CN210908240U

CN210908240U - PCD cutter down-the-hole drill bit

Info

Publication number: CN210908240U
Application number: CN201921878437.XU
Authority: CN
Inventors: 李明珠
Original assignee: Suzhou Gurui Alloy Products Co ltd
Current assignee: Suzhou Gurui Alloy Products Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-03
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a PCD cutter down-the-hole drill bit, including the down-the-hole drill bit body, the top fixedly connected with connector of down-the-hole drill bit body, the top of connector is run through and is provided with the connecting cylinder. The utility model discloses a down-the-hole drill bit body, the connector, the connecting cylinder, the kelly, the fixed column, the fixed pin, the movable frame, sliding pin, the cooperation of locating lever and fixed block is used, through the connector joint in the inside of draw-in groove, again with the kelly joint in the inside of fastening groove, then with the locating lever joint in the inside of constant head tank, reach the effect that can be convenient for install, this PCD cutter down-the-hole drill bit, it is threaded connection with the connector mostly to have solved current down-the-hole drill bit, and the smooth silk phenomenon can appear in threaded connection long-time use, and it goes to be artifical the twisting, it is very troublesome, lead to the problem of the efficiency greatly reduced of drilling, down-the-hole drill bit's.

Description

PCD cutter down-the-hole drill bit

Technical Field

The utility model relates to a PCD cutter technical field specifically is a PCD cutter down-the-hole drill bit.

Background

PCD cutters are generally referred to as polycrystalline diamond cutters. The end face design form of the current high-wind-pressure down-the-hole drill bit mainly comprises four types: namely, an end-face convex type, an end-face planar type, an end-face concave type and an end-face deep concave central type. The hard alloy is mainly selected from spherical teeth, elastic teeth or a tooth distribution mode shared by the spherical teeth and the elastic teeth.

Need use the down-the-hole drill bit when drilling, but current down-the-hole drill bit is threaded connection with the connector mostly, and threaded connection uses for a long time and can appear smooth silk phenomenon to it is artifical and screws up, very takes trouble hard, leads to the efficiency greatly reduced of drilling, has reduced the practicality of down-the-hole drill bit, has reduced workman's work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCD cutter down-the-hole drill bit possesses the advantage that can be convenient for the installation, has solved current down-the-hole drill bit and connector and is threaded connection mostly, and threaded connection uses for a long time and can appear smooth silk phenomenon to it is artifical and twist on, very takes trouble hard, leads to the efficiency greatly reduced's of drilling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PCD cutter down-the-hole drill bit, includes the down-the-hole drill bit body, the top fixedly connected with connector of down-the-hole drill bit body, the top of connector is run through and is provided with the connecting cylinder, the equal fixedly connected with kelly in both sides at connecting cylinder inner chamber top, the bottom of kelly runs through to the inside of connector, the equal fixedly connected with fixed column in both sides of connecting cylinder, the positive outside fixedly connected with fixed pin of fixed column, the movable frame has been cup jointed on the surface of fixed pin, the top sliding connection of movable frame inner chamber has the sliding pin, the back fixedly connected with locating lever of sliding pin, the inboard of locating lever runs through connecting cylinder and connector in proper order and extends to the inside of kelly, the bottom fixedly connected with fixed block in the movable.

Preferably, the outer side of the fixed block is fixedly connected with a handle, and the handle is matched with the movable frame for use.

Preferably, the bottom of the inner side of the movable frame is fixedly connected with a spring, and the inner side of the spring is fixedly connected with the connecting cylinder.

Preferably, the bottom of the connecting cylinder is provided with a clamping groove, and the top of the connector is clamped in the clamping groove.

Preferably, fastening grooves are formed in the two sides of the top of the connecting head and located in the clamping grooves, and the bottom of the clamping rod is clamped in the fastening grooves.

Preferably, the outside of kelly just is located the inside in fastening groove and has seted up the constant head tank, the inboard joint of locating lever is in the inside of constant head tank.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a down-the-hole drill bit body, the connector, the connecting cylinder, the kelly, the fixed column, the fixed pin, the movable frame, sliding pin, the cooperation of locating lever and fixed block is used, through the connector joint in the inside of draw-in groove, again with the kelly joint in the inside of fastening groove, then with the locating lever joint in the inside of constant head tank, reach the effect that can be convenient for install, this PCD cutter down-the-hole drill bit, it is threaded connection with the connector mostly to have solved current down-the-hole drill bit, and the smooth silk phenomenon can appear in threaded connection long-time use, and it goes to be artifical the twisting, it is very troublesome, lead to the problem of the efficiency greatly reduced of drilling, down-the-hole drill bit's.

2. The utility model discloses a setting of handle, can the person of facilitating the use press down the pulling movable frame, user's convenience has been increaseed, setting through the spring, can make the more stable one side swing to being close to the connecting cylinder of movable frame, the absorbing effect has been played to the movable frame simultaneously, setting through the draw-in groove, can make the more inseparable joint of connector in the inside of connecting cylinder, prevent to appear rocking the phenomenon that drops, spacing effect has been played to the connector simultaneously, setting through the fastening groove, can make the inseparable joint of kelly more in the inside of connector, unstable phenomenon prevents to appear, increased the area of contact with the connector, setting through the constant head tank, can make the inseparable joint of locating lever in the inside of kelly, prevent that the unstable phenomenon from appearing rocking in the kelly, the effect of location has been played to the kelly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged structural view of the point A in FIG. 1 according to the present invention;

fig. 3 is a side view of the present invention.

In the figure: the down-the-hole drill bit comprises a down-the-hole drill bit body 1, a connector 2, a connecting cylinder 3, a clamping rod 4, a fixing column 5, a fixing pin 6, a movable frame 7, a sliding pin 8, a positioning rod 9, a fixing block 10, a handle 11, a spring 12, a clamping groove 13, a fastening groove 14 and a positioning groove 15.

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.

Referring to fig. 1-3, a PCD cutter down-the-hole drill bit comprises a down-the-hole drill bit body 1, a connector 2 is fixedly connected to the top of the down-the-hole drill bit body 1, fastening grooves 14 are formed in both sides of the top of the connector 2 and inside of a clamping groove 13, the bottom of a clamping rod 4 is clamped inside the fastening grooves 14, the clamping rod 4 can be more tightly clamped inside the connector 2 by the arrangement of the fastening grooves 14, so that the unstable phenomenon is prevented, the contact area with the connector 2 is increased, a connecting cylinder 3 is arranged at the top of the connector 2 in a penetrating manner, the clamping groove 13 is formed at the bottom of the connecting cylinder 3, the top of the connector 2 is clamped inside the clamping groove 13, the connector 2 can be more tightly clamped inside the connecting cylinder 3 by the arrangement of the clamping grooves 13, the shaking and falling phenomenon is prevented, and a limiting effect is achieved on the connector 2, the two sides of the top of the inner cavity of the connecting cylinder 3 are fixedly connected with clamping rods 4, the outer sides of the clamping rods 4 are positioned in the fastening grooves 14, positioning grooves 15 are formed in the positioning grooves 15, the inner sides of the positioning rods 9 are clamped in the positioning grooves 15, the positioning rods 9 can be tightly clamped in the clamping rods 4 through the positioning grooves 15, the clamping rods 4 are prevented from shaking unstably, the positioning effect on the clamping rods 4 is achieved, the bottoms of the clamping rods 4 penetrate through the inner parts of the connecting heads 2, the two sides of the connecting cylinder 3 are fixedly connected with fixed columns 5, the outer sides of the front surfaces of the fixed columns 5 are fixedly connected with fixed pins 6, movable frames 7 are sleeved on the surfaces of the fixed pins 6, springs 12 are fixedly connected to the bottoms of the inner sides of the movable frames 7, the inner sides of the springs 12 are fixedly connected with the connecting cylinder 3, and the movable frames 7 can swing towards one side close to the connecting, simultaneously played absorbing effect to movable frame 7, the top sliding connection of the 7 inner chambers of movable frame has smooth round pin 8, the back fixedly connected with locating lever 9 of smooth round pin 8, the inboard of locating lever 9 runs through connecting cylinder 3 and connector 2 in proper order and extends to the inside of kelly 4, the bottom fixedly connected with fixed block 10 in the 7 outside of movable frame, the outside fixedly connected with handle 11 of fixed block 10, handle 11 cooperation movable frame 7 uses, setting through handle 11, can the person of facilitating the use press and stimulate movable frame 7, user's convenience has been increaseed.

During the use, at first the user is earlier with the inside of connector 2 joint at draw-in groove 13, again with the inside of kelly 4 joint at fastening groove 14, after the card is good with handle 11 to the one side pulling of keeping away from connecting cylinder 3, then can take fixed block 10 also to the one side removal of keeping away from connecting cylinder 3, fixed block 10 will take the bottom of movable frame 7 to the one side removal of keeping away from connecting cylinder 3 after being pulled, spring 12 also can remove along with the removal of fixed frame 7 this moment, then the inside sliding pin 8 of fixed frame 7 will slide to the one side that is close to connecting cylinder 3, will take locating lever 9 to the one side removal that is close to connecting cylinder 3, make locating lever 9 joint in the inside of constant head tank 15, cause to reach the effect that can be convenient for the installation.

In summary, the following steps: this PCD cutter down-the-hole drill bit, through down-the-hole drill bit body 1, connector 2, connecting cylinder 3, kelly 4, fixed column 5, fixed pin 6, movable frame 7, sliding pin 8, the cooperation of locating lever 9 and fixed block 10 is used, through the inside of 2 joints of connector at draw-in groove 13, again with 4 joints of kelly in fastening groove 14's inside, then with the inside of locating lever 9 joint at constant head tank 15 again, reach the effect that can be convenient for install, this PCD cutter down-the-hole drill bit, it is threaded connection with the connector is mostly to have solved current down-the-hole drill bit, and threaded connection uses for a long time and can appear smooth silk phenomenon, and be the manual work and twist up, it is very troublesome, lead to the problem of the efficiency greatly reduced of drilling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A PCD cutter down-the-hole drill bit, includes down-the-hole drill bit body (1), its characterized in that: the top of the down-the-hole drill bit body (1) is fixedly connected with a connector (2), the top of the connector (2) is provided with a connecting cylinder (3) in a penetrating way, the two sides of the top of the inner cavity of the connecting cylinder (3) are fixedly connected with clamping rods (4), the bottom of the clamping rod (4) penetrates into the connector (2), both sides of the connecting cylinder (3) are fixedly connected with fixing columns (5), the outer side of the front surface of the fixed column (5) is fixedly connected with a fixed pin (6), the surface of the fixed pin (6) is sleeved with a movable frame (7), the top of the inner cavity of the movable frame (7) is connected with a sliding pin (8) in a sliding way, the back of the sliding pin (8) is fixedly connected with a positioning rod (9), the inner side of the positioning rod (9) sequentially penetrates through the connecting cylinder (3) and the connector (2) and extends to the inside of the clamping rod (4), the bottom of the outer side of the movable frame (7) is fixedly connected with a fixed block (10).

2. A PCD cutter down-the-hole drill bit as claimed in claim 1, characterised in that: the outer side of the fixing block (10) is fixedly connected with a handle (11), and the handle (11) is matched with the movable frame (7) for use.

3. A PCD cutter down-the-hole drill bit as claimed in claim 1, characterised in that: the bottom of the inner side of the movable frame (7) is fixedly connected with a spring (12), and the inner side of the spring (12) is fixedly connected with the connecting cylinder (3).

4. A PCD cutter down-the-hole drill bit as claimed in claim 1, characterised in that: draw-in groove (13) have been seted up to the bottom of connecting cylinder (3), the inside at draw-in groove (13) is connected in the top joint of connector (2).

5. A PCD cutter down-the-hole drill bit as claimed in claim 4, wherein: fastening groove (14) have all been seted up to the both sides at connector (2) top and the inside that is located draw-in groove (13), the bottom joint of kelly (4) is in the inside in fastening groove (14).

6. A PCD cutter down-the-hole drill bit as claimed in claim 5, wherein: the outside of kelly (4) just is located the inside in fastening groove (14) and has seted up constant head tank (15), the inboard joint of locating lever (9) is in the inside of constant head tank (15).