CN110745576B - Auxiliary assistor for hopper deflection - Google Patents
Auxiliary assistor for hopper deflection Download PDFInfo
- Publication number
- CN110745576B CN110745576B CN201911090984.6A CN201911090984A CN110745576B CN 110745576 B CN110745576 B CN 110745576B CN 201911090984 A CN201911090984 A CN 201911090984A CN 110745576 B CN110745576 B CN 110745576B
- Authority
- CN
- China
- Prior art keywords
- extension rod
- deflection
- sleeve
- hopper
- assistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/23—Devices for tilting and emptying of containers
- B65G65/24—Devices for tilting and emptying of containers for manual tilting of barrels or casks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a hopper deflection auxiliary booster which can be used in combination with the existing hopper, can adjust the length and the angle of an arm of force and is convenient and labor-saving.
Description
Technical Field
The invention discloses a hopper deflection auxiliary assistor, relates to an auxiliary assistor for assisting a hopper to deflect, and belongs to the field of engineering construction. In particular to an auxiliary assistor which can be combined with the prior hopper, can adjust the length and the angle of a force arm and is convenient and labor-saving.
Background
At present, when engineering construction, all adopt the dolly to carry out freight, transport, when empting, need carry out empting of material through whole dolly that turns over, the inclined plane that sets up on through the hopper leads, it is clear to need the cooperation personnel to push away the shovel simultaneously, the car hopper of some dollies can independently overturn, but its upset application of force mainly pushes away as application of force lever and pushes up through the dolly, make the hopper upset, but it no matter length or rotation angle all are fixed, be not convenient for adjust the operation, and when reprinting to different materials, required turning force is different, can not adjust the arm of force, reach laborsaving effect.
Publication No. CN206358182U discloses a turnover trolley, which comprises a trolley hopper, a bracket, a guide plate, wheels and a turnover shaft; the front end of the bottom of the trolley hopper is rotatably connected with the bracket through a turnover shaft; the rear end of the bottom of the trolley hopper is loaded on a horizontal rod on the bracket, so that the bottom of the trolley hopper is kept in a horizontal state; the bottom of the bracket is provided with wheels through a wheel arm; the bottom of the bracket is longitudinally connected with an upright guide plate; the bottom end of deflector connects a horizontally limiting plate integratively, and the upset does not set up supplementary application of force structure in the device, and upset stability is poor.
Publication number CN108382446A discloses a upset platform truck, including extension spring and rubber buffer strip, the support frame is L shape frame construction, and the terminal surface has seted up two magnet attraction holes before the support frame, the terminal surface has seted up a fixed orifices grafting groove before the support frame, and has seted up a fixed orifices in the fixed orifices grafting inslot to the fixed orifices communicates with each other with the jack, the universal wheel is everywhere, and all installs on support frame bottom terminal surface through the bolt all around the universal wheel, the end rotary column is installed in the support frame bottom, and the device forms the upset drive through magnetic structure, and the structure is complicated big to the change of dolly, can not directly combine with current dolly.
Disclosure of Invention
In order to improve the situation, the invention provides the auxiliary assistor for hopper deflection, which can be used by combining the existing hopper, can adjust the length and the angle of the force arm and is convenient and labor-saving.
The invention discloses a hopper deflection auxiliary assistor, which is realized as follows: the invention relates to a hopper deflection auxiliary assistor, which consists of a force application device and a fixing device, wherein the force application device consists of an extension rod, a limiting table, clamping grooves, a handle and a connecting pipe, the limiting table is arranged at one end of the extension rod, the extension rod is a long strip rectangular rod, two opposite surfaces of the extension rod are arc surfaces, a row of clamping grooves are arranged on the arc surface of the upper side of the extension rod and are distributed at equal intervals, the row of clamping grooves are close to one end of the extension rod, the position of the arc surface of the upper side of the extension rod, which is close to the other end, is provided with one clamping groove, the connecting pipe is sleeved at the other end of the extension rod, the inner side surface of the connecting pipe is in fit connection with the outer side surface of the extension rod, the middle part of the connecting pipe is provided with a circular branch pipe, one end of the handle is sleeved in the branch pipe on the connecting pipe, the handle is vertical to the extension rod, the surface of the handle is provided with anti-slip grains, the handle is of a hollow circular rod-shaped structure, the fixing device comprises a connecting plate, an upper supporting arm, a guide sleeve, a deflection sleeve, a rotary ring, a reset spring, a sliding sleeve, a limiting pin, a limiting ring, a latch, a connecting screw and a fixing plate, wherein the deflection sleeve is sleeved on the extension rod, the inner side surface of the deflection sleeve is attached to the outer side surface of the extension rod, one end of the guide sleeve is arranged at the top of the deflection sleeve and is communicated with the inner part of the deflection sleeve, the inner wall of one end of the guide sleeve protrudes inwards to form a convex ring, the sliding sleeve is screwed on the other end of the guide sleeve, one end of the limiting pin penetrates through the sliding sleeve and is arranged in the guide sleeve, the diameter of one end of the limiting pin is smaller than that of the other end, the limiting pin can slide, the latch is arranged on one end of the limiting pin, the latch corresponds to the clamping groove, the limiting sleeve is arranged on the pin and is positioned below the sliding sleeve, the reset spring is sleeved on the limiting pin, the one end and the spacing ring of reset spring are connected, reset spring's the other end and slip cover are connected, the swivel collar has been put to the deflector sleeve, it has the through-hole to open on the fixed plate, on the swivel collar was arranged in to the through-hole cover, and connecting screw passed through-hole and swivel collar looks spiro union on the fixed plate, and two connecting plates symmetry are arranged in on the both sides limit of fixed plate, and are close to the one end of fixed plate, it has connecting hole and spread groove to open on the connecting plate, and the fixed plate side of arranging is fixed in to the upper bracket arm, the upper bracket arm is U type rod structure, and the extension rod top is arranged in to the both ends extension rod extension of upper bracket arm extension pressure, open the bottom of upper bracket arm has the arc wall, the top of arc wall and extension rod is laminated mutually, the connecting plate extends to the direction slant of keeping away from the deflector sleeve from one side position to middle part position, the connecting plate is bent to the vertical direction from middle part to opposite side position and is extended.
Has the beneficial effects.
1. The length of the extension rod can be adjusted in a telescopic mode, and then the arm is adjusted in length to adapt to overturning of different materials.
2. The turning angle is increased and changed through the change of the angle, so that the turnover device is suitable for turning at different angles.
3. Can be independently installed and fixed and can be matched with the existing trolley for use.
Drawings
FIG. 1 is a perspective view of a hopper deflection auxiliary assistor of the present invention;
FIG. 2 is a perspective view of the hopper deflection auxiliary assistor of the present invention when retracted;
FIG. 3 is a perspective exploded view of a fixed plate of a hopper deflection auxiliary booster of the present invention;
FIG. 4 is a perspective view of a stopper pin of the auxiliary assistor for hopper deflection according to the present invention;
fig. 5 is a schematic structural view of a guide sleeve of a hopper deflection auxiliary assistor.
In the attached drawings
Wherein the method comprises the following steps: the device comprises an extension rod (1), a connecting plate (2), an upper supporting arm (3), a guide sleeve (4), a limiting table (5), a clamping groove (6), a deflection sleeve (7), a handle (8), a connecting pipe (9), a rotary ring (10), a reset spring (11), a sliding sleeve (12), a limiting pin (13), a limiting ring (14), a latch (15), a connecting screw (16) and a fixing plate (17).
The specific implementation mode is as follows:
the invention discloses a hopper deflection auxiliary booster which is realized by a booster device and a fixing device, wherein the booster device comprises an extension rod (1), a limiting table (5), clamping grooves (6), a handle (8) and a connecting pipe (9), the limiting table (5) is arranged at one end of the extension rod (1), the extension rod (1) is a long-strip-shaped rectangular rod, two vertically opposite surfaces of the extension rod (1) are arc surfaces, a row of clamping grooves (6) are formed in the arc surface on the upper side of the extension rod (1) and are distributed at equal intervals, the row of clamping grooves (6) are close to one end of the extension rod (1), the clamping groove (6) is formed in the arc surface on the upper side of the extension rod (1) and is close to the other end, the connecting pipe (9) is sleeved on the other end of the extension rod (1), the inner side surface of the connecting pipe (9) is in fit connection with the outer side surface of the extension rod (1), a circular pipe divider is arranged in the middle of the connecting pipe (9), one end of the rod-shaped handle (8) is arranged in a sleeve on the connecting pipe (9), the hollow sleeve, the handle (8) is arranged on the hollow connecting pipe (1), the hollow connecting pipe (7), and a guide groove (3) and a guide groove (7) and a guide ring (7) is arranged on the hollow connecting plate (3) and a guide ring (4) and a guide ring (3) and a guide ring The device comprises a reset spring (11), a sliding sleeve (12), a limiting pin (13), a limiting ring (14), a latch (15), a connecting screw (16) and a fixing plate (17), wherein the deflection sleeve (7) is sleeved on the extension rod (1), the inner side surface of the deflection sleeve (7) is attached to the outer side surface of the extension rod (1), one end of a guide sleeve (4) is arranged at the top of the deflection sleeve (7) and communicated with the inside of the deflection sleeve (7), the inner wall of one end of the guide sleeve (4) protrudes inwards to form a convex ring, the sliding sleeve (12) is screwed on the other end of the guide sleeve (4), one end of the limiting pin (13) penetrates through the sliding sleeve (12) and is arranged in the guide sleeve (4), the diameter of one end of the limiting pin (13) is smaller than that of the other end, the limiting pin (13) can slide, the latch (15) is arranged on one end of the limiting pin (13), the latch (15) corresponds to the latch (6), the limiting pin (13) is sleeved with the limiting ring (14), the sliding sleeve (12) is positioned on the upper end of the limiting ring (11), the return spring (11), the return sleeve (11) is connected with the return spring (11), and the return sleeve (10) is connected with the return sleeve (7), the fixing plate (17) is provided with a through hole, the through hole is sleeved on the rotary ring (10), a connecting screw (16) penetrates through the through hole in the fixing plate (17) and is in threaded connection with the rotary ring (10), the two connecting plates (2) are symmetrically arranged on two sides of the fixing plate (17) and are close to one end of the fixing plate (17), the connecting plates (2) are provided with a connecting hole and a connecting groove, the upper supporting arm (3) is fixedly arranged on one side face of the fixing plate (17), the upper supporting arm (3) is of a U-shaped rod-shaped structure, two ends of the upper supporting arm (3) extend and press the top of the extension rod (1), the bottom of the upper supporting arm (3) is provided with an arc-shaped groove, the arc-shaped groove is attached to the top of the extension rod (1), the connecting plate (2) extends obliquely from one side to the middle position to the direction far away from the rotary sleeve (7), and the connecting plate (2) bends and extends towards the vertical direction from the middle position to the other side.
When the auxiliary force applying device is used, in an initial state, the deflection sleeve (7) is positioned on the extension rod (1) and close to the other end, the clamping teeth (15) are clamped in the clamping grooves (6) on the extension rod (1) and close to the other end, when auxiliary force applying is needed to deflection of a hopper, a person firstly fixes the connecting plate (2) on the hopper through screws, the force applying device is fixedly installed, then lifts the limiting pin (13) on the deflection sleeve (7) on one hand to enable the clamping teeth (15) and the clamping grooves (6) to be separated, holds the handle (8) to pull the extension rod (1) with the other hand, one end of the extension rod (1) moves towards the deflection sleeve (7), when the row of clamping grooves (6) on one end of the extension rod (1) move to the deflection sleeve (7), the limiting pin (13) is loosened, the clamping teeth (15) at the bottom of the limiting pin (13) push down under the action of spring resetting, the clamping teeth (15) are buckled into the clamping grooves (6), the extension rod (1) are fixedly limited, the operation person can adjust the weight of materials in the hopper, and then adjust the length of the extension rod (1), and the extension rod (1) to adjust the length of the extension rod, and the extension rod (1);
meanwhile, personnel can loosen the connecting screw (16) according to the direction of the hopper, adjust the angle of the deflection ring, rotate the deflection ring to enable the extension rod (1) to rotate, rotate the extension rod (1) to a proper angle, and then tighten and fix the connecting screw (16), so that the angle of the force arm can be adjusted to adapt to overturning at different angles;
after the adjustment is finished, a person holds the handle (8) at the other end of the extension rod (1) to lift the other end of the extension rod (1), and then the fixed plate (17) drives the hopper car to overturn to dump materials in the hopper car;
the extension rod (1) is a long strip-shaped rectangular rod, and two vertically opposite surfaces of the extension rod (1) are arc-shaped surfaces, so that the extension rod (1) can only slide along the deflection sleeve (7) and cannot deflect to prevent rotation, and a clamping groove (6) on the extension rod (1) is kept corresponding to the clamping tooth (15);
the arc-shaped surface of the upper side of the extension rod (1) is provided with a row of clamping grooves (6), and the clamping grooves (6) are distributed at equal intervals, so that the positions of the clamping grooves (6) clamped by the clamping teeth (15) can be adjusted according to needs to adjust the length of the extension rod (1), and further the length of an arm of force is adjusted to meet the requirements of turning over materials with different weights;
the design that a clamping groove (6) is formed in the position, close to the other end, of the arc-shaped surface on the upper side of the extension rod (1) is adopted, and when the extension rod is not used, the deflection sleeve (7) can be fixed to the position, close to the other end, of the extension rod (1);
the surface of the handle (8) is provided with anti-skid grains, so that the friction force between the handle and the hand is increased, the handle is anti-skid, and the stability is better when the handle is held and turned over;
the handle (8) is designed to be of a hollow round rod-shaped structure, and can be matched with an external rod for sleeve connection to lengthen the handle for use;
the design that the inner side surface of the deflection sleeve (7) is attached to the outer side surface of the extension rod (1) is matched with the design of the shape of the outer side surface of the extension rod (1), so that the deflection sleeve is matched with the extension rod (1) to prevent the extension rod (1) from rotating;
the inner wall of one end of the guide sleeve (4) protrudes inwards to form a convex ring, and the convex ring is matched with a limiting ring (14) on the limiting pin (13) to limit the limiting pin (13);
the diameter of one end of the limiting pin (13) is smaller than that of the other end of the limiting pin (13), so that the other end of the limiting pin (13) can be limited, and the limiting pin (13) is prevented from completely sliding into the guide sleeve (4) when pushed down;
the upper supporting arm (3) is of a U-shaped rod-shaped structure, and the two ends of the upper supporting arm (3) extend to be pressed at the top of the extension rod (1), so that the extension rod (1) is further pressed and fixed, and is more stable and not easy to slide;
the connecting plate (2) extends obliquely from one side to the middle part in the direction far away from the deflection sleeve (7), and the connecting plate (2) is bent and extends from the middle part to the other side in the vertical direction, so that a certain distance is kept between the vertical part of the connecting plate (2) and the deflection sleeve (7), and the vertical part is convenient to be attached to a hopper;
the fixed plate (17) is matched with the deflection sleeve (7) and the extension rod (1), and can be directly installed and fixed on the existing hopper for use, so that the use is more convenient;
the extension rod (1) is matched with the deflection sleeve (7) and the limiting pin (13), so that the extension length of the extension rod (1) can be adjusted, and the force arm can be adjusted to meet the requirements of turning over different materials;
the deflection sleeve (7) is matched with the rotation ring (10) and the fixing plate (17), so that the angle of the extension rod (1) can be adjusted, and the turnover requirements of different angles can be met;
the connecting screw (16) is loosened, and the design of rotating the deflection sleeve (7) through the rotation ring (10) can adjust the angle of the extension rod (1) through the deflection sleeve (7), so that the turnover requirements of different angles are met;
the extension rod (1) is pulled, and the latch (15) on the limiting pin (13) is clamped in the clamping groove (6) at the corresponding position as required, so that the extension length of the extension rod (1) can be adjusted, and the length of the force arm can be adjusted to adapt to the overturning of materials with different weights;
the purpose that can combine current hopper to use, and can adjust arm of force length and angle, convenient laborsaving is reached.
It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (10)
1. The utility model provides a hopper auxiliary force booster that deflects which characterized in that: the limiting platform is arranged at one end of the extension rod, the inner side surface of the connecting pipe is connected with the outer side surface of the extension rod in a laminating mode, a circular branch pipe is arranged in the middle of the connecting pipe, one end of the handle is sleeved in the branch pipe on the connecting pipe, the handle is perpendicular to the extension rod, the deflection sleeve is sleeved on the extension rod, the inner side surface of the deflection sleeve is attached to the outer side surface of the extension rod, one end of the guide sleeve is arranged at the top of the deflection sleeve and is communicated with the inner portion of the deflection sleeve, the inner wall of one end of the guide sleeve protrudes inwards to form a convex ring, the sliding sleeve is screwed on the other end of the guide sleeve, one end of the limiting pin penetrates through the sliding sleeve and is arranged in the guide sleeve, the limiting pin can slide, the latch is arranged at one end of the limiting pin, the latch corresponds to the clamping groove, the limiting ring is sleeved on the limiting pin and is located below the sliding sleeve, the reset spring is sleeved on the limiting pin, one end of the reset spring is connected with the limiting ring, the other end of the reset spring is connected with the sliding sleeve, a rotary ring, a through hole is arranged on the fixing plate, a screw is symmetrically arranged on the two sides of the connecting plate, and a connecting plate is arranged on the connecting plate, and a connecting hole is arranged on the connecting plate, and a connecting plate.
2. The hopper deflection auxiliary assistor as claimed in claim 1, wherein the extension rod is a rectangular rod, and two opposite upper and lower surfaces of the extension rod are arc surfaces, so that the extension rod can only slide along the deflection sleeve, can not deflect, and can be prevented from rotating, so that the locking groove on the extension rod can be kept corresponding to the locking tooth.
3. The hopper deflection auxiliary assistor as claimed in claim 2, wherein a row of slots are formed on the arc-shaped surface of the upper side of the extension rod and are distributed at equal intervals, and the slot is close to one end of the extension rod, so that the position of the slot into which the latch is engaged can be adjusted as required to adjust the length of the extension rod, and further, the length of the force arm can be adjusted to meet the requirements of turning over materials with different weights.
4. The hopper deflection auxiliary booster as claimed in claim 2 or 3, wherein a locking groove is formed on the arc-shaped surface of the upper side of the extension rod near the other end thereof, and the connecting pipe is sleeved on the other end of the extension rod.
5. The hopper deflection assisting force booster as claimed in claim 1, wherein said handle is provided with anti-slip threads on a surface thereof, and said handle is of a hollow circular rod-like structure.
6. The hopper deflection assisted assistor of claim 1, wherein the diameter of one end of the limit pin is smaller than the diameter of the other end.
7. The hopper deflection-assisted assistor device of claim 1, wherein the connecting plate extends diagonally away from the deflection sleeve from one side to a middle position, and the connecting plate extends at a vertical bend from the middle to another side position.
8. The hopper deflection auxiliary assistor as claimed in claim 1, wherein the upper bracket arm is of a U-shaped rod structure, and both ends of the upper bracket arm extend and press on the top of the extension rod.
9. The hopper deflection assist booster of claim 8, wherein said upper bracket arm has an arcuate slot in a bottom portion thereof, said arcuate slot engaging a top portion of said extension rod.
10. The hopper deflection auxiliary assistor as claimed in claim 4, wherein the extension rod is coupled with the deflection sleeve and the limit pin, so that the extension rod can be adjusted in extension length, and further the arm of force can be adjusted to meet the requirements of turning over different materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911090984.6A CN110745576B (en) | 2019-11-09 | 2019-11-09 | Auxiliary assistor for hopper deflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911090984.6A CN110745576B (en) | 2019-11-09 | 2019-11-09 | Auxiliary assistor for hopper deflection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110745576A CN110745576A (en) | 2020-02-04 |
| CN110745576B true CN110745576B (en) | 2023-04-11 |
Family
ID=69282783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911090984.6A Active CN110745576B (en) | 2019-11-09 | 2019-11-09 | Auxiliary assistor for hopper deflection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110745576B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5138911A (en) * | 1991-10-07 | 1992-08-18 | Lan Wen Rong | Telescopic wrench extensioner |
| CN2868578Y (en) * | 2006-01-16 | 2007-02-14 | 陈家佑 | Handle telescopic structure for manual tool |
| CN201415396Y (en) * | 2009-04-16 | 2010-03-03 | 上海新朋实业股份有限公司 | Automatic locking mechanism for telescopic square tube handle |
| CN204067087U (en) * | 2014-09-10 | 2014-12-31 | 云南电网公司玉溪供电局 | The afterburning handle of a kind of isolating switch |
| CN106078583A (en) * | 2016-08-28 | 2016-11-09 | 天津泰达森然工程咨询有限公司 | A kind of Labor-saving wrench for building sites |
| CN107953290A (en) * | 2016-10-15 | 2018-04-24 | 王丽春 | A kind of spanner easy to use |
| CN207111619U (en) * | 2017-07-01 | 2018-03-16 | 浙江亚特电器有限公司 | A kind of telescoping tube and electric garden tool |
| CN207135436U (en) * | 2017-07-27 | 2018-03-27 | 刘延辉 | A kind of gardens scoop of adjustable length |
| CN208306681U (en) * | 2018-04-11 | 2019-01-01 | 株洲创兆能源科技有限公司 | A kind of skip car |
| CN108818375A (en) * | 2018-09-12 | 2018-11-16 | 泰兴市协力量具有限公司 | A kind of telescopic spanner quickly used |
| CN208681503U (en) * | 2018-09-19 | 2019-04-02 | 金华市双星工具有限公司 | A kind of easy-to-dismount outdoor sports large hammers |
-
2019
- 2019-11-09 CN CN201911090984.6A patent/CN110745576B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110745576A (en) | 2020-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2388692A (en) | Lifting truck | |
| US9758184B1 (en) | Three wheel cargo cart with lifting drawbar | |
| US4802681A (en) | Wheelbarrow | |
| CN203544078U (en) | Electric stair climbing vehicle | |
| CN106741426B (en) | Electric folding tricycle | |
| CN213413910U (en) | Hotel management is with multi-functional clean shallow | |
| CN104290794B (en) | A kind of go-cart for double child and bracket assembly | |
| CN110745576B (en) | Auxiliary assistor for hopper deflection | |
| CN107928054B (en) | Brake device of airplane wheel luggage case | |
| CN113060198A (en) | Medical oxygen cylinder carrier of static is prevented to pair | |
| CN216038510U (en) | Stable lifting platform for architectural decoration | |
| CN111268004A (en) | Adjustable electric motor car collateral branch frame based on elastic support | |
| KR102309270B1 (en) | The wheelchair with a seat frame for front-to-back conversion | |
| CN205113582U (en) | Dual -purpose shopping cart of old person | |
| CN201287828Y (en) | Container loading conveyor device | |
| CN209410214U (en) | A kind of electric vehicle support device | |
| CN103538614A (en) | Proceeding self-locking device | |
| CN211075935U (en) | Small wheel vehicle for mountainous region | |
| CN202783509U (en) | Air cylinder structure of double-layer bicycle stand | |
| CN206031653U (en) | Portable scooter | |
| WO2020029451A1 (en) | Portable elevator apparatus | |
| CN111920602A (en) | Back-push type tri-star wheel stair climbing vehicle capable of automatically adjusting seat surface to be horizontal | |
| CN105774771A (en) | Vehicle and parking operating lever assembly thereof | |
| CN205997938U (en) | airport trolley handlebar | |
| CN216512301U (en) | Construction elevator portable footboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |