CN220905081U - Fork truck steering wheel - Google Patents

Abstract

The application relates to a forklift steering wheel, which comprises a steering wheel main body arranged on a forklift, wherein the steering wheel main body comprises a steering wheel framework and a central shaft which are used for holding, the steering wheel framework comprises an outer layer and a reinforcing inner layer, and an installation position for installing an electric element is arranged in the reinforcing inner layer; an automatic rotation mechanism is arranged at the central shaft of the steering wheel main body, the automatic rotation mechanism comprises an elastic piece and a damper, the elastic piece is sleeved on the outer side of the central shaft, and the damper is sleeved and fixed on the central shaft; the elastic piece is a torsion spring, a mounting groove is formed in the steering wheel main body, the central shaft and the elastic piece are located in the mounting groove, and two ends of the elastic piece are in butt joint with the groove wall of the mounting groove. The application has the effects of high structural strength and high safety.

Description

Fork truck steering wheel

Technical Field

The application relates to the field of forklift structures, in particular to a forklift steering wheel.

Background

Fork trucks are industrial transportation vehicles, and are various wheeled transportation vehicles that perform handling, stacking, and short-distance transportation operations on pallet goods.

Steering wheels are an important component of forklifts. The integral bracket of the existing forklift steering wheel is generally made of plastic, the structural strength of the bracket is low, and electric elements such as a controller and the like are often arranged in the bracket, so that the components such as the controller and the like cannot be effectively protected; at present, the steering wheel is easy to rotate in the twinkling of an eye in the use, and operating personnel can't effectively react, has the potential safety hazard.

In view of the above-mentioned related art, the inventors consider that there are drawbacks in that the structural strength of the steering wheel is low and instantaneous rotation is liable to occur.

Disclosure of utility model

In order to improve the structural strength of a steering wheel and reduce the situation of instantaneous rotation of the steering wheel, the application provides a forklift steering wheel.

The application provides a forklift steering wheel which adopts the following technical scheme:

The steering wheel comprises a steering wheel main body arranged on a forklift, wherein the steering wheel main body comprises a steering wheel framework and a central shaft, the steering wheel framework is used for holding, the steering wheel framework comprises an outer layer and a reinforced inner layer, and an installation position for installing an electric element is arranged in the reinforced inner layer; the wheel seat of the steering wheel framework is provided with a sensor and gears meshed with each other, the gears are provided with rotatable magnets, and the sensor is used for sensing the magnets.

Through adopting the technical scheme, the framework part of the steering wheel main body comprises the outer layer and the reinforced inner layer, the structural strength of the whole steering wheel framework is enhanced through the reinforced inner layer, and better protection can be formed on the whole electrical components arranged in the installation position.

Preferably, the reinforcing inner layer is disposed in the outer layer.

Preferably, a plurality of mounting grooves are formed on the outer layer, the mounting grooves and the mounting phases are correspondingly arranged, and the knob is mounted in each mounting groove.

By adopting the technical scheme, the knob is connected with an electric element in the installation position, and the electric element is provided with a control main board.

Preferably, an automatic rotation mechanism is arranged at the central shaft of the steering wheel main body, the automatic rotation mechanism comprises an elastic piece and a damper, the elastic piece is sleeved on the outer side of the central shaft, and the damper is sleeved and fixed on the central shaft.

Through adopting above-mentioned technical scheme, the attenuator sets up on the center pin, has reduced center pin pivoted speed, has reduced the steering wheel and has appeared the instantaneous rotation possibility.

Preferably, the elastic piece is a torsion spring, a mounting groove is formed in the steering wheel main body, the central shaft and the elastic piece are located in the mounting groove, and two ends of the elastic piece are abutted to the groove wall of the mounting groove.

Through adopting above-mentioned technical scheme, can make the steering wheel gyration through the torsional spring, increased the security.

Preferably, the sensor is a hall sensor.

Through adopting above-mentioned technical scheme, hall sensor can effectively perception magnet.

Preferably, a control board is arranged at the wheel seat position of the steering wheel framework, and the sensor is arranged on the control board.

Preferably, the gear comprises a fixed gear and a movable gear, a magnet is arranged in the fixed gear, the movable gear is sleeved and fixed on the central shaft, and when the steering wheel main body rotates, the movable gear arranged on the central shaft rotates and drives the fixed gear and the magnet in the fixed gear to rotate.

Through adopting above-mentioned technical scheme, when steering wheel main part rotates, inside center pin and movable gear are necessarily rotated, and movable gear and fixed gear are the meshing, and movable gear's rotation has driven the magnet rotation in fixed gear and the fixed gear, can be by hall sensor perception after the magnet rotation, perception magnet pivoted angle etc. information to acquire whole steering wheel pivoted condition.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The framework part of the forklift steering wheel comprises the reinforced inner layer and the reinforced outer layer, and the structural strength of the whole framework part is increased through the reinforced inner layer, so that the framework part is not easy to break; the electric elements are arranged in the reinforced inner layer, and better compression-resistant anti-collision protection is formed on the electric elements through the limiting frame and the protective sleeve, so that the structure in the reinforced inner layer of the whole steering wheel is less prone to damage, and the safety is higher.

2. The forklift steering wheel is provided with the automatic rotation mechanism, and the damper and the elastic piece are arranged, so that the situation of instantaneous rotation of the whole steering wheel is not easy to occur, and the use is safer.

3. The gear, the magnet and the Hall sensor are arranged in the direction of the forklift, and the rotating angle of the magnet can be sensed through the Hall sensor, so that the rotating angle of the steering wheel is obtained, an operator can conveniently observe whether the steering wheel turns too much, and the attention of the operator is drawn.

Drawings

Fig. 1 is an external view of the present application.

Fig. 2 is a view showing the elevation structure of the present application.

Fig. 3 is a top cross-sectional view of the present application.

Fig. 4 is a cross-sectional view at the central axis of the present application.

Fig. 5 is a cross-sectional view of the gear of the present application.

Fig. 6 is a diagram of the connection between gears of the present application.

Reference numerals illustrate: 1. a steering wheel main body; 101. a mounting groove; 2. a steering wheel skeleton; 201. an outer layer; 202. reinforcing the inner layer; 3. a central shaft; 4. a mounting position; 5. a sensor; 6. A magnet; 7. a control board; 8. an elastic member; 9. a damper; 10. a movable gear; 11. a fixed gear; 12. and (5) a knob.

Detailed Description

The application is described in further detail below with reference to fig. 1-6.

The embodiment of the application discloses a forklift steering wheel.

Referring to fig. 1 and 3, a forklift steering wheel comprises a steering wheel main body 1 mounted on a forklift, wherein the steering wheel main body 1 comprises a steering wheel framework 2 and a central shaft 3 which are used for holding, the steering wheel framework 2 comprises an outer layer 201 made of plastic materials and a reinforced inner layer 202 made of metal materials, a mounting position 4 for mounting electric elements is arranged in the reinforced inner layer 202, and the electric elements (which are commonly used in steering wheels such as a control main board) are mounted at the mounting position 4.

Referring to fig. 6, a sensor 5 and a gear engaged with each other are installed at a wheel seat of the steering wheel frame 2, a rotatable magnet 6 is installed at the gear, and the sensor 5 is used for sensing the magnet 6 and is mainly used for acquiring information of a rotation angle of the magnet.

Referring to fig. 3, a reinforced inner layer 202 is built into an outer layer 201.

Referring to fig. 1, a plurality of mounting grooves are formed on an outer layer 201, and the mounting grooves are correspondingly arranged with the mounting positions 4, and the mounting grooves are provided with knobs 12, wherein the knobs 12 can be used for adjusting the light of a forklift, etc., which is the prior art.

Referring to fig. 2 and 4, an automatic steering mechanism is installed at the center shaft 3 of the steering wheel body 1, the automatic steering mechanism includes an elastic member 8 and a damper 9, the elastic member 8 is sleeved outside the center shaft 3, and the damper 9 is sleeved and fixed on the center shaft 3.

Referring to fig. 2 and 4, the elastic member 8 is a torsion spring, the steering wheel body 1 is formed with a mounting groove 101, the central shaft 3 and the elastic member 8 are positioned in the mounting groove 101, both ends of the elastic member 8 are abutted with the groove wall of the mounting groove 101, and the mounting groove 101 surrounds the central shaft 3.

Referring to fig. 6, a control board 7 is provided at the wheel seat position of the steering wheel frame 2, and the sensor 5 is mounted on the control board 7.

Wherein, structures such as a main board and a control board on the steering wheel main body 1 are all main control boards connected in the whole forklift.

Referring to fig. 6, the gears include a fixed gear 11 and a movable gear 10, the magnet 6 is mounted on a gear shaft connected to the fixed gear 11, the movable gear 10 is fixed on the central shaft 3 in a sleeved manner, and when the steering wheel body 1 rotates, the movable gear 10 disposed on the central shaft 3 rotates and drives the fixed gear 11 and the magnet 6 in the fixed gear 11 to rotate.

When the steering wheel main body 1 is operated, the central shaft 3 in the steering wheel main body 1 is rotated, the movable gear 10 is also rotated when the central shaft 3 is rotated, the fixed gear 11 and the magnet 6 on the fixed gear 11 are driven to rotate after the movable gear 10 rotates, the sensor 5 is a Hall sensor, the sensor 5 is close to the fixed gear 11 and can sense the magnet 6, the rotation angle of the magnet 6 is equal to the rotation degree of the steering wheel, the information can be fed back to a display screen of a forklift for checking, an operator can conveniently obtain the rotation degree of the steering wheel, and the situation of overlarge turning is not easy to occur by the operation of the operator.

The implementation principle of the forklift steering wheel provided by the embodiment of the application is as follows: the steering wheel skeleton 2 of the forklift steering wheel comprises an outer layer 201 and a reinforced inner layer 202, and the reinforced inner layer 202 made of metal increases the structural strength; better compression resistance and anti-collision protection are formed by reinforcing the electrical components in the inner layer 202, so that the electrical components in the installation position are not easy to damage, and the safety is higher.

The elastic piece 8 and the damper 9 are arranged at the position of the central shaft 3 of the steering wheel, and after the elastic piece 8 rotates, the steering wheel can automatically rotate in time under the tensile force of the elastic piece 8; the damper 9 is provided to reduce the speed of steering wheel rotation and further prevent the steering wheel from instantaneous rotation.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The utility model provides a fork truck steering wheel, including installing steering wheel main part (1) on fork truck, steering wheel main part (1) are including steering wheel skeleton (2) and center pin (3) that are used for holding, its characterized in that: the steering wheel framework (2) comprises an outer layer (201) and a reinforced inner layer (202), and a mounting position (4) for mounting an electric element is arranged in the reinforced inner layer (202); the wheel seat of the steering wheel framework (2) is provided with a sensor (5) and gears meshed with each other, the gears are provided with rotating magnets (6), and the sensor (5) is used for sensing the magnets (6).

2. The forklift steering wheel according to claim 1, wherein: the reinforced inner layer (202) is built into the outer layer (201).

3. The forklift steering wheel according to claim 1, wherein: a plurality of mounting grooves are formed in the outer layer (201), the mounting grooves are correspondingly arranged with the mounting positions (4), and the knob (12) is mounted in each mounting groove.

4. The forklift steering wheel according to claim 1, wherein: the automatic rotary mechanism is arranged at the central shaft (3) of the steering wheel main body (1) and comprises an elastic piece (8) and a damper (9), the elastic piece (8) is sleeved on the outer side of the central shaft (3), and the damper (9) is sleeved and fixed on the central shaft (3).

5. The forklift steering wheel according to claim 4, wherein: the elastic piece (8) is a torsion spring, the steering wheel main body (1) is provided with a mounting groove (101), the central shaft (3) and the elastic piece (8) are positioned in the mounting groove (101), and two ends of the elastic piece (8) are abutted with the groove wall of the mounting groove (101).

6. The forklift steering wheel according to claim 1, wherein: the sensor (5) is a Hall sensor (5).

7. The forklift steering wheel according to claim 1, wherein: the steering wheel is characterized in that a control board (7) is arranged at the wheel seat position of the steering wheel framework (2), and the sensor (5) is arranged on the control board (7).

8. The forklift steering wheel according to claim 1, wherein: the gear comprises a fixed gear (11) and a movable gear (10), wherein a magnet (6) is arranged in the fixed gear (11), the movable gear (10) is sleeved and fixed on the central shaft (3), and when the steering wheel main body (1) rotates, the movable gear (10) arranged on the central shaft (3) rotates and drives the fixed gear (11) and the magnet (6) in the fixed gear (11) to rotate.