CN218129731U - Rope skipping rope end fixing device - Google Patents
Rope skipping rope end fixing device Download PDFInfo
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- CN218129731U CN218129731U CN202221902470.3U CN202221902470U CN218129731U CN 218129731 U CN218129731 U CN 218129731U CN 202221902470 U CN202221902470 U CN 202221902470U CN 218129731 U CN218129731 U CN 218129731U
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- thread
- adjusting nut
- rope
- clamping piece
- fixing device
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Abstract
The utility model discloses a rope skipping rope head fixing device, one end of which is arranged on a rope skipping handle and comprises an adjusting nut and a thread fixing rod; the thread fixing rod is of a tubular structure and comprises a clamping part, a thread part and a limiting part; the surface of the threaded part is provided with external threads, and two ends of the threaded part are respectively connected with the clamping part and the limiting part; the surface of the clamping part is provided with a movable groove and communicated with the cavity, an elastic clamping piece is arranged in the movable groove, one end of the elastic clamping piece is fixedly connected with the movable groove, and the other end of the elastic clamping piece is suspended in the air; one side of the inner wall of the adjusting nut is provided with an internal thread matched with the external thread; the outer diameter of the limiting part is larger than the inner diameter of the adjusting nut; when fixing the rope skipping fag end, the thread tightening lever passes adjusting nut, external screw thread and internal thread intermeshing, and the rope skipping fag end is then passed the inside cavity that gets into the thread tightening lever by spacing portion one end, and adjusting nut precession afterwards, inner wall extrusion elasticity clamping piece make it crooked to the inboard and fixed with the rope skipping fag end interference fit who is in the cavity.
Description
Technical Field
The utility model relates to a sport equipment field especially relates to a rope skipping fag end fixing device.
Background
The conventional skipping rope is usually provided with an adjustable effective skipping rope length (namely the skipping rope length between two handle ends of the skipping rope) in order to adapt to various heights from children to adults, and the common effective skipping rope length adjusting mode comprises a screw fixing mode, a spring locking mode and a buckle fixing mode; the screw fixation is through screwing up the screw promptly for the fag end is fixed in the handle, and the screw of unscrewing adjusts the rope length, and fixed effectual but need extra instrument to participate in, unable bare-handed regulation.
The spring locking mode is that the rope end is fixed in the handle by utilizing the stress generated by the elastic deformation of the spring, the adjusting button is pressed, the spring is further compressed, the rope end can move freely, and the length of the rope is adjusted, the fixing effect of the mode is related to the strength of the spring, and when the spring is soft and the rope skipping is quickly swung, the rope end is easy to slip; when the spring is hard, although the fixing effect is improved, the rope skipping rope needs larger strength when being adjusted, and is not friendly to children or people with smaller strength; according to the detachable buckle type fixing method, when the rope length is adjusted, the fixed buckle on the handle needs to be detached, the position of the fixed end of the skipping rope is moved, the effective rope length is adjusted to a proper degree, and then the buckle is closed.
SUMMERY OF THE UTILITY MODEL
In view of the regulation that rope skipping fag end fixed mode exists at present is hard with the structure, and the part is many easily lost, the utility model provides a rope skipping fag end fixing device can reach and realize that fixed effect is better, and the accommodation process is more laborsaving, need not to dismantle the part, the better effect of security and stability.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
a rope skipping rope head fixing device is characterized in that one end of the rope skipping rope head fixing device is installed on a rope skipping handle and comprises an adjusting nut and a threaded fixing rod; the thread fixing rod is a tubular structure, forms a cavity inside for a rope skipping rope head to pass through, and comprises a clamping part, a thread part and a limiting part; the surface of the thread part is provided with external threads, and two ends of the thread part are respectively connected with the clamping part and the limiting part; the surface of the clamping part is provided with a plurality of movable grooves and communicated with the cavity, each movable groove is internally provided with an elastic clamping piece, one end of each elastic clamping piece is fixedly connected with the corresponding movable groove, and the other end of each elastic clamping piece is suspended in the air; the adjusting nut is cylindrical, and an internal thread matched with the external thread is arranged on one side of the inner wall; the outer diameter of the limiting part is larger than the inner diameter of the adjusting nut; when the rope skipping rope head needs to be fixed, the thread fixing rod penetrates through the adjusting nut to be meshed with the external thread and the internal thread, the rope skipping rope head penetrates through one end of the limiting part to enter the inner cavity of the thread fixing rod, then the adjusting nut is screwed in, and the inner wall extrudes the elastic clamping piece to enable the elastic clamping piece to be bent inwards and fixed in interference fit with the rope skipping rope head in the cavity.
The adjusting nut comprises a first opening and a second opening; the internal thread extends towards the inside from the first opening, and the direction of the inner radial second opening at the boundary of the internal thread is gradually narrowed.
The movable groove is long-strip-shaped, and the long edge of the movable groove is axially arranged along the clamping part.
The outer surface of the suspended end of the elastic clamping piece is provided with a spherical groove, and a ball is rotatably arranged in the spherical groove; the material of the ball is metal or hard plastic; the existence of ball has increased the height of elasticity clamping piece, has one section internal diameter in the adjusting nut and constantly narrows down, and the adjusting nut precession in-process extrudes the ball gradually and makes the elasticity clamping piece to the inboard deformation, and the existence of ball not only can reduce frictional force also can increase the deformation volume scope of elasticity clamping piece, makes the interference fit of elasticity clamping piece and rope skipping fag end more firm.
The T-shaped seat comprises a mounting disc and a mounting seat, and the outer diameter of the mounting disc is larger than that of the mounting seat; the end part of the clamping part is connected with an installation column which is also of a tubular structure, and an internal through hole is communicated with an internal cavity of the threaded fixing rod so that the rope skipping rope head can pass through the internal through hole; the middle part of the mounting seat is provided with a through hole and is matched and fixedly connected with a mounting seat hole shaft; the whole body formed by the mounting column and the T-shaped seat is used for being connected with a skipping rope handle.
The edge part of the mounting disc is provided with a positioning groove.
The outer surface of the limiting part is provided with raised grains; the outer surface of the adjusting nut is provided with raised grains; the existence of protruding texture can increase the hand and adjust the nut, the frictional force of spacing portion when adjusting rotatory screw thread, and it is more laborsaving to adjust.
The thread fixing rod is designed to be integrally formed, so that the integral structural strength is ensured; the material is metal or plastic; the metal material intensity is higher, is convenient for do for whole volume for a short time, and the plastics material is then more light.
The utility model discloses the advantage of implementing:
the inner thread and the outer thread are meshed with each other, so that the elastic clamping piece is bent and the skipping rope is clamped and fixed, the length of the skipping rope can be adjusted only by rotating the adjusting nut, and the ball is arranged between the elastic clamping piece and the adjusting nut, so that the friction force in the adjusting process can be reduced, and the adjusting process is more labor-saving and easier; the limiting part and the handle ensure that the adjusting nut cannot be separated, so that the problem of part loss is avoided; the whole structure is compact, and the design of integrated forming is adopted.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a rope end fixing device of a skipping rope according to the present invention;
fig. 2 is a perspective view of a rope end fixing device of the skipping rope of the present invention;
fig. 3 is a front view and a side view of a rope skipping rope end fixing device according to the present invention;
FIG. 4 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 3;
fig. 6 is a schematic cross-sectional view taken along line C-C of fig. 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, 2, 3, 4, 5 and 6, one end of the skipping rope head fixing device is arranged on a skipping rope handle and comprises an adjusting nut 1 and a threaded fixing rod; the thread fixing rod is a tubular structure, a cavity is formed in the interior of the tubular structure for the rope skipping rope head to pass through, and the thread fixing rod comprises a clamping part 21, a thread part 22 and a limiting part 23; the surface of the thread part 22 is provided with an external thread 221, and two ends of the external thread are respectively connected with the clamping part 21 and the limiting part 23; the surface of the clamping part 21 is provided with a plurality of movable grooves 211 and communicated with the cavity, each movable groove 211 is internally provided with an elastic clamping piece 212, one end of each elastic clamping piece 212 is fixedly connected with the corresponding movable groove 211, and the other end of each elastic clamping piece 212 is suspended; the adjusting nut 1 is cylindrical, and an internal thread 11 matched with the external thread 221 is arranged on one side of the inner wall; the outer diameter of the limiting part 23 is larger than the inner diameter of the adjusting nut 1; when the rope skipping rope head needs to be fixed, the threaded fixing rod penetrates through the adjusting nut 1 to the external thread 221 to be meshed with the internal thread 11, the rope skipping rope head penetrates through the inner cavity of the threaded fixing rod from one end of the limiting portion 23, then in the screwing-in process of the adjusting nut 1, the inner wall extrudes the elastic clamping piece 212 to enable the elastic clamping piece to be bent inwards and fixed in interference fit with the rope skipping rope head in the cavity.
The adjusting nut 1 comprises a first opening 12 and a second opening 13; the internal thread 11 extends from the first opening 12 to the inside, and the inner diameter of the internal thread boundary is gradually narrowed toward the second opening 13.
The movable groove 211 is long, the long side of the movable groove is axially arranged along the clamping part 21, and the elastic clamping piece 212 is also axially arranged; the arrangement mode has small processing difficulty and relatively high mechanical strength compared with the arrangement mode of oblique arrangement or arrangement along the circumferential direction.
In practical application, the number of the movable slots 211 is two, the movable slots are oppositely arranged, the long sides of the movable slots can extend towards the thread part 22 until the movable slots penetrate through the thread part 22 and are connected with the limiting part 23, and one end of the elastic clamping piece 212 can also be directly fixedly connected with the limiting part 23; when one movable groove 211 is formed, the elastic clamping piece 212 can obtain a good fixing effect only by a large deformation amount, when the number of the movable grooves 211 exceeds two, the processing and manufacturing difficulty is increased, the overall structural strength of the threaded fixing rod can be greatly reduced, and the non-plastic deformation is easy to occur in the twisting adjustment process; therefore, two movable grooves 211 are formed and the external thread 221 is divided into two parts, so that the length of the threaded fixing rod and the length of the adjusting nut 1 can be shortened, the whole structure is more compact, the size is smaller, and materials are saved.
The outer surface of the suspended end of the elastic clamping piece 212 is provided with a spherical groove 213, and a ball is rotatably arranged in the spherical groove 213; the material of the ball is metal or hard plastic; the height of the elastic clamping piece 212 is increased due to the existence of the balls, the inner diameter of one section of the adjusting nut 1 is continuously narrowed, the balls are gradually extruded to enable the elastic clamping piece 212 to deform towards the inner side in the screwing process of the adjusting nut 1, the existence of the balls can reduce friction force and increase the deformation range of the elastic clamping piece 212, and the interference fit between the elastic clamping piece 212 and a rope skipping rope head is more stable;
alternatively, the balls may be replaced with spherical protrusions integral with spring clip 212 to reduce cost.
The T-shaped seat 3 comprises a mounting disc 31 and a mounting seat 32, and the outer diameter of the mounting disc 31 is larger than that of the mounting seat 32; the end part of the clamping part 21 is connected with an installation column 24, the installation column 24 is also of a tubular structure, and an internal through hole is communicated with an internal cavity of the threaded fixing rod so that the rope skipping rope head can pass through; through holes are formed in the middle of the mounting disc 31 and the mounting seat 32 (the T-shaped seat 3 is small in size, and the whole mounting seat can be integrally formed), wherein the aperture of the through hole in the mounting seat 32 is slightly larger than the outer diameter of the mounting column 24, and the outer diameter of the mounting disc 31 is slightly larger than the inner diameter of the second opening 13 of the adjusting screw cap 1;
during assembly, the threaded fixing rod firstly penetrates through the adjusting nut 1 from one side of the internal thread 11, then the mounting part is arranged in the through hole of the mounting seat 32, the threaded fixing rod and the mounting seat are matched and fixedly connected through a hole shaft, at the moment, the adjusting nut 1 cannot be separated from the whole formed by the threaded fixing rod and the T-shaped seat 3, and partial part loss of the assembled part in the next process of transportation or storage can be avoided; the integral part formed by the mounting column 24 and the T-shaped seat 3 is used for connecting with a skipping rope handle (namely, the hand end part is provided with a recess matched with the integral part, the handle is manufactured by dividing the handle into two parts along the axial direction, and the integral part is fixed with the handle at the half part and then combines the two parts of the handle into one, theoretically, the fixing device can be suitable for handles of various materials and specifications and can be used as a universal part for mass production); the skipping rope can penetrate through the limiting part 23, penetrate out of the hole of the mounting disc 31 and enter the skipping rope handle, after the effective length of the skipping rope is adjusted, the adjusting nut 1 is screwed in (due to the existence of the limiting part 23, the adjusting nut 1 cannot be screwed out), so that the elastic clamping pieces 212 are deformed and clamp the skipping rope, and the two elastic clamping pieces 212 are fixed with the skipping rope in an interference fit manner; when the effective rope length of the skipping rope needs to be adjusted again, the adjusting nut 1 is reversely screwed out, the elastic clamping piece 212 is released, and the skipping rope head is loosened, because the adjusting nut 1 is located between the limiting part 23 and the handle, even if the internal thread 11 is completely separated from the external thread 221, the adjusting nut 1 cannot be separated, and the problem that the adjusting nut 1 is easy to lose as a movable part in the adjusting process is solved; the rope end of the skipping rope can be fastened or loosened by rotating the adjusting nut 1, and then the length of the rope can be manually adjusted.
The edge part of the mounting disc 31 is provided with a positioning groove 311; the positioning groove 311 can be engaged with a protrusion in the handle, which is matched with the shape of the handle, when the assembled rope end fixing device is installed on the handle, so that the fixing device can be prevented from rotating integrally.
The outer surface of the limiting part 23 is provided with raised grains; the outer surface of the adjusting nut 1 is provided with raised grains; the existence of the raised texture can increase the friction force between the hand and the adjusting nut 1 and the limiting part 23 when the rotating thread is adjusted, and the adjustment is more labor-saving.
The threaded fixing rod is designed to be integrally formed, so that the integral structural strength is ensured; the material is metal or plastic; the metal material intensity is higher, is convenient for do for whole volume for a short time, and the plastics material is then more light.
Optionally, in practical applications, the limiting part 23 can be removed without changing other structures, so that the adjusting nut can be screwed out from the skipping rope handle;
or, optionally, the limiting part 23 is removed, and the mounting post 24 is moved to the place where the limiting part 23 originally exists and is directly connected with the threaded part 22; thus, after the whole body is connected with the skipping rope handle in the manner described above, the original clamping part 21 is located at the end part of the handle, the skipping rope penetrates through the clamping part 21, passes through the external thread 221, the mounting column 24 and the mounting seat 32, and then penetrates out of the mounting disc 31 to enter the handle;
above two kinds of optional mode, adjusting nut 1 all is located the handle tip, and overall structure has obtained the simplification, and length is shorter, and weight is lighter.
The utility model discloses the advantage of implementing:
the inner thread and the outer thread are meshed with each other, so that the elastic clamping piece is bent and the skipping rope is clamped and fixed, the length of the skipping rope can be adjusted only by rotating the adjusting nut, and the ball is arranged between the elastic clamping piece and the adjusting nut, so that the friction force in the adjusting process can be reduced, and the adjusting process is more labor-saving and easier; the limiting part and the handle ensure that the adjusting nut cannot be separated, so that the problem of part loss is avoided; the rope skipping handle is compact in overall structure, is designed in an integrated mode, and can be used as a universal component and suitable for rope skipping handles of various materials and specifications.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A rope skipping end fixing device is characterized by comprising an adjusting nut and a threaded fixing rod; the thread fixing rod is a cavity formed in the tubular structure and comprises a clamping part, a thread part and a limiting part; the surface of the thread part is provided with external threads, and two ends of the thread part are respectively connected with the clamping part and the limiting part; the surface of the clamping part is provided with a plurality of movable grooves and communicated with the cavity, each movable groove is internally provided with an elastic clamping piece, one end of each elastic clamping piece is fixedly connected with the corresponding movable groove, and the other end of each elastic clamping piece is suspended in the air; the adjusting nut is cylindrical, and an internal thread matched with the external thread is arranged on one side of the inner wall; the outer diameter of the limiting part is larger than the inner diameter of the adjusting nut; the thread fixing rod penetrates through the adjusting nut until the external thread and the internal thread are meshed with each other, and in the screwing-in process of the adjusting nut, the inner wall extrudes the elastic clamping piece to enable the elastic clamping piece to bend inwards.
2. The jump rope head fixture of claim 1 wherein the adjustment nut comprises a first opening and a second opening; the internal thread extends towards the inside from the first opening, and the direction of the inner radial second opening at the boundary of the internal thread is gradually narrowed.
3. The skipping rope end fixing device according to claim 1, wherein the movable groove is an elongated groove, and the long side of the movable groove is arranged along the axial direction of the clamping portion.
4. The skipping rope head fixing device according to claim 1, wherein the outer surface of the suspended end of the elastic clamping piece is provided with a spherical groove, and a ball is rotatably arranged in the spherical groove; the material of the ball is metal or hard plastic.
5. The skipping rope head fixing device of claim 1, further comprising a T-shaped seat, wherein the T-shaped seat comprises a mounting disc and a mounting seat, and the outer diameter of the mounting disc is larger than that of the mounting seat; the end part of the clamping part is connected with a mounting column; and a through hole is formed in the middle of the mounting seat and is matched and fixedly connected with the mounting column hole shaft.
6. The skipping rope end fixing device of claim 5, wherein the edge portion of the mounting disc is provided with a positioning groove.
7. The rope skipping rope head fixing device according to claim 1, wherein the outer surface of the limiting part is provided with raised textures; the outer surface of the adjusting nut is provided with raised grains.
8. The rope skipping rope end fixing device of claim 1, wherein the threaded fixing rod is of an integrally formed design and is made of metal or plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221902470.3U CN218129731U (en) | 2022-07-22 | 2022-07-22 | Rope skipping rope end fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221902470.3U CN218129731U (en) | 2022-07-22 | 2022-07-22 | Rope skipping rope end fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218129731U true CN218129731U (en) | 2022-12-27 |
Family
ID=84594409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221902470.3U Active CN218129731U (en) | 2022-07-22 | 2022-07-22 | Rope skipping rope end fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218129731U (en) |
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2022
- 2022-07-22 CN CN202221902470.3U patent/CN218129731U/en active Active
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