CN216841544U

CN216841544U - Lubricator for packing box of oil well

Info

Publication number: CN216841544U
Application number: CN202220507427.0U
Authority: CN
Inventors: 张艳峰; 张晓东
Original assignee: Hebei Yaze Petroleum Technology Co ltd
Current assignee: Hebei Yaze Petroleum Technology Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-06-28
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses an oil well packing box lubricator relates to oil gas development technical field, including first packing box, second packing box and polished rod, be provided with an installation sleeve between first packing box and the second packing box, logical groove has all been seted up on first packing box and the second packing box, the polished rod slides and sets up at logical inslot, first packing box bottom is provided with an batch oil tank, the batch oil tank bottom is provided with a communicating pipe, communicating pipe switches on with the installation sleeve, communicating pipe bottom is provided with a control mechanism. Through the cooperation between first packing box, second packing box, installation sleeve, batch oil tank, communicating pipe, the control mechanism, during the use, through the communicating pipe of batch oil tank bottom portion, to carrying lubricating oil in the installation sleeve, utilize the lubricating oil that control mechanism control was carried, prevent that the oil mass is too much in the installation sleeve from causing the wasting of resources, perhaps the oil mass is too little to play lubricated effect, improves the practicality of this oil well packing box lubricator.

Description

Lubricator for packing box of oil well

Technical Field

The utility model relates to an oil gas development technical field specifically is an oil well packing box lubricator.

Background

Packing also called sealing packing is usually woven by soft threadlike objects, strip-shaped objects with square or rectangular or round cross sections are usually filled in a sealing cavity, so that sealing is realized, the packing sealing is firstly to use fiber plugs such as cotton and hemp and the like in a leakage channel to prevent liquid flow leakage, the packing is mainly used as a shaft seal of a water lifting machine, and the packing is widely available, easy to process, low in price, reliable in sealing and simple to operate, so that the packing is continuously used; the packing box is a well mouth dynamic sealing device for sealing the annular space between the oil pipe and the polished rod, adopts multi-stage sealing, has good sealing effect and high pressure resistance, and is particularly suitable for oil well application with inclined well mouth because a universal joint is designed to adjust eccentricity and angle.

The existing oil well packing box lubricator is disclosed as a Chinese patent with the application number of CN201920033269.8 named as 'a sealed lubricator for an oil production well packing box', and comprises a packing box and a semi-sealed box, wherein the semi-sealed box is welded at the top of the packing box, a polished rod is arranged at the center of the packing box and penetrates through the packing box and the semi-sealed box, the bottom of the semi-sealed box is provided with an emptying port with a plug, an annular semi-closed baffle is welded on the inner wall of the top of the semi-sealed box, the center of the semi-closed baffle is a lubricating oil filling port, a sponge is filled in the semi-sealed box, and lubricating oil is adsorbed in the sponge. This practicality has following advantage: the original lubricating mode is changed to be mainly lubricated by produced fluid of an oil well, and the improved mode is that waste lubricating oil in production is used for lubricating, and passive lubricating is changed into active lubricating; the lower mixed liquid is used for lubrication, while the upper part can not be lubricated, the lower mixed liquid is used for lubrication, and the upper lubricating oil is used for lubrication, so that the upper and lower combined lubrication is realized; the model is transformed from the manned well to the controllable unmanned well.

The defects of the prior art are as follows: the lubrication effect between the existing polished rod and the packing is poor, so that the packing needs to be frequently replaced in a short time, not only can the resource waste be caused, but also the workload of workers is increased, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oil well packing box lubricator to solve the weak point among the above-mentioned prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an oil well packing box lubricator, includes first packing box, second packing box and polished rod, be provided with an installation sleeve between first packing box and the second packing box, logical groove has all been seted up on first packing box and the second packing box, the polished rod slides and sets up at logical inslot, first packing box bottom is provided with an batch oil tank, the batch oil tank bottom is provided with a communicating pipe, communicating pipe switches on with the installation sleeve, the communicating pipe bottom is provided with a control mechanism.

Further, control mechanism includes the slide bar, the slide bar slides and sets up in the communicating pipe, be provided with a solid fixed ring on the slide bar, be provided with the fixed plate on the communicating pipe, be provided with a plurality of drive spring between solid fixed ring and the fixed plate, the solid fixed ring of drive spring drive is kept away from the fixed plate, the one end that the fixed plate was kept away from to the slide bar is provided with the radian.

Further, be provided with the mounting bracket on the first packing box, the oil storage tank passes through the mounting bracket and installs on first packing box, be provided with a feed mechanism on the oil storage tank top.

Furthermore, the feeding mechanism comprises a feeding pipe, a sealing plug is arranged on the bottom of the feeding pipe in a sliding mode, a connecting plate is arranged on the sealing plug, a connecting spring is arranged between the connecting plate and the top of the oil storage tank, and the elastic force of the connecting spring drives the connecting plate to be close to the top of the oil storage tank.

Further, mounting grooves are formed in the first packing box and the second packing box, and packing is arranged in each mounting groove.

Furthermore, internal threads are arranged on the inner sides of the first packing box and the second packing box, external threads are arranged at the top and the bottom of the mounting sleeve, and each internal thread is in threaded connection with the corresponding external thread.

Compared with the prior art, the beneficial effects of the utility model are that: through the cooperation between first packing box, second packing box, installation sleeve, batch oil tank, communicating pipe, the control mechanism, during the use, through the communicating pipe of batch oil tank bottom portion, to carrying lubricating oil in the installation sleeve, control mechanism for control carries lubricating oil in to the installation sleeve, prevents that the oil mass is too much to cause the wasting of resources in the installation sleeve, perhaps the oil mass plays lubricated effect too little, improves the practicality of this oil well packing box lubricator.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;

fig. 2 is a schematic overall sectional structural view provided by an embodiment of the present invention;

fig. 3 is a schematic structural view of a storage box according to an embodiment of the present invention;

FIG. 4 is an enlarged view of the area B in FIG. 2;

fig. 5 is an enlarged schematic view of the area a in fig. 3.

Description of reference numerals: 1. a first packing box; 2. a second packing box; 3. installing a sleeve; 4. mounting grooves; 5. a polish rod; 6. an oil storage tank; 7. a mounting frame; 8. a feeding mechanism; 801. a feed pipe; 802. a sealing plug; 803. a connecting plate; 804. a connecting spring; 9. a communicating pipe; 10. a control mechanism; 1001. a slide bar; 1002. a fixing ring; 1003. a fixing plate; 1004. a drive spring; 11. an internal thread; 12. an external thread; 13. packing; 14. a through groove.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Please refer to fig. 1-5, the embodiment of the utility model provides a pair of oil well packing box lubricator, including first packing box 1, second packing box 2 and polished rod 5, be provided with an installation sleeve 3 between first packing box 1 and the second packing box 2, logical groove 14 has all been seted up on first packing box 1 and the second packing box 2, polished rod 5 slides and sets up in logical groove 14, 1 bottom of first packing box is provided with an

batch oil tank

6, 6 bottoms of batch oil tank are provided with a communicating pipe 9, communicating pipe 9 switches on with

installation sleeve

3, 9 bottoms of communicating pipe are provided with a control mechanism 10.

Specifically, the lubricator for the packing box of the oil well comprises a first packing box 1, a second packing box 2 and a polish rod 5, wherein the first packing box 1 and the second packing box 2 are respectively provided with a through groove 14, the polish rod 5 is arranged in the through groove 14 in a sliding manner and is arranged between the first packing box 1 and the second packing box 2 in a sliding manner, a mounting sleeve 3 is arranged between the first packing box 1 and the second packing box 2, the polish rod 5 is also arranged in the mounting sleeve 3 in a sliding manner, an oil storage tank 6 is arranged at the bottom of the first packing box 1, a communicating pipe 9 is arranged at the bottom of the oil storage tank 6, the communicating pipe 9 is communicated with the mounting sleeve 3 so as to conveniently convey lubricating oil into the mounting sleeve 3, a control mechanism 10 is arranged at the bottom of the communicating pipe 9 and is used for controlling the conveying of the lubricating oil into the mounting sleeve 3, and resource waste caused by excessive oil in the mounting sleeve 3 is prevented, or the oil quantity is too small to achieve the lubricating effect, and the practicability of the oil well packing box lubricator is improved.

Control mechanism 10 includes slide bar 1001, and slide bar 1001 slides and sets up in communicating pipe 9, is provided with a solid fixed ring 1002 on slide bar 1001, is provided with fixed plate 1003 on communicating pipe 9, is provided with a plurality of drive spring 1004 between solid fixed ring 1002 and the fixed plate 1003, and drive spring 1004 drives solid fixed ring 1002 and keeps away from fixed plate 1003, and the one end that slide bar 1001 kept away from fixed plate 1003 is provided with the radian.

Preferably, control mechanism 10 includes a sliding rod 1001, wherein sliding rod 1001 is slidably disposed inside communication pipe 9, and a diameter of sliding rod 1001 is slightly smaller than a diameter of communication pipe 9, when sliding rod 1001 slides inside communication pipe 9, a function of a connection plug is performed, a fixing plate 1003 is disposed on communication pipe 9, a plurality of driving springs 1004 are disposed between fixing ring 1002 and fixing plate 1003, driving springs 1004 drive fixing ring 1002 to be away from fixing plate 1003, i.e. under a function of driving springs 1004, sliding rod 1001 is away from communication pipe 9, under the function, lubricating oil is convenient to flow out from oil storage tank 6, an end of sliding rod 1001 away from fixing plate 1003 is provided with a radian to facilitate smooth rod 5 to abut against sliding rod 1001, during operation, smooth rod 5 slides inside mounting sleeve 3, when smooth rod 5 abuts against sliding rod 1001, sliding rod 1001 is now inside communication pipe 9, the sealing function is achieved, when the polished rod 5 is not abutted to the sliding rod 1001, the sliding rod 1001 is driven to slide out of the communicating pipe 9 under the elastic action of the driving spring 1004, and the lubricating oil enters the mounting sleeve 3 under the action of gravity; wherein the diameter of communicating pipe 9 is less, and the concentration of lubricating oil is higher, when slide bar 1001 is followed in communicating pipe 9 and slided out, can not cause a large amount of lubricating oil to enter into installation sleeve 3.

Be provided with mounting bracket 7 on the first packing box 1, the batch oil tank 6 passes through mounting bracket 7 to be installed on first packing box 1, is provided with a feed mechanism 8 on the 6 tops of batch oil tank.

Preferably, be provided with mounting bracket 7 on first packing box 1, the oil storage tank 6 passes through mounting bracket 7 to be installed on first packing box 1, and the installation of the oil storage tank 6 of being convenient for is provided with a feed mechanism 8 on 6 tops of oil storage tank, is convenient for to add lubricating oil raw materials in the oil storage tank 6.

The feeding mechanism 8 comprises a feeding pipe 801, a sealing plug 802 is slidably arranged at the bottom of the feeding pipe 801, a connecting plate 803 is arranged on the sealing plug 802, a connecting spring 804 is arranged between the connecting plate 803 and the top of the oil storage tank 6, and the elastic force of the connecting spring 804 drives the connecting plate 803 to be close to the top of the oil storage tank 6.

Preferably, a sealing plug 802 is slidably arranged at the bottom of the feeding pipe 801, a connecting plate 803 is arranged on the sealing plug 802, a connecting spring 804 is arranged between the connecting plate 803 and the top of the oil storage tank 6, and the elastic force of the connecting spring 804 drives the connecting plate 803 to be close to the top of the oil storage tank 6; when raw materials do not need to be added, the elastic force of the connecting spring 804 drives the connecting plate 803 to be close to the top of the oil storage tank 6, so that the sealing plug 802 is driven to be clamped in the feeding pipe 801, and external dust, impurities and the like are prevented from entering the oil storage tank 6, so that the raw materials in the oil storage tank 6 are prevented from going bad, and resource waste is caused; when needing to add the raw materials in the batch oil tank 6, promote sealing plug 802 downwards through advancing oil pipe, stretch coupling spring 804 when sealing plug 802 slides down for behind inlet pipe 801, alright with add the raw materials in the batch oil tank 6 after adding, coupling spring 804 resumes elastic deformation's process and drives connecting plate 803 and be close to inlet pipe 801, blocks up inlet pipe 801 once more, improves this batch oil tank 6's practicality.

Mounting grooves 4 are formed in the first packing box 1 and the second packing box 2, and packing 13 is arranged in each mounting groove 4.

Preferably, packing 13 when polished rod 5 slides with polished rod 5 butt, prevents that polished rod 5 from taking more lubricating oil out of installation sleeve 3 outside, avoids frequently with changing the packing, improves the practicality of this oil well packing box lubricator.

All be provided with internal thread 11 on first packing box 1 and the 2 inboards of second packing box, installation sleeve 3 top and bottom all are provided with external screw thread 12, every internal thread 11 respectively with the external screw thread 12 threaded connection who corresponds.

Preferably, all be provided with internal thread 11 on through first packing box 1 and the 2 inboards of second packing box, installation sleeve 3 top and bottom all are provided with external screw thread 12, every internal thread 11 respectively with the external screw thread 12 threaded connection who corresponds, be convenient for installation sleeve 3 and first packing box 1 and the installation and the dismantlement between the second packing box 2, be convenient for regularly overhaul the packing box and clear up, further improve the practicality of this oil well packing box lubricator.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. The utility model provides an oil well packing box lubricator, includes first packing box (1), second packing box (2) and polished rod (5), its characterized in that:

a mounting sleeve (3) is arranged between the first packing box (1) and the second packing box (2), through grooves (14) are formed in the first packing box (1) and the second packing box (2), and the polished rod (5) is arranged in the through grooves (14) in a sliding mode;

first packing box (1) bottom is provided with an oil storage tank (6), oil storage tank (6) bottom is provided with a communicating pipe (9), communicating pipe (9) switch on with installation sleeve (3), communicating pipe (9) bottom is provided with a control mechanism (10).

2. The oil well packing box lubricator of claim 1, wherein: the control mechanism (10) comprises a sliding rod (1001), the sliding rod (1001) is arranged in a communicating pipe (9) in a sliding mode, a fixing ring (1002) is arranged on the sliding rod (1001), a fixing plate (1003) is arranged on the communicating pipe (9), a plurality of driving springs (1004) are arranged between the fixing ring (1002) and the fixing plate (1003), and the driving springs (1004) drive the fixing ring (1002) to be far away from the fixing plate (1003);

and one end of the sliding rod (1001) far away from the fixing plate (1003) is provided with a radian.

3. The oil well packing box lubricator of claim 1, wherein: be provided with mounting bracket (7) on first packing box (1), install on first packing box (1) storage tank (6) through mounting bracket (7), be provided with a feed mechanism (8) on storage tank (6) top.

4. The oil well packing box lubricator of claim 3, wherein: the feeding mechanism (8) comprises a feeding pipe (801), a sealing plug (802) is arranged on the bottom of the feeding pipe (801) in a sliding mode, and a connecting plate (803) is arranged on the sealing plug (802);

a connecting spring (804) is arranged between the connecting plate (803) and the top of the oil storage tank (6), and the elastic force of the connecting spring (804) drives the connecting plate (803) to be close to the top of the oil storage tank (6).

5. The oil well packing box lubricator of claim 1, wherein: mounting grooves (4) are formed in the first packing box (1) and the second packing box (2), and each mounting groove (4) is internally provided with a packing (13).

6. The oil well packing box lubricator of claim 1, wherein: all be provided with internal thread (11) on first packing box (1) and second packing box (2) inboard, installation sleeve (3) top and bottom all are provided with external screw thread (12), every internal thread (11) respectively with external screw thread (12) threaded connection that corresponds.