CN210429614U - Seal button structure and endoscope camera - Google Patents

Abstract

The utility model relates to a sealed button structure and endoscope camera, sealed button structure includes casing and button. The key comprises a pressing column and a skirt. The pressing column is movably arranged in the through hole of the shell. The skirt edge is connected with one end, located outside the shell, of the pressing column, the skirt edge is arranged around the circumference of the pressing column, the skirt edge is in close contact with the outer side wall of the shell, the portion, in contact with the outer side wall of the shell, of the skirt edge is arranged around the periphery of the through hole, and the key is an elastic body. The sealing key structure has the advantages that the skirt edge is in close contact with the outer side wall of the shell, the part of the skirt edge, which is in contact with the outer side wall of the shell, is wound on the periphery of the through hole, water outside the shell can be prevented from entering the shell through the through hole by the skirt edge, and the sealing key structure has better sealing performance. In addition, the button is an elastic body, and the function of the button can be realized. Compared with the traditional mode of adopting glue to be bonded and hermetically connected with the supporting shell, the assembling process can be simplified, the production efficiency and the yield are improved, and therefore the cost can be reduced.

Description

Seal button structure and endoscope camera

Technical Field

The utility model relates to an endoscope technical field especially relates to a sealed button structure and endoscope camera.

Background

The endoscope camera needs to be cleaned, disinfected or sterilized before use, and the product is required to have the waterproof performance of IPX7 grade or above. Traditional camera button waterproof sealing adopts glue and support housing bonding sealing connection, because the glue is sealed to belong to special technology, the technology is complicated, and the yield is lower, influences whole assembly efficiency.

Disclosure of Invention

Accordingly, there is a need to overcome the defects of the prior art and to provide a seal key structure and an endoscope camera, which can simplify the assembly process and improve the production efficiency and yield.

The technical scheme is as follows: a sealed key structure comprising: the shell is provided with a through hole; the button, the button is including pressing post and shirt rim, press the post movably set up in the through-hole, the shirt rim with press the post to be located the outer one end of casing links to each other, the shirt rim winds the circumference setting of pressing the post, the shirt rim with the lateral wall in close contact with of casing, the shirt rim with the position that the lateral wall of casing contacted is around locating the periphery of through-hole, the button is the elastomer.

The sealing key structure has the advantages that the skirt edge is in close contact with the outer side wall of the shell, the part of the skirt edge, which is in contact with the outer side wall of the shell, is wound on the periphery of the through hole, water outside the shell can be prevented from entering the shell through the through hole by the skirt edge, and the sealing key structure has better sealing performance. In addition, the button is an elastic body, and the pressing column can move up and down in the through hole when the button is pressed, so that the function of the button can be realized. Compared with the traditional mode of adopting glue to be bonded and hermetically connected with the supporting shell, the assembling process can be simplified, the production efficiency and the yield are improved, and therefore the cost can be reduced.

In one embodiment, the outer side wall of the housing is formed with a groove disposed around the circumference of the through hole, the end of the skirt is fitted into the groove, and the end of the skirt is in close contact with the inner wall of the groove.

In one embodiment, the sealing key structure further includes a pressing member, the pressing member is mounted on the housing, and the pressing member is configured to enable an end portion of the skirt to be in close contact with an outer side wall of the housing.

In one embodiment, the pressing piece is a pressing plate, the skirt comprises an annular plate and an annular flange, one end of the annular plate is connected with the pressing column, the outer side wall of the other end of the annular plate is connected with the inner side wall of the annular flange, and the annular flange is tightly abutted with the outer side wall of the shell; the clamp plate is provided with an opening sleeved outside the skirt edge, the outer side wall of the annular plate is abutted to the side wall forming the opening, and the clamp plate is abutted to the annular flange.

In one embodiment, the outer side wall of the housing is formed with a groove provided around the circumference of the through hole, the annular flange is fitted into the groove, and the annular flange is in close contact with the inner wall of the groove.

In one embodiment, the pressing plate is fixedly arranged on the outer side wall of the shell through a mounting piece.

In one embodiment, a concave part matched with the pressure plate is arranged on the shell, and the pressure plate is arranged in the concave part; the pressing plate is fixedly arranged on the shell through more than two mounting pieces.

In one embodiment, the pressing column and the skirt are of an integrated structure, and the key is a silicon body.

An endoscope camera comprises a sealing key structure and a microswitch matched with a key, wherein the microswitch is arranged in a shell.

According to the endoscope camera, the skirt edge is in close contact with the outer side wall of the shell, and the part of the skirt edge, which is in contact with the outer side wall of the shell, is wound on the periphery of the through hole, so that water outside the shell can be prevented from entering the shell through the through hole by the skirt edge, and the endoscope camera has good sealing performance. In addition, the button is an elastic body, and the pressing column can move up and down in the through hole when the button is pressed, so that the function of the button can be realized. Compared with the traditional mode of adopting glue to be bonded and hermetically connected with the supporting shell, the assembling process can be simplified, the production efficiency and the yield are improved, and therefore the cost can be reduced.

In one embodiment, the endoscope camera further comprises a support seat arranged in the shell, and the micro switch is arranged on the support seat.

Drawings

Fig. 1 is a schematic structural diagram of an endoscope camera according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a seal key structure according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of an endoscope camera according to an embodiment of the present invention.

Reference numerals:

10. a housing; 11. a through hole; 12. a groove; 13. a recess; 20. pressing a key; 21. pressing the column; 22. a skirt edge; 221. an annular plate; 222. an annular flange; 30. a compression member; 31. an opening; 32. a mounting member; 40. a microswitch; 50. a supporting seat; 60. a switch circuit board; 61. a terminal; 70. an insulating cover; 80. a connecting member; 90. a lens; 100. a cable.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that 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 implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

In one embodiment, referring to fig. 1 and 2, a sealed key structure includes a housing 10 and a key 20. The housing 10 is provided with a through hole 11. The key 20 comprises a pressing column 21 and a skirt 22. Specifically, the pressing post 21 and the skirt 22 are integrated. The pressing column 21 is movably arranged in the through hole 11. The skirt 22 is connected to one end of the pressing column 21 outside the housing 10, the skirt 22 is arranged around the pressing column 21, the skirt 22 is in close contact with the outer side wall of the housing 10, the part of the skirt 22 in contact with the outer side wall of the housing 10 is arranged around the periphery of the through hole 11, and the key 20 is an elastic body.

In the above sealing key structure, because the skirt 22 is in close contact with the outer side wall of the housing 10, and the part of the skirt 22 in contact with the outer side wall of the housing 10 surrounds the periphery of the through hole 11, the skirt 22 can prevent water outside the housing 10 from entering the housing 10 through the through hole 11, and has better sealing performance. In addition, the key 20 is an elastic body, and the pressing column 21 can move up and down in the through hole 11 when the key 20 is pressed, so that the function of the button can be realized. Compared with the traditional mode of adopting glue to be bonded and hermetically connected with the supporting shell 10, the assembling process can be simplified, the production efficiency and the yield can be improved, and the cost can be reduced.

Further, referring to fig. 1 and 2, a groove 12 disposed around the circumference of the through hole 11 is formed on an outer side wall of the housing 10. The end of the skirt 22 is fitted into the groove 12, and the end of the skirt 22 is in close contact with the inner wall of the groove 12. Specifically, the end of the skirt 22 is fixed to the outer side wall of the housing 10 by pressing the pressing member 30, so that the end of the skirt 22 is in close contact with the outer side wall of the housing 10. Alternatively, the end of the skirt 22 may be snap-fitted into the recess 12. On one hand, the end of the skirt 22 can play a good waterproof role when being in close contact with the inner wall of the groove 12; on the other hand, the end of the skirt 22 is disposed in the groove 12, so that the stability of the key 20 during pressing can be ensured.

In one embodiment, referring to fig. 1 and fig. 2, the sealing key structure further includes a pressing member 30. The pressing member 30 is mounted on the housing 10, and the pressing member 30 is used for enabling the end of the skirt 22 to be in close contact with the outer side wall of the housing 10. As an alternative, the end of the skirt 22 may also be snap-fitted into the recess 12.

Further, referring to fig. 1 and 2, the pressing member 30 is a pressing plate, and the skirt 22 includes an annular plate 221 and an annular flange 222. One end of the annular plate 221 is connected to the pressing post 21, and the outer side wall of the other end of the annular plate 221 is connected to the inner side wall of the annular flange 222. The annular flange 222 is in tight interference with the outer side wall of the housing 10. The pressing plate is provided with an opening 31 sleeved outside the skirt 22, the outer side wall of the annular plate 221 is abutted to the side wall forming the opening 31, and the pressing plate is abutted to the annular flange 222. Therefore, a first waterproof structure is formed between the pressing plate and the skirt 22, and a second waterproof structure is formed between the skirt 22 and the side wall of the shell 10, so that a good waterproof effect is achieved.

Further, referring to fig. 1 and 2, a groove 12 disposed around the circumference of the through hole 11 is formed on an outer side wall of the housing 10. The annular flange 222 is fitted into the groove 12, and the annular flange 222 is in close contact with the inner wall of the groove 12. Specifically, the annular flange 222, similar to an O-ring seal, is disposed in the groove 12 and provides good water resistance. In addition, the annular flange 222 is clamped and fixed between the pressure plate and the shell 10 at all times during the pressing process of the key 20, and the static state is kept, so that the stability of the key 20 during the pressing process can be ensured.

Further, referring to fig. 1 and 2, the pressing plate is fixedly mounted on the outer side wall of the housing 10 by a mounting member 32. Specifically, the mounting members 32 are screws, bolts, pins, or the like. In order to improve the sealing performance of the housing 10, the mounting hole of the housing 10 for matching with the mounting member 32 is a blind hole, so that water outside the housing 10 can be prevented from entering the housing 10 through the mounting hole, and the sealing performance is ensured.

Further, referring to fig. 1 and 2, a concave portion 13 adapted to the pressing plate is disposed on the housing 10, and the pressing plate is disposed in the concave portion 13. Therefore, after the pressing plate is arranged in the concave part 13, the surface of the pressing plate is flush with the outer side wall of the shell 10, and the product performance is improved.

In one embodiment, the pressure plate is fixedly mounted to the housing 10 by two or more of the mounting members 32. Thus, the pressing plate can be stably installed on the outer sidewall of the housing 10, so that the end of the skirt 22 is pressed against the outer sidewall of the housing 10.

Optionally, the key 20 is a silicone body, a rubber body, a PE body, a BOPP body, a PET body, or a PVC body. Wherein, PE is fully called polycarbonate in Chinese, PET is fully called polyethylene terephthalate in Chinese, and PE and PET both have the characteristics of high transparency, excellent insulating property and water insolubility at normal temperature. The BOPP is a biaxially oriented polypropylene film, and has the characteristics of high transparency, high glossiness, excellent coating adhesion, excellent water vapor and grease barrier properties and excellent insulation. PVC is polyvinyl chloride resin, and has good flexibility and excellent insulating and waterproof properties. The key 20 having the elastic waterproof insulating property can be manufactured using any one of the materials.

In one embodiment, referring to fig. 1 and 2, an endoscope camera includes the sealing button structure of any one of the above embodiments, and further includes a micro switch 40 engaged with the button 20, where the micro switch 40 is disposed in the housing 10.

In the endoscope camera, because the skirt 22 is in close contact with the outer side wall of the shell 10, and the contact part of the skirt 22 and the outer side wall of the shell 10 is wound around the periphery of the through hole 11, the skirt 22 can prevent water outside the shell 10 from entering the shell 10 through the through hole 11, and has better sealing performance. In addition, the key 20 is an elastic body, and the pressing column 21 can move up and down in the through hole 11 when the key 20 is pressed, so that the function of the button can be realized. Compared with the traditional mode of adopting glue to be bonded and hermetically connected with the supporting shell 10, the assembling process can be simplified, the production efficiency and the yield can be improved, and the cost can be reduced. In addition, when the driving key 20 is actuated, the key 20 correspondingly acts on the micro switch 40, and the micro switch 40 sends a signal to the control main board to execute various commands, such as calling up a menu of a display screen, adjusting the light brightness of the camera, adjusting the angle of the camera, turning on and off the camera, and the like.

Further, referring to fig. 2 and 3, the endoscope camera further includes a support seat 50 disposed in the housing 10. The microswitch 40 is mounted on the support seat 50. The support 50 is a plastic support 50 for insulation.

Further, referring to fig. 2 and 3, the endoscope camera further includes a switch circuit board 60 disposed in the housing 10. The micro switch 40 is mounted on the switch circuit board 60. The switch circuit board 60 is disposed on the supporting base 50. The switch circuit board 60 is provided with a terminal 61, and the terminal 61 is electrically connected with the control main board through a conducting wire.

Further, referring to fig. 2 and 3, the endoscope camera further includes an insulating cover 70 disposed in the housing 10. The insulating cover 70 covers the switch circuit board 60 and is located between the switch circuit board 60 and the key 20. The insulating cover 70 covering the outside of the switch circuit board 60 is additionally arranged between the switch circuit board 60 and the inner side wall of the shell 10, and the insulating cover 70 can realize that the creepage distance between the switch circuit board 60 and the inner side wall of the shell 10 is more than 4mm, so that the safe creepage distance when the 4000-volt voltage resistance test is carried out on the shell 10 can be achieved, the voltage breakdown phenomenon generated in the voltage resistance test can be avoided, and the product safety is improved. Since the creepage distance from the housing 10 to the switch circuit board 60 is increased by the insulating cover 70, the distance between the switch circuit board 60 and the housing 10 is reduced to a certain extent on the premise of ensuring safety, and thus the volume size of the product is reduced while ensuring safety.

Specifically, the insulating cover 70 is an insulating elastic cover. Therefore, in the process of pressing the key 20, the microswitch 40 in the insulating cover 70 can be normally driven to act, and the pressing and triggering of the microswitch 40 by the key 20 cannot be influenced. Further, the insulating cover 70 conforms to the surface shape of the switch circuit board 60. Therefore, the microswitch 40 in the insulating cover 70 can be normally driven to act in the pressing process of the key 20, and the product performance is improved. Optionally, the insulating cover 70 is a silicone body, a rubber body, a PE body, a BOPP body, a PET body, or a PVC body.

Further, referring to fig. 2 and 3, the endoscope camera further includes a connecting member 80, and the insulating cover 70, the switch circuit board 60 and the supporting base 50 are fixedly connected by the connecting member 80. Thus, the insulation cover 70 and the switch circuit board 60 can be fixedly mounted on the support base 50. Specifically, the connection member 80 is an insulating screw, an insulating pin, or the like.

Further, the endoscope camera also comprises a lens 90 and a cable 100. The lens 90 is mounted on the supporting base 50, one end of the cable 100 is electrically connected to the switch circuit board 60, and the other end of the cable 100 penetrates through the casing 10 to be electrically connected to an external host.

The tightness in the "close contact" of the above-described embodiment can be achieved without a gap in the contact surface between the two objects, thereby being able to play a role in waterproofing.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A sealed key structure, comprising:

the shell is provided with a through hole;

the button, the button is including pressing post and shirt rim, press the post movably set up in the through-hole, the shirt rim with press the post to be located the outer one end of casing links to each other, the shirt rim winds the circumference setting of pressing the post, the shirt rim with the lateral wall in close contact with of casing, the shirt rim with the position that the lateral wall of casing contacted is around locating the periphery of through-hole, the button is the elastomer.

2. The seal key structure according to claim 1, wherein the outer side wall of the housing is formed with a groove provided around the circumference of the through hole, the end of the skirt is fitted into the groove, and the end of the skirt is in close contact with the inner wall of the groove.

3. The sealed key structure of claim 1, further comprising a pressing member mounted on the housing, wherein the pressing member is configured to bring an end of the skirt into close contact with an outer sidewall of the housing.

4. The structure of claim 3, wherein the pressing member is a pressing plate, the skirt includes an annular plate and an annular flange, one end of the annular plate is connected to the pressing post, an outer side wall of the other end of the annular plate is connected to an inner side wall of the annular flange, and the annular flange is in tight contact with an outer side wall of the housing; the clamp plate is provided with an opening sleeved outside the skirt edge, the outer side wall of the annular plate is abutted to the side wall forming the opening, and the clamp plate is abutted to the annular flange.

5. The seal key structure according to claim 4, wherein an outer side wall of the housing is formed with a groove provided around a circumference of the through hole, the annular flange is fitted into the groove, and the annular flange is in close contact with an inner wall of the groove.

6. The sealed key structure of claim 4, wherein the pressure plate is fixedly mounted to the outer sidewall of the housing by a mounting member.

7. The structure of claim 6, wherein the housing has a recess adapted to the pressing plate, and the pressing plate is disposed in the recess; the pressing plate is fixedly arranged on the shell through more than two mounting pieces.

8. The sealing key structure of claim 1, wherein the pressing column and the skirt are of an integrated structure, and the key is a silicone body.

9. An endoscope camera, characterized by comprising a sealing key structure according to any one of claims 1 to 8, and further comprising a micro switch cooperating with the key, the micro switch being disposed in the housing.

10. The endoscopic camera according to claim 9, further comprising a support seat disposed within said housing, said micro switch being mounted on said support seat.

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