Window and door handle

Abstract

The utility model discloses a window and door handle which comprises a handle body and an installation base, the handle body and the installation base are assembled and connected through a rotating shaft, a sleeve is arranged on the installation base in a protruding mode, a rotating connection hole is formed in an inner hole of the sleeve, a sleeve cavity matched with the sleeve is formed in the back face of the handle body, and the sleeve is sleeved with the sleeve cavity. The top of the rotating shaft penetrates into the sleeve from the back of the mounting base and penetrates through the sleeve to be inserted and fixed into the sleeve cavity. A conical ring table is arranged at the bottom of the rotating shaft and abuts against the bottom of the sleeve, an embedding groove allowing the conical ring table to be embedded in is formed in the bottom of the sleeve, the top wall of the embedding groove abuts against the inclined top face of the conical ring table in a matched mode, the inclined top face of the conical ring table can form a large bearing face, and due to the conical structure of the conical ring table, the bearing capacity of the bearing face is greatly improved. The top wall of the embedding groove is also an inclined wall surface matched with the inclined top surface of the conical ring table, so that pressure brought by the axial direction and the radial direction can be better borne, and larger bearing force is provided for the matching between the rotating shaft and the mounting base through the abutting matching of the conical ring table and the embedding groove; therefore, the handle fixedly connected with the rotating shaft meets the bearing standard of the industry.

Description

TECHNICAL FIELD

[0001] The utility model relates to a window door field, concretely is a window door handle. BACKGROUND

[0002] Generally, a handle is arranged on a window door to realize the operation of unlocking and opening the window or door. The existing handle is installed on the window door through a base, and the handle can rotate relative to the base to realize the locking or unlocking of the window door.

[0003] The applicant has invented a thin-base door and window handle to solve the problems of complex structure and protrusion height affecting the arrangement of doors and windows. The handle is assembled with the mounting base through the connection and installation of the handle and the rotating shaft. According to the current load-bearing standard of door and window handles, the door and window handle needs to pass the 70-kg load-bearing test. Therefore, the inventor needs to make further improvements to the invention. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a window door handle.

[0005] The utility model solves the technical problems by adopting the following technical scheme:

[0006] A window door handle, comprising a handle and a mounting base, the handle and the mounting base are assembled and connected through a rotating shaft, the mounting base is protruded with a sleeve, the sleeve inner hole forms the rotating connection hole, the handle back surface is provided with a sleeve cavity matched with the sleeve, the sleeve cavity is sleeved with the sleeve, the rotating shaft top part penetrates the sleeve from the mounting base back part and is inserted into the sleeve cavity and fixed; the rotating shaft bottom part is provided with a conical ring table abutting against the sleeve bottom part, the sleeve bottom part is provided with an embedded groove for embedding the conical ring table, and the embedded groove top wall is matched and abuts against the inclined top surface of the conical ring table.

[0007] The height of the conical ring table is between 4 to 8 mm.

[0008] The embedded groove top wall and the inclined top surface of the conical ring table are clamped with a first gasket.

[0009] The rotating shaft top part is provided with a through hole for penetrating a screw, the sleeve cavity top wall is provided with a fastening hole connected with the screw, the screw is connected and fixed through the through hole and the fastening hole to fix the rotating shaft top part in the sleeve cavity.

[0010] The sleeve cavity top wall is provided with a limiting groove for inserting the rotating shaft top part, the limiting groove peripheral wall is matched with the rotating shaft side wall to limit the circumferential rotation of the rotating shaft relative to the handle, and the fastening hole is located in the limiting groove.

[0011] The sleeve top part abuts against the top wall of the sleeve cavity, and a second gasket is clamped between the sleeve top part and the top wall of the sleeve cavity.

[0012] The top surface of the mounting base is further provided with a decorative cover, and the sleeve cavity is sleeved with an elastic washer, and the bottom surface of the elastic washer abuts against the top surface of the decorative cover.

[0013] The rotating shaft is provided with a transmission shaft.

[0014] The transmission shaft is transversely provided with a ball mechanism, the ball mechanism is provided with an elastic and retractable ball at the end, the ball passes through a through groove in the side wall of the rotating shaft and is exposed between the rotating shaft and the inner wall of the sleeve, the inner wall of the sleeve is provided with a groove for clamping the ball, and the groove has two or more than two and is arranged in the circumferential direction of the inner wall of the sleeve.

[0015] The utility model discloses the beneficial effect is: the utility model discloses the sleeve is passed through the sleeve and is inserted in the sleeve cavity of handle fixed in the handle from the back of mounting base through the rotating shaft top, realizes the assembly connection of handle and mounting base, and the bottom of rotating shaft is provided with the taper ring platform abutment in the bottom of sleeve, and the sleeve bottom is provided with the embedding groove for the taper ring platform embedding, and the top wall of embedding groove cooperates with the inclined top surface of taper ring platform and abuts to each other, the inclined top surface of taper ring platform can form larger bearing surface, and the taper ring platform has stronger bearing strength because of the taper structure of itself, and the top wall of embedding groove is also the inclined wall surface that cooperates with the inclined top surface of taper ring platform, and it is more favorable to bear the pressure caused by axial and radial, therefore, the taper ring platform and embedding groove abut to each other and provide greater bearing force for the cooperation between rotating shaft and mounting base, and then make handle fixed with rotating shaft satisfy the bearing standard of industry. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in connection with the drawings and examples.

[0017] Fig. 1 It is the structure schematic diagram of the utility model;

[0018] Fig. 2 It is the split schematic diagram of the utility model;

[0019] Fig. 3 It is the sectional view of the utility model. DETAILED DESCRIPTION

[0020] Referring to Figs. 1 to 3The utility model provides a kind of window door handle, including handle 2 and mounting base 1, handle 2 and mounting base 1 are connected by rotating shaft 5, mounting base 1 is projected with sleeve 3, rotating connection hole is formed in sleeve 3 inner hole, handle 2 back is equipped with with sleeve cavity 4 cooperation with sleeve 3, sleeve cavity 4 is inserted in sleeve 3, rotating shaft 5 top is inserted into fixed in sleeve cavity 4 from mounting base 1 back and passes through sleeve 3;Rotating shaft 5 bottom is equipped with taper ring table 52 abutment in sleeve 3 bottom, sleeve 3 bottom is embedded for taper ring table 52 and is embedded groove 32, embedded groove 32 top wall and the inclined top surface of taper ring table 52 cooperation abutment, the inclined top surface of taper ring table 52 can form larger bearing surface, and taper ring table is due to its taper structure, volume is big and has stronger bearing strength, embedded groove 32 top wall is also the inclined wall surface cooperation with the inclined top surface of taper ring table 52, more conducive to bearing axial and radial pressure, so the abutment cooperation of taper ring table 52 and embedded groove 32 provides greater bearing force for the cooperation of rotating shaft 5 and mounting base 1, to make handle 2 connected with rotating shaft 5 fixed meet the bearing standard of industry.Furthermore, because the bearing performance of handle 2 is strengthened, when user holds handle 2 and pulls window, even if arbitrary force is pushed and pulled sash, handle can be stably driven and will not be damaged, to greatly improve the use endurance of handle.

[0021] As the preferred embodiment of the utility model, the height of the taper ring table 52 is between 4 to 8 mm, the angle of the inclined top surface changes with the height of the taper ring table 52, the angle of the inclined top surface ranges from 20° to 70°, the interference amount between the top inclined surface of the taper ring table 52 and the top wall of the embedded groove 32 is maintained, thereby ensuring the radial bearing force. Since the rotating shaft 5 is a movable part, the first gasket 61 is arranged between the top wall of the embedded groove 32 and the inclined top surface of the taper ring table 52, and the friction loss generated when the taper ring table 52 rotates relative to the top wall of the embedded groove 32 is reduced by the first gasket 61.

[0022] The rotating shaft 5 is fixedly installed with the handle 2 by a simple screw connection mode, the top of the rotating shaft 5 is provided with a through hole 51 for the screw to pass through, the top wall of the sleeve cavity 4 is provided with a fastening hole 41 connected with the screw, the screw is connected and fixed by passing through the through hole 51 and the fastening hole 41 to fix the top of the rotating shaft in the sleeve cavity 4, and the top wall of the sleeve cavity 4 is further provided with a limiting groove 42 for the top of the rotating shaft 5 to insert, the fastening hole 41 is located in the limiting groove 42, the peripheral wall of the limiting groove 42 cooperates with the side wall of the rotating shaft 5 to limit the circumferential rotation of the rotating shaft 5 relative to the handle 2, which on the one hand strengthens the connection strength between the handle 2 and the rotating shaft 5, and on the other hand is conducive to the tightness of the handle 2 driving the rotating shaft 5. Further, the top of the sleeve 3 abuts against the top wall of the sleeve cavity 4, in order to strengthen the connection strength between the handle 2 and the mounting base 1, and the second gasket 62 is arranged between the top of the sleeve 3 and the top wall of the sleeve cavity 4, which also reduces the abrasion between the sleeve 3 and the sleeve cavity 4 caused by relative rotation by the second gasket 62.

[0023] As a preferred solution, the top surface of the mounting base 1 is further provided with a decorative cover 10, and the sleeve cavity 4 is sleeved with an elastic washer 72, and the bottom surface of the elastic washer 72 abuts against the top surface of the decorative cover 10 to press the decorative cover 10 on the top surface of the mounting base 1 by elastic force.

[0024] The handle 2 is in transmission connection with the inner lock body of the window door through the transmission shaft 8, one end of the transmission shaft 8 is inserted into the rotating shaft 5, and the other end is connected with the lock body in the window door, and the lock body in the window door can be driven to work by rotating the handle 2 to realize the locking or unlocking of the window door. The transmission shaft 8 is horizontally provided with a ball mechanism 9, the end of the ball mechanism 9 is provided with an elastic and retractable ball 91, the ball 91 is arranged between the rotating shaft 5 and the inner wall of the sleeve 3 through the through groove 53 in the side wall of the rotating shaft 5, the inner wall of the sleeve 3 is provided with a groove 31 for clamping the ball 91, the groove 31 has two or more than two and is arranged along the circumference of the inner wall of the sleeve 3, the limiting points formed by the grooves 31 limit the rotation angle of the handle 2, the ball 91 and the groove 31 can form a stop position to indicate the locking state of the window door lock body, so that the user can clearly know that the handle 2 is rotated to the position and the unlocking or locking is realized, and a certain torque is brought to the handle 2 in the unlocking or locking state, so that the handle is not easily rotated due to gravity or slight touch and the current state is not lost, and the next use operation of the user is more convenient.

Claims

1. A door handle comprising a handle (2) and a mounting base (1), characterized in that: The handle (2) and the mounting base (1) are assembled and connected through a rotating shaft (5), the mounting base (1) is provided with a sleeve (3), the inner hole of the sleeve (3) forms a rotating connection hole, the back of the handle (2) is provided with a sleeve cavity (4) matched with the sleeve (3), the sleeve cavity (4) is sleeved into the sleeve (3), the rotating shaft (5) penetrates from the back of the mounting base (1) into the sleeve (3) and is inserted into the sleeve cavity (4) and fixed; the bottom of the rotating shaft (5) is provided with a tapered ring table (52) abutting against the bottom of the sleeve (3), the bottom of the sleeve (3) is provided with an embedded groove (32) for embedding the tapered ring table (52), and the top wall of the embedded groove (32) is matched and abutted against the inclined top surface of the tapered ring table (52).

2. The window handle according to claim 1, characterized in that: The height of the tapered ring table (52) is between 4 to 8 mm.

3. A window handle according to claim 1 or 2, characterised in that: The first gasket (61) is clamped between the top wall of the embedded groove (32) and the inclined top surface of the tapered ring table (52).

4. A window handle according to claim 1 or 2, characterised in that: The top of the rotating shaft (5) is provided with a through hole (51) for penetrating a screw, the top wall of the sleeve cavity (4) is provided with a fastening hole (41) connected with the screw, the screw is connected and fixed through the through hole (51) and the fastening hole (41) to fix the top of the rotating shaft in the sleeve cavity (4).

5. The window handle according to claim 4, characterized in that: The top wall of the sleeve cavity (4) is provided with a limiting groove (42) for inserting the top of the rotating shaft (5), the peripheral wall of the limiting groove (42) is matched with the side wall of the rotating shaft (5) to limit the circumferential rotation of the rotating shaft (5) relative to the handle (2), and the fastening hole (41) is located in the limiting groove (42).

6. The window handle of claim 1, wherein: The top of the sleeve (3) abuts against the top wall of the sleeve cavity (4), and the second gasket (62) is clamped between the top of the sleeve (3) and the top wall of the sleeve cavity (4).

7. The window handle of claim 1, wherein: The top surface of the mounting base (1) is further provided with a decorative cover (10), the sleeve cavity (4) is sleeved with an elastic gasket (72), and the bottom surface of the elastic gasket (72) abuts against the top surface of the decorative cover (10).

8. The window handle of claim 1, wherein: The transmission shaft (8) is arranged in the rotating shaft (5).

9. The window handle according to claim 8, characterized in that: The transmission shaft (8) is transversely provided with a pearl mechanism (9), the pearl mechanism (9) is provided with an elastic and retractable ball (91) at the end, the ball (91) penetrates out between the inner wall of the sleeve (3) and the rotating shaft (5) through the through groove (53) of the side wall of the rotating shaft (5), the inner wall of the sleeve (3) is provided with a groove (31) for clamping the ball (91), and the groove (31) has two or more than two and is arranged circumferentially along the inner wall of the sleeve (3).

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