CN110384607A

CN110384607A - Forearm crutch

Info

Publication number: CN110384607A
Application number: CN201810358786.2A
Authority: CN
Inventors: 朱家田; 潘冬春
Original assignee: Chao Xu Industrial Ltd By Share Ltd
Current assignee: Chao Xu Industrial Ltd By Share Ltd
Priority date: 2018-04-20
Filing date: 2018-04-20
Publication date: 2019-10-29

Abstract

The invention discloses a kind of forearm crutch, including a support rod, a handle, a clamping device, the support rod to land, and top has a collet portion；The handle is set to corresponding collet portion lower position in front of support rod again；The clamping device includes two corresponding intermediate plates, two corresponding elastomers again, two intermediate plates are respectively arranged on two side of collet portion, two elastomers are engaged with two intermediate plates and collet portion respectively again, and two intermediate plates are provided and correspond to collet portion elastic clip resultant force, the support rod has the length-adjustable upper and lower body of rod again, is equipped with flexible support portion below the lower body of rod；The present invention can have preferable clamping forearm stability, convenience and comfort whereby.

Description

Forearm crutch

Technical field

The present invention relates to a kind of forearm crutch, preferable clamping stability and use can be had by referring mainly to a kind of crutch and forearm The forearm crutch of convenience.

Background technique

Known forearm crutch mainly above crutch setting can clamping forearm collet to promote gripping stability, such as Fig. 9 It is shown one of conventional construction, mainly there is a support rod 1 ', a handle 2 ', a collet portion 3 ', 1 ' the lower section setting of support rod The body 11 ' of soft plastic, but the handle 2 ' is set to 1 ' top position of support rod, and the collet portion 3 ' is pushed up set on support rod 1 ' End has two left and right opposite intermediate plates 31 ', 32 ', and two intermediate plates 31 ', 32 one end are connect with support rod 1 ', two intermediate plates 31 ', 32 ' The other end has spacing 33 ', and makes have fit slot 34 ' between two intermediate plates 31 ', 32 ', so that the hand of user can hold handle 2 ', and forearm can protrude into fit slot 34 ' and by 31 ', 32 ' clamping of intermediate plate, and can be promoted by 3 ' clamping forearm of collet portion Hand holds crutch stability of strutting system.

If however causing two intermediate plates 31 ', 32 ' that clamping forearm cannot be stablized when the deformation of aforementioned intermediate plate 31 ', 32 ', and cause Forearm is detached from situation by the spacing 33 ', and the support elasticity of body 11 ' below the steady arm 1 ' is bad, has comfort Bad missing.

The preceding above-mentioned missing forearm as disclosed in U.S. US20110232709 of improvement is turned to be set between the two intermediate plate ends in collet portion A band body is set, and is placed in forearm behind collet portion and enables band body in conjunction with two intermediate plate ends again；Thus forearm can be by two intermediate plates and band Body surround engagement to promote collet portion and forearm bond stability, however band body and two intermediate plates must be operated when aforementioned structure use Engagement has and uses inconvenient missing.

Summary of the invention

The main purpose of the present invention is to provide a kind of forearm crutch, make crutch and forearm have preferable clamping stability and Ease of use.

Another object of the present invention is to provide a kind of forearm crutch, it is possible to provide preferably support comfort.

Another object of the present invention is to provide a kind of forearm crutch, adjustable length promotes applicability.

Based on this, the present invention mainly uses utilising techniques, Lai Shixian above-mentioned purpose.

A kind of forearm crutch a, comprising: support rod that can be landed, top have a collet portion；One handle is set to support rod Front corresponds to collet portion lower position；One clamping device has two corresponding intermediate plates, two corresponding elastomers, two intermediate plates difference Set on two side of collet portion, two elastomers are engaged with two intermediate plates and collet portion respectively, and are provided two intermediate plates and corresponded to collet portion elastic clip With joint efforts.

Further, opposite notch is arranged in two side of collet portion of the support rod, and it is convex to be respectively set one in two notch upper and lowers For the upper and lower articulated section of notch side, articulated section has pivot hole on this, which has the jack-post protruded upward, should Clamping device further includes two corresponding pivot columns, two intermediate plates be respectively provided with can clamping forearm clip portion, clip portion one end setting Side articulated section, the side articulated section are placed in the gap position in collet portion, and above the side articulated section pivot hole position of corresponding upper articulated section Install slot, below the side articulated section jack-post position setting of corresponding lower articulated section can fitting jack-post axis hole；Two clip portions Front end has spacing；Two pivot columns are respectively arranged on the pivot hole position of articulated section on two, and slot can be interted by having below the pivot column Plug division, and make intermediate plate that pivot column can be driven in rotating in pivot hole, each elastomer collet portion with a pivot column and support rod respectively Engagement, and two intermediate plates are provided and correspond to collet portion elastic clip resultant force.

Further, the elastomer is metal material.

Further, pivot hole inner wall of articulated section is extended an insertion slot on this, joint portion is arranged above the pivot column, this connects Groove is arranged in conjunction portion, and two elastomers are torque spring, and the elastomer has spring coil and two ends, which is placed on pivot column On joint portion, and the end of the elastomer is engaged with the insertion slot of the groove of pivot column and upper articulated section respectively.

Further, which is arranged the diameter limiting section smaller than jack-post above jack-post, and convex in limiting section outer rim If limit body；Below the side articulated section of the intermediate plate jack-post position setting of corresponding lower articulated section can fitting jack-post axis hole, the axis Above hole setting can with limit body against and limit the gears of two intermediate plate minimum clamping angles and lean on body.

Further, which further includes two lids, and two lids cover the pivot hole for closing articulated section respectively.

Further, pivot hole inner wall setting of articulated section engages convex body on this；The lid have cover board and from cover board periphery to The side wall of lower extension, the lid are engaged by side wall with convex body is engaged to cover conjunction pivot hole.

Further, which includes a upper body of rod, a lower body of rod and a navigation button, and the upper and lower body of rod is by navigation button group It closes, which is set in upper body of rod, and support portion is arranged below lower body of rod.

Further, directly to setting engaging groove below the upper body of rod, which is arranged engaging hole, lower body of rod top With the plug division that can intert engaging groove, support portion is set, which is arranged more in different height position below the lower body of rod A engaging hole, and make plug division be inserted into engaging groove after, then enable navigation button intert the upper and lower body of rod engaging hole bit combination support Pole length.

Further, which has and connect below a straight section and plug division, arc-shaped with one below the straight section Bending section, bending section lower section have bottom, and the corresponding relatively upper and lower inner face in bending section, which is distinguished, to be supported in projection one against piece, once By piece, this has the spacing that can provide bending section compressive deformation between piece above and below.

After above-mentioned technological means, the present invention is designed by the structure of clamping device, and the clamping device has two pairs Intermediate plate, the two corresponding elastomers answered, two intermediate plates are respectively arranged on two side of collet portion, two elastomers respectively with two intermediate plates and collet portion Engagement, and two intermediate plates are provided and correspond to collet portion elastic clip resultant force, thus two intermediate plates of clamping device can by elastomer offer compared with Good clamping power, to promote clamping forearm convenience, reliability and stability；By the way that support rod is divided into upper body of rod and lower beam Body, directly to setting engaging groove, which is arranged engaging hole for upper body of rod lower section, and lower body of rod top, which has to intert, to be connect The plug division of slot is closed, support portion is set below the lower body of rod, which is arranged multiple engaging holes in different height position, and makes Plug division be inserted into engaging groove after, then enable navigation button intert the upper and lower body of rod engaging hole bit combination support pole length, realization can It adjusts length and promotes applicability, and bending section is set below the lower body of rod, it is possible to provide preferably support comfort, and corresponding bending section Relatively in the projection of upper and lower inner face difference against piece, under against piece, this above and below against piece against can limit flexion portion deflection, can With preferable support safety effect.

Detailed description of the invention

Fig. 1 is exploded view of the invention.

Fig. 2 is optical cable of the invention.

Fig. 3 is constitutional diagram of the invention.

Fig. 4 is the A-A cross-sectional view of corresponding diagram 3 of the present invention.

Fig. 5 is the B-B cross-sectional view of corresponding diagram 3 of the present invention.

Fig. 6 is intermediate plate clamping forearm schematic diagram of the present invention.

Fig. 7 is that present invention adjustment supports pole length schematic diagram.

Fig. 8 is implementation diagram of the present invention.

Fig. 9 is known forearm crutch schematic diagram.

[symbol description]

1 support rod 10 is against 11 upper body of rod of convex body, 111 engaging hole

112 limited slip block, 113 engaging groove, 114 engaging hole

12 lower body of rod, 13 collet portion, 131 notch

141 pivot hole of articulated section, 142 insertion slot on 14

Lower 151 jack-post of articulated section of 143 engaging convex bodys 15

152 limiting section, 153 limit body, 16 plug division

161 engaging hole, 17 support portion, 171 straight section

18 bending section, 181 bottom, 182 sliding-proof pad

Against 185 spacing of piece under piece 184 on 183

19 navigation button, 2 handle, 3 clamping device

31 intermediate plate, 311 clip portion, 312 side articulated section

313 slot, 314 axis hole 315 gear leans on body

316 spacing, 32 pivot column, 321 plug division

322 joint portion, 323 groove, 33 elastomer

331 spring coil, 332 end, 333 end

34 lid, 341 cover board, 342 side wall

4 forearms

1 ' support rod, 2 ' handle, 3 ' collet portion

31 ' intermediate plate, 32 ' intermediate plate, 33 ' spacing

34 ' fit slot, 11 ' body.

Specific embodiment

Please refer to FIG. 1 to FIG. 5, the present invention includes a support rod 1, a handle 2, a clamping device 3, the support rod 1 can Ground has a upper body of rod 11, a lower body of rod 12, a navigation button 19, has collet portion 13, the collet portion 13 above the upper body of rod 11 Opposite notch 131 is arranged in two sides, and is respectively set one in two notches, 131 upper and lower and protrudes from the upper and lower of 131 side of notch Articulated section 14,15, articulated section 14 has pivot hole 141 on this, and is extended an insertion slot 142 and multiple in 141 inner wall of pivot hole Engage convex body 143, and the lower articulated section 15 has the jack-post 151 protruded upward, setting diameter lower is small above the jack-post 151 Limiting section 152, and in 152 outer rim projection limit body 153 of limiting section, and engaging hole is arranged in top rear in the upper body of rod 11 111 and group set a limited slip block 112, the limited slip block 112 can provide crutch by wall put (not shown) when anti-sliding function, and should For 11 lower section of upper body of rod directly to setting engaging groove 113, which is arranged engaging hole 114, and sets in 11 rear of upper body of rod It sets multiple against convex body 10, should can provide against convex body 10 and be resisted against the support positioning of desktop ora terminalis (not shown) and set with being promoted Put overturning-preventing convenience.

There is the plug division 16 that can intert engaging groove 113, support portion 17, the plug division 16 is arranged in lower section above lower body of rod 12 Multiple engaging holes 161 are set in different height position, and enable navigation button again after so that plug division 16 is inserted into 113 suitable length of engaging groove 19 intert the engaging hole 161 of the upper and lower body of rod 12,11,114 bit combination length, and the support portion 17 has a straight section 171 and inserts It is connected below socket part 16, there is an arc-shaped bending section 18 below straight section 171, there is bottom 181 below the bending section 18, and Sliding-proof pad 182 (as shown in Figure 7, Figure 8) is set below bottom 181, and the relatively upper and lower inner face in corresponding bending section 18 distinguishes projection Against piece 183, once against piece 184 on one, this has between piece 183,184 above and below can provide 18 compressive deformation of bending section Spacing 185 (as shown in Figure 7, Figure 8) appropriate.

Handle 2 is set to 11 front of upper body of rod of support rod 1 and corresponds to 13 lower position of collet portion.

Two clamping devices 3 are corresponding including two corresponding intermediate plates 31, two corresponding pivot columns 32, two corresponding elastomers 33, two Lid 34, two intermediate plates 31 are respectively arranged on 13 2 side of collet portion, have can clamping forearm clip portion 311,311 one end of clip portion Side articulated section 312 is set, which can be placed in 131 position of notch in collet portion 13, the corresponding upper articulated section 14 in top 141 position of pivot hole non-circular slot 313 is set, and jack-post 151 of corresponding lower articulated section 15 below the side articulated section 312 Install can fitting jack-post 151 axis hole 314, above the axis hole 314 setting can with limit body 153 against two intermediate plates 31 of limitation most The gear of small clamping angle leans on body 315.

Two pivot columns 32 are respectively arranged on 141 position of pivot hole of articulated section 14 on two, and lower section has the slot that can intert intermediate plate 31 313 non-circular plug division 321, and make intermediate plate 31 that pivot column 32 can be driven to rotate in pivot hole 141, and set above pivot column 32 Columned joint portion 322 is set, which is arranged groove 323.

Two elastomers 33 provide the elastic clip resultant force in the corresponding collet portion 13 of two intermediate plates 31 respectively, and two elastomers 33 are metal torsion Power spring has spring coil 331 and two ends 332,333, which is placed on the joint portion 322 of pivot column 32, and two ends 332, it 333 is engaged respectively with the insertion slot 142 of the groove 323 of pivot column 32 and upper articulated section 14, and makes two intermediate plates 31 can be by elasticity The elastic force clamping of body 33 simultaneously enables gear by body 315 and limit body 153 against and making to have between 311 front end of clip portion of two intermediate plates 31 There is the spacing 316 less than human body forearm diameter.

Two lids 34 can cover 141 top of pivot hole for closing articulated section 14, have cover board 341 and downward by 341 periphery of cover board The sidewall 34 2 of extension, and engage lid 34 can by sidewall 34 2 with convex body 143 is engaged, stable lid closes pivot hole 141, and can hide Elastomer 33 and pivot column 32 are covered to promote combination texture.

Two intermediate plates 31 of clamping device 3 of the invention can provide preferable clamping power, and the bullet by the elastomer 33 of metal Property body 33 can have preferable clamping stabilization by the flexible clamping forearm of intermediate plate itself than known for a long time using being not easy elastic fatigue Property.

Referring to Fig. 5, two intermediate plates 31 of the invention by gear by body 315 and limit body 153 against making to have between two intermediate plates 31 There is a spacing 316, and can be unfolded convenient for enabling two intermediate plates 31 so that the forearm 4 of user can be placed in as shown in Figure 6 between two intermediate plates 31, it can Have effects that preferably to operate conveniently.

Fig. 7, Fig. 8 are please referred to, the present invention can enable the appropriate engaging hole 161 and upper body of rod of lower body of rod 12 with the use of person's demand 11 engaging hole 114 aligns, and is engaged by navigation button 19 to position appropriate 1 length of support rod, and two intermediate plates 31 of the invention can have There is preferable clamping power clamping forearm, can avoid crutch and forearm is detached from, and the bending section 18 can when support rod 1 bears lower pressure The deformation of the appropriate elasticity of compression is provided, and if lower pressure it is larger when this above and below can be against to prevent bending section 18 against piece 183,184 Excessive deformation substantially changes crutch length, and can prevent bending section 18 from fractureing, can be with preferable support comfort and safety Effect.

So the present invention can have preferable clamping forearm stability, reliability, convenience more than conventional construction by the above Property effect, and previous embodiment be the present invention illustrate, and non-present invention limit, it is all according to the present invention spirit carried out by equivalent change Also it should belong in scope.

Although specific embodiment has been illustrated description, many modifications without departing from the technology of the present invention scope And changing is still possible, scope restriction appended claims.

Claims

1. a kind of forearm crutch characterized by comprising

One support rod that can be landed, top have a collet portion；

One handle is set to corresponding collet portion lower position in front of support rod；

One clamping device, has two corresponding intermediate plates, two corresponding elastomers, and two intermediate plates are respectively arranged on two side of collet portion, two bullets Property body engaged respectively with two intermediate plates and collet portion, and two intermediate plates are provided and correspond to collet portion elastic clip with joint efforts.

2. forearm crutch as described in claim 1, it is characterised in that: opposite lack is arranged in two side of collet portion of the support rod Mouthful, a upper and lower articulated section for protruding from notch side is respectively set in two notch upper and lowers, articulated section has pivot hole on this, should Lower articulated section has the jack-post protruded upward, which further includes two corresponding pivot columns, and two intermediate plates are respectively provided with can clamping Side articulated section is arranged in the clip portion of forearm, the clip portion one end, which is placed in the gap position in collet portion, the side pivot Slot is arranged in the pivot hole position of corresponding upper articulated section above socket part, and the jack-post position of corresponding lower articulated section is set below the side articulated section Set can fitting jack-post axis hole；Two clip portion front ends have spacing；Two pivot columns are respectively arranged on the pivot hole position of articulated section on two, institute Stating has the plug division that can intert slot below pivot column, and makes intermediate plate that pivot column can be driven in rotating in pivot hole, and each elastomer divides It is not engaged with the collet portion of a pivot column and support rod.

3. forearm crutch as claimed in claim 2, it is characterised in that: the elastomer is metal material.

4. forearm crutch as claimed in claim 2, it is characterised in that: pivot hole inner wall of articulated section is extended one and plants on this Joint portion is arranged in slot, pivot column top, which is arranged groove, and two elastomers are torque spring, and the elastomer has spring Circle and two ends, the spring coil be placed on the joint portion of pivot column, and the end of the elastomer respectively with the groove of pivot column and on The insertion slot of articulated section engages.

5. forearm crutch as claimed in claim 2, it is characterised in that: diameter is arranged above jack-post and compares jack-post for the lower articulated section Small limiting section, and in limiting section outer rim projection limit body；The jack-post position of corresponding lower articulated section below the side articulated section of the intermediate plate Install can fitting jack-post axis hole, above the axis hole setting can with limit body against and limit two intermediate plate minimum clamping angles Gear leans on body.

6. forearm crutch as claimed in claim 2, it is characterised in that: the clamping device further includes two lids, two lids difference Lid closes the pivot hole of articulated section.

7. forearm crutch as claimed in claim 6, it is characterised in that: the pivot hole inner wall setting engaging convex body of articulated section on this； The side wall that the lid has cover board and extended downwardly by cover board periphery, the lid are engaged by side wall with convex body is engaged to cover and close Pivot hole.

8. forearm crutch as claimed in claim 1 or 2, it is characterised in that: the support rod include a upper body of rod, a lower body of rod and One navigation button, the upper and lower body of rod are combined by navigation button, which is set in upper body of rod, and support portion is arranged below lower body of rod.

9. forearm crutch as claimed in claim 8, it is characterised in that: directly to setting engaging groove, the engagement below the upper body of rod Engaging hole is arranged in slot side, has the plug division that can intert engaging groove above the lower body of rod, support portion is arranged below the lower body of rod, Multiple engaging holes are arranged in different height position in the plug division, and after so that plug division is inserted into engaging groove, then under enabling navigation button interspersed, The support pole length of the engaging hole bit combination of upper body of rod.

10. forearm crutch as claimed in claim 8, it is characterised in that: the support portion has to be connected below a straight section and plug division It connects, there is an arc-shaped bending section below the straight section, there is bottom below the bending section, corresponding bending section is relatively upper and lower Inner face is distinguished against piece, once against piece in projection one, this has between piece above and below can provide bending section compressive deformation between Away from.