CN216240558U

CN216240558U - Oil recovery well head anti-theft device

Info

Publication number: CN216240558U
Application number: CN202122820103.0U
Authority: CN
Inventors: 李姗; 佃生权; 王宇; 刘瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-08
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses an anti-theft device for an oil extraction well mouth, which relates to the field of anti-theft of the oil extraction well mouth and solves the problems that the existing anti-theft devices for the oil extraction well mouth have complex structures and are difficult to install, and the other anti-theft devices have too simple structures and are difficult to play an anti-theft role, the anti-theft device comprises an anti-theft cover, an alarm mechanism, an anti-theft mechanism and a fixed ring fixedly connected with the oil extraction well mouth, wherein an inclined tooth ring is rotatably connected to the fixed ring, the alarm mechanism is used for giving an alarm when the anti-theft cover is not opened according to the appointed operation, the alarm mechanism is not triggered when the anti-theft cover is opened according to the appointed operation, and the alarm mechanism is triggered to give an alarm when the anti-theft cover is not opened according to the appointed operation, the anti-theft device for the oil extraction well mouth is convenient for people to install the anti-theft mechanism rapidly by arranging the alarm mechanism and the anti-theft mechanism, is also convenient to open, but the opening steps need to be carried out in sequence in multiple steps, any operation error in one step can trigger an alarm mechanism to alarm.

Description

Oil recovery well head anti-theft device

Technical Field

The utility model relates to the technical field of oil extraction wellhead anti-theft, in particular to an oil extraction wellhead anti-theft device.

Background

Petroleum is a fluid mineral buried deep in the ground. At first, oily liquid minerals produced in nature are called petroleum, combustible gas is called natural gas, and solid combustible oily minerals are called asphalt. With the intensive research on these minerals, it is recognized that they are hydrocarbon compounds in composition, and are related to each other in origin, so they are collectively called petroleum. The 11 th world oil in 9/1983 proposed that oil be a complex mixture of gaseous, liquid and solid hydrocarbons found in nature, with a small amount of impurities. Oil production also includes natural gas production.

Crude oil in the oil production well mouth suffers theft of lawless persons easily, consequently need carry out the theftproof to the oil production well mouth and handle, well mouth anti-theft device structure commonly used is comparatively complicated, and is comparatively loaded down with trivial details when installation or dismantlement to the device commonly used is mostly just sealed the well mouth outside, uses the bolt to let it be fixed in ground, can not link into an organic whole with the well mouth, and the theftproof effect is perfect inadequately, and the thief still can steal through some simple and easy instruments. Therefore, an anti-theft device for an oil production wellhead is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil extraction wellhead anti-theft device which is convenient to disassemble and assemble quickly and is efficient in anti-theft, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an oil extraction well mouth anti-theft device comprises an anti-theft cover, an alarm mechanism, an anti-theft mechanism and a fixed ring fixedly connected with an oil extraction well mouth, wherein an inclined gear ring is rotationally connected to the fixed ring, a threaded ring in threaded connection with the inner wall of the anti-theft cover is fixedly connected to the fixed ring, the alarm mechanism is installed on the fixed ring and is used for giving an alarm when the anti-theft cover is not opened according to specified operation, the anti-theft mechanism is installed on the anti-theft cover and is used for not triggering the alarm mechanism when the anti-theft cover is opened according to the specified operation, the alarm mechanism is triggered to give an alarm when the anti-theft cover is not opened according to the specified operation, the device is convenient for people to install the anti-theft mechanism rapidly and is also convenient to open by arranging the alarm mechanism and the anti-theft mechanism, but the opening steps need to be carried out in sequence in multiple steps, and any operation error can trigger the alarm mechanism to give an alarm, the device simple structure, simple swift during dismouting, it is effectual to prevent burglary, makes things convenient for people to use.

Preferably, alarm mechanism includes a plurality of toper fixture blocks, seted up a plurality of first spouts on the retaining ring, it is a plurality of the toper fixture block respectively with a plurality of first spout sliding connection, fixedly connected with on the toper fixture block with first spout fixed connection's first spring, the one end fixedly connected with alarm trigger key of toper fixture block, interior ring gear has been seted up on the skewed tooth ring, the toper fixture block with interior ring gear pegs graft mutually, triggers the warning when being convenient for skewed tooth ring rotates again.

Preferably, the anti-theft mechanism comprises a plurality of triangular clamping blocks, a plurality of second chutes are formed in the anti-theft cover, the triangular clamping blocks are respectively in sliding connection with the second chutes and are in a plurality of second springs fixedly connected with one ends of the triangular clamping blocks and the second chutes, an installation groove is formed in the anti-theft cover, and a limiting part used for limiting and removing the triangular clamping blocks is arranged in the installation groove, so that the inclined gear ring can be driven to rotate when the inclined gear ring is not operated correctly.

Preferably, the locating part include with device groove sliding connection's lifting ring, a plurality of kicking blocks of fixedly connected with on the lifting ring, the ground of triangle fixture block seted up with kicking block sliding connection's inclined plane, the bottom surface fixedly connected with of lifting ring a plurality of with device groove fixed connection's third spring, the device inslot is equipped with and is used for control the lifting ring carries out the control that goes up and down, is convenient for make the protecting cap drive the skewed tooth ring and rotate when directly rotating.

Preferably, the control part comprises a pull rope, a plurality of third sliding grooves are formed in the anti-theft cover, a poking block is connected to each of the third sliding grooves in a sliding mode, one end of the pull rope is fixedly connected with the poking block, the other end of the pull rope is fixedly connected with the bottom face of the lifting ring, and the anti-theft cover cannot drive the helical gear ring to rotate when rotating clockwise through operation.

Preferably, the surface of the poking block is made of an anti-slip rubber material, so that friction is increased, and the operation is convenient.

Preferably, the cross section of the ejector block is trapezoidal, so that the inclined plane is convenient to push.

Compared with the prior art, the utility model has the beneficial effects that:

the anti-theft device solves the problems that the existing anti-theft devices of oil extraction well heads are complex in structure and difficult to install, and the other anti-theft devices are too simple in structure and difficult to play an anti-theft role.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is a schematic view of the retainer ring of the present invention;

FIG. 5 is an enlarged view of area B of FIG. 4;

fig. 6 is a schematic view of the anti-theft cover of the present invention.

In the figure: 1-an anti-theft cover; 2-a fixed ring; 3-a skewed tooth ring; 4-a threaded ring; 5-an alarm mechanism; 6-an anti-theft mechanism; 7-a conical fixture block; 8-a first chute; 9-a first spring; 10-alarm triggering key; 11-an internal gear ring; 12-a triangular fixture block; 13-a second chute; 14-a second spring; 15-device tank; 16-a limit piece; 17-a lifting ring; 18-a top block; 19-inclined plane; 20-a third spring; 21-a control member; 22-a pull rope; 23-a third chute; 24-a dial block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, an oil recovery wellhead anti-theft device shown in the figure comprises an anti-theft cover 1, an alarm mechanism 5, an anti-theft mechanism 6 and a fixing ring 2 fixedly connected with an oil recovery wellhead, wherein an inclined gear ring 3 is rotatably connected to the fixing ring 2, a threaded ring 4 in threaded connection with the inner wall of the anti-theft cover 1 is fixedly connected to the fixing ring 2, the alarm mechanism 5 is mounted on the fixing ring 2 and used for giving an alarm when the anti-theft cover 1 is not opened according to a specified operation, the anti-theft mechanism 6 is mounted on the anti-theft cover 1 and used for not triggering the alarm mechanism 5 when the anti-theft cover 1 is opened according to the specified operation, and triggering the alarm mechanism 5 for giving an alarm when the anti-theft cover 1 is not opened according to the specified operation.

Referring to fig. 4 to 5, the alarm mechanism 5 in the drawings includes a plurality of tapered fixture blocks 7, a plurality of first sliding grooves 8 are formed on the fixing ring 2, the tapered fixture blocks 7 are respectively slidably connected to the first sliding grooves 8, a first spring 9 fixedly connected to the first sliding grooves 8 is fixedly connected to the tapered fixture blocks 7, an alarm triggering key 10 is fixedly connected to one end of the tapered fixture blocks 7, an inner toothed ring 11 is formed on the inclined toothed ring 3, and the tapered fixture blocks 7 are inserted into the inner toothed ring 11.

In the embodiment, the anti-theft cover 1 can be fixed by connecting the anti-theft cover 1 with the threaded ring 4 in a threaded manner by rotating the anti-theft cover 1 anticlockwise, the anti-theft cover 1 is used for preventing theft and is not sealed, so that screwing is not needed, the anti-theft cover 1 can be ensured to be in a state that the anti-theft cover 1 can rotate forwards and backwards, after the anti-theft cover 1 is installed, an anti-theft alarm (not shown) connected with the alarm trigger key 10 in a Bluetooth manner is opened, the installation can be completed, when the anti-theft cover 1 needs to be opened, if the anti-theft cover 1 is directly rotated (no matter the anti-theft cover 1 rotates clockwise or anticlockwise), the anti-theft cover 1 can drive the bevel gear ring 3 to rotate, so that the inner gear ring 11 can continuously push the conical clamping block 7 to slide in the first sliding groove 8, the first spring 9 is compressed, the alarm trigger key 10 is continuously touched to send an alarm, only when the limit of the anti-theft mechanism 6 is removed, and then the anti-theft cover can rotate clockwise (the thinking of opening the anti-theft cover is different from the conventional thinking, plays a certain misleading role) to open the anti-theft cover 1, and at the moment, if the anti-theft cover rotates anticlockwise, the inclined gear ring 3 is also driven to rotate to trigger the alarm triggering key 10 to give an alarm.

Example 2

Referring to fig. 2-3 and fig. 6 to describe embodiment 2, in this embodiment, the embodiment 1 is further described, the anti-theft mechanism 6 in the figure includes a plurality of triangular latch blocks 12, the anti-theft cover 1 is provided with a plurality of second sliding grooves 13, the plurality of triangular latch blocks 12 are respectively connected to the plurality of second sliding grooves 13 in a sliding manner, one end of each of the plurality of triangular latch blocks 12 is fixedly connected to a second spring 14 fixedly connected to the second sliding groove 13, the anti-theft cover 1 is provided with a device groove 15, and a limiting member 16 for limiting and releasing the triangular latch blocks 12 is arranged in the device groove 15.

Referring to fig. 2-3 and 6, the limiting member 16 in the drawings includes a lifting ring 17 slidably connected to the device groove 15, the lifting ring 17 is fixedly connected to a plurality of top blocks 18, the top blocks 18 have a trapezoidal cross section, an inclined surface 19 slidably connected to the top blocks 18 is formed on the ground of the triangular fixture block 12, a plurality of third springs 20 fixedly connected to the device groove 15 are fixedly connected to the bottom surface of the lifting ring 17, and a control member 21 for controlling the lifting ring 17 to lift is disposed in the device groove 15.

In this embodiment, when the lifting ring 17 is lowered without releasing the control key, the lifting ring 17 is jacked up by the third spring 20, so that the jacking block 18 pushes the inclined surface 19, at this time, the triangular clamping block 12 is difficult to retract into the second sliding groove 13, at this time, no matter what direction the anti-theft cover 1 is rotated, the triangular clamping block 12 drives the inclined toothed ring 3 to rotate, thereby triggering the alarm triggering key 10, when the lifting ring 17 is lowered by the control key, the jacking block 18 releases the pushing on the triangular clamping block 12, at this time, if the anti-theft cover 1 is rotated clockwise, the triangular clamping block 12 is contacted with the side surface of the inclined toothed ring 3, the second spring 14 is continuously compressed, the triangular clamping block 12 is continuously extended and retracted in the second sliding groove 13, at this time, the thrust of the inclined toothed ring 3 receiving the tapered clamping block 7 is greater than the thrust of the triangular clamping block 12, therefore, the inclined toothed ring 3 cannot rotate, the anti-theft cover 1 can be unscrewed, at this time, if the anti-theft cover 1 is rotated counterclockwise, one right-angle side of the triangular clamping block 12 can still push the bevel gear ring 3 to rotate, and the alarm triggering key 10 is triggered.

Example 3

Referring to fig. 2-3 and fig. 6 to describe embodiment 3, in this embodiment, the embodiment 1 is further described, in the figure, the limiting member 16 includes a lifting ring 17 slidably connected to the device groove 15, a plurality of top blocks 18 are fixedly connected to the lifting ring 17, an inclined surface 19 slidably connected to the top blocks 18 is formed on the ground of the triangular fixture block 12, a plurality of third springs 20 fixedly connected to the device groove 15 are fixedly connected to the bottom surface of the lifting ring 17, and a control member 21 for controlling the lifting ring 17 to lift is disposed in the device groove 15.

Referring to fig. 2 to 3, the control member 21 shown in the figure includes a pull rope 22, a plurality of third sliding grooves 23 are formed in the anti-theft cover 1, a toggle block 24 is slidably connected to the third sliding grooves 23, the surface of the toggle block 24 is made of an anti-slip rubber material, one end of the pull rope 22 is fixedly connected to the toggle block 24, and the other end of the pull rope is fixedly connected to the bottom surface of the lifting ring 17.

In this embodiment, when the anti-theft cover 1 needs to be opened, stir the block 24 in the third chute 23 earlier, stir the block 24 and stimulate the stay cord 22, the stay cord 22 drives the drop ring 17 and descends and compresses the third spring 20, thereby make the drop ring 17 drive the kicking block 18 move down, remove the jack-up effect to inclined plane 19, can make the triangle fixture block 12 can slide flexible wantonly in the second chute 13, need insert the position of triangle fixture block 12 in the skewed tooth ring 3 earlier during the installation and then rotate anti-theft cover 1 anticlockwise and can accomplish the threaded connection with the screw ring 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An oil recovery wellhead anti-theft device, comprising:

the oil well anti-theft device comprises an anti-theft cover (1) and a fixed ring (2) fixedly connected with an oil production well mouth, wherein an inclined gear ring (3) is rotatably connected onto the fixed ring (2), and a threaded ring (4) in threaded connection with the inner wall of the anti-theft cover (1) is fixedly connected onto the fixed ring (2);

the alarm mechanism (5) is arranged on the fixing ring (2) and used for giving an alarm when the anti-theft cover (1) is not opened according to specified operation;

the anti-theft mechanism (6) is installed on the anti-theft cover (1) and used for not triggering the alarm mechanism (5) when the anti-theft cover (1) is opened according to specified operation, and triggering the alarm mechanism (5) to give an alarm when the anti-theft cover (1) is not opened according to the specified operation.

2. The anti-theft device for the oil recovery wellhead according to claim 1, characterized in that: alarm mechanism (5) include a plurality of toper fixture blocks (7), a plurality of first spout (8) have been seted up on retainer plate (2), and are a plurality of toper fixture block (7) respectively with a plurality of first spout (8) sliding connection, toper fixture block (7) go up fixedly connected with first spout (8) fixed connection's first spring (9), the one end fixedly connected with alarm trigger key (10) of toper fixture block (7), interior ring gear (11) have been seted up on skewed tooth ring (3), toper fixture block (7) with interior ring gear (11) are pegged graft mutually.

3. The anti-theft device for the oil recovery wellhead according to claim 2, characterized in that: anti-theft mechanism (6) include a plurality of triangle fixture block (12), a plurality of second spout (13) have been seted up on safety cover (1), and is a plurality of triangle fixture block (12) respectively with a plurality of second spout (13) sliding connection, it is a plurality of the equal fixedly connected with of one end of triangle fixture block (12) with second spout (13) fixed connection's second spring (14), set up device groove (15) on safety cover (1), it is right to be equipped with in device groove (15) triangle fixture block (12) carry on spacingly and remove spacing locating part (16).

4. The anti-theft device for the oil recovery wellhead according to claim 3, characterized in that: locating part (16) include with device groove (15) sliding connection's lift ring (17), a plurality of kicking blocks of fixedly connected with (18) on lift ring (17), the ground of triangle fixture block (12) seted up with kicking block (18) sliding connection's inclined plane (19), the bottom surface fixedly connected with of lift ring (17) a plurality of with device groove (15) fixed connection's third spring (20), be equipped with in device groove (15) and be used for control lift ring (17) carry out the control (21) that goes up and down.

5. The anti-theft device for the oil recovery wellhead according to claim 4, characterized in that: the control piece (21) comprises a pull rope (22), a plurality of third sliding grooves (23) are formed in the anti-theft cover (1), a poking block (24) is connected in the third sliding grooves (23) in a sliding mode, one end of the pull rope (22) is fixedly connected with the poking block (24), and the other end of the pull rope is fixedly connected with the bottom face of the lifting ring (17).

6. The anti-theft device for the oil recovery wellhead according to claim 5, characterized in that: the surface of the poking block (24) is made of an anti-skid rubber material.

7. The anti-theft device for the oil recovery wellhead according to claim 4, characterized in that: the top block (18) has a trapezoidal cross section.