Buffering pulley assembly of lifting sliding door

Abstract

The utility model discloses a buffer pulley assembly of a lifting sliding door, which is simple in structure, can add a buffer energy storage function, and solves the problem of labor saving. According to the technical scheme, the buffering pulley assembly of the lifting sliding door comprises a front pulley block and a rear pulley block, the front pulley block and the rear pulley block are connected through a transmission rod, the outer portion of the end, close to the front pulley block, of the transmission rod is sleeved with an elastic piece, and the end, close to the rear pulley block, of the transmission rod is sleeved with the elastic piece. One end of the elastic piece is matched with the front pulley block, and the other end of the elastic piece is provided with a connecting base which is arranged on the transmission rod in a sliding mode. The utility model relates to the technical field of transmission locks.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission locks, in particular to a buffer pulley assembly for a lifting sliding door. Background Art

[0002] The lifting sliding door is relatively heavy and usually uses a related lifting sliding door actuator to assist in opening and closing. The patent named Push-pull Door Lock and Lifting Sliding Door with the application number CN202210366083.0; the patent named A Lifting Sliding Door and Window with the application number CN202310637549.0 both disclose the basic structural composition of the lifting sliding door actuator. Its basic composition includes a front pulley group, a rear pulley group and a transmission rod connecting the two. The three are relatively fixed. When an operator locks the door and window, it is necessary to turn the door handle to make the lifting sliding door actuator lift and lower the relatively heavy door and window, which is quite laborious. Therefore, such a structure needs to be improved in terms of labor saving. Content of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. The utility model provides a buffer pulley assembly for a lifting sliding door, which has a simple structure, a newly added buffer energy storage function, and solves the problem of labor saving.

[0004] A buffer pulley assembly for a lifting sliding door according to an embodiment of the first aspect of the utility model includes a front pulley group and a rear pulley group. The front pulley group and the rear pulley group are connected by a transmission rod. An elastic member is sleeved outside one end of the transmission rod close to the front pulley group. One end of the elastic member is matched with the front pulley group, and a connecting seat is arranged at the other end of the elastic member. The connecting seat is slidably arranged on the transmission rod.

[0005] A buffer pulley assembly for a lifting sliding door according to an embodiment of the present utility model has at least the following technical effects: The front pulley group, the rear pulley group and the connecting seat are all installed in the bottom frame of the door and window, wherein the connecting seat is fixedly installed in the bottom frame. The front pulley group and the rear pulley group are connected by a transmission rod. When the door and window needs to be opened or closed, the pulley group needs to be lifted or lowered to lift or sink the door and window sash. The front pulley group, the rear pulley group and the transmission rod move in the same direction together. Among them, in the present utility model, an elastic member is added to the transmission rod. The elastic member is sleeved on the transmission rod. One end of the elastic member abuts against the front pulley group, and the connecting seat connected to the other end of the elastic member can also slide relative to the transmission rod. Therefore, when operating the door and window handle to sink the door and window, the front pulley group, the rear pulley group and the transmission rod move in one direction, such as to the right. The front pulley group squeezes the elastic member, causing the elastic member to be compressed between the front pulley group and the connecting seat to store energy and at the same time providing a buffering force during the moving process. Later, if the door and window needs to be lifted, at this time, operate the door and window by reversing the door and window handle. The front pulley group, the rear pulley group and the transmission rod will move back. At the same time, the elastic member rebounds to release the stored energy, which can make the door and window easier to be lifted and also make it more labor-saving for the operator to operate the door and window handle.

[0006] According to some embodiments of the present utility model, the front pulley group includes a front pulley and a front pulley mounting bracket. A first connecting block is provided on one side of the front pulley mounting bracket close to the rear pulley group, and the first connecting block is connected to the transmission rod.

[0007] According to some embodiments of the present utility model, the front pulley group includes a traction joint provided on the other side of the front pulley mounting bracket, and one end of the traction joint is connected to the front pulley mounting bracket.

[0008] In the above solution, the force from the handle is transmitted to the front wheel pulley group through the traction joint, and then the lifting of the door and window is controlled by controlling the handle to achieve the opening and locking states of the door and window.

[0009] According to some embodiments of the present utility model, the rear pulley group includes a rear pulley and a rear pulley mounting bracket. A second connecting block is provided on one side of the rear pulley mounting bracket close to the front pulley group, and the second connecting block is connected to the transmission rod.

[0010] According to some embodiments of the present utility model, a third connecting block is provided on the other side of the rear pulley mounting bracket away from the front pulley group. When it is applicable to longer door and window sashes that require more than three groups of pulley groups, connection can be made through the third connecting block.

[0011] According to some embodiments of the present utility model, a first cavity for accommodating a transmission rod, a second cavity for accommodating a screw, and a threaded hole adapted to the screw are provided inside the first connecting block. A connecting column is provided on the other side of the cavity of the first connecting block. One end of the transmission rod is inserted into the first cavity, and the screw passes through the threaded hole and enters the second cavity to press against the transmission rod, thereby fixing the transmission rod in the first connecting block.

[0012] According to some embodiments of the present utility model, the elastic member is a spring.

[0013] According to some embodiments of the present utility model, a through groove adapted to the transmission rod is provided in the middle of the connecting seat, and the through groove penetrates the connecting seat downward.

[0014] In the above solution, the connecting seat realizes sliding with the transmission rod by using the through groove, and the connecting seat can also be installed by being stuck on the upper part of the transmission rod from top to bottom by means of the through groove.

[0015] According to some embodiments of the present utility model, a positioning convex block is provided on the upper part of the connecting seat.

[0016] In the above solution, the positioning convex block on the connecting seat is convenient for positioning the installation with the bottom frame at the bottom of the door and window.

[0017] According to some embodiments of the present utility model, a screw mounting hole is provided on the upper part of the connecting seat.

[0018] In the above solution, the screw mounting hole is used to fasten the connecting seat to the bottom frame by installing screws.

[0019] According to some embodiments of the present utility model, the traction joint includes a connecting rod, a triangular movable member, and a push-pull rod. First connection holes, second connection holes, and third connection holes are provided at three end positions of the triangular movable member. One end of the connecting rod is hinged to the triangular movable member through the second connection hole, the push-pull rod is hinged to the triangular movable member through the third connection hole, the triangular movable member is hinged to the front pulley assembly bracket, and one end of the push-pull rod away from the triangular movable member is hinged to the front pulley mounting bracket.

[0020] In the above solution, when the door handle is rotated, it will drive the actuator connected to the lock box transmission bar to move. The connecting rod is connected to the actuator, and then drives the connecting rod to move. The connecting rod drives the triangular movable member to make a circular motion around the first connection hole, and then drives the push-pull rod to move, thereby realizing the transmission of the motion from the door handle to the pulley set placed at the bottom of the door and window sash. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the present utility model in an embodiment;

[0022] Figure 2 It is a schematic structural diagram of a connecting seat in an embodiment;

[0023] Figure 3 It is a schematic structural diagram of a first connecting block in an embodiment;

[0024] Figure 4 It is a schematic structural diagram of a traction joint in an embodiment;

[0025] Reference numerals: 1. Front pulley set; 2. Rear pulley set; 3. Transmission rod; 4. Elastic member; 5. Connecting seat; 6. Front pulley; 7. Front pulley mounting bracket; 8. First connecting block; 801. First cavity; 802. Second cavity; 803. Screw; 804. Threaded hole; 805. Connecting column; 9. Traction joint; 901. Connecting rod; 902. Second connecting hole; 903. Triangular movable member; 904. Third connecting hole; 905. Push-pull rod; 906. First connecting hole; 10. Rear pulley; 11. Rear pulley mounting bracket; 12. Second connecting block; 13. Through slot; 14. Positioning convex block; 15. Screw mounting hole. Detailed implementation manners

[0026] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation to the present invention.

[0027] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, rear, left, right, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0028] In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including the present number, and above, below, within, etc. are understood as including the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0029] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present invention in combination with the specific content of the technical solution.

[0030] As shown Figures 1 to 2 in the figure, the lifting and sliding door buffer pulley assembly according to the first aspect embodiment of the present utility model includes a front pulley group 1 and a rear pulley group 2, the front pulley group 1 and the rear pulley group 2 are connected by a transmission rod 3, and it is characterized in that an elastic member 4 is sleeved outside one end of the transmission rod 3 close to the front pulley group 1, one end of the elastic member 4 is matched with the front pulley group 1, and a connecting seat 5 is arranged at the other end of the elastic member 4, and the connecting seat 5 is slidably arranged on the transmission rod 3.

[0031] Specifically, the front pulley group 1, the rear pulley group 2 and the connecting seat 5 are all installed in the bottom frame of the door and window. Among them, the connecting seat 5 is fixedly installed in the bottom frame. The front pulley group 1 and the rear pulley group 2 are connected by the transmission rod 3. When the door and window needs to be opened or closed, the pulley group needs to be lifted and lowered to lift or sink the door and window sash. The front pulley group 1, the rear pulley group 2 and the transmission rod 3 move in the same direction together. Among them, in the present utility model, an elastic member 4 is added to the transmission rod 3. The elastic member 4 is sleeved on the transmission rod 3. One end of the elastic member 4 abuts against the front pulley group 1, and the connecting seat 5 connected to the other end of the elastic member 4 can also slide relative to the transmission rod 3. Therefore, when operating the door and window handle to sink the door and window, the front pulley group 1, the rear pulley group 2 and the transmission rod 3 move in one direction, such as to the right. The front pulley group 1 squeezes the elastic member 4 so that the elastic member 4 is compressed between the front pulley group 1 and the connecting seat 5 to store energy and at the same time provides a buffering force during the moving process. If the door and window needs to be lifted later, at this time, the door and window is operated by reversing the door and window handle. The front pulley group 1, the rear pulley group 2 and the transmission rod 3 will move back. At the same time, the elastic member 4 rebounds to release the stored energy, which can make the door and window easier to be lifted and also make it more labor-saving for the operator to operate the door and window handle.

[0032] In some specific embodiments of the present utility model, the front pulley group 1 includes a front pulley 6 and a front pulley mounting bracket 7, and a first connecting block 8 is arranged on one side of the front pulley mounting bracket 7 close to the rear pulley group 2, and the first connecting block 8 is connected to the transmission rod 3.

[0033] In some specific embodiments of the present utility model, the front pulley group 1 includes a traction joint 9 arranged on the other side of the front pulley mounting bracket 7, and one end of the traction joint 9 is connected to the front pulley mounting bracket 7.

[0034] Specifically, the force from the handle is transmitted to the front wheel pulley group 1 through the traction joint 9, and then the lifting and lowering of the door and window are controlled by controlling the handle to achieve the opening and locking states of the door and window.

[0035] In some specific embodiments of the present utility model, the rear pulley set 2 includes a rear pulley 10 and a rear pulley mounting bracket 11. On one side of the rear pulley mounting bracket 11 close to the front pulley set 1, a second connecting block 12 is provided, and the second connecting block 12 is connected to the transmission rod 3.

[0036] In some specific embodiments of the present utility model, a third connecting block is provided on the other side of the rear pulley mounting bracket 11 away from the front pulley set 1. Specifically, when it is applicable to longer door and window sashes that require more than three pulley sets, the third connecting block can be used to connect with the newly added pulley sets.

[0037] As Figure 3 shown, in some specific embodiments of the present utility model, a first cavity 801 for accommodating the transmission rod 3, a second cavity 802 for accommodating the screw 803, and a threaded hole 804 adapted to the screw 803 are provided inside the first connecting block 8. A connecting column 805 is provided on the other side of the first connecting block 8 in the cavity.

[0038] Specifically, one end of the transmission rod 3 is inserted into the first cavity 801, and the screw 803 passes through the threaded hole 804 and enters the second cavity 802 to press against the transmission rod 3, thereby fixing the transmission rod 3 in the first connecting block 8.

[0039] In some specific embodiments of the present utility model, the elastic member 4 is a spring.

[0040] In some specific embodiments of the present utility model, a through groove 13 adapted to the transmission rod 3 is provided in the middle of the connecting seat 5, and the through groove 13 penetrates the connecting seat 5 downward.

[0041] Specifically, the connecting seat 5 uses the through groove 13 to slide with the transmission rod 3, and the connecting seat 5 can also be installed by being stuck on the upper part of the transmission rod 3 from top to bottom by means of the through groove 13.

[0042] In some specific embodiments of the present utility model, a positioning convex block 14 is provided on the upper part of the connecting seat 5.

[0043] Specifically, the positioning convex block 14 on the connecting seat 5 is convenient for positioning the installation with the bottom frame at the bottom of the door and window.

[0044] In some specific embodiments of the present utility model, a screw mounting hole 15 is provided on the upper part of the connecting seat 5.

[0045] Specifically, the screw mounting hole 15 is used to fasten the connecting seat 5 to the bottom frame by installing screws.

[0046] As Figure 4As shown, in some specific embodiments of the present utility model, the traction joint 9 includes a connecting rod 901, a triangular movable member 903, and a push-pull rod 905. First connection holes 906, second connection holes 902, and third connection holes 904 are provided at three end positions of the triangular movable member 903. One end of the connecting rod 901 is hinged to the triangular movable member 903 through the second connection holes 902, the push-pull rod 905 is hinged to the triangular movable member 903 through the third connection holes 904, the triangular movable member 903 is hinged to the front pulley assembly bracket, and one end of the push-pull rod 905 away from the triangular movable member 903 is hinged to the front pulley mounting bracket 7.

[0047] Specifically, when the door handle is rotated, it will drive the movement of the actuator connected to the lock box transmission bar. The connecting rod 901 is connected to the actuator, thereby driving the movement of the connecting rod 901. The connecting rod 901 drives the triangular movable member 903 to perform a circular motion around the first connection hole 906, thereby driving the movement of the push-pull rod 905, so as to realize the transmission of the movement from the door handle to the pulley set placed at the bottom of the door and window sash.

Claims

1. A lifting and sliding door buffer pulley assembly, comprising a front pulley block (1) and a rear pulley block (2), wherein the front pulley block (1) and the rear pulley block (2) are connected via a transmission rod (3), characterized in that: The transmission rod (3) is provided with an elastic member (4) on the outside of one end close to the front pulley block (1); one end of the elastic member (4) is matched with the front pulley block (1); the other end of the elastic member (4) is provided with a connecting seat (5); and the connecting seat (5) is slidably provided on the transmission rod (3).

2. The lifting and sliding door buffer pulley assembly according to claim 1, characterized in that: The front pulley block (1) comprises a front pulley (6) and a front pulley mounting frame (7); a first connecting block (8) is provided on a side of the front pulley mounting frame (7) close to the rear pulley block (2); and the first connecting block (8) is connected to the transmission rod (3).

3. The lifting and sliding door buffer pulley assembly according to claim 2, characterized in that: The front pulley block (1) comprises a traction joint (9) arranged on the other side of the front pulley mounting frame (7), and one end of the traction joint (9) is connected to the front pulley mounting frame (7).

4. The lifting and sliding door buffer pulley assembly according to claim 1, characterized in that: The rear pulley block (2) comprises a rear pulley (10) and a rear pulley mounting frame (11); a second connecting block (12) is provided on a side of the rear pulley mounting frame (11) close to the front pulley block (1); and the second connecting block (12) is connected to the transmission rod (3).

5. The lifting and sliding door buffer pulley assembly according to claim 4, characterized in that: A third connecting block (16) is provided on the other side of the rear pulley mounting frame (11) away from the front pulley block (1).

6. The lifting and sliding door buffer pulley assembly according to claim 2, characterized in that: The first connecting block (8) is provided with a first cavity (801) for accommodating the transmission rod (3), a second cavity (802) for accommodating the screw (803), and a threaded hole (804) adapted to the screw (803), and the first connecting block (8) is provided with a connecting column (805) on the other side of the cavity.

7. The lifting and sliding door buffer pulley assembly according to claim 1, characterized in that: The elastic member (4) is a spring.

8. The lifting and sliding door buffer pulley assembly according to claim 1, characterized in that: A through groove (13) adapted to the transmission rod (3) is provided in the middle of the connection seat (5), and the through groove (13) passes through the connection seat (5) downward.

9. The lifting and sliding door buffer pulley assembly according to any one of claims 1 to 8, characterized in that: The upper part of the connecting seat (5) is provided with a positioning protrusion (14) and / or a screw installation hole (15).

10. The lifting and sliding door buffer pulley assembly according to claim 3, characterized in that: The traction joint (9) comprises a connecting rod (901), a triangular movable part (903) and a push-pull rod (905); the three end positions of the triangular movable part (903) are provided with a first connecting hole (906), a second connecting hole (902) and a third connecting hole (904); one end of the connecting rod (901) is hinged to the triangular movable part (903) through the second connecting hole (902); the push-pull rod (905) is hinged to the triangular movable part (903) through the third connecting hole (904); the triangular movable part (903) is hinged to the front pulley assembly bracket; and one end of the push-pull rod (905) away from the triangular movable part (903) is hinged to the front pulley mounting frame (7).

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