CN111688773A - Shallow that medical field used - Google Patents
Shallow that medical field used Download PDFInfo
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- CN111688773A CN111688773A CN202010603529.8A CN202010603529A CN111688773A CN 111688773 A CN111688773 A CN 111688773A CN 202010603529 A CN202010603529 A CN 202010603529A CN 111688773 A CN111688773 A CN 111688773A
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- plate
- fixed shaft
- swing
- cart
- guide rail
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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
- B62B3/001—Steering devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G12/00—Accommodation for nursing, e.g. in hospitals, not covered by groups A61G1/00 - A61G11/00, e.g. trolleys for transport of medicaments or food; Prescription lists
-
- 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
-
- 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
- B62B5/04—Braking mechanisms; Locking devices against movement
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Handcart (AREA)
Abstract
The invention belongs to the technical field of a cart, and particularly relates to a cart used in the medical field, which comprises a bottom plate, a pushing frame, front wheels, a steering mechanism and rear wheels, wherein the front wheels and the rear wheels of the cart adopt traditional traveling wheels, the steering function is realized by controlling the swing of the front wheels in the steering process, and compared with the traditional cart adopting four universal wheels, the cart needs less manpower in the steering process and is convenient to operate; compared with a simple cart with universal wheels only on the front wheels or the rear wheels, the cart can be steered on a sloping road surface in a straight line manner or in the steering process without large force, so that the cart is more convenient to use; compared with a traditional cart used in the medical field, the cart can be used for carrying some medical heavy objects, and is more convenient and labor-saving to use than the traditional medical cart with universal wheels.
Description
Technical Field
The invention belongs to the technical field of carts, and particularly relates to a cart used in the medical field.
Background
At present, in hospitals, medical staff often need to transfer a plurality of medical instruments, medical appliances and the like to required places during working, and a trolley is generally used for transferring the medical instruments.
Generally, a cart used in medical treatment is provided with four universal wheels which are convenient for the cart to steer, but when the cart with the four universal wheels steers in the advancing process of bearing heavier objects, the cart bears heavier weight and has larger inertia, and the steering completely needs manual driving, so that the operation is very inconvenient at this time; for such heavy goods carts, to better effect steering of the carts while in motion, such carts typically employ front-wheel steering or rear-wheel steering rather than conventional four-wheel steering; at present, the cart adopts universal wheels to realize front wheel steering or rear wheel steering; however, the universal wheels are positioned on the road surface with the slope to go straight or in the steering process, the cart can be steered only by large force when being steered, and meanwhile, if the cart can not be completely parked on the road surface with the slope when being parked on the slope because the front wheels or the rear wheels are the universal wheels and the universal wheels are automatically steered on the slope, the cart which can pull heavy objects on the road surface with the slope and can be easily steered or parked when being driven is very necessary to design.
The invention relates to a cart for the medical field, which solves the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a cart for the medical field, which is realized by adopting the following technical scheme.
A shallow that medical field was used which characterized in that: the steering mechanism comprises a bottom plate, a pushing frame, front wheels, a steering mechanism and rear wheels, wherein the two front wheels are symmetrically arranged on the lower side surface of the front end of the bottom plate, and the two rear wheels are symmetrically arranged on the lower side surface of the rear end of the bottom plate; the steering mechanism is arranged on the lower side of the bottom plate; the upper side surface of the rear end of the bottom plate is provided with a pushing frame.
The push frame is provided with two symmetrically distributed fixed sleeves, two ends of the adjusting rod are nested in the two fixed sleeves, and a first reset spring is respectively arranged between each of the two ends of the adjusting rod and the inner end surface of the corresponding fixed sleeve; the adjusting rod can slide in the two fixing sleeves, and the first reset spring plays a reset role in the adjusting rod.
A fifth fixing plate is fixedly arranged on the lower side of the rear end of the bottom plate through a second fixing block; the two front wheels are respectively installed at two ends of the fifth fixing plate through a support, and the two supports are respectively in running fit with the fifth fixing plate.
The steering mechanism comprises a first swing plate, a second return spring, a sliding rod, a brake rod, a guide rail, a third return spring, a guide sleeve, a third swing plate, a fourth swing plate, a fifth swing plate, a sliding block, a friction wheel, a friction plate, a fourth return spring, a driving U-shaped plate and a rotary damper, wherein one ends of the two sixth swing plates are fixedly arranged on two supports for mounting the front wheel respectively, and two ends of the first swing plate are connected with the other ends of the two sixth swing plates in a hinged mode respectively; two second return springs are symmetrically arranged between the two ends of the first swing plate and the bottom plate; the second return spring plays a role in returning the first swing plate; one end of the second swinging plate is fixedly arranged at the lower side of the first swinging plate; when the second swing plate swings, the second swing plate can drive the first swing plate to swing, the first swing plate swings to drive the two sixth swing plates to swing, the two sixth swing plates swing to drive the two brackets for mounting the front wheels to rotate, and the brackets rotate to drive the front wheels to swing, so that the steering function is realized; the upper end of the first fixed shaft is fixedly arranged on the lower side surface of the bottom plate, the friction wheel is arranged on the first fixed shaft, one end of the guide rail is arranged on the first fixed shaft in a rotating fit manner, and a rotary damper is arranged between the guide rail and the first fixed shaft; the sliding block is arranged on the guide rail in a sliding fit manner, and a fourth reset spring is arranged between the sliding block and the inner end face of one end, close to the first fixed shaft, of the guide rail; the sliding block can slide in the guide rail, and the fourth return spring plays a role in returning the sliding block; the upper end of the sliding block is provided with a second fixed shaft, the lower end of the sliding block is provided with a third fixed shaft, one end of the brake rod is fixedly arranged on the second fixed shaft, the other end of the brake rod is provided with a mounting semi-ring, and the mounting semi-ring is positioned on one side of the first fixed shaft, which is far away from the sliding block; the installation semi-ring is provided with an arc-shaped rubber sheet, and the inner cambered surface of the rubber sheet is provided with a friction plate; the friction sheet is matched with the friction wheel; the rubber sheet has the function of ensuring that when the friction sheet arranged on the brake rod is in contact fit with the friction wheel, the friction sheet is in close contact with the outer circular surface of the friction wheel through the elasticity of the rubber sheet, the friction wheel plays a friction braking role on the friction sheet, namely, the brake rod is frictionally braked by the friction wheel, and the guide rail and the sliding block connected with the brake rod are braked by the friction wheel; one end of the third swinging plate is arranged at the lower end of the first fixed shaft, the upper end of the fourth fixed shaft is arranged at the other end of the third swinging plate, one end of the fourth swinging plate is arranged at the lower end of the fourth fixed shaft, one end of the fourth swinging plate is arranged on the fourth fixed shaft, and the other end of the fourth swinging plate is arranged at the upper end of the third fixed shaft; the fifth fixed shaft is arranged at the other end of the second swinging plate; the second swinging plate is positioned at the upper end of the fifth fixed shaft; one end of the fifth swinging plate is arranged at the lower end of the fifth fixed shaft, and the other end of the fifth swinging plate is arranged on the third fixed shaft; two third return springs are symmetrically arranged between the fourth swing plate and the guide rail; the third return spring is used for returning the fourth swing plate; the two guide sleeves are symmetrically arranged on the lower side of the bottom plate, two ends of the sliding rod are nested on the two guide sleeves, and the guide sleeves play a role in guiding and supporting the sliding rod; the driving U-shaped plate is fixedly arranged on the sliding rod, matched with the lower end of the fourth fixed shaft and matched with the upper end of the fifth fixed shaft; the sliding rod drives the driving U-shaped plate to move by moving, and the driving U-shaped plate drives the fourth fixed shaft and the fifth fixed shaft to move by moving.
The two ends of the adjusting rod are connected with the two ends of the sliding rod through two pull ropes.
In the process of linear walking, the adjusting rod is in a static state under the action of the two first return springs, and the pull ropes on the two sides of the adjusting rod are also in a tensioned state, namely the slide rod connected with the two sections of pull ropes is in a static state, the slide rod cannot move left and right, and the U-shaped plate is driven to be in a static state; the fourth fixed shaft is in a static state and cannot swing left and right; in this state, the third swing plate and the fourth swing plate are in a 180-degree straight swing state, and the third swing plate and the fourth swing plate reach a self-locking balance state; the fourth swinging plate is in a static state relative to the guide rail, and the sliding block connected with the fourth swinging plate is also in a static state and cannot slide relative to the guide rail; the guide rail cannot swing under the braking of the friction wheel; the fifth swinging plate arranged on the sliding block cannot swing, and the second swinging plate connected with the fifth swinging plate through the fifth fixed shaft is in a static state and cannot swing, namely the first swinging plate and the sixth swinging plate are in a static state, and two supports connected with the two sixth swinging plates are in a static state and cannot swing; namely, the two front wheels are locked to be incapable of swinging and only can walk along a straight line.
When the adjusting rod is controlled to move, the adjusting rod can pull the pull rope arranged on the adjusting rod to move, the pull rope moves to pull the sliding rod to move towards the moving direction of the adjusting rod, the sliding rod moves to drive the U-shaped plate to move towards the moving direction of the adjusting rod, the U-shaped plate is driven to move to drive the fourth fixed shaft and the fifth fixed shaft to move, the fourth fixed shaft moves to drive the third swinging plate to rotate around the first fixed shaft, the third swinging plate rotates to drive the fourth swinging plate to swing, the self-locking state of the fourth swinging plate and the third swinging plate is broken, the fourth swinging plate swings to drive the sliding block to swing, and the sliding block slides towards one side provided with the fourth fixed shaft in the guide rail, in an initial state, the friction wheel arranged on the first fixed shaft has a braking effect on the guide rail through the brake rod, the guide rail cannot swing, and the fourth fixed shaft cannot drive the guide rail to rotate around the first fixed shaft through the fourth swing plate; however, once the sliding block starts to move, the sliding block can drive the brake rod to move, so that the friction plate arranged on the brake rod and the friction wheel arranged on the first fixed shaft are gradually separated, the friction wheel gradually loses the limitation on the brake rod, and after the friction wheel completely loses the limitation on the guide rail, the fourth fixed shaft can drive the guide rail to rotate around the first fixed shaft through the fourth swinging plate, namely one side of the sliding block slides along the guide rail, and the other side of the sliding block swings around the first fixed shaft under the drive of the guide rail; in the invention, the rotary damper is arranged between the guide rail and the first fixed shaft, and the swing of the guide rail lags behind the swing of the fourth swing plate; a third return spring installed between the guide rail and the fourth swing plate is extended; the sliding block moves to drive the fifth swinging plate to swing, meanwhile, the U-shaped plate is driven to move to drive the fifth fixed shaft to move, the fifth fixed shaft moves to provide a swinging direction for the swinging of the fifth swinging plate, and the fifth swinging plate swings to drive the second swinging plate to swing; the front wheel can swing by the swing of the second swing plate, so that the steering function is realized; because of the action of the rotary damper, in the process that the fourth swinging plate swings to a certain angle and the cart turns, the guide rail does not swing to be parallel to the fourth swinging plate in time, under the state, the guide rail can gradually approach to the fourth swinging plate to swing under the action of the corresponding third return spring, in the swinging process of the guide rail, the sliding block can gradually slide to one side far away from the first fixed shaft under the action of the fourth return spring, the sliding block moves to drive the fifth swinging plate to rotate around the fifth fixed shaft, meanwhile, the sliding block moves to drive the fourth swinging plate to rotate around the fourth fixed shaft, when the guide rail swings to be parallel to the fourth swinging plate, the fourth swinging plate just swings to be in a 180-degree straight state with the third swinging plate, the fourth swinging plate and the third swinging plate reach a self-locking state, the friction wheel is in contact fit with the friction sheet on the brake rod, and the friction wheel limits the guide rail, namely, the guide rail and the fourth swing plate are in a relative static state, and the steering of the front wheel is locked; that is, if the cart is stopped in the steering process, the steering of the front wheels can be locked, and the cart cannot swing due to external force, so that the cart moves, and particularly on a road surface with a slope, the front wheels can swing on the slope due to the fact that articles borne on the cart are heavy and the inertia is large, and the cart loses the brake.
As a further improvement of the technology, the pushing frame is provided with a pull rope hole, one end of each of the two pull ropes is arranged on the adjusting rod, and the other end of each of the two pull ropes penetrates through the pull rope hole on the pushing frame to be connected with the sliding rod.
As a further improvement of the technology, a first fixing block is arranged on the lower side surface of the rear end of the bottom plate, and two rear wheels are symmetrically arranged at two ends of the first fixing block.
As a further improvement of the present technology, the fifth fixing plate is mounted on the lower side of the second fixing block by three fixing cylinders which are uniformly distributed.
As a further improvement of the technology, the mounting block is fixedly mounted on the second fixing block through a fixing support; two first fixing plates are symmetrically arranged at two ends of the upper side of the first swinging plate; one ends of the two second return springs are symmetrically and fixedly arranged at two sides of the mounting block, and the other ends of the two second return springs are respectively arranged on the two first fixing plates.
As a further improvement of the technology, two first guide wheels are symmetrically and fixedly installed on the lower side of the rear end of the bottom plate; two second guide wheels are symmetrically arranged on the lower side of the bottom plate; the two sections of pull ropes are respectively connected with the sliding rod by bypassing the first guide wheel and the second guide wheel which are positioned on the same side; the first guide wheel and the second guide wheel play a role in guiding the pull rope.
As a further improvement of the present technology, a second fixing plate is mounted on the lower side of the base plate; the two guide sleeves are respectively installed at two ends of the second fixing plate through a third fixing plate.
As a further improvement of the technology, two fourth fixing plates are symmetrically installed at two ends of the guide rail; one ends of the two third return springs are symmetrically arranged on two side surfaces of the fourth swing plate, and the other ends of the two third return springs are arranged on the corresponding two fourth fixed plates.
As a further improvement of the technology, the inner side of the guide rail is symmetrically provided with two sliding grooves, two sides of the sliding block are symmetrically provided with two guide blocks, and the sliding block is arranged in the guide rail through the sliding fit of the two guide blocks and the two sliding grooves.
As a further improvement of the technology, two elastic pieces are symmetrically installed on the inner side surface of the matching end of the driving U-shaped plate and the fifth fixed shaft, and the elastic pieces are used for preventing parts on the cart from loosening and the like after the cart is used for a long time.
Compared with the traditional cart technology, the cart designed by the invention has the advantages that the front wheels and the rear wheels are both the traditional walking wheels, the steering function is realized by controlling the swing of the front wheels in the steering process, and compared with the traditional cart adopting four universal wheels, the cart needs less manpower in the steering process and is convenient to operate; compared with a simple cart with universal wheels only at the front wheels or the rear wheels, the cart can be steered without paying large force when being positioned on a road surface with gradient in the straight running or steering process, and meanwhile, when the cart walks on a ramp, the slope of the ramp can not generate the influence on the steering force of the wheels in the fixed steering direction during the steering and steering process and after the cart is steered and self-locked; or when the steering process on a flat road meets a bulge, the steering of the front wheel can not be influenced by the bulge after the steering is self-locked, so that the steering is completely controlled and the rod is adjusted, and the aim of saving labor is fulfilled.
If parking on a slope is required, the parking method has two types, the first type: firstly, the cart is rotated to be in a transverse arrangement state with the slope surface in the inclination direction, the front wheels are arranged in a right direction, and the cart can be placed on the slope after the cart is steered and self-locked; and the second method comprises the following steps: when the front wheel has certain angle of turning when parkking, wait for the short time after, under the effect of corresponding third reset spring, the guide rail can draw close the swing to the fourth wobble plate gradually for the fourth wobble plate just in time swings to become 180 degrees pendulum straight state with the third wobble plate, fourth wobble plate and third wobble plate reach self-locking state, the steering ability of front wheel is deadlocked, later promote the regulation shallow, make the shallow be in balanced state and advance promptly and retreat all be the position department on uphill, accomplish the parking promptly.
Compared with a traditional cart used in the medical field, the cart can be used for carrying some medical heavy objects, and is more convenient and labor-saving to use than the traditional medical cart with universal wheels.
Drawings
Fig. 1 is an external view of an entire part.
Fig. 2 is a schematic view of the overall component distribution.
Fig. 3 is a schematic view of the steering mechanism installation.
Fig. 4 is a schematic view of the push frame installation.
Fig. 5 is a schematic view of a push frame structure.
Fig. 6 is a schematic view of the adjustment lever installation.
Fig. 7 is a schematic view of a steering mechanism arrangement.
Fig. 8 is a rear wheel mounting schematic.
Fig. 9 is a front wheel mounting schematic.
Fig. 10 is a schematic structural view of the steering mechanism.
Fig. 11 is a schematic view of a pull cord connection.
Fig. 12 is a schematic view of the first guide wheel and the second guide wheel arrangement.
FIG. 13 is a schematic view of the adjustment lever and pull cord connection.
Fig. 14 is a schematic view of a first guide wheel structure.
Fig. 15 is a schematic view of a second guide wheel structure.
Fig. 16 is a schematic diagram of guide sleeve distribution.
Fig. 17 is a schematic view of guide sleeve installation.
Fig. 18 is a schematic view of a guide rail arrangement.
FIG. 19 is a brake lever installation schematic.
FIG. 20 is a schematic illustration of a friction plate in engagement with a friction wheel.
Figure 21 is a schematic view of a slider installation.
Fig. 22 is a schematic view of the fourth and fifth wobble plates being installed.
FIG. 23 is a schematic view of the fourth and fifth stationary axles in their distribution.
FIG. 24 is a drive U-shaped plate installation schematic.
Fig. 25 is a schematic view of the working principle of the fourth return spring.
Fig. 26 is a second schematic view of the working principle of the fourth return spring.
Number designation in the figures: 1. a base plate; 2. pushing the frame; 3. a front wheel; 4. a steering mechanism; 5. a rear wheel; 6. a rotary damper; 7. fixing a sleeve; 8. a rope pulling hole; 9. adjusting a rod; 10. a first return spring; 11. pulling a rope; 12. a first fixed block; 13. a second return spring; 14. fixing and supporting; 15. a second fixed block; 16. fixing the cylinder; 17. a support; 18. a first swing plate; 19. a first fixing plate; 20. a second swing plate; 21. mounting blocks; 22. a first guide wheel; 23. a second guide wheel; 24. a second fixing plate; 25. a third fixing plate; 26. a slide bar; 27. a brake lever; 28. a guide rail; 29. a third return spring; 30. a fourth fixing plate; 31. a guide sleeve; 32. a first fixed shaft; 33. a third swing plate; 34. a fourth wobble plate; 35. a fifth swing plate; 36. a slider; 37. a friction wheel; 38. installing a semi-ring; 39. a rubber sheet; 40. a friction plate; 41. a fourth return spring; 42. a chute; 43. a guide block; 44. a second fixed shaft; 45. a third fixed shaft; 46. a fourth fixed shaft; 47. driving the U-shaped plate; 48. a fifth fixed shaft; 49. an elastic sheet; 50. a sixth swing plate; 51. and a fifth fixing plate.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the steering mechanism comprises a bottom plate 1, a pushing frame 2, front wheels 3, a steering mechanism 4 and rear wheels 5, wherein as shown in fig. 3, two front wheels 3 are symmetrically installed on the lower side surface of the front end of the bottom plate 1, and two rear wheels 5 are symmetrically installed on the lower side surface of the rear end of the bottom plate 1; as shown in fig. 7, the steering mechanism 4 is mounted on the lower side of the base plate 1; as shown in fig. 4, a push frame 2 is mounted on the upper side of the rear end of the base plate 1.
As shown in fig. 5, the pushing frame 2 has two symmetrically distributed fixing sleeves 7, as shown in fig. 6, two ends of the adjusting rod 9 are nested in the two fixing sleeves 7, and a first return spring 10 is respectively installed between two ends of the adjusting rod 9 and the inner end surface of the corresponding fixing sleeve 7; the adjusting rod 9 can slide in the two fixing sleeves 7, and the first return spring 10 has a return effect on the adjusting rod 9.
As shown in fig. 9, a fifth fixing plate 51 is fixedly mounted on the lower side of the rear end of the base plate 1 through a second fixing block 15; the two front wheels 3 are respectively mounted at two ends of the fifth fixing plate 51 through a bracket 17, and the two brackets 17 are respectively in running fit with the fifth fixing plate 51.
As shown in fig. 9 and 11, the steering mechanism 4 includes a first swing plate 18, a second swing plate 20, a second return spring 13, a sliding rod 26, a brake lever 27, a guide rail 28, a third return spring 29, a guide sleeve 31, a third swing plate 33, a fourth swing plate 34, a fifth swing plate 35, a slider 36, a friction wheel 37, a friction plate 40, a fourth return spring 41, a driving U-shaped plate 47, and a rotary damper 6, wherein as shown in fig. 9, one end of each of the two sixth swing plates 50 is fixedly mounted on the two brackets 17 on which the front wheel 3 is mounted, and two ends of the first swing plate 18 are connected with the other end of each of the two sixth swing plates 50 in a hinged manner; two second return springs 13 are symmetrically arranged between the two ends of the first swing plate 18 and the bottom plate 1; the second return spring 13 plays a role in returning the first swing plate 18; one end of the second swing plate 20 is fixedly arranged at the lower side of the first swing plate 18; when the second swing plate 20 swings, the second swing plate 20 can drive the first swing plate 18 to swing, the first swing plate 18 swings to drive the two sixth swing plates 50 to swing, the two sixth swing plates 50 swing to drive the two brackets 17 for mounting the front wheel 3 to rotate, and the brackets 17 rotate to drive the front wheel 3 to swing, so that the steering function is realized; as shown in fig. 3, the upper end of the first fixed shaft 32 is fixedly installed on the lower side surface of the base plate 1, as shown in fig. 22, the friction wheel 37 is installed on the first fixed shaft 32, as shown in fig. 18 and 19, one end of the guide rail 28 is installed on the first fixed shaft 32 by rotation fit, and the rotary damper 6 is installed between the guide rail 28 and the first fixed shaft 32; as shown in fig. 21, the slider 36 is mounted on the guide rail 28 by sliding fit, and a fourth return spring 41 is mounted between the slider 36 and the inner end surface of the guide rail 28 near one end of the first fixed shaft 32; the slide block 36 can slide in the guide rail 28, and the fourth return spring 41 plays a role in returning the slide block 36; the upper end of the sliding block 36 is provided with a second fixed shaft 44, the lower end of the sliding block 36 is provided with a third fixed shaft 45, as shown in fig. 16 and 19, one end of the brake lever 27 is fixedly arranged on the second fixed shaft 44, as shown in fig. 20, the other end of the brake lever 27 is provided with a mounting half ring 38, and the mounting half ring 38 is positioned on the side of the first fixed shaft 32 far away from the sliding block 36; the installation semi-ring 38 is provided with an arc-shaped rubber sheet 39, and the inner cambered surface of the rubber sheet 39 is provided with a friction plate 40; friction pads 40 cooperate with friction wheel 37; the rubber sheet 39 is used for ensuring that when the friction sheet 40 installed on the brake lever 27 is in contact fit with the friction wheel 37, the friction sheet 40 is in close contact with the outer circular surface of the friction wheel 37 through the elasticity of the rubber sheet 39, and the friction wheel 37 performs a friction braking action on the friction sheet 40, namely, the brake lever 27 is frictionally braked by the friction wheel 37, and the guide rail 28 and the slider 36 connected with the brake lever 27 are braked by the friction wheel 37; as shown in fig. 22 and 23, one end of the third swinging plate 33 is mounted on the lower end of the first fixed shaft 32, the upper end of the fourth fixed shaft 46 is mounted on the other end of the third swinging plate 33, one end of the fourth swinging plate 34 is mounted on the lower end of the fourth fixed shaft 46, and the other end of the fourth swinging plate 34 is mounted on the upper end of the third fixed shaft 45; the fifth fixed shaft 48 is installed at the other end of the second swing plate 20; and the second swing plate 20 is located at the upper end of the fifth fixed shaft 48; one end of the fifth swing plate 35 is mounted on the fifth fixed shaft 48, and the other end of the fifth swing plate 35 is mounted on the lower end of the third fixed shaft 45; two third return springs 29 are symmetrically arranged between the fourth swing plate 34 and the guide rail 28; the third return spring 29 is used for returning the fourth swing plate 34; as shown in fig. 16 and 17, two guide sleeves 31 are symmetrically installed on the lower side of the bottom plate 1, two ends of the sliding rod 26 are nested on the two guide sleeves 31, and the guide sleeves 31 play a role in guiding and supporting the sliding rod 26; as shown in fig. 24, the driving U-plate 47 is fixedly installed on the slide bar 26, the driving U-plate 47 is engaged with the lower end of the fourth fixed shaft 46, and the driving U-plate 47 is engaged with the upper end of the fifth fixed shaft 48; the movement of the sliding rod 26 drives the driving U-shaped plate 47 to move, and the driving U-shaped plate 47 drives the fourth fixed shaft 46 and the fifth fixed shaft 48 to move.
As shown in fig. 10 and 13, both ends of the adjustment lever 9 and both ends of the slide bar 26 are connected to each other by two pull cords 11.
In the process of linear walking, because the adjusting rod 9 is in a static state under the action of the two first return springs 10, the pull ropes 11 on the two sides of the adjusting rod 9 are also in a tensioned state, namely the slide rod 26 connected with the two pull ropes 11 is in a static state, the slide rod 26 cannot move left and right, and the U-shaped plate 47 is driven to be in a static state; the fourth fixed shaft 46 is in a stationary state and does not swing left and right; in this state, the third swing plate 33 and the fourth swing plate 34 are in a 180-degree straight swing state, and the third swing plate 33 and the fourth swing plate 34 reach a self-locking balance state; the fourth swinging plate 34 is in a static state relative to the guide rail 28, and the sliding block 36 connected with the fourth swinging plate 34 is also in a static state and cannot slide relative to the guide rail 28; the guide rail 28 does not swing under the braking of the friction wheel 37; the fifth swing plate 35 mounted on the slider 36 cannot swing, and the second swing plate 20 connected to the fifth swing plate 35 through the fifth fixed shaft 48 is in a static state and cannot swing, that is, the first swing plate 18 and the sixth swing plate 50 are in a static state, and the two brackets 17 connected to the two sixth swing plates 50 are in a static state and cannot swing; namely, the two front wheels 3 are locked to rotate and cannot swing, and only can walk along a straight line.
In the present invention, when the adjusting lever 9 is controlled to move, the adjusting lever 9 pulls the pulling rope 11 mounted thereon to move, the pulling rope 11 moves to pull the sliding rod 26 to move towards the adjusting lever 9, the sliding rod 26 moves to drive the driving U-shaped plate 47 to move towards the adjusting lever 9, the driving U-shaped plate 47 moves to drive the fourth fixed shaft 46 and the fifth fixed shaft 48 to move, as shown in a in fig. 25, the fourth fixed shaft 46 moves to drive the third swinging plate 33 to rotate around the first fixed shaft 32, as shown in b in fig. 25, the third swinging plate 33 rotates to drive the fourth swinging plate 34 to swing, breaking the self-locking state of the fourth swinging plate 34 and the third swinging plate 33, the swinging of the fourth swinging plate 34 drives the sliding block 36 to swing, so that the sliding block 36 slides in the guide rail 28 towards the side where the fourth fixed shaft 46 is mounted, because in the initial state, the friction wheel 37 mounted on the first fixed shaft 32 has a braking effect on the guide rail 28 through the braking, the guide rail 28 cannot swing, and the fourth fixed shaft 46 cannot drive the guide rail 28 to rotate around the first fixed shaft 32 through the fourth swing plate 34; however, once the slider 36 starts moving, the brake lever 27 is moved, so that the friction plate 40 installed on the brake lever 27 is gradually separated from the friction wheel 37 installed on the first fixed shaft 32, the friction wheel 37 gradually loses the restriction on the brake lever 27, and when the friction wheel 37 completely loses the restriction on the guide rail 28, as shown in a in fig. 26, the fourth fixed shaft 46 can drive the guide rail 28 to rotate around the first fixed shaft 32 through the fourth swinging plate 34, that is, one side of the slider 36 slides along the guide rail 28 and the other side swings around the first fixed shaft 32 under the driving of the guide rail 28; in the present invention, since the rotary damper 6 is installed between the guide rail 28 and the first fixed shaft 32, the swing of the guide rail 28 lags behind the swing of the fourth swing plate 34; a third return spring 29 installed between the guide rail 28 and the fourth swing plate 34 is extended; the slider 36 moves to drive the fifth swinging plate 35 to swing, and simultaneously the U-shaped plate 47 is driven to move to drive the fifth fixed shaft 48 to move, the fifth fixed shaft 48 moves to provide a swinging direction for the swinging of the fifth swinging plate 35, and the fifth swinging plate 35 swings to drive the second swinging plate 20 to swing; the swing of the second swing plate 20 can lead the front wheel 3 to swing, thus realizing the steering function; because of the action of the rotary damper 6, when the fourth swing plate 34 swings to a certain angle, and the cart is turned, the guide rail 28 does not swing in time to be parallel to the fourth swing plate 34, in this state, under the action of the corresponding third return spring 29, the guide rail 28 will gradually swing toward the fourth swing plate 34, in the swing process of the guide rail 28, the slider 36 will gradually slide toward the side away from the first fixed shaft 32 under the action of the fourth return spring 41, the slider 36 will move to drive the fifth swing plate 35 to rotate around the fifth fixed shaft 48, and at the same time, the slider 36 will move to drive the fourth swing plate 34 to rotate around the fourth fixed shaft 46, as shown in b in fig. 26, when the guide rail 28 swings to be parallel to the fourth swing plate 34, the fourth swing plate 34 will also just swing to be 180 degrees to the third swing plate 33, and the fourth swing plate 34 and the third swing plate 33 reach a self-locking state, the friction wheel 37 is in contact fit with the friction sheet on the brake lever 27, the friction wheel 37 limits the guide rail 28, namely, the guide rail 28 and the fourth swinging plate 34 are in a relatively static state, and the front wheel 3 is locked in the rotating direction; that is, if the cart is stopped in the steering process, the steering of the front wheels 3 can be locked, and the cart cannot swing due to external force, so that the cart moves, and particularly on a road surface with a slope, the front wheels 3 can swing on the slope due to the fact that articles borne on the cart are heavy and the inertia is large, and the cart loses the brake.
The rotary damper uses a prior art product.
As shown in fig. 5 and 6, the push frame 2 is provided with a pull rope hole 8, and as shown in fig. 10 and 12, one end of each of two segments of pull ropes 11 is mounted on the adjusting rod 9, and the other end passes through the pull rope hole 8 on the push frame 2 to be connected with the slide bar 26.
As shown in fig. 8, a first fixing block 12 is installed on the lower side of the rear end of the base plate 1, and two rear wheels 5 are symmetrically installed at both ends of the first fixing block 12.
As shown in fig. 9, the fifth fixing plate 51 is mounted on the lower side of the second fixing block 15 by three fixing cylinders 16 which are uniformly distributed.
As shown in fig. 9, the mounting block 21 is fixedly mounted on the second fixing block 15 through a fixing support 14; two first fixed plates 19 are symmetrically arranged at two ends of the upper side of the first swinging plate 18; one ends of the two second return springs 13 are symmetrically and fixedly installed at both sides of the installation block 21, and the other ends of the two second return springs 13 are respectively installed on the two first fixing plates 19.
As shown in fig. 3 and 12, two first guide wheels 22 are symmetrically and fixedly mounted on the lower side of the rear end of the base plate 1; two second guide wheels 23 are symmetrically arranged on the lower side of the bottom plate 1; as shown in fig. 14 and 15, the two segments of the pull rope 11 are respectively connected with the slide bar 26 by passing around the first guide wheel 22 and the second guide wheel 23 which are positioned on the same side; the first guide pulley 22 and the second guide pulley 23 guide the rope 11.
As shown in fig. 16 and 17, a second fixing plate 24 is mounted on the lower side of the base plate 1; the two guide sleeves 31 are respectively installed at both ends of the second fixing plate 24 through a third fixing plate 25.
As shown in fig. 22, two fourth fixing plates 30 are symmetrically installed at both ends of the guide rail 28; one ends of the two third return springs 29 are symmetrically installed on both side surfaces of the fourth swing plate 34, and the other ends of the two third return springs 29 are installed on the corresponding two fourth fixed plates 30.
As shown in fig. 21, two sliding grooves 42 are symmetrically formed inside the guide rail 28, two guide blocks 43 are symmetrically mounted on both sides of the slider 36, and the slider 36 is mounted in the guide rail 28 by the sliding engagement of the two guide blocks 43 and the two sliding grooves 42.
As shown in fig. 24, two elastic pieces 49 are symmetrically installed on the inner side surface of the end of the driving U-shaped plate 47, which is engaged with the fifth fixed shaft 48, and the elastic pieces 49 are used to prevent the parts of the cart from loosening after a long time use, in this state, the front wheel 3 may slightly swing after receiving an external force, the front wheel 3 swings to swing the fifth fixed shaft 48, the driving U-shaped plate 47 is tightly contacted with the fourth fixed shaft 46 through the elasticity of the two elastic pieces 49, and the driving U-shaped plate 47 cannot continue to play a role of restricting the swing of the fifth fixed shaft 48 when the fifth fixed shaft 48 slightly swings.
In summary, the following steps:
the front wheels 3 and the rear wheels 5 of the cart both adopt traditional walking wheels, the steering function is realized by controlling the swing of the front wheels 3 in the steering process, and compared with the traditional cart adopting four universal wheels, the cart needs less manpower in the steering process and is convenient to operate; compared with a simple trolley with universal wheels only on the front wheels 3 or the rear wheels 5, the trolley can be steered without large force when the trolley is used for straight running on a road surface with a slope or steering in the steering process.
Meanwhile, when the vehicle walks on a ramp, the vehicle turns in a fixed turning direction, and after the vehicle turns and is self-locked, the slope surface of the ramp does not influence the turning force of the wheels; or when the steering process on a flat road meets a bulge, the steering of the front wheel can not be influenced by the bulge after the steering is self-locked, so that the steering is completely controlled and the rod is adjusted, and the aim of saving labor is fulfilled.
If parking on a slope is required, the parking method has two types, the first type: firstly, the cart is rotated to be in a transverse arrangement state with the slope surface in the inclination direction, the front wheels are arranged in a right direction, and the cart can be placed on the slope after the cart is steered and self-locked; and the second method comprises the following steps: when the front wheel has certain angle of turning when parkking, wait for the short time after, under the effect of corresponding third reset spring, the guide rail can draw close the swing to the fourth wobble plate gradually for the fourth wobble plate just in time swings to become 180 degrees pendulum straight state with the third wobble plate, fourth wobble plate and third wobble plate reach self-locking state, the steering ability of front wheel is deadlocked, later promote the regulation shallow, make the shallow be in balanced state and advance promptly and retreat all be the position department on uphill, accomplish the parking promptly.
Compared with a traditional cart used in the medical field, the cart can be used for carrying some medical heavy objects, and is more convenient and labor-saving to use than the traditional medical cart with universal wheels.
The specific working process is as follows: when the medical cart designed by the invention is used, the steering capacity of the front wheels 3 is locked through self-locking of the fourth swing plate 34 and the third swing plate 33 in the process of straight line walking of the medical cart, the medical cart cannot easily swing, and the cart can normally and linearly walk; when the steering wheel is turned, firstly, the adjusting rod 9 is controlled to move, the adjusting rod 9 pulls the pull rope 11 mounted thereon to move, the pull rope 11 moves to pull the sliding rod 26 to move towards the moving direction of the adjusting rod 9, the sliding rod 26 moves to drive the driving U-shaped plate 47 to move towards the moving direction of the adjusting rod 9, the driving U-shaped plate 47 moves to drive the fourth fixed shaft 46 and the fifth fixed shaft 48 to move, the fourth fixed shaft 46 moves to drive the third swinging plate 33 to rotate around the first fixed shaft 32, the third swinging plate rotates to drive the fourth swinging plate 34 to swing, the self-locking state of the fourth swinging plate 34 and the third swinging plate 33 is broken, the fourth swinging plate 34 swings to drive the sliding block 36 to swing, so that the sliding block 36 slides in the guide rail 28 towards the side where the fourth fixed shaft 46 is mounted, and in the initial state, the friction wheel 37 mounted on the first fixed shaft 32 has a braking effect on, the guide rail 28 cannot swing, and the fourth fixed shaft 46 cannot drive the guide rail 28 to rotate around the first fixed shaft 32 through the fourth swing plate 34; however, once the slider 36 starts to move, the brake lever 27 is driven to move, so that the friction plate 40 installed on the brake lever 27 is gradually separated from the friction wheel 37 installed on the first fixed shaft 32, the friction wheel 37 gradually loses the restriction on the brake lever 27, and when the friction wheel 37 completely loses the restriction on the guide rail 28, the fourth fixed shaft 46 can drive the guide rail 28 to rotate around the first fixed shaft 32 through the fourth swinging plate 34, i.e. the slider 36 slides along the guide rail 28 on one side and swings around the first fixed shaft 32 under the driving of the guide rail 28 on the other side; meanwhile, the fifth fixed shaft 48 is driven to move by driving the U-shaped plate 47 to move, the fifth fixed shaft 48 moves to provide a swinging direction for the swinging of the fifth swinging plate 35, and the fifth swinging plate 35 swings to drive the second swinging plate 20 to swing; the swing of the second swing plate 20 causes the front wheel 3 to swing, thereby achieving the steering function. After the steering amplitude is maintained for a short time, when the guide rail 28 swings to be parallel to the fourth swinging plate 34, the fourth swinging plate 34 also just swings to be in a 180-degree straight swinging state with the third swinging plate 33, the fourth swinging plate 34 and the third swinging plate 33 reach a self-locking state, the friction wheel 37 is in contact fit with the friction sheet on the brake lever 27, the friction wheel 37 limits the guide rail 28, namely the guide rail 28 and the fourth swinging plate 34 are in a relative static state, and the steering function of the front wheel 3 is locked; namely, if the cart stops in the steering process, the steering of the front wheels 3 can be locked, and the steering of the front wheels can not be influenced by the ground bulge or the ramp after the cart is steered and self-locked, so that the steering is completely controlled and the rod is adjusted, and the aim of saving labor is fulfilled.
Claims (7)
1. A shallow that medical field was used which characterized in that: the steering mechanism comprises a bottom plate, a pushing frame, front wheels, a steering mechanism and rear wheels, wherein the two front wheels are symmetrically arranged on the lower side surface of the front end of the bottom plate, and the two rear wheels are symmetrically arranged on the lower side surface of the rear end of the bottom plate; the steering mechanism is arranged on the lower side of the bottom plate; a pushing frame is arranged on the upper side surface of the rear end of the bottom plate;
the push frame is provided with two symmetrically distributed fixed sleeves, two ends of the adjusting rod are nested in the two fixed sleeves, and a first reset spring is respectively arranged between each of the two ends of the adjusting rod and the inner end surface of the corresponding fixed sleeve;
a fifth fixing plate is fixedly arranged on the lower side of the rear end of the bottom plate through a second fixing block; the two front wheels are respectively installed at two ends of the fifth fixing plate through a bracket, and the two brackets are respectively in running fit with the fifth fixing plate;
the steering mechanism comprises a first swing plate, a second return spring, a sliding rod, a brake rod, a guide rail, a third return spring, a guide sleeve, a third swing plate, a fourth swing plate, a fifth swing plate, a sliding block, a friction wheel, a friction plate, a fourth return spring, a driving U-shaped plate and a rotary damper, wherein one ends of the two sixth swing plates are fixedly arranged on two supports for mounting the front wheel respectively, and two ends of the first swing plate are connected with the other ends of the two sixth swing plates in a hinged mode respectively; two second return springs are symmetrically arranged between the two ends of the first swing plate and the bottom plate; one end of the second swinging plate is fixedly arranged at the lower side of the first swinging plate; the upper end of the first fixed shaft is fixedly arranged on the lower side surface of the bottom plate, the friction wheel is arranged on the first fixed shaft, one end of the guide rail is arranged on the first fixed shaft in a rotating fit manner, and a rotary damper is arranged between the guide rail and the first fixed shaft; the sliding block is arranged on the guide rail in a sliding fit manner, and a fourth reset spring is arranged between the sliding block and the inner end face of one end, close to the first fixed shaft, of the guide rail; the upper end of the sliding block is provided with a second fixed shaft, the lower end of the sliding block is provided with a third fixed shaft, one end of the brake rod is fixedly arranged on the second fixed shaft, the other end of the brake rod is provided with a mounting semi-ring, and the mounting semi-ring is positioned on one side of the first fixed shaft, which is far away from the sliding block; the installation semi-ring is provided with an arc-shaped rubber sheet, and the inner cambered surface of the rubber sheet is provided with a friction plate; the friction sheet is matched with the friction wheel; one end of the third swinging plate is arranged at the lower end of the first fixed shaft, the upper end of the fourth fixed shaft is arranged at the other end of the third swinging plate, one end of the fourth swinging plate is arranged at the lower end of the fourth fixed shaft, and the other end of the fourth swinging plate is arranged at the upper end of the third fixed shaft; the fifth fixed shaft is arranged at the other end of the second swinging plate, and the second swinging plate is positioned at the upper end of the fifth fixed shaft; one end of the fifth swinging plate is arranged at the lower end of the fifth fixed shaft, and the other end of the fifth swinging plate is arranged at the lower end of the third fixed shaft; two third return springs are symmetrically arranged between the fourth swing plate and the guide rail; the two guide sleeves are symmetrically arranged on the lower side of the bottom plate, two ends of the sliding rod are nested on the two guide sleeves, the driving U-shaped plate is fixedly arranged on the sliding rod, the driving U-shaped plate is matched with the lower end of the fourth fixed shaft, and the driving U-shaped plate is matched with the upper end of the fifth fixed shaft;
the two ends of the adjusting rod are connected with the two ends of the sliding rod through two pull ropes;
the push frame is provided with a pull rope hole, one end of each of the two pull ropes is arranged on the adjusting rod, and the other end of each of the two pull ropes penetrates through the pull rope hole on the push frame to be connected with the slide rod;
a first fixed block is arranged on the lower side surface of the rear end of the bottom plate, and two rear wheels are symmetrically arranged at two ends of the first fixed block;
the fifth fixing plate is arranged on the lower side of the second fixing block through three fixing cylinders which are uniformly distributed.
2. The cart for use in the medical field according to claim 1, wherein: the mounting block is fixedly mounted on the second fixing block through a fixing support; two first fixing plates are symmetrically arranged at two ends of the upper side of the first swinging plate; one ends of the two second return springs are symmetrically and fixedly arranged at two sides of the mounting block, and the other ends of the two second return springs are respectively arranged on the two first fixing plates.
3. The cart for use in the medical field according to claim 1, wherein: two first guide wheels are symmetrically arranged on the lower side of the rear end of the bottom plate; two second guide wheels are symmetrically arranged on the lower side of the bottom plate; the two sections of pull ropes are respectively connected with the sliding rod by bypassing the first guide wheel and the second guide wheel which are positioned on the same side.
4. The cart for use in the medical field according to claim 1, wherein: a second fixing plate is arranged on the lower side of the bottom plate; the two guide sleeves are respectively installed at two ends of the second fixing plate through a third fixing plate.
5. The cart for use in the medical field according to claim 1, wherein: two fourth fixing plates are symmetrically arranged at two ends of the guide rail; one ends of the two third return springs are symmetrically arranged on two side surfaces of the fourth swing plate, and the other ends of the two third return springs are arranged on the corresponding two fourth fixed plates.
6. The cart for use in the medical field according to claim 1, wherein: the inner side of the guide rail is symmetrically provided with two sliding grooves, two sides of the sliding block are symmetrically provided with two guide blocks, and the sliding block is arranged in the guide rail through the sliding fit of the two guide blocks and the two sliding grooves.
7. The cart for use in the medical field according to claim 1, wherein: two elastic pieces are symmetrically arranged on the inner side surface of the matched end of the driving U-shaped plate and the fifth fixed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010603529.8A CN111688773B (en) | 2019-08-13 | 2019-08-13 | Shallow that medical field used |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744745.1A CN110356445B (en) | 2019-08-13 | 2019-08-13 | Shallow that medical field used |
| CN202010603529.8A CN111688773B (en) | 2019-08-13 | 2019-08-13 | Shallow that medical field used |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910744745.1A Division CN110356445B (en) | 2019-08-13 | 2019-08-13 | Shallow that medical field used |
Publications (2)
| Publication Number | Publication Date |
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| CN111688773A true CN111688773A (en) | 2020-09-22 |
| CN111688773B CN111688773B (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010603528.3A Active CN111688772B (en) | 2019-08-13 | 2019-08-13 | Cart equipment used in medical field |
| CN202010603529.8A Active CN111688773B (en) | 2019-08-13 | 2019-08-13 | Shallow that medical field used |
| CN201910744745.1A Active CN110356445B (en) | 2019-08-13 | 2019-08-13 | Shallow that medical field used |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010603528.3A Active CN111688772B (en) | 2019-08-13 | 2019-08-13 | Cart equipment used in medical field |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910744745.1A Active CN110356445B (en) | 2019-08-13 | 2019-08-13 | Shallow that medical field used |
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| CN (3) | CN111688772B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2512311A1 (en) * | 1974-04-08 | 1975-10-09 | Rieter Ag Maschf | STEERABLE TRANSPORT CART |
| DE3523698A1 (en) * | 1985-07-03 | 1987-01-08 | Kurt Sistig | Steering device |
| CN1333723A (en) * | 1999-01-11 | 2002-01-30 | Igc(澳大利亚)股份有限公司 | Improved steering system |
| CN2769142Y (en) * | 2005-01-29 | 2006-04-05 | 青岛华天车辆有限公司 | Foldable integrated net cart |
| CN102442334A (en) * | 2010-10-09 | 2012-05-09 | 深圳迈瑞生物医疗电子股份有限公司 | Central control brake system and trolley type movable medical equipment |
| CN206579677U (en) * | 2017-03-07 | 2017-10-24 | 陈忆婷 | One kind is easy to brake telescopic flat bogie |
| CN109050597A (en) * | 2018-09-03 | 2018-12-21 | 深圳市诚朗科技有限公司 | A kind of transport carriage that transport express delivery uses |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW334493B (en) * | 1996-05-14 | 1998-06-21 | Sugatsune Kogyo | Damper for opening or closing a door |
| GB0021526D0 (en) * | 2000-09-01 | 2000-10-18 | Edwards Gary J | Apparatus for steering a castor |
| JP2006298157A (en) * | 2005-04-20 | 2006-11-02 | Sanyo Electric Co Ltd | Auxiliary powered vehicle for cart |
| DE202006016576U1 (en) * | 2006-10-26 | 2008-03-06 | Sonnendorfer, Horst | immobilizer |
| CN201613923U (en) * | 2010-02-26 | 2010-10-27 | 赵明友 | Rear-wheel braking mechanism of hand-moving camera car |
| AU2012201565B2 (en) * | 2011-03-18 | 2015-11-12 | The Raymond Corporation | Mast and integral display mount for a material handling vehicle |
| CN202548435U (en) * | 2012-02-16 | 2012-11-21 | 北京奥美达科技有限公司 | Desktop movable plate locking device for typoscope |
| US9821760B2 (en) * | 2013-04-17 | 2017-11-21 | Yingui Sun | Locking device, vehicle seat belt adjusting device, and vehicle seat belt |
| KR101506242B1 (en) * | 2013-08-28 | 2015-03-26 | 주식회사 경일유공압 | Movement device for HCI screw |
| CN103552585A (en) * | 2013-11-06 | 2014-02-05 | 福建强兴婴童用品有限公司 | Four-wheel steering mechanism for baby stroller |
| CN105752201B (en) * | 2016-04-18 | 2018-06-15 | 温州大学 | Portable multifunctional express delivery load-and-carry equipment |
| CN106167035A (en) * | 2016-07-01 | 2016-11-30 | 陈国旭 | Hand-held power transmission dual wheels, narrow wheelspan, trail, the rural area transport vehicle of two gear speed changes |
| CN205971399U (en) * | 2016-08-14 | 2017-02-22 | 王德宇 | Electric cart |
| CN106628117B (en) * | 2016-12-30 | 2023-02-24 | 西安科技大学 | High-speed controllable telescopic wing |
| CN207844064U (en) * | 2017-12-29 | 2018-09-11 | 广西玉柴专用汽车有限公司 | The butt-joint locking device of trash compactor and dustbin |
| CN207955710U (en) * | 2018-01-22 | 2018-10-12 | 福建农林大学 | Logistics distribution trolley |
-
2019
- 2019-08-13 CN CN202010603528.3A patent/CN111688772B/en active Active
- 2019-08-13 CN CN202010603529.8A patent/CN111688773B/en active Active
- 2019-08-13 CN CN201910744745.1A patent/CN110356445B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2512311A1 (en) * | 1974-04-08 | 1975-10-09 | Rieter Ag Maschf | STEERABLE TRANSPORT CART |
| DE3523698A1 (en) * | 1985-07-03 | 1987-01-08 | Kurt Sistig | Steering device |
| CN1333723A (en) * | 1999-01-11 | 2002-01-30 | Igc(澳大利亚)股份有限公司 | Improved steering system |
| CN2769142Y (en) * | 2005-01-29 | 2006-04-05 | 青岛华天车辆有限公司 | Foldable integrated net cart |
| CN102442334A (en) * | 2010-10-09 | 2012-05-09 | 深圳迈瑞生物医疗电子股份有限公司 | Central control brake system and trolley type movable medical equipment |
| CN206579677U (en) * | 2017-03-07 | 2017-10-24 | 陈忆婷 | One kind is easy to brake telescopic flat bogie |
| CN109050597A (en) * | 2018-09-03 | 2018-12-21 | 深圳市诚朗科技有限公司 | A kind of transport carriage that transport express delivery uses |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111688772B (en) | 2021-10-15 |
| CN110356445A (en) | 2019-10-22 |
| CN110356445B (en) | 2020-08-18 |
| CN111688772A (en) | 2020-09-22 |
| CN111688773B (en) | 2021-07-16 |
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Effective date of registration: 20221013 Address after: 311800 No. 16, Wenchuang Road, Fengqiao Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhuji Sanshui Textile Co.,Ltd. Address before: No. 777, Hongwu, Yunxi village, YINGDIAN Street Town, Zhuji City, Shaoxing City, Zhejiang Province, 311817 Patentee before: Zhang Loufeng |
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Denomination of invention: A kind of cart used in the medical field Effective date of registration: 20221016 Granted publication date: 20210716 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhuji Sanshui Textile Co.,Ltd. Registration number: Y2022980018521 |
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