CN215521568U - Nut component suitable for narrow space - Google Patents
Nut component suitable for narrow space Download PDFInfo
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- CN215521568U CN215521568U CN202121467507.XU CN202121467507U CN215521568U CN 215521568 U CN215521568 U CN 215521568U CN 202121467507 U CN202121467507 U CN 202121467507U CN 215521568 U CN215521568 U CN 215521568U
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- nut
- thread structure
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- wall
- screw rod
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Abstract
The nut component suitable for narrow space comprises a first nut, a second nut and a nut sleeve; the inner wall of the first nut is axially provided with a first half thread structure, the inner wall of the second nut is axially provided with a second half thread structure, and the first half thread structure and the second half thread structure are matched to form an internal thread to be matched with the external thread of the screw rod; the first nut and the second nut can move in the radial direction relative to the screw rod, so that the first half thread structure of the first nut and the second half thread structure of the second nut are disengaged from the tooth teeth of the external thread on the screw rod respectively; the nut sleeve can be sleeved on the first nut and the second nut at the same time so as to limit the first nut and the second nut to move in the radial direction relative to the screw rod. The nut assembly can replace the threaded matching of the nut and the screw rod, and is convenient to detach from the screw rod, so that the nut assembly is suitable for being used in the environment of a narrow space.
Description
Technical Field
The utility model belongs to the technical field related to nuts, and particularly relates to a nut assembly suitable for a narrow space.
Background
And a nut, a part which is usually connected with the screw rod for fastening. The screw thread matching structure between the nut and the screw rod can realize the bolt connection or the bolt disconnection between the nut and the screw rod in a nut screwing mode.
It will be appreciated that when the nut threaded on the threaded rod needs to be removed from the threaded rod, an auxiliary tool such as a wrench is usually required. However, when the nut is located in a narrow space and cannot provide sufficient working space for auxiliary tools such as a wrench, the nut cannot be detached from the screw rod by the conventional method, and therefore, the nut can be detached from the screw rod only by a breaking-in mode, and the use requirements of enterprises cannot be met.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a nut assembly suitable for use in a narrow space, in view of the technical problems in the prior art.
The nut assembly suitable for the narrow space comprises a first nut, a second nut and a nut sleeve; the inner wall of the first nut is axially provided with a first half thread structure, the inner wall of the second nut is axially provided with a second half thread structure, and the first half thread structure and the second half thread structure are matched to form an internal thread to be matched with an external thread of the screw rod; and the first nut and the second nut are capable of radial movement relative to the screw to disengage the first half-thread formation of the first nut and the second half-thread formation of the second nut from the respective teeth of the external thread on the screw; the nut sleeve can be sleeved on the first nut and the second nut at the same time so as to limit the first nut and the second nut to move in the radial direction relative to the screw rod.
As a preferable aspect of the present invention, arc grooves are axially formed in inner walls of the first nut and the second nut, and a depth of each arc groove is greater than thicknesses of the first half thread structure and the second half thread structure.
In a preferred embodiment of the present invention, the arc angle of the arc groove corresponding to the first nut and the second nut is equal to or greater than 180 °.
In a preferred embodiment of the present invention, the arc angle of the arc groove is 180 °.
As a preferable aspect of the present invention, an arc angle of the first half-thread structure on the first nut is equal to 180 °; and the corresponding arc angle of the second half thread structure on the second nut is equal to 180 degrees.
In a preferred aspect of the present invention, an inner wall of the nut holder is capable of simultaneously abutting against an outer wall of the first nut and an outer wall of the second nut to restrict radial movement of the first nut and the second nut relative to the nut holder.
In a preferred aspect of the present invention, the outer circumferential surface of the first nut and the outer circumferential surface of the second nut are both hexagonal surfaces.
In a preferred embodiment of the present invention, the nut sleeve is provided with a shifting portion, and the shifting portion can drive the nut sleeve to move axially relative to the first nut and the second nut, so that the nut sleeve is separated from the first nut and the second nut.
In a preferred embodiment of the present invention, the striking portion is a groove formed in an end portion of the nut bushing.
In a preferred embodiment of the present invention, the nut bushing has a hexagonal surface on an outer peripheral surface thereof.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
according to the nut component suitable for the narrow space, the nut component can replace a nut to be in threaded connection with a screw rod through reasonable structural arrangement, when the nut component needs to be disassembled from the screw rod, the nut sleeve can be separated from the first nut and the second nut, the first nut and the second nut are driven to move radially relative to the screw rod by using the structural characteristics of the first nut and the second nut, so that the first half thread structure of the first nut and the second half thread structure of the second nut are separated from the outer nut of the screw rod, then the nut component can be disassembled from the screw rod by lifting the first nut and the second nut, and the nut component can be conveniently disassembled from the screw rod to be suitable for being used in the environment of the narrow space.
Drawings
Fig. 1 is a schematic structural diagram of a nut assembly suitable for use in a small space according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the first nut and the second nut in the utility model.
Fig. 3 is a schematic structural view of the first nut of the present invention.
Fig. 4 is a schematic structural view of a second nut according to the present invention.
10, a first nut; 11. a first half-thread structure; 20. a second nut; 21. a second half-thread structure; 30. a nut sleeve; 31. a toggle part; 120. an arc groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1 to 4, the nut assembly for a narrow space, which is claimed in the present invention, includes a first nut 10, a second nut 20, and a nut sleeve 30.
The first half-thread structure 11 is axially disposed on the inner wall of the first nut 10, the second half-thread structure 21 is axially disposed on the inner wall of the second nut 20, and the first half-thread structure 11 and the second half-thread structure 21 can be formed into an internal thread in cooperation for matching with an external thread of a screw (not shown). That is, when the first nut 10 and the second nut 20 of the present embodiment are assembled to the screw and fitted to each other, they can be formed to correspond to one complete nut and screwed with the screw.
The first nut 10 and the second nut 20 of the present embodiment are movable in the radial direction relative to the screw such that the first half-thread structure 11 of the first nut 10 and the second half-thread structure 21 of the second nut 20 are disengaged from the respective teeth of the male thread of the screw. When the first nut 10 and the second nut 20 need to be removed from the screw, the first nut 10 and the second nut 20 can be moved radially relative to the screw, so that the first half-thread structure 11 on the first nut 10 and the second half-thread structure 21 on the second nut 20 are disengaged from the screw, thereby achieving the purpose of facilitating the removal of the first nut 10 and the second nut 20 from the screw.
Specifically, the inner walls of the first nut 10 and the second nut 20 of the present embodiment are both provided with an arc groove 120 in the axial direction, and the depth of the arc groove 120 is greater than the thickness of the first half-thread structure 11 and the second half-thread structure 21, so that the arc groove 120 of the present embodiment provides an avoidance space for the first nut 10 and the second nut 20 to move in the radial direction on the screw, so that when the first nut 10 and the second nut 20 move in the radial direction on the screw, the first half-thread structure 11 on the first nut 10 and the second half-thread structure 21 on the second nut 20 can be separated from the external threads on the screw, and thus, the first nut 10 and the second nut 20 can be separated from the screw only by lifting up, thereby achieving the effect of facilitating the first nut 10 and the second nut 20 to be detached from the screw.
The arc angle of the arc groove 120 corresponding to the first nut 10 and the second nut 20 is greater than or equal to 180 °, so that the arc groove 120 can form a sufficient avoidance space on the first nut 10 and the second nut 20, thereby ensuring that the first half thread structure 11 on the first nut 10 and the second half thread structure on the second nut 20 release the thread fit with the screw when the first nut 10 and the second nut 20 move radially on the screw.
In the present embodiment, the arc angle of the arc groove 120 of the present embodiment is 180 °.
In addition, the first half-thread structure 11 of the present embodiment corresponds to an arc angle equal to 180 ° on the first nut 10; and, the corresponding circular arc angle of the second half-thread structure 21 on the second nut 20 is equal to 180 °, so as to improve the area of the first half-thread structure 11 on the first nut 10 and the second half-thread structure 21 on the second nut 20 matching with the tooth of the screw rod, and further improve the stability of the connection of the first nut 10 and the second nut 20 on the screw rod. It should be noted that the arc angles of the first half thread structure 11 and the second half thread structure 21 are not limited to 180 ° as shown in the figure, and those skilled in the art can set the arc angles of the first half thread structure 11 and the second half thread structure 21 to other angles smaller than 180 °, such as 150 °, 120 °, or even 90 °.
In the present embodiment, the nut sleeve 30 of the present embodiment can be simultaneously fitted over the first nut 10 and the second nut 20 to restrict the first nut 10 and the second nut 20 from moving in the radial direction with respect to the screw. In this embodiment, the nut sleeve 30 can be sleeved on the first nut 10 and the second nut 20 screwed on the screw to prevent the first nut 10 and the second nut 20 from moving radially on the screw, so as to ensure the stability of the thread fit between the first nut 10 and the screw and the second nut 20.
It can be understood that, when the nut assembly of the present embodiment is assembled on the screw, the nut assembly of the present embodiment may specifically act on the first nut 10 and the second nut 20 first, so that the first half-thread structure 11 on the first nut 10 and the second half-thread structure 21 on the second nut 20 are symmetrically disposed on two sides of the circular center line on the first nut 10 or the second nut 20, and then the nut sleeve 30 is sleeved on the first nut 10 and the second nut 20, so that the nut sleeve 30, the first nut 10, and the second nut 20 form an integral structure, and then the nut assembly is screwed on the screw in a manner of driving the nut assembly to rotate integrally, so as to achieve the threaded fit between the nut assembly and the screw.
Specifically, the inner wall of the nut case 30 of the present embodiment can simultaneously abut against the outer wall of the first nut 10 and the outer wall of the second nut 20, so as to restrict the first nut 10 and the second nut 20 from moving in the radial direction with respect to the nut case 30. That is, the nut socket 30 of the present embodiment is engaged with the first nut 10 and the second nut 20 by the abutment between the inner and outer walls, so that the nut socket 30 radially restricts the first nut 10 and the second nut 20.
In the present embodiment, the outer peripheral surface of the first nut 10 and the outer peripheral surface of the second nut 20 are both hexagonal surfaces, and the radial position limitation between the nut holder 30 and the first nut 10 and the second nut 20 is realized by the structural characteristics of the hexagonal surfaces.
It is understood that the inner peripheral surface of the nut case 30 of the present embodiment is also provided with a hexagonal surface that matches the outer peripheral surfaces of the first nut 10 and the second nut 20; the outer peripheral surface of the nut case 30 of the present embodiment is also formed as a hexagonal surface, so that the nut case 30 as a whole can be easily produced. Of course, the outer peripheral surface of the nut sleeve 30 is not limited to that shown in the drawings, and those skilled in the art can make the outer peripheral surface of the nut sleeve 30 a circular surface, which will not be described herein.
As a preferred embodiment of the present invention, the nut sleeve 30 of the present embodiment is provided with a toggle portion 31, and the toggle portion 31 can drive the nut sleeve 30 to move axially relative to the first nut 10 and the second nut 20, so that the nut sleeve 30 is separated from the first nut 10 and the second nut 20, and the nut assembly is easily detached from the screw.
Specifically, the toggle portion 31 of the present embodiment is formed with a slot on one side end of the nut sleeve 30, so that when people detach the nut assembly from the screw, the external toggle lever can be engaged with the slot of the nut sleeve 30, and the nut sleeve 30 can be detached from the first nut 10 and the second nut 20 by moving up the toggle lever. Of course, the toggle portion 31 of the nut sleeve 30 is not limited to the notch shown in the figure, and it is obvious to those skilled in the art that the toggle portion 31 can be fixed on the nut sleeve 30,
hooks, etc., which are not described herein.
In summary, the nut assembly suitable for a narrow space provided by the utility model can be in threaded connection with the screw rod instead of the nut through the reasonable structural arrangement, and when the nut assembly needs to be disassembled from the screw rod, the nut sleeve can be firstly separated from the first nut and the second nut, the first nut and the second nut are driven to move radially relative to the screw rod by utilizing the structural characteristics of the first nut and the second nut, so that the first half thread structure of the first nut and the second half thread structure of the second nut are separated from the outer nut of the screw rod, and then the first nut and the second nut are lifted up to realize the disassembly from the screw rod, so that the nut assembly is convenient to disassemble from the screw rod to adapt to the use in the environment of the narrow space.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A nut component suitable for narrow space is characterized by comprising a first nut, a second nut and a nut sleeve; the inner wall of the first nut is axially provided with a first half thread structure, the inner wall of the second nut is axially provided with a second half thread structure, and the first half thread structure and the second half thread structure are matched to form an internal thread to be matched with an external thread of the screw rod; and the first nut and the second nut are capable of radial movement relative to the screw to disengage the first half-thread formation of the first nut and the second half-thread formation of the second nut from the respective teeth of the external thread on the screw; the nut sleeve can be sleeved on the first nut and the second nut at the same time so as to limit the first nut and the second nut to move in the radial direction relative to the screw rod.
2. The nut assembly suitable for the narrow space of claim 1, wherein the inner wall of the first nut and the inner wall of the second nut are both provided with an arc groove in the axial direction, and the depth of the arc groove is greater than the thickness of the first half thread structure and the second half thread structure.
3. The nut assembly suitable for narrow spaces according to claim 2, characterized in that the arc angle of the arc groove corresponding to the first nut and the second nut is greater than or equal to 180 °.
4. The narrow space nut assembly of claim 3 wherein the arc angle of the arc groove is 180 °.
5. The nut assembly suitable for small spaces according to claim 4, characterized in that said first half-thread structure has a corresponding arc angle on said first nut equal to 180 °; and/or the corresponding arc angle of the second half-thread structure on the second nut is equal to 180 degrees.
6. The confined space nut assembly as claimed in claim 1, wherein said inner wall of said nut sleeve is capable of simultaneously abutting against said outer wall of said first nut and said outer wall of said second nut to limit radial movement of said first nut and said second nut relative to said nut sleeve.
7. The nut assembly according to claim 6, wherein the outer peripheral surface of the first nut and the outer peripheral surface of the second nut are hexagonal surfaces.
8. The nut assembly suitable for narrow space of claim 1, wherein said nut sleeve has a striking portion, said striking portion can drive said nut sleeve to move axially relative to said first nut and said second nut, so as to separate said nut sleeve from said first nut and said second nut.
9. The nut assembly suitable for use in a small space as claimed in claim 8, wherein said striking portion is formed as a notch formed in an end portion of one side of said nut bushing.
10. The nut assembly suitable for use in a narrow space according to claim 1, wherein the outer peripheral surface of the nut bushing is formed as a hexagonal surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121467507.XU CN215521568U (en) | 2021-06-30 | 2021-06-30 | Nut component suitable for narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121467507.XU CN215521568U (en) | 2021-06-30 | 2021-06-30 | Nut component suitable for narrow space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521568U true CN215521568U (en) | 2022-01-14 |
Family
ID=79811286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121467507.XU Active CN215521568U (en) | 2021-06-30 | 2021-06-30 | Nut component suitable for narrow space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521568U (en) |
-
2021
- 2021-06-30 CN CN202121467507.XU patent/CN215521568U/en active Active
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