CN220204315U - Screw capable of reducing surface deformation probability of part during screwing - Google Patents
Screw capable of reducing surface deformation probability of part during screwing Download PDFInfo
- Publication number
- CN220204315U CN220204315U CN202321391943.2U CN202321391943U CN220204315U CN 220204315 U CN220204315 U CN 220204315U CN 202321391943 U CN202321391943 U CN 202321391943U CN 220204315 U CN220204315 U CN 220204315U
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- screw
- head
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- groove
- close
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- 238000003825 pressing Methods 0.000 claims description 35
- 238000001125 extrusion Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to the field of screws, and discloses a screw capable of reducing the surface deformation probability of a part during screwing, which comprises a head and a screw rod, wherein an indicating part for prompting when one side of the head, which is close to the screw rod, is screwed into a proper stroke of an assembly part is arranged on the head; when the indicating block is extruded by the assembly part and is contracted to the side, close to the head, far away from the screw rod, of the indicating block is lower than the through groove, the screw rod is not rotated to the designated position, and the screw can be screwed in through observing the position of the indicating block, so that the probability of extrusion deformation of the outer surface of the assembly part caused by the fact that the user cannot correctly judge the screw screwing position due to the fact that the user looks at the head or other objects is reduced.
Description
Technical Field
The utility model relates to the field of screws, in particular to a screw capable of reducing the probability of surface deformation of a part during screwing.
Background
The screw is a tool for fastening the parts of the object in a progressive manner by utilizing the physical and mathematical principles of the circular rotation of the inclined plane and the friction force of the object, and the main function is to fixedly connect the two workpieces together.
The Chinese patent with the bulletin number of CN209294207U discloses a screw, which comprises a screw cap and a screw rod, wherein the screw cap comprises an upper polygonal plate and a lower polygonal plate, the upper polygonal plate is positioned on the lower polygonal plate, a cross groove is formed in the upper polygonal plate, the screw rod is fixedly arranged below the lower polygonal plate, a linear groove parallel to the screw rod is formed in the screw rod, and the cross groove is communicated with the linear groove.
When the mechanism is screwed into the connected piece by a tool such as a spanner, if the connected piece is a hollow part and the screw needs to penetrate through the hollow part to connect the two connected pieces, if the eyes of a user are blocked by the nut of the screw or other objects in the screwing process of the screw, the user cannot know the screwing depth of the screw, and at the moment, the screw is possibly excessively screwed into the hollow part to squeeze and deform the outer surface of the hollow part.
Disclosure of Invention
The utility model provides a screw capable of reducing the probability of extrusion deformation of the surface of a hollow part when the screw is screwed in, aiming at the defect that the screw can be excessively screwed in to extrusion deformation of the outer surface of the hollow part when the connected part is a hollow part and the screw needs to penetrate through the hollow part to connect the two connecting parts in the prior art.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
the screw capable of reducing the surface deformation probability of the part during screwing comprises a head and a screw rod, wherein an indicating component for prompting when one side of the head, which is close to the screw rod, is screwed into a proper stroke of an assembly part is arranged on the head, the indicating component comprises a through groove, which is eccentrically and penetratingly arranged on the head along the axial direction of the screw rod, and an indicating block, which is elastically arranged in the through groove and partially extends out to one side of the head, which is close to the screw rod, and when the indicating block is extruded and contracted by the assembly part to one side, which is close to the head and is far from the screw rod, of the indicating block is flush with the through groove, the screw rod rotates to a designated position; when the indicator block is pressed by the fitting and contracted to a position where the side thereof near the head portion away from the screw is lower than the through groove, the screw is not rotated to a specified position.
By adopting the scheme, when the screw is screwed into the assembly part, the outer surface of the assembly part is gradually close to the end surface of the indicating block, which is close to one end of the screw rod, and after the outer surface of the assembly part is attached to the end surface of the indicating block, which is close to the screw rod, the assembly part extrudes the indicating block to shrink the indicating block, at the moment, one end of the indicating block, which is far away from the screw rod, is gradually flush with the through groove, and the screw rod is screwed into the appointed position when the indicating block is level with the through groove, at the moment, the screw can be stopped from being screwed in, so that a user can directly observe the position of the end of the indicating block, which is far away from the screw rod, in the through groove to judge the screw rod screwing position, and the extrusion deformation probability of the outer surface of the assembly part is reduced when the screw is screwed in.
Preferably, the indicating member is provided with at least two indicating members at intervals around the screw circumference.
By adopting the scheme, the positions of the two indicating blocks can be compared by a user through the at least two indicating components, if the positions of the two indicating blocks in the through grooves are the same, the screw is vertically screwed into the assembly, and if the positions of the two indicating blocks in the through grooves are different, the screw is deviated when being screwed into the assembly.
Preferably, the indicating component is arranged in one mode and is arranged by taking the screw rod as the center, and the distribution angle of the indicating component at the head part is more than or equal to 180 degrees and less than 360 degrees, so that the probability of extrusion deformation of the outer surface of the assembly part when the screw is screwed in is reduced.
By adopting the scheme, the position of the indicating component in the through groove, which is larger than or equal to 180 degrees and smaller than 360 degrees, of the indicating component can be observed, so that whether the screw is vertically screwed in the assembly part or not can be known, and the probability of extrusion deformation of the outer surface of the assembly part when the screw is screwed in is reduced.
Preferably, the indicating block comprises a pressing block arranged at one end of the head part close to the screw rod and an indicating plate protruding from one end of the pressing block away from the screw rod, the indicating plate is T-shaped and is prevented from being separated from the through groove, a containing groove communicated with the through groove and used for containing the pressing block is recessed at one side of the head part close to the screw rod, and an elastic piece for driving the pressing block to locally extend out of one side of the head part close to the screw rod is arranged in the containing groove.
By adopting the scheme, the part of the pressing block can extend out of the storage groove through the arranged elastic piece, the screw is screwed into the assembly at the moment, the pressing block can be abutted against the outer surface of the assembly when the screw is screwed into the assembly, the pressing block can be driven to rise by continuously screwing the screw, the pressing block can be gradually flush with the through groove, and in the screwing process, a user can judge the screw screwing position by observing the position of one end, away from the screw, of the indicating block in the through groove, so that the probability of extrusion deformation of the outer surface of the assembly when the screw is screwed in is reduced.
Preferably, the indication board is detachably arranged on the pressing block through an inserting structure.
By adopting the scheme, the indicator plate can be conveniently mounted on the pressing block through the arranged plug-in structure, so that the pressing block can be extruded and contracted and simultaneously drive the indicator plate to move together.
Preferably, the plugging structure comprises a slot in which one end of the indication board is close to the pressing block and a plug block which is arranged at the position of the pressing block close to the indication board and can be clamped into the slot in an interference manner.
By adopting the scheme, the insertion block arranged on the pressing block is clamped into the slot arranged on the indication board in an interference manner, so that the pressing block and the indication board are fixed.
Preferably, the elastic piece is a spring, the spring is sleeved on the indication board, and two ends of the spring are respectively elastically abutted with the pressing block and the bottom of the accommodating groove.
By adopting the scheme, the pressing block can be driven to extend out of the storage groove through the arranged spring, so that the pressing block can drive the indicating plate arranged on the pressing block to move when the screw is installed, a user can observe the position of the end, far away from the screw, of the indicating block in the through groove to judge the screw screwing position, and the probability of extrusion deformation of the outer surface of the assembly part when the screw is screwed in is reduced.
The utility model has the remarkable technical effects due to the adoption of the technical scheme: when the screw is screwed into the assembly, the outer surface of the assembly gradually approaches to the end surface of the indicating block, which is close to one end of the screw rod, and after the outer surface of the assembly is attached to the end surface of the indicating block, which is close to the screw rod, the assembly extrudes the indicating block to shrink the indicating block, at the moment, one end of the indicating block, which is far away from the screw rod, is gradually flush with the through groove, and when the indicating block is flush with the through groove, the screw rod is screwed into the appointed position, at the moment, the screw can be stopped from being screwed in, so that a user can directly observe the position of one end of the indicating block, which is far away from the screw rod, in the through groove to judge the screw rod screwing-in position, and the probability of extrusion deformation of the outer surface of the assembly when the screw is screwed in is reduced.
Drawings
FIG. 1 is an isometric view of a screw for reducing the probability of deformation of the surface of a part during screwing in accordance with example 1;
FIG. 2 is a front view of a screw for reducing the probability of deformation of the surface of a part during screwing in accordance with embodiment 1;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
fig. 4 is an enlarged view at B in fig. 3;
fig. 5 is a front view of the indicator in embodiment 1 after lifting up;
FIG. 6 is a cross-sectional view of C-C of FIG. 5;
fig. 7 is an enlarged view at D in fig. 6;
fig. 8 is an isometric view of a screw for reducing the probability of deformation of the surface of a part during screwing in accordance with example 2.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: 1. a head; 2. a screw; 3. a groove; 4. an indication board; 5. a through groove; 6. a storage groove; 7. pressing blocks; 8. a spring; 9. a slot; 10. and (5) inserting blocks.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The design of the screw capable of reducing the surface deformation probability of the part during screwing in is shown in fig. 1, and comprises a head 1 and a screw rod 2, wherein a groove 3 for allowing a tool to be inserted into the screw is further formed in the head 1, indication components for prompting when one side of the head 1, which is close to the screw rod 2, is screwed into a proper stroke of a fitting are arranged on the head 1, at least two indication components are circumferentially arranged at intervals around the screw rod 2, each indication component comprises a through groove 5, which is eccentrically and penetratingly arranged on the head 1 along the axial direction of the screw rod 2, an indication block, which is elastically arranged in the through groove 5 and is partially extended out to one side of the head 1, which is close to the screw rod 2, and when the indication block is extruded by the fitting and contracted to one side, which is close to the head 1, which is far from the screw rod 2, is level with the through groove 5, the screw rod 2 rotates to a designated position; when the indicator block is pressed by the fitting and contracted to a position where its side near the head 1 away from the screw 2 is lower than the through groove 5, the screw 2 is not rotated to a specified position.
Referring to fig. 2-7, the indication block comprises an abutting block 7 arranged at one end of the head 1 close to the screw 2 and an indication plate 4 protruding from one end of the abutting block 7 far away from the screw 2, wherein the indication plate 4 is detachably arranged on the abutting block 7 through an inserting structure, the indication plate 4 is in a T shape for preventing the indication plate 4 from separating from the through groove 5, a containing groove 6 communicated with the through groove 5 and used for containing the abutting block 7 is recessed at one side of the head 1 close to the screw 2, and an elastic piece for driving the abutting block 7 to partially extend out of one side of the head 1 close to the screw 2 is arranged in the containing groove 6.
The inserting structure comprises a slot 9 recessed at one end of the indication board 4 close to the pressing block 7 and an inserting block 10 which is arranged at the position of the pressing block 7 close to the indication board 4 and can be clamped into the slot 9 in an interference manner, and the inserting block 10 on the pressing block 7 is inserted into the slot 9 of the indication board 4 in an interference manner, so that the fixing between the pressing block 7 and the indication board 4 is realized, and the pressing block 7 can be extruded and contracted and simultaneously drive the indication board 4 to move together; the elastic component is spring 8, and spring 8 cover is established on the pilot board 4 and both ends respectively with support briquetting 7 and holding tank bottom elasticity butt, can let the part elasticity of supporting briquetting 7 stretch out outside holding tank 6 through the spring 8 that sets up to when the screw is during the installation, support briquetting 7 can drive the pilot board 4 that sets up above that and remove, thereby make the user observe the pilot block and keep away from the position of one end of screw rod 2 in logical groove 5 and judge screw rod 2 screw in position, thereby reduced the probability of squeezing deformation with the assembly part surface when the screw is twisted in.
The method comprises the following specific steps: when the screw is screwed into the assembly, the screw rod 2 arranged below the head 1 is slowly screwed into the assembly, at the moment, the lower surface of the head 1 of the screw is gradually close to the outer surface of the assembly, when one end of the pressing block 7 is contacted with the outer surface of the assembly, the pressing block 7 of the screw is continuously screwed into the assembly to be pressed into the accommodating groove 6, the pressing block 7 drives the indication plate 4 arranged on the pressing block 7 to move when the pressing block 7 is retracted, so that one end of the indication plate 4 far away from the screw rod 2 is gradually lifted, when one end of the indication plate 4 far away from the screw rod 2 is level with the through groove 5, the screw is indicated to rotate to a designated position without continuous rotation, and therefore the probability that a user cannot know the screw rod 2 is extruded and deformed when the outer surface of the assembly is screwed due to the fact that the head 1 or other objects are blocked is not known.
Example 2
In this embodiment, unlike in embodiment 1, referring to 8, the indicating member is provided in one piece and is disposed centering around the screw 2, and the distribution angle of the indicating member on the head 1 is 180 ° or more and less than 360 °, and when the indicating member is pressed by the fitting, it is possible to determine whether the screw is rotated to the specified position by observing the positional relationship between the indicating member and the through groove 5, which are disposed on the head 1 centering around the screw 2, and the distribution angle of 180 ° or more and less than 360, so that the probability of the pressing deformation of the outer surface of the fitting when the screw is screwed in is reduced.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. Screw capable of reducing surface deformation probability of parts during screwing, comprising a head (1) and a screw (2), and being characterized in that: the screw assembly comprises a head (1), a screw rod (2) and a screw rod (2), wherein the head (1) is provided with an indication part for prompting when one side of the head (1) close to the screw rod (2) is screwed into a proper stroke of the assembly, the indication part comprises a through groove (5) which is eccentrically and penetratingly arranged on the head (1) along the axial direction of the screw rod (2), and an indication block which is elastically arranged in the through groove (5) and partially extends out to one side of the head (1) close to the screw rod (2), and when the indication block is extruded by the assembly and contracted to one side of the indication block close to the head (1) far from the screw rod (2) and the through groove (5) are leveled, the screw rod (2) rotates to a designated position; when the indicating block is pressed by the fitting and contracted to the side, close to the head (1), far away from the screw (2) is lower than the through groove (5), the screw (2) is not rotated to the designated position.
2. A screw for reducing the probability of deformation of a surface of a part during screwing in according to claim 1, wherein: at least two indicating components are circumferentially arranged around the screw (2) at intervals.
3. A screw for reducing the probability of deformation of a surface of a part during screwing in according to claim 1, wherein: the indicating component is arranged in one way and is arranged by taking the screw (2) as the center, and the distribution angle of the indicating component on the head (1) is more than or equal to 180 degrees and less than 360 degrees.
4. A screw for reducing the probability of deformation of a surface of a part during screwing according to claim 2, wherein: the indicating block comprises an abutting block (7) arranged at one end of the head (1) close to the screw (2) and an indicating plate (4) protruding from one end of the abutting block (7) away from the screw (2), wherein the indicating plate (4) is T-shaped for preventing the indicating plate from being separated from the through groove (5), one side of the head (1) close to the screw (2) is sunken with a containing groove (6) communicated with the through groove (5) and used for containing the abutting block (7), and an elastic piece for driving the abutting block (7) to locally extend out of one side of the head (1) close to the screw (2) is arranged in the containing groove (6).
5. A screw for reducing the probability of surface deformation of a part during screwing in as defined in claim 4, wherein: the indication board (4) is detachably arranged on the pressing block (7) through an inserting structure.
6. A screw for reducing the probability of surface deformation of a part during screwing in as defined in claim 5, wherein: the plug-in structure comprises a slot (9) which is recessed at one end of the indication board (4) and is close to the pressing block (7) and a plug block (10) which is arranged at the position of the pressing block (7) and is close to the indication board (4) and can be clamped into the slot (9) in an interference manner.
7. A screw for reducing the probability of surface deformation of a part during screwing in as defined in claim 6, wherein: the elastic piece is a spring (8), the spring (8) is sleeved on the indication board (4) and two ends of the spring are respectively elastically abutted with the pressing block (7) and the bottom of the accommodating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321391943.2U CN220204315U (en) | 2023-06-02 | 2023-06-02 | Screw capable of reducing surface deformation probability of part during screwing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321391943.2U CN220204315U (en) | 2023-06-02 | 2023-06-02 | Screw capable of reducing surface deformation probability of part during screwing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204315U true CN220204315U (en) | 2023-12-19 |
Family
ID=89137588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321391943.2U Active CN220204315U (en) | 2023-06-02 | 2023-06-02 | Screw capable of reducing surface deformation probability of part during screwing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204315U (en) |
-
2023
- 2023-06-02 CN CN202321391943.2U patent/CN220204315U/en active Active
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| GR01 | Patent grant | ||
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