Protective structure for electric control assembly of electric forklift

Abstract

The utility model relates to the technical field of electric forklifts, in particular to an electric control assembly protection structure of an electric forklift, which comprises a forklift frame and gutters, a plurality of gutters are arranged on the surface of the forklift frame, a mounting groove is arranged on the inner side of the forklift frame, a sealing strip is arranged on the inner side of the mounting groove, and a protection mechanism is mounted on the inner side of the mounting groove. The protection mechanism comprises a protection box, the inner side of the protection box is connected with a sealing assembly in a sliding mode, the upper end of the protection box is provided with a protection cover assembly, the inner side of the protection box is fixedly connected with a forklift assembly through bolts, the inner side of the protection box is connected with a heat dissipation mechanism in a sliding mode, and the protection box comprises a box shell. According to the electric control assembly, the mounting and dismounting modes of components are optimized, the electric control assembly is more convenient and rapid to mount, overhaul and replace, dust attached to the heat dissipation mechanism can be cleaned through vibration, and the problem of poor heat dissipation caused by dust accumulation is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric fork truck technical field, concretely is a kind of electric fork truck electric control assembly protection structure. BACKGROUND

[0002] Electric fork truck electric control assembly is the core component of electric fork truck, mainly responsible for controlling the power output and each operation of fork truck, it includes electric control module, traction drive module, oil pump drive module and other key components.Electric control assembly receives the operating instructions of driver, controls the start, acceleration and deceleration of electric motor and the lifting action of hydraulic system;

[0003] The design of modern electric control assembly considers the working requirements of fork truck in various environments, so sealing technology is used to protect internal circuit and component, prevent dust, moisture and other pollutants from invading, thereby improve the reliability and stability of fork truck in humid, dusty and other harsh environments;

[0004] Although the sealing design of electric fork truck electric control assembly improves the service life of fork truck in harsh environment, but too complex sealing design is difficult to disassemble, so that the dust accumulated on the surface of heat dissipation device is difficult to clean, which not only affects the heat dissipation efficiency, but also causes damage to the performance and life of electric control assembly, therefore, aiming at the above problems, a kind of electric fork truck electric control assembly protection structure is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of electric fork truck electric control assembly protection structure to solve the sealing design of electric fork truck electric control assembly although improve the service life of fork truck in harsh environment, but too complex sealing design is difficult to disassemble, so that the dust accumulated on the surface of heat dissipation device is difficult to clean, which not only affects the heat dissipation efficiency, but also causes damage to the performance and life of electric control assembly.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A protective structure for an electric forklift electronic control assembly, comprising a forklift frame and a water diversion trough, a plurality of water diversion troughs are provided on the surface of the forklift frame, a mounting groove is provided on the inner side of the forklift frame, a sealing strip is provided on the inner side of the mounting groove, a protective mechanism is installed on the inner side of the mounting groove, the protective mechanism comprises a protective box, a sealing component is slidably connected to the inner side of the protective box, a protective cover component is installed on the upper end of the protective box, the inner side of the protective box is fixedly connected to the forklift assembly by bolts, the inner side of the protective box is slidably connected to the heat dissipation mechanism, the protective box comprises a box shell, a telescopic rod is provided on the inner side of the box shell, a placement plate is slidably connected to the outer side of the telescopic rod, a blind hole is provided on the upper end of the box shell, and a sliding card is provided on the inner side of the box shell The groove is provided, and the sealing assembly includes a sealing frame, a supporting groove is provided on the inner side of the sealing frame, a limiting column is fixedly connected to the outer side of the sealing frame, one end of the limiting column is fixedly connected to a supporting spring, the protective cover assembly includes a top cover, the lower end of the top cover is fixedly connected to the heat dissipation fin, a handle is installed on the inner side of the upper end of the top cover, a sealing ring is installed on the inner side of the top cover, an inter-cover groove is provided on the inner side of the inter-cover groove, an air nozzle is installed on the inner side of the inter-cover groove, the heat dissipation mechanism includes a vertical plate, a cooling fan is installed on the inner side of the vertical plate, one side of the vertical plate is fixedly connected to a limiting short shaft, the outer side of the limiting short shaft is rotatably connected to a rotating rod, the side of the rotating rod close to the vertical plate is fixedly connected to bristles, and one side of the vertical plate is fixedly connected to a reset spring.

[0008] As a further optimization of the present invention, there are four telescopic rods, which are distributed in the four corner areas inside the telescopic rod. The placement plate is in an "I" shape, and the angle between the telescopic rod and the placement plate is 90°.

[0009] As a further optimization of the present invention, there are four blind holes, which are distributed in a rectangular array, the inner side of the blind hole is in contact with the outer side of the limiting column, the inner side of the sliding slot is in contact with the outer side of the heat dissipation mechanism, and there are two heat dissipation mechanisms, which are symmetrically distributed.

[0010] As a further optimization of the present invention, one side of the support groove is arc-shaped, the limiting column and the support spring have the same axis, and the angle between the limiting column and the sealing frame is 90°.

[0011] As a further optimization of this utility model, the upper end of the top cover is arc-shaped, a part of the upper end of the top cover is exposed outside the mounting groove, the outer side of the sealing ring fits into the groove opened at the upper end of the sealing strip, and the upper end surface of the heat dissipating fin and the upper end surface of the sealing assembly are located on the same horizontal plane.

[0012] As the further optimization of the utility model, wherein: the included angle between the limiting short shaft and the vertical plate is 90°, the included angle between the limiting short shaft and the rotating rod is 90°, one end of the reset spring is fixedly connected with the rotating rod, and the center shaft of the reset spring and the center shaft of the limiting short shaft are on the same straight line.

[0013] As the further optimization of the utility model, wherein: the rotating rod is provided in an "L" shape, the two ends of the rotating rod are provided in an arc shape, the bristles are provided in a plurality of, and the bristles are evenly and equidistantly distributed on one side of the rotating rod in a rectangular array.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the utility model, the installation and dismounting mode of the components are optimized while ensuring the sealing property of the device, so that the installation, maintenance and replacement of the electric control assembly become more convenient and fast, the dust attached to the heat dissipation mechanism can be cleaned through vibration, the poor heat dissipation problem caused by dust accumulation is avoided, and the sealing property between the sealing ring and the sealing strip can be ensured through inflation of the air nozzle, so that the sealing property of the device is not reduced due to abrasion during dismounting. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a sealing strip installation position structure schematic view of the utility model;

[0018] Figure 3 It is a protection mechanism structure schematic view of the utility model;

[0019] Figure 4 It is an explosion structure schematic view of the protection mechanism of the utility model;

[0020] Figure 5 It is an explosion structure schematic view of the protection box of the utility model;

[0021] Figure 6 It is a sealing assembly structure schematic view of the utility model;

[0022] Figure 7 It is a protection cover assembly sectional view of the utility model;

[0023] Figure 8 It is a protection cover assembly sectional view of the utility model; Figure 7 It is an enlarged structure schematic view of A in the utility model;

[0024] Figure 9 It is a heat dissipation mechanism structure schematic view of the utility model.

[0025] In the figure: 1, forklift frame; 2, water guide groove; 3, protection mechanism;

[0026] 31, protection box; 311, box shell; 312, telescopic rod; 313, placing plate; 314, blind hole; 315, sliding clamping groove;

[0027] 32, sealing assembly; 321, sealing frame; 322, support groove; 323, limiting column; 324, support spring;

[0028] 33, protection cover assembly; 331, top cover; 332, heat dissipation fin; 333, handle; 334, sealing ring; 335, cover slot; 336, air nozzle;

[0029] 34, forklift assembly;

[0030] 35, heat dissipation mechanism; 351, vertical plate; 352, heat dissipation fan; 353, limiting short shaft; 354, rotating rod; 355, brush; 356, reset spring;

[0031] 4, sealing strip; 5, mounting groove. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0034] Please refer to Figures 1-9 The present application provides a technical solution:

[0035] A protective structure for an electric forklift electronic control assembly includes a forklift frame 1 and a water diversion trough 2. The forklift frame 1 is provided with a plurality of water diversion troughs 2 on its surface. An installation groove 5 is provided on the inner side of the forklift frame 1. A sealing strip 4 is provided on the inner side of the installation groove 5. A protective mechanism 3 is installed on the inner side of the installation groove 5. The protective mechanism 3 includes a protective box 31. A sealing component 32 is slidably connected to the inner side of the protective box 31. A protective cover component 33 is installed on the upper end of the protective box 31. The inner side of the protective box 31 is fixedly connected to a forklift assembly 34 by bolts. A heat dissipation mechanism 35 is slidably connected to the inner side of the protective box 31. The protective box 31 includes a box shell 311. A telescopic rod 312 is provided on the inner side of the box shell 311. A placement plate 313 is slidably connected to the outer side of the telescopic rod 312. A blind hole 314 is provided on the upper end of the box shell 311. A sliding slot 315 is provided on the inner side of the box shell 311. The sealing component 32 includes a sealing frame 321. A support groove 322 is provided on the inner side of the sealing frame 321, and a limiting column 323 is fixedly connected to the outer side of the sealing frame 321. One end of the limiting column 323 is fixedly connected to a support spring 324. The protective cover assembly 33 includes a top cover 331, and the lower end of the top cover 331 is fixedly connected to the heat dissipation fin 332. A handle 333 is installed on the inner side of the upper end of the top cover 331, and a sealing ring 334 is installed on the inner side of the top cover 331. A cover groove 335 is provided on the inner side of the top cover 331, and an air nozzle 336 is installed on the inner side of the cover groove 335. The heat dissipation mechanism 35 includes a vertical plate 351, and a cooling fan 352 is installed on the inner side of the vertical plate 351. One side of the vertical plate 351 is fixedly connected to the limiting short shaft 353, and the outer side of the limiting short shaft 353 is rotatably connected to a rotating rod 354. The side of the rotating rod 354 close to the vertical plate 351 is fixedly connected to bristles 355, and one side of the vertical plate 351 is fixedly connected to a reset spring 356.

[0036] As a further implementation of this solution, one side of the support groove 322 is arc-shaped, the limiting post 323 and the support spring 324 are coaxial, and the angle between the limiting post 323 and the sealing frame 321 is 90°. This design can improve the fit between the components and facilitate the precise operation of the device.

[0037] As a further implementation of this solution, four telescopic rods 312 are provided, and the four telescopic rods 312 are distributed in the four corner areas inside the telescopic rod 312. The placement plate 313 is in the shape of an "I" and the angle formed between the telescopic rod 312 and the placement plate 313 is 90 degrees. Four blind holes 314 are provided, and the four blind holes 314 are distributed in a rectangular array. The inner side of the blind hole 314 is in contact with the outer side of the limiting column 323, and the inner side of the sliding slot 315 is in contact with the outer side of the heat dissipation mechanism 35. Two heat dissipation mechanisms 35 are provided, and the two heat dissipation mechanisms 35 are symmetrically distributed. Such a design can make the installation of components easier and faster, and reduce the time spent on installation and maintenance.

[0038] As a further implementation of the present scheme, the angle between the limiting short shaft 353 and the vertical plate 351 is 90°, the angle between the limiting short shaft 353 and the rotating rod 354 is 90°, one end of the reset spring 356 is fixedly connected with the rotating rod 354, and the center axis of the reset spring 356 and the center axis of the limiting short shaft 353 are on the same straight line. Such a design can strengthen the transmission of force in the component and better realize the operation effect of the device.

[0039] As a further implementation of the present scheme, the rotating rod 354 is provided in an "L" shape, the two ends of the rotating rod 354 are provided in an arc shape, the brush 355 is provided with a plurality of brush hairs, and the brush hairs 355 are uniformly and equidistantly distributed on one side of the rotating rod 354 in a rectangular array. Such a design can improve the cleaning efficiency of the brush hairs 355 on the cooling fan 352 and ensure the heat dissipation efficiency of the cooling fan 352.

[0040] As a further implementation of the present scheme, the upper end of the top cover 331 is provided in an arc shape, a part of the upper end of the top cover 331 is exposed outside the mounting groove 5, the outer side of the sealing ring 334 is fitted with the groove on the upper end of the sealing strip 4, and the upper end surface of the heat dissipation fin 332 and the upper end surface of the sealing assembly 32 are located on the same horizontal plane. Such a design can make the accumulated water quickly flow into the water guide groove 2 and be discharged through the water guide groove 2.

[0041] Workflow: when the device is in use, first assemble the protection mechanism 3, the heat dissipation mechanism 35 is clamped into the box shell 311 through the sliding slot 315, the forklift assembly 34 is fixed on the placement plate 313 through bolts, then the placement plate 313 is placed in the box shell 311, the telescopic rod 312 passes through the placement plate 313, at this time the placement plate 313 will extrude the telescopic rod 312, the telescopic rod 312 is deformed, at the same time the telescopic rod 312 is deformed, plays a role in shock absorption, when the placement plate 313 moves downward, the rotating rod 354 is extruded, the rotating rod 354 rotates outside the limiting short shaft 353, then the limiting column 323 is inserted into the blind hole 314, one end of the supporting spring 324 contacts the bottom end of the blind hole 314, the top cover 331 is placed at the upper end of the sealing frame 321, the top cover 331 extrudes the sealing frame 321 downward, the sealing frame 321 moves downward to drive the limiting column 323 to move downward, the limiting column 323 moves downward to deform the supporting spring 324, at this time the upper end of the rotating rotating rod 354 is clamped into the supporting groove 322, the assembled protection mechanism 3 is placed in the installation slot 5, the sealing ring 334 is clamped between the sealing strip 4, when the forklift frame 1 is working, the upper end of the top cover 331 is arc-shaped, which can make the water flow quickly into the water inlet groove 2 and be discharged through the water inlet groove 2, the vibration of the forklift frame 1 is transmitted to the protection mechanism 3, and the buffer of the telescopic rod 312 can effectively protect the forklift assembly 34 from being damaged, at the same time, when the placement plate 313 vibrates up and down, the rotating rod 354 will reciprocate due to the arrangement of the reset spring 356, the brush 355 on one side of the rotating rod 354 will clean the heat dissipation fan 352 installed in the opposite plate 351, and the heat dissipation efficiency of the heat dissipation fan 352 is guaranteed, when the forklift assembly 34 needs to be repaired, the handle 333 installed on the upper end of the top cover 331 can easily remove the top cover 331, and the heat dissipation fin 332 can be cleaned to ensure the cleanliness and heat dissipation efficiency of the heat dissipation fin 332, when the top cover 331 is replaced, the air nozzle 336 installed in the cover gap 335 is inflated to ensure the sealing property between the sealing ring 334 and the sealing strip 4, and the extrusion of the top cover 331 on the sealing frame 321 also makes the sealing frame 321 and the top cover 331 fit closely, avoiding the entry of dust.

[0042] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electrically controlled assembly protection structure for a forklift truck, comprising a truck frame (1) and a water channel (2), characterized in that: The forklift frame (1) is provided with a plurality of water diversion grooves (2) on its surface, the forklift frame (1) is provided with a mounting groove (5) on its inner side, a sealing strip (4) is provided on its inner side, a protective mechanism (3) is installed on its inner side, the protective mechanism (3) comprises a protective box (31), a sealing assembly (32) is slidably connected to its inner side, a protective cover assembly (33) is installed on its upper end, and a forklift assembly ( 34), the inner side of the protective box (31) is slidably connected to a heat dissipation mechanism (35), the protective box (31) comprises a box shell (311), the inner side of the box shell (311) is provided with a telescopic rod (312), the outer side of the telescopic rod (312) is slidably connected to a placement plate (313), the upper end of the box shell (311) is provided with a blind hole (314), the inner side of the box shell (311) is provided with a sliding slot (315), the sealing assembly (32) comprises a sealing frame (321), the inner side of the sealing frame (321) is provided with a The sealing frame (321) is fixedly connected to a limiting column (323) on the outside, and one end of the limiting column (323) is fixedly connected to a supporting spring (324). The protective cover assembly (33) includes a top cover (331), a heat dissipation fin (332) is fixedly connected to the lower end of the top cover (331), a handle (333) is installed on the inner side of the upper end of the top cover (331), a sealing ring (334) is installed on the inner side of the top cover (331), and a cover groove (335) is opened on the inner side of the top cover (331). An air nozzle (336) is installed on the inner side of the inter-cover groove (335), and the heat dissipation mechanism (35) includes a vertical plate (351). A heat dissipation fan (352) is installed on the inner side of the vertical plate (351). One side of the vertical plate (351) is fixedly connected to a limited short shaft (353), and the outer side of the limited short shaft (353) is rotatably connected to a rotating rod (354). The side of the rotating rod (354) close to the vertical plate (351) is fixedly connected to a brush (355), and one side of the vertical plate (351) is fixedly connected to a return spring (356).

2. The electrically controlled assembly protection structure of the electric fork truck according to claim 1, characterized in that: Four telescopic rods (312) are provided, and the four telescopic rods (312) are distributed at four corner areas inside the telescopic rod (312). The placement plate (313) is arranged in an "I" shape, and the angle formed between the telescopic rod (312) and the placement plate (313) is 90°.

3. The electrically controlled assembly protection structure of a fork truck according to claim 1, characterized in that: Four blind holes (314) are provided, and the four blind holes (314) are distributed in a rectangular array. The inner side of the blind hole (314) is fitted with the outer side of the limiting column (323), and the inner side of the sliding slot (315) is fitted with the outer side of the heat dissipation mechanism (35). Two heat dissipation mechanisms (35) are provided, and the two heat dissipation mechanisms (35) are symmetrically distributed.

4. The electrically controlled assembly protection structure of a fork truck according to claim 1, characterized in that: The support groove (322) is arc-shaped on one side, the limiting column (323) and the support spring (324) are coaxial, and the included angle between the limiting column (323) and the sealing frame (321) is 90°.

5. The electrically controlled assembly protection structure for a fork truck as set forth to Claim 1, wherein: The top cover (331) is arc-shaped at the upper end, a part of the upper end of the top cover (331) is exposed outside the mounting groove (5), the outer side of the sealing ring (334) is attached to the groove on the upper end of the sealing strip (4), and the upper end surface of the heat dissipation fin (332) is located on the same horizontal plane as the upper end surface of the sealing assembly (32).

6. The electrically controlled assembly protection structure for a fork truck according to claim 1, wherein: The included angle between the limiting short shaft (353) and the vertical plate (351) is 90°, the included angle between the limiting short shaft (353) and the rotating rod (354) is 90°, one end of the reset spring (356) is fixedly connected with the rotating rod (354), and the central axis of the reset spring (356) and the central axis of the limiting short shaft (353) are on the same straight line.

7. The electrically controlled assembly protection structure for a fork truck according to claim 1, wherein: The rotating rod (354) is "L"-shaped, the two ends of the rotating rod (354) are arc-shaped, a plurality of brush hairs (355) are arranged, and the brush hairs (355) are evenly and equidistantly distributed on one side of the rotating rod (354) in a rectangular array.

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