CN210707558U - Flat car with manual brake device - Google Patents
Flat car with manual brake device Download PDFInfo
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- CN210707558U CN210707558U CN201921750657.4U CN201921750657U CN210707558U CN 210707558 U CN210707558 U CN 210707558U CN 201921750657 U CN201921750657 U CN 201921750657U CN 210707558 U CN210707558 U CN 210707558U
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Abstract
The utility model provides a flatbed with manual brake device relates to the flatbed field, has solved the technical problem that the flatbed brake structure is complicated, braking effect is poor. The flat car with the manual brake device comprises a flat car body, a handrail frame, a pair of directional wheels, a pair of steering wheels and the manual brake device, wherein the directional wheels are arranged on a first wheel carrier fixedly connected with the flat car body, the steering wheels are arranged on a second wheel carrier rotatably connected with the flat car body, and the manual brake device comprises a brake pressure rod and a brake plug connected with the brake pressure rod; under the condition of no external force, the brake plug is abutted against the directional wheel or the second wheel carrier; when the brake pressure lever is applied with external force to be pressed close to the armrest frame, the brake plug is separated from the directional wheel or the second wheel frame; when the external force is removed, the brake plug is restored to be in contact with the directional wheel or the second wheel frame. The utility model is used for realize the brake that the flatbed is high-efficient, convenient, firm.
Description
Technical Field
The utility model belongs to the technical field of the flatbed technique and specifically relates to a flatbed with manual brake device is related to.
Background
People usually use the flatbed when carrying goods, the market of the flatbed is increasing and the sales volume is expanding, and the flatbed is also widely applied to the occasions such as logistics centers, markets, airports, stations and the like, but the existing flatbed has a defect that some flatbeds are not provided with manual brake devices, and when carrying goods, if the ground has a slope or the flatbed is applied with external force carelessly, the flatbed is easy to move or slide, so that the goods are scattered and collided; some flatbeds are designed for solving the problem of the additional structure with the foot brake, but the installation mode of the caster of the flatbed needs to be changed when the foot brake type brake is assembled, so that the use is inconvenient.
The applicant has found that the prior art has at least the following technical problems:
the flat car is easy to move when the traditional flat car loads and unloads goods, so that the situations of difficult loading, scattering and the like are caused, and the brake structure can be installed on the foot brake flat car only by changing the wheel installation mode, so that the use is inconvenient and the steering is inconvenient after the installation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide to solve the flatbed brake structure that exists among the prior art complicacy, the poor technical problem of braking effect. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a flatbed with hand brake device, including flatbed automobile body, handrail frame, wheel and hand brake device, wherein:
the wheels comprise directional wheels and steering wheels, the directional wheels are arranged on a first wheel carrier fixedly connected with the flat plate vehicle body, the steering wheels are arranged on a second wheel carrier rotatably connected with the flat plate vehicle body, at least one pair of directional wheels is arranged, and at least one pair of steering wheels is arranged;
the manual brake device comprises a brake compression bar and brake plugs connected with the brake compression bar, and each directional wheel and each second wheel carrier correspond to one brake plug;
under the condition that the brake pressure lever is free from external force, each brake plug is abutted against the corresponding directional wheel or the second wheel carrier, the directional wheel cannot rotate around the wheel carrier, and the second wheel carrier cannot rotate relative to the flat car body;
when the external force is removed, each braking plug returns to the state of abutting against the corresponding directional wheel or the second wheel carrier.
Furthermore, the wheels include a pair of the steering wheels and a pair of the directional wheels, the pair of the steering wheels are arranged at one end, close to the handrail frame, of the lower surface of the flat car body, and the pair of the directional wheels are arranged at one end, far away from the handrail frame, of the lower surface of the flat car body.
Furthermore, the manual brake device also comprises a winding box, a brake cable, a rebound box and a spring, the winding box is fixedly connected with the armrest frame, a pressure lever rotating shaft and a winding shaft which are parallel to each other are horizontally arranged in the winding box, two ends of the brake pressure lever are respectively vertically crossed and fixedly connected with the two pressure lever rotating shafts, the pressure lever rotating shafts are rotatably connected with the winding box, one end of the brake cable is connected with one end of the brake pressure lever, the other end of the brake cable bypasses one side of the winding shaft far away from the pressure lever rotating shaft, and sequentially passes through the rebound box and the spring in the rebound box and is connected with one end of the brake plug, one end of the brake plug is provided with a limiting snap ring, the other end of the brake plug penetrates out of the rebound box, the spring is sleeved on the brake line, and two ends of the spring are respectively abutted against the inner surface of the rebound box and the limiting snap ring; the rebound box is connected with the first wheel carrier, or the rebound box is connected with the flat car body.
Furthermore, the brake cable comprises a first bus brake cable connected with one end of the brake pressure lever, and a left steering brake cable and a right steering brake cable which are both connected with the first bus brake cable and respectively connected with the brake plugs corresponding to the pair of steering wheels; the brake device also comprises a second main brake cable connected with the other end of the brake pressure rod, and a left directional brake cable and a right directional brake cable which are both connected with the second main brake cable and respectively connected with the brake plugs corresponding to the pair of directional wheels; and a brake shoe is wrapped on the brake wire between the winding box and the rebound box.
Furthermore, the bottom of the second wheel carrier is circumferentially provided with a convex edge, the convex edge is circumferentially and uniformly distributed with clamping grooves, and the brake plug can be matched with the clamping grooves.
Furthermore, clamping holes are uniformly distributed in the circumferential direction of the hub of the directional wheel, and the brake plugs can be matched with the clamping holes.
Furthermore, clamping holes are uniformly distributed in the circumferential direction of the hub of the steering wheel.
Further, the handrail frame with the flatcar body rotates and is connected, the handrail frame can rotate to with the flatcar body be in and keep in open mode, perhaps the handrail frame can rotate to with the flatcar body is in fold condition.
Furthermore, one end of the flat car body is provided with a buckle which penetrates through the flat car body, and the buckle is arranged at one end far away from the armrest frame.
Furthermore, the lower surface of the flat car body is provided with a reinforcing rib, and the lower part of the armrest frame is provided with a baffle.
The utility model has the advantages that:
the utility model discloses a hand brake structure of a flat car, which has the main structural design that the brake structure of the flat car is optimized, the whole structure is convenient to use, the caster mounting mode of the flat car is not required to be changed, and the flat car is prevented from moving to cause scattering, collision and sliding when the flat car is loaded, the utility model discloses under the state without external force, a directional wheel is inconsistent with a brake plug and can not rotate along the rotating shaft, and a second wheel carrier provided with a steering wheel is also inconsistent with the brake plug and can not rotate relative to the flat car body; when the flat car needs to be moved, the braking state can be cancelled by pressing the braking pressure lever to the armrest frame, so that the flat car can move forward and/or turn; and the brake pressure lever is loosened, namely the flatbed returns to the state that the steering wheels can not steer and the directional wheels can not rotate to advance under the condition that the flatbed does not apply external force, so that the flatbed can not advance and can not steer, the movement of the flatbed is locked from all directions, the situations of inconvenient use of a sliding car and a foot brake are effectively solved, and the efficient, convenient, firm and stable brake mode is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a side view of the flat car with a hand brake of the present invention;
fig. 2 is a partial sectional view of the hand brake apparatus of the flat car with the hand brake apparatus according to the present invention;
FIG. 3 is a cross-sectional view of the rebounding cartridge of the flatbed with manual brake of the present invention;
FIG. 4 is a schematic view of the brake cable connection of the flat car with the manual brake device according to the present invention;
fig. 5 is a schematic view of the directional wheel (steering wheel) of the flat car with the manual brake device according to the present invention;
in figure 1, a platform body; 2. a handrail frame; 31. orienting the wheel; 311. a clamping hole; 32. a steering wheel; 321. a clamping hole; 41. a brake pressure lever; 42. a winding box; 421. a pressure lever rotating shaft; 422. a spool; 43. a brake cable; 431. brake shoe; 44. a rebound box; 45. a spring; 46. a brake plug; 461. a limit snap ring; 51. a first wheel carrier; 52. a second wheel carrier; 521. a convex edge; 522. a card slot; 6. a base.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.
As shown in fig. 1-5, the present invention provides a flat car with a manual brake device, which comprises a flat car body 1, a handrail frame 2, wheels and a manual brake device, wherein the wheels comprise directional wheels 31 and steering wheels 32, the directional wheels 31 are arranged on a first wheel carrier 51 fixedly connected with the flat car body 1, the steering wheels 32 are arranged on a second wheel carrier 52 rotatably connected with the flat car body 1, at least one pair of directional wheels 31 is provided, and at least one pair of steering wheels 32 is provided;
the manual brake device comprises a brake pressure rod 41 and brake plugs 46 connected with the brake pressure rod 41, wherein each directional wheel 31 and each second wheel frame 52 correspond to one brake plug 46;
under the condition that the braking pressure lever 41 is free from external force, each braking plug 46 is abutted against the corresponding directional wheel 31 or the second wheel carrier 52, the directional wheel 31 cannot rotate around the wheel carrier, and the second wheel carrier 52 cannot rotate relative to the flat car body 1;
when the brake pressure lever 41 is pressed close to the armrest frame 2 by applying an external force, each brake plug 46 is separated from the corresponding directional wheel 31 or second wheel frame 52, the directional wheel 31 can rotate around the wheel frame, the second wheel frame 52 can rotate relative to the flatbed vehicle body 1, and when the external force is removed, each brake plug 46 returns to the state of being in contact with the corresponding directional wheel 31 or second wheel frame 52.
The utility model discloses a hand brake structure of flatbed, the main structural design optimizes the brake structure of flatbed, and overall structure convenient to use need not to change flatbed truckle mounting means, prevents that the flatbed from moving when loading goods and causing the flat car to scatter and collide with, the swift current car, the utility model discloses under no external force state, directional wheel 31 is inconsistent with brake plug 46, can't rotate along its axis of rotation, and second wheel carrier 52 equipped with steering wheel 32 is also inconsistent by brake plug 46, can't rotate relative to flatbed body 1; when the flat car needs to be moved, the braking state can be cancelled by pressing the braking pressure lever 41 to the armrest frame 2, so that the flat car can move forward and/or turn; and the brake pressure lever 41 is loosened, that is, the flat car returns to the state that the steering wheel 32 cannot steer and the directional wheel 31 cannot rotate to advance under the condition that external force is not applied to the flat car, so that the flat car cannot advance and cannot steer, the movement of the flat car is locked from all directions, the situations of inconvenient use of a car sliding brake and a foot brake are effectively solved, and a high-efficiency, convenient, firm and stable brake mode is realized.
As an alternative embodiment, the wheels include a pair of steering wheels 32 and a pair of directional wheels 31, the pair of steering wheels 32 is disposed at one end of the lower surface of the platform body 1 close to the handrail frame 2, and the pair of directional wheels 31 is disposed at one end of the lower surface of the platform body 1 far from the handrail frame 2.
The wheels comprise at least one pair of steering wheels 32 and at least one pair of directional wheels 31, in the embodiment, the pair of steering wheels 32 and the pair of directional wheels 31 are arranged, the pair of steering wheels 32 are oppositely arranged at one end of the lower surface of the flat car body 1 close to the handrail frame 2, the pair of directional wheels 31 are oppositely arranged at one end of the lower surface of the flat car body 1 far away from the handrail frame 2, the directional wheels 31 are rotationally connected with a rotating shaft of a first wheel frame 51, the axis of the directional wheels 31 is consistent with the width direction of the flat car, and the first wheel frame 51 is fixedly connected with the lower surface of the flat car body 1 through a base; the steering wheel 32 is rotationally connected with a rotating shaft of the second wheel frame 52, the axis of the steering wheel 32 is parallel to the plane of the flat car body 1, the second wheel frame 52 is rotationally connected with a base 6 fixed on the lower surface of the flat car body 1, and the second wheel frame 52 can rotate around the vertical axis so as to realize the steering of the flat car;
the steerable wheels 32 are provided on the lower surface of the platform body 1 at the end close to the handrail frame 2 for the purpose of steering convenience, but it is also possible to provide the steerable wheels 32 on the lower surface of the platform body 1 at the end far from the handrail frame 2 and the directional wheels 31 on the lower surface of the platform body 1 at the end close to the handrail frame 2.
As an optional embodiment, the manual brake device further includes a winding box 42, a brake cable 43, a rebound box 44 and a spring 45, the winding box 42 is fixedly connected with the armrest frame 2, a pressing rod rotating shaft 421 and a winding shaft 422 which are parallel to each other are horizontally arranged inside the winding box 42, two ends of the brake pressing rod 41 are respectively perpendicularly crossed and fixedly connected with the two pressing rod rotating shafts 421, the pressing rod rotating shaft 421 is rotatably connected with the winding box 42, one end of the brake cable 43 is connected with one end of the brake pressing rod 41, the other end of the brake cable 43 bypasses the winding shaft 422 and is far away from one side of the pressing rod rotating shaft 421, the brake cable is sleeved with the spring 45, and two ends of the spring 45 are respectively abutted against the inner surface of the rebound box 44 and the limiting snap ring 461; the rebound box 44 is connected to the first wheel carrier 51, or the rebound box 44 is connected to the pallet body 1.
In this embodiment, the armrest frame 2 is an inverted U-shaped armrest frame 2, two supports of the armrest frame 2 are respectively provided with a winding box 42, 4 wheels are respectively provided with a rebound box 44, a pressing rod rotating shaft 421 is arranged at the upper part in the winding box 42 far away from the armrest frame 2, a winding shaft 422 is arranged at the lower part of the winding box 42 near the armrest frame 2, the pressing rod rotating shaft and the winding shaft 422 are parallel to each other and parallel to the width direction of the flat car body 1, two ends of the braking pressing rod 41 are respectively vertically crossed and fixedly connected with the two pressing rod rotating shafts 421, when the braking pressing rod 41 is pressed towards the armrest frame 2 counterclockwise, the end part of the braking pressing rod 41 below drives the braking wire 43 to be pulled towards the direction far away from the winding shaft 422, so that the braking wire 43 drives the braking plug 46 to retract; on the contrary, when the brake pressure lever 41 is released, the spring 45 in the rebound box 44 releases the elastic potential energy, and the brake plug 46 is pressed out to the position where the brake plug abuts against the directional wheel 31 or the second wheel frame 52, and the limit snap ring 461 ensures that the brake plug 46 cannot be completely separated from the rebound box 44;
rebound box 44 corresponding to directional wheel 31 is fixedly connected with first wheel carrier 51; the rebound cassette 44 corresponding to the steered wheel 32 is fixedly connected to the base 6 of the second wheel frame 52.
As an alternative embodiment, the brake cable 43 includes a first bus brake cable 43 connected to one end of the brake pressure lever 41, and a left steering brake cable 43 and a right steering brake cable 43 both connected to the first bus brake cable 43 and respectively connected to the brake plugs 46 corresponding to the pair of steerable wheels 32; a second general brake cable 43 connected with the other end of the brake pressure lever 41, and a left directional brake cable 43 and a right directional brake cable 43 which are both connected with the second general brake cable 43 and respectively connected with the brake plugs 46 corresponding to the pair of directional wheels 31; a brake shoe 431 is wrapped on the brake cable 43 between the winding box 42 and the rebound box 44.
The brake pressing rod 41 is pressed to the armrest frame 2, so that the two end parts of the brake pressing rod simultaneously lift the first main brake cable 43 and the second main brake cable 43, the left steering brake cable 43 and the right steering brake cable 43 are simultaneously driven to retract, the left directional brake cable 43 and the right directional brake cable 43 are simultaneously driven to retract, the brake plug 46 is separated from the directional wheel 31 and the second wheel frame 52, all wheels of the whole vehicle are in a non-locking state, and therefore the whole vehicle normally moves forwards and backwards or turns, the length of the brake cable 43 can be reduced due to the use of the first main brake cable 43 and the second main brake cable 43, and the braking action is better controlled;
of course, if desired, the pulling of the first and second bus brake cables 43 and 43 can be separated so that the braking action on the steerable wheel 32 and the steerable wheel 31 can be independently controlled.
As an alternative embodiment, the bottom of the second wheel frame 52 is circumferentially provided with a convex edge 521, the convex edge 521 is circumferentially and uniformly distributed with clamping slots 522, and the braking plug 46 can be matched with the clamping slots 522.
The second wheel frame 52 is provided with an annular convex edge 521 in the circumferential direction near the bottom of the base 6, the convex edge 521 is provided with clamping grooves 522 uniformly in the circumferential direction, protruding parts between the clamping grooves 522 and the two clamping grooves 522 are rounded, the width of the clamping grooves 522 is matched with the width of the brake plug 46, and the width of the clamping grooves 522 is larger than the width of the protrusion between the two clamping grooves 522, so that the brake plug 46 can be inserted into the clamping grooves 522 to be clamped with the second wheel frame 52 no matter at what angle the second wheel frame 52 is located, and the rotation of the steering wheel 32 is locked.
As an alternative embodiment, the locking holes 311 are uniformly distributed on the hub circumference of the directional wheel 31, and the brake plugs 46 can be matched with the locking holes 311.
The clamping holes 311 are uniformly distributed in the circumferential direction of the hub of the directional wheel 31, the diameter of each clamping hole 311 is matched with the width of the corresponding brake plug 46, and the diameter of each clamping hole 311 is larger than the distance between every two clamping holes 311, so that the brake plugs 46 can be always inserted into the clamping holes 311 to be clamped with the directional wheel 31 no matter what angle the directional wheel 31 is positioned, and the rotation of the directional wheel 31 is locked.
As an alternative embodiment, the fastening holes 321 are uniformly distributed on the hub of the steering wheel 32 in the circumferential direction.
For manufacturing convenience, the same mold is used for manufacturing the directional wheel 31 and the steering wheel 32, only the first wheel frame 51 and the second wheel frame 52 which are different are needed, so that the manufacturing cost is reduced, and the directional wheel 31 and the steering wheel 32 can be mutually applicable, so that the maintenance convenience is improved.
As an alternative embodiment, the armrest frame 2 is rotatably connected to the platform body 1, and the armrest frame 2 can be rotated to be in an open state with the platform body 1 or the armrest frame 2 can be rotated to be in a folded state with the platform body 1.
In order to take up less space when not in use, the armrest frame 2 can be rotated to a folded position with the platform body 1, and when used again, the armrest frame 2 is rotated to an open position and locked in the open position, i.e. can carry goods and push and pull the platform body 1.
As an alternative embodiment, a handle penetrating the platform body 1 is arranged at one end of the platform body 1, and the handle is arranged at one end far away from the armrest frame 2.
In order to facilitate the carrying of the flatbed, a buckle penetrating the flatbed body 1 is provided at one end of the flatbed body 1, so that the flatbed body 1 can be pulled by hand or the flatbed body 1 can be pulled to move by tying a rope or the like at the buckle.
As an optional embodiment, the lower surface of the platform body 1 is provided with a reinforcing rib, and the lower part of the handrail frame 2 is provided with a baffle plate.
In order to increase the strength of the platform body 1, the lower surface of the platform body is provided with reinforcing ribs which are in geometrical shapes such as regular hexagons or regular polygons which are uniformly distributed.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a flatbed with manual brake equipment which characterized in that, includes flatbed automobile body, handrail frame, wheel and manual brake equipment, wherein:
the wheels comprise directional wheels and steering wheels, the directional wheels are arranged on a first wheel carrier fixedly connected with the flat plate vehicle body, the steering wheels are arranged on a second wheel carrier rotatably connected with the flat plate vehicle body, at least one pair of directional wheels is arranged, and at least one pair of steering wheels is arranged;
the manual brake device comprises a brake compression bar and brake plugs connected with the brake compression bar, and each directional wheel and each second wheel carrier correspond to one brake plug;
under the condition that the brake pressure lever is free from external force, each brake plug is abutted against the corresponding directional wheel or the second wheel carrier, the directional wheel cannot rotate around the wheel carrier, and the second wheel carrier cannot rotate relative to the flat car body;
when the external force is removed, each braking plug returns to the state of abutting against the corresponding directional wheel or the second wheel carrier.
2. The flat car with a hand brake device of claim 1, wherein said wheels include a pair of said steering wheels and a pair of said directional wheels, said pair of said steering wheels are disposed on a lower surface of said flat car body at an end close to said grab rail frame, and said pair of said directional wheels are disposed on a lower surface of said flat car body at an end far from said grab rail frame.
3. The flat car with the manual brake device according to claim 2, wherein the manual brake device further comprises a winding box, a brake cable, a rebound box and a spring, the winding box is fixedly connected with the armrest frame, a compression bar rotating shaft and a winding shaft which are parallel to each other are horizontally arranged in the winding box, two ends of the brake compression bar are respectively vertically crossed and fixedly connected with the two compression bar rotating shafts, the compression bar rotating shaft is rotatably connected with the winding box, one end of the brake cable is connected with one end of the brake compression bar, the other end of the brake cable bypasses one side of the winding shaft which is far away from the compression bar rotating shaft, sequentially passes through the spring in the rebound box and is connected with one end of the brake plug, one end of the brake plug is provided with a limit snap ring, and the other end of the brake plug penetrates out of the rebound box, the spring is sleeved on the brake line, and two ends of the spring are respectively abutted against the inner surface of the rebound box and the limiting snap ring; the rebound box is connected with the first wheel carrier, or the rebound box is connected with the flat car body.
4. The flat cart with a hand brake apparatus according to claim 3, wherein the brake cable includes a first bus brake cable connected to one end of the brake strut, and a left steering brake cable and a right steering brake cable both connected to the first bus brake cable and respectively connected to the brake plugs corresponding to a pair of the steered wheels; the brake device also comprises a second main brake cable connected with the other end of the brake pressure rod, and a left directional brake cable and a right directional brake cable which are both connected with the second main brake cable and respectively connected with the brake plugs corresponding to the pair of directional wheels; and a brake shoe is wrapped on the brake wire between the winding box and the rebound box.
5. The flat car with the manual brake device according to claim 1, wherein the bottom of the second wheel frame is circumferentially provided with a convex edge, the convex edge is circumferentially and uniformly distributed with clamping grooves, and the brake plug can be matched with the clamping grooves.
6. The flat car with the manual brake device according to claim 1, wherein the directional wheel has clamping holes uniformly distributed in the circumferential direction of the hub, and the brake plugs can be matched with the clamping holes.
7. The flat car with the hand brake device as claimed in claim 6, wherein the locking holes are evenly distributed on the hub of the steering wheel in the circumferential direction.
8. The flat car with manual brake of claim 1, characterized in that the handrail frame is connected with the flat car body in a rotating manner, the handrail frame can rotate to be in and be kept in an open state with the flat car body, or the handrail frame can rotate to be in a folded state with the flat car body.
9. The flat car with the hand brake device according to claim 1, wherein a handle is provided at one end of the flat car body and penetrates the flat car body, and the handle is provided at an end far from the handrail frame.
10. The flat car with the hand brake device according to claim 1, wherein the flat car body is provided with reinforcing ribs on the lower surface thereof, and the lower portion of the handrail frame is provided with a baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921750657.4U CN210707558U (en) | 2019-10-18 | 2019-10-18 | Flat car with manual brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921750657.4U CN210707558U (en) | 2019-10-18 | 2019-10-18 | Flat car with manual brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210707558U true CN210707558U (en) | 2020-06-09 |
Family
ID=70959405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921750657.4U Active CN210707558U (en) | 2019-10-18 | 2019-10-18 | Flat car with manual brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210707558U (en) |
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2019
- 2019-10-18 CN CN201921750657.4U patent/CN210707558U/en active Active
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