CN203370080U - Knee supporting device for crutch and crutch - Google Patents
Knee supporting device for crutch and crutch Download PDFInfo
- Publication number
- CN203370080U CN203370080U CN201320453020.5U CN201320453020U CN203370080U CN 203370080 U CN203370080 U CN 203370080U CN 201320453020 U CN201320453020 U CN 201320453020U CN 203370080 U CN203370080 U CN 203370080U
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- crutch
- connecting rod
- lower link
- upper connecting
- bar
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Abstract
The utility model relates to a knee supporting device for a crutch and the crutch. The crutch with the knee supporting device is provided with an upper rod part for supporting a patient and a lower supporting rod used for supporting the crutch on the ground. The knee supporting device comprises a fixed rod with two ends, an upper connecting rod and a lower connecting rod, wherein the upper connecting rod and the lower connecting rod are fixedly connected with the two ends of the fixed rod respectively. The upper connecting rod is used for being connected with the upper rod part of the crutch, the lower connecting rod is provided with a first end and a second end, a kneeling knee plate is arranged at the first end of the lower connecting rod, and the second end of the lower connecting rod is used for being connected with the lower supporting rod of the crutch. The utility model provides the knee supporting device for the crutch and the crutch with the knee supporting device. The knee supporting device has a knee supporting function and is convenient to install and dismantle.
Description
Technical field
this utility model relates to a kind of crutch by knee care device and has the crutch that this crutch is kneeled the knee joint device.
Background technology
crutch is that legs and feet section has the auxiliary walking instrument of deformity or the legs and feet section indispensability after on hand.In prior art, crutch generally is divided into upper pole part and lower fulcrum bar two parts.Upper pole part includes two vertical spaced side levers, between the top of two side levers, by the axil holder, links, and the axil holder, in order to be supported on people's oxter, connects by handle between the middle part of two side levers, and handle is in order to the support of arm; Lower fulcrum bar is generally single straight-bar, and the lower end of two side levers is drawn close mutually gradually, by securing member, the upper end of aforementioned straight-bar is connected with the lower end of two side levers, and the lower end of straight-bar is for contacting with ground.Applicable for the patient who facilitates different heights, usually the straight-bar of the relative lower fulcrum bar of upper pole part can be slided and arranges, in order to can regulate the height of axil holder.
chinese patent CN201030020 discloses a kind of holder knee joint crutch, its crutch body has increased the knee joint holder structure, the knee joint holder of crutch comprises sliding bar and kneepad and back cushion, kneepad connects sliding bar by the chute at the back side, back cushion is fixed on the support of crutch body, and sliding bar is connected with the guard station bar piecemeal activity of this body support frame of crutch.The height of its axil holder and kneepad, back cushion can't be regulated, and can not be regulated according to patient's the concrete situations such as height; Secondly, inconvenience is installed, specifically, its required parts more (sliding bar, kneepad, back cushion, engaging page, chute, hinge, automatic pin), inevitably, the loaded down with trivial details and more difficult dismounting of its installation steps; When patient's condition of the injury has certain recovery or the condition of the injury when lighter, may no longer need to support knee in the process of using the crutch activity, yet its unloading process trouble, knee joint holder structure are difficult to dismounting.
The utility model content
for the problems referred to above, the purpose of this utility model is to provide knee care device and crutch with this knee care device for a kind of crutch, and it has holder knee joint function, and the knee care device easy installation and removal.
for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
a kind of crutch knee care device, adopt the crutch of this knee care device to there is upper pole part, the lower fulcrum bar for supporting in the face of crutch formation on ground for supporting the patient, this knee care device comprises fixed bar with two ends, the upper connecting rod and the lower link that are fixedly connected with the two ends of described fixed bar respectively, described upper connecting rod is for connecting the upper pole part of crutch, described lower link has first end and the second end, be provided with and kneel lap board on the first end of lower link, the second end of lower link is for being connected with the lower fulcrum bar of crutch.
preferably, form an angle Q between the axis of described upper connecting rod and lower link, wherein, Q is greater than 0 and is less than 90 degree.
more preferably, Q is greater than 2 and is less than 10 degree.When user is placed in knee while kneeling on lap board, if the axil holder, kneel lap board, crutch and ground contact point linearly, cause the user trouble stressed unfavorable rehabilitation of lower limb or armpit long-time stressed and tired, comfort is poor, the axis of upper connecting rod and lower link is formed to a low-angle angle Q, make to kneel slightly biased outward of the relative axil holder of lap board, more meet human engineering.
more preferably, between the axis of described lower link and described fixed bar, formation one included angle A and described included angle A are positioned at a described side of kneeling lap board dorsad, form the alternate interior angle that an included angle B and included angle B are included angle A between the axis of described upper connecting rod and fixed bar, wherein included angle A and B all are greater than 0 and are less than or equal to 90 degree.
further, A, B are greater than 30 and are less than 60 degree.The stressed upper pole part that mainly comes from due to upper connecting rod, the stressed lower link that mainly comes from of lower link, therefore in the angle that fixed bar and upper connecting rod form, in the angle of angle, fixed bar and the lower link formation of upper pole part one side, towards ground, the angle of one side is set to acute angle, than obtuse angle, its intensity is higher, connection is more firm.
preferably, described upper connecting rod is connected by screw rod with the crutch upper pole part, and the described lap board of kneeling has a screw matched with described screw rod, and described screw rod passes upper pole part, the described upper connecting rod of crutch and is connected with the described lap board of kneeling.In fastening screw, also to kneeling lap board, played fixing and a locate effect, effectively prevent because kneeling the stressed excessive crutch knee care device distortion that causes of lap board.
a kind of crutch, comprise for supporting patient's upper pole part, for on ground, in the face of crutch, forming the lower fulcrum bar supported, the bottom of described upper pole part has the outer loop bar of a hollow, described lower fulcrum bar has an interior loop bar, be provided with spaced first locating hole of the length direction along outer loop bar of multipair perforation on the wall of described outer loop bar, two hoodles that stretch out its lateral wall are installed on described interior loop bar, it is characterized in that: this crutch also comprises a knee care device, described knee care device comprises the fixed bar with two ends, the upper connecting rod and the lower link that are fixedly connected with the two ends of described fixed bar respectively, offer a through hole on described upper connecting rod, described upper connecting rod and described outer loop bar socket-connect, one screw rod through the through hole of a pair of the first locating hole on described outer loop bar and upper connecting rod so that outer loop bar is connected with upper connecting rod, described lower link is hollow and it has first end and the second end, be provided with and kneel lap board on the first end of lower link, the second end of lower link and described interior loop bar socket-connect, be provided with spaced second locating hole of the length direction along lower link of multipair perforation on the wall of described lower link, described hoodle stretch into arbitrary in the second locating hole with by lower link and interior loop bar location.
preferably, the described lap board of kneeling has a screw matched with described screw rod, and described screw rod passes outer loop bar, upper connecting rod and is connected with the described lap board of kneeling.
preferably, form an angle Q between the axis of described upper connecting rod and lower link, between the axis of described lower link and described fixed bar, formation one included angle A and described included angle A are positioned at a described side of kneeling lap board dorsad, form the alternate interior angle that an included angle B and included angle B are included angle A between the axis of described upper connecting rod and fixed bar, wherein, Q is greater than 2 and is less than 10 degree, and A, B are greater than 30 and are less than 60 degree.
preferably, described kneeling on lap board is coated with a cushion.
this utility model adopts above structure, has following advantage:
1, by the upper connecting rod of knee care device, lower link are socketed with upper pole part, the lower fulcrum bar of crutch respectively, make crutch there is holder knee joint function, and knee care device is installed, convenient disassembly;
2, offer multipair locating hole on outer loop bar, lower link, the height that can regulate respectively upper pole part and kneel lap board according to factors such as patient's heights;
3, the axis of upper connecting rod and lower link is formed to a low-angle angle Q, make to kneel slightly biased outward of the relative axil holder of lap board, more meet human engineering, comfort is better;
4, also can be used in combination due to the locating hole of outer loop bar and the hoodle of interior loop bar, when patient's condition of the injury does not more need to hold in the palm knee joint, can easily the crutch knee care device be pulled down and outer loop bar, the socket of interior loop bar are formed to a common crutch, use flexibly;
5, in the angle formed towards the angle of upper pole part one side, fixed bar and lower link in the angle that fixed bar and upper connecting rod form, towards ground, the angle of one side is set to acute angle, and than obtuse angle, its intensity is higher, connection is more firm.
The accompanying drawing explanation
the structural representation that accompanying drawing 1 is crutch in prior art;
the structural representation that accompanying drawing 2 is crutch knee care device of the present utility model;
the top view that accompanying drawing 3 is crutch knee care device of the present utility model;
the structural representation that accompanying drawing 4 is crutch of the present utility model.
in figure: 1, upper pole part; 11, outer loop bar; 111, the first locating hole; 2, lower fulcrum bar; 21, interior loop bar; 211, hoodle; 3, crutch knee care device; 31, stationary pipes; 32, upper connecting rod; 321, through hole; 33, lower link; 331, the second locating hole; 34, kneel lap board; 341, screw; 35, cushion; 4, screw rod.
The specific embodiment
below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be those skilled in the art will recognize that, protection domain of the present utility model is made to more explicit defining.
shown in accompanying drawing 1, crutch of the prior art comprises upper pole part 1, the lower fulcrum bar 2 for supporting in the face of crutch formation on ground for supporting the patient, the bottom of described upper pole part 1 has the outer loop bar 11 of a hollow, described lower fulcrum bar 2 has an interior loop bar 21, be provided with spaced first locating hole 111 of the length direction along outer loop bar 11 of multipair perforation on the wall of described outer loop bar 11, two hoodles that stretch out its lateral wall are installed on described interior loop bar 21, and described hoodle stretches into arbitrary to just upper pole part 1 being connected with lower fulcrum bar 2 in the first locating hole 111.
embodiment mono-
shown in accompanying drawing 2, accompanying drawing 3, a kind of crutch knee care device 3, this crutch knee care device 3 comprises fixed bar 31, the upper connecting rod 32 and the lower link 33 that are fixedly connected with the two ends of described fixed bar 31 respectively, described upper connecting rod 32 use and the upper pole part that is connected crutch, described lower link 33 has first end and the second end, be provided with on the first end of lower link 33 and kneel lap board 34, the second end of lower link 33 is connected with the lower fulcrum bar of crutch.Particularly, upper connecting rod 32 can mutually be socketed also and can be fixedly connected with upper pole part; Lower link 33 is hollow, and the lower fulcrum bar of itself and crutch socket-connects.
form an angle Q between the axis of described upper connecting rod 32 and lower link 33, wherein, Q is greater than 2 and is less than 10 degree.When user, knee is placed in while kneeling on lap board 34, if the axil holder, kneel lap board, crutch and ground contact point linearly, cause the user trouble stressed unfavorable rehabilitation of lower limb or armpit long-time stressed and tired, comfort is poor, the axis of upper connecting rod and lower link is formed to a low-angle angle Q, make to kneel slightly biased outward of the relative axil holder of lap board 34, more meet human engineering.
between the axis of described lower link 33 and described fixed bar 31, formation one included angle A and described included angle A are positioned at a described side of kneeling lap board 34 dorsad, form the alternate interior angle that an included angle B and included angle B are included angle A between the axis of described upper connecting rod 32 and fixed bar 31, wherein, A, B all are greater than 30 and are less than 60 degree.The stressed upper pole part that mainly comes from crutch due to upper connecting rod 32, the stressed lower link that mainly comes from of lower link 33, therefore in the angle formed towards the angle of upper pole part one side, fixed bar 31 and lower link 33 in the angle that fixed bar 31 and upper connecting rod 32 form, towards ground, the angle of one side is set to acute angle, than obtuse angle, its intensity is higher, connection is more firm.
described upper connecting rod 32 is connected by screw rod 4 with the crutch upper pole part, and the described lap board 34 of kneeling has a screw 341 matched with described screw rod 4, and described screw rod 4 passes upper pole part, the described upper connecting rod 32 of crutch and is connected with the described lap board 34 of kneeling.In fastening screw 4, also to kneeling lap board 34, played fixing and a locate effect, effectively prevent because kneeling stressed excessive crutch knee care device 3 distortion that cause of lap board 34.
described kneeling on lap board 34 is coated with a cushion 35.
embodiment bis-
shown in accompanying drawing 4, a kind of crutch, comprise the upper pole part 1 for supporting the patient, for on ground, in the face of crutch, forming the lower fulcrum bar 2 supported, the bottom of described upper pole part 1 has the outer loop bar 11 of a hollow, described lower fulcrum bar 2 has an interior loop bar 21, be provided with spaced first locating hole 111 of the length direction along outer loop bar 11 of multipair perforation on the wall of described outer loop bar 11, two hoodles 211 that stretch out its lateral wall are installed on described interior loop bar 21, this crutch also comprises a crutch knee care device 3, described crutch knee care device 3 comprises fixed bar 31, the upper connecting rod 32 and the lower link 33 that are fixedly connected with the two ends of described fixed bar 31 respectively, described upper connecting rod 32 has a through hole 321, described upper connecting rod 32 socket-connects with described outer loop bar 11, one screw rod 4 passes arbitrary through hole 321 to the first locating hole 111 and upper connecting rod 32 of described outer loop bar 11 so that outer loop bar 11 is located by connecting with upper connecting rod 32, described lower link 33 is hollow and it has first end and the second end, be provided with on the first end of lower link 33 and kneel lap board 34, the second end of lower link 33 and described interior loop bar 21 socket-connect, on the wall of described lower link 33, be provided with multipair mutual perforation along spaced the second locating hole 331 of lower link 33 length directions, described hoodle 211 stretch into arbitrary in the second locating hole 331 so that lower link 33 is connected with interior loop bar 21.
particularly, hoodle 211 is scalable hoodle, its can be relatively in the outer wall of loop bar 21 scalable.Can offer the hole of a pair of mutual perforation on interior loop bar 21, be provided with a spring in hole, the two ends of spring are arranged with respectively the lateral wall that hoodle 211 and hoodle 211 parts are stretched out interior loop bar 21; Also can offer two blind holes on interior loop bar 21, be provided with in blind hole between the bottom in a hoodle 211 and hoodle 211 and hole and be provided with a shell fragment, the lateral wall that hoodle 211 parts are partly stretched out interior loop bar 21; When interior loop bar 21 slides, the thrust that hoodle 211 is subject to outer loop bar 11 or lower link 33 is pressed against the inside in hole, spring or pad in hole are compressed, when hoodle 211 slides into the first locating hole 111 or the second locating hole 331 place along with interior loop bar 21, thrust from outer loop bar 11 or lower link 33 disappears, and the reset force of spring or pad promotes hoodle 211 and outwards ejects and stretch in the first locating hole 111 or the second locating hole 331.
wherein, the concrete size of crutch knee care device 3 of the present utility model is determined according to the most general in the market crutch.The pitch-row of the most general crutch with expansion link is 23.4mm in the market, and therefore the spacing of the second locating hole 331 of the present utility model is also 23.4mm.
the described lap board 34 of kneeling has a screw 341 matched with described screw rod 4, and described screw rod 4 passes outer loop bar 11, upper connecting rod 32 and is connected with the described lap board 34 of kneeling.
form an angle Q between the axis of described upper connecting rod 32 and lower link 33, between the axis of described lower link 33 and described fixed bar 31, formation one included angle A and described included angle A are positioned at a described side of kneeling lap board 34 dorsad, form the alternate interior angle that an included angle B and included angle B are included angle A between the axis of described upper connecting rod 32 and fixed bar 31, wherein, Q is greater than 2 and is less than 10 degree, and A, B are greater than 30 and are less than 60 degree.
described kneeling on lap board 34 is coated with a cushion 35.
this utility model adopts above structure, has following advantage:
1, by the upper connecting rod of knee care device, lower link are socketed with upper pole part 1, the lower fulcrum bar 2 of crutch respectively, make crutch there is holder knee joint function, and knee care device is installed, convenient disassembly;
2, offer multipair locating hole on outer loop bar 11, lower link, the height that can regulate respectively upper pole part 1 and kneel lap board 34 according to factors such as patient's heights;
3, upper connecting rod 32 and the axis of lower link 33 are formed to a low-angle angle Q, make to kneel slightly biased outward of the relative axil holder of lap board 34, more meet human engineering, comfort is better;
4, due to the locating hole of outer loop bar 11 and the scalable hoodle 211 of interior loop bar 21, also can be used in combination, when patient's condition of the injury does not more need to hold in the palm knee joint, can easily crutch knee care device 3 be pulled down and outer loop bar 11,21 sockets of interior loop bar are formed to a common crutch, using flexibly;
5, in the angle formed towards the angle of upper pole part 1 one sides, fixed bar 31 and lower link 33 in the angle that fixed bar 31 and upper connecting rod 32 form, towards ground, the angle of one side is set to acute angle, and than obtuse angle, its intensity is higher, it is more firm to connect.
above-described embodiment is only explanation technical conceive of the present utility model and characteristics; it is a kind of preferred embodiment; its purpose is to allow the person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to spirit of the present utility model change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (10)
1. a crutch knee care device, adopt the crutch of this knee care device to there is upper pole part, the lower fulcrum bar for supporting in the face of crutch formation on ground for supporting the patient, it is characterized in that: this knee care device comprises fixed bar with two ends, the upper connecting rod and the lower link that are fixedly connected with the two ends of described fixed bar respectively, described upper connecting rod is for connecting the upper pole part of crutch, described lower link has first end and the second end, be provided with and kneel lap board on the first end of lower link, the second end of lower link is for being connected with the lower fulcrum bar of crutch.
2. knee care device according to claim 1 is characterized in that: form an angle Q between the axis of described upper connecting rod and lower link, wherein Q is greater than 0 and is less than 90 degree.
3. knee care device according to claim 2, it is characterized in that: Q is greater than 2 and is less than 10 degree.
4. knee care device according to claim 2, it is characterized in that: between the axis of described lower link and described fixed bar, formation one included angle A and described included angle A are positioned at a described side of kneeling lap board dorsad, form the alternate interior angle that an included angle B and included angle B are included angle A between the axis of described upper connecting rod and fixed bar, wherein included angle A and B all are greater than 0 and are less than or equal to 90 degree.
5. knee care device according to claim 4, it is characterized in that: A, B are greater than 30 and are less than 60 degree.
6. knee care device according to claim 1, it is characterized in that: described upper connecting rod is connected by screw rod with the upper pole part of crutch, the described lap board of kneeling has a screw matched with described screw rod, and described screw rod passes upper pole part, the described upper connecting rod of crutch and is connected with the described lap board of kneeling.
7. a crutch, comprise for supporting patient's upper pole part, for on ground, in the face of crutch, forming the lower fulcrum bar supported, the bottom of described upper pole part has the outer loop bar of a hollow, described lower fulcrum bar has an interior loop bar, be provided with spaced first locating hole of the length direction along outer loop bar of multipair perforation on the wall of described outer loop bar, two hoodles that stretch out its lateral wall are installed on described interior loop bar, it is characterized in that: this crutch also comprises a knee care device, described knee care device comprises the fixed bar with two ends, the upper connecting rod and the lower link that are fixedly connected with the two ends of described fixed bar respectively, offer a through hole on described upper connecting rod, described upper connecting rod and described outer loop bar socket-connect, one screw rod through the through hole of a pair of the first locating hole on described outer loop bar and upper connecting rod so that outer loop bar is connected with upper connecting rod, described lower link is hollow and it has first end and the second end, be provided with and kneel lap board on the first end of lower link, the second end of lower link and described interior loop bar socket-connect, be provided with spaced second locating hole of the length direction along lower link of multipair perforation on the wall of described lower link, described hoodle stretch into arbitrary in the second locating hole with by lower link and interior loop bar location.
8. crutch according to claim 7, it is characterized in that: the described lap board of kneeling has a screw matched with described screw rod, and described screw rod is through outer loop bar, upper connecting rod and be connected with the described lap board of kneeling.
9. crutch according to claim 7, it is characterized in that: between the axis of described lower link and described fixed bar, formation one included angle A and described included angle A are positioned at a described side of kneeling lap board dorsad, form the alternate interior angle that an included angle B and included angle B are included angle A between the axis of described upper connecting rod and fixed bar, wherein, Q is greater than 2 and is less than 10 degree, and A, B are greater than 30 and are less than 60 degree.
10. crutch according to claim 7, it is characterized in that: described kneeling on lap board is coated with a cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320453020.5U CN203370080U (en) | 2013-07-29 | 2013-07-29 | Knee supporting device for crutch and crutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320453020.5U CN203370080U (en) | 2013-07-29 | 2013-07-29 | Knee supporting device for crutch and crutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203370080U true CN203370080U (en) | 2014-01-01 |
Family
ID=49832638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320453020.5U Withdrawn - After Issue CN203370080U (en) | 2013-07-29 | 2013-07-29 | Knee supporting device for crutch and crutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203370080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340736A (en) * | 2013-07-29 | 2013-10-09 | 太仓井泉金属制品有限公司 | Knee supporting device for walking stick and walking stick |
-
2013
- 2013-07-29 CN CN201320453020.5U patent/CN203370080U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340736A (en) * | 2013-07-29 | 2013-10-09 | 太仓井泉金属制品有限公司 | Knee supporting device for walking stick and walking stick |
| CN103340736B (en) * | 2013-07-29 | 2015-11-18 | 太仓井泉金属制品有限公司 | Crutch knee care device and crutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140101 Effective date of abandoning: 20151118 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |