CN210130062U - Prevent shielding reed that drops - Google Patents

Abstract

The utility model belongs to the technical field of electromagnetic shield equipment, especially, prevent shielding reed that drops, to the problem that current sheet spare drops easily at the in-process of plug, the following scheme is proposed at present, it includes elasticity circular arc spare and the straight flange spare of bending that links to each other with it, be equipped with the sheet metal on the elasticity circular arc spare, two one ends that the straight flange spare of bending is close to each other all weld the hook piece of bending, the mounting hole has been seted up at the top of sheet metal, the top of two hook pieces of bending all runs through the mounting hole and extends to the top of sheet metal, the card hole has all been seted up at one side top that two hook pieces of bending are close to each other, the downthehole movable mounting of card has the kelly, the bottom of two kellies. The utility model relates to a rationally, through adjusting the distance between two kellies, can restrict the position of the hook piece of bending to can stabilize the connection of elasticity circular arc piece on the sheet metal, avoid elasticity circular arc piece to take place to drop.

Description

Prevent shielding reed that drops

Technical Field

The utility model relates to an electromagnetic shield equipment technical field especially relates to a prevent shielding reed that drops.

Background

In electronic equipment or communication equipment, in order to solve the electromagnetic shielding problem caused by the gap between the thin plate pieces needing to be inserted and pulled out, reeds are often installed to ensure reliable electrical connection when the equipment normally works. The clamping (C type) reed commonly used in the present electronic equipment or communication equipment can generally meet the performance requirement of shielding. Through retrieval, patent document No. 200720129516.1 discloses an anti-drop shielding reed, which includes: the elastic arc piece, the bent straight edge piece and the bent hook piece are connected with the elastic arc piece. The bending hook piece is arranged on the edge of the bending straight edge piece, is distributed along the length direction of the bending straight edge piece, and is of a plurality of thousands of square structures which are arranged at acute angles with the bending straight edge piece and extend inwards in an inclined mode; the elastic arc piece, the bent straight edge piece and the bent hook piece are of an integrated molding structure. The anti-dropping device is not easy to drop in the plugging and pulling use process, and solves the problems of electromagnetic leakage, even short circuit of a circuit board and the like caused by the dropping of the reed of the thin plate of the communication equipment.

However, most of the existing shielding reeds are easy to fall off due to the deformation of the clamping type reeds caused by stress in the process of inserting and pulling the thin plate piece, and have poor stability, so that a shielding reed for preventing falling off is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing thin plate part is easy to fall off in the process of plugging and unplugging, and providing a shielding reed for preventing falling off.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shielding reed for preventing falling off comprises an elastic arc piece and a bent straight edge piece connected with the elastic arc piece, wherein a thin plate is arranged on the elastic arc piece, bent hook pieces are welded at the ends, close to each other, of the two bent straight edge pieces, the top of the thin plate is provided with an installation hole, the top ends of the two bent hook pieces penetrate through the installation hole and extend to the upper side of the thin plate, clamping holes are formed in the tops of the sides, close to each other, of the two bent hook pieces, clamping rods are movably installed in the clamping holes, and the bottoms of the two clamping rods are movably contacted with the top of the thin plate;

one end that a kelly in two kellies is close to another kelly has seted up the circular recess, the ball is installed to the circular recess internal rotation, the outside welding of ball has the threaded rod, the one end of threaded rod extends to the outside of circular recess, the outside thread bush of threaded rod is equipped with the sleeve pipe, sheathed tube one end welding has a plurality of spacing on another kelly on the inner wall of circular recess, the outside movable contact of spacing and ball.

Preferably, the top side welding of kelly has the baffle, and two baffles all are located two hook member that bend between, and the baffle is used for restricting two hook member's that bend positions.

Preferably, the vertical section of the clamping rod and the vertical section of the clamping hole are both rectangular structures, and lubricating grease is coated on the outer side of the clamping rod, the outer side of the ball and the outer side of the threaded rod, so that the clamping rod is prevented from rotating.

Preferably, the fixed cover in the outside of threaded rod is equipped with the knob, and the bottom side of knob extends to in the mounting hole, the top side of elasticity circular arc spare has seted up the bar hole, makes things convenient for the rotating threaded rod.

Preferably, the side holes are formed in two sides of the top of the thin plate, and the outer side of the elastic arc piece is movably contacted with the inner wall of the side hole and used for inserting the elastic arc piece into the thin plate.

In the utility model, the shielding reed for preventing falling is matched with the clamp hole, the clamping rod, the circular groove, the ball, the threaded rod, the sleeve, the baffle and the knob, the knob is rotated to drive the threaded rod to rotate, the vertical section of the clamping rod and the vertical section of the clamp hole are both in a rectangular structure, so the clamping rod can not rotate along with the rotation when the threaded rod rotates, the threaded rod drives the ball to rotate in the circular groove, the position of the ball can be limited by the limit strip, the threaded rod can be screwed in or screwed out of the sleeve when rotating in the sleeve, when the threaded rod is screwed in the sleeve gradually, the common length of the threaded rod and the sleeve is reduced, the distance between the two clamping rods is reduced gradually, the clamping rods can be taken off from the bending hook piece, and then the elastic circular arc piece can be taken off from the thin;

through the matching of the elastic arc piece, the bent straight edge piece, the thin plate, the bent hook piece, the mounting hole, the strip-shaped hole, the side and the limiting strip, when the bent hook piece is required to be fixed on the thin plate, two ends of the bent hook piece are inserted into the two side holes again, the bent hook piece is inserted into the mounting hole, the two clamping rods are respectively inserted into the two clamping holes, the knob is rotated to enable the threaded rod to gradually rotate out of the sleeve, the two clamping rods are gradually far away, when the baffle plate on the clamping rods supports the bent hook piece, the baffle plate limits the top position of the bent hook piece, the top of the bent hook piece cannot be bent towards the inner side of the mounting hole, and the clamping rods support the top position of the thin plate, so that the bent hook piece can be stably connected onto the thin plate, and the elastic arc piece;

the utility model relates to a rationally, through adjusting the distance between two kellies, can restrict the position of the hook piece of bending to can stabilize the connection of elasticity circular arc piece on the sheet metal, avoid elasticity circular arc piece to take place to drop.

Drawings

Fig. 1 is a schematic structural view of a shielding reed for preventing falling off according to the present invention;

fig. 2 is a schematic structural view of a part a of a shielding spring for preventing falling off according to the present invention;

fig. 3 is a schematic structural diagram of a part B of a shielding reed for preventing falling off according to the present invention.

In the figure: the device comprises an elastic arc part 1, a bent straight edge part 2, a thin plate 3, a bent hook part 4, a mounting hole 5, a clamping hole 6, a clamping rod 7, a circular groove 8, a ball 9, a threaded rod 10, a sleeve 11, a baffle 12, a knob 13, a strip-shaped hole 14, a side hole 15 and a limiting strip 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the anti-falling shielding reed comprises an elastic arc piece 1 and a bent straight edge piece 2 connected with the elastic arc piece, wherein a thin plate 3 is arranged on the elastic arc piece 1, bent hook pieces 4 are welded at the ends, close to each other, of the two bent straight edge pieces 2, the top of the thin plate 3 is provided with a mounting hole 5, the top ends of the two bent hook pieces 4 penetrate through the mounting hole 5 and extend to the upper side of the thin plate 3, clamping holes 6 are formed in the tops, close to each other, of the two bent hook pieces 4, clamping rods 7 are movably mounted in the clamping holes 6, and the bottoms of the two clamping rods 7 are movably contacted with the top of the thin plate 3;

one 7 of two kellies 7 is close to the one end of another kellies 7 and has been seted up circular recess 8, and ball 9 is installed to the rotation in circular recess 8, and the outside welding of ball 9 has threaded rod 10, and the one end of threaded rod 10 extends to the outside of circular recess 8, and the outside thread bush of threaded rod 10 is equipped with sleeve pipe 11, and the one end welding of sleeve pipe 11 has a plurality of spacing 16 on another kellies 7, the welding on the inner wall of circular recess 8, spacing 16 and the outside movable contact of ball 9.

The utility model discloses in, the top side welding of kelly 7 has baffle 12, and two baffles 12 all are located two hook piece 4 that bend between, and baffle 12 is used for restricting two hook piece 4's that bend positions.

The utility model discloses in, the perpendicular cross-section of kelly 7 and the perpendicular cross-section of calorie hole 6 are the rectangle structure, and lubricating grease has all been coated in the outside of kelly 7, the outside of ball 9 and the outside of threaded rod 10, avoids kelly 7 to take place to rotate.

The utility model discloses in, the fixed cover in the outside of threaded rod 10 is equipped with knob 13, and in knob 13's bottom side extended to mounting hole 5, bar hole 14, convenient rotating threaded rod 10 had been seted up to the top side of elasticity circular arc spare 1.

The utility model discloses in, side opening 15 has all been seted up to sheet metal 3's top both sides, and the movable contact is gone up with the inner wall of side opening 15 in the outside of elasticity circular arc spare 1 for peg graft elasticity circular arc spare 1 on sheet metal 3.

In the utility model, when in use, the knob 13 is rotated, the knob 13 rotates to drive the threaded rod 10 to rotate, because the vertical cross section of the clamping rod 7 and the vertical cross section of the clamping hole 6 are both rectangular structures, the clamping rod 7 can not rotate when the threaded rod 10 rotates, at the moment, the threaded rod 10 drives the ball 9 to rotate in the circular groove 8, the limit strip 16 in the circular groove 8 is used for limiting the position of the ball 9, the threaded rod 10 can be screwed into the sleeve 11 or unscrewed from the sleeve 11 when rotating in the sleeve 11, when the threaded rod 10 is screwed into the sleeve 11 gradually, the common length of the threaded rod 10 and the sleeve 11 is reduced, so that the distance between the two clamping rods 7 is reduced gradually, the clamping rods 7 can be taken off from the bending hook piece 4, at the moment, the elastic arc piece 1 can be taken off from the thin plate 3, if the bending hook piece 1 needs to be fixed on the thin plate 3, the two ends of the bending hook piece 1 are inserted, insert hook piece 4 of will bending in mounting hole 5, insert two kellies 7 respectively in two card holes 6, rotating knob 13, make threaded rod 10 screw out sleeve 11 gradually, two kellies 7 are kept away from gradually, when kellies 7 overhead gage 12 supports hook piece 4 of bending, baffle 12 can restrict hook piece 4's of bending top position, make hook piece 4's of bending top unable normal side mounting hole 5's inboard take place to be crooked, and kellies 7 supports the top position of sheet metal 3, so can be with hook piece 4 of bending firm connection on sheet metal 3, avoid elasticity circular arc 1 to drop from sheet metal 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The shielding reed capable of preventing falling comprises an elastic arc part (1) and a bent straight edge part (2) connected with the elastic arc part, wherein a thin plate (3) is arranged on the elastic arc part (1), bent hook parts (4) are welded at one ends, close to each other, of the two bent straight edge parts (2), a mounting hole (5) is formed in the top of the thin plate (3), the top ends of the two bent hook parts (4) penetrate through the mounting hole (5) and extend to the upper side of the thin plate (3), and the shielding reed is characterized in that clamping holes (6) are formed in the top of one side, close to each other, of the two bent hook parts (4), clamping rods (7) are movably mounted in the clamping holes (6), and the bottoms of the two clamping rods (7) are movably contacted with the top of the thin plate (3);

circular recess (8) have been seted up to one end that a kelly (7) in two kellies (7) is close to another kelly (7), ball (9) are installed to circular recess (8) internal rotation, the outside welding of ball (9) has threaded rod (10), the one end of threaded rod (10) extends to the outside of circular recess (8), the outside thread bush of threaded rod (10) is equipped with sleeve pipe (11), the one end welding of sleeve pipe (11) has a plurality of spacing (16) on another kelly (7), and the welding has on the inner wall of circular recess (8), the outside movable contact of spacing (16) and ball (9).

2. An anti-shedding shielding reed according to claim 1, wherein a baffle (12) is welded on the top side of the clamping rod (7), and the two baffles (12) are positioned between the two bent hook members (4).

3. The anti-falling shielding reed as claimed in claim 1, wherein the vertical section of the clamping rod (7) and the vertical section of the clamping hole (6) are both rectangular structures, and the outer side of the clamping rod (7), the outer side of the ball (9) and the outer side of the threaded rod (10) are coated with grease.

4. The anti-falling shielding reed as claimed in claim 1, wherein a knob (13) is fixedly sleeved on the outer side of the threaded rod (10), the bottom side of the knob (13) extends into the mounting hole (5), and a strip-shaped hole (14) is formed in the top side of the elastic arc piece (1).

5. The anti-falling shielding reed according to claim 1, wherein side holes (15) are formed on both sides of the top of the thin plate (3), and the outer side of the elastic arc member (1) is in movable contact with the inner walls of the side holes (15).

Images