WO2012016360A1

WO2012016360A1 - Lever handle

Info

Publication number: WO2012016360A1
Application number: PCT/CN2010/001320
Authority: WO
Inventors: 傅海
Original assignee: Fu Hai
Priority date: 2010-08-04
Filing date: 2010-08-30
Publication date: 2012-02-09
Also published as: CN101915013B; CN101915013A

Abstract

A lever handle comprises a shank (1), a handle cover (2) and a pedestal (4). A shank installation unit (12) connected with the pedestal is provided on one end of the shank. The handle cover is connected with the pedestal. The lever handle also comprises a shank clamping component provided on the pedestal. The hand shank installation unit is provided with a shank clamping unit connected with the shank clamping component. The lever handle cover is provided with a lever handle cover clamping unit. The connections among the shank, the lever handle cover and the pedestal are movable. The hand shank clamping unit is in matching connection with the hand shank clamping component. The lever handle enables the shank to be pulled out of the pedestal smoothly.

Description

a handle

TECHNICAL FIELD The present invention relates to the field of hardware, and more particularly to a handle. Say

BACKGROUND OF THE INVENTION Handle is a common small hardware that is widely used in various doors and windows, which greatly facilitates people's use. The existing handle generally includes a handle, a base and a handle cover, the handle cover and the base book

The handle is connected with a circular hole, the handle is mounted on the base through the circular hole, and the handle, the base and the handle cover are connected to each other to form a unitary structure. After the above handle is installed on the door and window, the handle can drive the oblique tongue movement on the door and window, thereby opening and closing the door and window. The existing handles adopt the overall structure. Although they have the characteristics of simple manufacturing process, they have some shortcomings: Due to the overall structure, when the door is installed on the doors and windows, only the entire handle can be installed on the doors and windows. Installation is inconvenient; In addition, when the house decoration work is not completed, the entire handle is installed on the doors and windows. Workers are easy to damage the handles on the doors and windows when decorating the house, which is not conducive to the protection of the handle.

Summary of the invention

The object of the present invention is to provide a handle for solving the problem that the existing handle installation is inconvenient and that the entire handle is not properly installed on the door and window when the decoration work is not completed, which is not conducive to the protection of the handle. The present invention is implemented in the form of a handle comprising a handle, a handle cover and a base, one end of the handle being a handle mounting portion, the handle mounting portion being coupled to the base, the handle cover and the base The connection further includes a handle clamping member for clamping the handle mounting portion, the handle clamping member is mounted on the base, and the handle mounting portion is provided with a handle clamping portion, the handle clamping member and the handle clamp The handle is connected; the handle cover is provided with a handle cover clamping portion for clamping the handle clamp to the handle clamping portion.

The handle clamping member is a clamping spring, the clamping spring is mounted on the base, the handle clamping portion is a handle groove, and the handle groove is opened on the handle mounting portion, and the handle is concave The width of the groove is adapted to the width of the clamping spring, the clamping portion is a clamping protrusion, and the clamping protrusion is disposed on the inner wall of the handle cover.

Wherein the handle clamping spring comprises a first handle clamping spring and a second handle clamping spring, the first handle clamping spring comprises a first fixed end and a first free end, the second handle clamping spring The second fixed end and the second free end are included; a circular hole is formed in the middle of the base, and a first mounting portion and a second mounting portion are disposed on both sides of the circular hole of the base, and the first mounting portion is provided a first mounting slot and a first mounting hole, the second mounting portion is provided with a second mounting slot and a second mounting hole, the first fixed end is mounted in the first mounting slot, and the first free end is mounted The second fixed end is mounted in the second mounting slot, and the second free end is mounted in the second mounting hole.

The upper portion of the first mounting hole is provided with a first inclined surface, and the upper portion of the second mounting hole is provided with a second inclined surface. .

The handle mounting portion is provided with a handle positioning portion, the handle cover is provided with a handle cover positioning portion, and the base is provided with a base positioning portion; the handle positioning portion and the handle cover positioning portion Suitably, the handle cover positioning portion is adapted to the base positioning portion.

The handle positioning portion is a handle positioning slot, and the handle positioning slots are respectively formed on the end surface of the handle mounting portion; the handle cover positioning portion is a handle cover boss, and the handle cover There are two bosses respectively disposed on two sides of the handle cover; the base positioning portion is a base positioning groove, There are two base positioning slots, which are respectively opened on both sides of the base.

Wherein, the two base positioning slots are oppositely disposed, and the connecting lines are offset from the vertical line and the horizontal line of the base.

Wherein, the handle cover boss is provided with a handle cover positioning piece, and the bottom of the base is provided with a base bottom surface, and the thickness of the base bottom surface is matched with the thickness of the handle cover positioning piece.

Wherein, the handle groove is provided with four handle groove protrusions, the handle groove protrusions are uniformly distributed in the handle groove, and the first clamping spring and the second clamping spring are provided for the card a first groove and a second groove of the handle groove protrusion, the first groove and the second groove being adapted to the handle groove protrusion.

Wherein, the handle groove protrusions are opposite to each other, and the connecting lines of the opposite handle groove protrusions are parallel to the horizontal line and the vertical line of the handle.

The first clamping spring and the second clamping spring are respectively provided with a third groove and a fourth groove, and the base is provided with a first positioning post and a second positioning post, the first positioning post The second positioning post is adapted to the third groove and the fourth groove, and the position corresponds to the position of the third groove and the fourth groove. After the above technical solution, the handle, the handle cover and the base are movably connected, and when installed, the handle mounting portion and the handle cover are mounted on the base, wherein the handle clamping portion and the handle clamping member Match the connection. After the handle cover is mounted on the base, the handle cover clamping portion clamps the handle clamping member, the handle clamping member clamps the handle clamping portion, and the handle can only rotate on the base and cannot Pull out from the base. When the handle needs to be pulled out from the base, the handle cover is removed from the base, the handle cover clamping portion no longer clamps the handle clamp, and the handle clamp is no longer gripping the handle clamp The handle can be smoothly removed from the base.

When the handle is installed, the base needs to be installed on the door and window first, and the handle and the handle cover can be installed later, and the installation work is very simple. In addition, when the renovation work is not completed, the base is simply installed on the doors and windows, no need to install the handle and the handle cover, so the workers will not damage the hands during the decoration process. Handle and handle cover. When the handle is to be used, the worker can quickly attach the handle and the handle cover to the base without affecting the normal use of the handle; when the handle is not used, the handle and the handle cover can be removed from the base. . DRAWINGS

FIG. 1 is a schematic exploded view of a handle provided by an embodiment of the present invention.

2 is a perspective view of a handle cover provided by an embodiment of the present invention.

FIG. 3 is another perspective view of the handle cover provided by the embodiment of the present invention.

4 is a bottom view of the handle cover provided by the embodiment of the present invention.

FIG. 5 is a schematic top view of a base according to an embodiment of the present invention.

FIG. 6 is a perspective view of a base provided by an embodiment of the present invention.

FIG. 7 is a front elevational view of a base according to an embodiment of the present invention.

FIG. 8 is a perspective view of a first handle clamping spring provided by an embodiment of the present invention.

FIG. 9 is a perspective view of a second handle clamping spring according to an embodiment of the present invention.

Figure 10 is a top plan view showing the clamping projection on the handle cover without pressing the handle clamping spring. Figure 1 1 is a top plan view of the clamping projection on the handle cover after pressing the handle clamping spring.

Fig. 12 is a perspective view showing the clamping projection on the handle cover pressing the handle clamping spring.

Figure 13 is a front elevational view of the handle provided by the embodiment of the present invention.

FIG. 14 is a right side view of the handle provided by the embodiment of the present invention.

Figure 15 is a perspective view of a handle provided by an embodiment of the present invention.

16 is a top plan view of a handle provided by an embodiment of the present invention.

Figure 17 is a left side view of the handle provided by the embodiment of the present invention.

FIG. 18 is an enlarged schematic view of a portion A of the handle provided by the embodiment of the present invention.

Figure 19 is a schematic illustration of the handle and handle cover mounted to the base.

Figure 20 is a schematic view of the handle and the handle cover when the handle is rotated against the base.

Figure 21 is a cross-sectional view showing the handle and the handle cover mounted to the base.

Figure 22 is an enlarged schematic cross-sectional view taken along line BB. Figure 23 is a perspective view of the handle and the handle cover mounted to the base. detailed description

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Referring to Figures 1-23, the present invention provides a handle comprising a handle 1, a handle cover 2, a handle holder and a base 4, the handle 1 including a handle body 1 1 and a handle mounting portion 12, the handle The mounting portion 12 is provided at one end of the handle body 1 1 , and the handle 1 is mounted on the base 4 by the handle mounting portion 12 .

Referring to FIG. 1-9, the handle mounting portion 12 is provided with a handle clamping portion, and the handle cover 2 is provided with a handle cover clamping portion, and the handle clamping member is mounted on the base 4. In this embodiment, the handle clamping portion is a handle ω slot 121, and the handle recess 121 has a rectangular cross section; the handle cover clamping portion is a clamping protrusion 24, 25, the clip The clamping protrusions 24, 25 are disposed on both sides of the inner wall of the handle cover 2, and are substantially rectangular. The handle clamping member is a clamping spring 3, and the clamping spring 3 includes a first clamping spring ₃₁ and a second a clamping spring 32, the first clamping spring 31 and the second clamping spring 32 are respectively mounted on two sides of the base 4, and the main functions of the first clamping spring 31 and the second clamping spring 32 are clamping The handle recess 121, in the embodiment, the first clamping spring 31 and the second clamping spring 32 have a rectangular cross section, and the size and thickness are matched with the handle recess 121.

Referring to FIG. 1-7, the base 4 has a first base hole 41 and a second base hole 42. The first base hole 41 and the second base hole 42 facilitate the installation of the base 4. Specifically, when the user installs the handle, the base 4 can be fixedly mounted to the door and window by screws through the first base hole 41 and the second base hole 42. A base circular hole 40 is further defined in the middle of the base, and the main function of the base circular hole 40 is to install the handle mounting portion 12, and after the installation is completed, the handle mounting portion 12 can be rotated in the base circular hole 40.

Referring to FIG. 6-12, the base 4 is further provided with a first mounting portion 43 and a second mounting portion 44. The first mounting portion 43 is provided with a first mounting slot 433 and a first mounting hole 431. The second mounting portion 44 is provided with a second mounting groove 443 and a second mounting hole 441; one end of the first handle clamping spring 31 is a first fixed end 31 1 and the other end is a first free end 313 One end of the second handle clamping spring 32 is a second fixed end 321 and the other end is a second free end 323. The first fixed end 31 1 is fixedly mounted in the first mounting slot 433 , and the first free end 313 is mounted in the second mounting hole 441 . The second fixed end 321 is fixedly mounted in the second mounting slot 443 . The second free end 323 is mounted in the first mounting hole 431.

Referring to FIG. 6-12, in the embodiment, the first clamping spring 31 is provided with a third 1HJ slot 312, and the second clamping spring 32 is provided with a fourth recess 322, the base 4 is provided with a first positioning post 48 and a second positioning post 49, the first positioning post 48 and the second positioning post 49 are sized to match the third recess 312 and the fourth recess 322, and the position and the The positions of the three grooves 312 and the fourth grooves 322 correspond to each other. The first positioning post 48 and the second positioning post 49 are bent into the third groove 312 and the fourth groove 322, and the first fixed end 31 1 and the second clamping spring of the first clamping spring 31 The second fixed end 321 of the 32 is firmly fixed to the base 4.

Refer to Figure 1-13. When the handle is mounted on the door and window, first fix the base 4 to the door and window with screws, and then pass the handle mounting portion 12 on the handle 1 through the handle cover in the middle of the handle cover 2. The hole 21, the handle mounting portion 12 is placed into the base circular hole 40, at this time, the handle mounting portion 12 is between the first handle clamping spring 31 and the second handle clamping spring 32, the handle is mounted The position of the handle recess 121 on the portion 12 is between the first handle clamping spring 31 and the second handle clamping spring 32. Referring to FIG. 14, in this embodiment, since the diameter D of the handle mounting portion 12 is smaller than the spacing between the first handle clamping spring 31 and the second handle clamping spring 32, the handle mounting portion 12 can smoothly pass through the first handle clamping spring 31 and the second handle clamping spring 32. Referring to FIG. 22, after the handle mounting portion 12 is mounted with the circular hole 40, the handle cover 2 is tightly mounted to the base 4. The clamping protrusions 24, 25 on the handle cover 2 respectively press the first free end 313 and the second free end 323 inward. Referring to Figures 10-12, the first free end 313 and the second free end The end 323 is tightened inwardly, and the first handle clamping spring 31 and the second handle clamping spring 32 catch the handle recess 121 on the handle mounting portion 12. At this time, the user can only hold the handle 1 The base 4 is moved in a circular motion, and the handle 1 cannot be pulled out from the base 4 in the vertical direction. In addition, since there is a large frictional force between the clamping projections 24, 25 and the first free end 313 and the second free end 323, the handle cover 2 does not come loose from the base 4.

When the user wants to remove the lower handle 1 from the base 4, the handle cover 2 is strongly removed from the base 4, and the clamping projections 24, 25 on the handle cover 2 are no longer squeezed inward. The first free end 313 and the second free end 323, the first free end 313 and the second free end 323 are reset, the first handle clamping spring 31 and the second handle clamping spring 32 are no longer clamped to the handle mounting The handle recess 121 on the portion 12 allows the handle 1 and the handle cover 2 to be easily removed from the base 4 by the user.

After the above technical solution is adopted, the handle can be installed on the door and window by first mounting the base 4 and the clamping spring 3, and the handle 1 and the handle cover 2 can be subsequently installed, and the installation work is very simple. In addition, when the decoration work is not completed, only the base 4 and the clamping spring 3 are installed on the door and window, and the handle 1 and the handle cover 2 are not required to be installed, which can effectively prevent the worker from damaging the handle 1 and the handle cover during the decoration process. 2. When the handle is to be used, the worker can quickly attach the handle 1 and the handle cover 2 to the base 4 without affecting the normal use of the handle; when the handle is not used, the handle 1 and the handle cover 2 are removed from the base 4 can be removed, it is very convenient.

In addition, since the existing handle is a whole structure, if the user needs to change the handle, the original handle should be removed from the door and window as a whole, and then replaced with a new handle, which not only replaces the workload, but also replaces it. high cost. In contrast, since the handle 1 and the handle cover 2 of the present invention are conveniently attached and detached from the base 4; when the user is dissatisfied with the style and color of the handle 1 and the handle cover 2 or due to other When the handle 1 and the handle cover 2 need to be replaced, only the handle 1 and the handle cover 2 are removed from the base 4 It can be removed and replaced with a new one, without having to remove the entire handle from the door and window, which not only greatly reduces the workload of the replacement of the handle, but also greatly reduces the cost of the replacement of the handle.

Referring to FIG. 13-16, in the embodiment 1, the handle recess 121 is provided with four handle groove protrusions 122. The handle groove protrusions 122 are substantially semi-circular and are evenly distributed on the handle recess. Inside the slot 121. Referring to Fig. 22, in the embodiment, the handle groove protrusions 122 are opposite to each other, and the lines of the two opposite groove protrusions 122 are parallel to the XI axis and the Y1 axis of the handle 1. Correspondingly, the first clamping spring 31 and the second clamping spring 32 are provided with a first groove 312 and a second groove 322, and the shapes of the first groove 312 and the second groove 322 And the size is adapted to the groove protrusion 122.

After the above structure is used, during the rotation of the handle 1 on the base 4, the groove protrusions 122 sequentially enter the first groove 312 and the second groove 322 to give the user a sense of positioning; when the handle 1 stops rotating When the first groove 312 and the second groove 322 catch the groove protrusion 122, the handle 1 is in a horizontal or vertical state, which is convenient for the user to use.

In addition, referring to FIG. 13 and FIG. 23, the handle mounting portion 12 defines a handle connecting hole 125, and the handle connecting hole 125 is connected with a connecting rod on the lock (not shown) to implement handle control. The operation of the lock. Since the handle 1, the handle cover 2 and the base 4 are detachably connected, when the lock is replaced and the connecting rod on the lock is no longer adapted to the handle connecting hole 125, the handle 1 only needs to be removed and replaced with The handle of the lock connecting rod can be adapted, and the entire handle is not required to be replaced, which is convenient and quick, and the replacement cost is low. Example 2

The embodiment 2 provided by the present invention is a further improvement of the handle on the basis of the embodiment 1.

Referring to FIG. 2-18, the handle mounting portion 12 is provided with a handle positioning portion, and the handle cover 2 is provided with a handle cover positioning portion, and the base 4 is provided with a base positioning portion; Place The handle positioning portion is adapted to the handle cover positioning portion, and the handle cover positioning portion is adapted to the base positioning portion. In this embodiment, the handle positioning portion is a handle positioning slot, and the handle positioning slot has two handles, respectively, a handle positioning slot 123 and a handle positioning slot 124. The handle positioning slot 123 and the handle positioning slot 124 are at the handle. The handle cover positioning portion is a handle cover boss, and the handle cover boss has two, respectively, a handle cover boss 22 and a handle cover boss 23, The handle cover boss 22 and the handle cover boss 23 are disposed on two sides of the handle cover round hole 21; the base positioning portion is a base positioning slot, and the base positioning slot has two base positioning slots respectively. The base positioning groove 45 and the base positioning groove 46 are respectively formed on both sides of the circular hole 40 of the base.

Referring to FIG. 2-18, the handle cover bosses 22, 23 are provided with handle cover positioning pieces 221, 231, the shape of the handle cover positioning pieces 221, 231 and the handle positioning grooves 123, 124 and the base. The positioning grooves 45, 46 are identical. The base is provided with a base bottom surface 47. The thickness of the bottom surface 47 of the base is matched with the thickness of the handle cover positioning pieces 221 and 231. Specifically, in the embodiment, the thickness of the bottom surface 47 of the base is equal to or The base positioning groove 45 and the base positioning groove 46 are formed on the bottom surface 47 of the base, which is larger than the thickness of the handle cover positioning pieces 221 and 231.

Referring to FIG. 19-23, when the handle is installed, the handle mounting portion 12 on the handle 1 is first passed through the handle cover hole 21 on the handle cover 2, and the position between the handle 1 and the handle cover 2 is adjusted. The handle cover positioning pieces 221 and 231 of the handle cover 2 are mounted in the handle positioning grooves 123 and 124 of the handle, and then the handle cover 2 is press-fitted to the base 4, and when mounted, the handle 1 is rotated. Adjust the position between the handle cover positioning pieces 221, 231 and the base positioning grooves 45, 46; after adjusting the position, the handle cover 2 is press-fitted to the base 4. At this time, the handle cover positioning pieces 221 and 231 are separated from the handle positioning grooves 123 and 124 and are mounted in the base positioning grooves 45 and 46. The end surface of the handle mounting portion 12 is located at the bottom surface 47 of the base.

Of course, as in the first embodiment, during the process of pressing the handle cover 2 to the base 4, The clamping protrusions 24, 25 on the handle cover 2 respectively press the first free end 313 and the second free end 323 inward. Referring to Figures 10-12, the first free end 313 and the second free end 323 The pressure is tightened inwardly, and the first handle clamping spring 31 and the second handle clamping spring 32 catch the handle recess 121 on the handle mounting portion 12, so that the user can only handle the handle 1 on the base 4 The circular motion does not pull the handle 1 out of the base 4 in the vertical direction.

Referring to FIG. 18, when the handle 1 is rotated, the positions of the handle positioning grooves 123, 124 no longer correspond to the positions of the handle cover positioning pieces 221, 231 (that is, not directly above the handle cover positioning pieces 221, 231). The handle cover positioning pieces 221, 231 are pressed by the end faces of the handle mounting portion 12, and the handle cover 2 cannot be pulled out from the base 4. When the handle cover 2 is to be detached from the base 4, the handle 1 is rotated so that the positions of the handle positioning grooves 123, 124 correspond to the positions of the handle cover positioning pieces 221, 231 (that is, in the handle cover positioning piece). 221, 231 directly above), the end surface of the handle mounting portion 12 no longer presses the handle cover positioning pieces 221, 231, and the handle cover 2 is pushed upward, and the handle cover positioning pieces 221, 231 enter the handle positioning groove 123. , in the 124, the clamping protrusions 24, 25 on the handle cover 2 no longer press the first free end 313 and the second free end 323, the handle 1 and the handle cover 2 can be from the base 4 Remove it.

After the above technical solution is adopted, when the handle 1 and the handle cover 2 are mounted on the base 4, the user cannot easily remove the handle cover 2 from the base 4, thereby effectively preventing the user from using the handle. In the event of a misoperation, the handle cover 2 and the handle 1 are detached from the base 4.

When the user needs to remove the handle cover 2 and the handle 1 from the base 4, it is only necessary to rotate the position of the handle positioning grooves 123, 124 directly above the handle cover positioning pieces 221, 231.

Referring to FIGS. 10-12 and 22, the two base positioning grooves 45, 46 are oppositely disposed, and the connecting lines are offset from the vertical line (Y axis) and the horizontal line (X axis) of the base 4. Since the handle 1 is generally in a horizontal or vertical state in a stationary state, the position of the handle positioning grooves 123, 124 on the handle 1 is not above the base positioning grooves 45, 46, and is not in the same position. The cover is positioned above the positioning pieces 221, 231, so that when the handle 1 is in a stationary state, the user cannot remove the handle cover 2 from the base 4, and the handle 1 and the handle cover 2 cannot be removed from the same. The base 4 is detached to further prevent the user from misoperation.

Referring to FIG. 1 and FIG. 7, in the first embodiment and the second embodiment, the first mounting hole 431 is provided with a first inclined surface 432, and the second mounting hole 441 is provided with a second inclined surface 442; The first slope 432 is inclined downward from front to back, and the second slope 442 is also inclined downward from front to back. After adopting the above technical solution, when the clamping protrusions 24, 25 on the handle cover 2 respectively press the first free end 313 and the second free end 323 inward, the first free end 313 and the second free end The end 323 is not only tightened inward by the pressure, but also presses the handle recess 121 downward, so that the end surface of the handle mounting portion 12 abuts against the bottom surface 47 of the base, thereby ensuring a good fit between the handle 1 and the base 4, thereby effectively avoiding the handle 1 Looseness on the base 4 affects the normal use of the handle.

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

Claims

Rights request

A handle comprising a handle, a handle cover and a base, wherein one end of the handle is a handle mounting portion, the handle mounting portion is coupled to the base, and the handle cover is coupled to the base, and is characterized by: a handle clamping member for clamping the handle mounting portion, the handle clamping member is mounted on the base, the handle mounting portion is provided with a handle clamping portion, and the handle clamping member is connected with the handle clamping portion; The handle cover is provided with a handle cover clamping portion for clamping the handle clamp to the handle grip portion.

2. The handle of claim 1, wherein: the handle clamping member is a clamping spring, the clamping spring is mounted on the base, and the handle clamping portion is a handle recess. The handle groove is formed on the handle mounting portion, the width of the four slots of the handle is matched with the width of the clamping spring, the clamping portion is a clamping protrusion, and the clamping protrusion is disposed on the handle The inner wall of the cover.

3. A handle according to claim 2, wherein: said handle clamping spring comprises a first handle clamping spring and a second handle clamping spring, said first handle clamping spring comprising a first a fixed end and a first free end, the second handle clamping spring includes a second fixed end and a second free end; the base is provided with a circular hole in the middle, and the first side of the circular hole of the base is provided with a first installation And a second mounting portion, the first mounting portion is provided with a first mounting slot and a first mounting hole, and the second mounting portion is provided with a second mounting slot and a second mounting hole, the first fixing The first free end is installed in the first mounting hole, the second fixed end is installed in the second mounting slot, and the second free end is installed in the second mounting hole. .

4. A handle according to claim 3, wherein: the upper portion of the first mounting hole is provided with a first inclined surface, and the upper portion of the second mounting hole is provided with a second inclined surface.

The handle of claim 1 or 2, wherein: the handle mounting portion is provided with a handle positioning portion, and the handle cover is provided with a handle cover positioning portion, the base a base positioning portion is disposed on the upper portion; the handle positioning portion is adapted to the handle cover positioning portion, and the handle cover α is The positioning portion is adapted to the base positioning portion.

The handle of claim 5, wherein: the handle positioning portion is a handle positioning slot, and the handle positioning slots are respectively provided on the end surface of the handle mounting portion; The handle positioning portion is a handle cover boss, and the handle cover boss has two protrusions respectively disposed on two sides of the handle cover; the base positioning portion is a base positioning slot, and the base positioning slot has two , opened on both sides of the base.

7. A handle according to claim 6, wherein: said two base positioning slots are oppositely disposed, the lines of which are offset from the vertical and horizontal lines of said base.

8. The handle of claim 6, wherein: the handle cover boss is provided with a handle cover positioning piece, and the bottom of the base is provided with a base bottom surface, and the base bottom surface has a thickness Fits the thickness of the handle cover tab.

9. The handle of claim 3, wherein: the handle recess is provided with four handle groove protrusions, and the handle groove protrusions are evenly distributed in the handle groove. The first clamping spring and the second clamping spring are provided with a first groove and a second groove for engaging the four-slot protrusion of the handle, the first groove and the second groove and the handle groove protrusion Fitted.

10. A handle according to claim 9, wherein: said handle recess projections are opposite each other, and the lines of the opposing handle recess projections are parallel to the horizontal and vertical lines of the handle.

A handle according to claim 3, wherein: the first clamping spring and the second clamping spring are respectively provided with a third groove and a fourth groove, wherein the base is provided a first positioning post and a second positioning post, wherein the first positioning post and the second positioning post are sized to match the third groove and the fourth groove, and the position and the position of the third groove and the fourth groove are Corresponding.