CN212859352U

CN212859352U - Device for taking broken-end screw

Info

Publication number: CN212859352U
Application number: CN202021265935.XU
Authority: CN
Inventors: 钟晶晶; 王战兵; 李奎富; 邴涵; 甘龙; 沈道理; 冯磊; 杨国庆; 张鹏
Original assignee: Hubei Tri Ring Forging Co Ltd
Current assignee: Hubei Tri Ring Forging Co Ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-02
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a get broken end screw device, the on-line screen storage device comprises a base, the both sides of base have all been seted up and have been pressed from both sides tight groove, and the upper surface of base is provided with the bracing piece respectively, and the side of bracing piece is close to the position department at top and has seted up threaded hole, and the inside threaded connection of screw hole has the working rod structure, and the surface screw thread of working rod structure has cup jointed lock nut, and lock nut's one end has been kept away from on the surface of working rod structure has seted up the jack, and the inside of jack is. Through the working rod structure, the locking nut and the stress application rod structure, the device clamps and takes down screws in bolt holes of parts with different sizes, the effect of the bolt holes of the parts is not easy to damage, and the problem that the device for taking broken screws on the market is complex in operation time and is not suitable for taking the screws in the bolt holes of the parts which are too small and easily damages the bolt holes of the parts when the screws are taken down is solved. Is suitable for taking out the broken-end screw.

Description

Device for taking broken-end screw

Technical Field

The utility model relates to a press from both sides and get the device, specifically be a get broken end screw device.

Background

Screws are a common fastener and are widely used in machinery, and for various reasons, the head of the screw is broken, so that the screw cannot be taken out. The method is commonly used in workshops, but the broken screws in threaded holes with too small hole diameters are encountered, the method is not applicable, and the broken screws are taken out by utilizing special equipment. This method is time consuming and requires the purchase of special equipment, again with electrical sparks or wire cutting to break the screw broken in the hole, but can easily damage the threaded hole, thus leading to a solution to the above mentioned problems.

Disclosure of Invention

An object of the utility model is to provide a get broken end screw device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a get broken end screw device, includes the base, the both sides of base have all been seted up and have been pressed from both sides tight groove, and the upper surface of base is provided with the bracing piece respectively, and the side of bracing piece is close to the position department at top and has offered threaded hole, and the inside threaded connection of screw hole has the working beam structure, and locking nut has been cup jointed to the surface screw thread of working beam structure, and locking nut's one end has been seted up on the surface of working beam structure, and the inside of jack is provided with the stress application pole structure.

As a further aspect of the present invention: the quantity of bracing piece is two, and two bracing pieces all use the vertical axis of base as symmetrical bearing axial symmetry setting.

As a further aspect of the present invention: the utility model discloses a work pole, including the work pole structure, the tip is kept away from to the work pole, the tip is kept away from to the atress circle piece fixed connection, the work pole is equipped with the screw thread, the one end of tip fixed connection at the work pole is kept away from to the atress circle piece, the atress circle piece is located the face that deviates from of two bracing pieces, the surface of work pole is provided with the screw thread, tip fixed connection is in the opposite face that the work pole was kept away from to the tip, the one end of work pole is kept away from to lock.

As a further aspect of the present invention: and one side of the tip far away from the tip is provided with a knurl.

As a further aspect of the present invention: the stress application rod structure comprises a convex ring, a through hole and a stress application rod, the convex ring is fixedly connected to the middle of the stress application rod, and the through hole is formed in one end of the stress application rod.

Compared with the prior art, the beneficial effects of the utility model are that: through the working rod structure, lock nut and application of force pole structure, fix the base on operation platform, then rotate the working rod structure and make the tip of working rod structure press from both sides the broken screw on the spare part tightly, then lock the working rod structure with lock nut, rotate spare part, make spare part rotate on broken screw, it can take off the broken screw to press from both sides tight broken screw and rotate spare part with the continuous adjustment of application of force pole structure, be applicable to the spare part bolt hole of aperture size difference, reached the device and pressed from both sides tightly and take off the screw in the spare part bolt hole of variation in size, be difficult for haring the effect of spare part bolt hole, the device that has solved on the market to take off the broken screw has long operating time complicated, be not suitable for and get the problem that the spare part bolt hole is fragile when taking off the screw in the spare part bolt hole too little spare part bolt hole.

Drawings

Fig. 1 is an overall configuration view of a screw driver.

FIG. 2 is a front view of a screw-off device.

FIG. 3 is a right side view of a screw-off device.

FIG. 4 is a right side sectional view of a threaded hole in a screw device for removing a broken end.

FIG. 5 is a top view of a screw-driver device.

Fig. 6 is a schematic view of the overall structure of the force applying rod structure in the broken-head screw taking device.

Fig. 7 is a schematic structural diagram of a working rod structure in a broken-end screw taking device.

FIG. 8 is a left side view of the working rod configuration of FIG. 7 in a screw-off device.

As shown in the figure: 1. a base; 2. a clamping groove; 3. a support bar; 4. a threaded hole; 5. a work bar structure; 501. a tip; 502. a tip; 503. a working lever; 504. a stressed round block; 6. locking the nut; 7. a jack; 8. a stress application rod structure; 801. a raised ring; 802. a through hole; 803. a stress application rod.

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 to 8, in an embodiment of the present invention, a device for taking off a broken screw includes a base 1, clamping grooves 2 are formed on both sides of the base 1 for fixing the base 1, support rods 3 are respectively disposed on the upper surface of the base 1, the number of the support rods 3 is two, the two support rods 3 are disposed in axial symmetry with respect to a vertical axis of the base 1, the support rods 3 and the base 1 are integrally formed, the base 1 and the support rods 3 are made of HT200/45# steel, a threaded hole 4 is formed in a position on a side surface of the support rod 3 near a top portion, an internal thread of the threaded hole 4 is connected to a working rod structure 5, the working rod structure 5 includes a tip 501, a tip 502, a working rod 503 and a stress round block 504, a knurl is disposed on a side of the tip 501 away from the tip 502, friction force of taking off the screw is increased, when the screw is clamped, the clamped broken screw is not easily rotated, the stress round block 504 is fixedly connected to one end, far away from the tip 502, of the working rod 503, the stress round block 504 is located on the deviating surface of the two support rods 3, threads are arranged on the surface of the working rod 503, the tip 502 is fixedly connected to one end, far away from the stress round block 504, of the working rod 503, the tip 502 and the tip 501 are made of steel with better rigidity, the hardness is high, the rigidity is good, the tip 502 is located on the opposite surface of the two support rods 3, the tip 501 is fixedly connected to one end, far away from the working rod 503, of the tip 502, the locking nut 6 is in threaded sleeve connection with the surface of the working rod 503, the working rod 503 is in threaded connection with the threaded hole 4, the locking nut 6 is in threaded sleeve connection with the surface of the working rod structure 5, the working rod structures 5 with different sizes are replaced according to requirements, only the fact that the tip 502 and the tip 501 are slightly smaller than the aperture of a part bolt hole for, be used for pegging graft application of force pole structure 8, the inside of jack 7 is provided with application of force pole structure 8, application of force pole structure 8 and jack 7 swing joint, need take off application of force pole structure 8 when changing work lever structure 5, application of force pole structure 8 need not to be changed, application of force pole structure 8 is used for rotating work lever structure 5, adjust work lever structure 5, application of force pole structure 8 includes protruding ring 801, through-hole 802 and application of force pole 803, protruding ring 801 fixed connection is located the position department at the middle part on the surface of application of force pole 803, the one end at application of force pole 803 is seted up to through-hole 802, protruding ring 801 is difficult for the inside of application of force pole structure 8 at jack 7 to slide, through-hole 802 can insert the inside at through-hole 802 for outside pole, it is more laborsaving when rotating application of force pole 803.

When in use, the base 1 of the device is firstly fixed on an operation platform, the right working rod structure 5 is locked by the locking nut 6 to ensure that the right working rod structure 5 cannot be loosened, bolt holes of parts needing to be screwed are placed between the two sharp heads 502 on the right working rod structure 5 and the left working rod structure 5, the left working rod structure 5 is twisted by the aid of the force applying rod structure 8 to ensure that the sharp heads 502 of the right working rod structure 5 and the left working rod structure 5 tightly prop against screws broken in bolt holes of the parts so that the screws and the device are kept in a relatively static state, the parts are rotated to the front side to rotate the parts and the screws in the bolt holes of the parts, finally the right working rod structure 5 is loosened to rotate the whole parts to a starting position, the right working rod structure 5 is screwed again and locked again by the locking nut 6, the above process is repeated until the screw is taken out, the use is convenient, the cost is lower, the broken screw in the part bolt holes with different calibers can be taken out, the operation time is short, professional equipment does not need to be purchased, and the part bolt holes are not easy to be damaged.

Although the present invention 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 or portions thereof without departing from the spirit and scope of the invention, and the following claims are therefore to be read in this light of the appended claims.

Claims

1. The utility model provides a get broken end screw device, includes base (1), a serial communication port, tight groove (2) of clamp have all been seted up to the both sides of base (1), the upper surface of base (1) is provided with bracing piece (3) respectively, the position department that the side of bracing piece (3) is close to the top sets up threaded hole (4), the inside threaded connection of threaded hole (4) has work bar structure (5), lock nut (6) have been cup jointed to the surface screw thread of work bar structure (5), jack (7) have been seted up to the one end that lock nut (6) were kept away from on the surface of work bar structure (5), the inside of jack (7) is provided with application of force pole structure (8).

2. The broken-head screw taking device as claimed in claim 1, wherein the number of the supporting rods (3) is two, and the two supporting rods (3) are arranged in an axisymmetric manner by taking the vertical axis of the base (1) as a symmetry axis.

3. The broken-end screw taking device according to claim 2, wherein the working rod structure (5) comprises a sharp tip (501), a sharp head (502), a working rod (503) and a stress round block (504), the stress round block (504) is fixedly connected to one end, far away from the sharp tip (502), of the working rod (503), the stress round block (504) is located on the back-off surface of the two support rods (3), threads are arranged on the surface of the working rod (503), the sharp head (502) is fixedly connected to one end, far away from the stress round block (504), of the working rod (503), the sharp head (502) is located on the opposite surface of the two support rods (3), the sharp tip (501) is fixedly connected to one end, far away from the working rod (503), of the locking nut (6) is in threaded sleeve connection with the surface of the working rod (503), and the working rod (503) is in threaded connection with the threaded hole (4).

4. A screw device according to claim 3, characterised in that the side of the tip (501) remote from the point (502) is provided with knurling.

5. A break-away cap screw device according to claim 1, characterized in that the stress beam structure (8) comprises a protruding ring (801), a through hole (802) and a stress beam (803), the protruding ring (801) is fixedly connected to the stress beam (803) at a position where the surface of the stress beam is located in the middle, and the through hole (802) is opened at one end of the stress beam (803).