A type of oil nozzle socket wrench

Abstract

This invention discloses a grease fitting socket wrench, characterized by comprising a socket body, inside which a central protective tube and a grease fitting connecting socket head are sequentially arranged axially, the central protective tube and the grease fitting connecting socket head being connected; the central protective tube is used to hold a grease fitting needle, and the grease fitting connecting socket head is used to connect to a grease fitting needle; a limiting body is provided at the end of the grease fitting needle, and when the grease fitting needle is inserted into the grease fitting through the end of the central protective tube, the limiting body can connect with the grease fitting needle. The grease fitting needle is inserted into the grease fitting through the central protective tube, and the limiting body mainly serves to hold the grease fitting needle in place. When the grease fitting needle needs to be replaced or repaired, the central protective tube can guide the grease fitting needle to accurately extend into the inner hole of the grease fitting needle, accurately achieving pressure release without the need for multiple attempts, resulting in high pressure release efficiency. With the cooperation of the limiting body, the grease fitting needle and the grease fitting needle are properly connected, preventing the grease fitting needle from falling off during removal.

Description

Technical Field

[0001] This invention belongs to the field of oil and gas development technology and relates to an oil nozzle socket wrench. Background Technology

[0002] In the oil and gas field production process, inspecting and replacing fixed nozzles is a routine and frequent operation. The original fixed nozzle outlet is installed horizontally and in reverse inside the nozzle sleeve. When it is necessary to adjust the production system, the nozzle is installed or removed by rotating the nozzle sleeve wrench in both directions using the meshing action between the inner hexagon of the sleeve head and the outer hexagon of the nozzle.

[0003] In recent years, with the rapid development of oil and gas exploration technology, high-pressure and ultra-high-pressure oil and gas wells have emerged in China. In order to ensure that the fixed nozzle will not fall off due to high pressure and corrosion of the thread, the installation method has been changed to install the fixed nozzle outlet in the nozzle sleeve in a positive and vertical direction, so that the nozzle sleeve and the nozzle can jointly bear the high pressure.

[0004] However, in current oilfield production, with the improvement of the process, the fixed nozzle sleeve and nozzle have been changed from horizontal installation to vertical installation. After the nozzle is removed by counterclockwise rotation, the removal of the nozzle is achieved entirely by the friction between the outer hexagonal head of the nozzle and the inner hexagonal head of the sleeve. The nozzle is very easy to fall off the sleeve.

[0005] Before disassembling the fixed oil nozzle, use a cleaning needle to clear the oil nozzle and remove residual pressure. Because of impurities such as sand, wax, and mercury at the oil nozzle inlet, the oil nozzle hole cannot be seen directly. Moreover, the diameter of the oil nozzle hole and the cleaning needle is small (usually 4mm-10mm), making it difficult to align the cleaning needle with the oil nozzle hole to release pressure. It takes multiple attempts to succeed, resulting in very low work efficiency.

[0006] Although there is pressure relief during operation, impurities such as sand, wax, mercury, and hydrogen sulfide generated during production, when forming blockages under high pressure, ultra-high pressure, and high temperature conditions, cannot be completely released. Directly using a plunger to release residual pressure inside the nozzle poses a safety hazard to operators, as their head, face, hands, and glasses may be damaged by residual pressure and toxic or harmful substances.

[0007] During the production process, the medium produced from the well along with oil and gas contains toxic and harmful substances such as sand, wax, mercury, and hydrogen sulfide. Frequent manual removal of fixed oil nozzles may pose a risk of chronic or acute poisoning. Summary of the Invention

[0008] The purpose of this invention is to solve the problems in existing technologies where oil nozzles easily detach from the sleeve, making it difficult to accurately and quickly insert the purging needle into the nozzle hole during pressure relief, requiring multiple attempts, resulting in low pressure relief efficiency and the risk of gas harming the human body during the pressure relief process. This invention provides an oil nozzle sleeve wrench that accurately relieves pressure without requiring multiple attempts or visual inspection of hole alignment, achieving high pressure relief efficiency. When the purging needle is inserted into the oil nozzle for unblocking, residual pressure is discharged through the central protective tube, securing the venting channel and preventing harmful gases from directly contacting the human body, thus avoiding direct harm. Furthermore, this device avoids direct contact with the oil nozzle during disassembly, reducing the risk of harmful substances harming the human body.

[0009] To achieve the above objectives, the present invention employs the following technical solution:

[0010] A grease fitting socket wrench includes a socket body, wherein a central protective tube and a grease fitting connecting socket head are sequentially and axially arranged inside the socket body, and the central protective tube and the grease fitting connecting socket head are connected.

[0011] The central protective tube is used to hold the needle, and the oil nozzle connecting sleeve head is used to connect the oil nozzle;

[0012] The end of the needle is provided with a limiting body, which can be connected to the nozzle when the needle is inserted into the nozzle through the central protective tube.

[0013] A further improvement of the present invention is that:

[0014] The limiting body includes a card, the two ends of which protrude from the outer side wall of the needle;

[0015] The needle has a through hole, through which the card passes, and the card can swing left and right along the through hole.

[0016] The card and the needle are connected by a fixing pin.

[0017] A limiting rod is provided at the end of the needle away from the limiting body, and the length of the limiting rod is greater than the diameter of the central protective tube.

[0018] The sleeve body is also provided with a vent hole, one end of which is connected to the oil nozzle and the sleeve head, and the other end is connected to the outside of the sleeve body.

[0019] There are two ventilation holes.

[0020] The two vents are symmetrically opened on both sides of the central protective tube.

[0021] The end of the vent hole away from the oil nozzle connecting sleeve head is connected to the protective tube support;

[0022] The protective tube support is connected to the outer end of the sleeve body.

[0023] It also includes a fixing pin hole, which sequentially passes through the sleeve body, the protective tube support, and the central protective tube.

[0024] The sleeve body is provided with a sleeve lever at the end.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] This invention discloses a nozzle socket wrench. A needle is inserted into the nozzle through a central protective tube. A limiting body is used to hold the nozzle in place. When the nozzle needs replacement or repair, the central protective tube guides the needle to accurately insert into the nozzle's inner hole, precisely releasing pressure without requiring multiple attempts or visual inspection of the hole alignment. This results in high pressure release efficiency. The limiting body ensures a secure connection between the needle and the nozzle, preventing the nozzle from falling out during removal. When the needle is inserted into the nozzle for unblocking, residual pressure is released through the central protective tube, securing the venting channel and preventing direct contact between harmful gases and the human body, thus avoiding direct harm. Furthermore, using this device to disassemble the nozzle avoids direct contact, reducing the risk of harmful substances posing a risk to the human body.

[0027] Furthermore, in this invention, the card and the needle are rotatably connected. During insertion, the needle is swayed left and right, causing the card to rotate and tilt, which facilitates the card's locking and engagement with the nozzle.

[0028] Furthermore, in this invention, the length of the limiting rod is greater than the diameter of the central protective tube to prevent the needle from falling off. After the operation is completed, the needle can be pulled out by lifting the limiting rod, and the tool can be cleaned.

[0029] Furthermore, in this invention, a vent hole is provided inside the sleeve, and the vent hole is connected to the oil nozzle sleeve head to ensure that it helps to quickly depressurize the inside. Attached Figure Description

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 This is a schematic diagram of the sleeve body structure of the present invention;

[0032] Figure 2 This is a schematic diagram of the needle structure of the present invention.

[0033] Wherein: 1-Oil nozzle connecting sleeve head; 2-Vent hole; 3-Protective tube support; 4-Fixing pin hole; 5-Sleeve lever; 6-Center protective tube; 7-Sleeve body; 8-Limiting rod; 9-Fixing pin; 10-Card; 11-Penetrating needle. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments.

[0035] The components of the embodiments of the invention described and illustrated in the accompanying drawings can typically be arranged and designed in a variety of different configurations.

[0036] Therefore, the following detailed description of embodiments of the 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.

[0037] Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this invention.

[0038] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0039] In the description of the embodiments of the present invention, it should be noted that if terms such as "upper," "lower," "horizontal," or "inner" 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 product of the invention is in use, they are only for the convenience of describing the present invention 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, and therefore should not be construed as a limitation of the present invention. Furthermore, terms such as "first" and "second" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0040] Furthermore, the use of the term "horizontal" does not imply that the component must be absolutely horizontal, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0041] In the description of the embodiments of the present invention, 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 the present invention according to the specific circumstances.

[0042] The present invention will now be described in further detail with reference to the accompanying drawings:

[0043] See Figure 1 This invention discloses a grease nipple socket wrench. This device can quickly and safely insert a needle into the inner hole of the grease nipple and release residual pressure through a fixed venting channel. The needle is used to fix the grease nipple and the socket wrench together, and the fixed grease nipple can be removed by lifting it up.

[0044] include:

[0045] 1. Oil nozzle connecting sleeve head; 2. Vent hole; 3. Protective tube support; 4. Fixing pin hole; 5. Sleeve lever; 6. Central protective tube; 7. Sleeve body; 8. Limiting rod; 9. Fixing pin; 10. Card and 11. Purifying needle.

[0046] Example 1

[0047] This invention discloses an oil nozzle socket wrench, comprising a socket body 7. A central protective tube 6 and an oil nozzle connecting socket head 1 are sequentially and axially arranged inside the socket body 7, and the central protective tube 6 and the oil nozzle connecting socket head 1 are connected. The central protective tube 6 is used to house a needle 11, and the oil nozzle connecting socket head 1 is used to connect to an oil nozzle. A limiting body is provided at the end of the needle 11. When the needle 11 extends into the oil nozzle through the end of the central protective tube 6, the limiting body can connect with the oil nozzle. When the needle 11 is inserted into the interior of the central protective tube 6, a gap exists between the inner wall of the central protective tube 6 and the needle 11, and residual pressure is discharged through the gap between the inner wall of the central protective tube 6 and the needle 11.

[0048] In this embodiment, during operation, the central protective tube 6 is connected to the oil nozzle of the oil nozzle connecting sleeve head 1, which can guide the needle 11 to accurately enter the inner hole of the oil nozzle without needing to press multiple times, resulting in high pressure relief efficiency. When the oil nozzle needs to be replaced or repaired, the needle and oil nozzle are connected in cooperation with the limiting body, preventing the oil nozzle from falling off during the removal process.

[0049] In this embodiment, the harmful gases inside will not come into direct contact with the human body, thus avoiding direct harm to the human body. Furthermore, by using this device to disassemble the oil nozzle, direct contact with the oil nozzle is avoided, reducing the harm of harmful substances to the human body.

[0050] Example 2

[0051] This invention discloses an oil nozzle socket wrench, comprising a socket body 7. A central protective tube 6 and an oil nozzle connecting socket head 1 are sequentially arranged axially inside the socket body 7, and the central protective tube 6 and the oil nozzle connecting socket head 1 are connected. The central protective tube 6 is used to house a needle 11, and the oil nozzle connecting socket head 1 is used to connect to an oil nozzle. A limiting body is provided at the end of the needle 11. When the needle 11 extends into the oil nozzle through the end of the central protective tube 6, the limiting body can connect with the oil nozzle. The limiting body includes a clip 10, the two ends of which protrude from the outer wall of the needle 11. A through hole is formed on the needle 11, and the clip 10 passes through the through hole, allowing the clip 10 to swing left and right along the through hole.

[0052] Furthermore, in this embodiment, the body of the needle 11 is perpendicularly distributed to the card 10, and there is a gap between the card 10 and the through hole. The card 10 can rotate and swing left and right along the through hole. The two ends of the card 10 protruding from the outer wall of the needle 11 have different lengths. Under the action of gravity, gently shaking the needle will produce a non-perpendicular displacement, and the card 10 can be inserted into the nozzle. Then, the needle 11 is lifted vertically upward, and the card can lock the nozzle. Tighten the retainer, turn the socket wrench counterclockwise, and remove the nozzle to ensure that the nozzle will not fall off.

[0053] Example 3

[0054] This invention discloses an oil nozzle socket wrench, comprising a socket body 7. A central protective tube 6 and an oil nozzle connecting socket head 1 are sequentially arranged axially inside the socket body 7, and the central protective tube 6 and the oil nozzle connecting socket head 1 are connected. The central protective tube 6 is used to house a needle 11, and the oil nozzle connecting socket head 1 is used to connect to an oil nozzle. A limiting body is provided at the end of the needle 11. When the needle 11 extends into the oil nozzle through the end of the central protective tube 6, the limiting body can connect with the oil nozzle. The limiting body includes a clip 10, the two ends of which protrude from the outer wall of the needle 11. A through hole is formed on the needle 11, through which the clip 10 passes, allowing it to swing left and right along the through hole. The clip 10 passes through the needle 11, and the clip 10 and the needle 11 are connected by a fixing pin 9. The fixing pin 9 sequentially passes through the clip 10 and the needle 11.

[0055] Example 4

[0056] This invention discloses a grease fitting socket wrench, comprising a socket body 7. A central protective tube 6 and a grease fitting connecting socket head 1 are sequentially and axially arranged inside the socket body 7, and the central protective tube 6 and the grease fitting connecting socket head 1 are connected. The central protective tube 6 is used to house a needle 11, and the grease fitting connecting socket head 1 is used to connect to a grease fitting. A limiting body is provided at the end of the needle 11, allowing it to connect with the grease fitting when the needle 11 extends into the grease fitting through the end of the central protective tube 6. A limiting rod 8 is provided at the end of the needle 11 away from the limiting body, and the length of the limiting rod 8 is greater than the diameter of the central protective tube 6.

[0057] In this embodiment, the limiting rod 8 forms the lever arm of the needle 11. When the needle 11 is in use, the limiting rod 8 will be locked outside the port of the central protective tube 6 to prevent the needle from falling into the oil nozzle sleeve or downstream pipeline due to operational errors when it is inserted. After the operation is completed, the needle can be pulled out by lifting the lever arm to clean the tool.

[0058] Example 5

[0059] This invention discloses an oil nozzle socket wrench, comprising a socket body 7. A central protective tube 6 and an oil nozzle connecting socket head 1 are sequentially arranged axially inside the socket body 7, and the central protective tube 6 and the oil nozzle connecting socket head 1 are connected. The central protective tube 6 is used to house a needle 11, and the oil nozzle connecting socket head 1 is used to connect to an oil nozzle. A limiting body is provided at the end of the needle 11. When the needle 11 extends into the oil nozzle through the end of the central protective tube 6, the limiting body can connect to the oil nozzle. A vent hole 2 is also provided inside the socket body 7, one end of which is connected to the oil nozzle connecting socket head 1, and the other end is connected to the outside of the socket body 7.

[0060] In this embodiment, the vent can help the internal gas to escape and accelerate the internal depressurization.

[0061] Example 6

[0062] This invention discloses an oil nozzle socket wrench, comprising a socket body 7. A central protective tube 6 and an oil nozzle connecting socket head 1 are sequentially arranged axially inside the socket body 7, and the central protective tube 6 and the oil nozzle connecting socket head 1 are connected. The central protective tube 6 is used to house a needle 11, and the oil nozzle connecting socket head 1 is used to connect to an oil nozzle. A limiting body is provided at the end of the needle 11. When the needle 11 extends into the oil nozzle through the end of the central protective tube 6, the limiting body can connect with the oil nozzle. A vent hole 2 is also provided inside the socket body 7. One end of the vent hole 2 is connected to the oil nozzle connecting socket head 1, and the other end is connected to the outside of the socket body 7. Two vent holes 2 are provided.

[0063] Example 7

[0064] This invention discloses an oil nozzle socket wrench, comprising a socket body 7. A central protective tube 6 and an oil nozzle connecting socket head 1 are sequentially arranged axially inside the socket body 7, and the central protective tube 6 and the oil nozzle connecting socket head 1 are connected. The central protective tube 6 is used to house a needle 11, and the oil nozzle connecting socket head 1 is used to connect to an oil nozzle. A limiting body is provided at the end of the needle 11. When the needle 11 extends into the oil nozzle through the end of the central protective tube 6, the limiting body can connect with the oil nozzle. A vent hole 2 is also provided inside the socket body 7. One end of the vent hole 2 is connected to the oil nozzle connecting socket head 1, and the other end is connected to the outside of the socket body 7. Two vent holes 2 are provided. The end of the vent hole 2 away from the oil nozzle connecting socket head 1 is connected to a protective tube support 3; the protective tube support 3 is connected to the outer end of the socket body 7.

[0065] In this embodiment, the protective tube support 3 provides stable support for the central protective tube 6, ensuring the stability of the fixed protective tube 6. The protective tube support 3 is welded to both sides of the central protective tube 6.

[0066] Example 8

[0067] This invention discloses an oil nozzle socket wrench, comprising a socket body 7. A central protective tube 6 and an oil nozzle connecting socket head 1 are sequentially arranged axially inside the socket body 7, and the central protective tube 6 and the oil nozzle connecting socket head 1 are connected. The central protective tube 6 is used to house a needle 11, and the oil nozzle connecting socket head 1 is used to connect to an oil nozzle. A limiting body is provided at the end of the needle 11. When the needle 11 extends into the oil nozzle through the end of the central protective tube 6, the limiting body can connect to the oil nozzle. A vent hole 2 is also provided inside the socket body 7, one end of which is connected to the oil nozzle connecting socket head 1, and the other end is connected to the outside of the socket body 7. Two vent holes 2 are provided. The end of the vent hole 2 away from the oil nozzle and connected to the sleeve head 1 is connected to the protective tube support 3. The protective tube support 3 is connected to the outer end of the sleeve body 7 and also includes a fixing pin hole 4. The fixing pin hole 4 passes through the sleeve body 7, the protective tube support 3 and the central protective tube 6 in sequence. When it is necessary to fix the internal needle 11, a fixing pin is provided in the fixing pin hole 4. The end of the fixing pin abuts against the needle 11 to further realize the locking and fixing of the needle 11.

[0068] Example 9

[0069] This invention discloses an oil nozzle socket wrench, comprising a socket body 7, wherein a central protective tube 6 and an oil nozzle connecting socket head 1 are sequentially arranged axially inside the socket body 7, and the central protective tube 6 and the oil nozzle connecting socket head 1 are connected; the central protective tube 6 is used to place a needle 11, and the oil nozzle connecting socket head 1 is used to connect to an oil nozzle; a limiting body is provided at the end of the needle 11, and when the needle 11 extends into the oil nozzle through the end of the central protective tube 6, the limiting body can connect with the oil nozzle; a socket lever 5 is provided at the port of the socket body 7.

[0070] Working principle of this invention embodiment:

[0071] In this embodiment of the invention, the oil nozzle connecting sleeve head has an internal hexagonal structure. When the external hexagonal of the oil nozzle meshes with the internal hexagonal of the sleeve head, the needle, under the positioning guidance of the central protective tube 6 of the sleeve, remains concentric with the sleeve body 7 and the inner hole of the oil nozzle. The needle 11 can smoothly enter the inner hole of the oil nozzle. At this time, the needle 11 plays the role of unblocking the inner hole of the oil nozzle. The residual pressure is released by using the gap between the needle 11 and the central protective tube 6 and the vent hole. The central protective tube 6 serves as the channel for the needle 11 to enter the inner hole of the oil nozzle and the residual pressure to be released.

[0072] When entering, after the card at the front end of the needle 11 extends out of the nozzle hole, due to the card's 360° rotation and asymmetrical design, the needle 11 is gently shaken under the action of gravity, causing the needle 11 to shift at a non-perpendicular angle, allowing the card to smoothly enter the nozzle. Once the card is inside the nozzle, lifting the needle 11 will lock the nozzle in place. Tighten the retainer, turn the socket wrench counterclockwise, and remove the nozzle, ensuring that the nozzle will not fall off.

[0073] The device disclosed in this invention allows the pressure-relief needle to quickly enter the inner hole of the oil nozzle under the action of the guide tube. The oil nozzle and the socket wrench are integrated using a clip and a retainer, achieving rapid alignment and guiding the pressure-relief needle into the inner hole of the oil nozzle to release residual pressure. The protective tube and vent reduce the residual pressure release area and fix the release channel. The clip secures the oil nozzle, solving the problem of oil nozzle detachment due to gravity. This reduces and eliminates the harm of toxic and harmful substances to operators, improves work efficiency, and achieves the goal of safe production.

[0074] In this embodiment of the invention, when applied to the disassembly or maintenance of a horizontally installed nozzle, the end of the needle 11 may not be fitted with a limiting body; when applied to a vertically installed nozzle, the end of the needle 11 is fitted with a limiting body.

[0075] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A type of oil nozzle socket wrench, characterized in that, Includes a sleeve body (7), wherein a central protective tube (6) and an oil nozzle connecting sleeve head (1) are sequentially provided axially inside the sleeve body (7), and the central protective tube (6) and the oil nozzle connecting sleeve head (1) are connected. The central protective tube (6) is used to place the needle (11), and the oil nozzle connecting sleeve head (1) is used to connect the oil nozzle; The end of the needle (11) is provided with a limiting body. When the needle (11) is inserted into the oil nozzle through the central protective tube (6), the limiting body can be connected to the oil nozzle. The limiting body includes a card (10), the two ends of which protrude from the outer sidewall of the needle (11); The needle (11) has a through hole, through which the card (10) passes, and the card (10) can swing left and right along the through hole.

2. The oil nozzle socket wrench according to claim 1, characterized in that, The card (10) and the needle (11) are connected by a fixing pin (9).

3. The oil nozzle socket wrench according to claim 1, characterized in that, The end of the needle (11) away from the limiting body is provided with a limiting rod (8), the length of which is greater than the diameter of the central protective tube (6).

4. The oil nozzle socket wrench according to claim 1, characterized in that, The sleeve body (7) is also provided with a vent hole (2), one end of which is connected to the oil nozzle and the sleeve head (1), and the other end is connected to the outside of the sleeve body (7).

5. A grease fitting socket wrench according to claim 4, characterized in that, The ventilation hole (2) has two openings.

6. A grease fitting socket wrench according to claim 5, characterized in that, The two ventilation holes (2) are symmetrically opened on both sides of the central protective tube (6).

7. A grease fitting socket wrench according to claim 4, characterized in that, The end of the vent (2) away from the oil nozzle connecting sleeve head (1) is connected to the protective tube support (3); The protective tube support (3) is connected to the outer end of the sleeve body (7).

8. A grease fitting socket wrench according to claim 7, characterized in that, It also includes a fixing pin hole (4), which passes through the sleeve body (7), the protective tube support (3) and the central protective tube (6) in sequence.

9. A grease fitting socket wrench according to claim 1, characterized in that, The sleeve body (7) is provided with a sleeve lever (5) at its port.

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