Clamping and fixing pulley structure for door and window and door and window

Abstract

The invention discloses a clamping and fixing pulley structure for a door and window and the door and window. The pulley structure comprises a shell, the shell is provided with a hollow inner cavity, and an avoiding hole communicating with the hollow inner cavity is formed in the top of the shell; an adjusting hole is formed in one end of the shell; the pulley assembly is mounted in the hollow inner cavity; the fixing piece is arranged in the hollow inner cavity of the shell and located in the avoiding hole; an abutting part is arranged at the top of the fixing part, and the abutting part is used for abutting against or being separated from the inner wall of the mounting groove of the sectional material; the adjusting part is arranged in the adjusting hole in a penetrating mode and connected with the fixing part so as to drive the fixing part to move in the height direction, and therefore the abutting part is driven to abut against or be separated from the inner wall of the mounting groove of the sectional material. Therefore, through the cooperation of the fixing piece and the adjusting piece, the guiding part can move in a reciprocating mode along the inclined guiding groove, the abutting part is driven to abut against or be separated from the inner wall of the sectional material, then the firmness of pulley installation is achieved, the structure is simple, and disassembly and assembly are convenient.

Description

Technical Field

[0001] The invention relates to the field of door and window equipment, and in particular to a clamping and fixing pulley structure for doors and windows and the doors and windows. Background Art

[0002] Door and window hardware pulley is a device used to control the movement and sliding of doors and windows to achieve safe opening and closing of doors and windows. As a core object, the pulley plays an important role in the load-bearing and movement of the entire door and window.

[0003] After long-term use, the pulleys of doors and windows often get damaged, and then the pulleys need to be disassembled and replaced. Nowadays, the pulleys of doors and windows are mostly installed on doors and windows in an integrated manner. As a result, when replacing new door and window pulleys, the entire door and window need to be disassembled before the new door and window pulleys can be replaced, which is not convenient for replacing the pulleys on the pulley doors and windows. In addition, the doors and windows may be damaged during the replacement process, which poses a safety risk. Summary of the invention

[0004] The invention provides a clamping and fixing pulley structure for doors and windows and the doors and windows, so as to improve the convenience of installing and disassembling the pulley structure.

[0005] In order to achieve the above technical objectives, the present invention adopts the following technical solutions:

[0006] The first aspect of the technical solution of the present invention provides a clamping and fixing pulley structure for doors and windows, comprising:

[0007] The outer shell is provided with a hollow inner cavity, and a avoidance hole communicating with the hollow inner cavity is provided at the top of the outer shell; an adjustment hole is provided at one end of the outer shell;

[0008] A pulley assembly is installed in the hollow inner cavity of the housing;

[0009] A fixing member is arranged in the hollow inner cavity of the shell and is located in the avoidance hole; the top of the fixing member has an abutting top portion, and the abutting top portion is used to abut against or separate from the inner wall of the installation groove of the profile;

[0010] The adjusting member is passed through the adjusting hole and connected to the fixing member to drive the fixing member to move along the height direction, thereby driving the abutting top portion to abut against or separate from the inner wall of the installation groove of the profile.

[0011] Preferably, an oblique guide groove is provided on the side wall of the shell, and a guide portion is provided at the bottom of the fixing member, and the guide portion is slidably matched with the oblique guide groove.

[0012] Preferably, a threaded hole is provided on the fixing member, and the adjusting member is an adjusting bolt, which is installed in the adjusting hole of the housing so as to be relatively rotatable but not relatively movable, and is threadably matched with the threaded hole;

[0013] Among them, rotating the adjusting bolt can drive the guide part to move obliquely downward along the inclined guide groove, so as to drive the abutting top part to abut against the inner wall of the installation groove of the profile, thereby driving the top surface of the shell to be close to the top of the installation groove of the profile.

[0014] Preferably, a threaded hole is provided on the fixing member, and the adjusting member is an adjusting bolt, which is installed in the adjusting hole of the housing so as to be relatively rotatable but not relatively movable, and is threadably matched with the threaded hole;

[0015] Among them, rotating the adjusting bolt can drive the guide part to move upward along the inclined guide groove, so as to drive the top of the fixing part to press against the top of the installation groove of the profile, and drive the outer shell downward to press against the inner wall of the installation groove of the profile through the reaction force.

[0016] Preferably, a limit hole is further provided on one end of the top of the housing close to the avoidance hole, a limit member is inserted into the limit hole, and a limit slot is provided on the limit member;

[0017] Wherein, a first limiting groove is provided on the outer wall of the adjusting member, and the first limiting groove is engaged with the limiting bayonet to limit the relative movement between the adjusting member and the housing.

[0018] Preferably, the pulley assembly comprises:

[0019] An inner shell, the inner shell is arranged in the hollow inner cavity, and the inner shell is composed of two inner shell plates parallel to each other; wherein a positioning hole is opened on the surface of each inner shell plate, and the positioning holes of the two inner shell plates are aligned; a connecting hole is opened at a position corresponding to the positioning hole on the outer shell;

[0020] A connecting pin is inserted into the connecting hole and the positioning hole to mount the inner shell on the outer shell;

[0021] The pulley is rotatably installed between the two inner shell plates.

[0022] Preferably, the outer shell is provided with an oblique groove, the inner shell is provided with a connecting pin shaft cooperating with the oblique groove, one end of the inner shell is also provided with a nut block, one end of the outer shell is provided with a height bolt, the height bolt is threadedly connected with the nut block, and the height bolt is rotated to drive the inner shell to adjust its height along the oblique groove through the nut block.

[0023] Preferably, a second limiting groove is provided on the outer wall of the height bolt, and the second limiting groove is engaged with the limiting bayonet to limit the relative movement between the height bolt and the housing.

[0024] Preferably, limiting protrusions are provided on both sides of the top of the shell for inserting the shell into the profile groove.

[0025] A second aspect of the technical solution of the present invention provides a door and window, comprising the above-mentioned clamping and fixing pulley structure.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] The clamping and fixing pulley structure for doors and windows of the technical solution of the present invention can reciprocate along the height direction through the cooperation of the fixing part and the adjusting part, thereby driving the abutting top and the shell to move toward each other, so as to respectively abut against the groove top and the inner wall of the groove of the profile installation groove, thereby realizing the firmness of the pulley installation. Not only is the structure simple, the installation steps are reduced, and the reliability of the pulley is enhanced; moreover, it is very convenient to disassemble and assemble, and only a hexagonal wrench is required to achieve quick disassembly and assembly, which improves the convenience of pulley structure construction and effectively reduces time cost and labor cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic diagram of the overall structure of a clamping and fixing pulley structure for doors and windows provided in the first embodiment of the present invention;

[0029] Figure 2 An exploded view of a clamping and fixing pulley structure for doors and windows provided in the first embodiment of the present invention;

[0030] Figure 3 It is a side view of the first embodiment of the present invention before clamping and fixing;

[0031] Figure 4 It is a side view of the first embodiment of the present invention after clamping and fixing;

[0032] Figure 5 An exploded view of a clamping and fixing pulley structure for doors and windows provided in accordance with a second embodiment of the present invention;

[0033] Figure 6 It is a side view of the second embodiment of the present invention before clamping and fixing;

[0034] Figure 7 It is a side view of the second embodiment of the present invention after clamping and fixing.

[0035] In the accompanying drawings, each reference numeral represents:

[0036] 1. Shell; 101. Hollow inner cavity; 102. Avoidance hole; 103. Oblique guide groove; 104. Adjustment hole; 105. Oblique groove; 106. Limiting protrusion; 107. Limiting jack;

[0037] 2. Pulley assembly; 21. Inner shell; 22. Connecting pin; 23. Pulley; 24. Nut block; 25. Height bolt; 26. Brush box; 27. Brush; 210. Inner shell plate; 211. Positioning hole; 212. Pulley mounting hole; 251. Second limiting groove;

[0038] 3. fixing member; 31. guide portion; 32. abutment top; 301. threaded hole;

[0039] 4. Adjusting member; 41. First limiting groove;

[0040] 5. Limiting piece; 51. Limiting bayonet;

[0041] 100, profile; 110, mounting slot notch. DETAILED DESCRIPTION

[0042] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0043] First embodiment:

[0044] like Figure 1 As shown, a clamping and fixing pulley structure for doors and windows provided by the first embodiment of the present invention comprises a housing 1, a pulley assembly 2, a fixing member 3 and an adjusting member 4. The housing 1 is mounted on the profile of the door and window to provide a mounting base for the pulley assembly 2. The pulley assembly 2 is mounted on the housing 1 to support the door and window and drive the door and window to move. The fixing member 3 and the adjusting member 4 are both mounted on the housing 1 to achieve the clamping and fixing of the entire pulley structure through the mutual cooperation of the two.

[0045] like Figure 2As shown, in this embodiment, the bottom of the housing 1 is recessed toward the top to form a hollow inner cavity 101, and the hollow inner cavity 101 is used to provide an installation space for the pulley assembly 2. In addition, a avoidance hole 102 connected to the hollow inner cavity is provided on the top of the housing 1. The avoidance hole 102 cooperates with the hollow inner cavity 101 to provide an installation space for the fixing member 3. An oblique guide groove 103 is provided on the side wall of the housing 1. The oblique guide groove 103 is used to slide with the fixing member 3 to achieve clamping and fixing of the entire pulley structure. One end of the housing 1 (i.e. Figure 2 An adjustment hole 104 is provided at the left end of the fixing member 3, and the adjustment hole 104 is used to install the adjustment member 4, so that the adjustment member 4 can be used to realize the movement adjustment of the fixing member 3.

[0046] In the above embodiment, preferably, the housing 1 is integrally formed, thereby improving the structural strength of the housing 1. In other embodiments, the housing 1 may also be configured as a combined structure of multiple components as required.

[0047] like Figure 1 As shown, in this embodiment, the pulley assembly 2 is installed in the hollow inner cavity 101 of the housing 1. Specifically, as Figure 2 As shown, the pulley assembly 2 includes an inner shell 21, a connecting pin shaft 22, a pulley 23, a nut block 24, a height bolt 25, a brush box 26 and a brush 27.

[0048] In this embodiment, the inner shell 21 is disposed in the hollow inner cavity 101, and the inner shell 21 is composed of two inner shell plates 210 parallel to each other. A positioning hole 211 is provided on the surface of each inner shell plate 210, and the positioning holes 211 of the two inner shell plates are aligned; accordingly, an inclined groove 105 is provided at a position corresponding to the positioning hole 211 on the outer shell 1 to cooperate with the connecting pin 22. In addition, a pulley mounting hole 212 is provided on the surface of each inner shell plate 210 for mounting a pulley 23. In this embodiment, two pulley mounting holes 212 are provided on the surface of each inner shell plate 210, so that two pulleys 23 can be mounted, but the number is not limited to this number and can be adaptively adjusted as needed.

[0049] like Figure 2 As shown, the nut block 24 is disposed at one end of the inner shell 21 (i.e. Figure 2 The height bolt 25 is arranged at one end of the housing 1 (i.e. Figure 2 The height bolt 25 is threadedly connected to the nut block 24. By turning the height bolt 25, the inner housing 21 can be driven to adjust its height along the inclined slot 105 through the nut block 24, thereby adjusting the height of the pulley. The brush box 26 is mounted on the inner housing 21 and is located outside the pulley 23; accordingly, the brush 27 is mounted on the brush box 26.

[0050] During specific assembly, first, place the two inner shell plates 210 in parallel; then, insert the roller of the pulley 23 into the pulley mounting holes 212 of the two inner shell plates 210; then, pass the connecting pin 22 through the inclined groove 105 and the positioning hole 211 in sequence; finally, thread the height bolt 25 and the nut block 24, so that the inner shell 21 can be driven to adjust to a suitable height along the inclined groove 105 through the nut block 24 by rotating the height bolt 25.

[0051] like Figure 2 As shown, the fixing member 3 in this embodiment is a sheet-like structure, which is arranged in the hollow inner cavity 101 of the housing 1 and is located in the avoidance hole 102. The bottom of the fixing member 3 has a guide portion 31, which is slidably matched with the oblique guide groove 103; and the top of the fixing member 3 has a contact top portion 32, which is used to contact or separate from the inner wall of the profile to achieve clamping and fixing of the entire pulley structure. In addition, limited protrusions 106 are provided on both sides of the top of the housing 1, which are used to pass the housing 1 into the installation groove notch 110 of the profile.

[0052] Specifically, Figure 2 As shown, the fixing member 3 is provided with a threaded hole 301, and the adjusting member 4 is an adjusting bolt. The adjusting bolt 4 is relatively rotatable and immovably installed in the adjusting hole 104 of the housing 1, and is threadably matched with the threaded hole 301, so that the guide portion 31 can be driven to move obliquely downward along the oblique guide groove 103 (i.e., from the upper side to the lower side) by rotating the adjusting bolt 4. Figure 3 to Figure 4 state), so as to drive the abutting top portion 32 to abut against the inner wall of the mounting groove notch 110 of the profile, thereby driving the top surface of the housing 1 to be tightly attached to the top of the mounting groove of the profile 100, thereby achieving the clamping and fixing of the entire pulley structure.

[0053] In addition, the adjusting bolt 4 is installed in the adjusting hole 104 of the housing 1 so as to be relatively rotatable but not relatively movable. In this embodiment, a limiting plug hole 107 is further provided at one end of the top of the housing 1 close to the avoidance hole 102, and a limiting member 5 is inserted into the limiting plug hole 107, and a limiting bayonet 51 is provided on the limiting member 5. Accordingly, a first limiting groove 41 is provided on the outer wall of the adjusting member 4, and the first limiting groove 41 is engaged with the limiting bayonet 51 to limit the relative movement of the adjusting member 4 and the housing 1. More preferably, a second limiting groove 251 is provided on the outer wall of the height bolt 25, and the second limiting groove 251 is engaged with the limiting bayonet 51 to limit the relative movement of the height bolt 25 and the housing 1.

[0054] Combine the following Figure 3 and Figure 4 , the disassembly and assembly process of the clamping and fixing pulley structure of the first embodiment of the present invention is described:

[0055] (I) Installation process

[0056] ① Install the fixing member 3 on the housing 1 so that the guide portion 31 of the fixing member 3 is located in the oblique guide groove 103;

[0057] ② Install the adjusting member 4 on the housing 1 and connect it to the fixing member 3;

[0058] ③ Assemble the pulley assembly 2 and install it in the corresponding area of ​​the housing 1 to form a complete clamping and fixing pulley structure;

[0059] ④ Install the complete housing for clamping and fixing the pulley structure into the profile 100, that is: Figure 3 The status shown;

[0060] ⑤ Twist the adjusting member 4 by means of a tool (eg, an Allen wrench) to make the guide portion 31 move downward along the oblique guide groove 103, thereby driving the abutting portion 32 to abut against the inner wall of the profile 100, thereby achieving the firmness of the pulley installation.

[0061] (II) Disassembly process

[0062] ① Use a tool (e.g., an Allen wrench) to reversely twist the adjusting member 4, so that the guide portion 31 moves upward along the oblique guide groove 103, thereby driving the abutting portion 32 to separate from the inner wall of the abutting profile 100; at this time, the complete clamping and fixing pulley structure and the profile 100 are in a relatively movable state;

[0063] ② Simply take out the complete clamping and fixing pulley structure.

[0064] At this time, the original clamping and fixing pulley structure can be replaced with a new clamping and fixing pulley structure as needed, or some components in the original clamping and fixing pulley structure can be replaced. After the replacement is completed, it can be installed again.

[0065] Second embodiment:

[0066] like Figure 5 As shown, a clamping and fixing pulley structure for doors and windows provided by the second embodiment of the present invention is shown. The difference between this embodiment and the first embodiment is that the movement mode of the fixing member 3 is different.

[0067] Specifically, in this embodiment, a threaded hole 301 is provided on the fixing member 3, and the adjusting member 4 is an adjusting bolt. The adjusting bolt 4 is relatively rotatable and immovably installed in the adjusting hole 104 of the housing 1, and is threadedly matched with the threaded hole 301, so that the guide portion 31 can be driven to move obliquely upward along the oblique guide groove 103 (i.e., from the adjusting portion 31 to the adjusting portion 31). Figure 6 to Figure 7state), so as to drive the abutting top portion 32 of the fixing member to abut against the top of the mounting groove of the profile, and drive the shell to abut against the inner wall of the mounting groove opening 110 of the profile downward through the reaction force, thereby achieving the clamping and fixing of the pulley structure.

[0068] It can be understood that, in this embodiment, except for the different moving direction of the fixing member 3, the rest of the structure is the same as that of the first embodiment, and will not be described in detail here.

[0069] Third embodiment:

[0070] On the basis of the first embodiment or the second embodiment described above, the third embodiment of the present invention further provides a door and window, which includes any one of the clamping and fixing pulley structures described above.

[0071] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0072] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0073] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A clamping and fixing pulley structure for doors and windows, characterized in that: include: The outer shell is provided with a hollow inner cavity, and a avoidance hole communicating with the hollow inner cavity is provided at the top of the outer shell; an adjustment hole is provided at one end of the outer shell; A pulley assembly is installed in the hollow inner cavity of the housing; A fixing member is arranged in the hollow inner cavity of the shell and is located in the avoidance hole; the top of the fixing member has an abutting top portion, and the abutting top portion is used to abut against or separate from the inner wall of the installation groove of the profile; The adjusting member is passed through the adjusting hole and connected to the fixing member to drive the fixing member to move along the height direction, thereby driving the abutting top portion to abut against or separate from the inner wall of the installation groove of the profile.

2. The clamping and fixing pulley structure according to claim 1, characterized in that: An oblique guide groove is provided on the side wall of the shell, and a guide portion is provided at the bottom of the fixing member, and the guide portion is slidably matched with the oblique guide groove.

3. The clamping and fixing pulley structure according to claim 2, characterized in that: The fixing member is provided with a threaded hole, and the adjusting member is an adjusting bolt, which is installed in the adjusting hole of the housing so as to be relatively rotatable but not relatively movable, and is threadably matched with the threaded hole; Among them, rotating the adjusting bolt can drive the guide part to move obliquely downward along the inclined guide groove, so as to drive the abutting top part to abut against the inner wall of the installation groove of the profile, thereby driving the top surface of the shell to be close to the top of the installation groove of the profile.

4. The clamping and fixing pulley structure according to claim 2, characterized in that: The fixing member is provided with a threaded hole, and the adjusting member is an adjusting bolt, which is installed in the adjusting hole of the housing so as to be relatively rotatable but not relatively movable, and is threadably matched with the threaded hole; Among them, rotating the adjusting bolt can drive the guide part to move upward along the inclined guide groove, so as to drive the top of the fixing part to press against the top of the installation groove of the profile, and drive the outer shell downward to press against the inner wall of the installation groove of the profile through the reaction force.

5. The clamping and fixing pulley structure according to claim 3 or 4, characterized in that: A limit hole is also provided on one end of the top of the shell near the avoidance hole, a limit member is inserted into the limit hole, and a limit slot is provided on the limit member; Wherein, a first limiting groove is provided on the outer wall of the adjusting member, and the first limiting groove is engaged with the limiting bayonet to limit the relative movement between the adjusting member and the housing.

6. The clamping and fixing pulley structure according to claim 5, characterized in that: The pulley assembly comprises: An inner shell, the inner shell is arranged in the hollow inner cavity, and the inner shell is composed of two inner shell plates parallel to each other; wherein a positioning hole is opened on the surface of each inner shell plate, and the positioning holes of the two inner shell plates are aligned; a connecting hole is opened at a position corresponding to the positioning hole on the outer shell; A connecting pin is inserted into the connecting hole and the positioning hole to mount the inner shell on the outer shell; The pulley is rotatably installed between the two inner shell plates.

7. The clamping and fixing pulley structure according to claim 6, characterized in that: The outer shell is provided with an oblique groove, the inner shell is provided with a connecting pin shaft matching the oblique groove, one end of the inner shell is also provided with a nut block, one end of the outer shell is provided with a height bolt, the height bolt is threadedly connected with the nut block, and the height bolt is rotated to drive the inner shell to adjust its height along the oblique groove through the nut block.

8. The clamping and fixing pulley structure according to claim 7, characterized in that: A second limiting groove is provided on the outer wall of the height bolt, and the second limiting groove is engaged with the limiting bayonet to limit the relative movement between the height bolt and the housing.

9. The clamping and fixing pulley structure according to claim 1, characterized in that: Limiting protrusions are arranged on both sides of the top of the shell, which are used to insert the shell into the profile groove.

10. A door and window, characterized in that: It comprises a clamping and fixing pulley structure as described in any one of claims 1 to 9.

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