CN210131300U - Connecting mechanism for upright post and underframe of treadmill - Google Patents
Connecting mechanism for upright post and underframe of treadmill Download PDFInfo
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- CN210131300U CN210131300U CN201920348655.6U CN201920348655U CN210131300U CN 210131300 U CN210131300 U CN 210131300U CN 201920348655 U CN201920348655 U CN 201920348655U CN 210131300 U CN210131300 U CN 210131300U
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- fixing frame
- inner rod
- treadmill
- spring
- movable positioning
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Abstract
The utility model discloses a connecting mechanism of a treadmill stand column and a bottom frame, which comprises an upper fixing frame, a lower fixing frame and a pull pin, wherein the top of the upper fixing frame is connected with the treadmill stand column, and the bottom of the lower fixing frame is connected with the bottom frame; the upper fixing frame is hinged to one end of the lower fixing frame, the pull pin is installed and fixed to the other end of the upper fixing frame, pull pin clamping positions are arranged on two sides of the lower fixing frame, and a movable positioning pin is arranged at the front end of the pull pin and clamped in the pull pin clamping positions. Compared with the prior art, the utility model the advantage be: the utility model facilitates the assembly and folding between the upright post and the underframe of the treadmill, and ensures the safety; and the potential safety hazard caused by mistaken collision can be avoided; the structure design is ingenious, and the cost is lower.
Description
Technical Field
The utility model relates to a body-building apparatus especially relates to a connecting mechanism of treadmill stand and chassis.
Background
At present, the installation mode of unpacking that treadmill on the market adopted all is artifical cooperation instrument and screw package installation, and the dismantlement between stand and the chassis is all inconvenient with the assembly, and has certain danger, consequently, develops a coupling mechanism of treadmill stand and chassis, becomes the problem that technical staff in the field had a urgent need to solve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connecting mechanism of a stand column and a bottom frame of a running machine, aiming to solve the defects.
The above object of the present invention is achieved by the following technical solutions: a connecting mechanism of a treadmill upright post and an underframe comprises an upper fixing frame, a lower fixing frame and a pull pin, wherein the top of the upper fixing frame is connected with the treadmill upright post, and the bottom of the lower fixing frame is connected with the underframe; the upper fixing frame is hinged to one end of the lower fixing frame, the pull pin is installed and fixed to the other end of the upper fixing frame, pull pin clamping positions are arranged on two sides of the lower fixing frame, and a movable positioning pin is arranged at the front end of the pull pin and clamped in the pull pin clamping positions.
Furthermore, the upper side of the pull pin clamping position is provided with an inclined plane part which is convenient for the movable positioning pin to slide in.
Furthermore, the pull pin comprises an outer sleeve, an inner rod, a spring and a knob, the outer sleeve is fixed on the upper fixing frame, a spring limiting necking part is arranged at the upper end of the outer sleeve, a spring clamping part is arranged on the inner rod, the spring is sleeved on the inner rod and is inserted into the outer sleeve together with the inner rod, one end of the spring is abutted against the spring limiting necking part, and the other end of the spring is abutted against the spring clamping part; the outer side end of the inner rod is connected with the knob, the inner side end of the inner rod is provided with a movable positioning pin mounting rod, the movable positioning pin is perpendicular to the inner rod, the middle part of the movable positioning pin is provided with a ferrule part, the two sides of the ferrule part are clamping parts, and the ferrule part of the movable positioning pin is sleeved at the movable positioning pin mounting rod and is fixed through a nut.
Furthermore, the middle part of the inner rod is provided with a middle thread, and the spring limiting necking part is provided with a necking part internal thread matched with the middle part thread of the inner rod, so that the locking device can be fixed in an unlocking state when the pull pin is pulled out.
Furthermore, the root of the inner rod is provided with a root thread which is matched with the internal thread of the necking part and can be fixed in a locked state.
Furthermore, the outer portion of the outer sleeve is provided with a sleeve external thread, and one end of the upper fixing frame is provided with an internal thread cylinder for fixing the pull pin.
The utility model discloses an operation assembly and folding process: during assembly, the upright post of the treadmill is turned up/erected, the movable positioning pin is clamped into the clamping position of the pull pin, and the knob is rotated to lock the root thread on the inner rod in the necking part, so that the inner thread is tightly connected with the outer sleeve, namely the clamping pin is fixed in a locked state, and the assembly is completed. When the folding treadmill is folded, the knob is rotated, the inner rod locked on the outer sleeve is loosened, the inner rod is pulled out, the movable positioning pin is withdrawn from the clamping position of the pull pin, the knob is rotated to enable the middle thread on the inner rod to be locked on the internal thread of the necking part and be tightly connected with the outer sleeve, namely, the bayonet lock is fixed in an unlocking state, the stand column of the treadmill is pressed towards the back side of the treadmill, and the folding is completed.
Compared with the prior art, the utility model the advantage be: the utility model facilitates the assembly and folding between the upright post and the underframe of the treadmill, and ensures the safety; and the potential safety hazard caused by mistaken collision can be avoided; the structure design is ingenious, and the cost is lower.
Drawings
Fig. 1 is a schematic structural diagram of the unlocked state of the present invention.
Fig. 2 is a schematic structural view of the middle pull pin of the present invention.
Fig. 3 is an appearance structure diagram of the middle pull pin of the present invention.
FIG. 4 is a schematic structural view of the treadmill column and undercarriage in an unlocked position.
Fig. 5 is a schematic structural view of the locking state of the treadmill upright and the undercarriage.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a connecting mechanism for a treadmill upright post and an underframe comprises an upper fixing frame 1, a lower fixing frame 2 and a pull pin 3, wherein the top of the upper fixing frame 1 is connected with a treadmill upright post 4, and the bottom of the lower fixing frame 2 is connected with an underframe 5; the upper fixing frame 1 is hinged to one end of the lower fixing frame 2, the pull pin 3 is installed and fixed to the other end of the upper fixing frame 1, pull pin clamping positions 2-1 are arranged on two sides of the lower fixing frame 2, a movable positioning pin 3-8 is arranged at the front end of the pull pin 3, and the movable positioning pin 3-8 is clamped in the pull pin clamping positions 2-1.
Furthermore, the upper side of the pull pin clamping position 2-1 is provided with an inclined plane part 2-2 which is convenient for the movable positioning pin 3-8 to slide in.
Further, the pull pin 3 comprises an outer sleeve 3-1, an inner rod 3-2, a spring 3-3 and a knob 3-4, the outer sleeve 3-1 is fixed on the upper fixing frame 1, a spring limiting necking part 3-5 is arranged at the upper end of the outer sleeve 3-1, a spring clamping part 3-6 is arranged on the inner rod 3-2, the spring 3-3 is sleeved on the inner rod 3-2 and is inserted into the outer sleeve 3-1 together with the inner rod 3-2, so that one end of the spring 3-3 is abutted against the spring limiting necking part 3-5, and the other end of the spring 3-3 is abutted against the spring clamping part 3-6; the outer side end of the inner rod 3-2 is connected with a knob 3-4, the inner side end of the inner rod 3-2 is provided with a movable positioning pin mounting rod 3-7, the movable positioning pin 3-8 is perpendicular to the inner rod 3-2, the middle part of the movable positioning pin is provided with a collar part 3-81, two sides of the collar part 3-81 are provided with clamping parts 3-82, and the collar part 3-81 of the movable positioning pin is sleeved at the position of the movable positioning pin mounting rod 3-7 and is fixed through a nut 3-12.
Furthermore, the middle part of the inner rod 3-2 is provided with a middle thread 3-9, the spring limiting necking part 3-5 is provided with a necking part internal thread 3-10 matched with the middle thread 3-9 of the inner rod, so that the pull pin 3 can be fixed in an unlocking state when being pulled out.
Furthermore, root threads 3-13 are arranged at the root of the inner rod 3-2 and matched with the internal threads 3-10 of the necking part, and the inner rod can be fixed in a locked state.
Furthermore, the outer part of the outer sleeve 3-1 is provided with a sleeve external thread 3-11, and one end of the upper fixing frame 1 is provided with an internal thread cylinder 1-1 for fixing the pull pin 3.
The utility model discloses an operation assembly and folding process: during assembly, the upright post 4 of the treadmill is turned up/erected, the movable positioning pin 3-8 is clamped into the draw pin clamping position 2-1, the knob 3-4 is rotated to lock the root thread 3-13 on the inner rod 3-2 in the necking part internal thread 3-10 to be tightly connected with the outer sleeve 1, namely the clamping pin is fixed in a locking state, and the assembly is completed. When the folding treadmill is folded, the knob 3-4 is rotated, the inner rod 3-2 locked on the outer sleeve 3-1 is loosened, the inner rod 3-2 is pulled out, the movable positioning pin 3-8 is withdrawn from the pull pin clamping position 2-1, the knob 3-4 is rotated to enable the middle thread 3-9 on the inner rod 3-2 to be locked on the internal thread 3-10 at the necking part and tightly connected with the outer sleeve 3-1, namely, the bayonet lock is fixed in an unlocking state, and the treadmill upright post 4 is pressed towards the back side of the treadmill to complete the folding.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a coupling mechanism of treadmill stand and chassis which characterized in that: the top of the upper fixing frame is connected with an upright post of the treadmill, and the bottom of the lower fixing frame is connected with the underframe; the upper fixing frame is hinged to one end of the lower fixing frame, the pull pin is installed and fixed to the other end of the upper fixing frame, pull pin clamping positions are arranged on two sides of the lower fixing frame, and a movable positioning pin is arranged at the front end of the pull pin and clamped in the pull pin clamping positions.
2. A treadmill upright and undercarriage connection mechanism as recited in claim 1, wherein: the upper side of the pull pin clamping position is provided with an inclined plane part which is convenient for the movable positioning pin to slide in.
3. A treadmill upright and undercarriage connection mechanism as recited in claim 1, wherein: the pull pin comprises an outer sleeve, an inner rod, a spring and a knob, the outer sleeve is fixed on the upper fixing frame, a spring limiting necking part is arranged at the upper end of the outer sleeve, a spring clamping part is arranged on the inner rod, the spring is sleeved on the inner rod and is inserted into the outer sleeve together with the inner rod, one end of the spring is abutted against the spring limiting necking part, and the other end of the spring is abutted against the spring clamping part; the outer side end of the inner rod is connected with the knob, the inner side end of the inner rod is provided with a movable positioning pin mounting rod, the movable positioning pin is perpendicular to the inner rod, the middle part of the movable positioning pin is provided with a ferrule part, the two sides of the ferrule part are clamping parts, and the ferrule part of the movable positioning pin is sleeved at the movable positioning pin mounting rod and is fixed through a nut.
4. A treadmill upright and undercarriage connection mechanism as recited in claim 3, wherein: the middle part of the inner rod is provided with middle threads, and the spring limiting necking part is provided with necking part internal threads matched with the middle threads of the inner rod.
5. A treadmill upright and undercarriage connection mechanism as recited in claim 3, wherein: the root of the inner rod is provided with a root thread.
6. A treadmill upright and undercarriage connection mechanism as recited in claim 3, wherein: the outer portion of outer tube is equipped with the sleeve pipe external screw thread, upper mounting bracket one end is equipped with the internal thread section of thick bamboo of fixed blind pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348655.6U CN210131300U (en) | 2019-03-19 | 2019-03-19 | Connecting mechanism for upright post and underframe of treadmill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348655.6U CN210131300U (en) | 2019-03-19 | 2019-03-19 | Connecting mechanism for upright post and underframe of treadmill |
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| Publication Number | Publication Date |
|---|---|
| CN210131300U true CN210131300U (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920348655.6U Active CN210131300U (en) | 2019-03-19 | 2019-03-19 | Connecting mechanism for upright post and underframe of treadmill |
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| CN (1) | CN210131300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714827A (en) * | 2019-03-19 | 2020-09-29 | 浙江领跑健康科技有限公司 | Connecting mechanism for upright post and underframe of treadmill |
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2019
- 2019-03-19 CN CN201920348655.6U patent/CN210131300U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714827A (en) * | 2019-03-19 | 2020-09-29 | 浙江领跑健康科技有限公司 | Connecting mechanism for upright post and underframe of treadmill |
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