CN215880225U - Screw tap with anti-fracture function - Google Patents
Screw tap with anti-fracture function Download PDFInfo
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- CN215880225U CN215880225U CN202122362869.9U CN202122362869U CN215880225U CN 215880225 U CN215880225 U CN 215880225U CN 202122362869 U CN202122362869 U CN 202122362869U CN 215880225 U CN215880225 U CN 215880225U
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Abstract
The utility model belongs to the technical field of screw taps, and particularly relates to a screw tap with an anti-fracture function, which comprises a connecting column and a cutting column fixed at the lower end of the connecting column, wherein rotary threads are arranged on the outer surface of the connecting column, an anti-fracture structure is arranged on the outer surface of the connecting column, the anti-fracture structure comprises a threaded sleeve sleeved on the surface of the connecting column, the connecting column is matched with the threaded sleeve, a fixed block is fixed on the outer surface of the threaded sleeve, a supporting rod is fixed on the outer surface of the fixed block, a supporting chassis is fixed at the end part of the supporting rod, and a through hole is formed in the outer surface of the supporting chassis; the joint of the supporting base plate and the panel is matched with the threaded sleeve supporting rod to support the screw tap, so that the screw tap is perpendicular to the panel, the anti-fracture function is realized, the fracture phenomenon caused by nonuniform stress of the screw tap is avoided, and the using effect of the screw tap is improved.
Description
Technical Field
The utility model relates to the technical field of screw taps, in particular to a screw tap with an anti-fracture function.
Background
The screw tap is a tool for processing internal threads, and can be divided into a spiral screw tap and a straight-edge screw tap according to the shape, and can be divided into a hand screw tap and a machine screw tap according to the use environment.
When the manual screw tap is used, the manual screw tap cannot be accurately perpendicular to a panel, and the screw tap is stressed unevenly, so that the screw tap is broken; therefore, a tap having a fracture prevention function is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art and solve the problem that the screw tap is easy to break when in use, the utility model provides the screw tap with the anti-breaking function.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the screw tap with the fracture prevention function comprises a connecting column and a cutting column fixed at the lower end of the connecting column, wherein rotary threads are arranged on the outer surface of the connecting column, a fracture prevention structure is arranged on the outer surface of the connecting column, the fracture prevention structure comprises a threaded sleeve sleeved on the surface of the connecting column, the connecting column is matched with the threaded sleeve, a fixed block is fixed on the outer surface of the threaded sleeve, a supporting rod is fixed on the outer surface of the fixed block, a supporting chassis is fixed at the end of the supporting rod, a through hole is formed in the outer surface of the supporting chassis, the screw tap is perpendicular to a panel when in use, and the screw tap fracture caused by uneven stress of the screw tap is avoided.
Preferably, the outer surfaces of the fixing blocks, which are positioned on the threaded sleeves, are symmetrically arranged, the outer surfaces of the supporting rods, which are positioned on the supporting chassis, are symmetrically arranged, and the supporting chassis is disc-shaped, so that the supporting chassis is more stable.
Preferably, the outer fixed surface of bracing piece has the handle, the surface cover of handle is equipped with the rubber sleeve, can carry out the application of force to supporting the chassis through the handle, more is favorable to the drilling of screw tap.
Preferably, the outer surface of the supporting chassis is provided with supporting legs, the supporting legs are fixedly connected with the supporting chassis, the supporting legs are arranged on the outer surface of the supporting chassis in an array manner, and the supporting legs further support the supporting chassis, so that the stability of the supporting base plate is ensured.
Preferably, the lower extreme of spliced pole is installed and is ground flat structure, grind flat structure including installing the board of polishing at the surface of spliced pole, pass through screwed connection between spliced pole and the board of polishing, the lower pot head of spliced pole is equipped with the bearing, be fixed connection between the inner circle of bearing and the spliced pole, can carry out the deburring to the hole of silk awl brill.
Preferably, the polishing plate is in a circular ring shape, a pattern steel plate is fixed on the outer surface of the lower end of the polishing plate, and the pattern steel plate can improve the trimming effect.
The utility model has the advantages that:
1. according to the utility model, the screw tap can be supported by the supporting base plate at the joint with the panel and matching with the threaded sleeve supporting rod, so that the screw tap is perpendicular to the panel, the fracture prevention function is realized, the fracture phenomenon caused by uneven stress of the screw tap is avoided, and the use effect of the screw tap is improved;
2. according to the hole trimming device, the supporting rod can rotate inside the hole through the bearing, the hole corners can be polished by matching with the polishing plate and the pattern steel, the use effect is prevented from being influenced by burrs on the surface of the hole, the hole trimming function is realized, and the hole punching effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic overall structure diagram of the first embodiment;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
fig. 4 is a schematic view of the supporting chassis and the supporting legs of the second embodiment.
In the figure: 1. connecting columns; 2. cutting the column; 3. rotating the screw thread; 4. an anti-fracture structure; 41. a threaded bushing; 42. a fixed block; 43. a support bar; 44. a support chassis; 45. a through hole; 46. a handle; 47. supporting legs; 5. grinding the structure; 51. grinding the plate; 52. a screw; 53. a bearing; 54. a patterned steel plate; 55. a rubber ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-3, the screw tap with the fracture prevention function comprises a connecting column 1 and a cutting column 2 fixed at the lower end of the connecting column 1, wherein a rotary thread 3 is arranged on the outer surface of the connecting column 1, an fracture prevention structure 4 is arranged on the outer surface of the connecting column 1, the fracture prevention structure 4 comprises a threaded sleeve 41 sleeved on the surface of the connecting column 1, the connecting column 1 is matched with the threaded sleeve 41, a fixed block 42 is fixed on the outer surface of the threaded sleeve 41, a support rod 43 is fixed on the outer surface of the fixed block 42, a support chassis 44 is fixed at the end of the support rod 43, and a through hole 45 is formed in the outer surface of the support chassis 44; when punching, to support chassis 44 and place on waiting the panel that punches, support the screw tap, it is corresponding with the position that needs punch to make cutting post 2, then press down the handle of spliced pole 1 end connection, and rotate, begin to punch, make spliced pole 1 at the internal motion of thread bush 41, the in-process of punching, thread bush 41, support chassis 44, bracing piece 43 mutually supports and can make screw tap perpendicular to panel, the inhomogeneous screw tap fracture that leads to of atress when avoiding the screw tap to punch, and then improve the effect of punching.
The outer surfaces of the fixing blocks 42 on the threaded sleeve 41 are symmetrically arranged, the outer surfaces of the supporting rods 43 on the supporting base 44 are symmetrically arranged, and the supporting base 44 is in a disc shape; the fixed blocks 42 and the supporting rods 43 which are symmetrically arranged can enable the supporting chassis 44 to be stressed more uniformly, the supporting chassis 44 in a disc shape further guarantees that the supporting chassis 44 is stressed uniformly, the supporting chassis 44 can be more stable, and the anti-fracture effect is improved.
A handle 46 is fixed on the outer surface of the supporting rod 43, a rubber sleeve is sleeved on the outer surface of the handle 46, and the handle 46 can apply force to the supporting chassis 44, so that the drilling of the screw tap is facilitated; when a large tap is used for drilling, the handle 46 can apply force to the supporting chassis 44, so that the supporting chassis is better connected with a panel, the perpendicularity of the tap is guaranteed, and the comfort degree of the handle 46 can be improved by the rubber sleeve on the outer surface of the handle 46.
The outer surface of the supporting chassis 44 is provided with supporting feet 47, the supporting feet 47 are fixedly connected with the supporting chassis 44, and the supporting feet 47 are positioned on the outer surface of the supporting chassis 44 and arranged in an array; when supporting the drill bit through the supporting baseplate, further supporting the tap through supporting legs 47, avoiding supporting chassis 44 to rock, preventing to support chassis 44 and taking place the skew, improving the steadiness that supports chassis 44, and then improve and prevent the fracture effect.
The grinding structure 5 is mounted at the lower end of the connecting column 1, the grinding structure 5 comprises a grinding plate 51 mounted on the outer surface of the connecting column 1, the connecting column 1 is connected with the grinding plate 51 through a screw 52, a bearing 53 is sleeved at the lower end of the connecting column 1, and an inner ring of the bearing 53 is fixedly connected with the connecting column 1; after the hole is punched, the screw tap is pushed to the hole, the bearing 53 is located in the hole, the grinding plate 51 is connected with the panel at the edge of the hole, then the screw tap handle 46 is rotated again and rotated repeatedly, so that the grinding plate 51 grinds the panel with burrs at the edge of the hole, the hole is trimmed, and the punching effect is improved.
The polishing plate 51 is in a circular ring shape, and a pattern steel plate 54 is fixed on the outer surface of the lower end of the polishing plate 51; the circular ring-shaped polishing plate 51 can uniformly polish the peripheral surface of the hole, the surface of the patterned steel plate 54 is uneven, the friction force between the polishing plate 51 and the panel is increased, and the trimming effect is improved.
Example two:
referring to fig. 4, as another embodiment of the present invention, in a first comparative example, a rubber ring 55 is disposed on an outer surface of a bearing 53, the bearing 53 is fixedly connected to the rubber ring 55, and when trimming a punched circular hole, the bearing 53 moves downward by rotating a connecting column 1 downward, so as to squeeze the rubber ring 55, increase friction between the bearing 53 and an inner wall of the circular hole, and prevent the bearing 53 from sliding during rotation;
according to the working principle, when punching is carried out, the supporting base plate 44 is placed on a panel to be punched, a screw tap is supported, the cutting column 2 corresponds to a position needing punching, then a handle connected with the end part of the connecting column 1 is pressed downwards, the connecting column 1 moves inside the threaded sleeve 41 to start punching, when a larger screw tap is used for punching, force can be applied to the supporting base plate 44 through the handle 46, the supporting base plate 44 is better connected with the panel, and the punching effect is improved; after the hole is punched, the screw tap is pushed to the hole, the bearing 53 is located in the hole, the grinding plate 51 is connected with the panel at the edge of the hole, then the screw tap handle 46 is rotated again and rotated repeatedly, so that the grinding plate 51 grinds the panel with burrs at the edge of the hole, the hole is trimmed, and the attractiveness of the hole is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. A screw tap with fracture prevention function is characterized in that: including spliced pole (1) and fix cutting post (2) at spliced pole (1) lower extreme, the surface of spliced pole (1) is provided with rotatory screw thread (3), the surface mounting of spliced pole (1) has prevents fracture structure (4), prevent fracture structure (4) and establish threaded sleeve pipe (41) on spliced pole (1) surface including the cover, spliced pole (1) and threaded sleeve pipe (41) looks adaptation, the external fixed surface of threaded sleeve pipe (41) has fixed block (42), the external fixed surface of fixed block (42) has bracing piece (43), the end fixing of bracing piece (43) has support chassis (44), through-hole (45) have been seted up to the surface that supports chassis (44).
2. The tap having a fracture-preventing function according to claim 1, wherein: the outer surfaces of the fixing blocks (42) on the threaded sleeves (41) are symmetrically arranged, the outer surfaces of the supporting rods (43) on the supporting base plate (44) are symmetrically arranged, and the supporting base plate (44) is in a disc shape.
3. The tap having a fracture-preventing function according to claim 1, wherein: the outer surface of the supporting rod (43) is fixed with a handle (46), and the outer surface of the handle (46) is sleeved with a rubber sleeve.
4. The tap having a fracture-preventing function according to claim 1, wherein: the outer surface of the supporting chassis (44) is provided with supporting legs (47), the supporting legs (47) are fixedly connected with the supporting chassis (44), and the supporting legs (47) are arranged on the outer surface of the supporting chassis (44) in an array manner.
5. The tap having a fracture-preventing function according to claim 1, wherein: grind flat structure (5) is installed to the lower extreme of spliced pole (1), grind flat structure (5) including installing polishing board (51) at the surface of spliced pole (1), be connected through screw (52) between spliced pole (1) and polishing board (51), the lower pot head of spliced pole (1) is equipped with bearing (53), be fixed connection between the inner circle of bearing (53) and spliced pole (1).
6. The tap having a fracture-preventing function according to claim 5, wherein: the polishing plate (51) is in a circular ring shape, and a pattern steel plate (54) is fixed on the outer surface of the lower end of the polishing plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122362869.9U CN215880225U (en) | 2021-09-28 | 2021-09-28 | Screw tap with anti-fracture function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122362869.9U CN215880225U (en) | 2021-09-28 | 2021-09-28 | Screw tap with anti-fracture function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215880225U true CN215880225U (en) | 2022-02-22 |
Family
ID=80472572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122362869.9U Active CN215880225U (en) | 2021-09-28 | 2021-09-28 | Screw tap with anti-fracture function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215880225U (en) |
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2021
- 2021-09-28 CN CN202122362869.9U patent/CN215880225U/en active Active
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