Terminal structure, air purifier

Abstract

The present invention provides a terminal structure and an air purifier. A terminal structure includes: a base provided with a first through hole; a conductive core having a mounting portion movably inserted into the first through hole and a conductive portion provided on the mounting portion, wherein a conducting wire is provided at one end of the mounting portion away from the conductive portion, the conductive portion has a conductive surface, and the conductive surface is connected to a component to be conducted; and a first elastic member provided between the base and the conductive portion to drive the conductive portion to abut against the component to be conducted. The terminal structure in the present invention has good connection stability.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and particularly to a terminal structure and an air purifier. Background Art

[0002] With the improvement of people's living standards, air purifiers have gradually become essential household appliances. Most of the existing air purifiers use mechanical filter screens for removing particulate matter in the air. The main ways to capture particulate matter are direct interception, inertial collision, etc. To improve the purification efficiency, it is generally necessary to increase the density of the filter screen. However, a filter screen with high density has low structural strength and short service life, and needs to be replaced regularly.

[0003] To avoid replacing the filter screen, electrostatic air purifiers have been invented in the prior art. The principle is electrostatic dust collection. The core purification structure generally includes a generating electrode and a collecting electrode. The generating electrode actively releases high-voltage electricity into the air to ionize the air and make the dust charged. The collecting electrode consists of a group of metal plates with opposite charges arranged in parallel to attract and adhere to the charged dust, so as to achieve the purpose of purifying the air.

[0004] However, the above purification structure needs to be externally powered for operation. In the prior art, the connection between the purification structure and the external power supply mostly adopts the form of inserting and conducting with a conductive pin and a conductive sheet. In this kind of conducting method, the contact between the conductive pin and the conductive sheet is generally line contact, with a small contact area. Moreover, the conductive sheet is mostly a spring sheet structure, which clamps the conductive pin by its own elasticity. When subjected to problems such as vibration, the conductive sheet vibrates, resulting in unstable contact and easy damage to the purification structure. Summary of the Invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the defect of unstable connection between the electric purification structure in the air purifier and the outside in the prior art, so as to provide a terminal structure and an air purifier.

[0006] To solve the above problems, the present invention provides a terminal structure, including: a base, on which a first through hole is provided; a conductive core, which has a mounting portion movably passing through the first through hole and a conductive portion provided on the mounting portion. A conducting wire is provided at one end of the mounting portion away from the conductive portion. The conductive portion has a conductive surface, and the conductive surface is connected to a component to be conducted; and a first elastic member, provided between the base and the conductive portion to drive the conductive portion to abut against the component to be conducted.

[0007] Furthermore, a groove is formed on the base, and a sealing sleeve is embedded in the groove, and the conductive core is arranged in the sealing sleeve.

[0008] Further, the sealing sleeve is configured as a hollow cylinder, and a support surface is formed on its axial cross-section, and the first through hole is formed on the support surface.

[0009] Further, a second through hole is provided on the bottom of the groove corresponding to the first through hole, and the conductive wire enters the first through hole through the second through hole.

[0010] Further, a wire passing cylinder is convexly formed around the edge of the first through hole, and a buckle is provided on the peripheral wall of the wire passing cylinder, and the buckle is clamped in the second through hole.

[0011] The terminal structure in the present invention further includes a second elastic member disposed between the buckle and the support surface.

[0012] Further, the second elastic member is configured as a compression spring, and the compression spring is sleeved on the peripheral wall of the wire cylinder.

[0013] Further, a screw hole is provided at the end of the mounting portion, and one end of the conductive wire is screwed into the screw hole.

[0014] Further, a limiting member is further provided on the peripheral surface of the mounting portion near the screw hole.

[0015] The present invention also provides an air purifier including any one of the above-mentioned terminal structures; and an electric purification component, and a conductive sheet is provided on the electric purification component corresponding to the conductive portion.

[0016] Further, corresponding to the circumferential edge of the sealing sleeve, a sealing groove is provided on the electric purification component, and at a preset installation position, the second elastic member drives the circumferential edge of the sealing sleeve to abut against the sealing groove.

[0017] The technical solution of the present invention has the following advantages:

[0018] 1. The terminal structure in the present invention includes: a base on which a first through hole is provided; a conductive core having a mounting portion movably passing through the first through hole and a conductive portion provided on the mounting portion, wherein a conductive wire is provided at one end of the mounting portion away from the conductive portion, the conductive portion has a conductive surface, and the conductive surface is connected to a component to be conducted; and a first elastic member provided between the base and the conductive portion to drive the conductive portion to abut against the component to be conducted.

[0019] In the terminal structure of the present invention, the elastic force of the first elastic member is used to abut the conductive surface of the conductive core against the member to be conducted. When subjected to vibration, under the action of the elastic force, it can ensure that the conductive surface of the conductive core is always in contact with the member to be conducted, ensuring the stability of power conduction. Moreover, in the present invention, the conductive core adopts a conductive surface contact method, effectively increasing the conductive contact area, and also ensuring the stability of power conduction.

[0020] 2. In the terminal structure of the present invention, a groove is formed on the base, a sealing sleeve is embedded in the groove, and the conductive core is arranged inside the sealing sleeve. The designers found that the terminal connections of existing electric air purifiers are extremely prone to aging and failure. After research, the strong electrostatic field generated during the operation of the electric purification component will cause the surrounding materials to undergo electrical aging. The specific principle is that organic polymers are injected with electrons in a high electric field environment, and the electrons form hot electrons in the polymer due to energy transfer. The hot electrons will cause the polymer to degrade and generate free radicals, resulting in an increase in the activity of the polymer and degradation, thereby causing the failure of the terminal connection. In the present invention, the conductive core is arranged inside the sealing sleeve to isolate it from the outside air, thereby reducing the degree of reaction between the increase in polymer activity and the outside air and preventing aging.

[0021] 3. In the terminal structure of the present invention, a threaded hole is provided at the end of the installation portion, and one end of the wire is screwed into the threaded hole. The threaded connection ensures the stability of the connection between the conductive core and the wire.

[0022] 4. At the circumferential edge corresponding to the sealing sleeve in the air purifier of the present invention, a sealing groove is provided on the electric purification component. At a preset installation position, the second elastic member drives the circumferential edge of the sealing sleeve to abut in the sealing groove, further strengthening the sealing performance inside the sealing sleeve when the above-mentioned terminal structure is installed on the electric purification component, and effectively preventing the aging problem of the conductive core. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 It is a cross-sectional view of the terminal structure in Embodiment 1 provided by the present invention;

[0025] Figure 2 It is a structural diagram of the terminal structure in Embodiment 1 provided by the present invention;

[0026] Figure 3Schematic diagram of the structure of the air purifier in Embodiment 2 provided by the present invention;

[0027] Figure 4 Exploded view of the structure of the air purifier in Embodiment 2 provided by the present invention.

[0028] Explanation of reference numerals:

[0029] 1 - Base; 11 - First through hole; 12 - Groove; 13 - Second through hole;

[0030] 2 - Conductive core; 21 - Mounting portion; 22 - Conductive portion; 23 - Screw hole;

[0031] 3 - First elastic member;

[0032] 4 - Sealing sleeve; 41 - Support surface; 42 - Wire passing cylinder; 43 - Snap;

[0033] 5 - Conductive wire;

[0034] 6 - Second elastic member;

[0035] 7 - Limiting member;

[0036] 8 - Electric purification component; 81 - Conductive sheet; 82 - Sealing groove. Detailed implementation manners

[0037] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0038] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0039] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0041] Embodiment 1

[0042] As Figures 1 to 2 shown, a terminal structure provided in this embodiment includes a base 1, on which a first through hole 11 is provided; a conductive core 2, which has an installation portion 21 movably inserted into the first through hole 11 and a conductive portion 22 provided on the installation portion 21. A conductive wire 5 is provided at one end of the installation portion 21 away from the conductive portion 22, and a conductive surface is provided on the conductive portion 22, and the conductive surface is connected to the component to be conducted; and a first elastic member 3 is provided between the base 1 and the conductive portion 22 to drive the conductive portion 22 to abut against the component to be conducted.

[0043] To more clearly illustrate the use of the terminal structure in this embodiment, the terminal structure in this embodiment is used on an air purifier, specifically at the connection terminal between the electric purification component of the air purifier and an external power supply. The terminal structure in this embodiment replaces the traditional terminal structure to realize the connection between the electric purification component and the external power supply.

[0044] Of course, the terminal structure in this embodiment can also be used at the terminal connection points of some other electrical equipment.

[0045] It should also be noted that the base 1 in this embodiment is the housing structure of the air purifier, and the conductive wire 5 is connected to an external power supply through the base 1 to supply power to the electric purification component.

[0046] In addition, the structure of the conductive core 2 in this embodiment is as Figure 1 shown, which is a common T-shaped pin structure. The T-shaped head is designed as the conductive portion 22, and the tail is designed as the installation portion 21.

[0047] It should also be noted that the first elastic member 3 in this embodiment is a compression spring structure, which is sleeved on the installation portion 21, abuts against the conductive portion 22 at one end, and abuts against the hole edge opposite to the first through hole 11 at the other end.

[0048] In the terminal structure of this embodiment, the elastic force of the first elastic member 3 is used to abut the conductive surface of the conductive core 2 against the component to be conducted. When subjected to vibration, under the action of the elastic force, it can ensure that the conductive surface of the conductive core 2 is always in contact with the component to be conducted, and the stability of power conduction can be ensured. Moreover, in this embodiment, the conductive core 2 adopts a conductive surface contact method, effectively increasing the conductive contact area, and can also ensure the stability of power conduction.

[0049] In addition, the designers found that the terminal connections of existing electric air purifiers are extremely prone to aging and failure. After research, the strong electrostatic field generated during the operation of the electric purification component will cause the surrounding materials to undergo electrical aging. The specific principle is that organic polymers are injected with electrons in a high electric field environment, and the electrons form hot electrons in the polymer due to energy transfer. The hot electrons will cause the polymer to degrade to generate free radicals, resulting in an increase in the activity of the polymer and degradation, thereby causing the failure of the terminal connection. In this embodiment, a groove 12 is formed on the base 1, and a sealing sleeve 4 is embedded in the groove 12. The conductive core 2 is installed in the sealing sleeve 4, isolating the conductive core 2 from the outside air, weakening the degree of reaction between the increased activity of the polymer and the outside air, and preventing aging.

[0050] Due to the setting of the sealing sleeve 4, the conductive core 2 is installed in the sealing sleeve 4, and its corresponding installation method is as follows:

[0051] As Figure 1 shown in, the sealing sleeve 4 in this embodiment is configured as a hollow cylinder, and a support surface 41 is formed on its axial cross-section. The support surface 41 divides the above-mentioned sealing sleeve into two cavities. The first through hole 11 is formed on the support surface 41 to realize the communication between the two cavities, and the conductive surface of the conductive core 2 is located in the cavity close to the electric purification component. The outside air is blocked by the support surface, reducing the contact between the conductive surface and the outside air, and effectively preventing the aging problem at the conductive surface.

[0052] In order to realize the introduction of the external conductive wire 5, a second through hole 13 is processed on the bottom of the groove 12 corresponding to the first through hole 11. It should be noted that both the first through hole 11 and the second through hole 13 are circular holes in this embodiment, and their diameters are larger than the wire diameter of the conductive wire 5 to facilitate the conductive wire 5 to enter the first through hole 11 through the second through hole 13.

[0053] In order to install the sealing sleeve 4 in the groove 12, a wire passing cylinder 42 is convexly formed around the edge of the first through hole 11 in this embodiment. A buckle 43 is formed on the peripheral wall of the wire passing cylinder 42, and the buckle 43 is clamped in the second through hole 13, with simple installation and easy operation.

[0054] Further, in this embodiment, a second elastic member 6 is further included and installed between the buckle 43 and the supporting surface 41. The second elastic member 6 in this embodiment is configured as a compression spring, and the compression spring is sleeved on the peripheral wall of the bobbin 42. The second elastic member 6 is in a compressed state during installation, and its elastic force acts on the supporting surface 41, driving the engaging portion of the buckle 43 to abut against the hole edge of the second through hole 13. The compression spring structure is simple and has low cost.

[0055] During the installation process of the sealing sleeve 4, the above-mentioned wire passing cylinder 42 moves in the second through hole 13 under the influence of the elastic force and the external acting force. Restricted by the wire passing cylinder 42, the stability of the installation of the sealing sleeve 4 can be ensured.

[0056] In this embodiment, in order to ensure the stability of the installation of the conductive wire 5, a screw hole 23 is machined at the end of the installation portion 21, and one end of the conductive wire 5 is screwed into the screw hole 23.

[0057] In order to prevent the conductive core 2 from coming out of the first through hole 11, a limiting member 7 is further installed on the peripheral surface of the installation portion 21 near the screw hole 23, and the limiting member 7 is a common snap ring structure.

[0058] Embodiment 2

[0059] As Figure 3 and Figure 4 shown in

[0060] In this embodiment, an air purifier is provided, specifically an electric air purifier, which includes the terminal structure described in the above Embodiment 1 and an electric purification component 8. Corresponding to the conductive portion 22, a conductive sheet 81 is installed on the electric purification component 8. The conductive sheet 81 in this embodiment is an elastic metal copper sheet structure, which abuts against the conductive surface.

[0061] Obviously, the above embodiments are only examples clearly described and not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present invention.

Claims

1. A terminal structure, characterized in that, Comprising: A base (1) provided with a first through hole (11) thereon; A conductive core (2) having a mounting portion (21) movably inserted into the first through hole (11) and a conductive portion (22) provided on the mounting portion (21), wherein a conductive wire (5) is provided at one end of the mounting portion (21) away from the conductive portion (22), the conductive portion (22) has a conductive surface, and the conductive surface is connected to a component to be conducted; And a first elastic member (3) provided between the base (1) and the conductive portion (22) to drive the conductive portion (22) to abut against the component to be conducted; a groove (12) is formed on the base (1), a sealing sleeve (4) is embedded in the groove (12), and the conductive core (2) is provided in the sealing sleeve (4); the sealing sleeve (4) is configured as a hollow cylinder, and a support surface (41) is formed on its axial cross-section, and the first through hole (11) is formed on the support surface (41); a second through hole (13) is provided on the bottom of the groove (12) corresponding to the first through hole (11), and the conductive wire (5) enters the first through hole (11) through the second through hole (13); a wire passing cylinder (42) is formed by protruding around the edge of the first through hole (11), and a buckle (43) is provided on the peripheral wall of the wire passing cylinder (42), and the buckle (43) is clamped in the second through hole (13); the terminal structure further includes a second elastic member (6) provided between the buckle (43) and the support surface (41).

2. The terminal structure according to claim 1, characterized in that, The second elastic member (6) is configured as a compression spring, and the compression spring is sleeved on the peripheral wall of the wire passing cylinder (42).

3. The terminal structure according to claim 1 or 2, characterized in that, A screw hole (23) is provided at the end of the mounting portion (21), and one end of the conductive wire (5) is screwed into the screw hole (23).

4. The terminal structure according to claim 3, characterized in that, A limiting member (7) is further provided on the peripheral surface of the mounting portion (21) near the screw hole (23).

5. An air purifier, characterized in that, Comprising: The terminal structure according to any one of claims 1-4; And an electric purification component (8), a conductive sheet (81) is provided on the electric purification component (8) corresponding to the conductive portion (22).

6. The terminal structure according to claim 5, characterized in that, Corresponding to the circumferential edge of the sealing sleeve (4), a sealing groove (82) is provided on the electric purification component (8), and at a preset installation position, the second elastic member (6) drives the circumferential edge of the sealing sleeve (4) to abut against the sealing groove (82).

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