Pulley device

Abstract

The utility model belongs to the technical field of pulleys, and particularly relates to a pulley device which comprises a mounting seat and a connecting arm, one end of the mounting seat is bent upwards to form a mounting wall, the connecting arm comprises a mounting portion and a connecting portion, the mounting portion is mounted on the mounting wall through a fastener, and the connecting portion is connected with the mounting wall through a fastener. The connecting part is arranged at one end of the mounting part, and the connecting part is connected with a belt. The mounting wall is arranged on the mounting seat to mount the connecting arm, so that the use of other parts is reduced, the production cost is reduced, the structure is simple, and a worker can conveniently disassemble, assemble and maintain.

Description

Technical Field

[0001] The utility model belongs to the technical field of hardware accessories, and in particular relates to a pulley device. Background Art

[0002] The linked sliding door is a new type of aluminum alloy door and window structure, which can be extended and contracted freely, especially in the contracted state, the three doors and windows overlap each other, which can greatly increase the pass-through area of ​​the doors and windows.

[0003] The existing three-linkage sliding doors are linked to each other through a pulley structure, that is, a transmission wheel and a belt are installed on the middle door and window, and a connecting arm connected to the belt is installed on the pulley devices on the other two doors and windows. When the outer door and window move, the middle door and window and the other outer door and window are driven to move to achieve opening and closing. However, the existing connecting arm needs to be installed at one end of the pulley device in conjunction with other independent components such as a connecting seat. The structure is relatively complicated, which is not convenient for staff to disassemble and assemble, and the production cost is relatively high. Utility Model Content

[0004] The purpose of the utility model is to provide a pulley device which can solve the above problems.

[0005] To achieve the above-mentioned purpose, the present invention provides a pulley device, comprising:

[0006] A mounting seat, one end of which is bent upward to form a mounting wall; and

[0007] The connecting arm comprises a mounting portion and a connecting portion, wherein the mounting portion is mounted on the mounting wall via a fastener, the connecting portion is arranged at one end of the mounting portion, and the connecting portion is connected to a belt.

[0008] Optionally, a support wall is formed at the upper end of the mounting wall extending toward an end away from the mounting seat, and the upper end of the mounting portion abuts against the support wall.

[0009] Optionally, the mounting wall is provided with at least two spaced-apart connecting holes, the mounting portion is provided with a strip hole corresponding to the connecting holes and arranged transversely, and the fastener is threadedly connected to the connecting hole through the strip hole.

[0010] Optionally, the connecting portion includes a vertical wall, a horizontal wall and a connecting wall, the vertical wall is connected to one end of the mounting portion, the horizontal wall is connected to the lower end of the vertical wall and extends toward a side away from the mounting seat, the connecting wall is connected to the horizontal wall and extends upward, a clamping piece is provided at the upper end of the connecting wall, and a groove is provided on the clamping piece for clamping the belt.

[0011] Optionally, the fastener is a screw.

[0012] Compared with the prior art, the utility model has the following beneficial effects: by providing a mounting wall on the mounting seat to mount the connecting arm, the use of other components is reduced, thereby reducing production costs; the structure is simple, and it is convenient for workers to disassemble, assemble and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is an explosion diagram of the utility model.

[0015] Figure 2 It is a three-dimensional diagram of the utility model.

[0016] Figure 3 It is a three-dimensional diagram of the connection between the connecting arm and the clamping member in the utility model.

[0017] In the figure:

[0018] 100, mounting seat; 110, mounting wall; 111, connecting hole; 120, supporting wall;

[0019] 200, connecting arm; 210, mounting portion; 211, strip-shaped hole; 220, connecting portion; 221, vertical wall; 222, horizontal wall; 223, connecting wall;

[0020] 300, fasteners;

[0021] 400, clamping member; 410, notch. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0023] In the description of the embodiments of the present invention, it should be understood that if there are directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, inside, outside, etc., the directions or positional relationships indicated are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of describing the embodiments of the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, it should not be understood as a limitation on the present invention.

[0024] 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 one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0025] In the embodiments of the present invention, unless otherwise clearly specified and limited, if there are terms such as "installed", "connected", "connected", "fixed", etc., they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to the specific circumstances.

[0026] like Figures 1 to 3 As shown, an embodiment of the utility model provides a pulley device, including a mounting seat 100 and a connecting arm 200 .

[0027] Among them, one end of the mounting seat 100 is bent upward to form a mounting wall 110. Specifically, when producing the mounting seat 100, the mounting wall 110 can be formed by bending one end thereof 90 degrees, which is convenient for production. Further, the connecting arm 200 includes a mounting portion 210 and a connecting portion 220. The mounting portion 210 is installed on the mounting wall 110 through a fastener 300. That is, by providing the mounting wall 110 on the mounting seat 100 to install the connecting arm 200, the use of other components is reduced, thereby reducing the production cost. The structure is simple and convenient for disassembly, assembly and maintenance by the staff. Specifically, the fastener 300 in this embodiment is preferably a screw.

[0028] Furthermore, the connecting portion 220 is arranged at one end of the mounting portion 210, and the connecting portion 220 is connected to a belt (not shown in the figure) located on the middle door and window. More specifically, the connecting portion 220 includes a vertical wall 221, a horizontal wall 222 and a connecting wall 223, wherein the vertical wall 221 is connected to one end of the mounting portion 210, the horizontal wall 222 is connected to the lower end of the vertical wall 221 and extends toward a side away from the mounting seat 100, the connecting wall 223 is connected to the horizontal wall 222 and extends upward, and a clamping member 400 is provided at the upper end of the connecting wall 223, and a groove 410 capable of clamping the belt is provided on the clamping member 400, so that the structure is more stable and can prevent deformation.

[0029] In one embodiment, the upper end of the mounting wall 110 extends toward an end away from the mounting seat 100 to form a supporting wall 120 , and the upper end of the mounting portion 210 abuts against the supporting wall 120 , thereby improving the stability of the connecting arm 200 .

[0030] In one embodiment, the mounting wall 110 is provided with at least two spaced-apart connecting holes 111, preferably two in this embodiment. Furthermore, the mounting portion 210 is provided with a strip hole 211 corresponding to the connecting hole 111 and arranged laterally, and the fastener 300 is threadedly connected to the connecting hole 111 through the strip hole 211, that is, the connecting arm 200 can be adjusted left and right through the strip hole 211 to adapt to on-site installation.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pulley device, characterized in that: include: A mounting seat (100), one end of the mounting seat (100) being bent upward to form a mounting wall (110); as well as A connecting arm (200), the connecting arm (200) comprising a mounting portion (210) and a connecting portion (220), the mounting portion (210) being mounted on the mounting wall (110) via a fastener (300), the connecting portion (220) being arranged at one end of the mounting portion (210), and the connecting portion (220) being connected to a belt.

2. A pulley device according to claim 1, characterized in that: The upper end of the mounting wall (110) extends toward an end away from the mounting seat (100) to form a support wall (120), and the upper end of the mounting portion (210) abuts against the support wall (120).

3. A pulley device according to claim 1, characterized in that: The installation wall (110) is provided with at least two spaced connection holes (111), the installation portion (210) is provided with a strip hole (211) corresponding to the connection hole (111) and arranged transversely, and the fastener (300) is threadedly connected to the connection hole (111) through the strip hole (211).

4. A pulley device according to claim 1, characterized in that: The connecting portion (220) comprises a vertical wall (221), a horizontal wall (222) and a connecting wall (223); the vertical wall (221) is connected to one end of the mounting portion (210); the horizontal wall (222) is connected to the lower end of the vertical wall (221) and extends toward a side away from the mounting seat (100); the connecting wall (223) is connected to the horizontal wall (222) and extends upward; a clamping member (400) is provided at the upper end of the connecting wall (223); and a notch (410) capable of clamping the belt is provided on the clamping member (400).

5. A pulley device according to any one of claims 1 to 4, characterized in that: The fastener (300) is a screw.

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