CN220185730U - Anti-drop screw nut - Google Patents
Anti-drop screw nut Download PDFInfo
- Publication number
- CN220185730U CN220185730U CN202321968588.0U CN202321968588U CN220185730U CN 220185730 U CN220185730 U CN 220185730U CN 202321968588 U CN202321968588 U CN 202321968588U CN 220185730 U CN220185730 U CN 220185730U
- Authority
- CN
- China
- Prior art keywords
- nut
- working section
- spring retaining
- retaining sleeve
- section
- 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.)
- Active
Links
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 230000000452 restraining effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model relates to the technical field of transmission equipment, and provides an anti-drop screw nut which comprises a screw body, wherein the screw body is provided with a working section, two ends and a connecting section, the ends are positioned at two sides of the working section, the connecting section is positioned at one end of one end, the nut is sleeved on the screw body, the nut is meshed with the screw body at the working section, a first spring retaining sleeve is arranged on the ends, one end of a first elastic piece is arranged on the first spring retaining sleeve, and when the nut is positioned at the tail end of the working section, the other end of the first elastic piece is abutted with the nut. Through the technical scheme, the problem that the nut cannot be meshed again after being separated from the screw thread in the prior art is solved.
Description
Technical Field
The utility model relates to the technical field of transmission equipment, in particular to an anti-falling screw nut.
Background
The screw rod is a transmission element most commonly used in mechanical transmission, and has the main functions of converting rotary motion into linear motion or converting torque into axial acting force, and simultaneously has the characteristics of high precision, reversibility and high efficiency. Because of the small frictional resistance, lead screws are widely used in various industrial equipment and precision instruments. However, when the screw is used, the nut can be separated from the screw once exceeding the travel of the screw thread, and if no special installation tool is used, the nut is difficult to be installed back, so that the use is affected.
Disclosure of Invention
The utility model provides an anti-drop screw nut, which solves the problem that the nut in the related art cannot be meshed again after being separated from screw threads of the screw.
The technical scheme of the utility model is as follows:
an anti-drop screw nut, comprising
The screw rod body is provided with a working section, two ends and a connecting section, wherein the ends are positioned at two sides of the working section, and the connecting section is positioned at one end of one end;
the nut is sleeved on the screw rod body and meshed with the working section;
a first spring retention sleeve disposed over the tip;
and one end of the first elastic piece is arranged on the first spring retaining sleeve, and when the nut is positioned at the tail end of the working section, the other end of the first elastic piece is abutted with the nut.
As a further technical proposal, also comprises
The second spring retaining sleeve is arranged on the end head in a sliding mode, the second spring retaining sleeve is abutted to the other end of the first elastic piece, and when the nut is located at the tail end of the working section, the second spring retaining sleeve is abutted to the nut.
As a further technical proposal, also comprises
The shaft shoulder is arranged on the screw rod body, is positioned between one end head and the connecting section and is used for restraining the axial displacement of the first spring retaining sleeve.
As a further technical proposal, also comprises
And the gland is arranged on the end far away from the working section and is used for preventing the first spring retaining sleeve from falling off.
The working principle and the beneficial effects of the utility model are as follows:
in order to solve the problem that a screw nut in the related art is separated from screw threads and cannot be meshed again, a group of first spring retaining sleeves and first elastic pieces are arranged on two ends of a screw body, when the nut is in a normal stroke of a working section, the first elastic pieces cannot influence movement of the nut, when the nut is about to be separated from the working section, the nut can be abutted with the first elastic pieces, the first elastic pieces are compressed and restrain the nut at the tail end of the working section, and the nut can reset by itself and continuously meshed with the working section for transmission. When the nut is used, the driving piece can be in transmission connection with the connecting part, and also can be in transmission connection with the nut, so that the problem that the nut falls off from the working section and cannot be meshed again can be avoided.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
in the figure: 1. the screw rod comprises a screw rod body, 2, a working section, 3, an end socket, 4, a connecting section, 5, a nut, 6, a first spring retaining sleeve, 7, a first elastic piece, 8, a second spring retaining sleeve, 9, a shaft shoulder, 10 and a gland.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.
As shown in fig. 1-2, the present embodiment proposes
An anti-drop screw nut, comprising
The screw rod comprises a screw rod body 1, wherein the screw rod body 1 is provided with a working section 2, two ends 3 and a connecting section 4, the ends 3 are positioned on two sides of the working section 2, and the connecting section 4 is positioned at one end of one end 3;
the nut 5 is sleeved on the screw rod body 1, and the nut 5 is meshed with the working section 2;
a first spring retention sleeve 6 disposed on the head 3;
and one end of the first elastic piece 7 is arranged on the first spring retaining sleeve 6, and when the nut 5 is positioned at the tail end of the working section 2, the other end of the first elastic piece 7 is abutted against the nut 5.
In this embodiment, in order to solve the problem that the screw nut in the related art is separated from the screw thread and cannot be meshed again, a set of first spring retaining sleeves 6 and first elastic members 7 are arranged on two ends 3 of the screw body 1, when the nut 5 is in the normal stroke of the working section 2, the first elastic members 7 cannot affect the movement of the nut, when the nut 5 is about to be separated from the working section 2, the nut 5 can abut against the first elastic members 7, the first elastic members 7 are compressed and restrain the nut 5 at the tail end of the working section 2, and the nut 5 can reset by itself and continue to be meshed with the working section 2.
Specifically, when using the lead screw, at first be connected the linkage segment 4 or the nut 5 of lead screw body 1 with the output of driving piece, make nut 5 remove in work section 2 through the output of driving piece, can with first elastic component 7 butt when nut 5 removes the stroke that surpasss work section 2, first elastic component 7 is compressed and with nut 5 top to work section 2, prevent nut 5 from deviate from work section 2, through control driving piece reversal, can reset nut 5 at this moment, can reset nut 5 and install work section 2 without other assembly tools, easy operation is convenient.
Further, also include
The second spring retaining sleeve 8 is slidably arranged on the end head 3, the second spring retaining sleeve 8 is abutted with the other end of the first elastic piece 7, and when the nut 5 is positioned at the tail end of the working section 2, the second spring retaining sleeve 8 is abutted with the nut 5.
In this embodiment, in order to make the first elastic member 7 uniformly stressed when the first elastic member 7 abuts against the nut, the center of the first elastic member 7 can always coincide with the axis of the screw body 1, the second spring retaining sleeve 8 is provided at the other end of the first elastic member 7, and when the nut 5 is separated from the working section 2, the first elastic member 7 abuts against the second spring retaining sleeve 8, and the first elastic member 7 presses the nut 5 toward the working section through the second spring retaining sleeve 8.
Further, also include
The shaft shoulder 9 is arranged on the screw rod body 1, the shaft shoulder 9 is positioned between one end head 3 and the connecting section 4, and the shaft shoulder 9 is used for restraining the axial displacement of the first spring retaining sleeve 6.
In this embodiment, the shaft shoulder 9 is disposed on the screw body 1 to limit the position of the first spring retaining sleeve 6, so as to avoid that the first spring retaining sleeve 6 falls off to affect the rotation of the screw body 1 during the rotation of the screw body 1. Meanwhile, the distance between the first spring retaining sleeve 6 and the tail end of the working section 2 is long, and if the nut 5 falls off, the first elastic piece 7 cannot push the nut 5 to the working section 2, namely, the falling-off prevention function cannot be achieved.
Further, also include
A gland 10 is provided on the end 3 remote from the working section 2, the gland 10 being adapted to prevent the first spring retaining sleeve 6 from falling off.
In this embodiment, a gland 10 is also provided on the end 3 remote from the working section 2 to limit the position of the first spring retainer 6 and prevent the first spring retainer 6 from falling off.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The utility model provides an anticreep lead screw nut which characterized in that includes
The screw rod comprises a screw rod body (1), wherein the screw rod body (1) is provided with a working section (2), two ends (3) and a connecting section (4), the ends (3) are positioned on two sides of the working section (2), and the connecting section (4) is positioned at one end of one end (3);
the nut (5) is sleeved on the screw rod body (1), and the nut (5) is meshed with the working section (2);
a first spring retention sleeve (6) arranged on the end head (3);
and one end of the first elastic piece (7) is arranged on the first spring retaining sleeve (6), and when the nut (5) is positioned at the tail end of the working section (2), the other end of the first elastic piece (7) is abutted with the nut (5).
2. The anti-slip lead screw nut of claim 1, further comprising
The second spring retaining sleeve (8) is arranged on the end head (3) in a sliding mode, the second spring retaining sleeve (8) is abutted to the other end of the first elastic piece (7), and when the nut (5) is located at the tail end of the working section (2), the second spring retaining sleeve (8) is abutted to the nut (5).
3. The anti-slip lead screw nut according to claim 2, further comprising
The shaft shoulder (9) is arranged on the screw rod body (1), the shaft shoulder (9) is positioned between one end head (3) and the connecting section (4), and the shaft shoulder (9) is used for restraining the axial displacement of the first spring retaining sleeve (6).
4. A drop-resistant lead screw nut as claimed in claim 3, further comprising
And the gland (10) is arranged on the end (3) far away from the working section (2), and the gland (10) is used for preventing the first spring retaining sleeve (6) from falling off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321968588.0U CN220185730U (en) | 2023-07-25 | 2023-07-25 | Anti-drop screw nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321968588.0U CN220185730U (en) | 2023-07-25 | 2023-07-25 | Anti-drop screw nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185730U true CN220185730U (en) | 2023-12-15 |
Family
ID=89112928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321968588.0U Active CN220185730U (en) | 2023-07-25 | 2023-07-25 | Anti-drop screw nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185730U (en) |
-
2023
- 2023-07-25 CN CN202321968588.0U patent/CN220185730U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2728252A (en) | Predetermined torque release threaded fastener setting tool | |
| CN220185730U (en) | Anti-drop screw nut | |
| CN210920079U (en) | Transmission shifting fork with fork angle self-adjusting function | |
| CN203114879U (en) | Adaptive regulator of connecting rod mechanism | |
| CN215908292U (en) | Large-angle rotation limit control device | |
| CN2775398Y (en) | R-shape slide screw nut | |
| CN210510188U (en) | Pre-tightening structure capable of reducing axial return clearance error of ball screw pair | |
| IL112214A (en) | Riveting device | |
| CN106426093B (en) | Compact torsion reset mechanism based on space cam | |
| CN212480038U (en) | Anti-backlash nut for improving precision of ball screw | |
| CN201258956Y (en) | Extending ball screw with anti-reversing structure | |
| CN109404409A (en) | A kind of six side's transmission shaft structure of fluting that can eliminate drive gap | |
| CN213970901U (en) | Push type deep hole spanner | |
| CN211867630U (en) | A stability electric tool for workshop | |
| CN220227708U (en) | Ball screw | |
| CN107228192B (en) | Gear adjusting device and method | |
| CN201415383Y (en) | Electric screwdriver | |
| CN2494889Y (en) | Full thread locking nut | |
| US20060060035A1 (en) | Fast monkey wrench | |
| GB1112806A (en) | Improvements in or relating to torque wrenches | |
| CN210566082U (en) | Stable ball screw | |
| CN209894377U (en) | Intelligent electric actuator torque detection mechanism with clearance elimination device | |
| CN219472596U (en) | Automatic resetting universal joint | |
| CN220850627U (en) | Screw clearance eliminating device | |
| CN216895614U (en) | Ball screw sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |