CN220090418U - Novel swimming goggles bandeau adjusts structure - Google Patents

Abstract

The utility model discloses a novel swimming goggles head band adjusting structure which comprises a front cover, a rear cover, racks, gears and a knob, wherein an upper sliding groove and a lower sliding groove which are matched with the racks are formed in the front cover, two pawls are fixedly arranged in a first through hole in an annular array, a first bulge is fixedly arranged at the outer end of each pawl, a positioning column is fixedly arranged at the center of the rear cover, and the rear cover is fixedly arranged on the front cover. The adjusting mechanism can realize the shrinkage and release operation of the rack through the single-hand operation knob, has the advantages of simple structure and easy adjustment, has an elastic self-locking function when the head band is tightened and kept, and can be used as the head band or connected with the head band when the head band is outwards stretched and released, and the second inclined-tooth ratchet teeth of the knob push the first protrusions to enable the pawls to be easily lifted and released from the first inclined-tooth ratchet teeth.

Description

Novel swimming goggles bandeau adjusts structure

Technical Field

The utility model belongs to the technical field of protective articles for sports, and particularly relates to a novel swimming goggles head band adjusting structure.

Background

In summer, the sun is a good day for swimming. The children can be brought to swim, and the summer heat can be avoided and the children can be cooled; can also strengthen the body and eliminate fatigue in work; and the parent-child relationship can be improved. And thus are increasingly being favored. Swimming goggles are already the standard of swimming lovers. Traditional swimming goggles have troublesome adjustment of the headband; various adjusting modes can not be used by both hands, and the most suitable and comfortable position can not be adjusted.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the headband adjusting structure is simple in structure, easy to assemble and use, and can be adjusted by one hand.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the utility model provides a novel swimming goggles bandeau adjusting structure, includes protecgulum, hou gai, rack, gear and knob, be provided with two upper and lower and rack matched with spouts on the protecgulum, the spout link up the protecgulum both ends about, rack slidable mounting is in the spout, protecgulum central point puts the department and is provided with first through-hole, be the fixed two pawls that are provided with of annular array in the first through-hole, the fixed first arch that is provided with in pawl outer end, the fixed reference column that is provided with in back lid central point put department, back lid fixed mounting is covered in the front, gear rotation cup joints and installs on the reference column, have gear tooth, first helical gear ratchet tooth and second arch on the gear, the gear passes through gear tooth and rack meshing transmission, the symmetry is provided with two slotted holes spacing grooves on the knob, be provided with second helical gear ratchet tooth on the knob, second helical gear tooth is opposite with the slope direction of first helical gear tooth, pawl and first helical gear tooth are installed to the pawl and are located the fixed to be provided with the reference column, the helical gear tooth is installed outside the screw thread and is used for the external thread to take off the knob to the restriction on the external thread of the knob.

Preferably, the root diameter dimension of the first helical gear ratchet teeth is from 0.8 to 2 times the diameter dimension of the gear tooth root diameter.

Preferably, the length dimension of the limiting groove is 1.5-2 times of the diameter dimension of the second bulge.

Preferably, the root diameter dimension of the second helical gear ratchet teeth is greater than the root diameter dimension of the first helical gear ratchet teeth.

Preferably, the outer end of the rack is provided with a second through hole.

Preferably, a protective cover is fixedly arranged on the knob.

Preferably, the circumference surface of the protective cover is provided with anti-skid patterns.

Preferably, the first through hole is provided with two limiting plates in an integrated manner, and a gear tooth limiting hole is formed between the two limiting plates.

Preferably, the knob edge is annular array integrated into one piece and is provided with the anticreep buckle, the outer end of the first through-hole of protecgulum is provided with annular draw-in groove, anticreep buckle embedding is installed in the anticreep draw-in groove.

Compared with the prior art, the utility model has the following advantages: the adjusting mechanism can realize the shrinkage and release operation of the rack through the single-hand operation knob, has the advantages of simple structure and easy adjustment, has an elastic self-locking function when the head band is tightened and kept, and can be used as the head band or connected with the head band when the head band is outwards stretched and released, and the second inclined-tooth ratchet teeth of the knob push the first protrusions to enable the pawls to be easily lifted and released from the first inclined-tooth ratchet teeth.

Drawings

The utility model is further described below with reference to the accompanying drawings.

Fig. 1 is an exploded view of the present utility model.

Fig. 2 is a front view of the present utility model.

Fig. 3 is a schematic view of the internal structure of the present utility model.

Fig. 4 is a perspective view of the front cover.

Fig. 5 is a perspective view of the rear cover.

Fig. 6 is a perspective view of a gear.

Fig. 7 is a perspective view of the knob.

Fig. 8 is a bottom view of the present utility model.

Fig. 9 is an enlarged schematic view of the structure at M of fig. 8.

Detailed Description

The utility model is described in detail below in connection with specific embodiments:

the utility model provides a novel swimming goggles bandeau adjusting structure as shown in fig. 1 through 9, includes protecgulum 1, hou gai 2, rack 3, gear 4 and knob 5, be provided with two runner 12 with rack 3 matched with from top to bottom on the protecgulum 1, runner 12 link up protecgulum 1 left and right sides both ends, rack 3 slidable mounting is in runner 12, protecgulum 1 central point puts department and is provided with first through-hole, be annular array fixed two pawls 11 in the first through-hole, pawl 11 outer end fixed first arch 111, back lid 2 central point puts the fixed reference column 21 that is provided with in department, back lid 2 fixed mounting is on protecgulum 1, gear 4 rotates and cup joints and install on reference column 21, gear 4 is last to have gear tooth 41, first helical gear ratchet tooth 42 and the protruding 43 of second, gear 4 is through gear tooth 41 and 3 meshing transmission, the last symmetry of knob 5 is provided with two slotted holes spacing groove 52, be provided with the second helical gear tooth 5 in the first through-hole, be the fixed two pawls 11 that are provided with of annular array in the first through-hole, the second helical gear tooth 51 is installed in the second helical gear 5, the helical gear 51 is installed at the second helical gear tooth 51 outside the first helical gear 51, the helical gear 51 is used for the ratchet tooth 51 is cup joint to the second helical gear 51, and the helical gear 51 is installed in the opposite direction of the helical gear 51, and is used for the helical gear 51 is connected to the positive ratchet tooth 51 to the outside the first helical gear 51.

As a preferred design structure size, the root diameter size of the first helical ratchet teeth 42 is 1.2 times of the root diameter size of the gear teeth 41, the length size of the limiting groove 52 is 1.6 times of the diameter size of the second bulge 43, the diameter size of the limiting groove 52 is larger than 1.5mm of the diameter size of the second bulge 43, the root diameter size of the second helical ratchet teeth 51 is larger than the root diameter size of the first helical ratchet teeth 42, and the design structure size is compact in assembly, so that the knob 5 can easily drive the gears 4 and 3 to rotate, and meanwhile, the limiting groove can be engaged with the first helical ratchet teeth 42 through the pawl 11.

The outer end of the rack 3 is provided with a second through hole 31, and the rack 3 is connected with the swimming goggles body through a third through hole 31.

The knob 5 is fixedly provided with a protective cover 6, the circumferential surface of the protective cover 6 is provided with anti-slip patterns, the knob 5 can be shielded and protected through the protective cover 6, the anti-slip patterns can enable the surface of the protective cover 6 to have anti-slip characteristics, and a user can conveniently rotate the protective cover 6.

The inside integrated into one piece of first through-hole is provided with two limiting plates 12, forms gear tooth 41 spacing hole 13 between two limiting plates 12, gear tooth 41's top and spacing hole 13 contact, therefore spacing hole 13 can restrict gear tooth 41 and beat, reduces the shearing force to reference column 21, prolongs its life.

The knob 5 edge is annular array integrated into one piece and is provided with anticreep buckle 53, the outer end of the first through-hole of protecgulum 1 is provided with annular draw-in groove, anticreep buckle 53 embedding is installed in anticreep draw-in groove to anticreep buckle 53 can slide in anticreep draw-in groove, and this structure has the advantage of being convenient for install, even after the anticreep screw rod is released from reference column 21, knob 5 also can not deviate from on protecgulum 1 and the reference column 21.

The following describes two movement directions, namely forward rotation and reverse rotation, in the self-locking state as shown in fig. 9:

forward rotation: when the knob 5 drives the gear 4 to rotate clockwise, the pawl 11 is forced to deform and release under the action of torsion force, and the gear teeth 41 on the gear 4 drive the rack 3 to shrink inwards, so that the function of tightening the headband is realized.

Reversing: when the knob 5 rotates anticlockwise, a movable gap exists between the limiting groove 52 on the knob 5 and the second bulge 43, so that the knob 5 can rotate first, the limiting groove 52 and the second bulge 43 move relatively, the second helical ratchet teeth 51 push the first bulge 111 to lift, release and separate the pawl 11 from the first helical ratchet teeth 42, and the gear teeth 41 on the gear 4 drive the rack 3 to extend outwards, so that the function of releasing a headband is realized.

Claims (9)

1. Novel swimming goggles bandeau adjusts structure, its characterized in that: the rotary table comprises a front cover (1), a rear cover (2), racks (3), gears (4) and a knob (5), wherein two sliding grooves (12) matched with the racks (3) are arranged on the front cover (1), the sliding grooves (12) penetrate through the left end and the right end of the front cover (1), the racks (3) are slidably arranged in the sliding grooves (12), a first through hole is formed in the central position of the front cover (1), two pawls (11) are fixedly arranged in the first through hole in an annular array, a first protrusion (111) is fixedly arranged at the outer end of each pawl (11), a positioning column (21) is fixedly arranged at the central position of the rear cover (2), the rear cover (2) is fixedly arranged on the front cover (1), the gears (4) are rotatably sleeved on the positioning column (21), gear teeth (41), first bevel gear teeth (42) and second protrusions (43) are arranged on the gears (4), the gears (3) are in transmission mode through the gear teeth (41), two rotary tables (52) are symmetrically arranged on the second bevel gear teeth (52), limit grooves (52) are symmetrically arranged on the second bevel gear teeth (5), the second helical gear ratchet teeth (51) are opposite to the first helical gear ratchet teeth (42) in inclination direction, the pawl (11) is meshed with the first helical gear ratchet teeth (42), the first protrusions (111) are embedded in the second helical gear ratchet teeth (51), the knob (5) is rotatably sleeved on the positioning column (21), and the outer end of the positioning column (21) is provided with an anti-falling screw rod in a threaded mode, and the anti-falling screw rod is used for limiting the knob (5) to deviate outwards.

2. The novel swimming goggles headband adjustment structure of claim 1, wherein: the root circle diameter size of the first helical ratchet teeth (42) is 0.8-2 times the root circle diameter size of the gear teeth (41).

3. The novel swimming goggles headband adjustment structure of claim 1, wherein: the length dimension of the limiting groove (52) is 1.5-2 times of the diameter dimension of the second protrusion (111).

4. The novel swimming goggles headband adjustment structure of claim 2, wherein: the root diameter dimension of the second helical gear ratchet teeth (51) is greater than the root diameter dimension of the first helical gear ratchet teeth (42).

5. The novel swimming goggles headband adjustment structure of claim 1, wherein: the outer end of the rack (3) is provided with a second through hole (31).

6. The novel swimming goggles headband adjustment structure of claim 1, wherein: a protective cover (6) is fixedly arranged on the knob (5).

7. The novel swimming goggles headband adjustment structure of claim 6, wherein: the circumference of the protective cover (6) is provided with anti-skid patterns.

8. The novel swimming goggles headband adjustment structure of claim 1, wherein: two limiting plates (12) are integrally formed in the first through hole, and a gear tooth (41) limiting hole (13) is formed between the two limiting plates (12).

9. The novel swimming goggles headband adjustment structure of claim 1, wherein: the knob (5) edge is annular array integrated into one piece and is provided with anticreep buckle (53), the outer end of the first through-hole of protecgulum (1) is provided with annular draw-in groove, anticreep buckle (53) embedding is installed in anticreep draw-in groove.