CN215427146U - Knob type folding structure for treadmill - Google Patents
Knob type folding structure for treadmill Download PDFInfo
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- CN215427146U CN215427146U CN202023156970.0U CN202023156970U CN215427146U CN 215427146 U CN215427146 U CN 215427146U CN 202023156970 U CN202023156970 U CN 202023156970U CN 215427146 U CN215427146 U CN 215427146U
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- clamping part
- connecting seat
- knob
- rotating shaft
- mounting block
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Abstract
The utility model discloses a knob type folding structure for a running machine, which enables a column to be folded backwards on a running board to be stored by unscrewing the folding structure; the folding structure comprises a mounting block, a connecting seat, a shaft sleeve, a knob shaft and a knob, wherein a first clamping part is arranged on one side of the mounting block; the mounting block is internally provided with a threaded hole, the connecting seat is provided with a mounting through hole, the rotating shaft comprises a threaded section and a fixed section, the threaded section of the rotating shaft can be in threaded connection with the mounting block, and the fixed section of the rotating shaft can be fixedly connected with the shaft sleeve; a second clamping part matched with the first clamping part is arranged on one side of the connecting seat close to the mounting block; whether the thread section of the rotating shaft is separated from the thread hole of the mounting block or not is driven by rotating the knob, so that whether the second clamping part of the connecting seat is separated from the first clamping part of the mounting block or not is realized, and whether the upright post rotates or not is further realized. The folding and accommodating device can fold and accommodate the treadmill without tools, reduces the occupied space, and is convenient and quick in dismounting and mounting process and easy to realize.
Description
Technical Field
The utility model belongs to the technical field of treadmill production, and particularly relates to a knob type folding structure for a treadmill.
Background
Along with the continuous improvement of living standard of people, the rhythm of life is also faster and faster, and people have less time to take part in outdoor exercise, so more and more people have selected indoor motion body-building, and the treadmill is used as the main equipment of indoor motion body-building, and is widely popular in families and gymnasiums.
Particularly, for the household treadmill, a user wants to fold and store the treadmill after the treadmill is used up, so as to reduce the space, while the existing folding treadmill needs to use a tool such as a wrench to disassemble the connecting part at the connecting part of the upright post and the frame when being folded, firstly, the user needs to use the tool, which is troublesome; secondly, the disassembled connecting parts need to be kept separately and are easy to lose; thirdly, the disassembly and assembly process is laborious due to the requirement of large strength.
There is therefore a need to develop a folding structure that overcomes the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a knob type folding structure for a running machine, through the design of the knob type folding structure, the folding and the storage of the running machine can be realized without tools, the occupied space is reduced, and the dismounting and mounting process is convenient and fast and is easy to realize.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a knob formula beta structure for treadmill, treadmill includes stand, frame and race board, the race board is installed in the frame, through the beta structure connection between the stand and the race board, through unscrew the beta structure make the stand can fold in the race board backward and realize accomodating;
the folding structure comprises an installation block, a connecting seat, a shaft sleeve, a rotating shaft and a knob, wherein one side of the installation block is installed on the edge of the running plate, and the other side of the installation block is provided with a first clamping part;
the inner sleeve is sleeved with the rotating shaft, the shaft sleeve and the connecting seat in sequence from the inner sleeve, the rotating shaft comprises a threaded section and a fixed section, the threaded section of the rotating shaft can be in threaded connection with the mounting block, and the fixed section of the rotating shaft can be fixedly connected with the shaft sleeve;
a second clamping part matched with the first clamping part is arranged on one side, close to the mounting block, of the connecting seat;
the upper part of the connecting seat is connected with the upright post;
whether the thread section of the rotating shaft is separated from the threaded hole of the mounting block or not is driven by rotating the knob, so that whether the second clamping part of the connecting seat is separated from the first clamping part of the mounting block or not is realized, and whether the upright post rotates or not is further realized.
The first engaging portion is a circle of concave portions and convex portions arranged at intervals, the second engaging portion is a circle of concave portions and convex portions arranged at intervals, the concave portions of the first engaging portion can be engaged with the convex portions of the second engaging portion, and the convex portions of the first engaging portion can be engaged with the concave portions of the second engaging portion.
Further, one side of rotation axis is equipped with the round boss, the installation of one side of boss the knob, just the opposite side of boss with form the round recess between the axle sleeve, the round arch of the internal face of the mounting hole of connecting seat can be blocked in the recess carries on spacingly.
Furthermore, the rotating shaft and the shaft sleeve are provided with mounting holes extending in the radial direction, and the fixed section of the rotating shaft is fixedly connected with the shaft sleeve by screwing bolts or screws into the mounting holes.
Furthermore, the mounting block is provided with two first limiting strips used for limiting the rotation angle of the connecting seat along the axial direction of the threaded hole of the mounting block, the two first limiting strips are parallel to each other, the connecting seat is provided with a second limiting strip matched with the first limiting strips in the direction of the first limiting strips, and the rotation of the connecting seat in the range between the two first limiting strips is limited through the matching of the first limiting strips and the second limiting strips.
Furthermore, the included angle between the two first limiting strips is 145-155 degrees.
Further, the thread of the threaded section of the rotating shaft is a three-thread.
The utility model has the beneficial effects that:
the utility model comprises an installation block, a connecting seat, a shaft sleeve, a rotating shaft and a knob, wherein one side of the installation block is installed on the edge of a running plate, and the other side of the installation block is provided with a first clamping part; the mounting block is internally provided with a threaded hole, the connecting seat is provided with a mounting through hole, the rotating shaft, the shaft sleeve and the connecting seat are sequentially sleeved outside the inner sleeve, the rotating shaft comprises a threaded section and a fixed section, the threaded section of the rotating shaft can be in threaded connection with the mounting block, and the fixed section of the rotating shaft can be fixedly connected with the shaft sleeve; a second clamping part matched with the first clamping part is arranged on one side of the connecting seat close to the mounting block; whether the thread section of the rotating shaft is separated from the threaded hole of the mounting block or not is driven by rotating the knob, so that whether the second clamping part of the connecting seat is separated from the first clamping part of the mounting block or not is realized, and whether the upright post rotates or not is further realized; therefore, the folding and accommodating of the treadmill can be realized without tools through the design of the knob type folding structure, the occupied space is reduced, and the dismounting and mounting process is convenient and quick and is easy to realize;
moreover, the thread of the thread section of the rotating shaft can be a three-thread, so that the time for locking or loosening the knob is shortened, and convenience is brought.
Drawings
FIG. 1 is an external view of the treadmill of the present invention mounted thereto;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is one of the schematic exploded structural views of the present invention;
FIG. 4 is a second schematic exploded view of the present invention;
fig. 5 is a sectional view of the present invention in the axial direction of a rotating shaft;
FIG. 6 is a front view of the connector block of the present invention;
the parts in the drawings are numbered as follows:
the vertical column 1, the frame 2, the running plate 3, the folding structure 4, the mounting block 41, the first clamping portion 411, the threaded hole 412, the first limit strip 413, the connecting seat 42, the mounting through hole 421, the second clamping portion 422, the protrusion 423, the second limit strip 424, the shaft sleeve 43, the rotating shaft 44, the threaded section 441, the fixing section 442, the boss 443, the groove 444, the mounting hole 445, the knob 45, and an included angle α between the two first limit strips.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
Example (b): a knob type folding structure for a treadmill, as shown in fig. 1 to 6, the treadmill comprises a stand column 1, a frame 2 and a running board 3, the running board is mounted on the frame, the stand column and the running board are connected through the folding structure 4, and the stand column can be folded backwards on the running board to achieve storage by unscrewing the folding structure;
the folding structure comprises an installation block 41, a connecting seat 42, a shaft sleeve 43, a rotating shaft 44 and a knob 45, wherein one side of the installation block is installed on the edge of the running board, and the other side of the installation block is provided with a first clamping part 411;
a threaded hole 412 is formed in the mounting block, a mounting through hole 421 is formed in the connecting seat, the rotating shaft, the shaft sleeve and the connecting seat are sequentially sleeved outside the inner sleeve, the rotating shaft comprises a threaded section 441 and a fixed section 442, the threaded section of the rotating shaft can be in threaded connection with the mounting block, and the fixed section of the rotating shaft can be fixedly connected with the shaft sleeve;
a second clamping part 422 matched with the first clamping part is arranged on one side of the connecting seat close to the mounting block;
the upper part of the connecting seat is connected with the upright post;
whether the thread section of the rotating shaft is separated from the threaded hole of the mounting block or not is driven by rotating the knob, so that whether the second clamping part of the connecting seat is separated from the first clamping part of the mounting block or not is realized, and whether the upright post rotates or not is further realized.
In this embodiment, the first engaging portion is a circle of recesses and protrusions provided at intervals, the second engaging portion is also a circle of recesses and protrusions provided at intervals, the recesses of the first engaging portion can be engaged with the protrusions of the second engaging portion, and the protrusions of the first engaging portion can be engaged with the recesses of the second engaging portion. Namely, a structure similar to the meshing of gears is adopted, so that the device is convenient and stable in structure.
One side of rotation axis is equipped with round boss 443, the installation of one side of boss the knob, just the opposite side of boss with form round recess 444 between the axle sleeve, the round of arch 423 of the internal face of the mounting hole of connecting seat can block in the recess carries out spacingly.
The rotating shaft and the shaft sleeve are provided with mounting holes 445 extending in the radial direction, and the fixing section of the rotating shaft and the shaft sleeve are fixedly connected by screwing bolts or screws into the mounting holes.
The mounting block is provided with two first limiting strips 413 used for limiting the rotation angle of the connecting seat along the axial direction of the threaded hole of the mounting block, the two first limiting strips are parallel to each other, the connecting seat is provided with second limiting strips 424 matched with the first limiting strips, and the connecting seat is limited to rotate in the range between the two first limiting strips through the matching of the first limiting strips and the second limiting strips.
As shown in fig. 6, the included angle α between the two first position-limiting bars is 145-155 °. In this example 150.
In this embodiment, the thread of the thread section of the rotating shaft is a three-thread.
The working process and working principle of the utility model are as follows:
rotating the knob (for example, counterclockwise rotation in this embodiment) will drive the rotating shaft to withdraw from the threaded hole of the mounting block until the second engaging portion of the connecting seat disengages from the first engaging portion of the mounting block, and then pulling the upright post with a hand to rotate counterclockwise successively until the second limiting strip of the connecting seat abuts against the first limiting strip on the right side of the mounting block (where the right side is shown in the position in fig. 6), so as to fold and store the treadmill; and all parts of the folding structure are still arranged on the running machine and cannot be lost;
when the treadmill is used, the upright post is pulled up until the second connecting strip of the connecting seat at the lower end of the upright post is tightly abutted against the first limiting strip at the left side of the mounting block (the left side of the position is shown as the position in figure 6), the knob is rotated in the opposite direction, the threaded section of the rotating shaft is screwed into the threaded hole of the mounting block until the second clamping part of the connecting seat is clamped and limited with the first clamping part of the mounting block, and the treadmill is mounted and used.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A knob formula beta structure for treadmill, treadmill includes stand (1), frame (2) and race board (3), the race board install in the frame, its characterized in that: the upright post and the running board are connected through the folding structure (4), and the upright post can be folded backwards on the running board to achieve storage by unscrewing the folding structure;
the folding structure comprises an installation block (41), a connecting seat (42), a shaft sleeve (43), a rotating shaft (44) and a knob (45), wherein one side of the installation block is installed on the edge of the running board, and the other side of the installation block is provided with a first clamping part (411);
a threaded hole (412) is formed in the mounting block, a mounting through hole (421) is formed in the connecting seat, the rotating shaft, the shaft sleeve and the connecting seat are sequentially sleeved outside the inner sleeve, the rotating shaft comprises a threaded section (441) and a fixed section (442), the threaded section of the rotating shaft can be in threaded connection with the mounting block, and the fixed section of the rotating shaft can be fixedly connected with the shaft sleeve;
a second clamping part (422) matched with the first clamping part is arranged on one side of the connecting seat, which is close to the mounting block;
the upper part of the connecting seat is connected with the upright post;
whether the thread section of the rotating shaft is separated from the threaded hole of the mounting block or not is driven by rotating the knob, so that whether the second clamping part of the connecting seat is separated from the first clamping part of the mounting block or not is realized, and whether the upright post rotates or not is further realized.
2. The knob-type folding structure for treadmills of claim 1, wherein: the first clamping part is a circle of concave parts and convex parts which are arranged at intervals, the second clamping part is also a circle of concave parts and convex parts which are arranged at intervals, the concave parts of the first clamping part can be clamped into the convex parts of the second clamping part, and the convex parts of the first clamping part can be clamped into the concave parts of the second clamping part.
3. The knob-type folding structure for treadmills of claim 1, wherein: one side of rotation axis is equipped with round boss (443), the installation of one side of boss the knob, just the opposite side of boss with form round recess (444) between the axle sleeve, the protruding (423) of round of the internal face of the mounting hole of connecting seat can block in the recess carries out spacingly.
4. The knob-type folding structure for treadmills of claim 1, wherein: the rotating shaft and the shaft sleeve are provided with radially extending mounting holes (445), and the fixed section of the rotating shaft and the shaft sleeve are fixedly connected by screwing bolts or screws into the mounting holes.
5. The knob-type folding structure for treadmills of claim 1, wherein: the mounting block is provided with two first limiting strips (413) used for limiting the rotation angle of the connecting seat along the axial direction of the threaded hole of the mounting block, the two first limiting strips are parallel to each other, the connecting seat is provided with second limiting strips (424) matched with the first limiting strips, and the connecting seat is limited to rotate within the range between the two first limiting strips through the matching of the first limiting strips and the second limiting strips.
6. The knob-type folding structure for treadmill according to claim 5, wherein: the included angle (alpha) between the two first limiting strips is 145-155 degrees.
7. The knob-type folding structure for treadmills of claim 1, wherein: the thread teeth of the thread section of the rotating shaft are three-line thread teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023156970.0U CN215427146U (en) | 2020-12-24 | 2020-12-24 | Knob type folding structure for treadmill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023156970.0U CN215427146U (en) | 2020-12-24 | 2020-12-24 | Knob type folding structure for treadmill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215427146U true CN215427146U (en) | 2022-01-07 |
Family
ID=79681156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023156970.0U Active CN215427146U (en) | 2020-12-24 | 2020-12-24 | Knob type folding structure for treadmill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215427146U (en) |
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2020
- 2020-12-24 CN CN202023156970.0U patent/CN215427146U/en active Active
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