CN218187547U

CN218187547U - Magnetic attraction type anti-static wrist strap self-adaptive switching device

Info

Publication number: CN218187547U
Application number: CN202221793720.4U
Authority: CN
Inventors: 祁新甫
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-01-03
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a formula is inhaled to magnetism and is prevented static wrist area self-adaptation switching device, include: the magnetic suction male head comprises a magnetic suction male head shell, wherein one end of the magnetic suction male head shell is in a round platform-shaped structure, a connector is detachably inserted into the inner wall of one end of the magnetic suction male head shell, one end of the connector is connected with a wrist strap lead, and the wrist strap lead is connected with an elastic wrist strap main body through a conductive assembly; the first magnetic suction block is embedded in the outer wall of one side of the magnetic suction male head shell; the fastening screw penetrates through the first magnetic suction block and then is connected to the inner wall of the magnetic suction male head shell through threads and used for fixing the first magnetic suction block; one side of the base shell, which is close to the magnetic male head shell, is of a concave structure matched with the circular truncated cone shape of the magnetic male head shell. The utility model discloses a set up public head casing of magnetism, base casing isotructure, can make and obtain firm reliable connected mode more between elasticity wrist strap main part and the earth conductor, compare in the adapter of alligator clip formula, improved anti pine ability greatly.

Description

Magnetic attraction type anti-static wrist strap self-adaptive switching device

Technical Field

The utility model relates to a prevent static wrist area technical field, especially relate to formula is inhaled to magnetism and is prevented static wrist area self-adaptation switching device.

Background

The anti-static wrist strap is worn on the wrist of an operator of an electronic production line, static accumulated by a human body is released to the ground through the wrist strap, so that sensitive components are prevented from being damaged by static, protection of HBM (human body discharge mode) is generally called, the anti-static wrist strap is widely used in the semiconductor industry and the electronic assembly industry, belongs to a basic tool, and along with the fact that the circuit of a large-scale integrated circuit chip is smaller and smaller, the requirement on static resistance is higher and higher, and therefore the use of the anti-static wrist strap is more and more important.

Through the retrieval, chinese patent application number is CN201821339426. X's patent discloses a durable type prevents static wrist area, including the area body, the both sides cover of the area body is equipped with the elastic wire cover, and the inner wall of the area body is provided with the silica gel piece, the top of the area body is provided with detains the seat, the upper portion of detaining the seat is provided with the discount, one side of discount is provided with the solid piece of pressing, and the one end of discount passes through the solid piece fixedly connected with spring conductive coil of pressing, the alligator clip is installed for the one end of pressing solid piece to the spring conductive coil. The anti-static wrist strap in the above patent has the following disadvantages: the connecting device is connected with a grounding wire through an alligator clip, and the connecting mode using the alligator clip has the following two defects:

(1) the teeth of the crocodile clip and the grounding lead are in point contact, the crocodile clip is easy to slip when slightly shaking or pulling, and if the operator does not know, static electricity of a human body can be accumulated and cannot be released, so that sensitive components can be damaged;

(2) when an operator installs the crocodile clip on the grounding lead or opens the crocodile clip when leaving the seat, the operator needs to press the crocodile clip with thumb and forefinger (15N) hard to open the crocodile clip, and the crocodile clip is labor-consuming in ergonomics and causes discomfort.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and the provided magnetic suction type anti-static wrist strap self-adaptive switching device.

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

magnetism is inhaled formula and is prevented static wrist strap self-adaptation switching device includes:

the magnetic suction male head comprises a magnetic suction male head shell, wherein one end of the magnetic suction male head shell is in a round platform-shaped structure, a connector is detachably inserted into the inner wall of one end of the magnetic suction male head shell, one end of the connector is connected with a wrist strap lead, and the wrist strap lead is connected with an elastic wrist strap main body through a conductive assembly;

the first magnetic suction block is embedded in the outer wall of one side of the magnetic suction male head shell;

the fastening screw penetrates through the first magnetic suction block and then is connected to the inner wall of the magnetic suction male head shell through threads and used for fixing the first magnetic suction block;

one side of the base shell, which is close to the magnetic male head shell, is of a concave surface structure matched with the circular truncated cone shape of the magnetic male head shell, and the outer walls of the two sides of the base shell are provided with wire holes for the grounding wires to pass through;

the second magnetic suction block is arranged on the inner side of the base shell and mutually attracts the first magnetic suction block;

and the threaded part is connected to the inner wall of the base shell through threads and is used for clamping the grounding wire.

As a further aspect of the present invention: the outer wall of one side of the base shell is provided with an annular groove, the buffering gasket is arranged in the annular groove, and the thickness of the buffering gasket is larger than the depth of the annular groove.

As the utility model discloses further scheme again: the magnetic male head shell and the base shell are made of brass H60, and the overall resistance is smaller than 0.15 omega.

As a further aspect of the present invention: the threaded piece is a ball spring stud.

As the utility model discloses further scheme again: the first magnetic suction block and the second magnetic suction block adopt neodymium iron boron permanent magnets.

As a further aspect of the present invention: the fastening screw is a countersunk screw.

As the utility model discloses further scheme again: the buffer gasket is made of rubber.

As a further aspect of the present invention: elastic wrist strap main part one side is provided with the mount pad, and conductive component installs in the mount pad, conductive component includes:

the metal conductive piece is provided with a limiting part, the metal conductive piece is clamped on the inner side of the mounting seat through the limiting part, and two ends of the metal conductive piece protrude out of the outer wall of the mounting seat;

the conductive buckle is detachably clamped on the outer wall of one end of the metal conductive piece, and the top of the wrist strap wire is connected to the bottom of the conductive buckle.

As a further aspect of the present invention: the elastic wrist strap main body is provided with air holes which are uniformly distributed.

The utility model has the advantages that:

1. the utility model discloses a set up public first casing of magnetism, base casing isotructure, can make and obtain more firm reliable connected mode between elasticity wrist strap main part and the earth conductor, compare in the adapter of the formula of crocodile clamp, improved anti loose ability greatly.

2. The utility model discloses still possess the ergonomic effect that is showing, compare the connected mode of crocodile clamp formula, it is laborsaving convenient when connecting, and only need pull when throwing away and pull the wrist strap wire in a distance and can make public first casing of magnetism suction and base casing disconnection, it is very simple effective.

3. The utility model discloses a set up buffering packing ring isotructure, can inhale the public first casing of magnetism and adsorb and base casing on the time, cushion, avoid structural damage, prolonged life.

4. The utility model discloses a set up conductive component isotructure, can realize the electrically conductive connection between human body and the wrist strap wire based on spacing portion, electrically conductive knot, and electrically conductive the dismouting that detains can be convenient in metal conductive piece one end, promoted the practicality.

Drawings

Fig. 1 is a schematic structural view of the detachable magnetic attraction type anti-static wrist strap adaptive switching device provided by the utility model;

fig. 2 is a schematic structural view of a base shell of the magnetic attraction type anti-static wrist band adaptive switching device provided by the utility model;

fig. 3 is the utility model provides a structural schematic of formula antistatic wrist area self-adaptation switching device elasticity wrist area main part, conductive component split are inhaled to magnetism.

In the figure: 1-elastic wrist strap main body, 2-conductive component, 3-wrist strap lead, 4-magnetic male head shell, 5-first magnetic block, 6-fastening screw, 7-buffer washer, 8-screw element, 9-second magnetic block, 10-base shell, 11-grounding lead, 12-connector, 13-annular groove, 14-wire hole, 15-air vent, 16-mounting seat, 17-metal conductive element, 18-conductive button and 19-limiting part.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Magnetism is inhaled formula and is prevented static wrist strap self-adaptation switching device, as shown in fig. 1-3, include:

the magnetic male head comprises a magnetic male head shell 4, one end of the magnetic male head shell 4 is in a round table-shaped structure, a connector 12 is detachably inserted into the inner wall of one end of the magnetic male head shell 4, one end of the connector 12 is connected with a wrist strap lead 3, and the wrist strap lead 3 is connected with an elastic wrist strap main body 1 through a conductive component 2;

the first magnetic suction block 5 is arranged on the outer wall of one side of the magnetic suction male head shell 4 in an embedded mode;

the fastening screw 6 penetrates through the first magnetic suction block 5 and then is connected to the inner wall of the magnetic suction male head shell 4 through threads to fix the first magnetic suction block 5;

one side of the base shell 10, which is close to the magnetic male head shell 4, is of a concave structure matched with the circular truncated cone shape of the magnetic male head shell 4, and wire holes 14 for the grounding wires 11 to pass through are formed in the outer walls of the two sides of the base shell 10;

the second magnetic suction block 9, the second magnetic suction block 9 is mounted inside the base shell 10, and the second magnetic suction block 9 and the first magnetic suction block 5 attract each other;

the screw member 8 is connected to the inner wall of the base shell 10 through threads, and is used for clamping the grounding lead 11;

by arranging the magnetic suction male head shell 4, the base shell 10 and the like, a more stable and reliable connection mode can be obtained between the elastic wrist band body 1 and the grounding lead 11, and compared with a crocodile clip type adapter, the anti-loosening capacity is greatly improved; still possess apparent human engineering effect, compare the connected mode of crocodile clamp formula, it is laborsaving convenient during the connection, and only need pull when breaking away from and pull wrist strap wire 3 and can make the public head casing of magnetism 4 and the disconnection of base casing 10, it is very simple effective.

The buffer is convenient to buffer during magnetic attraction; as shown in fig. 1 and 2, an annular groove 13 is formed in an outer wall of one side of the base housing 10, the cushion washer 7 is installed in the annular groove 13, and the thickness of the cushion washer 7 is greater than the depth of the annular groove 13;

through setting up buffer washer 7 isotructures, can inhale the public first casing 4 of magnetism and adsorb with base casing 10 on the time, cushion, avoid structural damage, prolonged life.

In order to improve reliability; as shown in fig. 1, the magnetic male head housing 4 and the base housing 10 are made of brass H60, and the overall resistance is less than 0.15 Ω.

In order to improve reliability; as shown in fig. 1, the first magnetic attraction block 5 and the second magnetic attraction block 9 adopt neodymium iron boron permanent magnets.

In order to improve reliability; as shown in fig. 1, the screw member 8 is a ball spring stud.

In order to improve reliability; as shown in fig. 1, the fastening screw 6 is a countersunk head screw.

In order to improve reliability; as shown in fig. 1, the cushion washer 7 is made of rubber.

The working principle is as follows: when in use, the grounding lead 11 passes through the two wire holes 14 of the base shell 10, the screw thread piece 8 is screwed, the tightness degree of the screw thread piece is adjusted, so that the base shell 10 and the screw thread piece 8 are matched to compress the lead and can slide on the lead; then the connector 12 is inserted into the magnetic male head shell 4, the magnetic male head shell 4 is close to the base shell 10, the truncated cone-shaped structure of the magnetic male head shell 4 is self-adaptively positioned into the base shell 10 through the mutual attraction effect of the permanent magnets, and the metal surfaces are in close contact, so that the installation is convenient and rapid; the buffer gasket 7 on the base plays a role in buffering and preventing impact when magnetic attraction collides; in addition, when the magnetic male head shell 4 and the base shell 10 are disconnected, the wrist strap lead 3 is pulled and pulled at a distance, and the magnetic male head shell is very simple and effective.

Example 2

For the convenience of the dismouting, refer to fig. 3, the formula is inhaled to magnetism and is prevented static wrist strap self-adaptation switching device, and this embodiment makes following improvement in embodiment 1 relatively, elasticity wrist strap main part 1 one side is provided with mount pad 16, and conductive component 2 installs in mount pad 16, conductive component 2 includes:

the metal conductive piece 17 is provided with a limiting part 19, the metal conductive piece 17 is clamped on the inner side of the mounting seat 16 through the limiting part 19, and two ends of the metal conductive piece 17 protrude out of the outer wall of the mounting seat 16;

the conductive button 18, the conductive button 18 is connected to the outer wall of one end of the metal conductive piece 17 in a detachable clamping manner, the top of the wrist strap lead 3 is connected to the bottom of the conductive button 18;

through setting up conducting assembly 2 isotructure, can realize the electrically conductive connection between human body and the wrist strap wire 3 based on spacing portion 19, electrically conductive knot 18, and electrically conductive 18 dismouting that can be convenient in the electrically conductive 17 one end of metal, promoted the practicality.

In order to improve comfort, as shown in fig. 3, the elastic wrist band body 1 is provided with air holes 15 which are uniformly distributed;

through setting up bleeder vent 15, promoted the air permeability when elasticity wrist strap main part 1 is worn, ensured the comfort level of wearing.

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

1. Magnetism is inhaled formula and is prevented static wrist strap self-adaptation switching device, its characterized in that includes:

the magnetic male head comprises a magnetic male head shell (4), one end of the magnetic male head shell (4) is of a round table-shaped structure, a connector (12) is detachably inserted into the inner wall of one end of the magnetic male head shell (4), one end of the connector (12) is connected with a wrist strap lead (3), and the wrist strap lead (3) is connected with an elastic wrist strap main body (1) through a conductive assembly (2);

the first magnetic suction block (5), the first magnetic suction block (5) is embedded in the outer wall of one side of the magnetic suction male head shell (4);

the fastening screw (6) penetrates through the first magnetic suction block (5) and then is connected to the inner wall of the magnetic suction male head shell (4) through threads to fix the first magnetic suction block (5);

one side of the base shell (10), which is close to the magnetic male head shell (4), is of a concave structure matched with the circular truncated cone shape of the magnetic male head shell (4), and wire holes (14) for grounding wires (11) to pass through are formed in the outer walls of the two sides of the base shell (10);

the second magnetic suction block (9), the second magnetic suction block (9) is arranged on the inner side of the base shell (10), and the second magnetic suction block (9) and the first magnetic suction block (5) attract each other;

the threaded piece (8) is connected to the inner wall of the base shell (10) through threads, and is used for clamping the grounding lead (11).

2. The self-adaptive switching device of the magnetic-type anti-static wrist strap according to claim 1, wherein an annular groove (13) is formed in the outer wall of one side of the base shell (10), the buffer gasket (7) is installed in the annular groove (13), and the thickness of the buffer gasket (7) is greater than the depth of the annular groove (13).

3. The adaptive switching device of the magnetic attraction type anti-static wrist strap according to claim 2, wherein the magnetic attraction male head shell (4) and the base shell (10) are made of brass H60, and the overall resistance is less than 0.15 Ω.

4. The adaptive adaptor device for magnetic-type antistatic wrist band according to claim 3, characterized in that the screw member (8) is a ball spring stud.

5. The adaptive switching device of magnetic attraction type antistatic wrist strap according to claim 4, wherein the first magnetic attraction block (5) and the second magnetic attraction block (9) are made of Nd-Fe-B permanent magnets.

6. The adaptive switching device of magnetic-type antistatic wrist strap according to claim 5 is characterized in that the fastening screw (6) is a countersunk head screw.

7. The adaptive switching device of magnetic-type antistatic wrist strap according to claim 6, characterized in that the buffer washer (7) is made of rubber.

8. The adaptive switching device of magnetic-type antistatic wrist strap according to any one of claims 1 to 7, wherein a mounting seat (16) is provided on one side of the elastic wrist strap body (1), a conductive component (2) is installed in the mounting seat (16), and the conductive component (2) comprises:

the metal conductive piece (17), there are spacing parts (19) on the metal conductive piece (17), the metal conductive piece (17) is connected to the inboard of the mount pad (16) through the spacing part (19) joint, and both ends of the metal conductive piece (17) are protruded in the outer wall of the mount pad (16);

the conductive button (18), the conductive button (18) is detachably clamped on the outer wall of one end of the metal conductive piece (17), and the top of the wrist strap lead (3) is connected to the bottom of the conductive button (18).

9. The adaptive switching device of magnetic-type antistatic wrist strap according to claim 8, wherein the elastic wrist strap body (1) is provided with air holes (15) uniformly distributed.