CN216924059U

CN216924059U - Foldable movable operation shadowless lamp

Info

Publication number: CN216924059U
Application number: CN202123244624.2U
Authority: CN
Inventors: 陈捷; 韩俊俊; 盛海英
Original assignee: Shanghai Fuhong Technology Development Co ltd
Current assignee: Shanghai Fuhong Technology Development Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-07-08
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a foldable movable operation shadowless lamp, which reduces the contradiction between use and movable storage through several improvements. The height of the movable shadowless lamp is reduced by using the lifting stand column, the stand column rises to the highest position to meet the use requirement when the shadowless lamp is normally used, and the stand column falls to the lowest position to reduce the gravity center of the shadowless lamp so as to facilitate movement when the shadowless lamp is moved. Secondly, the spring arm in the vertical direction is used, so that the center of gravity of the lamp can be close to the center of the base, the stability of the movable shadowless lamp is improved, the improvement can improve the convenience of the movable shadowless lamp in moving, and the normal use of the shadowless lamp cannot be influenced.

Description

Foldable movable operation shadowless lamp

Technical Field

The utility model relates to medical auxiliary equipment, in particular to a foldable movable operation shadowless lamp.

Background

Shadowless lamps are medical devices used to illuminate a surgical site for intraoperative viewing of small, low contrast objects at various depths in incisions and body cavities. The head, the hands and the instruments of an operator can cause interference shadows to an operation part, and the operation shadowless lamp can eliminate the shadows as much as possible, can reduce color distortion to the minimum degree, and ensures that the operator can clearly see organs, tissues and blood vessels of an operation inner cavity and clearly see the condition of the deep part of the inner cavity, so that the shadowless lamp is necessary equipment for an operating room of a hospital and plays an important role in illumination in the operation process of a doctor. The movable shadowless lamp is mainly used for supplementary lighting of some operations or operation lighting which cannot use the suspended shadowless lamp. Mobile shadowless lamps have some requirements for the movement and storage of the lamp in addition to the requirements for surgical lighting. The portable lamp is convenient to move, can be moved to an operation place in time and is convenient to store, and the portable lamp is generally used as a supplement and is temporarily used, so that the portable lamp is required to be stored in other places in a non-use time.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a foldable mobile operation shadowless lamp, and aims to solve the problems that the mobile shadowless lamp is inconvenient to move and occupies a large space during storage.

The technical scheme of the utility model is as follows: a foldable movable operating shadowless lamp comprises a base, wherein a vertical column is arranged on the base;

the whole upright post is of a structure capable of extending up and down, and the top of the upright post is provided with a section of spring arm for balancing the weight of the lamp holder;

the spring arm comprises a rotating shaft, a limiting column, an eccentric disc, a connecting rod, a spring, a guide rod, an adjusting nut and a shell; the rotating shaft is horizontally arranged, one end of the rotating shaft extends out of the shell to be connected with one end of the bent pipe, and the other end of the bent pipe is connected with the lamp cap;

the other end of the rotating shaft is positioned in the shell, and the end part of the rotating shaft in the shell is connected with one end of the eccentric disc through a limiting column; one end of the connecting rod is connected with the other end of the eccentric disc, and the other end of the connecting rod is connected with the guide rod; the guide rod is positioned in the cylindrical shell below the eccentric disc and can move up and down along the inside of the shell; the spring is sleeved outside the guide rod, and the bottom of the spring is limited and fixed through an adjusting nut; when the bent pipe rotates to drive the rotating shaft to do rotating motion, the limiting column can drive the eccentric disc to do rotating motion, and then the connecting rod drives the guide rod to do linear motion up and down, and further the compression spring converts the gravitational potential energy of the lamp holder into the elastic potential energy of the spring.

Further, the bent pipe comprises a first bent section, a connector and a second bent section;

one end of the first bending section is fixedly connected with the rotating shaft through a bolt, the other end of the first bending section is fixedly connected with the connector, one end of the second bending section is rotatably and fixedly connected with the connector, and the other end of the second bending section is fixedly connected with the lamp holder; and the central axis of the lamp holder is always positioned on a vertical plane formed by intersecting the central axis of the spring arm and the central axis of the base. The integral balance and stability of the device are ensured.

Furthermore, the bottom of the base is provided with a travelling wheel.

Furthermore, adjusting nut is hexagon socket nut, and surface processing has the external screw thread, shell internal surface is provided with the internal thread with adjusting nut's linkage segment, adjusting nut realizes reciprocating fixedly through the supporting swivelling joint of external screw thread and internal thread.

Furthermore, the center of the adjusting nut is provided with a hole, and the bottom of the guide rod extends into the center hole of the adjusting nut and can move up and down along the center hole of the adjusting nut.

The utility model has the beneficial effects that: the conflict between use and mobile storage is reduced by several improvements. Firstly, the height of the movable shadowless lamp is reduced by using a lifting upright post, the upright post is lifted to the highest position to meet the use requirement when the shadowless lamp is normally used, and the upright post is lowered to the lowest position when the shadowless lamp is moved so that the gravity center of the shadowless lamp is lowered and the shadowless lamp is convenient to move; secondly, the spring arm in the vertical direction is used, so that the center of gravity of the lamp can be close to the center of the base, the stability of the movable shadowless lamp is improved, the improvement can improve the convenience of the movable shadowless lamp in moving, and the normal use of the shadowless lamp cannot be influenced.

The rotating shaft in the spring arm is connected with the lamp cap bent pipe, the rear portion of the rotating shaft is provided with the eccentric disc, the rotating shaft and the guide rod are connected together through the eccentric disc through the connecting rod, the guide rod can only move up and down in the shell, the rotating motion of the rotating shaft can be changed into the linear motion of the guide rod through the eccentric disc and the connecting rod, the gravitational potential energy of the lamp cap can be converted into the elastic potential energy of the spring by compressing the spring when the guide rod moves, the elasticity of the spring can be adjusted by adjusting the adjusting nut, the gravitational potential energy of the lamp cap is equal to the elastic potential energy of the spring, and the lamp cap is guaranteed to stop at any position.

Drawings

FIG. 1 is a schematic view of a collapsible portable surgical shadowless lamp in use;

FIG. 2 is a top view of the collapsible portable surgical shadowless lamp;

FIG. 3 is a schematic view of the collapsible portable surgical shadowless lamp in a stored state;

FIG. 4 is a partial cross-sectional view of a collapsible portable surgical shadowless lamp.

In the figure: the device comprises a base 1, a stand column 2, a traveling wheel 3, a spring arm 4, a bent pipe 5, a lamp holder 6, a rotating shaft 41, a limiting column 42, an eccentric disc 43, a connecting rod 44, a spring 45, a guide rod 46, an adjusting nut 47, a shell 48, a first bending section 51, a connector 52 and a second bending section 53.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, a foldable mobile operation shadowless lamp comprises a base 1, wherein a vertical upright post 2 is arranged on the base 1. And the bottom of the base 1 is provided with a travelling wheel 3.

The whole upright post 2 is of an up-down telescopic structure, and the top of the upright post is provided with a section of spring arm 4 for balancing the weight of the lamp holder. The lifting structure can enable the lamp holder to be lifted to the highest position when in use and to be lowered to the lowest position when in storage, and meanwhile, the requirements of use and storage are met.

As shown in fig. 4, the spring arm 4 includes a rotating shaft 41, a position-limiting post 42, an eccentric disc 43, a connecting rod 44, a spring 45, a guide rod 46, an adjusting nut 47 and a housing 48. The rotating shaft 41 is horizontally arranged, one end of the rotating shaft 41 extends out of the shell to be connected with one end of the bent pipe 5, and the other end of the bent pipe 5 is connected with the lamp holder 6.

The elbow 5 comprises a first bend section 51, a connection head 52 and a second bend section 53. First crooked section 51 one end passes through bolt fixed connection pivot 41, the first crooked section 51 other end and connector 52 fixed connection, second crooked section 53 one end and connector 52 rotatable formula fixed connection, the second crooked section 53 other end and lamp holder 6 fixed connection. And the central axis of the lamp holder 6 is always positioned on a vertical plane formed by intersecting the central axis of the spring arm and the central axis of the base. The integral balance and stability of the device are ensured. When the plug is removed, the lamp cap and the elbow naturally hang down to be folded as shown in fig. 3.

The other end of the rotating shaft 41 is located inside the casing, and the end of the rotating shaft 41 inside the casing is connected with one end of the eccentric disc 43 through the limiting column 42. One end of the connecting rod 44 is connected with the other end of the eccentric disc 43, and the other end of the connecting rod 44 is connected with the guide rod 46. The guide rod 46 is located in a cylindrical housing 48 below the eccentric disc 43 and can move up and down inside the housing 48. The spring 45 is sleeved outside the guide rod 46, and the bottom of the spring 45 is limited and fixed through an adjusting nut 47. The guide rod can only move up and down in the shell, the rotating motion of the rotating shaft can be changed into the linear motion of the guide rod through the eccentric disc and the connecting rod, the gravitational potential energy of the lamp cap can be converted into the elastic potential energy of the spring by compressing the spring when the guide rod moves, the elasticity of the spring can be adjusted by adjusting the adjusting nut, the gravitational potential energy of the lamp cap is equal to the elastic potential energy of the spring, and the lamp cap is guaranteed to stop at any position.

In a preferred embodiment, the adjusting nut 47 is a hexagon socket nut, the outer surface of the adjusting nut is provided with an external thread, the inner surface of the housing 48 is provided with an internal thread at the connection section of the adjusting nut 47, and the adjusting nut 47 is fixed in an up-and-down manner through the matching rotary connection of the external thread and the internal thread. The center of the adjusting nut 47 is provided with a hole, and the bottom of the guide rod 46 extends into the center hole of the adjusting nut 47 and can move up and down along the center hole of the adjusting nut 47.

The collapsible portable surgical shadowless lamp reduces the conflict between use and mobile storage through several improvements. The height of the movable shadowless lamp is reduced by using the lifting stand column, the stand column is lifted to the highest position to meet the use requirement when the shadowless lamp is normally used, and the stand column is lowered to the lowest position to reduce the gravity center of the shadowless lamp so as to be convenient to move when the shadowless lamp is moved. Secondly, the spring arm in the vertical direction is used, so that the center of gravity of the lamp can be close to the center of the base, the stability of the movable shadowless lamp is improved, the improvement can improve the convenience of the movable shadowless lamp in moving, and the normal use of the shadowless lamp cannot be influenced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention.

Claims

1. A foldable mobile operation shadowless lamp is characterized in that: the device comprises a base (1), wherein a vertical upright post (2) is arranged on the base (1);

the whole upright post (2) is of an up-and-down telescopic structure, and the top of the upright post is provided with a section of spring arm (4) for balancing the weight of the lamp holder;

the spring arm (4) comprises a rotating shaft (41), a limiting column (42), an eccentric disc (43), a connecting rod (44), a spring (45), a guide rod (46), an adjusting nut (47) and a shell (48); the rotating shaft (41) is horizontally arranged, one end of the rotating shaft (41) extends out of the shell to be connected with one end of the bent pipe (5), and the other end of the bent pipe (5) is connected with the lamp cap (6);

the other end of the rotating shaft (41) is positioned in the shell, and the end part of the rotating shaft (41) in the shell is connected with one end of an eccentric disc (43) through a limiting column (42); one end of the connecting rod (44) is connected with the other end of the eccentric disc (43), and the other end of the connecting rod (44) is connected with the guide rod (46); the guide rod (46) is positioned in a cylindrical shell (48) below the eccentric disc (43) and can move up and down along the inside of the shell (48); the spring (45) is sleeved outside the guide rod (46), and the bottom of the spring (45) is limited and fixed through an adjusting nut (47); when the bent pipe rotates to drive the rotating shaft to rotate, the eccentric disc can be driven to rotate through the limiting column, the guide rod is driven to move linearly up and down through the connecting rod, and then the gravitational potential energy of the lamp holder is converted into elastic potential energy of the spring through the compression spring.

2. The collapsible mobile surgical shadowless lamp of claim 1, wherein: the elbow (5) comprises a first bending section (51), a connector (52) and a second bending section (53);

one end of the first bending section (51) is fixedly connected with the rotating shaft (41) through a bolt, the other end of the first bending section (51) is fixedly connected with the connector (52), one end of the second bending section (53) is rotatably and fixedly connected with the connector (52), and the other end of the second bending section (53) is fixedly connected with the lamp holder (6); and the central axis of the lamp holder (6) is always positioned on a vertical plane formed by intersecting the central axis of the spring arm and the central axis of the base.

3. The collapsible mobile surgical shadowless lamp of claim 1, wherein: and a travelling wheel (3) is arranged at the bottom of the base (1).

4. The collapsible mobile surgical shadowless lamp of claim 1, wherein: adjusting nut (47) is hexagon socket head nut, and surface processing has the external screw thread, shell (48) internal surface is provided with the internal thread with the linkage segment of adjusting nut (47), adjusting nut (47) realize reciprocating fixedly through the supporting swivelling joint of external screw thread and internal thread.

5. The collapsible mobile surgical shadowless lamp of claim 4 wherein: the center of the adjusting nut (47) is provided with a hole, and the bottom of the guide rod (46) extends into the center hole of the adjusting nut (47) and can move up and down along the center hole of the adjusting nut (47).