TWM650642U - Crutch handle structure - Google Patents

Abstract

A crutch handle structure, which includes: a crutch body, a handle body and all control rods. The handle system is rotatably installed between two pivot ears of the crutch body, and utilizes the control rod and the two pivot ears. The first and second positioning grooves are designed to achieve the positioning state of the handle body after swinging, so that the angle of the handle body can be adjusted according to the use state, so that it is suitable for the support use of general canes and the assisted walking of hiking poles. Use, greatly improves the practicality and convenience of the structure, and at the same time saves the cost of purchasing crutches with different functions, further increasing consumers' willingness to purchase.

Description

Crutch handle structure

This invention relates to a handle structure, especially a crutch handle structure with an adjustable handle angle.

According to press, crutches function like a human's third foot (or even fourth foot) to assist the user in standing and walking. The weight of the body is transferred to the crutches through the hands, thereby reducing the weight and pressure exerted on the legs. It can also increase the fulcrum to maintain the body's balance on uneven roads. The main structure of a common crutch is a straight and hard stick body and a crutch head connected to the stick body for the user to hold. One end of the stick body is in contact with the ground, and the weight of the body is supported on the crutch to disperse it. Pressure on legs and knees. Similar to the use of crutches, there are also trekking poles, which are provided for mountain climbers and hikers to easily complete the journey. However, apart from the different bottom pads, the most obvious difference between the above-mentioned crutches and trekking poles is the way and angle of the grip. The grip of crutches is usually L-shaped or T-shaped and parallel to the ground, while the grip of trekking poles is The handle of the stick is upright and forms a vertical shape with the ground. The holding methods of the two cannot be shared due to different use environments and support effects. As a result, users with related activities must purchase two stick bodies with different functions to cope with different needs. Oriented activities not only result in a relatively single use and lack of practicality and convenience, but also increase the cost of purchasing the rod body. There is a need for improvement.

In view of this, the author has many years of experience in manufacturing, development and design of related products. After careful design and careful evaluation of the above goals, we finally achieved a truly practical creation.

The technical problem to be solved by this invention is to provide a crutch handle structure with an adjustable handle angle in view of the above-mentioned deficiencies in the existing technology.

The above-mentioned crutch handle structure includes: a crutch body, one end of which is provided with two symmetrical pivot lugs, each of the two pivot lugs is provided with an axis hole, and the inner side of the two pivot lugs is symmetrically provided with a first first Positioning groove and a second positioning groove; a handle body, the two ends of which form a first end and a second end, the first and second ends are communicated with a hollow chamber, and the first end runs through both sides A shaft hole and a long control hole are provided, and the first end is assembled between the two pivot lugs, and the shaft center hole and the shaft hole are connected through a shaft bolt, so that the first end can be centered around the shaft bolt. Rotate and swing, and at the same time, select one side of the long cutting hole to face the first and second positioning grooves. The second end is equipped with a cover body that can be turned over. A set of connecting parts is provided on the inside of the cover body. The hollow chamber is provided with an annular blocking wall adjacent to the second end; the two ends of the control rod form a first connecting end and a second connecting end, and a stop is provided between the first and second connecting ends. Block, the cutting control rod is inserted into a spring through the second connecting end, and then the second connecting end of the cutting control rod is assembled into the hollow chamber from the first end of the handle body, and the second connecting end is Pass through the annular blocking wall and the assembly portion of the cover to connect, and at the same time limit the spring between the annular blocking wall and the blocking block, the first connecting end faces the cutting control slot, and A latch is connected to the first connecting end through the long shearing hole, so that the shearing control rod can be moved through the cover body to pull the latch to move along the long shearing hole.

Preferably, the first end of the handle body is symmetrically provided with two engaging recesses on both sides, and the engaging recesses are engaged with the two pivot ears for limiting.

Preferably, the first end of the handle body is assembled with a pipe plug into the hollow chamber. Inside, the pipe plug is further provided with a penetration hole communicating with the shaft hole, and is also connected through the shaft bolt.

Preferably, the second end of the handle body is provided with a pivot recess from the end edge of the hollow chamber, and one end of the cover body is provided with a pivot protrusion. The cover system passes through the pivot protrusion and the pivot recess. After being assembled together, a shaft is used to axially connect and fix the pivot convex part and the pivot concave part.

Comparing the effects of the prior art: the handle system of the present invention is rotatably installed between the two pivot ears of the crutch body, and utilizes the design of the cutting control rod and the first and second positioning grooves of the two pivot ears to achieve this The positioning state of the handle body after being rotated enables the crutch body to adjust the angle of the handle body according to the use state, so that it is suitable for the support use of general canes and the assistive walking use of mountaineering poles, which greatly improves the practicality and convenience of the structure. At the same time, it saves the cost of purchasing crutches with different functions, further increasing consumers' willingness to purchase.

10:Crutch body

11: pivot ear

111: First positioning slot

112: Second positioning slot

12:Axis hole

20: Handle body

21:First end

211: Fits the concave part

212:Shaft hole

213: Cut and control long hole

214:Shaft bolt

22:Second end

221: Pivot concave part

23: Hollow tank chamber

231: Ring retaining wall

24: Pipe plug

241:Threading hole

25: Cover

251: Pivot convex part

252:Shaft

253:Assembly and connection department

30: Cut control lever

31: First connection end

32: Second connection terminal

33: Stop block

34:Spring

35:Latch

[Picture 1] is a three-dimensional view of this creation.

[Picture 2] is an exploded view of this creation.

[Picture 3] is a combined cross-sectional view of this creation.

[Figure 4] is a cross-sectional view along the line A-A in Figure 3 of this creation.

[Picture 5] is a schematic diagram of the handle body of this invention being detached from its position after the cover body is pulled.

[Picture 6] is a schematic diagram of the upward swinging action of the handle body of this creation.

[Picture 7] is a schematic diagram of the handle body of this invention rebounding and positioning due to the loosening of the cover.

[Picture 8] is a three-dimensional view of this creation after angle adjustment.

In order to enable your review committee to have a better understanding of the purpose, features and functions of this creation One-step understanding and understanding, please cooperate with the [simple description of the diagram] to describe in detail below: First, please look at the handle structure of a crutch as shown in Figures 1, 2, and 3, which includes: a crutch body 10 , a handle body 20 and all control rods 30. One end of the crutch body 10 is provided with two symmetrical pivot ears 11. Both of the two pivot ears 11 are provided with an axis hole 12, and the inner sides of the two pivot ears 11 are symmetrical from the end edge. A first positioning groove 111 and a second positioning groove 112 are provided. The two ends of the handle body 20 form a first end 21 and a second end 22. The first and second ends 21 and 22 are connected with a hollow space. In the tank chamber 23, the first end 21 is symmetrically provided with two fitting recesses 211 on both sides. An axis hole 212 and a long control hole 213 are provided through the two fitting recesses 211 to communicate with the hollow tank chamber 23. The axis hole 212 is matched with the hollow tank chamber 23. A shaft bolt 214 is pivotally connected to the two axial holes 12 of the pivot ears 11, and the first end 21 is used to assemble a pipe plug 24 into the hollow chamber 23, and the pipe plug 24 is further provided with a through hole 241. The second end 22 is communicated with the shaft hole 212 and connected through the shaft bolt 214 . The second end 22 is equipped with a cover 25 that can be turned over. The second end 22 is installed at the end edge of the hollow chamber 23 A pivot recess 221 is provided at one end of the cover 25 and a pivot protrusion 251 is assembled with the pivot recess 221, and a shaft 252 is used to axially fix the pivot protrusion 251 and the pivot recess 221, and The cover 25 is provided with a connecting portion 253 on the inside, and the hollow chamber 23 is provided with an annular blocking wall 231 adjacent to the second end 22; the two ends of the cutting lever 30 form a first connecting end 31 and a second connecting end. end 32, and a stopper 33 is provided between the first and second connecting ends 31 and 32. The cutting control rod 30 is passed through a spring 34 through the second connecting end 32, and then the cutting control rod 30 is The second connection end 32 is assembled into the hollow chamber 23 from the first end 21 of the handle body 20. The second connection end 32 passes through the assembly portion 253 of the annular blocking wall 231 and the cover 25. At the same time, the spring 34 is limited between the annular blocking wall 231 and the blocking block 33 . The first connecting end 31 faces the cutting and controlling long hole 213 and passes through the cutting and controlling long hole through a latch 35 . 213 is connected to the first connecting end 31 .

The structure of the structure is shown in Figures 1 to 4. The cutting control rod 30 is first Assembled into the hollow chamber 23 of the handle body 20, the second connecting end 32 passes through the annular blocking wall 231 and is combined with the assembly portion 253 of the cover 25, and the spring 34 is interposed between the ring between the blocking wall 231 and the blocking block 33, and the first connecting end 31 of the cutting control rod 30 is connected to face the cutting control long hole 213, and then the latch 35 is used to penetrate the cutting control long hole and the first The connecting ends 31 are connected so that the first connecting end 31 can be displaced along the long cutting control hole 213 through the latch 35, and further utilize the snapping action of the cover 25 and the elastic reset of the spring 34 to achieve the purpose of displacement, and then The first end 21 of the handle body 20 is assembled between the two pivot lugs 11 of the crutch body 10. The fitting recesses 211 on both sides of the first end 21 are relatively inserted between the two pivot lugs 11, and then through the shaft bolt 214 connects the axis hole 12 and the axis hole 212, so that the first end 21 can pivot with the axis bolt 214 as the axis center, and at the same time, select one side of the cutting control long hole 213 to face the first positioning groove. 111 or the second positioning groove 112, and the two ends of the latch 35 are protruding outside the cutting control slot 213, and the latch 35 is further engaged with the first and second positioning grooves 111, 112 for positioning, thereby completing the The crutch and the handle structure are composed of.

The actual use state of its structure can be seen from Figures 1, 3, and 4. The control slot 213 of the handle body 20 faces the first positioning groove 111, and is stretched and pushed by the spring 34. The latch 35 is inserted into the first positioning groove 111 along the cutting control long hole 213 against the cutting control rod 30 to form a position. At this time, the handle body 20 and the crutch body 10 form a vertical shape, and the handle body 20 is A crutch (cane) holding shape is formed parallel to the ground, so that the user can hold the handle body 20 with the tiger's mouth facing down, thereby improving the support effect of the palm and forearm, and thus helping people with mobility impairments to support walking on flat surfaces and indoors.

The handle body 20 can pivot around the shaft bolt 214 to adjust the angle of use of the handle body 20. The implementation status of the structural adjustment can be seen from Figures 5 to 8. First, The cover 25 is pulled back, and the cutting control rod 30 is stretched toward the second end 22, so that The latch 35 of the cutting lever 30 at the first connecting end 31 is displaced along the cutting long hole 213 and disengaged from the first positioning groove 111. At this time, the handle body 20 and the two pivot ears 11 form a non-positioning state. The handle body 20 and the shaft bolt 214 are used as the axis to swing upward. During the swing process of the handle body 20, the cover 25 can be relaxed first, and the rebound stress of the spring 34 can be used to move the cutting lever 30 Push back and then move along the two end edges of the pivot ears 11. When the long cutting control hole 213 moves to face the second positioning groove 112, the latch 35 will be pushed along the force of the spring 34. The long hole 213 is inserted into the second positioning groove 112 to form a positioning position. At this time, the handle body 20 extends upward and perpendicular to the ground to form a holding shape of a trekking pole, so that the user can hold the handle with the tiger's mouth facing inward. The main body 20 can alternately walk forward with the steps, so that it can assist walking when hiking, reduce the burden on the knees, and thereby reduce knee soreness and sports injuries.

Through the structure of the above-mentioned specific embodiment, the following benefits can be obtained: the handle body 20 of the present invention is rotatably installed between the two pivot ears 11 of the crutch body 10, and the cutting control rod 30 and the two pivots are used. The first and second positioning grooves 111 and 112 of the ears 11 are designed to achieve the positioning state of the handle body 20 after swinging, so that the crutch body 10 can adjust the angle of the handle body 20 according to the use state, so as to be suitable for general canes. The use of supporting and assisting walking with trekking poles greatly improves the practicality and convenience of the structure, while saving the cost of purchasing crutches with different functions, further increasing consumers' willingness to purchase.

To sum up, this creation has indeed achieved a breakthrough structural design, has improved new content, and can achieve industrial utilization and progress. Moreover, this creation has not been seen in any publications, and it is also novel. In compliance with the relevant provisions of the Patent Law, I have filed a new patent application in accordance with the law, and I sincerely request the review committee of the Jun Bureau to grant legal patent rights. I express my deepest prayers.

The above is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention. The scope of creative implementation; that is, all equivalent changes and modifications made based on the scope of the patent application for this new model should still be within the scope covered by this new patent.

10:Crutch body

11: pivot ear

111: First positioning slot

112: Second positioning slot

12:Axis hole

20: Handle body

21:First end

211: Fits the concave part

212:Shaft hole

213: Cut and control long hole

214:Shaft bolt

22:Second end

221: Pivot concave part

23: Hollow tank chamber

24: Pipe plug

241:Threading hole

25: Cover

251: Pivot convex part

252:Shaft

253:Assembly and connection department

30: Cut control lever

31: First connection end

32: Second connection terminal

33: Stop block

34:Spring

35:Latch

Claims (4)

A crutch handle structure includes: A crutch body, one end of which is provided with two symmetrical pivot lugs, each of the two pivot lugs is provided with an axis hole, and the inside of the two pivot lugs is symmetrically provided with a first positioning groove and a second positioning groove from the end edge; A handle body, the two ends of which form a first end and a second end. The first and second ends are connected with a hollow chamber. The first end is provided with an axis hole and a long control hole through both sides. The first end is assembled between two pivot ears, and is connected to the axis hole and the axis hole through a shaft bolt, so that the first end can rotate and swing with the shaft bolt as the axis, and at the same time, the cutting control One side of the long hole faces the first and second positioning grooves. The second end is equipped with a cover body that can be turned over. A connecting portion is provided inside the cover body. The hollow tank chamber is provided adjacent to the second end. an annular retaining wall; The two ends of the cutting control rod form a first connecting end and a second connecting end, and a stop block is provided between the first and second connecting ends. The cutting control rod is inserted through the second connecting end. A spring is used to assemble the second connecting end of the cutting control rod into the hollow chamber from the first end of the handle body. The second connecting end passes through the assembly portion of the annular blocking wall and the cover. Connect, and at the same time limit the spring between the annular blocking wall and the blocking block, the first connecting end faces the cutting and controlling long hole, and passes through the cutting and controlling long hole and the first connecting end through a plug The connection is installed so that the cutting control rod can be moved through the cover body to pull and pull the latch to move along the cutting control long hole. The handle structure of the crutch according to claim 1, wherein the first end of the handle body is symmetrically provided with two engaging recesses on both sides, and the engaging recesses are engaged with the two pivot ears for limiting. The handle structure of the crutch according to claim 1, wherein the second end of the handle body is provided with a pivoting recess from the end edge of the hollow chamber, and one end of the cover is provided with a pivoting convex portion. The cover system is assembled through the pivoting convex part and the pivoting concave part, and then uses a shaft to axially fix the pivoting convex part and the pivoting concave part. The handle structure of the crutch as described in claim 1, wherein the first end of the handle body is assembled with a pipe plug into the hollow chamber, and the pipe plug is further provided with a through hole communicating with the shaft hole, and a And connected through the shaft bolt.

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