Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a lifting device for a brush disc of a floor washing machine, which is used for prolonging the service life of an electric push rod.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a floor cleaning machine brush dish elevating gear, includes mount and electric putter, electric putter fixed connection be in the mount, be provided with slide mechanism in the mount, slide mechanism includes slide bar and two fixed parts, the slide bar is fixed in two between the fixed part, the slide bar with mount sliding connection, electric putter is used for driving the slide bar moves on the horizontal direction, the fixed part with fixedly connected with extension spring, two between the mount fixedly connected with wire rope between the fixed part, fixedly connected with fixed block on the wire rope, the relative both sides face of mount is provided with guiding mechanism respectively, wire rope passes through guiding mechanism is so that the fixed block moves in vertical direction.
In the invention, preferably, the fixing part comprises two fixing plates, waist-shaped holes are formed in the fixing plates, one end of the extension spring on the same side is fixedly connected between the two fixing plates, and two ends of the sliding rod respectively penetrate through the corresponding waist-shaped holes.
In the invention, preferably, sliding grooves are respectively formed in two opposite side surfaces of the fixed frame, and the sliding rod is connected with the sliding grooves in a sliding manner.
In the invention, preferably, the guide mechanism comprises a pressing plate, and a pulley is rotatably connected between the pressing plate and the fixing frame.
In the present invention, preferably, a positioning block is disposed between the fixing plate adjacent to the fixing frame and the fixing frame, the positioning block is fixedly connected to the sliding rod, the steel wire rope includes a first stretching section and a second stretching section, and the positioning block makes the first stretching section and the second stretching section parallel to each other.
In the present invention, it is preferable that a central axis of the pulley is located lower than a position of the slide bar so that the first stretching section is parallel to a horizontal plane.
In the present invention, preferably, a weight block is disposed on the fixing block.
In the present invention, preferably, a distance between a center of the first stretching section and a center of the second stretching section is equal to a length of the weight block.
In the invention, preferably, the counterweight block is divided into a first fitting block and a second fitting block, a groove is respectively formed in one side surface of the first fitting block opposite to one side surface of the second fitting block, and the two grooves form a space for the steel wire rope to pass through.
The invention has the beneficial effects that: according to the electric push rod fixing device, the extension spring is arranged, so that when the electric push rod drives the slide rod to move towards one end close to the electric push rod, the fixing block vertically moves downwards by means of gravity, the extension spring is stretched to reduce the force of the slide rod against the output end of the electric push rod and towards the electric push rod, the service life of the electric push rod can be prolonged, the position of the slide rod can be adjusted between the two fixing parts by arranging the two fixing parts, the slide rod and the electric push rod can be conveniently fixed, the position of the slide rod is changed by means of the electric push rod, and the height position of the fixing block can.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, the floor cleaning machine brush tray lifting device of the present embodiment includes a fixing frame 1 and an electric push rod 2, the electric push rod 2 is fixedly connected in the fixing frame 1, a sliding mechanism 3 is disposed in the fixing frame 1, the sliding mechanism 3 includes a sliding rod 31 and two fixing portions 32, the sliding rod 31 is fixed between the two fixing portions 32, so as to fix the sliding rod 31, the position of the sliding rod 31 can be adjusted between the two fixing portions 32, so as to fix the sliding rod 31 and the electric push rod 2, the sliding rod 31 is slidably connected with the fixing frame 1, the electric push rod 2 is used to drive the sliding rod 31 to move in a horizontal direction, an extension spring 4 is fixedly connected between the fixing portions 32 and the fixing frame 1, and the extension spring 4 is disposed, so that when the electric push rod 2 retracts, the fixing portion 6 vertically moves downward depending on gravity, so that the sliding rod, extension spring 4 provides a power that deviates from electric putter 2, a time for reducing because of fixed block 6 is vertical downwards, slide bar 31 is to electric putter 2's influence, increase electric putter 2's life, fixedly connected with wire rope 5 between two fixed parts 32, fixedly connected with fixed block 6 on wire rope 5, the relative both sides face of mount 1 is provided with guiding mechanism 7 respectively, wire rope 5 passes through guiding mechanism 7 so that fixed block 6 moves in vertical direction, can change slide bar 31's position through electric putter 2, from the high position for changing fixed block 6.
Referring to fig. 1, 2 and 3, the fixing portion 32 includes two fixing plates 33, each fixing portion 32 is provided with two fixing plates 33, so that the fixing plates 33 are more convenient and stable for fixing the steel wire rope 5 and the extension spring 4, waist-shaped holes 34 are formed in the fixing plates 33, one end of the extension spring 4 on the same side is fixedly connected between the two fixing plates 33, two ends of the sliding rod 31 respectively penetrate through the corresponding waist-shaped holes 34, and two ends of the sliding rod 31 are provided with threads and fixed on the fixing plates 33 through nuts.
Referring to fig. 1 and 2, sliding grooves 35 are respectively formed on two opposite side surfaces of the fixed frame 1, the sliding grooves 35 are arranged to provide a sliding direction and a supporting force for the sliding rod 31, and the sliding rod 31 is slidably connected with the sliding grooves 35.
Referring to fig. 1, 2 and 3, the guide mechanism 7 includes a pressing plate 71, a pulley 72 is rotatably connected between the pressing plate 71 and the fixing frame 1, and the steel wire 5 is wound on the pulley 72, so that transmission can be realized more conveniently through the pulley 72.
Referring to fig. 1, 2 and 4, a positioning block 8 is disposed between the fixing plate 33 adjacent to the fixing frame 1 and the fixing frame 1, the positioning block 8 is fixedly connected to the sliding rod 31, the wire rope 5 includes a first stretching section 51 and a second stretching section 52, the first stretching section 51 and the second stretching section 52 are portions of the wire rope 5 between the pulley 72 and the fixing portion 32, and the positioning block 8 is configured to enable the first stretching section 51 and the second stretching section 52 to be parallel to each other, so that the first stretching section 51 and the second stretching section 52 stably slide on the pulley 72, and the first stretching section 51 and the second stretching section 52 are prevented from sliding off the pulley 72. The central axis of the pulley 72 is lower than the position of the sliding rod 31, so that the first stretching section 51 is parallel to the horizontal plane, the pulling force of the sliding rod 31 on the first stretching section 51 and the second stretching section 52 is parallel to the horizontal plane, the application of the force is more complete, and the decomposition of the force is prevented.
Referring to fig. 1, 2 and 4, a weight 9 is provided on the fixing block 6, and the weight 9 increases the weight of the fixing block 6, so that the fixing block 6 can stably move downward in the vertical direction by gravity.
Referring to fig. 1 and 2, the distance between the circle center of the first stretching section 51 and the circle center of the second stretching section 52 is equal to the length of the counterweight 9, so that two sections of the steel wire rope 5 between the pulley 72 and the fixed block 6 are parallel to each other, and the fixed block 6 moves more stably in the vertical direction.
Referring to fig. 1, 2 and 3, the counterweight 9 is divided into a first fitting block 91 and a second fitting block 92, a groove 93 is respectively formed in one side surface of the first fitting block 91 opposite to the side surface of the second fitting block 92, and the two grooves 93 form a space for the steel wire rope 5 to pass through, so that the problem that the steel wire rope 5 is difficult to be fixedly connected with the fixed block 6 or the counterweight 9 is solved.
The working principle is as follows: when electric putter 2 drives slide bar 31 and moves towards the one end of keeping away from electric putter 2, slide bar 31 stimulates wire rope 5, and wire rope 5 makes fixed block 6 rebound through pulley 72, and when electric putter 2 drove slide bar 31 and moves towards the one end that is close to electric putter 2, fixed block 6 relied on the vertical downstream of gravity, and extension spring 4 was stretched this moment for reduce slide bar 31 and electric putter 2 output and offset, towards electric putter 2's power.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.