CN208764087U - A kind of ball screw nut - Google Patents
A kind of ball screw nut Download PDFInfo
- Publication number
- CN208764087U CN208764087U CN201820984764.2U CN201820984764U CN208764087U CN 208764087 U CN208764087 U CN 208764087U CN 201820984764 U CN201820984764 U CN 201820984764U CN 208764087 U CN208764087 U CN 208764087U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- bolt head
- screw
- bolt
- ball screw
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of ball screw nuts, including bolt head, screw rod, screw thread, the top of the screw rod is equipped with bolt head, the bolt head and screw rod are integrally formed, the screw rod includes screw rod top and screw rod lower part, the screw rod top and the molding of screw rod portion integral, the screw rod top are connected to the bottom center of bolt head, and the lateral surface of the screw rod lower part is equipped with screw thread.A kind of ball screw nut of the utility model, structure is simple, solving the problems, such as tightening on existing some threaded screw fasteners heads, groove shape is relatively simple, is easy to slip, the center of bolt head top surface is equipped with bolt fastening slot, bolt fastening slot is the groove of hexagram, it is suitble to that bolt is tightened on material using rice font screwdriver, is not easy to slip when tightening, safety is good；Bolt head side and bolt head top surface junction are equipped with chamfering structure, make the more round cunning of bolt header structure, reduce surface damage；It is equipped with transition part between screw rod top and screw rod lower part, keeps screw rod integrated connection stronger, is not easily broken or bending.
Description
[technical field]
The utility model relates to a kind of technical field of bolt, especially a kind of technical field of ball screw nut.
[background technique]
Bolt is a kind of cylindrical threaded machine components, has externally threaded cylindrical body two parts by head and screw rod
Composition, need to cooperate with nut, for being fastenedly connected two with through-hole.Bolt is worked as in industrial production and manufacturing in daily life
In be it is essential, with very extensive.Groove on traditional bolt head top surface is cross or linear type, appearance when tightening
Easily slip；Screw rod is equipped with threaded portion and connect with smooth surface part not round and smooth, is easily destroyed the structure of fixed material.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of ball screw nut, bolt head top surface
On groove be hexagram, be not easy to slip.
To achieve the above object, described the utility model proposes a kind of ball screw nut, including bolt head, screw rod, screw thread
The top of screw rod is equipped with bolt head, and the bolt head and screw rod are integrally formed, and the screw rod includes screw rod top and screw rod lower part,
The screw rod top and the molding of screw rod portion integral, the screw rod top are connected to the bottom center of bolt head, under the screw rod
The lateral surface in portion is equipped with screw thread.
Preferably, the bolt head is truncated cone-shaped structure, the bolt head includes bolt head side and bolt head top surface,
The junction of the bolt head side and bolt head top surface is equipped with chamfering structure, and it is tight that the center of the bolt head top surface is equipped with bolt
Gu slot.
Preferably, being equipped with transition part between the screw rod top and screw rod lower part, the transition part includes being integrally formed
Straightway and arc section, the upper end connecting screw top of the straightway, the lower end connecting screw lower part of the arc section.
Preferably, the bottom end of the screw rod lower part is equipped with tip, the tip is conical structure, is covered on the tip
It is stamped screw thread.
Preferably, the screw thread extends to the end of screw rod lower part from the top of screw rod lower part.
Preferably, the outer diameter on the screw rod top is greater than the outer diameter of screw rod lower part, the length of the screw rod lower part is greater than
The length on screw rod top.
Preferably, the bolt fastening slot is the groove of hexagram.
Preferably, the tooth form of the screw thread uses triangle thread.
The utility model has the beneficial effects that a kind of ball screw nut of the utility model, structure is simple, solves existing some spiral shells
Groove shape is relatively simple for tightening on bolt bolt head, is easy the problem of slipping, and the center of bolt head top surface is equipped with bolt fastening slot,
Bolt fastening slot is the groove of hexagram, is suitble to that bolt is tightened on material using rice font screwdriver, is not easy when tightening
It slips, safety is more preferably；The junction of bolt head side and bolt head top surface is equipped with chamfering structure, keeps bolt header structure more round
It is sliding, reduce surface damage；It is equipped with transition part between screw rod top and screw rod lower part, keeps screw rod integrated connection stronger, it is not easy to break
Disconnected or bending.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of ball screw nut of the utility model；
Fig. 2 is a kind of structural schematic diagram of the bolt head top surface of ball screw nut of the utility model.
In figure: 1- bolt head, 2- screw rod, 3- screw thread, 11- bolt head side, 12- bolt head top surface, 13- chamfering structure,
21- screw rod top, 22- screw rod lower part, 23- transition part, 120- bolt fastening slot, 220- tip, 231- straightway, 232- circular arc
Section.
[specific embodiment]
Refering to fig. 1 with 2, a kind of ball screw nut of the utility model, including bolt head 1, screw rod 2, screw thread 3, the screw rod 2
Top is equipped with bolt head 1, and the bolt head 1 and screw rod 2 are integrally formed, and the screw rod 2 includes screw rod top 21 and screw rod lower part
22, the screw rod top 21 and screw rod lower part 22 are integrally formed, and the screw rod top 21 is connected to the bottom center of bolt head 1,
The lateral surface of the screw rod lower part 22 is equipped with screw thread 3, and the bolt head 1 is truncated cone-shaped structure, and the bolt head 1 includes bolt
The junction of head side 11 and bolt head top surface 12, the bolt head side 11 and bolt head top surface 12 is equipped with chamfering structure 13,
The center of the bolt head top surface 12 is equipped with bolt fastening slot 120, is equipped between the screw rod top 21 and screw rod lower part 22
Portion 23 is crossed, the transition part 23 includes integrally formed straightway 231 and arc section 232, and the upper end of the straightway 231 connects
The bottom end on screw rod top 21, the lower end connecting screw lower part 22 of the arc section 232, the screw rod lower part 22 is equipped with tip 220,
The tip 220 is conical structure, is covered with screw thread 3, top of the screw thread 3 from screw rod lower part 22 on the tip 220
The end of screw rod lower part 22 is extended to, the outer diameter on the screw rod top 21 is greater than the outer diameter of screw rod lower part 22, the screw rod lower part
22 length is greater than the length on screw rod top 21, and the bolt fastening slot 120 is the groove of hexagram, the tooth of the screw thread 3
Type uses triangle thread.
Utility model works process:
During the work time, the center of bolt head top surface 12 is equipped with bolt fastening slot to a kind of ball screw nut of the utility model
120, bolt fastening slot 120 is the groove of hexagram, is suitble to that bolt is tightened on material using rice font screwdriver, tightens
Shi Buyi is slipped, and safety is more preferably；Screw rod 2 includes screw rod top 21 and screw rod lower part 22, and screw rod lower part 22 is equipped with screw thread 3, spiral shell
Transition part 23 is equipped between bar top 21 and screw rod lower part 22, transition part 23 can make the connection of the entirety of screw rod 2 stronger, not easy to break
Disconnected or bending.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Scheme after type simple transformation belongs to the protection scope of the utility model.
Claims (8)
1. a kind of ball screw nut, it is characterised in that: including bolt head (1), screw rod (2), screw thread (3), the top of the screw rod (2)
Equipped with bolt head (1), the bolt head (1) and screw rod (2) are integrally formed, and the screw rod (2) includes screw rod top (21) and spiral shell
Bar lower part (22), the screw rod top (21) and screw rod lower part (22) are integrally formed, and the screw rod top (21) is connected to bolt
The lateral surface of the bottom center of head (1), the screw rod lower part (22) is equipped with screw thread (3).
2. a kind of ball screw nut as described in claim 1, it is characterised in that: the bolt head (1) is truncated cone-shaped structure, described
Bolt head (1) includes bolt head side (11) and bolt head top surface (12), the bolt head side (11) and bolt head top surface
(12) junction is equipped with chamfering structure (13), and the center of the bolt head top surface (12) is equipped with bolt fastening slot (120).
3. a kind of ball screw nut as described in claim 1, it is characterised in that: the screw rod top (21) and screw rod lower part (22)
Between be equipped with transition part (23), the transition part (23) includes integrally formed straightway (231) and arc section (232), described
The upper end connecting screw top (21) of straightway (231), the lower end connecting screw lower part (22) of the arc section (232).
4. a kind of ball screw nut as described in claim 1, it is characterised in that: the bottom end of the screw rod lower part (22) is equipped with tip
(220), the tip (220) is conical structure, is covered with screw thread (3) on the tip (220).
5. a kind of ball screw nut as described in claim 1, it is characterised in that: top of the screw thread (3) from screw rod lower part (22)
End extends to the end of screw rod lower part (22).
6. a kind of ball screw nut as described in claim 1, it is characterised in that: the outer diameter of the screw rod top (21) is greater than screw rod
The outer diameter of lower part (22), the length of the screw rod lower part (22) are greater than the length of screw rod top (21).
7. a kind of ball screw nut as claimed in claim 2, it is characterised in that: the bolt fastening slot (120) is hexagram
Groove.
8. a kind of ball screw nut as described in any one of claims 1 to 7, it is characterised in that: the tooth form of the screw thread (3) is adopted
Use triangle thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820984764.2U CN208764087U (en) | 2018-06-26 | 2018-06-26 | A kind of ball screw nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820984764.2U CN208764087U (en) | 2018-06-26 | 2018-06-26 | A kind of ball screw nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764087U true CN208764087U (en) | 2019-04-19 |
Family
ID=66127561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820984764.2U Expired - Fee Related CN208764087U (en) | 2018-06-26 | 2018-06-26 | A kind of ball screw nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208764087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626231A (en) * | 2018-06-26 | 2018-10-09 | 海盐县奕涵标准件厂 | A kind of snap bolt |
-
2018
- 2018-06-26 CN CN201820984764.2U patent/CN208764087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626231A (en) * | 2018-06-26 | 2018-10-09 | 海盐县奕涵标准件厂 | A kind of snap bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190419 Termination date: 20210626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |