CN113954946B - Central control reset pedal and method thereof - Google Patents
Central control reset pedal and method thereof Download PDFInfo
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- CN113954946B CN113954946B CN202111276985.7A CN202111276985A CN113954946B CN 113954946 B CN113954946 B CN 113954946B CN 202111276985 A CN202111276985 A CN 202111276985A CN 113954946 B CN113954946 B CN 113954946B
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- pedal
- sheet
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- piece
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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
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/0433—Braking mechanisms; Locking devices against movement foot operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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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
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/0457—Braking mechanisms; Locking devices against movement by locking in a braking position
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The invention relates to a central control reset pedal which comprises a rotating rod arranged on an installation frame of a carrier, wherein the left end and the right end of the rotating rod are fixedly connected with a rotating wheel corresponding to the top of a central control caster, a pedal for controlling the rotating rod to rotate is arranged on the rotating rod, the rotating axis of the rotating rod is rotated and reset through a reset spring, a stroke limiting device is arranged between the pedal and the installation frame and used for controlling the treading stroke of the pedal, and the reset spring comprises a torsion spring arranged on the rotating rod. The device can be freely installed at the bottom of a carrier provided with a central control wheel, is suitable for realizing one-key control of a small carrier, can be switched among braking, releasing or straight-going and universal directions, is convenient to control, has a simple structure, and has wide application prospect.
Description
Technical Field
The invention relates to a central control reset pedal and a method thereof, which are suitable for realizing one-key brake control or brake release of a small carrier.
Background
With the wide application of domestic small-sized carriers, such as carts, the requirement for carrier control is continuously increased, and the corresponding requirement is how to realize one-key control instead of one-by-one control.
Currently, no product design for a one-key reset control carrier is available on the market.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a central control reset pedal and a method thereof, which are simple in structure, convenient and efficient.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a well accuse is pedal that resets, is including installing the bull stick on the mounting bracket of carrier, both ends all link firmly with the runner that corresponds well accuse truckle top about the bull stick, install on the bull stick and control its rotatory footboard, its rotation axis carries out the rotation through reset spring and resets, be provided with stroke stop device between footboard and the mounting bracket for the stroke of trampling of control footboard.
Preferably, the stroke limiting device comprises a limiting piece and a reset piece, the reset piece is in a hook shape, a hook part of the reset piece is hinged to the mounting frame towards the front end side and the rear end side, the hinged shaft extends leftwards and rightwards and is provided with a reset piece torsion spring, the reset piece torsion spring is sleeved on the hinged shaft between the reset piece and the hinged support, and the reset piece is fixed at one end of the hinged support and the hinged support is fixed at the other end of the hinged support; the reset sheet is provided with a guide surface on the top surface of the rear side of the hook opening of the hook part, an anti-falling abutting surface on the top surface of the front side of the hook opening, the reset sheet is fixedly connected with a guide sheet which deflects towards the non-limiting sheet side at the inner middle lower rear part of the hook part, the top surface of the guide sheet is a high-surface abutting surface, the limiting sheet side of the guide sheet is a high surface, and the reset sheet is provided with a reset sheet abdicating groove at the inner middle lower front part of the hook part; the deflection direction of the guide sheet is the torsion spring side of the reset sheet.
Preferably, the limiting sheet is riveted or integrally formed at the side part of the pedal bracket of the pedal, the limiting sheet is positioned at the side of the resetting sheet and is fixedly provided with a sheet-shaped bulge, the sheet-shaped bulge is used for being abutted against the guide surface of the resetting sheet or the anti-falling abutting surface or the high surface or the yielding notch, and the rear end part of the sheet-shaped bulge is provided with a chamfer for being abutted against the high surface.
Preferably, the middle part of the rear end side of the carrier is provided with a resetting pedal installation notch, the bottom surface of the installation notch is in threaded connection with a pedal fixing plate, vertical flanges which are vertically bent upwards are symmetrically and fixedly arranged on the middle part of the pedal fixing plate from left to right, bearings are respectively installed on bearing limiting surfaces on the vertical flanges, the rotating rod comprises a function rod which is installed between the left bearing and the right bearing, the function rod is in a regular hexagon shape, a plurality of clamp spring grooves are axially and uniformly distributed on the function rod, the peripheral surface of the function rod, which is used for connecting the bearings, is a cylindrical surface, cylindrical surface clamp ring grooves are respectively arranged on the cylindrical surface, and flat positions are respectively and fixedly arranged at the end parts of the cylindrical surface; both ends all have the hexagonal stick through shaft coupling coaxial coupling about the function pole, and wherein one end of hexagonal stick is for being equipped with the face of cylinder in a word groove, and the flat position embedding of function pole is inside the shaft coupling behind the word groove to locking shaft coupling, the hexagonal hole of accuse truckle top runner is controlled in inserting corresponding to the other end of hexagonal stick.
Preferably, the upper surface of the pedal fixing plate is in threaded connection with a U-shaped bearing pressing plate, the bearing pressing plate wraps the vertical flanging inside and is in threaded connection with the vertical flanging at the same side through a screw, a bearing limiting surface of the bearing pressing plate abuts against a bearing, the hinged support is in threaded connection with the bearing pressing plate, and the coupler is located at the outer end side of the bearing pressing plate; inside pedal support extended into the bearing clamp plate forward from bottom to top along the opening between the two perpendicular turn-ups about pedal fixed plate, pedal support top was equipped with the hexagonal hole that wears to establish for the function pole, and pedal support controls the jump ring axial on the jump ring groove spacing about on the function pole, and reset spring includes that coaxial cover establishes the torsional spring on the function pole, and torsional spring one end is fixed on the bearing clamp plate, the other end is fixed on pedal support.
Preferably, the pedal is composed of a pedal bracket and a pedal surface, the pedal bracket is L-shaped, the horizontal plane side of the pedal bracket faces backwards, and the upper surface of the pedal bracket is in threaded connection with the pedal surface; the pedal support is provided with a cylindrical pin in a penetrating mode from left to right in the lower position of the function rod, the left end and the right end of the cylindrical pin are respectively provided with a clamp spring groove embedded with a clamp spring, a tension spring is connected between the cylindrical pin and a bearing pressing plate, the front end of the tension spring is connected with the cylindrical pin, and the rear end of the tension spring is connected with a tension spring positioning hole of a bending portion of the bearing plate.
Preferably, the left and right outer sides of the pedal bracket are symmetrically provided with V-shaped shifting pieces, the bottom ends of the shifting pieces are hinged to the vertical flanging to swing up and down on the front side and the rear side, a shifting piece torsion spring is arranged on the hinged shaft, the left and right ends of the cylindrical pin are abutted to the rear side of the corresponding shifting piece, and the top ends of the shifting pieces extend upwards; the top of the bearing pressing plate is provided with an indicating plate, the top surface of the indicating plate is provided with an OFF indicating mark and a STOP indicating mark which are arranged in front and at back, the left end and the right end of the indicating plate are fixedly provided with sliding guide surfaces, the top surface of the bearing pressing plate is bilaterally symmetrically provided with sliding guide grooves which are all provided with an upper opening, the sliding guide surfaces are all embedded into the sliding guide grooves on the same side to slide back and forth, the indicating plate is bilaterally symmetrically provided with bevel grooves, the top ends of the shifting pieces are inserted into the corresponding bevel grooves from bottom to top, the bevel grooves are all inclined forwards from top to bottom, the middle lower parts of the rear groove walls of the bevel grooves are all bent backwards from top to bottom to form a post-deflection yielding section at the top end of the shifting piece, and the front side of the top end of the shifting piece is provided with a fillet to form a pre-deflection yielding section at the top end of the shifting piece; still the spiro union has a closing cap on the pedal fixed plate, and the closing cap is including bearing pressure plate parcel, and the upper shed of guide chute is sealed to the closing cap top surface, and closing cap top surface middle part is equipped with the observation hole that is used for showing one of them pilot symbol of indicator panel, and both ends face is equipped with the hole of stepping down about the closing cap for the function pole wear to establish the position of stepping down.
Preferably, the return spring includes a torsion spring provided on the rotating rod.
An assembly method of a central control reset pedal is carried out according to the following steps:
step 1: firstly, assembling a pedal bracket, riveting a limiting piece at a limiting piece fixing hole of the pedal bracket through a rivet, sequentially penetrating a cylindrical pin through a pin hole, a tension spring and a pin hole at the other side, clamping a clamp spring groove at two ends of the cylindrical pin by utilizing a clamp spring, and finally fixing a pedal surface at the pedal fixing hole of the pedal bracket;
step 2: the rivet sequentially penetrates through a pin hole at one side of the hinged support, the reset sheet, a reset sheet torsion spring and a pin hole at the other side of the hinged support, and is riveted and fixed, and at the moment, the limit surface at the last side of the reset sheet is butted with the top surface of the hinged support under the action of the torsion spring force of the reset sheet;
and step 3: the hinged support after the step 2 is fixed at a screw hole on the bearing pressure plate by a screw passing through a fixing hole;
and 4, step 4: a driving screw penetrates through a pin hole of the shifting sheet and the shifting sheet torsion spring, is respectively fixed at a screw hole at the bottom of the vertical flanging of the pedal fixing plate, and is locked in a nut for self-locking and fixing;
and 5: the pedal bracket completing the step 1 penetrates through the pedal fixing plate completing the step 4, a functional rod sequentially penetrates through a coupler, a bearing, a hexagonal hole at one side of the pedal bracket, a torsion spring, a hexagonal hole at the other side of the pedal bracket, the bearing and the coupler, a clamp spring is clamped in a cylindrical clamp ring groove, and the bearing is placed on a bearing limiting surface;
step 6: sleeving the bearing pressing plate completing the step 3 into the mechanism completing the step 4, wherein the sheet-shaped bulge of the limiting sheet is positioned on the guide surface of the reset sheet, the bearing limiting surface of the bearing pressing plate is abutted against the bearing, the shifting sheet is abutted against the cylindrical pin, each fixing hole in the bearing pressing plate is aligned with the screw hole of the pedal fixing plate, screws are sequentially locked into the screw holes, the bearing pressing plate is fixed on the pedal fixing plate, and the screws with pads are locked into the screws to abut against the bearing to prevent the bearing from moving left and right;
and 7: one end of a torsional spring of the pedal is pulled towards the upper end of the bearing press plate to enable the torsional spring of the pedal to act, the straight end of a plectrum torsional spring is pulled up and erected on the part of the screw penetrating through the vertical flanging to enable the plectrum torsional spring to act, the other side of the tension spring is pulled open and hung in a tension spring positioning hole at the bending part of the bearing press plate, and the torsional spring of the pedal is assisted to generate sufficient reset force;
and 8: two bevel grooves of the indicating plate are inserted by aligning with the open end at the top of the shifting piece, and the guide sliding surface of the indicating plate is horizontally placed on the guide sliding groove on the bearing pressing plate;
and step 9: covering the sealing cover, locking the sealing cover into a screw hole of the pedal fixing plate to fix the sealing cover on the screw hole, and finishing the assembly of the central control reset pedal mechanism by seeing the indication mark on the indication plate on the observation hole;
step 10: fixing the central control reset pedal mechanism which finishes the step 9 at the bottom of the carrier provided with the central control caster, opening the sealing cover, respectively penetrating the hexagonal rods through the rotor part of the central control caster, aligning one end of the hexagonal rod with the linear groove with the flat position on the functional rod, locking the coupler after inserting the hexagonal rod to the bottom, and installing the sealing cover again to finish the whole machine assembly.
A working method of a central control reset pedal is carried out according to the following steps:
step 1: when a pedal is stepped by a foot and downward rotating force is applied to the pedal support, the function rod is used as a rotating shaft, the sheet-shaped bulge of the limiting piece rotates towards the anti-falling abutting surface along the guide surface of the reset piece, the reset piece rotates downwards until the sheet-shaped bulge abuts against the anti-falling abutting surface, and at the moment, the pedal support is positioned at the maximum angle stroke;
step 2: when the pedal is loosened, the flaky bulges revolve under the action of the tension of the torsional spring and the tension spring of the pedal, the reset sheet simultaneously revolves under the action of the torsional spring of the reset sheet, the flaky bulges can only finally fall into and are clamped on the high-surface abutting surface, the position limiting surface is arranged at the rear upper part of the high-surface abutting surface, the rotation angle of the pedal bracket at the moment is just the rotation angle required by gear shifting of the central control wheel, and the function gear shifting is completed;
and step 3: the pedal is treaded down again to the maximum stroke position, the sheet-shaped bulge leaves the limiting surface of the limiting sheet and the high surface butting surface and falls into the reset sheet abdicating groove; the pedal is loosened, under the action of a reset force, the chamfered inclined plane of the sheet-shaped bulge slides into the high surface of the reset sheet, and then the side of the reset sheet reciprocating position sheet torsion spring is pushed to deviate, so that the limiting sheet is separated from the reset sheet and finally returns to the position of the guide surface, and the reset is completed;
in the process of the steps 1 to 3, the swing of the pedal support is linked with the shifting piece through the cylindrical pin, the swing of the shifting piece drives the top indicating plate to slide back and forth to adjust the position, and the observation hole shows OFF indication or STOP indication in the final gear state.
Compared with the prior art, the invention has the following beneficial effects: the device can be freely installed at the bottom of a carrier provided with a central control wheel, is suitable for realizing one-key brake control or release and the like of a small carrier, is convenient to control, has a simple structure, and has wide application prospect.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a diagram of an embodiment of the present invention.
FIG. 2 is a schematic configuration diagram of an embodiment of the present invention.
Fig. 3 is an exploded view of an embodiment of the present invention.
Fig. 4 is a schematic diagram of a partial explosion of fig. 3.
Fig. 5 is a second partial exploded view of fig. 3.
Fig. 6 is a schematic diagram of the partial explosion of fig. 3.
Fig. 7 is a first partial structural diagram of an embodiment of the invention.
FIG. 8 is a second partial structural diagram of the embodiment of the present invention.
Fig. 9 is a schematic view of a part of the structure of the embodiment of the present invention.
Fig. 10 is a schematic view of the working state of fig. 9.
FIG. 11 is a fourth schematic view of a partial structure according to the embodiment of the present invention.
Fig. 12 is a cross-sectional view of an embodiment of the present invention.
Fig. 13 is a schematic configuration diagram of the function lever.
Fig. 14 is a schematic view of a structure of the reset plate.
Fig. 15 is a schematic structural view of the stopper piece.
Fig. 16 is a schematic view of the construction of the indicator panel.
Fig. 17 is a diagram showing an operating state of the stroke stopper in a normal running state.
FIG. 18 is a diagram of the operation of the travel limiter with the pedal depressed to the low position.
FIG. 19 is a diagram showing the operation of the stroke limiter when the pedal is released to change gears.
Fig. 20 is a diagram showing the operation of the travel limiter when the pedal is depressed again to the low position.
Fig. 21 is a view showing an operating state of the stroke stopper in fig. 20 after the pedal is released.
In the figure: 1-a pedal bracket; 1.1-pin hole; 1.2-hexagonal hole; 1.3-limiting piece fixing holes; 1.4-pedal fixing hole; 2-limiting sheet; 2.1-fixing holes; 2.2 the sheet-like projection; 2.3 chamfering; 3-riveting; 4-cylindrical pins; 4.1-jump ring groove; 5-a clamp spring; 6-bearing pressing plate; 6.1-bearing press plate retention hole; 6.2-screw hole; 6.3-bearing limit surface; 6.4-a guide chute; 6.6-bending part; 6.7-positioning holes of the tension spring; 7-a hinged bracket; 8-a return plate torsion spring; 9-a reset sheet; 9.2-anti-falling resisting surface; 9.3-limiting surface of limiting sheet; 9.4-high surface resisting surface; 9.5-limiting surface; 9.6-reset sheet abdicating groove; 9.7-high side; 9.8-a guide surface; 11-a screw; 12-pedal fixing plate; 12.3-vertical flanging; 12.6-bearing limit surface; 13-plectrum; 14-a paddle torsion spring; 15-plugging a screw; 16-a functional rod; 16.3-cylindrical surface; 16.4-cylindrical snap ring groove; 16.5-flat position; 17-a torsion spring; 18-a bearing; 19-padded screws; 20.1-viewport; 20.2-abdicating holes; 23.3-straight slot; 21-sealing the cover; 23-hexagonal rod; 24-a coupling; 25-a tension spring; 26-an indicator panel; 26.1-bevel groove; 26.2-a slide-guiding surface; 26.3-indicator; 27-a pedal; 28-tread surface; 30-a carrier; 31-central control caster; 32-a guide vane; 33-back escape segment; 34-leading escape bit segment.
Detailed Description
The invention is further explained by the following embodiments in conjunction with the drawings.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1-21, the embodiment provides a central control reset pedal, including installing the bull stick on the mounting bracket of carrier, both ends all link firmly with the runner that corresponds central control truckle top about the bull stick, install the footboard of controlling its rotation on the bull stick, its rotation axis carries out the rotation through reset spring and resets, be provided with stroke stop device between footboard and the mounting bracket for the trampling stroke of control footboard.
In the embodiment of the invention, the stroke limiting device comprises a limiting piece and a reset piece, the reset piece is in a hook shape, the hook part of the reset piece is hinged on the mounting frame towards the front end and the rear end, the hinged shaft extends leftwards and rightwards and is provided with a reset piece torsion spring, the reset piece torsion spring is sleeved on the hinged shaft between the reset piece and the hinged support, and one end of the reset piece torsion spring is fixed with the reset piece, and the other end of the reset piece torsion spring is fixed with the hinged support; the reset sheet is provided with a guide surface on the top surface of the rear side of the hook opening of the hook part, an anti-falling abutting surface on the top surface of the front side of the hook opening, the reset sheet is fixedly connected with a guide sheet which deflects towards the non-limiting sheet side at the inner middle lower rear part of the hook part, the top surface of the guide sheet is a high-surface abutting surface, the limiting sheet side of the guide sheet is a high surface, and the reset sheet is provided with a reset sheet abdicating groove at the inner middle lower front part of the hook part; the deflection direction of the guide sheet is the torsion spring side of the reset sheet.
In the embodiment of the invention, the limiting sheet is riveted or integrally formed at the side part of the pedal bracket of the pedal, the limiting sheet is positioned at the side of the resetting sheet and is fixedly provided with a sheet-shaped bulge, the sheet-shaped bulge is used for abutting against a guide surface or a falling-preventing abutting surface or a high-surface abutting surface or a yielding notch of the resetting sheet, and the rear end part of the sheet-shaped bulge is provided with a chamfer for abutting against the high surface.
In the embodiment of the invention, the middle part of the rear end side of the carrier is provided with a resetting pedal installation notch, the bottom surface of the installation notch is in threaded connection with a pedal fixing plate, vertical flanges which are bent upwards vertically are fixedly arranged in the middle part of the pedal fixing plate in a left-right symmetrical mode, bearings are arranged on bearing limiting surfaces on the vertical flanges, a rotating rod comprises a function rod arranged between the left bearing and the right bearing, the function rod is in a regular hexagon shape, a plurality of clamp spring grooves are axially and uniformly distributed in the function rod, the peripheral surface of the function rod, which is used for connecting the bearings, is a cylindrical surface, cylindrical surface clamp ring grooves are arranged on the cylindrical surface, and flat positions are fixedly arranged at the end parts of the cylindrical surface; both ends all have the hexagonal stick through shaft coupling coaxial coupling about the function pole, wherein one end of hexagonal stick is for being equipped with the face of cylinder in a word groove, and the flat position embedding word groove of function pole is inside the shaft coupling to locking shaft coupling, the hexagonal hole of accuse truckle top runner in the other end insert corresponding of hexagonal stick.
In the embodiment of the invention, the upper surface of the pedal fixing plate is in threaded connection with a U-shaped bearing pressing plate, the bearing pressing plate wraps the vertical flanging inside and is in threaded connection with the vertical flanging at the same side through a screw, the bearing limiting surface of the bearing pressing plate is abutted against a bearing, the hinged support is in threaded connection with the bearing pressing plate, and the coupler is positioned at the outer end side of the bearing pressing plate; inside pedal support extended into the bearing clamp plate forward from bottom to top along the opening between the two perpendicular turn-ups about pedal fixed plate, pedal support top was equipped with the hexagonal hole that wears to establish for the function pole, and pedal support controls the jump ring axial on the jump ring groove spacing about on the function pole, and reset spring includes that coaxial cover establishes the torsional spring on the function pole, and torsional spring one end is fixed on the bearing clamp plate, the other end is fixed on pedal support.
In the embodiment of the invention, the pedal is composed of a pedal bracket and a pedal surface, the pedal bracket is L-shaped, the horizontal plane side of the pedal bracket faces backwards, and the upper surface of the pedal bracket is in threaded connection with the pedal surface; the pedal support is provided with a cylindrical pin in a penetrating mode from left to right in the lower position of the function rod, the left end and the right end of the cylindrical pin are respectively provided with a clamp spring groove embedded with a clamp spring, a tension spring is connected between the cylindrical pin and a bearing pressing plate, the front end of the tension spring is connected with the cylindrical pin, and the rear end of the tension spring is connected with a tension spring positioning hole of a bending portion of the bearing plate.
In the embodiment of the invention, V-shaped shifting pieces are symmetrically arranged on the left outer side and the right outer side of the pedal bracket, the bottom ends of the shifting pieces are hinged on the vertical flanging to swing up and down on the front side and the rear side, a shifting piece torsion spring is arranged on the hinged shaft, the left end and the right end of the cylindrical pin are abutted with the rear side of the corresponding shifting piece, and the top ends of the shifting pieces extend upwards; the top of the bearing pressing plate is provided with an indicating plate, the top surface of the indicating plate is provided with an OFF indicating mark and a STOP indicating mark which are arranged in front and at back, the left end and the right end of the indicating plate are fixedly provided with sliding guide surfaces, the top surface of the bearing pressing plate is bilaterally symmetrically provided with sliding guide grooves which are all provided with an upper opening, the sliding guide surfaces are all embedded into the sliding guide grooves on the same side to slide back and forth, the indicating plate is bilaterally symmetrically provided with bevel grooves, the top ends of the shifting pieces are inserted into the corresponding bevel grooves from bottom to top, the bevel grooves are all inclined forwards from top to bottom, the middle lower parts of the rear groove walls of the bevel grooves are all bent backwards from top to bottom to form a post-deflection yielding section at the top end of the shifting piece, and the front side of the top end of the shifting piece is provided with a fillet to form a pre-deflection yielding section at the top end of the shifting piece; still the spiro union has a closing cap on the pedal fixed plate, and the closing cap is including bearing pressure plate parcel, and the upper shed of guide chute is sealed to the closing cap top surface, and closing cap top surface middle part is equipped with the observation hole that is used for showing one of them pilot symbol of indicator panel, and both ends face is equipped with the hole of stepping down about the closing cap for the function pole wear to establish the position of stepping down.
In an embodiment of the present invention, the return spring includes a torsion spring provided on the rotating rod.
In the embodiment of the present invention, the central control caster is a central control caster with a braking structure, and the central control caster is disclosed in patent No. 201621023181.0.
An assembly method of a central control reset pedal is carried out according to the following steps:
step 1: firstly, assembling a pedal bracket, riveting a limiting piece at a limiting piece fixing hole of the pedal bracket through a rivet, sequentially penetrating a cylindrical pin through a pin hole, a tension spring and a pin hole at the other side, clamping a clamp spring groove at two ends of the cylindrical pin by utilizing a clamp spring, and finally fixing a pedal surface at the pedal fixing hole of the pedal bracket;
step 2: the rivet sequentially penetrates through a pin hole at one side of the hinged support, the reset sheet, a reset sheet torsion spring and a pin hole at the other side of the hinged support, and is riveted and fixed, and at the moment, the limit surface at the last side of the reset sheet is butted with the top surface of the hinged support under the action of the torsion spring force of the reset sheet;
and step 3: the hinged support after the step 2 is fixed at a screw hole on the bearing pressure plate by a screw passing through a fixing hole;
and 4, step 4: a driving screw penetrates through a pin hole of the shifting sheet and the shifting sheet torsion spring, is respectively fixed at a screw hole at the bottom of the vertical flanging of the pedal fixing plate, and is locked in a nut for self-locking and fixing;
and 5: the pedal bracket completing the step 1 penetrates through the pedal fixing plate completing the step 4, a functional rod sequentially penetrates through a coupler, a bearing, a hexagonal hole at one side of the pedal bracket, a torsion spring, a hexagonal hole at the other side of the pedal bracket, the bearing and the coupler, a clamp spring is clamped in a cylindrical clamp ring groove, and the bearing is placed on a bearing limiting surface;
step 6: sleeving the bearing pressing plate completing the step 3 into the mechanism completing the step 4, wherein the sheet-shaped bulge of the limiting sheet is positioned on the guide surface of the reset sheet at the moment, the bearing limiting surface of the bearing pressing plate is abutted against the bearing, the shifting sheet is abutted against the cylindrical pin, the fixing hole of the bearing pressing plate is aligned with the screw hole of the pedal fixing plate, sequentially locking screws into the screw hole, fixing the bearing pressing plate on the pedal fixing plate, and locking the screws with pads to abut against the bearing to prevent the bearing from moving left and right;
and 7: one end of a torsional spring of the pedal is pulled towards the upper end of the bearing press plate to enable the torsional spring of the pedal to act, the straight end of a plectrum torsional spring is pulled up and erected on the part of the screw penetrating through the vertical flanging to enable the plectrum torsional spring to act, the other side of the tension spring is pulled open and hung in a tension spring positioning hole at the bending part of the bearing press plate, and the torsional spring of the pedal is assisted to generate sufficient reset force;
and 8: two bevel grooves of the indicating plate are inserted by aligning with the open end at the top of the shifting piece, and the guide sliding surface of the indicating plate is horizontally placed on the guide sliding groove on the bearing pressing plate;
and step 9: covering the sealing cover, locking the sealing cover into a screw hole of the pedal fixing plate to fix the sealing cover on the screw hole, and finishing the assembly of the central control reset pedal mechanism by seeing the indication mark on the indication plate on the observation hole;
step 10: fixing the central control reset pedal mechanism completing the step 9 at the bottom of the carrier provided with the central control caster through the fixing hole of the pedal fixing plate, opening the sealing cover, respectively penetrating the hexagonal rods through the rotor parts of the central control caster, aligning one end of the hexagonal rod with the linear groove with the flat position on the functional rod, locking the coupler after inserting the hexagonal rod to the bottom, installing the sealing cover back, and completing the whole machine assembly.
A working method of a central control reset pedal is carried out according to the following steps:
step 1: when a pedal is stepped by a foot and downward rotating force is applied to the pedal support, the function rod is used as a rotating shaft, the sheet-shaped bulge of the limiting piece rotates towards the anti-falling abutting surface along the guide surface of the reset piece, the reset piece rotates downwards until the sheet-shaped bulge abuts against the anti-falling abutting surface, and at the moment, the pedal support is positioned at the maximum angle stroke;
step 2: when the pedal is loosened, the flaky bulges revolve under the action of the tension of the torsional spring and the tension spring of the pedal, the reset sheet simultaneously revolves under the action of the torsional spring of the reset sheet, the flaky bulges can only finally fall into and are clamped on the high-surface abutting surface, the position limiting surface is arranged at the rear upper part of the high-surface abutting surface, the rotation angle of the pedal bracket at the moment is just the rotation angle required by gear shifting of the central control wheel, and the function gear shifting is completed;
and 3, step 3: the pedal is treaded down again to the maximum stroke position, the sheet-shaped bulge leaves the limiting surface of the limiting sheet and the high surface butting surface and falls into the reset sheet abdicating groove; the pedal is loosened, under the action of resetting force, the chamfer inclined plane of the sheet-shaped bulge slides into the high surface of the resetting piece, then the side of the resetting piece reciprocating piece torsion spring is pushed to be biased, the limiting piece is separated from the resetting piece, and finally the resetting piece returns to the position of the guide surface to complete resetting;
in the process of the step 1 to the step 3, the swing of the pedal support is linked with the shifting piece through the cylindrical pin, the swing of the shifting piece drives the top indicating plate to slide back and forth to adjust the position, and the observation hole is exposed to OFF indication or STOP indication in the final gear state.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a well accuse pedal that resets which characterized in that: the device comprises a rotating rod arranged on an installation frame of a carrier, wherein the left end and the right end of the rotating rod are fixedly connected with a rotating wheel corresponding to the top of a central control caster, a pedal for controlling the rotating rod to rotate is arranged on the rotating rod, the rotating axis of the rotating rod is rotationally reset through a reset spring, and a stroke limiting device is arranged between the pedal and the installation frame and used for controlling the treading stroke of the pedal; the stroke limiting device comprises a limiting piece and a reset piece, the reset piece is in a hook shape, the hook part of the reset piece is hinged to the mounting frame towards the front end side and the rear end side, the hinged shaft extends leftwards and rightwards and is provided with a reset piece torsion spring, the reset piece torsion spring is sleeved on the hinged shaft between the reset piece and the hinged support, and the reset piece is fixed at one end of the hinged support and the hinged support is fixed at the other end of the hinged support; the reset sheet is provided with a guide surface on the top surface of the rear side of the hook opening of the hook part, an anti-falling abutting surface on the top surface of the front side of the hook opening, the reset sheet is fixedly connected with a guide sheet which deflects towards the non-limiting sheet side at the inner middle lower rear part of the hook part, the top surface of the guide sheet is a high-surface abutting surface, the limiting sheet side of the guide sheet is a high surface, and the reset sheet is provided with a reset sheet abdicating groove at the inner middle lower front part of the hook part; the deflection direction of the guide sheet is the torsion spring side of the reset sheet; the limiting sheet is riveted or integrally formed at the side part of the pedal bracket of the pedal, the limiting sheet is positioned at the side of the resetting sheet and is fixedly provided with a sheet-shaped bulge, the sheet-shaped bulge is used for abutting against a guide surface or a falling prevention abutting surface or a high surface abutting surface or a abdication notch of the resetting sheet, and the rear end part of the sheet-shaped bulge is provided with a chamfer for abutting against the high surface; the middle part of the rear end side of the carrier is provided with a resetting pedal installation notch, the bottom surface of the installation notch is in threaded connection with a pedal fixing plate, vertical flanges which are vertically bent upwards are symmetrically and fixedly arranged on the middle part of the pedal fixing plate in the left-right direction, bearings are evenly installed on bearing limiting surfaces on the vertical flanges, a rotating rod comprises a function rod which is installed between a left bearing and a right bearing, the function rod is in a regular hexagon shape, a plurality of clamp spring grooves are evenly distributed in the function rod in the axial direction, the peripheral surface of the function rod, which is used for connecting the bearings, is a cylindrical surface, cylindrical surface clamp ring grooves are arranged on the cylindrical surface, and flat positions are fixedly arranged at the end parts of the cylindrical surface; the left end and the right end of the function rod are coaxially connected with hexagonal rods through the coupler, one end of each hexagonal rod is a cylindrical surface provided with a linear groove, the flat position of the function rod is embedded into the linear groove and then positioned in the coupler, the coupler is locked, and the other end of each hexagonal rod is inserted into a hexagonal hole corresponding to a rotating wheel at the top of the central control caster; the upper surface of the pedal fixing plate is in threaded connection with a U-shaped bearing pressing plate, the vertical flanging is wrapped in the bearing pressing plate and is in threaded connection with the vertical flanging at the same side through screws, a bearing limiting surface of the bearing pressing plate is abutted against a bearing, the hinged support is in threaded connection with the bearing pressing plate, and the coupler is located on the outer end side of the bearing pressing plate; the pedal support extends into the bearing pressure plate from bottom to top forwards along a through hole between the left vertical flanging and the right vertical flanging of the pedal fixing plate, a hexagonal hole for the functional rod to penetrate through is formed in the top end of the pedal support, the pedal support is axially limited through clamp springs on the left clamp spring groove and the right clamp spring groove on the functional rod, the reset spring comprises a torsion spring coaxially sleeved on the functional rod, one end of the torsion spring is fixed on the bearing pressure plate, and the other end of the torsion spring is fixed on the pedal support; the pedal is composed of a pedal support and a pedal surface, the pedal support is L-shaped, the horizontal plane side of the pedal support faces backwards, and the upper surface of the pedal support is in threaded connection with the pedal surface; a cylindrical pin penetrates through the pedal bracket from left to right below the function rod, clamp spring grooves embedded with clamp springs are formed in the left end and the right end of each cylindrical pin, a tension spring is connected between each cylindrical pin and the bearing pressing plate, the front end of each tension spring is connected with the corresponding cylindrical pin, and the rear end of each tension spring is connected with a tension spring positioning hole of a bending part of the bearing plate; v-shaped shifting pieces are symmetrically arranged on the left outer side and the right outer side of the pedal support, the bottom ends of the shifting pieces are hinged to the vertical flanging to swing up and down on the front side and the rear side, a shifting piece torsion spring is arranged on the hinged shaft, the left end and the right end of the cylindrical pin are abutted to the rear side of the corresponding shifting piece, and the top ends of the shifting pieces extend upwards; the top of the bearing pressing plate is provided with an indicating plate, the top surface of the indicating plate is provided with an OFF indicating mark and a STOP indicating mark which are arranged in front and at back, the left end and the right end of the indicating plate are fixedly provided with sliding guide surfaces, the top surface of the bearing pressing plate is bilaterally symmetrically provided with sliding guide grooves which are all provided with an upper opening, the sliding guide surfaces are all embedded into the sliding guide grooves on the same side to slide back and forth, the indicating plate is bilaterally symmetrically provided with bevel grooves, the top ends of the shifting pieces are inserted into the corresponding bevel grooves from bottom to top, the bevel grooves are all inclined forwards from top to bottom, the middle lower parts of the rear groove walls of the bevel grooves are all bent backwards from top to bottom to form a post-deflection yielding section at the top end of the shifting piece, and the front side of the top end of the shifting piece is provided with a fillet to form a pre-deflection yielding section at the top end of the shifting piece; still the spiro union has a closing cap on the pedal fixed plate, and including the closing cap wrapped up bearing pressure plate, the closing cap top surface closed guide chute's upper shed, and closing cap top surface middle part is equipped with the observation hole that is used for revealing one of them index mark of indicator board, and both ends face is equipped with the hole of stepping down about the closing cap for the function pole wears to establish the hole of stepping down.
2. The central control reset pedal of claim 1, wherein: the reset spring comprises a torsion spring arranged on the rotating rod.
3. A method for assembling a central control reset pedal according to any one of claims 1-2, characterized by the following steps:
step 1: firstly, assembling a pedal bracket, fixedly riveting a limiting piece at a limiting piece fixing hole of the pedal bracket through a rivet, sequentially penetrating a cylindrical pin through a pin hole, a tension spring and a pin hole at the other side, clamping a clamp spring groove at two ends of the cylindrical pin by utilizing a clamp spring, and finally fixing a pedal surface at the pedal fixing hole of the pedal bracket;
step 2: the rivet sequentially penetrates through a pin hole at one side of the hinged support, the reset sheet, a reset sheet torsion spring and a pin hole at the other side of the hinged support, and is riveted and fixed, and at the moment, the limit surface at the last side of the reset sheet is butted with the top surface of the hinged support under the action of the torsion spring force of the reset sheet;
and step 3: the hinged support after the step 2 is fixed at a screw hole on the bearing pressure plate by a screw passing through a fixing hole;
and 4, step 4: a driving screw penetrates through a pin hole of the shifting sheet and the shifting sheet torsion spring, is respectively fixed at a screw hole at the bottom of the vertical flanging of the pedal fixing plate, and is locked in a nut for self-locking and fixing;
and 5: the pedal bracket completing the step 1 penetrates through the pedal fixing plate completing the step 4, a functional rod sequentially penetrates through a coupler, a bearing, a hexagonal hole at one side of the pedal bracket, a torsion spring, a hexagonal hole at the other side of the pedal bracket, the bearing and the coupler, a clamp spring is clamped in a cylindrical clamp ring groove, and the bearing is placed on a bearing limiting surface;
step 6: sleeving the bearing pressing plate completing the step 3 into the mechanism completing the step 4, wherein the sheet-shaped bulge of the limiting sheet is positioned on the guide surface of the reset sheet, the bearing limiting surface of the bearing pressing plate is abutted against the bearing, the shifting sheet is abutted against the cylindrical pin, each fixing hole in the bearing pressing plate is aligned with the screw hole of the pedal fixing plate, screws are sequentially locked into the screw holes, the bearing pressing plate is fixed on the pedal fixing plate, and the screws with pads are locked into the screws to abut against the bearing to prevent the bearing from moving left and right;
and 7: one end of a torsional spring of the pedal is pulled towards the upper end of the bearing press plate to enable the torsional spring of the pedal to act, the straight end of a plectrum torsional spring is pulled up and erected on the part of the screw penetrating through the vertical flanging to enable the plectrum torsional spring to act, the other side of the tension spring is pulled open and hung in a tension spring positioning hole at the bending part of the bearing press plate, and the torsional spring of the pedal is assisted to generate sufficient reset force;
and 8: two bevel grooves of the indicating plate are inserted by aligning with the open end at the top of the shifting piece, and the guide sliding surface of the indicating plate is horizontally placed on the guide sliding groove on the bearing pressing plate;
and step 9: covering the sealing cover, locking the sealing cover into a screw hole of the pedal fixing plate to fix the sealing cover on the screw hole, and finishing the assembly of the central control reset pedal mechanism by seeing the indication mark on the indication plate on the observation hole;
step 10: fixing the central control reset pedal mechanism which completes the step 9 at the bottom of the carrier provided with the central control caster, opening the sealing cover, respectively penetrating the hexagonal rods through the rotor part of the central control caster, aligning one end with the linear groove with the flat position on the functional rod, locking the coupler after inserting to the bottom, and assembling the sealing cover to complete the whole machine assembly.
4. A method of operating a central control reset pedal according to any of claims 1-2, characterized by the following steps:
step 1: when a pedal is stepped by a foot and downward rotating force is applied to the pedal support, the function rod is used as a rotating shaft, the sheet-shaped bulge of the limiting piece rotates towards the anti-falling abutting surface along the guide surface of the reset piece, the reset piece rotates downwards until the sheet-shaped bulge abuts against the anti-falling abutting surface, and at the moment, the pedal support is positioned at the maximum angle stroke;
step 2: when the pedal is loosened, the flaky bulges revolve under the action of the tension of the torsional spring and the tension spring of the pedal, the reset sheet simultaneously revolves under the action of the torsional spring of the reset sheet, the flaky bulges can only finally fall into and are clamped on the high-surface abutting surface, the position limiting surface is arranged at the rear upper part of the high-surface abutting surface, the rotation angle of the pedal bracket at the moment is just the rotation angle required by gear shifting of the central control wheel, and the function gear shifting is completed;
and step 3: the pedal is treaded down again to the maximum stroke position, the sheet-shaped bulge leaves the limiting surface of the limiting sheet and the high surface butting surface and falls into the reset sheet abdicating groove; the pedal is loosened, under the action of resetting force, the chamfer inclined plane of the sheet-shaped bulge slides into the high surface of the resetting piece, then the side of the resetting piece reciprocating piece torsion spring is pushed to be biased, the limiting piece is separated from the resetting piece, and finally the resetting piece returns to the position of the guide surface to complete resetting;
in the process of the steps 1 to 3, the swing of the pedal support is linked with the shifting piece through the cylindrical pin, the swing of the shifting piece drives the top indicating plate to slide back and forth to adjust the position, and the observation hole shows OFF indication or STOP indication in the final gear state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276985.7A CN113954946B (en) | 2021-10-30 | 2021-10-30 | Central control reset pedal and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276985.7A CN113954946B (en) | 2021-10-30 | 2021-10-30 | Central control reset pedal and method thereof |
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| CN113954946A CN113954946A (en) | 2022-01-21 |
| CN113954946B true CN113954946B (en) | 2022-08-16 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10332421A1 (en) * | 2003-07-16 | 2005-02-24 | Its Industrie-Technik-Service Gmbh | Stackable transporter especially for standardized containers and palettes has wheeled main frame with detach load support elements having recesses to accommodate the wheels and fold-down side frames for easy stacking and transport |
| CN101433497A (en) * | 2007-11-08 | 2009-05-20 | 泰科保健集团有限合伙公司 | Telescoping adjustable clamp |
| CN103287475A (en) * | 2013-05-23 | 2013-09-11 | 中山市隆成日用制品有限公司 | Stroller frame with function of automatically locking and releasing rear wheels by body sensing |
| CN206049231U (en) * | 2016-08-31 | 2017-03-29 | 福建施可瑞医疗科技股份有限公司 | Castor resetting structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT7234U1 (en) * | 2003-11-10 | 2004-12-27 | Blum Gmbh Julius | HOLDING PLATE FOR A LINEAR DAMPER |
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2021
- 2021-10-30 CN CN202111276985.7A patent/CN113954946B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10332421A1 (en) * | 2003-07-16 | 2005-02-24 | Its Industrie-Technik-Service Gmbh | Stackable transporter especially for standardized containers and palettes has wheeled main frame with detach load support elements having recesses to accommodate the wheels and fold-down side frames for easy stacking and transport |
| CN101433497A (en) * | 2007-11-08 | 2009-05-20 | 泰科保健集团有限合伙公司 | Telescoping adjustable clamp |
| CN103287475A (en) * | 2013-05-23 | 2013-09-11 | 中山市隆成日用制品有限公司 | Stroller frame with function of automatically locking and releasing rear wheels by body sensing |
| CN206049231U (en) * | 2016-08-31 | 2017-03-29 | 福建施可瑞医疗科技股份有限公司 | Castor resetting structure |
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| CN113954946A (en) | 2022-01-21 |
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