A handle for controlling the opening and locking of doors and windows

Abstract

A handle for controlling the opening and locking of doors and windows, comprising an inner handle, an outer handle, a square rod and a square rod core, wherein the inner handle comprises an inner handle and an inner handle seat, and the outer handle comprises an outer handle and an outer handle seat, one end of the square rod is connected to the inner handle, and the other end passes through the door and window and is connected to the outer handle; the square rod core is installed in the square rod hole, one end of the square rod core is installed on the inner handle, and the other end is installed on the outer handle, the inner handle is provided with a handle driving part, one end of the square rod is provided with a square rod hole, and the handle driving part is located in the square rod hole; a locking unit is provided on the handle. When the user needs to lock the doors and windows indoors, he only needs to rotate the inner handle, the inner handle drives the square rod core to rotate in the square rod, and the square rod core drives the locking unit to move so as to fix the handle core in the handle seat, at this time, the doors and windows are in a locked state, which is simple and clear, and greatly convenient for users to use.

Description

Technical Field

[0001] The invention belongs to the field of door and window hardware, and in particular relates to a handle for controlling the opening and locking of doors and windows. Background Art

[0002] The handle is a common door and window hardware, which is widely installed on doors and windows. Generally speaking, the handle includes an inner handle and an outer handle. The inner handle and the outer handle are respectively installed on the inner and outer sides of the aluminum alloy door and window sashes. A control bolt is provided under the existing inner handle. The user rotates the control bolt to lock or open the lock tongue, thereby realizing the control of the opening and locking of the door and window from inside the door and window. The outer handle in this kind of handle is generally equipped with a lock cylinder, and the user can also control the opening and locking of the door and window by rotating the lock cylinder with a key from outside the door and window.

[0003] When using the existing handle to lock doors and windows indoors, the user must pull the handle to pull the door and window to the door and window frame. At this time, the lock tongue on the door and window leaf enters the lock seat in the door and window frame. At this time, the user's hand leaves the handle and moves to the control bolt under the handle. The control bolt is rotated, and the lock tongue no longer moves. Others cannot open the door and window by rotating the external handle outside the door and window. Although this handle has the function of opening and locking doors and windows, the process of locking doors and windows indoors is cumbersome and not simple, and there is a lot of room for improvement.

[0004] Therefore, it is necessary to study a new technical solution to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a handle for controlling the opening and locking of doors and windows, aiming to solve the problem that the existing handles are cumbersome and unsophisticated in the process of locking doors and windows indoors. The present invention is achieved as follows:

[0006] A handle for controlling the opening and locking of doors and windows, comprising an inner handle and an outer handle, wherein the inner handle and the outer handle are respectively installed on the inner side and the outer side of the doors and windows, and further comprising a square rod and a square rod core, wherein the inner handle comprises an inner handle and an inner handle seat, and the outer handle comprises an outer handle and an outer handle seat, one end of the square rod is connected to the inner handle, and the other end passes through the door and window and is connected to the outer handle; the square rod core is rotatably installed in a square rod hole provided in the middle of the square rod, one end of the square rod core is installed on the inner handle, and the other end is installed on the outer handle, the inner handle is provided with an inner handle driving part that can drive the square rod to rotate, and one end of the square rod is provided with a square rod matching part that cooperates with the inner handle driving part to realize that the square rod core rotates in the square rod while the square rod can remain stationary; a locking unit for fixing the outer handle is provided on the handle.

[0007] Among them, the inner handle includes an inner handle shaft, the inner handle shaft is installed at one end of the inner handle, the inner handle shaft is provided with an inner handle shaft hole, one end of the square rod is rotatably installed in the inner handle shaft hole, and one end of the square rod core is installed on the inner handle shaft; the outer handle includes an outer handle core, and the other end of the square rod is installed on the outer handle core.

[0008] Among them, the inner handle is provided with an inner handle hole, the inner handle shaft is installed in the inner handle hole, the inner handle shaft is provided with an inner handle shaft hole, one end of the square rod is installed in the inner handle shaft hole, and the other end of the square rod is installed in an outer handle core hole provided in the middle of the outer handle core, and the shape of the outer handle core hole is adapted to the shape of the square rod.

[0009] Among them, the inner handle driving part is an inner handle protrusion, the inner handle protrusion is located in the inner handle shaft hole, the square rod matching part is a square rod mounting hole, the inner handle protrusion is installed in the square rod mounting hole, and the square rod mounting hole forms a space in which the inner handle protrusion rotates.

[0010] Among them, the inner handle driving part is a fixing pin, a fixing pin mounting hole is provided on the inner handle shaft, a square rod core hole is provided at one end of the square rod core, and the square rod matching part is a square rod mounting hole. The fixing pin passes through the fixing pin mounting hole, the square rod mounting hole, and the square rod core hole and is installed on the inner handle shaft. The square rod mounting holes are respectively opened at two opposite corners of the square rod, and the square rod mounting holes form a space within which the inner handle protrusion rotates.

[0011] Wherein, the locking unit includes a locking member, a latch and a fixing hole, the external handle is provided with an external handle hole, the locking member and the external handle core are both installed in the external handle hole, wherein the locking member is installed above the external handle core, one end of the square rod core is installed on the locking member, one end of the locking member is provided with a locking member inclined surface, the latch is installed on the external handle core, the fixing hole is opened on the external handle seat, the positions of the locking member inclined surface, the latch and the fixing hole correspond to each other, and the latch is provided with a latch spring for resetting the latch.

[0012] Wherein, the locking member includes a locking member opening end, the locking member opening end is located on the outside of the external handle, and a locking member opening groove is provided on the locking member opening end.

[0013] Wherein, the locking unit includes an outer handle core groove, an outer handle seat positioning groove, a return spring, a square rod core groove and a positioning block movable in the outer handle core groove and the outer handle seat positioning groove, the outer handle core groove is opened on the side of the outer handle core, and the square rod core groove is opened on the square rod core; the return spring is installed in the outer handle seat positioning groove, the positioning block is located on one side of the return spring, and the position of the square rod core groove corresponds to the position of the positioning block.

[0014] Wherein, the locking unit includes a pushing inclined surface for pushing the square rod to move axially, a square rod fixing portion, an outer handle seat fixing hole and a spring for resetting the square rod; the pushing inclined surface is arranged on the end surface of the inner handle shaft, the square rod positioning portion is located on one side of the square rod, the outer handle seat positioning hole is opened on the outer handle seat, a square rod positioning protrusion is provided on the square rod positioning portion, the position of the square rod positioning protrusion corresponds to the position of the outer handle seat positioning hole, and the square rod resetting spring is installed at the other end of the square rod.

[0015] Among them, an inner handle positioning unit is also provided, which includes a marble, a marble spring and a groove. The marble and the marble spring are installed on the side of the inner handle seat. The side of the inner handle shaft is provided with a groove, and the marble and the groove can be in contact and connected.

[0016] When the user needs to lock the doors and windows indoors, he only needs to rotate the inner handle, and the inner handle drives the square rod core to rotate in the square rod, and the square rod core drives the locking unit to move to lock the outer handle. At this time, the user cannot rotate the outer handle from the outside, and the doors and windows are in a locked state; when the user needs to open the doors and windows indoors, he only needs to rotate the inner handle in the opposite direction, and the inner handle drives the square rod core to rotate in the opposite direction in the square rod, and the square rod core drives the locking unit to move, and the outer handle is no longer in a locked state. At this time, the user can rotate the inner handle from indoors or rotate the outer handle from outdoors to drive the lock tongue to move, and the doors and windows are in an open state. After adopting the above technical solution, the user can control the opening and locking of doors and windows by directly rotating the inner handle indoors, which is simple and clear, and greatly facilitates the use of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is an exploded schematic diagram of the first embodiment of the present invention;

[0018] Figure 2 This is an exploded schematic diagram of the inner handle shaft, the square rod, and the square rod core in the first embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the assembly of the inner handle shaft, the square rod, and the square rod core in the first embodiment of the present invention;

[0020] Figure 4 is another exploded schematic diagram of the first embodiment of the present invention;

[0021] Figure 5 is a third explosion schematic diagram of the first embodiment of the present invention;

[0022] Figure 6 is an exploded schematic diagram of the second embodiment of the present invention;

[0023] Figure 7is another exploded schematic diagram of the second embodiment of the present invention;

[0024] Figure 8 is a third explosion schematic diagram of the second embodiment of the present invention;

[0025] Fig. 9 is an exploded schematic diagram of the fourth embodiment of the present invention;

[0026] Fig.10 is an installation diagram of the fourth embodiment of the present invention;

[0027] Fig.11 Schematic diagram of the fourth embodiment of the present invention in an open state.

[0028] Fig.12 is a schematic diagram of a locked state of the fourth embodiment of the present invention;

[0029] Fig.13 is an assembly diagram of Embodiment 5 of the present invention;

[0030] Fig.14 is a half-section schematic diagram of a fifth embodiment of the present invention;

[0031] Fig.15 is a three-dimensional diagram of the middle rod in the fifth embodiment;

[0032] Fig.16 is another stereoscopic view of the middle rod in the fifth embodiment;

[0033] Fig.17 It is a schematic diagram of the handle according to the embodiment of the present invention after installation. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] See also Figure 1-5The present invention provides a handle for controlling the opening and locking of doors and windows, including an inner handle 1 and an outer handle 2, wherein the inner handle 1 and the outer handle 2 are respectively installed on the inner side and the outer side of the door and window 5. In this embodiment, the door and window 5 are made of aluminum alloy profiles, but can also be made of plastic steel profiles or wood. The handle provided by the present invention also includes a square rod 4 and a square rod core 3, wherein the inner handle 1 includes an inner handle 11 and an inner handle seat 13, and the outer handle includes an outer handle 21 and an outer handle seat 25, wherein the inner handle seat 13 and the outer handle seat 25 are fixed to each other on the door and window 5 by screws. One end of the square rod 4 is connected to the inner handle 1, and the other end passes through the door and window hole 52 provided on the door and window 5 and is connected to the outer handle 21; the square rod core 3 is rotatably installed in the square rod hole 41 provided in the middle of the square rod 4, one end of the square rod core 3 is installed on the inner handle 11, and the other end is installed on the outer handle 21, the inner handle 11 is provided with an inner handle driving part that can drive the square rod to rotate, one end of the square rod 4 is provided with a square rod matching part that cooperates with the inner handle driving part to realize the square rod core 3 rotating in the square rod 4 while the square rod 4 remains stationary; the handle is provided with a locking unit for fixing the outer handle.

[0036] See also Figure 1-5 The handle needs to cooperate with the lock body 51 to achieve the locking of doors and windows. In this embodiment, the lock body 51 is a common door and window lock, including an inclined tongue 511, and a lock body mounting hole 510 is provided in the middle. The square lock body mounting hole 510 is a square hole, and the square rod 4 passes through the lock body mounting hole 510. When the square rod 4 rotates, it can drive the inclined tongue 511 to move, thereby achieving the locking and opening of doors and windows.

[0037] After adopting the above technical scheme, when the user needs to lock the doors and windows indoors, the user rotates the inner handle 11, and the inner handle 11 drives the square rod core 3 installed in the square rod 4 to rotate, and the square rod core 3 drives the locking unit to move and fix the outer handle so that it cannot rotate, and the doors and windows cannot be opened by rotating the outer handle outside the doors and windows, and the doors and windows are in a locked state; when the user needs to open the doors and windows indoors, he only needs to rotate the inner handle 11 in the opposite direction, and the inner handle 11 realizes the rotation of the square rod core 3 through the coordinated movement of the inner handle driving part and the square rod matching part while the square rod 4 remains stationary, and the square rod core 3 drives the locking unit to move to unlock the outer handle 21, and others can open the doors and windows by rotating the outer handle 21 or the inner handle 11 outside the doors and windows, and the doors and windows are in an open state.

[0038] The handle provided in this embodiment is particularly suitable for use on toilet doors, and can also be used on other types of doors and windows. In this embodiment, the outer contour of the square rod 4 is roughly square, and the four sides are chamfered. The above shape is conducive to the mutual cooperation and connection with the square holes such as the square lock body installation hole 510. Of course, the square rod 4 can also be designed as other shapes such as hexagonal, octagonal, etc. according to needs.

[0039] See also Figure 1-5 In this embodiment, the inner handle 11 includes an inner handle shaft 12, and the inner handle shaft 12 is fixedly installed in an inner handle hole 111 provided at one end of the inner handle 11. The inner handle shaft 12 is provided with an inner handle shaft hole 121, and one end of the square rod 4 is rotatably installed in the inner handle shaft hole 121, and one end 31 of the square rod core 3 is also installed in the inner handle shaft installation hole 1211 provided on the inner handle shaft 12; the outer handle 21 includes an outer handle core 23, and the other end of the square rod 4 is installed on the outer handle core 23.

[0040] It is worth mentioning that in this embodiment, the inner handle shaft 12 is installed in the inner handle hole 111 and the outer handle core 23 is installed in the outer handle 21 for the convenience of manufacturing and installation. The inner handle shaft and the outer handle core 23 can also be an integrated structure with the inner handle 11 and the outer handle 12.

[0041] In this embodiment, specifically, the inner handle 11 is provided with an inner handle hole 111, the inner handle shaft 12 is installed in the inner handle hole 111, the inner handle shaft 12 is provided with an inner handle shaft hole 121, the inner handle shaft hole 121 is a round hole, the square rod 4 is square in cross section, the outer contour size is adapted to the inner handle shaft hole 121, one end of the square rod 4 is installed in the inner handle shaft hole 121, and the other end of the square rod 4 is installed in the outer handle core hole 231 provided in the middle of the outer handle core 23, and the outer handle core hole 231 is a square hole. Of course, for the convenience of manufacturing and installation, technicians often chamfer the square rod 4 to facilitate its manufacturing and installation. Example

[0042] See also Figure 1-5In this embodiment, the inner handle driving part is an inner handle protrusion 120, and the inner handle protrusion 120 is located in the inner handle shaft hole 121. One end of the square rod 4 is provided with a square rod matching part that cooperates with the inner handle driving part to realize that the square rod core 3 rotates in the square rod 4 while the square rod 4 remains stationary. In this embodiment, the square rod matching part is a square rod mounting hole 42. The square rod mounting hole 42 is located at one end of the square rod 4, and the inner handle protrusion 120 is installed in the square rod mounting hole 42. The square rod mounting hole 42 forms a space for the inner handle protrusion to rotate 90 degrees. When the inner handle rotates 90 degrees, the inner handle protrusion 120 rotates 90 degrees in the square rod hole 42 at the same time. The two edges 421 and 422 on the square rod mounting hole 42 can play a role in limiting the inner handle protrusion 120 from rotating 90 degrees.

[0043] In this embodiment, the main function of the inner handle driving part and the square rod matching part is that when the inner handle 11 is rotated, the inner handle driving part can drive the square rod 4 to rotate, and when the inner handle 11 is rotated in the opposite direction, the inner handle driving part and the square rod matching part move relative to each other while the square rod 4 does not move. At this time, the handle 11 can drive the square rod core 3 to rotate and the locking unit to move to fix the outer handle 21.

[0044] See also Figure 1-2 After adopting the above technical solution, when the inner handle 11 rotates clockwise, the inner handle protrusion 120 presses down the edge 421 of the square rod mounting hole 42, and the inner handle 11 drives the square rod 4 to rotate clockwise, and the square rod 4 drives the lock body 51 to open; when the inner handle 11 rotates counterclockwise, the inner handle protrusion 120 rotates 90 degrees in the square rod mounting hole 42 to the other edge 422 of the square rod mounting hole 42, and the inner handle 11 drives the inner handle shaft 12 and the square rod core 3 to rotate 90 degrees, and the square rod 4 no longer rotates and is in a stationary state. The inner handle rotates 90 degrees counterclockwise to drive the locking unit to fix the outer handle 21, and others outside the door and window cannot rotate the outer handle and cannot unlock the door and window, and the door and window are in a locked state.

[0045] In this embodiment, the square rod mounting hole 42 can form a space in which the inner handle protrusion 120 rotates 90 degrees, and the inner handle protrusion 120 can rotate idly therein. The space formed by the square rod mounting hole 42 can be adjusted as needed. Example

[0046] See also Figure 6-8 The difference between this embodiment and the first embodiment is that the inner handle driving part provided in this embodiment is a fixing pin 10 and the fixing pin 10 is installed in a different manner. The movement process and locking principle of the inner handle 11 are basically the same as those of the first embodiment.

[0047] Specifically, in this embodiment, the inner handle driving part is a fixing pin 10, a fixing pin mounting hole 122 is provided on the inner handle shaft 12, a square rod core hole 32 is provided at one end of the square rod core 3, and a square rod mounting hole 42 is provided at one end of the square rod 4, and the fixing pin 10 is installed on the inner handle shaft 12 through the fixing pin mounting hole 122, the square rod mounting hole 42, and the square rod core hole 32. In this embodiment, the square rod mounting holes 42 are respectively opened at two opposite corners of the square rod 4, and the square rod mounting holes 42 form a space in which the fixing pin 10 rotates 90 degrees.

[0048] After adopting the above technical solution, when the inner handle 11 is in Figure 6 When the lock is in the horizontal state, the fixing pin 10 is located above the square rod mounting hole 42. When the user rotates the inner handle 11 clockwise, the fixing pin 10 drives the square rod 4 to rotate clockwise, and the square rod 4 drives the lock body 51 to unlock. When the user rotates the inner handle 11 counterclockwise, the fixing pin 10 rotates in the square rod mounting hole 42 and rotates to the side of the square rod mounting hole 42. The square rod 4 does not move and is in a static state. The inner handle rotates 90 degrees counterclockwise to drive the locking unit to fix the outer handle 21. Others outside the door and window cannot rotate the outer handle and cannot unlock the door and window. The door and window are in a locked state.

[0049] The above two embodiments are examples of locking doors and windows by rotating the inner handle 11 counterclockwise to drive the locking unit so that the outer handle 21 is fixed. The inner handle driving part and the square rod matching part may also be in other forms. For example, the square rod matching part may be arranged at two positioning parts of the square rod 4 to limit the travel of the inner handle driving part. The locking unit may have multiple methods to lock doors and windows. The following are three embodiments of the locking unit, which are respectively Embodiment 3 to Embodiment 5. Example

[0050] See also Figure 1-8The locking unit includes a locking piece 22, a latch 24 and a fixing hole 251. The external handle 21 is provided with an external handle hole 211. The locking piece 22 and the external handle core 23 are both installed in the external handle hole 211, wherein the locking piece 22 is installed above the external handle core 23. One end of the square rod core 3 is a mounting portion with a rectangular cross-section, which is installed in the square rod core mounting hole 220 provided on the locking piece 22. The square rod core 3 can drive the locking piece 22 to rotate. A locking member inclined surface 221 is provided at one end of the locking member 22, and the latch pin 24 is installed in an inner latch pin hole 231 provided on the outer handle core 23. The fixing hole 251 is opened on the outer handle seat 25. The positions of the locking member inclined surface 221, the latch pin 24 and the fixing hole 251 correspond to each other. The latch pin 24 is provided with a latch spring 241 for resetting the latch pin 24. The latch spring 241 is sleeved on the outer diameter of the latch pin 24 and is installed in the latch pin hole 232 together with the latch pin 24.

[0051] After adopting the above technical solution, when the user rotates the inner handle 11 counterclockwise in the room, the inner handle 11 drives the square rod core 3 and the locking member 22 to rotate counterclockwise by 90 degrees. At this time, the inner handle 11 is in an upward vertical state. The locking member inclined surface 221 provided on one side of the locking member 22 slides on the upper part of the latch 24. Since the locking member inclined surface 221 has a height difference, when the locking member inclined surface 221 slides on the latch 24, the latch 24 is pressed down. The latch 24 is inserted into the fixing hole 251 corresponding to its position. At this time, the outer handle 21 is fixed and cannot be rotated. Others outside the door and window cannot directly open the lock body 51 by rotating the outer handle 21. At this time, the door and window are in a locked state.

[0052] When people in the room need to open the doors and windows, they rotate the inner handle 11 clockwise to a horizontal position, and the handle 11 drives the square rod core 3 and the locking member 22 to rotate 90 degrees clockwise. The locking member inclined surface 221 on the locking member 22 slides to its initial position, and the latch spring 241 resets to drive the latch 24 to disengage from the fixing hole 251. The user can rotate the outer handle 21 to drive the outer handle core 23 and the square rod 4 to rotate from outside the doors and windows, thereby opening the lock body 51. At this time, the doors and windows are in an open state, and people inside and outside the doors and windows can open the lock body through the inner and outer handles 11 and 21.

[0053] In this embodiment, the locking member 22 includes a locking member opening end 222, and the locking member opening end 223 is located on the outside of the external handle 21. The locking member opening end 222 is provided with a locking member opening slot 223. After adopting the above technical solution, when the external handle 21 is in the locked state, the user can hold a tool to rotate the locking member 22 through the locking member opening slot 223 to achieve the purpose of unlocking.

[0054] In this embodiment, the number of the locking member inclined surface 221, the latch pin 24 and the fixing hole 251 are all two, so the locking is more secure. Example

[0055] See also Figure 9-12 This embodiment provides another technical solution of the locking unit. In this embodiment, the locking unit includes an outer handle core groove 233, an outer handle seat positioning groove 252, a reset spring 253, a square rod core groove 33 and a positioning block 6 that can move in the outer handle core groove 233 and the outer handle seat positioning groove 252. The outer handle core groove 233 is opened on the side of the outer handle core 23, specifically, on the side of the outer handle core middle ring 232 in the middle part of the outer handle core 2, and the square rod core groove 33 is opened on the square rod core 3; the reset spring 253 is installed in the outer handle seat positioning groove 252, and the positioning block 6 is located on one side of the reset spring 253, and the position of the square rod core groove 233 corresponds to the position of the positioning block 6.

[0056] After adopting the above technical solution, when the user rotates the inner handle 11 counterclockwise in the room, the inner handle 11 drives the square rod core 3 to rotate 90 degrees, and the inner handle is in an upward vertical state. Fig.12 , the square rod core 3 pushes the positioning block 6 to move during the rotation process, and the square rod core 3 pushes the positioning block 6 into the positioning groove 252 of the outer handle seat. At this time, a part of the positioning block 6 is located in the outer handle core 23, and the other part is located in the outer handle seat 25, so that the outer handle core 23 cannot rotate relative to the outer handle seat 25, so the outer handle 21 is fixed on the outer handle seat and cannot rotate. Others outside the door and window cannot directly open the lock body 51 by rotating the outer handle 21, and the door and window are in a locked state.

[0057] When people in the room need to open the doors and windows, they rotate the inner handle 11 clockwise to a horizontal position, and the handle 11 drives the square rod core 3 to rotate to its initial position. The square rod core groove 33 on the square rod core 3 rotates to the positioning block 6, and the reset spring 253 pushes the positioning block 6 to move into the square rod core groove 33. The positioning block 6 is completely returned to the outer handle core 23. At this time, the outer handle core 23 can rotate relative to the outer handle seat 25. At this time, the doors and windows are in an open state, and people inside and outside the doors and windows can open the lock body through the inner and outer handles 11 and 21. Example

[0058] See also Figure 13-16This embodiment provides a third technical solution of the locking unit, the locking unit includes a push inclined surface 43, a square rod positioning portion 44, an outer handle seat positioning hole 252, and a spring 45. The push inclined surface 43 is located at the end surface of one end of the square rod 4, the square rod positioning portion 44 is located at the other side of the square rod 4, and the spring 45 is installed at the other end of the square rod 4. The front end of the square rod positioning portion 44 is provided with a square rod positioning protrusion 441, the position of the inner handle positioning hole 252 is located at one end of the outer handle seat 25, and the position of the square rod positioning protrusion 441 corresponds to the outer handle seat positioning hole 252.

[0059] After adopting the above technical solution, please refer to the figure. When the user rotates the inner handle 11 counterclockwise in the room, the inner handle 11 drives the square rod core 3 to rotate 90 degrees. At this time, the inner handle 11 is in a vertical state facing upward. Figure 14-17 , the square rod core 3 drives the inner handle shaft 12 to rotate during the rotation process, and the inner handle shaft protrusion 124 provided on the inner handle shaft 12 rotates on the push inclined surface 43. Since the push inclined surface 43 has a certain height difference, when the inner handle shaft protrusion 124 rotates thereon, the inner handle shaft protrusion 124 pushes the square rod 4 to move axially. Since the square rod 4 moves axially, the square rod positioning protrusion 441 provided thereon enters the outer handle seat positioning hole 252, and the square rod 4 cannot rotate. Since the outer handle 21 is fixedly connected to the square rod 4, the square rod 4 cannot rotate, and the outer handle 21 cannot rotate either. Others outside the door and window cannot directly open the lock body 51 by rotating the outer handle 21. At this time, the door and window are in a locked state.

[0060] When people in the room need to open the doors and windows, they rotate the inner handle 11 clockwise to a horizontal position. The square rod core 3 drives the inner handle shaft 12 to rotate during the rotation. The inner handle shaft protrusion 124 provided on the inner handle shaft 12 returns to its original position. The inner handle shaft protrusion 124 no longer applies axial pressure to the square rod 4. The spring 45 resets and pushes the square rod 4 back to its original position. The square rod positioning protrusion 441 leaves the inner handle positioning hole 252, and the square rod 4 can rotate. At this time, the doors and windows are in an open state, and people inside and outside the doors and windows can open the lock body through the inner and outer handles 11 and 21.

[0061] The above-mentioned Embodiments 3 to 5 are all specific embodiments of the locking unit. In the present invention, the locking unit is not limited to the above-mentioned embodiments.

[0062] See also Figure 1-8In the above embodiment, an inner handle positioning unit is further provided, and the inner handle positioning unit includes a marble 6, a marble spring 61 and a groove 123. The marble 6 and the marble spring 61 are installed on the side of the inner handle seat 13, and the side of the inner handle shaft 12 is provided with a groove 123, and the marble 6 and the groove 123 can be in contact and connected. In this embodiment, the marble 6 and the marble spring 61 each have two sides relatively installed on the inner handle seat 13, and the number of the grooves 123 is four, which are evenly distributed on the side of the inner handle shaft 12.

[0063] After adopting the above technical solution, when the user rotates the inner handle, the marble 6 falls into the groove 123 every time it rotates 90 degrees, the inner handle has a clearer position, and the user also has a better hand feel.

[0064] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A handle for controlling the opening and locking of doors and windows, comprising an inner handle and an outer handle, wherein the inner handle and the outer handle are respectively installed on the inner side and the outer side of the door and window, and characterized in that: It also includes a square rod and a square rod core, the inner handle includes an inner handle and an inner handle seat, the outer handle includes an outer handle and an outer handle seat, one end of the square rod is connected to the inner handle, and the other end passes through the door and window and is connected to the outer handle; the square rod core is rotatably installed in a square rod hole provided in the middle of the square rod, one end of the square rod core is installed on the inner handle, and the other end is installed on the outer handle, the inner handle is provided with an inner handle driving part that can drive the square rod to rotate, one end of the square rod is provided with a square rod matching part that cooperates with the inner handle driving part to realize that the square rod core rotates in the square rod while the square rod can remain stationary; the handle is provided with a locking unit for fixing the outer handle and driven by the square rod core.

2. A handle for controlling the opening and locking of doors and windows as claimed in claim 1, characterized in that: The inner handle comprises an inner handle shaft, the inner handle shaft is mounted on one end of the inner handle, an inner handle shaft hole is provided on the inner handle shaft, one end of the square rod is rotatably mounted in the inner handle shaft hole, and one end of the square rod core is mounted on the inner handle shaft; the outer handle comprises an outer handle core, and the other end of the square rod is mounted on the outer handle core; It also includes a lock body matched with the handle, the lock body includes an oblique tongue, a lock body mounting hole is arranged in the middle, and the square rod passes through the lock body mounting hole.

3. A handle for controlling the opening and locking of doors and windows as claimed in claim 2, characterized in that: The inner handle is provided with an inner handle hole, the inner handle shaft is installed in the inner handle hole, the inner handle shaft is provided with an inner handle shaft hole, one end of the square rod is installed in the inner handle shaft hole, and the other end of the square rod is installed in an outer handle core hole provided in the middle of the outer handle core, and the shape of the outer handle core hole is adapted to the shape of the square rod.

4. A handle for controlling the opening and locking of doors and windows as claimed in claim 2 or 3, characterized in that: The inner handle driving part is an inner handle protrusion, the inner handle protrusion is located in the inner handle shaft hole, the square rod matching part is a square rod mounting hole, the inner handle protrusion is installed in the square rod mounting hole, and the square rod mounting hole forms a space in which the inner handle protrusion rotates.

5. A handle for controlling the opening and locking of doors and windows as claimed in claim 2 or 3, characterized in that: The inner handle driving part is a fixing pin, a fixing pin mounting hole is provided on the inner handle shaft, a square rod core hole is provided at one end of the square rod core, the square rod matching part is a square rod mounting hole, the fixing pin passes through the fixing pin mounting hole, the square rod mounting hole and the square rod core hole and is installed on the inner handle shaft, the square rod mounting holes are respectively opened at two opposite corners of the square rod, and the square rod mounting holes form a space for the inner handle protrusion to rotate therein.

6. A handle for controlling the opening and locking of doors and windows as claimed in claim 2, characterized in that: The locking unit includes a locking piece, a latch and a fixing hole, the outer handle is provided with an outer handle hole, the locking piece and the outer handle core are both installed in the outer handle hole, wherein the locking piece is installed above the outer handle core, one end of the square rod core is installed on the locking piece, one end of the locking piece is provided with a locking piece inclined surface, the latch is installed on the outer handle core, the fixing hole is opened on the outer handle seat, the positions of the locking piece inclined surface, the latch and the fixing hole correspond to each other, and the latch is provided with a latch spring for resetting the latch.

7. A handle for controlling the opening and locking of doors and windows as claimed in claim 6, characterized in that: The locking piece comprises a locking piece opening end, the locking piece opening end is located on the outside of the external handle, and a locking piece opening groove is arranged on the locking piece opening end.

8. A handle for controlling the opening and locking of doors and windows as claimed in claim 2, characterized in that: The locking unit includes an outer handle core groove, an outer handle seat positioning groove, a reset spring, a square rod core groove and a positioning block movable in the outer handle core groove and the outer handle seat positioning groove. The outer handle core groove is opened on the side of the outer handle core, and the square rod core groove is opened on the square rod core; the reset spring is installed in the outer handle seat positioning groove, and the positioning block is located on one side of the reset spring, and the position of the square rod core groove corresponds to the position of the positioning block.

9. A handle for controlling the opening and locking of doors and windows as claimed in claim 2, characterized in that: The locking unit includes a pushing inclined surface for pushing the square rod to move axially, a square rod fixing portion, an outer handle seat fixing hole and a spring for resetting the square rod; the pushing inclined surface is arranged on the end surface of the inner handle shaft, the square rod positioning portion is located on one side of the square rod, the outer handle seat positioning hole is opened on the outer handle seat, a square rod positioning protrusion is provided on the square rod positioning portion, the position of the square rod positioning protrusion corresponds to the position of the outer handle seat positioning hole, and the square rod resetting spring is installed at the other end of the square rod.

10. A handle for controlling the opening and locking of doors and windows as claimed in claim 2, characterized in that: An inner handle positioning unit is also provided, which includes a marble, a marble spring and a groove. The marble and the marble spring are installed on the side of the inner handle seat. The side of the inner handle shaft is provided with a groove, and the marble is contact-connected with the groove.

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