Electromagnetic brake structure and medical crane tower

Abstract

The utility model discloses an electromagnetic brake structure and a medical tower crane, and relates to the technical field of medical equipment.The electromagnetic brake structure comprises a fixing base, an electromagnetic generation assembly, an electromagnetic adsorption plate, a locking flange, a mounting plate and an elastic piece, and the electromagnetic generation assembly is arranged in the fixing base; the electromagnetic adsorption plate covers the opening of the fixed seat, and the mounting plate is connected with the edge of the fixed seat, so that the locking flange is clamped between the mounting plate and the electromagnetic adsorption plate; one end of the elastic piece is connected with the cavity bottom of the accommodating cavity, and the other end is connected with the electromagnetic adsorption plate; when the electromagnetic generation assembly is in a power-off state, the elastic piece is in a compressed state so as to push the electromagnetic adsorption plate to abut against the stop flange on the mounting plate. When the electromagnetic generation assembly is in a power-on state, the elastic piece is in a compressed state, the electromagnetic generation assembly generates magnetic force, and the electromagnetic adsorption plate is subjected to balanced elastic force and magnetic force, so that the locking flange cannot abut against the mounting plate. The electromagnetic brake structure provided by the utility model can improve the rotation smoothness of the cantilever.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to an electromagnetic brake structure and a medical pendant. Background Art

[0002] Medical pendants are mainly used in important departments of hospitals. They are medical equipment used for gas and electricity supply and equipment loading, which facilitates the work of medical staff. A cantilever is installed on the medical pendant, and medical equipment is transported through the rotation and movement of the cantilever.

[0003] In order to prevent the cantilever from drifting, the existing cantilever is installed with a damping screw, but such a cantilever structure makes it more difficult for the user to rotate, and the user experience is poor. Utility Model Content

[0004] The main purpose of the utility model is to provide an electromagnetic brake structure and a medical pendant, aiming to improve the smoothness of cantilever rotation.

[0005] To achieve the above-mentioned purpose, the electromagnetic brake structure proposed in the utility model is applied to the cantilever of a medical pendant, and the electromagnetic brake structure includes a fixed seat, an electromagnetic generating assembly, an electromagnetic adsorption plate, a stopping flange, a mounting plate and an elastic member, wherein the fixed seat forms a receiving cavity with an opening; the electromagnetic generating assembly is arranged in the receiving cavity, and the electromagnetic generating assembly has a power-on state for generating magnetic force and a power-off state for generating no magnetic force; the electromagnetic adsorption plate cover is arranged at the opening; the stopping flange is arranged on the surface of the electromagnetic adsorption plate away from the fixed seat; the mounting plate is arranged on the surface of the stopping flange away from the electromagnetic adsorption plate, and It is connected to the edge of the fixing seat so that the stopping flange is clamped between the mounting plate and the electromagnetic adsorption plate; one end of the elastic member is connected to the bottom of the accommodating cavity, and the other end is connected to the electromagnetic adsorption plate; when the electromagnetic generating assembly is in a power-off state, the elastic member is in a compressed state to push the electromagnetic adsorption plate to press the stopping flange against the mounting plate; when the electromagnetic generating assembly is in a power-on state, the elastic member is in a compressed state, the electromagnetic generating assembly generates magnetic force, and the electromagnetic adsorption plate is subjected to balanced elastic force and magnetic force, and will not press the stopping flange against the mounting plate.

[0006] In one embodiment, the stopping flange includes a flange plate and a connecting tube, the flange plate is connected to one end of the connecting tube, the flange plate is clamped between the electromagnetic adsorption plate and the mounting plate, and the other end of the connecting tube passes through the avoidance opening of the mounting plate for connection with the rotating shaft of the cantilever.

[0007] In one embodiment, the electromagnetic generating component is a coil, and the coil is electrically connected to an external power source.

[0008] In one embodiment, a baffle is protrudingly provided on the bottom of the accommodating cavity, and the coil ring is arranged between the baffle and the cavity wall of the accommodating cavity.

[0009] In one embodiment, the baffle is provided with a guide groove, and one end of the elastic member is disposed in the guide groove.

[0010] In one embodiment, there are a plurality of the elastic members and the guide grooves, the plurality of guide grooves are arranged at intervals along the circumference of the fixing seat, and one elastic member is arranged in one guide groove.

[0011] In one embodiment, the electromagnetic brake structure further includes silent cotton, and the silent cotton is sandwiched between the opening edge of the fixing seat and the electromagnetic adsorption plate.

[0012] In one embodiment, the electromagnetic brake structure further includes two friction plates, one of the friction plates is clamped between the stop flange and the electromagnetic adsorption plate, and the other friction plate is clamped between the stop flange and the mounting plate.

[0013] The utility model also provides a medical pendant, comprising the electromagnetic brake structure and a cantilever as described above, wherein a stop flange of the electromagnetic brake structure is connected to a rotating shaft of the cantilever.

[0014] In one embodiment, the medical pendant further comprises a connecting seat, one end of which is connected to the ceiling, and the other end of which is connected to the mounting plate.

[0015] The technical solution of the utility model adopts a fixing seat, an electromagnetic generating component, a mounting plate, an electromagnetic adsorption plate, a stop flange and an elastic member. The electromagnetic brake structure has a braking state and a brake-released state. When the electromagnetic brake structure is in the braking state, the elastic member is in a compressed state, and the elastic force is applied to the electromagnetic adsorption plate. The electromagnetic adsorption plate then abuts the stop flange against the mounting plate, so that the stop flange cannot rotate, thereby achieving a braking effect. When the electromagnetic brake structure is in the brake-released state, the electromagnetic generating component is energized to generate magnetic force. The electromagnetic adsorption plate is simultaneously subjected to the elastic force of the elastic member and the magnetic force of the electromagnetic generating component, and the forces are balanced. No abutting force is applied to the stop flange, so that the stop flange can rotate relative to the mounting plate, thereby achieving a brake-released effect. The switching between the braking state and the brake-released state of the electromagnetic brake structure is more labor-saving and convenient for medical staff to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 A schematic diagram of the structure of an electromagnetic brake structure according to an embodiment of the present invention;

[0018] Figure 2 A structural schematic diagram of an embodiment of a stop flange in an electromagnetic brake structure provided by the utility model;

[0019] Figure 3 A structural schematic diagram of an embodiment of a fixing seat in an electromagnetic brake structure provided by the utility model;

[0020] Figure 4 The present invention is a schematic structural diagram of an embodiment of a medical pendant provided by the present invention.

[0021] Description of Figure Numbers:

[0022] 100. Medical pendant; 1. Electromagnetic brake structure; 11. Fixed seat; 111. Baffle; 112. Guide groove; 12. Electromagnetic generating assembly; 13. Mounting plate; 14. Electromagnetic adsorption plate; 15. Stop flange; 151. Flange; 152. Connecting tube; 16. Elastic part; 17. Silent cotton; 18. Friction plate; 19. Connecting seat; 2. Cantilever.

[0023] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0026] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0027] In order to prevent the cantilever from drifting, the existing cantilever is installed with a damping screw, but such a cantilever structure makes it more difficult for the user to rotate, and the user experience is poor.

[0028] The utility model provides an electromagnetic brake structure 1, which aims to improve the rotation smoothness of a cantilever 2.

[0029] See also Figures 1 to 3 In one embodiment of the utility model, the electromagnetic brake structure 1 includes a fixing seat 11, an electromagnetic generating assembly 12, an electromagnetic adsorption plate 14, a stopping flange 15, a mounting plate 13 and an elastic member 16, the fixing seat 11 forms a receiving cavity with an opening; the electromagnetic generating assembly 12 is arranged in the receiving cavity, and the electromagnetic generating assembly 12 has a power-on state for generating magnetic force and a power-off state for generating no magnetic force; the electromagnetic adsorption plate 14 is covered with the opening; the stopping flange 15 is arranged on the surface of the electromagnetic adsorption plate 14 away from the fixing seat 11; the mounting plate 13 is arranged on the surface of the stopping flange 15 away from the electromagnetic adsorption plate 14, and is connected to the fixing seat 1 1 is connected to the edge of the mounting plate 13 to clamp the stop flange 15 between the mounting plate 13 and the electromagnetic adsorption plate 14; one end of the elastic member 16 is connected to the bottom of the accommodating cavity, and the other end is connected to the electromagnetic adsorption plate 14; when the electromagnetic generating assembly 12 is in a power-off state, the elastic member 16 is in a compressed state to push the electromagnetic adsorption plate 14 to press the stop flange 15 against the mounting plate 13; when the electromagnetic generating assembly 12 is in a power-on state, the elastic member 16 is in a compressed state, the electromagnetic generating assembly 12 generates a magnetic force, and the electromagnetic adsorption plate 14 is subjected to a balanced elastic force and magnetic force, and the stop flange 15 will not be pressed against the mounting plate 13.

[0030] In this embodiment, the fixing seat 11, the stop flange 15 and the mounting plate 13 are made of non-magnetic metal materials, such as copper alloy or aluminum alloy, and the electromagnetic adsorption plate 14 is made of magnetic metal materials, such as iron plate, etc. The elastic member 16 can be a metal spring or a rubber spring, etc., as long as it can apply a driving force to the electromagnetic adsorption plate 14 and abut the electromagnetic adsorption plate 14 against the mounting plate 13.

[0031] The technical solution of the utility model adopts a fixing seat 11, an electromagnetic generating assembly 12, a mounting plate 13, an electromagnetic adsorption plate 14, a stop flange 15 and an elastic member 16. The electromagnetic brake structure 1 has a braking state and a brake-released state. When the electromagnetic brake structure 1 is in the braking state, the elastic member 16 is in a compressed state, and the elastic force is applied to the electromagnetic adsorption plate 14. The electromagnetic adsorption plate 14 then abuts the stop flange 15 against the mounting plate 13, so that the stop flange 15 cannot rotate, thereby achieving a braking effect. When the electromagnetic brake structure 1 is in the brake-released state, the electromagnetic generating assembly 12 is energized to generate magnetic force. The electromagnetic adsorption plate 14 is simultaneously subjected to the elastic force of the elastic member 16 and the magnetic force of the electromagnetic generating assembly 12, and the forces are balanced, and no abutting force is applied to the stop flange 15, so that the stop flange 15 can rotate relative to the mounting plate 13, thereby achieving a brake-released effect. The switching between the braking state and the brake-released state of the electromagnetic brake structure 1 is more labor-saving and convenient for medical staff to operate.

[0032] In an embodiment of the utility model, the stop flange 15 includes a flange plate 151 and a connecting tube 152. The flange plate 151 is connected to one end of the connecting tube 152. The flange plate 151 is clamped between the electromagnetic adsorption plate 14 and the mounting plate 13. The other end of the connecting tube 152 passes through the avoidance opening of the mounting plate 13 and is used to be connected to the rotating shaft of the cantilever 2.

[0033] In this embodiment, the stopping flange 15 includes a flange 151 clamped between the electromagnetic adsorption plate 14 and the mounting plate 13 and a connecting tube 152 for connecting the rotating shaft of the cantilever 2. The flange 151 is connected to one end of the connecting tube 152, and the other end passes through the avoidance opening opened in the middle of the mounting plate 13 and is connected to the rotating shaft of the cantilever 2. The operator rotates the rotating shaft of the cantilever 2 and drives the connecting tube 152 and the flange 151 to rotate. When the stopping flange 15 is braked, the cantilever 2 will also be braked to prevent the cantilever 2 from drifting and causing personal injury or damage to property.

[0034] In the embodiment of the present utility model, the electromagnetic generating component 12 is a coil, and the coil is electrically connected to an external power source.

[0035] In this embodiment, a coil is used as the electromagnetic generating component 12, and the generation or disappearance of magnetism is controlled by whether the coil is energized, thereby controlling whether the electromagnetic adsorption plate 14 is affected by the magnetic force, thereby controlling the braking or release of the stop flange 15.

[0036] In the embodiment of the present invention, a baffle 111 is convexly provided on the bottom of the accommodating cavity, and the coil ring is arranged between the baffle 111 and the cavity wall of the accommodating cavity.

[0037] In this embodiment, a baffle 111 is protruded from the bottom of the accommodating cavity. The baffle 111 is a circular baffle 111 protruded from the bottom of the cavity to fix the coil clamp in the accommodating cavity of the fixing seat 11 to prevent the coil from falling and causing the electromagnetic brake structure 1 to fail to release the brake.

[0038] In the embodiment of the present invention, the baffle 111 defines a guide slot 112 , and one end of the elastic member 16 is disposed in the guide slot 112 .

[0039] In this embodiment, a guide groove 112 is provided in the baffle 111, and the opening direction of the guide groove 112 is the direction in which the baffle 111 is convex. One end of the elastic member 16 is arranged in the guide groove 112, and the elastic member 16 is in a compressed state, and the other end is connected to the electromagnetic adsorption plate 14 to push the electromagnetic adsorption plate 14 to press the stop flange 15 on the mounting plate 13, so as to achieve the effect of braking and preventing drift. The guide groove 112 can limit the compression direction of the elastic member 16, and prevent the elastic member 16 from being compressed and deflected, causing the elastic failure of the elastic member 16.

[0040] In the embodiment of the present invention, there are multiple elastic members 16 and multiple guide grooves 112 . The multiple guide grooves 112 are arranged at intervals along the circumference of the fixing seat 11 , and one elastic member 16 is arranged in one guide groove 112 .

[0041] In this embodiment, there are multiple elastic members 16 and corresponding guide grooves 112, and the multiple guide grooves 112 are evenly spaced along the circumference of the baffle 111. An elastic member 16 is provided in each guide groove 112. The use of multiple elastic members 16 can increase the size of the elastic force, thereby improving the braking effect of the electromagnetic brake structure 1.

[0042] In the embodiment of the utility model, the electromagnetic brake structure 1 further includes a sound-proof cotton 17 , and the sound-proof cotton 17 is sandwiched between the opening edge of the fixing seat 11 and the electromagnetic adsorption plate 14 .

[0043] In this embodiment, a sound-absorbing cotton 17 is sandwiched between the opening edge of the fixing seat 11 and the electromagnetic adsorption plate 14. The sound-absorbing cotton 17 is made of a material such as sponge that can buffer or absorb noise to prevent the electromagnetic adsorption plate 14 from colliding with the opening edge of the fixing seat 11 or generating noise.

[0044] In the embodiment of the present invention, the electromagnetic brake structure 1 further includes two friction plates 18 , one friction plate 18 is sandwiched between the stop flange 15 and the electromagnetic adsorption plate 14 , and the other friction plate 18 is sandwiched between the stop flange 15 and the mounting plate 13 .

[0045] In this embodiment, friction plates 18 are provided between the stop flange 15 and the electromagnetic adsorption plate 14 and between the stop flange 15 and the mounting plate 13 to prevent wear between the stop flange 15 and the electromagnetic adsorption plate 14 and between the stop flange 15 and the mounting plate 13 .

[0046] The utility model also provides a medical pendant 100, combined with reference to Figure 4 The medical pendant 100 includes an electromagnetic brake structure 1 and a cantilever 2. The specific structure of the electromagnetic brake structure 1 refers to the above embodiment. Since the medical pendant 100 adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here. Among them, the stop flange 15 of the electromagnetic brake structure is connected to the rotating shaft of the cantilever 2.

[0047] In the embodiment of the utility model, the medical pendant 100 further includes a connecting seat 19 , one end of the connecting seat 19 is connected to the ceiling, and the other end of the connecting seat 19 is connected to the mounting plate 13 .

[0048] In this embodiment, the medical pendant 100 is provided with a connecting seat 19, one end of the connecting seat 19 is connected to the ceiling, and the other end is connected to the mounting plate 13 of the electromagnetic brake structure 1 to fix the electromagnetic brake structure 1 and the cantilever 2 on the ceiling. In one example, a decorative cover is also provided, and the connecting seat 19 is covered in the decorative cover to enhance the appearance.

[0049] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An electromagnetic brake structure, applied to the cantilever of a medical pendant, characterized in that: include: A fixing seat, wherein the fixing seat forms a receiving cavity with an opening; An electromagnetic generating component, the electromagnetic generating component is arranged in the accommodating cavity, and the electromagnetic generating component has a power-on state in which magnetic force is generated and a power-off state in which no magnetic force is generated; An electromagnetic adsorption plate, wherein the electromagnetic adsorption plate is covered on the opening; A stop flange, the stop flange being arranged on a surface of the electromagnetic adsorption plate away from the fixing seat; a mounting plate, the mounting plate being disposed on a surface of the stop flange facing away from the electromagnetic adsorption plate and connected to an edge of the fixing seat so as to clamp the stop flange between the mounting plate and the electromagnetic adsorption plate; and An elastic member, one end of which is connected to the bottom of the accommodating cavity, and the other end of which is connected to the electromagnetic adsorption plate; When the electromagnetic generating assembly is in a power-off state, the elastic member is in a compressed state to push the electromagnetic adsorption plate to press the stop flange against the mounting plate; When the electromagnetic generating assembly is in a powered-on state, the elastic member is in a compressed state, the electromagnetic generating assembly generates magnetic force, and the electromagnetic adsorption plate is subjected to balanced elastic force and magnetic force, and the stop flange will not be pressed against the mounting plate.

2. The electromagnetic brake structure according to claim 1, characterized in that: The stopping flange includes a flange plate and a connecting tube, the flange plate is connected to one end of the connecting tube, the flange plate is clamped between the electromagnetic adsorption plate and the mounting plate, and the other end of the connecting tube passes through the avoidance opening of the mounting plate for connection with the rotating shaft of the cantilever.

3. The electromagnetic brake structure according to claim 1, characterized in that: The electromagnetic generating component is a coil, and the coil is electrically connected to an external power source.

4. The electromagnetic brake structure according to claim 3, characterized in that: A baffle is convexly provided on the bottom of the accommodating cavity, and the coil ring is arranged between the baffle and the cavity wall of the accommodating cavity.

5. The electromagnetic brake structure according to claim 4, characterized in that: The baffle is provided with a guide groove, and one end of the elastic member is arranged in the guide groove.

6. The electromagnetic brake structure according to claim 5, characterized in that: There are a plurality of elastic members and guide grooves, and the plurality of guide grooves are arranged at intervals along the circumference of the fixing seat, and one elastic member is arranged in one guide groove.

7. The electromagnetic brake structure according to any one of claims 1 to 6, characterized in that: The electromagnetic brake structure also includes silent cotton, which is sandwiched between the opening edge of the fixing seat and the electromagnetic adsorption plate.

8. The electromagnetic brake structure according to any one of claims 1 to 6, characterized in that: The electromagnetic brake structure further includes two friction plates, one of which is clamped between the stop flange and the electromagnetic adsorption plate, and the other of which is clamped between the stop flange and the mounting plate.

9. A medical pendant, characterized in that: It comprises the electromagnetic brake structure and cantilever as claimed in any one of claims 1 to 8, wherein the stop flange of the electromagnetic brake structure is connected to the rotating shaft of the cantilever.

10. The medical pendant according to claim 9, characterized in that: The medical pendant also includes a connecting seat, one end of which is connected to the ceiling, and the other end of which is connected to the mounting plate.

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