CN204618777U - A kind of Height Adjustable crutch - Google Patents
A kind of Height Adjustable crutch Download PDFInfo
- Publication number
- CN204618777U CN204618777U CN201520319163.6U CN201520319163U CN204618777U CN 204618777 U CN204618777 U CN 204618777U CN 201520319163 U CN201520319163 U CN 201520319163U CN 204618777 U CN204618777 U CN 204618777U
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- China
- Prior art keywords
- pole
- head rod
- rod body
- constriction device
- connecting rod
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Abstract
The utility model discloses a kind of Height Adjustable crutch, comprise axil holder, head rod, piston rod, constriction device, the first pole that head rod comprises head rod body, is connected with head rod body, head rod body one end is connected with axil holder, and the other end is connected with the bottom of constriction device; Constriction device comprises hydraulic cavities, is provided with back-moving spring in hydraulic cavities, and the lower end of back-moving spring is sheathed on piston rod; One end of first pole is connected to the top of constriction device, and the other end is connected to the top of head rod body, is equipped with and communicates and fluid pressure line in one in the first pole and head rod body; Fluid pressure line is provided with hydraulic ball valve, and the two ends of fluid pressure line are connected with the top of hydraulic cavities and bottom respectively.In this utility model, constriction device adopts the two-way ram cylinder of band back-moving spring, and the length that can realize stretching out according to piston rod carries out the adjustment of crutch entire length, location, and realizes relying on back-moving spring to reset.
Description
Technical field
This utility model relates to a kind of crutch, specifically refers to a kind of Height Adjustable crutch.
Background technology
Crutch is for middle-aged and elderly people, walking disorder, lower limb suffer from a kind of instrument that bone injury or people with disability design use, and it can effective support human body weight above the waist, and the old man that help lower limb are handicapped in daily life or sick and wounded patient walk smoothly.Therefore, crutch, for walking disorder or the patient suffering from lower-limb ailments, is very important instrument.But, the height of all kinds crutch is fixing in the market, cannot regulate its length, and the height of actual user is different, the highly inappropriate crutch of long-time use, recovers sick and wounded patient's compound and daily life all brings adverse effect.Meanwhile, in the process using crutch, may run into the step as stair one class, need the height adjusting crutch at any time, simultaneously when crutch is placed in storage, highly uncontrollable crutch also can take more space, affects daily life.
Based on this, study and design a kind of Height Adjustable crutch.
Utility model content
The purpose of this utility model is: provide a kind of and be convenient to handicapped, that lower limb are ill or bone injury and the not high crowd of height use Height Adjustable crutch.
This utility model is achieved through the following technical solutions: a kind of Height Adjustable crutch, comprise axil holder, head rod, piston rod, constriction device, the first pole that head rod comprises head rod body, is connected with head rod body, head rod body one end is connected with axil holder, and the other end is connected with the bottom of constriction device; Constriction device comprises hydraulic cavities, is provided with back-moving spring in hydraulic cavities, and the lower end of back-moving spring is sheathed on piston rod; One end of first pole is connected to the top of constriction device, and the other end is connected to the top of head rod body, is equipped with and communicates and fluid pressure line in one in the first pole and head rod body; Fluid pressure line is provided with hydraulic ball valve, and the two ends of fluid pressure line are connected with the top of hydraulic cavities and the bottom of hydraulic cavities respectively.
In this utility model, the Main Function of axil holder is can support human body moiety by weight, and be convenient to walking, the shape of axil holder does not do concrete restriction, the shape that the human body physiological structures preferably contacted with crutch matches, easy to use; The head rod be connected with axil holder, the shape of head rod can be elongated cylinder, and one end bending that head rod distance ground is nearer, and be connected with the bottom of constriction device; In order to strengthen the stability of strutting system of crutch, the link position of head rod and axil holder can be arranged on the middle part of axil holder.
In this utility model, head rod comprises the first pole and head rod body, the shape of the first pole and head rod body can be all elongated cylinder shape, and the first pole, be equipped with cavity in head rod body, and both cavitys communicate, be provided with fluid pressure line in cavity, first pole one end is connected directly between the upper end of head rod body near axil holder, and the other end of the first pole is connected to the top of constriction device; One end of head rod body is connected with axil holder, and one end of the other end and lower end kink is connected with the bottom of constriction device, and above setting can realize being positioned at head rod body, the fluid pressure line of the first pole is connected with the hydraulic inlet of constriction device.
In this utility model, constriction device is the two-way ram cylinder of band back-moving spring, constriction device comprises hydraulic cavities, back-moving spring is provided with in hydraulic cavities, back-moving spring can one end arrange be fixed on be positioned at hydraulic cavities top hold-down ring on, hold-down ring is the common practise of this area, repeats no more, and the other end of back-moving spring and the lower end of back-moving spring are connected with piston, and on the piston rod sheathed, piston rod directly contacts with ground.By the collapsing length of regulating piston bar, and then regulate the entire length of crutch.Wherein back-moving spring, piston structure and annexation thereof are the common practise in affiliated field.
In this utility model, hydraulic ball valve is arranged on fluid pressure line, be mainly used in the open and close of hydraulic control pipeline, and then realize by after flexible or the length compressing back piston bar fix particular location after adjustment, convenient handicapped, lower limb are ill or the use of bone injury and the not high crowd of height.
For better realizing this utility model, increase the durability of crutch, also comprise the second connecting rod, head rod is identical with the structure of the second connecting rod, and the second connecting rod and head rod are symmetrical set at the two ends of axil holder.The setting of the second connecting rod, realizes the holding capacity of head rod, the second connecting rod common support axil holder, improves stressed stability under the gravitational conditions born by the holder of head rod independent support axil.
For better realizing this utility model, described second connecting rod comprises the second connecting rod body, is connected the second pole with the second connecting rod body, and second pole one end is connected with the top of the second connecting rod body, and the other end is connected with the top of constriction device.
For better realizing this utility model, the link position of described first pole and head rod main body, between the second pole and the link position of the second connecting rod main body, be provided with support bar.Support bar, the first pole, the second pole, head rod body, the second connecting rod body all can the weight of effective support human body, increase the holding capacity of crutch.
For better realizing this utility model, the connected mode of described constriction device and the first pole, the second pole, head rod body, the second connecting rod body is all with bolts.The mode of the connection of constriction device and the first pole, the second pole has the multiple mode that removably connects, as bolt connects, be threaded, in like manner as the connected mode of constriction device and head rod body, the second connecting rod body, connect preferably by bolt, easy for removal and installation, strengthen the steadiness connected.
For better realizing this utility model, top, the bottom of described contraction dress are equipped with hydraulic inlet, and one end of fluid pressure line is connected with the hydraulic inlet being positioned at constriction device top, and the other end is connected with the hydraulic inlet being positioned at constriction device bottom.The setting of hydraulic inlet, realizes the connection of whole fluid pressure line by hydraulic control ball valve, thus the back-moving spring being convenient to be positioned at hydraulic cavities drives piston rod to stretch under external force.
For better realizing this utility model, described axil holder, the first pole, the second pole, head rod body, the second connecting rod body all adopt duralumin material.Duralumin has good mechanical performance, and intensity is large, and is convenient to processing, and density is little, is the lightweight structural material of high-quality, adopts duralumin material to process the crutch obtained and has lightweight good characteristic of Denging, be easy to carry.
For better realizing this utility model, described axil holder and head rod body, the second connecting rod body, the first pole and head rod body, the second pole and the second connecting rod body are all welded as a whole structure.
For better realizing this utility model, described axil holder is provided with foam-rubber cushion.Foam-rubber cushion can be and is coated on axil holder surface, also for covering axil holder upper surface portion or whole sponge bed courses, can increase the comfortableness at crutch and human contact position.
This utility model compared with prior art, has the following advantages and beneficial effect:
(1) in this utility model, constriction device adopts the two-way ram cylinder of band back-moving spring, can control the entire length of the length adjustment crutch that piston rod stretches out, and locate, and realizes relying on back-moving spring to reset simultaneously.
(2) this utility model by arrange axil holder in crutch structure, the first pole, the second pole, head rod body, the second connecting rod body material adopt duralumin tubing, and the structure that is welded as a whole, quality is light, carries, easy to use.
(3) this utility model is by being set to identical structure by head rod, the second connecting rod, and is symmetrical set at the two ends of axil holder bottom, can strengthen the holding capacity of crutch.
(4) this utility model structure is simple, easy to operate, can realize the adjustment to crutch entire length very well, and the length after adjustment is fixed, and patient can regulate at any time as required.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of constriction device in Fig. 1.
Wherein: the holder of 1-axil, 2-constriction device, 3-fluid pressure line, 4-back-moving spring, the 5-the second pole, 6-hydraulic ball valve, 7-head rod, the 8-the first pole, 9-support bar, 10-piston rod.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1:
As shown in Figure 1 and Figure 2, a kind of Height Adjustable crutch, comprise axil holder 1, head rod 7, piston rod 10, constriction device 2, the first pole 8 that head rod 7 comprises head rod body, is connected with head rod body, head rod body one end is connected with axil holder 1, and the other end is connected with the bottom of constriction device 2; Constriction device 2 comprises hydraulic cavities, is provided with back-moving spring 4 in hydraulic cavities, and the lower end of back-moving spring 4 is sheathed on piston rod 10; One end of first pole 8 is connected to the top of constriction device 2, and the other end is connected to the top of head rod body, is equipped with and communicates and fluid pressure line 3 in one in the first pole 8 and head rod body; Fluid pressure line 3 is provided with hydraulic ball valve 6, and the two ends of fluid pressure line 3 are connected with the top of hydraulic cavities and the bottom of hydraulic cavities respectively.
During work, piston rod 10 and earth surface, when crutch height is higher need adjustment time, open hydraulic ball valve 6, fluid pressure line 3 is communicated with, the hydraulic cavities two ends of constriction device 2 are communicated with, and pressure at two ends is equal, now, rely on user self total amount, overcome the spring force of back-moving spring 4, piston rod 10 bounces back and namely reduces extension elongation under the effect of ground reaction force, and the entire length of crutch reduces, when piston rod 10 retracts to suitable length, close hydraulic ball valve 6, now the length of crutch is fixed, and regulates and terminates.
If the length of crutch is shorter, when user height is higher, open hydraulic ball valve 6 switch, fluid pressure line 3 is by constriction device 2 two ends hydraulic chamber into communication, and user reduces or do not apply active force to crutch, under the elastic force effect of back-moving spring 4, piston rod 10 stretches out, and the length of crutch increases, when being increased to appropriate length, close hydraulic ball valve 6.
Simultaneously, adjustment for crutch length also can be realized by hand-held mode, i.e. crutch held horizontal, open hydraulic ball valve 6, the two ends realizing fluid pressure line 3 are communicated with, directly can apply tensile force or compression stress to piston rod 10, when stretching or when being compressed to appropriate length, close hydraulic ball valve 6.
Other structures related in the present embodiment and principle thereof are the common practise in affiliated field, repeat no more.
Embodiment 2:
The present embodiment is on the basis of embodiment 1, further restriction also comprises the second connecting rod, head rod 7 is identical with the structure of the second connecting rod, second connecting rod and head rod 7 are symmetrical set at the two ends of axil holder 1, the second pole 5 that described second connecting rod comprises the second connecting rod body, is connected with the second connecting rod body, one end of second pole 5 is connected with the top of the second connecting rod body, and the other end is connected with the top of constriction device 2.The setting of the second connecting rod, realizes the holding capacity of head rod, the second connecting rod common support axil holder, improves stressed stability under the gravitational conditions born by the holder of head rod independent support axil.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3:
The present embodiment is on the basis of above-described embodiment, for better realizing this utility model, the link position of described first pole 8 of further restriction and head rod main body, between the second pole 5 and the link position of the second connecting rod main body, be provided with support bar 9, support bar 9, first pole 8, second pole 5, head rod body, the second connecting rod body all can the weight of effective support human body, increase the holding capacity of crutch.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 4:
The present embodiment on the basis of above-described embodiment, for better realizing this utility model, limit described constriction device 2 and the first pole 8, second pole 5, head rod body, the second connecting rod body connected mode all with bolts.The mode of the connection of constriction device 2 and the first pole 8, second pole 5 has the multiple mode that removably connects, as bolt connects, be threaded, in like manner the connected mode of constriction device and head rod body, the second connecting rod body also has multiple, connect preferably by bolt, easy for removal and installation, strengthen the steadiness connected.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 5:
The present embodiment is on the basis of above-described embodiment, for better realizing this utility model, the top, the bottom that limit described constriction device 2 are equipped with hydraulic inlet, one end of fluid pressure line 3 is connected with the hydraulic inlet being positioned at constriction device 2 top, and the other end is connected with the hydraulic inlet being positioned at constriction device 2 bottom.The setting of hydraulic inlet, realizes the connection of whole fluid pressure line 3 by hydraulic control ball valve, thus the back-moving spring being convenient to be positioned at hydraulic cavities is under external force by the movement of piston and then drive the flexible of piston rod.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 6:
The present embodiment, on the basis of above-described embodiment, for better improving the portability of crutch, limits described axil holder 1, first pole 8, second pole 5, head rod body, the second connecting rod body all adopts duralumin material.Duralumin has good mechanical performance, and intensity is large, and be convenient to processing, the characteristics such as density is little are the lightweight structural materials of high-quality, adopts duralumin material to process the crutch obtained and has lightweight good characteristic of Denging, be easy to carry.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 7:
The present embodiment, on the basis of above-described embodiment, limits described axil holder 1 and head rod body, the second connecting rod body, the first pole 8 and head rod body, and the second pole 5 and the second connecting rod body are all welded as a whole structure.And foam-rubber cushion is provided with in axil holder 1.Foam-rubber cushion can be and is coated on axil holder 1 surface, also for covering the part or all of sponge bed course of axil holder 1 upper surface, can increase the comfortableness of crutch and human contact.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to this utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection domain of the present utility model.
Claims (9)
1. a Height Adjustable crutch, it is characterized in that: comprise axil holder (1), head rod (7), piston rod (10), constriction device (2), the first pole (8) that head rod (7) comprises head rod body, is connected with head rod body, head rod body one end is connected with axil holder (1), and the other end is connected with the bottom of constriction device (2); Constriction device (2) comprises hydraulic cavities, is provided with back-moving spring (4) in hydraulic cavities, and the lower end of back-moving spring (4) is sheathed on piston rod (10); One end of first pole (8) is connected to the top of constriction device (2), and the other end is connected to the top of head rod body, is equipped with and communicates and fluid pressure line (3) in one in the first pole (8) and head rod body; Fluid pressure line (3) is provided with hydraulic ball valve (6), and the two ends of fluid pressure line (3) are connected with the top of hydraulic cavities and the bottom of hydraulic cavities respectively.
2. the Height Adjustable crutch of one according to claim 1, it is characterized in that: also comprise the second connecting rod, head rod (7) is identical with the structure of the second connecting rod, and the second connecting rod and head rod (7) are symmetrical set the two ends in axil holder (1).
3. the Height Adjustable crutch of one according to claim 2, it is characterized in that: the second pole (5) that described second connecting rod comprises the second connecting rod body, is connected with the second connecting rod body, second pole (5) one end is connected with the top of the second connecting rod body, and the other end is connected with the top of constriction device (2).
4. the Height Adjustable crutch of one according to claim 3, is characterized in that: the link position of described first pole (8) and head rod main body, be provided with support bar (9) between the second pole (5) and the link position of the second connecting rod main body.
5. the Height Adjustable crutch of one according to claim 4, is characterized in that: described constriction device (2) is all with bolts with the connected mode of the first pole (8), the second pole (5), head rod body, the second connecting rod body.
6. the Height Adjustable crutch of one according to any one of claim 1 to 5 claim, it is characterized in that: top, the bottom of described constriction device (2) are equipped with hydraulic inlet, one end of fluid pressure line (3) is connected with the hydraulic inlet being positioned at constriction device (2) top, and the other end is connected with the hydraulic inlet being positioned at constriction device (2) bottom.
7. the Height Adjustable crutch of one according to claim 5, is characterized in that: described axil holder (1), the first pole (8), the second pole (5), head rod body, the second connecting rod body all adopt duralumin material.
8. the Height Adjustable crutch of one according to claim 7, it is characterized in that: described axil holder (1) and head rod body, the second connecting rod body, first pole (8) and head rod body, the second pole (5) and the second connecting rod body are all welded as a whole structure.
9. the Height Adjustable crutch of one according to claim 1, is characterized in that: described axil holder (1) is provided with foam-rubber cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319163.6U CN204618777U (en) | 2015-05-18 | 2015-05-18 | A kind of Height Adjustable crutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319163.6U CN204618777U (en) | 2015-05-18 | 2015-05-18 | A kind of Height Adjustable crutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204618777U true CN204618777U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520319163.6U Expired - Fee Related CN204618777U (en) | 2015-05-18 | 2015-05-18 | A kind of Height Adjustable crutch |
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| Country | Link |
|---|---|
| CN (1) | CN204618777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037898A (en) * | 2019-04-29 | 2019-07-23 | 大连交通大学 | A kind of hydraulic crutch for assisting squatting down |
-
2015
- 2015-05-18 CN CN201520319163.6U patent/CN204618777U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037898A (en) * | 2019-04-29 | 2019-07-23 | 大连交通大学 | A kind of hydraulic crutch for assisting squatting down |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20210518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |