Transmission shaft connecting structure of window and door handle

Abstract

The transmission shaft connecting structure of the window and door handle comprises a handle rotationally installed on an installation base and a transmission shaft connected to an inner hole of the rotating end of the handle in a limiting and penetrating mode, the installation base is provided with a sleeve allowing the rotating end of the handle to penetrate, and the bottom of the sleeve is through so that the inner hole of the rotating end of the handle can be exposed. The transmission shaft is radially connected with a marble device in a penetrating manner, the marble device comprises a mounting pipe, a ball and a spring, the mounting pipe is radially arranged on the transmission shaft in a penetrating manner, two ends of the mounting pipe protrude out of the surface of the transmission shaft, and the ball and the spring are mounted in the mounting pipe; limiting grooves with downward openings are symmetrically formed in the side wall of an inner hole of the rotating end of the handle, when the transmission shaft penetrates into the inner hole, the two ends of the installation pipe are clamped into the limiting grooves from the openings in the lower ends of the limiting grooves and located and installed at the tops of the limiting grooves to achieve locating installation, and the marble device and the transmission shaft are installed together after being assembled. Positioning of the transmission shaft and the rotating end of the handle is effectively achieved, standard determination of the transmission shaft is facilitated, and the problem that in the prior art, installation is difficult, and cost is high due to non-uniform standards is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a window door field, specifically a transmission shaft connecting structure of window door handle. BACKGROUND

[0002] Generally, a handle is arranged on a window door to realize 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 locking or unlocking of the window door. Generally, the rotating end of the handle is connected with a transmission shaft inside the door or window to drive the lock body inside the window door to move. In order to ensure that the transmission shaft can keep in place, the transmission shaft and the rotating end of the handle are usually limited and installed during installation to avoid the transmission shaft moving axially and separating from the rotating end of the handle when the handle is rotated. At present, the transmission shaft is limited and installed with the rotating end of the handle through interference fit or direct length abutting installation. When the transmission shaft is limited and installed through interference fit, a protrusion is arranged on the end of the transmission shaft inserted into the rotating end of the handle, and the protrusion is used to realize interference fit with the inner wall of the hole of the rotating end of the handle to realize limited installation. However, the installation method makes it difficult to insert and install the transmission shaft. When the transmission shaft is limited and installed through length abutting, a longer transmission shaft is directly inserted into the deep part of the hole of the rotating end of the handle, and the other end needs to be extended and abutted to the part inside the door or window to realize limited installation. The transmission shaft is too long, the cost is too high, and it is not easy to match various internal structures of doors and windows on the market, so various sizes need to be continuously developed, which is very inconvenient for production. SUMMARY

[0003] In order to overcome the defects of the prior art, the utility model provides a transmission shaft connecting structure of window door handle.

[0004] The utility model discloses a technical scheme that solves the technical problems is as follows:

[0005] A transmission shaft connecting structure of window door handle, including the handle that rotates and installs on the installation base and the transmission shaft that is limited and connected in the hole of the rotating end of the handle, the installation base is equipped with the sleeve that is used for the rotating end of the handle to pass through, the sleeve bottom is through and makes the hole of the rotating end of the handle expose, the transmission shaft is radially connected with the ball device, the ball device includes the installation pipe, the ball and the spring, the installation pipe is radially connected on the transmission shaft and both ends are protruding on the surface of the transmission shaft, the ball and the spring are installed in the installation pipe, the ball has two symmetrical openings arranged at the both ends of the installation pipe, and the spring is located between the two balls; The inner wall of the hole of the rotating end of the handle is symmetrically arranged with the limiting slot that opens downward, when the transmission shaft passes through the hole, both ends of the installation pipe are clamped into the limiting slot from the lower end opening of the limiting slot and are positioned and installed at the top of the limiting slot, and the side walls of both sides of the limiting slot are provided with ball through holes, the inner wall of the sleeve is provided with the recess for clamping the ball, and the recess has more than two and is arranged along the circumferential wall of the sleeve.

[0006] The rotating end of the handle is formed by a rotating shaft assembled with the handle, the bottom of the rotating shaft forms the inner hole, the back of the handle is provided with a sleeve cavity matched with the sleeve, the sleeve cavity is sleeved with the sleeve, the top of the rotating shaft penetrates the sleeve from the back of the mounting base and is inserted into the sleeve cavity and fixed in the sleeve cavity, and the bottom of the rotating shaft is provided with a ring abutting against the bottom of the sleeve.

[0007] The top of the rotating shaft is provided with a through hole for penetrating a screw, the top wall of the sleeve cavity 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 top of the rotating shaft in the sleeve cavity.

[0008] The top wall of the sleeve cavity is provided with a clamping groove for inserting the top of the rotating shaft, the peripheral wall of the clamping groove is matched with the side wall of the rotating shaft to limit the circumferential rotation of the rotating shaft relative to the handle, and the fastening hole is located in the clamping groove.

[0009] The top wall of the sleeve cavity is provided with a limiting groove for inserting the top of the rotating shaft, the peripheral wall of the limiting groove is matched with the side wall of the rotating shaft to limit the circumferential rotation of the rotating shaft relative to the handle, and the fastening hole is located in the limiting groove.

[0010] The top of the sleeve abuts against the top wall of the sleeve cavity, and a second gasket is clamped between the top of the sleeve and the top wall of the sleeve cavity.

[0011] The top surface of the mounting base is further provided with a decorative cover, the sleeve cavity is sleeved with an elastic gasket, and the bottom surface of the elastic gasket abuts against the top surface of the decorative cover.

[0012] The utility model discloses the beneficial effect is: the utility model discloses the transmission shaft arrangement marble device, make the user clear handle rotation in place and realize unlocking or locking, and when unlocking or locking state, bring certain moment for handle, avoid because gravity or slight touch and so on factor under handle easy rotation and lose present state, simultaneously, through the installation pipe structure cooperation handle rotating end inner hole limiting groove structure realizes the positioning installation, marble device and transmission shaft assembly are installed together, simple and convenient, and effectively realize transmission shaft and handle rotating end's positioning, convenient for transmission shaft to determine standard, solve the problem of high cost caused by the difficulty of installation, non-uniform standard in the past. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further explained in connection with the drawings and examples.

[0014] Figure 1 It is the structure schematic diagram of the utility model;

[0015] Figure 2 It is the split schematic diagram of the utility model;

[0016] Figure 3 is a sectional view of the utility model;

[0017] Figure 4 is a structural schematic view of the handle of the utility model;

[0018] Figure 5 is a structural schematic view of the rotating shaft of the utility model;

[0019] Figure 6 is a structural schematic view of the combination of the transmission shaft and the ball device of the utility model;

[0020] Figure 7 is a structural schematic view of the mounting base of the utility model. DETAILED DESCRIPTION

[0021] Referring to Figures 1 to 7 A kind of transmission shaft connecting structure of window door handle, including handle 2 being rotatably installed on mounting base 1 and the transmission shaft 8 being limitingly threaded in the inner hole 53 of the rotating end of handle 2.

[0022] The mounting base 1 is provided with a sleeve 3 for the handle 2 rotating end to pass through, the bottom of the sleeve 3 is through to make the inner hole 53 of the handle rotating end exposed, the transmission shaft 8 is radially provided with a ball device 9, the ball device 9 includes a mounting pipe 92, a ball 91 and a spring 93, the mounting pipe 92 is radially provided on the transmission shaft 8 and both ends are protruded from the surface of the transmission shaft 8, the ball 91 and the spring 93 are installed in the mounting pipe 92, the ball 91 has two openings symmetrically arranged at both ends of the mounting pipe 92, and the spring 93 is located between the two balls 91; the inner hole 53 of the handle 2 rotating end is symmetrically provided with a downwardly open limiting groove 54 on the side wall, when the transmission shaft 8 passes through the inner hole 53, the both ends of the mounting pipe 92 are clamped into the limiting groove 54 from the lower end opening of the limiting groove 54 and positioned and installed at the top of the limiting groove 54, and the side walls of the limiting grooves 54 on both sides are provided with through holes 55 for the ball 91 to pass through, the mounting pipe 92 of the ball device 9 is matched with the structure of the limiting groove 54 of the inner hole 53 of the handle rotating end to realize positioning and installation, the ball device 9 is assembled with the transmission shaft, which is simple and convenient, and effectively realizes the positioning of the transmission shaft and the handle rotating end, facilitates the determination of the standard of the transmission shaft, solves the problem of high cost caused by the difficulty of installation and the non-uniform standard in the past; 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 inner wall of the sleeve 3 in the circumferential direction, the limiting points formed by each groove 31 limit the rotation angle of the handle 2 to stay, the ball 91 and the groove 31 can form a stay position indicating window lock body to lock state, so that the user can clearly know that the handle 2 is rotated to the position and realizes unlocking or locking, and when unlocking or locking, a certain torque is brought to the handle 2, avoiding the handle from easily rotating due to gravity or slight touch and losing the current state, which is more beneficial to the next use operation of the user.

[0023] As the preferred scheme of the utility model, the rotating end of the handle 2 is formed by the rotating shaft 5 assembled and connected with the handle 2, the bottom of the rotating shaft 5 forms the inner hole 53, the back of the handle 2 is provided with the sleeve cavity 4 matched with the sleeve 3, the sleeve cavity 4 sleeves the sleeve 3, the top of the rotating shaft 5 penetrates the sleeve 3 from the back of the mounting base 1 and is inserted and fixed in the sleeve cavity 4; the bottom of the rotating shaft 5 is provided with the ring table 52 abutting against the bottom of the sleeve 3, the rotating installation of the handle 2 and the mounting base 1 is quickly realized by the assembling structure, and it is stable and reliable. 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 the through hole 51 for screw penetration, the top wall of the sleeve cavity 4 is provided with the fastening hole 41 connected with the screw, the screw is connected and fixed by penetrating the through hole 51 and the fastening hole 41, so that the top of the rotating shaft is fixed in the sleeve cavity 4, and the top wall of the sleeve cavity 4 is further provided with the clamping groove 42 for the top of the rotating shaft 5 to be inserted, the fastening hole 41 is located in the clamping groove 42, the peripheral wall of the clamping 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, on the one hand, the connection strength between the handle 2 and the rotating shaft 5 is strengthened, and on the other hand, the tightness of the handle 2 driving the rotating shaft 5 is facilitated. 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 clamped between the top of the sleeve 3 and the top wall of the sleeve cavity 4, and the abrasion caused by the relative rotation between the sleeve 3 and the sleeve cavity 4 is also reduced by the second gasket 62.

[0024] As the preferred scheme, the top surface of the mounting base 1 is further provided with the decorative cover 10, the sleeve cavity 4 is sleeved with the elastic washer 72, and the bottom surface of the elastic washer 72 abuts against the top surface of the decorative cover 10 and presses the decorative cover 10 on the top surface of the mounting base 1 by the elastic force.

Claims

1. A transmission shaft connection structure for a window or door handle, comprising a handle (2) rotatably mounted on a mounting base (1) and a transmission shaft (8) positionally connected to an inner hole (53) of a rotating end of the handle (2), characterized in that: The mounting base (1) is provided with a sleeve (3) for the rotating end of the handle (2) to penetrate, and the bottom of the sleeve (3) is penetrated to expose the inner hole (53) of the rotating end of the handle. A marble device (9) is radially penetrated on the transmission shaft (8), and the marble device (9) includes a mounting tube (92), a ball (91) and a spring (93). The mounting tube (92) is radially penetrated on the transmission shaft (8) and both ends protrude from the surface of the transmission shaft (8). The ball (91) and the spring (93) are mounted in the mounting tube (92). The ball (91) has two openings symmetrically arranged at both ends of the mounting tube (92). The spring ( 93) is located between the two balls (91); the side walls of the inner hole (53) of the rotating end of the handle (2) are symmetrically arranged with downward-opening limit grooves (54), and when the transmission shaft (8) penetrates the inner hole (53), the two ends of the mounting tube (92) are inserted into the limit groove (54) from the lower end opening of the limit groove (54) and positioned and installed on the top of the limit groove (54), and the side walls of the limit grooves (54) on both sides are provided with through holes (55) for the balls (91) to pass through, and the inner wall of the sleeve (3) is provided with grooves (31) for the balls (91) to be inserted, and the grooves (31) have more than two and are arranged circumferentially along the inner wall of the sleeve (3).

2. The transmission shaft connection structure according to claim 1, characterized in that: The rotating end of the handle (2) is formed by a rotating shaft (5) assembled and connected with the handle (2), the bottom of the rotating shaft (5) forms the inner hole (53), the back of the handle (2) is provided with a sleeve cavity (4) that matches the sleeve (3), the sleeve cavity (4) inserts the sleeve (3) therein, the top of the rotating shaft (5) penetrates the sleeve (3) from the back of the mounting base (1), and is inserted into the sleeve cavity (4) through the sleeve (3) and fixed; the bottom of the rotating shaft (5) is provided with a ring platform (52) that abuts against the bottom of the sleeve (3).

3. The transmission shaft connection structure according to claim 2, characterized in that: The top of the rotating shaft (5) is provided with a through hole (51) for a screw to pass through, and the top wall of the sleeve cavity (4) is provided with a fastening hole (41) connected to the screw. The screw passes through the through hole (51) and is connected and fixed to the fastening hole (41) so that the top of the rotating shaft is fixed in the sleeve cavity (4).

4. The transmission shaft connection structure according to claim 3, characterized in that: The top wall of the sleeve cavity (4) is provided with a slot (42) for inserting the top of the rotating shaft (5); the peripheral wall of the slot (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); and the fastening hole (41) is located in the slot (42).

5. The transmission shaft connection structure according to claim 2, characterized in that: The top of the sleeve (3) abuts against the top wall of the sleeve cavity (4), and a second gasket (62) is sandwiched between the top of the sleeve (3) and the top wall of the sleeve cavity (4).

6. The transmission shaft connection structure according to claim 2, characterized in that: The top surface of the mounting base (1) is also covered with a decorative cover (10), and an elastic washer (72) is sleeved in the sleeve cavity (4), and the bottom surface of the elastic washer (72) abuts against the top surface of the decorative cover (10).

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