CN208299848U - A kind of multi-functional fixed hand strap - Google Patents

Abstract

The utility model discloses a kind of multi-functional fixed hand straps, comprising: band body, the band body are equipped with sliding rail；Positioning unit is slided, positioning is slided on the sliding rail；Rotational positioning unit, including be connected to sliding positioning unit above shaft, around the rotating seat of the shaft rotational positioning；Can be by the convenient steadily running fix in hand strap of mobile phone using this hand strap, and meet the use demand of user's multi-angle, it is more humanized and diversified.

Description

A kind of multi-functional fixed hand strap

Technical field

The utility model relates to consumer goods industries, especially a kind of multi-functional fixed hand strap.

Background technique

With popularizing for portable mobile apparatus, people can carry mobile phone (or tablet computer etc.) Portable movable Equipment is to carry out the relevant activity such as daily study, work and life.Mobile phone is generally stored in pocket or bag, some People can be suspended on neck and be convenient for carrying, but these modes increase when needing using mobile phone and take out mobile phone or grab again The movement of mobile phone is held, cannot directly be used, and is increasing in screen, in the increased situation of weight of equipment, is suspended on neck On mobile phone weight also will increase the burden of neck.In the prior art, in order to faster more easily using mobile phone, some producers The finger ring button aid grip structure that can be fixed on mobile phone back is devised, mobile phone can be directly sleeved on finger, be not necessarily to Mobile phone can be used in movement by taking out mobile phone.

But this fixed form is not secured enough, mobile phone is easy for falling when finger unclamps, and needs lasting occupy extremely A few hand, it has not been convenient to handle other affairs；Because being needed (such as when running, when mother has infant) in many cases Other movements (such as waving and look after infant) are handled simultaneously, and mobile phone is needed to keep state convenient to use at any time, needed It wants stronger mobile phone fixed effect while both hands can also be liberated.According to this defect, a kind of hand strap is disclosed in the prior art, Mobile phone is fixed in hand strap, however after this hand strap fixes mobile phone, mobile phone cannot rotate angle according to the needs of users, When in use must handle ajust and just can normally watch screen, running fix operation of the mobile phone in hand strap is also relatively complicated, Or very big puzzlement is brought to user, cannot meet the needs of user well.

Utility model content

The utility model aim is the problem of for above-mentioned background technique, provides a kind of multi-functional fixed hand Band, mobile phone can be convenient steadily to be moved and the automatic positioning when stopping in hand strap, and meets the use of user's multi-angle Demand, it is more humanized and diversified.

In order to achieve the above object, the technical solution of the utility model has:

A kind of multi-functional fixed hand strap, comprising:

Band body, the band body are equipped with sliding rail；

Positioning unit is slided, positioning is slided on the sliding rail；

Rotational positioning unit, including be connected to sliding positioning unit above shaft, around the rotation of the shaft rotational positioning Swivel base.In daily life, it frequently encounters and needs to fix mobile phone on manpower, and in the case where can be used at any time, example When such as moving, when looking after infant, but lacked in the prior art for fixing device of the mobile phone on manpower there is various Point, such as the fixation of finger ring are not firm enough, are easy to fall；Fixed bracelet can not allow mobile phone realization rotate freely with quick sliding with Shi Dingwei etc..Inventor observes the inconvenience of people in these daily lifes, is made that on the basis of existing technology very It is improve more.

Basic is used to that an immobilizing foundation be arranged on the position (such as manpower) of needs with body, with the cunning being arranged on body Rail is for guaranteeing that sliding positioning unit can slide on, according to actual needs, by the length and shape that sliding rail is arranged Etc. can come standardize sliding positioning unit sliding path, thus the path of specification handset sliding.Rotational positioning unit is mainly comprehensive Two kinds of functions are closed, the first is fixed mobile phone, prevents from falling；Under the premise of second is guarantees that mobile phone is fixed, it can also revolve Turn and may be implemented the rotation and positioning of multiple angles.Because of manpower inventor uses mobile phone by summarizing in daily life when The experience of the position and posture put, the mobile phone being fixed in hand strap can have various angles with respect to human eye, under normal circumstances, make User needs torticollis to adapt to the direction of mobile phone screen, and posture is unbecoming and brings pressure to neck.Therefore inventor increases Rotational positioning unit in this programme can adjust the angle between mobile phone opposite band body, to obtain at any time according to the actual situation Obtain the angle and optimal usage experience of better viewing screen.Rotating seat on rotational positioning unit is sliding for fixing mobile phone Dynamic positioning unit drives the rotational positioning unit for being fixed with mobile phone to slide on the slide rail, while can also as needed on the slide rail Positioning, in actual use, it is sometimes necessary to mobile phone be fixed on to the outside and inside of hand, specific location also can be according to situation Difference, and the effect for being looped around on arm with body, therefore can sliding positioning makes mobile phone can be with thorny rotational positioning；With Rotational positioning combination above-mentioned can allow user to realize voluntary activity positioning, liberation both hands when using mobile phone, so as to More easily, more convenient and fast mobile phone.

Further, the rotational positioning unit further includes damped ring；The rotating seat is equipped with connecting hole, the rotating seat It is connect by connecting hole with shaft；The damped ring is sheathed in the shaft, and be located at the shaft and the rotating seat it Between.Damped ring is arranged between the connecting hole of rotating seat and shaft to be connected, damping can be played when shaft is rotated around rotating seat Effect, so that rotating seat can arbitrarily will not rotate under the action of after by turn in no powerful external force, to play The effect of rotational positioning.

Still further, the rotational positioning unit further includes support base, the support base is detachably connected with rotating seat. Due to rotating seat be indirectly connected with body, so if directly by mobile phone be completely fixed in band body on, just can not be easily Mobile phone is removed, only removing together with entire band body just can be with, and will result in mobile phone, to be attached to accessory too many, very burdensome.In order to Overcome this possible defect, in addition inventor is arranged support base and is connected with mobile phone, and be detachable company with rotating seat It connects, mobile phone can be fixed in hand strap at any time when needing to do other things, at the same time it can also by mobile phone and support small in size Seat removes independent carrying, meets daily various usage scenarios.

Further, the sliding rail includes the groove along the setting of tape body length direction, and the two sidewalls of the groove are symmetrically set There is relief；The sliding positioning unit includes the first elastic component of the first sliding block, the second sliding block and connection, first elasticity Part connects the first sliding block and the second sliding block, and first sliding block and/or the second sliding block contradict the recessed portion of the relief, compression First sliding block and the second sliding block apart from when the first sliding block and the second sliding block can be slided in groove.

Groove along tape body length direction can provide maximum displacement section for sliding, and it is single to can be convenient sliding positioning The sliding block of member protrudes into；Relief is arranged on the two sidewalls of groove, and multiple recess on the relief that both sides are oppositely arranged are formed Position limiting structure with multiple spacing places；When compressing the distance between the first sliding block and the second sliding block, first can be made The variation of the distance between sliding block and the second sliding block is to be detached from engaging between the recessed portion of groove, so that the first sliding block and the Two sliding blocks can be along sliding in groove；The conflict of first sliding block and/or the second sliding block and relief can anti-sliding stop positioning Unit drops out.

Still further, first sliding block is above the second sliding block, the both ends of the first elastic component are separately connected positioned at upper The first sliding block and the second sliding block of lower section；Alternatively, first sliding block and the second sliding block are located at sustained height position, the first elasticity The both ends of part are separately connected positioned at right and left first sliding block and the second sliding block；Alternatively, first sliding block is equipped with loose slot, the One elastic component and the second sliding block are embedded in the loose slot, and the both ends of the first elastic component are separately connected the slot bottom and second of loose slot Sliding block.When the first sliding block and the first sliding block are setting up and down, depressed power makes the first elastic component shorten, and first is sliding Block is moved downward and is left with relief when engaging, and just there is no limit can be on the length direction of sliding rail for the first sliding block Continue on sliding rail sliding.When the first sliding block and the second sliding block are left and right settings, sliding positioning unit can elasticity for one Flexible entirety, with apart from Flexible change length, stopping between two reliefs during being slided along relief It can be stuck in the recessed portion of relief when mobile, achieve the effect that positioning.And loose slot is set in the first sliding block, by second The direction that sliding block is displaced when deforming with the first elastic component determines, is not easy that buckle occurs during pulling.

Further, the sliding rail further includes the confined planes for being located at the notch two sides of the groove.Pass through the slot in groove Confined planes are arranged in mouthful two sides, further strengthen the positioning limit effect to sliding positioning unit, even if in the first sliding block and/or the The conflict of two sliding blocks and relief is not in very close situation, also can anti-sliding stop positioning unit dropped out out of groove.

Preferably, the relief is corrugated surface or serrated face；The bottom of first sliding block and/or the second sliding block is also Equipped with ball, the ball supports first sliding block and/or the second sliding block to roll on the slot bottom of the groove.Corrugated surface and Serrated face has continuous multiple recess, convenient to position at any time；The setting of ball is by rubbing between third sliding block and sliding rail bottom surface Wiping from sliding friction becomes rolling friction, and frictional force greatly reduces, power needed for reducing mobile sliding positioning unit, using more Add smoothness.

Further, the sliding rail is up-small and down-big dovetail groove；The sliding positioning unit includes and the dovetail groove Matched dovetail slide block, the dovetail slide block are placed in the dovetail groove, and are slided along dovetail groove.Up-small and down-big dovetail groove with Dovetail slide block matching, can make dovetail slide block not drop out when reminding and rotating in slot.

Still further, the sliding positioning unit further includes location structure, the location structure includes pedestal, the second bullet Property part, the first supporting rod and the second supporting rod, the pedestal are connected with the shaft and the dovetail slide block respectively；Described One supporting rod and the second supporting rod are symmetrically disposed on the two sides of the pedestal, pass through the second elastic component phase with the pedestal Even.The location structure connecting with dovetail slide block meets the positioning of sliding positioning unit by clamping two sides, and band body can be thinned Thickness so that hand strap overall structure is lighter.

Still further, first supporting rod and the second supporting rod are symmetrical set, one end and second elasticity Part be connected, the other end to body bend and suppress respectively in the two sides with body.The first folder being connected with the second elastic component It holds bar and the second supporting rod is symmetrical arranged, the sufficiently large thrust on the first supporting rod and slide direction can be made using elasticity This elastic force pressure can be just offset, so that sliding positioning unit is moved along sliding rail, meets use feelings when daily fixed mobile phone Border.

The multi-functional fixed hand strap of one kind of the utility model, comprising: band body, the band body are equipped with sliding rail；Sliding positioning Unit slides positioning on the sliding rail；Rotational positioning unit, including be connected to sliding positioning unit above shaft, around institute State the rotating seat of shaft rotational positioning；Can be by the convenient steadily running fix in hand strap of mobile phone using this hand strap, and it can be with Meet the use demand of user's multi-angle, it is more humanized and diversified.

Detailed description of the invention

Fig. 1 is in the multi-functional fixed hand strap embodiment 1 of one kind of the utility model with the top view after body expansion；

Fig. 2 is the cross-sectional view in the multi-functional fixed hand strap embodiment 1 of one kind of the utility model after sectional horizontal；

Fig. 3 is the cross-sectional view in the multi-functional fixed hand strap embodiment 1 of one kind of the utility model after vertical cutting；

Fig. 4 is the enlarged drawing in Fig. 3 at A；

Fig. 5 is in the multi-functional fixed hand strap embodiment 2 of one kind of the utility model with the top view after body expansion；

Fig. 6 is the cross-sectional view in the multi-functional fixed hand strap embodiment 2 of one kind of the utility model after sectional horizontal；

Fig. 7 is the partial sectional view of sliding positioning unit in the multi-functional fixed hand strap embodiment 2 of one kind of the utility model；

Fig. 8 is the cross-sectional view in the multi-functional fixed hand strap embodiment 2 of one kind of the utility model after vertical cutting；

Fig. 9 is the enlarged drawing in Fig. 3 at B；

Figure 10 is in the multi-functional fixed hand strap embodiment 3 of one kind of the utility model with the top view after body expansion；

Figure 11 is the cross-sectional view in the multi-functional fixed hand strap embodiment 3 of one kind of the utility model after vertical cutting；

Figure 12 is the perspective view of the multi-functional fixed hand strap of one kind of the utility model.

Specific embodiment

The multi-functional fixed hand strap of one kind of the utility model is described with reference to the drawings, as seen from the figure:

As shown in Fig. 1 to 12:

A kind of multi-functional fixed hand strap, including band body 1, rotational positioning unit 2 and sliding positioning unit 3, the band body 1 can It joining end to end to form ring body, which is provided with sliding rail 11, the sliding positioning unit 3 connects the rotational positioning unit 2 and sliding rail, And drive the rotational positioning unit 2 along sliding rail sliding and multipoint positioning；The rotational positioning unit 2 further includes shaft 21, damped ring 22 and support base 24；The rotating seat 23 is equipped with connecting hole, and the rotating seat 23 is connected by connecting hole and shaft It connects；The damped ring 22 is sheathed in the shaft 21, and between the shaft 21 and the rotating seat 23, so that described Rotating seat 23 can make the rotation and positioning of multi-angle centered on the shaft 21；The rotating seat 23 is connected with mobile phone 5, described Support base 24 has magnetism, is that dismountable magnetic absorption is connect with rotating seat 23.

Basic is used to that an immobilizing foundation be arranged on the position (such as manpower) of needs with body 1, with what is be arranged on body 1 Sliding rail is for guaranteeing that sliding positioning unit 3 can slide on, according to actual needs, by length and shape that sliding rail is arranged Shape etc. can come standardize sliding positioning unit 3 slide path, thus specification mobile phone 5 slide path.Rotational positioning unit 2 is main Two kinds of functions are combined, the first is fixed mobile phone 5, prevents from falling；Under the premise of second is guarantees that mobile phone 5 is fixed, also It can rotate and may be implemented the rotation and positioning of multiple angles.Because inventor uses mobile phone by summarizing in daily life The experience of manpower is put when 5 position and posture, the mobile phone 5 being fixed in hand strap can have various angles with respect to human eye, generally In the case of, user needs torticollis to adapt to the direction of 5 screen of mobile phone, and posture is unbecoming and brings pressure to neck.

Therefore, inventor increases the rotational positioning unit 2 in this programme, can adjust mobile phone at any time according to the actual situation Angle between 5 opposite band bodies 1, to obtain the angle and optimal usage experience of better viewing screen.Sliding positioning is single Member 3 drives the rotational positioning unit 2 for being fixed with mobile phone 5 to slide on sliding rail 11, while can also be fixed on the slide rail as needed Position, in actual use, it is sometimes necessary to mobile phone 5 be fixed on to the outside and inside of hand, specific location also can be according to situation Difference, and the effect for being looped around on arm with body 1, therefore can sliding positioning makes mobile phone 5 can be with thorny rotational positioning； User can be allowed to realize voluntary activity positioning, liberation both hands when using mobile phone 5 in conjunction with rotational positioning above-mentioned, so as to With lighter, more convenient and fast mobile phone 5.

It is connected between rotating seat 23 and shaft 21 by damped ring 22, is played when can be rotated in rotating seat 23 with shaft 21 The effect of damping, so that rotating seat 23 can arbitrarily will not rotate under the action of after by turn in no powerful external force, To play the role of rotational positioning.Since rotating seat 23 is indirectly connected with body 1, so if directly that mobile phone 5 is complete It is fixed on band body 1, just can not easily remove mobile phone 5, only removing together with entire band body 1 just can be will result in entirely It is too many that mobile phone 5 is attached to accessory, very burdensome.In order to overcome this possible defect, in addition support base 24 is arranged in inventor It is connected with mobile phone 5, and is detachable connection with rotating seat 23, mobile phone 5 can be fixed at any time when needing to do other things In hand strap, at the same time it can also which mobile phone 5 and support base 24 small in size are removed independent carrying, meets and daily various use field Scape.Specifically, the connection manufacturing cost of buckle-type is lower, and can satisfy detachable use demand；Magnetic-type structure Magnet and ferrous metal are only needed, it is most simply flat that fixation can be realized, it is not necessarily to complex model, dismounting is seamless, and not It is easy aging, it is very convenient.

Embodiment 1, as shown in Figures 1 to 4:

A kind of multi-functional fixed hand strap, the sliding rail 11 include confined planes 111, groove 112 and relief 113, the limit The notch two sides of groove 112 described in plane 111, along the groove 112 for being equipped with bar shaped with 1 length direction of body, the groove 112 Penetrate through the confined planes 111；The relief 113 is corrugated surface, is set to the upper half of the two sidewalls inside the groove 112 Point, the width of rebate of the groove 112 is less than the distance between described two relief 113.The sliding positioning unit 3 includes stretching Enter the first sliding block 31, the first elastic component 32 and the second sliding block 33 of the groove 112, first sliding block 31 and the shaft 21 It is connected, first sliding block 31 is connect with the second sliding block 33 by first elastic component 32, first sliding block 31 and second Sliding block 33 contacts at the lower surface of the confined planes 111 and the bottom of the groove 112 respectively；The both ends of first sliding block 31 The recessed portion of the relief 113 is contacted at respectively, locks the position of the sliding positioning unit 3；Pass through pressing described first Sliding block 31 separates it with the relief 113, releases the sliding positioning unit 3 and locks with the position between body 1；It is described Ball 34 is additionally provided with below second sliding block 33, the ball 34 supports first sliding block 31 to roll on 11 bottom surface of sliding rail It is dynamic.

Maximum displacement section can be provided for sliding along the groove 112 with 1 length direction of body, and it is fixed to can be convenient sliding The sliding block of bit location 3 protrudes into；Relief 113 is arranged in the top half of the two sidewalls of groove 112, the wave that both sides are oppositely arranged Line face forms the position limiting structure with multiple spacing places with continuous multiple recess, facilitates sliding positioning unit and groove side Wall top half positions when engaging, and engagement positioning can be released when being moved to lower half portion；Along with the width of 112 notch of groove Less than the distance between two reliefs 113 so that form the inner cavity body with strip gab in sliding rail 11, when When placing one in cavity greater than this strip gab width (i.e. width of the opening of groove 112), it can be stuck under confined planes 111 Side, is not easy to drop out；Friction between 11 bottom surface of first sliding block 31 and sliding rail is become rolling by the setting of ball 34 from sliding friction Friction, frictional force greatly reduce, power needed for reducing mobile sliding positioning unit 3, and use is more smooth.

It is connected between first sliding block 31 and the second sliding block 33 using the first elastic component 32, so that the first sliding block 31 and second is sliding Block 33 keeps the conflict with the lower surface of confined planes 111 and the bottom of groove 112 in the case where no depressed power, from And the first sliding block 31 is made to keep the conflict with relief 113, when the first sliding block 31 contacts at the recessed portion of relief 113, The first sliding block 31 can be prevented to continue on sliding rail sliding, play the role of position and lock；When depressed power makes the first bullet Property part 32 shortens, and the first sliding block 31 is moved downward and left with relief 113 when engaging, and the first sliding block 31 is in sliding rail Just there is no limit can continue on sliding rail sliding on length direction.This set to slide positioning unit 3 in general shape It is position lock state under state, only can just unlocks when receiving external force, meet use feelings when daily fixed mobile phone 5 Border.

Embodiment 2, as shown in Fig. 5 to 9:

A kind of multi-functional fixed hand strap, the sliding rail 11 include confined planes 111, groove 112 and relief 113, the limit Plane 111 is located at the notch two sides of the groove 112, described recessed along the groove 112 for being equipped with bar shaped with 1 length direction of body Slot 112 penetrates through the confined planes 111；The relief 113 is corrugated surface, is set on the two sidewalls inside the groove 112, The width that the groove 112 is open is less than the distance between described two relief 113.The sliding positioning unit 3 includes first Sliding block 31, the first elastic component 32 and the second sliding block 33, first sliding block 31 is interior to be equipped with loose slot 351, first elastic component 32 and second sliding block 33 successively cover in the access loose slot 351, the sliding positioning unit 3 second sliding block 33 along The loose slot 351 reciprocatingly slides lower completion elastic telescopic, keeps the conflict with the relief 113；First sliding block 31 Lower section is additionally provided with ball 34, and the ball 34 supports first sliding block 31 to roll on 11 bottom surface of sliding rail.

The first sliding block 31 and the second sliding block 33 are connected by the first elastic component 32, so that sliding positioning unit 3 becomes one It can be with the entirety of elastic telescopic, with the distance elasticity between two reliefs 113 during being slided along relief 113 Variation length.It can be stuck in the recessed portion of relief 113 when stopping mobile, achieve the effect that positioning.And in the first sliding block 31 Interior setting loose slot 351, the direction being displaced when the second sliding block 33 is deformed with the first elastic component 32 determines, twisted change will not occur Shape and lose and contradicted between relief 113.

Embodiment 3, as shown in Figure 10 to 11:

A kind of multi-functional fixed hand strap, the sliding rail 11 are up-small and down-big dovetail groove 113；The sliding positioning unit 3 Including with the matched dovetail slide block 39 of the dovetail groove 113, the dovetail slide block 39 is placed in the dovetail groove 113, and along ladder Shape slot 113 slides.The sliding positioning unit 3 further includes location structure, and the location structure includes pedestal 41, the second elastic component 42, the first supporting rod 43 and the second supporting rod 44, the pedestal 41 are sheathed in the shaft 21, the dovetail slide block 39 and institute 21 bottom end of shaft is stated to be connected；First supporting rod 43 and the second supporting rod 44 are symmetrically disposed on the two sides of the pedestal 41, with The pedestal 41 is connected by second elastic component 42；First supporting rod 43 and the second supporting rod 44 are symmetrical set, One end is connected with second elastic component 42, and the other end is additionally provided with to the band bending of body 1 and suppresses block 45, is suppressed respectively in the band The two sides of body 1.

Up-small and down-big dovetail groove 113 is matched with dovetail slide block 39, and dovetail slide block 39 can be made to rotate in prompting slot Shi Buhui is dropped out；The location structure connecting with dovetail slide block 39 meets the positioning of sliding positioning unit 3 by clamping two sides, can The thickness with body 1 is thinned, so that hand strap overall structure is lighter.The first supporting rod 43 for being connected with the second elastic component 42 and Second supporting rod 44 is symmetrical arranged, and the sufficiently large thrust on 11 direction of the first supporting rod 43 and sliding rail can be made using elasticity This elastic force pressure can be just offset, so that sliding positioning unit 3 is moved along sliding rail 11, is made when meeting daily fixed mobile phone 5 Use situation.

Embodiment 4, as shown in Fig. 1,3 and 12:

A kind of multi-functional fixed hand strap, the band body 1 include head end 114 and tail end 115, and the head end 114 is equipped with multiple Card hole 116, the tail end 115 are equipped with the convex buckle 117 matched with the card hole, pass through the convex buckle 117 and the card hole 116 Engaging is so that the three-dimensional closing structure for forming annular with body 1.The connection strap in such a way that card hole 116 is connected with convex buckle 117 The band body 1 of shape is allowed to form annular, and convenient for it from dismounting on hand, structure is simple, the whole compact volume and convenience of band body 1 made.

Embodiment 5 (attached drawing is not shown):

A kind of multi-functional fixed hand strap, the band body 1 is made of soft silicon glue material, including head end and tail end, the head End is equipped with lantern ring and multiple bayonets, and the bayonet is blind hole, is set on the inside of the head end；Be equipped on the outside of the tail end with it is described The matched buckle of bayonet, the tail end are sheathed in the lantern ring, described to be caught in any bayonet, so that the band Body 1 forms cricoid closing structure.11 length of sliding rail accounts for described 2/3rds or more with 1 length of body, and described in evacuation Lantern ring and card hole setting.Soft silica gel material can increase comfort level, and lantern ring adds the structure of bayonet and buckle that band body 1 is detained Non junction on the outside after conjunction is not easy to be suspended to trousers or other positions causes buckle to fall off, and shape be succinctly not easy to be infected with it is dirty.

According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent It is used some specific terms in pipe this specification, these terms are merely for convenience of description, not to the utility model Constitute any restrictions.

Claims (10)

1. a kind of multi-functional fixed hand strap characterized by comprising

Band body, the band body are equipped with sliding rail；

Positioning unit is slided, positioning is slided on the sliding rail；

Rotational positioning unit, including be connected to sliding positioning unit above shaft, around the rotating seat of the shaft rotational positioning.

2. multi-functional fixed hand strap according to claim 1, which is characterized in that the rotational positioning unit further includes damping Circle；The rotating seat is equipped with connecting hole, and the rotating seat is connect by connecting hole with shaft；The damped ring is sheathed on described turn On axis, and between the shaft and the rotating seat.

3. multi-functional fixed hand strap according to claim 2, which is characterized in that the rotational positioning unit further includes support Seat, the support base are detachably connected with rotating seat.

4. multi-functional fixed hand strap according to claim 1, which is characterized in that the sliding rail includes along tape body length direction The two sidewalls of the groove of setting, the groove are symmetrically arranged with relief；The sliding positioning unit is slided including the first sliding block, second The first elastic component of block and connection, first elastic component connect the first sliding block and the second sliding block, first sliding block and/or the Two sliding blocks contradict the recessed portion of the relief, compress the first sliding block and the second sliding block apart from when the first sliding block and the second sliding block It can be slided in groove.

5. multi-functional fixed hand strap according to claim 4, which is characterized in that first sliding block is on the second sliding block Side, the both ends of the first elastic component are separately connected the first sliding block and the second sliding block positioned at upper and lower；Alternatively, first sliding block and Second sliding block is located at sustained height position, and the both ends of the first elastic component are separately connected sliding positioned at right and left first sliding block and second Block；Alternatively, first sliding block is equipped with loose slot, the first elastic component and the second sliding block are embedded in the loose slot, the first elasticity The both ends of part are separately connected the slot bottom and the second sliding block of loose slot.

6. multi-functional fixed hand strap according to claim 4, which is characterized in that the sliding rail further includes being located at the groove Notch two sides confined planes.

7. multi-functional fixed hand strap according to claim 5 or 6, which is characterized in that the relief be corrugated surface or Serrated face；The bottom of first sliding block and/or the second sliding block is additionally provided with ball, the ball support first sliding block and/ Or second sliding block rolled on the slot bottom of the groove.

8. multi-functional fixed hand strap according to claim 2, which is characterized in that the sliding rail is up-small and down-big trapezoidal Slot；The sliding positioning unit includes being placed in the dovetail groove with the matched dovetail slide block of the dovetail groove, the dovetail slide block It is interior, and slided along dovetail groove.

9. multi-functional fixed hand strap according to claim 8, which is characterized in that the sliding positioning unit further includes positioning Structure, the location structure include pedestal, the second elastic component, the first supporting rod and the second supporting rod, the pedestal respectively with institute Shaft is stated to be connected with the dovetail slide block；First supporting rod and the second supporting rod are symmetrically disposed on the two sides of the pedestal, It is connected with the pedestal by second elastic component.

10. multi-functional fixed hand strap according to claim 9, which is characterized in that first supporting rod and the second clamping Bar is symmetrical set, and one end is connected with second elastic component, and the other end bends to band body and suppresses respectively in the band body Two sides.