CN109432591B - Cantilever type human body electrostatic releaser - Google Patents
Cantilever type human body electrostatic releaser Download PDFInfo
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- CN109432591B CN109432591B CN201811651611.7A CN201811651611A CN109432591B CN 109432591 B CN109432591 B CN 109432591B CN 201811651611 A CN201811651611 A CN 201811651611A CN 109432591 B CN109432591 B CN 109432591B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/14—Leading-off electric charges, e.g. by earthing
Abstract
The invention discloses a cantilever type human body electrostatic releaser which comprises a human body electrostatic releaser body, wherein the human body electrostatic releaser body comprises a mounting assembly, a metal arm and a touch ball head device, the mounting assembly comprises a positioning plate, a connecting disc and a limiting spring, a hollow stop block is arranged on the positioning plate, the inner cavity of the stop block is communicated with the outside through the bottom of the stop block, and a support shaft is arranged in the inner cavity of the stop block; one side of the connecting disc is connected with the tail end of the horizontal section of the metal arm, and a through hole is formed in the connecting disc; a notch is arranged at the edge of the connecting disc, extends to the through hole along a section of involute and is communicated with the through hole; a hanging lug is arranged on the side wall of the connecting disc; the supporting shaft is clamped into the connecting disc through the through hole and moves into the through hole; one end of the limiting spring is connected with the positioning plate, and the other end of the limiting spring is hung on the support lug through the circular hook. The invention has simple installation steps, high installation speed, quick disassembly and convenient later-period disassembly and maintenance, and does not need to repeatedly screw bolts.
Description
Technical Field
The invention relates to the field of static electricity, in particular to a cantilever type human body static electricity releaser.
Background
Static electricity is an objective natural phenomenon that occurs in a variety of ways, such as contact, friction, peeling, and the like. Human body accumulated static electricity harms health: some people have skin allergy, arrhythmia, headache, insomnia, dysphoria, and other symptoms, and some people have strong hair and mental stress. Fear of contact with metal objects. In addition, when static electricity is accumulated in a human body, the computer is halted by touching the computer, electronic components are broken down, and inflammable substances are ignited. The static electricity on the human body can be eliminated quickly by adopting the human body static electricity eliminator. The static eliminator for human body adopts a passive circuit, and utilizes the static on human body to make the circuit work so as to finally attain the action of eliminating static electricity. It has the features of small size, light weight, no need of power supply, no feeling in eliminating static electricity, etc. The human body electrostatic releaser comprises a mounting assembly, an L-shaped metal arm and a touch ball head device which are sequentially connected. The touch ball head device is made of stainless steel balls, and is suitable for flammable and explosive places such as potential fire and explosion dangerous environments and the like in chemical engineering, metallurgy, war industry, oil fields, petrifaction, oil stations, electric power, electronics, railways, mines, gas production, fireworks and crackers, computer rooms, high hotels, high offices and the like.
The human body static eliminator is divided into a vertical human body static eliminator and a cantilever human body static eliminator according to the installation position. The vertical human body electrostatic eliminator is directly installed on the ground, and a grounding pin on a grounding wire of the vertical human body electrostatic eliminator is directly inserted into the ground for 30cm deep or is connected with a ground pile. The vertical human body electrostatic eliminator is usually used in production places or large oil tanks because the occupied space is small and other running equipment and pedestrians cannot be obstructed on the ground. The existing cantilever-type human body electrostatic eliminator has a mounting assembly of a mounting plate and a bolt, and the mounting plate is fixed on a wall or a casing of equipment by the bolt, as shown in fig. 1. This kind of mounting structure not only needs many people to install when the installation: one worker erects the mounting plate and the other worker screws bolts through the mounting plate and onto the wall or the housing of the device with a tool. Meanwhile, when the bolt is installed, each bolt needs to be screwed down, the operation is long, and the later-period disassembly and maintenance are troublesome. And to outdoor cantilever type human body electrostatic eliminator, adopt the screw thread to fix, the easy acid rain that is corroded of anti-rust paint on the screw thread causes the screw tooth to rust, can't dismantle it smoothly in the later stage.
Disclosure of Invention
The invention aims to provide a cantilever type human body electrostatic releaser which solves the problems that the installation assembly of the existing cantilever type human body electrostatic releaser is inconvenient to install, the efficiency is low and screw teeth are easy to rust. Therefore, the cantilever type human body electrostatic releaser is designed, the structure of bolt connection is changed into the connection structure designed by the invention, the installation can be carried out by one worker, the installation step is simple, the installation speed is high, the later-stage disassembly and maintenance are convenient, and the situation of generating screw tooth corrosion is avoided.
The invention is realized by the following technical scheme:
the cantilever type human body electrostatic releaser comprises a human body electrostatic releaser body, wherein the human body electrostatic releaser body comprises a mounting assembly, an L-shaped metal arm and a touch ball head device which are sequentially connected, the mounting assembly comprises a positioning plate, a connecting disc and a limiting spring, a hollow stop block is arranged on one plate surface of the positioning plate, an inner cavity of the stop block is communicated with the outside through the bottom of the stop block, a supporting shaft is arranged in the inner cavity of the stop block, the axis of the supporting shaft is vertical to the positioning plate, and two ends of the supporting shaft are connected with the wall of the inner cavity;
the connecting disc is parallel to the positioning plate, one side of the connecting disc is connected with the tail end of the horizontal section of the metal arm, the axis of the horizontal section is perpendicular to the connecting disc, a through hole is formed in the connecting disc, and the aperture of the through hole is matched with the diameter of the supporting shaft; the edge at the connection pad is provided with the breach, the breach extends to the through-hole along one section involute to with the through-hole intercommunication, the centre of a circle of the base circle centre of involute and the centre of a circle of connection pad coincide, and this section involute corresponds central angle alpha does: alpha is more than or equal to 90 degrees and less than or equal to 360 degrees, one end of the involute is intersected with the axis of the through hole, the other end of the involute is intersected with the contour of the connecting disc, and the width dimension of the notch is matched with the diameter of the supporting shaft; a hanging lug is arranged on the side wall of the connecting disc and is positioned on one side of the involute which protrudes outwards;
the supporting shaft is clamped into the connecting disc through the notch and moves towards the through hole along the involute until moving into the through hole;
a yielding opening which is communicated with the inner cavity and prevents the metal arm from interfering with the stop block is arranged on one side of the stop block, which is far away from the positioning plate and is close to the bottom;
one end of the limiting spring is connected with the positioning plate, the other end of the limiting spring is hung on the hanging lug through the circular hook, the limiting spring is in a stretching state, and the hole wall of the through hole is in contact with the side wall of the supporting shaft.
When the cantilever type human body electrostatic releaser is installed, the positioning plate connected with the stop block is firstly installed on a wall or related equipment needing to install the cantilever type human body electrostatic releaser, then the metal arm is held by hand, the connecting disc is moved, so that the connecting disc is positioned below the stop block, the notch is opposite to the supporting shaft, and then the connecting disc is rotated along the extending direction of the notch until the supporting shaft moves into the through hole and is contacted with the wall of the through hole; and finally, hanging the limiting spring on the hanging lug through a circular hook, namely fixing the connecting disc in the inner cavity of the stop block.
The abdicating notch can adopt an inwards concave arc notch, a rectangular notch or a polygonal notch, and the abdicating notch is mainly used for rotating the connecting disc to enable the supporting shaft to interfere with the stop block from the process of the notch conducting hole.
The cantilever type human body electrostatic releaser designed by the invention can be installed by one worker, has simple installation steps and high installation speed, does not need to repeatedly screw bolts, is quick to disassemble, is convenient for later disassembly and maintenance, and has uniform antirust paint coating on the surface and difficult corrosion by acid rain because no sharp corners of threads exist.
Furthermore, a pressure spring and a contact plate which are sequentially connected are arranged at the top of the inner cavity of the stop block, two ends of the pressure spring are respectively connected with the top of the inner cavity and the contact plate, the contact plate is parallel to the horizontal plane, and when the supporting shaft is matched with the through hole, the pressure spring is in a compressed state.
When the cantilever type human body electrostatic releaser is installed, the connecting disc is rotated along the extending direction of the notch until the supporting shaft moves to the through hole, the side wall of the connecting disc is firstly contacted with the contact plate, the contact plate is pushed upwards along with the rotation of the connecting disc, the pressure applying spring is compressed, then the hanging lug is contacted with the contact plate along with the rotation of the connecting disc, then the side wall of the connecting disc is contacted with the contact plate, and when the supporting shaft is matched with the through hole, the pressure applying spring is in a compressed state, and the contact plate is pressed on the connecting disc.
The stability of the connection disc in the interior is further increased by the pressure spring and the contact plate.
Furthermore, an elastic rubber layer is arranged on the side wall of the supporting shaft, and when the limiting spring is in a stretching state, the part of the rubber layer, which is in contact with the wall of the through hole, is in a pressed state.
The rubber layer is arranged, so that a fit clearance caused by manufacturing errors is eliminated, and the fit tightness between the supporting shaft and the through hole is improved.
Further, when the supporting shaft is matched with the through hole, the vertical section of the metal arm is perpendicular to the horizontal plane, and the touch ball head device is located above the metal arm.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the cantilever type human body electrostatic releaser can be installed by one worker, has simple installation steps and high installation speed, does not need to repeatedly screw bolts, is quick to disassemble, is convenient for later-period disassembly and maintenance, and has uniform coating of antirust paint on the surface and difficult corrosion by acid rain because no sharp corners of threads exist;
2. according to the cantilever type human body electrostatic releaser, the rubber layer is arranged, so that a fit clearance caused by manufacturing errors is eliminated, and the fit tightness between the support shaft and the through hole is improved;
3. the cantilever type human body electrostatic releaser further enhances the stability of the connecting disc in the inner cavity through the pressure spring and the contact plate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic structural view of a stopper;
FIG. 5 is a front view of FIG. 4;
FIG. 6 is a schematic structural view of the inner cavity of the stopper;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a schematic diagram of a connecting disc structure;
FIG. 9 is a front view of the interface disc;
FIG. 10 is a schematic view of a step of mounting the lands.
Reference numbers and corresponding part names in the drawings:
1-a human body electrostatic releaser body, 2-a metal arm, 3-a touch ball head device, 4-a positioning plate, 5-a connecting disc, 6-a limiting spring, 7-a stop block, 8-a through hole, 9-a notch, 10-a hanging lug, 11-a round hook, 12-a supporting shaft, 13-a contact plate, 14-a pressing spring, 15-a position-giving opening and 16-an inner cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 2-10, the cantilever type human body electrostatic releaser of the invention comprises a human body electrostatic releaser body 1, wherein the human body electrostatic releaser body 1 comprises a mounting assembly, an L-shaped metal arm 2 and a touch ball head device 3 which are sequentially connected, the mounting assembly comprises a positioning plate 4, a connecting plate 5 and a limiting spring 6, a hollow stop 7 is arranged on one plate surface of the positioning plate 4, the inner cavity of the stop 7 is communicated with the outside through the bottom of the stop 7, a support shaft 12 is arranged in the inner cavity of the stop 7, the axis of the support shaft 12 is perpendicular to the positioning plate 4, and both ends of the support shaft are connected with the inner cavity wall;
the connecting disc 5 is parallel to the positioning plate 4, one side of the connecting disc 5 is connected with the tail end of the horizontal section of the metal arm 2, the axis of the horizontal section is perpendicular to the connecting disc 5, a through hole 8 is formed in the connecting disc 5, and the aperture of the through hole 8 is matched with the diameter of the supporting shaft 12; a notch 9 is arranged at the edge of the connecting disc 5, the notch 9 extends to the through hole 8 along a section of involute and is communicated with the through hole 8, the center of a base circle of the involute is superposed with the center of the connecting disc 5, the central angle alpha corresponding to the involute is 180 degrees, one end of the involute is intersected with the axis of the through hole 8, the other end of the involute is intersected with the circumference of the connecting disc 5, and the width size of the notch 9 is matched with the diameter of the supporting shaft 12; a hanging lug 10 is arranged on the side wall of the connecting disc 5, and the hanging lug 10 is positioned on one side of the involute which protrudes outwards;
the supporting shaft 12 is clamped into the connecting disc 5 through the notch 9 and moves towards the through hole 8 along the involute until moving into the through hole 8;
a yielding hole 15 which is communicated with the inner cavity and prevents the metal arm 2 from interfering with the stop block 7 is formed in one side, far away from the positioning plate 4 and close to the bottom, of the stop block 7;
one end of the limiting spring 6 is connected with the positioning plate 4, the other end of the limiting spring is hung on the hanging lug 10 through the round hook 11, the limiting spring 6 is in a stretching state, and the hole wall of the through hole 8 is in contact with the side wall of the supporting shaft 12.
When the cantilever type human body electrostatic releaser is installed by the invention, the schematic diagram of the steps is shown in fig. 10: firstly, mounting a positioning plate 4 connected with a stop block 7 on a wall or related equipment needing to be provided with the cantilever type human body electrostatic releaser, then holding a metal arm 2 by hand, moving a connecting disc 5 so that the connecting disc 5 is positioned below the stop block 7 and a gap 9 is opposite to a supporting shaft 12, and then rotating the connecting disc 5 along the extending direction of the gap 9 until the supporting shaft 12 moves into a through hole 8 and is contacted with the wall of the through hole 8; and finally, the limiting spring 6 is hung on the hanging lug 10 through the round hook 11, namely the connecting disc 5 is fixed in the inner cavity of the stop block 7.
The rotation direction of the connection disc 5 is indicated by an arc arrow in fig. 10, and the positional relationship between the respective components at the next step is indicated by a straight arrow.
The abdicating notch 15 is an inwards concave arc-shaped notch.
The aperture of the through hole 8 is consistent with the width of the notch 9, so that after the notch 9 is communicated with the through hole 8, only a hole wall with a semicircular cross section is left in the through hole 8, the hanging lug 10 is positioned on one side of the involute, and meanwhile, the limiting spring 6 is in a pulling state, so that the hole wall applies pressure to the supporting shaft 12, and the connecting disc 5 is prevented from rotating reversely relative to the rotation during installation to enable the supporting shaft 8 to be separated from the notch 9.
The cantilever type human body electrostatic releaser designed by the invention can be installed by a worker, has simple installation steps and high installation speed, does not need to repeatedly screw bolts, is quick to disassemble, is convenient for later disassembly and maintenance, and has uniform antirust paint coating on the surface and difficult corrosion by acid rain because no sharp corners of threads exist.
Example 2
The disassembly steps of the invention are as follows: when the cantilever type human body electrostatic releaser is disassembled, the limiting spring 6 is firstly stretched, the round hook 11 is taken down from the hanging lug 10, then the connecting disc 5 is reversely rotated, so that the supporting shaft 8 is separated from the notch 9, and then the connecting disc is downwards moved until the connecting disc is withdrawn from the inner cavity.
Example 3
As shown in figures 5-7, the cantilever type human body electrostatic releaser of the invention is characterized in that a pressing spring 14 and a contact plate 13 are arranged at the top of an inner cavity of a stop block 7 and are sequentially connected, two ends of the pressing spring 14 are respectively connected with the top of the inner cavity and the contact plate 13, the contact plate 13 is parallel to the horizontal plane, and when a supporting shaft 12 is matched with a through hole 8, the pressing spring 14 is in a compressed state.
When the cantilever type human body electrostatic discharger is installed, in the process of rotating the connecting disc 5 along the extending direction of the notch 9 until the supporting shaft 12 moves to the through hole 8, the side wall of the connecting disc 5 is firstly contacted with the contact plate 13, the contact plate 13 is pushed upwards along with the rotation of the connecting disc, the pressing spring 14 is compressed, then the hanging lug 10 is contacted with the contact plate 13 along with the rotation of the connecting disc 5, then the side wall of the connecting disc 5 is contacted with the contact plate 13, and the pressing spring 14 is in a compressed state until the supporting shaft 12 is matched with the through hole 8, and the contact plate is pressed on the connecting disc 5.
The stability of the connecting disk 5 in the interior is further increased by the pressure spring 14 and the contact plate 13.
Example 4
The cantilever type human body electrostatic releaser is characterized in that an elastic rubber layer is arranged on the side wall of a supporting shaft 12, and when a limiting spring 6 is in a stretching state, the part of the rubber layer, which is in contact with the hole wall of a through hole 8, is in a pressed state.
The rubber layer eliminates the fit clearance caused by manufacturing errors, and improves the fit tightness between the support shaft 12 and the through hole 8.
Example 5
The cantilever type human body electrostatic releaser of the invention, as shown in fig. 2-3, when the supporting shaft 12 is matched with the through hole 8, the vertical section of the metal arm 2 is vertical to the horizontal plane, and the touch ball head device 3 is positioned above the metal arm 2.
Example 6
The limiting spring 6 is a circular hook type cylindrical spiral compression spring. The pressure spring 14 is a cylindrical helical compression spring.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. Human electrostatic discharge ware of cantilever type, including human electrostatic discharge ware body (1), human electrostatic discharge ware body (1) is including the installation component, L shape metal arm (2) and the touch bulb device (3) that connect gradually, its characterized in that: the mounting assembly comprises a positioning plate (4), a connecting disc (5) and a limiting spring (6), and a hollow stop block (7) is arranged on one surface of the positioning plate (4); the inner cavity of the stop block (7) is communicated with the outside through the bottom of the stop block (7), a support shaft (12) is arranged in the inner cavity of the stop block (7), the axis of the support shaft (12) is vertical to the positioning plate (4), and two ends of the support shaft are connected with the wall of the inner cavity; the connecting disc (5) is parallel to the positioning plate (4), one side of the connecting disc (5) is connected with the tail end of the horizontal section of the metal arm (2), the axis of the horizontal section is perpendicular to the connecting disc (5), a through hole (8) is formed in the connecting disc (5), and the aperture of the through hole (8) is matched with the diameter of the supporting shaft (12); be provided with breach (9) in the edge of connection pad (5), breach (9) extend to through-hole (8) along one section involute to communicate with through-hole (8), the centre of a circle of involute base circle centre of a circle and the centre of a circle coincidence of connection pad (5), and this section involute corresponds central angle alpha be: alpha is more than or equal to 90 degrees and less than or equal to 360 degrees, one end of the involute is intersected with the axis of the through hole (8), the other end of the involute is intersected with the contour of the connecting disc (5), and the width dimension of the notch (9) is matched with the diameter of the supporting shaft (12); a hanging lug (10) is arranged on the side wall of the connecting disc (5), and the hanging lug (10) is positioned on one side of the involute which protrudes outwards; the supporting shaft (12) is clamped into the connecting disc (5) through the notch (9) and moves towards the through hole (8) along the involute until moving into the through hole (8); a position yielding opening (15) which is communicated with the inner cavity and prevents the metal arm (2) from interfering with the stop block (7) is arranged on one side of the stop block (7) far away from the positioning plate (4) and close to the bottom; one end of the limiting spring (6) is connected with the positioning plate (4), the other end of the limiting spring is hung on the hanging lug (10) through the round hook (11), the limiting spring (6) is in a stretching state, and the hole wall of the through hole (8) is in contact with the side wall of the supporting shaft (12).
2. The cantilever-type human body electrostatic discharger according to claim 1, wherein: the top of the inner cavity of the stop block (7) is provided with a pressure spring (14) and a contact plate (13) which are sequentially connected, two ends of the pressure spring (14) are respectively connected with the top of the inner cavity and the contact plate (13), the contact plate (13) is parallel to the horizontal plane, and when the supporting shaft (12) is matched with the through hole (8), the pressure spring (14) is in a compressed state.
3. The cantilever-type human body electrostatic discharger according to claim 1, wherein: and a layer of elastic rubber layer is arranged on the side wall of the supporting shaft (12), and when the limiting spring (6) is in a stretching state, the part of the rubber layer, which is in contact with the wall of the through hole (8), is in a pressed state.
4. The cantilever-type human body electrostatic discharger according to any one of claims 1 to 3, wherein: α is 180 °.
5. The cantilever-type human body electrostatic discharger according to any one of claims 1 to 3, wherein: when the supporting shaft (12) is matched with the through hole (8), the vertical section of the metal arm (2) is perpendicular to the horizontal plane, and the touch ball head device (3) is located above the metal arm (2).
6. The cantilever-type human body electrostatic discharger according to any one of claims 1 to 3, wherein: the limiting spring (6) is a circular hook type cylindrical spiral compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651611.7A CN109432591B (en) | 2018-12-31 | 2018-12-31 | Cantilever type human body electrostatic releaser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651611.7A CN109432591B (en) | 2018-12-31 | 2018-12-31 | Cantilever type human body electrostatic releaser |
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| CN109432591A CN109432591A (en) | 2019-03-08 |
| CN109432591B true CN109432591B (en) | 2022-08-26 |
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| CN111787674B (en) * | 2020-06-11 | 2022-11-25 | 江西省标安安全设备有限公司 | Hidden electrostatic discharge ware of adaptation co-altitude not |
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