Shielding cover easy to tin
By designing a re-intension mechanism with hinges and slide structures in the shield cover, the problem of the spring of the shield cover being attached to the tin and the rebound mechanism is damaged after the tin is on, the normal ejection and re-incision functions of the T-card are achieved, and the service life of the equipment is extended.
Patent Information
- Application Number
- CN202421137981.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-23
AI Technical Summary
After the existing shield cover is tinned, the spring is easily adhered to by tin, affecting the spring performance, and the rebound mechanism is easily damaged, resulting in the T-card being unable to eject, affecting the maintenance of the shield cover.
A shield cover that is easy to tin is designed, and a re-intension mechanism with a hinge and a sliding channel structure is used to slide and rebound in the slide and V hook groove. The storage and card withdrawal functions of the T card are realized, and the tin liquid is prevented from entering the complex structure.
This design effectively avoids the attachment of tin liquid to the spring, extends the service life of the rebound mechanism, ensures the normal ejection and card-release function of the T-card, and realizes the optimized design and reasonable structure of the shield cover.
Smart Images

Figure CN222602887U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of a shielding cover, in particular to a shielding cover which is easy to tin. Background Art
[0002] Shielding parts are common metal structural parts on PCB boards of electronic products. Their main function is to prevent electromagnetic interference and shield components and LCM on PCBs. Because of this, the quality of shielding part design will directly affect the overall performance of electronic products. Shielding covers are mostly used on card slots.
[0003] After the current shielding cover is designed, it is necessary to tin the surface of the shielding cover. For the one-piece shielding, after tinning, the vacant spring will be attached by the tin, affecting the performance of the spring. At the same time, the shielding cover rebound mechanism will be damaged after frequent use, the T card cannot be ejected, and the one-piece shielding will not be able to perform internal maintenance. Utility Model Content
[0004] The utility model aims to provide a shielding cover which is easy to tin, so as to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A shielding cover that is easy to tin, comprises an upper cover, an outer wall of the upper cover is fixedly connected with a buckle, a lower shell is installed at the bottom of the upper cover, the outer wall of the lower shell is opened with a through hole, and the through hole is buckled with the buckle, a T card is inserted between the upper cover and the lower shell, the front end of the inner frame of the upper cover is fixedly connected with a front pin, one end of the front pin is installed with a spring, one end of the spring is installed with a tail pin, one side of the tail pin is fixedly connected with a displacement block, and a rebound mechanism is arranged on the right part of the upper surface of the lower shell, the rebound mechanism comprises a hinge for being hinged with the displacement block, a slideway 2 is arranged at the end of the hinge away from the displacement block, one end of the slideway 2 is connected with a slideway 3, one end of the slideway 3 is connected with a V-hook groove, one end of the V-hook groove is connected with a slideway 4, and one end of the slideway 4 is connected with a slideway 1.
[0007] As a further solution of the utility model: the hinged member slides in the grooves of the second slideway, the third slideway, the V-hook groove, the fourth slideway and the first slideway.
[0008] As a further solution of the utility model: a rear portion of the outer frame of the upper cover is fixedly connected with an edge guard, and the displacement block is slidably connected to the right side of the inner frame of the upper cover.
[0009] As a further solution of the utility model: the notch portion of the slideway three is provided with a ramp inclined to the slideway four, the notch portion of the slideway four is provided with a ramp inclined to the slideway three, and the V-hook groove is in the shape of a barb.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] According to the utility model, the hinge part hinged at the front end of the displacement block will slide in the first part of the slideway, and when the hinge part reaches the top of the first slideway and is blocked, the displacement block is loosened, and the spring connected to one end of the tilting block rebounds, so that the hinge part is displaced on the ramp of the fourth slideway into the notch of the V-hook groove and is hooked, so that the T-card in the upper cover is stored, and the structure is more optimized and the design is more reasonable.
[0012] In the utility model, the hinge is pushed again, and the hinge at the V-hook groove enters the third part of the slideway. Under the rebound of the spring, the hinge at the third part of the slideway enters the second part of the slideway and returns to the bottom of the first slideway again, and the hinge is reset. The tilting block will push the T card out of the inner frame of the upper cover to realize the card withdrawal. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The figure is a schematic diagram of a structure of a shielding cover that is easy to tin.
[0014] Figure 2 The diagram is a structural diagram of the lower shell in a shielding cover that is easy to tin.
[0015] Figure 3 The present invention is a structural diagram of a rebound mechanism in a shielding cover that is easy to tin.
[0016] In the figure: upper cover 1, lower shell 2, displacement block 3, spring 4, buckle 5, T card 6, rebound mechanism 7, tail pin 8, front pin 9, hinge 10, slideway 11, slideway 2 12, slideway 3 13, V hook groove 14, slideway 4 15, tilting block 16, edge guard 17. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figures 1 to 3In the embodiment of the utility model, a shielding cover that is easy to tin includes an upper cover 1, an outer wall of the upper cover 1 is fixedly connected with a buckle 5, a lower shell 2 is installed at the bottom of the upper cover 1, an outer wall of the lower shell 2 is provided with a through hole, and the through hole is buckled with the buckle 5, a T card 6 is inserted between the upper cover 1 and the lower shell 2, a front pin 9 is fixedly connected to the front end of the inner frame of the upper cover 1, a spring 4 is installed at one end of the front pin 9, one end of the spring 4 is installed with a tail pin 8, a displacement block 3 is fixedly connected to one side of the tail pin 8, and a rebound mechanism 7 is arranged on the right part of the upper surface of the lower shell 2, and the rebound mechanism 7 includes a hinge 10 for being hinged to the displacement block 3, and the hinge 10 is arranged at one end away from the displacement block 3. There is a slideway 2 12, one end of the slideway 2 12 is connected to the slideway 3 13, one end of the slideway 3 13 is connected to the V-hook groove 14, one end of the V-hook groove 14 is connected to the slideway 4 15, one end of the slideway 4 15 is connected to the slideway 11, the hinge 10 is located in the grooves of the slideway 2 12, the slideway 3 13, the V-hook groove 14, the slideway 4 15 and the slideway 1 11 and slides, the rear part of the outer frame of the upper cover 1 is fixedly connected with the edge guard 17, the displacement block 3 is slidably connected to the right side of the inner frame of the upper cover 1, the groove part of the slideway 3 13 is provided with a ramp inclined to the slideway 4 15, the groove part of the slideway 4 15 is provided with a ramp inclined to the slideway 3 13, and the V-hook groove 14 is in the shape of a barb.
[0019] When in use, push the T card 6 to slide in the inner frame of the upper cover 1. When the T card 6 contacts the end pin 8, the end pin 8 and the displacement block 3 connected to one side of the end pin 8 are pushed to move toward the front end of the inner frame of the upper cover 1.
[0020] The hinge 10 hinged at the front end of the displacement block 3 will slide on the slideway 11. When the hinge 10 reaches the top of the slideway 11 and is blocked, the displacement block 3 is released. Under the rebound of the spring 4 connected to one end of the tilting block 16, the hinge 10 moves along the ramp of the slideway 4 15 into the notch of the V hook groove 14 and is hooked, thereby storing the T card 6 in the upper cover 1.
[0021] Push the hinge 10 again, and the hinge 10 at the V-hook groove 14 enters the slide three 13. Under the spring rebound, the hinge 10 at the slide three 13 enters the slide two 12 and returns to the bottom of the slide one 11 again, and the hinge 10 is reset, and the tilting block 16 will push the T card 6 out of the inner frame of the upper cover 1 to realize the card withdrawal.
[0022] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A shielding cover that is easy to tin, comprising an upper cover (1), characterized in that: The outer wall of the upper cover (1) is fixedly connected with a buckle (5); the bottom of the upper cover (1) is installed with a lower shell (2); the outer wall of the lower shell (2) is provided with a through hole, and the through hole is buckled with the buckle (5); a T card (6) is inserted between the upper cover (1) and the lower shell (2); the front end of the inner frame of the upper cover (1) is fixedly connected with a front pin (9); one end of the front pin (9) is installed with a spring (4); one end of the spring (4) is installed with a tail pin (8); one side of the tail pin (8) is fixedly connected with a displacement block (3); the lower A rebound mechanism (7) is arranged at the right part of the upper surface of the shell (2), and the rebound mechanism (7) comprises a hinge (10) for being hinged to the displacement block (3); a slideway 2 (12) is arranged at one end of the hinge (10) away from the displacement block (3); one end of the slideway 2 (12) is connected to a slideway 3 (13); one end of the slideway 3 (13) is connected to a V-hook groove (14); one end of the V-hook groove (14) is connected to a slideway 4 (15); one end of the slideway 4 (15) is connected to the slideway 1 (11).
2. The easy-to-tin shielding cover according to claim 1, characterized in that: The hinge (10) is located in the grooves of the second slideway (12), the third slideway (13), the V-hook groove (14), the fourth slideway (15) and the first slideway (11) for sliding.
3. The easy-to-tin shielding cover according to claim 1, characterized in that: A protective edge (17) is fixedly connected to the rear portion of the outer frame of the upper cover (1), and the displacement block (3) is slidably connected to the right side of the inner frame of the upper cover (1).
4. The easy-to-tin shielding cover according to claim 1, characterized in that: The notch of the slideway three (13) is provided with a ramp inclined toward the slideway four (15), the notch of the slideway four (15) is provided with a ramp inclined toward the slideway three (13), and the V-hook groove (14) is in the shape of a barb.