CN211900069U - Universal handle for door and window - Google Patents

Abstract

The utility model provides a general handle of door and window relates to door and window subassembly technical field, has solved the general handle of door and window that exists among the prior art and need install different handle installation complicacy and the home decoration technical problem that lack the aesthetic feeling in the non-uniformity. The device includes the mount pad, with the rotatable handle body that sets up of mount pad, with handle body fixed connection's gear and the shift fork of detachable setting on the mount pad, is provided with rack portion on the shift fork, the center of gear is provided with the square hole, the both sides of gear are provided with first mounting hole, second mounting hole and third mounting hole, first mounting hole or second mounting hole are provided with the internal thread, the mount pad with the center of gear is central symmetrical structure. The utility model is used for indoor door and window, through setting up of shift fork and square hole for adaptation square shaft formula and shift fork formula, the setting of mount pad central symmetry formula and multiple mounting hole is used for adapting to interior division or open-type, uses the unified and simple to operate of handle when making the house ornamentation.

Description

Universal handle for door and window

Technical Field

The utility model belongs to the technical field of door and window subassembly technique and specifically relates to a general handle of door and window is related to.

Background

The handles in the existing market are single, for example, aluminum alloy sections can only use aluminum alloy handles (shift fork type or square shaft type), plastic steel sections can only use plastic steel handles (square shaft type), inward opening handles are used for inward opening windows, outward opening handles are used for outward opening windows, various handles are used independently, especially, no handle is used for doors and windows, the handles can be universal, the existing handles are too many in variety, messy, troublesome to install, low in manufacturing efficiency and not stable in quality, when the handles are used in the same room, the messy feeling is given to people, and therefore the handles for doors and windows need to be designed to meet the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a general handle of door and window has solved the general handle of door and window that exists among the prior art and need install different handle installation complicacy and the home decoration technical problem that lack the aesthetic feeling in non-unity. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of general handle of door and window, including the mount pad, with the rotatable handle body that sets up of mount pad, with handle body fixed connection's gear and detachable set up shift fork on the mount pad, be provided with rack portion on the shift fork, the gear with rack portion cooperatees, the center of gear is provided with the square hole, the both sides of gear are provided with first mounting hole, second mounting hole and third mounting hole, first mounting hole or the second mounting hole is provided with the internal thread, the mount pad with the center of gear is central symmetrical structure.

Preferably, the handle comprises a handle body and a mounting seat, and further comprises an outer cover plate and an inner cover plate which are arranged on the mounting seat, wherein the outer cover plate is arranged on one side, on which the handle body is arranged, of the mounting seat, and the inner cover plate is arranged on one side, on which the gear is arranged, of the mounting seat.

Preferably, the gear sets up the central point of mount pad puts, the gear include square spliced pole and with square spliced pole fixed connection's gear portion, the gear axial runs through and is provided with the mounting hole, the handle body includes handle end and link, the terminal surface perpendicular to of link the mount pad, terminal surface department is provided with the spliced eye, the spliced eye is the quad slit, the central point of mount pad puts and is provided with first through-hole, square spliced pole follows first through-hole passes and inserts in the spliced eye.

Preferably, the bottom of spliced eye is provided with the screw hole, the one end that the mounting hole is close to gear portion is the square hole, and the one end that is close to square spliced pole is the circular port, the diameter of circular port is less than the length of side of square hole, square spliced pole when pegging graft in the spliced eye, the circular port with screw hole intercommunication passes through bolted connection.

Preferably, a first gasket is arranged between the handle body and the mounting seat, the first gasket is connected with the mounting seat, and a second gasket is arranged between the gear and the mounting seat.

Preferably, be provided with the gear mounting groove on the mount pad, the left and right sides of gear mounting groove is followed be provided with the spout on the mount pad length direction, first mounting hole the second mounting hole and the third mounting hole is two sets of and symmetry sets up the upper and lower both sides of gear mounting groove, the gear is installed in the gear mounting groove, shift fork detachable sets up in the spout.

Preferably, the connecting end is further provided with a blind hole, an orifice of the blind hole is located in the end face, the blind holes are distributed in the circumferential direction of the outer side of the insertion hole, a positioning hole corresponding to the blind hole is formed in the first gasket, a spring is arranged in the blind hole, one end of the spring abuts against the bottom of the blind hole, and the other end of the spring is provided with a positioning bead.

Preferably, the shift fork includes rack portion, spacing piece and shifting fork piece, rack portion is located in the spout, spacing piece with the shifting fork piece sets up perpendicularly, works as the inner cover plate sets up when on the mount pad, the shifting fork piece salient in the inner cover plate, spacing piece is located the inner cover plate with between the mount pad, detachable is provided with the dog on the mount pad, the dog covers in the spout length direction on gear mounting groove one side does not set up the shift fork on the spout.

Preferably, be provided with on the interior apron with first mounting hole the second mounting hole and fourth mounting hole, fifth mounting hole and the sixth mounting hole that the third mounting hole corresponds, set up the screw thread in the sixth mounting hole, correspond on the interior apron the position of gear is provided with the second through-hole, the diameter of second through-hole is more than or equal to the diagonal length of square hole, the left side or the right side of interior apron are provided with the bar hole.

Preferably, the inner cover plate and the outer cover plate face towards a mounting protrusion is arranged on one side face of the mounting seat, mounting grooves are symmetrically formed in the end faces of the inner cover plate and the outer cover plate of the mounting seat, and the mounting protrusion is embedded into the mounting grooves when the inner cover plate and the outer cover plate are buckled on the mounting seat.

The utility model provides an among the technical scheme, including the mount pad, with the rotatable handle body that sets up of mount pad, with handle body fixed connection's gear and detachable setting shift fork on the mount pad, be provided with rack portion on the shift fork, the center of gear is provided with the square hole, setting through shift fork and square hole is used for adapting to square shaft formula and shift fork formula, the both sides of gear are provided with first mounting hole, second mounting hole and third mounting hole, first mounting hole or second mounting hole are provided with the internal thread, the mount pad with the center of gear is central symmetrical structure, the setting of mount pad central symmetrical formula and multiple mounting hole is used for adapting to interior division or exterior division formula, uses the unified and simple to operate of handle when making the house ornamentation.

The utility model discloses preferred technical scheme can also produce following technological effect at least: the mounting seat is provided with an outer cover plate and an inner cover plate, the outer cover plate is buckled on one side of the handle body and used for covering one side of the mounting bolt to enable the appearance to be attractive, and the inner cover plate covers the inner core structure of the handle and protects the inner core structure of the handle;

the gear is arranged in the center of the mounting seat, the centrosymmetric design of the mounting seat is easy to realize, the gear comprises a square connecting column and a gear part, the handle body comprises a handle end and a connecting end, the connecting end is provided with a splicing hole with a square structure, and the square connecting column is connected with the splicing hole, so that the gear can be driven to rotate when the handle body is rotated;

the bottom of the inserting hole is provided with a threaded hole, one end of the mounting hole, which is close to the gear part, is a square hole, one end of the mounting hole, which is close to the square connecting column, is a circular hole, the diameter of the circular hole is smaller than the side length of the square hole, and when the square connecting column is inserted into the inserting hole, the circular hole is communicated with the threaded hole and is connected with the threaded hole through a bolt, so that the connection of the bolt is realized to further;

the mounting seat is provided with a gear mounting groove, the left side and the right side of the gear mounting groove are provided with sliding grooves along the length direction of the mounting seat, the shifting fork is detachably arranged in the sliding grooves, and the sliding grooves on the two sides enable the shifting fork to be replaced in the arrangement position so as to complete the arrangement of the inner handle and the outer handle;

the link still is provided with the blind hole, and the blind hole is inside to be provided with the spring, sets up the location pearl on the spring, and the cooperation sets up the first packing ring of locating hole, realizes the location to the handle position, and spring compression location pearl shifts out the locating hole when rotating the handle, thereby the location pearl can enter into the locating hole when the handle return and realize the location.

The mounting seat is provided with a detachable stop block, the stop block covers a sliding chute which is not provided with a shifting fork at one side of the gear mounting hole in the length direction of the sliding chute, and when the shifting fork moves in the sliding chute under the driving of the rotation of the gear, the shifting fork can be limited to move under the action of the stop block, so that the rotation angle of the handle body is controlled;

the inner cover plate and the outer cover plate are provided with mounting protrusions, the mounting seat is provided with mounting grooves, and the inner cover plate and the outer cover plate are arranged on the mounting seat, and the mounting protrusions are embedded into the mounting grooves.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an explosion structure diagram of a shifting fork structure of a universal handle for doors and windows provided by the embodiment of the invention;

fig. 2 is a schematic view of the overall structure of a shift fork type of a universal handle for doors and windows provided by the embodiment of the present invention;

fig. 3 is a schematic view of an overall explosion structure of a universal handle for doors and windows provided by an embodiment of the present invention;

fig. 4 is a schematic view of a front three-dimensional structure of a gear according to an embodiment of the present invention;

fig. 5 is a schematic top view of a gear according to an embodiment of the present invention;

fig. 6 is a schematic view of a front three-dimensional structure of a mounting base provided in an embodiment of the present invention;

fig. 7 is a schematic rear three-dimensional structure view of a mounting seat provided in the embodiment of the present invention;

fig. 8 is a schematic three-dimensional structure diagram of a handle body according to an embodiment of the present invention;

fig. 9 is a schematic view of a three-dimensional structure of a shifting fork according to an embodiment of the present invention;

fig. 10 is a schematic view of a three-dimensional structure of an inner cover plate provided in an embodiment of the present invention;

fig. 11 is a schematic three-dimensional structure diagram of an outer cover plate according to an embodiment of the present invention;

fig. 12 is a schematic three-dimensional structure diagram of a first gasket according to an embodiment of the present invention.

FIG. 1-mounting base; 2-a handle body; 3-a gear; 4-a shifting fork; 5-a rack portion; 6-square hole; 7-a first mounting hole; 8-a second mounting hole; 9-a third mounting hole; 10-an outer cover plate; 11-inner cover plate; 12-a square connecting column; 13-a gear portion; 14-mounting holes; 15-handle end; 16-a connection end; 17-end face; 18-a plug hole; 19-a first via; 20-a threaded hole; 21-circular hole; 22-a first gasket; 23-a second gasket; 24-a gear mounting groove; 25-a chute; 26-blind holes; 27-positioning holes; 28-a spring; 29-a positioning bead; 30-limiting piece; 31-a shifting fork piece; 32-a stopper; 33-a fourth mounting hole; 34-a fifth mounting hole; 35-a sixth mounting hole; 36-a second via; 37-strip shaped holes; 38-mounting projections; 39-mounting grooves; 40-square axis.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The specific embodiment of the utility model provides a door and window universal handle as shown in figure 1, which comprises a mounting seat 1, a handle body 2 which can be rotatably arranged with the mounting seat 1, a gear 3 which is fixedly connected with the handle body 2 and a detachable shifting fork 4 which is arranged on the mounting seat 1, wherein the shifting fork 4 is provided with a rack part 5, the gear 3 is matched with the rack part 5, when the handle body 2 is rotated, the gear 3 which is fixedly connected with the gear can be driven to rotate, when the gear 3 is rotated, the rack part 5 which is matched with the gear can be driven to move, meanwhile, the shifting fork 4 moves to completely open the door, a square hole 6 is arranged at the center of the gear 3, a square shaft 40 is detachably arranged in the square hole 6, the gear 3 can drive the square shaft 40 to rotate, the corresponding door opening action can be also completed, the detachable connection of the shifting fork 4 and the square shaft 40 can be directly selected and used in a, in order to realize that the door and window universal handle can be arranged and used inside and outside a door and window, two sides of the gear 3 are provided with a first mounting hole 7, a second mounting hole 8 and a third mounting hole 9, the first mounting hole 7 or the second mounting hole 8 is provided with internal threads, different mounting holes are used according to different use setting positions, if the door and window is arranged outside, a mounting hole without threads is arranged in the first mounting hole 7 or the second mounting hole 8, if the door and window is arranged inside, the first mounting hole 7 or the second mounting hole 8 with the internal threads can be used for mounting, the mounting base 1 takes the center of the gear 3 as a central symmetrical structure, the symmetrical structure is arranged, the upper part of the mounting base is simultaneously matched with the handle bodies 2 which are not divided up and down to realize the structure which can be arranged inside and outside the door and window, and the design defect that a pair of door handles must be used can be avoided; the uniformity of indoor interior installation is improved, and the handle of the same style is installed to be more convenient.

For the aesthetic property that realizes the structure, still including setting up outer apron 10 and the interior apron 11 on mount pad 1, outer apron 10 sets up the one side that sets up handle body 2 on mount pad 1, and the setting of outer apron 10 is used for sheltering from the mounting hole on mount pad 1 or structures such as construction bolt make more pleasing to the eye in the outward appearance, and interior apron 11 sets up the one side that sets up gear 3 on mount pad 1, and interior apron 11 covers handle inner core structure and protects simultaneously.

Specific open door and window or outward opening door and window all can use for realizing the utility model discloses a mode that specific embodiment provided is as follows:

the gear 3 is arranged at the central position of the mounting seat 1, which is convenient for realizing the symmetrical structure of the mounting seat 1, the structure of the specific gear 3 is shown in figure 4 and figure 5, the gear 3 comprises a square connecting column 12 and a gear part 13 fixedly connected with the square connecting column 12, the square connecting column 12 is used for connecting the handle body 2, meanwhile, the gear 3 can be driven to rotate by the principle that the handle body 2 can not rotate in a square shape when rotating, the gear 3 is axially provided with a mounting hole 14 in a penetrating way, correspondingly, the handle body 2 shown in figure 8 comprises a handle end 15 and a connecting end 16, the handle end 15 is the same as a common handle and is used for gripping by hands, the connecting end 16 is used for contacting with the mounting seat 1 and connecting with the gear 3, therefore, the end surface 17 of the connecting end 16 is perpendicular to the mounting seat 1, the inserting hole 18 is arranged at the end surface 17, the inserting, a first through hole 19 is formed in the center of the mounting seat 1, the square connecting column 12 penetrates through the first through hole 19 and is inserted into the inserting hole 18, and the gear part 13 is arranged inside the mounting seat 1;

in order to facilitate the rotation between the handle body 2 and the mounting seat 1 and to achieve the return, a first gasket 22 and a second gasket 23 are required to be arranged, the first gasket 22 is arranged between the handle body 2 and the mounting seat 1, the first gasket 22 is connected with the mounting seat 1, the second gasket 23 is arranged between the gear 3 and the mounting seat 1, the second gasket 23 is a circular gasket, one end surface of the circular gasket contacts with the end surface of the gear part 13, the other end surface of the circular gasket contacts with the contact surface inside the mounting seat 1, the first gasket 22 is structured as shown in figure 12, a through hole for the square connecting column 12 to pass through is arranged inside the square gasket, in combination with the rear view of the mounting seat 1 in figure 7, the center of the first gasket 22 is a square hole which is matched with the mounting seat 1 provided with four positioning columns, when the first gasket 22 is arranged on the mounting seat 1, the four positioning columns are located at the four corners of the square hole of the, the first gasket 22 is placed to rotate, the positioning holes 27 are uniformly distributed around the square hole of the first gasket 22, the end face 17 of the handle body 2 is provided with a blind hole 26 structure matched with the positioning holes, the specific hole opening of the blind hole 26 is positioned on the end face 17, the blind holes 26 are multiple and are distributed on the periphery of the outer side of the inserting hole 18, the spring 28 is arranged in the blind hole 26, one end of the spring 28 abuts against the bottom of the blind hole 26, the other end of the spring 28 is provided with a positioning bead 29, when the handle body 2 is arranged on the mounting seat 1, the positioning bead 29 is positioned in the positioning hole 27, when the handle body 2 is rotated, the handle body 2 and the first gasket 22 rotate, the spring 28 is compressed, the positioning bead 29 is separated from the positioning hole 27 and enters into the blind hole 26, the handle body 2 rotates smoothly, when the handle body 2 is driven by human hands and is positioned in a return state, the positioning bead 29 enters into the positioning hole 27 under the acting force, the human hand can sense the action of the force, so that the original position is positioned.

In order to restrict the axial upward movement between the handle body 2 and the gear 3, the bottom of the insertion hole 18 is provided with a threaded hole 20, one end of the mounting hole 14 close to the gear part 13 is a square hole 6, one end close to the square connecting column 12 is a circular hole 21, the diameter of the circular hole 21 is smaller than the side length of the square hole 6, at the moment, a circle of boss form is formed as shown in the attached drawing 5, when the square connecting column 12 is inserted in the insertion hole 18, the circular hole 21 is communicated with the threaded hole 20 and is connected through a bolt, the bolt is inserted into the threaded hole 20 through the mounting hole 14 to be mounted, and the boss position can realize the effect of fastening the handle body 2.

In order to realize the matching with the gear 3, the mounting seat 1 is provided with a gear mounting groove 24, the gear mounting groove 24 is a cylindrical groove, the bottom of the groove is provided with a mounting groove of a second gasket 23 for mounting the second gasket 23, when the gear 3 is mounted in the gear mounting groove 24, the gear part 13 on the gear 3 protrudes out of the gear mounting groove 24, the left side and the right side of the gear mounting groove 24 are provided with sliding grooves 25 along the length direction of the mounting seat 1, the sliding grooves 25 are arranged in a way that the shifting forks 4 can be arranged on both sides so as to enable the handle to be turned over up and down, and correspondingly, the shifting fork type door handles can be used on the inner side and; when the gear 3 is installed on the gear installation groove 24, the teeth on the gear part 13 can extend into the sliding groove 25 to match with the rack part 5 on the shifting fork 4, the shifting fork 4 is detachably arranged in the sliding groove 25, the first installation hole 7, the second installation hole 8 and the third installation hole 9 are two groups and are symmetrically arranged on the upper side and the lower side of the gear installation groove 24 in the direction shown in figure 6, the gear 3 is installed in the gear installation groove 24, the length direction of the sliding groove 25 is vertically symmetrical along the gear installation groove 24, the shifting fork 4 can slide from the lower part of the sliding groove 25 to the upper part of the sliding groove 25, the long-distance transmission corresponds to 180-degree rotation of the handle body 2, in order to limit the handle body 2 to rotate 90 degrees, a stop block 32 can be detachably arranged on the installation seat 1, the stop block 32 covers the sliding groove 25 which is not provided with the shifting fork 4 on one side, the stop block 32 and the mounting seat 1 can be clamped in a convex and concave manner, and the mounting position can specifically shield the sliding grooves 25 on the left and right sides of the upper side or the lower side of the gear mounting groove 24, so that the shifting fork 4 can only move on the sliding grooves 25 at a half distance, and the rotation of the handle body 2 can be limited to 90 degrees.

The specific structure of the shifting fork 4 can be as shown in fig. 9, and includes a rack portion 5, a limiting piece 30 and a shifting fork piece 31, the rack portion 5 is located in the sliding groove 25, the limiting piece 30 is perpendicular to the shifting fork piece 31, when the inner cover plate 11 is disposed on the mounting base 1, the shifting fork piece 31 protrudes from the inner cover plate 11, the limiting piece 30 is located between the inner cover plate 11 and the mounting base 1, the rack portion 5 is matched with the gear portion 13, and the limiting piece 30 limits the shifting fork 4 to move.

The inner cover plate 11 is provided with a fourth mounting hole 33, a fifth mounting hole 34 and a sixth mounting hole 35 corresponding to the first mounting hole 7, the second mounting hole 8 and the third mounting hole 9, threads are arranged in the sixth mounting hole 35, the third mounting hole 9 and the sixth mounting hole 35 are used in a mode of symmetrical mounting screws on the door, the third mounting hole 9 on the inner side or the outer side of the door penetrates through the third mounting hole 9 and then is matched with the sixth mounting hole 35 on the outer side or the inner side of the door to realize fastening, the third mounting hole 9 can be provided with threads for realizing stable mounting, a second through hole 36 is arranged on the inner cover plate 11 corresponding to the gear 3, the diameter of the second through hole 36 is larger than or equal to the diagonal length of the square hole 6, so that the square shaft 40 can penetrate through the inner cover plate and the rotation of the square shaft 40 is not influenced, a strip-shaped hole 37 is arranged on the left side or the right side of the inner cover plate 11, the direction here is the same with the well direction of figure 10, perhaps all sets up bar hole 37 in the both sides of interior apron 11, when the handle that needs to be changed when unilateral sets up bar hole 37 and installs in the door or when the door is outer, only needs to make inner decking 11 rotate 180 degrees alright adjust the mounted position of bar hole 37 with the adaptation shift fork 4.

The connection mode between the inner cover plate 11 and the outer cover plate 10 and the mounting base 1 is as follows, a mounting protrusion 38 is arranged on one side face of the inner cover plate 11 and the outer cover plate 10 facing the mounting base 1, as shown in fig. 10 and 11, and a mounting groove 39 is arranged at a symmetrical position on the end face 17 of the mounting base 1 facing the inner cover plate 11 and the outer cover plate 10, as shown in fig. 6 and 7, when the inner cover plate 11 and the outer cover plate 10 are buckled on the mounting base 1, the mounting protrusion 38 is embedded into the mounting groove 39, and the mode is convenient to detach and convenient to replace or repair.

The shifting fork type handle and the square shaft type handle are switched, for example, the shifting fork type handle in the structure of the shifting fork type handle in the attached figure 2 can be used by removing the shifting fork 4 and replacing the square shaft 40,

the above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A universal handle for doors and windows is characterized by comprising a mounting seat (1), a handle body (2) which is rotatably arranged with the mounting seat (1), a gear (3) which is fixedly connected with the handle body (2) and a shifting fork (4) which is detachably arranged on the mounting seat (1), a rack part (5) is arranged on the shifting fork (4), the gear (3) is matched with the rack part (5), a square hole (6) is arranged in the center of the gear (3), a square shaft (40) is detachably arranged in the square hole (6), a first mounting hole (7), a second mounting hole (8) and a third mounting hole (9) are arranged on two sides of the gear (3), the first mounting hole (7) or the second mounting hole (8) is provided with an internal thread, the mounting seat (1) is in a central symmetrical structure by taking the center of the gear (3) as a center.

2. The door and window universal handle according to claim 1, further comprising an outer cover plate (10) and an inner cover plate (11) which are arranged on the mounting seat (1), wherein the outer cover plate (10) is arranged on one side of the mounting seat (1) where the handle body (2) is arranged, and the inner cover plate (11) is arranged on one side of the mounting seat (1) where the gear (3) is arranged.

3. The door and window universal handle according to claim 1, wherein the gear (3) is arranged at a central position of the mounting seat (1), the gear (3) comprises a square connecting column (12) and a gear portion (13) fixedly connected with the square connecting column (12), a mounting hole (14) is axially arranged in a penetrating manner in the gear (3), the handle body (2) comprises a handle end (15) and a connecting end (16), an end surface (17) of the connecting end (16) is perpendicular to the mounting seat (1), an insertion hole (18) is arranged at the end surface (17), the insertion hole (18) is a square hole, a first through hole (19) is arranged at the central position of the mounting seat (1), and the square connecting column (12) penetrates through the first through hole (19) and is inserted into the insertion hole (18).

4. The door and window universal handle as claimed in claim 3, wherein a threaded hole (20) is formed in the bottom of the insertion hole (18), the square hole (6) is formed in one end, close to the gear portion (13), of the mounting hole (14), a circular hole (21) is formed in one end, close to the square connecting column (12), of the mounting hole, the diameter of the circular hole (21) is smaller than the side length of the square hole (6), and when the square connecting column (12) is inserted into the insertion hole (18), the circular hole (21) is communicated with the threaded hole (20) and connected with the threaded hole through a bolt.

5. The universal handle for doors and windows according to claim 3, characterized in that a first gasket (22) is arranged between the handle body (2) and the mounting seat (1), the first gasket (22) is connected with the mounting seat (1), and a second gasket (23) is arranged between the gear (3) and the mounting seat (1).

6. The universal door and window handle as claimed in claim 2, wherein a gear mounting groove (24) is formed in the mounting seat (1), sliding grooves (25) are formed in the left side and the right side of the gear mounting groove (24) along the length direction of the mounting seat (1), the first mounting hole (7), the second mounting hole (8) and the third mounting hole (9) are two groups and are symmetrically arranged on the upper side and the lower side of the gear mounting groove (24), the gear (3) is mounted in the gear mounting groove (24), and the shifting fork (4) is detachably arranged in the sliding grooves (25).

7. The door and window universal handle according to claim 5, wherein the connecting end (16) is further provided with a blind hole (26), the hole opening of the blind hole (26) is located on the end surface (17), the blind holes (26) are distributed on the outer circumferential direction of the inserting hole (18), a positioning hole (27) corresponding to the blind hole (26) is formed in the first gasket (22), a spring (28) is arranged inside the blind hole (26), one end of the spring (28) abuts against the bottom of the blind hole (26), and the other end of the spring (28) is provided with a positioning bead (29), and when the handle body (2) is arranged on the mounting seat (1), the positioning bead (29) is located in the positioning hole (27).

8. The door and window universal handle according to claim 6, wherein the shifting fork (4) comprises the rack portion (5), a limiting piece (30) and a shifting fork piece (31), the rack portion (5) is located in the sliding groove (25), the limiting piece (30) and the shifting fork piece (31) are vertically arranged, when the inner cover plate (11) is arranged on the mounting seat (1), the shifting fork piece (31) protrudes out of the inner cover plate (11), the limiting piece (30) is located between the inner cover plate (11) and the mounting seat (1), a stop block (32) is detachably arranged on the mounting seat (1), and the stop block (32) covers the sliding groove (25) in the length direction, and the gear mounting groove (24) side is not provided with the sliding groove (25) of the shifting fork (4).

9. The door and window universal handle according to claim 2, wherein a fourth mounting hole (33), a fifth mounting hole (34) and a sixth mounting hole (35) corresponding to the first mounting hole (7), the second mounting hole (8) and the third mounting hole (9) are arranged on the inner cover plate (11), a thread is arranged in the sixth mounting hole (35), a second through hole (36) is arranged on the inner cover plate (11) corresponding to the gear (3), the diameter of the second through hole (36) is larger than or equal to the diagonal length of the square hole (6), and a strip-shaped hole (37) is arranged on the left side or the right side of the inner cover plate (11).

10. The door and window universal handle as claimed in claim 2, wherein a mounting protrusion (38) is provided on one side of the inner cover plate (11) and the outer cover plate (10) facing the mounting seat (1), a mounting groove (39) is provided on the end surface (17) of the mounting seat (1) facing the inner cover plate (11) and the outer cover plate (10) at a symmetrical position, and the mounting protrusion (38) is embedded into the mounting groove (39) when the inner cover plate (11) and the outer cover plate (10) are buckled on the mounting seat (1).

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