Door and window handle with child lock
By incorporating movable pins and slots in door and window handles, a child lock function is achieved, solving the problem of children accidentally opening doors and windows and improving safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-30
- Publication Date
- 2026-04-10
AI Technical Summary
The lack of child lock function in existing door and window handles may lead to children accidentally opening doors and windows, creating a safety hazard.
A movable pin is installed on the fixed seat of the door and window handle, and a slot is provided on the outside of the rotating shaft. The child lock function is realized by the cooperation of the pin and the slot to prevent children from operating it accidentally.
Effectively prevents children from accidentally opening doors and windows, avoids falls, and improves safety.
Smart Images
Figure CN224107054U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a door and window handle with child lock belongs to door and window handle technical field. BACKGROUND
[0002] The handle is installed on the door and window fan and has the functions of opening and closing and fastening, which is made of aluminum alloy, copper, stainless steel, organic glass, plastic and other materials. It has various forms and sizes. In addition to meeting the requirements of comfortable feeling and reasonable stress, it also has decorative effect, so the materials and shapes are selected according to the requirements of building design or designed separately.
[0003] The prior art "application number: CN202520909157X" discloses a door and window handle, which has a defect: it does not have a child lock function, and children may open the door and window by mistake, which may cause danger.
[0004] Therefore, the research purpose of the utility model is to provide a door and window handle with child lock. UTILITY MODEL CONTENTS
[0005] In view of the above technical problems, the utility model provides a door and window handle with child lock, which is provided with a movable pin on the fixed seat and a clamping groove on the outer side of the rotating shaft, so as to realize the function of child lock through the cooperation of the pin and the clamping groove.
[0006] In order to solve the problems of the prior art, the utility model adopts the following technical scheme:
[0007] A door and window handle with child lock, comprising a fixed seat, a pin, a spring, a rotating shaft, a rotating head and a rotating ring, the side wall of the fixed seat is respectively provided with a first hole opening outward and a second hole opening inward, the inner diameter of the first hole is larger than that of the second hole, and the bottom of the first hole is in communication with the top of the second hole, the pin is movably arranged in the first hole and the second hole, and a tapered end head is arranged at the top of the pin, the outer wall of the tapered end head is in clearance fit with the inner wall of the first hole, the spring is sleeved outside the pin and located in the first hole, the top of the spring is in abutment with the bottom of the tapered end head, and the bottom is in abutment with the bottom of the first hole, the rotating shaft is rotatably arranged in the fixed seat, a plurality of clamping grooves matched with the bottom of the pin are arranged on the outer side of the rotating shaft along the length direction, the rotating head is fixedly connected to one end of the rotating shaft, the rotating ring is rotatably arranged outside the fixed seat and coincides with the position of the first hole, and a recess matched with the tapered end head is arranged on the inner side of the rotating ring.
[0008] Further, one end of the rotating shaft is provided with a first square shaft, and the other end is provided with a first square hole, an inner side of the first square shaft is provided with a threaded hole, one end of the rotating head is provided with a second square hole matched with the first square shaft, and the other end is provided with a bolt hole, and the bolt hole is arranged in communication with the second square hole.
[0009] Further, one end of the rotating shaft is provided with a first square shaft, and the other end is provided with a first square hole, an inner side of the first square shaft is provided with a threaded hole, one end of the rotating head is provided with a second square hole matched with the first square shaft, and the other end is provided with a bolt hole, and the bolt hole is arranged in communication with the second square hole.
[0010] Further, the outer side of the rotating shaft is provided with four groups of spaced-apart protrusions, and the gap between each two groups of the protrusions forms a group of the clamping grooves.
[0011] Further, the middle part of the fixing seat is provided with a first inner hole and a second inner hole penetrating the fixing seat, the inner wall of the first inner hole is in gap cooperation with the outer wall of the protrusion, and the first square shaft is arranged through the second inner hole.
[0012] Further, the outer wall of the rotating ring is distributedly provided with a wave-shaped convex structure.
[0013] The beneficial effects of the present application are that the movable pin is arranged on the fixing seat, the clamping groove is arranged on the outer side of the rotating shaft, the function of the child lock is realized through the cooperation of the pin and the clamping groove, the situation that the child lock is rotated by mistake, the door and window are opened, and the child falls out of the door and window to cause danger is avoided. ACCURATE DRAWINGS
[0014] Figure 1 It is a structural schematic view of the present application.
[0015] Figure 2 It is a sectional view of the present application.
[0016] Figure 3 It is a structural schematic view of the fixing seat of the present application.
[0017] Figure 4 It is a sectional view of the fixing seat of the present application.
[0018] Figure 5 It is a structural schematic view of the pin and the spring of the present application.
[0019] Figure 6 It is a structural schematic view of the rotating ring of the present application.
[0020] Figure 7 It is a partial structural view of the present application.
[0021] Figure 8 It is one of the structural schematic views of the rotating shaft of the present application.
[0022] Figure 9It is the structure schematic view two of rotating shaft of the utility model.
[0023] Figure 10 It is the structure schematic view of rotating head of the utility model.
[0024] Wherein: fixed seat 10, pin 20, spring 30, rotating shaft 40, rotating head 50, rotating ring 60, first hole 101, second hole 102, conical end 201, clamping groove 401, recess 601, first square shaft 402, first square hole 403, threaded hole 404, second square hole 501, bolt hole 502, second square shaft 70, protruding block 405, convex structure 602. DETAILED DESCRIPTION
[0025] In order to make those skilled in the art more understand the technical scheme of the utility model, below combining with the attached Figures 1-10 Further analysis is made to the utility model.
[0026] As Figures 1-10 The utility model discloses a door and window handle with child lock, including fixed seat 10, pin 20, spring 30, rotating shaft 40, rotating head 50 and rotating ring 60, the lateral wall of fixed seat 10 is equipped with the first hole 101 of the outward opening respectively and the second hole 102 of the inward opening, the inner diameter of first hole 101 is greater than the inner diameter of second hole 102 setting, and the bottom of first hole 101 is communicated with the top of second hole 102 setting, pin 20 is movably arranged in first hole 101 and second hole 102, and its top is equipped with a conical end 201, the outer wall of conical end 201 is clearance fit with the inner wall of first hole 101, spring 30 is sleeved on the outside of pin 20 and is located in first hole 101, the top of spring 30 is in contact with the bottom of conical end 201, and the bottom is in contact with the bottom of first hole 101, rotating shaft 40 is rotatably arranged in fixed seat 10, and a plurality of clamping grooves 401 matched with the bottom of pin 20 are formed on the outside of rotating shaft 40 along the length direction, rotating head 50 is fixedly connected to one end of rotating shaft 40, rotating ring 60 is rotatably arranged on the outside of fixed seat 10 and coincides with the position of first hole 101, and the inside of rotating ring 60 is equipped with a recess 601 matched with conical end 201.
[0027] In the embodiment, preferably, one end of the rotating shaft 40 is provided with a first square shaft 402, and the other end is provided with a first square hole 403, the inner side of the first square shaft 402 is provided with a threaded hole 404, one end of the rotating head 50 is provided with a second square hole 501 matched with the first square shaft 402, and the other end is provided with a bolt hole 502, the bolt hole 502 is arranged in communication with the second square hole 501, during installation, the first square shaft 402 at one end of the rotating shaft 40 is inserted into the second square hole 501 of the rotating head 50, and then a bolt is screwed into the threaded hole 404 of the rotating shaft 40 from the bolt hole 502, so that the rotating shaft 40 is fixedly connected to the rotating head 50.
[0028] In the embodiment, preferably, the other end of the rotating shaft 40 away from the rotating head 50 is fixedly connected with a second square shaft 70, and the outer wall of the second square shaft 70 is in interference fit with the inner wall of the first square hole 403, during installation, the second square shaft 70 is inserted into the first square hole 403, so that the second square shaft 70 is fixedly connected to the rotating shaft 40.
[0029] In the embodiment, preferably, the middle part of the outer side of the rotating shaft 40 is provided with four groups of protrusions 405 arranged at intervals, and the gap between each two groups of the protrusions 405 forms a group of the clamping grooves 401.
[0030] In the embodiment, preferably, the middle part of the fixed seat 10 is provided with a first inner hole 103 and a second inner hole 104 penetrating through the fixed seat 10, the inner wall of the first inner hole 103 is in clearance fit with the outer wall of the protrusion 405, and the first square shaft 402 passes through the second inner hole 104.
[0031] In the embodiment, preferably, the outer wall of the rotating ring 60 is distributedly provided with a wave-shaped protruding structure 602, so that the rotating ring 60 is convenient to hold and rotate.
[0032] The working principle of the utility model is as follows: when it is needed to open the child lock, the rotating ring 60 is held and rotated to align the recess 601 with the conical end head 201 of the pin 20, at this time, the pin 20 moves upward under the elastic force of the spring 30, the conical end head 201 is inserted into the recess 601, the bottom of the pin 20 is separated from the clamping groove 401 of the rotating shaft 40, so that the rotating shaft 40 can rotate in the fixed seat 10, then the handle connected to the rotating head 50 is rotated, the rotating shaft 40 is driven to rotate, and the lock is opened to open the door and window.
[0033] When it is needed to close the child lock, the rotating ring 60 is held and rotated to separate the recess 601 from the conical end head 201 of the pin 20, the inner wall of the rotating ring 60 forces the pin 20 to move downward and is inserted into the clamping groove 401 of the rotating shaft 40, so that the rotating shaft 40 cannot rotate and the lock cannot be opened.
[0034] The technical solutions provided by the present application are described in detail above, the principles and implementation manners of the present application are described by using the examples, the above example descriptions are only used to help understand the method of the present application and the core idea thereof; meanwhile, for the general technical personnel in the art, the specific implementation manners and application ranges can be changed according to the idea of the present application, and the above description should not be understood as the limitation of the present application.
Claims
1. A door and window handle with a child lock, characterized in that: The utility model relates to a rotating device, including fixed seat, pin, spring, rotating shaft, rotary head and rotating ring, the lateral wall of fixed seat is equipped with the first hole that opens outward respectively and the second hole that opens inward, the inner diameter of first hole is greater than the inner diameter of second hole setting, and the bottom of first hole is communicated with the top of second hole setting, the pin is movably equipped in first hole and second hole, and its top is equipped with a tapered end, the outer wall of tapered end and the inner wall of first hole gap fit, the spring is sleeved on the outside of pin and is located in first hole, the top of spring and the bottom of tapered end resist, the bottom and the bottom of first hole resist, the rotating shaft rotates and is equipped in fixed seat, and its outside is provided with a plurality of groups of clamping grooves along the length direction and is matched with the bottom of pin, the rotary head is fixedly connected at one end of rotating shaft, the rotating ring rotates and is equipped on the outside of fixed seat and coincides with the position of first hole, and the inside of rotating ring is equipped with a recess that is matched with tapered end.
2. A door and window handle with a child lock according to claim 1, characterized in that: One end of the rotating shaft is provided with a first square shaft, and the other end is provided with a first square hole. The inside of the first square shaft is provided with a threaded hole. One end of the rotary head is provided with a second square hole matched with the first square shaft, and the other end is provided with a bolt hole. The bolt hole is communicated with the second square hole.
3. A door and window handle with a child lock according to claim 2, characterized in that: The end of the rotating shaft away from the rotary head is fixedly connected with a second square shaft. The outer wall of the second square shaft is interference-fitted with the inner wall of the first square hole.
4. A door and window handle with a child lock according to claim 3, characterized in that: The outside of the rotating shaft is provided with four groups of protrusions arranged at intervals. The gap between each two groups of protrusions forms a group of clamping grooves.
5. A door and window handle with a child lock according to claim 4, characterized in that: The middle of the fixed seat is provided with a first inner hole and a second inner hole penetrating the fixed seat. The inner wall of the first inner hole is clearance-fitted with the outer wall of the protrusion. The first square shaft passes through the second inner hole.
6. A door and window handle with child lock according to claim 1, characterized in that: The outer wall of the rotating ring is distributedly provided with a convex structure with a wave pattern.