CN216251361U

CN216251361U - Wiring harness connecting device for filtering and noise reduction of low-voltage electrical appliance

Info

Publication number: CN216251361U
Application number: CN202121755205.2U
Authority: CN
Inventors: 应其龙; 应仁表
Original assignee: Ningbo Renhe Electronics Co ltd
Current assignee: Ningbo Renhe Electronics Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-04-08
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to the technical field of wire harness connection devices, in particular to a wire harness connection device for filtering and noise reduction of a low-voltage electrical appliance, which comprises a device main body, wherein the device main body comprises a first protection tube and a second protection tube, a first connector lug is arranged on one side of the first protection tube, a second connector lug is arranged on one side of the first connector lug, which is far away from the first protection tube, a second protection tube is arranged on one side of the second connector lug, which is far away from the first connector lug, a protection structure for protecting the wire harness is arranged at one end, which is far away from the second wire harness, inside the second protection tube, a clamping structure for facilitating installation of the connection device is arranged between the first connector lug and the second connector lug, the connection device can be conveniently installed by arranging the clamping structure, meanwhile, the connection effect of the connection device is effectively ensured, and further the phenomenon that the loosening of the connection part of the wire harness generates to influence on the normal use of the electrical appliance is avoided.

Description

Wiring harness connecting device for filtering and noise reduction of low-voltage electrical appliance

Technical Field

The utility model relates to the technical field of wire harness connection devices, in particular to a wire harness connection device for filtering and noise reduction of a low-voltage electrical appliance.

Background

The low-voltage electrical apparatus is an element or equipment which can be manually or automatically switched on and off according to external signals and requirements so as to realize switching, control, protection, detection, transformation and adjustment of circuits or non-electric objects, generally speaking, the low-voltage electrical apparatus can be divided into two categories of power distribution electrical apparatus and control electrical apparatus, and is a basic component of a complete set of electrical equipment, a filtering noise reduction wiring harness is required to be used for filtering noise reduction in the use process of the low-voltage electrical apparatus, and a connecting device is commonly used for connecting the wiring harness at present.

However, the wiring harness connecting device for filtering and noise reduction of the low-voltage electric appliance in the prior art still has a lot of defects, the connecting device in the prior art has poor protection effect on the wiring harness in the use process, and the insulating sheath on the outer side of the wiring harness is easy to damage due to long use time; and the connecting device among the prior art is usually installed inconveniently, and the connection effect is not good, and the pencil junction takes place to become flexible easily, and then can influence the normal use of electrical apparatus.

Therefore, it is necessary to design a harness connection device for filtering and noise reduction of low voltage electrical apparatus to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wiring harness connecting device for filtering and noise reduction of a low-voltage electrical appliance, which aims to solve the problems in the background technology.

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

the utility model provides a low-voltage apparatus filtering falls makes an uproar and uses pencil connecting device, the device comprises a device main body, the device main body includes first protective tube and second protection tube, first protective tube one side is equipped with first connector lug, the inside one side that is close to first protective tube of first connector lug is equipped with first terminal joint, one side that first terminal joint is close to first protective tube is equipped with first pencil, one side that first protective tube was kept away from to first connector lug is equipped with the second connector lug, one side that first connector lug was kept away from to the second connector lug is equipped with the second protection tube, the inside one end of keeping away from the second pencil of second protection tube is equipped with the protective structure who is used for protecting the pencil, the inside one side that is close to the second protection tube of second connector lug is equipped with the second terminal joint, one side that second terminal joint is close to the second protection tube is equipped with the second pencil, be equipped with the joint structure that makes things convenient for connecting device to install between first connector lug and the second connector lug.

In a preferred embodiment of the present invention, the diameter of the second terminal is matched with the diameter of the first terminal, the diameter of the second terminal is smaller than the diameter of the first terminal, and the first terminal and the second terminal are matched with each other.

As a preferable scheme of the utility model, the protection structure comprises a circular mounting block, one side of the mounting block, which is far away from the second protection tube, is provided with a slot, a first spring is arranged in the slot, two ends of the first spring are respectively provided with a spring fixing plate, one side of the spring fixing plate, which is far away from the mounting block, is provided with a buffer block, and one side of the buffer block, which is far away from the mounting block, is provided with an arc shape.

In a preferred embodiment of the present invention, the first protective tube is also provided with a protective structure on a side away from the first terminal, and the first wire harness and the second wire harness are respectively provided inside the first protective tube and the second protective tube.

As a preferable scheme of the utility model, the clamping structure comprises a pulling block, a sliding rod is arranged on one side of the pulling block close to the first connector lug, a second spring is arranged on the outer side of the sliding rod and at a position inside the first protection tube, a connecting plate is arranged on one side of the sliding rod away from the first protection tube, an adsorption iron sheet is arranged on one side of the connecting plate away from the first protection tube, an installation rod is arranged inside the first connector lug, a slot matched with the installation rod is arranged in a position inside the second connector lug corresponding to the installation rod, and a magnet corresponding to the adsorption iron sheet is arranged on one side of the installation rod close to the adsorption iron sheet.

As a preferable scheme of the utility model, a sliding groove with a small top and a large bottom is arranged at a position of the first connector lug corresponding to the pull block, the sliding rod is installed in the sliding groove in a sliding manner, and a through hole is arranged at a position of the second connector lug corresponding to the sliding groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, by arranging the protection structure, when the connection device is used for a long time and the first wire harness and the second wire harness rub the first protection pipe and the second protection pipe in use, the first wire harness and the second wire harness can be in contact with the protection structure, and under the combined action of the buffer block and the first spring, the first wire harness and the second wire harness are effectively protected, so that the protection effect of the connection device on the wire harness is effectively improved, and the damage of an insulating sheath on the outer side of the wire harness after the wire harness is used for a long time is effectively avoided.

2. According to the utility model, by arranging the clamping structure, when the connecting device is installed, the pulling block is pulled to one side far away from the first connector lug, so that the second spring is compressed, then the second connector lug is inserted into the first connector lug, the pulling block is loosened, so that the sliding rod and the connecting plate pass through the through hole under the action of the second spring, and the adsorption iron sheet and the magnet are firmly adsorbed, so that the connecting device can be conveniently installed, meanwhile, the connecting effect of the connecting device is effectively ensured, and the phenomenon that the connection part of a wiring harness is loosened to influence the normal use of an electric appliance is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of area A of the present invention;

fig. 4 is an enlarged view of the region B of the present invention.

In the figure: 1. a device main body; 11. a first protective tube; 12. a first connector lug; 13. a second connector lug; 14. a second protection tube; 15. a first terminal fitting; 16. a second terminal fitting; 17. mounting a rod; 18. a slot; 2. a first wire harness; 3. a second wire harness; 4. a protective structure; 41. mounting blocks; 42. grooving; 43. a buffer block; 44. a spring fixing plate; 45. a first spring; 5. a clamping structure; 51. pulling the block; 52. a chute; 53. a through hole; 54. a second spring; 55. a connecting plate; 56. adsorbing iron sheets; 57. a magnet; 58. a slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

a wiring harness connecting device for filtering and noise reduction of a low-voltage electrical appliance comprises a device main body 1, wherein the device main body 1 comprises a first protection tube 11 and a second protection tube 14, a first connector lug 12 is arranged on one side of the first protection tube 11, a first terminal connector 15 is arranged on one side, close to the first protection tube 11, in the first connector lug 12, a first wiring harness 2 is arranged on one side, close to the first protection tube 11, of the first terminal connector 15, a second connector lug 13 is arranged on one side, far away from the first protection tube 11, of the first connector lug 12, a second protection tube 14 is arranged on one side, far away from the first connector lug 12, of the second connector lug 13, a protection structure 4 for protecting the wiring harness is arranged on one end, far away from a second wiring harness 3, in the second protection tube 14, a second terminal connector 16 is arranged on one side, close to the second protection tube 14, of the second terminal connector 16 is provided with the second wiring harness 3, be equipped with the joint structure 5 that makes things convenient for connecting device to install between first connector lug 12 and the second connector lug 13, through setting up protection architecture 4, make this connecting device to the protection effect of pencil by effectual improvement, and then effectively avoid the pencil to use the insulating foreskin in the back pencil outside damaged for a long time, through setting up joint structure 5, make this connecting device can be convenient install, the effect that this connecting device connects is effectually guaranteed simultaneously, and then avoids the pencil junction to take place not hard up influence electrical apparatus normal use.

In one embodiment, referring to fig. 1 and 2, the diameter of the second terminal 13 is matched with the diameter of the first terminal 12, the diameter of the second terminal 13 is smaller than the diameter of the first terminal 12, and the first terminal 15 is matched with the second terminal 16.

In the embodiment, referring to fig. 1 and 2, the protection structure 4 includes a circular mounting block 41, a slot 42 is disposed on a side of the mounting block 41 away from the second protection tube 14, a first spring 45 is disposed inside the slot 42, spring fixing plates 44 are disposed at both ends of the first spring 45, a buffer block 43 is disposed on a side of the spring fixing plate 44 away from the mounting block 41, a side of the buffer block 43 away from the mounting block 41 is set to be in a circular arc shape, a protection structure 4 is also disposed on a side of the first protection tube 11 away from the first connector 12, and the first wire harness 2 and the second wire harness 3 are respectively disposed inside the first protection tube 11 and the second protection tube 14, by disposing the protection structure 4, the protection effect of the connection device on the wire harness is effectively improved, and the insulation sheath on the outer side of the wire harness is effectively prevented from being damaged after the wire harness is used for a long time, first pencil 2 and second pencil 3 when using with first protective tube 11 and second protective tube 14 when taking place the friction, first pencil 2 and second pencil 3 can contact with protection architecture 4, and under the combined action of buffer block 43 and first spring 45, carry out effectual protection to first pencil 2 and second pencil 3 for this connecting device is by effectual improvement to the protective effect of pencil, and then effectively avoids the insulating foreskin damage in the pencil outside after the pencil uses for a long time.

In an embodiment, referring to fig. 2 and 4, the clamping structure 5 includes a pulling block 51, a sliding rod 58 is disposed on a side of the pulling block 51 close to the first connector lug 12, a second spring 54 is disposed on an outer side of the sliding rod 58 and inside the first protection tube 11, a connecting plate 55 is disposed on a side of the sliding rod 58 away from the first protection tube 11, an iron attracting sheet 56 is disposed on a side of the connecting plate 55 away from the first protection tube 11, a mounting rod 17 is disposed inside the first connector lug 12, a slot 18 corresponding to the mounting rod 17 is disposed inside the second connector lug 13, the slot 18 is engaged with the mounting rod 17, a magnet 57 corresponding to the iron attracting sheet 56 is disposed on a side of the mounting rod 17 close to the iron attracting sheet 56, a sliding slot 52 with a smaller top and a larger bottom is disposed at a position corresponding to the pulling block 51 of the first connector lug 12, the sliding rod 58 is slidably mounted in the sliding slot 52, a through hole 53 is disposed at a position corresponding to the sliding slot 52 of the second connector lug 13, and by disposing the clamping structure 5, realized that this connecting device can be convenient installs, the effect that this connecting device connects is effectually guaranteed simultaneously, and then avoid the pencil junction to take place not hard up influence electrical apparatus normal use, when in-service use, when this connecting device is in the installation, to keeping away from one side pulling of first connector lug 12 and draw piece 51, and then make the compression of second spring 54, insert second connector lug 13 inside first connector lug 12 afterwards, and loosen and draw piece 51 and then make slide bar 58 and connecting plate 55 pass through-hole 53 under the effect of second spring 54, and adsorb iron sheet 56 and firmly adsorb with magnet 57, make this connecting device can be convenient install, the effect that this connecting device connects is effectually guaranteed simultaneously, and then avoid the pencil junction not hard up to take place to influence electrical apparatus normal use.

The working principle is as follows: when the connecting device is used, in the installation process, the pulling block 51 is pulled to one side far away from the first connector lug 12, so that the second spring 54 is compressed, then the second connector lug 13 is inserted into the first connector lug 12, the pulling block 51 is loosened, so that the sliding rod 58 and the connecting plate 55 pass through the through hole 53 under the action of the second spring 54, the adsorption iron sheet 56 and the magnet 57 are firmly adsorbed, so that the connecting device can be conveniently installed, meanwhile, the connecting effect of the connecting device is effectively ensured, further, the phenomenon that the connection part of the wire harness is loosened to influence the normal use of an electric appliance is avoided, when the connecting device is used for a long time, when the first wire harness 2 and the second wire harness 3 are in friction with the first protective tube 11 and the second protective tube 14 in use, the first wire harness 2 and the second wire harness 3 can be in contact with the protective structure 4, and under the combined action of the buffer block 43 and the first spring 45, carry out effectual protection to first pencil 2 and second pencil 3 for this connecting device is by effectual improvement to the protection effect of pencil, and then effectively avoids the insulating foreskin damage in the pencil outside after the pencil uses for a long time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low-voltage apparatus filtering falls makes an uproar and uses pencil connecting device, includes device main part (1), its characterized in that: the device main body (1) comprises a first protection tube (11) and a second protection tube (14), a first connector lug (12) is arranged on one side of the first protection tube (11), a first terminal joint (15) is arranged on one side, close to the first protection tube (11), in the first connector lug (12), a first wiring harness (2) is arranged on one side, close to the first protection tube (11), of the first terminal joint (15), a second connector lug (13) is arranged on one side, far away from the first protection tube (11), of the first connector lug (12), a second protection tube (14) is arranged on one side, far away from the first connector lug (13), of the second connector lug (13), a protection structure (4) used for protecting the wiring harness is arranged on one end, far away from the second wiring harness (3), in the second protection tube (14), a second terminal joint (16) is arranged on one side, close to the second protection tube (14), in the second terminal joint (16), and a second wiring harness (3) is arranged on one side, close to the second protection tube (14), a clamping structure (5) which is convenient for installing the connecting device is arranged between the first connector lug (12) and the second connector lug (13).

2. The wiring harness connection device for filtering and noise reduction of the low-voltage electric appliance according to claim 1, characterized in that: the diameter of the second connector lug (13) is matched with the diameter of the first connector lug (12), the diameter of the second connector lug (13) is smaller than the diameter of the first connector lug (12), and the first terminal connector (15) is matched with the second terminal connector (16).

3. The wiring harness connection device for filtering and noise reduction of the low-voltage electric appliance according to claim 1, characterized in that: protection architecture (4) are including circular installation piece (41), and one side that second protection tube (14) was kept away from in installation piece (41) is equipped with fluting (42), and fluting (42) inside is equipped with first spring (45), and first spring (45) both ends all are equipped with spring fixed plate (44), and one side that installation piece (41) were kept away from in spring fixed plate (44) is equipped with buffer block (43), and one side that installation piece (41) were kept away from in buffer block (43) is established to arc.

4. The wiring harness connection device for filtering and noise reduction of the low-voltage electric appliance according to claim 1, characterized in that: the protection structure (4) is also arranged on one side, far away from the first connector lug (12), of the interior of the first protection tube (11), and the first wiring harness (2) and the second wiring harness (3) are respectively arranged inside the first protection tube (11) and the second protection tube (14).

5. The wiring harness connection device for filtering and noise reduction of the low-voltage electric appliance according to claim 1, characterized in that: joint structure (5) are including drawing piece (51), draw one side that piece (51) are close to first connector lug (12) and be equipped with slide bar (58), the slide bar (58) outside and be located the position of first protective tube (11) inside and be equipped with second spring (54), one side that first protective tube (11) were kept away from in slide bar (58) is equipped with connecting plate (55), one side that first protective tube (11) were kept away from in connecting plate (55) is equipped with absorption iron sheet (56), first connector lug (12) inside is equipped with installation pole (17), and the position that second connector lug (13) inside and installation pole (17) correspond is equipped with slot (18) of mutually supporting with installation pole (17), one side that installation pole (17) are close to absorption iron sheet (56) is equipped with and adsorbs iron sheet (56) corresponding magnet (57).

6. The wiring harness connection device for filtering and noise reduction of the low-voltage electric appliance according to claim 1, characterized in that: the position of the first connector lug (12) corresponding to the pull block (51) is provided with a sliding groove (52) which is small in top and large in bottom, the sliding rod (58) is installed in the sliding groove (52) in a sliding mode, and the position of the second connector lug (13) corresponding to the sliding groove (52) is provided with a through hole (53).