CN218471784U

CN218471784U - Three-phase switch operation main shaft with good insulation performance

Info

Publication number: CN218471784U
Application number: CN202222609372.7U
Authority: CN
Inventors: 蔡志威
Original assignee: Quanzhou Yeshulun Machinery Co ltd
Current assignee: Quanzhou Yeshulun Machinery Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-10
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a three-phase switch operation main shaft that insulating properties is good, relate to three-phase switch operation main shaft technical field, including the axis body subassembly, the one end fixed mounting of axis body subassembly has coupling assembling, coupling assembling's other end fixed mounting has operating assembly, coupling assembling makes for insulating material, the one end of operating assembly is pegged graft and is had the fixed screw, operating assembly passes through fixed screw fixed mounting on coupling assembling, the axis body subassembly includes the main shaft, the outside cladding fixed mounting of main shaft has the rubber layer, coupling assembling's the one end outside and rubber layer looks threaded connection, through adopting the axis body subassembly, coupling assembling and operating assembly carry out split type design, be convenient for assemble, when operating assembly takes place to damage, be convenient for change, be convenient for maintain, and prolong service life, when using, adopt rubber layer and insulating weaving layer, coupling assembling adopts insulating material to make, improve the insulating properties when using, avoid operating assembly electrified, improve the safety in utilization.

Description

Three-phase switch operation main shaft with good insulation performance

Technical Field

The utility model relates to a three-phase switch operation main shaft technical field especially relates to three-phase switch operation main shaft that insulating properties is good.

Background

Three-phase switch types include: the knife switch, the air switch, the earth leakage protector, the low-voltage circuit breaker, the magnetic circuit breaker and the like can be called as three-phase switches, the three-phase switches can be called as three-phase switches for breaking three phases, along with the development of industry and electricity utilization, the three-phase switches are widely used in various industries, the types of the three-phase switches are more and more, some knob type three-phase switches are also on the market, such as 56SW310 outdoor industry square knob switches, the knob type design is adopted when breaking, when using, the knob is screwed, the operation can be carried out, when using, when screwing the knob, the spindle needs to be rotated, the internal elements rotate to achieve the opening and closing effect, when using, the spindle needs to be insulated for using safety, the electrical risk is avoided, and the insulation performance of the spindle needs to be required to be excellent.

As disclosed in publication No.: CN203826274U, a load switch and an insulation main shaft thereof. Load switch, including insulating main shaft, insulating main shaft includes the axle body, is equipped with the contact installation arm that is used for installing the moving contact on the axle body, and the radial outside extension of axle body is followed to the contact installation arm. The utility model discloses an insulating main shaft's axle is equipped with contact installation arm on one's body, because contact installation arm radially outwards extends along the axle body, can install the moving contact on the axle body through contact installation arm, compares with current insulating main shaft, can reduce the radial dimension of axle body greatly, and axle body material is little to can reduce insulating main shaft's whole material, reduced insulating main shaft's manufacturing cost.

When the three-phase switch is used for a long time, the three-phase switch has the problem that the insulation effect is easy to reduce, and has a certain risk when the three-phase switch is used for a long time.

SUMMERY OF THE UTILITY MODEL

For overcoming the technical defect that prior art exists, the utility model provides a three-phase switch operation main shaft that insulating properties is good when using, has stronger insulating effect, avoids operating assembly to be electrified, and damages the back at operating assembly, is convenient for change, convenient operation, the maintenance of being convenient for.

The utility model discloses a technical solution be: the three-phase switch operation main shaft with good insulation performance comprises a shaft body assembly, wherein one end of the shaft body assembly is fixedly provided with a connecting assembly, the other end of the connecting assembly is fixedly provided with an operation assembly, the connecting assembly is made of an insulation material, one end of the operation assembly is inserted with a fixing screw, the operation assembly is fixedly arranged on the connecting assembly through the fixing screw, the shaft body assembly comprises a main shaft, the outer side of the main shaft is coated with a rubber layer, one end of the connecting assembly is inserted on the main shaft, the outer side of one end of the connecting assembly is in threaded connection with the rubber layer, a waist hole with a waist-shaped structure is vertically formed in the middle position of the main shaft, a connecting sheet is inserted in the waist hole, the connecting sheet and the rubber layer are made into an integral structure, and one end of the rubber layer is fixedly provided with a threaded sleeve, and one end of the connecting component is connected with the threaded sleeve in a threaded manner, an insulating woven layer is fixedly arranged on the outer side of the rubber layer in a weaving manner, pin holes are formed in both the transverse sides of one end of the threaded sleeve on the main shaft, one end of the connecting component is inserted into the pin holes, when the electric switch is used, the main shaft in the shaft body component is fixedly connected with an external electric control element, and the shaft body component is rotatably arranged on a shell of an external switch, so that the operating component rotates the shaft body component through the connecting component, the external electric element is controlled through the shaft body component to carry out opening and closing operation, the shaft body component comprises a main shaft, the anti-twisting force during use is improved, and the main shaft can be made of metal or rigid plastic steel, and pass through the rubber layer with the insulating weaving layer improves right the insulating effect of main shaft, and pass through the waist hole with the connection piece avoids when using, results in the rubber layer with produce the delaminating phenomenon between the main shaft, improve life, just coupling assembling is insulating material, when using, improves right the insulating properties of operating element position avoids operating element is electrified, and when using, works as coupling assembling or operating element takes place to damage the back, and be convenient for dismantle, conveniently maintains, is convenient for change the part of damage, improves life.

Preferably, the connecting assembly comprises a connecting block, a T-shaped gasket is fixedly mounted on one side of the connecting block, the connecting block and the gasket are of an integral structure, pin rods are fixedly mounted at both transverse ends of one side of the gasket and are inserted into the pin holes, one side of the gasket is pressed against one side of the main shaft, the gasket is connected with the connecting block, a threaded cap is rotatably sleeved at the position where the connecting block is connected, one end of the threaded cap is in threaded connection with the threaded sleeve, a spline is formed in one end of the connecting block, one end of the operating assembly is clamped in the spline, a threaded hole is formed in the middle of one side of the connecting block, one end of a fixing screw is in threaded connection with the inside of the threaded hole, the threaded cap is mounted by rotating, the pin rods are inserted into the pin holes when the connecting block is assembled, the threaded cap is rotated, the threaded cap is connected with the threaded sleeve in a threaded manner, the connecting block is fixedly connected with the shaft body assembly, and rotation is avoided when the connecting block is used, so that the mounting is convenient and the fixing is realized.

Preferably, the operating assembly includes the knob, just the one end fixed mounting of knob has the sleeve, the sleeve cup joints on the connecting block, just the even fixed mounting in telescopic inside one side has the stopper, the stopper joint is in the inside of spline, the counter bore has been seted up to the intermediate position of knob, just fixed screw pegs graft in the inside of counter bore, the one end of fixed screw is passed the counter bore with screw thread hole threaded connection, just the knob passes through fixed screw fixed mounting is in on the coupling assembling, through the stopper with the spline is convenient for the knob drives coupling assembling rotates, makes the axis body subassembly rotates, conveniently opens and stops the operation, and passes through fixed screw is convenient for right the operating assembly carries out fixed mounting.

The utility model has the advantages that: carry out split type design through adopting axis body subassembly, coupling assembling and operating assembly, be convenient for assemble, and when operating assembly takes place to damage, be convenient for change, be convenient for maintain, improve life, and when using, adopt rubber layer and insulating weaving layer, and coupling assembling adopts insulating material to make, improves the insulating properties when using, avoids operating assembly electrified, improves the safety in utilization.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the structure diagram of the middle shaft body assembly after being cut open.

Fig. 3 is the overall structure schematic diagram of the middle connection assembly of the present invention.

Fig. 4 is a partial schematic structural view of another angle of the connection assembly of the present invention.

Fig. 5 is a schematic view of the overall structure of the middle operation assembly of the present invention.

Fig. 6 is a schematic view of the overall structure of another angle of the operating assembly of the present invention.

Description of the reference numerals: in the figure: 1. a shaft body assembly; 101. a main shaft; 102. a rubber layer; 103. a waist hole; 104. connecting sheets; 105. a threaded sleeve; 106. an insulating braid; 107. a pin hole; 2. a connecting assembly; 201. connecting blocks; 202. a gasket; 203. a pin rod; 204. a threaded cap; 205. a spline; 206. a threaded hole; 3. an operating component; 301. a knob; 302. a sleeve; 303. a limiting block; 304. a counter bore; 4. and fixing the screw.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-6, the embodiment provides a three-phase switch operation spindle with good insulation performance, which includes a spindle body assembly 1, a connection assembly 2 is fixedly installed at one end of the spindle body assembly 1, an operation assembly 3 is fixedly installed at the other end of the connection assembly 2, the connection assembly 2 is made of an insulating material, a fixing screw 4 is inserted into one end of the operation assembly 3, the operation assembly 3 is fixedly installed on the connection assembly 2 through the fixing screw 4, the spindle body assembly 1 includes a spindle 101, a rubber layer 102 is fixedly installed on the outer side of the spindle 101 in a wrapping manner, one end of the connection assembly 2 is inserted onto the spindle 101, the outer side of one end of the connection assembly 2 is in threaded connection with the rubber layer 102, a waist hole 103 with a waist-shaped structure is vertically formed in the middle position of the spindle 101, a connection piece 104 is inserted into the waist hole 103, the connection piece 104 and the rubber layer 102 are made of an integral structure, a thread sleeve 105 is fixedly installed at one end of the rubber layer 102, and one end of the connecting component 2 is connected on the threaded sleeve 105 by screw thread, the insulating braid layer 106 is fixedly arranged on the outer side of the rubber layer 102 by weaving, pin holes 107 are arranged on both lateral sides of one end of the threaded sleeve 105 on the main shaft 101, one end of the connecting component 2 is inserted in the pin holes 107, when in use, the main shaft 101 in the shaft body component 1 is fixedly connected with an external electrical control element, and the shaft body component 1 is rotatably arranged on the shell of an external switch by the utility model, so that the operating component 3 rotates the shaft body component 1 through the connecting component 2, the external electrical element is controlled by the shaft body component 1 to carry out opening and closing operation, and the shaft body component 1 comprises the main shaft 101, the anti-distortion force during use is improved, the main shaft 101 can be made of metal or hard plastic material, and through rubber layer 102 and insulating weaving layer 106, improve the insulating effect to main shaft 101, and through waist hole 103 and connection piece 104, avoid when using, lead to producing the delaminating phenomenon between rubber layer 102 and the main shaft 101, and prolong service life, and coupling assembling 2 is insulating material, when using, improve the insulating properties to operating assembly 3 position, avoid operating assembly 3 electrified, and when using, after coupling assembling 2 or operating assembly 3 take place to damage, be convenient for dismantle, conveniently maintain, be convenient for change the part of damage, and the service life is prolonged.

Connecting assembly 2 includes connecting block 201, and one side fixed mounting of connecting block 201 has gasket 202 of T type structure, connecting block 201 and gasket 202 formula structure as an organic whole, the equal fixed mounting in both ends of one side of gasket 202 has pin 203, and pin 203 pegs graft in the inside of pinhole 107, one side of gasket 202 is compressed tightly with one side of main shaft 101, gasket 202 rotates the screw cap 204 that has cup jointed with the connecting block 201 position of being connected, and the one end threaded connection of screw cap 204 is on thread bush 105, spline 205 has been seted up to the one end of connecting block 201, and the one end joint of operating assembly 3 is in the inside of spline 205, screw hole 206 has been seted up to one side intermediate position of connecting block 201, and the one end threaded connection of fixed screw 4 is in the inside of screw hole 206, through the screw cap 204 of rotating the installation, when assembling, peg graft pin 203 in the inside of pinhole 107, and rotate screw cap 204, make screw cap 204 and thread bush 105 looks threaded connection, and then be convenient for carry out fixed connection between connecting block and axis body subassembly 1, and avoid taking place the rotation when using, and be convenient for installation, make things convenient for fixing.

Operating element 3 includes knob 301, and the one end fixed mounting of knob 301 has sleeve 302, sleeve 302 cup joints on connecting block 201, and the even fixed mounting in inside one side of sleeve 302 has stopper 303, stopper 303 joint is in the inside of spline 205, counter bore 304 has been seted up to knob 301's intermediate position, and fixed screw 4 pegs graft in the inside of counter bore 304, counter bore 304 and screw hole 206 looks threaded connection are passed to fixed screw 4's one end, and knob 301 passes through fixed screw 4 fixed mounting on coupling assembling 2, through stopper 303 and spline 205, be convenient for knob 301 drives coupling assembling 2 and rotates, make axis body subassembly 1 rotate, conveniently open and stop the operation, and pass through fixed screw 4, be convenient for carry out fixed mounting to operating element 3, be convenient for use, and when changing, conveniently take off operating element 3.

Having shown and described the fundamental principles and the principal features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. Three-phase switch operation main shaft that insulating properties is good, its characterized in that: including axis body subassembly (1), the one end fixed mounting of axis body subassembly (1) has coupling assembling (2), just the other end fixed mounting of coupling assembling (2) has operating element (3), coupling assembling (2) are made for insulating material, just operating element's (3) one end is pegged graft and is had set screw (4), operating element (3) are passed through set screw (4) fixed mounting be in on coupling assembling (2), just axis body subassembly (1) includes main shaft (101), the outside cladding fixed mounting of main shaft (101) has rubber layer (102), the one end of coupling assembling (2) is pegged graft on main shaft (101), the one end outside of coupling assembling (2) with rubber layer (102) looks threaded connection.

2. The three-phase switch-operating main shaft with good insulation performance according to claim 1, characterized in that: the middle position of the main shaft (101) is vertically provided with a waist hole (103) with a waist-shaped structure, a connecting piece (104) is inserted into the waist hole (103), and the connecting piece (104) and the rubber layer (102) are made of an integrated structure.

3. The three-phase switch-operating main shaft with good insulation performance according to claim 2, wherein: one end of the rubber layer (102) is fixedly provided with a threaded sleeve (105), one end of the connecting assembly (2) is in threaded connection with the threaded sleeve (105), an insulating woven layer (106) is fixedly arranged on the outer side of the rubber layer (102) in a woven mode, pin holes (107) are formed in the two transverse sides of one end, located on the threaded sleeve (105), of the main shaft (101), and one end of the connecting assembly (2) is inserted into the pin holes (107).

4. The three-phase switch-operating main shaft with good insulation performance according to claim 3, wherein: coupling assembling (2) include connecting block (201), just one side fixed mounting of connecting block (201) has gasket (202) of T type structure, connecting block (201) with gasket (202) formula structure as an organic whole, the equal fixed mounting in one side horizontal both ends of gasket (202) has pin rod (203), just pin rod (203) are pegged graft the inside of pinhole (107), one side of gasket (202) with one side of main shaft (101) is compressed tightly mutually.

5. The three-phase switch-operating main shaft with good insulation performance according to claim 4, wherein: the gasket (202) and the connecting block (201) are connected and the threaded cap (204) is rotatably sleeved at the position, the threaded cap (204) is connected to the threaded sleeve (105) through one end in a threaded mode, a spline (205) is arranged at one end of the connecting block (201), and one end of the operating assembly (3) is clamped inside the spline (205).

6. The three-phase switch-operating main shaft with good insulation performance according to claim 5, wherein: a threaded hole (206) is formed in the middle of one side of the connecting block (201), and one end of the fixing screw (4) is connected to the inside of the threaded hole (206) in a threaded mode.

7. The three-phase switch-operating main shaft with good insulation performance according to claim 6, wherein: the operating assembly (3) comprises a knob (301), a sleeve (302) is fixedly mounted at one end of the knob (301), the sleeve (302) is sleeved on the connecting block (201), a limiting block (303) is uniformly and fixedly mounted on one side of the inside of the sleeve (302), and the limiting block (303) is clamped inside the spline (205).

8. The three-phase switch-operating main shaft with good insulation performance according to claim 7, wherein: a counter bore (304) is formed in the middle of the knob (301), the fixing screw (4) is inserted into the counter bore (304), one end of the fixing screw (4) penetrates through the counter bore (304) to be in threaded connection with the threaded hole (206), and the knob (301) is fixedly mounted on the connecting component (2) through the fixing screw (4).