CN213301170U

CN213301170U - Bulb turned angle measuring mechanism

Info

Publication number: CN213301170U
Application number: CN202021755368.6U
Authority: CN
Inventors: 黄业同; 罗大亮
Original assignee: Zhuhai Perlead Medical Equipment Co ltd
Current assignee: Zhuhai Perlead Medical Equipment Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-28
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a bulb turned angle measuring mechanism, including the support arm, still include: the bulb tube assembly comprises a control panel, the bulb tube assembly is connected with the supporting arm through a rotating structure, and the bulb tube assembly is suitable for rotating relative to the supporting arm; the angular displacement sensor is fixed on the bulb tube assembly and comprises a rotor shaft, and the angular displacement sensor is electrically connected with the control panel; and the gravity block is connected with the rotor shaft and is suitable for driving the rotor shaft to rotate. The utility model discloses a bulb turned angle measuring mechanism is through setting up angle displacement sensor and gravity piece on the bulb subassembly, and the gravity piece drives the rotor shaft and rotates for angle displacement sensor to detect the turned angle who reachs the bulb subassembly, this structure has avoided the measuring error that mechanical transmission brought, has guaranteed the accurate nature of angle detection.

Description

Bulb turned angle measuring mechanism

Technical Field

The utility model relates to the technical field of medical equipment, in particular to bulb turned angle measuring mechanism.

Background

The medical X-ray bulb tube is a common medical shooting device, and in order to meet the shooting requirements of different parts of a patient, a bulb tube assembly usually needs to rotate to a proper angle around a supporting arm so as to ensure normal shooting. Traditional X ray bulb adopts mechanical type angle appearance survey rotation angle usually at the rotatory in-process of bulb subassembly, and because the driven characteristic of mechanical structure of mechanical type angle appearance, the angle that records after long-term the use can have certain deviation value with actual angle to the inaccurate problem of reading appears.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a bulb turned angle measuring mechanism can accurate measurement rotation angle.

According to the utility model discloses bulb turned angle measuring mechanism, including the support arm, still include: the bulb tube assembly comprises a control panel, the bulb tube assembly is connected with the supporting arm through a rotating structure, and the bulb tube assembly is suitable for rotating relative to the supporting arm; the angular displacement sensor is fixed on the bulb tube assembly and comprises a rotor shaft, and the angular displacement sensor is electrically connected with the control panel; the gravity block is connected with the rotor shaft and is suitable for driving the rotor shaft to rotate.

According to the utility model discloses bulb turned angle measuring mechanism has following beneficial effect at least: through setting up angle displacement sensor and gravity piece on the bulb subassembly, the bulb subassembly is at the rotation in-process, and the gravity piece is because self action of gravity keeps vertical downwards, and the gravity piece drives the rotor shaft and rotates for angle displacement sensor promptly to detect the turned angle who reachs the bulb subassembly, this structure has avoided the measuring error that mechanical transmission brought, has guaranteed the accurate nature of angle detection.

According to some embodiments of the utility model, the inside mounting bracket that is equipped with of control panel, angle displacement sensor set up on the mounting bracket, and the rotor shaft wears to establish the mounting bracket and connects the gravity piece.

According to some embodiments of the utility model, the gravity piece is fan-shaped structure, and the rotor shaft is connected in the centre of a circle department of gravity piece.

According to some embodiments of the utility model, still include the connecting piece, the connecting piece is suitable for fixed gravity piece and rotor shaft.

According to some embodiments of the utility model, the connecting piece is the fixed pin, connecting piece and gravity piece fixed connection and butt rotor shaft.

According to some embodiments of the utility model, the connecting piece includes at least two sets ofly, and the connecting piece sets up along rotor shaft week side.

According to some embodiments of the invention, the rotation structure comprises: the fixed disc is connected with the supporting arm and is provided with a magnet sucker; the fixed disk is rotationally connected through the rotation axis to mount pad, one end, and the other end is suitable for connecting the bulb subassembly, and the mount pad is equipped with the electromagnetic lock with magnet sucking disc matched with.

According to the utility model discloses a some embodiments still include the bearing, and the bearing housing is established on the rotation axis and is connected the fixed disk.

According to some embodiments of the utility model, the control panel both sides correspondence is equipped with the handle.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a bulb rotation angle measuring mechanism according to this embodiment;

FIG. 2 is a partial cross-sectional view taken at A in FIG. 1;

FIG. 3 is a front view of the gravity block;

FIG. 4 is a partial cross-sectional view of a rotating structure;

reference numerals: a support arm 100; a bulb assembly 200; a control panel 210; a handle 211; a mounting frame 220; a rotating structure 300; a fixed disk 310; a magnet chuck 311; a mount 320; a rotating shaft 321; an electromagnetic lock 330; an angular displacement sensor 400; a rotor shaft 410; a gravity block 500; the connecting member 600.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "lateral", "longitudinal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

According to the utility model discloses bulb turned angle measuring mechanism, refer to fig. 1, fig. 2, including support arm 100, still include: a ball tube assembly 200 including a control panel 210, the ball tube assembly 200 being connected to the support arm 100 by a swivel structure 300, the ball tube assembly 200 being adapted to rotate relative to the support arm 100 by the swivel structure 300; an angular displacement sensor 400 fixed on the bulb assembly 200, wherein the angular displacement sensor 400 includes a rotor shaft 410, and the angular displacement sensor 400 is electrically connected to the control panel 210, wherein the angular displacement sensor 400 is a commonly-used displacement sensor in the market, and generates a linear output signal through the rotation of the rotor shaft 410, so as to measure a rotation angle; the gravity block 500 is fixedly connected with the rotor shaft 410, the gravity center of the gravity block 500 is arranged below the rotor shaft 410, and the gravity block 500 is suitable for driving the rotor shaft 410 to rotate.

The utility model discloses an in some embodiments, refer to fig. 2, fig. 3, control panel 210 is inside to be equipped with mounting bracket 220, angular displacement sensor 400 sets up on mounting bracket 220, rotor shaft 410 wears to establish mounting bracket 220 and connects gravity piece 500, in this embodiment, mounting bracket 220 is L shape, mounting bracket 220 passes through the fix with screw inside control panel 210, angular displacement sensor 400 passes through the fix with screw in one side of mounting bracket 220, rotor shaft 410 wears to establish that mounting bracket 220 extends to the opposite side and is connected with gravity piece 500. The stable assembly of the angular displacement sensor 400 and the gravity block 500 can be ensured by arranging the mounting frame 220 structure, the disassembly and assembly of each component are convenient, and the compact structure of the control panel 210 is realized.

In some embodiments of the present invention, referring to fig. 2 and 3, the gravity block 500 is a fan-shaped structure, and the rotor shaft 410 is connected to the center of the gravity block 500. The sector structure can effectively reduce the space occupied by the gravity block 500 when rotating, ensure the compact structure inside the control panel 210, and meanwhile, the sector structure also utilizes the characteristic that the gravity center is always downward to ensure the rotation precision of the gravity block 500.

It should be noted that the gravity block of the present invention is not limited to a fan-shaped structure, but may be a polygonal structure with an eccentric center of gravity, such as a triangle or a trapezoid.

In some embodiments of the present invention, referring to fig. 3, the present invention further comprises a connecting member 600, wherein the connecting member 600 is adapted to fix the gravity block 500 and the rotor shaft 410. Through setting up the connecting piece 600 structure, can guarantee the dismantlement of gravity piece 500 and rotor shaft 410 and be connected, be convenient for change maintenance gravity piece 500 and angular displacement sensor 400.

In some embodiments of the present invention, referring to fig. 3, the connecting member 600 is a fixed pin, and the connecting member 600 is fixedly connected with the gravity piece and abuts against the rotor shaft 410. The upper surface of the gravity block 500 is provided with a through hole matched with the fixing pin, the surface of the rotor shaft 410 is provided with a threaded hole matched with the fixing pin, and the fixing pin is arranged in the through hole in a penetrating manner and is fixed with the rotor shaft 410 through threaded connection.

In some embodiments of the present invention, referring to fig. 2 and 3, the connecting member 600 includes at least two sets, and the connecting member 600 is disposed along the periphery of the rotor shaft 410. In this embodiment, the connecting members 600 are provided in two sets, and an included angle between the two sets of connecting members 600 is 90 °. Through setting up multiunit connecting piece 600, can prevent that gravity piece 500 and rotor shaft 410 are not hard up in the motion process, guaranteed angle measurement's precision.

In some embodiments of the present invention, referring to fig. 1 and 4, the rotating structure 300 includes: the fixed disc 310 is fixedly connected with the supporting arm 100 through a screw, the fixed disc 310 is provided with a magnet sucker 311, the surface of the magnet sucker 311 is provided with a through hole, the fixed disc 310 is provided with a convex column matched with the through hole, and the magnet sucker 311 is arranged on the fixed disc 310 through the matching of the through hole and the convex column; one end of the mounting base 320 is rotatably connected with the fixed disk 310 through a rotating shaft 321, the other end of the mounting base is connected with the ball tube assembly 200 through a connecting piece 600 such as a screw and the like, an electromagnetic lock 330 matched with the magnet sucker 311 is arranged on the mounting base 320, and the electromagnetic lock 330 is sleeved on the rotating shaft 321. Through the cooperation of fixed disk 310 and mount pad 320, guarantee the nimble rotation of bulb subassembly 200, set up electromagnetic lock 330 and magnet sucking disc 311 simultaneously, can guarantee bulb subassembly 200 and rotate the accurate locking of in-process, the staff of being convenient for controls the use.

The utility model discloses an in some embodiments, still include the bearing, the bearing housing is established on the rotation axis and is connected the fixed disk. In this embodiment, the bearing is needle bearing, and the bearing includes that two sets of settings respectively are at the both ends of rotation axis, through setting up bearing structure, reduces the friction between rotation axis and the fixed disk, improves rotatory flexibility.

In some embodiments of the present invention, referring to fig. 1, the handles 211 are correspondingly disposed on both sides of the control panel 210. The handle 211 is configured to facilitate rotation of the bulb assembly 200 by a worker, thereby facilitating control of the rotation angle of the bulb assembly 200.

In the description herein, references to the description of "some embodiments" mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a bulb turned angle measuring mechanism, includes the support arm, its characterized in that still includes:

the bulb tube assembly comprises a control panel, the bulb tube assembly is connected with the supporting arm through a rotating structure, and the bulb tube assembly is suitable for rotating relative to the supporting arm;

the angular displacement sensor is fixed on the bulb tube assembly and comprises a rotor shaft, and the angular displacement sensor is electrically connected with the control panel;

and the gravity block is connected with the rotor shaft and is suitable for driving the rotor shaft to rotate.

2. The mechanism of claim 1, wherein a mounting bracket is disposed inside the control panel, the angular displacement sensor is disposed on the mounting bracket, and the rotor shaft penetrates the mounting bracket and is connected to the gravity block.

3. The mechanism of claim 1 or 2, wherein the gravity block is a sector structure, and the rotor shaft is connected to the center of the gravity block.

4. The bulb rotation angle measuring mechanism of claim 1, further comprising a connector adapted to secure the weight block to the rotor shaft.

5. The mechanism of claim 4, wherein the connecting member is a fixing pin, and the connecting member is fixedly connected to the weight block and abuts against the rotor shaft.

6. The mechanism of claim 4, wherein the connecting members comprise at least two groups, and the connecting members are disposed along the periphery of the rotor shaft.

7. The bulb rotation angle measuring mechanism of claim 1, wherein the rotation structure comprises:

the fixed disc is connected with the supporting arm and provided with a magnet sucker;

the mounting seat, one end is rotationally connected through the rotation axis the fixed disk, the other end is suitable for connecting the bulb subassembly, the mounting seat be equipped with magnet sucking disc matched with electromagnetic lock.

8. The mechanism of claim 7, further comprising a bearing disposed on the rotating shaft and connected to the fixed plate.

9. The mechanism of claim 1, wherein handles are provided on two sides of the control panel.