Reliably-sealed high-pressure union for natural gas extraction

Abstract

The utility model discloses a reliable-sealing high-pressure union for natural gas exploitation, which comprises a male union head and a female union head which are fixedly arranged in a union seat in a sealing manner, so that the male union head and the female union head are butted and hermetically arranged, a flange is arranged in the union seat, the female union head is hermetically and threadedly arranged in the union seat at the bottom of the flange, and a conical groove is formed in the top of the female union head. A first bobbin part is arranged on the upper portion of the conical head, a third bobbin part is arranged at the bottom of the conical head, a third sealing groove is formed in the bottom of the third bobbin part, the third sealing groove and the first sealing groove are installed in a sealed mode through a first sealing ring, a fourth sealing groove is formed in the outer side of the third bobbin part, and the fourth sealing groove and the second sealing groove are installed in a sealed mode through a second sealing ring. And a second positioning sealing groove is formed in the surface of the middle of the conical head, the first positioning sealing groove and the second positioning sealing groove are installed in a sealed mode through a sealing assembly, through a three-stage sealing mode, the sealing performance of the connecting position is improved, and installation is convenient and rapid.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure by the technical field of ren, specifically related to a natural gas exploitation sealing reliable high pressure by the ren. BACKGROUND

[0002] High pressure by the ren is a kind of pipeline connecting piece that is convenient to install and disassemble, its main body is usually made of high-strength alloy steel, can bear up to hundreds of megapascal pressure.Meanwhile, with high strength, high pressure resistance and other characteristics, it plays an important role in industrial production.

[0003] Publication (announcement) number: CN210440714U, disclose a kind of welding-free combination type double metal high pressure by the ren, belong to resource and environment technical field, including public ren head, female ren head and ren nut;The first recess is equipped in the inner wall of one end of the ren nut close to female ren head, the cross section of the first recess is semicircular arc, ren inflatable tire is equipped in the first recess, the ren inflatable tire includes ren inflatable tire body, metal connecting plate and valve core, the cross section of the ren inflatable tire body is semicircular arc, the inner wall of the metal connecting plate is equipped with screw thread, the metal connecting plate is threadedly connected with the end of female ren head.

[0004] In prior art:

[0005] First, the sealing structure is relatively complicated, is not conducive to quick sealing installation, so as to be inconvenient to install, cause poor sealing.

[0006] Second, the installation of the product for ren public head and ren female head and the sealing installation of ren public head in ren seat lack stability and sealing installation.

[0007] Therefore, it is necessary to provide a natural gas exploitation sealing reliable high pressure by the ren. UTILITY MODEL CONTENT

[0008] In view of the problems existing in the prior art, the utility model provides a natural gas exploitation sealing reliable high pressure by the ren, to realize the efficiency of improving length calibration of pull rope type and improving product calibration precision, avoid causing product length measurement parameter inaccuracy.

[0009] In order to achieve the above object, the utility model discloses the following technical scheme realizes: a natural gas exploitation high pressure reliable sealing high pressure nipple, including the nipple seat inside sealing fixed mounting has nipple male head, nipple female head, so that nipple male head, nipple female head butt joint sealing installation, the inside of nipple seat is provided with the baffle, the inside of nipple seat is sealed screw -threaded installation nipple female head at the bottom of baffle, the top of nipple female head is set up as the conical groove, the bottom of conical groove is set up as the clamping groove no.

[0010] Preferably, the positioning sealing groove one is set as the circular arc sealing groove five, the positioning sealing groove two is set as the straight angle trapezoidal trapezoidal groove, and the sealing groove and the trapezoidal groove are sealed and installed through the sealing assembly.

[0011] Preferably, the sealing assembly structure matches the shape structure of the sealing groove five and the trapezoidal groove.

[0012] Preferably, the inside of nipple male head and nipple female head away from each other is provided with a thread.

[0013] Preferably, the bottom of the first tube part and the top end surface of the conical groove abut and install, and the top of the first tube part and the bottom of the baffle abut and install.

[0014] In summary, the utility model provides a kind of natural gas exploitation high pressure by reliable sealing, and the sealing sleeve joint of cone structure is adopted in male end and female end, and three-level sealing structure is used in connecting place, specifically: the top of female end is opened as conical groove, the bottom of conical groove is opened as clamping groove one, the cross section of clamping groove one is right angle groove, the bottom plane structure of clamping groove one is opened as sealing groove one, the side of clamping groove one is opened as sealing groove two, the bottom of male end is set as the conical head of matching and installing with conical groove, the bottom of conical head is set as tube section three, the bottom of tube section three is opened as sealing groove three, sealing groove three and sealing groove one are sealed and installed by sealing ring one, the outside of tube section three is opened as sealing groove four, sealing groove four and sealing groove two are sealed and installed by sealing ring two, the middle surface of conical head is opened as positioning sealing groove two, positioning sealing groove one and positioning sealing groove two are sealed and installed by sealing assembly, by three-level sealing mode, the sealing of connecting place is improved, and the structure mode of installation convenience, fast is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the whole high pressure by of the utility model;

[0016] Figure 2 It is the internal analysis structure schematic diagram of the utility model's high pressure by;

[0017] Figure 3 It is the structure schematic diagram of the utility model Figure 2 B place of sealing cooperation installation;

[0018] Figure 4 It is the structure schematic diagram of sealing ring one, sealing ring two and sealing assembly in the utility model Figure 2 B place;

[0019] Figure 5 It is the structure schematic diagram of conical groove of the utility model;

[0020] Figure 6 It is the structure schematic diagram of sealing groove one and sealing groove two in the utility model Figure 5 A place;

[0021] Figure 7 It is the structure analysis schematic diagram of male end of the utility model;

[0022] In the drawing: the female end 1, male end 2, female end 3, stop edge 4, conical groove 5, clamping groove one 6, sealing groove one 7, sealing groove two 11, conical head 12, tube section one 13, tube section two 14, tube section three 15, sealing groove three 16, sealing groove four 17, sealing ring two 21, sealing assembly 22, sealing groove five 23, trapezoidal groove 24, positioning sealing groove one 25, positioning sealing groove two 26, sealing ring one 27. DETAILED DESCRIPTION

[0023] The utility model makes further illustration in connection with the drawings below.

[0024] As Figures 1 to 7 shown:

[0025] The utility model discloses a high pressure by the reliable sealing of natural gas exploitation, including the inside sealed fixed mounting of n seat 1 has n male head 2, n female head 3, to make n male head 2, n female head 3 butt joint sealing installation, the inside of n seat 1 is provided with the baffle 4 at n female head 3, the inside sealed screw thread installation of n seat 1 at the bottom of baffle 4, the top of n female head 3 is set as conical groove 5, the bottom of conical groove 5 is set as clamping groove one 6, the cross section of clamping groove one 6 is right angle groove, the bottom plane structure of clamping groove one 6 is set as sealing groove one 7, the side of clamping groove one 6 is set as sealing groove two 11, the middle surface of conical groove 5 is set as positioning sealing groove one 25, n male head 2 includes the conical head 12 of matching and fitting installation with conical groove 5, the upper portion of conical head 12 is set as tube section one 13, the top periphery of tube section one 13 and the bottom of baffle 4 abut, the top inner periphery of tube section one 13 is fixedly installed with tube section two 14, tube section two 14 sets up and stretches out n seat 1, the bottom of conical head 12 is set as tube section three 15, the bottom of tube section three 15 is set as sealing groove three 16, sealing groove three 16 and sealing groove one 7 are sealedly installed through sealing ring one 27, the outside side of tube section three 15 is set as sealing groove four 17, sealing groove four 17 and sealing groove two 11 are sealedly installed through sealing ring two 21, the middle surface of conical head 12 is set with positioning sealing groove two 26, positioning sealing groove one 25 and positioning sealing groove two 26 are sealedly installed through sealing assembly 22.

[0026] To solve the technical problem of complicated sealing installation and poor sealing performance in the prior art, the utility model adopts the structure that n male head 2 and n female head 3 are sealedly connected in a conical structure, and a three-stage sealing structure is used at the connection, specifically, the top of n female head 3 is set as conical groove 5, the bottom of conical groove 5 is set as clamping groove one 6, the cross section of clamping groove one 6 is right angle groove (as Figure 6), the bottom plane structure of the clamping groove one 6 is opened as a sealing groove one 7, the vertical surface of the clamping groove one 6 is opened as a sealing groove two 11, the bottom of the male head 2 is provided as a conical head 12 matched and installed with the conical groove 5, the bottom of the conical head 12 is provided as a cylinder tube part three 15, the bottom of the cylinder tube part three 15 is opened as a sealing groove three 16, the sealing groove three 16 and the sealing groove one 7 are sealed and installed through a sealing ring one 27, the outer side of the cylinder tube part three 15 is opened as a sealing groove four 17, the sealing groove four 17 and the sealing groove two 11 are sealed and installed through a sealing ring two 21, the middle surface of the conical head 12 is opened as a positioning sealing groove two 26, the positioning sealing groove one 25 and the positioning sealing groove two 26 are sealed and installed through a sealing assembly 22, through the three-stage sealing mode, the sealing property of the connection is improved, and the structure mode of convenient and fast installation is achieved.

[0027] The sealing rings used in the patent are preferably circular ring structures, and the material is preferably neoprene, which has the characteristics of wear resistance and abrasion resistance, increasing the durability and sealing property.

[0028] In at least one embodiment, in order to increase the sealing effect, the middle surface of the conical groove 5 is circumferentially opened as a positioning sealing groove one 25, the middle surface of the conical head 12 is opened as a positioning sealing groove two 26, the positioning sealing groove one 25 and the positioning sealing groove two 26 are sealed and installed through a sealing assembly 22, and the positioning sealing groove one 25 is provided as a circular arc sealing groove five 23, the positioning sealing groove two 26 is provided as a right trapezoidal trapezoidal groove 24, and the sealing groove and the trapezoidal groove 24 are sealed and installed through the sealing assembly 22.

[0029] In at least one embodiment, the sealing assembly 22 is matched with the shape structure of the sealing groove five 23 and the trapezoidal groove 24, specifically: the sealing assembly 22 is provided as a circular arc structure inside the positioning sealing groove one 25 and as a right trapezoidal structure inside the positioning sealing groove two 26, achieving the sealing installation between the positioning sealing groove one 25 and the positioning sealing groove two 26 through the sealing assembly 22.

[0030] In at least one embodiment, threads are opened inside the far sides of the male head 2 and the female head 3, achieving the sealing installation of the pipelines on both sides.

[0031] In at least one embodiment, in order to achieve the sealing abutment installation of the cylinder tube part one 13 of the male head 2 between the stop edge 4 and the top wall of the conical groove 5, the stop edge 4 and the top wall of the conical groove 5 are both provided as plane structures, the bottom of the cylinder tube part one 13 is abutted and installed with the top end surface of the conical groove 5, and the top of the cylinder tube part one 13 is abutted and installed with the bottom of the stop edge 4, achieving the stable clamping installation of the cylinder tube part one 13 and the plane structure mutual matched installation, achieving the sealing installation between the male head 2 and the female head 3.

[0032] The embodiment in the utility model only is used to the utility model for the description, does not constitute the limit of the scope of claims, and other substantially equivalent substitutions that the person skilled in the art can think of are all within the protection scope of the utility model.

Claims

1. A high-pressure natural gas production sealable vessel, characterized in that The application relates to a sealing seat (1) internally and sealingly fixedly provided with a male head (2) and a female head (3) to make the male head (2) and the female head (3) abut and sealingly installed, the sealing seat (1) is internally provided with a baffle (4), the female head (3) is sealingly screwed in the sealing seat (1) at the bottom of the baffle (4), the top of the female head (3) is provided with a conical groove (5), the bottom of the conical groove (5) is provided with a clamping groove (6), the cross section of the clamping groove (6) is in a right-angle groove shape, the bottom plane structure of the clamping groove (6) is provided with a sealing groove (7), the side vertical surface of the clamping groove (6) is provided with a sealing groove (11), the middle surface of the conical groove (5) is circumferentially provided with a positioning sealing groove (25), the male head (2) comprises a conical head (12) matched with the conical groove (5) and installed in close contact, the upper portion of the conical head (12) is provided with a cylinder tube part (13), the top periphery of the cylinder tube part (13) is in abutment with the bottom of the baffle (4), the top inner periphery of the cylinder tube part (13) is fixedly provided with a cylinder tube (14) which extends out of the sealing seat (1), the bottom of the conical head (12) is provided with a cylinder tube part (15), the bottom of the cylinder tube part (15) is provided with a sealing groove (16), the sealing groove (16) and the sealing groove (7) are sealingly installed through a sealing ring (27), the outer side of the cylinder tube part (15) is provided with a sealing groove (17), the sealing groove (17) and the sealing groove (11) are sealingly installed through a sealing ring (21), the middle surface of the conical head (12) is provided with a positioning sealing groove (26), the positioning sealing groove (25) and the positioning sealing groove (26) are sealingly installed through a sealing assembly (22).

2. A high-pressure gas extraction cylinder according to claim 1, characterized in that The positioning sealing groove (25) is provided as a circular-arc-shaped sealing groove (23), the positioning sealing groove (26) is provided as a right-angled trapezoidal groove (24), and the sealing groove and the trapezoidal groove (24) are sealingly installed through the sealing assembly (22).

3. A high-pressure gas extraction cylinder according to claim 2, characterized in that The sealing assembly (22) is provided in a structure matched with the shape structure of the sealing groove (23) and the trapezoidal groove (24).

4. The natural gas exploitation high-pressure vessel according to claim 1, wherein The male head (2) and the female head (3) are internally provided with threads on the sides away from each other.

5. The natural gas exploitation high-pressure vessel according to claim 1, wherein The bottom of the cylinder tube part (13) is in abutment with the top end surface of the conical groove (5), and the top of the cylinder tube part (13) is in abutment with the bottom of the baffle (4).

Images