CN210550942U

CN210550942U - Novel screw extractor

Info

Publication number: CN210550942U
Application number: CN201921346363.5U
Authority: CN
Inventors: 唐昌林
Original assignee: Guangzhou Linfa Metal Products Co ltd
Current assignee: Guangzhou Linfa Metal Products Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-05-19
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses a novel screw extractor, including the tapping piece, the top of tapping piece is provided with the connecting sleeve pole, the inside of tapping piece is located and is provided with the chucking device with connecting sleeve pole department of combining together, the top of connecting sleeve pole is provided with rotates the spanner, rotate spanner and tapping piece respectively with the both ends looks block of connecting sleeve pole. A novel screw extractor, rotate spanner and chucking device, ratchet pawl mechanism through rotating the spanner can be more convenient taking out the tapping piece, and need not rotate the spanner whole circle just can continue rotatory screw extractor, need not relapse to take out the rotation spanner, improve the speed of taking out and the efficiency of screw extractor, can mutually support through chucking device and fixed cover, fixed cover need not be changed when using the tapping piece of different specifications, make things convenient for staff's management more, practice thrift the cost in business.

Description

Novel screw extractor

Technical Field

The utility model relates to a screw extractor field, in particular to novel screw extractor.

Background

When the device is used, a twist drill with a proper specification is selected, a small hole is drilled in the center of the section of the bolt, the extractor is inserted into the small hole, then a screw tap wrench or a monkey wrench is used for clamping the square head of the extractor, and the bolt broken in the machine or equipment can be taken out by forcibly rotating anticlockwise. However, when the existing screw extractor is used, different fasteners are needed for tapping pieces with different diameters, so that the clamping piece is more in size specification, and due to the complexity of equipment, some tapping pieces are inconvenient to take when rotating, so that the speed of taking out the end screw is influenced.

Disclosure of Invention

A primary object of the present invention is to provide a novel screw extractor, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel screw extractor, includes the tapping piece, the top of tapping piece is provided with the connecting sleeve pole, the inside of tapping piece is located and is provided with chucking device with the connecting sleeve pole department of combining together, the top of connecting sleeve pole is provided with rotates the spanner, rotate spanner and tapping piece respectively with the both ends looks block of connecting the sleeve pole.

Preferably, the rotary wrench comprises a fixed sleeve, a ratchet wheel, a pawl, a clamping block, a first fixed block, a first movable groove, a rotary seat, a reserved groove, a first telescopic spring and a connecting rod, wherein the fixed sleeve is movably arranged in the fixed sleeve and is provided with the rotary seat, the rotary seat is provided with the ratchet wheel, the ratchet wheel is clamped with the pawl, the fixed sleeve is internally provided with the first fixed block, the connecting rod is arranged in the first fixed block, the connecting rod is provided with the first telescopic spring, one end of the connecting rod is provided with the clamping block, the other end of the connecting rod is movably fixed in the first fixed block, the connecting rod is located in the first movable groove, and the reserved groove is formed in the position of the pawl in the fixed sleeve.

Preferably, the connecting sleeve rod comprises a second fixing block, a fixing rod and a first fixing groove, the second fixing block is arranged at the top end of the fixing rod, the cross section of the second fixing block is quadrilateral, the bottom end of the fixing rod is provided with the first fixing groove, and a tapping piece is arranged inside the first fixing groove.

Preferably, the tapping piece includes second fixed slot, third fixed block, tapping screw thread and toper post, the second fixed slot has been seted up on the top of third fixed block, the inside of second fixed slot is provided with chucking device, the third fixed block is as an organic whole with toper post system, tapping screw thread has been seted up on the surface of toper post, tapping screw thread revolve to with take out the screw revolve to opposite.

Preferably, the chucking device includes activity ball, bayonet socket, second shifting chute, embedding piece, second expanding spring and spacing mouth, it is inside that the embedding piece is located the top of tapping piece, the inside of embedding piece is provided with the second shifting chute, the inside both sides of second shifting chute all are provided with the activity ball, be provided with the second expanding spring between the activity ball, the inside both sides that are located the second shifting chute in upper end of tapping piece are provided with spacing mouth, the inside bayonet socket that is provided with activity ball matched with in bottom of connecting the loop bar.

Preferably, the tapping element is located in a pre-drilled hole in the screw.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be provided with the rotation spanner, it is more convenient to take out the tapping piece through the ratchet pawl mechanism that rotates the spanner, and need not rotate the spanner and just can continue rotatoryly in whole circle, need not relapse to take out the rotation spanner, improves the speed and the efficiency of taking out of screw extractor, is provided with chucking device, can mutually support through chucking device and fixed cover, fixed cover need not be changed when using the tapping piece of different specifications, make things convenient for staff's management more, practice thrift the cost in business.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel screw extractor of the present invention;

fig. 2 is a schematic view of a rotary wrench of a novel screw extractor of the present invention;

fig. 3 is a schematic view of a tapping piece of the novel screw extractor of the present invention;

fig. 4 is an enlarged view of fig. 3 at a.

In the figure: 1. rotating the wrench; 101. fixing the sleeve; 102. a ratchet wheel; 103. a pawl; 104. a clamping block; 105. a first fixed block; 106. a first moving slot; 107. a rotating seat; 108. reserving a groove; 109. a first extension spring; 110. a connecting rod; 2. connecting the loop bar; 201. a second fixed block; 202. fixing the rod; 203. a first fixing groove; 3. a tapping member; 301. a second fixing groove; 302. a third fixed block; 303. tapping threads; 304. a tapered post; 4. a clamping device; 401. a movable ball; 402. a bayonet; 403. a second moving slot; 404. embedding a block; 405. a second extension spring; 406. a limiting opening.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a novel screw extractor comprises a tapping member 3, a connecting sleeve rod 2 is arranged above the tapping member 3, a clamping device 4 is arranged at the position where the tapping member 3 is combined with the connecting sleeve rod 2, a rotary wrench 1 is arranged above the connecting sleeve rod 2, and the rotary wrench 1 and the tapping member 3 are respectively clamped with two ends of the connecting sleeve rod 2;

the rotary wrench 1 comprises a fixed sleeve 101, a ratchet wheel 102, a pawl 103, a clamping block 104, a first fixed block 105, a first moving groove 106, a rotary seat 107, a reserved groove 108, a first telescopic spring 109 and a connecting rod 110, wherein the rotary seat 107 is movably installed inside the fixed sleeve 101, the ratchet wheel 102 is arranged on the rotary seat 107, the ratchet wheel 102 is clamped with the pawl 103, the first fixed block 105 is arranged inside the fixed sleeve 101, the connecting rod 110 is arranged inside the first fixed block 105, the first telescopic spring 109 is arranged on the connecting rod 110, the clamping block 104 is arranged at one end of the connecting rod 110, the other end of the connecting rod 110 is movably fixed inside the first fixed block 105, the connecting rod 110 is located inside the first moving groove 106, and the reserved groove 108 is formed in the position, located at the pawl 103, inside the fixed sleeve 101; the connecting sleeve rod 2 comprises a second fixing block 201, a fixing rod 202 and a first fixing groove 203, the second fixing block 201 is arranged at the top end of the fixing rod 202, the section of the second fixing block 201 is quadrilateral, the first fixing groove 203 is formed in the bottom end of the fixing rod 202, and a tapping piece 3 is arranged inside the first fixing groove 203; the tapping piece 3 comprises a second fixing groove 301, a third fixing block 302, tapping threads 303 and a conical column 304, the top end of the third fixing block 302 is provided with the second fixing groove 301, a clamping device 4 is arranged inside the second fixing groove 301, the third fixing block 302 and the conical column 304 are integrally formed, the surface of the conical column 304 is provided with the tapping threads 303, and the screwing direction of the tapping threads 303 is opposite to that of the screws to be taken out; the clamping device 4 comprises movable balls 401, bayonets 402, second moving grooves 403, an embedded block 404, a second expansion spring 405 and limiting ports 406, the embedded block 404 is located inside the top end of the tapping piece 3, the second moving grooves 403 are formed inside the embedded block 404, the movable balls 401 are arranged on two sides inside the second moving grooves 403, the second expansion spring 405 is arranged between the movable balls 401, the limiting ports 406 are formed inside the upper end of the tapping piece 3 and on two sides of the second moving grooves 403, and the bayonets 402 matched with the movable balls 401 are arranged inside the bottom end of the connecting sleeve rod 2; the tapping element 3 is located in a pre-drilled hole in the screw.

It should be noted that, in the present invention, when in use, a hole is pre-drilled in the damaged screw, and then the connection sleeve 2 is engaged with the rotary wrench 1 and the tapping element 3, specifically, the second fixing block 201 is engaged with the rotary seat 107 of the rotary wrench 1, the clamping device 4 of the tapping element 3 is engaged with the first fixing groove 203 at the lower end of the fixing rod 202, and the tapping element 3 is engaged at this time, specifically, the embedded block 404 of the clamping device 4 is installed in the second fixing groove 301, and the movable ball 401 inside the second fixing groove 403 is under the action of the second expansion spring 405, so that the movable ball 401 is located at the position-limiting opening 406, the tapping element 3 is engaged with the bayonet 402 of the connection sleeve 2, the tapered column 304 of the tapping element 3 is screwed into the screw, since the screwing direction of the screw is opposite to that of the tapping element 3, so that the tapping thread 303 screws out the screw while screwing the tapping element 3, meanwhile, the rotating seat 107 of the rotary wrench 1 rotates inside the fixed sleeve 101, when a worker rotates, the ratchet 102 and the pawl 103 can be clamped when the ratchet 102 is rotated in the forward direction, then when the ratchet 102 and the pawl 103 are pushed back in the reverse direction, the ratchet 102 and the pawl 103 cannot be clamped, the pawl 103 and the first expansion spring 109 are under the action of the first expansion spring 109, the first expansion spring 109 pushes the fixture block 104, the pawl 103 is clamped at the joint of the first fixed block 105 and the fixture block 104, the tapping element 3 takes out a screw at the moment, when the connecting rod 110 is pulled, the connecting rod 110 moves towards the inside of the first moving groove 106, the pawl 103 can be separated from the joint of the first fixed block 105 and the fixture block 104, the ratchet 102 can be loosened inside the reserved groove 108, and the use is convenient.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel screw extractor which characterized in that: including tapping piece (3), the top of tapping piece (3) is provided with connecting sleeve rod (2), the inside of tapping piece (3) is located and is provided with chucking device (4) with connecting sleeve rod (2) department of combining together, the top of connecting sleeve rod (2) is provided with rotates spanner (1), rotate spanner (1) and tapping piece (3) respectively with the both ends looks block of connecting sleeve rod (2).

2. The novel screw extractor of claim 1, wherein: the rotary wrench (1) comprises a fixed sleeve (101), a ratchet wheel (102), a pawl (103), a clamping block (104), a first fixed block (105), a first moving groove (106), a rotating seat (107), a reserved groove (108), a first telescopic spring (109) and a connecting rod (110), wherein the rotating seat (107) is movably mounted inside the fixed sleeve (101), the ratchet wheel (102) is arranged on the rotating seat (107), the ratchet wheel (102) is clamped with the pawl (103), the first fixed block (105) is arranged inside the fixed sleeve (101), the connecting rod (110) is arranged inside the first fixed block (105), the first telescopic spring (109) is arranged on the connecting rod (110), the clamping block (104) is arranged at one end of the connecting rod (110), and the other end of the connecting rod (110) is movably fixed inside the first fixed block (105), and the connecting rod (110) is positioned in the first moving groove (106), and a reserved groove (108) is formed in the position, positioned on the pawl (103), in the fixed sleeve (101).

3. The novel screw extractor of claim 1, wherein: the connecting sleeve rod (2) comprises a second fixing block (201), a fixing rod (202) and a first fixing groove (203), the second fixing block (201) is arranged at the top end of the fixing rod (202), the cross section of the second fixing block (201) is quadrilateral, the first fixing groove (203) is formed in the bottom end of the fixing rod (202), and a tapping piece (3) is arranged inside the first fixing groove (203).

4. The novel screw extractor of claim 1, wherein: tapping piece (3) include second fixed slot (301), third fixed block (302), tapping screw thread (303) and toper post (304), second fixed slot (301) have been seted up on the top of third fixed block (302), the inside of second fixed slot (301) is provided with chucking device (4), third fixed block (302) and toper post (304) system are as an organic whole, tapping screw thread (303) have been seted up on the surface of toper post (304), the screw is revolved to the turning of tapping screw thread (303) and is taken out the screw and revolve to opposite.

5. The novel screw extractor of claim 1, wherein: chucking device (4) are including activity ball (401), bayonet socket (402), second shifting chute (403), embedding piece (404), second expanding spring (405) and spacing mouth (406), embedding piece (404) are located inside the top of tapping piece (3), the inside of embedding piece (404) is provided with second shifting chute (403), the inside both sides of second shifting chute (403) all are provided with activity ball (401), be provided with second expanding spring (405) between activity ball (401), the inside both sides that are located second shifting chute (403) in the upper end of tapping piece (3) are provided with spacing mouth (406), the inside bayonet socket (402) that are provided with activity ball (401) matched with in bottom of connecting sleeve pole (2).

6. The novel screw extractor of claim 1, wherein: the tapping piece (3) is positioned in a hole which is punched by a screw in advance.