CN111035517A

CN111035517A - Guide rail lifting device

Info

Publication number: CN111035517A
Application number: CN201911400219.XA
Authority: CN
Inventors: 巩明川; 张宝林; 董志国
Original assignee: Shenyang Hengyi Enterprise Co ltd
Current assignee: Shenyang Hengyi Enterprise Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-21

Abstract

The invention discloses a guide rail lifting device.A guide groove is formed on the side part of an upright post, guide holes are arranged in the guide groove, and the guide holes are vertically distributed along the guide groove; the screw rod is screwed in the center of the upright post, the screw rod is screwed with the lifting block, the top of the screw rod is connected with the fixed seat, and the fixed seat is connected with the top of the upright post; the lateral part of support is formed with the bayonet socket, and the edge connection of bayonet socket has the guide rail, and the support passes through guide rail embedding guide slot, and the lateral part of support is equipped with first set screw, and first set screw passes behind the guide hole through the support to be connected with the elevator, and the elevator drives the support and goes up and down along the lateral part of stand. The technical scheme of the invention can ensure that the suspension load hoisting point of the lifting mechanism always stably runs on a straight line track, and the distance is constant, thereby eliminating the speed generated by the change of the distance D; meanwhile, the lateral stability of the hoisting point can be ensured due to the matching of the guide rail and the guide groove; the stability and the security of equipment can be improved by a wide margin, and the advantage is obvious compared with the current scheme.

Description

Guide rail lifting device

Technical Field

The embodiment of the invention relates to the technical field of nursing instruments, in particular to a guide rail lifting device.

Background

The guide rail elevator is mainly used for medical care, and can transfer patients or attended persons who have mobility difficulty or no mobility between sickbeds, wheelchairs, potty chairs, bath chairs and the like, so that the patients can be safely transferred, and meanwhile, the burden of nursing staff can be greatly reduced. At present, the guide rail hoister is a very practical nursing apparatus for hospitals, nursing homes, nursing institutions, wards, families and the like at home and abroad, and has the characteristics of convenience in use and simplicity in maintenance.

Referring to fig. 1, there is shown an isometric view of a prior art solution of a track hoist, and to fig. 2 and 3, there are two state views of the track hoist during use. The operator can make the distal end P1 of the lifting part perform a circular motion around the point O by operating the power operation part, i.e. the trajectory T1, and complete the lifting of the patient through the high and low positions of the point P1, as shown in fig. 3, which is a schematic diagram of the prior art at the low point.

As can be seen from fig. 2 and 3, the far-end hanging point P1 is circular motion, and the distance in the drawing is along with the circular motion track, and the value of D is always changed, i.e. the low point is minimum and the high point is maximum, so that the horizontal speed exists in the lifting process, on one hand, the lifting or the descending is unstable, on the other hand, the risk that the patient collides with the mechanism part also exists, especially, because of the horizontal speed, the far-end point P1 drives the patient to bring lateral torsion to the node O, the structural member of the node O is damaged slightly, and the whole system is tilted heavily, so that the patient is brought with secondary injury, which is very dangerous.

Disclosure of Invention

Therefore, the embodiment of the invention provides a guide rail lifting device to solve the problems of horizontal speed, shaking, collision risk and dumping risk in lifting in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a guide rail lifting device comprises a lifting mechanism, wherein the lifting mechanism comprises an upright post, a screw rod and a bracket, a guide groove is formed in the side part of the upright post, guide holes are formed in the guide groove, and the guide holes are vertically distributed along the guide groove; the screw rod is connected to the center of the upright post in a rotating mode, the screw rod is connected with the lifting block in a rotating mode, the top of the screw rod is connected with the fixed seat, and the fixed seat is connected to the top of the upright post; the side part of the support is provided with a bayonet, the edge of the bayonet is connected with a guide rail, the support is embedded into the guide groove through the guide rail, the side part of the support is provided with a first fixing screw, the first fixing screw passes through the support and is connected with the lifting block after penetrating through the guide hole, and the lifting block drives the support to lift along the side part of the upright post.

As the preferred scheme of the guide rail lifting device, the bayonets are U-shaped, the number of the guide rails is two, and the two guide rails are vertically connected into the bayonets of the support through second fixing screws respectively.

As a preferable scheme of the guide rail lifting device, a socket is formed on the support, the support is connected with a beam body through the socket, one end of the beam body is inserted into the socket, the middle part of the beam body is bent towards one side, and symmetrically distributed hanging frames are connected below the tail end of the beam body.

As a preferable scheme of the guide rail lifting device, the fixed seat is connected with the upright column through a third fixing screw, a bearing is arranged at the center of the fixed seat, a rod shaft is arranged at the upper end of the bearing, and the lead screw penetrates through the bearing and then is matched with the rod shaft.

As the preferred scheme of the guide rail lifting device, a top cover is arranged above the fixed seat and is in interference fit with the top of the upright post.

As the preferable scheme of the guide rail lifting device, the screw rod is screwed with a screw nut through threads, and the screw nut is connected with the lifting block.

As the preferable scheme of the guide rail lifting device, the bottom of the upright post is connected with a base, and the lower end of the base is connected with a roller.

As a preferable mode of the rail lifting device, the pillar is connected to a rear portion of the base, and an opening is formed in a front portion of the base.

As a preferable scheme of the guide rail lifting device, a lifting motor is connected to a side portion of the upright post, and the lifting motor is connected to the lead screw.

As a preferable mode of the rail lifting device, a handle is connected to a side portion of the pillar.

According to the technical scheme, the side part of the upright post is provided with a guide groove, guide holes are arranged in the guide groove, and the guide holes are vertically distributed along the guide groove; the screw rod is screwed in the center of the upright post, the screw rod is screwed with the lifting block, the top of the screw rod is connected with the fixed seat, and the fixed seat is connected with the top of the upright post; the lateral part of support is formed with the bayonet socket, and the edge connection of bayonet socket has the guide rail, and the support passes through guide rail embedding guide slot, and the lateral part of support is equipped with first set screw, and first set screw passes behind the guide hole through the support to be connected with the elevator, and the elevator drives the support and goes up and down along the lateral part of stand. The technical scheme of the invention can ensure that the suspension load hoisting point of the lifting mechanism always stably runs on a straight line track, the lifting track is parallel to the upright column, the distance is constant and is a constant value, and the speed generated by the change of the distance D is eliminated, which is essentially different from the existing scheme; meanwhile, the lateral stability of the hoisting point can be ensured due to the matching of the guide rail and the guide groove. Therefore, the scheme can greatly improve the stability and the safety of the equipment, and has obvious advantages compared with the existing scheme.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.

FIG. 1 is a schematic structural diagram of a guide rail elevator in the prior art;

FIG. 2 is a structural diagram of a guide rail elevator in a high point state in the prior art;

FIG. 3 is a structural diagram of a guide rail elevator in a low point state in the prior art;

fig. 4 is a schematic perspective view of a rail lifting device according to an embodiment of the present invention;

FIG. 5 is a side view of a rail lift provided in an embodiment of the present invention;

fig. 6 is a schematic view of a descending state of the rail lifting device according to the embodiment of the present invention;

FIG. 7 is an exploded view of a rail lift provided in an embodiment of the present invention;

fig. 8 is a cross-sectional view of a guide rail lifting device a-a provided in an embodiment of the present invention;

FIG. 9 is a cross-sectional view of a guide rail lifting device B-B provided in an embodiment of the present invention;

fig. 10 is a partial schematic view of a rail lifting device provided in an embodiment of the present invention.

In the figure: 1. a column; 2. a lead screw; 3. a support; 4. a guide groove; 5. a guide hole; 6. a lifting block; 7. a fixed seat; 8. a bayonet; 9. a first set screw; 10. a lead screw nut; 11. a second set screw; 12. a beam body; 13. a hanger; 14. a third set screw; 15. a bearing; 16. a lever shaft; 17. a top cover; 18. a base; 19. a roller; 20. an opening; 21. a lifting motor; 22. a handle; 23. a guide rail.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.

Referring to fig. 1, 2 and 3, referring to fig. 4, 5, 6, 7, 8, 9 and 10, there is provided a guide rail lifting device, including a lifting mechanism, the lifting mechanism including a vertical column 1, a lead screw 2 and a bracket 3, a guide groove 4 formed at a side portion of the vertical column 1, guide holes 5 provided inside the guide groove 4, the guide holes 5 being vertically distributed along the guide groove 4; the screw rod 2 is screwed in the center of the upright post 1, the screw rod 2 is screwed with the lifting block 6, the top of the screw rod 2 is connected with the fixed seat 7, and the fixed seat 7 is connected with the top of the upright post 1; a bayonet 8 is formed at the side of the bracket 3, a guide rail 23 is connected to the edge of the bayonet 8, the bracket 3 is embedded into the guide groove 4 through the guide rail 23, a first fixing screw 9 is arranged at the side of the bracket 3, the first fixing screw 9 passes through the bracket 3 and then is connected with the lifting block 6 after passing through the guide hole 5, and the lifting block 6 drives the bracket 3 to lift along the side of the upright post 1.

Specifically, referring to fig. 7 and 9, the screw 2 is screwed with a screw nut 10 through a thread, and the screw nut 10 is connected with the lifting block 6. The screw rod 2 is in threaded fit with the screw nut 10, and the screw nut 10 can ascend or descend in the inner hole of the upright post 1 by the rotation of the screw rod 2, so that the lifting block 6 is driven to ascend or descend.

Referring to fig. 7, in one embodiment of the rail lifting device, the bayonet 8 is U-shaped, two rails 23 are provided, and the two rails 23 are vertically connected to the bayonet 8 of the bracket 3 through second fixing screws 11. The bayonet 8 is designed to stably assemble the bracket 3 with the upright post 1, and the guide rail 23 realizes the sliding of the bracket 3 relative to the guide groove 4 on the upright post 1, thereby realizing the adjustment of the vertical position of the bracket 3.

With reference to fig. 8 and 10, specifically, a socket is formed on the bracket 3, the bracket 3 is connected to a beam 12 through the socket, one end of the beam 12 is inserted into the socket, the middle of the beam 12 is bent to one side, and the symmetrically distributed hangers 13 are connected to the lower portion of the tail end of the beam 12. The bracket 3 is used as a connecting piece and is connected with the hanger 13 through the beam body 12 to form a load hoisting end.

In an embodiment of the rail lifting device, the fixed base 7 is connected with the upright 1 through a third fixing screw 14, a bearing 15 is arranged in the center of the fixed base 7, a rod shaft 16 is arranged at the upper end of the bearing 15, and the lead screw 2 passes through the bearing 15 and then is matched with the rod shaft 16. The bearing 15 is installed in the fixed seat 7 and fixed on the upright post 1 through a third fixing screw 14 to form a rotary support, and the lead screw 2 penetrates through the bearing 15 and is matched through a rod shaft 16, so that the lead screw 2 can stably rotate around the axis of the lead screw.

Specifically, a top cover 17 is arranged above the fixed seat 7, and the top cover 17 is in interference fit with the top of the upright post 1. The top cover 17 is a sealing part at the top end of the upright post 1, plays a role in protection, is provided with a certain interference magnitude, and can be directly and stably installed at the top end of the upright post 1.

With reference to fig. 1 and 2, in one embodiment of the rail lifting apparatus, a base 18 is connected to the bottom of the upright 1, and a roller 19 is connected to the lower end of the base 18. The design of the foot 18 and the roller 19 facilitates the transfer of the entire rail lifting device. The upright 1 is connected to the rear of the base 18, and the front of the base 18 is formed with an opening 20. The beam 12 and the hanger 13 are at the upper end of the opening 20 of the base 18, and the upright 1 is close to the rear part of the base 18, which is beneficial to the balance of the use of the whole device.

In one embodiment of the rail lifting device, a lifting motor 21 is connected to a side portion of the upright 1, and the lifting motor 21 is connected to the lead screw 2. The lifting motor 21 provides power for the screw rod 2, the screw rod 2 can rotate around the axis of the lifting motor 21, the lifting motor 21 can adopt a screw rod lifter, the lifting motor belongs to the prior art, the lifting motor is also applied to the existing guide rail lifter, and the technical means are known by the technical personnel in the field.

With reference to fig. 1 and 2, in one embodiment of the rail-lifting device, a handle 22 is attached to the side of the upright 1. Handle 22 facilitates handling and transfer of the rail lift.

According to the technical scheme, the lifting motor 21 provides power for the lead screw 2, the lead screw 2 can rotate around the axis of the lead screw, the bearing 15 is installed in the fixed seat 7 and fixed on the upright post 1 through the third fixing screw 14 to form a rotary support, and the lead screw 2 penetrates through the bearing 15 to complete matching through the rod shaft 16, so that the lead screw 2 can stably rotate around the axis of the lead screw. The screw rod 2 is in threaded fit with the screw nut 10, and the screw nut 10 can ascend or descend in the inner hole of the upright post 1 by the rotation of the screw rod 2, so that the ascending or descending of the lifting block 6 is driven. The bayonet 8 is designed to stably assemble the bracket 3 with the upright post 1, and the guide rail 23 realizes the sliding of the bracket 3 relative to the guide groove 4 on the upright post 1, thereby realizing the adjustment of the vertical position of the bracket 3. The bracket 3 is used as a connecting piece and is connected with the hanger 13 through the beam body 12 to form a load hoisting end. Handle 22 facilitates handling and transfer of the rail lift.

In the technical scheme, the guide groove 4 wall is arranged on the inner side of the guide groove 4, so that under the condition of the load of the hanger 13, the lateral force transmitted by the beam body 12 is born by the guide rail 23 and the guide groove 4 wall; the descending gravity is transmitted to the lifting block 6 and the screw nut 10 through the first fixing screw 9 on the bracket 3, and then borne by a power system; this ensures that the elevator mechanism can be raised or lowered in the pre-designed guide holes 5. The technical scheme of the invention can ensure that the suspension load hoisting point of the lifting mechanism always stably runs on a straight line track, the lifting track is parallel to the upright post 1, the distance is constant and is a constant value, and the speed generated by the change of the distance D is eliminated, which is essentially different from the existing scheme; at the same time, because of the cooperation of the guide rail 23 and the guide groove 4, the lateral stability of the hoisting point can be ensured. Therefore, the scheme can greatly improve the stability and the safety of the equipment, and has obvious advantages compared with the existing scheme.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The guide rail lifting device is characterized by comprising a lifting mechanism, wherein the lifting mechanism comprises an upright post (1), a lead screw (2) and a bracket (3), a guide groove (4) is formed in the side part of the upright post (1), a guide hole (5) is formed in the guide groove (4), and the guide holes (5) are vertically distributed along the guide groove (4); the lead screw (2) is connected to the center of the upright post (1) in a rotating mode, the lead screw (2) is connected with a lifting block (6) in a rotating mode, the top of the lead screw (2) is connected with a fixed seat (7), and the fixed seat (7) is connected to the top of the upright post (1); the lateral part of support (3) is formed with bayonet socket (8), the edge connection of bayonet socket (8) has guide rail (23), and support (3) pass through guide rail (23) embedding guide slot (4), the lateral part of support (3) is equipped with first set screw (9), first set screw (9) warp support (3) pass behind guide hole (5) with elevator block (6) are connected, elevator block (6) drive support (3) are followed the lateral part of stand (1) goes up and down.

2. Guide rail lifting device according to claim 1, characterized in that the bayonet (8) is U-shaped, that there are two guide rails (23), and that the two guide rails (23) are vertically connected in the bayonet (8) of the bracket (3) by means of second fixing screws (11), respectively.

3. A guide rail lifting device according to claim 1, characterized in that the bracket (3) is formed with a socket, through which the bracket (3) is connected with a beam (12), one end of the beam (12) is inserted into the socket, the middle of the beam (12) is bent to one side, and symmetrically distributed hangers (13) are connected below the end of the beam (12).

4. The guide rail lifting device according to claim 1, wherein the fixed base (7) is connected with the upright (1) through a third fixing screw (14), a bearing (15) is arranged in the center of the fixed base (7), a rod shaft (16) is arranged at the upper end of the bearing (15), and the lead screw (2) is matched with the rod shaft (16) after passing through the bearing (15).

5. A guide rail lifting device according to claim 4, characterized in that a top cover (17) is arranged above the fixed base (7), and the top cover (17) is in interference fit with the top of the upright (1).

6. Guide rail lifting device according to claim 1, characterized in that the screw (2) is screwed with a screw nut (10), the screw nut (10) being connected with the lifting block (6).

7. A guide rail lifting device according to claim 1, characterized in that a base (18) is connected to the bottom of the upright (1), and that a roller (19) is connected to the lower end of the base (18).

8. Guide rail lifting device according to claim 7, characterized in that the upright (1) is connected to the rear part of the base (18), the front part of the base (18) being formed with an opening (20).

9. A guide rail lifting device according to claim 1, characterized in that a lifting motor (21) is connected to the side of the upright (1), said lifting motor (21) being connected to the lead screw (2).

10. A guide rail lifting device according to claim 1, characterized in that a handle (22) is attached to the side of the upright (1).