CN220253567U - Bidirectional pressure-bearing electric connection device for petroleum underground instrument - Google Patents

Abstract

The utility model discloses a bidirectional pressure-bearing electric connection device for petroleum underground instruments, which relates to the technical field of petroleum instrument tools and comprises a multi-core shell, wherein a plurality of groups of multi-core assemblies are arranged in the multi-core shell, contact pins are arranged on two sides of the multi-core shell, a multi-core cover plate is arranged on one side of the multi-core shell, a fixed disc is fixedly sleeved on the outer side of the multi-core cover plate, a transmission cavity is formed in the fixed disc, and a gear ring is slidably connected in the transmission cavity.

Description

Bidirectional pressure-bearing electric connection device for petroleum underground instrument

Technical Field

The utility model relates to the technical field of petroleum instrument tools, in particular to a bidirectional pressure-bearing electric connection device for petroleum underground instruments.

Background

Along with the continuous exhaustion of petroleum resources, the exploitation difficulty of petroleum is continuously increased, and the indexes such as the external environment temperature, the external environment pressure and the like of the instrument work are continuously increased, so that the underground petroleum instrument and tool are required to normally work in more complex and more severe environments. There is a need for a bi-directional piezoelectric connection for use with downhole logging tools and tools. According to the bidirectional pressure-bearing electric connection device for the petroleum underground instrument with the application number of CN204163710U, the bidirectional pressure-bearing electric connection device has the advantages of high safety and reliability, simplicity in operation, convenience in maintenance and low price, and can effectively protect most instruments from being damaged when leakage occurs in instrument strings while ensuring normal communication work between the upper instrument and the lower instrument. Thereby greatly improving the working safety of the underground instrument. However, the multi-core device of the multiple groups is arranged on the multi-core shell, then the multi-core cover plate is pressed on the multi-group needle core device through the screws, tools such as screwdrivers and the like are needed to be used, the screws can be screwed, the multi-core cover plate can be fixed, additional tools are needed to be carried, and meanwhile more screws are needed to be screwed, so that the multi-core cover plate is inconvenient to fix and detach.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a bidirectional pressure-bearing electric connection device for petroleum underground instruments, which solves the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a petroleum is bi-directional pressure-bearing electric connection device for instrument in pit, includes the multicore casing, the internally mounted of multicore casing has multiunit multicore subassembly, the contact pin is all installed to the both sides of multicore casing, the multicore apron has been placed to one side of multicore casing, the outside fixed cover of multicore apron is equipped with the fixed disk, the transmission chamber has been seted up to the fixed disk inside, the inside sliding connection of transmission chamber has the ring gear, a plurality of spread groove has been seted up to the inside of fixed disk and is located the outside of transmission chamber, one side of spread groove inner chamber all rotates and is connected with the threaded rod, the one end of threaded rod all extends to the transmission intracavity portion, the transmission intracavity chamber just is located the one end of threaded rod and all rotates and be connected with the dwang, the bevel gear of meshing is all overlapped in the outside of dwang and threaded rod, the outside all fixed cover of dwang is equipped with second drive gear, the outside of threaded rod all threaded connection has the draw-in post, the inside and the one end that is located the draw-in post all has been seted up the draw-in groove, the one end of draw-in post all extends to the draw-in groove inside.

Preferably, the transmission cavity is internally and is positioned at the inner side of the gear ring to be rotationally connected with a transmission rod, a first transmission gear is fixedly sleeved on the outer side of the transmission rod, and one end of the transmission rod extends to the outer side of the fixed disc.

Preferably, the inner side of the gear ring is provided with a plurality of internal tooth grooves, and the outer side of the gear ring is provided with a plurality of external tooth grooves.

Preferably, an annular groove is formed in the fixed disc and located on one side of the transmission cavity, a plurality of sliding blocks are connected in the annular groove in a sliding mode, and one ends of the sliding blocks extend to the inside of the transmission cavity and are connected with one side of the gear ring.

Preferably, the shape and the size of the inner cavity of the clamping groove are matched with the shape and the size of one end of the clamping column.

Preferably, the second transmission gear is matched with the external tooth groove, and the first transmission gear is matched with the internal tooth groove.

The utility model provides a bidirectional pressure-bearing electric connection device for petroleum underground instruments, which comprises the following components

The beneficial effects are that:

1. this oil is bi-directional pressure-bearing electric connecting device for instrument in pit, through being provided with the threaded rod, draw-in post and ring gear, install the multicore subassembly on the multicore casing, then place the multicore apron on one side of multicore casing, then operating personnel rotates the transfer line, make the transfer line pass through first drive gear and internal tooth groove drive ring gear remove, make the ring gear pass through outer tooth groove drive second drive gear and rotate, make the second drive gear pass through the transfer line drive bevel gear and rotate, make the bevel gear pass through the threaded rod drive draw-in post and remove, make the one end of draw-in post insert to the draw-in groove inside, thereby fix the multicore apron, and then press fit the multicore subassembly on the multicore casing through the multicore apron, need not to carry other instruments, can install on the multicore casing to the multicore apron, or remove the multicore apron from the multicore casing fixedly, simultaneously through rotating a transfer line, can drive the polylith draw-in post and remove, thereby it is comparatively convenient to make the fixation and dismantlement of multicore apron.

2. This oil is bi-directional pressure-bearing electric connecting device for instrument in pit through being provided with slider, ring channel and ring gear, when operating personnel rotated the transfer line, first drive gear was through interior tooth's socket drive ring gear circular movement for the ring gear drives the slider and slides along the ring channel is inside, can carry out spacingly to the position of ring gear, thereby can make the ring gear rotate through outer tooth's socket drive second drive gear, and then drive card post removes, fixes the multicore apron or releases the multicore apron.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the ring gear of the present utility model;

fig. 3 is an enlarged view of the utility model at a of fig. 1.

In the figure: 1. a multi-core housing; 2. a multi-core assembly; 3. a multi-core cover plate; 4. a fixed plate; 5. a transmission cavity; 6. a gear ring; 7. a transmission rod; 8. a first transmission gear; 9. a rotating lever; 10. bevel gears; 11. a second transmission gear; 12. a connecting groove; 13. a threaded rod; 14. a clamping column; 15. a clamping groove; 16. an inner spline; 17. an outer spline; 18. an annular groove; 19. a slide block; 20. and (5) inserting pins.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a petroleum is bi-directional pressure-bearing electric connection device for instrument in pit, including multicore casing 1, multicore casing 1 internally mounted has multiunit multicore subassembly 2, contact pin 20 is all installed to multicore casing 1's both sides, multicore apron 3 has been placed to multicore casing 1's one side, multicore apron 3's outside fixed cover is equipped with fixed disk 4, drive chamber 5 has been seted up to the inside transmission chamber 5 of fixed disk 4, drive chamber 5 inside sliding connection has ring gear 6, a plurality of spread groove 12 has been seted up to the inside fixed disk 4 and is located drive chamber 5's the outside, one side of spread groove 12 inner chamber is all rotated and is connected with threaded rod 13, threaded rod 13's one end all extends to drive chamber 5 inside, drive chamber 5 inner chamber and be located threaded rod 13's one end and all rotate and be connected with dwang 9, dwang 9 and threaded rod 13's outside all overlap and be equipped with engaged with bevel gear 10, the outside all fixed cover of dwang 9 is equipped with second drive gear 11, 13's outside all screw thread connection has draw-in post 14, multicore casing 1 is inside and be located draw-in post 14's one end all has been seted up draw-in groove 15.

The inside of transmission chamber 5 and be located the inboard rotation of ring gear 6 and be connected with transfer line 7, transfer line 7's the fixed cover in the outside is equipped with first drive gear 8, transfer line 7's one end extends to the outside of fixed disk 4, operating personnel makes ring gear 6 remove through transfer line 7, and then can drive threaded rod 13 rotation, fix or remove fixedly multicore apron 3, a plurality of internal tooth groove 16 has been seted up to ring gear 6's inboard, a plurality of external tooth groove 17 has been seted up in ring gear 6's the outside, in order to drive ring gear 6 through first drive gear 8 and remove, make ring gear 6 drive transfer line 9 through second drive gear 11 rotate, and then drive a plurality of threaded rods 13 drive draw-in post 14 and remove, fix or remove fixedly multicore apron 3, the shape size of draw-in groove 15 inner chamber all matches with the shape size of draw-in post 14 one end, thereby fix multicore apron 3, second drive gear 11 cooperatees with external tooth groove 17, first drive gear 8 cooperatees with internal tooth groove 16, transfer line 7 cooperatees with internal tooth groove 16 through a plurality of internal tooth grooves 6, through the cooperation of tooth groove 6 and external tooth groove 17, outer gear 11 of drive gear 11 and the cooperation through a plurality of tooth groove 6.

Example two

Referring to fig. 1 to 2, the present utility model provides a technical solution: an annular groove 18 is formed in the fixed disc 4 and positioned at one side of the transmission cavity 5, a plurality of sliding blocks 19 are slidably connected in the annular groove 18, one ends of the sliding blocks 19 extend into the transmission cavity 5 and are connected with one side of the gear ring 6, the first transmission gear 8 drives the gear ring 6 to perform circumferential movement through the inner tooth grooves 16, so that the gear ring 6 drives the sliding blocks 19 to slide along the annular groove 18 so as to limit the gear ring 6,

in sum, this oil is bi-directional pressure-bearing electric connection device for instrument in pit, when using, can install multicore subassembly 2 on multicore casing 1, then place multicore apron 3 on multicore casing 1's one side, then operating personnel rotates transfer line 7, make transfer line 7 drive ring gear 6 through first transfer gear 8 and interior tooth groove 16 and remove, make ring gear 6 drive second transfer gear 11 rotation through outer tooth groove 17, make second transfer gear 11 drive bevel gear 10 rotation through dwang 9, make bevel gear 10 drive card post 14 through threaded rod 13 remove, make the one end of card post 14 insert to draw-in groove 15 inside, thereby fix multicore apron 3, and then rotate transfer line 7 through multicore apron 3 pressfitting multicore subassembly 2 on multicore casing 1, when needs to dismantle, make transfer line 7 drive ring gear 6 through first transfer gear 8 reset and remove, at this moment ring gear 6 drive dwang 9 rotate through second transfer gear 11, make bevel gear 10 drive threaded rod 13 rotate, make the one end of card post 14 remove inside draw-in groove 15, thereby can take out the same principle with multicore subassembly 2 from the multicore apron 3 and multicore apron 1 from the multicore reel 2, thereby take out the multicore subassembly with the multicore reel 2 is identical with the multicore reel 1's principle.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a petroleum is bi-directional pressure-bearing electric connection device for instrument in pit, includes multicore casing (1), its characterized in that: the utility model discloses a multi-core assembly structure, including multicore casing (1), multicore cover board (3), fixed cover in the outside of multicore cover board (3) is equipped with fixed disk (4), transmission chamber (5) have been seted up to fixed disk (4) inside, transmission chamber (5) inside sliding connection has ring gear (6), a plurality of spread groove (12) have been seted up in the inside outside that just is located transmission chamber (5) of fixed disk (4), one side of spread groove (12) inner chamber all rotates and is connected with threaded rod (13), one end of the threaded rod (13) extends into the transmission cavity (5), one end of the transmission cavity (5) which is positioned in the threaded rod (13) is rotationally connected with the rotating rod (9), the outer sides of the rotating rod (9) and the threaded rod (13) are sleeved with meshed bevel gears (10), the outer sides of the rotating rod (9) are fixedly sleeved with second transmission gears (11), the outer sides of the threaded rod (13) are connected with clamping columns (14) in a threaded manner, one ends of the inner parts of the multi-core shells (1) and positioned in the clamping columns (14) are provided with clamping grooves (15), one end of each clamping column (14) extends to the inside of each clamping groove (15).

2. The bi-directional pressure-bearing electrical connection device for a petroleum downhole tool according to claim 1, wherein: the transmission cavity (5) is inside and be located the inboard rotation of ring gear (6) and be connected with transfer line (7), the outside fixed cover of transfer line (7) is equipped with first drive gear (8), the one end of transfer line (7) extends to the outside of fixed disk (4).

3. The bi-directional pressure-bearing electrical connection device for a petroleum downhole tool according to claim 1, wherein: the inner side of the gear ring (6) is provided with a plurality of internal tooth grooves (16), and the outer side of the gear ring (6) is provided with a plurality of external tooth grooves (17).

4. The bi-directional pressure-bearing electrical connection device for a petroleum downhole tool according to claim 1, wherein: the fixed disk (4) is inside and is located one side of transmission chamber (5) and has seted up ring channel (18), the inside sliding connection of ring channel (18) has a plurality of slider (19), the one end of slider (19) all extends to transmission chamber (5) inside and is connected with one side of ring gear (6).

5. The bi-directional pressure-bearing electrical connection device for a petroleum downhole tool according to claim 1, wherein: the shape and the size of the inner cavity of the clamping groove (15) are matched with those of one end of the clamping column (14).

6. The bi-directional pressure-bearing electrical connection device for petroleum downhole instruments according to claim 2, wherein: the second transmission gear (11) is matched with the external tooth groove (17), and the first transmission gear (8) is matched with the internal tooth groove (16).