CN211110817U - A new type of screw elevator - Google Patents

Abstract

The utility model discloses a novel screw lifter, which comprises a casing, a rotating motor is fixedly installed on the inner wall of the bottom of the casing, a pinion is fixedly connected to the top end of an output shaft of the rotating motor, and two inner walls of the casing are arranged between the two sides of the inner wall. There are two sets of connecting rods, a bearing is arranged between the two sets of connecting rods, a lead screw is arranged on the central axis of the bearing, and a large gear is fixedly connected to the bottom end of the lead screw, and between the small gear and the large gear They mesh with each other, and a nut seat is fixed and sleeved on the concentric axis of the lead screw. In the present invention, by setting devices such as a support rod, a support plate and a base, the support structure composed of the support rod and the support plate can make the nut seat and the support plate. When the lead screw slides down, the platform can be lifted and lowered steadily to avoid the danger caused by the platform sliding, and the support rod usually does not affect the lifting work.

Description

A new type of screw elevator

technical field

The utility model relates to the technical field of elevators, in particular to a novel screw elevator.

Background technique

The lead screw lift is usually used continuously with the motor or reducer. Because the environment where it is used is mostly in public places, there are higher requirements for the procurement of such products, instead of taking the coordinate lift as an ordinary one. The production equipment is purchased, the screw lift is widely used, and various screw lifts are also coming in, and the lift is also made of aluminum alloy. It is recognized by everyone because of its light weight, small size, flexible and convenient operation, and beautiful appearance. There are many types of aluminum alloy lifts on the market. Everyone needs to distinguish and filter them when purchasing. In fact, it is not much different from purchasing ordinary lifts. At present, the screw lifts on the market are generally driven up and down by a rotating motor, but occasionally the connection between the screw and the nut seat may be unreliable, and the top platform of the lift bears an excessive load, causing the nut seat to slip, and there is no other support at the bottom of the lift. As a result, the workers on the elevator platform are in danger, so a device is urgently needed to solve the above problems.

Utility model content

The purpose of the utility model is to propose a new type of screw lifter in order to solve the shortcomings in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a novel screw lifter, comprising a case, a rotating motor is fixedly installed on the inner wall of the bottom of the case, and a pinion is fixedly connected to the top end of the output shaft of the rotating motor, Two sets of connecting rods are arranged between the inner walls on both sides of the chassis, bearings are arranged between the two sets of connecting rods, a lead screw is arranged on the central axis of the bearing, and a large gear is fixedly connected to the bottom end of the lead screw. The pinion gear and the large gear are meshed with each other, a nut seat is fixedly sleeved on the concentric axis of the lead screw, a second connection block is fixedly connected to the outer wall around the nut seat, and the second connection block and the nut seat are connected. A fixing screw is arranged between the two connecting blocks, a support column is fixedly connected to the outer wall of the second connecting block, a first connecting block is fixedly connected to the top end of the support column, a platform is fixedly connected to the top of the first connecting block, and the top of the platform is externally connected. An anti-skid pad is laid on the surface, a base is fixedly connected to the outer surface of the top of the chassis, a support rod is fixedly connected to the top of the base, and a support plate is fixedly connected to the top end of the support rod.

As a further description of the above technical solutions:

The chassis is a hollow cuboid structure.

As a further description of the above technical solutions:

The lead screw is located on the central axis of the chassis.

As a further description of the above technical solutions:

Threaded fixing connection holes are provided on the surrounding outer walls of the nut seat and the corresponding positions of the fixing screws.

As a further description of the above technical solutions:

The number of the second connection blocks is four groups, each adjacent two groups of second connection blocks are perpendicular to each other, and the four groups of second connection blocks are all located on the central axis of the nut seat.

As a further description of the above technical solutions:

The support column is L-shaped.

As a further description of the above technical solutions:

The number of the first connecting blocks is four groups, and the four groups of the first connecting blocks are parallel to each other.

The utility model has the following beneficial effects:

1. Compared with the traditional device, a new type of screw lift proposed by the present utility model, by setting four groups of support columns and two connecting blocks, the lifting platform is fixedly connected with the four groups of support columns, so as to ensure that the connection is reliable and synchronization can be achieved. The synchronous lifting and lowering of four groups of support columns, the device is simple in structure, convenient and practical.

2. Compared with the traditional device, the device has great innovation and improvement in its structure and design. By setting the supporting rod, supporting plate and base and other devices, the supporting structure composed of the supporting rod and the supporting plate can make the nut seat and the When the lead screw slides down, the platform can be lifted and lowered steadily to avoid the danger caused by the platform sliding, and the support rod usually does not affect the lifting work.

Description of drawings

Fig. 1 is the front view structure diagram of a kind of novel screw elevator proposed by the utility model;

Fig. 2 is the enlarged view of A place in Fig. 1;

FIG. 3 is a schematic diagram of the positional relationship between the support plate and the support column.

illustration:

1. Chassis; 2. Bearing; 3. Large gear; 4. Rotating motor; 5. Small gear; 6. Connecting rod; 7. Screw; 8. Support rod; 9. Platform; 10. Anti-skid pad; 11. Support 12. The first connecting block; 13. The supporting column; 14. The nut seat; 15. The base; 16. The second connecting block; 17. The fixing screw.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation to the present invention; the terms "first", "second" and "third" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance. In addition, Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

1-3, an embodiment provided by the present utility model: a new type of screw lifter, including a chassis 1, the bottom inner wall of the chassis 1 is fixedly installed with a rotating motor 4, the top end of the output shaft of the rotating motor 4 is fixedly connected with a small Gear 5, two sets of connecting rods 6 are arranged between the inner walls of the two sides of the chassis 1, a bearing 2 is arranged between the two sets of connecting rods 6, a lead screw 7 is arranged on the central axis of the bearing 2, and the bottom end of the lead screw 7 is fixedly connected with a large screw. The gear 3, the pinion 5 and the large gear 3 are meshed with each other, the nut seat 14 is fixedly sleeved on the concentric axis of the lead screw 7, and the outer wall around the nut seat 14 is fixedly connected with a second connecting block 16, the second connecting block 16 and the nut A fixing screw 17 is arranged between the seats 14, a support column 13 is fixedly connected to the outer wall of the second connection block 16, a first connection block 12 is fixedly connected to the top end of the support column 13, and a platform 9 is fixedly connected to the top of the first connection block 12. 9. An anti-skid pad 10 is laid on the top outer surface, a base 15 is fixedly connected to the top outer surface of the chassis 1, a support rod 8 is fixedly connected to the top of the base 15, and a support plate 11 is fixedly connected to the top end of the support rod 8.

The chassis 1 is a hollow cuboid structure, which is convenient for the fixed installation of various parts inside the chassis 1. The lead screw 7 is located on the central axis of the chassis 1, which is convenient for the lifting movement of the nut seat 14 on the lead screw 7. The surrounding outer walls of the nut seat 14 are fixed with The corresponding position of the screw 17 is provided with a threaded fixing connection hole, which is convenient for the fixed connection between the nut seat 14 and the second connecting block 16 on the outer wall. They are perpendicular to each other, and the four groups of second connection blocks 16 are all located on the central axis of the nut seat 14, which is convenient for the fixed connection of the support column 13. The support column 13 is L-shaped, which is convenient for supporting the platform 9. The first connection block 12 There are four groups of first connecting blocks 12 , and the four groups of first connecting blocks 12 are parallel to each other, which facilitates the fixed connection between the support columns 13 and the platform 9 through the first connecting blocks 12 .

Working principle: a new type of screw elevator proposed by the present utility model has great improvements and innovations compared with traditional devices. The rotating motor 4 located inside the chassis 1 is activated, and the rotating motor 4 drives the pinion 5 at the end of the output shaft to rotate. 3 and the pinion 5 are meshed with each other, so that the large gear 3 rotates, driving the screw 7 to rotate, and the screw 7 converts its own rotation into the vertical lifting movement of the nut seat 14 on the screw 7, driving the fixed The support column 13 connected to the nut seat 14 is lifted and lowered. Since the top of the support column 13 is fixedly connected to the platform 9, the lifting motion of the platform 9 is driven to complete the lifting work of the device. When the nut seat 14 and the lead screw 7 fall off accidentally , because the supporting structure composed of the supporting plate 11 and the supporting rod 8 arranged at the bottom can effectively avoid the danger caused by the rapid sliding of the platform 9 .

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model, All should be included within the protection scope of the present invention.

Claims (7)

1. A novel screw lifter, comprising a case (1), characterized in that: a rotary motor (4) is fixedly installed on the bottom inner wall of the case (1), and the top end of the output shaft of the rotary motor (4) is fixedly connected There is a pinion (5), two sets of connecting rods (6) are arranged between the inner walls on both sides of the chassis (1), and a bearing (2) is arranged between the two sets of the connecting rods (6). 2) A lead screw (7) is arranged on the central axis, the bottom end of the lead screw (7) is fixedly connected with a large gear (3), and the pinion (5) and the large gear (3) are meshed with each other, so A nut seat (14) is fixedly sleeved on the concentric axis of the lead screw (7), and a second connecting block (16) is fixedly connected to the outer wall around the nut seat (14), and the second connecting block (16) is connected to the nut. A fixing screw (17) is arranged between the seats (14), a support column (13) is fixedly connected to the outer wall of the second connection block (16), and a first connection block (13) is fixedly connected to the top end of the support column (13). 12), a platform (9) is fixedly connected to the top of the first connecting block (12), an anti-skid pad (10) is laid on the top outer surface of the platform (9), and a top outer surface of the chassis (1) is fixedly connected to A base (15), a support rod (8) is fixedly connected to the top of the base (15), and a support plate (11) is fixedly connected to the top end of the support rod (8). 2. A novel screw lifter according to claim 1, characterized in that: the case (1) is a hollow cuboid structure. 3. A novel lead screw elevator according to claim 1, characterized in that: the lead screw (7) is located on the central axis of the chassis (1). 4. A new type of screw lifter according to claim 1, characterized in that threaded fixing connection holes are provided at the corresponding positions of the outer wall around the nut seat (14) and the fixing screw (17). 5. A new type of screw elevator according to claim 1, characterized in that: the number of the second connecting blocks (16) is four groups, and each adjacent two groups of second connecting blocks (16) are connected to each other. Vertically, the four groups of second connecting blocks (16) are all located on the central axis of the nut seat (14). 6. A new type of screw lifter according to claim 1, characterized in that: the support column (13) is L-shaped. 7. A new type of screw lifter according to claim 1, characterized in that: the number of the first connecting blocks (12) is four groups, and the four groups of the first connecting blocks (12) are parallel to each other.

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