CN214740669U

CN214740669U - Pulley device and sliding door

Info

Publication number: CN214740669U
Application number: CN202022840255.2U
Authority: CN
Inventors: 白宝鲲
Original assignee: Guangdong Kinlong Hardware Products Co Ltd
Current assignee: Guangdong Kinlong Hardware Products Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-11-16
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a pulley gear and have this pulley gear's sliding door. The pulley device comprises an inner shell component, the inner shell component comprises a first connecting rod and a pulley, the first connecting rod comprises a plurality of rod bodies, the rod bodies are sequentially spliced end to form the first connecting rod, the pulley is rotatably connected with the first connecting rod, because the first connecting rod in the inner shell component is formed by sequentially splicing a plurality of rod bodies end to end, in the processing process, a plurality of rod bodies can be directly processed, the first connecting rod is assembled by the plurality of rod bodies, the processing according to the integral length of the inner shell is not needed, thereby reducing the processing difficulty and the processing cost, being convenient for assembly, in addition, the length of the first connecting rod can be changed according to the number of the spliced rod bodies, when the bearing capacity of the pulley device is increased, the length of the inner shell component can be increased by increasing the number of the rod bodies, thereby can be convenient carry out the adaptation according to the actual bearing promptly pulley number, improved pulley gear's use adaptability.

Description

Pulley device and sliding door

Technical Field

The utility model relates to a door and window hardware field especially relates to a pulley gear and sliding door.

Background

Along with the improvement of living standard, people have higher and higher requirements on living environment, the requirements on doors and windows are also continuously improved, the types of the doors and windows for sealing structures are more and more, and people can select different types of the doors and windows according to different requirements. Among numerous doors and windows, sliding doors and windows are widely used due to the advantages of convenience in opening and closing, no occupation of indoor space and the like.

The pulley device is an important component for realizing the opening or closing purpose of the door and window in a push-pull mode, and the pulley device rotates on a specific track, so that the purpose of opening or closing the door and window by pushing and pulling left and right is realized.

Current pulley gear, including pulley shell, pulley inner shell and middle shell, the bearing is higher more usually, and pulley quantity can corresponding increase, and the length of its pulley casing also follows the increase for shell and inner shell structure become complicated, not only brings inconvenience for production, influences the machining precision, and the pulley installation is restricted moreover, and then influences the installation accuracy.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a pulley device for solving the above problems, which has a simple structure, is convenient to process, and can change the number of pulleys and the length of a housing according to the load bearing, in order to solve the problems of inconvenient processing, high processing cost and limited pulley installation when the load bearing of the conventional pulley device is increased; in addition, a sliding door and a sliding window using the pulley device are also provided.

A pulley apparatus includes an inner housing assembly;

the inner shell assembly comprises a first connecting rod and a pulley, the first connecting rod comprises a plurality of rod bodies, two ends of each rod body along the length direction of the rod body are respectively provided with a first mounting hole, and the rod bodies are sequentially spliced end to end through the first mounting holes to form the first connecting rod; the pulley is rotatably connected to the first connecting rod.

In one embodiment, the inner shell assembly further comprises a second connecting rod and a connecting piece, one end of the second connecting rod is rotatably connected with the pulley through the connecting piece, and the other end of the second connecting rod is rotatably connected with the first connecting rod.

In one embodiment, the pulley device further comprises an outer shell, the inner shell assembly is accommodated in the outer shell, and the inner shell assembly can move relative to the outer shell along the length direction of the outer shell.

In one embodiment, the pulley device further comprises an adjusting piece, and one end of the adjusting piece penetrates through the outer shell and is connected with the inner shell assembly; the adjusting piece is rotated, and the adjusting piece can drive the inner shell assembly to move relative to the outer shell along the length direction of the outer shell.

In one embodiment, the inner shell assembly further comprises an adjusting block connected with the first connecting rod, and the adjusting piece penetrates through the adjusting block and is in threaded connection with the adjusting block.

In one embodiment, the housing further comprises a limiting block, and the limiting block is clamped with the housing; the limiting block is provided with a through hole, and the adjusting piece penetrates through the through hole to be connected with the shell.

In one embodiment, the two side walls of the housing along the width direction are both provided with adjusting holes, the adjusting holes extend along the height direction of the housing, two ends of the connecting piece respectively extend into the adjusting holes on the opposite sides, and the connecting piece can move in the adjusting holes.

In one embodiment, the housing is provided with a clamping groove, and the limiting block is clamped on the housing through the clamping groove.

In one embodiment, the inner shell assembly further comprises an intermediate shaft, and both ends of the intermediate shaft are respectively connected with the first connecting rod and the second connecting rod in a rotating manner.

A sliding door or window comprising a pulley arrangement as described above.

After adopting this technical scheme, compare with prior art, this technical scheme has following beneficial effect: above-mentioned pulley gear and sliding door, because the first connecting rod in its inner shell subassembly connects end to end in proper order through a plurality of body of rod and assembles and form, consequently in the course of working, can directly process a plurality of body of rod, assemble into first connecting rod through a plurality of body of rod, need not the whole length processing according to the inner shell, thereby reduce the processing degree of difficulty and processing cost, the assembly of being convenient for, in addition, the length of first connecting rod can be according to the body of rod number change of concatenation, when the pulley gear bearing increases, can be with the length increase of inner shell subassembly through increasing body of rod number, thereby can be convenient carry out the adaptation according to actual bearing namely the pulley number, pulley gear's use adaptability has been improved.

Drawings

Fig. 1 is a schematic partial structural view of a pulley device according to an embodiment of the present invention;

FIG. 2 is a top view of the pulley apparatus shown in FIG. 1;

fig. 3 is an exploded view of the pulley apparatus shown in fig. 1.

10-a pulley arrangement; 110-a first link; 111-a first mounting hole; 120-a pulley; 130-a second link; 140-a connector; 150-middle shaft; 160-a regulating block; 170-pulley pad; 180-shaft sleeve; 200-a housing; 210-an adjustment aperture; 220-a limiting block; 300-adjusting part.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Just as in the background art, current pulley gear includes pulley shell, pulley inner shell and intermediate shell, and when the bearing increased, the pulley quantity can corresponding increase, and the length of its pulley casing also followed the increase for shell and inner shell structure become complicated, not only brought inconvenience for production, influenced machining precision, increased the processing cost moreover, and casing length is certain, and the accommodation space of formation is certain, makes the pulley installation limited, and then influences the installation accuracy.

The utility model discloses a pulley device, because first connecting rod among its inner shell subassembly connects end to end in proper order through a plurality of body of rod and assembles and form, consequently in the course of working, can directly process a plurality of body of rod, assemble into first connecting rod through a plurality of body of rod, the whole length processing according to the inner shell need not, thereby reduce the processing degree of difficulty and processing cost, the assembly of being convenient for, in addition, the length of first connecting rod can be according to the body of rod number change of concatenation, when the pulley device bearing increases, can be with the length increase of inner shell subassembly through increasing body of rod number, thereby can be convenient carry out the adaptation according to actual bearing namely the pulley number, pulley device's use adaptability has been improved. Compared with the existing pulley device, the pulley device has the advantages of easiness in production, lower cost and high pulley adjusting precision.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 is a schematic partial structural view of a pulley device according to an embodiment of the present invention; FIG. 2 is a top view of the pulley apparatus shown in FIG. 1; fig. 3 is an exploded view of the pulley apparatus shown in fig. 1. Referring to fig. 1 to 3, a pulley device 10 according to an embodiment of the present invention includes an inner shell assembly, the inner shell assembly includes a first connecting rod 110 and a pulley 120, the first connecting rod 110 includes a plurality of rod bodies, each rod body has a first mounting hole 111 at both ends along a length direction thereof, and the plurality of rod bodies are sequentially assembled end to end through the first mounting holes 111 to form the first connecting rod 110; the pulley is rotatably connected to the first link 110.

Further, a plurality of pulleys 120 are arranged to be rotatably connected with the first connecting rod 110, the number of the pulleys 120 corresponds to the number of the rod bodies, and the pulleys are uniformly distributed along the length direction of the first connecting rod 110, so that the weight of the sliding door and the sliding window can be shared, and the bearing capacity of the pulley device 10 is improved. It should be noted that the number of the pulleys 120 is not limited to 3 shown in the figure, and the specific number may be determined according to the weight of the actual sliding door.

In the pulley device 10, the length of the inner shell can be changed according to different bearing loads, because the first connecting rod 110 in the inner shell component comprises a plurality of rod bodies, and the two ends of the rod bodies are respectively provided with the first mounting holes 111, the first connecting rod 110 can be formed by sequentially splicing the rod bodies end to end, the rod bodies can be directly processed in the processing process of the inner shell component, the first connecting rod 110 is assembled by the rod bodies without processing according to the whole length of the inner shell, thereby reducing the processing difficulty and the processing cost and being convenient to assemble, in addition, the length of the first connecting rod 110 can be changed according to the number of the spliced rod bodies, when the bearing load of the pulley device 10 is increased, the length of the inner shell component can be increased by increasing the number of the rod bodies, when the bearing load is reduced, the number of pulleys and the corresponding number of the rod bodies are reduced, thereby being convenient to adapt according to the actual bearing load, the usability of the pulley device 10 is improved.

As shown in FIG. 1, in one embodiment, the inner shell assembly further comprises a second link 130 and a connecting member 140, wherein one end of the second link 130 is rotatably connected to the pulley by the connecting member 140, and the other end of the second link 130 is rotatably connected to the first link 110. Because the second connecting rod 130 is rotatably connected with the pulley through the connecting member 140, the pulley can be driven to move synchronously when the second connecting rod 130 moves. Specifically, the first connecting rod 110 and the second connecting rod 130 are both bending rod members, the connecting member 140 is specifically a rivet, a head of the rivet is provided with a screwing structure for an external tool to screw the rivet, such as an inner hexagonal groove, a straight groove or a cross groove, and in other embodiments, the connecting member 140 may also be a screw.

Referring to fig. 3, specifically, the pulley device 10 further includes a pulley pad 170, the pulley pad 170 is located between the pulley 120 and the second connecting rod 130, and the pulley pad 170 is sleeved on the connecting member 140, so as to prevent the pulley 120 and the second connecting rod 130 from directly contacting and rubbing, and improve the service life of the pulley device 10.

Referring to fig. 1, further, the inner shell assembly further includes an intermediate shaft 150, one end of the intermediate shaft 150 is rotatably connected to the first connecting rod 110, and the other end of the intermediate shaft 150 is rotatably connected to the second connecting rod 130. Thus, when the first connecting rod 110 moves left and right along the length direction thereof, the second connecting rod 130 is rotatably connected with the first connecting rod 110, so that the second connecting rod 130 can be driven to swing relative to the first connecting rod 110, and further, the second connecting rod 130 is rotatably connected with the pulley 120, so that the pulley 120 can be driven to move synchronously.

Further, a shaft sleeve 180 is arranged at the joint of the intermediate shaft 150 and the second connecting rod 130, the shaft sleeve 180 is sleeved on the intermediate shaft 150, and the intermediate shaft 150 penetrates through the shaft sleeve 180 to be connected with the second connecting rod 130, so that the left and right movement of the first connecting rod 110 drives the second connecting rod 130 to swing more smoothly, and the arrangement of the shaft sleeve 180 can also reduce the friction between the two second connecting rods 130.

Referring to fig. 3, as shown in fig. 3, the pulley apparatus 10 further includes an outer casing 200, the outer casing 200 is a hollow casing with an opening at the bottom, the outer casing 200 has a U-shaped cross section, two opposite inner sides of the outer casing 200 along the width direction have protruding notches, the inner casing assembly is aligned with the protruding notches at two sides of the outer casing 200 through the middle shaft 150 and then slides into the outer casing 200, so that the inner casing assembly is accommodated in the outer casing 200, and the inner casing assembly can move along the length direction of the outer casing 200 relative to the outer casing 200, thereby facilitating adjustment of the position of the inner casing assembly in the outer casing 200.

As shown in fig. 2, in an embodiment, the pulley apparatus 10 further includes an adjusting member 300, and one end of the adjusting member 300 passes through the outer casing 200 and is connected to the inner casing assembly; by rotating the adjusting member 300, the inner shell assembly connected to the adjusting member 300 can be driven to move along the length direction of the outer shell 200, for example, by rotating the adjusting screw clockwise, the inner shell assembly moves to the right, and by rotating the adjusting screw counterclockwise, the inner shell assembly moves to the left. In the present embodiment, the adjusting member 300 is embodied as an adjusting screw, and the head of the adjusting screw is provided with a screwing structure for an external tool to screw a rivet, such as a hexagon socket, a straight groove or a cross groove, and the position of the inner shell assembly in the outer shell 200 is adjusted by the adjusting screw.

As shown in fig. 1, in an embodiment, the inner shell assembly further includes an adjusting block 160, two ends of the adjusting block 160 respectively pass through the first mounting holes 111 of the first connecting rod 110, the first connecting rod 110 is connected to the adjusting block 160 by the insertion fit of the adjusting block 160 and the first mounting holes 111, and a threaded through hole is formed in the middle of the adjusting block 160, through which the adjusting element 300 passes and is in threaded connection with the adjusting block 160. The adjusting piece 300 passes through the end of the outer shell 200 and the end of the adjusting block 160, so that the adjusting piece 300 is connected with the outer shell 200 and the adjusting piece 300 is connected with the inner shell assembly, and the position of the adjusting block 160 in the outer shell 200 and the position of the inner shell assembly in the outer shell 200 can be changed by screwing in and screwing out the adjusting piece 300. Specifically, the adjustment block 160 is shaped as an elongated cylinder.

As shown in fig. 3, in one embodiment, the housing 200 further includes a limiting block 220, the limiting block 220 is provided with a through hole, the adjusting member 300 passes through the through hole to be connected with the limiting block 220, and the limiting block 220 is clamped with the housing 200, so that the adjusting member 300 is connected with the housing 200.

Further, the draw-in groove has been seted up to the position that shell 200 and stopper 220 are connected, and stopper 220 passes through this draw-in groove joint in shell 200, specifically, the width of stopper 220 and the width looks adaptation of draw-in groove for the installation is more inseparable.

As shown in fig. 1, in one embodiment, the two side walls of the housing 200 along the width direction thereof are both provided with adjusting holes 210, the adjusting holes 210 extend along the height direction of the housing 200, and two ends of the connecting member 140 respectively extend into the adjusting holes 210 at two opposite sides. Along with the rotation of the adjusting member 300 in the adjusting block 160, the adjusting block 160 will move along the length direction of the housing 200, and further drive the first connecting rod 110 fixedly connected with the adjusting block 160 to move along the length direction of the housing 200, and because the first connecting rod 110 is rotatably connected with the second connecting rod 130, the second connecting rod 130 is driven to swing along the height direction of the housing 200 relative to the first connecting rod 110, and because the second connecting rod 130 is connected with the pulley through the connecting member 140, and the housing 200 is provided with the adjusting hole 210 along the height direction, and the connecting member 140 is installed in the adjusting hole 210, the second connecting rod 130 can drive the pulley to move along the height direction of the housing 200 in the adjusting hole 210, and further can adjust the height of the pulley, and has a larger adjusting amount, on the one hand, the processing error in the door and window production process can be compensated, and the situation that the pulley device 10 cannot be installed on a sliding door and window can be avoided, the installation precision of the sliding door and window is improved, and the lap joint quantity between the frame and the sash is ensured; on the other hand, the pulley device 10 can also be matched with door and window profiles with other specifications in a certain range. Preferably, the adjustment holes 210 are kidney-shaped holes distributed along the height direction of the housing 200. Compared with the prior art in which the adjusting holes 210 are arranged as inclined holes, the adjusting holes 210 are distributed along the height direction, so that the height adjustment of the pulley position is more accurate, and the adjusting precision of the pulley is ensured.

Above-mentioned pulley device 10, stopper 220 passes through the draw-in groove and shell 200 joint, the inner shell subassembly slides in shell 200 after aligning through jackshaft 150 and the bellied notch in shell 200 both sides, regulating block 160 is connected with the inner shell subassembly through first mounting hole 111 of first connecting rod 110, the one end of regulating part 300 passes the through-hole of stopper 220 and the screw thread through-hole of regulating block 160 successively, through rotatory regulating part 300, drive regulating block 160 and move about along the length direction of shell 200, and then drive first connecting rod 110 and move about, because the one end of second connecting rod 130 is connected with second connecting rod 130, the other end of first connecting rod 110 is connected with the pulley, make the removal of moving about of first connecting rod 110 drive rotate connect in the second connecting rod 130 of first connecting rod 110 along the direction of height of shell 200 and reciprocate, thereby drive the pulley that is connected in second connecting rod 130 and reciprocate. The length of the first connecting rod 110 and the number of the pulleys can be adaptively changed according to the weight of the sliding door, and the first connecting rod 110 is easy to produce, low in processing cost and convenient for assembling the pulley device 10.

It should be noted that the present invention also provides a sliding door (not shown) comprising the pulley device 10, wherein the sliding door slides on the sliding rail through the pulley device 10 to open or close the whole sliding door. Because first connecting rod 110 among this sliding door's pulley gear 10 meets end to end in proper order through a plurality of body of rod and assembles and form, consequently in the course of working, can directly process a plurality of body of rod, assemble into first connecting rod 110 through a plurality of body of rod, need not to process according to the whole length of inner shell, thereby reduce the processing degree of difficulty and processing cost, the assembly of being convenient for, in addition, first connecting rod 110's length can be according to the body of rod number change of concatenation, when pulley gear 10 bearing increases, can be with the length increase of inner shell subassembly through increasing body of rod number, thereby can be convenient carry out the adaptation according to actual bearing namely the pulley number, pulley gear 10's use adaptability has been improved. Compared with the existing sliding door, the sliding door has the advantages of easiness in production, lower cost and high pulley adjustment precision.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A pulley arrangement, comprising an inner shell assembly;

the inner shell assembly comprises a first connecting rod (110) and a pulley (120), the first connecting rod (110) comprises a plurality of rod bodies, two ends of each rod body along the length direction of the rod body are respectively provided with a first mounting hole (111), and the plurality of rod bodies are sequentially spliced end to end through the first mounting holes (111) to form the first connecting rod (110); the pulley (120) is rotatably connected to the first link (110).

2. The pulley device according to claim 1, characterized in that the inner shell assembly further comprises a second connecting rod (130) and a connecting member (140), one end of the second connecting rod (130) is rotatably connected with the pulley (120) through the connecting member (140), and the other end of the second connecting rod (130) is rotatably connected with the first connecting rod (110).

3. The pulley device according to claim 2, characterized in that the pulley device further comprises an outer housing (200), the inner housing assembly is received in the outer housing (200) and the inner housing assembly is movable relative to the outer housing (200) along a length direction of the outer housing.

4. A pulley arrangement according to claim 3, characterized in that the pulley arrangement further comprises an adjusting member (300), one end of the adjusting member (300) passing through the outer housing (200) and being connected to the inner housing assembly; the adjusting piece (300) is rotated, and the adjusting piece (300) can drive the inner shell assembly to move relative to the outer shell (200) along the length direction of the outer shell.

5. The pulley arrangement according to claim 4, characterized in that the inner shell assembly further comprises an adjustment block (160), the adjustment block (160) being connected with the first link (110), the adjustment member (300) being threaded with the adjustment block (160) through the adjustment block (160).

6. The pulley device according to claim 5, characterized in that the housing (200) further comprises a stopper (220), the stopper (220) is clamped with the housing (200); the limiting block (220) is provided with a through hole, and the adjusting piece (300) penetrates through the through hole to be connected with the shell (200).

7. The pulley device according to claim 6, characterized in that the housing (200) has adjusting holes (210) formed on both side walls in the width direction thereof, the adjusting holes (210) extend in the height direction of the housing (200), both ends of the connecting member (140) respectively extend into the adjusting holes (210) on the opposite sides, and the connecting member (140) can move in the adjusting holes (210).

8. The pulley device according to claim 7, wherein the housing (200) is provided with a slot, and the limit block (220) is clamped to the housing (200) through the slot.

9. The pulley arrangement according to any of claims 2-8, characterized in that the inner shell assembly further comprises an intermediate shaft (150), wherein both ends of the intermediate shaft (150) are rotatably connected to the first and second connecting rods (110, 130), respectively.

10. A sliding door or window, characterised in that it comprises a pulley device (10) according to any one of claims 1 to 9.