Safe handle

Abstract

The utility model discloses a safe handle which comprises a bottom box, a handle head rotatably installed in the bottom box, a handle body located outside the bottom box and a pressing linkage assembly used for being in linkage with the handle body and the handle head, and the head end of the handle head extends out of the bottom box and is provided with a first inner gear ring. The pressing linkage assembly comprises a second inner gear ring and a linkage outer gear ring, wherein the second inner gear ring is rotationally connected to the first inner gear ring and fixed to the handle, and the linkage outer gear ring is movably arranged in the second inner gear ring and can stretch into the first inner gear ring. And the button is inserted into the second inner gear ring and is used for pushing the linkage outer gear ring to move. According to the utility model, the handle head can be driven to rotate by the handle only by pressing the button to enable the linkage outer gear ring to be meshed with the first inner gear ring and the second inner gear ring at the same time, and the door and window cannot be opened by pulling the handle on the premise that an infant does not press the button, so that the safety can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window hardware accessories, and more specifically refers to a safety handle. Background Art

[0002] The Chinese patent discloses a rotational sound feedback mechanism of a door and window handle and a door and window handle containing the same (patent number: 201821621288.4). The rotational sound feedback mechanism includes a sound-generating part and a handle head. The sound-generating part includes an assembly part, a ball and a spring. The assembly part is provided with a central through hole and a circular groove surrounding the central through hole. One end of the handle head passes through the central through hole to connect the handle and abuts against the circular groove. The assembly part is also provided with radially opposite mounting parts, and the ball and the spring are installed in sequence from the inside to the outside. Four first tooth grooves are evenly arranged on the outer circumference of the handle head, and the first tooth grooves match the ball. A plurality of second tooth grooves are arranged between two adjacent first tooth grooves, and a gap is arranged between two adjacent tooth grooves.

[0003] The patent provides a rotating sound feedback mechanism for door and window handles. The handle drives the handle head to rotate. The handle head and the round ball under the action of the spring collide with the inner wall of the tooth groove to produce clear sound feedback and accurate positioning, which can not only provide a better user experience, but also prevent criminals from quietly opening doors and windows, play an anti-theft role, and is suitable for industrial production. The technical solution recorded in this patent has some shortcomings when used in some specific environments. For example, in special occasions, it cannot prevent children from opening doors and windows. That is, although the technical solution recorded in this patent can generate sound feedback, it cannot prevent children from opening doors and windows. That is, children can open doors and windows by pulling the handle at will, and the safety performance needs to be improved. Utility Model Content

[0004] The main purpose of the utility model is to solve the above-mentioned problems and provide a safety handle.

[0005] The technical solution adopted by the utility model is: a safety handle, including a base box, a handle head rotatably installed in the base box, a handle located outside the base box, and a press-linked assembly for linking the handle and the handle head, the head end of the handle head extending out of the base box and provided with a first inner toothed ring, the press-linked assembly including a second inner toothed ring rotatably connected to the first inner toothed ring and fixed to the handle, a linked outer toothed ring movably arranged inside the second inner toothed ring and extendable into the first inner toothed ring, and a button inserted inside the second inner toothed ring for pushing the linked outer toothed ring to move, and the linked outer toothed ring can mesh with the first inner toothed ring and the second inner toothed ring at the same time.

[0006] The second inner gear ring is connected to the head end of the handle head through a rotating shaft accessory.

[0007] A spring is arranged between the head end of the handle head and the linkage outer gear ring.

[0008] The safety handle also includes a sound-emitting component, which includes an outer toothed ring for emitting sound arranged at the end of the handle head, an assembly part sleeved on the outer periphery of the outer toothed ring, two springs and two round balls. The assembly part is provided with two mounting grooves for installing the springs, each of the springs is installed in the mounting groove, and the round ball is installed between the spring and the outer toothed ring.

[0009] The bottom box comprises a box body and a surface cover fixed to the box body, and the surface cover and the bottom box are provided with mounting openings.

[0010] The beneficial effect of the utility model is that the utility model needs to press the button first to engage the linked outer tooth ring with the first inner tooth ring and the second inner tooth ring at the same time, and then the handle head can be driven to rotate through the handle. Under the premise of not pressing the button, the child cannot open the door or window by pulling the handle, which can effectively improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model.

[0012] Figure 2 It is a schematic diagram of the cross-sectional structure of the sound-generating component of the utility model.

[0013] Figure 3 It is a top view of the utility model after removing the cover.

[0014] Figure 4 It is a three-dimensional schematic diagram of the utility model. DETAILED DESCRIPTION

[0015] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The preferred embodiments of the utility model are given in the drawings. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive.

[0016] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0018] like Figures 1 to 4 As shown, a safety handle provided by the utility model comprises a base box 10, a handle head 20 rotatably mounted in the base box 10, a handle 30 located outside the base box 10, and a pressing linkage component 40 for linking the handle 30 and the handle head 20, wherein the head end of the handle head 30 extends out of the base box 10 and is provided with a first inner tooth ring 31, the pressing linkage component 40 comprises a second inner tooth ring 41 rotatably connected to the first inner tooth ring 31 and fixed to the handle 30, a linkage outer tooth ring 42 movably arranged inside the second inner tooth ring 41 and capable of extending into the first inner tooth ring 31, and a push-pull outer tooth ring 42 inserted inside the second inner tooth ring 41 for pushing the linkage outer tooth ring 42 to move the linkage outer tooth ring 42. The button 43 is used to move the ring 42. The linked outer toothed ring 42 can mesh with the first inner toothed ring 31 and the second inner toothed ring 41 at the same time. The button 43 is exposed to the outside of the handle 30. During specific use, the button 43 is pushed to push the linked outer toothed ring 42 to mesh with the first inner toothed ring 31 and the second inner toothed ring 41 at the same time, so that when the handle 30 is rotated, the second inner toothed ring 41 is driven to rotate. The linked outer toothed ring 42 drives the first inner toothed ring 31 and the second inner toothed ring 41 to rotate at the same time, thereby achieving the effect that the handle drives the handle head 30 to rotate. The handle head is fixed to the door lock accessories to be dialed into the corresponding lock hole. The door lock accessories are not displayed and explained here.

[0019] The bottom box 10 includes a box body 11 and a surface cover 12 fixed at the opening of the box body 11 , and the surface cover 11 and the bottom box 12 are provided with installation openings.

[0020] In this embodiment, the second inner tooth ring 41 is connected to the head end of the handle head 30 via a rotating shaft accessory 44 , so that the second inner tooth ring 41 can rotate via the rotating shaft accessory 44 .

[0021] In this embodiment, a spring 45 is provided between the head end of the handle head 30 and the linked outer toothed ring 42, so that in a normal state, when the button 43 is not pressed, the linked outer toothed ring 42 only meshes with the second inner toothed ring 41, and meshes with the first inner toothed ring 31 and the second inner toothed ring 41 at the same time when the button 43 is pressed.

[0022] In this embodiment, the safety handle also includes a sound-emitting component 50, which includes an outer toothed ring 51 for emitting sound arranged at the end of the handle head 30, an assembly part 52 sleeved on the outer periphery of the outer toothed ring 51, two springs 53 and two round balls 54. The assembly part 52 is provided with two mounting grooves 521 for installing the springs 53, each of the springs 53 is installed in the mounting groove 521, and the round ball 54 is installed between the spring 53 and the outer toothed ring 51, so that the round ball can be stuck in the tooth groove of the outer toothed ring and emit a sound after the handle is rotated.

[0023] What the present invention aims to achieve is that the present invention requires pressing a button first to engage the linked outer toothed ring with the first inner toothed ring and the second inner toothed ring at the same time, and then the handle head can be driven to rotate through the handle. Without pressing the button, a child cannot open the door or window by pulling the handle, which can effectively improve safety.

[0024] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A safety handle, characterized in that: It includes a base box, a handle head rotatably installed in the base box, a handle located outside the base box, and a press-linked assembly for linking the handle and the handle head, wherein the head end of the handle head extends out of the base box and is provided with a first inner toothed ring, the press-linked assembly includes a second inner toothed ring rotatably connected to the first inner toothed ring and fixed to the handle, a linked outer toothed ring movably arranged inside the second inner toothed ring and capable of extending into the first inner toothed ring, and a button inserted inside the second inner toothed ring for pushing the linked outer toothed ring to move, and the linked outer toothed ring can mesh with the first inner toothed ring and the second inner toothed ring at the same time.

2. A safety handle according to claim 1, characterized in that: The second inner gear ring is connected to the head end of the handle head through a rotating shaft accessory.

3. A safety handle according to claim 1, characterized in that: A spring is arranged between the head end of the handle head and the linkage outer gear ring.

4. A safety handle according to claim 1, characterized in that: The safety handle also includes a sound-emitting component, which includes an outer toothed ring for emitting sound arranged at the end of the handle head, an assembly part sleeved on the outer periphery of the outer toothed ring, two springs and two round balls. The assembly part is provided with two mounting grooves for installing the springs, each of the springs is installed in the mounting groove, and the round ball is installed between the spring and the outer toothed ring.

5. A safety handle according to claim 1, characterized in that: The bottom box comprises a box body and a surface cover fixed to the box body, and the surface cover and the bottom box are provided with mounting openings.

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