CN207814165U - A kind of bulb screw - Google Patents
A kind of bulb screw Download PDFInfo
- Publication number
- CN207814165U CN207814165U CN201820009141.3U CN201820009141U CN207814165U CN 207814165 U CN207814165 U CN 207814165U CN 201820009141 U CN201820009141 U CN 201820009141U CN 207814165 U CN207814165 U CN 207814165U
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- CN
- China
- Prior art keywords
- bulb
- screw
- polished rod
- rod
- turret head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of bulb screws, including polished rod, described polished rod one end is fixedly connected with screw rod, the screw rod side end face is fixedly connected with screw thread, the screw rod is equipped with chamfering away from one end side of polished rod, the polished rod is fixedly connected with turret head away from one end of screw rod, the polished rod is equipped with the second filleted corner with turret head junction, the turret head is fixedly connected with bulb away from one end of polished rod, the bulb side end face is equipped with the first filleted corner and third filleted corner, and third filleted corner is located at side end face of the bulb close to turret head.Bulb is put into fixing piece preformed groove, screw rod is rotatablely connected by screw thread and connector, polished rod plays the role of bracing reinforcement, prevent screw from producing fracture bending, bulb uses spherical designs, connector can be enable to rotate in preformed groove, and rotating effect is good, chamfering prevents from screw from occurring burr in production leading to not smoothly be inserted into connector.
Description
Technical field
The utility model is related to technical field of hardware, specially a kind of bulb screw.
Background technology
Screw is fastened by easy stages using the physics and mathematical principle of the inclined-plane circular rotating and frictional force of object
The tool of implements parts.Screw is the general saying of fastener, daily pet phrase.Screw is work indispensable in daily life
Industry necessity：The minimum screw that such as camera, glasses, clock and watch, electronics use；TV, electric product, musical instrument, furniture etc.
General screw；Large-scale screw, nut are then used as engineering, building, bridge；Traffic tool, aircraft, electric car, automobile etc. are then
It is used in combination for big primary screw.Screw industrially bears vital task, as long as there is industry on the earth, then the function of screw is eternal
It is important.Screw is the joint invention in people's production and living over the past thousands of years, and from the point of view of application field, it is the first big of the mankind
Invention.
Cheese head screw belongs to the special-shaped screw in screw, is the screw that factory is the making of specific connector, cheese head screw rule
Lattice are various, play connection function.
Currently, existing special-shaped screw does not have bulb screw in the market, connector can not be made to be rotated, load bearing effect is not
Good, screw is easy stress bending.
Utility model content
The purpose of this utility model is to provide a kind of bulb screws, are designed using bulb, connector can be made to be turned
Dynamic, load bearing effect is good, and screw is not easy stress bending.
To achieve the above object, the utility model provides the following technical solutions：A kind of bulb screw, including polished rod, it is described
Polished rod one end is fixedly connected with screw rod, and the screw rod side end face is fixedly connected with screw thread, and the screw rod deviates from the one end of polished rod
Side is equipped with chamfering, and the polished rod is fixedly connected with turret head away from one end of screw rod, and the polished rod is equipped with turret head junction
Second filleted corner, the turret head are fixedly connected with bulb away from one end of polished rod, and the bulb side end face is equipped with the first inner circle
Angle and third filleted corner, and third filleted corner is located at side end face of the bulb close to turret head.
Preferably, the bulb uses circular design, and a diameter of 8mm away from the end face of turret head, and error is ±
0.2mm, a diameter of 16mm in bulb ball-type position, and error is ﹢ 0mm, ﹣ 0.043mm.
Preferably, first fillet radius is 2mm, and second fillet radius is 0.25mm, in the third
Radius of corner is 2mm.
Preferably, the hexagonal grease head highness is 8mm, and the polished rod length is 15mm, and the spiro rod length is 25mm.
Preferably, the turret head specification is SW17, and the screw thread specification is M10X1.5.
Preferably, the polished rod and screw rod total length are 40mm, and error is ﹢ 0.1mm, ﹣ 0mm, the bulb and hexagonal
Head total length is 28.3mm, and error is ± 0.2mm.
Preferably, it is 21.3mm to the distance of polished rod at bulb spherical part center, and error is ± 0.3mm.
Compared with prior art, the beneficial effects of the utility model are as follows：
Bulb is put into fixing piece preformed groove, screw rod is rotatablely connected by screw thread and connector, and polished rod plays support and adds
Gu effect prevents screw from producing fracture bending, bulb uses spherical designs, connector can be enable to rotate in preformed groove,
And rotating effect is good, chamfering prevents from screw from occurring burr in production leading to not smoothly be inserted into connector.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model main body.
In figure：1- bulbs, the first filleted corners of 2-, the second filleted corners of 3-, 4- polished rods, 5- screw rods, 6- chamferings, 7- screw threads, 8-
Turret head, 9- third filleted corners.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 please be read, the utility model provides a kind of technical solution：A kind of bulb screw, including polished rod 4,4 one end of polished rod are solid
Surely it is connected with screw rod 5,5 side end face of screw rod is fixedly connected with screw thread 7, and screw rod 5 is equipped with chamfering 6, light away from one end side of polished rod 4
Bar 4 is fixedly connected with turret head 8 away from one end of screw rod 5, and polished rod 4 is equipped with the second filleted corner 3, hexagonal with 8 junction of turret head
First 8 are fixedly connected with bulb 1 away from one end of polished rod 4, and 1 side end face of bulb is equipped with the first filleted corner 2 and third filleted corner 9, and
Third filleted corner 9 is located at bulb 1 close to the side end face of turret head 8.
It is ± 0.2mm, 1 ball of bulb that bulb 1 uses circular design, and a diameter of 8mm, error away from the end face of turret head 8
The a diameter of 16mm in type position, and error is ﹢ 0mm, ﹣ 0.043mm, 2 radius of the first filleted corner is 2mm, and 3 radius of the second filleted corner is
0.25mm, 9 radius of third filleted corner are 2mm, and 8 height of turret head is 8mm, and 4 length of polished rod is 15mm, and 5 length of screw rod is 25mm,
8 specification of turret head is SW17, and 7 specification of screw thread is M10X1.5, and polished rod 4 and 5 total length of screw rod are 40mm, and error is ﹢
0.1mm, ﹣ 0mm, bulb 1 and 8 total length of turret head are 28.3mm, and error is ± 0.2mm, and bulb arrives at 1 spherical part center
The distance of polished rod 4 is 21.3mm, and error is ± 0.3mm.
Operation principle：In use, bulb 1 is put into fixing piece preformed groove, screw rod 5 is rotated by screw thread 7 and connector
Connection, polished rod 4 play the role of bracing reinforcement, prevent screw from producing fracture bending, and bulb 1 uses spherical designs, can be reserved
So that connector is rotated in slot, and rotating effect is good, chamfering 6 prevent screw occur in production burr lead to not smoothly insert
Enter connector.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of bulb screw, including polished rod（4）, it is characterised in that：The polished rod（4）One end is fixedly connected with screw rod（5）, institute
State screw rod（5）Side end face is fixedly connected with screw thread（7）, the screw rod（5）Away from polished rod（4）One end side be equipped with chamfering（6）,
The polished rod（4）Away from screw rod（5）One end be fixedly connected with turret head（8）, the polished rod（4）With turret head（8）Junction
Equipped with the second filleted corner（3）, the turret head（8）Away from polished rod（4）One end be fixedly connected with bulb（1）, the bulb（1）
Side end face is equipped with the first filleted corner（2）With third filleted corner（9）, and third filleted corner（9）It is located at bulb（1）Close to turret head
（8）Side end face.
2. a kind of bulb screw according to claim 1, it is characterised in that：The bulb（1）Away from turret head（8）End
It is ± 0.2mm, the bulb that face, which uses circular design, and a diameter of 8mm, error,（1）The a diameter of 16mm in ball-type position, and error
For ﹢ 0mm, ﹣ 0.043mm.
3. a kind of bulb screw according to claim 1, it is characterised in that：First filleted corner（2）Radius is 2mm,
Second filleted corner（3）Radius is 0.25mm, the third filleted corner（9）Radius is 2mm.
4. a kind of bulb screw according to claim 1, it is characterised in that：The turret head（8）Height is 8mm, described
Polished rod（4）Length is 15mm, the screw rod（5）Length is 25mm.
5. a kind of bulb screw according to claim 1, it is characterised in that：The turret head（8）Specification is SW17, institute
State screw thread（7）Specification is M10X1.5.
6. a kind of bulb screw according to claim 1, it is characterised in that：The polished rod（4）And screw rod（5）Total length is
40mm, and error is ﹢ 0.1mm, ﹣ 0mm, the bulb（1）And turret head（8）Total length is 28.3mm, and error be ±
0.2mm。
7. a kind of bulb screw according to claim 1, it is characterised in that：The bulb（1）Spherical part arrives at center
Polished rod（4）Distance be 21.3mm, and error be ± 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009141.3U CN207814165U (en) | 2018-01-04 | 2018-01-04 | A kind of bulb screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009141.3U CN207814165U (en) | 2018-01-04 | 2018-01-04 | A kind of bulb screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814165U true CN207814165U (en) | 2018-09-04 |
Family
ID=63329290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820009141.3U Active CN207814165U (en) | 2018-01-04 | 2018-01-04 | A kind of bulb screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814165U (en) |
-
2018
- 2018-01-04 CN CN201820009141.3U patent/CN207814165U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |