CN218237363U

CN218237363U - Shadowless lamp bearing balance arm horizontal positioning device capable of being quadrupled

Info

Publication number: CN218237363U
Application number: CN202221796038.0U
Authority: CN
Inventors: 王朝晖
Original assignee: Shandong Mingtai Medical Equipment Group Co ltd
Current assignee: Shandong Mingtai Medical Equipment Group Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-01-06
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a but four times bearing balance arm horizontal positioning device of shadowless lamp, which comprises a fixed base, the lower surface central point of fixing base puts to rotate and is connected with first pivot, one side fixedly connected with xarm of first pivot, the inside sliding connection of xarm has the montant, the one end that the xarm was kept away from to the montant rotates and is connected with the balance arm, the one end that the montant was kept away from to the balance arm rotates and is connected with big curved boom, the one end that the balance arm was kept away from to big curved boom rotates and is connected with little curved boom, the one end that big curved boom was kept away from to little curved boom rotates and is connected with the lamp holder, the central point of lamp holder puts the aseptic handle of fixedly connected with that runs through. The utility model discloses a design xarm structure makes the balance arm can be at horizontal position parallel translation, greatly increased the flexibility of shadowless lamp, make the user facilitate the use more, to balance arm redesign simultaneously, make it can quadruple bearing, greatly increased its application range and security.

Description

Shadowless lamp bearing balance arm horizontal positioning device capable of being quadrupled

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a but four bearing balance arm horizontal positioning device of shadowless lamp.

Background

The shadowless lamp is a common illumination means in modern medicine, has the advantages of no dead angle and shadow of an irradiation position structure and uniform brightness, is convenient for doctors to carry out operations, and is usually arranged on a ceiling through a balance arm, so that the traditional shadowless lamp achieves the sterile effect.

However, the existing balance arm usually moves horizontally by depending on a rotating shaft and a cross arm with a fixed length, which has a great defect in moving flexibility, and meanwhile, the existing balance rod for supporting the shadowless lamp is usually slender and cannot support too large weight, which easily causes the risk that the shadowless lamp falls off.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the existing balance arm is small in supporting weight and not flexible enough in horizontal movement.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a but four times bearing balance arm horizontal positioning device of shadowless lamp, which comprises a fixed base, the lower surface central point of fixing base puts to rotate and is connected with first pivot, one side fixedly connected with xarm of first pivot, the inside sliding connection of xarm has the montant, the one end that the xarm was kept away from to the montant rotates and is connected with the balance arm, the one end that the montant was kept away from to the balance arm rotates and is connected with big curved boom, the one end that the balance arm was kept away from to big curved boom rotates and is connected with little curved boom, the one end that big curved boom was kept away from to little curved boom rotates and is connected with the lamp holder, the central point of lamp holder puts and runs through fixedly connected with aseptic handle.

Through the technical scheme, the shadowless lamp can be well moved to the preset position.

The utility model is further arranged in that the balance arm comprises a second rotating shaft, the second rotating shaft is rotationally connected with an upper arm, one end of the upper arm, which is far away from the second rotating shaft, is rotationally connected with a third rotating shaft, both ends of the upper arm are rotationally connected with first fixing columns, the side edges of both ends of the upper arm are symmetrically provided with first round holes, and a plurality of first fixing columns are rotationally connected with the first round holes;

the second pivot is rotated and is connected with the underarm, the underarm is kept away from the one end of second pivot and is rotated and be connected with the third pivot, the underarm both ends all rotate and are connected with the second fixed column, the second round hole has all been seted up to the equal symmetry in side at underarm both ends, and is a plurality of the second fixed column all rotates with the second round hole to be connected.

Through above-mentioned technical scheme, can make the balance arm drive shadowless lamp and remove in vertical direction, make the balance arm more firm simultaneously.

The utility model discloses further set up to, the one end fixedly connected with protecgulum of first pivot is kept away from to the xarm, the upper portion position rotation that the protecgulum is close to xarm one end surface is connected with the lead screw, the protecgulum is close to the lower part position fixedly connected with guide rod on xarm one end surface, fixedly connected with motor in the first pivot, protecgulum one end and motor output fixed connection are kept away from to the lead screw, guide rod keeps away from protecgulum one end and first pivot fixed connection, the montant upper end is seted up threaded hole, the montant is close to screw hole one end and has been seted up the through-hole.

Through the technical scheme, the vertical rod can move along the cross arm, the circumference around the rotating shaft is changed, and the shadowless lamp is more flexible.

The utility model discloses further set up to, one side inner wall of upper arm has seted up flutedly, sliding connection has the slider in the recess, the slider is kept away from the one end surface rotation of recess and is connected with the air spring, the air spring is kept away from slider one end and is rotated and connect the fourth pivot, air spring one end and underarm fixed connection are kept away from in the fourth pivot.

Through the technical scheme, the balance arm can counteract the gravity of the shadowless lamp under the action of the gas spring, so that the shadowless lamp can be fixed at a position preset by a user.

The utility model discloses further set up to, the lead screw rotates and runs through the montant and cooperates with screw hole intermeshing, the guide pole slides and runs through the montant and with the mutual sliding fit of through-hole.

The utility model discloses further set up to, the spout has been seted up to the xarm lower surface, spout and the mutual sliding fit of montant.

The utility model discloses further set up as, upper arm internal surface width is greater than the underarm external surface width.

Through the technical scheme, the upper arm and the lower arm can be prevented from interfering in movement, and the balance arm can be moved more flexibly.

The utility model has the advantages as follows:

1. the utility model has the advantages that the motor is fixed in the first rotating shaft, the motor drives the lead screw to rotate, the lead screw is matched with the vertical rod, the vertical rod moves along the guide rod under the limit of the guide rod, and the length of the transverse arm can be changed, so that the moving flexibility of the shadowless lamp is greatly improved;

2. the utility model discloses an installation air spring, slider and recess in the balancing pole, the arm rotates respectively about letting and connects second, third pivot, makes upper and lower arm and second third pivot form parallelogram link structure, makes the weight that the shadowless lamp can be overcome to the balancing arm through the support of air spring simultaneously form zero gravity pole, makes things convenient for the location of shadowless lamp, and bearing capacity promotes to original four simultaneously.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a three-dimensional structure diagram of the upper and lower arms of the balance arm of the present invention;

FIG. 3 is an internal structure view of the balance arm of the present invention;

FIG. 4 is an internal structure view of the cross arm of the rotating shaft of the present invention;

FIG. 5 is a three-dimensional structure view of the rotary cross arm and the front cover of the present invention;

fig. 6 is a three-dimensional structure diagram of the vertical rod of the present invention.

In the figure: 1. a fixed seat; 2. a first rotating shaft; 3. a cross arm; 4. a vertical rod; 5. a balance arm; 501. an upper arm; 502. a first circular hole; 503. a second circular hole; 504. a lower arm; 505. a second rotating shaft; 506. a first fixed column; 507. a third rotating shaft; 508. a second fixed column; 509. a fourth rotating shaft; 510. a gas spring; 511. a groove; 512. a slider; 6. a large curved arm; 7. a small curved arm; 8. a lamp cap; 9. sterile stalks; 10. a guide rod; 11. a motor; 12. a screw rod; 13. a front cover; 14. a threaded hole; 15. a through hole; 16. a chute.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1, a horizontal positioning device for a quadruple bearing balance arm of a shadowless lamp comprises a fixed seat 1, a first rotating shaft 2 is rotatably connected to the central position of the lower surface of the fixed seat 1, a cross arm 3 is fixedly connected to one side of the first rotating shaft 2, a vertical rod 4 is slidably connected to the inside of the cross arm 3, one end, away from the cross arm 3, of the vertical rod 4 is rotatably connected to the balance arm 5, one end, away from the vertical rod 4, of the balance arm 5 is rotatably connected to a large bent arm 6, one end, away from the balance arm 5, of the large bent arm 6 is rotatably connected to a small bent arm 7, one end, away from the large bent arm 6, of the small bent arm 7 is rotatably connected to a lamp holder 8, and a sterile handle 9 is fixedly connected to the central position of the lamp holder 8.

As shown in fig. 2 and fig. 3, the balance arm 5 includes a second rotating shaft 505, the second rotating shaft 505 is rotatably connected with an upper arm 501, one end of the upper arm 501 far away from the second rotating shaft 505 is rotatably connected with a third rotating shaft 507, both ends of the upper arm 501 are rotatably connected with first fixing posts 506, both side edges of both ends of the upper arm 501 are symmetrically provided with first round holes 502, and a plurality of first fixing posts 506 are rotatably connected with the first round holes 502;

second pivot 505 rotates and is connected with lower arm 504, the one end that second pivot 505 was kept away from to lower arm 504 rotates and is connected with third pivot 507, lower arm 504 both ends all rotate and are connected with second fixed column 508, second round hole 503 has all been seted up to the equal symmetry in side at lower arm 504 both ends, a plurality of second fixed columns 508 all rotate with second round hole 503 and are connected, recess 511 has been seted up to one side inner wall of upper arm 501, sliding connection has slider 512 in the recess 511, the one end surface that recess 511 was kept away from to slider 512 rotates and is connected with air spring 510, the one end rotation of slider 512 is kept away from to air spring 510 is connected fourth pivot 509, air spring 510 one end and lower arm 504 fixed connection are kept away from to fourth pivot 509.

As shown in fig. 5 and 6, one end of the cross arm 3 far away from the first rotating shaft 2 is fixedly connected with a front cover 13, the upper position of the front cover 13 close to one end surface of the cross arm 3 is rotatably connected with a lead screw 12, the lower position of the front cover 13 close to one end surface of the cross arm 3 is fixedly connected with a guide rod 10, the first rotating shaft 2 is internally fixedly connected with a motor 11, one end of the lead screw 12 far away from the front cover 13 is fixedly connected with the output end of the motor 11, one end of the guide rod 10 far away from the front cover 13 is fixedly connected with the first rotating shaft 2, the upper end of the vertical rod 4 is provided with a threaded hole 14, one end of the vertical rod 4 close to the threaded hole 14 is provided with a through hole 15, the lead screw 12 is rotatably penetrated through the vertical rod 4 and is engaged with the threaded hole 14, the guide rod 10 is slidably penetrated through the vertical rod 4 and is slidably engaged with the through hole 15, the lower surface of the cross arm 3 is provided with a sliding groove 16, and the sliding groove 16 is slidably engaged with the vertical rod 4.

The utility model discloses when using, third pivot 507 drives balance arm 5 and rotates along second pivot 505 under shadowless lamp holder 8's weight, because first fixed column 506 and second fixed column 508 spacing down, upper arm 501 and underarm 504 parallel rotation, consequently slider 512 removes along recess 511, extrude air spring 510, air spring 510 supports upper arm 501, prevent to rotate, the holding power when air spring 510, same with shadowless lamp gravity, the balancing pole is zero gravity state, the user can hold aseptic handle 9 and make lamp holder 8 remove at will this moment, when needs xarm 3 rotates, can starter motor 11, it rotates to drive lead screw 12, lead screw 12 drives montant 4 through screw hole 14 and removes along the guide bar, alright the horizontal rotation week length along first pivot 2 in order to change balance arm 5.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. The utility model provides a but shadowless lamp quadruple bearing balance arm horizontal positioning device, includes fixing base (1), its characterized in that: the lower surface central point of fixing base (1) puts to rotate and is connected with first pivot (2), one side fixedly connected with xarm (3) of first pivot (2), the inside sliding connection of xarm (3) has montant (4), the one end that xarm (3) were kept away from in montant (4) rotates and is connected with balance arm (5), the one end that montant (4) were kept away from in balance arm (5) rotates and is connected with big curved boom (6), the one end that balance arm (5) were kept away from in big curved boom (6) rotates and is connected with little curved boom (7), the one end that big curved boom (6) were kept away from in little curved boom (7) rotates and is connected with lamp holder (8), the central point of lamp holder (8) puts through fixedly connected with aseptic handle (9).

2. The apparatus of claim 1, wherein the four-fold horizontal positioning of the load-bearing balance arm of the shadowless lamp is as follows: the balance arm (5) comprises a second rotating shaft (505), the second rotating shaft (505) is rotatably connected with an upper arm (501), one end, far away from the second rotating shaft (505), of the upper arm (501) is rotatably connected with a third rotating shaft (507), two ends of the upper arm (501) are rotatably connected with first fixing columns (506), the side edges of two ends of the upper arm (501) are symmetrically provided with first round holes (502), and the first fixing columns (506) are rotatably connected with the first round holes (502);

the second rotating shaft (505) is rotatably connected with a lower arm (504), one end, far away from the second rotating shaft (505), of the lower arm (504) is rotatably connected with a third rotating shaft (507), two ends of the lower arm (504) are rotatably connected with second fixing columns (508), second round holes (503) are symmetrically formed in side edges of two ends of the lower arm (504), and the second fixing columns (508) are rotatably connected with the second round holes (503).

3. The apparatus of claim 1, wherein the four-fold horizontal positioning of the load-bearing balance arm of the shadowless lamp is as follows: one end fixedly connected with protecgulum (13) of first pivot (2) are kept away from in xarm (3), the upper portion position that protecgulum (13) are close to xarm (3) one end surface rotates and is connected with lead screw (12), lower part position fixedly connected with guide pole (10) that protecgulum (13) are close to xarm (3) one end surface, fixedly connected with motor (11) in first pivot (2), protecgulum (13) one end and motor (11) output fixed connection are kept away from in lead screw (12), protecgulum (13) one end and first pivot (2) fixed connection are kept away from in guide pole (10), threaded hole (14) have been seted up to montant (4) upper end, through-hole (15) have been seted up to montant (4) one end near threaded hole (14).

4. The device of claim 2, wherein the four-times weight-bearing balance arm horizontal positioning device comprises: recess (511) have been seted up to one side inner wall of upper arm (501), sliding connection has slider (512) in recess (511), the one end surface that recess (511) were kept away from in slider (512) rotates and is connected with air spring (510), slider (512) one end rotation connection fourth pivot (509) is kept away from in air spring (510), air spring (510) one end and underarm (504) fixed connection are kept away from in fourth pivot (509).

5. The device of claim 3, wherein the four-fold horizontal positioning of the load-bearing balance arm of the shadowless lamp is as follows: the lead screw (12) rotates to penetrate through the vertical rod (4) and is meshed with the threaded hole (14) in a matched mode, and the guide rod (10) slides to penetrate through the vertical rod (4) and is in sliding fit with the through hole (15) in a matched mode.

6. The apparatus of claim 1, wherein the four-fold horizontal positioning of the load-bearing balance arm of the shadowless lamp is as follows: the lower surface of the cross arm (3) is provided with a sliding groove (16), and the sliding groove (16) is in sliding fit with the vertical rod (4).

7. The device of claim 2, wherein the four-times weight-bearing balance arm horizontal positioning device comprises: the width of the inner surface of the upper arm (501) is larger than that of the outer surface of the lower arm (504).