Pulley assembly and sliding door and window

Abstract

The utility model provides a pulley assembly and a sliding door / window, and the pulley assembly comprises a pulley main body which comprises a housing, and the housing is provided with a first limiting part; the fixing piece comprises a second limiting part and an assembling part connected with the second limiting part, the fixing piece is assembled to a door and window profile through a self-tapping screw penetrating through the assembling part, and the fixing piece is assembled to a shell of the pulley body in the mode that the second limiting part and the first limiting part are embedded; and the clamping piece is inserted between the first limiting part and the second limiting part, and the shell of the pulley main body and the fixing piece are locked and fixed by tightly jacking the first limiting part and the second limiting part respectively. The universality of the pulley assembly can be improved.

Description

Technical Field

[0001] The utility model relates to the field of hardware building materials, and more specifically, to a pulley assembly and a sliding window and door. Background Art

[0002] Due to the complexity and diversity of door and window profiles in the market, a variety of non-standard hardware accessories are required to meet the installation requirements. For example, for metal pulleys, in order to be installed on door and window profiles, multiple processes such as milling and grinding are often required to meet the corresponding specifications of the profiles, which is not only time-consuming and laborious, but also wasteful of materials. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a pulley assembly and a sliding window and door in view of the problem that the above-mentioned pulley needs processes such as milling and grinding to meet the installation requirements of different specifications of profiles.

[0004] The technical solution of the utility model to solve the above technical problem is to provide a pulley assembly, including:

[0005] A pulley main body, including a housing, and the housing has a first limiting portion;

[0006] A fixing member, including a second limiting portion and an assembling portion connected to the second limiting portion, and the fixing member is assembled to the door and window profile through the assembling portion, and the fixing member is assembled to the housing of the pulley main body in a manner that the second limiting portion is embedded with the first limiting portion;

[0007] A clamping member, which is inserted between the first limiting portion and the second limiting portion, and locks and fixes the housing of the pulley main body and the fixing member by respectively pressing against the first limiting portion and the second limiting portion.

[0008] As a further improvement of the utility model, the first limiting portion includes a first installation groove, and the cross section of the first installation groove is C-shaped;

[0009] The second limiting portion includes a slider portion, the slider portion includes a first wing portion, a second wing portion and a second installation groove located between the first wing portion and the second wing portion, the fixing member is assembled to the housing of the pulley main body in a manner that the first wing portion and the second wing portion are inserted into the first installation groove, and the opening of the second installation groove faces the bottom wall of the first installation groove;

[0010] The clamping member is inserted between the first installation groove and the second installation groove, and locks and fixes the housing of the pulley main body and the slider portion of the fixing member by respectively pressing against the bottom wall of the first installation groove and the bottom wall of the second installation groove.

[0011] As a further improvement of the present utility model, the clamping member is composed of a screw, and the hardness of the screw is greater than the hardness of the slider portion and the hardness of the outer shell; the bottom wall of the first installation groove has a first arc-shaped groove, the bottom wall of the second installation groove has a second arc-shaped groove, and when the slider portion is inserted into the first installation groove, the first arc-shaped groove and the second arc-shaped groove are opposite to each other, and the screw is screwed into the groove walls of the first arc-shaped groove and the second arc-shaped groove to lock and fix the outer shell of the pulley main body and the slider portion of the fixing member.

[0012] As a further improvement of the present utility model, the outer shell includes a first side wall perpendicular to the length direction, and the first installation groove is located on the first side wall and penetrates the first side wall in the vertical direction.

[0013] As a further improvement of the present utility model, the size of the slider portion in the vertical direction is smaller than the size of the first installation groove in the vertical direction.

[0014] As a further improvement of the present utility model, the assembly portion of the fixing member includes a plurality of support arms respectively connected to the second limiting portion, the support arms are arranged in the horizontal direction, and each support arm has a vertical installation hole for a self-tapping screw to pass through.

[0015] As a further improvement of the present utility model, the assembly portion of the fixing member includes two support arms respectively along the width direction of the outer shell, and the installation holes on the two support arms respectively protrude from two side walls of the outer shell perpendicular to the width direction.

[0016] As a further improvement of the present utility model, the first limiting portion includes a third wing portion and a fourth wing portion, the second limiting portion includes a C-shaped groove, the fixing member is assembled to the outer shell of the pulley main body in a manner that the third wing portion and the fourth wing portion are inserted into the C-shaped groove, the clamping member is inserted between the bottom wall of the C-shaped groove and the outer shell, and the outer shell of the pulley main body and the fixing member are locked and fixed by respectively pressing against the side wall of the outer shell and the bottom wall of the C-shaped groove.

[0017] As a further improvement of the present utility model, the pulley main body includes an inner shell, a pulley and an adjusting screw; the inner shell is detachably installed in the inner cavity of the outer shell, the pulley is arranged in the inner shell; the adjusting screw passes through the outer shell along the side surface in the length direction of the outer shell and abuts against the inner shell.

[0018] The present utility model also provides a sliding door and window, including a door and window profile and the pulley assembly as described above.

[0019] The utility model has the following beneficial effects: The detachable assembly of the fixing member and the housing is realized by the embedded fit of the first limiting portion on the housing and the second limiting portion on the fixing member and being locked and fixed by the clamping member, so that the installation requirements of different specifications of door and window profiles can be conveniently met by replacing the fixing member, and the versatility of the pulley assembly is improved. Brief Description of the Drawings

[0020] Figure 1 is an exploded structural schematic diagram of the pulley assembly provided by an embodiment of the utility model.

[0021] Figure 2 is a planar structural schematic diagram of the fixing member in the pulley assembly provided by an embodiment of the utility model.

[0022] Figure 3 is a partial planar structural schematic diagram of the housing in the pulley assembly provided by an embodiment of the utility model.

[0023] Figure 4 is a sectional structural schematic diagram of the pulley assembly provided by an embodiment of the utility model.

[0024] Figure 5 is a schematic diagram of the combined state of the pulley assembly provided by an embodiment of the utility model.

[0025] Figure 6 is a schematic diagram of the pulley assembly assembled to the door and window frame provided by an embodiment of the utility model.

[0026] Figure 7 is a schematic diagram of the assembly process of the pulley assembly provided by an embodiment of the utility model.

[0027] 11 Housing 111 First Side Wall

[0028] 12 Inner Housing 112 First Installation Groove

[0029] 1121 First Arc-shaped Groove 113 Shaft Hole

[0030] 114 Second Side Wall 13 Pulley

[0031] 14 Intermediate Shaft 15 Adjusting Screw

[0032] 20 Fixing Member 21 Slide Block Portion

[0033] 211 First Wing Portion 212 Second Wing Portion

[0034] 213 Second Installation Groove 2131 First Arc-shaped Groove

[0035] 22 Assembly Portion 221 Arm

[0036] 222 Installation Hole 30 Clamping Member

[0037] 40 Door and window profiles 50 Self-tapping screws

[0038] 60 Frame profiles Detailed implementation manners

[0039] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0040] As Figure 1 shown, it is a schematic diagram of a pulley assembly provided by an embodiment of the present utility model. The pulley assembly can be installed at the bottom of a door and window profile (i.e., the frame of a door and window), and can cooperate with a door frame / window frame profile to achieve the push-pull sliding of the door and window. The pulley assembly of this embodiment includes a pulley main body, a fixing member 20 and a clamping member 30. The above-mentioned fixing member 20 can be detachably connected to the pulley main body through the clamping member 30, and the entire pulley assembly is fixed to the door and window profile through the fixing member 20.

[0041] The above-mentioned pulley main body includes a housing 11, which can be processed from aluminum alloy, sheet metal or other metal materials. The housing 11 is integrally in the shape of a cuboid box and has an opening at the bottom. The housing 11 has a first limiting portion. Specifically, the first limiting portion can be located outside the side wall of the housing 11.

[0042] The fixing member 20 can also be processed from aluminum alloy, sheet metal or other metal materials. The fixing member 20 includes a second limiting portion and an assembling portion connected to the second limiting portion. The above-mentioned second limiting portion and the assembling portion can be an integral structure to ensure its structural strength. Moreover, the fixing member 20 is assembled to the door and window profile through the assembling portion. The fixing member 20 is assembled to the housing 11 of the pulley main body in such a way that the second limiting portion is embedded in the first limiting portion. And when there is no external force, the fixing member 20 and the housing 11 can slide relative to each other, so as to easily adjust the relative position of the fixing member 20 on the housing 11. Those skilled in the art can understand that in order to achieve the embedded fit, the shapes and sizes of the first limiting portion on the above-mentioned housing and the second limiting portion on the fixing member 20 are adapted to each other.

[0043] After the fixing member 20 is assembled to the housing 11 of the pulley main body, the clamping member 30 is inserted between the first limiting portion and the second limiting portion, and the housing 11 of the pulley main body and the fixing member 20 are locked and fixed by respectively pressing against the first limiting portion and the second limiting portion.

[0044] When installing the above pulley assembly onto the door and window profiles, first select a fixing member 20 suitable for the door and window profiles, and fix the fixing member 20 onto the door and window profiles 40 through self-tapping screws 50 passing through the assembly part 22. Then, assemble the pulley body onto the fixing member 20 by fitting the first limiting part and the second limiting part together. Finally, insert the clamping member 30 between the first limiting part and the second limiting part and press against the first limiting part and the second limiting part to lock and fix the outer shell 11 of the pulley body and the fixing member 20, as Figure 6 shown. Of course, during actual use, the pulley body, the fixing part 20, and the clamping member 30 can also be assembled together first, and then the fixing member 20 can be fixed onto the door and window profiles through self-tapping screws passing through the assembly part 22. After the door and window are installed in place, the pulley 13 can cooperate with the frame profile 60 to achieve the push-pull movement of the door and window.

[0045] When the pulley assembly is damaged and needs to be replaced, first remove the clamping member 30, and then remove the pulley body, as Figure 7 shown. Then, assemble a new pulley body onto the fixing member 20 by fitting the first limiting part and the second limiting part together. Finally, insert the clamping member 30 between the first limiting part and the second limiting part and press against the first limiting part and the second limiting part to lock and fix the outer shell 11 of the pulley body and the fixing member 20. During the process of removing the old pulley body and assembling the new pulley body, there is no need to remove the self-tapping screws 50 on the door and window profiles.

[0046] For the above pulley assembly, through the fitting of the first limiting part on the outer shell 11 and the second limiting part on the fixing member 20 and being locked and fixed by the clamping member 30, the detachable assembly of the fixing member 20 and the outer shell 11 is realized, so that the installation requirements of different specifications of door and window profiles can be conveniently met by replacing the fixing member 20, avoiding operations such as milling and grinding on the pulley assembly, and improving the versatility of the pulley assembly. Moreover, compared with the existing pulleys, when replacing a damaged pulley, there is no need to repeatedly drive self-tapping screws to cause damage to the profiles, and at the same time, the efficiency of pulley replacement is also improved.

[0047] It can be understood that to achieve the push-pull sliding of the door and window, similar to the existing pulleys, in addition to the outer shell 11, the above pulley body further includes an inner shell 12, a pulley 13, an intermediate shaft 14, and an adjusting screw 15. Wherein the outer shell 11 includes an inner cavity communicating with the opening, and two side walls perpendicular to its width direction (i.e., Figure 1 the direction Y in Figure 1The side surface in the direction X) passes through the outer shell 11 and abuts against the inner shell 12, and the position of the inner shell 12 in the inner cavity of the outer shell 11 can be adjusted by adjusting the length inserted into the inner cavity of the outer shell 11. In practical applications, the above pulley body can adopt other conventional technologies in the art, which will not be elaborated here.

[0048] Combined Figure 2 、 Figure 3 As shown in, in an embodiment of the present invention, the first limiting portion on the above outer shell 11 includes a first installation groove 112, the cross-section of the first installation groove 112 is C-shaped, and at least one end in the length direction (i.e., Figure 1 the Z direction in) forms an insertion port. Correspondingly, the second limiting portion on the fixing member 20 includes a slider portion 21, and the slider portion 21 includes a first wing portion 211, a second wing portion 212 and a second installation groove 213, wherein the second installation groove 213 is located between the first wing portion 211 and the second wing portion 212. The fixing member 20 is assembled to the outer shell 11 of the pulley body in such a way that the first wing portion 211 and the second wing portion 212 are inserted into the first installation groove 112 through the insertion port, and the opening of the second installation groove 213 faces the bottom wall of the first installation groove 112. The clamping member 30 is inserted between the first installation groove 112 and the second installation groove 213, and the outer shell 11 of the pulley body and the slider portion 21 of the fixing member 20 are locked and fixed by respectively pressing against the bottom wall of the first installation groove 112 and the bottom wall of the second installation groove 213. It can be understood that the shapes and sizes of the above first wing portion 211, second wing portion 212, first installation groove 112, second installation groove 213 and clamping member 30 are adapted to each other, which will not be elaborated here.

[0049] In the above pulley assembly, since the slider portion 21 can slide in the first installation groove 112, the position of the fixing member 20 can be adjusted by sliding the slider portion 21 relative to the outer shell 11. After the adjustment is in place, the clamping member 30 can be inserted between the first installation groove 112 and the second installation groove 213.

[0050] In an embodiment of the present invention, the above clamping member 30 is composed of a screw, and the hardness of the screw is greater than the hardness of the slider portion 21 and the hardness of the outer shell 11. Correspondingly, the bottom wall of the first installation groove 112 has a first arc-shaped groove 1121, the bottom wall of the second installation groove 213 has a second arc-shaped groove 2131, and when the slider portion 21 is inserted into the first installation groove 112, the first arc-shaped groove 1121 and the second arc-shaped groove 2131 are opposite, and the screw is screwed into the groove walls of the first arc-shaped groove 1121 and the second arc-shaped groove 2131 to lock and fix the outer shell 11 of the pulley body and the slider portion 21 of the fixing member 20.

[0051] Since the hardness of the screw is greater than that of the housing 11 and the slider portion 21, when the screw is screwed in, while the screw presses against the groove walls of the first arc-shaped groove 1121 and the second arc-shaped groove 2131, its threads can be embedded into the first arc-shaped groove 1121 and the second arc-shaped groove 2131, thus ensuring that the screw will not become loose during use. At the same time, by using the screw as the clamping member, its disassembly and assembly can be achieved only with a screwdriver.

[0052] In an embodiment of the present utility model, the above-mentioned housing 11 includes a first side wall 111 and a second side wall 114 perpendicular to the length direction (i.e., Figure 1 the direction X in the figure), and the first installation groove 112 is located on the first side wall 111 and penetrates the first side wall 111 in the vertical direction, that is, both ends of the first installation groove 112 can be inserted with the slider portion 21. In this way, the assembly of the pulley main body and the fixing member 20 is greatly facilitated.

[0053] Of course, to improve the fixing stability of the pulley assembly, the first installation groove 112 can be respectively provided on the first side wall 111 and the second side wall 114 of the housing 11, and the fixing member 20 can be respectively assembled at both ends of the housing 11, so as to fix the pulley main body from both ends, as Figure 4 、 Figure 5 shown.

[0054] Particularly, the size of the slider portion 21 of the fixing member 20 in the vertical direction (i.e., Figure 1 the direction Z in the figure) is smaller than the size of the first installation groove 112 in the vertical direction. In this way, the sliding distance of the slider portion 21 of the fixing member 20 in the first installation groove 112 can be larger, and its position adjustment space is relatively larger. And, to improve the fixing strength between the fixing member 20 and the door and window profiles, two fixing members 20 can be assembled at the same first installation groove 112, as Figure 5 shown.

[0055] In an embodiment of the present utility model, the assembly portion 22 of the above-mentioned fixing member 20 includes a plurality of support arms 221 respectively connected to the slider portion 21. These support arms 221 are arranged in the horizontal direction, and each support arm 221 has a vertical installation hole 222 for a self-tapping screw 50 to pass through. For different specifications of door and window profiles, the lengths of the support arms 221 of the fixing member 20 can be different, and correspondingly, the hole distances of the installation holes 222 on the support arms 221 are also different.

[0056] Particularly, the assembly portion 22 of the fixing member 20 includes two support arms 221 respectively along the width direction of the housing 11, and the installation holes 222 on the two support arms 221 respectively protrude from two side walls of the housing 11 perpendicular to the width direction. In this way, the pulley assembly can be prevented from shaking relative to the door and window profiles during use.

[0057] In an embodiment of the present utility model, compared withFigures 1 - 4 Different from the embodiments, the first limiting portion on the outer shell 11 includes a third wing portion and a fourth wing portion, the second limiting portion on the fixing member 20 includes a C-shaped groove, and the fixing member 20 is assembled to the outer shell 11 of the pulley body in such a way that the third wing portion and the fourth wing portion are inserted into the C-shaped groove. The clamping member 30 is inserted between the bottom wall of the C-shaped groove and the outer shell 11, and the outer shell 11 of the pulley body and the fixing member 20 are locked and fixed by tightly pressing the side wall of the outer shell 11 and the bottom wall of the C-shaped groove respectively.

[0058] The present utility model also provides a sliding door and window, which includes a door and window profile and the pulley assembly as described above. The pulley assembly is fixed to the bottom of the door and window profile by self-tapping screws passing through the assembly portion.

[0059] As described above, only the preferred specific embodiments of the present utility model are provided, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A pulley assembly, characterized in that, Comprising: A pulley body, including a housing, on which there is a first limiting portion; A fixing member, including a second limiting portion and an assembling portion connected to the second limiting portion, and the fixing member is assembled to a door and window profile through a self-tapping screw passing through the assembling portion, and the fixing member is assembled to the housing of the pulley body in a manner that the second limiting portion is embedded with the first limiting portion; A clamping member, which is inserted between the first limiting portion and the second limiting portion, and locks and fixes the housing of the pulley body and the fixing member by respectively pressing against the first limiting portion and the second limiting portion.

2. The pulley assembly according to claim 1, wherein The first limiting portion includes a first mounting groove, and the cross-section of the first mounting groove is C-shaped; The second limiting portion includes a slider portion, the slider portion includes a first wing portion, a second wing portion and a second mounting groove located between the first wing portion and the second wing portion, the fixing member is assembled to the housing of the pulley body in a manner that the first wing portion and the second wing portion are inserted into the first mounting groove, and the opening of the second mounting groove faces the bottom wall of the first mounting groove; The clamping member is inserted between the first mounting groove and the second mounting groove, and locks and fixes the housing of the pulley body and the slider portion of the fixing member by respectively pressing against the bottom wall of the first mounting groove and the bottom wall of the second mounting groove.

3. The pulley assembly according to claim 2, wherein, The clamping member is composed of a screw, and the hardness of the screw is greater than the hardness of the slider portion and the hardness of the housing; The bottom wall of the first mounting groove has a first arc-shaped groove, the bottom wall of the second mounting groove has a second arc-shaped groove, and when the slider portion is inserted into the first mounting groove, the first arc-shaped groove and the second arc-shaped groove are opposite, and the screw is screwed into the groove walls of the first arc-shaped groove and the second arc-shaped groove to lock and fix the housing of the pulley body and the slider portion of the fixing member.

4. The pulley assembly according to claim 2, wherein, The housing includes a first side wall perpendicular to the length direction, and the first mounting groove is located on the first side wall and penetrates the first side wall in the vertical direction.

5. The pulley assembly according to claim 4, wherein The dimension of the slider portion in the vertical direction is smaller than the dimension of the first mounting groove in the vertical direction.

6. The pulley assembly according to claim 1, wherein The assembling portion of the fixing member includes several support arms respectively connected to the second limiting portion, the support arms are arranged in the horizontal direction, and each support arm has a vertical mounting hole for a self-tapping screw to pass through.

7. The pulley assembly according to claim 6, wherein, The assembling portion of the fixing member includes two support arms respectively along the width direction of the housing, and the mounting holes on the two support arms respectively protrude from two side walls of the housing perpendicular to the width direction.

8. The pulley assembly according to claim 1, wherein, The first limiting portion includes a third wing portion and a fourth wing portion, the second limiting portion includes a C-shaped groove, the fixing member is assembled to the housing of the pulley body in a manner that the third wing portion and the fourth wing portion are inserted into the C-shaped groove, the clamping member is inserted between the bottom wall of the C-shaped groove and the housing, and locks and fixes the housing of the pulley body and the fixing member by respectively pressing against the side wall of the housing and the bottom wall of the C-shaped groove.

9. The pulley assembly according to any one of claims 1-8, characterized in that, The pulley body includes an inner housing, a pulley and an adjusting screw; the inner housing is detachably installed in the inner cavity of the housing, the pulley is arranged in the inner housing; the adjusting screw passes through the housing along the side surface in the length direction of the housing and abuts against the inner housing.

10. A push-pull door and window, characterized in that, It includes door and window profiles and the pulley assembly as described in any one of claims 1-9.

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