Spin lock type quick-release sliding door sliding wheel

Abstract

The utility model discloses a spin lock type quick-release sliding door sliding wheel, relates to the technical field of sliding door sliding wheels, and aims to solve the problems that sliding wheels of an existing sliding door sliding wheel assembly are fixed to a mounting surface through screws, the sliding wheels are quick-wear parts, the surfaces of the sliding wheels are easy to wear along with the increase of service time, non-positive force is generated, a sliding door is unsmooth to pull, and the service life of the sliding door is influenced. And a screw type connection mode is adopted, so that the sliding wheel is inconvenient to disassemble and assemble. The positioning groove is formed in the upper end of the sliding wheel mounting seat, a positioning seat is mounted in the positioning groove, a boss is arranged in the middle of the upper end of the positioning seat, a narrow-channel limiting hole is formed in the upper end of the boss, a positioning head through hole is formed in one side of the narrow-channel limiting hole, and a positioning head is arranged in the positioning head through hole. The positioning head through hole is communicated with the narrow channel limiting hole, a kidney-shaped groove is formed below the positioning head through hole and the narrow channel limiting hole, and a clamping piece is arranged above the boss.

Description

Technical Field

[0001] The utility model relates to the technical field of sliding door sliding wheels, in particular to a rotary lock type quick-release sliding door sliding wheel. Background Art

[0002] The sliding door pulley system includes hardware accessories such as pulley sets. These accessories need to be pre-installed on the guide rails and then installed on the door frame together with the guide rails.

[0003] The current sliding door sliding wheel assembly, such as the announcement number CN211714863U, is a hidden sliding door pulley system, each pulley unit of which includes a first pulley group, a second pulley group, a mounting seat and a hanging box, a screw is provided at the upper end of the hanging box, the top of the screw is threadedly connected to the central rotating shaft, the mounting seat is installed on the central rotating shaft, the first pulley group includes two first pulleys, the two first pulleys are installed on the mounting seat through the first rotating shaft, the second pulley group includes two second pulleys, the two second pulleys are installed on the mounting seat through the second rotating shaft, a swing shaft is sleeved on the outer side of the first rotating shaft, a radial triangular groove and a radial tapered hole are opened on the outer side wall of the swing shaft, a swing pin is horizontally arranged at the radial triangular groove, the lower part of the swing pin is embedded in the radial triangular groove, an elastic top shaft is inserted in the radial tapered hole, and the first tightening screw tightens the elastic top shaft.

[0004] The sliding wheel of the sliding door sliding wheel assembly is fixed to the mounting surface with screws, and the sliding wheel is a wearing part. As the use time increases, the surface is prone to wear, generating non-positive force, making the sliding door not smoothly pulled out, and the use of screw-type connection makes it inconvenient to disassemble and assemble the sliding wheel; therefore, we propose a rotating quick-release sliding door sliding wheel to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a twist-lock type quick-release sliding door sliding wheel to solve the problem proposed in the above background technology that the sliding wheel and the mounting surface of the existing sliding door sliding wheel assembly are fixed by screws, and the sliding wheel is a wearing part. As the use time increases, the surface is prone to wear and tear, generating non-positive force, making the sliding door not smoothly pulled and pulled, and the use of a screw-type connection makes it inconvenient to disassemble and assemble the sliding wheel.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary lock type quick-release sliding door sliding wheel, comprising a sliding wheel mounting seat and a sliding wheel support seat;

[0007] Also includes:

[0008] A positioning groove is arranged inside the upper end of the sliding wheel mounting seat, a positioning seat is installed inside the positioning groove, a boss is arranged at the middle position of the upper end of the positioning seat, a narrow path limiting hole is arranged at the upper end of the boss, a positioning head through hole is arranged on one side of the narrow path limiting hole, and the positioning head through hole is communicated with the narrow path limiting hole, a waist-shaped groove is arranged below the positioning head through hole and the narrow path limiting hole, a clamping piece is arranged above the boss, and the lower part of one end of the clamping piece is rotatably connected with the boss through a spring rotating shaft, and a limiting ball is arranged below the other end of the clamping piece;

[0009] A connecting rod is installed at the lower end of the sliding wheel support, a positioning head is installed at the lower end of the connecting rod, limiting grooves are arranged on both sides of the outer wall of the positioning head, and the sliding wheel support is connected with the positioning head through hole and the narrow channel limiting hole on the positioning seat through the positioning head.

[0010] Preferably, mounting holes are provided at both ends of the positioning seat, and the positioning seat is connected to the sliding wheel mounting seat through the mounting holes and fasteners.

[0011] Preferably, deflection ears are installed on both sides of the upper end of the locking piece.

[0012] Preferably, three screw head protection grooves are provided inside both ends of the sliding wheel mounting seat, and screw holes are provided inside the screw head protection grooves.

[0013] Preferably, the sliding wheel support is threadedly connected to the connecting rod via screws, sliding wheels are installed on both sides of the sliding wheel support, four sliding wheels are provided, and the four sliding wheels are rotatably connected to the sliding wheel support via a rotating shaft.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model realizes the quick disassembly of the sliding wheel by adopting a unique twist-lock type clamping structure. During installation, first confirm that the clamping piece is deflected to a position away from one side of the positioning head through hole, then the positioning head at the lower end of the connecting rod of the sliding wheel support is inserted along the positioning head through hole on the positioning seat, and slides toward the narrow channel limiting hole, so that the limiting grooves on both sides of the positioning head are clamped into the two sides of the narrow channel limiting hole, and the clamping piece is deflected by the spring shaft so that the limiting ball at the end of the clamping piece is clamped into the positioning head through hole under the elastic action of the spring, and the positioning head is pressed and limited, thereby ensuring the connection stability. When disassembly is required, the deflection ear is used Pull up the locking piece, so that the locking piece pulls up the spring shaft and makes the limiting ball escape from the positioning head through hole, then deflect the locking piece to one side, and slide the positioning head of the sliding wheel support along the narrow channel limiting hole to the positioning head through hole, so that the two are separated to complete the disassembly. The whole process does not require the aid of tools, which is convenient and quick, and solves the problem that the sliding wheel and the mounting surface of the existing sliding door sliding wheel assembly are fixed with screws, and the sliding wheel is a wearing part. As the use time increases, the surface is prone to wear and non-positive force is generated, which makes the sliding door not smoothly pulled out, and the use of screw-type connection makes it inconvenient to disassemble and assemble the sliding wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the connection structure between the sliding wheel support and the bottom surface of the positioning seat of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the sliding wheel support and the positioning seat in the disassembled state of the utility model;

[0019] In the figure: 1. Sliding wheel mounting seat; 2. Screw head protection groove; 3. Positioning groove; 4. Positioning seat; 5. Mounting hole; 6. Boss; 7. Positioning piece; 8. Deflection ear; 9. Sliding wheel support; 10. Connecting rod; 11. Screw; 12. Sliding wheel; 13. Positioning head; 14. Waist-shaped groove; 15. Spring shaft; 16. Limiting ball; 17. Narrow channel limiting hole; 18. Positioning head through hole; 19. Limiting groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely 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, rather than all of the embodiments.

[0021] See also Figure 1-3 , the utility model provides an embodiment: a rotary lock type quick-release sliding door sliding wheel, comprising a sliding wheel mounting seat 1 and a sliding wheel support seat 9;

[0022] Also includes:

[0023] A positioning groove 3 is arranged inside the upper end of the sliding wheel mounting seat 1, a positioning seat 4 is installed inside the positioning groove 3, a boss 6 is arranged at the middle position of the upper end of the positioning seat 4, a narrow path limiting hole 17 is arranged at the upper end of the boss 6, a positioning head through hole 18 is arranged on one side of the narrow path limiting hole 17, and the positioning head through hole 18 is connected with the narrow path limiting hole 17, a waist groove 14 is arranged below the positioning head through hole 18 and the narrow path limiting hole 17, a clamping piece 7 is arranged above the boss 6, and the lower part of one end of the clamping piece 7 is rotatably connected with the boss 6 through a spring shaft 15, and a limiting ball 16 is arranged below the other end of the clamping piece 7;

[0024] The connecting rod 10 is installed at the lower end of the sliding wheel support 9. A positioning head 13 is installed at the lower end of the connecting rod 10. Limiting grooves 19 are arranged on both sides of the outer wall of the positioning head 13. The sliding wheel support 9 is connected with the positioning head through hole 18 and the narrow channel limiting hole 17 on the positioning seat 4 through the positioning head 13.

[0025] See also Figure 1 Both ends of the positioning seat 4 are provided with mounting holes 5, and the positioning seat 4 is connected to the sliding wheel mounting seat 1 through the mounting holes 5 and fasteners. The positioning seat 4 is a detachable structure, which is convenient for inspection and maintenance.

[0026] See also Figure 1 Deflection ears 8 are installed on both sides of the upper end of the locking piece 7, and the deflection ears 8 can more conveniently lift and rotate the locking piece 7.

[0027] See also Figure 1 Three screw head protection grooves 2 are arranged inside both ends of the sliding wheel mounting seat 1, and screw holes are arranged inside the screw head protection grooves 2. The sliding wheel mounting seat 1 is pre-fixed to the mounting surface through the screw holes and screws. After installation, the screws are located in the screw head protection grooves 2, which has a good shielding effect to ensure the firmness of the installation.

[0028] See also Figure 1 The sliding wheel support 9 is threadedly connected to the connecting rod 10 through a screw 11. Sliding wheels 12 are installed on both sides of the sliding wheel support 9. Four sliding wheels 12 are provided, and the four sliding wheels 12 are rotatably connected to the sliding wheel support 9 through a rotating shaft. The sliding wheel support 9 realizes sliding guiding movement with the guide rail through the sliding wheels 12.

[0029] Working principle: When installing the sliding wheel support 9, first confirm that the positioning piece 7 is deflected to a position away from the positioning head through hole 18, then insert the positioning head 13 at the lower end of the connecting rod 10 of the sliding wheel support 9 along the positioning head through hole 18 on the positioning seat 4, and slide it toward the narrow channel limiting hole 17, so that the limiting grooves 19 on both sides of the positioning head 13 are inserted into the narrow channel limiting hole 17. Then, the positioning piece 7 is deflected by the spring shaft 15, so that the limiting ball 1 at the end of the positioning piece 7 6 is inserted into the positioning head through hole 18 under the elastic action of the spring, and the positioning head 13 is pressed and limited to ensure the connection stability. When disassembly is required, the deflection ear 8 is used to pull the positioning piece 7 upward, so that the positioning piece 7 pulls up the spring shaft 15 and makes the limiting ball 16 escape from the positioning head through hole 18, and then the positioning piece 7 is deflected to one side, and the positioning head 13 of the sliding wheel support 9 is slid along the narrow channel limiting hole 17 to the positioning head through hole 18, so that the two are separated to complete the disassembly.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A rotary lock type quick-release sliding door sliding wheel, comprising a sliding wheel mounting seat (1) and a sliding wheel support seat (9); Features: Also includes: A positioning groove (3) is arranged inside the upper end of the sliding wheel mounting seat (1), a positioning seat (4) is installed inside the positioning groove (3), a boss (6) is arranged at the middle position of the upper end of the positioning seat (4), a narrow path limiting hole (17) is arranged at the upper end of the boss (6), a positioning head through hole (18) is arranged on one side of the narrow path limiting hole (17), and the positioning head through hole (18) is connected with the narrow path limiting hole (17), a waist groove (14) is arranged below the positioning head through hole (18) and the narrow path limiting hole (17), a locking piece (7) is arranged above the boss (6), the lower part of one end of the locking piece (7) is rotatably connected with the boss (6) through a spring shaft (15), and a limiting ball (16) is arranged below the other end of the locking piece (7); A connecting rod (10) is mounted on the lower end of the sliding wheel support (9); a positioning head (13) is mounted on the lower end of the connecting rod (10); limiting grooves (19) are arranged on both sides of the outer wall of the positioning head (13); the sliding wheel support (9) is connected to the positioning head through hole (18) and the narrow channel limiting hole (17) on the positioning seat (4) through the positioning head (13).

2. The rotary lock type quick release sliding door sliding wheel according to claim 1, characterized in that: Both ends of the positioning seat (4) are provided with mounting holes (5), and the positioning seat (4) is connected to the sliding wheel mounting seat (1) via the mounting holes (5) and fasteners.

3. The rotary lock type quick release sliding door sliding wheel according to claim 1, characterized in that: Deflection ears (8) are installed on both sides of the upper end of the locking piece (7).

4. The rotary lock type quick release sliding door sliding wheel according to claim 1, characterized in that: Three screw head protection grooves (2) are arranged inside both ends of the sliding wheel mounting seat (1), and screw holes are arranged inside the screw head protection grooves (2).

5. The rotary lock type quick release sliding door sliding wheel according to claim 1, characterized in that: The sliding wheel support (9) is threadedly connected to the connecting rod (10) via a screw (11); sliding wheels (12) are installed on both sides of the sliding wheel support (9); four sliding wheels (12) are provided, and the four sliding wheels (12) are rotatably connected to the sliding wheel support (9) via a rotating shaft.

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