Automatic opening and closing protection device and telescopic device

Abstract

The utility model relates to an automatic opening and closing protection device and a telescopic device, and the automatic opening and closing protection device comprises a fixed seat which is provided with a working channel in a penetrating manner; the sliding block is slidably arranged on the fixed seat, a rack is arranged on the side, away from the fixed seat, of the sliding block, and an inclined starting part is arranged on the side, close to the working channel, of the sliding block; the top cover is rotatably arranged on the fixed seat and provided with rotating teeth, and the rotating teeth are meshed with the rack; the elastic piece abuts against the sliding block; in a first state, the top cover shields right above the working channel; in the second state, the inclined starting part is pushed, the sliding block slides along the fixing base, the elastic piece is compressed, the rotating teeth rotate along the rack, and the top cover exposes the working channel. According to the automatic opening and closing protection device, the port can be automatically opened by means of thrust generated when a product extends out, the port can be automatically reset by means of elastic force to be sealed, manual operation of a user is not needed, and the port opening and closing operation is convenient, fast and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of health protection devices, in particular to an automatic opening and closing protection device and a telescopic device. Background Art

[0002] In daily life, daily necessities used by people, such as toothbrushes, soup spoons, etc., are often exposed to the air and are prone to breeding bacteria. In order to improve this situation, some products that can retract the use end of the toothbrush head and soup spoon into the shell have appeared on the market. These products can prevent the use end of the toothbrush head and soup spoon from being directly exposed to the outside world, but are protected inside the shell. However, in order to allow the use end of the toothbrush head and soup spoon to smoothly extend out of the shell for use, and to be retracted into the shell for protection, an opening is usually provided at the top of the shell. In order to prevent bacteria and other contaminants from entering through the opening, only a cover can be provided. When the product is not in use, the opening is manually covered with the cover. This protective structure is not convenient to operate, and the cover is easy to lose, resulting in a poor user experience. Utility Model Content

[0003] Based on this, it is necessary to provide an automatic opening and closing protection device and telescopic device that can automatically open the port by relying on the thrust of the product extension, and can automatically reset and seal the port by relying on elastic force, without the need for manual operation by the user, making the port opening and closing operation convenient and efficient.

[0004] An automatic opening and closing protective device, comprising:

[0005] A fixed seat, through which a working channel is provided;

[0006] A slider is slidably disposed on the fixed seat, and a rack is disposed on a side of the slider away from the fixed seat, and a tilting start portion is disposed on a side of the slider close to the working channel;

[0007] A top cover is rotatably disposed on the fixing seat, and the top cover is provided with rotating teeth, and the rotating teeth are meshed with the rack; and

[0008] An elastic member abutting against the sliding block;

[0009] In the first state, the top cover blocks the working channel directly above; in the second state, the tilt start part is pushed, the slider slides along the fixed seat, and the elastic member is compressed, the rotating tooth rotates along the rack, and the top cover exposes the working channel.

[0010] The above-mentioned automatic opening and closing protective device has a working channel that allows the product to extend and retract, and the top cover can seal the working channel. When the product needs to be used, the product pushes the tilted start part outward, the slider slides along the fixed seat, and the elastic member is compressed, the rotating tooth rotates along the rack, the top cover rotates to open the working channel, and the product extends from the working channel. When the product needs to be stored, the product retracts inward, the tilted start part loses the driving force, and the elastic force of the elastic member causes the top cover to rotate and reset to seal the working channel. The device can automatically open the port by relying on the thrust of the product extending out, and can automatically reset and seal the port by relying on the elastic force, without the need for manual operation by the user, making the port opening and closing operation convenient and efficient.

[0011] In one embodiment, a first lug and a second lug are relatively spaced apart from each other on the fixing seat, at least a portion of the working channel is defined between the first lug and the second lug, a first rotating member and a second rotating member are provided on opposite sides of the top cover, the first rotating member is rotatably connected to the first lug, and the second rotating member is rotatably connected to the second lug.

[0012] In one embodiment, the top cover includes a main cover body, a first arm and a second arm, the first arm and the second arm are relatively spaced apart on the main cover body, the first rotating member is arranged on the outside of the first arm, and the second rotating member is arranged on the outside of the second arm.

[0013] In one embodiment, the slider is extended to form two spaced racks, and the first arm and the second arm are both provided with the rotating teeth at the ends away from the main cover.

[0014] In one embodiment, the main cover is arc-shaped.

[0015] In one embodiment, the first lug is provided with a first matching hole, the second lug is provided with a second matching hole, the first rotating member is a first rotating shaft, and the first rotating shaft is rotatably inserted in the first matching hole, and the second rotating member is a second rotating shaft, and the second rotating shaft is rotatably inserted in the second matching hole.

[0016] In one of the embodiments, the vertical cross-sectional area of ​​the inclined starting portion gradually decreases from one side close to the working channel to the other side.

[0017] In one of the embodiments, a limiting portion is provided on a side of the fixing seat close to the tilting starting portion, and the sliding block can abut against the limiting portion when sliding under the thrust.

[0018] In one of the embodiments, the sliding block is provided with a convex strip along the extending direction of the rack, the fixing seat is provided with a sliding groove, and the convex strip is slidably disposed in the sliding groove.

[0019] The utility model also proposes a telescopic device, comprising: a shell, which is hollow inside and has an opening at one end;

[0020] A telescopic driving member, disposed in the housing;

[0021] A functional part, disposed on the driving end of the telescopic driving part; and

[0022] The automatic opening and closing protection device as described above is arranged in the opening end of the shell, the fixing seat is fixedly connected to the inner wall of the shell, the elastic member abuts against the inner wall of the shell and the slider respectively, and the top cover is located at the opening of the shell;

[0023] The telescopic driving member can drive the functional member to move outside the shell, and make the functional member push the tilt starting part, the top cover rotates to open the shell opening, and the functional member extends out; the telescopic driving member drives the functional member to move inside the shell, and under the elastic force of the elastic member, the top cover rotates to reset and close the shell opening, and the functional member is stored. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic structural diagram of an embodiment of the protective device of the utility model;

[0025] Figure 2 This is a schematic structural diagram of another embodiment of the protective device of the utility model;

[0026] Figure 3 This is a structural schematic diagram of an embodiment of the telescopic device of the utility model;

[0027] Figure 4 It is a structural schematic diagram of another embodiment of the telescopic device of the utility model.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 100. Automatic opening and closing protection device; 1. Fixed seat; 11. Working channel; 12. First lug; 121. First matching hole; 13. Second lug; 131. Second matching hole; 14. Limiting part; 15. Slide groove; 2. Sliding block; 21. Rack; 22. Tilt start part; 23. Raised strip; 3. Top cover; 31. Rotating tooth; 32. First rotating member; 33. Second rotating member; 34. Main cover body; 35. First support arm; 36. Second support arm; 4. Elastic member; 200. Telescopic device; 201. Housing; 202. Telescopic drive member. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described clearly and completely below in conjunction with the accompanying drawings. Obviously, the specific details described below are only part of the embodiments of the utility model, and the utility model can also be implemented in many other embodiments different from those described here. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the utility model.

[0031] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0033] See also Figure 1 and Figure 2 In one embodiment, an automatic opening and closing protection device 100 includes: a fixed seat 1, a slider 2, a top cover 3 and an elastic member 4. The fixed seat 1 is provided with a working channel 11. The slider 2 is slidably arranged on the fixed seat 1 in a lateral direction, and a rack 21 is provided on the top of the slider 2, and a tilting starter 22 is provided on the side of the slider 2 close to the working channel 11. The top cover 3 is rotatably arranged on the fixed seat 1, and the top cover 3 is provided with a rotating tooth 31, and the rotating tooth 31 is meshed with the rack 21. The elastic member 4 abuts against the slider 2.

[0034] In the automatic opening and closing protection device 100, the working channel 11 can be extended and retracted for the product, and the top cover 3 can seal the working channel 11. When the product needs to be used, the product pushes the tilted start part 22 outward, the slider 2 slides along the fixed seat 1, and the elastic member 4 is compressed, the rotating tooth 31 rotates along the rack 21, the top cover 3 rotates to open the working channel 11, and the product extends from the working channel 11. When the product needs to be stored, the product retracts inward, the tilted start part 22 loses the driving force, and the elastic force of the elastic member 4 is used to rotate and reset the top cover 3 to seal the working channel 11. The device can automatically open the port by relying on the thrust of the product, and can automatically reset and seal the port by relying on the elastic force, without the need for manual operation by the user, making the port opening and closing operation convenient and efficient.

[0035] In one embodiment of the top cover 3 and the fixing base 1, the fixing base 1 is provided with a first lug 12 and a second lug 13 spaced apart in the longitudinal direction, and at least a portion of the working channel 11 is provided between the first lug 12 and the second lug 13. A first rotating member 32 and a second rotating member 33 are provided on opposite sides of the top cover 3 in the longitudinal direction. The first rotating member 32 is rotatably connected to the first lug 12, and the second rotating member 33 is rotatably connected to the second lug 13, so as to form a stable rotating structure.

[0036] In another embodiment, the top cover 3 includes a main cover body 34, a first arm 35 and a second arm 36, the first arm 35 and the second arm 36 are arranged on the bottom of the main cover body 34 at relative intervals in the longitudinal direction, the first rotating member 32 is protruded on the outside of the first arm 35, and the second rotating member 33 is protruded on the outside of the second arm 36.

[0037] On the basis of the above embodiment, further, the slider 2 is provided with two racks 21 at intervals along the longitudinal direction, and the bottom ends of the first arm 35 and the second arm 36 are provided with rotating teeth 31, which can form rotating teeth 31 at two positions to engage with the racks 21, thereby improving the smoothness and stability of the rotation of the top cover 3.

[0038] The main cover 34 may be in an arc shape. Of course, the main cover 34 may also be in a hemispherical shape, a conical shape, or other different shapes, which are not limited here.

[0039] In one embodiment, the first lug 12 is provided with a first mating hole 121, the second lug 13 is provided with a second mating hole 131, the first rotating member 32 is a first rotating shaft, and the first rotating shaft is rotatably inserted in the first mating hole 121, the second rotating member 33 is a second rotating shaft, and the second rotating shaft is rotatably inserted in the second mating hole 131, so as to form a simple and effective rotational mating structure.

[0040] The vertical cross-sectional area of ​​the inclined starting portion 22 gradually decreases from one side close to the working channel 11 to the other side, forming an inclined surface structure that tilts downward from the inside of the slider 2 to the outside, which is convenient for abutting and pushing when the product is extended.

[0041] In another embodiment, a limiting portion 14 is provided on one side of the fixing seat 1 close to the tilting start portion 22, and when the slider 2 is pushed and slides, it can abut against the limiting portion 14 to prevent the product from pushing the slider 2 over. It can be understood that in order to facilitate the abutment and cooperation between the elastic member 4 and the slider 2, the limiting portion 14 can be provided with a notch to form a avoidance for the elastic member 4. The limiting portion 14 can be a vertically arranged enclosure structure.

[0042] In order to make the sliding of the slider 2 more stable and less likely to deviate, a convex strip 23 is provided on the outer side of the slider 2 in the transverse direction, and a slide groove 15 is provided on the fixed seat 1, and the convex strip 23 is slidably arranged in the slide groove 15. Furthermore, the slider 2 is provided with convex strips 23 on both sides of the longitudinal interval of the opposite sides, and the bottom of the first lug 12 and the second lug 13 are provided with a slide groove 15, forming a stable sliding matching structure at two positions. Of course, the convex strip 23 can also be provided on the inner side of the slider 2, in which case the slide groove 15 is located on the outer periphery of the fixed seat 1.

[0043] See also Figure 3 and Figure 4 The utility model also proposes a telescopic device 200, comprising: a shell 201, a telescopic driving member 202, a functional member and the automatic opening and closing protective device 100 as described above. The shell 201 is hollow inside and has an opening at the top. The telescopic driving member 202 is vertically arranged in the shell 201. The functional member is arranged on the driving end of the telescopic driving member 202, and the functional member can be a toothbrush head, a spoon end, etc. The automatic opening and closing protective device 100 is arranged in the open end of the shell 201, the fixed seat 1 is fixedly connected to the inner wall of the shell 201, the elastic member 4 is respectively in contact with the inner wall of the shell 201 and the slider 2, and the top cover 3 is located at the opening of the shell 201. The telescopic driving member 202 can drive the functional part to move outside the shell 201, and make the functional part push the tilt starting part 22, the top cover 3 rotates to open the opening of the shell 201, and the functional part extends out; the telescopic driving member 202 drives the functional part to move inside the shell 201, and under the elastic force of the elastic member 4, the top cover 3 rotates to reset and close the opening of the shell 201, and the functional part is stored.

[0044] In one embodiment, the elastic member 4 can be a spring, and a mounting hole is provided on the outer side of the slider 2 away from the rack 21 , one end of the spring is provided in the mounting hole, and the other end abuts against the inner side of the housing 201 .

[0045] It should be noted that the automatic opening and closing protection device 100 can be provided with a separate shell, which is provided on the fixing base 1 for contacting with the elastic member 4, and then provided in the housing 201 together with the fixing base 1, and a display window for exposing the housing can be provided on the housing 201. In the above structure, for the sake of structural simplicity, a single housing structure is directly provided.

[0046] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several deformations, substitutions and improvements can be made without departing from the concept of the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be based on the claims.

Claims

1. An automatic opening and closing protection device, characterized in that: include: A fixed seat, through which a working channel is provided; A slider is slidably disposed on the fixed seat, and a rack is disposed on a side of the slider away from the fixed seat, and a tilting start portion is disposed on a side of the slider close to the working channel; A top cover is rotatably disposed on the fixing seat, and the top cover is provided with rotating teeth, and the rotating teeth are meshed with the rack; and An elastic member abutting against the sliding block; In the first state, the top cover covers the working channel; In the second state, the tilting start part is pushed, the slider slides along the fixing seat, and the elastic member is compressed, the rotating tooth rotates along the rack, and the top cover exposes the working channel.

2. The automatic opening and closing protection device according to claim 1, characterized in that: A first lug and a second lug are relatively spaced apart on the fixing seat, at least a portion of the working channel is defined between the first lug and the second lug, a first rotating member and a second rotating member are provided on opposite sides of the top cover, the first rotating member is rotatably connected to the first lug, and the second rotating member is rotatably connected to the second lug.

3. The automatic opening and closing protection device according to claim 2, characterized in that: The top cover includes a main cover body, a first support arm and a second support arm. The first support arm and the second support arm are arranged on the main cover body at a relative interval. The first rotating member is arranged on the outside of the first support arm, and the second rotating member is arranged on the outside of the second support arm.

4. The automatic opening and closing protection device according to claim 3, characterized in that: The sliding block is extended to be provided with two spaced racks, and the ends of the first support arm and the second support arm away from the main cover body are both provided with the rotating teeth.

5. The automatic opening and closing protection device according to claim 3, characterized in that: The main cover is arc-shaped.

6. The automatic opening and closing protection device according to claim 2, characterized in that: The first lug is provided with a first matching hole, the second lug is provided with a second matching hole, the first rotating member is a first rotating shaft, and the first rotating shaft is rotatably inserted in the first matching hole, and the second rotating member is a second rotating shaft, and the second rotating shaft is rotatably inserted in the second matching hole.

7. The automatic opening and closing protection device according to claim 1, characterized in that: The vertical cross-sectional area of ​​the inclined starting portion gradually decreases from one side close to the working channel to the other side.

8. The automatic opening and closing protection device according to claim 1, characterized in that: A limiting portion is provided on one side of the fixing seat close to the tilting starting portion, and the sliding block can abut against the limiting portion when sliding under the thrust.

9. The automatic opening and closing protection device according to claim 1, characterized in that: The slide block is provided with a convex strip along the extending direction of the rack, the fixing seat is provided with a sliding groove, and the convex strip is slidably arranged in the sliding groove.

10. A telescopic device, characterized in that: include: a shell that is hollow inside and open at one end; A telescopic driving member, disposed in the housing; A functional part, arranged on the driving end of the telescopic driving part; and The automatic opening and closing protection device according to any one of claims 1 to 9 is arranged in the opening end of the shell, the fixing seat is fixedly connected to the inner wall of the shell, the elastic member abuts against the inner wall of the shell and the slider respectively, and the top cover is located at the opening of the shell; The telescopic driving member can drive the functional member to move out of the housing, and make the functional member push the tilting start portion, so that the top cover rotates to open the housing opening, and the functional member extends out; The telescopic driving member drives the functional member to move into the housing. Under the elastic force of the elastic member, the top cover rotates and resets to close the housing opening, and the functional member is stored.

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