CN211043789U - Electromagnetic locking device for balance cantilever of microscope - Google Patents
Electromagnetic locking device for balance cantilever of microscope Download PDFInfo
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- CN211043789U CN211043789U CN201922214598.5U CN201922214598U CN211043789U CN 211043789 U CN211043789 U CN 211043789U CN 201922214598 U CN201922214598 U CN 201922214598U CN 211043789 U CN211043789 U CN 211043789U
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Abstract
The utility model discloses a microscope balance cantilever electromagnetic locking device, wherein an upper arm and a lower arm are movably connected up and down between a support and a cantilever seat, and the device is a quadrilateral up-down movable supporting structure; a supporting block is arranged below the upper arm, and one end of a spring connecting rod is movably connected to the supporting block; the other end of the spring connecting rod is movably connected with the cantilever base; one end of a transmission rod is movably connected below the spring connecting rod on the cantilever seat; the other end of the transmission rod is movably connected with one end of the rack; the rack is meshed with the gear; the gear is connected with the electromagnetic brake through a gear shaft; the gear shaft is connected to the electromagnetic brake seat through a bearing; the electromagnetic brake is fixed on the electromagnetic brake seat; the technical effect of the utility model lies in, has simple structure, and the operation is convenient and fast, has adopted the gear, the structure of rack drive structure and electromagnetic braking stopper braking, an action alright realize opening and locking of microscope balance cantilever joint.
Description
Technical Field
The utility model relates to a balanced cantilever device of microscope especially relates to operation microscope in use cantilever and need open locking device earlier before reciprocating the position, need lock the adjusting device that can only carry out the operation to it again after having adjusted.
Background
In order to ensure the operation safety of the operation microscope, each movable joint is provided with a locking device. When in microsurgery, a doctor needs to open the locking device before operating the microscope, and then needs to lock the locking device after the locking device is adjusted, so that the operation can be carried out. Usually, the knob is screwed by hand to lock, the shifting rod is locked, the lever is locked, the electromagnetic valve is locked, and the like. The function adjusting structures of the current operation microscopes on the market are different, and the adjusting modes and the positions are different. Some structures are complex and have high cost; some are inconvenient to adjust, etc.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art, and the utility model realizes a microscope balance cantilever electromagnetic locking device which is characterized by comprising a support, an electromagnetic brake, a gear, a rack, a transmission rod, an electromagnetic brake seat, a spring connecting rod, an upper arm, a lower arm and a cantilever seat; the upper arm and the lower arm are vertically movably connected between the support and the cantilever seat to form a quadrilateral vertically movable supporting structure; a supporting block is arranged below the upper arm, and one end of a spring connecting rod is movably connected to the supporting block; the other end of the spring connecting rod is movably connected with the cantilever base; one end of a transmission rod is movably connected below the spring connecting rod on the cantilever seat; the other end of the transmission rod is movably connected with one end of the rack; the rack is meshed with the gear; the gear is connected with the electromagnetic brake through a gear shaft; the gear shaft is connected to the electromagnetic brake seat through a bearing; the electromagnetic brake is fixed on the electromagnetic brake seat.
Furthermore, the spring connecting rod also comprises a spring sleeve, a front connecting rod, a rear connecting rod and a spring; a spring is arranged in the spring sleeve, one end of the spring is fixedly connected with the front connecting rod, and the other end of the spring is fixedly connected with the rear connecting rod.
Furthermore, the electromagnetic brake is a power-off brake.
Further, the rack is arranged in a groove on the electromagnetic brake seat.
Furthermore, the movable connection is pin shaft movable connection.
The technical effect of the utility model lies in, has simple structure, and the operation is convenient and fast, and an action alright realize opening and locking of the balanced cantilever joint of microscope. When the microscope balance cantilever needs to move up and down, the microscope balance cantilever can be moved only by pressing an unlocking switch on a lens handle, the microscope balance cantilever can be locked by loosening the switch after being adjusted to a required position, and the linear displacement generated when the cantilever moves can be converted into rotary displacement by adopting a structure of a gear, a rack transmission structure and an electromagnetic brake, and then the linear displacement can be locked by the electromagnetic brake.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the present invention at a-a.
Fig. 3 is a schematic view of the spring link of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
With reference to fig. 1 and fig. 2, in the present embodiment, a microscope balance cantilever electromagnetic locking device is disclosed, which includes a support 12, an electromagnetic brake 1, a gear 2, a rack 3, a transmission rod 4, an electromagnetic brake seat 6, a spring link 7, an upper arm 8, a lower arm 9, and a cantilever seat 11; an upper arm 8 and a lower arm 9 are movably connected between the support 12 and the cantilever base 11 up and down to form a quadrilateral up-down movable supporting structure; a supporting block 13 is arranged below the upper arm 8, and one end of the spring connecting rod 7 is movably connected to the supporting block 13; the other end of the spring connecting rod 7 is movably connected with the cantilever seat 11; one end of the transmission rod 4 is movably connected below the spring connecting rod 7 on the cantilever seat 11; the other end of the transmission rod 4 is movably connected with one end of the rack 3; the rack 3 is meshed with the gear 2; the gear 2 is connected with the electromagnetic brake 1 through a gear shaft 14; the gear shaft 14 is connected to the electromagnetic brake seat 6 through a bearing 15; the electromagnetic brake 1 is fixed on the electromagnetic brake base 6; in the structure, when the balance cantilever of the microscope moves up and down, the linear displacement generated by the upper arm 8 and the lower arm 9 is connected to the transmission rod 4 on the cantilever seat 11 through the shaft pin 10 to push the rack 3 to move linearly, and then the gear 2 is driven to rotate. The gear 2 is connected with the electromagnetic brake 1 and fixed on the electromagnetic brake base 6. The gear 2 rotates only by moving the microscope balance cantilever up and down, the gear 2 can easily rotate only by electrifying the electromagnetic brake 1, namely, the joint is opened, the electromagnetic brake 1 is powered off, the gear 2 cannot rotate, and the microscope balance cantilever cannot move up and down, namely, the joint is locked; the structure has the advantages that the structure is simple, the operation is convenient and fast, and the opening and the locking of the balance cantilever joint of the microscope can be realized by one action; when the microscope balance cantilever needs to move up and down, the microscope balance cantilever can be moved only by pressing an unlocking switch on a lens handle, the microscope balance cantilever can be locked by loosening the switch after being adjusted to a required position, a gear and rack transmission structure is adopted, and an electromagnetic brake carries out braking structure, so that linear displacement generated when the cantilever moves can be converted into rotary displacement, and the linear displacement can be locked by the electromagnetic brake 1.
As shown in connection with fig. 3. The spring connecting rod 7 also comprises a spring sleeve 70, a front connecting rod 71, a rear connecting rod 72 and a spring 73; a spring 73 is arranged in the spring sleeve 70, one end of the spring 73 is fixedly connected with the front connecting rod 71, and the other end of the spring 73 is fixedly connected with the rear connecting rod 72. The spring connecting rod 7 can reduce the load in the moving process when the microscope balance cantilever moves, the load of the microscope balance cantilever on an operator is reduced, and the technical effect of being beneficial to balance is achieved.
In the present embodiment, the electromagnetic brake 1 is a power-off brake. As shown in fig. 2, the rack 3 is disposed in a groove 16 of the electromagnetic brake holder 6, and is used for limiting the left and right positions of the rack 3 so that the rack can not shake left and right during movement. In this embodiment, all the articulations are articulated by means of pins 10.
As a preferred embodiment of the present invention, it is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention, and that the scope of the present invention is also encompassed by the present invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A microscope balance cantilever electromagnetic locking device is characterized by comprising a support, an electromagnetic brake, a gear, a rack, a transmission rod, an electromagnetic brake seat, a spring connecting rod, an upper arm, a lower arm and a cantilever seat; the upper arm and the lower arm are vertically movably connected between the support and the cantilever seat to form a quadrilateral vertically movable supporting structure; a supporting block is arranged below the upper arm, and one end of a spring connecting rod is movably connected to the supporting block; the other end of the spring connecting rod is movably connected with the cantilever base; one end of a transmission rod is movably connected below the spring connecting rod on the cantilever seat; the other end of the transmission rod is movably connected with one end of the rack; the rack is meshed with the gear; the gear is connected with the electromagnetic brake through a gear shaft; the gear shaft is connected to the electromagnetic brake seat through a bearing; the electromagnetic brake is fixed on the electromagnetic brake seat.
2. The balanced cantilever electromagnetic locking device for microscope as claimed in claim 1, wherein said spring linkage further comprises a spring sleeve, a front link, a rear link, a spring; a spring is arranged in the spring sleeve, one end of the spring is fixedly connected with the front connecting rod, and the other end of the spring is fixedly connected with the rear connecting rod.
3. The balanced cantilever electromagnetic locking device for microscope as claimed in claim 1, wherein the electromagnetic actuator is a power-off actuator.
4. The balanced cantilever electromagnetic locking device for microscope as claimed in claim 1, wherein said rack is disposed in a recess on said electromagnetic actuator mount.
5. The balanced cantilever electromagnetic locking device for microscope as claimed in claim 1, wherein said movable joints are all movably connected by pin shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922214598.5U CN211043789U (en) | 2019-12-05 | 2019-12-05 | Electromagnetic locking device for balance cantilever of microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922214598.5U CN211043789U (en) | 2019-12-05 | 2019-12-05 | Electromagnetic locking device for balance cantilever of microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211043789U true CN211043789U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922214598.5U Active CN211043789U (en) | 2019-12-05 | 2019-12-05 | Electromagnetic locking device for balance cantilever of microscope |
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| Country | Link |
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| CN (1) | CN211043789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116327386A (en) * | 2023-03-30 | 2023-06-27 | 苏州西默医疗科技有限公司 | Balance arm hovering force adjusting mechanism of operation microscope equipment |
-
2019
- 2019-12-05 CN CN201922214598.5U patent/CN211043789U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116327386A (en) * | 2023-03-30 | 2023-06-27 | 苏州西默医疗科技有限公司 | Balance arm hovering force adjusting mechanism of operation microscope equipment |
| CN116327386B (en) * | 2023-03-30 | 2023-10-20 | 苏州西默医疗科技有限公司 | Balance arm hovering force adjusting mechanism of operation microscope equipment |
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