CN210714668U

CN210714668U - Sealing mechanism for corrosion resistance of oil field logging alkali-resistant environment

Info

Publication number: CN210714668U
Application number: CN201921755218.2U
Authority: CN
Inventors: 郑兴
Original assignee: Dalian Zhengshi Rubber Co ltd
Current assignee: Dalian Zhengshi Rubber Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-09
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a sealing mechanism for alkaline environment corrodes of oil field logging, concretely relates to oil field logging equipment's sealed technical field, including the equipment body, a set of apron is installed to the side surface adaptation of equipment body, the end fixing of apron is provided with the one-level sealing member, fixed mounting has the limiting plate on the equipment body inner wall, limiting plate side surface embedding is provided with the second grade sealing member. The utility model discloses wholly adopt double-seal structural design, the one-level sealing member utilizes the cushion to make and fastens more between equipment body and the apron, plays the effect that the main seal, when the preceding takes place to leak, the second grade sealing member will protect it sealed, the pretension spring provides sealed early warning power, both combined action, the effectual sealed performance that improves between equipment body and the apron, avoided the inside alkaline gas that gets into of equipment body to lead to the corrosion, great extension its life.

Description

Sealing mechanism for corrosion resistance of oil field logging alkali-resistant environment

Technical Field

The utility model relates to a sealed technical field of oil field logging equipment, more specifically say, the utility model relates to a sealing mechanism that is used for alkaline environment of oil field logging to corrode.

Background

Along with the development of the society, a large amount of resources are lacked, oil needs to be exploited in an oil well, so that the use of technological products is met, and in the process of oil exploitation, logging equipment needs to be used for measuring the inside of the oil well, so that accurate exploitation is convenient to follow-up.

However, in actual use, the alkaline gas inside the oil well still leaks inwards due to the gap between the equipment and the cover plate, so that the inside of the equipment is damaged, and the service life of the equipment is shortened.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a sealing mechanism for oil field logging alkali-fast environmental corrosion, through having set up one-level sealing member and second grade sealing member, wholly adopt double containment structural design, the one-level sealing member utilizes the cushion to make and fastens more between equipment body and the apron, play the main sealed effect, when the preceding emergence is leaked, the second grade sealing member will protect it sealed, the pretension spring provides sealed early warning power, both combined action, the effectual sealed performance of improving between equipment body and the apron, avoided the inside alkaline gas that gets into of equipment body to lead to the corrosion, great extension its life.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing mechanism for alkali environment corrosion resistance in oil field logging comprises an equipment body and a cover plate, wherein a group of cover plates are installed on the side surface of the equipment body in a matched mode, a locking bolt is installed at the joint of the equipment body and the cover plate in an embedded mode, a protection piece is installed on the side surface of the cover plate, a primary sealing piece is fixedly arranged at the end portion of the cover plate, a limiting plate is fixedly installed on the inner wall of the equipment body, a secondary sealing piece is installed on the side surface of the limiting plate in an embedded mode, and an installation groove;

the primary sealing element comprises an elastic pad fixedly connected with the cover plate, an inclined end part is arranged at one end of the elastic pad, a clamping groove is formed in one end of the elastic pad, the position of the one end of the elastic pad, which is close to the lower part of the inclined end part, a first sealing pad is embedded and mounted in the clamping groove, a straight end part is arranged on the side surface of the elastic pad, and the first sealing pad is fixedly connected with the side surface of the limiting plate;

the secondary sealing element comprises a movable rod which is in sliding connection with a limiting plate, a pre-tightening spring is sleeved outside the movable rod, one end of the movable rod is fixedly provided with an end cap, the other end of the movable rod is fixedly provided with a pre-tightening pad, and the side surface of the pre-tightening pad is embedded with a second sealing pad.

In a preferred embodiment, the protection member includes a threaded seat fixedly connected to a side surface of the cover plate, a protective cover is disposed on one side of the threaded seat, a dry particle plate is mounted on an inner wall of the protective cover, and fastening pads are fixedly mounted at two ends of the dry particle plate.

In a preferred embodiment, the fastening pad on the dry particle plate is connected with the protective cover in a clamping manner, and the number of the dry particle plates is two.

In a preferred embodiment, the protective cover and the threaded seat are rotatably connected in a threaded manner, and both the protective cover and the threaded seat are made of plastic materials.

In a preferred embodiment, a fixing frame is fixedly mounted on a side surface of the device body, and a cable ring is fixedly arranged on the side surface of the fixing frame.

In a preferred embodiment, the cover plate is adapted to the device body, the cover plate is fixedly connected with the device body through a locking bolt, and a gasket is sleeved outside the locking bolt.

In a preferred embodiment, a protective pad is fixedly adhered to the outer surface of the cover plate.

The utility model discloses a technological effect and advantage:

1. the utility model discloses in through having set up primary seal spare and second grade sealing member, wholly adopt the design of dual seal structure, the primary seal spare utilizes the cushion to make between equipment body and the apron more fastening, play the effect of main seal, when the preceding takes place to leak, the second grade sealing member will protect it sealed, the pretension spring provides sealed early warning power, both combined action, the effectual sealed performance that improves between equipment body and the apron, avoided the inside alkaline gas that gets into of equipment body to lead to the corrosion, great extension its life;

2. the utility model discloses in through having set up the protection piece, utilize the safety cover and the screw thread seat of plastics material to form an airtight space, the drying characteristic of cooperation dry particle board can be with the humid air absorption in the inner space to protect locking bolt, avoided locking bolt to receive the phenomenon that the corrosion leads to people to be difficult to open, possessed better protection effect.

Drawings

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

Fig. 2 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic structural view of a portion B in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic structural view of a portion C in fig. 1 according to the present invention.

Fig. 5 is a schematic structural view of the protective cover of the present invention.

The reference signs are: 1 equipment body, 2 cover plates, 3 locking bolts, 4 protection pieces, 41 protection covers, 42 threaded seats, 43 dry particle plates, 44 fastening cushion blocks, 5 limiting plates, 6 primary sealing pieces, 61 elastic pads, 62 inclined end parts, 63 straight end parts, 64 clamping grooves, 65 first sealing gaskets, 7 secondary sealing pieces, 71 movable rods, 72 end caps, 73 pre-tightening springs, 74 pre-tightening gaskets, 75 second sealing gaskets and 8 mounting grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The sealing mechanism for alkali environment corrosion resistance in oil field logging as shown in fig. 1, fig. 3 and fig. 4 comprises an equipment body 1, a cover plate 2, a locking bolt 3, a protection member 4, a limiting plate 5, a primary sealing member 6 and a secondary sealing member 7, wherein a group of cover plates 2 are mounted on the side surface of the equipment body 1 in a matched manner, the locking bolt 3 is embedded and mounted at the joint of the equipment body 1 and the cover plate 2, the protection member 4 is mounted on the side surface of the cover plate 2, the primary sealing member 6 is fixedly arranged at the end part of the cover plate 2, the limiting plate 5 is fixedly mounted on the inner wall of the equipment body 1, the secondary sealing member 7 is embedded and mounted on the side surface of the limiting plate;

the primary sealing element 6 comprises an elastic pad 61 fixedly connected with the cover plate 2, an inclined end portion 62 is arranged at one end of the elastic pad 61, a clamping groove 64 is formed in a position, close to the lower position of the inclined end portion 62, at one end of the elastic pad 61, a first sealing gasket 65 is embedded and installed in the clamping groove 64, a straight end portion 63 is arranged on the side surface of the elastic pad 61, and the first sealing gasket 65 is fixedly connected with the side surface of the limiting plate 5;

the secondary sealing element 7 comprises a movable rod 71 slidably connected with the limiting plate 5, a pre-tightening spring 73 is sleeved outside the movable rod 71, an end cap 72 is fixedly mounted at one end of the movable rod 71, a pre-tightening pad 74 is fixedly mounted at the other end of the movable rod 71, and a second sealing pad 75 is arranged on the side surface of the pre-tightening pad 74 in an embedded mode.

The side surface of the equipment body 1 is fixedly provided with a fixing frame, and a cable ring is fixedly arranged on the side surface of the fixing frame.

The cover plate 2 is matched with the equipment body 1, the cover plate 2 is fixedly connected with the equipment body 1 through the locking bolt 3, and the gasket is sleeved outside the locking bolt 3, so that the cover plate 2 and the equipment body 1 are conveniently fixed.

And a protective pad is fixedly bonded on the outer surface of the cover plate 2, so that a heavy protective effect is provided.

The implementation mode is specifically as follows: in the implementation of the present invention, the cover plate 2 is aligned to the side surface of the device body 1, the inclined end 62 of the elastic pad 61 contacts with the inner wall of the device body 1, and after the contact, the elastic pad continues to be pressed inward, the straight end 63 on the elastic pad 61 will keep a relatively tight state with the inner wall of the device body 1, and is tightly clamped in the device body 1, the first sealing pad 65 on the limiting plate 5 will also be clamped in the clamping groove 64, and at the same time, the pre-tightening spring 73 on the movable rod 71 is in an inward tightening state, and tightly presses the pre-tightening pad 74 on the movable rod 71 against the side surface of the cover plate 2, wherein the second sealing pad 75 on the pre-tightening pad 74 contacts with the limiting plate 5 for sealing, the whole body adopts a dual-sealing structure design, the primary sealing element 6 utilizes the elastic pad 61 to make the device body 1 and the cover plate 2 more tight, and plays a role, when the preceding emergence was leaked, secondary seal spare 7 will protect it sealed, and pretension spring 73 provides sealed early warning power, and both combined action have effectually improved the sealed performance between equipment body 1 and the apron 2, have avoided the inside alkaline gas that gets into of equipment body 1 to lead to the corrosion, great extension its life.

As shown in fig. 1, fig. 2 and fig. 5, the sealing mechanism for alkali environment corrosion resistance in oilfield logging further includes a protection element 4, wherein the protection element 4 includes a threaded seat 42 fixedly connected to a side surface of the cover plate 2, a protection cover 41 is disposed on one side of the threaded seat 42, a dry particle plate 43 is mounted on an inner wall of the protection cover 41, and fastening pads 44 are fixedly mounted at two ends of the dry particle plate 43.

The fastening pad 44 on the dry particle plate 43 is connected with the protective cover 41 in a clamping manner, and two dry particle plates 43 are arranged.

The protective cover 41 is rotatably connected with the threaded seat 42 in a threaded manner, and the protective cover 41 and the threaded seat 42 are both made of plastic materials.

The implementation mode is specifically as follows: in implementing the utility model discloses the time, it is right on equipment body 1 to lap 2, both after the block each other, run through apron 2 and equipment body 1 with locking bolt 3 in proper order, screw up locking bolt 3 afterwards, place dry particle board 43 inside protection casing 41, fastening cushion 44 on the dry particle board 43 will directly contact with protection casing 41, thereby fix dry particle board 43, overlap protection casing 41 and rotate on screw thread seat 42, the safety casing 41 and the screw thread seat 42 of plastics material form an airtight space, the dry characteristic of cooperation dry particle board 43, can absorb the humid air in the inner space, thereby protect locking bolt 3, avoided locking bolt 3 to receive the phenomenon that the corrosion leads to people to be difficult to open, possess better protection effect.

The utility model discloses the theory of operation:

referring to the attached

drawings

1, 3 and 4 of the specification, a primary sealing element 6 and a secondary sealing element 7 are arranged, a double-sealing structure design is adopted integrally, the primary sealing element 6 utilizes an elastic pad 61 to enable the equipment body 1 and the cover plate 2 to be fastened more, a main sealing effect is achieved, when the front surface leaks, the secondary sealing element 7 can protect and seal the front surface, a pre-tightening spring 73 provides a sealing early warning force, the two parts act together, the sealing performance between the equipment body 1 and the cover plate 2 is effectively improved, the phenomenon that alkaline gas enters the equipment body 1 to cause corrosion is avoided, and the service life of the equipment body is greatly prolonged;

referring to the accompanying

drawings

1, 2 and 5 in the specification, by arranging the protection part 4, a closed space is formed by the protection cover 41 made of plastic and the threaded seat 42, and the protection part is matched with the drying characteristic of the drying particle plate 43, so that moist air in the inner space can be absorbed, the locking bolt 3 is protected, the phenomenon that the locking bolt 3 is difficult to open due to corrosion is avoided, and a good protection effect is achieved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sealing mechanism that is used for alkaline environment of oil field logging to corrode, includes equipment body (1), its characterized in that: a group of cover plates (2) are installed on the side surfaces of the equipment body (1) in an adaptive mode, locking bolts (3) are installed at the connecting positions of the equipment body (1) and the cover plates (2) in an embedded mode, a protection piece (4) is installed on the side surfaces of the cover plates (2), a primary sealing piece (6) is fixedly arranged at the end portions of the cover plates (2), a limiting plate (5) is fixedly installed on the inner wall of the equipment body (1), a secondary sealing piece (7) is installed on the side surfaces of the limiting plate (5) in an embedded mode, and a mounting groove (8) is formed;

the primary sealing element (6) comprises an elastic pad (61) fixedly connected with the cover plate (2), an inclined end portion (62) is arranged at one end of the elastic pad (61), a clamping groove (64) is formed in the position, close to the lower portion of the inclined end portion (62), of one end of the elastic pad (61), a first sealing pad (65) is embedded into the clamping groove (64), a straight end portion (63) is arranged on the side surface of the elastic pad (61), and the first sealing pad (65) is fixedly connected with the side surface of the limiting plate (5);

second grade sealing member (7) including with limiting plate (5) sliding connection's movable rod (71), the outside cover of movable rod (71) has pretension spring (73), movable rod (71) one end fixed mounting has end cap (72), movable rod (71) other end fixed mounting has pretension pad (74), pretension pad (74) side surface embedding is provided with the sealed pad (75) of second.

2. The sealing mechanism for alkali environment corrosion resistance in oil field logging according to claim 1, wherein: the protection piece (4) including with apron (2) side surface fixed connection's screw thread seat (42), screw thread seat (42) one side is provided with safety cover (41), install dry particle board (43) on safety cover (41) inner wall, the both ends fixed mounting of dry particle board (43) has fastening cushion (44).

3. The sealing mechanism for alkali environment corrosion resistance in oil field logging according to claim 2, wherein: the fastening cushion blocks (44) on the dry particle plates (43) are connected with the protective cover (41) in a clamping mode, and the number of the dry particle plates (43) is two.

4. The sealing mechanism for alkali environment corrosion resistance in oil field logging according to claim 2, wherein: the protective cover (41) is rotationally connected with the threaded seat (42) in a threaded mode, and the protective cover (41) and the threaded seat (42) are both members made of plastic materials.

5. The sealing mechanism for alkali environment corrosion resistance in oil field logging according to claim 1, wherein: the side surface of the equipment body (1) is fixedly provided with a fixing frame, and a cable ring is fixedly arranged on the side surface of the fixing frame.

6. The sealing mechanism for alkali environment corrosion resistance in oil field logging according to claim 1, wherein: the cover plate (2) is matched with the equipment body (1), the cover plate (2) is fixedly connected with the equipment body (1) through a locking bolt (3), and a gasket is sleeved outside the locking bolt (3).

7. The sealing mechanism for alkali environment corrosion resistance in oil field logging according to claim 6, wherein: and a protective pad is fixedly bonded on the outer surface of the cover plate (2).