CN212011545U

CN212011545U - Carbon brush with good safety performance

Info

Publication number: CN212011545U
Application number: CN202020927304.3U
Authority: CN
Inventors: 于海生; 陈晓燕; 顾燕青
Original assignee: Mersen Carbon Products Shanghai Co ltd
Current assignee: Mersen Carbon Products Shanghai Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-11-24
Anticipated expiration: 2030-05-28

Abstract

The utility model provides a carbon brush that security performance is good, which comprises a body, the top surface of body is provided with the wire, and the top of wire is connected with the connecting block, the wiring port has been seted up to the inside of connecting block, and the inside of wiring port is provided with fixed establishment, the top surface mounting of connecting block has the copper sheet, and the outside of copper sheet is connected with wear-resisting cladding material, the outside of wire is provided with protection machanism, and installs anti-oxidant coating above the front of wire, protection machanism is inside including having hollow piece cover. The utility model discloses in, under protection machanism's effect, the lag is installed with the junction of wire to this carbon brush, and the lag adopts rigid rubber material to make, prevents when butting this carbon brush and motor for the carbon brush is buckled with the line body of wire joint department, and long-term buckling can make the junction crust of wire break, carries out effectual protection to this, prevents that the circuit is damaged, leads to carbon brush bad operation, prolongs the life of carbon brush.

Description

Carbon brush with good safety performance

Technical Field

The utility model relates to a carbon brush technical field especially relates to a carbon brush that security performance is good.

Background

The carbon brush is applied to a plurality of electrical equipment, and is applied to an automobile engine, a motor, a generator and the like, and the carbon brush is mainly made of impregnated graphite, metal graphite and the like, and has good electrical conductivity mainly aiming at metal friction.

The existing carbon brush does not have a structure which can protect the carbon brush at the connection position of a wire to prevent the wire body leather sheath from being broken and exposing a metal wire, does not have a structure which can quickly fix the wire and a copper sheet and can reinforce the anti-falling performance, and does not have a mechanism which can prevent the copper sheet from being abraded and oxidized and can prevent the electric conductivity from being poor.

Therefore, it is necessary to provide a carbon brush with good safety to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a carbon brush that security performance is good has solved current carbon brush and has not possessed and can protect the structure that prevents the fracture of line body leather sheath and expose the metal wire in the wire junction to the carbon brush, does not possess moreover and can with the wire with between the copper sheet quick fixation and can consolidate the structure of anticreep to do not possess the problem that can prevent the copper sheet wearing and tearing, oxidation and prevent the not good mechanism of electric conductive property.

For solving the technical problem, the utility model provides a pair of carbon brush that security performance is good, which comprises a body, the top surface of body is provided with the wire, and the top of wire is connected with the connecting block, the wiring port has been seted up to the inside of connecting block, and the inside of wiring port is provided with fixed establishment, the top surface mounting of connecting block has the copper sheet, and the outside of copper sheet is connected with wear-resisting cladding material, the outside of wire is provided with protection machanism, and installs anti-oxidant coating above the front of wire, protection machanism is inside including hollow block, and the outside threaded connection of hollow block has the connection lid, the top surface mounting of connection lid has the lag.

Preferably, the protective sleeve and the hollow block form a fixed structure through the connecting cover, and the central axis of the protective sleeve coincides with the central axis of the connecting cover.

Preferably, the cross-sectional area of the copper sheet is larger than that of the wear-resistant coating, and the transverse axis of the copper sheet is parallel to that of the wear-resistant coating.

Preferably, fixed establishment is inside including twisting the head, and twists the bottom surface of head and be connected with the threaded rod, the outside fixed mounting of threaded rod has the loose axle, and the outside threaded connection of threaded rod has the nut, the movable block is installed to the positive below of threaded rod, and the outside fixedly connected with slider of movable block, the outside sliding connection of slider has the spout, and the fixed block is installed to the positive below of slider.

Preferably, the movable block passes through slider, spout and connecting block constitution sliding construction, and the axis of movable block coincides mutually with the axis of fixed block.

Preferably, the threaded rod forms rotating-structure through loose axle and movable block, and the axis of threaded rod coincides mutually with the axis of loose axle.

Compared with the prior art, the utility model provides a pair of carbon brush that security performance is good has following beneficial effect:

1. the utility model discloses in, under protection machanism's effect, the lag is installed with the junction of wire to this carbon brush, and the lag adopts rigid rubber material to make, prevents when butting this carbon brush and motor for the carbon brush is buckled with the line body of wire joint department, and long-term buckling can make the junction crust of wire break, carries out effectual protection to this, prevents that the circuit is damaged, leads to carbon brush bad operation, prolongs the life of carbon brush.

2. The utility model discloses in, under fixed establishment's effect, when needs are connected the equipment with wire and copper sheet, then can put into the metal wire of wire front end wiring port inside, will twist the head again and move, make the threaded rod rotate, thereby make the movable block position remove, make the movable block fix the wire metal end on the fixed block, then tighten the nut, make the movable block rigidity, so make things convenient for in staff's connection, and make things convenient for in changing copper sheet or carbon brush, wholly adopt the concatenation, practice thrift the replacement cost.

3. The utility model discloses in, under the effect of wear-resisting cladding material and anti-oxidant coating, there is chromium plating layer at the surface electroplating of copper sheet to improve the holistic hardness of copper sheet, it is higher for hardness in the past, and have good wearability when fixed, prevent that copper sheet surface scratch from causing electric conductive property to descend, and scribble the antioxidant on the surface of copper sheet, make the difficult oxidation in copper sheet surface, thereby guarantee the whole electric conductive property of its carbon brush.

Drawings

Fig. 1 is a schematic view of an overall structure of a carbon brush with good safety performance according to the present invention;

fig. 2 is a schematic structural view of the protection mechanism provided by the present invention;

fig. 3 is a schematic structural view of the fixing mechanism provided by the present invention;

fig. 4 is a schematic structural view of the wear-resistant coating and the oxidation-resistant coating provided by the present invention.

Reference numbers in the figures: 1. A body; 2. A wire; 3. Connecting blocks; 4. A copper sheet; 5. A protection mechanism; 501. A hollow block; 502. A connecting cover; 503. A protective sleeve; 6. A wiring port; 7. A fixing mechanism; 701. Screwing the head; 702. A threaded rod; 703. A movable shaft; 704. A nut; 705. A movable block; 706. A slider; 707. A chute; 708. A fixed block; 8. A wear-resistant coating; 9. And (4) an anti-oxidation coating.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic view of an overall structure of a carbon brush with good safety performance according to the present invention; FIG. 2 is a schematic view of the protection mechanism provided by the present invention; fig. 3 is a schematic structural view of the fixing mechanism provided by the present invention; fig. 4 is a schematic structural view of the wear-resistant coating and the oxidation-resistant coating provided by the present invention. A carbon brush with good safety performance comprises a body 1, a lead 2, a connecting block 3, copper sheets 4, a protection mechanism 5, a hollow block 501, a connecting cover 502, a protective sleeve 503, a wiring port 6, a fixing mechanism 7, a twisting head 701, a threaded rod 702, a movable shaft 703, a nut 704, a movable block 705, a sliding block 706, a sliding groove 707, a fixed block 708, a wear-resistant coating 8 and an anti-oxidation coating 9, wherein the lead 2 is arranged on the top end surface of the body 1, the connecting block 3 is connected to the top end of the lead 2, the wiring port 6 is arranged inside the connecting block 3, the fixing mechanism 7 is arranged inside the wiring port 6, the copper sheets 4 are arranged on the top end surface of the connecting block 3, the wear-resistant coating 8 is connected to the outer sides of the copper sheets 4, the protection mechanism 5 is arranged outside the lead 2, the anti-oxidation coating 9 is arranged above, and the outside threaded connection of hollow block 501 has connection cover 502, and the top surface mounting of connection cover 502 has lag 503, and wherein body 1 is the carbon brush, and the top is connected with wire 2 two sets ofly, and the top surface screw fixation of body 1 hollow block 501, and the outer wall surface of hollow block 501 is provided with the screw thread.

Further, the protecting sleeve 503 forms a fixed structure with the hollow block 501 through the connecting cover 502, and the central axis of the protecting sleeve 503 coincides with the central axis of the connecting cover 502, wherein the inner wall of the connecting cover 502 is provided with threads, and the connecting cover 502 and the hollow block 501 are made of rigid plastics, so that the protecting sleeve has good insulating property, and the protecting sleeve 503 is made of rigid rubber.

Furthermore, the cross-sectional area of the copper sheet 4 is larger than that of the wear-resistant coating 8, the transverse axis of the copper sheet 4 is parallel to that of the wear-resistant coating 8, a chromium coating is electroplated on the outer side of the copper sheet 4, an antioxidant is coated on the outer side of the chromium coating, and the antioxidant is an aqueous antirust agent.

Further, fixed establishment 7 is inside including twisting head 701, and twisting head 701's bottom surface is connected with threaded rod 702, threaded rod 702's outside fixed mounting has loose axle 703, and threaded rod 702's outside threaded connection has nut 704, movable block 705 is installed to threaded rod 702's front below, and movable block 705's outside fixedly connected with slider 706, slider 706's outside sliding connection has spout 707, and slider 706's front below installs fixed block 708, wherein spout 707 is seted up to connecting block 3 inside connection port 6's both sides inner wall, fixed block 708 screw fixation is in connection port 6's bottom inner wall department, fixed welding between movable block 705 and the slider 706.

Further, the movable block 705 forms a sliding structure with the connecting block 3 through the sliding block 706 and the sliding groove 707, and the central axis of the movable block 705 coincides with the central axis of the fixed block 708, wherein a thread groove is formed in the inner wall of the top end of the wiring port 6, so that the threaded rod 702 can effectively penetrate and be screwed in, and the position of the threaded rod 702 is moved to drive the position of the movable block 705 to move.

Further, the threaded rod 702 forms a rotating structure with the movable block 705 through the movable shaft 703, and a central axis of the threaded rod 702 coincides with a central axis of the movable shaft 703.

The utility model provides a pair of carbon brush that security performance is good's theory of operation as follows:

the connection part of the carbon brush and the lead 2 is provided with a protective sleeve 503, the protective sleeve 503 is made of hard rubber materials, so that when the carbon brush is in butt joint with a motor, the wire body at the joint of the carbon brush and the lead 2 is bent, the outer skin of the connection part of the lead 2 is broken due to long-term bending, the connection part is effectively protected, the circuit is prevented from being damaged, the carbon brush is prevented from poor working, the service life of the carbon brush is prolonged, when the lead 2 and the copper sheet 4 are required to be connected and assembled, the metal wire at the front end of the lead 2 can be placed into the wiring port 6, the twisting head 701 is twisted, the threaded rod 702 is rotated, the movable block 705 is moved, the metal wire head of the lead 2 is fixed on the fixed block 708 by the movable block 705, the nut 704 is then screwed, the movable block 705 is fixed, the connection of workers is convenient, and the copper sheet 4 or the carbon brush is, the whole splicing is adopted, the replacement cost is saved, the chromium plating layer is electroplated on the surface of the copper sheet 4, so that the whole hardness of the copper sheet 4 is improved, the hardness is higher than the original hardness, the copper sheet 4 has good wear resistance when being fixed, the electric conductivity is reduced due to the fact that the copper sheet 4 is scratched on the surface, the antioxidant is coated on the surface of the copper sheet 4, the surface of the copper sheet 4 is not easy to oxidize, the whole electric conductivity of the carbon brush is ensured, and the working principle of the device is completed.

1. the utility model discloses in, under protection machanism 5's effect, lag 503 is installed with the junction of wire 2 to this carbon brush, and lag 503 adopts rigid rubber material to make, prevents when butting this carbon brush and motor for the carbon brush is buckled with the line body of 2 joint departments of wire, and long-term buckling can make the junction crust of wire 2 break, carries out effectual protection to this, prevents that the circuit is damaged, leads to carbon brush work bad, prolongs the life of carbon brush.

2. The utility model discloses in, under fixed establishment 7's effect, when needs are connected wire 2 and copper sheet 4 and are assembled, then can put into wire connection port 6 with the metal wire of wire 2 front end inside, will twist first 701 again and move, make threaded rod 702 rotate, thereby make movable block 705 position remove, make movable block 705 fix wire 2 metal wire end on fixed block 708, then screw up nut 704, make movable block 705 fixed position, make convenient connection in staff like this, and make things convenient for in changing copper sheet 4 or carbon brush, wholly adopt the concatenation, practice thrift the replacement cost.

3. The utility model discloses in, under the effect of wear-resisting cladding material 8 and anti-oxidant coating 9, there is the chromium coating at the surface electroplating of copper sheet 4 to improve the holistic hardness of copper sheet 4, it is higher for hardness in the past, and have good wearability when fixed, prevent that 4 surface scratches of copper sheet from causing electric conductive property to descend, and scribble the antioxidant on the surface of copper sheet 4, make 4 difficult oxidations in surface of copper sheet, thereby guarantee the whole electric conductive property of its carbon brush.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a carbon brush that security performance is good, includes body (1), its characterized in that: the utility model discloses a lead connection structure, including body (1), top surface and connecting block (3), wiring port (6) have been seted up to the inside of connecting block (3), and the inside of wiring port (6) is provided with fixed establishment (7), the top surface mounting of connecting block (3) has copper sheet (4), and the outside of copper sheet (4) is connected with wear-resisting cladding material (8), the outside of wire (2) is provided with protection machanism (5), and installs anti-oxidant coating (9) above the front of wire (2), protection machanism (5) are inside including hollow block (501), and the outside threaded connection of hollow block (501) has connecting cover (502), the top surface mounting of connecting cover (502) has lag (503).

2. The carbon brush with high safety performance according to claim 1, wherein the protective sleeve (503) and the hollow block (501) form a fixed structure through the connecting cover (502), and a central axis of the protective sleeve (503) is coincident with a central axis of the connecting cover (502).

3. A carbon brush with good safety according to claim 1, wherein the copper sheet (4) has a cross-sectional area larger than that of the wear-resistant plating layer (8), and a transverse axis of the copper sheet (4) is parallel to that of the wear-resistant plating layer (8).

4. The carbon brush with good safety performance according to claim 1, wherein the fixing mechanism (7) internally comprises a screwing head (701), a threaded rod (702) is connected to the bottom end surface of the screwing head (701), a movable shaft (703) is fixedly mounted on the outer side of the threaded rod (702), a nut (704) is connected to the outer thread of the threaded rod (702), a movable block (705) is mounted below the front face of the threaded rod (702), a sliding block (706) is fixedly connected to the outer side of the movable block (705), a sliding groove (707) is slidably connected to the outer side of the sliding block (706), and a fixed block (708) is mounted below the front face of the sliding block (706).

5. The carbon brush with good safety performance according to claim 4, wherein the movable block (705) forms a sliding structure with the connecting block (3) through the sliding block (706), the sliding groove (707), and a central axis of the movable block (705) coincides with a central axis of the fixed block (708).

6. The carbon brush with high safety performance according to claim 4, wherein the threaded rod (702) forms a rotating structure with the movable block (705) through the movable shaft (703), and a central axis of the threaded rod (702) coincides with a central axis of the movable shaft (703).