CN117542687A - Knife switch convenient to operate - Google Patents

Abstract

The invention discloses a disconnecting link convenient to operate in the technical field of electrical engineering, which comprises an isolation unit, a first switch, a second switch, a first switch and a second switch, wherein the isolation unit comprises a bearing part fixed on a rod body, a movable contact part arranged on one side of the bearing part, a locking part arranged at one end of the movable contact part, and a static contact part arranged on the other side of the bearing part; the fixing unit comprises a driving part transversely arranged on the bearing part, and fixing parts symmetrically arranged on two sides of the driving part, wherein the fixing parts penetrate through the bearing part. This switch convenient to operation is through setting up the movable contact subassembly of barb structure for the switching operation of device is simple and convenient more, and the fixed unit of device can carry out corresponding regulation operation according to the fixed hole site of waiting the mounted position simultaneously, reaches the purpose that improves device use flexibility and build fast.

Description

An easy-to-operate knife gate

Technical field

The invention relates to the technical field of electric power engineering, and in particular to a knife switch that is easy to operate.

Background technique

Pole-mounted isolation switch is a device used to disconnect or switch circuits. It is usually used in power systems to isolate and cut off power lines to work safely during maintenance, overhaul or emergency situations. Its structure includes moving, It consists of a static contact, a bottom plate, a locking mechanism, etc. Because its structure is similar to a knife gate, it is also called a knife gate. The opening and closing operations of the knife gate are mostly performed through the operating holes opened on the movable contacts.

In the existing technology, because the operating hole is too small and the installation position of the knife gate is mostly at a height of about 10 meters from the ground, the staff station needs to assist with the use of an operating rod to perform work. The operating rod itself is of high quality and needs to be lifted. It is difficult to insert the knife switch into the operating hole when operating at a high place. When the knife switch is closed and the operating lever is pulled out, the operating hole is too small and the knife switch is easily re-opened, affecting the closing work. , and when the entire device is installed and fixed, it will often be installed and fixed on buildings such as cable towers, and it is necessary to drill holes at corresponding positions on the bottom plate of the knife gate according to the distance between the poles on the tower to be installed. The operation of the hole limits the installation and fixation range of the device, so that the device can only be installed at a single designated position, and the flexibility of use is low. Based on this, we propose an easy-to-operate knife gate to solve this problem. question.

Contents of the invention

In view of the above-mentioned problems existing in the existing easy-to-operate knife gates, the present invention is proposed.

Therefore, the purpose of the present invention is to provide a knife switch that is easy to operate. Its purpose is to provide a structure that facilitates the opening and closing operation, ensures the working effect of the opening and closing work, and improves the work efficiency.

In order to solve the above technical problems, the present invention provides the following technical solution: a knife gate that is easy to operate, including an isolation unit, including a load-bearing component fixed on the rod body, a movable contact component arranged on one side of the load-bearing component, and A locking component at one end of the movable contact component, and a static contact component provided on the other side of the load-bearing component; and,

The fixing unit includes a driving component disposed transversely on the bearing component, and fixing components symmetrically disposed on both sides of the driving component, and the fixing component penetrates the bearing component.

As a preferred solution for the easy-to-operate knife gate of the present invention, the load-bearing component includes a load-bearing plate attached to the rod body, limiting ears symmetrically arranged on both sides of the center position of the load-bearing component, and symmetrically arranged Fixed blocks at both ends of the load-bearing plate.

As a preferred solution for the easy-to-operate knife gate of the present invention, the movable contact component includes a first insulating column vertically disposed on one side of the bearing plate, and a first insulating column transversely disposed at the outer end of the first insulating column. A first connection terminal, and a movable contact component connected to one end of the first connection terminal, and the movable contact component is disposed between the movable contact component and the static contact component.

As a preferred solution of the easy-to-operate knife gate of the present invention, the locking component includes a locking block located inside one end of the first insulating column, an arc-shaped member disposed on one side of the locking block, and A locking component at one end of the arc-shaped member, and a return spring provided on the locking component.

As a preferred solution of the easy-to-operate knife gate of the present invention, the static contact component includes a second insulating column vertically disposed at the other end of the bearing plate, and a second connection transversely disposed at the top of the second insulating column. terminal, a static contact piece vertically arranged at the center of the inner end of the second connection terminal, and guide pieces located on both sides of the static contact piece.

As a preferred solution of the easy-to-operate knife gate of the present invention, the driving component includes an adjusting block located between the limiting ears, and a threaded shaft symmetrically arranged on both sides of the adjusting block, and the The outer end of the threaded shaft extends into the fixed block.

As a preferred solution of the easy-to-operate knife gate of the present invention, the fixing component includes a fixing component located on the threaded shaft, and the fixing component is perpendicular to the threaded shaft and is disposed on the fixing component. A contact component on the lower side, and a limiting component provided below the fixing component and located on both sides of the contact component.

As a preferred solution of the easy-to-operate knife gate of the present invention, the fixing component includes a vertically arranged connecting lug, a spacer arranged below the connecting lug, and a spacer arranged vertically under the diaphragm. The limiting shaft piece includes a bottom piece provided at the end of the limiting shaft piece, two sets of first chute openings below the spacer plate, and two sets of second chute grooves opening on the upper part of the spacer plate.

As a preferred solution for the easy-to-operate knife gate of the present invention, the abutment assembly includes an abutment block located on one side of the limit shaft piece, and a limit slot opened in the abutment block. , and the limiting shaft piece is located in the limiting slot, and there are multiple sets of friction teeth provided on the contact block.

As a preferred solution for the easy-to-operate knife gate of the present invention, the limiting assembly includes reinforcing blocks located on both sides of the limiting shaft piece, multiple sets of friction plates arranged on the reinforcing blocks, and Limit slide blocks at both ends of the reinforcement block.

Beneficial effects of the present invention: By arranging the movable contact assembly with a barb structure, the opening and closing operation of the device is simpler and more convenient. At the same time, the fixing unit of the device can perform corresponding adjustment operations according to the fixing hole position of the position to be installed, so as to improve the device. Aimed for flexibility of use and quick setup.

Description of drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without exerting creative efforts. in:

Figure 1 is a schematic diagram of the overall structure of the installation and construction position of the easy-to-operate knife gate according to the present invention.

Figure 2 is a schematic diagram of the overall structure of the easy-to-operate knife gate according to the present invention.

Figure 3 is a schematic structural diagram of the easy-to-operate knife switch isolation unit of the present invention.

Figure 4 is a schematic structural diagram of the easy-to-operate knife gate locking component of the present invention.

Figure 5 is a schematic structural diagram of the engaged state of the knife switch locking component and the static contact component of the invention, which is easy to operate.

Figure 6 is a schematic structural diagram of the static contact component of the knife gate that is easy to operate according to the present invention.

Figure 7 is a schematic structural diagram of the easy-to-operate knife gate fixing unit of the present invention.

Figure 8 is an exploded schematic diagram of the structure of the fixing component of the knife gate that is easy to operate according to the present invention.

Fig. 9 is a schematic structural diagram of the knife gate fixing component of the present invention from an upward perspective.

Figure 10 is a cross-sectional view of the structure of the easy-to-operate knife gate fixing component located in the fixing hole according to the present invention.

Detailed ways

In order to make the above objects, features and advantages of the present invention more obvious and understandable, the specific implementation modes of the present invention will be described in detail below with reference to the accompanying drawings.

Many specific details are set forth in the following description to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Those skilled in the art can do so without departing from the connotation of the present invention. Similar generalizations are made, and therefore the present invention is not limited to the specific embodiments disclosed below.

Second, reference herein to "one embodiment" or "an embodiment" refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

Next, the present invention will be described in detail with reference to schematic diagrams. When describing the embodiments of the present invention in detail, for the convenience of explanation, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples and should not be used here. Limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual production.

Example 1

Referring to Figures 1 to 2, a first embodiment of the present invention provides a knife gate that is easy to operate. This device includes an isolation unit 100, including a load-bearing component 101 fixed on the rod body, and is disposed between the load-bearing component 101 and The movable contact component 102 on the side of the movable contact component 102, the locking component 103 provided on one end of the movable contact component 102, and the static contact component 104 provided on the other side of the bearing component 101. The bearing component 101 is attached to the rod body to be installed, and the movable contact component 102 One end is overlapped on the static contact component 104, and the locking component 103 is installed on the movable contact component 102, located at the connection between the movable contact component 102 and the static contact component 104, for snapping and fixing between the two; and,

The fixing unit 200 includes a driving component 201 transversely disposed on the bearing component 101, and fixing components 202 symmetrically disposed on both sides of the driving component 201. The fixing component 202 penetrates the bearing component 101, and the driving component 201 is rotationally connected to the bearing component 101. , the fixing component 202 is symmetrically threaded and connected to both sides of the driving component 201. When the driving component 201 rotates, the fixing components 202 on both sides will move synchronously in the opposite direction. The fixing component 202 is inserted into the fixing hole opened on the rod body. , the entire device is fixedly connected to the rod body.

During use, according to the position of the fixing hole on the rod body to be installed, rotate the driving part 201 to adjust the position of the fixing parts 202 on both sides so that the position of the fixing part 202 matches and aligns with the fixing hole, and then insert and fix the fixing part 202 on the fixed hole. hole, and then install the device at the designated position, and then rotate the movable contact component 102 so that the end close to the static contact component 104 is engaged with the static contact component 104 to complete the closing operation. At the same time, at the engagement point of the two , the locking component 103 will further fix and lock the connection between the moving contact component 102 and the static contact component 104, further enhancing the stability of the device during the closing operation.

Example 2

Referring to Figures 3 to 6, a second embodiment of the present invention is shown. This embodiment is different from the first embodiment in that it provides an opening and closing method that is easy to operate and improves the efficiency of the opening and closing work. Work efficiency.

Compared with Embodiment 1, further, the moving contact component 102 includes a first insulating post 102a vertically disposed on one side of the bearing plate 101a, a first connection terminal 102b disposed laterally on the outer end of the first insulating post 102a, and a The movable contact component 102c at one end of the first connection terminal 102b is disposed between the movable contact component 102 and the static contact component 104. The first connection terminal 102b is laterally fixedly connected to the first insulating column 102a. One end of the component 102c is rotatably connected to one end of the first connection terminal 102b, and the movable contact component 102c is composed of two sets of parallel rectangular plates, and the locking component 103 is installed between the two sets of rectangular plates, and the movable contact component 102c passes through The two sets of rectangular plates are clamped inwardly together with the static contact component 104 .

Furthermore, a hooking component 102c-1 with a double barb-shaped structure is provided on the outside of the movable contact component 102c. The hooking component 102c-1 includes a symmetrically arranged first hook 102c-11 and a second hook 102c-12, and is provided on the first hook 102c-11 and the second hook 102c-12. The fluorescent mark 102c-13 is between the first hook 102c-11 and the second hook 102c-12. The second hook 102c-12 is located on the movable contact component 102c, close to the side of the static contact component 104. The first hook 102c-11 is for For the closing operation, the second hook 102c-12 is used for the opening operation.

During use, the first hook 102c-11 and the second hook 102c-12 have a curved hook structure, and their sides are open openings. Compared with the hole-type structure in the traditional method, you only need to move the operating rod along the The contact component 102c slides into the hooking component 102c-1, and the operating rod can be connected with the hooking component 102c-1. On the contrary, you only need to slide the operating rod along the movable contact component 102c in the opposite direction, and move the operating rod away from the hooking component 102c-1. 1 is enough. According to the operating requirements of opening and closing, it can be extended to the first hook 102c-11 or the second hook 102c-12 respectively. Compared with the difficult hole insertion operation, the open hook operation is more convenient It is convenient to open and close the switch. The operating lever uses the movable contact component 102c as the limit track and is moved out through the side opening of the hook component 102c-1. It will not accidentally open the knife switch repeatedly after the switch is closed. , the fluorescent mark 102c-13 is made of luminous material, which can absorb light when the light is strong, and emit luminous guidance when the light is poor, thus facilitating workers to quickly locate according to the fluorescent mark 102c-13 in working scenes with poor lighting. The location of the device makes it convenient for staff to operate the knife gate.

Among them, the locking component 103 includes a locking block 103a located inside one end of the first insulating column 102a, an arc-shaped component 103b disposed on one side of the locking block 103a, a locking component 103c disposed on one end of the arc-shaped component 103b, and a locking component 103c disposed on On the return spring 103d, the locking block 103a is located between the second hooks 102c-12, and the horizontal surface of its inner end is higher than the inner curvature of the second hook 102c-12, that is, the inner side of the locking block 103a is higher than the fluorescent mark 102c-13. Inside, the arc member 103b is an arc structure, connected to one end of the locking block 103a, and its top extends into the moving contact component 102c. The locking component 103c is rotationally connected between the moving contact components 102c, and its position is close to the static contact component. 104. The guide piece 104d is installed and fixed above the locking assembly 103c.

Further, a first rotating shaft 103a-1 is provided between the locking block 103a and the arc-shaped member 103b. The two are rotationally connected between the moving contact components 102c with the first rotating shaft 103a-1 as the axis. The outer surface of the arc-shaped member 103b A pressure block 103b-1 is provided at one end of the locking assembly 103c. The pressure block 103b-1 is located above one end of the locking component 103c. A third rotating shaft 103d-1 is provided at the top of the arc-shaped member 103b. The return spring 103d is installed and fixed on the third rotating shaft 103d-1. between the movable touch components 102c.

Further, the locking component 103c includes a limiting piece 103c-1 located between the moving contact components 102c, a pressing piece 103c-2 provided at the outer end of the limiting piece 103c-1, and a second rotating shaft 103c provided between the two. -3. The end of the return spring 103d is fixedly connected to the top surface of the limiting piece 103c-1. The pressing piece 103c-2 is located directly below the pressing block 103b-1. The locking component 103c has the second rotating shaft 103c-3 as its axis. Rotatingly connected between the movable contact components 102c.

Among them, the static contact component 104 includes a second insulating post 104a vertically disposed at the other end of the carrying plate 101a, a second connection terminal 104b disposed transversely at the top of the second insulating post 104a, and a second connection terminal 104b vertically disposed at the center of the inner end of the second connection terminal 104b. The static contact piece 104c and the guide pieces 104d located on both sides of the static contact piece 104c. The guide pieces 104d are symmetrically distributed on both sides of the second connection terminal 104b. The two form a trumpet-shaped open opening structure. The static contact piece 104c is located on Between the guide pieces 104d, the trumpet-shaped guide piece 104d increases the connection range when engaging with the movable contact assembly 102c, and can guide the movable contact assembly 102c to accurately engage into the static contact component 104, making the device more secure when closing. For convenience and accuracy, the static contact piece 104c is provided with a slot 104c-1 for limiting the position. The slot 104c-1 is an arc-shaped structure as a whole, and the side close to the top of the static contact piece 104c is a rectangular cross-section. The limiting piece 103c- 1 can be extended into the card slot 104c-1.

During use, during the closing operation, slide the operating rod into the first hook 102c-11, and then push the movable contact assembly 102c upward. The movable contact assembly 102c rotates so that one end thereof is close to the static contact piece 104c, and passes through The guide piece 104d is guided to perfectly engage with the static contact component 104. During this process, the limiting piece 103c-1 located in the movable contact component 102c will preferentially contact the outside of the static contact piece 104c, and squeeze the locking component 103c to first The second rotating shaft 103c-3 rotates outward with the axis center. The rotating second rotating shaft 103c-3 will drive the tension return spring 103d. At the same time, the rotating limiting piece 103c-1 will not block the movable contact assembly 102c and the static contact piece 104c. When the moving contact component 102c continues to move toward the static contact piece 104c, the limiting piece 103c-1 will eventually slide along the outside of the static contact piece 104c into the card slot 104c-1. At this time, the position in the card slot 104c-1 The squeezing force on the limiting piece 103c-1 disappears, and the return spring 103d contracts and rebounds, which will collect the limiting piece 103c-1 in the slot 104c-1. At this time, the movable contact assembly 102c is completely engaged in the static contact. The outer side of the piece 104c, with the locking component 103c inserted and fixed in the slot 104c-1, can play the role of locking and engaging, further enhancing the connectivity of the device;

On the contrary, when performing the gate opening operation, extend the operating rod into the second hook 102c-12 from the side opening of the second hook 102c-12, pull the operating rod downward, and the hook structure of the second hook 102c-12 will Hooked with the operating rod, as the operating rod continues to move, the operating rod inside the second hook 102c-12 will preferentially contact the locking block 103a and press the locking block 103a. At this time, the locking block 103a will rotate with the first rotating shaft 103a- 1 means the center of the circle rotates downward. The rotating locking block 103a will drive the arc-shaped member 103b to rotate synchronously. The rotating arc-shaped member 103b presses the limiting piece 103c-1 downward through the pressing block 103b-1 set at the top, thereby driving the entire The locking component 103c takes the second rotating shaft 103c-3 as the center of the circle and rotates in such a way that the limiting piece 103c-1 moves upward. The rotating limiting piece 103c-1 will slide out of the slot 104c-1 and is reset at this time. The spring 103d contracts inwardly under the pressure of the limiting piece 103c-1. The contracted limiting piece 103c-1 will release the locking limit of the static contact piece 104c and the movable contact assembly 102c, so that the movable contact assembly 102c can be operated normally by the lever. Pull it out and disconnect it from the static contact piece 104c to realize the gate opening operation. The operating rod only needs to be simply lifted to realize the gate opening and closing operation, which significantly improves the efficiency of the gate opening and closing work.

The rest of the structure is the same as that of Embodiment 1.

Example 3

Referring to Figures 7 to 10, a third embodiment of the present invention is shown. The difference between this embodiment and the second embodiment is that the fixing range of the device can be adjusted according to the fixed position on the equipment to be installed, thereby improving the flexibility of use of the device. .

Compared with Embodiment 2, further, the load-bearing component 101 includes a load-bearing plate 101a attached to the rod body, limiting ears 101b symmetrically arranged on both sides of the center position of the load-bearing member 101, and fixed lugs symmetrically arranged at both ends of the load-bearing plate 101a. The block 101c is provided with a relief groove 101a-1 on the bearing plate 101a and between the two sets of limiting ears 101b. There are rectangular grooves 101a-2 on both sides of the bearing plate 101a. The rectangular groove 101a-2 has a rectangular structure. The fixed component 202 is slidably connected in the rectangular groove 101a-2, and is limited by its shape and can only perform parallel sliding in the horizontal direction.

The driving component 201 includes an adjusting block 201a located between the limiting ears 101b, and a threaded shaft 201b symmetrically arranged on both sides of the adjusting block 201a, and the outer end of the threaded shaft 201b extends into the fixed block 101c. The adjusting block 201a is six in total. The side-shaped bolt structure has both sides extending into the limiting ear 101b and is rotationally connected to the limiting ear 101b. The adjusting block 201a is limited by the limiting ear 101b and can only rotate itself in place and cannot perform other functions. The inner end of the threaded shaft 201b is fixedly connected to one end of the adjusting block 201a, and the outer end of the threaded shaft 201b is rotationally connected to the inside of the fixed block 101c.

The fixing component 202 includes a fixing component 202a located on the threaded shaft 201b, and the fixing component 202a is perpendicular to the threaded shaft 201b, a contact component 202b disposed inside the fixing component 202a, and a contact component 202b disposed between the end of the fixing component 202a and the contact component 202b. The limiting component 202c between the ends, the top of the fixing component 202a is threadedly connected to the threaded shaft 201b, but the lower part is located in the rectangular groove 101a-2. When the fixing component 202a is driven by the threaded shaft 201b, the fixing component 202a can only move in the rectangular position. The groove 101a-2 moves horizontally, and the fixing components 202a on both sides move simultaneously, which can realize the purpose of adjusting the position of the fixing component 202 according to the position of the fixing hole. The abutment component 202b is slidingly connected in the fixing component 202a, and can be Perform vertical parallel sliding.

Among them, the fixing component 202a includes a vertically arranged connecting shaft lug 202a-1, a spacer 202a-2 provided below the connecting shaft lug 202a-1, and a limiting shaft piece 202a-3 installed vertically below the spacer 202a-2. , the bottom piece 202a-4 provided at the end of the limiting shaft 202a-3, the two sets of first chute 202a-5 opened under the spacer 202a-2, and the two sets of second chute 203a-4. 202a-6, the limiting component 202c is located between the spacer 202a-2 and the bottom sheet 202a-4, and its upper and lower ends are slidingly connected in the first chute 202a-5 and the second chute 202a-6, and the abutting component 202b The limiter is slidably connected to the side of the limiter shaft piece 202a-3, and the abutment component 202b and the two sets of limiter assemblies 202c are arranged in a V-shape around the limiter shaft piece 202a-3.

Among them, the contact component 202b includes a contact block 202b-1 located on one side of the limiting shaft piece 202a-3, a limiting slot 202b-2 opened in the contact block 202b-1, and the limiting shaft piece 202a- 3 is located in the limit slot 202b-2, and there are multiple sets of friction teeth 202b-3 provided on the abutment block 202b-1. The abutment block 202b-1 slides in the limit position through the limit slot 202b-2. On the side of the shaft piece 202a-3, the abutting block 202b-1 is parallel to the limiting shaft piece 202a-3. The two sides of the abutting block 202b-1 have a triangular structure, and the inclination angles of both sides are to shrink inward, so that The outer end of the abutting block 202b-1 has a larger opening, and the inner end is smaller. When the abutting block 202b-1 moves backward, the special structures on both sides will squeeze and push the limiting components 202c on both sides. Different degrees of expansion displacement.

Among them, the limiting component 202c includes reinforcing blocks 202c-1 located on both sides of the limiting shaft piece 202a-3, a plurality of sets of friction plates 202c-2 provided on the reinforcing block 202c-1, and a plurality of friction plates 202c-2 provided on both ends of the reinforcing block 202c-1. The limiting slide block 202c-3 and the reinforcing block 202c-1 are slidingly connected in the first chute 202a-5 and the second chute 202a-6 through the limiting slide blocks 202c-3 provided at both ends, and are limited by both. position, the friction plate 202c-2 can increase the friction force when the device is fixed by increasing the contact point with the inner wall of the fixing hole. The same is true for the friction teeth 202b-3.

During use, according to the installation requirements, rotate the adjusting block 201a to drive the threaded shafts 201b on both sides to drive the corresponding fixing parts 202 to adjust their positions accordingly. Then insert the fixing parts 202 into the fixing holes, continue to rotate the threaded shafts 201b, and fix both sides. The abutting block 202b-1 on the inside of the component 202 will preferentially contact the inner wall of the fixing hole and squeeze the fixing hole. At the same time, the inner wall of the fixing hole will exert the same reverse force on the abutting block 202b-1, and the abutting block 202b-1 will be squeezed. The block 202b-1 will shrink backward along the limiting shaft piece 202a-3, and the two sides of the abutting block 202b-1 will squeeze the corresponding reinforcement blocks 202c-1, causing the two groups of reinforcement blocks 202c-1 to expand outward synchronously. , the expanded reinforcement block 202c-1 will eventually be firmly in contact with the inner wall of the fixing hole, thereby fixing the device at the designated position. As the threaded shaft 201b continues to drive the fixing component 202 to shrink inward, it will pass through the fixing component 202 The entire to-be-fixed position is exerted an inward clamping fixing force, and the abutting block 202b-1 further compresses the reinforcing block 202c-1, causing it to exert an outwardly expanding abutting force in the fixing hole. Through the cooperation of the two forces, , can strengthen the fixing ability of the fixing component 202 and ensure the connection stability of the device.

The rest of the structure is the same as that of Embodiment 2.

It is important to note that the construction and arrangements of the present application shown in various exemplary embodiments are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reviewing this disclosure will readily appreciate that many modifications are possible without materially departing from the novel teachings and advantages of the subject matter described in this application. are possible (e.g. variations in size, scale, structure, shape and proportion of various elements, as well as parameter values (e.g. temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.). For example, an element shown as integrally formed may be constructed from multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operation and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the invention is not limited to particular embodiments, but extends to various modifications which still fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation may be described (i.e., those features that are not relevant to the best mode presently contemplated for carrying out the invention, or that are not relevant to carrying out the invention) feature).

It should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solution of the present invention can be carried out. Modifications or equivalent substitutions without departing from the spirit and scope of the technical solution of the present invention shall be included in the scope of the claims of the present invention.

Claims (10)

1. A knife switch convenient to operation, its characterized in that: comprising the steps of (a) a step of,

the isolation unit (100) comprises a bearing part (101) fixed on the rod body, a movable contact part (102) arranged on one side of the bearing part (101), a locking part (103) arranged at one end of the movable contact part (102) and a static contact part (104) arranged on the other side of the bearing part (101); the method comprises the steps of,

the fixing unit (200) comprises a driving part (201) transversely arranged on the bearing part (101), and fixing parts (202) symmetrically arranged on two sides of the driving part (201), wherein the fixing parts (202) penetrate through the bearing part (101).

2. The knife switch for facilitating operation according to claim 1, wherein: the bearing component (101) comprises a bearing plate (101 a) attached to the rod body, limit lugs (101 b) symmetrically arranged on two sides of the central position of the bearing component (101), and fixing blocks (101 c) symmetrically arranged on two ends of the bearing plate (101 a).

3. The knife switch for facilitating operation according to claim 2, wherein: the movable contact component (102) comprises a first insulating column (102 a) vertically arranged on one side of the bearing plate (101 a), a first connecting terminal (102 b) transversely arranged at the outer end of the first insulating column (102 a), and a movable contact assembly (102 c) connected to one end of the first connecting terminal (102 b), wherein the movable contact assembly (102 c) is transversely arranged between the movable contact component (102) and the static contact component (104).

4. A knife switch for facilitating manipulation as claimed in claim 3, wherein: the locking component (103) comprises a locking block (103 a) positioned in one end of the first insulating column (102 a), an arc-shaped piece (103 b) arranged on one side of the locking block (103 a), a locking assembly (103 c) arranged on one end of the arc-shaped piece (103 b), and a reset spring (103 d) arranged on the locking assembly (103 c).

5. The knife switch for facilitating operation according to claim 4, wherein: the static contact part (104) comprises a second insulating column (104 a) vertically arranged at the other end of the bearing plate (101 a), a second connecting terminal (104 b) transversely arranged at the top end of the second insulating column (104 a), a static contact piece (104 c) vertically arranged at the center of the inner end of the second connecting terminal (104 b), and guide pieces (104 d) positioned at two sides of the static contact piece (104 c).

6. The knife switch for facilitating operation according to claim 5, wherein: the driving part (201) comprises an adjusting block (201 a) located between the limiting lugs (101 b), threaded shafts (201 b) symmetrically arranged on two sides of the adjusting block (201 a), and the outer ends of the threaded shafts (201 b) extend into the fixed block (101 c).

7. The knife switch for facilitating operation according to claim 6, wherein: the fixing component (202) comprises a fixing assembly (202 a) located on the threaded shaft (201 b), an abutting assembly (202 b) arranged on one side below the fixing assembly (202 a) and limiting assemblies (202 c) arranged below the fixing assembly (202 a) and located on two sides of the abutting assembly (202 b), wherein the fixing assembly (202 a) is perpendicular to the threaded shaft (201 b).

8. The knife switch for facilitating operation as claimed in claim 7, wherein: the fixing assembly (202 a) comprises a connecting shaft lug (202 a-1) which is vertically arranged, a spacer (202 a-2) which is arranged below the connecting shaft lug (202 a-1), a limiting shaft piece (202 a-3) which is vertically arranged below the spacer (202 a-2), a bottom piece (202 a-4) which is arranged at the tail end of the limiting shaft piece (202 a-3), two groups of first sliding grooves (202 a-5) which are formed below the spacer (202 a-2), and two groups of second sliding grooves (202 a-6) which are formed on the spacer (203 a-4).

9. The knife switch for facilitating operation according to claim 8, wherein: the abutting assembly (202 b) comprises an abutting block (202 b-1) positioned on one side of the limiting shaft piece (202 a-3), a limiting clamping groove (202 b-2) formed in the abutting block (202 b-1), the limiting shaft piece (202 a-3) positioned in the limiting clamping groove (202 b-2), and a plurality of groups of friction teeth (202 b-3) arranged on the abutting block (202 b-1).

10. The knife switch for facilitating operation according to claim 9, wherein: the limiting assembly (202 c) comprises a reinforcing block (202 c-1) positioned on two sides of the limiting shaft piece (202 a-3), a plurality of groups of friction plates (202 c-2) arranged on the reinforcing block (202 c-1), and limiting sliding blocks (202 c-3) arranged on two ends of the reinforcing block (202 c-1).