CN221205634U - Screw dismantles incomplete bits anti falling subassembly - Google Patents

Abstract

The utility model relates to the technical field of screw disassembly and discloses a screw disassembly scrap anti-drop assembly, which comprises a drill rod mechanism, wherein the lower part of the peripheral surface of the drill rod mechanism is in threaded connection with an anti-drop mechanism, the anti-drop mechanism comprises a magnet block and a through hole, the through hole is arranged in the middle of one side surface of the magnet block in a penetrating way, the peripheral surface of the through hole is provided with a second internal thread, the middle of one end surface of the drill rod mechanism is in threaded connection with a drill bit mechanism, the drill bit mechanism comprises a magnetic drill bit and a connecting column, the connecting column is fixedly connected in the middle of the upper surface of the magnetic drill bit, and the peripheral surface of the connecting column is provided with a second external thread. This incomplete anti-drop subassembly is dismantled to screw, anti-drop mechanism and drill bit mechanism through setting up has solved the broken process of screw and can produce a large amount of metal fragments, and its metal eyebrow diffuses, causes injury and drill bit structure to human tissue very easily and wear comparatively serious after long-time use, and then leads to the appeal to reduce to prevent the problem that the effect is poor that the incomplete bits dropped.

Description

Screw dismantles incomplete bits anti falling subassembly

Technical Field

The utility model relates to the technical field of screw disassembly, in particular to a screw disassembly scrap anti-drop assembly.

Background

Fracture is one of the common problems in orthopaedics, and fracture internal fixation refers to an operation of directly connecting broken bones with metal screws, steel plates, intramedullary needles, steel wires and the like when fracture occurs. Wherein the metal screw is a common special screw with a cap.

Due to material requirements, use conditions and the like in the process of dismantling the screw, sometimes the screw is broken at the screw cap part or the whole screw is cold welded on the internal fixation steel plate in the process of dismantling the fracture internal fixation steel plate. In the process of dismantling the fracture internal fixation steel plate, the steel plate is limited by factors such as insufficient space, and the like, the large-force dismantling equipment or equipment is difficult to use, so that the patient is prevented from being harmed by the steel plate. The common dismantling means under the situation is to directly crush the screw cap and the screw by using an electric drill so as to achieve the purpose of dismantling the screw. However, a large amount of metal scraps are generated in the process of breaking the screw, such as the metal eyebrows are spread, and the damage to human tissues is easy to occur. There is a need to improve upon a screw removal debris and drop prevention assembly to address the above-described issues.

Disclosure of utility model

The utility model aims to provide a screw dismounting scrap anti-drop assembly so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a screw dismantles incomplete bits anti-drop subassembly, includes drilling rod mechanism, drilling rod mechanism week surface lower part threaded connection has anti-drop mechanism, and anti-drop mechanism includes magnet piece and through-hole, the through-hole runs through the setting at magnet piece one side surface middle part, and the through-hole week surface is provided with the second internal thread, drilling rod mechanism one end surface middle part threaded connection has drill bit mechanism.

Preferably, the drill bit mechanism comprises a magnetic drill bit and a connecting column, and the connecting column is fixedly connected to the middle part of the upper surface of the magnetic drill bit.

Preferably, the connection post is provided with second external threads on the circumferential surface, and the total number of the connection post and the second external threads is one.

Preferably, the drill rod mechanism comprises a magnetic drill rod and a first external thread, wherein the first external thread is fixedly connected to the lower part of the peripheral surface of the magnetic drill rod, and the total number of the first external thread and the magnetic drill rod is one.

Preferably, the upper part of the peripheral surface of the magnetic drill rod is provided with annular clamping grooves, and the total number of the annular clamping grooves is one.

Preferably, a round groove is formed in the middle of one end surface of the magnetic drill rod, first internal threads are formed in the peripheral surface of the round groove, and the total number of the round groove and the first internal threads is one.

Compared with the prior art, the utility model provides a screw disassembly scrap anti-drop assembly, which has the following beneficial effects:

1. This incomplete bits anti falling subassembly is dismantled to screw has the effect of avoiding causing the injury to human tissue through the anti falling mechanism that sets up, has solved the broken process of screw and can produce a large amount of metal fragments, and its metal eyebrow spreads, very easily causes the problem of injury to human tissue.

2. This incomplete bits anti falling subassembly is dismantled to screw has the effect of carrying out bit structure change through the drill bit mechanism that sets up, has solved bit structure wearing and tearing comparatively serious after long-time use, and then leads to the appeal to reduce to prevent the problem that the effect was got rid of to the incomplete bits is variation.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

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

FIG. 2 is a schematic view of a drill rod mechanism according to the present utility model;

FIG. 3 is a schematic view of a drill mechanism according to the present utility model;

Fig. 4 is a schematic structural view of the anti-drop mechanism of the present utility model.

In the figure: 1. a drill rod mechanism; 11. a magnetic drill rod; 111. an annular clamping groove; 112. a circular groove; 12. a first external thread; 13. a first internal thread; 2. an anti-falling mechanism; 21. a magnet block; 211. a through hole; 22. a second internal thread; 3. a drill bit mechanism; 31. a connecting column; 32. a second external thread; 33. a magnetic drill bit.

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.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples:

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a screw dismantles incomplete bits anti-drop subassembly, includes drilling rod mechanism 1, drilling rod mechanism 1 week surface lower part threaded connection has anti-drop mechanism 2, and anti-drop mechanism 2 includes magnet piece 21 and through-hole 211, and through-hole 211 runs through and sets up in the middle part of one side surface of magnet piece 21, and through-hole 211 week surface is provided with second internal thread 22, drilling rod mechanism 1 one end surface middle part threaded connection has drill bit mechanism 3; the drill bit mechanism 3 comprises a magnetic drill bit 33 and a connecting column 31, and the connecting column 31 is fixedly connected to the middle part of the upper surface of the magnetic drill bit 33; the connection post 31 is provided with second external threads 32 on the circumferential surface, and the total number of the connection post 31 and the second external threads 32 is one.

Working principle: when the anti-drop assembly is used, firstly, one end of the magnetic drill rod 11 in the drill rod mechanism 1 in the anti-drop assembly is provided with the annular clamping groove 111 to be connected with the electric drill driving equipment in a clamping mode (the clamping mode is the same as the principle of replacing the drill rod by an electric drill in the prior art, and excessive details are not needed), then the screw on a patient steel plate is detached by a hand-held electric drill of a related medical staff, when the screw and a screw cap are broken, the magnetic drill rod 11, the magnetic drill bit 33 and the magnet block 21 can absorb metal scraps generated during the breaking, so that the metal scraps are prevented from being diffused, and the human body tissues are further damaged, and when the magnetic drill bit 33 and the magnet block 21 are needed to be replaced, the magnetic drill bit 33 and the magnet block 21 are only needed to be screwed off anticlockwise, so that the anti-drop assembly is convenient and practical, and is worth popularizing.

As shown in fig. 2, the drill rod mechanism 1 comprises a magnetic drill rod 11 and a first external thread 12, wherein the first external thread 12 is fixedly connected to the lower part of the peripheral surface of the magnetic drill rod 11, and the total number of the first external thread 12 and the magnetic drill rod 11 is one; an annular clamping groove 111 is formed in the upper portion of the peripheral surface of the magnetic drill rod 11, and the total number of the annular clamping grooves 111 is one; a round groove 112 is formed in the middle of one end surface of the magnetic drill rod 11, a first internal thread 13 is formed on the peripheral surface of the round groove 112, and the total number of the round groove 112 and the first internal thread 13 is one; specifically, when the drill rod mechanism 1 and the anti-drop mechanism 2 are required to be connected, the magnet block 21 is only required to be sleeved on the peripheral surface of the magnetic drill rod 11, and then the magnet block 21 is rotated clockwise, so that the magnet block 21 can be structurally fixed under the action of the second internal thread 22 and the first external thread 12.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims (6)

1. The utility model provides a screw dismantles incomplete bits anti-drop subassembly, its characterized in that, includes drilling rod mechanism (1), drilling rod mechanism (1) peripheral surface lower part threaded connection has anti-drop mechanism (2), and anti-drop mechanism (2) include magnet piece (21) and through-hole (211), through-hole (211) run through and set up in magnet piece (21) one side surface middle part, and through-hole (211) peripheral surface is provided with second internal thread (22), drilling rod mechanism (1) one end surface middle part threaded connection has drill bit mechanism (3).

2. The screw removing and scrap preventing assembly according to claim 1, wherein the drill mechanism (3) comprises a magnetic drill (33) and a connecting column (31), and the connecting column (31) is fixedly connected to the middle of the upper surface of the magnetic drill (33).

3. A screw removal chip and drop prevention assembly according to claim 2, characterized in that the connecting post (31) is provided with second external threads (32) on its peripheral surface, and that the total number of connecting posts (31) and second external threads (32) is one.

4. The screw-dismounting and chip-removing anti-drop assembly according to claim 1, wherein the drill rod mechanism (1) comprises a magnetic drill rod (11) and a first external thread (12), the first external thread (12) is fixedly connected to the lower part of the peripheral surface of the magnetic drill rod (11), and the total number of the first external thread (12) and the magnetic drill rod (11) is one.

5. The screw removing and scrap preventing assembly in accordance with claim 4, wherein the upper part of the circumferential surface of the magnetic drill rod (11) is provided with annular clamping grooves (111), and the total number of the annular clamping grooves (111) is one.

6. The screw removing and scrap preventing assembly in accordance with claim 4, wherein a circular groove (112) is provided in the middle of one end surface of the magnetic drill rod (11), and a first internal thread (13) is provided on the circumferential surface of the circular groove (112), and the total number of the circular groove (112) and the first internal thread (13) is one.