Wheelbarrow with parking supportTechnical Field
The utility model relates to the technical field of wheelbarrows, in particular to a wheelbarrow with a parking support.
Background
The wheelbarrow comprises a vehicle body and a parking bracket, and the wheelbarrow is supported to be static through the support of the parking bracket when the wheelbarrow is not used. The existing parking support is arranged on one side of the vehicle body, and when parking, the parking support is rotated to support, so that the parking support and wheels form a supporting point together to park; when the monocycle needs to be used, the riding is carried out after the parking support is rotated to be far away from the supporting surface, the use is troublesome, meanwhile, the common monocycle on the market usually adopts a spring damper to absorb shock, when encountering a jolting road section, the shock absorption effect is poor, the use effect is poor, and the comfort of a user is influenced. Therefore, a wheelbarrow with a parking stand is proposed to solve the above problems.
Disclosure of Invention
The utility model provides a monocycle with a parking support, which solves the problems of inconvenient use and poor use effect in the related technology.
The technical scheme of the utility model is as follows:
the utility model provides a take wheel barrow of support of parkking, includes wheel subassembly and frame subassembly, be equipped with a set of damper between wheel subassembly and the frame subassembly, damper sets up in pairs and symmetric distribution is in wheel subassembly both sides, frame subassembly tail end is equipped with the support of parkking, the support of parkking includes first support and the same second support of structure, first support with be equipped with coupling assembling between the second support, coupling assembling includes but the printing opacity sleeve, but first end cover and second end cover are connected respectively at printing opacity sleeve both ends, but inside loudspeaker and the lamp plate of being equipped with of printing opacity sleeve.
Further, one end of the first support, which is far away from the frame assembly, is provided with a first anti-skid pad, and one end of the second support, which is far away from the frame assembly, is provided with a second anti-skid pad.
Preferably, the damping component comprises an outer cylinder, one end of the outer cylinder is connected with an outer cylinder fixing seat, the other end of the outer cylinder is connected with an outer cylinder cover, a piston is arranged in the outer cylinder in a sliding mode, the piston penetrates through the outer cylinder cover and then stretches out of the outer cylinder, an air inlet channel is formed in the outer cylinder fixing seat, an air inlet nozzle is connected to an air inlet of the air inlet channel, a first guide component and a first seal component are arranged between one end of the outer cylinder and the inner wall of the outer cylinder, a second seal component, a second guide component and a dustproof component are sequentially arranged between the inner wall of the outer cylinder cover and the outer wall of the piston from inside to outside, and a first air pressure chamber is formed in the outer cylinder at the lower end of the outer cylinder fixing seat and the upper end of the piston.
Further, a fixed seat sealing ring is arranged between the outer cylinder fixed seat and the outer cylinder.
Preferably, the first guide assembly and the second guide assembly both adopt guide rings, and the first seal assembly and the second seal assembly both adopt seal rings.
Further, the piston comprises a piston rod and an air flow valve arranged at one end of the piston rod, and the outer wall of the air flow valve is in contact with the inner wall of the outer cylinder.
Further, an air flow valve sealing gasket, an air flow valve flat gasket and an air flow valve spring are sequentially arranged between the inner wall of the air flow valve and the outer wall of the upper end of the piston rod.
Further, an air pressure flow direction transverse groove is formed in the end face of one end, connected with the air flow valve, of the piston rod, and an air pressure flow direction vertical groove is formed in the side face of the circumferential direction; the center of the air flow valve is provided with a first air hole, and a group of second air holes are uniformly distributed along the circumferential direction; the air flow valve is characterized in that a second air pressure chamber is formed between the upper end face of the piston rod and the air flow valve, and a third air pressure chamber is formed among the inner wall of the piston rod, the lower end face of the air flow valve, the inner wall of the outer cylinder and the outer cylinder cover.
Further, a third sealing assembly is arranged between the outer cylinder and the outer cylinder cover.
Preferably, the third sealing assembly adopts a sealing ring.
The working principle and the beneficial effects of the utility model are as follows:
when the parking support is used, only the frame component is required to incline towards one side of the parking support, and the whole parking support is in a static state under the condition that the parking support is matched with the wheel component; when the vehicle needs to walk, the parking support can be separated from the supporting surface only by holding the connecting assembly by hand and righting the parking support, and the vehicle can walk and be used conveniently; meanwhile, the transparent sleeve of the connecting assembly is internally provided with the loudspeaker and the lamp panel, so that the safety during walking can be further enhanced, and the use effect is better;
according to the utility model, gas can enter the first air pressure chamber through the air inlet nozzle and the air inlet channel, and then the piston is ejected out through compressed gas, so that the elastic shock absorption effect is realized, and meanwhile, the structure is simple, and the whole occupied space is small; on the other hand, the first air pressure chamber can be inflated and deflated through the air inlet nozzle, and the elasticity of the first air pressure chamber can be adjusted to match different damping requirements, so that the novel bicycle is suitable for riders with different weights and various riding environments, and is more convenient to use;
according to the utility model, through the arrangement of the air flow valve, the air flow valve sealing gasket, the air flow valve flat gasket, the air flow valve spring, the air pressure flow direction transverse groove, the air pressure flow direction vertical groove, the first air hole, the second air chamber and the third air chamber, the air can flow among the first air chamber, the second air chamber and the third air chamber, so that the air flow valve has a damping function in two directions, the damping and shock absorption functions can be realized simultaneously in the whole working process, a good shock absorption effect is achieved, meanwhile, the stable state can be quickly recovered after instant impact, the air flow valve has good shock resistance and dynamic stability when working in a dynamic environment, the dynamic performance of the air flow valve is greatly improved, and the air flow valve is more convenient to use and has better use effect; in general, the utility model has the advantages of convenient use and good use effect.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the parking stand of the present utility model;
FIG. 3 is a schematic view of an exploded construction of a parking stand according to the present utility model;
FIG. 4 is a schematic view of the shock absorbing assembly of the present utility model;
FIG. 5 is a schematic cross-sectional view of a shock absorbing assembly of the present utility model;
FIG. 6 is a schematic view of the piston of the present utility model;
FIG. 7 is a schematic view of the piston rod of the present utility model;
FIG. 8 is a schematic diagram of an exploded construction of a piston of the present utility model;
FIG. 9 is a schematic view of the structure and gas flow direction of the compression process of the damper assembly of the present utility model;
FIG. 10 is a schematic view of the structure and gas flow during compression and release of the damper assembly of the present utility model;
FIG. 11 is a schematic view of the parking status of the present utility model;
in the figure: 1. the wheelbarrow body, 2, outer cylinder, 3, damper assembly, 31, outer cylinder, 32, outer cylinder fixing base, 321, air inlet channel, 322, air inlet nozzle, 33, outer cylinder cover, 34, piston, 341, piston rod, 3411, air pressure flow direction horizontal groove, 3412, air pressure flow direction vertical groove, 342, air flow valve, 343, air flow valve sealing, 344, air flow valve flat gasket, 345, air flow valve spring, 346, first air hole, 347, second air hole, 35, first guide assembly, 36, first seal assembly, 37, third seal assembly, 38, second seal assembly, 39, second guide assembly, 310, dust assembly, 311, first air pressure chamber, 312, second air pressure chamber, 313, third air pressure chamber, 4, parking bracket, 41, first bracket, 42, second bracket, 43, connecting assembly, 431, first end cover, 432, speaker, 433, light permeable sleeve, 434, light plate, 435, second end cover, 44, first anti-slip pad, 45, second anti-slip pad.
Description of the embodiments
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-3, the embodiment provides a wheelbarrow with a parking support, which comprises a wheel assembly 1 and a frame assembly 2, wherein a group of shock absorption assemblies 3 are arranged between the wheel assembly 1 and the frame assembly 2, the shock absorption assemblies 3 are arranged in pairs and symmetrically distributed on two sides of the wheel assembly 1, a parking support 4 is arranged at the tail end of the frame assembly 2, the parking support 4 comprises a first support 41 and a second support 42 with the same structure, a connecting assembly 43 is arranged between the first support 41 and the second support 42, and when the parking support 4 is used, the frame assembly 2 is only required to be inclined towards one side of the parking support 4, and the whole body is in a static state under the condition that the parking support 4 is matched with the wheel assembly 1; when the vehicle needs to walk, the parking support 4 can be separated from the supporting surface by only holding the connecting component 43 and righting the parking support 4, and at the moment, the vehicle can walk for use, and the vehicle is very convenient to use; the coupling assembling 43 includes but printing opacity sleeve 433, but printing opacity sleeve 433 both ends are connected first end cover 431 and second end cover 435 respectively, but printing opacity sleeve 433 is inside is equipped with loudspeaker 432 and lamp plate 434, loudspeaker 432 and lamp plate 434 are all from electrified source, and external connection has controlling means, controlling means can adopt the PLC controller, set up loudspeaker 432 and lamp plate 434 in the transparent sleeve 433 of coupling assembling 43, lamp plate 434 adopts the LED lamp plate, the security when can further reinforcing walking, make the result of use better, further, the one end that frame subassembly 2 was kept away from to first support 41 is equipped with first slipmat 44, the one end that frame subassembly 2 was kept away from to second support 41 is equipped with second slipmat 45, it can prevent when the vehicle parks to set up first slipmat 44 and second slipmat 45, make the result of use better.
Preferably, as shown in fig. 4-5, the shock absorbing assembly 3 comprises an outer cylinder 31, one end of the outer cylinder 31 is connected with an outer cylinder fixing seat 32, a fixing seat sealing ring is arranged between the outer cylinder fixing seat 32 and the outer cylinder 31, the other end is connected with an outer cylinder cover 33, a third sealing assembly 37 is arranged between the outer cylinder 31 and the outer cylinder cover 33, and the third sealing assembly 37 adopts a sealing ring; the inside of the outer cylinder 31 is slidably provided with a piston 34, the piston 34 penetrates through the outer cylinder cover 33 and then extends out of the outer cylinder 31, an air inlet channel 321 is arranged on the outer cylinder fixing seat 32, an air inlet nozzle 322 is connected to an air inlet of the air inlet channel 321, an air inlet nozzle sealing gasket is arranged between the air inlet nozzle 322 and the outer cylinder fixing seat 32, and the air inlet nozzle 322 adopts a pneumatic quick connector and is externally connected with an air source and a control valve; the piston 34 is located and is equipped with first guide assembly 35 and first seal assembly 36 between the one end of urceolus 31 and the urceolus 31 inner wall, and first guide assembly 35 and first seal assembly 36 are two, and two first seal assembly 36 are located between two first guide assemblies 35, set gradually second seal assembly 38 from inside to outside between the outer cover 33 inner wall and the piston 34 outer wall, second guide assembly 39 and dustproof subassembly 310, dustproof subassembly 310 adopts the dust ring, urceolus fixing base 32 lower extreme and piston 34 upper end are formed with first pneumatic chamber 311 in urceolus 31 inside, first guide assembly 35 and second guide assembly 39 all adopt the guide ring, first seal assembly 36 and second seal assembly 38 all adopt the sealing washer, seal assembly can play fine sealed effect to whole damper, the guide assembly can be better make things convenient for piston 34 to reciprocate.
The air can enter the first air pressure chamber 311 through the air inlet nozzle 322 and the air inlet channel 321, and then the piston 34 is ejected out through compressed air, so that the elastic shock absorption effect is achieved, and meanwhile, the structure is simple, and the whole occupied space is small; on the other hand, the first air pressure chamber 311 can be inflated and deflated through the air inlet nozzle 322, and the elastic size of the first air pressure chamber is adjusted to match different damping requirements, so that a better damping effect is achieved.
As shown in fig. 6 to 9, the piston 34 includes a piston rod 341 and an air flow valve 342 disposed at one end of the piston rod 341, the outer wall of the air flow valve 342 contacts with the inner wall of the outer cylinder 31, an air flow valve sealing pad 343, an air flow valve flat pad 344 and an air flow valve spring 345 are sequentially disposed between the inner wall of the air flow valve 342 and the outer wall of the upper end of the piston rod 341, an air pressure flow direction transverse groove 3421 is disposed on one end surface of the piston rod 341 connected with the air flow valve 342, an air pressure flow direction vertical groove 3422 is symmetrically disposed on the circumferential side surface, the air pressure flow direction transverse groove 3421 is communicated with the air pressure flow direction vertical groove 3422, and the air pressure flow direction transverse groove 3421 and the air pressure flow direction vertical groove 3422 are respectively communicated with the first air hole 346, the second air hole 347, the second air pressure chamber 312 and the third air pressure chamber 313; the center of the air flow valve 342 is provided with a first air hole 346, and a group of second air holes 347 are uniformly distributed along the circumferential direction; the second air pressure chamber 312 is formed between the upper end surface of the piston rod 1 and the air flow valve 342, the third air pressure chamber 313 is formed between the inner wall of the piston rod 341, the lower end surface of the air flow valve 342, the inner wall of the outer cylinder 31 and the outer cylinder cover 33, and through the arrangement of the air flow valve 342, the air flow valve sealing pad 343, the air flow valve flat pad 344, the air flow valve spring 345, the air flow direction transverse groove 3421, the air flow direction vertical groove 3422, the first air hole 346, the second air hole 347, the second air pressure chamber 312 and the third air pressure chamber 313, the air can flow among the first air pressure chamber 311, the second air pressure chamber 312 and the third air pressure chamber 313, so that the bidirectional damping function can be realized in the whole working process, the resonance amplitude of the frame component and the wheel component and the capacity of transmitting vibration can be reduced, the damage caused by the limit of dynamic stress can be avoided, meanwhile, the stable state can be quickly restored after the transient impact, the dynamic environment can work in a good anti-vibration and dynamic stability, the dynamic performance can be greatly improved, and the better damping effect can be achieved.
As shown in fig. 9 and 10, when the air flows downwards under pressure, the air flow valve sealing pad 343 and the air flow valve flat pad 344 close the second air hole 347 and open the first air hole 346 under the action of the air flow valve spring 345, and the air in the second air pressure chamber 312 and the third air pressure chamber 313 flows to the transverse slot 3421, the vertical slot 3422 and the first air hole 346 through the air pressure to enter the first air pressure chamber 311, so as to play a role of damping; when the pressure released by the utility model moves upwards, the air flow valve sealing pad 343 and the air flow valve flat pad 344 seal the first air hole 346 under the action of the air flow valve spring 345, the second air hole 347 is opened, and at the moment, the air in the first air pressure chamber 311 flows into the second air pressure chamber 312 and the third air pressure chamber 313 through the second air hole 347 and the air pressure flow direction vertical groove 3422 to play a damping role, so that the utility model has good shock resistance and dynamic stability when working in a dynamic environment, greatly improves the dynamic performance, plays a better shock absorption effect and is very convenient to use.
As shown in fig. 11, when the parking stand 4 is used, the frame assembly 2 is simply tilted to one side of the parking stand 4, and the whole is brought to a stationary state when the parking stand 4 and the wheel assembly 1 are engaged.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.