CN111973206A

CN111973206A - Bulb locking mechanism and bulb elevating gear

Info

Publication number: CN111973206A
Application number: CN202010840774.0A
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: 2020-11-24

Abstract

The invention discloses a bulb tube locking mechanism, which comprises: the mounting frame is provided with a roller shaft and a guide post, and the guide post is arranged in parallel with the roller shaft; the roller is rotatably arranged on the roller shaft; the magnet sucker is fixed on the side surface of the roller; the electromagnet assembly is movably mounted on the guide post and is suitable for moving along the guide post and abutting against the magnet sucker in an electrified state. The invention also provides a bulb tube lifting device. According to the bulb tube locking mechanism, the magnet sucker is arranged on the side face of the roller, and the electromagnet is electrified to generate magnetic force, so that the electromagnet moves along the guide column and is attracted to the magnet sucker, the roller is fixed, the bulb tube locking mechanism has the advantages of being simple and convenient to operate and the like, and the accuracy of locking and positioning is greatly improved.

Description

Bulb locking mechanism and bulb elevating gear

Technical Field

The invention relates to the technical field of medical instruments, in particular to a bulb tube locking mechanism and a bulb tube lifting device.

Background

The steel wire rope lifting device for the medical X-ray bulb tube adopted in the lifting process generally utilizes one end of a steel wire rope to be connected with the bulb tube assembly, and the other end of the steel wire rope bypasses a roller to be connected with a balancing weight, so that the stable lifting of the control bulb assembly is realized. Elevating gear is in the use, the lift of ball pipe subassembly is adjusted through exogenic forces such as manpower usually makes the ball pipe subassembly remove appointed height, thereby reach the effect of locking through the rotation of locking structure or limit switch prevention gyro wheel, and at the in-process of the fixed locking of reality, limit switch has complex operation, open and stop difficult scheduling problem, lead to the locking location inaccuracy, and traditional electro-magnet locking structure then has that the noise is too big, the locking location is not accurate, the position is not convenient for shortcoming such as adjust.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a bulb locking mechanism in a first aspect, and provides a bulb lifting device in a second aspect, which can realize quick locking.

A bulb locking mechanism according to an embodiment of a first aspect of the present invention includes: the mounting frame is provided with a roller shaft and a guide post, and the guide post and the roller shaft are arranged in parallel; the roller is rotatably arranged on the roller shaft; the magnet sucker is fixed on the side surface of the roller; the electromagnet assembly is movably mounted on the guide post and is suitable for moving along the guide post and abutting against the magnet sucker in the electrified state.

The bulb tube locking mechanism provided by the embodiment of the invention at least has the following beneficial effects: set up the magnet sucking disc through the side at the gyro wheel, utilize the principle that the electro-magnet circular telegram produced magnetic force, make the electro-magnet along the guide post motion and adsorb on the magnet sucking disc to reach the effect fixed with the gyro wheel, have advantages such as easy operation convenience, improved the accuracy of locking location greatly.

According to some embodiments of the invention, an electromagnet assembly comprises: the electromagnet mounting plate is provided with a mounting hole matched with the guide post, and the electromagnet mounting plate is sleeved on the guide post through the mounting hole; the electromagnet is fixed on the electromagnet mounting plate and arranged between the electromagnet mounting plate and the magnet sucker.

According to some embodiments of the invention, the magnetic chuck further comprises an elastic member, one end of the elastic member is connected with the mounting frame, the other end of the elastic member is connected with the electromagnet assembly, and the elastic member is suitable for driving the electromagnet assembly to be separated from the magnetic chuck.

According to some embodiments of the invention, the electromagnetic device further comprises a screw rod, the screw rod is arranged in parallel with the guide post, the electromagnet mounting plate is provided with a through hole matched with the screw rod, one end of the screw rod is connected with the mounting frame, the other end of the screw rod penetrates through the through hole and is provided with a nut, and the elastic piece is suitable for driving the electromagnet mounting plate to abut against the nut.

According to some embodiments of the invention, the resilient member is a compression spring.

According to some embodiments of the invention, a bearing is disposed between the roller and the roller shaft, and a sleeve is disposed at an end of the roller shaft and abuts against a side wall of the bearing.

According to some embodiments of the invention, the magnet chuck and the roller are provided with corresponding threaded holes, and screws are arranged in the threaded holes and used for fixedly connecting the magnet chuck and the roller.

The bulb tube lifting device comprises any one of the bulb tube locking mechanisms, and further comprises an upright post, wherein the upright post is suitable for arranging the bulb tube locking mechanism, the upright post is provided with a sliding part and a balancing weight, the sliding part and the balancing weight are suitable for doing vertical motion along the upright post, and the sliding part is suitable for installing an X-ray bulb tube; one end of the pull rope is connected with the sliding piece, and the other end of the pull rope is wound on the roller and is connected with the balancing weight.

The bulb tube lifting device provided by the embodiment of the invention at least has the following beneficial effects: through set up bulb locking mechanism on bulb elevating gear, when the slider drove X ray bulb and is the elevating movement, only need control the electro-magnet circular telegram, make electro-magnet and magnet sucking disc adsorb, can control the fixed of gyro wheel to realize the motion locking of X ray bulb, need not with the help of external force fixed locking such as manpower, have the high-efficient stable, easy operation's of locking advantage.

According to some embodiments of the invention, the surface of the roller is provided with a wire guiding groove matched with the pulling rope, and the wire guiding groove is in a V-shaped structure.

According to some embodiments of the invention, the pull cord is a steel cord.

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 locking mechanism according to the present embodiment;

FIG. 2 is a front cross-sectional view of the bulb locking mechanism of the present embodiment;

FIG. 3 is a top view of the bulb locking mechanism of the present embodiment;

FIG. 4 is a schematic structural diagram of the bulb lifting device according to the present embodiment;

reference numerals: a mounting block 100; a roller shaft 110; a guide post 120; a bearing 130; a shaft sleeve 140; a roller 200; a wire groove 210; a magnet chuck 300; an electromagnet assembly 400; an electromagnet mounting plate 410; an electromagnet 420; an elastic member 430; a screw 440; a nut 450; a screw 500; a column 600; a slider 610; a counterweight 620; a pull cord 700.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to 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, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A bulb locking mechanism according to an embodiment of a first aspect of the present invention, with reference to fig. 1, 2, 3, includes: the mounting frame 100 is provided with a roller shaft 110 and guide columns 120, the guide columns 120 are arranged in parallel with the roller shaft 110, the mounting frame 100 comprises a bottom plate and two groups of vertical plates which are arranged in parallel, the vertical plates are perpendicular to the bottom plate and are fixedly connected with the bottom plate through structures such as screws 500 and washers, two ends of the roller shaft 110 are fixedly connected with the two bottom plates through structures such as screws 500, gaskets and shaft end covers, the guide columns 120 are fixedly connected on the vertical plate on the left side through threads, the vertical plates are rectangular, and the guide columns 120 are provided with four groups and are respectively arranged on four corners of the vertical plates; a roller 200 rotatably disposed on the roller shaft 110 through a bearing 130; the magnet sucker 300 is fixed on the side surface of the roller 200, the magnet sucker 300 is circular, threaded holes are formed in the left side surfaces of the magnet sucker 300 and the roller 200, and the magnet sucker 300 is fixed on the left side surface of the roller 200 through a screw 500; the electromagnet assembly 400 is movably mounted on the guide post 120, the electromagnet assembly 400 is arranged on the left side of the magnet sucker 300, the electromagnet assembly 400 generates magnetic force in the power-on state, and moves rightwards along the guide post 120 under the driving of the magnetic force and abuts against the magnet sucker 300.

The bulb locking mechanism provided by the invention at least has the following beneficial effects: set up the magnet sucking disc through the side at the gyro wheel, utilize the principle that the electro-magnet circular telegram produced magnetic force, make the electro-magnet along the guide post motion and adsorb on the magnet sucking disc to reach the effect fixed with the gyro wheel, have advantages such as easy operation convenience, improved the accuracy of locking location greatly.

In some embodiments of the present invention, referring to fig. 1, 2, and 3, an electromagnet assembly 400 comprises: the electromagnet mounting plate 410 is provided with mounting holes matched with the guide posts 120, and the electromagnet mounting plate 410 is sleeved on the guide posts 120 through the mounting holes, wherein the electromagnet mounting plate 410 is rectangular, and the number of the mounting holes is four groups which is consistent with that of the guide posts 120; electromagnet 420, through the structural fixation of screw 500 on electromagnet mounting panel 410, electromagnet 420 sets up between electromagnet mounting panel 410 and magnet sucking disc 300, and electromagnet 420 is the cylinder type, and in this embodiment, electromagnet 420 is two sets of around being equipped with, and electromagnet mounting panel 410 sets up the left side at the riser of mounting bracket 100, and the riser is equipped with the through-hole, and electromagnet 420 right-hand member passes the through-hole of riser and presses close to magnet sucking disc 300. Through setting up electro-magnet mounting panel 410 structure, can make things convenient for the assembly of electro-magnet subassembly 400, increase or reduce the quantity of electro-magnet 420 through past electro-magnet mounting panel 410 simultaneously to can mediate the demand to electro-magnet 420 locking effect according to in-service use.

In some embodiments of the present invention, referring to fig. 1 and 2, the present invention further includes an elastic member 430, the elastic member 430 is disposed on the guide post 120, one end of the elastic member 430 is connected to the mounting bracket 100, and the other end of the elastic member 430 is connected to the electromagnet mounting plate 410, and the elastic member 430 is adapted to drive the electromagnet assembly 400 to separate from the magnet chuck 300. It should be noted that the connection of the elastic member 430 may be a fixed connection or a separable contact connection. The electromagnet 420 and the magnetic chuck 300 are attracted to each other when in the power-on state, the electromagnet mounting plate 410 overcomes the elastic force of the elastic member 430 and moves rightwards, and when in the power-off state, due to the elastic force of the elastic member 430, the electromagnet mounting plate 410 moves leftwards along the guide post 120 and simultaneously drives the electromagnet 420 and the magnetic chuck 300 to separate, so that the automatic pop-up effect is realized.

In some embodiments of the present invention, referring to fig. 1 and fig. 3, the present invention further includes a screw 440, the screw 440 is disposed in parallel with the guide post 120, the electromagnet mounting plate 410 is provided with a through hole matching with the screw 440, one end of the screw 440 is connected to the mounting frame 100, the other end of the screw 440 is disposed through the through hole and provided with a nut 450, the elastic member 430 is adapted to drive the electromagnet mounting plate 410 to abut against the nut 450, in this embodiment, the screw 440 and the screw 500 both include four sets, the vertical plate of the mounting frame 100 is provided with four sets of threaded holes, and the screw 500 is disposed through the through hole. The limiting effect is achieved through the structure of the screw 440 and the nut 450, wherein when the elastic member 430 drives the electromagnet mounting plate 410 to move leftwards, the nut 450 can prevent the electromagnet mounting plate 410 from being separated from the guide post 120 in the moving process along the upright post 600, and meanwhile, the position of the nut 450 is adjusted, so that the automatic attraction and bouncing-off distance between the electromagnet 420 and the magnet sucker 300 is controlled, the attraction and bouncing-off gap of the electromagnet 420 can be effectively controlled within 0.05mm-0.1mm, the problem of overlarge attraction noise of the electromagnet 420 is solved, and the effect of greatly shortening the attraction time of the electromagnet 420 is achieved.

In some embodiments of the present invention, referring to fig. 2, the elastic member 430 is a compression spring. It should be noted that the elastic member 430 is used to provide a pushing force for the electromagnet mounting plate 410 to drive the electromagnet assembly 400 to separate from the magnet chuck 300, and the elastic member 430 may also be other components with elastic potential energy, such as a tension spring.

In some embodiments of the present invention, referring to fig. 2, a bearing 130 is disposed between the roller 200 and the roller shaft 110, a sleeve 140 is disposed at an end of the roller shaft 110, and the sleeve 140 abuts against a side wall of the bearing 130. The bearing 130 functions to support the roller 200 and reduce friction, and the bearing 130 functions to fix the bearing 130 and facilitate the removal and replacement of the bearing 130.

In some embodiments of the present invention, referring to fig. 2, the magnet cup 300 and the roller 200 are respectively provided with corresponding threaded holes, the threaded holes are provided with screws 500, and the magnet cup 300 is connected with the roller 200 through the screws 500. The magnet chuck 300 and the roller 200 are fixedly connected through the screw 500, so that the assembly and replacement of the roller 200 and the magnet chuck 300 can be facilitated, and the good fixation of the two can be ensured. The magnet chuck 300 and the roller 200 may be fixed by other methods such as welding.

According to a bulb tube lifting device in a second aspect of the embodiment of the present invention, referring to fig. 1 and fig. 4, the bulb tube lifting device includes any one of the bulb tube locking mechanisms, and further includes an upright column 600 adapted to be provided with the bulb tube locking mechanism, the bulb tube locking mechanism is provided at the top of the upright column 600, a bottom plate of the mounting frame 100 is fixedly connected to the upright column 600 through a screw 500 structure, the upright column 600 is provided with a sliding member 610 and a counterweight 620, the sliding member 610 and the counterweight 620 are adapted to move vertically along the upright column 600, the sliding member 610 is adapted to mount an X-ray bulb tube, wherein the outer surface of the upright column 600 is provided with a sliding rail structure in the vertical direction, the sliding member 610 is connected to the sliding rail structure in a matching manner, a moving channel is provided in the upright column 600 in the vertical direction, the counterweight 620; one end of the pull rope 700 is connected to the sliding member 610, and the other end of the pull rope 700 is wound around the roller 200 and connected to the counterweight block 620, wherein two ends of the pull rope 700 are respectively provided with a connector, and the connectors are respectively fixedly connected to the sliding member 610 and the counterweight block 620.

The bulb tube lifting device provided by the invention at least has the following beneficial effects: through set up bulb locking mechanism on bulb elevating gear, when the slider drove X ray bulb and is the elevating movement, only need control the electro-magnet circular telegram, make electro-magnet and magnet sucking disc adsorb, can control the fixed of gyro wheel to realize the motion locking of X ray bulb, need not with the help of external force fixed locking such as manpower, have the high-efficient stable, easy operation's of locking advantage.

In some embodiments of the present invention, referring to fig. 2 and 3, the surface of the roller 200 is provided with a wire guiding groove 210 matching with the pull rope 700, and the wire guiding groove 210 has a V-shaped structure, and the inner width of the wire guiding groove is smaller than the outer width of the wire guiding groove. When the rope body of the pull rope 700 enters the wire guide groove 210 of the roller 200, the stress between the wire guide groove 210 and the pull rope 700 can be effectively relieved by the V-shaped structure, the pull rope 700 is prevented from scraping the inner wall of the wire guide groove 210, and therefore the durability of the equipment is ensured.

In some embodiments of the invention, the pull rope is a steel wire rope, the steel wire rope structure can transmit long-distance load, and meanwhile, the steel wire rope has higher tensile strength and impact toughness, so that the stability and accuracy of motion transmission between the sliding part and the balancing weight are ensured.

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 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. A bulb locking mechanism, comprising:

the mounting frame is provided with a roller shaft and a guide post, and the guide post is arranged in parallel with the roller shaft;

the roller is rotatably arranged on the roller shaft;

the magnet sucker is fixed on the side surface of the roller;

the electromagnet assembly is movably mounted on the guide post and is suitable for moving along the guide post and abutting against the magnet sucker in an electrified state.

2. The bulb locking mechanism of claim 1 wherein the electromagnet assembly comprises:

the electromagnet mounting plate is provided with a mounting hole matched with the guide post, and the electromagnet mounting plate is sleeved on the guide post through the mounting hole;

the electromagnet is fixed on the electromagnet mounting plate and arranged between the electromagnet mounting plate and the magnet sucker.

3. The bulb locking mechanism of claim 2 further comprising an elastic member having one end connected to the mounting bracket and the other end connected to the electromagnet mounting plate, the elastic member adapted to urge the electromagnet assembly away from the magnet chuck.

4. The bulb locking mechanism of claim 3 further comprising a screw rod, wherein the screw rod is parallel to the guide post, the electromagnet mounting plate is provided with a through hole matched with the screw rod, one end of the screw rod is connected with the mounting frame, the other end of the screw rod penetrates through the through hole and is provided with a nut, and the elastic element is suitable for driving the electromagnet mounting plate to abut against the nut.

5. A bulb locking mechanism according to claim 3 or 4, characterised in that the resilient member is a compression spring.

6. The tube locking mechanism of claim 1 wherein a bearing is disposed between the roller and the roller shaft, and a bushing is disposed at an end of the roller shaft, the bushing abutting against a sidewall of the bearing.

7. The bulb locking mechanism of claim 1 wherein the magnet cup and the roller each have a corresponding threaded hole with a screw therein adapted to secure the magnet cup and the roller.

8. A bulb lifting device comprising the bulb locking mechanism of any one of claims 1 to 7, further comprising:

the vertical column is suitable for being provided with the bulb tube locking mechanism, the vertical column is provided with a sliding part and a balancing weight, the sliding part and the balancing weight are suitable for doing vertical motion along the vertical column, and the sliding part is suitable for installing an X-ray bulb tube;

and one end of the pull rope is connected with the sliding piece, and the other end of the pull rope is wound on the roller and is connected with the balancing weight.

9. The ball tube lifting device according to claim 1, wherein the roller surface of the roller is provided with a wire guiding groove matched with the pull rope, and the wire guiding groove is in a V-shaped structure.

10. The bulb lifting device according to claim 1, wherein the pull rope is a steel wire rope.