A host, a connection structure between the host and a light guide part, and a control method

Abstract

The present invention discloses a host, a connection structure between the host and a light guide, and a control method, wherein a socket for inserting the light guide is provided on the host, and the host is also provided with a bracket and an unlocking button; a rotatable cantilever is provided on the bracket, and a lock shaft is hinged at one end of the cantilever, and the lock shaft passes through the bracket and extends into the socket; the other end of the cantilever is connected to the unlocking button, and a key switch is provided in the unlocking button, and the key switch is electrically connected to the host, and the key switch is located in the rotation stroke of the other end of the cantilever. The present invention can realize that the host outputs power and signals when the light guide is connected, and stops outputting power and signals when the light guide is unplugged.

Description

Technical Field

[0001] The present invention relates to an endoscope, and in particular to a host, a connection structure between the host and a light guide, and a control method. Background Art

[0002] For endoscope systems widely used in the medical field, such as Figure 1 As shown, the endoscope light guide 20 is inserted into the host 10 to form a connection structure between the endoscope host and the light guide. The connection structure requires a stable and reliable connection and ensures stable data transmission between the endoscope light guide and the host, and the host provides stable gas and illumination light to the light guide.

[0003] like Figure 2 As shown, in the prior art, there is a light guide connection part 201 on the endoscope light guide part 20, and a host connection part 101 on the host 10. The light guide connection part 201 and the host connection part 101 are fixedly connected by a snap ring. When the light guide connection part 201 is pulled out, the force diameter of the snap ring is reduced and it is disengaged from the card slot of the light guide connection part 201, completing the separation operation. With such a structure, after the endoscope light guide part 20 is pulled out, the optical communication output light of the host still emits outward, which may cause the output light to hit the human eye and cause damage; at the same time, after the endoscope light guide part 20 is pulled out, the host still sends a signal to the light guide part, which is not conducive to energy saving. That is, the existing structure cannot establish the process of optical communication and implement the control corresponding to the plugging and unplugging of the endoscope light guide part.

[0004] Therefore, those skilled in the art are committed to developing a connection structure between a host and a light guide portion that corresponds to the plugging and unplugging action of the light guide portion of an endoscope. Summary of the invention

[0005] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to provide a connection structure between a host and a light guide part corresponding to the plugging and unplugging action of the light guide part of an endoscope.

[0006] To achieve the above object, the present invention provides a host, the host is provided with a socket for inserting the light guide, the host is also provided with a bracket and an unlocking button;

[0007] The bracket is provided with a rotatable cantilever, one end of the cantilever is hinged with a lock shaft, and the lock shaft passes through the bracket and extends into the insertion hole;

[0008] The other end of the cantilever is connected to the unlocking button, and a key switch is provided in the unlocking button. The key switch is electrically connected to the host, and the key switch is located in the rotation stroke of the other end of the cantilever.

[0009] In order to allow the lock shaft to have an idle stroke, the middle part of the cantilever is hinged to the first pin shaft provided on the bracket, a second pin shaft is provided at one end of the cantilever, and a hinge hole cooperating with the second pin shaft is provided on the lock shaft, and the hinge hole is a waist-shaped hole.

[0010] In order to ensure that the key switch starts the host to output power and signals first, a key switch support block is also provided in the unlocking key, and gaps are provided between the key switch support block and the key switch, and between the key switch and the other end of the cantilever.

[0011] Furthermore, an elastic sheet is provided on one side of the key switch facing the key switch supporting block.

[0012] In order to reset the lock shaft, a limiting protrusion is provided on a section of the lock shaft located in the bracket, and a reset spring is provided between the limiting protrusion and the bracket.

[0013] In order to facilitate the insertion of the light guide part, a guiding inclined surface is provided at one end of the lock shaft extending into the insertion hole.

[0014] The present invention provides a connection structure between a host and a light guide part, wherein the host is the above-mentioned host, the light guide part is inserted into the jack, one end of the light guide part inserted into the jack is provided with a lock hole, and the lock shaft is inserted into the lock hole.

[0015] In order to start the host to output power and signals to the light guide part, a mirror end spring pin is provided on the light guide part, and a host end spring pin is provided in the socket of the host, and the host end spring pin contacts with the mirror end spring pin.

[0016] The present invention also provides a control method for a connection structure between a host and a light guide, wherein an unlocking button is arranged on the host;

[0017] When the light guide is inserted into the host, the host starts to output power and signals to the light guide, and a lock is formed between the light guide and the host;

[0018] When the unlock button is pressed, the host stops outputting power and signals to the light guide unit, and the light guide unit and the host are unlocked, and the light guide unit is pulled out of the host.

[0019] Preferably, when the unlock button is pressed, the host first stops outputting power and signals to the light guide portion, and then the light guide portion and the host are unlocked.

[0020] The beneficial effects of the present invention are as follows: the present invention can enable the host to judge whether the light guide part is connected, so that the host outputs power and signals when the light guide part is connected, and stops outputting power and signals when the light guide part is unplugged, that is, after the host and the light guide part are connected, if the unlock button is not pressed, the host and the light guide part will not be separated, thereby ensuring a stable and reliable connection; when the unlock button is pressed, the host stops supplying power and lighting to the light guide part, and stops optical communication. At this time, the light guide part can be unplugged from the host, and the host no longer emits any light to the outside, nor supplies power to the outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the connection structure between the host and the light guide part in the prior art.

[0022] Figure 2 It is a structural schematic diagram of the connection structure between the host and the light guide part in the prior art.

[0023] Figure 3 It is a three-dimensional schematic diagram of the host in the present invention.

[0024] Figure 4 It is a partial structural sectional view of the host in the present invention.

[0025] Figure 5 It is a partial structural schematic diagram of the host in the present invention.

[0026] Figure 6 It is a structural schematic diagram of the locking shaft in the host of the present invention.

[0027] Figure 7 It is a three-dimensional schematic diagram of the light guide part in the connection structure between the host and the light guide part of the present invention.

[0028] Figure 8 yes Figure 7 main view.

[0029] Fig. 9 It is a schematic diagram of the connection structure between the host and the light guide part of the present invention when the host and the light guide part are locked.

[0030] Fig.10 It is a schematic diagram of the connection structure between the host and the light guide part of the present invention when the host and the light guide part are unlocked.

[0031] Fig.11 It is a structural schematic diagram of the connection structure between the host and the light guide part of the present invention.

[0032] Fig.12 yes Fig.11 A magnified schematic diagram of the local P in the figure. DETAILED DESCRIPTION

[0033] The present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of 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 direction, be constructed and operated in a specific manner, and therefore cannot be understood as limiting the present invention. The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0034] A control method for a connection structure between a host and a light guide, wherein an unlocking button is arranged on the host;

[0035] When the light guide is inserted into the host, the host starts to output power and signals to the light guide, and a lock is formed between the light guide and the host;

[0036] When the unlock button is pressed, the host stops outputting power and signals to the light guide unit, and the light guide unit and the host are unlocked, and the light guide unit is pulled out of the host.

[0037] Furthermore, when the unlock button is pressed, the host first stops outputting power and signals to the light guide part, and then the light guide part and the host are unlocked.

[0038] like Figure 3-Figure 12 As shown, the above control method can be implemented by a connection structure between a host and a light guide, wherein the host 10 is provided with a jack for inserting the light guide 20; the host 10 is also provided with a bracket 114 and an unlocking button 111;

[0039] A rotatable cantilever 109 is provided on the bracket 114; a lock shaft 106 is hingedly connected to one end of the cantilever 109; the lock shaft 106 passes through the bracket 114 and extends into the insertion hole;

[0040] The other end of the cantilever 109 is connected to the unlock button 111; a key switch 110 is provided in the unlock button 111; the key switch 110 is electrically connected to the host 10; the key switch 110 is located in the rotation stroke of the other end of the cantilever 109, and is used to stop the host 10 from outputting power and signals.

[0041] In this embodiment, the middle part of the cantilever 109 is hinged to the first pin 108 provided on the bracket 114; a second pin 107 is provided at one end of the cantilever 109; a hinge hole 106a cooperating with the second pin 107 is provided on the lock shaft 106; the hinge hole 106a is a waist-shaped hole.

[0042] The unlock button 111 is also provided with a key switch support block 112; there are gaps between the key switch support block 112 and the key switch 110, and between the key switch 110 and the other end of the cantilever 109. There are two advantages of setting the gap in this way: 1. The travel of the unlock button 111 is better controlled, which is beneficial to the operation feel; 2. It ensures that the key switch 110 sends a signal to the host first, and then the lock shaft 106 is removed from the lock hole 206, ensuring that after the light guide part 20 is pulled out, the host 10 has stopped supplying power and light to the light guide part.

[0043] An elastic sheet 110a is provided on one side of the key switch 110 facing the key switch support block 112. In this embodiment, the elastic sheet 110a is elastic foam; the key switch 110 and the elastic sheet 110a are installed together in the lower groove of the unlocking key 111; the cantilever 109 is arranged in the upper groove of the unlocking key 111; and the key switch support block 112 is arranged below the elastic sheet 110a.

[0044] A stopper protrusion 106b is provided on a section of the lock shaft 106 located in the bracket 114; a reset spring 113 is provided between the stopper protrusion 106b and the bracket 114, which is conducive to the reset of the lock shaft 106.

[0045] One end of the lock shaft 106 extending into the socket is provided with a guiding inclined surface 106c, which is conducive to the light guide part being inserted into the socket of the host.

[0046] like Figure 7-Figure 12 As shown, in the connection structure between the host and the light guide part, the light guide part 20 is inserted into the socket; a locking hole 206 is provided at one end of the light guide part 20 inserted into the socket; and the locking shaft 106 is inserted into the locking hole 206 .

[0047] The light guide 20 is provided with a mirror end spring pin 202; the host end spring pin 102 is provided in the socket of the host 10; the host end spring pin 102 contacts the mirror end spring pin 202 to start the host 10 to output power and signals. The spring pin is elastic and is conducive to maintaining contact after wear.

[0048] In this embodiment, the end face of the light-guiding portion 20 facing the host 10 is also provided with a mirror-end optical communication interface 203 and a mirror-end gas path interface 204; the socket of the host 10 is provided with a host-end optical communication interface 103 for providing light for optical communication, a host-end gas path interface 104 for providing gas, and a host-end lighting light interface 105 for providing lighting light; the unlocking button 111 is located above these interfaces.

[0049] The working principle of the connection structure between the host and the light guide unit is as follows:

[0050] When the light guide 20 is inserted into the socket of the host 10, the lock shaft 106 can be lifted up and moved upward at the contact point of the guide inclined surface 106c of the lock shaft 106; since the hinge hole 106a on the lock shaft 106 is a waist-shaped hole, the cantilever 109 will not move in the idle stroke section of the waist-shaped hole, thereby preventing the key switch 110 from being triggered when the light guide 20 is inserted into the host 10; when the light guide 20 is inserted into place, the lock shaft 106 moves downward under the elastic force of the return spring 113; the lock shaft 106 is inserted into the lock hole 206 to complete the locking action; at the same time, The elastic pin 202 at the mirror body end contacts with the elastic pin 102 at the host end; the optical communication interface 203 at the mirror body end corresponds to the optical communication interface 103 at the host end; the lighting optical interface 205 at the mirror body end corresponds to the lighting optical interface 105 at the host end; after the elastic pin 102 at the host end contacts with the elastic pin 202 at the mirror body end, an in-situ monitoring signal is obtained, and the host 10 starts to supply power to the light guide part 20; the optical communication interface 203 at the mirror body end establishes communication with the optical communication interface 103 at the host end; the lighting optical interface 105 at the host end provides lighting light to the lighting optical interface 205 at the mirror body end.

[0051] When the unlock button 111 is pressed, the left end of the cantilever 109 is driven to move downward; when the cantilever 109 presses the key switch 110, the key switch 110 sends a signal to the host 10, and the host 10 cuts off the power to the light guide 20, stops optical communication, and stops providing illumination light. At this time, due to the existence of the elastic sheet 110a, the unlock button 111 can still move downward; but the pressing force will gradually increase until it can no longer be pressed, and its total stroke is greater than the distance between the lock shaft 106 and the lock hole 206; thereby achieving the purpose of first stopping the host 10 from outputting power and signals to the light guide 20, and then unlocking the light guide 20 and the host 10.

[0052] The preferred specific embodiments of the present invention are described in detail above. It should be understood that a person skilled in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. A host, wherein the host (10) is provided with a socket for inserting a light guide (20), characterized in that: The host (10) is also provided with a bracket (114) and an unlocking button (111); The bracket (114) is provided with a rotatable cantilever (109), one end of the cantilever (109) is hinged with a lock shaft (106), and the lock shaft (106) passes through the bracket (114) and extends into the insertion hole; The other end of the cantilever (109) is connected to the unlocking button (111), a key switch (110) is provided in the unlocking button (111), the key switch (110) is electrically connected to the host (10), and the key switch (110) is located in the rotation stroke of the other end of the cantilever (109); The unlocking button (111) is also provided with a button switch support block (112), and gaps are provided between the button switch support block (112) and the button switch (110), and between the button switch (110) and the other end of the cantilever (109); The total downward movement stroke of the unlocking button (111) is greater than the distance of engagement between the lock shaft (106) and the lock hole (206).

2. The host according to claim 1, characterized in that: The middle part of the cantilever (109) is hinged to a first pin shaft (108) provided on the bracket (114); one end of the cantilever (109) is provided with a second pin shaft (107); the lock shaft (106) is provided with a hinge hole (106a) that cooperates with the second pin shaft (107); and the hinge hole (106a) is a waist-shaped hole.

3. The host according to claim 1, characterized in that: An elastic sheet (110a) is provided on one side of the key switch (110) facing the key switch supporting block (112).

4. The host according to claim 1, characterized in that: A limiting protrusion (106b) is provided on a section of the lock shaft (106) located in the bracket (114), and a return spring (113) is provided between the limiting protrusion (106b) and the bracket (114).

5. The host according to claim 1, characterized in that: One end of the lock shaft (106) extending into the insertion hole is provided with a guiding inclined surface (106c).

6. A connection structure between a host and a light guide, characterized in that: The host is a host as claimed in any one of claims 1 to 5, the light guide part (20) is inserted into the socket, a locking hole (206) is provided at one end of the light guide part (20) inserted into the socket, and the locking shaft (106) is inserted into the locking hole (206).

7. The connection structure between the host and the light guide unit according to claim 6, characterized in that: The light guide portion (20) is provided with a mirror end spring pin (202), the insertion hole of the host (10) is provided with a host end spring pin (102), and the host end spring pin (102) is in contact with the mirror end spring pin (202).

8. A control method for a connection structure between a host and a light guide, using the host as claimed in any one of claims 1 to 5, characterized in that: Setting an unlock button on the host; When the light guide is inserted into the host, the host starts to output power and signals to the light guide, and a lock is formed between the light guide and the host; When the unlock button is pressed, the host stops outputting power and signals to the light guide unit, and the light guide unit and the host are unlocked, and the light guide unit is pulled out of the host.

9. The control method for the connection structure between the host and the light guide unit according to claim 8, characterized in that: When the unlock button is pressed, the host stops outputting power and signals to the light guide unit, and then the light guide unit and the host are unlocked.

Images