CN218626761U - Sealing member and operating lamp - Google Patents

Abstract

A sealing element and an operating lamp are used for being filled in a gap formed between two opposite walls, the sealing element comprises a main body part, a first clamping groove and a second clamping groove are arranged on the main body part, and the first clamping groove and the second clamping groove are positioned on two sides of the main body part and are used for being clamped on the two walls; the first blocking portion and the first stopping portion are formed on two sides of the first clamping groove, and a guide surface which is inclined or bent towards one side of the first blocking portion is arranged on one side, back to the first blocking portion, of the first stopping portion so as to provide guidance for the first stopping portion to be clamped into the gap from one side of the gap.

Description

Sealing member and operating lamp

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a sealing member and operating lamp.

Background

The operating lamp is a lamp used in an operation, a gap between the two shells is filled by the silica gel strip which is abutted between the two shells under a general condition, the waterproof performance is achieved, the silica gel strip needs to be embedded into the operating lamp in the assembling process of the two shells, and the existing silica gel strip structure is poor in waterproof performance and extremely poor in assembly performance.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sealing member and operating lamp can be through the spigot surface fast with first position stopping portion card go into the clearance that forms between two relative walls, has the guide effect, has made things convenient for the installation of sealing member greatly, has also ensured the sealing performance of sealing member.

According to a first aspect of the present invention, the present invention provides a sealing member for filling a gap formed between two opposite walls, the sealing member comprising a main body portion, the main body portion being provided with a first clamping groove and a second clamping groove, the first clamping groove and the second clamping groove being located on both sides of the main body portion for being clamped on the two walls;

the first blocking part and the first stopping part are formed on two sides of the first clamping groove, and a guide surface which inclines or bends towards one side of the first blocking part is arranged on one side, back to the first blocking part, of the first stopping part so as to provide guidance for the first stopping part to be clamped into the gap from one side of the gap.

In an embodiment of the present invention, the guide surface is an inclined surface or an arc surface.

The utility model relates to an embodiment's sealing member, the main part is back to first barrier portion, and with a side of spigot surface homonymy is first side, the inside of main part is formed with the vestibule that the cross-section is ellipse circular, and ellipse circular's vestibule has major axis and minor axis, the major axis of vestibule with the contained angle of the first side of main part is obtuse angle or acute angle.

The utility model discloses an embodiment's in the sealing member, the major axis orientation of vestibule one side slope of first stop part, just the inclination of major axis is greater than the inclination of spigot surface.

In an embodiment of the present invention, the cavity has a major axis and a minor axis, and a length ratio of the major axis to the minor axis is greater than or equal to 1.2.

In an embodiment of the present invention, the main body is located on a side of the first blocking portion opposite to the guiding surface, and the side is a second side, and the center of the second side is located between the end of the long shaft and the center of the long shaft.

The utility model discloses an in the sealing member of embodiment, first draw-in groove and/or the bottom of second draw-in groove extends to the notch of the draw-in groove that separately locates has waterproof muscle.

The utility model discloses an embodiment's sealing member, the width that waterproof muscle extends to the notch of each place draw-in groove reduces gradually and forms the shape that the cross-section is triangle-shaped.

The utility model discloses an embodiment in the sealing member, be located waterproof muscle is first waterproof muscle in the first draw-in groove, distance between first waterproof muscle and the first stop part is greater than distance between first waterproof muscle and the first stop part.

The utility model discloses an embodiment's sealing member, the bottom of first draw-in groove is equipped with the depressed part, the bottom surface between the relative first waterproof muscle of depressed part and the first position portion that ends is sunken.

In an embodiment of the present invention, the two sides of the second slot are formed with a second stopping portion and a second stopping portion, and one of the two walls forming the gap is clamped between the second stopping portion and the second stopping portion, and the other wall is clamped between the first stopping portion and the first stopping portion.

In an embodiment of the present invention, a distance between the first stopper and the first stopper is greater than a wall thickness of the wall therebetween; and/or the distance between the second stop and the second stop is greater than the wall thickness of the wall between the two.

In an embodiment of the present invention, an extension length of the first blocking portion is greater than an extension length of the first stopper portion; and/or the extension length of the second blocking part is smaller than that of the second stop part.

In an embodiment of the present invention, the free end of the first blocking portion is bent toward the first stopper portion.

In an embodiment of the sealing member of the present invention, the main body is a silicone strip made of a silicone material; and/or the Shore hardness of the main body part is 45-55 degrees.

According to the second aspect of the present invention, the present invention further provides an operating lamp, including a housing and the above-mentioned sealing member, the housing includes a first housing and a second housing, the first slot of the sealing member is embedded in the wall of the first housing, the second slot of the sealing member is embedded in the wall of the second housing, and the first blocking portion is located outside the first housing.

In the operating lamp according to an embodiment of the present invention, the bottom of the first slot and/or the second slot extends to the notch of the slot where the first slot and/or the second slot are located, the waterproof rib in the first slot is a first waterproof rib, the waterproof rib in the second slot is a second waterproof rib, and when the sealing member is mounted on the housing, the first waterproof rib on the first slot is in interference fit with the wall of the first housing, and the interference is less than 2mm; and/or the second waterproof rib on the second clamping groove is in interference fit with the wall of the second shell, and the interference magnitude is smaller than 2mm.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs a sealing member and operating lamp, including the main part, is equipped with first draw-in groove and second draw-in groove on the main part, can the joint in the clearance that forms between two relative walls.

Specifically, the both sides of first draw-in groove are formed with first stop part and first position portion that ends, and first position portion that ends is equipped with the spigot surface in one side back to first stop part, and the spigot surface is towards first stop part lopsidedness or bending, can be followed one side card income clearance in clearance for first position portion that ends and then stretch out to the clearance opposite side and provide the direction for first position portion that ends can block in the clearance fast, has made things convenient for the installation of sealing member greatly, can ensure the sealing performance of sealing member again simultaneously.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic diagram of two interconnected housings provided by an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of the seal of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the seal of FIG. 2 during installation in two housings;

fig. 4 is a schematic cross-sectional view of the seal of fig. 2 mounted in a housing.

Description of reference numerals:

100. a seal member;

10. a main body part;

20. a first card slot; 21. a first blocking portion; 22. a first stopper portion; 23. a guide surface; 24. a first waterproof rib; 25. a recessed portion;

30. a second card slot; 31. a second blocking portion; 32. a second stopper portion; 33. a second waterproof rib;

40. a bore; 40a, a minor axis; 40b, long axis;

200. a housing;

201. a first housing; 2011. a third groove; 2012. a first groove; 2013. a first side wall;

202. a second housing; 2021. a second groove; 2022. a second side wall;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only, and it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description only, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application. 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 to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to 4, according to a first aspect of the present application, there is provided a sealing member 100 for filling a gap formed between two opposite walls, wherein the sealing member 100 includes a main body 10, and a first card slot 20 and a second card slot 30 are provided on the main body 10, wherein the first card slot 20 and the second card slot 30 are located on two sides of the main body 10 and are used for being clamped on the opposite walls of two shells 202 to fill the gap at the joint of the two shells 202.

Illustratively, the gap formed between two opposite walls refers to a gap formed between two opposite walls of two shells 200 at a connection, where the two shells 200 are a first shell 201 and a second shell 202, the first shell 201 has a first sidewall 2013 and a third sidewall, a first groove 2012 is formed between the first sidewall 2013 and the third sidewall, the second shell 202 has a second sidewall 2022, a second groove 2021 is formed between the second sidewall 2022 and the third sidewall, a third groove 2011 is formed between the first groove 2012 and the second groove 2021, a space between the first sidewall 2013 and the sidewall 2022 forms the gap, and the first sidewall 2013 and the second sidewall 2022 form the walls forming the gap. In this embodiment, the main body 10 is accommodated in the third recess 2011, the first locking groove 20 is locked on the first side wall 2013, and the second locking groove 30 is locked on the second side wall 2022, so as to ensure the stability of the sealing member after being connected to the first casing 201 and the second casing 202, and therefore, the sealing effect is good, and the sealing member is safe and reliable.

In an alternative embodiment, a first blocking portion 21 and a first stop portion 22 are formed at two sides of the first slot 20, the first blocking portion 21 is located outside the first side wall 2013, and the first stop portion 22 is located in the first recess 2012. In the present embodiment, the first stopping portion 22 is provided with a guiding surface 23 on a side opposite to the first stopping portion 21, the guiding surface 23 is inclined or bent toward one side of the first stopping portion 21, and can provide guiding for the first stopping portion 21 to be clamped into the gap from one side of the gap and then extend out to the other side of the gap, so that the first stopping portion 21 can be quickly clamped into the gap, which greatly facilitates the installation of the sealing element, and can ensure the sealing performance of the sealing element.

The free end of the first blocking portion 21 is bent towards one side of the first stopping portion 22, the guide surface 23 is arranged back to the first blocking portion 21, the shape of the guide surface can be an inclined surface or an arc surface, a guide effect is achieved, the sealing element can be clamped into the gap quickly, deformation of the first stopping portion 22 can be recovered after the sealing element is clamped into the gap, and sealing performance of the sealing element is guaranteed.

After the technical scheme is adopted, after the first shell 201 is connected with the second shell 202, the sealing element 100 is installed in a gap formed between the first shell 201 and the second shell 202, wherein the main body 10 is accommodated in the third groove 2011, the first clamping groove 20 is clamped on the first side wall 2013, and the second clamping groove 30 is clamped on the second side wall 2022, so that not only is the assemblability of the sealing element 100 ensured, but also the first clamping groove 20 and the second clamping groove 30 can be respectively clamped on the first side wall 2013 and the second side wall 2022, the stability of the sealing element 100 between the first shell 201 and the second shell 202 is improved, and the sealing element 100 is prevented from being pulled out or pulled out; meanwhile, the sealing performance of the sealing element 100 is ensured, and the dustproof and waterproof effects are achieved.

Specifically, since the first blocking portion 21 and the first stop portion 22 are formed on two sides of the first engaging groove 20, and the guide surface 23 extending to the middle of the main body portion 10 is disposed on one side of the first stop portion 22, the assembling of the sealing member 100 is facilitated, and the sealing performance of the sealing member 100 can also be ensured.

Exemplarily, after the second card slot 30 is clamped on the second side wall 2022, the guide surface 23 abuts against the outer side of the first side wall 2013 and presses the side of the main body 10 close to the first stopper 21, the first stopper 22 is gradually deformed at the end of the guide surface 23 far away from the main body 10 and clamped in the first groove 2012, and the first stopper 21 abuts against the first side wall 2013 outside the first groove 2012 to seal the sealing performance between the main body 10 and the first housing 201.

In an alternative embodiment, the first stop portion 22 is provided with a clamping surface in an inclined or arc surface on the opposite side of the guiding surface 23, the clamping surface and the guiding surface 23 form two side surfaces of the first stop portion 22, and the distance between the two side surfaces gradually decreases from the main body portion 10 to the direction away from the main body portion 10, so as to ensure that the first stop portion 22 can be rapidly deformed under extrusion and can be restored to be deformed after being clamped with the first groove 2012, and at the same time, ensure the stability of the connection of the first stop portion 22 in the first groove 2012, that is, the width of the first stop portion 22 at the position close to the main body portion 10 is the largest.

In the present embodiment, among the inclination angles of the blocking surface and the guiding surface 23 in the directions facing each other, the inclination angle of the blocking surface is smaller than that of the guiding surface 23, so that the first stop portion 22 can be stably clamped in the first groove 2012, and at the same time, the first stop portion 22 can be ensured to be quickly clamped in the first groove 2012 during the assembling process.

In an alternative embodiment, the main body 10 faces away from the first stopper 21, and a side surface on the same side as the guide surface 23 is a first side surface, a bore 40 with an elliptical cross section is formed in the main body 10, the elliptical bore 40 has a major axis and a minor axis, the bore 40 can provide an elastic deformation space for deformation of the main body 10 and the first stopper 22, that is, the first stopper 22 deforms into the first recess 2012 under a stress, and then the bore 40 can provide a release space for deformation of the first stopper 22 itself, that is, the first recess 2012 is clamped. The long axis of the bore 40 is inclined relative to the first side of the main body 10, so as to increase the pressing area of the main body 10 and reduce the reaction force of the main body 10 in the pressing process.

To enable quick engagement of the first stop 22 in the first recess 2012, the finger pressing direction may be collinear with the long axis of the bore 40 or the finger pressing position may be near the long axis of the bore 40. Since the main body 10 deforms differently in different directions when pressed or elastically deformed again at a time, in order to ensure that the first stopper 22 can be quickly clamped in the first groove 2012, the finger pressing positions may be on the long axis of the cavity 40 or on both sides of the long axis; after the first stop portion 22 is snapped into the first groove 2012, the cavity 40 is deformed to firmly snap the first stop portion 22 into the first groove 2012, so as to ensure the sealing performance of the sealing member 100 with the first shell 201 and the second shell 202.

In an alternative embodiment, the long axis 40b of the cavity 40 is inclined toward one side of the first stopper 21, and the inclination angle of the long axis 40b is greater than the inclination angle of the guiding surface 23, wherein the inclination angle of the long axis 40b is mainly for increasing the pressing area of the main body 10, and the inclination angle of the guiding surface 23 is mainly for allowing the first stop portion 22 to be quickly clamped in the first groove 2012, that is, the inclination angle of the long axis 40b is greater than the inclination angle of the guiding surface 23, so that the reaction force during the pressing process can be effectively reduced, and at the same time, the first stop portion 22 can be ensured to be deformed under the pressing force, so that the first stop portion 22 can be quickly clamped in the first groove 2012.

In an alternative embodiment, the bore 40 has a long axis 40b and a short axis 40a, and the ratio of the lengths of the long axis 40b and the short axis 40a is greater than or equal to 1.2, which facilitates easy deformation of the bore 40 during pressing, so that the first stopper 22 can be clamped in the first groove 2012, and when the first stopper 22 is clamped in the first groove 2012, the bore 40 can inhibit the first stopper 22 from being twisted or deformed under an outward tension, thereby ensuring the connection stability of the packing 100.

In an alternative embodiment, the main body 10 has a second side surface, the center of which is located between the end of the long axis close to the first stopper 21 and the center of the long axis 40b, and in order to facilitate the pressing of the main body 10, the pressing position is located at the center of the second side surface towards one side of the first stopper 21, which can increase the pressing position of the main body 10, and at the same time, the first stopper 22 can be quickly deformed and snapped into the first recess 2012 under the effect of the pressing force.

In an optional embodiment, the bottom of the first slot 20 and the bottom of the second slot 30 extend to the notches of the slots where the first slot and the second slot are located, and the waterproof ribs can abut against the two opposite walls (the first side wall 2013 and the second side wall 2012) after the sealing member 100 is filled in the gap formed by the two opposite walls, so as to ensure the dustproof and waterproof performance of the sealing member 100.

In an optional embodiment, the width of the waterproof rib extending to the notch of the slot where the waterproof rib is located gradually decreases and forms a shape with a triangular cross section, so that the waterproof rib can deform under the extrusion of the wall and can abut against the end surface of the wall, the sealing performance of the sealing member 100 is ensured, and the dustproof and waterproof effects are achieved.

In an alternative embodiment, the waterproof rib located in the first card slot 20 is a first waterproof rib 24, the first waterproof rib 24 is disposed between the first blocking portion 21 and the first stopping portion 22, and after the first side wall 2013 is clamped in the first card slot 20, the first waterproof rib 24 can be abutted on an end surface of the first side wall 2013 to fill a gap between the first card slot 20 and the first side wall 2013, so as to ensure the sealing performance of the sealing element 100, and play a role in preventing dust and water. In an alternative embodiment, the waterproof rib located in the second card slot 30 is a second waterproof rib 33, the second waterproof rib 33 is disposed between the second blocking portion 31 and the second stopping portion 32, and after the second side wall 2022 is clamped in the second card slot 30, the second waterproof rib 33 can be abutted on an end surface of the second side wall 2022 to fill a gap between the second card slot 30 and the second side wall 2022, so as to ensure the sealing performance of the sealing member 100, and perform the dustproof and waterproof functions.

In an alternative embodiment, the length of the first waterproof rib 24 extending outward is smaller than the lengths of the first blocking portion 21 and the first stopping portion 22, that is, the first side wall 2013 can be clamped in the first slot 20 between the first blocking portion 21 and the first stopping portion 22, and the first waterproof rib 24 in the first slot 20 can be abutted on the end surface of the first side wall 2013.

In an alternative embodiment, the distance between the first waterproof rib 24 and the first blocking portion 21 is greater than the distance between the first waterproof rib 24 and the first stopping portion 22, so that a concave portion 25 (described below) can be formed at a side close to the first blocking portion 21 to accommodate a folded portion of the first blocking portion 21 and the first waterproof rib 24 folded toward the first blocking portion 21 when the first blocking portion 21 and the first waterproof rib 24 are stressed, and meanwhile, the first waterproof rib 24 can prevent the first stopping portion 22 from being deformed at a position close to the bottom, so as to provide a buffering force for the deformation of the first stopping portion 22, and also provide an elastic force for the deformation of the first stopping portion 22 after the first locking groove 20 is locked, so that the first stopping portion 22 can rapidly recover the deformation.

In an alternative embodiment, the bottom of the first card slot 20 is provided with a recessed portion 25, the recessed portion 25 is disposed between the first waterproof rib 24 and the first blocking portion 21, and the recessed portion 25 can accommodate the first waterproof rib 24 and also provide a deformation space blocking portion for the first blocking portion 21.

In an alternative embodiment, a second blocking portion 31 and a second stopping portion 32 are formed at two sides of the second slot 30, wherein a sidewall of one housing 200 is clamped between the second blocking portion 31 and the second stopping portion 32, and a sidewall of the other housing 200 is clamped between the first blocking portion 21 and the first stopping portion 22.

In an alternative embodiment, the distance between the first blocking portion 21 and the first stopping portion 22 is greater than the wall thickness of the side wall of the housing 200, that is, the first card slot 20 and the side wall of the housing 200 are in clearance fit, so that the deformation of the interior of the first card slot 20, the first blocking portion 21 and the first stopping portion 22 can be avoided.

In an alternative embodiment, the distance between the second blocking portion 31 and the second stop portion 32 is greater than the wall thickness of the side wall of the housing 200, that is, the second card slot 30 is in clearance fit with the side wall of the housing 200, so that deformation of the inside of the second card slot 30, the second blocking portion 31 and the second stop portion 32 can be avoided.

In an alternative embodiment, the extension length of the first blocking portion 21 is greater than the extension length of the first stop portion 22, so that the first stop portion 22 can be quickly clamped in the first groove 2012.

In an alternative embodiment, the extension length of the second blocking portion 31 is smaller than the extension length of the second stop portion 32, so as to prevent the second stop portion 32 from being separated from the second groove 2021 during the assembling process.

In an alternative embodiment, the main body is a silicone strip made of silicone material.

In an alternative embodiment, the shore hardness of the main body part is 45-55 degrees, and the main body part can be neutralized in assembly and anti-falling.

As shown in fig. 1 to 4, according to a second aspect of the present application, the present application provides an operating lamp including a housing 200 and the sealing member 100 described above, wherein the housing 200 includes a first housing 201 and a second housing 202, the first slot 20 of the sealing member 100 is fitted on a sidewall of the first housing 201, the second slot 30 of the sealing member 100 is fitted on a sidewall of the second housing 202, and the first blocking portion 21 is located outside the first housing 201.

In an alternative embodiment, the interference between the first waterproof rib 24 on the first card slot 20 and the wall of the first housing 201 is less than 2mm. It should be noted that the interference is related to the width of the first engaging groove 20, and the wider the first engaging groove 20, the larger the interference is, and the interference is mainly to avoid deformation inside the first engaging groove 20, and at the same time, to ensure the sealing performance of the sealing member 100. For example, the groove width of the first card slot 20 is 6.8mm, the interference of the first waterproof rib abutting against the wall of the first housing 201 is 2mm, and when the groove width of the first card slot 20 is greater than 6.8mm, the interference of the first waterproof rib abutting against the wall of the first housing 201 (the first side wall 2013) is greater than 2mm.

In an alternative embodiment, the interference between the second waterproof rib on the second card slot 30 and the wall of the second housing 202 (the second side wall 2022) is less than 2mm, wherein it should be noted that the interference is related to the width of the second card slot 30, and the wider the second card slot 30, the larger the interference is, the interference is mainly to avoid the deformation inside the first card slot 20, and at the same time, to ensure the sealing performance of the sealing member 100. For example, the groove width of the second card slot 20 is 6.8mm, the interference of the second waterproof rib 33 abutting against the wall (the second side wall 2022) of the second housing 202 is 2mm, and when the groove width of the second card slot 30 is greater than 6.8mm, the interference of the second waterproof rib 33 abutting against the wall (the second side wall 2022) of the second housing 202 is greater than 2mm.

In the description of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral connection unless expressly stated or limited otherwise. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments, or examples, for implementing different features of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the description of the present specification, reference to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims (18)

1. A sealing element is used for being filled in a gap formed between two opposite walls and is characterized by comprising a main body part, wherein a first clamping groove and a second clamping groove are arranged on the main body part and are positioned on two sides of the main body part and used for being clamped on the two walls;

the first blocking part and the first stopping part are formed on two sides of the first clamping groove, and a guide surface which inclines or bends towards one side of the first blocking part is arranged on one side, back to the first blocking part, of the first stopping part so as to provide guidance for the first stopping part to be clamped into the gap from one side of the gap.

2. A seal according to claim 1, wherein the guide surface is a chamfer or an arc surface.

3. The sealing member according to claim 1, wherein a side surface of the main body portion facing away from the first blocking portion and on the same side as the guide surface is a first side surface, a bore having an elliptical cross section is formed inside the main body portion, the elliptical bore has a major axis and a minor axis, and an included angle between the major axis of the bore and the first side surface of the main body portion is an obtuse angle or an acute angle.

4. The seal of claim 3, wherein a major axis of the bore is inclined toward a side of the first stop and the angle of inclination of the major axis is greater than the angle of inclination of the guide surface.

5. The seal of claim 3, wherein the bore has a major axis and a minor axis, a ratio of the length of the major axis to the minor axis being greater than or equal to 1.2.

6. The seal of claim 5, wherein a side of the body portion opposite the guide surface of the first stop is a second side, and a center of the second side is located between an end of the long axis facing the first stop and a center of the long axis.

7. The sealing element according to claim 1, wherein a waterproof rib extends from the bottom of the first clamping groove and/or the second clamping groove to the notch of the clamping groove.

8. The seal of claim 7, wherein the width of the waterproof rib that extends toward the notch of the respective slot gradually decreases and forms a triangular shape in cross section.

9. The sealing member according to claim 7, wherein the waterproof rib located in the first slot is a first waterproof rib, and a distance between the first waterproof rib and the first stopper is greater than a distance between the first waterproof rib and the first stopper.

10. The seal of claim 7, wherein the bottom of the first channel has a recess that is recessed relative to a bottom surface between the first waterproof bead and the first stop.

11. The seal of claim 1, wherein the second channel is formed with a second stop and a second stop on either side of the second channel, one of the two walls forming the gap being captured between the second stop and the second stop, the other wall being captured between the first stop and the first stop.

12. The seal of claim 11, wherein the distance between the first stop and the first stop is greater than the wall thickness of the wall therebetween; and/or the distance between the second stop and the second stop is greater than the wall thickness of the wall between the two.

13. The seal of claim 11, wherein the first stop has a length that is greater than a length of the first stop; and/or the extension length of the second blocking part is smaller than that of the second stop part.

14. The seal of claim 1, wherein a free end of the first stop is bent toward the first stop.

15. The seal of claim 1, wherein the first stop portion has a stop surface on a side opposite to the guide surface, and a distance between the stop surface and the guide surface gradually decreases from the main body portion to a direction away from the main body portion.

16. The seal of claim 1, wherein the body portion is a silicone strip made of a silicone material; and/or the Shore hardness of the main body part is 45-55 degrees.

17. An operating lamp comprising a housing and a sealing member as claimed in any one of claims 1 to 16, the housing comprising a first housing and a second housing, the first bayonet slot of the sealing member being fitted in a wall of the first housing, the second bayonet slot of the sealing member being fitted in a wall of the second housing, the first blocking portion being located outside the first housing.

18. The operating lamp according to claim 17, wherein a waterproof rib extends from the bottom of the first slot and/or the second slot to a notch of the respective slot, the waterproof rib in the first slot is a first waterproof rib, the waterproof rib in the second slot is a second waterproof rib, and when the sealing element is mounted on the housing, the first waterproof rib on the first slot is in interference fit with a wall of the first housing, and an interference amount is less than 2mm, and/or the second waterproof rib on the second slot is in interference fit with a wall of the second housing, and an interference amount is less than 2mm.

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