Step structure with height convenient to adjust

Abstract

The utility model discloses a stepping structure with the height convenient to adjust, and belongs to the technical field of stepping structures. The stepping structure with the height convenient to adjust comprises a body, the body comprises a bottom plate, vertical plates are connected to the two sides of the upper end of the bottom plate, a stepping assembly is installed between the pair of vertical plates, the bottom end of the stepping assembly is connected with the top face of the bottom plate, and a height adjusting mechanism is arranged at the bottom end of the bottom plate and comprises a base. The two sides of the upper end face of the base are each provided with a pair of mounting sleeves, the interiors of the pair of mounting sleeves are rotationally connected with lead screws, the exteriors of the pair of lead screws are in threaded connection with sliding bases, moving grooves are formed in the outer side walls of the pair of mounting sleeves, and the ends, away from the interiors of the mounting sleeves, of the sliding bases extend to the exteriors of the moving grooves and are connected with the outer side walls of the vertical plates. According to the stepping structure, the practicability of the stepping structure can be effectively improved, and the stepping structure has high practical value.

Description

TECHNICAL FIELD

[0001] The utility model relates to step structure technical field, concretely is a step structure convenient to adjust height. BACKGROUND

[0002] The step structure for meter reading of electrician is an auxiliary climbing equipment specially designed for electrician, which is used for conveniently reaching the height of electric meter for reading and operation when meter reading.

[0003] Based on the above, the present inventor found that the existing step structure for electric meter reading is mostly of integral structure, and the height thereof cannot be adjusted. Since the heights of different users are inconsistent, the user may not reach the height of the electric meter after standing on the step structure, and thus cannot copy the meter reading of the electric meter.

[0004] Therefore, in view of the above, the existing structure and defects are studied and improved, and a step structure convenient to adjust height is provided, so as to achieve the purpose of having more practical value. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a step structure convenient to adjust height, so as to solve the problems in the above background.

[0006] In view of the above problems, the technical scheme provided by the utility model is:

[0007] A step structure convenient to adjust height, comprising a main body, the main body comprises a bottom plate, the upper end of the bottom plate is connected with a vertical plate on both sides, a step assembly is installed between a pair of vertical plates, the bottom end of the step assembly is connected with the top surface of the bottom plate, the bottom end of the bottom plate is provided with a height adjusting mechanism, the height adjusting mechanism comprises a base, a pair of mounting sleeves are installed on the upper end surface of the base on both sides, a pair of lead screws are rotatably connected in the mounting sleeves, a pair of sliding seats are threadedly connected outside the lead screws, a moving groove is formed in the outer side wall of the mounting sleeve, the sliding seat extends to the outside of the moving groove at the end away from the mounting sleeve, and is connected with the outer side wall of the vertical plate, and the outer wall of the sliding seat is gap-fitted with the inner wall of the moving groove. Further, the bottom ends of the two pairs of lead screws extend to the inside of the base and are sleeved with first bevel gears, a pair of transmission rods are rotatably connected in the inside of the base, second bevel gears are sleeved on the outer ends of the transmission rods, and the second bevel gears and the first bevel gears are meshed with each other.

[0008] The beneficial effect of the above further scheme is that, through the cooperation of the transmission rods, the second bevel gears, the first bevel gears and the lead screws, when the two transmission rods rotate, the second bevel gears at the two ends of the transmission rods rotate, thereby driving the first bevel gears to rotate, since the first bevel gears are sleeved on the outside of the lead screws close to the bottom end, the rotation of the lead screws is realized, and the number of the lead screws is four.

[0009] Further, the outside of the transmission rod is sleeved with a worm gear at the center, the worm gear is drivingly connected with a worm, and the two ends of the worm are connected with the inner wall of the base through bearings.

[0010] The beneficial effect of the above further scheme is that, through the cooperation of the worm gears and the worms, when the worm rotates, the worm gear rotates, since the worm gear is sleeved on the outside of the transmission rod, the rotation of the transmission rod is realized. Further, the top surface of the base is provided with a motor on each side, and the output ends of the two motors are drivingly connected with the two worms.

[0011] The beneficial effect of the above further scheme is that, through the installation of two motors, when the two motors are started, the two worms are driven to rotate.

[0012] Further, the bottom end of the base is provided with a universal wheel at each corner.

[0013] The beneficial effect of the above further scheme is that, through the installation of the universal wheels at the bottom end of the base, the overall movement of the step structure is facilitated.

[0014] Further, the inner wall of each of the pair of vertical plates is provided with a sliding groove on each side, a sliding plate is slidingly connected between the pair of sliding grooves, the upper end of the sliding plate is connected with a lifting plate, the upper end of the lifting plate penetrates the vertical plate and is in gap cooperation with the penetration hole of the vertical plate, the upper end of the lifting plate is connected with a guard plate, and the bottom end of the guard plate is attached to the upper end of the vertical plate.

[0015] The beneficial effect of the above further scheme is that, through the cooperation of the sliding grooves and the sliding plates, the sliding position of the lifting plate is limited, when the lifting plate moves upward, the guard plate is facilitated to move upward, thereby protecting the operator standing on the step assembly and improving safety.

[0016] Further, the inside of each of the two lifting plates is provided with an empty slot, and each of the two empty slots is provided with an electric telescopic rod, the movable end of the electric telescopic rod is connected with the inside upper end of the empty slot, the bottom end of the electric telescopic rod penetrates the sliding plate and extends to the outside, is in gap cooperation with the penetration hole of the sliding plate, and is connected with the inside bottom end of the vertical plate.

[0017] The beneficial effect of adopting the further scheme is that the electric telescopic rod is installed, and when the electric telescopic rod is started, the movable end of the electric telescopic rod pushes the lifting plate to move upwards, so that the lifting plate moves out of the interior of the vertical plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A three-dimensional structure schematic diagram of the step structure convenient to adjust height is provided for the utility model.

[0019] Figure 2 An explosion three-dimensional structure schematic diagram of the step plate and the bottom end of the step structure convenient to adjust height is provided for the utility model.

[0020] Figure 3 A three-dimensional development sectional view of the vertical plate of the step structure convenient to adjust height is provided for the utility model.

[0021] Figure 4 A three-dimensional structure schematic diagram of the height adjusting mechanism of the step structure convenient to adjust height is provided for the utility model.

[0022] Figure 5 A top sectional structure schematic diagram of the base of the step structure convenient to adjust height is provided for the utility model.

[0023] In the figure: 100, main body; 1001, bottom plate; 1002, vertical plate; 1003, step assembly; 1004, lifting plate; 1005, guard plate; 1006, sliding groove; 1007, sliding plate; 1008, empty slot; 1009, electric telescopic rod; 200, height adjusting mechanism; 2001, base; 2002, mounting sleeve; 2003, screw rod; 2004, moving groove; 2005, sliding seat; 2006, first bevel gear; 2007, transmission rod; 2008, second bevel gear; 2009, worm wheel; 2010, worm; 2011, motor; 300, universal wheel. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a kind of step structure of height adjustment, including main body 100, main body 100 includes bottom plate 1001, the upper end of bottom plate 1001 both sides is connected with vertical plate 1002, a pair of vertical plate 1002 between installation has step assembly 1003, the bottom end of step assembly 1003 is connected with the top surface of bottom plate 1001, the bottom end of bottom plate 1001 is equipped with height adjusting mechanism 200, height adjusting mechanism 200 includes base 2001, the upper end surface of base 2001 both sides is equipped with a pair of mounting sleeve 2002, a pair of mounting sleeve 2002 is rotatably connected with screw rod 2003 in the inside, the outside of a pair of screw rod 2003 is threadedly connected with sliding seat 2005, moving groove 2004 is opened in the outer side wall of a pair of mounting sleeve 2002, sliding seat 2005 extends to the outside of moving groove 2004 at the end away from the inside of mounting sleeve 2002, and is connected with the outer side wall of vertical plate 1002, and the outer wall of sliding seat 2005 and the inner wall of moving groove 2004 gap cooperation, the number of screw rod 2003 is four, when four screw rod 2003 rotates, it is convenient for the linear motion of sliding seat 2005 that the outside of its thread connection is realized under the sliding limit action of moving groove 2004, since the opposite side of two pairs of sliding seat 2005 is connected with the side opposite to two vertical plate 1002 respectively, to facilitate driving two vertical plate 1002 and bottom plate 1001 linearly move, to adjust the height of step assembly 1003.

[0026] The technical solutions in the embodiments of the present utility model will be apparently and completely described in connection with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0027] Please refer to Figures 1-5 The utility model provides a technical scheme: the bottom end of two pairs of screw rod 2003 all extends to the inside through base 2001 and is all equipped with first bevel gear 2006, the inside rotation connection of base 2001 has a pair of transmission rod 2007, the outside of both ends of transmission rod 2007 is all equipped with second bevel gear 2008, and the adjacent second bevel gear 2008 and first bevel gear 2006 are mutually engaged, and the outside of transmission rod 2007 is equipped with worm wheel 2009 at the center, and worm wheel 2009 is driven connection has worm 2010, and both ends of worm 2010 are connected with the inner wall of base 2001 through bearing, and the top surface both sides of base 2001 are all installed motor 2011, and the output end of two motor 2011 is driven connection between two worm 2010, and the bottom end of base 2001 four corners is all installed universal wheel 300, and through the installation of two motor 2011, when starting two motor 2011, it is convenient to drive two worm 2010 rotation, and through the cooperation of worm wheel 2009 and worm 2010, when worm 2010 rotates, drives worm wheel 2009 to rotate, because worm wheel 2009 is equipped in the outside of transmission rod 2007, and then realizes the rotation of transmission rod 2007, and through the cooperation of transmission rod 2007, second bevel gear 2008, first bevel gear 2006 and screw rod 2003, when two transmission rod 2007 rotates, the rotation of second bevel gear 2008 in the outside of both ends of transmission rod 2007, thereby drives first bevel gear 2006 to rotate, because first bevel gear 2006 is equipped in the outside of screw rod 2003 near the bottom end, and then realizes the rotation of screw rod 2003, and through the installation of universal wheel 300 at the bottom end four corners of base 2001, thereby it is convenient that the overall movement of the step structure.

[0028] The technical solutions in the embodiments of the present utility model will be apparently and completely described in connection with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0029] Please refer to Figures 1-5The utility model provides a technical scheme: a pair of inner wall both sides of vertical board 1002 are equipped with the sliding slot 1006, a pair of sliding groove 1006 are connected with the sliding plate 1007 between the sliding, the upper end of sliding plate 1007 is connected with the lifting plate 1004, the upper end of lifting plate 1004 is through vertical board 1002, and is matched with the through hole clearance cooperation of vertical board 1002, the upper end of lifting plate 1004 is connected with the fender 1005, the bottom of fender 1005 and the upper end of vertical board 1002 are pasted, the inside of two lifting plates 1004 is equipped with the empty slot 1008, the inside of two empty slots 1008 is equipped with electric telescopic rod 1009, and the movable end of electric telescopic rod 1009 is connected with the inside upper end of empty slot 1008, and the bottom of electric telescopic rod 1009 is through sliding plate 1007 and extends to the outside, and is matched with the through hole clearance cooperation of sliding plate 1007, and the bottom of electric telescopic rod 1009 is connected with the inside bottom of vertical board 1002, through installing electric telescopic rod 1009, when starting electric telescopic rod 1009, its movable end will push lifting plate 1004 and move upwards, through the cooperation of sliding slot 1006 and sliding plate 1007, to the sliding limit of lifting plate 1004, when lifting plate 1004 moves upwards, it is convenient to push fender 1005 and move upwards, thereby the operator of standing on the step subassembly 1003 is protected, and safety is improved.

[0030] Specifically, the working principle of the height-adjustable step structure is as follows: during use, the universal wheels 300 are installed at the bottom corners of the base 2001, so that the whole step structure can be conveniently moved to a specified position; the electric telescopic rods 1009 are installed, and when the electric telescopic rods 1009 are started, the movable ends of the electric telescopic rods 1009 push the lifting plates 1004 to move upwards; the sliding grooves 1006 and the sliding plates 1007 are used in cooperation, so that the lifting plates 1004 are limited in sliding; when the lifting plates 1004 move upwards, the guard plates 1005 are conveniently pushed to move upwards, so as to protect the operators standing on the step assemblies 1003 and improve the safety; two motors 2011 are installed, and when the two motors 2011 are started, the two worm gears 2010 are conveniently driven to rotate; the worm gears 2009 and the worm gears 2010 are used in cooperation, so that when the worm gears 2010 rotate, the worm gears 2009 are driven to rotate; since the worm gears 2009 are sleeved outside the transmission rods 2007, the transmission rods 2007 are rotated; the transmission rods 2007, the second bevel gears 2008, the first bevel gears 2006 and the lead screws 2003 are used in cooperation, so that when the two transmission rods 2007 rotate, the second bevel gears 2008 at the two ends of the transmission rods 2007 rotate, thereby driving the first bevel gears 2006 to rotate; since the first bevel gears 2006 are sleeved outside the lead screws 2003 close to the bottom ends, the lead screws 2003 are rotated; the number of the lead screws 2003 is four; when the four lead screws 2003 rotate, the sliding seats 2005 connected with the lead screws 2003 outside are conveniently subjected to the sliding limiting action of the moving grooves 2004 and realize the vertical linear motion; since the opposite surfaces of the two pairs of sliding seats 2005 are connected with the surfaces of the two vertical plates 1002 away from each other, the two vertical plates 1002 and the bottom plate 1001 are conveniently driven to move linearly, so as to adjust the height of the step assemblies 1003.

Claims

1. A step structure with easily adjustable height, characterized in that, The system includes a main body (100), which includes a base plate (1001). Vertical plates (1002) are connected to both sides of the upper end of the base plate (1001). A step assembly (1003) is installed between a pair of vertical plates (1002). The bottom end of the step assembly (1003) is connected to the top surface of the base plate (1001). A height adjustment mechanism (200) is provided at the bottom end of the base plate (1001). The height adjustment mechanism (200) includes a base (2001), and a pair of mounting brackets are installed on both sides of the upper surface of the base (2001). The mounting sleeves (2002) are rotatably connected to the interior of each pair of mounting sleeves (2002), and each pair of screw rods (2003) is threadedly connected to the exterior of each pair of screw rods (2003). The outer walls of the pair of mounting sleeves (2002) are provided with moving grooves (2004). The end of the sliding block (2005) away from the interior of the mounting sleeve (2002) extends to the exterior of the moving groove (2004) and is connected to the outer wall of the vertical plate (1002). The outer wall of the sliding block (2005) is clearance-fitted with the inner wall of the moving groove (2004).

2. The step structure for easy height adjustment according to claim 1, characterized in that, The bottom ends of both pairs of lead screws (2003) extend through the base (2001) into the interior and are each fitted with a first bevel gear (2006). A pair of transmission rods (2007) are rotatably connected inside the base (2001). Both ends of the transmission rods (2007) are fitted with second bevel gears (2008). Adjacent second bevel gears (2008) mesh with the first bevel gears (2006).

3. The step structure with adjustable height according to claim 2, characterized in that, A worm gear (2009) is sleeved on the outside of the transmission rod (2007) at its center. The worm gear (2009) is connected to a worm (2010). The two ends of the worm (2010) are respectively connected to the inner wall of the base (2001) through bearings.

4. The step structure with adjustable height according to claim 3, characterized in that, Motors (2011) are installed on both sides of the top surface of the base (2001), and the output ends of the two motors (2011) are respectively connected to the two worm gears (2010) for transmission.

5. The step structure for easy height adjustment according to claim 4, characterized in that, The base (2001) is equipped with casters (300) at the four corners of its bottom.

6. The step structure for easy height adjustment according to claim 1, characterized in that, Both sides of the inner wall of the pair of vertical plates (1002) are provided with sliding grooves (1006), and a sliding plate (1007) is slidably connected between the pair of sliding grooves (1006). The upper end of the sliding plate (1007) is connected to a lifting plate (1004). The upper end of the lifting plate (1004) passes through the vertical plate (1002) and is in clearance fit with the through hole of the vertical plate (1002). The upper end of the lifting plate (1004) is connected to a guard plate (1005), and the bottom end of the guard plate (1005) is in contact with the upper end of the vertical plate (1002).

7. The step structure for easy height adjustment according to claim 6, characterized in that, The two lifting plates (1004) have slots (1008) inside, and each slot (1008) has an electric telescopic rod (1009) inside. The movable end of the electric telescopic rod (1009) is connected to the upper end of the slot (1008). The bottom end of the electric telescopic rod (1009) extends through the slide plate (1007) to the outside and is clearance-fitted with the through hole of the slide plate (1007). The bottom end of the electric telescopic rod (1009) is connected to the bottom end of the vertical plate (1002).

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