CN210264575U - Bolt locking type centralizer stop ring - Google Patents
Bolt locking type centralizer stop ring Download PDFInfo
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- CN210264575U CN210264575U CN201921246347.9U CN201921246347U CN210264575U CN 210264575 U CN210264575 U CN 210264575U CN 201921246347 U CN201921246347 U CN 201921246347U CN 210264575 U CN210264575 U CN 210264575U
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- lateral wall
- retaining ring
- semi
- centralizer
- safety cover
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Abstract
The utility model discloses a bolt locking formula centralizer retaining ring, including two semi-circular retaining rings, two the one end of semi-circular retaining ring is rotated through the pivot and is connected, two the one end that the pivot was kept away from to semi-circular retaining ring is passed through the bolt and is connected, two the lateral wall that the pivot was kept away from to semi-circular retaining ring is equipped with the safety cover, the recess that matches with the safety cover is seted up to semi-circular retaining ring's lateral wall, the equal sliding connection of both sides lateral wall of safety cover has the movable block, the lower extreme lateral wall of movable block is rotated through torque spring and is connected with the swinging arms, the mounting groove has all been seted up to the both sides lateral wall of safety cover, the diapire of mounting groove passes through reset spring fixedly connected with kelly, the lateral wall sliding connection of kelly and mounting groove, the. The utility model discloses a safety cover can play good guard action to bolt and nut, conveniently installs the dismantlement.
Description
Technical Field
The utility model relates to a centralizer technical field especially relates to a bolt locking formula centralizer retaining ring.
Background
Centralizers of various specifications are one of the most common tools in current well cementation construction, and have the main function of ensuring that a casing is centered in a shaft so as to improve the well cementation quality. At present, the centralizer is generally directly sleeved between two collars of a casing for use, and a stop ring is utilized to limit the centralizer, so that the centralizer can stably work.
Among the prior art, the snap ring is when spacing to the centralizer, locks it through bolt and nut, but the operational environment of centralizer is abominable, can corrode bolt and nut to cause the damage to bolt and nut, inconvenient dismantlement, for this reason, we provide a bolt locking formula centralizer snap ring and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art that the operational environment of centralizer is abominable, can corrode the bolt nut to cause the damage to bolt and nut, the problem of inconvenient dismantlement, and the bolt locking formula centralizer retaining ring that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bolt locking type centralizer stop ring comprises two semicircular stop rings, one ends of the two semicircular stop rings are rotatably connected through a rotating shaft, the ends, far away from the rotating shaft, of the two semicircular stop rings are connected through a bolt and a nut, a protective cover is arranged on the side wall, far away from the rotating shaft, of the two semicircular stop rings, the side wall of the semicircular stop ring is provided with a groove matched with the protective cover, the side walls of the two sides of the protective cover are both connected with movable blocks in a sliding way, the side wall of the lower end of the movable block is rotationally connected with a swinging rod through a torsion spring, the side walls of the two sides of the protective cover are both provided with mounting grooves, the bottom wall of the mounting groove is fixedly connected with a clamping rod through a return spring, the clamping rod is connected with the side wall of the mounting groove in a sliding manner, the lateral wall of recess is seted up the draw-in groove that matches with the kelly, the one end that torsion spring was kept away from to the swinging arms rotates with the lateral wall of kelly to be connected.
Preferably, the both sides lateral wall of safety cover has all seted up the spacing groove, fixedly connected with gag lever post between the both sides lateral wall of spacing groove, sliding sleeve is equipped with the sliding sleeve on the gag lever post, the upper end lateral wall fixed connection of upper end lateral wall through extension spring and spacing groove of sliding sleeve, the lateral wall of sliding sleeve and the lateral wall fixed connection of movable block.
Preferably, the side wall of the upper end of the movable block is fixedly connected with a pull rod, and the pull rod penetrates through an opening of the groove.
Preferably, arc-shaped grooves are formed in the side walls, away from the rotating shaft, of the two semicircular stop rings, arc-shaped baffles are arranged between the two arc-shaped grooves, and the two ends of each arc-shaped baffle are fixedly connected with the bottom walls of the arc-shaped grooves through two compression springs respectively.
Preferably, the material of the protective cover is transparent plastic.
Preferably, the inner walls of the two semicircular stop rings are provided with a plurality of anti-slip threads.
Preferably, a chamfer is arranged on the side wall of the clamping rod close to the clamping groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the clamping rod can be tightly clamped into the clamping groove through the matching of the swinging rod, the return spring and the like, so that the protective cover is ensured not to fall off from the stop ring in the working process of the centralizer, a good protective effect is achieved on the bolt and the nut, the service life of the bolt and the nut is prolonged, and the burden of workers is relieved;
2. the sliding sleeve is limited through the extension spring, so that the sliding sleeve is limited to the position of the movable block, the clamping rod can be stably clamped into the clamping groove, in addition, the movable block can be easily driven to move through the pull rod, time and labor are saved, and the arc baffle plate can block dust to prevent the dust from entering the bolt and the nut between the two semicircular stop rings.
Drawings
Fig. 1 is a schematic structural view of a bolt-locking type centralizer retaining ring provided by the present invention;
fig. 2 is a schematic structural diagram at a in fig. 1.
In the figure: 1 semicircular stop ring, 2 bolts, 3 nuts, 4 protective covers, 5 movable blocks, 6 torsion springs, 7 swinging rods, 8 return springs, 9 clamping rods, 10 limiting rods, 11 sliding sleeves, 12 extension springs, 13 pull rods, 14 arc-shaped baffle plates and 15 compression springs.
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.
Referring to fig. 1-2, a bolt locking type centralizer retaining ring comprises two semicircular retaining rings 1, the inner walls of the two semicircular retaining rings 1 are provided with a plurality of anti-slip threads, so as to play a better limiting role for a sleeve, the side walls of the two semicircular retaining rings 1 far away from a rotating shaft are both provided with arc-shaped grooves, an arc-shaped baffle plate 14 is arranged between the two arc-shaped grooves, two ends of the arc-shaped baffle plate 14 are respectively fixedly connected with the bottom walls of the arc-shaped grooves through two compression springs 15, dust can be blocked by the arc-shaped baffle plate 14 and prevented from entering a bolt 2 nut 3 from between the two semicircular retaining rings 1, one ends of the two semicircular retaining rings 1 are rotatably connected through the rotating shaft, one ends of the two semicircular retaining rings 1 far away from the rotating shaft are connected with the nut 3 through the bolt 2, the side walls of the two semicircular retaining rings 1 far away from the, the price is low, and the concrete conditions of the bolt 2 and the nut 3 are convenient to observe;
both side walls of the two sides of the protective cover 4 are provided with limiting grooves, a limiting rod 10 is fixedly connected between the two side walls of the limiting groove, a sliding sleeve 11 is sleeved on the limiting rod 10 in a sliding manner, the upper end side wall of the sliding sleeve 11 is fixedly connected with the upper end side wall of the limiting groove through an extension spring 12, the side wall of the sliding sleeve 11 is fixedly connected with the side wall of the movable block 5, the sliding sleeve 11 is limited through the extension spring 12, further, the position of the movable block 5 is limited by the sliding sleeve 11, so that the clamping rod 9 can be stably clamped into the clamping groove, the side wall of the semicircular stop ring 1 is provided with a groove matched with the protective cover 4, both side walls of the two sides of the protective cover 4 are respectively connected with the movable block 5 in a sliding manner, the upper end side wall of the movable block 5 is fixedly connected with a pull rod 13, the pull rod 13 penetrates through an opening of, the mounting groove has all been seted up to the both sides lateral wall of safety cover 4, and the diapire of mounting groove passes through 8 fixedly connected with kelly 9 of reset spring, and the lateral wall that kelly 9 is close to the draw-in groove is equipped with the chamfer and conveniently inserts the draw-in groove like this, and the draw-in groove that matches with kelly 9 is seted up to the lateral wall of kelly 9 and the lateral wall sliding connection of mounting groove, and torsion spring 6 was kept away from to swinging arms 7 one end is rotated with the lateral wall of kelly 9.
The utility model discloses when needs are dismantled two semi-circular retaining ring 1, pulling pull rod 13, pull rod 13 drives sliding sleeve 11 and movable block 5 and rises, sliding sleeve 11 compression extension spring 12, and movable block 5 drives the one end of swinging arms 7 and rises, the other end of swinging arms 7 drives kelly 9 and removes, thereby make kelly 9 break away from the draw-in groove, just so can take out safety cover 4 from the recess, convenient and fast, can play good guard action to bolt 2 and nut 3, even in abominable operational environment, also can have longer life, convenient dismantlement, can alleviate staff's burden, and utilize reset spring 8 during the installation, the restriction of torque spring 6 and extension spring 12 etc., make safety cover 4 vibrations also can not follow semi-circular retaining ring 1 and drop down, and is simple and violent.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a bolt locking formula centralizer retaining ring, includes two semi-circular retaining ring (1), two the one end of semi-circular retaining ring (1) is rotated through the pivot and is connected, two the one end that the pivot was kept away from to semi-circular retaining ring (1) is connected through bolt (2) and nut (3), its characterized in that, two the lateral wall that the pivot was kept away from to semi-circular retaining ring (1) is equipped with safety cover (4), the recess that matches with safety cover (4) has been seted up to the lateral wall of semi-circular retaining ring (1), the both sides lateral wall of safety cover (4) all sliding connection has movable block (5), the lower extreme lateral wall of movable block (5) rotates through torsion spring (6) and is connected with swinging arms (7), the mounting groove has all been seted up to the both sides lateral wall of safety cover (4), the diapire of mounting groove passes through reset spring (8) fixedly, the lateral wall sliding connection of kelly (9) and mounting groove, the draw-in groove that matches with kelly (9) is seted up to the lateral wall of recess, torsion spring (6) was kept away from in swinging arms (7) one end is rotated with the lateral wall of kelly (9) and is connected.
2. The bolt locking type centralizer retaining ring according to claim 1, wherein both side walls of the protective cover (4) are provided with limiting grooves, a limiting rod (10) is fixedly connected between the side walls of the limiting grooves, a sliding sleeve (11) is slidably sleeved on the limiting rod (10), the upper end side wall of the sliding sleeve (11) is fixedly connected with the upper end side wall of the limiting groove through an extension spring (12), and the side wall of the sliding sleeve (11) is fixedly connected with the side wall of the movable block (5).
3. The bolted locking type centralizer check ring according to claim 1, characterized in that a pull rod (13) is fixedly connected to the upper end side wall of the movable block (5), and the pull rod (13) penetrates through the opening of the groove.
4. The bolt locking type centralizer retaining ring according to claim 1, characterized in that arc-shaped grooves are formed in the side walls, away from the rotating shaft, of the two semicircular retaining rings (1), an arc-shaped baffle (14) is arranged between the two arc-shaped grooves, and two ends of the arc-shaped baffle (14) are fixedly connected with the bottom walls of the arc-shaped grooves through two compression springs (15) respectively.
5. A bolted-lock centralizer stop ring according to claim 1, characterized in that the protective cover (4) is made of transparent plastic.
6. The bolted locking centralizer check ring according to claim 1, characterized in that the inner walls of both said semicircular check rings (1) are provided with a plurality of anti-slip threads.
7. The bolted locking centralizer snap ring of claim 1, characterized in that the side walls of the clamping bar (9) close to the clamping groove are chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921246347.9U CN210264575U (en) | 2019-08-03 | 2019-08-03 | Bolt locking type centralizer stop ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921246347.9U CN210264575U (en) | 2019-08-03 | 2019-08-03 | Bolt locking type centralizer stop ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210264575U true CN210264575U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921246347.9U Active CN210264575U (en) | 2019-08-03 | 2019-08-03 | Bolt locking type centralizer stop ring |
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| CN (1) | CN210264575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963078A (en) * | 2020-10-23 | 2020-11-20 | 胜利油田固邦石油装备有限责任公司 | Limiting device of casing centralizer |
-
2019
- 2019-08-03 CN CN201921246347.9U patent/CN210264575U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963078A (en) * | 2020-10-23 | 2020-11-20 | 胜利油田固邦石油装备有限责任公司 | Limiting device of casing centralizer |
| CN111963078B (en) * | 2020-10-23 | 2020-12-15 | 胜利油田固邦石油装备有限责任公司 | Limiting device of casing centralizer |
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