CN210659545U - Handle reset structure - Google Patents

Abstract

The utility model provides a handle reset structure, includes handle, handle core and handle seat, the handle core is installed on handle, be equipped with handle core axis of rotation on the handle core, be equipped with handle seat rotation groove and spring on the handle seat, handle seat rotation groove is convex, spring mounting rotates within the groove in handle seat, handle core axis of rotation is installed within handle seat rotation groove. When a user rotates the handle, the handle drives the handle core to rotate the shaft to compress the spring, and the spring deforms; when a user releases the handle, the spring resets to push the rotating shaft of the handle core and the handle to move to the initial position. Because above-mentioned simple structure and each spare part rational in infrastructure are firm, the spring is compression spring rather than the torsional spring, even if long-time high frequency is used, can not produce long-term use and can lead to its spring elasticity to weaken, the not enough condition of power that resets to take place, the spring also can not produce the condition of metal fatigue or even fracture.

Description

Handle reset structure

Technical Field

The utility model belongs to door and window five metals field especially relates to a structure that handle resets.

Background

The handle is a common door and window hardware and is widely arranged on a door and a window. The handle generally has a reset structure, and generally, after a user rotates the handle to operate the door and the window

Open door and window or loosen the reset structure on the handle and can drive the handle and get back to initial position, the person of facilitating the use reuses. The reset structure of current handle adopts the torsional spring a lot, and the torsional spring has the characteristics that manufacturing cost is lower, but its stability is relatively poor, and long-term use can lead to its elasticity to weaken, the not enough condition of power that resets to take place. More seriously, the torsion spring is easy to generate metal fatigue due to the long-term frequent use of the handle, and the handle cannot reset and influences the use of a user due to the fact that the torsion spring is occasionally broken in practice.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a handle reset structure, including handle, handle core and handle seat, the handle core is installed on the handle, be equipped with handle core axis of rotation on the handle core, be equipped with handle seat rotation groove and spring on the handle seat, handle seat rotation groove is convex, spring mounting rotates within the groove in the handle seat, handle core axis of rotation is installed and is rotated within the groove in the handle seat, and the height of this handle core axis of rotation is equal to or is less than the thickness that handle seat rotated the groove, and the diameter is less than the width that handle seat rotated the groove.

Wherein, the handle seat is installed on the door and window frame, the rotatable installation of handle on the handle seat, the quantity of handle core axis of rotation, handle seat rotation groove and spring is two, two handle core axes of rotation set up in the one side of handle core relatively, two handle seat rotation grooves also open relatively locate on the handle seat, two springs are installed respectively in annual handle seat rotation groove within, handle core axis of rotation is located one side of spring.

The handle is an outer handle arranged outside the door window, the handle core is an outer handle core, the handle seat is an outer handle seat, the outer handle seat is fixedly arranged on the door window, and the outer handle is rotatably arranged on the outer handle seat.

The handle seat rotating groove comprises a spring groove for accommodating the compressed spring and a handle core rotating shaft groove for allowing the handle core rotating shaft to move, and the spring groove and the handle core rotating shaft groove are provided with partition parts.

The handle is an outer handle, and further comprises an inner handle and a square shaft, wherein one end of the square shaft is connected with the inner handle, and the other end of the square shaft is connected with the outer handle.

Wherein, the angle of handle core axis of rotation at handle core axis of rotation inslot internal rotation is 20 degrees to 30 degrees.

After the technical scheme is adopted, when a user rotates the outer handle, the outer handle drives the handle core rotating shaft to rotate in the handle seat rotating groove, the handle core rotating shaft compresses the spring, and the spring deforms; when a user releases the external handle, the spring resets to push the handle core rotating shaft to move to the initial position in the handle seat rotating groove, and the external handle also returns to the initial position. Because above-mentioned simple structure and each spare part rational in infrastructure are firm, the spring is compression spring rather than the torsional spring, even if long-time high frequency is used, can not produce long-term use and can lead to its spring elasticity to weaken, the not enough condition of power that resets to take place, the spring also can not produce the condition of metal fatigue or even fracture.

Drawings

Fig. 1 is an exploded view of a first embodiment of the present invention;

fig. 2 is an exploded view of the inner handle shaft, the square rod and the square rod core in the first embodiment of the present invention;

fig. 3 is a schematic view of the assembly of the inner handle shaft, the square rod and the square rod core in the first embodiment of the present invention;

fig. 4 is another exploded view of the first embodiment of the present invention;

fig. 5 is a third exploded view of the first embodiment of the present invention;

fig. 6 is an exploded schematic view of a second embodiment of the present invention;

fig. 7 is another exploded view of the second embodiment of the present invention;

fig. 8 is a third exploded view of the second embodiment of the present invention;

fig. 9 is an exploded view of a fourth embodiment of the present invention;

fig. 10 is an installation diagram of a fourth embodiment of the present invention;

fig. 11 is a schematic view of a fourth embodiment of the present invention in an open state;

fig. 12 is a schematic view of a fourth embodiment of the present invention in a locked state;

fig. 13 is an assembly view of a fifth embodiment of the present invention;

fig. 14 is a schematic half-section view of a fifth embodiment of the present invention;

FIG. 15 is a perspective view of a square bar of the fifth embodiment;

FIG. 16 is a schematic half-section view of an inner handle shaft of the fifth embodiment;

FIG. 17 is a schematic view of the embodiment after installation;

FIG. 18 is a schematic view of an external handle in an initial state according to the seventh embodiment;

FIG. 19 is a schematic view of a seventh embodiment of an outer handle rotated state;

fig. 20 is a schematic half-sectional view of the seventh middle outer handle of the embodiment in a rotated state.

Detailed Description

Please refer to fig. 1-5, the utility model provides a handle for controlling door and window is opened and is locked, including interior handle 1 and outer handle 2, interior handle 1 and outer handle 2 are installed respectively in door and window 5's inboard and outside, in this embodiment door and window 5 is made with aluminium alloy ex-trusions, and door and window 5 also can be materials such as plastic steel section bar or timber certainly and make. The utility model provides a handle still includes square pole 4 and square pole core 3, interior handle 1 includes interior handle 11 and interior handle seat 13, outer handle includes outer handle 21, outer handle seat 25, interior handle seat 13, outer handle seat 25 pass through the screw reciprocal anchorage on door and window 5. One end of the square rod 4 is connected with the inner handle 1, and the other end of the square rod passes through a door window hole 52 formed in the door and window 5 and is connected with the outer handle 21; the square rod core 3 is rotatably arranged in a square rod hole 41 formed in the middle of the square rod 4, one end of the square rod core 3 is arranged on the inner handle 11, the other end of the square rod core is arranged on the outer handle 21, a square rod matching part which is matched with the inner handle driving part to realize that the square rod core 3 rotates in the square rod 4 and the square rod 4 keeps still is arranged at one end of the square rod 4, and a driving part which can drive the square rod to rotate the inner handle is arranged on the inner handle 11; and the handle is provided with a locking unit for fixing the external handle.

Referring to fig. 1-5, the handle needs to be matched with the lock body 51 to lock the door and window, in this embodiment, the lock body 51 is a common door and window lock, and includes a latch bolt 511, a lock body installation hole 510 is formed in the middle of the latch bolt, the square lock body installation hole 510 is a square hole, the square rod 4 passes through the lock body installation hole 510, and when the square rod 4 rotates, the latch bolt 511 is driven to move to lock and unlock the door and window.

After the technical scheme is adopted, when a user needs to lock a door and a window indoors, the inner handle 11 is rotated, the inner handle 11 drives the square rod core 3 installed in the square rod 4 to rotate, the square rod core 3 drives the locking unit to move and fix the outer handle so that the outer handle cannot rotate, the door and the window cannot be opened by rotating the outer handle outside the door and the window, and the door and the window are in a locked state; when the user need open door and window indoor, only need to handle 11 in the rotation of opposite direction, interior handle realizes through the cooperation motion of interior handle drive portion and square bar cooperation portion that square bar core 3 rotates and square bar 4 keeps motionless, square bar core 3 drives the locking unit motion and carries out the unblock to handle 21 is carried out outward, and other people accessible rotates outside door and window and carries out handle 21 and open door and window, and door and window is in the state of opening.

The handle that this embodiment provided is particularly suitable for being used for the lavatory door and using, can also be used for on other types of doors and windows certainly. In this embodiment, the outer contour of the square bar 4 is substantially square, and the periphery of the square bar is chamfered, which is favorable for the square bar 4 to be matched and connected with the square hole such as the square lock body mounting hole 510, and the square bar 4 may be designed into other shapes such as a hexagon and an octagon as required.

Referring to fig. 1 to 5, in this embodiment, the inner handle 11 includes an inner handle shaft 12, the inner handle shaft 12 is fixedly installed in an inner handle shaft hole 111 formed at one end of the inner handle 11, an inner handle shaft hole 121 is formed in the inner handle shaft 12, 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 an inner handle shaft installation hole 1211 formed in the inner handle shaft 12; the outer handle 21 comprises an outer handle core 23, and the other end of the square rod 4 is arranged on the outer handle core 23.

It should be noted 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, so as to facilitate manufacturing and installation, and the inner handle shaft and the outer handle core 23 may be integrated with the inner handle 11 and the outer handle 12.

In this embodiment, specifically, an inner handle hole 111 is formed in the inner handle 11, 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 circular hole, the square rod 4 has a square cross section, the outer contour dimension of the square rod is matched with the inner handle shaft hole 121, one end of the square rod 4 is installed in the inner handle shaft hole 121, the other end of the square rod 4 is installed in an outer handle core hole 231 formed 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 manufacture and installation, a technician can frequently chamfer the square rod 4 to facilitate the manufacture and installation of the square rod.

Example one

Referring to fig. 1-5, in this embodiment, the inner handle driving portion is an inner handle protrusion 120, the inner handle protrusion 120 is located in the inner handle shaft hole 121, and one end of the square rod 4 is provided with a square rod matching portion which is matched with the inner handle driving portion to realize that the square rod core 3 rotates in the square rod 4 and the square rod 4 remains stationary. In this embodiment, the square bar engaging portion is a square bar hole 42. The square pole hole 42 is located at one end of the square pole 4, the inner handle protrusion 120 is installed in the square pole hole 42, the square pole installation hole 42 forms a space for 90-degree rotation in the inner handle protrusion, when the inner handle rotates 90 degrees, the inner handle protrusion 120 simultaneously rotates 90-degree rotation in the square pole hole 42, and two edges 421 and 422 of the square pole installation hole 42 can play a role in limiting the inner handle protrusion 120 to rotate 90-degree rotation.

In this embodiment, the main function of the inner handle driving portion and the square rod matching portion is that when the inner handle 11 is rotated, the inner handle driving portion can drive the square rod 4 to rotate, when the inner handle 11 is rotated in the opposite direction, the inner handle driving portion and the square rod matching portion move relatively while the square rod 4 is stationary, and 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.

Referring to fig. 1-2, after the above technical solution is adopted, when the inner handle 11 rotates clockwise, the inner handle protrusion 120 presses down the edge 421 of the square bar mounting hole 42, the inner handle 11 drives the square bar 4 to rotate clockwise, and the square bar 4 drives the lock body 51 to open; when the inner handle 11 rotates counterclockwise, the inner handle protrusion 120 rotates to 90 degrees to the other edge 422 of the square rod mounting hole 42 in the square rod mounting hole 42, 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 does not rotate any more and is in a static state. The inner handle rotates 90 degrees anticlockwise to drive the locking unit to enable the outer handle 21 to be fixed, other people cannot rotate the outer handle outside the door and window, the door and window cannot be unlocked, and the door and window is in a locking state.

In this embodiment, the square bar mounting hole 42 may form a space in which the inner handle knob 120 is rotated by 90 degrees, and the inner handle knob 120 may be idly rotated therein. The space formed by the square rod mounting holes 42 can be adjusted according to the requirement.

Example two

Referring to fig. 6 to 8, the difference between the first embodiment and the second embodiment is that the inner handle driving portion provided in the present embodiment is a fixing pin 10 and the fixing pin 10 is installed in a different manner. The movement process and the locking principle of the internal handle 11 are basically the same as those of the first embodiment.

Specifically, in this embodiment, the inner handle driving portion is a fixing pin 10, a fixing pin mounting hole 122 is disposed on the inner handle shaft 12, a square rod core hole 32 is disposed at one end of the square rod core 3, a square rod mounting hole 42 is disposed at one end of the square rod 4, and the fixing pin 10 passes through the fixing pin mounting hole 122, the square rod mounting hole 42, and the square rod core hole 32 and is mounted on the inner handle shaft 12. In the present embodiment, the square bar mounting holes 42 are respectively opened at opposite corners of the square bar 4, and the square bar mounting holes 42 form a space in which the fixing pin 10 is rotated by 90 degrees.

After the technical scheme is adopted, when the inner handle 11 is in a horizontal state in fig. 6, the fixing pin 10 is positioned above the square rod mounting hole 42, and when a 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 a user rotates the inner handle 11 counterclockwise, the fixing pin 10 rotates in the square bar mounting hole 42 and rotates to the side of the square bar mounting hole 42, and the square bar 4 is not displaced and is in a static state. The inner handle rotates 90 degrees anticlockwise to drive the locking unit to enable the outer handle 21 to be fixed, other people cannot rotate the outer handle outside the door and window, the door and window cannot be unlocked, and the door and window is in a locking state.

In both embodiments, the inner handle 11 is rotated counterclockwise to drive the locking unit to fix the outer handle 21, so as to lock the door and window. The expression form of the inner handle driving part and the square rod matching part can be other forms, and if the square rod matching part is arranged on two positioning parts of the square rod 4, the stroke of the inner handle driving part is limited. The locking unit can be used for realizing the locking of doors and windows in various ways, and the following are three embodiments of the locking unit, namely embodiment three to embodiment five.

EXAMPLE III

Referring to fig. 1 to 8, the locking unit includes a locking member 22, a bolt 24 and a fixing hole 251, the outer handle 21 has an outer handle hole 211, the locking member 22 and the outer handle core 23 are both installed in the outer handle hole 211, the locking member 22 is installed above the outer handle core 23, one end of the square rod core 3 is an installation part, the cross section is rectangular, and the square rod core 3 is installed in a square rod core installation hole 220 formed in the locking member 22 and can drive the locking member 22 to rotate. One end of the locking piece 22 is provided with a locking piece inclined surface 221, the bolt 24 is installed in an inner inserting pin hole 231 arranged on the outer handle core 23, the fixing hole 251 is arranged on the outer handle base 25, the positions of the locking piece inclined surface 221, the bolt 24 and the fixing hole 251 correspond to each other, the bolt 24 is provided with a bolt spring 241 for resetting the bolt 24, the bolt spring 241 is sleeved on the outer diameter of the bolt 24, and the bolt spring 241 and the bolt 24 are installed in the bolt hole 232 together.

After adopting above technical scheme, when the user was in indoor anticlockwise rotation interior handle 11, interior handle 11 drives square pole core 3, locking piece 22 anticlockwise rotation 90 degrees, and interior handle 11 is in vertical state up this moment. The locking member slope 221 provided at one side of the locking member 22 slides on the upper portion of the latch 24, and due to the height difference of the locking member slope 221, when the locking member slope 221 slides on the latch 24, the latch 24 is pressed downwards, the latch 24 is inserted into the fixing hole 251 corresponding to the position thereof, and at this time, the external handle 21 is fixed and cannot rotate. The lock body 51 can not be directly opened by rotating the external handle 21 when other people are outside the door and window, and the door and window are in a locking state at the moment.

When indoor people need open door and window, handle 11 to horizontal position in the clockwise rotation, handle 11 drives square pole core 3, locking piece 22 clockwise rotation 90 degrees, locking piece inclined plane 221 on the locking piece 22 slides to initial position, bolt inserted spring 241 resets and drives bolt 24 and break away from fixed orifices 251, and the user can rotate outer handle 21, drives outer handle core 23, square pole 4 rotation outside door and window to open lock body 51, door and window are in the open mode this moment, and the lock body can all be opened through inside and outside handle 11, 21 to the people inside and outside door and window.

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

In this embodiment, the number of the locking member slopes 221, the number of the latch 24 and the number of the fixing holes 251 are two, so that the locking is more firm.

Example four

Referring to fig. 9 to 12, in this embodiment, another technical solution of a locking unit is provided, in this embodiment, the locking unit includes an outer handle core groove 233, an outer handle seat positioning groove 252, a return spring 253, a square rod core groove 33, and a positioning block 6 movable in the outer handle core groove 233 and the outer handle seat positioning groove 252, the outer handle core groove 233 is disposed on a side of an outer handle core 23, specifically, a side of an outer handle core middle ring 232 in the middle of an outer handle core 2, and the square rod core groove 33 is disposed on a square rod core 3; the return spring 253 is installed in the outer handle seat positioning groove 252, the positioning block 6 is located at one side of the return spring 253, and the position of the square rod core groove 233 corresponds to the position of the positioning block 6.

After the technical scheme is adopted, when a user rotates the inner handle 11 in an indoor anticlockwise mode, the inner handle 11 drives the square rod core 3 to rotate by 90 degrees, and the inner handle is located in a vertical state upwards. Referring to 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, the positioning block 6 is partially positioned in the outer handle core 23 and partially positioned in the outer handle holder 25, so that the outer handle core 23 cannot rotate with respect to the outer handle holder 25, and thus the outer handle 21 is fixed to the outer handle holder, and cannot rotate. The lock body 51 can not be directly opened by rotating the external handle 21 when other people are outside the door and window, and the door and window are in a locking state at the moment.

When indoor people need open door and window, handle 11 to horizontal position in the clockwise rotation, handle 11 drives square pole core 3 and rotates to initial position, square pole core groove 33 on the square pole core 3 rotates to 6 departments of locating piece, reset spring 253 promotes locating piece 6 and removes to in the square pole core groove 33, locating piece 6 is whole to be moved back within outer handle core 23, and outer handle core 23 can rotate for outer handle seat 25 this moment, and door and window is in the state of opening this moment, and the lock body can all be opened through inside and outside handle 11, 21 to the people inside and outside door and window.

EXAMPLE five

Referring to fig. 13 to 16, the third technical solution of the locking unit is provided in this embodiment, the locking unit includes a pushing inclined plane 43, a square bar positioning portion 44, an outer handle seat positioning hole 252, and a spring 45, the pushing inclined plane 43 is located on an end surface of one end of the square bar 4, the square bar positioning portion 44 is located on the other side of the square bar 4, and the spring 45 is installed on the other end of the square bar 4. A square bar positioning protrusion 441 is disposed at the front end of the square bar positioning portion 44, the inner handle positioning hole 252 is located at one end of the outer handle seat 25, and the square bar positioning protrusion 441 corresponds to the outer handle seat positioning hole 252.

After the technical scheme is adopted, please refer to fig. in combination, when a user rotates the inner handle 11 in an indoor counterclockwise manner, the inner handle 11 drives the square rod core 3 to rotate by 90 degrees, and at the moment, the inner handle 11 is in an upward vertical state. Referring to fig. 14-17, the square rod core 3 drives the inner handle shaft 12 to rotate in the rotating process, the inner handle shaft protrusion 124 provided on the inner handle shaft 12 rotates on the pushing inclined plane 43, and due to a certain height difference of the pushing inclined plane 43, when the inner handle shaft protrusion 122 rotates thereon, the inner handle shaft protrusion 122 pushes the square rod 4 to move axially. Because the square rod 4 moves along the axial direction, the square rod positioning projection 441 arranged on the square rod 4 enters the outer handle seat positioning hole 252, and the square rod 4 cannot rotate. Because the external handle 21 is fixedly connected with the square rod 4, the square rod 4 cannot rotate, the external handle 21 cannot rotate, and other people cannot directly open the lock body 51 by rotating the external handle 21 outside the door and window, so that the door and window are in a locked state.

When the indoor people need open door and window, handle 11 to horizontal position in the clockwise rotation, square bar core 3 drives interior handle axle 12 and rotates at pivoted in-process, and interior handle axle bulge 124 that is equipped with on the interior handle axle 12 returns to original position, and interior handle axle bulge 124 no longer exerts axial pressure to square bar 4, spring 45 resets and pushes back square bar 4 and returns to original position, handle locating hole 252 in square bar location arch 441 leaves, square bar 4 just can rotate, and door and window is in the state of opening this moment, and the lock body can all be opened through interior outer handle 11, 21 to the people inside and outside door and window.

The third to fifth embodiments are all specific embodiments of the locking unit, and the locking unit in the present invention is not limited to the above embodiments. FIG. 17 is a schematic illustration of the embodiment after installation.

EXAMPLE six

Referring to fig. 1 to 8, in this embodiment, an inner handle positioning unit is further provided, where 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 a side surface of the inner handle base 13, the groove 123 is provided on a side surface of the inner handle shaft 12, and the marble 6 and the groove 123 are in contact connection. In this embodiment, the two balls 6 and the two ball springs 61 are respectively installed on the side of the inner handle base 13, and the number of the grooves 123 is four, and the grooves are uniformly distributed on the side of the inner handle shaft 12.

After the technical scheme above is adopted, when the user uses the handle in the rotation, every 90 degrees of rotation, marble 6 just falls into recess 123, and interior handle has comparatively definite screens, and the user also has better feeling.

EXAMPLE seven

Still provide a handle reset structure in this embodiment, please refer to fig. 18-20, including handle, handle core and handle seat, handle core fixed mounting is on handle, be equipped with handle core axis of rotation 234 on the handle core, be equipped with handle seat rotation groove 254 and spring 255 on the handle seat, handle seat rotation groove 254 is the circular arc groove, spring 255 is installed in handle seat rotation groove 254, handle core axis of rotation 234 is installed in handle seat rotation groove 254, and this handle core axis of rotation 234 is installed in 255 one side of spring, makes things convenient for the reset of compression spring 255 and spring 255.

In this embodiment, it is outer handle 21 to hold the handle, the handle core is outer handle core 23, the handle seat is outer handle seat 25, of course, it can install outside door and window to hold handle, handle core and handle seat, also can install within door and window and need the other places of installation, but handle core independent manufacturing installs on holding the handle, also can with handle integrated into one piece.

The handle resetting structure provided by the embodiment is arranged on a door and window frame of a door and window 5, the outer handle seat is arranged on the door and window frame, the outer handle 21 is rotatably mounted on the outer handle base 25, the number of the handle core rotating shaft 234, the number of the handle base rotating grooves 254 and the number of the springs 255 are two, the two handle core rotating shafts 234 are oppositely arranged on one surface of the outer handle core 23, the two handle base rotating grooves 254 are oppositely arranged on the outer handle base 25, the two springs 255 are respectively installed in the two handle base rotation grooves 254, the handle core rotation shaft 234 is located at one side of the spring 25, the height of the handle core rotating shaft 234 is equal to or less than the thickness of the handle base rotating groove 254, the diameter is less than the width of the handle base rotating groove 254, the design ensures that the handle core rotating shaft 234 can smoothly rotate in the handle seat rotating groove 254.

After the technical scheme is adopted, when a user rotates the outer handle 21, the outer handle 21 drives the handle core rotating shaft 234 to rotate in the handle seat rotating groove 254, the handle core rotating shaft 234 compresses the spring 255, and the spring 255 deforms; when the user releases the outside handle 21, the spring 255 returns to push the handle core rotating shaft 234 to move to the initial position in the handle base rotating groove 254, and the outside handle 21 returns to the initial position. Because above-mentioned simple structure and each spare part rational in infrastructure are firm, spring 255 is compression spring rather than the torsional spring, even if long-time high frequency is used, can not produce long-term use and can lead to its spring 255 elasticity to weaken, the not enough condition of power that resets and take place, the spring also can not produce the condition that metal fatigue even fracture.

Referring to fig. 18 to 20, the handle base rotation groove 254 includes a handle core rotation shaft groove 2541 and a spring groove 2542, a partition portion 2543 is provided between the handle core rotation shaft groove 2541 and the spring groove 2542, referring to fig. 18, when the outside handle 21 is at the initial position, the handle core rotation shaft 234 is located at one end of the handle core rotation shaft groove 2541, and the spring 255 is located within the handle core rotation shaft groove 2541 and the spring groove 2542. Referring to fig. 19, when the user rotates the outside handle 21, the outside handle 21 drives the handle core rotating shaft 234 to rotate to the other end of the handle core rotating shaft groove 2541, the spring 255 is compressed into the spring groove 2542 by the handle core rotating shaft 234, and the blocking portion 2543 blocks the movement of the handle core rotating shaft 234, so that the handle core rotating shaft 234 moves within the range of the handle core rotating shaft groove 2541.

After the technical scheme is adopted, the partition portion 2543 has two functions, namely, the movement range of the rotating shaft 234 of the handle core is limited, the rotation angle of the external handle 21 is also limited, and the external handle 21 rotates within a reasonable angle range; secondly, the minimum space of the spring 255 is ensured, the spring 255 is prevented from being excessively compressed to influence the elasticity of the spring, and the spring 255 can keep better elasticity in the long-term high-frequency use process.

Referring to fig. 1-8, the handle is an external handle 21, and in this embodiment, the handle further includes an internal handle 11 and a square shaft 4, one end of the square shaft 4 is connected to the internal handle 11, and the other end is connected to the external handle 21, and after the above technical solution is adopted, the external handle 21 and the internal handle 11 are connected through a square rod to form linkage. In the embodiment, handle core axis of rotation 234 is 20 degrees to 30 degrees at the angle of handle core axis of rotation 254 internal rotation, guarantees under the circumstances that the assurance user rotated handle range is little that door and window normally opens.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides a handle reset structure which characterized in that: including handle, handle core and handle seat, the handle core is installed on the handle, be equipped with handle core axis of rotation on the handle core, be equipped with handle seat rotation groove and spring on the handle seat, handle seat rotation groove is arc, spring mounting rotates within the groove in the handle seat, handle core axis of rotation is installed and is rotated within the groove in the handle seat, and the height of this handle core axis of rotation is equal to or is less than the thickness that handle seat rotated the groove, and the diameter is less than the width that handle seat rotated the groove.

2. The handle reducing structure of claim 1, wherein: handle seat is installed on the door and window frame, the rotatable installation of handle on handle seat, the quantity of handle core axis of rotation, handle seat rotation groove and spring is two, two handle core axes of rotation set up in the one side of handle core relatively, two handle seat rotate also open relatively of groove locate on handle seat, two springs are installed respectively within two handle seat rotation grooves, handle core axis of rotation is located one side of spring.

3. The handle reducing structure of claim 2, wherein: the handle is an outer handle arranged outside the door window, the handle core is an outer handle core, the handle seat is an outer handle seat, the outer handle seat is fixedly arranged on the door window, and the outer handle is rotatably arranged on the outer handle seat.

4. The handle reducing structure of claim 1, wherein: handle seat rotates the groove including the spring groove that holds the spring after the compression and the handle core axis of rotation groove that supplies the removal of handle core axis of rotation, the spring groove has the wall portion with handle core axis of rotation groove.

5. The handle reducing structure of claim 1, wherein: the handle is an outer handle, and further comprises an inner handle and a square shaft, one end of the square shaft is connected with the inner handle, and the other end of the square shaft is connected with the outer handle.

6. The handle reducing structure of claim 2, wherein: the angle of handle core axis of rotation at handle core axis of rotation inslot internal rotation is 20 degrees to 30 degrees.

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