CN217461821U

CN217461821U - Pulley for sliding door and window

Info

Publication number: CN217461821U
Application number: CN202220265677.8U
Authority: CN
Inventors: 蒋卫振; 聂二魁; 蒋森; 杨阳; 安冬至
Original assignee: Foshan Ougu Hardware Products Co ltd
Current assignee: Foshan Ougu Hardware Products Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-09-20
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a sliding door pulley, include: a bar-shaped housing provided with a first kidney-shaped hole arranged in the up-down direction; the movable frame is positioned inside the strip-shaped shell, the relative front and back positions between the movable frame and the strip-shaped shell are adjusted through the nut block and the adjusting bolt, a limiting part used for limiting the front and back positions of the adjusting bolt is arranged in the strip-shaped shell, and the movable frame is provided with a second waist-shaped hole which is obliquely arranged; the roller frame is positioned in the moving frame, the roller frame is rotatably connected with a plurality of rollers, the roller frame is provided with pin holes, and all the first kidney-shaped holes, the second kidney-shaped holes and the pin holes are connected with pin shafts together. An installer can adjust the front and back positions of the movable frame by rotating the adjusting bolt, so that the whole roller frame is driven to lift up and down, the overall height of the sliding door and window pulleys is convenient to adjust, and the rollers of each sliding door and window pulley can be adjusted to be in contact with the rail; the setting of spacing portion can avoid removing the autonomous movement of frame.

Description

Pulley for sliding door and window

Technical Field

The utility model relates to a door and window accessory field, in particular to sliding door pulley.

Background

The sliding door and window has the advantages of no indoor space occupation, convenient opening and closing, beautiful appearance and the like, and is widely applied to various buildings. Two pulley gear are generally installed to current sliding door, and pulley gear can slide along the track in the door and window frame, realizes sliding door's slip then.

However, when the existing sliding door or window is installed, the sliding door or window often has a certain fit deviation with the rail, so that part of the pulley devices fail, and the sliding door or window is difficult to push or pull. For this reason, there is a need for an improved pulley apparatus that overcomes the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sliding door pulley to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

According to the utility model discloses a sliding door pulley of first aspect embodiment, include:

adjusting the bolt;

the bar-shaped shell comprises a first wide side face and two first long side faces arranged along the front-back direction, and the two first long side faces are provided with first waist-shaped holes arranged along the up-down direction;

the movable frame is positioned inside the strip-shaped shell and comprises a second wide side face and two second long side faces arranged along the front-back direction, the first wide side face and the second wide side face are respectively provided with a first connecting hole and a second connecting hole which correspond to each other, a nut block is arranged inside the movable frame, the adjusting bolt sequentially penetrates through the first connecting hole and the second connecting hole from outside to inside and is in threaded connection with the nut block, and a limiting part used for limiting the front-back position of the adjusting bolt is arranged in the strip-shaped shell; the two second long side surfaces are respectively provided with a second waist-shaped hole which is obliquely arranged, one of the first long side surface and the second long side surface is provided with a guide hole which is arranged along the front-back direction, and the other of the first long side surface and the second long side surface is provided with a guide part which moves along the guide hole;

the gyro wheel frame, it is located remove the inside of frame, the gyro wheel frame includes two third long sides that set up along the fore-and-aft direction, two rotate between the third long side and be connected with a plurality of gyro wheel, two the third long side all is equipped with the pinhole, and all first waist type holes, second waist type hole and pinhole are connected with the round pin axle jointly.

According to the utility model discloses sliding door pulley has following beneficial effect at least: an installer can adjust the front and back positions of the movable frame by rotating the adjusting bolt, and the moving range of the pin shaft is limited to move along the first waist-shaped hole, so that when the movable frame moves back and forth, the pin shaft moves up and down under the pushing of the second waist-shaped hole, the whole roller frame is driven to move up and down, the whole height of the sliding door and window pulley is adjusted conveniently, and the roller of each sliding door and window pulley can be adjusted to be in contact with a track; in addition, the limiting part is arranged, so that an installer can only rotate the adjusting bolt to move the movable frame back and forth, the movable frame is prevented from moving autonomously, and the position of the roller frame is locked.

According to some embodiments of the utility model, adjusting bolt includes screw thread portion, polished rod portion and spiral shell head portion in proper order, screw thread portion with nut piece threaded connection, the external diameter of polished rod portion is less than the external diameter of screw thread portion, the spiral shell head portion is located outside the bar shell, polished rod portion is located the inside of bar shell, for injecing adjusting bolt's front and back position provides technical support.

According to some embodiments of the utility model, spacing portion is equipped with and is used for holding the breach of polished rod portion, the width of breach is not less than the external diameter of polished rod portion just is not more than the external diameter of screw portion, the thickness of spacing portion equals polished rod portion is in length in the bar shell, this moment adjusting bolt's extraction quilt screw portion with spacing portion limits, adjusting bolt's insertion quilt the spiral shell head portion with first wide side limits.

According to the utility model discloses a some embodiments, the both ends of round pin axle all extend to the outside of shell, the both ends of round pin axle all are equipped with the portion of augmenting, the size of a dimension of the portion of augmenting is greater than the width in first waist type hole, in order to avoid droing of round pin axle.

According to the utility model discloses a some embodiments, first long side, the long side of second and the long side of third are equipped with first concave position, the concave position of second and the concave position of third respectively, first waist type hole, second waist type hole and pinhole are located respectively first concave position, the concave position of second and the concave position of third, first concave position, the concave position of second and the concave position of third are nested in proper order, increase the position in the first concave position, in order to ensure the roughness of first long side.

According to some embodiments of the invention, the length of the first concave position, the second concave position and the third concave position increases in order to satisfy the moving frame with relative motion between the bar shells and satisfy the moving frame with relative motion between the roller frames.

According to some embodiments of the present invention, in order to better order the roller frame to ascend and descend, the inclination angle of the second kidney-shaped hole with respect to the first kidney-shaped hole is 30 degrees to 60 degrees.

According to some embodiments of the present invention, the number of the rollers is two, and the pin hole is located two between the rollers. The two rollers can rotate around the pin column simultaneously, and when the track is uneven, the negative effect can be buffered through the rotation between the two rollers.

According to some embodiments of the utility model, because the one end of removing the frame with the bar shell is connected, consequently for better guide the removal frame removes, the bar shell with the removal frame is all keeping away from adjusting bolt's one end is equipped with the guiding hole or the guide part.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a pulley for a sliding door or window according to an embodiment of the present invention;

figure 2 is an exploded view of the sliding door and window pulley shown in figure 1;

figure 3 is a top plan view of the sliding door and window pulley shown in figure 1;

figure 4 is an elevational view of the pulley of the sliding door or window of figure 1 with the roller frame in an extended position;

figure 5 is a front view of the roller frame of the sliding door and window roller of figure 1 in a retracted position.

In the drawings: 100-strip-shaped shell, 200-moving frame, 300-roller frame, 110-first kidney-shaped hole, 120-first connecting hole, 400-adjusting bolt, 220-second connecting hole, 240-containing chamber, 500-nut block, 210-second kidney-shaped hole, 130-guide hole, 230-guide part, 320-roller, 310-pin hole, 600-pin shaft, 610-amplification part, 410-screw thread part, 420-light rod part, 430-screw head part, 700-limiting part, 710-notch, 140-supporting piece, 150-first concave position, 250-second concave position and 350-third concave position.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, 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, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If any description of first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1 to 3, according to the utility model discloses a sliding door pulley of first aspect embodiment, including bar shell 100, removal frame 200 and gyro wheel frame 300, bar shell 100 is formed by two splices of bending, and it includes two first wide sides and two first long sides that set up along the fore-and-aft direction, two first long sides all is equipped with along the first waist type hole 110 that sets up of upper and lower direction, one of them first wide side is equipped with first connecting hole 120, first connecting hole 120 can pass adjusting bolt 400.

In addition, the movable frame 200 is located inside the bar-shaped shell 100, the movable frame 200 is formed by a bending piece, and includes a second wide side and two second long sides arranged along the front-back direction, the second wide side is provided with a second connection hole 220 corresponding to the first connection hole 120, the movable frame 200 is provided with a containing chamber 240 at a position close to the second connection hole 220, a square nut block 500 is placed in the containing chamber 240 to realize the rotation stopping of the nut block 500, and the adjusting bolt 400 sequentially passes through the first connection hole 120 and the second connection hole 220 from outside to inside and is in threaded connection with the nut block 500. The two second long side surfaces are respectively provided with a second waist-shaped hole 210 which is obliquely arranged, the oblique angle of the second waist-shaped hole 210 relative to the first waist-shaped hole 110 is 30 degrees to 60 degrees, and the preferred embodiment is 45 degrees. In order to guide the movement of the movable frame 200, one of the first long side surface and the second long side surface is provided with a guide hole 130 arranged along the front-back direction, and the other one of the first long side surface and the second long side surface is provided with a guide portion 230 moving along the guide hole 130, in this embodiment, the guide hole 130 is arranged on the first long side surface, the guide portion 230 is arranged on the second long side surface, and the guide portion 230 can be selected as a convex block which is positioned in the guide hole 130 and does not exceed the first long side surface.

In addition, the roller frame 300 is located inside the moving frame 200, the roller frame 300 is formed by a bending piece, and includes a hollow third bottom surface and two third long side surfaces arranged along the front-back direction, two rollers 320 are rotatably connected between the two third long side surfaces, the two rollers 320 both exceed the third bottom surface, the two third long side surfaces are respectively provided with a pin hole 310, the pin hole 310 is located between the two rollers 320, and all the first kidney-shaped holes 110, the second kidney-shaped holes 210 and the pin holes 310 are commonly connected with a pin shaft 600, so that the bar-shaped housing 100, the moving frame 200 and the roller frame 300 are connected together, and at this time, the roller frame 300 can rotate around the pin shaft 600. In order to prevent the pin 600 from falling off, both ends of the pin 600 extend to the outside of the housing, and then both ends of the pin 600 are pressed to form two enlarged portions 610, wherein the size of the enlarged portions 610 is larger than the width of the first kidney-shaped hole 110, thereby defining the left and right positions of the pin 600. It is understood that the number of the rollers 320 may be one, three, etc., without being limited thereto.

As shown in fig. 4 and 5, with the above structure, an installer can adjust the front and rear positions of the moving frame 200 by rotating the adjusting bolt 400, and since the moving range of the pin 600 is limited to move along the first kidney-shaped hole 110, when the moving frame 200 moves forward and backward, the pin 600 moves up and down under the push of the second kidney-shaped hole 210, so as to drive the entire roller frame 300 to move up and down, so as to adjust the overall height of the sliding door and window pulley, and thus the roller 320 of each sliding door and window pulley can be adjusted to contact with the rail.

As shown in fig. 2 and 3, in order to prevent the autonomous movement of the movable frame 200, the adjusting bolt 400 includes a thread portion 410, a polished rod portion 420, and a head portion 430 in sequence, the thread portion 410 is in threaded connection with the nut block 500, an outer diameter of the polished rod portion 420 is smaller than an outer diameter of the thread portion 410, the head portion 430 is located outside the bar-shaped housing 100, and the polished rod portion 420 is partially located inside the bar-shaped housing 100. Meanwhile, a limiting part 700 is arranged inside the bar-shaped shell 100, the limiting part 700 is provided with a notch 710 for accommodating the polished rod part 420, the notch 710 is positioned at the middle upper part of the limiting part 700, the bar-shaped shell 100 is provided with a supporting part 140 for supporting the bottom of the limiting part 700, the width of the notch 710 is not less than the outer diameter of the polished rod part 420 and not more than the outer diameter of the threaded part 410, the thickness of the limiting part 700 is equal to the length of the polished rod part 420 in the bar-shaped shell 100, at this time, the pulling-out of the adjusting bolt 400 is limited by the threaded part 410 and the limiting part 700, the inserting of the adjusting bolt 400 is limited by the head part 430 and the first wide side surface, so that the front and back positions of the adjusting bolt 400 are limited, and an installer can only realize the front and back movement of the moving frame 200 by rotating the adjusting bolt 400, this facilitates locking the position of the roller frame 300.

In some embodiments of the present invention, since the amplification part 610 of the pin 600 is located outside the bar-shaped housing 100, in order to ensure the flatness of the first long side, the second long side and the third long side are respectively provided with the first concave portion 150, the second concave portion 250 and the third concave portion 350, the first kidney-shaped hole 110, the second kidney-shaped hole 210 and the pin hole 310 are respectively located in the first concave portion 150, the second concave portion 250 and the third concave portion 350, the first concave portion 150, the second concave portion 250 and the third concave portion 350 are sequentially nested, and the amplification part 610 is located in the first concave portion 150. The lengths of the first recess 150, the second recess 250 and the third recess 350 are sequentially increased to satisfy the relative movement between the moving frame 200 and the bar type housing 100 and the relative movement between the moving frame 200 and the roller frame 300.

As shown in fig. 1, in some embodiments of the present invention, since one end of the movable frame 200 is connected to the bar-shaped housing 100, in order to better guide the movable frame 200 to move, the bar-shaped housing 100 and the movable frame 200 are respectively provided with the guide hole 130 and the guide part 230 at one end away from the adjusting bolt 400.

It should be further noted that the maximum forward-backward movement range of the moving frame 200 can be determined by the horizontal component of the maximum movement distance of the pin 600 in the second kidney-shaped hole 210, or by the maximum movement distance of the guide portion 230 in the guide hole 130, or by the maximum movement distance between two adjacent concave positions, and the minimum value of the above three is the maximum forward-backward movement range of the moving frame 200.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Sliding door pulley, its characterized in that includes:

an adjusting bolt (400);

the bar-shaped shell (100) comprises a first wide side face and two first long side faces arranged along the front-back direction, wherein the two first long side faces are provided with first waist-shaped holes (110) arranged along the up-down direction;

the movable frame (200) is located inside the bar-shaped shell (100), the movable frame (200) comprises a second wide side face and two second long side faces arranged along the front-back direction, the first wide side face and the second wide side face are respectively provided with a first connecting hole (120) and a second connecting hole (220) which correspond to each other, a nut block (500) is arranged inside the movable frame (200), the adjusting bolt (400) sequentially penetrates through the first connecting hole (120) and the second connecting hole (220) from outside to inside and is in threaded connection with the nut block (500), and a limiting portion (700) used for limiting the front-back position of the adjusting bolt (400) is arranged in the bar-shaped shell (100); the two second long side surfaces are respectively provided with a second waist-shaped hole (210) which is obliquely arranged, one of the first long side surface and the second long side surface is provided with a guide hole (130) which is arranged along the front-back direction, and the other one of the first long side surface and the second long side surface is provided with a guide part (230) which moves along the guide hole (130);

the gyro wheel frame (300), it is located the inside of removing frame (200), gyro wheel frame (300) include two third long sides that set up along the fore-and-aft direction, two rotate between the third long side and be connected with a plurality of gyro wheel (320), two the third long side all is equipped with pinhole (310), and all first waist type hole (110), second waist type hole (210) and pinhole (310) are connected with round pin axle (600) jointly.

2. A sliding door and window pulley according to claim 1, wherein: adjusting bolt (400) include screw thread portion (410), polished rod portion (420) and spiral shell head portion (430) in proper order, screw thread portion (410) with nut piece (500) threaded connection, the external diameter of polished rod portion (420) is less than the external diameter of screw thread portion (410), spiral shell head portion (430) are located the outside of bar shell (100), polished rod portion (420) part is located the inside of bar shell (100).

3. A sliding door and window pulley according to claim 2, wherein: the limiting part (700) is provided with a notch (710) used for accommodating the polished rod part (420), the width of the notch (710) is not smaller than the outer diameter of the polished rod part (420) and not larger than the outer diameter of the threaded part (410), and the thickness of the limiting part (700) is equal to the length of the polished rod part (420) in the strip-shaped shell (100).

4. A sliding door and window pulley according to claim 1, wherein: both ends of the pin shaft (600) extend to the outside of the shell, both ends of the pin shaft (600) are provided with amplification parts (610), and the size of the amplification parts (610) is larger than the width of the first waist-shaped hole (110).

5. A sliding door and window pulley according to claim 4, wherein: first long side, the long side of second and the long side of third are equipped with first concave position (150), second concave position (250) and third concave position (350) respectively, first waist type hole (110), second waist type hole (210) and pinhole (310) are located respectively first concave position (150), second concave position (250) and third concave position (350), first concave position (150), second concave position (250) and third concave position (350) are nested in proper order, increase portion (610) and be located in first concave position (150).

6. A sliding door and window pulley according to claim 5, wherein: the lengths of the first pit (150), the second pit (250) and the third pit (350) are increased in sequence.

7. A sliding door and window pulley according to claim 1, wherein: the second kidney-shaped hole (210) is inclined at an angle of 30 to 60 degrees with respect to the first kidney-shaped hole (110).

8. A sliding door and window pulley according to claim 1, wherein: the number of the rollers (320) is two, and the pin holes (310) are located between the two rollers (320).

9. A sliding door and window pulley according to claim 1, wherein: the strip-shaped shell (100) and the moving frame (200) are provided with the guide hole (130) or the guide part (230) at one end far away from the adjusting bolt (400).