CN212230384U - Binding clip device of fuse switch and fuse switch thereof - Google Patents

Abstract

The utility model discloses a jointing clamp device of a fuse switch and the fuse switch thereof, which comprises a fixing frame, a line pressing plate structure and an operating assembly, wherein the fixing frame is provided with a wiring groove with an opening arranged towards one end of the fuse switch; the wire pressing plate structure is rotatably arranged in the fixing frame; the operating assembly comprises an operating rod which extends along the opening direction of the wiring groove and is rotatably arranged on the fixing frame, and a transmission block which is sleeved on the operating rod through a thread structure and is matched and connected with the wire pressing plate structure; by adopting the technical scheme, after the fuse switch is inserted into the 5G communication box, the wiring groove and the operating rod of the wiring clamp device are both horizontally opposite to the cabinet door of the 5G communication box, an operator can screw the operating rod by penetrating the operating rod into the box body by hand, the wiring clamp device meets the wiring operation requirement of the fuse switch in the 5G communication box, the wiring operation is convenient, and the development and the application of the fuse switch on the 5G communication technology can be promoted.

Description

Binding clip device of fuse switch and fuse switch thereof

Technical Field

The utility model relates to a low voltage fuse technical field, concretely relates to binding clip device of fuse switch and fuse switch thereof.

Background

The fuse switch is an electric appliance with safety protection function, can be used for isolation protection between a power supply and a load, is widely used for protection of a power grid and electric equipment, and is one of the most commonly used protection devices. When the short circuit or overload occurs to the line of the power grid or the electric equipment, the fuse switch can automatically cut off the circuit to avoid the damage of the electric equipment and prevent the spread of accidents.

The fuse protector mainly utilizes the fact that a fuse body can be overheated and fused when a circuit is overloaded or short-circuited to cause overlarge current, and therefore the fuse protector plays a role in protecting electric equipment. Traditional fuse switch can divide into two kinds of types of czochralski type and rotation type according to the mode of changing the fuse-element to be provided with two terminals at fuse switch's both ends, the terminal is vertical in fuse switch bottom surface setting, when the wiring, revolves the bolt head of twisting the terminal in fuse switch's top through instruments such as screwdrivers, thereby fastens the wire.

At present, with the development of 5G communication technology industry, the fuse switch is adopted to protect the safety and operation of communication systems and equipment, and becomes an increasingly important technical measure, in order to adapt to the installation and use of 5G communication boxes, an integrally inserted fuse switch is adopted at present, namely, the fuse switch is horizontally inserted into the 5G communication box and is in plug-in connection with the communication equipment, one end of the fuse switch, which is used for an external lead, faces to the direction of a cabinet door in which the 5G communication box can be opened, the fuse switches which are arranged in the 5G communication box are all horizontally arranged opposite to the cabinet door, the space of the box body is limited, an operator is required to only horizontally extend into the cabinet door to perform plug-in and plug-out, wiring and other operations on the fuse switch, while the traditional fuse switch needs vertical butt-terminal screwing operation but is limited by the internal space of the 5G communication box, and wiring operation on a binding post above the fuse switch, therefore, the wiring mode of the existing wiring terminal obviously cannot well meet the wiring operation requirement of the fuse switch in the 5G communication box, the practicability is poor, and the market and user requirements cannot be well met.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the fuse switch among the prior art and receiving the restriction of 5G communication box inner space, can't operate the terminal in the vertical butt joint of fuse switch top, the operation of working a telephone switchboard is comparatively inconvenient, can not better satisfy the problem of market and user demand to provide one kind and satisfy the wiring operation requirement of fuse switch in 5G communication box, wiring convenient operation, the practicality is good, can satisfy the binding clip device of the fuse switch of market and user demand.

The utility model provides a binding clip device of fuse switch, include:

the fixing frame is arranged at one end of the fuse switch and is provided with an accommodating cavity, and a wiring groove with an opening facing one end of the fuse switch is formed in the accommodating cavity;

the wire pressing plate structure is rotatably arranged in the fixing frame and is positioned above the wiring groove;

the operating assembly comprises an operating rod which extends along the opening direction of the wiring groove and is rotatably arranged on the fixing frame, and a transmission block which is sleeved on the operating rod through a threaded structure, wherein the transmission block is connected with the wire pressing plate in a matched manner; the transmission block is arranged on the operating rod and used for reciprocating motion along the axial direction of the operating rod when the operating rod rotates forwards or reversely, and driving the wire pressing plate structure to rotate towards the direction close to or far away from the bottom of the wiring groove.

As a preferred scheme, the wire pressing plate structure is rotatably arranged in the accommodating cavity through a rotating shaft and comprises a wire pressing bottom plate opposite to the bottom of the wiring groove and two driving plates which are arranged on two sides of the wire pressing bottom plate and are connected with the driving blocks in an abutting mode, the operating rod penetrates through an installation gap between the two driving plates, and the driving plates drive the wire pressing bottom plate to rotate around the rotating shaft when being pushed by the driving blocks, so that the wire pressing bottom plate is close to or far away from the bottom of the wiring groove.

As a preferable scheme, the two driving plates are correspondingly provided with mounting holes suitable for the rotating shaft to pass through and to be matched with the rotating shaft, and the rotating shaft passes through the mounting holes and is rotatably connected to the side walls on the two sides of the accommodating cavity.

As a preferable scheme, a limiting structure which enables the driving plates and the transmission blocks to form linkage fit is arranged between the driving plates and the transmission blocks, and the limiting structure comprises limiting grooves which are oppositely arranged on the two driving plates and limiting bosses which are correspondingly arranged on the transmission blocks and clamped in the limiting grooves.

As a preferable scheme, the driving part comprises a sector part and an arc bulge part which are arranged at two sides of the limiting groove, and a rotating part connected between the sector part and the arc bulge part, and the mounting hole is formed in the rotating part.

Preferably, the operating rod comprises an operating end extending out of the front end of the fixing frame towards the opening direction of the wiring groove, and a connecting end rotatably connected in a connecting hole at the rear end of the fixing frame.

Preferably, the threaded structure includes a threaded portion disposed on the operating rod along the axial direction of the operating rod, and a threaded hole structure correspondingly disposed on the transmission block and engaged with the threaded portion, the threaded portion being disposed between the operating end and the connecting end and limited to the front end and the rear end of the fixing frame.

As a preferred scheme, a guide structure is arranged between the fixed frame and the transmission block, the guide structure comprises two guide sliding grooves which are axially arranged on the side walls of the two sides of the fixed frame along the operating rod, and the limiting boss is connected with the guide sliding grooves in an extending and sliding manner.

As a preferred scheme, the mount forms including the cooperation installation base and the seat post in holding chamber, one side bending forming of base has T shape connecting plate, and its opposite side shaping has at least one installation fixture block, one side lateral wall of seat post be provided with the T-slot of T shape connecting plate cooperation installation, its opposite side lateral wall be provided with the installation card hole of installation fixture block cooperation joint.

As a preferred scheme, the one end of base is bent the shaping and is extended to the mounting panel of mount rear end, be provided with the fixed orifices on the mounting panel, the mount passes through the mounting panel is fixed in the one end of fuse switch.

The utility model also provides a fuse switch, including casing and any one of the above-mentioned fuse switch's binding clip device, casing one end corresponds binding clip device's wiring groove and action bars are provided with wiring hole and handle hole respectively.

Compared with the prior art, the technical scheme of the utility model have the following advantage:

1. the utility model provides a novel terminal device of fuse switch, can rotate along the opening direction of wiring groove through the action bars and set up on the mount, make the action bars also set up towards fuse switch one end, when the terminal needs to screw up the wire, as long as forward rotation action bars, drive line ball board structure towards being close to the rotation of wiring groove bottom direction when making the transmission piece move along the axial of action bars, line ball board at this moment can compress tightly the wire; when the wiring clamp needs to take out a lead, the operating rod only needs to be rotated reversely, so that the driving block drives the line pressing plate structure to rotate towards the direction far away from the bottom of the wiring groove when moving along the axial direction of the operating rod, and the wire pressing plate structure loosens the lead at the moment, by adopting the technical scheme, the motion and the force are stably and reliably transmitted to the line pressing plate structure through the threaded matching of the operating rod and the driving block, the line pressing plate structure is ensured to fasten the lead, and after the fuse switch is horizontally inserted into the 5G communication box, the wiring groove and the operating rod of the wiring clamp device are both horizontally and rightly opposite to the cabinet door of the 5G communication box, an operator can carry out screwing operation on the operating rod only by penetrating the hand into the box body, thereby realizing the wiring operation of the fuse switch in the horizontal direction, the wiring clamp device meets the wiring operation requirement of the fuse switch in the 5G, the installation wiring efficiency is improved, the practicability is good, and the development and the application of the fuse switch on the 5G communication technology can be promoted.

2. The utility model provides a novel binding clip device of fuse switch realizes through the screw thread drive mode between driving block and the action bars that reciprocating motion is made to the axial of driving block along the action bars, has the effect that frictional resistance is little, the transmission precision is high and auto-lock, works as the driving block can promote two drive plates of line ball plate structure at the removal in-process and revolute the rotation of axes to drive the line ball bottom plate and rotate and push down to the wiring inslot extrusion wire, or drive the line ball bottom plate and rotate and move up and keep away from the wiring inslot, press from both sides the tight line operation of device in order to realize the wiring.

3. The utility model provides a novel binding clip device of fuse switch, the transmission block and the drive plate form linkage relation through the cooperation of the limit boss and the limit groove, according to the two sides of the limit groove are respectively the arc bulge and the sector, when the transmission block moves along the axial direction of the operating rod near the open side of the binding groove, the sector is pushed through the limit boss to lead the wire pressing plate structure to move close to the binding groove direction, the wire pressing bottom plate is driven to move down to the binding groove for fastening the wire, and when the transmission block moves along the axial direction of the operating rod far away from the open side of the binding groove, the arc bulge is pushed through the limit boss to drive the wire pressing plate structure to move away from the binding groove direction, the wire pressing bottom plate is driven to move up to the binding groove direction and the fastening effect to the wire is removed, the structure only needs to rotate the operating rod at one end of the fuse switch, the linear motion of driving block converts the rotary motion of line ball plate structure into, makes the operating direction of action bars design into to be unanimous with the opening direction in wiring groove, just so can realize carrying out relevant operation to the action bars in fuse switch's horizontal direction, accords with the installation overall arrangement of fuse switch in 5G communication box.

4. The utility model provides a novel binding clip device of fuse switch through set up the direction spout along the action bars axial extension on the lateral wall of the both sides of mount, with the spacing boss sliding connection of transmission piece in the spout that leads, this kind of structure setting, and is right through the cooperation of direction spout and spacing boss the motion of transmission piece plays spacing guide effect, can not take place to deflect and rock the phenomenon when guaranteeing that the transmission piece follows action bars axial displacement, and installation stability is good, and the cooperation transmission is reliable and stable.

5. The utility model provides a novel fuse switch, it is provided with as above-mentioned binding clip device, therefore naturally has because of setting up above-mentioned binding clip device and bring all advantages, through at casing one end correspond binding clip device's wiring groove and action bars respectively be provided with the handle hole, operating personnel only need pass the wiring hole with the wire and stretch into the wiring groove after, and in another handle hole twist the action bars soon, make the transmission piece promote line ball board structure rotate and push down to the wiring inslot and play the fastening action to the wire, therefore, for the wiring operation of the fuse switch of packing into 5G communication box, because one end of action bars is just facing the cabinet door, operating personnel after opening the cabinet door of box, can face the operating bar of fuse switch one end and twist the operation of twisting, thereby satisfy the wiring operation requirement of fuse switch in 5G communication box, the development and application of the fuse switch in 5G communication technology are promoted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below.

Fig. 1 is a schematic perspective view of a terminal device of a fuse switch according to the present invention;

FIG. 2 is a front view of the binding clip apparatus of the present invention;

fig. 3 is a plan view of the terminal device of the present invention;

FIG. 4 is a schematic view of a split structure of the binding clip device of the present invention;

fig. 5 is a schematic structural view of the tension disc structure of the present invention;

fig. 6 is a schematic structural diagram of the fuse switch provided by the present invention, particularly illustrating a terminal device;

fig. 7 is a schematic perspective view of a fuse switch provided by the present invention;

description of reference numerals: 1-fixing frame, 10-accommodating cavity, 11-wiring groove, 12-base, 13-seat post, 14-T-shaped connecting plate, 15-mounting fixture block, 16-mounting fixture hole, 2-pressing plate structure, 21-pressing plate, 22-driving plate, 221-sector, 222-circular bulge, 223-rotating part, 23-limiting groove, 3-operating rod, 31-operating end, 32-connecting end, 33-threaded part, 4-driving block, 41-limiting boss, 5-rotating shaft, 6-guiding chute, 7-mounting plate, 8-shell, 81-wiring hole and 82-operating hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "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, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

The utility model provides a binding clip device of fuse switch as shown in figures 1-7, include:

the fixing frame 1 is arranged at one end of the fuse switch and is provided with an accommodating cavity 10, and a wiring groove 11 with an opening facing one end of the fuse switch is formed in the accommodating cavity;

the wire pressing plate structure 2 is rotatably arranged in the fixing frame 1 and is positioned above the wiring groove 11;

the operating assembly comprises an operating rod 3 which extends along the opening direction of the wiring groove 11 and is rotatably arranged on the fixing frame 1, and a transmission block 4 which is sleeved on the operating rod 3 through a thread structure, wherein the transmission block 4 is connected with the wire pressing plate structure 2 in a matching way; and the transmission block 4 reciprocates along the axial direction of the operating rod 3 when the operating rod 3 rotates forwards or reversely, and drives the wire pressing plate structure 2 to rotate towards the direction close to or far away from the bottom of the wire connecting groove 11.

In the above embodiment, the operating rod 3 is rotatably arranged on the fixing frame 1 along the opening direction of the wiring slot, so that the operating rod 3 is also arranged towards one end of the fuse switch, when the wiring clamp device needs to tighten the wires in the wiring slot, as long as the operating rod 3 is rotated in the forward direction, the transmission block 4 drives the wire pressing plate structure 2 to rotate towards the direction close to the bottom of the wiring slot 11 when moving along the axial direction of the operating rod, and the wire pressing plate structure can press the wires at this time; when the wiring clamp device needs to take out a lead in a wiring groove, the operating rod is rotated reversely, the transmission block 4 drives the line pressing plate structure 2 to rotate towards the direction far away from the bottom of the wiring groove 11 when moving along the axial direction of the operating rod, and the line pressing plate structure 2 loosens the lead at the moment, by adopting the technical scheme, the movement and the force are stably and reliably transmitted to the line pressing plate structure through the threaded matching of the operating rod 3 and the transmission block 4, the line pressing plate structure is ensured to tightly fix the lead, and after the fuse switch is horizontally inserted into the 5G communication box, the wiring groove and the operating rod of the wiring clamp device are both horizontally and rightly opposite to the cabinet door of the 5G communication box, an operator can carry out screwing operation on the operating rod only by penetrating the hand into the box body, so that the wiring operation of the fuse switch in the horizontal direction is realized, and the wiring clamp device meets the wiring operation requirement of the fuse switch in the 5G communication box, wiring convenient operation improves installation wiring efficiency, and the practicality is good, can promote the development and the application of fuse switch in 5G communication technology. The forward rotation and the reverse rotation in this context mean that the two rotation directions of a certain component are opposite, and do not mean the actual rotation direction of the component.

The following describes the specific arrangement of the pressing plate structure in detail with reference to fig. 4-5:

the wire pressing plate structure 2 is rotatably arranged in the accommodating cavity 10 through a rotating shaft 5 and comprises a wire pressing bottom plate 21 opposite to the bottom of the wiring groove 11 and two driving plates 22 which are arranged on two sides of the wire pressing bottom plate 21 and are connected with the driving blocks 4 in an abutting mode, the operating rod 3 penetrates through an installation gap between the two driving plates 22, wherein the two driving plates 21 are correspondingly provided with installation holes which are suitable for the rotating shaft 5 to penetrate through and are matched with the rotating shaft, the rotating shaft 5 penetrates through the installation holes and is rotatably connected with the side walls on two sides of the accommodating cavity 10, through the structure arrangement, the driving blocks 4 can reciprocate along the axial direction of the operating rod through a thread transmission mode between the driving blocks 4 and the operating rod 3, the wire pressing plate structure has the effects of small friction resistance, high transmission precision and self-locking, and the driving plates 22 of the wire pressing plate structure can be pushed by the driving blocks 4 in the moving process, when the driving plate 22 is pushed by the driving block 4, the wire pressing bottom plate 21 is driven to rotate around the rotating shaft 5, so that the wire pressing bottom plate 21 is close to or far away from the bottom of the wiring groove 11.

As shown in fig. 4, a limit structure is arranged between the driving plate 21 and the driving block 4 to make them form a linkage fit, the limit structure includes a limit groove 23 oppositely arranged on two driving plates 22, and a limit boss 41 correspondingly arranged on the driving block 4 and clamped in the limit groove 23, as a specific structural arrangement, the driving plate 22 includes a sector 221 and a circular arc convex 222 arranged on both sides of the limit groove 23, and a rotating part 223 connected between the sector 221 and the circular arc convex 222, the mounting hole is arranged on the rotating part 223, so that the rotating shaft 5 passes through the rotating part and is connected to the inner wall of the mounting cavity, the advantage of this design is that the driving block 4 and the driving plate 21 form a linkage relationship through the cooperation of the limit boss and the limit groove, according to the two sides of the limit groove 23 are respectively a circular arc convex and a sector, when the driving block 4 moves along one side of the axial direction of the operating rod 3 close to the opening of the wiring slot 11, the sector is pushed by the limiting boss 41 to enable the wire pressing plate structure 2 to rotate towards the direction close to the wiring slot 11 to drive the wire pressing bottom plate 21 to move downwards to the wiring slot for fastening a wire, and when the driving block 4 moves along one side of the axial direction of the operating rod 3 far away from the opening of the wiring slot, the arc-shaped boss is pushed by the limiting boss 41 to drive the wire pressing plate structure 2 to rotate towards the direction far away from the wiring slot 11 to drive the wire pressing bottom plate 21 to move upwards to the direction of the wiring slot and release the fastening effect on the wire, the structure is only needed to rotate the operating rod 3 at one end of the fuse switch, the linear motion of the driving block is converted into the rotary motion of the wire pressing plate structure, so that the operating direction of the operating rod 3 is designed to be consistent with the opening direction of, therefore, the operation rod can be operated in the horizontal direction of the fuse switch, and the installation layout of the fuse switch in the 5G communication box is met.

The specific arrangement of the operating lever and the transmission block is described in detail below with reference to fig. 2-4:

the utility model discloses a fuse switch, including the operation pole 3, including the court the opening direction of wiring groove 11 stretches out the operation end 31 of 1 front end of mount, with rotate and connect link 32 in the connecting hole of 1 rear end of mount, 1 front end of mount corresponds and is provided with the through-hole, operation end 31 wears to stretch in the through-hole outside and towards fuse switch one end setting, is equipped with the operation groove that is fit for the operation of external instrument on it, this kind of structure setting, operation pole 3 is the location and rotates the setting and is in on the mount 1, when wiring operation, operating personnel as long as penetrate fuse switch one end alright to the operation end 31 application of force through instruments such as screwdrivers, thereby through rotating operation pole 3 is in order to drive transmission block 4 reciprocating motion, and then drive wire clamp structure 2 supports and withholds the wiring operation of wire in order to realize the wire clamp.

As a preferred embodiment, the thread structure includes a thread portion 33 axially disposed along the operating rod 3 and a screw hole structure correspondingly disposed between the transmission block 4 and the thread portion, the thread portion 33 is disposed between the operating end and the connecting end and limited at the front end and the rear end of the fixing frame 1, that is, the two ends of the thread portion 33 are retained by the front end and the rear end of the fixing frame 1, so as to prevent the operating rod 3 from coming off the fixing frame 1 during the rotation process, thereby realizing the positioning rotation of the operating rod 3 on the fixing frame 1, and driving the transmission block 4 to reciprocate along the axial direction of the operating rod 3 through a thread transmission manner, and the mounting stability is good, and the matching transmission is reliable.

In order to guarantee stationarity and reliability when the action bars were removed are followed to the transmission piece, combine fig. 1 and fig. 4 to show, transmission piece 4 is cross structure, mount 1 with be provided with guide structure between transmission piece 4, guide structure includes the edge 3 axial settings of action bars are in two guide chute 6 on the lateral wall of the both sides of mount 1, spacing boss 41 extend sliding connection in guide chute 6, pivot 5 is located guide chute below, this kind of structure setting is right through the cooperation of guide chute 6 with spacing boss 41 the motion of transmission piece 4 plays spacing guide effect, guarantees transmission piece 4 can not take place to deflect and rock the phenomenon when action bars axial displacement, and installation stability is good.

In this embodiment, mount 1 forms including the cooperation installation base 12 and the seat post 13 in holding chamber, one side bending forming of base 12 has T shape connecting plate 14, and its opposite side shaping has at least one installation fixture block 15, one side lateral wall of seat post 13 be provided with the T-slot of T shape connecting plate 14 cooperation installation, its opposite side lateral wall be provided with installation fixture hole 16 of installation fixture block 15 cooperation joint, this kind of structure setting, will mount 1 divide into two installation parts of base 12 and seat post 13, greatly reduced the whole shaping of mount and made the degree of difficulty, the shaping preparation is comparatively convenient, base and seat post pass through T shape connecting plate and T-slot and the cooperation constitution body structure of installation fixture block and installation fixture hole, simple to operate is swift.

Further set up, the one end of base 12 is bent the shaping and is had and extends to the mounting panel 7 of 1 rear end of mount, be provided with the fixed orifices on the mounting panel 7, mount 1 passes through mounting panel 7 is fixed in the one end of fuse switch, and when the installation, it will to adopt the bolt to pass the fixed orifices mounting panel 7 is fixed to the predetermined mounted position of fuse switch one end to realize that the installation of binding clip device and fuse switch is fixed.

Example 2

This embodiment provides a fuse switch as shown in fig. 6 to 7, comprising a housing 8 and the terminal device (a denotes a terminal device) of the fuse switch as described in embodiment 1, wherein one end of the housing 8 is provided with a terminal hole 81 and an operation hole 82 corresponding to the terminal groove 11 and the operation lever 3 of the terminal device, respectively, and the fuse switch of this embodiment naturally has all the advantages brought about by the provision of the terminal device as described above. According to wiring groove 11 and action bars 3 all towards fuse switch one end setting, operating personnel as long as pass the wire connection hole 81 with the wire and stretch into the wiring groove after to twist the action bars soon in the action holes 82, make driving block 4 promotes the line ball board structure rotates and pushes down and play the fastening to the wire in the wiring groove. In summary, for the wiring operation of the fuse switch installed in the 5G communication box, since one end of the operating rod faces the cabinet door, after the cabinet door of the box body is opened, an operator can screw the operating rod facing one end of the fuse switch, so that the wiring operation requirement of the fuse switch in the 5G communication box is met, and the development and application of the fuse switch in the 5G communication technology are promoted.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (11)

1. A terminal block assembly for a fuse switch, comprising:

the fixing frame (1) is arranged at one end of the fuse switch and is provided with an accommodating cavity (10), and a wiring groove (11) with an opening facing one end of the fuse switch is formed in the accommodating cavity;

the wire pressing plate structure (2) is rotatably arranged in the fixing frame (1) and is positioned above the wiring groove (11);

the operating assembly comprises an operating rod (3) which extends along the opening direction of the wiring groove (11) and is rotatably arranged on the fixing frame (1), and a transmission block (4) which is sleeved on the operating rod (3) through a thread structure, wherein the transmission block (4) is matched and connected with the wire pressing plate structure (2); the transmission block (4) moves back and forth along the axial direction of the operating rod (3) when the operating rod (3) rotates forwards or backwards, and drives the wire pressing plate structure (2) to rotate towards the direction close to or far away from the bottom of the wiring groove (11).

2. A terminal device of a fuse switch according to claim 1, wherein: the wire pressing plate structure (2) is rotatably arranged in the accommodating cavity (10) through a rotating shaft (5), and comprises a wire pressing bottom plate (21) opposite to the bottom of the wiring groove (11) and two driving plates (22) which are arranged on two sides of the wire pressing bottom plate (21) and are connected with the transmission blocks (4) in an abutting mode, the operating rod (3) penetrates through the two driving plates (22) in an installation gap between the driving plates, the driving plates (22) are driven by the transmission blocks (4) to drive the wire pressing bottom plate (21) to wind the rotating shaft (5) to rotate, so that the wire pressing bottom plate is close to or far away from the bottom of the wiring groove.

3. A terminal device of a fuse switch according to claim 2, wherein: the two driving plates (22) are correspondingly provided with mounting holes suitable for the rotating shaft (5) to penetrate through and matched with the rotating shaft, and the rotating shaft (5) penetrates through the mounting holes to be rotatably connected to the side walls of the two sides of the accommodating cavity (10).

4. A terminal device of a fuse switch according to claim 3, wherein: the driving plate (22) and be provided with between transmission piece (4) and make the two form linkage complex limit structure, limit structure is including setting up two relatively limit groove (23) of driving plate (22) and correspond the setting and be in on transmission piece (4) and the card support limit boss (41) in limit groove (23).

5. A terminal device of a fuse switch according to claim 4, wherein: the drive plate (22) comprises a sector part (221) and an arc bulge part (222) which are arranged on two sides of the limiting groove (23), and a rotating part (223) connected between the sector part (221) and the arc bulge part (222), and the mounting hole is formed in the rotating part (223).

6. A terminal device of a fuse switch according to any one of claims 1 to 5, characterised in that: the operating rod (3) comprises an operating end (31) extending out of the front end of the fixing frame (1) towards the opening direction of the wiring groove (11), and a connecting end (32) rotatably connected into a connecting hole in the rear end of the fixing frame (1).

7. A terminal device of a fuse switch as set forth in claim 6, wherein: the thread structure comprises a thread portion (33) which is axially arranged on the operating rod (3) and is correspondingly arranged on the transmission block (4) and a screw hole structure matched with the thread portion, wherein the thread portion (33) is arranged between the operating end and the connecting end and limited at the front end and the rear end of the fixing frame (1).

8. A terminal device of a fuse switch according to claim 4, wherein: mount (1) with be provided with guide structure between transmission piece (4), guide structure includes and follows the action bars axial sets up two guide chute (6) on the both sides lateral wall of mount (1), spacing boss (41) extend sliding connection in guide chute (6).

9. A terminal device of a fuse switch according to claim 7 or 8, wherein: the fixing frame (1) is formed by matching with a base (12) and a seat post (13) of the accommodating cavity, a T-shaped connecting plate (14) is formed by bending one side edge of the base (12), at least one installation clamping block (15) is formed by the other side edge of the base, a T-shaped groove formed by matching with the T-shaped connecting plate (14) is formed in one side wall of the seat post (13), and an installation clamping hole (16) clamped with the installation clamping block (15) in a matching mode is formed in the other side wall of the seat post.

10. A terminal device of a fuse switch as set forth in claim 9, wherein: the one end of base (12) is bent the shaping and is had and extends to mounting panel (7) of mount (1) rear end, be provided with the fixed orifices on mounting panel (7), mount (1) passes through mounting panel (7) are fixed in the one end of fuse switch.

11. A fuse switch, characterized by: terminal device comprising a housing (8) and a fuse switch according to any of claims 1 to 10, the housing (8) being provided at one end with a terminal hole (81) and an operating hole (82) corresponding to the terminal groove (11) and the operating lever (3) of the terminal device, respectively.

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