CN218881930U

CN218881930U - Liftable bury ground leading wheel

Info

Publication number: CN218881930U
Application number: CN202222867882.4U
Authority: CN
Inventors: 余军
Original assignee: Guangdong Ruiju Intelligent Technology Co ltd
Current assignee: Guangdong Ruiju Intelligent Technology Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-04-18
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a liftable underground guide wheel, which comprises an underground base, wherein the underground base is provided with a vertical threaded hole, a screw rod is connected in the threaded hole through threads, the screw rod is matched with the threaded hole for use so that the screw rod can lift, and the upper end of the screw rod is rotatably connected with a guide wheel taking the screw rod as an axis; a bearing for connecting the guide wheel and the upper end of the screw rod is arranged between the guide wheel and the upper end of the screw rod; and the screw rod is in threaded connection with a locknut positioned between the buried base and the bolt head. The utility model has the advantages of can go up and down.

Description

Liftable bury ground leading wheel

Technical Field

The utility model relates to a push-and-pull door accessory technical field especially relates to a liftable bury ground leading wheel.

Background

In suspended windows and doors, a buried guide wheel is typically provided between the bottom of the window and the bottom surface. In order to ensure the distance between the guide wheels and the bottom of the door window, the traditional guide wheel installation mode is that the door leaf or the window sash is hung well firstly, and then the guide wheels are installed. This has the disadvantage that, after the door leaf or sash is first hung, the door leaf or sash interferes with the installation of the guide wheels, making the installation of the guide wheels difficult. In addition, if the door leaf or the window sash is short, the distance between the bottom of the door and the guide wheel is increased, and the correction is difficult.

The utility model discloses it is based on this kind of condition makes.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is overcome prior art not enough, provides a can go up and down bury ground leading wheel.

The utility model discloses a realize through following technical scheme:

in order to solve the technical problem, the utility model provides a liftable buried guide wheel, which comprises a buried base, wherein a vertical threaded hole is formed in the buried base, a screw rod is connected in the threaded hole through threads, the screw rod is matched with the threaded hole for use so that the screw rod can lift, and the upper end of the screw rod is rotatably connected with a guide wheel taking the screw rod as an axis; a bearing for connecting the guide wheel and the upper end of the screw rod is arranged between the guide wheel and the upper end of the screw rod; the screw rod is in threaded connection with a locknut located between the buried base and the bolt head.

In order to further solve the technical problem to be solved by the utility model, the utility model provides a pair of in the ground leading wheel is buried to liftable, the upper portion fixedly connected with of screw rod can with spanner complex bolt head, the bolt head protrusion in the leading wheel downwards.

In order to further solve the technical problem to be solved by the utility model, the utility model provides a pair of in the burying ground leading wheel of liftable, set up two relative auxiliary plane on the screw rod lateral wall.

In order to further solve the technical problem to be solved by the utility model, the utility model provides a pair of in the ground leading wheel is buried to liftable, the leading wheel has elasticity.

In order to further solve the technical problem to be solved by the utility model, the utility model provides a pair of in the ground leading wheel is buried to the liftable, the leading wheel is the rubber wheel or its cover is equipped with the rubber circle.

In order to further solve the technical problem to be solved by the utility model, the utility model provides a pair of in the ground leading wheel is buried to liftable, the lateral wall of burying the ground base is equipped with a plurality of edges.

Compared with the prior art, the utility model discloses there is following advantage:

because the utility model discloses a leading wheel can lift adjustment, consequently can adorn earlier and bury ground leading wheel, installs again and hangs door and window. More specifically, fix buried base on the bottom surface earlier, and rotate the screw rod and make the leading wheel descend, install again and hang door and window. Wherein, when installing the buried leading wheel, there is not door and window's interference, consequently the installation is very easy. When the door and window are installed, the guide wheels are lowered in advance, and the guide wheels cannot interfere with the installation of the door and window, so that the door and window are easy to install. After the door and window are installed, the screw rod is rotated to enable the guide wheel to ascend, and the distance between the guide wheel and the bottom of the door and window is adjusted.

In addition, to some doors and windows that have the error that height dimension did (for example some doors and windows do short, do somewhat highly), the utility model discloses also can be compatible these errors through the height of adjusting the leading wheel.

Drawings

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is a vertical sectional view of the present invention;

fig. 4 is a schematic view of the usage state of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

The lifting buried guide wheel comprises a buried base 1, wherein a vertical threaded hole 11 is formed in the buried base 1, a screw rod 2 is connected to the threaded hole 11 through threads, the screw rod 2 is matched with the threaded hole 11 to enable the screw rod 2 to lift, and the upper end of the screw rod 2 is rotatably connected with a guide wheel 3 which takes the screw rod 2 as an axis. The utility model has the advantages of simple structure, bury ground base 1 and fix after on the ground, rotate screw rod 2 and just can realize the lift of leading wheel 3.

As shown in fig. 4, the suspended door and window 9a is suspended on the guide rail 9b located above, the lower part of the door and window 9a is provided with a guide groove 9c for guiding, the guide wheel 3 should be located in the guide groove 9c after being installed, the two cooperate with each other to guide the door and window 9a in a sliding manner, and the door and window 9a is limited so that the door and window 9a cannot swing or disengage from each other in the left and right direction (i.e. the left and right direction in fig. 4). The vertical distance between the guide wheel 3 and the guide groove 9c is ensured, and the vertical distance cannot be too large (easy to separate) or too small (easy to block).

Because the utility model discloses a leading wheel 3 can lift adjustment, consequently can adorn earlier and bury ground leading wheel, installs again and hangs door and window. More specifically, the buried base 1 is fixed on the bottom surface, the screw 2 is rotated to lower the guide wheel 3, and then the suspension door and window are installed. Wherein, when the buried guide wheel is installed, the interference of doors and windows is avoided, so the installation is easy. When the door and window are installed, the guide wheels 3 are lowered in advance, and the guide wheels 3 cannot interfere with the installation of the door and window, so that the door and window are easy to install. After the door and window are installed, the screw rod 2 is rotated to enable the guide wheel 3 to ascend, and the distance between the guide wheel 3 and the bottom of the door and window (namely the guide groove 9 c) is adjusted.

In addition, to some doors and windows that have the error that height dimension did (for example some doors and windows do short, do somewhat highly), the utility model discloses also can be compatible these errors through the height of adjusting leading wheel 3.

In the more specific embodiment of the present invention, in order to make the guide wheel 3 rotate more smoothly relative to the screw rod 2, a bearing 4 for connecting the guide wheel 3 and the screw rod 2 is provided between the upper ends thereof.

In the more specific embodiment of the present invention, the upper portion of the screw rod 2 is fixedly connected with a bolt head 21 capable of cooperating with a wrench, and the bolt head 21 protrudes downwards from the guide wheel 3. This is to facilitate the rotation of the screw 2 by allowing the screw to be engaged with the bolt head 21 by a tool such as a wrench.

In the more specific embodiment of the present invention, two opposite auxiliary planes 22 are disposed on the side wall of the screw rod 2. The two opposite auxiliary flat surfaces 22 are also intended to be engaged by a tool such as a wrench to smoothly rotate the screw 2.

In the more specific embodiment of the present invention, the screw rod 2 is threadedly connected with a lock nut 5 located between the underground base 1 and the bolt head 21. The locknut 5 has the locking effect, and after the height position of the guide wheel 3 is adjusted, the locknut 5 is screwed downwards to be in contact with the upper end of the buried base 1. At this time, the locknut 5 and the buried base 1 together form a double-nut locking structure relative to the screw rod 2, so that the screw rod 2 can be prevented from loosening.

In a more specific embodiment of the present invention, the guide wheel 3 has elasticity to reduce hard contact and slow down the impact.

In the more specific embodiment of the present invention, the guide wheel 3 is a rubber wheel or a rubber ring is sleeved on the rubber wheel, such guide wheel 3 is wear-resistant, elastic, low in noise and long in service life.

In the more specific embodiment of the present invention, the side wall of the buried base 1 is provided with a plurality of edges 12. After the buried base 1 is fixed on the ground, the edge 12 can increase the connection strength between the buried base 1 and the bottom surface, and the circumferential rotation of the buried base 1 is avoided.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a liftable bury ground leading wheel which characterized in that: the device comprises a buried base (1), wherein a vertical threaded hole (11) is formed in the buried base (1), a screw rod (2) is connected in the threaded hole (11) through threads, the screw rod (2) is matched with the threaded hole (11) for use so that the screw rod (2) can lift, and the upper end of the screw rod (2) is rotatably connected with a guide wheel (3) taking the screw rod (2) as an axis; a bearing (4) for connecting the guide wheel (3) and the screw (2) is arranged between the upper ends of the guide wheel and the screw; the screw rod (2) is in threaded connection with a locknut (5) located between the buried base (1) and the bolt head (21).

2. A liftable underground guide wheel according to claim 1, which is characterized in that: the upper portion of the screw rod (2) is fixedly connected with a bolt head (21) capable of being matched with a wrench, and the bolt head (21) protrudes downwards out of the guide wheel (3).

3. A liftable underground guide wheel according to claim 2, which is characterized in that: two opposite auxiliary planes (22) are arranged on the side wall of the screw rod (2).

4. A liftable underground guide wheel according to claim 1, which is characterized in that: the guide wheel (3) has elasticity.

5. A liftable buried guide wheel according to claim 4, wherein: the guide wheel (3) is a rubber wheel or a rubber ring is sleeved on the rubber wheel.

6. A liftable buried guide wheel according to claim 1, wherein: the side wall of the buried base (1) is provided with a plurality of edges (12).