Box body with elastic buckle

Abstract

The utility model belongs to the technical field of pumps, and provides a box body with an elastic buckle, which comprises a middle shell and a front cover, the middle shell comprises a front panel, the front panel is provided with a mounting opening, the mounting opening is provided with a slot and a first buckle part, and the slot and the first buckle part are respectively positioned on two opposite sides of the mounting opening; the front cover is provided with supporting feet capable of being inserted into the inserting grooves, and the front cover is provided with buckles buckled with the first buckle parts. The box body with the elastic buckle is used for solving the problems that a box body of a water pump is complex to disassemble and assemble and low in efficiency, and meanwhile the problem that the box body is prone to being disassembled and damaged is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pump technical field especially relates to a box body with elastic buckle. BACKGROUND

[0002] At present, the box body on water pump is mostly plastic piece, and the box body and the box cover are fastened and connected through screw, when the structure such as line and control panel in the box body appears fault, need to use tool to unscrew screw. But in many cases, the installation position of water pump is narrow, and it is inconvenient to disassemble using tool, and the box body is damaged easily by disassembling repeatedly. UTILITY MODEL CONTENTS

[0003] In view of the deficiency of prior art, the utility model aims at providing a box body with elastic buckle, which solves the problems of complex disassembly and low efficiency of the box body of water pump, and also solves the problem that the box body is easily damaged by disassembly.

[0004] To achieve the purpose, the utility model adopts the following technical scheme:

[0005] A box body with elastic buckle comprises:

[0006] Middle shell and front cover, the middle shell comprises front panel, the front panel is provided with installation opening, the installation opening is provided with insertion slot and first buckle part, the insertion slot and the first buckle part are located at opposite sides of the installation opening respectively;

[0007] The front cover is provided with the supporting leg that can be inserted into the insertion slot, and the front cover is provided with the buckle that is buckled with the first buckle part.

[0008] As preferably, the box body with elastic buckle further comprises upper cover, the middle shell further comprises side panel and rear panel, the side panel is integrally connected with the front panel, and the rear panel is integrally connected with the side panel or detachably connected with the side panel;

[0009] The upper cover is covered on the top end of the middle shell, and the upper cover and the side panel are buckled and connected through inner buckle and buckle boss;

[0010] One of the upper cover and the rear panel is provided with first clamping hook, and the other is provided with first clamping hook slot buckled with the first clamping hook.

[0011] As preferably, the box body with elastic buckle further comprises base, one of the base and the rear panel is provided with second clamping hook, and the other is provided with second clamping hook slot buckled with the second clamping hook.

[0012] As preferably, the edge of the base is provided with installation opening upward first clamping slot;

[0013] The lower end surface of the middle shell is provided with a first protrusion which is inserted into a first clamping groove.

[0014] Preferably, the edge of the upper cover is provided with a second clamping groove downward from the mounting opening;

[0015] The upper end surface of the middle shell is provided with a second protrusion which is inserted into a second clamping groove.

[0016] Preferably, the base and the middle shell are fastened and connected by a first screw; and / or, one end of the upper cover close to the front panel is connected with the middle shell by a second screw.

[0017] Preferably, the base is provided with a first reinforcing boss which is arranged in the first clamping groove and extends outwardly to the inner side wall of the base, and the first reinforcing boss is arranged integrally with the base.

[0018] The first reinforcing boss is provided with a first L-shaped clamping groove, and the middle shell is inserted into the first L-shaped clamping groove, and the bottom surface of the middle shell abuts against the bottom surface of the first L-shaped clamping groove.

[0019] Preferably, the upper cover is provided with a second reinforcing boss which is arranged in the second clamping groove and extends inwardly to the inner side wall of the upper cover, and the second reinforcing boss is provided with a second L-shaped clamping groove.

[0020] The middle shell is inserted into the second L-shaped clamping groove, and the bottom surface of the middle shell abuts against the bottom surface of the second L-shaped clamping groove.

[0021] Preferably, the upper cover is provided with an inner clasp, and the inner side wall of the side panel of the middle shell is provided with a clasp protrusion.

[0022] Preferably, the upper cover comprises an upper panel and a first arc transition plate which are connected with each other, and the first arc transition plate is provided with a first clamping hook at one end close to the rear panel, and the rear panel is provided with a first clamping hook groove, and the first clamping hook is clamped in the first clamping hook groove.

[0023] Preferably, the base comprises a bottom plate and a second arc transition plate, and the second arc transition plate is provided with a second clamping hook at one end close to the rear panel, and the rear panel is provided with a second clamping hook groove, and the second clamping hook is clamped in the second clamping hook groove.

[0024] Preferably, the first clasp part comprises a clasp pressing body and a resisting part, and the clasp pressing body extends from the edge of the mounting opening to the center of the mounting opening.

[0025] The resisting part is connected to the buckle pressing body and extends from the buckle pressing body to the inside of the middle shell, and a clamping groove is formed between the buckle pressing body and the lower surface of the resisting part;

[0026] The buckle comprises an inner buckle body extending inward from the inner side wall of the front cover and a buckle protrusion extending upward on the inner buckle body;

[0027] The buckle protrusion is clamped in the clamping groove and presses against the resisting part.

[0028] Compared with the prior art, the utility model has the advantages of:

[0029] The utility model discloses a front panel is provided with the first buckle part and the insertion slot in the installation opening, and the corresponding support and buckle are arranged on the front cover, when installing the front cover, the support is inserted into the insertion slot, and the buckle is buckled with the first buckle part, when the structure installed in the box body has a problem, the front cover can be disassembled and assembled more quickly, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is the structure schematic diagram of the first angle of the middle shell in the utility model;

[0031] Figure 2a It is the structure schematic diagram of the second angle of the middle shell in the utility model;

[0032] Figure 2b It is the structure schematic diagram of the second angle of the middle shell in the utility model;

[0033] Figure 3 It is the structure schematic diagram of the first angle of the middle shell in the utility model;

[0034] Figure 4 It is the structure schematic diagram of the second angle of the middle shell in the utility model;

[0035] Figure 5 It is the structure schematic diagram of the front cover in the utility model;

[0036] Figure 6 It is the structure schematic diagram of the front cover in the utility model;

[0037] Figure 7 It is the structure schematic diagram of the front cover in the utility model;

[0038] Figure 8 It is the structure schematic diagram of the front cover in the utility model;

[0039] Figure 9It is partial structure schematic view of middle shell in the utility model;

[0040] Figure 10 It is structure schematic view of base in the utility model;

[0041] Figure 11 It is partial structure schematic view of first angle of base and middle shell in the utility model;

[0042] Figure 12 It is partial structure schematic view of second angle of base and middle shell in the utility model;

[0043] Figure 13 It is structure schematic view of upper cover in the utility model;

[0044] Figure 14 It is partial structure schematic view of first angle of upper cover and middle shell in the utility model;

[0045] Figure 15 It is partial structure schematic view of second angle of upper cover and middle shell in the utility model;

[0046] Figure 16 It is partial structure schematic view of middle shell and front cover in the utility model.

[0047] 1, middle shell;10, installation opening;100, baffle;11, front panel;111, slot;112, first buckle part;1121, buckle press body;1122, resistance part;110, card slot;120, press slot;

[0048] 12, side panel;13, rear panel;131, first hook slot;132, second hook slot;14, second protrusion;15, installation fixed boss;151, installation part;152, support part;153, second threaded hole;17, buckle boss;

[0049] 2, upper cover;21, second card slot;22, second reinforcing boss;23, second L-shaped joint slot;24, inner buckle;241, inner buckle body;242, joint part;243, second reinforcing rib;26, third installation part;261, cylinder;262, second reinforcing rib;263, third installation hole;27, upper panel;28, first arc transition plate;281, first hook;

[0050] 3, base;31, first card slot;32, first protrusion;33, first reinforcing boss;34, first L-shaped joint slot;35, first installation hole;36, first installation part;37, second installation part;371, first threaded hole;372, first reinforcing rib;38, bottom plate;39, second arc transition plate;

[0051] 4, front cover; 41, leg; 42, buckle; 421, buckle body; 423, buckle protrusion;

[0052] 2811, first clamping body; 2812, first clamping protrusion; 282, first clamping groove; 391, second clamping; 3911, second clamping body; 3912, second clamping protrusion. DETAILED DESCRIPTION

[0053] 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 combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0054] Therefore, the detailed description of the embodiments of the utility model provided in the drawings below is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0055] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0056] In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0057] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term "arrangement", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection. For ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0058] In the utility model, unless another explicit provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but are in contact through additional features between them. Moreover, first feature "on", "above" and "upper surface" of second feature includes that first feature is directly above and obliquely above second feature, or just indicates that the horizontal height of first feature is higher than second feature. First feature "under", "below" and "lower surface" of second feature includes that first feature is directly below and obliquely below second feature, or just indicates that the horizontal height of first feature is less than second feature.

[0059] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0060] As Figures 1-8 , shown, in the embodiment, a box body with elastic buckle is provided, which is mainly used for the terminal box of pump, and the pump is a shield pump. The box body includes a middle shell 1 and a front cover 4. The middle shell 1 includes a front panel 11, and the front panel 11 is provided with a mounting opening 10. The mounting opening 10 is provided with a slot 111 and a first buckle part 112. The slot 111 and the first buckle part 112 are located on opposite sides of the mounting opening 10. The front cover 4 is provided with a leg 41 that can be inserted into the slot 111, and the front cover 4 is provided with a buckle 42 that is buckled with the first buckle part 112.

[0061] In the embodiment, the front panel 11 is provided with the mounting opening 10, and the mounting opening 10 is provided with the slot 111 and the first buckle part 112. The front cover 4 is correspondingly provided with the leg 41 and the buckle 42. When the front cover 4 is installed, the leg 41 is inserted into the slot 111, and the buckle 42 is buckled with the first buckle part 112. For the structure installed in the box body, the front cover 4 can be more quickly disassembled, and the working efficiency is improved. The connection between the front cover 4 and the middle shell 1 does not use screws, and the box body will not be damaged due to repeated disassembly and assembly.

[0062] Preferably, the box with elastic buckle further comprises a top cover 2, the middle shell 1 further comprises a side panel 12 integrally connected with the front panel 11, and a rear panel 13 integrally connected with the side panel 12 or detachably connected with the side panel 12;

[0063] The top cover 2 covers the top end of the middle shell 1, and the top cover 2 and the side panel 12 are connected through the inner buckle 42 and the buckle boss 17.

[0064] One of the top cover 2 and the rear panel 13 is provided with a first clamping hook 281, and the other is provided with a first clamping groove 131 clamped with the first clamping hook 281.

[0065] In this embodiment, the middle shell further comprises a side panel 12 and a rear panel 13, the side panel 12 is integrally connected with the front panel 11, and the connection between the two is reduced. The rear panel 13 is integrally connected with the side panel 12, and forms a frame shape with the front panel 11 and the side panel 12. Alternatively, the rear panel 13 and the side panel 12 can be connected by any of screwing, buckling or plugging. In this embodiment, the rear panel 13 is integrally connected with the side panel 12, and the middle shell 1 is a plastic part formed by injection molding.

[0066] The top cover 2 and the side panel 12 of the middle shell 1 are connected through the inner buckle 24 and the buckle boss 17, and at the same time, the top cover 2 and the rear panel 13 are connected through the first clamping hook 281 clamped in the first clamping groove 131. The connection mode of the top cover 2 and the middle shell 1 reduces the number of screws used, and is faster and more convenient to disassemble and assemble.

[0067] Preferably, the box with elastic buckle further comprises a base 3, one of the base 3 and the rear panel 13 is provided with a second clamping hook 391, and the other is provided with a second clamping groove 132 clamped with the second clamping hook 391.

[0068] The end of the base 3 close to the rear panel 13 is connected with the rear panel 13 through the second clamping hook 391 clamped in the second clamping groove 132, so that the base 2 and the rear panel 13 can be quickly disassembled and assembled.

[0069] For the connection mode of the front cover 4 and the front panel 11, as shown in Figures 1-5 Specifically, the mounting opening 10 is provided with a stop edge 110 extending from the side wall of the mounting opening 10 to the center of the mounting opening 10. The front cover 4 is pressed against the stop edge 110 and located in the mounting opening 10, and the stop edge 110 limits the front cover 4.

[0070] The front cover 4 covers the mounting opening 10 of the middle shell 1, and the front cover 4 is pressed against the stop edge 110. The stop edge 110 resists the front cover 4 to prevent the front cover 4 from falling into the middle shell 1. The leg 41 is inserted into the middle shell 1, and the leg 41 is pressed against the inner side wall of the middle shell 1. The leg 41 limits the bottom of the front cover 4.

[0071] Preferably, the thickness dimension of the retaining edge 110 is smaller than the wall thickness at the mounting opening 10. The front cover 4 is embedded in the mounting opening 10 when mounted, and the outer surface of the front cover 4 is flush with the outer surface of the middle shell 1, ensuring that the overall structure of the box body is compact in structure and beautiful in appearance. Specifically, the inner surface of the retaining edge 110 is flush with the inner side wall of the front panel 11, and in the case where the wall thickness of the front cover 4 is constant, the above-mentioned arrangement of embedding the front cover 4 in the mounting opening 10 leaves sufficient space to reduce the wall thickness of the front panel 11, and at the same time, the processing technology is simple and convenient to form.

[0072] Preferably, a slot 111 is formed at the mounting opening 10 on the middle shell 1, the slot 111 is located on the inner side of the middle shell 1, and the support leg 41 is inserted into the slot 111, and the position of the support leg 41 is limited by the slot 111.

[0073] For the specific structure of the first buckle portion 112 and the specific structure of the buckle 42 provided on the front cover 4, it is further preferred that, as shown in Figures 3-5 The first buckle portion 112 includes a buckle pressing body 1121 and a blocking portion 1122, and the buckle pressing body 1121 extends from the edge of the mounting opening 10 to the center of the mounting opening 10. The buckle pressing body 1121 forms a pressing groove 120 with the outer wall of the front panel 11.

[0074] The blocking portion 1122 is connected to the buckle pressing body 1121 and extends from the buckle pressing body 1121 to the inside of the middle shell 1, and a clamping groove 110 is formed between the buckle pressing body 1121 and the lower surface of the blocking portion 1122.

[0075] The buckle 42 includes an inner buckle body 421 extending inwardly from the inner side wall of the front cover 4 and a buckle protrusion 423 provided on the inner buckle body 421 and extending upwardly. The buckle protrusion 423 is clamped in the clamping groove 110 and presses against the blocking portion 1122.

[0076] When the front cover 4 is mounted, the front cover 4 is pushed, and the first buckle portion 112 is buckled with the above-mentioned clamping groove 110. When the front cover 4 is disassembled, the buckle pressing body 1121 of the first buckle portion 112 is pressed through the pressing groove 120, the first buckle portion 112 is driven upwardly by the buckle pressing body 1121, the first buckle portion 112 is disengaged from the clamping groove 110, and the front cover 4 is opened.

[0077] Preferably, two groups of first buckle portions 112 are provided on the front panel 11, and the minimum distance between the two groups of first buckle portions 112 along the width direction W of the middle shell 1 is a second preset distance, and the size range of the second preset distance is 10mm-15mm. The second preset distance in the present embodiment is 10mm. The distance between the buckle protrusions 423 on the front cover 4 matches the distance between the first buckle portions 112.

[0078] Preferably, the above-mentioned supporting legs 41 are arranged at the bottom end of the front cover 4, and are two groups, the distance between the two groups of supporting legs 41 and the side wall of the front cover 4 is 1 / 10-1 / 5 of the width of the front cover 4, which ensures that the lower end of the front cover 4 is uniformly stressed, and after the front cover 4 and the middle shell 1 are buckled, the gap between the front cover 4 and the middle shell 1 is uniform. In the embodiment, the distance between the above-mentioned supporting legs 41 and the side wall of the front cover 4 is 1 / 10 of the width of the front cover 4.

[0079] For the specific connection mode of the above-mentioned base 3 and the middle shell 1, as shown in Figure 1 and Figures 8-12 Preferably, the edge of the base 3 is provided with a first clamping groove 31 with an upward installation opening, and the installation opening direction of the first clamping groove 31 at this position is described in the relative installation position of the base 3 and the middle shell 1. The lower end surface of the middle shell 1 is provided with a first protrusion 32, the first protrusion 32 is inserted into the first clamping groove 31, the first clamping groove 31 limits the first protrusion 32, and the first clamping groove 31 limits the middle shell 1 through the first protrusion 32 inserted therein, thereby quickly installing the base 3 and the middle shell 1, and facilitating the installation of the first screw.

[0080] The first protrusion 32 is arranged on the lower end surface of the middle shell 1, and the size of the first protrusion 32 along the wall thickness direction of the middle shell 1 is smaller than the shell thickness of the middle shell 1, which can reduce the size of the first protrusion 32 as much as possible while ensuring the structural strength of the first protrusion 32, and the above-mentioned arrangement can reduce the size of the first clamping groove 31, so that the overall structure has a small volume and is compact and beautiful in appearance after installation.

[0081] Preferably, the first clamping groove 31 is arranged continuously along the outer periphery of the base 3. In the embodiment, the first clamping groove 31 corresponding to the front panel 11 and the two side panels 12 of the middle shell 1 is arranged continuously on the base 3.

[0082] Preferably, the base 3 is provided with a first reinforcing boss 33, the first reinforcing boss 33 is arranged in the first clamping groove 31 and extends outwardly to the inner side wall of the base 3, the first reinforcing boss 33 is integrally arranged with the base 3, a first L-shaped clamping groove 34 is formed in the first reinforcing boss 33, the first L-shaped clamping groove 34 is located above the first clamping groove 31, and the bottom surface of the first L-shaped clamping groove 34 is a plane, and the side surface of the first L-shaped clamping groove 34 is an inclined surface, the middle shell 1 is inserted into the first L-shaped clamping groove 34, and the bottom surface of the middle shell 1 abuts against the bottom surface of the first L-shaped clamping groove 34. The side surface of the first L-shaped clamping groove 34 is an inclined surface to facilitate the insertion of the first protrusion 32 into the first L-shaped clamping groove 34, the first reinforcing boss 33 protrudes out of the first clamping groove 31, and the first reinforcing boss 33 is arranged to ensure the supporting strength of the middle shell 1, and at the same time, increase the overall structural strength of the base 3.

[0083] Preferably, the first reinforcing bosses 33 are in multiple groups, and the first reinforcing bosses 33 in adjacent two groups are spaced apart by a first preset distance along the length direction L of the base 3. The size of the first preset distance ranges from 50 mm to 60 mm, so as to ensure that the base 3 has sufficient structural strength.

[0084] Preferably, the base 3 is fixedly connected with the middle shell 1 by first screws. Specifically, the base 3 and the middle shell 1 are fastened by the first screws. The connection mode of the base 3 and the middle shell 1 ensures the connection strength of the base 3 and the middle shell 1 and the overall structural strength of the box after connection. The box with the elastic buckle reduces the number of screws used in the overall structure, and the various parts are convenient and fast to disassemble and assemble, which improves work efficiency and prevents the box from being damaged due to disassembly. Specifically, in the embodiment, the bottom of the base 3 is provided with a first mounting hole 35, and the inner side of the side panel 12 of the middle shell 1 is provided with a second mounting portion 37, and a first threaded hole 371 is formed in the second mounting portion 37. The first screw is screwed into the first threaded hole 371 through the first mounting hole 35.

[0085] Specifically, in the embodiment, the inner side of the base 3 is provided with a first mounting portion 36, and the first mounting hole 35 is formed in the first mounting portion 36. The first mounting hole 35 is a countersunk hole, which ensures that the base 3 is flat when placed and has an attractive appearance. Preferably, the number of first mounting holes 35 is four, and the first mounting holes 35 are arranged at the four corners of the base 3.

[0086] Preferably, the second mounting portion 37 is provided with a first reinforcing rib 372 between the second mounting portion 37 and the side panel 12.

[0087] For the connection relationship between the upper cover 2 and the middle shell 1, as shown in Figure 1 , Figures 13-16 Preferably, the edge of the upper cover 2 is provided with a second clamping groove 21 opening downward, and the opening direction of the second clamping groove 21 at this position is described based on the relative installation position of the upper cover 2 and the middle shell 1. The upper end surface of the middle shell 1 is provided with a second protrusion 14, and the second protrusion 14 is inserted into the second clamping groove 21. The second protrusion 14 is inserted into the second clamping groove 21 to position the upper cover 2 and determine the relative position of the upper cover 2 and the middle shell 1, so as to quickly install the upper cover 2 and the middle shell 1.

[0088] The thickness size of the second protrusion 14 is smaller than the shell thickness size of the middle shell 1. The thickness size of the second protrusion 14 is small, and thus the size of the second clamping groove 21 is also small. After the upper cover 2 and the middle shell 1 are assembled, the overall structure is compact and has an attractive appearance.

[0089] Preferably, the second reinforcing boss 22 is arranged on the upper cover 2, is arranged in the second clamping groove 21, and extends inwardly to the inner side wall of the upper cover 2, the second L-shaped clamping groove 23 is arranged on the second reinforcing boss 22, is located above the second clamping groove 21, and has a flat bottom surface and an inclined side surface, and the middle shell 1 is inserted into the second L-shaped clamping groove 23, and the bottom surface of the middle shell 1 abuts against the bottom surface of the second L-shaped clamping groove 23.

[0090] The side surface of the second L-shaped clamping groove 23 is arranged to be inclined to facilitate insertion of the second protrusion 14 into the second L-shaped clamping groove 23. The second reinforcing boss 22 is arranged to protrude from the second clamping groove 21, and is arranged to ensure the structural strength of the upper cover 2 and the structural stability of the upper cover 2 after being connected to the middle shell 1.

[0091] The second reinforcing boss 22 is arranged in multiple groups, and adjacent two groups of the second reinforcing boss 22 are spaced apart from each other by a third preset distance along the length direction of the middle cover 1, and the third preset distance ranges from 50 mm to 60 mm, so as to ensure that the upper cover 2 has sufficient structural strength.

[0092] Preferably, the inner clamping buckle 24 and the clamping boss 17 are connected between the side panel 12 of the upper cover 2 and the middle shell 1. Specifically, the inner clamping buckle 24 is arranged on the upper cover 2, the clamping boss 17 is arranged on the inner side wall of the side panel 12 of the middle shell 1, and the inner clamping buckle 24 and the clamping boss 17 are buckled when the upper cover 2 is installed.

[0093] The inner clamping buckle 24 includes an inner clamping buckle body 241 and a clamping portion 242, the clamping portion 242 protrudes from the inner clamping buckle body 241 and is arranged outwardly, and the clamping portion 242 is arranged at the end of the clamping body.

[0094] Preferably, the second reinforcing rib 243 is arranged on the side of the inner clamping buckle body 241 away from the clamping portion 242, and the second reinforcing rib 243 is connected to the inner wall of the upper cover 2.

[0095] Preferably, the second screw is further arranged between the upper cover 2 and the front panel 11 of the middle shell 1, and the upper cover 2 and the front panel 11 of the middle shell 1 are fastened and connected by the second screw. Specifically, the inner clamping buckle 24 and the clamping boss 17 are buckled when the upper cover 2 is installed, and the upper cover 2 and the front panel 11 of the middle shell 1 are fastened and connected by the second screw, so as to further ensure the connection strength between the upper cover 2 and the middle shell 1.

[0096] The inner side wall of the upper cover 2 is provided with a third mounting portion 26, the third mounting portion 26 is provided with a third mounting hole 263, the middle shell 1 is provided with a mounting fixed boss 15, the mounting fixed boss 15 is provided with a second threaded hole 153, and the second screw is threadedly connected to the second threaded hole 153 through the third mounting hole 263. Further preferably, the third mounting portion 26 comprises a cylinder 261 connected to the inner side wall of the upper cover 2, the cylinder 261 is provided with the third mounting hole 263, and the circumferential surface of the cylinder 261 is provided with a third reinforcing rib 262 connected to the upper cover 2.

[0097] Preferably, the mounting fixed boss 15 comprises a mounting portion 151 and a supporting portion 152, the mounting portion 151 is provided with the second threaded hole 153, the supporting portion 152 is connected to the mounting portion 151 and the inner side wall of the middle shell 1, and the supporting portion 152 is arranged on the side surface or the bottom of the mounting portion 151. Specifically, the supporting portion 152 is a cuboid or a square in the embodiment, the thickness of the supporting portion 152 ranges from 1 mm to 2 mm, the height of the supporting portion 152 ranges from 15 mm to 25 mm, and the height direction is the vertical direction of the middle shell 1 and the upper cover 2 after installation. The width of the supporting portion 152 ranges from 10 mm to 15 mm. The supporting portion 152 is arranged to ensure the connection strength of the mounting portion 151 and the middle shell 1, and to reduce the overall structure weight.

[0098] For the specific connection mode of the upper cover 2 and the rear panel 13, as shown in Figures 7-10 Preferably, the upper cover 2 comprises an upper panel 27 and a first arc transition plate 28 connected to each other, one end of the first arc transition plate 28 close to the rear panel 13 is provided with a first clamping hook 281, the first clamping hook 281 comprises a first clamping hook body 2811 and a first clamping protrusion 2812 arranged on the first clamping hook body 2811, the rear panel 13 is provided with a first clamping groove 131, and the first clamping protrusion 2812 is clamped in the first clamping groove 62.

[0099] The first arc transition plate 28 is provided with two groups of first clamping hooks 281, and the two groups of first clamping hooks 281 are spaced apart from each other by a fifth preset distance along the width direction W of the middle shell 1.

[0100] For the specific connection mode of the base 3 and the rear panel 13, preferably, the base 3 comprises a bottom plate 38 and a second arc transition plate 39, one end of the second arc transition plate 39 close to the rear panel 13 is provided with a second clamping hook 391, the second clamping hook 391 comprises a second clamping hook body 3911 and a second clamping protrusion 3912 arranged on the second clamping hook body 3911, the rear panel 13 is provided with a second clamping groove 132, and the second clamping protrusion 3912 is clamped in the second clamping groove 132.

[0101] The second arc transition plate 39 is provided with two groups of second hooks 391, and the two groups of second hooks 391 are spaced apart by a sixth preset distance along the width direction W of the middle shell 1.

[0102] Obviously, the above embodiments of the present application are merely exemplary and are not intended to limit the embodiments of the present application. For those skilled in the art, other different forms of changes or modifications can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A box body with an elastic buckle, characterized in that: include: A middle shell (1) and a front cover (4), wherein the middle shell (1) comprises a front panel (11), a mounting opening (10) is provided on the front panel (11), a slot (111) and a first snap-fit ​​portion (112) are provided at the mounting opening (10), and the slot (111) and the first snap-fit ​​portion (112) are respectively located on two opposite sides of the mounting opening (10); The front cover (4) is provided with a support leg (41) capable of being inserted into the slot (111), and the front cover (4) is provided with a buckle (42) buckled with the first buckle portion (112).

2. The box body with elastic buckle according to claim 1, characterized in that: The box body with elastic buckles further comprises an upper cover (2), and the middle shell (1) further comprises a side panel (12) integrally connected to the front panel (11), and a rear panel (13), wherein the rear panel (13) is integrally connected to the side panel (12) or detachably connected to the side panel (12); The upper cover (2) covers the top end of the middle shell (1), and the upper cover (2) and the side panel (12) are connected by buckling via an inner buckle (42) and a buckle boss (17); One of the upper cover (2) and the rear panel (13) is provided with a first hook (281), and the other is provided with a first hook groove (131) engaged with the first hook (281).

3. The box body with elastic buckle according to claim 2, characterized in that: The box body with the elastic buckle further comprises a base (3), wherein one of the base (3) and the rear panel (13) is provided with a second hook (391), and the other is provided with a second hook groove (132) engaged with the second hook (391).

4. The box body with elastic buckle according to claim 3, characterized in that: The edge of the base (3) is provided with a first slot (31) facing upwards from the mounting opening (10); The lower end surface of the middle shell (1) is provided with a first protrusion (32), and the first protrusion (32) is inserted into the first slot (31).

5. The box body with elastic buckle according to claim 4, characterized in that: The edge of the upper cover (2) is provided with a second slot (21) extending downward from the mounting opening (10); The upper end surface of the middle shell (1) is provided with a second protrusion (14), and the second protrusion (14) is inserted into the second slot (21).

6. The box body with elastic buckle according to claim 3, characterized in that: The base (3) and the middle shell (1) are fastened together by a first screw; and / or, one end of the upper cover (2) close to the front panel (11) is connected to the middle shell (1) by a second screw.

7. The box body with elastic buckle according to claim 5, characterized in that: A first reinforcing boss (33) is provided on the base (3), the first reinforcing boss (33) is arranged in the first clamping groove (31) and extends outward to the inner side wall of the base (3), and the first reinforcing boss (33) is integrally provided with the base (3); A first L-shaped snap-fit ​​groove (34) is provided on the first reinforcing boss (33), the middle shell (1) is inserted into the first L-shaped snap-fit ​​groove (34), and the bottom surface of the middle shell (1) is pressed against the bottom surface of the first L-shaped snap-fit ​​groove (34); And / or, a second reinforcing boss (22) is provided on the upper cover (2), the second reinforcing boss (22) is arranged in the second clamping groove (21) and extends inwardly to the inner side wall of the upper cover (2), and a second L-shaped clamping groove (23) is provided on the second reinforcing boss (22); The middle shell (1) is inserted into the second L-shaped clamping groove (23), and the bottom surface of the middle shell (1) is pressed against the bottom surface of the second L-shaped clamping groove (23).

8. The box body with elastic buckle according to claim 2, characterized in that: An inner buckle (42) is provided on the upper cover (2), and a buckle boss (17) is provided on the inner side wall of the side panel (12) of the middle shell (1).

9. The box body with elastic buckle according to claim 3, characterized in that: The upper cover (2) comprises an upper panel (27) and a first arc transition plate (28) connected to each other, a first hook (281) is provided at one end of the first arc transition plate (28) close to the rear panel (13), a first hook groove (131) is provided on the rear panel (13), and the first hook (281) is locked in the first hook groove (131); And / or, the base (3) includes a bottom plate (38) and a second arc transition plate (39), the second arc transition plate (39) is provided with a second hook (391) at one end close to the rear panel (13), the rear panel (13) is provided with a second hook groove (132), and the second hook (391) is hooked in the second hook groove (132).

10. The box body with elastic buckle according to any one of claims 1 to 9, characterized in that: The first buckle portion (112) comprises a buckle pressing body (1121) and a resisting portion (1122), wherein the buckle pressing body (1121) extends from the edge of the installation opening (10) toward the center of the installation opening (10); The resisting portion (1122) is connected to the buckle pressing body (1121) and extends from the buckle pressing body (1121) toward the interior of the middle shell (1), and a snap-fit ​​groove (110) is formed between the buckle pressing body (1121) and the lower surface of the resisting portion (1122); The buckle (42) comprises an inner buckle body (421) extending inward from the inner side wall of the front cover (4) and a buckle protrusion (423) provided on the inner buckle body (421) and extending upward; The snap-fit ​​protrusion (423) is locked in the snap-fit ​​groove (110) and pressed against the blocking portion (1122).

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