CN220203820U - Quick disassembling tool for drilling tool - Google Patents

Abstract

The utility model discloses a quick dismounting tool for a drilling tool, which comprises a limiting ring, a sliding block fixed in the limiting ring slides in a sliding groove on a sleeve and compresses a spring when a drill bit is replaced and dismounted, a clamping bead positioned in a first accommodating groove is separated from the clamping groove and rolls into a second accommodating groove during sliding, a sleeve rod can be taken out from the sleeve when the clamping bead is separated from the clamping groove, the drill bit is dismounted, the limiting ring slides upwards when the drill bit is replaced, the clamping bead rolls into the second accommodating groove, at the moment, the sleeve rod on the drill bit is inserted into a through hole, the spring rebounded limiting ring moves towards one end close to the drill bit, one end of the second accommodating groove contacts with the arc-shaped edge of the clamping bead while the sliding block moves, the clamping bead is pushed to roll into the first accommodating groove, one end of the clamping bead protrudes out of the first accommodating groove and is clamped with the clamping groove on the sleeve rod, and the other end of the clamping bead cannot move under the propping of the sliding block when the clamping bead is clamped with the clamping groove, and the drill bit is limited, and the drill bit is mounted.

Description

Quick disassembling tool for drilling tool

Technical Field

The utility model belongs to the technical field of drilling tools, and particularly relates to a rapid disassembly tool for a drilling tool.

Background

The geological exploration is to survey the geology through a drilling tool and drill the geology through a drill bit to determine a proper bearing layer, then the foundation type of the geology is determined according to the foundation bearing capacity of the bearing layer, the drilling technology is used as one of the geological exploration, and the foundation parameters of the geology can be calculated.

Currently, the drilling tool includes drilling tool body, drill bit and the baffle of welding on the drilling tool body, the drill bit passes through bolted connection with the drilling tool body bottom, through the drill bit to the rock stratum boring, the geological exploration in-process needs to use different drilling tools to different geology, need dismantle the drill bit simultaneously and take out the rock core pipe in the drilling tool when taking a sample, take a sample to the geological sample in the rock core pipe, need frequent to connect the drill bit, and because the wearing degree of drill bit is related with the change of rock stratum, so need the irregular change drill bit, however current drilling tool generally uses the bolt fastening drill bit, time and energy are wasted in the in-process of frequently connecting the change drill bit, the convenience when greatly reduced the tear-down drilling tool.

Disclosure of Invention

The utility model aims to provide a rapid disassembly tool for a drilling tool, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a drilling tool quick detach connects instrument, includes the sleeve pipe and the drill bit that cup joints with the sleeve pipe, the through-hole has been seted up at the sleeve pipe middle part, the sleeve pipe lower part slip has cup jointed the spacing ring, the spout has been seted up with spacing ring cup joint department in through-hole both sides, spacing ring both sides all are equipped with sliding block and spout sliding connection, every group the other end and the sleeve pipe fixed connection of the equal fixedly connected with spring of sliding block and spring, sleeve pipe both sides and cup joint department with the spacing ring and have seted up first holding tank, be equipped with the card pearl in the first holding tank and the one end protrusion first holding tank that the card pearl is close to the through-hole, drill bit top fixedly connected with loop bar, loop bar lower part both sides are equipped with the draw-in groove, after loop bar and through-hole matched grafting, pass through card pearl and draw-in groove matched joint to the loop bar.

Preferably, a second accommodating groove is formed in one end, close to the clamping beads, of each group of sliding blocks.

Preferably, the bottom of the sleeve is provided with a plurality of positioning grooves, and a plurality of positioning columns are arranged at the top of the drill bit and positioned on the outer side face of the loop bar.

Preferably, the positioning column is matched and spliced with the positioning groove.

Preferably, the surface of the sleeve is provided with two groups of fixing holes, the surface of the limiting ring is provided with bolts, and the bolts are matched with the fixing holes and are in threaded connection and fixation.

Preferably, the top of the sleeve is provided with connecting threads.

The utility model has the technical effects and advantages that: the quick dismounting tool for the drilling tool comprises a sleeve and a drilling bit sleeved with the sleeve, wherein when the drilling bit is replaced and dismounted, a limiting ring slides rightwards, a sliding block fixed in the limiting ring slides in a chute on the sleeve and compresses a spring, a clamping bead positioned in a first accommodating groove is separated from the clamping groove and rolls into a second accommodating groove during sliding, when the clamping bead is separated from the clamping groove, a sleeve rod can be taken out from the sleeve, the drilling bit is dismounted, when the drilling bit is replaced, the limiting ring slides rightwards, the clamping bead rolls into the second accommodating groove, at the moment, the sleeve rod on the drilling bit is inserted into a through hole, one end of the spring rebound limiting ring moves towards one end close to the drilling bit, one end of the sliding block contacts with the arc-shaped edge of the clamping bead while moving, the clamping bead is pushed to roll into the first accommodating groove, one end of the clamping bead protrudes out of the first accommodating groove and is clamped with the clamping groove on the sleeve rod, and when the clamping bead is clamped with the clamping groove, the other end of the clamping bead cannot move under the abutting of the sliding block, and the sleeve rod is limited, and the installation of the drilling bit is completed;

the locating slot at the bottom of the sleeve is matched and spliced with the locating column at the top of the drill bit, and the drill bit can be ensured to be aligned with the mounting position of the sleeve correctly by inserting the locating column at the top of the drill bit into the locating slot, so that the stable position can be maintained, and the drill bit can not be moved in the drilling process.

Drawings

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

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic view of the structure of the drill bit of the present utility model after being fixed;

FIG. 4 is a schematic view of the drill bit of the present utility model

Fig. 5 is an enlarged view of fig. 4 at a in accordance with the present utility model.

In the figure: 1. a sleeve; 101. a first accommodation groove; 2. a drill bit; 3. a through hole; 4. a limiting ring; 5. a chute; 6. a sliding block; 7. a spring; 8. clamping beads; 9. a loop bar; 10. a clamping groove; 11. a second accommodation groove; 12. a positioning groove; 13. positioning columns; 14. a connecting thread; 15. touching the end; 16. an arcuate edge; 17. a fixing hole; 18. and (5) a bolt.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a quick-dismantling tool for drilling tools, which is shown in fig. 1-5, and comprises a sleeve 1 and a drill bit 2 sleeved with the sleeve 1, wherein a through hole 3 is formed in the middle of the sleeve 1, a limiting ring 4 is sleeved at the lower part of the sleeve 1 in a sliding manner, sliding grooves 5 are formed at the two sides of the through hole 3 and the sleeved part of the limiting ring 4, sliding blocks 6 are arranged at the two sides of the limiting ring 4 and are in sliding connection with the sliding grooves 5, springs 7 are fixedly connected to each sliding block 6, the other ends of the springs 7 are fixedly connected with the sleeve 1, first accommodating grooves 101 are formed at the two sides of the sleeve 1 and the sleeved part of the limiting ring 4, clamping beads 8 are arranged in the first accommodating grooves 101, one ends of the clamping beads 8, close to the through hole 3, protrude out of the first accommodating grooves 101 and are clamped with clamping grooves 10 on a sleeve 9, the tops of the drill bit 2 are fixedly connected with the sleeve 9, clamping grooves 10 are formed at the two sides of the lower part of the sleeve 9, and after the sleeve 9 is matched with the through hole 3, the clamping grooves 8 are matched with the clamping grooves 10, and the clamping beads 9 are matched with the clamping grooves 10 to be spliced.

And one end of each group of sliding blocks 6, which is close to the clamping beads 8, is provided with a second accommodating groove 11, and the clamping beads 8 can roll into the second accommodating grooves 11 after being separated from the clamping connection.

A plurality of positioning grooves 12 are formed in the bottom of the sleeve 1, and a plurality of positioning columns 13 are arranged at the top of the drill bit 2 and positioned on the outer side face of the loop bar 9.

The positioning column 13 is matched and spliced with the positioning groove 12.

The surface of the sleeve 1 is provided with two groups of fixing holes 17, the surface of the limiting ring 4 is provided with bolts 18, the bolts 18 are matched with the fixing holes 17 in a screwed manner to be fixed, as shown in fig. 3, when the drill bit 2 is fixed, the limiting ring 4 is fixed through the bolts 18 and the fixing holes 17 in the first position of the sleeve 1 in a screwed manner to prevent the limiting ring 4 from moving due to collision, and when the drill bit 2 is dismounted, the limiting ring 4 can be screwed with the fixing holes 17 in the second position of the sleeve 1 through the bolts 18, so that the limiting ring 4 is fixed, and the sleeve rod 9 on the drill bit 2 can be conveniently and directly inserted into the through hole 3.

The top of the sleeve 1 is provided with a connecting thread 14, and the sleeve 1 is fixedly installed through the screw connection of the connecting thread 14 and a rotating shaft of a drilling tool.

When the drill bit 2 is fixed, as shown in fig. 3, one end of the sliding block 6 abuts against the clamping bead 8, the clamping bead 8 abuts against the sliding block 6, one end of the clamping bead protrudes out of the first accommodating groove 101 and is clamped with the clamping groove 10 on the loop bar 9, and when the clamping bead 8 is clamped with the clamping groove 10, the other end of the clamping bead 8 cannot move under the abutting of the sliding block 6, so that the loop bar 9 is limited;

when the drill bit 2 is disassembled, as shown in fig. 4 and 5, the slide block 6 is driven to move by the rightward sliding limiting ring 4, the second accommodating groove 11 is overlapped with the first accommodating groove 101 while the slide block 6 moves, so that the clamping beads 8 roll into the second accommodating groove 11, at the moment, the clamping beads 8 are separated from the clamping grooves 10 on the sleeve rod 9, the disassembly is completed, when the drill bit 2 is installed, the sleeve rod 9 on the drill bit 2 is inserted into the through hole 3, the spring 7 rebounds to move towards one end close to the drill bit 2, the touching end 15 of the second accommodating groove 11 is contacted with the arc-shaped edge 16 of the clamping beads 8 while the slide block 6 moves, the clamping beads 8 are pushed to roll into the first accommodating groove 101, and one end of the clamping beads 8, which is propped against the lower end of the slide block 6, protrudes out of the first accommodating groove 101 and is clamped with the clamping grooves 10 on the sleeve rod 9, and when the clamping beads 8 are clamped with the clamping grooves 10, the other end of the clamping beads 8 cannot move under the propped against the slide block 6, the sleeve rod 9 is limited, and the installation of the drill bit 2 is completed;

the positioning groove 12 at the bottom of the casing 1 is matched and spliced with the positioning column 13 at the top of the drill bit 2, and the positioning column 13 at the top of the drill bit 2 is inserted into the positioning groove 12, so that the drill bit 2 can be ensured to be aligned with the installation position of the casing 1 correctly, the stable position can be maintained, and the drill bit 2 cannot be moved in the drilling process.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a drilling tool quick detach connects instrument, includes sleeve pipe (1) and with drill bit (2) that sleeve pipe (1) cup joint, its characterized in that: through-hole (3) have been seted up at sleeve pipe (1) middle part, sleeve pipe (1) lower part slip has cup jointed spacing ring (4), spout (5) have been seted up in locating cup joint with spacing ring (4) in through-hole (3) both sides, spacing ring (4) both sides all are equipped with slider (6) and spout (5) sliding connection, every group slider (6) all fixedly connected with spring (7) and the other end and sleeve pipe (1) fixed connection of spring (7), sleeve pipe (1) both sides and cup joint department with spacing ring (4) and have been seted up first holding tank (101), be equipped with card pearl (8) and card pearl (8) in first holding tank (101) and be close to the first holding tank (101) of one end protrusion of through-hole (3), drill bit (2) top fixedly connected with loop bar (9), loop bar (9) lower part both sides are equipped with draw-in groove (10), after loop bar (9) cooperatees grafting with through card (8) and draw-in groove (10) and limit loop bar (9).

2. The quick disconnect tool for drilling tools of claim 1, wherein: and a second accommodating groove (11) is formed in one end, close to the clamping beads (8), of each group of sliding blocks (6).

3. The quick disconnect tool for drilling tools of claim 1, wherein: a plurality of positioning grooves (12) are formed in the bottom of the sleeve (1), and a plurality of positioning columns (13) are arranged at the top of the drill bit (2) and positioned on the outer side face of the loop bar (9).

4. A quick disconnect tool for drilling tools according to claim 3, wherein: the positioning column (13) is matched and spliced with the positioning groove (12).

5. The quick disconnect tool for drilling tools of claim 1, wherein: two groups of fixing holes (17) are formed in the surface of the sleeve (1), bolts (18) are arranged on the surface of the limiting ring (4), and the bolts (18) are matched with the fixing holes (17) and are fixedly connected in a threaded mode.

6. The quick disconnect tool for drilling tools of claim 1, wherein: the top of the sleeve (1) is provided with a connecting thread (14).