JP3143922U - Double brake casters - Google Patents

Abstract

A double brake caster which is in a state in which braking and rotation cannot be performed, and at the same time, a lower arc surface of the stacker of the braking unit comes into contact with an arc edge of a main body, thereby making the double braking state more stable. provide.
A main body and a shaft center, a roller, an upper braking block, a lower braking block, a braking portion, a spindle and a braking ring are provided, and the upper and lower braking blocks are provided through upper and lower storage holes formed in the main body, By penetrating through the vertical hole of the main body, it is connected to the brake ring, and the brake part and the main body are connected by inserting pins, and two rollers with shaft centers on both sides of the main body. Are coupled, the zigzag of the locking protrusion on both sides of the upper brake block engages with the zigzag tank inside the roller, the zigzag of the lower brake block engages with the zigzag of the brake ring, and pushes the brake part Then, the upper and lower brake blocks are moved in conjunction with each other, so that the zigzag engages with the zigzag tank inside the roller and the zigzag of the brake ring, respectively.
[Selection] Figure 2

Description

The present invention relates to a double brake caster, and in particular, the upper and lower brake blocks are interlocked by a braking unit, and are respectively engaged with a roller and a brake ring coupled to a spindle, the caster roller is braked, and the main body is stopped. Related to what will be in a double braking state.

FIG. 5 shows a caster structure having functions of braking and non-rotation. Such a caster 2 moves the operation unit 23 when the double operation is performed by pushing the operation unit 23 downward. As a result, the pivoting portion 231 located inside rolls and pushes the seat along the cutting angle 241 of the sliding seat 24, and then the pivoting portion 231 causes the sliding seat to move to the long distance end 232. 24, the elastic element 27 is compressed, and the fixing pin 25 moves along the long tank hole 201 of the wheel seat 20 to reach the concave tank 211 on the inner ring surface of the ring body 21, thereby engaging the ring body 21. The locking block 26 is urged by the elastic element 28 to move forward together with the sliding seat 24, and enters the positioning recess 222 of the ring protrusion 221 of the spindle 22, The fixed wheel seat 20 can no longer rotate, and at the same time realizes the functions of braking and non-rotating That.

An object of the present invention is to install an upper and lower brake block, a brake ring, and a brake portion, and by pushing the brake portion, the upper and lower brake blocks are interlocked to lock the caster body and the rollers on both sides thereof. Provided is a double brake caster that achieves a double braking effect that is non-rotatable and non-rotating.

The invention of claim 1 is a brake caster comprising a main body and a shaft center, a roller, an upper brake block, a lower brake block, a brake part, a spindle and a brake ring, in which a shaft hole is formed at the center and on one side thereof. An upper and lower storage hole for penetrating the upper and lower braking blocks is provided, a pin hole and an arc edge are formed between the upper and lower storage holes, and a vertical hole for penetrating the spindle is formed on the other side. A main body to be formed and penetrated into the upper storage hole of the main body, and in the middle, a concave tub is provided at the bottom, and locking protrusions are formed on both sides thereof, respectively, on one side of the locking protrusion A small zigzag is formed, and the size of the zigzag is formed through the upper brake block corresponding to the zigzag tank provided inside the roller and the lower storage hole of the main body, and a slight zigzag is formed at one end thereof. On the upper plane of the other end A lower braking block in which a concave tank is formed, and a pushing portion is formed on one side thereof, a stacker is formed on the inner side of the pushing portion, and upper and lower hooks are formed on the upper and lower sides of both sides of the stacker, respectively. In addition, two arc surfaces are formed between the upper and lower hooks, and braking portions each having pin holes are formed at appropriate positions on both sides of the stacker. It is a double brake caster.

The invention of claim 2 is such that the locking protrusions on both sides of the upper braking block are located inside the roller, and one surface on which the zigzag is formed corresponds to a zigzag tank formed around the inside of the roller. The double brake caster according to claim 1.

The invention according to claim 3 is the double brake caster according to claim 1, wherein the zigzag on one side of the lower brake block corresponds to the zigzag of the brake ring at the lower part of the spindle.

According to the invention of claim 4, after the braking portion is coupled to the main body, the upper hook of the stacker is located in a concave tank formed at the bottom of the upper braking block, and the lower hook is the upper surface of the lower braking block. When the braking part is pushed downward, the upper hook is rotationally displaced in the concave tank of the upper braking block, and the upper braking block is pushed to the outside of the main body. The locking projection zigzag engages the roller's zigzag tank, the caster roller is positioned and braked, and at the same time, the lower hook of the brake stacker rotates in the recessed tank of the lower brake block. The double brake caster according to claim 1, wherein the lower brake block is pushed in the direction of the brake ring, the zigzag engages the zigzag of the brake ring, and the body is positioned. It is.

According to the fifth aspect of the present invention, in the state in which the braking portion is released, the upper arc surface of the stacker contacts an arc edge formed on one side of the main body and pushes it downward, so that the caster brakes. 2. The double brake caster according to claim 1, wherein the lower arc surface of the stacker comes into contact with an arc edge formed on one side of the main body when the state is reached.

FIGS. 1 to 3 show a caster 1 double braking structure according to the present invention, which includes a main body 10 and an axis 11, a roller 12, an upper braking block 13, a lower braking block 14, a braking portion 15, a spindle 16 and a braking ring 17. A shaft hole 101 is formed at the center, and an upper storage hole 102 is formed on one side of the shaft to allow the upper brake block 13 to pass therethrough. A pin hole 103 is formed, and a lower storage hole 104 is formed below the pin hole 103 for the lower brake block 14 to pass therethrough. On the other side, the spindle 16 is passed through. The main body 10 in which the vertical hole 105 is formed and a concave tank 130 are provided at the middle bottom, and locking projections 131 are formed on both sides thereof, and are provided inside the roller 12 of the locking projection 131. Gied A slight zigzag 132 is formed on one side in contact with the zigzag tank 120, and the size of the zigzag 132 is the upper braking block 13 corresponding to the zigzag tank 120 provided inside the roller 12, and the housing hole 104 of the main body 10. A lower zigzag 140 is formed on one end engaged with the brake ring 17 and a concave tank 141 is formed on the upper plane of the other end. A pusher 150 is formed, a stacker 151 is formed inside the pusher 150, and an upper hook 152 that engages with a recessed tank 130 provided in the upper brake block 13 is provided on both sides of the stacker 151. A lower hook 153 that engages with a recessed tank 141 provided in the lower braking block 14 is provided at the lower portion, and the lower hook 153 toward the upper hook 152 is provided. The two lower upper arc surfaces 154 and 155 extend toward the front, and on both sides of the stacker 151, the braking portion 15 in which the pin hole 156 is formed at appropriate positions, and the lower end thereof is a hexagon 160, and In the hexagon 160, the spindle 16 on which the ring-shaped layer 161 is formed is formed at an appropriate position, and the hexagon hole 170 corresponding to the hexagon 160 at the lower end of the spindle 16 is formed in the center. And a brake ring 17 formed with a zigzag 171 that engages with a zigzag 140 provided on one side of the block 14, and the upper brake block 13 penetrates into the upper storage hole 102 of the main body 10. Locking protrusions 131 on both sides of the upper brake block 13 are positioned outside both sides of the upper storage hole 102, and the spindle 16 is fixed to the fixed body 162, the vertical hole 105 of the main body 10, and the brake. The hexagonal shape 160 penetrates the ring 17 and engages with the hexagonal hole 170 of the brake ring 17, and engages with the ring-shaped layer 161 of the spindle 16 with the C-type engagement ring 18, thereby The ring 17 and the spindle 16 are coupled, and the fixing body 162 is fixed to the upper part of the vertical hole 105 of the main body 10, whereby the lower braking block 14 is provided through the lower storage hole 104 of the main body 10, A zigzag 140 provided at one end of the zigzag 140 engages with a zigzag 171 provided in the brake ring 17, so that the stacker 151 provided in the brake unit 15 is connected to one side of the main body 10 where the upper and lower storage tanks 102 and 104 are provided. Thus, the upper and lower hooks 152 and 153 are located in the recessed tanks 130 and 141 formed in the upper and lower braking blocks 13 and 14, respectively, and the pin holes on both sides 56 and the pin hole 103 of the main body 10 are made to coincide with each other, and the pin 19 is inserted and coupled, whereby the braking portion 15 is provided on the main body 10 with an upper arc surface 155 extending from the lower hook 153 of the stacker 151. When it comes into contact with the arc edge 106 and the shaft center 11 penetrates the shaft hole 101 of the main body 10, both ends thereof are respectively coupled to the rollers 12, and the locking protrusions 131 on both sides of the upper braking block 13. Is positioned inside the roller 12, whereby the zigzag 132 can be engaged with the zigzag tank 120 provided around the inside of the roller 12.

According to the present invention, as shown in FIGS. 3 and 4, the upper arc surface 155 of the stacker 151 is in contact with the arc edge 106 of the main body 10 in a state in which the braking portion 15 is released. The brake block 13 is located inside the upper storage hole 102 of the main body 10, and the zigzag 132 of the locking protrusion 131 is not engaged with the zigzag tank 120 inside the roller 12, and at this time, the roller 12 Since the zigzag 140 of the lower brake block 14 is not engaged with the zigzag 171 of the brake ring 17, the brake ring 17 and the spindle 16 can arbitrarily roll. That is, when the main body 10 can roll arbitrarily and push the braking portion 15 downward, the braking portion 15 performs rotational displacement with the pin 19 as a fulcrum, and thereby the lower arc surface 1 of the stacker 151. 4 hits the arc edge 106 of the main body 10, so that the upper hook 152 is rotationally displaced in the concave tank 130 at the bottom of the upper braking block 13, so that the upper braking block 13 is The zigzag 132 of the latching protrusion 131 is engaged with the zigzag tank 120 inside the roller 12, so that the roller 12 is locked and rolled. At the same time, the lower hook 153 of the stacker 151 is rotationally displaced in the concave tank 141 on the upper surface of the lower brake block 14, and the lower brake block 14 is pushed toward the brake ring 17, thereby The zigzag 140 engages with the zigzag 171 of the brake ring 17 so that the brake ring 17 cannot roll, and the spindle 1 coupled thereto. Also becomes rolling disabled, the main body 10 is localization, caster 1, the dual braking action of not rotating and braking is achieved.

The above is only a better embodiment of the present invention, and the present invention is not limited thereby, and equivalent changes made based on the scope of claims for patent registration relating to the present invention and the contents of the description. All modifications and changes are included in the scope of the claim for registration of the present invention.

Perspective view of the present invention Perspective exploded view of the present invention Partial exploded side view of the present invention Conceptual diagram of the double braking state of the present invention Conventional braking and non-rotating state conceptual diagram

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Caster 10 Main body 101 Shaft hole 102 Upper accommodation hole 103 Pin hole 104 Lower accommodation hole 105 Vertical hole 106 Arc edge 11 Axis center 12 Roller 120 Zigzag tank 13 Upper brake block 130 Recess tank 131 Locking protrusion 132 Zigzag 14 Lower brake block 140 Zigzag 141 Concave tank 15 Braking part 150 Pushing part 151 Stacker 152 Upper hook 153 Lower hook 154 Lower arc surface 155 Upper arc surface 156 Pin hole 16 Spindle 160 Hexagonal 161 Ring-shaped layer 162 Fixed body 17 Braking ring 170 Hexagonal hole 171 Zigzag 18 C-type engagement ring 19 Pin 2 Caster 20 Wheel seat 201 Long tank hole 21 Ring body 211 Recess tank 22 Spindle 221 Ring protrusion 222 Positional recess 23 ▲ Conditioning operation section 231 Pivoting section 232 Long distance end 24 Sliding seat 241 Cutting angle 25 Fixed pin 26 Locking block 2 Elastic element 28 an elastic element

Claims (5)

A brake caster including a main body and an axis, a roller, an upper braking block, a lower braking block, a braking unit, a spindle and a braking ring,
A shaft hole is formed at the center, and an upper and lower storage hole for penetrating the upper and lower braking blocks is provided on one side of the shaft hole. A pin hole and an arc edge are formed between the upper and lower storage holes. On the side, a main body in which a vertical hole for penetrating the spindle is formed,
In the middle, there is a recessed tank at the bottom, in the middle, and a locking projection is formed on each side, and a slight zigzag is formed on one side of the locking projection An upper braking block corresponding to a zigzag tank provided inside the roller,
A lower braking block which is provided in the lower storage hole of the main body, has a slight zigzag formed at one end thereof, and a concave tank formed on the upper plane of the other end;
A pusher is formed on one side, a stacker is formed on the inner side of the pusher, and upper and lower hooks are formed on the upper and lower sides of both sides of the stacker. Two arcs are formed between the upper and lower hooks. A double brake caster, characterized in that a surface is formed and braking parts each having a pin hole are formed at appropriate positions on both sides of the stacker. The locking protrusions on both sides of the upper braking block are located inside the roller, and one surface on which the zigzag is formed corresponds to a zigzag tank formed around the inside of the roller. Item 2. The double brake caster according to item 1. The double brake caster according to claim 1, wherein the zigzag on one side of the lower brake block corresponds to the zigzag of the brake ring at the lower part of the spindle. After connecting the braking part to the main body, the upper hook of the stacker is located in the recessed tank formed on the bottom of the upper braking block, and the lower hook is in the recessed tank formed on the upper surface of the lower braking block. When the braking part is pushed downward, the upper hook is rotationally displaced in the concave tank of the upper braking block, and the upper braking block is pushed to the outside of the main body to The zigzag engages with the zigzag tank of the roller, and the roller of the caster is localized and brakes. At the same time, the lower hook of the stacker of the brake part performs rotational displacement in the concave tank of the lower brake block, and the lower brake block 2. The double brake caster according to claim 1, wherein the double brake caster is pushed in the direction of the brake ring so that the zigzag engages the zigzag of the brake ring and the main body is positioned. When the brake part is released, when the upper arc surface of the stacker comes into contact with the arc edge formed on one side of the main body and pushes it down, the caster is braked. The double brake caster according to claim 1, wherein a lower arc surface of the stacker is in contact with an arc edge formed on one side of the main body.