Hidden door and window handle
By designing the pivoting components and locking components of the invisible door and window handle, the multi-angle rotation and concealed storage of the handle are achieved, solving the problem of single angle fixation in the prior art, improving the applicability of use and ensuring safety.
Patent Information
- Application Number
- CN202422349935.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-09-26
AI Technical Summary
When using existing invisible door and window handles, the angle of the handle relative to the frame is fixed in a single position, and the rotation of multiple angles cannot be achieved, resulting in poor applicability to use.
A stealthy door and window handle is designed to achieve folding storage and deployment of the handle through a pivot assembly and a locking assembly. The synchronous rotation of the pivot assembly and the adapter is used to combine the temporary positioning of the pushing spring and the sphere at a specific angle. The handle can be rotated 90 degrees or 180 degrees, and prevent children from operating through the lock core.
The multi-angle rotation and concealed storage of the handle are realized, which improves the applicability of use, and prevents children from misoperating operations through the lock core to ensure safety.
Smart Images
Figure CN223241214U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of furniture, in particular to an invisible door and window handle. Background Art
[0002] Regarding door and window handles, in order to meet consumers' high aesthetic requirements for the overall beauty of doors and windows, furniture manufacturers have begun to produce invisible door and window handles, that is, the handles are stored inside the door and window frames. In this way, the handles are hidden inside the frame when not in use, thereby maintaining the beauty and consistency of the doors and windows.
[0003] However, the conventional invisible door and window handles only allow the handle to be opened to a certain angle relative to the frame, and then the door or window can be opened or closed by operating the handle. The conventional invisible door and window handles only have a fixed angle relative to the frame and cannot be rotated to a certain angle relative to the frame, making them less practical.
[0004] Therefore, the industry needs to provide a kind of invisible door and window handle to overcome the defects of the above-mentioned prior art. Utility Model Content
[0005] The purpose of the utility model is to solve the above problems and provide a invisible door and window handle.
[0006] In order to meet the purpose of this utility model, this utility model adopts the following technical solutions:
[0007] A hidden door and window handle comprises: a bottom shell and a handle rotatably arranged in the bottom shell through a pivot assembly; the bottom shell comprises: a bottom wall and an annular side wall formed on the periphery of the bottom wall, the bottom wall and the annular side wall jointly defining a storage space for accommodating the handle; an opening penetrating the thickness of the bottom wall is formed at the rear end of the bottom wall, a step portion is formed on the bottom surface of the rear end of the bottom wall at the periphery of the opening, a first channel and a second channel are radially oppositely provided on the step portion; a pair of first axial holes are formed on the handle at a position corresponding to the rear end of the bottom wall; an angle is formed between the first channel and the second channel, and the angle is an acute angle.
[0008] Preferably, the pivot assembly includes: a pivot seat having a main body with a second shaft hole formed therein, two pressing surfaces formed on the left and right sides of the main body, and a square column formed at the bottom of the main body, with a threaded hole formed therein; a torsion spring; a rotating shaft; and an adapter having a column with a square hole longitudinally formed therein and a flange formed on the top periphery of the column and having at least two slots formed thereon;
[0009] Preferably, the pivot seat is arranged in the storage space, the square column of the pivot seat extends into the opening, the torsion spring is arranged on the two pressure surfaces, and the main body is simultaneously arranged between the pair of first axial holes, and the rotating shaft passes through the pair of rotating shafts and the torsion spring and finally passes through the second axial hole on the main body.
[0010] Further preferably, the flange portion of the adapter rests against the step portion from the bottom of the bottom shell, and a portion of the column portion located above the flange portion extends into the opening, and the square column is inserted into the square hole, and the screw passes through the square hole from the bottom of the column portion and is finally locked on the threaded hole, thereby fixing the pivot seat and the adapter body up and down.
[0011] Further preferably, a push spring and a ball are provided in the first channel and the second channel, and the ball in the first channel or the second channel is pushed by the corresponding push spring and selectively rests against the corresponding slot.
[0012] Preferably, a locking assembly is also included, which includes: a button, which has a pressing portion, and a first inclined surface is provided at the bottom of the pressing portion; a sliding seat, a front end of which forms an inclined tongue portion, a rear end forms a positioning column, and a second inclined surface is provided between the inclined tongue portion and the positioning column; and a baffle; a panel is formed on the annular side wall of the bottom shell, and a button hole is provided on the panel; a window is provided on the side of the handle corresponding to the position of the button hole; the baffle and the sliding seat are provided on the bottom wall of the bottom shell; the guide column of the button passes through the button hole and penetrates into the bottom wall of the bottom shell; the first inclined surface is in sliding contact with the second inclined surface.
[0013] Preferably, a guide column is formed at the bottom of the pressing portion of the button, and a return compression spring is sleeved on the guide column; and a return compression spring is arranged between the baffle and the slide seat.
[0014] Preferably, a stop block is formed on the peripheral side wall of the column part of the adapter near the flange part; the pivot assembly further includes a fixing plate with a limiting hole formed thereon, and the limiting hole has a first limiting wall and a second limiting wall; the fixing plate is mounted on the adapter from the bottom, and the fixing plate abuts and is fixed to the bottom of the flange part; the stop block is configured such that when the adapter rotates relative to the bottom shell and around the opening, the stop block is correspondingly blocked by the first limiting wall and the second limiting wall, thereby limiting the rotation angle range of the adapter and the handle relative to the bottom shell.
[0015] Preferably, it further comprises a square rotating shaft which passes through the limiting hole and is clamped in the square hole of the adapter; the angle between the at least two clamping grooves and the center line of the square hole in the circumferential direction of the adapter is 90 degrees.
[0016] Preferably, the number of the card slots is 4, and the angle between two adjacent card slots in the circumferential direction of the adapter body and the center line of the square hole is 90 degrees; the pivot assembly further includes an upper gasket, which is clamped between the pivot seat and the bottom wall; and a lower gasket, which is clamped between the flange portion and the step portion. The function of the two gaskets is to adjust the position of corresponding components such as the pivot seat or the adapter body.
[0017] Preferably, it further includes a child lock assembly, which includes: a lock core, a drive groove is provided on the top of which, and a push column and a protrusion are formed on the bottom; and a lock tongue, which has a body with a drive groove provided therein and tongue pieces formed at opposite ends of the body; a lock core hole and an opening connected to the lock core hole are provided at the top of the handle near the front end; the lock core extends into the lock core hole from the bottom of the handle, the lock tongue is arranged at the bottom of the lock core, the push column extends into the drive groove, and the tongue piece extends into the opening through the protrusion.
[0018] Compared with the prior art, the advantages of the present invention are as follows:
[0019] In the invisible door and window handle described in the present invention, when the handle is rotated in the open position relative to the bottom shell, as the handle rotates, the adapter body synchronously rotates with the handle to a certain angle, and the corresponding slots align with the first channel and the second channel respectively, so that the corresponding balls elastically abut against the corresponding slots, thereby temporarily locking the handle slightly at the rotated angle. The user only needs to slightly rotate the handle again with a little force to overcome the resistance of the push spring and cause the balls to break contact with the slots, so that the handle can be rotated back to its original position. Finally, through the pivoting of the pivot seat, it is folded and stored in the above-mentioned storage space, thereby realizing the function of a concealed door and window handle.
[0020] In the present invention, the pivot assembly enables the handle to be folded, stored, or unfolded relative to the bottom shell, thereby concealing or hiding the handle (handle). Specifically, a first axial hole is provided on the handle, and a pivot seat is provided on the bottom shell. The rotating shaft passes through the first axial hole, the torsion spring, and the second axial hole on the pivot seat, thereby enabling the handle to be folded, stored, or unfolded relative to the bottom shell.
[0021] In addition, since there is a square column on the pivot seat, and a square hole is opened on the adapter body arranged at the bottom of the bottom shell, the square column is inserted into the square hole. Therefore, through the cooperation of the square hole and the square column, the synchronous rotation of the pivot seat and the adapter is realized. The pivot seat is pivotally connected to the handle, and the pivot direction (axial direction of the rotating shaft) is perpendicular to the direction of synchronous rotation (axis of the opening). Therefore, when the user rotates the handle, the handle synchronously drives the rotation of the pivot seat, and the pivot seat further synchronously drives the rotation of the adapter. When the adapter rotates to a certain angle, such as 90 degrees or 180 degrees, the corresponding card slot is filled with a sphere, thereby realizing the temporary positioning of the handle at the above-mentioned specific angle.
[0022] Additional aspects and advantages of the present invention will be partially given in the following description, which will become apparent from the following description or be understood through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:
[0024] Figure 1 This is a three-dimensional structural diagram of the invisible door and window handle of the present utility model.
[0025] Figure 2 for Figure 1 The three-dimensional exploded view of the invisible door and window handle is shown.
[0026] Figure 3a for Figure 1-2 A three-dimensional view of the pivot seat of the invisible door and window handle is shown.
[0027] Figure 3b for Figure 3a A perspective view of the pivot seat from another angle is shown.
[0028] Figure 4 This is a diagram of the invisible door and window handle of the present invention in an open state.
[0029] Figure 5a This is a three-dimensional diagram of the bottom shell of the invisible door and window handle of the present invention.
[0030] Figure 5b This is a three-dimensional diagram of the handle of the invisible door and window handle of the present invention.
[0031] Figure 6a This is a three-dimensional diagram of the button of the invisible door and window handle of the present invention.
[0032] Figure 6b It is a three-dimensional diagram of the sliding seat of the invisible door and window handle of the present invention.
[0033] Figure 7a This is a three-dimensional diagram of the lock core of the invisible door and window handle of the present invention.
[0034] Figure 7b This is a three-dimensional view of the lock core of the invisible door and window handle of the present invention from another angle.
[0035] Figure 7c It is a three-dimensional diagram of the lock tongue of the invisible door and window handle of the present invention.
[0036] Figure 8a This is a three-dimensional diagram of the adapter body of the invisible door and window handle of the present invention.
[0037] Figure 8b This is a three-dimensional view of the adapter body of the invisible door and window handle of the utility model from another angle.
[0038] Figure 8c This is a three-dimensional diagram of the fixing plate of the invisible door and window handle of the present invention. DETAILED DESCRIPTION
[0039] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.
[0040] Those skilled in the art will understand that, unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present utility model refers to the presence of the features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof. It should be understood that when we say that an element is "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, or there may be intermediate elements. In addition, "connected" or "coupled" used here may include wireless connection or wireless coupling. The term "and / or" used here includes all or any unit and all combinations of one or more associated listed items.
[0041] Those skilled in the art will understand that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as those generally understood by those skilled in the art in the field to which the present invention belongs. It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with their meanings in the context of the prior art, and will not be interpreted in an idealized or overly formal sense unless specifically defined as herein.
[0042] In one embodiment of the present invention, reference Figure 1-8c A hidden door and window handle 100 includes: a bottom shell 10 and a handle 20 rotatably disposed in the bottom shell 10 through a pivot assembly 30 .
[0043] Here, the bottom shell 10 may include:
[0044] The bottom wall 12 and the annular side wall 14 formed around the periphery of the bottom wall 12 together define a storage space (not numbered) for accommodating the handle 20. The rear end of the bottom wall 12 defines an opening 142 extending through the thickness of the bottom wall 12. The bottom surface of the rear end of the bottom wall 12 forms a step portion 144 around the periphery of the opening 142. The step portion 144 defines a first channel 146 and a second channel 148 at a certain angle to each other.
[0045] A pair of first axial holes 22 are formed on the handle 20 corresponding to the rear end of the bottom wall 12;
[0046] The pivot assembly 30 includes:
[0047] The pivot seat 32 includes a main body 322 with a second shaft hole 3222 defined therein, two pressing surfaces 324 formed on the left and right sides of the main body 322, and a square column 326 formed at the bottom of the main body 322. The square column 326 defines a threaded hole 3262.
[0048] torsion spring 34;
[0049] a rotating shaft 70; and
[0050] The adapter body 36 comprises a column portion 362 with a square hole 3622 longitudinally defined therein, and a flange portion 364 formed on the top periphery of the column portion 362 and having at least two slots 3642 formed thereon;
[0051] The pivot seat 32 is arranged in the receiving space, and the square column 326 of the pivot seat 32 extends into the opening 142. The torsion spring 34 is arranged on the two pressing surfaces 324. The main body 322 is simultaneously arranged between the pair of first axial holes 22. The rotating shaft 70 passes through the pair of rotating shafts 22 and the torsion spring 34 and finally passes through the second axial hole 3222 on the main body 322; the flange portion 364 of the adapter 36 rests on the step portion 144 from the bottom of the bottom shell 10, and a part of the column portion 362 located above the flange portion 364 extends into the opening 142, and the square column 326 is stuck in the square hole 3622, and the screw 38 passes through the square hole 3622 from the bottom of the column portion 326 and is finally locked on the threaded hole 3262, thereby fixing the pivot seat 32 and the adapter 36 up and down; the first channel 146 and the first A push spring 60 and a ball 39 are provided in the second channel 148. The ball 39 in the first channel or the second channel is pushed by the corresponding push spring 60 and selectively abuts against the corresponding slot 3642. Therefore, when the handle 20 is rotated relative to the bottom shell 10 (around the axis of the opening 142) to open, the adapter 36 rotates synchronously with the handle 20 as the handle 20 rotates (because the square column 326 of the pivot seat 32 is inserted into the square hole 3622 of the adapter 36, and the pivot seat 32 is pivotally connected to the handle 20, and the pivot direction (the axial direction of the rotating shaft 70) is perpendicular to the direction of rotation of the handle 20 around the axis of the opening 142). Therefore, when the handle is rotated, for example, 90 degrees or 180 degrees, the corresponding slot 3642 is aligned with the first channel and the second channel respectively, so the corresponding ball 39 elastically abuts against the corresponding slot 3642, thereby temporarily locking the handle slightly at the rotated angular position. The user only needs to slightly rotate the handle 20 again to overcome the resistance of the push spring 60 and force the ball to break away from the engagement groove, thereby allowing the handle 20 to be rotated back to its original position and finally folded and stored in the aforementioned storage space by pivoting the pivot seat 32, thereby achieving the function of concealing the door and window handle. Preferably, the angle formed between the first channel and the second channel is an acute angle.
[0052] In the present invention, the folding, storage or unfolding action of the handle relative to the bottom shell is achieved through the pivot assembly, thereby achieving the function of concealing or hiding the handle.
[0053] Specifically, a first axial hole is provided on the handle, and a pivot seat is provided on the bottom shell. The rotating shaft passes through the first axial hole and the torsion spring and the second axial hole on the pivot seat, thereby realizing the folding, storage or unfolding of the handle relative to the bottom shell.
[0054] In addition, since there is a square column on the pivot seat, and a square hole is provided on the adapter body arranged at the bottom of the bottom shell, the square column is inserted into the square hole. Therefore, through the cooperation of the square hole and the square column, the synchronous rotation of the pivot seat and the adapter is realized. The pivot seat is pivotally connected to the handle, and the pivot direction is perpendicular to the direction of synchronous rotation. Therefore, when the user rotates the handle, the handle synchronously drives the rotation of the pivot seat, and the pivot seat further synchronously drives the rotation of the adapter. When the adapter rotates to a certain angle, such as 90 degrees or 180 degrees, the corresponding card slot is filled with a sphere, thereby realizing the temporary positioning of the handle at the above-mentioned specific angle.
[0055] Due to the presence of the torsion spring, the handle is always open at a certain angle relative to the bottom shell, such as 30 degrees. In order to keep the handle in a folded and stored state (stored in the storage space of the bottom shell) for a long time when not in use, a locking assembly 40 is further provided to achieve the above purpose.
[0056] According to one embodiment of the present invention, the locking assembly 40 includes:
[0057] The button 42 has a pressing portion 422 and a guide post 424 formed at the bottom of the pressing portion 422 . The bottom of the pressing portion 422 is provided with a first inclined surface 426 .
[0058] The sliding seat 44 has an inclined tongue portion 442 formed at its front end and a positioning post 446 formed at its rear end, and a second inclined surface 444 is provided between the inclined tongue portion 442 and the positioning post 446; and
[0059] baffle 46;
[0060] A panel 13 is formed on the annular side wall 14 of the bottom shell 10, and a button hole 135 is provided on the panel 13; a window 26 is provided on the side of the handle 20 corresponding to the position of the button hole 135; the baffle 46 and the slide 44 are arranged on the bottom wall 12 of the bottom shell 10, and a return compression spring 48 is provided between the baffle 46 and the slide 44; the guide column 424 of the button 42 passes through the button hole 135 and penetrates into the bottom wall 12 of the bottom shell 10, and a return compression spring 41 is provided on the guide column 424; the first inclined surface 426 is in sliding contact with the second inclined surface 444.
[0061] When the handle is received in the space formed by the bottom wall 12 and the annular side wall 14 of the bottom shell 10, under normal circumstances, under the action of the return compression spring 48, the slide 44 always tends to move away from the baffle 46, thereby prompting the oblique tongue portion 442 of the slide 44 to extend into the window 26, thereby locking the handle 20. That is, since the oblique tongue portion 442 is inserted into the window 26, the handle 20 cannot be separated from the bottom shell 10. In other words, it is ensured that the handle 20 is always kept in the bottom shell 10 when not in use.
[0062] When the user needs to use the handle 20, he only needs to press the button 42 downward. The first inclined surface 426 of the button 42 transfers the pushing force to the second inclined surface 444, causing the second inclined surface 444 and the entire slide 44 to move away from the handle 20 (that is, toward the baffle 46), and finally causing the inclined tongue portion 442 to disengage from the window 26, thereby releasing the restriction on the handle 20 and the user can remove the handle 20 from the bottom shell 10.
[0063] Preferably, a stop block 3624 is formed on the peripheral side wall of the column portion 362 of the adapter body 36 near the flange portion 364; the pivot assembly 30 further includes a fixing plate 35 on which a limiting hole 352 is provided, and the limiting hole 352 has a first limiting wall 3522 and a second limiting wall 3524; the fixing plate 35 is mounted on the adapter body 36 from the bottom, and the fixing plate 35 abuts and is fixed to the bottom of the flange portion 364; the stop block 3624 is configured such that when the adapter body 36 rotates relative to the bottom shell 10 around the opening 142, the stop block 3624 is correspondingly blocked by the first limiting wall 3522 and the second limiting wall 3524, thereby limiting the rotation angle range of the adapter body 36 together with the handle 20 relative to the bottom shell 10, for example, within a range of 180 degrees.
[0064] Preferably, the handle 20 further includes a square shaft 37 that passes through the limiting hole 352 and is locked in the square hole 3622 of the adapter body 36. Preferably, the at least two locking grooves 3642 form a 90-degree angle with respect to the centerline of the square hole 3622 in the circumferential direction of the adapter body 36. This angle setting allows the handle 20 to rotate 90 degrees, or multiples of 90 degrees, relative to the bottom housing 10.
[0065] Further preferably, the number of the slots 3642 is four, and the angle between two adjacent slots in the circumferential direction of the adapter body 36 and the centerline of the square hole 3622 is 90 degrees. This arrangement allows the handle 20 to rotate 90 degrees or 180 degrees relative to the bottom shell 10, allowing the handle to be set to a comfortable angle based on the user's operating habits, making it easier for the user to quickly open or close the door or window by operating the handle 20. Preferably, the pivot assembly 30 further includes an upper gasket 31, which is sandwiched between the pivot seat 32 and the bottom wall 12; and a lower gasket 33, which is sandwiched between the flange portion 364 and the step portion 144. The function of these two gaskets is to adjust the position of corresponding components, such as the pivot seat 32 or the adapter body 36.
[0066] In order to prevent children from accidentally operating the locking assembly and causing the handle to pop out, which in turn may cause children to operate the handle out of curiosity and eventually open the door or window, and may cause the child to climb through the window and fall, the present invention further provides a child lock assembly 50, which includes:
[0067] The lock cylinder 52 has a driving slot 522 defined at its top and a push pin 524 and a protrusion 526 formed at its bottom; and
[0068] The locking tongue 54 comprises a body 542 having a driving slot 5422 defined therein and tongue pieces 544 formed at opposite ends of the body 542;
[0069] The top of the handle 20 is provided with a lock core hole 24 and an opening 21 connected to the lock core hole 24 near the front end. The lock core 52 extends from the bottom of the handle 20 into the lock core hole 24. The lock tongue 54 is provided at the bottom of the lock core 52. The push post 52 extends into the driving slot 5422. The tongue piece 544 extends into the opening 21 via the protrusion 526. When a user drives the driving slot 522 with a tool such as a flat-blade screwdriver, the entire lock core 52 rotates, and the push post 524 provided in the driving slot 5422 pushes the lock tongue 54 toward the front end, thereby causing the tongue piece 544 located in the opening 21 to extend out of the opening 21 and engage with the lock hole 141 provided on the side wall 14 of the bottom shell 10. Therefore, no matter how a child operates the button, the handle cannot be separated from the bottom shell, thereby preventing accidents, ensuring the safety of children, and avoiding accidents. Preferably, the opening 21 is opened on a side surface of the handle 20 .
[0070] It should be noted that the lock tongue 54 can also be a split structure, that is, the lock tongue 54 is divided into two identical sub-lock tongues (such as Figure 7c Each sub-lock tongue has the aforementioned tongue piece 544 and an open drive slot. When the two sub-lock tongues are engaged, the two open drive slots align to form a complete drive slot, and the two tongue pieces are positioned opposite each other. This split-structured lock tongue 54 offers the advantages of simple processing, easy assembly, and convenient maintenance. For example, if one of the sub-lock tongues is damaged, only the damaged component needs to be replaced. In contrast, if a monolithic lock tongue is used, the entire lock tongue would need to be replaced, resulting in material waste.
[0071] Those skilled in the art will appreciate that the steps, measures, and schemes in the various operations, methods, and processes discussed in this application may be interchanged, modified, combined, or deleted. Furthermore, other steps, measures, and schemes in the various operations, methods, and processes discussed in this application may also be interchanged, modified, rearranged, decomposed, combined, or deleted. Furthermore, steps, measures, and schemes in the prior art that are similar to those disclosed in this application may also be interchanged, modified, rearranged, decomposed, combined, or deleted.
[0072] The above description is only part of the implementation methods of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.
Claims
1. An invisible door and window handle, comprising: A bottom shell and a handle rotatably arranged in the bottom shell through a pivot assembly, characterized in that: the bottom shell includes: a bottom wall and an annular side wall formed on the periphery of the bottom wall, the bottom wall and the annular side wall jointly define a storage space for storing the handle; the rear end of the bottom wall forms an opening penetrating the thickness of the bottom wall, the bottom surface of the rear end of the bottom wall forms a step portion at the periphery of the opening, and a first channel and a second channel are radially oppositely provided on the step portion; a pair of first axial holes are formed on the handle corresponding to the rear end of the bottom wall; an angle is formed between the first channel and the second channel, and the angle is an acute angle.
2. The invisible door and window handle according to claim 1, characterized in that: The pivot assembly includes: a pivot seat having a main body with a second shaft hole formed therein, two pressing surfaces formed on the left and right sides of the main body, and a square column formed at the bottom of the main body, wherein a threaded hole is formed in the square column; a torsion spring; a rotating shaft; and an adapter having a column with a square hole longitudinally formed therein and a flange formed on the top periphery of the column and having at least two slots formed thereon; The pivot seat is arranged in the storage space, the square column of the pivot seat extends into the opening, the torsion spring is arranged on the two pressure surfaces, and the main body is simultaneously arranged between the pair of first axial holes. The rotating shaft passes through the pair of first axial holes and the torsion spring and finally passes through the second axial hole on the main body.
3. The invisible door and window handle according to claim 2, characterized in that: The flange portion of the adapter rests against the step portion from the bottom of the bottom shell, and a portion of the column portion above the flange portion extends into the opening, and the square column is inserted into the square hole. The screw passes through the square hole from the bottom of the column portion and is finally locked on the threaded hole, thereby fixing the pivot seat and the adapter up and down.
4. The invisible door and window handle according to claim 3, characterized in that: Pushing springs and balls are arranged in the first channel and the second channel. The balls in the first channel or the second channel are pushed by the corresponding pushing springs and selectively abut against the corresponding slots.
5. The invisible door and window handle according to claim 4, characterized in that It further includes a locking assembly, which includes: a button, which has a pressing portion, and a first inclined surface is set at the bottom of the pressing portion; a slide, whose front end forms an inclined tongue portion, and the rear end forms a positioning column, and a second inclined surface is set between the inclined tongue portion and the positioning column; and a baffle; a panel is formed on the annular side wall of the bottom shell, and a button hole is provided on the panel; a window is provided on the side of the handle corresponding to the position of the button hole; the baffle and the slide are set on the bottom wall of the bottom shell; the guide column of the button passes through the button hole and penetrates into the bottom wall of the bottom shell; the first inclined surface is in sliding contact with the second inclined surface.
6. The invisible door and window handle according to claim 5, characterized in that: A guide column is formed at the bottom of the pressing portion of the button, and a return compression spring is sleeved on the guide column; a return compression spring is arranged between the baffle and the slide seat.
7. The invisible door and window handle according to claim 6, characterized in that: A stop block is formed on the peripheral side wall of the column portion of the adapter near the flange portion; the pivot assembly further includes a fixing plate with a limiting hole formed thereon, and the limiting hole has a first limiting wall and a second limiting wall; the fixing plate is mounted on the adapter from the bottom, and the fixing plate abuts and is fixed to the bottom of the flange portion; the stop block is configured such that when the adapter rotates relative to the bottom shell and rotates around the opening, the stop block is correspondingly blocked by the first limiting wall and the second limiting wall, thereby limiting the rotation angle range of the adapter and the handle relative to the bottom shell.
8. The invisible door and window handle according to claim 7, characterized in that: It further includes a square rotating shaft, which passes through the limiting hole and is clamped in the square hole of the adapter; the angle between the at least two clamping grooves and the center line of the square hole in the circumferential direction of the adapter is 90 degrees.
9. The invisible door and window handle according to claim 8, characterized in that: There are four card slots, and the angle between two adjacent card slots in the circumferential direction of the adapter body and the center line of the square hole is 90 degrees; the pivot assembly further includes an upper gasket, which is clamped between the pivot seat and the bottom wall; and a lower gasket, which is clamped between the flange portion and the step portion. The function of the two gaskets is to adjust the position of corresponding components such as the pivot seat or the adapter body.
10. The invisible door and window handle according to claim 9, characterized in that It further includes a child lock assembly, which includes: a lock core, a drive groove is provided on the top of the lock core, and a push column and a protrusion are formed on the bottom; and a lock tongue, which has a body with a drive groove provided therein and tongue pieces formed at opposite ends of the body; a lock core hole and an opening connected to the lock core hole are provided at the top of the handle near the front end; the lock core extends into the lock core hole from the bottom of the handle, the lock tongue is arranged at the bottom of the lock core, the push column extends into the drive groove, and the tongue piece extends into the opening through the protrusion.