CN204352482U - Manual upside down machine - Google Patents
Manual upside down machine Download PDFInfo
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- CN204352482U CN204352482U CN201520037939.5U CN201520037939U CN204352482U CN 204352482 U CN204352482 U CN 204352482U CN 201520037939 U CN201520037939 U CN 201520037939U CN 204352482 U CN204352482 U CN 204352482U
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Abstract
The utility model discloses a kind of manual upside down machine, comprise bracing frame and backrest, backrest is rotating to be connected on bracing frame, also comprise the Manual drive mechanism with auto-lock function, Manual drive mechanism has power input shaft, power output shaft and buffer shaft, be in transmission connection between power input shaft and power output shaft, buffer shaft is provided with the first buffer gear cold group, power output shaft is provided with the second buffer gear cold group, first buffer gear cold group engages with the second buffer gear cold group, and Manual drive mechanism is connected between bracing frame and backrest.By adopting the Manual drive mechanism with auto-lock function to drive backrest to rotate, when the unpowered input of power input shaft, Manual drive mechanism can realize automatic self-locking, thus guarantees that the attitude that backrest keeps adjusting is constant; By arranging buffer gear cold, backrest can be rotated more stably.
Description
Technical field
The utility model relates to body-building equipment, particularly relates to a kind of manual upside down machine.
Background technology
Upside down machine is a kind of popular body-building apparatus, is a kind of body-building apparatus by using machinery to carry out auxiliary making human body stand on head.Upside down machine generally includes bracing frame and backrest, and backrest is integrated with the fixed part for fixed foot portion or leg usually, and backrest can rotate on bracing frame.The power resources difference that upside down machine of the prior art drives backrest to rotate according to it is divided into electrodynamic type and hand.Motor in electric handstand machine, circuit board or control device are easily gone on a journey fault or affect by power failure, with motor combine urgent hand rotating, but above-mentioned urgent hand is not easy insertion, hold handle to be also not easy, and number of revolutions is also a lot, therefore user is very inconvenient in use simultaneously, and, the price of electric handstand machine, its maintenance cost is also very expensive, and the burden of such consumer will be very large.Manual upside down machine is because its structure is simple and price is lower is widely used.China Patent No. 201220103530.5 discloses a kind of upside down machine, and in use, user rotates to drive backrest by applying power to handrail.But and after handstand, user needs hand steered handrail hold mode always, the both hands of user can not be separated from handrail, just in case user's both hands are separated from handrail, backrest will rotate voluntarily and meet accident, and cause manual upside down machine of the prior art to be inconvenient to use and security is lower.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of manual upside down machine, solves manual upside down machine of the prior art and is inconvenient to use and the lower defect of security, realizes improving the security of manual upside down machine and is user-friendly to.
The technical scheme that the utility model provides is, a kind of manual upside down machine, comprise bracing frame and backrest, described backrest is rotating to be connected on support frame as described above, also comprise the Manual drive mechanism with auto-lock function, described Manual drive mechanism has power input shaft, power output shaft and buffer shaft, be in transmission connection between described power input shaft and described power output shaft, described buffer shaft is provided with the first buffer gear cold group, described power output shaft is provided with the second buffer gear cold group, described first buffer gear cold group engages with described second buffer gear cold group, described Manual drive mechanism is connected between support frame as described above and described backrest.
Further, described first buffer gear cold group comprises the first duplicate gear and the first gear, and described second buffer gear cold group comprises the second duplicate gear and the second gear; Described first duplicate gear respectively with described second duplicate gear and described second gears meshing, described second duplicate gear also with described first gears meshing.
Further, the first friction plate is provided with between described first duplicate gear and described first gear; And/or, be provided with the second friction plate between described second duplicate gear and described second gear; And/or the outer face of described second duplicate gear and described second gear is provided with the 3rd friction plate, the outside of described 3rd friction plate is also provided with stage clip.
Further, described first duplicate gear is fixedly connected on described power output shaft, described first gear being rotatable be connected on described power output shaft; Or described first duplicate gear is rotating to be connected on described power output shaft, and described first gear is fixedly connected on described power output shaft.
Further, described buffer shaft is fixed in described Manual drive mechanism, described second duplicate gear and described second gear being rotatable be connected on described buffer shaft; Or described buffer shaft is rotating to be connected in described Manual drive mechanism, and for described second duplicate gear and described second gear, wherein a gear is fixed on described buffer shaft, being connected on described buffer shaft of another gear being rotatable.
Further, described power output shaft is connected with the first torsion spring, and/or described first duplicate gear is connected with the second torsion spring, and/or described first gear is connected with the 3rd torsion spring, and/or described second duplicate gear is connected with on the 4th torsion spring and/or described second gear and is connected with the 5th torsion spring.
Further, described Manual drive mechanism comprises shell, worm shaft and worm-wheel shaft, and in the housing, described worm shaft is described power input shaft for described worm shaft and the rotating connection of described worm-wheel shaft, and described worm-wheel shaft is described power output shaft.
Further, described Manual drive mechanism comprises shell, worm shaft and worm-wheel shaft, in the housing, described worm shaft is described power input shaft, and described worm-wheel shaft is connected with described pto for described worm shaft and the rotating connection of described worm-wheel shaft.
Further, described Manual drive mechanism comprises decelerator, the power shaft of described decelerator is described power input shaft, the output shaft of described decelerator is described power output shaft, the shell of described decelerator is also provided with for the self-locking mechanism of power input shaft described in the automatic locking when the unpowered input of described power input shaft.
Further, described Manual drive mechanism comprises shell, screw rod, rack and pinion axle, described screw rod and the rotating connection of described gear shaft are on the housing, described tooth bar is slidably connected in the housing, described tooth bar offers tapped through hole, described screw flight is connected in described tapped through hole, and described tooth bar engages with described gear shaft or described tooth bar is connected with described gear spindle drive; Described screw rod is described power input shaft, and described gear shaft is described power output shaft.
Compared with prior art, advantage of the present utility model and good effect are: the manual upside down machine that the utility model provides, backrest is driven to rotate by adopting the Manual drive mechanism with auto-lock function, when the unpowered input of power input shaft, Manual drive mechanism can realize automatic self-locking, thus guarantee that the attitude that backrest keeps adjusting is constant, realize the both hands of liberation user, simultaneously, effectively avoid backrest rotate voluntarily and meet accident, realization improves the security of manual upside down machine and is user-friendly to; Simultaneously, by arranging buffer gear cold, power can be avoided to be delivered to after on power output shaft, occurring that due to the gap of key on gear and rotating shaft power output shaft occurs to tremble or rock when outputting power, play the function of buffering, backrest can be rotated more stably.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the explosive view of the manual upside down machine embodiment of the utility model;
Fig. 2 is the structural representation one of Manual drive mechanism in the manual upside down machine embodiment of the utility model;
Fig. 3 is the internal structure schematic diagram one except decapsidate in Fig. 2;
Fig. 4 is the internal structure schematic diagram two except decapsidate in Fig. 2;
Fig. 5 is the structural representation two of Manual drive mechanism in the manual upside down machine embodiment of the utility model;
Fig. 6 is the internal structure schematic diagram except decapsidate in Fig. 5;
Fig. 7 is the structural representation three of Manual drive mechanism in the manual upside down machine embodiment of the utility model;
Fig. 8 is the internal structure schematic diagram except decapsidate in Fig. 7.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
As shown in Figure 1, the manual upside down machine of the present embodiment, comprise bracing frame 1 and backrest 2, backrest 2 can rotate on bracing frame 1, the manual upside down machine of the present embodiment also comprises the Manual drive mechanism 3 with auto-lock function, Manual drive mechanism 3 has power input shaft 31, power output shaft 32 and buffer shaft (not shown), Manual drive mechanism 3 is connected between bracing frame 1 and backrest 2, the driving force that user applies manually driving mechanism 3 realizes driving backrest 2 to rotate, and when the unpowered input of power input shaft 31, Manual drive mechanism 3 will realize self-locking, thus make backrest 2 holding position motionless.And in order to realize Manual drive mechanism 3 drive backrest 2 to rotate stably and can not occur because of drive gap vibration or rock, power output shaft 32 also coordinates with buffer shaft, realize cushion function.Wherein, the power resources of power input shaft 31 are from the power of the applying of user, such as, user can pass through rotational angle adjusting handle 4, or handle, or the manual actuation part such as rotating disk drives power input shaft 31 to rotate, for angular adjustment handwheel 4, angular adjustment handwheel 4 can directly be connected on power input shaft 31 by key, or, angular adjustment handwheel 4 is rotating to be connected on backrest 2, and angular adjustment handwheel 4 and power input shaft 31 are in transmission connection, and the mode be in transmission connection can adopt connect drive sprocket on angular adjustment handwheel 4 axle, and power input shaft 31 is provided with driven sprocket, chain is provided with between drive sprocket and driven sprocket.
The version of the Manual drive mechanism 3 in the present embodiment can have multiple, and the installation fit system of buffer shaft corresponding with it also has multiple, is described below in conjunction with accompanying drawing.
Embodiment two
As shown in Figure 1, Figure 2 and Figure 3, based on above-described embodiment one, Manual drive mechanism 3 adopts worm type of reduction gearing, specifically comprise shell 30, worm shaft 31 and worm-wheel shaft 32, worm shaft 31 and worm-wheel shaft 32 is rotating is connected in shell 30, worm shaft 31 is power input shaft, worm-wheel shaft 32 and power output shaft are same axis, and because worm shaft 31 is as power input shaft, when the unpowered input of worm shaft 31, worm gear in worm type of reduction gearing and worm screw will realize automatic self-locking, thus guarantee that the attitude that backrest keeps adjusting is constant.And worm-wheel shaft 32 is provided with the first buffer gear cold group 321, and buffer shaft 33 is provided with the second buffer gear cold group 331, first buffer gear cold group 321 and the second buffer gear cold group 331 coordinate the effect effectively can playing support to worm-wheel shaft 32, and worm-wheel shaft 32 can be avoided vibration to occur when outputting power or rocks simultaneously.Wherein, first buffer gear cold group 321 and the second buffer gear cold group 331 can be the gear that the number of teeth is identical, preferably, described first buffer gear cold group 321 comprises the first duplicate gear 3211 and the first gear 3212, and described second buffer gear cold group 331 comprises the second duplicate gear 3311 and the second gear 3312, described first duplicate gear 3211 engages with described second duplicate gear 3311 and described second gear 3312 respectively, described second duplicate gear 3311 also engages with described first gear 3212, in use, Relative friction is produced between first duplicate gear 3211 and the first gear 3212, simultaneously, also Relative friction is produced between second duplicate gear 3311 and the second gear 3312, and corresponding gear also meshes together between the first buffer gear cold group 321 and the second buffer gear cold group 331, thus can the first duplicate gear 3211 be passed through, first gear 3212, second duplicate gear 3311 and the second gear 3312 cooperatively interact and play vibrations that buffering worm-wheel shaft 32 produces when rotating or rock, backrest 2 can be rotated more stably.In addition, in order to increasing friction force improves buffer capacity, as shown in Figure 4, between described first duplicate gear 3211 and described first gear 3212, the first friction plate 3213 is provided with; And/or, be provided with the second friction plate 3313 between described second duplicate gear 3311 and described second gear 3312; And/or the outer face of described second duplicate gear 3311 and described second gear 3312 is provided with the 3rd friction plate 3314, the outside of described 3rd friction plate 3314 is also provided with stage clip 3315, and stage clip 3315 is resisted against on shell 30.And the first duplicate gear 3211 can be fixedly connected on described worm-wheel shaft 32, described first gear 3212 is rotating to be connected on described worm-wheel shaft 32; Or described first duplicate gear 3211 is rotating to be connected on described worm-wheel shaft 32, and described first gear 3212 is fixedly connected on described worm-wheel shaft 32.Can be fixed on shell 30 for buffer shaft 33, also can rotatingly be connected on shell 30, when described buffer shaft 33 is fixed on shell 30, described second duplicate gear 3311 and described second gear 3312 is rotating is connected on described buffer shaft 33; Or described buffer shaft 33 is rotating when being connected on shell 30, and one of them of described second duplicate gear 3311 and described second gear 3312 is fixed on described buffer shaft 33, another is rotating is connected on described buffer shaft 33.
Wherein, power output shaft and worm-wheel shaft 32 can be connected with the first torsion spring, and/or described first duplicate gear 3211 is connected with the second torsion spring, and/or described first gear 3212 is connected with the 3rd torsion spring, and/or described second duplicate gear 3311 is connected with the 4th torsion spring, and/or described second gear 3312 is connected with the 5th torsion spring, by increasing torsion spring further to improve buffer capacity, one end of torsion spring is fixed on power output shaft, or first duplicate gear 3211, or first gear 3212, or second duplicate gear 3311, or second on gear 3312, and the other end is fixed on shell 30 or bracing frame 1.
In addition, Manual drive mechanism 3 and the connected mode between bracing frame 1 and backrest 2 can be: shell 30 is fixed on backrest 2, and worm-wheel shaft 32 is fixed on bracing frame 1; Or shell 30 fixes upper support frame 1, and worm-wheel shaft 32 is fixed on backrest 2.In addition, the worm-wheel shaft 32 in Fig. 3 is power output shaft, can adopt worm-wheel shaft 32 and the non-coaxial mode of power output shaft, namely adopts between the two and is in transmission connection.
Embodiment three
As Fig. 1, shown in Fig. 5 and Fig. 6, based on above-described embodiment one, Manual drive mechanism 3 comprises decelerator, the power shaft of decelerator is power input shaft 31, the output shaft of decelerator is power output shaft 32, the shell 30 of decelerator is also provided with the self-locking mechanism 5 for the automatic locking power input shaft when power input shaft 31 unpowered input, by arranging self-locking mechanism 5 on power input shaft 31, when user applies power to power input shaft 31, self-locking mechanism 5 automatic unlocking, power input shaft 31 drives backrest 2 to rotate by decelerator, and when the unpowered input of power input shaft 31, self-locking mechanism 5 will realize automatic self-locking and not rotate with locked power input shaft 31, thus guarantee that the attitude that backrest 2 keeps adjusting is constant.Concrete, the mode of being in transmission connection is adopted to connect between the power input shaft 31 of decelerator and power output shaft 32, power input shaft 31 is provided with self-locking mechanism 5 for carrying out self-locking, wherein, self-locking mechanism 5 can adopt ratchet friction disk type one-way brake or capstan winch self-locking device etc. to have the parts of auto-lock function.And the side of power output shaft 32 is provided with buffer shaft 33 and buffer shaft 34, wherein, buffer shaft 33 is not used in transmission power, and buffer shaft 34 is also for transmitting power, also can only adopt buffer shaft 34 and save buffer shaft 33, preferably, power input shaft 31, power output shaft 32, buffer shaft 33 and buffer shaft 34 are respectively arranged with corresponding buffer gear cold 311, buffer gear cold 321, buffer gear cold 331 and buffer gear cold 341 to realize buffering.And the concrete structure of buffer gear cold 311, buffer gear cold 321, buffer gear cold 331 and buffer gear cold 341 can adopt structure and the fit form of buffer gear cold in embodiment two, do not repeat them here.Wherein, Manual drive mechanism 3 and the connected mode between bracing frame 1 and backrest 2 can be: shell 30 is fixed on backrest 2, and power output shaft 32 is fixed on bracing frame 1; Or shell 30 fixes upper support frame 1, and power output shaft 32 is fixed on backrest 2.
Embodiment four
As Fig. 1, shown in Fig. 7 and Fig. 8, based on above-described embodiment one, Manual drive mechanism 3 comprises shell 30, screw rod 31, tooth bar 34 and gear shaft 32, screw rod 31 and gear shaft 32 is rotating is connected on shell 30, tooth bar 34 is slidably connected in shell 30, tooth bar 34 offers tapped through hole (not shown), screw rod 31 is threaded in tapped through hole, tooth bar 34 engages with gear shaft 32, or tooth bar 34 is in transmission connection with gear shaft 32, by adopting screw rod 31 as power input shaft, and using gear shaft 32 as power output shaft, screw rod 31 drives tooth bar 34 to slide, tooth bar 34 coordinates with gear shaft 32 and realizes driving backrest 2 to rotate, when the unpowered input of screw rod 31, screw rod 31 will realize automatic self-locking with the tapped through hole in tooth bar 34, thus guarantee that the attitude that backrest keeps adjusting is constant.Gear shaft 32 is provided with the first buffer gear cold group 321, buffer shaft 33 is positioned at the side of gear shaft 32 and is provided with the second buffer gear cold group 331, first buffer gear cold group 321 and the second buffer gear cold group 331 coordinate the effect effectively can playing support to gear shaft 32, and gear shaft 32 can be avoided vibration to occur when outputting power or rocks simultaneously.Preferably, be provided with chute (not shown) in shell 30, tooth bar 34 is slidably connected in chute, can be led by chute to tooth bar 34, to guarantee that tooth bar 34 slides smoothly.Wherein, Manual drive mechanism 3 and the connected mode between bracing frame 1 and backrest 2 can be: shell 30 is fixed on backrest 2, and gear shaft 32 is fixed on bracing frame 1; Or shell 30 fixes upper support frame 1, and gear shaft 32 is fixed on backrest 2.
In addition, the buffer shaft 33 in above-described embodiment two, three, four can be arranged in shell 30, also can be arranged on outside shell 30, and the position of the manual upside down machine of the present embodiment to buffer shaft 33 does not limit.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a manual upside down machine, comprise bracing frame and backrest, described backrest is rotating to be connected on support frame as described above, it is characterized in that, also comprise the Manual drive mechanism with auto-lock function, described Manual drive mechanism has power input shaft, power output shaft and buffer shaft, be in transmission connection between described power input shaft and described power output shaft, described buffer shaft is provided with the first buffer gear cold group, described power output shaft is provided with the second buffer gear cold group, described first buffer gear cold group engages with described second buffer gear cold group, described Manual drive mechanism is connected between support frame as described above and described backrest.
2. manual upside down machine according to claim 1, is characterized in that, described first buffer gear cold group comprises the first duplicate gear and the first gear, and described second buffer gear cold group comprises the second duplicate gear and the second gear; Described first duplicate gear respectively with described second duplicate gear and described second gears meshing, described second duplicate gear also with described first gears meshing.
3. manual upside down machine according to claim 2, is characterized in that, is provided with the first friction plate between described first duplicate gear and described first gear; And/or, be provided with the second friction plate between described second duplicate gear and described second gear; And/or the outer face of described second duplicate gear and described second gear is provided with the 3rd friction plate, the outside of described 3rd friction plate is also provided with stage clip.
4. manual upside down machine according to claim 2, is characterized in that, described first duplicate gear is fixedly connected on described power output shaft, described first gear being rotatable be connected on described power output shaft; Or described first duplicate gear is rotating to be connected on described power output shaft, and described first gear is fixedly connected on described power output shaft.
5. manual upside down machine according to claim 2, is characterized in that, described buffer shaft is fixed in described Manual drive mechanism, described second duplicate gear and described second gear being rotatable be connected on described buffer shaft; Or described buffer shaft is rotating to be connected in described Manual drive mechanism, and for described second duplicate gear and described second gear, wherein a gear is fixed on described buffer shaft, being connected on described buffer shaft of another gear being rotatable.
6. manual upside down machine according to claim 2, it is characterized in that, described power output shaft is connected with the first torsion spring, and/or described first duplicate gear is connected with the second torsion spring, and/or described first gear is connected with the 3rd torsion spring, and/or described second duplicate gear is connected with on the 4th torsion spring and/or described second gear and is connected with the 5th torsion spring.
7. manual upside down machine according to claim 1, it is characterized in that, described Manual drive mechanism comprises shell, worm shaft and worm-wheel shaft, described worm shaft and the rotating connection of described worm-wheel shaft are in the housing, described worm shaft is described power input shaft, and described worm-wheel shaft is described power output shaft.
8. manual upside down machine according to claim 1, it is characterized in that, described Manual drive mechanism comprises shell, worm shaft and worm-wheel shaft, described worm shaft and the rotating connection of described worm-wheel shaft are in the housing, described worm shaft is described power input shaft, and described worm-wheel shaft is connected with described pto.
9. manual upside down machine according to claim 1, it is characterized in that, described Manual drive mechanism comprises decelerator, the power shaft of described decelerator is described power input shaft, the output shaft of described decelerator is described power output shaft, the shell of described decelerator is also provided with for the self-locking mechanism of power input shaft described in the automatic locking when the unpowered input of described power input shaft.
10. manual upside down machine according to claim 1, it is characterized in that, described Manual drive mechanism comprises shell, screw rod, rack and pinion axle, described screw rod and the rotating connection of described gear shaft are on the housing, described tooth bar is slidably connected in the housing, described tooth bar offers tapped through hole, and described screw flight is connected in described tapped through hole, and described tooth bar engages with described gear shaft or described tooth bar is connected with described gear spindle drive; Described screw rod is described power input shaft, and described gear shaft is described power output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037939.5U CN204352482U (en) | 2015-01-20 | 2015-01-20 | Manual upside down machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037939.5U CN204352482U (en) | 2015-01-20 | 2015-01-20 | Manual upside down machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204352482U true CN204352482U (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520037939.5U Expired - Fee Related CN204352482U (en) | 2015-01-20 | 2015-01-20 | Manual upside down machine |
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|---|---|
| CN (1) | CN204352482U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105288959A (en) * | 2015-12-04 | 2016-02-03 | 展彩娜 | Headstand machine |
| CN106693309A (en) * | 2015-11-18 | 2017-05-24 | 刘承旻 | Inversion machine |
| CN108166908A (en) * | 2017-12-27 | 2018-06-15 | 江苏丰源船舶工程有限公司 | It is a kind of with dual-power switching function without door weather-tight shutter |
| CN110507951A (en) * | 2019-07-02 | 2019-11-29 | 方永 | Stroll rotation body-building sports machine |
| CN112604256A (en) * | 2020-11-27 | 2021-04-06 | 青岛理工大学 | Service robot for volleyball training |
-
2015
- 2015-01-20 CN CN201520037939.5U patent/CN204352482U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693309A (en) * | 2015-11-18 | 2017-05-24 | 刘承旻 | Inversion machine |
| CN106693309B (en) * | 2015-11-18 | 2018-12-04 | 刘承旻 | Upside down machine |
| CN105288959A (en) * | 2015-12-04 | 2016-02-03 | 展彩娜 | Headstand machine |
| CN108166908A (en) * | 2017-12-27 | 2018-06-15 | 江苏丰源船舶工程有限公司 | It is a kind of with dual-power switching function without door weather-tight shutter |
| CN108166908B (en) * | 2017-12-27 | 2024-01-09 | 江苏丰源船舶工程有限公司 | Non-door weather-tight shutter with double-power switching function |
| CN110507951A (en) * | 2019-07-02 | 2019-11-29 | 方永 | Stroll rotation body-building sports machine |
| CN112604256A (en) * | 2020-11-27 | 2021-04-06 | 青岛理工大学 | Service robot for volleyball training |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20170120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |