CN111791930B - Front gear reset mechanism of handcart and handcart - Google Patents
Front gear reset mechanism of handcart and handcart Download PDFInfo
- Publication number
- CN111791930B CN111791930B CN202010821474.8A CN202010821474A CN111791930B CN 111791930 B CN111791930 B CN 111791930B CN 202010821474 A CN202010821474 A CN 202010821474A CN 111791930 B CN111791930 B CN 111791930B
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- handcart
- reset
- mounting cylinder
- connecting piece
- chassis
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 20
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 20
- 241001330002 Bambuseae Species 0.000 claims description 20
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 20
- 239000011425 bamboo Substances 0.000 claims description 20
- 230000000670 limiting effect Effects 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 32
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000221535 Pucciniales Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 240000004282 Grewia occidentalis Species 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The application relates to a front gear reset mechanism of a handcart and a handcart relates to the handcart field to solve the problem that the use that common reset torsion spring exposes the installation and lead to experiences poor, this front gear reset mechanism of a handcart includes a mounting cylinder, elasticity reset assembly and connecting piece, mounting cylinder fixed mounting is in the chassis front end of handcart, elasticity reset assembly locates in the mounting cylinder, the connecting piece be provided with two and connect respectively in elasticity reset assembly's both ends, just the connecting piece rotate connect in mounting cylinder's tip, the axis of rotation of connecting piece with mutual parallel or coincidence between the axis of rotation of mounting cylinder, the connecting piece is kept away from elasticity reset assembly's tip and front gear bottom fixed connection of a handcart. The application has the effects of firm and compact structure, optimized use experience of the handcart and improved integral appearance of the handcart.
Description
Technical Field
The application relates to the field of trolleys, in particular to a front gear reset mechanism of a trolley and the trolley.
Background
The trolley is a manually pushed and pulled carrying vehicle and is widely applied to supermarkets, airports and other places. At present, the front end part of the chassis of a part of the handcart is hinged with a front baffle, and the front baffle is used for preventing objects stacked on the chassis from sliding off. In order to ensure that the front baffle can automatically reset and keep a vertical state, a reset torsion spring is usually arranged between the bottom of the front baffle and the front end part of the chassis, and the reset torsion springs are all arranged in an exposed mode.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: since the articles stacked on the chassis of the handcart are generally products such as backpacks and plastic bags, the plastic bags are very easy to be punctured by the exposed and the belts on the backpacks are also very easy to be rolled into the exposed and installed reset springs, the use experience is very poor, and therefore, the improvement is needed.
Disclosure of Invention
In order to solve the problem that the use experience that common reset torsion spring exposes the installation and leads to is poor, this application provides a handcart front fender canceling release mechanical system and handcart.
In a first aspect, the present application provides a front gear reset mechanism of a cart, which adopts the following technical scheme:
the utility model provides a front gear reset mechanism of handcart, includes installation section of thick bamboo, elasticity reset assembly and connecting piece, installation section of thick bamboo fixed mounting is in the chassis front end portion of handcart, elasticity reset assembly locates in the installation section of thick bamboo, the connecting piece be provided with two and connect respectively in elasticity reset assembly's both ends, just the connecting piece rotate connect in installation section of thick bamboo's tip, the axis of rotation of connecting piece with be parallel to each other or coincide between the axis of rotation of installation section of thick bamboo, the connecting piece is kept away from elasticity reset assembly's tip and front gear bottom fixed connection of handcart.
Through adopting above-mentioned technical scheme, under the elastic restoring force effect of elasticity reset assembly, drive the connecting piece and rotate for the installation section of thick bamboo to the purpose that the front fender piece of order about the handcart resets is realized. The installation cylinder is added, the installation position is provided for the elastic resetting assembly, the installation cylinder wraps the whole elastic resetting assembly, the structure is firmer and more compact, the overall appearance of the handcart is improved, the installation cylinder also has a protection effect on the elastic resetting assembly, and therefore the elastic resetting assembly is not easy to rust when meeting water, and the service life is longer. The most important is: the elastic resetting component is not exposed any more, the plastic bag is not easy to puncture, the belt on the knapsack is not easy to roll into the elastic resetting component, and the use experience of a user is better.
Preferably, the elastic reset assembly comprises a fixed block and two reset springs, the fixed shaft is fixedly connected to the middle part of the mounting cylinder, the two reset springs are respectively located on two sides of the fixed shaft, and two ends of each reset spring are respectively connected to one end of the fixed shaft and one end of the connecting shaft.
Through adopting above-mentioned technical scheme, above-mentioned structural design's elasticity reset assembly, simple structure is compact, can just install in the narrow and small space in the installation section of thick bamboo, and the preparation is convenient, and two reset springs are stronger for single reset spring in addition, and its elastic restoring force, and above-mentioned design is symmetrical structure still, is favorable to stably driving the connecting piece rotatory and the front fender piece of handcart to reset.
Preferably, the two ends of the fixed shaft are provided with first clamping columns, the first clamping columns are provided with first clamping grooves, the end parts, close to the first clamping columns, of the reset springs are provided with first inner hooks, the first clamping columns are inserted into the reset springs, and the first inner hooks are clamped into the first clamping grooves.
By adopting the technical scheme, a stable clamping position is provided for the first inner hook by adding the first clamping column and the first clamping groove, the first clamping column is inserted into the reset spring, the reset spring has a blocking and limiting effect on the first clamping column, and the first clamping column is clamped into the first clamping groove by matching with the first inner hook, so that the fixed shaft and the reset spring are firmly connected; the first inner hook is bent towards the inner part of the reset spring, so that the reset spring can be smoothly plugged into the mounting cylinder, the structure is also in a detachable assembly design, and spare and accessory parts can be conveniently replaced in the later period.
Preferably, the fixing shaft is fixedly connected with the mounting cylinder through a fixing bolt, a first threaded hole which is assembled with the fixing bolt in a threaded manner is formed in the fixing shaft, and a through hole through which the fixing bolt passes is formed in the mounting cylinder.
Through adopting above-mentioned technical scheme, at the in-process of installation fixed axle, need pack into the installation section of thick bamboo with the fixed axle earlier in, if both adopt welded mode fixed, need carry out welding operation in the narrow and small space in the installation section of thick bamboo, it is very inconvenient, so adopt fixing bolt to lock fixed axle, installation section of thick bamboo, not only sound construction, the installation is dismantled all more conveniently moreover.
Preferably, the connector comprises a connecting shaft and a locking bolt,
the end part of the connecting shaft, which is close to the reset spring, is provided with a second clamping column, a second clamping groove is formed in the second clamping column, the end part of the reset spring, which is close to the second clamping column, is provided with a second inner hook, the second clamping column is inserted into the reset spring, and the second inner hook is clamped into the second clamping groove;
the connecting shaft is far away from the end part of the second clamping column is provided with a second threaded hole, and the locking bolt penetrates through the bottom of the front baffle of the trolley and is assembled in the second threaded hole in a threaded mode.
By adopting the technical scheme, after the locking bolt passes through the bottom of the front baffle of the handcart, the cap part of the locking bolt is matched with the connecting shaft, so that the bottom of the front baffle of the handcart can be clamped and fixed, and the connecting structure is firm and convenient to install and detach; the second clamping column and the second clamping groove are added to provide a stable clamping position for the second inner hook, the second clamping column is inserted into the reset spring, the reset spring has a blocking and limiting effect on the second clamping column, and the second clamping column is matched with the second inner hook to be clamped into the second clamping groove, so that the connecting shaft and the reset spring are firmly connected; the second inner hook is bent towards the inner part of the reset spring, so that the reset spring can be smoothly plugged into the mounting cylinder, the structure is also in a detachable assembly design, and spare and accessory parts can be conveniently replaced in the later period.
Preferably, the connecting shaft comprises a conical table section and a cylindrical section, the conical table section and the cylindrical section are integrally formed, the cylindrical section partially or completely stretches into the mounting cylinder, the conical table section is positioned outside the mounting cylinder, and the second threaded hole is formed in the conical table section.
Through adopting above-mentioned technical scheme, cylinder section and installation section of thick bamboo mutually support, make things convenient for the connecting axle to rotate steadily, and the circular cone bench section can make the connecting block stretch out the part of installation section of thick bamboo more slick and sly to when placing article on the chassis, circular cone bench section is difficult for making article damaged, and use experience is better.
Preferably, a notch is formed in one end, far away from the cylindrical section, of the conical table section, and the shape of the notch is matched with the shape of the bottom of the front baffle of the trolley.
Through adopting above-mentioned technical scheme, the front fender bottom of handcart generally is formed by rectangular pipe or circular tube, so the breach of seting up at the circular cone bench section, laminating rectangular pipe or circular tube that can be better, the area of contact of circular cone bench section and front fender bottom of handcart is bigger to locking bolt and circular cone bench section mutually support, can be more firm press from both sides the front fender bottom of handcart tightly.
Preferably, the front gear resetting mechanism of the trolley further comprises a mounting seat, the mounting seat comprises a mounting plate and a fixing ring, the fixing rings are arranged vertically at intervals, the mounting cylinder penetrates through all the fixing rings and are fixedly connected with the fixing rings, the fixing rings are fixed on the upper surface of the mounting plate, and the mounting plate is fixed on the front end part of the chassis of the trolley.
Through adopting above-mentioned technical scheme, above-mentioned structural design's mount pad, simple structure, firm, the preparation is more convenient with the installation, and the cost of manufacture is also lower, can firmly fix the installation section of thick bamboo through solid fixed ring moreover, effectively prevents that the installation section of thick bamboo from rocking.
Preferably, the mounting panel is located the position department of connecting piece below is provided with dodges the hole, dodge the hole and be used for providing the rotation space for the front fender bottom of the handcart when rotating, still fixed mounting has the limiting plate on the mounting panel, the limiting plate is located dodge hole one side towards the chassis rear end portion, the limiting plate is used for separating front fender bottom in order to ensure that the front fender of handcart keeps vertical.
Through adopting above-mentioned technical scheme, in the in-process that the handcart front fender reset, the handcart front fender can rotate under the drive of elasticity reset assembly, so the limiting plate that increases can separate the fender spacing to handcart front fender bottom to prevent that the handcart front fender from continuing to rotate, thereby the handcart front fender can keep vertical state; in order to ensure that the bottom of the front baffle of the trolley can be matched with the limiting plate for blocking, the bottom of the front baffle of the trolley is designed to be slightly longer, so that an avoidance hole is required to be formed in the mounting plate, and a rotation space is provided for the rotation of the bottom of the front baffle of the trolley; the additionally arranged limiting plates are matched with the avoidance holes, so that the use experience of the handcart is further optimized.
In a second aspect, the present application provides a cart, which adopts the following technical scheme:
the handcart comprises a chassis, wheels, an upright post, a handle, a front baffle piece and the front baffle reset mechanism of the handcart, wherein the front baffle reset mechanism of the handcart is arranged between the front end part of the chassis and the bottom of the front baffle piece, the upright post is fixed on the rear end part of the chassis, the handle is arranged at the top of the upright post, and the wheels are arranged at the bottom of the upright post and/or the bottom of the chassis.
By adopting the technical scheme, on the basis that the front gear resetting mechanism of the handcart has the advantages, the handcart also has the advantages, namely: the installation section of thick bamboo is lived whole elasticity subassembly parcel that resets, and not only the structure is firm more compact, promotes the whole outward appearance of handcart, and the installation section of thick bamboo still has the guard action to elasticity subassembly that resets moreover to elasticity subassembly that resets is difficult for meeting water and rusts, and life is longer, and user's use experience is better. And the handcart with the structural design has firm structure and better quality, and the front baffle can prevent articles stacked on the chassis from sliding off.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the installation cylinder is added, an installation position is provided for the elastic resetting assembly, the installation cylinder wraps the whole elastic resetting assembly, the structure is firmer and more compact, the installation cylinder also has a protection function on the elastic resetting assembly, the elastic resetting assembly is not exposed any more, the plastic bag is not easy to puncture, the belt on the knapsack is not easy to roll into the elastic resetting assembly, and the use experience of a user is better;
2. the first clamping column and the second clamping column are inserted into the reset spring, the reset spring has a blocking and limiting effect on the first clamping column and the second clamping column, and then the reset spring is matched with the first inner hook to be clamped into the first clamping groove and the second inner hook to be clamped into the second clamping groove, so that firm connection between the reset spring and the fixed shaft and firm connection between the reset spring and the reset shaft are facilitated;
3. the first inner hook and the second inner hook are bent towards the inner part of the reset spring, so that the reset spring can be smoothly plugged into the mounting cylinder.
Drawings
Fig. 1 is a schematic structural view of a cart according to an embodiment of the present application.
Fig. 2 is an exploded view of a front rail reset mechanism of a cart according to an embodiment of the present application.
Fig. 3 is a schematic structural view of a front gear resetting mechanism of a cart according to an embodiment of the present application.
Reference numerals illustrate: 101. a chassis; 102. a wheel; 103. a column; 104. a handle; 105. a front baffle; 106. front gear resetting mechanism of hand cart; 1. a mounting cylinder; 2. an elastic reset assembly; 21. a fixed shaft; 211. a first clamping column; 212. a first clamping groove; 213. a first threaded hole; 22. a return spring; 221. a first inner hook; 222. a second inner hook; 3. a connecting piece; 31. a connecting shaft; 311. a second clamping column; 312. a second clamping groove; 313. a second threaded hole; 314. conical table sections; 3141. a notch; 315. a cylindrical section; 32. a locking bolt; 4. a fixing bolt; 5. a mounting base; 51. a mounting plate; 511. avoidance holes; 52. a fixing ring; 53. and a limiting plate.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
At present, the front end part of the chassis of a part of the handcart is hinged with a front baffle, and the front baffle is used for preventing objects stacked on the chassis from sliding off. In order to ensure that the front baffle can automatically reset and keep a vertical state, a reset torsion spring is usually arranged between the bottom of the front baffle and the front end part of the chassis, and the reset torsion springs are all arranged in an exposed mode. Since the articles stacked on the chassis of the handcart are generally products such as backpacks and plastic bags, the plastic bags are very easy to be punctured by the exposed and the belts on the backpacks are also very easy to be rolled into the exposed and installed reset springs, the use experience is very poor, and therefore, the improvement is needed.
The embodiment of the application discloses a front gear reset mechanism of a handcart. Referring to fig. 1 and 2, the front rail reset mechanism of the cart includes a mounting cylinder 1, an elastic reset assembly 2, a connecting member 3, a fixing bolt 4 and a mounting seat 5, and both the mounting cylinder 1 and the connecting member 3 are made of stainless steel materials.
The mounting cylinder 1 is fixedly mounted on the front end part of the chassis 101 of the handcart through the mounting seat 5, the elastic reset component 2 is arranged in the mounting cylinder 1, the connecting pieces 3 are provided with two ends which are respectively connected with the elastic reset component 2, the connecting pieces 3 are rotationally connected with the end parts of the mounting cylinder 1, the rotation axes of the connecting pieces 3 and the mounting cylinder 1 are mutually overlapped (are also mutually parallel in other embodiments), and the end parts of the connecting pieces 3 far away from the elastic reset component 2 are fixedly connected with the bottom of the front baffle 105 of the handcart.
The mounting seat 5 comprises a mounting plate 51 and fixing rings 52, the fixing rings 52 are arranged vertically at intervals, the mounting cylinder 1 penetrates through all the fixing rings 52 and is fixedly welded with the fixing rings 52, the fixing rings 52 are fixedly welded on the upper surface of the mounting plate 51, and the mounting plate 51 is fixed on the front end part of the chassis 101 of the handcart through a plurality of groups of bolts and nuts. The mounting plate 51 and the fixing ring 52 are made of stainless steel, and the mounting plate 51 is rectangular and is subjected to four-corner chamfering.
The mounting plate 51 is provided with dodging hole 511 (refer to fig. 2 and 3) in the position below the connecting piece 3, dodging hole 511 is used for providing a rotation space when the bottom of the front baffle 105 of the handcart is rotated, dodging hole 511 is rectangular, limiting plate 53 is fixedly mounted on the mounting plate 51 through bolts, limiting plate 53 is located on one side of the back end of the dodging hole 511 towards the chassis 101, and limiting plate 53 is used for blocking the bottom of the front baffle 105 of the handcart to ensure that the front baffle 105 of the handcart is kept vertical. The limiting plate 53 is also made of stainless steel plates, the bottom of the front baffle 105 of the trolley is in a round rod shape, an arc-shaped groove is formed in one side, facing the avoidance hole 511, of the limiting plate 53, and the arc-shaped groove is attached to the bottom of the front baffle 105 of the trolley, so that the limiting plate 53 is more beneficial to stably isolating the bottom of the front baffle 105 of the trolley.
The elastic reset assembly 2 comprises a fixed shaft 21 and two reset springs 22, wherein the fixed shaft 21 is fixedly connected to the middle part of the mounting cylinder 1, the two reset springs 22 are respectively positioned on two sides of the fixed shaft 21, and two ends of the reset springs 22 are respectively connected to one end of the fixed shaft 21 and one end of the connecting piece 3. The return spring 22 is specifically a stainless steel strong spring, and the fixed shaft 21 can be made of stainless steel or carbon steel or cast iron.
The both ends of fixed axle 21 all are provided with first card post 211, and first card post 211 is cylindrical, has seted up first draw-in groove 212 on the first card post 211, and return spring 22 is provided with first interior crotch 221 near the tip of first card post 211, and return spring 22's internal diameter just is a bit bigger than the external diameter of first card post 211, and in the return spring 22 was inserted to first card post 211, and in first interior crotch 221 blocked first draw-in groove 212.
The fixing shaft 21 is fixedly connected with the mounting cylinder 1 through a fixing bolt 4, a first threaded hole 213 in threaded fit with the fixing bolt 4 is formed in the fixing shaft 21, and a through hole through which the fixing bolt 4 passes is formed in the mounting cylinder 1 (in fig. 2 and 3, the through hole is formed in the bottom of the mounting cylinder 1, and the through hole is not specifically identified due to shielding of a visual angle). The mounting plate 51 has a mounting through hole at the center thereof, through which a screwdriver can be passed when the fixing bolt 4 needs to be screwed, so as to facilitate assembling and disassembling the fixing bolt 4.
The connecting piece 3 comprises a connecting shaft 31 and a locking bolt 32, a second clamping column 311 is arranged at the end part of the connecting shaft 31, which is close to the return spring 22, the second clamping column 311 is in a cylindrical shape, a second clamping groove 312 is formed in the second clamping column 311, a second inner hook 222 is arranged at the end part of the return spring 22, which is close to the second clamping column 311, the inner diameter of the return spring 22 is just slightly larger than the outer diameter of the second clamping column 311, the second clamping column 311 is inserted into the return spring 22, and the second inner hook 222 is clamped into the second clamping groove 312; the end of the connecting shaft 31 far away from the second clamping post 311 is provided with a second threaded hole 313, and the locking bolt 32 passes through the bottom of the front baffle 105 of the trolley and is then assembled in the second threaded hole 313 in a threaded manner.
The connecting shaft 31 comprises a conical table section 314 and a cylindrical section 315, the conical table section 314 and the cylindrical section 315 are integrally formed, the cylindrical section 315 partially or completely stretches into the mounting cylinder 1, the conical table section 314 is positioned outside the mounting cylinder 1, and the second threaded hole 313 is formed in the conical table section 314.
The end of the conical table section 314 away from the cylindrical section 315 is provided with a notch 3141, the shape of the notch 3141 is adapted to the shape of the bottom of the front block 105 of the trolley, in this embodiment, since the bottom of the front block 105 of the trolley is in the shape of a round rod, the notch 3141 is also designed in the shape of an arc, and in other embodiments, the notch 3141 is also designed in the shape of a rectangle or other shapes.
In this embodiment, the outer diameter of the cylindrical section 315, the outer diameter of the return spring 22, the outer diameter of the stationary shaft 21 and the inner diameter of the mounting cylinder 1 are matched and clearance fit.
The implementation principle of the front gear reset mechanism of the trolley is as follows: under the action of the elastic restoring force of the elastic restoring component 2, the connecting piece 3 is driven to rotate relative to the mounting cylinder 1, so that the aim of driving the front baffle 105 of the trolley to restore is fulfilled. The installation section of thick bamboo 1 has been increased, for elasticity reset assembly 2 provides the mounted position, and installation section of thick bamboo 1 is lived whole elasticity reset assembly 2 parcel, and not only the structure is firm more compact, promotes the whole outward appearance of handcart, and installation section of thick bamboo 1 still has the guard action to elasticity reset assembly 2 moreover to elasticity reset assembly 2 is difficult for meeting water and rusts, and life is longer. The most important is: the elastic resetting assembly 2 is not exposed any more, the plastic bag is not easy to puncture, the belt on the knapsack is not easy to roll into the elastic resetting assembly 2, and the use experience of a user is better.
The embodiment of the application also discloses a handcart. Referring to fig. 1 and 2, the cart includes chassis 101, wheels 102, upright 103, handle 104, front fender 105 and as above-mentioned cart front fender canceling release mechanical system 106, cart front fender canceling release mechanical system 106 locates between the bottom of front end and front fender 105 of chassis 101, and upright 103 is fixed in the rear end of chassis 101, and upright 103 is provided with two, and handle 104 level arrangement, and the both ends of handle 104 are connected at the top of two uprights 103 respectively, and wheels 102 are provided with four, and wherein two wheels 102 are specifically universal wheels and install in the bottom front end of chassis 101, and two other wheels 102 are specifically ordinary rubber wheels and install in the bottom of upright 103. The chassis 101 is specifically divided into an upper layer structure and a lower layer structure, an included angle of 8-15 degrees is formed between the upper layer structure and the lower layer structure, the lower layer structure is arranged horizontally or in a depression angle from back to front, the upper layer structure is arranged in an elevation angle from back to front, and the front baffle reset mechanism 106 of the trolley is specifically arranged at the front end of the upper layer structure located on the chassis 101.
The implementation principle of the handcart in the embodiment of the application is as follows: in addition to the advantages described above for the cart front rail return mechanism 106, the cart also has the advantages described above, namely: the whole elastic reset assembly 2 is wrapped by the mounting cylinder 1, so that the structure is firmer and more compact, the overall appearance of the handcart is improved, the mounting cylinder 1 also has a protective effect on the elastic reset assembly 2, the elastic reset assembly 2 is not easy to rust when meeting water, the service life is longer, and the use experience of a user is better. And the handcart with the structural design has firm structure and better quality, and the front baffle 105 can prevent stacked objects on the chassis 101 from sliding off.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (5)
1. The utility model provides a front fender canceling release mechanical system of handcart which characterized in that: the device comprises a mounting cylinder (1), an elastic reset assembly (2) and a connecting piece (3), wherein the mounting cylinder (1) is fixedly arranged at the front end part of a chassis of a handcart, the elastic reset assembly (2) is arranged in the mounting cylinder (1), the connecting piece (3) is provided with two ends which are respectively connected with the two ends of the elastic reset assembly (2), the connecting piece (3) is rotationally connected with the end part of the mounting cylinder (1), the rotation axis of the connecting piece (3) and the rotation axis of the mounting cylinder (1) are mutually parallel or coincide, and the connecting piece (3) is far away from the end part of the elastic reset assembly (2) and the bottom of a front baffle of the handcart are fixedly connected;
the elastic reset assembly (2) comprises a fixed shaft (21) and two reset springs (22), the fixed shaft (21) is fixedly connected to the middle part of the mounting cylinder (1), the two reset springs (22) are respectively positioned on two sides of the fixed shaft (21), and two ends of the reset springs (22) are respectively connected to one end of the fixed shaft (21) and one end of the connecting piece (3);
the two ends of the fixed shaft (21) are provided with first clamping columns (211), the first clamping columns (211) are provided with first clamping grooves (212), the end parts, close to the first clamping columns (211), of the reset springs (22) are provided with first inner hooks (221), the first clamping columns (211) are inserted into the reset springs (22), and the first inner hooks (221) are clamped into the first clamping grooves (212);
the connecting piece (3) comprises a connecting shaft (31) and a locking bolt (32), a second clamping column (311) is arranged at the end part, close to the reset spring (22), of the connecting shaft (31), a second clamping groove (312) is formed in the second clamping column (311), a second inner hook (222) is arranged at the end part, close to the second clamping column (311), of the reset spring (22), the second clamping column (311) is inserted into the reset spring (22), and the second inner hook (222) is clamped into the second clamping groove (312);
the end part of the connecting shaft (31) far away from the second clamping column (311) is provided with a second threaded hole (313), and the locking bolt (32) is assembled in the second threaded hole (313) after penetrating through the bottom of the front baffle of the trolley;
the connecting shaft (31) comprises a conical table section (314) and a cylindrical section (315), the conical table section (314) and the cylindrical section (315) are integrally formed, the cylindrical section (315) partially or completely stretches into the mounting cylinder (1), the conical table section (314) is positioned outside the mounting cylinder (1), and the second threaded hole (313) is formed in the conical table section (314);
one end of the conical table section (314) far away from the cylindrical section (315) is provided with a notch (3141), and the shape of the notch (3141) is matched with the shape of the bottom of the front baffle of the trolley.
2. The cart front rail reset mechanism of claim 1, wherein: the fixing shaft (21) is fixedly connected with the mounting cylinder (1) through a fixing bolt (4), a first threaded hole (213) which is assembled with the fixing bolt (4) in a threaded mode is formed in the fixing shaft (21), and a through hole through which the fixing bolt (4) passes is formed in the mounting cylinder (1).
3. The cart front rail reset mechanism of claim 1, wherein: this handcart front end return mechanism still includes mount pad (5), mount pad (5) include mounting panel (51) and solid fixed ring (52), gu fixed ring (52) are provided with a plurality of and interval vertical respectively arranges, install section of thick bamboo (1) run through all gu fixed ring (52) and with gu fixed ring (52) fixed connection, gu fixed ring (52) are fixed in the upper surface of mounting panel (51), mounting panel (51) are fixed in the chassis front end of handcart.
4. A cart front rail reset mechanism according to claim 3, wherein: the mounting plate (51) is located the position department of connecting piece (3) below is provided with dodges hole (511), dodge hole (511) and be used for providing the rotation space for the front fender bottom of the handcart when rotating, still fixed mounting has limiting plate (53) on mounting plate (51), limiting plate (53) are located dodge hole (511) towards one side of chassis (101) rear end portion, limiting plate (53) are used for keeping apart the front fender bottom of the handcart in order to ensure that the front fender of the handcart keeps vertical.
5. A cart, characterized in that: the front wheel support structure comprises a chassis (101), wheels (102), a stand column (103), a handle (104), a front baffle (105) and a front baffle reset mechanism (106) of the trolley according to any one of claims 1-4, wherein the front baffle reset mechanism (106) of the trolley is arranged between the front end part of the chassis (101) and the bottom part of the front baffle (105), the stand column (103) is fixed at the rear end part of the chassis (101), the handle (104) is arranged at the top part of the stand column (103), and the wheels (102) are arranged at the bottom part of the stand column (103) and/or the bottom part of the chassis (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010821474.8A CN111791930B (en) | 2020-08-15 | 2020-08-15 | Front gear reset mechanism of handcart and handcart |
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| CN202010821474.8A CN111791930B (en) | 2020-08-15 | 2020-08-15 | Front gear reset mechanism of handcart and handcart |
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| CN111791930B true CN111791930B (en) | 2024-04-12 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016361Y (en) * | 2007-02-02 | 2008-02-06 | 富士康(昆山)电脑接插件有限公司 | Gemel structure |
| KR101384113B1 (en) * | 2013-05-13 | 2014-04-10 | 조국환 | Multi-function hinge means and in-out type chair integral table using the hinge means |
| CN204341167U (en) * | 2014-10-15 | 2015-05-20 | 浙江晨辉婴宝儿童用品有限公司 | Arm-rest frame before the baby carriage of adjustable angle |
| CN206265092U (en) * | 2016-12-09 | 2017-06-20 | 长兴能工机械有限公司 | A kind of logistics handcart |
| CN109733449A (en) * | 2019-02-02 | 2019-05-10 | 邯郸开发区东石环保科技有限公司 | One kind being used for small car part transport carriage |
| CN212289952U (en) * | 2020-08-15 | 2021-01-05 | 武汉创元铝制休闲用品有限责任公司 | Handcart front gear resetting mechanism and handcart |
-
2020
- 2020-08-15 CN CN202010821474.8A patent/CN111791930B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016361Y (en) * | 2007-02-02 | 2008-02-06 | 富士康(昆山)电脑接插件有限公司 | Gemel structure |
| KR101384113B1 (en) * | 2013-05-13 | 2014-04-10 | 조국환 | Multi-function hinge means and in-out type chair integral table using the hinge means |
| CN204341167U (en) * | 2014-10-15 | 2015-05-20 | 浙江晨辉婴宝儿童用品有限公司 | Arm-rest frame before the baby carriage of adjustable angle |
| CN206265092U (en) * | 2016-12-09 | 2017-06-20 | 长兴能工机械有限公司 | A kind of logistics handcart |
| CN109733449A (en) * | 2019-02-02 | 2019-05-10 | 邯郸开发区东石环保科技有限公司 | One kind being used for small car part transport carriage |
| CN212289952U (en) * | 2020-08-15 | 2021-01-05 | 武汉创元铝制休闲用品有限责任公司 | Handcart front gear resetting mechanism and handcart |
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| CN111791930A (en) | 2020-10-20 |
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