Quick-release structure of box protective cover

Abstract

The utility model provides a kind of box protective cover quick-release structure, including box, protective cover and fixed pin, and installation hole is equipped on box;Protective cover cover is located on box, and connecting hole corresponding with installation hole is equipped on protective cover;Fixed pin includes limiting portion, limiting portion has deformable structure, limiting portion is equipped with limiting clamping groove, limiting portion is deformable and detachably arranged in installation hole and connecting hole, to limit box and protective cover in limiting clamping groove.The utility model's box protective cover quick-release structure is limited in limiting clamping groove by quickly box and protective cover, and then quickly box and protective cover are connected together, so that box and protective cover can be packaged and transported synchronously, effectively reduce packaging and transportation cost;When box and protective cover reach customer end production line, fixed pin can be directly pulled out of the installation hole of box and the connecting hole of protective cover, realize the quick removal of fixed pin, facilitate production line assembly, without repositioning box and protective cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automobile parts technical field especially relates to a box protection cover quick detach structure. BACKGROUND

[0002] With the gradual implementation of the national six regulations, diesel vehicles all need to install SCR system to purify tail gas. For the newly developed off-road vehicle, the vehicle driving condition is relatively severe. The existing protective cover installed at the bottom of the urea tank is mostly plastic or metal cover, which has poor impact resistance and cannot protect the large area range of the tank bottom. Since the vehicle use environment is relatively complex, the protective cover is required to protect the large area range of the tank bottom and has a certain strength of impact resistance.

[0003] In addition, the protective cover needs to be installed at the box support hole position. The installation process at this position is completed by the automobile assembly production line. At present, the urea tank and the protective cover need to be transported to the automobile assembly plant respectively, and then the urea tank and the protective cover are installed together by the automobile assembly plant. The transportation cost is high, and if the protective cover is transported by stacking, deformation may occur due to collision and other problems during transportation, affecting subsequent use. Since the urea tank and the protective cover are separated, when the automobile assembly plant installs the urea tank and the protective cover together, the protective cover and the box support hole position of the urea tank need to be aligned first, and then the protective cover and the urea tank are locked together, which has the problem of inconvenient assembly.

[0004] Therefore, it is necessary to at least provide a box protection cover quick detach structure which is convenient for production line assembly and can reduce packaging and transportation cost. INVENTION CONTENTS

[0005] The utility model aims at providing a box protection cover quick detach structure which is convenient for production line assembly and can reduce packaging and transportation cost.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a box protection cover quick detach structure, which comprises a box, a protective cover and a fixing pin, the box is provided with a mounting hole, the protective cover is arranged on the box, the protective cover is provided with a connecting hole corresponding to the mounting hole, the fixing pin comprises a limiting part, the limiting part has a deformable structure, the limiting part is provided with a limiting clamping groove, and the limiting part is deformable and detachably arranged in the mounting hole and the connecting hole to limit the box and the protective cover in the limiting clamping groove.

[0007] Preferably, the limiting part comprises a limiting head, a limiting claw and a limiting protrusion, a plurality of limiting claws are deformably arranged on the limiting head along the same circumferential direction, the outer side of each limiting claw is provided with the limiting protrusion, and the limiting head, the limiting claw and the limiting protrusion surround the limiting clamping groove.

[0008] Preferably, the outer side of the limiting protrusion is inclined, and the outer side of the limiting protrusion is inclined outward from the end of the limiting protrusion away from the limiting head to the end of the limiting protrusion close to the limiting head.

[0009] Preferably, the fixing pin further comprises a handle part, and the handle part is fixedly connected with the limiting head.

[0010] Preferably, the box is provided with an interface position connected with an external part, and the protective cover is provided with an avoiding space for avoiding the interface position.

[0011] Preferably, the protective cover is bent to extend a connecting surface, the connecting hole is arranged on the connecting surface, the box is provided with a fixed cantilever, the mounting hole is arranged on the fixed cantilever, and the fixed cantilever and the connecting surface are correspondingly arranged.

[0012] Preferably, the connecting hole is in a waist type structure.

[0013] Preferably, the protective cover is provided with a flanging structure around.

[0014] Preferably, the protective cover is provided with a reinforcing rib.

[0015] Preferably, the protective cover is provided with a drainage hole for leaking sundries.

[0016] Compared with the prior art, the box protective cover quick disassembly structure sets the fixing pin, sets the limiting clamping groove on the limiting part, and in the process that the limiting part is arranged in the mounting hole of the box and the connecting hole of the protective cover, the inner wall of the mounting hole and the connecting hole extrudes the limiting part to deform, so that the limiting part is first deformed to be reduced, and then deformed to be restored to be enlarged, thereby quickly limiting the box and the protective cover in the limiting clamping groove, and then quickly connecting the box and the protective cover together, so that the box and the protective cover can be packaged and transported synchronously, and the packaging and transportation cost is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a three-dimensional structure diagram of the box protective cover quick disassembly structure of the utility model.

[0018] Figure 2 is an exploded view of the box protective cover quick disassembly structure of the utility model.

[0019] Figure 3It is the box protection cover quick detach structure's fixed pin's perspective view.

[0020] Figure 4 It is the box protection cover quick detach structure's perspective view at the installation hole position.

[0021] Figure 5 It is the box protection cover quick detach structure's protection cover's perspective view.

[0022] Figure 6 It is Figure 5 The enlarged view at A. Specific embodiments

[0023] In order to explain the technical content and structural features of the utility model, the following further description is made in combination with the embodiments and the accompanying drawings.

[0024] Please refer to Figures 1 to 5 The box protection cover quick detach structure 100 comprises a box 1, a protection cover 2 and a fixed pin 3, the box 1 is provided with an installation hole 11; the protection cover 2 is covered on the box 1, and the protection cover 2 is provided with a connecting hole 21 corresponding to the installation hole 11; the fixed pin 3 comprises a limiting portion 31, the limiting portion 31 has a deformable structure, the limiting portion 31 is provided with a limiting clamping groove 311, and the limiting portion 31 is deformable and detachably arranged in the installation hole 11 and the connecting hole 21 to limit the box 1 and the protection cover 2 in the limiting clamping groove 311.

[0025] The box protection cover quick detach structure 100 is provided with the fixed pin 3, in the process that the limiting portion 31 of the fixed pin 3 is arranged in the installation hole 11 of the box 1 and the connecting hole 21 of the protection cover 2, the deformable structure of the limiting portion 31 is utilized, the inner wall of the installation hole 11 and the connecting hole 21 can extrude the limiting portion 31 to deform, so that the limiting portion 31 is first deformed to reduce the size, so as to be arranged in the inside of the installation hole 11 and the connecting hole 21, after the one end of the limiting portion 31 is arranged out of the installation hole 11 and the connecting hole 21, the limiting portion 31 can be deformed to restore and expand, so as to quickly limit the box 1 and the protection cover 2 in the limiting clamping groove 311, and then connect the box 1 and the protection cover 2, so that the box 1 and the protection cover 2 can be packaged and transported synchronously, and the packaging and transportation cost is effectively reduced.

[0026] Please refer to Figure 1 、 Figure 3 and Figure 4In an embodiment, the limiting portion 31 comprises a limiting head 312, limiting claws 313 and limiting protrusions 314. The limiting claws 313 are elastically arranged on the limiting head 312 in the same circumferential direction. The outer side of each limiting claw 313 is provided with a limiting protrusion 314. The limiting head 312, the limiting claws 313 and the limiting protrusions 314 surround a limiting slot 311. In the process of inserting the limiting portion 31 of the fixing pin 3 into the mounting hole 11 of the box body 1 and the connecting hole 21 of the protective cover 2, the inner wall of the mounting hole 11 and the connecting hole 21 can abut against the limiting protrusions 314, so that the limiting claws 313 are elastically deformed inward, ensuring that the limiting portion 31 can be smoothly inserted into the inside of the mounting hole 11 and the connecting hole 21. After the limiting protrusions 314 of the limiting portion 31 are inserted out of the mounting hole 11 and the connecting hole 21, the limiting claws 313 can be elastically restored to drive the limiting protrusions 314 to be clamped on the protective cover 2, thereby limiting the box body 1 and the protective cover 2 in the limiting slot 311. In this embodiment, the number of limiting claws 313 can be two, and the limiting claws 313 have an active gap therebetween. However, the number of limiting claws 313 is not limited thereto. For example, the number of limiting claws 313 can be three or four.

[0027] Further, the outer side surface 314a of the limiting protrusion 314 is inclined, and the outer side surface 314a of the limiting protrusion 314 gradually inclines outward from the end of the limiting protrusion 314 away from the limiting head 312 to the end of the limiting protrusion 314 close to the limiting head 312. By setting the outer side surface 314a of the limiting protrusion 314 as an inclined structure, the outer side surface 314a of the limiting protrusion 314 is an inclined surface, which can drive the limiting claws 313 to be elastically deformed and reduced under the action of the limiting protrusions 314, thereby ensuring that the limiting portion 31 can effectively and quickly enter the mounting hole 11 and the connecting hole 21.

[0028] Please refer to Figure 3 and Figure 4 In an embodiment, the fixing pin 3 further comprises a handle portion 32 fixedly connected with the limiting head 312. By setting the handle portion 32, the operator can operate the limiting portion 31 to enter the mounting hole 11 and the connecting hole 21 through the handle portion 32, so as to limit the box body 1 and the protective cover 2 in the limiting slot 311, thereby improving the convenience of the fixing operation.

[0029] Please refer to Figure 1 and Figure 2In one embodiment, the housing 1 has an interface position 12 for connecting to the external component 4, and the protective cover 2 has a clearance space 22 for avoiding the interface position 12. In this embodiment, the housing 1 is a urea tank, and the external component 4 is a urea pump. The urea pump is connected to the interface position 12, and the protective cover 2 covers the bottom of the urea tank. After the housing 1 and the protective cover 2 are connected together by the fixing pin 3, the urea pump is located within the clearance space 22 of the protective cover 2. By providing the clearance space 22 to avoid the urea pump, it is convenient for the customer to assemble and maintain the urea pump electrical connector. However, the types of housing 1 and external component 4 are not limited to this.

[0030] Please see Figure 1 and Figure 5 In one embodiment, the protective cover 2 is bent and extended to have a connecting surface 23, and a connecting hole 21 is provided on the connecting surface 23. The protective cover 2 has multiple connecting surfaces 23, and each connecting surface 23 is provided with a corresponding connecting hole 21; the housing 1 is provided with a fixed cantilever 13, and a mounting hole 11 is provided on the fixed cantilever 13, and the fixed cantilever 13 and the connecting surface 23 are correspondingly provided.

[0031] Please see Figure 5 In one embodiment, the connecting hole 21 has an oblong shape. However, this is not a limitation.

[0032] Please see Figure 1 and Figure 5 In one embodiment, the protective cover 2 is provided with a flange structure 24 around its perimeter, thereby improving the structural strength of the protective cover 2 and giving it a certain degree of impact resistance.

[0033] Please see Figure 1 and Figure 5 In one embodiment, the protective cover 2 is provided with reinforcing ribs 25, which can further improve the structural strength of the protective cover 2 and give it a certain degree of impact resistance. The protective cover 2 can be provided with reinforcing ribs 25 at multiple locations to fully ensure the structural strength of the protective cover 2.

[0034] Please see Figure 1 In one embodiment, the protective cover 2 is a metal structure and is manufactured using a stamping process. The back of the protective cover 2 is stretched to form a protective shape for the urea pump, with a reserved space for pump clearance. By using a stamping process to manufacture the protective cover 2, a complex structural component can be integrally formed.

[0035] Please see Figure 1 and Figure 6 In one embodiment, the protective cover 2 is provided with a drainage hole 26 for draining debris. By providing the opening 26 on the protective cover 2, rainwater, sand, and other debris accumulated inside the protective cover 2 can be drained out.

[0036] In summary, the box protection cover quick dismounting structure 100 sets the fixing pin 3, sets the limiting groove 311 on the limiting portion 31, in the process that the limiting portion 31 is worn in the mounting hole 11 of the box 1 and the connecting hole 21 of the protection cover 2, the inner wall of the mounting hole 11 and the connecting hole 21 extrudes the limiting portion 31 to deform, so that the limiting portion 31 is first deformed to reduce, then deformed to recover and expand, thereby quickly limiting the box 1 and the protection cover 2 in the limiting groove 311, and then quickly connecting the box 1 and the protection cover 2 together, so that the box 1 and the protection cover 2 can be packaged and transported synchronously, effectively reducing the packaging and transportation cost; when the box 1 and the protection cover 2 reach the customer's production line, the fixing pin 3 can be directly pulled out of the mounting hole 11 of the box 1 and the connecting hole 21 of the protection cover 2, the quick dismounting of the fixing pin 3 is realized, and since the positions of the mounting hole 11 of the box 1 and the connecting hole 21 of the protection cover 2 are corresponding, the box 1 and the protection cover 2 do not need to be repositioned, and subsequent production line assembly can be facilitated.

[0037] The above disclosed is only a preferred embodiment of the utility model, and cannot limit the scope of the utility model, equivalent changes made according to the utility model claims all belong to the scope covered by the utility model.

Claims

1. A quick release structure of a case protection cover, characterized by, The utility model provides a box and protection cover combination, including: The box is provided with mounting hole; The protection cover is covered on the box, and the protection cover is provided with connecting hole corresponding to the mounting hole; The fixing pin includes limiting portion, the limiting portion has deformable structure, the limiting portion is provided with limiting clamping groove, and the limiting portion is deformable and detachably arranged in the mounting hole and the connecting hole to limit the box and the protection cover in the limiting clamping groove.

2. The quick release structure of the case protection cover according to claim 1, characterized in that, The limiting portion includes limiting head, limiting claw and limiting protrusion, a plurality of limiting claws are deformably arranged on the limiting head along the same circumferential direction, the outer side of each limiting claw is provided with the limiting protrusion, the limiting head, the limiting claw and the limiting protrusion are surrounded and provided with the limiting clamping groove.

3. The quick release structure of the case protection cover according to claim 2, characterized in that, The outer side of the limiting protrusion is inclined structure, and the outer side of the limiting protrusion gradually inclines outward from the end of the limiting protrusion away from the limiting head to the end close to the limiting head.

4. The quick release structure of the case protection cover according to claim 2, characterized in that, The fixing pin further includes handle portion, and the handle portion is fixedly connected with the limiting head.

5. The quick release structure of the case protection cover according to claim 1, characterized in that, The box is provided with interface position connected with external part, and the protection cover is provided with avoiding space for avoiding the interface position.

6. The quick release case cover of claim 1, wherein, The protection cover is bent and extended with connecting surface, the connecting hole is arranged on the connecting surface, the box is provided with fixed cantilever, the mounting hole is arranged on the fixed cantilever, and the fixed cantilever and the connecting surface are correspondingly arranged.

7. The quick release case cover of claim 1, wherein, The connecting hole is in the shape of waist.

8. The quick release case cover of claim 1, wherein, The protection cover is provided with flanging structure around.

9. The quick release case cover of claim 1, wherein, The protection cover is provided with reinforcing rib.

10. The quick release case cover of claim 1, wherein, The protection cover is provided with drain hole for leaking sundries.

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