel 3, the releasing joint 1 is connected with a releasing pin 2 through the upper mandrel 3, the fishing neck 4 is arranged on the outer ring of the upper mandrel 3 and the lower mandrel 8, the upper combining cap 6 is arranged outside the fishing neck 4 through a concave end fastening screw 7, the outer side of the fishing neck 4 on one side of the upper combining cap 6 is provided with a shear pin seat 10, the deblocking shear pin 9 is arranged on the shear pin seat 10, the outer central tube 13 is arranged outside the lower mandrel 8, the outer central tube 13 is provided with a slip 12, one side of the slip 12 is provided with an upper slip seat 11, the other side of the slip 12 is provided with a lower slip seat 14, one side of the lower slip seat 14 is provided with an upper slip seat 15, one side of the sealing rubber tube 17 is provided with a rubber tube protecting component 16, the sealing rubber tube 17 is arranged on one side of the rubber tube protecting component 16, the lower rubber cylinder seat 18 is arranged at one side of the sealing rubber cylinder 17, the sealing ring 19 is arranged between the outer central tube 13 and the lower mandrel 8, the locking ring 20 is arranged between the lower rubber cylinder seat 18 and the outer central tube 13, the supporting seat 21 is arranged at one side of the lower rubber cylinder seat 18, the lower connecting head 23 is arranged on the lower mandrel 8, the lower connecting sleeve 22 is arranged at the outer ring of the supporting seat 21 and the lower connecting head 23, the anti-loosening gasket 24 is arranged between the air nozzle seat 25 and the lower connecting head 23, the air nozzle seat 25 is arranged at one end of the lower mandrel 8, the guiding head 28 is connected with the air nozzle seat 25 through a tip tightening screw 27, the rubber cylinder protecting component 16 comprises a movable ring 161 and a protecting block 162, the movable ring 161 is cut uniformly, an annular groove 161a is arranged at the outer ring of the movable ring 161, an elastic steel sheet 29 is arranged in the annular groove 161a, the protective block 162 is arranged between the sealing rubber cylinder 17 and the movable block 161.

The utility model discloses in, according to the actual operation needs, when dabber 8 is the cavity form down, guide head 28 in be equipped with sand control pipe 30, form the flow controller of taking prefiltration function.

When the pipeline needs to be plugged, one end of the lower mandrel 8 is solid, and the throttler becomes a plug to plug the pipeline.

Further, a combined gasket 5 is arranged between the lower mandrel 8 and the upper mandrel 3, and sealing between the lower mandrel 8 and the upper mandrel 3 is realized through the arrangement of the combined gasket 5.

Further, last cylinder base 15 on be equipped with chamfer 151, protection piece 162 on be equipped with chamfer two 162a, activity ring 161 both sides be the conical surface, through the setting of chamfer 151 and chamfer two 162a, install activity ring 161 at last cylinder base 15 and protection piece 162 paper, receive pressure when sealed packing element 17 and be greater than its rated pressure, lead to the production deformation of sealed packing element 17, because the extrusion of sealed packing element 17, make activity ring 162 shift out along chamfer 151 and the direction of chamfer two 162a, because activity ring 162 is the annular of equalling divide by linear cutting, produce deformation when it and make, through the elasticity of elastic steel sheet 29, make activity ring 162 abduct along elastic steel sheet 29 to give out the distance for the deformation of sealed packing element 17, provide the stroke of deformation.

Furthermore, activity ring 162 equally divide into 4 to 8 arcs, a plurality of arc pieces can equally divide through the linear cutting after activity ring 162 processing, constitute a complete circular, satisfy the requirement of sealing rubber cylinder 17 deformation.

Further, the number of the sealing rubber seats 17 is two, and the requirement for larger deformation is met through the arrangement of the plurality of sealing rubber cylinders 17.

The utility model discloses in, in pushing the pipeline of flow controller, push into through the 28 one end of direction head, through slips 12 along the slope of lower slip seat 14, slips 12 opens, realizes the deblocking, realizes sealing between flow controller and the pipeline wall through sealed packing element 17. The conventional throttler can realize throttling regulation only by regulating the valve core, and the throttler in the application can replace the valve core, so that throttling can be realized, the blocking effect can be realized, and multiple functions are realized.

Since the technical scheme is used, compare with prior art, the utility model discloses a setting that high pressure differential can block up the flow controller has protected the packing element, has satisfied packing element deformation, has improved the life of flow controller.

The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all of which have the same or similar technical solution, and all belong to the protection scope of the present invention.

Claims (8)

1. The utility model provides a high pressure difference choke holder that can block up, includes the releasing joint, the releasing round pin, goes up the dabber, salvages the neck, the combination pad goes up and the cap, concave end holding screw, lower dabber, the deblocking shear pin, the shear pin seat, go up the slip seat, the slips, outer center tube, lower slip seat, go up the cartridge seat, packing element protection component, sealed packing element, lower cartridge seat, the sealing washer, the catch, the supporting seat, lower adapter sleeve, lower connector, locking gasket, the air nozzle seat, sharp end holding screw, the direction head, its characterized in that: one end of the lower mandrel is provided with an upper mandrel, the releasing joint is connected with a releasing pin through the upper mandrel, the fishing neck is arranged on the outer ring of the upper mandrel and the lower mandrel, the upper union cap is arranged outside the fishing neck through a concave end fastening screw, the outer side of the fishing neck on one side of the upper union cap is provided with a shear pin seat, the deblocking shear pin is arranged on the shear pin seat, the outer central tube is arranged outside the lower mandrel, the outer central tube is provided with a slip, one side of the slip is provided with an upper slip seat, the other side of the slip is provided with a lower slip seat, one side of the lower slip seat is provided with an upper cylinder seat, one side of the sealing rubber cylinder is provided with a rubber cylinder protection component, the sealing rubber cylinder is arranged on one side of the rubber cylinder protection component, the lower rubber cylinder seat is arranged on one side of the sealing rubber cylinder, and the sealing ring is arranged between the outer central tube and the lower mandrel, the catch install under between packing element seat and outer center tube, the supporting seat install one side of packing element seat under, lower connector install at the dabber down, lower adapter sleeve install in the outer lane of supporting seat and lower connector, air cock seat and lower connector between install locking gasket, the air cock seat install the one end at the dabber down, the direction head be connected with the air cock seat through most advanced tight set screw, packing element protection subassembly include loose ring, the protective block, the loose ring for equallying divide the cutting, the loose ring outer lane be equipped with the annular groove, the annular groove in be equipped with the elastic steel piece, the protective block between sealed packing element and loose block.

2. The high pressure differential blockable flow restrictor of claim 1, wherein: and a sand control pipe is arranged in the guide head.

3. The high differential pressure blockable flow restrictor of claim 2, wherein: the lower core shaft is hollow.

4. The high pressure differential blockable flow restrictor of claim 1, wherein: one end of the lower mandrel is solid.

5. The high pressure differential blockable flow restrictor of claim 1, wherein: and a combined pad is arranged between the lower mandrel and the upper mandrel.

6. The high pressure differential blockable flow restrictor of claim 1, wherein: the upper rubber barrel seat is provided with a first chamfer, the protection block is provided with a second chamfer, and two sides of the movable ring are conical surfaces.

7. The high pressure differential blockable flow restrictor of claim 1, wherein: the movable ring is divided into 4 to 8 arc-shaped pieces.

8. The high pressure differential blockable flow restrictor of claim 1, wherein: the number of the sealing rubber seats is two.

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