CN210792695U - Well accuse medical treatment wheel structure - Google Patents
Well accuse medical treatment wheel structure Download PDFInfo
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- CN210792695U CN210792695U CN201921154868.1U CN201921154868U CN210792695U CN 210792695 U CN210792695 U CN 210792695U CN 201921154868 U CN201921154868 U CN 201921154868U CN 210792695 U CN210792695 U CN 210792695U
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- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000012946 outsourcing Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000002146 bilateral effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- 230000007306 turnover Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a well accuse medical treatment wheel structure. It includes the truckle subassembly, brake subassembly and link assembly, the brake subassembly includes the brake block, brake frame and frame film, be equipped with frame mounting spring and brake set screw on the brake frame, the brake frame passes through frame mounting spring and installs on the truckle subassembly, make brake frame and truckle subassembly separation under normal condition, the brake block is arranged in on the truckle subassembly, the brake block passes through the brake set screw and installs in the brake frame, be convenient for the installation and the dismantlement of brake block, make things convenient for the maintenance in later stage, the top at the brake frame is installed to the frame film, link assembly installs in the truckle subassembly and cooperatees with the frame film, link assembly passes through the frame film and acts on the brake frame, make the atress of brake block more even. The utility model has the advantages that: the safety and reliability are greatly improved, and the service life of the hollow medical wheel is greatly prolonged.
Description
Technical Field
The utility model relates to a medical truckle is related to technical field, especially indicates a well accuse medical wheel structure.
Background
The medical caster is a special caster which is suitable for the characteristics of light operation, flexible steering, large elasticity, special ultra-silence, wear resistance, winding prevention, chemical corrosion resistance and the like required by hospitals. Mainly comprises light casters (a chrome-plated support circular inserted bar caster, a chrome-plated support hollow rivet caster, a chrome-plated support screw rod caster and a chrome-plated support bottom plate caster); metal bracket type casters (screw rod type, hollow rivet type, insertion rod type, bottom plate type); all-plastic support casters (movable/fixed type, screw rod stainless steel type, insertion rod type, bottom plate type); medical double-wheel caster wheels (economic screw rod type, movable/fixed type and inserted rod type); well accuse truckle and medical package cover fold the truckle of stopping, can all-round satisfy various environmental requirements of medical treatment.
In the existing medical caster, especially for control, a rotating shaft in the central control caster is generally braked by a link mechanism, and the brake operation usually causes certain abrasion on the rotation and even has certain influence on the service life of the rotating shaft.
SUMMERY OF THE UTILITY MODEL
The utility model provides a well accuse medical wheel structure of safe and reliable and long service life in order to overcome exist foretell not enough among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a well accuse medical treatment wheel structure, includes truckle subassembly, brake assembly and link assembly, brake assembly include brake block, brake frame and frame film, brake frame on be equipped with frame mounting spring and brake set screw, brake frame pass through frame mounting spring and install on the truckle subassembly, the brake block arrange in on the truckle subassembly, the brake block pass through brake set screw and install in brake frame, the frame film install the top at brake frame, link assembly install in the truckle subassembly and cooperate with the frame film.
The brake block is arranged on the caster wheel assembly, and when the brake block is not used, the brake frame is not contacted with the caster wheel assembly through the design of the frame fixing spring, so that the brake block arranged in the brake frame is not contacted with the caster wheel assembly, and the whole central control medical wheel structure is normally used; and when needing the locking, act on the frame film through link assembly, and the frame film is arranged in on the brake frame, so brake frame downstream, make the brake block in the brake frame contact with the truckle subassembly, realize the locking brake to the truckle subassembly, frame mounting spring is compressed this moment, when link assembly does not act on the frame film, frame mounting spring automatic re-setting realizes the rotation of whole well accuse medical wheel structure, design the brake block like this and only act on the surface of truckle subassembly so can improve the fail safe nature of truckle subassembly in, can also improve the life of truckle subassembly.
Preferably, the caster assembly comprises an inner core, an outer cover, a left side cover, a left fork leg piece, a right side cover and a right fork leg piece, a through hole is arranged in the middle of the inner core, a caster bearing is arranged in the through hole, a hollow wheel shaft is arranged in the caster bearing, the outer cover is arranged on the outer side of the inner core, limiting grooves are arranged on the left side surface and the right side surface of the caster bearing, limiting convex rings matched with the limiting grooves are arranged on the left fork leg piece and the right fork leg piece, the left fork leg piece and the right fork leg piece are arranged on the left side and the right side of the inner core through the matching of the limiting convex rings and the limiting grooves, positioning grooves are arranged on the left side surface and the right side surface of the caster bearing and between the caster bearing and the inner core, positioning flanges matched with the positioning grooves are arranged on the left side cover and the right side cover, a hollow shaft matched with the hollow wheel shaft is arranged in the middle of the left, the left fork foot piece is arranged between the left side cover and the inner core, the right fork foot piece is arranged between the right side cover and the inner core, the hollow shaft of the left side cover penetrates through the limiting convex ring of the left fork foot piece to be installed on the hollow wheel shaft, the hollow shaft of the right side cover penetrates through the limiting convex ring of the right fork foot piece to be installed on the hollow wheel shaft, and the brake assembly is installed between the left fork foot piece and the right fork foot piece. Through the structural design of truckle subassembly, can protect the truckle bearing not impaired through the design of positioning groove and location bulge loop on left side fork foot piece and the right side fork foot piece, can conveniently inject the position of inner core through the design of location turn-ups in left side cover and the right side cover and the cooperation of hollow axle and hollow shaft.
Preferably, the structure of the left fork leg piece is consistent with that of the right fork leg piece, the left fork leg piece and the right fork leg piece are in bilateral symmetry distribution, the structure of the left side cover is consistent with that of the right side cover, the left side cover and the right side cover are in bilateral symmetry distribution, the outer sides of the upper ends of the left fork leg piece and the right fork leg piece are provided with fork leg fixing sleeves, the left fork leg piece and the right fork leg piece are fixed together through the fork leg fixing sleeves, the upper ends of the left side cover and the right side cover are provided with upper covers, the left side cover and the right side cover are fixed together through the upper covers, the left side cover and the right side cover the whole inner core, the brake block is arranged on the outer surface of the outer package, the left outer side surface and the right outer side surface of the brake frame are both provided with spring mounting seats, the spring mounting seats are provided with frame fixing springs, the brake frame is respectively arranged on the left fork leg piece and the right fork leg piece through the frame fixing springs, the left side and the right side of the frame bottom sheet are both provided with buckles, and the frame bottom sheet is installed on the brake frame through the buckles. Through the design of above-mentioned structure, can effectual protection inner core.
As preferred, link assembly include cavity main shaft, main shaft bearing, main shaft base and brake link assembly, brake link assembly install on the cavity main shaft, main shaft bearing arrange in between left fork foot piece and the right fork foot piece, the cavity main shaft install on main shaft bearing, main shaft bearing's lower terminal surface is equipped with the bearing stationary blade, the bearing stationary blade install between left fork foot piece and right fork foot piece, main shaft base install on the side of cavity main shaft and arrange main shaft bearing's up end in, main shaft base's top is equipped with the bearing card, the bearing card arrange in the upper cover, main shaft bearing's lower terminal surface is arranged in on the bearing stationary blade, main shaft bearing's up end is installed in the upper cover through main shaft base and bearing card. Through the design of the connecting rod assembly, the rotation of the hollow main shaft can be realized, and the adjustment of the whole hollow medical wheel is facilitated.
Preferably, brake link assembly include brake connecting rod, main shaft sheath, connecting rod spring, connecting rod joint, brake cam and sheath stationary blade, the brake connecting rod install in the inside of cavity main shaft, the lower extreme of brake connecting rod is arranged in between frame film and the bearing stationary blade, connecting rod spring install on the brake connecting rod, the connecting rod connect and install the upper end at the brake connecting rod, the main shaft sheath install the outside at the cavity main shaft, brake connecting rod, connecting rod spring, connecting rod joint and brake cam all arrange the main shaft sheath in, the brake cam arrange the top of connecting rod joint in and contact with the connecting rod joint, the lower extreme of main shaft sheath is installed on the upper cover, the sheath stationary blade install the upper end at the main shaft sheath. Through the design of brake connecting rod subassembly, can conveniently realize the brake of whole well accuse medical wheel structure.
Preferably, a positioning plate is arranged on the lower end face of the brake connecting rod, a positioning frame is arranged on the upper end face of the positioning plate, a plurality of protrusions are uniformly distributed on the lower end face of the positioning plate, concave holes corresponding to the protrusions are formed in the frame bottom plate, the positioning plate is installed on the frame bottom plate through the cooperation of the protrusions and the concave holes, positioning holes matched with the positioning frame are formed in the bearing fixing plate, positioning round holes corresponding to the brake connecting rod are formed in the frame bottom plate, the diameter of the lower half portion of the brake connecting rod is larger than that of the upper half portion of the brake connecting rod, a connecting rod limiting groove is formed in the side face of the lower half portion of the brake connecting rod, the connecting rod spring is installed on the upper half portion of the brake connecting rod, an installation block is arranged on the upper end face of the brake connecting rod, a through hole is formed in, the connecting rod joint is arranged on the brake connecting rod through the mounting block and the mounting hole. Through the design of brake connecting rod, can effectual realization brake when braking, stability is high moreover.
As preferred, the latter half diameter of cavity main shaft is less than the first half diameter of cavity main shaft, the latter half of cavity main shaft is installed on main shaft bearing, the main shaft pedestal mounting in the latter half outside of cavity main shaft and arrange the first half combination department of the latter half of cavity main shaft and cavity main shaft in, the upper end side of the first half of cavity main shaft is equipped with the annular, the inboard of main shaft sheath be equipped with annular assorted sand grip, be equipped with on the inner wall of cavity main shaft with connecting rod spacing groove assorted connecting rod stopper. Through the design of above-mentioned structure, can make things convenient for the installation location of cavity main shaft.
Preferably, a through hole is formed in the middle of the bearing clamping piece, the lower end of the spindle sheath penetrates through the upper cover and then is in interference fit with the through hole of the bearing clamping piece, a plurality of first protection holes are formed in the side face of the spindle sheath, the first protection holes are formed in the same plane and are arranged below the annular raised line, a second protection hole is formed in the side face of the hollow spindle, the first protection holes and the second protection holes are arranged on the same axis, a thread protection plug is arranged in each first protection hole and is arranged in each second protection hole after penetrating through the first protection hole, a groove for installing a connecting rod joint is formed in the inner side of the spindle sheath, the connecting rod joint is in sliding connection with the spindle sheath, an adjusting hole is formed in the side face of the upper end of the spindle sheath, the brake cam is installed in the spindle sheath and is arranged at the position of the adjusting hole, the spindle sheath is characterized in that a clamping block is arranged on the upper end face of the spindle sheath, a clamping hole matched with the clamping block is formed in the sheath fixing piece, and the sheath fixing piece is installed on the spindle sheath through the matching of the clamping block and the clamping hole. Through the design of above-mentioned structure, can conveniently control the protection of medical wheel structure in whole, reduce the wearing and tearing of whole cavity medical wheel, fail safe nature improves.
Preferably, a flanging is arranged on the side face of the connecting rod connector, one end of the connecting rod spring is arranged on the flanging of the connecting rod connector, a convex top is arranged at the upper end of the connecting rod connector, a concave pit matched with the convex top is arranged on the side face of the brake cam, a hexagonal hole is arranged in the middle of the brake cam, and the hexagonal hole and the adjusting hole are on the same axis. Through the design of above-mentioned structure, the operation to hollow medical wheel is convenient.
The utility model has the advantages that: can effectual protection inner core and brake group price for the fail safe nature of accuse medical treatment in whole promotes greatly, and the brake block uses with the cooperation of outsourcing, can effectual reduction to the wearing and tearing of accuse medical wheel structure in whole, thereby increases substantially the life of this cavity medical treatment wheel.
Drawings
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
fig. 2 is a schematic sectional structure of the present invention.
In the figure: 1. the brake device comprises a brake cam, 2. a clamping block, 3. a groove, 4. an annular convex strip, 5. a thread protection plug, 6. a positioning frame, 7. an upper cover, 8. a main shaft base, 9. a hollow main shaft, 10. a main shaft bearing, 11. a left fork leg piece, 12. a brake block, 13. a left side cover, 14. a hollow shaft, 15. a positioning flange, 16. a limiting convex ring, 17. a limiting groove, 18. an inner core, 19. an outer cover, 20. a caster bearing, 21. a positioning groove, 22. a hollow wheel shaft, 23. a right side cover, 24. a right fork leg piece, 25. a frame fixing spring, 26. a brake fixing screw, 27. a brake frame, 28. a buckle, 29. a frame bottom piece, 30. a bearing fixing piece, 31. a fork leg fixing sleeve, 32. a second protection hole, 33. an annular groove, 34. a bearing clamping piece, 35. a first protection hole, 36. a positioning plate, 37. a brake connecting rod, 38. a connecting rod limiting groove, 40. the main shaft comprises a main shaft sheath, 41. a connecting rod spring, 42. a connecting rod joint, 43. a convex top, 44. a concave pit, 45. a sheath fixing sheet, 46. a mounting block and 47. a clamping hole.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
In the embodiment shown in fig. 1 and 2, a central control medical wheel structure comprises a caster wheel assembly, a brake assembly and a connecting rod assembly, wherein the brake assembly comprises a brake block 12, a brake frame 27 and a frame bottom plate 29, the brake frame 27 is provided with a frame fixing spring 25 and a brake fixing screw 26, the brake frame 27 is mounted on the caster wheel assembly through the frame fixing spring 25, make brake frame 27 and truckle subassembly separation under normal condition, brake block 12 arranges the truckle subassembly in on, brake block 12 passes through brake set screw 26 to be installed in brake frame 27, the installation and the dismantlement of brake block 12 of being convenient for make things convenient for the maintenance in later stage, frame film 29 is installed in the top of brake frame 27, link assembly installs in the truckle subassembly and cooperatees with frame film 29, link assembly passes through frame film 29 and acts on brake frame 27 for brake block 12's atress is more even.
The caster component comprises an inner core 18, an outer cover 19, a left side cover 13, a left fork leg piece 11, a right side cover 23 and a right fork leg piece 24, a through hole is arranged in the middle of the inner core 18, a caster bearing 20 is arranged in the through hole, a hollow wheel shaft 22 is arranged in the caster bearing 20, the outer cover 19 is installed on the outer side of the inner core 18, limiting grooves 17 are respectively arranged on the left side surface and the right side surface of the caster bearing 20, limiting convex rings 16 matched with the limiting grooves 17 are respectively arranged on the left fork leg piece 11 and the right fork leg piece 24, the left fork leg piece 11 and the right fork leg piece 24 are installed on the left side and the right side of the inner core 18 through the matching of the limiting convex rings 16 and the limiting grooves 17, on one hand, the design can effectively position the left fork leg piece 11 and the right fork leg piece 24, and also can effectively protect the caster bearing 20, positioning grooves 21 are respectively arranged on the left side surface and the right side surface of the caster bearing 20 and between the caster bearing 20, the positions of the left side cover 13 and the right side cover 23 can be effectively positioned through the positioning groove 21 and the positioning turnover design, hollow shafts 14 matched with the hollow wheel shafts 22 are arranged in the middles of the left side cover 13 and the right side cover 23, the left fork leg piece 11 is arranged between the left side cover 13 and the inner core 18, the right fork leg piece 24 is arranged between the right side cover 23 and the inner core 18, the hollow shaft 14 of the left side cover 13 penetrates through the limiting convex ring 16 of the left fork leg piece 11 to be installed on the hollow wheel shafts 22, the hollow shaft 14 of the right side cover 23 penetrates through the limiting convex ring 16 of the right fork leg piece 24 to be installed on the hollow wheel shafts 22, the design of the hollow shafts 14 and the hollow wheel shafts 22 facilitates the detachment and installation of the left side cover 13 and the right side cover 23, and the brake assembly is installed between the left fork leg piece 11.
The structure of the left fork leg piece 11 is the same as that of the right fork leg piece 24, the left fork leg piece 11 and the right fork leg piece 24 are distributed in bilateral symmetry, the structure of the left side cover 13 is the same as that of the right side cover 23, the left side cover 13 and the right side cover 23 are distributed in bilateral symmetry, the outer sides of the upper ends of the left fork leg piece 11 and the right fork leg piece 24 are provided with a fork leg fixing sleeve 31, the left fork leg piece 11 and the right fork leg piece 24 are fixed together through the fork leg fixing sleeve 31, the left fork leg piece 11 and the right fork leg piece 24 are effectively bound and fixed together, the upper ends of the left side cover 13 and the right side cover 23 are provided with an upper cover 7, the left side cover 13 and the right side cover 23 are fixed together through the upper cover 7, the upper cover 7 is designed to effectively bind and fix the left side cover 13 and the right side cover 23 together, on the other hand, a closed space can be formed, thereby preventing the influence of the external environment on the brake assembly inside, the left side cover 13 and the right side, can the whole inner core 18 of effectual protection, brake block 12 is arranged in on 19's of outsourcing the surface, brake block 12 acts on 19 in outsourcing realizes the brake function on the surface, all be equipped with the spring mount pad on two lateral surfaces about brake frame 27, be equipped with frame fixed spring 25 on the spring mount pad, brake frame 27 passes through frame fixed spring 25 to be installed respectively on left fork foot piece 11 and right fork foot piece 24, the left and right sides of frame film 29 all is equipped with buckle 28, frame film 29 passes through buckle 28 and installs on brake frame 27, make things convenient for the installation and the dismantlement of frame film 29.
The connecting rod component comprises a hollow main shaft 9, a main shaft bearing 10, a main shaft base 8 and a brake connecting rod 37 component, wherein the brake connecting rod 37 component is installed on the hollow main shaft 9, the main shaft bearing 10 is arranged between a left fork foot piece 11 and a right fork foot piece 24, the hollow main shaft 9 is installed on the main shaft bearing 10, a bearing fixing piece 30 is arranged on the lower end face of the main shaft bearing 10, the bearing fixing piece 30 is installed between the left fork foot piece 11 and the right fork foot piece 24, the main shaft bearing 10 is installed and positioned through the bearing fixing piece 30, the main shaft base 8 is installed on the side face of the hollow main shaft 9 and is arranged on the upper end face of the main shaft bearing 10, a bearing clamping piece 34 is arranged above the main shaft base 8, the bearing clamping piece 34 is arranged in the upper cover 7, the lower end face of the main shaft bearing 10 is arranged on the bearing fixing piece 30, the upper end face of the main shaft bearing, the lower end face of the main shaft base 8 supports against the upper end face of the main shaft bearing 10, and the upper end face of the main shaft base 8 supports against the bearing clamping sheet 34, so that the bearing clamping sheet 34 supports against the inner side of the upper cover 7, and the whole main shaft bearing 10 is positioned.
The brake connecting rod 37 assembly comprises a brake connecting rod 37, a main shaft sheath 40, a connecting rod spring 41, a connecting rod joint 42, a brake cam 1 and a sheath fixing sheet 45, wherein the brake connecting rod 37 is arranged inside the hollow main shaft 9, the lower end of the brake connecting rod 37 is arranged between the frame bottom sheet 29 and the bearing fixing sheet 30, the connecting rod spring 41 is arranged on the brake connecting rod 37, the connecting rod joint 42 is arranged at the upper end of the brake connecting rod 37, the main shaft sheath 40 is arranged outside the hollow main shaft 9, the brake connecting rod 37, the connecting rod spring 41, the connecting rod joint 42 and the brake cam 1 are all arranged in the main shaft sheath 40, all parts inside are effectively protected by the main shaft sheath 40, the brake cam 1 is arranged above the connecting rod joint 42 and is contacted with the connecting rod joint 42, the purpose of braking is realized by the rotation of the brake cam 1, the lower end of the main shaft, for securing the spindle sheath 40.
The lower end face of the brake connecting rod 37 is provided with a positioning plate 36, the upper end face of the positioning plate 36 is provided with a positioning frame 6, the lower end face of the positioning plate 36 is provided with a plurality of protrusions which are uniformly distributed, the frame bottom plate 29 is provided with concave holes corresponding to the protrusions, the positioning plate 36 is arranged on the frame bottom plate 29 through the matching of the protrusions and the concave holes, the brake connecting rod 37 can be accurately positioned without relative displacement, and the reliability of braking is ensured, the bearing fixing plate 30 is provided with positioning holes matched with the positioning frame 6, the installation of the brake connecting rod 37 can be facilitated through the matching of the positioning frame 6 and the positioning holes, meanwhile, the displacement stroke of the brake connecting rod 37 can be positioned, the stability of braking is ensured, the frame bottom plate 29 is provided with positioning round holes corresponding to the brake connecting rod 37 and used for limiting the movement stroke of the brake connecting rod 37, the, the side of the latter half of brake connecting rod 37 is equipped with connecting rod spacing groove 38, and connecting rod spring 41 installs on brake connecting rod 37's the first half, is equipped with installation piece 46 on brake connecting rod 37's the up end, and the lower extreme that the connecting rod connects 42 is equipped with the through-hole, be equipped with in the through-hole with installation piece 46 assorted mounting hole, and connecting rod connects 42 and installs on brake connecting rod 37 through installation piece 46 and mounting hole, and the installation and the dismantlement of being convenient for are favorable to the maintenance in later stage.
The diameter of the lower half part of the hollow main shaft 9 is smaller than that of the upper half part of the hollow main shaft 9, the lower half part of the hollow main shaft 9 is installed on a main shaft bearing 10, a main shaft base 8 is installed on the outer side of the lower half part of the hollow main shaft 9 and is arranged at the joint of the lower half part of the hollow main shaft 9 and the upper half part of the hollow main shaft 9, the main shaft bearing 10 is convenient to install and position, an annular groove 33 is arranged on the side surface of the upper end of the upper half part of the hollow main shaft 9, an annular convex strip 4 matched with the annular groove 33 is arranged on the inner side of a main shaft sheath 40, the hollow main shaft 9 can be conveniently positioned and installed in the main shaft sheath 40 through the design of the annular groove 33 and the annular convex strip 4, the hollow main shaft 9 is effectively protected, a connecting rod limiting block, ensuring the reliability of braking.
The middle of the bearing clamping piece 34 is provided with a through hole, the lower end of the main shaft sheath 40 passes through the upper cover 7 and then is in interference fit with the through hole of the bearing clamping piece 34, the side surface of the main shaft sheath 40 is provided with a plurality of first protection holes 35, the first protection holes 35 are on the same plane, the first protection holes 35 are arranged below the annular convex strips 4, the side surface of the hollow main shaft 9 is provided with second protection holes 32, the first protection holes 35 and the second protection holes 32 are on the same axis, the first protection holes 35 are internally provided with thread protection plugs 5, the thread protection plugs 5 pass through the first protection holes 35 and then are arranged in the second protection holes 32, the hollow main shaft 9 can be effectively protected through the design of the thread protection sleeves, the hollow main shaft 9 cannot rotate in the main shaft sheath 40 along with the action of the brake connecting rod 37, thereby reducing the abrasion of the hollow main shaft 9, improving the service life of the whole central control medical wheel structure, the inner side of the main shaft 40 is provided with, the connecting rod joint 42 is connected with the spindle sheath 40 in a sliding mode, an adjusting hole 39 is formed in the side face of the upper end of the spindle sheath 40, the brake cam 1 is installed in the spindle sheath 40 and is arranged at the position of the adjusting hole 39, whether the brake of the whole central control medical wheel structure is achieved through adjustment of the brake cam 1 through the adjusting hole 39 is achieved, a clamping block 2 is arranged on the upper end face of the spindle sheath 40, a clamping hole 47 matched with the clamping block 2 is formed in the sheath fixing piece 45, and the sheath fixing piece 45 is installed on the spindle sheath 40 through matching of the clamping block 2 and the clamping hole 47, so that the spindle sheath is convenient.
The side of the connecting rod joint 42 is provided with a flanging, one end of the connecting rod spring 41 is arranged on the flanging of the connecting rod joint 42, the upper end of the connecting rod joint 42 is provided with a convex top 43, the side of the brake cam 1 is provided with a concave pit 44 matched with the convex top 43, the middle of the brake cam 1 is provided with a hexagonal hole, and the hexagonal hole and the adjusting hole 39 are on the same axis. When the convex top 43 is matched with the concave pit 44, the whole central control medical wheel structure is in a normal use state, and when locking is needed, only the brake cam 1 needs to be adjusted through the adjusting hole 39, so that the convex top 43 leaves the concave pit 44.
When the brake is needed, a hexagonal wrench penetrates through the adjusting hole 39 on the spindle sheath 40 to be connected with the brake cam 1, and the hexagonal wrench is rotated to enable the concave pit 44 on the brake cam 1 not to be matched with the convex top 43 on the connecting rod joint 42, so that the connecting rod joint 42 moves downwards to push the brake connecting rod 37 to move downwards, the lower end of the brake connecting rod 37 acts on the frame bottom sheet 29, the frame bottom sheet 29 acts on the brake frame 27, the brake block 12 in the brake frame 27 is matched with the outer package 19, the brake block 12 and the outer package 19 are locked to form a brake, at the moment, the frame fixing spring 25 is compressed, the brake connecting rod 37 can be positioned through the thread protection plug 5, and the whole hollow medical wheel is enabled to be in a brake state all the time; when the thread protection plug 5 is taken out, the brake frame 27 moves upwards under the action of the frame fixing spring 25, the brake connecting rod 37 moves upwards at the same time, and the connecting rod joint 42 automatically returns to the concave pit 44 of the brake cam 1, so that the free rotation state of the whole central control medical wheel structure is realized.
Claims (9)
1. The utility model provides a well accuse medical treatment wheel structure, characterized by includes truckle subassembly, brake assembly and link assembly, brake assembly include brake block (12), brake frame (27) and frame film (29), brake frame (27) on be equipped with frame mounting spring (25) and brake set screw (26), brake frame (27) install on the truckle subassembly through frame mounting spring (25), brake block (12) arrange in on the truckle subassembly, brake block (12) install in brake frame (27) through brake set screw (26), frame film (29) install the top at brake frame (27), link assembly install in the truckle subassembly and cooperate with frame film (29).
2. The central control medical wheel structure as claimed in claim 1, wherein the caster assembly comprises an inner core (18), an outer cover (19), a left cover (13), a left fork leg piece (11), a right cover (23) and a right fork leg piece (24), a through hole is formed in the middle of the inner core (18), a caster bearing (20) is arranged in the through hole, a hollow wheel shaft (22) is arranged in the caster bearing (20), the outer cover (19) is installed on the outer side of the inner core (18), limiting grooves (17) are formed in the left side surface and the right side surface of the caster bearing (20), limiting convex rings (16) matched with the limiting grooves (17) are arranged on the left fork leg piece (11) and the right fork leg piece (24), the left fork leg piece (11) and the right fork leg piece (24) are installed on the left side and the right side of the inner core (18) through the matching of the limiting convex rings (16) and the limiting grooves (17), the left side surface and the right side surface of the caster bearing (20) are respectively provided with a positioning groove (21) which is arranged between the caster bearing (20) and the inner core (18), the left side cover (13) and the right side cover (23) are respectively provided with a positioning flanging (15) which is matched with the positioning groove (21), the middle parts of the left side cover (13) and the right side cover (23) are respectively provided with a hollow shaft (14) which is matched with the hollow wheel shaft (22), the left fork leg piece (11) is arranged between the left side cover (13) and the inner core (18), the right fork leg piece (24) is arranged between the right side cover (23) and the inner core (18), the hollow shaft (14) of the left side cover (13) passes through the limiting convex ring (16) of the left fork leg piece (11) to be arranged on the hollow wheel shaft (22), and the hollow shaft (14) of the right side cover (23) passes through the limiting convex ring (16) of the right fork leg piece (24) to be arranged on the hollow wheel shaft (22), the brake component is arranged between the left fork leg piece (11) and the right fork leg piece (24).
3. The structure of a central control medical wheel as claimed in claim 2, wherein the structure of the left fork leg piece (11) and the structure of the right fork leg piece (24) are identical, the left fork leg piece (11) and the right fork leg piece (24) are symmetrically distributed, the structure of the left side cover (13) and the structure of the right side cover (23) are identical, the left side cover (13) and the right side cover (23) are symmetrically distributed, the upper outer sides of the left fork leg piece (11) and the right fork leg piece (24) are provided with fork leg fixing sleeves (31), the left fork leg piece (11) and the right fork leg piece (24) are fixed together through the fork leg fixing sleeves (31), the upper ends of the left side cover (13) and the right side cover (23) are provided with an upper cover (7), the left side cover (13) and the right side cover (23) are fixed together through the upper cover (7), and the left side cover (13) and the right side cover (23) cover the whole inner core (18), brake block (12) arrange in on the surface of outsourcing (19), all be equipped with the spring mount pad on two lateral surfaces of the left and right sides of brake frame (27), the spring mount pad on be equipped with frame fixation spring (25), brake frame (27) install respectively on left fork foot piece (11) and right fork foot piece (24) through frame fixation spring (25), the left and right sides of frame film (29) all is equipped with buckle (28), frame film (29) install on brake frame (27) through buckle (28).
4. The central control medical wheel structure according to claim 2 or 3, wherein the connecting rod assembly comprises a hollow main shaft (9), a main shaft bearing (10), a main shaft base (8) and a brake connecting rod assembly, the brake connecting rod assembly is mounted on the hollow main shaft (9), the main shaft bearing (10) is arranged between the left fork leg piece (11) and the right fork leg piece (24), the hollow main shaft (9) is mounted on the main shaft bearing (10), a bearing fixing piece (30) is arranged on the lower end face of the main shaft bearing (10), the bearing fixing piece (30) is mounted between the left fork leg piece (11) and the right fork leg piece (24), the main shaft base (8) is mounted on the side face of the hollow main shaft (9) and is arranged on the upper end face of the main shaft bearing (10), a bearing clamping piece (34) is arranged above the main shaft base (8), the bearing clamping piece (34) is arranged in the upper cover (7), the lower end face of the main shaft bearing (10) is arranged on the bearing fixing piece (30), and the upper end face of the main shaft bearing (10) is arranged in the upper cover (7) through the main shaft base (8) and the bearing clamping piece (34).
5. The central control medical wheel structure as claimed in claim 4, wherein the brake link assembly comprises a brake link (37), a spindle sheath (40), a link spring (41), a link joint (42), a brake cam (1) and a sheath fixing piece (45), the brake link (37) is installed inside the hollow spindle (9), the lower end of the brake link (37) is arranged between the frame bottom piece (29) and the bearing fixing piece (30), the link spring (41) is installed on the brake link (37), the link joint (42) is installed at the upper end of the brake link (37), the spindle sheath (40) is installed outside the hollow spindle (9), and the brake link (37), the link spring (41), the link joint (42) and the brake cam (1) are all arranged in the spindle sheath (40), the brake cam (1) is arranged above the connecting rod joint (42) and is in contact with the connecting rod joint (42), the lower end of the spindle sheath (40) is installed on the upper cover (7), and the sheath fixing piece (45) is installed at the upper end of the spindle sheath (40).
6. The center-controlled medical wheel structure according to claim 5, wherein a positioning plate (36) is arranged on the lower end face of the brake connecting rod (37), a positioning frame (6) is arranged on the upper end face of the positioning plate (36), a plurality of uniformly distributed protrusions are arranged on the lower end face of the positioning plate (36), concave holes corresponding to the protrusions are formed in the frame bottom plate (29), the positioning plate (36) is installed on the frame bottom plate (29) through the cooperation of the protrusions and the concave holes, positioning holes matched with the positioning frame (6) are formed in the bearing fixing plate (30), positioning round holes corresponding to the brake connecting rod (37) are formed in the frame bottom plate (29), the diameter of the lower half portion of the brake connecting rod (37) is larger than that of the upper half portion of the brake connecting rod (37), a connecting rod limiting groove (38) is formed in the side face of the lower half portion of the brake connecting rod (37), connecting rod spring (41) install on the upper half of brake connecting rod (37), be equipped with installation piece (46) on the up end of brake connecting rod (37), the lower extreme that connecting rod connects (42) is equipped with the through-hole, the through-hole in be equipped with installation piece (46) assorted mounting hole, connecting rod connect (42) to install on brake connecting rod (37) through installation piece (46) and mounting hole.
7. The central control medical wheel structure according to claim 6, wherein the lower half diameter of the hollow main shaft (9) is smaller than the upper half diameter of the hollow main shaft (9), the lower half diameter of the hollow main shaft (9) is mounted on the main shaft bearing (10), the main shaft base (8) is mounted outside the lower half diameter of the hollow main shaft (9) and is arranged at the joint of the lower half diameter of the hollow main shaft (9) and the upper half diameter of the hollow main shaft (9), the upper end side surface of the upper half diameter of the hollow main shaft (9) is provided with the annular groove (33), the inner side of the main shaft sheath (40) is provided with the annular protruding strip (4) matched with the annular groove (33), and the inner wall of the hollow main shaft (9) is provided with the connecting rod limiting block matched with the connecting rod limiting groove (38.
8. The structure of a central control medical wheel according to claim 5, wherein a through hole is formed in the middle of the bearing clamping piece (34), the lower end of the spindle sheath (40) is in interference fit with the through hole of the bearing clamping piece (34) after passing through the upper cover (7), a plurality of first protection holes (35) are formed in the side surface of the spindle sheath (40), the first protection holes (35) are in the same plane, the first protection holes (35) are arranged below the annular protruding strip (4), a second protection hole (32) is formed in the side surface of the hollow spindle (9), the first protection holes (35) and the second protection holes (32) are in the same axis, a thread protection plug (5) is arranged in each first protection hole (35), the thread protection plug (5) is arranged in the second protection hole (32) after passing through the first protection hole (35), and a groove (3) for installing a connecting rod joint (42) is formed in the inner side of the spindle sheath (40), connecting rod connect (42) and main shaft sheath (40) sliding connection, the upper end side of main shaft sheath (40) is equipped with regulation hole (39), brake cam (1) install in main shaft sheath (40) and arrange the position department of regulation hole (39) in, be equipped with fixture block (2) on the up end of main shaft sheath (40), sheath stationary blade (45) on be equipped with fixture block (2) assorted card hole (47), sheath stationary blade (45) install on main shaft sheath (40) through the cooperation of fixture block (2) and card hole (47).
9. The central control medical wheel structure as claimed in claim 8, wherein a flange is arranged on the side surface of the connecting rod joint (42), one end of the connecting rod spring (41) is arranged on the flange of the connecting rod joint (42), a convex top (43) is arranged at the upper end of the connecting rod joint (42), a concave pit (44) matched with the convex top (43) is arranged on the side surface of the brake cam (1), a hexagonal hole is arranged in the middle of the brake cam (1), and the hexagonal hole and the adjusting hole (39) are on the same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921154868.1U CN210792695U (en) | 2019-07-22 | 2019-07-22 | Well accuse medical treatment wheel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921154868.1U CN210792695U (en) | 2019-07-22 | 2019-07-22 | Well accuse medical treatment wheel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210792695U true CN210792695U (en) | 2020-06-19 |
Family
ID=71225252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921154868.1U Active CN210792695U (en) | 2019-07-22 | 2019-07-22 | Well accuse medical treatment wheel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210792695U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370864A (en) * | 2019-07-22 | 2019-10-25 | 宁波科盛万向轮有限公司 | Medical treatment wheel is controlled in one kind |
| TWI827439B (en) * | 2023-01-10 | 2023-12-21 | 取德工業股份有限公司 | Caster device |
-
2019
- 2019-07-22 CN CN201921154868.1U patent/CN210792695U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370864A (en) * | 2019-07-22 | 2019-10-25 | 宁波科盛万向轮有限公司 | Medical treatment wheel is controlled in one kind |
| CN110370864B (en) * | 2019-07-22 | 2024-06-21 | 宁波科盛万向轮有限公司 | Central control medical wheel |
| TWI827439B (en) * | 2023-01-10 | 2023-12-21 | 取德工業股份有限公司 | Caster device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Central Control Medical Wheel Structure Effective date of registration: 20231101 Granted publication date: 20200619 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Yuyao sub branch Pledgor: Ningbo Ke Sheng Wanxiang Co.,Ltd. Registration number: Y2023980063260 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200619 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Yuyao sub branch Pledgor: Ningbo Ke Sheng Wanxiang Co.,Ltd. Registration number: Y2023980063260 |