CN209294626U - Movable elbow active section high intensity bearing structure - Google Patents
Movable elbow active section high intensity bearing structure Download PDFInfo
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- CN209294626U CN209294626U CN201822154489.4U CN201822154489U CN209294626U CN 209294626 U CN209294626 U CN 209294626U CN 201822154489 U CN201822154489 U CN 201822154489U CN 209294626 U CN209294626 U CN 209294626U
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Abstract
A kind of movable elbow active section high intensity bearing structure, it includes the first bend pipe, the second bend pipe and sealing ring, it is socketed by the conical outer wall of the first bend pipe end and the inner wall of the second bend pipe end taper, by the setting sealing ring sealing between the first bend pipe and the end face of the second bend pipe contact, by the way that alley and sealing structure is arranged in the first bend pipe and the contact surface of the second bend pipe taper.The characteristics of the utility model overcomes that former movable elbow section bearing load is limited, and pressure-bearing discontinuity is resistance to force down, and seals unstable problem, has structure simple, increases structural strength, and bearing load is big, improves pressure-resistant performance, good seal performance.
Description
Technical field
The utility model belongs to high-pressure fluid line body technique field, is related to a kind of movable elbow active section high intensity pressure-bearing knot
Structure.
Background technique
Fluid line is chiefly used in conveying in liquid, such as shale oil production technique field, is related to high-pressure liquid
Substance is transported in rock mass, and by the technology of rock mass pressure break, the fluid line of this type requires bearing strength high, structural stability
It is good, biggish pressure can be carried, between 105 ~ 145MPa, the movable elbow as extensional pipeline connection is in the end of pipeline
Head is chronically at movable state, it is desirable that bearing strength more great talent can be avoided the sealing performance of tie point, currently on the market
The movable elbow section pressure-bearing used is slightly no more than 150MPa, the problem is that, bearing load is limited, carries unbalance stress
Even, pressure-resistant reduced performance, unstable in long-term seal under high pressures performance, there are the hidden danger of leakage, disconnection.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of movable elbow active section high intensity bearing structure, knots
Structure is simple, is flexibly connected using the first bend pipe and the second bend pipe, is sealed by the sealing ring in tie point, is located at the first bend pipe and the
Alley and sealing structure are set between the contact surface of two bend pipe tapers, increase structural strength, bearing load is big, improves pressure resistance
Performance, good seal performance.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:, and a kind of movable elbow active section is high
Intensity bearing structure, it includes the first bend pipe, the second bend pipe and sealing ring；First bend pipe and the second bend pipe activity connect
It connects, sealing ring seals between the first bend pipe and the second bend pipe；The contact surface of first bend pipe and the second bend pipe is taper
Alley, the first bend pipe and the second bend pipe are arranged on tapered surface and rotates around alley for face.
First bend pipe is the hollow tube of bending, and the end outer wall of tube body is in the cone-shaped gradually reduced, ball along nozzle
Road is located on the tapered surface of outer wall, and sealing ring and internal wall of pipe orifice cooperate.
Second bend pipe is the hollow tube of bending, and the end inner wall of tube body is along nozzle in gradually widened cone-shaped, ball
Road is located on the tapered surface of inner wall, and sealing ring is located in tube body.
The sealing ring is annular ring, and the intermediate setting of outer wall is recessed the card slot of annular, and positioned at the both ends of card slot, setting is recessed
Into the connecting groove of annular, node sealing ring, connecting groove setting linking sealing ring are set in card slot.
The groove body that the alley is made of two annular grooves, groove body is interior to be arranged steel ball, and two annular grooves are located at
Between first bend pipe and the contact surface of the second bend pipe.
The quantity of the alley be it is multiple, positioned at multiple alleys two sides be arranged the first pressure bearing and seal circle and the second pressure-bearing it is close
The contact surface of seal and the first bend pipe and the second bend pipe seals.
The inner wall setting pressurization sealing ring of second bend pipe, cooperates, pressurization sealing ring is with intermediate alley is distributed in
Ring structure, the groove body and steel ball that semi-circular shape is arranged cooperate.
Limit hole is arranged in the outer wall of second bend pipe, cooperates with stop screw, the outer wall of stop screw and the first bend pipe
Contradict limit.
The nozzle end face of first bend pipe is contacted with the end face of the second elbow internal wall, and node sealing ring is located at end face contact
Place, the linking sealing ring positioned at node sealing ring two sides contact sealing with the first bend pipe and the second bend pipe.
A kind of movable elbow active section high intensity bearing structure, it includes the first bend pipe, the second bend pipe and sealing ring；First
Bend pipe and the second bend pipe are flexibly connected, and sealing ring seals between the first bend pipe and the second bend pipe；First bend pipe and second curved
The contact surface of pipe is tapered surface, and alley, the first bend pipe and the second bend pipe are arranged on tapered surface and rotates around alley.Structure letter
It is single, by the conical outer wall of the first bend pipe end and the inner wall socket of the second bend pipe end taper, by the first bend pipe and the
Setting sealing ring seals between the end face of two bend pipes contact, by the way that ball is arranged in the first bend pipe and the contact surface of the second bend pipe taper
Road and sealing structure increase structural strength, and bearing load is big, improve pressure-resistant performance, good seal performance.
In the preferred scheme, the first bend pipe is the hollow tube of bending, and the end outer wall of tube body is in gradually to reduce along nozzle
Cone-shaped, alley is located on the tapered surface of outer wall, and sealing ring and internal wall of pipe orifice cooperate.Structure is simple, in use, the first bend pipe
End be deep into the tube body of the second bend pipe, sealing ring be located at connection endface sealing, alley for connect the first bend pipe
It with the second bend pipe, rotate the first bend pipe and the second bend pipe can between each other, when the nozzle of the first bend pipe is pressurized, by the
The cavity inner wall buffer brake of two bend pipes, the pressure face being mutually pressurized are on corresponding inclined surface, along pipeline radial diffusion, hold
Pressure energy power is more preferable.
In the preferred scheme, the second bend pipe is the hollow tube of bending, and the end inner wall of tube body is in gradually to expand along nozzle
Cone-shaped, alley is located on the tapered surface of inner wall, and sealing ring is located in tube body.Structure is simple, in use, the end of the second bend pipe
Head coats the end of the first bend pipe, and sealing ring is located at the endface sealing of connection, and alley is curved for the second bend pipe of connection and first
Pipe, rotate the second bend pipe and the first bend pipe can between each other, the second bend pipe end inner wall by the first bend pipe end
When the pressure that outer wall expands outwardly, directional pressure is given to the outer wall of the first bend pipe, mutual pressure acts on the contact of taper
On face, along pipeline radial diffusion, bearing capacity is more preferable.
In the preferred scheme, sealing ring is annular ring, and the intermediate setting of outer wall is recessed the card slot of annular, positioned at card slot
Both ends setting is recessed the connecting groove of annular, and node sealing ring, connecting groove setting linking sealing ring are arranged in card slot.Structure is simple,
In use, sealing ring is located in pipeline, node sealing ring and linking sealing ring contact sealing, multiple sealing dots with inner wall of the pipe
At ring packing structure do not influence sealing effect, good seal performance, pressure-bearing energy when the first bend pipe and the second bend pipe rotate
Power is strong.
In the preferred scheme, the groove body that alley is made of two annular grooves, groove body is interior to be arranged steel ball, two circular ring shapes
Slot is located between the first bend pipe and the contact surface of the second bend pipe.Structure is simple, in use, alley is for connecting the first bend pipe
With the second bend pipe, the intracorporal steel ball of slot is in rolling contact with the first bend pipe and the second bend pipe, mutual in the first bend pipe and the second bend pipe
When rotation, rotation is flexible.
In the preferred scheme, the quantity of alley is multiple, and the first pressure bearing and seal circle is arranged positioned at the two sides of multiple alleys
It is sealed with the contact surface of the second pressure bearing and seal circle and the first bend pipe and the second bend pipe.Structure is simple, in use, multiple alleys are to connect
Contact connects the first bend pipe and the second bend pipe, and connection structure is reliable and stable, and bearing strength is higher, rotates more flexible, multiple alleys
Two sides setting the first pressure bearing and seal circle and the second pressure bearing and seal circle and the first bend pipe and the second bend pipe conical contact surface construction it is close
Envelope, forms multiple-sealed structure, sealing performance is more preferable.
In the preferred scheme, the inner wall setting pressurization sealing ring of the second bend pipe, cooperates with intermediate alley is distributed in, increases
Junk ring is ring structure, and the groove body and steel ball that semi-circular shape is arranged cooperate.Structure is simple, in use, in the second bend pipe
Inner wall setting pressurization sealing ring, is pressurized sealing ring with the conical outer wall of the second bend pipe, alley and the first bend pipe and contacts sealing, into one
Step improves whole sealing performance, and when the first bend pipe and the second bend pipe are by mutual pressure, pressurization sealing ring accordingly compresses,
The pressure effect being subject to is bigger, and closer with pressurization sealing loop interface compacting, sealing performance is more preferable, and pressurization sealing ring is located at more
Multiple alleys of any alley or centre among a alley do not influence the alley at both ends and turn of the first bend pipe and the second bend pipe
Dynamic cooperation, intermediate multiple alley alleys and pressurization sealing ring cooperation, further improve sealing performance, are able to bear larger wave
The pipeline pressure of dynamic range, bearing capacity is more balanced, is not easy to reveal.
In the preferred scheme, limit hole is arranged in the outer wall of the second bend pipe, cooperates with stop screw, stop screw and first
The outer wall of bend pipe contradicts limit.Structure is simple, and in actual installation use process, the first bend pipe and the second bend pipe are in activity can be with
The state mutually rotated is not easy to installation positioning, at this point, the outer wall of itself and the first bend pipe can be made to support by rotary stopper screw
Touching avoids the first bend pipe and the second bend pipe from rotating, in reverse rotation stop screw contact limit again after the installation is completed, installation
It is convenient and efficient, it is preferable that columnar gasket is set in limit hole, drives the outer wall of itself and the first bend pipe to connect by stop screw
Touching, the not tapered surface of the first bend pipe of easy damaged when limit, good seal performance.
In the preferred scheme, the nozzle end face of the first bend pipe is contacted with the end face of the second elbow internal wall, node sealing ring
Positioned at end face contact position, the linking sealing ring positioned at node sealing ring two sides contacts sealing with the first bend pipe and the second bend pipe.Knot
Structure is simple, in use, the node sealing ring of sealing ring is located at the end face junction of the first bend pipe and the connection of the second bend pipe, is located at close
The linking sealing ring of seal ring two sides is contacted with the first bend pipe and the second bend pipe respectively, forms multiple sealings in lesser contact face
Point further improves whole sealing performance.
A kind of movable elbow active section high intensity bearing structure, it includes the first bend pipe, the second bend pipe and sealing ring, is passed through
The conical outer wall of first bend pipe end and the inner wall of the second bend pipe end taper are socketed, by connecing in the first bend pipe and the second bend pipe
Sealing ring is arranged between the end face of touching to seal, by the way that alley and sealing is arranged in the first bend pipe and the contact surface of the second bend pipe taper
Structure.The utility model overcomes that former movable elbow section bearing load is limited, and pressure-bearing discontinuity is resistance to force down, and sealing is unstable
Fixed problem has structure simple, increases structural strength, bearing load is big, improves pressure-resistant performance, the spy of good seal performance
Point.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic diagram of internal structure of Fig. 1.
Fig. 3 is the structural schematic diagram that the first bend pipe of the utility model and the second bend pipe connect.
Fig. 4 is the structural schematic diagram of the end of the first bend pipe of the utility model.
Fig. 5 is the structural schematic diagram of the end of the second bend pipe of the utility model.
Fig. 6 is the structural schematic diagram that the utility model is pressurized sealing ring.
In figure: the first bend pipe 1, the second bend pipe 2, limit hole 21, stop screw 22, sealing ring 3, node sealing ring 31, rank
Connect sealing ring 32, alley 4, steel ball 41, the first pressure bearing and seal circle 5, the second pressure bearing and seal circle 6, pressurization sealing ring 7.
Specific embodiment
In Fig. 1 ~ Fig. 6, a kind of movable elbow active section high intensity bearing structure, it includes the first bend pipe 1, the second bend pipe
2 and sealing ring 3；First bend pipe 1 and the second bend pipe 2 are flexibly connected, and sealing ring 3 is located at the first bend pipe 1 and the second bend pipe 2
Between seal；The contact surface of first bend pipe 1 and the second bend pipe 2 is tapered surface, is located on tapered surface and alley 4 is arranged, first
Bend pipe 1 and the second bend pipe 2 are rotated around alley 4.Structure is simple, passes through 2 end of conical outer wall and the second bend pipe of 1 end of the first bend pipe
The inner wall of nose cone shape is socketed, and by setting sealing ring 3 sealing between the first bend pipe 1 and the end face of the second bend pipe 2 contact, is passed through
Alley 4 and sealing structure are set in the contact surface of 2 taper of the first bend pipe 1 and the second bend pipe, increase structural strength, bearing load
Greatly, pressure-resistant performance, good seal performance are improved.
In preferred scheme, first bend pipe 1 is the hollow tube of bending, and the end outer wall of tube body is in gradually to contract along nozzle
Small cone-shaped, alley 4 are located on the tapered surface of outer wall, and sealing ring 3 and internal wall of pipe orifice cooperate.Structure is simple, in use, first
The end of bend pipe 1 is deep into the tube body of the second bend pipe 2, and sealing ring 3 is located at the endface sealing of connection, and alley 4 is for connecting
First bend pipe 1 and the second bend pipe 2 rotate the first bend pipe 1 and the second bend pipe 2 can between each other, in the nozzle of the first bend pipe 1
When compression, by the cavity inner wall buffer brake of the second bend pipe 2, the pressure face being mutually pressurized is on corresponding inclined surface, edge
Pipeline radial diffusion, bearing capacity are more preferable.
In preferred scheme, second bend pipe 2 is the hollow tube of bending, and the end inner wall of tube body is in gradually to expand along nozzle
Big cone-shaped, alley 4 are located on the tapered surface of inner wall, and sealing ring 3 is located in tube body.Structure is simple, in use, the second bend pipe
2 end coats the end of the first bend pipe 1, and sealing ring 3 is located at the endface sealing of connection, and alley 4 is for connecting the second bend pipe 2
With the first bend pipe 1, rotate the second bend pipe 2 and the first bend pipe 1 can between each other, the second bend pipe 2 end inner wall by
When the pressure that 1 end outer wall of the first bend pipe expands outwardly, directional pressure is given to the outer wall of the first bend pipe 1, mutual pressure is made
For the contact surface of taper, along pipeline radial diffusion, bearing capacity is more preferable.
In preferred scheme, the sealing ring 3 is annular ring, and the intermediate setting of outer wall is recessed the card slot of annular, is located at card
The both ends setting of slot is recessed the connecting groove of annular, and node sealing ring 31, connecting groove setting linking sealing ring 32 are arranged in card slot.Knot
Structure is simple, in use, sealing ring 3 is located in pipeline, node sealing ring 31 and linking sealing ring 32 contact sealing with inner wall of the pipe,
The ring packing structure that multiple seal points are formed does not influence sealing effect, seals when the first bend pipe 1 and the second bend pipe 2 rotate
Performance is good, and bearing capacity is strong.
In preferred scheme, the groove body that the alley 4 is made of two annular grooves, the interior setting steel ball 41 of groove body, two
Annular groove is located between the first bend pipe 1 and the contact surface of the second bend pipe 2.Structure is simple, in use, alley 4 is for connecting
The first bend pipe 1 and the second bend pipe 2 are connect, the intracorporal steel ball 41 of slot is in rolling contact with the first bend pipe 1 and the second bend pipe 2, curved first
When pipe 1 and the second bend pipe 2 mutually rotate, rotation is flexible.
In preferred scheme, the quantity of the alley 4 be it is multiple, it is close that first pressure-bearing is set positioned at the two sides of multiple alleys 4
The sealing of the contact surface of seal 5 and the second pressure bearing and seal circle 6 and the first bend pipe 1 and the second bend pipe 2.Structure is simple, in use, multiple
Alley 4 is that tie point connects the first bend pipe 1 and the second bend pipe 2, and connection structure is reliable and stable, and bearing strength is higher, rotates cleverer
First pressure bearing and seal circle 5 and the second pressure bearing and seal circle 6 and the first bend pipe 1 and the second bend pipe living, that the two sides of multiple alleys 4 are arranged
2 conical contact surface construction sealing, forms multiple-sealed structure, sealing performance is more preferable.
In preferred scheme, the inner wall setting pressurization sealing ring 7 of second bend pipe 2 is matched with the alley 4 for being distributed in intermediate
It closes, pressurization sealing ring 7 is ring structure, and the groove body and steel ball 41 that semi-circular shape is arranged cooperate.Structure is simple, in use,
The inner wall setting pressurization sealing ring 7 of two bend pipes 2, is pressurized outside the taper of sealing ring 7 and the second bend pipe 2, alley 4 and the first bend pipe 1
Wall contact sealing, further improves whole sealing performance, when the first bend pipe 1 and the second bend pipe 2 are by mutual pressure, increases
Junk ring 7 accordingly compresses, and the pressure effect being subject to is bigger, and closer with pressurization 7 contact surface of sealing ring compacting, sealing performance is more
Good, pressurization sealing ring 7 is located at any alley among multiple alleys 4 or multiple alleys of centre, do not influence the alley 4 at both ends with
First bend pipe 1 and the second bend pipe 2 are rotatably assorted, and intermediate multiple alley alleys 4 and pressurization sealing ring 7 cooperate, and further mention
High sealing performance, is able to bear the pipeline pressure of larger fluctuation range, bearing capacity is more balanced, is not easy to reveal.
In preferred scheme, limit hole 21 is arranged in the outer wall of second bend pipe 2, cooperates with stop screw 22, limits spiral shell
The outer wall of nail 22 and the first bend pipe 1, which contradicts, to be limited.Structure is simple, in actual installation use process, the first bend pipe 1 and the second bend pipe
2, in the states that can mutually rotate of activity, are not easy to installation positioning, at this point, can make itself and the by rotary stopper screw 22
The outer wall of one bend pipe 1 contradicts, and the first bend pipe 1 and the second bend pipe 2 is avoided to rotate, and is reversely rotating limit spiral shell again after the installation is completed
22 contact limit of nail, when installation, are convenient and efficient, it is preferable that columnar gasket are arranged in limit hole 21, by stop screw 22
It is driven to contact with the outer wall of the first bend pipe 1, the not tapered surface of the first bend pipe of easy damaged 1 when limit, good seal performance.
In preferred scheme, the nozzle end face of first bend pipe 1 is contacted with the end face of 2 inner wall of the second bend pipe, and node is close
Seal 31 is located at end face contact position, positioned at the linking sealing ring 32 of 31 two sides of node sealing ring and the first bend pipe 1 and the second bend pipe 2
Contact sealing.Structure is simple, in use, the node sealing ring 31 of sealing ring 3 be located at the first bend pipe 1 and the second bend pipe 2 connection
End face junction, the linking sealing ring 32 positioned at 3 two sides of sealing ring is contacted with the first bend pipe 1 and the second bend pipe 2 respectively, smaller
Contact face form multiple seal points, further improve whole sealing performance.
Movable elbow active section high intensity bearing structure as described above, when installing and using, the taper of 1 end of the first bend pipe
The inner wall of 2 end taper of outer wall and the second bend pipe is socketed, and is arranged between the end face that the first bend pipe 1 and the second bend pipe 2 contact close
Seal ring 3 seals, and alley 4 and sealing structure is arranged in the contact surface of 2 taper of the first bend pipe 1 and the second bend pipe, it is strong to increase structure
Degree, bearing load is big, improves pressure-resistant performance, good seal performance.
In use, the end of the first bend pipe 1 is deep into the tube body of the second bend pipe 2, sealing ring 3 is located at the endface of connection
Sealing, alley 4 turn the first bend pipe 1 and the second bend pipe 2 can between each other for connecting the first bend pipe 1 and the second bend pipe 2
It is dynamic, when the nozzle of the first bend pipe 1 is pressurized, by the cavity inner wall buffer brake of the second bend pipe 2, at the pressure face being mutually pressurized
In on corresponding inclined surface, along pipeline radial diffusion, bearing capacity is more preferable.
In use, the end of the second bend pipe 2 coats the end of the first bend pipe 1, the endface that sealing ring 3 is located at connection is close
Envelope, alley 4 rotate the second bend pipe 2 and the first bend pipe 1 can between each other for the second bend pipe 2 of connection and the first bend pipe 1,
In the pressure that the end inner wall of the second bend pipe 2 is expanded outwardly by 1 end outer wall of the first bend pipe, to the outer wall of the first bend pipe 1
Directional pressure is given, mutual pressure acts on the contact surface of taper, and along pipeline radial diffusion, bearing capacity is more preferable.
In use, sealing ring 3 is located in pipeline, node sealing ring 31 and linking sealing ring 32 contact close with inner wall of the pipe
Envelope, the ring packing structure that multiple seal points are formed do not influence sealing effect when the first bend pipe 1 and the second bend pipe 2 rotate,
Good seal performance, bearing capacity are strong.
In use, alley 4 for connect the first bend pipe 1 and the second bend pipe 2, the intracorporal steel ball 41 of slot and the first bend pipe 1 and
Second bend pipe 2 is in rolling contact, and in the first bend pipe 1 and the second 2 mutually rotation of bend pipe, rotation is flexible.
In use, multiple alleys 4 are that tie point connects the first bend pipe 1 and the second bend pipe 2, connection structure is reliable and stable, holds
It is higher to carry intensity, rotate it is more flexible, the first pressure bearing and seal circle 5 of the two sides of multiple alleys 4 setting and the second pressure bearing and seal circle 6 with
The sealing of the conical contact surface construction of first bend pipe 1 and the second bend pipe 2, forms multiple-sealed structure, sealing performance is more preferable.
In use, being pressurized sealing ring 7 and the second bend pipe 2, alley 4 in the inner wall setting pressurization sealing ring 7 of the second bend pipe 2
Sealing is contacted with the conical outer wall of the first bend pipe 1, further improves whole sealing performance, it is curved in the first bend pipe 1 and second
When pipe 2 is by mutual pressure, pressurization sealing ring 7 accordingly compresses, and the pressure effect being subject to is bigger, with pressurization 7 contact surface of sealing ring
It is compacted closer, sealing performance is more preferable, and pressurization sealing ring 7 is located at any alley among multiple alleys 4 or multiple balls of centre
Road, does not influence being rotatably assorted for the alley 4 at both ends and the first bend pipe 1 and the second bend pipe 2, intermediate multiple alley alleys 4 and increases
Junk ring 7 cooperates, and further improves sealing performance, is able to bear the pipeline pressure of larger fluctuation range, bearing capacity is more equal
Weighing apparatus, is not easy to reveal.
In actual installation use process, the first bend pipe 1 and the second bend pipe 2 are in the state that activity can be rotated mutually, no
It is easily installed and positioned, at this point, the outer wall of itself and the first bend pipe 1 can be made to contradict by rotary stopper screw 22, avoids the first bend pipe 1
It is rotated with the second bend pipe 2, it is convenient and efficient in reverse rotation stop screw 22 contact limit again after the installation is completed, installation, it is excellent
Columnar gasket is arranged in selection of land in limit hole 21, drives it to contact with the outer wall of the first bend pipe 1 by stop screw 22, limits
The tapered surface of or not first bend pipe of easy damaged 1, good seal performance when position.
In use, the node sealing ring 31 of sealing ring 3 is located at the end face junction of the first bend pipe 1 and the connection of the second bend pipe 2,
Linking sealing ring 32 positioned at 3 two sides of sealing ring is contacted with the first bend pipe 1 and the second bend pipe 2 respectively, in lesser contact face
Multiple seal points are formed, whole sealing performance is further improved.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the features in the embodiments and the embodiments of the present application in the absence of conflict, can mutual any combination.This is practical new
The protection scope of type should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection scope.Equivalent replacement i.e. within this range is improved, also the protection scope of the utility model it
It is interior.
Claims (9)
1. a kind of movable elbow active section high intensity bearing structure, it is characterized in that: it includes the first bend pipe (1), the second bend pipe (2)
With sealing ring (3)；First bend pipe (1) and the second bend pipe (2) are flexibly connected, sealing ring (3) be located at the first bend pipe (1) and
Second bend pipe seals between (2)；The contact surface of first bend pipe (1) and the second bend pipe (2) is tapered surface, is located on tapered surface
It is arranged alley (4), the first bend pipe (1) and the second bend pipe (2) are rotated around alley (4).
2. movable elbow active section high intensity bearing structure according to claim 1, it is characterized in that: first bend pipe
It (1) is the hollow tube of bending, the end outer wall of tube body is in the cone-shaped gradually reduced along nozzle, and alley (4) is located at the cone of outer wall
On shape face, sealing ring (3) and internal wall of pipe orifice cooperate.
3. movable elbow active section high intensity bearing structure according to claim 1, it is characterized in that: second bend pipe
It (2) is the hollow tube of bending, the end inner wall of tube body is along nozzle in gradually widened cone-shaped, alley (4) are located at the cone of inner wall
On shape face, sealing ring (3) is located in tube body.
4. movable elbow active section high intensity bearing structure according to claim 1, it is characterized in that: the sealing ring (3)
For annular ring, the intermediate setting of outer wall is recessed the card slot of annular, the connecting groove of annular, card slot is recessed positioned at the setting of the both ends of card slot
Interior setting node sealing ring (31), connecting groove setting linking sealing ring (32).
5. movable elbow active section high intensity bearing structure according to claim 1, it is characterized in that: the alley (4) by
The groove body of two annular grooves composition, is arranged steel ball (41) in groove body, and two annular grooves are located at the first bend pipe (1) and the
Between the contact surface of two bend pipes (2).
6. described in any item movable elbow active section high intensity bearing structures according to claim 1 ~ 5, it is characterized in that: the ball
The quantity in road (4) be it is multiple, the first pressure bearing and seal circle (5) and the second pressure bearing and seal circle is arranged in the two sides for being located at multiple alleys (4)
(6) it is sealed with the contact surface of the first bend pipe (1) and the second bend pipe (2).
7. movable elbow active section high intensity bearing structure according to claim 6, it is characterized in that: second bend pipe
(2) inner wall setting pressurization sealing ring (7) cooperates with intermediate alley (4) is distributed in, and pressurization sealing ring (7) is ring structure,
The groove body and steel ball (41) that semi-circular shape is arranged cooperate.
8. movable elbow active section high intensity bearing structure according to claim 6, it is characterized in that: second bend pipe
(2) limit hole (21) are arranged in outer wall, cooperate with stop screw (22), stop screw (22) and the outer wall of the first bend pipe (1) support
Touching limit.
9. movable elbow active section high intensity bearing structure according to claim 6, it is characterized in that: first bend pipe
(1) nozzle end face is contacted with the end face of the second bend pipe (2) inner wall, and node sealing ring (31) is located at end face contact position, is located at section
The linking sealing ring (32) of dot encapsulation circle (31) two sides contacts sealing with the first bend pipe (1) and the second bend pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822154489.4U CN209294626U (en) | 2018-12-21 | 2018-12-21 | Movable elbow active section high intensity bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822154489.4U CN209294626U (en) | 2018-12-21 | 2018-12-21 | Movable elbow active section high intensity bearing structure |
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| Publication Number | Publication Date |
|---|---|
| CN209294626U true CN209294626U (en) | 2019-08-23 |
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ID=67655862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822154489.4U Active CN209294626U (en) | 2018-12-21 | 2018-12-21 | Movable elbow active section high intensity bearing structure |
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| CN (1) | CN209294626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442124A (en) * | 2018-12-21 | 2019-03-08 | 中石化四机石油机械有限公司 | Movable elbow active section high intensity bearing structure |
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2018
- 2018-12-21 CN CN201822154489.4U patent/CN209294626U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442124A (en) * | 2018-12-21 | 2019-03-08 | 中石化四机石油机械有限公司 | Movable elbow active section high intensity bearing structure |
| CN109442124B (en) * | 2018-12-21 | 2024-01-09 | 中国石油化工集团有限公司 | High-strength pressure-bearing structure of movable elbow movable joint |
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