CN218992667U - Connector for petroleum machinery - Google Patents

Abstract

The technical scheme of the utility model provides a connector for petroleum machinery, which comprises the following components: the device comprises a connector, a body, an upper clamping assembly, an upper pushing piece, a pushing clamping piece, a lower pressing piece and a lifting structure; the body comprises a pipe body and an external thread pipe, the external thread pipe is fixed at the bottom end of the pipe body, and an annular groove is formed in the top of the pipe body; the inner annular wall of the annular groove is provided with a plurality of lower clamping grooves, and the outer side of the joint is provided with a plurality of upper clamping grooves; the connector is inserted at the top of the pipe body, and the upper clamping component is connected to the outer side of the connector in a threaded mode. According to the utility model, the connector is connected with the body in a clamping manner of a mechanical structure through the upper clamping assembly, the upper pushing piece, the pushing clamping piece, the lower pressing piece and the lifting structure, so that the connector is reliable in connection, difficult to fail and malfunction, long in service life, convenient to detach from the upper clamping assembly, and convenient to detach from the body, and is beneficial to subsequent maintenance and repair and replacement of components.

Description

Connector for petroleum machinery

Technical Field

The utility model relates to the technical field of petroleum machinery, in particular to a connector 5 for petroleum machinery.

Background

At present, the production operation of the continuous oil pipe of the oil well and the gas well is mainly carried out on a horizontal well, the well control device mostly adopts a flange form, the connection of the flange form of the well control device is more in tightening and disassembling times, and the purpose of quick disassembly and assembly can not be met by 0 method of disassembly and assembly of the flange.

In order to solve the problems, the Chinese patent application publication No. CN 217977904U discloses a hydraulic connector applied to petroleum machinery, which is driven by a hydraulic structure, so that the connector and the body are convenient to assemble and disassemble.

For the above prior art, although the quick assembly disassembly of the joint part can be achieved, the hydraulic 5 structure still has the defects of high cost, later maintenance and possible leakage, and for the complex petroleum well control environment, the hydraulic structure cannot achieve the effects of long service life and convenient maintenance, so that a connector with reliable structure and favorable disassembly, replacement and maintenance is needed.

Disclosure of Invention

0 in view of the above, it is necessary to provide a connector for petroleum machinery, which solves the technical problem that the quick-dismantling structure of the joint connector of the well control device in the prior art is not reliable enough due to hydraulic driving.

In order to achieve the above technical object, the present utility model provides a connector for petroleum machinery, comprising: the device comprises a connector, a body, an upper clamping assembly, an upper pushing piece, a pushing clamping piece, a lower pressing piece and a lifting structure;

the body comprises a pipe body and an external thread pipe, the external thread pipe is fixed at the bottom end of the pipe body, and an annular groove is formed in the top of the pipe body; the inner annular wall of the annular groove is provided with a plurality of lower clamping grooves, and the outer side of the joint is provided with a plurality of upper clamping grooves;

the connector is inserted at the top of the pipe body, and the upper clamping component is connected to the outer side of the connector in a threaded manner; the push-up piece is inserted and penetrates through the annular groove downwards; the pushing clamping piece is inserted into the inner side of the annular groove, the pressing piece is connected with the inner side of the annular groove in a threaded mode, and the pressing piece is used for pressing the pushing clamping piece elastically; the lifting structure is in threaded connection with the outer side of the external threaded pipe and is used for pushing the pushing-up piece upwards; the card pushing piece is used for extruding the upper card assembly to the axle center when moving upwards, and controlling the upper card assembly to be connected with the lower card slot and the upper card slot in an inserting mode.

Further, go up the card subassembly and include barrel, arc panel, go up fixture block, lower fixture block and coupling spring's quantity is four.

Further, the outside of arc panel is provided with the chamfer, connecting spring's both ends are connected with barrel inside wall and cambered surface board respectively, go up fixture block and lower fixture block and the inboard fixed connection of corresponding cambered surface board, just go up the fixture block and be located the corresponding lower fixture block directly over.

Further, an inner ring groove is formed in the inner side of the cylinder, four sliding grooves communicated with the inner ring groove are formed in the bottom of the cylinder, the arc face plate and the connecting springs are located in the inner ring groove, and the arc face plate penetrates through the corresponding sliding grooves.

Further, two limiting plates are arranged on the outer side of the arc panel, and the two limiting plates are respectively located above and below the sliding groove.

Further, four jacks communicated with the annular groove are formed in the bottom of the pipe body; the pushing-up piece comprises an annular plate and an inserting plate, wherein the annular plate is inserted into the annular groove and is attached to the inner bottom wall of the annular groove; the number of the plugboards is four, and the four plugboards are respectively spliced with the four jacks.

Further, the pushing clamping piece comprises an annular seat, a connecting rod and a positive inclined plane arc plate, the annular seat is inserted into the annular groove, the annular seat is attached to the top of the annular plate, the number of the connecting rod and the number of the positive inclined plane arc plate are four, the positive inclined plane arc plate is fixed to the top of the corresponding connecting rod, and the inclined plane of the positive inclined plane arc plate corresponds to the inverted inclined plane.

Further, the lower casting die includes a ring section of thick bamboo and extrusion spring, ring section of thick bamboo threaded connection is inboard at the ring channel, extrusion spring's quantity is four, and four extrusion spring all fixes the bottom at the ring section of thick bamboo, extrusion spring is laminated with the top of annular seat.

Further, the inner diameter of the annular groove is larger than the outer diameter of the externally threaded pipe.

Further, the lifting structure comprises a threaded cylinder, an annular push plate and a turning hand, wherein the threaded cylinder is in threaded connection with the outer side of the external threaded pipe, the annular push plate is fixed at the top of the threaded cylinder, and the turning hand is fixed on the outer side of the threaded cylinder.

Compared with the prior art, the utility model has the beneficial effects that: through last card subassembly, go up the piece, push away the piece, push down casting die and elevation structure to mechanical structure's block mode will connect and body coupling, connect reliably, be difficult for inefficacy and trouble, long service life, and connect with last card subassembly split convenience, go up the piece, push away the piece, push down casting die and elevation structure all with the body split convenience, do benefit to subsequent maintenance and change part.

Drawings

Fig. 1 is a schematic structural view of a connector for petroleum machinery according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of a connector for petroleum machinery according to an embodiment of the present utility model;

FIG. 3 is an enlarged partial view of portion A of FIG. 2 according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a connector for petroleum machinery according to an embodiment of the present utility model;

in the figure: 1. a joint; 11. an upper clamping groove;

2. a body; 21. a tube body; 22. an external threaded tube; 23. an annular groove; 24. a lower clamping groove; 25. a jack;

3. a card loading assembly; 31. a cylinder; 32. an arc panel; 33. a clamping block is arranged; 34. a lower clamping block; 35. an inverted slope; 36. a connecting spring; 37. an inner ring groove; 38. a chute; 39. a limiting plate;

4. a push-up member; 41. an annular plate; 42. inserting plate;

5. the pushing clamping piece; 51. an annular seat; 52. a connecting rod; 53. a positive slope arc plate;

6. a pressing piece; 61. a ring barrel; 62. extruding a spring; 63. a groove; 64. a pull rod;

7. a lifting structure; 71. a thread cylinder; 72. an annular push plate; 73. turning the hand.

Detailed Description

Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the utility model, and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 4, the present utility model provides a connector for petroleum machinery, comprising a joint 1, a body 2, an upper clamping assembly 3, an upper pushing member 4, a push clamping member 5, a lower pressing member 6 and a lifting structure 7; the connector 1 is spliced with the body 2, and under the cooperation of the upper clamping component 3, the upper pushing piece 4, the pushing clamping piece 5, the lower pressing piece 6 and the lifting structure 7, the mechanical structure is pushed to be in clamping connection, so that the connection is quick and reliable, and the subsequent maintenance and repair are easy.

Specifically, the body 2 comprises a pipe body 21 and an external thread pipe 22, the external thread pipe 22 is fixed at the bottom end of the pipe body 21, the outer diameter of the pipe body 21 is larger than that of the external thread pipe 22, an annular groove 23 is formed in the top of the pipe body 21, and the annular groove 23 is an insertion section for connecting the joint 1 and the body 2; the inner annular wall of the annular groove 23 is provided with a plurality of lower clamping grooves 24, the outer side of the joint 1 is provided with a plurality of upper clamping grooves 11, the number of the lower clamping grooves 24 and the number of the upper clamping grooves 11 are four, the lower clamping grooves 24 and the upper clamping grooves 11 are all circumferentially distributed, and the upper clamping grooves 3 are spliced with the upper clamping grooves 11 and the lower clamping grooves 24, so that the joint 1 is clamped and connected with the body 2.

The connector 1 is inserted into the top of the pipe body 21, the upper clamping component 3 is in threaded connection with the outer side of the connector 1, the connector 1 is provided with three stages which are inwards retracted downwards from the threaded connection surface of the upper clamping component 3, and the inner surface of the upper clamping component 3 is matched with the three stages; the push-up piece 4 is inserted into and downwards penetrates through the annular groove 23, and the push-up piece 4 and the pipe body 21 can slide relatively; the push clamping piece 5 is inserted into the inner side of the annular groove 23, the push clamping piece 5 is attached to the top of the upper push clamping piece 4, the lower pressing piece 6 is connected with the inner side of the annular groove 23 in a threaded manner, the lower pressing piece 6 is used for pressing the push clamping piece 5 in an elastic manner, and the push clamping piece is pushed through the lower pressing piece 6

The piece 5 and the push-up piece 4 are pressed down, so that the push-up piece 4 is attached to the inner bottom wall of the annular groove 23 in an initial state; the lifting structure 7 is in threaded connection with the outer side of the external threaded pipe 22, and the lifting structure 7 is used for pushing up the pushing-up piece 4; the card pushing piece 5 is used for extruding the upper card assembly 3 to the axle center when moving upwards, and controlling the insertion of the upper card assembly 3 with the lower card slot 24 and the upper card slot 11.

In use, the connector 1 is inserted into the top of the body 2 by screwing the upper clip assembly 3 to the outside of the connector 1; the connector 1 is inserted into the top of the pipe body 21, the upper clamping assembly 3 is inserted into the annular groove 23 of the pipe body 5, then the upper clamping assembly is lifted upwards through the rotary lifting structure 7, the upper pushing piece 4 is pushed upwards to push the clamping piece 5, the clamping piece 5 is contacted with the upper clamping assembly 3, the upper clamping assembly 3 is subjected to axial extrusion force, the clamping part on the clamping assembly is moved into the upper clamping groove 11 and the lower clamping groove 24, and the clamping part is inserted into the upper clamping groove 11 and the lower clamping groove 24, so that clamping connection is completed; the connector 1 and the body 2 are connected quickly, the operation is simple, and the 0 connection process can be completed only by rotating the lifting structure 7.

Further, in order to achieve the clamping function, referring to fig. 2-4, the upper clamping assembly 3 includes a cylinder 31, a cambered surface plate 32, an upper clamping block 33, a lower clamping block 34 and a connecting spring 36, the number of the cambered surface plate 32, the upper clamping block 33, the lower clamping block 34 and the connecting spring 36 is four, and four groups of cambered surface plates 32, the upper clamping block

The blocks 33, the lower clamping blocks 34 and the connecting springs 36 are circumferentially distributed to be uniformly distributed, so that the aim of balancing 5 stress during clamping is fulfilled; the outer side of the arc panel 32 is provided with an inverted inclined plane 35, and the inverted inclined plane 35 is used for bearing force and generating transverse pushing force on the arc panel 32; the two ends of the connecting spring 36 are respectively connected with the inner side wall of the cylinder 31 and the cambered surface plate 32, the connecting spring 36 is in a stretching state when clamped, and the connecting spring 36 is used for elastic shrinkage and returning of the cambered surface plate 32 when separated; the upper clamping block 33 and the lower clamping block 34 are fixedly connected with the inner sides of the corresponding cambered surface plates 32, and the upper clamping block 33 is positioned right above the corresponding lower clamping block 34; the upper clamping block 33 and the lower clamping block 34 respectively correspond to the positions of the upper clamping groove 11 and the lower clamping groove 24, and the clamping effect is achieved through the insertion connection of the upper clamping block 33 and the lower clamping block 34 with the upper clamping groove 11 and the lower clamping groove 24 respectively.

Further, in order to achieve stable lateral movement of the arc panel 32, referring to fig. 2-4, an inner ring groove 37 is formed in the inner side of the cylinder 31, four sliding grooves 38 communicated with the inner ring groove 37 are formed in the bottom of the cylinder 31, the arc panel 32 and the connecting spring 36 are both located in the inner ring groove 37, the arc panel 32 penetrates through the corresponding sliding grooves 38, and the sliding grooves 38 have a limiting and guiding function on lateral movement of the arc panel 32; in addition, two limiting plates 39 are arranged on the outer side of the arc surface plate 32, the two limiting plates 39 are respectively located above and below the sliding groove 38, and the width of the two limiting plates 39 is larger than that of the sliding groove 38, so that the upper and lower positions of the arc surface plate 32 are further limited, the arc surface plate 32 is not easy to deviate up and down, and the upper clamping block 33 and the lower clamping block 34 can be stably inserted into the upper clamping groove 11 and the lower clamping groove 24 respectively.

Further, in order to achieve the push-up function of the push-up member 4, referring to fig. 2 and 4, four insertion holes 25 communicating with the annular groove 23 are opened at the bottom of the tube body 21; the push-up member 4 comprises an annular plate 41 and a plugboard 42, wherein the annular plate 41 is spliced with the annular groove 23 and is attached to the inner bottom wall of the annular groove 23, the shape of the annular plate 41 is matched with that of the annular groove 23, and the annular plate 41 can relatively slide with the annular groove 23; the number of the plugboards 42 is four, the four plugboards 42 are respectively spliced with the four jacks 25, the plugboards 42 and the jacks 25 are all in arc shapes, and the annular plate 41 can be pushed upwards by pushing up the plugboards 42, so that the push clamping piece 5 can be pushed upwards.

Further, in order to achieve the connection effect of the push-clamping piece 5 and the upper clamping assembly 3, the push-clamping piece 5 comprises an annular seat 51, a connecting rod 52 and a positive inclined arc plate 53, the annular seat 51 is inserted into the annular groove 23, the annular seat 51 is attached to the top of the annular plate 41, and the annular seat 51 can be pushed upwards through upward movement of the annular plate 41, so that the whole push-clamping piece 5 is pushed upwards; the number of the connecting rods 52 and the straight bevel arc plates 53 is four, the straight bevel arc plates 53 are fixed at the tops of the corresponding connecting rods 52, the inclined surfaces of the straight bevel arc plates 53 correspond to the inverted inclined surfaces 35, the straight bevel arc plates 53 and the inverted inclined surfaces 35 are matched, the outward straight bevel arc plates 53 generate inward transverse thrust to the inward inverted inclined surfaces 35 by utilizing the pushing action of the inclined surfaces, so that the cambered surface plates 32 are pushed towards the axial direction, and the upper clamping blocks 33 and the lower clamping blocks 34 are respectively inserted into the upper clamping grooves 11 and the lower clamping grooves 24.

Further, in order to achieve the function of limiting the pushing and clamping piece 5 by the pushing and clamping piece 6, referring to fig. 2 and 4, the pushing and clamping piece 6 comprises a ring barrel 61 and extrusion springs 62, the ring barrel 61 is in threaded connection with the inner side of the annular groove 23, the number of the extrusion springs 62 is four, the four extrusion springs 62 are all fixed at the bottom of the ring barrel 61, the extrusion springs 62 are attached to the top of the annular seat 51, the pushing and clamping piece 5 and the pushing and clamping piece 4 can be positioned in an initial state through extrusion of the extrusion springs 62, and the pushing and clamping piece 5 and the pushing and clamping piece 4 can be pushed down to return to an initial position due to the elastic force of the extrusion springs 62 when the clamping is released.

It can be appreciated that the top of the ring barrel 61 is provided with a plurality of grooves 63, and pull rods 64 are arranged in the grooves 63, so that the ring barrel 61 can be conveniently rotated by the pull rods 64, and the pressing piece 6 can be conveniently detached.

Further, in order to achieve the lifting thrust effect of the lifting structure 7, the inner diameter of the annular groove 23 is larger than the outer diameter of the external thread tube 22, so that the annular groove 23 is just above the lifting structure 7 when the inserting plate 42 penetrates, the lifting structure 7 comprises a thread cylinder 71, an annular push plate 72 and a turning hand 73, the thread cylinder 71 is in threaded connection with the outer side of the external thread tube 22, the annular push plate 72 is fixed at the top of the thread cylinder 71, the turning hand 73 is fixed at the outer side of the thread cylinder 71, the thread cylinder 71 is driven to rotate through the turning hand 73, and the annular push plate 72 can be moved upwards, so that the inserting plate 42 is pushed upwards, and the pushing effect of the pushing-up piece 4 is achieved.

During assembly, the body 2 is assembled by connecting the lifting structure 7 to the external threaded pipe 22 through the threaded cylinder 71, then the lifting structure 7 is assembled to the body 2, the annular plate 41 is inserted into the annular groove 23 through the annular plate 41 in a natural manner, the push-up piece 4 is inserted into the body 2, then the push-up piece 5 is inserted into the body 2 through the annular seat 51 and the annular groove 23 in an inserted manner, and then the push-down piece 6 is assembled into the body 2 through the threaded connection of the annular cylinder 61 and the annular groove 23, so that the push-up piece 4 and the push-down piece 5 are limited to the inside of the body 2, namely the structure assembly of the body 2 is completed, the structures can be disassembled and assembled reversely according to the principle, and the components can be disassembled and replaced independently, thereby being convenient for subsequent maintenance and repair; the assembly of 1 part of joint, through barrel 31 threaded connection to the joint 1 outside, will go up the card subassembly 3 assemble on joint 1 can, go up the card subassembly 3 and dismantle, when connecting portion is lossy, directly change last card subassembly 3 can, need not change joint 1, and in the same way, when connecting portion is lossy, need not change body 2, dismantle other parts change can.

The specific working procedure of the utility model is as follows: inserting the assembled joint 1 part and the assembled joint body 2 part, inserting the bottom end of the joint 1 into the top end of the body 2, inserting the arc panel 32 into the annular groove 23 at the moment, aligning with the position of the right-angled arc plate 53, grabbing the rotating hand 73 to rotate, lifting the threaded cylinder 71 and the annular push plate 72, pushing the annular push plate 72 against the inserting plate 42 to push the annular plate 41 upwards, pushing the push clamping piece 5 upwards, extruding the extruding spring 62, contacting the right-angled arc plate 53 with the inverted inclined surface 35 at the same time, generating an pushing force for the arc surface plate 32 in the axial direction, inserting the upper clamping block 33 and the lower clamping block 34 with the upper clamping groove 11 and the lower clamping groove 24 respectively, and connecting the joint 1 with the body 2; during separation, the lifting structure 7 is moved downwards, the extrusion spring 62 is pressed downwards by elasticity, the push-clamping piece 5 and the push-up piece 4 are pushed back downwards to the initial position, meanwhile, the connecting spring 36 is contracted, the arc panel 32 is pulled to return to the initial position, the clamping is automatically released, the joint 1 and the body 2 can be pulled away, the whole mechanical structure is reliable in insertion, failure is not easy to occur, the service life is long, and subsequent maintenance and repair are easy.

The entire workflow is completed and what is not described in detail in this specification is well known to those skilled in the art.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.

Claims (10)

1. A connector for petroleum machinery, comprising: the device comprises a connector, a body, an upper clamping assembly, an upper pushing piece, a pushing clamping piece, a lower pressing piece and a lifting structure;

the body comprises a pipe body and an external thread pipe, the external thread pipe is fixed at the bottom end of the pipe body, and an annular groove is formed in the top of the pipe body; the inner annular wall of the annular groove is provided with a plurality of lower clamping grooves, and the outer side of the joint is provided with a plurality of upper clamping grooves;

the connector is inserted at the top of the pipe body, and the upper clamping component is connected to the outer side of the connector in a threaded manner; the push-up piece is inserted and penetrates through the annular groove downwards; the pushing clamping piece is inserted into the inner side of the annular groove, the pressing piece is connected with the inner side of the annular groove in a threaded mode, and the pressing piece is used for pressing the pushing clamping piece elastically; the lifting structure is in threaded connection with the outer side of the external threaded pipe and is used for pushing the pushing-up piece upwards; the card pushing piece is used for extruding the upper card assembly to the axle center when moving upwards, and controlling the upper card assembly to be connected with the lower card slot and the upper card slot in an inserting mode.

2. The connector for petroleum machinery according to claim 1, wherein the upper clamping assembly comprises a cylinder, an arc panel, an upper clamping block, a lower clamping block and a connecting spring, and the number of the arc panel, the upper clamping block, the lower clamping block and the connecting spring is four.

3. The connector for petroleum machinery according to claim 2, wherein an inverted slope is provided on the outer side of the cambered surface plate, two ends of the connecting spring are respectively connected with the inner side wall of the cylinder and the cambered surface plate, the upper clamping block and the lower clamping block are fixedly connected with the inner side of the corresponding cambered surface plate, and the upper clamping block is located right above the corresponding lower clamping block.

4. The connector for petroleum machinery according to claim 3, wherein the inner side of the cylinder is provided with an inner ring groove, the bottom of the cylinder is provided with four sliding grooves communicated with the inner ring groove, the arc panel and the connecting spring are both positioned in the inner ring groove, and the arc panel penetrates through the corresponding sliding grooves.

5. The connector for petroleum machinery according to claim 4, wherein two limiting plates are provided on the outer side of the arc panel, and the two limiting plates are located above and below the chute, respectively.

6. The connector for petroleum machinery according to claim 5, wherein four insertion holes communicating with the annular groove are formed in the bottom of the pipe body; the pushing-up piece comprises an annular plate and an inserting plate, wherein the annular plate is inserted into the annular groove and is attached to the inner bottom wall of the annular groove; the number of the plugboards is four, and the four plugboards are respectively spliced with the four jacks.

7. The connector for petroleum machinery according to claim 6, wherein the push-clamping member comprises an annular seat, a connecting rod and a positive inclined plane arc plate, the annular seat is inserted into the annular groove, the annular seat is attached to the top of the annular plate, the number of the connecting rod and the positive inclined plane arc plate is four, the positive inclined plane arc plate is fixed on the top of the corresponding connecting rod, and the inclined plane of the positive inclined plane arc plate corresponds to the inverted inclined plane.

8. The connector for petroleum machinery according to claim 7, wherein said hold-down member comprises a ring cylinder and pressing springs, said ring cylinder is screwed inside said annular groove, said pressing springs are four in number, and said pressing springs are fixed to the bottom of said ring cylinder, and said pressing springs are fitted to the top of said annular seat.

9. The connector for petroleum machinery according to claim 8, wherein said annular groove has an inner diameter larger than an outer diameter of the externally threaded tube.

10. The connector for petroleum machinery according to claim 9, wherein said elevating structure comprises a screw cylinder screwed to the outside of the externally threaded pipe, an annular push plate fixed to the top of the screw cylinder, and a swivel hand fixed to the outside of the screw cylinder.

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