TWM511239U - Wheel seat with braking function - Google Patents

Description

Brake wheel

This creation is about a wheel seat, especially a wheeled wheel base.

According to the current situation, it is quite common for Chinese people to travel and negotiate at home or abroad, and the use of suitcases is more and more extensive, because the design of the suitcase is aesthetic, and the hard shell of the suitcase can also protect the carrying items; At the same time, the bottom of the trunk is equipped with several pulleys, and with the telescopic pull rod, it is convenient for the user to drag the operation box.

Traditionally used luggage has a very high practicality, because the bottom of the trunk is equipped with pulleys to easily drag the baggage. In the prior art, there are two kinds of luggage provided with pulleys, one is a rear wheel type, the bottom end of the box body is provided with support legs, and the rear side is provided with a linear non-360 degree rotating roller. The other is a four-wheel type, that is, the bottom corner of the box has a 360-degree rotating roller. Although luggage with pulleys is common, most of these suitcases do not have a brake function. However, in some states, such as waiting for a flight or waiting for a car, when the luggage case is placed aside, it is easy to cause an external force, for example, accidentally colliding, causing the luggage to slip freely, which causes many troubles. It still has problems and shortcomings that have yet to be solved.

Therefore, in the above-mentioned problems, the present invention proposes a brake-type wheel base to solve the problems caused by the conventional.

The main purpose of the present invention is to provide a brake-type wheel base, which pulls the pull rod upward to sequentially drive the linker and the brake body, and moves the brake body to the brake ring body coaxially fixed with the wheel body, by The body of the car and the body of the brake are in contact with each other, so that the wheel body is decelerated or stopped, thereby meeting the use of different occasions.

In order to achieve the above object, the present invention provides a wheel-type wheel base, which comprises a wheel frame, a linker, at least one wheel body, at least one body and a tie rod. The top surface of the upper half of the wheel frame is recessed with a first receiving groove, and at least one side of the lower half is recessed with at least one second receiving groove, the first receiving groove is connected to the second receiving groove, and the second receiving groove is provided There is a first hollow sleeve. The actuator is disposed in the first pocket and is disposed corresponding to the second pocket. The wheel body coaxially fixes a brake ring body and a second hollow sleeve, the second hollow sleeve is located inside the brake ring body, and the first hollow sleeve is pivotally connected to the second hollow sleeve, and the wheel body and the brake ring body are The second hollow sleeve is placed in the second pocket, and the wheel body is rotated relative to the wheel frame through the first hollow sleeve and the second hollow sleeve. The brake system is disposed between the wheel frame and the wheel body, and is offset from the position of the first hollow sleeve and the second hollow sleeve, and is disposed corresponding to the brake ring body, wherein the brake body utilizes a first pivot and a second pivot They are pivotally connected to the wheel carrier and the connector respectively. One end of the pull rod is fixed on the connecting body to drive the linkage to control the movement of the brake body to the brake ring body, and the brake body prevents the brake ring body and the wheel body from rotating when the brake body is in contact with the brake ring body.

Referring to FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 , and FIG. 5 , the first embodiment of the present invention includes a wheel carrier 10 , at least one first hollow sleeve 12 , a linker 14 , and a wheel frame . The disk 16, the at least one wheel body 18, the at least one brake ring body 20, the at least one second hollow sleeve 22, the at least one brake body 24, a tie rod 26, a bearing 28, a wheel base 30, and a third hollow sleeve 32 With a first buckle 34. A first receiving groove 36 and a plurality of first fixing holes 38 are recessed in a top surface of the upper half of the wheel frame 10, and at least one side of the lower half is recessed with at least one second receiving groove 40. The first receiving groove 36 is connected. The second pocket 40. In addition, a lower portion of the wheel frame is further provided with a first pivot hole 42 for communicating with the second second groove 40. In this embodiment, the number of the first hollow sleeve 12, the wheel body 18, the brake ring body 20, the second hollow sleeve 22, the brake body 24 and the second pocket 40 are respectively exemplified by two. The second slots 40 are respectively located on opposite sides of the lower half of the wheel frame 10, and the second slots 40 are respectively provided with two first hollow sleeves 12. The coupling 14 is disposed in the first receiving groove 36 and is disposed corresponding to the second receiving groove 40. The second intermediate hole 44 is disposed in the second intermediate hole 40.

A first positioning hole 46 is formed in the middle of the wheel tray 16 , and a plurality of second fixing holes 48 are further disposed around the first positioning hole 46 . The plurality of fixing members 50 respectively pass through the second fixing holes 48 to respectively respectively It is fixed in the first fixing hole 38, thereby fixing the wheel tray 16 on the wheel carrier 10. In this embodiment, the fixing member 50 is exemplified by a screw, and the first fixing hole 38 and the second fixing hole 48 are exemplified by a screw hole. The top of the wheel tray 16 is provided with an annular groove 52 surrounding the first positioning hole 46. The second fixing hole 48 is disposed at the bottom of the annular groove 52 for the fixing member 50 to pass through. The actuator 14 is provided with at least one elastomer 54, such as a spring, located between the carrier disk 16 and the linkage 14 to withstand the carrier disk 16. In this embodiment, the number of the elastic bodies 54 is exemplified by two.

Each wheel body 18 coaxially fixes a brake ring body 20 and a second hollow sleeve 22, and the second hollow sleeve 22 is located inside the brake ring body 20. The second hollow sleeves 12 are respectively pivotally connected to the second hollow sleeves 22, and the two wheel bodies 18 are respectively disposed in the second second slots 40 to respectively place the two brake ring bodies 20 in the second second slots 40. The second hollow sleeves 22 are respectively placed in the second second slots 40. The wheel body 18 is rotated relative to the wheel carrier 10 through the first hollow sleeve 12 and the second hollow sleeve 22.

The two car bodies 24 are respectively located in the second second tank 40, and the brake body 24 is disposed between the wheel frame 10 and the wheel body 18, and is offset from the positions of the first hollow sleeve 12 and the second hollow sleeve 22, and corresponds to The brake ring body 20 is provided. A first pivoting hole 56 and a fourth pivoting hole 58 are disposed in the first pivoting hole 42 and the second pivoting hole 56. A second pivot body 24 and a second pivot shaft 62 are pivotally connected to the second pivot hole 44 and the second fourth pivot hole 58 to pivotally connect the two body bodies 24 and the linker 14. Each of the brake ring bodies 20 and each of the brake bodies 24 respectively have a first brake surface and a second brake surface, and the first brake surface faces the second brake surface. In this embodiment, the first brake surface and the second brake surface are both exemplified by a gear surface.

The pull rod 26 is inserted into the first positioning hole 46 and fixed to the linker 14 at one end thereof to drive the linker 14 to control the movement of the second body 24 to the second brake ring body 20, and at the same time, the linker 14 is compressed and elasticized. The body 54 prevents the brake body 20 and the wheel body 18 from rotating when the first body and the wheel body 18 are in contact with the second brake surface 20 to prevent the wheel body 18 from stopping or decelerating. To meet the needs of different occasions.

The annular groove 52 accommodates the bearing 28, and the wheel base 30 is pivotally mounted on the wheel tray 16 to be disposed on the bearing 28. A second positioning hole 64 is formed in the middle of the wheel body 30. The wheel base 30 is combined with various devices, such as a trunk, to provide a mobile function. A first annular groove 66 is disposed on the outer surface of the third hollow sleeve 32. The third hollow sleeve 32 is disposed in the first positioning hole 46 and the second positioning hole 64 to expose the first annular groove 66. And the pull rod 26 is disposed in the third hollow sleeve 32 and is exposed from the third hollow sleeve 32. The first buckle ring 34 is disposed in the first annular groove 66 and is in close contact with the wheel base body 30 to fix the third hollow sleeve 32 in the first positioning hole 46 and the second positioning hole 64.

The connector 14 further includes a mounting block 68, a moving block 70 and at least one cylinder 72. In this embodiment, the number of the cylinders 72 is exemplified by two. The mounting block 68 is located in the first receiving slot 36. The mounting block 68 is provided with a second pivoting hole 44. The side of the mounting block 68 is provided with a notch 74. The second pivot 62 pivotally connects the mounting block 68 with the braking body 24. The moving block 70 is located in the first receiving slot 36 and is disposed on the mounting block 68. The side of the moving block 70 is recessed with a notch 76 of the connecting recess 74. One end of the movable stopper 70 fixing the rod 26 is received in the recess 74, and the rod 26 is bored in the notch 76 to be exposed from the first pocket 36. The cylinder 72 is located in the first pocket 36 and is disposed on the moving block 70. The two cylinders 72 are respectively sleeved with two elastic bodies 54. The elastic body 54 is disposed between the wheel tray 16 and the moving block 70. . In addition, the tie rod 26 further includes a head 78 and a shaft 80. The head 78 is fixed in the recess 74. One end of the shaft 80 is coupled to the head 78 and is disposed in the notch 76, the first positioning hole 46 and the third hollow sleeve 32, and is disposed in the third hollow sleeve 32. Exposed.

The operation of the first embodiment of the present creation is described below. When the pull rod 26 is not pulled up, the mounting block 68 is located at the bottom of the first pocket 36, so that the brake body 24 and the brake ring body 20 are not in contact with each other, and the wheel body 18 can pass through the first hollow sleeve 12 at this time. The second hollow sleeve 22 is rotated relative to the wheel carrier 10. When the pull rod 26 is pulled up, the pull rod 26 drives the mounting block 68 and the moving block 70 to compress the elastic body 54 while driving the brake body 24 through the mounting block 68 to rotate the first brake shaft 20 with the first pivot 60. When the first brake surface of the brake ring body 20 is in contact with the second brake surface of the brake body 24, the brake body 24 can prevent the brake ring body 20 and the wheel body 18 from rotating.

Referring to FIG. 3, FIG. 6, FIG. 7 and FIG. 8, the second embodiment of the present invention includes a fourth hollow sleeve 82 and a second buckle in addition to all the components of the first embodiment. 84. A spring 86, a linkage housing 88, a cable 90, a protective housing 92, a cord body 94, a fixing structure 96 and a fixing plate 98. The shaft 80 of the tie rod 26 is disposed in the fourth hollow sleeve 82 and is exposed from the third hollow sleeve 32. The fourth hollow sleeve 82 is located above the third hollow sleeve 32, the fourth hollow sleeve 82 is slid on the shaft 80 of the tie rod 26, and a second annular groove 100 is disposed on the outer surface of the fourth hollow sleeve 82. . The second buckle 84 is fastened to the shaft 80 and above the fourth hollow sleeve 82. The spring 86 is sleeved with a shaft 80. One end of the spring 86 is fixed to the second buckle 84, and the other end is located between the second buckle 84 and the fourth hollow sleeve 82. The interlocking housing 88 is disposed above the wheel base body 30 and fixed in the second annular groove 100 to cover the spring 86 and the second buckle 84. One end of the pull wire 90 is fixed on the interlocking housing 88 to drive the interlocking housing 88 and the fourth hollow sleeve 82 to compress the spring 86, thereby sequentially driving the second buckle 84 and the pull rod 26. The protective housing 92 is disposed on the interlocking housing 88 for moving the interlocking housing 88 on the protective housing 92. The cord body 94 is connected to the cable 90 through the fixing structure 96, and the fixing structure 96 is fixed to the protective casing 92 by the fixing plate 98.

The operation of the second embodiment of the present creation is described below. When the pull rod 26 is not pulled up, the mounting block 68 is located at the bottom of the first pocket 36, so that the brake body 24 and the brake ring body 20 are not in contact with each other, and the wheel body 18 can pass through the first hollow sleeve 12 at this time. The second hollow sleeve 22 is rotated relative to the wheel carrier 10. When the rope body 94 is pulled up, the rope body 94 sequentially drives the cable 90, the linkage housing 88 and the fourth hollow sleeve 82, so that the fourth hollow sleeve 82 compresses the spring 86, thereby sequentially driving the second buckle. 84 moves up with the lever 26. Therefore, the pull rod 26 drives the mounting block 68 and the moving block 70 to compress the elastic body 54 while driving the brake body 24 through the mounting block 68 to rotate the first brake shaft 20 with the first pivot 60 as the axial direction. When the first brake surface of the brake ring body 20 is in contact with the second brake surface of the brake body 24, the brake body 24 can prevent the brake ring body 20 and the wheel body 18 from rotating. In the second embodiment, since the first brake surface and the second brake surface are both taken as the gear surface, when the two gear surfaces are in frictional contact, if the wheel body 18 is still rotated, the brake body 24 will be the first pivot. The shaft 60 rotates in the opposite direction of the axial brake ring body 20, so that there is a force to temporarily move the pull rod 26 and the second buckle ring 84 downward, and the spring 86 can buffer the impulse.

In summary, the present invention installs the drawbar through the linkage on the brake body. When the pullbar is pulled up, the brake body can be manipulated to prevent the wheel from sliding, so as to stop the rotation or deceleration of the wheel.

10‧‧‧round frame
12‧‧‧First hollow sleeve
14‧‧‧Connector
16‧‧‧ wheel tray
18‧‧‧ wheel body
20‧‧‧煞车环体
22‧‧‧Second hollow sleeve
24‧‧‧煞Car body
26‧‧‧ lever
28‧‧‧ Bearing
30‧‧‧ wheel body
32‧‧‧ Third hollow sleeve
34‧‧‧First buckle
36‧‧‧first pocket
38‧‧‧First fixing hole
40‧‧‧Second capacity
42‧‧‧First pivot hole
44‧‧‧Second pivot hole
46‧‧‧First positioning hole
48‧‧‧Second fixing hole
50‧‧‧Fixed parts
52‧‧‧ annular groove
54‧‧‧ Elastomers
56‧‧‧The third pivot hole
58‧‧‧fourth pivot hole
60‧‧‧First pivot
62‧‧‧Second pivot
64‧‧‧Second positioning hole
66‧‧‧First annular groove
68‧‧‧Installation block
70‧‧‧Mobile Stop
72‧‧‧Cylinder
74‧‧‧ Notch
76‧‧‧ gap
78‧‧‧ head
80‧‧‧ shaft
82‧‧‧fourth hollow sleeve
84‧‧‧Second buckle
86‧‧‧ Spring
88‧‧‧ linkage housing
90‧‧‧ Pull wire
92‧‧‧Protection housing
94‧‧‧rope
96‧‧‧Fixed structure
98‧‧‧ fixed board
100‧‧‧second annular groove

Fig. 1 is a perspective view showing the structure of the first embodiment of the creation. Figure 2 is an exploded view of the first embodiment of the creation. Fig. 3 is a cross-sectional view showing the planar structure taken along line A-A' of Fig. 1 of the present invention. Figure 4 is a partial exploded view of the first embodiment of the present invention. Fig. 5 is a perspective sectional view showing the first embodiment of the creation taken along the line A-A'. Figure 6 is a structural exploded view of the fourth hollow sleeve, the second buckle, the spring, the interlocking housing, the cable, the protective casing, the rope body, the fixing structure and the fixing plate of the second embodiment of the present invention. Figure 7 is a schematic view showing the operation of the second embodiment of the present invention when the drawbar is pressed down. Figure 8 is a schematic view showing the operation of the second embodiment of the present invention when the pull rod is pulled up.

10‧‧‧round frame

12‧‧‧First hollow sleeve

14‧‧‧Connector

16‧‧‧ wheel tray

18‧‧‧ wheel body

20‧‧‧煞车环体

22‧‧‧Second hollow sleeve

24‧‧‧煞Car body

26‧‧‧ lever

28‧‧‧ Bearing

30‧‧‧ wheel body

32‧‧‧ Third hollow sleeve

34‧‧‧First buckle

36‧‧‧first pocket

38‧‧‧First fixing hole

40‧‧‧Second capacity

42‧‧‧First pivot hole

44‧‧‧Second pivot hole

46‧‧‧First positioning hole

48‧‧‧Second fixing hole

50‧‧‧Fixed parts

52‧‧‧ annular groove

54‧‧‧ Elastomers

56‧‧‧The third pivot hole

58‧‧‧fourth pivot hole

60‧‧‧First pivot

62‧‧‧Second pivot

64‧‧‧Second positioning hole

66‧‧‧First annular groove

68‧‧‧Installation block

70‧‧‧Mobile Stop

72‧‧‧Cylinder

76‧‧‧ gap

78‧‧‧ head

80‧‧‧ shaft

Claims (16)

The utility model relates to a brake wheel type wheel base, comprising: a wheel frame, wherein a top surface of the upper half is recessed with a first receiving groove, and at least one side of the lower half is recessed with at least one second receiving groove, the first receiving groove is connected a second cavity, the first cavity is provided with a first hollow sleeve; a connector is disposed in the first cavity, and is disposed in the second cavity; at least one wheel body Fixing a brake ring body and a second hollow sleeve coaxially, the second hollow sleeve is located inside the brake ring body, and the first hollow sleeve is pivotally connected to the second hollow sleeve, the wheel body, the wheel body The brake ring body and the second hollow sleeve are disposed in the second pocket, and the wheel body is rotated relative to the wheel frame through the first hollow sleeve and the second hollow sleeve; at least one body, The device is disposed between the wheel frame and the wheel body, and is offset from the position of the first hollow sleeve and the second hollow sleeve, and is disposed corresponding to the brake ring body, wherein the brake body utilizes a first pivot With a second The pivot is respectively pivotally connected to the wheel frame and the connecting rod; and a pull rod is fixed at one end thereof to the connecting rod, so as to drive the linker to control the brake body to move to the brake ring body, and the brake body and the brake body When the ring body is in contact, the brake body prevents the brake ring body and the wheel body from rotating. The wheel-type wheel base of claim 1 further includes a wheel tray, wherein a first positioning hole is formed in the middle, and the wheel tray is fixed to the wheel frame by using a plurality of fixing members, and the connecting body is provided with At least one elastic body, the elastic body is located between the wheel tray and the linkage to abut the wheel tray, the pull rod is inserted into the first positioning hole, and the pull rod drives the connector to compress the elasticity body. The locomotive wheel base of claim 2, wherein the top surface of the wheel frame is further recessed with a plurality of first fixing holes, and the wheel frame plate is further provided with a plurality of second holes around the first positioning hole. The fixing holes are respectively disposed through the second fixing holes to be respectively fixed in the first fixing holes, thereby fixing the wheel frame to the wheel frame. The slidable wheel-type wheel base of claim 3, wherein the fixing members are screws, and the first fixing holes and the second fixing holes are screw holes. The second wheel housing, the wheel body and the brake body are respectively two in size, and the two second slots are respectively located in the lower half of the wheel carrier. On the opposite sides of the portion, the two wheel bodies are respectively located in the two second pockets, and the two body bodies are respectively located in the two second pockets, and the two wheel bodies respectively fix the two brake ring bodies coaxially, the two brake ring bodies They are respectively located in the two second pockets. The slidable wheel-type wheel base according to claim 5, wherein the wheel frame is further provided with a first pivot hole for communicating with the second plurality of slots, the first pivot hole is disposed through the first pivot hole Medium to pivot the wheel frame and the brake bodies. The slidable wheel carrier of claim 5, wherein the connector further comprises: a mounting block located in the first receiving slot, the mounting block is provided with a second pivoting hole, and the side of the mounting block is disposed The second pivot hole is disposed in the second pivot hole to pivotally connect the mounting block and the brake body; a moving block a block, located in the first receiving slot, and disposed on the mounting block, the side of the moving block is concavely disposed to communicate with one of the notches, the moving block fixing the end of the pull rod in the notch, And the rod is disposed in the notch to be exposed from the first receiving slot; and at least one cylinder is located in the first receiving slot and is disposed on the moving block, and the cylinder is sleeved The elastic body is disposed between the wheel tray and the moving block. The brake wheel-type wheel base of claim 7, wherein the number of the elastic body and the cylinder are two, and the two elastic bodies respectively sleeve the two cylinders. The brake wheel carrier of claim 7, wherein the lever further comprises: a head fixed in the recess; and a shaft connected at one end to the head and disposed in the notch In the first positioning hole. The brake wheel-type wheel base of claim 1, wherein the brake body is further provided with a third pivot hole and a fourth pivot hole, and the first pivot hole is disposed in the third pivot hole. The second pivot shaft is inserted into the fourth pivot hole to pivotally connect the brake body and the connecting body. The brake wheel carrier of claim 10, wherein the brake ring body and the brake body respectively have a first brake surface and a second brake surface, the first brake surface facing the second brake surface. The brake wheel mount of claim 11, wherein the first brake surface and the second brake surface are both gear faces. The brake wheel carrier according to claim 2, further comprising: a bearing, the top of the wheel tray is provided with an annular groove surrounding the first positioning hole to receive the bearing, and the fixing members are worn The annular groove is fixed to fix the wheel frame and the wheel frame; a wheel body is pivotally disposed on the wheel frame to be disposed on the bearing, and a second is disposed in the middle of the wheel body a positioning hole; a third hollow sleeve, the outer surface of which is provided with a first annular groove, the third hollow sleeve is disposed in the first positioning hole and the second positioning hole to expose the first ring Forming a groove, and the draw rod is disposed in the third hollow sleeve and exposed from the third hollow sleeve; and a first buckle is disposed in the first annular groove, and Adhering to the wheel base body to fix the third hollow sleeve in the first positioning hole and the second positioning hole. The slidable wheel carrier according to claim 13, further comprising: a fourth hollow sleeve, the rod is inserted in the fourth hollow sleeve and exposed from the third hollow sleeve, the fourth a hollow sleeve is located above the third hollow sleeve, the fourth hollow sleeve is slid on the pull rod, the outer surface of the fourth hollow sleeve is provided with a second annular groove; a second buckle, Fastened on the pull rod and located above the fourth hollow sleeve; a spring sleeved with the pull rod, one end of the spring is fixed on the second buckle, and the other end is located on the second buckle and the a fourth hollow sleeve; a linkage housing, which is disposed above the wheel housing and fixed in the second annular groove to cover the spring and the second buckle; a wire, one end of which is fixed on the linkage housing to drive the connection The movable housing and the fourth hollow sleeve compress the spring to sequentially drive the second buckle and the pull rod. The brake wheel carrier according to claim 14, further comprising: a protective casing disposed on the interlocking casing for moving the interlocking casing on the protective casing; and a rope body The wire is connected to the wire through a fixing structure, and the fixing structure is fixed to the protective casing by a fixing plate. The brake wheel mount of claim 2, wherein the elastomer is a spring.