Electric embroidering vamp tool

Abstract

The utility model relates to an electric embroidery vamp tool which comprises an outer frame and an inner frame, the outer frame is installed on an electric embroidery workbench, a first hole is formed in the outer frame, the outer frame is provided with more than two first hanging nails in the circumferential direction of the first hole, and the first hanging nails are used for hanging reinforcing cloth; the inner frame is detachably installed on the outer frame, a second hole is formed in the inner frame, the inner frame is provided with more than two second hanging nails in the circumferential direction of the second hole, and the second hanging nails are used for hanging the base cloth. According to the technical scheme, the two or more first hanging nails are arranged on the outer frame, the reinforcing cloth can be hung through the first hanging nails, taking is convenient, meanwhile, the first hanging nails can be sewn with the base cloth hung on the inner frame, the vamp on the base cloth is reinforced, the reverse side of the vamp is smoother and higher in texture, durability can be enhanced, and the service life is prolonged; and when in contact with the human skin, the comfort of a wearer is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric embroidery vamp, especially to an electric embroidery vamp tool. BACKGROUND

[0002] When the base cloth is relatively thin, the reverse side of the embroidery feels bad and is relatively rough, and the reverse side is the part that contacts the human skin, which seriously affects the comfort of the wearer. SUMMARY

[0003] In view of the above problems, the present application provides an electric embroidery vamp tool to solve the technical problem that the reverse side of the embroidery feels bad and is relatively rough, which seriously affects the comfort of the wearer.

[0004] To achieve the above-mentioned purpose, the inventor provides an electric embroidery vamp tool, which comprises:

[0005] An outer frame is mounted on the electric embroidery workbench, a first hole is formed in the inner part of the outer frame, and two or more first hooks are arranged on the circumference of the first hole, which are used for hanging the reinforcing cloth;

[0006] An inner frame is detachably mounted on the outer frame, a second hole is formed in the inner part of the inner frame, and two or more second hooks are arranged on the circumference of the second hole, which are used for hanging the base cloth.

[0007] Different from the prior art, the technical scheme of the present application is provided with two or more first hooks on the outer frame, which can be used for hanging the reinforcing cloth, facilitating the taking and sewing the base cloth hung on the inner frame, reinforcing the vamp on the base cloth, making the reverse side of the vamp more flat, the texture stronger and the durability enhanced, prolonging the service life and improving the comfort of the wearer when contacting the human skin.

[0008] As an embodiment of the utility model, the electric embroidery vamp tool further comprises a magnetic attraction assembly, and the inner frame is mounted on the outer frame through the magnetic attraction assembly.

[0009] In this way, the inner frame is fixedly mounted on the outer frame through the magnetic attraction assembly, and the magnetic attraction connection structure is simple.

[0010] As an embodiment of the utility model, the magnetic attraction assembly comprises a first magnetic plate, and the upper end of the inner frame is mounted on the upper end of the outer frame through the first magnetic plate.

[0011] A first magnetic member is arranged on the first magnetic plate, a second magnetic member is arranged on the outer frame at the corresponding position of the first magnetic member, a first connecting hole and a second connecting hole are formed below the first magnetic member on the first magnetic plate, the first connecting hole is used for cooperating with the first hook, the second connecting hole is used for cooperating with the second hook, and the first magnetic member and the second magnetic member are magnetically connected.

[0012] Thus, the upper end of the inner frame is fixed with the upper end of the outer frame through the first magnetic plate, so as to realize the fixation between the inner frame and the outer frame.

[0013] As an embodiment of the present application, the first magnetic member and the second magnetic member are both magnets.

[0014] Thus, the first magnetic member and the second magnetic member can be magnetically connected.

[0015] As an embodiment of the present application, the magnetic assembly further comprises a second magnetic plate, and the lower end of the inner frame is installed on the lower end of the outer frame through the second magnetic plate.

[0016] The second magnetic plate is provided with a third magnetic member, the outer frame is provided with a fourth magnetic member at the position corresponding to the third magnetic member, the second magnetic plate is provided with a third connecting hole and a fourth connecting hole above the third magnetic member, the third connecting hole is used for cooperating with the first hanging nail, the fourth connecting hole is used for cooperating with the second hanging nail, and the third magnetic member is magnetically connected with the fourth magnetic member.

[0017] Thus, the fixation between the inner frame and the outer frame is strengthened through the second magnetic plate, so that the upper end and the lower end of the inner frame and the outer frame are fixed.

[0018] As an embodiment of the present application, the third magnetic member and the fourth magnetic member are both magnets.

[0019] Thus, the third magnetic member and the fourth magnetic member can be magnetically connected.

[0020] As an embodiment of the present application, the electric embroidery vamp tool further comprises a sticking assembly, and the inner frame is installed on the outer frame through the sticking assembly.

[0021] Thus, the inner frame is fixed and installed on the outer frame through the sticking assembly, and the sticking assembly has low cost.

[0022] As an embodiment of the present application, the sticking assembly comprises a first magic tape, and the upper end of the inner frame is installed on the upper end of the outer frame through the first magic tape.

[0023] The first magic tape comprises a first adhesive surface and a second adhesive surface, the first adhesive surface is installed at the upper end of the outer frame, and the second adhesive surface is used for being adhered to the first adhesive surface and is used for being matched with the first nail and the second nail.

[0024] In this way, the second adhesive surface is adhered to the first adhesive surface to fix the second adhesive surface to the outer frame, and then the second adhesive surface is hung on the first nail and the second nail to be fixed.

[0025] As an embodiment of the present application, the adhesive assembly further comprises a second magic tape, and the lower end of the inner frame is installed at the lower end of the outer frame through the second magic tape.

[0026] The second magic tape comprises a third adhesive surface and a fourth adhesive surface, the third adhesive surface is installed at the lower end of the outer frame, and the fourth adhesive surface is used for being adhered to the third adhesive surface and is used for being matched with the first nail and the second nail.

[0027] In this way, the second magic tape is arranged to strengthen the fixation between the inner frame and the outer frame, so that the upper end and the lower end of the inner frame and the outer frame are fixed. Specifically, the fourth adhesive surface is adhered to the third adhesive surface to fix the fourth adhesive surface to the outer frame, and then the fourth adhesive surface is hung on the first nail and the second nail to be fixed.

[0028] As an embodiment of the present application, the shape of the first hole is consistent with the shape of the inner frame and the second hole, and the outer edge of the inner frame is matched with the first hole.

[0029] In this way, the shape of the inner frame, the first hole and the second hole is consistent, the inner frame is positioned with the outer frame, and then the inner frame is conveniently put into the outer frame.

[0030] The above-mentioned content related to the description is only a summary of the technical scheme of the present application, in order to enable those skilled in the art to more clearly understand the technical scheme of the present application, and then can be implemented according to the content of the description and the drawings, and in order to enable the above-mentioned purpose and other purposes, characteristics and advantages of the present application to be more easily understood, the following is described in combination with the specific embodiments of the present application and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0031] The drawings are only used to show the principles, implementation modes, applications, characteristics and effects of the specific embodiments of the present application and other related contents, and cannot be considered as the limitation of the present application.

[0032] In the drawings:

[0033] Figure 1 Structure diagram of the electric embroidery vamp tool for one embodiment of the present application;

[0034] Figure 2 Structure diagram of the electric embroidery vamp tool for one embodiment of the present application;

[0035] Figure 3 Structure diagram of the outer frame for one embodiment of the present application;

[0036] Figure 4 Structure diagram of the inner frame for one embodiment of the present application;

[0037] Figure 5 Structure diagram of the first magnetic plate for one embodiment of the present application;

[0038] Figure 6 Structure diagram of the second magnetic plate for one embodiment of the present application.

[0039] The reference signs involved in the above-mentioned drawings are explained as follows:

[0040] 100-electric embroidery vamp tool; 1-outer frame; 11-first hole; 12-first hanging nail; 13-second magnetic member; 14-fourth magnetic member; 2-inner frame; 21-second hole; 22-second hanging nail; 3-magnetic assembly; 31-first magnetic plate; 311-first magnetic member; 312-first connecting hole; 313-second connecting hole; 32-second magnetic plate; 321-third magnetic member; 322-third connecting hole; 323-fourth connecting hole; 4-pasting assembly; 41-first magic tape; 42-second magic tape. DETAILED DESCRIPTION

[0041] In order to describe possible application scenarios, technical principles, specific implementable schemes, and purposes and effects of the present application in detail, the following will be described in detail in combination with specific embodiments listed below and in cooperation with the drawings. The embodiments described in the present text are only used to more clearly illustrate the technical schemes of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0042] In the present text, the term “embodiment” means that the specific features, structures or characteristics described in combination with the embodiment can be contained in at least one embodiment of the present application. The term “embodiment” appearing at various positions in the specification does not necessarily refer to the same embodiment, and does not particularly limit the independence or association between other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, each technical feature mentioned in each embodiment can be combined in any way to form a corresponding implementable technical scheme.

[0043] Unless otherwise defined, the technical terms used in the present application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of related terms in the present application is only for the purpose of describing specific embodiments and is not intended to limit the present application.

[0044] In the description of the present application, the phrase "and / or" is a description of the logical relationship between objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally represents that the associated objects before and after are a "or" logical relationship.

[0045] In the present application, the terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, primary and secondary, or order relationship between the entities or operations.

[0046] In the present application, the phrases "include", "contain", "have" or other similar expressions used in the sentence are intended to cover non-exclusive inclusion, and these expressions do not exclude the presence of other elements in the process, method or product including the described elements, so that the process, method or product including a series of elements can not only include those limited elements, but also include other elements not explicitly listed, or also include the elements inherent in such process, method or product.

[0047] As the same as the understanding in the "Guidelines for Examination", in the present application, the expressions such as "greater than", "less than", "exceed" are understood as not including the number; the expressions such as "above", "below", "within" are understood as including the number. In addition, in the description of the embodiments of the present application, the meaning of "multiple" is more than two (including two), and similar expressions related to "multiple" are also understood in this way, for example, "multiple groups", "multiple times" and the like, unless otherwise explicitly limited.

[0048] In the description of the embodiments of the present application, the spatial-related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "perpendicular", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or the drawings, and are only for the convenience of describing the specific embodiments of the present application or for the reader to understand, and are not intended to indicate or imply that the indicated device or component must have a particular position, a particular orientation, or be constructed or operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0049] Unless otherwise clearly indicated or implied to the contrary by context, where the terms "mount", "couple", "connect", "attach" or the like are used herein with respect to an element, it is contemplated that the element can be mounted, coupled, connected, attached or the like directly to another element or mounted, coupled, connected, attached or the like indirectly to another element via one or more intermediary elements. Where the term "directly coupled" or the like is used herein with respect to an element, it is contemplated that the element can be coupled or the like directly to another element.

[0050] According to some embodiments of the present application, please refer to Figures 1 to 6 The present embodiment relates to an electric embroidery vamp tool 100, comprising an outer frame 1 and an inner frame 2, the outer frame 1 is mounted on an electric embroidery workbench, a first hole 11 is formed in the inner part of the outer frame 1, and two or more first nails 12 are arranged on the circumference of the first hole 11, the first nails 12 are used for hanging reinforcing cloth; the inner frame 2 is detachably mounted on the outer frame 1, a second hole 21 is formed in the inner part of the inner frame 2, and two or more second nails 22 are arranged on the circumference of the second hole 21, the second nails 22 are used for hanging base cloth.

[0051] Optionally, two or more first nails 12 are evenly arranged on the circumference of the first hole 11 of the outer frame 1, and two or more second nails 22 are evenly arranged on the circumference of the second hole 21 of the inner frame 2, and the number of the first nails 12 is consistent with the number of the second nails 22. As shown in Figure 3 and Figure 4 The number of the first nails 12 and the number of the second nails 22 are both 22.

[0052] Differing from the prior art, the technical scheme of the present application is provided with two or more first nails 12 on the outer frame 1, the first nails 12 can be used for hanging reinforcing cloth, which is convenient for taking, and can also be sewn with the base cloth hung on the inner frame 2, so as to reinforce the vamp on the base cloth, make the opposite side of the vamp more flat, the texture stronger and the durability enhanced, prolong the service life, and improve the comfort of the wearer when in contact with the human skin.

[0053] According to some embodiments of the present application, optionally, as shown in Figure 1 The electric embroidery vamp tool 100 further comprises a magnetic attraction assembly 3, and the inner frame 2 is mounted on the outer frame 1 through the magnetic attraction assembly 3.

[0054] In this way, the inner frame 2 is fixedly mounted on the outer frame 1 through the magnetic attraction assembly 3, and the magnetic attraction connection structure is simple.

[0055] According to some embodiments of the present application, optionally, as shown in Figure 1 and Figure 5As shown, the magnetic assembly 3 comprises a first magnetic plate 31, the upper end of the inner frame 2 is installed on the upper end of the outer frame 1 through the first magnetic plate 31; the first magnetic plate 31 is provided with a first magnetic member 311, the outer frame 1 is provided with a second magnetic member 13 at the position corresponding to the first magnetic member 311, the first magnetic plate 31 is provided with a first connecting hole 312 and a second connecting hole 313 below the first magnetic member 311, the first connecting hole 312 is used for cooperating with the first hanging nail 12, the second connecting hole 313 is used for cooperating with the second hanging nail 22, and the first magnetic member 311 is magnetically connected with the second magnetic member 13.

[0056] Optionally, the first magnetic plate 31 is a transparent plate, which facilitates the user to observe the installation condition.

[0057] In this way, the upper end of the inner frame 2 is cooperated with the upper end of the outer frame 1 through the first magnetic plate 31, so as to realize the fixation between the inner frame 2 and the outer frame 1. Specifically, the first magnetic plate 31 is magnetically connected with the second magnetic member 13 through the first magnetic member 311, so as to fix the first magnetic plate 31 with the outer frame 1, and then the first magnetic plate 31 is positioned and fixed with the outer frame 1 and the inner frame 2 through the first connecting hole 312 and the second connecting hole 313 respectively.

[0058] According to some embodiments of the present application, optionally, the first magnetic member 311 and the second magnetic member 13 are both magnets; or one of the first magnetic member 311 and the second magnetic member 13 is a magnet, and the other is a metal block.

[0059] In this way, the first magnetic member 311 and the second magnetic member 13 can meet the magnetic connection.

[0060] According to some embodiments of the present application, optionally, as shown in Figure 1 and Figure 6 As shown, the magnetic assembly 3 further comprises a second magnetic plate 32, the lower end of the inner frame 2 is installed on the lower end of the outer frame 1 through the second magnetic plate 32; the second magnetic plate 32 is provided with a third magnetic member 321, the outer frame 1 is provided with a fourth magnetic member 14 at the position corresponding to the third magnetic member 321, the second magnetic plate 32 is provided with a third connecting hole 322 and a fourth connecting hole 323 above the third magnetic member 321, the third connecting hole 322 is used for cooperating with the first hanging nail 12, the fourth connecting hole 323 is used for cooperating with the second hanging nail 22, and the third magnetic member 321 is magnetically connected with the fourth magnetic member 14.

[0061] Optionally, the second magnetic plate 32 is a transparent plate, which facilitates the user to observe the installation condition.

[0062] Therefore, the second magnetic plate 32 is arranged to strengthen the fixation between the inner frame 2 and the outer frame 1, so that the upper end and the lower end of the inner frame 2 and the outer frame 1 are fixed. Specifically, the second magnetic plate 32 is magnetically connected to the third magnetic member 321 and the fourth magnetic member 14, so that the second magnetic plate 32 is fixed to the outer frame 1, and then the second magnetic plate 32 is positioned and fixed to the outer frame 1 and the inner frame 2 through the third connecting hole 322 and the fourth connecting hole 323 respectively.

[0063] According to some embodiments of the present application, optionally, the third magnetic member 321 and the fourth magnetic member 14 are both magnets; or one of the third magnetic member 321 and the fourth magnetic member 14 is a magnet, and the other is a metal block.

[0064] Therefore, the third magnetic member 321 and the fourth magnetic member 14 can be magnetically connected.

[0065] According to some embodiments of the present application, optionally, as shown in Figure 2 The upper end of the inner frame 2 is installed on the upper end of the outer frame 1 through the adhesive assembly 4.

[0066] Therefore, the inner frame 2 is conveniently fixed and installed on the outer frame 1 through the adhesive assembly 4, and the adhesive assembly 4 has low cost.

[0067] According to some embodiments of the present application, optionally, as shown in Figure 2 The upper end of the inner frame 2 is installed on the upper end of the outer frame 1 through the first magic tape 41. The first magic tape 41 includes a first adhesive surface and a second adhesive surface. The first adhesive surface is installed on the upper end of the outer frame 1, and the second adhesive surface is used to be pasted with the first adhesive surface and is also used to cooperate with the first nail 12 and the second nail 22.

[0068] Since the second adhesive surface is made of flexible material and has a gap, it can cooperate with the first nail 12 and the second nail 22 without additional punching compared with the magnetic plate.

[0069] Therefore, the second adhesive surface is fixed to the outer frame 1 by pasting the first magic tape 41, and then the second adhesive surface is positioned and fixed by hanging on the first nail 12 and the second nail 22. The first adhesive surface and the second adhesive surface can both be hook surfaces, or the first adhesive surface is a rough surface and the second adhesive surface is a hook surface.

[0070] According to some embodiments of the present application, optionally, as shown in Figure 2As shown, the sticking assembly 4 further comprises a second magic tape 42, the lower end of the inner frame 2 is installed on the lower end of the outer frame 1 through the second magic tape 42; the second magic tape 42 comprises a third sticking surface and a fourth sticking surface, the third sticking surface is installed on the lower end of the outer frame 1, and the fourth sticking surface is used for sticking with the third sticking surface and further used for cooperating with the first nail 12 and the second nail 22.

[0071] Since the fourth sticking surface is made of flexible material and has a gap itself, it can cooperate with the first nail 12 and the second nail 22 without additional punching compared with the magnetic plate.

[0072] In this way, the second magic tape 42 is arranged to strengthen the fixation between the inner frame 2 and the outer frame 1, so that the upper end and the lower end of the inner frame 2 and the outer frame 1 are fixed. Specifically, the fourth sticking surface is stuck with the third sticking surface to fix the fourth sticking surface with the outer frame 1, and then the fourth sticking surface is hung on the first nail 12 and the second nail 22 for positioning and fixation. The third sticking surface and the fourth sticking surface can both be hook surfaces, or the third sticking surface is a rough surface and the fourth sticking surface is a hook surface.

[0073] According to some embodiments of the present application, optionally, Figure 1 and Figure 2 As shown, the shape of the first hole 11 is consistent with the shape of the inner frame 2 and the second hole 21, and the outer edge of the inner frame 2 is fitted with the first hole 11.

[0074] In this way, the shapes of the inner frame 2, the first hole 11 and the second hole 21 are consistent, and the inner frame 2 is positioned with the outer frame 1, so as to facilitate the placement of the inner frame 2 into the outer frame 1.

[0075] The working principle of the electric embroidery vamp tool 100 is as follows: first, the outer frame 1 is installed on the electric embroidery workbench, and then the inner frame 2 is installed on the outer frame 1, after that, the base cloth is hung on the inner frame 2 through the second nail 22 to electrically embroider the vamp; secondly, after the electrically embroidered vamp is completed, the inner frame 2 is taken out, and then the reinforcing cloth is hung on the outer frame 1 through the first nail 12, after that, the inner frame 2 is installed on the outer frame 1, at this time, the inner frame 2 still has the base cloth with the vamp hung thereon; thirdly, the vamp on the base cloth is reinforced, and the base cloth and the reinforcing cloth are fixed during this process; finally, after the reinforcement is completed, the finished product is taken out by removing the frame, and the excess reinforcing cloth is cut.

[0076] Those skilled in the art can understand that although some embodiments herein include certain features included in other embodiments rather than other features, the combination of features of different embodiments means to be within the scope of the present application and form different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

[0077] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than limit them. Although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced equivalently. Such modifications or replacements do not change the essence of the corresponding technical solutions, which should be covered in the scope of the claims and the specification of the present application. In particular, the technical features mentioned in each embodiment can be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An electrical stitching lasts, characterized in that, The utility model relates to an electric embroidery shoe upper tool, which comprises an outer frame and an inner frame. The outer frame is mounted on an electric embroidery workbench, and a first hole is formed in the inner part of the outer frame. Two or more first hooks are arranged on the periphery of the first hole of the outer frame, and the first hooks are used for hanging reinforcing cloth.

2. The electrical stitching lasts according to claim 1, wherein, The inner frame is detachably mounted on the outer frame, and a second hole is formed in the inner part of the inner frame.

3. The electrical stitching lasts of claim 2, wherein, Two or more second hooks are arranged on the periphery of the second hole of the inner frame, and the second hooks are used for hanging base cloth. The electric embroidery shoe upper tool further comprises a magnetic assembly, and the inner frame is mounted on the outer frame through the magnetic assembly.

4. The electrical stitching lasts of claim 3, wherein, The magnetic assembly comprises a first magnetic plate, and the upper end of the inner frame is mounted on the upper end of the outer frame through the first magnetic plate.

5. The electrical stitching lasts of claim 2, wherein, A first magnetic member is arranged on the first magnetic plate, and a second magnetic member is arranged on the outer frame at the corresponding position of the first magnetic member. A first connecting hole and a second connecting hole are formed below the first magnetic member on the first magnetic plate.

6. The electrical stitching lasts of claim 5, wherein, The first connecting hole is used for cooperating with the first hook, the second connecting hole is used for cooperating with the second hook, and the first magnetic member and the second magnetic member are magnetically connected.

7. The electrical stitching lasts of claim 1, wherein, The first magnetic member and the second magnetic member are both magnets, or one of the first magnetic member and the second magnetic member is a magnet, and the other is a metal block.

8. The electrical stitching lasts of claim 7, wherein, The magnetic assembly further comprises a second magnetic plate, and the lower end of the inner frame is mounted on the lower end of the outer frame through the second magnetic plate. A third magnetic member is arranged on the second magnetic plate, and a fourth magnetic member is arranged on the outer frame at the corresponding position of the third magnetic member.

9. The electrical stitching lasts of claim 7, wherein, A third connecting hole and a fourth connecting hole are formed above the third magnetic member on the second magnetic plate. The third connecting hole is used for cooperating with the first hook, the fourth connecting hole is used for cooperating with the second hook, and the third magnetic member and the fourth magnetic member are magnetically connected.

10. The electrical stitching lasts of claim 1, wherein, The third magnetic member and the fourth magnetic member are both magnets, or one of the third magnetic member and the fourth magnetic member is a magnet, and the other is a metal block. The electric embroidery shoe upper tool further comprises a sticking assembly, and the inner frame is mounted on the outer frame through the sticking assembly. The sticking assembly comprises a first magic tape, and the upper end of the inner frame is mounted on the upper end of the outer frame through the first magic tape. The first magic tape comprises a first sticking surface and a second sticking surface. The first sticking surface is mounted on the upper end of the outer frame, the second sticking surface is used for sticking with the first sticking surface, and the second sticking surface is also used for cooperating with the first hook and the second hook. The sticking assembly further comprises a second magic tape, and the lower end of the inner frame is mounted on the lower end of the outer frame through the second magic tape. The second magic tape comprises a third sticking surface and a fourth sticking surface. The third sticking surface is mounted on the lower end of the outer frame, the fourth sticking surface is used for sticking with the third sticking surface, and the fourth sticking surface is also used for cooperating with the first hook and the second hook. The shape of the first hole is consistent with the shape of the inner frame and the second hole, and the outer edge of the inner frame is fitted with the first hole.

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