Rotating shaft anti-loosening structure, display device and endoscope system

Abstract

The utility model relates to a rotating shaft anti-loosening structure, a display device and an endoscope system. The rotating shaft anti-loosening structure comprises a fixed support, a rotating shaft, a rotating support and an auxiliary sleeve piece. Wherein the rotating shaft is fixedly connected with the fixed bracket. The rotating support is rotationally connected with the rotating shaft. The auxiliary sleeve piece is fixedly connected with the fixing support, and the auxiliary sleeve piece is arranged on the rotating shaft in a sleeving mode and attached to at least part of the peripheral face of the rotating shaft. The fixing area and the acting point of the rotating shaft are increased, so that the torque generated by the rotating shaft when the rotating support is turned over can be shared, the problem that the rotating shaft is prone to loosening due to the fact that the torque is concentrated between the fixing support and the rotating shaft is solved, and the stability of the rotating shaft is improved.

Description

Technical Field

[0001] The present application relates to the technical field of endoscopes, and particularly to an anti-loosening structure for a rotating shaft, a display device, and an endoscope system. Background Art

[0002] An endoscope system is a commonly used medical device. During use, the endoscope enters the patient's body through a natural body orifice or an incision formed by surgery. After the endoscope is introduced into the organ to be examined, the doctor can directly view the image of the lesion in the relevant part on the display screen of the main unit, so as to perform medical diagnosis.

[0003] In order to obtain a clear and intuitive understanding of the image of the lesion site and improve the accuracy of the diagnosis of the lesion. The operator sometimes needs to adjust the angle of the display screen to obtain the best image viewing angle. Currently, the display screen with an adjustable angle is generally installed and fixed by an adjustable bracket. The firmness of the fixation of the rotating shaft of the adjustable bracket determines the stability of the display screen during the flipping use process. Generally, in the design, the rotating shaft is directly fixed to the bracket. However, during the flipping process of the display screen, the rotating torque borne by the bracket is relatively large. After using for a certain period, the rotating shaft will gradually become loose, which is likely to cause adverse phenomena such as jitter of the display screen, affecting the operation and use of the display screen. Summary of the Utility Model

[0004] Based on this, it is necessary to provide an anti-loosening structure for a rotating shaft, a display device, and an endoscope system for the problem of how to prevent the display screen with an adjustable angle from being prone to jitter after long-term use.

[0005] On the one hand, the present application provides an anti-loosening structure for a rotating shaft, including:

[0006] A fixed bracket;

[0007] A rotating shaft, the rotating shaft is fixedly connected to the fixed bracket;

[0008] A rotating bracket, the rotating bracket is rotatably connected to the rotating shaft;

[0009] An auxiliary kit, the auxiliary kit is fixedly connected to the fixed bracket, the auxiliary kit is sleeved on the rotating shaft and fits with at least a part of the outer peripheral surface of the rotating shaft.

[0010] The following further explains the technical solution:

[0011] In one embodiment, the fixed bracket includes a fixed seat and a support member provided on the fixed seat. The support member extends away from the fixed seat and is provided with an installation hole. The rotating shaft passes through the installation hole. One end of the rotating shaft protrudes from the installation hole and is rotatably connected to the rotating bracket. The auxiliary kit is sleeved on the other end of the rotating shaft.

[0012] In one embodiment, the auxiliary kit includes a seat and a sleeve, the seat is a hollow structure with an opening on one side, the seat is sleeved on the fixed seat and fixedly connected to the fixed seat, the sleeve is connected to a side of the fixed seat away from the opening, and the sleeve is sleeved on one end of the rotating shaft.

[0013] In one of the embodiments, the sleeve is provided with an end plate at the end portion in the length direction of the rotating shaft, the end plate is provided with a fixing hole matching the outer circumferential surface of the rotating shaft, one end of the rotating shaft is arranged in the fixing hole and fits with the hole wall of the fixing hole; the support member includes a first support plate and a second support plate, the first support plate is connected to the fixing seat and fits with the inner wall of the end plate, the second support plate fits with the outer wall of the end plate, the mounting hole is opened in the second support plate, and the rotating shaft anti-loosening structure also includes a connecting member, the connecting member is passed through the first support plate, the end plate and the second support plate and fixes the first support plate, the end plate and the second support plate.

[0014] In one of the embodiments, an outer wall of the end plate is provided with a receiving groove, and the second supporting plate is embedded in the receiving groove.

[0015] In one embodiment, there are two support members, which are arranged on the fixing seat at intervals. There are two rotating shafts, which are respectively passed through the mounting holes of the two support members. The rotating bracket includes two supporting feet, which are respectively rotatably connected to the two rotating shafts. Both ends of the auxiliary kit are respectively mounted on the two rotating shafts.

[0016] In one embodiment, the rotating bracket can be rotatably mounted on the rotating shaft, and the rotating shaft anti-loosening structure also includes a limit block plate, a friction gasket and a locking nut. The limit block plate is fixedly connected to the rotating shaft and abuts against one side of the rotating bracket, the friction gasket is mounted on the rotating shaft and abuts against the other side of the rotating bracket, and the locking nut is threadedly connected to the rotating shaft and abuts against the side of the friction gasket facing away from the rotating bracket.

[0017] In one embodiment, the limit baffle is provided with an arc-shaped groove, and a protrusion is provided on the side of the rotating bracket close to the limit baffle. The protrusion is arranged in the arc-shaped groove and can cooperate with two groove walls of the arc-shaped groove opposite to each other in the circumferential direction of the rotating shaft.

[0018] On the other hand, the present application also provides a display device, including a display screen and the above-mentioned rotating shaft anti-loosening structure, wherein the display screen is connected to the rotating bracket.

[0019] On the other hand, the present application also provides an endoscope system, including the above display device.

[0020] The above-mentioned anti-loosening structure of the rotating shaft, the display device and the endoscope system are fixedly connected through the auxiliary kit and the fixing bracket. At the same time, the auxiliary kit is sleeved on the rotating shaft and fits with at least a part of the outer peripheral surface of the rotating shaft. Thereby increasing the fixing area and the acting point of the rotating shaft, so as to share the torque generated by the rotating shaft when the rotating bracket flips, avoiding the problem that the rotating shaft is easily loosened due to the torque concentration between the fixing bracket and the rotating shaft, improving the stability of the rotating shaft, and further improving the stability of the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application.

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0023] In addition, the drawings are not drawn to a scale of 1:1, and the relative sizes of the respective elements are only schematically drawn in the drawings and not necessarily drawn to the actual scale. In the drawings:

[0024] Figure 1 It is a schematic structural diagram of the display device according to an embodiment.

[0025] Figure 2 is Figure 1 A partial enlarged view of the partial area A of the display device shown in

[0026] Figure 3 is Figure 1 A top view of the display device shown in

[0027] Figure 4 is Figure 3 A cross-sectional view of the display device shown in along the section B-B.

[0028] Figure 5 is Figure 4 A partial enlarged view of the partial area C of the display device shown in

[0029] Figure 6 is Figure 1 A schematic structural diagram of the display device shown in from another perspective after hiding the auxiliary kit.

[0030] Figure 7 isFigure 6 Partial enlarged view of the display device shown in D region.

[0031] Figure 8 Schematic structural view of an auxiliary kit of an embodiment.

[0032] Description of reference numerals:

[0033] 10. Fixed bracket; 11. Fixed seat; 12. Support member; 121. First support plate; 122. Second support plate; 20. Rotating shaft; 30. Rotating bracket; 31. Leg; 32. Protrusion; 40. Auxiliary kit; 41. Seat portion; 42. Sleeve portion; 421. End plate; 422. Fixing hole; 423. Accommodating groove; 50. Display screen; 61. Limit retaining piece; 611. Arc-shaped groove; 62. Friction gasket; 63. Locking nut. Detailed implementation manners

[0034] To make the above objects, features, and advantages of the present application more obvious and understandable, the following will describe the detailed implementation manners of the present application with reference to the accompanying drawings. Many specific details are set forth in the following description to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0035] In the description of the present application, it should be understood that if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present application.

[0036] In addition, if there are terms such as "first" and "second", these terms are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present application, if there is a term "plurality", the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0037] In this application, unless otherwise clearly specified or limited, if terms such as "installed", "connected", "joined", "fixed", etc. appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] In this application, unless otherwise clearly specified or limited, if there is a description such as a first feature being "on" or "under" a second feature, its meaning can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over", and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is at a higher horizontal level than the second feature. The first feature being "under", "beneath", and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is at a lower horizontal level than the second feature.

[0039] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there can also be an intermediate element. If an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. If so, the terms "vertical", "horizontal", "up", "down", "left", "right", and similar expressions used in this application are only for the purpose of illustration and do not represent the only implementation.

[0040] An embodiment of this application provides a shaft anti-loosening structure. Specifically, the shaft anti-loosening structure can be used to install electronic devices such as a display screen 50. Specifically, refer to Figure 1 and Figure 2 , the shaft anti-loosening structure of an embodiment includes a fixed bracket 10, a shaft 20, a rotating bracket 30, and an auxiliary kit 40. Among them, the shaft 20 is fixedly connected to the fixed bracket 10. The rotating bracket 30 is rotatably connected to the shaft 20. The auxiliary kit 40 is fixedly connected to the fixed bracket 10, and the auxiliary kit 40 is sleeved on the shaft 20 and is in contact with at least a part of the outer peripheral surface of the shaft 20.

[0041] For example, in the case of a display device, the fixed bracket 10 is used to be fixedly connected to the main housing of the display device, and the rotating bracket 30 is used to be fixedly connected to the display screen 50, so that the angle of the display screen 50 can be adjusted by flipping the rotating bracket 30. The auxiliary kit 40 is fixedly connected to the fixed bracket 10, and at the same time, the auxiliary kit 40 is sleeved on the rotating shaft 20 and fits with at least part of the outer circumference of the rotating shaft 20, thereby increasing the fixing area and the force point of the rotating shaft 20, so as to share the torque generated by the rotating shaft 20 when the rotating bracket 30 flips, avoiding the problem of the rotating shaft 20 being easily loosened due to the torque being concentrated between the fixed bracket 10 and the rotating shaft 20, and improving the stability of the rotating shaft 20.

[0042] See also Figure 2 Optionally, in one embodiment, the fixed bracket 10 includes a fixed seat 11 and a support member 12 disposed on the fixed seat 11, the support member 12 extends in a direction away from the fixed seat 11 and is provided with a mounting hole, and the rotating shaft 20 is passed through the mounting hole. Exemplarily, the rotating shaft 20 is a flat shaft, and the mounting hole is a non-circular hole matching the outer circumference of the rotating shaft 20, thereby preventing the rotating shaft 20 and the support member 12 from rotating relative to each other. Furthermore, one end of the rotating shaft 20 passes through the mounting hole and is rotatably connected to the rotating bracket 30, and the auxiliary kit 40 is sleeved on the other end of the rotating shaft 20, thereby preventing the auxiliary kit 40 from hindering the rotation of the rotating bracket 30.

[0043] Combination Figure 8 In one embodiment, the auxiliary kit 40 includes a seat 41 and a sleeve 42. The seat 41 is a hollow structure with one side open. The seat 41 is sleeved on the fixed seat 11 and fixedly connected to the fixed seat 11. In this way, the contact area between the auxiliary kit 40 and the fixed seat 11 is increased, and the stability of the auxiliary kit 40 is improved. Exemplarily, the seat 41 and the fixed seat 11 are fixed by anti-drop screws. Furthermore, the sleeve 42 is connected to the side of the fixed seat 11 away from the opening, and the sleeve 42 is sleeved on one end of the rotating shaft 20, thereby improving the stability of the rotating shaft 20.

[0044] Continue to see Figure 8 Optionally, in one embodiment, the sleeve 42 is a hollow arch-shaped shell structure. The sleeve 42 is provided with an end plate 421 at the end of the rotating shaft 20 in the length direction. The end plate 421 is provided with a fixing hole 422 matching the outer circumference of the rotating shaft 20. One end of the rotating shaft 20 is arranged in the fixing hole 422 and fits with the hole wall of the fixing hole 422. In this way, the sleeve 42 can wrap one end of the rotating shaft 20 through the fixing hole 422, increasing the fixing area and the force point of the rotating shaft 20, so as to share the torque generated by the rotating shaft 20 when the rotating bracket 30 flips.

[0045] Furthermore, combined with Figure 4 as well as Figure 5, the support member 12 includes a first support plate 121 and a second support plate 122, the first support plate 121 is connected to the fixing seat 11 and is attached to the inner wall of the end plate 421, the second support plate 122 is attached to the outer wall of the end plate 421, the mounting hole is opened in the second support plate 122, and the anti-loosening structure of the rotating shaft also includes a connecting member, the connecting member is passed through the first support plate 121, the end plate 421 and the second support plate 122 and fixes the first support plate 121, the end plate 421 and the second support plate 122. In this way, the support member 12 is connected and fixed to the sleeve 42, further increasing the stability of the fixing bracket 10 and the auxiliary kit 40. Exemplarily, the connecting member can be a non-drop screw. Further, the first support plate 121 and the fixing seat 11 can be an integrally formed structure, for example, the first support plate 121 and the fixing seat 11 can be integrally formed by bending a sheet metal part.

[0046] Continue to see Figure 8 , the outer wall of the end plate 421 is provided with a receiving groove 423, and the second support plate 122 is embedded in the receiving groove 423, so that the sleeve 42 can also wrap the outer periphery of the second support plate 122, thereby further improving the connection stability between the sleeve 42 and the second support plate 122. There are two support members 12, and the two support members 12 are arranged on the fixing seat 11 at intervals. There are two rotating shafts 20, and the two rotating shafts 20 are correspondingly inserted into the mounting holes of the two support members 12. The rotating bracket 30 includes two supporting legs 31, and the two supporting legs 31 are correspondingly connected to the two rotating shafts 20, and the two ends of the auxiliary kit 40 are correspondingly sleeved on the two rotating shafts 20. In this way, the force balance is ensured when the display screen 50 rotates, and the stability of the display screen 50 is further improved.

[0047] See also Figure 5 The rotating bracket 30 is rotatably sleeved on the rotating shaft 20, and the rotating shaft anti-loosening structure also includes a limit stopper 61, a friction pad 62 and a locking nut 63. The limit stopper 61 is fixedly connected to the rotating shaft 20 and abuts against one side of the rotating bracket 30. The friction pad 62 is sleeved on the rotating shaft 20 and abuts against the other side of the rotating bracket 30. The locking nut 63 is threadedly connected to the rotating shaft 20 and abuts against the side of the friction pad 62 away from the rotating bracket 30. The locking nut 63 can make the friction pad 62 press the rotating bracket 30, and then the friction between the friction pad 62 and the rotating bracket 30 can make the display screen 50 hover at any angle. When the angle of the display screen 50 needs to be adjusted, the display screen 50 or the rotating bracket 30 is rotated by force. When the force applied to the display screen 50 or the rotating bracket 30 is greater than the friction between the friction pad 62 and the rotating bracket 30, the display screen 50 can be rotated, thereby adjusting the angle of the display screen 50. An exemplary number of the friction pads 62 is multiple, and the multiple friction pads 62 are arranged along the axial direction of the rotating shaft 20 , thereby improving the stability of locking the rotating bracket 30 .

[0048] See Figure 6 and Figure 7 Figure 7 , the limiting flap 61 is provided with an arc-shaped groove 611. A convex portion 32 is provided on one side of the rotating bracket 30 close to the limiting flap 61. The convex portion 32 is arranged in the arc-shaped groove 611 and can be in limiting cooperation with the two groove walls of the arc-shaped groove 611 opposite to each other in the circumferential direction of the rotating shaft 20, so as to limit the rotatable range of the display screen 50. Exemplarily, the rounded angle corresponding to the arc-shaped groove 611 is 90°, and correspondingly, the rotatable range of the display screen 50 is 90°.

[0049] See Figure 1 Figure 1 , an embodiment of the present application further provides a display device, including a display screen 50 and the anti-loosening structure of the rotating shaft in any of the above embodiments. The display screen 50 is connected to the rotating bracket 30. Exemplarily, the display screen 50 and the rotating bracket 30 are fixedly connected by Loctite screws.

[0050] Another embodiment of the present application further provides an endoscope system. Specifically, an endoscope system in an embodiment includes the above display device. Further, the endoscope system further includes an endoscope body, and the endoscope body is electrically connected to the display device.

[0051] For the above display device and endoscope system, the auxiliary kit 40 is fixedly connected to the fixed bracket 10. At the same time, the auxiliary kit 40 is sleeved on the rotating shaft 20 and is attached to at least a part of the outer peripheral surface of the rotating shaft 20. Thereby, the fixing area and the force application point of the rotating shaft 20 are increased, so as to share the torque generated by the rotating shaft 20 when the rotating bracket 30 flips, avoiding the problem that the rotating shaft 20 is easily loosened due to the torque concentration between the fixed bracket 10 and the rotating shaft 20, improving the stability of the rotating shaft 20, and further improving the stability of the display screen 50.

[0052] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0053] The above embodiments only represent several implementation manners of the present application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several deformations and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A shaft anti-loosening structure, characterized in that, include: Fixed bracket; A rotating shaft, the rotating shaft is fixedly connected to the fixing bracket; A rotating bracket, the rotating bracket is rotatably connected to the rotating shaft; An auxiliary kit is fixedly connected to the fixing bracket, and the auxiliary kit is sleeved on the rotating shaft and fits with at least a part of the outer circumference of the rotating shaft.

2. The anti-loosening structure of the rotating shaft according to claim 1, wherein The fixed bracket includes a fixed seat and a support member arranged on the fixed seat, the support member extends in a direction away from the fixed seat and has a mounting hole, the rotating shaft is passed through the mounting hole, one end of the rotating shaft passes through the mounting hole and is rotatably connected to the rotating bracket, and the auxiliary kit is sleeved on the other end of the rotating shaft.

3. The anti-loosening structure of the rotating shaft according to claim 2, wherein The auxiliary kit includes a seat and a sleeve. The seat is a hollow structure with an opening on one side. The seat is sleeved on the fixed seat and fixedly connected to the fixed seat. The sleeve is connected to a side of the fixed seat away from the opening. The sleeve is sleeved on one end of the rotating shaft.

4. The anti-loosening structure of the rotating shaft according to claim 3, characterized in that, The sleeve is provided with an end plate at the end portion of the shaft in the length direction, the end plate is provided with a fixing hole matching the outer circumferential surface of the shaft, one end of the shaft is arranged in the fixing hole and fits in with the hole wall of the fixing hole; the support member includes a first support plate and a second support plate, the first support plate is connected to the fixing seat and fits in with the inner wall of the end plate, the second support plate fits in with the outer wall of the end plate, the mounting hole is provided in the second support plate, and the shaft anti-loosening structure also includes a connecting member, the connecting member is passed through the first support plate, the end plate and the second support plate and fixes the first support plate, the end plate and the second support plate.

5. The anti-loosening structure of the rotating shaft according to claim 4, characterized in that The outer wall of the end plate is provided with a receiving groove, and the second supporting plate is embedded in the receiving groove.

6. The anti-loosening structure of the rotating shaft according to claim 2, characterized in that, There are two support members, which are arranged on the fixing seat at intervals. There are two rotating shafts, which are respectively passed through the mounting holes of the two support members. The rotating bracket includes two legs, which are respectively rotatably connected to the two rotating shafts. Both ends of the auxiliary kit are respectively mounted on the two rotating shafts.

7. The anti-loosening structure of the rotating shaft according to claim 2, characterized in that The rotating bracket is rotatably mounted on the rotating shaft, and the rotating shaft anti-loosening structure also includes a limit baffle, a friction gasket and a locking nut. The limit baffle is fixedly connected to the rotating shaft and abuts against one side of the rotating bracket, the friction gasket is mounted on the rotating shaft and abuts against the other side of the rotating bracket, and the locking nut is threadedly connected to the rotating shaft and abuts against the side of the friction gasket facing away from the rotating bracket.

8. The anti-loosening structure of the rotating shaft according to claim 7, characterized in that, The limit baffle is provided with an arc-shaped groove, and a protrusion is provided on one side of the rotating bracket close to the limit baffle. The protrusion is arranged in the arc-shaped groove and can cooperate with two groove walls of the arc-shaped groove opposite to each other in the circumferential direction of the rotating shaft.

9. A display device, characterized in that, It comprises a display screen and a rotating shaft anti-loosening structure as claimed in any one of claims 1 to 8, wherein the display screen is connected to the rotating bracket.

10. An endoscope system, characterized in that, A display device comprising the display device according to claim 9.

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