Static electricity leading-out structure for handheld dust collector
By incorporating multiple conductive lines and a metal anti-static cap into the handheld vacuum cleaner, static electricity within the casing is discharged to the ground, solving the problem of incomplete static electricity discharge and ensuring user safety.
Patent Information
- Application Number
- CN202520071406.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-13
AI Technical Summary
The static discharge structure of existing handheld vacuum cleaners cannot completely discharge static charge, which may cause users to suffer from static electricity accumulation and injury during use.
An electrostatic discharge structure comprising a housing, a first chamber, and a second chamber is designed. The electrostatic discharge from the housing to the PCB board is conducted through conductive lines, and the electrostatic discharge is discharged to the ground by the user using horizontal and vertical metal electrostatic caps, thus preventing the accumulation of electrostatic discharge on the human body.
It achieves complete discharge of static charge, avoiding harm to users from static electricity accumulation during use.
Smart Images

Figure CN223695759U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dust collector technical field especially relates to a static electricity lead -out structure for handheld dust collector. BACKGROUND
[0002] Dust collector can be divided into vertical, horizontal and portable according to structure, and the working principle of dust collector is that air negative pressure is generated in the sealed shell by using the motor to drive the blade to rotate at high speed, and dust is sucked.
[0003] And prior art is much like the static electricity lead -out structure for handheld dust collector and handheld dust collector of the public number CN213488595U, this technology includes handheld part, the power button for controlling the opening and closing of handheld dust collector is set up on the handheld part, at least part of the metal spring is located in the handheld part, the metal static electricity collection spare is installed on the PCB board inside the handheld dust collector, the metal static electricity collection spare is electrically connected with the PCB board, this technology is connected with the PCB board through the metal static electricity collection spare, and the static electricity accumulated on the dust collector is conducted to the metal static electricity cap through the PCB board and the metal static electricity collection spare and the metal spring, the static electricity is directly contacted with the metal static electricity cap through the hand of the user, and the static electricity is discharged to the ground in time through the user, but the following problems exist in use:
[0004] The above -mentioned technology discharges static electricity to the user's body through the static electricity cap, and then makes static electricity discharge to the ground, but the above -mentioned technology only collects static electricity through the static electricity collection spare in use, and the collection is limited, and all static electricity in the handheld dust collector cannot be discharged. INVENTION CONTENTS
[0005] The utility model aims at solving the problem that static electricity cannot be completely discharged in the prior art, and provides a static electricity lead -out structure for handheld dust collector.
[0006] In order to achieve the above -mentioned purpose, the utility model adopts the following technical scheme:
[0007] A static electricity lead -out structure for handheld dust collector, including shell, first chamber and second chamber, the shell is cavity structure, two symmetrical setting partition plates are fixedly installed in the shell, the first chamber is arranged between two partition plates, the second chamber is arranged in the gap between the outer wall of partition plate and the inner wall of shell, the handle is fixedly installed at the bottom of shell, the handle is internally provided with the placing groove that is connected with the first chamber in the shell, and the static electricity lead -out mechanism is arranged in the placing groove.
[0008] Preferably, the static electricity leading-out mechanism comprises a PCB plate, two symmetrically arranged metal springs are fixedly installed at the bottom of the PCB plate, a metal rod is fixedly installed at the bottom of the metal springs, a transversely arranged transverse metal static electricity cap is fixedly installed at the bottom of the metal rod, and a longitudinal metal static electricity cap is fixedly installed at the center position of the transverse metal static electricity cap.
[0009] Preferably, the upper end of the metal spring is fixedly connected with the bottom of the PCB plate, the lower end of the metal spring is fixedly connected with the upper end of the metal rod, and the longitudinal metal static electricity cap and the transverse metal static electricity cap are perpendicular to each other.
[0010] Preferably, the transverse side wall of the handle is provided with two symmetrically arranged first through holes, the transverse metal static electricity cap is arranged in the first through holes at both ends, the vertical side wall of the handle is provided with two symmetrically arranged second through holes, and the longitudinal metal static electricity cap is arranged in the second through holes at both ends.
[0011] Preferably, a plurality of conductive static electricity conductive wires are arranged in the second cavity, one end of the conductive wires is fixedly connected with the inner wall of the shell, and the other end of the conductive wires is fixedly connected with the outer wall of the partition plate.
[0012] Preferably, the PCB plate is fixedly installed in the inner wall of the two partition plates, the bottom of the shell is fixedly installed with a support column for supporting the shell, the bottom of the support column and the handle is fixedly installed with a base for supporting the support column and the handle, and the bottom of the base is fixedly installed with a battery pack.
[0013] Compared with the prior art, the static electricity leading-out structure for the handheld dust collector has the following advantages:
[0014] The static electricity leading-out structure for the handheld dust collector can lead out the static electricity in the shell to the PCB plate through the plurality of conductive wires, so that all the static charges in the shell are led out, the user is prevented from being harmed by the static electricity accumulated for a long time when using, then the user is prevented from being harmed by the static electricity accumulated for a long time by the fact that the longitudinal metal static electricity cap and the transverse metal static electricity cap are in contact with the user at both ends, and the user is used as a conductor to lead out the static electricity to the ground. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The structure of the static electricity leading-out structure for the handheld dust collector is shown in the structure diagram of the utility model;
[0016] Figure 2 The structure of the static electricity leading-out structure for the handheld dust collector is shown in the structure diagram of the utility model;
[0017] Figure 3 The structure of the static electricity leading-out structure for the handheld dust collector is shown in the structure diagram of the utility model;
[0018] Figure 4 A schematic diagram of a PCB and a metal spring of an electrostatic discharge structure for a handheld dust collector is provided in the utility model;
[0019] Figure 5 A schematic diagram of a metal rod and a transverse metal electrostatic cap of an electrostatic discharge structure for a handheld dust collector is provided in the utility model.
[0020] In the figure: 1, battery pack; 2, base; 3, support; 4, handle; 5, shell; 6, first chamber; 7, partition plate; 8, second chamber; 9, conducting wire; 10, PCB; 11, metal spring; 12, metal rod; 13, transverse metal electrostatic cap; 14, longitudinal metal electrostatic cap; 15, placement groove. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0022] Referring to Figures 1-5 An electrostatic discharge structure for a handheld dust collector comprises a shell 5, a first chamber 6 and a second chamber 8. The shell 5 is a hollow structure, two symmetrical partition plates 7 are fixedly installed in the shell 5, the first chamber 6 is arranged between the two partition plates 7, the second chamber 8 is arranged in the gap between the outer wall of the partition plate 7 and the inner wall of the shell 5, a handle 4 is fixedly installed at the bottom of the shell 5, a placement groove 15 is formed in the handle 4 and communicates with the first chamber 6 in the shell 5, an electrostatic discharge mechanism is arranged in the placement groove 15, the first chamber 6 is in a rectangular structure, the second chamber 8 is in a semicircular structure, and the static electricity in the shell 5 is discharged onto the two partition plates 7 through the multiple conducting wires 9 arranged in the second chamber 8.
[0023] The electrostatic discharge mechanism comprises a PCB 10, two symmetrical metal springs 11 are fixedly installed at the bottom of the PCB 10, a metal rod 12 is fixedly installed at the bottom of the metal spring 11, a transverse metal electrostatic cap 13 is fixedly installed at the bottom of the metal rod 12, and a longitudinal metal electrostatic cap 14 is fixedly installed at the center of the transverse metal electrostatic cap 13.
[0024] The upper end of the metal spring 11 is fixedly connected with the bottom of the PCB 10, the lower end of the metal spring 11 is fixedly connected with the upper end of the metal rod 12, and the longitudinal metal electrostatic cap 14 and the transverse metal electrostatic cap 13 are perpendicular to each other.
[0025] The first through holes are symmetrically arranged in the lateral side walls of the handle 4, and the transverse metal static caps 13 are arranged in the first through holes at two ends.
[0026] The second chamber 8 is provided with a plurality of conductive static conductive wires 9, one end of the conductive wire 9 is fixedly connected with the inner wall of the shell 5, and the other end of the conductive wire 9 is fixedly connected with the outer wall of the partition plate 7.
[0027] The PCB board 10 is fixedly installed in the inner walls of the two partition plates 7, the shell 5 is fixedly installed with the support column 3 for supporting the shell 5 at the bottom, the support column 3 and the handle 4 are fixedly installed with the base 2 for supporting the support column 3 and the handle 4 at the bottom, and the base 2 is fixedly installed with the battery pack 1 at the bottom.
[0028] The function principle of the utility model can be described by the following operation mode:
[0029] The user holds the handle 4, contacts the two ends of the transverse metal static cap 13 and the longitudinal metal static cap 14, and at this time, the user is equivalent to a conductor, the conductive wire 9 transmits the collected static electricity to the PCB board 10 through the two partition plates 7, then the PCB board 10 flows the static electricity from the two metal springs 11 to the metal rod 12, and the static electricity on the metal rod 12 flows to the human body from the two ends of the transverse metal static cap 13 and the longitudinal metal static cap 14, and then the static electricity is conducted to the ground through the user as a conductor.
[0030] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.
Claims
1. An electrostatic discharge structure for a hand vacuum cleaner comprising a housing (5), a first chamber (6) and a second chamber (8), characterized in that, The shell (5) is a cavity structure, two symmetrical partition plates (7) are fixedly installed in the shell (5), the first chamber (6) is arranged between the two partition plates (7), the second chamber (8) is arranged in the gap between the outer wall of the partition plate (7) and the inner wall of the shell (5), a handle (4) is fixedly installed at the bottom of the shell (5), a placing groove (15) in communication with the first chamber (6) in the shell (5) is formed in the handle (4), and an electrostatic leading-out mechanism is arranged in the placing groove (15).
2. An electrostatic discharge structure for a hand vacuum cleaner as defined in claim 1, wherein, The electrostatic leading-out mechanism comprises a PCB plate (10), two symmetrical metal springs (11) are fixedly installed at the bottom of the PCB plate (10), a metal rod (12) is fixedly installed at the bottom of the metal spring (11), a transverse metal electrostatic cap (13) is fixedly installed at the bottom of the metal rod (12), and a longitudinal metal electrostatic cap (14) is fixedly installed at the center of the transverse metal electrostatic cap (13).
3. An electrostatic discharge structure for a hand vacuum cleaner as defined in claim 2, wherein, The upper end of the metal spring (11) is fixedly connected with the bottom of the PCB plate (10), the lower end of the metal spring (11) is fixedly connected with the upper end of the metal rod (12), and the longitudinal metal electrostatic cap (14) and the transverse metal electrostatic cap (13) are perpendicular to each other.
4. An electrostatic discharge structure for a hand vacuum cleaner according to claim 3, wherein, First through holes are formed in the lateral wall of the handle (4), the transverse metal electrostatic cap (13) is arranged in the first through hole, second through holes are formed in the vertical side wall of the handle (4), and the longitudinal metal electrostatic cap (14) is arranged in the second through hole.
5. An electrostatic discharge structure for a hand vacuum cleaner as defined in claim 1, wherein, A plurality of conductive wires (9) for conducting electrostatic are arranged in the second chamber (8), one end of the conductive wire (9) is fixedly connected with the inner wall of the shell (5), and the other end of the conductive wire (9) is fixedly connected with the outer wall of the partition plate (7).
6. An electrostatic discharge structure for a hand vacuum cleaner as defined in claim 4, wherein, The PCB plate (10) is fixedly installed on the inner wall of the two partition plates (7), a support column (3) for supporting the shell (5) is fixedly installed at the bottom of the shell (5), a base (2) for supporting the support column (3) and the handle (4) is fixedly installed at the bottom of the support column (3) and the handle (4), and a battery pack (1) is fixedly installed at the bottom of the base (2).
Citation Information
Patent Citations
Static electricity leading-out structure for handheld dust collector and handheld dust collector
CN213488595U