CN215041856U - Movable caster - Google Patents

Abstract

The utility model discloses a movable truckle, it includes a support frame, and a rotor is connected to the support frame, and on the rotor was rotationally fixed in the support frame, be equipped with the recess on the rotor, be equipped with a portable slider on the support frame, the slider carries out circumferential direction spacing to the rotor in moving to sliding block one end and inserting the rotor recess towards the rotor, and a support is connected to the rotor, and the truckle is rotationally fixed in under the support through a pivot. The utility model discloses can switch in a flexible way between universal and directional, and the effect of moving away to avoid possible earthquakes is good.

Description

Movable caster

Technical Field

The utility model relates to a shallow technical field specifically is a movable truckle.

Background

Children or baby's shallow is the car that needs someone to assist to push or pull to walk usually, be baby or children's vehicle of riding instead of walk, baby's shallow is more and more popularized at present, baby's shallow's on the market truckle is casters usually for the universal castor, make the shallow can turn to in a flexible way, universal castor on the market can brake into directional truckle although, but directional truckle after the braking is very unstable, card pause often appears in the truckle rotation in-process, the effect of moving away to avoid possible earthquakes when crossing the barrier is poor, therefore, need for a truckle that can be in the nimble switching between orientation and universal.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: provides a movable caster which can be flexibly switched between universal direction and orientation and has good shock-absorbing effect.

The utility model adopts the technical proposal that: the device comprises a support frame, wherein the support frame is connected with a rotating body, the rotating body is rotatably fixed on the support frame, a groove is formed in the rotating body, a movable sliding block is arranged on the support frame, the sliding block moves towards the rotating body to one end of the sliding block and is inserted into the groove of the rotating body, the rotating body is connected with a support, and trundles are rotatably fixed on the support through a rotating shaft.

Preferably, a main shaft is arranged between the rotating body and the supporting frame, the rotating body is fixed on the main shaft through a bearing, and the main shaft is fixed on the supporting frame through another bearing.

Preferably, a positioning plate is arranged between the support frame and the rotating body, the positioning plate is fixed on the support frame, and the main shaft penetrates through the positioning plate.

Preferably, be equipped with a spacing piece between locating plate and the support frame, spacing piece is opened there is the through-hole, the main shaft passes the through-hole, spacing piece can be along main shaft radial movement, the main shaft periphery wall is opened with spacing piece contact department has heavy groove, and along with spacing piece relative main shaft makes reciprocating motion, spacing piece can be made the embedding and break away from heavy groove action.

Preferably, a protrusion extends from the sliding block, and a first spring is arranged between the protrusion and the supporting frame.

Preferably, the rotating body is connected with the support through a rotating shaft, the rotating shaft is horizontally arranged, a second spring is arranged at a position close to the rotating shaft, one end of the second spring abuts against the rotating body, and the other end of the second spring abuts against the support.

Preferably, the sliding block is further provided with a driving block, and the driving block drives the sliding block to axially reciprocate along the main shaft, so that the one end of the sliding block is embedded in or separated from the groove of the rotating body.

The utility model relates to a movable caster, as a caster on a baby or baby carriage, a rotatable rotor is arranged between the caster and a carriage main body, the caster rotates along with the rotor, a groove is arranged on the rotor, and a slide block slides into the groove of the rotor to form braking, so that the rotor stops rotating, and the caster can only directionally advance or retreat; the trundle is hinged to the rotating body through the support, and a spring is arranged between the support and the rotating body, so that the damping effect of the trundle is greatly improved; the rotor rotates around the main shaft, the main shaft is provided with a brake piece, the brake piece is embedded into a sinking groove on the wall of the main shaft, so that the main shaft cannot be axially separated, and the main shaft can be detached after the brake piece is separated from the sinking groove.

Drawings

Fig. 1 is an exploded view of the structure of the present invention.

Fig. 2 is an overall view of the structure of the present invention.

Fig. 3 is a structural diagram of the rotating body and the bracket of the present invention.

Fig. 4 is a plan view of the rotor of the present invention.

Fig. 5 is a bottom view of the rotating body of the present invention.

Fig. 6 is a structural view of the bracket of the present invention.

Wherein, 1, a support frame; 2. a rotating body; 3. a groove; 4. a slider; 5. a support; 6. a main shaft; 7. a bearing; 8. positioning a plate; 9. a limiting sheet; 10. a through hole; 11. sinking a groove; 12. a protrusion; 13. a first spring; 14. a rotating shaft; 15. a second spring; 16. a drive block; 17. and a caster.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The utility model provides a movable caster, as shown in figure 1, 2 is shown, it includes a support frame 1, a rotor 2 is connected to support frame 1, be equipped with a main shaft 6 between rotor 2 and the support frame 1, rotor 2 is fixed in on the main shaft 6 through bearing 7, make rotor 2 rotatably be fixed in on the support frame 1, as shown in figure 4, be equipped with recess 3 on the rotor 2, be equipped with a portable slider 4 on the support frame 1, slider 4 removes to sliding block one end towards the rotor and inserts rotor recess 3 in, it is spacing to carry out circumferential direction to rotor 2, a support 5 is connected to rotor 2, truckle 17 is fixed in under the support 5 through a pivot and wheel hub rotatably.

As shown in fig. 3, be equipped with a locating plate 8 between support frame 1 and the rotor 2, it has the gomphosis groove to open on the support frame 1, locating plate 8 is a plate body column structure, extend a boss on the plate body, it is porose to open in the middle of the boss, be equipped with the mounting hole on the boss, assemble fastener on the mounting hole, make locating plate 8 be fixed in support frame 1, main shaft 6 passes the hole and extends to support frame 1 inside, it has a shaft hole to open in the support frame 1, main shaft 6 extends to in the shaft hole, make main shaft 6 can rotate along 1 shaft hole of support frame.

A limiting piece 9 is arranged between the positioning plate 8 and the supporting frame 1, a shallower mounting surface is arranged on the positioning plate 8, the mounting surface is opened towards one side, the limiting piece 9 is arranged in the mounting surface, one end of the limiting piece 9 extends out of the lateral opening of the mounting surface, the limiting piece 9 is tightly fixed between the positioning plate 8 and the supporting frame 1, a through hole 10 is arranged on the limiting piece 9, the main shaft 6 passes through the through hole 10, the limiting sheet 9 can move along the radial direction of the main shaft 6 in the mounting surface by manually pulling and inserting the part of the limiting sheet 9 extending to the outside of the mounting surface, a sunk groove 11 is arranged at the contact part of the outer peripheral wall of the main shaft 6 and the limiting sheet 9, the limiting sheet 9 can be embedded into and separated from the sunk groove 11 along with the reciprocating movement of the limiting sheet 9 towards the main shaft 6, namely, the limit sheet 9 is manually inserted and pulled out, so that the limit sheet 9 is embedded or separated from the main shaft 6, the main shaft 6 is limited or liberated, and the main shaft 6 is fixed and detached.

One end of the main shaft 6 extends and is fixed in a shaft hole of the support frame 1, the other end of the main shaft is sequentially sleeved with two bearings 7, one bearing is positioned on the positioning plate 8, and the other bearing is positioned on the rotating body 2.

Slider 4 is fixed in support frame 1 department near rotor 2, be equipped with the spout on the support frame 1, slider 4 is installed in the spout, make slider 4 can make reciprocating motion along the axial, slider 4 extends a arch 12 to 6 directions in main shaft, be equipped with first spring 13 between arch 12 and the support frame 1, first spring 13 one end is supported in arch 12, the other end is fixed in support frame 1, it has the guiding hole to open on the locating plate 8, can pass the guiding hole when 4 bottom ends of slider move down, and then get into in the recess 3, make 4 tip of slider and recess 3 gomphosis mutually, thereby prevent rotor 2 to rotate round main shaft 6, the guiding hole not only plays the guide effect, but also play firm effect to slider 4 at the slip in-process.

The locking principle is that when the sliding block 4 is in an initial state, the first spring 13 is in a natural extension state, one end of the sliding block 4 penetrates through a guide hole of the positioning plate 8, the rotor 2 is in a locking state and cannot rotate around the main shaft 6, and the caster 17 can only move back and forth directionally; the driving block 16 drives the sliding block 4 to slide upwards, the first spring 13 is compressed, the driving block 16 on the sliding block 4 is clamped on the supporting frame 1 to form a limit, the first spring 13 is also limited, at the moment, one end of the sliding block 4 is separated from the groove 3 of the rotating body 2, the rotating body 2 is released, and the sliding block can freely rotate along the main shaft 6.

As shown in fig. 5 and 6, the rotating body 2 and the bracket 5 are connected through a rotating shaft 14, the rotating body 2 and the bracket 5 are respectively provided with a rotating seat, the rotating shaft 14 is installed in the rotating seats, the rotating shaft 14 is horizontally arranged, the rotating shaft 14 is positioned in front of the caster 17 when oriented, the rotating shaft 14 is relatively vertical to the main shaft 6, a second spring 15 is arranged at a position close to the rotating shaft 14, the second spring 15 is positioned at the rear of the rotating shaft 14 and is vertical to the rotating shaft 14, one end of the second spring 15 abuts against the rotating body 2, and the other end of the second spring abuts against the bracket 5.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims (7)

1. The utility model provides a movable caster, its characterized in that, it includes a support frame (1), a rotor (2) is connected in support frame (1), rotor (2) rotatably connect on support frame (1), be equipped with recess (3) on rotor (2), be equipped with a portable slider (4) on support frame (1), slider (4) move to slider one end towards rotor (2) and insert in recess (3) of rotor (2), a support (5) is connected in rotor (2), support (5) are connected with truckle (17) through a pivot rotatably.

2. The movable caster of claim 1, wherein: be equipped with a main shaft (6) between rotor (2) and support frame (1), rotor (2) are fixed in on main shaft (6) through bearing (7), main shaft (6) are on fixed support frame (1) through another bearing (7).

3. The movable caster of claim 2, wherein: be equipped with between support frame (1) and rotor (2) locating plate (8), locating plate (8) are fixed in on support frame (1), main shaft (6) pass locating plate (8).

4. The movable caster of claim 3, wherein: be equipped with a spacing piece (9) between locating plate (8) and support frame (1), spacing piece (9) are opened there are through-hole (10), through-hole (10) are passed in main shaft (6), spacing piece (9) can be along main shaft (6) radial movement, main shaft (6) periphery wall and spacing piece (9) contact department open and have heavy groove (11), along with spacing piece (9) do reciprocating motion relative main shaft (6), embedding and breaking away from heavy groove (11) action can be done to spacing piece (9).

5. The movable caster of claim 1, wherein: a protrusion (12) extends from the sliding block (4), and a first spring (13) is arranged between the protrusion (12) and the support frame (1).

6. The movable caster of claim 1, wherein: be connected through a axis of rotation (14) between rotor (2) and support (5), axis of rotation (14) level sets up, is close to axis of rotation (14) department and is equipped with second spring (15), second spring (15) one end is supported in rotor (2), and the other end supports in support (5).

7. The movable caster of claim 1, wherein: the sliding block (4) is further provided with a driving block (16), the driving block (16) drives the sliding block (4) to axially reciprocate along the main shaft (6), and one end of the sliding block (4) is embedded in or separated from the groove (3) of the rotating body (2).

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