CN217873715U - Special-shaped nut - Google Patents
Special-shaped nut Download PDFInfo
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- CN217873715U CN217873715U CN202221929499.0U CN202221929499U CN217873715U CN 217873715 U CN217873715 U CN 217873715U CN 202221929499 U CN202221929499 U CN 202221929499U CN 217873715 U CN217873715 U CN 217873715U
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- nut
- movable sleeve
- guide post
- hollow
- fixing base
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Abstract
The utility model relates to a field discloses a dysmorphism nut, including the nut body, its characterized in that: be equipped with the elastic component who is used for eliminating the screw thread clearance that the nut produced when cooperating on the nut body, elastic component includes cavity fixing base, guide post, spring, movable sleeve, the cavity fixing base is located the side of nut body, the guide post is fixed to be set up in the cavity fixing base, the activity sets up in the cavity fixing base from top to bottom of movable sleeve, the movable sleeve cover is established on the guide post, through spring coupling between cavity fixing base and the movable sleeve, the spring housing is established on the guide post, the outside of cavity fixing base is stretched out to the one end of guide post, and when the nut installation, the elastic component who is located on the nut plate can contradict with the installation face, has applyed an axial pressure to threaded connection department, axial clearance when having eliminated threaded connection for the nut body is difficult to become flexible.
Description
Technical Field
The utility model belongs to the fastener field especially relates to a special-shaped nut.
Background
Ordinary nut is when carrying out threaded connection, and threaded connection itself just has the clearance, and when the fastener installation back, actually only 2 to 3 screw threads are in the pressure state, and remaining most screw threads are in the virtual state of connecing, and this part screw thread can not provide sufficient frictional resistance and prevent that the screw thread from rolling back, so will lead to the phenomenon that the screw thread is not hard up under the many situations in real environment.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a special-shaped nut, including the nut body, be equipped with the elastic component who is used for eliminating the screw thread clearance that the nut produced when carrying out the cooperation on the nut body, elastic component includes cavity fixing base, guide post, spring, movable sleeve, the cavity fixing base is located the side of nut body, the guide post is fixed to be set up in the cavity fixing base, the activity sets up in the cavity fixing base about the movable sleeve, the movable sleeve cover is established on the guide post, through spring coupling between cavity fixing base and the movable sleeve, the spring housing is established on the guide post, the outside of cavity fixing base is stretched out to the one end of guide post.
As a further improvement of the utility model: a groove is formed above the movable sleeve, the lower end of the guide post is located in the groove, the lower end of the spring is located in the groove and is fixedly connected with the inner side bottom wall of the groove, and the upper end of the spring is fixedly connected with the hollow fixed seat.
As a further improvement of the utility model: and a limiting component is arranged between the lower end part of the hollow fixed seat and the upper end part of the movable sleeve.
As a further improvement of the utility model: the limiting component comprises a hollow limiting ring fixedly arranged in the hollow fixing seat and a limiting convex ring fixedly arranged on the outer side wall of the circumference of the movable sleeve, the limiting convex ring is positioned above the hollow limiting ring, and the radius of the limiting convex ring is greater than that of the hollow limiting ring.
As a further improvement of the utility model: the nut comprises a nut body and is characterized in that a plate is fixed on the outer circumferential surface of the upper portion of the nut body, and the hollow fixing seat is fixedly arranged below the plate.
As a further improvement of the utility model: the length of guide post is greater than the length of cavity fixing base, the diameter of movable sleeve is less than the diameter of cavity fixing base.
As a further improvement of the utility model: the upper end face and the lower end face of the plate are parallel to the upper end face and the lower end face of the nut body, and the left end and the right end of the plate are arranged in an arc shape.
The beneficial effects of the utility model reside in that: when the nut is installed, the elastic component positioned on the nut plate can be abutted to the installation surface, axial pressure is applied to the threaded connection part, and the axial gap in the threaded connection process is eliminated, so that the nut body is not easy to loosen.
Drawings
FIG. 1 is a schematic structural diagram of a special-shaped nut;
FIG. 2 is a schematic top view of a profile nut;
fig. 3 is a schematic structural view of the nut body and the mounting plate when the nut body and the mounting plate are mounted;
fig. 4 is the structure diagram of the nut body and the mounting plate of the present invention after being installed.
Description of reference numerals: 1. the nut comprises a nut body, 2 plates, 3 hollow fixing seats, 4 guide posts, 5 springs, 6 movable sleeves, 7 limiting convex rings and 8 hollow limiting rings.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments shown in the accompanying drawings.
Referring to the attached drawings 1-4, the special-shaped nut of the embodiment comprises a nut body 1, wherein an elastic assembly for eliminating a thread gap generated when the nut is matched is arranged on the nut body 1, the elastic assembly comprises a hollow fixed seat 3, a guide post 4, a spring 5 and a movable sleeve 6, the hollow fixed seat 3 is arranged on the side surface of the nut body 1, the guide post 4 is fixedly arranged in the hollow fixed seat 3, the movable sleeve 6 is movably arranged in the hollow fixed seat 3 up and down, the movable sleeve 6 is sleeved on the guide post 4, the hollow fixed seat 3 is connected with the movable sleeve 6 through the spring 5, the spring 5 is sleeved on the guide post 4, one end of the guide post 4 extends out of the outer side of the hollow fixed seat 3, when the nut is required to be installed, the nut is screwed in, the movable sleeve 6 arranged on the nut is in contact with a mounting surface of a mounting plate, the movable sleeve 6 is connected with the spring 5, in the process of continuing the nut, the nut and the movable sleeve 6 is slowly pressed into the mounting surface through the spring 5, the movable sleeve 6 is firmly connected with the mounting surface, the spring 5, and the spring 5 is gradually compressed in the axial direction of the mounting surface, so that the spring 5 is gradually compressed and the spring 5 and the nut is also compressed in the axial direction, and the axial clearance is eliminated.
The utility model discloses a further set up to: the movable sleeve is characterized in that a groove is formed in the upper portion of the movable sleeve 6, the lower end of the guide column 4 is located in the groove, the lower end of the spring 5 is located in the groove and is fixedly connected with the inner side bottom wall of the groove, the upper end of the spring 5 is fixedly connected with the hollow fixing seat 3, the movable sleeve 6 is connected with the hollow fixing seat 3 through the spring 5, the central axes of the movable seat, the fixing column and the hollow fixing seat 3 are consistent, and the movable sleeve 6 can move linearly through the guide column 4 to facilitate installation of the spring.
The utility model discloses a further set up to: be equipped with spacing subassembly between the lower tip of cavity fixing base 3 and the upper end of movable sleeve 6, when movable sleeve 6 was removing, spacing to the biggest stroke of movable sleeve 6 through spacing subassembly to make movable sleeve 6 can not break away from the festival with cavity fixing base 3 under the natural state of not locking, improved the availability factor.
The utility model discloses a further set up to: spacing subassembly establishes spacing bulge loop 7 on the lateral wall of the 6 circumference of movable sleeve including fixed cavity spacing ring 8 and the fixed cover that sets up in the cavity fixing base, spacing bulge loop 7 is located the top of cavity spacing ring 8, the radius of spacing bulge loop 7 is greater than the cavity radius of cavity spacing ring 8, and is spacing through cavity spacing ring 8 and spacing bulge loop 7, when the maximum stroke is arrived in the motion of movable sleeve 6, spacing bulge loop 7 will contact with cavity spacing ring 8 to restriction movable sleeve 6's motion.
The utility model discloses a further set up to: the circumference surface mounting on the upper portion of nut body 1 has plate 2, the fixed setting in the below of plate 2 of cavity fixing base 3.
The utility model discloses a further set up to: the length of guide post 4 is greater than the length of cavity fixing base 3, the diameter of movable sleeve 6 is less than the diameter of cavity fixing base 3, and movable sleeve 6 installs and moves in cavity fixing base 3.
The utility model discloses a further set up to: the upper end face and the lower end face of the plate 2 are parallel to the upper end face and the lower end face of the nut body 1, the left end and the right end of the plate 2 are arc-shaped and parallel to the two end faces, and therefore force applied by the elastic components at the two ends is uniform when pressure is applied.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and any decoration, modification or equivalent replacement made by those skilled in the art according to the above description is within the protection scope of the present invention.
Claims (7)
1. The utility model provides a dysmorphism nut, including the nut body, its characterized in that: the nut body is provided with an elastic assembly used for eliminating thread gaps generated when the nut is matched, the elastic assembly comprises a hollow fixing seat, a guide post, a spring and a movable sleeve, the hollow fixing seat is located on the side face of the nut body, the guide post is fixedly arranged in the hollow fixing seat, the movable sleeve is movably arranged in the hollow fixing seat from top to bottom, the movable sleeve is arranged on the guide post in a sleeved mode, the hollow fixing seat is connected with the movable sleeve through the spring, the spring sleeve is arranged on the guide post in a sleeved mode, and one end of the guide post stretches out of the outer side of the hollow fixing seat.
2. The profile nut according to claim 1, wherein: a groove is formed above the movable sleeve, the lower end of the guide post is located in the groove, the lower end of the spring is located in the groove and is fixedly connected with the inner side bottom wall of the groove, and the upper end of the spring is fixedly connected with the hollow fixed seat.
3. The profile nut according to claim 2, wherein: and a limiting component is arranged between the lower end part of the hollow fixed seat and the upper end part of the movable sleeve.
4. A profile nut as claimed in claim 3, wherein: the limiting assembly comprises a hollow limiting ring fixedly arranged in the hollow fixing seat and a limiting convex ring fixedly arranged on the outer side wall of the circumference of the movable sleeve, the limiting convex ring is positioned above the hollow limiting ring, and the radius of the limiting convex ring is greater than the hollow radius of the hollow limiting ring.
5. The profile nut as claimed in claim 4, wherein: the circumference surface mounting on the upper portion of nut body has the plate, the fixed setting in the below of plate of cavity fixing base.
6. A profile nut as claimed in claim 5, wherein: the length of guide post is greater than the length of cavity fixing base, the diameter of movable sleeve is less than the diameter of cavity fixing base.
7. The profile nut according to claim 6, wherein: the upper end face and the lower end face of the plate are parallel to the upper end face and the lower end face of the nut body, and the left end and the right end of the plate are arranged in an arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221929499.0U CN217873715U (en) | 2022-07-23 | 2022-07-23 | Special-shaped nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221929499.0U CN217873715U (en) | 2022-07-23 | 2022-07-23 | Special-shaped nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217873715U true CN217873715U (en) | 2022-11-22 |
Family
ID=84055469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221929499.0U Active CN217873715U (en) | 2022-07-23 | 2022-07-23 | Special-shaped nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217873715U (en) |
-
2022
- 2022-07-23 CN CN202221929499.0U patent/CN217873715U/en active Active
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| GR01 | Patent grant |