阅读说明：本技术 一种设有分级释放手柄的接线端子 (Binding post with release handle in grades ) 是由 卢迪 马晓轩 梁文龙 毛利达 徐骏 于 2020-12-25 设计创作，主要内容包括：本发明提供了一种设有分级释放手柄的接线端子,具体涉及接线端子技术领域。所述接线端子包括：壳体总成；弹片结构,设置在所述壳体总成内,所述弹片结构用于夹住导线的端部；长条形导向结构,设置在所述壳体总成顶部,所述长条形导向结构适于弹性变形；手柄,与所述壳体总成活动连接,所述手柄与所述长条形导向结构配合,所述手柄适于沿着所述长条形导向结构移动,所述手柄用于使所述弹片结构变形；以及多个限位结构,分别与所述长条形导向结构连接,多个所述限位结构沿着所述长条形导向结构的延伸方向设置,多个所述限位结构用于阻挡所述手柄沿着所述长条形导向结构移动。从而充分吸收弹片结构回弹的冲击力,从而延长接线端子的使用寿命。(The invention provides a wiring terminal with a graded release handle, and particularly relates to the technical field of wiring terminals. The connection terminal includes: a housing assembly; the elastic sheet structure is arranged in the shell assembly and used for clamping the end part of the wire; the elongated guide structure is arranged at the top of the shell assembly and is suitable for elastic deformation; the handle is movably connected with the shell assembly, is matched with the long-strip-shaped guide structure and is suitable for moving along the long-strip-shaped guide structure, and the handle is used for deforming the elastic sheet structure; and the limiting structures are respectively connected with the strip-shaped guide structures, the limiting structures are arranged along the extending direction of the strip-shaped guide structures, and the limiting structures are used for blocking the handle to move along the strip-shaped guide structures. Thereby fully absorb the impact force that the shell fragment structure kick-backed to prolong binding post's life.)

1. A terminal provided with a stepped release handle, comprising:

a housing assembly (100);

the elastic sheet structure (200) is arranged in the shell assembly (100), and the elastic sheet structure (200) is used for clamping the end part (300) of the wire;

the elongated guide structure (400) is arranged at the top of the shell assembly (100), and the elongated guide structure (400) is suitable for elastic deformation;

the handle (500) is movably connected with the shell assembly (100), the handle (500) is matched with the elongated guide structure (400), the handle (500) is suitable for moving along the elongated guide structure (400), and the handle (500) is used for deforming the elastic sheet structure (200); and

a plurality of limit structure (600), respectively with rectangular shape guide structure (400) are connected, and are a plurality of limit structure (600) are along the extending direction setting of rectangular shape guide structure (400), and are a plurality of limit structure (600) are used for blockking handle (500) are along rectangular shape guide structure (400) remove.

2. A terminal provided with a stepped release handle according to claim 1,

the long strip-shaped guide structure (400) is a first long strip-shaped through hole or a long strip-shaped groove body, and the long strip-shaped guide structure (400) extends from the front end of the shell assembly (100) to the rear end of the shell assembly (100);

the handle (500) is provided with a first protruding structure (510), the first protruding structure (510) is connected with the body of the handle (500), the first protruding structure (510) is kept in the elongated guide structure (400), and the first protruding structure (510) is suitable for reciprocating along the elongated guide structure (400);

the limiting structures (600) are all second protruding structures, and the second protruding structures are suitable for blocking the first protruding structures (510) from moving along the elongated guide structures (400).

3. Terminal provided with a stepped release handle according to claim 2, characterized in that the housing assembly (100) comprises a first housing (110) and a second housing (120);

the elongated guide structure (400) is an elongated guide hole (410) which is respectively formed in the top of the first shell (110) and the top of the second shell (120), and the elongated guide hole (410) extends along an arc line;

a plurality of second protruding structures are arranged in each elongated guide hole (410);

the first protruding structures (510) are two and are respectively arranged in the corresponding elongated guide holes (410).

4. A terminal provided with a step release handle according to claim 3, wherein connecting shafts (530) are projected outward from opposite sides of a body of the handle (500);

the first shell (110) and the second shell (120) are both provided with mounting holes (130), the mounting holes (130) are rectangular, the connecting shaft (530) is arranged in the mounting holes (130) of the first shell (110) and the second shell (120), and the mounting holes (130) are positioned below the strip-shaped guide holes (410);

the elastic sheet structure (200) is a V-shaped bent strip-shaped plate-shaped structure, the elastic sheet structure (200) is positioned below the handle (500), two ends of the elastic sheet structure (200) are both arranged towards the front side of the shell assembly (100), the bent part of the elastic sheet structure (200) is arranged close to the rear side of the shell assembly (100),

the handle (500) comprises a third protruding structure (520), the third protruding structure (520) is connected with the front end of the handle (500) body, the first protruding structure (510) is arranged above the connecting shaft (530) and the third protruding structure (520),

one end of the elastic sheet structure (200) positioned at the top of the elastic sheet structure (200) is provided with a first concave part (210), the third convex structure (520) is suitable for being arranged in the first concave part (210), and one end of the elastic sheet structure (200) is suitable for being propped against the end part (300) of the lead.

5. A terminal provided with a stepped release handle according to claim 4, the right side surface of the first shell (110) is provided with a cavity structure (111), the second shell (120) is of a plate-shaped structure and is suitable for covering the cavity structure (111), a fourth convex structure (112) and a fifth convex structure (113) are arranged in the concave cavity structure (111), the spring plate structure (200) is arranged in the concave cavity structure (111), the fourth bulge structure (112) and the inner side wall of the concave cavity structure (111) are arranged in a clearance way, the bent part of the elastic sheet structure (200) is arranged between the fourth convex structure (112) and the inner side wall of the cavity structure (111), the fifth bulge structure (113) is arranged between two ends of the spring sheet structure (200), the fifth protruding structure (113) is used for limiting the swing range of the two ends of the elastic sheet structure (200).

6. A terminal provided with a stepped release handle according to claim 5, further comprising an electrically conductive member (700), the electrically conductive member (700) being interposed between the first housing (110) and the second housing (120),

the conductive member (700) includes a clamping plate (710), a connecting plate (720), and a base (730),

both ends of the spring plate structure (200) point to the front side of the shell assembly (100), one end of the spring plate structure (200) is positioned above the other end,

the base (730) is connected with the other end of the elastic sheet structure (200), the clamping plate (710) is arranged at the top of one end of the elastic sheet structure (200), the clamping plate (710) is connected with the base (730) through the connecting plate (720), and the base (730) extends out of the first shell (110) and the second shell (120).

7. A terminal provided with a stepped release handle according to claim 6, characterised in that the bottom surface of the clamping plate (710) is provided with a plurality of anti-slip grooves (711), the end portion (300) of the conductor being adapted to be arranged between the clamping plate (710) and the top of the spring structure (200);

the base (730) comprises a first plate-shaped part (731) and two welding feet (732), the first plate-shaped part (731) is bent to be of a channel steel structure, a first through hole (7311) is formed in one side wall of the channel steel structure, a second long-strip-shaped through hole (7312) is formed in the other side wall of the channel steel structure, the second long-strip-shaped through hole (7312) is communicated with the end portion of the channel steel structure, a sixth protruding structure (220) is arranged on one side of the other end of the elastic sheet structure (200), the sixth protruding structure (220) is arranged in the first through hole (7311), the other side edge of the other end of the elastic sheet structure (200) is arranged in the second long-strip-shaped through hole (7312), one end of each welding foot (732) is connected with the channel steel structure, and the other end of each welding foot (732) penetrates through and extends out of the first shell (110) and the second shell (120,

the rear end face of connecting plate (720) is sunken for stepping down recess (721) forward, third protruding structure (520) are located the rear of connecting plate (720), and third protruding structure (520) with stepping down recess (721) are the interval setting.

8. The connection terminal provided with the stepped release handle according to claim 6, wherein two side plate surfaces of the connection plate (720) are respectively arranged towards the left and the right, the outer plate surface of the connection plate (720) is a stepped surface, the top of the outer plate surface of the connection plate (720) is positioned at the left side of the bottom of the outer plate surface of the connection plate (720), and the end portion (300) of the wire is positioned at the left side of the connection plate (720).

9. The connection terminal provided with a step release handle according to claim 8, wherein the top of the right side of the first housing (110) protrudes with respect to the bottom of the right side thereof as a first step surface (115), the bottom of the left side of the second housing (120) protrudes with respect to the top of the left side thereof as a second step surface (121), and the right side of the first housing (110) abuts against the left side of the second housing (120);

the top of the front end of the body of handle (500) is provided with eighth protruding structure (550), the top of first casing (110) is close to the right flank left recess formation third depressed part (140) of its rectangular shape guiding hole (410), third depressed part (140) with cavity structure (111) intercommunication, the body setting of handle (500) is in third depressed part (140), third depressed part (140) are located the front end department of first casing (110) is provided with and keeps off eaves (141), when third protruding structure (520) are arranged in first depressed part (210), handle (500) are located the front end of rectangular shape guiding hole (410), and eighth protruding structure (550) are arranged in keep off eaves (141) below.

10. The connection terminal provided with a stepped release handle according to any one of claims 3 to 9, wherein the handle (500) further comprises a pressing portion (540), the pressing portion (540) is located at the rear side of the handle (500), the left and right sides of the pressing portion (540) are oppositely provided with second recessed portions (541),

seventh protruding structures are respectively arranged at the tops of the first shell (110) and the second shell (120), the two seventh protruding structures are arranged oppositely, the pressing part (540) is arranged between the two seventh protruding structures, and the seventh protruding structures are suitable for being placed in the second concave part (541).

Technical Field

The invention relates to the technical field of wiring terminals, in particular to a wiring terminal with a graded release handle.

Background

With the continuous progress of technology, a large number of electrical components are widely used in various fields in production and life; as a basis for the application of electrical components, corresponding electrical devices need to be connected, and the terminal is a main component applied in the field of electrical connection. Because the binding post has easy operation, the convenient quick advantage of dismouting connector lug, consequently by a large amount wide use.

However, the conventional connecting terminal has the problem of short service life in the use process, namely the connecting terminal is not durable; in addition, the existing wiring terminal also has the problems that the end part of the lead is not firmly fixed and the disconnection is easy to occur.

Disclosure of Invention

The invention aims to solve the problem of short service life of the existing wiring terminal to a certain extent, and in addition, the existing wiring terminal also has at least one aspect of the problems of infirm fixing of the end part of a lead and the like.

To this end, the invention provides a terminal provided with a stepped release handle, comprising:

a housing assembly;

the elastic sheet structure is arranged in the shell assembly and used for clamping the end part of the wire;

the elongated guide structure is arranged at the top of the shell assembly and is suitable for elastic deformation;

the handle is movably connected with the shell assembly, is matched with the long-strip-shaped guide structure and is suitable for moving along the long-strip-shaped guide structure, and the handle is used for deforming the elastic sheet structure; and

and the limiting structures are connected with the strip-shaped guide structures respectively, are multiple and are used for blocking the handle from moving along the extending direction of the strip-shaped guide structures.

Furthermore, the strip-shaped guide structure is a first strip-shaped through hole or a strip-shaped groove body;

the handle is provided with a first protruding structure, the first protruding structure is connected with the body of the handle, the first protruding structure is kept in the elongated guide structure, and the first protruding structure is suitable for moving back and forth along the elongated guide structure;

the limiting structures are second protruding structures, and the second protruding structures are suitable for blocking the first protruding structures to move along the elongated guide structures.

Further, the housing assembly comprises a first housing and a second housing;

the elongated guide structures are elongated guide holes which are respectively formed in the top of the first shell and the top of the second shell, and the elongated guide holes extend along an arc line;

a plurality of second protruding structures are arranged in each elongated guide hole;

the two first protruding structures are respectively arranged in the corresponding elongated guide holes.

Furthermore, connecting shafts protrude outwards from two opposite sides of the handle body;

the first shell and the second shell are both provided with mounting holes, the mounting holes are rectangular, the connecting shaft is arranged in the mounting holes of the first shell and the second shell, and the mounting holes are positioned below the strip-shaped guide holes;

the elastic sheet structure is a V-shaped bent strip-shaped plate-shaped structure, the elastic sheet structure is positioned below the handle, two ends of the elastic sheet structure are both arranged towards the front side of the shell assembly, the bent part of the elastic sheet structure is arranged close to the rear side of the shell assembly,

the handle comprises a third protruding structure, the third protruding structure is connected with the front end of the handle body, the first protruding structure is arranged above the connecting shaft and the third protruding structure,

one end of the elastic sheet structure, which is positioned at the top of the elastic sheet structure, is provided with a first concave part, the third convex structure is suitable for being arranged in the first concave part, and one end of the elastic sheet structure is suitable for being propped against the end part of the wire.

Furthermore, a cavity structure is formed in the right side face of the first shell, the second shell is of a plate-shaped structure and is suitable for covering the cavity structure, a fourth protruding structure and a fifth protruding structure are arranged in the cavity structure, the elastic sheet structure is arranged in the cavity structure, the fourth protruding structure and the inner side wall of the cavity structure are arranged in a gap mode, the bending position of the elastic sheet structure is arranged between the fourth protruding structure and the inner side wall of the cavity structure, the fifth protruding structure is arranged between the two ends of the elastic sheet structure, and the fifth protruding structure is used for limiting the swing range of the two ends of the elastic sheet structure.

Further, the terminal provided with the stepped release handle further includes a conductive member interposed between the first housing and the second housing,

the conductive component comprises a clamping plate, a connecting plate and a base,

both ends of the spring plate structure are arranged towards the front side of the shell assembly, one end of the spring plate structure is positioned above the other end of the spring plate structure,

the base is connected with the other end of the elastic sheet structure, the clamping plate is arranged at the top of one end of the elastic sheet structure and connected with the base through the connecting plate, and the base extends out of the first shell and the second shell.

Furthermore, the bottom surface of the clamping plate is provided with a plurality of anti-skidding grooves, and the end part of the lead is suitable for being arranged between the clamping plate and the top of the spring plate structure;

the base comprises a first plate-shaped part and two welding feet, the first plate-shaped part is bent into a channel steel structure, a first through hole is formed in one side wall of the channel steel structure, a second long-strip-shaped through hole is formed in the other side wall of the channel steel structure and communicated with the end part of the channel steel structure, a sixth protruding structure is arranged on one side of the other end of the elastic sheet structure and arranged in the first through hole, the other side edge of the other end of the elastic sheet structure is arranged in the second long-strip-shaped through hole, one end of each welding foot is connected with the channel steel structure, and the other end of each welding foot penetrates through and extends out of the first shell and the second shell,

the rear end face of connecting plate caves forward for stepping down the recess, the protruding structure of third is located the rear of connecting plate, and the protruding structure of third with the recess of stepping down is the interval setting.

Further, the both sides face of connecting plate sets up about respectively, the outer face of connecting plate is the ladder face, the top of the outer face of connecting plate is located the left side of the bottom of the outer face of connecting plate, the tip of wire is located the left side of connecting plate.

Furthermore, the top of the right side surface of the first shell protrudes to be a first step surface relative to the bottom of the right side surface of the first shell, the bottom of the left side surface of the second shell protrudes to be a second step surface relative to the top of the left side surface of the second shell, and the right side surface of the first shell is attached to the left side surface of the second shell;

the top of the front end of the body of handle is provided with eighth protruding structure, the top of first casing is close to the right flank of its rectangular shape guiding hole and caves in formation third depressed part to the left, the third depressed part with cavity structure intercommunication, the body of handle sets up in the third depressed part, the third depressed part is located the front end department of first casing is provided with and keeps off the eaves, third protruding structure arranges in during the first depressed part, the handle is located the front end of rectangular shape guiding hole, and eighth protruding structure arranges in keep off the eaves below.

Furthermore, the handle also comprises a pressing part which is positioned at the rear side of the handle, the left side and the right side of the pressing part are oppositely provided with second sunken parts,

the top of the first shell and the top of the second shell are respectively provided with a seventh protruding structure, the two seventh protruding structures are arranged oppositely, the pressing part is arranged between the two seventh protruding structures, and the seventh protruding structures are suitable for being placed in the second concave part.

When the wire connecting device is used, the handle can always reciprocate along the strip-shaped guide structure, so that the corresponding elastic sheet structure is driven to clamp the end part of the wire, and when the end part of the wire is separated from the wire connecting terminal, the handle moves reversely, although the elastic sheet structure can generate corresponding impact action on the handle; however, the long strip-shaped guide structure has a limiting effect on the movement of the handle, so that the impact force on the handle is reduced; then, the plurality of limiting structures are arranged along the extending direction of the strip-shaped guide structure, the handle is prevented from moving along the strip-shaped guide structure, and the strip-shaped guide structure is suitable for elastic deformation, so that when the handle passes through the limiting structures, the strip-shaped guide structure is elastically deformed, and the limiting structures are elastically deformed along with the strip-shaped guide structure; like this, on the one hand make continuation that the handle can be smooth move along rectangular shape guide structure, on the other hand passes through the handle at the in-process that promotes limit structure, and the effect that hinders the speed reduction that limit structure played the handle to further reduction handle moves the impact force of in-process along rectangular shape guide structure, thereby makes the handle can steady removal at the in-process of shell fragment structure release. Like this, through rectangular shape guide structure to handle moving range's restriction to and a plurality of limit structure, handle and the mutually supporting of rectangular shape guide structure three, realized releasing step by step of handle, also be exactly through a plurality of limit structure one by one to fully absorb the impact force that the shell fragment structure kick-backed, thereby make the handle remove steadily, thereby extension binding post's life.

Further, the top of the outer plate surface passing through the connection plate is located on the left side of the bottom of the outer plate surface of the connection plate, and the end of the wire is located on the left side of the connection plate. The connecting plate is leaned against the end part of the lead, so that the end part of the lead is prevented from shaking left and right in the shell assembly, and the end part of the lead is ensured to be firmly connected in the wiring terminal.

Drawings

Fig. 1 is a schematic configuration view of a state in which main parts of a connection terminal provided with a stepped release handle are scattered according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the first casing and the second casing in a dispersed state according to the embodiment of the present invention;

FIG. 3 is a schematic block diagram of the handle, the spring structure and the conductive member cooperating with each other according to an embodiment of the present invention;

FIG. 4 is another schematic block diagram of the handle, the spring structure and the conductive member cooperating with each other in accordance with an embodiment of the present invention;

fig. 5 is a schematic structural view of the spring structure according to the embodiment of the present invention;

FIG. 6 is a schematic block diagram of the first housing of an embodiment of the present invention;

fig. 7 is a schematic structural view of the assembled wire connecting terminal provided with the stepped release handle according to the embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of the handle-open state of the connection terminal provided with a stepped release handle according to the embodiment of the present invention;

fig. 9 is a schematic cross-sectional view of the wire end inserted into the terminal provided with a stepped release handle according to an embodiment of the present invention;

fig. 10 is a schematic cross-sectional view of the wire end being depressed after insertion into the terminal provided with a stepped release handle according to an embodiment of the present invention;

fig. 11 is a schematic cross-sectional view of the wire end of the embodiment of the present invention after the wire end is inserted into the terminal provided with the stepped release handle and the handle is pressed closed.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", and the like, which indicate orientations or positional relationships, are based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

It should be noted that the term "connect" in this embodiment includes a detachable connection and a non-detachable connection, that is, the term "connect" in this embodiment may be a detachable connection or a non-detachable connection, and the non-detachable connection may also be referred to as a fixed connection; however, if the connection is not explicitly indicated as detachable connection or non-detachable connection in this embodiment, the detachable connection and the non-detachable connection are considered to be applicable, and the specific use of the detachable connection or the non-detachable connection may be determined according to specific implementation conditions of a specific implementation process, so that the "connection" will not be correspondingly explained in the following of this embodiment.

In addition, the "setting" mentioned in the present embodiment includes the case of mounting, fixing, and connecting, that is, the "setting" mentioned in the present embodiment may be at least one of mounting, fixing, and connecting, and therefore, the "setting" will not be explained accordingly in the following of the present embodiment.

The inventor of the invention finds that the problems that the existing wiring terminal is short in service life and not durable are easily caused, the existing wiring terminal is often pressed by a handle 500 against a spring part in the wiring terminal, such as a spring plate structure 200, so that the handle 500 is matched with a corresponding butt joint part (such as a buckle and the like), and the spring plate structure 200 is deformed, thereby clamping and fixing the end part of a wire; when the end of the wire is detached, the handle 500 is separated from the corresponding abutting part, so that the spring part is restored to the original shape state from the elastic deformation state, and the end of the wire is loosened and separated from the terminal; in the process of separating the handle 500 from the corresponding butting component, the handle 500 suddenly acts from a static state under the action of the spring component to generate huge impact, and then the handle 500 collides with the terminal body after rotating or swinging, so that the continuous movement of the terminal is prevented; such sudden movement and sudden rest of the handle 500 may cause a great impact on the handle 500 and the terminal body, and thus may greatly affect the durability of the terminal, and thus may reduce the lifespan of the terminal.

Referring to fig. 1 to 11, based on the above findings of the inventor of the present invention, the present embodiment proposes a connection terminal provided with a stepped release handle, including:

a housing assembly 100;

the elastic sheet structure 200 is arranged in the shell assembly 100, and the elastic sheet structure 200 is used for clamping the end part 300 of the wire;

an elongated guide structure 400 disposed at the top of the housing assembly 100, the elongated guide structure 400 being adapted to elastically deform;

a handle 500 movably connected to the housing assembly 100, the handle 500 cooperating with the elongated guide structure 400, the handle 500 being adapted to move along the elongated guide structure 400, the handle 500 being adapted to deform the resilient tab structure 200;

a plurality of limit structure 600 is connected with rectangular shape guide structure 400 respectively, and a plurality of limit structure 600 set up along rectangular shape guide structure 400's extending direction, and a plurality of limit structure 600 are used for blockking handle 500 and remove along rectangular shape guide structure 400.

When the wire connecting device is used, the handle 500 can always reciprocate along the strip-shaped guide structure 400, so that the corresponding elastic sheet structure 200 is driven to clamp the end part 300 of the wire, and when the end part of the wire is separated from the wire connecting terminal, the handle 500 acts in the reverse direction, although the elastic sheet structure 200 can generate corresponding impact action on the handle 500; however, the elongated guide structure 400 limits the movement of the handle 500, thereby reducing the impact force on the handle 500; next, a plurality of position-limiting structures 600 are arranged along the extending direction of the elongated guide structure 400, and the handle 500 is prevented from moving along the elongated guide structure 400, and the elongated guide structure 400 is suitable for elastic deformation, so that when the handle 500 passes through the position-limiting structures 600, the elongated guide structure 400 is elastically deformed, and the position-limiting structures 600 and the elongated guide structure 400 are elastically deformed; therefore, on the one hand, the handle 500 can smoothly continue to move along the elongated guide structure 400, and on the other hand, in the process of pushing the limiting structure 600 through the handle 500, the limiting structure 600 plays a role in retarding and decelerating the handle 500, so that the impact force of the handle 500 in the moving process along the elongated guide structure 400 is further reduced, and the handle 500 can stably move in the releasing process of the elastic sheet structure 200. Like this, through rectangular shape guide structure 400 to the restriction of handle 500 migration range, and a plurality of limit structure 600, handle 500 and rectangular shape guide structure 400 three mutually support, realized handle 500 release step by step, also be one by one through a plurality of limit structure 600 to fully absorb the impact force that shell fragment structure 200 kick-backed, thereby make handle 500 remove steadily, thereby prolong binding post's life.

Referring to fig. 2 and 6, preferably, the elongated guide structure 400 is an elongated through hole or an elongated groove; as long as the elongated guide structure 400 can limit the moving track of the handle 500. The elongated guide structure 400 extends from the front end of the housing assembly 100 to the rear end of the housing assembly 100.

The housing assembly 100 may be made of plastic, so that the elongated guide structure 400 is elastically deformed by an external force.

The handle 500 is provided with a first protrusion structure 510, the first protrusion structure 510 is connected with the body of the handle 500, the first protrusion structure 510 is held in the elongated guide structure 400, and the first protrusion structure 510 is adapted to reciprocate along the elongated guide structure 400;

the plurality of position-limiting structures 600 are each a second protruding structure, and the second protruding structure is adapted to block the first protruding structure 510 from moving along the elongated guiding structure 400.

The elongated guide structure 400 in this embodiment is a first elongated through hole or an elongated groove, which is convenient for manufacturing, especially for injection molding in sequence when the housing assembly 100 is made of plastic.

In addition, the limiting effect on the handle 500 is better by using the long-strip-shaped through hole and the long-strip-shaped groove body relative to other limiting structures 600, so that the impact force can be reduced as much as possible.

Moreover, the matching of the strip-shaped through hole and the strip-shaped groove body with the handle 500 is convenient, and the installation by an assembler can be facilitated.

Referring to fig. 2, preferably, the housing assembly 100 includes a first housing 110 and a second housing 120;

the elongated guide structure 400 is an elongated guide hole 410 respectively formed at the top of the first housing 110 and the top of the second housing 120, and the elongated guide hole 410 extends along an arc line;

a plurality of second protruding structures are arranged in each elongated guiding hole 410;

the first protrusion structures 510 are two and are respectively disposed in the corresponding elongated guide holes 410.

The handle 500 and the spring structure 200 can be conveniently mounted by adopting the two housings of the first housing 110 and the second housing 120.

Referring to fig. 2 and 3, preferably, connecting shafts 530 are protruded outwardly from opposite sides of the body of the handle 500;

the first shell 110 and the second shell 120 are both provided with mounting holes 130, the mounting holes 130 are rectangular, the connecting shaft 530 is arranged in the mounting holes 130 of the first shell 110 and the second shell 120, and the mounting holes 130 are positioned below the elongated guide holes 410;

the spring structure 200 is a V-shaped bent strip-shaped plate-shaped structure, the spring structure 200 is located below the handle 500, two ends of the spring structure 200 are both arranged toward the front side of the housing assembly 100, the bent portion of the spring structure 200 is arranged near the rear side of the housing assembly 100,

the handle 500 includes a third protrusion structure 520, the third protrusion structure 520 is connected to the front end of the handle 500, the first protrusion structure 510 is disposed above the connecting shaft 530 and the third protrusion structure 520,

one end of the spring structure 200 located at the top of the spring structure 200 is provided with a first concave portion 210, the third convex structure 520 is suitable for being arranged in the first concave portion 210, and one end of the spring structure 200 is suitable for being abutted against the end 300 of the wire.

Here, the mounting holes 130 are rectangular, and the connecting shafts 530 of the handles 500 are mounted in the corresponding mounting holes 130, so that the handles 500 can be rotated about the connecting shafts 530 and also can be reciprocally moved along the length direction of the mounting holes 130, thereby allowing the handles 500 to be rotated and moved in the mounting holes 130, thereby allowing the handles 500 to have more movement patterns. This has the advantages that, on one hand, the handle 500 can flexibly move in a narrow space in the housing assembly 100 through various movement forms of the handle 500, so as to satisfy the compression and release of the spring structure 200; on the other hand, the mounting hole 130 is a rectangular structure, so that the connecting shaft 530 can move along the length direction of the mounting hole 130, the impact force of the elastic sheet structure 200 on the handle 500 in the releasing process is reduced, a certain impact resistance force is formed by the end of the mounting hole 130 on the movement of the handle 500, and the situation that the impact force rebounded by the elastic sheet is completely transmitted to the end of the elongated guide structure 400 under the condition that the movement of the handle 500 is completely swinging is avoided.

The third protruding structure 520 at the front end of the handle 500 can correspondingly swing downwards by swinging the rear end of the handle 500, so that one end of the spring structure 200 is pressed downwards, the spring structure 200 is deformed, and when the third protruding structure 520 is placed in the first concave part 210, the third protruding structure 520 blocks the spring structure 200; at this time, the end of the wire is inserted into the housing assembly 100, and then the handle 500 is swung in the reverse direction, so that the third protrusion structure 520 is separated from the first recess 210, thereby allowing one end of the spring structure 200 to rebound, allowing one end of the spring structure 200 to clamp the end of the wire, and allowing one end of the spring structure 200 to rebound during the process, thereby generating an impact on the third protrusion structure 520, and the first protrusion structure 510 is disposed above the connecting shaft 530 and the third protrusion structure 520, and the first protrusion structure 510 is disposed in the elongated guide hole 410, thereby the first protrusion structure 510 can only move in the elongated guide hole 410 under the limitation of the elongated guide hole 410.

In this way, the third protrusion structure 520, the first recess 210, the first protrusion structure 510 and the elongated guide hole 410 form a linkage effect, thereby allowing the handle 500 to be released in stages.

In addition, the housing assembly 100 of the present embodiment may include two first housings 110 and one second housing 120, and the left side surface of one first housing 110 is covered on the first recess 210 of the other first housing 110, and the second housing 120 is covered on the first recess 210 of one first housing 110.

Referring to fig. 6, preferably, the second projection structure is provided at the top in the elongated guide hole 410. As can be seen from the above, in the process that the third protrusion structure 520 moves along the elongated guide hole 410, the top of the elongated guide hole 410 mainly limits the third protrusion structure 520, and the top of the second protrusion structure disposed in the elongated guide hole 410 can be fully matched with the elongated guide hole 410, so as to sufficiently limit and decelerate the third protrusion structure 520.

Referring to fig. 6, preferably, a cavity structure 111 is formed on the right side surface of the first housing 110, the second housing 120 is a plate-shaped structure and is adapted to cover the cavity structure 111, a fourth protrusion structure 112 and a fifth protrusion structure 113 are disposed in the cavity structure 111, the spring structure 200 is disposed in the cavity structure 111, the fourth protrusion structure 112 and the inner side wall of the cavity structure 111 are disposed in a gap, a bending portion of the spring structure 200 is disposed between the fourth protrusion structure 112 and the inner side wall of the cavity structure 111, the fifth protrusion structure 113 is disposed between two ends of the spring structure 200, and the fifth protrusion structure 113 is used for limiting a swing range of the two ends of the spring structure 200.

The bent part of the spring plate structure 200 is limited by the side walls of the fourth protrusion structure 112 and the cavity structure 111, so that the spring plate structure 200 is conveniently and fixedly mounted on the cavity structure 111, and the bent part of the spring plate structure 200 only needs to be inserted between the fourth protrusion structure 112 and the inner side wall of the cavity structure 111; meanwhile, the fifth protrusion structure 113 is disposed between the two ends of the elastic sheet structure 200, so that the rotation range of one end of the elastic sheet structure 200 can be limited, and the one end of the elastic sheet structure 200 is prevented from being swung too much and being plastically deformed, so that the elastic sheet structure cannot rebound.

In addition, the rear side surface of the first casing 110 is provided with a wire through hole 114, the wire through hole 114 is communicated with the cavity structure 111, and the end portion of the wire is inserted into the wire through hole 114 and then matched with one end of the elastic sheet structure 200, so that the end portion of the wire is clamped.

Referring to fig. 3, preferably, the terminal provided with the stepped release handle further includes a conductive member 700, the conductive member 700 being interposed between the first housing 110 and the second housing 120,

the conductive member 700 includes a clamping plate 710, a connection plate 720 and a base 730,

both ends of the spring structure 200 are disposed toward the front side of the housing assembly 100, one end of the spring structure 200 is located above the other end thereof,

the base 730 is connected with the other end of the spring structure 200, the clamping plate 710 is disposed on the top of one end of the spring structure 200, the clamping plate 710 is connected with the base 730 through the connecting plate 720, and the base 730 extends out of the first housing 110 and the second housing 120. The clamping of the end of the wire is achieved by the clamping plate 710 cooperating with one end of the spring structure 200.

Through setting up shell fragment structure 200 completely inside electrically conductive part 700, make shell fragment structure 200 restrict between base 730 and splint 710 to the resilience scope of restriction shell fragment structure 200 avoids shell fragment structure 200 to kick back too big and produce the impact to cavity structure 111 like this, thereby guarantees that first casing 110 is more durable.

Referring to fig. 4, preferably, the bottom surface of the clamping plate 710 is provided with a plurality of anti-slip grooves 711, and the end 300 of the wire is adapted to be disposed between the clamping plate 710 and the top of the spring structure 200;

base 730 includes first platelike piece 731 and two fillets 732, first platelike piece 731 buckles to the channel-section steel structure, first through-hole 7311 has been seted up to a lateral wall of channel-section steel structure, rectangular shape through-hole 7312 of second has been seted up to another lateral wall of channel-section steel structure, rectangular shape through-hole 7312 of second and channel-section steel structure's tip intercommunication, one side of the other end of shell fragment structure 200 is provided with sixth protruding structure 220, first through-hole 7311 is arranged in to sixth protruding structure 220, the opposite side edge of the other end of shell fragment structure 200 sets up in the rectangular shape through-hole 7312 of second, the one end and the channel-section steel structural connection of fillet 732, the other end of fillet 732 passes and stretches out first casing 110 and second casing 120.

The terminal of the present invention is configured to perform a wire connection function by connecting the two solder legs 732 to the corresponding other electrical components by the two solder legs 732 penetrating and protruding through the first housing 110 and the second housing 120.

The rear end surface of the connecting plate 720 is recessed forward to form a relief groove 721, the third protrusion 520 is located behind the connecting plate 720, and the third protrusion 520 is spaced apart from the relief groove 721.

First, a plurality of anti-slip grooves 711 are formed through the bottom surface of the clamping plate 710, and the end 300 of the wire is adapted to be disposed between the clamping plate 710 and the top of the spring structure 200, so as to increase the friction force of the clamping plate 710 on the contact of the end of the wire, thereby preventing the end of the wire from coming loose from the bottom surface of the clamping plate 710.

Secondly, the first plate-shaped piece 731 is bent into a channel steel structure, so that the other end of the elastic sheet structure 200 is conveniently limited, and on the basis, the elastic sheet structure 200 and the first plate-shaped piece 731 are accurately positioned by arranging the sixth protrusion structure 220 in the first through hole 7311; moreover, the second elongated through hole 7312 is communicated with the end of the channel steel structure, so that the edge of the other side of the other end of the spring plate structure 200 can smoothly enter the second elongated through hole 7312, and the other side of the other end of the spring plate structure 200 is limited by the second elongated through hole 7312. The second elongated through hole 7312 is communicated with the end of the channel steel structure, so that the other end of the spring structure 200 can be conveniently and smoothly assembled with the first plate-shaped part 731, thereby reducing the difficulty in assembling the spring structure 200 and the base 730.

Finally, the receding groove 721 is disposed on the rear end surface of the connecting plate 720 and recessed forward, so as to prevent the connecting plate 720 from moving and interfering with the rotation of the third protruding structure 520, so that the third protruding structure 520 is locked and the handle 500 cannot swing, and thus the third protruding structure 520 and the receding groove 721 are disposed at a distance.

It should be noted that the conductive member 700 is made of a conductive material, such as copper, and the spring structure 200 is also made of a conductive material.

Referring to fig. 3 and 4, preferably, the conductive member 700 may be integrally bent from a single plate. This may reduce the difficulty of manufacturing the conductive member 700.

Referring to fig. 3 and 4, preferably, the two side plate surfaces of the connecting plate 720 are respectively arranged towards the left and the right, the outer plate surface of the connecting plate 720 is a stepped surface, and the top of the outer plate surface of the connecting plate 720 is located at the left side of the bottom of the outer plate surface of the connecting plate 720. The end 300 of the wire is located to the left of the connection plate 720.

The top of the outer plate surface passing through the connection plate 720 is located at the left side of the bottom of the outer plate surface of the connection plate 720, and the end 300 of the wire is located at the left side of the connection plate 720. The connection plate 720 is abutted against the end 300 of the lead to prevent the end 300 of the lead from shaking left and right in the housing assembly 100, thereby ensuring the firm connection of the end 300 of the lead in the terminal.

Referring to fig. 2 and 7, preferably, the top of the right side of the first housing 110 protrudes relative to the bottom of the right side thereof as a first step surface 115, the bottom of the left side of the second housing 120 protrudes relative to the top of the left side thereof as a second step surface 121, and the right side of the first housing 110 abuts against the left side of the second housing 120.

By the mutual matching of the first step surface 115 and the second step surface 121, on one hand, the positioning firmness in the assembling process of the first shell 110 and the second shell 120 can be ensured; this is achieved by the first step surface 115 and the second step surface 121 engaging with each other to form a complementary effect.

More importantly, the first step surface 115 and the second step surface 121 are matched with each other, so that the width of the spring structure 200 is increased as much as possible, and the connection strength of the bent part of the spring structure 200 is improved.

Referring to fig. 2 and 3, preferably, the handle 500 further includes a pressing part 540, the pressing part 540 is located at the rear side of the handle 500, the left and right sides of the pressing part 540 are oppositely provided with second depressed parts 541,

the tops of the first shell 110 and the second shell 120 are respectively provided with a seventh protruding structure 130, the two seventh protruding structures 130 are arranged oppositely, the pressing part 540 is arranged between the two seventh protruding structures 130, and the seventh protruding structures 130 are suitable for being placed in the second recessed part 541.

The second recess 541 is matched with the seventh protrusion 130 to limit and fix the pressing part 540 of the handle 500, so as to prevent the handle 500 from loosening.

In this embodiment, the number of the limiting structures 600 is preferably three, and the limiting structures are respectively disposed at a position close to the front end of the elongated guide hole 410, a position close to the rear end of the elongated guide hole 410, and a middle of the elongated guide hole 410.

Referring to fig. 6 and 9, in addition, an eighth protrusion 550 is disposed on the top of the front end of the body of the handle 500, the top of the first housing 110 is recessed to the left near the right side of the elongated guide hole 410 to form a third recess 140, the third recess 140 is communicated with the cavity 111, the body of the handle 500 is disposed in the third recess 140, the third recess 140 is disposed at the front end of the first housing 110 and provided with a blocking eave 141, when the third protrusion 520 is disposed in the first recess 210, the handle 500 is disposed at the front end of the elongated guide hole 410, and the eighth protrusion 550 is disposed below the blocking eave 141. At this time, the first protrusion 510 is disposed between the front limiting structure 600 and the front end of the elongated guiding hole 410, so that the first protrusion 510 is limited by the front limiting structure 600 and the elongated guiding hole 410.

Moreover, the blocking eave 141 is matched with the eighth protrusion structure 550, so that the elastic sheet structure 200 is prevented from generating an excessively strong upward elastic force on the third protrusion structure 520 due to an excessively large elastic force, and therefore the blocking eave 141 is matched with the eighth protrusion structure 550 to play a role of double locking.

In addition, referring to fig. 8 to 11, the end 300 of the wire may be installed by first pushing the handle 500 forward, so that the third protruding structure 520 pushes one end of the elastic sheet structure 200 downward until the third protruding structure 520 is clamped in the first recess 210, at this time, the eighth protruding structure 550 is also clamped at the eaves 141, at this time, a maximum distance is reached between one end of the elastic sheet structure 200 and the clamping plate 710, and the first protruding structure 510 is disposed between the limiting structure 600 at the front end and the front end of the elongated guide hole 410.

Then the end 300 of the wire is inserted between one end of the spring structure 200 and the clamping plate 710;

then, the handle 550 is pushed backward to separate the third protrusion 520 from the first recess 210, in the process, the first protrusion 510 always moves along the elongated guide hole 410 and sequentially passes through the middle position-limiting structure 600, and in the process, one end of the spring structure 200 is lifted upward and matched with the clamping plate 710 to clamp the end 300 of the wire.

Finally, the handle 500 is pressed backwards and placed between the limiting structure 600 at the rear end and the rear end of the elongated guide hole 410, and at this time, the two seventh protruding structures 130 of the first shell 110 and the second shell 120 are respectively placed in the two second recessed portions 541 of the pressing portion 540, so that the handle 500 is locked with the first shell 110 and the second shell 120.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.