CN115519939A - Caster capable of steering at multiple angles and mounting method thereof - Google Patents

Abstract

The invention discloses a caster capable of steering at multiple angles and a mounting method thereof, belonging to the field of casters and comprising a caster mounting mechanism, wherein the caster mounting mechanism comprises a lower mounting plate, a rotating column is arranged on the upper surface of the lower mounting plate, the upper end of the rotating column is rotatably connected with an upper mounting plate, a brake mechanism is arranged inside the upper mounting plate and comprises a rotating rod, the rotating rod is rotatably mounted inside the lower mounting plate, a worm is arranged at the rear end of the rotating rod, the left side of the worm is meshed with a worm wheel, a rotating shaft is arranged inside the worm wheel, and a rotating shaft is arranged inside the worm wheel.

Description

Caster capable of steering at multiple angles and mounting method thereof

Technical Field

The invention relates to the field of trundles, in particular to a trundle capable of steering at multiple angles and an installation method thereof.

Background

The caster is a general name and comprises a movable caster, a fixed caster and a movable caster with a brake. The movable caster wheel is the universal wheel which is described by us, and the structure of the movable caster wheel allows three hundred and sixty degrees of rotation; the fixed caster is also called a directional caster, and has no rotating structure and can not rotate. Generally, two types of casters are used in combination, such as a cart having two directional wheels at the front and two universal wheels at the rear adjacent to the pushing arm. The truckle has the truckle of multiple material, like pp truckle, PVC truckle, PU truckle, cast iron truckle, nylon truckle, TPR truckle, iron core nylon truckle, iron core PU truckle etc..

However, the existing movable caster is inconvenient to use, although it can be set to rotate at multiple angles, the equipment is placed at the back, the rotating structure of the caster and the wheel body of the caster are required to be limited and fixed, so as to avoid the phenomenon of rotation or movement when the equipment is used, but the existing caster limiting mechanism generally requires a user to bend over or squat to operate the caster, meanwhile, the limiting mechanisms of the rotating structure and the wheel body of the caster are generally separately arranged, the caster can be operated and used respectively, the operation is complex, time and labor are wasted, and the caster is not flexible enough to use, so that the caster capable of steering at multiple angles and the installation method thereof are provided.

Disclosure of Invention

The invention aims to provide a caster capable of steering at multiple angles and an installation method thereof, which can realize that when the caster is used, a first threaded rod can be quickly moved out of an upper installation plate only by rotating a brake plate, and meanwhile, a second threaded rod is far away from a wheel body, so that the caster can be steered and moved, the operation is simple and quick, and the flexibility of the caster in use is improved.

In order to solve the problems, the invention adopts the following technical scheme:

the utility model provides a but truckle that multi-angle turned to, includes truckle installation mechanism, truckle installation mechanism includes mounting panel down, the upper surface of mounting panel is provided with the rotation post down, the upper end of rotating the post is rotated and is connected with the mounting panel, the inside of going up the mounting panel is provided with brake mechanism, brake mechanism includes the bull stick, and the bull stick rotates the inside of installing the mounting panel under, the rear end of bull stick is provided with the worm, the left side meshing of worm is connected with the worm wheel, the inside of worm wheel is provided with the pivot, there are first threaded rod and second threaded rod at the inside upper and lower both ends difference threaded connection of pivot, the upper end of first threaded rod runs through the upper end of rotating the post and pegs graft inside the lower extreme at last mounting panel through the polygon inserted block, the circumference surface cover of bull stick is equipped with torque spring, torque spring's one end is connected with the bull stick, and the other end of spring is connected with the inside of mounting panel down, bull stick front end movable mounting has the brake block, the front end of mounting panel has seted up down with brake block assorted slot.

As a preferable scheme of the present invention, the caster mounting mechanism further includes two fixing plates, the two fixing plates are respectively disposed at the left and right ends of the lower surface of the lower mounting plate, a caster shaft is rotatably mounted between the two fixing plates, a wheel body is disposed on the circumferential surface of the caster shaft, and the lower end of the second threaded rod penetrates through the lower portion of the lower mounting plate and abuts against the upper end of the caster shaft.

As a preferable scheme of the present invention, a first movable groove is formed in the lower mounting plate, and the worm, the worm wheel and the rotating shaft are all disposed in the first movable groove.

As a preferable aspect of the present invention, the lower mounting plate is provided with a second movable groove therein, the second movable groove is provided at a front end of the first movable groove, and the torsion spring is provided in the second movable groove.

In a preferred embodiment of the present invention, the front end of the rotating rod penetrates the front end of the lower mounting plate and extends to the front of the lower mounting plate, and the front end of the rotating rod is provided with a stopper.

As a preferable scheme of the present invention, a sliding groove is formed on a front end surface of the rotating rod, and the braking vane is slidably mounted inside the sliding groove through a sliding block.

As a preferable scheme of the present invention, a bearing is disposed inside the lower mounting plate, and the worm and the rotating shaft are rotatably mounted inside the lower mounting plate through the bearing.

As a preferable mode of the present invention, the moving grooves are formed in both the upper and lower ends of the rotating shaft, the lower end of the first threaded rod is disposed in the upper moving groove, and the upper end of the second threaded rod is disposed in the lower moving groove.

As a preferable scheme of the present invention, the four corners of the upper mounting plate are respectively provided with a screw hole, and the inner threads of the screw holes are connected with fastening bolts.

A mounting method of a caster capable of steering at multiple angles specifically comprises the following steps:

a. firstly, obliquely placing mechanical equipment, and then contacting an upper mounting plate with the bottom of the mechanical equipment to ensure that four screw holes of the upper mounting plate correspond to screw holes formed in the bottom of the equipment;

b. then, the four fastening bolts are screwed into the four screw holes respectively until the four fastening bolts are screwed tightly, so that the upper mounting plate is connected with mechanical equipment;

c. and finally, the mechanical equipment is flatly placed, so that the wheel body is contacted with the ground, and the installation of the caster is completed.

Compared with the prior art, the invention has the advantages that:

(1) This scheme can rotate and the mobile device through the brake mechanism who sets up when needs, drives the rotation of worm, worm wheel, pivot, first threaded rod and second threaded rod through rotating the brake block for mounting panel is shifted out to first threaded rod, and the second threaded rod does not contact with the wheel body, and the truckle of being convenient for then turns to work, the removal work of the equipment of being convenient for simultaneously, and it is nimble to use, the simple operation.

(2) This scheme can carry on spacingly through the slot that sets up to the brake block, avoids equipment when turning to and removing, and the brake block resets and influences the result of use, through the torque spring who sets up, can shift out the slot back at the brake block, and torque spring drives the brake block and resumes to initial position, carries on spacing while to the wheel body then and carries on spacingly to the post that rotates for equipment can not take place to turn to or remove the phenomenon when using, practicality when having improved the equipment use.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the brake mechanism of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is a right side elevation view of the present invention;

fig. 5 is a top sectional view of the present invention.

The reference numbers in the figures illustrate:

1. a caster mounting mechanism; 101. a lower mounting plate; 102. rotating the column; 103. an upper mounting plate; 104. a fixing plate; 105. a caster shaft; 106. a wheel body; 2. a brake mechanism; 201. a rotating rod; 202. a worm; 203. a worm gear; 204. a rotating shaft; 205. a first threaded rod; 206. a torsion spring; 207. a brake plate; 208. a stopper; 209. a second threaded rod; 3. a first movable slot; 4. a second movable slot; 5. a slot; 6. and fastening the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The embodiment is as follows:

referring to fig. 1-5, a caster capable of steering at multiple angles comprises a caster mounting mechanism 1, wherein the caster mounting mechanism 1 comprises a lower mounting plate 101, a rotary column 102 is arranged on the upper surface of the lower mounting plate 101, an upper mounting plate 103 is rotatably connected to the upper end of the rotary column 102, a brake mechanism 2 is arranged inside the upper mounting plate 103, the brake mechanism 2 comprises a rotary rod 201, the rotary rod 201 is rotatably mounted inside the lower mounting plate 101, a worm 202 is arranged at the rear end of the rotary rod 201, a worm wheel 203 is meshed and connected to the left side of the worm 202, a rotary shaft 204 is arranged inside the worm wheel 203, a first threaded rod 205 and a second threaded rod 209 are respectively connected to the upper end and the lower end of the rotary shaft 204 through threads, the upper end of the first threaded rod 205 penetrates through the upper end of the rotary column 102 and is inserted into the lower end of the upper mounting plate 103 through a polygonal insertion block, a torsion spring 206 is sleeved on the circumferential surface of the rotary rod 201, one end of the torsion spring 206 is connected to the rotary rod 201, the other end of the torsion spring 206 is connected to the lower mounting plate 101, a slot 5 matched with the brake plate 207 is formed in the front end of the lower mounting plate 101.

Specifically, truckle installation mechanism 1 still includes fixed plate 104, and fixed plate 104 is provided with two and sets up both ends about mounting panel 101 lower surface under respectively, rotate between two fixed plates 104 and install truckle axle 105, the circumferential surface of truckle axle 105 is provided with wheel body 106, the lower extreme of second threaded rod 209 runs through the below of mounting panel 101 down and offsets with the upper end of truckle axle 105, the setting of two fixed plates 104, installation space has been provided for truckle axle 105 and wheel body 106, and truckle axle 105 can rotate smoothly in the inside of fixed plate 104, from not influencing the rotation that truckle axle 105 drove wheel body 106, then make wheel body 106 can drive truckle installation mechanism 1 when rotating smoothly and remove, and then make the smooth equipment that drives mounting panel 103 upper end of wheel body 106 remove.

Specifically, a first movable groove 3 is formed in the lower mounting plate 101, the worm 202, the worm wheel 203 and the rotating shaft 204 are arranged in the first movable groove 3, the first movable groove 3 is arranged to provide an installation space for the worm 202, the worm wheel 203 and the rotating shaft 204, and meanwhile, a rotating space is provided for the worm wheel 203, so that when the rotating rod 201 rotates to drive the worm 202 to rotate, the worm 202 can drive the worm wheel 203 to rotate, and then the rotating shaft 204 is smoothly driven to rotate, so that the first threaded rod 205 and the second threaded rod 209 in the rotating shaft 204 are respectively moved upwards or downwards, after the first threaded rod 205 is moved downwards and moved out of the upper mounting plate 103, the rotating column 102 can drive the lower mounting plate 101 and the wheel body 106 to rotate at the lower end, after the first threaded rod 205 is moved upwards and inserted into the upper mounting plate 103 through a polygonal insertion block, the rotating column 102 and the upper mounting plate 103 can be fixed, and then the rotating column 102 cannot be rotated, so that the rotation phenomenon when the second threaded rod 209 is moved upwards is avoided, the lower end of the second threaded rod does not contact with the wheel body 106, so that the wheel body 106 can be moved and the limiting effect of the device can be influenced when the device is moved downwards, and the limiting effect of the device can be avoided.

Specifically, second activity groove 4 has been seted up to the inside of lower mounting panel 101, and second activity groove 4 sets up the front end at first activity groove 3, torsion spring 206 sets up the inside at second activity groove 4, the setting of second activity groove 4, installation space and activity space have been provided for torsion spring 206, then when bull stick 201 takes place to rotate, bull stick 201 can drive torsion spring 206 smoothly and take place deformation, and then be convenient for follow-up bull stick 201 does not receive external force when spacing, the power of torsion spring 206 release can drive bull stick 201 and rotate, then make bull stick 201 reset, the next use of being convenient for.

Specifically, the front end of bull stick 201 runs through the front end of mounting panel 101 down and extends to the place ahead of mounting panel 101 down, and the front end of bull stick 201 is provided with dog 208, the setting that the bull stick 201 front end extends to mounting panel 101 front end down, installation space has been provided for dog 208 and brake pedal 207, the setting of dog 208, can carry on spacingly to the front end of bull stick 201, avoid brake pedal 207 to shift out from bull stick 201 front end, the practicality of brake pedal 207 has been improved, and can protect the front end of bull stick 201, the impaired probability of bull stick 201 front end has been reduced, the life and the practicality of bull stick 201 have been improved.

Specifically, the spout has been seted up on the front end surface of bull stick 201, brake block 207 passes through slider slidable mounting in the inside of spout, the setting of spout and slider, make brake block 207 slide around can on bull stick 201, then after brake block 207 drives bull stick 201 certain angle of downrotation, can promote brake block 207 backward, make brake block 207 peg graft in the inside of slot 5, fix brake block 207, avoid brake block 207 to receive torque spring 206's reaction force gyration to initial position, subsequent operation of being convenient for then.

Specifically, the inside of lower mounting panel 101 is provided with the bearing, and worm 202 and pivot 204 all rotate the inside of installing at lower mounting panel 101 through the bearing, and the setting of bearing can play spacing effect to worm 202 and pivot 204, and because the characteristic of bearing self for worm 202 and pivot 204 rotate more smoothly, avoid worm 202 and pivot 204 to take place to block and influence the use of worm 202 and pivot 204, has improved the practicality when worm 202 and pivot 204 use then.

Specifically, the moving grooves are formed in the inner portions of the upper end and the lower end of the rotating shaft 204, the lower end of the first threaded rod 205 is arranged in the upper moving groove, the upper end of the second threaded rod 209 is arranged in the lower moving groove, and the two moving grooves provide up-down moving spaces for the first threaded rod 205 and the second threaded rod 209 respectively, so that the first threaded rod 205 and the second threaded rod 209 can move up or down smoothly.

Specifically, the screw has all been seted up to the four corners department of going up mounting panel 103, and the internal thread of screw has fastening bolt 6, the setting of screw, fastening bolt 6 is provided with installation space, need not to go up mounting panel 103 and carry out the work of punching, fastening bolt 6's setting, make and go up mounting panel 103 and can install on mechanical equipment through fastening bolt 6, then make truckle integral erection on equipment, the truckle of being convenient for drives equipment and removes, fastening bolt 6's setting simultaneously, the convenience is wholly dismantled the truckle, then be convenient for change or maintenance work the truckle.

The working principle is as follows: when the casters are installed on the mechanical equipment, the mechanical equipment is firstly placed obliquely, then the upper mounting plate 103 of one of the casters is contacted with one corner of the bottom of the mechanical equipment, so that the four screw holes of the upper mounting plate 103 correspond to the screw holes formed in the bottom of the equipment, then the four fastening bolts 6 are respectively screwed into the four screw holes until being screwed, so that the upper mounting plate 103 is connected with the mechanical equipment, then the other three casters are sequentially repeated, so that the four casters are all installed at the bottom of the mechanical equipment, the mechanical equipment is laid flat, so that the four wheel bodies 106 are contacted with the ground, the assembly work of the casters is completed, at the moment, the mechanical equipment can move through the casters, when the mechanical equipment needs to be moved and turned, the brake plate 207 is rotated downwards by a certain angle, so that the brake plate 207 corresponds to the slot 5, then the brake plate 207 is pushed backwards to the inside of the slot 5, at the moment, the brake plate 207 is inserted into the slot 5, so that the force generated after the torsion spring 206 is tightened can be released, meanwhile, the brake plate 207 and the worm rod 207 can be pushed backwards to drive the worm rod 201 to rotate upwards to drive the worm rod 201 to rotate, so that the worm rod 201 can be moved, thereby the worm rod 202 can be moved upwards, the worm rod 201 can be driven by the worm rod 202 fixed inside the worm rod 201, and the worm wheel 205 can be moved, and the worm wheel 207 can be moved, and the worm rod 201, so that the worm rod 201 can be moved upwards, and the worm rod 201 can be driven by the worm rod 201 can be prevented from the worm wheel 202, at this time, the worker can move the device, meanwhile, the device and the upper mounting plate 103 can rotate to different angles, the device can move or rotate in different directions conveniently, after the device moves to a use position, and when the wheel body 106 needs to be fixed, the brake plate 207 is pushed forwards, the brake plate 207 is moved out from the inside of the slot 5, at this time, the force of the torsion spring 206 is released, the torsion spring 206 drives the rotating rod 201 and the brake plate 207 to rotate, so that the brake plate 207 is restored to an initial position, at this time, the rotating rod 201 rotates to drive the worm 202 to rotate reversely, so as to drive the worm wheel 203 and the rotating shaft 204 to rotate reversely, then the first threaded rod 205 is made to move upwards, so that the upper end of the first threaded rod 205 is inserted into the inside of the upper mounting plate 103 through the polygonal inserting block, the rotating column 102 and the upper mounting plate 103 are fixed, then the caster cannot rotate, the use effect is prevented from being influenced by sudden steering when the device is used, the practicality when the device and the caster are used is improved, meanwhile, the second threaded rod 209 moves downwards, so that the lower end of the second threaded rod 209 abuts against the upper end of the wheel body 106, the wheel body 106 is prevented from stopping suddenly, and the phenomenon of the device is prevented from limiting phenomenon of the device, and the wheel body 106 is prevented from being moved, and the practicality of the device is improved, and the practicality when the device is further, and the device is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and modifications within the scope of the present invention.

Claims (10)

1. A caster capable of steering at multiple angles comprises a caster mounting mechanism (1), and is characterized in that: the caster wheel mounting mechanism (1) comprises a lower mounting plate (101), a rotating column (102) is arranged on the upper surface of the lower mounting plate (101), the upper end of the rotating column (102) is rotatably connected with an upper mounting plate (103), a brake mechanism (2) is arranged in the upper mounting plate (103), the brake mechanism (2) comprises a rotating rod (201), and the rotating rod (201) is rotatably arranged inside the lower mounting plate (101), a worm (202) is arranged at the rear end of the rotating rod (201), a worm wheel (203) is meshed and connected with the left side of the worm (202), a rotating shaft (204) is arranged inside the worm wheel (203), the upper end and the lower end inside the rotating shaft (204) are respectively in threaded connection with a first threaded rod (205) and a second threaded rod (209), the upper end of the first threaded rod (205) penetrates through the upper end of the rotating column (102) and is inserted into the lower end of the upper mounting plate (103) through a polygonal insertion block, the circumferential surface of the rotating rod (201) is sleeved with a torsion spring (206), one end of the torsion spring (206) is connected with the rotating rod (201), and the other end of the torsion spring (206) is connected with the inside of the lower mounting plate (101), a brake plate (207) is movably arranged at the front end of the rotating rod (201), the front end of the lower mounting plate (101) is provided with a slot (5) matched with the brake plate (207).

2. A caster capable of multi-angle steering according to claim 1, wherein: truckle installation mechanism (1) still includes fixed plate (104), and fixed plate (104) are provided with two and set up both ends about mounting panel (101) lower surface under respectively, two rotate between fixed plate (104) and install truckle axle (105), the circumference surface of truckle axle (105) is provided with wheel body (106), the lower extreme of second threaded rod (209) runs through the below of mounting panel (101) down and offsets with the upper end of truckle axle (105).

3. A caster capable of multi-angle steering according to claim 1, wherein: a first movable groove (3) is formed in the lower mounting plate (101), and the worm (202), the worm wheel (203) and the rotating shaft (204) are all arranged in the first movable groove (3).

4. The caster capable of multi-angle steering according to claim 3, wherein: a second movable groove (4) is formed in the lower mounting plate (101), the second movable groove (4) is formed in the front end of the first movable groove (3), and the torsion spring (206) is arranged in the second movable groove (4).

5. The caster wheel capable of steering at multiple angles according to claim 1, wherein: the front end of the rotating rod (201) penetrates through the front end of the lower mounting plate (101) and extends to the front of the lower mounting plate (101), and a stop block (208) is arranged at the front end of the rotating rod (201).

6. A caster capable of multi-angle steering according to claim 1, wherein: the front end surface of the rotating rod (201) is provided with a sliding groove, and the brake plate (207) is slidably mounted in the sliding groove through a sliding block.

7. The caster wheel capable of steering at multiple angles according to claim 1, wherein: the inside of lower mounting panel (101) is provided with the bearing, worm (202) and pivot (204) all rotate the installation in the inside of lower mounting panel (101) through the bearing.

8. The caster wheel capable of steering at multiple angles according to claim 1, wherein: the inside at both ends all has seted up the shifting chute about pivot (204), the lower extreme setting of first threaded rod (205) is in the inside of upside shifting chute, the upper end setting of second threaded rod (209) is in the inside of downside shifting chute.

9. A caster capable of multi-angle steering according to claim 1, wherein: the four corners of the upper mounting plate (103) are provided with screw holes, and the inner threads of the screw holes are connected with fastening bolts (6).

10. A method for mounting a caster, comprising: a caster comprising a multi-angle steerable caster according to any one of claims 1 to 9; the method comprises the following steps:

a. firstly, obliquely placing mechanical equipment, and then contacting an upper mounting plate (103) with the bottom of the mechanical equipment to ensure that four screw holes of the upper mounting plate (103) correspond to screw holes formed in the bottom of the equipment;

b. then, the four fastening bolts (6) are respectively screwed into the four screw holes until being screwed tightly, so that the upper mounting plate (103) is connected with mechanical equipment;

c. finally, the mechanical equipment is laid flat, so that the wheel body (106) is in contact with the ground, and the installation of the caster wheel is completed.

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