CN211128834U

CN211128834U - Shielding case clamp

Info

Publication number: CN211128834U
Application number: CN201920671478.5U
Authority: CN
Inventors: 陈干
Original assignee: Jiangsu Xinwei Intelligent Automobile Interconnection Technology Co ltd
Current assignee: Jiangsu Xinwei Intelligent Automobile Interconnection Technology Co ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-07-28
Anticipated expiration: 2029-05-10

Abstract

The utility model discloses a shield cover presss from both sides, including the weld part, be equipped with at least a set of contact assembly on the weld part, contact assembly is including two contact arms that set up relatively, the contact arm is kept away from the one end of weld part has outside buckling and is close to towards the outer convex part that the weld part direction extends. The shielding cover clamp provided by the utility model can clamp and fix the shielding cover through two contact arms in the contact assembly, and can also fix the shielding cover by the outer convex parts on the contact arms abutting against the side edges of the shielding cover, thereby reducing the requirements of the shielding cover clamp on the installation environment and being beneficial to expanding the application range of the shielding cover clamp; the working states of the contact arms do not influence each other, which is beneficial to improving the working stability of the shield cover clamp; simple structure, convenient processing and low manufacturing cost.

Description

Shielding case clamp

Technical Field

The utility model relates to a shield assembly technical field especially relates to a shield cover presss from both sides.

Background

The shielding case is a common shielding device for shielding components on the PCB, one part of the shielding case is fixed on the PCB by welding, and the other shielding case is detachably connected with the PCB by a shielding case clamp (the shielding case clamp is fixed on the PCB).

Current shield cover presss from both sides including the welding part, and the relative both sides of welding part are equipped with the centre gripping arm respectively, two the centre gripping arm sets up relatively, and the side centre gripping of shield cover is in two between the centre gripping arm. Due to space and other factors, some shield clip can only be laterally abutted against the shield, and the existing shield clip obviously cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a shield clip having a wide application range is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: the shielding case clamp comprises a welding part, wherein at least one group of contact assemblies are arranged on the welding part, each contact assembly comprises two contact arms, and one ends of the contact arms, which are far away from the welding part, are provided with outward bent convex parts.

Furthermore, an inner convex part is arranged at one end, far away from the welding part, of the contact arm, and one end, far away from the welding part, of the inner convex part is connected with the outer convex part.

Furthermore, an SMT absorption area is arranged on the welding part.

Furthermore, the number of the contact assemblies on the welding part is two, and the two contact assemblies are arranged at intervals.

Further, the SMT absorption area is positioned between the two groups of contact assemblies.

Furthermore, at least one through hole is formed in the welding portion.

Further, the through hole is located between two contact arms of the contact assembly.

Further, the through hole is in a long round hole shape.

The beneficial effects of the utility model reside in that: when the shielding cover clamp is used by a user, the shielding cover can be clamped and fixed through the two contact arms in the contact assembly, and the outer convex parts on the contact arms can be abutted against the side edges of the shielding cover to fix the shielding cover, so that the requirement of the shielding cover clamp on the installation environment is reduced, and the application range of the shielding cover clamp is favorably expanded; the working states of the contact arms do not influence each other, which is beneficial to improving the working stability of the shield cover clamp; simple structure, convenient processing and low manufacturing cost.

Drawings

Fig. 1 is a schematic view of an overall structure of a shield clip according to a first embodiment of the present invention;

fig. 2 to fig. 4 are schematic views illustrating a shield clip according to a first embodiment of the present invention.

Description of reference numerals:

1. welding the part;

2. a contact arm;

3. an outer convex portion;

41. a vertical portion;

42. a first inclined portion;

43. a second inclined portion;

44. a protection part;

5. an SMT absorption area;

6. a through hole;

7. an inner convex part.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

The utility model discloses the most crucial design lies in: the outside setting of contact site can conflict the outer convex part of fixed shield cover side, and the shield cover presss from both sides not only can the fixed shield cover of centre gripping, can conflict fixed shield cover again, has reduced the shield cover and has pressed from both sides the requirement to the installation environment, does benefit to the application scope that enlarges the shield cover clamp.

Referring to fig. 1 to 4, a shield clip includes a welding portion 1, at least one set of contact elements is disposed on the welding portion 1, each contact element includes two contact arms 2, and an end of each contact arm 2 away from the welding portion 1 has an outward-bent convex portion 3.

From the above description, the beneficial effects of the present invention are: when the shielding cover clamp is used by a user, the shielding cover can be clamped and fixed through the two contact arms 2 in the contact assembly, and the outer convex parts 3 on the contact arms 2 can be abutted against the side edges of the shielding cover to fix the shielding cover, so that the requirement of the shielding cover clamp on the installation environment is reduced, and the application range of the shielding cover clamp is favorably expanded; the working states of the contact arms 2 do not influence each other, which is beneficial to improving the working stability of the shield cover clamp; simple structure, convenient processing and low manufacturing cost.

Furthermore, an inner convex part 7 is arranged at one end of the contact arm 2 far away from the welding part 1, and one end of the inner convex part 7 far away from the welding part 1 is connected with the outer convex part 3.

As can be seen from the above description, the provision of the inner protrusion 7 facilitates to improve the clamping force of the shield clip, thereby improving the stability of the operation of the shield clip.

Further, an SMT pick-up area 5 is provided on the welding portion 1.

As can be seen from the above description, the arrangement of the SMT pick-up region 5 enables the shielding case clip to be mounted on the circuit board through the SMT process, which is beneficial to improving the assembly efficiency of the subsequent process and reducing the assembly cost.

Further, the number of the contact assemblies on the welding part 1 is two, and the two contact assemblies are arranged at intervals.

As can be seen from the above description, the contact arms 2 are numerous, which is advantageous for improving the stability of the connection of the shield clip to the shield.

Further, the SMT pick up area 5 is located between two sets of the contact assemblies.

According to the description, in the SMT process, the stress of the shielding case clamp is uniform, and the assembly precision of the shielding case clamp is favorably ensured.

Further, at least one through hole 6 is formed in the welding portion 1.

As can be seen from the above description, the through holes 6 can prevent the occurrence of cold solder joint and solder joint leakage in the soldering portion 1, so that the shield clip and the circuit board can be firmly combined.

Further, the through hole 6 is located between two contact arms 2 of the contact assembly.

Further, the through hole 6 is in a long round hole shape.

Example one

Referring to fig. 1 to 4, a first embodiment of the present invention is: referring to fig. 1, the shield clip includes a welding portion 1, at least one set of contact assembly is disposed on the welding portion 1, the contact assembly includes two contact arms 2, an outward protruding portion 3 bent outward is disposed at one end of the contact arm 2 away from the welding portion 1, an inner protruding portion 7 is disposed at one end of the contact arm 2 away from the welding portion 1, and one end of the inner protruding portion 7 away from the welding portion 1 is connected to the outer protruding portion 3.

The two contact arms 2 in the same group of contact assemblies can be arranged oppositely or in a staggered manner, in the embodiment, the two contact arms 2 in the same group of contact assemblies are arranged in a staggered manner, so that the working time of each contact arm 2 is not influenced mutually.

In the present embodiment, the contact arm 2 includes a vertical portion 41 connected to the welding portion 1, one end of the vertical portion 41 away from the welding portion 1 extends obliquely upward to form a first inclined portion 42, one end of the first inclined portion 42 away from the vertical portion 41 extends obliquely upward to form a second inclined portion 43, one end of the second inclined portion 43 away from the first inclined portion 42 extends obliquely downward to form the outer protrusion 3, and a connection portion between the first inclined portion 42 and the second inclined portion 43 forms the inner protrusion 7. In order to prevent the projecting portion 3 from scratching the shield cover or the worker, one end of the projecting portion 3 remote from the second inclined portion 43 extends obliquely downward toward the inside (in a direction closer to the welded portion 1) to form a protecting portion 44.

In order to improve the assembly efficiency of the shielding case clamp and the circuit board, an SMT absorption area 5 is arranged on the welding part 1. In this embodiment, the number of the contact assemblies on the welding part 1 is two, two the contact assemblies are arranged at intervals, and the SMT pick-up area 5 is located between the two contact assemblies.

In order to enable the shielding case clamp to be connected with the circuit board more stably, at least one through hole 6 is formed in the welding portion 1. Preferably, the through hole 6 is located between two of the contact arms 2 of the contact assembly. Optionally, the through hole 6 is in a long round hole shape.

Fig. 2 to 4 respectively show a connection manner of the shield clip and the shield, so as to provide the reader with understanding of the technical solution.

To sum up, the shielding cover clip provided by the utility model can not only clamp and fix the shielding cover through two contact arms in the contact assembly, but also can fix the shielding cover by the outer convex parts on the contact arms abutting against the side edges of the shielding cover, thereby reducing the requirements of the shielding cover clip on the installation environment and being beneficial to expanding the application range of the shielding cover clip; the working states of the contact arms do not influence each other, which is beneficial to improving the working stability of the shield cover clamp; the structure is simple, the processing is convenient, and the manufacturing cost is low; the operation is stable.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a shield cover presss from both sides, includes the weld part, be equipped with at least a set of contact assembly on the weld part, contact assembly includes two contact arms, its characterized in that: one end of the contact arm, which is far away from the welding part, is provided with an outward bent convex part which is used for abutting against the inner side wall or the outer side wall of the shielding cover.

2. The shield clip of claim 1, wherein: and one end of the contact arm, which is far away from the welding part, is provided with an inner convex part, and one end of the inner convex part, which is far away from the welding part, is connected with the outer convex part.

3. The shield clip of claim 1, wherein: and an SMT absorption area is arranged on the welding part.

4. The shield clip of claim 3, wherein: the number of the contact assemblies on the welding part is two, and the two contact assemblies are arranged at intervals.

5. The shield clip of claim 4, wherein: the SMT absorption area is positioned between the two groups of contact assemblies.

6. The shield clip of claim 1, wherein: the welding part is provided with at least one through hole.

7. The shield clip of claim 6, wherein: the through hole is located between two of the contact arms of the contact assembly.

8. The shield clip of claim 6, wherein: the through hole is in a long round hole shape.