Mask with length-adjustable hanging rope
By introducing the meshing mechanism of gears and wire rollers into the mask, combined with plastic rubber strips and protective pads, the problem of unadjustable length and insufficient sealing of the lanyard is solved, and the adjustment of the lanyard length and the wearing comfort are improved, which enhances the enhancement of the lanyard length. The protective effect of the mask.
Patent Information
- Application Number
- CN202420653703.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The length of the existing mask lanyard is not adjustable, resulting in ear pain and discomfort when worn for a long time, and insufficient sealing, affecting the protective effect.
A lanyard length adjustable mechanism including fixed box, gear, connecting block, wire roller and spring is designed to enable the expansion and contraction of the lanyard through the meshing of gear and wire roller, combining plastic rubber strips and protective pads to improve wear comfort and sealing.
It realizes personalized adjustment of the length of the lanyard, reduces the burden on the ear, improves wearing comfort and sealing, ensures that the mask fits better on the face, and enhances the filtering effect.
Smart Images

Figure CN222149137U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of masks, in particular to a mask with an adjustable hanging rope length. Background Art
[0002] The mask lanyard has an adjustable length, allowing users to adjust it according to their head size and personal comfort. This personalized design can provide a more fitted wearing experience and reduce the discomfort that may be caused by long-term wearing. The adjustment of the lanyard length can ensure that the mask fits the face better when worn and improve the sealing of the mask. Sealing is a key factor in the effective protection of the mask, which can reduce the infiltration of external air and thus improve the filtering effect. Traditional masks usually use an ear hook design, which may cause ear pain or discomfort when worn for a long time. The adjustable length lanyard design can evenly distribute the pressure on the head, reduce the burden on the ears, and improve wearing comfort.
[0003] After searching, the publication number CN219679842U discloses a mask. By grasping the key points of the problem, the flat mask is folded in half, and the folding folds provided in the mask are reasonably arranged. A plate or strip is further provided in the middle area of the mask. The length of the plate or strip is the same as the length of the folding fold, so as to form a mask that fits the face, and at the same time, the mask does not slide down due to talking and other reasons and destroy the structure. The edge of the mask fits the face, and a structure that does not touch the lips and has a large ventilation area is formed in the mouth and nose area. The mask structure with improved tightness that is acceptable to everyone is truly solved.
[0004] The above application has the problem that the lanyard does not have an adjustable length and the ear pain and discomfort caused by wearing the mask for a long time. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a mask with an adjustable lanyard length, aiming to improve the problem that the lanyard does not have an adjustable length and the ear pain and discomfort caused by wearing the mask for a long time.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mask with adjustable hanging rope length, comprising a main body, both ends of the upper outer side of the main body are fixedly connected to a fixing box, a first gear is provided inside the fixing box, the outer side of the first gear is meshedly connected to the second gear, the inner sides of the first gear and the second gear are fixedly connected to a connecting block, one end of the two connecting blocks are rotatably connected to the outer side of the fixing box, wherein a wire roller is fixedly connected to the top of one of the connecting blocks, a hanging rope is fixedly connected to the outer side of the wire roller, one end of the hanging rope is fixedly connected to a fixing ring, the outer side of the fixing ring is fixedly connected to the outer side of the main body, the top of the other connecting block is fixedly connected to a fixing block, four ends of the outer side of the fixing block are provided with card slots, the outer sides of the plurality of card slots are tightly attached to fixing strips, the outer side of the fixing strip is fixedly connected to a rotating block, a spring is placed inside the rotating block, and one end of the outer side of the rotating block is inserted and connected to the inner side of the top cover.
[0007] Preferably, a hole is opened on the side surface of one end of the fixing box, the hanging rope is inserted and connected inside the hole, a protective pad is fixedly connected to the outside of the hanging rope, and the hole is circular.
[0008] Preferably, one end of the spring is fixedly connected to the outside of the fixed block, and the other end of the spring is fixedly connected to the inside of the rotating block.
[0009] Preferably, a groove is provided on the outside of the connecting block, and the groove is arc-shaped.
[0010] Preferably, the top of the fixed box is fixedly connected to a top cover, and the top of the wire roller is rotatably connected to the bottom of the top cover.
[0011] Preferably, a plastic rubber strip is fixedly connected to the outside of the main body.
[0012] Preferably, the protection pad is made of rubber.
[0013] Preferably, notches are provided inside the first gear and the second gear, and the outside of the notches is fixedly connected to the outside of the groove.
[0014] Preferably, the fixing box, the first gear, the second gear and the top cover are all made of light plastic material.
[0015] The utility model has the following beneficial effects:
[0016] 1. In the utility model, the rotating block drives the fixed block to rotate, the fixed block drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the wire roller to rotate, and the wire roller drives the hanging rope to retract and retract, so as to achieve the effect of adjusting the length of hanging ropes of different sizes according to the different head sizes of the wearer.
[0017] 2. In the utility model, by fixing the protective pad on the outside of the lanyard, the ear pain caused by wearing the mask for a long time can be alleviated.
[0018] 3. In the utility model, the plastic rubber strip fixedly connected to the outside of the mask allows the wearer to adjust the fit between the mask and the face when wearing it, so as to achieve an effect of better fitting the face and not easy to fall off. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 A three-dimensional diagram of a mask with adjustable hanging rope length proposed by the utility model;
[0020] Figure 2 This is a schematic diagram of the fixing block structure of a mask with adjustable hanging rope length proposed by the utility model;
[0021] Figure 3 This is a schematic diagram of the internal structure of a fixing box of a mask with adjustable hanging rope length proposed by the utility model;
[0022] Figure 4 The utility model provides a schematic diagram of the rotating block structure of a mask with adjustable hanging rope length.
[0023] Legend:
[0024] 1. Main body; 2. Fixed ring; 3. Plastic rubber strip; 4. Top cover; 5. Protective pad; 6. Hanging rope; 7. Rotating block; 8. Fixed block; 9. First gear; 10. Hole; 11. Line roller; 12. Second gear; 13. Fixed box; 14. Spring; 15. Fixed strip; 16. Slot; 17. Connecting block; 18. Groove. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] Reference Figure 1-4The utility model provides an embodiment: a mask with adjustable hanging rope length, comprising a main body 1, both ends of the upper outer part of the main body 1 are fixedly connected with a fixing box 13, a first gear 9 is arranged inside the fixing box 13, the outer part of the first gear 9 is meshedly connected with a second gear 12, the inner parts of the first gear 9 and the second gear 12 are fixedly connected with a connecting block 17, one end of the two connecting blocks 17 are rotatably connected to the outer part of the fixing box 13, a wire roller 11 is fixedly connected to the top of one of the connecting blocks 17, a hanging rope 6 is fixedly connected to the outer part of the wire roller 11, one end of the hanging rope 6 is fixedly connected to a fixing ring 2, the outer part of the fixing ring 2 is fixedly connected to the outer part of the main body 1, a fixing block 8 is fixedly connected to the top of the other connecting block 17, and the outer four ends of the fixing block 8 are provided with a card slot 16, and a plurality of card slots 1 6 are all tightly attached to the outside of the fixing bar 15, the outside of the fixing bar 15 is fixedly connected with a rotating block 7, the inside of the rotating block 7 is provided with a spring 14, and one end of the outside of the rotating block 7 is inserted and connected to the inside of the top cover 4; by rotating the rotating block 7 inserted and connected to the outside of the top cover 4, the fixing block 8 is driven to rotate, and the rotation of the fixing block 8 drives the connecting block 17 fixedly connected thereto to rotate, the outside of the connecting block 17 is fixedly connected to the inside of the first gear 9, and the second gear 12 is driven to rotate through the meshing connection between the first gear 9 and the second gear 12, and the inside of the second gear 12 is also fixedly connected with a connecting block 17, and the connecting block 17 drives the line roller 11 fixedly connected thereto to rotate, and one end of the hanging rope 6 is fixedly connected to the outside of the line roller 11, and the effect of adjusting the length of the hanging rope 6 can be achieved by rotating the line roller 11.
[0027] Reference Figure 1 , Figure 3 A hole 10 is provided on the side of one end of the fixing box 13, and the hanging rope 6 is inserted and connected to the inside of the hole 10. A protective pad 5 is fixedly connected to the outside of the hanging rope 6. The hole 10 is circular and the protective pad 5 is made of rubber. The hanging rope 6 passes through the hole 10 to limit the position, and the protective pad 5 fixedly connected to the outside of the hanging rope 6 can protect the wearer from ear pain caused by wearing the mask for a long time.
[0028] Reference Figure 4 One end of the spring 14 is fixedly connected to the outside of the fixed block 8, and the other end of the spring 14 is fixedly connected to the inside of the rotating block 7; the spring 14 fixed inside the fixed block 8 and the rotating block 7 can play a telescopic effect, achieving the effect of repeated use.
[0029] Reference Figure 2 A groove 18 is provided on the outside of the connecting block 17, and the groove 18 is arc-shaped; the arc-shaped groove 18 provided on the outside of the connecting block 17 can better fit the notches provided inside the first gear 9 and the second gear 12.
[0030] Reference Figure 1 , Figure 3The top of the fixed box 13 is fixedly connected to the top cover 4, and the top of the wire roller 11 is rotatably connected to the bottom of the top cover 4; by rotatably connecting the top of the wire roller 11 to the top cover 4, the wire roller 11 can achieve the effect of fixing and limiting when rotating.
[0031] Reference Figure 1 A plastic rubber strip 3 is fixedly connected to the outside of the main body 1; the plastic rubber strip 3 fixedly connected to the outside of the main body 1 can make the mask fit the wearer's face more closely.
[0032] Reference Figure 2 The first gear 9 and the second gear 12 are both provided with notches inside, and the outside of the notches are fixedly connected to the outside of the groove 18; the notches provided inside the first gear 9 and the second gear 12 can be fixedly connected to the groove 18 provided on the outside of the connecting block 17.
[0033] Reference Figure 1 , Figure 3 The fixing box 13, the first gear 9, the second gear 12 and the top cover 4 are all made of light plastic materials; by fixing the box 13, the first gear 9, the second gear 12 and the top cover 4 are all made of light plastic materials, the wearer can feel more relaxed when wearing and the weight when wearing is reduced.
[0034] Working principle: when the wearer needs to adjust the length of the hanging rope 6, the rotating block 7 connected to the outside of the top cover 4 is rotated to drive the fixed block 8 to rotate, and the fixed block 8 rotates to drive the connecting block 17 fixedly connected to it to rotate, and the outside of the connecting block 17 is fixedly connected to the inside of the first gear 9, and the meshing connection between the first gear 9 and the second gear 12 drives the second gear 12 to rotate. The connecting block 17 is also fixedly connected to the inside of the second gear 12, and the connecting block 17 drives the line roller 11 fixedly connected to it to rotate, and one end of the hanging rope 6 is fixedly connected to the outside of the line roller 11. By rotating the line roller 11, the effect of adjusting the length of the hanging rope 6 can be achieved, and the protective pad 5 fixedly connected to the outside of the hanging rope 6 can protect the wearer from ear pain caused by wearing a mask for a long time. At the same time, the fixing box 13, the first gear 9, the second gear 12 and the top cover 4 are all set to lightweight plastic materials, which can make the wearer more relaxed when wearing and reduce the weight when wearing.
[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A mask with adjustable hanging rope length, comprising a main body (1), characterized in that: Both ends of the upper part of the exterior of the main body (1) are fixedly connected to a fixing box (13); a first gear (9) is provided inside the fixing box (13); the exterior of the first gear (9) is meshingly connected to a second gear (12); the interiors of the first gear (9) and the second gear (12) are fixedly connected to a connecting block (17); one end of each of the two connecting blocks (17) is rotatably connected to the exterior of the fixing box (13); a wire roller (11) is fixedly connected to the top of one of the connecting blocks (17); the exterior of the wire roller (11) is fixedly connected to a hanging rope (6); One end of the hanging rope (6) is fixedly connected to a fixing ring (2), the outside of the fixing ring (2) is fixedly connected to the outside of the main body (1), the top of another connecting block (17) is fixedly connected to a fixing block (8), four ends of the outside of the fixing block (8) are provided with card slots (16), the outsides of a plurality of the card slots (16) are tightly attached to fixing bars (15), the outside of the fixing bar (15) is fixedly connected to a rotating block (7), a spring (14) is placed inside the rotating block (7), and one end of the outside of the rotating block (7) is inserted and connected to the inside of the top cover (4).
2. A mask with adjustable hanging rope length according to claim 1, characterized in that: A hole (10) is provided on the side surface of one end of the fixing box (13), the hanging rope (6) is inserted and connected inside the hole (10), and a protective pad (5) is fixedly connected to the outside of the hanging rope (6), and the hole (10) is circular.
3. The mask with adjustable hanging rope length according to claim 1, characterized in that: One end of the spring (14) is fixedly connected to the outside of the fixed block (8), and the other end of the spring (14) is fixedly connected to the inside of the rotating block (7).
4. The mask with adjustable hanging rope length according to claim 1, characterized in that: The connection block (17) is provided with a groove (18) on the outside, and the groove (18) is in an arc shape.
5. The mask with adjustable hanging rope length according to claim 1, characterized in that: The top of the fixed box (13) is fixedly connected to the top cover (4), and the top of the wire roller (11) is rotatably connected to the bottom of the top cover (4).
6. The mask with adjustable hanging rope length according to claim 1, characterized in that: A plastic rubber strip (3) is fixedly connected to the outside of the main body (1).
7. The mask with adjustable hanging rope length according to claim 2, characterized in that: The protection pad (5) is made of rubber.
8. The mask with adjustable hanging rope length according to claim 1, characterized in that: The first gear (9) and the second gear (12) are both provided with notches inside, and the outside of the notches is fixedly connected to the outside of the groove (18).
9. The mask with adjustable hanging rope length according to claim 1, characterized in that: The fixing box (13), the first gear (9), the second gear (12) and the top cover (4) are all made of light plastic material.
