CN109466608B - Adjustable portable commodity carrying device - Google Patents
Adjustable portable commodity carrying device Download PDFInfo
- Publication number
- CN109466608B CN109466608B CN201910000853.8A CN201910000853A CN109466608B CN 109466608 B CN109466608 B CN 109466608B CN 201910000853 A CN201910000853 A CN 201910000853A CN 109466608 B CN109466608 B CN 109466608B
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- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
- B62B3/022—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible folding down the body to the wheel carriage or by retracting projecting parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2203/00—Grasping, holding, supporting the objects
- B62B2203/60—Positioning, means on a cart for loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/30—Detachable, retractable or collapsible load supporting means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Display Racks (AREA)
- Handcart (AREA)
Abstract
The utility model provides an adjustable portable commodity carrying device, includes the wheel, still includes a pair of fixed arm and at least a pair of rotor arm that link together, the rotor arm with the fixed arm rotates to be connected, just the rotor arm can with the fixed arm is folding together, also can open with the fixed arm forms certain angle, the wheel sets up respectively the rotor arm with fixed arm bottom. When the folding type cargo box is used, space is saved when the rotating arm and the fixed arm are folded together for folding, a certain angle is formed when the folding type cargo box is unfolded, cargo can be supported, further the cargo box is transported, the cargo box is placed on the rotating arm and the fixed arm for supporting, cargo transportation can be achieved through the wheel moving device, a large amount of area is not occupied when the rotating arm and the fixed arm are folded together for folding, and folding and unfolding are convenient.
Description
Technical Field
The invention relates to the technical field of carrying devices, in particular to an adjustable portable commodity carrying device.
Background
In the process of selling or placing goods on a goods shelf, the goods are often required to be moved, and when the goods are moved at present, a trolley is usually used for moving. The existing carrying trolley generally comprises a supporting plate, wheels arranged at the bottom of the supporting plate and a handle arranged at one end of the supporting plate and used for pushing the trolley to move. However, when the trolley is used for commodity movement, a large amount of area is occupied during retraction due to the fixed size of the supporting plate, and the retraction is inconvenient.
Disclosure of Invention
The invention provides an adjustable portable commodity carrying device which aims to solve the technical problem that an existing trolley is inconvenient to retract and release.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the utility model provides an adjustable portable commodity carrying device, includes the wheel, still includes a pair of fixed arm and at least a pair of rotor arm that link together, the rotor arm with the fixed arm rotates to be connected, just the rotor arm can with the fixed arm is folding together, also can open with the fixed arm forms certain angle, the wheel sets up respectively the rotor arm with fixed arm bottom.
The invention discloses an adjustable portable commodity carrying device, wherein a rotating arm is rotationally connected with the fixed arm through a connecting mechanism, the connecting mechanism comprises a fixed block connected with the fixed arm, a rotating block connected with the rotating arm and a limiting piece, the fixed block is provided with a rotating groove, the rotating block is rotationally arranged in the rotating groove, the limiting piece comprises a circular lower end and a polygonal upper end, the fixed block is provided with a first limiting groove penetrating through the fixed block and matched with the limiting piece, the rotating block is provided with a second limiting groove matched with the limiting piece, and the limiting piece can be arranged in the first limiting groove and the second limiting groove in a drawing mode.
The invention discloses an adjustable portable commodity carrying device, wherein the fixed arm and the rotating arm both comprise a supporting arm and a telescopic arm, the supporting arm is provided with a sliding groove matched with the telescopic arm, and the telescopic arm is slidably sleeved in the sliding groove.
The invention discloses an adjustable portable commodity carrying device, wherein a sliding groove is a dovetail groove with an opening at the upper part, a sawtooth rack is arranged at the bottom of the sliding groove, a rotating groove is formed in the bottom wall of a telescopic arm, a deflector rod is connected to the rotating groove through a rotating shaft, a ruler tooth matched with the rack is arranged at the bottom of the deflector rod, the deflector rod is connected with the telescopic arm through an elastic return piece, the ruler tooth is meshed with the sawtooth rack when the elastic return piece is in a normal state, and the sawtooth rack is separated from the ruler tooth when the deflector rod rotates.
The adjustable portable commodity carrying device further comprises a limiting arm, wherein the rotating arm and the fixed arm are connected with the limiting arm, and the limiting arm can be folded onto the rotating arm or the fixed arm.
The invention discloses an adjustable portable commodity carrying device, wherein the fixed arm and the rotating arm are both connected with a second rotating block, the second rotating block is provided with a second rotating groove, the limiting arm is connected with the second rotating block through a special-shaped rotating shaft, one end of the special-shaped rotating shaft is a circle, the other end of the special-shaped rotating shaft is a polygon, the second rotating block is provided with a first special-shaped groove matched with the special-shaped rotating shaft, the limiting arm is provided with a second special-shaped groove matched with the special-shaped rotating shaft, and the special-shaped rotating shaft can be arranged in the first special-shaped groove and the second special-shaped groove in a drawing mode.
The invention discloses an adjustable portable commodity carrying device, wherein a limiting arm comprises a first sub-limiting arm and a second sub-limiting arm, the second sub-limiting arm is slidably arranged in the first sub-limiting arm through a telescopic slot formed in the first sub-limiting arm, a second penetrating fixing slot is formed in the second sub-limiting arm, and when the first sub-limiting arm slides to a certain position in the telescopic slot, the first limiting arm can be fixed through a fixing piece.
The invention discloses an adjustable portable commodity carrying device, which further comprises a limiting piece, wherein the limiting piece comprises a first auxiliary limiting piece and a second auxiliary limiting piece connected to one end of the first auxiliary limiting piece, the upper end of a limiting arm is provided with a rotating piece, the rotating piece comprises a first rotating column and a second rotating column, the diameter of the second rotating column is larger than that of the first rotating column and is arranged at the upper end of the first rotating column, a rotating groove matched with the rotating piece is formed in the second auxiliary limiting piece, the rotating piece is arranged in the rotating groove, and the limiting piece can rotate around the rotating piece.
The invention discloses an adjustable portable commodity carrying device, wherein a third limiting groove is formed in the side wall of a telescopic arm, a limiting piece matched with the third limiting groove is arranged on the side wall of a supporting arm, the inner end of the limiting piece is arranged in the third limiting groove, and when the telescopic arm is pulled out for a certain distance, the limiting piece limits the telescopic arm.
The invention discloses an adjustable portable commodity carrying device, wherein at least one wheel is a rotating wheel, the upper end of the rotating wheel is connected with a rotating rod, a circular rotating disc is arranged on the rotating rod, a notch is formed in the side edge of the circular rotating disc, a rotating groove and a positioning groove are formed in the position, opposite to the rotating wheel, of a fixed arm or the rotating arm, the rotating groove is matched with the rotating rod and the rotating disc, the rotating rod and the rotating disc are rotatably arranged in a sliding groove, the positioning groove penetrates through the sliding groove, a positioning pin is arranged in the positioning groove, the positioning pin is matched with the notch, and the rotating wheel can not rotate when the positioning pin is in contact with the notch.
Compared with the prior art, the invention has the beneficial effects that:
when the folding type cargo box is used, space is saved when the rotating arm and the fixed arm are folded together for folding, a certain angle is formed when the folding type cargo box is unfolded, cargo can be supported, further the cargo box is transported, the cargo box is placed on the rotating arm and the fixed arm for supporting, cargo transportation can be achieved through the wheel moving device, a large amount of area is not occupied when the rotating arm and the fixed arm are folded together for folding, and folding and unfolding are convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view taken along line "A-A" in FIG. 3;
FIG. 5 is a schematic view of the structure of the present invention in a folded state;
Detailed Description
1-5, it should be understood by those skilled in the art that, in the present disclosure, the terms "upper," "lower," "upper wall," "lower wall," "right," "front," "rear," and the like are used for convenience in describing the present invention and simplifying the description, but do not denote or imply that the apparatus or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the above terms should not be construed as limiting the present invention. The embodiment is an adjustable portable commodity carrying device, which comprises a pair of fixing arms 100 and at least one pair of rotating arms 200 which are connected in series, wherein the rotating arms 200 are connected with the fixing arms in a rotating way, the rotating arms 200 can be folded together with the fixing arms 100, can be unfolded to form a certain angle with the fixing arms 100, the space is saved when the rotating arms 200 are folded together with the fixing arms 100, a certain angle is formed when the rotating arms are unfolded, the goods can be supported, and the goods box can be supported by placing the rotating arms 200 on the fixing arms 100.
When the rotating arm 200 is rotationally connected with the fixed arm 100, the rotating arm 200 can be connected in various connection modes, for example, a rotating shaft capable of being positioned is hinged together, and the rotating arm 200 can be hinged together through a hinge part, so long as folding and unfolding can be realized, the embodiment provides a connecting mechanism 400, the fixed arm 100 is rotationally connected with the rotating arm 200, the connecting mechanism 400 comprises a fixed block 410, a rotating block 420 and a limiting part 430, the fixed block 410 is fixedly connected with the fixed arm 100, the middle part of the fixed block 410 is provided with a rotating slot 411, the rotating block 420 is arranged in the fixed slot 411, the fixed slot 411 is provided with two slot walls, the rotating block 420 is limited to rotate within a certain angle, the limiting part 430 comprises a round lower end and a polygonal upper end, the embodiment takes a quadrilateral as an example, the rotating block 410 is provided with a second limiting slot 413 matched with the limiting part 430, namely, the upper end of the second limiting groove 413 is in a quadrilateral design and corresponds to the upper end of the limiting piece 430, the lower end of the second limiting groove is in a round design and corresponds to the lower end of the limiting piece 430, the fixed block 410 is provided with a first limiting groove 412 matched with the limiting piece 430, namely, the upper end of the first limiting groove 412 is in a quadrilateral design and corresponds to the upper end of the limiting piece 430, the upper end of the first limiting groove 412 penetrates through the upper wall of the fixed groove 411, the lower end of the first limiting groove 412 is in a round design and corresponds to the lower end of the limiting piece 430, the lower end of the first limiting groove 412 penetrates through the lower wall of the fixed groove 411, the limiting piece 430 is movably inserted into the first limiting groove 412 and the second limiting groove 413, when the fixed block is rotated, the polygonal upper end of the limiting piece 430 is pulled out from the upper end of the first limiting groove 412, the rotating block 420 can rotate, the rotating arm 200 is driven to rotate, when the fixed block is rotated to a required angle, the limiting piece 430 is pressed down, the polygonal designs of the first limiting groove 412, the second limiting groove 413 and the limiting piece 430 are penetrated, positioning is realized.
The fixed arm 100 and the rotating arm 200 may be non-telescopic single arms or telescopic arms, in this embodiment, the telescopic arms are taken as an example, the fixed arm 100 includes a support arm 110 and a telescopic arm 120, the fixed arm 110 is provided with a sliding groove 111, the telescopic arm 120 is slidably disposed in the sliding groove 111, that is, the sliding arm 111 can slide, the rotating arm 200 may also include a corresponding support arm 210 and a corresponding telescopic arm 220, and the telescopic arm 220 slides through the support arm 210 to realize telescopic operation, so that different sizes of articles can be transported, and meanwhile, the telescopic fixed arm 100 or the rotating arm 200 can be more easily folded and unfolded.
The sliding groove 111 may be in various forms such as a square sliding groove, a circular sliding groove, a dovetail groove; in this embodiment, a dovetail groove is taken as an example for illustration, a sawtooth rack 112 is provided at the bottom of the dovetail groove, a rotating groove 121 is provided at the bottom of the telescopic arm 120, the rotating groove 121 is connected with a driving lever 130 through a rotating shaft in a rotating way, a protruding tooth 131 is provided at the bottom of the driving lever 130, the tooth 131 is matched with the sawtooth rack 112, the driving lever 130 is connected with the telescopic arm through an elastic restoring member 150, a torsion spring is taken as an illustration here, the torsion spring is sleeved on the rotating shaft, the driving lever is supported by the torsion spring under normal conditions, the driving lever enables the tooth 131 to be contacted with the sawtooth rack 112, namely, meshed, so that the telescopic arm 120 is prevented from sliding, when the driving lever 130 is required to be folded, the driving lever 130 rotates, the tooth 131 is separated from the sawtooth rack 112, and the telescopic arm 120 can be freely slid, and the folding is convenient.
The rotating arm 200 and the fixed arm 100 may be further connected with a limiting arm 500, the limiting arm 500 is rotatably connected with the fixed arm 100 or the rotating arm 200, and the limiting arm 500 may be folded onto the corresponding rotating arm 200 or the fixed arm 100, or may be unfolded to form a certain angle with the rotating arm 200 or the fixed arm 100 to limit the transported article, the specific connection mode is multiple, provided in this embodiment, but not limited to this mode, the fixed arm 100 is connected with a second rotating block 140, the second rotating block 140 is provided with a second rotating groove 141, the second rotating block 140 is disposed in the second rotating groove 141 and is connected with the fixed arm 100 through a special-shaped rotating shaft 510, the special-shaped rotating shaft 510 includes a circular end and a polygonal end, in the figure, the second rotating groove 141 is provided with a first special-shaped groove 142 matched with the special-shaped rotating shaft 510, i.e. one end of the second rotating groove 141 is a quadrilateral matched with one end of the special-shaped rotating shaft 510, and penetrates through the side wall of the second rotating groove 141, the other end is a circular groove 141 matched with the special-shaped rotating shaft 510, and penetrates through the side wall of the second rotating groove 141, the special-shaped rotating arm 500 is provided with a first special-shaped rotating shaft 510, i.e. when the first rotating groove 540 is matched with the first rotating shaft 510 is pulled out of the special-shaped rotating shaft 510, and the first rotating groove 510 is required to be pulled out of the special-shaped rotating shaft 510, and the special-shaped rotating arm is folded, and the special-shaped rotating shaft is required to be folded to be matched with the first rotating shaft 510, and the special-shaped rotating shaft is a first end 510; when the special-shaped rotating shaft 510 is required to be opened, the special-shaped rotating shaft 510 is pulled out from one quadrilateral end of the second special-shaped groove, and the limiting arm 500 is rotated to open the limiting arm 500; a vertical notch can be further formed at the contact position of the limiting arm 500 and the second rotating groove 141, and a second limiting block matched with the vertical notch is arranged at the second rotating groove 141, so that when the limiting arm 500 rotates to be vertical to the fixed arm 100, the second limiting block supports the vertical notch, and vertical limiting of the limiting arm 500 is realized; meanwhile, a corresponding second rotating block 240 can be arranged on the rotating arm 200, and a second rotating groove 241 is arranged on the second rotating block 240, so that the corresponding connection between the limiting arm 500 and the rotating arm 200 is realized.
The limiting arm 500 may be fixed and not telescopic, or may be telescopic, in this embodiment, take a telescopic arm as an example, and provide a specific implementation manner of a telescopic arm, the limiting arm 500 includes a first sub-limiting arm 520 and a second sub-limiting arm 530, the first sub-limiting arm 520 is provided with a telescopic slot 521 with an open upper end, the second sub-limiting arm 530 is disposed in the telescopic slot 521, and can slide in the telescopic slot 521, the second sub-limiting arm 530 is provided with a second fixing slot 531 penetrating through a side wall, the second fixing slot 531 is disposed along an arm length direction of the second sub-limiting arm 530, and is slidably connected with the first sub-limiting arm 520 through a fixing piece 600, that is, when the second sub-limiting arm 530 slides to a certain position in the telescopic slot 521, the second sub-limiting arm 530 can be fixed through the fixing piece 600, and an implementation manner of a fixing piece is disclosed in the figure, and is a screw and a nut, the screw can rotate to pass through the first sub-limiting arm 520, and the second fixing slot 531, the first sub-limiting arm 520 is provided with a second fixing hole matched with the corresponding position, and the second sub-limiting arm 530 can be placed in a mounting hole can be opened, and the second nut can be loosened through the second nut, and the second nut can be folded, and the limiting arm can be folded, and the second limiting arm can be folded.
The upper end of the limiting arm 500 may be further provided with a limiting member 700 for limiting the cargo, so as to avoid shaking of the cargo, or sliding of the cargo from the upper end, and this embodiment provides an implementation manner of the limiting member, wherein the limiting member 700 includes a first auxiliary limiting member 710 and a second auxiliary limiting member 720, the second auxiliary limiting member 720 is connected with one end of the first auxiliary limiting member 710, the upper end of the limiting arm 500 is connected with the rotating member 800, the rotating member 800 is connected with the limiting member 700 through the rotating member 800, the rotating member 800 includes a first rotating column 810 and a second rotating column 820, the second rotating column 820 is disposed at the upper end of the first rotating column 810 and fixedly connected therewith, the diameter of the second rotating column 820 is larger than that of the first rotating column 810, the second auxiliary limiting member 720 is provided with a rotating groove 721 matched with the limiting member 700, that is, the rotating groove 721 includes a first sub-rotating groove and a second sub-rotating groove, the first sub-rotating groove is matched with the first rotating column 810, the second rotating slot is matched with the second rotating post 820, the first rotating slot is arranged at the lower end of the second rotating slot, when in use, the first rotating post 810 is arranged in the first rotating slot, the second rotating post 820 is arranged in the second rotating slot, the limiting piece 700 can rotate, the upper end of the second rotating post 820 is provided with a first placing slot, the top wall of the second rotating slot is provided with a second placing slot, a spring is placed in the first placing slot, the upper end of the spring is contacted with the top wall of the second placing slot, the spring is in a compression state in general, the height of the second rotating slot is higher than that of the second rotating post 820, the height of the first rotating slot is smaller than that of the first rotating post 810, one side of the rotating slot is provided with a mounting slot, the mounting slot is matched with a limiting piece, the first and second mounting slots respectively matched with the first rotating post 810 and the second rotating post 820 are also included, the mounting groove runs through the locating part 700 lateral wall, it is that the spring divides the state of compressing tightly under the normal condition, this moment second column 820 lower extreme and second standing groove bottom contact, the position setting of second sub-mounting groove is on this moment second column position, the second sub-column 820 lateral wall is spacing to second column 820, avoided second column 820 to slide along the second sub-column, avoided rotating part 800 to slide out along the mounting groove, it is to be noted that the mounting groove is only slightly bigger than rotating part 800, first sub-mounting groove is slightly bigger than first column 810 promptly, the second sub-mounting groove is slightly bigger than second column 820, during the use, carry out spacingly through locating part 700 to the top of article, specifically through first pair of locating part 710 to card main article upper portion, play the effect of avoiding the landing, during the simultaneous unloading, rotate first pair of locating part 700, rotate first pair of locating part 710 to the outside, avoid article to be difficult to lift down.
The third spacing groove 122 has been seted up to flexible arm 120 lateral wall, and support arm 110 lateral wall is provided with and third spacing groove 122 complex locating part 113, and locating part 113 inner sets up in third spacing groove 122, and when flexible arm 120 pulled out certain distance, locating part 113 is spacing to flexible arm 120, avoids the flexible arm to pull out too much, leads to pulling out from support arm 110.
The wheel 300 can be rotationally connected with the fixed arm 100 or the rotating arm 200, and also can be fixedly connected, wherein the rotationally connected means that the wheel 300 can rotate around a vertical shaft, so that the movement direction of the wheel can be controlled, in the embodiment, the wheel 300 connected with the lower end of the rotating arm 200 is rotationally connected with the rotating arm 200, the specific connection mode is that the upper end of the rotating wheel 310 is connected with the rotating rod 320, the rotating rod 320 is provided with a circular rotating disc 330, the side edge of the circular rotating disc 330 is provided with a notch 331, the position of the rotating arm 200 opposite to the wheel 310 is provided with a rotating groove 250, the rotating groove 250 comprises a first sub rotating groove, a second sub rotating groove and a third sub rotating groove, the first sub rotating groove is matched with the upper end of the rotating rod 320, the second sub rotating groove is matched with the rotating disc 330, the third sub rotating groove is matched with the lower end of the rotating rod 320, the rotating rod 320 is rotationally arranged in the rotating groove 250, the positioning groove 260 penetrates through the rotating groove 250, and the positioning pin 270 is arranged in the positioning groove, the positioning pin 270 is matched with the notch 331, and when the notch 331 on the rotating disc 330 rotates to the position of the positioning groove 260, the positioning pin 270 is inserted into the position of the positioning groove 270, so that the positioning pin 270 can not contact with the rotating disc 310; the embodiment is further improved, the outer end of the positioning pin 270 is provided with a width larger than the width of the inner end, and the positioning groove 260 is designed to be matched with the positioning pin, so that when the rotating wheel needs to be rotated, only part of the positioning pin 260 needs to be pulled out, the positioning pin 270 is prevented from being lost, and when the rotating rod 320 is connected with the rotating wheel 310, the rotating rod 320 is connected with a mounting plate on the rotating wheel 310 instead of being directly connected with the wheel; in order to facilitate the installation of the rotating rod 320 and the rotating disc 330, the rotating block may be connected to the rotating arm 200, and the rotating block includes a first sub-rotating block and a second sub-rotating block, where the first sub-rotating block is provided with a special-shaped sliding groove matched with the rotating rod and the rotating disc, the second sub-rotating block may slide in the special-shaped sliding groove, and when the second sub-rotating block slides with the first sub-rotating block, the rotating block is just provided with the rotating groove 250, so that the rotating rod 320 and the rotating disc 330 are convenient to install, and only slide in from the special-shaped sliding groove, and then the first sub-rotating block and the second sub-rotating block slide together, so that the installation may be completed, and meanwhile, the rotating wheel 310 may be a motor wheel, so that the motor wheel may be directly purchased in the market.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (4)
1. An adjustable portable commodity carrying device comprises a wheel (300), and is characterized by further comprising a pair of fixed arms (100) and at least one pair of rotating arms (200) which are connected in series, wherein the rotating arms (200) are rotationally connected with the fixed arms (100), the rotating arms (200) can be folded together with the fixed arms (100) or can be unfolded to form a certain angle with the fixed arms (100), and the wheel (300) is respectively arranged at the bottoms of the rotating arms (200) and the fixed arms (100); the rotating arm (200) is rotationally connected with the fixed arm (100) through a connecting mechanism (400), the connecting mechanism (400) comprises a fixed block (410) connected with the fixed arm (100), a rotating block (420) connected with the rotating arm (200) and a first limiting piece (430), the fixed block (410) is provided with a fixed slot (411), the rotating block (420) is rotationally arranged in the fixed slot (411), the first limiting piece (430) comprises a circular lower end (431) and a polygonal upper end (432), the fixed block (410) is provided with a first limiting slot (412) penetrating through the fixed block (410) and matched with the first limiting piece (430), the rotating block (420) is provided with a second limiting slot (413) matched with the first limiting piece (430), and the first limiting piece (430) can be pulled and arranged in the first limiting slot (412) and the second limiting slot (413). The fixed arm (100) and the rotating arm (200) both comprise a supporting arm (110; 210) and a telescopic arm (120; 220), the supporting arm (110; 210) is provided with a sliding groove (111; 211) matched with the telescopic arm (120; 220), and the telescopic arm (120; 220) is slidably sleeved in the sliding groove (111; 211); the sliding groove (111; 211) is a dovetail groove with an opening at the upper part, a sawtooth rack (112; 212) is arranged at the bottom of the sliding groove (111; 211), a rotating groove (121) is formed in the bottom wall of the telescopic arm (120), the rotating groove (121) is connected with a deflector rod (130) through a rotating shaft, a tooth (131) matched with the rack is arranged at the bottom of the deflector rod (130), the deflector rod (130) is connected with the telescopic arm (120) through an elastic return piece (150), the tooth (131) is meshed with the sawtooth rack (112) when the elastic return piece is in a normal state, and the sawtooth rack (112) is separated from the tooth (131) when the deflector rod rotates; the device further comprises a limiting arm (500), wherein the rotating arm (200) and the fixed arm (100) are connected with the limiting arm (500), and the limiting arm (500) can be folded onto the rotating arm (200) or the fixed arm (100); the fixed arm (100) and the rotating arm (200) are connected with a second rotating block (140; 240), the second rotating block (140; 240) is provided with a second rotating groove (141; 241), the limiting arm (500) and the second rotating block (140; 240) are connected through a special-shaped rotating shaft (510), one end of the special-shaped rotating shaft (510) is a polygon, the second rotating block (140) is provided with a first special-shaped groove (142) matched with the special-shaped rotating shaft (510), the limiting arm (500) is provided with a second special-shaped groove (540) matched with the special-shaped rotating shaft (510), and the special-shaped rotating shaft (510) can be arranged in the first special-shaped groove (142) and the second special-shaped groove (540) in a drawing mode. The side wall of the telescopic arm (120) is provided with a third limiting groove (122), the side wall of the supporting arm (110) is provided with a third limiting piece (113) matched with the third limiting groove (122), the inner end of the third limiting piece (113) is arranged in the third limiting groove (122), and when the telescopic arm (120) is pulled out a certain distance, the third limiting piece (113) limits the telescopic arm (120).
2. The adjustable portable commodity carrying device according to claim 1, wherein the limiting arm (500) comprises a first sub-limiting arm (520) and a second sub-limiting arm (530), the second sub-limiting arm (530) is slidably disposed in the first sub-limiting arm (520) through a telescopic slot (521) formed in the first sub-limiting arm (520), the second sub-limiting arm (530) is formed with a second fixing slot (531) therethrough, and the second sub-limiting arm (530) can fix the second sub-limiting arm (530) through a fixing member (600) when the second sub-limiting arm (530) slides to a certain position in the telescopic slot (521).
3. The adjustable portable commodity carrying device according to claim 2, further comprising a second limiting member (700), wherein the second limiting member (700) comprises a first auxiliary limiting member (710) and a second auxiliary limiting member (720) connected to one end of the first auxiliary limiting member (710), the upper end of the limiting arm (500) is provided with a rotating member (800), the rotating member (800) comprises a first rotating post (810) and a second rotating post (820), the diameter of the second rotating post (820) is larger than that of the first rotating post (810) and is arranged at the upper end of the first rotating post (810), the second auxiliary limiting member (720) is provided with a third rotating groove (721) matched with the rotating member (800), the rotating member (800) is arranged in the third rotating groove (721), and the second limiting member (700) can rotate around the rotating member (800).
4. The adjustable portable commodity carrying device according to claim 1, wherein at least one of the wheels (300) is a rotating wheel (310), the upper end of the rotating wheel (310) is connected with a rotating rod (320), a circular rotating disc (330) is arranged on the rotating rod (320), a notch (331) is arranged on the side edge of the circular rotating disc (330), a rotating groove (250) and a positioning groove (260) are arranged at the opposite position of the fixed arm (100) or the rotating arm (200) and the rotating wheel (310), the rotating groove (250) is matched with the rotating rod (320) and the rotating disc (330), the rotating rod (320) and the rotating disc (330) are rotatably arranged in the rotating groove (250), the positioning groove (260) penetrates through the rotating groove (250), a positioning pin (270) is arranged in the positioning groove (260), the positioning pin (270) is matched with the notch (331), and the positioning pin (270) can not rotate when the positioning pin (270) is in contact with the rotating wheel (310).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910000853.8A CN109466608B (en) | 2019-01-02 | 2019-01-02 | Adjustable portable commodity carrying device |
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|---|---|---|---|
| CN201910000853.8A CN109466608B (en) | 2019-01-02 | 2019-01-02 | Adjustable portable commodity carrying device |
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| CN109466608B true CN109466608B (en) | 2024-04-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110125706B (en) * | 2019-06-24 | 2020-08-28 | 赣州基盛精密机械有限公司 | Fixing device is used in processing of car dysmorphism worker accessory |
| CN114162195A (en) * | 2022-01-17 | 2022-03-11 | 滨州职业学院 | Sport equipment transports frame |
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| CN109466608A (en) | 2019-03-15 |
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