CN113422224A

CN113422224A - Connecting device

Info

Publication number: CN113422224A
Application number: CN202110706367.5A
Authority: CN
Inventors: 李继树; 潘海滨; 郑忠宇; 邓卓奇; 王丽萍; 李志诚; 曾刚; 范朝旭; 郭嘉荣; 何志存; 欧阳舒卉
Original assignee: Guangdong Power Grid Co Ltd; Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-09-21
Anticipated expiration: 2041-06-24
Also published as: CN113422224B

Abstract

The invention discloses a connecting device, and belongs to the field of power maintenance equipment. The connecting device comprises a body and a connecting terminal, the connecting terminal is arranged on the body and comprises a first terminal and a second terminal, the first terminal comprises a nut and a first pressing sheet, the first pressing sheet is connected with one end of a lead, a through hole in the first pressing sheet is used for a first bolt to pass through, and the nut is in threaded connection with the first bolt after passing through the through hole so as to realize the electric connection between the first terminal and a first part to be connected; the other end of the wire is arranged in the accommodating channel of the second terminal, the side wall of the accommodating channel is provided with a yielding hole, and the fastener can penetrate through the yielding hole and then is connected with the wire in a crimping mode so as to achieve electric connection between the second terminal and the second standby connecting piece. The connecting device not only simplifies the connecting process and improves the connecting efficiency, but also improves the stability of the first to-be-connected part and the second to-be-connected part and the connecting device, thereby improving the connecting effect.

Description

Connecting device

Technical Field

The invention relates to the technical field of electric power, in particular to a connecting device.

Background

When measuring the electricity consumption of a user, a current transformer or/and a voltage transformer needs to be connected in series in a line needing to be measured by using a wire. Because current transformer or voltage transformer's binding post includes the bolt, in order to realize that the wire links to each other with the fixed of bolt, need make the ring form with the one end of wire, the cover is located on the bolt, and the top of wire is equipped with the nut with the crimping wire to realize wire and current transformer or voltage transformer's electricity and be connected. The wiring hole is formed in the wiring box, the other end of the wire is arranged in the wiring hole, and the wire is pressed tightly after the other bolt penetrates through the wiring hole so as to realize the electric connection of the wire and the wiring box, so that the current transformer or/and the voltage transformer are connected with the wiring box.

However, the wiring process is complex, the connection efficiency of the current transformer or/and the voltage transformer connected into a line is reduced, and the connection of the current transformer or/and the voltage transformer and the junction box only depends on the butting of the nut and the bolt to the lead, so that the connection stability is reduced.

Therefore, it is desirable to provide a connecting device to solve the above problems.

Disclosure of Invention

The invention aims to provide a connecting device, which solves the problems of low connecting efficiency and unreliable connection of a current transformer or/and a voltage transformer and a junction box, thereby improving the connecting efficiency and the connecting stability.

In order to realize the purpose, the following technical scheme is provided:

a connecting device is used for connecting a first to-be-connected piece and a second to-be-connected piece, wherein the first to-be-connected piece is provided with a first bolt; the second is treated the connecting piece and is equipped with the fastener, includes:

the body is internally provided with an accommodating through groove for accommodating a lead;

connecting terminal locates on the body, include:

the first terminal comprises a first crimping piece, the first crimping piece is connected with one end of the lead, and the first crimping piece is provided with a through hole for the first bolt to pass through; the nut is in threaded connection with the first bolt after penetrating through the through hole;

the second terminal is equipped with in the passageway of holding, it is equipped with in the passageway to hold the other end of wire, it steps down the hole to be equipped with on the lateral wall of passageway to hold, the fastener can pass step down behind the hole crimping the wire.

As an alternative to the above connecting device, the first terminal further includes a first hook; the first hook piece extends vertically from the first compression joint piece, and a bent hook is formed at the other end of the first hook piece; the nut is provided with an annular yielding groove along the circumferential direction of the inner side wall of the nut, and the hook is clamped on the groove wall of the yielding groove.

As an alternative to the above-mentioned connecting device, the circumferential outer side wall of the nut is provided with a handle.

As an alternative to the above-described attachment means, the handle is a foldable member.

As an alternative to the above-described connecting device, the second terminal further includes two curved second crimping pieces, the intrados of the two curved second crimping pieces being opposed to each other to form the receiving passage; the second is treated the connecting piece and is still included the wiring hole, the wiring hole confession the second terminal inserts, be equipped with the third crimping piece on the inner wall in wiring hole, the second crimping piece is configured to have the trend of motion that is close to the third crimping piece all the time.

As an alternative of the above connecting device, the second to-be-connected component includes two fastening pieces, and the yielding holes are arranged in one-to-one correspondence with the fastening pieces.

As an alternative of the above-mentioned connecting device, the second crimping pieces include first ends and second ends, a first gap is formed between the first ends of the two second crimping pieces, and a second gap is formed between the second ends of the two second crimping pieces; two the second crimping piece for first space symmetry is equipped with the arc groove of stepping down, in order to form the hole of stepping down.

As an alternative to the above connecting device, the second terminal further includes a hooking mechanism, and the hooking mechanism includes:

a drive member;

one end of the second hook piece is arranged at the output end of the driving piece, the other end of the second hook piece is provided with the hook groove, and the hook groove is arranged in the accommodating channel and is used for the fastening piece to pass through; the driving piece can drive the second hook piece to rotate in the accommodating channel.

As an alternative of the above connecting device, a rotating shaft is arranged in the second terminal along the vertical direction, the rotating shaft is provided with a first protrusion and a second protrusion along the axial direction at intervals, the driving member is provided with a first groove, the first protrusion is inserted into the first groove, the second hook member is provided with a second groove, and the second protrusion is inserted into the second groove.

As an alternative of the above connection device, the second terminal further includes a hooking body, the two second crimping pieces are disposed at one end of the hooking body, a first through groove and a second through groove are disposed in the hooking body, the first through groove is communicated with the accommodating channel, the connecting end of the second hooking piece is disposed in the first through groove, and the end of the second hooking piece, which is provided with the hooking groove, is disposed in the accommodating channel; the second through groove is communicated with the outside, the driving end of the driving piece is arranged in the second through groove, and the other end of the driving piece is arranged outside the second through groove; the rotating shaft is arranged at the intersection of the first through groove and the second through groove.

Compared with the prior art, the invention has the beneficial effects that:

the connecting device is provided with the connecting terminal on the body so as to connect the first to-be-connected piece and the second to-be-connected piece. The connecting terminal comprises a first terminal, the first terminal comprises a first pressing sheet and a nut, the first pressing sheet is connected with one end of the lead, the first pressing sheet is provided with a through hole for a first bolt to pass through, and the nut is in threaded connection with the first bolt after passing through the through hole so as to realize the electric connection between the first to-be-connected piece and the first terminal; connecting terminal still includes the second terminal, is equipped with in and holds the passageway, holds the other end that is equipped with the wire in the passageway, is equipped with the hole of stepping down on the lateral wall that holds the passageway, and the fastener can pass the hole of stepping down back crimping wire to realize that the second treats the electric connection between connecting piece and the second terminal. The connecting device has the advantages that the two ends of the lead are respectively connected with the first to-be-connected part and the second to-be-connected part through the arrangement of the first terminal and the second terminal, so that the connecting process is simplified, and the connecting efficiency is improved; nut and the first bolt spiro union that passes first crimping piece in the first terminal, fastener can pass crimping wire behind the hole of stepping down in the second terminal, has improved the first steadiness that treats that connecting piece, second treat that connecting piece and connecting device are connected respectively to the connection effect has been improved.

Drawings

FIG. 1 is a schematic structural diagram of a connecting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first terminal according to an embodiment of the present invention;

FIG. 3 is a schematic view of a handle according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a second terminal under a first viewing angle in an embodiment of the present disclosure;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic diagram of a second terminal at a second viewing angle in an embodiment of the invention

Fig. 7 is a sectional view taken along line B-B in fig. 6.

Reference numerals:

1. a body; 2. a connection terminal; 3. a fastener; 4. a wire;

21. a first terminal; 211. a nut; 2111. a yielding groove; 2112. a receiving groove; 212. a first crimping piece; 2121. a through hole; 213. a first hook; 2131. hooking; 214. a handle; 2141. a first handle; 2142. a second handle; 2143. a hinge shaft; 2144. clamping the bulges; 22. a second terminal; 221. a hooking mechanism; 2211. a drive member; 2212. a second hook; 2213. hooking a groove; 2214. a rotating shaft; 2215. a locking member; 222. a second crimping piece; 2221. a receiving channel; 2222. a hole of abdication; 223. hooking the body; 2231. a first through groove; 2232. a second through groove; 2233. an accommodation hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The connecting device is applied to the line connection of a current transformer, a voltage transformer and a junction box and is used for connecting a first to-be-connected part and a second to-be-connected part. The first to-be-connected part can be one or both of a current transformer and a voltage transformer; the second component to be connected may be a junction box. In the actual connection process, the wires are separated after passing through the junction box, so that the current transformer and the voltage transformer are connected in a circuit, and in order to ensure the connection reliability among the current transformer, the voltage transformer and the junction box, the number of second terminals electrically connected with the junction box in the connection device is equal to the sum of the number of first terminals connected with the current transformer and the number of first terminals connected with the voltage transformer. For example, the first terminals connected to the current transformers in the connection device may be six, the first terminals connected to the voltage transformers may be four, and correspondingly, the second terminals may be ten.

Example one

The connecting device provided by the embodiment is used for connecting a first to-be-connected part and a second to-be-connected part, and the first to-be-connected part is provided with a first bolt; the second part to be connected is provided with a fastening piece 3. As shown in fig. 1, the connecting device in the present embodiment includes a body 1 and a connecting terminal 2. The connection terminals 2 protrude from the side of the body 1 to be electrically connected with different members to be connected. In this embodiment, the connecting device can connect the current transformer and the voltage transformer to the junction box simultaneously, so that three groups of connecting terminals 2 are provided, respectively on different sides of the main body 1. The body 1 is provided with a holding through groove for holding the lead wire 4. The wires 4 electrically connect different sets of the connection terminals 2 to achieve electric conduction.

Referring to fig. 1, the body 1 may be generally divided into three regions, each accommodating a wire connected to a different connection terminal. In an alternative embodiment, the body 1 may be divided into different spaces with partitions therebetween to prevent a chain reaction caused by a fire from occurring at different connection terminals. The connection terminal 2 includes a first terminal 21 and a second terminal 22. In the present embodiment, the first terminal 21 is a terminal connected to one or both of a current transformer and a voltage transformer, and the second terminal is a terminal connected to a junction box.

Referring to fig. 2, the first terminal 21 includes a nut 211 and a first crimping piece 212. Alternatively, the first crimping piece 212 is integrally formed in a sheet shape, which may be made of a material having good ductility, such as copper or aluminum, or may be made of a non-conductive material, and has an electric conductor embedded therein. Manufacturing means may include, but are not limited to, forging, casting, and stretch forming. One end of the first pressing piece 212 extends into the main body 1 and is electrically connected to one end of the wire 4, and the other end is provided with a through hole 2121, through which a first bolt of a first to-be-connected component can pass through the through hole 2121. The nut 211 is screwed with the first bolt passing through the through hole 2121 to fixedly connect the first to-be-connected member with the first terminal 21. In this way, the electrical connection of the first member to be connected to the wire 4 is achieved by the first bolt and the first terminal 21. With continued reference to fig. 2, optionally, the first terminal 21 further includes a first hook 213. The first hook 213 extends perpendicularly from the first pressing piece 212, and the other end forms a hook 2131. The nut 211 is provided with an annular yielding groove 2111 along the circumferential direction of the inner side wall thereof, and the hook 2131 is clamped on the groove wall of the yielding groove 2111, so that the nut 211 is rotationally connected with the first compression joint piece 212. When the nut 211 is rotated, the nut 211 moves up and down on the bolt in the axial direction thereof, and due to the arrangement of the annular relief groove 2111, the first crimping piece 212 does not rotate with the rotation of the nut 211, but moves up and down with the nut 211, so that the position of the first crimping piece 212 on the bolt is determined by the nut 211, and the stability of the connection between the first terminal 21 and the first to-be-connected member is improved. Further alternatively, the wire 4 and the first crimping pieces 212 are connected by welding to avoid a weak connection between the wire 4 and the first crimping pieces 212, thereby improving the reliability of the connection. In this embodiment, the connection manner between the first crimping piece 212 and the first hook 213 is not limited too much, as long as the fixed connection between the two can be realized. Further optionally, the first terminal 21 is provided with a plurality of first terminals 21, and the plurality of first terminals 21 and the first bolt are arranged in a one-to-one correspondence manner, so as to realize effective connection between the first terminal 21 and the first to-be-connected component. Further optionally, different pigments are coated on the nuts 211 of the plurality of first terminals 21 and/or different numbers are coated on the nuts 211 of the plurality of first terminals 21, and each phase sequence corresponds to one pigment and/or one number, so that workers can connect accurately, and the connection efficiency and the connection accuracy are further improved.

Referring to fig. 2 and 3, further optionally, a handle 214 is provided on a circumferential outer side wall of the nut 211 to facilitate a worker to apply force to the nut 211 to rotate the nut 211. With continued reference to fig. 2 and 3, further alternatively, the handle 214 is a foldable member, which reduces the space occupied by the handle 214, thereby avoiding interference between the handles 214 on the sets of nuts 211.

Specifically, the sidewall of the nut 211 is provided with a receiving groove 2112 along an axial line, the handle 214 includes a first handle 2141 and a second handle 2142, the first handle 2141 and the second handle 2142 are connected through a hinge 2143, the first handle 2141 is fixedly arranged in the receiving groove 2112, and the second handle 2142 can rotate along the hinge 2143 to realize the expansion and folding of the handle 214. Further optionally, the handle 214 further comprises a locking member for fixing an angle between the second handle 2142 and the first handle 2141, thereby maintaining the shape of the handle 214 to prevent the handle 214 from being deformed when an external force is applied to the handle 214. When the second handle 2142 is rotated by a certain angle around the hinge axis 2143 in a direction away from the receiving groove 2112, the second handle 2142 is locked by the locking member, the distance between the second handle 2142 and the first handle 2141 is determined, and the shape of the handle 214 is fixed, so that an external force can be applied to the handle 214. When folded, the locking member is released, such that the second handle 2142 is rotated around the hinge axis 2143 in a direction approaching the receiving groove 2112 until the second handle 2142 is disposed in the receiving groove 2112, and the second handle 2142 is re-locked, such that the handle 214 is folded. Further optionally, a gap is left between the first handle 2141 and the receiving groove 2112 to form a clamping groove, one end of the second handle 2142, which is away from the hinge shaft 2143, is provided with a clamping protrusion 2144, and the clamping protrusion 2144 can be inserted into the clamping groove, so that the second handle 2142 is received in the receiving groove 2112. Specifically, in the present embodiment, the first handle 2141 is welded to the wall of the receiving slot 2112, so as to achieve the fixed connection of the first handle 2141 in the receiving slot 2112. In other embodiments, the first handle 2141 may be absent, a snap groove formed in the receiving groove 2112, and the second handle 2142 snap into the snap groove in the receiving groove 2112. Or may be fixedly connected to the wall of the receiving slot 2112 in other manners, which does not limit the connection manner therebetween.

In other embodiments, the handle 214 includes a third handle and a fourth handle, a first receiving hole is formed at one end of the third handle, and the nut 211 is fixedly inserted into the first receiving hole, so as to fixedly connect the nut 211 and the handle 214. The other end of third handle rotates with the fourth handle and links to each other, and the one end that the third handle was kept away from to the fourth handle is equipped with the second and holds the hole, and the nut 211 can be established to the second holds the hole to realize the folding of handle 214. As shown in fig. 4 and 6, which show schematic structural diagrams of the second terminal in the embodiment of the present invention. Be equipped with in the second terminal 22 and hold passageway 2221, hold the other end that is equipped with wire 4 in the passageway 2221, be equipped with the hole of stepping down 2222 on the lateral wall that holds passageway 2221, fastener 3 can pass the hole of stepping down 2222 back crimping wire 4, when having realized that second terminal 22 respectively with wire 4, the second treats that the connecting piece is connected between, has improved the steadiness that second terminal 22 and second treat that the connecting piece is connected between. The second member to be connected further includes a wiring hole into which the second terminal 22 is inserted. The side wall of the wiring hole is provided with a connecting hole, and the fastener 3 sequentially penetrates through the connecting hole and the abdicating hole 2222 to realize the connection between the second to-be-connected piece and the second terminal 22. Further optionally, the offset holes 2222 are provided in a one-to-one correspondence with the fasteners 3 to ensure that each fastener 3 in the second member to be connected can be inserted into the offset hole 2222. In this embodiment, the second member to be connected includes two fastening members 3, and thus the relief hole 2222 is also provided with two.

Optionally, the second terminal 22 further includes two arc-shaped second crimping pieces 222, and the intrados of the two arc-shaped second crimping pieces 222 are opposite to each other to form the receiving passage 2221. The inner wall of the wire connection hole is provided with a third pressing piece, and the second pressing piece 222 is configured to have a movement trend close to the third pressing piece all the time, so that the second pressing piece 222 is tightly connected with the third pressing piece, and the conduction between the second terminal 22 and the second to-be-connected component is realized. The inner diameter of the wire connection hole is larger than the outer diameter of the receiving passage 2221 in the balanced state, and when the second terminal 22 is inserted into the wire connection hole, the two second press contact pieces 222 are subjected to pressing forces that cause them to approach each other, thereby generating elastic forces in the opposite directions to the pressing forces, and the two second press contact pieces 222 are subjected to the elastic forces to approach the third press contact pieces, thereby achieving tight connection of the second press contact pieces 222 and the third press contact pieces. The second crimping pieces 222 include first ends and second ends, and a first space is formed between the first ends of the two second crimping pieces 222 and a second space is formed between the second ends of the two second crimping pieces 222, leaving a sufficient space in which the two second crimping pieces 222 can be close to each other to ensure that the second terminals 22 can be smoothly inserted into the terminal holes.

As shown in fig. 6, further alternatively, the two second crimping pieces 222 are symmetrically provided with arc-shaped receding grooves with respect to the first gap to form a receding hole 2222. The lead 4 and the offset hole 2222 are aligned with each other so that the fastener 3 can be inserted through the offset hole 2222 and then press-fitted to the lead 4. Accordingly, the wire 4 is provided at the second gap of the two second crimping pieces 222, and the diameter of the wire 4 is larger than the width of the second gap, so that the wire 4 can be simultaneously brought into contact with the two second crimping pieces 222. At this time, the first end of the second pressing piece 2222 is in contact with the third pressing piece, and the second end is in contact with the wire 4, so that the electrical connection between the second terminal 22 and the second member to be connected is realized. In this embodiment, the fastening member 3 is a second bolt, and the groove wall of the abdicating groove is provided with a thread adapted to the second bolt.

The connecting device has the advantages that the two ends of the lead 4 are respectively connected with the first to-be-connected part and the second to-be-connected part through the arrangement of the first terminal 21 and the second terminal 22, so that the connecting process is simplified, and the connecting efficiency is improved; the nut 211 in the first terminal 21 is screwed with the first bolt passing through the first pressing piece 212, and the fastener 3 is inserted into the offset hole 2222 in the second terminal 22, so that the connection stability of the first to-be-connected member, the second to-be-connected member and the connecting device is improved, and the connecting effect is improved.

Example two

As shown in fig. 1 to 7, the present embodiment provides a connecting device, and compared with the first embodiment, the basic structure of the connecting device provided in the present embodiment is the same as that of the first embodiment, except that the present embodiment further includes a hooking mechanism 221.

Referring to fig. 5 and 7, optionally, the second terminal 22 further includes a hooking mechanism 221, the hooking mechanism 221 includes a driving element 2211 and a second hooking element 2212, one end of the second hooking element 2212 is disposed at the output end of the driving element 2211, the other end is provided with a hooking slot 2213, and the hooking slot 2213 is disposed in the accommodating channel 2221 for the fastening element 3 to pass through, so as to further improve the stability of the connection between the second member to be connected and the second terminal 21. The driving member 2211 can drive the second hook 2212 to rotate in the receiving channel 2221. When the second terminal 22 is connected to the second to-be-connected component, the second terminal 22 needs to be inserted into the wiring hole of the second to-be-connected component, the position of the second hooking component 2212 in the accommodating channel 2221 is adjusted by the hooking mechanism 221 so as to ensure that the hooking groove 2213 and the abdicating hole 2222 are on the same straight line, and finally the fastening component 3 is inserted so that the fastening component 3 is pressed on the wire 4 after sequentially passing through the second terminal 22 and the hooking groove 2213. The second hook 2212 is rotatably arranged in the accommodating passage 2221, so that the position of the hook 2213 in the accommodating passage 2221 can be adjusted, the position error of the hook 2213 caused by the production process is avoided, the condition that the fastener 3 cannot be hooked with the second hook 2212 is reduced, and the connecting effect between the second terminal 22 and the second to-be-connected component is further improved.

Specifically, be equipped with pivot 2214 along vertical direction in the second terminal 22, pivot 2214 is equipped with first arch and second arch along its axial interval, is equipped with first recess on the driving piece 2211, and first arch is inserted and is located in the first recess, is equipped with the second recess on the second colludes piece 2212, and the second arch is inserted and is located in the second recess. The driving member 2211 is driven to rotate, so as to drive the rotating shaft 2214 to rotate, thereby driving the second hook 2212 to rotate, so as to realize the rotation of the second hook 2212 in the accommodating passage 2221.

With reference to fig. 4-5, further optionally, the second terminal 22 further includes a hooking body 223, two second pressing sheets 222 are disposed at one end of the hooking body 223, a first through slot 2231 and a second through slot 2232 are disposed in the hooking body 223, the first through slot 2231 is communicated with the accommodating passage 2221, the connecting end of the second hook 2212 is disposed in the first through slot 2231, and one end of the second hook 2212, which is provided with the hook 2213, is disposed in the accommodating passage 2221; the second through slot 2232 is communicated with the outside, the driving end of the driving piece 2211 is arranged in the second through slot 2232, and the other end of the driving piece 2211 is arranged outside the second through slot 2232, so that a worker can rotate the driving piece 2211; the rotating shaft 2214 is disposed at the intersection of the first through groove 2231 and the second through groove 2232. Specifically, the first through groove 2231 and the second through groove 2232 are both wedge-shaped structures, and the smaller-sized ends of the first through groove 2231 and the second through groove 2232 intersect with each other, so as to facilitate the rotation of the driving member 2211 and the second hook 2212.

As shown in fig. 6-7, the hooking mechanism 221 further optionally comprises a locking member 2215, wherein the locking member 2215 is disposed at one end of the rotating shaft 2214 for locking the rotating shaft 2214, so as to prevent the second member 2212 from rotating in the receiving channel 2221 after hooking, thereby improving the stability of the connection between the second terminal 22 and the connecting device. Specifically, in this embodiment, the hooking body 223 is provided with a receiving hole 2233, the receiving hole 2233 is for the locking member 2215 to pass through, and the rotating shaft 2214 abuts against the locking member 2215 passing through the receiving hole 2233, so as to lock the rotating shaft 2214 by the locking member 2215. Further optionally, the locking member 2215 is a third bolt, and the inner wall of the receiving hole 2233 is provided with a thread adapted to the third bolt, so as to realize the movement of the locking member 2215 in the hooking body 223.

EXAMPLE III

As shown in fig. 1-7, the present embodiment provides a connecting device, and compared with the first embodiment and the second embodiment, the basic structure of the electrical connector provided in the present embodiment is the same as that of the first embodiment or the second embodiment, except for the structure of the driving member 2211 in the present embodiment.

Optionally, the drive member 2211 is a telescoping member. The other end of the driving member 2211 is disposed outside the second through-slot 2232, so that the driving member 2211 can be rotated by the operator, but since the main body 1 is provided with the plurality of second terminals 22, the driving member 2211 is made to be a retractable member, thereby preventing the driving member 2211 from interfering with the adjacent first terminals 21 when rotating.

It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A connecting device is used for connecting a first to-be-connected piece and a second to-be-connected piece, wherein the first to-be-connected piece is provided with a first bolt; the second is treated the connecting piece and is equipped with fastener (3), its characterized in that, connecting device includes:

the body (1) is internally provided with an accommodating through groove for accommodating a lead (4);

connecting terminal (2), locate on body (1), include:

a first terminal (21) including a first crimping piece (212), the first crimping piece (212) being connected to one end of the wire (4), the first crimping piece (212) being provided with a through hole (2121), the through hole (2121) being through which the first bolt passes; the nut (211) is in threaded connection with the first bolt after penetrating through the through hole (2121);

second terminal (22) is equipped with in and holds passageway (2221), be equipped with in holding passageway (2221) the other end of wire (4), be equipped with hole of stepping down (2222) on the lateral wall that holds passageway (2221), fastener (3) can pass press joint behind hole of stepping down (2222) wire (4).

2. The connection device according to claim 1, characterized in that the first terminal (21) further comprises a first hook member (213); the first hook piece (213) extends vertically from the first crimping piece (212), and the other end of the first hook piece forms a hook (2131); the nut (211) is provided with an annular yielding groove (2111) along the circumferential direction of the inner side wall of the nut, and the hook (2131) is clamped on the groove wall of the yielding groove (2111).

3. The connecting device according to claim 1, characterized in that a handle (214) is provided on a circumferential outer side wall of the nut (211).

4. A connection device according to claim 3, characterized in that the handle (214) is a foldable piece.

5. The connecting device according to claim 1, wherein the second terminal (22) further comprises two arc-shaped second crimping pieces (222), the intrados of the two arc-shaped second crimping pieces (222) being opposed to form the receiving passage (2221); the second to-be-connected member further includes a wire connection hole into which the second terminal (22) is inserted, a third crimping piece is provided on an inner wall of the wire connection hole, and the second crimping piece (222) is configured to always have a tendency of movement close to the third crimping piece.

6. The connection device according to claim 1, wherein the relief holes (2222) are provided in one-to-one correspondence with the fasteners (3).

7. The connecting device according to claim 5, wherein the second crimping pieces (222) include first ends and second ends, a first gap is formed between the first ends of the two second crimping pieces (222), and a second gap is formed between the second ends of the two second crimping pieces (222); two second crimping pieces (222) are symmetrically provided with arc-shaped yielding grooves relative to the first gap to form the yielding holes (2222).

8. The connection device according to claim 1, wherein the second terminal (22) further comprises an hooking mechanism (221), the hooking mechanism (221) comprising:

a driver (2211);

one end of the second hook piece (2212) is arranged at the output end of the driving piece (2211), the other end of the second hook piece is provided with a hook groove (2213), and the hook groove (2213) is arranged in the accommodating channel (2221) so as to allow the fastening piece (3) to pass through; the driving piece (2211) can drive the second hook piece (2212) to rotate in the accommodating channel (2221).

9. The connecting device according to claim 8, wherein a rotating shaft (2214) is vertically disposed in the second terminal (22), the rotating shaft (2214) has a first protrusion and a second protrusion spaced apart from each other along an axial direction of the rotating shaft, the driving member (2211) has a first groove, the first protrusion is inserted into the first groove, the second hook member (2212) has a second groove, and the second protrusion is inserted into the second groove.

10. The connecting device according to claim 9, wherein the second terminal (22) further comprises a hooking body (223), two of the second crimping pieces (222) are disposed at one end of the hooking body (223), a first through groove (2231) and a second through groove (2232) are disposed in the hooking body (223), the first through groove (2231) is communicated with the accommodating passage (2221), the connecting end of the second hook member (2212) is disposed in the first through groove (2231), and the end of the second hook member (2212) having the hook groove (2213) is disposed in the accommodating passage (2221); the second through groove (2232) is communicated with the outside, the driving end of the driving piece (2211) is arranged in the second through groove (2232), and the other end of the driving piece is arranged outside the second through groove (2232); the rotating shaft (2214) is arranged at the intersection of the first through groove (2231) and the second through groove (2232).