Digital well mouth anti-disassembly and anti-theft oil plug

Abstract

The utility model provides a digital well mouth anti-disassembly and anti-theft oil plug. The digital well mouth anti-disassembly and anti-theft oil plug comprises a main shell, a coded lock mechanism and an installation wrench. A mounting groove is formed in the inner side of the main shell, and threads are formed in the outer side of the main shell; a first clamping groove is formed in the side wall of the mounting groove, and a second clamping groove is formed in the lower end of the mounting groove; the coded lock mechanism is arranged in the main shell; wherein the mounting wrench is used for mounting the main shell on an equipment pipe orifice through the mounting groove; the coded lock mechanism is arranged in the mounting groove to seal the mounting groove, and the coded lock mechanism cannot be opened under the condition that a password is not known, so that the main shell cannot be removed, and the problem that a pipeline plug of oil exploitation equipment in the prior art is easy to detach and steal is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil exploitation, in particular to a digital wellhead anti-dismantling and anti-theft oil plug. Background Art

[0002] In the petrochemical industry, since most of the mining operations are located in the wild and the geographical environment is relatively poor, pipelines and equipment are often unattended. Ordinary pipeline plugs and other components are prone to loss. There are even cases where criminals steal crude oil by removing the plugs, causing great economic losses to mining operations and crude oil theft prevention. Utility Model Content

[0003] The main purpose of the utility model is to provide a digital wellhead anti-dismantling and anti-theft oil plug, so as to at least solve the problem that the pipeline plug of the oil production equipment in the prior art is easy to be dismantled and stolen.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a digital wellhead anti-dismantling and anti-theft oil plug, including a main shell, a password lock mechanism and an installation wrench; an installation groove is provided on the inner side of the main shell, and a thread is provided on the outer side of the main shell; a first clamping groove is provided on the side wall of the installation groove, and a second clamping groove is provided at the lower end of the installation groove; the password lock mechanism is arranged inside the main shell; wherein, the installation wrench installs the main shell on the equipment pipe mouth through the installation groove; the password lock mechanism is arranged in the installation groove to close the installation groove.

[0005] Furthermore, the combination lock mechanism includes a lock core housing, a straightening sleeve, a combination lock core group, a first spring, a flat washer, a first turntable, a first spacer, a second turntable, a second spacer, a third turntable, a lever, a lock plate, a spring stop pin and a second spring; the outer side of the lock core housing abuts against the side wall of the installation groove; a lock core opening is provided at the top of the lock core housing, and the bottom of the lock core housing is an open structure; a side groove is provided on one side wall of the lock core housing and corresponds to the first positioning groove; the straightening sleeve is provided in the lock core opening; a round hole is provided inside the straightening sleeve; the combination lock core group is rotatably provided in the round hole The first spring is sleeved on the upper end of the outer side of the straightening sleeve; the flat washer is sleeved on the straightening sleeve and abuts against the lower surface of the first spring; the first turntable is rotatably sleeved on the straightening sleeve and abuts against the lower surface of the flat washer; the first turntable is provided with a collision pin and a first turntable groove; the first spacer is sleeved on the straightening sleeve and abuts against the lower surface of the first turntable; the second turntable is rotatably sleeved on the straightening sleeve and abuts against the lower surface of the first turntable; the second turntable is provided with a first stop pin and a second turntable groove; the second spacer is sleeved on the straightening sleeve and abuts against the lower surface of the second turntable; the third turntable is rotatable The lock core assembly is rotatably mounted on the straightening sleeve, and the upper surface of the third rotary disk abuts against the lower surface of the second spacer sleeve; the lower surface of the third rotary disk is connected to the lower end of the password lock core assembly; a second stop pin is arranged on the third rotary disk; a lever is movably arranged between the straightening sleeve and the lock core housing; the lock disk is arranged in the second clamping groove; the upper part of the first end of the lock disk is connected to the lower end of the lever; a spring stop pin is arranged at the lower part of the second end of the lock disk; one end of the second spring is arranged on the spring stop pin, and the other end abuts against a side wall of the second clamping groove; wherein, when the password lock core assembly rotates to rotate the third rotary disk, the second stop pin rotates The first spring abuts against the first stop pin to transmit the rotational force to the second rotary disk. The second rotary disk rotates to make the first stop pin abut against the bump pin to transmit the rotational force to the first rotary disk. The lever is pushed by the rotation of the bottom of the password lock core group and moves between the straightening sleeve and the lock core housing to abut against the first rotary disk groove and the second rotary disk groove. The first and second rotary disks push the lever to the side slot through rotation so that the lever enters the first positioning slot through the side slot. The lock disk moves to the bottom of the lock core housing accordingly. The second spring abuts against the side wall of the lower end of the lock core housing through extrusion, and the password lock mechanism is in an unlocked state. The first spring abuts against the flat washer to reduce the horizontal displacement of the flat washer, the first rotary disk, the first spacer, the second rotary disk, the second spacer and the third rotary disk on the straightening sleeve. The flat washer, the first spacer and the second spacer are used to separate the first rotary disk, the second rotary disk and the third rotary disk respectively.

[0006] Furthermore, the combination lock core group includes a combination dial and a fixing pin; the combination dial is rotatably arranged in the circular hole; a connecting end is arranged at the lower end of the combination dial; the fixing pin is arranged at the connecting end and connected to the lower surface of the third dial; wherein, the combination dial rotates so that the fixing pin drives the third dial to rotate.

[0007] Furthermore, a digital disc is provided on the upper surface of the password dial.

[0008] Further, the shape of the mounting groove matches the mounting wrench.

[0009] Furthermore, the flat washer, the first spacer and the second spacer are all made of brass.

[0010] The digital wellhead anti-disassembly and anti-theft oil plug using the technical solution of the utility model comprises a main shell, a password lock mechanism and an installation wrench; a mounting groove is provided on the inner side of the main shell, and a thread is provided on the outer side of the main shell; a first clamping groove is provided on the side wall of the mounting groove, and a second clamping groove is provided at the lower end of the mounting groove; the password lock mechanism is arranged inside the main shell; wherein the installation wrench installs the main shell on the equipment pipe mouth through the mounting groove; the password lock mechanism is arranged in the mounting groove to close the mounting groove, thereby solving the problem in the prior art that the pipeline plug of the oil extraction equipment is easily dismantled and stolen. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0012] Figure 1 It is a structural schematic diagram of a digital wellhead anti-disassembly and anti-theft oil plug that can be selected according to an embodiment of the utility model;

[0013] Figure 2 It is a schematic diagram of the external structure of a digital wellhead anti-disassembly and anti-theft oil plug that can be selected according to an embodiment of the utility model;

[0014] The above drawings include the following reference numerals:

[0015] 10. Main housing; 11. First latching slot; 12. Second latching slot; 20. Combination lock mechanism; 21. Lock core housing; 22. Straightening sleeve; 23. Combination lock core assembly; 231. Combination dial; 232. Fixing pin; 24. First spring; 25. Flat washer; 26. First dial; 27. First spacer; 28. Second dial; 29. ​​Second spacer; 210. Third dial; 211. Lever; 212. Locking disk; 213. Spring stop pin; 214. Second spring; 30. Installation wrench. DETAILED DESCRIPTION

[0016] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0017] According to the digital wellhead anti-disassembly and anti-theft oil plug of the embodiment of the utility model, Figure 1 and Figure 2 As shown, it includes a main shell 10, a password lock mechanism 20 and an installation wrench 30; a mounting groove is provided on the inner side of the main shell 10, and a thread is provided on the outer side of the main shell 10; a first clamping groove 11 is provided on the side wall of the mounting groove, and a second clamping groove 12 is provided at the lower end of the mounting groove; the password lock mechanism 20 is arranged inside the main shell 10; wherein, the installation wrench 30 installs the main shell 10 on the equipment pipe mouth through the mounting groove; the password lock mechanism 20 is arranged in the mounting groove to close the mounting groove, and because a password lock is provided, the device is arranged at the oil equipment pipeline as a plug, and will not be dismantled and damaged without knowing the unlocking password, thereby effectively protecting the equipment.

[0018] When implementing it, Figure 1As shown, the combination lock mechanism 20 includes a lock core housing 21, a straightening sleeve 22, a combination lock core group 23, a first spring 24, a flat washer 25, a first turntable 26, a first spacer sleeve 27, a second turntable 28, a second spacer sleeve 29, a third turntable 210, a lever 211, a lock disc 212, a spring stop pin 213 and a second spring 214; the outer side of the lock core housing 21 abuts against the side wall of the installation groove; a lock core opening is provided at the top of the lock core housing 21, and the bottom of the lock core housing 21 is an open structure; a side wall of the lock core housing 21 is provided with a side slot corresponding to the first locking slot 11; the straightening sleeve 22 is provided in the lock core opening; a round hole is provided inside the straightening sleeve 22; the combination lock core group 23 is rotatably provided In the circular hole; the first spring 24 is sleeved on the upper end of the outer side of the straightening sleeve 22; the flat washer 25 is sleeved on the straightening sleeve 22 and abuts against the lower surface of the first spring 24; the first turntable 26 is rotatably sleeved on the straightening sleeve 22 and abuts against the lower surface of the flat washer 25; the first turntable 26 is provided with a collision pin and a first turntable groove; the first spacer sleeve 27 is sleeved on the straightening sleeve 22 and abuts against the lower surface of the first turntable 26; the second turntable 28 is rotatably sleeved on the straightening sleeve 22 and abuts against the lower surface of the first spacer sleeve 27; the second turntable 28 is provided with a first stop pin and a second turntable groove; the second spacer sleeve 29 is sleeved on the straightening sleeve 22 and abuts against the lower surface of the second turntable 28; the third turntable 210 is rotatable The lock core 23 is locked and the lock core 23 is unlocked when the lock core 23 is unlocked. The second stop pin rotates and abuts against the first stop pin to transmit the rotational force to the second turntable 28, and the second turntable 28 rotates to make the first stop pin abut against the collision pin to transmit the rotational force to the first turntable 26; the lever 211 is pushed by the rotation of the bottom of the password lock core group 23, and then moves between the straightening sleeve 22 and the lock core housing 21 to abut against the first turntable groove and the second turntable groove. The first turntable 26 and the second turntable 28 push the lever 211 to the side groove by rotation so that the lever 211 enters the first locking groove 11 through the side groove, and the lock disk 212 moves to the bottom of the lock core housing 21 accordingly, and the second spring 214 abuts against the lower end side wall of the lock core housing 21 through extrusion, and the password lock mechanism 20 is in an unlocked state.The first spring 24 abuts against the flat washer 25 to reduce the horizontal displacement of the flat washer 25, the first turntable 26, the first spacer 27, the second turntable 28, the second spacer 29 and the third turntable 210 on the straightening sleeve 22; the flat washer 25, the first spacer 27 and the second spacer 29 are used to separate the first turntable 26, the second turntable 28 and the third turntable 210 respectively. When locking is required, the operation method is opposite to the above. The password lock core group 23 is rotated to rotate the first turntable 26, the second turntable 28 and the third turntable 210 and push the lever 211 out of the first positioning groove 11, and the lock disk 212 falls downward into the second positioning groove 12 accordingly. The second spring 214 abuts against a side wall of the second positioning groove 12, so that the entire device enters a locked state, and the password lock mechanism 20 cannot be manually pulled out of the main housing 10.

[0019] When implementing it, Figure 1 As shown, the combination lock core group 23 includes a combination dial 231 and a fixing pin 232; the combination dial 231 is rotatably arranged in the round hole; a connecting end is arranged at the lower end of the combination dial 231; the fixing pin 232 is arranged at the connecting end and connected to the lower surface of the third dial 210; wherein, the combination dial 231 rotates so that the fixing pin 232 drives the third dial 210 to rotate.

[0020] When implementing it, Figure 1 As shown, a number disc is provided on the upper surface of the code dial 231 . During operation, the code dial 231 can be rotated to a corresponding code according to the number on the number disc to unlock the code.

[0021] When implementing it, Figure 2 As shown, the shape of the mounting groove matches the mounting wrench 30 .

[0022] When implementing it, Figure 1 As shown, the flat washer 25, the first spacer 27 and the second spacer 29 are all made of brass. Brass has good wear resistance and strong anti-corrosion effect. As an internal component, it has a longer service life and good stability.

[0023] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A digital wellhead anti-disassembly and anti-theft oil plug, characterized in that: include: A main housing (10), wherein a mounting groove is provided on the inner side of the main housing (10), and a thread is provided on the outer side of the main housing (10); a first locking groove (11) is provided on the side wall of the mounting groove, and a second locking groove (12) is provided at the lower end of the mounting groove; A password lock mechanism (20), wherein the password lock mechanism (20) is arranged inside the main housing (10); Install the wrench (30); Wherein, the installation wrench (30) installs the main housing (10) on the equipment nozzle through the installation slot; The password lock mechanism (20) is arranged in the installation slot to close the installation slot.

2. The digital wellhead anti-disassembly and anti-theft oil plug according to claim 1 is characterized in that: The combination lock mechanism (20) comprises: A lock core housing (21), the outer side of the lock core housing (21) abutting against the side wall of the installation groove; a lock core opening is provided at the top of the lock core housing (21), and the bottom of the lock core housing (21) is an open structure; a side groove is provided on one side wall of the lock core housing (21) and corresponds to the first locking groove (11); A straightening sleeve (22), the straightening sleeve (22) being arranged in the lock core opening; a circular hole is provided inside the straightening sleeve (22); A combination lock core group (23), wherein the combination lock core group (23) is rotatably arranged in the circular hole; A first spring (24), wherein the first spring (24) is sleeved on an upper end of an outer side of the straightening sleeve (22); A flat washer (25), the flat washer (25) being sleeved on the straightening sleeve (22) and abutting against the lower surface of the first spring (24); a first rotating disk (26), the first rotating disk (26) being rotatably sleeved on the straightening sleeve (22) and abutting against the lower surface of the flat pad (25); a collision pin and a first rotating disk groove are provided on the first rotating disk (26); a first spacer sleeve (27), wherein the first spacer sleeve (27) is sleeved on the centralizing sleeve (22) and abuts against a lower surface of the first rotating disk (26); a second rotating disk (28), the second rotating disk (28) being rotatably sleeved on the straightening sleeve (22) and abutting against the lower surface of the first spacer sleeve (27); the second rotating disk (28) being provided with a first stop pin and a second rotating disk groove; a second spacer sleeve (29), the second spacer sleeve (29) being sleeved on the straightening sleeve (22) and abutting against the lower surface of the second rotating disk (28); a third rotating disk (210), the third rotating disk (210) being rotatably sleeved on the straightening sleeve (22), the upper surface of the third rotating disk (210) being in contact with the lower surface of the second spacer sleeve (29); the lower surface of the third rotating disk (210) being connected to the lower end of the combination lock core assembly (23); and a second stop pin being arranged on the third rotating disk (210); A lever (211), the lever (211) being movably disposed between the straightening sleeve (22) and the lock core housing (21); A lock plate (212), the lock plate (212) being arranged in the second locking groove (12); the upper portion of the first end of the lock plate (212) being connected to the lower end of the shifting rod (211); A spring stop pin (213), the spring stop pin (213) being arranged at a lower portion of the second end of the lock plate (212); a second spring (214), one end of the second spring (214) being arranged on the spring stop pin (213), and the other end of the second spring being in contact with a side wall of the second locking groove (12); Wherein, when the password lock core group (23) rotates to rotate the third turntable (210), the second stop pin rotates and abuts against the first stop pin to transmit the rotational force to the second turntable (28), and the second turntable (28) rotates to cause the first stop pin to abut against the contact pin to transmit the rotational force to the first turntable (26); the lever (211) moves between the straightening sleeve (22) and the lock core housing (21) to abut against the first turntable groove and the second turntable groove after being pushed by the rotation of the bottom of the password lock core group (23), and the first turntable (26) and the second turntable (28) push the lever (211) to the side slot by rotation so that the lever (211) enters the first locking slot ( 11), the lock disk (212) is moved to the bottom of the lock core housing (21) accordingly, the second spring (214) is pressed against the lower side wall of the lock core housing (21), the password lock mechanism (20) is in an unlocked state, the first spring (24) is pressed against the flat pad (25) to reduce the horizontal displacement of the flat pad (25), the first rotating disk (26), the first spacer (27), the second rotating disk (28), the second spacer (29) and the third rotating disk (210) on the straightening sleeve (22); the flat pad (25), the first spacer (27) and the second spacer (29) are respectively used to separate the first rotating disk (26), the second rotating disk (28) and the third rotating disk (210).

3. The digital wellhead anti-disassembly and anti-theft oil plug according to claim 2 is characterized in that: The password lock core assembly (23) comprises: A code dial (231), the code dial (231) being rotatably arranged in the circular hole; a connecting end is arranged at the lower end of the code dial (231); a fixing pin (232), the fixing pin (232) being arranged at the connection end and connected to the lower surface of the third rotating disk (210); Wherein, the code turntable (231) rotates to cause the fixing pin (232) to drive the third turntable (210) to rotate.

4. The digital wellhead anti-disassembly and anti-theft oil plug according to claim 3 is characterized in that: The upper surface of the code dial (231) is provided with a digital disc.

5. The digital wellhead anti-disassembly and anti-theft oil plug according to claim 1 is characterized in that: The shape of the mounting groove matches the mounting wrench (30).

6. The digital wellhead anti-disassembly and anti-theft oil plug according to claim 2 is characterized in that: The flat washer (25), the first spacer (27) and the second spacer (29) are all made of brass.

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