Baseless handle

Abstract

The application discloses a handle without base, which is installed on a section bar and connected with a transmission mechanism arranged in the section bar. The handle without base comprises a handle body and a connecting assembly. One end of the connecting assembly is connected with the handle body, and the other end of the connecting assembly is in transmission connection with the transmission mechanism. The handle without base further comprises a fixing piece, which is used for being fixed on the section bar. The fixing piece is provided with a second through hole, and the connecting assembly is arranged in the second through hole. The second through hole is used for radially limiting the connecting assembly. The application only limits the connecting assembly in the radial direction through the fixing piece. The second through hole on the fixing piece can ensure higher machining precision, so that the connecting assembly can be kept stable during rotation, and unnecessary parts are reduced. The handle without base has the advantages of simple and compact structure.

Description

Technical Field

[0001] This invention relates to the field of door and window hardware technology, and in particular to a baseless handle. Background Technology

[0002] In door and window systems, handles are an important component. During the opening and closing of doors and windows, the handle is connected to the transmission mechanism inside the door or window via a connecting shaft. When the connecting shaft is rotated by the handle, the transmission components inside the transmission mechanism are moved to achieve the opening and closing of the door or window.

[0003] Common handles can be divided into base-mounted handles and baseless handles. Compared to base-mounted handles, baseless handles remove the base accessory used for installation on doors and windows, placing the mounting hardware inside the handle. This results in a simpler and more elegant appearance for baseless handles, but also leads to more internal components, a more complex structure, and certain cost constraints. Additionally, common handles require holes to be drilled in the profile. These holes are designed to allow the square shaft to pass through and connect to the drive housing, and also to secure the handle to the profile. However, due to machining errors, the holes are sometimes too large, resulting in a significant gap between the square shaft and the hole, making the handle prone to wobbling in the vertical direction. Summary of the Invention

[0004] The purpose of this invention is to provide a baseless handle, which aims to solve the problems of complex installation structures in existing handles and the wobbling problem caused by processing errors.

[0005] To solve the above-mentioned technical problems, the objective of this invention is achieved through the following technical solution: providing a baseless handle, which is installed on a profile and connected to a transmission mechanism provided inside the profile. The baseless handle includes a handle body and a connecting component; one end of the connecting component is connected to the handle body, and the other end of the connecting component is connected to the transmission mechanism.

[0006] It also includes a fastener for fixing to the profile, the fastener having a second through hole, the connecting component passing through the second through hole, the second through hole for radially limiting the connecting component.

[0007] Furthermore, the transmission mechanism is provided with an anti-tilting component, and the fixing component has multiple fixing holes, each of which is provided with a first screw for connecting the anti-tilting component.

[0008] Furthermore, the connecting assembly includes a connecting shaft, one end of which is axially inserted into the handle body and inserted into the handle body by a second screw, and is detachably connected to the connecting shaft.

[0009] Furthermore, the connecting assembly also includes a third screw that axially passes through the connecting shaft. The transmission mechanism has a rotating wheel, and the third screw is threadedly connected to the rotating wheel so that the connecting shaft is connected to the rotating wheel.

[0010] Furthermore, the connecting assembly includes a connecting shaft and a flange disposed along the circumferential outer wall of the connecting shaft, and the fastener abuts against the flange on the side facing the profile direction.

[0011] Furthermore, the fixing member is provided with a protruding pressure ring along the axial direction of the second through hole, and the protruding pressure ring is pressed against the flange in the direction of the rotating wheel.

[0012] Furthermore, the connecting assembly includes a first connecting shaft, a second connecting shaft, and a fourth screw. The first connecting shaft abuts against the second connecting shaft, and the abutting surfaces of the first and second connecting shafts are beveled. The fourth screw axially passes through the first and second connecting shafts in sequence and is threaded onto the second connecting shaft. The second connecting shaft can be offset away from the first connecting shaft through the fourth screw. The transmission mechanism is provided with a rotating wheel, and the first and second connecting shafts are inserted into the rotating wheel. When the second connecting shaft is offset relative to the first connecting shaft, the first and second connecting shafts abut against both sides of the inner wall of the rotating wheel.

[0013] Furthermore, an elastic positioning component is provided between the handle body and the fixing member, the elastic positioning component being used to generate a positioning force when the handle body rotates.

[0014] Furthermore, the elastic positioning component includes multiple springs, multiple steel balls, and a limiting plate. Multiple mounting holes are provided on the front end face of the handle body. The limiting plate is mounted on the front end face of the handle body and has corresponding locking holes. One end of each of the multiple springs is installed in one of the mounting holes, and each of the multiple steel balls is positioned between the other end of each spring and the locking hole of the limiting plate. The multiple springs are compressed and press against the multiple steel balls so that a portion of the steel ball protrudes outside the locking hole.

[0015] The fastener has multiple positioning holes, and the protruding parts of the multiple steel balls abut against the multiple positioning holes.

[0016] Furthermore, a shallow hole is provided on the front end face of the handle body, which is used to accommodate the fixing member.

[0017] Furthermore, four springs are provided, and four steel balls are provided corresponding to the springs.

[0018] Furthermore, the connecting shaft is configured to have a polygonal prism shape.

[0019] This invention provides a baseless handle, mounted on a profile and connected to a transmission mechanism within the profile. The baseless handle includes a handle body, a fixing member, and a connecting assembly. One end of the connecting assembly is connected to the handle body, and the other end passes through a first through hole in the profile and connects to the transmission mechanism. The fixing member has a second through hole, through which it is fitted onto the connecting assembly and fixed to the profile surface. This invention uses only the fixing member for radial positioning of the connecting assembly. The second through hole in the fixing member ensures higher machining accuracy, thereby ensuring stability during rotation of the connecting assembly. It also reduces unnecessary parts, resulting in a simple and compact structure. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 An exploded structural diagram illustrating the connection between the baseless handle and the profile and transmission mechanism provided in an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure of a fastener provided in an embodiment of the present invention;

[0023] Figure 3 A side sectional view of a fastener provided in an embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of the internal structure of the handle body provided in an embodiment of the present invention;

[0025] Figure 5 This is a schematic diagram of the internal components of the handle body provided in an embodiment of the present invention;

[0026] Figure 6 This is a schematic diagram of the structure of a rotating wheel provided in an embodiment of the present invention;

[0027] Figure 7 This is a schematic diagram of another connecting component provided in an embodiment of the present invention;

[0028] Figure 8 This is a schematic diagram of another rotating wheel provided in an embodiment of the present invention;

[0029] Figure 9 This is a schematic diagram of another fastener provided in an embodiment of the present invention;

[0030] Figure 10 This is a schematic diagram of the structure of the limiting piece provided in an embodiment of the present invention;

[0031] Figure 11 A cross-sectional view of the connection between a baseless handle and a profile and transmission mechanism provided in an embodiment of the present invention;

[0032] Figure 12 Provided for embodiments of the present invention Figure 11 A magnified structural diagram of part A in the middle;

[0033] Figure 13 This is a cross-sectional view of another baseless handle connected to the profile and transmission mechanism according to an embodiment of the present invention;

[0034] Figure 14 Provided for embodiments of the present invention Figure 13 A magnified structural diagram of part B in the middle;

[0035] Figure 15 This is a cross-sectional view of the connection between the baseless handle and the profile and transmission mechanism provided in another embodiment of the present invention;

[0036] Figure 16 Provided for embodiments of the present invention Figure 15 A magnified structural diagram of a local area C;

[0037] Figure 17 An exploded view of another connecting component provided in an embodiment of the present invention.

[0038] Explanation of the markings in the image:

[0039] 1. Handle body; 11. Second screw; 12. Spring; 13. Steel ball; 14. Shallow hole; 15. Deep hole; 16. Second threaded hole; 17. Mounting hole; 18. Limiting piece; 181. Locking hole;

[0040] 2. Fastener; 21. First screw; 22. Second through hole; 23. Positioning hole; 24. Fixing hole; 25. Protruding pressure ring; 26. Positioning boss;

[0041] 3. Connecting shaft; 31. Third screw; 32. Flange; 33. First connecting shaft; 34. Second connecting shaft; 35. Fourth screw;

[0042] 4. Profile; 41. First through hole; 42. Third through hole;

[0043] 5. Transmission mechanism; 51. Rotating wheel; 511. Square hole; 512. First threaded hole; 52. Anti-tilting component. Detailed Implementation

[0044] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0045] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0046] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0047] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0048] Combination Figure 1 and Figure 2 As shown, this embodiment of the invention provides a baseless handle, which is installed on a profile 4 and connected to a transmission mechanism 5 disposed within the profile 4. The baseless handle includes a handle body 1 and a connecting component; one end of the connecting component is connected to the handle body 1, and the other end of the connecting component is connected to the transmission mechanism 5; it also includes a fixing member 2, which is used to fix it on the profile 4. The fixing member 2 has a second through hole 22, through which the connecting component passes. The second through hole 22 is used to radially limit the connecting component.

[0049] The baseless handle in this embodiment can be applied to the door and window field. When used on doors and windows, the profile 4 is a door leaf or window leaf, and the transmission mechanism 5 is a transmission mechanism set inside the opening and closing side of the door leaf or window leaf. By driving the baseless handle of this embodiment in conjunction with the transmission mechanism 5, the opening and closing of the door leaf or window leaf relative to the door frame or window frame can be realized.

[0050] In this embodiment, the handle body 1 can be an L-shaped structure. One end of the handle body 1 is used as the front face for installation. One end of the connecting component is fixedly inserted into the front face of the handle body 1. The fixing member 2 can be a circular plate-like structure. The second through hole 22 can be opened in the center of the fixing member 2. During installation, the second through hole 22 is fitted onto the connecting component. The other end of the connecting component passes through the first through hole 41 and is connected to the transmission mechanism 5, thus completing the installation. By rotating the handle body 1, the connecting component can be rotated, thereby driving the transmission mechanism to work and realize the opening and closing of the door and window. The fixing member 2 provides radial limit for the connecting component, thereby improving the stability of the connecting component and thus improving the stability of the entire baseless handle.

[0051] In contrast, existing handle structures achieve structural stability by setting up complex fittings within the handle body 1; while this embodiment achieves stability of the baseless handle with only one fastener 2, which has the advantages of simple structure and convenient assembly.

[0052] In one embodiment, the transmission mechanism 5 is provided with an anti-tilting member 52, and the fixing member 2 is provided with a plurality of fixing holes 24, and a plurality of first screws 21 for connecting the anti-tilting member 52 are respectively provided in the plurality of fixing holes 24.

[0053] In this embodiment, when installing the fastener 2, it can be fixedly connected to the anti-tilting member 52 by passing the first screw 21 through the fixing hole 24 and the profile 4 on the fastener 2, or it can be fixedly connected directly to the profile 4 by the first screw 21.

[0054] Preferably, in this embodiment, the fixing member 2 is fixedly connected to the anti-tilting member 52 of the transmission mechanism 5 to achieve a more stable connection.

[0055] In some implementations, the profile 4 has a third through hole 42 corresponding to multiple fixing holes 24. The fastener 2 is threaded to the anti-tilting member 52 by multiple first screws 21 passing through the fixing holes 24 and the third through hole 42 respectively, so as to realize the threaded fixed connection between the fastener 2 and the anti-tilting member 52.

[0056] Please see Figure 3 The fastener 2 is provided with a positioning boss 26 along the axial direction of the fixing hole 24. When the fastener 2 is installed on the surface of the profile 4, the positioning boss 26 is engaged with the third through hole 42 on the profile 4 to play a positioning role and facilitate the installation of the fastener 2.

[0057] In some implementations, the anti-tilting member 52 can be a structural component with a threaded hole. The anti-tilting member 52 is slidably installed in the transmission mechanism. When the first screw 21 is threadedly engaged with the anti-tilting member 52, the anti-tilting member 52 can be pulled away from the transmission mechanism, thereby clamping the profile 4 and achieving a stable installation.

[0058] It is readily apparent that due to machining errors, the inner diameter of the first through hole 41 on the profile 4 may be relatively large, increasing the gap between the connecting shaft 3 and the first through hole 41, causing the handle body 1 to wobble easily after installation. Therefore, a fixing member 2 is fitted onto the connecting shaft 3 and fixed to the surface of the profile 4. As a sheet-like structure, the second through hole 22 opened on the central axis of the fixing member 2 allows for more precise machining compared to opening the first through hole 41 on the profile 4, ensuring a reasonable gap between the second through hole 22 and the connecting shaft 3.

[0059] In some implementations, a shallow hole 14 is provided on the front end face of the handle body 1. The shallow hole 14 is used to accommodate the fastener 2, which allows the front end face of the handle body 1 to fit more closely with the surface of the profile 4, avoiding gaps that could cause loosening.

[0060] The structure of the connection component in this application is described in detail below:

[0061] In one embodiment ( Figure 11 and Figure 12 (A schematic diagram showing the assembled state in this embodiment):

[0062] The connecting assembly includes a connecting shaft 3, one end of which is connected to the handle body 1, and the other end of which is connected to the transmission mechanism 5. The inner diameter of the first through hole 41 is greater than or equal to the maximum profile of the connecting shaft 3, so that the connecting shaft 3 passes through the first through hole 41 and connects to the transmission mechanism 5, thereby operating the connecting shaft 3 through the handle body 1 to realize the operation of the transmission mechanism 5.

[0063] Among them, combined Figure 4 The front end face of the handle body 1 has a deep hole 15. One end of the connecting shaft 3 is inserted into the deep hole 15. After the connecting shaft 3 is inserted into the deep hole 15 of the handle body 1, it is radially screwed into the second threaded hole 16 on the handle body 1 by the second screw 11 and abuts against the connecting shaft 3, so as to realize the detachable connection between the handle body 1 and one end of the connecting shaft 3.

[0064] Combination Figure 1 and Figure 6 As shown, the connecting assembly also includes a third screw 31, which axially penetrates the connecting shaft 3. The transmission mechanism 5 is provided with a rotating wheel 51. The other end of the connecting shaft 3 is threadedly connected to the rotating wheel 51 through the third screw 31 to achieve a fixed connection with the rotating wheel 51, ensuring the stability of the connecting shaft 3 connected to the rotating wheel 51.

[0065] In this embodiment, the connecting shaft 3 is shaped like a polygonal prism, and the center of the rotating wheel 51 has a roughly stepped hole shape, which includes a square hole 511 and a first threaded hole 512 opened in the center of the square hole 511; wherein, the outline of the square hole 511 is larger than the diameter of the first threaded hole 512. The other end of the connecting shaft 3 is inserted into the square hole 511 of the rotating wheel 51, and after the third screw 31 passes through to the other end of the connecting shaft 3, it is threaded into the first threaded hole 512, thereby realizing the fixed connection between the connecting shaft 3 and the rotating wheel 51, thereby realizing the transmission connection between the handle body 1 and the rotating wheel 51, and further realizing the transmission connection between the handle body 1 and the transmission mechanism 5.

[0066] The number of edges of the connecting shaft 3 is matched with the number of edges of the square hole 511 to accommodate the connection between the connecting shaft 3 and the rotating wheel 51.

[0067] In another embodiment ( Figure 13 and Figure 14 (A schematic diagram showing the assembled state in this embodiment):

[0068] The connecting components include connecting shaft 3 (reference). Figure 7 The transmission mechanism 5 contains a rotating wheel 51 (see reference). Figure 8 The center of the rotating wheel 51 is provided with a square hole 511 corresponding to the connecting shaft 3. One end of the connecting shaft 3 is connected to the handle body 1, and the other end of the connecting shaft 3 passes through the first through hole 41 of the profile 4 and is inserted into the square hole 511 to realize the insertion connection between the connecting shaft 3 and the rotating wheel 51.

[0069] Furthermore, a flange 32 is provided on the outer circumferential wall of the connecting shaft 3. The side of the fixing member 2 facing the profile 4 is fixedly pressed against the flange 32. When the fixing member 2 is fixedly connected to the transmission mechanism 5 or the profile 4, the side of the fixing member 2 facing the profile 4 can press the flange 32 of the connecting shaft 3 against the direction of the rotating wheel 51, so that the other end of the connecting shaft 3 can be inserted into the rotating wheel 51 to restrict the axial movement of the connecting shaft 3.

[0070] In some implementation methods, combined Figure 9 The fastener 2 has a protruding pressure ring 25 along the axial direction of the second through hole 22. The protruding pressure ring 25 is used to press against the flange 32 in the direction toward the rotating wheel 51, which improves the stability of the connecting shaft 3 pressing against the rotating wheel 51.

[0071] In another embodiment, ( Figure 15 , Figure 16 and Figure 17 (A schematic diagram showing the assembled state in this embodiment):

[0072] The connecting assembly includes a first connecting shaft 33, a second connecting shaft 34, and a fourth screw 35. The first connecting shaft 33 abuts against the second connecting shaft 34, and the abutting surfaces of the first connecting shaft 33 and the second connecting shaft 34 are beveled. The fourth screw 35 axially passes through the first connecting shaft 33 and the second connecting shaft 34 in sequence. The fourth screw 35 is threaded onto the second connecting shaft 34. The second connecting shaft 34 can be offset away from the first connecting shaft 33 by the fourth screw 35. The transmission mechanism 5 is provided with a rotating wheel 51, which has a square hole 511. The first connecting shaft 33 and the second connecting shaft 34 are inserted into the square hole 511. When the second connecting shaft 34 is offset relative to the first connecting shaft 33, the first connecting shaft 33 and the second connecting shaft 34 respectively abut against the two sides of the inner wall of the square hole 511 of the rotating wheel 51.

[0073] In this embodiment, the first connecting shaft 33 and the second connecting shaft 34 abut against each other, and the abutting surface is a beveled surface at a certain angle in the radial direction of the first connecting shaft 33 and the second connecting shaft 34. The first connecting shaft 33 may have a through hole or a receiving groove, and the second connecting shaft 34 may have a threaded through hole. The fourth screw 35 passes through the first connecting shaft 33 and is threaded to the second connecting shaft 34. Thus, the second connecting shaft 34 can be offset away from the first connecting shaft 33 by the fourth screw 35.

[0074] Furthermore, after the first connecting shaft 33 and the second connecting shaft 34 are fixed by the fourth screw 35, they are inserted into the square hole 511 of the rotating wheel 51. When the fourth screw 35 is turned, the second connecting shaft 34 moves along the inclined plane (i.e., it shifts away from the first connecting shaft 33), thereby causing the first connecting shaft 33 and the second connecting shaft 34 to press against the square hole 511 of the rotating wheel 51, thereby pressing against both sides of the inner wall of the square hole 511, increasing the friction between the first connecting shaft 33 and the second connecting shaft 34 and the rotating wheel 51, so that the entire connecting assembly cannot be pulled out from the square hole 511 of the rotating wheel 51.

[0075] It should be noted that by dividing the connecting assembly into a first connecting shaft 33 and a second connecting shaft 34 and inserting them into the rotating wheel 51, the contact surfaces of the first connecting shaft 33 and the second connecting shaft 34 are beveled surfaces, and the second connecting shaft 34 can deviate from the first connecting shaft 33 along the beveled surface. The fourth screw 35 of this structure is threadedly connected to the second connecting shaft 34, so there is no need to open a threaded hole in the rotating wheel 51. Therefore, it can be applied to ordinary transmission housings.

[0076] The diameter of the axial through hole or receiving groove of the first connecting shaft 33 is larger than the outer diameter of the fourth screw 35, so as to allow the fourth screw 35 to pass through.

[0077] In one embodiment, an elastic positioning component is provided between the handle body 1 and the fixing member 2. The elastic positioning component is used to generate a positioning force when the handle body 1 rotates.

[0078] In this embodiment, an elastic positioning component is provided between the fixing member 2 and the handle body 1. When the handle body 1 is rotated, the elastic positioning component plays the role of positioning the handle body 1, so that the handle body 1 rotates to a certain angle and stops, thereby sensing the position of the handle body 1 within the transmission mechanism 5.

[0079] In a more specific embodiment, the elastic positioning component includes multiple springs 12, multiple steel balls 13, and a limiting plate 18. Multiple mounting holes 17 are provided on the front end face of the handle body 1. The limiting plate 18 is mounted on the front end face of the handle body 1 and has locking holes 181 corresponding one-to-one with the multiple mounting holes 17 (see reference). Figure 10 Multiple springs 12 are installed one-to-one in the mounting holes 17, and multiple steel balls 13 are set one-to-one between the other ends of multiple springs 12 and the locking holes 181 of the limiting piece 18. The steel balls 13 protrude out of the locking holes 181. The fixing member 2 has multiple positioning holes 23, and the protruding parts of the steel balls 13 abut against the multiple positioning holes 23.

[0080] In this embodiment, the number of locking holes 181 of the spring 12, steel ball 13, and limiting plate 18 corresponds one-to-one with the number of mounting holes 17 of the handle body 1. Preferably, there are four springs 12 and four steel balls 13, and correspondingly four locking holes 181 and four mounting holes 17. The position of the locking hole 181 on the limiting plate 18 corresponds to the position of the mounting hole 17 on the handle body 1. The diameter of the locking hole 181 is slightly smaller than the diameter of the mounting hole 17, and the diameter of the steel ball 13 is between the diameters of the locking hole 181 and the mounting hole 17, so that the steel ball 13 can remain in the mounting hole 17.

[0081] Combination Figure 1 , Figure 2 and Figure 5 The specific structure for installing spring 12 and steel ball 13 is as follows:

[0082] One end of the spring 12 is installed in the mounting hole 17 of the handle body 1, and the other end of the spring 12 abuts against the steel ball 13. The spring force of the spring 12 locks the steel ball 13 into the locking hole 181 of the limiting piece 18. The diameter of the locking hole 181 is smaller than the diameter of the steel ball 13, ensuring that the steel ball 13 can protrude out of the locking hole 181 and will not fall out of the locking hole 181.

[0083] It should be noted that the limiting structure of the steel ball 13 is not limited to using the limiting plate 18. After the spring 12 and the steel ball 13 are installed, the opening of the mounting hole 17 can be processed to reduce the diameter of the opening, so that the steel ball 13 can protrude from the opening of the mounting hole 17 and will not fall out of the mounting hole 17. At this time, the limiting plate 18 structure can be removed to reduce internal parts, or other methods that can restrict the steel ball 13 from falling out of the mounting hole 17 can also be used. The ultimate goal is to ensure that the steel ball 13 can protrude and abut against the fixing member 2, and to ensure that the steel ball 13 will not fall out of the mounting hole 17.

[0084] Correspondingly, four positioning holes 23 are evenly arranged on the circumferential periphery of the second through hole 22 on the fixing member 2, so that the four steel balls 13 abut against the four positioning holes 23 respectively. The positions of the positioning holes 23 on the fixing member 2 correspond to the positions of the locking holes 181 on the limiting piece 18, and the diameter of the positioning holes 23 is smaller than the diameter of the locking holes 181, so as to ensure that the steel balls 13 can protrude from the locking holes 181 and abut against the positioning holes 23.

[0085] It is understandable that the spring 12 and the steel ball 13 are designed to provide angular positioning when the handle body 1 rotates. The handle body 1 achieves positioning once every 90° rotation.

[0086] Based on the above description, the handle body 1 of this application is connected to the rotating wheel 51 of the transmission mechanism 5 via the connecting shaft 3, and then fixed to the profile 4 by the fixing member 2, which improves the stability of the handle body 1 during operation. Then, the spring 12 and steel ball 13 are directly installed inside the handle body 1 to give it a positioning function. Compared with the existing baseless handles, the structure is simple, the number of accessories is reduced, the installation process is reduced, and the cost is saved and the installation efficiency is improved to a certain extent.

[0087] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and these modifications or substitutions should all be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A baseless handle mounted on a profile and connected with a transmission mechanism arranged in the profile, the baseless handle comprising a handle body and a connecting assembly, one end of the connecting assembly being connected with the handle body, the other end of the connecting assembly being in transmission connection with the transmission mechanism, characterized in that: a fixing member is further arranged for fixing on the profile, the fixing member being provided with a second through hole, the connecting assembly being arranged in the second through hole, the second through hole being used for radially limiting the connecting assembly; the connecting assembly comprises a connecting shaft and a flange arranged on the circumferential outer wall of the connecting shaft, one side of the fixing member facing the profile being abutted on the flange; the fixing member is provided with a protruding compression ring in the axial direction of the second through hole, the transmission mechanism is provided with a rotating wheel, the protruding compression ring being abutted on the flange in the direction of the rotating wheel; or the connecting assembly comprises a connecting shaft, one end of the connecting shaft being axially inserted into the handle body, a second screw being arranged in the handle body and being detachably connected with the connecting shaft. a anti-pulling member is arranged on the transmission mechanism, a plurality of fixing holes are arranged on the fixing member, and a plurality of first screws for connecting the anti-pulling member are arranged in the fixing holes. the connecting assembly further comprises a third screw, the third screw being axially penetrated through the connecting shaft, the transmission mechanism being provided with a rotating wheel, and the third screw being threadedly connected with the rotating wheel so as to connect the connecting shaft with the rotating wheel. an elastic positioning assembly is arranged between the handle body and the fixing member, the elastic positioning assembly being used for generating a positioning force when the handle body rotates.

2. A lever handle according to claim 1, wherein: the elastic positioning assembly comprises a plurality of springs, a plurality of steel balls and a limiting piece, a plurality of installation holes are arranged on the front end surface of the handle body, the limiting piece is arranged on the front end surface of the handle body and is provided with a plurality of clamping hole corresponding to the installation holes, one end of each of the plurality of springs is arranged in the installation hole, one end of each of the plurality of steel balls is arranged between the other end of each of the plurality of springs and the clamping hole of the limiting piece, the plurality of springs are in a compressed state and press the plurality of steel balls so that the steel balls partially protrude out of the clamping hole.

3. A lever handle according to claim 1, wherein: the fixing member is provided with a plurality of positioning holes, and the protruding portions of the plurality of steel balls are abutted in the positioning holes.

4. A lever handle according to claim 1, wherein: the handle body is provided with a shallow hole on the front end surface, and the shallow hole is used for accommodating the fixing member.

5. A lever handle according to claim 4, wherein: the springs are provided with four, and the steel balls are provided with four corresponding to the springs. the connecting shaft is provided in a polygonal shape.

6. A lever handle according to claim 1, wherein:

9. A baseless handle mounted on a profile and connected with a transmission mechanism arranged in the profile, the baseless handle comprising a handle body and a connecting assembly, one end of the connecting assembly being connected with the handle body, the other end of the connecting assembly being in transmission connection with the transmission mechanism, characterized in that: a fixing member is further arranged for fixing on the profile, the fixing member being provided with a second through hole, the connecting assembly being arranged in the second through hole, the second through hole being used for radially limiting the connecting assembly; 7. A lever handle according to claim 5 wherein: ​ 8. A lever handle according to claim 1, wherein: ​ ​ ​ The connecting assembly comprises a first connecting shaft, a second connecting shaft and a fourth screw, the first connecting shaft and the second connecting shaft abut, the abutting surfaces of the first connecting shaft and the second connecting shaft are bevel surfaces, the fourth screw axially penetrates the first connecting shaft and the second connecting shaft in sequence, the fourth screw is threadedly connected to the second connecting shaft, the second connecting shaft can be offset in a direction away from the first connecting shaft through the fourth screw, a rotating wheel is arranged in the transmission mechanism, the first connecting shaft and the second connecting shaft are inserted into the rotating wheel, when the second connecting shaft is offset relative to the first connecting shaft, the first connecting shaft and the second connecting shaft abut two sides of the inner wall of the rotating wheel respectively.

10. A lever handle according to claim 9, wherein: The shapes of the first connecting shaft and the second connecting shaft are both set as polygonal prisms.

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