CN213783040U

CN213783040U - Brushless excitation generator

Info

Publication number: CN213783040U
Application number: CN202023293039.7U
Authority: CN
Inventors: 陈东
Original assignee: Jiangsu Lingyu Motor Co ltd
Current assignee: Jiangsu Lingyu Motor Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-07-23
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of generators, and discloses a brushless excitation generator, which comprises a generator body, wherein the upper end of the generator body is connected with a junction box, a voltage controller is arranged in the junction box, a box cover is arranged at the upper end box opening of the junction box, and the box cover is connected with the junction box through a locking mechanism; the locking mechanism comprises a supporting disc, the supporting disc is arranged in a junction box under the box cover, a spring is fixedly connected to the upper end of the supporting disc, the other end of the spring is fixedly connected to the lower end of the box cover, a pull rod is fixedly connected to the center of the upper end of the supporting disc, a matched pull hole is formed in the position, corresponding to the pull rod, of the center of the box cover, and one end, far away from the supporting disc, of the pull rod penetrates through the spring, the pull hole and extends outwards. The utility model discloses need not to pull down a plurality of screws tightly one by one, can take off the lid from terminal box upper end box mouth, operate voltage regulator, improved opening efficiency and the convenience of lid.

Description

Brushless excitation generator

Technical Field

The utility model relates to a generator technical field especially relates to a brushless excitation generator.

Background

The brushless excitation generator consists of a main generator, a rotary armature type exciter coaxial with the main generator, a rectifying device fixed on a rectifying wheel coaxial with a rotor of the main generator and a voltage regulator. The working principle of the device is that excitation is provided for an excitation winding of an exciter on a stator, a point winding of a rotor of the device emits alternating current, the alternating current is supplied to an excitation winding of a main generator on the rotor after rectification, so that the main generator supplies the alternating current required by an armature winding induction part of the stator, in order to protect a voltage regulator, the voltage regulator is generally arranged in a junction box, a box opening of the junction box is connected with a box cover through four positioning screws, when the box cover is required to be opened to operate the voltage regulator, the four positioning screws are required to be detached one by one, and the device is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art in order to protect voltage regulator, voltage regulator generally sets up in the terminal box, and the box mouth of terminal box is connected with the lid through four set screw, when the lid was operated voltage regulator to needs opening, need pull down four set screw one by one, too loaded down with trivial details problem, and the brushless excitation generator who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a brushless excitation generator comprises a generator body, wherein the upper end of the generator body is connected with a junction box, a voltage controller is installed in the junction box, a box cover is arranged at a box opening at the upper end of the junction box, and the box cover is connected with the junction box through a locking mechanism;

the locking mechanism comprises a supporting disc, the supporting disc is arranged in a junction box below a box cover, the upper end of the supporting disc is fixedly connected with a spring, the other end of the spring is fixedly connected with the lower end of the box cover, the center of the upper end of the supporting disc is fixedly connected with a pull rod, the center of the box cover is provided with matched pull holes corresponding to the pull rod, one end, far away from the supporting disc, of the pull rod sequentially penetrates through the spring and the pull holes and extends outwards, the lower end of the box cover is symmetrically connected with locking plates relative to the supporting disc, locking holes are formed in the locking plates, locking rods are inserted into the locking holes, the two ends of each locking rod penetrate through the locking holes and extend outwards, the inner box wall, corresponding to the positions of the locking rods, of the junction box is provided with matched locking grooves, one ends, far away from the supporting disc, of the locking rods are inserted into the locking grooves, and one ends, close to the supporting disc, of the locking rods are hinged with transmission rods, the other end of the transmission rod is hinged on the annular side wall of the supporting disc.

Preferably, a sealing ring is arranged between the pull rod and the pull hole, and the sealing ring is fixedly connected to the hole wall of the pull hole.

Preferably, use the locking rod as the center on the pore wall of lock hole and be four rolling grooves of having seted up of the even equidistance of annular, the rolling inslot is equipped with rolling ball, the ball passes the notch setting in rolling groove, and ball roll connection is on the pole wall of locking rod.

Preferably, the two sides of the box cover are symmetrically connected with L-shaped limiting rods, the vertical ends of the limiting rods are sleeved with limiting rings, and the limiting rings are fixedly connected to the corresponding outer box walls of the junction box.

Preferably, one end of the pull rod, which is far away from the supporting plate, is connected with a pull handle.

Preferably, the ball has a ball diameter larger than a groove diameter of the rolling groove opening.

Compared with the prior art, the utility model provides a brushless excitation generator possesses following beneficial effect:

this brushless excitation generator, through setting up the locking mechanism, when the lid is controlled voltage controller to needs to be opened to needs, the lid is pressed to one hand, ascending pulling force is applyed to the pull rod to the other hand, compress the spring when driving the supporting disk up motion, drive two locking rods through two articulated transfer lines during the supporting disk motion and do the relative motion on two locking plates, the one end of keeping away from the supporting disk with the locking rod is extracted from the locking groove, when keeping lid and pull rod position motionless, can take off the lid from terminal box upper end box mouth, operate voltage regulator, need not to pull down a plurality of screws tightly one by one, the efficiency and the convenience of opening of lid have been improved.

The device does not relate to the part all the same with prior art or can adopt prior art to realize, the utility model discloses need not to pull down a plurality of screws tightly one by one, can take off the lid from terminal box upper end box mouth, operate voltage regulator, improved opening efficiency and the convenience of lid.

Drawings

Fig. 1 is a schematic structural diagram of a brushless excitation generator according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the generator comprises a generator body 1, a junction box 2, a voltage controller 3, a box cover 4, a support plate 5, a spring 6, a pull rod 7, a locking plate 8, a locking hole 9, a locking rod 10, a locking groove 11, a transmission rod 12, a sealing ring 13, a rolling groove 14, a ball 15, a limiting rod 16, a limiting ring 17 and a pull handle 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a brushless excitation generator comprises a generator body 1, wherein the upper end of the generator body 1 is connected with a junction box 2, a voltage controller 3 is installed in the junction box 2, a box cover 4 is arranged at a box opening at the upper end of the junction box 2, and the box cover 4 is connected with the junction box 2 through a locking mechanism;

the locking mechanism comprises a supporting plate 5, the supporting plate 5 is arranged in a junction box 2 right below a box cover 4, the upper end of the supporting plate 5 is fixedly connected with a spring 6, the other end of the spring 6 is fixedly connected with the lower end of the box cover 4, the center of the upper end of the supporting plate 5 is fixedly connected with a pull rod 7, the center of the box cover 4 is provided with a matched pull hole corresponding to the pull rod 7, one end of the pull rod 7 far away from the supporting plate 5 sequentially penetrates through the spring 6 and the pull hole and extends outwards, the lower end of the box cover 4 is symmetrically connected with a locking plate 8 relative to the supporting plate 5, the locking plate 8 is provided with a locking hole 9, a locking rod 10 is inserted into the locking hole 9, two ends of the locking rod 10 penetrate through the locking hole 9 and extend outwards, the inner box wall of the junction box 2 corresponding to the position of the locking rod 10 is provided with matched locking grooves 11, one end of the locking rod 10 far away from the supporting plate 5 is inserted into the locking groove 11, one end of the locking rod 10 close to the supporting plate 5 is hinged with a transmission rod 12, the other end of the transmission rod 12 is hinged on an annular side wall of the supporting plate 5, when the box cover 4 needs to be opened to control the voltage controller 3, one hand presses the box cover 4, the other hand exerts upward pulling force on the pull rod 7, the supporting plate 5 is driven to move upwards and simultaneously compress the spring 6, the two locking rods 10 are driven to move oppositely on the two locking plates 8 through the two hinged transmission rods 12 when the supporting plate 5 moves, one end, far away from the supporting plate 5, of each locking rod 8 is pulled out of the locking groove 11, the box cover 4 and the pull rod 7 can be kept in the motionless position, the box cover 4 can be taken down from an upper box opening of the terminal box 2, the voltage regulator 3 is operated, a plurality of screws do not need to be tightly detached one by one, and the opening efficiency and convenience of the box cover 4 are improved.

A sealing ring 13 is arranged between the pull rod 7 and the pull hole, and the sealing ring 13 is fixedly connected to the hole wall of the pull hole, so that the sealing property between the pull rod 7 and the pull hole is improved.

The hole wall of the locking hole 9 is provided with four rolling grooves 14 which are uniformly and equidistantly arranged in an annular shape by taking the locking rod 10 as a center, rolling balls 15 are arranged in the rolling grooves 14, the balls 15 penetrate through notches of the rolling grooves 14, the balls 15 are connected to the rod wall of the locking rod 10 in a rolling mode, the locking rod 10 is clamped through the balls 15 which are annularly distributed, when the locking rod 10 moves in the locking hole 9, the balls 15 are driven to roll, and the friction resistance of the locking rod 10 during movement in the locking hole 9 is reduced.

The both sides symmetric connection of lid 4 has the gag lever post 16 that is "L" type, and the cover is equipped with spacing ring 17 on the vertical end of gag lever post 16, and spacing ring 17 fixed connection is on the outer box wall of the correspondence of terminal box 2, and when lid 4 covered on the box mouth of terminal box 2, gag lever post 16 was inserted and is established in spacing ring 17, has improved the steadiness of lid 4 on terminal box 2.

One end of the pull rod 7, which is far away from the support plate 5, is connected with a pull handle 18, and the pull rod 7 can be driven to synchronously move by holding the pull handle 18.

The ball 15 has a larger spherical diameter than the groove diameter of the notch of the rolling groove 14, preventing the ball 15 from slipping out of the rolling groove 14.

The utility model discloses in, when lid 4 is controlled voltage controller 3 to needs opening, lid 4 is pressed to one hand, another hand applys ascending pulling force to pull rod 7, compress spring 6 when driving 5 upward movements of supporting disk, drive two lock rod 10 through articulated two transfer lines 12 during the supporting disk 5 motion and be the opposite direction movement on two lock rod 8, the one end of keeping away from supporting disk 5 with lock rod 8 is extracted from lock groove 11, when keeping lid 4 and pull rod 7 motionless, can take off lid 4 from terminal box 2 upper end box mouth, operate voltage regulator 3, need not to tightly pull down a plurality of screws one by one, the efficiency and the convenience of opening of lid 4 have been improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A brushless excitation generator comprises a generator body (1), wherein the upper end of the generator body (1) is connected with a junction box (2), and a voltage controller (3) is installed in the junction box (2), and the brushless excitation generator is characterized in that a box cover (4) is arranged at a box opening at the upper end of the junction box (2), and the box cover (4) is connected with the junction box (2) through a locking mechanism;

the locking mechanism comprises a supporting plate (5), the supporting plate (5) is arranged in a junction box (2) right below a box cover (4), a spring (6) is fixedly connected to the upper end of the supporting plate (5), the other end of the spring (6) is fixedly connected to the lower end of the box cover (4), a pull rod (7) is fixedly connected to the center of the upper end of the supporting plate (5), matched pull holes are formed in the position, corresponding to the pull rod (7), of the center of the box cover (4), one end, far away from the supporting plate (5), of the pull rod (7) penetrates through the spring (6) and the pull holes in sequence and extends outwards, the lower end of the box cover (4) is symmetrically connected with a locking plate (8) relative to the supporting plate (5), a locking hole (9) is formed in the locking plate (8), a locking rod (10) is inserted into the locking hole (9), and two ends of the locking rod (10) penetrate through the locking hole (9) and extend outwards, the inner box wall of the junction box (2) corresponding to the position of the locking rod (10) is provided with a matched locking groove (11), one end, far away from the supporting plate (5), of the locking rod (10) is inserted into the locking groove (11), one end, close to the supporting plate (5), of the locking rod (10) is hinged to a transmission rod (12), and the other end of the transmission rod (12) is hinged to the annular side wall of the supporting plate (5).

2. A brushless excitation generator according to claim 1, wherein a sealing ring (13) is arranged between the pull rod (7) and the pull hole, and the sealing ring (13) is fixedly connected to the wall of the pull hole.

3. A brushless excitation generator according to claim 1, wherein the wall of the locking hole (9) has four rolling grooves (14) formed therein, uniformly and equidistantly in a circular shape, centered on the locking rod (10), the rolling grooves (14) have rolling balls (15) disposed therein, the rolling balls (15) pass through the notches of the rolling grooves (14), and the rolling balls (15) are connected to the rod wall of the locking rod (10) in a rolling manner.

4. A brushless excitation generator according to claim 1, wherein two sides of the box cover (4) are symmetrically connected with a limiting rod (16) in an "L" shape, a limiting ring (17) is sleeved on a vertical end of the limiting rod (16), and the limiting ring (17) is fixedly connected to a corresponding outer box wall of the junction box (2).

5. A brushless excitation generator according to claim 1 wherein a pull handle (18) is attached to the end of the pull rod (7) remote from the support plate (5).

6. A brushless excitation generator according to claim 3 wherein the ball (15) has a ball diameter greater than the groove diameter of the rolling groove (14) slot.