CN210196458U

CN210196458U - Anti-fatigue main sealing structure for oil filling riser

Info

Publication number: CN210196458U
Application number: CN201920644979.4U
Authority: CN
Inventors: Huaichao Jiang; 姜怀超; Liang Wang; 汪梁
Original assignee: Lianyungang Sugang Petrochemical Equipment Co Ltd
Current assignee: Lianyungang Sugang Petrochemical Equipment Co Ltd
Priority date: 2019-05-04
Filing date: 2019-05-04
Publication date: 2020-03-27
Anticipated expiration: 2029-05-04

Abstract

The utility model discloses an anti-fatigue main sealing structure for crane pipe, which comprises a pipe head, a pressurizing mechanism, an elastic mechanism and a protective sleeve, wherein the pressurizing mechanism, the elastic mechanism and a static sealing washer are sleeved outside the pipe head, the elastic mechanism is positioned between the pressurizing mechanism and the static sealing washer, a through groove is arranged on the outer wall of the protective sleeve, the elastic mechanism comprises an outer sleeve, an inner spring, an outer spring, a movable sealing ring, a push plate, a pressure pipe and an inflation nozzle, the movable sealing ring and the push plate are sleeved outside the pipe head, the outer sleeve and the inner sleeve are fixedly connected between the movable sealing ring and the push plate, and the inner spring is arranged between the outer sleeve and the inner sleeve. After the sealing structure is used for a long time, the elasticity of the inner spring and the outer spring is reduced.

Description

Anti-fatigue main sealing structure for oil filling riser

Technical Field

The utility model relates to a main seal structure, in particular to anti-fatigue main seal structure for oil filling riser belongs to sealing member technical field.

Background

The oil filling riser is a pipe that can stretch out and draw back the removal, it is many used to the petroleum, aspects such as chemical industry pier liquid loading and unloading, it divide into multiple kind, it has high security to compare old-fashioned hose, advantages such as flexibility, for guaranteeing sealed effect, current oil filling riser connection structure adopts the mode that static seal and dynamic seal combined together more, the back appears damaging in static seal, maintain sealed effect by dynamic seal, dynamic seal utilizes elastic element as power, the effect of pretension compensation and buffering has been played, it guarantees sealed effect to keep enough elasticity all the time, elastic element acts for a long time, requirement to its fatigue resistance nature is higher, when necessary, only can change elastic element and keep the elastic effect, waste time and energy.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide an anti-fatigue main seal structure for oil filling riser.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an anti-fatigue main sealing structure for oil filling riser, including tube head, booster mechanism, elastic mechanism and lag, the outside cover of tube head is equipped with booster mechanism, elastic mechanism and static seal ring, elastic mechanism is located between booster mechanism and the static seal ring, the outer wall of lag has been seted up and has been worn the groove.

As a preferred technical scheme of the utility model, elastic mechanism includes overcoat, endotheca, internal spring, external spring, movable seal circle, push pedal, pressurized tube and charging connector, the equal cover of movable seal circle and push pedal is established in the tube head outside, fixedly connected with overcoat and endotheca between movable seal circle and the push pedal, be equipped with the internal spring between overcoat and the endotheca, the outside cover of overcoat is equipped with the external spring, the pressurized tube inlays to be established at the overcoat outer wall, the one end fixedly connected with charging connector of overcoat is kept away from to the pressurized tube.

As a preferred technical scheme of the utility model, booster mechanism includes the external screw thread, revolves to twist the cover, extends a section of thick bamboo, ball, circular slot and roll the groove, the external screw thread has been seted up to the tube head outer wall, the outside cover of external screw thread is equipped with and twists the cover, it has seted up the circular slot to twist the cover outer wall soon, the embedded extension section of thick bamboo that is equipped with of circular slot, the one side at the push pedal is seted up to the roll groove, be equipped with a plurality of balls in the roll inslot, extend a section of thick bamboo and.

As an optimized technical proposal of the utility model, the charging connector is embedded in the through groove.

As an optimal technical scheme of the utility model, it has the internal thread to revolve the inner wall of revolving sleeve, revolve revolving sleeve and tube head threaded connection.

As a preferred technical scheme of the utility model, the ball is located the push pedal and revolves to twist between the cover.

The utility model discloses the beneficial effect who reaches is: 1. the utility model relates to an anti-fatigue main sealing structure for oil filling riser through the setting of booster mechanism, rotates to revolve to twist the cover can push the push pedal antedisplacement, and the deformation volume of spring and outer spring in the reinforcing can strengthen the movive seal effect.

2. The utility model relates to an anti-fatigue main sealing structure for oil filling riser, through elastic mechanism's setting, after seal structure used for a long time, the elasticity of inner spring and outer spring diminishes, fills into high-pressure gas in the charging connector, can strengthen elastic mechanism's elasticity, has solved the tired back of elastic element, is difficult to maintain the problem that effectively bulldozes the effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a sectional view of the structure of the present invention;

fig. 2 is a sectional view of the elastic mechanism of the present invention;

fig. 3 is a structural sectional view of the protective cover of the present invention.

In the figure: 1. a pipe head; 2. a pressurization mechanism; 21. an external thread; 22. screwing the sleeve; 23. an extension cylinder; 24. a ball bearing; 25. a circular groove; 26. a rolling groove; 3. an elastic mechanism; 31. a jacket; 32. an inner sleeve; 33. an inner spring; 34. an outer spring; 35. a movable sealing ring; 36. pushing the plate; 37. a pressurizing pipe; 38. an air charging nozzle; 4. a static sealing gasket; 5. a protective sleeve; 51. and (6) penetrating through the groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, an anti-fatigue main sealing structure for an oil filling riser comprises a pipe head 1, a pressurizing mechanism 2, an elastic mechanism 3 and a protecting sleeve 5, wherein the pressurizing mechanism 2, the elastic mechanism 3 and a static sealing washer 4 are sleeved on the outer side of the pipe head 1, the elastic mechanism 3 is positioned between the pressurizing mechanism 2 and the static sealing washer 4, and a through groove 51 is formed in the outer wall of the protecting sleeve 5.

The elastic mechanism 3 comprises an outer sleeve 31, an inner sleeve 32, an inner spring 33, an outer spring 34, a movable sealing ring 35, a push plate 36, a pressurizing pipe 37 and an inflating nozzle 38, wherein the movable sealing ring 35 and the push plate 36 are sleeved on the outer side of the tube head 1, the outer sleeve 31 and the inner sleeve 32 are fixedly connected between the movable sealing ring 35 and the push plate 36, the inner spring 33 is arranged between the outer sleeve 31 and the inner sleeve 32, the outer spring 34 is sleeved on the outer side of the outer sleeve 31, the pressurizing pipe 37 is embedded on the outer wall of the outer sleeve 31, and one end, far away from the outer sleeve 31, of the.

The supercharging mechanism 2 comprises an external thread 21, a screwing sleeve 22, an extension barrel 23, balls 24, a circular groove 25 and a rolling groove 26, the external thread 21 is formed in the outer wall of the tube head 1, the screwing sleeve 22 is sleeved on the outer side of the external thread 21, the circular groove 25 is formed in the outer wall of the screwing sleeve 22, the extension barrel 23 is embedded in the circular groove 25, the rolling groove 26 is formed in one side of a push plate 36, the balls 24 are arranged in the rolling groove 26, and the extension barrel 23 is fixedly connected with the push plate 36.

The charging connector 38 is embedded in the through groove 51, so that a worker can conveniently detect air pressure or maintain the charging connector, internal threads are formed in the inner wall of the screwing sleeve 22, the screwing sleeve 22 is in threaded connection with the tube head 1 and can push the push plate 36 to move, and the balls 24 are located between the push plate 36 and the screwing sleeve 22, so that friction resistance is reduced.

Specifically, the utility model discloses during the use, tube head 1 is just right with the connector, static seal ring 4 extrudees between tube head 1 and connector, it can be with tube head 1 and connector screw fixation to tighten lag 5, lag 5 can push away push pedal 36 antedisplacement, and then promote elastic mechanism 3 antedisplacement, can pressurize to movable seal ring 35, when static seal ring 4 became invalid, movable seal ring 35 will replace static seal ring 4 to seal, sealed effect has been guaranteed, it can push away push pedal 36 antedisplacement to revolve wrong cover 22 to revolve to twist, strengthen the deformation volume of inner spring 33 and outer spring 34, can strengthen the movable seal effect, seal structure uses the back for a long time, the elasticity of inner spring 33 and outer spring 34 diminishes, fill into high-pressure gas in the charging connector 38, can strengthen elastic mechanism 3's elasticity, the tired back of elastic element has been solved, be difficult to maintain the problem of effectively bulldozing the effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an anti-fatigue main sealing structure for crane pipe, includes tube head (1), booster mechanism (2), elastic mechanism (3) and lag (5), its characterized in that, the outside cover of tube head (1) is equipped with booster mechanism (2), elastic mechanism (3) and static seal ring (4), elastic mechanism (3) are located between booster mechanism (2) and static seal ring (4), wear groove (51) have been seted up to the outer wall of lag (5).

2. The anti-fatigue main seal structure for the crane pipe according to claim 1, characterized in that: elastic mechanism (3) include overcoat (31), endotheca (32), internal spring (33), external spring (34), move sealing washer (35), push pedal (36), forcing pipe (37) and charging connector (38), move sealing washer (35) and push pedal (36) and all overlap and establish in the tube head (1) outside, move fixedly connected with overcoat (31) and endotheca (32) between sealing washer (35) and push pedal (36), be equipped with internal spring (33) between overcoat (31) and endotheca (32), the outside cover of overcoat (31) is equipped with external spring (34), forcing pipe (37) inlay and establish at overcoat (31) outer wall, the one end fixedly connected with charging connector (38) of overcoat (31) are kept away from in forcing pipe (37).

3. The anti-fatigue main seal structure for the crane pipe according to claim 1, characterized in that: booster mechanism (2) include external screw thread (21), revolve wrong cover (22), extend a (23), ball (24), circular slot (25) and roll groove (26), external screw thread (21) have been seted up to tube head (1) outer wall, the outside cover of external screw thread (21) is equipped with revolves wrong cover (22), revolve wrong cover (22) outer wall and seted up circular slot (25), circular slot (25) embedded extension section of thick bamboo (23) that is equipped with, roll groove (26) and set up the one side in push pedal (36), be equipped with a plurality of balls (24) in roll groove (26), extend a (23) and push pedal (36) fixed connection.

4. The anti-fatigue main seal structure for the crane pipe according to claim 2, characterized in that: the inflating nozzle (38) is embedded in the through groove (51).

5. The anti-fatigue main seal structure for the crane pipe according to claim 3, characterized in that: the inner wall of the screwing sleeve (22) is provided with an internal thread, and the screwing sleeve (22) is in threaded connection with the tube head (1).

6. The anti-fatigue main seal structure for the crane pipe according to claim 3, characterized in that: the ball (24) is located between the push plate (36) and the screw sleeve (22).