CN218804980U - Shallow structure with multiple braking double round truckles - Google Patents

Abstract

The utility model discloses a shallow structure with multiple braking double round truckle, include: first year goods board and truckle, four internal angle departments of first year goods board below are provided with the truckle, the truckle includes the main support, the installation axle, brake block and gyro wheel, be provided with brake drive block on the main support and the drive block that resets, brake block one end is provided with latch portion, the relative other end is provided with brake part, the brake part back is supported in brake drive block below, the main support both sides are provided with the gyro wheel of symmetrical arrangement, the gyro wheel inside wall is provided with the ring gear structure, the brake part both sides are provided with symmetrical arrangement's arc tooth board, be provided with the tooth's socket that is used for with ring gear structure block on the arc tooth board, the ring gear structure includes first ring gear and the second ring gear of arranging in proper order from the gyro wheel inside wall, first ring gear and second ring gear coaxial arrangement. The utility model discloses compare in prior art, the locking of shallow is effectual, and the shallow adopts bilayer structure, can be convenient for bear more goods.

Description

Shallow structure with multiple braking double round truckles

Technical Field

The utility model belongs to commodity circulation shallow field especially relates to a shallow structure with multiple braking double round truckle.

Background

The universal wheel refers to a bracket which is arranged on a caster wheel and can horizontally rotate for 360 degrees in dynamic load or static load. The universal wheels are usually provided with a braking structure to achieve locking. As disclosed in chinese patent CN206938338U, a universal wheel with a shock absorbing structure and a brake apparatus includes a brake structure and a brake apparatus, the brake apparatus includes a brake fluted disc fixedly disposed on a vertical shaft and connected with the bottom of the vertical shaft and having a plurality of locking teeth, a brake bracket connected with a support frame and having a first rotating shaft, a locking pedal rotatably connected with the brake bracket through a second rotating shaft, and an unlocking pedal rotatably connected with the locking pedal through a third rotating shaft; the shock absorbing structure comprises a pressure spring and a pressure shaft, wherein the upper end and the lower end of the pressure shaft are respectively provided with a first stop dog and a second stop dog, the vertical shaft is provided with a first table board, the first table board is provided with a first through hole, and the other end of the transmission support in the horizontal direction, which is fixedly connected with the vertical shaft, is provided with a second table board.

The brake structure of current double round truckle is except realizing the wheel body locking through frictional force, realizes the locking through tooth board and ring gear cooperation in addition. For example, chinese patent CN212242826U discloses a novel universal caster comprising a wheel carrier, wherein two sides of the wheel carrier are respectively provided with a roller, and the two rollers are respectively connected with a support shaft penetrating through the wheel carrier through bearings; the lower end of the mounting shaft is connected with a vertical mounting hole on the wheel carrier through a rotating body, and the bottom of the mounting shaft is fixedly provided with a chuck arranged in a wheel carrier cavity; the brake driving block rotates downwards to push the brake block to clamp the roller and the chuck; the reset driving block rotates upwards to drive the brake driving block and the brake block to rotate upwards for resetting; the brake block sequentially comprises a tooth clamping part, a spring mounting part, a first hinge part and a brake part from front to back, the spring mounting part is connected with one end of a spring, and the other end of the spring abuts against a spring mounting cavity formed in a cavity of the wheel carrier; the first hinge part is hinged with the wheel carrier; two arc tooth plates on the brake part penetrate through the cavity of the wheel carrier and are used for clamping the roller.

Adopt tooth dental lamina and ring gear cooperation to realize the universal castor of locking on the shallow, tooth dental lamina and ring gear are the plastics material usually, and the damage of warping easily leads to the locking effect not good, influences the use of shallow.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: the utility model provides a shallow structure with multiple braking double round truckle, the locking of shallow is effectual, and the shallow adopts bilayer structure, can be convenient for bear more goods.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a cart structure having a multi-brake twin caster comprising: first load board and truckle, four internal angles departments of first load board below are provided with the truckle, the truckle includes the main support, the installation axle, brake block and gyro wheel, be provided with brake drive block and reset drive block on the main support, install rotatable the installing on the main support of axle, the truckle is through installing axle fixed mounting on first load board, install the axle bottom and stretch into the main support inner chamber, install the axle bottom and be provided with the chuck, brake block fixed mounting is in the main support, brake block one end is provided with latch portion, the relative other end is provided with brake part, the brake part back supports in brake drive block below, the main support both sides are provided with symmetrical arrangement's gyro wheel, the gyro wheel inside wall is provided with the ring gear structure, brake part both sides are provided with symmetrical arrangement's arc tooth plate, be provided with the tooth's socket that is used for with ring gear structure block on the arc tooth plate, the ring gear structure includes first ring gear and the second ring gear that arranges in proper order from the gyro wheel inside wall, first ring gear and second ring gear coaxial arrangement, the diameter of second ring gear is less than the diameter of first ring gear.

As a further description of the above technical solution:

the brake driving block is provided with a bending section.

As a further description of the above technical solution:

the back of the brake driving block is provided with reinforcing ribs arranged along the width direction of the brake driving block.

As a further description of the above technical solution:

the first cargo carrying plate is provided with a handrail frame, and the handrail frame comprises two supporting rods which are arranged in parallel.

As a further description of the above technical solution:

still be provided with second cargo carrying board, screw rod and locating piece on the first cargo carrying board, the second cargo carrying board cover is established on the bracing piece, and the second cargo carrying board back articulates there is branch, and screw rod fixed mounting is on first cargo carrying board, and the screw rod tip stretches into the inside cavity of bracing piece, and locating piece threaded connection is provided with the first mounting groove that the position corresponds the locating piece on the bracing piece on the first cargo carrying board.

As a further description of the above technical solution:

the back of the second cargo carrying plate is provided with a second mounting groove for accommodating the supporting rod.

As a further description of the above technical solution:

the end part of the supporting rod is provided with a connecting sleeve which is in threaded connection with the supporting rod.

As a further description of the above technical solution:

the second cargo carrying plate is provided with a slot of which the position corresponds to the connecting sleeve.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the double-deck ring gear that the gyro wheel inboard set up combines the latch portion of brake block, realizes the multiple braking of truckle. Due to the design of the double-layer gear ring, on one hand, the whole gear ring is not easy to deform and lose efficacy, and the roller locking effect is improved; on the other hand, the strength of the roller can be improved, the roller is prevented from deforming, and the bearing capacity of the cart is improved.

2. The utility model discloses in, because the locking of truckle is effectual, the shallow can realize the locking under bigger load, consequently sets up the shallow into adjustable bilayer structure, is convenient for bear more goods.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a side view of a stroller with a multi-brake dual caster.

Fig. 2 is a schematic view of a main perspective structure of a cart structure having a multi-brake dual-wheel caster.

Fig. 3 is a schematic view showing a state change of a cart structure having a multi-brake caster.

Fig. 4 is a first schematic view of the structure of the caster in the cart structure with the multi-braking two-wheel caster.

Fig. 5 is a partial enlarged view of a portion a in fig. 4.

Fig. 6 is a second schematic view of the casters of the cart with multiple-brake dual-wheel casters.

Fig. 7 is a schematic view showing a locking state of casters in a cart structure having multi-brake two-wheeled casters.

Illustration of the drawings:

1. a first cargo carrying board; 11. a first mounting groove; 2. a caster wheel; 21. a main support; 211. a brake driving block; 2111. bending; 2112. reinforcing ribs; 212. resetting the driving block; 22. installing a shaft; 221. a chuck; 23. a brake block; 231. a latch part; 232. a brake section; 233. an arc-shaped tooth plate; 24. a roller; 25. a gear ring structure; 251. a first ring gear; 252. a second ring gear; 3. a handrail frame; 31. a support bar; 311. a cavity; 4. a second cargo carrying board; 41. a strut; 42. a second mounting groove; 43. connecting sleeves; 5. a screw; 6. and (7) positioning the blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the terms "upper", "inner" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-7, the present invention provides a technical solution: a cart structure having a multi-brake twin caster comprising: the cargo carrying plate comprises a first cargo carrying plate 1 and trundles 2, the trundles 2 are arranged at four inner corners below the first cargo carrying plate 1, each trundle 2 comprises a main support 21, an installation shaft 22, a brake block 23 and a roller 24, the main support 21 is provided with a brake driving block 211 and a reset driving block 212, the installation modes and the action principles of the brake driving block 211 and the reset driving block 212 are the prior art, and are not described in detail, the installation shaft 22 is rotatably arranged on the main support 21, the trundles 2 are fixedly arranged on the first cargo carrying plate 1 through the installation shaft 22, the bottom of the installation shaft 22 extends into the inner cavity of the main support 21, the bottom of the installation shaft 22 is provided with a chuck 221, the brake block 23 is fixedly arranged in the main support 21, brake block 23 one end is provided with latch portion 231, the relative other end is provided with brake portion 232, brake portion 232 supports in the back in brake drive block 211 below, main support 21 both sides are provided with symmetrical arrangement's gyro wheel 24, the gyro wheel 24 inside wall is provided with ring gear structure 25, brake portion 232 both sides are provided with symmetrical arrangement's arc tooth board 233, be provided with the tooth's socket that is used for with ring gear structure 25 block on the arc tooth board 233, ring gear structure 25 includes first ring gear 251 and the second ring gear 252 of arranging in proper order from the gyro wheel 24 inside wall, first ring gear 251 and the coaxial arrangement of second ring gear 252, the diameter of second ring gear 252 is less than the diameter of first ring gear 251.

The brake driving block 211 is provided with a bending section 2111, and the arc-shaped bending section 2111 on the brake driving block 211 avoids the reset driving block 212 on one hand, so that collision in the locking and resetting processes is avoided; on the other hand, the strength of the brake driving block 211 is improved, so that the brake driving block 211 is not easy to deform.

The reinforcing ribs 2112 arranged along the width direction of the brake driving block 211 are arranged on the back of the brake driving block 211, so that the strength of the brake driving block 211 is further improved, and the brake driving block 211 is not easy to deform.

The first cargo carrying plate 1 is provided with a handrail frame 3, and the handrail frame 3 comprises two support rods 31 which are arranged in parallel, so that the cart can be conveniently pushed.

Still be provided with second cargo carrying board 4 on the first cargo carrying board 1, screw rod 5 and locating piece 6, 4 covers of second cargo carrying board are established on bracing piece 31, 4 back articulates at the second cargo carrying board has branch 41, screw rod 5 fixed mounting is on first cargo carrying board 1, the tip of screw rod 5 stretches into in the cavity 311 of bracing piece 31 inside, 6 threaded connection of locating piece are on bracing piece 31, be provided with the first mounting groove 11 that the position corresponds locating piece 6 on the first cargo carrying board 1, realize adjustable double-deck shallow structure, the shallow can be converted into two-layer structure by the one deck according to the demand of carrying cargo. In a normal state, the second cargo carrying plate 4 is stacked on the first cargo carrying plate 1, and the cargo is placed on the second cargo carrying plate 4; when converting into two-layer, upwards pulling handrail frame 3, handrail frame 3 drives second and carries cargo board 4 and goes upward, moves to and moves locating piece 6 rotation after suitable high, supports second and carries cargo board 4 below, supports second and carries cargo board 4, rotates simultaneously and opens branch 41, and branch 41 bottom supports on first year cargo board 1, and branch 41 forms the support to second year cargo board 4 tip.

The back of the second cargo carrying board 4 is provided with a second mounting groove 42 for receiving the supporting rod 41, so as to receive the supporting rod 41, and the two cargo carrying boards 4 are stacked on the first cargo carrying board 1 flatly.

The end of the supporting rod 41 is provided with a connecting sleeve 43, the connecting sleeve 43 is in threaded connection with the supporting rod 41, the connecting sleeve 43 can rotate to adjust the overall length of the supporting rod 41, the second cargo carrying plate 4 can be placed horizontally, and cargo can be placed conveniently.

The second cargo carrying plate 4 is provided with a slot corresponding to the connecting sleeve 43, the connecting sleeve 43 can extend into the slot, and the slot positions the supporting rod 41, so that the supporting effect of the supporting rod 41 is improved, and the bearing capacity of the second cargo carrying plate 4 is improved conveniently.

The working principle is as follows: when truckle 2 carries out the locking, trample brake drive block 211, brake drive block 211 is rotatory downwards, brake drive block 211 extrudees brake block 23's brake portion 232, the arc tooth dental lamina 233 of brake portion 232 and the first ring gear 251 on the ring gear structure 25, second ring gear 252 block, prevent that gyro wheel 24 from rotating, the latch portion 231 and the chuck 221 block of the brake block 23 other end, prevent truckle 2 horizontal rotation, realize truckle 2's locking, the drive block 212 that resets simultaneously upwards rotates under brake drive block 211's drive. When the locking of the caster 2 is released, the reset driving block 212 is stepped down, the reset driving block 212 rotates downwards, the brake driving block 211 rotates upwards, the brake block 23 resets along with the reset driving block under the action of elastic force (the specific installation structure of the brake block 23 is the prior art), and the release of the locking state is realized.

The double-layer gear rings (the first gear ring 251 and the second gear ring 252) arranged on the inner side of the roller 24 are combined with the clamping tooth part 231 of the brake block 23 to realize the multiple braking of the caster. Due to the design of the double-layer gear ring, on one hand, the whole gear ring is not easy to deform and lose efficacy, and the locking effect of the roller 24 is improved; on the other hand, the strength of the roller 24 can be improved, the roller 24 is prevented from deforming, and the bearing capacity of the cart is improved. Because the locking of truckle is effectual, the shallow can realize the locking under bigger load, consequently sets up the shallow into adjustable bilayer structure, is convenient for bear more goods.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. A cart structure having a multiple-brake twin caster comprising: first year goods board (1) and truckle (2), four internal angle departments of first year goods board (1) below are provided with truckle (2), truckle (2) include main support (21), installation axle (22), brake block (23) and gyro wheel (24), be provided with brake drive block (211) and reset drive block (212) on main support (21), install axle (22) rotatable the installation on main support (21), truckle (2) are passed through installation axle (22) fixed mounting is in on first year goods board (1), installation axle (22) bottom stretches into main support (21) inner chamber, installation axle (22) bottom is provided with chuck (221), brake block (23) fixed mounting is in main support (21), brake block (23) one end is provided with latch portion (231), the relative other end is provided with brake portion (232), brake portion (232) back is supported brake drive block (211) below, main support (21) both sides are provided with symmetrical arrangement gyro wheel (24), gyro wheel (24) are provided with the inside wall tooth's face (233) of ring structure, the tooth's board (233) is used for the tooth's board (233) arrangement with arc-shaped tooth structure (233), the gear ring structure (25) comprises a first gear ring (251) and a second gear ring (252) which are arranged in sequence from the inner side wall of the roller (24), the first gear ring (251) and the second gear ring (252) are coaxially arranged, and the diameter of the second gear ring (252) is smaller than that of the first gear ring (251).

2. The cart structure with multiple-brake two-wheel caster wheels as claimed in claim 1, wherein said brake driving block (211) is provided with a bending section (2111).

3. The cart structure with multiple-brake two-wheel caster of claim 1, wherein the back of said brake driving block (211) is provided with a reinforcing rib (2112) arranged along its width direction.

4. The trolley structure with multiple-brake two-wheeled caster as claimed in claim 1, wherein said first cargo board (1) is provided with a handrail frame (3), said handrail frame (3) comprising two support bars (31) arranged in parallel.

5. The trolley structure with the multi-braking double-wheel caster comprises a first cargo carrying plate (1), wherein a second cargo carrying plate (4), a screw rod (5) and a positioning block (6) are further arranged on the first cargo carrying plate (1), the second cargo carrying plate (4) is sleeved on a supporting rod (31), a supporting rod (41) is hinged to the back of the second cargo carrying plate (4), the screw rod (5) is fixedly installed on the first cargo carrying plate (1), the end of the screw rod (5) extends into a cavity (311) inside the supporting rod (31), the positioning block (6) is in threaded connection with the supporting rod (31), and a first mounting groove (11) corresponding to the positioning block (6) in position is formed in the first cargo carrying plate (1).

6. The cart structure having multi-brake caster wheels according to claim 5, wherein the second cargo board (4) is provided at the rear thereof with a second mounting groove (42) for receiving the supporting rod (41).

7. The cart structure with multiple-brake two-wheel caster according to claim 5, wherein the end of said supporting rod (41) is provided with a connecting sleeve (43), said connecting sleeve (43) is screwed on said supporting rod (41).

8. The cart structure with multiple-brake two-wheeled caster as claimed in claim 7, wherein said second cargo board (4) is provided with slots corresponding to the positions of said connection sleeves (43).

Images