Pawl fixing structure of pawl type generator

Abstract

The utility model discloses a pawl fixing structure of a pawl type generator, and relates to the technical field of pawl type generators. According to the pawl fixing structure of the pawl type generator, the claw poles, the tool frame, the pawl fixing ring and the like are arranged, the claw poles composed of the multiple pawl pieces are installed on the tool frame, the claw poles are distributed in a staggered mode, the pawl fixing ring limits the multiple claw poles, and the upper ends and the lower ends of the claw poles are fixed through the notch grooves and the clamping grooves; the stability of the plurality of pawl pieces is increased, so that the pawl ratchets are completely fixed, the possibility that the pawl ratchets are pulled to be opened by magnetic force can be effectively eliminated, the bad defects that the rotating torsion is increased and the power generation power is reduced due to abnormal sound and vibration are avoided, and in addition, the phenomenon that the pawl ratchets are in friction contact with an internal enameled coil to cut the coil can be thoroughly eliminated. And therefore, the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ratchet type generators, in particular to a ratchet fixing structure of a ratchet type generator. Background Art

[0002] Currently, most bicycle hubs use a laminated pawl generator structure. The laminated pawl rotates in an interlaced magnetic field, causing its own magnetic poles and magnetic flux to change, thereby causing the coil to produce alternating current and achieve power generation.

[0003] However, the existing pawl generator lacks a limiting structure on the pawl, which causes the pawl to separate due to defects in the lamination technology during fixation and long-term magnetic pulling, thereby generating vibration, abnormal noise, increased rotational resistance, and affecting the magnetic flux, reducing power generation efficiency. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides a pawl fixing structure for a pawl-type generator, which solves the problem that the pawl on the existing pawl generator lacks a limiting structure, resulting in defects in the pawl when fixed due to the lamination technology, and the pawl will separate under long-term magnetic pulling, thereby generating vibration, abnormal noise, increased rotational resistance, and affecting the magnetic flux to reduce the power generation efficiency.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a pawl fixing structure of a pawl-type generator, comprising a generator body, a shaft mounted in the generator body, the shaft penetrating the generator body from top to bottom, and threaded grooves provided on the upper and lower ends of the shaft surface, a protective cover provided on the outside of the generator body, the upper end of the protective cover being connected to the shaft via a fixing seat, a chassis being sleeved on the outside of the shaft at the lower end of the generator body, and the chassis and the shaft being connected via a bearing seat;

[0006] The generator body consists of a tooling frame, a coil and a number of claw poles consisting of pawl pieces. The claw poles are located on the upper and lower sides of the tooling frame and are distributed in two groups in a staggered manner. Each group of claw poles is distributed in a circular array. Claw poles are installed at the upper and lower ends of the tooling frame, and a pawl fixing ring is provided on the outside of the coil.

[0007] Preferably, the shaft and the tooling frame are sleeved together, the tooling frame is designed in an I-shaped structure, and the coil is located on the outside of the tooling frame.

[0008] Preferably, the lower end of the protective cover is adapted to the outer diameter of the chassis, and a junction box is provided at the lower end of the chassis.

[0009] Preferably, notch grooves are provided at both upper and lower ends of the surface of the tooling frame, and the notch grooves are distributed in a circular array. The surface of the tooling frame is provided with engaging grooves on the sides of the notch grooves, and the surface inside the tooling frame is provided with limiting grooves.

[0010] Preferably, the claw pole is designed in a U-shaped structure, one end of the claw pole extends into the limiting groove, and the claw pole is adapted to the notch groove, and the other end of the claw pole is engaged and connected with the engaging groove.

[0011] Preferably, a fixing groove is opened on the side of the pawl fixing ring, the fixing groove is designed in a trapezoidal structure, and the fixing grooves are distributed in a ring array. The inner bottom of the fixing groove is designed in an inclined structure, and the fixing groove is adapted to the claw pole.

[0012] Beneficial effects

[0013] The utility model provides a pawl fixing structure for a pawl-type generator. Compared with the prior art, it has the following beneficial effects:

[0014] The pawl fixing structure of the ratchet-type generator is provided with a claw pole, a tooling frame and a pawl fixing ring. The claw pole composed of multiple pawl pieces is installed on the tooling frame so that the claw poles are distributed in a staggered manner, and the pawl fixing ring limits the multiple claw poles. The upper and lower ends of the claw pole are fixed by notched grooves and engaging grooves, which increases the stability of the multiple pawl pieces, so that the pawl is completely fixed, which can effectively eliminate the possibility of the pawl being pulled open by magnetic force, and eliminate the defects of increased rotational torque and decreased power generation caused by abnormal noise and vibration. In addition, it can completely eliminate the hidden danger of the pawl and the internal enameled coil rubbing against each other and cutting the coil, resulting in abnormal function of the generator, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the protective cover of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the tooling frame of the present utility model;

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the claw pole of the present utility model;

[0019] Figure 5 This is a schematic diagram of the three-dimensional structure of the pawl fixing ring of the present utility model;

[0020] Figure 6 It is a schematic diagram of the cross-sectional structure of the pawl fixing ring of the present utility model.

[0021] In the figure: 1. Generator body; 11. Tooling frame; 111. Notch groove; 112. Engaging groove; 113. Limiting groove; 12. Coil; 13. Claw pole; 14. Ratchet fixing ring; 141. Fixing groove; 2. Shaft; 3. Protective cover; 4. Fixing seat; 5. Chassis; 51. Junction box; 6. Bearing seat. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-6 The utility model provides a technical solution: a ratchet fixing structure of a ratchet type generator, comprising a generator body 1, a shaft 2 installed in the generator body 1, the shaft 2 passes through the generator body 1 from top to bottom, and threaded grooves are provided on the upper and lower ends of the surface of the shaft 2, a protective cover 3 is provided on the outside of the generator body 1, the upper end of the protective cover 3 is connected to the shaft 2 through a fixing seat 4, the outer side of the shaft 2 is located at the lower end of the generator body 1 and is sleeved with a chassis 5, the lower end of the protective cover 3 is adapted to the outer diameter of the chassis 5, and a junction box 51 is provided at the lower end of the chassis 5, the chassis 5 and the shaft 2 are connected through a bearing seat 6, the entire generator body 1 is installed on the inner side of the protective cover 3, and the installation and power connection are realized through the shaft 2;

[0024] The generator body 1 consists of a claw pole 13 composed of a tooling frame 11, a coil 12 and a plurality of ratchet pieces. The shaft 2 and the tooling frame 11 are sleeved, and the tooling frame 11 is designed in an I-shaped structure. The coil 12 is located on the outside of the tooling frame 11. Notch grooves 111 are provided at the upper and lower ends of the surface of the tooling frame 11. The notch grooves 111 are distributed in a ring array. The surface of the tooling frame 11 is provided with a snap-fit groove 112 on the side of the notch groove 111. A limiting groove 113 is provided on the surface of the inner side of the tooling frame 11. The claw poles 13 are located on the upper and lower sides of the tooling frame 11 and are distributed in two groups in an alternating manner. Each group of claw poles 13 is distributed in a ring array. Claw poles 13 are installed at the upper and lower ends of the tooling frame 11. The claw pole 13 is designed in a U-shaped structure. One end of the claw pole 13 extends into the limiting groove 113, and the claw pole 13 is adapted to the notch groove 111. The other end of the claw pole 13 is snap-fitted and connected to the snap-fit groove 112. A ratchet is provided on the outside of the coil 12. The fixing ring 14 and the pawl fixing ring 14 are provided with a fixing groove 141 on the side thereof. The fixing groove 141 is designed in a trapezoidal structure and is distributed in a ring array. The inner bottom of the fixing groove 141 is designed in an inclined structure. The fixing groove 141 is adapted to the claw pole 13. The claw pole 13 composed of multiple pawl pieces is installed on the tooling frame 11, so that the claw pole 13 is staggered. The pawl fixing ring 14 limits the multiple claw poles 13, and the upper and lower ends of the claw pole 13 are fixed by the notch groove 111 and the locking groove 112, thereby increasing the stability of the multiple pawl pieces, so that the pawl is completely fixed, which can effectively eliminate the possibility of the pawl being pulled open by the magnetic force, and eliminate the defects of increased rotational torque and decreased power generation caused by abnormal noise and vibration. In addition, it can completely eliminate the hidden danger of the pawl and the inner enameled coil 2 frictionally contacting and cutting the coil 2, resulting in abnormal function of the generator, thereby improving practicality.

[0025] During operation, the entire generator body 1 is installed on the inner side of the protective cover 3, and the installation and power connection are achieved through the shaft 2. The junction box 51 can connect the circuit, and the claw pole 13 composed of multiple pawl pieces is installed on the tooling frame 11, so that the claw poles 13 are staggered. The pawl fixing ring 14 limits the multiple claw poles 13, and the upper and lower ends of the claw pole 13 are fixed by the notch groove 111 and the locking groove 112, increasing the stability of the multiple pawl pieces, so that the pawl is completely fixed, which can effectively eliminate the possibility of the pawl being pulled open by the magnetic force, and eliminate the defects of increased rotational torque and decreased power generation caused by abnormal noise and vibration. In addition, it can completely eliminate the hidden dangers of the pawl and the inner enameled coil 2 friction contact and cutting the coil 2, resulting in abnormal function of the generator, thereby improving practicality.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A pawl fixing structure of a pawl-type generator, comprising a generator body (1), characterized in that: A shaft (2) is installed in the generator body (1), the shaft (2) penetrates the generator body (1) from top to bottom, and thread grooves are provided at the upper and lower ends of the surface of the shaft (2), a protective cover (3) is provided on the outside of the generator body (1), the upper end of the protective cover (3) is connected to the shaft (2) through a fixing seat (4), the outer side of the shaft (2) is located at the lower end of the generator body (1) and is sleeved with a chassis (5), and the chassis (5) and the shaft (2) are connected through a bearing seat (6); The generator body (1) comprises a fixture frame (11), a coil (12) and claw poles (13) composed of a plurality of ratchet pieces. The claw poles (13) are located on the upper and lower sides of the fixture frame (11) and are arranged in two groups in a staggered manner. Each group of claw poles (13) is distributed in a ring array. Claw poles (13) are installed at both upper and lower ends of the fixture frame (11). A ratchet fixing ring (14) is provided on the outer side of the coil (12).

2. The ratchet fixing structure of a ratchet-type generator according to claim 1, characterized in that: The shaft (2) and the tooling frame (11) are sleeved together. The tooling frame (11) is designed in an I-shaped structure. The coil (12) is located outside the tooling frame (11).

3. The ratchet fixing structure of a ratchet-type generator according to claim 1, characterized in that: The lower end of the protective cover (3) is adapted to the outer diameter of the chassis (5), and a junction box (51) is provided at the lower end of the chassis (5).

4. The ratchet fixing structure of a ratchet-type generator according to claim 1, characterized in that: Notched grooves (111) are provided at both upper and lower ends of the surface of the tooling frame (11), and the notched grooves (111) are distributed in a ring array. Engaging grooves (112) are provided on the surface of the tooling frame (11) at the sides of the notched grooves (111), and a limiting groove (113) is provided on the inner surface of the tooling frame (11).

5. The ratchet fixing structure of a ratchet-type generator according to claim 4, characterized in that: The claw pole (13) is designed in a U-shaped structure, one end of the claw pole (13) extends into the limiting groove (113), and the claw pole (13) is adapted to the notch groove (111), and the other end of the claw pole (13) is engaged and connected with the engaging groove (112).

6. The ratchet fixing structure of a ratchet-type generator according to claim 1, characterized in that: A fixing groove (141) is provided on the side of the ratchet fixing ring (14), the fixing groove (141) is designed in a trapezoidal structure, and the fixing grooves (141) are distributed in a ring array, the inner bottom of the fixing groove (141) is designed in an inclined structure, and the fixing groove (141) is adapted to the claw pole (13).

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