CN213136616U - Flywheel locking device suitable for cross-country vehicle - Google Patents
Flywheel locking device suitable for cross-country vehicle Download PDFInfo
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- CN213136616U CN213136616U CN202020557935.0U CN202020557935U CN213136616U CN 213136616 U CN213136616 U CN 213136616U CN 202020557935 U CN202020557935 U CN 202020557935U CN 213136616 U CN213136616 U CN 213136616U
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Abstract
The application discloses a flywheel locking device suitable for an off-road vehicle, and relates to the field of automobile maintenance tools, wherein the flywheel locking device comprises a fixing component and a fixing and locking component, and the fixing component is a fixing plate; a plurality of fixing plate positioning fixing holes are longitudinally formed in one end of each fixing plate and used for being matched with threaded holes in the engine to fix the flywheel locking device; the fixing and locking assembly is of a cylindrical structure, the axial line space of the fixing and locking assembly is vertical to the fixing assembly and is integrally formed and fixedly connected or the direction-adjustable unidirectional rotatable connection is formed at one end, far away from the fixing plate positioning and fixing hole, of the fixing and locking assembly by taking the axial line of the fixing and locking assembly as a rotation center; the locking assembly comprises a stop block and a locking tooth positioning device; the stop block is a main body of the locking assembly, is cylindrical or prismatic and is used for bearing and positioning the locking tooth positioning device; the locking tooth positioning device is positioned along the axial direction of the stop block in a sliding mode and is used for being meshed with the flywheel teeth of the engine to limit rotation of the flywheel.
Description
Technical Field
The utility model relates to an auto repair tools field especially relates to a flywheel locking ware suitable for cross country vehicle.
Background
In the engine, the flywheel is arranged on a crankshaft through a threaded fastener, so that the purpose that the crankshaft rotates to drive the flywheel to rotate is achieved; when the flywheel is assembled or disassembled, the threaded fastener needs to be screwed down or disassembled by using a tool, but a certain torque is applied to the crankshaft by using a common tool in the screwing down or disassembling process, so that the flywheel rotates along with the crankshaft, and the problem that the tightening machine cannot stably apply force when the tightening machine applies acting force to the bolt in the subsequent operation is solved, and inconvenience is brought to the assembly and the disassembly of the flywheel of the engine.
In traditional installation, generally need two workman interoperations, a workman uses the spanner to block the flywheel and prevents its rotation, and another workman uses the wrench tightening bolt of deciding to twist reverse to install the flywheel on the engine, and such mounting means operation flow is complicated, and work load is big moreover, and production efficiency is low, extravagant manpower and materials. In order to solve the problem, a special auxiliary tool is produced in the prior art to complete the installation of the flywheel; the tool comprises a fixing piece and a blocking piece, wherein the fixing piece of the tool is fixed on an engine cylinder body during use, and the tip end part of the front end of the blocking piece is clamped between gears of a flywheel to block the rotation of the flywheel. The flywheel locking tool is structurally shown in fig. 9, can well solve the problem that the traditional installation technology consumes manpower and material resources, and is simple to install and convenient to use. However, due to the fact that the axial distance and the radial distance between the fixing holes for fixing the flywheel locking tool and the flywheel on different engines are different, the tool has certain limitation on the adaptability of different engines, and can only be specially used for specific engine models. For off-road vehicles, engines used by the same vehicle type are different, so that the axial distance and the radial distance between a fixing hole of the flywheel locking tool and a flywheel are different, and the problem that one vehicle type needs to be matched with various flywheel locking tool tools is further solved.
In summary, the prior art of the flywheel lock does not include a device which makes the flywheel lock have a wide application range and is suitable for various engines with different models, and the flywheel lock suitable for different engines still has wide requirements.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application solves the problem that the engine flywheel locking device in the prior art is only suitable for one engine model by providing the flywheel locking device suitable for the off-road vehicle, and realizes that the flywheel locking device can be suitable for engines of various different models.
The embodiment of the application provides a flywheel locking device suitable for an off-road vehicle, wherein the flywheel locking device comprises a fixing component and a fixing and locking component, and the fixing component is a fixing plate;
a plurality of fixing plate positioning fixing holes are longitudinally formed in one end of each fixing plate and used for being matched with threaded holes in the engine to fix the flywheel locking device;
the fixing and locking assembly is of a cylindrical structure, the axial line space of the fixing and locking assembly is vertical to the fixing assembly and is integrally formed and fixedly connected or the direction-adjustable unidirectional rotatable connection is formed at one end, far away from the fixing plate positioning and fixing hole, of the fixing and locking assembly by taking the axial line of the fixing and locking assembly as a rotation center;
the locking assembly comprises a stop block and a locking tooth positioning device;
the stop block is a main body of the locking assembly, is cylindrical or prismatic and is used for bearing and positioning the locking tooth positioning device;
the locking tooth positioning device is positioned along the axial direction of the stop block in a sliding mode and is used for being meshed with the flywheel teeth of the engine to limit rotation of the flywheel.
A fixed locking tooth sliding groove and a fixed locking tooth positioning groove are formed in the inner part of the stop block;
the locking tooth sliding groove is integrally T-shaped, is positioned in the stop block, is axially parallel to the axial direction of the stop block, has a length more than 2 times of the diameter of the locking tooth positioning device, and is used for slidably positioning the locking tooth positioning device;
the locking tooth positioning grooves are positioned in the stop block, are cylindrical, prismatic, conical or pyramidal in structure, and are 2 or more in number;
the axial direction of the fixed locking tooth positioning groove is perpendicular to the axial direction of the stop block and is communicated with the fixed locking tooth sliding groove for positioning the fixed locking tooth positioning device;
the fixed locking tooth positioning device comprises a fixed locking tooth main body, a pressure spring and a bearing plate;
the locking tooth main body is of a cylindrical structure with a single tooth at the bottom end, and the top of the locking tooth main body is matched with the locking tooth positioning groove;
one end of the top of the pressure spring is fixedly connected to the position, on the fixed lock tooth main body, away from the fixed lock tooth positioning groove at the top of the fixed lock tooth main body by the depth;
the bearing plate is a plate with a hole in the middle, and plays a role in bearing the elasticity of the pressure spring and positioning the locking tooth main body in the stop block by utilizing the elasticity of the pressure spring;
the diameter of the hole in the center of the bearing plate is smaller than that of the pressure spring and larger than that of the locking tooth main body.
Further freewheel locks suitable for off-road vehicles also comprise a torsion assembly;
the torsion assembly rotatably connects the fixing and locking assembly and the fixing assembly;
the torsion assembly comprises a double-ratchet mechanism and a connecting shaft;
the double-ratchet mechanism is fixedly connected to one end, close to the fixed component, of the fixed locking component and comprises a first ratchet wheel, a second ratchet wheel and a reversing boss;
the first ratchet wheel and the second ratchet wheel are coaxial, the axial line of the first ratchet wheel and the axial line of the second ratchet wheel are collinear, and the sizes of the ratchet wheel teeth of the first ratchet wheel and the second ratchet wheel are the same and the directions of the ratchet wheel teeth of the first ratchet wheel and the second ratchet wheel are opposite;
the cross section of the reversing boss is trapezoidal with arc transition, and the reversing boss is positioned between the first ratchet wheel and the second ratchet wheel and is coaxial with the first ratchet wheel and the second ratchet wheel, so that the reversing boss plays a role of assisting the pawl to switch the ratchet wheels;
the connecting shaft plays a role in rotatably connecting the auxiliary fixing assembly and the fixing and locking assembly and comprises a connecting shaft main body, a pawl and an elastic element;
the connecting shaft main body is cylindrical and is fixedly connected to one end, far away from the fixing plate positioning fixing hole, of the fixing assembly;
the two pawls are respectively a first pawl and a second pawl;
the first pawl and the second pawl are arranged in a coplanar manner in opposite directions, have the same size and respectively act on the first ratchet wheel and the second ratchet wheel;
the elastic element plays a role in assisting the pawl to restrain the ratchet mechanism from rotating by taking the axis of the connecting shaft as a rotation center, and comprises a first elastic element and a second elastic element;
the first elastic element and the second elastic element act on the first ratchet wheel and the second ratchet wheel respectively.
The flywheel locking device fixing assembly further comprises an expansion fixing plate;
the expanding fixing plate comprises an expanding fixing plate positioning fixing hole and a hinge hole;
the main body of the expansion fixing plate is a rectangular cuboid, through holes are formed in two ends of the expansion fixing plate, and a positioning fixing hole and a hinge hole are respectively formed in the expansion fixing plate;
the expanding fixing plate positioning fixing hole is used for fixedly connecting the expanding fixing plate to the engine threaded hole;
the hinge hole is hinged with one fixing plate positioning fixing hole of the fixing plates;
a triangle is formed among the three holes of the fixing plate positioning fixing hole, the expanded fixing plate positioning fixing hole and the hinge hole and is used for fixing the flywheel locking device on the engine.
The fixing plate of the fixing assembly and the stop block of the fixing and locking assembly are preferably of two-section structures;
folding devices are arranged at the joint of the two sections of the fixing plate and the joint of the two sections of the stop block;
the folding device comprises a first hinge and a second hinge;
the first hinge and the second hinge act on the fixing assembly and the locking assembly respectively to assist the folding of the fixing assembly and the locking assembly respectively.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
through carrying out optimization transformation to the flywheel locking ware that comprises fixed subassembly and solid locking subassembly two parts among the prior art, set up a plurality of location fixed orificess on traditional flywheel locking ware's fixed subassembly, and set up fixed connection's location tooth on the solid locking subassembly into location tooth and slide positioning on the solid locking subassembly, the flywheel locking ware that has solved the fixed flywheel locking frock of different engines axial interval and the difference of radial interval between the fixed orifices and the flywheel caused is the dedicated problem of independent model usually, the problem that engine flywheel locking ware only is suitable for an engine among the prior art has effectively been solved, and then realized that a flywheel locking ware can be applicable to the engine of multiple different models.
Drawings
Fig. 1 is an isometric view of a flywheel locking device for an off-road vehicle according to an embodiment of the present invention, showing the components of the flywheel locking device and the positional relationship between the components thereof;
FIG. 2 is an isometric view of a flywheel latch fixing assembly for an off-road vehicle according to an embodiment of the present invention, showing the structure of the flywheel latch fixing assembly;
fig. 3 is an isometric view of a flywheel lock securing assembly for an off-road vehicle according to an embodiment of the present invention, showing the structure of the flywheel lock securing assembly;
FIG. 4 is a cross-sectional view of a flywheel latch locking assembly suitable for use with off-road vehicles in accordance with an embodiment of the present invention;
fig. 5 is a front view of the expanded fixing plate of the flywheel locking device for the off-road vehicle according to the embodiment of the present invention, for showing the structure of the expanded fixing plate of the flywheel locking device;
FIG. 6 is a cross-sectional view of a torsion assembly of the flywheel locking device for an off-road vehicle according to an embodiment of the present invention, showing the structure of the torsion assembly of the flywheel locking device;
fig. 7 is an isometric view of a flywheel locking tooth positioning device for an off-road vehicle according to an embodiment of the present invention, showing the components of the flywheel locking tooth positioning device and the positional relationship between the components thereof;
FIG. 8 is an isometric view of a flywheel latch dual ratchet mechanism suitable for use with an off-road vehicle according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a flywheel locking tool;
FIG. 10 is a schematic view of the rear oil seal mounting pad of the crankshaft;
FIG. 11 is a schematic view of the structure of a punch mandrel mounted on an oil seal;
FIG. 12 is a schematic view of the structure of a lower lever ball joint puller;
in the figure:
a fixing member 100;
a fixing plate 110, a fixing plate positioning fixing hole 111;
an extended fixing plate 120, an extended fixing plate positioning fixing hole 121, a hinge hole 122, and an extended fixing plate body 123;
a locking assembly 200;
a stopper 210, a locking tooth sliding groove 211, a locking tooth positioning groove 212;
the locking tooth positioning device 220, the locking tooth main body 221, the pressure spring 222 and the bearing plate 223;
a torsion assembly 300;
a double-ratchet mechanism 310, a first ratchet wheel 311, a second ratchet wheel 312 and a reversing boss 313;
the connecting shaft 320, the connecting shaft main body 321, the pawl 322, the first pawl 322-1, the second pawl 322-2, the elastic element 323, the first elastic element 323-1 and the second elastic element 323-2;
a folding device 400, a first hinge 410, and a second hinge 420.
Detailed Description
In order to facilitate understanding of the embodiments of the present invention, the embodiments of the present invention will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Fig. 1 is an isometric view of a flywheel locking device for a cross-country vehicle according to the present invention; the engine flywheel locking device comprises a fixing component 100 and a fixing and locking component 200; through carrying out optimization transformation to the flywheel locking device that comprises fixed subassembly 100 and solid locking subassembly 200 two parts among the prior art, set up a plurality of fixed plate location fixed orificess 111 on traditional flywheel locking device's fixed subassembly 100, and set up the location tooth of fixed connection on the solid locking subassembly 200 as the location tooth and slide positioning on solid locking subassembly 200, be used for being suitable for the radial interval between the different fixed orificess and the flywheel of different engines with the mode that creates a plurality of flywheel locking device fixed orifices, adopt and increase location tooth thickness mutually with the mode change of location tooth at solid locking subassembly 200 slide positioning, make the flywheel locking device be applicable to the axial interval between the different fixed orificess and the flywheel of different engines.
Example one
The utility model is suitable for a flywheel locking ware of cross country vehicle is including fixed subassembly 100 and solid locking subassembly 200.
As shown in fig. 2, the fixing assembly 100 is a fixing plate 110, and a plurality of fixing plate positioning fixing holes 111 are longitudinally formed at one end of the fixing plate 110, and the fixing plate positioning fixing holes 111 are used for matching with threaded holes on an engine to fix the flywheel locking device.
As shown in fig. 3, the locking assembly 200 is a cylindrical structure, and its axial line space is perpendicular to the fixing assembly 100 and is fixedly connected or the one-way rotatable connection with the axial line of the locking assembly 200 as the rotation center and adjustable in direction is connected to one end of the fixing assembly 100 far away from the fixing plate positioning fixing hole 111; the locking assembly 200 includes a stop 210 and a locking tooth positioning device 220.
The stopper 210 is a main body of the locking assembly 200, and may be cylindrical or prismatic, and is configured to bear and position the locking tooth positioning device 220, a locking tooth sliding groove 211 and a locking tooth positioning groove 212 are provided inside the stopper 210, the locking tooth sliding groove 211 is, as shown in fig. 3 or fig. 4, integrally "T" shaped, and is located inside the stopper 210, and is configured to slidably position the locking tooth positioning device 220, an axial direction of the locking tooth sliding groove 211 is parallel to an axial direction of the stopper 210, and a length of the locking tooth sliding groove is more than 2 times a diameter of the locking tooth positioning device 220; as shown in fig. 3 or 4, the locking tooth positioning slots 212 are located inside the stopper 210, the number of the locking tooth positioning slots is 2 or more, the locking tooth positioning slots are cylindrical, prismatic, conical or pyramidal, and the like, and the axial direction of the locking tooth positioning slots 212 is perpendicular to the axial direction of the stopper 210; and the locking tooth sliding groove 211 is used for positioning the locking tooth positioning device 220.
The locking tooth positioning device 220 is shown in fig. 7, and includes a locking tooth main body 221, a pressure spring 222, and a force bearing plate 223; the locking tooth main body 221 is of a cylindrical structure with a single tooth at the bottom end, and one end of the top of the pressure spring 222 is fixedly connected to the locking tooth main body 221 at a position away from the locking tooth positioning groove 212 at the top of the locking tooth main body 221 by the depth; the bearing plate 223 is a plate with a hole in the middle, and plays a role in bearing the elasticity of the compression spring 222, the locking tooth main body 221 is positioned inside the stop block 210 by utilizing the elasticity of the compression spring 222, and the diameter of the hole in the center of the bearing plate 223 is smaller than the diameter of the compression spring 222 and larger than the diameter of the locking tooth main body 221; when the locking tooth positioning device 220 is actually used, an operator needs to assemble the locking tooth positioning device 220 into the state shown in fig. 7, compress the compression spring 222 to install the locking tooth positioning device 220 into the locking tooth sliding groove 211 of the locking assembly 200, and position the top of the locking tooth main body 221 on one of the locking tooth positioning grooves 212.
In the practical use process, the embodiment of the utility model is firstly put the flywheel locking device suitable for the off-road vehicle on the side of the flywheel to be fixed, one of the fixing plate positioning holes 111 closest to the engine threaded hole is selected, and the fixing plate positioning hole 111 is penetrated through by a screw and screwed into the engine threaded hole, so that the flywheel locking device is hinged with the engine to be processed through the screw; the relative position between the stopper 210 and the engine and the space position between the fixing and locking tooth positioning device 220 and the stopper 210 are adjusted, so that the tooth part of the fixing and locking tooth main body 221 is meshed with the tooth on the engine flywheel, and the locking of the flywheel locker to the engine flywheel can be completed by fastening the screw.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages: through the position adjustability of the flywheel locking device fixing hole and the fixing lock teeth, the problem that the flywheel locking device is usually independent and special in model due to the fact that the axial distance and the radial distance between the fixing hole of different engine fixing flywheel locking tools and a flywheel are different is solved, the problem that the engine flywheel locking device is only suitable for one engine in the prior art is effectively solved, and therefore the flywheel locking device can be suitable for engines of various different models.
Example two
Considering that the traditional flywheel lock and the flywheel lock described in the first embodiment have the phenomenon that the meshing tightness between the tooth part of the locking tooth body 221 and the tooth on the engine flywheel is limited by the structure of the flywheel lock, so that the engine flywheel is not stably locked or the stress concentration between the flywheel lock and the flywheel contact point causes the damage of the engine flywheel; as shown in fig. 1, fig. 2 or fig. 3, in the embodiment of the present invention, on the basis of the first embodiment, a torsion component 300 is disposed on the locking component 200 near the fixing portion between the locking component 200 and the fixing component 100, so as to split the locking component 200 and the fixing component 100 into two independent individuals and rotatably and fixedly connect the two independent individuals through the torsion component 300.
As shown in fig. 6 and 8, the torsion assembly 300 includes a dual ratchet mechanism 310 and a connecting shaft 320, and functions to rotationally position the locking assembly 200 with respect to the fixing assembly 100. The double-ratchet mechanism 310 is fixedly connected to one end of the locking assembly 200 close to the fixing assembly 100, and comprises a first ratchet 311, a second ratchet 312 and a reversing boss 313; as shown in fig. 8, the first ratchet wheel 311 and the second ratchet wheel 312 are coaxial, the axial lines of the first ratchet wheel 311 and the second ratchet wheel 312 are collinear with the axial line of the locking assembly 200, the sizes of the ratchet wheel teeth of the first ratchet wheel 311 and the second ratchet wheel 312 are the same, and the directions of the ratchet wheel teeth of the first ratchet wheel and the second ratchet wheel are opposite, a reversing boss 313, which is coaxial with the first ratchet wheel and the second ratchet wheel, is arranged between the first ratchet wheel 311 and the second ratchet wheel 312, and the cross section of the.
As shown in fig. 6, the connecting shaft 320 plays a guiding role in assisting the rotatable connection between the fixing component 100 and the locking component 200, and includes a connecting shaft main body 321, two pawls 322 and two elastic elements 323, the connecting shaft main body 321 is cylindrically and fixedly connected to one end of the fixing component 100 away from the fixing plate positioning fixing hole 111, the pawls 322 and the elastic elements 323 are arranged on the connecting shaft main body 321, the axial direction of the hinged shaft is parallel to the axial direction of the connecting shaft main body 321, the two pawls 322 are respectively a first pawl 322-1 and a second pawl 322-2, the first pawl 322-1 and the second pawl 322-2 are arranged in a coplanar manner, and have the same size and respectively play a role in the first ratchet wheel 311 and the second ratchet wheel 312; the elastic member 323, which serves as an auxiliary pawl 322 for suppressing the rotation of the ratchet mechanism 310 with respect to the axis of the connecting shaft 320, includes a first elastic member 323-1 and a second elastic member 323-2, and the first elastic member 323-1 and the second elastic member 323-2 act on the first ratchet wheel 311 and the second ratchet wheel 312, respectively.
In the practical use process of the embodiment of the present invention, the user pushes and pulls the locking assembly 200 along the axial direction to realize the back-and-forth switching of the pawl 322 between the first ratchet 311 and the second ratchet 312, thereby realizing the clockwise or counterclockwise locking of the locking assembly 200 rotating with the axis as the rotation center; therefore, the tightness degree of the tooth part of the locking tooth main body 221 meshed with the teeth on the engine flywheel is increased on the premise that the flywheel locking device is suitable for engines of different models and the rotation direction limitation of the flywheel, which does not influence the requirements of the flywheel locking device on the detachment and assembly fastening of the flywheel, is not influenced; and further, the stability of the engine flywheel locking is increased, and the stress concentration point of the flywheel locker in contact with the flywheel is reduced.
EXAMPLE III
In order to further strengthen the utility model is suitable for a flywheel locking ware fastening degree on engine screw hole of cross country vehicle reduces the risk that flywheel locking ware takes place the displacement in the use, the embodiment of the utility model provides an on the basis of embodiment one, add extension fixed plate 120 in fixed subassembly 100, extend fixed plate 120 including extending fixed plate location fixed orifices 12, hinge hole 122 and extension fixed plate main part 123.
As shown in fig. 5, through holes are formed in both ends of the expanded fixing plate 120, and are respectively an expanded fixing plate positioning fixing hole 121 and a hinge hole 122, the expanded fixing plate positioning fixing hole 121 is used for fixedly connecting the expanded fixing plate 120 to a threaded hole of an engine, the hinge hole 122 is hinged to one fixing plate positioning fixing hole 111 of the fixing plate 110, a triangle is formed among the fixing plate positioning fixing hole 111, the expanded fixing plate positioning fixing hole 121 and the hinge hole 122, and the fixation of the flywheel locking device on the engine is further stabilized.
In the practical use process, the embodiment of the utility model provides an at first place the flywheel locking device suitable for cross country vehicle of the utility model on waiting to fix the flywheel side, select one of them fixed plate locating hole 111 that is closest to the engine screw hole, run through the screw fixed plate locating hole 111 and screw in the engine screw hole, make the utility model discloses flywheel locking device is articulated with waiting to process the engine through above-mentioned screw, utilizes hinge hole 122 to extend fixed plate 120 and fixed plate 110 and articulate, according to the fixed expansion fixed plate 120 of other screw hole of actual selection engine; the adjustment dog 210 and the relative position between the engine and the solid locking tooth positioner 220 with spatial position between dog 210 makes the tooth portion of solid locking tooth main part 221 mesh with the tooth on the engine flywheel, confine the screw can accomplish the locking to the engine flywheel of the flywheel locking ware that the embodiment of the utility model is applicable to cross country vehicle.
In order to make the optional fixed position of flywheel locking ware more, the embodiment of the utility model provides a will extend fixed plate 120 and set up to reaching the telescopic link more, guarantee to have increased the optional fixed position of flywheel locking ware under the firm prerequisite of flywheel locking ware.
Example four
Considering the utility model discloses flywheel locking ware's portability suitable for cross country vehicle, the embodiment of the utility model provides a set up fixed plate 110 of fixed subassembly 100 and the dog 210 of locking subassembly 200 into two sections structures on the basis of embodiment one to set up folding device 400 in the seam crossing that falls into two sections, as shown in fig. 1, fig. 2 and fig. 3, folding device 400 includes first hinge 410 and second hinge 420, and first hinge 410 and second hinge 420 act on respectively fixed subassembly 100 and locking subassembly 200 for assist the respective folding of the two, reduce flywheel locking ware's volume, it is more convenient to make it carry.
The other tools commonly used by the flywheel lock applicable to the off-road vehicle in the automobile maintenance also comprise a crankshaft rear oil seal mounting base plate as shown in fig. 10, an oil seal mounting punch mandrel as shown in fig. 11 and a lower link ball joint puller as shown in fig. 12; the crankshaft rear oil seal mounting base plate is mainly used for mounting a crankshaft rear oil seal; the oil seal installation punch core rod is mainly matched with an oil seal base plate for use; the pull tool for the lower pull rod ball joint is mainly used for disassembling the lower pull rod ball joint.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A flywheel locking device suitable for an off-road vehicle comprises a fixing component and a fixing and locking component, and is characterized in that the fixing component is a fixing plate;
a plurality of fixing plate positioning fixing holes are longitudinally formed in one end of each fixing plate and used for being matched with threaded holes in the engine to fix the flywheel locking device;
the fixing and locking assembly is of a cylindrical structure, the axial line space of the fixing and locking assembly is vertical to the fixing assembly and is integrally formed and fixedly connected or the direction-adjustable unidirectional rotatable connection is formed at one end, far away from the fixing plate positioning and fixing hole, of the fixing and locking assembly by taking the axial line of the fixing and locking assembly as a rotation center;
the locking assembly comprises a stop block and a locking tooth positioning device;
the stop block is a main body of the locking assembly, is cylindrical or prismatic and is used for bearing and positioning the locking tooth positioning device;
the locking tooth positioning device is positioned along the axial direction of the stop block in a sliding mode and is used for being meshed with the flywheel teeth of the engine to limit rotation of the flywheel.
2. The freewheel lock mechanism for go-anywhere vehicle according to claim 1 characterized in that, the lock teeth sliding groove and lock teeth positioning groove are set inside the block of the lock assembly;
the locking tooth sliding groove is integrally T-shaped, is positioned in the stop block, is axially parallel to the axial direction of the stop block, has a length more than 2 times of the diameter of the locking tooth positioning device, and is used for slidably positioning the locking tooth positioning device;
the locking tooth positioning grooves are positioned in the stop block, are cylindrical, prismatic, conical or pyramidal in structure, and are 2 or more in number;
the axial direction of the fixed locking tooth positioning groove is perpendicular to the axial direction of the stop block and is communicated with the fixed locking tooth sliding groove for positioning the fixed locking tooth positioning device;
the fixed locking tooth positioning device comprises a fixed locking tooth main body, a pressure spring and a bearing plate;
the locking tooth main body is of a cylindrical structure with a single tooth at the bottom end, and the top of the locking tooth main body is matched with the locking tooth positioning groove;
one end of the top of the pressure spring is fixedly connected to the position, on the fixed lock tooth main body, away from the fixed lock tooth positioning groove at the top of the fixed lock tooth main body by the depth;
the bearing plate is a plate with a hole in the middle, and plays a role in bearing the elasticity of the pressure spring and positioning the locking tooth main body in the stop block by utilizing the elasticity of the pressure spring;
the diameter of the hole in the center of the bearing plate is smaller than that of the pressure spring and larger than that of the locking tooth main body.
3. The freewheel lock adapted for go-anywhere vehicle according to claim 1 characterized in that, it is characterized in that
Also includes a torsion assembly;
the torsion assembly rotatably connects the fixing and locking assembly and the fixing assembly;
the torsion assembly comprises a double-ratchet mechanism and a connecting shaft;
the double-ratchet mechanism is fixedly connected to one end, close to the fixed component, of the fixed locking component and comprises a first ratchet wheel, a second ratchet wheel and a reversing boss;
the first ratchet wheel and the second ratchet wheel are coaxial, the axial line of the first ratchet wheel and the axial line of the second ratchet wheel are collinear, and the sizes of the ratchet wheel teeth of the first ratchet wheel and the second ratchet wheel are the same and the directions of the ratchet wheel teeth of the first ratchet wheel and the second ratchet wheel are opposite;
the cross section of the reversing boss is trapezoidal with arc transition, and the reversing boss is positioned between the first ratchet wheel and the second ratchet wheel and is coaxial with the first ratchet wheel and the second ratchet wheel, so that the reversing boss plays a role of assisting the pawl to switch the ratchet wheels;
the connecting shaft plays a role in rotatably connecting the auxiliary fixing assembly and the fixing and locking assembly and comprises a connecting shaft main body, a pawl and an elastic element;
the connecting shaft main body is cylindrical and is fixedly connected to one end, far away from the fixing plate positioning fixing hole, of the fixing assembly;
the two pawls are respectively a first pawl and a second pawl;
the first pawl and the second pawl are arranged in a coplanar manner in opposite directions, have the same size and respectively act on the first ratchet wheel and the second ratchet wheel;
the elastic element plays a role in assisting the pawl to restrain the ratchet mechanism from rotating by taking the axis of the connecting shaft as a rotation center, and comprises a first elastic element and a second elastic element;
the first elastic element and the second elastic element act on the first ratchet wheel and the second ratchet wheel respectively.
4. A freewheel lock according to claim 1 characterized in that, it is characterized in that, the freewheel lock fixing component also includes an expansion fixing plate;
the expanding fixing plate comprises an expanding fixing plate positioning fixing hole and a hinge hole;
the main body of the expansion fixing plate is a rectangular cuboid, through holes are formed in two ends of the expansion fixing plate, and a positioning fixing hole and a hinge hole are respectively formed in the expansion fixing plate;
the expanding fixing plate positioning fixing hole is used for fixedly connecting the expanding fixing plate to the engine threaded hole;
the hinge hole is hinged with one fixing plate positioning fixing hole of the fixing plates;
a triangle is formed among the three holes of the fixing plate positioning fixing hole, the expanded fixing plate positioning fixing hole and the hinge hole and is used for fixing the flywheel locking device on the engine.
5. A freewheel lock mechanism adapted for use with an off-road vehicle according to claim 1, characterized in that
The fixed plate of the fixed assembly and the stop block of the fixed locking assembly are both of two-section structures;
folding devices are arranged at the joint of the two sections of the fixing plate and the joint of the two sections of the stop block;
the folding device comprises a first hinge and a second hinge;
the first hinge and the second hinge act on the fixing assembly and the locking assembly respectively to assist the folding of the fixing assembly and the locking assembly respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020557935.0U CN213136616U (en) | 2020-04-15 | 2020-04-15 | Flywheel locking device suitable for cross-country vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020557935.0U CN213136616U (en) | 2020-04-15 | 2020-04-15 | Flywheel locking device suitable for cross-country vehicle |
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| Publication Number | Publication Date |
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| CN213136616U true CN213136616U (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020557935.0U Active CN213136616U (en) | 2020-04-15 | 2020-04-15 | Flywheel locking device suitable for cross-country vehicle |
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| CN (1) | CN213136616U (en) |
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