TWM554055U - Push-type caster wheel positioning structure - Google Patents

Abstract

A push-type caster positioning structure includes a limiting portion, a displacement portion, a braking portion and a main control shaft, the limiting portion has an outer sleeve, and the outer sleeve is internally provided with a limiting slot group, the limiting slot The group is respectively arranged by a plurality of channels having different depths, and the displacement portion is installed in the outer sleeve together with the braking portion, and the main control shaft has a top through which the displacement portion is a shaft member inside the braking portion, and a pressing member fixed to the top of the shaft member, wherein the bottom portion of the shaft member is placed into a wheel set, and the outer sleeve is also locked to the wheel set, the brake The portion can transfer positions in the respective channels of different depths by the pressing operation of the pressing member, and the bottom of the shaft member can be controlled at the bottom position when the depth positions in the grooves are different at different depths. The internal displacement of the group to different heights further controls the wheel set to perform different functions such as orientation, braking or freedom.

Description

Pusher caster positioning structure

The novel creation system relates to a push-type caster positioning structure, which is a positioning control structure suitable for being mounted on a caster, and the caster is suitable for being installed on the outside of the instrument or the machine.

In order to improve the convenience of use, the instrument or machine will mostly install a convenient moving caster at the bottom, and the caster mostly provides orientation, freedom or braking function to provide the functions required for use.

The current casters are mostly pedal-type, that is, the operation is performed by stepping on the pedals, and the casters that are operated by the pedaling method are, as in the prior art, the new application of the "positioning wheel structure improvement" application No. 096208334. When the positioning wheel is installed under the instrument or the machine table, the positioning wheel is relatively easy to rotate into the bottom of the instrument or the machine table as the instrument or the machine moves or rotates, so that the pedal is blocked to the bottom of the instrument or the machine table. If you want to operate it, you have to pull the pedal out or step into the bottom of the instrument or machine to step on the pedal, which makes the operation quite unsatisfactory.

In view of the above-mentioned shortcomings, the new creators believe that it is necessary to make corrections. In order to carry out research and creation of related technologies and product design, and to uphold the excellent design concept, we will study and create the above disadvantages. After continuous efforts, we will end up This is a new type of creative push-type caster positioning structure that corrects the product structure to enhance the superior performance of the product.

The main purpose of the novel creation is to provide a pressing positioning structure at the top of the wheel set for improving the conventional pedal-type casters. When the casters are installed under the instrument or the machine table, the pedals are easily blocked to the instrument or the machine table. At the bottom, the resulting operation is not smooth.

In order to achieve the purpose of the foregoing disclosure, the novel push-type caster positioning structure comprises a limiting portion, a displacement portion, a braking portion and a main control shaft, the limiting portion has an outer sleeve, and the outer sleeve has a jacket inside a hole, a lower limit groove on the inner wall of the outer casing is provided with a limit groove group, and the limit groove group is respectively arranged by a plurality of channels having different depths, and between the channels Each of the inner sleeves has an inner sleeve, and the inner sleeve also has an inner sleeve hole, and a plurality of limit blocks are uniformly protruded from the outer sleeve. Forming a plurality of actuating teeth having a slope at the bottom surface of the inner sleeve, the braking portion has a brake member mounted in the inner sleeve hole, and the outer periphery of the brake member is uniformly convexly provided with a plurality of returning top bumps, and each The top mask of the top bump has a reclining surface, and a bottom plate is further disposed on the bottom surface of the brake member, and a bottom spring is disposed on the bottom of the bottom plate, and the main control shaft has a top through which the spring is placed The brake member and the shaft member inside the inner sleeve, and a a pressing member positioned on the top of the shaft member and located above the inner sleeve, wherein the bottom of the shaft member is placed inside a wheel set, and the outer sleeve is also locked on the wheel set, so that the spring can be Abutting between the inside of the wheel set and the chassis, the chassis is topped up by the return spring, so that each of the back protrusions and each of the limit blocks are placed in each of the limit slot groups. In the channel, when each of the returning protrusions and each of the limiting blocks are located in each of the channels, each of the operating teeth is offset from the inclined surface of each of the protruding protrusions, and each of the limiting cards The block is placed in the channel having the deepest depth of the limit slot group, and each of the back bumps can be transferred to each of the channels at different depths by the pressing operation of the pressing member, by the The top-back bumps are positioned at different depth positions in the different depths of the limiting slot group to control the bottom of the shaft member to be displaced to different heights within the wheel set to control the orientation of the wheel set and brake Or free to wait for various states, because the operation is to press the pressing member from the top, especially in the wheel assembly Instrument outside or below the machine, and the pressing member does not move with the rotation of the instrument or the bottom of the machine wheel set, thus improving conventional mining fully depressed manner on the wheel set using drawbacks.

The present invention creates a push-type caster positioning structure. Further, the wheel set has three states of orientation, freedom and braking, and can control the three states, which are used to form the limit slot group. Each is a first channel, a second channel, and a third channel, and the depth of the first channel is the deepest, the depth of the third channel is the shallowest, and the depth of the second channel is between Between the first channel and the third channel, and in addition, through the arrangement of the channels of different depths, the order of changing the positions of the back bumps can be controlled, and each slot of the limiting slot group The order of the tracks is sequentially: the first channel, the second channel, the third channel, and the second channel continue to circulate in this order.

The novel type of push-type caster positioning structure can change the internal control structure of each type of wheel to change the functions that can be controlled by the respective back-bumps at different positions, and can also increase or decrease the limit slot for different wheel functions. The number and depth of channels in the group will increase the practicality of the product.

The novel creation system relates to a pressing caster positioning structure, and the structural composition is explained in detail below, and the structure thereof includes:

A limiting portion (1), [see the first figure] has an outer sleeve (11), the outer sleeve (11) has a jacket hole (12) formed therein, and the inner wall of the jacket hole (12) is lowered The upper recess is provided with a limiting slot group (13), and the limiting slot group (13) is respectively formed by a plurality of channels having different depths, and each of the channels is provided with a diagonal guide. Face (131);

A displacement portion (2), [see first and second figures] has an inner sleeve (21) mounted in the outer casing hole (12), and the inner sleeve (21) also has an inner sleeve hole (22), the same horizontal position on the periphery of the inner kit (21) is uniformly convexly provided with a plurality of limit block blocks (23), and a large number of actuating teeth having a slope are formed at the bottom surface of the inner set (21) (24). );

A braking portion (3), [please refer to the first figure] has a braking member (31) mounted in the inner sleeve hole (22), and the outer periphery of the braking member (31) is uniformly convexly provided with a plurality of top protruding portions a block (32), and each of the top protrusions (32) has a top surface having a tilting surface (321), and a bottom surface (33) is further provided on the bottom surface of the braking member (31), the chassis (33) a bottom spring (34) is provided at the bottom;

A main control shaft (4), [please refer to the first and third figures] has a top member that passes through the top spring (34) to the brake member (31) and the inner sleeve (21) ( 41), and a pressing member (42) fixed to the top of the shaft member (41) and located above the inner sleeve (21), and the pressing member (42) has a considerable thickness to be exposed to the outer sleeve (11) Upper outer

By the way, the bottom of the shaft member (41) is placed inside the wheel set (5), and the outer sleeve (11) is also locked on the wheel set (5), so that the return spring (34) can be abutted. Between the inside of the wheel set (5) and the chassis (33), the chassis (33) is topped up through the return spring (34), so that each of the back protrusions (32) and each of the limits The block (23) is placed in each of the slots of the limit slot group (13), and each of the back bumps (32) and each of the limit latches (23) are located in the limit slot group ( Each of the actuating teeth (24) is offset from the reclining surface (321) of each of the retracting projections (32), and each of the limiting blocks (23) is placed in each of the slots 13) In the channel with the deepest depth of the limiting slot group (13), each of the backing protrusions (32) can be transferred to the channel in different depths by the pressing operation of the pressing member (42). Different depth positions of the back projections (32) in the different depths of the limiting slot group (13), The bottom of the shaft system (41) in the wheel set (5) to a different position inside height, to control the wheel set (5) is oriented, other braking or free state.

The present invention creates a push-type caster positioning structure. In this embodiment, in order to cooperate with the wheel set (5), three states of orientation, freedom and braking are used, [refer to the first figure and the fourth figure] for forming a limit. Each channel of the slot group (13) is a first channel (132), a second channel (133) and a third channel (134), wherein the depth of the first channel (132) The deepest, the depth of the third channel (134) is the shallowest, and the depth of the second channel (133) is between the first channel (132) and the third channel (134), and The number of the first channel (132), the second channel (133) and the third channel (134) are consecutively arranged in the same number as the backing protrusion (32), which is the same in this embodiment. For example, the back projection (32) is provided with three, and the first channel (132), the second channel (133) and the third channel (134) are successively arranged three times, which ensures that each of the holes The top bump (32) is placed at different depths each time When the channel, each of the top back projection (32) of the same depth location.

The new type of push-type caster positioning structure, [refer to the fourth to seventh figures] is operated by pressing the pressing member (42), so that the pressing member (42) drives the inner sleeve (21) to be displaced downward. Having each of the actuating teeth (24) attached to the inclined surface (321) of each of the retroreflective protrusions (32), and each of the retroreflective projections (32) is moved out of each of the channels, due to each The actuating teeth (24) are offset from the reclining surfaces (321) of the returning projections (32), so that the returning springs are received by the returning springs when they are pushed out of the respective channels. The upward returning of (34) causes each of the returning projections (32) to be displaced upward and downward along the inclination of each of the movable teeth (24). When the pressing member (42) is released, the returning spring ( 34) continuously upwardly returning to the top, and each of the turned back protrusions (32) is guided by each of the inclined guide surfaces (131) into each of the adjacent channels, thereby knowing that the pressing member is pressed each time (42) After that, each of the back bumps (32) must be transferred to the side. In each channel, the position of each of the top bumps (32) is changed once. Therefore, the arrangement of the channels of the different depths can be controlled to control the order of changing the positions of the back bumps (32). Taking this embodiment as an example, the order of the channels is sequentially: the first channel (132), the second channel (133), the third channel (134), and the second channel ( 133)...Continuous cycle, according to the depth position, in order: deepest, medium, lightest, medium... continuous cycle.

The novel creation push-type caster positioning structure, [refer to the eighth figure] below describes the internal structure of the wheel set (5), in order to detail how the structure controls the wheel set (5) for various states such as orientation, braking or freedom, The wheel set (5) has a two-sided symmetrical and inner hollow upper shell member (51), and two sides of the upper shell member (51) are respectively pivotally provided with a wheel (52), and each of the wheels (52) corresponds to the upper portion One side of the shell member (51) is provided with a brake groove (521), and a lower shell member (53) is disposed below the upper shell member (51), and the upper shell member (51) corresponds to each of the wheels The two outer sides of (52) are respectively provided with a brake hole (54) penetrating the upper casing member (51);

a bidirectional orientation portion (6), [refer to the eighth and ninth views] is located in the upper casing member (51) and sleeved under the shaft member (41), the bidirectional orientation portion (6) has a a columnar member (61), the outer periphery of the column member (61) is formed with an upper orientation groove (62), and the bottom surface of the column member (61) is formed with a lower orientation groove (63);

The orientation portion (7), [see the eighth and ninth views] is located in the upper case member (51) and assembled on the lower case member (53) corresponding to the underside of the bidirectional orientation portion (6) Position, the lower orientation portion (7) has a ring member (71) fixed to the bottom of the shaft member (41), and the ring member (71) has a top mask for a card a lower directional projection (72) fixed to the lower orientation groove (63), and the lower directional projection (72) corresponds to the lower portion of the lower orientation groove (63), the ring member (71) and the lower case A return spring (73) is further disposed between the pieces (53), and the lower end of the other side of the outer side of the ring member (71) extends outwardly to form a top plate (74);

A brake portion (8), [see FIGS. 8 and 9] is mounted in the upper casing member (51) and corresponding to the top plate (74), the brake portion (8) has a brake member (81), a brake spring (82) is assembled on the top surface of the brake member (81), and the brake spring (82) is abutted between the upper casing member (51) and the brake member (81), the brake A brake projection (83) is formed on each of the two sides of the member (81), and each of the brake projections (83) extends from the upper housing member (51) to each of the brake holes (54). outer;

An upper orientation portion (9) is mounted in the upper casing member (51) and corresponding to the top plate (74), the upper orientation portion (9) has an upper orientation member (91), the upper orientation member (91) The top surface is assembled with a fixed spring (92) that abuts between the upper housing member (51) and the upper orientation member (91), followed by the upper orientation member (91) One end extends outward to form an upper directional bump (93).

By the way, the wheel set (5) of this embodiment has various states such as orientation, braking or freedom, [refer to the seventh figure and the tenth figure] when the position of each of the back protrusions (32) is at the deepest depth. In the first channel (132), the orientation state of the wheel set (5) is under the state, because each of the top protrusions (32) is topped up by the return spring (34) Up to the deepest depth of the first channel (132), thereby causing the shaft member (41) to be pulled up together with the ring member (71) to the highest position, the top plate (74) also following the ring The member (71) tops the brake portion (8) and the upper orientation portion (9) such that the upper directional projection (93) is completely moved over the upper orientation groove (62), and the lower orientation portion ( 7) by the upward return of the return spring (73), so that the lower directional projection (72) can be embedded in the lower orientation groove (63), so that the lower orientation portion (7) is embedded The bidirectional orientation portion (6) is also restricted with the shaft member (41) without Rotation of the wheel (52) can be rotated forward, and to achieve the orientation of the forward state;

[Refer to the sixth figure and the eleventh figure] When the position of each of the retroreflective bumps (32) is located in the second channel (133) of medium depth, the free state of the wheel set (5) is In this state, since each of the returning projections (32) is topped up by the return spring (34) to the second channel (133) of medium depth, the shaft member (41) is Together with the ring member (71) being pulled upward to the middle position, the top plate (74) also slightly upwards the brake portion (8) and the upper orientation portion (9) so that the upper directional projection ( 93) moving to the upper of the upper orientation groove (62), and the brake portion (8) and the upper orientation portion (9) are respectively returned to the top by the brake spring (82) and the orientation spring (92), so that the top plate (74) driving the lower orientation portion (7) to be maintained below the lower orientation groove (63) such that the lower orientation projection (72) is not embedded in the lower orientation groove (63), and therefore, the bidirectional orientation portion (6) and the shaft member (41) are free to rotate, A wheel (52) is also rotated forward, to achieve the rotatable free state can forward the anterograde;

[Please refer to the fourth, twelfth and thirteenth drawings] when the position of each of the retroreflective protrusions (32) is located in the shallowest shallowest third channel (134) The orientation of (5) has a braking state, in which the respective rear projections (32) are topped up by the return spring (34) to the second shallowest channel (133). Therefore, the shaft member (41) is pulled up to the lowest position together with the ring member (71), and the ring member (71) is pressed down to the lowest point together with the top plate (74), The brake portion (8) and the upper orientation portion (9) are respectively returned to the top by the brake spring (82) and the orientation spring (92), and the upper directional projection (93) is abutted by the directional spring (92). The upper orientation groove (62) is locked with the upper orientation groove (62), and the brake protrusion (83) is abutted against the brake groove (521) by the brake spring (82), so Achieving the orientation and having the state of braking.

It can be clearly seen from the above embodiments that [see the first figure] controlling the depth position of each of the back-end bumps (32) in the respective channels of different depths of the limiting slot group (13) The bottom of the shaft member (41) is displaced to a different height inside the wheel set (5) to control the wheel set (5) for various states such as orientation, braking or freedom, and the structure of the wheel set (5) is only Embodiments for describing one of the wheel structures, the novel creation can change the internal control structure of various types of wheels to change the functions that can be controlled by the respective back projections (32) at different positions, and can also be used for different wheels. The function increases or decreases the number of channels and depth types of the limit slot group (13), so only the above description is only a preferred embodiment of the novel creation, and the new creation cannot be limited thereto. The scope. That is, the equal changes and modifications made by Dafan in accordance with the scope of application for patents shall remain within the scope of this creation patent.

In summary, when the novel creation is novel and progressive, and the creation of this new type is not seen in any publication, it is in compliance with Article 104 of the Patent Law and Article 120 of the Patent Law and Article 22 of the Applicable Law.

1‧‧‧Limited Department 11‧‧‧Outer Kit 12‧‧‧Under Hole 13‧‧‧Limited Slot Set 131‧‧‧Slanted Guide 132‧‧‧First Channel 133‧‧‧Second Channel 134‧‧‧ Third Channel 2‧‧‧ Displacement Department 21‧‧‧Insole 22‧‧‧Inset hole 23‧‧‧Restriction block 24‧‧‧Acoustic tooth 3‧‧‧ Brake 31‧‧ ‧Brakes 32‧‧‧Returning crowns 321‧‧‧inclining surface 33‧‧‧Chassis 34‧‧Return springs 4‧‧‧Main control shaft 41‧‧‧Shaft parts 42‧‧‧Pressing parts 5 ‧‧‧Wheel 51‧‧‧Upper casing 52‧‧‧Wheel 521‧‧‧ Brake groove 53‧‧‧ Lower case 54‧‧‧Brazzard hole 6‧‧‧Bidirectional orientation part 61‧‧‧ Column 62‧‧‧Upward Orientation Groove 63‧‧‧Under Orientation Groove 7‧‧‧Under Orientation Section 71‧‧‧Rings 72‧‧‧Under Directional Bumps 73‧‧‧Return Springs 74‧‧‧Top Plate 8‧ ‧Brake 81.‧‧Brakes 82‧‧‧Brake springs 83‧‧ 91‧‧‧ the orientation member portion of the brake bump orienting 9‧‧‧ 92‧‧‧ directional orientation bump spring 93‧‧‧

The first figure is an exploded perspective view of the part of the novel caster positioning structure. The second figure is a three-dimensional schematic diagram of the displacement part of the novel caster positioning structure. The third figure is a schematic plan view of the parts of the novel caster positioning structure. The fourth figure is a schematic diagram of the continuous arrangement state of the limit groove group of the novel creation caster positioning structure and the third groove in the top protrusion. The fifth figure is a schematic diagram of the pressing plane of the implementation of the novel caster positioning structure. The sixth figure is a schematic diagram of the continuous arrangement state of the limit groove group of the novel creation caster positioning structure and the returning protrusion block located in the second channel. The seventh figure is a schematic view of the continuous arrangement state of the limit groove group of the novel creation caster positioning structure and the returning top bump located in the first channel. The eighth figure is an exploded perspective view of the wheel set components used in the novel caster positioning structure. The ninth figure is a three-dimensional schematic diagram of a partial combination of the wheel set parts used in the novel caster positioning structure. The tenth figure is a schematic cross-sectional view of the wheel set used in the novel caster positioning structure. The eleventh figure is a schematic diagram of a free state cross section of the wheel set used in the novel caster positioning structure. The twelfth figure is a schematic cross-sectional view of the wheel set used in the novel caster positioning structure. The thirteenth figure is a partial cross-sectional view of the wheel set used in the novel caster positioning structure for the brake orientation state.

1‧‧‧Limited Department

11‧‧‧Outer kit

12‧‧‧ jacket hole

13‧‧‧Limited slot set

131‧‧‧ oblique guide

132‧‧‧First channel

133‧‧‧Second channel

134‧‧‧ third channel

2‧‧‧ Displacement Department

21‧‧‧ inner kit

22‧‧‧Inner hole

23‧‧‧Limited block

24‧‧‧Operating teeth

3‧‧‧ Brake

31‧‧‧Brakes

32‧‧‧Back top bump

321‧‧‧ oblique push surface

33‧‧‧Chassis

34‧‧‧Return spring

4‧‧‧Master axis

41‧‧‧ shaft parts

42‧‧‧Pressing parts

5‧‧‧ Wheel set

Claims (8)

A push-type caster positioning structure includes: a limiting portion having an outer sleeve, the outer sleeve of the outer sleeve is internally provided with a sleeve hole, and the inner wall of the outer sleeve has a limiting slot group from the bottom to the upper recess, the limit The slot group is formed by successively arranging a plurality of channels having different depths, and each of the channels is provided with an inclined guide surface; a displacement portion having an inner sleeve installed in the outer casing hole, The inner sleeve also has an inner sleeve hole, and a plurality of limit blocks are uniformly protruded from the outer periphery of the inner sleeve, and a large number of operating teeth having a slope are formed on the bottom surface of the inner sleeve; a brake member disposed in the inner sleeve hole, the outer periphery of the brake member is uniformly convexly provided with a plurality of returning top bumps, and the top mask of each of the rear projections has an inclined pushing surface, and at the bottom surface of the braking member, a chassis is provided, and a bottom spring is disposed at the bottom of the chassis; a main control shaft having a top member that passes the return spring to the brake member and the inner portion of the inner sleeve, and a shaft fixed to the top of the shaft member Pressing above the inner kit The bottom of the shaft member is placed in the interior of a wheel set, and the outer sleeve is also locked to the wheel set, so that the return spring can be placed between the inner portion of the wheel set and the chassis. The returning springs upwardly push the chassis upwards, so that the backing protrusions and the limiting blocks are placed in each of the slots of the limiting slot group, and each of the backing bumps and the respective When the limiting block is located in each of the channels, each of the actuating teeth is offset from the inclined surface of each of the returning protrusions, and each of the limiting blocks is placed in the slot having the deepest depth of the limiting slot group. In the track, each of the top bumps can be transferred to each of the channels at different depths by the pressing operation of the pressing member, and the top bumps are positioned at different depths of the limiting slot group. The depth position of each of the channels is different to control the bottom of the shaft member to be displaced to different heights inside the wheel set to achieve the function of controlling the wheel set. The push-type caster positioning structure according to the first aspect of the patent application, wherein each of the limit retaining blocks is embossed at the same horizontal position on the periphery of the inner set. The push-type caster positioning structure according to the first aspect of the patent application, wherein the pressing member is exposed to the outside of the outer sleeve. The push-type caster positioning structure according to the first aspect of the patent application, wherein the number of the channels of the limit groove group is continuously arranged in the same number as the set-up bump. The push-type caster positioning structure according to the first aspect of the patent application scope, wherein the wheel set has three states of orientation, freedom and brake, and can be controlled to cooperate with three states, and the plurality of states for forming the limit slot group The channels are respectively a first channel, a second channel and a third channel. The push-type caster positioning structure according to claim 5, wherein the first channel has the deepest depth, the third channel has the shallowest depth, and the second channel has a depth between the first channel Between the third channel and the third channel. According to the push-type caster positioning structure of the fifth aspect of the patent application, the order of the channels of the limit slot group is sequentially: the first channel, the second channel, and the third channel The second channel continues to circulate in this order. The push-type caster positioning structure according to claim 5, wherein the wheel set has a two-sided symmetrical and inner hollow upper shell member, and the outer sides of the upper shell member are respectively pivoted with a wheel, each of the wheels corresponding to One side of the upper shell member is provided with a brake groove, and a lower shell member is disposed below the upper shell member, and a plurality of outer shell members are respectively disposed on the outer sides of the upper shell member respectively. a brake hole; a bidirectional orientation portion is disposed in the upper casing member and sleeved under the shaft member, the bidirectional orientation portion has a columnar member, and the outer periphery of the column member is upwardly formed with an upper orientation groove, the column shape The bottom surface of the piece is formed with a lower orientation groove; the lower orientation portion is located in the upper case member and is assembled on the lower case member corresponding to the position below the bidirectional orientation portion, the lower orientation portion has a ring member, The ring member is fixed to the bottom of the shaft member, the ring top mask has a lower directional bump for locking in the lower directional groove, and the lower directional projection corresponds to the lower portion of the lower directional groove, A ring is further disposed between the ring member and the lower shell member a spring, the lower end of the outer side of the ring member extends outwardly to form a top plate; a brake portion is disposed in the upper case member and corresponding to the top plate, the brake portion has a brake member, A brake spring is assembled on the top surface of the brake member, and the brake spring is abutted between the upper casing member and the brake member. The brake members are respectively extended outwardly to form a brake protrusion, and the brake protrusions are respectively formed. And extending from the upper casing member to each of the brake holes; an upper orientation portion is disposed in the upper casing member and corresponding to the top plate, the upper orientation portion has an upper orientation member, the upper portion The top surface of the orientation member is assembled to a spring, and the directional spring abuts between the upper casing member and the upper orientation member, and an upper directional member extends outwardly to form an upper directional projection.