1. The quick leakage stopping sleeve for the high-pressure oil pipeline is characterized by comprising a first half jacket (1), a second half jacket (2), an inner sealing ring (7), an outer sealing ring (8) and a locking bolt (9), wherein semi-cylindrical grooves are formed in the first half jacket (1) and the second half jacket (2), the first half jacket (1) and the second half jacket (2) are connected in a buckling mode, the semi-cylindrical grooves between the first half jacket (1) and the second half jacket (2) are buckled to form a cylindrical hollow accommodating cavity, inner grooves (5) and outer grooves (6) are formed in the first half jacket (1) and the second half jacket (2), the outer grooves (6) are arranged on the outer peripheral side of the inner grooves (5) in a surrounding mode, the inner sealing ring (7) is embedded in the inner grooves (5), the outer grooves (6) are embedded in the outer grooves (6), the edges of the first half jacket (1) and the second half jacket (2) are fastened by the locking bolt (9).

2. The quick leakage blocking sleeve for the high-pressure oil pipeline as claimed in claim 1, wherein the first semi-jacket (1) comprises a first semi-circular arc plate and first flanges fixed on two length edges of the first semi-circular arc plate, the second semi-jacket (2) comprises a second semi-circular arc plate and second flanges fixed on two length edges of the second semi-circular arc plate, and the fastening bolt passes through the first flange and the second flange to lock the first semi-jacket (1) and the second semi-jacket (2).

3. The quick leakage blocking sleeve for the high-pressure oil pipeline as claimed in claim 2, wherein the first flange is provided with a through hole (3), the second flange is provided with a threaded hole (4) corresponding to the through hole (3), and the locking bolt (9) is threaded in the threaded hole (4) after penetrating through the through hole (3).

4. The quick leakage blocking sleeve for the high-pressure oil pipeline as claimed in claim 3, wherein the locking bolt (9) is a hexagon socket head cap screw.

5. The quick leakage blocking sleeve for the high-pressure oil pipeline is characterized by further comprising a spring washer, wherein the spring washer is arranged between the locking bolt (9) and the surface of the first flange.

6. The quick leakage blocking sleeve for the high-pressure oil pipeline as claimed in claim 1, wherein the inner sealing ring (7) and the outer sealing ring (8) are both of a temperature-resistant nitrile rubber material integrally formed structure.

7. The quick leakage blocking sleeve for the high-pressure oil pipeline as claimed in claim 1, wherein the maximum blocking oil pressure of the inner sealing ring (7) and the outer sealing ring (8) is 18 MPa.

8. The quick leakage blocking sleeve for the high-pressure oil pipeline as claimed in claim 1, wherein the inner sealing ring (7) comprises two first arc-shaped sections and two first straight sections, the two first arc-shaped sections are arranged in parallel, and the ends of the two first arc-shaped sections are connected through the first straight sections.

9. The high-pressure oil pipeline quick leakage stoppage sleeve as claimed in claim 8, wherein the outer sealing ring (8) comprises two second arc-shaped sections and two second straight sections, the two second arc-shaped sections are arranged in parallel, and the ends of the two second arc-shaped sections are connected through the second straight sections.

10. The quick leak stopping sleeve for the high-pressure oil pipeline as claimed in claim 9, wherein the diameters of the first arc-shaped section, the first straight section, the second arc-shaped section and the second straight section are the same.

11. The quick leakage blocking sleeve for the high-pressure oil pipeline as claimed in claim 1, wherein the first half jacket (1) and the second half jacket (2) are both of stainless steel integrally formed structure.

Background

In the operation of industrial production pipe network systems such as electric power, petrochemical industry, etc., because the pipeline can not be kept apart alone to handle because the pipeline leaks in the system operation because the lack of standard installation of pipeline or pipeline manufacturing defect cause the pipeline, even can keep apart the flammable and explosive characteristic of oil system and lead to the pipeline to repair or change the procedure very complicated, can't implement at all in a short time, lack a device that can block off high pressure fuel pipe leakage point fast.

Disclosure of Invention

Therefore, the invention provides a quick plugging sleeve for a high-pressure oil pipeline, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme:

according to the first aspect of the invention, the quick leakage stopping sleeve for the high-pressure oil pipeline comprises a first half jacket, a second half jacket, an inner sealing ring, an outer sealing ring and a locking bolt, wherein semi-cylindrical grooves are arranged in the first half jacket and the second half jacket, the first half jacket and the second half jacket are buckled and connected, the semi-cylindrical grooves between the first half jacket and the second half jacket are buckled and formed into a cylindrical hollow accommodating cavity, inner grooves and outer grooves are respectively formed in the first half jacket and the second half jacket, the outer grooves are arranged on the outer peripheral side of the inner grooves in a surrounding mode, the inner sealing ring is embedded in the inner grooves, the outer grooves are embedded in the outer grooves, and the edges of the first half jacket and the second half jacket are fastened through the locking bolt.

Further, the first semi-clamping sleeve comprises a first semi-circular arc plate and first flanges fixed on two length edges of the first semi-circular arc plate, the second semi-clamping sleeve comprises a second semi-circular arc plate and second flanges fixed on two length edges of the second semi-circular arc plate, and the fastening bolt penetrates through the first flanges and the second flanges to lock the first semi-clamping sleeve and the second semi-clamping sleeve.

Furthermore, a through hole is formed in the first flange, a threaded hole corresponding to the through hole is formed in the second flange, and the locking bolt is in threaded connection in the threaded hole after penetrating through the through hole.

Further, the locking bolt is a hexagon socket head cap screw.

Further, still include spring washer, be provided with between the surface of lock bolt and the first flange spring washer.

Further, the inner sealing ring and the outer sealing ring are of a temperature-resistant nitrile rubber material integrally formed structure.

Further, the maximum value of the plugging oil pressure of the inner sealing ring and the outer sealing ring is 18 MPa.

Further, the inner sealing ring comprises two first arc-shaped sections and two first straight line sections, the two first arc-shaped sections are arranged in parallel, and the end parts of the two first arc-shaped sections are connected through the first straight line sections.

Further, the outer sealing ring comprises two second arc-shaped sections and two second straight line sections, the two second arc-shaped sections are arranged in parallel, and the end portions of the two second arc-shaped sections are connected through the second straight line sections.

Further, the diameters of the first arcuate segment, the first linear segment, the second arcuate segment, and the second linear segment are the same.

Further, the first half jacket and the second half jacket are both stainless steel integrally-formed structures.

The invention has the following advantages: by the quick leaking stoppage sleeve for the high-pressure oil pipeline, leaking stoppage repair can be quickly carried out under the unexpected condition of oil pipeline leakage on site, and the leaking stoppage effect is remarkably improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1 is an exploded structural view of a high-pressure oil pipeline quick plugging sleeve according to some embodiments of the present invention.

Fig. 2 is a front structural view of a high-pressure oil pipeline quick plugging sleeve according to some embodiments of the present invention.

Fig. 3 is a side structure view of a high-pressure oil pipeline quick plugging sleeve according to some embodiments of the present invention.

In the figure: 1. the clamping device comprises a first half clamping sleeve, a second half clamping sleeve, a through hole, a second half clamping sleeve, a threaded hole, a first half clamping sleeve, a second half clamping sleeve, a third half clamping sleeve, a fourth half clamping sleeve, a fifth half clamping sleeve, a sixth clamping sleeve, an inner groove, a sixth groove, an outer groove, an inner sealing ring, 8, an outer sealing ring, 7, an inner sealing ring, 8, an outer sealing ring, 9 and a locking bolt.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, a high-pressure oil pipeline quick leaking stoppage sleeve in an embodiment of a first aspect of the present invention includes a first half jacket 1, a second half jacket 2, an inner seal ring 7, an outer seal ring 8, and a locking bolt 9, where semi-cylindrical grooves are provided in the first half jacket 1 and the second half jacket 2, the first half jacket 1 and the second half jacket 2 are fastened and connected, and the semi-cylindrical grooves therebetween are fastened and connected to form a cylindrical hollow accommodating cavity, an inner groove 5 and an outer groove 6 are provided in the first half jacket 1 and the second half jacket 2, the outer groove 6 is disposed around an outer circumferential side of the inner groove 5, the inner seal ring 7 is embedded in the inner groove 5, the outer groove 6 is embedded in the outer groove 6, and edges of the first half jacket 1 and the second half jacket 2 are fastened by the locking bolt 9.

In the above embodiment, it should be noted that, when in use, the first half jacket 1 and the second half jacket 2 are respectively provided with the inner seal ring 7 and the outer seal ring 8, then the first half jacket 1 and the second half jacket 2 provided with the inner seal ring 7 and the outer seal ring 8 are respectively placed on two sides of the oil leakage pipeline, and the side edges of the first half jacket 1 and the second half jacket 2 are locked by the locking bolt 9, so that the leakage stoppage of the high-pressure oil pipeline is realized.

The technical effects achieved by the above embodiment are as follows: through the quick leaking stoppage sleeve for the high-pressure oil pipeline, leakage stoppage repair can be quickly carried out under the unexpected condition of oil pipeline leakage on site, and the leaking stoppage effect is obviously improved.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the first semi-jacket 1 includes a first semicircular plate and first flanges fixed to both length edges of the first semicircular plate, the second semi-jacket 2 includes a second semicircular plate and second flanges fixed to both length edges of the second semicircular plate, and the fastening bolt passes through the first and second flanges to lock the first and second semi-jackets 1 and 2.

In the above optional embodiment, it should be noted that the inner diameters of the first semicircular arc plate and the second semicircular arc plate are the same as the diameter of the outer side wall of the high-pressure oil pipe to be plugged.

The beneficial effects of the above alternative embodiment are: through the specific structure of the first half jacket 1 and the second half jacket 2, the plugging and sealing of the high-pressure oil pipeline with the leakage holes are effectively realized, and the service life is longer than that of adhesive bonding.

Optionally, as shown in fig. 1 to 3, in some embodiments, the first flange is provided with a through hole 3, the second flange is provided with a threaded hole 4 corresponding to the through hole 3, and the locking bolt 9 is threaded into the threaded hole 4 after passing through the through hole 3.

In the above alternative embodiment, it should be noted that the first flange and the second flange are both flat plate structures, and in addition, in order to enhance the fixing effect, an internal thread may be provided in the through hole 3.

The beneficial effects of the above alternative embodiment are: the installation and fastening of the jacket assembly consisting of the first half jacket 1 and the second half jacket 2 are effectively realized through the through holes 3 arranged on the first flange and the threaded holes 4 arranged on the second flange.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the locking bolt 9 is a hexagon socket head cap screw.

In the above alternative embodiment, it should be noted that the locking bolt 9 may be an external hexagon head bolt or the like.

The beneficial effects of the above alternative embodiment are: through setting up locking bolt 9 to hexagon socket head cap screw, convenient for draw materials, easy operation is convenient for fasten, has reduced the occupation to pipeline exterior space.

Optionally, as shown in fig. 1 to 3, in some embodiments, a spring washer is further included, and the spring washer is disposed between the lock bolt 9 and the surface of the first flange.

In the above alternative embodiment, it should be noted that, in addition, rubber seal rings are provided at the joints of the locking bolt 9 with the through hole 3 and the threaded hole 4.

The beneficial effects of the above alternative embodiment are: by providing a spring washer, the locking strength of the locking bolt 9 with the first flange surface is significantly improved.

Optionally, as shown in fig. 1 to 3, in some embodiments, the inner seal ring 7 and the outer seal ring 8 are both of a temperature-resistant nitrile rubber material integrally molded structure.

In the above alternative embodiment, it should be noted that, in addition, the inner seal ring 7 and the outer seal ring 8 may be integrally formed by other materials.

The beneficial effects of the above alternative embodiment are: through all adopting temperature resistant butadiene acrylonitrile rubber material integrated into one piece structure with inner seal circle 7 and outer seal circle 8, showing the high temperature resistant performance who has promoted the sealing washer, showing the sealed effect that has promoted the sealing washer in addition.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the maximum blocking oil pressure of the inner sealing ring 7 and the outer sealing ring 8 is 18 MPa.

In the above optional embodiment, it should be noted that, in addition, the maximum value of the plugging oil pressure may also be set according to the actual requirement.

The beneficial effects of the above alternative embodiment are: through the setting of the maximum value of the plugging oil pressure of the embodiment, most use scenes are met.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the inner seal ring 7 includes two first arc-shaped segments and two first straight segments, the two first arc-shaped segments are arranged in parallel, and the ends of the two first arc-shaped segments are connected by the first straight segments.

In the above alternative embodiment, it should be noted that, in addition, the inner sealing ring 7 may be an integral structure, or the inner sealing ring 7 may be a split structure.

The beneficial effects of the above alternative embodiment are: by adopting the above structure of the inner seal ring 7, the inner groove 5 is tightly blocked.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the outer sealing ring 8 includes two second arc-shaped sections and two second straight-line sections, the two second arc-shaped sections are arranged in parallel, and ends of the two second arc-shaped sections are connected by the second straight-line section.

In the above alternative embodiment, it should be noted that, in addition, the outer sealing ring 8 may be of an integrated structure, or the outer sealing ring 8 may be of a split structure.

The beneficial effects of the above alternative embodiment are: by adopting the structure of the outer sealing ring 8, the outer groove 6 is tightly plugged.

In addition, the distances among the inner groove 5 and the outer groove 6 are equal, so that the stress uniformity of the inner sealing ring 7 and the stress uniformity of the outer sealing ring 8 are improved remarkably, and stress concentration is avoided effectively.

Alternatively, as shown in fig. 1-3, in some embodiments, the first arcuate segment, the first linear segment, the second arcuate segment, and the second linear segment have the same diameter.

In the above alternative embodiment, it should be noted that, in addition, the diameters of the first arc-shaped segment, the first straight-line segment, the second arc-shaped segment and the second straight-line segment may also be set to be different.

The beneficial effects of the above alternative embodiment are: the diameters of the arc section, the first straight line section, the second arc section and the second straight line section are set to be the same, so that the processing is simple, and the standardized production of the inner sealing ring 7 and the outer sealing ring 8 is facilitated.

Alternatively, as shown in fig. 1 to 3, in some embodiments, the first half jacket 1 and the second half jacket 2 are both of stainless steel integrally formed structure.

In the above alternative embodiment, it should be noted that, in addition, the first half jacket 1 and the second half jacket 2 may also be made of other rust-proof and corrosion-proof materials, and further, a waterproof paint layer is provided on the outer surface of the first half jacket 1 and the second half jacket 2.

The beneficial effects of the above alternative embodiment are: through half pressing from both sides cover 1 and half pressing from both sides of second 2 and set up to stainless steel integrated into one piece structure with first, show the life who has promoted the two, played fabulous water proof and corrosion protection effect.

In the embodiment, a combined jacket mode is adopted, different special jackets are matched for pipelines with different pipe outer diameters, the oil-resistant and temperature-resistant nitrile rubber palace type sealing element is sleeved in the jacket, an oil drainage port is formed in the jacket, the jacket can be installed quickly, plugging with the oil pressure being 18MPa at most can be completed successfully through field use, and long-period safe operation of the pipelines can be maintained.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.