TWI451985B - Combination castor whose castor assemblies are braked and positioned simultaneously - Google Patents

Description

Brake wheel set

The invention relates to a brake wheel set, mainly for a medical device which can be combined with a medical device such as an infant seat, a hospital bed or a wheelchair, or a wheel structure of a shelf and a cabinet substrate.

According to the "two-segment positioning wheel set", as in the Republic of China Patent Application No. 099215422, a wheel set having two stages of positioning includes at least a main body, a control group, a first fixed group, a second fixed group, and a shaft. The main body is a bracket that is assembled as a wheel set. It is mainly composed of a frame and a wheel. The wheels are respectively pivoted on the left and right sides of the frame, and the control group is first set in the frame frame. The fixed group, the second fixed group and the shaft body; the improvement is: the main body, the control group, the first fixed group, the second fixed group and the shaft body are arranged in the frame; the control group is arranged on the side of the frame for the user The operation of controlling the structure of the wheel is mainly composed of a steering limit control block, a positioning end A, a positioning end B, an inner groove, a brake positioning control block and a top block, and the steering limit control block is pivoted on the frame. The positioning end A and the positioning end B are respectively disposed under the steering limit control block, and the positioning end A and the positioning end B are respectively fastened on the groove A and the groove B on the movable block of the first fixed group, and then Steering limit control The inner grooves are formed, the groove and the brake block is pivoted position control, the brake control block positioned at one end of the top block is provided, the following control group The first fixed group is assembled in the frame; the first fixed group is disposed in the frame, and is mainly composed of a movable block, a bottom plate, a spring piece and a convex end, and the movable block is fixed on the bottom plate and is on the movable block. The groove A and the groove B are formed. The groove A and the groove B respectively engage the positioning end A of the control group and the positioning end B, and the bottom plate is pivoted in the frame, and the bottom plate is provided with a spring piece. The elastic piece can be placed in the frame, and a convex end is disposed at one end of the bottom plate, and a second fixed group is disposed in the frame of the other end of the first fixed group; the second fixed group is disposed in the frame, mainly by The push block, the push surface, the chute, the elastic member, the slider, the chute, the perforation and the positioning shaft are formed, the push block is arranged in the frame, and the push surface is formed on one side of the push block, followed by the push block 2 The side is provided with a chute, and on the push block opposite to the pushing surface, an elastic member is arranged, and the elastic member supports the push block on the top block of the control, and then a slider is provided, and the inner side of the slider is provided There is a chute, the chute can be assembled on the chute, and a perforation is provided on the slider, and the perforation is pivotally set. The positioning shaft can be combined with the movement of the slider to fix or loosen the inside and outside of the ring hole of the shaft body; the shaft body is arranged in the frame, mainly by a pivot, a positioning plate, a limit plate and a slotted groove. The pivotal system is disposed in the frame, and the upper end of the pivot is coupled to a medical device such as an infant seat, a hospital bed or a wheelchair, and the pivot shaft is provided with a positioning plate, and the positioning disk is formed with a plurality of ring holes and rings. The hole allows the positioning shaft of the second fixed group to be inserted, and the limit plate is arranged at the end of the pivot, the limit plate can rotate with the pivot, and the limiting plate is formed with a groove, the groove system The male end may be embedded in the recessed groove in a state corresponding to the convex end of the first fixed group, thereby restricting the straight direction of the wheel.

In the above-mentioned "wheel group with two-stage positioning", when the wheel set is in use, each of the wheels must be individually controlled by one foot, so that a cart has four wheels, and the cart is to be used. Positioning must be done by positioning each wheel one by one, which is quite time consuming and quite inefficient.

In view of the above-mentioned shortcomings, the inventor believes that it has the urgent need to make corrections, and that it has been engaged in the design and manufacture of related products for many years, and has always adhered to the excellent design concept, and researched and created the above disadvantages. After continuous efforts, the brake wheel set of the present invention was finally introduced, which improved the product's efficacy by correcting the excellent product structure.

The main purpose of the brake wheel set of the present invention is to provide a wheel set which can be effectively controlled by an external braking device to control the braking and positioning functions, and at the same time, can be controlled in plurality to improve the utility of the utility model.

For the purpose of the foregoing disclosure, the present invention relates to a brake wheel set, which mainly comprises a control group, a brake set and a wheel: the control group is mainly composed of a fixed block, a lug, a displacement slot, a wall hole, a control block, The pivoting end, the upper inclined surface, the limiting hole and the limiting shaft are formed, and a displacement groove is arranged in the fixing block, and a control block is also arranged in the displacement groove, and a pivoting end is arranged on one side of the control block, the pivot The end of the control block can be pivotally connected to the brake device. The bottom of the control block is provided with an upper inclined surface, and the upper inclined surface can be adhered to the front end of the pivot of the brake set. The brake set is mainly composed of a casing and a top cover. The pivot shaft, the brake block and the braking surface are formed, and the top cover is arranged on the upper side of the outer casing, and a pivoting through fixing block is arranged to the inside of the outer casing and locked on the brake block, and the pivot head end can be attached to the upper inclined surface. The brake block is disposed in the outer casing, and the brake device drives the control block to control the pivot shaft, so that the pivoting brake surface is attached to the wheel to achieve the braking effect, and at the same time, the plurality of wheel sets can be controlled to operate together. Compared with the prior art "wheel set with two stages of positioning , Necessary to the operation of the wheel of a respective one control, it is very time consuming, non-efficient, while wheel set of the present invention can simultaneously be controlled by a braking device, which can be effectively used to enhance the efficiency and practicality are.

1‧‧‧Control Group

11‧‧‧Fixed blocks

12‧‧‧ lugs

121‧‧‧Lock hole

13‧‧‧ displacement slot

14‧‧‧ wall hole

15‧‧‧Control block

16‧‧‧ pivot end

17‧‧‧Upper slope

18‧‧‧Limited holes

19‧‧‧ Limit shaft

2‧‧‧ brake group

21‧‧‧ Shell

22‧‧‧Top cover

23‧‧‧ pivot

231‧‧‧ head end

232‧‧‧Flexible parts

24‧‧‧ brake block

25‧‧‧ brake surface

251‧‧ ‧ convex teeth

26‧‧‧ recessed hole

27‧‧‧Upper teeth

28‧‧‧ Positioning block

29‧‧‧ lower teeth

3‧‧‧ Wheels

31‧‧‧ brake card slot

4‧‧‧ brakes

The first figure: the assembled perspective of the wheel set of the invention is a single wheel type

Second: a partial perspective view of the brake block of the wheel set of the present invention

The third figure: the overall stereoscopic view of the wheel set of the invention is a single wheel type

The fourth figure: the front section of the wheel set of the invention is a single wheel type

Fig. 5 is a schematic cross-sectional view of the wheel set of the present invention in a single wheel type

Figure 6: The assembled schematic view of the wheel set of the present invention is a two-wheel type

Seventh: The front cross section of the wheel set of the present invention is a two-wheel type

Figure 8: Schematic diagram of the rear wheel of the wheel set of the present invention

Ninth view: a three-dimensional diagram of a plurality of wheel sets of the present invention

The invention relates to a brake wheel set, [please refer to the first figure] mainly comprising: a control group (1), which is capable of controlling a brake group by means of a brake device (2), mainly by a fixed block (11), lug (12), displacement groove (13), wall hole (14), control block (15), pivoting end (16), upper inclined surface (17), limiting hole (18) and limit The shaft (19) is formed by extending at least two sides of the fixing block (11), and the lug (12) is provided with a plurality of locking holes (121). The hole (121) can lock the fixing block (11) to the bottom of an article, and a displacement groove (13) is recessed in the fixing block (11), and at least two of the two side walls of the displacement groove (13) are opened. a control hole (14) is also disposed in the displacement hole (14). The control block (15) is provided with a pivot end (16) on one side, and the pivot end (16) can be outwardly The brake device is pivotally connected to drive the control block (15), and the bottom of the control block (15) is provided with an upper inclined surface (17), and the upper inclined surface (17) is inclined at a predetermined angle on the control block (15), so that the control Block (15 The thickness of one end is thinner and the other end is thicker. At least two limiting holes (18) are defined in the two side walls of the control block (15), and the limiting hole (18) communicates with the wall hole (14), and at least The second limiting shaft (19) simultaneously passes through the limiting hole (18) and the wall hole (14), and the upper inclined surface (17) can be coupled to the head end of the pivot (23) of the brake group (2) (231) a pair of brakes (2), [please refer to the second figure] is a device that can brake the wheel (3) under the control of the control group (1), mainly by the outer casing (21), Top cover (22), pivot (23), brake block (24), brake surface (25), recessed hole (26), upper latch (27), positioning block (28) and lower latch (29) The utility model comprises a casing (21) for assembling, a top cover (22) can be arranged above the outer casing (21), and an arc-shaped head end (231) is arranged on the top of the pivot shaft (23), the pivot shaft ( 23) An elastic member (232) is further disposed on the shaft body, and the pivot shaft (23) passes through the fixing block (11) of the control group (1) and then passes through a positioning block (28) to the outer casing (21). The inside is locked to a brake block (24) such that the pivot (23) is pushed up by the elastic member (232) so that the head end (231) can be attached to the inclined surface of the control group (1) (17) ), and the brake The block (24) and the positioning block (28) are respectively disposed in the outer casing (21), and a braking surface (25) is disposed on the bottom surface of the braking block (24), and the braking surface (25) can be attached to the wheel during braking ( 3) The brake function is achieved, and a recessed hole (26) is also arranged on the brake block (24). The upper end of the recessed hole (26) has a plurality of upper latches (27) protruding downward, and the positioning block (28) is assembled. On the brake block (24), the positioning block (28) is provided with a plurality of lower latching teeth (29). When the brake block (24) is driven downward by the pivot shaft (23), the upper latching teeth can be arranged ( 27) engaging the lower latch (29) for positioning effect; a wheel (3) is coupled to the outer casing (21) of the brake set (2), [Please refer to the third figure] By assembling the control group (1), the brake group (2) and the wheel (3), the brake wheel set of the present invention can be obtained.

The brake wheel set of the present invention, [please refer to the fourth and fifth figures together], is a pivoting end (16) of the control group (1) pivotally connected to a braking device (4), which is implemented Pulling the control block (15) of the control group (1) in a predetermined direction by the braking device (4), at which time the pivot end (23) of the brake group (2) has a head end (231) at its upper end Then, the upper inclined surface (17) is moved to a thicker portion of the control block (15), which causes the pivot (23) to compress the elastic member (232) to be displaced downward, and thus, the pivot (23) The brake block (24) locked at the lower end will drive the brake surface (25) to move downward so that the brake surface (25) can be attached to the wheel (3) to complete the brake and, in addition, the pivot (23) When the squeeze is displaced downward, the brake block (24) locked at the lower end of the pivot (23) will also drive the upper latch (27) to move downward to lower the latch (27) while down. Engaged with the lower latch (29) on the positioning block (28) to complete the positioning of the implementer.

The brake wheel set of the present invention, [see the first figure], the wheel (3) can be a single wheel type, [see the sixth figure] can also be a two-wheel type, the brake of the brake group (2) The brake surface (25) on the block (24) is provided with a convex tooth (251), and the wheel (3) is provided with two brake pads (31) on the inner side of the two wheels (3). And the convex teeth (251) of the brake surface (25) can be engaged in the brake card slots (31) on the two wheels (3) when braking.

The brake wheel set of the present invention, [please refer to the seventh and eighth figures together] is an embodiment of the two-wheel type of the present invention, which is also outwardly transmitted through the pivoting end (16) of the control group (1) Pivoting a brake device (4), which is implemented by braking The device (4) pulls the control block (15) of the control group (1) in a predetermined direction, at which time the head end (231) of the upper end of the pivot (23) of the brake group (2) is moved. The upper inclined surface (17) is moved to a thicker portion of the control block (15), which causes the pivot (23) to compress the elastic member (232) to be displaced downward, and thus the lower end of the pivot (23) is locked. The brake block (24) will drive the brake surface (25) to move downward so that the convex teeth (251) of the brake surface (25) can engage the brake slots on the two sides of the two wheels (3) (31). In order to complete the implementation of the brake, in addition, when the pivot (23) is pressed downward, the brake block (24) locked at the lower end of the pivot (23) will also drive the upper latch (27) The lower displacement is performed by simultaneously engaging the upper latch (27) with the lower latch (29) on the positioning block (28) to complete the positioning.

The brake wheel set of the present invention, [see the ninth figure] can be controlled by an external brake device (4), and can simultaneously control a plurality of wheel sets to act together, thereby effectively improving the efficiency of use thereof, and Practicality.

In summary, it is understood that the present invention is novel, and the present invention is not found in any publication, and is in compliance with the provisions of Articles 21 and 22 of the Patent Law.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto. That is, the equivalent changes and modifications made by the invention in accordance with the scope of the invention are still within the scope of the invention.

1‧‧‧Control Group

11‧‧‧Fixed blocks

12‧‧‧ lugs

121‧‧‧Lock hole

13‧‧‧ displacement slot

14‧‧‧ wall hole

15‧‧‧Control block

16‧‧‧ pivot end

17‧‧‧Upper slope

18‧‧‧Limited holes

19‧‧‧ Limit shaft

2‧‧‧ brake group

21‧‧‧ Shell

22‧‧‧Top cover

23‧‧‧ pivot

231‧‧‧ head end

232‧‧‧Flexible parts

24‧‧‧ brake block

25‧‧‧ brake surface

28‧‧‧ Positioning block

29‧‧‧ lower teeth

3‧‧‧ Wheels

Claims (5)

A brake wheel set mainly comprises: a control group, which is mainly composed of a fixed block, a displacement slot, a wall hole, a control block, a pivoting end, an upper inclined surface, a limiting hole and a limiting shaft, wherein the fixing block is concave a displacement slot, the two side walls of the displacement slot are provided with at least two wall holes, the displacement slot is provided with a control block, and one side of the control block is provided with a pivoting end, and the pivoting end can be pivoted outwardly to brake The device drives the control block with a beak, and an upper inclined surface is arranged at the bottom of the control block, and at least two limiting holes are defined in the two side walls of the control block, the limiting hole is connected with the wall hole, and at least two limiting axes can be simultaneously The limiting hole and the wall hole are worn, and the upper inclined surface can be adhered to the head end on the pivot of a brake group; the brake group is mainly composed of a casing, a top cover, a pivot shaft, a brake block, a brake surface, a recessed hole, an upper latching tooth, a positioning block and a lower latching tooth; the outer cover is covered with a top cover, and a top end is arranged on the top of the pivot shaft, and an elastic member is disposed on the pivot shaft body, and the pivot shaft is worn The fixing block of the control group is further put through the set block to the inside of the casing and locked on a brake block, so that The pivot is pushed up by the elastic member, so that the head end can be attached to the inclined surface of the control group, and the brake block is disposed in the outer casing. The brake block has a braking surface on the bottom surface thereof, and the braking surface can be braked. Attached to the wheel to achieve the braking effect, there is also a recessed hole in the brake block, the upper end of the recessed hole protrudes downwardly with a plurality of upper teeth, and the positioning block is assembled on the brake block, and the positioning block is provided There are a plurality of lower latches, and when the brake block is driven downward by the shaft, the upper latches are engaged with the lower latches to achieve the positioning effect; a wheel is coupled to the outer casing of the brake set; By means of the brake device pivoted by the pivoting end of the control group, the brake surface can be attached to the wheel to fix the wheel to the brake state. The brake wheel set according to claim 1, wherein the brake wheel set can be of a single wheel or a double wheel type. The brake wheel set according to claim 2, wherein the brake wheel set is a two-wheel type, and the brake surface on the brake block of the brake group can be provided with a convex tooth, and the wheel is provided with two. Brake teeth are also provided on the opposite sides of the two wheels, and the teeth of the brake surface can be engaged in the brake slots on the two wheels during braking. The brake wheel set of claim 1, wherein the fixing block of the control group has at least two sides extending outwardly to form a lug, and the lug can be provided with a plurality of locking holes. The locking hole can lock the fixing block to the bottom of an item. The brake wheel set according to claim 1, wherein the pivot of the brake set and the head end of the pivot top are arc-shaped.