CN215804302U

CN215804302U - Roller shutter door floorbar protection device

Info

Publication number: CN215804302U
Application number: CN202122234510.3U
Authority: CN
Inventors: 王芙蓉
Original assignee: Wuhan Xinweite Security Technology Co ltd
Current assignee: Wuhan Xinweite Security Technology Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-11
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to the technical field of roller shutter door equipment, and discloses a roller shutter door bottom beam protection device which comprises a slideway, wherein a bottom beam is connected in the slideway in a sliding manner, a clamping plate is fixedly connected at the bottom of the slideway, a cushion pad is connected in the clamping plate in a sliding manner, a pressure spring is fixedly connected on the inner wall of the bottom of the clamping plate, movable cylinders are fixedly connected at the left end and the right end of the bottom beam respectively, a telescopic spring is fixedly connected in the movable cylinders, a sliding rod is connected in the movable cylinders in a sliding manner, one end of the sliding rod, which is far away from the telescopic spring, is rotatably connected with a roller, the vibration generated when the roller rolls is buffered and damped by the telescopic spring, the friction generated when the bottom beam moves is reduced by the rolling of the roller along the inner wall of the slideway, the direct contact between the bottom beam and the inner wall of the slideway can be avoided by a rotating wheel, the moving friction of the bottom beam is further reduced by the rolling of the rotating wheel, thereby achieving the effect of preventing the bottom beam and the slideway from being damaged due to sliding friction and prolonging the service life of the bottom beam.

Description

Roller shutter door floorbar protection device

Technical Field

The utility model relates to the technical field of roller shutter door equipment, in particular to a roller shutter door bottom beam protection device.

Background

The rolling door is a novel door formed by connecting multi-joint movable door sheets in series, and the rolling door rotates by taking a scroll above the door as a center through slideways fixed on two sides to drive the multi-joint movable door sheets to be wound on the outer side of the scroll and is mainly used for the shop front.

When the existing roller shutter door is used, the sliding ways on two sides often rub the bottom beam at the bottom, and the bottom of the bottom beam is rigidly impacted with the ground, so that the bottom beam is damaged, the service life of the bottom beam is shortened, the roller shutter door needs to be replaced regularly, and the cost of a merchant can be increased due to the frequent replacement.

Therefore, the need for highly reliable products is urgent, and we propose a protection device for a sill of a roll door having advantages of reducing friction between the sill and a chute and buffering the sill to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purposes of reducing the friction force between the bottom beam and the slideway and buffering the bottom beam, the utility model provides the following technical scheme: the utility model provides a rolling slats door floorbar protection device, includes the slide, the inside sliding connection of slide has the floorbar, the bottom fixedly connected with cardboard of slide, the inside sliding connection of cardboard has the blotter, the bottom inner wall fixedly connected with pressure spring of cardboard, the equal fixedly connected with movable section of thick bamboo in both ends about the floorbar, the inside fixedly connected with extension spring of movable section of thick bamboo, the inside sliding connection of movable section of thick bamboo has the slide bar, the slide bar is kept away from the one end rotation of extension spring and is connected with the gyro wheel, the protective sheath has been cup jointed in the outside of floorbar, the draw-in groove has all been seted up at both ends about the protective sheath, the inside rotation of draw-in groove is connected with the runner, the screw hole has all been seted up at the left and right sides top of floorbar, the inside joint of screw hole has the shank.

Preferably, the clamping plate is located right below the bottom beam, the top end of the pressure spring is fixedly connected to the bottom end of the cushion pad, and the cushion pad is buffered by pressing the pressure spring through the cushion pad when the bottom beam moves downwards.

Preferably, a telescopic rod is sleeved inside the telescopic spring, the right side of the telescopic rod is fixedly connected to the inner wall of the movable cylinder, close to the telescopic spring, on one side, the left side of the telescopic rod is fixedly connected to the middle of the sliding rod, close to the telescopic spring, on one side, and the telescopic rod and the telescopic spring are used for continuously providing thrust for the sliding rod.

Preferably, the outer side of the roller is connected with the inner wall of the slideway in a rolling manner, and the friction force is reduced in order to roll on the inner wall of the slideway through the roller.

As optimization, four groups of clamping grooves are symmetrically formed in the clamping grooves, one sides, far away from the clamping grooves, of the four groups of rotating wheels are in rolling connection with the inner walls of the two sides of the slide way, and friction force generated when the bottom beam moves is reduced while the bottom beam is limited through the rotating wheels.

Preferably, the protective sleeve is made of elastic materials, is of a U-shaped structure, and is attached to the outer side of the bottom beam to prevent the bottom beam from being rubbed and collided.

Preferably, the threaded holes are symmetrically provided with ten groups, the two groups of threaded holes are respectively clamped on the left side and the right side of the top of the protective sleeve, and the protective sleeve is fixed on the surface of the bottom beam through the bolt rod.

The utility model has the beneficial effects that:

1. this rolling slats door floorbar protection device cushions the shock attenuation through the vibrations of extension spring when rolling to the gyro wheel, rolls along the inner wall of slide through the gyro wheel, and frictional force when can reducing the floorbar and remove can avoid the inner wall direct contact of floorbar and slide through the runner, rolls through the runner simultaneously, further reduces the removal frictional force of floorbar to reach and prevent floorbar and slide because sliding friction leads to impaired effect, improve the life of floorbar.

2. This rolling slats door floorbar protection device through shank of bolt screw thread joint in the inside of screw hole, can be with the surface of protective sheath fixed connection at the floorbar to can avoid floorbar and slide direct contact through the protective sheath, prevent to lead to the floorbar impaired because of hard friction, cushion through the pressure spring when can moving down the floorbar, prevent floorbar and ground direct striking, thereby reach the buffering guard action to the floorbar.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of an anti-collision structure of the present invention;

FIG. 3 is an enlarged view of the roller structure at A in FIG. 1 according to the present invention;

FIG. 4 is a bottom view of the sill structure of the present invention;

fig. 5 is a left side view of the sill structure of the present invention.

In the figure: 1. a slideway; 2. a bottom beam; 3. clamping a plate; 4. a cushion pad; 5. a pressure spring; 6. a movable barrel; 7. a tension spring; 8. a slide bar; 9. a roller; 10. a protective sleeve; 11. a card slot; 12. a rotating wheel; 13. a threaded hole; 14. a bolt shank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a roller shutter door floorbar protection device comprises a slideway 1, wherein a floorbar 2 is connected to the inside of the slideway 1 in a sliding manner, a clamping plate 3 is fixedly connected to the bottom of the slideway 1, a cushion pad 4 is connected to the inside of the clamping plate 3 in a sliding manner, a pressure spring 5 is fixedly connected to the inner wall of the bottom of the clamping plate 3, a movable cylinder 6 is fixedly connected to each of the left end and the right end of the floorbar 2, a telescopic spring 7 is fixedly connected to the inside of the movable cylinder 6, a sliding rod 8 is connected to the inside of the movable cylinder 6 in a sliding manner, and a roller 9 is rotatably connected to one end, far away from the telescopic spring 7, of the sliding rod 8.

And referring to fig. 1, the chucking plate 3 is positioned right under the floor beam 2, and the top end of the pressure spring 5 is fixedly coupled to the bottom end of the cushion pad 4, so that the cushion pad 4 is cushioned by pressing the pressure spring 5 through the cushion pad 4 when the floor beam 2 moves downward.

Referring to fig. 3, a telescopic rod is sleeved inside the telescopic spring 7, the right side of the telescopic rod is fixedly connected to the inner wall of the movable cylinder 6 close to the telescopic spring 7, and the left side of the telescopic rod is fixedly connected to the middle of the slide rod 8 close to the telescopic spring 7, so as to continuously provide thrust for the slide rod 8 through the telescopic rod and the telescopic spring 7.

And referring to fig. 3, the outer side of the roller 9 is roll-connected to the inner wall of the chute 1, in order to reduce the friction force by the roller 9 rolling on the inner wall of the chute 1.

Referring to fig. 4-5, a protective sleeve 10 is sleeved on the outer side of the bottom beam 2, clamping grooves 11 are respectively formed in the left end and the right end of the protective sleeve 10, a rotating wheel 12 is rotatably connected inside the clamping grooves 11, threaded holes 13 are respectively formed in the top portions of the left side and the right side of the bottom beam 2, and a bolt bar 14 is clamped inside the threaded holes 13.

Referring to fig. 4, four sets of clamping grooves 11 are symmetrically formed, one sides of the four sets of rotating wheels 12 far away from the clamping grooves 11 are in rolling connection with the inner walls of the two sides of the slide way 1, and friction force generated when the bottom beam 2 moves is reduced while the bottom beam 2 is limited through the rotating wheels 12.

Referring to fig. 5, the protective sheath 10 is made of an elastic material, and the protective sheath 10 has a U-shaped structure, so that the bottom beam 2 is prevented from being rubbed and collided by the protective sheath 10 in order to be attached to the outer side of the bottom beam 2.

Referring to fig. 5, ten groups of threaded holes 13 are symmetrically formed, and two groups of threaded holes 13 are respectively clamped on the left side and the right side of the top of the protective sleeve 10, so that the protective sleeve 10 is fixed on the surface of the bottom beam 2 through the bolt rod 14.

When the roller type damping roller is used, referring to fig. 1-5, when the bottom beam 2 moves along with the roller shutter door, the roller 9 is driven to roll on the inner wall of the slideway 1, the roller 9 shakes when rolling, and the telescopic spring 7 is extruded through the slide rod 8, so that external force generated when the roller 9 rolls can be buffered and damped through the telescopic spring 7, meanwhile, friction force generated when the bottom beam 2 moves can be reduced, meanwhile, the bottom beam 2 can be prevented from directly contacting with the inner wall of the slideway 1 through the runner 12, friction force generated when the bottom beam 2 moves is further reduced through rolling, accordingly, damage caused by sliding friction of the bottom beam 2 and the slideway 1 is prevented, and the service life of the bottom beam 2 is prolonged;

simultaneously, through 14 screw thread joints of shank of bolt in the inside of screw hole 13, can fix the surface at floorbar 2 with protective sheath 10, ten groups of shank of bolt 14 through bilateral symmetry, can effectually laminate protective sheath 10 in the outside of floorbar 2, thereby can avoid floorbar 2 and slide 1 direct contact through protective sheath 10, it leads to floorbar 2 impaired to prevent hard friction, when floorbar 2 moves down, can fall into the inside of cardboard 3, extrude blotter 4, so can drive the shrink of pressure spring 5, pressure when moving down floorbar 2 through pressure spring 5 cushions, avoid floorbar 2 direct and ground striking, thereby reach the buffer protection effect to floorbar 2.

In summary, the roller door bottom beam protection device buffers and damps the vibration generated when the roller 9 rolls through the telescopic spring 7, the roller 9 rolls along the inner wall of the slideway 1, so that the friction force generated when the bottom beam 2 moves can be reduced, the roller 12 can avoid the direct contact between the bottom beam 2 and the inner wall of the slideway 1, and meanwhile, the roller 12 rolls, so that the moving friction force of the bottom beam 2 is further reduced, the effect of preventing the bottom beam 2 and the slideway 1 from being damaged due to sliding friction is achieved, and the service life of the bottom beam 2 is prolonged;

through 14 screw thread joints of shank of bolt in the inside of screw hole 13, can be with protective sheath 10 fixed connection at the surface of floorbar 2 to can avoid floorbar 2 and slide 1 direct contact through protective sheath 10, prevent to lead to the floorbar 2 impaired because of hard friction, cushion through pressure spring 5 when can moving down floorbar 2, prevent floorbar 2 and ground direct striking, thereby reach the buffering guard action to floorbar 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a rolling slats door floorbar protection device, includes slide (1), its characterized in that: the inner part of the slideway (1) is connected with a bottom beam (2) in a sliding manner, the bottom of the slideway (1) is fixedly connected with a clamping plate (3), the inner part of the clamping plate (3) is connected with a cushion pad (4) in a sliding manner, the inner wall of the bottom of the clamping plate (3) is fixedly connected with a pressure spring (5), the left end and the right end of the bottom beam (2) are both fixedly connected with a movable barrel (6), the inner part of the movable barrel (6) is fixedly connected with a telescopic spring (7), the end, far away from the telescopic spring (7), of the slide rod (8) is rotatably connected with a roller (9), the outer side of the bottom beam (2) is sleeved with a protective sleeve (10), the left end and the right end of the protective sleeve (10) are both provided with clamping grooves (11), the inner part of the clamping grooves (11) is rotatably connected with a rotating wheel (12), the tops of the left side and the right side of the bottom beam (2) are both provided with threaded holes (13), and a bolt rod (14) is clamped in the threaded hole (13).

2. A roller door sill protector as claimed in claim 1, in which: the clamping plate (3) is located under the bottom beam (2), and the top end of the pressure spring (5) is fixedly connected to the bottom end of the cushion pad (4).

3. A roller door sill protector as claimed in claim 1, in which: the telescopic rod is sleeved inside the telescopic spring (7), the right side of the telescopic rod is fixedly connected to the inner wall of one side, close to the telescopic spring (7), of the movable barrel (6), and the left side of the telescopic rod is fixedly connected to the middle of one side, close to the telescopic spring (7), of the sliding rod (8).

4. A roller door sill protector as claimed in claim 1, in which: the outer side of the roller (9) is connected to the inner wall of the slideway (1) in a rolling manner.

5. A roller door sill protector as claimed in claim 1, in which: four groups are symmetrically arranged on the clamping grooves (11), and one sides of the four groups of rotating wheels (12) far away from the clamping grooves (11) are in rolling connection with the inner walls of the two sides of the slide ways (1).

6. A roller door sill protector as claimed in claim 1, in which: the protective sleeve (10) is made of elastic materials, and the protective sleeve (10) is of a U-shaped structure.

7. A roller door sill protector as claimed in claim 1, in which: ten groups are symmetrically arranged on the threaded holes (13), and the two groups of threaded holes (13) are respectively clamped on the left side and the right side of the top of the protective sleeve (10).