Petroleum manifold connecting structure and manifold group

Abstract

The utility model discloses a petroleum manifold connecting structure and a manifold set. The petroleum manifold connecting structure comprises a left connector, a right connector, a clamping groove, a petroleum pipe, a fixing hole, a hexagon nut, a fixing protruding block, a fixing groove, a small-caliber sealing ring, a large-caliber sealing ring, a lantern ring and a nut. A left joint and a right joint are arranged on the outer wall and the inner wall of the petroleum pipe, and the petroleum pipe is embedded into clamping grooves of the left joint and the right joint to be fixed; the edge of the right side face of the left connector and the edge of the left section of the right connector are provided with a plurality of fixing protruding blocks and L-shaped fixing grooves respectively, the fixing protruding blocks are embedded into the fixing grooves to be locked, the left connector is embedded into the right connector to achieve firm connection, and then the left connector and the right connector are connected through hexagon nuts to be reinforced. According to the connecting mechanism, flowing of petroleum is not affected, the connecting mechanism is not prone to being damaged and destroyed, all connection is detachable, and disassembly and replacement are convenient.

Description

Technical Field

[0001] This utility model relates to the field of oil drilling equipment technology, specifically to an oil manifold connection structure and manifold assembly. Background Technology

[0002] A manifold is an assembly of multiple pipes that converge, and it is an important component of oil extraction equipment. Connecting the pipes within a manifold is a crucial aspect of its assembly. Currently, oil manifold joints are typically connected to the pipes via flanges or direct welding for oil transportation.

[0003] For example, Chinese invention patent CN220979404U, published on May 17, 2024, discloses an oil manifold connector and wellhead manifold, including a connecting pipe. Two sets of bosses are symmetrically arranged inside the connecting pipe. Pipes are inserted into both ends of the connecting pipe, and a sealing ring is provided between the pipe and the boss. A limit rod is elastically provided on the side wall of the connecting pipe, limiting the pipe. A collar is movably sleeved on the outside of the connecting pipe, limiting the limit rod. The beneficial effect is that the oil manifold connector proposed by this utility model has a limit rod and a collar. Rotating the collar can limit the limit rod, thereby limiting the pipe and fixing the pipe to the connecting pipe, facilitating pipe disassembly.

[0004] As can be seen from the above patents, the oil manifold is located inside and in the center of the inner wall of the oil pipeline. When in use, the oil manifold affects the flow of oil and is also subject to the impact and corrosion of oil, making it susceptible to damage and destruction. Therefore, the oil manifold needs to be redesigned to improve it. Summary of the Invention

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide an oil manifold connection structure and manifold assembly.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An oil manifold connection structure and manifold assembly includes a left connector, a right connector, and an oil pipe. The left side of the left connector and the right side of the right connector are respectively provided with grooves, and the oil pipe is embedded in the grooves, with the outer diameter of the oil pipe equal to the inner diameter of the groove. The right side of the left connector is embedded in the left cross-section of the right connector, with the outer diameter of the right side of the left connector equal to the inner diameter of the left cross-section of the right connector. A plurality of fixing holes are respectively provided on the flange faces of the left and right connectors, with internal threads in the fixing holes, through which a hexagonal nut penetrates from the fixing holes on the flange face of the left connector to the bottom of the fixing holes on the flange face of the right connector.

[0008] Preferably, a plurality of fixed protrusions are provided on the right side edge of the left connector, the fixed protrusions being square blocks, and a plurality of fixed grooves are provided on the left cross-sectional edge of the right connector. The number, width, and height of the fixed protrusions and the fixed grooves are equal and their positions correspond. The fixed protrusions and the fixed grooves are evenly and symmetrically distributed at equal intervals and adjacent angles on a plane perpendicular to the central axis of the oil pipe, with the central axis of the oil pipe as the center.

[0009] Preferably, the fixing groove is an "L"-shaped groove. The fixing groove first extends laterally to the right from the left cross-sectional edge of the right connector along the central axis of the oil pipe, that is, an "L"-shaped "I" groove. The length of the lateral extension is the length from the right side edge of the left connector to the flange surface of the left connector. The fixing groove then extends vertically along the tangent direction of the circumference of the left cross-section of the right connector, that is, an "L"-shaped "_" groove. The length of the vertical extension is equal to the width of the fixing protrusion.

[0010] Preferably, a plurality of small-diameter slots and large-diameter slots are respectively provided on the inner wall of the slot near and away from the central axis of the oil pipe. Small-diameter sealing rings and large-diameter sealing rings are respectively provided in the small-diameter slots and large-diameter slots. The height of the small-diameter slots and large-diameter slots is equal to the thickness of the small-diameter sealing rings and large-diameter sealing rings.

[0011] Preferably, collars are provided at the junctions of the left side of the left connector and the right side of the right connector with the oil pipe. The collars are fitted onto the outer wall of the oil pipe and are connected to the left side of the left connector and the right side of the right connector by nuts.

[0012] Preferably, the left connector, right connector, slot, fixing hole, hexagonal nut, fixing protrusion, fixing groove, small diameter sealing ring, large diameter sealing ring, collar and nut are all symmetrically arranged with the central axis of the oil pipe as the center.

[0013] The beneficial effects of this utility model are:

[0014] Left and right connectors are installed on the outer and inner walls of the oil pipe, respectively. The oil pipe is then fixed by embedding it into the grooves of the left and right connectors. Several fixing protrusions and "L"-shaped fixing grooves are respectively installed on the right side edge of the left connector and the left cross-section edge of the right connector. The fixing protrusions are embedded into the fixing grooves to lock them in place, ensuring a secure connection between the left and right connectors. Hexagonal nuts are then used to connect the left and right connectors for reinforcement. The left and right connectors, which are positioned close to the inner wall of the oil pipe and extend outwards, do not impede the flow of oil and are less susceptible to damage. Attached Figure Description

[0015] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0016] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the conditions under which the present invention can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 for Figure 1 A cross-sectional view of the structure at point A in the middle;

[0019] Figure 3 for Figure 1 A cross-sectional schematic diagram of the structure at point B in the middle section;

[0020] Figure 1 As shown: 1. Left connector, 2. Right connector, 3. Slot, 31. Small diameter slot, 32. Large diameter slot, 4. Oil pipe, 5. Fixing hole, 6. Hex nut, 7. Fixing protrusion, 8. Fixing groove, 9. Small diameter sealing ring, 10. Large diameter sealing ring, 11. Collar, 12. Nut.

[0021] Figure 2 As shown: 1. Left connector, 5. Fixing hole, 7. Fixing protrusion;

[0022] Figure 3 As shown: 2, right connector; 5, fixing hole; 8, fixing groove. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0025] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0026] It should be noted that similar labels and letters are likely to represent similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] Reference Figure 1-3 The present invention discloses an oil manifold connection structure and manifold assembly, including a left connector 1, a right connector 2, a slot 3, a small diameter slot 31, a large diameter slot 32, an oil pipe 4, a fixing hole 5, a hexagonal nut 6, a fixing protrusion 7, a fixing groove 8, a small diameter sealing ring 9, a large diameter sealing ring 10, a collar 11, and a nut 12.

[0030] Left connector 1 and right connector 2 are respectively connected to oil pipe 4. A groove 3 is provided on the left side of left connector 1 and the right side of right connector 2. Since the outer diameter of oil pipe 4 and the inner diameter of groove 3 are equal, oil pipe 4 is embedded in groove 3 and fixed therein. A collar 11 is provided at the junction of the left side of left connector 1 and the right side of right connector 2 with oil pipe 4. The collar 11 is fitted onto the outer wall of oil pipe 4, fixing the collar 11 to oil pipe 4. Nuts 12 connect the collar 11 to the left side of left connector 1 and the right side of right connector 2, respectively, thus fixing the collar 11 to the left side of left connector 1 and the right side of right connector 2. Therefore, the collar 11 fixes the left side of left connector 1 and the right side of right connector 2 to oil pipe 4.

[0031] Since the outer diameter of the right side face of the left connector 1 is equal to the inner diameter of the left cross section of the right connector 2, the right side face of the left connector 1 is fixed inside the left cross section of the right connector 2 after being embedded in it. Several fixing holes 5 are respectively provided on the flange face of the left connector 1 and the flange face of the right connector 2. The internal thread of the fixing hole 5 is screwed into the fixing hole 5 by the hexagonal nut 6, which penetrates the flange face of the left connector 1 to the bottom of the fixing hole 5 on the flange face of the right connector 2, thereby reinforcing the connection between the left connector 1 and the right connector 2.

[0032] In an optional embodiment, a plurality of fixing protrusions 7 are provided on the right side edge of the left connector 1, preferably square blocks, and a plurality of fixing grooves 8 are provided on the left cross-section edge of the right connector 2. The fixing protrusions 7 and fixing grooves 8 are matched to lock the right side of the left connector 1 into the left cross-section of the right connector 2. The number, width, and height of the fixing protrusions 7 and fixing grooves 8 are equal and their positions are corresponding to ensure that the fixing protrusions 7 can be embedded in the fixing grooves 8. The fixing protrusions 7 and fixing grooves 8 are evenly and symmetrically distributed at equal intervals and adjacent angles on a plane perpendicular to the central axis of the oil pipe 4, with the central axis of the oil pipe 4 as the center, to ensure the symmetry and balance of the structure.

[0033] In an optional embodiment, the fixing groove 8 is an "L"-shaped groove. The fixing groove 8 first extends laterally to the right from the left cross-section edge of the right connector 2 along the central axis of the oil pipe 4, forming an "L"-shaped "I" groove. This allows the fixing protrusion 7 to be inserted laterally along the fixing groove 8, while simultaneously allowing the right side of the left connector 1 to be inserted into the left cross-section of the right connector 2. The length of the lateral extension is the length from the edge of the right side of the left connector 1 to the flange face of the left connector 1. This ensures that after the right side of the left connector 1 is fully inserted into the left cross-section of the right connector 2, the flange face of the left connector 1 can be tightly fitted to the flange face of the right connector 2. The fixing groove 8 then extends vertically along the tangent direction of the circumference of the left cross-section of the right connector 2, forming an "L"-shaped "_" groove. The length of the vertical extension is equal to the width of the fixing protrusion 7, ensuring that the fixing protrusion 7 is locked into the fixing groove 8. This also ensures that the right side of the left connector 1 is firmly connected and locked into the left cross-section of the right connector 2.

[0034] In an optional embodiment, several small-diameter slots 31 and large-diameter slots 32 are respectively provided on the inner wall of the slot 3 near and away from the central axis of the oil pipe 4. The small-diameter slots 31 and large-diameter slots 32 are used to place small-diameter sealing rings 9 and large-diameter sealing rings 10, respectively. The small-diameter sealing rings 9 and large-diameter sealing rings 10 seal the oil pipe 4 and the left connector 1 and the oil pipe 4 and the right connector 2 in layers. The height of the small-diameter slots 31 and large-diameter slots 32 is equal to the thickness of the small-diameter sealing rings 9 and large-diameter sealing rings 10 to ensure the sealing effect.

[0035] In an optional embodiment, the left connector 1, right connector 2, slot 3, fixing hole 5, hexagonal nut 6, fixing protrusion 7, fixing groove 8, small diameter sealing ring 9, and large diameter sealing ring 10 are all symmetrically arranged with the central axis of the oil pipe 4 as the center, so as to form a symmetrical and balanced structure.

[0036] The installation process for this application is as follows:

[0037] Before using this application, installation is required. First, place the small-diameter sealing ring 9 and the large-diameter sealing ring 10 into the small-diameter slot 31 and the large-diameter slot 32 respectively. Then, insert the oil pipe 4 into the slots 3 on the left side of the left connector 1 and the right side of the right connector 2 respectively. Next, put the collar 11 on the outer wall of the oil pipe 4 and fix the collar 11 to the left side of the left connector 1 and the right side of the right connector 2 respectively with the nut 12, so that the oil pipe 4 is fixedly connected to the left side of the left connector 1 and the right side of the right connector 2 respectively. Then, the left connector... Align the fixing protrusion 7 on the right side with the fixing groove 8 on the left side of the right connector 2. First, horizontally insert it into the bottom of the "I" groove of the "L" shaped fixing groove 8. Then rotate the left connector 1 so that the fixing protrusion 7 is inserted into the "_" groove of the "L" shaped fixing groove 8, locking the fixing protrusion 7 in the fixing groove 8. At the same time, the right side of the left connector 1 and the left side of the right connector 2 are fixed. Then, use hexagonal nuts 6 to pass through the fixing holes 5 on the flange face of the left connector 1 and the right connector 2 respectively to reinforce the connection between the left connector 1 and the right connector 2.

[0038] Of course, the embodiments described in this specific implementation are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A petroleum manifold connection structure and manifold set, comprising a left joint (1), a right joint (2) and a petroleum pipe (4), characterized in that: The left side surface of the left joint (1) and the right side surface of the right joint (2) are respectively provided with clamping grooves (3), and the oil pipe (4) is embedded in the clamping grooves (3), the outer diameter of the oil pipe (4) is equal to the inner diameter of the clamping grooves (3); the right side surface of the left joint (1) is embedded in the left section surface of the right joint (2), the outer diameter of the right side surface of the left joint (1) is equal to the inner diameter of the left section surface of the right joint (2); a plurality of fixing holes (5) are respectively arranged on the flange surfaces of the left joint (1) and the right joint (2), the fixing holes (5) are provided with internal threads, and the hexagonal nuts (6) penetrate the fixing holes (5) on the flange surfaces of the left joint (1) and the right joint (2) to the bottoms of the fixing holes (5) on the flange surfaces of the right joint (2).

2. A petroleum manifold connection structure and manifold set according to claim 1, characterized in that: A plurality of fixing protrusions (7) are arranged on the edge of the right side surface of the left joint (1), the fixing protrusions (7) are square blocks, a plurality of fixing grooves (8) are arranged on the edge of the left section surface of the right joint (2), the number, width and height of the fixing protrusions (7) and the fixing grooves (8) are equal and the positions correspond, and the fixing protrusions (7) and the fixing grooves (8) are uniformly and symmetrically arranged at equal intervals and adjacent angles on the plane perpendicular to the central axis of the oil pipe (4) with the central axis of the oil pipe (4) as the center.

3. A petroleum manifold connection structure and manifold set according to claim 2, characterized in that: The fixing grooves (8) are "L" type grooves, the fixing grooves (8) first extend rightward along the central axis of the oil pipe (4) from the edge of the left section surface of the right joint (2), that is, the "I" groove of the "L" type, the length of the horizontal extension is equal to the length from the edge of the right side surface of the left joint (1) to the flange surface of the left joint (1); and then the fixing grooves (8) vertically extend along the tangent direction of the circumference of the left section surface of the right joint (2), that is, the "--" groove of the "L" type, and the length of the vertical extension is equal to the width of the fixing protrusions (7).

4. A petroleum manifold connection structure and manifold set according to claim 3, characterized in that: Small-diameter clamping grooves (31) and large-diameter clamping grooves (32) are respectively arranged on the inner walls of the clamping grooves (3) close to and away from the central axis of the oil pipe (4), small-diameter sealing rings (9) and large-diameter sealing rings (10) are respectively arranged in the small-diameter clamping grooves (31) and the large-diameter clamping grooves (32), and the height of the small-diameter clamping grooves (31) and the large-diameter clamping grooves (32) is equal to the thickness of the small-diameter sealing rings (9) and the large-diameter sealing rings (10).

5. A petroleum manifold connection structure and manifold set according to claim 4, wherein: A plurality of fixing protrusions (7) are arranged on the edge of the right side surface of the left joint (1), the fixing protrusions (7) are square blocks, a plurality of fixing grooves (8) are arranged on the edge of the left section surface of the right joint (2), the number, width and height of the fixing protrusions (7) and the fixing grooves (8) are equal and the positions correspond, and the fixing protrusions (7) and the fixing grooves (8) are uniformly and symmetrically arranged at equal intervals and adjacent angles on the plane perpendicular to the central axis of the oil pipe (4) with the central axis of the oil pipe (4) as the center.

6. A petroleum manifold connection structure and manifold set according to claim 5, characterized in that: The left joint (1), the right joint (2), the clamping grooves (3), the fixing holes (5), the hexagonal nuts (6), the fixing protrusions (7), the fixing grooves (8), the small-diameter sealing rings (9), the large-diameter sealing rings (10), the sleeves (11) and the nuts (12) are symmetrically arranged with the central axis of the oil pipe (4) as the center.

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