CN115163632A

CN115163632A - Connecting assembly and laryngoscope

Info

Publication number: CN115163632A
Application number: CN202210748696.0A
Authority: CN
Inventors: 杜云龙
Original assignee: Zhuhai Tongxin Electronic Technology Co ltd
Current assignee: Zhuhai Tongxin Electronic Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-11

Abstract

The application relates to the technical field of medical equipment, a coupling assembling and laryngoscope are provided, and this coupling assembling includes: the connecting seat is provided with a first jack and a first slot, and the first slot is provided with a first notch and a second notch; one end of the connecting head is inserted into the first jack, and a first limiting groove is formed in the connecting head; the first limiting piece comprises an inserting part and a first limiting part, one end of the inserting part can be inserted into the first slot through the first notch, the first limiting part is abutted against one end of the first limiting piece, and one part of the inserting part, which is close to the first jack, is also positioned in the first limiting groove; the second limiting piece is connected with one end of the inserting part, which is far away from the first limiting part; the two opposite ends of the first elastic telescopic piece are respectively abutted against the connecting seat and the second limiting piece. The connecting component can be used for conveniently detaching, separating and installing parts in contact with a human body and other parts.

Description

Coupling assembling and laryngoscope

Technical Field

The application relates to the technical field of medical equipment, especially, relate to a coupling assembling and laryngoscope.

Background

Some medical equipment often need contact with the human body when using, and often need carry out the soaking disinfection with the position that the human body contacted after finishing using to avoid virus and bacterium to remain, reduce cross infection's risk. For example, laryngoscopes generally comprise a handle, a main body, a lens and the like, the lens is inserted into the throat of a human body to be observed by holding the handle when the laryngoscope is used, and the lens and the handle are required to be soaked and disinfected after the laryngoscope is used.

Traditional medical equipment often will with the part and the components and parts components and parts components that the human body contacted setting, adopt the mode of dismantling the connection between the two, for example handle and host computer in the laryngoscope, this kind of mode of dismantling the connection can be come with handle and host computer split and soak the disinfection to the handle, nevertheless because handle and host computer often adopt connecting methods such as screw or bolt, it is all comparatively inconvenient when dismantling separation and installation with handle and other components and parts together.

Disclosure of Invention

The application provides a connecting assembly and a laryngoscope, so that parts contacting with a human body and other parts can be conveniently detached, separated and mounted together.

Embodiments of a first aspect of the present application provide a connection assembly, including:

the connecting base is provided with a first jack and a first slot positioned on one side of the first jack, the first slot is communicated with the first jack, the first slot penetrates through the connecting base and is provided with a first notch and a second notch which are opposite;

one end of the connector can be inserted into the first jack in a matched manner, a first limiting groove is formed in the outer surface of the connector, and the first limiting groove is located in the first jack;

the first limiting part comprises an inserting part and a first limiting part which are connected, one end of the inserting part, which is far away from the first limiting part, can be inserted into the first slot through the first notch in a matched mode, the first limiting part is abutted against one end, which is far away from the connector, of the first limiting part, and one part, which is close to the first jack, of the inserting part is also located in the first limiting groove;

the second limiting piece is connected with one end, far away from the first limiting part, of the insertion part; and

the two opposite ends of the first elastic expansion piece are respectively abutted against the connecting seat and the second limiting piece, the expansion direction of the first elastic expansion piece is parallel to the arrangement direction of the first notch and the second notch, and the second limiting piece can move in the direction close to the first limiting piece, so that the first elastic expansion piece is compressed under stress, and the insertion part is moved out of the first limiting groove.

In some embodiments, the first slot is disposed one on each of two opposite sides of the first receptacle; the two inserting parts are arranged at intervals and can be respectively inserted into the two first inserting grooves in a matched mode.

In some embodiments, the first position-limiting member further includes a reinforcing portion connected to an end of the inserting portion away from the second position-limiting member; the connecting seat is further provided with a reinforcing groove communicated with the first jack, the reinforcing part can be inserted into the reinforcing groove in a matched mode, and one part, close to the first jack, of the reinforcing part is further located in the first limiting groove.

In some embodiments, a first positioning groove is arranged on the connecting head, and a first positioning block matched with the first positioning groove is arranged in the first jack; or, a first positioning block is arranged on the connecting head, and a first positioning groove matched with the first positioning block is arranged in the first jack.

In some embodiments, an accommodating groove is disposed at an end of the first limiting member away from the connector, and the first limiting portion can be inserted into the accommodating groove in a matching manner.

In some embodiments, a sliding groove is disposed at an end of the connecting seat away from the first limiting member, the second notch is located on a bottom surface of the sliding groove, the second limiting member is slidably disposed in the sliding groove, and the first elastic expansion member is disposed between the bottom surface of the sliding groove and the second limiting member.

In some embodiments, a first limiting hole is formed in the bottom surface of the sliding chute, and one end of the first elastic expansion piece, which is far away from the second limiting piece, is located in the first limiting hole; and/or one surface of the second limiting part, which is close to the first limiting part, is provided with a second limiting hole, and one end of the first elastic expansion part, which is far away from the first limiting part, is located in the second limiting hole.

In some embodiments, a guide post is disposed in the sliding groove, the guide post is disposed along a direction parallel to the arrangement direction of the first notch and the second notch, one end of the guide post is fixedly connected to the connecting seat, the other end of the guide post is slidably connected to the second limiting member, the first elastic expansion member is a spring sleeved on the guide post, and two opposite ends of the spring respectively abut against a bottom surface of the sliding groove and a surface of the second limiting member close to the first limiting member.

In some embodiments, a first threaded hole is formed in a bottom surface of the sliding groove, a first through hole is formed in the second limiting member, the connecting assembly further comprises a first screw passing through the first threaded hole and the first through hole in a matched mode, and one end, far away from the first threaded hole, of the first screw is in sliding fit with the first through hole.

Embodiments of the second aspect of the present application provide a laryngoscope comprising:

the connection assembly of the first aspect;

one end of the handle is connected with the connector, and the other end of the handle is connected with a lens; and

the host computer, the host computer is connected with the connecting seat.

The embodiment of the application provides a coupling assembling, beneficial effect lies in: when the connecting seat is used, one of a part in contact with a human body and other parts can be connected with the connecting head, the other of the part in contact with the human body and other parts is connected with the connecting seat, two opposite ends of the first elastic expansion piece respectively abut against the connecting seat and the second limiting piece, one end of the first limiting piece is inserted into a first slot on the connecting seat through a first notch on the connecting seat and is connected with the second limiting piece, so that the second limiting piece can be moved in the direction close to the first limiting piece, one end of the connecting head is inserted into a first jack on the connecting seat and then is released, the second limiting piece is moved in the direction far away from the first limiting piece under the action of the first elastic expansion piece, a part of the inserting part close to the first jack is positioned in the first limiting groove, the connecting seat and the connecting head can be connected together, so that the part in contact with the human body and other parts can be quickly and conveniently connected together, when the connecting seat and the connecting head are required to be detached from the first limiting groove, the connecting seat and the connecting head can be detached from the connecting seat.

The beneficial effect of laryngoscope that this application provided compares prior art, compares prior art with the coupling assembling that this application provided, and this is no longer repeated here.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic view of the construction of a laryngoscope according to one embodiment of the present application;

FIG. 2 is a schematic structural view of the connection assembly in the laryngoscope shown in FIG. 1;

FIG. 3 is an exploded schematic view of the connection assembly shown in FIG. 2;

FIG. 4 is a top view of the linkage assembly shown in FIG. 2 in an exploded condition;

FIG. 5 is a right side view of the linkage assembly shown in FIG. 2 in an exploded condition;

FIG. 6 is a left side view of the linkage assembly shown in FIG. 2 in an exploded condition;

FIG. 7 is a schematic view of the handle and lens of the laryngoscope shown in FIG. 1;

FIG. 8 is an exploded view of the handle and lens of FIG. 7 taken along the line A-A;

FIG. 9 is an enlarged partial view of the handle and lens at J of FIG. 8;

FIG. 10 is a schematic view of the internal structure of the handle in the laryngoscope shown in FIG. 1;

FIG. 11 is a schematic view of the handle of the laryngoscope shown in FIG. 1;

FIG. 12 is a cross-sectional view of the handle of FIG. 11 taken along the line B-B;

FIG. 13 is an enlarged partial view of the L-section of the handle shown in FIG. 12;

FIG. 14 is an enlarged partial view of the handle shown in FIG. 12 at location M;

FIG. 15 is a schematic structural view of the outer sleeve of the handle of FIG. 11;

FIG. 16 is an enlarged partial view of the outer sleeve shown in FIG. 15 at location N;

FIG. 17 is a schematic view of a laryngoscope without a cartridge mounted therein according to one embodiment of the present application;

FIG. 18 is a cross-sectional view of the laryngoscope shown in FIG. 17 taken along the direction E-E;

FIG. 19 is an enlarged partial view of the portion P of the laryngoscope shown in FIG. 18;

FIG. 20 is an enlarged partial view of the portion Q of the laryngoscope shown in FIG. 18;

FIG. 21 is a schematic view of the arrangement of the laryngoscope shown in FIG. 17 with the latch mounted and the handle and lens omitted;

FIG. 22 is a cross-sectional view of the laryngoscope shown in FIG. 21 taken in the direction F-F;

FIG. 23 is an enlarged partial view of the X portion of the laryngoscope shown in FIG. 22;

FIG. 24 is a sectional view in the direction G-G of the laryngoscope shown in FIG. 21;

FIG. 25 is an enlarged partial view of the Y-site of the laryngoscope shown in FIG. 24;

FIG. 26 is a right side view of the laryngoscope shown in FIG. 17;

FIG. 27 is a cross-sectional view of the laryngoscope shown in FIG. 26 taken along the direction H-H;

fig. 28 is an enlarged partial view of the region Z of the laryngoscope shown in fig. 27.

The designations in the figures mean:

100. a laryngoscope; 10. a connecting assembly; 11. a connecting seat; 111. a first jack; 112. a first slot; 1121. a first notch; 1122. a second notch; 113. a reinforcing groove; 114. a containing groove; 115. a chute; 116. a first limit hole; 117. a first threaded hole; 118. a first positioning block; 12. a connector; 121. a first limit groove; 122. a first positioning groove; 13. a first limit piece; 131. a plug-in part; 132. a first limiting part; 133. a reinforcing portion; 14. a second limiting member; 141. a second limiting hole; 142. a first through hole; 143. a second through hole; 144. avoiding holes; 15. a first elastic expansion member; 16. a guide post; 17. a first screw; 18. a baffle plate; 20. a handle; 21. a mounting cavity; 22. inserting holes; 221. a second limit groove; 23. an installation port; 24. positioning holes; 25. an outer sleeve; 251. a socket; 252. a first outer bore; 253. a second outer aperture; 254. a third limiting groove; 255. a fourth limit groove; 256. a second positioning groove; 26. an inner sleeve; 261. a first inner bore; 262. a second inner bore; 263. a stop block; 264. a limiting flange; 27. a limiting component; 271. a limiting column; 2711. a first column; 2712. a second column; 272. a connecting plate; 28. a plug-in assembly; 281. inserting the column; 2811. a second jack; 282. a plugboard; 30. a lens; 31. a first connection portion; 311. a limiting block; 32. a stud; 33. a first wire guide hole; 34. a second positioning block; 40. a battery mounting assembly; 41. a battery compartment; 411. a placement groove; 4111. a third limiting hole; 412. an opening; 413. a third jack; 414. a second slot; 415. a first inner bore wall; 416. a first outer surface; 417. a third positioning groove; 418. a first guide groove; 419. a protrusion; 4191. a first hole; 42. a cover plate; 42a, a first inclined surface; 421. a first end; 422. a second end; 423. a rotating part; 4231. a second hole; 424. a third slot; 425. a third positioning block; 426. a second guide groove; 43. a clamping block; 43a, a second bevel; 431. a second limiting part; 432. a third limiting part; 433. a second connecting portion; 434. an auxiliary push-pull groove; 44. a conductive post; 45. a second elastic expansion member; 50. a display screen assembly; 60. a locking member; 61. a third threaded hole; 62. a locking groove; 63. a second wire guide hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Reference throughout this specification to "one embodiment," "some embodiments," or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In order to explain the technical solution of the present application, the following description is made with reference to the specific drawings and examples.

Referring to fig. 1, 2 and 3, an embodiment of the first aspect of the present application provides a connection assembly 10, which can be used in a laryngoscope 100, wherein the connection assembly 10 includes a connection seat 11, a connection head 12, a first retaining member 13, a second retaining member 14 and a first elastic expansion member 15.

Referring to fig. 4, 5 and 6, the connecting socket 11 is provided with a first insertion hole 111 and a first insertion groove 112 located at one side of the first insertion hole 111, the first insertion groove 112 is communicated with the first insertion hole 111, the first insertion groove 112 penetrates through the connecting socket 11, and the first insertion groove 112 has a first notch 1121 and a second notch 1122 opposite to each other.

It will be appreciated that the attachment socket 11 is connected to one of the body contacting component and the other component, and the connector 12 is connected to the other of the body contacting component or the other component, for example, the body contacting component is the lens 30 of the laryngoscope 100 or the barrel of the endoscope, and the other component may be the main unit, and when the connection assembly 10 is used in the laryngoscope 100, the attachment socket 11 is connected to the main unit of the laryngoscope 100.

One end of the connecting head 12 can be inserted into the first insertion hole 111 in a matching manner, the first insertion hole 111 limits the connecting head 12 in the radial direction of the first insertion hole 111, a first limiting groove 121 is arranged on the outer surface of the connecting head 12, and the first limiting groove 121 is located in the first insertion hole 111.

It is understood that the connector 12 is connected to the other one of the human body contacting part and the other parts, that is, when the connector holder 11 is connected to the human body contacting part, the other parts are connected to the connector 12, and the human body contacting part and the other parts are connected to each other through the connector 12 and the connector holder 11. For example, when the connection assembly 10 is used in a laryngoscope 100, the connection socket 11 is connected with the main body of the laryngoscope 100, the connector 12 is connected with the handle 20 of the laryngoscope 100, and the main body of the laryngoscope 100 and the handle 20 are connected together through the connector 12 and the connection socket 11.

The first limiting member 13 includes an inserting portion 131 and a first limiting portion 132 connected to each other, one end of the inserting portion 131 far from the first limiting portion 132 can be inserted into the first slot 112 through the first notch 1121 in a matching manner, the first limiting portion 132 abuts against one end of the first limiting member 13 far from the connector 12 to limit the inserting portion 131 to continuously move in the first slot 112 toward a direction close to the second limiting member 14, a portion of the inserting portion 131 close to the first insertion hole 111 is also located in the first limiting groove 121 to limit the connector 12 in an axial direction of the first insertion hole 111, so as to connect the connector 12 and the connector base 11 together, and the second limiting member 14 is connected to one end of the inserting portion 131 far from the first limiting portion 132.

It can be understood that the friction force between the first insertion hole 111 and the connection head 12 or the friction force between the first limiting groove 121 and the insertion part 131 can limit the connection head 12 in the circumferential direction of the first insertion hole 111 to prevent the connection head 12 from rotating in the first insertion hole 111.

It can be understood that a portion of the first limiting groove 121 extends in a direction parallel to the arrangement direction of the first notch 1121 and the second notch 1122, so that a portion of the insertion part 131 close to the first insertion hole 111 can be inserted into the first limiting groove 121.

It is understood that the end of the second limiting member 14 and the inserting portion 131 far away from the first limiting member 132 can be welded, adhered or connected by other methods.

Opposite ends of the first elastic expansion piece 15 respectively abut against the connecting seat 11 and the second limiting piece 14, an expansion direction of the first elastic expansion piece 15 is parallel to arrangement directions of the first notch 1121 and the second notch 1122, and the second limiting piece 14 can move toward a direction close to the first limiting piece 13, so that the first elastic expansion piece 15 is compressed under stress, and the insertion portion 131 is moved out of the first limiting groove 121.

Alternatively, the first elastic expansion member 15 may be a spring or rubber having elasticity.

In the connection assembly 10 provided in the embodiment of the present application, when in use, one of the component and other components contacting with the human body may be connected to the connector 12, and the other of the component and other components contacting with the human body is connected to the connector 11, because the two opposite ends of the first elastic expansion member 15 respectively abut against the connector 11 and the second limiting member 14, and one end of the first limiting member 13 is inserted into the first slot 112 on the connector 12 through the first notch 1121 on the connector 11 and is connected to the second limiting member 14, the second limiting member 14 can be moved in a direction approaching to the first limiting member 13, and then the second limiting member 14 is released after one end of the connector 12 is inserted into the first jack 111 on the connector 11, so that the second limiting member 14 moves in a direction away from the first limiting member 13 under the action of the first elastic expansion member 15, a part of the insertion portion 131 close to the first insertion hole 111 is located in the first limiting groove 121, so that the connection seat 11 and the connection head 12 can be connected together, thereby quickly and conveniently connecting a part in contact with a human body and other parts together, when the connection seat 11 and the connection head 12 need to be detached and separated, the second limiting member 14 only needs to be moved in a direction close to the first limiting member 13, so that the first elastic expansion member 15 is compressed under stress, the insertion portion 131 is moved out of the first limiting groove 121, the connection head 12 can be taken out of the first insertion hole 111 on the connection seat 11, the connection seat 11 and the connection head 12 are detached and separated, and therefore the part in contact with the human body and other parts can be detached and separated quickly and conveniently.

It is understood that the connecting assembly 10 of the present embodiment may also be applied to medical instruments, such as endoscopes, which require frequent detachment and installation of parts contacting with the human body and other parts.

Referring to fig. 4, 5 and 6, in some embodiments, in order to improve the tightness of the connection between the connection head 12 and the connection seat 11, the first insertion groove 112 is disposed on each of two opposite sides of the first insertion hole 111; two insertion parts 131 are arranged at intervals, and the two insertion parts 131 can be respectively inserted into the two first slots 112 in a matching manner. Thus, a part of each of the two insertion parts 131 is located in the first limiting groove 121, so that the connection head 12 and the connection base 11 can be connected more tightly.

Referring to fig. 3 and 4, alternatively, the first stopper groove 121 may extend around the axis of the first insertion hole 111. Therefore, the two insertion parts 131 can be inserted into the same first limiting groove 121, and the insertion parts 131 can be more conveniently inserted into the first limiting groove 121.

Referring to fig. 3, fig. 4 and fig. 5, in some embodiments, the first limiting member 13 further includes a reinforcing portion 133, and the reinforcing portion 133 is connected to an end of the inserting portion 131 far away from the second limiting member 14; the connecting socket 11 is further provided with a reinforcing groove 113 communicated with the first insertion hole 111, the reinforcing portion 133 can be inserted into the reinforcing groove 113 in a matching manner, and a portion of the reinforcing portion 133 close to the first insertion hole 111 is further located in the first limiting groove 121.

Through adopting above-mentioned scheme, can be so that reinforcing part 133 is close to the partly of first jack 111 and grafting portion 131 is close to the partly of first jack 111 and all is located first spacing groove 121 to can carry out spacing better to connector 12, improve the tightness of the connection of connector 12 and connecting seat 11.

It is understood that the insertion portion 131, the first position-limiting portion 132 and the reinforcing portion 133 may be integrally formed, such as integrally formed.

It can be understood that, when two insertion parts 131 and two first slots 112 are disposed at intervals, the two insertion parts 131 are respectively connected to two opposite ends of the reinforcing part 133, and two opposite ends of the first limiting groove 121 are respectively connected to the two first slots 112.

Referring to fig. 5 and fig. 6, in some embodiments, in order to further prevent the connector 12 from rotating in the first insertion hole 111, a first positioning groove 122 is disposed on the connector 12, and a first positioning block 118 is disposed in the first insertion hole 111 and matches with the first positioning groove 122; or, the connector 12 is provided with a first positioning block 118, and the first insertion hole 111 is provided with a first positioning groove 122 matching with the first positioning block 118.

In this embodiment, the connecting head 12 is provided with a first positioning groove 122, and the first insertion hole 111 is provided with a first positioning block 118 engaged with the first positioning groove 122.

Referring to fig. 3, fig. 4 and fig. 5, in some embodiments, an accommodating groove 114 is disposed at an end of the first limiting member 13 away from the connecting head 12, and the first limiting portion 132 can be inserted into the accommodating groove 114 in a matching manner.

By adopting the above scheme, the first limiting portion 132 can be accommodated in the accommodating groove 114, so that the first limiting portion 132 is prevented from colliding with a user, and the appearance of the connecting assembly 10 is improved.

It can be understood that, when two insertion portions 131 and two first slots 112 are disposed at an interval, two first limiting portions 132 may be disposed correspondingly, the two first limiting portions 132 are connected with the two insertion portions 131 respectively, and the two accommodating grooves 114 are communicated with the two first slots 112 respectively.

Referring to fig. 2, fig. 3 and fig. 6, in some embodiments, one end of the connecting base 11 away from the first limiting member 13 is provided with a sliding slot 115, the second slot 1122 is located on a bottom surface of the sliding slot 115, the second limiting member 14 is slidably disposed in the sliding slot 115, and the first elastic retractable member 15 is disposed between the bottom surface of the sliding slot 115 and the second limiting member 14.

By adopting the above scheme, the sliding groove 115 can be used for guiding and limiting the second limiting member 14 when the second limiting member 14 is moved in the direction approaching to or moving towards the first limiting member 13.

Referring to fig. 3, fig. 5 and fig. 6, in some embodiments, in order to prevent the first elastic expansion member 15 from moving after being compressed by a force and affecting the normal use of the connecting assembly 10, a first limiting hole 116 is disposed on the bottom surface of the sliding slot 115, and an end of the first elastic expansion member 15 away from the second limiting member 14 is located in the first limiting hole 116; and/or a second limiting hole 141 is formed in one surface of the second limiting member 14 close to the first limiting member 13, and one end of the first elastic expansion member 15 away from the first limiting member 13 is located in the second limiting hole 141. In this way, the first limiting hole 116 and the second limiting hole 141 can be used to limit the two ends of the first elastic expansion element 15, so as to prevent the first elastic expansion element from moving randomly.

Referring to fig. 3, fig. 5 and fig. 6 again, in some embodiments, a guiding post 16 is disposed in the sliding slot 115, the guiding post 16 is disposed along a direction parallel to the arrangement direction of the first notch 1121 and the second notch 1122, one end of the guiding post 16 is fixedly connected to the connecting seat 11, and the other end of the guiding post 16 is slidably connected to the second limiting member 14, for example, a position-avoiding hole 144 is disposed on the connecting seat 11, one end of the guiding post 16 far away from the connecting seat 11 slidably penetrates through the position-avoiding hole 144, the first elastic expansion member 15 is a spring sleeved on the guiding post 16, and two opposite ends of the spring respectively abut against a bottom surface of the sliding slot 115 and one surface of the second limiting member 14 close to the first limiting member 13.

Through adopting above-mentioned scheme, can use guide post 16 to lead and spacing to first elastic expansion piece 15, avoid taking place to buckle after first elastic expansion piece 15 atress, influence coupling assembling 10's normal use.

Referring to fig. 3, 4, 5 and 6, in some embodiments, a first threaded hole 117 is disposed on the bottom surface of the sliding groove 115, a first through hole 142 is disposed on the second limiting member 14, the connecting assembly 10 further includes a first screw 17 disposed in the first threaded hole 117 and the first through hole 142 in a matching manner, and one end of the first screw 17 away from the first threaded hole 117 is in sliding fit with the first through hole 142.

By adopting the above scheme, the second limiting piece 14 and the connecting seat 11 can be connected together, and the second limiting piece 14 is prevented from falling off from the connecting seat 11.

Optionally, an end cap of the second limiting member 14 away from the connecting seat 11 is provided with a baffle 18, and the baffle 18 covers the first screw 17 and the first through hole 142 to improve the aesthetic property of the connecting assembly 10.

Referring to fig. 3, 5 and 6, in some embodiments, one end of the insertion portion 131 close to the second limiting member 14 is provided with a second threaded hole (not shown), the second limiting member 14 is provided with a second through hole 143, and the connecting assembly 10 further includes a second screw (not shown) disposed in the second threaded hole and the second through hole 143 in a matching manner. In this way, the inserting portion 131 and the second limiting member 14 can be quickly connected together by the second screw.

Embodiments of the second aspect of the application provide a laryngoscope 100, the laryngoscope 100 comprising a connection assembly 10, a handle 20 and a host as in the first aspect.

One end of the handle 20 is connected with the connector 12, the other end of the handle 20 is connected with the lens 30, and the host is connected with the connecting seat 11.

It is understood that the laryngoscope 100 of the embodiment of the present application, the main body of the laryngoscope 100 and the handle 20 are connected together by the connector 12 and the connecting seat 11.

The laryngoscope 100 provided in this application embodiment, when in use, the handle 20 may be connected to the connector 12, and the host is connected to the connecting seat 11, because two opposite ends of the first elastic expansion piece 15 respectively abut against the connecting seat 11 and the second limiting piece 14, and one end of the first limiting piece 13 is inserted into the first slot 112 on the connector 12 through the first notch 1121 on the connecting seat 11 and is connected to the second limiting piece 14, so the second limiting piece 14 may be moved in a direction close to the first limiting piece 13, and then one end of the connector 12 is inserted into the first jack 111 on the connecting seat 11 and the second limiting piece 14 is released, the second limiting piece 14 moves in a direction away from the first limiting piece 13 under the action of the first elastic expansion piece 15, so that a portion of the insertion portion 131 close to the first jack 111 is located in the first limiting groove 121, the connecting seat 11 and the connector 12 may be connected together, thereby a component in contact with a human body may be quickly and conveniently connected to other components together, and when the connecting seat 11 and the connecting seat 12 need to be detached, the connector 11 may be detached from the connecting seat 11 and the connecting seat 11, and the connector 12 may be detached from the connecting seat 11 by a human body.

It will be appreciated that the host may include a battery mounting assembly 40, a battery and display screen assembly 50, and the like.

It will be appreciated that the host may also include a memory card or the like.

Referring to fig. 1, 7 and 8, in some embodiments, the handle 20 and the lens 30 are coupled together by a retaining member 60.

Referring to fig. 9 and 10, a mounting cavity 21 is provided in the handle 20, and a plug hole 22 communicating with the mounting cavity 21 is provided on the handle 20.

The lens 30 has a first connecting portion 31, one end of the first connecting portion 31 extends into the mounting cavity 21 through the insertion hole 22, and a partial surface of one end of the lens 30 close to the handle 20 is attached to one end of the handle 20 close to the lens 30, so as to limit the movement of the first connecting portion 31 in a direction close to the handle 20.

Retaining member 60 is disposed in installation cavity 21, and retaining member 60 is connected with first connecting portion 31, and the partial surface of retaining member 60 that is close to first connecting portion 31 still laminates with the inner cavity wall of installation cavity 21, restricts first connecting portion 31 and moves towards the direction of keeping away from handle 20 to link together handle 20 and lens 30.

By adopting the above scheme, when the handle 20 and the lens 30 are assembled, only one end of the first connecting portion 31 needs to extend into the mounting cavity 21 of the handle 20 through the inserting hole 22 on the handle 20, so that part of the surface of one end of the lens 30 close to the handle 20 is attached to one end of the handle 20 close to the lens 30, and then the first connecting portion 31 is connected to the locking member 60 placed in the mounting cavity 21, so that part of the surface of the locking member 60 close to the first connecting portion 31 is also attached to the inner cavity wall of the mounting cavity 21, and the handle 20 and the lens 30 can be tightly connected together, not only is the assembling process of the handle 20 and the lens 30 convenient, but also the part of the surface of one end of the lens 30 close to the handle 20 is attached to one end of the handle 20 close to the inner cavity wall of the mounting cavity 21 through the inserting hole 22 on the handle 20, and the locking member 60 connected to the first connecting portion 31 is also located in the mounting cavity 21, and part of the surface of the locking member 60 close to the first connecting portion 31 is also attached to the inner cavity wall of the mounting cavity 21, so that the handle 20 and the lens 30 are also attached to the inner cavity wall of the mounting cavity 21 after the assembly is completed.

It is understood that the laryngoscope 100 provided by the embodiments of the present application may further include a controller or other electronics, wherein the controller or other electronics are not shown in the figures.

It will be appreciated that the shape of retaining member 60 is not limited, retaining member 60 cannot be removed from the housing through insertion hole 22 and retaining member 60 cannot be moved in the axial direction of insertion hole 22 in mounting cavity 21, such as retaining member 60 can be directly fixed in mounting cavity 21.

It will be appreciated that the retaining member 60 and the first coupling portion 31 can be bonded, welded or otherwise mechanically connected.

It is understood that the locking member 60 can be first fixedly disposed in the mounting cavity 21, and then the locking member 60 can be connected to the first connecting portion 31; alternatively, one end of the first connecting portion 31 is inserted into the mounting cavity 21 through the insertion hole 22, and then the locking member 60 is placed in the mounting cavity 21 and connected to the first connecting portion 31.

Referring to fig. 9 and 10, in some embodiments, a stud 32 is disposed at an end of the first connecting portion 31 extending into the mounting cavity 21, and a third threaded hole 61 for matching with the stud 32 is disposed on the locking member 60; alternatively, one end of the first connecting portion 31 extending into the mounting cavity 21 is provided with a third threaded hole 61, and the locking member 60 is provided with a stud 32 engaged with the third threaded hole 61.

By adopting the above scheme, when the first connecting part 31 and the locking part 60 are connected together, only the stud 32 is screwed into the third threaded hole 61 in a matching manner, so that the operation is simple and the use is convenient.

In this embodiment, the first connecting portion 31 has a stud 32 at one end extending into the mounting cavity 21, and the locking member 60 has a third threaded hole 61 for engaging with the stud 32.

It will be appreciated that the first connecting portion 31 may be provided directly as the stud 32 at the end extending into the mounting cavity 21.

Referring to fig. 8 and 10, in some embodiments, the handle 20 is further provided with a mounting port 23 communicating with the mounting cavity 21. In this way, the first coupling portion 31 and the locker 60 can be more conveniently coupled together through the mounting hole 23.

Referring to fig. 8 and 9, in order to more conveniently fit and screw the stud 32 into the third threaded hole 61 when connecting the first connecting portion 31 and the locking member 60 together, in some embodiments, the mounting opening 23 is disposed opposite to the insertion hole 22, and a locking groove 62 is disposed on an end surface of the locking member 60 close to the mounting opening 23. Thus, the locking member 60 can be rotated by inserting a tool into the locking groove 62, which is time-saving, labor-saving and convenient.

Referring to fig. 8 and 9, in some embodiments, the locking grooves 62 are spaced around the axis of the third threaded hole 61, and the locking grooves 62 are distributed in a line shape or a cross shape. In this manner, the locking member 60 may be more easily rotated by a tool.

In this embodiment, four locking grooves 62 are provided at intervals around the axis of the third threaded hole 61, and the four locking grooves 62 are distributed in a cross shape.

Referring to fig. 8 and 9 again, in some embodiments, the first connecting portion 31 is provided with a first wire guide hole 33, the locking member 60 is provided with a second wire guide hole 63, and the second wire guide hole 63 is communicated with the first wire guide hole 33.

By adopting the scheme, the wires connecting the lens 30 and other components can be placed in the second wire hole 63 and the first wire hole 33, so that the wires are not easy to damage, and the structure of the laryngoscope 100 is more compact, beautiful and tidy.

Referring to fig. 7, 8 and 9, in some embodiments, the second wire guide 63 is in communication with the first wire guide 33 through the third threaded hole 61. Thus, wires connecting the lens 30 and other components can be further conveniently accommodated.

Referring to fig. 8, 9 and 10, in some embodiments, the inner hole wall of the insertion hole 22 is provided with a second limiting groove 221, and the first connecting portion 31 is provided with a limiting block 311 inserted into the second limiting groove 221 in a matching manner; or, the first connecting portion 31 is provided with a second limiting groove 221, and the inner hole wall of the inserting hole 22 is provided with a limiting block 311 inserted into the second limiting groove 221 in a matching manner.

By adopting the above scheme, the limiting block 311 can be inserted into the second limiting groove 221 in a matching manner to limit the relative rotation between the first connecting portion 31 and the inserting hole 22, so as to improve the fastening performance of the connection between the lens 30 and the handle 20.

In this embodiment, the inner hole wall of the insertion hole 22 is provided with a second limiting groove 221, and the first connecting portion 31 is provided with a limiting block 311 inserted into the second limiting groove 221 in a matching manner.

Referring to fig. 8, 9 and 10 again, in order to further limit the relative rotation between the first connecting portion 31 and the insertion hole 22, in some embodiments, a plurality of second limiting grooves 221 and limiting blocks 311 are disposed at intervals around the axis of the insertion hole 22.

In this embodiment, the second limiting grooves 221 and the limiting blocks 311 are uniformly arranged around the axis of the insertion hole 22 at four intervals.

Referring to fig. 8, 9 and 10, in some embodiments, a positioning hole 24 is disposed on a surface of the handle 20 near one end of the lens 30, the surface being coaxial with and in communication with the insertion hole 22, the positioning hole 24 is located on a side of the insertion hole 22 away from the mounting cavity 21, and a diameter of the positioning hole 24 is larger than a diameter of the insertion hole 22.

The lens 30 has a second positioning block 34 disposed on a surface thereof adjacent to an end of the handle 20, and the second positioning block 34 is inserted into the positioning hole 24.

By adopting the above scheme, when one end of the first connecting portion 31 extends into the mounting cavity 21 through the insertion hole 22, the second positioning block 34 is inserted into the positioning hole 24 in a matching manner to position the first connecting portion 31, so that the first connecting portion 31 is prevented from shaking.

Referring to fig. 1, 11 and 12, in some embodiments, the handle 20 includes an outer sleeve 25, an inner sleeve 26 and a stop assembly 27.

Referring to fig. 15 and 16, a socket 251 is formed at one end of the outer sleeve 25, a first outer hole 252 is formed in the outer sleeve 25, and the first outer hole 252 is a through hole and penetrates through the inner and outer cylindrical walls of the outer sleeve 25.

Referring also to fig. 13, the inner sleeve 26 is slidably inserted into the outer sleeve 25 through the socket 251, the outer sleeve 25 limits the inner sleeve 26 in a radial direction of the inner sleeve 26, the inner sleeve 26 is used for mounting electrical devices such as a circuit board and a patch plug, and the inner sleeve 26 is provided with a first inner hole 261, which may be a blind hole or a through hole. When the first inner hole 261 is a blind hole, the first inner hole 261 is recessed in the outer wall surface of the inner sleeve 26.

It will be appreciated that the electrical components such as the circuit board and adaptor plug may be mounted to the interior of the inner sleeve 26 by screws or may be directly bonded or welded to the interior of the inner sleeve 26.

One end of the stop assembly 27 may be inserted from the exterior of the outer sleeve 25 into the first outer bore 252 and the first inner bore 261 in sequence to connect the outer sleeve 25 and the inner sleeve 26 together. The stop assembly 27 stops the inner sleeve 26 in both the axial and circumferential directions of the inner sleeve 26 to prevent relative rotation and movement between the inner sleeve 26 and the outer sleeve 25.

By adopting the above scheme, because outer sleeve 25 is provided with socket 251 and the first outer hole 252 that runs through the inner tube wall of outer sleeve 25 and the outer tube wall, the inside of outer sleeve 25 is inserted in the one end of inner sleeve 26 through socket 251 slip, and be provided with first hole 261 on the outer tube wall of inner sleeve 26, so can install inside inner sleeve 26 with devices such as circuit board and patchplug earlier, the inside of outer sleeve 25 is inserted in the one end of inner sleeve 26 through socket 251 slip again, insert first outer hole 252 and first hole 261 in proper order the outside of outer sleeve 25 with the one end of spacing subassembly 27 at last, come outer sleeve 25 and inner sleeve 26 together and link together, also can fix devices such as circuit board and patchplug to the inside of outer sleeve 25 simultaneously, thereby can make between electrical device and the handle 20 assemble simple and convenient, and high efficiency.

It will be appreciated that both ends of the inner sleeve 26 may be provided with open mouths for mounting electrical components such as circuit boards and patch plugs to the interior of the inner sleeve 26.

Referring to fig. 12, 13, 15 and 16, in some embodiments, the first outer holes 252 and the first inner holes 261 are spaced at intervals; the position-limiting assembly 27 includes a plurality of position-limiting columns 271, and each position-limiting column 271 is inserted into a first outer hole 252 and a first inner hole 261 respectively from the outside of the outer sleeve 25. In this way, the inner sleeve 26 can be better restrained both axially and circumferentially of the inner sleeve 26 to avoid relative rotation and movement between the inner sleeve 26 and the outer sleeve 25.

In this embodiment, the position-limiting assembly 27 further includes a connecting plate 272, and an end of each position-limiting column 271 away from the outer sleeve 25 is connected to the connecting plate 272. Therefore, when the plurality of limiting columns 271 can be sequentially inserted into the plurality of first outer holes 252 and the plurality of first inner holes 261 from the outside of the outer sleeve 25 by only holding the connecting plate 272, the operation is simple, convenient and labor-saving.

Optionally, a third limiting groove 254 is formed in the outer wall surface of the outer sleeve 25, and the connecting plate 272 is fittingly inserted into the third limiting groove 254 to fix the position of the connecting plate 272.

Referring again to fig. 12, 13, 15 and 16, in some embodiments, the outer sleeve 25 is further provided with a second outer hole 253, the second outer hole 253 penetrates through the inner wall surface and the outer wall surface of the outer sleeve 25, and the second outer hole 253 is arranged opposite to the first outer hole 252.

The inner sleeve 26 is provided with a second inner hole 262, the second inner hole 262 is opposite to the first inner hole 261, and the first inner hole 261 and the second inner hole 262 both penetrate through the inner cylinder wall surface and the outer cylinder wall surface of the inner sleeve 26.

The handle 20 further includes a plug assembly 28, one end of the plug assembly 28 is inserted into the second outer hole 253 and the second inner hole 262 from the outside of the outer sleeve 25, and is in plug-fit with one end of the limiting assembly 27 inserted into the first inner hole 261.

By adopting the scheme, the inner sleeve 26 can be limited in the axial and circumferential directions of the inner sleeve 26 by using the limiting component 27 and the plug-in component 28 at the same time, so that the relative rotation and movement between the inner sleeve 26 and the outer sleeve 25 can be better avoided, and the connection strength of the inner sleeve 26 and the outer sleeve 25 is improved.

Referring to fig. 12, 13, 15 and 16, in some embodiments, the second outer holes 253 and the second inner holes 262 are spaced at intervals; the plug assembly 28 includes plug posts 281, each plug post 281 is inserted into one of the second outer holes 253 and one of the second inner holes 262 from the outside of the outer sleeve 25, and one end of the plug post 281 inserted into the second inner hole 262 is in plug fit with one end of the limiting post 271 inserted into the first inner hole 261. In this way, the inner sleeve 26 can be better restrained in the axial and circumferential directions of the inner sleeve 26 to avoid relative rotation and movement between the inner sleeve 26 and the outer sleeve 25.

In this embodiment, the plug assembly 28 further includes a plug plate 282, and an end of each plug post 281 remote from the outer sleeve 25 is connected to the plug plate 282. Therefore, the plurality of limiting columns 271 can be sequentially inserted into the plurality of first outer holes 252 and the plurality of first inner holes 261 from the outside of the outer sleeve 25 by only holding the inserting plate 282, and the operation is simple, convenient and labor-saving.

Optionally, a fourth limiting groove 255 is formed in the outer wall surface of the outer sleeve 25, and the insertion plate 282 is inserted into the fourth limiting groove 255 in a matching manner, so as to fix the position of the insertion plate 282.

Referring to fig. 12 and 13, in some embodiments, the restraint post 271 includes a first post 2711 and a second post 2712 connected coaxially, the second post 2712 having a diameter greater than the first post 2711; the end face of the insertion post 281 inserted into the second inner hole 262 is provided with a second insertion hole 2811, and the first post 2711 is inserted into the second insertion hole 2811 in a matching manner.

By adopting the scheme, the connection strength of the limiting column 271 and the inserting column 281 can be improved, and the separation of the limiting column 271 and the inserting column 281 is avoided.

Referring to fig. 11, 12 and 14, in some embodiments, the outer sleeve 25 has a second positioning groove 256 on the inner wall of the socket 251, and the inner sleeve 26 has a stop block 263 on the outer wall of the inner sleeve for cooperating with the second positioning groove 256; alternatively, the outer cylinder wall of the inner sleeve 26 is provided with a second positioning groove 256, and the outer sleeve 25 is provided with a stop block 263 matched with the second positioning groove 256 on the inner cylinder wall at the socket 251.

By adopting the above scheme, can set up the position stopping block 263 and carry out further spacingly in second constant head tank 256 to inner sleeve 26, avoid it to take place to rock at will in the inside of outer sleeve 25.

In this embodiment, the outer sleeve 25 has a second positioning groove 256 on the inner cylinder wall surface at the socket 251, and the inner sleeve 26 has a stop block 263 on the outer cylinder wall surface to cooperate with the second positioning groove 256.

Referring again to fig. 11, 12 and 14, in some embodiments, a position-limiting flange 264 is provided on the wall of the outer sleeve at an end of the inner sleeve 26 remote from the outer sleeve 25, and a part of the surface of the position-limiting flange 264 close to the outer sleeve 25 is abutted against a part of the surface of the outer sleeve 25 close to the position-limiting flange 264. In this way, the inner sleeve 26 can be limited in the axial direction of the inner sleeve 26 to avoid relative movement between the inner sleeve 26 and the outer sleeve 25.

It will be appreciated that laryngoscope 100 may further comprise a circuit board and an adapter plug, both of which are disposed inside inner sleeve 26, and lens 30 and display screen assembly 50 are disposed at opposite ends of handle 20, respectively, and electrically connected to circuit board and adapter plug, which are also electrically connected to display screen assembly 50, and circuit board and lens 30.

Optionally, the laryngoscope 100 may further comprise a control switch or the like electrically connected to the circuit board.

Referring to fig. 17 and 21, in some embodiments, the battery mounting assembly 40 includes a battery compartment 41, a cover plate 42, and a latch 43.

Referring to fig. 18 and fig. 19 together, a placing slot 411 for accommodating a battery is disposed inside the battery compartment 41, the placing slot 411 has an opening 412, the battery can be placed into the placing slot 411 through the opening 412, the battery can be taken out from the placing slot 411 through the opening 412, a third insertion hole 413 and a second insertion groove 414 are disposed on the battery compartment 41, the third insertion hole 413 and the second insertion groove 414 are both communicated with the placing slot 411, the third insertion hole 413 has a first inner hole wall 415, the battery compartment 41 has a first outer surface 416 opposite to the first inner hole wall 415, and the second insertion groove 414 penetrates through the first inner hole wall 415 and the first outer surface 416.

Referring to fig. 25 and fig. 26, the cover plate 42 is disposed on the opening 412 in a matching manner to limit the battery in the placing groove 411, so that the battery cannot be taken out from the placing groove 411 through the opening 412, the cover plate 42 has a first end 421 and a second end 422 opposite to each other, the first end 421 is provided with a rotating portion 423 and a third slot 424, the second slot 414 and the third slot 424 are opposite to each other and are communicated with each other, the rotating portion 423 is rotatably connected with the battery compartment 41, and the cover plate 42 can rotate relative to the battery compartment 41 through the rotating portion 423.

Referring to fig. 22 and 23, the latch 43 includes a second limiting portion 431 and a third limiting portion 432 disposed at an interval, and a second connecting portion 433 connecting the second limiting portion 431 and the third limiting portion 432, the second connecting portion 433 is disposed in the second slot 414 in a sliding manner, the second limiting portion 431 is disposed in the third insertion hole 413 in a sliding manner, the first inner hole wall 415 is attached to a surface of the second limiting portion 431 close to the second connecting portion 433, and both the first outer surface 416 and a surface of the first end 421 far from the opening 412 are attached to a surface of the third limiting portion 432 close to the second connecting portion 433, so as to limit the cover plate 42 and the battery compartment 41 to rotate relatively through the rotating portion 423, and ensure that the cover plate 42 is disposed on the opening 412 in a matching manner, so as to limit the battery in the placement slot 411.

The second connecting portion 433 can slide into the third slot 424 from the second slot 414, so that the first outer surface 416 and one surface of the third limiting portion 432 close to the second connecting portion 433 are separated, and the cover plate 42 can rotate relative to the battery compartment 41 through the rotating portion 423, so that the cover plate 42 is no longer covered on the opening 412, and the battery can be taken out from the placing slot 411 through the opening 412.

It is understood that the second connecting portion 433 and the second slot 414 may be connected in a transition fit manner, and the second connecting portion 433 and the third slot 424 may be connected in a clearance fit manner or a transition fit manner.

It can be understood that after the battery is taken out from the placing groove 411 through the opening 412, another battery can be placed into the placing groove 411, the cover plate 42 is rotated by the rotating portion 423 to be covered on the opening 412 again by the cover plate 42, and finally the second connecting portion 433 only needs to be slid into the second slot 414 from the third slot 424.

By adopting the above-mentioned scheme, because the third insertion hole 413 and the second insertion groove 414 are arranged on the battery compartment 41, and the rotating portion 423 and the third insertion groove 424 are arranged on the first end 421 of the cover plate 42, the second connecting portion 433 can be slidably arranged in the second insertion groove 414, the second limiting portion 431 is arranged in the third insertion hole 413 with a gap, the first inner hole wall 415 is attached to one surface of the second limiting portion 431 close to the second connecting portion 433, one surfaces of the first outer surface 416 and the first end 421 far away from the opening 412 are both attached to one surface of the third limiting portion 432 close to the second connecting portion 433, so as to limit the cover plate 42 and the battery compartment 41 from rotating relative rotation through the rotating portion 423, ensure that the cover plate 42 is covered on the opening 412 in a matching manner, so as to limit the battery in the placing groove 411, when the battery needs to be taken out from the placing groove 411, the second connecting portion 433 only needs to be slid into the third insertion groove 424 from the second insertion groove 414, so that the first outer surface 416 and the third limiting portion 432 are separated from the second connecting portion 433 through the rotating portion 423, so that the cover plate 42 and the opening 412 can be removed from the placing groove 411 easily, and the whole placing groove 412 can be conveniently. The battery installation component 40 provided by the embodiment of the application has the advantages of simple structure, simple and convenient process of disassembling and installing the battery, time saving and labor saving.

The battery mounting assembly 40 provided by the embodiments of the present application may be used with laryngoscopes 100, endoscopes, or similar medical or non-medical devices where removal and installation of batteries is desired.

Referring to fig. 18 and 20, in some embodiments, the second end 422 is provided with a third positioning block 425, and the third positioning block 425 is clamped on the sidewall of the placing slot 411 at the opening 412. In this way, when the cover plate 42 is fitted to the opening 412, the third positioning block 425 is engaged with the inner wall of the placement groove 411, thereby further fixing the cover plate 42.

Referring to fig. 18, fig. 19 and fig. 23 again, in some embodiments, the side wall of the placing slot 411 at the opening 412 is provided with a third positioning slot 417, and the third positioning block 425 is fittingly snapped into the third positioning slot 417. In this manner, the second end 422 and the opening 412 can be positioned well by fitting the third positioning block 425 into the third positioning groove 417.

Referring to fig. 17 to 23, in some embodiments, at least two third insertion holes 413 and at least two second insertion grooves 414 are disposed at intervals, and the third insertion groove 424 and the latch 43 are disposed corresponding to the second insertion groove 414.

By adopting the above scheme, at least two locking blocks 43 can be used to limit the relative rotation of the cover plate 42 and the battery compartment 41 through the rotating part 423, so as to prevent the cover plate 42 and the battery compartment 41 from rotating relative to each other when the cover is disposed on the opening 412.

Referring to fig. 18, 19, 22 and 23, in some embodiments, the battery compartment 41 is provided with a first guide groove 418, the first outer surface 416 is a groove bottom surface of the first guide groove 418, and the third limiting portion 432 is slidably received in the first guide groove 418.

By adopting the above scheme, the latch 43 can be well guided when the second connecting part 433 slides from the second slot 414 into the third slot 424 and the second connecting part 433 slides from the third slot 424 into the second slot 414.

Referring to fig. 18, 19, 22 and 23 again, in some embodiments, the first end 421 has a second guiding groove 426, the second inserting groove 414 is disposed on the bottom surface of the second guiding groove 426, and the third limiting portion 432 is slidably received in the second guiding groove 426.

Optionally, when the second connecting portion 433 slides from the second slot 414 to the third slot 424, the third limiting portion 432 is entirely located in the second guiding slot 426, so as to prevent the protruding portion of the third limiting portion 432 from colliding with the user.

Optionally, the cover plate 42 is provided with a first inclined surface 42a, one end of the third limiting portion 432 away from the second slot 414 is provided with a second inclined surface 43a, and after the second connecting portion 433 slides from the second slot 414 into the third slot 424, the first inclined surface 42a and the second inclined surface 43a are coplanar.

Referring to fig. 18 and 22, in some embodiments, an auxiliary push-pull groove 434 is disposed on a surface of the second position-limiting portion 431 away from the second connecting portion 433. As such, the latch 43 can be better moved by the auxiliary push-pull groove 434 when the second connecting portion 433 slides from the second slot 414 into the third slot 424 and the second connecting portion 433 slides from the third slot 424 into the second slot 414.

Referring to fig. 24 to 27, in some embodiments, the battery compartment 41 is provided with a protrusion 419, and the protrusion 419 is provided with a first hole 4191; the rotating part 423 is provided as a groove, the protrusion 419 is inserted into the groove with a gap, and at least one side wall of the groove is provided with a second hole 4231; the battery mounting assembly 40 further includes a connecting pin (not shown) that fits through the first and

second apertures

4191, 4231, where the first and

second apertures

4191, 4231 coincide.

By adopting the scheme, the cover plate 42 and the battery compartment 41 can be connected together more conveniently.

It is understood that a groove may be provided on the battery case 41 and the rotating portion 423 may be provided as the protrusion 419.

Referring to fig. 26 to fig. 28, in some embodiments, third limiting holes 4111 are disposed on two opposite sidewalls of the placing slot 411, a conductive pillar 44 is slidably disposed in each of the third limiting holes 4111, the two conductive pillars 44 are respectively used for electrically connecting to a positive electrode and a negative electrode of the battery, a second elastic expansion member 45 is disposed between the conductive pillar 44 and a bottom of the third limiting hole 4111, and an expansion direction of the second elastic expansion member 45 is parallel to a connection line direction of the two conductive pillars 44.

Through adopting above-mentioned scheme, not only be convenient for install the battery in standing groove 411, still make to lead the area of contact of electrical pillar 44 and battery just, the negative pole bigger, be convenient for more electrically conductive, and second elastic expansion member 45 sets up in third spacing hole 4111, can improve the life of second elastic expansion member 45.

Alternatively, the second elastic expansion member 45 may employ a spring or elastic rubber, etc.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. A connection assembly, comprising:

the connecting device comprises a connecting seat, a first inserting hole and a first inserting groove, wherein the first inserting groove is positioned on one side of the first inserting hole and communicated with the first inserting hole, the first inserting groove penetrates through the connecting seat, and the first inserting groove is provided with a first notch and a second notch which are opposite;

the first limiting piece comprises an inserting part and a first limiting part which are connected, one end of the inserting part, which is far away from the first limiting part, can be inserted into the first slot through the first notch in a matched mode, the first limiting part abuts against one end, which is far away from the connector, of the first limiting part, and one part, which is close to the first jack, of the inserting part is also located in the first limiting groove;

the two opposite ends of the first elastic telescopic piece are respectively abutted against the connecting seat and the second limiting piece, the telescopic direction of the first elastic telescopic piece is parallel to the arrangement direction of the first notch and the second notch, and the second limiting piece can move towards the direction close to the first limiting piece, so that the first elastic telescopic piece is compressed under stress, and the inserting part is moved out of the first limiting groove.

2. The connection assembly according to claim 1 wherein the first socket is disposed one on each of opposite sides of the first receptacle; the two inserting parts are arranged at intervals and can be respectively inserted into the two first inserting grooves in a matched mode.

3. The connecting assembly of claim 2, wherein the first retaining member further comprises a reinforcing portion connected to an end of the insertion portion remote from the second retaining member; the connecting seat is further provided with a reinforcing groove communicated with the first jack, the reinforcing part can be inserted into the reinforcing groove in a matched mode, and one part, close to the first jack, of the reinforcing part is further located in the first limiting groove.

4. The connecting assembly according to claim 1, wherein a first positioning groove is formed in the connecting head, and a first positioning block matched with the first positioning groove is arranged in the first jack; or, a first positioning block is arranged on the connecting head, and a first positioning groove matched with the first positioning block is arranged in the first jack.

5. The connecting assembly according to claim 1, wherein an end of the first position-limiting member away from the connector is provided with a receiving groove, and the first position-limiting portion is fittingly insertable into the receiving groove.

6. The connecting assembly according to any one of claims 1 to 5, wherein a sliding groove is disposed at an end of the connecting base away from the first limiting member, the second slot is located on a bottom surface of the sliding groove, the second limiting member is slidably disposed in the sliding groove, and the first elastic expansion member is disposed between the bottom surface of the sliding groove and the second limiting member.

7. The connecting assembly according to claim 6, wherein a first limiting hole is formed in a bottom surface of the sliding groove, and an end of the first elastic expansion member, which is far away from the second limiting member, is located in the first limiting hole; and/or one surface of the second limiting part, which is close to the first limiting part, is provided with a second limiting hole, and one end of the first elastic telescopic part, which is far away from the first limiting part, is positioned in the second limiting hole.

8. The connecting assembly according to claim 6, wherein a guide post is disposed in the sliding groove, the guide post is disposed along a direction parallel to the arrangement direction of the first notch and the second notch, one end of the guide post is fixedly connected to the connecting seat, the other end of the guide post is slidably connected to the second limiting member, the first elastic expansion member is disposed as a spring sleeved on the guide post, and two opposite ends of the spring respectively abut against a bottom surface of the sliding groove and a surface of the second limiting member close to the first limiting member.

9. The connecting assembly according to claim 6, wherein a first threaded hole is formed in a bottom surface of the sliding groove, a first through hole is formed in the second limiting member, the connecting assembly further comprises a first screw passing through the first threaded hole and the first through hole in a matched manner, and one end, far away from the first threaded hole, of the first screw is in sliding fit with the first through hole.

10. A laryngoscope, characterized in that it comprises:

the connection assembly of any one of claims 1 to 9;

the host computer, the host computer is connected with the connecting seat.