CN217616410U

CN217616410U - Driving device for high-pressure cleaning machine

Info

Publication number: CN217616410U
Application number: CN202221937476.4U
Authority: CN
Inventors: 郭建刚
Original assignee: Tianjin Huajie Industrial Pump Co ltd
Current assignee: Tianjin Huajie Industrial Pump Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-10-21
Anticipated expiration: 2032-07-25

Abstract

The utility model provides a drive arrangement for high pressure cleaner belongs to the high pressure cleaner field. The driving device for the high-pressure cleaning machine comprises a driving motor, a gear box, a transmission gear set and a detection mechanism; the driving wheel is meshed with the driving wheel and the driven wheel simultaneously; the gear rack is slidably mounted in the gear box, the fluted disc is meshed with the gear rack, the elastic piece is arranged between the gear box and the gear rack, and one end of the gear rack is fixedly provided with a travel switch; when the driving motor drives the driving wheel to rotate through the driving wheel, the driven shaft stops rotating, the fluted disc is stressed to rotate at the moment, the fluted disc is meshed with the rack due to the fact that the rack is slidably mounted in the gear box, the fluted disc pushes the rack to slide, meanwhile, the travel switch fixedly mounted at one end of the rack acts to cut off the power supply of the driving motor, when the load of the driven shaft exceeds a preset value, the driving motor is protected, and the mechanical structure has an overload protection effect.

Description

Driving device for high-pressure cleaning machine

Technical Field

The utility model relates to a high pressure cleaner field particularly, relates to a drive arrangement for high pressure cleaner.

Background

At present, a high-pressure cleaning machine is a machine which uses a power device to enable a high-pressure plunger pump to generate high-pressure water to wash the surface of an object. It can peel off and wash away dirt to clean the surface of an object. According to the driving engine, a motor drives a high-pressure cleaning machine, a gasoline engine drives the high-pressure cleaning machine and a diesel oil drives the cleaning machine; the motor-driven high-pressure cleaning machine is low in noise, small in size, convenient to carry and widely used. The motor-driven high-pressure cleaning machine is realized by taking a motor as a driving device and bears the power source of the whole device;

because the existing driving device of the motor-driven high-pressure cleaning machine does not have a mechanical overload protection device, the motor cannot rotate after the driving output end is overloaded, and the possibility of motor burnout is caused.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the utility model provides a drive arrangement for high pressure cleaner aims at improving the problem that drive arrangement does not have the overload protection effect.

The utility model discloses a realize like this:

the utility model provides a driving device for a high-pressure cleaning machine, which comprises a driving motor, a gear box, a transmission gear set and a detection mechanism;

a driving shaft is rotatably arranged at one end of the gear box, a driven shaft is rotatably arranged at the other end of the gear box, and a driving shaft of the driving motor is connected with the driving shaft through a coupling;

the transmission gear set comprises a driving wheel, a driven wheel and a transmission wheel, the driving wheel is coaxially and fixedly connected with the driving shaft, the driven wheel is coaxially and fixedly connected with the driven shaft, and the transmission wheel is meshed with the driving wheel and the driven wheel simultaneously;

the detection mechanism comprises a fluted disc, a rack and an elastic piece, the fluted disc is rotatably installed in the gear box, the driving wheel is rotatably connected with the fluted disc, the rack is slidably installed in the gear box, the fluted disc is meshed with the rack, the elastic piece is arranged between the gear box and the rack, and one end of the rack is fixedly provided with a travel switch.

The utility model discloses an in one embodiment, still including the base, driving motor fixed mounting be in the base upper surface, surface mounting has the pumping unit on the base, this pumping unit's power input shaft with the driven shaft passes through the coaxial fixed connection of shaft coupling.

The utility model discloses an in one embodiment, gear box fixed mounting be in the base upper surface, the gear box lower extreme with the shock pad is installed to the base junction, the driving shaft and driven shaft surface all overlaps and is equipped with the bearing, this bearing inner race detachable with gear box fixed connection.

In an embodiment of the present invention, the driving wheel, the driven wheel and the transmission wheel are all bevel gears, and the driving shaft is coaxial with the driven shaft;

the driving wheel, the driven wheel and the driving wheel are all installed in the gear box, the driving wheel is sleeved on the surface of the driving shaft and fixed through a key connection, and the driven wheel is sleeved on the surface of the driven shaft and fixed through a key connection.

The utility model discloses an in an embodiment, the fluted disc with the coaxial setting of driving shaft, the fluted disc inner wall is fixed with to the mandrel, the drive wheel rotates and cup joints to the mandrel surface, the stopper is installed to the gear box inner wall, the stopper with travel switch sets up relatively.

In an embodiment of the present invention, the elastic member is a return spring, one end of the rack is fixedly connected to one end of the return spring, and the other end of the return spring is connected to the inside of the gear box.

The utility model discloses an in one embodiment, the slide opening has been seted up on the rack surface, the slide opening is followed rack length direction sets up, it has the slide bar to slide to peg graft in the slide opening, the tip of slide bar with gear box inner wall fixed connection, the reset spring cover is established the slide bar surface, two have been seted up to the slide opening parallel.

In an embodiment of the present invention, a telescopic structure is connected between the limiting block and the inner wall of the gear box, and the telescopic structure includes an electric push rod or a manual adjusting telescopic rod;

a limiting ring is fixed on the inner wall of the gear box, the fluted disc is rotationally clamped at the end part of the limiting ring, and the limiting ring is a limiting bearing.

The utility model discloses an in an embodiment, the push pedal has been cup jointed in the one end slip of slide bar, this reset spring's one end with rack fixed connection, this reset spring's the other end with push pedal fixed connection, the gear box lateral wall rotates installs the screw rod, the one end of screw rod with push pedal threaded connection.

The utility model discloses an in one embodiment, threaded through hole has been seted up on the push pedal surface, the one end of screw rod with threaded through hole spiro union, the coaxial fixedly connected with knob of the other end of screw rod, the knob sets up the gear box surface.

The utility model has the advantages that: the driving device for the high-pressure cleaning machine is obtained through the design, and when the driving device is used, the driving shaft of the driving motor is connected with the driving shaft through the coupler; the driving wheel is coaxially and fixedly connected with the driving shaft, the driven wheel is coaxially and fixedly connected with the driven shaft, and the driving wheel is simultaneously meshed with the driving wheel and the driven wheel, so that the driven shaft is in transmission connection with the driving wheel, and the driven shaft is driven by the driving wheel to realize driving; because the transmission wheel is rotationally connected with the fluted disc, the elastic part is arranged between the gear box and the rack, the elastic part pushes the rack under the action of elastic thrust, when the load connected with the driven shaft exceeds the elastic thrust of the elastic part, the driving motor drives the transmission wheel to rotate through the driving wheel, the driven shaft stops rotating, the fluted disc is stressed to rotate at the moment, the fluted disc is slidably arranged in the gear box and is meshed with the rack, the fluted disc pushes the rack to slide, the elastic part is compressed in the sliding process of the rack, meanwhile, the travel switch fixedly arranged at one end of the rack acts to cut off the power supply of the driving motor, the protection effect on the driving motor is ensured when the load of the driven shaft exceeds a preset value, the mechanical structure has the overload protection effect, the excessive wear caused by the overload operation of each part of the driving device is reduced, the maintenance period is prolonged, and the service life of the device is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of an assembly structure provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a transmission gear set according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a detection mechanism according to an embodiment of the present invention;

fig. 4 is a schematic view of a meshing structure of the fluted disc and the rack provided by the embodiment of the present invention;

fig. 5 is a schematic view of a rack structure provided in an embodiment of the present invention;

fig. 6 is a schematic view of a slide bar structure according to an embodiment of the present invention.

In the figure: 100. a drive motor; 110. a base; 300. a gear case; 310. a drive shaft; 330. a driven shaft; 350. a screw; 351. a knob; 500. a drive gear set; 510. a driving wheel; 530. a driven wheel; 550. a driving wheel; 700. a detection mechanism; 710. a fluted disc; 730. a rack; 731. a travel switch; 733. a slide bar; 735. pushing the plate; 750. an elastic member.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the utility model provides a. Embodiments, all other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 for simplicity of description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-6, the present invention provides a technical solution: a driving device for a high pressure cleaning machine comprises a driving motor 100, a gear box 300, a transmission gear set 500 and a detection mechanism 700;

one end of the gear box 300 is rotatably provided with a driving shaft 310, the other end of the gear box 300 is rotatably provided with a driven shaft 330, and a driving shaft of the driving motor 100 is connected with the driving shaft 310 through a coupling;

the transmission gear set 500 comprises a driving wheel 510, a driven wheel 530 and a transmission wheel 550, wherein the driving wheel 510 is coaxially and fixedly connected with the driving shaft 310, the driven wheel 530 is coaxially and fixedly connected with the driven shaft 330, and the transmission wheel 550 is simultaneously meshed with the driving wheel 510 and the driven wheel 530;

the detection mechanism 700 comprises a fluted disc 710, a rack 730 and an elastic piece 750, wherein the fluted disc 710 is rotatably installed in the gearbox 300, the transmission wheel 550 is rotatably connected with the fluted disc 710, the rack 730 is slidably installed in the gearbox 300, the fluted disc 710 is meshed with the rack 730, the elastic piece 750 is arranged between the gearbox 300 and the rack 730, one end of the rack 730 is fixedly provided with a travel switch 731, the driving motor 100 is electrically connected with the travel switch 731, and the travel switch 731 controls the on-off of a circuit of the driving motor 100.

The utility model discloses an in the embodiment, still including base 110, driving motor 100 fixed mounting is on base 110 upper surface, and surface mounting has the pumping unit on base 110, and the power input shaft of this pumping unit passes through the coaxial fixed connection of shaft coupling with driven shaft 330.

The utility model discloses an in one embodiment, gear box 300 fixed mounting is on base 110 upper surface, and the shock pad is installed to gear box 300 lower extreme and base 110 junction, and driving shaft 310 and driven shaft 330 surface all overlap and are equipped with the bearing, this bearing inner race detachable and gear box 300 fixed connection.

In one embodiment of the present invention, the driving wheel 510, the driven wheel 530 and the driving wheel 550 are all bevel gears, and the driving shaft 310 and the driven shaft 330 are coaxially disposed;

the driving wheel 510, the driven wheel 530 and the driving wheel 550 are all installed in the gear box 300, the driving wheel 510 is sleeved on the surface of the driving shaft 310 and fixed through key connection, and the driven wheel 530 is sleeved on the surface of the driven shaft 330 and fixed through key connection.

The utility model discloses an in an embodiment, fluted disc 710 and the coaxial setting of driving shaft 310, fluted disc 710 inner wall are fixed with to the mandrel, and drive wheel 550 rotates to cup joint on the mandrel surface, and the stopper is installed to gear box 300 inner wall, and the stopper sets up with travel switch 731 relatively.

In an embodiment of the present invention, the elastic member 750 is a return spring, one end of the rack 730 is fixedly connected to one end of the return spring, and the other end of the return spring is connected to the gear box 300.

In an embodiment of the present invention, a sliding hole is formed on the surface of the rack 730, the sliding hole is formed along the length direction of the rack 730, a sliding rod 733 is inserted in the sliding hole, the end of the sliding rod 733 is fixedly connected with the inner wall of the gear box 300, the reset spring is sleeved on the surface of the sliding rod 733, and two sliding holes are formed in parallel.

In an embodiment of the present invention, a telescopic structure is connected between the limiting block and the inner wall of the gear box 300, and the telescopic structure includes an electric push rod or a manual adjusting telescopic rod;

a limit ring is fixed on the inner wall of the gear case 300, the fluted disc 710 is rotationally clamped at the end part of the limit ring, and the limit ring is a limit bearing.

In an embodiment of the utility model, the push pedal 735 has been cup jointed in the one end slip of slide bar 733, this reset spring's one end and rack 730 fixed connection, this reset spring's the other end and push pedal 735 fixed connection, and gear box 300 lateral wall is rotated and is installed screw rod 350, screw rod 350's one end and push pedal 735 threaded connection.

The utility model discloses an in the embodiment, threaded through hole has been seted up on push pedal 735 surface, and the one end and the threaded through hole spiro union of screw rod 350, the coaxial fixedly connected with knob 351 of the other end of screw rod 350, knob 351 set up at gear box 300 surface.

The working principle of the driving device for the high-pressure cleaning machine is as follows: when in use, the driving shaft of the driving motor 100 is connected with the driving shaft 310 through a coupler; the driving wheel 510 is coaxially and fixedly connected with the driving shaft 310, the driven wheel 530 is coaxially and fixedly connected with the driven shaft 330, and the driving wheel 550 is simultaneously meshed with the driving wheel 510 and the driven wheel 530, so that the driven shaft 330 is in transmission connection with the driving wheel 510, and the driven shaft 330 is driven by the driving wheel 510; since the transmission wheel 550 is rotatably connected with the toothed disc 710, the elastic member 750 is disposed between the gear box 300 and the rack 730, the elastic member 750 pushes the rack 730 under the action of elastic thrust, when the load connected with the driven shaft 330 exceeds the elastic thrust of the elastic member 750, the driven shaft 330 stops rotating when the driving motor 100 drives the transmission wheel 550 to rotate through the driving wheel 510, and at this time, the toothed disc 710 is forced to rotate, and since the rack 730 is slidably mounted in the gear box 300, the toothed disc 710 is engaged with the rack 730, the toothed disc 710 pushes the rack 730 to slide, the elastic member 750 is compressed during the sliding process of the rack 730, and simultaneously, the travel switch 731 fixedly mounted at one end of the rack 730 acts to cut off the power supply of the driving motor 100, so as to ensure that the driving motor 100 is protected when the load of the driven shaft 330 exceeds a preset value, thereby achieving the overload protection effect on the mechanical structure, reducing excessive wear caused by overload operation of various components of the driving device, and prolonging the maintenance period and the service life of the device.

It should be noted that the specific model specifications of the driving motor 100 and the travel switch 731 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the driving motor 100 and the stroke switch 731 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A driving device for a high pressure cleaner is characterized by comprising

A drive motor (100);

the gearbox (300), one end of the gearbox (300) is rotatably provided with a driving shaft (310), the other end of the gearbox (300) is rotatably provided with a driven shaft (330), and the driving shaft of the driving motor (100) is connected with the driving shaft (310) through a coupler;

the transmission gear set (500) comprises a driving wheel (510), a driven wheel (530) and a transmission wheel (550), the driving wheel (510) is coaxially and fixedly connected with the driving shaft (310), the driven wheel (530) is coaxially and fixedly connected with the driven shaft (330), and the transmission wheel (550) is meshed with the driving wheel (510) and the driven wheel (530) at the same time;

detection mechanism (700), detection mechanism (700) includes fluted disc (710), rack (730) and elastic component (750), fluted disc (710) rotate to be installed in gear box (300), drive wheel (550) with fluted disc (710) rotate to be connected, rack (730) slidable mounting in gear box (300), fluted disc (710) with rack (730) meshing, elastic component (750) set up gear box (300) with between rack (730), the one end fixed mounting of rack (730) has travel switch (731).

2. The driving device for the high pressure cleaning machine according to claim 1, further comprising a base (110), wherein the driving motor (100) is fixedly installed on the upper surface of the base (110), a water pumping unit is installed on the upper surface of the base (110), and a power input shaft of the water pumping unit is coaxially and fixedly connected with the driven shaft (330) through a coupling.

3. The driving device for the high pressure cleaning machine according to claim 2, wherein the gear box (300) is fixedly installed on the upper surface of the base (110), a shock absorption pad is installed at the joint of the lower end of the gear box (300) and the base (110), bearings are sleeved on the surfaces of the driving shaft (310) and the driven shaft (330), and outer rings of the bearings are detachably and fixedly connected with the gear box (300).

4. The driving device for the high pressure cleaning machine according to claim 1, wherein the driving wheel (510), the driven wheel (530) and the driving wheel (550) are all bevel gears, and the driving shaft (310) and the driven shaft (330) are coaxially arranged;

the driving wheel (510), the driven wheel (530) and the driving wheel (550) are all installed in the gear box (300), the driving wheel (510) is sleeved on the surface of the driving shaft (310) and fixed through key connection, and the driven wheel (530) is sleeved on the surface of the driven shaft (330) and fixed through key connection.

5. The driving device for the high pressure cleaning machine according to claim 4, wherein the fluted disc (710) is coaxially arranged with the driving shaft (310), a directional mandrel is fixed on the inner wall of the fluted disc (710), the driving wheel (550) is rotatably sleeved on the surface of the directional mandrel, and a limit block is installed on the inner wall of the gear box (300) and is arranged opposite to the travel switch (731).

6. The driving apparatus for a high pressure washer according to claim 1, wherein the elastic member (750) is a return spring, one end of the rack (730) is fixedly connected to one end of the return spring, and the other end of the return spring is connected to the inside of the gear housing (300).

7. The driving device for the high pressure cleaning machine according to claim 6, wherein two sliding holes are formed in the surface of the rack (730), the sliding holes are formed along the length direction of the rack (730), a sliding rod (733) is inserted in the sliding holes in a sliding manner, the end portion of the sliding rod (733) is fixedly connected with the inner wall of the gear box (300), the reset spring is sleeved on the surface of the sliding rod (733), and the two sliding holes are formed in parallel.

8. The driving device for the high pressure cleaning machine according to claim 5, characterized in that a telescopic structure is connected between the limiting block and the inner wall of the gear box (300), and the telescopic structure comprises an electric push rod or a manual adjusting telescopic rod;

the inner wall of the gear box (300) is fixed with a limiting ring, the fluted disc (710) rotates and is clamped at the end part of the limiting ring, and the limiting ring is a limiting bearing.