Helical gear lifting driving mechanism of chest protection plate lifting shaft

Abstract

The utility model discloses a chest protection plate lifting shaft bevel gear lifting driving mechanism which comprises a lifting shaft positioning sleeve, a lifting shaft chaining head is connected to the inner side of the lifting shaft positioning sleeve in a sliding mode, and a lifting shaft directional screw is connected to the other side of the interior of the lifting shaft positioning sleeve in a threaded mode. The lower end of the interior of the lifting shaft positioning sleeve is rotationally connected with a connecting shaft, the chest protection plate assembly mainly structurally comprises a lifting shaft and a chest protection plate, the lower end of the lifting shaft is connected with a sickbed through a fixing clamp, the upper end of the lifting shaft is provided with an adjusting rod fixing shaft, an adjusting rod and the chest protection plate, and the adjusting rod fixing shaft is fixed to the upper end of the lifting shaft and can be rotationally adjusted by 360 degrees; the adjusting rod can be adjusted front and back, the adjusting stroke is 180 mm, and the lifting adjustable chest protection plate can be adjusted up and down, left and right and front and back according to operation requirements in the laryngoscope operation so as to meet the operation requirements.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical devices, and particularly relates to a chest guard lifting shaft helical gear lifting driving mechanism. BACKGROUND

[0002] With the development of medical technology, minimally invasive surgical operations using laryngoscope technology are increasingly used in China, and are important auxiliary instruments in laryngoscope operations, which can effectively fix laryngoscopes, protect patients and improve operation efficiency.

[0003] The existing part of the chest guard lifting shaft helical gear lifting driving mechanism has the defects of low adjustment efficiency and laboriousness in the up-down adjustment of the telescopic shaft during use, and is relatively inconvenient. UTILITY MODEL CONTENTS

[0004] The utility model wants to solve the technical problem of overcoming the existing defects, and provides a chest guard lifting shaft helical gear lifting driving mechanism to solve the problems of low adjustment efficiency and laboriousness in the up-down adjustment of the telescopic shaft during use of the existing part of the chest guard lifting shaft helical gear lifting driving mechanism in the background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a chest guard lifting shaft helical gear lifting driving mechanism, including lifting shaft positioning sleeve, lifting shaft connecting head is connected with the inside slide of lifting shaft positioning sleeve, the other side screw thread connection of lifting shaft positioning sleeve inside has lifting shaft directional screw, the lower end of the inside of lifting shaft positioning sleeve is rotatably connected with a connecting shaft, the connecting shaft is fixedly connected with a gear shaft fixed sleeve joint on the upper end, the gear shaft fixed sleeve joint top is clamped and connected with gear shaft fixed sleeve, the gear shaft fixed sleeve is located inside the gear box, the inside transmission of gear box is connected with a helical gear, the helical gear is fixedly connected with a connecting screw gear shaft, the connecting screw gear shaft top is fixedly connected with lifting shaft, the lifting shaft top is fixedly connected with screw rod, the screw rod top is screw connected with lifting shaft positioning sleeve, the outside of gear box one end is provided with rocking arm, the rocking arm one side is rotatably connected with rotating sleeve, the rocking arm other side is fixedly connected with rocking handle pad, the gear box other side is fixedly connected with gear box front end cover, the inside of gear box front end cover is provided with gear shaft, the gear shaft is rotatably connected through third bearing and fourth bearing respectively, the other end of gear shaft is provided with gear box rear end cover.

[0006] Preferably, the lifting shaft connecting head is fixedly connected with the lifting shaft positioning sleeve through the lifting shaft directional screw.

[0007] Preferably, the gear shaft fixed sleeve is rotatably connected with the lifting shaft positioning sleeve through the second bearing.

[0008] Preferably, the gear shaft fixing sleeve is in transmission connection with the helical gear.

[0009] Preferably, the gear box is fixedly connected with the lifting shaft positioning sleeve through a gear box fixing block.

[0010] Preferably, the connecting screw gear shaft is rotatably connected with the lifting shaft positioning sleeve through a first bearing.

[0011] Preferably, a bearing baffle is arranged between the lifting shaft and the first bearing.

[0012] Preferably, the rocking arm is fixedly connected with the gear box through a first screw, the specification of the first screw is M5X10, and a gasket is arranged between the first screw and the rocking arm.

[0013] Compared with the prior art, the helical gear lifting driving mechanism for the chest guard lifting shaft has the following beneficial effects:

[0014] 1、 the helical gear lifting driving mechanism for the chest guard lifting shaft is provided, during laryngoscope surgery, the chest guard assembly is used, the chest guard assembly plays a supporting role for the laryngoscope, the chest guard assembly structure mainly comprises a lifting shaft and a chest guard, the lower end of the lifting shaft is connected with a hospital bed through a fixing clamp, the upper end of the lifting shaft is provided with an adjusting rod fixing shaft, an adjusting rod and the chest guard, the adjusting rod fixing shaft is fixed at the upper end of the lifting shaft and can be adjusted at 360 degrees, the adjusting rod can be adjusted forward and backward, the adjusting stroke is 180 mm, and the lifting adjustable chest guard can be adjusted up and down, left and right and forward and backward according to the operation requirement during laryngoscope surgery, so as to adapt to the operation requirement.

[0015] The parts not involved in the device are the same as or can be realized by the prior art, the structure of the helical gear lifting driving mechanism for the chest guard lifting shaft is scientific and reasonable, safe and convenient to use, and great help is provided for people. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings are used to provide further understanding of the helical gear lifting driving mechanism for the chest guard lifting shaft, constitute a part of the specification, are used together with the embodiments of the helical gear lifting driving mechanism for the chest guard lifting shaft to explain the helical gear lifting driving mechanism for the chest guard lifting shaft, and do not constitute a limitation on the helical gear lifting driving mechanism for the chest guard lifting shaft, in the drawings:

[0017] Fig. 1 is a front view structural schematic view of the helical gear lifting driving mechanism for the chest guard lifting shaft;

[0018] Fig. 2 is a top view structural schematic view of the helical gear lifting driving mechanism for the chest guard lifting shaft;

[0019] In the figure: lifting shaft link head 1, lifting shaft orientation screw 2, lifting shaft positioning sleeve 3, screw rod 4, lifting shaft 5, nut 6, bearing check ring 7, first bearing 8, connecting screw gear shaft 9, gear box fixing block 10, helical gear 11, gear box 12, second bearing 13, gear shaft fixing sleeve 14, gear shaft fixing sleeve joint 15, connecting shaft 16, rotating sleeve 17, rocking arm 18, first screw 19, gasket 20, rocking handle gasket 21, gear box front end cover 22, third bearing 23, gear shaft 24, fourth bearing 25, gear box rear end cover 26. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figs. 1-2 The utility model provides a kind of technical scheme: a kind of chest guard lifting shaft helical gear lifting drive mechanism, including lifting shaft positioning sleeve 3, it is characterized by: lifting shaft positioning sleeve 3 inside slide connection has lifting shaft link head 1, lifting shaft positioning sleeve 3 inside another side screw connection has lifting shaft orientation screw 2, the lower end of rotating connection in the inside of lifting shaft positioning sleeve 3 has connecting shaft 16, connecting shaft 16 upper end fixed connection has gear shaft fixing sleeve joint 15, gear shaft fixing sleeve joint 15 top and be connected with gear shaft fixing sleeve 14, gear shaft fixing sleeve 14 is located inside gear box 12, gear box 12 inside transmission connection has helical gear 11, helical gear 11 fixed connection has connecting screw gear shaft 9, connecting screw gear shaft 9 top fixed connection has lifting shaft 5, lifting shaft 5 top fixed connection has screw rod 4, screw rod 4 top screw connection has lifting shaft positioning sleeve 3, the outside of one end of gear box 12 is provided with rocking arm 18, rocking arm 18 one side rotating connection has rotating sleeve 17, rocking arm 18 other side fixed connection has rocking handle gasket 21, gear box 12 other side fixed connection has gear box front end cover 22, gear box front end cover 22 inside is provided with gear shaft 24, gear shaft 24 is rotated connection by third bearing 23 and fourth bearing 25 respectively, gear shaft 24 other end is provided with gear box rear end cover 26, chest guard assembly structure mainly includes lifting shaft and chest guard, the lower end of lifting shaft is connected with sickbed with fixed card, the upper end of lifting shaft has adjusting rod fixed shaft, adjusting rod and chest guard, adjusting rod fixed shaft is fixed in the upper end of lifting shaft, can be 360 degrees rotation adjustment, adjusting rod can be adjusted forward and backward, adjusting stroke 180mm, lifting adjustable chest guard can be adjusted up and down, left and right, front and back according to the operation needs during laryngoscope operation, to adapt to the operation requirement.

[0022] Preferably, the lifting shaft connecting head 1 is fixedly connected with the lifting shaft positioning sleeve 3 through the lifting shaft directional screw 2.

[0023] Preferably, the gear shaft fixing sleeve 14 is rotatably connected with the lifting shaft positioning sleeve 3 through the second bearing 13.

[0024] Preferably, the gear shaft fixing sleeve 14 is in transmission connection with the bevel gear 11.

[0025] Preferably, the gear box 12 is fixedly connected with the lifting shaft positioning sleeve 3 through the gear box fixing block 10.

[0026] Preferably, the connecting screw gear shaft 9 is rotatably connected with the lifting shaft positioning sleeve 3 through the first bearing 8.

[0027] Preferably, the bearing baffle 7 is arranged between the lifting shaft 5 and the first bearing 8.

[0028] Preferably, the rocking arm 18 is fixedly connected with the gear box 12 through the first screw 19, the specification of the first screw 19 is M5X10, and the gasket 20 is arranged between the first screw 19 and the rocking arm 18.

[0029] The utility model discloses a working principle and use flow: when using, the inside slide connection of lifting axle positioning sleeve 3 links head 1 to fixed connection through lifting axle directional screw 2, realizes the positioning and adjustment of lifting axle 5, and the top of lifting axle 5 is connected screw rod 4, and screw rod 4 is screwed lifting axle positioning sleeve 3, drives lifting axle 5 to move up and down through rotating screw rod 4, realizes the adjustment of the height of breastplate, and connecting axle 16 is fixedly connected with gear shaft fixed sleeve joint 15, and gear shaft fixed sleeve joint 15 top card and connect gear shaft fixed sleeve 14, and gear shaft fixed sleeve 14 is located inside gear box 12, and the inside transmission connection of gear box 12 bevel gear 11, and bevel gear 11 is fixedly connected connecting screw gear shaft 9, and connecting screw gear shaft 9 top fixedly connected lifting axle 5, when swinging arm 18 rotates through rotating sleeve 17, drives bevel gear 11 inside gear box 12 to rotate, and bevel gear 11 drives connecting screw gear shaft 9 to rotate in turn, and then drives lifting axle 5 to move up and down, realizes the adjustment of the height of breastplate, and first bearing 8, second bearing 13, third bearing 23 and fourth bearing 25 are used for connecting and fixing each component respectively, and the stability and rotating flexibility of assembly are ensured, and bearing baffle 7 is used for fixing first bearing 8, prevents its axial movement, and swinging arm 18 is fixedly connected with gear box 12 through first screw 19, and realizes clearance adjustment through gasket 20, and the rotating flexibility of swinging arm 18 is ensured, and operating personnel drive swinging arm 18 to rotate through rotating swing handle pad 21 in turn, and then drive whole transmission mechanism, realize the adjustment of the height of breastplate.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A breastplate lifting axle bevel gear lifting drive mechanism comprising a lifting axle positioning sleeve (3), characterized in that: The lifting shaft positioning sleeve (3) is slidably connected with a lifting shaft link head (1), the lifting shaft positioning sleeve (3) is threadedly connected with a lifting shaft directional screw (2) on the other side, a connecting shaft (16) is rotatably connected to the lower end of the lifting shaft positioning sleeve (3), a gear shaft fixing sleeve joint (15) is fixedly connected to the upper end of the connecting shaft (16), a gear shaft fixing sleeve (14) is clamped and connected to the top of the gear shaft fixing sleeve joint (15), the gear shaft fixing sleeve (14) is located in the inside of a gear box (12), a helical gear (11) is drivingly connected in the inside of the gear box (12), a connecting screw gear shaft (9) is fixedly connected to the helical gear (11), a lifting shaft (5) is fixedly connected to the top of the connecting screw gear shaft (9), a screw rod (4) is fixedly connected to the top of the lifting shaft (5), a lifting shaft positioning sleeve (3) is threadedly connected to the top of the screw rod (4), a rocking arm (18) is arranged on the outside of one end of the gear box (12), a rotating sleeve (17) is rotatably connected to one side of the rocking arm (18), a rocking handle pad (21) is fixedly connected to the other side of the rocking arm (18), a gear box front end cover (22) is fixedly connected to the other side of the gear box (12), a gear shaft (24) is arranged in the inside of the gear box front end cover (22), the gear shaft (24) is rotatably connected through a third bearing (23) and a fourth bearing (25) respectively, a gear box rear end cover (26) is arranged at the other end of the gear shaft (24).

2. A chest protector lifting shaft helical gear lifting drive mechanism according to claim 1, characterized in that: The lifting shaft link head (1) is fixedly connected with the lifting shaft positioning sleeve (3) through the lifting shaft directional screw (2).

3. A chest protector lifting axle helical gear lifting drive mechanism according to claim 1, characterized in that: The gear shaft fixing sleeve (14) is rotatably connected with the lifting shaft positioning sleeve (3) through the second bearing (13).

4. A chest protector lifting axle helical gear lifting drive mechanism according to claim 1, characterized in that: The gear shaft fixing sleeve (14) is drivingly connected with the helical gear (11).

5. A chest protector lifting axle helical gear lifting drive mechanism according to claim 1, characterized in that: The gear box (12) is fixedly connected with the lifting shaft positioning sleeve (3) through the gear box fixing block (10).

6. A chest protector lifting axle helical gear lifting drive mechanism according to claim 1, characterized in that: The connecting screw gear shaft (9) is rotatably connected with the lifting shaft positioning sleeve (3) through the first bearing (8).

7. A chest protector lifting axle helical gear lifting drive mechanism according to claim 1, characterized in that: The bearing retainer (7) is arranged between the lifting shaft (5) and the first bearing (8).

8. A chest protector lifting axle helical gear lifting drive mechanism according to claim 1, characterized in that: The rocking arm (18) is fixedly connected with the gear box (12) through the first screw (19), the specification of the first screw (19) is M5X10, the gasket (20) is arranged between the first screw (19) and the rocking arm (18).

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