CN217209020U

CN217209020U - Connection structure and lamp area

Info

Publication number: CN217209020U
Application number: CN202220887663.XU
Authority: CN
Inventors: 肖柳华
Original assignee: Suzhou Op Lighting Co Ltd
Current assignee: Suzhou Op Lighting Co Ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-16
Anticipated expiration: 2032-04-18

Abstract

The utility model provides a connecting structure and a lamp belt, which are used for electrically connecting a power line and electrical equipment, and comprises a terminal, wherein the terminal comprises a terminal main body and an electric connecting piece arranged in the terminal main body; the end of the electric connecting piece close to the inserting end is at least partially exposed out of the body, is arranged in a stacked mode with the inserting end and is electrically connected with the electric equipment, and the length of the inserting end is larger than that of the electric connecting piece exposed out of the body. The utility model discloses a setting up the terminal including grafting end and stiff end, electric connector be close to place in stiff end one end in and with power cord electric connection, the one end that is close to the grafting end at least partially expose in the body and with the range upon range of setting of grafting end, with electrical equipment electric connection to make connection structure have waterproof function when realizing quick electricity and connect.

Description

Connection structure and lamp area

Technical Field

The utility model relates to a connection structure and lamp area belongs to LED lamp area and connects the field.

Background

The LED lamp belt has wide application in landscaping, decoration and other aspects. In the existing lamp strip, a connection structure is generally adopted for connection between the flexible circuit board and a power supply, and the terminals in the connection structure are used for realizing the electrical connection between the flexible circuit board and the power supply.

At present, two types of protection are provided for a connecting structure, one type is bare board application, no protection measure is provided, and the other type is a protective sleeve. The lamp area of taking the protective sheath is because the better guard lamp pearl of ability can also accomplish waterproof, dirt-proof effect simultaneously, and the grade is also higher moreover, so has become high-end occasion first-selected, uses more and more extensively in recent years. However, this lamp has a pain spot: how to realize the waterproof while the head conveniently and rapidly realizes the electric connection. At present, manufacturers generally weld heads and glue and seal the heads by using covers. However, the cutting and splicing are inconvenient for customers, the field welding is inconvenient, and the gluing process and the method have great relationship, so that the consistency of joint sealing is difficult to achieve.

In view of the above, it is necessary to provide a new connecting structure and a light strip to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to connection structure in lamp area to make connection structure have waterproof function when realizing quick electricity and connect.

In order to achieve the above object, the present invention provides a connection structure for electrically connecting a power line and an electrical device, including a terminal, the terminal includes a terminal main body and an electrical connector disposed in the terminal main body, the terminal main body includes a main body and an inserting end and a fixed end disposed at two ends of the main body, the electrical connector is disposed in the fixed end at one end close to the fixed end and is electrically connected to the power line extending into the fixed end; one end of the electric connecting piece, which is close to the inserting end, is at least partially exposed out of the body, is arranged in a stacked mode with the inserting end and is configured to be electrically connected with the electric equipment, and the length of the inserting end is larger than that of the electric connecting piece exposed out of the body.

As a further improvement of the utility model, connection structure still includes the protective sheath, the protective sheath is established the outside of terminal, and cover the terminal, be equipped with the position of bone in the protective sheath, through the position of bone is with sealed and spacing fixed electrical equipment with connection structure's electric connection.

As a further improvement, the bone position is provided with a plurality of bone positions, a plurality of bone positions are arranged along the first direction interval and are arranged on the inner side of the protective sleeve, and are respectively surrounded on a plurality of planes vertical to the first direction in the protective sleeve.

As a further improvement of the present invention, the protective sheath is a flexible protective sheath, the bone position is configured as an interference fit with the body.

As a further improvement of the utility model, the protective sheath with first clearance has between the end of pegging graft, first clearance is the annular gap, electrical equipment at least part inserts in the annular gap, with the range upon range of setting of end of pegging graft, and with electric connector electric connection.

As a further improvement of the utility model, the end orientation of pegging graft one side of electric connector be equipped with to the bellying that the electric connector direction extends, the bellying configuration is spacing fixed electric connector.

As a further improvement of the utility model, connection structure still includes the protection casing, the protection casing cover is established the outside of protective sheath is configured to spacing fixed connection structure with the electric connection of power cord, and spacing fixed connection structure with electrical equipment's electric connection, the protection casing includes base and apron, the base with the connection can be dismantled to the apron.

As a further improvement of the present invention, the protective housing includes a first end and a second end, the first end includes a first limiting plate extending from the base to the cover plate direction, and/or the second end includes a second limiting plate extending from the cover plate to the base direction and a first limiting plate extending from the cover plate to the base direction.

As a further improvement, the base is provided with a protruding part on the circumferential wall, the cover plate corresponds to the position of the protruding part is provided with a buckling part, the base is connected with the cover plate through the protruding part and the buckling part in a buckling manner.

The utility model also provides a lamp area, including power cord, electrical equipment and foretell connection structure, the power cord at least part hold in connection structure's stiff end, and with the setting electric connector electric connection in the stiff end, electrical equipment at least part stretches into in the connection structure, and with connection structure is close to the electric connector electric connection of grafting end.

As a further improvement of the present invention, the electrical device includes a light emitting component and a sleeve, the light emitting component includes a substrate, and a lamp bead and an electrical connection point disposed on the substrate, the electrical connection point is disposed at an end of the substrate close to the connection structure, the sleeve is disposed outside the light emitting component, and a second gap is disposed between an inner wall of the sleeve and the light emitting component; the electrical equipment is at least partially inserted into the protective sleeve of the connecting structure, and the inserting end is inserted into the second gap, so that the electrical connection point is electrically connected with the electrical connection piece exposed out of the body.

The utility model has the advantages that: compared with the prior art, the utility model discloses a connection structure is through setting up the terminal including grafting end and stiff end, electric connector be close to place in stiff end one end in the stiff end and with power cord electric connection, the one end that is close to the grafting end at least partially expose in the body and with the range upon range of setting of grafting end, with electrical equipment electric connection to make connection structure have waterproof function when realizing quick electricity and connect.

Drawings

Fig. 1 is a perspective view of a light strip according to a preferred embodiment of the present invention.

Fig. 2 is a sectional view of fig. 1.

Fig. 3 is an exploded view of the connection structure of fig. 1.

Fig. 4 is a sectional view of fig. 3.

Fig. 5 is a perspective view of the terminal of fig. 3.

Fig. 6 is a cross-sectional view of fig. 5.

Fig. 7 is a perspective view of the protective sheath of fig. 3.

Fig. 8 is a cross-sectional view of fig. 7.

Fig. 9 is a perspective view of the protective sleeve fitted over the terminal.

Fig. 10 is an exploded view of the protective enclosure of fig. 3.

Fig. 11 is a perspective view of the protective housing of fig. 3.

Fig. 12 is a perspective view of the protective housing of fig. 3 in another orientation.

Fig. 13 is an exploded view of an electrical apparatus in accordance with a preferred embodiment of the present invention.

Description of reference numerals:

100-connecting structure,

1-terminal, 11-terminal body, 111-plug end, 1111-projection, 112-fixed end, 113-body, 12-electrical connector,

2-protective sheath, 21-bone position, 22-fastening part, 23-first gap,

3-protective shell, 31-base, 311-protruding part, 312-first limit plate, 32-cover plate, 321-buckling part, 322-second limit plate, 33-first end, 34-second end,

200-power line

300-electrical equipment, 301-luminous component, 3011-lamp bead, 3012-electrical connection point, 3013-substrate, 302-sleeve,

400-lamp area.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

In order to avoid obscuring the present invention with unnecessary details, it should be noted that only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 and 2, the present invention provides a light strip 400, which includes a connection structure 100, a power line 200 and an electrical device 300.

Referring to fig. 3 and 4, the connection structure 100 includes a terminal 1, a protective sleeve 2, and a protective housing 3, and the connection structure 100 is used for electrically connecting a power line 200 and an electrical device 300, and protecting the connected portion.

Referring to fig. 5 and 6, the terminal 1 includes a terminal body 11 and an electrical connector 12 for electrically connecting the power cord 200 and the electrical device 300.

The terminal body 11 includes a body 113, and a mating end 111 and a fixed end 112 provided at both ends of the body 113. The terminal body 11 is used for connecting the power supply line 200 and the electric device 300. The terminal body 11 is made of an insulating material, preferably, in the embodiment of the application, the terminal body 11 is made of plastic and is formed by injection molding once, the terminal body 11 made of the plastic ensures the insulating property of the terminal body 11, and meanwhile, the terminal body is low in cost, convenient and low in price, and is formed by injection molding once through a mold.

The plug terminal 111 is used for electrically connecting with the electrical device 300 in a plug manner. The plug end 111 is inserted into the electrical device 300 so that the terminal 1 can be connected with the electrical device 300, and when the terminal is inserted, at least a portion of the electrical connector 12, which is exposed to the body 113 and is close to the plug end 111, is configured to be electrically connected with the electrical device 300. The side of the inserting end 111 facing the electric connector 12 is provided with a protruding portion 1111 extending towards the direction of the electric connector 12, the protruding portion 1111 is configured to limit and fix the electric connector 12, and the protruding portion 1111 is arranged to prevent the electric connector 12 from shaking up and down along the direction perpendicular to the electric device 300, so that the connection stability of the electric device 300 and the electric connector 12 is improved. The length of the plugging end 111 is greater than the length of the electrical connector 12 exposed out of the body 113, and the arrangement is such that when the connection structure 100 is connected to the electrical device 300, the longer plugging end 111 can be fully inserted into the electrical device 300 to shape the sleeve 302 of the electrical device 300, and the length of the shorter electrical connector 12 exposed out of the body 113 is also sufficient to achieve electrical connection with the electrical device 300. Meanwhile, as the insertion end 111 is made of an insulating material, the electrical connection contacts of the electrical device 300 and the electrical connector 12 can be protected, and the waterproof reliability of the connection structure 100 is ensured, so that the connection structure 100 can realize a waterproof function while being inserted into the electrical device 300 through the insertion end 111 to realize quick electrical connection.

The fixing end 112 is used for fixedly connecting the power cord 200, and when the power cord 200 is connected, the power cord 200 is accommodated in the fixing end 112 and extends into the body 113, and is connected with the electric connector 12 in the body 113 and electrically connected. Meanwhile, a fastening part 22 is arranged at one end of the protective sleeve 2, the other end of the protective sleeve is not arranged, and the fastening part 22 and the fixed end 112 are correspondingly arranged, so that the cross sectional areas of the insertion end 111 and the fixed end 112 in the vertical direction are different, and the insertion end and the fixed end are correspondingly arranged at different ends of the protective sleeve 2, so that the insertion end and the fixed end are convenient to distinguish and fix. The length of stiff end 112 is less than the length of grafting end 111, and stiff end 112 is used for connecting power cord 200, and realizes being connected with protective sheath 2, consequently need not too much length, and grafting end 111 need insert electrical equipment 300, need carry out the adjustment and the correction of position through certain length after inserting, realizes the plastic to electrical equipment 300's sleeve pipe 302, is convenient for realize electric connection between them, guarantees the accuracy of being connected with electrical equipment 300.

The electrical connectors 12 are arranged in the terminal body 11, at least two electrical connectors 12 are provided, in the present embodiment, two electrical connectors 12 are provided, and the two electrical connectors 12 correspond to the positive and negative poles in the two-wire circuit. In other embodiments of the present application, three electrical connections 12 may also be provided, i.e. three different lines, each corresponding to a three-wire circuit.

One end of the electrical connector 12 close to the plug end 111 is at least partially exposed out of the body 113 of the terminal body 11, and is stacked on the plug end 111 and configured to be electrically connected to the electrical device 300. Specifically, the plugging terminal 111 is inserted into the sleeve 302 of the electrical device 300, and at this time, the plugging terminal 111, the electrical connector 12 at least partially exposed out of the body 113 and close to the plugging terminal 111, and the electrical connection point 3012 on the substrate 3013 of the electrical device 300 are sequentially stacked, so that the substrate 3013 and the electrical connector 12 are electrically connected through the electrical connector 12 and the electrical connection point 3012, and thus the electrical connection between the terminal 1 and the electrical device 300 is realized. The power cord 200 is fixedly connected and electrically connected to the fixing end 112, in particular, the power cord 200 is at least partially accommodated in the fixing end 112 and electrically connected to the electrical connector 12 disposed in the terminal body 11.

The electrical connector 12 is made of a conductive material, and preferably, in the embodiment of the present application, the electrical connector 12 is made of pure copper, which has excellent conductive performance, and realizes electrical connection between the power cord 200 and the electrical device 300. In other embodiments of the present application, the terminal 1 may be made of other conductive materials for reducing the cost, as long as the connection of the power line 200 and the electrical device 300 can be realized.

Referring to fig. 7 to 9, the protective sleeve 2 includes a bone 21, a fastening portion 22 and a first gap 23, the protective sleeve 2 is sleeved outside the terminal 1 and covers the terminal 1, so as to fix the terminal 1 and the electrical device 300, protect the terminal 1, and achieve waterproof and prevent a user from touching the terminal by mistake to cause an electric shock.

The bone positions 21 are arranged in the protective sleeve 2, a plurality of bone positions 21 are arranged, the bone positions 21 are arranged on the inner side of the protective sleeve 2 at intervals along the first direction and are arranged around the protective sleeve 2 in a plurality of planes perpendicular to the first direction respectively. In the embodiment of the present application, there are four bone positions 21, the first direction is a direction extending from the insertion end 111 to the fixed end 112, and the four bone positions 21 are respectively disposed around the protective sheath 2 in four planes perpendicular to the first direction. When the protective sleeve 2 is sleeved on the terminal 1 along the first direction, it is configured to seal and fix the electrical connection between the electrical device 300 and the connecting structure 100 through the bone 21.

One end of the protective sleeve 2 is provided with a fastening portion 22, the fastening portion 22 is arranged corresponding to the fixed end 112, and the fixed end 112 is inserted into the fastening portion 22 and is fixed in a limiting manner, so that the terminal 1 and the protective sleeve 2 are fixedly connected with the fixed end 112 through the fastening portion 22. The other end of the protective case 2 is correspondingly located on the plug end 111, a first gap 23 is formed between the protective case 2 and the plug end 111, the first gap 23 is an annular gap, and the first gap 23 is configured to at least partially accommodate the electrical device 300. An end of the electrical device 300 facing the plug end 111 is provided with a second gap, and the second gap is configured to enable the plug end 111 to be inserted into the sleeve 302 of the electrical device 300, so that when the electrical device 300 is plugged with the plug end 111, the electrical device 300 is at least partially inserted into the annular gap 23, stacked with the plug end 111, and electrically connected with the electrical connector 12. At the moment, the protective sleeve 2 not only plays a waterproof role in the plugging of the electrical equipment 300 and the plugging end 111, but also plays a role in limiting and fixing,

protective sheath 2 is flexible protective sheath, adopts insulating and have elastic material to make, in the embodiment of this application, protective sheath 2 adopts rubber to make, the shaping of disposable injecting glue, convenient and fast and low cost also play insulating effect simultaneously, protection user operation safety. When the protective sleeve 2 is sleeved on the terminal 1 along the direction from the fixed end 112 to the inserting end 111, the fixed end 112 is clamped in the fastening part 22 and is fixed by the fixing part, at the moment, the bone position 21 is in contact with the body 113 and the electrical equipment 300, because the bone position 21 has elasticity, the cross-sectional area enclosed by the vertical direction of the bone position 21 is smaller than the cross-sectional area of the vertical direction of the electrical equipment 300, namely, the bone position 21 is in interference fit with the body 113 and the electrical equipment 300, so that a large friction force is generated between the body 113 and the electrical equipment 300 and the bone position 21, the auxiliary fixing of the electrical equipment 300 and the protective sleeve 2 is realized, and the electrical connection of the electrical equipment and the connection structure is more stable.

Referring to fig. 10 to 12, in the embodiment of the present application, the protection housing 3 is separately disposed and includes a base 31 and a cover plate 32, the protection housing 3 is sleeved on the outer side of the protection sleeve 2 and is used for protecting the terminal 1 and the power line 200 and the electrical device 300 connected thereto, so that not only can the terminal 1 and the protection sleeve 2 be fixed, but also the connection structure 100 can be waterproof and can prevent a user from mistakenly touching the terminal to cause an electric shock. In other embodiments of the present application, the protection housing 3 may be integrally formed, and therefore, the cost is low.

The base 31 includes protrusions 311 disposed on the peripheral wall, in other embodiments of the present application, the protrusions 311 are disposed on two side walls of the base 31, two protrusions 311 are disposed on each side wall, that is, four protrusions 311 are disposed in total, the cover 32 includes a locking portion 321 disposed on the peripheral wall, the locking portion 321 is a rectangular groove disposed corresponding to the protrusions 311, and in other embodiments of the present application, four locking portions 321 are also disposed. The base 31 can be dismantled with apron 32 and be connected, is convenient for lay with terminal 1 and protective sheath 2 and fix between base 31 and apron 32, and the later stage of also being convenient for simultaneously is maintained. When the protective cover 2 is mounted in the base 31, the cover 32 covers the base 31, and the protrusion 311 is engaged with the engaging portion 321, thereby engaging the base 31 and the cover 32. At this time, the terminal 1, the electrical device 300, and the cover 2 are sequentially fixed between the base 31 and the cover 32. In other embodiments, the positions of the protrusion 311 and the locking part 321 may be interchanged, which is not limited in the present application.

The protective casing 3 further includes a first end 33 and a second end 34, the first end 33 and the second end 34 are left and right ends of the base 31 and the cover 32 after being snap-connected, the first end 33 includes a first limiting plate 312 extending from the base 31 to the cover 32, and/or the second end 34 includes a first limiting plate 312 and a second limiting plate 322 extending from the cover 32 to the base 31. In this embodiment, be equipped with first limiting plate 312 on the first end 33, and be equipped with second limiting plate 322 on the second end 34, first limiting plate 312 encloses with second limiting plate 322 and establishes the spacing chamber of formation jointly to make terminal 1, electrical equipment 300 and protective sheath 2 be spacing fixing in proper order in spacing intracavity. In other embodiments, the first limiting plate 312 may be disposed on the first end or the second limiting plate 322 may be disposed on the second end, as long as the protective housing 3 can limit the electrical connection between the fixed connection structure 100 and the power line 200 and the electrical device 300, so as to improve the connection stability between the fixed connection structure 100 and the power line 200 and the electrical device 300.

First end 33 corresponds the setting with fastening portion 22, and the cross-sectional area of the vertical direction of the inside part of first end 33 enclosed by first limiting plate 312 and apron 32 and establishing is the cross-sectional area of the vertical direction of fastening portion 22, and in the embodiment of this application, both areas equal, when protective sheath 2 installs in protection casing 3, fastening portion 22 card goes into first end 33 to the realization is fixed. Second end 34 corresponds the setting with electrical equipment 300, and the cross-sectional area of the vertical direction of the inside part of second end 34 that is enclosed by first limiting plate 312 and second limiting plate 322 is the cross-sectional area of the vertical direction of electrical equipment 300 more than or equal to, and in the embodiment of this application, both areas are equal, and when protective cover 2 was installed in protection casing 3, electrical equipment 300 was blocked and is established at second end 34 to the realization is fixed. In other embodiments of the present application, the first limiting plate 312 and the second limiting plate 322 may be freely disposed and combined at the first end 33 and the second end 34, so as to form the first end 33 and the second end 34 with different sizes, thereby achieving the limiting fixation of the fastening portion 22 and the electrical device 300.

The power cord 200 is at least partially received in the fixed end 112 of the terminal 1 of the connection structure 100, and is clamped and fixed by the fixed end 112 of the terminal 1 to be electrically connected to the electrical connector 12 disposed in the terminal 1. The plug terminal 111 is inserted into the electrical device 300 and electrically connected to the electrical device 300 through the electrical connector 12 partially exposed from the plug terminal 111. The power cord 200 is electrically connected to the electrical device 300 through the terminal 1. In the embodiment of the present application, the power line 200 is a two-wire power line, and the electrical device 300 is an FPC tape.

Referring to fig. 13, the electrical apparatus 300 includes a light emitting element 301 and a sleeve 302, the sleeve 302 is sleeved on the light emitting element 301 for protection, and the electrical apparatus 300 is used for lighting.

The light emitting device 301 includes a substrate 3013, and a lamp bead 3011 and an electrical connection point 3012 disposed on the substrate 3013. The substrate 3013 is a Flexible Printed Circuit (FPC), and the substrate 3013 made of the flexible printed circuit can be bent at will, which is convenient for mounting. The lamp pearl 3011 is equipped with a plurality ofly, and a plurality of lamp pearls 3011 interval sets up on base plate 3013. The electrical connection point 3012 is disposed at an end of the substrate 3013 of the electrical device 300 close to the terminal 1 of the connection structure 100, and since the insertion end 111 of the terminal 1 is inserted into the electrical device 300, the electrical connector 12 partially exposed at the insertion end 111 is also inserted into the electrical device 300, and the partially exposed electrical connector 12 contacts the electrical connection point 3012, so as to electrically connect the terminal 1 and the electrical device 300. In the embodiment of the present application, two electrical connection points 3012 are provided on one end of the substrate 3013 of the electrical device 300, corresponding to the positive and negative poles of a two-wire power line.

The sleeve 302 is sleeved outside the light emitting element 301 for protecting the light emitting element 301, a second gap is formed between the inner wall of the sleeve 302 and the light emitting element 301, and the second gap is configured to enable the plugging terminal 111 to be inserted into the sleeve 302, so that the electrical connection point 3012 is electrically connected to the electrical connection member 12 exposed out of the body 113, and positioning and shaping of the plugging terminal 111 in the electrical device 300 are achieved. While the electrical device 300 is at least partially inserted into the protective casing 2 of the connection structure 100.

To sum up, the utility model discloses a connection structure 100 is through setting up terminal 1 including grafting end 111 and stiff end 112, electric connector 12 be close to place in stiff end 112 one end place in stiff end 112 and with power cord 200 electric connection, the one end that is close to grafting end 111 at least partially expose in body 113 and with the range upon range of setting of grafting end 111, with electrical equipment 300 electric connection to make connection structure 100 have waterproof function when realizing quick electricity and connect. By providing the protective cover 2 and the protective housing 3, the waterproof performance of the connection structure 100 is further improved.

The above embodiments are only for illustrating the technical solutions of the present invention and are not limited, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A connection structure for electrically connecting a power cord (200) and an electrical device (300), characterized in that: the terminal comprises a terminal (1), wherein the terminal (1) comprises a terminal main body (11) and an electric connecting piece (12) arranged in the terminal main body (11), the terminal main body (11) comprises a body (113), and an inserting end (111) and a fixed end (112) which are arranged at two ends of the body (113), one end, close to the fixed end (112), of the electric connecting piece (12) is arranged in the fixed end (112) and is electrically connected with a power line (200) extending into the fixed end (112); one end of the electric connector (12) close to the insertion end (111) is at least partially exposed out of the body (113), is stacked with the insertion end (111) and is configured to be electrically connected with the electric device (300), and the length of the insertion end (111) is greater than the length of the electric connector (12) exposed out of the body (113).

2. The connection structure according to claim 1, wherein: connection structure (100) still include protective sheath (2), protective sheath (2) cover is established the outside of terminal (1), and cover terminal (1), be equipped with position of bone (21) in protective sheath (2), through position of bone (21) is with sealed and spacing fixed electrical equipment (300) with the electric connection of connection structure (100).

3. The connection structure according to claim 2, wherein: the bone positions (21) are arranged in a plurality of positions, the bone positions (21) are arranged on the inner side of the protective sleeve (2) at intervals along a first direction and are arranged around the protective sleeve (2) in a plurality of planes perpendicular to the first direction respectively.

4. The connection structure according to claim 2, wherein: the protective sleeve (2) is a flexible protective sleeve, and the bone position (21) is configured to be in interference fit with the body (113).

5. The connection structure according to claim 2, wherein: a first gap (23) is formed between the protective sleeve (2) and the insertion end (111), the first gap (23) is an annular gap, and at least part of the electrical equipment (300) is inserted into the annular gap, stacked with the insertion end (111) and electrically connected with the electric connecting piece (12).

6. The connection structure according to claim 1, wherein: one side of the insertion end (111) facing the electric connector (12) is provided with a protruding portion (1111) extending towards the electric connector (12), and the protruding portion (1111) is configured to limit and fix the electric connector (12).

7. The connection structure according to claim 2, wherein: connection structure (100) still includes protection casing (3), protection casing (3) cover is established the outside of protective sheath (2) is configured to spacing fixed connection structure (100) with the electric connection of power cord (200), and spacing fixed connection structure (100) with the electric connection of electrical equipment (300), protection casing (3) include base (31) and apron (32), base (31) with apron (32) can dismantle the connection.

8. The connection structure according to claim 7, wherein: the protective shell (3) comprises a first end (33) and a second end (34), the first end (33) comprises a first limiting plate (312) extending from the base (31) to the direction of the cover plate (32), and/or the second end (34) comprises the first limiting plate (312) and a second limiting plate (322) extending from the cover plate (32) to the direction of the base (31).

9. The connection structure according to claim 7, wherein: the base is characterized in that a protruding portion (311) is arranged on the peripheral wall of the base (31), a buckling portion (321) is arranged at the position, corresponding to the protruding portion (311), of the cover plate (32), and the base (31) and the cover plate (32) are connected through the protruding portion (311) and the buckling portion (321) in a buckling mode.

10. A light strip, its characterized in that: the power supply device comprises a power supply line (200), an electrical device (300) and the connecting structure (100) as claimed in any one of claims 1 to 9, wherein the power supply line (200) is at least partially accommodated in the fixed end (112) of the connecting structure (100) and is electrically connected with an electrical connector (12) arranged in the fixed end (112), and the electrical device (300) at least partially extends into the connecting structure (100) and is electrically connected with the electrical connector (12) of the connecting structure (100) close to the plugging end (111).

11. A light strip according to claim 10, wherein: the electrical device (300) comprises a light-emitting component (301) and a sleeve (302), wherein the light-emitting component (301) comprises a substrate (3013), and a lamp bead (3011) and an electrical connection point (3012) which are arranged on the substrate (3013), the electrical connection point (3012) is arranged at the end part of the substrate (3013) close to the connection structure (100), the sleeve (302) is sleeved on the outer side of the light-emitting component (301), and a second gap is formed between the inner wall of the sleeve (302) and the light-emitting component (301); the electrical device (300) is at least partially inserted into the protective sleeve (2) of the connecting structure (100), and the inserting end (111) is inserted into the second gap, so that the electrical connection point (3012) is electrically connected with the electrical connector (12) exposed out of the body (113).