Film pasting device

Abstract

The embodiment of the utility model provides a film pasting device, which comprises a main body part, a film pasting part and a film pasting part, an accommodating cavity for accommodating the electronic equipment is formed in the main body piece; the film pressing piece is arranged at one end of the main body piece, a connecting part and a film pressing part are arranged on the film pressing piece, and the connecting part is rotationally connected with the end and is in sliding connection with the main body piece in the length direction of the main body piece; the film pressing part is connected with the connecting part; wherein a first sliding limiting part is arranged on the connecting part, a first arc-shaped sliding rail part corresponding to the first sliding limiting part is arranged on the side wall of the end part, and when the connecting part rotates relative to the end part of the main body part, the first sliding limiting part slides relative to the first arc-shaped sliding rail part. According to the embodiment, the film pressing piece and the main body piece can be connected in a rotating and sliding mode, storage of the film pasting device can be facilitated, and space can be saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic equipment film pasting accessories field especially, relate to a film pasting device. BACKGROUND

[0002] With the development of science and technology, more and more electronic equipment products such as mobile phones, notebooks, smart watches and the like appear in people's work, social or entertainment, and become an indispensable part of people's life, in order to prevent the screen of mobile phone from being damaged due to external force, many people will choose to use the film pasting device to paste the film on the screen of mobile phone, notebook, smart watch and the like.

[0003] The existing film pasting device is generally composed of a containing cavity for fixing a mobile phone, a positioning part for fixing a protective film and a film pressing part for pressing the protective film, the protective film is first placed on the positioning part, and then the film pressing part is slid relative to the containing cavity by operation, so that the protective film can be tightly attached to the display screen of the electronic device. Since the film pressing part needs to press the protective film onto the display screen of the electronic device, the film pressing part is generally arranged above the containing cavity to slide, so that the film pasting operation can be conveniently performed. However, since the film pressing part slides above the containing cavity to paste the film, the film pressing part blocks the position for fixing the protective film, so that the protective film is not convenient to place, and after the film pasting device completes the film pasting, the film pasting device is not convenient to store, and occupies a lot of space when stored. SUMMARY

[0004] Therefore, in order to overcome at least part of the defects and deficiencies in the prior art, the utility model embodiment provides a film pasting device.

[0005] Specifically, in one aspect, the utility model provides a film pasting device, which comprises: a main body part forming a containing cavity for containing an electronic device; a film pressing part arranged on the main body part, the film pressing part being provided with a connecting part and a film pressing part, the connecting part being rotatably connected with the end part of the main body part and being slidably connected with the main body part along the length direction of the main body part; the film pressing part is connected with the connecting part; wherein the connecting part is provided with a first sliding limiting part, and a first arc-shaped sliding rail part is arranged on the side wall of the end part corresponding to the first sliding limiting part, and the first sliding limiting part slides relative to the first arc-shaped sliding rail part when the connecting part rotates relative to the end part of the main body part.

[0006] In one embodiment of the utility model, the connecting part is further provided with a sliding part, and the sliding part is located on the side of the first sliding limiting part close to the end part of the main body part; a first sliding rail part is arranged on the side wall of the main body part, and the sliding part is slidably connected with the first sliding rail part.

[0007] In an embodiment of the utility model, the side wall of the main body part is further provided with a second sliding rail part, the first arc-shaped sliding rail part is communicated with the second sliding rail part, and the first sliding limiting part is slidably connected with the second sliding rail part.

[0008] In an embodiment of the utility model, the connecting part is further provided with a second sliding limiting part, the end part is further provided with a second arc-shaped sliding rail part, the second arc-shaped sliding rail part is communicated with the second sliding rail part, and the second sliding limiting part is slidably arranged on the second arc-shaped sliding rail part and slidably connected with the second sliding rail part.

[0009] In an embodiment of the utility model, the first arc-shaped sliding rail part is provided with a first outlet, the first outlet is communicated with the second sliding rail part, the second arc-shaped sliding rail part is provided with a second outlet, and the second outlet is communicated with the second sliding rail part.

[0010] In an embodiment of the utility model, the second sliding rail part is provided with an introduction surface on one end close to the first outlet, and the introduction surface is located on the side wall of the second sliding rail part away from the first sliding rail part, wherein the introduction surface is closer to the end part than the accommodating cavity.

[0011] In an embodiment of the utility model, the introduction surface is an introduction inclined surface, the introduction surface comprises a first end close to the second sliding rail part and a second end opposite to the first end, and the introduction surface is inclined from the second end to the first end, wherein the second end is closer to the end part than the first end.

[0012] In an embodiment of the utility model, when the film pasting device is in a use state, the film pressing part is located above the accommodating cavity, and the connecting part is connected with the end part at an angle.

[0013] In an embodiment of the utility model, the main body part is provided with a protective film fixing position, the protective film fixing position is arranged on one side of the accommodating cavity close to the end part, the film pressing part is located on one side of the connecting part away from the end part, and the distance from the film pressing part to the bottom of the main body part is greater than the distance from the protective film fixing position to the bottom of the main body part.

[0014] In an embodiment of the utility model, when the film pasting device is in a storage state, the film pressing part is turned over to one side of the main body part close to the end part, and the thickness of the film pressing part is less than or equal to the thickness of the main body part.

[0015] As can be seen, the embodiment of the utility model discloses through setting up the connecting portion along the length direction of the main part and the sliding connection with the main part, and through the first sliding stopper slidingly arranged on the first arc-shaped slide rail portion of the end portion of the main part, the rotation connection of the first sliding stopper and the first arc-shaped slide rail portion can be realized, the rotation connection and the sliding connection between the film pressing piece and the main part can be realized, and the film pressing piece can not be separated from the main part through the first sliding stopper, when not needing using, the rotation connection between the connecting portion and the main part can make the film pressing piece rotate to one end of the main part, the storage of the film pasting device can be facilitated, and the film pasting device can save space after storage. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0017] Figure 1 It is a whole structure diagram of the film pasting device provided for the first embodiment of the application.

[0018] Figure 2 It is Figure 1 It is an exploded structure diagram of the film pasting device.

[0019] Figure 3 It is Figure 1 It is the enlarged view of A.

[0020] Figure 4 It is Figure 1 It is the structure diagram of the film pasting device in the use state.

[0021] Figure 5 It is Figure 4 It is another view.

[0022]

Explanation of drawings

[0023] 1: film pasting device;10: main part;11: first slide rail portion;12: second slide rail portion;13: first arc-shaped slide rail portion;14: second arc-shaped slide rail portion;17: protective film fixing position;20: film pressing piece;21: film pressing portion;22: connecting portion;101: containing cavity;102: end portion;121: lead-in surface;131: first outlet;141: second outlet;1211: first end;1212: second end;221: first sliding stopper;222: sliding piece;223: second sliding stopper. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] It should be noted that all directional indications (such as up, down, left, right, front, back, top, bottom) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition and the like between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0026] In the embodiments of the utility model, the description such as "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features.

[0027] In the embodiments of the utility model, the film pasting device 1 is used for the device for pasting film on electronic equipment, and the electronic equipment is, for example, mobile phone, notebook computer, iPad, smart watch and the like. In the embodiments of the utility model, the electronic equipment is taken as a smart watch for example.

[0028] Referring to Figures 1-4 The utility model discloses a kind of film pasting devices 1, which includes, for example: main body piece 10 and press film piece 20.

[0029] Specifically, accommodating cavity 101 for accommodating electronic equipment is formed in the main body piece 10. The electronic equipment is, for example, mobile phone, notebook computer, iPad, smart watch and the like. The main body piece 10 can be, for example, the main body part of film pasting device 1, and the main body piece 10 can be used to accommodate and fix relevant electronic equipment and can be used to place protective film. The press film piece 20 is arranged at one end 102 of the main body piece 10, and is rotationally connected with the main body piece 10.

[0030] Specifically, as shown in Figure 2 The press film piece 20 is provided with connecting portion 22 and press film portion 21, and the connecting portion 22 is reversely connected with the end 102 and is slidingly connected with the main body piece 10 along the length direction of the main body piece 10. The press film portion 21 is connected with the connecting portion 22. The press film portion 21 can be, for example, roller, sponge and the like.

[0031] The connecting portion 22 is provided with a first sliding stopper 221, and a first arcuate slide rail portion 13 is provided on the sidewall of the end portion 102 corresponding to the first sliding stopper 221. When the connecting portion 22 rotates relative to the end portion 102 of the main member 10, the first sliding stopper 221 slides relative to the first arcuate slide rail portion 13. The first sliding stopper 221 can be, for example, a long, rectangular slider. The first arcuate slide rail portion 13 can be, for example, a circular arc-shaped groove. The end portion 102 of the main member 10 can also be configured as a semicircular end portion to accommodate the rotation of the die pressing member 20.

[0032] For example, if Figure 1 As shown, the film-sticking device 1 is in an unused state or in a state where it needs to be stored after use. The film-pressing member 20 is arranged on the end 102 close to the main body 10, and one end of the film-pressing member is connected to the end 102, wherein the film-pressing member 20 and the main body 10 are kept flat, and the upper surface of the film-pressing member 20 and the upper surface of the main body 10 are located on the same horizontal plane, so that the film-sticking device can be kept in a flat storage state when not in use or after use, which is convenient for users to store.

[0033] When the film sticking device 1 is in use, that is, when the film sticking device 1 is sticking film, Figure 4 As shown, at this time, the film pressing member 20 slides to the left front relative to the main body 10 through the rotational connection between the connecting portion 22 and the main body 10, and the sliding cooperation between the first sliding limit member 221 and the first arc-shaped slide rail portion 13, until the film pressing member 20 rotates to the top of the accommodating cavity 101. At this time, the user can slide the film pressing member 20 above the accommodating cavity 101 through the sliding connecting portion 22, and press down the protective film on the electronic device placed in the accommodating cavity, so that the protective film can be tightly attached to the display screen of the electronic device.

[0034] The embodiment of the utility model is provided with a connecting portion 22 which is slidably connected to the main body 10 along the length direction of the main body 10, and a first sliding limiter 221 is provided on the connecting portion 22 which is slidably provided on the first arcuate slide rail portion 13 provided at the end 102 of the main body 10, so as to realize the rotational connection between the first sliding limiter 221 and the first arcuate slide rail portion 13, so that the film pressing member 20 and the main body 10 can be rotated and slidably connected, and the film pressing member 20 can be prevented from separating from the main body 10 by the first sliding limiter 221. When it is not needed, the film pressing member 20 can be rotated to one end of the main body 10 by the rotational connection between the connecting portion 22 and the main body 10, which can facilitate the storage of the film sticking device 1 and save space after the film sticking device 1 is stored.

[0035] In a preferred embodiment of this embodiment, if Figure 2As shown, the connecting portion is further provided with a sliding member 222. The sliding member 222 is located on the side of the first sliding limiting member 221 close to the end portion 102 of the main body member 10. The side wall of the main body member 10 is provided with a first sliding rail portion 11 and a second sliding rail portion 12. The first arc-shaped sliding rail portion 13 is connected with the second sliding rail portion 12. The sliding member 222 is in sliding connection with the first sliding rail portion 11. The first sliding limiting member 221 is in sliding connection with the second sliding rail portion 12. The sliding member 222 is provided on one end of the connecting portion 22 close to the end portion 102 of the main body member 10. The sliding member 222 is, for example, a circular sliding block. The first sliding rail portion 11 and the second sliding rail portion 12 are, for example, groove portions provided on the side wall of the main body member 10. The sliding member 222 can slide in the first sliding rail portion 11, that is, the sliding member 222 is in mutual cooperation and sliding connection with the first sliding rail portion 11. The second sliding rail portion 12 can cooperate with the first sliding limiting member 221 to make the first sliding limiting member 221 slide in the second sliding rail portion 12. Since the first arc-shaped sliding rail portion 13 is located on the end portion of the main body member 10 close to the pressing film portion 21, the sliding member 222 is a circular sliding block, and the sliding member 222 is provided on the end portion of the connecting portion 22. The rotation of the connecting portion 22 can be driven by the sliding of the circular sliding block, and then the pressing film portion 21 is driven to rotate relative to the main body member 10. The first sliding limiting member 221 is a long strip-shaped sliding block. When the pressing film portion 21 rotates, the long strip-shaped sliding block needs to be positioned, and the cooperation between the first arc-shaped sliding rail portion 13 and the long strip-shaped sliding block makes the sliding rotation of the entire pressing film member 20 more smooth.

[0036] In the embodiment, the first sliding limiting member 221 is in rotating connection with the first arc-shaped sliding rail portion 13, the first sliding limiting member 221 is in sliding connection with the second sliding rail portion 12, and the sliding member 222 is in sliding connection with the first sliding rail portion 11. Therefore, the rotating connection between the pressing film member 20 and the main body member 10 is realized first, and then the sliding connection is realized. The first sliding limiting member 221 can prevent the pressing film member 20 from being separated from the main body member 10. When the device is not used, the rotating connection between the pressing film member 20 and the main body member 10 can make the pressing film member 20 rotate to one end of the main body member 10, so that the device can be conveniently stored and space can be saved after the device is stored.

[0037] Furthermore, as shown in FIG. 1, the pressing film member 20 is provided with a first arc-shaped sliding rail portion 13. Figure 2As shown, the pressing film piece 20 further comprises a second sliding limiting piece 223. Specifically, the second sliding limiting piece 223 is arranged between the first sliding limiting piece 221 and the sliding piece 222. The side of the main body piece 10 is further provided with a second arc-shaped sliding rail part 14, which is arranged between the first arc-shaped sliding rail part 13 and the first sliding rail part 11 and communicates with the second sliding rail part 12; the second sliding limiting piece 223 is in sliding connection with the second sliding rail part 12 and is arranged to slide on the second arc-shaped sliding rail part 14. The second sliding limiting piece 223 is, for example, a long strip-shaped limiting sliding block, and the sliding block length of the second sliding limiting piece 223 is shorter than that of the first sliding limiting piece 221. This is because when the second sliding limiting piece 223 slides in the second arc-shaped sliding rail part 14, the sliding rotation range of the second sliding limiting piece 223 does not need to be very large because the second sliding limiting piece 223 is closer to the sliding piece 222. In order not to affect the sliding of the second sliding limiting piece 223 and the first sliding limiting piece 221, the sliding block lengths of the second sliding limiting piece 223 and the first sliding limiting piece 221 are set to be inconsistent. The second arc-shaped sliding rail part 14 is, for example, a circular-arc-shaped groove part, and the second arc-shaped sliding rail part 14 can be regarded as a semicircular groove part with a smaller radius than the first arc-shaped sliding rail part 13. In this embodiment, the second sliding limiting piece 223 is arranged together with the first sliding limiting piece 221 to limit the pressing film piece 20 to turn over in the first arc-shaped sliding rail part 13 and the second arc-shaped sliding rail part 14, thereby ensuring the stability of the turning over of the pressing film piece 20.

[0038] In a preferred embodiment of this embodiment, as shown in Figures 2-3 The second sliding rail part 12 is provided with a guide-in surface 121 on one end close to the first arc-shaped sliding rail part 13. The guide-in surface 121 is located on the side wall of the second sliding rail part 12 away from the first sliding rail part 11 and is in sliding connection with the first sliding limiting piece 221. The guide-in surface 121 is used to guide the pressing film piece 20 to continue to slide in the first sliding rail part 11 and the first sliding limiting piece 221 and the second sliding limiting piece 223 to continue to slide in the second sliding rail part 12 after the pressing film piece 20 is turned over and pressed down at one end of the main body piece 10. The guide-in surface 121 is closer to the end part 102 than the accommodating cavity 101, which can ensure that the pressing film piece 20 can be pressed into place after being turned over above the accommodating cavity 101 and sliding above the accommodating cavity 101 to above the electronic device, thereby completing the process of pressing and pasting the film.

[0039] Furthermore, as shown in Figure 3As shown, the guide surface 121 is a guide slope, the guide surface 121 includes a first end 1211 close to the second slide rail part 12, and a second end 1212 opposite to the first end 1211, the guide surface 121 is inclined from the second end 1212 to the first end 1211; wherein the second end 1212 is closer to the film pressing part 21 than the first end 1211. That is, the guide surface extends from the top end of the main body part 10 to the bottom end of the main body part 10, and is inclined inwardly in the direction of the accommodating cavity part, so as to further ensure that the film pressing part 20 can continue to slide in the main body part 10 after the film pressing part 20 is turned over between the main body part 10 and the film pressing part 20.

[0040] Further, as shown in Figure 3 As shown, the first arc-shaped slide rail part 13 is provided with a first outlet 131, the first outlet 131 is in communication with the second slide rail part 12, the second arc-shaped slide rail part 14 is provided with a second outlet 141, the second outlet 141 is in communication with the second slide rail part 12. By providing the first outlet 131 and the second outlet 141 on the first arc-shaped slide rail part 13 and the second arc-shaped slide rail part 14 respectively, and the guide surface 121 is located at the first outlet 131. By such arrangement, the first slide limiting part 221 and the second slide limiting part 223 can be smoothly slid out, and the sliding smoothness of the film pressing part 20 is ensured.

[0041] Further, when the film pasting device 1 is in use, as shown in Figure 4 and Figure 5 As shown, the film pressing part 20 is turned to above the accommodating cavity 101 of the main body part 10, and the film pressing part 20 is connected at an angle with the end part 102 of the main body part 10. The angle is the angle between the side of the connecting part 22 in the film pressing part 20 and the bottom of the main body part 10. When the film pressing part 20 is turned over, the side wall of the film pressing part 20 is connected to the end part 102 at an angle, and the angle range is between 0-90 degrees, not including 0 degree. That is, when the film pressing part 20 is above the accommodating cavity 101, the side wall of the film pressing part 20 is inclined, so as to avoid the end part 102 of the main body part 10 during the turning process of the film pressing part 20, to reduce the volume of the film pressing part 20 after being turned over and then sliding, so as to reduce the volume of the main body part 10 and the film pressing part 20.

[0042] Further, as shown in Figure 4As shown, the main body 10 is provided with a protective film fixing position 17, when the device 1 is in use, the film pressing part 21 is located on the side of the connecting part 22 away from the end 102, when the film pressing part 20 is turned above the protective film fixing position 17, the distance from the film pressing part 21 to the bottom of the main body 10 is greater than the distance from the protective film fixing position 17 to the bottom of the main body 10, which ensures that the film pressing part 21 can avoid the protective film fixing position 17, and when the film pressing part 20 is turned and pressed, the film pressing part 21 can press the protective film on the display screen of the electronic device. At the same time, it can prevent the film pressing part 20 from being pressed to the protective film fixing position 17 after turning, which can cause damage to the protective film on the protective film fixing position 17, and can further save the volume of the device 1.

[0043] Further, as shown, Figure 1 When the device 1 is in a storage state, the film pressing part 20 is turned to the side of the main body 10 close to the end 102, and the thickness of the film pressing part 20 is less than or equal to the thickness of the main body 10. When the device 1 is in a storage state, the upper surface of the main body 10 is flush with the upper surface of the film pressing part 20, which ensures that the main body 10 and the film pressing part 20 can be kept in a flat storage state.

[0044] In addition, it can be understood that the foregoing various embodiments are only exemplary descriptions of the present application, and under the premise that the technical features do not conflict, the structures are not contradictory, and the purpose of the application is not violated, the technical solutions of each embodiment can be arbitrarily combined and used.

[0045] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of each embodiment of the present application.

Claims

1. A film pasting device (1), characterized in that, The utility model relates to a kind of electronic equipment press film device, including: Main body piece (10) is formed with the accommodation cavity (101) of accommodating electronic equipment; Membrane pressing piece (20) is arranged on the main body piece (10), the connecting portion (22) and the membrane pressing portion (21) are arranged on the membrane pressing piece (20), the connecting portion (22) is rotatably connected with the end portion (102) of the main body piece (10), and is slidably connected with the main body piece (10) along the length direction of the main body piece (10);The membrane pressing portion (21) is connected with the connecting portion (22); Wherein, the first sliding limiting piece (221) is arranged on the connecting portion (22), the side wall of the end portion (102) is provided with the first arc-shaped slide rail portion (13) corresponding to the first sliding limiting piece (221), when the connecting portion (22) rotates relative to the end portion (102) of the main body piece (10), the first sliding limiting piece (221) slides relative to the first arc-shaped slide rail portion (13).

2. The device (1) according to claim 1, characterized in that The sliding member (222) is further arranged on the connecting portion (22), and the sliding member (222) is located on the side of the first sliding limiting piece (221) close to the end portion (102) of the main body piece (10);The first slide rail portion (11) is arranged on the side wall of the main body piece (10), and the sliding member (222) is slidably connected with the first slide rail portion (11).

3. The film pasting device (1) according to claim 2, characterized in that, The second slide rail portion (12) is further arranged on the side wall of the main body piece (10), the first arc-shaped slide rail portion (13) is communicated with the second slide rail portion (12), and the first sliding limiting piece (221) is slidably connected with the second slide rail portion (12).

4. The film pasting device (1) according to claim 3, characterized in that, The second sliding limiting piece (223) is further arranged on the connecting portion (22), the second arc-shaped slide rail portion (14) is further arranged on the end portion (102), the second arc-shaped slide rail portion (14) is communicated with the second slide rail portion (12), and the second sliding limiting piece (223) is slidably arranged on the second arc-shaped slide rail portion (14) and slidably connected with the second slide rail portion (12).

5. The film pasting device (1) according to claim 4, characterized in that, The first arc-shaped slide rail portion (13) is provided with the first outlet (131), the first outlet (131) is communicated with the second slide rail portion (12), the second arc-shaped slide rail portion (14) is provided with the second outlet (141), and the second outlet (141) is communicated with the second slide rail portion (12).

6. The film pasting device (1) according to claim 5, characterized in that, The second slide rail portion (12) is provided with the guide surface (121) on the end close to the first outlet (131), and the guide surface (121) is located on the side wall of the second slide rail portion (12) away from the first slide rail portion (11), wherein the guide surface (121) is closer to the end portion (102) than the accommodation cavity (101).

7. The film pasting device (1) according to claim 6, characterized in that, The guide-in surface (121) is a guide-in slope, and the guide-in surface (121) comprises a first end (1211) close to the second slide rail part (12) and a second end (1212) opposite to the first end (1211), and the guide-in surface (121) is inclined from the second end (1212) to the first end (1211); wherein the second end (1212) is closer to the end part (102) than the first end (1211).

8. The film attaching device (1) according to any one of claims 1 to 7, characterized in that, When the film pasting device (1) is in a use state, the film pressing part (20) is located above the accommodating cavity (101), and the connecting part (22) is connected at an angle with the end part (102).

9. The film pasting device (1) according to claim 8, characterized in that, The main body part (10) is provided with a protective film fixing position (17), the protective film fixing position (17) is arranged on one side of the accommodating cavity (101) close to the end part (102), the film pressing part (21) is located on one side of the connecting part (22) away from the end part (102), and the distance from the film pressing part (21) to the bottom of the main body part (10) is greater than the distance from the protective film fixing position (17) to the bottom of the main body part (10).

10. The film attaching device (1) according to any one of claims 1 to 7, characterized in that, When the film pasting device (1) is in a storage state, the film pressing part (20) is flipped to one side of the main body part (10) close to the end part (102), and the thickness of the film pressing part (20) is less than or equal to the thickness of the main body part (10).

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